Dismounting device for engine oil filter

By designing the inclined surface fit between the rotating component and the clamping component and the motor drive, the problems of easy damage and specification incompatibility of existing oil filter removal tools are solved, achieving efficient disassembly and reduced maintenance costs.

CN223917835UActive Publication Date: 2026-02-17HAINAN ZHUOCHUANG HEYIN IND CO LTD
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Patent Information

Application Number
CN202520359445.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-02-17
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

Existing oil filter removal tools are prone to damaging the oil filter, and the one-to-one matching of specifications leads to low disassembly efficiency and high maintenance costs.

Method used

An oil filter removal device including a rotating component and a clamping component was designed. The horizontal self-locking of the clamp is achieved by the cooperation of the inclined surface of the clamp and the ramp of the nut. Combined with motor drive and speed reduction transmission, the operation is simplified and it can be adapted to different specifications of oil filters.

Benefits of technology

It improves the efficiency and applicability of oil filter removal, reduces maintenance costs, and has a simple structure and is easy to operate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an engine oil filter dismounting device, which comprises a rotating assembly and a clamping assembly, the rotating assembly comprises a fixed seat and a rotating shaft, the rotating shaft is rotatably connected to the fixed seat, the clamping assembly comprises a claw disc, a clamping claw, a guide rail, a sliding block, a tension spring and a nut, the claw disc is connected to the rotating shaft, and the clamping claw is connected to the rotating shaft. The guide rail is installed on the claw disc, the guide rail is matched with the sliding block, the clamping claw is installed on the sliding block, one end of the tension spring is connected to the clamping claw, the other end of the tension spring is connected to the claw disc, the rotating shaft is provided with a threaded section matched with the nut through threads, the clamping claw is provided with an inclined face, and the nut is connected with the clamping claw. The clamping jaw is driven by the nut to tightly hold the engine oil filter, self-locking in the horizontal direction is achieved, the problem that the clamping jaw is loose and not tight is solved, the rotating shaft drives the clamping jaw to rotate to detach the engine oil filter, the structure is ingenious, application is easy, detaching efficiency is high, engine oil filters of different specifications can be applied, and maintenance cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oil filter gasket dismantling technical field, especially a kind of oil filter gasket dismantling device. BACKGROUND

[0002] With the rapid development of China's economy, cars have entered ordinary families, and car maintenance is an important project of car repair. Domestic cars are maintained twice a year on average, and the most common one is to replace oil and oil filter gasket. The most widely used tool for disassembling oil filter gasket is a cap type oil filter gasket wrench, which can easily damage the oil filter gasket, making it difficult to disassemble. Moreover, its specifications are one-to-one, and one wrench can only disassemble one oil filter gasket. Therefore, when using this wrench, you need to find the corresponding bowl cap, which not only wastes a lot of time for maintenance technicians, but also reduces disassembly efficiency and increases maintenance costs. SUMMARY

[0003] In view of the above prior art, the utility model provides an oil filter gasket dismounting device, which mainly solves the above technical problems.

[0004] To achieve the above purpose, the technical scheme of the utility model embodiment is as follows:

[0005] An oil filter gasket dismounting device includes a rotating assembly and a clamping assembly. The rotating assembly includes a fixed seat and a rotating shaft, and the rotating shaft is rotatably connected to the fixed seat. The clamping assembly includes a claw disc, a clamping claw, a guide rail, a sliding block, a tension spring and a nut. The claw disc is connected to the rotating shaft, the guide rail is installed on the claw disc, the guide rail is matched with the sliding block, the clamping claw is installed on the sliding block, one end of the tension spring is connected to the clamping claw, and the other end is connected to the claw disc. The rotating shaft is provided with a threaded segment matched with the nut through threads. The clamping claw is provided with an inclined surface, and the nut is provided with an inclined slope matched with the inclined surface.

[0006] Further, the fixed seat is provided with a motor, the output end of the motor is provided with a first gear, the fixed seat is rotatably connected with a second gear engaged with the first gear, the second gear is coaxially provided with a first sprocket above, and the rotating shaft is provided with a second sprocket. The first sprocket and the second sprocket are driven by a chain.

[0007] Further, the clamping claw is provided with a gasket, and the gasket is made of silica gel.

[0008] Further, the fixed seat is provided with a protective cover.

[0009] Further, it further includes a handle, and the fixed seat is hingedly connected to the handle.

[0010] Further, the handle is provided with a rubber handle sleeve.

[0011] Further, the fixed seat is provided with a locking bolt, which is used for fixing the handle.

[0012] Further, the fixed seat is provided with a slot hole, and the motor is installed in the slot hole.

[0013] The utility model discloses the beneficial effect lies in: the clamping assembly is sleeved into the oil filter, and the screw cap is twisted down to extrude the claw and move inwards and hold the oil filter, rotates the rotating shaft and drives the clamping assembly to rotate and removes the oil filter, and the screw cap moves downwards and extrudes the claw along the rotating shaft rotation and holds the oil filter to the center of the rotating shaft and moves horizontally, as to the stress aspect, the claw is subjected to the reaction force of the oil filter horizontally outward at this time, and when the reaction force acts on the screw cap, it is also horizontally outward, cannot make the screw cap rotate upwards, realizes the claw horizontal direction self -locking, and the screw cap drives the claw and holds the oil filter, realizes the claw horizontal direction self -locking, avoids the problem that the claw is loose and does not hold tightly, and the rotating shaft drives the claw to rotate and removes the oil filter, clever structure, simple application, high dismounting efficiency, can be applied to different specifications of oil filter, and reduces maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of an oil filter dismounting device in the embodiment of the application;

[0015] Figure 2 It is a structure schematic view of an oil filter dismounting device in the embodiment of the application;

[0016] Figure 3 It is a structure schematic view of a rotating assembly and a clamping assembly in the embodiment of the application;

[0017] Figure 4 It is a structure schematic view of a rotating assembly and a clamping assembly in the embodiment of the application;

[0018] Figure 5 It is a sectional view of a rotating assembly and a clamping assembly in the embodiment of the application;

[0019] Figure 6 It is a bottom view of a rotating assembly and a clamping assembly in the embodiment of the application;

[0020] Figure 7 It is a structure schematic view of a claw in the embodiment of the application;

[0021] EXPLANATION OF DRAWINGS:

[0022] 1, rotating assembly; 2, clamping assembly; 3, fixed seat; 4, rotating shaft; 5, claw disc; 6, clamping claw; 7, guide rail; 8, sliding block; 9, tension spring; 10, nut; 11, threaded section; 12, inclined surface; 13, slope; 14, motor; 15, first gear; 16, second gear; 17, first sprocket; 18, second sprocket; 19, chain; 20, gasket; 21, protective cover; 22, handle; 23, rubber handle sleeve; 24, locking bolt; 25, slot; 26, oil drain. DETAILED DESCRIPTION

[0023] The technical scheme of the present application will be further described in detail below in combination with the drawings of the accompanying drawings and specific embodiments. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. In the following description, the expression "some embodiments" describes a subset of all possible embodiments, but it should be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with each other without conflict.

[0024] It should be further noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "inner", "outer", "left", "right", and similar expressions used herein are for the purpose of illustration only and are not intended to be the only implementation.

[0025] Embodiment 1

[0026] Referring to the accompanying drawings Figures 1-7The application provides a device for dismounting oil pan, which comprises a rotating assembly 1 and a clamping assembly 2, the clamping assembly 2 is used for clamping the oil pan 26, the rotating assembly 1 is used for rotating the device clamping assembly 2 to dismount the oil pan 26, the rotating assembly 1 comprises a fixed seat 3 and a rotating shaft 4, the rotating shaft 4 is rotatably connected to the fixed seat 3, the clamping assembly 2 comprises a claw disc 5, a clamping claw 6, a guide rail 7, a sliding block 8, a tension spring 9 and a nut 10, the claw disc 5 is fixedly connected to the rotating shaft 4, the guide rail 7 is installed on the claw disc 5, the sliding block 8 is installed on the guide rail 7 in a matched mode, the sliding block 8 can slide on the guide rail 7, the clamping claw 6 is installed on the sliding block 8, the number of the clamping claw 6 is five, which can also be three, four or more, one end of the tension spring 9 is fixedly connected to the clamping claw 6, the other end of the tension spring 9 is fixedly connected to the claw disc 5, the rotating shaft 4 is provided with a threaded section 11 which is threadedly connected with the nut 10, the nut 10 is installed on the threaded section 11, the clamping claw 6 is provided with an inclined surface 12, the nut 10 is provided with an inclined slope 13 which is matched with the inclined surface 12, in normal state, the tension spring 9 pulls the clamping claw 6 to avoid the clamping claw 6 from falling off, and the initial state of the clamping claw 6 is maintained (i.e. the state when the oil pan 26 is not dismounted), so that the circle surrounded by the five clamping claws 6 is larger than the oil pan 26, and the oil pan 26 can be sleeved, when the oil pan 26 is dismounted, the nut 10 needs to be screwed downward, the inclined slope 13 of the nut 10 is matched with the inclined surface 12 to fold the clamping claw 6 to the center of the rotating shaft 4 to clamp the oil pan 26, after the nut 10 is screwed upward to reset, the clamping claw 6 returns to the initial state under the pulling force of the tension spring 9, during work, the clamping assembly 2 is sleeved into the oil pan 26, the nut 10 is screwed downward to press the clamping claw 6 to move inward, so that the clamping claw 6 tightly holds the oil pan 26, the rotating shaft 4 is rotated to drive the clamping assembly 2 to rotate and dismount the oil pan 26, the nut 10 is moved downward along the rotating shaft 4 to horizontally move the clamping claw 6 to the center of the rotating shaft 4 to tightly hold the oil pan 26, as to the stress aspect, the clamping claw 6 is subjected to the reaction force of the oil pan 26 horizontally outward, the reaction force is also horizontally outward on the nut 10, so that the nut 10 cannot be rotated upward, the horizontal self-locking is realized, the clamping claw 6 is prevented from loosening to cause the clamping to be not tight, the device is ingenious in structure and simple in application, the dismounting efficiency is improved, and different specifications of the oil pan 26 can be applied to reduce the maintenance cost.

[0027] Preferably, the fixed seat 3 is provided with a motor 14, the output end of the motor 14 is provided with a first gear 15, the fixed seat 3 is rotatably connected with a second gear 16 engaged with the first gear 15, the second gear 16 is larger than the first gear 15, achieving one-stage speed reduction and increasing distance, the first sprocket 17 is coaxially and fixedly arranged above the second gear 16, the rotating shaft 4 is provided with a second sprocket 18, the second sprocket 18 is mounted on the rotating shaft 4, the first sprocket 17 and the second sprocket 18 are driven by a chain 19, the second sprocket 18 is larger than the first sprocket 17, achieving two-stage speed reduction and increasing distance, the motor 14 drives the first gear 15 to rotate, drives the second gear 16 to rotate, and then drives the first sprocket 17 to rotate, the second sprocket 18 is driven to rotate by the chain 19, achieving driving the rotating shaft 4 to rotate and driving the clamping assembly 2 to disassemble the oil screen 26, the two-stage speed reduction transmission increases the torque, saves labor and has simple structure.

[0028] Preferably, the clamping jaw 6 is provided with a gasket 20, the gasket 20 is made of silica gel, the silica gel gasket 20 is soft, so that the clamping jaw 6 can clamp the oil screen 26 more tightly, and the contact friction force is also increased to avoid slipping.

[0029] Preferably, the fixed seat 3 is provided with a protective cover 21, the protective cover 21 is mounted on the fixed seat 3 and used for protecting transmission parts, avoiding dust falling and rusting, and also preventing hand clamping.

[0030] Embodiment 2

[0031] Referring to the accompanying drawings Figures 1-7 , the difference between this embodiment and embodiment 1 is that a handle 22 is further included, the fixed seat 3 is hinged to the handle 22, the handle 22 facilitates an operator to hold and operate, and the fixed seat 3 is hinged to the handle 22, facilitating adjustment of the angle of the clamping jaw 6 and improving the convenience of operation.

[0032] Preferably, the handle 22 is provided with a rubber sleeve 23, the rubber sleeve 23 is detachably sleeved on the handle 22, facilitating hand holding, preventing slipping, sticking to oil dirt and facilitating replacement, avoiding oil slipping in next use and affecting operation.

[0033] Preferably, the fixed seat 3 is provided with a locking bolt 24, the locking bolt 24 is used for fixing the handle 22, the locking bolt 24 is loosened during adjustment, and the locking bolt 24 is locked after the angle of the fixed seat 3 is adjusted, so that the operation is simple and the adjustment time is reduced.

[0034] Preferably, the fixing base 3 is provided with a slot hole 25, and the motor 14 is installed in the slot hole 25, so as to protect the motor 14 and avoid the motor 14 from being damaged by collision, and save space and avoid the motor 14 from affecting operation.

[0035] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. The protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An oil filter removal device, characterized in that, The device includes a rotating assembly and a clamping assembly. The rotating assembly includes a fixed base and a rotating shaft, which is rotatably connected to the fixed base. The clamping assembly includes a jaw disc, grippers, a guide rail, a slider, a tension spring, and a nut. The jaw disc is connected to the rotating shaft, the guide rail is mounted on the jaw disc, and the slider is fitted onto the guide rail. The grippers are mounted on the slider. One end of the tension spring is connected to the grippers, and the other end is connected to the jaw disc. The rotating shaft has a threaded section that engages with the nut. The grippers have an inclined surface, and the nut has a ramp that engages with the inclined surface.

2. The oil filter removal device according to claim 1, characterized in that, The fixed base is equipped with a motor, the output end of the motor is equipped with a first gear, a second gear that meshes with the first gear is rotatably connected to the fixed base, a first sprocket is coaxially provided above the second gear, and a second sprocket is provided on the rotating shaft. The first sprocket and the second sprocket are driven by a chain.

3. The oil filter removal device according to claim 1, characterized in that, The gripper is equipped with a pad, and the pad is made of silicone.

4. The oil filter removal device according to claim 2, characterized in that, The mounting base is equipped with a protective cover.

5. The oil filter removal device according to claim 1, characterized in that, It also includes a grip, to which the mounting base is hinged.

6. The oil filter removal device according to claim 5, characterized in that, The grip is equipped with a rubber grip sleeve.

7. The oil filter removal device according to claim 5, characterized in that, The mounting base is equipped with a locking bolt, which is used to secure the grip.

8. The oil filter removal device according to claim 2, characterized in that, The mounting base has a slot, and the motor is installed in the slot.