CN214117788U - Shifting fork assembly capable of achieving rapid reversing - Google Patents

Abstract

The utility model discloses a shifting fork assembly capable of quickly reversing, which comprises a first square shaft head, a second square shaft head, a reverse locking ratchet block, a reverse locking shifting sheet, a large shifting fork, a latch bolt shifting sheet, a reset spring and a clutch lever, wherein a first driving sheet extends outwards from the edge of the first square shaft head, and a first reverse locking groove and a first clutch groove are arranged on the outer wall of the first square shaft head; a second driving piece extends outwards from the edge of the second square shaft head; the large shifting fork penetrates through the accommodating groove along the axis direction and is provided with a clutch hole and a placing groove, a detachable limiting column is arranged on one end face of the third extending block close to the first square shaft head, and the anti-locking shifting sheet is sleeved outside the first square shaft head; the reverse lock ratchet block falls into the first reverse lock groove and the second reverse lock groove under the action of gravity, when the first square shaft head is rotated clockwise, the first square shaft head drives the limiting column to rotate clockwise through the first driving piece, and the limiting column drives the large shifting fork to rotate clockwise; its advantages are easy commutation, high versatility and low cost.

Description

Shifting fork assembly capable of achieving rapid reversing

Technical Field

The utility model belongs to the technical field of the electronic lock technique and specifically relates to a can quick switching-over shift fork subassembly.

Background

At present, parts of lock bodies on the market need to be replaced when front and back reversing is involved, so that the operation is troublesome and can be performed by professional personnel; the inner square shaft head and the outer square shaft head designed for realizing reversing of part of the lock body are inconsistent, so that the inner square shaft head and the outer square shaft head are respectively required to be customized, and the product cost is increased; meanwhile, special installation and explanation are needed, and the universality is poor; when part of the lock body is lifted upwards and reversely locked, the front handle and the rear handle are linked, so that certain risk exists in the safety of the lock; partial lock body can be unblanked when rotatory handle is greater than 90 degrees, leads to the tool to lock to have certain risk.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing a shifting fork component capable of quickly reversing.

The utility model discloses a technical scheme:

a shifting fork assembly capable of reversing rapidly comprises a first square shaft head, a second square shaft head, a reverse locking ratchet block, a reverse locking shifting piece, a large shifting fork, a latch shifting piece, a return spring and a clutch lever, wherein a first driving piece extends outwards from the edge of the first square shaft head, a first reverse locking groove and a first clutch groove are formed in the outer wall of the first square shaft head, one end face of the first reverse locking groove is a vertical face, and the other end face of the first reverse locking groove is an arc-shaped face; a second driving piece extends outwards from the edge of the second square shaft head, a second anti-locking groove and a second clutch groove are formed in the outer wall of the second square shaft head, one end face of the second anti-locking groove is a vertical face, and the other end face of the second anti-locking groove is an arc face; the large shifting fork is provided with a containing groove in the axial direction in a penetrating way, a first square shaft head is rotationally arranged on one side of the containing groove, a second square shaft head is rotationally arranged on the other side of the containing groove, a first anti-locking groove corresponds to a second anti-locking groove, a first clutch groove corresponds to a second clutch groove, first extending blocks, second extending blocks and third extending blocks are alternately arranged on the side wall of the large shifting fork, a clutch hole communicated with the containing groove is formed in the first extending blocks in a penetrating way, the clutch hole is respectively butted with the first clutch groove and the second clutch groove, a clutch rod is arranged in the clutch hole, a reset spring is compressed and arranged in the clutch hole, the clutch rod can move back and forth along the clutch hole, the first clutch groove and the second clutch groove, a limiting bulge is arranged on one end face of the large shifting fork, a placing groove is arranged on the second extending block, the placing groove is positioned at the top of the containing groove and is communicated with the containing groove, the placing groove is respectively butted with the first reverse locking groove and the second reverse locking groove, a reverse locking ratchet block which can move along the placing groove, the first reverse locking groove and the second reverse locking groove is inserted in the placing groove, a detachable limiting column is arranged on one end face, close to the first square shaft head, of the third extending block, or a detachable limiting column is arranged on one end face, close to the second square shaft head, of the third extending block, the reverse locking shifting piece is sleeved outside the first square shaft head, an arc-shaped groove is formed in the inner wall of the reverse locking shifting piece, and the limiting protrusion is inserted in the arc-shaped groove and can slide along the arc-shaped groove; an arc-shaped block extends from the outer wall of the latch bolt shifting piece, the latch bolt shifting piece is sleeved outside the second square shaft head, and one end face of the arc-shaped block is in contact with the end face of the first extending block;

when the third extending block is provided with a detachable limiting column at one end face close to the first square shaft head, the limiting column is positioned at the same side of the first driving sheet and the back locking shifting sheet;

the anti-lock ratchet block falls into the first anti-lock groove and the second anti-lock groove under the action of gravity, when the first square shaft head is rotated clockwise, the first square shaft head drives the limiting column to rotate clockwise through the first driving piece, the limiting column drives the large shifting fork to rotate clockwise, and the first extending block of the large shifting fork drives the latch bolt shifting piece to rotate clockwise; when the first square shaft head rotates anticlockwise, the first square shaft head drives the large shifting fork to rotate anticlockwise through the reverse locking ratchet block, the limiting bulge drives the reverse locking shifting piece to rotate anticlockwise, the reverse locking ratchet block slides along the second reverse locking groove, and the second square shaft head idles; the reverse locking ratchet block falls into the first reverse locking groove and the second reverse locking groove under the action of gravity, when the second square shaft head is rotated clockwise, the reverse locking ratchet block slides along the first reverse locking groove and the second reverse locking groove and is pushed into the placing groove, and the first square shaft head and the second square shaft head idle; when the second square shaft head rotates anticlockwise, the second square shaft head drives the large shifting fork to rotate anticlockwise through the reverse locking ratchet block, the reverse locking ratchet block slides along the first reverse locking groove, and the first square shaft head idles; when the clutch lever is inserted into the first clutch groove and the second clutch groove, the second square shaft head is rotated clockwise, the second square shaft head drives the large shifting fork to rotate clockwise, the large shifting fork drives the latch bolt shifting piece to rotate clockwise through the first extending block, and the limiting bulge slides along the arc-shaped groove and drives the anti-lock shifting piece to rotate clockwise; when the second square shaft head rotates anticlockwise, the reverse locking ratchet block slides along the first reverse locking groove and the second reverse locking groove and is pushed into the placing groove, and the first square shaft head idles;

when the third extending block is provided with a detachable limiting column at one end face close to the second square shaft head;

the reverse lock ratchet block falls into the first reverse lock groove and the second reverse lock groove under the action of gravity, when the second square shaft head is rotated clockwise, the second square shaft head drives the limiting column to rotate clockwise through the second driving piece, the limiting column drives the large shifting fork to rotate clockwise, and the first extending block of the large shifting fork drives the latch bolt shifting piece to rotate clockwise; when the second square shaft head rotates anticlockwise, the second square shaft head drives the large shifting fork to rotate anticlockwise through the reverse locking ratchet block, the limiting bulge drives the reverse locking shifting piece to rotate anticlockwise, the reverse locking ratchet block slides along the first reverse locking groove, and the first square shaft head idles; the reverse locking ratchet block falls into the first reverse locking groove and the second reverse locking groove under the action of gravity, when the first square shaft head is rotated clockwise, the reverse locking ratchet block slides along the first reverse locking groove and the second reverse locking groove and is pushed into the placing groove, and the first square shaft head and the second square shaft head idle; when the first square shaft head rotates anticlockwise, the first square shaft head drives the large shifting fork to rotate anticlockwise through the reverse locking ratchet block, the reverse locking ratchet block slides along the second reverse locking groove, and the second square shaft head idles; when the clutch rod is inserted into the first clutch groove and the second clutch groove, the first square shaft head is rotated clockwise, the first square shaft head drives the large shifting fork to rotate clockwise through the clutch rod, the large shifting fork drives the latch bolt shifting piece to rotate clockwise through the first extending block, and the limiting bulge slides along the arc-shaped groove and drives the anti-lock shifting piece to rotate clockwise; when the first square shaft head is rotated anticlockwise, the reverse locking ratchet block slides along the first reverse locking groove and the second reverse locking groove and is pushed into the placing groove, and the second square shaft head idles.

The clutch rod is provided with a limiting groove, a limiting rod is arranged in the clutch hole, and the limiting groove slides along the limiting rod.

One preferred scheme is that a first opening locking plate and a second opening locking plate extend from the outer wall of the latch lifting piece, and when a detachable limiting column is arranged on one end face of the third extending block close to the second square shaft head; the limiting column is clamped between the second driving piece and the first opening locking piece of the latch pulling piece.

Synthesize above-mentioned technical scheme, the beneficial effects of the utility model: when the lockset needs to be reversed, the limiting column is detached and installed on one side of the outer square shaft head, so that the reversing is very simple and convenient; when the limiting column is arranged on one end face of the third extension block and is close to one side of the first square shaft head, when the second square shaft head is forcibly rotated outside the door, the second square shaft head drives the large shifting fork to rotate clockwise through the reverse locking ratchet block, the reverse locking ratchet block slides along the first reverse locking groove, the first square shaft head idles, when the second square shaft head is rotated in the anticlockwise direction, the reverse locking ratchet block slides along the first reverse locking groove and the second reverse locking groove and is pushed into the placing groove, the first square shaft head and the outer square shaft head idles, and the function that the door can not be opened by rotating the third extension block by 360 degrees outside the door is achieved.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a first schematic view of the present invention installed in a lock case;

FIG. 2 is a second schematic view of the present invention installed in a lock case;

fig. 3 is a first perspective view of the utility model when the limiting column is arranged on one end face of the third extending block and close to one side of the first square shaft head;

fig. 4 is an exploded view of the first embodiment of the present invention, in which the limiting post is disposed on an end surface of the third extending block and near one side of the first square shaft head;

FIG. 5 is an exploded view of the third embodiment of the present invention, wherein the limiting post is disposed on an end surface of the third extending block and near one side of the first square shaft head;

fig. 6 is a first cross-sectional view of the utility model when the limiting column is arranged on one end face of the third extending block and close to one side of the first square shaft head;

fig. 7 is a second cross-sectional view of the third extending block when the limiting post is disposed on one end surface of the third extending block and near one side of the first square shaft head;

fig. 8 is a third cross-sectional view of the third embodiment of the present invention when the limiting post is disposed on an end surface of the third extending block and near one side of the first square shaft head;

fig. 9 is a first schematic view of the inner portion of the third extending block of the present invention when the limiting post is disposed on one end surface of the third extending block and near one side of the first square shaft head;

fig. 10 is a second perspective view of the present invention, wherein the limiting post is disposed on an end surface of the third extending block and near one side of the first square shaft head;

fig. 11 is a second schematic view of the inner portion of the third extending block when the limiting post is disposed on one end surface of the third extending block and near one side of the first square shaft head;

FIG. 12 is a perspective view of the middle inner square shaft head of the present invention;

FIG. 13 is a perspective view of the outer spindle head of the present invention;

fig. 14 is an exploded view of the first embodiment of the present invention, in which the limiting post is disposed on an end surface of the third extending block and near one side of the second square shaft head;

fig. 15 is an exploded view two of the middle position-limiting column of the present invention, which is disposed on one end face of the third extending block and close to one side of the second square shaft head.

