Shuttle type gear shifting fork

Abstract

The utility model belongs to the technical field of automobile parts, and provides a shuttle type gear shifting fork which comprises a body part, a first protruding part, a second protruding part, a first extension arm and a second extension arm. Wherein the body part is cylindrical; the first protruding part protrudes from the surface of the body part in the radial direction of the body part. The second protruding part and the first protruding part are arranged in a spaced mode in the axial direction of the body part. The second protruding part protrudes from the surface of the body part, and the protruding direction is parallel to the first protruding part. The first extension arm is connected to the body part and extends from the central axis of the first protruding part to the direction away from the second protruding part, and a cylindrical first installation part is formed at the end, away from the body part, of the first extension arm. The second extending arm is connected to the body part and extends from the central axis of the second protruding part to the direction away from the first protruding part, and a second mounting part coaxial with the first mounting part is formed at the end, away from the body part, of the second extending arm.

Description

Technical Field

[0001] This application belongs to the field of automotive parts technology, and in particular relates to a shuttle shift fork. Background Technology

[0002] The gear shift fork is a key component of a car's transmission, responsible for switching between different gears through driver input. Traditional gear shift forks are mostly simple rod-shaped or plate-shaped structures, connecting the shift shaft and the shift mechanism to complete gear changes. With the continuous advancement of automotive technology, the requirements for the precision, strength, and durability of gear shift forks are becoming increasingly stringent. Although existing gear shift forks meet basic shifting needs to a certain extent, some shortcomings still exist in practical applications. Especially under high-load, high-frequency shifting operations, the structural strength of traditional gear shift forks often cannot withstand the load, easily leading to deformation, breakage, and other malfunctions, seriously affecting the reliability and service life of the transmission. Therefore, it is necessary to solve these technical problems. Utility Model Content

[0003] The purpose of this application is to provide a shuttle-type shift fork to solve the technical problem of insufficient structural strength of the shift fork in the prior art.

[0004] To achieve the above objectives, the technical solution adopted in this application is: to provide a shuttle-type shift fork, comprising:

[0005] The main body is cylindrical;

[0006] The first protrusion protrudes radially from the surface of the body portion;

[0007] The second protrusion is spaced apart from the first protrusion along the axial direction of the body portion, and the second protrusion protrudes from the surface of the body portion and the protrusion direction is parallel to the first protrusion.

[0008] A first extension arm is connected to the body portion and extends away from the second protrusion along the central axis of the first protrusion portion. The end of the first extension arm away from the body portion forms a cylindrical first mounting portion.

[0009] The second extension arm is connected to the body portion and extends away from the first protrusion along the central axis of the second protrusion. The end of the second extension arm away from the body portion forms a second mounting portion coaxially disposed with the first mounting portion.

[0010] Optionally, the first extension arm includes a first extension segment and a second extension segment connected end to end;

[0011] The main body is connected to the first extension, the first mounting portion is formed on the second extension, and an arched notch is recessed on the second extension and spaced apart from the first mounting portion.

[0012] Optionally, the second extension arm includes a third extension segment and a fourth extension segment connected end to end;

[0013] The main body is connected to the third extension, the second mounting portion is formed on the fourth extension, and the third extension and the first extension are symmetrically arranged about the axial center of the main body.

[0014] Optionally, a third mounting portion is formed on the second extension arm;

[0015] The third mounting part is connected to the second mounting part, and the side surface of the third mounting part facing away from the main body is arc-shaped.

[0016] Optionally, the cross-section of the third mounting portion gradually decreases in the radial direction of the second mounting portion.

[0017] Optionally, the axial directions of both the first mounting portion and the second mounting portion are parallel to the axial direction of the main body portion.

[0018] Optionally, both the first protrusion and the second protrusion are cylindrical.

[0019] The beneficial effects of the shuttle-type shift fork provided in this application are as follows: Compared with the prior art, in the shuttle-type shift fork provided in this application, the second extension arm extending away from the first protrusion can cooperate with the first extension arm extending away from the second protrusion and the body to form the basic structure of the shuttle-type shift fork. Since the ends of the first extension arm and the second extension arm connected to the body are respectively located on the central axes of the first protrusion and the second protrusion, and since the extending directions of the first protrusion and the second protrusion are parallel to each other, the shuttle-type shift fork provided in this application can be subjected to force more evenly during operation, thereby giving it better structural strength and a longer service life, which is far superior to the prior art. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of the shuttle shift fork in the embodiments of this application;

[0022] Figure 2 This is a top view of the shuttle shift fork in an embodiment of this application.

[0023] Figure 3 This is a side view of the shuttle shift fork in an embodiment of this application.

[0024] Figure 4 For along Figure 2 Cross-sectional view of line AA in the middle.

[0025] In the figures, the reference numerals are as follows: 101, main body; 102, first protrusion; 103, second protrusion; 104, first extension arm; 105, second extension arm; 141, first mounting part; 142, first extension section; 143, second extension section; 144, arched notch; 151, second mounting part; 152, third extension section; 153, fourth extension section; 154, third mounting part. Detailed Implementation

[0026] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0027] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0028] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0030] Please refer to the following: Figures 1 to 4The present application will now describe a shuttle-type shift fork according to an embodiment. This shuttle-type shift fork includes a body portion 101, a first protrusion 102, a second protrusion 103, a first extension arm 104, and a second extension arm 105. Wherein:

[0031] The main body 101 is cylindrical; a first protrusion 102 protrudes radially from the surface of the main body 101; a second protrusion 103 is spaced apart from the first protrusion 102 along the axial direction of the main body 101, and the second protrusion 103 protrudes from the surface of the main body 101 and the protrusion direction is parallel to the first protrusion 102; a first extension arm 104 is connected to the main body 101 and extends away from the second protrusion 103 along the central axis of the first protrusion 102, and the end of the first extension arm 104 away from the main body 101 forms a cylindrical first mounting portion 141; a second extension arm 105 is connected to the main body 101 and extends away from the first protrusion 102 along the central axis of the second protrusion 103, and the end of the second extension arm 105 away from the main body 101 forms a second mounting portion 151 coaxially arranged with the first mounting portion 141. In this embodiment, the main body 101, the first protrusion 102 and the second protrusion 103 are respectively used to process through holes along their own axial direction. In this way, when the main body 101 is installed in place, the fasteners used to fix the main body 101 can lock the main body 101 through the through holes processed on the first protrusion 102 and the second protrusion 103.

[0032] According to the structure provided in this embodiment, in the spindle-shaped shift fork provided in this embodiment, the second extension arm 105 extending away from the first protrusion 102 can cooperate with the first extension arm 104 extending away from the second protrusion 103 and the body portion 101 to form the basic structure of the spindle-shaped shift fork. Since the ends of the first extension arm 104 and the second extension arm 105 connected to the body portion 101 are respectively located on the central axis of the first protrusion 102 and the second protrusion 103, and since the extending directions of the first protrusion 102 and the second protrusion 103 are parallel to each other, the spindle-shaped shift fork provided in this embodiment can be subjected to force more evenly during operation, thereby giving it better structural strength and a longer service life, which is far superior to the prior art.

[0033] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 4The first extension arm 104 includes a first extension segment 142 and a second extension segment 143 connected end to end; the body portion 101 is connected to the first extension segment 142, and a first mounting portion 141 is formed on the second extension segment 143, with an arched notch 144 recessed on the second extension segment 143 and spaced apart from the first mounting portion 141. According to the structure provided in this embodiment, the arched notch 144 formed on the second extension segment 143 can not only be used to avoid other mechanical parts, but also eliminate the concentrated stress on the first extension arm 104, thereby giving the first extension arm 104 better structural strength. This is beneficial to further improve the structural strength of the shuttle shift fork in this embodiment.

[0034] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 4 The second extension arm 105 includes a third extension segment 152 and a fourth extension segment 153 connected end to end; the main body 101 is connected to the third extension segment 152, and the second mounting portion 151 is formed on the fourth extension segment 153. The third extension segment 152 and the first extension segment 142 are symmetrically arranged about the axial center plane of the main body 101. According to the structure provided in this embodiment, the symmetrically arranged third extension segment 152 and first extension segment 142 can make the spindle-shaped shift fork provided in this embodiment more evenly stressed during operation, which is beneficial to further improve the structural strength of the spindle-shaped shift fork in this embodiment.

[0035] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 4 A third mounting portion 154 is formed on the second extension arm 105. The third mounting portion 154 is connected to the second mounting portion 151, and the surface of the third mounting portion 154 facing away from the main body 101 is arc-shaped. According to the structure provided in this embodiment, the third mounting portion 154 formed on the second extension arm 105 can serve as a limiting structure for the shuttle shift fork in this embodiment, and can also serve as a detection object for the target position sensor, allowing the operator to quickly obtain the position information of the shuttle shift fork, thus having a good usage effect. In addition, since the surface of the third mounting portion 154 facing away from the main body 101 is arc-shaped, the third mounting portion 154 can have better structural strength, which is also conducive to further improving the structural strength of the shuttle shift fork in this embodiment.

[0036] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 4 The cross-sectional area of ​​the third mounting portion 154 gradually decreases in the radial direction of the second mounting portion 151. According to the structure provided in this embodiment, the gradually decreasing cross-sectional area of ​​the third mounting portion 154 in the radial direction of the second mounting portion 151 allows the shuttle shift fork provided in this embodiment to have better steering flexibility, thereby significantly extending its service life.

[0037] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 4 The axial directions of the first mounting portion 141 and the second mounting portion 151 are both parallel to the axial direction of the main body portion 101. According to the structure provided in this embodiment, setting the axial directions of the first mounting portion 141 and the second mounting portion 151 to be parallel to the axial direction of the main body portion 101 can make the spindle shift fork in this embodiment more balanced in terms of force during operation, which is also conducive to further improving the structural strength of the spindle shift fork in this embodiment.

[0038] In another embodiment of this application, please refer to [the relevant document / reference]. Figures 1 to 4 Both the first protrusion 102 and the second protrusion 103 are cylindrical. According to the structure provided in this embodiment, the cylindrical first protrusion 102 and the second protrusion 103 can form a more stable connection with the body portion 101, which is beneficial to further improve the structural strength of the shuttle shift fork in this embodiment.

[0039] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A shuttle-type shift fork, characterized in that, include: The main body (101) is cylindrical; The first protrusion (102) protrudes radially from the surface of the body portion (101); The second protrusion (103) is spaced apart from the first protrusion (102) along the axial direction of the body portion (101). The second protrusion (103) protrudes from the surface of the body portion (101) and the protrusion direction is parallel to the first protrusion (102). A first extension arm (104) is connected to the body portion (101) and extends from the central axis of the first protrusion (102) in a direction away from the second protrusion (103). The end of the first extension arm (104) away from the body portion (101) forms a cylindrical first mounting portion (141). The second extension arm (105) is connected to the body portion (101) and extends away from the first protrusion (102) along the central axis of the second protrusion (103). The end of the second extension arm (105) away from the body portion (101) forms a second mounting portion (151) coaxially disposed with the first mounting portion (141).

2. The shuttle shift fork as described in claim 1, characterized in that: The first extension arm (104) includes a first extension segment (142) and a second extension segment (143) connected end to end. The main body (101) is connected to the first extension (142), the first mounting part (141) is formed on the second extension (143), and the second extension (143) has an arched notch (144) recessed therebetween with the first mounting part (141).

3. The shuttle shift fork as described in claim 2, characterized in that: The second extension arm (105) includes a third extension segment (152) and a fourth extension segment (153) connected end to end. The main body (101) is connected to the third extension (152), the second mounting part (151) is formed on the fourth extension (153), and the third extension (152) and the first extension (142) are symmetrically arranged about the axial center plane of the main body (101).

4. The shuttle shift fork as described in any one of claims 1-3, characterized in that: A third mounting portion (154) is formed on the second extension arm (105). The third mounting part (154) is connected to the second mounting part (151), and the surface of the third mounting part (154) facing away from the main body part (101) is arc-shaped.

5. The shuttle shift fork as described in claim 4, characterized in that: The cross-section of the third mounting part (154) in the radial direction of the second mounting part (151) gradually decreases.

6. The shuttle shift fork as described in claim 1, characterized in that: The axial directions of the first mounting portion (141) and the second mounting portion (151) are both parallel to the axial direction of the main body portion (101).

7. The shuttle shift fork as described in claim 1, characterized in that: Both the first protrusion (102) and the second protrusion (103) are cylindrical.

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