CN206738604U - A kind of gas cylinder valve - Google Patents
A kind of gas cylinder valve Download PDFInfo
- Publication number
- CN206738604U CN206738604U CN201720626065.6U CN201720626065U CN206738604U CN 206738604 U CN206738604 U CN 206738604U CN 201720626065 U CN201720626065 U CN 201720626065U CN 206738604 U CN206738604 U CN 206738604U
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- valve body
- valve
- valve element
- sections
- gas cylinder
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Abstract
The utility model discloses a kind of gas cylinder valve,It is characterized in that including valve body and valve element,The valve body be formed through both ends through groove so that the valve body has the inner chamber for accommodating the valve element,The valve body is by valve body one,Valve body two,Three compositions of valve body,Described two inwalls of valve body extend formed with valve body internal projecting ring to radially inner side,The inner chamber is by an inner chamber in valve body one,Two inner chambers in valve body two,Three inner chambers in valve body three are formed,The valve element is made up of two sections of one section of valve element and valve element,Described two sections of external diameters of valve element are more than described one section of external diameter of valve element,And described two sections of external diameters of valve element are more than the valve body internal projecting ring internal diameter,The first annular groove of oriented radially inner side extension is formed on two sections of one section of the valve element or valve element,It is more than the first sealing ring of valve body internal projecting ring internal diameter in the first annular groove provided with external profile diameter,Described three one end inwalls away from valve body one of valve body are provided with limited block.
Description
Technical field
It the utility model is related to a kind of valve for pressure vessel.
Background technology
Pressure vessel uses valve more, to avoid the high pressure gas leakage in pressure vessel, but is not applied to small pressure
Container（Such as portable cylinder）Valve.Existing valve arrangement is complicated, and parts are more, easily occur because of the unqualified institute of component assembly
Caused by gas cylinder gas leakage situation；And the more resets for realizing valve element by spring of existing valve pass through spring with shutoff valve
Its own resilient can be declined using rear spring its own resilient for a long time with keeping the position of valve element, or even spring to occur crooked
Situation, so that gas cylinder has the possibility of leakage.
The content of the invention
The purpose of this utility model be to provide it is a kind of be applied to small gas cylinder, and property simple in construction, easy to use, safe compared with
High gas cylinder valve.
To achieve the above object, the utility model adopts the following technical scheme that：A kind of gas cylinder valve, including valve body and valve
Core, the valve body be formed through both ends through groove so that the valve body has the inner chamber for accommodating the valve element, the valve body
It is made up of valve body one, valve body two, valve body three, described two inwalls of valve body extend formed with valve body convex to radially inner side
Ring, the inner chamber by an inner chamber in valve body one, two inner chambers in valve body two, in valve body three
Three inner chambers form, the valve element is made up of two sections of one section of valve element and valve element, and described two sections of external diameters of valve element are more than the valve element
One section of external diameter, and two sections of external diameters of the valve element are more than the valve body internal projecting ring internal diameter, one section of the valve element or the upper shape of two sections of valve element
Into the first annular groove of oriented radially inner side extension, it is more than valve body internal projecting ring provided with external profile diameter in the first annular groove
First sealing ring of internal diameter, three one end inwalls away from valve body one of the valve body are provided with limited block, when the valve element and
The valve body coordinates, and two sections of the valve element is located in three inner chambers, and part or all of one section of valve element is in described two
In chamber, first sealing ring is located at three interior intracavitary, and two sections of the valve element is limited in the limited block and the valve
Between internal bulge loop.
Carry out the utility model valve in use, by valve body one, valve body three parts with adapter and gas cylinder do not connect, pressing
In the presence of contracting gas, valve element is promoted, and valve element moves towards limited block side, so that the first sealing ring moves, compressed gas can be according to
It is secondary by adapter, an inner chamber, two inner chambers, three inner chambers to enter in gas cylinder；Because the utility model valve is used for gas cylinder, gas
It is that the moment is gassiness in bottle, in the presence of gas, valve element is mobile and makes the first sealing ring and valve body internal projecting ring end face phase
Support, to realize the closing of valve.The utility model valve arrangement is simple, cost is relatively low, easy to operate, and is applied to small gas cylinder.Its
In, after the gas in gas cylinder is used up most, when gas pressure is identical with ambient pressure in gas cylinder, the gas in gas cylinder will not
Can export, simultaneously as gas cylinder is smaller, valve element is smaller, the gas in gas cylinder can be by the power of very little with regard to that can keep the position of valve element
Put, to avoid the first sealing ring on valve element from departing from valve body internal projecting ring, to cause gas to leak, the security of the utility model valve
It is higher.
Preferably, the second annular groove of oriented radially inner side extension, second ring are formed on one section of the valve element
The second sealing ring is provided with connected in star, one section of the valve element passes through two inner chambers to extend in an inner chamber, institute
State the second sealing ring to be located in an inner chamber, the external profile diameter of second sealing ring is more than the interior of the valve body internal projecting ring
Footpath, and the distance between second sealing ring and the first sealing ring is more than the axial length of the valve body internal projecting ring.
After compressed gas is imported into gas cylinder, the second sealing ring is fixed on valve element by special tool(s), to realize gas cylinder
Non-duplicate refitting；Wherein, the distance between the second sealing ring and the first sealing ring is made to be more than the axial length of valve body internal projecting ring so that
Can only at most there is one in first sealing ring and the second sealing ring two to be in contact with valve body internal projecting ring so that gas cylinder is in non-heavy
Under multiple media filling condition, the gas of gas cylinder remains to export.
Set preferably, the valve outer wall extends to radial outside formed with bulge loop outside valve body, the outer bulge loop of the valve body
The valve body three is placed on the position of valve body two, or the outer bulge loop of the valve body is arranged on valve body two, the valve
Three radial outer walls of body are formed with the external screw thread for coordinating with gas cylinder thread, and described one radial outer wall of valve body is formed with connecing
The external screw thread that pipe screw thread coordinates, compressed gas pass sequentially through the adapter, valve body with the entrance gas cylinder.
Because the utility model valve is directly to be fixed with gas cylinder thread, the outer bulge loop of valve body is used to avoid valve from excessively going deep into gas
Bottle, is easy to the fixation of gas cylinder and valve, and after valve and gas cylinder thread fixation, the outer bulge loop end face of valve body offsets with the surface of gas cylinder.Wherein.
Valve is fixed with gas cylinder thread, is not welding, in the absence of weld seam, can be avoided bond open between valve and gas cylinder so that gas is let out
Leakage, while make it that the fixation of valve is more simple and convenient.
Preferably, two radial outer walls of described one radial outer wall of valve body or the valve body form oriented radially inner side and prolonged
The 3rd annular groove stretched, the 3rd annular groove are located at outside external screw thread and the valve body of one radial outer wall of valve body
Between bulge loop, the external diameter of the radial outer wall of the 3rd annular groove is less than the externally threaded path of the valve body one.It is above-mentioned
Worker's cutting thread on valve is easy in setting, and the 3rd annular groove is used for the withdrawing of lathe tools.
Preferably, the outer bulge loop of the valve body is provided with close to the end face of the 3rd annular groove and strengthens outer bulge loop, the valve
External wall extends to radial outside to be less than the valve body evagination formed with bulge loop outside the reinforcement, the outer bulge loop external diameter of the reinforcement
Ring external diameter, the outer bulge loop radial section outer rim of the valve body is in regular polygon.Wherein, the outer bulge loop of valve body is in regular polygon, is easy to work
People carries out being screwed for valve by instruments such as spanners；The setting for strengthening outer bulge loop can be in the case of proof strength so that valve body
Outer bulge loop can be done thinner so that after valve is fixed with gas cylinder, valve is difficult to rotate to depart from gas cylinder by instrument, to improve gas cylinder
Security.
Preferably, end face of the outer bulge loop of the valve body away from valve body one has been recessed fourth annular groove, it is described
The 3rd sealing ring is provided with fourth annular groove, the 3rd sealing ring surrounds the valve body.It is above-mentioned to be provided for valve and gas cylinder
Between sealing.
Preferably, the valve body internal projecting ring is in from outside to inside to one extension of valve body close to the end face of the first sealing ring
Ramp structure.Above-mentioned setting is so that the first sealing ring is easier to offset with valve body internal projecting ring end face, to improve the sealing of valve.
Preferably, length of the first annular groove along valve element axial direction is more than the thickness of first sealing ring.On
State the assembling for being situated so as to the first sealing ring and valve element.
Preferably, one section of the valve element with valve element two sections be two separate parts, one section of valve element and valve element
Two sections are detachably screwed, and described one section of one end away from two sections of valve element of valve element is formed with three sections of valve element, three sections of the valve element
External diameter be more than external diameter, the internal diameter more than the valve body internal projecting ring of two sections of the valve element, the valve element and valve body coordinate so that
One section of valve element is in three inner chambers, two sections of part valve element is located in two inner chambers, three sections of valve element is in described one
In chamber.
Preferably, the valve body three away from one stress deformation of valve body to form the limited block；Or the valve body
Three carry out inwall and coordinate formed with internal thread, limited block screw thread in the valve body three, and the limited block is formed with voltage supply
Formed with the gap passed through for compressed gas between the through hole that contracting gas passes through, or three inwalls of the limited block and the valve body.
Wherein, limited block can be processed to obtain by press.
Valve of the present utility model can be suitably used for small gas cylinder, and with higher excellent of property simple in construction, easy to use, safe
Point.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the utility model valve；
Fig. 2 is another structural representation of the utility model valve.
Embodiment
The utility model is further described below according to the drawings and specific embodiments.
As shown in Fig. 1, Fig. 2, a kind of gas cylinder valve of the present utility model, including valve body and valve element, valve body are formed through
Groove is run through so that valve body has the inner chamber for accommodating valve element in both ends, and valve body is by three valve body one 1, valve body two 2, valve body 3 structures
Into the tapered structure in valve body axial direction both ends, two 2 inwalls of valve body extend formed with valve body internal projecting ring 21 to radially inner side, interior
Chamber is by an inner chamber 11 in valve body one 1, three positioned at 2 two inner chambers in valve body two, in valve body three 3
Portion inner chamber 31 is formed, and one end inwall of valve body three 3 away from valve body one 1 is provided with limited block 7, three 3 stress deformations of valve body
To form limited block 7, limited block 7 in a ring and is processed to obtain by press.
Valve element is made up of for two section 5 one section 4 of valve element and valve element, and two section of 5 external diameter of valve element is more than one section of 4 external diameter of valve element, and valve element
Two section of 5 external diameter is more than the internal diameter of valve body internal projecting ring 21, and valve element forms the first annular groove of oriented radially inner side extension for one section 4, the
It is more than the first sealing ring 6 of the internal diameter of valve body internal projecting ring 21 in one annular groove provided with external profile diameter.When valve element and valve body cooperation, valve
Core is located in three inner chambers 31 for two section 5, and part valve element is located in two inner chambers for one section 4, and the first sealing ring 6 is located at three inner chambers 31
Interior, valve element is limited between limited block 7 and valve body internal projecting ring 21 for two section 5.
The second annular groove 42 of oriented radially inner side extension is formed on one section 4 of valve element, is provided with the second annular groove 42
Second sealing ring 8, valve element passes through two inner chambers for one section 4, and to extend in an inner chamber 11, the second sealing ring 8 is located at an inner chamber
In 11, the external profile diameter of the second sealing ring 8 is more than the internal diameter of valve body internal projecting ring 21, and between the second sealing ring 8 and the first sealing ring 6
Distance be more than valve body internal projecting ring 21 axial length.
Valve outer wall extends to radial outside is arranged at valve body two 2 formed with bulge loop outside valve body 22, the outer bulge loop 22 of valve body
On, three 3 radial outer walls of valve body formed with the external screw thread for coordinating with gas cylinder thread, one 1 radial outer wall of valve body formed with
The external screw thread coordinated with adapter screw thread, compressed gas pass sequentially through adapter, valve body with entrance gas cylinder.Two 2 footpaths of valve body are outside
Wall forms the 3rd annular groove 23 of oriented radially inner side extension, and the 3rd annular groove 23 is located at one 1 radial outer wall of valve body
Between external screw thread and the outer bulge loop 22 of valve body, the external screw thread of the external diameter one 1 less than valve body of the radial outer wall of the 3rd annular groove 23
Path.The outer bulge loop 22 of valve body is provided with close to the end face of the 3rd annular groove 23 strengthens outer bulge loop 24, and valve outer wall is to radially
Outside extension is so that formed with bulge loop outside the reinforcement, the outer external diameter of bulge loop 24 of reinforcement is less than the outer external diameter of bulge loop 22 of valve body, valve body evagination
The radial section outer rim of ring 22 is in regular hexagon.Wherein, a side end face of the outer bulge loop 22 of valve body away from valve body one has been recessed
Fourth annular groove, fourth annular groove is interior to be provided with the 3rd sealing ring（It is not drawn into figure）, the 3rd sealing ring surrounds valve body
Valve body internal projecting ring 21 close to the end face of the first sealing ring 6 in from outside to inside to the ramp structure of the extension of valve body one 1,
First annular groove along valve element axial direction length be more than the first sealing ring 6 thickness, the second annular groove 42 along valve element axial direction
Length is more than the thickness of the second sealing ring 8.
Carry out the utility model valve in use, by valve body one, valve body three parts with adapter and gas cylinder do not connect, pressing
In the presence of contracting gas, valve element is promoted, and valve element moves towards limited block side, so that the first sealing ring moves, compressed gas can be according to
It is secondary by adapter, an inner chamber, two inner chambers, three inner chambers to enter in gas cylinder；Because the utility model valve is used for gas cylinder, gas
It is that the moment is gassiness in bottle, in the presence of gas, valve element is mobile and makes the first sealing ring and valve body internal projecting ring end face phase
Support, to realize the closing of valve.The utility model valve arrangement is simple, cost is relatively low, easy to operate, and is applied to small gas cylinder.Its
In, after the gas in gas cylinder is used up most, when gas pressure is identical with ambient pressure in gas cylinder, the gas in gas cylinder will not
Can export, simultaneously as gas cylinder is smaller, valve element is smaller, the gas in gas cylinder can be by the power of very little with regard to that can keep the position of valve element
Put, to avoid the first sealing ring on valve element from departing from valve body internal projecting ring, to cause gas to leak, the security of the utility model valve
It is higher.
Claims (10)
- A kind of 1. gas cylinder valve, it is characterised in that including valve body and valve element, the valve body be formed through both ends through groove with Make the valve body that there is the inner chamber for accommodating the valve element, the valve body is made up of valve body one, valve body two, valve body three, institute Two inwalls of valve body are stated to radially inner side extension formed with valve body internal projecting ring, the inner chamber is by one in valve body one Chamber, two inner chambers in valve body two, three inner chambers in valve body three are formed, the valve element by one section of valve element and Two sections of compositions of valve element, described two sections of external diameters of valve element are more than described one section of external diameter of valve element, and two sections of external diameters of the valve element are more than described Valve body internal projecting ring internal diameter, the first annular groove of oriented radially inner side extension, institute are formed on two sections of one section of the valve element or valve element The first sealing ring for being more than valve body internal projecting ring internal diameter in first annular groove provided with external profile diameter is stated, the valve body three is away from valve One end inwall of body one is provided with limited block, and when the valve element and the valve body coordinate, two sections of the valve element is located at described three In portion inner chamber, part or all of one section of valve element is located in two inner chambers, and first sealing ring is located at three inner chambers Interior, two sections of the valve element is limited between the limited block and the valve body internal projecting ring.
- 2. a kind of gas cylinder valve according to claim 1, it is characterised in that formed on one section of the valve element in oriented radial direction Second annular groove of side extension, second annular groove is interior to be provided with the second sealing ring, and one section of the valve element passes through described two Portion inner chamber is to extend in an inner chamber, and second sealing ring is located in an inner chamber, second sealing ring External profile diameter be more than the internal diameter of the valve body internal projecting ring, and the distance between second sealing ring and the first sealing ring is more than institute State the axial length of valve body internal projecting ring.
- 3. a kind of gas cylinder valve according to claim 1 or 2, it is characterised in that the valve outer wall extends to radial outside Formed with bulge loop outside valve body, the outer bulge loop of the valve body is arranged at the valve body three on the position of valve body two, or described The outer bulge loop of valve body is arranged on valve body two, and described three radial outer walls of valve body are formed with the outer spiral shell for coordinating with gas cylinder thread Line, described one radial outer wall of valve body formed with the external screw thread coordinated with adapter screw thread, compressed gas pass sequentially through it is described adapter, Valve body is with the entrance gas cylinder.
- 4. a kind of gas cylinder valve according to claim 3, it is characterised in that described one radial outer wall of valve body or the valve Two radial outer walls of body form the 3rd annular groove of oriented radially inner side extension, and the 3rd annular groove is located at the valve body Between the external screw thread and the outer bulge loop of the valve body of one radial outer wall, the external diameter of the radial outer wall of the 3rd annular groove is less than The externally threaded path of the valve body one.
- 5. a kind of gas cylinder valve according to claim 4, it is characterised in that the outer bulge loop of the valve body is recessed close to the 3rd annular The end face of groove, which is provided with, strengthens outer bulge loop, and the valve outer wall extends with formed with bulge loop outside the reinforcement, institute to radial outside State and strengthen outer bulge loop external diameter less than the outer bulge loop external diameter of the valve body, the outer bulge loop radial section outer rim of the valve body is in regular polygon.
- 6. a kind of gas cylinder valve according to claim 3, it is characterised in that the outer bulge loop of the valve body is away from valve body one End face has been recessed fourth annular groove, and the 3rd sealing ring, the 3rd sealing corral are provided with the fourth annular groove Around the valve body.
- 7. a kind of gas cylinder valve according to claim 1 or 2, it is characterised in that the valve body internal projecting ring is close to the first sealing The end face of circle is in from outside to inside to the ramp structure of one extension of valve body.
- 8. a kind of gas cylinder valve according to claim 1 or 2, it is characterised in that the first annular groove is axial along valve element Length be more than first sealing ring thickness.
- 9. a kind of gas cylinder valve according to claim 1 or 2, it is characterised in that two sections with valve element of one section of the valve element is two Individual separate parts, two sections of one section of valve element and valve element are detachably screwed, and one section of the valve element is away from two sections of valve element One end formed with three sections of valve element, the external diameter of three sections of the valve element is more than the external diameter of two sections of the valve element, more than in the valve body The internal diameter of bulge loop, the valve element coordinate with valve body, so that one section of valve element is in three inner chambers, two sections of part valve element is positioned at described In two inner chambers, three sections of valve element is located in an inner chamber.
- 10. a kind of gas cylinder valve according to claim 1 or 2, it is characterised in that the valve body three is away from valve body one Stress deformation is to form the limited block；Or the valve body three carries out inwall and coordinated formed with internal thread, limited block screw thread In the valve body three, the limited block is formed with the through hole passed through for compressed gas, or the limited block and the valve body three Formed with the gap passed through for compressed gas between portion's inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720626065.6U CN206738604U (en) | 2017-06-01 | 2017-06-01 | A kind of gas cylinder valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720626065.6U CN206738604U (en) | 2017-06-01 | 2017-06-01 | A kind of gas cylinder valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738604U true CN206738604U (en) | 2017-12-12 |
Family
ID=60568539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720626065.6U Active CN206738604U (en) | 2017-06-01 | 2017-06-01 | A kind of gas cylinder valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738604U (en) |
-
2017
- 2017-06-01 CN CN201720626065.6U patent/CN206738604U/en active Active
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