Quickly-assembled universal coupling

Abstract

The utility model discloses a fast-assembly type universal coupling, relates to the technical field of universal couplings, and aims to solve the problem that an existing universal coupling is inconvenient to disassemble and assemble in a small-space environment. Comprising a universal joint and a hoop, the universal joint comprises two sets of universal joints, each universal joint comprises a connecting fork head, a transmission fork head and a cross shaft, the opposite sides of the two sets of connecting fork heads are rotationally connected with the transmission fork heads through the cross shafts, and the back sides of the two sets of connecting fork heads are connected with an engine tail flywheel and a power distribution shaft correspondingly. The two groups of transmission fork heads are connected through the hoop; the hoop is of a split structure and comprises a left portion and a right portion, and the left portion and the right portion are connected through a connecting bolt. The hoop of a split structure is adopted, when the universal coupling needs to be disassembled, the universal coupling can be disassembled by disassembling the hoop, installation is rapid and convenient, and maintenance and disassembly are rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of universal couplings, in particular to a quick-install universal coupling. Background Art

[0002] The universal coupling utilizes the characteristics of its mechanism to enable the two connected shafts to rotate continuously when the two shafts are not on the same axis and there is an angle between the axes, and to reliably transmit torque and motion.

[0003] Existing universal couplings usually adopt a left-right split design. When used and installed, the left and right parts need to be plugged in and connected with a pin shaft to achieve the purpose of transmission. When the left and right parts are plugged in, there needs to be enough space to allow the two parts to be misaligned before they can be plugged in. When used in an environment with a small space, it is inconvenient to install and connect the two parts, which affects the work efficiency of the staff and is inconvenient to disassemble and maintain the driving equipment and the driven equipment.

[0004] Therefore, the present application provides a quick-install universal coupling to meet the needs. Utility Model Content

[0005] The purpose of the present application is to provide a quick-install universal coupling, aiming to solve the problem that the existing universal coupling is inconvenient to disassemble and install in a small space environment.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a quick-install universal coupling, comprising a universal joint and a clamp; the universal joint is provided with two groups, the universal joint comprises a connecting fork, a transmission fork and a cross shaft, the facing sides of the two groups of the connecting forks are rotatably connected with the transmission forks through the cross shaft, the back sides of the two groups of the connecting forks are respectively connected to the flywheel at the rear of the engine and the power distribution shaft, and the two groups of transmission forks are connected through the clamp; the clamp adopts a split structure, including a left part and a right part, and the left part and the right part are connected by a connecting bolt; the clamp with a split structure can be disassembled by disassembling the clamp when it needs to be disassembled, so the universal coupling can be disassembled, and the installation is quick and convenient, and the maintenance and disassembly are quick.

[0007] Preferably, the connecting fork head includes a connecting plate and a fork head portion, the connecting plate is provided with bolt holes for connecting with the engine rear flywheel and the power distribution shaft, the fork head portion is provided on the facing surfaces of the connecting plate and the cross shaft, and the fork head portion is rotationally connected to the cross shaft.

[0008] Preferably, mounting countersunk holes are opened on the back surfaces of the connecting plate and the cross shaft, and a quick-install universal coupling is used to transmit and fix the flywheel at the rear of the engine and the power distribution shaft, so that the connection is firm and the power transmission is strong.

[0009] Preferably, the transmission fork head includes a mounting portion and a transmission shaft, the mounting portion is rotationally connected to the connecting fork head through the cross shaft, the transmission shaft is cylindrical and adapted to the size of the clamp, and a clamping structure is also provided between the transmission shaft and the clamp.

[0010] Preferably, the clamping structure includes a flat key, a through groove and a flat key groove. The flat key groove is provided on the transmission shaft. The flat key for connecting with the clamp is provided in the flat key groove. The through groove matched with the size of the flat key is provided on the clamp.

[0011] In summary, the technical effects and advantages of the utility model are:

[0012] In the utility model, a quick-install universal coupling is used to fix the transmission between the flywheel at the tail of the engine and the power distribution shaft, the connection is firm, and the power transmission is strong; a split-structure clamp is adopted, and when disassembly is needed, the universal coupling can be disassembled by disassembling the clamp, and the installation is fast and convenient, and the maintenance and disassembly are quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 This is a schematic diagram of the installation structure of the utility model;

[0017] Figure 4 It is a partial structural schematic diagram of the utility model;

[0018] Figure 5 This is a schematic diagram of the hoop structure of the utility model;

[0019] Figure 6 It is a schematic diagram of the universal joint structure of the utility model;

[0020] Figure 7 It is a schematic diagram of the local structure of the clamp of the utility model.

[0021] In the figure: 1, clamp; 11, left part; 12, right part; 13, through groove;

[0022] 2. Connecting fork head; 21. Mounting countersunk hole; 22. Bolt hole; 23. Connecting plate; 24. Fork head;

[0023] 3. Transmission fork; 31. Mounting portion; 32. Transmission shaft; 33. Flat keyway;

[0024] 4. Cross axis;

[0025] 5. Connecting bolts. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0027] refer to Figure 1-7 A quick-install universal coupling shown includes a universal joint and a clamp 1;

[0028] The universal joint is provided with two groups, and the universal joint includes a connecting fork 2, a transmission fork 3 and a cross shaft 4. The facing sides of the two groups of connecting forks 2 are rotatably connected with the transmission fork 3 through the cross shaft 4. Under the action of the cross shaft 4, the connecting fork 2 and the transmission fork 3 are matched and transmitted, and torque and motion can be reliably transmitted. The back sides of the two groups of connecting forks 2 are respectively connected to the engine tail flywheel and the power distribution shaft, and the two groups of transmission forks 3 are connected through the clamp 1;

[0029] The clamp 1 adopts a split structure. Figure 5 As shown, it includes a left part 11 and a right part 12 , the left part 11 and the right part 12 have the same structure, and the left part 11 and the right part 12 are connected by a connecting bolt 5 .

[0030] As an implementation method in this embodiment, the connecting fork head 2 includes a connecting plate 23 and a fork head 24. The connecting plate 23 is provided with bolt holes 22 for connecting to the flywheel at the rear of the engine and the power distribution shaft. The connecting plate 23 shown is a rectangular plate. There are four groups of bolt holes 22, which are opened at the corners of the connecting plate 23. The fork head 24 is provided on the facing surface of the connecting plate 23 and the cross shaft 4. The fork head 24 is rotatably connected to the cross shaft 4; the connecting plate 23 and the back surface of the cross shaft 4 are provided with mounting countersunk holes 21.

[0031] As an implementation mode in this embodiment, the transmission fork head 3 includes a mounting portion 31 and a transmission shaft 32, the mounting portion 31 is rotatably connected to the connecting fork head 2 through the cross shaft 4, the transmission shaft 32 is cylindrical and matched with the size of the clamp 1, and a clamping structure is also provided between the transmission shaft 32 and the clamp 1; the clamping structure includes a flat key and a through groove 13, a flat key groove 33, and the transmission shaft 32 is provided with the flat key groove 33, and the flat key groove 33 is provided with the flat key for connecting with the clamp 1, and the clamp 1 is provided with the through groove 13 matched with the size of the flat key, and two groups of transmission shafts 32 are clamped by setting a flat key and the clamp 1. When one group of transmission shafts 32 rotates, the clamping relationship between the flat key and the through groove 13 on the clamp 1 can be used to drive the other group of transmission shafts 32 to rotate, thereby realizing transmission.

[0032] The practical working principle of the present invention is as follows: during installation, the two sets of universal joints are respectively connected to the flywheel and the power distribution shaft at the tail of the engine through the bolt holes 22 and the mounting countersunk holes 21 on the connecting plate 23. After the universal joints are installed, the positions and directions of the transmission shafts 32 on the two sets of universal joints are adjusted so that the axis centers of the two sets of transmission shafts 32 coincide with each other. The two sets of transmission shafts 32 are connected using the clamp 1, and the through groove 13 on the clamp 1 is aligned with the flat key groove 33. The left part 11 and the right part 12 wrap the two sets of transmission shafts 32. At this time, a part of the flat key in the flat key groove 33 is located in the flat key groove 33, and the other part of the flat key is located in the through groove 13. The left part 11 and the right part 12 are connected using the connecting bolts 5, and the connection of the two sets of transmission shafts 32 by the clamp 1 is completed, and the installation of the universal coupling is completed at the same time.

[0033] The electromechanical connection involved in the present utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of tests, which belongs to common knowledge.

[0034] Components not described in detail herein are prior art.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick-install universal coupling, characterized in that: It includes a universal joint and a clamp (1); The universal joint is provided with two groups, and the universal joint comprises a connecting fork (2), a transmission fork (3) and a cross shaft (4); the facing sides of the two groups of connecting forks (2) are rotatably connected to the transmission forks (3) via the cross shaft (4); the back sides of the two groups of connecting forks (2) are respectively connected to the engine tail flywheel and the power distribution shaft; the two groups of transmission forks (3) are connected via the clamp (1); The clamp (1) adopts a split structure, comprising a left part (11) and a right part (12), wherein the left part (11) and the right part (12) are connected via a connecting bolt (5).

2. A quick-install universal coupling according to claim 1, characterized in that: The connecting fork head (2) comprises a connecting plate (23) and a fork head (24); the connecting plate (23) is provided with a bolt hole (22) for connecting to a flywheel at the rear of the engine and a power distribution shaft; the fork head (24) is provided on the facing surface of the connecting plate (23) and the cross shaft (4); the fork head (24) is rotatably connected to the cross shaft (4).

3. A quick-install universal coupling according to claim 2, characterized in that: A mounting countersunk hole (21) is provided on the back surfaces of the connecting plate (23) and the cross shaft (4).

4. The quick-install universal coupling according to claim 1, characterized in that: The transmission fork (3) comprises a mounting portion (31) and a transmission shaft (32); the mounting portion (31) is rotatably connected to the connecting fork (2) via the cross shaft (4); the transmission shaft (32) is cylindrical and matches the size of the clamp (1); and a clamping structure is further provided between the transmission shaft (32) and the clamp (1).

5. The quick-install universal coupling according to claim 4, characterized in that: The clamping structure comprises a flat key and a through slot (13), and a flat key slot (33); the transmission shaft (32) is provided with the flat key slot (33); the flat key for connecting to the clamp (1) is arranged in the flat key slot (33); the clamp (1) is provided with the through slot (13) whose size matches that of the flat key.

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