CN103121130B - Electric chain saw chain slack adjuster - Google Patents
Electric chain saw chain slack adjuster Download PDFInfo
- Publication number
- CN103121130B CN103121130B CN201310041610.1A CN201310041610A CN103121130B CN 103121130 B CN103121130 B CN 103121130B CN 201310041610 A CN201310041610 A CN 201310041610A CN 103121130 B CN103121130 B CN 103121130B
- Authority
- CN
- China
- Prior art keywords
- carrier bar
- frame
- worm gear
- chain
- slack adjuster
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses Electric chain saw chain slack adjuster, comprise frame, sprocket wheel, carrier bar and chain, described sprocket wheel switching is in frame, described carrier bar is located in frame, described chain to be located on carrier bar and to be driven by sprocket wheel, described carrier bar is provided with and regulates the distance of carrier bar relative sprocket wheel that chain is unclamped or the adjusting device of tensioning, and described adjusting device comprises the stopping means driving the worm gear device frame relative to making carrier bar of carrier bar movement to move forward and backward.This Electric chain saw chain slack adjuster can the degree of tightness of adjusting chain expediently, strengthens operability, effectively avoids potential safety hazard.
Description
Technical field
The present invention relates to Electric chain saw chain slack adjuster.
Background technology
Electric chain saw is a kind of more dangerous instrument, user is will through training, occur even if so also have security incident, wherein, cause chain-loose because electric chain saw is in use subject to violent vibrations, even depart from carrier bar and the injury accident that causes happens occasionally especially.In addition, along with the development in epoch, the application of electric chain saw is also more and more wider, and the crowd of use also gets more and more, and this has higher requirement to the security of chain saw design and operability.
Summary of the invention
Problem to be solved by this invention is to provide Electric chain saw chain slack adjuster, can the degree of tightness of adjusting chain expediently, strengthens operability, effectively avoids potential safety hazard.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: Electric chain saw chain slack adjuster, comprise frame, sprocket wheel, carrier bar and chain, described sprocket wheel switching is in frame, described carrier bar is located in frame, described chain to be located on carrier bar and to be driven by sprocket wheel, described carrier bar is provided with and regulates the distance of carrier bar relative sprocket wheel that chain is unclamped or the adjusting device of tensioning, and described adjusting device comprises the stopping means driving the worm gear device frame relative to making carrier bar of carrier bar movement to move forward and backward.On electric chain saw, adjusting device is arranged so that operator can adjust the degree of tightness of chain before use, the operability of guarantee electric chain saw, extremely facility.
Improve, described worm gear device comprises worm gear, worm screw and adjusting nut, described worm gear is located in frame, described worm screw is located in frame and end and worm gear external toothing along frame fore-and-aft direction, described adjusting nut to be located on worm screw and to be fixed on carrier bar, and described worm gear drives that worm screw rotates, worm screw rotarily drives that adjusting nut is movable relative to frame, adjusting nut moves and drives that the relative frame of carrier bar is movable makes chain unclamp or tensioning.Realized the adjustment of chain degree of tightness by the relative motion of worm screw and adjusting nut, worm screw is by worm-gear driven.
Improve, also comprise the spanner pulled worm gear and rotate, the center of described worm gear is provided with axis body, and described axis body end is provided with the groove coordinated with spanner end.Spanner injects in groove pulls worm gear rotation.
Improve, described worm gear device is connected in frame by support, and described worm gear and worm screw are all transferred on support.By support, worm and gear is connected in frame, and worm and gear can realize rotating.
Improve, described carrier bar is provided with the bar shaped groove arranged along frame fore-and-aft direction, described stopping means comprises the positioning screw and bar shaped limited block that are located at setscrew nut in bar shaped groove, described positioning screw and bar shaped limited block are all fixed in frame, described carrier bar is connected in frame by positioning screw and setscrew nut, the carrier bar locking when setscrew nut is tightened, when setscrew nut loosens, carrier bar can frame move forward and backward relatively.Under electric chain saw duty, setscrew nut locking makes the relative frame of carrier bar fix, when electric chain saw wants the degree of tightness of adjusting chain, loosening setscrew nut makes carrier bar relatively frame to move forward and backward, the degree of tightness now regulating the displacement of carrier bar on frame fore-and-aft direction to realize chain regulates, screwed in place nut after adjustment.
