CN110145597B - Structure suitable for connecting shifting fork neutral gear positioning block with shifting fork and shifting fork - Google Patents

Structure suitable for connecting shifting fork neutral gear positioning block with shifting fork and shifting fork Download PDF

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Publication number
CN110145597B
CN110145597B CN201910486999.8A CN201910486999A CN110145597B CN 110145597 B CN110145597 B CN 110145597B CN 201910486999 A CN201910486999 A CN 201910486999A CN 110145597 B CN110145597 B CN 110145597B
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China
Prior art keywords
shift fork
shifting fork
block
shaped block
profile modeling
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CN201910486999.8A
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Chinese (zh)
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CN110145597A (en
Inventor
杜连征
赵书杰
张敏
王红涛
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SUZHOU DONGFENG FINEBLANKING ENGINEERING CO LTD
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SUZHOU DONGFENG FINEBLANKING ENGINEERING CO LTD
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30Constructional features of the final output mechanisms
    • F16H63/32Gear shift yokes, e.g. shift forks

Abstract

The invention provides a structure suitable for connecting a shifting fork neutral gear positioning block and a shifting fork and the shifting fork, wherein the structure suitable for connecting the shifting fork neutral gear positioning block and the shifting fork comprises: the M-shaped block is connected with the plastic wrapping piece on the shifting fork; the M-shaped block has a working face, the working face has two arch faces connected in smooth transition, the M-shaped block is arranged in a hollow mode, and the plastic wrapping piece comprises: the profile modeling part is matched with the inside of the M-shaped block, the embedding part is connected with the profile modeling part, the profile modeling part protrudes out from the surface of the embedding part, the M-shaped block is sleeved on the profile modeling part, the embedding part is wholly or partially embedded into a groove on the shifting fork, and the profile modeling part and the M-shaped block on the profile modeling part extend out from the groove. According to the structure suitable for connecting the shifting fork neutral position locating block and the shifting fork, the M-shaped block can be arranged on the plastic coated part on the shifting fork, so that firm and accurate connection between the M-shaped block and the shifting fork is realized.

Description

Structure suitable for connecting shifting fork neutral gear positioning block with shifting fork and shifting fork
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a structure suitable for connecting a shift fork neutral gear positioning block and a shift fork with the structure.
Background
The transmission shifting fork is a component used for pushing a synchronizer gear sleeve to be meshed with and separated from a shifting gear in a transmission to realize the change of the gear of the transmission. In neutral, the fork needs to be accurately fixed; when in gear, gear disengagement is prevented. The M-shaped block is provided with a middle groove and inclined planes at two sides, and the M-shaped block is matched with the spring steel ball structure to work, so that neutral position positioning and auxiliary on-gear keeping of the shifting fork can be realized. The derailleur shift fork needs to use with the cooperation of M-shaped piece, and the M-shaped piece needs to be installed on the fork body of derailleur shift fork, consequently, to how firmly, accurately to install the M-shaped piece on the shift fork, can reduce the required precision of installation position on the shift fork again simultaneously to do not cause shift fork self to warp, need put forward further solution.
Disclosure of Invention
The invention aims to provide a structure suitable for connecting a shift fork neutral gear positioning block and a shift fork and the shift fork with the structure, so as to overcome the defects in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a be suitable for structure that shift fork neutral gear locating piece and shift fork are connected, its is applied to on the shift fork, its characterized in that, be suitable for structure that shift fork neutral gear locating piece and shift fork are connected includes: the M-shaped block is connected with the plastic wrapping piece on the shifting fork;
the M-shaped block has a working face, the working face has two arch faces connected in smooth transition, the M-shaped block is arranged in a hollow mode, and the plastic wrapping piece comprises: the profile modeling part is matched with the inside of the M-shaped block, the embedding part is connected with the profile modeling part, the profile modeling part protrudes out from the surface of the embedding part, the M-shaped block is sleeved on the profile modeling part, the embedding part is wholly or partially embedded into a groove on the shifting fork, and the profile modeling part and the M-shaped block on the profile modeling part extend out from the groove.
As an improvement of the structure of the invention, the M-shaped block is a metal piece.
As an improvement of the structure of the present invention, the copying portion and the insertion portion are integrally molded by injection molding.
As an improvement of the structure of the invention, the M-shaped block is also provided with side surfaces extending from the front and rear side edges of the working surface, and the lower edges of the side surfaces are embedded into the plastic coating piece.
As an improvement of the structure of the invention, the embedding part is a cuboid matched with the shape of the groove.
As an improvement of the structure of the invention, the side wall of the groove is designed with a groove.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a shift fork, comprising: the shifting fork comprises a shifting fork body, a groove arranged on the shifting fork body and a structure which is assembled in the groove and is suitable for connecting a shifting fork neutral gear positioning block with a shifting fork.
Compared with the prior art, the invention has the beneficial effects that: the invention can firmly and accurately install the M-shaped block on the shifting fork, can reduce the precision requirement of the installation part on the shifting fork and does not cause the self deformation of the shifting fork. In addition, the use of injection molding is beneficial to reducing the overall weight of the shift fork.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an exploded perspective view of an embodiment of a shift fork neutral positioning block and shift fork connection structure of the present invention;
fig. 2 is a perspective view of a fork according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The structure suitable for connecting the shifting fork neutral position locating block and the shifting fork is used for realizing firm and accurate connection between the M-shaped block and the shifting fork.
As shown in fig. 1, the structure for connecting a shift fork neutral position block and a shift fork according to an embodiment of the present invention includes: the M-shaped block 1 and the plastic wrapping part 2 connected with the M-shaped block 1 on the shifting fork 3.
M-shaped piece 1 is used for using with shift fork 3 cooperation, and its effect lies in realizing shifting gears. In particular, the M-block 1 has a working surface 11 for gear shifting, said working surface 11 having two smoothly transitionally connected arched surfaces 111. Meanwhile, the M-block 1 further has side surfaces 112 extending from both front and rear side edges of the working surface 11. The M-shaped block 1 is arranged in a hollow manner. Preferably, in this embodiment, the M-shaped block 1 is a metal piece.
The plastic-coated part 2 comprises: a profiling part 21 following the inside of the M-block 1, and an insertion part 22 connected to the profiling part 21.
Specifically, the M-shaped block 1 is sleeved on the profile part 21, the embedding part 22 is wholly or partially embedded in a groove 31 on the shifting fork 3, and the profile part 21 and the M-shaped block 1 thereon extend out of the groove 31. Thus, the M-block 1 is firmly and accurately coupled to the fork 3 by the overmold 2. When the M-shaped block 1 is sleeved on the copying part 21, the lower edge of the side surface 112 is embedded into the plastic-coated part 2.
Further, the profile portion 21 protrudes from the surface of the insertion portion 22, and preferably, the profile portion 21 and the insertion portion 22 are integrally formed by injection molding. In this embodiment, the insertion portion 22 is designed as a rectangular parallelepiped to match the shape of the recess 31. At this time, the side wall of the groove 31 is designed with a groove to prevent the plastic coated piece 2 from falling off.
Based on the structure suitable for connecting the neutral gear positioning block and the shifting fork, the invention also provides the shifting fork with the neutral gear positioning block.
As shown in fig. 2, the shift fork 3 includes: the shifting fork comprises a shifting fork body 32, a groove 31 arranged on the shifting fork body 32 and the structure which is formed by injection molding in the groove 31 and is suitable for connecting a shifting fork neutral positioning block and a shifting fork.
In conclusion, the structure suitable for connecting the shift fork neutral position locating block and the shift fork realizes firm and accurate connection of the M-shaped block and the shift fork by arranging the plastic coating piece capable of installing the M-shaped block on the shift fork.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A structure that is suitable for shift fork neutral gear locating piece and shift fork to be connected, it is applied to on the shift fork, and it includes: m-shaped piece, M-shaped piece has the working face, the working face has the arcwall face of two smooth transition connections, M-shaped piece cavity sets up, its characterized in that, be suitable for shift fork neutral gear locating piece and shift fork connection's structure still includes: the plastic wrapping piece is connected with the M-shaped block on the shifting fork;
the plastic-coated piece comprises: the profile modeling part is matched with the inside of the M-shaped block, the embedding part is connected with the profile modeling part, the profile modeling part protrudes out from the surface of the embedding part, the M-shaped block is sleeved on the profile modeling part, the embedding part is wholly or partially embedded into a groove on the shifting fork, and the profile modeling part and the M-shaped block on the profile modeling part extend out from the groove.
2. The structure for a shift fork neutral positioning block to connect with a shift fork of claim 1, wherein the M-block is a metal piece.
3. The structure for connecting a shift fork neutral positioning block with a shift fork of claim 1, wherein the profile portion and the insertion portion are integrally formed by injection molding.
4. The structure for connecting a shift fork neutral positioning block with a shift fork of claim 1, wherein the M-block further has side surfaces extending from front and rear side edges of the working surface, and lower edges of the side surfaces are embedded in the plastic-coated member.
5. The structure for connecting a shift fork neutral positioning block with a shift fork of claim 1, wherein the insertion portion is a rectangular parallelepiped with a shape adapted to the groove.
6. The structure for connecting a shift fork neutral positioning block with a shift fork of claim 5, wherein the side wall of the groove is designed with a groove.
7. A shift fork, characterized in that the shift fork comprises: the structure is suitable for a shifting fork neutral position block to be connected with a shifting fork according to any one of claims 1 to 6.
CN201910486999.8A 2019-06-05 2019-06-05 Structure suitable for connecting shifting fork neutral gear positioning block with shifting fork and shifting fork Active CN110145597B (en)

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CN201910486999.8A CN110145597B (en) 2019-06-05 2019-06-05 Structure suitable for connecting shifting fork neutral gear positioning block with shifting fork and shifting fork

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Application Number Priority Date Filing Date Title
CN201910486999.8A CN110145597B (en) 2019-06-05 2019-06-05 Structure suitable for connecting shifting fork neutral gear positioning block with shifting fork and shifting fork

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CN110145597A CN110145597A (en) 2019-08-20
CN110145597B true CN110145597B (en) 2020-11-10

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CN111706672A (en) * 2020-06-19 2020-09-25 苏州东风精冲工程有限公司 Locking anti-rotation structure for single-hole M block of gear shifting fork
CN112885555B (en) * 2021-01-16 2022-09-16 杭州浩瀚精密科技有限公司 Shifting fork magnetic assembly

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CN101915306A (en) * 2008-10-08 2010-12-15 格特拉克·福特传动系统有限公司 Shifting device for a multiple gear gearbox with a locking device
CN202431949U (en) * 2012-01-06 2012-09-12 安徽江淮汽车股份有限公司 Shifting fork mechanism for passenger car manual transmission

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CN101915306A (en) * 2008-10-08 2010-12-15 格特拉克·福特传动系统有限公司 Shifting device for a multiple gear gearbox with a locking device
CN202431949U (en) * 2012-01-06 2012-09-12 安徽江淮汽车股份有限公司 Shifting fork mechanism for passenger car manual transmission

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