A quick-mounting copper alloy bushing
By designing a copper alloy bushing structure with a flow divider cavity and flow divider port, the problem of cumbersome lubrication operation was solved, and the automatic flow and application of lubricating oil was realized, simplifying maintenance work.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG YONGCHENG MACHINERY
- Filing Date
- 2025-11-27
- Publication Date
- 2026-07-24
AI Technical Summary
The existing quick-installation copper alloy bushings lack a lubrication structure during use, making lubrication operations cumbersome and requiring workers to disassemble and manually apply lubricating oil.
Design a bushing body consisting of an upper housing and a lower housing, with upper and lower flow chambers and flow ports inside. Automatic flow distribution and application of lubricating oil is achieved through the oil injection nozzle and oil injection channel, simplifying the lubrication operation.
It enables automatic distribution and application of lubricating oil, reducing the workload of staff, simplifying maintenance, and improving the efficiency of lubrication operations.
Smart Images

Figure CN224550641U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bushings, and more particularly to a quick-installation copper alloy bushing. Background Technology
[0002] Copper alloy bushings are sliding bearings made of copper or copper alloys and are important components in mechanical transmission systems. Due to their comprehensive performance, copper alloy bushings have been widely used to replace traditional rolling bearings in the industrial field, especially in heavy-load, low-speed, and corrosive environments.
[0003] Chinese patent CN217761729U discloses a bushing that is easy to install. This technical solution provides a limiting and fixing device on the inner wall of the cavity. The limiting and fixing device includes a movable plate. The outer surface of the movable plate is movably sleeved with the inner wall of the cavity, which facilitates the installation and disassembly of the bushing and effectively avoids damage to the spindle caused by destructive disassembly.
[0004] However, this quick-install copper alloy bushing does not have a lubrication structure during use. As a result, after the copper alloy bushing has been used for a long time, the staff needs to disassemble the copper alloy bushing and then apply lubricating oil to the inside of the copper alloy bushing. The lubrication operation is cumbersome and not conducive to the maintenance of the copper alloy bushing.
[0005] Therefore, it is necessary to provide a quick-installation copper alloy bushing to solve the above-mentioned technical problems. Utility Model Content
[0006] This utility model provides a quick-installation copper alloy bushing, which solves the problem that quick-installation copper alloy bushings do not have a lubrication structure during use, requiring operators to disassemble the copper alloy bushing and then apply lubricating oil to the inside of the copper alloy bushing, which is a cumbersome lubrication operation.
[0007] To solve the above-mentioned technical problems, the present invention provides a quick-installation copper alloy bushing, comprising a bushing body composed of an upper housing and a lower housing spliced together. An upper horizontal plate is fixedly connected to the bottom of both the front and rear sides of the upper housing, and a lower horizontal plate adapted to the upper horizontal plate is fixedly connected to the top of both the front and rear sides of the lower housing. An upper flow-dividing cavity is formed inside the upper housing, and several oil injection nozzles communicating with the upper flow-dividing cavity are provided at the bottom of the upper horizontal plate. A lower flow-dividing cavity is formed inside the lower housing, and several communicating grooves communicating with the lower flow-dividing cavity and adapted to the oil injection nozzles are formed at the top of the lower horizontal plate. Several first flow-dividing ports communicating with the upper flow-dividing cavity are formed on the inner wall surface of the upper housing, and several second flow-dividing ports communicating with the lower flow-dividing cavity are formed on the inner wall surface of the lower housing.
[0008] Preferably, an oil injection block is fixedly connected to the top of the upper housing, and an oil injection channel communicating with the upper diversion cavity is opened inside the oil injection block. A piston adapted to the oil injection channel is detachably installed on the top of the oil injection block.
[0009] Preferably, a torsion handle is fixedly connected to the top of the piston, and the surface of the torsion handle is provided with anti-slip texture.
[0010] Preferably, upper fixing blocks are fixedly connected to both ends of the front and rear sides of the upper housing, and lower fixing blocks adapted to the upper fixing blocks are fixedly connected to both ends of the front and rear sides of the lower housing. The upper fixing blocks and the lower fixing blocks are detachably connected by a bolt structure.
[0011] Preferably, the upper fixing block is provided with a bolt, the surface of the lower fixing block is provided with a through-hole for the bolt to fit, and the bottom end of the bolt surface is threaded with a nut.
[0012] Preferably, the surface of the bolt is movably fitted with an anti-slip pad located above the nut.
[0013] Preferably, the plurality of first diversion ports and the plurality of second diversion ports are arranged in a circumferential and uniformly spaced manner along the inner wall surface of the upper housing and the inner wall surface of the lower housing, respectively.
[0014] Compared with related technologies, the quick-installation copper alloy bushing provided by this utility model has the following advantages:
[0015] This utility model provides a quick-installation copper alloy bushing. After the upper and lower housings are spliced together, the bushing body is fitted onto the surface of the motor's output shaft for use. After a long period of time, lubricating oil can be injected into the upper distribution cavity. After the lubricating oil is distributed through multiple first distribution ports, it can be applied to the upper surface of the bushing. Then, after the oil injection nozzle is inserted into the connecting groove, the lubricating oil can enter the lower distribution cavity. After being distributed through multiple second distribution ports, it can be applied to the lower surface of the bushing, completing the internal lubrication work of the bushing. The lubrication operation is simple and quick, reducing the workload of workers and facilitating subsequent maintenance. Attached Figure Description
[0016] Figure 1 A schematic diagram of a preferred embodiment of the quick-installation copper alloy bushing provided by this utility model;
[0017] Figure 2 for Figure 1 The diagram shows the front view of the structure.
[0018] Figure 3 for Figure 1 The diagram shows a side sectional view of the structure.
[0019] The following are the labels in the diagram: 1. Upper housing; 2. Lower housing; 3. Bushing body; 4. Upper fixing block; 5. Lower fixing block; 6. Bolt; 7. Nut; 8. Anti-slip pad; 9. Upper horizontal plate; 10. Lower horizontal plate; 11. Upper flow divider; 12. First flow divider port; 13. Lower flow divider; 14. Second flow divider port; 15. Oil injector; 16. Connecting groove; 17. Oil injector block; 18. Oil injector channel; 19. Piston; 20. Torque handle. Detailed Implementation
[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0021] First Embodiment
[0022] Please refer to the following: Figure 1-3 The quick-installation copper alloy bushing includes a bushing body 3 composed of an upper housing 1 and a lower housing 2. The bottom of the front and rear sides of the upper housing 1 are fixedly connected to an upper horizontal plate 9, and the top of the front and rear sides of the lower housing 2 are fixedly connected to a lower horizontal plate 10 that is adapted to the upper horizontal plate 9. An upper diversion cavity 11 is opened inside the upper housing 1.
[0023] The bottom of the upper horizontal plate 9 is provided with several oil injection nozzles 15 that communicate with the upper diversion cavity 11. The lower housing 2 has a lower diversion cavity 13 inside. The top of the lower horizontal plate 10 has several connecting grooves 16 that communicate with the lower diversion cavity 13 and are adapted to the oil injection nozzles 15.
[0024] The inner wall of the upper housing 1 is provided with several first diversion ports 12 that communicate with the upper diversion cavity 11, and the inner wall of the lower housing 2 is provided with several second diversion ports 14 that communicate with the lower diversion cavity 13.
[0025] In this embodiment, after the upper housing 1 and the lower housing 2 are spliced together, the bushing body 3 is fitted onto the surface of the output shaft of the motor for use. After a long period of time, lubricating oil can be injected into the interior of the upward diversion cavity 11. After the lubricating oil is diverted through multiple first diversion ports 12, lubricating oil can be applied to the upper surface of the bushing.
[0026] After the grease nipple 15 is embedded in the connecting groove 16, the lubricating oil can enter the lower distribution chamber 13 and then be applied to the lower surface of the bushing through multiple second distribution ports 14, thus completing the internal application of the bushing. The lubrication operation is simple and fast, reducing the workload of the staff and facilitating the later maintenance work.
[0027] Second Embodiment
[0028] Please refer to Figure 3It also includes an oil injection block 17 fixedly connected to the top of the upper housing 1, an oil injection channel 18 communicating with the upper diversion chamber 11 is opened inside the oil injection block 17, a piston 19 adapted to the oil injection channel 18 is detachably installed on the top of the oil injection block 17, a torsion handle 20 is fixedly connected to the top of the piston 19, and the surface of the torsion handle 20 is provided with anti-slip texture.
[0029] In this embodiment, after turning the handle 20, the piston 19 is rotated and moved to the outside of the upper housing 1, the oil injection channel 18 can be opened. After injecting lubricating oil into the oil injection channel 18, the oil can enter the interior of the upper distribution chamber 11.
[0030] Third Embodiment
[0031] Please refer to Figure 1-2 Based on the same concept as the first embodiment described above, upper fixing blocks 4 are fixedly connected to both ends of the front and rear sides of the upper housing 1, and lower fixing blocks 5 adapted to the upper fixing blocks 4 are fixedly connected to both ends of the front and rear sides of the lower housing 2. The upper fixing blocks 4 and the lower fixing blocks 5 are detachably connected by a bolt structure. A bolt 6 is provided on the upper fixing block 4, and a through-hole for the bolt 6 is opened on the surface of the lower fixing block 5. A nut 7 is threadedly connected to the bottom end of the surface of the bolt 6, and an anti-slip pad 8 located above the nut 7 is movably sleeved on the surface of the bolt 6.
[0032] In this embodiment, after the upper housing 1 and the lower housing 2 are assembled, the bolt 6 passes through the through-hole on the lower fixing block 5, and the nut 7 is threadedly connected to the bolt 6. After the upper surface of the anti-slip pad 8 comes into contact with the bottom of the lower fixing block 5, the upper fixing block 4 and the lower fixing block 5 can be locked together, thereby fixing the upper housing 1 and the lower housing 2 after assembly.
