CN206487832U - A kind of special low noise gear-box of insulin pump - Google Patents
A kind of special low noise gear-box of insulin pump Download PDFInfo
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- CN206487832U CN206487832U CN201621416988.0U CN201621416988U CN206487832U CN 206487832 U CN206487832 U CN 206487832U CN 201621416988 U CN201621416988 U CN 201621416988U CN 206487832 U CN206487832 U CN 206487832U
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- gear
- power transmission
- box
- input shaft
- insulin pump
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Abstract
The utility model is related to a kind of special low noise gear-box of insulin pump, it includes housing, input shaft is provided with described housing, gear A is provided with described input shaft, described gear A is engaged with gear B, described gear B is arranged on power transmission shaft, gear C is provided with the right side of described power transmission shaft gear B, described gear C is engaged with gear D, described gear D is arranged on output shaft, described input shaft, the two ends of power transmission shaft and output shaft are arranged on the support base in housing, hull outside is stretched out in described input shaft and the outer end of output shaft, described gear A and gear B, sealing plate is respectively arranged with the outside of gear C and gear D, described gear A and the root of gear C teeth groove are provided with recess, projection is provided with described gear B and the flank of tooth of the gear D gear teeth；Total, the utility model has the advantages that simple in construction, driving error is small, noise is low.
Description
Technical field
The utility model belongs to gear transmission technology field, and in particular to a kind of special low noise gear-box of insulin pump.
Background technology
With the raising and the deterioration of environment of living standard, diabetes are increasingly becoming the weight for seriously endangering human health
Want disease, current medical procedure can not effect a radical cure diabetes, can only using insulin pump to patient's internal injection insulin, with up to
To the purpose for alleviating diabetic disorders, the drive mechanism of existing insulin pump uses gear drive, passes through gear mostly
It is driven to control the infusion of injecting mechanism to feed, but during meshed transmission gear, the error meeting of pinion rotation engagement
Cause gear-box to produce larger noise, patient in-convenience in use；Therefore it provides a kind of simple in construction, driving error is small, noise
The special low noise gear-box of low insulin pump is very important.
The content of the invention
The purpose of this utility model is, in order to overcome the deficiencies in the prior art, and to provide a kind of simple in construction, driving error
The special low noise gear-box of the low insulin pump of small, noise.
What the purpose of this utility model was realized in：A kind of special low noise gear-box of insulin pump, it includes housing,
It is provided with described housing on input shaft, described input shaft and is provided with gear A, described gear A is engaged with gear B, institute
The gear B stated is arranged on power transmission shaft, and gear C, described gear C engagement are provided with the right side of described power transmission shaft gear B
There is gear D, described gear D is arranged on output shaft, the two ends of described input shaft, power transmission shaft and output shaft are arranged at shell
On internal support base, hull outside, described gear A and gear B, tooth are stretched out in described input shaft and the outer end of output shaft
Sealing plate is respectively arranged with the outside of wheel C and gear D, described sealing plate is rotatably arranged on input shaft and power transmission shaft, biography respectively
On moving axis and output shaft, described gear A and the root of gear C teeth groove are provided with recess, described gear B and the gear D gear teeth
The flank of tooth on be provided with projection.
Gear teeth crown shape of the recess respectively with gear B and gear D in described gear A and gear C matches.
Described projection is uniformly distributed on the flank of tooth of the gear teeth.
It is fixedly connected between described housing and support base.
Described gear A, gear B, gear C and gear D uses herringbone bear.
The beneficial effects of the utility model：When in use, outer end and the driving of the input shaft in housing are filled the utility model
Put connected, the outer end of output shaft is connected with the screw rod on injection of insulin piston, and spiral shell is driven by gear drive by drive device
Bar rotates, and then promotes the movement of injection of insulin piston, the injection of insulin is realized, by the root of driving gear teeth groove
Recess is set and sets raised on the flank of tooth of driven gear, the error during gear drive can be reduced, and then reduce tooth
The noise produced in wheel engagement process, by setting sealing plate in the outside of two gears being meshed so that gear engagement is passed
The noise produced during dynamic can decay in the space, the noise further produced in the reduction gear-box course of work；Always
, the utility model has the advantages that simple in construction, driving error is small, noise is low.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the special low noise gear-box of insulin pump of the utility model.
Fig. 2 is a kind of partial structurtes signal of the special low noise inner gear of the gear box engagement of insulin pump of the utility model
Figure.
In figure：1st, housing 2, input shaft 3, gear A 4, gear B 5, power transmission shaft 6, gear C 7, gear D 8, output
Axle 9, support base 10, sealing plate 11, recess 12, projection.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1
As depicted in figs. 1 and 2, the special low noise gear-box of a kind of insulin pump, it is included in housing 1, described housing 1
It is provided with input shaft 2, described input shaft 2 and is provided with gear A 3, described gear A 3 is engaged with gear B 4, described gear
B4 is arranged on power transmission shaft 5, is provided with gear C 6 on the right side of the described gear B4 of power transmission shaft 5, described gear C 6 is engaged with
Gear D 7, described gear D 7 is arranged on output shaft 8, and the two ends of described input shaft 2, power transmission shaft 5 and output shaft 8 are respectively provided with
On support base 9 in housing 1, described input shaft 2 and the outer end of output shaft 8 are stretched out outside housing 1, described gear A 3
Sealing plate 10 is respectively arranged with the outside of gear B 4, gear C 6 and gear D 7, described sealing plate 10 is rotatably arranged on respectively
On input shaft 2 and power transmission shaft 5, power transmission shaft 5 and output shaft 8, described gear A 3 and the root of the teeth groove of gear C 6 are provided with recess
11, projection 12 is provided with described gear B 4 and the flank of tooth of the gear teeth of gear D 7.
When in use, the outer end of the input shaft 2 in housing 1 is connected the utility model with drive device, the outer end of output shaft 8
It is connected with the screw rod on injection of insulin piston, drives screw rod to rotate by gear drive by drive device, and then promote pancreas islet
The movement of plain injection ram, realizes the injection of insulin, by setting recess 11 and driven in the root of driving gear teeth groove
Projection 12 is set on the flank of tooth of gear, the error during gear drive can be reduced, and then reduce production in Meshing Process of Spur Gear
Raw noise, by setting sealing plate 10 in the outside of two gears being meshed so that produced during meshed transmission gear
Noise can decay in the space, the further noise that produces in the reduction gear-box course of work；Total, the utility model
Have the advantages that simple in construction, driving error is small, noise is low.
Embodiment 2
As depicted in figs. 1 and 2, the special low noise gear-box of a kind of insulin pump, it is included in housing 1, described housing 1
It is provided with input shaft 2, described input shaft 2 and is provided with gear A 3, described gear A 3 is engaged with gear B 4, described gear
B4 is arranged on power transmission shaft 5, is provided with gear C 6 on the right side of the described gear B4 of power transmission shaft 5, described gear C 6 is engaged with
Gear D 7, described gear D 7 is arranged on output shaft 8, and the two ends of described input shaft 2, power transmission shaft 5 and output shaft 8 are respectively provided with
On support base 9 in housing 1, described input shaft 2 and the outer end of output shaft 8 are stretched out outside housing 1, described gear A 3
Sealing plate 10 is respectively arranged with the outside of gear B 4, gear C 6 and gear D 7, described sealing plate 10 is rotatably arranged on respectively
On input shaft 2 and power transmission shaft 5, power transmission shaft 5 and output shaft 8, described gear A 3 and the root of the teeth groove of gear C 6 are provided with recess
11, the recess in projection 12, described gear A 3 and gear C 6 is provided with described gear B 4 and the flank of tooth of the gear teeth of gear D 7
11 gear teeth crown shape respectively with gear B 4 and gear D 7 is matched, and described projection 12 is uniformly divided on the flank of tooth of the gear teeth
Cloth, is fixedly connected between described housing 1 and support base 9, and described gear A 3, gear B 4, gear C 6 and gear D 7 is used
Herringbone bear.
When in use, the outer end of the input shaft 2 in housing 1 is connected the utility model with drive device, the outer end of output shaft 8
It is connected with the screw rod on injection of insulin piston, drives screw rod to rotate by gear drive by drive device, and then promote pancreas islet
The movement of plain injection ram, realizes the injection of insulin, by setting recess 11 and driven in the root of driving gear teeth groove
Projection 12 is set on the flank of tooth of gear, the error during gear drive can be reduced, and then reduce production in Meshing Process of Spur Gear
Raw noise, by setting sealing plate 10 in the outside of two gears being meshed so that produced during meshed transmission gear
Noise can decay in the space, the further noise that produces in the reduction gear-box course of work；Using double helical spurgear
It is driven, it operates steadily, noise is small；Total, it is excellent that the utility model has that simple in construction, driving error is small, noise is low
Point.
Claims (5)
1. a kind of special low noise gear-box of insulin pump, it includes housing, it is characterised in that：It is provided with described housing defeated
Enter and gear A is provided with axle, described input shaft, described gear A is engaged with gear B, and described gear B is arranged on power transmission shaft
On, gear C is provided with the right side of described power transmission shaft gear B, described gear C is engaged with gear D, and described gear D is set
Put on output shaft, the two ends of described input shaft, power transmission shaft and output shaft are arranged on the support base in housing, described
The outside difference of hull outside, described gear A and gear B, gear C and gear D is stretched out in the outer end of input shaft and output shaft
Sealing plate is provided with, described sealing plate is rotatably arranged on input shaft and power transmission shaft, power transmission shaft and output shaft respectively, described
The root of gear A and gear C teeth groove is provided with recess, described gear B and the flank of tooth of the gear D gear teeth and is provided with projection.
2. the special low noise gear-box of a kind of insulin pump according to claim 1, it is characterised in that：Described gear A
Gear teeth crown shape with the recess on gear C respectively with gear B and gear D matches.
3. the special low noise gear-box of a kind of insulin pump according to claim 1, it is characterised in that：Described projection exists
It is uniformly distributed on the flank of tooth of the gear teeth.
4. the special low noise gear-box of a kind of insulin pump according to claim 1, it is characterised in that：Described housing with
It is fixedly connected between support base.
5. the special low noise gear-box of a kind of insulin pump according to claim 1, it is characterised in that：Described gear A,
Gear B, gear C and gear D use herringbone bear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621416988.0U CN206487832U (en) | 2016-12-22 | 2016-12-22 | A kind of special low noise gear-box of insulin pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621416988.0U CN206487832U (en) | 2016-12-22 | 2016-12-22 | A kind of special low noise gear-box of insulin pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206487832U true CN206487832U (en) | 2017-09-12 |
Family
ID=59770522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621416988.0U Active CN206487832U (en) | 2016-12-22 | 2016-12-22 | A kind of special low noise gear-box of insulin pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206487832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425959A (en) * | 2018-04-20 | 2018-08-21 | 盐城市金洲机械制造有限公司 | A kind of detachable automobile-used gear-box of gear |
-
2016
- 2016-12-22 CN CN201621416988.0U patent/CN206487832U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425959A (en) * | 2018-04-20 | 2018-08-21 | 盐城市金洲机械制造有限公司 | A kind of detachable automobile-used gear-box of gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Han Inventor after: Wang Xiaohu Inventor after: Wang Liang Inventor after: Wang Chen Inventor after: Zhang Qian Inventor before: Wang Liang Inventor before: Wang Chen Inventor before: Zhang Qian |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 450000 2, 215-218, 5 19, thirteenth Avenue, Zhengzhou economic and Technological Development Zone, Henan. Patentee after: Zhengzhou Wan Hui Medical Equipment Co., Ltd. Address before: 450000 Zhengzhou, Zhengzhou, Zhengzhou City, Hui Autonomous Region, Zhengzhou economic and Technological Development Zone Eighth Street and south two road intersection, 4 of the incubation base, 440 Patentee before: Zhengzhou Wan Hui Medical Equipment Co., Ltd. |