CN211117537U

CN211117537U - Gearbox shifting block

Info

Publication number: CN211117537U
Application number: CN201921526162.3U
Authority: CN
Inventors: 崔建业
Original assignee: NINGBO TIANYE PRECISION CASTING CO Ltd
Current assignee: NINGBO TIANYE PRECISION CASTING CO Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-07-28
Anticipated expiration: 2029-09-12

Abstract

The utility model provides a gearbox shifting block, which comprises a block body, a ball head arranged below the block body and bulges respectively arranged at two sides of the block body, wherein the block body is provided with an assembling hole, the bottom of the block body is fixedly connected with a connecting arm, the lower end of the connecting arm is provided with the ball head, and the ball head is sleeved with a friction sleeve; the ball head is inserted into a gear shifting groove on the gear shifting block, the gear shifting groove is a U-shaped groove, and the gear shifting block is fixedly sleeved on the gear shifting fork shaft; the protruding outside corresponds respectively to be equipped with a stopper, the stopper corresponds the inner wall of gearbox manipulator casing respectively and is equipped with two corresponding fixture blocks, the fixture block is the cuboid structure, one side that the shifting block body was kept away from to the arch is equipped with the curved surface.

Description

Gearbox shifting block

Technical Field

The utility model belongs to the technical field of the motor transmission variable speed that shifts, concretely relates to gearbox shifting block.

Background

With the continuous improvement of the living standard of people, the use of automobiles is continuously popularized, and the performance and the requirements of users on the automobiles are higher and higher, wherein a gear shifting mechanism of an automobile gearbox is continuously improved and developed as an important component in an automobile transmission system, and a gear shifting head of the gear shifting mechanism is also continuously improved along with the improvement of the gear shifting mechanism. The shifting block comprises a shifting block body, wherein an assembly hole is formed in the shifting block body and used for assembling a shifting shaft, a ball head is arranged at one end of the shifting block body, a protrusion with a groove is arranged at the other end of the shifting block body, a positioning pin hole is formed in the shifting block body, and the positioning pin hole and the assembly hole are perpendicular to each other. During operation, the assembly hole is matched with the shaft, the shaft is fixed with the positioning pin hole through the pin, the ball head is matched with the gear shifting block, and the ball head is matched with the gear shifting block during gear shifting.

The shifting block is a shifting device in the gear shifting device of the automobile gearbox, the shifting block is used for shifting gears of an automobile, the traditional shifting block comprises a shifting block body, a gear shifting long handle is arranged on the shifting block body, the gear shifting long handle is matched with the automobile gearbox, a gear shifting rod is arranged on the shifting block body, the driving shifting block rotates through rotation of the gear shifting rod, and therefore the relevant gear shifting device is shifted through the shifting block. But current shifting block is poor with the gearbox installation cooperation, and is easy not hard up, influences the effect of shifting.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a gearbox shifting block that has simple structure, compactness, transmission torque are big, small light in weight, transmission efficiency is high.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a gear shifting block of a gearbox comprises a shifting block body, a ball head and protrusions, wherein the ball head is arranged below the shifting block body, the protrusions are respectively arranged on two sides of the shifting block body, an assembling hole is formed in the shifting block body, a connecting arm is fixedly connected to the bottom of the shifting block body, the lower end of the connecting arm is provided with the ball head, and a friction sleeve is sleeved on the ball head; the ball head is inserted into a gear shifting groove on the gear shifting block, the gear shifting groove is a U-shaped groove, and the gear shifting block is fixedly sleeved on the gear shifting fork shaft; the protruding outside corresponds respectively to be equipped with a stopper, the stopper corresponds the inner wall of gearbox manipulator casing respectively and is equipped with two corresponding fixture blocks, the fixture block is the cuboid structure, one side that the shifting block body was kept away from to the arch is equipped with the curved surface.

According to the gearbox gear shifting block, the shifting block body is provided with the positioning hole, and the arranging direction of the positioning hole is perpendicular to the arranging direction of the assembling hole.

According to the gearbox gear shifting block, the limiting block is provided with the positioning groove, and the inner side of the positioning groove is in an arc shape.

The gear shifting block comprises a transmission case, wherein the transmission case is provided with a plurality of transmission holes, the transmission holes are arranged on the transmission case, the transmission case is provided with a plurality of transmission shafts, the transmission shafts are arranged on the.

According to the gearbox shifting block, the left side wall and the right side wall of the ball head are spherical surfaces, the front wall and the rear wall of the ball head and the bottom of the ball head are planes, the appearance of the friction sleeve is matched with the ball head, and the spherical surfaces of the left side wall and the right side wall of the ball head are in movable contact with the side walls of the shifting grooves in the shifting block through the friction sleeve.

The utility model has the advantages that: the gearbox gear shifting block is provided with the enhanced transition arc and the guide chamfer, the arrangement of the enhanced transition arc is adopted, the gear shifting comfort is improved, the abrasion during gear shifting is reduced, the arrangement of the guide chamfer is adopted, the internal organization structure is redistributed during the heat treatment of materials, cracks are not easy to appear, the deformation is reduced, and the important function is realized, the chamfer is deburred, so that the product is not sharp, and a user can not be cut; set up to the sphere through lateral wall about the bulb for select shelves and shift gears steady easy realization, friction cover protection bulb prevents the premature failure of bulb through with trading the friction cover, prolongs bulb and the holistic life of shifting block.

Drawings

Fig. 1 is the utility model relates to a structure schematic diagram of gearbox shifting block.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1, the utility model provides a gearbox shifting block, which comprises a block body 1, a ball head 2 arranged below the block body 1 and protrusions 3 respectively arranged at two sides of the block body 1, wherein the block body 1 is provided with an assembly hole, the bottom of the block body 1 is fixedly connected with a connecting arm 4, the lower end of the connecting arm 4 is provided with the ball head 2, and the ball head 2 is sleeved with a friction sleeve 21; the ball head 2 is inserted into a gear shifting groove 51 on the gear shifting block 5, the gear shifting groove 51 is a U-shaped groove, and the gear shifting block 5 is fixedly sleeved on a gear shifting fork shaft; protruding 3 outside correspondence respectively is equipped with a stopper, the stopper corresponds the inner wall of gearbox manipulator casing respectively and is equipped with two corresponding fixture blocks, the fixture block is the cuboid structure, protruding 3 one side of keeping away from shifting block body 1 is equipped with the curved surface.

Further, the utility model relates to an in the embodiment of the preferred of gearbox shifting block, be equipped with the locating hole on the block body 1, the orientation of seting up of locating hole with the orientation of seting up of pilot hole sets up perpendicularly.

Further, the utility model relates to an in the embodiment of the preferred of gearbox shifting block, be equipped with the constant head tank on the stopper, the inboard of this constant head tank is the arc shape.

Further, the utility model relates to an in the embodiment of the preferred of gearbox shifting block, arch 3 has an open slot, the notch direction of open slot with the pilot hole central line is perpendicular, the both sides wall top of open slot is provided with the chamfer.

Further, the utility model relates to an in the embodiment of the preferred of gearbox shifting block, lateral wall is the sphere about

bulb

2, 2 preceding back walls of bulb and bottom are the plane, 21 appearances of friction cover with the bulb adaptation, the sphere of lateral wall passes through about bulb 2 friction cover 21 with on the shifting block 5 shift groove 51's lateral wall movable contact.

Because the sphere is the point contact with shift groove 51 lateral wall, the friction is little, during shifting, bulb 2 stirs shift shifting block 5 through friction cover 21 and shift groove 51 lateral wall contact, stir steadily, easily shift, simultaneously when selecting gears, because the width between two spheres of lateral wall reduces from the sphere middle part towards sphere both sides gradually about bulb 2, think when and play the effect of chamfer, be convenient for bulb 2 from shift groove 51 on shift shifting block 5 and remove to shift groove 51 on another shift shifting block 5, prevent the jamming condition, the selection is convenient.

The friction sleeve 21 is made of PEEK450G L30 type plastic, is light in weight, wear-resistant and small in friction, plays a role in protecting the ball head 2, prevents the ball head 2 from directly contacting with the gear shifting groove 51, prevents the ball head 2 from being worn during gear shifting, can prevent the ball head 2 from being worn and failed too early in a mode of replacing the friction sleeve 21 when the friction sleeve 21 is worn and scrapped, and prolongs the service life of the whole ball head 2 and the gear shifting head.

The utility model discloses this kind of gearbox shifting plectrum is through being provided with reinforcing transition circular arc and direction chamfer, the setting of reinforcing transition circular arc, has improved the travelling comfort of shifting, has reduced the wearing and tearing when shifting gears, and the setting of direction chamfer, when the heat treatment of material, the inner structure redistribution is difficult for appearing the crackle, and it is all very important effect to reduce the deformation, and the chamfer burring makes the product not sharp, can not cut injury user; set up to the sphere through lateral wall about the bulb for select shelves and shift gears steady easy realization, friction cover protection bulb prevents the premature failure of bulb through with trading the friction cover, prolongs bulb and the holistic life of shifting block.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A gear shifting block of a gearbox comprises a shifting block body (1), a ball head (2) arranged below the shifting block body (1) and bulges (3) respectively arranged on two sides of the shifting block body (1), and is characterized in that an assembly hole is formed in the shifting block body (1), a connecting arm (4) is fixedly connected to the bottom of the shifting block body (1), the ball head (2) is arranged at the lower end of the connecting arm (4), and a friction sleeve (21) is sleeved on the ball head (2); the ball head (2) is inserted into a gear shifting groove (51) on the gear shifting block (5), the gear shifting groove (51) is a U-shaped groove, and the gear shifting block (5) is fixedly sleeved on a gear shifting fork shaft; protruding (3) outside corresponds respectively to be equipped with a stopper, the stopper corresponds the inner wall of gearbox manipulator casing respectively and is equipped with two fixture blocks that correspond, protruding (3) one side of keeping away from shifting block body (1) is equipped with the curved surface.

2. A gearbox gear shift dial according to claim 1, characterized in that the dial body (1) is provided with a positioning hole, and the opening direction of the positioning hole is perpendicular to the opening direction of the assembling hole.

3. A transmission shifter according to claim 2 wherein the stop block has a detent recess with an arcuate inner side.

4. A gearbox gear shifting dial according to claim 3, characterized in that the protrusion (3) has an open slot, the direction of the slot opening is perpendicular to the central line of the assembly hole, and the tops of the two side walls of the open slot are provided with chamfers.

5. A gearbox gear shifting dial according to claim 4, characterized in that the left and right side walls of the ball head (2) are spherical surfaces, the front and rear walls and the bottom of the ball head (2) are planes, the shape of the friction sleeve (21) is matched with the ball head, and the spherical surfaces of the left and right side walls of the ball head (2) are in movable contact with the side walls of the gear shifting groove (51) on the gear shifting dial (5) through the friction sleeve (21).