CN213005058U

CN213005058U - Disassembling tool for backrest wheel

Info

Publication number: CN213005058U
Application number: CN202021951615.XU
Authority: CN
Inventors: 张金玲
Original assignee: Tianjin Wanbang Technology Development Co ltd
Current assignee: Tianjin Wanbang Technology Development Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-20
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a back wheel extracting tool, which comprises a fixed block, the fixed first screw rod that is provided with of fixed block both sides position level, fixed block one side end position is kept away from to first screw rod and is put the fixed stopper that is provided with, the activity of first screw rod outside end position is cup jointed and is provided with the movable rod, the fixed piece of settling that is provided with of movable rod inboard end position, it is provided with the back wheel main part to settle piece upper end position, fixed block central point puts and alternates and is provided with the second screw rod, the fixed horizon bar that is provided with of second screw rod upper end both sides position level, second screw rod lower extreme position activity is cup jointed and is provided with the extrusion piece, the cell body has. The utility model discloses through rotating the third screw rod during the use, adjust the extension length of third screw rod to no matter how big bearing, all can make third screw rod outside end overlap joint at bearing upper surface position, make things convenient for extrusion work, improved the application range of device greatly.

Description

Disassembling tool for backrest wheel

Technical Field

The utility model relates to a jointing equipment field specifically is a back wheel extracting tool.

Background

The back-rest wheel is commonly known, and the professional name is shaft coupling and flange, is used for the connection of mechanical equipment.

The inside bearing of current back wheel is grabbed through three and is drawn the horse and dismantle the work, and the operation is comparatively complicated when dismantling, need send into the grapple inside the bearing then fixed, pulls out the completion dismantlement work with the bearing again, if fixed after still can appear the unhook inadequately stably, causes the inboard damage of bearing for the bearing can't reuse comparatively extravagant material, so need a device to solve above-mentioned problem promptly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back wheel extracting tool to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a backrest wheel disassembling tool comprises a fixed block, wherein a first screw rod is horizontally and fixedly welded at the two side end positions of the fixed block, a limiting block is fixedly welded at one side end position of the first screw rod, which is far away from the fixed block, a movable rod is movably sleeved at the outer side end position of the first screw rod and slides left and right along the first screw rod, a mounting block is fixedly welded at the inner side end position of the movable rod, a backrest wheel main body is mounted at the upper end position of the mounting block, the backrest wheel main body is mounted at the position above the mounting block during use, then the movable rod is moved to enable the backrest wheel main body to be extruded and fixed by the movable rod, then a limiting ring is rotated to enable the limiting ring to extrude the movable rod, so that the backrest wheel main body is completely extruded and fixed without multi-step fixing operation, and a second screw rod, the second screw rod reciprocates along the fixed block through rotating, second screw rod upper end both sides position level welded fastening is provided with the horizon bar, and the horizon bar is convenient for rotate the second screw rod, second screw rod lower extreme position activity cup joints and is provided with the extrusion piece, and the extrusion piece rotates around the second screw rod, the cell body has been seted up to the equal level of the inside both sides position of extrusion piece, the cell body internal position is provided with the third screw rod around the machine through the screw thread, and the third screw rod is removed along the cell body is inside through rotating and removes, through rotating the third screw rod during the use, adjusts the extension length of third screw rod to make no matter how big bearing, all can make third screw rod outside end overlap joint at bearing upper surface position.

Preferably, the lower end of the movable rod is fixedly welded with a supporting block.

Preferably, the position of the outer side end of the horizontal rod is provided with anti-skid lines in a surrounding mode.

Preferably, the position of the outer side end of the first screw rod is provided with a limiting ring in a sleeved mode through threads, and the limiting ring moves left and right along the first screw rod through rotation.

Preferably, an operation block is fixedly welded at the position of one side end of the third screw rod, which is far away from the extrusion block, and the operation block is convenient for rotating the third screw rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model arranges the backrest wheel main body above the mounting block, then moves the movable rod to make the backrest wheel main body extruded and fixed by the movable rod, and then rotates the spacing ring to make the spacing ring extrude the movable rod, thereby making the backrest wheel main body extruded and fixed completely without multi-step fixing operation;

2. the utility model discloses through rotating the third screw rod during the use, adjust the extension length of third screw rod to no matter how big bearing, all can make third screw rod outside end overlap joint at bearing upper surface position, make things convenient for extrusion work, improved the application range of device greatly.

Drawings

FIG. 1 is a schematic view of the overall structure of a back wheel dismounting tool of the present invention;

fig. 2 is a top view of a back wheel dismounting tool of the present invention;

fig. 3 is a sectional view of the extrusion block of the backrest wheel dismounting tool of the present invention.

In the figure: 1. a fixed block; 2. a first screw; 3. a limiting block; 4. a limiting ring; 5. a movable rod; 6. a mounting block; 7. a back wheel main body; 8. a mounting block; 9. a horizontal bar; 10. extruding the block; 11. a trough body; 12. a third screw; 13. and an operation block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a back wheel dismounting tool comprises a fixed block 1, a first screw rod 2 is horizontally welded and fixed at two side end positions of the fixed block 1, a limit block 3 is welded and fixed at one side end position of the first screw rod 2 far away from the fixed block 1, a limit ring 4 is sleeved at the outer side end position of the first screw rod 2 through threads, the limit ring 4 moves left and right along the first screw rod 2 through rotation, a movable rod 5 is movably sleeved at the outer side end position of the first screw rod 2, the movable rod 5 slides left and right along the first screw rod 2, a support block is welded and fixed at the lower end position of the movable rod 5, a mounting block 6 is welded and fixed at the inner side end position of the movable rod 5, a back wheel main body 7 is mounted at the upper end position of the mounting block 6, the back wheel main body 7 is mounted at a position above the mounting block 6 during use, then the movable rod 5 is moved to enable the back wheel main body 7 to, thereby leading the backrest wheel main body 7 to be completely extruded and fixed without multi-step fixing operation, a second screw 8 is inserted in the center of the fixed block 1 through threads, the second screw 8 moves up and down along the fixed block 1 through rotation, horizontal rods 9 are horizontally welded and fixed at the two sides of the upper end of the second screw 8, the horizontal rods 9 are convenient to rotate the second screw 8, anti-skid lines are encircled at the outer side end position of the horizontal rods 9, an extrusion block 10 is movably sleeved at the lower end position of the second screw 8, the extrusion block 10 rotates around the second screw 8, a groove body 11 is horizontally arranged at the two sides of the inner part of the extrusion block 10, a third screw 12 is arranged at the inner part of the groove body 11 through a thread winding machine, the third screw 12 moves left and right along the inner part of the groove body 11 through rotation, an operation block 13 is welded and fixed at the side end position of the third screw 12 far away from the extrusion, when in use, the extension length of the third screw 12 is adjusted by rotating the third screw 12, so that the outer end of the third screw 12 can be lapped on the upper surface of a bearing no matter how large the bearing is.

The working principle is as follows: the utility model is used for placing the backrest wheel main body 7 at the position above the mounting block 6, then moving the movable rod 5 to enable the backrest wheel main body 7 to be extruded and fixed by the movable rod 5, then rotating the spacing ring 4 to enable the spacing ring 4 to extrude the movable rod 5, thereby enabling the backrest wheel main body 7 to be completely extruded and fixed without multi-step fixing operation, and enabling the central position of the backrest wheel main body 7 to be approximately aligned with the central position of the extrusion block 10 when in fixing, then a user rotates the second screw 8 through the horizontal rod 9 to enable the second screw 8 to move downwards, thereby enabling the extrusion block 10 to extrude the internal bearing of the backrest wheel main body 7 downwards, and continuously rotates until the internal bearing of the backrest wheel main body 7 is extruded, thereby completing the disassembly work, and when in use, the extension length of the third screw 12 is adjusted through rotating the third screw 12, thereby enabling no matter how large the bearing, the outer side end of the third screw 12 can be lapped on the upper surface of the bearing, so that the extrusion work is facilitated, the application range of the device is greatly enlarged, and the device has the advantages of simple structure, convenience in use and good application effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a back wheel extracting tool, includes fixed block (1), its characterized in that: the two side ends of the fixed block (1) are horizontally and fixedly provided with a first screw (2), a limiting block (3) is fixedly arranged at one side end of the first screw rod (2) far away from the fixed block (1), a movable rod (5) is movably sleeved at the outer side end of the first screw rod (2), a mounting block (6) is fixedly arranged at the inner side end position of the movable rod (5), a backrest wheel main body (7) is arranged at the upper end position of the mounting block (6), a second screw rod (8) is inserted in the center of the fixed block (1), horizontal rods (9) are horizontally and fixedly arranged at the two sides of the upper end of the second screw rod (8), an extrusion block (10) is movably sleeved at the lower end of the second screw rod (8), two side ends of the interior of the extrusion block (10) are horizontally provided with groove bodies (11), and a third screw (12) is arranged in the groove body (11) in a winding manner.

2. The caster removal tool of claim 1, wherein: the lower end of the movable rod (5) is fixedly provided with a supporting block.

3. The caster removal tool of claim 1, wherein: and anti-skid grains are arranged at the outer side end of the horizontal rod (9) in a surrounding manner.

4. The caster removal tool of claim 1, wherein: and a limiting ring (4) is sleeved at the outer side end of the first screw rod (2).

5. The caster removal tool of claim 1, wherein: an operation block (13) is fixedly arranged at one side end of the third screw rod (12) far away from the extrusion block (10).