CN220807201U - Needle bearing assembly and disassembly tools - Google Patents
Needle bearing assembly and disassembly tools Download PDFInfo
- Publication number
- CN220807201U CN220807201U CN202322156344.9U CN202322156344U CN220807201U CN 220807201 U CN220807201 U CN 220807201U CN 202322156344 U CN202322156344 U CN 202322156344U CN 220807201 U CN220807201 U CN 220807201U
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- needle bearing
- cylinder
- connecting block
- rod
- threaded
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- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000011900 installation process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a needle bearing dismounting tool, which relates to a needle bearing and comprises a first cylinder, a second cylinder and a holding rod, wherein the first cylinder is used for the needle bearing to be laminated and sleeved, the second cylinder is connected with the first cylinder, the diameter of the second cylinder is between the diameter of the first cylinder and the diameter of the needle bearing, and the holding rod is connected with the second cylinder. The utility model is beneficial to solving the problems that the shell of the needle bearing is weak, and when the shell of the needle bearing is stressed unevenly in the installation process, the shell of part of the needle bearing is deformed, thereby affecting the activity of the bearing and greatly affecting the service life of the bearing.
Description
Technical Field
The utility model relates to the technical field of bearing dismounting tools, in particular to a needle bearing dismounting tool.
Background
The roller bearing is a roller bearing with cylindrical rollers, the rollers are thin and long relative to the diameter of the roller bearing, the shell is weak, and in the disassembly and assembly process of the roller bearing at present, if the shell of the roller bearing is stressed unevenly in the disassembly and assembly process, the shell of part of the roller bearing can deform, so that the activity of the bearing is influenced, and the service life of the bearing is greatly influenced.
Disclosure of utility model
The utility model aims to provide a needle bearing dismounting tool which can enable the stress in the needle bearing dismounting process to be uniform.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a bearing assembly and disassembly tools, relates to bearing, including can supply bearing laminating cover establish first cylinder, with first cylinder is connected and the diameter size is between first cylinder diameter size with bearing diameter size between second cylinder and with the holding rod that second cylinder is connected.
Further, still include connecting block, threaded rod and two grip bars, the connecting block is followed the slip of the length direction of second post is worn to establish on the second post, the threaded rod wear to establish on the holding rod and with connecting block threaded connection, two the length of grip bar is adjustable, and two the grip bar sets up respectively the both sides of connecting block and with the part of dismouting is treated in the cooperation of connecting block is carried out the centre gripping.
Further, the clamping strip comprises an L-shaped casing, an extension rod and a gear, one end of the extension rod is slidably arranged in the vertical portion of the L-shaped casing in a penetrating manner, the extension rod is provided with a through chute, one side of the chute is provided with a rack on the wall of the chute, and the gear is rotatably arranged in the L-shaped casing and meshed with the rack.
Further, the clamping strip further comprises a driving block and a bolt, the driving block is rotatably arranged on the L-shaped casing in a penetrating mode, the driving block is connected with the gear, and the bolt can be sequentially connected with the driving block and the gear in a threaded mode and then abuts against the L-shaped casing.
Further, the connecting block comprises two supporting parts which are transversely arranged, the two extending rods are respectively sleeved on the two supporting parts in a sliding mode and can be respectively fixed with the corresponding supporting parts through fixing pieces.
Further, the connecting block further comprises a connecting part which is arranged between the two supporting parts and has an inverted U-shaped section, and the outer side of the connecting part is in a concave arc shape.
Further, the connecting block further comprises at least one guide bar arranged on the connecting portion, a guide groove matched with the guide bar is further formed in the second column, and the guide bar is in sliding fit with the corresponding guide groove.
Further, the device also comprises at least one operation rod which is perpendicular to the threaded rod.
Furthermore, the operating rod is in threaded connection with the threaded rod, a storage groove is further formed in the threaded rod, and the operating rod can be in threaded connection with the groove wall of the storage groove.
Further, two operation rods are arranged and symmetrical with respect to the threaded rod, and the two threaded rods can be connected with each other in a threaded manner.
The beneficial effects of the utility model are as follows:
The needle bearing dismounting tool is provided with the first cylinder and the second cylinder, and the needle bearing can be attached to the sleeved first cylinder, when the needle bearing is mounted, the needle bearing is sleeved on the outer side of the first cylinder, and then the needle bearing is mounted on a part to be mounted, and because the needle bearing is attached to the first cylinder, the stress of the needle bearing is always uniform during mounting, so that the deformation is avoided; because the diameter characteristics of second post, the second post can support bearing for when dismantling bearing, through holding the holding rod and make the power push can, the simple operation.
Drawings
FIG. 1 is a top view of a needle bearing component to be disassembled and assembled in accordance with an embodiment of the present utility model;
FIG. 2 is a front view showing a disassembled state of a needle bearing disassembling tool according to an embodiment of the present utility model;
FIG. 3 is a front view of a portion of the structure of a needle bearing assembly and disassembly tool according to an embodiment of the present utility model;
FIG. 4 is a front partial cross-sectional view of a portion of the needle bearing assembly and disassembly tool according to an embodiment of the present utility model;
fig. 5 is a side cross-sectional view of a clip strip according to an embodiment of the present utility model.
The components in the drawings are marked as follows: 1. needle roller bearings; 2. a first column; 3. a second column; 301. a guide groove; 4. a grip; 5. a connecting block; 501. a support part; 502. a connection part; 503. a guide bar; 6. a threaded rod; 601. a storage groove; 7. clamping the strip; 701. an L-shaped casing; 702. an extension rod; 7021. a chute; 7022. a rack; 703. a gear; 704. a driving block; 705. a bolt; 8. and an operation lever.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. Embodiments of the utility model and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
See fig. 1.
The utility model embodiment needle bearing dismounting tool relates to a needle bearing 1, which comprises a first cylinder 2, a second cylinder 3 and a holding rod 4, wherein the first cylinder 2 is used for the needle bearing 1 to be jointed and sleeved, the second cylinder 3 is connected with the first cylinder 2, the diameter of the second cylinder is between the diameter of the first cylinder 2 and the diameter of the needle bearing 1, and the holding rod 4 is connected with the second cylinder 3.
The needle bearing dismounting tool is provided with the first cylinder 2 and the second cylinder 3, the needle bearing 1 can be attached to the sleeved first cylinder 2, when the needle bearing 1 is mounted, the needle bearing 1 is sleeved on the outer side of the first cylinder 2, and then the needle bearing 1 is mounted on a part to be mounted, and the needle bearing 1 is attached to the first cylinder 2, so that the stress of the needle bearing 1 is always uniform during mounting, and the deformation is avoided; due to the diameter characteristic of the second cylinder 3, the second cylinder 3 can prop against the needle bearing 1, so that the needle bearing 2 can be detached by holding the holding rod 4 to push the needle bearing firmly, and the operation is convenient; in this embodiment, a plurality of columns may be further disposed in front of the first column 2 to accommodate the installation of the needle bearing 1 with a constant size, and the diameter relationship between the two columns connected and the needle bearing to be installed is consistent with the diameter relationship between the first column 2 and the second column 3 and the needle bearing 1 to be installed.
Referring to fig. 2, the clamping device further comprises a connecting block 5, a threaded rod 6 and two clamping strips 7, wherein the connecting block 5 is arranged on the second column 3 in a sliding penetrating manner along the length direction of the second column 3, the threaded rod 6 is arranged on the holding rod 4 in a penetrating manner and is in threaded connection with the connecting block 5, the lengths of the two clamping strips 7 are adjustable, and the two clamping strips 7 are respectively arranged on two sides of the connecting block 5 and are matched with the connecting block 5 to clamp a part to be disassembled and assembled. By means of the design, the threaded rod 6 can be moved to push the holding rod 4 through rotating the threaded rod 6, and the needle bearing 1 can be conveniently dismounted.
Referring to fig. 5, the clamping bar 7 includes an L-shaped casing 701, an extension rod 702, and a gear 703, wherein one end of the extension rod 702 is slidably disposed in a vertical portion of the L-shaped casing 701, a through chute 7021 is formed in the extension rod 702, a rack 7022 is disposed on a wall of one side of the chute 7021, and the gear 703 is rotatably disposed in the L-shaped casing 701 and is meshed with the rack 7022. By means of the design, when the length of the clamping strip 7 is adjusted and the part to be disassembled is clamped, the driving gear 703 can rotate, and the structure is simple and the operation is convenient.
Referring to fig. 4, the clamping bar 7 further includes a driving block 704 and a bolt 705, the driving block 704 is rotatably disposed on the L-shaped casing 701, the driving block 704 is connected with the gear 703, and the bolt 705 can be screwed with the driving block 704 and the gear 703 in sequence and then abuts against the L-shaped casing 701. In this way, the gear 703 is changed in two states of rotation and fixation through the bolt 705 and the driving block 704, so that the gear 703 is prevented from self-rotation to interfere with disassembly work, and in the embodiment, the bolt 705 abuts against the L-shaped casing 701 in the fixed state, and the bolt 705 is rotated until the bolt 705 does not abut against the L-shaped casing 701 in the rotating state.
Referring to fig. 2, the connection block 5 includes two supporting portions 501 disposed in a transverse direction, and two extension rods 702 are respectively slidably sleeved on the two supporting portions 501 and can be respectively fixed with the corresponding supporting portions 501 through fixing members. By means of the design, the distance between the two clamping strips 7 is adjustable, and the needle bearing 1 to be disassembled and assembled is further clamped conveniently.
Referring to fig. 2, the connection block 5 further includes a connection portion 502 disposed between the two support portions 501 and having an inverted U-shaped cross section, and an outer side of the connection portion 502 is concave-arc. This design allows an operator to more comfortably grip the connection 502 while rotating the threaded rod 6.
Referring to fig. 3 and 4, the connecting block 5 further includes at least one guiding strip 503 disposed on the connecting portion 502, and the second cylinder 3 further includes a guiding groove 301 matching with the guiding strip 503, and the guiding strip 503 is slidably matched with the corresponding guiding groove 301. By means of the design, guiding is achieved through sliding fit, and when the threaded rod 6 is rotated, the needle bearing 1 is stable to assemble and disassemble.
Referring to fig. 2, at least one operating rod 8 is also included, which is arranged perpendicular to the threaded rod 6. This design facilitates the rotation of the threaded rod 6.
Referring to fig. 2, the operating rod 8 is in threaded connection with the threaded rod 6, and a receiving groove 601 is further formed in the threaded rod 6, and the operating rod 8 may be in threaded connection with a groove wall of the receiving groove 601. By the design, when the device is not used, the operating rod 8 can be detached and stored in the threaded rod 6, and the space occupation ratio is reduced.
Referring to fig. 2, the operating rods 8 are provided in two, the two operating rods 8 are symmetrical with respect to the threaded rod 6, and the two threaded rods 6 are threadably connected to each other. By means of the design, when the disassembly and assembly work needs to be carried out by using large force, the two operation rods 8 are connected with each other, the length of a power arm is increased, and the burden of operators is reduced.
In summary, in the needle bearing dismounting tool of the embodiment of the utility model, the first cylinder 2 and the second cylinder 3 are provided, and the needle bearing 1 can be attached to the first cylinder 2 which is sleeved, when the needle bearing 1 is mounted, the needle bearing 1 is sleeved on the outer side of the first cylinder 2, and then is mounted on a part to be mounted, and as the needle bearing 1 is attached to the first cylinder 2, the stress of the needle bearing 1 is always uniform during mounting, so that the deformation is avoided; due to the diameter characteristic of the second cylinder 3, the second cylinder 3 can prop against the needle bearing 1, so that the holding rod 4 is held to push the needle bearing 1 firmly when the needle bearing 1 is disassembled, and the operation is convenient.
It should be noted that, in the embodiment of the present utility model, directional indications such as up, down, left, right, front, and rear … … are referred to merely for explaining a relative positional relationship, a movement condition, and the like between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In addition, "a plurality of" means two or more. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
It should be understood that the examples and embodiments described herein are for illustrative purposes only and are not intended to limit the present utility model, and that various modifications or changes in light thereof will be suggested to persons skilled in the art and are to be included within the spirit and purview of this application.
Claims (10)
1. The utility model provides a bearing assembly and disassembly tools, relates to bearing (1), its characterized in that, including confession bearing (1) laminating cover is established first cylinder (2), with first cylinder (2) are connected and the diameter size is between first cylinder (2) diameter size with second cylinder (3) between bearing (1) diameter size and with holding rod (4) that second cylinder (3) are connected.
2. The needle bearing dismounting tool according to claim 1, further comprising a connecting block (5), a threaded rod (6) and two clamping bars (7), wherein the connecting block (5) is slidably arranged on the second cylinder (3) along the length direction of the second cylinder (3), the threaded rod (6) is arranged on the holding rod (4) in a penetrating manner and is in threaded connection with the connecting block (5), the lengths of the two clamping bars (7) are adjustable, and the two clamping bars (7) are respectively arranged on two sides of the connecting block (5) and are matched with the connecting block (5) to clamp a part to be dismounted.
3. The needle bearing dismounting tool as claimed in claim 2, wherein the clamping bar (7) comprises an L-shaped casing (701), an extension bar (702) and a gear (703), one end of the extension bar (702) is slidably arranged in a vertical portion of the L-shaped casing (701), a through chute (7021) is formed in the extension bar (702), a rack (7022) is arranged on a side wall of the chute (7021), and the gear (703) is rotatably arranged in the L-shaped casing (701) and meshed with the rack (7022).
4. A needle bearing assembly and disassembly tool according to claim 3, wherein the clamping bar (7) further comprises a driving block (704) and a bolt (705), the driving block (704) is rotatably arranged on the L-shaped casing (701), the driving block (704) is connected with the gear (703), and the bolt (705) can be sequentially connected with the driving block (704) and the gear (703) in a threaded manner and then abuts against the L-shaped casing (701).
5. A needle bearing dismounting tool as claimed in claim 3, characterized in that the connecting block (5) comprises two transversely arranged supporting parts (501), and the two extension rods (702) are respectively slidably sleeved on the two supporting parts (501) and can be respectively fixed with the corresponding supporting parts (501) through fixing pieces.
6. The needle bearing dismounting tool as claimed in claim 5, wherein the connecting block (5) further comprises a connecting portion (502) which is arranged between the two supporting portions (501) and has an inverted U-shaped cross section, and the outer side of the connecting portion (502) is in a concave arc shape.
7. The needle bearing dismounting tool as claimed in claim 6, wherein the connecting block (5) further comprises at least one guide bar (503) arranged on the connecting portion (502), the second cylinder (3) is further provided with a guide groove (301) matched with the guide bar (503), and the guide bar (503) is in sliding fit with the corresponding guide groove (301).
8. Needle bearing assembly and disassembly tool according to any one of claims 2 to 7, further comprising at least one operating rod (8) arranged perpendicular to the threaded rod (6).
9. The needle bearing dismounting tool as claimed in claim 8, wherein the operating rod (8) is in threaded connection with the threaded rod (6), a receiving groove (601) is further formed in the threaded rod (6), and the operating rod (8) is in threaded connection with a groove wall of the receiving groove (601).
10. Needle bearing dismounting tool according to claim 9, characterized in that two of the operating levers (8) are provided, that two of the operating levers (8) are symmetrical with respect to the threaded rod (6), and that two of the threaded rods (6) are threadably connected to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322156344.9U CN220807201U (en) | 2023-08-08 | 2023-08-08 | Needle bearing assembly and disassembly tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322156344.9U CN220807201U (en) | 2023-08-08 | 2023-08-08 | Needle bearing assembly and disassembly tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220807201U true CN220807201U (en) | 2024-04-19 |
Family
ID=90678273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322156344.9U Active CN220807201U (en) | 2023-08-08 | 2023-08-08 | Needle bearing assembly and disassembly tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220807201U (en) |
-
2023
- 2023-08-08 CN CN202322156344.9U patent/CN220807201U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |