CN216948552U

CN216948552U - Negative pressure suppressor for water supply pressure tank

Info

Publication number: CN216948552U
Application number: CN202220649447.1U
Authority: CN
Inventors: 李华亮; 张玉娟
Original assignee: Shandong Weiquan Electronic Technology Co ltd
Current assignee: Shandong Weiquan Electronic Technology Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-12
Anticipated expiration: 2032-03-24

Abstract

The utility model relates to the technical field of water supply equipment, in particular to a negative pressure suppressor for a water supply pressure tank, which comprises a supporting box, a supporting ring, a sliding plate and a blocking film, wherein the left part of the top end of the inner wall of the supporting box and the right part of the top end of the inner wall are both connected with a fixed plate, the left end and the right end of the sliding plate are both attached to opposite ends of the corresponding fixed plate, the upper part and the lower part of each fixed plate are both connected with convex plates, one end of each convex plate, which is close to the sliding plate, is provided with a proximity sensor, the four corners of the top end and the four corners of the bottom end of the sliding plate are both connected with supporting shafts, one end of each fixed plate, which is close to the sliding plate, is connected with a positioning pipe, each supporting shaft is inserted into the corresponding positioning pipe, one end of each supporting shaft, which is far away from the sliding plate, is connected with a vent pipe, and the middle part of the vent pipe is provided with an electric control valve, the negative pressure suppressor has better pressure regulating effect, the induction effect is improved, and the maintenance is convenient.

Description

Negative pressure suppressor for water supply pressure tank

Technical Field

The utility model relates to the technical field of water supply equipment, in particular to a negative pressure suppressor for a water supply pressure tank.

Background

Community's water supply is people domestic water's important project, current water supply mode, mostly transmit through pipeline and holding vessel, however at the water delivery in-process, can produce partial negative pressure at the transmission part along with the flow of water, the flow that causes water can produce the abnormal sound and can produce vibrations in transmission equipment department to pipeline and holding tube, influence the not hard up of installation department, can influence the stability of equipment position and the fastness of installation after the transmission portion is become flexible for a long time, and frequent production abnormal sound can produce the noise, cause the influence to the crowd life on every side, and current vacuum suppressor is mostly closed, the junction of response department and mediation department is comparatively closed, it is comparatively inconvenient to overhaul.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the negative pressure suppressor for the water supply pressure tank, which has the advantages of better pressure regulating effect, induction effect improvement and convenience in maintenance.

In order to achieve the purpose, the utility model provides the following technical scheme: a negative pressure suppressor for a water supply pressure tank comprises a support box, wherein a support ring is connected to the inner wall of the support box, a sliding plate is arranged on the upper side of the support ring, the front end and the rear end of the sliding plate are tightly attached to the inner wall of the support box, a through hole is formed in the middle of the sliding plate, a blocking film is connected to the inner wall of the sliding plate, fixed plates are connected to the left portion of the top end and the right portion of the top end of the inner wall of the support box respectively, the left end and the right end of the sliding plate are tightly attached to opposite ends of the corresponding fixed plates respectively, the support box is divided into two cavities by the sliding plate, a convex plate is connected to the upper portion and the lower portion of each fixed plate, a proximity sensor is installed at one end, close to the sliding plate, of each convex plate, a support shaft is connected to the four-corner position area of the top end and the four-corner position area of the bottom end of the sliding plate respectively, a positioning pipe is connected to one end, close to the sliding plate, of each fixed plate, each support shaft is inserted into the corresponding positioning pipe, one end of each support shaft, which is far away from the sliding plate, is connected with a spring, the right end of the support box is connected with a vent pipe, and the middle part of the vent pipe is provided with an electric control valve.

Furthermore, the top intercommunication of supporting the box has the extension pipe, the butterfly valve is installed on the top of extension pipe.

Preferably, the upper part of the support ring is slidably fitted with a frame plate, and the top end of the frame plate is connected with the bottom ends of the two fixing plates on the lower side.

For improving the protection effect to the inside of the supporting box, the bottom of the supporting box is fixedly connected with a protective net.

In order to monitor the water level conveniently, a water level sensor is installed at the bottom of the inner wall of the supporting box.

In order to facilitate automatic control, a controller is installed on the outer wall of the breather pipe, the electric control valve is electrically connected with the controller, and each proximity sensor is electrically connected with the controller.

Compared with the prior art, the utility model provides a negative pressure suppressor for a water supply pressure tank, which has the following beneficial effects:

this negative pressure inhibitor for water supply overhead tank, install on the water storage tank of water delivery department through supporting the box, produce negative pressure or pressure variation in inside and increase the back, pressure can drive fender membrane upwards or move down, and then drive the sliding plate and trigger proximity sensor, proximity sensor transmission signal gives the device of control electric control valve, the back is opened to electric control valve, make inside external gas get into the water delivery passageway, and then make pressure recovery normal, and when the maintenance, can maintain induction portion and proximity sensor department respectively, the dismouting is comparatively convenient, when the inside response part of box is supported in the maintenance, the regulation of accessible control electric control valve department realization pressure, it is better to reach the pressure regulating effect, improve the response effect, convenient to overhaul's effect.

Drawings

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

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

FIG. 3 is a schematic top view of the supporting box, the membrane and the fixing plate of the present invention;

fig. 4 is a schematic top view of the support case, the sliding plate, the barrier film and the fixing plate according to the present invention.

The symbols in the drawings illustrate that:

1. a support box; 2. a sliding plate; 3. blocking the membrane; 4. a fixing plate; 5. a proximity sensor; 6. a convex plate; 7. a positioning tube; 8. a spring; 9. a support shaft; 10. a support ring; 11. a frame plate; 12. a water level sensor; 13. a protective net; 14. a breather pipe; 15. an electrically controlled valve; 16. a controller; 17. an extension pipe; 18. butterfly valves.

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.

Example (b):

referring to fig. 1-4, a negative pressure suppressor for a water supply pressure tank comprises a support box 1, a support ring 10 is fixedly connected to the inner wall of the support box 1, a sliding plate 2 is arranged on the upper side of the support ring 10, the front end and the rear end of the sliding plate 2 are both tightly attached to the inner wall of the support box 1, a through hole is arranged in the middle of the sliding plate 2, a barrier film 3 is fixedly connected to the inner wall of the sliding plate 2, the barrier film 3 is a polyester film, a fixed plate 4 is connected to the left part of the top end of the inner wall and the right part of the top end of the inner wall of the support box 1 through screws, the left end and the right end of the sliding plate 2 are both tightly attached to the opposite ends of the corresponding fixed plate 4, the support box 1 is divided into two cavities by the sliding plate 2, an elastic sealing gasket can be arranged on the side wall of the sliding plate 2, and no gap is formed between the support box 1 and the fixed plate 4 and the sliding plate 2 through the contact between the inner wall of the elastic sealing gasket and the inner wall of the support box 1 and the fixed plate 4, and then avoid the through-going of pressure, can refer to the use of piston to also be provided with sealed the pad between the inner wall of fixed plate 4 and support box 1, the upper portion sliding fit of support ring 10 has frame plate 11, and the top of frame plate 11 and the bottom of two fixed plates 4 of downside are connected, support two fixed plates 4 of bottom through frame plate 11, and then be convenient for fix a position and support two fixed plates 4 of bottom, and when dismantling, take frame plate 11 out from support ring 10 and can part support ring 10 and frame plate 11.

The upper part and the lower part of each fixed plate 4 are fixedly connected with convex plates 6, one end of each convex plate 6 close to the sliding plate 2 is provided with a proximity sensor 5, the top four corners position area and the bottom four corners position area of the sliding plate 2 are fixedly connected with supporting shafts 9, one end of each fixed plate 4 close to the sliding plate 2 is fixedly connected with a positioning pipe 7, each supporting shaft 9 is inserted into the corresponding positioning pipe 7, one end of each supporting shaft 9 far away from the sliding plate 2 is fixedly connected with a spring 8, the right end of the supporting box 1 is fixedly connected with a vent pipe 14, the middle part of the vent pipe 14 is provided with an electric control valve 15, the supporting box 1 is arranged on a water storage tank at a water delivery position, after negative pressure or pressure change is generated in the supporting box, the pressure can drive the blocking film 3 to move upwards or downwards, further drive the sliding plate 2 to trigger the proximity sensor 5, and the proximity sensor 5 transmits signals to the electric control valve 15, after electric control valve 15 is opened, make inside the outside gas gets into water delivery passageway, and then make pressure recovery normal to when the maintenance, can do not maintain response portion and proximity sensor 5 punishment, the dismouting is comparatively convenient, when the inside response part of box 1 is supported in the maintenance, the regulation of pressure is realized in 15 departments of accessible control electric control valve, it is better to reach the pressure regulating effect, improves response effect, convenient to overhaul's effect.

The top intercommunication of supporting box 1 has extension pipe 17, and butterfly valve 18 is installed on the top of extension pipe 17, protects the upper portion of supporting box 1 through butterfly valve 18 and extension pipe 17, reduces inside external debris get into supporting box 1 to through the inside atmospheric pressure of butterfly valve 18 department switching and then control extension pipe 17, can regularly open butterfly valve 18 and then control the pressure that supports box 1 upper portion, adjust in different environment with outside pressure balance.

For further improvement to the protective effect of the department of the barrier film 3, the bottom fixedly connected with protection network 13 of supporting box 1 protects the bottom of supporting box 1 through protection network 13, and then reduces the condition that debris in the aquatic get into supporting box 1 inside, and the inner wall bottom of supporting box 1 is installed water level inductor 12, and whether there is water to get into supporting box 1 inside through the response of water level inductor 12, and then be convenient for in time handle, avoid the more condition of the inside water of play water tank.

The controller 16 is installed to the outer wall of breather pipe 14, and electrically controlled valve 15 is connected with controller 16 electricity, and each proximity sensor 5 all is connected with controller 16 electricity, responds to the signal that proximity sensor 5 sent through controller 16 to open of automatically controlled valve 15 in time through controller 16, controller 16 can select for use small-size controlling means such as PLC.

When the water storage tank is used, the support box 1 is firstly installed on the water storage tank at the water delivery position, after negative pressure is generated inside or pressure change is increased, the pressure can drive the blocking film 3 to move upwards or downwards, the sliding plate 2 is further driven to trigger the proximity sensor 5, the proximity sensor 5 transmits signals to the controller 16, and the controller 16 controls the electric control valve 15 to be opened.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a water supply negative pressure inhibitor for overhead tank which characterized in that: the device comprises a supporting box (1), wherein a supporting ring (10) is connected to the inner wall of the supporting box (1), a sliding plate (2) is arranged on the upper side of the supporting ring (10), the front end and the rear end of the sliding plate (2) are tightly attached to the inner wall of the supporting box (1), a through hole is formed in the middle of the sliding plate (2), a blocking membrane (3) is connected to the inner wall of the sliding plate (2), a fixing plate (4) is connected to the left part of the top end of the inner wall and the right part of the top end of the inner wall of the supporting box (1), the left end and the right end of the sliding plate (2) are tightly attached to the opposite end of the corresponding fixing plate (4), the supporting box (1) is divided into two cavities by the sliding plate (2), a convex plate (6) is connected to the upper part and the lower part of each fixing plate (4), and a proximity sensor (5) is installed at one end, close to the sliding plate (2), of each convex plate (6), the novel sliding plate is characterized in that supporting shafts (9) are connected to the top four corner position area and the bottom four corner position area of the sliding plate (2), one end, close to the sliding plate (2), of each fixing plate (4) is connected with a positioning pipe (7), each supporting shaft (9) is inserted into the corresponding positioning pipe (7), one end, far away from the sliding plate (2), of each supporting shaft (9) is connected with a spring (8), the right end of the supporting box (1) is connected with a ventilating pipe (14), and an electric control valve (15) is installed in the middle of the ventilating pipe (14).

2. The negative pressure suppressor for a water supply pressure tank as claimed in claim 1, wherein: the top end of the support box (1) is communicated with an extension pipe (17), and a butterfly valve (18) is installed at the top end of the extension pipe (17).

3. The negative pressure suppressor for a water supply pressure tank as claimed in claim 2, wherein: the upper part of the support ring (10) is in sliding fit with a frame plate (11), and the top end of the frame plate (11) is connected with the bottom ends of the two fixing plates (4) on the lower side.

4. The negative pressure suppressor for a water supply pressure tank as claimed in claim 3, wherein: the bottom of the supporting box (1) is fixedly connected with a protective net (13).

5. The negative pressure suppressor for a water supply pressure tank as claimed in claim 4, wherein: and a water level sensor (12) is arranged at the bottom of the inner wall of the supporting box (1).

6. The negative pressure suppressor for a water supply pressure tank as claimed in claim 5, wherein: the controller (16) is installed on the outer wall of the vent pipe (14), the electric control valve (15) is electrically connected with the controller (16), and each proximity sensor (5) is electrically connected with the controller (16).