Improve, also comprise cover adjusting device sealed.Avoid chip in electric chain saw practical process to enter gear regulating device to affect it and normally work.
Improve, position corresponding with worm gear on described cover is provided with the first through hole, and described axis body makes operator the end of spanner can be inserted in groove through the first through hole and pulls worm gear rotation.Operator just can carry out degree of tightness adjustment to chain by pulling worm gear rotation in the end of spanner insertion groove.
Improve, position corresponding with positioning screw on described cover is provided with groove, described cover is arranged on the diapire of rearward recess in frame and is against on carrier bar, described groove bottom wall is provided with the second through hole, described positioning screw is through the second through hole, and described setscrew nut is located at positioning screw through in the part of the second through hole.Setscrew nut is located at cover outer, cover need not be dismantled and just can operate setscrew nut, and the person that arranges convenient operation of groove operates by limited space setscrew nut.
Beneficial effect:
Adopt after technique scheme, this invention Electric chain saw chain slack adjuster can the degree of tightness of adjusting chain expediently, strengthens operability, effectively avoids potential safety hazard.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is explosive view of the present invention;
Fig. 2 is the structural representation of a kind of Electric chain saw chain slack adjuster of the present invention;
Fig. 3 is a kind of structural representation of electric chain saw.
Detailed description of the invention
As shown in Figure 1 to Figure 3, Electric chain saw chain slack adjuster, comprise frame 1, sprocket wheel 2, carrier bar 3 and chain 4, described sprocket wheel switching is in frame, described carrier bar is located in frame, described chain to be located on carrier bar and to be driven by sprocket wheel, and described carrier bar is provided with and regulates the distance of carrier bar relative sprocket wheel that chain is unclamped or the adjusting device of tensioning, and described adjusting device comprises the stopping means driving the worm gear device frame relative to making carrier bar of carrier bar movement to move forward and backward.
Described worm gear device comprises worm gear 51, worm screw 52 and adjusting nut 53, described worm gear is located in frame, described worm screw is located in frame and end and worm gear external toothing along frame fore-and-aft direction, described adjusting nut to be located on worm screw and to be fixed on carrier bar, described worm gear drives worm screw to rotate, worm screw rotarily drives the relative frame of adjusting nut and moves forward and backward, adjusting nut moves and drives that carrier bar relative frame is movable makes chain unclamp or tensioning, also comprise the spanner 6 pulled worm gear and rotate, the center of described worm gear is provided with axis body 511, described axis body end is provided with the groove 512 coordinated with spanner end, described worm gear device is connected in frame by support 11, described worm gear and worm screw are all transferred on support.
Described carrier bar is provided with the bar shaped groove 31 arranged along frame fore-and-aft direction, described stopping means comprises the positioning screw 71 and bar shaped limited block 72 that are located at setscrew nut 73 in bar shaped groove, described positioning screw and bar shaped limited block are all fixed in frame, described carrier bar is connected in frame by positioning screw and setscrew nut, the carrier bar locking when setscrew nut is locked, when setscrew nut loosens, carrier bar can frame move forward and backward relatively.
Also comprise the cover 12 adjusting device sealed, position corresponding with worm gear on described cover is provided with the first through hole 13, described axis body makes operator the end of spanner can be inserted in groove through the first through hole and pulls worm gear rotation, position corresponding with positioning screw on described cover is provided with groove 14, described cover is arranged on the diapire of rearward recess in frame and is against on carrier bar, described groove bottom wall is provided with the second through hole 15, described positioning screw is through the second through hole, and described setscrew nut is located at positioning screw through in the part of the second through hole.
In actual mechanical process, first setscrew nut is unscrewed, carrier bar can frame be moved forward and backward relatively, then the end of spanner is inserted in the groove of worm gear axis body, pulling spanner makes worm gear rotate, and worm gear rotarily drives worm screw and rotates, and worm screw rotarily drives the relative frame of adjusting nut and moves forward and backward, adjusting nut moves and drives the relative frame of carrier bar to move forward and backward, thus the degree of tightness achieving chain regulates.
Except above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can make various change and distortion according to the present invention, only otherwise depart from spirit of the present invention, all should belong to the scope that claims of the present invention define.
Claims (5)
1. Electric chain saw chain slack adjuster, comprise frame (1), sprocket wheel (2), carrier bar (3) and chain (4), described sprocket wheel switching is in frame, described carrier bar is located in frame, described chain to be located on carrier bar and to be driven by sprocket wheel, it is characterized in that: described carrier bar is provided with and regulates the distance of carrier bar relative sprocket wheel that chain is unclamped or the adjusting device of tensioning, described adjusting device comprises the stopping means driving the worm gear device frame relative to making carrier bar of carrier bar movement to move forward and backward, described worm gear device comprises worm gear (51), worm screw (52) and adjusting nut (53), described worm gear is located in frame, described worm screw is located in frame and end and worm gear external toothing along frame fore-and-aft direction, described adjusting nut to be located on worm screw and to be fixed on carrier bar, described worm gear rotarily drives worm screw and rotates, worm screw rotarily drives the relative frame of adjusting nut and moves forward and backward, adjusting nut moves and drives that carrier bar relative frame is movable makes chain unclamp or tensioning, described carrier bar is provided with the bar shaped groove (31) arranged along frame fore-and-aft direction, described stopping means comprises the positioning screw (71) and bar shaped limited block (72) that are located at setscrew nut (73) in bar shaped groove, described positioning screw and bar shaped limited block are all fixed in frame, described carrier bar is connected in frame by positioning screw and setscrew nut, the carrier bar locking when setscrew nut is locked, when setscrew nut loosens, carrier bar can frame move forward and backward relatively, the circumferential profile of described setscrew nut is hexagon, Electric chain saw chain slack adjuster also comprises the spanner (6) pulled worm gear and rotate, the center of described worm gear is provided with axis body (511), described axis body end is provided with the groove (512) coordinated with spanner end, described spanner is provided with hexagonal through hole.
2. Electric chain saw chain slack adjuster according to claim 1, is characterized in that: described worm gear device is connected in frame by support (11), and described worm gear and worm screw are all transferred on support.
3. Electric chain saw chain slack adjuster according to claim 2, is characterized in that: also comprise the cover (12) adjusting device sealed.
4. Electric chain saw chain slack adjuster according to claim 3, it is characterized in that: position corresponding with worm gear on described cover is provided with the first through hole (13), described axis body makes operator the end of spanner can be inserted in groove through the first through hole and pulls worm gear rotation.
5. Electric chain saw chain slack adjuster according to claim 4, it is characterized in that: position corresponding with positioning screw on described cover is provided with groove (14), described cover is arranged on the diapire of rearward recess in frame and is against on carrier bar, described groove bottom wall is provided with the second through hole (15), described positioning screw is through the second through hole, and described setscrew nut is located at positioning screw through in the part of the second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310041610.1A CN103121130B (en) | 2013-01-30 | 2013-01-30 | Electric chain saw chain slack adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310041610.1A CN103121130B (en) | 2013-01-30 | 2013-01-30 | Electric chain saw chain slack adjuster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103121130A CN103121130A (en) | 2013-05-29 |
| CN103121130B true CN103121130B (en) | 2016-01-20 |
Family
ID=48452376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310041610.1A Active CN103121130B (en) | 2013-01-30 | 2013-01-30 | Electric chain saw chain slack adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103121130B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220134593A1 (en) * | 2020-11-05 | 2022-05-05 | Black & Decker, Inc. | Chain Saw Tensioner and Chain Catcher |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4142918A1 (en) * | 1991-12-24 | 1992-12-17 | Stihl Maschf Andreas | Lubricating oil pump for chain saw - has bearing bush which supports piston throughout its stroke |
| US5177871A (en) * | 1991-10-08 | 1993-01-12 | Textron Inc. | Power tool belt tension system |
| US6296586B1 (en) * | 1998-10-09 | 2001-10-02 | Dolmar Gmbh | Tensioning device for a chain or a belt drive for a motor of a hand machine tool |
| CN201586790U (en) * | 2009-12-16 | 2010-09-22 | 浙江三锋工具制造有限公司 | Saw chain tension adjusting device |
| CN102284745A (en) * | 2011-08-15 | 2011-12-21 | 浙江格瑞斯实业有限公司 | Chain saw |
| CN203171067U (en) * | 2013-01-30 | 2013-09-04 | 浙江亚特电器有限公司 | Electric chain saw chain tightness adjusting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE0300611D0 (en) * | 2003-03-06 | 2003-03-06 | Electrolux Ab | Chain saw tensioning device |
| US20070062361A1 (en) * | 2005-09-16 | 2007-03-22 | Wei Xiong | Chainsaw tensioner |
-
2013
- 2013-01-30 CN CN201310041610.1A patent/CN103121130B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5177871A (en) * | 1991-10-08 | 1993-01-12 | Textron Inc. | Power tool belt tension system |
| DE4142918A1 (en) * | 1991-12-24 | 1992-12-17 | Stihl Maschf Andreas | Lubricating oil pump for chain saw - has bearing bush which supports piston throughout its stroke |
| US6296586B1 (en) * | 1998-10-09 | 2001-10-02 | Dolmar Gmbh | Tensioning device for a chain or a belt drive for a motor of a hand machine tool |
| CN201586790U (en) * | 2009-12-16 | 2010-09-22 | 浙江三锋工具制造有限公司 | Saw chain tension adjusting device |
| CN102284745A (en) * | 2011-08-15 | 2011-12-21 | 浙江格瑞斯实业有限公司 | Chain saw |
| CN203171067U (en) * | 2013-01-30 | 2013-09-04 | 浙江亚特电器有限公司 | Electric chain saw chain tightness adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103121130A (en) | 2013-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6875002B2 (en) | Jig parts for workpiece clamps | |
| KR101538895B1 (en) | Steering apparatus of gear type and steering method by the same | |
| KR200469673Y1 (en) | A deceleration gear that backlash control is easy | |
| CN104139305A (en) | Drilling and tapping machine | |
| KR20100022143A (en) | Weding apparatus using turn system | |
| CN103121130B (en) | Electric chain saw chain slack adjuster | |
| CN203171067U (en) | Electric chain saw chain tightness adjusting device | |
| CN103056184B (en) | Extrusion container assembly replacement device | |
| CN204449720U (en) | A kind of membrane wall welding machine adjusting device for welding gun | |
| CN103121131B (en) | A kind of Electric chain saw chain slack adjuster | |
| CN210490637U (en) | Motor adjusting device of oil pumping unit | |
| CN204264307U (en) | A kind of crawler belt setting device efficiently | |
| CN203171068U (en) | Chain tightness adjustment device of electric chain saw | |
| CN215212983U (en) | Transmission mechanism, overlapping door and building | |
| CN203996398U (en) | Telescoping steering column assembly | |
| CN110757426B (en) | Engine cylinder cover turnover device | |
| CN210731041U (en) | Positioning fixture for machining fluted disc | |
| CN105134894A (en) | Tool-free adjusting structure for chain saw chain tensity | |
| CN111230198B (en) | Gear milling device with adjustable angle | |
| CA2362519A1 (en) | Crowd rope take-up system for a shovel | |
| CN202944385U (en) | Steering pillar clamping device | |
| CN210525100U (en) | Numerical control mechanical arm lifting and slewing device | |
| CN204099541U (en) | The fixing device of gear | |
| CN104942624A (en) | Manual pretightening device | |
| CN214499731U (en) | Driving shaft nut serging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: Jiaxing City, Zhejiang province 314100 Nanhu District Yu Xin Zhen Industrial Zone North Water Road No. 1 Patentee before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |