CN210345011U - Durable gas cylinder pressure retaining valve - Google Patents
Durable gas cylinder pressure retaining valve Download PDFInfo
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- CN210345011U CN210345011U CN201920897489.5U CN201920897489U CN210345011U CN 210345011 U CN210345011 U CN 210345011U CN 201920897489 U CN201920897489 U CN 201920897489U CN 210345011 U CN210345011 U CN 210345011U
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Abstract
The utility model discloses a durability gas cylinder pressure retaining valve relates to bottle valve technical field, including the bottle valve body, the bottle valve body includes the valve body, presses cap and valve rod, press the lower extreme of cap and the upper end swing joint of valve body, the lower extreme of valve rod is located the inside of valve body, press the cap to cup joint the middle part at the valve rod, press the internal surface of cap and the sealed pad of the equal fixedly connected with in upper end both sides, press the internal surface middle part fixedly connected with sealing member of cap. This durability gas cylinder pressure retaining valve, on the one hand press and twist through the screw thread and connect between cap and the valve body, it is convenient to make the dismouting between pressing cap and the valve body, on the other hand card strip can be to carrying out the secondary between pressing cap and the valve body and fix, it is more firm to make to press cap and valve body to fix, can not influenced by the valve rod and appear not hard up the condition, increase the durability of bottle valve body, secondly the ejector pad can make card strip and first draw-in groove joint more firm, make and press the fixed fastening more between cap and the valve body.
Description
Technical Field
The utility model relates to a cylinder valve technical field specifically is a durability gas cylinder pressure retaining valve.
Background
The cylinder valve has higher requirement on the sealing performance because of the special application environment; therefore, a pressure cap is often arranged between the valve body and the valve rod, but the pressure cap is generally directly sleeved outside the valve rod in the conventional structure, so that the coaxiality between the pressure cap and the valve body and the coaxiality between the pressure cap and the valve rod cannot be ensured, and the pressure cap often has larger holding force on the valve rod; the seal in the press cap is thus relatively vulnerable and does not have a long service life, and improvements are therefore desirable.
The utility model discloses a durability cylinder valve disclosed in chinese utility model patent application publication specification CN104832691A, this durability cylinder valve, though, the structure letter is answered, owing to adopted little conical surface and step face hard seal, it presses the cap centering good, makes the valve rod more concentric for the valve body to the sealing member in the cap is pressed in the messenger is more durable, however, this durability cylinder valve, it is inseparable inadequately with the valve rod laminating to press the cap, the gas tightness is not good, and press and fix between cap and the valve body fastening inadequately, the live time is not hard up easily after being of a specified duration.
At present, the current cylinder valve for gas cylinder presses cap and valve rod laminating not inseparable enough, and the gas tightness is not good, and presses and fix between cap and the valve body fastening inadequately, and the live time is not hard up easily after being of a specified duration, uses inconveniently, is unfavorable for using widely.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a durability gas cylinder pressure retaining valve has solved the current cylinder valve that is used for the gas cylinder, presses the cap not inseparable enough with the valve rod laminating, and the gas tightness is not good, and presses between cap and the valve body fixed fastening inadequately, and the live time is not hard up easily after being of a specified duration, uses inconveniently, is unfavorable for the problem of using widely.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a durable pressure retaining valve for a gas cylinder comprises a cylinder valve body, wherein the cylinder valve body comprises a valve body, a pressure cap and a valve rod, the lower end of the pressure cap is movably connected with the upper end of the valve body, the lower end of the valve rod is positioned inside the valve body, the pressure cap is sleeved in the middle of the valve rod, sealing gaskets are fixedly connected to the two sides of the inner surface and the upper end of the pressure cap, a sealing element is fixedly connected to the middle of the inner surface of the pressure cap, and a first groove matched with the lower end of the pressure cap is formed in the middle of the upper end of the valve body;
the second recess has all been seted up to the upper end both sides of valve body, the interior diapire of second recess passes through compression spring fixedly connected with depression bar, the one end fixedly connected with briquetting of depression bar, the other end fixedly connected with card strip of depression bar, the lower extreme both sides of pressure cap all set up with the first draw-in groove of card strip looks adaptation, the one end upside fixedly connected with fixture block of card strip, the one end upside of first draw-in groove set up with the first and draw-in groove of fixture block looks adaptation, the one end inner wall upside of second recess passes through compression spring fixedly connected with ejector pad, the one end fixedly connected with slider of ejector pad, the spout has been seted up to the other end of card strip.
Optionally, the lower end of the pressure cap is located inside the valve body, and the upper end of the valve rod is fixedly connected with a manual wheel.
Optionally, the outer surface of the lower end of the pressing cap is fixedly connected with a threaded protrusion, and the inner wall of the first groove is provided with a threaded groove.
Optionally, the pressing rod and the clamping strip are integrally formed, and the clamping strip and the clamping block are integrally formed.
Optionally, one end of the pressure lever is located inside the second groove, and the other end of the pressure lever penetrates through the upper side of one end of the valve body.
Optionally, the sealing gasket is a rubber wear-resistant sealing gasket, and the sliding block is located inside the sliding groove.
(III) advantageous effects
The utility model provides a durability gas cylinder pressure retaining valve possesses following beneficial effect:
(1) this durability gas cylinder pressure retaining valve, sealed the pad can make the cylinder valve body when closing on the one hand, sealed inseparabler, prevent gas leakage, sealed pad of on the other hand can also make pressure cap and valve rod sealing tighter, secondly sealed pad is the rubber abrasion-resistant gasket, can increase the life who presses the cap, make the cylinder valve body more durable, first recess and the lower extreme looks adaptation of pressing the cap in addition, the gas tightness that makes the cylinder valve body is better.
(2) This durability gas cylinder pressure retaining valve presses and connects through the screw thread between cap and the valve body on the one hand, it is convenient to make the dismouting between cap and the valve body of pressing, on the other hand card strip can be to carrying out the secondary between cap and the valve body and fix, it is more firm to make to press cap and valve body to fix, can not influenced by the valve rod and appear not hard up the condition, increase the durability of bottle valve body, secondly the ejector pad can make the card strip more firm with first draw-in groove joint, make and press the fixed more fastening between cap and the valve body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
fig. 3 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.
In the figure: the cylinder valve comprises a cylinder valve body 1, a valve body 2, a pressing cap 3, a valve rod 4, a sealing gasket 5, a sealing element 6, a first groove 7, a second groove 8, a pressing rod 9, a pressing block 10, a clamping strip 11, a first clamping groove 12, a clamping block 13, a clamping groove 14, a pushing block 15, a sliding block 16 and a sliding groove 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Referring to fig. 1-3, the present invention provides a technical solution: a durable gas cylinder pressure retaining valve comprises a cylinder valve body 1, wherein the cylinder valve body 1 comprises a valve body 2, a pressing cap 3 and a valve rod 4, the lower end of the pressing cap 3 is movably connected with the upper end of the valve body 2, the lower end of the valve rod 4 is positioned inside the valve body 2, the pressing cap 3 is sleeved in the middle of the valve rod 4, sealing gaskets 5 are fixedly connected to the inner surface of the pressing cap 3 and two sides of the upper end of the pressing cap 3, when the cylinder valve body 1 can be closed through the sealing gaskets 5, sealing is tighter, gas leakage is prevented, the pressing cap 3 and the valve rod 4 can be sealed more tightly through the sealing gaskets 5, a sealing element 6 is fixedly connected to the middle of the inner surface of the pressing cap 3, a first groove 7 matched with the lower end of the pressing cap 3 is formed in the middle of the upper end of the valve body 2, the first groove 7 is matched;
the two sides of the upper end of the valve body 2 are both provided with a second groove 8, the inner bottom wall of the second groove 8 is fixedly connected with a pressure lever 9 through a compression spring, one end of the pressure lever 9 is fixedly connected with a press block 10, the other end of the pressure lever 9 is fixedly connected with a clamping strip 11, the clamping strip 11 can carry out secondary fixation between the press cap 3 and the valve body 2, so that the press cap 3 and the valve body 2 are more firmly fixed without being affected by the valve rod 4, the durability of the cylinder valve body 1 is improved, two sides of the lower end of the press cap 3 are both provided with a first clamping groove 12 matched with the clamping strip 11, the upper side of one end of the clamping strip 11 is fixedly connected with a clamping block 13, the upper side of one end of the first clamping groove 12 is provided with a second clamping groove 14 matched with the clamping block 13, the upper side of the inner wall of one end of the second groove 8 is fixedly connected with a push block 15 through the, the pressing cap 3 and the valve body 2 are fixed more tightly, one end of the push block 15 is fixedly connected with a slide block 16, and the other end of the clamping strip 11 is provided with a sliding groove 17.
As an optional technical solution of the utility model: the lower extreme of pressing cap 3 is located the inside of valve body 2, conveniently presses and fixes between cap 3 and the valve body 2, and the upper end fixedly connected with hand wheel of valve rod 4.
As an optional technical solution of the utility model: the outer fixed surface of the lower end of the pressing cap 3 is fixedly connected with a thread bulge, the inner wall of the first groove 7 is provided with a thread groove, and the pressing cap 3 and the valve body 2 are screwed through threads, so that the pressing cap 3 and the valve body 2 can be conveniently disassembled and assembled.
As an optional technical solution of the utility model: the compression bar 9 and the clamping strip 11 are integrally formed, the clamping strip 11 and the clamping block 13 are integrally formed, the integrally formed structure is firmer, the service life is longer, and the damage cannot easily occur.
As an optional technical solution of the utility model: one end of the pressure rod 9 is located inside the second groove 8, and the other end of the pressure rod 9 penetrates through the upper side of one end of the valve body 2, so that the pressure block 10 can conveniently push the pressure rod 9 to operate.
As an optional technical solution of the utility model: the rubber wear-resistant sealing gasket of the sealing gasket 5 can prolong the service life of the pressure cap 3, so that the cylinder valve body 1 is more durable, and the sliding block 16 is positioned in the sliding groove 17.
In summary, when the durable pressure retaining valve for the gas cylinder is used, a user pushes the pressing block 10 towards the inside of the second groove 8, the pressing block 10 drives the pressing rod 9 to move inwards, the pressing rod 9 drives the clamping strip 11 to move inwards, the clamping strip 11 drives the clamping block 13 to move inwards, the clamping strip 11 presses the pushing block 15 to move inwards together, the compression spring is compressed under stress, then the pressing block 10 slides downwards, the pressing block 10 drives the pressing rod 9 to move downwards, the pressing rod 9 drives the clamping strip 11 to move downwards, the clamping strip 11 drives the clamping block 13 to move downwards, the sliding block 16 slides upwards in the sliding groove 17, the clamping strip 11 and the clamping block 13 enter the inside of the second groove 8, the pressing cap 3 is screwed into the inside of the first groove 7, when one side of the upper end of the first clamping groove 12 corresponds to one side of the upper end of the second groove 8, the pressing block 10 is pushed upwards, the pressing block 10 drives the pressing rod 9 to move upwards, the pressing, card strip 11 drives fixture block 13 rebound, slider 16 slides downwards in the inside of spout 17, then card strip 11 and fixture block 13 get into the inside of first draw-in groove 12, then loosen briquetting 10, the compression spring atress disappears, ejector pad 15 drives card strip 11 and outwards moves, card strip 11 drives fixture block 13 and outwards moves, make card strip 13 block into the inside of second draw-in groove 14, press the fixed fastening between cap 3 and the valve body 2 this moment, valve rod 4 also is together fixed with valve body 2 simultaneously.
It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a durability gas cylinder pressure retaining valve, includes cylinder valve body (1), cylinder valve body (1) includes valve body (2), presses cap (3) and valve rod (4), its characterized in that: the lower end of the pressing cap (3) is movably connected with the upper end of the valve body (2), the lower end of the valve rod (4) is located inside the valve body (2), the pressing cap (3) is sleeved in the middle of the valve rod (4), sealing gaskets (5) are fixedly connected to the inner surface of the pressing cap (3) and two sides of the upper end of the pressing cap, a sealing element (6) is fixedly connected to the middle of the inner surface of the pressing cap (3), and a first groove (7) matched with the lower end of the pressing cap (3) is formed in the middle of the upper end of the valve body (2);
both sides of the upper end of the valve body (2) are provided with second grooves (8), the inner bottom wall of the second grooves (8) is fixedly connected with a pressure lever (9) through a compression spring, one end of the pressure lever (9) is fixedly connected with a pressing block (10), the other end of the pressure lever (9) is fixedly connected with a clamping strip (11), both sides of the lower end of the pressing cap (3) are provided with first clamping grooves (12) matched with the clamping strips (11), a clamping block (13) is fixedly connected to the upper side of one end of the clamping strip (11), a second clamping groove (14) matched with the clamping block (13) is formed in the upper side of one end of the first clamping groove (12), the upper side of the inner wall of one end of the second groove (8) is fixedly connected with a push block (15) through a compression spring, one end of the push block (15) is fixedly connected with a sliding block (16), and the other end of the clamping strip (11) is provided with a sliding groove (17).
2. A durable gas cylinder pressure retaining valve according to claim 1, characterized in that: the lower end of the pressure cap (3) is located inside the valve body (2), and the upper end of the valve rod (4) is fixedly connected with a manual wheel.
3. A durable gas cylinder pressure retaining valve according to claim 1, characterized in that: the outer surface of the lower end of the pressing cap (3) is fixedly connected with a threaded bulge, and a threaded groove is formed in the inner wall of the first groove (7).
4. A durable gas cylinder pressure retaining valve according to claim 1, characterized in that: the pressing rod (9) and the clamping strip (11) are integrally formed, and the clamping strip (11) and the clamping block (13) are integrally formed.
5. A durable gas cylinder pressure retaining valve according to claim 1, characterized in that: one end of the pressing rod (9) is located inside the second groove (8), and the other end of the pressing rod (9) penetrates through the upper side of one end of the valve body (2).
6. A durable gas cylinder pressure retaining valve according to claim 1, characterized in that: the sealing gasket (5) is a rubber wear-resistant sealing gasket, and the sliding block (16) is located inside the sliding groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897489.5U CN210345011U (en) | 2019-06-14 | 2019-06-14 | Durable gas cylinder pressure retaining valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897489.5U CN210345011U (en) | 2019-06-14 | 2019-06-14 | Durable gas cylinder pressure retaining valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210345011U true CN210345011U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920897489.5U Active CN210345011U (en) | 2019-06-14 | 2019-06-14 | Durable gas cylinder pressure retaining valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210345011U (en) |
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2019
- 2019-06-14 CN CN201920897489.5U patent/CN210345011U/en active Active
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