CN220668414U

CN220668414U - Automatic protection valve for water cut-off

Info

Publication number: CN220668414U
Application number: CN202321264847.1U
Authority: CN
Inventors: 陈康达; 陈政宇; 许光耀; 刘合君
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2024-03-26
Anticipated expiration: 2033-05-23

Abstract

The utility model relates to an automatic water-break protection valve, which comprises a shell, an upper cover, a lower cover and a push rod, wherein the shell is provided with a water inlet flow channel, a water outlet flow channel and a through hole for conducting the water inlet flow channel and the water outlet flow channel, the upper cover is arranged at the upper end of the shell and slides along the vertical direction of the shell, the push rod and the upper cover synchronously slide, the lower cover is arranged at the lower end of the shell, a sealing element is arranged in the shell in a sliding manner, a first reset element for resetting the sealing element to block the through hole towards the direction of the through hole is also arranged in the shell, the automatic water-break protection valve further comprises a second reset element for resetting the upper cover, and the push rod is driven to slide downwards to press the sealing element to conduct the water inlet flow channel and the water outlet flow channel after the second reset element resets the upper cover. By adopting the technical scheme, the utility model provides the automatic water-break protection valve which is arranged on the water pipe, when no water exists, the water pipe is blocked, even if the water tap is opened, no water flows out, and the water can normally flow out only after manual operation is needed.

Description

Automatic protection valve for water cut-off

Technical Field

The utility model relates to the technical field of valves, in particular to an automatic water-break protection valve.

Background

In daily life, water is stopped due to water shortage, water tank cleaning and the like. Some people can open the tap when cutting off water to can learn whether to come water fast, however people can forget to open tap, when getting water like this, do not close tap in time, can cause spreading of water, not only extravagant water, can bubble the furniture etc. moreover, can permeate to the downstairs resident under serious circumstances, cause other people to lose.

Disclosure of Invention

The purpose of the utility model is that: in order to overcome the defects of the prior art, the utility model provides the automatic water-break protection valve which is arranged on a water pipe, when no water exists, the water pipe is blocked, even if a tap is opened, no water flows out, and the water can normally flow out after manual operation is needed.

The technical scheme of the utility model is as follows: the utility model provides an automatic protection valve cuts off water supply, includes casing, upper cover, lower cover and ejector pin, be equipped with inlet channel, play water flow channel and switch on inlet channel and play water flow channel's through-hole on the casing, the upper cover set up in the casing upper end, and slide along the vertical direction of casing, ejector pin and upper cover slide in step, the lower cover set up the lower extreme at the casing, the casing slide and be equipped with the sealing member, ejector pin and sealing member set up respectively in the both sides of through-hole, still be equipped with in the casing and be used for to the first piece that resets of through-hole direction reset sealing member shutoff through-hole, still including the second piece that resets that is used for resetting the upper cover, drive the ejector pin to slide downwards and support the sealing member and slide to after the second resets the upper cover, inlet channel switches on with play water flow channel.

By adopting the technical scheme, after the water is cut off and the tap is opened, the water flow in the water pipe is empty, when no pressure exists, the first reset piece resets the sealing piece, the through hole is blocked, so that the water outlet flow channel and the water inlet flow channel are disconnected, even if water is supplied, the water cannot flow out in the opened state of the tap, the water is safer, when water is needed, the upper cover is pressed, the ejector rod is driven to move, the ejector rod is pressed against the sealing piece after being contacted with the sealing piece, the sealing piece moves downwards, the through hole is not blocked, the upper cover is loosened, the ejector rod and the upper cover return under the action of the second elastic piece, the water flows out of the through hole and enters the water outlet flow channel, the sealing piece cannot move upwards under the pressure of the water, the water inlet flow channel and the water outlet flow channel are always conducted, and the water outlet flow channel can be opened and closed by controlling the tap.

The utility model is further provided with: the shell is internally provided with a supporting seat in a sliding manner, a first sealing ring is arranged between the supporting seat and the shell, a containing cavity is formed in the supporting seat, the sealing piece is arranged in the containing cavity and can slide relative to the supporting seat, and the first resetting piece is arranged at the lower end of the supporting seat in a collision manner.

By adopting the further arrangement, the sealing element structure is more stable, water in the water inlet flow channel cannot enter into a space formed by the supporting seat, the shell and the lower cover due to the arrangement of the first sealing ring, the supporting seat is pushed to move downwards by the acting force of the water pressure intensity on the supporting seat against the elastic force of the first resetting element, and the sealing element is pressed against the through hole by the acting force on the sealing element, so that the water inlet flow channel is disconnected with the water outlet flow channel.

Still further, the present utility model provides: the lower cover is provided with an inner side wall and an outer side wall, the inner side wall and the outer side wall are arranged at intervals to form an installation cavity, the lower end of the shell is positioned in the installation cavity, the first resetting piece is positioned between the shell and the inner side wall, the lower end of the first resetting piece is abutted against the lower cover, and the upper end of the first resetting piece is abutted against the supporting seat.

