CN209100663U - A kind of anti-return shut-off valve - Google Patents
A kind of anti-return shut-off valve Download PDFInfo
- Publication number
- CN209100663U CN209100663U CN201821104209.2U CN201821104209U CN209100663U CN 209100663 U CN209100663 U CN 209100663U CN 201821104209 U CN201821104209 U CN 201821104209U CN 209100663 U CN209100663 U CN 209100663U
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- China
- Prior art keywords
- hole
- valve
- block
- threaded
- valve body
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of anti-return shut-off valves, belong to shut-off valve field, a kind of anti-return shut-off valve, including valve body, the left end of valve body, which is dug, inlet channel, the right end cutting of valve body has water outlet, inlet channel is dug close to one end of water outlet threaded hole, the upside of threaded hole is equipped with the threaded block to match with threaded hole, the lower end of threaded block is connected with sealing block, digging in threaded block has cavity, the upper end of threaded block, which is dug, first through hole, and first through hole is communicated with cavity, link block is equipped in cavity, and link block runs through first through hole, the upside of valve body is equipped with valve deck, the upper end of valve deck is fixedly connected with protective shell, digging on valve deck has the second through-hole, the upper end of protective shell, which is dug, the third through-hole to match with the second through-hole, connecting rod is equipped on the upside of protective shell, and connecting rod is through the second through-hole and third through-hole and connection Block is fixedly connected, and fluid may be implemented and be not easy to flow back, it is easy to accomplish forced seal valve.
Description
Technical field
The utility model relates to shut-off valve fields, more specifically to a kind of anti-return shut-off valve.
Background technique
Currently, in fluid delivery pipeline, it is defeated after the exit of pumping plant mostly prevents pumping plant from shutting down using check-valves
Fluid reflux is sent, finally cuts off pipeline using the shut-off valve being installed in series with check-valves, since check-valves and shut-off valve are independent
Manufacture and design, install respectively.
Install and use that axial occupation space is big, installing and dismounting process is cumbersome, and manufacture is also more with material, cost height, thus
It is simple to be provided to a kind of installation of fluid delivery pipeline, it is again small using axial occupation space, collect non-return and cutoff function in one
The shut-off valve of body.
Utility model content
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of anti-return shut-off valve, it
Fluid may be implemented to be not easy to flow back, it is easy to accomplish forced seal valve.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of anti-return shut-off valve, including valve body, the left end of the valve body, which is dug, inlet channel, and the right end of the valve body is opened
It is carved with water outlet, the inlet channel is dug close to one end of water outlet threaded hole, and the inlet channel and water outlet pass through screw thread
Hole communicates, and the upside of the threaded hole is equipped with the threaded block to match with threaded hole, and the lower end of the threaded block is connected with sealing
Block, interior dig of the threaded block have cavity, and the upper end of the threaded block, which is dug, first through hole, and first through hole and cavity phase
It is logical, link block is equipped in the cavity, and link block runs through first through hole, the upside of the valve body is equipped with valve deck, the valve deck
Fixing screws are threaded between valve body, digging on the valve deck has the second through-hole, the company of being plugged in second through-hole
Extension bar, and connecting rod is fixedly connected through the second through-hole and with link block, the upper end of the connecting rod is fixedly connected with handle, institute
It states connecting rod and is located at one end of valve inner and be fixedly connected with restraining position ring block, pressure is connected between the stop collar and the lower end of valve deck
Contracting spring, and compressed spring and connecting rod are socketed, the upside of the threaded hole is equipped with the silica gel seal to match with threaded block, and
Multiple equally distributed brackets are fixedly connected between silica gel seal and valve body.
Further, it is connected with seal washer between the valve body and valve deck, is easy to improve close between valve body and valve deck
Feng Xing.
Further, it is connected with one layer of rubber gasket on the side wall of the sealing block, is easy to improve threaded hole and sealing block
Between leakproofness.
Further, the lower end of the link block is fixedly connected with a pair of of limited block, fixed company on the inner wall of the cavity
It is connected to a pair of limit plate to match with limited block, is easy to make link block that threaded block be driven to be rotated, structure is simple, saves people
Power.
3. beneficial effect
Compared with the prior art, utility model has the advantages that
(1) this programme fluid is not easy to flow back, it is easy to accomplish the forced seal of valve.
(2) it is connected with seal washer between valve body and valve deck, is easy to improve the leakproofness between valve body and valve deck.
(3) it is connected with one layer of rubber gasket on the side wall of sealing block, is easy to improve the sealing between threaded hole and sealing block
Property.
(4) lower end of link block is fixedly connected with a pair of of limited block, and a pair of and limit is fixedly connected on the inner wall of cavity
The limit plate that block matches is easy to make link block that threaded block be driven to be rotated, and structure is simple, saves manpower.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the structural schematic diagram in Fig. 1 at A.
Figure label explanation:
1 valve body, 2 inlet channels, 3 water outlets, 4 threaded holes, 5 connecting rods, 6 valve decks, 7 compressed springs, 8 protective shells, 9 fixed spiral shells
Nail, 10 link blocks, 11 threaded blocks, 12 sealing blocks, 13 handles, 14 limited blocks, 15 limit plates.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model；The technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe；Obviously；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；It fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " top/bottom end " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used for description mesh
, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be with
It is to be detachably connected, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be with
Indirectly connected through an intermediary, it can be the connection inside two elements.For the ordinary skill in the art, may be used
The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Embodiment 1:
A kind of anti-return shut-off valve referring to FIG. 1-2, including valve body 1, the left end of valve body 1, which is dug, inlet channel 2, valve body 1
Right end cutting have a water outlet 3, inlet channel 2 is dug close to one end of water outlet 3 threaded hole 4, and inlet channel 2 and water outlet 3 are logical
It crosses threaded hole 4 to communicate, the upside of threaded hole 4 is equipped with the threaded block 11 to match with threaded hole 4, and the lower end of threaded block 11 is connected with
Sealing block 12, the upper end of threaded block 11, interior dig of threaded block 11 have cavity, and the upper end of threaded block 11, which is dug, first through hole, and
First through hole is communicated with cavity, link block 10 is equipped in cavity, and link block 10 runs through first through hole, the upside of valve body 1 is equipped with
Valve deck 6 is threaded with fixing screws 9 between valve deck 6 and valve body 1, digging on valve deck 6 has the second through-hole, the second through-hole interpolation
It is connected to connecting rod 5, and connecting rod 5 is fixedly connected through the second through-hole and with link block 10, the upper end of connecting rod 5 is fixedly connected with
Handle 13, one end that connecting rod 5 is located inside valve body 1 are fixedly connected with restraining position ring block 8, connect between stop collar 8 and the lower end of valve deck 6
It is connected to compressed spring 7, and compressed spring 7 and connecting rod 5 are socketed, the upside of threaded hole 4 is equipped with the silicon to match with threaded block 11
Glue seal 16, and multiple equally distributed brackets are fixedly connected between silica gel seal 16 and valve body 1, fluid is not easy to flow back,
It is easily achieved the forced seal of valve, is fixedly connected with seal washer between valve body 1 and valve deck 6, is easy to improve valve body 1 and valve deck
Leakproofness between 6 is fixedly connected with one layer of rubber gasket on the side wall of sealing block 12, is easy to improve threaded hole 4 and sealing block
Leakproofness between 12, the lower end of link block 10 are fixedly connected with a pair of of limited block 14, are fixedly connected with one on the inner wall of cavity
To the limit plate 15 to match with limited block 14, it is easy to make link block 10 that threaded block 11 be driven to be rotated, structure is simple, saves
Manpower.
When fluid enters device from inlet channel 2, through-flow body process medium fluid can will have upward work to sealing block 12
Firmly, so that sealing block 12 is ejected threaded hole 4 and compress compressed spring 7, inlet channel 2 and water outlet 3 form access, realize stream
The circulation of body, after stopping through-flow body, fluid reduces the active force of sealing block 12, the sealing block 12 under the action of compressed spring 7
It will return in threaded hole 4, when fluid enters device from water outlet 3, threaded block 11 makes to seal by by downward active force
Block 12 always situated in threaded hole 4 and make threaded hole 4 close, realize fluid be not easy to reflux effect, when need force envelope
When closing threaded hole 4, simultaneously swing handle 13 is pushed, makes connecting rod 5 that link block 10 be driven to rotate, when the limited block 14 on link block 10
After being in contact with the limit plate 15 in threaded block 11, threaded block 11 also be connected block 10 drive rotated, make threaded block 11 by
It is gradually screwed into threaded hole 4, makes the threaded connection of threaded block 11 Yu threaded hole 4, realizes the sealing of threaded hole 4, closes the valve.
It is described above；The only preferable specific embodiment of the utility model；But the protection scope of the utility model is not
It is confined to this；Anyone skilled in the art is within the technical scope disclosed by the utility model；It is practical according to this
Novel technical solution and its improvement design is subject to equivalent substitution or change；It should all cover in the protection scope of the utility model
It is interior.
Claims (4)
1. a kind of anti-return shut-off valve, including valve body (1), it is characterised in that: the left end of the valve body (1), which is dug, inlet channel
(2), the right end cutting of the valve body (1) has water outlet (3), and the inlet channel (2) is dug close to the one end of water outlet (3) spiral shell
Pit (4), the inlet channel (2) are communicated with water outlet (3) by threaded hole (4), and the upside of the threaded hole (4) is equipped with and spiral shell
The lower end of the threaded block (11) that pit (4) matches, the threaded block (11) is connected with sealing block (12), the threaded block (11)
Interior cutting has cavity, and the upper end of the threaded block (11), which is dug, first through hole, and first through hole is communicated with cavity, the cavity
It is interior to be equipped with link block (10), and link block (10) runs through first through hole, the upside of the valve body (1) is equipped with valve deck (6), the valve
It being threaded with fixing screws (9) between lid (6) and valve body (1), digging on the valve deck (6) has the second through-hole, and described second
It is plugged in through-hole connecting rod (5), and connecting rod (5) is fixedly connected through the second through-hole and with link block (10), the connection
The upper end of bar (5) is fixedly connected with handle (13), and one end that the connecting rod (5) is located at valve body (1) inside is fixedly connected limited
Position ring (8), be connected with compressed spring (7) between the stop collar (8) and the lower end of valve deck (6), and compressed spring (7) with connect
Bar (5) socket, the upside of the threaded hole (4) are equipped with the silica gel seal (16) to match with threaded block (11), and silica gel seal
(16) multiple equally distributed brackets are fixedly connected between valve body (1).
2. a kind of anti-return shut-off valve according to claim 1, it is characterised in that: between the valve body (1) and valve deck (6)
It is connected with seal washer.
3. a kind of anti-return shut-off valve according to claim 1, it is characterised in that: connect on the side wall of the sealing block (12)
It is connected to one layer of rubber gasket.
4. a kind of anti-return shut-off valve according to claim 1, it is characterised in that: the lower end of the link block (10) is fixed
It is connected with a pair of of limited block (14), a pair of limit plate to match with limited block (14) is fixedly connected on the inner wall of the cavity
(15)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821104209.2U CN209100663U (en) | 2018-07-12 | 2018-07-12 | A kind of anti-return shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821104209.2U CN209100663U (en) | 2018-07-12 | 2018-07-12 | A kind of anti-return shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209100663U true CN209100663U (en) | 2019-07-12 |
Family
ID=67149715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821104209.2U Expired - Fee Related CN209100663U (en) | 2018-07-12 | 2018-07-12 | A kind of anti-return shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209100663U (en) |
-
2018
- 2018-07-12 CN CN201821104209.2U patent/CN209100663U/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: 20190712 Termination date: 20200712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |