CN217153191U

CN217153191U - High pressure valve handhole door O type circle double containment structure

Info

Publication number: CN217153191U
Application number: CN202220650025.6U
Authority: CN
Inventors: 彭群
Original assignee: Shanghai Changqing Rubber And Plastic Products Co ltd
Current assignee: Shanghai Changqing Rubber And Plastic Products Co ltd
Priority date: 2021-07-09
Filing date: 2022-03-23
Publication date: 2022-08-09
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a high pressure valve handhole door O type circle double-seal structure, including valve opening lid body, the trapezoidal arch of bottom fixedly connected with of valve opening lid body, and the bottom of valve opening lid body is provided with the pressure valve bonnet, first draw-in groove has been seted up to the inboard at pressure valve bonnet top, the fixed inside that sets up at first draw-in groove of trapezoidal protruding outer wall laminating, and the inner wall of the first draw-in groove of trapezoidal bellied outer wall laminating, the inside fixedly connected with sealing washer of pressure valve bonnet, the trapezoidal bellied bottom outer wall of inner wall laminating of sealing washer, the bottom fixedly connected with pressure release head of pressure valve bonnet, the second draw-in groove has been seted up to the inside of pressure release head one end, the fixed first O type circle that is provided with in inside of second draw-in groove, and the inner wall of the outer wall laminating second draw-in groove at first O type circle top, the third draw-in groove has been seted up to the surface of pressure valve bonnet bottom. This kind of high pressure valve handhole door O type circle double containment structure has improved sealed effect, avoids leaking gas the emergence of phenomenon, has solved the problem that single O type circle can't satisfy sealed demand.

Description

High pressure valve handhole door O type circle double containment structure

Technical Field

The utility model relates to a high-pressure valve handhole door technical field specifically is a high-pressure valve handhole door O type circle double containment structure.

Background

The O-shaped sealing ring is a rubber sealing ring with a circular section, and is called an O-shaped rubber sealing ring and an O-shaped ring because the section of the O-shaped sealing ring is O-shaped; beginning in the middle of the 19 th century, when it was used as a sealing element for steam engine cylinders, high pressure valve covers are now commonly sealed with O-ring seals.

At present, the existing high-pressure valve hole cover only adopts a single O-shaped ring for sealing, when the gas pressure is higher, the single O-shaped ring cannot meet the sealing requirement, and the gas leakage phenomenon can be generated, so that the O-shaped ring double-sealing structure of the high-pressure valve hole cover is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a high pressure valve handhole door O type circle dual seal structure, including valve opening lid body, the trapezoidal arch of bottom fixedly connected with of valve opening lid body, just the bottom of valve opening lid body is provided with the pressure valve bonnet, first draw-in groove has been seted up to the inboard at pressure valve bonnet top, the fixed inside that sets up at first draw-in groove of trapezoidal protruding outer wall laminating, just the inner wall of the first draw-in groove of trapezoidal bellied outer wall laminating, the inside fixedly connected with sealing washer of pressure valve bonnet, the trapezoidal bellied bottom outer wall of inner wall laminating of sealing washer, the bottom fixedly connected with pressure relief head of pressure valve bonnet, the second draw-in groove has been seted up to the inside of pressure relief head one end, the fixed first O type circle that is provided with in inside of second draw-in groove, just the inner wall of the outer wall laminating second draw-in groove at first O type circle top.

As a preferred technical scheme of the utility model, the third draw-in groove has been seted up to the surface of pressure valve bonnet bottom, the fixed second O type circle that is provided with in inside of third draw-in groove, the inner wall of one side laminating third draw-in groove of second O type circle.

As an optimal technical scheme of the utility model, second draw-in groove and third draw-in groove are U type groove, the top setting of first O type circle is in the inside of second draw-in groove, the inner circle setting of second O type circle is in the inside of third draw-in groove.

As a preferred technical scheme of the utility model, the through-hole has all been seted up to the inside of pressing the valve bonnet and releasing the pressure head, the inside fixedly connected with connecting pipe of valve cap body, the one end intercommunication of connecting pipe has the connector, just the one end intercommunication through-hole of connecting pipe.

As a preferred technical scheme of the utility model, a plurality of connecting blocks of outside fixedly connected with of valve opening lid body, it is a plurality of the connecting hole has all been seted up to the inside of connecting block one end, and is a plurality of the equal fixedly connected with gasket in top of connecting block.

As an optimal technical scheme of the utility model, a plurality of stiffening ribs of bottom fixedly connected with of valve opening lid body, it is a plurality of the equal fixed connection in one side of stiffening rib is on pressing the outer wall at valve bonnet top.

As an optimal technical scheme of the utility model, it is a plurality of the connecting block is with a plurality of the stiffening rib all evenly sets up along the central axis point of valve port lid body.

The utility model has the advantages that: this kind of high pressure valve handhole door O type circle double-seal structure through the first O type circle and the second O type circle that set up, can improve respectively and let out pressure head and pressure valve bonnet the leakproofness when being connected with the cylinder, makes gas only can discharge through-hole and connecting pipe, has improved sealed effect, avoids leaking gas the emergence of phenomenon, has solved the problem that single O type circle can't satisfy sealed demand.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a structural diagram of a dual sealing structure of an O-ring of a high-pressure valve hole cover of the present invention;

FIG. 2 is a structural diagram of a first O-ring of the double sealing structure of the O-ring of the high-pressure valve hole cover of the present invention;

fig. 3 is a structural diagram of a second O-ring of the dual sealing structure of the O-ring of the high-pressure valve hole cover of the present invention.

In the figure: 1. a valve orifice cover body; 2. pressing the valve cover; 3. a pressure relief head; 4. a connecting pipe; 5. a connector; 6. connecting blocks; 7. a first card slot; 8. a trapezoidal protrusion; 9. a seal ring; 10. a through hole; 11. a third card slot; 12. a second card slot; 13. a first O-ring; 14. a second O-ring; 15. and (4) reinforcing ribs.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in FIGS. 1-3, the utility model relates to a high pressure valve hole cover O-ring double sealing structure, which comprises a valve hole cover body 1, a trapezoidal protrusion 8 is fixedly connected to the bottom of the valve hole cover body 1, a pressure valve cover 2 is arranged at the bottom of the valve hole cover body 1, a first clamping groove 7 is arranged at the inner side of the top of the pressure valve cover 2, the trapezoidal protrusion 8 is fixedly arranged inside the first clamping groove 7, the outer wall of the trapezoidal protrusion 8 is attached to the inner wall of the first clamping groove 7, a sealing ring 9 is fixedly connected to the inside of the pressure valve cover 2, the inner wall of the sealing ring 9 is attached to the outer wall of the bottom of the trapezoidal protrusion 8, the sealing ring 9 can seal the connection between the first clamping groove 7 and the trapezoidal protrusion 8 to avoid gas leakage, a pressure relief head 3 is fixedly connected to the bottom of the pressure valve cover 2, a second clamping groove 12 is arranged inside one end of the pressure relief head 3, a first O-ring 13 is fixedly arranged inside the second clamping groove 12, and the outer wall of the top of the first O-shaped ring 13 is attached to the inner wall of the second clamping groove 12.

The outer surface of the bottom of the pressure valve cover 2 is provided with a third clamping groove 11, a second O-shaped ring 14 is fixedly arranged inside the third clamping groove 11, and one side of the second O-shaped ring 14 is attached to the inner wall of the third clamping groove 11.

Second draw-in groove 12 and third draw-in groove 11 are U type groove, and the top setting of first O type circle 13 is in the inside of second draw-in groove 12, and the inner circle setting of second O type circle 14 is in the inside of third draw-in groove 11, and secondly the bottom setting of first O type circle 13 is in the inside of cylinder, and the outer lane of second O type circle 14 then sets up in the middle of the inner wall of cylinder, can improve the leakproofness of valve flap body 1 through first O type circle 13 and the second O type circle 14 that sets up.

Through-hole 10 has all been seted up to the inside of pressing valve bonnet 2 and pressure release head 3, and the inside fixedly connected with connecting pipe 4 of valve opening lid body 1, and the one end intercommunication of connecting pipe 4 has connector 5, and the one end intercommunication through-hole 10 of connecting pipe 4, through the cooperation of through-hole 10, connecting pipe 4 and connector 5, can carry gas to discharge.

A plurality of connecting blocks 6 of outside fixedly connected with of valve port lid body 1, the connecting hole has all been seted up to the inside of 6 one ends of a plurality of connecting blocks, and the equal fixedly connected with gasket in top of a plurality of connecting blocks 6, through the setting of connecting block 6 and connecting hole, can make valve port lid body 1 fix on the cylinder.

The bottom fixedly connected with of valve handhole door body 1 has a plurality of stiffening ribs 15, and the equal fixed connection in one side of a plurality of stiffening ribs 15 is on pressing the outer wall at valve bonnet 2 top, and stiffening rib 15 can improve the joint strength between valve handhole door body 1 and the pressure valve bonnet 2, avoids producing the gap between valve handhole door body 1 and the pressure valve bonnet, causes gas leakage.

The connecting blocks 6 and the reinforcing ribs 15 are uniformly arranged along the central axial point of the valve hole cover body 1.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-pressure valve hole cover O-shaped ring double-sealing structure comprises a valve hole cover body (1) and is characterized in that a trapezoidal protrusion (8) is fixedly connected to the bottom of the valve hole cover body (1), a pressure valve cover (2) is arranged at the bottom of the valve hole cover body (1), a first clamping groove (7) is formed in the inner side of the top of the pressure valve cover (2), the trapezoidal protrusion (8) is fixedly arranged inside the first clamping groove (7), the outer wall of the trapezoidal protrusion (8) is attached to the inner wall of the first clamping groove (7), a sealing ring (9) is fixedly connected inside the pressure valve cover (2), the inner wall of the sealing ring (9) is attached to the outer wall of the bottom of the trapezoidal protrusion (8), a pressure relief head (3) is fixedly connected to the bottom of the pressure valve cover (2), a second clamping groove (12) is formed in one end of the pressure relief head (3), a first O-shaped ring (13) is fixedly arranged inside the second clamping groove (12), and the outer wall of the top of the first O-shaped ring (13) is attached to the inner wall of the second clamping groove (12).

2. The dual sealing structure for the high pressure valve hole cover O-ring according to claim 1, wherein a third clamping groove (11) is formed on the outer surface of the bottom of the pressure valve cover (2), a second O-ring (14) is fixedly arranged inside the third clamping groove (11), and one side of the second O-ring (14) is attached to the inner wall of the third clamping groove (11).

3. The dual sealing structure for the high pressure valve hole cover O-ring according to claim 2, wherein the second locking groove (12) and the third locking groove (11) are both U-shaped grooves, the top of the first O-ring (13) is disposed inside the second locking groove (12), and the inner ring of the second O-ring (14) is disposed inside the third locking groove (11).

4. The dual sealing structure of the O-ring of the high pressure valve hole cover according to claim 1, wherein the pressure valve cover (2) and the pressure relief head (3) are both provided with through holes (10), the interior of the valve hole cover body (1) is fixedly connected with a connecting pipe (4), one end of the connecting pipe (4) is communicated with the connector (5), and one end of the connecting pipe (4) is communicated with the through holes (10).

5. The dual sealing structure for the O-ring of the high pressure valve hole cover according to claim 1, wherein a plurality of connecting blocks (6) are fixedly connected to the outer side of the valve hole cover body (1), connecting holes are formed in the inner portions of one ends of the plurality of connecting blocks (6), and a gasket is fixedly connected to the top portions of the plurality of connecting blocks (6).

6. The dual sealing structure of the O-ring of the high pressure valve hole cover according to claim 5, wherein a plurality of reinforcing ribs (15) are fixedly connected to the bottom of the valve hole cover body (1), and one side of each of the plurality of reinforcing ribs (15) is fixedly connected to the outer wall of the top of the pressure valve cover (2).

7. The dual sealing structure of the O-ring of the high pressure valve hole cover according to claim 6, wherein a plurality of the connecting blocks (6) and a plurality of the reinforcing ribs (15) are uniformly arranged along the central axial point of the valve hole cover body (1).