Adopt above-mentioned still further setting, simple structure, and compact, the installation of being convenient for to make first setting element stable in structure, better reset supporting seat and sealing member.

Still further, the present utility model is provided with: the upper end of the shell is detachably connected with a base body, the upper cover is sleeved outside the base body in a sliding mode, the upper end of the ejector rod extends into the upper cover and is connected with the upper cover, the second reset piece is sleeved on the periphery of the ejector rod, one end of the second reset piece is abutted to the inner top wall of the upper cover, and the other end of the second reset piece is abutted to the base body.

Adopt above-mentioned still further setting, simple structure, easy dismounting, the upper cover passes through the screw and is connected with the ejector pin to be equipped with the blanking cover on the upper cover, cover the screw, it is more pleasing to the eye.

Still further, the present utility model is provided with: the shell is provided with a first cavity, the base is provided with a second cavity communicated with the water outlet flow passage and an opening for conducting the two cavities, the ejector rod is arranged in the two cavities in a sliding manner, and the ejector rod positioned in the first cavity is provided with a limiting boss.

By adopting the further arrangement, the setting of the limiting boss prevents the ejector rod from sliding out of the second cavity when the ejector rod is reset.

Still further, the present utility model is provided with: and a second sealing ring is arranged in the second cavity.

By adopting the above arrangement, water is prevented from flowing out of the second cavity.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present utility model after water is supplied;

FIG. 2 is a cross-sectional view of an embodiment of the present utility model with water cut-off closed;

FIG. 3 is a cross-sectional view of a water inlet flow channel and a water outlet flow channel in connection with an embodiment of the present utility model;

FIG. 4 is a schematic view of a lower cover according to an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of a housing according to an embodiment of the present utility model;

fig. 6 is an exploded view of the housing and the second seal ring according to an embodiment of the present utility model.

Detailed Description

The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indications (such as up, down, front, and rear … …) in the description of the present utility model are merely for explaining the relative positional relationship, movement, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. In the description of the present utility model, "a number" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.

As shown in fig. 1-6, an automatic water-break protection valve comprises a shell 1, an upper cover 2, a lower cover 3 and a push rod 4, wherein a water inlet flow channel 11, a water outlet flow channel 12 and a through hole 13 for conducting the water inlet flow channel 11 and the water outlet flow channel 12 are arranged on the shell 1, the upper cover 2 is arranged at the upper end of the shell 1 and slides along the vertical direction of the shell 1, the push rod 4 and the upper cover 2 slide synchronously, the lower cover 3 is arranged at the lower end of the shell 1, a sealing piece 5 is arranged in the shell 1 in a sliding manner, the push rod 4 and the sealing piece 5 are respectively arranged at two sides of the through hole 13, a first reset piece 6 for resetting the sealing piece 5 to the direction of the through hole 13 is further arranged in the shell 1, a second reset piece 7 for resetting the upper cover 2 is arranged, the reset piece adopts a spring or an elastic piece to drive the push rod 4 to slide downwards to press the sealing piece 5, after the upper cover 2 is reset by the second reset piece 7, the water inlet flow channel 11 is communicated with the water outlet flow channel 12, after water is cut off and the water faucet is opened, the water in the water pipe is empty, when no pressure exists, the sealing piece 5 is reset by the first reset piece 6, the through hole 13 is plugged, the water outlet flow channel 12 is disconnected with the water inlet flow channel 11, so that even if water is supplied, water cannot flow out in the opened state of the water faucet, the water is safer, when water is needed, the upper cover 2 is pressed, the ejector rod 4 is driven to move, the ejector rod 4 contacts with the sealing piece 5 and then presses the sealing piece 5, the sealing piece 5 moves downwards, the through hole 13 is not plugged any more, the upper cover 2 is loosened, the ejector rod 4 and the upper cover 2 return under the action of the second elastic piece 7, the water flows out of the through hole 13 into the water outlet flow channel 12, the sealing piece 5 is under the pressure of the water, the pressure of the water is 0.15-0.35 MPa, at the moment, the sealing piece 5 cannot move upwards, the water inlet flow passage 11 and the water outlet flow passage 12 are always communicated, and the water waste can be prevented by controlling the opening and closing of the faucet.

The inner sliding of the shell 1 is provided with a supporting seat 14, a first sealing ring 8 is arranged between the supporting seat 14 and the shell 1, the sealing ring 8 is a Y-shaped sealing ring, the supporting seat 14 is provided with a containing cavity 141, the sealing piece 5 is arranged in the containing cavity 141, the sealing piece 5 can slide relative to the supporting seat 14, the first resetting piece 6 is abutted against the lower end of the supporting seat 14, the sealing piece 5 is more stable in structure, water in the water inlet flow channel 11 cannot enter into a space formed by the supporting seat 14, the shell 1 and the lower cover 3 due to the arrangement of the first sealing ring 8, the supporting seat 14 is pushed to move downwards by the acting force of the water pressure on the supporting seat 14 by overcoming the elastic force of the first resetting piece 6, and the acting force on the sealing piece 5 is to push the sealing piece 5 to the position of the through hole 13, so that the water inlet flow channel 11 is disconnected from the water outlet flow channel 12. The lower cover 3 is provided with an inner side wall 31 and an outer side wall 32, the inner side wall 31 and the outer side wall 32 are arranged at intervals to form a mounting cavity 33, the lower end of the shell 1 is positioned in the mounting cavity 33, the first reset piece 6 is positioned between the shell 1 and the inner side wall 31, the lower end of the first reset piece is abutted against the lower cover 3, the upper end of the first reset piece is abutted against the supporting seat 14, the structure is simple and compact, the installation is convenient, the first reset piece 6 is stable in structure, and the supporting seat 14 and the sealing piece 5 are reset better.

The detachable pedestal 10 that is connected with in casing 1 upper end, pedestal 10 adopts threaded connection with casing 1, is equipped with ring seal between pedestal and the casing, and upper cover 2 slip cap is established outside pedestal 10, ejector pin 4 upper end extends to in the upper cover 2 to be connected with upper cover 2, second reset piece 7 cover is established in ejector pin 4 periphery, and one end conflict sets up on the interior roof of upper cover 2, and the other end is contradicted on pedestal 10, simple structure, easy dismounting, upper cover 2 passes through the screw and is connected with ejector pin 4 to be equipped with blanking cap 21 on upper cover 2, cover the screw, it is more pleasing to the eye. The shell 1 is provided with a first cavity 15, the base 10 is provided with a second cavity 101 communicated with the water outlet flow channel 12 and an opening 102 for conducting the two cavities, the ejector rod 4 is slidably arranged in the two cavities, the ejector rod 4 positioned in the first cavity 15 is provided with a limiting boss 41, and the limiting boss 41 prevents the ejector rod 4 from sliding out of the second cavity 101 when the ejector rod 4 is reset. Be equipped with second sealing washer 9 in the second cavity 101, second sealing washer 9 adopts the J shape sealing washer to set gradually gasket 100 and clamping ring 200 in sealing washer 9 top, fix sealing washer 9, prevent that it from sliding, sealed effect is better, prevents that water from flowing out from second cavity 101, and in order to make second reset piece 7 structure more stable, be equipped with recess 201 on the clamping ring 200, second reset piece 7 lower extreme is located recess 201.

Claims

1. The utility model provides an automatic protection valve cuts off water supply, its characterized in that, including casing (1), upper cover (2), lower cover (3) and ejector pin (4), be equipped with inlet channel (11), play water runner (12) and switch on through-hole (13) of inlet channel (11) and play water runner (12) on casing (1), upper cover (2) set up in casing (1) upper end, and slide along the vertical direction of casing (1), ejector pin (4) slide with upper cover (2) in step, lower cover (3) set up the lower extreme at casing (1), the casing (1) sliding be equipped with sealing member (5), ejector pin (4) and sealing member (5) set up the both sides at through-hole (13) respectively, still be equipped with in casing (1) and be used for resetting first piece (6) that reset sealing member (5) shutoff through-hole (13) to through-hole (13) direction, still including being used for resetting second piece (7) that reset upper cover (2), drive ejector pin (4) slide in step and reset (7) and reset on second flow channel (12) and go out water runner (11).

2. The automatic water-break protection valve according to claim 1, characterized in that a supporting seat (14) is slidably arranged in the casing (1), a first sealing ring (8) is arranged between the supporting seat (14) and the casing (1), a containing cavity (141) is arranged on the supporting seat (14), the sealing piece (5) is arranged in the containing cavity (141), the sealing piece (5) can slide relative to the supporting seat (14), and the first resetting piece (6) is arranged at the lower end of the supporting seat (14) in a propping mode.

3. The automatic water-break protection valve according to claim 2, wherein the lower cover (3) is provided with an inner side wall (31) and an outer side wall (32), the inner side wall and the outer side wall are arranged at intervals to form a mounting cavity (33), the lower end of the housing (1) is positioned in the mounting cavity (33), the first reset piece (6) is positioned between the housing (1) and the inner side wall (31), the lower end is abutted against the lower cover (3), and the upper end is abutted against the supporting seat (14).

4. The automatic water-break protection valve according to claim 1, 2 or 3, wherein the upper end of the housing (1) is detachably connected with a seat body (10), the upper cover (2) is slidably sleeved on the periphery of the seat body (10), the upper end of the ejector rod (4) extends into the upper cover (2) and is connected with the upper cover (2), the second reset piece (7) is sleeved on the periphery of the ejector rod (4), one end of the second reset piece is abutted against the inner top wall of the upper cover (2), and the other end of the second reset piece is abutted against the seat body (10).

5. The automatic water-break protection valve according to claim 4, wherein the housing (1) is provided with a first cavity (15) communicated with the water outlet flow channel (12), the seat (10) is provided with a second cavity (101) and an opening (102) for conducting the two cavities, the ejector rod (4) is slidably arranged in the two cavities, and the ejector rod (4) positioned in the first cavity (15) is provided with a limit boss (41).

6. The automatic water-break protection valve according to claim 5, characterized in that a second sealing ring (9) is arranged in the second cavity (101).