CN209325118U - A kind of novel cutoff valve - Google Patents
A kind of novel cutoff valve Download PDFInfo
- Publication number
- CN209325118U CN209325118U CN201821887703.0U CN201821887703U CN209325118U CN 209325118 U CN209325118 U CN 209325118U CN 201821887703 U CN201821887703 U CN 201821887703U CN 209325118 U CN209325118 U CN 209325118U
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- thread bush
- piston
- guide rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a kind of novel cutoff valves, including valve body, the valve body is provided with through slot, and the valve body is provided with connector, and the upper end of the valve body has been connected through a screw thread valve deck, thread bush has been connected through a screw thread in the valve deck, the thread bush is provided with pilot hole, and sliding sleeve is connected to guide rod in the pilot hole, and the first spring is socketed on the outside of the guide rod, the lower end of the guide rod is fixedly connected with piston, and the lower end of the piston is pasted with rubber pad；The upper end of the thread bush has been connected through a screw thread sealing-plug.The novel cutoff valve is by piston and rubber pad to closing in valve body, and the first spring compression piston, when pressure is excessive in valve body, piston and rubber pad can move, and carry out releasing pressure automatically, pressure overload is avoided to cause to damage to pipeline, and the cooperation of gear and latch, thread bush can be positioned, avoid thread bush from rotating and cause to shift, caused poorly sealed under normal pressure.
Description
Technical field
The utility model relates to shut-off valve technical field, specially a kind of novel cutoff valve.
Background technique
Shut-off valve is also pipe valve, is a kind of most popular valve, and why very popular it is, is due to being opened and closed
Frictional force is small between sealing surface in journey, relatively durable, and Lift is little, manufacture be easy, it is easy to maintenance, be applicable not only in it is low
Pressure, and it is suitable for high pressure.Shut-off valve plays the important function of cutting and throttling to the medium in the pipeline where it, is a kind of
Extremely important truncation class valve.
But shut-off valve is when being mounted in pipeline, and since it blocks pipeline medium, when pressure load is excessive in pipeline,
Shut-off valve does not have pressure-relief measure, and pipeline is be easy to cause to damage.And shut-off valve passes through the cooperation of threaded rod and valve deck, so that sealing
Component seals the intracorporal circulation groove of valve, and frequent operation, which is easy to cause between threaded rod and valve deck, to be connected more flexibly, leads to this
Position is threadedly coupled and is easy to happen loosening, causes shut-off valve under normal pressure poorly sealed.
Utility model content
The purpose of this utility model is to provide a kind of novel cutoff valves, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of novel cutoff valve, including valve body, institute
It states valve body and is provided with through slot, the valve body is provided with connector, and the upper end of the valve body has been connected through a screw thread valve deck, the valve deck
It is inside connected through a screw thread thread bush, the thread bush is provided with pilot hole, and sliding sleeve is connected to guide rod in the pilot hole, described
The first spring is socketed on the outside of guide rod, the lower end of the guide rod is fixedly connected with piston, and the lower end of the piston is pasted with rubber
Rubber mat；
The upper end of the thread bush has been connected through a screw thread sealing-plug, has been fixedly attached gear on the outside of the thread bush,
The upper end of the gear is fixedly connected with handle, and the upper end of the valve deck is fixedly connected with shell, and the shell is provided with sliding slot,
Sliding sleeve is connected to slide bar in the sliding slot, is socketed with second spring on the outside of the slide bar.
Preferably, the lower end of the valve deck is pasted with gasket, and the gasket is close to the upper end of valve body.
Preferably, the inner wall of the piston and valve body is slidably socketed.
Preferably, the inner wall of the rubber pad and valve body is slidably socketed.
Preferably, restraining position ring block is fixedly attached on the outside of the guide rod.
Preferably, the left end of the slide bar is fixedly connected with latch, and the latch and gear are clamped.
Compared with prior art, the utility model has the beneficial effects that the novel cutoff valve passes through piston and rubber pad pair
It is closed in valve body, and the first spring compression piston, when pressure is excessive in valve body, piston and rubber pad can be moved
It is dynamic, releasing pressure automatically is carried out, avoids pressure overload from causing to damage to pipeline, and the cooperation of gear and latch, it can be to thread bush
It is positioned, avoids thread bush from rotating and cause to shift, caused poorly sealed under normal pressure.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is enlarged drawing at the A of the utility model；
Fig. 3 is enlarged drawing at the B of the utility model.
In figure: 1 valve body, 2 through slots, 3 connectors, 4 valve decks, 5 gaskets, 6 thread bush, 7 pilot holes, 8 guide rods, 9 first springs,
10 pistons, 11 rubber pads, 12 sealing-plugs, 13 gears, 14 handles, 15 shells, 16 sliding slots, 17 slide bars, 18 second springs, 19 cards
Tooth, 20 stop collars.
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.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of novel cutoff valve, including valve body 1, valve body 1
It is provided with through slot 2, there is circulation effect, valve body 1 is provided with connector 3, is used for connecting line, and medium one-way flow is flowed from connector 3
Out, the upper end of valve body 1 has been connected through a screw thread valve deck 4, and the lower end of valve deck 4 is pasted with gasket 5, and gasket 5 is upper with valve body 1
End is close to, and is sealed to valve body 1, and thread bush 6 has been connected through a screw thread in valve deck 4, and with valve deck 4 spiral shell can occur for thread bush 6
Line movement, generates relative displacement, and thread bush 6 is provided with pilot hole 7, and sliding sleeve is connected to guide rod 8 in pilot hole 7, and pilot hole 7 is to leading
Bar 8 has guiding role, and the outside of guide rod 8 is socketed with the first spring 9, is compressive state, has compression elasticity effect, guide rod 8
Lower end be fixedly connected with piston 10, piston 10 and the inner wall of valve body 1 are slidably socketed, and piston 10 and valve body 1 are mechanical seal, are prevented
Only medium flows out, and the lower end of piston 10 is pasted with rubber pad 11, and rubber pad 11 and the inner wall of valve body 1 are slidably socketed, rubber pad 11
It seals and cooperates with valve body 1, prevent medium from flowing out, the outside of guide rod 8 is fixedly attached restraining position ring block 20, and stop collar 20 has guide rod 8
There is position-limiting action, prevents guide rod 8 from falling off from thread bush 6；
The upper end of thread bush 6 has been connected through a screw thread sealing-plug 12, and sealing-plug 12 has sealing function, spiral shell to thread bush 6
The outside of line set 6 has been fixedly attached gear 13, and the upper end of gear 13 is fixedly connected with handle 14, and handle 14 facilitates rotate gear
13, the upper end of valve deck 4 is fixedly connected with shell 15, and shell 15 is provided with sliding slot 16, and sliding sleeve is connected to slide bar 17 in sliding slot 16, sliding
Slot 16 has guiding role to slide bar 17, and the outside of slide bar 17 is socketed with second spring 18, and the left end of slide bar 17 is fixedly connected with
Latch 19, latch 19 and gear 13 are clamped, and second spring 18 is compressive state, can be made 19 clamping gear 13 of latch, be prevented
Gear 13 rotates.
When the utility model is specifically implemented: the medium of 1 bottom of valve body is to rubber pad when pressure medium is excessive in pipeline
11 have thrust, and rubber pad 11 is pushed up, and rubber pad 11 is slided along the inner wall of valve body 1, and push piston 10 upward
It is mobile, the first spring 9 is compressed, guide rod 8 moves up, when rubber pad 11 and piston 10 slip over the left end of connector 3, medium
It is flowed out by connector 3, carries out releasing pressure automatically, pressure medium is avoided to cross macrolesion pipeline；When shut-off valve is in close state,
Under the compression elasticity effect of second spring 18,19 clamping gear 13 of latch prevents gear 13 from rotating, to prevent 6 turns of thread bush
It is dynamic, so that thread bush 6 and the threaded connection of valve deck 4 are reliable and stable, avoid thread bush 6 and the connection of valve deck 4 flexible, so that screw thread
Set 6 rotates with valve deck 4, so that 6 position of thread bush be caused to move up, causes the first spring 9 to move up, causes compression elasticity
It reduces, so that shut-off valve under regular operating pressures poorly sealed.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of novel cutoff valve, including valve body (1), it is characterised in that: the valve body (1) is provided with through slot (2), the valve body
(1) it is provided with connector (3), the upper end of the valve body (1) has been connected through a screw thread valve deck (4), passes through screw thread in the valve deck (4)
It is connected with thread bush (6), the thread bush (6) is provided with pilot hole (7), and the interior sliding sleeve of the pilot hole (7) is connected to guide rod
(8), it is socketed with the first spring (9) on the outside of the guide rod (8), the lower end of the guide rod (8) is fixedly connected with piston (10), institute
The lower end for stating piston (10) is pasted with rubber pad (11)；
The upper end of the thread bush (6) has been connected through a screw thread sealing-plug (12), and the outside fixing sleeve of the thread bush (6) is connected to
The upper end of gear (13), the gear (13) is fixedly connected with handle (14), and the upper end of the valve deck (4) is fixedly connected with shell
(15), the shell (15) is provided with sliding slot (16), and the interior sliding sleeve of the sliding slot (16) is connected to slide bar (17), the slide bar (17)
Outside be socketed with second spring (18).
2. a kind of novel cutoff valve according to claim 1, it is characterised in that: the lower end of the valve deck (4) is pasted with close
Packing (5), the gasket (5) are close to the upper end of valve body (1).
3. a kind of novel cutoff valve according to claim 1, it is characterised in that: the piston (10) is interior with valve body (1)
Wall is slidably socketed.
4. a kind of novel cutoff valve according to claim 1, it is characterised in that: the rubber pad (11) and valve body (1)
Inner wall is slidably socketed.
5. a kind of novel cutoff valve according to claim 1, it is characterised in that: be fixedly attached on the outside of the guide rod (8)
Restraining position ring block (20).
6. a kind of novel cutoff valve according to claim 1, it is characterised in that: the left end of the slide bar (17) is fixedly connected
Have latch (19), the latch (19) and gear (13) are clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821887703.0U CN209325118U (en) | 2018-11-16 | 2018-11-16 | A kind of novel cutoff valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821887703.0U CN209325118U (en) | 2018-11-16 | 2018-11-16 | A kind of novel cutoff valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209325118U true CN209325118U (en) | 2019-08-30 |
Family
ID=67710433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821887703.0U Expired - Fee Related CN209325118U (en) | 2018-11-16 | 2018-11-16 | A kind of novel cutoff valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209325118U (en) |
-
2018
- 2018-11-16 CN CN201821887703.0U patent/CN209325118U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20201116 |