CN221647452U

CN221647452U - Combined universal joint transmission shaft

Info

Publication number: CN221647452U
Application number: CN202323606428.4U
Authority: CN
Inventors: 周雪冬; 郁建锋
Original assignee: Suzhou Dongling New Material Technology Co ltd
Current assignee: Suzhou Dongling New Material Technology Co ltd
Priority date: 2023-12-28
Filing date: 2023-12-28
Publication date: 2024-09-03
Anticipated expiration: 2033-12-28

Abstract

The utility model discloses a combined universal joint transmission shaft, which relates to the technical field of transmission shaft equipment, and comprises a shaft rod, an inner connecting seat, a universal joint and an outer positioning seat, wherein the surface of the outer positioning seat is provided with a square seat, a first elastic clamping mechanism and a switching adjusting mechanism from left to right, the inner wall of the square seat is connected with a disc seat in a sliding manner, the left and right sides of the surface of the disc seat are provided with a second elastic clamping mechanism and a first positioning clamping hole, one end of the first elastic clamping mechanism corresponds to the first positioning clamping hole, the inner wall of the disc seat is slidably connected with a threaded cylinder seat, the surface of the threaded cylinder seat is provided with a second positioning clamping hole, and one end of the second elastic clamping mechanism corresponds to the second positioning clamping hole; the connecting seat is of a combined design, can provide various connecting modes, is applicable to different working conditions and applications, and is high in practicability and good in use effect.

Description

Combined universal joint transmission shaft

Technical Field

The utility model relates to the technical field of transmission shaft equipment, in particular to a combined universal joint transmission shaft.

Background

The transmission shaft is a rotating body with high rotating speed and few supports, so that the dynamic balance of the transmission shaft is critical, the dynamic balance test is carried out on the transmission shaft before delivery, the transmission shaft is regulated on a balancing machine, the transmission shaft transmits the rotation of a speed changer to a shaft of a main speed reducer for a front engine rear wheel driven vehicle, the transmission shaft can be in several sections, and the sections can be connected by universal joints.

The patent application document with the publication number of CN219734012U discloses a combined universal joint transmission shaft, the device makes the installation of the universal joint transmission shaft comparatively fast and convenient through improving the universal joint, but in the use, because the structures of external connecting seats are different, the external connecting seats have square shapes, have discs and screw thread cylinder columns, and the shape of the connecting seat in the existing transmission shaft is single, and the connection mode is limited, and can not meet the use requirement. To this end, we propose a compound universal joint drive shaft.

Disclosure of utility model

The utility model adopts the following technical scheme for realizing the purposes:

The utility model provides a combination formula universal joint transmission shaft, includes axostylus axostyle, interior connecting seat, universal joint and outer positioning seat, outer positioning seat surface is provided with square seat, first elasticity joint mechanism and switches adjustment mechanism from a left side to the right side, square seat inner wall sliding connection has the disc seat, just be provided with second elasticity joint mechanism and first location draw-in hole about the disc seat surface, first elasticity joint mechanism one end is corresponding with first location draw-in hole position, disc seat inner wall sliding connection has a screw thread section of thick bamboo post seat, just screw thread section of thick bamboo post seat surface is provided with the second location draw-in hole, second elasticity joint mechanism one end is corresponding with the second location draw-in hole position, it runs through into square seat inside to switch adjustment mechanism one end, and threaded connection is in respectively disc seat and screw thread section of thick bamboo post seat inner wall.

Further, the first elastic clamping mechanism and the second elastic clamping mechanism are identical in structure, the first elastic clamping mechanism comprises a fixed rod barrel, clamping rods and springs, the fixed rod barrel is in threaded connection with the surface of the outer positioning seat and corresponds to the first positioning clamping holes, the clamping rods are slidably connected to the inner walls of the fixed rod barrel and fixedly connected with the springs between the inner walls of the fixed rod barrel, and one ends of the clamping rods penetrate through the bottoms of the fixed rod barrel and are fixedly clamped with the first positioning clamping holes.

Further, the switching adjustment mechanism comprises a mounting column casing, a vertical transmission rod, a worm part, an adjustment wheel, a mounting base, a transverse transmission rod, a first threaded part, a second threaded part and a worm wheel, wherein the mounting column casing is in threaded connection with the surface of an outer positioning seat, the vertical transmission rod is rotationally connected with the inner wall of the mounting column casing, the worm part is fixedly connected with the surface of the vertical transmission rod, the adjustment wheel is rotationally connected with the top of the outer positioning seat and fixedly connected with one end of the vertical transmission rod, the mounting base is fastened on the surface of the outer positioning seat and is positioned on one side of the mounting column casing, the transverse transmission rod is rotationally connected with the inner wall of the mounting base, one end of the transverse transmission rod penetrates into the inside of the square seat and is in threaded connection with the inner wall of the threaded column casing and the disc seat respectively through the first threaded part and the second threaded part, and the other end of the transverse transmission rod penetrates out of the mounting base and is fixedly connected with the worm wheel, and is positioned on one side of the worm wheel and is in meshed connection with the worm part.

Further, the length of the first thread part is longer than that of the second thread part, and the length ratio of the first thread part to the second thread part is 2:1.

Further, the surface of the square seat is provided with a step groove, the inner wall of the step groove is provided with a through groove, the step groove and the through groove are matched with the outline dimension of the disc seat, and the outer surface of the disc seat is in the same plane with the surface of the square seat.

Further, a straight key and a straight groove are respectively arranged at the position corresponding to the position of the inner wall of the disc seat on the surface of the threaded cylinder seat and the position corresponding to the position of the inner wall of the through groove on the surface of the disc seat, and the straight key is slidably connected to the inner wall of the straight groove.

The beneficial effects of the utility model are as follows:

1. The connecting seat is of a combined design, can provide various connecting modes, is applicable to different working conditions and applications, and has strong practicability and good use effect;

2. The utility model is provided with the switching regulating mechanism, and the position of the threaded cylinder base and the position of the disc base are conveniently changed by arranging the switching regulating mechanism, so that the switching operation is realized, the operation is simple, and the use effect is good;

3. The utility model is provided with the first elastic clamping mechanism and the second elastic clamping mechanism, and the first elastic clamping mechanism and the second elastic clamping mechanism are used for clamping and fixing the disc seat and the threaded cylinder seat after the disc seat and the threaded cylinder seat move to the set positions, so that the disc seat and the threaded cylinder seat are prevented from being displaced, and the use effect is good.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a disc seat according to the present utility model;

FIG. 3 is a schematic diagram of a switching adjustment mechanism according to the present utility model;

fig. 4 is a schematic structural view of a first elastic clamping mechanism in the present utility model.

Reference numerals: 1. a shaft lever; 2. an inner connecting seat; 3. a universal joint; 4. an outer positioning seat; 5. a square seat; 6. the first elastic clamping mechanism; 7. a switching adjustment mechanism; 8. a disc seat; 9. the second elastic clamping mechanism; 10. a first positioning clamping hole; 11. a threaded cylinder base; 12. a second positioning clamping hole; 61. a fixed rod barrel; 62. a clamping rod; 63. a spring; 71. installing a column casing; 72. a vertical transmission rod; 73. a worm part; 74. an adjusting wheel; 75. a mounting base; 76. a transverse transmission rod; 77. a first threaded portion; 78. a second threaded portion; 79. a worm wheel; 100. a step groove; 13. a key; 14. a straight slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

The application provides a combined universal joint transmission shaft which is mainly used for solving the problem of single connection mode and provides the following technical scheme, and the following technical scheme is described in detail with reference to fig. 1-4:

The utility model provides a combination formula universal joint transmission shaft, including axostylus axostyle 1, interior connecting seat 2, universal joint 3 and outer positioning seat 4, outer positioning seat 4 surface is provided with square seat 5 from a left side to the right side, first elasticity joint mechanism 6 and switching adjustment mechanism 7, square seat 5 inner wall sliding connection has disc seat 8, and disc seat 8 surface is provided with second elasticity joint mechanism 9 and first location draw-in hole 10 about, first elasticity joint mechanism 6 one end is corresponding with first location draw-in hole 10 position, disc seat 8 inner wall sliding connection has screw thread section of thick bamboo post seat 11, and screw thread section of thick bamboo post seat 11 surface is provided with second location draw-in hole 12, second elasticity joint mechanism 9 one end is corresponding with second location draw-in hole 12 position, switching adjustment mechanism 7 one end is run through square seat 5 inside, and threaded connection is at disc seat 8 and screw thread section of thick bamboo post seat 11 inner wall respectively.

It should be noted that: the use of the square seat 5, the first elastic clamping mechanism 6 and the switching adjusting mechanism 7 does not affect the use of the universal joint 3.

As shown in fig. 1 to 4, in some embodiments, the first elastic clamping mechanism 6 has the same structure as the second elastic clamping mechanism 9, the first elastic clamping mechanism 6 includes a fixing rod barrel 61, a clamping rod 62 and a spring 63, the fixing rod barrel 61 is in threaded connection with the surface of the outer positioning seat 4 and corresponds to the position of the first positioning clamping hole 10, the clamping rod 62 is slidably connected to the inner wall of the fixing rod barrel 61, the spring 63 is fixedly connected between the clamping rod 62 and the inner wall of the fixing rod barrel 61, and one end of the clamping rod 62 penetrates through the bottom of the fixing rod barrel 61 and is clamped and fixed with the first positioning clamping hole 10.

It should be noted that: further explaining the structure and connection relation of the first elastic clamping mechanism 6 and the second elastic clamping mechanism 9, the first elastic clamping mechanism 6 and the second elastic clamping mechanism 9 are arranged to be used for clamping and fixing the disc seat 8 and the threaded cylinder seat 11 after the disc seat 8 and the threaded cylinder seat 11 move to the set positions, so that the disc seat is prevented from being displaced, and the use effect is good.

As shown in fig. 1-4, in some embodiments, the switching adjustment mechanism 7 includes a mounting post 71, a vertical transmission rod 72, a worm 73, an adjustment wheel 74, a mounting base 75, a transverse transmission rod 76, a first threaded portion 77, a second threaded portion 78 and a worm wheel 79, wherein the mounting post 71 is in threaded connection with the surface of the outer positioning seat 4, the vertical transmission rod 72 is rotatably connected with the inner wall of the mounting post 71, the worm 73 is fixedly connected with the surface of the vertical transmission rod 72, the adjustment wheel 74 is rotatably connected with the top of the outer positioning seat 4 and fixedly connected with one end of the vertical transmission rod 72, the mounting base 75 is fastened on the surface of the outer positioning seat 4 and is located at one side of the mounting post 71, the transverse transmission rod 76 is rotatably connected with the inner wall of the mounting base 75, one end of the transverse transmission rod 76 penetrates into the square seat 5 and is in threaded connection with the inner wall of the threaded cylinder post 11 and the disc seat 8 through the first threaded portion 77 and the second threaded portion 78, the other end of the transverse transmission rod 76 penetrates out of the mounting base 75 and is fixedly connected with 79, 79 is located at one side of the worm 73 and is meshed with the worm wheel 73.

It should be noted that: further explaining the structure and connection relation of the switching regulating mechanism 7, setting the switching regulating mechanism 7 is convenient for changing the positions of the threaded cylinder base 11 and the disc base 8, thereby realizing switching operation and having good use effect.

As shown in fig. 1-4, in some embodiments, the first threaded portion 77 is longer than the second threaded portion 78, and the ratio of the lengths of the first threaded portion 77 to the second threaded portion 78 is 2:1.

It should be noted that: further, the lengths of the first screw thread portion 77 and the second screw thread portion 78 are limited, and by limiting the lengths thereof, the stroke of the screw thread cylinder seat 11 and the disk seat 8 is limited, so that the use effect is good.

As shown in fig. 1-4, in some embodiments, the surface of the square seat 5 is provided with a step groove 100, and the inner wall of the step groove 100 is provided with a through groove, the step groove 100 and the through groove are both matched with the external dimension of the disc seat 8, and the external surface of the disc seat 8 is in the same plane with the surface of the square seat 5.

It should be noted that: the step groove 100 and the through groove are arranged to facilitate the installation of the disc seat 8, and the same plane design of the outer surface of the disc seat 8 and the surface of the square seat 5 is convenient for the installation of the square seat 5, so that the use effect is good.

As shown in fig. 1-4, in some embodiments, a key 13 and a slot 14 are respectively disposed at a position corresponding to the inner wall of the disc seat 8 on the surface of the threaded cylinder seat 11 and a position corresponding to the inner wall of the through slot on the surface of the disc seat 8, and the key 13 is slidably connected to the inner wall of the slot 14.

It should be noted that: the arrangement of the straight key 13 and the straight groove 14 ensures that the threaded cylinder base 11 and the disc base 8 can horizontally move, and the use effect is good.

Working principle: in the initial state, one end of the clamping rod 62 in the first elastic clamping mechanism 6 is abutted against the surface of the disc seat 8, but the thrust of the second threaded portion 78 for driving the disc seat 8 to move is larger than the elastic force of the spring 63, one end of the clamping rod 62 in the second elastic clamping mechanism 9 is abutted against the surface of the threaded cylinder column seat 11, but the thrust of the first threaded portion 77 for driving the threaded cylinder column seat 11 to move is larger than the elastic force of the spring 63, when the square seat is used, the square seat 5 and the external connection seat are directly connected through bolts, if the external connection seat is disc-shaped, the adjusting wheel 74 is required to be screwed, the adjusting wheel 74 rotates to synchronously drive the vertical transmission rod 72 and the worm portion 73 to rotate, the worm portion 73 rotates to synchronously drive the worm wheel 79, the transverse transmission rod 76, the first threaded portion 77 and the second threaded portion 78 to rotate, the first threaded portion 77 and the second threaded portion 78 rotate to synchronously drive the threaded cylinder column seat 11 and the disc seat 8 to move outwards, because the threaded cylindrical seat 11 and the disc seat 8 move synchronously, the relative position of the threaded cylindrical seat 11 inside the disc seat 8 is always unchanged in the moving process, when the disc seat 8 moves out of the square seat 5, the first positioning clamping hole 10 on the surface of the disc seat 8 moves to the position of the first elastic clamping mechanism 6 and is clamped and fixed with the clamping rod 62 in the first elastic clamping mechanism 6, at the moment, the disc seat 8 moves to the tail end position of the second threaded part 78, the threaded cylindrical seat 11 moves to the middle end position of the first threaded part 77, then the disc seat 8 is directly connected with an external connecting seat through bolts, if the external connecting seat is the threaded cylindrical seat, the adjusting wheel 74 is required to be continuously screwed, the adjusting wheel 74 rotates to link the threaded cylindrical seat 11 to move out of the disc seat 8, when the threaded cylindrical seat 11 moves out of the disc seat 8, the second positioning clamping hole 12 on the surface of the screw thread cylinder seat 11 is moved to the position of the second elastic clamping mechanism 9 and is clamped and fixed with the clamping rod 62 in the second elastic clamping mechanism 9, at the moment, the screw thread cylinder seat 11 is moved to the tail end position of the first screw thread part 77, and then the screw thread cylinder seat 11 is directly connected with an external connecting seat.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a combination formula universal joint transmission shaft, includes axostylus axostyle (1), interior connecting seat (2), universal joint (3) and outer positioning seat (4), its characterized in that, outer positioning seat (4) surface is provided with square seat (5), first elasticity joint mechanism (6) and switching adjustment mechanism (7) from a left side to the right side, square seat (5) inner wall sliding connection has disc seat (8), just disc seat (8) surface is provided with second elasticity joint mechanism (9) and first location draw-in hole (10) about, first elasticity joint mechanism (6) one end is corresponding with first location draw-in hole (10) position, disc seat (8) inner wall sliding connection has screw thread section of thick bamboo post seat (11), just screw thread section of thick bamboo post seat (11) surface is provided with second location draw-in hole (12), second elasticity joint mechanism (9) one end and second location draw-in hole (12) position are corresponding, switching adjustment mechanism (7) one end runs through into square seat (5) inside to screw thread connection respectively disc seat (8) and screw thread section of thick bamboo post seat (11).

2. The combined universal joint transmission shaft according to claim 1, wherein the first elastic clamping mechanism (6) and the second elastic clamping mechanism (9) have the same structure, the first elastic clamping mechanism (6) comprises a fixed rod barrel (61), a clamping rod (62) and a spring (63), the fixed rod barrel (61) is in threaded connection with the surface of the outer positioning seat (4) and corresponds to the position of the first positioning clamping hole (10), the clamping rod (62) is in sliding connection with the inner wall of the fixed rod barrel (61), the spring (63) is fixedly connected between the clamping rod and the inner wall of the fixed rod barrel (61), and one end of the clamping rod (62) penetrates out of the bottom of the fixed rod barrel (61) and is clamped and fixed with the first positioning clamping hole (10).

3. The combined universal joint transmission shaft according to claim 1, wherein the switching adjusting mechanism (7) comprises a mounting column casing (71), a vertical transmission rod (72), a worm part (73), an adjusting wheel (74), a mounting base (75), a transverse transmission rod (76), a first threaded part (77), a second threaded part (78) and a worm wheel (79), the mounting column casing (71) is in threaded connection with the surface of an outer positioning seat (4), the vertical transmission rod (72) is in rotary connection with the inner wall of the mounting column casing (71), the worm part (73) is fixedly connected with the surface of the vertical transmission rod (72), the adjusting wheel (74) is in rotary connection with the top of the outer positioning seat (4) and is fixedly connected with one end of the vertical transmission rod (72), the mounting base (75) is in threaded connection with the surface of the outer positioning seat (4) and is positioned on one side of the mounting column casing (71), one end of the transverse transmission rod (76) penetrates through the inner square block (5) and penetrates through the first threaded part (77) and the other end of the outer threaded seat (75) and penetrates through the threaded disc (8), the worm wheel (79) is fixedly connected, and the worm wheel (79) is positioned on one side of the worm part (73) and is meshed with the worm part (73).

4. A compound universal joint transmission shaft according to claim 3, characterized in that the length of the first threaded portion (77) is greater than the length of the second threaded portion (78), the ratio of the length of the first threaded portion (77) to the length of the second threaded portion (78) being 2:1.

5. The combined universal joint transmission shaft according to claim 1, wherein the surface of the square seat (5) is provided with a step groove (100), the inner wall of the step groove (100) is provided with a through groove, the step groove (100) and the through groove are matched with the outline dimension of the disc seat (8), and the outer surface of the disc seat (8) is in the same plane with the surface of the square seat (5).

6. The combined universal joint transmission shaft according to claim 5, wherein a key (13) and a groove (14) are respectively arranged at the position corresponding to the inner wall of the disc seat (8) on the surface of the threaded cylinder seat (11) and the position corresponding to the inner wall of the through groove on the surface of the disc seat (8), and the key (13) is slidably connected to the inner wall of the groove (14).