CN221237162U - Locking structure of shifting fork shaft rocker arm - Google Patents
Locking structure of shifting fork shaft rocker arm Download PDFInfo
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- CN221237162U CN221237162U CN202323282139.3U CN202323282139U CN221237162U CN 221237162 U CN221237162 U CN 221237162U CN 202323282139 U CN202323282139 U CN 202323282139U CN 221237162 U CN221237162 U CN 221237162U
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- shaft
- positioning
- limiting
- connecting shaft
- rocker arm
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- 238000001125 extrusion Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model provides a shifting fork shaft rocker arm locking structure, which belongs to the technical field of automobile accessories and aims to solve the problem that the existing locking structure influences the connection stability and connection reliability of rocker arms, and comprises a rocker arm main body, a connecting hole, a positioning hole, a connecting shaft, an extrusion rod, a positioning shaft and an operation block; the connecting holes are formed in the left side and the right side of the rocker arm main body; the positioning holes are formed in the upper side and the lower side of the connecting hole at the right part; the connecting shaft is connected to the inner side of the connecting hole in a left-right sliding manner; the extrusion rod is connected to the inner side of the connecting shaft in a left-right sliding manner; the positioning shaft is connected to the left side of the connecting shaft in a left-right sliding manner; the operation block is arranged at the left side of the connecting shaft; according to the utility model, the mounting and dismounting efficiency of the rocker arm is effectively improved, the connection stability of the rocker arm is ensured, the condition that the rocker arm falls off due to the fact that the clamping block slides out is avoided, and the connection reliability of the rocker arm and the shifting fork shaft is improved.
Description
Technical Field
The utility model belongs to the technical field of automobile accessories, and particularly relates to a shifting fork shaft rocker arm locking structure.
Background
When installing the rocking arm on the shift fork axle, need use locking structure to fix the rocking arm, current locking mode falls into two kinds, and one kind adopts the bolt locking, and the other kind promotes the depression bar and makes the revolving plate rotate to realize the slip of fixture block in the draw-in groove, realize locking through the cooperation of fixture block and draw-in groove.
For example, CN202320406184.6 discloses a rocker arm of a shifting fork shaft of a gearbox release bearing of an agricultural vehicle, which relates to the technical field of automobile accessories, and comprises a rocker arm body, wherein the rocker arm body comprises a sleeving part, a through hole for the shifting fork shaft to pass through is formed in the surface of the sleeving part, two groups of shifting forks are symmetrically arranged on the surface of the shifting fork shaft, the shifting fork shaft comprises a connecting shaft, a plurality of first limiting plates are uniformly arranged on the surface of the connecting shaft, a cavity is formed in the sleeving part, a plurality of second limiting plates are movably arranged in the cavity through a wear-resistant adjusting part, the second limiting plates are matched with the first limiting plates, a locking part is arranged in the sleeving part and used for clamping the sleeving part on the surface of the shifting fork shaft, and the plurality of second limiting plates are driven to move through the wear-resistant adjusting part, so that the connecting state of the two limiting plates is kept, the connecting stability between the rocker arm body and the first limiting plates is ensured, and the service life of the rocker arm body is prolonged.
Based on the above, when locking through the bolt, need twist many times the bolt, the operation is comparatively time-consuming, when locking through the cooperation of fixture block and draw-in groove, the depression bar drives the fixture block easily and appears rocking when receiving vibrations, influences the connection stability of rocking arm to the depression bar is once received the extrusion and just leads to the fixture block roll-off easily, causes the rocking arm to drop, has influenced the connection reliability of rocking arm and fork shaft.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a shifting fork shaft rocker arm locking structure, which aims to solve the problems that when a bolt is locked, the bolt needs to be twisted for a plurality of times, the operation is time-consuming, when the locking is carried out through the matching of a clamping block and a clamping groove, a pressing rod easily drives the clamping block to shake when being subjected to vibration, the connection stability of a rocker arm is affected, the pressing rod easily causes the clamping block to slide out once being extruded, the rocker arm falls off, and the connection reliability of the rocker arm and a shifting fork shaft is affected.
The utility model discloses a shifting fork shaft rocker arm locking structure, which is characterized by comprising the following specific technical means:
A shifting fork shaft rocker arm locking structure comprises a rocker arm main body, a connecting hole, a positioning hole, a connecting shaft, an extrusion rod, a fixing component, a positioning shaft, an operation block and a limiting component; the two connecting holes are respectively formed in the left side and the right side of the rocker arm main body; the two positioning holes are respectively formed in the upper side and the lower side of the connecting hole at the right part; the connecting shaft is connected to the inner sides of the two connecting holes in a left-right sliding manner; the extrusion rod is connected to the inner side of the connecting shaft in a left-right sliding manner; the fixing component is arranged on the inner side of the connecting shaft; the positioning shaft is connected to the left side of the connecting shaft in a left-right sliding manner; the operation block is arranged at the left side of the connecting shaft; the limiting component is arranged on the inner side of the connecting shaft.
Further, the limiting assembly comprises a mounting chute, a positioning chute and a limiting block; the mounting chute is arranged at the upper part of the connecting shaft; the positioning sliding chute is arranged on the right side of the mounting sliding chute and is of an arc-shaped structure; the limiting block is fixedly connected to the outer side face of the positioning shaft.
Further, the limiting assembly further comprises a guide shaft, a third elastic piece and a limiting shaft; the guide shaft is fixedly connected to the right end face of the operation block, and is in sliding connection with the connecting shaft; the limiting shaft is fixedly connected to the right end face of the guide shaft, the limiting shaft is in sliding connection with the connecting shaft, and an arc surface is arranged on the right side of the limiting shaft; the limiting shaft is elastically connected with the connecting shaft through the third elastic piece.
Further, the fixing assembly comprises a positioning table, a positioning block and a first elastic piece; the two positioning tables are respectively fixedly connected to the front side and the rear side of the right part of the connecting shaft; the two positioning blocks are respectively connected to the upper side and the lower side of the right part of the connecting shaft in an up-down sliding way, and are respectively connected with the two positioning holes in an up-down sliding way; the two positioning blocks are elastically connected with the two positioning tables through the two first elastic pieces.
Further, the fixing component comprises a limiting table, a plug hole and a pushing shaft; the limiting table is fixedly connected to the left side of the connecting shaft; the plug Kong Kaishe is arranged on the left side of the connecting shaft; the pushing shaft is fixedly connected to the right end face of the positioning shaft.
Further, the fixing assembly comprises a position limiting piece, a limiting plate and a second elastic piece; the position limiting piece is fixedly connected to the right end face of the extrusion rod, and inclined planes are respectively arranged on the upper side and the lower side of the position limiting piece; the limiting plate is fixedly connected to the right end face of the position limiting piece, and the limiting plate is in sliding connection with the connecting shaft; the limiting plate is elastically connected with the connecting shaft through the second elastic piece.
Compared with the prior art, the utility model has the following beneficial effects:
The connecting and locking between the rocker arm and the shifting fork shaft is realized through the matching relation among the position limiting piece, the positioning block and the positioning hole, the operation is simple and convenient, the mounting and dismounting efficiency of the rocker arm is effectively improved, the inconvenience of twisting the bolt for many times is avoided, the operation time is saved, and the labor intensity of staff is reduced.
The extrusion rod and the positioning shaft are fixed through the limiting block and the limiting shaft, so that the connection stability of the rocker arm is guaranteed, the condition that the rocker arm falls off due to the fact that the clamping block slides out is avoided, and the connection reliability of the rocker arm and the shifting fork shaft is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
FIG. 2 is a schematic view of the location of the pilot hole of the present utility model.
Fig. 3 is a schematic structural view of the connecting shaft of the present utility model.
Fig. 4 is a schematic view of the structure of the extrusion rod of the present utility model.
Fig. 5 is a schematic view of the structure of the position defining member of the present utility model.
FIG. 6 is a schematic view of the positioning stage of the present utility model.
Fig. 7 is a schematic structural view of the limiting shaft of the present utility model.
Fig. 8 is a partially enlarged schematic view of the structure of fig. 7 a according to the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. A rocker arm body; 2. a connection hole; 3. positioning holes; 4. a connecting shaft; 401. a limiting table; 402. a positioning table; 403. installing a chute; 404. positioning a chute; 405. a plug hole; 406. a positioning block; 407. a first elastic member; 5. an extrusion rod; 501. a position limiting member; 502. a limiting plate; 503. a second elastic member; 6. positioning a shaft; 601. a limiting block; 602. a pushing shaft; 7. an operation block; 701. a guide shaft; 702. a third elastic member; 703. and a limiting shaft.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Embodiment one:
As shown in fig. 1 to 6:
The utility model provides a shifting fork shaft rocker locking structure which comprises a rocker main body 1, a connecting hole 2, a positioning hole 3, a connecting shaft 4, an extrusion rod 5, a fixing assembly and a positioning shaft 6; the two connecting holes 2 are arranged, and the two connecting holes 2 are respectively arranged on the left side and the right side of the rocker arm main body 1; the two positioning holes 3 are arranged, and the two positioning holes 3 are respectively arranged on the upper side and the lower side of the right connecting hole 2; the connecting shaft 4 is connected to the inner sides of the two connecting holes 2 in a left-right sliding manner; the extrusion rod 5 is connected to the inner side of the connecting shaft 4 in a left-right sliding manner; the fixed component is arranged on the inner side of the connecting shaft 4; the positioning shaft 6 is connected to the left side of the connecting shaft 4 in a left-right sliding manner.
Wherein, the fixed assembly comprises a positioning table 402, a positioning block 406 and a first elastic piece 407; two positioning tables 402 are arranged, and the two positioning tables 402 are respectively and fixedly connected to the front side and the rear side of the right part of the connecting shaft 4; the two positioning blocks 406 are arranged, the two positioning blocks 406 are respectively connected to the upper side and the lower side of the right part of the connecting shaft 4 in an up-down sliding way, and the two positioning blocks 406 are respectively connected with the two positioning holes 3 in an up-down sliding way; the first elastic members 407 are provided in two, and the two positioning blocks 406 are elastically connected with the two positioning tables 402 through the two first elastic members 407.
The fixing assembly comprises a limiting table 401, a plug hole 405 and a pushing shaft 602; the limiting table 401 is fixedly connected to the left side of the connecting shaft 4; the plug hole 405 is formed on the left side of the connecting shaft 4; the pushing shaft 602 is fixedly connected to the right end face of the positioning shaft 6.
Wherein, the fixing component comprises a position limiting piece 501, a limiting plate 502 and a second elastic piece 503; the position limiting piece 501 is fixedly connected to the right end face of the extrusion rod 5, and the upper side and the lower side of the position limiting piece 501 are respectively provided with an inclined plane; the limiting plate 502 is fixedly connected to the right end face of the position limiting piece 501, and the limiting plate 502 is in sliding connection with the connecting shaft 4; the limiting plate 502 is elastically connected with the connecting shaft 4 through a second elastic member 503.
Specific use and action of the embodiment: after the rocker arm main body 1 is sleeved on the outer side of the shifting fork shaft, the connecting shaft 4 is inserted into the connecting hole 2, when the right side surface of the limiting table 401 is attached to the rocker arm main body 1, the positioning shaft 6 is inserted into the inserting hole 405, at the moment, the pushing shaft 602 pushes the extrusion rod 5 to the right side, the extrusion rod 5 can drive the position limiting member 501 to slide to the right side, when the inclined surface of the position limiting member 501 contacts with the positioning block 406, the positioning block 406 can be extruded to the outside, when the position limiting member 501 is clamped between the two positioning blocks 406, the positioning block 406 can be inserted into the positioning hole 3, the connecting locking between the rocker arm and the shifting fork shaft is realized, when the rocker arm needs to be disassembled, the positioning shaft 6 is pulled out, the extrusion rod 5 can be automatically reset under the action of the second elastic member 503, the positioning block 406 moves out of the positioning hole 3 under the action of the first elastic member 407, at the moment, the connecting shaft 4 can be directly taken out, the positioning table 402 can support the positioning block 406 and the first elastic member 407, and the maximum moving distance of the extrusion rod 5 can be limited by the limiting plate 502.
Embodiment two:
as shown in fig. 6 to 8:
On the basis of the first embodiment, the device also comprises an operation block 7 and a limiting component; the operation block 7 is arranged at the left side of the connecting shaft 4; the limiting component is arranged on the inner side of the connecting shaft 4.
The limiting assembly comprises a mounting chute 403, a positioning chute 404 and a limiting block 601; the mounting chute 403 is arranged on the upper part of the connecting shaft 4; the positioning chute 404 is arranged on the right side of the mounting chute 403, and the positioning chute 404 is of an arc-shaped structure; the limiting block 601 is fixedly connected to the outer side face of the positioning shaft 6.
The limiting assembly further comprises a guide shaft 701, a third elastic piece 702 and a limiting shaft 703; the guide shaft 701 is fixedly connected to the right end face of the operation block 7, and the guide shaft 701 is in sliding connection with the connecting shaft 4; the limiting shaft 703 is fixedly connected to the right end face of the guide shaft 701, the limiting shaft 703 is in sliding connection with the connecting shaft 4, and an arc surface is arranged on the right side of the limiting shaft 703; the limiting shaft 703 is elastically connected with the connecting shaft 4 through a third elastic member 702.
Specific use and action of the embodiment: when the locating shaft 6 is installed, the limiting block 601 is aligned with the installation sliding groove 403, then the locating shaft 6 is pushed to the right side, when the limiting block 601 moves to the rightmost side of the installation sliding groove 403, the locating shaft 6 is rotated, the limiting block 601 slides along the locating sliding groove 404, when the limiting block 601 contacts with the circular arc surface of the locating shaft 703, the limiting block 601 can push the locating shaft 703 to slide, after the limiting block 601 passes over the locating shaft 703, the locating shaft 703 can be automatically reset under the action of the third elastic piece 702, so that the limiting block 601 is blocked, at the moment, only the locating shaft 703 can shake when the locking structure is subjected to vibration, the pressing rod 5 is always pressed by the locating shaft 6 and cannot shake, when the rocker arm is disassembled, the operating block 7 is pulled to the left side, the locating shaft 703 slides to the left side, at the moment, the locating shaft 6 can be taken down by reversely rotating the locating shaft 6, and the locating shaft 703 can be guided by the guiding shaft 701.
Claims (6)
1. A shifting fork shaft rocker arm locking structure comprises a rocker arm main body (1), a connecting hole (2), a positioning hole (3), a connecting shaft (4), an extrusion rod (5), a fixing component, a positioning shaft (6), an operation block (7) and a limiting component; the left side and the right side of the rocker arm main body (1) are respectively provided with a connecting hole (2); the upper side and the lower side of the connecting hole (2) at the right part are respectively provided with a positioning hole (3); the method is characterized in that: the connecting shaft (4) is connected to the inner sides of the two connecting holes (2) in a left-right sliding manner; the extrusion rod (5) is connected to the inner side of the connecting shaft (4) in a left-right sliding manner; the fixing component is arranged on the inner side of the connecting shaft (4); the positioning shaft (6) is connected to the left side of the connecting shaft (4) in a left-right sliding manner; the operation block (7) is arranged at the left side of the connecting shaft (4); the limiting component is arranged on the inner side of the connecting shaft (4).
2. The shift rail rocker locking structure of claim 1 wherein: the fixing assembly comprises a positioning table (402), a positioning block (406) and a first elastic piece (407); the front side and the rear side of the right part of the connecting shaft (4) are fixedly connected with a positioning table (402) respectively; the upper side and the lower side of the right part of the connecting shaft (4) are respectively connected with a positioning block (406) in an up-down sliding way, and the positioning block (406) is connected with the positioning hole (3) in an up-down sliding way; each positioning block (406) is elastically connected with the positioning table (402) through the first elastic piece (407).
3. The shift rail rocker locking structure of claim 1 wherein: the fixing assembly comprises a limiting table (401), a plug hole (405) and a pushing shaft (602); the limiting table (401) is fixedly connected to the left side of the connecting shaft (4); the plug hole (405) is formed on the left side of the connecting shaft (4); the pushing shaft (602) is fixedly connected to the right end face of the positioning shaft (6).
4. The shift rail rocker locking structure of claim 1 wherein: the fixing assembly comprises a position limiting piece (501), a limiting plate (502) and a second elastic piece (503); the position limiting piece (501) is fixedly connected to the right end face of the extrusion rod (5); the limiting plate (502) is fixedly connected to the right end face of the position limiting piece (501), and the limiting plate (502) is in sliding connection with the connecting shaft (4); the limiting plate (502) is elastically connected with the connecting shaft (4) through the second elastic piece (503).
5. The shift rail rocker locking structure of claim 1 wherein: the limiting assembly comprises a mounting chute (403), an arc-shaped positioning chute (404) and a limiting block (601); the mounting chute (403) is arranged at the upper part of the connecting shaft (4); the positioning chute (404) is arranged on the right side of the mounting chute (403); the limiting block (601) is fixedly connected to the outer side face of the positioning shaft (6).
6. The shift rail rocker locking structure of claim 1 wherein: the limiting assembly further comprises a guide shaft (701), a third elastic piece (702) and a limiting shaft (703); the guide shaft (701) is fixedly connected to the right end face of the operation block (7), and the guide shaft (701) is in sliding connection with the connecting shaft (4); the limiting shaft (703) is fixedly connected to the right end face of the guide shaft (701), and the limiting shaft (703) is in sliding connection with the connecting shaft (4); the limiting shaft (703) is elastically connected with the connecting shaft (4) through the third elastic piece (702).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323282139.3U CN221237162U (en) | 2023-12-04 | 2023-12-04 | Locking structure of shifting fork shaft rocker arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323282139.3U CN221237162U (en) | 2023-12-04 | 2023-12-04 | Locking structure of shifting fork shaft rocker arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221237162U true CN221237162U (en) | 2024-06-28 |
Family
ID=91594910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323282139.3U Active CN221237162U (en) | 2023-12-04 | 2023-12-04 | Locking structure of shifting fork shaft rocker arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221237162U (en) |
-
2023
- 2023-12-04 CN CN202323282139.3U patent/CN221237162U/en active Active
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