CN218718301U

CN218718301U - Split type universal coupling

Info

Publication number: CN218718301U
Application number: CN202221751519.XU
Authority: CN
Inventors: 梁为明
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2023-03-24
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a split type universal joint, including two universal joint bodies, be connected with a flange section of thick bamboo on the shell of universal joint body, the connection can be dismantled to the transmission shaft of two universal joint bodies, and this technical scheme makes the length of shaft coupling shorten nearly 30%, has simplified the structure of shaft coupling, has cancelled steel-pipe shaft, spline housing, integral key shaft and pressure spring, has reduced manufacturing cost, simultaneously because the length of shaft coupling shortens for the connection between the equipment is more compact, has reduced corollary equipment's volume.

Description

Split type universal coupling

Technical Field

The utility model relates to a shaft coupling technical field, concretely relates to split type universal joint.

Background

The rzeppa universal coupling is formed by connecting two rzeppa universal joints, the flange barrels are connected to the two universal joint bodies, the shaft heads of the driving shaft and the driven shaft to be connected enter the two flange barrels respectively and are connected with the two flange barrels to achieve connection of the driving shaft and the driven shaft, the shaft heads of the driving shaft and the driven shaft are fixed in position, a telescopic amount larger than the length of the flange barrels is needed to be connected between transmission shafts of the two rzeppa universal joints in the conventional rzeppa universal coupling, connection between the transmission shafts of the two rzeppa universal joints needs to be achieved by a set of steel pipe shafts, spline sleeves, spline shafts and pressure springs, the conventional coupling is relatively complex in structure, the length is long, the occupied area is large, accordingly, the incompact placement between devices is achieved, and the occupied area of the devices is increased.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a split type universal joint to reduce the length of shaft coupling, and make the shaft coupling be convenient for install, maintain and dismantle.

The utility model provides a split type universal joint, includes two universal joint bodies, be connected with a flange section of thick bamboo on the shell of universal joint body, the connection can be dismantled to the transmission shaft of two universal joint bodies.

Preferably, the outer side wall of the transmission shaft of one universal joint body is connected with a convex part, the outer side wall of the transmission shaft of the other universal joint body is provided with a groove, the front side and/or the rear side of the groove are/is opened, the convex part can rotate on a horizontal plane and enter the groove, the top wall of the groove is provided with a first threaded hole, the convex part is provided with a second threaded hole, and the bolt can be in threaded connection with the first threaded hole and the second threaded hole.

Preferably, the bottom wall of the groove is provided with a third threaded hole, and the bolt can be simultaneously in threaded connection with the first threaded hole, the second threaded hole and the third threaded hole.

Preferably, the first threaded hole, the second threaded hole, the third threaded hole and the bolt constitute a positioning unit, and the number of the positioning units is two.

Preferably, the top wall of the protrusion is in contact with the top wall of the recess, and the bottom wall of the protrusion is in contact with the bottom wall of the recess.

Preferably, the outer side walls of the transmission shafts of the two universal joint bodies are provided with first grooves, the front sides and/or the rear sides of the first grooves are opened, the first fixing blocks can enter the two first grooves, the top walls of the first grooves are provided with fourth threaded holes, the first fixing blocks are provided with two fifth threaded holes, and the two first bolts can respectively penetrate through the two fourth threaded holes to enter the two fifth threaded holes.

Preferably, the bottom wall of the first groove is provided with a sixth threaded hole, the first bolt can be in threaded connection with the fourth threaded hole, the fifth threaded hole and the sixth threaded hole simultaneously, and the first bolt, the fourth threaded hole, the fifth threaded hole and the sixth threaded hole are in one-to-one correspondence.

Preferably, the top wall of the first fixed block is in contact with the top walls of the two first grooves, and the bottom wall of the first fixed block is in contact with the bottom walls of the two first grooves.

The beneficial effects of the utility model are embodied in: the transmission shaft that sets up two universal joint bodies among this technical scheme can be dismantled and connect, in the time of the installation, stir the transmission shaft of universal joint body to the front and back, establish flange tube housing on two universal joint bodies after the spindle nose of driving shaft and the spindle nose of driven shaft, stir the transmission shaft of two universal joint bodies and align the back and connect, simple to operate like this, and do not need the flexible volume that sets up a flange tube length on the universal joint, shorten universal joint's length, this technical scheme makes the length of shaft coupling shorten nearly 30%, the structure of shaft coupling has been simplified, the steel pipe axle has been cancelled, the spline housing, integral key shaft and pressure spring, production cost is reduced, simultaneously because the length of shaft coupling shortens, make the connection between the equipment more compact, the volume of corollary equipment has been reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic partial cross-sectional view of embodiment 2 of the present invention;

fig. 2 is a front view of embodiment 2 of the present invention;

fig. 3 is a schematic partial cross-sectional view of embodiment 3 of the present invention;

fig. 4 is a front view of embodiment 3 of the present invention.

In the attached drawing, 1-universal joint body, 2-flange cylinder, 3-convex part, 4-bolt, 5-first fixed block and 6-first bolt.

Detailed Description

Embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Example 1

The embodiment provides a split type universal coupling, including two universal joint bodies 1, be connected with flange section of thick bamboo 2 on the shell of universal joint body 1, the connection can be dismantled to two universal joint body 1's transmission shaft.

Traditional universal joint, scalable connection between the transmission shaft of two universal joint bodies 1, universal joint's whole length is longer, and area occupied is big to lead to placing between the equipment not compact, increase the area occupied of equipment. The transmission shaft that sets up two universal joint bodies 1 in this embodiment can dismantle the connection, in the time of the installation, stir the transmission shaft of universal joint body 1 forward and backward, the space that universal joint body 1 took is few about this moment, establish 2 covers of flange section of thick bamboo on two universal joint bodies 1 after on the spindle nose of driving shaft and the spindle nose of driven shaft, stir two transmission shafts of universal joint body 1 and align the back and connect, simple to operate like this, and do not need to set up the flexible volume of a flange section of thick bamboo length on the universal joint, shorten universal joint's length, this technical scheme makes the length of shaft coupling shorten nearly 30%, the structure of shaft coupling has been simplified, the steel-pipe shaft has been cancelled, the spline housing, integral key shaft and pressure spring, manufacturing cost has been reduced, simultaneously because the length of shaft coupling shortens, make the connection between the equipment more compact, supporting equipment's volume has been reduced.

Example 2

As shown in fig. 1 and fig. 2, the present embodiment is further limited on the basis of embodiment 1, in the present embodiment, a convex portion 3 is connected to an outer side wall of a transmission shaft of one universal joint body 1, a groove is formed in an outer side wall of a transmission shaft of another universal joint body 1, a front side and/or a rear side of the groove is opened, the convex portion 3 can rotate on a horizontal plane and enter the groove, a first threaded hole is formed in a top wall of the groove, a second threaded hole is formed in the convex portion 3, a bolt 4 can be in threaded connection with the first threaded hole and the second threaded hole, and in the present embodiment, it is preferable that both the front side and the rear side of the groove are opened.

In this embodiment, one side of the transmission shaft entering the universal joint body 1 is an inner side, and the other side is an outer side.

In this embodiment, the third threaded hole is formed in the bottom wall of the groove, and the bolt 4 can be simultaneously in threaded connection with the first threaded hole, the second threaded hole and the third threaded hole.

In this embodiment, the first threaded hole, the second threaded hole, the third threaded hole and the bolt 4 constitute a positioning unit, and the number of the positioning units is two.

In this embodiment, the top wall of the protrusion 3 contacts with the top wall of the groove, and the bottom wall of the protrusion 3 contacts with the bottom wall of the groove.

During installation, at first, bolt 4 is taken down, two transmission shafts are shifted to the front and back directions, the space occupied in the left and right directions is reduced, then two flange barrels 2 are sleeved on the shaft heads of the driving shaft and the driven shaft, the two transmission shafts are shifted, protruding parts 3 enter the grooves, bolt 4 and the first threaded hole, the second threaded hole and the third threaded hole are in threaded connection, fixing of the two transmission shafts is achieved, two universal joint bodies 1 are connected and fixed, installation is convenient, the telescopic amount of the length of one flange barrel is not needed to be set on the universal joint, the length of the universal joint is shortened, the length of the joint is shortened by nearly 30%, the structure of the joint is simplified, a steel pipe shaft, a spline sleeve, a spline shaft and a pressure spring are omitted, production cost is reduced, meanwhile, the length of the joint is shortened, connection between equipment is more compact, and the size of matched equipment is reduced.

