CN211145321U - Shifting fork - Google Patents

Abstract

The utility model provides a shift fork of shifting, including shifting the fork body, shift the fork body including relative first shifting fork arm and the relative first shifting fork arm of setting and second shifting fork arm structure as an organic whole, first shifting fork arm and second shifting fork arm combination are annular and the angle is 250 and give good care 270, all be equipped with shifting fork axle mounting hole and two shifting fork axle mounting hole symmetries on first shifting fork arm and the second shifting fork arm and set up, be connected with the dead lever between each shifting fork axle mounting hole, be equipped with arc reinforcing plate and two arc reinforcing plates respectively and first shifting fork arm and second shifting fork arm fixed connection along the outside of first shifting fork arm and second shifting fork arm on two shifting fork axle mounting holes. The utility model provides a pair of shift fork of shifting, simple structure, the frictional force that receives is little, long service life.

Description

Shifting fork

Technical Field

The utility model relates to a motor vehicle variable speed technical field, in particular to shift fork of shifting.

Background

The shifting fork pushes the sliding gear, the shifting fork with an annular groove is arranged on the sliding gear and rides in the annular groove, when a driver pushes the gear lever, the gear lever drives the shifting fork shaft, the shifting fork shaft drives the shifting fork, the shifting fork pushes the gear again to achieve speed change, the most easily worn place of the shifting fork is the position where the shifting fork is contacted with the annular groove of the gear, and the shifting fork is worn or not strong enough because the gear rotates at a high speed, so that the gear can not be hung in the position and can fall off, or the shifting fork is broken off.

SUMMERY OF THE UTILITY MODEL

Not enough to the above among the prior art, the utility model provides a shift fork of shifting, its compact structure, the wearability is good, longe-lived, convenient popularization.

In order to achieve the above object, the utility model adopts the following technical scheme:

a gear shifting fork comprises a fork body, wherein the fork body comprises a first fork arm and a second fork arm which are oppositely arranged, the first fork arm and the second fork arm are of an integral structure, the first fork arm and the second fork arm are combined into a ring shape, the angle is 250 plus 270 degrees, fork shaft mounting holes are formed in the first fork arm and the second fork arm respectively, two fork shaft mounting holes are symmetrically arranged, a fixed rod is connected between the fork shaft mounting holes, arc-shaped reinforcing plates are arranged on the two fork shaft mounting holes respectively along the outer sides of the first fork arm and the second fork arm and are fixedly connected with the first fork arm and the second fork arm respectively, three mounting holes are formed in the first fork arm and the second fork arm in an annular array mode, the ends of the mounting holes far away from the arc-shaped reinforcing plates are of an arc surface shape, a limiting ball is arranged in each mounting hole and protrudes out of the mounting hole, locate locating part and locating part in the mounting hole and contradict with spacing ball, the one end that spacing ball was kept away from to the locating part is equipped with compensating spring, one side that compensating spring kept away from the locating part is equipped with screw thread compression bar and mounting hole threaded connection.

As an improvement, the first shifting fork arm, the second shifting fork arm and the fixed rod are respectively provided with a threaded hole for the threaded pressing rod to pass through and be in threaded connection.

As the improvement, the locating part includes the cambered surface limiting plate of parcel spacing ball, cambered surface limiting plate is kept away from spacing ball one side and is equipped with the gag lever post and compensation spring cup joints on the gag lever post.

As the improvement, the end part of the thread pressing rod close to the limiting part is provided with a clamping hole for clamping the limiting rod.

As an improvement, the limiting balls are all made of alloy steel.

The utility model has the advantages that:

the utility model discloses simple structure, be equipped with spacing ball and spacing ball in the mounting hole and bulge from the mounting hole, the spacing ball that can use alloy steel preparation carries on slide gear spacingly, less frictional force has, compensating spring can compensate wearing and tearing, prevent that the gear from hanging not in place, and the shelves that fall, or the shift fork falls absolutely, all be equipped with on first shifting fork arm, second shifting fork arm and the dead lever and supply the screw thread to compress tightly the screw hole that the pole passed and threaded connection, can strengthen the engaging force of screw thread compression bar, prevent that spacing ball from droing.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure A of the present invention;

reference symbol comparison table:

the shifting fork comprises a shifting fork body 1, a first shifting fork arm 11, a second shifting fork arm 12, a mounting hole 13, a limiting ball 14, a limiting part 15, a limiting plate 151, a cambered surface limiting plate 152, a limiting rod 16, a compensating spring 17, a threaded pressing rod 171, a clamping hole 2, a shifting fork shaft mounting hole 3, a fixed rod and an arc-shaped reinforcing plate 4.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention.

As shown in fig. 1 and 2, a gear shift fork comprises a fork body 1, wherein the fork body 1 comprises a first fork arm 11 and a second fork arm 12 which are oppositely arranged, the first fork arm 11 and the second fork arm 12 are of an integral structure, the first fork arm 11 and the second fork arm 12 are combined into a ring shape, the angle is 250-270 degrees, fork shaft mounting holes 2 are respectively arranged on the first fork arm 11 and the second fork arm 12, the two fork shaft mounting holes 2 are symmetrically arranged, a fixing rod 3 is connected between the fork shaft mounting holes 2, arc-shaped reinforcing plates 4 are respectively arranged on the two fork shaft mounting holes 2 along the outer sides of the first fork arm 11 and the second fork arm 12, the two arc-shaped reinforcing plates 4 are respectively fixedly connected with the first fork arm 11 and the second fork arm 12, three mounting holes 13 are arranged in an annular array on the first fork arm 11 and the second fork arm 12, the end, far away from the arc reinforcing plate 4, of the mounting hole 13 is arc-surface-shaped, a limiting ball 14 is arranged in the mounting hole 13, the limiting ball 14 protrudes from the mounting hole 13, a limiting part 15 is arranged in the mounting hole 13, the limiting part 15 abuts against the limiting ball 14, a compensating spring 16 is arranged at one end, far away from the limiting ball 14, of the limiting part 15, and a threaded pressing rod 17 is arranged on one side, far away from the limiting part 15, of the compensating spring 16 and is in threaded connection with the mounting hole 13.

And threaded holes for the threaded pressing rod 17 to penetrate through and be in threaded connection are formed in the first shifting fork arm 11, the second shifting fork arm 12 and the fixed rod 3.

The limiting member 15 includes an arc limiting plate 151 wrapping the limiting ball 14, and a limiting rod 152 is arranged on one side of the arc limiting plate 151 away from the limiting ball 14, and the compensating spring 16 is sleeved on the limiting rod 152.

The end part of the screw pressing rod 17 close to the limiting part 15 is provided with a clamping hole 171 for clamping the limiting rod 152.

The limiting ball 14 is made of alloy steel.

In the device use, put into first declutch arm 11 and second declutch arm 12 with sliding gear between and inboard, put into mounting hole 13 with spacing ball 14 in, support spacing ball 14 (cambered surface limiting plate 151 and spacing ball 14 laminating) with locating part 15, spacing ball 14 protruding portion sets up in the annular in the sliding gear outside, with the spring housing on gag lever post 152, compress tightly pole 17 and first declutch arm 11 with the screw thread, screw hole on second declutch arm 12 or the dead lever 3 is connected the back and mounting hole 13 threaded connection, thereby compress tightly spacing ball 14 and carry on spacingly to sliding gear, declutch shaft mounting hole can use with declutch shaft coupling.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. A gear shifting fork comprises a fork body (1) and is characterized in that the fork body (1) comprises a first fork arm (11) and a second fork arm (12) which are oppositely arranged, the first fork arm (11) and the second fork arm (12) are of an integral structure, the first fork arm (11) and the second fork arm (12) are combined into a ring shape, the angle is 250-270 degrees, fork shaft mounting holes (2) are formed in the first fork arm (11) and the second fork arm (12), the two fork shaft mounting holes (2) are symmetrically arranged, a fixing rod (3) is connected between the fork shaft mounting holes (2), arc-shaped reinforcing plates (4) are arranged on the two fork shaft mounting holes (2) along the outer sides of the first fork arm (11) and the second fork arm (12) respectively, and the two arc-shaped reinforcing plates (4) are fixedly connected with the first fork arm (11) and the second fork arm (12) respectively, annular array is equipped with three mounting hole (13) on first declutch arm (11) and second declutch arm (12), arc reinforcing plate (4) end is kept away from in mounting hole (13) is the arc surface form, be equipped with spacing ball (14) and spacing ball (14) in mounting hole (13) and protruding in mounting hole (13), establish in mounting hole (13) and locate locating part (15) and conflict with spacing ball (14), the one end that spacing ball (14) were kept away from in locating part (15) is equipped with compensating spring (16), one side that limiting part (15) were kept away from in compensating spring (16) is equipped with screw thread compression bar (17) and mounting hole (13) threaded connection.

2. A shift fork according to claim 1, wherein: and threaded holes for the threaded pressing rod (17) to penetrate through and be in threaded connection are formed in the first shifting fork arm (11), the second shifting fork arm (12) and the fixing rod (3).

3. A shift fork according to claim 1, wherein: the limiting part (15) comprises an arc surface limiting plate (151) wrapping the limiting ball (14), and one side, away from the limiting ball (14), of the arc surface limiting plate (151) is provided with a limiting rod (152) and a compensating spring (16) which is sleeved on the limiting rod (152).

4. A shift fork according to claim 2, wherein: the end part of the thread pressing rod (17) close to the limiting part (15) is provided with a clamping hole (171) for clamping the limiting rod (152).

5. A shift fork according to claim 3, wherein: the limiting ball (14) is made of alloy steel.

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