Universal cross shaft
By using a combined structure of a magnet ring, connecting spring, connecting plate, rubber ring and sealing groove between the cross shaft and the bearing sleeve, the sealing problem when the cross shaft and the bearing sleeve are connected is solved, effective leakage prevention of lubricating oil and stable connection of the bearing are achieved, and the performance of the transmission system and equipment efficiency are improved.
Patent Information
- Application Number
- CN202520000589.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2035-01-02
AI Technical Summary
The existing connection method between the cross shaft and the bearing sleeve allows impurities such as dust and moisture to easily enter, resulting in increased bearing wear and lubricating oil leakage, affecting bearing performance and life.
The combined structure of magnet ring, connecting spring, connecting plate, rubber ring, sealing groove and iron block is adopted to enhance the sealing performance between the cross shaft and the bearing sleeve, prevent lubricating oil leakage, and ensure stable connection by increasing friction.
Effectively prevent lubricant leakage, reduce wear, improve the performance and reliability of the transmission system, increase energy transmission efficiency, and enhance the overall performance and efficiency of the equipment.
Smart Images
Figure CN223459764U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cross axle technical field, concretely is a kind of universal cross axle. BACKGROUND
[0002] Universal cross axle is mainly composed of two mutually interfacing universal joints, each universal joint contains universal joint fork, cross axle, needle bearing, oil seal and other components, cross axle as core component, four journal holes of it are respectively sleeved with the hole of two universal joint forks, and it is connected by needle bearing and sleeve, oil channel is drilled in cross axle, for lubricating bearing, ensure the smoothness of transmission and the durability of component, the working principle of universal cross axle is based on its unique structure design, when the shaft of any one end rotates, it will drive the rotation of the other shaft, and due to the existence of bearing, it can also swing to a certain angle direction around the center of cross axle, universal cross axle can cross different angles and directions, realize the stable transmission of power.
[0003] The existing cross axle is only sealed by simple friction insertion when connecting with bearing sleeve, so that dust, moisture and other impurities can easily enter the inside of bearing, impurities can aggravate the wear of bearing, shorten its service life, and can cause bearing failure, and cause the leakage of lubricating oil in the inside of bearing, thereby reducing the lubricating effect of bearing, lacking enough lubrication, the friction of bearing will sharply increase, which not only aggravates the wear of bearing, but also makes the temperature of bearing during operation increase, further influences the performance and service life of bearing. UTILITY MODEL CONTENTS
[0004] The utility model provides a kind of universal cross axle, with the advantage that cross axle and bearing sleeve are directly sealed and stable, to solve the problem that lubricating oil flows out due to gap generated by long-time wear of cross axle and bearing sleeve.
[0005] To realize the purpose that cross axle and bearing sleeve are directly sealed and stable, the utility model provides the following technical scheme: a kind of universal cross axle, including universal joint, sleeve fork is equipped on the universal joint, transmission shaft fork is equipped on the universal joint, the inside surface of sleeve fork and the inside surface of transmission shaft fork are movably installed with cross axle, the outside surface of cross axle is movably installed with four bearing sleeves, four sealing grooves are arranged on the outside surface of cross axle, connecting spring is installed in the inside of four bearing sleeves, connecting plate is installed on the one end surface of connecting spring, rubber ring is installed on the outside surface of connecting plate, and the outside surface of rubber ring is movably contacted with the inner wall of sealing groove.
[0006] As a preferred technical scheme of the utility model, the outside surface of cross axle is evenly installed with protruding block, and the inside of four bearing sleeves is provided with clamping groove.
[0007] As a preferred technical scheme of the utility model, the inner wall of the clamping groove is in movable contact with the outer side surface of the protruding block.
[0008] As a preferred technical scheme of the utility model, the inner side surface of the rubber ring is provided with a plurality of iron blocks, and the outer side surface of the iron blocks is in movable contact with the outer side surface of the connecting plate.
[0009] As a preferred technical scheme of the utility model, the outer side surface of the four bearing sleeves is uniformly provided with a plurality of limiting columns, and the outer side surface of the limiting columns is movably provided with a magnet ring.
[0010] As a preferred technical scheme of the utility model, the inner side surface of the magnet ring is in movable contact with the outer side surface of the bearing sleeve.
[0011] Compared with the prior art, the utility model provides a universal cross shaft with the following beneficial effects:
[0012] The universal cross shaft, through the magnet ring, the connecting spring, the connecting plate, the rubber ring, the sealing groove and the iron block, enables the rubber ring to be fixedly extruded on the outer side of the cross shaft and in the sealing groove, strengthens the sealing property of the cross shaft and the bearing sleeve directly, thereby effectively preventing the leakage of lubricating oil or other medium, helps to improve the overall performance and reliability of the transmission system, can also reduce the lubrication and wear problems caused by leakage, thereby improving the efficiency of the transmission system, more energy is transmitted to the output end, thereby improving the overall performance and efficiency of the equipment. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is a schematic diagram of the universal joint of the utility model;
[0014] Fig. 2 It is a schematic diagram of the internal structure of the cross shaft of the utility model;
[0015] Fig. 3 It is a schematic diagram of the internal structure of the bearing sleeve of the utility model.
[0016] In the drawing: 1, universal joint; 2, cross shaft; 3, bearing sleeve; 4, sleeve fork; 5, transmission shaft fork; 6, clamping groove; 7, protruding block; 8, limiting column; 9, magnet ring; 10, connecting spring; 11, connecting plate; 12, rubber ring; 13, sealing groove; 14, iron block. DETAILED DESCRIPTION
[0017] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0018] Please refer to Figs. 1-3 The utility model discloses a universal cross axle, including universal joint 1, be equipped with sleeve fork 4 on universal joint 1, be equipped with transmission shaft fork 5 on universal joint 1, the inner side surface of sleeve fork 4 and the inner side surface of transmission shaft fork 5 are jointly movable and install cross axle 2, four bearing sleeve 3 are movably installed on the outer side surface of cross axle 2, four sealing grooves 13 are set up on the outer side surface of cross axle 2, the inside of four bearing sleeve 3 all are installed with connecting spring 10, the surface of one end of connecting spring 10 is installed with connecting plate 11, the outer side surface of connecting plate 11 is installed with rubber ring 12, the outer side surface of rubber ring 12 and the inner wall of sealing groove 13 are movably contacted, make iron block 14 extrude rubber ring 12, make rubber ring 12 fixed extrusion in the outer side of cross axle 2 and sealing groove 13, make the sealing of cross axle 2 and bearing sleeve 3 directly strengthen, thereby effectively prevent the leakage of lubricating oil or other medium, help to improve the overall performance and reliability of transmission system, can also reduce the lubrication and wear problem caused by leakage, thereby improve the efficiency of transmission system, more energy is transmitted to the output end, thereby improve the overall performance and efficiency of equipment.
[0019] The outer side surface of cross axle 2 is evenly installed with lug 7, the inside of four bearing sleeve 3 all is set up with clamping groove 6, the inner wall of clamping groove 6 and the outer side surface of lug 7 are movably contacted, the inner side surface of rubber ring 12 is installed with several iron blocks 14, the outer side surface of iron block 14 and the outer side surface of connecting plate 11 are movably contacted, the outer side surface of four bearing sleeve 3 all is evenly installed with limit post 8, the outer side surface of several limit posts 8 is movably installed with magnet ring 9, the inner side surface of magnet ring 9 and the outer side surface of bearing sleeve 3 are movably contacted, increase the friction of cross axle 2 and bearing sleeve 3 directly, make it fixed more stable, ensure the correct positioning of cross axle 2 in bearing sleeve 3, greatly enhance the connection strength between the two, the increased friction helps to prevent cross axle 2 from loosening or displacement during transmission, ensure the stability and reliability of transmission.
[0020] The working principle and use process of the utility model: when the cross axle 2 needs to be installed to the inside of the sleeve fork 4 and the transmission axle fork 5, then the bearing sleeve 3 is inserted to the outside of the cross axle 2, the cross axle 2 is fixed, the clamping groove 6 in the bearing sleeve 3 corresponds the protruding piece 7 on the outside surface of the cross axle 2 and is fixedly inserted, the friction between the cross axle 2 and the bearing sleeve 3 is increased, the fixation is more stable, the correct positioning of the cross axle 2 in the bearing sleeve 3 is ensured, the connecting strength between the two is greatly enhanced, the increased friction helps to prevent the cross axle 2 from loosening or displacement in the transmission process, and the stability and reliability of transmission are ensured.
[0021] And in the process of installation, the cross axle 2 extrudes the connecting plate 11 and the rubber ring 12, thereby extruding the connecting spring 10, so that the rubber ring 12 is clamped in the sealing groove 13, and the magnet ring 9 is limitedly inserted by the limiting column 8 before installation, the magnet ring 9 and the plurality of iron blocks 14 generate an attractive force, the iron blocks 14 extrude the rubber ring 12, the rubber ring 12 is fixedly extruded on the outside of the cross axle 2 and in the sealing groove 13, the sealing property of the cross axle 2 and the bearing sleeve 3 is enhanced, thereby effectively preventing the leakage of lubricating oil or other medium, helping to improve the overall performance and reliability of the transmission system, and also reducing the lubrication and wear problems caused by leakage, thereby improving the efficiency of the transmission system, more energy is transmitted to the output end, thereby improving the overall performance and efficiency of the equipment.
[0022] It should be noted that in this text, such as the term "including", "including" or any other variant is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.
[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A universal cross, comprising a knuckle (1) on which a sleeve fork (4) is arranged, on which a transmission shaft fork (5) is arranged, characterized in that: The inner side surface of the sleeve fork (4) and the inner side surface of the transmission shaft fork (5) are movably installed with a cross shaft (2), the outer side surface of the cross shaft (2) is movably installed with four bearing sleeves (3), the outer side surface of the cross shaft (2) is provided with four sealing grooves (13), the inside of the four bearing sleeves (3) are all installed with connecting springs (10), one end surface of the connecting spring (10) is installed with a connecting plate (11), the outer side surface of the connecting plate (11) is installed with rubber rings (12), and the outer side surface of the rubber ring (12) is movably contacted with the inner wall of the sealing groove (13).
2. A universal joint cross according to claim 1, characterized in that: The outer side surface of the cross shaft (2) is uniformly installed with protrusions (7), and the inside of the four bearing sleeves (3) are all provided with clamping grooves (6).
3. A universal joint cross according to claim 2, wherein: The inner wall of the clamping groove (6) is movably contacted with the outer side surface of the protrusion (7).
4. A universal joint cross according to claim 3, wherein: The inner side surface of the rubber ring (12) is installed with a plurality of iron blocks (14), and the outer side surface of the iron block (14) is movably contacted with the outer side surface of the connecting plate (11).
5. A universal joint cross according to claim 4, wherein: The outer side surface of the four bearing sleeves (3) is uniformly installed with limiting columns (8), and the outer side surface of a plurality of the limiting columns (8) is movably installed with magnet rings (9).
6. A universal joint cross according to claim 5, wherein: The inner side surface of the magnet ring (9) is movably contacted with the outer side surface of the bearing sleeve (3).