CN219633664U - Dismantle little bearing instrument - Google Patents
Dismantle little bearing instrument Download PDFInfo
- Publication number
- CN219633664U CN219633664U CN202320382340.XU CN202320382340U CN219633664U CN 219633664 U CN219633664 U CN 219633664U CN 202320382340 U CN202320382340 U CN 202320382340U CN 219633664 U CN219633664 U CN 219633664U
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- screw
- sleeve
- grooves
- screw rods
- fan
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- 238000003466 welding Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model belongs to the field of bearing dismounting tools, in particular to a small bearing dismounting tool, aiming at the problems that most structures are complex, inconvenient to adjust and easy to damage bearings in the using process of the existing bearing dismounting tool, the utility model provides a scheme which comprises a sleeve, wherein a sleeve cover is slidably arranged outside the sleeve, a threaded hole is formed in the top of the sleeve, a first screw is arranged in the threaded hole, one end of the first screw is fixedly provided with a rotating rod through welding, the other end of the first screw is fixedly provided with a positioning cone through welding, the bottom of the sleeve cover is provided with a central hole, the inner wall of the central hole is provided with two symmetrical sliding grooves, the two sliding grooves are internally provided with a drawing mechanism, and the top of the sleeve is provided with two symmetrical waist-shaped grooves.
Description
Technical Field
The utility model relates to the technical field of bearing dismounting tools, in particular to a small bearing dismounting tool.
Background
Bearings (bearings) are an important component in contemporary mechanical devices. Its main function is to support the mechanical rotator, reduce the coefficient of friction (friction coefficient) during its movement and guarantee its precision of revolution (accuracies). The method of mounting the bearing is generally an interference fit because the bearing is rotated by a shaft, depending on the structure, fit, and condition of the bearing. Cylindrical hole bearings, multi-purpose press-in, or multi-purpose hot-fill methods. Disassembly is laborious and damage occurs easily.
In the prior art, most of bearing detaching tools are complex in structure, inconvenient to adjust and easy to damage the bearings in the use process, and therefore, a small bearing detaching tool is provided for solving the problems.
Disclosure of Invention
The utility model aims to solve the defects that in the prior art, most bearing dismounting tools are complex in structure, inconvenient to adjust and easy to damage bearings in the use process, and provides a small bearing dismounting tool.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a dismantle little bearing instrument, includes the sleeve, telescopic outside sliding mounting has the cover, and threaded hole has been seted up at telescopic top, and threaded hole internal thread installs first screw rod, and welded fastening installs the rotary rod through welding fixed mounting to one end of first screw rod, and welded fastening installs the locating cone through the other end of first screw rod, and the centre bore has been seted up to the bottom of cover, and two spouts of symmetry have been seted up to the inner wall of centre bore, are provided with drawing mechanism in two spouts.
Preferably, the drawing mechanism comprises two fan-shaped support plates, the two fan-shaped support plates are respectively and slidably mounted in the two sliding grooves, through holes are formed in one side inner walls of the two sliding grooves, second thread grooves are formed in the outer sides of the two fan-shaped support plates, second screw rods are mounted in the two second thread grooves in a threaded mode, and knobs are fixedly mounted at one ends of the two second screw rods through welding.
Preferably, the inner walls of the two sliding grooves are fixedly provided with ball bearings through welding, and the inner rings of the two ball bearings are fixedly connected with the outer sides of the two second screw rods through welding respectively.
Preferably, two symmetrical waist-shaped grooves are formed in the top of the sleeve, third screws are movably mounted in the two waist-shaped grooves, nuts are mounted on the outer sides of the two third screws in a threaded mode, and one ends of the two third screws are fixedly mounted with cylinders through welding.
Preferably, two symmetrical mounting holes are formed in the outer side of the cylinder cover, fastening bolts are rotatably mounted in the two mounting holes, two symmetrical first thread grooves are formed in the outer side of the sleeve, and the two fastening bolts are matched with the two first thread grooves respectively.
In the utility model, the small bearing dismantling tool has the beneficial effects that:
1. according to the scheme, when two knobs are rotated, the two knobs respectively drive two second screws to rotate, the two second screws respectively drive two fan-shaped support plates to be close to each other, when the two fan-shaped support plates move to a certain position, the rotating rod is rotated, the rotating rod drives the first screw to rotate, the positioning cone extrudes the rotating body, and therefore the two fan-shaped support plates produce pulling force to pull out the small bearing.
2. According to the scheme, the two cylinders are inserted between the inner ring and the outer ring of the small bearing and rotate, the two nuts are rotated to a certain position, then the rotating rod is rotated, the rotating rod drives the first screw rod to rotate, the positioning cone extrudes the rotating body, and accordingly the small bearing can be pulled out by pulling force generated by the two third screw rods and the two cylinders.
The utility model can be conveniently adjusted in the use process, is suitable for small bearings with different installation modes, is not easy to damage the bearings, and has simple structure and convenient use.
Drawings
FIG. 1 is a schematic view of a small bearing dismounting tool according to the present utility model;
FIG. 2 is a schematic top view of a small bearing removal tool sleeve according to the present utility model;
FIG. 3 is a schematic top view of a cartridge cover of a small bearing removal tool according to the present utility model;
FIG. 4 is an enlarged schematic view of the portion A of FIG. 1 illustrating a small bearing removal tool according to the present utility model;
fig. 5 is a schematic structural view of a cylinder of a tool for disassembling a small bearing according to the present utility model.
In the figure: 1. a sleeve; 2. a first screw; 3. a rotating rod; 4. positioning cone; 5. a waist-shaped groove; 6. a third screw; 7. a screw cap; 8. a cylinder; 9. a cylinder cover; 10. a fastening bolt; 11. a chute; 12. a fan-shaped support plate; 13. a second screw; 14. and (5) a knob.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1, fig. 2 and fig. 5, a small bearing dismantling tool comprises a sleeve 1, a barrel cover 9 is slidingly installed on the outer side of the sleeve 1, a threaded hole is formed in the top of the sleeve 1, a first screw rod 2 is installed in the threaded hole, a rotating rod 3 is fixedly installed at one end of the first screw rod 2 through welding, a locating cone 4 is fixedly installed at the other end of the first screw rod 2 through welding, a central hole is formed in the bottom of the barrel cover 9, two symmetrical sliding grooves 11 are formed in the inner wall of the central hole, a drawing mechanism is arranged in the two sliding grooves 11, two symmetrical waist-shaped grooves 5 are formed in the top of the sleeve 1, a third screw rod 6 is movably installed in the two waist-shaped grooves 5, a nut 7 is installed on the outer sides of the two third screw rods 6 in a threaded mode, two mounting holes are formed in one ends of the two third screw rods 6 through welding fixedly installed with a cylinder 8, two symmetrical mounting holes are formed in the outer sides of the barrel cover 9, two fastening bolts 10 are rotatably installed in the two mounting holes, two symmetrical first thread grooves are formed in the outer sides of the sleeve 1, two fastening bolts 10 are respectively matched with the two first thread grooves, and when the two fastening bolts 10 are rotatably matched with the two fastening bolts 10, and the two positioning bolts can be fastened by the two positioning bolts or the two positioning bolts 9 can be released.
Referring to fig. 3 and 4, the drawing mechanism includes two fan-shaped extension boards 12, two fan-shaped extension boards 12 are respectively slidable installed in two spouts 11, the through-hole has all been seted up to one side inner wall of two spouts 11, the second screw thread groove has all been seted up in the outside of two fan-shaped extension boards 12, equal screw thread installs second screw 13 in two second screw thread grooves, the one end of two second screw 13 all has knob 14 through welded fastening, the inner wall of two spouts 11 all has ball bearings through welded fastening installation, the inner circle of two ball bearings passes through welded fastening connection with the outside of two second screw 13 respectively, when two second screw 13 rotate, two ball bearings can play firm two second screw 13 pivoted effect respectively.
In this embodiment, when using, place cover 9 in the little bearing outside through the centre bore, rotate two knob 14, and then two fan-shaped extension boards 12 can drive two second screw rods 13 respectively and rotate, two fan-shaped extension boards 12 are close to each other, when two fan-shaped extension boards 12 rotate to certain position, rotate rotary rod 3, rotary rod 3 drives first screw rod 2 and rotates, first screw rod 2 drives the vertical downward movement of locating cone 4, when locating cone 4 extrudees the rotator, continue to rotate rotary rod 3, and then first screw rod 2 drives sleeve 1 and cover 9 vertical upward movement, cover 9 drives two fan-shaped extension boards 12 vertical upward movement, and then two fan-shaped extension boards 12 can draw the dismantlement to little bearing, simultaneously can pass through two fastening bolts 10 of rotation, and then two fastening bolts 10 can be relieved the location to cover 9, then dismantle cover 9, insert two cylinders 8 between the inner circle and the outer lane of little bearing and rotate ninety degrees, rotate two nuts 7 to certain position, rotate rotary rod 3, 3 drive first screw rod 2 and rotate, first screw rod 2 and first screw rod 4 and drive vertical cone 2 and rotate, first screw rod 4 and rotate the vertical screw rod 4 and rotate the vertical upward movement of the rotary rod 6 and the vertical screw rod is not to the vertical movement of two screw rod is suitable for the first screw rod is moved through two and is 3 to the vertical screw rod is moved to the vertical direction 6, and the vertical screw rod is not moved to the vertical direction is moved to the first screw rod is 6.
Example two
The difference between this embodiment and the first embodiment is that: two cylinders 8 pass through the one end of bolt fixed mounting at two third screw rods 6, through the setting of two bolts, can conveniently dismantle cylinder 8 and change to can be applicable to the little bearing of different models and dismantle.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a dismantle little bearing instrument, includes sleeve (1), its characterized in that, telescopic (1) outside slip is installed cover (9), and the screw hole has been seted up at the top of sleeve (1), and screw hole screw thread installs first screw rod (2), and rotary rod (3) are installed to the one end fixed mounting of first screw rod (2), and locating cone (4) are installed to the other end fixed mounting of first screw rod (2), and the centre bore has been seted up to the bottom of cover (9), and two spouts (11) of symmetry have been seted up to the inner wall of centre bore, are provided with drawing mechanism in two spouts (11).
2. The small bearing dismounting tool according to claim 1, wherein two symmetrical mounting holes are formed in the outer side of the cylinder cover (9), fastening bolts (10) are rotatably mounted in the two mounting holes, two symmetrical first thread grooves are formed in the outer side of the sleeve (1), and the two fastening bolts (10) are matched with the two first thread grooves respectively.
3. The small bearing dismantling tool according to claim 2, wherein the drawing mechanism comprises two fan-shaped support plates (12), the two fan-shaped support plates (12) are respectively and slidably installed in the two sliding grooves (11), through holes are formed in one side inner walls of the two sliding grooves (11), second thread grooves are formed in the outer sides of the two fan-shaped support plates (12), second screw rods (13) are installed in the two second thread grooves in a threaded mode, and knobs (14) are fixedly installed at one ends of the two second screw rods (13).
4. A tool for dismounting small bearings according to claim 3, characterized in that the inner walls of the two slide grooves (11) are fixedly provided with ball bearings, the inner rings of which are fixedly connected with the outer sides of the two second screw rods (13), respectively.
5. The small bearing dismantling tool according to claim 4, wherein two symmetrical waist-shaped grooves (5) are formed in the top of the sleeve (1), third screw rods (6) are movably mounted in the two waist-shaped grooves (5), screw caps (7) are mounted on the outer sides of the two third screw rods (6) in a threaded mode, and a cylinder (8) is fixedly mounted at one end of each of the two third screw rods (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320382340.XU CN219633664U (en) | 2023-03-03 | 2023-03-03 | Dismantle little bearing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320382340.XU CN219633664U (en) | 2023-03-03 | 2023-03-03 | Dismantle little bearing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219633664U true CN219633664U (en) | 2023-09-05 |
Family
ID=87814829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320382340.XU Active CN219633664U (en) | 2023-03-03 | 2023-03-03 | Dismantle little bearing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219633664U (en) |
-
2023
- 2023-03-03 CN CN202320382340.XU patent/CN219633664U/en active Active
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