Detailed Description

For the purpose of illustrating the spirit and purposes of the present invention, the present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 15, a shifting fork assembly capable of quickly reversing comprises a first square shaft head 10, a second square shaft head 20, an anti-locking ratchet block 30, an anti-locking shifting piece 40, a large shifting fork 50, a latch shifting piece 60, a return spring 71 and a clutch lever 72, wherein a first driving piece 11 extends outwards from the edge of the first square shaft head 10, a first anti-locking groove 12 and a first clutch groove 13 are formed in the outer wall of the first square shaft head 10, one end surface of the first anti-locking groove 12 is a vertical surface, and the other end surface is an arc surface; a second driving piece 21 extends outwards from the edge of the second square shaft head 20, a second anti-locking groove 22 and a second clutch groove 23 are formed in the outer wall of the second square shaft head 20, one end face of the second anti-locking groove 22 is a vertical face, and the other end face of the second anti-locking groove 22 is an arc-shaped face; the large shifting fork 50 penetrates through an accommodating groove 54 along the axis direction, the first square shaft head 10 is rotatably arranged on one side of the accommodating groove 54, the second square shaft head 20 is rotatably arranged on the other side of the accommodating groove 54, the first anti-locking groove 12 corresponds to the second anti-locking groove 22, the first clutch groove 13 corresponds to the second clutch groove 23, the side walls of the large shifting fork 50 are alternately provided with a first extending block 51, a second extending block 52 and a third extending block 53, the first extending block 51 penetrates through a clutch hole 511 communicated with the accommodating groove 54, the clutch hole 511 is respectively butted with the first clutch groove 13 and the second clutch groove 23, the clutch rod 72 is arranged in the clutch hole 511, the reset spring 71 is compressed and arranged in the clutch hole 511, the clutch rod 72 can move back and forth along the clutch hole 511, the first clutch groove 13 and the second clutch groove 23, one end face of the large shifting fork 50 is provided with a limiting protrusion 55, the second extending block 52 is provided with a placing groove 521, the placing groove 521 is located at the top of the receiving groove 54 and is communicated with the receiving groove 54, the placing groove 521 is respectively butted with the first anti-locking groove 12 and the second anti-locking groove 22, an anti-locking ratchet block 30 which can move along the placing groove 521, the first anti-locking groove 12 and the second anti-locking groove 22 is inserted into the placing groove 521, a detachable limiting column 56 is arranged on one end face of the third extending block 53 close to the first square spindle nose 10, or a detachable limiting column 56 is arranged on one end face of the third extending block 53 close to the second square spindle nose 20, the anti-locking shifting piece 40 is sleeved outside the first square spindle nose 10, an arc-shaped groove 41 is arranged on the inner wall of the anti-locking shifting piece 40, and the limiting protrusion 55 is inserted into the arc-shaped groove 41 and can slide along the arc-shaped groove 41; the outer wall of the latch bolt shifting piece 60 extends to form an arc-shaped block 61, the latch bolt shifting piece 60 is sleeved outside the second square shaft head 20, and one end face of the arc-shaped block 61 is in contact with the end face of the first extending block 51.

As shown in fig. 1 to 13, when the stopper post 56 is disposed on one end surface of the third extension block 53 and near one side of the first stub shaft 10. The reverse lock ratchet block 30 falls into the first reverse lock groove 12 and the second reverse lock groove 22 under the action of gravity, when the first square shaft head 10 is rotated clockwise, the first square shaft head 10 drives the limit column 56 to rotate clockwise through the first driving piece 11, the limit column 56 drives the large shifting fork 50 to rotate clockwise, and the first extension block 51 of the large shifting fork 50 drives the latch bolt shifting piece 60 to rotate clockwise when the first square shaft head 10 is rotated clockwise from the first square shaft head 10 to the second square shaft head 20; when the first square shaft head 10 is rotated in the counterclockwise direction, the first square shaft head 10 drives the large shifting fork 50 to rotate in the counterclockwise direction through the reverse locking ratchet block 30, the limiting protrusion 55 drives the reverse locking shifting piece 40 to rotate in the counterclockwise direction, the reverse locking ratchet block 30 slides along the second reverse locking groove 22, and the second square shaft head 20 idles; when the second square spindle nose 20 is rotated clockwise, the reverse locking ratchet block 30 slides along the first reverse locking groove 12 and the second reverse locking groove 22 and is pushed into the placing groove 521, and the first square spindle nose 10 and the second square spindle nose 20 idle; when the second square spindle head 20 is rotated in the counterclockwise direction, the second square spindle head 20 drives the large shifting fork 50 to rotate counterclockwise through the reverse locking ratchet block 30, the reverse locking ratchet block 30 slides along the first reverse locking groove 12, and the first square spindle head 10 idles; when the clutch rod 72 is inserted into the first clutch groove 13 and the second clutch groove 23, the second square shaft head 20 is rotated clockwise, the second square shaft head 20 drives the large shifting fork 50 to rotate clockwise through the clutch rod 72, the large shifting fork 50 drives the latch bolt shifting piece 60 to rotate clockwise through the first extending block 51, and the limiting protrusion 55 slides along the arc-shaped groove 41 and drives the anti-lock shifting piece 40 to rotate clockwise; when the second square spindle head 20 is rotated counterclockwise, the locking pawl 30 slides along the first locking groove 12 and the second locking groove 22 and is pushed into the placing groove 521, and the first square spindle head 10 idles.

As shown in fig. 14 and 15, when the restraining post 56 is disposed at one end surface of the third extension block 53 and adjacent to the second stub shaft 20. The reverse lock ratchet block 30 falls into the first reverse lock groove 12 and the second reverse lock groove 22 under the action of gravity, when the second square shaft head 20 is rotated clockwise as seen from the first square shaft head 10 to the second square shaft head 20, the second square shaft head 20 drives the limit column 56 to rotate clockwise through the second driving piece 21, the limit column 56 drives the large shifting fork 50 to rotate clockwise, and the first extension block 51 of the large shifting fork 50 drives the latch bolt shifting piece 60 to rotate clockwise; when the second square spindle head 20 is rotated in the counterclockwise direction, the second square spindle head 20 drives the large shifting fork 50 to rotate in the counterclockwise direction through the reverse locking ratchet block 30, the limiting protrusion 55 drives the reverse locking shifting piece 40 to rotate in the counterclockwise direction, the reverse locking ratchet block 30 slides along the first reverse locking groove 12, and the first square spindle head 10 idles; when the first square spindle nose 10 is rotated clockwise, the reverse locking ratchet block 30 slides along the first reverse locking groove 12 and the second reverse locking groove 22 and is pushed into the placing groove 521, and the first square spindle nose 10 and the second square spindle nose 20 idle; when the first square spindle head 10 is rotated in the counterclockwise direction, the first square spindle head 10 drives the large shifting fork 50 to rotate counterclockwise through the reverse locking ratchet block 30, the reverse locking ratchet block 30 slides along the second reverse locking groove 22, and the second square spindle head 20 idles; when the clutch rod 72 is inserted into the first clutch groove 13 and the second clutch groove 23, the first square shaft head 10 is rotated clockwise, the first square shaft head 10 drives the large shifting fork 50 to rotate clockwise through the clutch rod 72, the large shifting fork 50 drives the latch pull sheet 60 to rotate clockwise through the first extending block 51, and the limiting protrusion 55 slides along the arc-shaped groove 41 and drives the anti-lock pull sheet 40 to rotate clockwise; when the first square stub shaft 10 is rotated in the counterclockwise direction, the reverse locking ratchet block 30 slides along the first reverse locking groove 12 and the second reverse locking groove 22 and is pushed into the placing groove 521, and the second square stub shaft 20 idles.

As shown in fig. 1 to 13, when the spacing post 56 is disposed on one end surface of the third extending block 53 and close to the first square shaft head 10, the utility model discloses when needing to change direction, only need to pull down the spacing post 56 and install on one end surface of the third extending block 53 and close to the second square shaft head 20, the change direction is very simple and convenient. Spacing post 56 can set up a terminal surface of third extension piece 53 also can set up another terminal surface of third extension piece 53 only needs to change spacing post 56's direction, alright realization the utility model discloses the switching-over.

As shown in fig. 1 to 13, when the limiting column 56 is disposed on an end surface of the third extending block 53 and is close to the first square spindle nose 10, the first square spindle nose 10 is located inside the door, the second square spindle nose 20 is located outside the door, and when the second square spindle nose 20 is forcibly rotated clockwise from outside the door as viewed from the first square spindle nose 10 to the second square spindle nose 20, the reverse locking ratchet block 30 slides along the first reverse locking groove 12 and the second reverse locking groove 22 and is pushed into the placing groove 521, and the first square spindle nose 10 and the second square spindle nose 20 idle, so that the function that the door cannot be opened by rotating the door outer handle 360 degrees is realized. When the second square spindle nose 20 is forcibly rotated counterclockwise from the outside of the door, the second square spindle nose 20 drives the large shifting fork 50 to rotate counterclockwise through the reverse locking ratchet block 30, the reverse locking ratchet block 30 slides along the first reverse locking groove 12, and the first square spindle nose 10 idles.

As shown in fig. 14 and 15, when the limit post 56 is disposed on one end surface of the third extension block 53 and is close to the second square spindle nose 20, the second square spindle nose 20 is located inside the door, the first square spindle nose 10 is located outside the door, and when the first square spindle nose 10 is forcibly rotated clockwise from outside the door as viewed from the direction from the first square spindle nose 10 to the second square spindle nose 20, the anti-lock ratchet block 30 slides along the first anti-lock groove 12 and the second anti-lock groove 22 and is pushed into the placement groove 521, and the first square spindle nose 10 and the second square spindle nose 20 idle, so that the function that the door cannot be opened by rotating the outer handle 360 degrees is realized. When the first square shaft head 10 is forcibly rotated counterclockwise from the outside of the door, the first square shaft head 10 drives the large shifting fork 50 to rotate counterclockwise through the reverse locking ratchet block 30, the reverse locking ratchet block 30 slides along the second reverse locking groove 22, and the second square shaft head 20 idles.

As shown in fig. 1 to 15, the clutch lever 72 is provided with a limiting groove 721, a limiting rod 722 is provided in the clutch hole 511, and the limiting groove 721 slides along the limiting rod 722. The clutch lever 72 can slide along the stopper slot 721.

As shown in fig. 1 to 15, a first opening locking piece 62 and a second opening locking piece 63 extend from an outer wall of the latch pulling piece 60, and when a detachable limiting column 56 is disposed on an end surface of the third extending block 53 close to the second square spindle nose 20; the restraint post 56 is sandwiched between the second driver blade 21 and the first opening tab 62 of the latch driver blade 60.

The above is a detailed implementation manner of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims (3)

1. A shifting fork assembly capable of reversing rapidly is characterized by comprising a first square shaft head, a second square shaft head, a reverse locking ratchet block, a reverse locking shifting piece, a large shifting fork, a latch shifting piece, a reset spring and a clutch lever, wherein a first driving piece extends outwards from the edge of the first square shaft head; a second driving piece extends outwards from the edge of the second square shaft head, a second anti-locking groove and a second clutch groove are formed in the outer wall of the second square shaft head, one end face of the second anti-locking groove is a vertical face, and the other end face of the second anti-locking groove is an arc face; the large shifting fork is provided with a containing groove in the axial direction in a penetrating way, a first square shaft head is rotationally arranged on one side of the containing groove, a second square shaft head is rotationally arranged on the other side of the containing groove, a first anti-locking groove corresponds to a second anti-locking groove, a first clutch groove corresponds to a second clutch groove, first extending blocks, second extending blocks and third extending blocks are alternately arranged on the side wall of the large shifting fork, a clutch hole communicated with the containing groove is formed in the first extending blocks in a penetrating way, the clutch hole is respectively butted with the first clutch groove and the second clutch groove, a clutch rod is arranged in the clutch hole, a reset spring is compressed and arranged in the clutch hole, the clutch rod can move back and forth along the clutch hole, the first clutch groove and the second clutch groove, a limiting bulge is arranged on one end face of the large shifting fork, a placing groove is arranged on the second extending block, the placing groove is positioned at the top of the containing groove and is communicated with the containing groove, the placing groove is respectively butted with the first reverse locking groove and the second reverse locking groove, a reverse locking ratchet block which can move along the placing groove, the first reverse locking groove and the second reverse locking groove is inserted in the placing groove, a detachable limiting column is arranged on one end face, close to the first square shaft head, of the third extending block, or a detachable limiting column is arranged on one end face, close to the second square shaft head, of the third extending block, the reverse locking shifting piece is sleeved outside the first square shaft head, an arc-shaped groove is formed in the inner wall of the reverse locking shifting piece, and the limiting protrusion is inserted in the arc-shaped groove and can slide along the arc-shaped groove; the outer wall of the inclined tongue shifting piece extends to form an arc-shaped block, the inclined tongue shifting piece is sleeved outside the second square shaft head, and one end face of the arc-shaped block is in contact with the end face of the first extending block.

2. The shift fork assembly capable of reversing rapidly according to claim 1, wherein the clutch lever is provided with a limiting groove, the clutch hole is internally provided with the limiting lever, and the limiting groove slides along the limiting lever.

3. The shifting fork assembly capable of quickly reversing according to claim 1, wherein a first unlocking piece and a second unlocking piece extend from the outer wall of the latch shifting piece, and when a detachable limiting column is arranged on one end face, close to the second square shaft head, of the third extending block; the limiting column is clamped between the second driving piece and the first opening locking piece of the latch pulling piece.

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