Low-friction-loss non-standard bearing for automobile transmission shaft

Abstract

The utility model discloses a low-friction-loss non-standard bearing for an automobile transmission shaft, and belongs to the technical field of automobile transmission shaft bearings. Comprising an outer ring, an inner ring installed on the inner side of the outer ring, a retainer installed between the outer ring and the inner ring and balls installed at the position of the retainer, and a first blocking cover and a second blocking cover are installed at the combined positions of the ends of the outer ring and the inner ring respectively. A second sealing rubber ring abutting against the outer wall of the inner ring is embedded in the inner wall of the first blocking cover, a flange is integrally formed on the outer wall of the first blocking cover, the first sealing rubber ring and the second sealing rubber ring can be used for filling a gap of the combination portion of the inner ring and the outer ring, and lubricating grease is filled into the inner side of the bearing through the filling port. Aged lubricating grease is extruded out, and then the filler is blocked by the screwed plug, so that the abrasion between bearing components is prevented from being increased, and the service life of the bearing is further prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile transmission shaft bearings, and more specifically to a non-standard bearing with low friction loss for automobile transmission shafts. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. There are at least the following disadvantages in the use of existing automobile transmission shaft bearings: 1. The existing automobile transmission shaft bearings are not firmly connected, have poor stability, and are difficult to install and disassemble; 2. It is not easy to protect the bearing seat of the existing automobile transmission shaft, and dust is easy to enter the bearing seat during use, which reduces the service life of the equipment.

[0003] An existing patent is for an automobile transmission shaft bearing, and the patent authorization number is CN220185631U. By providing a plurality of slots on a support frame and a plurality of blocks on a protective frame, and inserting and connecting the plurality of blocks with the plurality of slots respectively, the connection between the plurality of positioning screws and the support frame can be protected to prevent dust or oil from entering the plurality of slots, thereby improving stability.

[0004] However, it is not convenient to inject grease into the inner side of the bearing in patent authorization number CN220185631U during use, which causes the original grease on the inner side of the bearing to age, thereby increasing the wear between the components of the bearing, and further affecting the service life of the bearing. Therefore, we propose a non-standard bearing with low friction loss for automobile drive shafts to solve the above problems. Utility Model Content

[0005] 1. Technical problems to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a non-standard bearing with low friction loss for an automobile transmission shaft, which can use a first sealing rubber ring and a second sealing rubber ring to fill the gap between the inner ring and the outer ring, and use a filling port to add grease to the inside of the bearing to squeeze out the aged grease, and then use a wire plug to seal the filling port to avoid increased wear between bearing components, thereby extending the service life of the bearing.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A non-standard bearing with low friction loss for a vehicle transmission shaft, comprising an outer ring, an inner ring installed inside the outer ring, a retaining frame installed between the outer ring and the inner ring, and a ball installed at the retaining frame, wherein a first stop cover and a second stop cover are respectively installed at the joint portion between the outer ring and the inner ring end;

[0010] The inner wall of the first stop cover is inlaid with a second sealing rubber ring which abuts against the outer wall of the inner ring, and the outer wall of the first stop cover is integrally formed with a flange;

[0011] The outer wall of the second stop cover is inlaid with a first sealing rubber ring abutting against the inner wall of the outer ring, and the inner wall of the second stop cover is provided with a groove forming an embedded structure with the flange;

[0012] A filling port is provided in the middle of the outer wall of the outer ring;

[0013] The inner side of the filling port is detachably connected with a wire plug.

[0014] Furthermore, a second groove is provided around the inner wall of the outer ring corresponding to the first sealing rubber ring.

[0015] Furthermore, a first groove is formed around the inner wall of the inner ring corresponding to the second sealing rubber ring.

[0016] Furthermore, the filling port corresponds to a channel provided on the inner wall of the outer ring.

[0017] Furthermore, the inner wall of the filling port is provided with threads, and the threads are screwed to the thread plug.

[0018] Furthermore, the thread plug protrudes from the outer wall of the outer ring.

[0019] Furthermore, a mounting seat is fixedly connected to the outer wall edge of the outer ring, and a mounting hole is provided on the surface of the mounting seat.

[0020] 3. Beneficial effects

[0021] Compared with the prior art, the advantages of the present invention are:

[0022] (1) In this solution, the first stop cover and the second stop cover are installed at the junction of the outer ring and the inner ring end, and the first sealing rubber ring and the second sealing rubber ring are used to fill the gap between the inner ring and the outer ring. When the automobile transmission shaft and the inner ring are in interference connection, the first stop cover can rotate relative to the second stop cover, and grease is added to the inner side of the bearing through the filling port to squeeze out the aged grease, and then the filling port is sealed with a screw plug to avoid increased wear between the bearing components, thereby extending the service life of the bearing.

[0023] (2) In this solution, the first sealing rubber ring is engaged with the second slot, and the second sealing rubber ring is engaged with the first slot, which not only can achieve a good sealing effect, but also can increase the bonding force between the first stop cover, the second stop cover and the bearing to prevent falling off or displacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0025] Figure 2 It is a schematic diagram of the disassembly of the utility model;

[0026] Figure 3 This is a schematic diagram of the second cover structure of the utility model;

[0027] Figure 4 This is a schematic diagram of the first cover structure of the utility model;

[0028] Figure 5 It is a schematic diagram of the outer ring structure of the utility model.

[0029] Description of the numbers in the figure:

[0030] 1. Outer ring; 2. Inner ring; 3. Cage; 4. Ball; 5. First stop cover; 6. Second stop cover; 7. First sealing rubber ring; 8. Groove; 9. Flange; 10. Second sealing rubber ring; 11. First slot; 12. Second slot; 13. Filling port; 14. Plug. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0032] Example:

[0033] See also Figure 1-5 A non-standard bearing with low friction loss for automobile transmission shaft, comprising an outer ring 1, an inner ring 2 installed inside the outer ring 1, a retainer 3 installed between the outer ring 1 and the inner ring 2, and a ball 4 installed at the retainer 3, and a first stop cover 5 and a second stop cover 6 are respectively installed at the joint part of the outer ring 1 and the inner ring 2;

[0034] The inner wall of the first stopper 5 is inlaid with a second sealing rubber ring 10 which abuts against the outer wall of the inner ring 2, and the outer wall of the first stopper 5 is integrally formed with a flange 9;

[0035] The outer wall of the second stop cover 6 is inlaid with a first sealing rubber ring 7 that abuts against the inner wall of the outer ring 1, and the inner wall of the second stop cover 6 is provided with a groove 8 that forms an embedded structure with the flange 9;

[0036] A filling port 13 is provided in the middle of the outer wall of the outer ring 1;

[0037] The inner side of the filling port 13 is detachably connected with a wire plug 14;

[0038] It should be noted that when the non-standard bearing with low friction loss for automobile transmission shaft is in use, the second cover 6 is set as a two-piece structure. The second cover 6 is engaged with the groove 8 and the flange 9 to make it embrace the outside of the first cover 5, and then the joint part of the second cover 6 is welded, and the first cover 5 and the second cover 6 are installed at the joint part of the outer ring 1 and the end of the inner ring 2, and the first sealing rubber ring 7 and the second sealing rubber ring 10 are used to fill the gap between the inner ring 1 and the outer ring 2. When the automobile transmission shaft and the inner ring 2 are working through the interference connection, the first cover 5 can rotate relative to the second cover 6, and grease is added to the inside of the bearing through the filling port 13 to squeeze out the aged grease, and then the filling port 13 is blocked with a wire plug 14 to avoid increased wear between the bearing components, thereby extending the service life of the bearing.

[0039] like Figure 2 , Figure 3 , Figure 4 The inner wall portion of the outer ring 1 corresponding to the first sealing rubber ring 7 is provided with a second groove 12, and the inner wall portion of the inner ring 2 corresponding to the second sealing rubber ring 10 is provided with a first groove 11;

[0040] It should be noted that the first sealing rubber ring 7 is engaged with the second groove 12, and the second sealing rubber ring 10 is engaged with the first groove 11, which can not only achieve a good sealing effect, but also increase the bonding force between the first stop cover 5, the second stop cover 6 and the bearing to prevent falling off or displacement.

[0041] like Figure 1 , Figure 4 As shown, the filling port 13 corresponds to the channel provided on the inner wall of the outer ring 1, the inner wall of the filling port 13 is provided with a thread, and the thread is screwed with the screw plug 14, and the screw plug 14 protrudes from the outer wall of the outer ring 1;

[0042] It should be noted that by filling grease through the filling port 13, the grease is distributed in the groove area, thereby playing a role in lubricating the ball 4 and the retaining frame 3, and the screw plug 14 is threadedly connected to the filling port 13 to seal and prevent dust from entering the inner side of the bearing.

[0043] like Figure 1 As shown, a mounting seat is fixedly connected to the outer wall edge of the outer ring 1, and a mounting hole is opened on the surface of the mounting seat;

[0044] It should be noted that the mounting holes provided at the mounting seat facilitate the installation of the bearing at a designated mounting position for connecting to the vehicle transmission shaft.

[0045] When in use: the second stop cover 6 is a two-piece structure. The second stop cover 6 is engaged with the groove 8 and the flange 9 to make it embrace the outside of the first stop cover 5, and then the joint of the second stop cover 6 is welded. The first stop cover 5 and the second stop cover 6 are installed at the joint of the outer ring 1 and the end of the inner ring 2, and the first sealing rubber ring 7 and the second sealing rubber ring 10 are used to fill the gap between the joint of the inner ring 1 and the outer ring 2. When the automobile transmission shaft and the inner ring 2 are connected by interference fit, the first stop cover 5 can rotate relative to the second stop cover 6, and grease is added to the inside of the bearing through the filling port 13 to squeeze out the aged grease, and then the filling port 13 is blocked with a screw plug 14.

[0046] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A non-standard bearing with low friction loss for an automobile transmission shaft, comprising an outer ring (1), an inner ring (2) mounted inside the outer ring (1), a retaining frame (3) mounted between the outer ring (1) and the inner ring (2), and a ball (4) mounted on the retaining frame (3), characterized in that: A first stopper (5) and a second stopper (6) are respectively installed at the joint portion between the end of the outer ring (1) and the end of the inner ring (2); The inner wall of the first stop cover (5) is inlaid with a second sealing rubber ring (10) which abuts against the outer wall of the inner ring (2), and the outer wall of the first stop cover (5) is integrally formed with a flange (9); The outer wall of the second stop cover (6) is inlaid with a first sealing rubber ring (7) which abuts against the inner wall of the outer ring (1), and the inner wall of the second stop cover (6) is provided with a groove (8) which forms an embedded structure with the flange (9); A filling port (13) is provided in the middle of the outer wall of the outer ring (1); The inner side of the filling port (13) is detachably connected with a wire plug (14).

2. The non-standard bearing with low friction loss for automobile transmission shaft according to claim 1, characterized in that: A second clamping groove (12) is provided in the inner wall portion of the outer ring (1) corresponding to the first sealing rubber ring (7).

3. The non-standard bearing with low friction loss for automobile transmission shaft according to claim 1, characterized in that: A first clamping groove (11) is provided in the inner wall portion of the inner ring (2) corresponding to the second sealing rubber ring (10).

4. The non-standard bearing with low friction loss for automobile transmission shaft according to claim 1, characterized in that: The filling port (13) corresponds to a channel provided on the inner wall of the outer ring (1).

5. The non-standard bearing with low friction loss for automobile transmission shaft according to claim 1, characterized in that: The inner wall of the filling port (13) is provided with a thread, and the thread is threadedly connected to the thread plug (14).

6. The non-standard bearing with low friction loss for automobile transmission shaft according to claim 1, characterized in that: The thread plug (14) protrudes from the outer wall of the outer ring (1).

7. The non-standard bearing with low friction loss for automobile transmission shaft according to claim 1, characterized in that: The outer wall edge of the outer ring (1) is fixedly connected with a mounting seat, and a mounting hole is provided on the surface of the mounting seat.

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