CN216092466U - Internal thread filter - Google Patents

Abstract

The utility model discloses an internal thread filter, belonging to the technical field of valves, and comprising a pipe fitting, a filter tube, a core barrel, a sealing cover and an extraction rod, wherein the bottom of the pipe fitting is connected with the filter tube in an integrated manner, the circumferential inner wall of the filter tube is sleeved with the core barrel, the bottom of the core barrel is in threaded connection with the sealing cover, the circumferential inner wall of the sealing cover is movably connected with the extraction rod, the bottom of the filter tube is welded with a filter tube interface, the internal thread filter is combined with the sealing cover carrying the core barrel in the filter tube, a stud carrying the extraction rod can be rotatably separated from the sealing cover by rotating a wrench on the sealing cover, the top of the extraction rod is connected with the top of an inner cavity of a filter screen cover, the bottom of the filter screen cover is bonded with the bottom of the inner cavity of the sealing cover, when the extraction rod is pulled, the filter screen cover can be turned out from inside to outside, so as to be convenient for quickly cleaning impurities accumulated in the filter screen cover, and the core barrel does not need to be disassembled, assembled and extracted, so that the cleaning effect and efficiency are improved.

Description

Internal thread filter

Technical Field

The utility model relates to the technical field of valves, in particular to an internal thread filter.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters of a conveying medium, temperature, pressure and flow, can be divided into a shut-off valve, a check valve, a regulating valve and the like according to functions of the valve, is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The filter is usually installed at the inlet end of a pressure reducing valve, a pressure relief valve, a constant water level valve or other equipment and is used for removing impurities in the medium so as to protect the normal use of the valve and the equipment.

The in-process of using can carry out impurity filtering to the water to current internal thread filter, but in order to guarantee security and the life-span of using, need often open behind the closing cap portion, take out the core bucket and clean or change, impurity is piled up inside the core bucket, and clean effect is poor, and the process of dismouting extraction is comparatively loaded down with trivial details, has reduced clean effect and efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an internal thread filter, which aims to solve the problems that the existing internal thread filter proposed in the background art can filter impurities in water during use, but in order to ensure the use safety and the service life, a core barrel needs to be taken out for cleaning or replacement after a sealing cover part is frequently opened, the impurities are accumulated in the core barrel, the cleaning effect is poor, the dismounting and extracting processes are complicated, and the cleaning effect and the cleaning efficiency are reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: an internal thread filter comprises a pipe fitting, a filter tube, a core barrel, a sealing cover and a drawing rod, wherein the bottom of the pipe fitting is integrally connected with the filter tube, the inner wall of the circumference of the filter tube is sleeved with the core barrel, the bottom of the core barrel is connected with the sealing cover in a threaded manner, the circumferential inner wall of the sealing cover is movably connected with the extraction rod, the bottom of the filter tube is welded with a filter tube interface, the circumferential outer wall of the core barrel is integrally formed and reserved with a core barrel hole, the circumferential inner wall of the core barrel is sleeved with a filter screen cover, the bottom of the filter screen cover is adhered to the bottom of the inner cavity of the sealing cover, the circumferential inner wall of the sealing cover is in threaded connection with a stud, a wrench is bonded at the bottom of the stud, a connecting sleeve is bonded at the top of the stud, a draw-out rod is connected with the top of the connecting sleeve in a threaded manner, the top of the extraction rod is sleeved with a supporting plate, and the top of the supporting plate is in threaded connection with a nut.

Preferably, the left side wall and the right side wall of the pipe fitting are integrally connected with a main connecting port and an auxiliary connecting port, and the main connecting port, the auxiliary connecting port and the filter pipe are communicated.

Preferably, the inner circumferential wall of the filter tube connector is integrally formed with an internal thread.

Preferably, the material of filtering the screen panel is anticorrosive alloy net, the inside clamp of filtering the screen panel is equipped with the active carbon sandwich panel.

Preferably, the top of the supporting disk is integrally formed and provided with a supporting disk hole, a circular ring plate is bonded to the outer wall of the circumference of the supporting disk, and the top of the circular ring plate is in contact with the top of the inner cavity of the filter screen cover.

Preferably, the length of the extraction rod is slightly shorter than that of the filter screen.

Compared with the prior art, the utility model has the beneficial effects that: this kind of internal thread filter, combination application through the accessory, the sealed lid of core bucket is carried in the inside combination of chimney filter, through rotating the spanner on the sealed lid, can make the double-screw bolt and the sealed lid swivelling joint who carries the extraction pole, the inner chamber top of filtering the screen panel is connected at the top of extraction pole, the bottom of filtering the screen panel bonds with the inner chamber bottom of sealed lid, after pulling the extraction pole, can make the filtering screen panel by inside to outside roll over, be convenient for clear up fast the impurity of inside deposit, and need not carry out the dismouting extraction to core bucket self, clean effect and efficiency have been promoted.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a cartridge according to the present invention;

fig. 3 is a schematic view of the structure of the extraction rod of the present invention.

In the figure: 100 tubes, 110 primary connection ports, 120 secondary connection ports, 200 filter tubes, 210 filter tube interfaces, 211 internal threads, 300 core barrels, 310 core barrel holes, 320 filter screen covers, 400 sealing covers, 410 studs, 420 wrenches, 430 connecting sleeves, 500 extraction rods, 510 nuts, 520 supporting disks, 530 supporting disk holes, 540 circular ring plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an internal thread filter, which is convenient for quickly cleaning impurities accumulated in the internal thread filter through the combined application of accessories, does not need to disassemble and assemble a core barrel, improves the cleaning effect and efficiency, and comprises a pipe fitting 100, a filter tube 200, a core barrel 300, a sealing cover 400 and an extraction rod 500 by referring to fig. 1, 2 and 3;

referring to fig. 1 again, the side wall of the pipe 100 has a main connection port 110 and an auxiliary connection port 120, specifically, the left and right side walls of the pipe 100 are integrally connected with the main connection port 110 and the auxiliary connection port 120, and the main connection port 110 and the auxiliary connection port 120 are communicated with the filter tube 200;

referring to fig. 1 again, the side wall of the filter tube 200 is combined with the pipe 100, specifically, the bottom of the pipe 100 is integrally connected with the filter tube 200, and the bottom of the filter tube 200 is welded with a filter tube connector 210;

referring to fig. 1 and 2 again, the core barrel 300 is connected to the filter tube 200, specifically, the inner circumferential wall of the filter tube 200 is sleeved with the core barrel 300, the outer circumferential wall of the core barrel 300 is integrally formed with a core barrel hole 310, and the inner circumferential wall of the core barrel 300 is sleeved with a filter mesh enclosure 320;

referring to fig. 1 and 2 again, the sealing cover 400 is connected to the core barrel 300, specifically, the bottom of the core barrel 300 is in threaded connection with the sealing cover 400, the bottom of the filter mesh enclosure 320 is adhered to the bottom of the inner cavity of the sealing cover 400, the circumferential inner wall of the sealing cover 400 is in threaded connection with a stud 410, the bottom of the stud 410 is adhered with a wrench 420, and the top of the stud 410 is adhered with a connecting sleeve 430;

referring to fig. 2 and 3 again, the draw-out rod 500 is connected to the connection sleeve 430, specifically, the circumferential inner wall of the sealing cover 400 is movably connected to the draw-out rod 500, the top of the connection sleeve 430 is connected to the draw-out rod 500 in a threaded manner, the top of the draw-out rod 500 is sleeved with the support plate 520, and the top of the support plate 520 is connected to the nut 510 in a threaded manner;

when the pipe fitting is used specifically, the main connecting port 110 and the auxiliary connecting port 120 are connected to two sides of the pipe fitting 100, the transmission efficiency can be effectively ensured, the filter pipe 200 at the bottom of the pipe fitting 100 is also communicated with the main connecting port and the auxiliary connecting port, the bottom of the filter pipe 200 is in threaded connection with the sealing cover 400, the sealing cover 400 carries the core barrel 300, the core barrel 300 is arranged in the filter pipe 200, the filter screen cover 320 is sleeved inside the filter pipe 200, the bottom of the filter screen cover 320 is connected with the bottom of the sealing cover 400, when the pipe fitting needs to be cleaned, the stud 410 is rotated by the wrench 420, the stud 410 drives the extraction rod 500 to move by the connecting sleeve 430, the extraction rod 500 is pulled downwards, the top of the extraction rod 500 is connected with the top of the inner cavity of the filter screen cover 320 by the aid of the supporting plate 520 in the pulling process, the filter screen cover 320 is turned out from inside to outside under the influence of external force, and impurities accumulated inside can be cleaned at the moment, after the cleaning is finished, the extraction rod 500 is pushed, the extraction rod 500 is matched with the circular ring plate 540 on the supporting disc 520 to push the filter screen cover 320 into the core barrel 300 again, the positions of the filter cartridge 300 and the sealing cover 400 are not required to be disassembled, and the efficiency is improved while the cleaning effect is increased.

Referring to fig. 1 again, in order to increase the flexibility of the assembly process, specifically, the inner circumferential wall of the filter tube interface 210 is integrally formed with an inner thread 211.

Referring to fig. 2 again, in order to prolong the service life of the filter mesh enclosure 320 and improve the filtering effect, the filter mesh enclosure 320 is made of a corrosion-resistant alloy mesh, and an activated carbon sandwich plate is sandwiched inside the filter mesh enclosure 320.

Referring to fig. 2 and 3 again, in order to form a structure of the support plate 520 to effectively support the filter mesh enclosure 320 and ensure a basic area during filtering, specifically, a support plate hole 530 is integrally formed at the top of the support plate 520, a circular ring plate 540 is adhered to the outer wall of the circumference of the support plate 520, and the top of the circular ring plate 540 contacts with the top of the inner cavity of the filter mesh enclosure 320.

Referring to fig. 2 again, in order to maximize the exposure of the filter mesh enclosure 320 during the extraction, specifically, the length of the extraction rod 500 is slightly shorter than the length of the filter mesh enclosure 320.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. An internally threaded filter, comprising: comprises a pipe fitting (100), a filter tube (200), a core barrel (300), a sealing cover (400) and an extraction rod (500), wherein the bottom of the pipe fitting (100) is integrally formed and connected with the filter tube (200), the circumferential inner wall of the filter tube (200) is sleeved with the core barrel (300), the bottom of the core barrel (300) is in threaded connection with the sealing cover (400), the circumferential inner wall of the sealing cover (400) is movably connected with the extraction rod (500), a filter tube connector (210) is welded at the bottom of the filter tube (200), a core barrel hole (310) is reserved on the circumferential outer wall of the core barrel (300) in an integrally formed manner, a filter screen cover (320) is sleeved on the circumferential inner wall of the core barrel (300), the bottom of the filter screen cover (320) is bonded with the bottom of an inner cavity of the sealing cover (400), the circumferential inner wall of the sealing cover (400) is in threaded connection with a stud bonding (410), and a wrench (420) is arranged at the bottom of the stud bonding (410), the connecting sleeve (430) is bonded to the top of the stud (410), the top of the connecting sleeve (430) is in threaded connection with an extraction rod (500), the top of the extraction rod (500) is sleeved with a supporting plate (520), and the top of the supporting plate (520) is in threaded connection with a nut (510).

2. An internally threaded filter according to claim 1 wherein: the left side wall and the right side wall of the pipe fitting (100) are integrally connected with a main connecting port (110) and an auxiliary connecting port (120), and the main connecting port (110), the auxiliary connecting port (120) and the filter pipe (200) are communicated.

3. An internally threaded filter according to claim 2 wherein: the inner circumferential wall of the filter tube connector (210) is integrally formed with an internal thread (211).

4. An internally threaded filter according to claim 3 wherein: the material of filtering net cover (320) is corrosion-resistant alloy net, the inside clamp of filtering net cover (320) is equipped with active carbon sandwich panel.

5. An internally threaded filter according to claim 4 wherein: the top of the supporting disc (520) is integrally formed and provided with a supporting disc hole (530), a circular ring plate (540) is bonded to the outer wall of the circumference of the supporting disc (520), and the top of the circular ring plate (540) is in contact with the top of the inner cavity of the filter screen cover (320).

6. An internally threaded filter according to claim 5 wherein: the length of the extraction rod (500) is slightly shorter than that of the filter screen (320).

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