[0033] Multiple first diversion ports 12 and multiple second diversion ports 14 are arranged in a ring-shaped, uniformly spaced pattern along the inner wall of the upper shell 1 and the inner wall of the lower shell 2, respectively.
[0034] The working principle of the quick-installation copper alloy bushing provided by this utility model is as follows:
[0035] After the upper housing 1 and the lower housing 2 are assembled, the bolt 6 passes through the through-hole on the lower fixing block 5. After the nut 7 is threadedly connected to the bolt 6, the upper surface of the anti-slip pad 8 comes into contact with the bottom of the lower fixing block 5, thereby locking the upper fixing block 4 and the lower fixing block 5, and fixing the upper housing 1 and the lower housing 2 after assembly. The bushing body 3 is used on the surface of the output shaft of the motor. After a long time, lubricating oil can be injected into the interior of the upper diversion cavity 11. After the lubricating oil is diverted through multiple first diversion ports 12, the upper surface of the bushing can be coated with lubricating oil. Then, after the oil injection nozzle 15 is embedded in the interior of the connecting groove 16, the lubricating oil can enter the interior of the lower diversion cavity 13. Then, through multiple second diversion ports 14, the lower surface of the bushing can be coated with lubricating oil, completing the internal coating work of the bushing.
[0036] Compared with related technologies, the quick-installation copper alloy bushing provided by this utility model has the following advantages:
[0037] After the upper housing 1 and the lower housing 2 are spliced together, the bushing body 3 is fitted onto the surface of the motor output shaft for use. After a long period of time, lubricating oil can be injected into the upper distribution cavity 11. After the lubricating oil is distributed through multiple first distribution ports 12, the upper surface of the bushing can be coated with lubricating oil. Then, after the oil injection nozzle 15 is inserted into the connecting groove 16, the lubricating oil can enter the lower distribution cavity 13. Then, through multiple second distribution ports 14, the lower surface of the bushing can be coated with lubricating oil, thus completing the internal coating work of the bushing. The lubrication operation is simple and fast, reducing the workload of the staff and facilitating the later maintenance work.
[0038] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A quick-installation copper alloy bushing, comprising a bushing body (3) composed of an upper housing (1) and a lower housing (2) joined together, characterized in that: The upper housing (1) has an upper horizontal plate (9) fixedly connected to the bottom of its front and rear sides. The lower housing (2) has a lower horizontal plate (10) fixedly connected to the top of its front and rear sides, which is adapted to the upper horizontal plate (9). The upper housing (1) has an upper flow chamber (11) inside. The bottom of the upper horizontal plate (9) has several oil injection nozzles (15) that communicate with the upper flow chamber (11). The lower housing (2) has a lower flow chamber (13) inside. The top of the lower horizontal plate (10) has several connecting grooves (16) that communicate with the lower flow chamber (13) and are adapted to the oil injection nozzles (15). The inner wall of the upper housing (1) has several first flow ports (12) that communicate with the upper flow chamber (11). The inner wall of the lower housing (2) has several second flow ports (14) that communicate with the lower flow chamber (13).
2. The quick-installation copper alloy bushing according to claim 1, characterized in that, An oil injection block (17) is fixedly connected to the top of the upper housing (1). An oil injection channel (18) communicating with the upper diversion chamber (11) is opened inside the oil injection block (17). A piston (19) adapted to the oil injection channel (18) is detachably installed on the top of the oil injection block (17).
3. The quick-installation copper alloy bushing according to claim 2, characterized in that, The piston (19) is fixedly connected to a torsion handle (20), and the surface of the torsion handle (20) is provided with anti-slip texture.
4. The quick-installation copper alloy bushing according to claim 1, characterized in that, The upper housing (1) has upper fixing blocks (4) fixedly connected to both ends of the front and rear sides. The lower housing (2) has lower fixing blocks (5) fixedly connected to both ends of the front and rear sides, which are adapted to the upper fixing blocks (4). The upper fixing blocks (4) and the lower fixing blocks (5) are detachably connected by bolts.
5. The quick-installation copper alloy bushing according to claim 4, characterized in that, The upper fixing block (4) is provided with a bolt (6), and the surface of the lower fixing block (5) is provided with a through-hole for the bolt (6) to be fitted. The bottom end of the surface of the bolt (6) is threaded with a nut (7).
6. The quick-installation copper alloy bushing according to claim 5, characterized in that, The surface of the bolt (6) is movably fitted with an anti-slip pad (8) located above the nut (7).
7. The quick-installation copper alloy bushing according to claim 1, characterized in that, Multiple first diversion ports (12) and multiple second diversion ports (14) are arranged in a ring-shaped, uniformly spaced manner along the inner wall surface of the upper housing (1) and the inner wall surface of the lower housing (2), respectively.