A detachable rod end joint bearing
By introducing components such as positioning rods and magnetic blocks into the detachable rod end joint bearings, the problem of sleeve misalignment during disassembly is solved, enabling rapid disassembly and flexible length adjustment, simplifying the operation process, and improving disassembly efficiency and adaptability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO FENGZE MASCH MFG CO LTD
- Filing Date
- 2025-07-28
- Publication Date
- 2026-07-07
Smart Images

Figure CN224469490U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of detachable rod end joint bearing technology, and in particular to a detachable rod end joint bearing. Background Technology
[0002] In the field of mechanical transmission and connection, rod end bearings are key components for realizing angle adjustment and load transfer between rods and equipment. They are widely used in automation equipment, robot joints, automobile suspensions and other scenarios. Their core function is to adapt to a certain angle of swing and tilt through the spherical contact between the inner and outer rings, while bearing radial and axial combined loads.
[0003] In some existing designs of detachable rod end spherical bearings, the locking structure of the disassembly component may rely on a single bolt connection, lacking auxiliary positioning and pre-fixing mechanisms. During disassembly, the bolt constraint must be completely released before the bearing sleeve can be separated. During this process, the sleeve is prone to displacement due to loss of positioning, increasing the difficulty of operation. Collision and wear may affect the accuracy of the component. Therefore, we propose a detachable rod end spherical bearing. Utility Model Content
[0004] The purpose of this utility model is to provide a detachable rod end joint bearing to solve the problems mentioned in the background art, such as the locking structure of the detachable component relying on a single bolt connection, lacking auxiliary positioning and pre-fixing mechanisms, requiring the bolt constraint to be completely released before the bearing sleeve can be separated, and the sleeve is prone to displacement due to loss of positioning during the process, increasing the difficulty of operation, and the component accuracy may be affected by collision and wear.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a detachable rod end joint bearing, comprising an upper bearing sleeve, a lower bearing sleeve, and a rod end body. A base is fixedly connected to the bottom of the lower bearing sleeve. Bearing bodies are provided on the inner walls of the upper and lower bearing sleeves. A disassembly assembly is provided on the outside of the upper bearing sleeve. The disassembly assembly includes a positioning rod, a magnetic block, a magnetically conductive metal sheet, an L-shaped block, a rotating rod, a connecting block, and bolts. Multiple sets of positioning rods are provided, and the multiple sets of positioning rods are respectively fixedly connected to the bottom two sides of the upper bearing sleeve. Multiple sets of positioning grooves are opened on both sides of the top of the lower bearing sleeve, and the multiple sets of positioning rods are respectively slidably connected to the inner walls of the multiple sets of positioning grooves.
[0006] As a preferred embodiment, the magnetic blocks are provided in two sets, and the two sets of magnetic blocks are fixedly connected to the bottom of the upper bearing sleeve. Grooves are provided on both sides of the top of the lower bearing sleeve. The magnetic conductive metal sheets are provided in two sets, and the two sets of magnetic conductive metal sheets are fixedly installed on the inner bottom wall of the groove.
[0007] As a preferred embodiment, the two sets of magnetic blocks are magnetically connected to the two sets of magnetically conductive metal sheets respectively, the L-shaped block is fixedly connected to the top of the upper bearing sleeve, the two ends of the rotating rod are rotatably connected to the inner walls of the bottom two sides of the L-shaped block respectively, and one end of the connecting block is fixedly connected to the outer wall of the rotating rod.
[0008] As a preferred embodiment, the surface of the connecting block is in contact with the bottom surface of the lower bearing sleeve, and the bolts are all threadedly connected to the top of the L-shaped block, the top of the upper bearing sleeve, the top of the lower bearing sleeve, and the top of the connecting block. The top of the L-shaped block, the top of the upper bearing sleeve, the top of the lower bearing sleeve, and the top of the connecting block are all provided with threaded holes for threaded connection with the bolts.
[0009] As a preferred embodiment, the bottom of the base is provided with a length adjustment component, which includes a screw and a bolt. The upper end of the screw is fixedly connected to the bottom of the base, and the inner wall of the top of the rod end body is provided with an internal thread. The outer wall of the screw is threadedly connected to the internal thread.
[0010] As a preferred embodiment, a rubber sleeve is fitted on the outer wall of the rod end body, a threaded groove is formed on the right outer wall of the rod end body, the outer wall of the screw is threadedly connected to the inner wall of the threaded groove, and the left end of the screw is in contact with the outer wall of the screw rod.
[0011] The technical effects and advantages of this utility model are as follows:
[0012] 1. With the designed disassembly components, during disassembly, first unscrew the bolts to release the rigid lock, then rotate the connecting block around the rotating rod to detach it from the lower bearing sleeve, and finally overcome the attraction force between the magnetic block and the magnetic metal sheet to pull up the upper bearing sleeve so that the positioning rod slides out of the positioning groove. This allows for quick separation of the upper and lower bearing sleeves. The entire process requires no complicated tools and only a few simple steps to separate the upper and lower bearing sleeves, greatly simplifying the maintenance or replacement process of the bearing body. Compared with the traditional integral bearing sleeve, the disassembly efficiency is significantly improved.
[0013] 2. With the length adjustment component, during adjustment, the operator holds the rubber sleeve and rotates the rod end. The internal thread engages with the screw to achieve axial extension and retraction to adjust the length. After the length is adjusted to the correct position, the screw is screwed into the thread groove and the screw is tightened. The adjusted length is locked by friction. The entire process does not require disassembling the bearing body. The length can be flexibly adjusted to adapt to different installation position errors. The operation is simple and does not require complicated tools. Compared with the traditional cutting or adding shims, the adjustment efficiency and adaptability are significantly improved. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0015] Figure 2This is one of the structural schematic diagrams of the disassembly component of this utility model;
[0016] Figure 3 This is the second schematic diagram of the disassembly component of this utility model;
[0017] Figure 4 This is the third schematic diagram of the disassembly component of this utility model;
[0018] Figure 5 This is one of the structural schematic diagrams of the length adjustment component of this utility model;
[0019] Figure 6 This is the second schematic diagram of the length adjustment component of this utility model.
[0020] In the diagram: 1. Upper bearing sleeve; 2. Lower bearing sleeve; 3. Bearing body; 4. Base; 5. Rod end body; 6. Disassembly assembly; 601. Positioning rod; 602. Magnetic block; 603. Positioning groove; 604. Groove; 605. Magnetic conductive metal sheet; 606. L-shaped block; 607. Rotating rod; 608. Connecting block; 609. Bolt; 7. Length adjustment assembly; 701. Screw; 702. Internal thread; 703. Rubber sleeve; 704. Threaded groove; 705. Screw. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see the appendix Figure 1 - Appendix Figure 4A detachable rod end spherical bearing includes an upper bearing sleeve 1, a lower bearing sleeve 2, and a rod end body 5. A base 4 is fixedly connected to the bottom of the lower bearing sleeve 2. Bearing bodies 3 are disposed on the inner walls of both the upper and lower bearing sleeves. A disassembly assembly 6 is disposed on the outside of the upper bearing sleeve 1. The disassembly assembly 6 includes a positioning rod 601, a magnetic block 602, a magnetically conductive metal sheet 605, an L-shaped block 606, a rotating rod 607, a connecting block 608, and bolts 609. Multiple sets of positioning rods 601 are provided. Positioning rods 601 are fixedly connected to the bottom sides of the upper bearing sleeve 1. Multiple positioning grooves 603 are opened on both sides of the top of the lower bearing sleeve 2. Multiple positioning rods 601 are slidably connected to the inner walls of multiple positioning grooves 603. Two sets of magnetic blocks 602 are provided. The two sets of magnetic blocks 602 are fixedly connected to the bottom of the upper bearing sleeve 1. Grooves 604 are opened on both sides of the top of the lower bearing sleeve 2. Two sets of magnetic conductive metal sheets 605 are provided. The two sets of magnetic conductive metal sheets 605 are fixedly installed on the inner bottom wall of the groove 604.
[0023] The upper bearing sleeve 1 and the lower bearing sleeve 2 constitute the outer shell of the bearing body 3, which encloses the inner bearing body 3 and provides an installation reference and protection for the bearing body 3. Through the detachable design, the bearing body 3 can be quickly disassembled and assembled.
[0024] Two sets of magnetic blocks 602 are magnetically connected to two sets of magnetically conductive metal sheets 605 respectively. The L-shaped block 606 is fixedly connected to the top of the upper bearing sleeve 1. The two ends of the rotating rod 607 are rotatably connected to the inner walls of the bottom sides of the L-shaped block 606 respectively. One end of the connecting block 608 is fixedly connected to the outer wall of the rotating rod 607. The surface of the connecting block 608 is in contact with the bottom surface of the lower bearing sleeve 2. The bolts 609 are all threadedly connected to the top of the L-shaped block 606, the top of the upper bearing sleeve 1, the top of the lower bearing sleeve 2 and the top of the connecting block 608. The top of the L-shaped block 606, the top of the upper bearing sleeve 1, the top of the lower bearing sleeve 2 and the top of the connecting block 608 are all provided with threaded holes for threaded connection with the bolts 609.
[0025] The positioning rod 601 and the positioning groove 603 constitute the positioning mechanism of the upper bearing sleeve 1 and the lower bearing sleeve 2. Through the sliding cooperation of multiple sets of positioning rods 601 and positioning grooves 603, the axial positioning and radial constraint of the upper bearing sleeve 1 and the lower bearing sleeve 2 are realized, ensuring the coaxiality of the two parts during installation and bearing part of the radial load.
[0026] Specifically, through the disassembly component 6, during disassembly, first unscrew the bolt 609 to release the rigid lock, then rotate the connecting block 608 around the rotating rod 607 to detach it from the lower bearing sleeve 2, and finally overcome the attraction force between the magnetic block 602 and the magnetic metal sheet 605 to pull up the upper bearing sleeve 1 so that the positioning rod 601 slides out of the positioning groove 603, thus separating the upper bearing sleeve 1 and the lower bearing sleeve 2. The whole process does not require complicated tools. By disassembling the upper bearing sleeve 1 and the lower bearing sleeve 2 through simple steps, the maintenance or replacement process of the bearing body 3 is simplified. Compared with the traditional integral bearing sleeve, the disassembly efficiency is improved.
[0027] Please see the appendix Figure 1 Appendix Figure 5 and appendix Figure 6 The bottom of the base 4 is provided with a length adjustment component 7, which includes a screw 701 and a screw 705. The upper end of the screw 701 is fixedly connected to the bottom of the base 4. The inner wall of the top of the rod end body 5 is provided with an internal thread 702. The outer wall of the screw 701 is threadedly connected to the internal thread 702. A rubber sleeve 703 is fitted on the outer wall of the rod end body 5. A threaded groove 704 is provided on the right outer wall of the rod end body 5. The outer wall of the screw 705 is threadedly connected to the inner wall of the threaded groove 704. The left end of the screw 705 is in contact with the outer wall of the screw 701.
[0028] When the rod end body 5 is rotated for adjustment, the rubber sleeve 703 can provide greater friction, making it easier for workers to operate it by hand. At the same time, the rubber sleeve 703 can absorb vibration during operation, reduce rigid collisions between the rod end body 5 and external components, and extend its service life.
[0029] Specifically, through the length adjustment component 7, during adjustment, the operator holds the rubber sleeve 703 and rotates the rod end 5. The internal thread 702 engages with the screw 701 to achieve axial extension and retraction to adjust the length. After the length is adjusted to the correct position, the screw 705 is screwed into the thread groove 704 and the screw 701 is pressed down. The adjusted length is locked by friction. The entire process does not require disassembling the bearing body 3. The length can be flexibly adjusted to adapt to different installation position errors. The operation is simple and does not require complicated tools. Compared with the traditional cutting or adding shims, the adjustment efficiency and adaptability are improved.
[0030] Working principle of this utility model: This utility model is a detachable rod end joint bearing. First, the operator aligns the positioning rod 601 of the upper bearing sleeve 1 with the positioning groove 603 of the lower bearing sleeve 2, so that the upper bearing sleeve 1 and the lower bearing sleeve 2 are initially in contact. At this time, the magnetic block 602 at the bottom of the upper bearing sleeve 1 is attracted to the magnetic metal sheet 605 in the groove 604 of the lower bearing sleeve 2, achieving pre-fixation. Then, the operator rotates the connecting block 608 around the rotating rod 607, so that it is in contact with the bottom of the lower bearing sleeve 2. Then, the bolt 609 is screwed into the threaded holes of the L-shaped block 606, the upper bearing sleeve 1, the lower bearing sleeve 2 and the connecting block 608 in sequence to complete the rigid locking. At this time, the upper bearing sleeve 1 and the lower bearing sleeve 2 are fixed together, and the internal bearing body 3 can achieve normal angle adjustment and load transmission. If it is necessary to adjust the overall length of the bearing to adapt to the installation position, the operator can hold the rod. The rubber sleeve 703 on the outer wall of the end body 5 is rotated. Through the cooperation of the inner thread 702 on its inner wall with the screw 701, the end body 5 can be extended and retracted along the screw 701 until the target length is reached. The operator screws the screw 705 into the threaded groove 704 of the end body 5 and presses its left end against the outer wall of the screw 701. The adjusted length is locked by friction. When it is necessary to maintain or replace the bearing body 3, the operator first unscrews the bolt 609 to release the rigid lock between the upper bearing sleeve 1 and the lower bearing sleeve 2. Then, the connecting block 608 is flipped around the rotating rod 607 to disengage it from the bottom of the lower bearing sleeve 2. Next, the upper bearing sleeve 1 is pulled up to overcome the attraction force of the magnetic block 602 and the magnetic metal sheet 605, so that the positioning rod 601 slides out of the positioning groove 603, separating the upper bearing sleeve 1 and the lower bearing sleeve 2. Then, the internal bearing body 3 can be operated.
[0031] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A detachable rod end joint bearing, comprising an upper bearing sleeve (1), a lower bearing sleeve (2), and a rod end body (5), wherein a base (4) is fixedly connected to the bottom of the lower bearing sleeve (2), and a bearing body (3) is provided on the inner wall of the upper bearing sleeve (1) and the inner wall of the lower bearing sleeve (2), characterized in that: The upper bearing sleeve (1) is provided with a disassembly assembly (6) on its exterior. The disassembly assembly (6) includes a positioning rod (601), a magnetic block (602), a magnetic metal sheet (605), an L-shaped block (606), a rotating rod (607), a connecting block (608), and a bolt (609). Multiple sets of positioning rods (601) are provided. The multiple sets of positioning rods (601) are respectively fixedly connected to the bottom two sides of the upper bearing sleeve (1). Multiple sets of positioning grooves (603) are opened on both sides of the top of the lower bearing sleeve (2). The multiple sets of positioning rods (601) are respectively slidably connected to the inner wall of the multiple sets of positioning grooves (603).
2. The detachable rod end joint bearing according to claim 1, characterized in that: Two sets of magnetic blocks (602) are provided, and the two sets of magnetic blocks (602) are fixedly connected to the bottom of the upper bearing sleeve (1). Grooves (604) are provided on both sides of the top of the lower bearing sleeve (2). Two sets of magnetic conductive metal sheets (605) are provided, and the two sets of magnetic conductive metal sheets (605) are fixedly installed on the inner bottom wall of the groove (604).
3. A detachable rod end joint bearing according to claim 2, characterized in that: The two sets of magnetic blocks (602) are magnetically connected to the two sets of magnetically conductive metal sheets (605) respectively. The L-shaped block (606) is fixedly connected to the top of the upper bearing sleeve (1). The two ends of the rotating rod (607) are rotatably connected to the inner walls of the bottom sides of the L-shaped block (606) respectively. One end of the connecting block (608) is fixedly connected to the outer wall of the rotating rod (607).
4. A detachable rod end joint bearing according to claim 3, characterized in that: The surface of the connecting block (608) is in contact with the bottom surface of the lower bearing sleeve (2). The bolts (609) are all threadedly connected to the top of the L-shaped block (606), the top of the upper bearing sleeve (1), the top of the lower bearing sleeve (2), and the top of the connecting block (608). The top of the L-shaped block (606), the top of the upper bearing sleeve (1), the top of the lower bearing sleeve (2), and the top of the connecting block (608) are all provided with threaded holes for threaded connection with the bolts (609).
5. A detachable rod end joint bearing according to claim 4, characterized in that: The base (4) is provided with a length adjustment component (7) at its bottom. The length adjustment component (7) includes a screw (701) and a screw (705). The upper end of the screw (701) is fixedly connected to the bottom of the base (4). The inner wall of the top of the rod end body (5) is provided with an internal thread (702). The outer wall of the screw (701) is threadedly connected to the internal thread (702).
6. A detachable rod end joint bearing according to claim 5, characterized in that: A rubber sleeve (703) is fitted on the outer wall of the rod end body (5), and a threaded groove (704) is opened on the right outer wall of the rod end body (5). The outer wall of the screw (705) is threaded to the inner wall of the threaded groove (704), and the left end of the screw (705) is in contact with the outer wall of the screw rod (701).