Example 3

As shown in fig. 3 and fig. 4, the present embodiment is further limited on the basis of embodiment 1, in the present embodiment, first grooves are formed in outer side walls of transmission shafts of two universal joint bodies 1, front sides and/or rear sides of the first grooves are opened, first fixing blocks 5 can enter the two first grooves, a fourth threaded hole is formed in a top wall of each first groove, two fifth threaded holes are formed in the first fixing blocks 5, and two first bolts 6 can respectively pass through the two fourth threaded holes and enter the two fifth threaded holes. It is preferable in this embodiment that both the front side and the rear side of the first groove are open.

In this embodiment, a sixth threaded hole is formed in the bottom wall of the first groove, the first bolt 6 can be simultaneously in threaded connection with the fourth threaded hole, the fifth threaded hole and the sixth threaded hole, and the first bolt 6, the fourth threaded hole, the fifth threaded hole and the sixth threaded hole are in one-to-one correspondence.

In this embodiment, the top wall of the first fixing block 5 contacts with the top walls of the two first grooves, and the bottom wall of the first fixing block 5 contacts with the bottom walls of the two first grooves.

During installation, firstly two first bolts 6 are taken down, the first fixing block 5 is taken down, two transmission shafts are shifted in the front-back direction, the space occupied in the left-right direction is reduced, then two flange barrels 2 are sleeved on the shaft heads of the driving shaft and the driven shaft, then the two transmission shafts are shifted, the two transmission shafts are aligned, the first fixing block 5 is placed in two first grooves, then the first bolts 6 are in threaded connection with a fourth threaded hole, a fifth threaded hole and a sixth threaded hole, the first fixing block 5 is connected with the two transmission shafts in a matching mode through the two first bolts 6, the two universal joint bodies 1 are connected and fixed in a connecting mode, installation is convenient, the length of one flange barrel does not need to be set on the universal joint, the length of the universal joint is shortened by nearly 30%, the structure of the joint is simplified, a steel pipe shaft, a spline sleeve, a spline shaft and a pressure spring are cancelled, production cost is reduced, and meanwhile, the length of the joint is shortened, so that the connection between equipment is more compact, and the volume of matched equipment is reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a split type universal joint, its characterized in that, includes two universal joint bodies (1), be connected with flange section of thick bamboo (2) on the shell of universal joint body (1), the connection can be dismantled to the transmission shaft of two universal joint bodies (1), and flange section of thick bamboo (2) on two universal joint bodies (1) can be connected with the spindle nose of driving shaft spindle nose and driven shaft respectively, and the transmission shaft of two universal joint bodies (1) can align the back and connect.

2. The split type universal coupling is characterized in that a convex part (3) is connected to the outer side wall of a transmission shaft of one universal coupling body (1), a groove is formed in the outer side wall of the transmission shaft of the other universal coupling body (1), the front side and/or the rear side of the groove are/is opened, the convex part (3) can rotate on a horizontal plane and enter the groove, a first threaded hole is formed in the top wall of the groove, a second threaded hole is formed in the convex part (3), and a bolt (4) can be in threaded connection with the first threaded hole and the second threaded hole.

3. A split universal joint according to claim 2, characterized in that the bottom wall of the groove is provided with a third threaded hole, and the bolt (4) can be simultaneously in threaded connection with the first threaded hole, the second threaded hole and the third threaded hole.

4. The split universal coupling according to claim 2, wherein the first threaded hole, the second threaded hole, the third threaded hole and the bolt (4) constitute two positioning units.

5. A split universal joint according to claim 2, characterized in that the top wall of the protrusion (3) is in contact with the top wall of the groove and the bottom wall of the protrusion (3) is in contact with the bottom wall of the groove.

6. The split type universal coupling according to claim 1, wherein the outer side walls of the transmission shafts of the two universal joint bodies (1) are provided with first grooves, the front sides and/or the rear sides of the first grooves are/is opened, the first fixing blocks (5) can enter the two first grooves, the top walls of the first grooves are provided with fourth threaded holes, the first fixing blocks (5) are provided with two fifth threaded holes, and the two first bolts (6) can respectively pass through the two fourth threaded holes and enter the two fifth threaded holes.

7. The split type universal coupling according to claim 6, wherein a sixth threaded hole is formed in the bottom wall of the first groove, the first bolt (6) can be simultaneously in threaded connection with the fourth threaded hole, the fifth threaded hole and the sixth threaded hole, and the first bolt (6), the fourth threaded hole, the fifth threaded hole and the sixth threaded hole correspond to one another.

8. A split universal joint according to claim 6, characterized in that the top wall of the first fixed block (5) is in contact with the top walls of the two first grooves and the bottom wall of the first fixed block (5) is in contact with the bottom walls of the two first grooves.