CN212080287U - Filter - Google Patents

Abstract

The utility model provides a filter belongs to valve manufacturing technical field. It has solved the current not good scheduling problem of filter effect. This filter includes valve body and valve gap, the one end of valve body is the end of intaking, the other end of valve body is for going out the water end, the valve body still has the connecting branch pipe that the slope set up, connecting branch pipe's outer end and valve gap threaded connection and the inside filter chamber that is linked together with the valve body inner chamber that is of connecting branch pipe, be equipped with the filter screen that is the tube-shape in the connecting branch pipe, the bottom of filter screen is contradicted on the inside disk seat that has of valve body, the top of filter screen is contradicted in the valve gap, the end of intaking communicates in the bottom of filter screen and the shaft of filter screen will filter chamber and play water end separate, the inner wall of the end of intaking and play water end all has radial convex fender shoulder, the end of intaking and play water end both ports all has the breach of a. The utility model discloses can improve welding effect, the filter effect is good.

Description

Filter

Technical Field

The utility model belongs to the technical field of the valve is made, a filter is related to.

Background

The filter is usually installed at the inlet end of the hydraulic control valve, the pressure reducing valve, the pressure relief valve, the constant water level valve and other devices, and is used for eliminating impurities in the medium and preventing granular impurities from entering the channel to cause blockage so as to protect the devices on the pipeline.

Of course, in daily life, the filter can be used for removing impurities in tap water and improving the quality of domestic water. For example, chinese patent literature discloses a filter valve [ application No.: 02265825.4, respectively; authorization notice number: CN2568273Y ], which comprises a body with a water purifying cavity, and a water inlet pipe and a water outlet pipe connected with the body, wherein the water inlet pipe and the water outlet pipe are both communicated with the water purifying cavity, the body is provided with a detachable cover connected with the body, the water purifying cavity is provided with a mesh filter element, the water inlet hole of the filter element is communicated with the water inlet pipe, and the water outlet hole of the filter element is communicated with the water outlet pipe.

The filter valve is simple in structure and can play a role in filtering, but the water inlet pipe and the water outlet pipe are connected through threads, so that the connection firmness is poor, and the filtering effect is to be enhanced.

Disclosure of Invention

The utility model aims at providing a can improve welding effect, the good filter of filter effect to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: a filter comprises a valve body and a valve cover, wherein one end of the valve body is a water inlet end, the other end of the valve body is a water outlet end, the valve body is also provided with a connecting branch pipe which is obliquely arranged, the outer end of the connecting branch pipe is in threaded connection with the valve cover, the interior of the connecting branch pipe is provided with a filter cavity communicated with the inner cavity of the valve body, a cylindrical filter screen is arranged in the connecting branch pipe, the bottom end of the filter screen is abutted against a valve seat arranged in the valve body, the top end of the filter screen is abutted against the valve cover, the water inlet end is communicated with the bottom end of the filter screen, and the filter cavity and the water outlet end are separated by a net body of, the water inlet end and the water outlet end are respectively provided with a radial convex retaining shoulder on the inner wall, a plurality of cracks are uniformly distributed in the circumferential direction on the ports of the water inlet end and the water outlet end, and the valve cover is connected with an adsorption structure which is positioned in the filter screen and used for adsorbing impurities in water.

In the above filter, the inner edge and the outer edge of the ports of the water inlet end and the water outlet end are rounded or chamfered.

In the filter, the adsorption structure comprises a rod-shaped connecting rod in threaded connection with the valve cover, the connecting rod is sleeved with an even number of annular magnets, the end part of the connecting rod, far away from the valve cover, is in threaded connection with a locking cap, and the outer diameter of the locking cap is larger than that of the connecting rod.

In the filter, the connecting rod is sleeved with a plurality of annular connecting rings, and the surfaces of the connecting rings are provided with fiber fluff.

In the above filter, the magnet and the connecting ring are disposed on the connecting rod at an interval. Therefore, impurities in water can be adsorbed uniformly, and the using effect is good.

In the filter, the top inner wall of the valve cover is provided with a connecting seat which axially protrudes, and the connecting rod is provided with an external thread section which is screwed into the connecting seat. The connecting strength of the valve cover and the connecting rod is guaranteed by the connecting seat, so that the thickness of the valve cover does not need to be thick, and materials are saved to reduce cost.

In the above filter, the filter net has a single-layer or multi-layer structure.

In the filter, a sealing ring is arranged between the valve cover and the connecting branch pipe. The sealing performance is guaranteed by the sealing ring, and leakage is avoided.

Compared with the prior art, this filter intake end and play water end be convenient for with the water pipe welding, and the welding fastness is good, job stabilization moreover, the filter effect is good, goes out the clean and quality of water good.

Drawings

Fig. 1 is a structural sectional view of the present filter.

Fig. 2 is a side view of the structure at the water inlet end of the present filter.

In the figure, 1, a valve body; 2. a valve cover; 3. a water inlet end; 4. a water outlet end; 5. connecting branch pipes; 6. a filter screen; 7. a valve seat; 8. a shoulder block; 9. a breach; 10. a connecting rod; 11. a magnet; 12. a locking cap; 13. a connecting ring; 14. a connecting seat; 15. and (5) sealing rings.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and fig. 2, the filter includes a valve body 1 and a valve cover 2, one end of the valve body 1 is a water inlet end 3, the other end of the valve body 1 is a water outlet end 4, the valve body 1 further has a connecting branch pipe 5 obliquely arranged, the outer end of the connecting branch pipe 5 is in threaded connection with the valve cover 2, and the inside of the connecting branch pipe 5 is a filter cavity communicated with the inner cavity of the valve body 1, a cylindrical filter screen 6 is arranged in the connecting branch pipe 5, the bottom end of the filter screen 6 abuts against a valve seat 7 arranged inside the valve body 1, the top end of the filter screen 6 abuts against the valve cover 2, the water inlet end 3 is communicated with the bottom end of the filter screen 6, and a net body of the filter screen 6 separates the filter cavity from the water outlet end 4, inner walls of the water inlet end 3 and the water outlet end 4 are respectively provided with a radially convex blocking shoulder 8, ports of the water inlet end 3 and the water outlet end 4.

The water inlet end 3 and the water outlet end 4 of the filter are welded with the water pipes, the two retaining shoulders 8 are used for limiting the two water pipes inserted into the water inlet end 3 and the water outlet end 4, and the split 9 is used for accommodating welding powder during welding so as to increase the effective welding area and improve the welding firmness; when the filter is used, water flowing in from the water inlet end 3 enters the filter screen 6, impurities in the water are adsorbed by the adsorption structure, the water is filtered by the filter screen 6 and then flows out from the water outlet end 4, the filtering effect is good, and the cleanness degree of the water is high; the valve cover 2 is taken down, the filter screen 6 and the adsorption structure can be taken out, and the cleaning is convenient.

It is further said that, the inner edge and the outer fringe of intaking end 3 and 4 ports of play water end are the chamfer, and the inner edge of intaking end 3 and 4 ports of play water end is for the chamfer in order to play the guide effect, and the water pipe of being convenient for inserts, and the outer fringe of intaking end 3 and 4 ports of play water end is the chamfer, can hold the gap for the solder provides, has improved the welded fastness, and the chamfer can be replaced by the fillet certainly.

The adsorption structure comprises a rod-shaped connecting rod 10 in threaded connection with the valve cover 2, the connecting rod 10 is sleeved with an even number of annular magnets 11, the number of the magnets 11 is four in the embodiment, the end part, far away from the valve cover 2, of the connecting rod 10 is in threaded connection with a locking cap 12, the outer diameter of the locking cap 12 is larger than that of the connecting rod 10, the locking cap 12 is convenient to disassemble and assemble, the locking cap 12 plays a role in blocking, the magnets 11 are prevented from being separated from the connecting rod 10, the even number of the magnets 11 enable a magnetic field to be uniformly distributed, and the water entering the filter cartridge can be magnetized, so that the water quality is activated and is beneficial to a human body, fine metal particles contained in the water can be adsorbed, and the filtering effect is improved; the connecting rod 10 is sleeved with four annular connecting rings 13, fiber fluff is arranged on the surfaces of the connecting rings 13, the connecting rings 13 are made of the surfaces with the fiber fluff of the existing magic tapes, impurities in water can be attached to the fiber fluff, and the impurities blocked by the filter screen 6 can be attached to the fiber fluff along with water flow, so that blockage is avoided, and the filtering effect is improved; the magnet 11 and the connection ring 13 are spaced apart from each other on the rod 10 for uniform attraction.

For firm connection and material saving, the top inner wall of the valve cover 2 is provided with a connecting seat 14 which axially protrudes, and the connecting rod 10 is provided with an external thread section which is screwed into the connecting seat 14; for good sealing, a sealing ring 15 is arranged between the valve cover 2 and the connecting branch pipe 5. The filter screen 6 is single-layer or multilayer structure, and a plurality of is the filter screen 6 of tube-shape and cup joints mutually in order to form multilayer structure, can select the filter screen 6 of different mesh sizes to improve the filter effect, filter screen 6 is single layer structure in this embodiment.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (8)

1. A filter comprises a valve body (1) and a valve cover (2), wherein one end of the valve body (1) is a water inlet end (3), the other end of the valve body (1) is a water outlet end (4), the valve body (1) is also provided with a connecting branch pipe (5) which is obliquely arranged, the outer end of the connecting branch pipe (5) is in threaded connection with the valve cover (2), the inside of the connecting branch pipe (5) is a filter cavity communicated with the inner cavity of the valve body (1), a cylindrical filter screen (6) is arranged in the connecting branch pipe (5), the bottom end of the filter screen (6) is abutted against a valve seat (7) arranged in the valve body (1), the top end of the filter screen (6) is abutted against the valve cover (2), the water inlet end (3) is communicated with the bottom end of the filter screen (6), and a net body of the filter screen (6) separates the filter cavity from the water outlet end (4), and is characterized in that the inner walls of the water inlet end (3) and the water outlet end, the port of the water inlet end (3) and the port of the water outlet end (4) are provided with a plurality of splits (9) which are circumferentially and uniformly distributed, and the valve cover (2) is connected with an adsorption structure which is positioned in the filter screen (6) and used for adsorbing impurities in water.

2. A filter according to claim 1, characterised in that the inner and outer edges of the ports of the inlet end (3) and outlet end (4) are rounded or chamfered.

3. A filter according to claim 1 or 2, wherein the adsorption structure comprises a rod-shaped connecting rod (10) in threaded connection with the valve cover (2), the connecting rod (10) is sleeved with an even number of annular magnets (11), the end of the connecting rod (10) far away from the valve cover (2) is in threaded connection with a locking cap (12), and the outer diameter of the locking cap (12) is larger than that of the connecting rod (10).

4. A filter according to claim 3, characterized in that a plurality of annular connecting rings (13) are sleeved on the connecting rod (10), and the surfaces of the connecting rings (13) are provided with fiber fluff.

5. A filter according to claim 4, characterised in that the magnet (11) and the coupling ring (13) are spaced apart on the connecting rod (10).

6. A filter according to claim 5, characterised in that the top inner wall of the valve cap (2) has an axially projecting connecting seat (14), and the connecting rod (10) has an externally threaded section which is screwed into the connecting seat (14).

7. A filter according to claim 6, characterised in that the filter web (6) is of single or multi-layer construction.

8. A filter according to claim 7, characterised in that a sealing ring (15) is arranged between the valve cover (2) and the connecting branch (5).

Images