CN206802350U - A kind of gate valve of dual anti-leak - Google Patents
A kind of gate valve of dual anti-leak Download PDFInfo
- Publication number
- CN206802350U CN206802350U CN201720578787.9U CN201720578787U CN206802350U CN 206802350 U CN206802350 U CN 206802350U CN 201720578787 U CN201720578787 U CN 201720578787U CN 206802350 U CN206802350 U CN 206802350U
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- valve rod
- bonnet
- valve
- leak
- boss
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Abstract
It the utility model is related to a kind of gate valve of dual anti-leak.A kind of gate valve of dual anti-leak, including valve body, bonnet, valve rod and flashboard, the bonnet is located above the valve body, the flashboard is located at the valve inner, the valve rod sequentially passes through the bonnet and valve body, and the lower end of the valve rod connects the flashboard, wherein, a boss is provided with the bonnet, the boss is provided with the through hole passed through for the valve rod, the first O-ring seal is provided between the boss and the valve rod, the top of the boss is provided with the copper nut being enclosed on the valve rod, the copper nut periphery is provided with flange, the flange is stuck in the top of the bonnet, some second O-ring seals are provided between the copper nut and the valve rod, the 3rd O-ring seal is provided between the copper nut and the bonnet.The utility model is simple in construction, easy to use, it is possible to achieve the purpose of dual anti-leak, and also sealing property of the present utility model is more preferable, can improve the quality of product.
Description
Technical field
Valve technology field is the utility model is related to, more particularly, to a kind of gate valve of dual anti-leak.
Background technology
Dark bar soft sealing gate valve is widely used in the pipeline of the industries such as pharmacy, metallurgy, chemical industry, power industry, urban water supply and sewerage
On, for control piper flow of media and block, be one of most widely used valve in various fluid conveying engineerings.It is existing
Soft sealing gate valve sealing property is not ideal enough, and leak appears between the sealing between bonnet and gland and valve rod and gland more
Sealing.
Utility model content
The utility model is to overcome above-mentioned at least one defect of the prior art, there is provided a kind of lock of dual anti-leak
Valve.The utility model is simple in construction, easy to use, it is possible to achieve the purpose of dual anti-leak, and sealing of the present utility model
Performance is more preferable, can improve the quality of product.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of gate valve of dual anti-leak, bag
Valve body, bonnet, valve rod and flashboard are included, the bonnet is located above the valve body, and the flashboard is located at the valve inner, described
Valve rod sequentially passes through the bonnet and valve body, and the lower end of the valve rod connects the flashboard, wherein, one is provided with the bonnet
Boss, the boss are provided with the through hole passed through for the valve rod, the first O-shaped sealing are provided between the boss and the valve rod
Circle, the top of the boss are provided with the copper nut being enclosed on the valve rod, and the copper nut periphery is provided with flange, the flange
The top of the bonnet is stuck in, some second O-ring seals are provided between the copper nut and the valve rod, it is preferred that described
The number of second O-ring seal is three, and the 3rd O-ring seal is provided between the copper nut and the bonnet.So design,
Exactly some second O-ring seals on the basis of it is again more be additionally arranged the first O-ring seal, prevent equal to one of sealing is additionally arranged
Line, the purpose of dual anti-leak can be played.
Further, the valve rod is provided with the copper nut cooperation and the second O-ring seal quantity is corresponding
Seal groove, second O-ring seal are correspondingly arranged in the seal groove.Seal groove is located on valve rod, processing and dress
With easy.
Further, the top of the valve rod is provided with handwheel.
Compared with prior art, its advantage is the utility model：
Valve rod of the present utility model places the second O-shaped sealing with copper nut cooperation, seal groove is provided with valve rod
Circle, it is ensured that sealing property is reliable, and easy to process and assembling, and required precision is low, and production cost is low.In addition, also set up on valve rod
First O-ring seal, not only increases sealing property, plays dual anti-leak purpose again, can also not stop medium supply
In the case of very easily change the 3rd O-ring seal, enhance the performance of the gate valve.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by accompanying drawing.Being given for example only property of position relationship described in accompanying drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
As depicted in figs. 1 and 2, a kind of gate valve of dual anti-leak, including valve body 1, bonnet 2, valve rod 3 and flashboard 4, bonnet
2 are located at the top of valve body 1, and flashboard 4 is located inside valve body 1, and valve rod 3 sequentially passes through bonnet 2 and valve body 1, and the lower end connection of valve rod 3
Flashboard 4, wherein, be provided with a boss 21 in bonnet 2, boss 21 is provided with the through hole passed through for valve rod 3, boss 21 and valve rod 3 it
Between be provided with the first O-ring seal 5, the top of boss 21 is provided with the copper nut 6 being enclosed on valve rod 3, and the periphery of copper nut 6 is provided with convex
Edge 61, flange 61 are stuck in the top of bonnet 2, are provided with three the second O-ring seals 7 between copper nut 6 and valve rod 3, copper nut 6 with
The 3rd O-ring seal 8 is provided between bonnet 2.So design, be exactly some second O-ring seals 7 on the basis of again increase more
If the first O-ring seal 5, equal to one of sealing defence line is additionally arranged, the purpose of dual anti-leak can be played.
As depicted in figs. 1 and 2, valve rod 3 with the cooperation of copper nut 6 be provided with and the quantity of the second O-ring seal 7 it is corresponding seal
Ring recess 9, the second O-ring seal 7 are correspondingly arranged in seal groove 9.Seal groove 9 is located on valve rod 3, and processing and assembling are easy.
As shown in figure 1, the top of valve rod 3 is provided with handwheel 10.
Obviously, above-described embodiment of the present utility model is used for the purpose of clearly demonstrating the utility model example,
And it is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, stated upper
It can also be made other changes in different forms on the basis of bright.There is no need and unable to give all embodiments
With exhaustion.All made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., all should be included
Within the protection domain of the utility model claims.
Claims (4)
1. a kind of gate valve of dual anti-leak, including valve body（1）, bonnet（2）, valve rod（3）And flashboard（4）, the bonnet（2）If
In the valve body（1）Top, the flashboard（4）It is located at the valve body（1）Inside, the valve rod（3）Sequentially pass through the bonnet
（2）And valve body（1）, and the valve rod（3）Lower end connect the flashboard（4）, it is characterised in that the bonnet（2）Inside it is provided with
One boss（21）, the boss（21）It is provided with and supplies the valve rod（3）The through hole passed through, the boss（21）With the valve rod
（3）Between be provided with the first O-ring seal（5）, the boss（21）Top be provided be enclosed on the valve rod（3）On copper nut
（6）, the copper nut（6）Periphery is provided with flange（61）, the flange（61）It is stuck in the bonnet（2）Top, the copper
Nut（6）With the valve rod（3）Between be provided with some second O-ring seals（7）, the copper nut（6）With the bonnet（2）It
Between be provided with the 3rd O-ring seal（8）.
A kind of 2. gate valve of dual anti-leak according to claim 1, it is characterised in that second O-ring seal（7）
Number be three.
A kind of 3. gate valve of dual anti-leak according to claim 1, it is characterised in that the valve rod（3）With the copper
Nut（6）It is provided with and second O-ring seal at cooperation（7）Seal groove corresponding to quantity（9）, the second O-shaped sealing
Circle（7）It is correspondingly arranged at the seal groove（9）In.
A kind of 4. gate valve of dual anti-leak according to claim 1, it is characterised in that the valve rod（3）Top set
There is handwheel（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578787.9U CN206802350U (en) | 2017-05-23 | 2017-05-23 | A kind of gate valve of dual anti-leak |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578787.9U CN206802350U (en) | 2017-05-23 | 2017-05-23 | A kind of gate valve of dual anti-leak |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206802350U true CN206802350U (en) | 2017-12-26 |
Family
ID=60741820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720578787.9U Active CN206802350U (en) | 2017-05-23 | 2017-05-23 | A kind of gate valve of dual anti-leak |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206802350U (en) |
-
2017
- 2017-05-23 CN CN201720578787.9U patent/CN206802350U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210721 Address after: 527199 niuxu River, Ducheng Town, Yunfu City, Guangdong Province Patentee after: Guangdong Liansu Valve Co.,Ltd. Address before: Shunde Longzhou road Longjiang 528318 Guangdong Liansu industrial village in Foshan Province Patentee before: Guangdong Liansu Technology Industrial Co.,Ltd. |
|
| TR01 | Transfer of patent right |