CN214789374U

CN214789374U - Vacuum faucet

Info

Publication number: CN214789374U
Application number: CN202121134116.6U
Authority: CN
Inventors: 李燕彬
Original assignee: Individual
Current assignee: Fujian Pikefeng Sanitary Ware Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-11-19
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a vacuum faucet, including trunk line, real empty room, adjusting bolt, pressure release pipe and shield, trunk line one end runs through real empty room's surface, real empty room's lower extreme has the adjusting bolt through threaded connection, real empty room's upper surface is provided with the pressure release pipe, the upper end of pressure release pipe is connected with the shield that shelters from the dust, real empty room's inside is fixed with the limiting plate, real empty room's inside is provided with the sealing rod, the lower extreme fixedly connected with sealing plug of sealing rod, the lower fixed surface of sealing plug has the loop bar. This vacuum faucet is provided with the adjusting bolt, rotates through the adjusting bolt and drives spacing post and pull the sealing plug through adjusting spring for the required power of sealing plug slip changes, thereby reaches the purpose to vacuum valve pressure release critical pressure regulation, makes vacuum valve faucet can adapt to the required pressure release critical pressure of the pipeline of different materials.

Description

Vacuum faucet

Technical Field

The utility model relates to a tap technical field specifically is a vacuum tap.

Background

The faucet is a popular name of a water valve and is used for controlling the size of water flow, the faucet is not only used in daily families, but also commonly used as an important component for controlling the on-off of a pipeline in some chemical fields, but in the process of long-term use, the faucet used in the existing chemical field has some problems, such as the fact that when solution is lacked in the pipeline of the faucet, vacuum can be formed in the pipeline, the phenomenon that some faucets immersed in the solution are opened to form siphon backflow when the pipeline is in vacuum is caused, the conventional means is to add a vacuum valve, but the existing vacuum valve faucet does not have the regulation of the pressure relief critical pressure of the vacuum valve, so that pipelines made of different materials need to customize vacuum valves with different specifications, meanwhile, the vacuum valve does not have the warning function, and when the pipeline is in the vacuum state, an operator cannot even find abnormality, even if the vacuum valve is installed, the siphon backflow phenomenon can be caused, and the vacuum valve is very unsafe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum tap to what provide in solving above-mentioned background art does not possess the problem to pressure release critical pressure regulatory function and lack pipeline vacuum warning function.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vacuum faucet, includes trunk line, real empty room, adjusting bolt, pressure release pipe and shield, trunk line one end runs through real empty room's surface, real empty room's lower extreme has the adjusting bolt through threaded connection, the lower surface that real empty room was run through to the upper end of adjusting bolt is connected with spacing post, real empty room's upper surface is provided with the pressure release pipe, the upper end of pressure release pipe is connected with the shield that shelters from the dust, real empty room's inside is fixed with the limiting plate, real empty room's inside is provided with the sealing rod, the lower extreme fixedly connected with sealing plug of sealing rod, the lower fixed surface of sealing plug has the loop bar.

Preferably, the dust cover is fixedly connected with the pressure release pipe through a dust filter screen, and an observation groove is formed in the outer surface of the pressure release pipe.

By adopting the technical scheme, the dust filter screen can drop downwards under the action of gravity after the dust filter screen filters air, so that the dust filter screen is not blocked.

Preferably, the connection part of the outer side surface of the limiting plate and the limiting column is in a hollow design, and a sealing spring is connected between the limiting plate and the sealing rod.

By adopting the technical scheme, the sealing spring can drive the sealing plug to seal the upper end opening of the vacuum chamber through the sealing rod.

Preferably, the outer surface of the upper end of the sealing rod is connected with a warning rod, the upper end of the warning rod is provided with two sections of marks with different colors, and the mark at the upper end of the warning rod is positioned above the observation groove.

By adopting the technical scheme, an operator can judge the pressure level in the vacuum chamber through the relative position of the observation groove and the warning rod.

Preferably, the upper end of the warning rod penetrates through the hollow-out position of the limiting plate, and the warning rod is symmetrically distributed about the center line of the cylinder of the limiting plate.

By adopting the technical scheme, the warning rod can slide up and down to change the relative position of the upper end mark and the observation groove.

Preferably, the upper surface of the sealing plug belt is attached to the top surface of the interior of the vacuum chamber, and an adjusting spring is connected between the sealing plug and the limiting column.

By adopting the technical scheme, the limiting column can change the force and direction of the adjusting spring to the sealing plug through sliding.

Preferably, the loop bar is sliding connection with the spacing post, the cross section shape of loop bar and spacing post is circular, spacing post is connected for rotating with the adjusting bolt.

By adopting the technical scheme, the limiting column can be driven by the adjusting bolt to rotate and slide relative to the loop bar.

Compared with the prior art, the beneficial effects of the utility model are that: the vacuum faucet comprises:

1. the adjusting bolt is arranged, the limiting column is driven to pull the sealing plug through the adjusting spring by the rotation of the adjusting bolt, so that the force required by the sliding of the sealing plug is changed, the purpose of adjusting the pressure relief critical pressure of the vacuum valve is achieved, and the vacuum valve faucet can adapt to the pressure relief critical pressure required by pipelines made of different materials;

2. the device is provided with a warning rod, the positional relation between the mark positions with different colors at the upper end of the warning rod and an observation groove is observed through the observation groove, when the mark with lighter color at the upper end of the warning rod is positioned at the position parallel to the observation groove, the pipeline is in a low vacuum state, when the mark with darker color at the upper end of the warning rod is positioned at the position parallel to the observation groove, the pipeline is in a high vacuum state, and when the position parallel to the observation groove at the upper end of the warning rod has no color, the air pressure in the pipeline is the same as the external air pressure;

3. be provided with the shield, make the inside of vacuum valve can not fall into the dust through the shield, set up the air inlet of shield down simultaneously and set up the dust filter screen and carry out filterable mode and make the dust can not get into in the vacuum valve and can not block up the dust filter screen, when the shield does not admit air, the dust on the dust filter screen can drop under the action of gravity.

Drawings

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

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic view of a sectional view of the vacuum chamber connected to a limiting plate according to the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a main pipeline; 2. a vacuum chamber; 3. adjusting the bolt; 4. a limiting column; 5. a pressure relief pipe; 6. an observation tank; 7. a dust cover; 8. a dust filter screen; 9. a limiting plate; 10. a sealing rod; 11. a seal spring; 12. a warning lever; 13. a sealing plug; 14. adjusting the spring; 15. a loop bar.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a vacuum faucet comprises a main pipeline 1, a vacuum chamber 2, an adjusting bolt 3, a limiting column 4, a pressure relief pipe 5, an observation groove 6, a dustproof cover 7, a dust filter net 8, a limiting plate 9, a sealing rod 10, a sealing spring 11, a warning rod 12, a sealing plug 13, an adjusting spring 14 and a loop bar 15, wherein one end of the main pipeline 1 penetrates through the outer surface of the vacuum chamber 2, the lower end of the vacuum chamber 2 is connected with the adjusting bolt 3 through threads, the upper end of the adjusting bolt 3 penetrates through the lower surface of the vacuum chamber 2 and is connected with the limiting column 4, the upper surface of the vacuum chamber 2 is provided with the pressure relief pipe 5, the upper end of the pressure relief pipe 5 is connected with the dustproof cover 7 for shielding dust, the dustproof cover 7 and the pressure relief pipe 5 are fixedly connected through the dust filter net 8, the observation groove 6 is arranged on the outer surface of the pressure relief pipe 5, the dustproof cover 7 filters dust in air through the dust filter net 8, and the downward designed dust filter net 8 enables the dust to be separated from the attachment of the dust filter net 8 under the effect when the air is not admitted, so that the dust filter screen 8 is not clogged with dust.

As shown in fig. 1-4, a limiting plate 9 is fixed inside the vacuum chamber 2, a hollow-out design is adopted at the joint of the outer surface of the limiting plate 9 and the limiting column 4, a sealing spring 11 is connected between the limiting plate 9 and the sealing rod 10, and the sealing rod 10 can be driven by the sealing spring 11 to seal the upper end of the vacuum chamber 2 when the air pressure in the pipeline is normal by the sealing rod 10.

As shown in fig. 2 and 4, the inside of the vacuum chamber 2 is provided with a sealing rod 10, the outer surface of the upper end of the sealing rod 10 is connected with a warning rod 12, the upper end of the warning rod 12 is provided with two different color marks, the mark position of the upper end of the warning rod 12 is located above the observation groove 6, the upper end of the warning rod 12 penetrates through the hollow part of the limiting plate 9, the warning rod 12 is symmetrically distributed about the center line of the cylinder of the limiting plate 9, so that an operator can observe the position of the warning rod 12 relative to the observation groove 6 through the observation groove 6, and the pressure level in the pipeline is judged.

As shown in fig. 2, a sealing plug 13 is fixedly connected to the lower end of the sealing rod 10, a loop bar 15 is fixed to the lower surface of the sealing plug 13, the upper surface of the sealing plug 13 is attached to the top surface of the inside of the vacuum chamber 2, an adjusting spring 14 is connected between the sealing plug 13 and the limiting column 4, the loop bar 15 is in sliding connection with the limiting column 4, the cross-sectional shapes of the loop bar 15 and the limiting column 4 are both circular, the limiting column 4 is in rotating connection with the adjusting bolt 3, the adjusting bolt 3 is rotated, the adjusting bolt 3 moves through threaded connection with the vacuum chamber 2, the adjusting bolt 3 compresses and pulls the sealing plug 13 through the limiting column 4 and the adjusting spring 14, therefore, the force required by the movement of the sealing plug 13 is changed, the critical pressure of the pressure relief of the vacuum valve is changed, and the vacuum faucet which is made of different materials and shares the same specification can be adjusted.

The working principle is as follows: when the vacuum tap is used, firstly, when the main pipeline 1 is filled with solution, the upper end of the vacuum chamber 2 is sealed by the sealing plug 13 under the action of the tension of the sealing spring 11, so that the solution can not overflow, when the main pipeline 1 is in a vacuum negative pressure state, the sealing plug 13 slides downwards under the influence of negative pressure, the vacuum chamber 2 sucks external air into the main pipeline 1 through the dust filtering net 8 until the internal air pressure of the main pipeline 1 is consistent with the external air pressure, the sealing plug 13 seals the upper end of the vacuum chamber 2 under the action of the tension of the sealing spring 11, when the vacuum chamber 2 absorbs the external air, the sealing plug 13 drives the warning rod 12 to slide downwards, the pressure level in the vacuum chamber 2 can be judged by observing the marking color of the warning rod 12 which is at the same level with the observation groove 6, and the siphon backflow caused by opening the tap when the vacuum degree in the vacuum chamber 2 is higher is avoided, meanwhile, the adjusting bolt 3 can be rotated when pipelines made of different materials are used, the adjusting bolt 3 drives the limiting column 4 to move, the direction and the strength of the force applied to the sealing plug 13 by the adjusting spring 14 are changed by moving the limiting column 4, so that the size of the extra force required to be received by sliding of the sealing plug 13 is changed, the purpose of changing the pressure critical value of pressure relief of the vacuum valve is achieved, and the overall practicability is improved.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vacuum faucet, includes trunk line (1), real empty room (2), adjusting bolt (3), pressure release pipe (5) and shield (7), its characterized in that: the utility model discloses a dust-proof sealing device, including trunk line (1), the surface of real empty room (2) is run through to trunk line (1) one end, the lower extreme of real empty room (2) has adjusting bolt (3) through threaded connection, the lower surface that the upper end of adjusting bolt (3) runs through real empty room (2) is connected with spacing post (4), the upper surface of real empty room (2) is provided with pressure release pipe (5), the upper end of pressure release pipe (5) is connected with shield cover (7) that shelters from the dust, the inside of real empty room (2) is fixed with limiting plate (9), the inside of real empty room (2) is provided with sealing rod (10), the lower extreme fixedly connected with sealing plug (13) of sealing rod (10), the lower fixed surface of sealing plug (13) has loop bar (15).

2. The vacuum faucet of claim 1, wherein: the dust cover (7) is fixedly connected with the pressure relief pipe (5) through a dust filtering net (8), and an observation groove (6) is formed in the outer surface of the pressure relief pipe (5).

3. The vacuum faucet of claim 1, wherein: the joint of the outer side surface of the limiting plate (9) and the limiting column (4) is in a hollow design, and a sealing spring (11) is connected between the limiting plate (9) and the sealing rod (10).

4. The vacuum faucet of claim 1, wherein: the outer surface of the upper end of the sealing rod (10) is connected with a warning rod (12), the upper end of the warning rod (12) is provided with two sections of marks with different colors, and the mark at the upper end of the warning rod (12) is located above the observation groove (6).

5. The vacuum faucet of claim 4, wherein: the upper end of warning pole (12) runs through the fretwork department of limiting plate (9), warning pole (12) are about the cylinder central line symmetric distribution of limiting plate (9).

6. The vacuum faucet of claim 1, wherein: the upper surface of sealing plug (13) area and the inside top surface of vacuum chamber (2) are laminated mutually, be connected with between sealing plug (13) and spacing post (4) regulating spring (14).

7. The vacuum faucet of claim 1, wherein: the loop bar (15) is connected with the limiting column (4) in a sliding mode, the loop bar (15) and the limiting column (4) are circular in cross section shape, and the limiting column (4) is connected with the adjusting bolt (3) in a rotating mode.