Automobile universal joint with dustproof structure

Abstract

The utility model discloses an automobile universal joint with a dustproof structure, which comprises a first connecting shaft and a second connecting shaft, a universal ball is hinged between the first connecting shaft and the second connecting shaft, a fixing ring plate is arranged on the surface of the first connecting shaft, a connecting ring plate is detachably arranged on the side wall of the fixing ring plate, and the connecting ring plate is connected with the universal ball. The side wall of the connecting ring plate is fixedly connected with a rubber soft sleeve arranged outside the connecting position of the first connecting shaft and the second connecting shaft in a covering mode. The utility model relates to the technical field of automobile universal joints. According to the automobile universal joint with the dustproof structure, after the fixed annular plate and the connecting annular plate are connected, the rubber soft sleeve is arranged between the connecting positions of the first connecting shaft and the second connecting shaft in a sleeving mode, then dust and impurities can be prevented from entering the connecting positions of the first connecting shaft and the second connecting shaft in the using process, silt and sundries are well blocked, and the service life of the automobile universal joint is prolonged. And the universal joint is kept clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile universal joint, concretely is a kind of automobile universal joint with dustproof structure. BACKGROUND

[0002] Automobile transmission system refers to the power transmission device between automobile engine and driving wheel, universal joint is one component of power transmission device, universal joint is the mechanism that can connect two axis lines non-coincidence and make two shafts with identical angular velocity transmission movement.

[0003] Chinese patent CN219221087U discloses a kind of automobile universal joint, the technical scheme, by being set as the long strip-shaped through hole along the length direction of plug, make connecting ring plate can slide along second connecting hole after force, and set buffer spring on the sliding path of connecting ring plate, impact force caused by connecting ring plate sliding is buffered through buffer spring, simultaneously, the vibration and tension generated in transmission of universal joint are slowed down, avoid the deformation of the connecting end of connecting ring plate or shaft body, affect the extraction of connecting ring plate in subsequent removal process.

[0004] In prior art, the connecting portion of universal joint does not have dustproof function, the dustproof effect of the connecting portion of universal joint is poor, dust adheres to the connecting portion of universal joint, which easily increases the friction force between universal joint components, accelerates the wear of universal joint and shortens the service life of universal joint. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of prior art, the utility model provides a kind of automobile universal joint with dustproof structure, solve the problem that the connecting portion of universal joint does not have dustproof function, dust adheres to the connecting portion of universal joint, which easily increases the friction force between universal joint components.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of automobile universal joint with dustproof structure, including first connecting shaft and second connecting shaft, the first connecting shaft and the second connecting shaft are hingedly arranged with universal ball, the surface of the first connecting shaft is provided with fixed ring plate, the side wall of the fixed ring plate is detachably provided with connecting ring plate, the side wall of the connecting ring plate is fixedly connected with rubber sleeve cover provided outside the connecting portion of the first connecting shaft and the second connecting shaft;

[0007] The top and bottom of the second connecting shaft are provided with upper semicircular plate and lower semicircular plate respectively, the upper semicircular plate and the lower semicircular plate are detachably connected, and the upper semicircular plate and the lower semicircular plate form a circular ring which is sleeved outside the other end of the surface of the rubber sleeve.

[0008] Further, the top and bottom of the universal ball are fixedly connected with the first connecting block rotatably connected with the first connecting shaft, and the front side and the rear side of the universal ball are fixedly connected with the second connecting block rotatably connected with the second connecting shaft.

[0009] Further, the universal ball and the other end of the second connecting shaft are provided with a connecting joint.

[0010] Further, the surface of the fixed ring plate is provided with a plurality of through holes, the inside of the through hole is provided with a connecting bolt, the other end of the connecting bolt penetrates through the connecting ring plate, and a nut is threadedly connected.

[0011] Further, a non-slip gasket is arranged between the nut and the opposite surface of the connecting ring plate.

[0012] Further, the two ends of the lower half circular plate and the upper half circular plate are fixedly connected with connecting ears, and the same end corresponding two connecting ears are connected through a bolt group.

[0013] Further, the surfaces of the first connecting shaft, the universal ball and the second connecting shaft are coated with a primer layer, and the surface of the primer layer is coated with a corrosion-resistant coating.

[0014] Compared with the prior art, after the fixed ring plate and the connecting ring plate are connected, the rubber sleeve is sleeved between the connecting portions of the first connecting shaft and the second connecting shaft, so that in the use process, dust and impurities are prevented from entering between the connecting portions of the first connecting shaft and the second connecting shaft, the mud and impurities are better blocked, the universal joint is kept clean, and after the lower half circular plate and the upper half circular plate are spliced and sleeved on the other end of the rubber sleeve, the rubber sleeve is locked, the stability of the rubber sleeve in the protection process is improved, and the dustproof work of the universal joint is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is a top view structure schematic diagram of the utility model;

[0017] Figure 3 It is a structure schematic diagram of the first connecting shaft and the second connecting shaft in the utility model;

[0018] Figure 4 It is a structure schematic diagram of the first connecting shaft and the primer layer in the utility model.

[0019] In the figure: 1, first connecting shaft; 2, first connecting block; 3, universal ball; 4, second connecting block; 5, second connecting shaft; 6, connecting joint; 7, fixed ring plate; 8, rubber sleeve; 9, connecting ring plate; 10, through hole; 11, connecting bolt; 12, nut; 13, anti-skid washer; 14, lower semicircular plate; 15, upper semicircular plate; 16, connecting lug; 17, bolt set; 18, primer layer; 19, anti-corrosion coating. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a dustproof structure's automobile universal joint, including first connecting shaft 1 and second connecting shaft 5, first connecting shaft 1 and second connecting shaft 5 between hinged and set universal ball 3, the surface of first connecting shaft 1 is provided with fixed ring plate 7, the side wall of fixed ring plate 7 is detachably provided with connecting ring plate 9, the side wall of connecting ring plate 9 is fixedly connected with rubber sleeve 8 covered in the external of the connecting place of first connecting shaft 1 and second connecting shaft 5.

[0022] The top and bottom of second connecting shaft 5 are respectively provided with upper semicircular plate 15 and lower semicircular plate 14, and the upper semicircular plate 15 and the lower semicircular plate 14 are detachably connected, and the upper semicircular plate 15 and the lower semicircular plate 14 form a circular ring which is sleeved on the other end of the surface of the rubber sleeve 8.

[0023] After connecting the fixed ring plate 7 and the connecting ring plate 9, the rubber sleeve 8 is sleeved between the connecting place of the first connecting shaft 1 and the second connecting shaft 5, so that in the use process, dust and impurities are prevented from entering between the connecting place of the first connecting shaft 1 and the second connecting shaft 5, the mud and sundries are better blocked, the cleanliness of the universal joint is maintained, and by splicing the lower semicircular plate 14 and the upper semicircular plate 15 and sleeving the other end of the surface of the rubber sleeve 8, the rubber sleeve 8 is locked, the stability of the rubber sleeve 8 in the protection process is improved, and the dustproof work of the universal joint is facilitated.

[0024] The top and bottom of the universal ball 3 are fixedly connected with the first connecting block 2 rotatably connected with the first connecting shaft 1, and the front side and the back side of the universal ball 3 are fixedly connected with the second connecting block 4 rotatably connected with the second connecting shaft 5.

[0025] The universal ball 3 and the other end of the second connecting shaft 5 are provided with connecting joints 6, which facilitate the connection between the universal joint and the transmission shaft.

[0026] The surface of the fixed ring plate 7 is provided with a plurality of through holes 10, the inside of the through hole 10 is provided with a connecting bolt 11, the other end of the connecting bolt 11 penetrates the connecting ring plate 9, and the nut 12 is threadedly connected, and the anti-skid gasket 13 is arranged between the nut 12 and the opposite surface of the connecting ring plate 9.

[0027] The two ends of the lower semicircular plate 14 and the upper semicircular plate 15 are fixedly connected with the connecting ears 16, and the same end corresponding two connecting ears 16 are detachably connected through the bolt group 17.

[0028] The surfaces of the first connecting shaft 1, the universal ball 3 and the second connecting shaft 5 are coated with a primer layer 18, and the surface of the primer layer 18 is coated with a corrosion-resistant coating 19, and the primer layer 18 and the corrosion-resistant coating 19 improve the corrosion resistance of the universal joint and prolong the service life of the universal joint.

[0029] During work, the fixed ring plate 7 is connected with the connecting ring plate 9, the rubber sleeve 8 is sleeved between the connecting place of the first connecting shaft 1 and the second connecting shaft 5, and then in the use process, dust and impurities are prevented from entering between the connecting place of the first connecting shaft 1 and the second connecting shaft 5, the mud and sundries are better blocked, the universal joint is kept clean, and the rubber sleeve 8 is sleeved on the other end of the surface of the rubber sleeve 8 after the lower semicircular plate 14 and the upper semicircular plate 15 are spliced, and then the rubber sleeve 8 is locked, and the stability of the rubber sleeve 8 in the protection process is improved.

[0030] It should be noted that the relative terms such as first and second, etc. are used herein only 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", "contain" or any other variants thereof are 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 inherent to such process, method, article or equipment.

[0031] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A car universal joint with dustproof structure, comprising a first connecting shaft (1) and a second connecting shaft (5), characterized in that: The universal ball (3) is arranged between the first connecting shaft (1) and the second connecting shaft (5), the surface of the first connecting shaft (1) is provided with a fixed ring plate (7), the side wall of the fixed ring plate (7) is detachably provided with a connecting ring plate (9), the side wall of the connecting ring plate (9) is fixedly connected with a rubber sleeve (8) covering the outside of the connecting part of the first connecting shaft (1) and the second connecting shaft (5); The top and bottom of the second connecting shaft (5) are respectively provided with an upper semicircular plate (15) and a lower semicircular plate (14), the upper semicircular plate (15) and the lower semicircular plate (14) are detachably connected, and the upper semicircular plate (15) and the lower semicircular plate (14) form a circular ring covering the other end of the surface of the rubber sleeve (8).

2. The automobile universal joint with dustproof structure according to claim 1, characterized in that: The top and bottom of the universal ball (3) are fixedly connected with a first connecting block (2) rotatably connected with the first connecting shaft (1), and the front side and the rear side of the universal ball (3) are fixedly connected with a second connecting block (4) rotatably connected with the second connecting shaft (5).

3. The automobile universal joint with dustproof structure according to claim 1, characterized in that: The universal ball (3) and the other end of the second connecting shaft (5) are provided with a connecting joint (6).

4. The automobile universal joint with dustproof structure according to claim 1, characterized in that: The surface of the fixed ring plate (7) is provided with a plurality of through holes (10), the inside of the through hole (10) is provided with a connecting bolt (11), the other end of the connecting bolt (11) penetrates the connecting ring plate (9), and the other end is threadedly connected with a nut (12).

5. The automobile universal joint with dustproof structure according to claim 4, characterized in that: The opposite surfaces of the nut (12) and the connecting ring plate (9) are provided with anti-skid washers (13).

6. The automobile universal joint with dustproof structure according to claim 1, characterized in that: The two ends of the lower semicircular plate (14) and the upper semicircular plate (15) are fixedly connected with connecting ears (16), and the same end corresponding two connecting ears (16) are detachably connected through a bolt group (17).

7. The automobile universal joint with dustproof structure according to claim 1, characterized in that: The surfaces of the first connecting shaft (1), the universal ball (3) and the second connecting shaft (5) are coated with a primer layer (18), and the surface of the primer layer (18) is coated with a corrosion-resistant coating (19).

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