CN214614365U

CN214614365U - High-sealing non-negative pressure water supply vacuum suppressor

Info

Publication number: CN214614365U
Application number: CN202120405834.6U
Authority: CN
Inventors: 袁显; 彭才良
Original assignee: Zhejiang Runbo Energy Saving Environmental Protection Equipment Co ltd
Current assignee: Zhejiang Runbo Energy Saving Environmental Protection Equipment Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-11-05
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to a no negative pressure water supply technical field discloses a high sealed no negative pressure water supply vacuum suppressor, including the ring flange top be equipped with upper end open-ended upper casing and with upper casing matched with lower casing, the internal screw thread of upper casing is equipped with the installation section of thick bamboo, be equipped with the installation cavity of opening down in the installation section of thick bamboo, be equipped with the air guide cylinder that can slide from top to bottom through the air guide cylinder seat in the installation cavity, be equipped with the push down spring that drives the air guide cylinder and reset downwards between air guide cylinder and the air guide cylinder seat, the upper end of air guide cylinder is connected on the lateral wall of installation cavity through the telescope tube, is equipped with the gas leakage hole on the upper side wall of installation cavity; an air filter is arranged above the mounting cylinder, a driving mechanism for driving the mounting cylinder to rotate is arranged above the mounting cylinder, and a dust cover covers the upper end of the upper shell. Through the structure, the position of the lower end of the gas cylinder can be adjusted when the mounting cylinder is lifted in the internal thread of the upper shell, so that the water level in the steady flow compensation tank is adjusted.

Description

High-sealing non-negative pressure water supply vacuum suppressor

Technical Field

The utility model relates to a no negative pressure water supply technical field, specifically speaking relates to a high sealed no negative pressure water supply vacuum inhibitor.

Background

The vacuum suppressor is mainly used on municipal tap water pipe network secondary pressurized water supply equipment to suppress negative pressure generated in a water supply system and keep the pressure balance of the tap water pipe network.

The patent with the application number of CN201520798671.7 discloses a high-sealing vacuum suppressor for non-negative pressure water supply, wherein an upper shell and a lower shell are arranged on a flange plate, a floating body is packaged in the lower shell, the upper end of the floating body is connected with a top rod, the upper end of the top rod is positioned in the upper shell, the upper end of the top rod is connected with a horizontal disc, and a primary sealing gasket is arranged on the horizontal disc; only the upper end of the upper shell is open and is provided with an air filter; an air guide cylinder is arranged right above the primary sealing gasket, the air guide cylinder is fixed by an air guide cylinder seat and can slide up and down, the lower end of a conical telescopic sleeve is hermetically connected with the upper end of the air guide cylinder, and the upper end of the conical telescopic sleeve is hermetically connected with the inner wall of the upper shell; the upper side of the conical telescopic sleeve is provided with a mesh plate, and a secondary sealing gasket is fixed on the lower side of the mesh plate. Although the device adopts a double-sealing structure, the necessary function of the vacuum suppressor can be realized as long as one end of the gas cylinder is sealed, but the device has the defect that the water level in the steady flow compensation tank cannot be adjusted.

SUMMERY OF THE UTILITY MODEL

The defect that the water level in the stationary flow compensation tank can not be adjusted to that exists among the prior art, the utility model provides a high sealed no negative pressure water supply vacuum suppressor. It can realize adjusting the water level in the stationary flow compensation jar and filter to quality of water, guarantees quality of water safety's function.

In order to solve the above technical problem, the present invention solves the above technical problems.

A high-sealing vacuum suppressor for water supply without negative pressure comprises an upper shell and a lower shell, wherein the upper end of the upper shell is provided with an opening, the lower shell is matched with the upper shell, an installation cylinder is arranged in the upper shell in a threaded manner, an installation cavity with a downward opening is arranged in the installation cylinder, an air guide cylinder capable of sliding up and down is arranged in the installation cavity through an air guide cylinder seat, a push-down spring for driving the air guide cylinder to reset downwards is arranged between the air guide cylinder and the air guide cylinder seat, the upper end of the air guide cylinder is connected to the side wall of the installation cavity through a telescopic sleeve, and an air leakage hole is formed in the upper side wall of the installation cavity; an air filter is arranged above the mounting cylinder, a driving mechanism for driving the mounting cylinder to rotate is arranged above the mounting cylinder, and a dust cover covers the upper end of the upper shell.

