CN215293765U

CN215293765U - Filtering structure of pressure regulating valve

Info

Publication number: CN215293765U
Application number: CN202121341246.7U
Authority: CN
Inventors: 张晶晶; 许文义; 鄢小琼
Original assignee: Sichuan Lantian Cryogenic Technology Develop Co ltd
Current assignee: Sichuan Lantian Cryogenic Technology Develop Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-24
Anticipated expiration: 2031-06-16

Abstract

The utility model relates to a filtration technical field of air-vent valve specifically is a filtration of air-vent valve for solve among the prior art in the air-vent valve not set up filtration, the fluid of taking impurity directly passes through the air-vent valve, thereby causes the air-vent valve to block up easily, and is not convenient for clear away the problem of interior impurity of valve body. The utility model discloses an advance liquid, valve body and go out the liquid, it has the mounting groove to open in the feed liquor body, install filtering component in the mounting groove, advance and install the connection mouth on the liquid, advance liquid and be connected through the connecting block between the mouth and be connected, filtering component includes interconnect's outer screen cloth and interior screen cloth, outer screen cloth is installed in the mounting groove, interior screen cloth is installed in outer screen cloth. The utility model discloses in can filter the impurity in the fluid through installing the filtering component in the feed liquor to make this air-vent valve be difficult to blockked up, will advance liquid and connect the mouth through the connecting block and couple together, thereby be convenient for clear away the impurity on the filtering component.

Description

Filtering structure of pressure regulating valve

Technical Field

The utility model relates to a filtration technical field of air-vent valve, more specifically are to relate to a filtration of air-vent valve.

Background

The valve is a control component in a fluid conveying system, has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for a valve of a fluid control system, has quite a plurality of varieties and specifications from the simplest stop valve to various valves used in an extremely complicated automatic control system, 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, wherein the pressure regulating valve plays an important role, the production of a factory depends on the correct distribution and control of the flowing media, and the control can be energy exchange, pressure reduction or simple container feeding.

The pressure regulating valve in the prior art comprises a valve body provided with a liquid flow inlet and a liquid flow outlet and a valve cover arranged on the upper portion of the valve body, wherein a liquid flow regulating mechanism is arranged in the valve body and comprises a valve seat arranged in the liquid flow inlet and the liquid flow outlet, a throttling ring arranged above the valve seat and a flow equalizing cover arranged above the throttling ring, a plurality of windows are arranged on the lower portion of the flow equalizing cover, a valve core is arranged in the flow equalizing cover, the top end of the valve core is connected with a valve rod, the valve rod is supported by a support mechanism, water supply pressure regulation is realized by a throttling pressure reduction device formed by combining the throttling ring with a hole and the flow equalizing cover, high pressure difference energy is gradually consumed in a throttling process to reduce pressure difference, flow regulation guarantees flow supply by changing the flow cross section of the throttling device, multi-stage throttling can be realized, liquid flow local vaporization is prevented, noise is greatly reduced due to the special structure of the throttling device, and the service life is prolonged.

However, the pressure regulating valve is not provided with a filtering structure, and the fluid with impurities directly passes through the pressure regulating valve, so that the pressure regulating valve is easy to block, and the impurities in the valve body are inconvenient to remove. Therefore, there is a need for a filter structure that can prevent the pressure regulating valve from being easily blocked and can remove impurities more easily.

SUMMERY OF THE UTILITY MODEL

Based on above problem, the utility model provides a filtration of air-vent valve for solve among the prior art not set up filtration in the air-vent valve, the fluid of taking impurity directly passes through the air-vent valve to cause the air-vent valve to block up easily, and be not convenient for clear away the problem of interior impurity of valve body. The utility model discloses in can filter the impurity in the fluid through installing the filtering component in the feed liquor to make this air-vent valve be difficult to blockked up, will advance liquid and connect the mouth through the connecting block and couple together, thereby be convenient for dismantle the filtering component get off, and then be convenient for clear away the impurity on the filtering component.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a filtration of air-vent valve, is including the shaping entering liquid, valve body and play liquid as an organic whole in proper order, it has the mounting groove to open in the feed liquor, mounting groove and the coaxial setting of feed liquor, and the diameter of mounting groove is greater than the diameter of entering liquid, install filtering component in the mounting groove, it connects the mouth to advance to install on the liquid, the tip of connecting the mouth contacts with filtering component's tip, it is connected through the connecting block with connecting between the mouth to advance liquid, filtering component includes interconnect's outer screen cloth and interior screen cloth, outer screen cloth is installed in the mounting groove, interior screen cloth is installed in outer screen cloth.

Preferably, an inner clamping groove is formed in the outer screen, the inner screen is installed in the inner clamping groove, and the inner screen and the outer screen are coaxially arranged.

Preferably, the inner screen is provided with a plurality of inner meshes, the outer screen is provided with a plurality of outer meshes, and the diameters of the outer meshes are smaller than those of the inner meshes.

Preferably, be equipped with connecting thread on the surface of connecting the mouth, be equipped with the feed liquor screw thread on the surface of entering liquid, the connecting block respectively with connecting thread and feed liquor threaded connection.

Preferably, the connecting block includes outer section connector and interior section connector as an organic whole of shaping each other, the internal diameter of outer section connector is less than the internal diameter of interior section connector, the internal surface of outer section connector passes through connecting thread and is connected with the connector, the internal surface of interior section connector passes through the feed liquor screw thread and is connected with the feed liquor.

Further, still open the closed hole that the intercommunication was gone into liquid and was gone out liquid in the valve body, the closed hole is including the inclined hole and the vertical hole that communicate each other, vertical downthehole sealing plug of installing, vertical hole reciprocating can be followed to the sealing plug, still install the pressure regulating lid on the valve body, install pressure regulating spring between pressure regulating lid and sealing plug.

Preferably, the side surface of the closing plug is provided with a plurality of pressure regulating grooves in the inclined holes along the length direction, and the openings of the pressure regulating grooves are arranged in an upward inclined manner.

The utility model has the advantages as follows:

(1) the utility model discloses in can filter the impurity in the fluid through installing the filtering component in the feed liquor to make this air-vent valve be difficult to blockked up, will advance liquid and connect the mouth through the connecting block and couple together, thereby be convenient for dismantle the filtering component get off, and then be convenient for clear away the impurity on the filtering component.

(2) The utility model discloses in with interior screen cloth installation in interior draw-in groove, outer screen cloth is installed in the mounting groove, be convenient for like this to the installation of internal screen cloth and outer screen cloth, the fluid passes through outer screen cloth again through interior screen cloth earlier, because the diameter of outer mesh is less than the diameter of inner mesh, so the fluid is disposed of through the great impurity of inner screen cloth back diameter, and the less impurity of diameter is disposed of through outer screen cloth back, can be with the cleaner that the impurity in the fluid detached like this.

(3) The utility model discloses the internal surface of well outer section connector passes through connecting thread and is connected with the connector nozzle, the internal surface of inner section connector passes through feed liquor screw thread and feed liquor fluid coupling, when needs clear away the impurity on interior screen cloth and the outer screen cloth, can dismantle the connecting block from connecting the nozzle and advancing liquid, again with outer screen cloth from the mounting groove in getting out, get out in interior screen cloth follow interior draw-in groove, then clear up the impurity on interior screen cloth and the outer screen cloth, be convenient for like this clear up the impurity on interior screen cloth and the outer screen cloth more.

(4) In the utility model, the fluid enters the valve body from the liquid inlet and enters the inclined hole, and then enters the pressure regulating groove because the inclined hole is arranged obliquely, the fluid can provide a downward pressure for the pressure regulating plug, the pressure is mainly provided by the pressure regulating groove, when the pressure regulating plug is pressed, the pressure regulating plug can move downwards along the vertical hole, the pressure regulating spring can be compressed in the downward movement process of the pressure regulating plug, at the moment, a gap can be generated between the pressure regulating plug and the valve body, the fluid flows into the liquid outlet body through the gap and flows out from the liquid outlet body, the pressure regulating groove moves downwards along with the pressure regulating plug and enters the valve body, the number of the pressure regulating grooves in the inclined groove can be reduced, so that the pressure of the fluid applied to the pressure regulating plug can be smaller, after the pressure regulating plug moves downwards to a certain position, the pressure regulating plug can be balanced by the pressure of the fluid and the elasticity of the pressure regulating spring, and the pressure regulating plug can not move any more, therefore, fluid can flow through the valve body more smoothly, the pressure for opening the pressure regulating plug can be set by setting the number of the pressure regulating grooves in the inclined hole, and the pressure regulating valve can regulate the fluid more accurately.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the filter assembly of the present invention;

FIG. 3 is a schematic view of the outer screen of the present invention in a front sectional view;

FIG. 4 is a schematic view of the front cross-sectional structure of the connecting nozzle of the present invention;

FIG. 5 is a schematic view of the connecting block of the present invention in a front sectional view;

FIG. 6 is a schematic view of a partial front sectional view of the liquid inlet of the present invention;

reference numerals: 1 pressure regulating cover, 2 valve bodies, 3 connecting blocks, 31 outer section connecting bodies, 32 inner section connecting bodies, 4 connecting nozzles, 41 connecting threads, 5 filtering components, 51 inner screen meshes, 511 inner screen meshes, 52 outer screen meshes, 521 outer screen meshes, 522 inner clamping grooves, 6 liquid inlet, 61 liquid inlet threads, 7 inclined holes, 8 liquid outlet, 9 vertical holes, 10 sealing plugs, 11 pressure regulating springs and 12 pressure regulating grooves.

Detailed Description

For a better understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the following embodiments.

Example 1:

as shown in fig. 1-6, a filtering structure of pressure regulating valve, including the feed liquor 6 that the shaping is as an organic whole in proper order, valve body 2 and play liquid 8, it has the mounting groove to open in the feed liquor 6, the mounting groove sets up with feed liquor 6 is coaxial, and the diameter of mounting groove is greater than the diameter of feed liquor 6, install filtering component 5 in the mounting groove, install connector 4 on the feed liquor 6, the tip of connector 4 and the tip contact of filtering component 5, feed liquor 6 is connected through connecting block 3 with connector 4 within a definite time, filtering component 5 includes interconnect's outer screen cloth 52 and interior screen cloth 51, outer screen cloth 52 is installed in the mounting groove, interior screen cloth 51 is installed in outer screen cloth 52.

The working principle is as follows: when fluid enters the valve body 2 through the liquid inlet 6, the fluid firstly passes through the inner screen 51 and the outer screen 52, impurities in the fluid are filtered by the inner screen 51 and the outer screen 52 and then sequentially flows into the valve body 2 and the liquid outlet 8, and the fluid passes through the inner screen 51 and the outer screen 52, so that the pressure regulating valve is not easily blocked by the impurities, and the liquid inlet 6 and the connecting nozzle 4 are connected through the connecting block 3, so that the filtering component 5 is convenient to detach, and further the impurities on the filtering component 5 are convenient to remove.

Preferably, the outer screen 52 is provided with an inner clamping groove 522, the inner screen 51 is installed in the inner clamping groove 522, the inner screen 51 and the outer screen 52 are coaxially arranged, the inner screen 51 is provided with a plurality of inner mesh holes 511, the outer screen 52 is provided with a plurality of outer mesh holes 521, and the diameter of the outer mesh holes 521 is smaller than that of the inner mesh holes 511. The inner screen 51 is arranged in the inner clamping groove 522, the outer screen 52 is arranged in the mounting groove, so that the inner screen 51 and the outer screen 52 can be conveniently mounted, fluid passes through the inner screen 51 and then passes through the outer screen 52, impurities with larger diameters are removed after the fluid passes through the inner screen 51 because the diameter of the outer mesh 521 is smaller than that of the inner mesh 511, and impurities with smaller diameters are removed after the fluid passes through the outer screen 52, so that the impurities in the fluid can be removed more cleanly.

Preferably, be equipped with connecting thread 41 on the surface of connector 4, be equipped with feed liquor screw thread 61 on the surface of feed liquor 6, connecting block 3 is connected with connecting thread 41 and feed liquor screw thread 61 respectively, connecting block 3 includes outer section connector 31 and interior section connector 32 as an organic whole of shaping each other, the internal diameter of outer section connector 31 is less than the internal diameter of interior section connector 32, the internal surface of outer section connector 31 passes through connecting thread 41 and is connected with connector 4, the internal surface of interior section connector 32 passes through feed liquor screw thread 61 and is connected with feed liquor 6. When the impurity on interior screen cloth 51 and the outer screen cloth 52 is clear away to needs, can dismantle connecting block 3 from connector 4 and feed liquor 6, take out outer screen cloth 52 from the mounting groove again, take out interior screen cloth 51 from interior draw-in groove 522, then clear up the impurity on interior screen cloth 51 and the outer screen cloth 52, be convenient for like this clear up the impurity on interior screen cloth 51 and the outer screen cloth 52 more.

Example 2:

as shown in fig. 1, on the basis of the above embodiment 1, this embodiment provides a further, a closed hole communicating with the liquid inlet 6 and the liquid outlet 8 is further formed in the valve body 2, the closed hole includes an inclined hole 7 and a vertical hole 9 which are communicated with each other, a closed plug 10 is installed in the vertical hole 9, the closed plug 10 can move up and down along the vertical hole 9, a pressure regulating cover 1 is further installed on the valve body 2, a pressure regulating spring 11 is installed between the pressure regulating cover 1 and the closed plug 10, a plurality of pressure regulating grooves 12 located in the inclined hole 7 are formed in the side surface of the closed plug 10 along the length direction of the side surface, and openings of the pressure regulating grooves 12 are arranged in an upward inclined manner.

In this embodiment, the fluid enters the valve body 2 from the liquid inlet 6 and enters the inclined hole 7, and then enters the pressure regulating groove 12, because the inclined hole 7 is arranged obliquely, the fluid can provide a downward pressure to the pressure regulating plug, and the pressure is mainly provided by the pressure regulating groove 12, when the pressure regulating plug is provided with the pressure, the pressure regulating plug can move downwards along the vertical hole 9, the pressure regulating spring 11 can be compressed in the downward movement process of the pressure regulating plug, at this time, a gap can be generated between the pressure regulating plug and the valve body 2, the fluid can flow into the liquid outlet 8 through the gap and flow out from the liquid outlet 8, the pressure regulating groove 12 moves downwards along with the pressure regulating plug and enters the valve body 2, the number of the pressure regulating grooves 12 in the inclined groove can be reduced, so that the pressure of the fluid on the pressure regulating plug can be smaller, and after the pressure regulating plug moves downwards to a certain position, the pressure of the fluid on the pressure regulating plug and the elasticity of the pressure regulating spring 11 can be balanced, the pressure regulating plug does not move any more, so that fluid can flow through the valve body 2 more smoothly, the pressure for opening the pressure regulating plug can be set by setting the number of the pressure regulating grooves 12 in the inclined hole 7, and the adjustment of the pressure regulating valve on the fluid can be more accurate.

The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly illustrating the verification process of the present invention, and are not intended to limit the scope of the present invention, which is still subject to the claims.

Claims

1. The utility model provides a filtration of air-vent valve, is including forming into an organic whole in proper order advance liquid (6), valve body (2) and go out liquid (8), its characterized in that: it has the mounting groove to advance interior division of liquid (6), the mounting groove with advance liquid (6) coaxial setting, and the diameter of mounting groove is greater than the diameter of advancing liquid (6), install filtering component (5) in the mounting groove, it connects mouth (4) to install on liquid (6) to advance, the tip of connecting mouth (4) and the tip contact of filtering component (5), it is connected through connecting block (3) with connecting mouth (4) to advance liquid (6), filtering component (5) are including interconnect's outer screen cloth (52) and interior screen cloth (51), outer screen cloth (52) are installed in the mounting groove, interior screen cloth (51) are installed in outer screen cloth (52).

2. A filter structure of a pressure regulating valve according to claim 1, characterized in that: an inner clamping groove (522) is formed in the outer screen (52), the inner screen (51) is installed in the inner clamping groove (522), and the inner screen (51) and the outer screen (52) are coaxially arranged.

3. A filter structure of a pressure regulating valve according to claim 2, characterized in that: the inner screen (51) is provided with a plurality of inner screen holes (511), the outer screen (52) is provided with a plurality of outer screen holes (521), and the diameter of each outer screen hole (521) is smaller than that of each inner screen hole (511).

4. A filter structure of a pressure regulating valve according to claim 1, characterized in that: be equipped with connecting thread (41) on the surface of connector (4), be equipped with feed liquor screw thread (61) on the surface of entering liquid (6), connecting block (3) are connected with connecting thread (41) and feed liquor screw thread (61) respectively.

5. The filter structure of a pressure regulating valve according to claim 4, wherein: connecting block (3) are including outer section connector (31) and interior section connector (32) that the shaping is as an organic whole each other, the internal diameter of outer section connector (31) is less than the internal diameter of interior section connector (32), the internal surface of outer section connector (31) is connected with connector link (4) through connecting thread (41), the internal surface of interior section connector (32) is connected with feed liquor (6) through feed liquor screw thread (61).

6. A filter structure of a pressure regulating valve according to claim 1, characterized in that: still open the closed hole that has the intercommunication to advance liquid (6) and go out liquid (8) in valve body (2), closed hole is including inclined hole (7) and vertical hole (9) that communicate each other, install in vertical hole (9) and close stopper (10), vertical hole (9) can be followed in closed stopper (10) and reciprocate, still install on valve body (2) and transfer gland (1), install pressure regulating spring (11) between transfer gland (1) and closed stopper (10).

7. The filter structure of a pressure regulating valve according to claim 6, wherein: the side surface of the closing plug (10) is provided with a plurality of pressure regulating grooves (12) positioned in the inclined holes (7) along the length direction, and the openings of the pressure regulating grooves (12) are arranged in an upward inclined manner.