Oil seal drawing tool

Abstract

The utility model provides an oil seal pulling tool, comprising: a chassis, a plurality of through grooves are provided inside the chassis; a hydraulic rod, the hydraulic rod is arranged on the top of the chassis; a plurality of mounting rods, the plurality of mounting rods are all arranged on the top of the chassis, a first threaded rod is fixedly installed on the bottom of the plurality of mounting rods, the first threaded rod is arranged on the inner side of the through groove, a nut is threadedly connected to the outer side of the first threaded rod, and a second threaded rod is fixedly installed on the top of the plurality of mounting rods. The utility model provides an oil seal pulling tool, which cooperates with each other through structures such as a chassis, a through groove, a hydraulic rod, a connecting piece, a mounting rod, a first threaded rod, a second threaded rod, a nut and an arc-shaped clamping plate. When in use, the arc-shaped clamping plate is clamped on the inner side of the grooves on both sides of the oil seal, and then pushed by the hydraulic rod, so that the oil seal can be pulled out from the inner side of the end cover. The operation is convenient and quick, and it is convenient for users to use.

Description

Technical Field

[0001] The utility model relates to the technical field of oil seal disassembly work, in particular to an oil seal drawing tool. Background Art

[0002] As an important power source widely used in various equipment, the normal operation of the motor is crucial, and the motor end cover bearing is one of the key components to ensure the smooth operation of the motor.

[0003] When maintaining the motor, the motor end cover bearing needs to be disassembled. However, in order to ensure the normal use of the motor end cover bearing and prevent dust from invading, an oil seal will be installed on one side of the end cover bearing. Therefore, before disassembling the bearing, the oil seal needs to be disassembled. Since the oil seal and the end cover are installed with interference fit, it is difficult for the user to disassemble.

[0004] Therefore, it is necessary to provide an oil seal drawing tool to solve the above technical problems. Utility Model Content

[0005] The utility model provides an oil seal drawing tool, which solves the problem that it is difficult to disassemble the end cover oil seal.

[0006] In order to solve the above technical problems, the utility model provides an oil seal drawing tool, comprising:

[0007] A chassis, wherein a plurality of through grooves are formed inside the chassis;

[0008] A hydraulic rod, wherein the hydraulic rod is arranged on the top of the chassis;

[0009] A plurality of mounting rods, each of which is disposed on the top of the chassis, each of which is fixedly mounted with a first threaded rod at its bottom, the first threaded rod being disposed on the inner side of the through slot, a nut being threadedly connected to the outer side of the first threaded rod, and each of which is fixedly mounted with a second threaded rod at its top;

[0010] Two arc-shaped clamping plates are respectively arranged on the top of the plurality of mounting rods, a plurality of threaded holes are opened inside the two arc-shaped clamping plates, and the second threaded rod is threadedly connected to the inner side surface of the threaded hole.

[0011] Preferably, the nut is arranged at the bottom of the chassis.

[0012] Preferably, outer side surfaces of two adjacent mounting rods are sleeved with connecting blocks.

[0013] Preferably, a guide rod is fixedly mounted on the bottom of the hydraulic rod, the guide rod is arranged inside the chassis, and a connecting piece is fixedly mounted on one side of the hydraulic rod.

[0014] Preferably, the arc-shaped clamping plate has a threaded ring fixedly installed inside, the inner side surface of the threaded ring is threadedly connected with a screw rod, and a gear rod is fixedly installed at one end of the screw rod.

[0015] Preferably, a rotating plate is fixedly mounted on the other end of the screw rod.

[0016] Preferably, the outer side surface of the gear lever is covered with a rubber sleeve.

[0017] Compared with the related art, the oil seal drawing tool provided by the utility model has the following beneficial effects:

[0018] The utility model provides an oil seal drawing tool, which cooperates with each other through structures such as a chassis, a through groove, a hydraulic rod, a connecting piece, a mounting rod, a first threaded rod, a second threaded rod, a nut and an arc-shaped clamping plate. When in use, the arc-shaped clamping plate is clamped on the inner side surfaces of the grooves on both sides of the oil seal, and then pushed by the hydraulic rod, so that the oil seal can be drawn out from the inner side surface of the end cover. The operation is convenient and quick, and the user is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A structural schematic diagram of a first embodiment of an oil seal drawing tool provided by the utility model;

[0020] Figure 2 for Figure 1 The schematic diagram of the side structure of the hydraulic rod shown;

[0021] Figure 3 A schematic structural diagram of a second embodiment of an oil seal drawing tool provided by the utility model;

[0022] Figure 4 The present invention is a schematic structural diagram of a third embodiment of an oil seal drawing tool provided by the present invention.

[0023] Numbers in the figure: 1, chassis, 11, through groove, 2, hydraulic rod, 21, guide rod, 22, connecting piece, 3, mounting rod, 31, first threaded rod, 32, second threaded rod, 33, connecting block, 34, nut, 4, arc-shaped clamping plate, 41, threaded hole, 5, threaded ring, 51, screw rod, 52, rotating plate, 53, gear lever, 6, rubber sleeve. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0025] First embodiment

[0026] Please refer to Figure 1 , Figure 2,in, Figure 1 A structural schematic diagram of a first embodiment of an oil seal drawing tool provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the hydraulic rod side structure is shown. An oil seal drawing tool comprises: a chassis 1, wherein a plurality of through grooves 11 are formed inside the chassis 1;

[0027] A hydraulic rod 2, wherein the hydraulic rod 2 is arranged on the top of the chassis 1;

[0028] A plurality of mounting rods 3, wherein the plurality of mounting rods 3 are all arranged on the top of the chassis 1, a first threaded rod 31 is fixedly installed on the bottom of the plurality of mounting rods 3, the first threaded rod 31 is arranged on the inner side of the through slot 11, a nut 34 is threadedly connected to the outer side of the first threaded rod 31, and a second threaded rod 32 is fixedly installed on the top of the plurality of mounting rods 3;

[0029] Two arc-shaped clamping plates 4 are respectively arranged on the top of the plurality of mounting rods 3 , and a plurality of threaded holes 41 are opened inside the two arc-shaped clamping plates 4 , and the second threaded rod 32 is threadedly connected to the inner side surface of the threaded hole 32 .

[0030] The nut 34 is disposed at the bottom of the chassis 1 .

[0031] The outer sides of two adjacent mounting rods 3 are sleeved with connecting blocks 33 .

[0032] A guide rod 21 is fixedly installed at the bottom of the hydraulic rod 2 , and the guide rod 21 is arranged inside the chassis 1 . A connecting piece 22 is fixedly installed at one side of the hydraulic rod 2 .

[0033] By inserting the guide rod 21 into the inner side of the chassis 1, the hydraulic rod 2 can be limited to prevent the hydraulic rod 2 from sliding on the chassis 1, thereby increasing stability;

[0034] By installing the connecting block 33 on the mounting rod 3 mounted on the two arc-shaped clamping plates 4, the two arc-shaped clamping plates 4 can be limited to avoid separation.

[0035] The working principle of an oil seal drawing tool provided by the utility model is as follows:

[0036] When in use, the two arc-shaped clamping plates 4 are respectively clamped on both sides of the oil seal, and then the multiple mounting rods 3 are respectively threadedly connected to the threaded holes 32 through the second threaded rod 32 and installed on the two arc-shaped clamping plates 4, and the mounting rods 3 connected by the two connecting blocks 33 are respectively installed on the two arc-shaped clamping plates 4. Then the user sleeves the chassis 1 on the outer side of the first threaded rod 31 through the through groove 11, and then threads the nut 34 on the outer side of the first threaded rod 31, and makes the nut 34 at the bottom of the chassis 1, and then the moving end of the hydraulic rod 2 is against the motor main shaft, and then the other end of the hydraulic rod 2 is against the chassis 1, so as to pull the oil seal out from the top of the end cover, and then disassemble the oil seal.

[0037] Compared with the related art, the oil seal drawing tool provided by the utility model has the following beneficial effects:

[0038] The chassis 1, the through groove 11, the hydraulic rod 2, the connecting piece 22, the mounting rod 3, the first threaded rod 31, the second threaded rod 32, the nut 34 and the arc-shaped clamping plate 4 cooperate with each other. When in use, the arc-shaped clamping plate 4 is clamped on the inner side surfaces of the grooves on both sides of the oil seal, and then pushed by the hydraulic rod 2, so that the oil seal can be pulled out from the inner side surface of the end cover. The operation is convenient and quick, and the user is convenient to use.

[0039] Second embodiment

[0040] Please refer to Figure 3 Based on the oil seal drawing tool provided in the first embodiment of the present application, the second embodiment of the present application provides another oil seal drawing tool. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0041] Specifically, the difference of the oil seal drawing tool provided in the second embodiment of the present application is that, in an oil seal drawing tool, the arc-shaped clamping plate 4 has a threaded ring 5 fixedly installed inside the arc-shaped clamping plate 4, the inner side surface of the threaded ring 5 is threadedly connected with a screw rod 51, and a gear rod 53 is fixedly installed at one end of the screw rod 51.

[0042] A rotating plate 52 is fixedly mounted on the other end of the screw rod 51 .

[0043] The working principle of an oil seal drawing tool provided by the utility model is as follows:

[0044] When in use, the arc-shaped clamping plate 4 is moved to the outer side of the oil seal, and then the user rotates the rotating plate 52, so that the rotating plate 52 drives the screw rod 51 to rotate, so that the screw rod 51 is threadedly connected to the inner side of the thread ring 5, so that the screw rod 51 drives the shift rod 53 to move, and then one end of the screw rod 51 is inserted into the inner side of the oil seal groove, and then the oil seal is disassembled.

[0045] Compared with the related art, the oil seal drawing tool provided by the utility model has the following beneficial effects:

[0046] By means of the cooperation of structures such as the threaded ring 5, the screw rod 51, the rotating plate 52 and the shift rod 53, the rotating plate 52 is rotated during use to drive the screw rod 51 to be threadedly connected to the inner side of the threaded ring 5, so that the shift rod 53 can be pressed against the inner side of the groove of the oil seal. In this way, oil seals of different sizes can be adjusted during use, thereby increasing the adaptability of the device.

[0047] Third embodiment

[0048] Please refer to Figure 4 Based on the oil seal drawing tool provided in the first embodiment of the present application, the third embodiment of the present application provides another oil seal drawing tool. The third embodiment is only a preferred embodiment of the first embodiment, and the implementation of the third embodiment will not affect the independent implementation of the first embodiment.

[0049] Specifically, the difference of the oil seal pulling tool provided in the third embodiment of the present application is that, in the oil seal pulling tool, the outer side surface of the shift rod 53 is provided with a rubber sleeve 6.

[0050] The working principle of an oil seal drawing tool provided by the utility model is as follows:

[0051] When in use, the rubber sleeve 6 is sleeved on the outer side of the shift rod 53 so that the rubber sleeve 6 is in contact with the groove on the outer side of the oil seal.

[0052] Compared with the related art, the oil seal drawing tool provided by the utility model has the following beneficial effects:

[0053] By sleeve-mounting the rubber sleeve 6 on the outer side of the shift rod 53, the rubber sleeve 6 is brought into contact with the oil seal when in use, thereby preventing the shift rod 53 from directly contacting the oil seal, thereby protecting the oil seal.

[0054] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An oil seal drawing tool, characterized in that: include: A chassis, wherein a plurality of through grooves are formed inside the chassis; A hydraulic rod, wherein the hydraulic rod is arranged on the top of the chassis; A plurality of mounting rods, each of which is disposed on the top of the chassis, each of which is fixedly mounted with a first threaded rod at its bottom, the first threaded rod being disposed on the inner side of the through slot, a nut being threadedly connected to the outer side of the first threaded rod, and each of which is fixedly mounted with a second threaded rod at its top; Two arc-shaped clamping plates are respectively arranged on the top of the plurality of mounting rods, a plurality of threaded holes are opened inside the two arc-shaped clamping plates, and the second threaded rod is threadedly connected to the inner side surface of the threaded hole.

2. The oil seal drawing tool according to claim 1, characterized in that: The nut is arranged at the bottom of the chassis.

3. The oil seal drawing tool according to claim 2, characterized in that: The outer side surfaces of two adjacent mounting rods are sleeved with connecting blocks.

4. The oil seal drawing tool according to claim 3, characterized in that: A guide rod is fixedly installed at the bottom of the hydraulic rod, and the guide rod is arranged inside the chassis. A connecting piece is fixedly installed at one side of the hydraulic rod.

5. The oil seal drawing tool according to claim 1, characterized in that: The arc-shaped clamping plate has a threaded ring fixedly installed inside the arc-shaped clamping plate, the inner side surface of the threaded ring is threadedly connected with a screw rod, and a gear rod is fixedly installed at one end of the screw rod.

6. The oil seal drawing tool according to claim 5, characterized in that: A rotating plate is fixedly mounted on the other end of the screw rod.

7. The oil seal drawing tool according to claim 6, characterized in that: The outer side surface of the gear lever is sleeved with a rubber sleeve.

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