Through the utility model provides a structure for the position of air guide cylinder lower extreme can be adjusted to the installation section of thick bamboo when last casing internal thread goes up and down, makes and adjusts floating body drive horizontal disc and the sealed water level of air guide cylinder extrusion, thereby realizes adjusting the water level in the stationary flow compensation jar.

Preferably, the driving mechanism comprises telescopic rods which are telescopic and symmetrically arranged above the mounting cylinder, the upper end parts of the telescopic rods are connected through a connecting plate positioned above the air filter, and a driving lever extending out of the dust cover is arranged in the middle of the connecting plate.

Through the utility model provides a structure for twist the driving lever and can drive an installation section of thick bamboo and go up and down in last casing, thereby make the better convenience of water level control in the stationary flow compensation jar.

Preferably, the telescopic rod comprises a lower telescopic rod connected with the mounting cylinder and an upper telescopic rod rotatably connected with the connecting plate, and a telescopic cavity for the upper telescopic rod to extend into is formed in the lower telescopic rod; the end of the connecting plate is provided with a through hole for the corresponding upper telescopic rod to pass through, the upper telescopic rod is provided with a baffle plate positioned below the connecting plate, and the end of the upper telescopic rod extending out of the through hole is in threaded connection with a limit nut.

Through the utility model provides a structure, the telescopic link is rotated to be connected and is twisted simultaneously on even board and move the regulation that the telescopic link can realize the length of telescopic link in the better realization, the telescopic link of being convenient for and even can install different air cleaner between the board.

Preferably, the lower end part of the lower telescopic rod is provided with a connecting flange, so that the lower telescopic rod can be conveniently assembled and disassembled on the mounting cylinder.

Preferably, the lower shell is covered with a filtering mechanism connected with the upper shell, so that impurities entering the vacuum suppressor can be effectively intercepted, and the safety of water quality is ensured.

Preferably, the filtering mechanism comprises an inner pipe which is in threaded connection with the upper shell, the side wall of the inner pipe is arranged in a hollow mode, the side wall of the inner pipe protrudes outwards to form a lower protruding portion, a filtering cylinder is arranged on the outer cover of the inner pipe, the upper end of the filtering cylinder protrudes inwards to form an upper protruding portion, and a tensioning spring which is sleeved on the inner pipe is arranged between the upper protruding portion and the lower protruding portion.

Through the utility model provides a structure for the user stirs the cartridge filter and loosens along the inner tube, can make the cartridge filter produce the vibration, makes the impurity attached to it drop, guarantees the filter effect of cartridge filter.

Drawings

FIG. 1 is a schematic view of a high-sealing vacuum suppressor for non-negative pressure water supply according to example 1;

FIG. 2 is a schematic view of the drive mechanism of embodiment 1 on a dust cover;

FIG. 3 is a schematic view of the telescopic bar of embodiment 1;

fig. 4 is a schematic view of the interconnector plate of example 1.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention only and are not limiting.

Example 1

As shown in fig. 1-4, the present embodiment provides a high-sealing vacuum suppressor for water supply without negative pressure, which comprises an upper casing 100 with an open upper end above a flange and a lower casing 110 matched with the upper casing 100, wherein an installation cylinder 120 is arranged in the upper casing 100, an installation cavity 121 with a downward opening is arranged in the installation cylinder 120, an air guide cylinder 130 capable of sliding up and down is arranged in the installation cavity 121 through an air guide cylinder seat 122, a lower push spring 131 for driving the air guide cylinder 130 to reset downwards is arranged between the air guide cylinder 130 and the air guide cylinder seat 122, the upper end of the air guide cylinder 130 is connected to the side wall of the installation cavity 121 through a telescopic sleeve 132, and an air leakage hole 123 is arranged on the upper side wall of the installation cavity 121; an air filter 140 is disposed above the mounting tube 120, a driving mechanism 150 for driving the mounting tube 120 to rotate is disposed above the mounting tube 120, and a dust cover 160 covers an upper end of the upper housing 100.

In this embodiment, the lower case 110 is communicated with the upper case 100, the lower case 110 adopts the construction in the reference document, it is composed of a hollow side wall and a bottom, a floating body which can move up and down is packaged in the floating body, the upper end of the floating body is connected with a mandril which moves up and down along with the floating body, a guide mechanism which is used for the mandril to pass through and prevents the mandril from swinging is arranged on the upper side of a flange plate, the upper end of the mandril extends into the upper shell 100, a horizontal disc which is matched with the lower end of the air guide tube 130 is arranged at the upper end of the mandril, when the water level in the steady flow compensation tank is insufficient, the floating body moves downwards to drive the horizontal disc to move downwards to be separated from the air guide tube 130, therefore, the steady flow compensation tank is communicated with the outside atmosphere, negative pressure generated in the steady flow compensation tank is avoided, when the water level in the steady flow compensation tank moves upwards to drive the floating body to move upwards to drive the horizontal disc to move upwards to be extruded and sealed with the air guide cylinder 130, the water in the steady flow compensation tank maintains normal water pressure and cannot overflow; through the arrangement of the installation barrel 120 in the embodiment, the installation barrel 120 can adjust the position of the lower end of the gas cylinder 130 when the internal thread of the upper shell 100 goes up and down, and further adjust the distance between the installation barrel and the horizontal disc, so that the water level of the floating body driving horizontal disc and the gas cylinder 130 which are sealed in an extrusion manner is adjusted, and the water level in the steady flow compensation tank is adjusted.

In this embodiment, the driving mechanism 150 includes telescopic rods 210 that are telescopically and symmetrically disposed above the mounting tube 120, the upper ends of the telescopic rods 210 are connected by a connecting plate 220 located above the air filter 140, and a driving lever 411 extending out of the dust cover 160 is disposed at the middle of the connecting plate 220.

Through the structure in this embodiment, the driving lever 411 extending out of the dust cover 160 is screwed to drive the mounting cylinder 120 to rotate, so that the water level in the steady flow compensation tank can be adjusted more conveniently, wherein a space for placing the air filter 140 is formed between the telescopic rod 210 and the connecting plate 20, which is convenient for the installation of the air filter 140.

In this embodiment, the telescopic rod 210 includes a lower telescopic rod 310 connected to the mounting tube 120 and an upper telescopic rod 320 rotatably connected to the connecting plate 220, and a telescopic cavity for the upper telescopic rod 320 to extend into is formed in the lower telescopic rod 310; the end of the connecting plate 220 is provided with a through hole 412 for the corresponding upper telescopic rod 320 to pass through, the upper telescopic rod 320 is provided with a baffle 321 positioned below the connecting plate 220, and the end of the upper telescopic rod 320 extending out of the through hole 412 is connected with a limit nut 322 through a thread.

Through the structure of the embodiment, the limit nut 322 is connected to the upper telescopic rod 320 and the baffle 321 is matched, so that the upper telescopic rod 320 is preferably rotatably connected to the connecting plate 220, the upper telescopic rod 320 is screwed to ascend and descend in the lower telescopic rod 310, the length of the telescopic rod 210 is adjusted, and different air filters 140 can be installed between the telescopic rod 210 and the connecting plate 220.

In this embodiment, the lower end of the lower telescopic rod 310 is provided with a connecting flange 311, which is preferable to facilitate the mounting and dismounting of the lower telescopic rod 310 on the mounting barrel 120.

In this embodiment, the outer cover of the lower casing 110 is provided with a filtering mechanism connected to the upper casing 100, so as to effectively intercept impurities entering the vacuum suppressor and ensure the safety of water quality.

In this embodiment, the filtering mechanism includes an inner tube 170 screwed to the upper housing 100, the side wall of the inner tube 170 is hollow, a lower protrusion 171 is formed by protruding the side wall of the inner tube 170, a filter cartridge 180 is covered on the inner tube 170, an upper protrusion 181 is formed by protruding the upper end of the filter cartridge 180, and a tension spring 190 sleeved on the inner tube 170 is disposed between the upper protrusion 181 and the lower protrusion 171.

Through the configuration in the present embodiment, a user pulls the filter cartridge 180 to slide along the inner tube 170 and release the filter cartridge, and the filter cartridge 180 vibrates to drop impurities attached thereto by the arrangement of the tension spring 190, thereby ensuring the filtering effect of the filter cartridge 180.

When the high-sealing vacuum suppressor for water supply without negative pressure of the embodiment is used specifically, the deflector rod 411 extending out of the dust cover 160 is screwed to drive the mounting cylinder 120 to lift in the upper shell 100, so as to adjust the water level in the steady flow compensation tank; the vacuum suppressor is removed, and the filter cartridge 180 is pulled along the inner tube 170 and loosened, so that the filter cartridge 180 is vibrated, the impurities attached thereto are dropped, and the filtering effect of the filter cartridge 180 is ensured.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a high sealed no negative pressure water supply vacuum inhibitor which characterized in that: the air leakage prevention device comprises an upper shell (100) with an upper end opening and a lower shell (110) matched with the upper shell (100) and arranged above a flange plate, wherein an installation cylinder (120) is arranged in the upper shell (100) through internal threads, an installation cavity (121) with a downward opening is arranged in the installation cylinder (120), an air guide cylinder (130) capable of sliding up and down is arranged in the installation cavity (121) through an air guide cylinder seat (122), a lower push spring (131) for driving the air guide cylinder (130) to reset downwards is arranged between the air guide cylinder (130) and the air guide cylinder seat (122), the upper end of the air guide cylinder (130) is connected to the side wall of the installation cavity (121) through a telescopic sleeve (132), and an air leakage hole (123) is formed in the upper side wall of the installation cavity (121); an air filter (140) is arranged above the mounting cylinder (120), a driving mechanism (150) for driving the mounting cylinder (120) to rotate is arranged above the mounting cylinder (120), and a dust cover (160) covers the upper end of the upper shell (100).

2. The high-sealing vacuum suppressor for non-negative pressure water supply of claim 1, wherein: the driving mechanism (150) comprises telescopic rods (210) which are telescopic and symmetrically arranged above the mounting cylinder (120), the upper end parts of the telescopic rods (210) are connected through a connecting plate (220) positioned above the air filter (140), and a driving lever (411) extending out of the dust cover (160) is arranged in the middle of the connecting plate (220).

3. The high-sealing vacuum suppressor for non-negative pressure water supply of claim 2, wherein: the telescopic rod (210) comprises a lower telescopic rod (310) connected with the mounting cylinder (120) and an upper telescopic rod (320) rotatably connected with the connecting plate (220), and a telescopic cavity for the upper telescopic rod (320) to extend into is formed in the lower telescopic rod (310); the end part of the connecting plate (220) is provided with a through hole (412) for the corresponding upper telescopic rod (320) to pass through, the upper telescopic rod (320) is provided with a baffle (321) positioned below the connecting plate (220), and the end part of the upper telescopic rod (320) extending out of the through hole (412) is connected with a limit nut (322) through a thread.

4. A high-sealing non-negative pressure water supply vacuum suppressor as claimed in claim 3, wherein: the lower end part of the lower telescopic rod (310) is provided with a connecting flange (311).

5. The high-sealing vacuum suppressor for non-negative pressure water supply of claim 1, wherein: the outer cover of the lower shell (110) is provided with a filtering mechanism connected with the upper shell (100).

6. The high-sealing vacuum suppressor for non-negative pressure water supply of claim 5, wherein: the filtering mechanism comprises an inner pipe (170) which is in threaded connection with the upper shell (100), the side wall of the inner pipe (170) is hollowed out, a lower convex part (171) is formed by outward protrusion on the side wall of the inner pipe (170), a filtering cylinder (180) is arranged outside the inner pipe (170), an upper convex part (181) is formed by inward protrusion of the upper end of the filtering cylinder (180), and a tension spring (190) sleeved on the inner pipe (170) is arranged between the upper convex part (181) and the lower convex part (171).