Clamp of filter leak detection device
By designing a fixture for filter leakage detection devices using trapezoidal clamps and elastic devices, the problem of insufficient clamping stability in the prior art is solved, and more efficient filter fixation and airtightness testing are achieved.
Patent Information
- Application Number
- CN202420249841.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-01
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-02-01
AI Technical Summary
The clamping stability of the existing filter leakage detection device is insufficient, making it difficult to effectively fix the filter, affecting the accuracy of the airtightness test.
A fixture is designed for a filter leakage detection device including a main fixture, a secondary fixture and a drive assembly, using trapezoidal clamps and elastic devices to improve clamping stability, and further enhance clamping force and stability through guide rods and anti-slip strips.
Through the combination of trapezoidal clamps and elastic devices, the clamping movable blocks provide additional clamping force when the trapezoidal clamps come into contact with the filter, which significantly improves clamping stability and ensures effective fixation of the filter and reliability of airtightness testing.
Smart Images

Figure CN222609245U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of filter processing equipment, in particular to a clamp of a filter leakage detection device. Background Art
[0002] The existing oil filter is one of the important parts of the engine. Its performance not only determines the reliability and life of the engine, but also has a great impact on the engine's power, economy and emission performance. The air tightness of the oil filter is directly related to the quality of the motor equipment, so the pressure regulation and leak detection of the automobile filter is a very important technical field.
[0003] The existing filter includes a shell and a cover plate, a cavity is provided between the shell and the cover plate, a paper core is provided in the cavity, an oil inlet (oil outlet) is provided on the cover plate, and an oil outlet (oil inlet) is provided at the bottom of the shell. The shell and the cover plate are fixedly connected by screws or processed into a double-layer bite at the connection between the two to ensure the connection strength and sealing performance between the filter cover and the shell, and a mounting screw hole for installation on the car will be provided in the center of the filter. The air tightness test of the filter generally adopts the immersion method, that is, the product filter is first fixed, and then the fixed filter is immersed in water, and then gas is injected into the product filter, and the air tightness of the filter is determined by observing the bubbles on the water surface.
[0004] The application number of the applicant's prior application is: CN202222961173.2 The product transfer clamp for filter leak detection equipment changes the original semicircular clamp to a first V-shaped clamp so that when it clamps a larger filter, the original circular clamping position and the filter's abutment mode becomes intersecting, causing it to change from surface contact to point contact, resulting in unstable clamping. After using the first V-shaped clamp, its abutment mode with the filter will become tangent. In the above technical solution, the clamping stability can be further improved. Summary of the invention
[0005] The technical problem to be solved by the utility model is to provide a clamp for a filter leak detection device in view of the deficiencies of the above-mentioned prior art, so as to further improve the clamping stability.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamp of a filter leak detection device, comprising a main clamp, a sub-clamp and a clamp driving assembly for driving the main clamp and the sub-clamp to move relative to each other, wherein the main clamp is provided with a plurality of clamping movable blocks, each of the clamping movable blocks and the sub-clamp is provided with a trapezoidal clamp, the trapezoidal clamp provided on each sub-clamp corresponds to the trapezoidal clamp setting of a clamping movable block, each of the trapezoidal clamps comprises a bottom surface and inclined surfaces opposite to each other at both ends of the bottom surface, the inclined surfaces of the corresponding trapezoidal clamps between the clamping movable block and the sub-clamp form a clamping position for clamping the filter, and an elastic device is provided between each of the clamping movable blocks and the main clamp.
[0007] A further arrangement of the utility model is that the elastic device includes an elastic member, and each of the clamping movable blocks is provided with a spring mounting groove adapted to the elastic member on the end surface facing the main clamp, one end of the elastic member is inserted into the spring mounting groove, and the other end abuts against the clamping movable block, and when the trapezoidal clamping opening of the clamping movable block abuts against the filter, the clamping movable block is displaced toward the main clamp, and the elastic member is compressed.
[0008] The utility model with the above characteristics: when the trapezoidal clamping jaws clamp the filter, the elastic member of the clamping movable block is compressed to apply an additional force to the filter, so that the clamping stability of the trapezoidal clamping jaws on the filter is further improved.
[0009] A further configuration of the utility model is that a guide device is provided between the clamping movable block and the main clamp.
[0010] A further configuration of the utility model is that the guiding device includes a guiding rod, and a guiding groove adapted to the guiding rod is provided at one end of the bottom surface of the inclined surface of the trapezoidal clamping opening of each clamping movable block corresponding to the main clamp, and a guiding rod is movably inserted in each guiding groove, and the guiding rod is fixedly connected to the clamping movable block.
