Disassembling tool for oil damper

Abstract

The utility model discloses a dismounting tool for an oil damper, and belongs to the technical field of tools for dampers. The dismounting tool comprises a handheld part and a wrench head, a connecting piece is arranged on the handheld part, the wrench head comprises a first fixing plate and a second fixing plate, the first fixing plate is fixedly connected with the connecting piece, the second fixing plate is movably connected with the connecting piece, arc-shaped grooves are formed in the opposite sides of the first fixing plate and the second fixing plate, and the two arc-shaped grooves are oppositely arranged; through grooves are formed in the first fixing plate and the second fixing plate, positioning bolts are arranged in the through grooves in a penetrating mode, and the positioning bolts are in sliding fit with the through grooves. The purpose of adjusting the distance between the two positioning bolts is achieved by adjusting the positions of the positioning bolts in the through grooves, adjustment is conducted according to different distances of blind nut holes, and the application range of the device is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the tool technical field for shock absorber more specifically, relate to a kind of oil pressure shock absorber dismounting tool. BACKGROUND

[0002] Oil pressure shock absorber is important damping component on locomotive, vehicle suspension device, is by stretching, compression piston rod reciprocating movement forms hydraulic damping force to reach the purpose of damping, with good damping effect and flexible damping effect, is the key component of improving the stability, safety of locomotive, vehicle high-speed operation.In the daily locomotive repair process, oil pressure shock absorber needs to be disassembled, cleaned, needs to be loosened screw cover with special wrench when disassembling, such as the existing patent CN216067219U provides a kind of locomotive oil pressure shock absorber dismounting wrench, the wrench is composed of working part and lever portion, lever portion is cylindrical steel material, end hand holds part and is processed with grid knurl, prevent skidding when force, the wrench working head of working part is provided with two symmetrical screw holes, which are matched with the four holes on the end cover of oil pressure shock absorber, the screw hole is equipped with positioning bolt, and the maintenance worker realizes the quick, stable dismounting of oil pressure shock absorber screw cover by the wrench, although the wrench has many beneficial effects, but the positioning bolt on the wrench and the wrench opening are fixed, the scope of application is smaller, in view of this, we propose a kind of oil pressure shock absorber dismounting tool. UTILITY MODEL CONTENTS

[0003] The utility model is to provide a kind of oil pressure shock absorber dismounting tool to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of oil pressure shock absorber dismounting tool, including hand holds part and wrench head, hand holds part is provided with connecting piece, wrench head includes first fixed plate and second fixed plate, first fixed plate is connected and fixed with connecting piece, second fixed plate is movably connected with connecting piece, second fixed plate is L-shaped structure, first fixed plate and second fixed plate are oppositely provided with arc slot, two arc slots are oppositely arranged;

[0006] First fixed plate and second fixed plate are all provided with through slot, and positioning bolt is arranged in the through slot, and the positioning bolt is slidably connected with the through slot.

[0007] Preferably, first installation cavity is formed in the connecting piece, nut is arranged in the first installation cavity, one end of the second fixed plate is provided with connecting part, threaded structure is arranged on the connecting part, and the threaded structure is matched with the nut.

[0008] Limiting block is arranged in the first installation cavity, limiting slot is formed in the connecting part, the limiting block extends into the limiting slot, and the limiting block is slidably connected with the limiting slot.

[0009] Preferably, the first mounting cavity comprises a vertical cavity and a horizontal cavity which are in communication with each other, the vertical cavity is perpendicular to the horizontal cavity, the vertical cavity divides the horizontal cavity into two sections, the nut is located in the vertical cavity and extends out of the vertical cavity, and the limiting block is arranged on the inner wall of the horizontal cavity.

[0010] Preferably, a limiting piece is arranged above the first mounting cavity at the top surface of the connecting piece, the outer wall of the nut is annular and is provided with a plurality of convex strips at equal intervals, the inner wall of the limiting piece is provided with grooves matched with the convex strips, and the two ends of the limiting piece are movably connected with the connecting piece.

[0011] Preferably, a mounting seat is arranged on one side of the first mounting cavity at the top surface of the connecting piece, the limiting piece is rotatably connected to the mounting seat, a connecting plate is arranged on the other side of the connecting piece, a bolt is arranged to penetrate through the connecting plate, and a hole matched with the bolt is arranged on the connecting piece.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model adjusts the relative distance between the first fixed plate and the second fixed plate, is used for matching different specifications and sizes of oil pressure shock absorber end cover disassembly, through the use of the limiting piece, when the nut does not need to be rotated, the limiting piece is buckled on the nut, and the limiting piece is connected with the connecting piece through the bolt, the limiting of the nut is realized, through the position of the positioning bolt in the through groove, the purpose that the distance between the two positioning bolts is adjusted is achieved, thereby matching the screw cover hole on the oil pressure shock absorber end cover, adjusting according to the different distance of the screw cover hole, and the application range of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the overall structure schematic diagram of the utility model oil pressure shock absorber dismounting tool;

[0015] Fig. 2 It is the overall structure schematic diagram of the utility model oil pressure shock absorber dismounting tool;

[0016] Fig. 3 It is the connecting piece structure schematic diagram of the utility model.

[0017] Mark explanation in drawing: 1, hand holds part;2, connecting piece;201, first mounting cavity;202, limiting block;3, first fixed plate;4, second fixed plate;401, connecting part;402, limiting groove;5, through groove;6, positioning bolt;7, nut;701, convex strip;8, limiting piece;801, recess;9, bolt. PREFERRED EMBODIMENT

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments.

[0019] Embodiments:

[0020] Please refer to Figs. 1-3 A kind of oil pressure damper dismounting tool, including hand-held part 1 and wrench head, wrench head is used to and the screw cover hole on the end cover of oil pressure damper connects, hand-held hand-held part drives wrench head rotation, hand-held part 1 is provided with connecting piece 2, wrench head includes first fixed plate 3 and second fixed plate 4, first fixed plate 3 is connected and fixed with connecting piece 2, second fixed plate 4 is movably connected with connecting piece 2, the distance between first fixed plate 3 and second fixed plate 4 can be adjusted, to facilitate the use of different specifications of oil pressure damper, second fixed plate 4 is L-shaped structure, first fixed plate 3 and second fixed plate 4 relative side are provided with arc slot, two arc slots are oppositely arranged, to facilitate the use of oil pressure damper;

[0021] First fixed plate 3 and second fixed plate 4 are all provided with through slot 5, through slot 5 is provided with positioning bolt 6, positioning bolt 6 is slidably connected with through slot 5, the position of positioning bolt 6 in through slot 5 can be adjusted, the distance between two positioning bolts 6 is adjusted, so as to match the screw cover hole on the end cover of oil pressure damper, according to the distance of screw cover hole, adjust, improve the application range of the device. Positioning bolt 6 extends the same length on one side of through slot 5, and the threaded portion is locked by a nut, wherein the size of the positioning bolt 6 can be selected to match the size of the screw cover hole on the end cover of the oil pressure damper.

[0022] In the present application, a first mounting cavity 201 is formed in the connecting piece 2, a nut 7 is arranged in the first mounting cavity 201, one end of the second fixed plate 4 is provided with a connecting portion 401, a threaded structure is arranged on the connecting portion 401, and the threaded structure is matched with the nut 7; a limiting block 202 is arranged in the first mounting cavity 201, a limiting groove 402 is formed in the connecting portion 401, the limiting block 202 extends into the limiting groove 402, the limiting block 202 is slidably matched with the limiting groove 402, the movement track of the connecting portion 401 is limited by the cooperation of the limiting block 202 and the limiting groove 402, so that the connecting portion 401 can only move linearly, the connecting portion 401 is linearly moved in the extension direction by rotating the nut 7, thereby adjusting the distance between the first fixed plate 3 and the second fixed plate 4, and matching the screw cover hole on the end cover of the oil pressure damper of different specifications.

[0023] The second mounting cavity is arranged on the other side of the first mounting cavity 201, the hand-held part 1 extends into the second mounting cavity, and the hand-held part 1 is connected and fixed with the connecting piece 2 by bolts.

[0024] In the application, the first mounting cavity 201 comprises a vertical cavity and a horizontal cavity which are communicated with each other, the vertical cavity is perpendicular to the horizontal cavity, the vertical cavity divides the horizontal cavity into two sections, the nut 7 is located in the vertical cavity and extends out of the vertical cavity, so as to facilitate manual rotation of the nut 7, and the limiting block 202 is arranged on the inner wall of the horizontal cavity.

[0025] In the application, the top surface of the connecting piece 2 is provided with the limiting piece 8 above the first mounting cavity 201, the limiting piece 8 is used for limiting the nut 7 to prevent self-rotation of the nut 7, the outer wall of the nut 7 is annular and is provided with a plurality of convex strips 701 at equal intervals, the inner wall of the limiting piece 8 is provided with a groove 801 matched with the convex strips 701, and the two ends of the limiting piece 8 are movably connected with the connecting piece 2. The nut 7 is limited through cooperation of the groove 801 and the convex strip 701.

[0026] In the application, the top surface of the connecting piece 2 is provided with a mounting seat on one side of the first mounting cavity 201, the limiting piece 8 is rotatably connected to the mounting seat, the other side of the connecting piece 2 is provided with a connecting plate, the connecting plate is provided with a bolt 9 penetrating through, and the connecting piece 2 is provided with a hole matched with the bolt 9. When the nut 7 does not need to be rotated, the limiting piece 8 is buckled on the nut 7, and the limiting piece 8 is connected with the connecting piece 2 through the bolt 9. The bolt can also be replaced by a bolt, or a buckle connection can be used.

[0027] In use, the relative position distance between the first fixed plate 3 and the second fixed plate 4 is adjusted according to the size of the oil pressure shock absorber, when adjusting, one end of the limiting piece 8 is lifted, the limiting piece 8 is rotated to one side of the nut 7, and then the nut 7 is rotated. Since the nut 7 is threadedly matched with the connecting part 401 and is matched with the limiting block 202 and the limiting groove 402, rotating the nut 7 can make the connecting part 401 move linearly along the extension direction, so as to adjust the distance between the first fixed plate 3 and the second fixed plate 4, and match the oil pressure shock absorber of different sizes; secondly, the position of the positioning bolt 6 in the through groove 5 can be adjusted to adjust the distance between the two positioning bolts 6, so as to match the screw cover hole on the end cover of the oil pressure shock absorber, and the distance of the screw cover hole is adjusted according to the distance, so as to improve the application range of the device. The positioning bolt 6 extends out of the through groove 5 by the same length, the threaded part is locked by a nut, one end of the positioning bolt 6 extending out of the through groove 5 extends to the screw cover hole, the wrench head is rotated by holding the hand holding part by hand, and the end cover of the shock absorber is disassembled.

[0028] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An oil pressure damper dismounting tool comprising a handgrip (1) and a spanner head, characterized in that: The hand gripping part (1) is provided with a connecting piece (2), the wrench head part comprises a first fixed plate (3) and a second fixed plate (4), the first fixed plate (3) is connected and fixed with the connecting piece (2), the second fixed plate (4) is movably connected with the connecting piece (2), the second fixed plate (4) is L-shaped structure, and arc-shaped grooves are formed in opposite sides of the first fixed plate (3) and the second fixed plate (4); The first fixed plate (3) and the second fixed plate (4) are provided with through grooves (5), and positioning bolts (6) are arranged in the through grooves (5) in a penetrating mode.

2. An oil damper dismounting tool according to claim 1, characterized in that: The connecting piece (2) is provided with a first mounting cavity (201), the first mounting cavity (201) is provided with a nut (7), one end of the second fixed plate (4) is provided with a connecting part (401), the connecting part (401) is provided with a threaded structure, and the threaded structure is matched with the nut (7); The first mounting cavity (201) is provided with a limiting block (202), the connecting part (401) is provided with a limiting groove (402), the limiting block (202) extends into the limiting groove (402), and the limiting block (202) and the limiting groove (402) are matched in a sliding mode.

3. An oil damper dismounting tool according to claim 2, characterized in that: The first mounting cavity (201) comprises a vertical cavity and a horizontal cavity which are communicated with each other, the vertical cavity is perpendicular to the horizontal cavity, the vertical cavity divides the horizontal cavity into two sections, the nut (7) is located in the vertical cavity and extends out of the vertical cavity, and the limiting block (202) is arranged on the inner wall of the horizontal cavity.

4. An oil damper dismounting tool according to claim 3, characterized in that: The top surface of the connecting piece (2) is provided with a limiting piece (8) above the first mounting cavity (201), the outer wall of the nut (7) is annular and is provided with a plurality of convex strips (701) at equal intervals, the inner wall of the limiting piece (8) is provided with a groove (801) matched with the convex strips (701), and the two ends of the limiting piece (8) are movably connected with the connecting piece (2).

5. An oil damper dismounting tool according to claim 4, characterized in that: The top surface of the connecting piece (2) is provided with a mounting seat on one side of the first mounting cavity (201), the limiting piece (8) is rotatably connected to the mounting seat, the other side of the connecting piece (2) is provided with a connecting plate, the connecting plate is provided with a bolt (9) in a penetrating mode, and the connecting piece (2) is provided with a hole matched with the bolt (9).

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