Cross shaft universal coupling easy to disassemble and assemble

Abstract

The utility model relates to cross shaft technical field discloses a cross axle universal coupling convenient to dismount, including prong, cross axle, connecting rod, the cross axle is installed in prong, and connecting rod fixed mounting is in prong, be equipped with elastic assembly, clamping assembly, firm component on prong, and the elastic assembly is established in prong, and the clamping assembly is established in prong and cross axle, and firm component is established on clamping assembly, the utility model discloses through the elastic assembly of prong, the clamping assembly between prong and cross axle, the firm component on clamping assembly, solve the problem that existing coupling relies on hammer tool, and slow dismounting, and the elastic assembly is with the installation groove of elastic ring and adapts clamping, and the prong buffering and auxiliary accurate butt joint, and the clamping assembly is with the double cooperation of clamping rod and clamping groove, second clamping head and second clamping groove, and combines the installation head handle, and need not hammer realizes prong and cross axle fast positioning separation, and firm component is with screw and installs the head and prong, and guarantees stability.

Description

Technical Field

[0001] This utility model relates to the field of cross shaft technology, specifically a cross shaft universal coupling that is easy to assemble and disassemble. Background Technology

[0002] Universal joints, as key components in industrial transmission systems, are widely used in machine tools, automobiles, and construction machinery. Their primary function is to transmit torque between two shafts with different axes or relative positional changes, ensuring the stability and reliability of power transmission. In actual production and maintenance, universal joints need to be periodically disassembled and reassembled according to equipment repair and component replacement requirements. Therefore, the ease of disassembly and reassembly directly affects equipment maintenance efficiency and the continuity of the overall production process, making it a crucial consideration in the industry's design optimization of this type of component.

[0003] A patent document with publication number CN216111812U discloses a pin structure for a cross-shaft universal coupling that is easy to assemble and disassemble. The structure includes a central fixing block, bushings, and an outer fixing shaft. Each central fixing block has a bushing near its edge. A first groove is formed within each bushing, and the outer fixing shaft is engaged within this first groove. An annular stopper is connected to the end of each bushing. A second groove is formed on the inner wall of the bushing near the annular stopper. A first groove is formed on the outer periphery of the outer fixing shaft at a position corresponding to the second groove. A rubber retaining ring is engaged between the first and second grooves. This novel design features an anti-disengagement structure, preventing the fixing shaft from easily disengaging during use. The pin structure facilitates easy assembly and disassembly, making it suitable for widespread application.

[0004] The existing solutions and structures of the existing cross shaft universal couplings still have obvious limitations in actual disassembly and assembly operations: the fixing and disassembly processes generally require the use of hammer tools, and the operation steps also prolong the disassembly and assembly time, which may not be able to disassemble and replace quickly. Especially when the equipment suddenly fails and needs emergency repair, this lack of disassembly and assembly efficiency will further amplify the impact.

[0005] Therefore, this utility model proposes a cross-shaft universal coupling that is easy to assemble and disassemble to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide a cross-shaft universal coupling that is easy to assemble and disassemble, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a cross shaft universal coupling that is easy to assemble and disassemble, comprising a fork head, a cross shaft, and a connecting rod, wherein the cross shaft is installed inside the fork head, and the connecting rod is fixedly installed on the fork head;

[0008] The fork head is provided with an elastic component, a snap-fit ​​component, and a securing component. The elastic component is located on the fork head, the snap-fit ​​component is located between the fork head and the cross shaft, and the securing component is located on the snap-fit ​​component.

[0009] Preferably, the elastic ring in the elastic component is fitted and snapped into the mounting groove, which is fixedly disposed at both ends of the fork head, and the fork head includes an upper fork head and a lower fork head.

[0010] Preferably, the snap-fit ​​rods in the snap-fit ​​assembly are evenly and fixedly disposed on the mounting head, and the snap-fit ​​rods are adapted to snap-fit ​​into the snap-fit ​​grooves.

[0011] Preferably, the snap-fit ​​slots in the snap-fit ​​assembly are evenly arranged in the mounting slot, and the mounting slot is adapted to snap-fit ​​the mounting head.

[0012] Preferably, the second snap-fit ​​connector in the snap-fit ​​assembly is disposed on the inner side of the mounting head, and the second snap-fit ​​connector is adapted to snap-fit ​​into the second snap-fit ​​groove at the end of the cross shaft, and the end of the mounting head is provided with a handle.

[0013] Preferably, the screw in the securing assembly is installed on the mounting head and the fork head, the mounting head is provided with a first mounting hole, the fork head is provided with a second mounting hole, and the screw is threadedly connected to the first mounting hole and the second mounting hole.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: By setting an elastic component on the fork head, a snap-fit ​​component between the fork head and the cross shaft, and a securing component on the snap-fit ​​component, the problem of existing cross shaft universal couplings relying on external tools and having low disassembly and assembly efficiency is effectively solved. Among them, the elastic component provides elastic buffer for the fork head while assisting the precise docking of the fork head with other components through the matching snap-fit ​​of the elastic ring and the mounting groove; the snap-fit ​​component, with the double snap-fit ​​cooperation of the snap-fit ​​rod and the snap-fit ​​groove, and the second snap-fit ​​joint and the second snap-fit ​​groove, combined with the handle at the end of the mounting head, can achieve quick positioning and separation of the fork head and the cross shaft without external tools, greatly shortening the disassembly and assembly time; the securing component connects the mounting head and the mounting hole on the fork head with screws, ensuring the stability of the snap-fit ​​while preventing the components from shifting or falling off during disassembly and assembly. The overall structural design realizes the convenience and efficiency of coupling disassembly and assembly, reduces reliance on external tools, reduces the impact of downtime during equipment maintenance, and improves the maintenance efficiency and reliability of the transmission system. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the elastic component structure of this utility model;

[0017] Figure 3This is a schematic diagram of the snap-fit ​​assembly structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the robust component structure of this utility model.

[0019] In the diagram: 1. Fork head; 2. Cross shaft; 3. Connecting rod; 4. Elastic component; 5. Snap-fit ​​component; 6. Secure component; 401. Elastic ring; 402. Mounting groove; 501. Snap-fit ​​rod; 502. Mounting head; 503. Snap-fit ​​groove; 504. Second snap-fit ​​connector; 505. Second snap-fit ​​groove; 506. Handle; 601. Screw; 602. First mounting hole; 603. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some embodiments of this utility model, not all embodiments, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. The technical solutions in the embodiments of this utility model will be clearly and completely described below.

[0021] Example 1: Please refer to Figures 1 to 2 A universal joint with easy assembly and disassembly includes a fork head 1, a cross shaft 2, and a connecting rod 3. The cross shaft 2 is installed inside the fork head 1, and the connecting rod 3 is fixedly installed on the fork head 1. The fork head 1 is provided with an elastic component 4, a snap-fit ​​component 5, and a securing component 6. The elastic component 4 is provided on the fork head 1, the snap-fit ​​component 5 is provided between the fork head 1 and the cross shaft 2, and the securing component 6 is provided on the snap-fit ​​component 5.

[0022] The elastic ring 401 in the elastic component 4 is adapted and snapped into the mounting groove 402. The mounting groove 402 is fixedly set at both ends of the fork head 1. The fork head 1 includes an upper fork head and a lower fork head.

[0023] In use, the cross shaft 2 is installed inside the fork head 1. Then, the elastic ring 401 in the elastic component 4 is aligned with the mounting grooves 402 on both sides of the fork head 1. The elastic ring 401 is pushed into the mounting grooves 402 along the axial direction. The elastic deformation of the elastic ring 401 is used to achieve the fitting and snap-fit, thus completing the assembly of the elastic component 4 and the fork head 1. Next, the cross shaft 2 in the mounting cavity is initially adjusted to ensure that the relative position of the cross shaft 2 and the fork head 1 meets the assembly requirements. Then, the connecting rod 3 is aligned with the preset mounting position on the fork head 1 and the connecting rod 3 is securely installed on the fork head 1, preparing for subsequent connection with external equipment.

[0024] Example 2: Based on Example 1, please refer to... Figures 2 to 3 The snap-fit ​​rods 501 in the snap-fit ​​assembly 5 are evenly fixed on the mounting head 502, and the snap-fit ​​rods 501 are adapted to snap-fit ​​into the snap-fit ​​groove 503.

[0025] The snap-fit ​​slots 503 in the snap-fit ​​assembly 5 are evenly arranged in the mounting slot 402, and the mounting slot 402 is adapted to snap-fit ​​the mounting head 502.

[0026] In use, hold the mounting head 502 in the snap-fit ​​assembly 5 and align it with the mounting groove 402 on the fork head 1, so that the evenly distributed snap-fit ​​rods 501 on the mounting head 502 correspond one-to-one with the snap-fit ​​grooves 503 in the mounting groove 402. Then push the mounting head 502 axially to make the mounting head 502 and the mounting groove 402 fit and snap-fit ​​together. At the same time, the snap-fit ​​rods 501 gradually embed into the snap-fit ​​grooves 503 until the snap-fit ​​rods 501 are fully snapped into the snap-fit ​​grooves 503, completing the initial fixation of the mounting head 502 and the fork head 1. This process does not require external tools and can be achieved by manual pushing, which is convenient to operate. After installation, the cooperation between the snap-fit ​​rods 501 and the snap-fit ​​grooves 503 can limit the lateral movement of the mounting head 502, ensuring that the mounting head 502 is stably positioned on the fork head 1, providing a reliable foundation for the subsequent fixation of the cross shaft 2. At the same time, the guiding effect of the mounting groove 402 on the mounting head 502 can further improve the assembly accuracy of the snap-fit ​​assembly 5.

[0027] Example 3: Based on Example 2, please refer to... Figures 3 to 4 The second snap connector 504 in the snap-fit ​​assembly 5 is located on the inner side of the mounting head 502. The second snap connector 504 is adapted to snap into the second snap-fit ​​groove 505 at the end of the cross shaft 2. The end of the mounting head 502 is provided with a handle 506.

[0028] The screw 601 in the fastening component 6 is installed on the mounting head 502 and the fork head 1. The mounting head 502 is provided with a first mounting hole 602, and the fork head 1 is provided with a second mounting hole 603. The screw 601 is threadedly connected to the first mounting hole 602 and the second mounting hole 603.

[0029] In use, hold the handle 506 at the end of the mounting head 502 and fine-tune the position of the mounting head 502 so that the second locking connector 504 on the inner side of the mounting head 502 is aligned with the second locking groove 505 at the end of the cross shaft 2. Continue to push the mounting head 502 until the second locking connector 504 is fully engaged in the second locking groove 505. At this time, the cross shaft 2 is fixed in the fork head 1 through the cooperation of the second locking connector 504 and the second locking groove 503, realizing the quick positioning of the cross shaft 2 and the fork head 1. Then, take out the screw 601 from the fastening assembly 6 and align the screw 601 with the mounting head 502. The first mounting hole 602 and the second mounting hole 603 on the fork head 1 are connected by rotating the screw 601 clockwise. The screw 601 is threaded through both the first mounting hole 602 and the second mounting hole 603 until the screw 601 is tightened, which further strengthens the connection between the mounting head 502 and the fork head 1. When disassembling, simply unscrew the screw 601 counterclockwise and pull the handle 506 to disengage the mounting head 502, so that the second snap connector 504 is separated from the second snap groove 505, realizing the quick disassembly of the cross shaft 2 without the need for external tools such as hammers, which greatly improves the disassembly and assembly efficiency.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cross shaft universal coupling that is easy to assemble and disassemble, comprising a fork head (1), a cross shaft (2), and a connecting rod (3), wherein the cross shaft (2) is installed inside the fork head (1), and the connecting rod (3) is fixedly installed on the fork head (1); Its features are: It includes an elastic component (4), a snap-fit ​​component (5), and a securing component (6). The elastic component (4) is disposed on the fork head (1), the snap-fit ​​component (5) is disposed between the fork head (1) and the cross shaft (2), and the securing component (6) is disposed on the snap-fit ​​component (5).

2. The easy-to-assemble and disassemble universal joint according to claim 1, characterized in that: The elastic ring (401) in the elastic component (4) is fitted and snapped into the mounting groove (402). The mounting groove (402) is fixedly set at both ends of the fork head (1). The fork head (1) includes an upper fork head and a lower fork head.

3. The easy-to-assemble and disassemble universal joint according to claim 1, characterized in that: The snap-fit ​​rods (501) in the snap-fit ​​assembly (5) are evenly fixed on the mounting head (502), and the snap-fit ​​rods (501) are adapted to snap-fit ​​in the snap-fit ​​groove (503).

4. The easy-to-assemble and disassemble universal joint of the cross shaft according to claim 3, characterized in that: The snap-fit ​​slots (503) in the snap-fit ​​assembly (5) are evenly arranged in the mounting slot (402), and the mounting slot (402) is adapted to snap-fit ​​the mounting head (502).

5. The easy-to-assemble and disassemble universal joint according to claim 2, characterized in that: The second snap-fit ​​connector (504) in the snap-fit ​​assembly (5) is disposed on the inner side of the mounting head (502). The second snap-fit ​​connector (504) is adapted to snap-fit ​​into the second snap-fit ​​groove (505) at the end of the cross shaft (2). The end of the mounting head (502) is provided with a handle (506).

6. The easy-to-assemble and disassemble universal joint according to claim 1, characterized in that: The screw (601) in the fastening component (6) is installed on the mounting head (502) and the fork (1). The mounting head (502) is provided with a first mounting hole (602), and the fork (1) is provided with a second mounting hole (603). The screw (601) is threadedly connected to the first mounting hole (602) and the second mounting hole (603).

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