CN209262343U - A kind of screw thread type copper destructive valve - Google Patents
A kind of screw thread type copper destructive valve Download PDFInfo
- Publication number
- CN209262343U CN209262343U CN201821977948.2U CN201821977948U CN209262343U CN 209262343 U CN209262343 U CN 209262343U CN 201821977948 U CN201821977948 U CN 201821977948U CN 209262343 U CN209262343 U CN 209262343U
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- China
- Prior art keywords
- valve
- screw thread
- valve seat
- spring
- sealing
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Abstract
The utility model discloses a kind of screw thread type copper destructive valves, comprising: the pneumatic operated valve with the sealing valve of water pipe screwed connection and with sealing valve screwed connection；Sealing valve includes seal valve seat, support plate, sealing cylinder and spring one；Pneumatic operated valve includes pneumatic valve seat, valve deck, flap and spring two.The utility model have the advantages that it is easy for installation, be readily disassembled replacement, antileaking.
Description
Technical field
The utility model relates to valve technology field, more particularly to a kind of screw thread type copper destructive valve.
Background technique
Destructive valve is a kind of safety valve, is mainly used in container or pipeline, in pipeline or container because system is run or is stopped
And generate negative pressure or when vacuum is stepped up, which can be automatically turned on, and destroy vacuum effect, make pipeline and the unlikely production of other equipment
Phenomena such as raw flat, crack, to protect the safety of equipment.
But existing destructive valve needs the installing and dismounting when pipeline does not have hydraulic pressure, if valve inner damage needs are whole
There is very big use and lack in body replacement the problems such as still will appear leak during installation perhaps replacement or spray water
It falls into.
Therefore, how a kind of antileaking is provided, the screw thread type copper destructive valve that is conveniently replaceable be those skilled in the art urgently
Problem to be solved.
Utility model content
In view of this, the present invention provides a kind of screw thread type copper destructive valve, have it is easy for installation, be readily disassembled more
Change, antileaking the advantages of.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of screw thread type copper destructive valve, comprising: connect with the sealing valve of water pipe screwed connection and with the sealing valve screw thread
The pneumatic operated valve connect；
Wherein, the sealing valve includes seal valve seat, support plate, sealing cylinder and spring one, and the seal valve seat is perforation
Cylindrical structure, the bottom end and top of the seal valve seat are respectively formed with internal screw thread one and internal screw thread two, the internal screw thread
One top is fixed with the support plate, and the support plate is formed with several limbers；The bottom end of the internal screw thread two is provided with
Sealant is provided with the sealing cylinder in the sealant, offers several through-holes on the bottom end circumference of the sealing cylinder；It is described
The bottom end for sealing cylinder is connect with the support plate by the spring one；The through-hole and sealant sealing cooperate；
The pneumatic operated valve includes pneumatic valve seat, valve deck, flap and spring two, and the bottom end of the pneumatic valve seat is formed with outer spiral shell
Line, the external screw thread and two screwed connection of internal screw thread, the top of the pneumatic valve seat are protruded outward in circumferencial direction, shape
At cavity；The valve deck is fixedly connected by bolt with the top of the pneumatic valve seat, is fixedly connected on the inside of the valve deck oriented
The guide rod of bottom protrusion, is set with the flap and the spring two on the guide rod, the flap by the spring two with
The top of the valve deck connection, the flap and the pneumatic valve seat, which seals, to be cooperated；At the top of the flap by the valve deck with
Ambient atmosphere connection；The clamping annulus of protrusion is formed on the pneumatic valve seat bottom end inner wall.
Through the above technical solutions, traditional destructive valve is divided into sealing valve and pneumatic operated valve by the utility model, it is separately installed
Sealing valve can play the role of blocking water pipe, can open sealing valve water flowing when installing pneumatic operated valve, utilize air pressure principle pair
Negative pressure state in water pipe is destroyed, easy for installation, can be dismantled in water flowing, and antileaking.
Preferably, in a kind of above-mentioned screw thread type copper destructive valve, the sealing cylinder bottom end and support plate fixed setting
There is clamping ring, the clamping ring is for fixing the spring one.Setting by being clamped ring can guarantee the fixation of spring one with
Motion state is more stable.
Preferably, in a kind of above-mentioned screw thread type copper destructive valve, the guide rod bottom end is provided with fixture block.The fixture block is to valve
Valve plays position-limiting action, prevents flap from moving downward apart from too long, disengaging guide rod or the tensile strength for influencing spring two.
Preferably, in a kind of above-mentioned screw thread type copper destructive valve, the position of the fixture block is concordant with the bottom of the cavity.
When flap drops to empty cavity position, air from the surrounding of cavity enter, be arranged fixture block position it is concordant with cavity bottom be for
It prevents the flap from crossing movement, blocks pneumatic operated valve again.
Preferably, in a kind of above-mentioned screw thread type copper destructive valve, the diameter of the valve deck is greater than the pneumatic valve seat top
Diameter, and the valve deck connect with the pneumatic valve seat top after there are gaps.Guarantee atmospheric pressure effect in the flap
Vacuum breaking effect is realized at top.
Preferably, in a kind of above-mentioned screw thread type copper destructive valve, the spring one and the spring two are zinc-plated antirust material
Matter.It prevents spring from getting rusty, improves working effect.
Preferably, in a kind of above-mentioned screw thread type copper destructive valve, the seal valve seat, the pneumatic valve seat and the sealing
Cylinder is brass material.Guarantee the structural strength of destructive valve.
It can be seen via above technical scheme that compared with prior art, the utility model, which discloses, provides a kind of screw thread type
Copper destructive valve, has the advantages that
1, traditional destructive valve is divided into sealing valve and pneumatic operated valve by the utility model, and separately installed sealing valve can play envelope
The effect of water blockoff pipe can open sealing valve water flowing when installing pneumatic operated valve, using air pressure principle to the negative pressure state in water pipe
It is destroyed, easy for installation and antileaking.
2, when needing dismounting and change, it is only necessary to dismantle pneumatic operated valve, sealing cylinder can block close under the action of spring one
Valve is sealed, not needing disconnection hydraulic pressure can be dismounted, easy to use, clever structure.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawing is the structural schematic diagram of normal condition after sealing valve provided by the utility model is connected with pneumatic operated valve；
Fig. 2 attached drawing is the structural schematic diagram of working condition after sealing valve provided by the utility model is connected with pneumatic operated valve；
Fig. 3 attached drawing is the structural schematic diagram of sealing valve provided by the utility model；
Fig. 4 attached drawing is the structural schematic diagram of pneumatic operated valve provided by the utility model；
Fig. 5 attached drawing is the structural schematic diagram of support plate provided by the utility model；
Fig. 6 attached drawing is the structural schematic diagram of sealing cylinder provided by the utility model.
Wherein:
1 is sealing valve, and 11 be seal valve seat, and 111 be internal screw thread one, and 112 be internal screw thread two, and 12 be support plate, and 121 be logical
Water hole, 13 be sealing cylinder, and 131 be through-hole, and 14 be spring one, and 15 be sealant, and 16 be clamping ring, and 2 be pneumatic operated valve, and 21 be pneumatic
Valve seat, 211 be external screw thread, and 212 be clamping annulus, and 22 be valve deck, and 23 be flap, and 24 be spring two, and 25 be cavity, and 26 be spiral shell
Bolt, 27 be guide rod, and 28 be fixture block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to attached drawing 1 to attached drawing 6, the utility model embodiment discloses a kind of screw thread type copper destructive valve, comprising: with water pipe
The sealing valve 1 of screwed connection and pneumatic operated valve 2 with 1 screwed connection of sealing valve；
Wherein, sealing valve 1 includes seal valve seat 11, support plate 12, sealing cylinder 13 and spring 1, and seal valve seat 11 is to pass through
Logical cylindrical structure, the bottom end and top of seal valve seat 11 are respectively formed with internal screw thread 1 and internal screw thread 2 112, interior spiral shell
The top of line 1 is fixed with support plate 12, and support plate 12 is formed with several limbers 121；The bottom end of internal screw thread 2 112 is arranged
There is sealant 15, sealing cylinder 13 is provided in sealant 15, seals and offer several through-holes 131 on the bottom end circumference of cylinder 13；It is close
The bottom end for sealing cylinder 13 is connect with support plate 12 by spring 1；Through-hole 131 and the sealing of sealant 15 cooperate；
Pneumatic operated valve 2 includes pneumatic valve seat 21, valve deck 22, flap 23 and spring 2 24, and the bottom end of pneumatic valve seat 21 is formed with
External screw thread 211, external screw thread 211 and 2 112 screwed connection of internal screw thread, the top of pneumatic valve seat 21 are convex outward in circumferencial direction
Out, cavity 25 is formed；Valve deck 22 is fixedly connected by bolt 26 with the top of pneumatic valve seat 21, is fixedly connected on the inside of valve deck 22
To the guide rod 27 of bottom protrusion, flap 23 and spring 2 24 are set on guide rod 27, flap 23 passes through spring 2 24 and valve deck 22
The top of connection, flap 23 and pneumatic valve seat 21, which seals, to be cooperated；It is connected to by valve deck 22 with ambient atmosphere at the top of flap 23；Pneumatically
The clamping annulus 212 of protrusion is formed on 21 bottom end inner wall of valve seat.
In order to further optimize the above technical scheme, it seals 13 bottom end of cylinder and support plate 12 is fixedly installed clamping ring 16,
It is clamped ring 16 and is used for fixed spring 1.
In order to further optimize the above technical scheme, 27 bottom end of guide rod is provided with fixture block 28.
In order to further optimize the above technical scheme, the position of fixture block 28 is concordant with the bottom of cavity 25.
In order to further optimize the above technical scheme, the diameter of valve deck 22 is greater than the diameter on pneumatic 21 top of valve seat, and valve
There are gaps after lid 22 is connect with pneumatic 21 top of valve seat.
In order to further optimize the above technical scheme, spring 1 and spring 2 24 are zinc-plated antirust material.
In order to further optimize the above technical scheme, seal valve seat 11, pneumatic valve seat 21 and sealing cylinder 13 are brass material.
The working principle of the utility model are as follows:
Referring to attached drawing 3, before destructive valve connection, the hydraulic pressure for the water pipe for needing to connect is disconnected first, sealing valve 1 is passed through
Internal screw thread 1 is connect with water pipe, at this point, the state of sealing valve 1 is as shown in Figure 3: under the action of spring 1, sealing cylinder 13
Through-hole 131 blocked by sealant 15, the hydraulic pressure of water pipe is opened, water flow is entered by the limbers 121 of support plate 12, and is cut
It flows in the bottom of sealant 15 and sealing cylinder 13.
Referring to attached drawing 1, attached drawing 3 and attached drawing 4, when pneumatic operated valve 2 is installed, external screw thread 211 and 2 112 screw thread of internal screw thread are connected
It connects, at this point, clamping annulus 212 pushes down the top of sealing cylinder 13, overcomes the elastic force of spring 1 to be pressed downward cylinder 13 is sealed, through-hole
131 to progressively disengage sealant 15 exposed, and water flow enters sealing cylinder 13 by through-hole 131, and enters in pneumatic operated valve seat 21, shut off in
The bottom of flap 23, at this point, completing the installation of sealing valve 1 and pneumatic operated valve 2.
When needing to dismantle pneumatic operated valve 2, does not need to disconnect hydraulic pressure, directly back out pneumatic operated valve 2, in the effect of spring 1
Under, the through-hole 131 of sealing cylinder 13 gradually moves up, and is blocked again by sealant 15, water flow will not spray.
When inside water pipe without negative pressure condition, referring to attached drawing 1, attached drawing 3 and attached drawing 4, flap 23 squeezes under the action of water flow
Pressing spring 2 24 is plugged in the top of pneumatic valve seat 21.
When occurring negative pressure condition inside water pipe, referring to attached drawing 2, attached drawing 3 and attached drawing 4, flap 23 is in external atmosphere pressure
The elastic force of spring 2 24 is overcome to move down under effect along guide rod 27, until fixture block 28 stops, gas enters in water pipe from cavity 25
Portion balances pressure, after pressure balance, under the action of water flow pressure, flap 23 is pushed to be back to the top of pneumatic valve seat, blocked
Pneumatic valve seat 21.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a kind of screw thread type copper destructive valve characterized by comprising with the sealing valve (1) of water pipe screwed connection and with it is described
The pneumatic operated valve (2) of sealing valve (1) screwed connection；
Wherein, the sealing valve (1) includes seal valve seat (11), support plate (12), seals cylinder (13) and spring one (14), described
Seal valve seat (11) is the cylindrical structure of perforation, and the bottom end and top of the seal valve seat (11) are respectively formed with internal screw thread one
(111) and internal screw thread two (112) support plate (12), the support plate, are fixed at the top of the internal screw thread one (111)
(12) several limbers (121) are formed with；The bottom end of the internal screw thread two (112) is provided with sealant (15), the sealant
(15) it is provided with the sealing cylinder (13) in, offers several through-holes (131) on the bottom end circumference of sealing cylinder (13)；It is described
The bottom end for sealing cylinder (13) is connect with the support plate (12) by the spring one (14)；The through-hole (131) with it is described close
Sealing (15) sealing cooperation；
The pneumatic operated valve (2) includes pneumatic valve seat (21), valve deck (22), flap (23) and spring two (24), the pneumatic valve seat
(21) bottom end is formed with external screw thread (211), the external screw thread (211) and internal screw thread two (112) screwed connection, the gas
The top of dynamic valve seat (21) is protruded outward in circumferencial direction, is formed cavity (25)；The valve deck (22) by bolt (26) with
The top of the pneumatic valve seat (21) is fixedly connected, and the guide rod of oriented bottom protrusion is fixedly connected on the inside of the valve deck (22)
(27), the flap (23) and the spring two (24) are set on the guide rod (27), the flap (23) passes through the bullet
Spring two (24) is connect with the valve deck (22), and the top of the flap (23) and the pneumatic valve seat (21), which seals, to be cooperated；It is described
It is connected to by the valve deck (22) with ambient atmosphere at the top of flap (23)；It is formed on the inner wall of pneumatic valve seat (21) bottom end convex
Clamping annulus (212) out.
2. a kind of screw thread type copper destructive valve according to claim 1, which is characterized in that the sealing cylinder (13) bottom end and institute
It states support plate (12) and is fixedly installed clamping ring (16), the clamping ring (16) is for fixing the spring one (14).
3. a kind of screw thread type copper destructive valve according to claim 1, which is characterized in that guide rod (27) bottom end is provided with
Fixture block (28).
4. a kind of screw thread type copper destructive valve according to claim 3, which is characterized in that the position of the fixture block (28) and institute
The bottom for stating cavity (25) is concordant.
5. a kind of screw thread type copper destructive valve according to claim 1, which is characterized in that the diameter of the valve deck (22) is greater than
The diameter on pneumatic valve seat (21) top, and the valve deck (22) connect with pneumatic valve seat (21) top after exist between
Gap.
6. a kind of screw thread type copper destructive valve according to any one of claims 1-5, which is characterized in that the spring one
(14) and the spring two (24) is zinc-plated antirust material.
7. a kind of screw thread type copper destructive valve according to any one of claims 1-5, which is characterized in that the seal valve seat
(11), the pneumatic valve seat (21) and the sealing cylinder (13) are brass material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821977948.2U CN209262343U (en) | 2018-11-28 | 2018-11-28 | A kind of screw thread type copper destructive valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821977948.2U CN209262343U (en) | 2018-11-28 | 2018-11-28 | A kind of screw thread type copper destructive valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209262343U true CN209262343U (en) | 2019-08-16 |
Family
ID=67564872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821977948.2U Expired - Fee Related CN209262343U (en) | 2018-11-28 | 2018-11-28 | A kind of screw thread type copper destructive valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209262343U (en) |
-
2018
- 2018-11-28 CN CN201821977948.2U patent/CN209262343U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20201128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |