CN213982095U - Push type water drain valve - Google Patents

Abstract

The utility model relates to the technical field of valves, especially, relate to push type valve that drains. A press type water drain valve comprises a connecting seat, a valve cover and a valve core assembly, wherein the connecting seat is connected with the valve cover, the valve core assembly is partially arranged in the valve cover and the connecting seat and can move along the axis of the connecting seat, one end of the valve core assembly extends out of the valve cover, and an outlet is formed in the valve cover; the valve core assembly is provided with a water inlet hole and a water drain hole which are communicated with each other, the water drain hole is communicated with the outlet, and when the valve core assembly is pressed, the valve core assembly moves towards the direction far away from the valve cover and the water inlet hole is positioned outside the connecting seat; the push type water drain valve further comprises an elastic piece, and when the valve core assembly is loosened, the elastic piece can act on the valve core assembly and enable the valve core assembly to reset. The utility model has the advantages that: realize that the push type drains, self-closing can the water economy resource.

Description

Push type water drain valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to push type valve that drains.

Background

The water drain valve is usually installed in heating systems such as a wall-mounted furnace and an expansion tank, and because the heating systems can generate a large amount of air in the operation process, the air volume is large, the space in a pipeline is occupied, the heating efficiency is reduced, and the water drain valve plays a role in draining water or exhausting and the like and also plays a role in draining sewage.

The existing water drain valve can be opened or closed only by manually screwing, and after water is drained, an operator often forgets to close the water drain valve, so that water resource waste is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a push type valve that drains, technical scheme is as follows:

a press type water drain valve comprises a connecting seat, a valve cover and a valve core assembly, wherein the connecting seat is connected with the valve cover, the valve core assembly is partially arranged in the valve cover and the connecting seat and can move along the axis of the connecting seat, one end of the valve core assembly extends out of the valve cover, and an outlet is formed in the valve cover; the valve core assembly is provided with a water inlet hole and a water drain hole which are communicated with each other, the water drain hole is communicated with the outlet, and when the valve core assembly is pressed, the valve core assembly moves towards the direction far away from the valve cover and the water inlet hole is positioned outside the connecting seat; the push type water drain valve further comprises an elastic piece, and when the valve core assembly is loosened, the elastic piece can act on the valve core assembly and enable the valve core assembly to reset.

So set up, when needs are turned on the water, can press to the case subassembly and turn on the water, after the drainage, loosen the case subassembly, the case subassembly can automatic re-setting, the push type valve self-closing that turns on the water need not the operating personnel operation, can avoid operating personnel to forget the waste of closing the valve and leading to the water resource.

In one embodiment, the valve core assembly comprises a push rod and a return seat, one end of the push rod extends out of the valve cover, the other end of the push rod is connected with the return seat, the water inlet hole is formed in the return seat, and the water outlet hole is formed in the push rod; the return seat is provided with a first groove communicated with the water inlet hole, the push rod is internally provided with a second groove communicated with the drain hole, and the first groove is communicated with the second groove.

So set up, the intercommunication of first recess and second recess can be for providing the passageway from the water that the inlet opening got into.

In one embodiment, the push rod is abutted against the return seat, the end face of the notch of the first groove is attached to the end face of the notch of the second groove, and the inner diameter of the first groove is equal to that of the second groove.

By such arrangement, the flow area of water can be increased, and the flow resistance of water can be reduced.

In one embodiment, a guide part is arranged in the valve cover, the guide part is connected to one end of the valve cover, which is far away from the connecting seat, and part of the valve core assembly is arranged in the guide part in a penetrating way; the push rod is close to the one end of replying the seat is equipped with the boss, the boss can with the guide part orientation reply the terminal surface butt of the one end of seat.

So set up, play direction and supporting role to the push rod, the boss plays limiting displacement to the push rod.

In one embodiment, a sixth sealing groove is formed in one end, away from the valve cover, of the return seat, a sixth sealing element is arranged in the sixth sealing groove, and the sixth sealing element can be abutted against the end face, away from the end of the valve cover, of the connecting seat.

So set up, not only can play sealed effect to the connecting seat, still play limiting displacement to the case subassembly.

In one embodiment, a fourth sealing groove is formed in the inner wall of one end, away from the push rod, of the connecting seat, a fourth sealing element is arranged in the fourth sealing groove, and the fourth sealing element is abutted against the outer side wall of the return seat; the outer side wall of one end, close to the push rod, of the recovery seat is provided with a fifth sealing groove, a fifth sealing element is arranged in the fifth sealing groove, the fifth sealing element is abutted to the inner wall of the connecting seat, and the elastic element is arranged between the fourth sealing groove and the fifth sealing groove.

So set up, can guarantee that the performance of elastic component does not receive the influence of water.

In one embodiment, the number of the water inlet holes is multiple, and the multiple water inlet holes are uniformly distributed along the circumferential direction of the return seat; and/or the plurality of the water drainage holes are uniformly distributed along the circumferential direction of the push rod.

So set up, can increase the inflow.

In one embodiment, an outer peripheral side of the connecting seat is provided with a matching portion, an inner side wall of the valve cover is provided with a positioning portion, and the positioning portion is matched with the matching portion so that the valve cover can rotate relative to the connecting seat.

So set up, the valve gap can carry out 360 rotations relative to the connecting seat, and operating personnel can adjust the direction of drainage wantonly, does not receive the influence of installation direction.

In one embodiment, one end of the connecting seat, which is close to the valve cover, is chamfered, and the positioning part or the matching part is chamfered on one side, which is close to the water inlet hole.

So set up, play the guide effect to the installation of connecting seat.

In one embodiment, the valve cap includes a body, one side of the body extends towards a central axis far away from the body to form an extension portion, the body has a first inner cavity therein, and the extension portion has a flow passage therein, and the flow passage is respectively communicated with the first inner cavity and the outlet.

Compared with the prior art, the utility model provides a push type valve that drains through setting up the inlet opening on the case subassembly, when pressing the case subassembly, the inlet opening exposes outside the mount pad, and in water got into the inlet opening, discharged from the wash port, the elastic component can make case subassembly automatic re-setting, after the drainage, operating personnel loosened the case subassembly, and the case subassembly resets, and the inlet opening retracts in the mount pad, realizes the self-closing of push type valve that drains, can avoid the waste of water resource.

Drawings

Fig. 1 is a cross-sectional view of the pressing type water drain valve provided by the present invention in a water drain state;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of a pressing manner of the pressing type water drain valve;

FIG. 4 is a cross-sectional view of the push type water drain valve in a closed state;

FIG. 5 is a perspective view of the push type water drain valve;

fig. 6 is a sectional view of the connecting socket;

FIG. 7 is a schematic structural view of a recovering seat;

FIG. 8 is a cross-sectional view of the return block;

fig. 9 is a cross-sectional view of the valve cover.

The symbols in the drawings represent the following meanings:

100. a pressing type water drain valve; 10. a valve cover; 101. a body; 102. an extension portion; 1021. a flow channel; 11. a first lumen; 12. an outlet; 13. a first seal groove; 14. a first seal member; 15. a positioning part; 16. a guide portion; 20. a connecting seat; 21. a second lumen; 22. a fitting portion; 23. positioning the projection; 24. a second seal groove; 25. a second seal member; 26. a third seal groove; 27. a third seal member; 28. a fourth seal groove; 29. a fourth seal member; 30. a valve core assembly; 31. a push rod; 311. a drain hole; 312. a second groove; 32. a return seat; 321. a water inlet hole; 323. an elastic member; 324. a first groove; 325. a fifth seal groove; 326. a fifth seal member; 327. a sixth seal groove; 328. a sixth seal member; 329. and (4) a boss.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 9, the present invention provides a push type water drain valve 100, which is installed in a heating system such as a wall-hanging stove and an expansion tank, and is used for draining water, exhausting air, discharging sewage, etc. in the heating system.

Specifically, referring to fig. 1 to 5, the pressing type drain valve 100 includes a valve cover 10, a connecting seat 20 and a valve core assembly 30, the valve cover 10 has a first inner cavity 11 therein, the valve cover 10 has an outlet 12, the outlet 12 is communicated with the first inner cavity 11, the connecting seat 20 is connected to the valve cover 10, the valve core assembly 30 is partially disposed in the connecting seat 20 and penetrates through the valve cover 10, one end of the valve core assembly 30 extends out of the valve cover 10 for an operator to press, the other end of the valve core assembly 30 extends into the connecting seat 20 and penetrates through the connecting seat 20 and extends out of the connecting seat 20, and the valve core assembly 30 can move along an axial direction of the pressing type drain valve 100.

The valve cap 10 is partially connected with the body 101 and the extension portion 102, the first inner cavity 11 is arranged in the body 101, the body 101 extends towards one side away from the central axis of the body 101 to form the extension portion 102, so that the cross section of the valve cap 10 is 7-shaped, the extension portion 102 is internally provided with a flow passage 1021, and the flow passage 1021 is communicated with the first inner cavity 11 and the outlet 12.

The valve core assembly 30 is provided with a water inlet 321 and a water outlet 311, the water outlet 311 is communicated with the water inlet 321, the water outlet 311 is communicated with the outlet 12, the press type water drain valve 100 further comprises an elastic member 323, when the valve core assembly 30 is pressed, one end of the valve core assembly 30 extends out of the connecting seat 20, the water inlet 321 is exposed out of the connecting seat 20, water enters the water inlet 321 and is discharged from the outlet 12 through the water outlet 311, and when an installer loosens the valve core assembly 30, the elastic member 323 acts on the valve core assembly 30, and the valve core assembly 30 is reset. So set up, when needing the drainage, operating personnel presses down valve core subassembly 30, and the wash port 311 stretches out outside the connecting seat 20, carries out the drainage, and after the drainage, unclamps valve core subassembly 30, and valve core subassembly 30 can automatic re-setting, and then push type valve 100 that drains is closed, can not cause the waste of water resource.

A first sealing groove 13 is formed in the valve cover 10, a first sealing element 14 is arranged in the first sealing groove 13, and the first sealing element 14 abuts against the outer side wall of the valve core assembly 30, so that the valve cover 10 is connected with the valve core assembly 30 in a sealing mode.

The inner wall of valve gap 10 is equipped with location portion 15, and the lateral wall of connecting seat 20 is equipped with cooperation portion 22, and location portion 15 and cooperation portion 22 cooperation to make valve gap 10 and connecting seat 20 rotatably be connected, valve gap 10 can carry out 360 rotations, does not receive the influence of installation direction when making things convenient for the drainage.

In one embodiment, the inner wall of the valve cover 10 is provided with an annular protrusion to form the positioning portion 15, the outer side wall of the connecting seat 20 is provided with an annular groove to form the engaging portion 22, the annular protrusion is disposed in the annular groove, and the valve cover 10 is rotatably connected with the connecting seat 20 by the engagement of the annular protrusion and the annular groove. In another embodiment, the inner wall of the valve cover 10 is opened with an annular groove to form the fitting portion 22, and the outer side wall of the connection seat 20 is opened with an annular protrusion to form the positioning portion 15.

The valve cover 10 is provided with a guide portion 16, the guide portion 16 is arranged in the first inner cavity 11 and is connected with one end of the valve cover 10 far away from the connecting seat 20, the valve core assembly 30 is partially arranged in the guide portion 16 in a penetrating manner, the inner wall of the guide portion 16 is abutted against the outer wall of the valve core assembly 30, the guide portion 16 plays a role in guiding and supporting the movement of the valve core assembly 30, and the first sealing groove 13 is arranged in the guide portion 16.

The guide portion 16 is tapered, and the outer diameter of the guide portion 16 is gradually reduced toward an end near the coupling seat 20 to increase the space of the first inner chamber 11, thereby increasing the amount of discharged water.

Referring to fig. 2 and 9, one side of the positioning portion 15 or the matching portion 22 away from the first sealing groove 13 is chamfered, that is, the side of the annular protrusion away from the first sealing groove 13 is an inclined surface, and one end of the connecting seat 20 close to the valve cover 10 is chamfered, so that when the connecting seat 20 is installed in the valve cover 10, the chamfer of the connecting seat 20 and the chamfer of the annular protrusion guide the installation of the connecting seat 20, the installation is facilitated, and the annular protrusion can be smoothly clamped into the annular groove.

The lateral wall of connecting seat 20 is equipped with location arch 23, and location arch 23 extends towards keeping away from connecting seat 20 axis direction, and location arch 23 encircles the lateral wall setting of connecting seat 20, and valve gap 10 supports and leans on location arch 23, and location arch 23 is used for the location installation of valve gap 10.

Referring to fig. 5, the outer side surface of the positioning protrusion 23 is a hexagonal surface, which facilitates the installation of the push-type drain valve 100.

Referring to fig. 6, a second sealing groove 24 is formed on an outer side wall of the connecting seat 20, a second sealing member 25 is disposed in the second sealing groove 24, and the second sealing member 25 abuts against an inner wall of the valve cover 10, so that the connecting seat 20 and the valve cover 10 are hermetically connected.

A third sealing groove 26 is further formed in an outer side wall of the connecting seat 20, a third sealing member 27 is not disposed in the third sealing groove 26, the third sealing member 27 abuts against an outer side wall of the positioning protrusion 23, and the third sealing member 27 abuts against an inner wall of a valve body (not shown) so that the connecting seat 20 is connected with the valve body in a sealing manner.

A fourth sealing groove 28 is formed in the inner side wall of one end, away from the valve cover 10, of the connecting seat 20, a fourth sealing element 29 is arranged in the fourth sealing groove 28, and the fourth sealing element 29 abuts against the outer side wall of the valve core assembly 30; a fifth sealing groove 325 is formed in the outer side wall of one end of the valve core assembly 30, a fifth sealing element 326 is arranged in the fifth sealing groove 325, the fifth sealing element 326 abuts against the inner wall of the connecting seat 20, so that the valve core assembly 30 is hermetically connected with the mounting seat, and the fourth sealing element 29, the fifth sealing element 326, the valve core assembly 30 and the connecting seat 20 form a second inner cavity 21.

One end of the elastic member 323 abuts against the outer wall of the fourth seal groove 28, and the other end abuts against the outer wall of the fifth seal groove 325. In this embodiment, the elastic member 323 is a spring, and in other embodiments, the elastic member 323 may also be a bellows or other elastic member capable of being restored. The fifth and fourth sealing members 326 and 29 prevent water from entering the second cavity 21, thereby ensuring the performance of the elastic member 323.

The valve core assembly 30 comprises a push rod 31 and a return seat 32, a part of the push rod 31 is arranged in the first inner cavity 11, a part of the push rod 31 can extend into the connecting seat 20, and one end of the push rod 31, which is far away from the connecting seat 20, extends out of the valve cover 10 for being pressed by an operator; the return seat 32 is arranged in the connecting seat 20 and connected with the push rod 31, and the push rod 31 can drive the return seat 32 to move along the axial direction of the valve core assembly 30; the drain hole 311 is opened on the push rod 31, the water inlet 321 is opened on the recovery base 32, the drain hole 311 is communicated with the water inlet 321, when the push rod 31 is pressed, the portion of the recovery base 32 provided with the water inlet 321 can extend out of the connecting base 20, water enters from the water inlet 321, flows into the outlet 12 from the drain hole 311 and is discharged from the outlet 12, the elastic member 323 is arranged outside the recovery base 32, and when the push rod 31 is released, the elastic member 323 is used for resetting the recovery base 32.

In this embodiment, the push rod 31 abuts against the connecting seat 20, and in other embodiments, the push rod 31 and the connecting seat 20 may be integrated, or may be separated and connected by welding, clamping, or the like.

The cross section of inlet opening 321 is circular, and inlet opening 321 is a plurality of, and a plurality of inlet openings 321 evenly set up along the circumference of replying seat 32, and a plurality of inlet openings 321 can increase the inflow. In this embodiment, the inlet openings 321 are two, and two inlet openings 321 are symmetrically disposed with respect to the axis of the return base 32, in other embodiments, the inlet openings 321 may also be three, four or more, and the present invention is not limited thereto.

The cross section of the drain hole 311 is circular, the number of drain holes 311 is plural, the plurality of drain holes 311 are uniformly arranged along the circumferential direction of the push rod 31, and the plurality of drain holes 311 can increase the amount of water to be drained. In this embodiment, there are two drainage holes 311, and the two drainage holes 311 are symmetrically disposed with respect to the axis of the push rod 31, in other embodiments, the drainage holes 311 may also be three, four or more, which is not limited by the present invention.

The push rod 31 is provided with a second groove 312, the second groove 312 is communicated with the water discharge hole 311, the recovery base 32 is provided with a first groove 324, and the first groove 324 is communicated with the water inlet 321.

The notches of the first and second grooves 324 and 312 are disposed opposite to each other, and the end surfaces of the notches of the first and second grooves 324 and 312 are disposed in a manner of being attached to each other, so that the first and second grooves 324 and 312 are communicated with each other, the first and second grooves 324 and 312 are isolated from the second inner cavity 21, and the inner diameter of the first groove 324 is equal to the inner diameter of the second groove 312, so as to reduce the flow resistance of water. When water needs to be drained, water enters the first groove 324 from the water inlet 321, enters the second groove 312, exits from the water outlet 311, enters the first inner cavity 11, and is drained from the outlet 12.

If the sixth sealing member 328 described below fails, the boss 329 can abut against the end surface of the guide portion 16 facing the connecting seat 20 to prevent the thrust rod 31 from slipping out of the valve cover 10.

Referring to fig. 7 and 8, a sixth sealing groove 327 is formed in an end of the return seat 32 away from the push rod 31, a sixth sealing element 328 is disposed in the sixth sealing groove 327, the sixth sealing element 328 abuts against an end surface of the return seat 32 away from the push rod 31, the sixth sealing element 328 not only has a sealing effect, but also has a limiting effect when the push-type water drain valve 100 is closed by the cooperation of the sixth sealing element 328 and the end surface of the return seat 32.

In the working process, the push rod 31 is pressed, the push rod 31 pushes the restoring seat 32 to move along the axial direction, so that the water inlet 321 on the restoring seat 32 is positioned outside the connecting seat 20, water enters the first groove 324 from the water inlet 321, flows into the second groove 312 from the first groove 324, flows into the water outlet 311 from the second groove 312, and then enters the first inner cavity 11 to flow out from the outlet 12, after the water is drained, after an operator releases the push rod 31, the elastic piece 323 can reset the restoring seat 32, the pressing type water drain valve 100 is automatically closed, and the problem that the operator forgets to close the valve to cause water resource waste can be avoided.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A push type water drain valve comprises a connecting seat (20), a valve cover (10) and a valve core assembly (30), wherein the connecting seat (20) is connected with the valve cover (10), the valve core assembly (30) is partially arranged in the valve cover (10) and the connecting seat (20) and can move along the axis of the connecting seat (20), one end of the valve core assembly (30) extends out of the valve cover (10), and an outlet (12) is formed in the valve cover (10);

the valve core assembly (30) is provided with a water inlet hole (321) and a water outlet hole (311) which are communicated with each other, the water outlet hole (311) is communicated with the outlet (12), and when the valve core assembly (30) is pressed, the valve core assembly (30) moves towards the direction far away from the valve cover (10) and the water inlet hole (321) is positioned outside the connecting seat (20); the push type water drain valve further comprises an elastic piece (323), and when the valve core assembly (30) is released, the elastic piece (323) can act on the valve core assembly (30) and reset the valve core assembly (30).

2. The push type water drain valve according to claim 1, wherein the valve core assembly (30) comprises a push rod (31) and a return seat (32), one end of the push rod (31) extends out of the valve cover (10), the other end of the push rod is connected to the return seat (32), the water inlet hole (321) is formed in the return seat (32), and the water outlet hole (311) is formed in the push rod (31); the recovery base (32) is provided with a first groove (324) communicated with the water inlet hole (321), the push rod (31) is provided with a second groove (312) communicated with the water outlet hole (311), and the first groove (324) is communicated with the second groove (312).

3. The push type water drain valve according to claim 2, wherein the push rod (31) abuts against the return seat (32), the end surface of the notch of the first groove (324) is abutted against the end surface of the notch of the second groove (312), and the inner diameter of the first groove (324) is equal to the inner diameter of the second groove (312).

4. The push type water drain valve according to claim 2, wherein a guide portion (16) is disposed in the valve cover (10), the guide portion (16) is connected to an end of the valve cover (10) away from the connecting seat (20), and a portion of the valve core assembly (30) is inserted into the guide portion (16); a boss (329) is arranged at one end, close to the recovery seat (32), of the push rod (31), and the boss (329) can be abutted against the end face, facing one end of the recovery seat (32), of the guide part (16).

5. The push type water drain valve according to claim 2, wherein a sixth sealing groove (327) is formed in one end, away from the valve cover (10), of the return seat (32), a sixth sealing element (328) is arranged in the sixth sealing groove (327), and the sixth sealing element (328) can abut against an end face of one end, away from the valve cover (10), of the connecting seat (20).

6. The push type water drain valve according to claim 2, wherein a fourth sealing groove (28) is formed in an inner wall of one end of the connecting seat (20) away from the push rod (31), a fourth sealing element (29) is arranged in the fourth sealing groove (28), and the fourth sealing element (29) abuts against an outer side wall of the return seat (32); the outer side wall of one end, close to the push rod (31), of the recovery seat (32) is provided with a fifth sealing groove (325), a fifth sealing element (326) is arranged in the fifth sealing groove (325), the fifth sealing element (326) is abutted to the inner wall of the connecting seat (20), and the elastic element (323) is arranged between the fourth sealing groove (28) and the fifth sealing groove (325).

7. The push type water drain valve according to claim 2, wherein the number of the water inlet holes (321) is plural, and the plural water inlet holes (321) are uniformly distributed along the circumferential direction of the return seat (32); and/or the number of the drainage holes (311) is multiple, and the drainage holes (311) are uniformly distributed along the circumferential direction of the push rod (31).

8. The push type water drain valve according to claim 1, wherein an outer peripheral side of the connecting seat (20) is provided with a fitting portion (22), an inner side wall of the valve cover (10) is provided with a positioning portion (15), and the positioning portion (15) is fitted with the fitting portion (22) so that the valve cover (10) can rotate relative to the connecting seat (20).

9. The push type water drain valve according to claim 8, wherein one end of the connecting seat (20) adjacent to the valve cover (10) is chamfered, and one side of the positioning portion (15) or the fitting portion (22) adjacent to the water inlet hole (321) is chamfered.

10. The push type water drain valve according to claim 1, wherein the valve cover (10) comprises a body (101), one side of the body (101) extends towards a central axis far away from the body (101) to form an extension portion (102), the body (101) has a first inner cavity (11) therein, the extension portion (102) has a flow passage (1021) therein, and the flow passage (1021) is respectively communicated with the first inner cavity (11) and the outlet (12).

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