Be used to connect the bindiny mechanism of pasting type insulin pump and base plate
Technical field
The present invention relates to a kind of bindiny mechanism, particularly a kind of bindiny mechanism that is used to connect pasting type insulin pump and base plate.
Background technology
Diabetes are second killers in the modern disease; Harm to human body is only second to cancer; Survey result prediction according to 2007 to 2008 diabetes branch of Chinese Medical Association tissues: state-owned 9,240 ten thousand diabeticss and 1.48 hundred million prediabetes patients in 2010 the, (source: internationally famous medical journals " New England Journal of Medicine " " diabetes prevalence in the Chinese population ") of occupying first place in the world.And along with the raising of living standards of the people, diabetes prevalence is just presenting ascendant trend.
Injection of insulin has become one of core means of the modern comprehensive therapeutic plan of diabetes; And insulin pump can continue accurate uelralante according to friction speed through the simulation Normal Pancreas in human body, and insulin pump is simulated human pancreas's working mechanism and guaranteed that the patient has normal blood sugar level through preestablishing insulin injection amount.Existing insulin pump volume homemade or import is bigger, exposes conduit, and need be worn on belt or the related accessories, therefore uses inconvenience, and causes conduit to twine serial safety problems such as obstruction easily.
For overcoming the insulin pump housing is worn on the shortcoming that causes the conduit winding to stop up on belt or the related accessories easily; The WO2009125398 patent application has disclosed a kind of pasting type insulin pump systems; In this insulin pump systems; The pump housing and base plate fasten, and base plate directly sticks on human body skin through cohesive material, exposes conduit thereby cancelled.But; In the WO2009125398 patent, the manner of insulin pump and base plate is: the two ends of base plate are provided with the elasticity button respectively, and the bayonet socket corresponding with the elasticity button is set on the insulin pump; The elasticity mouth and the bayonet socket on the insulin pump of base plate are fastened, thereby insulin pump is installed on the base plate.The shortcoming that the combination of this insulin pump and base plate exists is: the fastening of elasticity button and bayonet socket through material the micro-strain realization; It is unreliable and insecure to fasten; Be easy to because of rock, factor such as external force collision, material deformation causes the elasticity button in bayonet socket, to come off; And then cause insulin pump to break away from base plate, threaten user's life and health.
Summary of the invention
Be the unstable shortcoming of the combination that overcomes existing insulin pump and base plate, the invention provides and a kind ofly can guarantee insulin pump and base plate strong bonded that easy to use being used to connects the bindiny mechanism of pasting type insulin pump and base plate.
Be used to connect the bindiny mechanism of pasting type insulin pump and base plate, comprise first buckle that is positioned at base plate one end and first draw-in groove that is positioned at insulin pump one end, first buckle and first draw-in groove are adaptive;
It is characterized in that: base plate is provided with second buckle, and second snap projection is in the inner surface of fitting with insulin pump, and the top of second buckle is hook-shaped;
That insulin pump is provided with is corresponding with second buckle, allow second buckle to insert the buckle through hole in it, is provided with slider in the buckle through hole slidably, has the hook-shaped portion of colluding buckle with second buckle on the slider;
Slider in first buckle and first draw-in groove and second buckle and the buckle through hole locks base plate and insulin pump.
Further, the crook of second buckle and slider hook-shaped is relative, and hook-shaped of the crook of second buckle and slider is equipped with the slope that cooperatively interacts;
Be provided with spring between slider and the insulin pump, spring in the raw time the, slider and second buckle fasten; When spring is compressed, slider discharges second buckle.
Further, slider comprises cover plate, slide block and is connected the wing plate of cover plate and slide block, is provided with the container cavity that holds spring in the slide block, and spring one end holds out against the sidewall that slide block, the other end push against the buckle through hole, and spring is to the direction pushing tow slide block near second buckle.
Further, the connection wing plate of slider is provided with the first guiding raised line that the guiding slider slides, and insulin pump is provided with and the first adaptive direction recess of the first guiding raised line, the first guiding raised line and first direction recess cooperate the guiding slider near or away from second buckle.
Further, the other end of slider has the extension wing plate, extends wing plate and is connected the wing plate symmetry, extends wing plate and is provided with the second guiding raised line, and insulin pump is provided with second direction recess, and the second guiding raised line and second direction recess are adaptive.
Further; The buckle through hole comprises buckle containing cavity that holds second buckle and the slider containing cavity that holds slider; The buckle containing cavity is communicated with the slider containing cavity and the buckle containing cavity is positioned at slider containing cavity one side; The lower surface with the base plate applying of insulin pump is provided with the snap open that allows second buckle to get into the buckle containing cavity, and the end face of insulin pump has the slider opening that allows slider entering slider containing cavity, this slider opening of cover plate covering of slider.
Further, be fixed with capping on the insulin pump, projection is arranged in the capping, the upper surface of insulin pump is provided with the capping opening that allows projection to get into the slider containing cavity;
First direction recess and second direction recess are arranged on the projection.
Further, the upper surface of insulin pump is provided with the capping groove that holds capping, and capping and insulin pump are adhesively fixed.
Technical conceive of the present invention is: the invention provides a kind of simple and reliable pasting type insulin pump housing and combination and the separate design and the method for base plate; To be applied in the slider of spring on the insulin pump systems first; The user can be connected the pump housing smoothly easily with base plate; The structure that automatically locks of slider and base plate is that the pump housing is difficult to break away from base plate, has increased the insulin pump systems reliability of applying.This method also can directly stick on the pump housing on the human body through base plate simultaneously, has reduced parts of vessels, thereby has solved the insulin injection blockage problem that the common reasons such as conduit winding of other insulin pump cause.It also makes wears more conveniently and hidden, brings active freedom to the user.
The present invention has can guarantee insulin pump and base plate strong bonded, advantage easy to use.
Description of drawings
Fig. 1 is the sketch map of base plate.
Fig. 2 is the sketch map of first draw-in groove on the insulin pump.
Fig. 3 is the sketch map that slider is installed on the insulin pump.
Fig. 4 is the sketch map of insulin pump will combine with base plate the time.
Fig. 5 is the cutaway view of insulin pump will combine with base plate the time.
Fig. 6 is an insulin pump and sketch map after base plate combines.
Fig. 7 is an insulin pump and cutaway view after base plate combines.
Fig. 8 is the crook of second buckle and hook-shaped sketch map that cooperates through the slope of slider.
Fig. 9 is the sketch map of slider.
Figure 10 is the cutaway view of slider.
Figure 11 is the decomposing schematic representation of insulin pump, slider and capping.
The specific embodiment
In conjunction with accompanying drawing, further specify the present invention:
To shown in Figure 3, be used to connect the bindiny mechanism of pasting type insulin pump and base plate like Fig. 1, comprise first buckle 1-1 that is positioned at base plate 1 one ends and the first draw-in groove 2-1 that is positioned at insulin pump 2 one ends, the first buckle 1-1 and the first draw-in groove 2-1 are adaptive;
Base plate 1 is provided with the second buckle 1-2, and the second buckle 1-2 is projected on the inner surface of fitting with insulin pump, and the top of the second buckle 1-2 is hook-shaped.
That insulin pump 2 is provided with is corresponding with the second buckle 1-2, allow the second buckle 1-2 to insert the buckle through hole in it, is provided with slider 2-2 in the buckle through hole slidably, has the hook-shaped portion of colluding buckle with the second buckle 1-2 on the slider 2-2;
Slider 2-2 in the first buckle 1-1 and the first draw-in groove 2-1 and the second buckle 1-2 and the buckle through hole locks base plate 1 and insulin pump 2.
As shown in Figure 8, the crook of the second buckle 1-2 and slider 2-2 hook-shaped is relative, and hook-shaped of the crook of the second buckle 1-2 and slider 2-2 is equipped with slope A1, the A2 that cooperatively interacts.
Fig. 4 and Fig. 5 have provided the sketch map when insulin pump combines with base plate.At first the first buckle 1-1 with base plate 1 inserts in the first draw-in groove 2-1 of insulin pump 2, makes insulin pump 2 be certain angle (about 30 °) rotation with the plane that combines of base plate 1 again, makes the second buckle 1-2 of protrusion can put into the buckle through hole of insulin pump.As shown in Figure 7 then; Insulin pump 2 integral body are pressed to base plate 1, and hook-shaped of slider 2-2 and the faying face of the second buckle 1-2 are the slopes, and the stressed back of slider 2-2 is along with insulin pump 2 is pressed to base plate 1 to certain distance; The inclined-plane of the slider 2-2 and the second buckle 1-2 disengages; Slider 2-2 can be under the active force of spring, and the place ahead is laterally mobile on the contrary with it, thereby can realize that the pump housing passes through slider 2-2 and blocks the jail fully with the second buckle 1-2.
The stressing conditions on inclined-plane when the slope A1 that Fig. 8 has provided slope A2 and second buckle of slider cooperates.When the user with insulin pump 2 when base plate 1 is depressed, insulin pump 2 slider 2-2 receive a downforce P.The slope A2 of slider 2-2 with can receive a counteracting force Fr after the slope A1 of the second buckle 1-2 contacts.Power Fr can be decomposed into power R1, R2 along X, Y direction, and wherein the R1 compressible spring 3, makes slider 2-2 move along the direction of R1; P is greater than R2, can make the slope A2 of slider 2-2 move along the direction of pressure P.When slider 2-2 after base plate 1 direction moves certain distance, the slope of the two disengages, power Fr disappears, and makes that original power R1 with compression spring 3 also was 0, the thrust of spring 3 can push back slider 2-2, thereby can realize the jail of card fully with the second buckle 1-2.The slider 2-2 and the second buckle 1-2 fasten as shown in Figure 7.
Be provided with spring 3 between slider 2-2 and the insulin pump 2, spring 3 in the raw time the, slider 2-2 and the second buckle 1-2 fasten; When spring 3 is compressed, slider 2-2 discharges the second buckle 1-2.
Fig. 9 and Figure 10 have provided the structure of slider; What slider 2-2 comprised cover plate 2A, slide block 2B and was connected cover plate 2A and slide block 2B is connected wing plate 2C; Be provided with the container cavity 2D that holds spring 3 among the slide block 2B; Spring 3 one ends hold out against the sidewall that slide block 2B, the other end push against the buckle through hole, and spring 3 is to the direction pushing tow slide block 2B near the second buckle 1-2.
The connection wing plate 2C of slider 2-2 is provided with the first guiding raised line that guiding slider 2-2 slides; Insulin pump 2 is provided with and the first guiding first adaptive direction recess of raised line, the first guiding raised line and first direction recess cooperate guiding slider 2-2 near or away from the second buckle 1-2.
The other end of slider 2-2 has the wing plate of extension 2E, extends wing plate 2E and is connected wing plate 2C symmetry, extends wing plate 2E and is provided with the second guiding raised line, and insulin pump 2 is provided with second direction recess, and the second guiding raised line and second direction recess are adaptive.Shown in figure 10, cover plate 2A, slide block 2B, connection wing plate 2C and extension wing plate 2E are one-body molded.
As shown in Figure 7; The buckle through hole comprises buckle containing cavity B1 that holds the second buckle 1-2 and the slider containing cavity B2 that holds slider 2-2; Buckle containing cavity B1 is communicated with slider containing cavity B2 and buckle containing cavity B1 is positioned at slider containing cavity B2 one side; The lower surface with base plate 1 applying of insulin pump 2 is provided with the snap open that allows the second buckle 1-2 to get into buckle containing cavity B1; The end face of insulin pump 2 has the slider opening that allows slider 2-2 entering slider containing cavity B2, and the cover plate 2A of slider 2-2 covers this slider opening.
Figure 11 has provided the decomposing schematic representation of capping, insulin pump and slider.Be fixed with capping 4 on the insulin pump 2, projection 4-1 is arranged in the capping 4, the upper surface of insulin pump 2 is provided with the capping opening that allows projection 4-1 to get into slider containing cavity B2;
First direction recess and second direction recess are arranged on the projection 4-1.
The upper surface of insulin pump 2 is provided with the capping groove 2-3 that holds capping 4, and capping 4 is adhesively fixed with insulin pump 2.
Technical conceive of the present invention is: the invention provides a kind of simple and reliable pasting type insulin pump housing and combination and the separate design and the method for base plate; To be applied in the slider of spring on the insulin pump systems first; The user can be connected the pump housing smoothly easily with base plate; The structure that automatically locks of slider and base plate is that the pump housing is difficult to break away from base plate, has increased the insulin pump systems reliability of applying.This method also can directly stick on the pump housing on the human body through base plate simultaneously, has reduced parts of vessels, thereby has solved the insulin injection blockage problem that the common reasons such as conduit winding of other insulin pump cause.It also makes wears more conveniently and hidden, brings active freedom to the user.
The present invention has can guarantee insulin pump and base plate strong bonded, advantage easy to use.
The described content of this description embodiment only is enumerating the way of realization of inventive concept; Protection scope of the present invention should not be regarded as and only limit to the concrete form that embodiment states, protection scope of the present invention also reach in those skilled in the art conceive according to the present invention the equivalent technologies means that can expect.