CN-224221054-U - Easy-to-detach and changeable compressed air filter

CN224221054UCN 224221054 UCN224221054 UCN 224221054UCN-224221054-U

Abstract

The utility model discloses an easy-to-detach and replaceable compressed air filter, and belongs to the technical field of filters. The filter comprises a filter body, a filter part and a valve cavity, wherein the filter body is detachably arranged in an external electromagnetic valve air inlet or on a quick plug matched with an electromagnetic valve, the filter body comprises a support, the support is matched with the electromagnetic valve air inlet in size, the support is pressed against a valve port wall of the electromagnetic valve air inlet through the quick plug, the filter part is connected with the support, the filter part is provided with a static interception structure or a dynamic separation structure and is used for intercepting impurities in compressed air, and the compressed air flows through the filter part and then enters the valve cavity of the electromagnetic valve. The filter body can be arranged in the air inlet of the electromagnetic valve in a matched manner, compared with the mode of filtering by adopting a filter joint, the cost is reduced, the filter part adopts a specific static interception structure or dynamic separation structure, the air flow is not obviously limited while the good filtering effect is ensured, and the efficient operation of the electromagnetic valve is ensured.

Inventors

GUO HAIZHI
LI GUOCHAO

Assignees

华昇时代(宁波)自动化技术有限公司

Dates

Publication Date: 20260512
Application Date: 20250411

Claims (10)

1. An easy-to-detach compressed air filter, comprising: the filter body is detachably arranged in an external electromagnetic valve air inlet or on a quick plug matched with the electromagnetic valve; The filter body includes: the bracket is matched with the size of the electromagnetic valve air inlet, and is propped against the valve port wall of the electromagnetic valve air inlet through the quick connector; The filtering part is connected with the bracket, is provided with a static interception structure or a dynamic separation structure and is used for intercepting impurities in compressed air, and the compressed air flows through the filtering part and then enters the valve cavity of the electromagnetic valve.
2. The easily removable compressed air filter of claim 1 wherein the filter body is configured as a fan filter and the bracket is configured as a housing and the filter portion is configured as a fan assembly rotatably disposed within the housing.
3. The easy-to-detach compressed air filter according to claim 2, wherein the fan assembly includes a mounting shaft and a plurality of fan blades disposed on a circumferential surface of the mounting shaft, and an inner wall of the mounting shaft is provided with a plurality of positioning ribs along an axial direction thereof.
4. A readily removable compressed air filter according to claim 3, wherein the fan assembly further comprises a rotating shaft, the circumferential surface of the rotating shaft being provided with a plurality of positioning grooves along the axial direction thereof, the rotating shaft being inserted into the mounting shaft and the positioning ribs being fitted into the positioning grooves.
5. The easy-to-detach and replace type compressed air filter according to claim 4, wherein mounting holes are respectively formed in upper and lower end surfaces of the housing, a connecting line of the two mounting holes is located in a central axis direction of the housing, two ends of the rotating shaft are respectively inserted into the two mounting holes, and a bearing is arranged between the rotating shaft and the mounting holes.
6. The easy-to-detach compressed air filter according to claim 2, wherein the upper and lower end surfaces of the housing are further provided with a plurality of ventilation holes, respectively.
7. The easily removable compressed air filter of claim 1 wherein the filter body is configured as a flexible mesh filter, wherein the support is configured as an outer rim, and wherein the filter portion is configured as a flexible mesh having densely packed mesh openings.
8. The easily removable compressed air filter of claim 7 wherein the outer rim structure is configured as a non-closed annular structure and has a neck-up through which the caliber of the outer rim structure is adjusted.
9. A readily removable compressed air filter according to claim 2 wherein the filter body is provided as a filter sheet, the outer edges of the filter sheet forming the support and the dense mesh openings of the filter sheet forming the filter section.
10. The easily removable compressed air filter of claim 9 wherein the housing and the filter sheet are made of PE material.

Description

Easy-to-detach and changeable compressed air filter Technical Field The utility model belongs to the technical field of filters, and particularly relates to an easy-to-detach type compressed air filter. Background The performance stability of the solenoid valve, which is used as a core control element in the field of industrial automation, directly affects the reliability of the pneumatic system. In the working process of the electromagnetic valve, if solid particles (such as dust, greasy dirt, metal scraps and the like) in the compressed air enter the valve cavity, the problems of valve core abrasion, sealing failure, response delay and the like are caused, and equipment shutdown is caused when serious problems exist. Therefore, intake air filtration is a key link for guaranteeing long-life operation of the electromagnetic valve. For the inlet air filtration of the electromagnetic valve air inlet, the conventional filter cannot be installed due to the small size of the air inlet, and the conventional filter is generally installed for filtering at present, but the filter joint is required to be purchased independently and has high price, so that the cost is increased, and the equipped filter screen is too dense, so that the air flow entering the electromagnetic valve can be limited, and the response speed of the electromagnetic valve is influenced. Disclosure of utility model The utility model aims at the problems existing in the prior art, and provides a compressed air filter which improves the filtering effect and is easy to detach and replace. The utility model can be realized by the following technical scheme: a readily removable compressed air filter comprising: the filter body is detachably arranged in an external electromagnetic valve air inlet or on a quick plug matched with the electromagnetic valve; The filter body includes: the bracket is matched with the size of the electromagnetic valve air inlet, and is propped against the valve port wall of the electromagnetic valve air inlet through the quick connector; The filtering part is connected with the bracket, is provided with a static interception structure or a dynamic separation structure and is used for intercepting impurities in compressed air, and the compressed air flows through the filtering part and then enters the valve cavity of the electromagnetic valve. As a further development of the utility model, the filter body is provided as a fan filter, in which case the holder is provided as a housing and the filter part is provided as a fan assembly, which is rotatably arranged in the housing. As a further improvement of the utility model, the fan blade assembly comprises a mounting shaft and a plurality of fan blades arranged on the peripheral surface of the mounting shaft, and the inner wall of the mounting shaft is provided with a plurality of positioning convex strips along the axial direction of the mounting shaft. As a further improvement of the present utility model, the fan assembly further includes a rotation shaft, the circumferential surface of which is provided with a plurality of positioning grooves along the axial direction thereof, the rotation shaft being inserted into the mounting shaft and the positioning protruding strips being embedded into the positioning grooves. As a further improvement of the utility model, the upper end face and the lower end face of the shell are respectively provided with a mounting hole, the connecting line of the two mounting holes is positioned in the central axis direction of the shell, the two ends of the rotating shaft are respectively inserted into the two mounting holes, and a bearing is arranged between the rotating shaft and the mounting holes. As a further improvement of the utility model, the upper end face and the lower end face of the shell are respectively provided with a plurality of vent holes. As a further development of the utility model, the filter body is provided as a flexible mesh filter, in which case the support is provided as an outer rim structure and the filter section is provided as a flexible mesh with densely arranged mesh openings. As a further improvement of the utility model, the outer edge structure is provided with a non-closed annular structure and is provided with a closing-in, and the caliber of the outer edge structure is adjusted through the closing-in. As a further improvement of the utility model, the filter body is provided as a filter sheet, wherein the outer edge of the filter sheet forms the bracket, and meshes densely distributed on the filter sheet form the filter part. As a further improvement of the utility model, the shell and the filter plate are made of PE materials. Compared with the prior art, the utility model has the following beneficial effects: 1. Sector filter: the air vent on the shell carries out primary filtration on the compressed air, the fan blade assembly can rotate at high speed by strong air flow generated by the compressed air, imp