CN203770619U - Anti-trip stop self-locking device and synchronizer of manual transmission - Google Patents
Anti-trip stop self-locking device and synchronizer of manual transmission Download PDFInfo
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- CN203770619U CN203770619U CN201420063643.6U CN201420063643U CN203770619U CN 203770619 U CN203770619 U CN 203770619U CN 201420063643 U CN201420063643 U CN 201420063643U CN 203770619 U CN203770619 U CN 203770619U
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- synchronizer
- locking device
- manual transmission
- self
- tooth
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Abstract
The utility model discloses an anti-trip stop self-locking device and a synchronizer of a manual transmission. The self-locking device is arranged on the synchronizer of the manual transmission. The synchronizer comprises a gear hub and a gear sleeve which are matched. The self-locking device comprises an elastic base and a positioning ball, wherein the elastic base comprises a positioning top plate and an elastic cantilever, the elastic cantilever is located below the positioning top plate, the positioning top plate is provided with a positioning hole, a flange is further arranged on the elastic base and used for fixing the elastic base on a groove formed in the gear hub, the positioning ball is supported by the elastic cantilever and is exposed from the positioning hole, and the diameter of the positioning ball is larger than the aperture of the positioning hole. According to the anti-trip stop self-locking device and the synchronizer of the manual transmission, the structure is compact, the function of a punching base body and the function a spring are integrated, installation and positioning are convenient, proper self-locking force is guaranteed after the gear sleeve is in gear, trip stop of the transmission is prevented, and then the problems existing in the prior art and other influences are solved successfully.
Description
Technical field
The utility model relates to the manual transmission on automobile, relates in particular to a kind of self-locking device anti-out of supply and synchronizer of manual transmission.
Background technique
Manual transmission is the important component part on manual automobile, it mainly comprises driving mechanism, gear-selecting-shifting mechanism and shell construction part etc., synchronizer is as the important system between gearshift and driving mechanism, while requiring gearshift, there is good net synchronization capability, guarantee again the moment of torsion transmission of synchro system held stationary when shelves, trip stop does not occur, and the axial vibration of isolated axle tooth is delivered on gearshift.Synchronizer generally includes tooth cover and tooth hub, and tooth cover and tooth hub cooperatively interact.
In existing manual transmission, generally for synchronizer, be provided with anticreep mark structure, the method for employing is to increase tooth hub in conjunction with the back cone angle of tooth and tooth cover, but easily like this causes moving back shelves difficulty; Or increase back cone place effectively in conjunction with axial length, but in the situation that design axial space is limited, be also difficult for realizing; In addition, anti-design out of supply also can adopt shift fork spacing, after engage a gear by acting on the self-lock pin on declutch shift shaft, make shift fork prop up one side of tooth cover fork slot, all the time to an axial force of tooth cover, prevent that tooth cover is retracted into neutral gear direction, but this structure is easily delivered to gearbox outside by the vibration of tooth axle system by shift fork, gear shift mechanism, cause gear lever vibration, directly have influence on car load travelling comfort.
Model utility content
The utility model provides a kind of self-locking device anti-out of supply and synchronizer of manual transmission, and to solve the problems of the prior art, its compact structure, guarantees to have suitable self-lock force after tooth is enclosed within shelves, prevents speed changer trip stop.
The utility model provides a kind of self-locking device anti-out of supply of manual transmission, is arranged on the synchronizer of manual transmission, and described synchronizer comprises tooth hub and the tooth cover cooperatively interacting, and wherein, described self-locking device comprises:
Elastic base, comprises location top board and elastic cantilever, and described elastic cantilever is positioned at the below of described location top board, and described location top board offers positioning hole;
On described elastic base, be also provided with rib, described rib is for being fixed on by described elastic base the groove of offering on described tooth hub;
Place kick, described place kick is supported on described elastic cantilever, and exposes from described positioning hole, and the diameter of described place kick is greater than the aperture of described positioning hole.
The self-locking device anti-out of supply of manual transmission as above, wherein, preferably: on described rib, offer the first rivet hole.
The self-locking device anti-out of supply of manual transmission as above, wherein, preferably: described place kick is steel ball.
The self-locking device anti-out of supply of manual transmission as above, wherein, preferably: described elastic base adopts spring steel impact briquetting.
The utility model also provides a kind of synchronizer, comprise the tooth hub and the tooth cover that cooperatively interact, wherein: described synchronizer also comprises the self-locking device anti-out of supply of the manual transmission that the utility model provides, on described tooth hub, offer a plurality of grooves, described elastic base is fixed on described groove by rib.
Synchronizer as above, wherein, preferably: on described rib, offer the first rivet hole, on described groove, offer the second rivet hole, in described the first rivet hole and described the second rivet hole, be equipped with pin.
Synchronizer as above, wherein, preferably: in the inner tines of described tooth cover, be provided with the inclined-plane for matching with described place kick.
Synchronizer as above, wherein, preferably: the quantity of described groove is three, is distributed on the circumference of described tooth hub.
Self-locking device anti-out of supply and the synchronizer of the manual transmission that the utility model provides, its compact structure, the integrated spring function of punching press matrix, location is installed easy, guarantee to be enclosed within after shelves at tooth, there is suitable self-lock force, prevented speed changer trip stop, thereby successfully solved the problems of the prior art and otherwise impact.
Accompanying drawing explanation
The self-locking device structural representation anti-out of supply of the manual transmission that Fig. 1 provides for the utility model embodiment;
The self-locking device structure sectional view anti-out of supply of the manual transmission that Fig. 2 provides for the utility model embodiment;
The synchronizer decomposing schematic representation that Fig. 3 provides for the utility model embodiment;
The synchronizer structure sectional view that Fig. 4 provides for the utility model embodiment;
Fig. 5 is the structural representation of tooth hub in synchronizer;
Fig. 6 is the partial schematic diagram of tooth cover in synchronizer;
Fig. 7 is the structural representation of pin.
Embodiment
Below in conjunction with embodiment, the utility model is elaborated.Wherein identical component represent with identical reference character.It should be noted that, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in accompanying drawing, and word " interior " and " outward " refer to respectively the direction towards or away from specific features geometrical center.
The self-locking device structural representation anti-out of supply of the manual transmission that Fig. 1 provides for the utility model embodiment, the self-locking device structure sectional view anti-out of supply of the manual transmission that Fig. 2 provides for the utility model embodiment, the synchronizer decomposing schematic representation that Fig. 3 provides for the utility model embodiment, the synchronizer structure sectional view that Fig. 4 provides for the utility model embodiment.
As shown in Figures 1 to 4, the utility model embodiment provides a kind of self-locking device 1 anti-out of supply of manual transmission, be arranged on the synchronizer 2 that the utility model embodiment provides, synchronizer 2 comprises tooth hub 21 and tooth cover 22, above-mentioned self-locking device 1 is arranged between tooth hub 21 and tooth cover 22, and tooth hub 21 is connected by spline fitted with tooth cover 22.
Fig. 5 is the structural representation of tooth hub in synchronizer, as shown in Figure 5, is provided with a plurality of grooves 211 on tooth hub 21.
In the present embodiment, the quantity of groove 211 is three, is distributed on the circumference of tooth hub 21.Accordingly, the quantity of self-locking device 1 is also three, as shown in Figure 3, by the rib 111 on the elastic base 11 of self-locking device 1, is connected on this groove 211, and passes through the first rivet hole 112 and the second rivet hole 212 rivet clasps by rivet 3.
As depicted in figs. 1 and 2, self-locking device 1 comprises elastic base 11 and place kick 12, elastic base 11 comprises location top board 113 and elastic cantilever 114, and described elastic cantilever 114 is positioned at the below of described location top board 113, and described location top board 113 offers positioning hole 115; On described elastic base 11, be also provided with rib 111, described elastic base 11 is fixed on the groove 211 of offering on described tooth hub 21 by described rib 111; Place kick 12 is supported on described elastic cantilever 114, and exposes from described positioning hole 115, and the diameter of described place kick 12 is greater than the aperture of described positioning hole 115, thereby described place kick 12 can not deviate from from positioning hole 115.
Preferably, elastic base 11 adopts spring steel impact briquetting.Elastic cantilever 114 forms the shape bending inwards when punching press, place kick 12 is preferably steel ball, the effect of elastic cantilever 114 is carrying steel balls, and when steel ball is stressed can with steel ball resilient engagement, make steel ball along with the variation of radial displacement produces a radial force, and in certain compression stroke, maintain the spring force of approximately linear, when tooth is enclosed within grade, the radial force that the radial displacement of elastic base 11 produces acts on tooth by place kick 12 and puts, produce an axial thrust load, prevent that tooth cover from pushing neutral gear position to, thereby prevent synchronizer trip stop.
Fig. 6 is the partial schematic diagram of tooth cover in synchronizer, the structural representation that Fig. 7 is pin.
And referring to Fig. 1 to Fig. 7, elastic base 11 is as follows with the means of fixation of tooth hub 21: on rib 111, offer the first rivet hole 112, on groove 211, offer the second rivet hole 212, in the first rivet hole 112 and the second rivet hole 212, be equipped with pin 3, thereby carry out spacing to elastic base 11.
Further, in the inner tines of tooth cover 22, be provided with the inclined-plane 221 for matching with described place kick 12.Please refer to Fig. 4 and Fig. 6, place kick 12 acts on the inclined-plane 221 of tooth cover 22, and the change in displacement that elastic cantilever 114 is subject to place kick 12 produces a corresponding radial force, and reaction force is on the inclined-plane 221 of tooth cover 22, make tooth cover 22 obtain axial confining force, and then prevent synchronizer 2 trip stops.
The angle and the length that it will be appreciated by persons skilled in the art that the inclined-plane 221 of tooth cover 22 can be done corresponding adjustment according to the size of anti-trip stop power, at this, do not do concrete restriction.
Therefore, self-locking device anti-out of supply and the synchronizer of the manual transmission that the utility model embodiment provides, its compact structure, integrated spring function, without additional flexibility element; Location is installed easy, guarantees to be enclosed within shelves at tooth, there is suitable self-lock force, prevented speed changer trip stop; Meanwhile, the realization of synchronizer body auto-lock function, tooth cover can coordinate shifting system to adopt Decoupling design without adopting shift fork spacing, can effectively solve gear lever vibration problem.In addition, this device and synchronizer compatibility are good, for improvement or the limited power assembly space of axial space of existing gearbox, only need slightly do design alteration to the tooth hub of synchronizer, tooth cover, without adopting again to increase in conjunction with tooth and effective method in conjunction with length of tooth cover, prevent trip stop.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of each embodiment's technological scheme of the utility model.
Claims (8)
1. an anti-off-gear self-locking device for manual transmission, is arranged on the synchronizer of manual transmission, and described synchronizer comprises tooth hub and the tooth cover cooperatively interacting, and it is characterized in that, described self-locking device comprises:
Elastic base, comprises location top board and elastic cantilever, and described elastic cantilever is positioned at the below of described location top board, and described location top board offers positioning hole;
On described elastic base, be also provided with rib, described rib is for being fixed on by described elastic base the groove of offering on described tooth hub;
Place kick, described place kick is supported on described elastic cantilever, and exposes from described positioning hole, and the diameter of described place kick is greater than the aperture of described positioning hole.
2. the anti-off-gear self-locking device of manual transmission according to claim 1, is characterized in that: on described rib, offer the first rivet hole.
3. the anti-off-gear self-locking device of manual transmission according to claim 1, is characterized in that: described place kick is steel ball.
4. according to the anti-off-gear self-locking device of the arbitrary described manual transmission of claim 1-3, it is characterized in that: described elastic base adopts spring steel impact briquetting.
5. a synchronizer, comprise the tooth hub and the tooth cover that cooperatively interact, it is characterized in that: described synchronizer also comprises the anti-off-gear self-locking device of the arbitrary described manual transmission of claim 1-4, on described tooth hub, offers a plurality of grooves, and described elastic base is fixed on described groove by rib.
6. synchronizer according to claim 5, is characterized in that: on described rib, offer the first rivet hole, offer the second rivet hole on described groove, in described the first rivet hole and described the second rivet hole, be equipped with pin.
7. synchronizer according to claim 5, is characterized in that: in the inner tines of described tooth cover, be provided with the inclined-plane for matching with described place kick.
8. according to the arbitrary described synchronizer of claim 5-7, it is characterized in that: the quantity of described groove is three, be distributed on the circumference of described tooth hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063643.6U CN203770619U (en) | 2014-02-12 | 2014-02-12 | Anti-trip stop self-locking device and synchronizer of manual transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063643.6U CN203770619U (en) | 2014-02-12 | 2014-02-12 | Anti-trip stop self-locking device and synchronizer of manual transmission |
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| Publication Number | Publication Date |
|---|---|
| CN203770619U true CN203770619U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420063643.6U Expired - Fee Related CN203770619U (en) | 2014-02-12 | 2014-02-12 | Anti-trip stop self-locking device and synchronizer of manual transmission |
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| CN (1) | CN203770619U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337885A (en) * | 2015-07-13 | 2017-01-18 | 上汽通用汽车有限公司 | Off-gear preventing self-lock pin for synchronizer of manual transmission |
| CN107237842A (en) * | 2017-06-28 | 2017-10-10 | 柳州上汽汽车变速器有限公司 | The anti-off-gear high speed synchroniser of automobile |
| CN110017339A (en) * | 2018-01-08 | 2019-07-16 | 舍弗勒技术股份两合公司 | Slide assemblies and synchronizer |
| CN114704621A (en) * | 2021-04-25 | 2022-07-05 | 长城汽车股份有限公司 | Executor subassembly, gearbox and car |
-
2014
- 2014-02-12 CN CN201420063643.6U patent/CN203770619U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337885A (en) * | 2015-07-13 | 2017-01-18 | 上汽通用汽车有限公司 | Off-gear preventing self-lock pin for synchronizer of manual transmission |
| CN107237842A (en) * | 2017-06-28 | 2017-10-10 | 柳州上汽汽车变速器有限公司 | The anti-off-gear high speed synchroniser of automobile |
| CN107237842B (en) * | 2017-06-28 | 2023-02-14 | 柳州上汽汽车变速器有限公司 | Anti-gear-off high-speed synchronizer for automobile |
| CN110017339A (en) * | 2018-01-08 | 2019-07-16 | 舍弗勒技术股份两合公司 | Slide assemblies and synchronizer |
| CN114704621A (en) * | 2021-04-25 | 2022-07-05 | 长城汽车股份有限公司 | Executor subassembly, gearbox and car |
| CN114704621B (en) * | 2021-04-25 | 2024-05-14 | 长城汽车股份有限公司 | Actuator assembly, gearbox and car |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20220212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |