阅读说明：本技术 一种用于离合器操纵机构的分离拨叉 (A separation shift fork for clutch operating mechanism ) 是由 项辉 张波 周碧海 李文飞 于 2020-05-29 设计创作，主要内容包括：本发明涉及离合器操作机构技术领域,公开了一种用于离合器操纵机构的分离拨叉,包括拨叉和至少一个滚动轴承,拨叉包括拨叉座以及对称设置于拨叉座的一侧的两个拨叉臂；滚动轴承可转动连接于拨叉臂且其外周面抵接于分离轴承。本发明能有效避免拨叉和滑动轴承磨损。(The invention relates to the technical field of clutch operating mechanisms, and discloses a release shifting fork for a clutch operating mechanism, which comprises a shifting fork and at least one rolling bearing, wherein the shifting fork comprises a shifting fork seat and two shifting fork arms symmetrically arranged on one side of the shifting fork seat; the rolling bearing is rotatably connected to the shifting fork arm, and the peripheral surface of the rolling bearing is abutted against the release bearing. The invention can effectively avoid the abrasion of the shifting fork and the sliding bearing.)

1. A release fork for a clutch operating mechanism, comprising:

the shifting fork comprises a shifting fork seat and two shifting fork arms symmetrically arranged on one side of the shifting fork seat;

and the rolling bearing is rotatably connected to the shifting fork arm, and the peripheral surface of the rolling bearing is abutted to the separation bearing.

2. The release fork for a clutch operating mechanism according to claim 1, wherein the number of the rolling bearings is two, and two rolling bearings are disposed between two fork arms and coaxially disposed.

3. The release fork according to claim 2, wherein a threaded hole is formed at an end of each fork arm remote from the fork base, the rolling bearings are disposed in one-to-one correspondence with the fork arms, a counter bore is coaxially formed at an inner ring of each rolling bearing, the counter bore includes a first fixing hole and a second fixing hole coaxially formed therein, the first fixing hole and the second fixing hole are coaxially formed with the threaded hole, the second fixing hole has a diameter larger than that of the first fixing hole, the release fork further includes two fixing pins, the fixing pins are disposed in one-to-one correspondence with the rolling bearings, each fixing pin includes a coaxially connected shaft body and a cap, an external thread is coaxially formed at an outer circumferential surface of the shaft body, and the rotatable shaft body passes through the second fixing hole and the first fixing hole and is threadedly connected to the threaded hole, the diameter of the cap is larger than the diameters of the shaft body and the first fixing hole, and the cap is arranged in the second fixing hole.

4. The release fork according to claim 3, wherein a fixing sleeve is formed at one end of the release bearing in a protruding manner, the fixing sleeve is coaxially disposed with the release bearing, an annular groove is formed in an outer wall of the fixing sleeve along a circumferential direction, the annular groove is coaxially disposed with the fixing sleeve, a through hole is formed at one end of each fork arm away from the fork base, the release fork further comprises a clamp made of spring steel, the clamp comprises a frame body and two clamping portions, the frame body is in a T shape, the frame body is clamped in the annular groove, the two clamping portions are respectively disposed at two ends of the frame body, each clamping portion comprises a clamping section and a connecting section, the clamping section is in an L shape, and a right-angled edge of the clamping section is inserted in the through hole, one end of the connecting section is connected to the other right-angle side of the clamping section, and the other end of the connecting section is connected to the end of the frame body.

5. The release fork for a clutch operating mechanism according to claim 4, wherein a right-angled edge of the snap section is inserted from an end of the through hole remote from the release bearing.

Technical Field

The invention relates to the technical field of clutch operating mechanisms, in particular to a release shifting fork for a clutch operating mechanism.

Background

Chinese patent application No. 201420788919.7 discloses a pull-type clutch release bearing, which comprises a release bearing and is characterized in that a release pull lug is arranged at the front end of the release bearing, a clamping bulge is arranged on one side of the release pull lug, and an installation platform is arranged on the other side of the clamping bulge. When the bearing is connected with the release fork, the release fork is rotated clockwise to a limit position, the release bearing is moved rightwards, and meanwhile, the release fork is rotated anticlockwise, so that the release bearing and the release fork can be connected in place.

Disclosure of Invention

The invention aims to overcome the technical defects and provide a release fork for a clutch control mechanism, which solves the technical problem that the contact point of the fork and a release bearing is abraded in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a release fork for a clutch operating mechanism, including:

the shifting fork comprises a shifting fork seat and two shifting fork arms symmetrically arranged on one side of the shifting fork seat;

and the rolling bearing is rotatably connected to the shifting fork arm, and the peripheral surface of the rolling bearing is abutted to the separation bearing.

Compared with the prior art, the invention has the beneficial effects that: the gearbox is a epaxial slip of release bearing sleeve locates, the in-process shift fork that clutch operating system put into gear promotes release bearing and slides, and is concrete, the shift fork seat rotates and drives the rotation of shift fork arm, the shift fork arm rotates and promotes release bearing and slides, the shift fork arm passes through antifriction bearing butt in release bearing, the sliding friction between shift fork arm and the release bearing originally becomes the sliding friction between antifriction bearing and the release bearing, can reduce release bearing and the wearing and tearing of shift fork arm greatly, the jamming appears when having avoided release bearing to slide at the gearbox.

Drawings

FIG. 1 is a three-dimensional schematic of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged partial schematic view at A of this FIG. 2;

FIG. 4 is a schematic structural view from another perspective of the present invention;

fig. 5 is a sectional view taken along line B-B in fig. 4:

FIG. 6 is a three-dimensional schematic view of the fork, roller bearing, retaining pin and clamp of the present invention;

FIG. 7 is a schematic view of the structure of the fork, the roller bearing and the fixing pin of the present invention;

FIG. 8 is a cross-sectional view taken along line C-C of FIG. 7;

FIG. 9 is a three-dimensional schematic view of a clamp band of the present invention;

fig. 10 is a schematic view of the structure of the clip of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The invention provides a release fork for a clutch control mechanism, which comprises a fork 1 and at least one rolling bearing 2, wherein the fork 1 comprises a fork seat 11 and two fork arms 12 symmetrically arranged on one side of the fork seat 11, as shown in figures 1 to 10.

The rolling bearing 2 is rotatably connected to the yoke arm 12 and its outer circumferential surface abuts against the release bearing 3.

Specifically, the outer ring of the rolling bearing 2 is rotatable relative to the inner ring fixed to the fixing pin 4, and the outer ring of the rolling bearing 2 is rotatable relative to the release bearing 3.

Further, the number of the rolling bearings 2 is two, and the two rolling bearings 2 are arranged between the two fork arms 12 and are coaxially arranged.

Furthermore, one end of each shifting fork arm 12, which is far away from the shifting fork seat 11, is provided with a threaded hole, the rolling bearings 2 and the shifting fork arms 12 are arranged in a one-to-one correspondence manner, an inner ring of each rolling bearing 2 is coaxially provided with a counter bore, the counter bore comprises a first fixing hole and a second fixing hole which are coaxially arranged, the first fixing hole and the second fixing hole are coaxially arranged with the threaded hole, the diameter of the second fixing hole is larger than that of the first fixing hole, the separation shifting fork for the clutch control mechanism further comprises two fixing pins 4, the fixing pins 4 and the rolling bearings 2 are arranged in a one-to-one correspondence manner, each fixing pin 4 comprises a shaft body 41 and a cap 42 which are coaxially connected, the outer peripheral surface of the shaft body 41 is coaxially provided with external threads, the shaft body 41 can rotatably penetrate through the second fixing hole and the first fixing hole and is in threaded connection with the threaded hole, and the diameter of the, the cap 42 is built in the second fixing hole.

Furthermore, one end of the release bearing 3 protrudes outwards to form a fixed sleeve 5, the fixed sleeve 5 and the release bearing 3 are coaxially arranged, the outer wall of the fixed sleeve 5 is provided with an annular groove along the circumferential direction, the annular groove is coaxial with the fixed sleeve 5, one end of each shifting fork arm 12 far away from the shifting fork seat 11 is provided with a through hole, a separation shift fork for clutch operating mechanism still includes clamp 6, and clamp 6 is made for the spring steel, and clamp 6 includes framework 61, two joint portion 62, and framework 61 is "T" font, framework 61 joint in the ring channel, two joint portion 62 set up respectively in the both ends of framework 61, and each joint portion 62 includes joint section 621, linkage segment 622, and joint section 621 is L shape, and joint section 621's a right angle limit is inserted and is located the through-hole, linkage segment 622's one end is connected in another right angle limit of joint section 621, and the other end of linkage segment 622 is connected in the tip of framework 61.

Specifically, an included angle exists between the clamping section 621 and the connecting section 622, and further specifically, the degree of the included angle is 7 degrees.

Through with the design contained angle between joint section 621 and the linkage segment 622, make to have rotatable elastic force relatively between joint section 621 and the linkage segment 622, when declutch arm 12 pivoted in-process, declutch arm 12 can drive joint section 621 and can take place to rotate relative to the linkage segment 622, there is elastic restoring force behind joint section 621 and the linkage segment 622 deformation, can be with 2 butt of antifriction bearing on release bearing 3, avoid antifriction bearing 2 and the separation of release bearing 3, avoid abrupt contact between antifriction bearing 2 and the release bearing 3, avoid the unstable stress that abrupt contact produced.

Specifically, a right-angled edge of the clamping section 621 is inserted from an end of the through hole away from the release bearing 3.

The specific working process of the invention is as follows: the release bearing 3 is slidably sleeved on a first shaft 7 of the gearbox, the shifting fork 1 pushes the release bearing 3 to slide relative to the first shaft 7 of the gearbox in the process of engaging a clutch operating system, specifically, the shifting fork seat 11 rotates to drive the shifting fork arm 12 to rotate, the shifting fork arm 12 rotates to push the release bearing 3 to slide relative to the first shaft 7 of the gearbox, the shifting fork arm 12 is abutted against the release bearing 3 through the rolling bearing 2, the original sliding friction between the shifting fork arm 12 and the release bearing 3 is changed into the sliding friction between the rolling bearing 2 and the release bearing 3, the abrasion between the release bearing 3 and the shifting fork arm 12 can be greatly reduced, the clamping stagnation of the release bearing 3 when the release bearing 3 slides on the first shaft 7 of the gearbox is avoided, the shifting fork arm 12 is connected to the release bearing 3 through the hoop 6, the separation of the shifting fork arm 12 and the release bearing 3 is avoided, and relative to a clutch which separates the shifting, the vibrations and abnormal sounds that occur when there is sudden contact between the rotating yoke arm 12 and the release bearing 3 are avoided.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.