[0011] The utility model with the above characteristics: the guide rod is used for guiding the clamping movable block when it is displaced, so that the clamping movable block can be displaced more smoothly and prevent jamming.
[0012] A further configuration of the utility model is that an anti-slip strip is detachably provided at the trapezoidal clamping opening, and two ends of the anti-slip strip are fixed to one end of the two inclined surfaces of the trapezoidal clamping opening opposite to the bottom surface by screws and a pressing plate.
[0013] The utility model with the above characteristics: the anti-skid strip is used to prevent slipping when clamping the filter, and the anti-skid strip is fixed by screws and a pressing plate, so that the anti-skid strip can be easily replaced after being worn.
[0014] A further configuration of the utility model is that the clamp driving assembly includes an open clamp cylinder arranged at both ends of the main clamp and the auxiliary clamp, and the output end of the open clamp cylinder is respectively connected to the main clamp and the auxiliary clamp, and drives the main clamp and the auxiliary clamp to move in opposite directions.
[0015] The utility model with the above characteristics: the open clamp cylinder drives the main clamp and the auxiliary clamp to move in the direction of or in the opposite direction to achieve the clamping movable block on the main clamp and the clamping and releasing of the filter by the auxiliary clamp.
[0016] A further configuration of the utility model is that an auxiliary clamp driving assembly is provided between the main clamp and the auxiliary clamp and between the opening clamp cylinders.
[0017] A further configuration of the utility model is that the auxiliary clamp driving assembly includes auxiliary driving cylinders respectively arranged on the main clamp and the auxiliary clamp, the output shafts of the corresponding auxiliary driving cylinders are coaxially connected, and the corresponding auxiliary driving cylinders and the opening clamp cylinders synchronously drive the main clamp and the auxiliary clamp to move in opposite directions.
[0018] The utility model with the above-mentioned characteristics: when the clamp driving assembly works to drive the main clamp and the auxiliary clamp to move synchronously in the same direction or in the opposite direction, the auxiliary driving cylinder works synchronously to drive the main clamp and the auxiliary clamp to move synchronously in the same direction or in the opposite direction. When the main clamp and the auxiliary clamp are longer, the auxiliary driving cylinder provides clamping force for the middle part of the main clamp and the auxiliary clamp.
[0019] The beneficial effect of the utility model is to further improve the clamping stability.
[0020] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 A three-dimensional schematic diagram of an embodiment of the utility model Figure 1 .
[0022] Figure 2 A three-dimensional schematic diagram of an embodiment of the utility model Figure 2 .
[0023] Figure 3 It is a three-dimensional schematic diagram of the main clamp of the embodiment of the utility model.
[0024] Figure 4 It is a three-dimensional schematic diagram of the auxiliary clamp according to an embodiment of the utility model.
[0025] Figure 5 It is a three-dimensional schematic diagram of the clamping movable block according to an embodiment of the utility model. DETAILED DESCRIPTION
[0026] like Figure 1 —— Figure 5 The clamp of a filter leak detection device shown in the figure comprises a main clamp 1, a sub-clamp 2 and a clamp driving assembly for driving the main clamp 1 and the sub-clamp 2 to move relative to each other. The main clamp 1 is provided with a plurality of clamping movable blocks 3, each clamping movable block 3 and the sub-clamp 2 are respectively provided with a trapezoidal clamp 4, and the trapezoidal clamp 4 provided on each sub-clamp 2 is respectively provided corresponding to the trapezoidal clamp 4 of a clamping movable block 3, and each trapezoidal clamp 4 comprises a bottom surface 401 and inclined surfaces 402 arranged opposite to each other at both ends of the bottom surface 401, and the inclined surfaces 402 of the corresponding trapezoidal clamp 4 between the clamping movable block 3 and the sub-clamp 2 form The filter can be clamped at the clamping position, and an elastic device is provided between each clamping movable block 3 and the main clamp 1. The elastic device includes an elastic member 5. Each clamping movable block 3 is provided with a spring installation groove 6 adapted to the elastic member 5 on the end surface facing the main clamp 1. One end of the elastic member 5 is inserted into the spring installation groove 6, and the other end abuts against the clamping movable block 3. When the trapezoidal clamping opening 4 of the clamping movable block 3 abuts against the filter, the clamping movable block 3 is displaced toward the main clamp 1, and the elastic member 5 is compressed. The elastic member 5 can be any elastic object, preferably a spring. A guide device is provided between the main clamp 1 and the auxiliary clamp 2, and the guide device includes a guide rod 7. The main clamp 1 has a guide groove 8 adapted to the guide rod 7 at one end of the inclined surface 402 of the trapezoidal clamp 4 corresponding to each clamping movable block 3 relative to the bottom surface 401. A guide rod 7 is movably inserted in each guide groove 8. The guide rod 7 is fixedly connected to the clamping movable block 3. A detachable anti-slip strip 12 is provided at the trapezoidal clamp 4. The two ends of the anti-slip strip 12 are fixedly arranged at one end of the two inclined surfaces 402 of the trapezoidal clamp 4 relative to the bottom surface 401 by screws and a pressure plate. The clamp driving assembly includes a main clamp 1 and an auxiliary clamp 2 at both ends. An open clamp cylinder 9, the output ends of which are respectively connected to the main clamp 1 and the auxiliary clamp 2, and drive the main clamp 1 and the auxiliary clamp 2 to move in opposite directions. An auxiliary clamp driving assembly is provided between the main clamp 1 and the auxiliary clamp 2, and the auxiliary clamp driving assembly includes auxiliary driving cylinders 10 respectively arranged on the main clamp 1 and the auxiliary clamp 2, and the output shafts 11 of the corresponding auxiliary driving cylinders 10 are coaxially connected, and the corresponding auxiliary driving cylinders 10 and the open clamp cylinder 9 synchronously drive the main clamp 1 and the auxiliary clamp 2 to move in opposite directions.
Claims
1. A clamp for a filter leak detection device, comprising a main clamp, a sub-clamp, and a clamp driving assembly for driving the main clamp and the sub-clamp to move relative to each other, wherein: The main clamp is provided with a plurality of clamping movable blocks, each of the clamping movable blocks and the auxiliary clamp is respectively provided with a trapezoidal clamp, the trapezoidal clamp provided on each auxiliary clamp corresponds to the trapezoidal clamp setting of a clamping movable block, each of the trapezoidal clamps includes a bottom surface and inclined surfaces opposite to each other at both ends of the bottom surface, the inclined surfaces of the corresponding trapezoidal clamps between the clamping movable block and the auxiliary clamp form a clamping position for clamping the filter, and an elastic device is provided between each of the clamping movable blocks and the main clamp.
2. The fixture for filter leak detection device according to claim 1, characterized in that: The elastic device includes an elastic part, and each of the clamping movable blocks is provided with a spring mounting groove adapted to the elastic part on the end surface facing the main clamp. One end of the elastic part is inserted into the spring mounting groove, and the other end abuts against the clamping movable block. When the trapezoidal clamping opening of the clamping movable block abuts against the filter, the clamping movable block is displaced toward the main clamp and the elastic part is compressed.
3. A fixture for filter leak detection device according to claim 2, characterized in that: A guiding device is arranged between the clamping movable block and the main clamp.
4. The fixture for filter leak detection device according to claim 3, characterized in that: The guiding device comprises a guiding rod, and a guiding groove adapted to the guiding rod is provided at one end of the bottom surface of the inclined surface of the trapezoidal clamping opening of each clamping movable block corresponding to each clamping movable block, and a guiding rod is movably inserted in each guiding groove, and the guiding rod is fixedly connected to the clamping movable block.
5. The fixture for filter leak detection device according to claim 4, characterized in that: The trapezoidal clamping opening is detachably provided with an anti-slip strip, and the two ends of the anti-slip strip are fixedly arranged on one end of the two inclined surfaces of the trapezoidal clamping opening opposite to the bottom surface by screws and a pressing plate.
6. The fixture for filter leak detection device according to claim 1, characterized in that: The clamp driving assembly includes an open clamp cylinder arranged at both ends of the main clamp and the auxiliary clamp, and the output end of the open clamp cylinder is respectively connected to the main clamp and the auxiliary clamp, and drives the main clamp and the auxiliary clamp to move in the same or opposite directions.
7. A fixture for a filter leak detection device according to claim 6, characterized in that: The main clamp and the auxiliary clamp are provided with an auxiliary clamp driving assembly between the opening clamp cylinders.
8. The fixture of the filter leak detection device according to claim 7, characterized in that: The auxiliary clamp driving assembly includes auxiliary driving cylinders respectively arranged on the main clamp and the auxiliary clamp, the output shafts of the corresponding auxiliary driving cylinders are coaxially connected, and the corresponding auxiliary driving cylinders and the opening clamp cylinder synchronously drive the main clamp and the auxiliary clamp to move in opposite directions.
Citation Information
Patent Citations
Product transfer clamping plate for filter leakage detection equipment
CN219819391U