CN214946406U - Multi-segment compression ring self-sealing integrated valve rod high-pressure stop valve - Google Patents
Multi-segment compression ring self-sealing integrated valve rod high-pressure stop valve Download PDFInfo
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- CN214946406U CN214946406U CN202121386628.1U CN202121386628U CN214946406U CN 214946406 U CN214946406 U CN 214946406U CN 202121386628 U CN202121386628 U CN 202121386628U CN 214946406 U CN214946406 U CN 214946406U
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- Prior art keywords
- valve
- ring
- stop valve
- elastic
- arc
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- 238000007789 sealing Methods 0.000 title claims abstract description 39
- 230000006835 compression Effects 0.000 title claims description 14
- 238000007906 compression Methods 0.000 title claims description 14
- 229920001971 elastomer Polymers 0.000 claims description 31
- 239000000806 elastomer Substances 0.000 claims description 16
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 241000283216 Phocidae Species 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 206010063659 Aversion Diseases 0.000 abstract description 2
- 241000446313 Lamella Species 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
The utility model relates to a stop valve technical field discloses a many lamella clamping rings self sealss integral type valve rod high pressure stop valve, including the valve body, the valve pocket has been seted up to the inside of valve body, the inside of valve pocket is provided with the valve gap, the top of valve gap is provided with one end and runs through and extend to the inside valve rod of valve pocket, and the valve gap outer lane is the multilayer step body. This multilobe clamping ring self sealss integral type valve rod high pressure stop valve, it does not have connection structure to have solved between the current multilobe ring, phenomenons such as aversion or skew appear easily after long-time the use, thereby the normal use of stop valve has been influenced, the leakproofness is the main factor who weighs the stop valve performance simultaneously, the sealing performance of stop valve also is the main index that influences its live time length, in case the leakproofness reduces, the throttle effect greatly reduced of stop valve, cause the circulation of medium, present stop valve often sealing performance is relatively poor, can appear leaking the scheduling problem after long-time the use, the shorter problem of life.
Description
Technical Field
The utility model relates to a stop valve technical field specifically is a multilobe clamping ring self sealss integral type valve rod high pressure stop valve.
Background
The stop valve is also called stop valve, belonging to forced sealing type valve, so when the valve is closed, it must apply pressure to valve clack to force sealing surface not to leak, when the medium is fed into the valve from below the valve clack, the resistance force which must be overcome by operation force is the friction force of valve stem and packing material and the thrust force produced by pressure of medium, the force for closing the valve is greater than the force for opening the valve, so the diameter of valve stem is greater, otherwise the failure of stem top bending can occur.
The existing stop valve is used for keeping good pressure-bearing capacity, the existing stop valve is generally provided with a multi-valve ring, however, a connecting structure is not arranged between the existing multi-valve rings, phenomena such as displacement or deviation can easily occur after long-time use, normal use of the stop valve is influenced, meanwhile, the sealing performance is a main factor for measuring the performance of the stop valve, the sealing performance of the stop valve is also a main index for influencing the service life of the stop valve, once the sealing performance is reduced, the throttling effect of the stop valve is greatly reduced, medium circulation is caused, the existing stop valve is poor in sealing performance, problems such as leakage and the like can occur after long-time use, the service life is short, and the problem that the self-sealing integrated valve rod high-pressure stop valve with the multi-valve pressing ring is provided is solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a many lamellas clamping ring self sealss integral type valve rod high pressure stop valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a valve rod high-pressure stop valve with a multi-segment compression ring self-sealing integrated structure comprises a valve body, a valve cavity is formed in the valve body, a valve cover is arranged in the valve cavity, a valve rod with one end penetrating and extending into the valve cavity is arranged at the top end of the valve cover, the outer ring of the valve cover is a multi-layer step body, a sealing ring, a compression ring, a multi-segment ring and a positioning sleeve are sequentially arranged between the outer side of the valve cover and the inner side of the valve cavity from bottom to top, flow valve cavities communicated with the valve cavity are formed in two ends of the valve body, a cylindrical step body with one end extending into the flow valve cavity is arranged at the bottom end of the valve rod, a connecting column is fixedly mounted at the bottom end of the cylindrical step body, and a sealing assembly is arranged on the outer side of the connecting column;
the multi-valve ring comprises arc-shaped blocks, six arc-shaped blocks are arranged between the outer side of the valve cover and the inner side of the valve cavity and distributed in an annular and equidistant mode, the bottom ends of the arc-shaped blocks are in contact with the top end of the compression ring, notches are formed in the top ends of the arc-shaped blocks, the bottom ends of the two adjacent notches are movably connected with the connecting block, and the top end of the connecting block is movably connected with two limiting rods, one end of each limiting rod penetrates through the top end of the connecting block and extends into the two arc-shaped blocks;
the sealing assembly comprises a rubber inner ring, the outer portion of the connecting column is fixedly provided with the rubber inner ring, the outer side of the rubber inner ring is fixedly provided with an arched semicircular elastomer, the outer side of the arched semicircular elastomer is fixedly provided with a connecting ring, the outer side of the connecting ring is fixedly provided with an elastic block, and the outer side of the elastic block is fixedly provided with an elastic ring.
The utility model has the advantages that:
this multilobe clamping ring self sealss integral type valve rod high pressure stop valve is through connecting a plurality of arc pieces to adjacent two has been multipled steadiness between the arc piece can effectually prevent to appear phenomenons such as skew or aversion after long-time the use, can increase life to a certain extent, still is provided with seal assembly simultaneously, can effectually seal the valve body, can effectually prevent to appear leaking the scheduling problem with the hand for a long time.
As a further aspect of the present invention: the limiting groove matched with the limiting rod and communicated with the notch groove is formed in the arc-shaped block, and the limiting rod is movably connected in the limiting groove.
The beneficial effect who adopts above-mentioned further scheme is through being provided with the spacing groove for when being connected between gag lever post and arc piece, can accomplish the connection between two adjacent arc pieces with the inside of gag lever post grafting and spacing groove.
As a further aspect of the present invention: twenty are no less than to the quantity of arch semicircle elastomer, twenty the arch semicircle elastomer is annular equidistance and distributes.
Adopt above-mentioned further scheme's beneficial effect is through being provided with a plurality of arch semicircle elastomers for when sealing, the elasticity of a plurality of arch semicircle elastomers of accessible supports the go-between jointly, strengthens its elasticity when sealing.
As a further aspect of the present invention: eighteen are no less than to the quantity of elastic blocks, and are the annular setting, and adjacent two distance between the elastic blocks equals.
Adopt above-mentioned further scheme's beneficial effect be, still be provided with a plurality of elastic blocks for the in-process that uses can be further increase seal assembly's elasticity, thereby laminating that can be better and the inside wall of flowing valve chamber, increase its leakproofness.
As a further aspect of the present invention: the go-between includes first skid resistant course, the outside fixed mounting of arch semicircle elastomer has first skid resistant course, the outside fixed mounting of first skid resistant course has the yarn layer, the outside fixed mounting on yarn layer has wave plate, wave plate's outside fixed mounting has the second skid resistant course, the outside fixed mounting of second skid resistant course has elastic block.
The beneficial effects of adopting above-mentioned further scheme are that, through being provided with first skid resistant course and second skid resistant course, can avoid arch semicircle elastomer and elastic block phenomenon such as skid to appear in the in-process of atress, the use of cooperation yarn layer and wave plate has simultaneously been avoided causing the damage of sealing washer when tensile, and the design of yarn layer and wave plate has guaranteed that the sealing washer is at horizontal and fore-and-aft elasticity.
As a further aspect of the present invention: the rubber inner ring can be made of nitrile rubber, and the thickness of the first anti-slip layer and the thickness of the second anti-slip layer are not more than five millimeters.
Adopt above-mentioned further scheme's beneficial effect be, through setting for the material to the rubber inner circle for spliced pole and rubber inner circle are when being connected, the laminating that can be better and the outside of spliced pole, thereby the steadiness when increasing to connect.
As a further aspect of the present invention: the elastic ring is gradually reduced from bottom to top in outer diameter, and the elastic ring and the connecting column are coaxially arranged.
Adopt above-mentioned further scheme's beneficial effect be, through injecing the elastic ring for the spliced pole is moving down when sealed, is convenient for move down and seal.
Drawings
FIG. 1 is a schematic structural diagram of a multi-segment pressure ring self-sealing integrated valve rod high-pressure stop valve;
FIG. 2 is a schematic structural diagram of a multi-segment pressure ring self-sealing integrated valve rod high-pressure stop valve between two adjacent arc blocks;
FIG. 3 is a top view of a multi-valve ring in the multi-valve ring self-sealing integrated valve rod high-pressure stop valve;
FIG. 4 is a schematic structural diagram of a multi-segment pressure ring self-sealing integrated valve rod high-pressure stop valve sealing assembly;
FIG. 5 is a schematic structural view of a connecting ring of a multi-segment pressure ring self-sealing integrated valve rod high-pressure stop valve;
FIG. 6 is a schematic view of a connection column and a sealing assembly of a multi-segment compression ring self-sealing integrated valve rod high-pressure stop valve.
In the figure: 1. a valve body; 2. a valve cavity; 3. a valve cover; 4. a valve stem; 5. a seal ring; 6. pressing a ring; 7. a multivalve annulus; 71. an arc-shaped block; 72. notching; 73. connecting blocks; 74. a limiting rod; 8. a positioning sleeve; 9. a flow valve cavity; 10. a cylindrical step body; 11. connecting columns; 12. a seal assembly; 121. a rubber inner ring; 122. an arched semicircular elastic body; 123. a connecting ring; 1231. a first non-slip layer; 1232. a yarn layer; 1233. a wave plate; 1234. a second non-slip layer; 124. an elastic block; 125. an elastic ring.
Detailed Description
Referring to fig. 1 to 6, in an embodiment of the present invention, a multi-segment compression ring self-sealing integrated valve rod high-pressure stop valve includes a valve body 1, a valve cavity 2 is disposed inside the valve body 1, a valve cover 3 is disposed inside the valve cavity 2, a valve rod 4 having one end penetrating and extending into the valve cavity 2 is disposed at the top end of the valve cover 3, an outer ring of the valve cover 3 is a multi-layer step body, a sealing ring 5, a compression ring 6, a multi-segment ring 7 and a positioning sleeve 8 are sequentially disposed between the outer side of the valve cover 3 and the inner side of the valve cavity 2 from bottom to top, flow valve cavities 9 communicated with the valve cavity 2 are disposed at both ends of the valve body 1, a cylindrical step body 10 having one end extending into the flow valve cavity 9 is disposed at the bottom end of the valve rod 4, a connection column 11 is fixedly mounted at the bottom end of the cylindrical step body 10, and a sealing assembly 12 is disposed at the outer side of the connection column 11; the multivalve ring 7 comprises arc-shaped blocks 71, six arc-shaped blocks 71 are arranged between the outer side of the valve cover 3 and the inner side of the valve cavity 2, the six arc-shaped blocks 71 are distributed in an annular equidistant manner, the bottom ends of the arc-shaped blocks 71 are contacted with the top end of the pressing ring 6, the top ends of the arc-shaped blocks 71 are provided with notches 72, the bottom ends of the two adjacent notches 72 are movably connected with a connecting block 73, the top end of the connecting block 73 is movably connected with two limiting rods 74, one end of each limiting rod 74 penetrates through the connecting block and extends into the two arc-shaped blocks 71, limiting grooves which are matched with the limiting rods 74 and communicated with the notches 72 are formed in the arc-shaped blocks 71, and the limiting rods 74 are movably connected in the limiting grooves; the sealing assembly 12 comprises a rubber inner ring 121, the rubber inner ring 121 is fixedly mounted on the outer portion of the connecting column 11, the rubber inner ring 121 can be nitrile rubber, the thicknesses of the first anti-slip layer 1231 and the second anti-slip layer 1234 do not exceed five millimeters, the outer side of the rubber inner ring 121 is fixedly mounted with an arched semicircular elastomer 122, the number of the arched semicircular elastomers 122 is not less than twenty, twenty arched semicircular elastomers 122 are distributed in an annular and equidistant manner, the outer side of the arched semicircular elastomer 122 is fixedly mounted with a connecting ring 123, the connecting ring 123 comprises a first anti-slip layer 1231, the outer side of the arched semicircular elastomer 122 is fixedly mounted with a first anti-slip layer 1231, the outer side of the first anti-slip layer 1231 is fixedly mounted with a yarn layer 1232, the outer side of the yarn layer 1232 is fixedly mounted with a wave plate 1233, the outer side of the wave plate 1233 is fixedly mounted with a second anti-slip layer 1234, the outer side of the second anti-slip layer 1234 is fixedly mounted with an elastic block 124, the outside fixed mounting of go-between 123 has elasticity piece 124, and the quantity of elasticity piece 124 is no less than eighteen, and is the annular setting, and the distance between two adjacent elasticity pieces 124 equals, and the outside fixed mounting of elasticity piece 124 has elasticity circle 125, and elasticity circle 125 is followed supreme external diameter from down and is reduced gradually, and elasticity circle 125 and spliced pole 11 are coaxial setting.
The utility model discloses a theory of operation is:
the implementation steps of innovation points are as follows:
the first step is as follows: when the connecting device is installed, the six arc-shaped blocks 71 can be sequentially placed at the top end of the pressing ring 6, the connecting block 73 is placed inside the two adjacent notches 72, and the limiting rod 74 is used for inserting the limiting rod 74 into the limiting groove, so that the two adjacent arc-shaped blocks 71 can be connected, the stability of the two adjacent arc-shaped blocks 71 can be enhanced, and the phenomena of deviation, accidents and the like cannot occur in the using process;
the second step is that: be provided with seal assembly 12 simultaneously, make valve rod 4, cylindric step body 10 and spliced pole 11 when moving down, can strengthen dual elasticity with this through arch semicircle elastomer 122 and elastic block 124, make the laminating that elastic ring 125 can be better and the inside wall of flowing valve chamber 9, thereby increase its sealed effect, cooperation yarn layer 1232 and wave board 1233's use, avoided causing the damage of elastic ring 125 when tensile, yarn layer 1232 and wave board 1233's design has guaranteed elastic ring 125 at horizontal and fore-and-aft elasticity.
The above-mentioned, 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 (7)
1. The high-pressure stop valve comprises a valve body (1) and is characterized in that a valve cavity (2) is formed in the valve body (1), a valve cover (3) is arranged in the valve cavity (2), a valve rod (4) with one end penetrating through and extending into the valve cavity (2) is arranged at the top end of the valve cover (3), the outer ring of the valve cover (3) is a multi-layer step body, a sealing ring (5), a pressing ring (6), a multi-valve ring (7) and a positioning sleeve (8) are sequentially arranged between the outer side of the valve cover (3) and the inner side of the valve cavity (2) from bottom to top, a flow valve cavity (9) communicated with the valve cavity (2) is arranged at each of two ends of the valve body (1), a cylindrical step body (10) with one end extending into the flow valve cavity (9) is arranged at the bottom end of the valve rod (4), and a connecting column (11) is fixedly arranged at the bottom end of the cylindrical step body (10), a sealing component (12) is arranged on the outer side of the connecting column (11);
the multi-valve ring (7) comprises arc-shaped blocks (71), six arc-shaped blocks (71) are arranged between the outer side of the valve cover (3) and the inner side of the valve cavity (2), the six arc-shaped blocks (71) are distributed in an annular and equidistant mode, the bottom ends of the arc-shaped blocks (71) are in contact with the top end of the pressing ring (6), notches (72) are formed in the top ends of the arc-shaped blocks (71), the bottom ends of every two adjacent notches (72) in the grooves are movably connected with a connecting block (73), and the top end of the connecting block (73) is movably connected with two limiting rods (74) of which one end penetrates through and extends to the inner parts of the two arc-shaped blocks (71);
seal assembly (12) includes rubber inner circle (121), the outside fixed mounting of spliced pole (11) has rubber inner circle (121), the outside fixed mounting of rubber inner circle (121) has arch semicircle elastomer (122), the outside fixed mounting of arch semicircle elastomer (122) has go-between (123), the outside fixed mounting of go-between (123) has elastic block (124), the outside fixed mounting of elastic block (124) has elastic ring (125).
2. The high-pressure stop valve with the multi-segment compression ring and the self-sealing integrated valve rod as claimed in claim 1, wherein a limiting groove which is matched with the limiting rod (74) and communicated with the notch groove (72) is formed in the arc-shaped block (71), and the limiting rod (74) is movably connected in the limiting groove.
3. The high-pressure stop valve with the multi-segment compression ring and the self-sealing integrated valve rod as claimed in claim 1, wherein the number of the arched semicircular elastic bodies (122) is not less than twenty, and twenty of the arched semicircular elastic bodies (122) are distributed in an annular shape at equal intervals.
4. The high-pressure stop valve with the multi-segment compression ring and the self-sealing integrated valve rod as claimed in claim 1, wherein the number of the elastic blocks (124) is not less than eighteen, the elastic blocks are arranged in an annular shape, and the distance between every two adjacent elastic blocks (124) is equal.
5. The multi-petal compression ring self-sealing integrated valve rod high-pressure stop valve as claimed in claim 1, wherein the connection ring (123) comprises a first anti-slip layer (1231), a first anti-slip layer (1231) is fixedly mounted on the outer side of the arched semicircular elastic body (122), a yarn layer (1232) is fixedly mounted on the outer side of the first anti-slip layer (1231), a corrugated plate (1233) is fixedly mounted on the outer side of the yarn layer (1232), a second anti-slip layer (1234) is fixedly mounted on the outer side of the corrugated plate (1233), and an elastic block (124) is fixedly mounted on the outer side of the second anti-slip layer (1234).
6. The high-pressure stop valve with the multi-petal compression ring self-sealing integrated valve rod as claimed in claim 5, wherein the rubber inner ring (121) can be nitrile rubber, and the thickness of the first anti-skid layer (1231) and the thickness of the second anti-skid layer (1234) are not more than five millimeters.
7. The high-pressure stop valve with the multi-segment compression ring and the self-sealing integrated valve rod as claimed in claim 1, wherein the elastic ring (125) is gradually reduced in outer diameter from bottom to top, and the elastic ring (125) and the connecting column (11) are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121386628.1U CN214946406U (en) | 2021-06-22 | 2021-06-22 | Multi-segment compression ring self-sealing integrated valve rod high-pressure stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121386628.1U CN214946406U (en) | 2021-06-22 | 2021-06-22 | Multi-segment compression ring self-sealing integrated valve rod high-pressure stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214946406U true CN214946406U (en) | 2021-11-30 |
Family
ID=79049525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121386628.1U Expired - Fee Related CN214946406U (en) | 2021-06-22 | 2021-06-22 | Multi-segment compression ring self-sealing integrated valve rod high-pressure stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214946406U (en) |
-
2021
- 2021-06-22 CN CN202121386628.1U patent/CN214946406U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |