CN221145499U - Just, tear pneumatic valve sealing washer open - Google Patents

Abstract

The utility model discloses a convenient-to-disassemble pneumatic valve sealing ring which comprises an inner fixing ring and an outer fixing ring, wherein the inner fixing ring and the outer fixing ring are respectively provided with two groups, the sections of the inner fixing ring and the outer fixing ring are semicircular, the two groups of the inner fixing ring and the outer fixing ring are combined into a circular ring structure, and the outer diameter of the inner fixing ring is matched with the inner diameter of the outer fixing ring. According to the utility model, the single outer fixing ring, the outer sealing ring and the extrusion ring are used for sealing the pneumatic valve with a single specification, and the inner fixing ring, the inner sealing ring and the like are matched for reducing the inner diameter of the whole sealing ring, so that the pneumatic valve with different specifications is used, the application range of the sealing ring is improved, and the limiting fixation of the sealing ring is facilitated due to the effects of the outer fixing ring and the inner fixing ring, so that deformation damage of the sealing ring in the use process is reduced.

Description

Just, tear pneumatic valve sealing washer open

Technical Field

The utility model relates to the technical field of sealing rings, in particular to a conveniently-detached pneumatic valve sealing ring.

Background

The pneumatic valve has the advantages that the pressure difference at the two sides of the valve is larger at the switching moment, the pressure side is about 0.75MPa, the non-pressure side is 0MPa, the instantaneous flow of gas is large, and the quality of the performance of the pneumatic valve sealing ring plays an important role in keeping the pressure in a pipe network stable;

In the sealing washer for pneumatic valve of publication No. CN207394099U, including the sealing body and the inside lining body of two semicircle of constituteing annular two semicircle respectively, two the first ring that the sealing body constitutes is located two in the second ring that the inside lining body constitutes, solved sealing washer and sealing body sealed performance relatively poor and life is short under abominable operating mode among the prior art to and seal structure is the integral difficulty of changing, and then causes whole equipment to change, causes the higher scheduling problem of expense, there is the following shortcoming in the above-mentioned prior art scheme: the sealing body is limited and fixed mainly through the connecting body and the lining body in the structure, and because the sealing body is integrated with the structure, the inner diameter of the sealing body is fixed, and the like, when valves with different specifications are required to be sealed, the sealing body is required to be replaced correspondingly, the existing sealing body is required to be discarded, and the sealing body cannot be suitable for products with multiple specifications, so that a certain improvement space exists.

Disclosure of utility model

The utility model aims to provide a conveniently-detached pneumatic valve sealing ring, which solves the problem that the prior sealing ring in the background technology is difficult to adjust the inner diameter.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a just, tear formula pneumatic valve sealing washer open, includes inner fixed ring, outer fixed ring, inner fixed ring and outer fixed ring all are provided with two sets of, the cross-section of inner fixed ring and outer fixed ring is semi-circular, two sets of inner fixed ring and outer fixed ring combination be the ring structure, the external diameter of inner fixed ring and the internal diameter assorted of outer fixed ring, the both ends of inner fixed ring and outer fixed ring all are provided with the axial groove, the inner seal groove has been seted up in the outside of inner fixed ring, and the internally mounted of inner seal groove has inner seal ring, the outer seal groove has been seted up in the outside of outer fixed ring, and the internally mounted of outer seal groove has outer seal ring, the extrusion ring is all installed at the both ends in the outer seal ring outside, the spread groove has evenly been seted up at the both ends that the inner seal ring is close to outer fixed ring one side, and the top of spread to the inside of spread groove to the spread groove, the pressure release groove has been seted up to the inboard of inner fixed ring.

When the convenient-to-disassemble pneumatic valve sealing ring is used, the pneumatic valve with single specification is conveniently sealed through the actions of the single external fixing ring, the external sealing ring and the extrusion ring, and the inner fixing ring, the inner sealing ring and the like are matched, so that the inner diameter of the whole sealing ring is conveniently reduced, the pneumatic valve with different specifications is used, the application range of the sealing ring is improved, and the limiting fixation of the sealing ring is facilitated due to the actions of the external fixing ring and the inner fixing ring.

Preferably, the cross sections of the inner sealing ring and the outer sealing ring are of inverted trapezoid structures, namely the width of the inner sealing ring is gradually increased from inside to outside, and the width of the outer sealing ring is equal to that of the inner sealing ring.

Preferably, the cross sections of the extrusion ring and the connecting ring are of trapezoid structures, namely the width of the extrusion ring is gradually reduced from inside to outside, the extrusion ring protrudes to the outside of the outer sealing groove, two groups of extrusion rings are arranged, and two extrusion rings are arranged in each group.

Preferably, the side view cross section of the pressure relief groove is trapezoid, namely the width is gradually increased from inside to outside, and the main view cross section of the pressure relief groove is semicircular.

Preferably, the right side the both ends of outer solid fixed ring all evenly install first connecting piece, and the inside of first connecting piece all installs the draw-in bar, the left side the second connection piece is all evenly installed at the both ends of outer solid fixed ring, and the draw-in groove has evenly been seted up to one side that the second connection piece is close to first connecting piece.

Preferably, the cross section of the clamping strip is triangular, the cross section size of the clamping groove is matched with the cross section size of the clamping strip, and the clamping strips are distributed radially.

Compared with the prior art, the utility model has the beneficial effects that: the conveniently-detached pneumatic valve sealing ring is convenient for adjusting the inner diameter and assembling;

(1) The single outer fixing ring, the outer sealing ring and the extrusion ring are used for sealing the pneumatic valve with single specification, and the inner fixing ring, the inner sealing ring and the like are matched for reducing the inner diameter of the whole sealing ring, so that the pneumatic valve with different specifications is used, the application range of the sealing ring is improved, and the limiting fixation of the sealing ring is facilitated due to the effects of the outer fixing ring and the inner fixing ring, so that deformation damage of the sealing ring in the use process is reduced;

(2) Under the effect of first connection piece, second connection piece etc. in order to connect the outer sealing ring of left and right sides, and through the cooperation of card strip and fixture block, in order to realize the connection fixed to both, prevent that it from taking place dislocation from top to bottom.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic side sectional view of the present utility model;

FIG. 4 is a schematic view of the structure of FIG. 2A according to the present utility model;

fig. 5 is a schematic perspective view of an inner fixing ring according to the present utility model.

Reference numerals in the drawings illustrate: 1. an inner fixing ring; 2. an outer fixing ring; 3. a shaft groove; 4. an inner seal ring; 5. an outer seal ring; 6. a pressing ring; 7. an inner seal groove; 8. an outer seal groove; 9. a connecting groove; 10. a pressure relief groove; 11. a first connecting piece; 12. clamping strips; 13. a clamping groove; 14. a second connecting piece; 15. and a connecting ring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: a pneumatic valve sealing ring convenient to disassemble comprises an inner fixing ring 1 and an outer fixing ring 2;

The two ends of the right outer fixed ring 2 are uniformly provided with first connecting plates 11, clamping strips 12 are arranged in the first connecting plates 11, the two ends of the left outer fixed ring 2 are uniformly provided with second connecting plates 14, and clamping grooves 13 are uniformly formed in one side, close to the first connecting plates 11, of the second connecting plates 14;

The cross section of the clamping strip 12 is triangular, the cross section of the clamping groove 13 is matched with the cross section of the clamping strip 12, and the clamping strips 12 are distributed radially;

Specifically, as shown in fig. 2, 3 and 4, the first connecting piece 11 and the second connecting piece 14 are limited and fixed under the action of the clamping strip 12 and the clamping groove 13 when in use, so that the first connecting piece 11 and the second connecting piece 14 are prevented from being misplaced up and down, and the outer fixing rings 2 on the left side and the right side are assembled in a butt joint manner;

The inner fixing ring 1 and the outer fixing ring 2 are respectively provided with two groups, the cross sections of the inner fixing ring 1 and the outer fixing ring 2 are semicircular, the two groups of inner fixing rings 1 and the outer fixing ring 2 are combined into a circular ring structure, the outer diameter of the inner fixing ring 1 is matched with the inner diameter of the outer fixing ring 2, the two ends of the inner fixing ring 1 and the outer fixing ring 2 are respectively provided with a shaft groove 3, the outer side of the inner fixing ring 1 is provided with an inner sealing groove 7, the inner sealing groove 7 is internally provided with an inner sealing ring 4, the outer side of the outer fixing ring 2 is provided with an outer sealing groove 8, and the inner side of the outer sealing groove 8 is provided with an outer sealing ring 5;

The sections of the inner sealing ring 4 and the outer sealing ring 5 are of inverted trapezoid structures, namely the width is gradually increased from inside to outside, and the width of the outer sealing ring 5 is equal to the width of the inner sealing ring 4;

both ends of the outer side of the outer sealing ring 5 are provided with extrusion rings 6;

The sections of the extrusion ring 6 and the connecting ring 15 are of trapezoid structures, namely the widths of the extrusion ring 6 are gradually reduced from inside to outside, the extrusion ring 6 protrudes out of the outer sealing groove 8, two groups of extrusion rings 6 are arranged, and each group of extrusion rings is provided with two groups of extrusion rings;

Specifically, as shown in fig. 1 and 2, the outer sealing ring 5 can be tightly attached to the inside of the pneumatic valve under the action of the extrusion ring 6 during use so as to improve the sealing effect;

Connecting grooves 9 are uniformly formed in the two ends of the inner side of the outer sealing ring 5, connecting rings 15 are uniformly mounted at the two ends of the inner sealing ring 4, which are close to one side of the outer fixing ring 2, the top ends of the connecting rings 15 penetrate through the outer fixing ring 2 to extend into the connecting grooves 9, and pressure relief grooves 10 are formed in the inner side of the inner fixing ring 1;

The side view section of the pressure relief groove 10 is trapezoid, namely the width is gradually increased from inside to outside, and the main view section of the pressure relief groove 10 is semicircular;

Specifically, as shown in fig. 3 and 5, the pressure release groove 10 is used to release the pressure radially to the extrusion force of the sealing ring in the use process, and the deformation of the sealing member provides a certain compression space.

Working principle: when the sealing ring is used, the outer sealing ring 5 and the inner sealing ring 4 are respectively arranged in the outer sealing groove 8 and the inner sealing groove 7 in an adhesive manner, then the outer fixing ring 2 is clamped into the outer side of the inner fixing ring 1 through the action of the connecting groove 9, so that the connecting ring 15 is inserted into the connecting groove 9, then the inner fixing ring 1 and the outer fixing ring 2 are connected, the final inner diameter of the whole sealing ring is conveniently changed through the combination of the two ring bodies, the adaptability of the sealing ring is improved, and the organization mode is simple and convenient and can be disassembled;

Secondly, under the action of the shaft groove 3, the left inner fixing ring 1 and the right outer fixing ring 2 are arranged on one side of the valve shaft, then the right inner fixing ring 1 and the right outer fixing ring 2 are horizontally moved to the other side of the valve shaft, so that the first connecting sheet 11 is horizontally inserted to the outer side of the second connecting sheet 14, the clamping strip 12 enters the inside of the clamping groove 13, the connection of the left outer fixing ring 2 and the right outer fixing ring 2 is realized, and the installation work of the sealing ring is realized;

Finally, in the use, through the effect of extrusion ring 6 to be convenient for extrude the connection gap to the valve inside fixedly, thereby realize the sealed effect to starting the valve, because the effect of pressure release groove 10, when making extrusion ring 6 produce extrusion deformation, its compressive force accessible pressure release groove 10 conducts, so that produce certain deformation space for interior sealing ring 4, be convenient for extrusion ring 6 ensures sealed effect through radial deformation.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. The utility model provides a just, tear pneumatic valve sealing washer open, includes internal fixation ring (1), outer solid fixed ring (2), internal fixation ring (1) all is provided with two sets of with outer solid fixed ring (2), the cross-section of internal fixation ring (1) and outer solid fixed ring (2) is semi-circular, two sets of internal fixation ring (1) and outer solid fixed ring (2) make up into ring structure, its characterized in that: the external diameter of inner fixed ring (1) and the internal diameter phase-match of outer fixed ring (2), the both ends of inner fixed ring (1) and outer fixed ring (2) all are provided with axle groove (3), inner seal groove (7) have been seted up in the outside of inner fixed ring (1), and inner seal groove (7) internally mounted has inner seal ring (4), outer seal groove (8) have been seted up in the outside of outer fixed ring (2), and the internally mounted of outer seal groove (8) has outer sealing ring (5), extrusion ring (6) have all been installed at the both ends in outer sealing ring (5) outside, spread groove (9) have evenly been seted up at the both ends of outer sealing ring (5) inboard, inner seal ring (4) are close to the both ends of outer fixed ring (2) one side and evenly install spread ring (15), and the top of spread ring (15) runs through the inside of outer fixed ring (2) to spread groove (9), pressure release groove (10) have been seted up in the inboard of inner fixed ring (1).

2. The easy-to-disassemble pneumatic valve seal ring of claim 1, wherein: the cross sections of the inner sealing ring (4) and the outer sealing ring (5) are of inverted trapezoid structures, namely the width is gradually increased from inside to outside, and the width of the outer sealing ring (5) is equal to the width of the inner sealing ring (4).

3. The easy-to-disassemble pneumatic valve seal ring of claim 1, wherein: the cross sections of the extrusion ring (6) and the connecting ring (15) are of trapezoid structures, namely the width of the extrusion ring is gradually reduced from inside to outside, the extrusion ring (6) protrudes to the outside of the outer sealing groove (8), two groups of extrusion rings (6) are arranged, and two groups of extrusion rings are arranged.

4. The easy-to-disassemble pneumatic valve seal ring of claim 1, wherein: the side view section of the pressure relief groove (10) is trapezoid, namely the width of the pressure relief groove is gradually increased from inside to outside, and the front view section of the pressure relief groove (10) is semicircular.

5. The easy-to-disassemble pneumatic valve seal ring of claim 1, wherein: the right side both ends of outer fixed ring (2) all evenly install first connecting piece (11), and card strip (12) are all installed to the inside of first connecting piece (11), the left side second connecting piece (14) are all evenly installed at the both ends of outer fixed ring (2), and draw-in groove (13) have evenly been seted up to one side that second connecting piece (14) are close to first connecting piece (11).

6. The easy-to-disassemble pneumatic valve seal ring of claim 5, wherein: the cross section of the clamping strip (12) is triangular, the size of the cross section of the clamping groove (13) is matched with that of the cross section of the clamping strip (12), and the clamping strips (12) are distributed radially.