CN218294501U

CN218294501U - Auxiliary sealing structure of gas cylinder valve

Info

Publication number: CN218294501U
Application number: CN202222730401.5U
Authority: CN
Inventors: 何忠先; 何坚; 何忠华
Original assignee: Jiangsu Fanghua Valve Filling Equipment Co ltd
Current assignee: Jiangsu Fanghua Valve Filling Equipment Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-01-13
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses an auxiliary sealing structure of gas cylinder valve, which comprises a valve body, the depression bar, briquetting and rubber ring piece, open and to be equipped with two screw holes and two screw hole central points coincidence in the briquetting, briquetting bottom side threaded connection has the screw rod, screw rod bottom fixedly connected with pressure disk, the pressure disk upper end is rotated through the bearing and is connected with spacing dish, spacing dish bottom side fixedly connected with three annular is protruding, the annular is sunken to have been seted up to the protruding bottom of annular, it has annular rubber circle to peg graft in the annular is sunken, the valve body is located annular bulge and has seted up the ring channel, the arc arch is laminated mutually with the ring channel, the height of three ring channel is different, the utility model discloses a rotate the position that the adjusting disk comes spacing rubber ring piece to carry on spacingly through spacing dish, when annular arch is pegged graft with the ring channel simultaneously, extrude each other between annular rubber circle and the annular gasket, can promote auxiliary seal effect, can reduce wear simultaneously, be convenient for maintenance.

Description

Auxiliary sealing structure of gas cylinder valve

Technical Field

The utility model relates to a gas bottle seals technical field, concretely relates to supplementary seal structure of gas bottle valve.

Background

The gas sealing valve is generally used for sealing a port of a gas storage tank, the port of the sealing valve is connected with a pipe fitting, and gas in the gas storage tank is supplied to a user after passing through a pressure reducing valve.

According to "a seal structure of gas cylinder valve" of comparison document patent publication number "CN 216924001U", wherein set up protruding clitellum on the sealing plug that describes, and set up annular equipment groove in the briquetting, and carry on spacingly through the bolt, and extrude the plane that the rubber buffer laminating through-hole was located through the briquetting, thereby realize sealed effect, in actual work, the rubber buffer can reciprocate with the briquetting, the extrusion number of times is too much, can lead to the irreversible deformation of rubber buffer, influence sealed effect, and lead to dismantling inconveniently, can make the edge direct contact through-hole plane of briquetting bottom side simultaneously, produce wearing and tearing.

The rubber buffer is pressed the piece extrusion, can produce irreversible deformation, leads to the gas tightness of this department not good, leads to the leakage phenomenon easily, easily produces the wearing and tearing phenomenon simultaneously.

Therefore, an auxiliary sealing structure of a gas cylinder valve is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves: the rubber buffer is pressed by the pressure piece, can produce irreversible deformation, leads to the gas tightness of this department not good, leads to the leakage phenomenon easily, easily produces the problem of wearing and tearing phenomenon simultaneously, consequently provides the supplementary seal structure of a gas cylinder valve.

The utility model provides a technical scheme that technical problem adopted is: the utility model provides an auxiliary sealing structure of gas cylinder valve, includes valve body, depression bar, briquetting and rubber ring piece, open at briquetting inboard bottom side and be equipped with two screw holes and two screw hole central points coincidence, briquetting bottom side threaded connection has the screw rod, screw rod bottom fixedly connected with pressure disk, the pressure disk upper end is rotated through the bearing and is connected with spacing dish.

As a preferred technical scheme of the utility model, the three annular of pressure disk bottom side fixedly connected with is protruding, the annular is sunken has been seted up to the protruding bottom of annular, it has annular rubber circle to peg graft in the annular is sunken, the valve body is located annular protruding department and has seted up the ring channel, and the arc is protruding to laminate mutually with the ring channel, can form the dislocation sealed.

As an optimal technical scheme of the utility model, it is three the ring channel highly different, and laminate mutually with three annular bulge respectively, promote supplementary leakproofness.

As a preferred technical scheme of the utility model, be located the outside annular rubber circles and evenly is provided with the tooth's socket, ring channel bottom side fixedly connected with annular gasket, annular gasket comprises the rubber material, can conveniently rotate the screw rod.

As the utility model discloses a preferred technical scheme, the contact of rubber ring piece upside has the adjustment disk, the position of rubber ring piece can be adjusted to adjustment disk threaded connection briquetting.

As a preferred technical scheme of the utility model, adjustment disk inner circle fixedly connected with lug, the lug is two liang of adjacent settings, can be convenient for rotate the adjustment disk.

The utility model has the advantages of it is following: the position of the rubber ring block is limited by rotating the adjusting disc, the limiting disc is used for limiting, and meanwhile, when the annular protrusion is connected with the annular groove in an inserting mode, the annular rubber ring and the annular gasket are mutually extruded, the auxiliary sealing effect can be improved, meanwhile, abrasion can be reduced, and maintenance is facilitated.

Drawings

Fig. 1 is a schematic cross-sectional view of an auxiliary sealing structure of a gas cylinder valve according to a preferred embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of the auxiliary sealing structure of the gas cylinder valve according to a preferred embodiment of the present invention;

fig. 3 is an enlarged schematic structural diagram of an auxiliary sealing structure of a gas cylinder valve according to a preferred embodiment of the present invention at a position a.

Description of the reference numerals: 1. a valve body; 2. a pressure lever; 3. briquetting; 4. a rubber ring block; 5. a screw; 6. a platen; 7. a limiting disc; 8. an annular projection; 9. an annular rubber ring; 10. an annular groove; 11. an annular gasket; 12. an adjusting disk; 13. and (6) a bump.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The present invention will be further explained with reference to the accompanying drawings.

Example 1

Please refer to fig. 1-3, which illustrates an auxiliary sealing structure of a gas cylinder valve, including a valve body 1, a pressure rod 2, a pressing block 3 and a rubber ring block 4, wherein the upper side of the valve body 1 is connected with the pressure rod 2 through a thread, the pressing block 3 is located at the bottom side of the pressure rod 2, the pressure rod 2 moves down, the pressing block 3 moves down synchronously, the rubber ring block 4 is located at the bottom side of the pressing block 3, which is different from the original structure, and can be disassembled conveniently, two threaded holes are opened at the bottom side of the pressing block 3, and the central points of the two threaded holes coincide, the pressing block 3 is connected with the screw rod 5 through a thread, and can drive a limiting disc 7 to limit the rubber ring block 4, the bottom side of the pressing block 3 is connected with the screw rod 5 through a thread, the bottom end of the screw rod 5 is fixedly connected with a pressure disc 6, the upper end of the pressure disc 6 is connected with the limiting disc 7 through a bearing, the screw rod 5 can be rotated to drive the limiting disc 7 to move upwards, and the rubber ring block 4 is not moved due to the relationship of the bearing, so that the screw rod 5 can be rotated conveniently, and the rubber ring block 4 can be compressed stably, and the rubber ring block 4 can seal the threaded holes and tightly contact the sealing effect can be improved.

Wherein, pressure disk 6 is direct to contact with through-hole department recess, the gapped condition of contact surface appears easily, and ring channel 10 is located valve body 1, and corresponds with annular protrusion 8, and annular rubber circle 9 grafting annular is sunken, and annular is sunken to be located the protruding 8 bottoms of annular, and the protruding 8 fixed connection pressure disk bottom sides of annular can make ring channel 10 and the protruding 8 laminating of annular through pegging graft each other to can form dislocation seal structure, promote supplementary sealed effect.

Wherein, single ring channel 10 laminates with annular protrusion 8 mutually, and easy after annular rubber circle 9 is impaired, produce the clearance or seal not tight, three ring channel 10 laminates with annular protrusion 8 mutually, and the high each part of ring channel 10 is the same, laminates with annular protrusion 8 mutually through setting up ring channel 10 and the ring channel of co-altitude not, can promote the area of contact, promotes sealed effect.

Wherein, the clearance appears easily between annular arch 8 and the ring channel 10, and annular gasket 11 comprises the rubber material, and annular gasket 11 is located ring channel 10, and the tooth's socket is located the annular rubber circle 9 in the outside, and the tooth's socket can increase the frictional force when rotating, and the rotation of being convenient for can be sealed completely with the clearance that forms between annular arch 8 and the ring channel 10 through annular rubber circle 9 extrusion annular gasket 11, promotes sealed effect.

With the annular rubber circle 9 card in the annular of the protruding 8 bottom sides of annular is sunken, and according to the thickness of rubber ring piece 4, the position of manual rotation adjusting disc 12 in the threaded hole, place rubber ring piece 4 in the threaded hole, and rotate screw rod 5 and drive spacing dish 7 and pressure disk 6, can extrude rubber ring piece 4, make rubber ring piece 4 produce deformation, extrusion screw hole and screw rod 5, be convenient for seal, simultaneously when the protruding 8 grafting ring channel 10 of annular of pressure disk 6 bottom side, annular rubber circle 9 extrusion annular gasket 11, can promote the secondary seal effect, greatly promoted sealed effect, simultaneously can be convenient for maintain.

Example 2

Referring to fig. 1-3, the difference from embodiment 1 is:

wherein, the deformation of rubber ring piece 4 then needs the replacement, 3 threaded connection adjusting disks 12 of briquetting, adjusting disks 12 contact rubber ring piece 4, can be convenient for adjust the position of rubber ring piece 4 according to the thickness that rubber ring piece 4 contracts, can promote the utilization ratio of rubber ring piece 4.

Wherein, the inner circle of adjusting disk 12 is smooth, and manual operation is inconvenient, and two liang of adjacent lugs 13, lug 13 fixed connection are in adjusting disk 12 inner circle, and the interval of two lugs 13 is the width that normal personnel pointed, can be convenient for rotate adjusting disk 12.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides an auxiliary sealing structure of gas cylinder valve, includes valve body (1), depression bar (2), briquetting (3) and rubber ring piece (4), its characterized in that, briquetting (3) inner bottom side is opened and is equipped with two screw holes and two screw hole central points coincidence, briquetting (3) bottom side threaded connection has screw rod (5), screw rod (5) bottom fixedly connected with pressure disk (6), pressure disk (6) upper end is rotated through the bearing and is connected with spacing dish (7).

2. The auxiliary sealing structure of the gas cylinder valve according to claim 1, characterized in that three annular protrusions (8) are fixedly connected to the bottom side of the pressure plate (6), an annular recess is formed at the bottom end of each annular protrusion (8), an annular rubber ring (9) is inserted into each annular recess, and an annular groove (10) is formed in the position, located on each annular protrusion (8), of the valve body (1).

3. An auxiliary sealing structure of a gas cylinder valve according to claim 2, characterized in that the three annular grooves (10) have different heights and are respectively fitted with three annular protrusions (8).

4. An auxiliary sealing structure of a gas cylinder valve according to claim 2, characterized in that the annular rubber ring (9) located at the outer side is uniformly provided with tooth grooves, the bottom side of the annular groove (10) is fixedly connected with an annular gasket (11), and the annular gasket (11) is made of rubber.

5. An auxiliary sealing structure of a gas cylinder valve according to claim 1, characterized in that the upper side of the rubber ring block (4) is contacted with an adjusting disc (12), and the adjusting disc (12) is in threaded connection with the pressing block (3).

6. An auxiliary sealing structure of a gas cylinder valve according to claim 5, characterized in that the inner ring of the adjusting disk (12) is fixedly connected with a lug (13), and the lugs (13) are arranged adjacent to each other in pairs.