CN203756788U - Slide block device of synchronizer - Google Patents
Slide block device of synchronizer Download PDFInfo
- Publication number
- CN203756788U CN203756788U CN201420036926.1U CN201420036926U CN203756788U CN 203756788 U CN203756788 U CN 203756788U CN 201420036926 U CN201420036926 U CN 201420036926U CN 203756788 U CN203756788 U CN 203756788U
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- Prior art keywords
- steel ball
- key device
- slide body
- synchronizer
- utility
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000007935 neutral effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model provides a slide block device of a synchronizer. The slide block device comprises a steel ball, and a slide block body provided with a containing hole, wherein the steel ball is contained in the slide block body, namely, the steel ball exposes from the containing hole in the slide block body and is blocked into the containing hole. The slide block device of the synchronizer further comprises a leaf spring which is arranged between the steel ball and the slide block body. The slide block device of the synchronizer is simple in structure, convenient to assemble, easy to be processed, and low in production cost.
Description
Technical field
The utility model is about automobile synchronizer field, and particularly about a kind of for the slide block device on automobile synchronizer.
Background technique
As everyone knows, the gearshift of automobile is recently to realize by the transmission of change transmission output shaft and input shaft.In shift process, two different gears of rotational speed engage by force and will inevitably occur to impact and noise, and while gearshift in order to meet, gearbox does not produce impact, is provided with synchronizer in speed changer.The effect of synchronizer is the synchronizing ring of utilizing in shift process in synchronizer, makes the synchronization of shift gear and transmission shaft by friction, thereby ensures that gear engagement is not hit, extend gear life, eliminate noise, make gearshift steadily rapidly, and then improve power character and the Economy of automobile.
In mechanical transmission, using at present maximum is block type synchronization device, is also inertia locking synchronizer.The slide block device of traditional block type synchronization device is normally made up of steel ball, synchronous screw spring and slide block, and the slide block device of this structure need to adopt special tool in the time of assembling, assembles cumbersome.In addition, if in the process of assembling, each assembly does not have accurate centering, to cause synchronizer to break down, and easily make synchronizing ring in presynchronization state, in this case, synchronizing ring, through lasting friction, will cause the conical surface of synchronizing ring to wear and tear prematurely, affects the performance of synchronizer.
Model utility content
For the problems referred to above, the purpose of this utility model be one not only simple in structure, easy to assembly, cost of production is low, and can effectively improve the stability of synchronizer in shift process and the synchronizer key device of reliability.
A kind of synchronizer key device of the present utility model, comprises steel ball and the slide body of receiving hole is set, described steel ball is contained in described slide body, from being arranged on that receiving hole described slide body exposes but holding in described receiving hole; Described synchronizer key device also comprises the flat spring being arranged between described steel ball and described slide body.
In an embodiment of the present utility model, aforesaid flat spring is contained in described slide body, is arranged between described steel ball and the bottom of described slide body.
In an embodiment of the present utility model, the cross section of aforesaid flat spring is S-shaped.
In an embodiment of the present utility model, aforesaid flat spring comprises base portion and spring section, the bottom of slide body described in described base portion butt, steel ball described in described spring section butt.
In an embodiment of the present utility model, the spring section of aforesaid flat spring be provided with can support described in the supporting part of steel ball.
In an embodiment of the present utility model, the supporting part of aforesaid flat spring is vaulted.
In an embodiment of the present utility model, the spring section of aforesaid flat spring comprises the first spring section and the second spring section that extend out respectively from described base portion two ends.
In an embodiment of the present utility model, aforesaid supporting part is arranged in the first spring section and/or the second spring section.
In an embodiment of the present utility model, aforesaid slide body comprises top board, is arranged on the pair of side plates of described top board both sides, and is arranged on a pair of clamping part at described top board two ends.
In an embodiment of the present utility model, aforesaid top board, pair of side plates and a pair of clamping part surround host cavity jointly, and described steel ball and described flat spring are contained in described host cavity.
The beneficial effects of the utility model are, adopt synchronizer key device of the present utility model, adopt flat spring to serve as elastic element, simple in structure, easy to assembly, are easy to processing, and cost of production is low.This structure is conducive to the assembling of synchronizer simultaneously, has ensured the conformity of assembling rear slider device, has improved the reliability of synchronizer.Supporting part is set on flat spring, is steel ball location, is conducive to the neutral location of slide block device, avoids occurring presynchronization.In addition, synchronizer key device of the present utility model can mate by changing the boundary dimension of slide body the axial dimension of different synchronizers, can arrange at each gear, has wide range of applications.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other objects, features and advantages of the present utility model can be become apparent, below especially exemplified by embodiment, and coordinate accompanying drawing, be described in detail as follows.
Brief description of the drawings
Fig. 1 is the package assembly schematic diagram of the utility model synchronizer key device preferred embodiment.
Fig. 2 is the cross section structure schematic diagram of the utility model synchronizer key device preferred embodiment.
Fig. 3 is the plan structure schematic diagram of the slide body of the utility model synchronizer key device preferred embodiment.
Fig. 4 is the main TV structure schematic diagram of the slide body of the utility model synchronizer key device preferred embodiment.
Fig. 5 is the cross section structure schematic diagram of the flat spring of the utility model synchronizer key device preferred embodiment.
Fig. 6 is the second embodiment's of the utility model synchronizer key device cross section structure schematic diagram.
Fig. 7 is the cross section structure schematic diagram of the utility model synchronizer key device the 3rd embodiment's flat spring.
Embodiment
Technological means and effect of taking for reaching predetermined model utility object for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to embodiment, structure, feature and effect thereof according to the synchronizer key device the utility model proposes, be described in detail as follows:
Relevant aforementioned and other technology contents of the present utility model, Characteristic can be known and present in the following detailed description coordinating with reference to graphic preferred embodiment.By the explanation of embodiment, when being able to more deeply and concrete understanding for technological means and effect of reaching predetermined object and taking the utility model, but appended graphic be only to provide with reference to the use of explanation, be not used for the utility model to be limited.
Please refer to shown in Fig. 1, the synchronizer key device on automobile synchronizer that preferred embodiment of the present utility model provides comprises steel ball 1, slide body 2 and flat spring 3.This flat spring 3 is contained in this slide body 2, and this steel ball 1 is carried on this flat spring 3, and this slide body 2 exposes certainly, and holding is in this slide body 2.
Please refer to shown in Fig. 2 to Fig. 4, slide body 2 is preferably formed by punching press by metal sheet, and it comprises top board 20, is arranged on the pair of side plates 21 of top board 20 both sides, and is arranged on a pair of clamping part 22 at top board 20 two ends.Pair of side plates 21 is extended downward vertically in top board 20 both sides, and is arranged in parallel.A pair of clamping part 22, and extends in predetermined height to downward-extension in opposite directions at top board 20 two ends.Thereby top board 20, pair of side plates 21 and a pair of clamping part 22 surround host cavity 23 jointly, and the bottom of this host cavity 23 is not exclusively sealed.Offer the receiving hole 24 of perforation at top board 20 middle parts.On the top surface of top board 20, receiving hole 24 bilateral symmetry are provided with two limit structures 25.In the present embodiment, these two limit structures 25 are spacing block sets protruding upward from the upper surface of top board 20.Distance between these two limit structures 25 is less than the diameter of steel ball 1.The boundary dimension of slide body 2 can the arrangement space on synchronizer be determined according to this slide block device.Flat spring 3 is contained in the host cavity 23 of slide body 2.
Please refer to shown in Fig. 5, flat spring 3 is preferably stamped to form by cold-rolled low carbon steel material, has good nonlinear elasticity characteristic, and host cavity 23 sizes of its boundary dimension and slide body 2 match.This flat spring 3 comprises base portion 30, and the first spring section 31 extending out respectively from base portion 30 two ends and the second spring section 32, the first spring section 31 and the second spring section 32 respectively with base portion 30 setting that takes the shape of the letter U, and the end of the first spring section 31 stretches between the second spring section 32 and base portion 30.The middle part of the second spring section 32 is downward, caves in to base portion 30, forms vaulted supporting part 33.The end of the first spring section 31 is connected to the below of supporting part 33.Steel ball 1 can be contained in supporting part 33.
Please, referring again to Fig. 2, the assembly process of the synchronizer key device of the utility model preferred embodiment is as follows:
Before assembling, a pair of clamping part 22 of slide body 2 only bends downwards from top board 20 two ends, not bending in opposite directions.When assembling, first steel ball 1 is put into the supporting part 33 of flat spring 3.Then, steel ball 1 is put into its host cavity 23 from slide body 2 bottoms together with flat spring 3, make steel ball 1 expose the upper surface of slide body 2 top boards 20 from the receiving hole 24 of slide body 2.Because the distance between two limit structures 25 of the upper surface of slide body 2 top boards 20 is less than the diameter of steel ball 1, steel ball 1 can not come off from receiving hole 24.Finally a pair of clamping part 22 of slide body 2 is bent in opposite directions, flat spring 3 is remained in slide body 2, can not drop out from slide body 2.Thereby steel ball 1, slide body 2 and flat spring 3 assemble complete and form an entirety.Certainly, the assembly process of the utility model preferred embodiment synchronizer key device and order are not limited to this.
In the time applying the synchronizer (not shown) gearshift of synchronizer key device of the utility model preferred embodiment, steel ball 1 is subject to the effect of the power of synchronizer gear sleeve and incites somebody to action downwards, move to flat spring 3, the second spring section 32 of pushing piece spring 3 produces resiliently deformable with the relative base portion 30 of the first spring section 31, move to base portion 30 in the lump, make this slide block device be in gear state.In the time that synchronizer gear sleeve is retracted into neutral gear position, steel ball 1 is under the second spring section 32 of flat spring 3 and the elastic force effect of the first spring section 31, and initial position is got back in reversing motion, and slide block device is in neutral positioning states.
Please refer to shown in Fig. 6, in the second embodiment of synchronizer key device of the present utility model, other structure is all identical with the first embodiment, difference is, on the top surface of slide body 2 top boards 20 ', receiving hole 24 both sides do not arrange limit structure 25, but establish gear along 26 at the inner side surface ring that slide body 2 top boards 20 ' surround receiving hole 24, keep off the minimum diameter along 26, it is the internal diameter that the minimum diameter of receiving hole 24 is less than steel ball 1 ', thereby steel ball 1 ' is carried out spacing, make steel ball 1 ' can not depart from receiving hole 24 in movement process.Preferably gear is spherical calotte along 26 inner side surface, and the radius of this sphere is preferably greater than the radius of steel ball 1 ', makes gear not hinder the proper motion stroke of steel ball 1 ' along 26 interior edge face.
Please refer to shown in Fig. 7, in the 3rd embodiment of synchronizer key device of the present utility model, other structure is all identical with the first embodiment, difference is, flat spring 3 " comprise base portion 30 ", and from base portion 30 " the first spring section 31 of extending out respectively of two ends " and the second spring section 32 ", the first spring section 31 " and the second spring section 32 " respectively with base portion 30 " setting that takes the shape of the letter U, and the first spring section 31 " with the second spring section 32 " be symmetrical arranged.The first spring section 31 " and the second spring section 32 " end downward, to base portion 30 " depression, form vaulted supporting part 33 ".Steel ball 1 can be contained in supporting part 33 " in.The first spring section 31 " and the second spring section 32 " end between there is gap.
Be appreciated that, except the shape in above-described embodiment, flat spring 3 can also have other shape, for example its cross section is S-shaped, as long as flat spring 3 is arranged between steel ball 1 and the bottom of slide body 2 or slide body 2, for steel ball 1 provides elastic force.
Synchronizer key device of the present utility model, adopts flat spring 3 to serve as elastic element, simple in structure, easy to assembly, is easy to processing, and cost of production is low.This structure is conducive to the assembling of synchronizer simultaneously, has ensured the conformity of assembling rear slider device, has improved the reliability of synchronizer.Supporting part 33 is set on flat spring 3, locates for steel ball 1, be conducive to the neutral location of slide block device, avoid occurring presynchronization.In addition, synchronizer key device of the present utility model can mate by changing the boundary dimension of slide body 2 axial dimension of different synchronizers, can arrange at each gear, has wide range of applications.
The above, only embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solutions of the utility model content, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a synchronizer key device, comprise steel ball (1) and the slide body (2) of receiving hole (24) is set, described steel ball (1) is contained in described slide body (2), from being arranged on that receiving hole (24) described slide body (2) exposes but holding in described receiving hole (24); It is characterized in that, described synchronizer key device also comprises the flat spring (3) being arranged between described steel ball (1) and described slide body (2).
2. synchronizer key device as claimed in claim 1, is characterized in that, described flat spring (3) is contained in described slide body (2), is arranged between described steel ball (1) and the bottom of described slide body (2).
3. synchronizer key device as claimed in claim 2, is characterized in that, the cross section of described flat spring (3) is S-shaped.
4. synchronizer key device as claimed in claim 2, is characterized in that, described flat spring (3) comprises base portion (30) and spring section, the bottom of slide body (2) described in described base portion (30) butt, steel ball (1) described in described spring section (32) butt.
5. synchronizer key device as claimed in claim 4, is characterized in that, the spring section of described flat spring (3) be provided with can support described in the supporting part (33) of steel ball (1).
6. synchronizer key device as claimed in claim 5, is characterized in that, the supporting part (33) of described flat spring (3) is vaulted.
7. synchronizer key device as claimed in claim 5, is characterized in that, the spring section of described flat spring (3) comprises the first spring section (31) and the second spring section (32) that extend out respectively from described base portion (30) two ends.
8. the synchronizer key device as described in any one in claim 7, is characterized in that, described supporting part (33) are arranged in the first spring section (31) and/or the second spring section (32).
9. synchronizer key device as claimed in claim 1, it is characterized in that, described slide body (2) comprises top board (20), is arranged on the pair of side plates (21) of described top board (20) both sides, and is arranged on a pair of clamping part (22) at described top board (20) two ends.
10. synchronizer key device as claimed in claim 9, it is characterized in that, described top board (20), pair of side plates (21) and a pair of clamping part (22) surround host cavity (23) jointly, and described steel ball (1) and described flat spring (3) are contained in described host cavity (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420036926.1U CN203756788U (en) | 2014-01-21 | 2014-01-21 | Slide block device of synchronizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420036926.1U CN203756788U (en) | 2014-01-21 | 2014-01-21 | Slide block device of synchronizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203756788U true CN203756788U (en) | 2014-08-06 |
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ID=51252069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420036926.1U Expired - Fee Related CN203756788U (en) | 2014-01-21 | 2014-01-21 | Slide block device of synchronizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203756788U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107466342A (en) * | 2015-04-13 | 2017-12-12 | 舍弗勒技术股份两合公司 | Pressure piece for a synchronization device |
| CN107701608A (en) * | 2016-08-08 | 2018-02-16 | 舍弗勒技术股份两合公司 | Synchronizer and presynchronization slide block for synchronizer |
| CN108194531A (en) * | 2018-02-11 | 2018-06-22 | 十堰同创传动技术有限公司 | Buckle-type synchronizer composite slider |
| CN111065837A (en) * | 2017-09-20 | 2020-04-24 | 麦格纳Pt有限两合公司 | synchronization unit |
-
2014
- 2014-01-21 CN CN201420036926.1U patent/CN203756788U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107466342A (en) * | 2015-04-13 | 2017-12-12 | 舍弗勒技术股份两合公司 | Pressure piece for a synchronization device |
| CN107701608A (en) * | 2016-08-08 | 2018-02-16 | 舍弗勒技术股份两合公司 | Synchronizer and presynchronization slide block for synchronizer |
| CN111065837A (en) * | 2017-09-20 | 2020-04-24 | 麦格纳Pt有限两合公司 | synchronization unit |
| CN108194531A (en) * | 2018-02-11 | 2018-06-22 | 十堰同创传动技术有限公司 | Buckle-type synchronizer composite slider |
| CN108194531B (en) * | 2018-02-11 | 2023-06-16 | 十堰同创传动技术有限公司 | Buckle type synchronizer combined sliding block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 |