CN207750510U - Gas-combustion valve and pipe-line system - Google Patents
Gas-combustion valve and pipe-line system Download PDFInfo
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- CN207750510U CN207750510U CN201820066670.7U CN201820066670U CN207750510U CN 207750510 U CN207750510 U CN 207750510U CN 201820066670 U CN201820066670 U CN 201820066670U CN 207750510 U CN207750510 U CN 207750510U
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Abstract
The utility model provides a kind of Gas-combustion valve and pipe-line system, it is related to valve technology field, the Gas-combustion valve, include the valve body with blast tube, the gate valve component for opening and closing blast tube and the handwheel for driving gate valve component movement, gate valve component includes the flashboard that the valve rod being pivotally connected with valve body and outer surface are enclosed with elastic sleeve, seal assembly is equipped at valve rod and valve body pivot points, and handwheel can driving stem rotation, valve rod is equipped with external screw thread, flashboard is equipped with the internal thread to match with external screw thread, and flashboard can be along the axial movement of valve rod.The Gas-combustion valve of the utility model has the characteristics that leakproofness is high.
Description
Technical field
The utility model is related to valve technology field more particularly to a kind of Gas-combustion valve and pipe-line systems.
Background technology
With the development of pipe natural gas, valve of gas pipeline demand is increasing, wherein is opened as pipe gas control
The valve of pass is then the critical piece for influencing gas pipeline general safety.Gas-combustion valve by installing thrust bearing on valve rod,
Valve rod can be passed through from flashboard central through hole when valve opening, and flashboard is made to be promoted along valve rod, and valve rod does not rise, and then be reached
Open and close the purpose of valve body, meanwhile, because when its is simple in structure, price is low and opens without flow resistance, and then in gas pipeline
On be widely used.
Although existing Gas-combustion valve can have the function that it is above-mentioned, existing Gas-combustion valve is complicated, and
It is equipped with groove between valve body and valve plate, uses be easy the substances such as siltation sandstone in rearward recess for a long time, be easy to cause sealing not
Tightly, this object for appreciation is removed, since gate and valve body are metal material, damage is be easy to cause when metal is with metal friction, and metal holds
Easy-to-rust, and then poorly sealed situation can be caused to occur, there are the technical problems of sealing effect difference.
Utility model content
The purpose of this utility model is to provide a kind of Gas-combustion valve and pipe-line systems, to alleviate existing Gas-combustion valve knot
Structure is complicated, and groove is equipped between valve body and valve plate, uses be easy the substances such as siltation sandstone in rearward recess for a long time, be easy
Cause sealing not tight, remove this object for appreciation, since gate and valve body are metal material, damage is be easy to cause when metal is with metal friction
It is bad, and metal is easy corrosion, and then poorly sealed situation can be caused to occur, there are the technical problems of sealing effect difference.
A kind of Gas-combustion valve provided by the utility model includes valve body with blast tube, for opening and closing the combustion gas
The gate valve component in channel and handwheel for driving the gate valve component movement；
The gate valve component includes the flashboard that the valve rod being pivotally connected with the valve body and outer surface are enclosed with elastic sleeve, described
Seal assembly is equipped at valve rod and the valve body pivot points, and the handwheel can drive the valve rod to rotate；
The valve rod is equipped with external screw thread, and the flashboard is equipped with the internal thread to match with the external screw thread, and the flashboard
It can be along the axial movement of the valve rod.
Further, the seal assembly includes first seal, second seal and third sealing element, and described first
Sealing element, the second seal and the third sealing element three are sleeved on successively along the handwheel to the direction of the flashboard
On the valve rod.
Further, the valve body includes valve body and valve deck, and the valve deck is connect by bolt with the valve body.
Further, further include the 4th sealing element；
The 4th sealing element is equipped at the valve body and the valve deck link position.
Further, the valve rod is equipped with thrust ring, and the thrust ring is located at the second seal and the third
Between sealing element.
Further, the first seal is dust washer.
Further, the second seal, the third sealing element be and the 4th sealing element be O-shaped sealing
Circle.
Further, the elastic lock set is rubber material.
Further, the handwheel is enclosed with anti-skid plastic.
The beneficial effects of the utility model are：
The Gas-combustion valve includes the valve body with blast tube, the gate valve component for opening and closing blast tube and for driving
The handwheel of gate valve component movement, wherein gate valve component includes that the valve rod being pivotally connected with valve body and outer surface are enclosed with elastic sleeve
Flashboard, and handwheel being capable of driving stem rotation.When carrying out the Gas-combustion valve and opening, by the handwheel that is arranged on valve rod to first
Direction rotation valve rod, since valve rod is equipped with external screw thread, flashboard is equipped with the internal thread that matches with external screw thread, flashboard internal thread with
Valve rod external screw thread is fitted to each other down, so flashboard under the rotation of valve rod can along valve rod axial direction and to close to handwheel side
Easy to operate to realize the opening of entire Gas-combustion valve to movement, it is convenient to open.
Meanwhile when carrying out the Gas-combustion valve and closing, by the handwheel that is arranged on valve rod to opposite with first direction the
Two direction rotation valve rods, since valve rod is equipped with external screw thread, flashboard is equipped with the internal thread to match with external screw thread, in flashboard internal thread
Be fitted to each other down with valve rod external screw thread, so flashboard under the rotation of valve rod can along valve rod axial direction and to far from handwheel
Direction moves, to realize the closing of entire Gas-combustion valve, wherein elastic lock set is coated in flashboard, due to elastic lock
Distinctive elastic deformation characteristics are covered, when flashboard is bonded completely with blast tube, the deformation quantity that elastic lock set generates can be more preferable
Occur the case where being fully sealed blast tube, prevent blast tube poor sealing, gas leakage.
Except before this, seal assembly is equipped at valve rod and valve body pivot points, seal assembly can improve the combustion gas lock
The integral sealing effect of valve, the case where further preventing the gas leakage in gas pipeline, occur, and have ensured that the Gas-combustion valve is close
The reliability of envelope.
The utility model, when carrying out Gas-combustion valve closing, utilizes elastic lock by wrapping up flexible lock set on flashboard
Distinctive elastic deformation characteristics are covered, when flashboard is bonded completely with blast tube, the deformation quantity that elastic lock set generates can be more preferable
Occur the case where being fully sealed blast tube, prevent blast tube poor sealing, gas leakage, meanwhile, then by valve
Seal assembly is equipped at bar and valve body pivot points, seal assembly can improve the integral sealing effect of the Gas-combustion valve, into one
The case where step prevents the gas leakage in gas pipeline occurs, and then in the case where flashboard, elastic lock set and seal assembly are fitted to each other,
The purpose for realizing the high leakproofness of the Gas-combustion valve has ensured reliability and the safety of the Gas-combustion valve sealing effect.
The utility model provides a kind of pipe-line system with above-mentioned Gas-combustion valve.
The beneficial effects of the utility model are：
The pipe-line system is identical as advantage possessed by above-mentioned Gas-combustion valve, and details are not described herein.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the Gas-combustion valve that the utility model embodiment one provides；
Fig. 2 is the enlarged drawing at A in Fig. 1.
Icon：1- valve bodies；2- gate valve group valences；3- handwheels；4- seal assemblies；The 4th sealing elements of 5-；11- valve bodies；12- valves
Lid；13- blast tubes；21- valve rods；22- flashboards；211- thrust rings；41- first seals；42- second seals；43- thirds
Sealing element.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are 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 ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Embodiment one
Include valve body 1 with blast tube 13, for opening as shown in Figure 1, a kind of Gas-combustion valve provided in this embodiment
Close the gate valve component 2 of blast tube 13 and the handwheel 3 for driving gate valve component 2 to move.
Gate valve component 2 includes the flashboard 22 that the valve rod 21 being pivotally connected with valve body 1 and outer surface are enclosed with elastic sleeve, valve rod 21
With at 1 pivot points of valve body be equipped with seal assembly 4, and handwheel 3 can driving stem 21 rotate.
Valve rod 21 is equipped with external screw thread, and flashboard 22 is equipped with the internal thread to match with external screw thread, and flashboard 22 can be along valve
The axial movement of bar 21.
The Gas-combustion valve includes the valve body 1 with blast tube 13, the gate valve component 2 for opening and closing blast tube 13 and uses
In the handwheel 3 that driving gate valve component 2 moves, wherein gate valve component 2 includes the valve rod 21 being pivotally connected with valve body 1 and outer surface package
The flashboard 22 of flexible valve pocket, and handwheel 3 being capable of the rotation of driving stem 21.When carrying out Gas-combustion valve unlatching, existed by setting
Handwheel 3 on valve rod 21 is to first direction rotation valve rod 21, and since valve rod 21 is equipped with external screw thread, flashboard 22 is equipped with and external screw thread phase
Matched internal thread, in the case where 22 internal thread of flashboard and 21 external screw thread of valve rod are fitted to each other, and then flashboard 22 is in the rotation of valve rod 21
Down can along valve rod 21 axial direction and moved to the direction close to handwheel 3, to realize the opening of entire Gas-combustion valve, operation letter
Single, it is convenient to open.
Meanwhile when carrying out the Gas-combustion valve and closing, by the handwheel 3 that is arranged on valve rod 21 to opposite with first direction
Second direction rotation valve rod 21, since valve rod 21 is equipped with external screw thread, flashboard 22 is equipped with the internal thread to match with external screw thread, in lock
22 internal thread of plate is fitted to each other down with 21 external screw thread of valve rod, and then flashboard 22 can be along valve rod 21 under the rotation of valve rod 21
It axially and to the direction far from handwheel 3 moves, to realize the closing of entire Gas-combustion valve, wherein wrapped up on the surface of flashboard 22
Flexible lock set, since elastic lock covers distinctive elastic deformation characteristics, when flashboard 22 is bonded completely with blast tube 13, elasticity
Preferably blast tube 13 can be fully sealed for the deformation quantity that lock set generates, and prevent 13 poor sealing of blast tube, combustion gas from letting out
The case where dew, occurs.
Except before this, seal assembly 4 is equipped at valve rod 21 and 1 pivot points of valve body, seal assembly 4 can improve the combustion
The integral sealing effect of air lock valve, the case where further preventing the gas leakage in gas pipeline, occur, and have ensured the combustion gas lock
The reliability of valve sealing.
The present embodiment, when carrying out Gas-combustion valve closing, utilizes elastic lock by wrapping up flexible lock set on flashboard 22
Distinctive elastic deformation characteristics are covered, when flashboard 22 is bonded completely with blast tube 13, the deformation quantity that elastic lock set generates can
The case where preferably blast tube 13 is fully sealed, prevents 13 poor sealing of blast tube, gas leakage occurs.
Meanwhile then by being equipped with seal assembly 4 at valve rod 21 and 1 pivot points of valve body, seal assembly 4 can improve this
The integral sealing effect of Gas-combustion valve, the case where further preventing the gas leakage in gas pipeline, occur, so flashboard 22,
Elastic lock set and seal assembly 4 are fitted to each other down, realize the purpose of the high leakproofness of the Gas-combustion valve, have ensured the Gas-combustion valve
The reliability of sealing effect and safety.
In the present embodiment, it is not necessary that lock slot is arranged between the valve body 1 and valve plate of the Gas-combustion valve, and then prevents due to combustion
The long-time use of air lock valve leads to the impurity such as siltation sandstone in gate valve, and flashboard 22 is caused to be not closed completely real or can not close,
And then lead to gas leakage in valve body 1, the generation of safety accident is caused when serious.
In the present embodiment, 1 bottom of valve body is designed using full basin straight-through type flow passage, can be equal to straight pipeline, and
Do not remain in a standstill curved cavity, has flow resistance small, is not easy to deposit sundries, will not cause secondary pollution to medium, further increase
The practicability of the Gas-combustion valve.
Have, seal assembly 4 includes first seal 41, second seal 42 and third sealing element 43, and first is close
Sealing 41, second seal 42 and 43 three of third sealing element are sleeved on along handwheel 3 to the direction of flashboard 22 on valve rod 21 successively.
In the present embodiment, for that can further increase the sealing effect and performance of the Gas-combustion valve, seal assembly 4 includes
First seal 41, second seal 42 and third sealing element 43, and first seal 41, second seal 42 and third sealing
43 three of part is sleeved on along handwheel 3 to the direction of flashboard 22 on valve rod 21 successively, and the sealing element of multilayer setting can ensure the combustion
Air lock valve has good sealing performance.
Wherein, second seal 42 can be multiple, wherein can be according to the specifically used environment of Gas-combustion valve, suitably
Increase or reduce second seal 42 usage quantity having good sealing effect, Yi Jineng in the present embodiment
Enough achieve the purpose that reduce manufacturing cost, second seal 42 is preferably three.
Specifically, valve body 1 includes valve body 11 and valve deck 12, valve deck 12 is connect by bolt with valve body 11.
In the present embodiment, it is the convenience for ensureing Gas-combustion valve installation and dismantling, valve body 1 includes valve body 11 and valve deck
12, valve deck 12 is connect by bolt with valve body 11, meanwhile, valve deck 12 is connect by bolt with valve body 11, convenient for the combustion gas lock
Valve inner components are safeguarded and are replaced.
Specifically, the Gas-combustion valve further includes the 4th sealing element 5.
The 4th sealing element 5 is equipped at valve body 11 and 12 link position of valve deck.
In the present embodiment, it is the reliability and safety that can preferably ensure Gas-combustion valve sealing, the combustion gas lock
Valve further includes the 4th sealing element 5, and the 4th sealing element 5 is equipped at valve body 11 and 12 link position of valve deck.
Wherein, valve rod 21 is equipped with thrust ring 211, and thrust ring 211 be located at second seal 42 and third sealing element 43 it
Between.
In the present embodiment, valve rod 21 is equipped with thrust ring 211, and thrust ring 211 is located at second seal 42 and third is close
Between sealing 43, thrust ring 211 can limit the rotational travel of valve rod 21, and then ensure the unlatching range of flashboard 22,
It is more than the stroke range of blast tube 13 to prevent flashboard 22, causes the damage of Gas-combustion valve.
In the present embodiment, valve body 1 is equipped with accommodating chamber, and when flashboard 22 fully opens, flashboard 22 is placed in accommodating chamber,
Meanwhile valve body 1 is equipped with the limiting section of valve rod 21, and limiting section and valve rod 21 are fully mated, limiting section can prevent 21 turns of valve rod
Position offset occurs for estimation when dynamic, meanwhile, the effect of sealing can also be further functioned as with 21 matched limiting section of valve rod, protected
Barrier can not stop the supple of gas or steam in the case where flashboard 22 fully opens and replace first seal 41, second seal 42 and third sealing
Part 43.
Specifically, first seal 41 is dust washer.
In the present embodiment, first seal 41 is dust washer, and dust washer can prevent the impurity such as extraneous dust
The congestion situations of valve rod 21 and 1 junction of valve body are caused, and then it is dumb or the case where can not rotate to cause valve rod 21 to rotate
Occur.Meanwhile dust washer can also improve leakproofness and the safety of the fuel gas ball valve.
Specifically, second seal 42, third sealing element 43 be and the 4th sealing element 5 be O-ring seal.
In the present embodiment, to ensure leakproofness and the safety of the Gas-combustion valve, second seal 42, third sealing element
43 is are O-ring seal with the 4th sealing element 5, meanwhile, O-ring seal can be with the parts connection position of the Gas-combustion valve
The place of setting exactly matches, and then has ensured sealing effect.
Specifically, elastic lock set is rubber material.
In the present embodiment, elastic lock set is rubber material, and rubber material has Commercial sources wide, and price is low, and nontoxic
Free of contamination feature.
Meanwhile in the present embodiment, elastic lock set is oil resistant gas NBR synthetic rubber, and elastic lock set carries out at vulcanization
Reason is to improve the toughness and intensity of elastic lock set.
Specifically, handwheel 3 is enclosed with anti-skid plastic.
In the present embodiment, it is the frictional force that can improve handwheel 3, reduces hand when even avoiding rotation handwheel 3 and skid
The case where, handwheel 3 is enclosed with anti-skid plastic, and then convenient for rotation handwheel 3 to realize being turned on or off for flashboard 22.
Embodiment two
The present embodiment provides a kind of pipe-line system, which has the Gas-combustion valve described in above-described embodiment one.
The pipe-line system is identical as advantage possessed by above-mentioned Gas-combustion valve, and details are not described herein.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of Gas-combustion valve, which is characterized in that include valve body (1) with blast tube (13), for opening and closing the combustion gas
The gate valve component (2) in channel (13) and handwheel (3) for driving the gate valve component (2) movement；
The gate valve component (2) includes the lock that flexible lock set is wrapped up in the valve rod (21) being pivotally connected with the valve body (1) and outer surface
Seal assembly (4) is equipped at plate (22), the valve rod (21) and the valve body (1) pivot points, and the handwheel (3) can drive
Dynamic valve rod (21) rotation；
The valve rod (21) is equipped with external screw thread, and the flashboard (22) is equipped with the internal thread to match with the external screw thread, and described
Flashboard (22) can be along the axial movement of the valve rod (21).
2. Gas-combustion valve according to claim 1, which is characterized in that the seal assembly (4) includes first seal
(41), second seal (42) and third sealing element (43), and the first seal (41), the second seal (42) and
Third sealing element (43) three is sleeved on the valve rod (21) successively along the direction of the handwheel (3) to the flashboard (22)
On.
3. Gas-combustion valve according to claim 2, which is characterized in that the valve body (1) includes valve body (11) and valve deck
(12), the valve deck (12) is connect by bolt with the valve body (11).
4. Gas-combustion valve according to claim 3, which is characterized in that further include the 4th sealing element (5)；
The 4th sealing element (5) is equipped at the valve body (11) and the valve deck (12) link position.
5. Gas-combustion valve according to claim 4, which is characterized in that the valve rod (21) is equipped with thrust ring (211), and institute
Thrust ring (211) is stated between the second seal (42) and the third sealing element (43).
6. Gas-combustion valve according to claim 5, which is characterized in that the first seal (41) is dust washer.
7. Gas-combustion valve according to claim 6, which is characterized in that the second seal (42), third sealing
Part (43) is O-ring seal with the 4th sealing element (5) to be.
8. Gas-combustion valve according to claim 1, which is characterized in that the elasticity lock set is rubber material.
9. Gas-combustion valve according to claim 1, which is characterized in that the handwheel (3) is enclosed with anti-skid plastic.
10. a kind of pipe-line system, which is characterized in that including the Gas-combustion valve as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820066670.7U CN207750510U (en) | 2018-01-15 | 2018-01-15 | Gas-combustion valve and pipe-line system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820066670.7U CN207750510U (en) | 2018-01-15 | 2018-01-15 | Gas-combustion valve and pipe-line system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750510U true CN207750510U (en) | 2018-08-21 |
Family
ID=63152000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820066670.7U Active CN207750510U (en) | 2018-01-15 | 2018-01-15 | Gas-combustion valve and pipe-line system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207750510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246409A (en) * | 2019-05-13 | 2019-09-17 | 中广核核电运营有限公司 | A kind of main pump maintenance simulation training device |
-
2018
- 2018-01-15 CN CN201820066670.7U patent/CN207750510U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246409A (en) * | 2019-05-13 | 2019-09-17 | 中广核核电运营有限公司 | A kind of main pump maintenance simulation training device |
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