阅读说明：本技术 一种变速器输出轴的凸圆叉 (Convex fork of transmission output shaft ) 是由 李源 李天清 李生根 于 2020-06-17 设计创作，主要内容包括：本发明一种变速器输出轴的凸圆叉属于汽车配件领域,在连接套的内部设置圆筒状的花键筒,在连接套的右边设置C型凸圆叉、在凸圆叉右边的上下顶端的中央各设置一个半圆形十字轴安装孔,在凸圆叉上下右边的顶端十字轴安装孔的前后两侧各设置了一个梯形锁扣、四个锁扣右侧面的中央分别横向设置了一根圆柱形螺栓,在凸圆叉上下右边的顶端两个十字轴安装孔的右边各安装了一个长方形锁块,当连接套安装于变速器输出轴的上面后、传动轴前方的凸圆叉通过十字轴直接与变速器输出轴的凸圆叉上面的十字轴安装孔连接、然后通过锁块将十字轴进行锁紧、保证了变速器输出轴凸圆叉的牢固性及抗扭性、有效降低了传动轴整体的重量。(The invention relates to a convex fork of a transmission output shaft, which belongs to the field of automobile accessories.A cylindrical spline cylinder is arranged in a connecting sleeve, a C-shaped convex fork is arranged on the right side of the connecting sleeve, semicircular cross shaft mounting holes are respectively arranged in the centers of the upper top end and the lower top end of the right side of the convex fork, a trapezoidal lock catch is respectively arranged on the front side and the rear side of each of the top cross shaft mounting holes on the upper right side and the lower right side of the convex fork, a cylindrical bolt is respectively and transversely arranged in the center of the right side surface of each of the four lock catches, a rectangular locking block is respectively arranged on the right side of the two cross shaft mounting holes on the top ends of the upper right side and the lower right side of the convex fork, and when the connecting sleeve is arranged on the upper surface of the transmission output shaft, the convex fork in front of a transmission shaft is directly connected with the cross shaft mounting holes on the convex fork of the transmission output shaft through a cross shaft, then the cross shaft is locked through the locking blocks, so that the firmness and the torsion resistance of the convex fork of the transmission output shaft are ensured, The overall weight of the transmission shaft is effectively reduced.)

1. A convex round fork of a transmission output shaft is characterized by comprising a connecting sleeve, a convex round fork, a spline cylinder, a cross axle mounting hole, a locking block, a nut, a lock catch, a bolt, a lock groove and a positioning hole;

the connecting sleeve is cylindrical, the top end of the right side of the connecting sleeve is provided with a convex fork, and the inside of the connecting sleeve is provided with a cylindrical spline cylinder;

the convex fork is C-shaped, the center of the left side surface of the convex fork penetrates through the spline cylinder, the centers of the right sides above and below the convex fork are respectively provided with a semicircular cross axle mounting hole, the front and back sides of the two cross axle mounting holes at the top ends of the right sides above and below the convex fork are respectively provided with a trapezoidal lock catch, and the centers of the right side surfaces of the four lock catches are respectively and horizontally provided with a cylindrical bolt;

the locking blocks are rectangular, one locking block is arranged at each of the top ends of the right sides above and below the convex circular fork, the centers of the left side surfaces of the two locking blocks are respectively provided with a semicircular groove which is symmetrical to the cross shaft mounting hole and has the same radius, the insides of the front sides of the two grooves and the insides of the rear sides of the two grooves are respectively provided with a trapezoidal locking groove which is precisely matched with the corresponding lock catch, the centers of the right side surfaces of the four locking grooves are respectively transversely provided with a circular positioning hole, and the four positioning holes are respectively arranged on the four bolts;

the nuts are hexagonal and are respectively arranged at the top ends of the right sides of the four bolts.

2. The spur of the transmission output shaft as claimed in claim 1, wherein the connecting sleeve, the spur and the bolt are formed by one-step casting.

Technical Field

The invention relates to a convex fork of a transmission output shaft, belongs to the field of automobile accessories, and particularly relates to a riding-wheel-free switching between a transmission and a transmission shaft, wherein the convex fork is directly connected with the transmission shaft.

Background

Convex circular fork and a cross shaft connecting mechanism for a truck transmission shaft. The existing manufacturers for producing transmission shafts adopt a convex fork on the transmission shaft to be connected with a riding wheel behind an output shaft of the transmission through a cross shaft and a riding wheel convex fork at the connecting part of the transmission shaft when the transmission shaft is processed, and the riding wheel convex fork and the riding wheel behind the output shaft of the transmission are connected through bolts in order to facilitate the disassembly and the assembly of the transmission shaft. Therefore, a need exists for a cam fork that can eliminate the need for a riding wheel attachment mechanism so that the cam fork can be directly connected to the output shaft of the transmission instead of the existing riding wheel cam fork and riding wheel.

Disclosure of Invention

The invention solves the difficulties by adopting a cylindrical connecting sleeve, wherein a cylindrical spline cylinder is arranged in the connecting sleeve, a C-shaped convex fork is arranged at the right side of the connecting sleeve, a semicircular cross axle mounting hole is respectively arranged at the centers of the upper top end and the lower top end of the right side of the convex fork, a trapezoidal lock catch is respectively arranged at the front side and the rear side of the cross axle mounting hole at the top ends of the upper right side and the lower right side of the convex fork, a cylindrical bolt is respectively transversely arranged at the center of the right side surface of each of the four lock catches, a rectangular locking block is respectively arranged at the right side of the two cross axle mounting holes at the top ends of the upper right side and the lower right side of the convex fork, after the connecting sleeve is arranged on the output shaft of the speed changer, the convex fork in front of a transmission shaft is directly connected with the cross axle mounting hole on the convex fork of the output shaft of the speed changer through a cross axle, and then the cross axle is locked through the locking block, The firmness and the torsion resistance of the convex circular fork of the output shaft of the transmission are ensured, and the overall weight of the transmission shaft is effectively reduced.

A convex round fork of a transmission output shaft is characterized by comprising a connecting sleeve, a convex round fork, a spline cylinder, a cross axle mounting hole, a locking block, a nut, a lock catch, a bolt, a lock groove and a positioning hole;

the connecting sleeve is cylindrical, the top end of the right side of the connecting sleeve is provided with a convex fork, and the inside of the connecting sleeve is provided with a cylindrical spline cylinder;

the convex fork is C-shaped, the center of the left side surface of the convex fork penetrates through the spline cylinder, the centers of the right sides above and below the convex fork are respectively provided with a semicircular cross axle mounting hole, the front and back sides of the two cross axle mounting holes at the top ends of the right sides above and below the convex fork are respectively provided with a trapezoidal lock catch, and the centers of the right side surfaces of the four lock catches are respectively and horizontally provided with a cylindrical bolt;

the locking blocks are rectangular, one locking block is arranged at each of the top ends of the right sides above and below the convex circular fork, the centers of the left side surfaces of the two locking blocks are respectively provided with a semicircular groove which is symmetrical to the cross shaft mounting hole and has the same radius, the insides of the front sides of the two grooves and the insides of the rear sides of the two grooves are respectively provided with a trapezoidal locking groove which is precisely matched with the corresponding lock catch, the centers of the right side surfaces of the four locking grooves are respectively transversely provided with a circular positioning hole, and the four positioning holes are respectively arranged on the four bolts;

the nuts are hexagonal and are respectively arranged at the top ends of the right sides of the four bolts.

The connecting sleeve, the convex fork and the bolt are formed by one-time casting.

Has the advantages that: the existing manufacturers for producing transmission shafts adopt a convex fork on the transmission shaft to be connected with a riding wheel behind an output shaft of the transmission through a cross shaft and a riding wheel convex fork at the connecting part of the transmission shaft when the transmission shaft is processed, and the riding wheel convex fork and the riding wheel behind the output shaft of the transmission are connected through bolts in order to facilitate the disassembly and the assembly of the transmission shaft. The utility model provides a protruding circle fork of derailleur output shaft, after the adapter sleeve was installed on the derailleur output shaft, the protruding circle fork in transmission shaft the place ahead passed through the cross axle and directly is connected with the cross axle mounting hole on the protruding circle fork of derailleur output shaft, then locks the cross axle through the locking piece, has guaranteed the fastness and the antitorque nature of derailleur output shaft protruding circle fork, has effectively reduced the holistic weight of transmission shaft.

Drawings

FIG. 1 is a front view of a convex fork of a transmission output shaft;

FIG. 2 is a schematic structural view of a connecting sleeve, a convex fork, a spline cylinder, a cross axle mounting hole, a lock catch and a bolt;

FIG. 3 is a schematic structural view of a locking block, a locking groove and a positioning hole;

the marks in the above figures are a connecting sleeve 1, a convex circular fork 2, a spline cylinder 3, a cross axle mounting hole 4, a locking block 5, a nut 6, a lock catch 7, a bolt 8, a locking groove 9 and a positioning hole 10.

Detailed Description

The shape and construction of the present invention will now be described in detail with reference to the accompanying drawings and reference numerals:

a convex fork of a transmission output shaft is characterized by comprising a connecting sleeve 1, a convex fork 2, a spline barrel 3, a cross axle mounting hole 4, a locking block 5, a nut 6, a lock catch 7, a bolt 8, a locking groove 9 and a positioning hole 10;

the connecting sleeve 1 is cylindrical, the top end of the right side of the connecting sleeve is provided with a convex circular fork 2, and the inside of the connecting sleeve is provided with a cylindrical spline cylinder 3;

the convex fork 2 is C-shaped, the center of the left side surface of the convex fork 2 is penetrated through the spline cylinder 3, the centers of the right sides above and below the convex fork 2 are respectively provided with a semicircular cross axle mounting hole 4, the front and back sides of two cross axle mounting holes at the top ends of the right sides above and below the convex fork 2 are respectively provided with a trapezoidal lock catch 7, and the centers of the right side surfaces of the four lock catches 7 are respectively and horizontally provided with a cylindrical bolt 8;

the locking blocks 5 are rectangular, one locking block is arranged at each of the top ends of the right sides above and below the convex circular fork 2, the centers of the left side surfaces of the two locking blocks 5 are respectively provided with a semicircular groove which is symmetrical to the cross shaft mounting hole 4 and has the same radius, the insides of the front sides and the insides of the rear sides of the two grooves are respectively provided with a trapezoidal locking groove 9 which is precisely matched with the corresponding lock catch 7, the centers of the right side surfaces of the four locking grooves 9 are respectively and transversely provided with a circular positioning hole 10, and the four positioning holes 10 are respectively arranged on the four bolts 8;

the nuts 6 are hexagonal and are respectively arranged at the top ends of the right sides of the four bolts 8.

The connecting sleeve 1, the convex fork 2 and the bolt 8 are formed by one-time casting.

When the convex fork of the transmission output shaft is used, a worker installs a connecting sleeve on the rear upper surface of the transmission output shaft, installs a retaining ring and a locking bolt on the top end of the rear transmission output shaft to fix the convex fork of the transmission output shaft on the output shaft of the transmission, loosens four nuts, removes two locking blocks at the upper and lower top ends of the convex fork of the transmission output shaft, connects a telescopic fork at the rear of a transmission shaft with the convex fork at the front of a main reducer in the middle of a rear axle through a cross shaft, connects the convex fork in front of the transmission shaft with the front and rear two shafts of the cross shaft, installs the upper and lower two shafts of the cross shaft on the upper and lower two cross shaft installing hole nuts of the convex fork of the transmission output shaft, puts the two locking blocks back on four bolts, carefully fastens four locking grooves with four lock catches, sequentially installs the nuts on the bolts, and sequentially screws the four nuts by using a torque wrench, through the locking piece with cross axle and hasp locking, ensure the fastness and the resistance to torsion of derailleur output shaft protruding circular fork, make things convenient for the dismouting when effectively having reduced the holistic weight of transmission shaft and maintaining the transmission shaft.

The above-mentioned non-detailed description is prior art.

The foregoing is merely a general disclosure of the invention and is not intended to limit the invention in any way; those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims.