Compressed air filter with valve element convenient to disassemble, assemble and clean

Abstract

The utility model discloses a compressed air filter with a valve core convenient to disassemble, assemble and clean, which comprises core pipes, a connecting mechanism is connected between the core pipes, and the connecting mechanism comprises a connecting piece; an annular groove is formed in the connecting piece; a limiting groove is formed in the inner side of the annular groove; an opening is formed in the limiting groove; the core tube is connected with a fixing piece; an annular pipe matched with the annular groove is connected to the fixing piece. The inner side of the annular pipe is connected with a clamping block; the size of the cross section of the clamping block is not larger than that of the cross section of the opening. And the thickness of the clamping block is matched with that of the limiting groove. According to the utility model, the connecting mechanism is arranged between the core pipes, so that the core pipes are clamped; after the connecting blocks are clamped with the clamping grooves, transverse fixation between the core pipes is enhanced, and the core pipes are prevented from rotating; the core tubes can be quickly disassembled and assembled, part of the core tubes can be conveniently replaced, and meanwhile the lengths of the core tubes can be changed.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a compressed air filter with a valve core that is easy to disassemble and clean. Background Art

[0002] Compressed air filters are widely used in various industries and departments. They are usually installed at the front end of gas-using equipment to separate and automatically remove impurities such as water and oil mist in the compressed air, ultimately purifying the compressed air and meeting the standards for use. The valve core is the core component of the compressed air filter, which plays an important role in air filtration and requires regular maintenance. Most valve cores are in the shape of an integral cylinder and cannot be disassembled or assembled. Cleaning and carrying are very cumbersome and troublesome. When part of the valve core is damaged, it needs to be replaced as a whole. The length of the valve core cannot be changed, and the adaptability is poor. Utility Model Content

[0003] The utility model aims to solve the problems in the prior art and proposes a compressed air filter which is convenient for disassembling and cleaning a valve core.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A compressed air filter that is easy to disassemble and clean a valve core, comprising a core tube, wherein a connecting mechanism is connected between the core tubes, and the connecting mechanism comprises a connecting piece; an annular groove is provided on the connecting piece; a limiting groove is provided on the inner side of the annular groove; an opening is provided on the limiting groove; a fixing piece is connected to the core tube; an annular tube matching the annular groove is connected to the fixing piece; a clamping block is connected to the inner side of the annular tube; the cross-sectional size of the clamping block is not greater than the cross-sectional size of the opening; and the thickness of the clamping block matches the thickness of the limiting groove.

[0006] Preferably, the outer side of the clamping block is set to an arc shape that fits the inner wall of the limiting groove; and a connecting block is connected to one side of the clamping block; the limiting groove is connected to the limiting block; the limiting block is provided with a clamping slot that matches the connecting block; the clamping block is clamped with the limiting block through the connecting block.

[0007] Preferably, the limiting block is arc-shaped and the outer side is in contact with the limiting groove; one end face of the limiting block is parallel to the side face of the opening.

[0008] Preferably, the blocking blocks and openings are provided in plurality and correspond to each other.

[0009] Preferably, the inner wall dimensions of the connecting member and the fixing member are the same as the inner wall dimensions of the core tube.

[0010] Preferably, the connecting member is provided with a threaded hole 1; the threaded hole 1 is connected with a bolt; and one of the clamping blocks is provided with a threaded hole 2 matching the threaded hole 1.

[0011] Preferably, both upper and lower ends of the core tube are connected with fixing parts; both upper and lower ends of the connecting part located between the core tubes are provided with annular grooves; and the annular grooves of the device are symmetrically arranged.

[0012] Compared with the prior art, the utility model provides a compressed air filter that is easy to disassemble and clean the valve core, and has the following beneficial effects:

[0013] The compressed air filter with a valve core that is easy to disassemble and clean has a connecting mechanism between core tubes. When in use, the clamping block and the opening are aligned first, and then the fixing piece on the core tube is inserted into the connecting piece, that is, the annular tube is inserted into the annular groove, so that the bottom end of the clamping block is fitted with the inner wall of the annular groove, and then the core tube is rotated to rotate the clamping block into the limiting groove to complete the clamping connection between the core tubes; after the connecting block is clamped with the clamping groove, the lateral fixation between the core tubes is strengthened to prevent the core tubes from rotating; the disassembly and assembly of the core tubes can be completed quickly, so that part of the core tubes can be easily replaced, and the length of the core tubes can be changed at the same time.

[0014] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is an exploded view of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the connecting mechanism in the utility model;

[0018] Figure 4 It is a top view of the fixing member in the utility model;

[0019] Figure 5 It is a cross-sectional view of the connecting piece in the utility model;

[0020] Figure 6 It is a top view of the fixing member and the connecting member when they are connected in the utility model.

[0021] In the figure: 10 core tube, 20 connecting mechanism, 21 connecting piece, 22 annular groove, 23 limiting groove, 24 opening, 25 limiting block, 26 clamping groove, 27 threaded hole one, 28 bolt, 31 fixing piece, 32 annular tube, 33 clamping block, 34 connecting block, 35 threaded hole two. DETAILED DESCRIPTION

[0022] The following will refer to Figure 1-5, a specific embodiment of a compressed air filter that is easy to disassemble and clean the valve core in the utility model is introduced, including a core tube 10. In order to facilitate the quick connection between the core tubes 10, a connecting mechanism 20 is connected between the core tubes 10, and the connecting mechanism 20 includes a connecting piece 21; an annular groove 22 is provided on the connecting piece 21; a limiting groove 23 is provided on the inner side of the annular groove 22; an opening 24 is provided on the limiting groove 23; a fixing piece 31 is connected to the core tube 10; an annular tube 32 matching the annular groove 22 is connected to the fixing piece 31; a block 33 is connected to the inner side of the annular tube 32; the cross-sectional size of the block 33 is not greater than the cross-sectional size of the opening 24; and the thickness of the block 33 matches the thickness of the limiting groove 23, and a plurality of blocks 33 and openings 24 are provided and correspond to each other.

[0023] When in use, the clamping block 33 and the opening 24 can be aligned first, and then the fixing piece 31 on the core tube 10 can be inserted into the connecting piece 21, that is, the annular tube 32 can be inserted into the annular groove 22, so that the bottom end of the clamping block 33 fits with the inner wall of the annular groove 22, and then the core tube 10 is rotated to rotate the clamping block 33 into the limiting groove 23, thereby completing the clamping connection between the core tubes 10.

[0024] In order to prevent the core tube 10 from moving laterally after being connected, the outer side of the clamping block 33 is set to an arc shape that fits the inner wall of the limiting groove 23; and a side surface of the clamping block 33 is connected to a connecting block 34; a limiting block 25 is connected inside the limiting groove 23; the limiting block 25 is arc-shaped and the outer side fits the limiting groove 23; one end face of the limiting block 25 is parallel to the side surface of the opening 24; a clamping groove 26 matching the connecting block 34 is provided on the limiting block 25; the clamping block 33 is clamped with the limiting block 25 through the connecting block 34, so that the clamping connection between the core tubes 10 is strengthened after being clamped by the limiting groove 23 and then by the connecting block 34 and the clamping groove 26, thereby strengthening the lateral fixation between the core tubes 10 to prevent the core tubes 10 from rotating.

[0025] In order to further prevent the core tube 10 from shaking, a threaded hole 26 is provided on the connecting piece 21; a bolt 27 is connected to the threaded hole 26; a threaded hole 25 matching the threaded hole 26 is provided on one of the clamping blocks 33, so that after the connecting block 34 is clamped with the clamping groove 26, the bolt 27 can just connect the threaded hole 26 and the threaded hole 35 at the same time for fixing, and in this device, only one bolt 27 is needed for fixing, which is convenient for disassembly and assembly.

[0026] To ensure the flatness of the inner side wall, the inner wall dimensions of the connecting member 21 and the fixing member 31 are the same as the inner wall dimensions of the core tube 10 .

[0027] The upper and lower ends of the core tube 10 are connected with fixing parts 31; the upper and lower ends of the connecting part 21 located between the core tubes 10 are provided with annular grooves 22; and the annular grooves 22 of the device are symmetrically arranged; multiple core tubes 10 can be connected through the connecting part 21, so as to change the height of the core tube 10.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A compressed air filter that is easy to disassemble and clean the valve core, comprising a core tube (10), wherein a connecting mechanism (20) is connected between the core tubes (10), characterized in that: The connecting mechanism (20) comprises a connecting piece (21); an annular groove (22) is provided on the connecting piece (21); a limiting groove (23) is provided inside the annular groove (22); an opening (24) is provided on the limiting groove (23); a fixing piece (31) is connected to the core tube (10); an annular tube (32) matching the annular groove (22) is connected to the fixing piece (31); a clamping block (33) is connected inside the annular tube (32); the cross-sectional dimension of the clamping block (33) is not greater than the cross-sectional dimension of the opening (24); and the thickness of the clamping block (33) matches the thickness of the limiting groove (23).

2. A compressed air filter with a valve core that is easy to disassemble and clean according to claim 1, characterized in that: The outer side of the clamping block (33) is arranged in an arc shape that fits the inner wall of the limiting groove (23); and a connecting block (34) is connected to one side of the clamping block (33); the limiting groove (23) is connected to the limiting block (25); the limiting block (25) is provided with a clamping groove (26) that matches the connecting block (34); and the clamping block (33) is clamped with the limiting block (25) via the connecting block (34).

3. A compressed air filter with a valve core that is easy to disassemble and clean according to claim 2, characterized in that: The limiting block (25) is arc-shaped and its outer side is in contact with the limiting groove (23); one end surface of the limiting block (25) is parallel to the side surface of the opening (24).

4. A compressed air filter with a valve core that is easy to disassemble and clean according to claim 1, characterized in that: The clamping blocks (33) and the openings (24) are provided in plurality and correspond to each other.

5. A compressed air filter with a valve core that is easy to disassemble and clean according to claim 1, characterized in that: The inner wall dimensions of the connecting piece (21) and the fixing piece (31) are the same as the inner wall dimensions of the core tube (10).

6. A compressed air filter with a valve core that is easy to disassemble and clean according to claim 1, characterized in that: The connecting member (21) is provided with a threaded hole 1 (27); the threaded hole 1 (27) is connected with a bolt (28); and one of the clamping blocks (33) is provided with a threaded hole 2 (35) matching the threaded hole 1 (27).

7. A compressed air filter with a valve core that is easy to disassemble and clean according to claim 1, characterized in that: The upper and lower ends of the core tube (10) are both connected with fixing members (31); the upper and lower ends of the connecting member (21) located between the core tubes (10) are both provided with annular grooves (22); and the annular grooves (22) are symmetrically arranged.

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