CN204113963U - A kind of transmission device - Google Patents
A kind of transmission device Download PDFInfo
- Publication number
- CN204113963U CN204113963U CN201420450769.9U CN201420450769U CN204113963U CN 204113963 U CN204113963 U CN 204113963U CN 201420450769 U CN201420450769 U CN 201420450769U CN 204113963 U CN204113963 U CN 204113963U
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- China
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- piston rod
- joint
- overcoat
- hole
- inner sleeve
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Abstract
This application discloses a kind of transmission device, described transmission device comprises overcoat and inner sleeve, be placed in described overcoat in described, the inner circumference of described overcoat is evenly provided with piston hole, in described piston hole, is provided with piston rod, one end of described piston rod is connected with spring, described spring is placed in described piston hole, the excircle of described inner sleeve is evenly provided with unidirectional tooth, and described unidirectional tooth comprises tooth top and teeth groove, and described piston rod is placed in described teeth groove away from one end of described spring.This transmission structures is simple, effectively can realize single-direction transmission, avoids the impact of reversing on water pump, improves the working life of water pump, increases the Security that water pump uses.
Description
Technical field
The application relates to transmission device field, particularly a kind of transmission device.
Background technique
Transmission device between existing market charging pump and motor unit mostly is Bidirectional driving, and the transmission direction of motor has two kinds of different rotation modes according to wiring direction, but the sense of rotation of water pump is certain, does not generally allow the generation of reversal phenomenon.The reversion of water pump can impact the sealing of water pump, inner sleeve nut, and locking nut causes getting loose to a certain degree, not only makes shorten the working life of water pump, and there is potential safety hazard.
Model utility content
For solving the problems of the technologies described above, the utility model provides a kind of transmission device, and this transmission structures is simple, effectively can realize single-direction transmission, avoids the impact of reversing on water pump, improves the working life of water pump, increases the Security that water pump uses.
The technological scheme that the utility model provides is as follows:
A kind of transmission device, it is characterized in that, described transmission device comprises overcoat and inner sleeve, is placed in described overcoat, the inner circumference of described overcoat is evenly provided with piston hole in described, piston rod is provided with in described piston hole, one end of described piston rod is connected with spring, and described spring is placed in described piston hole, and the excircle of described inner sleeve is evenly provided with unidirectional tooth, described unidirectional tooth comprises tooth top and teeth groove, and described piston rod is placed in described teeth groove away from one end of described spring.
Preferably, one end of described piston rod is connected with spring and is specially, and one end of described piston rod is provided with the first attachment hole, and one end of described spring is placed in described first attachment hole.
Preferably, described overcoat comprises the first joint for being connected with axle and the second joint for being connected with described inner sleeve, described first joint is provided with the first axis hole, axially the first keyway is provided with at the inwall of described first axis hole, described second joint is provided with the second attachment hole, described piston hole is evenly arranged on the inner circumference of described second attachment hole, the center of described first axis hole and the center superposition of described second attachment hole.
Preferably, described inner sleeve comprises the 3rd joint for being connected with axle and the 4th joint for being connected with described overcoat, described 3rd joint is provided with the second axis hole, axially the second keyway is provided with at the inwall of described second axis hole, described unidirectional tooth is evenly arranged on the excircle of described 4th joint, the center of described 4th joint and the center superposition of described second axis hole.
Preferably, the tooth curve of described unidirectional tooth side is long compared with the tooth curve of opposite side.
Technological scheme provided by the utility model, compared with prior art, this transmission device comprises inner sleeve and overcoat, inside be embedded in overcoat, the excircle of inner sleeve is evenly provided with unidirectional tooth, the inner peripheral surface of overcoat is evenly provided with piston hole, piston rod is provided with in piston hole, one end of piston rod is connected with spring, and spring is placed in piston hole, and piston rod is corresponding with unidirectional tooth.Wherein unidirectional tooth comprises tooth top and teeth groove, and piston rod is placed in teeth groove away from one end of spring.When inner sleeve rotates forward relative to overcoat, because piston rod is stuck in teeth groove, under the effect of piston rod, overcoat also and then rotates together; When inner sleeve rotates backward relative to overcoat, piston rod slides to tooth top from teeth groove at the flank profil curved surface that unidirectional tooth tooth curve is longer, and piston rod slips over tooth top and is placed in adjacent teeth groove, circulation like this, due to the slip of piston rod, cause overcoat motionless, thus realize single-direction transmission.This transmission device effectively can realize single-direction transmission, thus avoids the impact of reversion on water pump, improves the working life of water pump, increases the Security that water pump uses.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of transmission device;
Fig. 2 is the A-A view of Fig. 1;
Fig. 3 is the structural representation of inner sleeve;
Fig. 4 is the B-B view of Fig. 3;
Fig. 5 is the structural representation of overcoat;
Fig. 6 is the C-C view of Fig. 5
Fig. 7 is piston rod construction schematic diagram.
Embodiment
Technological scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technological scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
The present embodiment adopts the mode of going forward one by one to write.
As shown in Figures 1 to 7, the present embodiment provides a kind of transmission device, this transmission device comprises overcoat 1 and inner sleeve 2, inner sleeve 2 is placed in overcoat 1, and the inner circumference of overcoat 1 is evenly provided with piston hole 3, is provided with piston rod 4 in piston hole 3, spring 5 is connected with in one end of piston rod 4, spring 5 is placed in piston hole 3, and the excircle of inner sleeve 2 is evenly provided with unidirectional tooth 6, and unidirectional tooth 6 is corresponding with piston rod 4.
Wherein, unidirectional tooth 6 comprises tooth top 61 and teeth groove 62, and the tooth curve of unidirectional tooth 6 side is long compared with the tooth curve of opposite side, and longer tooth curve camber.Piston rod 4 remains the trend of stretching out outside piston hole 3 under the effect of spring 5.Piston rod 4 one end outside piston hole 3 is placed in teeth groove 62, teeth groove 62 forces piston bar 4 thus spring 5 is shunk, and namely piston rod 4 is stuck in teeth groove 62 under the effect of spring 5.
When inner sleeve 2 rotates forward, the unidirectional tooth 6 be evenly arranged on inner sleeve 2 excircle rotates thereupon, now, because piston rod 4 is stuck in teeth groove 62 under the action of the spring, therefore, unidirectional tooth 6 drives piston rod 4 to rotate while rotating with inner sleeve, again because one end of piston rod 4 is placed in piston hole 3, also makes overcoat also rotate thereupon, when inner sleeve 2 rotates backward, the unidirectional tooth 6 be evenly arranged on inner sleeve 2 excircle rotates thereupon, now, because piston rod 4 remains the trend of stretching out outside piston hole 3 under the effect of spring 5, slide in one end that piston rod 4 is placed in teeth groove 62 on the flank profil curved surface that unidirectional tooth 6 is longer, its slip is slided from teeth groove 62 to tooth top 61, the process slided from teeth groove 62 to tooth top 61 at the flank profil curved surface that unidirectional tooth 6 is longer in one end that piston rod 4 is placed in teeth groove 62, piston rod 4 is pushed back piston hole 3, now spring 5 is in compressive state, when one end that piston rod 4 is placed in teeth groove 62 slips over tooth top 61, one end that piston rod 4 is placed in teeth groove 62 enters adjacent teeth groove 62, so, piston rod 4 slips over all unidirectional teeth 6 successively and circulates always, inner sleeve 2 is dallied, thus realize the single-direction transmission of inner sleeve 2 pairs of overcoats 1.
The transmission device of the present embodiment, inner sleeve 2 is adopted to embed in overcoat 1, piston rod 4 is placed in teeth groove 62 under the effect of spring 5, piston rod 4 is placed in the piston hole 3 on overcoat 1 inner peripheral surface, efficiently avoid the piston rod 3 that the axial displacement deviation that produces due to inner sleeve 2 and overcoat 1 causes to come off in overcoat 1, make single-direction transmission effect better.Inner sleeve 2 and overcoat 1 each surface of contact material thickness distribution uniform, can ensure under long service condition, and inner sleeve 2 distributes with the uniform internal stress of overcoat 1, under the service condition of regulation, there will not be the phenomenon of crack, cracking.Unidirectional tooth 6 is on inner sleeve 2 outer peripheral surface, and regular shape, machining process is simple, and single-piece work cost is less, is easy to batch production.
In the present embodiment, overcoat 1 comprises the first joint 11 and the second joint 12, wherein, first joint 11 is provided with the first axis hole 111, the inwall of the first axis hole 111 is provided with the first keyway 112, first keyway 112 is arranged, for being fixedly connected with axle by overcoat 1 along the axis of the first axis hole 111.First connected element 11 is for being connected with axle, axle herein, it can be the output shaft of electric machine assembly, also be can be axle as driven water pump, when the first joint 11 connects the output shaft of electric machine assembly, inner sleeve 2 is connected with the axle as driven water pump, and when the first joint 11 is connected with the axle as driven water pump, inner sleeve 2 is connected with the output shaft of electric machine assembly.Second joint 12, for being connected with inner sleeve 2, wherein, the second joint 12 being provided with the second attachment hole 121, the inner circumference of the second attachment hole 121 is evenly provided with piston hole 3.Wherein, the center superposition of the first axis hole 111 and the second attachment hole 121.
As preferably, the diameter of the first connected element 11 is less than the diameter of the second connected element 12, and the diameter of the first axis hole 111 is less than the diameter of the second attachment hole 121.
In the present embodiment, inner sleeve 2 comprises the 3rd joint 21 and the 4th joint 22, and wherein, the 3rd joint 21 is for being connected with axle, and the 4th joint 22 is for being connected with overcoat 1.Wherein, the 3rd joint 21 is provided with the second axis hole 211, the second axis hole 211 inwall is provided with the second keyway 212, second keyway 212 and arranges, for inner sleeve 2 is fixedly connected with axle along the axis of the second axis hole 211.The axle that 3rd joint 21 connects, the output shaft of electric machine assembly can be made, also can be also be can be axle as driven water pump, when the 3rd joint 21 connects the output shaft of electric machine assembly, overcoat 1 is connected with the axle as driven water pump, when the 3rd joint 21 is connected with the axle as driven water pump, overcoat 1 is connected with the output shaft of electric machine assembly.4th joint 22 is connected with overcoat 1, the center of the 4th joint 22 and the center superposition of the second axis hole 211.The excircle of the 4th joint 22 is evenly provided with unidirectional tooth 6, and unidirectional tooth 6 is corresponding with piston hole 3.
In the present embodiment, one end of piston rod 4 is connected with spring 5 and is specifically preferably, and is provided with the first attachment hole 41 in one end of piston rod 4, and one end of spring 5 is placed in the first attachment hole 41.Certainly, other Placements also can be adopted to be connected with piston rod 4 by spring 5.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a transmission device, it is characterized in that, described transmission device comprises overcoat and inner sleeve, is placed in described overcoat, the inner circumference of described overcoat is evenly provided with piston hole in described, piston rod is provided with in described piston hole, one end of described piston rod is connected with spring, and described spring is placed in described piston hole, and the excircle of described inner sleeve is evenly provided with unidirectional tooth, described unidirectional tooth comprises tooth top and teeth groove, and described piston rod is placed in described teeth groove away from one end of described spring.
2. transmission device according to claim 1, is characterized in that, one end of described piston rod is connected with spring and is specially, and one end of described piston rod is provided with the first attachment hole, and one end of described spring is placed in described first attachment hole.
3. transmission device according to claim 1, it is characterized in that, described overcoat comprises the first joint for being connected with axle and the second joint for being connected with described inner sleeve, described first joint is provided with the first axis hole, axially the first keyway is provided with at the inwall of described first axis hole, described second joint is provided with the second attachment hole, and pin-and-hole is evenly arranged on the inner circumference of described second attachment hole, the center of described first axis hole and the center superposition of described second attachment hole.
4. transmission device according to claim 1, it is characterized in that, described inner sleeve comprises the 3rd joint for being connected with axle and the 4th joint for being connected with described overcoat, described 3rd joint is provided with the second axis hole, axially the second keyway is provided with at the inwall of described second axis hole, described unidirectional tooth is evenly arranged on the excircle of described 4th joint, the center of described 4th joint and the center superposition of described second axis hole.
5. transmission device according to claim 1, is characterized in that, the tooth curve of described unidirectional tooth side is long compared with the tooth curve of opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450769.9U CN204113963U (en) | 2014-08-11 | 2014-08-11 | A kind of transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450769.9U CN204113963U (en) | 2014-08-11 | 2014-08-11 | A kind of transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113963U true CN204113963U (en) | 2015-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420450769.9U Active CN204113963U (en) | 2014-08-11 | 2014-08-11 | A kind of transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041908A (en) * | 2015-08-23 | 2015-11-11 | 袁廷华 | Oscillating tooth type double clutch |
-
2014
- 2014-08-11 CN CN201420450769.9U patent/CN204113963U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041908A (en) * | 2015-08-23 | 2015-11-11 | 袁廷华 | Oscillating tooth type double clutch |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |