CN209196186U - A kind of safe non-refillable valve - Google Patents
A kind of safe non-refillable valve Download PDFInfo
- Publication number
- CN209196186U CN209196186U CN201821844512.6U CN201821844512U CN209196186U CN 209196186 U CN209196186 U CN 209196186U CN 201821844512 U CN201821844512 U CN 201821844512U CN 209196186 U CN209196186 U CN 209196186U
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- China
- Prior art keywords
- bonnet
- valve
- frame body
- venting cavity
- valve rod
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Abstract
The utility model relates to a kind of safe non-refillable valve, including valve body, valve body has venting cavity and air inlet；It is equipped with valve rod in venting cavity, there is sealing on valve rod；Bonnet is additionally provided in venting cavity, bonnet is located at the lower section of air inlet and valve rod, has venthole in bonnet；It further include the spool of a top for being located at bonnet, spool includes frame body, and at least two blocking convex ribs are uniformly convexly equipped on the inner wall of the lower part of frame body, and the upper end of bonnet upwardly extends the buckle for being equipped with and being connected on frame body；It is equipped with to be shelved in frame body and stop on convex ribs and the ball sealer of face valve rod, the placement table for shelving ball sealer is additionally provided in the venthole of bonnet, placement table is located at the lower section for stopping convex ribs.It the utility model has the beneficial effects that: frame body, by snapping on bonnet, connection is reliable, and ball sealer is shelved on the blocking convex ribs of frame body, and state is highly stable, will not fall under the interference of other factors, therefore the problem of accidentally sealing will not be caused.
Description
Technical field
The utility model relates to air charging system technical field more particularly to a kind of safe non-refillable valves.
Background technique
When filling medium into steel cylinder, need to be filled using filling valve.In order to avoid after filling completion
The repeated charging problem generated by carelessness needs filling valve that must not carry out repeated charging.In order to solve this problem, the patent No.
A kind of safe non-refillable valve is provided for 201720707149.2 Chinese utility model patent, passes through the downlink of valve rod
It will be pushed up under a ball sealer, to realize the sealing after the completion of filling by ball sealer.Its there is also the shortcomings that be: ball sealer by
Muscle is shelved to be supported, and shelving the connection between muscle and spool not is that very securely, shelving muscle is easy to move or fall, into
And ball sealer is caused to fall down, so that there is a phenomenon where accidentally seal.
Summary of the invention
In order to overcome the above deficiencies in the prior art, the utility model provides a kind of simple and compact for structure, sealing
Ball is less prone to the safe non-refillable valve of accidentally Sealing Phenomenon.
The technical scheme in the invention for solving the technical problem is: a kind of safe non-refillable valve, including valve body, institute
State valve body have axially through venting cavity, the valve body is equipped with the air inlet that is connected with the venting cavity；
It is equipped with reciprocating valve rod in the venting cavity, has on the valve rod mutually close with the inner wall of the venting cavity
The sealing of envelope, the sealing position is in the top of the air inlet, the valve rod of the lower section of the sealing and the venting cavity
There is ventilation gap between inner wall；
It is additionally provided with bonnet in the venting cavity, which is located at the lower section of the air inlet and valve rod, has in the bonnet
Have axially through and venthole with the venting cavity connection；
It further include the spool of a top for being located at the bonnet, which includes frame body, on the inner wall of the lower part of the frame body
At least two blocking convex ribs are uniformly convexly equipped with, the upper end of the bonnet upwardly extends the buckle for being equipped with and being connected on the frame body；
In the frame body be equipped be shelved on it is described blocking convex ribs on and face described in valve rod ball sealer, the bonnet go out
The placement table for shelving the ball sealer is additionally provided in stomata, the placement table is located at the lower section for stopping convex ribs.
Preferably, being uniformly provided at least two protrusions on the inner wall of the placement table.
Preferably, the air inlet is equipped with protective case.
Preferably, the bonnet is threadedly attached in the venting cavity of the valve body.
Preferably, the outer wall of the lower end of the bonnet is in polygonized structure.
Preferably, the sealing of the valve rod is equipped with sealing ring.
Preferably, the size in the blocking convex ribs with frame body junction is minimum.
Preferably, the upper end of the placement table is equipped with the tapered surface met to the ball sealer.
When the utility model is used, gas is from air inlet by ventilation gap, the outlet of bonnet by inlet charge
Hole outflow.After filling, valve rod is pushed down on, valve rod pushes ball sealer, and ball sealer squeezes by force stops convex ribs, stops convex ribs
Deformation or fracture, ball sealer fall and drop down on placement table, sealing are formed, to effectively avoid repeated charging.
The utility model has the beneficial effects that: frame body, by snapping on bonnet, connection is reliable, and ball sealer is shelved
On the blocking convex ribs of frame body, state is highly stable, will not fall under the interference of other factors, therefore will not cause accidentally close
The problem of envelope.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Referring to Fig.1, a kind of safe non-refillable valve, including valve body 1, the valve body have axially through venting cavity 2,
The valve body is equipped with the air inlet 3 that is connected with the venting cavity, and in the present embodiment, the air inlet is equipped with protective case 4,
Long service life.
It is equipped with reciprocating valve rod 5 in the venting cavity 2, there is the inner wall phase with the venting cavity on the valve rod
The sealing 6 of sealing, in the present embodiment, the sealing of the valve rod is equipped with sealing ring 7, to reach sealing effect, this is close
Envelope portion 6 is located at the top of the air inlet 3, has between the valve rod of the lower section of the sealing and the inner wall of the venting cavity 2
Ventilation gap.
It is additionally provided with bonnet 9 in the venting cavity 2, which is located at the lower section of the air inlet 3 and valve rod 5, the bonnet
In have axially through and venthole 10 with the venting cavity connection, in the present embodiment, the bonnet 9 is connected through a screw thread
Into the venting cavity of the valve body 1, the outer wall of the lower end of the bonnet 9 is in polygonized structure, facilitates installation.
It further include the spool of a top for being located at the bonnet 9, which includes frame body 11, the inner wall of the lower part of the frame body
On be uniformly convexly equipped at least two blocking convex ribs 12, in the present embodiment, the ruler stopped in convex ribs 12 with 11 junction of frame body
Very little to be minimum, that is, the size of blocking convex ribs and frame body junction is less than the size for stopping the other positions of convex ribs, is convenient for stopping convex
Muscle 12 is deformed or is broken with respect to frame body 11, and the upper end of the bonnet 9 upwardly extends the buckle for being equipped with and being connected on the frame body
13。
In the frame body 11 be equipped be shelved on it is described blocking convex ribs 12 on and face described in valve rod 5 ball sealer 14, it is described
The placement table 15 for shelving the ball sealer is additionally provided in the venthole 10 of bonnet, the placement table is located at the blocking convex ribs
12 lower section in the present embodiment, is uniformly provided at least two protrusions 16, further prevents sealing on the inner wall of the placement table 15
Ball is fallen, and the upper end of the placement table 15 is equipped with the tapered surface 8 met to the ball sealer, and sealing effect is good.
When the utility model is used, by 3 air inlet of air inlet, gas goes out from air inlet by ventilation gap, bonnet 9
Stomata 10 flows out.After filling, valve rod 5 is pushed down on, valve rod pushes ball sealer 14, and ball sealer squeezes by force stops convex ribs
12, stop convex ribs deformation or fracture, ball sealer to fall and drop down on placement table 15, sealing is formed, to effectively avoid repeating
It fills.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into modification.
Claims (8)
1. a kind of safe non-refillable valve, including valve body, the valve body have axially through venting cavity, set on the valve body
There is the air inlet being connected with the venting cavity；
It is equipped with reciprocating valve rod in the venting cavity, is mutually sealed on the valve rod with the inner wall with the venting cavity
Sealing, the sealing position is in the top of the air inlet, the inner wall of the valve rod of the lower section of the sealing and the venting cavity
Between have ventilation gap；
It is characterized by: being additionally provided with bonnet in the venting cavity, which is located at the lower section of the air inlet and valve rod, the valve
Have in cap axially through and venthole with the venting cavity connection；
It further include the spool of a top for being located at the bonnet, which includes frame body, on the inner wall of the lower part of the frame body uniformly
At least two blocking convex ribs are convexly equipped with, the upper end of the bonnet upwardly extends the buckle for being equipped with and being connected on the frame body；
In the frame body be equipped be shelved on it is described blocking convex ribs on and face described in valve rod ball sealer, the venthole of the bonnet
In be additionally provided with placement table for shelving the ball sealer, the placement table is located at the lower section for stopping convex ribs.
2. a kind of safe non-refillable valve according to claim 1, it is characterised in that: on the inner wall of the placement table
It is even to be equipped at least two protrusions.
3. a kind of safe non-refillable valve according to claim 1 or 2, it is characterised in that: the air inlet is equipped with
Protective case.
4. a kind of safe non-refillable valve according to claim 1 or 2, it is characterised in that: the bonnet passes through screw thread
It is connected in the venting cavity of the valve body.
5. a kind of safe non-refillable valve according to claim 1 or 2, it is characterised in that: the lower end of the bonnet
Outer wall is in polygonized structure.
6. a kind of safe non-refillable valve according to claim 1 or 2, it is characterised in that: the sealing of the valve rod
It is equipped with sealing ring.
7. a kind of safe non-refillable valve according to claim 1 or 2, it is characterised in that: in the blocking convex ribs with
The size of frame body junction is minimum.
8. a kind of safe non-refillable valve according to claim 1 or 2, it is characterised in that: the upper end of the placement table
Equipped with the tapered surface met to the ball sealer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844512.6U CN209196186U (en) | 2018-11-09 | 2018-11-09 | A kind of safe non-refillable valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844512.6U CN209196186U (en) | 2018-11-09 | 2018-11-09 | A kind of safe non-refillable valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209196186U true CN209196186U (en) | 2019-08-02 |
Family
ID=67411116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821844512.6U Active CN209196186U (en) | 2018-11-09 | 2018-11-09 | A kind of safe non-refillable valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209196186U (en) |
-
2018
- 2018-11-09 CN CN201821844512.6U patent/CN209196186U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200201 Address after: Group 6, Fujia road village, Chongshou Town, Cixi City, Ningbo City, Zhejiang Province Patentee after: Chen Zhixue Address before: 315326 Zhejiang city of Ningbo province Cixi city Zhenning Feng Cun Zhang Jia Lu River Patentee before: Jiang Jie |