High-rigidity cross shaft coupling
By designing a cross shaft coupling with high rigidity, using a combined structure of movable tube and pressing plate to achieve rapid lubrication, the existing coupling lubrication steps are complicated and short service life is solved, and the practicality of the device and the strength and life of the coupling are improved.
Patent Information
- Application Number
- CN202420647981.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The existing coupling needs to be lubricated after use for a period of time. The existing lubrication step is to pour lubricating oil into the artificial oil conductor hole, which is easy to leak out and time-consuming and labor-intensive operation. The surface of the coupling is painted with excessive pressure and cracking of the paint surface, reducing service life.
A cross shaft coupling with high rigidity is designed, including the coupling body, reinforcement strip, movable pipe, connection ring, pressing plate, oil tank and oil guide pipe. By pressing the pressing plate in the direction of the central block, the movable pipe is squeezed in the direction of the oil tank, lubricating oil is exported, and the pressing plate is rebounded by the elastic member to bring the pressing plate back to its original position, achieving rapid lubrication. The reinforcement strip increases the area of force, and the dispersing force strip disperses the force, extending the service life.
The rapid lubrication of the coupling is achieved, the operation steps are reduced, the practicality of the device is improved, and the strength and service life of the coupling is improved through reinforcement strips and dispersing strips.
Smart Images
Figure CN222577176U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of couplings, in particular to a cross-axis coupling with high rigidity. Background Art
[0002] The cross-axis universal coupling is one of the most commonly used couplings. Its structural characteristics can make two axes that are not on the same axis or have a large axis angle or large axial movement rotate continuously at the same angular speed, and reliably transmit torque and motion. It can be widely used in mechanical shaft systems in lifting, engineering transportation, mining, petroleum, shipping, coal, rubber, papermaking machinery and other heavy machinery industries to transmit torque.
[0003] First, the existing coupling needs to be lubricated at its rotating connection after being used for a period of time to prevent jamming. However, the existing lubrication steps are all to manually pour lubricating oil into the connection through the oil guide hole for lubrication, which is not only prone to lubricating oil leakage, but also time-consuming and labor-intensive operation, complicated steps, and reduces the practicality of the device.
[0004] Second, the existing cross-shaft couplings are all smooth cylindrical on the outside, and are painted on the surface to protect the couplings, which results in excessive pressure and cracking of the paint surface when the couplings are connected to heavy devices, thereby reducing the service life of the couplings. Utility Model Content
[0005] The purpose of the utility model is to provide a cross-axis coupling with high rigidity to solve the problems raised in the above background technology.
[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a cross-axis coupling with high rigidity, comprising a coupling body; a reinforcement strip located outside the coupling body, the reinforcement strip is used to increase the force-bearing area of the coupling body; movable tubes located on both sides of the coupling body, the movable tubes are used to guide the lubricating oil out; the reinforcement strips are provided with a plurality of movable blocks which are arranged in a ring and welded to the outside of the coupling body, the two sides of the coupling are bolted with movable blocks, the upper and lower sides of the movable blocks are rotatably connected with connecting rings, and a center plate is welded between the two connecting rings. The core block, the connecting rings are also welded on the other two sides of the center block, the other two connecting rings are rotatably connected with the adapter blocks at one end away from the center block, the connecting ring is movably engaged with a pressing plate at one end away from the center block, a movable tube is welded on the side of the pressing plate close to the center block, sealing blocks are bolted on both sides of the movable tube, an elastic part is bolted on the side of the pressing plate close to the movable tube, an oil tank is bolted inside the center block, an oil guide pipe is bolted around the oil tank, and an oil delivery pipe is bolted on the side of the oil tank close to the coupling body.
[0007] Preferably, a plurality of force dissipation bars are welded between each of the adjacent reinforcement bars, and the bottom of the force dissipation bars is welded to the coupling body.
[0008] Preferably, a pressing groove is formed on a side of the connecting ring close to the pressing plate, a side of the pressing groove close to the central block is connected to a movable groove, and the pressing plate and the movable tube are movably engaged in the pressing groove and the movable groove respectively.
[0009] Preferably, the oil guide pipe passes through the connecting ring, oil outlet holes are opened on both sides of the oil guide pipe, the movable pipe covers the outside of the oil outlet hole, and the sealing block inside the movable pipe is movably embedded in the oil outlet hole.
[0010] Preferably, docking grooves are formed on both sides of the movable tube, lubrication grooves are formed on both sides of the connecting ring, the sealing block outside the movable tube is movably engaged in the lubrication grooves, and the lubrication grooves and the oil outlet hole are located on the same straight line.
[0011] Preferably, the elastic member surrounds the outside of the movable tube, a side of the pressing groove close to the movable groove is connected to a shrinkage groove, and one end of the elastic member away from the pressing plate is bolted to the shrinkage groove.
[0012] Preferably, the oil delivery pipe runs through the central block, and the connecting ring is externally bolted with a clamping block, and one end of the oil delivery pipe away from the oil tank is clamped in the clamping block.
[0013] Compared with the prior art, the beneficial effects achieved by the utility model are:
[0014] First, press the pressing plate toward the center block so that the pressing plate squeezes the movable tube toward the oil tank. When the docking groove coincides with the oil outlet hole, the lubricating oil in the oil guide tube can be discharged through the lubrication groove to lubricate the connection between the movable block or the adapter block and the connecting ring. After the lubricating oil is discharged, release the pressing plate to allow the compressed elastic member to rebound and bring the pressing plate back to its original position. At this time, the sealing block on the movable tube will be re-embedded in the oil outlet hole and the lubrication groove to seal the two. Multiple components cooperate with each other to quickly lubricate the rotating connection of the device, reducing the operating steps of the user and improving the practicability of the device.
[0015] Second, when the coupling body is in use, the external reinforcement strip will increase the force-bearing area of the coupling body, and at the same time the force dissipation strip will disperse part of the force applied to the reinforcement strip, thereby extending the service life of the coupling body. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional diagram of the utility model;
[0017] Figure 2It is a cross-sectional view of the utility model;
[0018] Figure 3 This is a structural diagram of the oil guide pipe of the utility model;
[0019] Figure 4 This is a structural diagram of the connecting ring of the utility model.
[0020] Among them: 1. Coupling body; 2. Reinforcement strip; 3. Dissipation strip; 4. Movable block; 5. Adapter block; 6. Connecting ring; 7. Pressing plate; 8. Movable tube; 9. Docking groove; 10. Sealing block; 11. Oil guide pipe; 12. Oil outlet hole; 13. Elastic part; 14. Movable groove; 15. Shrinkage groove; 16. Lubrication groove; 17. Center block; 18. Oil tank; 19. Oil pipeline; 20. Block; 21. Pressing groove. DETAILED DESCRIPTION
[0021] 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.
[0022] See also Figure 1-4A cross-axis coupling with high rigidity comprises a coupling body 1; a reinforcement strip 2 located outside the coupling body 1, the reinforcement strip 2 is used to increase the force-bearing area of the coupling body 1; movable tubes 8 located on both sides of the coupling body 1, the movable tubes 8 are used to guide the lubricating oil out; the reinforcement strips 2 are provided with a plurality of movable blocks 4 arranged in a ring shape and welded to the outside of the coupling body 1, the coupling is bolted with movable blocks 4 on both sides, the movable blocks 4 are rotatably connected with connecting rings 6 on the upper and lower sides, a center block 17 is welded between the two connecting rings 6, connecting rings 6 are also welded on the other two sides of the center block 17, the other two connecting rings 6 are rotatably connected with transfer blocks 5 at one end away from the center block 17, a pressing plate 7 is movably engaged with one end of the connecting ring 6 away from the center block 17, a movable tube 8 is welded on one side of the pressing plate 7 close to the center block 17, the inner and outer sides of the movable tube 8 are bolted with sealing blocks 10, and the pressing plate 7 close to the movable tube 8 is The side bolts are connected with an elastic member 13, the central block 17 is bolted with an oil tank 18, the oil tank 18 is bolted with an oil guide pipe 11 around it, and the oil tank 18 is bolted with an oil delivery pipe 19 on one side of the coupling body 1. The pressing plate 7 is pressed in the direction of the central block 17 so that the pressing plate 7 squeezes the movable tube 8 in the direction of the oil tank 18. When the docking groove 9 coincides with the oil outlet hole 12, the lubricating oil in the oil guide pipe 11 can be discharged through the lubrication groove 16 to lubricate the connection between the movable block 4 or the adapter block 5 and the connecting ring 6. After the lubricating oil is discharged, the pressing plate 7 is released to make the compressed elastic member 13 rebound and bring the pressing plate 7 back to its original position. At this time, the sealing block 10 on the movable tube 8 will be re-embedded in the oil outlet hole 12 and the lubrication groove 16 and both will be sealed. Multiple components cooperate with each other to quickly lubricate the rotating connection of the device, reducing the operating steps of the user and improving the practicality of the device.
[0023] Specifically, a plurality of force dissipating bars 3 are welded between each of the adjacent reinforcement bars 2 , and the bottom of the force dissipating bars 3 is welded to the coupling body 1 .
[0024] Through the above technical solution, the materials of the reinforcement strip 2 and the force dissipation strip 3 are the same as that of the coupling body 1 , and the reinforcement strip 2 and the force dissipation strip 3 can disperse the pressure from both ends of the coupling body 1 , thereby increasing the strength of the coupling body 1 .
[0025] Specifically, a pressing groove 21 is formed on one side of the connecting ring 6 close to the pressing plate 7 , and a movable groove 14 is connected to the other side of the pressing groove 21 close to the central block 17 . The pressing plate 7 and the movable tube 8 are movably engaged in the pressing groove 21 and the movable groove 14 , respectively.
[0026] Through the above technical solution, the length of the movable groove 14 is the same as that of the movable tube 8 , and the pressing groove 21 is used to provide a movable space for the pressing plate 7 .
[0027] Specifically, the oil guide pipe 11 passes through the connecting ring 6 , and oil outlet holes 12 are opened on both sides of the oil guide pipe 11 . The movable pipe 8 covers the outside of the oil outlet hole 12 , and the sealing block 10 inside the movable pipe 8 is movably embedded in the oil outlet hole 12 .
[0028] Through the above technical solution, the sealing block 10 is made of rubber and has a certain elasticity, and can be re-embedded into the oil outlet hole 12 after leaving the oil outlet hole 12, thereby preventing the lubricating oil from leaking.
[0029] Specifically, docking grooves 9 are formed on both sides of the movable tube 8 , lubrication grooves 16 are formed on both sides of the connecting ring 6 , and the sealing block 10 outside the movable tube 8 is movably engaged in the lubrication groove 16 , and the lubrication groove 16 and the oil outlet hole 12 are located on the same straight line.
[0030] Through the above technical solution, when the docking groove 9 coincides with the oil outlet hole 12 and the lubrication groove 16 , the lubricating oil can be discharged from the oil guide pipe 11 .
[0031] Specifically, the elastic member 13 surrounds the outside of the movable tube 8 , and a side of the pressing groove 21 close to the movable groove 14 is connected to the shrinkage groove 15 . One end of the elastic member 13 away from the pressing plate 7 is bolted in the shrinkage groove 15 .
[0032] Through the above technical solution, the elastic member 13 can bring the pressing plate 7 back to its original position through its own elasticity after the pressing plate 7 is pressed.
[0033] Specifically, the oil delivery pipe 19 passes through the central block 17 , and the external bolts of the connecting ring 6 are connected with a clamping block 20 , and one end of the oil delivery pipe 19 away from the oil tank 18 is clamped in the clamping block 20 .
[0034] Through the above technical solution, the oil pipe 19 is made of PVC hose, which has a certain deformation ability, and one end of the oil pipe 19 is connected to an inlet, which can be opened by rotating the twist cover, and the clamping block 20 can fix the oil pipe 19 outside the connecting ring 6.
[0035] When in use, the equipment connected to the adapter block 5 and the coupling body 1 are controlled by the external control terminal to rotate the end of the movable block 4 and the adapter block 5 that needs lubrication to the bottom, and the lubricating oil in the oil tank 18 will flow into the oil guide pipe 11. The user presses the pressing plate 7 in the direction of the center block 17, so that the pressing plate 7 squeezes the movable pipe 8 toward the oil tank 18, and the sealing blocks 10 on both sides of the movable pipe 8 are respectively moved away from the oil outlet hole 12 and the lubrication groove 16. When the docking groove 9 coincides with the oil outlet hole 12, the lubricating oil in the oil guide pipe 11 can be discharged through the lubrication groove 16, and the movable block 4 or the adapter block 5 and the connecting ring 6 are connected. The connection is lubricated, and the pressing plate 7 is released after the lubricating oil is discharged, so that the compressed elastic member 13 rebounds and brings the pressing plate 7 back to its original position. At this time, the sealing block 10 on the movable tube 8 will be re-embedded in the oil outlet hole 12 and the lubrication groove 16 and seal both. The oil delivery pipe 19 connected to the clamping block 20 can be removed and the lubricating oil can be introduced into the oil tank 18 through the inlet at one end of the oil delivery pipe 19. When the coupling body 1 is in use, the external reinforcement strip 2 will increase the force-bearing area of the coupling body 1, and the force dissipation strip 3 will disperse part of the force applied to the reinforcement strip 2, thereby improving the strength of the coupling body 1.
[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0037] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A cross-shaft coupling with high rigidity, characterized in that: include: Coupling body (1); A reinforcement strip (2) located outside the coupling body (1), the reinforcement strip (2) being used to increase the force-bearing area of the coupling body (1); movable pipes (8) located on both sides of the coupling body (1), the movable pipes (8) being used to guide lubricating oil out; The reinforcing strips (2) are provided with a plurality of reinforcing strips (2) which are arranged in a ring shape and welded to the outside of the coupling body (1); movable blocks (4) are bolted to the two sides of the coupling; the movable blocks (4) are rotatably connected to connecting rings (6) on the upper and lower sides; a center block (17) is welded between the two connecting rings (6); the connecting rings (6) are also welded to the other two sides of the center block (17); the other two connecting rings (6) are rotatably connected to the adapter blocks (5) at one end away from the center block (17); the connecting rings (6) are rotatably connected to the other end of the center block (17); A pressing plate (7) is movably engaged at the end, a movable tube (8) is welded to the pressing plate (7) on one side close to the center block (17), sealing blocks (10) are bolted to the inner and outer sides of the movable tube (8), an elastic member (13) is bolted to the pressing plate (7) on one side close to the movable tube (8), an oil tank (18) is bolted inside the center block (17), an oil guide tube (11) is bolted to the oil tank (18) on all sides, and an oil delivery tube (19) is bolted to the oil tank (18) on one side close to the coupling body (1).
2. A cross-shaft coupling with high rigidity according to claim 1, characterized in that: A plurality of force dissipation bars (3) are welded between each of the adjacent reinforcement bars (2), and the bottom of the force dissipation bar (3) is welded to the coupling body (1).
3. A cross-shaft coupling with high rigidity according to claim 1, characterized in that: A pressing groove (21) is formed on a side of the connecting ring (6) close to the pressing plate (7), and a movable groove (14) is connected to a side of the pressing groove (21) close to the central block (17). The pressing plate (7) and the movable tube (8) are movably engaged in the pressing groove (21) and the movable groove (14) respectively.
4. The cross-axis coupling with high rigidity according to claim 1, characterized in that: The oil guide pipe (11) passes through the connecting ring (6), and oil outlet holes (12) are formed on both sides of the oil guide pipe (11). The movable pipe (8) covers the outside of the oil outlet hole (12), and the sealing block (10) inside the movable pipe (8) is movably engaged in the oil outlet hole (12).
5. A cross-shaft coupling with high rigidity according to claim 4, characterized in that: The movable tube (8) is provided with docking grooves (9) on both sides, the connecting ring (6) is provided with lubrication grooves (16) on both sides, the sealing block (10) outside the movable tube (8) is movably engaged in the lubrication groove (16), and the lubrication groove (16) and the oil outlet hole (12) are located on the same straight line.
6. A cross-shaft coupling with high rigidity according to claim 3, characterized in that: The elastic member (13) surrounds the outside of the movable tube (8), and a side of the pressing groove (21) close to the movable groove (14) is connected to a contraction groove (15), and one end of the elastic member (13) away from the pressing plate (7) is bolted to the contraction groove (15).
7. The cross-shaft coupling with high rigidity according to claim 1, characterized in that: The oil delivery pipe (19) passes through the central block (17), and the connecting ring (6) is externally bolted with a clamping block (20), and one end of the oil delivery pipe (19) away from the oil tank (18) is clamped in the clamping block (20).