CN219953962U

CN219953962U - Detachable rod end joint bearing

Info

Publication number: CN219953962U
Application number: CN202320904922.XU
Authority: CN
Inventors: 周峰
Original assignee: Zhejiang Heguang Tongchen Machinery Co ltd
Current assignee: Zhejiang Heguang Tongchen Machinery Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-11-03
Anticipated expiration: 2033-04-19

Abstract

The utility model provides a detachable rod end joint bearing, which comprises a shell, a bearing inner ring arranged in the shell and a bearing rod connected with the shell, wherein the shell comprises a first shell and a second shell, an inner cavity is formed between the first shell and the second shell, the bearing inner ring is arranged in the inner cavity, a first connecting part is arranged at the bottom of the first shell, a second connecting part is arranged at the bottom of the second shell, the first connecting part is detachably connected with the second connecting part, the bottom of the first connecting part is fixedly connected with the bearing rod, and the first shell and the second shell can be separated through the detachable connection between the first connecting part and the second connecting part, so that the replacement of the bearing inner ring is more convenient, the replacement efficiency is increased, and the replacement cost is reduced.

Description

Detachable rod end joint bearing

Technical Field

The present utility model relates to bearings, and in particular, to a removable rod end joint bearing.

Background

The rod end joint bearing is a joint bearing with a rod end or arranged on the rod end, belongs to one of the joint bearings, and mainly consists of an inner ring with an outer spherical surface and an outer ring with an inner spherical surface, and can bear larger load, so that the joint bearing is widely used for swinging motion, tilting motion and rotating motion with lower speed.

Currently, chinese patent publication No. CN215110069U discloses a joint bearing, which comprises a supporting rod, a shell and a bearing inner ring, wherein a stepped hole is formed in the top of the shell, a sealing cover is arranged at the top of the stepped hole, and oil is injected into the joint bearing by opening the sealing cover, so that the bearing inner ring is lubricated.

The patent still has the defect that abnormal sound can appear when the joint bearing inner race appears wearing and tearing to need replace the bearing inner race, the above-mentioned patent can only take out through methods such as heating, knocking when needs replacement bearing inner race, and replacement efficiency is lower, and replacement cost is higher.

Disclosure of Invention

In view of the above, it is an object of the present utility model to provide a removable rod end joint bearing that has a convenient function for replacing the bearing inner race.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a can dismantle rod end joint bearing, includes the shell, sets up the bearing inner ring in the shell, the dead lever of being connected with the shell, the shell includes casing one and casing two, casing one with constitute the inner chamber between the casing two, the bearing inner ring sets up in the inner chamber, casing one bottom is provided with connecting portion one, casing two bottoms are provided with connecting portion two, connecting portion one with connecting portion two can dismantle the connection, connecting portion one bottom with dead lever fixed connection.

Through above-mentioned technical means, through divide into casing one with the shell two to through the inner chamber of constituteing before casing one and the casing two, make the bearing inner ring install in the inner chamber, can dismantle the connection between connecting portion one and the connecting portion two, make casing one and casing two can separate, it is more convenient when following the change bearing inner ring, increase change efficiency, reduce the replacement cost.

Preferably, the first connecting part comprises a base plate, a guide block is fixedly arranged on the base plate, the second connecting part comprises a groove block, a guide groove is formed in the bottom of the groove block, and the guide block is connected with the guide groove in a sliding mode.

Through the technical means, the left-right movement position between the first shell and the second shell is limited through the cooperation between the guide block and the guide groove, and the connection precision of the first shell and the second shell is improved.

Preferably, the bottom of the guide groove is provided with a clamping groove, the top of the guide block is provided with a clamping block, and the clamping block is clamped into the clamping groove.

Through the technical means, the up-and-down movement position between the guide block and the guide groove is limited through the cooperation between the clamping groove and the clamping block, and the connection precision of the first shell and the second shell is further improved.

Preferably, the groove block and the guide block are provided with fixing holes, fixing columns and rubber plugs are arranged in the fixing holes, the fixing columns are connected with the fixing holes in a sliding mode, and the rubber plugs plug the fixing holes.

Through above-mentioned technical means, stretch into the fixed orifices through the fixed column, realize the accurate fixed between guide block and the guide way, lock guide block and the guide way simultaneously, prevent its separation, block up the fixed orifices through the rubber end cap, the fixed column breaks away from the fixed orifices when preventing to take place great vibrations, increases its stability.

Preferably, the first end face of the shell is provided with a positioning hole, the second end face of the shell is fixedly provided with a positioning shaft, and the positioning shaft is clamped into the positioning hole.

Through the technical means, the matching precision of the first shell and the second shell is further increased through the matching between the positioning hole and the positioning shaft, and gaps are prevented from being formed between the first shell and the second shell.

Preferably, the bearing rod comprises a transition rod, a limiting rod and a connecting rod which are sequentially arranged, the transition rod is fixedly connected with the shell, a clamping ring is fixedly arranged at the top of the connecting rod, a clamping hole is formed in the transition rod, the clamping ring penetrates through the limiting rod and is arranged in the clamping hole, and the limiting rod is in threaded connection with the transition rod and abuts against the clamping ring in the clamping hole.

Through above-mentioned technical means, install the connecting rod on the transition pole through the gag lever post, when need rotate the shell when changing the bearing inner ring, through not hard up threaded connection between gag lever post and the transition pole, make can rotate relatively between joint ring and the joint hole, make it is more convenient to change the bearing inner ring.

Preferably, the two end surfaces of the clamping ring are provided with through holes, springs are fixedly arranged in the through holes, steel balls are arranged on two sides of each spring, and the springs prop against the steel balls and extend out of the through holes.

Through the technical means, the spring is propped against the steel ball, and the steel ball is contacted with the bottom surface of the clamping hole and the end surface of the limiting rod, so that the surface-to-surface contact is changed into the point-to-surface contact, the force required by rotating the clamping ring is reduced, and the rotation is more labor-saving.

Drawings

FIG. 1 is a schematic diagram of an embodiment;

FIG. 2 is a partial schematic view of an embodiment I;

FIG. 3 is a schematic diagram of a portion of a second embodiment;

FIG. 4 is a schematic view of a second housing;

FIG. 5 is a partial cross-sectional view of an embodiment;

FIG. 6 is a schematic cross-sectional view of a bearing rod;

fig. 7 is an enlarged view of a portion a of fig. 6.

Reference numerals: 1. a housing; 2. a bearing inner ring; 3. a bearing rod; 4. a greasing groove; 5. a first shell; 6. a second shell; 7. an inner cavity; 8. a first connecting part; 9. a second connecting part; 10. a fixing hole; 11. fixing the column; 12. a rubber plug; 13. a base plate; 14. a guide block; 15. a trough block; 16. a guide groove; 17. a clamping groove; 18. a clamping block; 19. positioning holes; 20. positioning a shaft; 21. a transition rod; 22. a limit rod; 23. a connecting rod; 24. a clamping hole; 25. a clamping ring; 26. perforating; 27. a spring; 28. and (5) steel balls.

Detailed Description

The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.

The utility model provides a can dismantle rod end joint bearing, as shown in fig. 1, fig. 2, fig. 5, including shell 1, the setting is in the bearing inner ring 2 of shell 1, the bearing pole 3 of being connected with shell 1, the greasing groove 4 that is used for depositing lubricating grease has been seted up to bearing inner ring 2, shell 1 includes casing one 5 and casing two 6, constitute inner chamber 7 between casing one 5 and the casing two 6, bearing inner ring 2 sets up in inner chamber 7, casing one 5 bottom is provided with connecting portion one 8, casing two 6 bottom is provided with connecting portion two 9, connecting portion one 8 card is gone into in connecting portion two 9, and set up fixed orifices 10, the fixed orifices 10 runs through the setting in connecting portion one 8 and the communicating part of connecting portion two 9, be provided with fixed column 11 and rubber end cap 12 in the fixed orifices 10, fixed column 11 and fixed orifices 10 slide and be connected, rubber end cap 12 blocks up fixed orifices 10, when need take out bearing inner ring 2 and change or the greasing, it can to take out connecting portion one 8 and connecting portion two 9 separation, increase the change efficiency, reduce the change cost.

As shown in fig. 2, 3 and 4, the first connecting portion 8 includes a base plate 13, the base plate 13 is integrally formed with the first housing 5 and fixedly connected with the bearing rod 3, the base plate 13 is fixedly provided with a guide block 14, the second connecting portion 9 includes a groove block 15, the groove block 15 is integrally formed with the second housing 6, a guide groove 16 is formed at the bottom of the groove block 15, the guide block 14 is slidably connected with the guide groove 16, when the guide block 14 is completely attached to the guide groove 16, a gap does not exist between the first housing 5 and the second housing 6, the guide block 14 and the guide groove 16 limit the left-right movement position between the first housing 5 and the second housing 6, and the connection precision between the first housing 5 and the second housing 6 is increased.

As shown in fig. 2-5, the fixing hole 10 is arranged on the groove block 15 and the guide block 14, the fixing column 11 passes through the groove block 15 and the guide block 14, when the guide block 14 of the groove block 15 is not clamped in place, the fixing hole 10 on the groove block 15 and the fixing hole 10 on the guide block 14 are not in the same straight line, and the fixing column 11 cannot pass through, so that the fixing column has a certain error proofing function, and a gap is prevented from being formed between the first shell 5 and the second shell 6, thereby affecting use.

As shown in fig. 2, 3 and 4, a clamping groove 17 is formed at the bottom of the guide groove 16, a clamping block 18 is arranged at the top of the guide block 14, the clamping block 18 is clamped into the clamping groove 17, the clamping groove 17 and the guide groove 16 form a T-shaped groove, the clamping block 18 and the connecting block form a T-shaped block, the up-down movement position between the first shell 5 and the second shell 6 is limited through the cooperation between the clamping block 18 and the clamping groove 17, and the connection precision of the first shell 5 and the second shell 6 is further increased.

As shown in fig. 2, 3 and 4, a positioning hole 19 is formed above the end surface of the first shell 5 and the second shell 6, a positioning shaft 20 is fixedly arranged on the end surface of the second shell 6, the positioning shaft 20 is clamped into the positioning hole 19, the deformation phenomenon of the upper parts of the first shell 5 and the second shell 6 is prevented through the cooperation of the positioning shaft 20 and the positioning hole 19, the cooperation precision of the upper parts of the first shell 5 and the second shell 6 is increased, and the gap of the upper parts of the first shell 5 and the second shell 6 is prevented.

As shown in fig. 1 and 6, the bearing rod 3 includes a transition rod 21, a limit rod 22 and a connecting rod 23 which are sequentially arranged, the transition rod 21 and the base plate 13 are integrally formed and provided with a clamping hole 24, the top of the connecting rod 23 is fixedly provided with a clamping ring 25, the clamping ring 25 is arranged in the clamping hole 24, the limit rod 22 is provided with a through hole for the clamping ring 25 to pass through and is sleeved on the connecting rod 23, one end of the limit rod 22, which is away from the connecting rod 23, is also provided with an internal thread, the end surface of the transition rod 21 is provided with a pipe thread, the limit rod 22 is in threaded connection with the transition rod 21 and abuts against the clamping ring 25 in the clamping hole 24, when the shell needs to be rotated, the threads between the limit rod 22 and the transition rod 21 are loosened, so that the clamping ring 25 can rotate in the clamping hole 24, and when the shell needs to be fixed, the end surface of the limit rod 22 abuts against the clamping ring 25.

As shown in fig. 6 and 7, the two end surfaces of the clamping ring 25 are provided with through holes 26, springs 27 are fixedly arranged in the through holes 26, steel balls 28 are arranged on two sides of each spring 27, when a screw rod between the limiting rod 22 and the transition rod 21 is loosened, the springs 27 prop against the steel balls 28 and extend out of the through holes 26, the contact between the surfaces is changed into the contact between points, the force required for rotating the clamping ring 25 is reduced, the rotation is more labor-saving, and when the threads between the limiting rod 22 and the transition rod 21 are screwed tightly, the steel balls 28 are pressed into the through holes 26, so that the clamping ring 25 cannot rotate.

Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.

Claims

1. The utility model provides a can dismantle rod end joint bearing, includes shell (1), sets up in bearing inner ring (2) in shell (1), dead lever (3) be connected, characterized by with shell (1): the shell (1) comprises a first shell (5) and a second shell (6), an inner cavity (7) is formed between the first shell (5) and the second shell (6), the bearing inner ring (2) is arranged in the inner cavity (7), a first connecting portion (8) is arranged at the bottom of the first shell (5), a second connecting portion (9) is arranged at the bottom of the second shell (6), the first connecting portion (8) is detachably connected with the second connecting portion (9), and the bottom of the first connecting portion (8) is fixedly connected with the bearing rod (3).

2. A removable rod end joint bearing according to claim 1, wherein: the first connecting part (8) comprises a base plate (13), a guide block (14) is fixedly arranged on the base plate (13), the second connecting part (9) comprises a groove block (15), a guide groove (16) is formed in the bottom of the groove block (15), and the guide block (14) is connected with the guide groove (16) in a sliding mode.

3. A removable rod end joint bearing according to claim 2, wherein: the bottom of the guide groove (16) is provided with a clamping groove (17), the top of the guide block (14) is provided with a clamping block (18), and the clamping block (18) is clamped into the clamping groove (17).

4. A removable rod end joint bearing according to claim 2, wherein: the fixing device is characterized in that fixing holes (10) are formed in the groove blocks (15) and the guide blocks (14), fixing columns (11) and rubber plugs (12) are arranged in the fixing holes (10), the fixing columns (11) are connected with the fixing holes (10) in a sliding mode, and the rubber plugs (12) plug the fixing holes (10).

5. A removable rod end joint bearing according to claim 1, wherein: the positioning device is characterized in that a positioning hole (19) is formed in the end face, attached to the first shell (5) and the second shell (6), of the first shell (6), a positioning shaft (20) is fixedly arranged on the end face of the second shell (6), and the positioning shaft (20) is clamped into the positioning hole (19).

6. A removable rod end joint bearing according to claim 1, wherein: the bearing rod (3) comprises a transition rod (21), a limiting rod (22) and a connecting rod (23) which are sequentially arranged, wherein the transition rod (21) is fixedly connected with the first shell (5), a clamping ring (25) is fixedly arranged at the top of the connecting rod (23), a clamping hole (24) is formed in the transition rod (21), the clamping ring (25) penetrates through the limiting rod (22) and is arranged in the clamping hole (24), and the limiting rod (22) is in threaded connection with the transition rod (21) and abuts against the clamping ring (25) in the clamping hole (24).

7. A removable rod end joint bearing according to claim 6, wherein: the clamping ring is characterized in that two end faces of the clamping ring (25) are provided with through holes (26), springs (27) are fixedly arranged in the through holes (26), steel balls (28) are arranged on two sides of each spring (27), and the springs (27) prop against the steel balls (28) and extend out of the through holes (26).