Oil seal dismounting tool

Abstract

The utility model discloses an oil seal dismounting tool, and belongs to the technical field of dismounting tools for parts in engineering machinery. The oil seal dismounting tool comprises a supporting assembly and a hooking assembly. The supporting assembly comprises a first supporting rod, a transverse block, a plastic cushion block and a second supporting rod, the upper end of the first supporting rod is fixed to the lower surface of the transverse block, during use, after adjustment, the hook head is held, the nut is rotated, the side surface of the nut extrudes the outer wall of the hollow column, so that the connecting rod is fixed in the hollow column, the second supporting rod is moved, and the hook head and the nut are fixed. The hook head is erected in the first through hole, namely, the first rod body, the U-shaped rod, the second rod body, the connecting rod and the transverse block form a triangular structure, an operator holds the first rod body and the second rod body by hand and uses the hook head to detach the oil seal from the engine, and the detaching tool can conveniently adjust the distance between the hook head and the hollow column according to the distance between the hook head and the oil seal; the hook head does not need to be replaced, and the applicability is higher.

Description

Technical Field

[0001] The present application belongs to the technical field of disassembly tools for parts in engineering machinery, and more specifically, relates to an oil seal disassembly tool. Background Art

[0002] Oil seal is the name of the seal, which is simply the seal of lubricating oil. It is a mechanical component used to seal grease (oil is the most common liquid substance in the transmission system, and also refers to general liquid substances). It isolates the parts that need lubrication from the output parts in the transmission parts to prevent the lubricating oil from leaking. The seals used for static seals and dynamic seals (generally reciprocating motion) are called oil seals, and oil seals are indispensable parts on the engine.

[0003] The oil seal disassembly tool in the related art is composed of a plastic pad, a cross block, a support rod, an inclined rod and a hook head. The support rod and the plastic pad are fixed on the cross block, the inclined rod is rotatably set on the support rod, and the hook head is fixed on the inclined rod. After the plastic pad is placed against the engine, it is necessary to select a suitable hook head according to the distance between the hook head and the oil seal before the oil seal can be disassembled, and the applicability is poor. Summary of the invention

[0004] In order to solve the defects existing in the above-mentioned technology, the present application provides an oil seal removal tool, the essence of which is to improve the problem of poor applicability that after the plastic pad is placed on the engine, a suitable hook head needs to be selected according to the distance between the hook head and the oil seal before the oil seal can be removed.

[0005] To achieve the above objectives, the technical solution of this application is as follows:

[0006] An oil seal removal tool comprises a supporting assembly and a hooking assembly.

[0007] The support assembly includes: a first support rod, a cross block, a plastic pad and a second support rod, the upper end of the first support rod is fixed on the lower surface of the cross block, the plastic pad is fixed on the upper surface of the cross block, and the second support rod is rotatably arranged on the first support rod.

[0008] The hooking assembly includes a length adjusting portion and a hook head, and the length adjusting portion is arranged between the second supporting rod and the hook head.

[0009] In the above implementation process, the first support rod includes a first rod body and a U-shaped rod, the upper end of the U-shaped rod is fixed to the lower end of the first rod body, and the second support rod is rotatably arranged on the U-shaped rod.

[0010] In the above implementation process, a first through hole is opened on the horizontal block, and the hook head is clamped in the first through hole.

[0011] In the above implementation process, the second support rod includes a second rod body and a connecting shaft, one end of the connecting shaft is fixed to the outer wall of the second rod body, and the connecting shaft is rotatably arranged on the U-shaped rod.

[0012] In the above implementation process, the length adjustment part includes a hollow column, a connecting rod, a threaded rod and a nut. The lower end of the hollow column is fixed to the upper end of the second rod body, the upper end of the connecting rod is fixed to the lower end of the hook head, the connecting rod is slidably inserted in the hollow column, one end of the threaded rod is fixed to the outer wall of the connecting rod, the threaded rod passes through the hollow column, and the nut is threadedly sleeved on the threaded rod.

[0013] In the above implementation process, a second through hole is opened on the hollow column, and the threaded rod passes through the second through hole.

[0014] In the above implementation process, the hooking assembly also includes a guide sleeve, the guide sleeve is fixed in the hollow column, and the connecting rod slides through the guide sleeve.

[0015] In the above implementation process, the hooking assembly also includes a joystick, one end of which is fixed to the outer wall of the nut.

[0016] Compared with the prior art, this application has the following advantages:

[0017] When in use, place the plastic pad against the engine, move the hook head according to the distance between the hook head and the oil seal, control the depth of the end of the connecting rod in the hollow column, and adjust the distance between the lower end of the hook head and the upper end of the hollow column. After adjustment, hold the hook head and rotate the nut. The side surface of the nut squeezes the outer wall of the hollow column to fix the connecting rod in the hollow column. Move the second supporting rod to place the hook head in the first through hole, so that the first rod body, U-shaped rod, second rod body, connecting rod and cross block form a triangular structure. The operator holds the first rod body and the second rod body and uses the hook head to remove the oil seal from the engine. The disassembly tool is convenient for adjusting the distance between the hook head and the hollow column according to the distance between the hook head and the oil seal, that is, there is no need to replace the hook head, and the applicability is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an oil seal removal tool provided in an embodiment of the present application;

[0019] Figure 2 It is a schematic cross-sectional structure diagram of an oil seal removal tool provided in an embodiment of the present application;

[0020] Figure 3 A schematic cross-sectional structure diagram of a hook assembly provided in an embodiment of the present application;

[0021] Figure 4 Provided for the implementation of this application Figure 3 Magnified view of area A.

[0022] In the figure: 100-support assembly, 110-first support rod, 111-first rod body, 112-U-shaped rod, 120-cross block, 130-plastic pad, 140-first through hole, 150-second support rod, 151-second rod body, 152-connecting shaft, 200-hook assembly, 210-length adjustment part, 211-hollow column, 212-connecting rod, 213-second through hole, 214-guide sleeve, 215-threaded rod, 216-nut, 217-operating lever, 220-hook head. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with embodiments.

[0024] It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0025] In the examples, unless otherwise specified, all the means used are conventional means in the art.

[0026] See also Figure 1-Figure 4 The present application provides an oil seal removal tool, including a support assembly 100 and a hook assembly 200. The hook assembly 200 is arranged on the support assembly 100, and the plastic pad 130 is pressed against the engine. According to the distance between the hook head 220 and the oil seal, the hook head 220 is moved to control the depth of the end of the connecting rod 212 in the hollow column 211, so that the distance between the lower end of the hook head 220 and the upper end of the hollow column 211 can be adjusted. After adjustment, the hook head 220 is held, and the nut 216 is rotated. The side surface of the nut 216 squeezes the outer wall of the hollow column 211, so that the connecting rod 212 is fixed in the hollow column 211, and the second support rod 150 is moved to make the hook head 220 is set in the first through hole 140. Even if the first rod body 111, the U-shaped rod 112, the second rod body 151, the connecting rod 212 and the cross block 120 form a triangular structure, the operator holds the first rod body 111 and the second rod body 151 and uses the hook head 220 to remove the oil seal from the engine. The plastic cushion block 130 protects the engine from being scratched by the cross block 120. The disassembly tool is convenient for adjusting the distance between the hook head 220 and the hollow column 211 according to the distance between the hook head 220 and the oil seal, that is, there is no need to replace the hook head 220, and it is more applicable.

[0027] See also Figure 1 and Figure 2The support assembly 100 includes: a first support rod 110, a cross block 120, a plastic cushion block 130, and a second support rod 150. The upper end of the first support rod 110 is fixed on the lower surface of the cross block 120. The first support rod 110 includes a first rod body 111 and a U-shaped rod 112. The upper end of the U-shaped rod 112 is fixed to the lower end of the first rod body 111. The second support rod 150 is rotatably set on the U-shaped rod 112. The U-shaped rod 112 facilitates the second support rod 150 to rotate on the first rod body 111. The plastic cushion block 130 is fixed on the upper surface of the cross block 120. The second support rod 150 is rotatably set on the first support rod 110. The second support rod 150 includes a second rod body 151 and a connecting shaft 152. One end of the connecting shaft 152 is fixed on the outer wall of the second rod body 151. The connecting shaft 152 is rotatably set on the U-shaped rod 112. The connecting shaft 152 facilitates the second rod body 151 to rotate in the U-shaped rod 112.

[0028] See also Figure 1 , Figure 3 and Figure 4 The hook assembly 200 includes a length adjustment portion 210 and a hook head 220. The length adjustment portion 210 is arranged between the second support rod 150 and the hook head 220. The cross block 120 is provided with a first through hole 140. The hook head 220 is clamped in the first through hole 140. The first through hole 140 facilitates the hook head 220 to be placed in the cross block 120. The length adjustment portion 210 includes a hollow column 211, a connecting rod 212, a threaded rod 215 and a nut 216. 16. The lower end of the hollow column 211 is fixed to the upper end of the second rod body 151, the upper end of the connecting rod 212 is fixed to the lower end of the hook head 220, the connecting rod 212 is slidably inserted in the hollow column 211, and the hook assembly 200 also includes a guide sleeve 214, the guide sleeve 214 is fixed in the hollow column 211, the connecting rod 212 slides through the guide sleeve 214, and the guide sleeve 214 allows the connecting rod 212 to move more smoothly in the hollow column 211, and the thread One end of the rod 215 is fixed on the outer wall of the connecting rod 212, and the threaded rod 215 passes through the hollow column 211. A second through hole 213 is provided on the hollow column 211, and the threaded rod 215 passes through the second through hole 213. The second through hole 213 facilitates the movement of the threaded rod 215 on the hollow column 211. The nut 216 is threadedly sleeved on the threaded rod 215. The hooking assembly 200 also includes a joystick 217, one end of which is fixed on the outer wall of the nut 216. The joystick 217 facilitates the rotation of the nut 216, moves the hook head 220, and controls the depth of the end of the connecting rod 212 in the hollow column 211, so as to adjust the distance between the lower end of the hook head 220 and the upper end of the hollow column 211. After adjustment, hold the hook head 220 and rotate the nut 216. The side surface of the nut 216 squeezes the outer wall of the hollow column 211 to fix the connecting rod 212 in the hollow column 211.

[0029] Specifically, the working principle of the oil seal removal tool is as follows: when in use, the plastic cushion block 130 is pressed against the engine, and the hook head 220 is moved according to the distance between the hook head 220 and the oil seal to control the depth of the end of the connecting rod 212 in the hollow column 211, so that the distance between the lower end of the hook head 220 and the upper end of the hollow column 211 can be adjusted. After adjustment, the hook head 220 is held, and the nut 216 is rotated. The side surface of the nut 216 squeezes the outer wall of the hollow column 211, so that the connecting rod 212 is fixed in the hollow column 211, and the second support rod 150 is moved so that the hook head 220 is moved. The head 220 is arranged in the first through hole 140. Even if the first rod body 111, the U-shaped rod 112, the second rod body 151, the connecting rod 212 and the cross block 120 form a triangular structure, the operator holds the first rod body 111 and the second rod body 151 and uses the hook head 220 to remove the oil seal from the engine. The plastic pad 130 protects the engine from being scratched by the cross block 120. The disassembly tool is convenient for adjusting the distance between the hook head 220 and the hollow column 211 according to the distance between the hook head 220 and the oil seal, that is, there is no need to replace the hook head 220, and it is more applicable.

[0030] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they should not be construed as limiting the scope of the patent application.

[0031] It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the scope of protection of the patent of the present application shall be subject to the attached claims.

Claims

1. An oil seal removal tool, characterized in that: include: A support assembly (100), the support assembly (100) comprising: a first support rod (110), a cross block (120), a plastic cushion block (130) and a second support rod (150), the upper end of the first support rod (110) being fixed to the lower surface of the cross block (120), the plastic cushion block (130) being fixed to the upper surface of the cross block (120), and the second support rod (150) being rotatably disposed on the first support rod (110); and A hooking assembly (200), the hooking assembly (200) comprising a length adjusting portion (210) and a hook head (220), wherein the length adjusting portion (210) is arranged between the second supporting rod (150) and the hook head (220).

2. The oil seal removal tool according to claim 1, characterized in that: The first support rod (110) comprises a first rod body (111) and a U-shaped rod (112), the upper end of the U-shaped rod (112) is fixed to the lower end of the first rod body (111), and the second support rod (150) is rotatably arranged on the U-shaped rod (112).

3. The oil seal removal tool according to claim 2, characterized in that: The transverse block (120) is provided with a first through hole (140), and the hook head (220) is clamped in the first through hole (140).

4. The oil seal removal tool according to claim 2, characterized in that: The second support rod (150) comprises a second rod body (151) and a connecting shaft (152), one end of the connecting shaft (152) is fixed on the outer wall of the second rod body (151), and the connecting shaft (152) is rotatably arranged on the U-shaped rod (112).

5. The oil seal removal tool according to claim 4, characterized in that: The length adjustment portion (210) comprises a hollow column (211), a connecting rod (212), a threaded rod (215) and a nut (216); the lower end of the hollow column (211) is fixed to the upper end of the second rod body (151); the upper end of the connecting rod (212) is fixed to the lower end of the hook head (220); the connecting rod (212) is slidably inserted into the hollow column (211); one end of the threaded rod (215) is fixed to the outer wall of the connecting rod (212); the threaded rod (215) passes through the hollow column (211); and the nut (216) is threadedly sleeved on the threaded rod (215).

6. The oil seal removal tool according to claim 5, characterized in that: The hollow column (211) is provided with a second through hole (213), and the threaded rod (215) passes through the second through hole (213).

7. The oil seal removal tool according to claim 5, characterized in that: The hook assembly (200) further comprises a guide sleeve (214), wherein the guide sleeve (214) is fixed in the hollow column (211), and the connecting rod (212) slides through the guide sleeve (214).

8. The oil seal removal tool according to claim 5, characterized in that: The hook assembly (200) further comprises a control rod (217), one end of which is fixed on the outer wall of the nut (216).

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