CN218719697U - Two-position valve high-pressure flange leakage stopping clamp - Google Patents
Two-position valve high-pressure flange leakage stopping clamp Download PDFInfo
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- CN218719697U CN218719697U CN202222709403.6U CN202222709403U CN218719697U CN 218719697 U CN218719697 U CN 218719697U CN 202222709403 U CN202222709403 U CN 202222709403U CN 218719697 U CN218719697 U CN 218719697U
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- pressure flange
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Abstract
The utility model provides a two valve high pressure flange leaking stoppage anchor clamps, its characterized in that: the leak stopping clamp consisting of the filler block and the semi-ring clamp body is positioned between the high-pressure flange and the upper valve body; the leakage stopping clamp consists of a filler block and a semi-ring clamp body; the semi-ring clamp body is in a semi-ring shape, glue injection bolt holes are formed in the semi-ring clamp body, a pair of lug plates are welded on two sides of the outer surface of the semi-ring clamp body, and the bolt and nut combination penetrates through holes formed in the corresponding lug plates to connect the two semi-ring clamp bodies; more than two filling blocks are arranged in the plugging clamp, the outer ring of each filling block is in a fan-shaped ring shape, a convex block is arranged on each filling block, a glue injection hole penetrates through each convex block, and an internal thread is arranged at a position, close to each fan-shaped ring, of each glue injection hole; the glue injection bolt is connected with the semi-ring clamp body and the filler block and provided with an axial through hole; and the sealant fills the gap between the upper valve body, the lower valve body, the valve seat, the high-pressure bolt and the filler block. The utility model provides high-pressure flange leaking stoppage success rate and stability.
Description
Technical Field
The utility model discloses a two valve structure among the frock especially relates to the anchor clamps that two valve high pressure flange leak sources were handled.
Background
In a chemical industry enterprise, two-position valves are visible everywhere, a lower valve body and an upper valve body of a plurality of large-scale two-position valves are connected through a high-pressure flange, a valve seat is arranged between the lower valve body and the upper valve body, the valve seat mainly plays a sealing role, generally, materials passing through the two-position valves have physical characteristics of high temperature and high pressure, the leakage is easy to occur between the valve seat and the lower valve body due to long-time operation, under the condition that a small amount of leakage still occurs after a high-pressure nut is fastened, the device needs to be stopped to repair the valve seat to solve the leakage point problem, however, the device needs to be stopped to consume a large amount of manpower and material resources to make the method not advisable, a special manufacturing clamp is generally adopted to stop leakage, and for the high-pressure flange, the traditional special leakage stopping clamp has the problems of low leakage success, poor stability and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a two valve high pressure flange leaking stoppage anchor clamps, the purpose is solved prior art shortcoming, reduces required sealed fill volume and the extrusion force of gluing, improves high pressure flange leaking stoppage's success rate and stability.
The utility model provides a technical scheme that above-mentioned technical problem adopted is:
a high-pressure flange leakage stopping clamp for a two-position valve is characterized in that a high-pressure flange is fixedly arranged on a lower valve body, a high-pressure bolt penetrates through the high-pressure flange and then is screwed into a screw hole of an upper valve body to connect the lower valve body with the upper valve body, and a valve seat is arranged between the lower valve body and the upper valve body;
the leakage stopping clamp is positioned between the high-pressure flange and the upper valve body;
the leakage stopping clamp consists of a filler block and a semi-ring clamp body;
the semi-ring clamp bodies are semi-annular, glue injection bolt holes are formed in the semi-ring clamp bodies, a pair of lug plates are welded on two sides of the outer surface of each semi-ring clamp body, the two semi-ring clamp bodies are arranged oppositely, and bolt and nut combinations penetrate through holes formed in the corresponding lug plates to connect the two semi-ring clamp bodies;
more than two filling blocks are arranged in the plugging clamp, the outer ring of each filling block is in a fan-shaped ring shape, a convex block is arranged on each filling block, a glue injection hole penetrates through each convex block, and an internal thread is arranged at a position, close to each fan-shaped ring, of each glue injection hole;
the glue injection bolt is connected with the semi-ring clamp body and the filler block, after the glue injection bolt penetrates through the glue injection bolt hole, an external thread arranged at the tail end of the glue injection bolt is matched with an internal thread arranged at a position, close to the fan ring, of the glue injection hole, and the glue injection bolt is provided with an axial through hole;
the high-pressure bolt penetrates through the middle gap between the two lugs;
and the sealant fills the gap between the upper valve body, the lower valve body, the valve seat, the high-pressure bolt and the filler block.
The semi-ring clamp body internal surface is provided with a semi-ring boss, and semi-ring boss card is at high-pressure flange's top edge, with high-pressure flange's upper surface and outer wall cooperation.
Each ear plate of the semi-ring clamp body is provided with two through holes.
Four packing blocks are arranged inside the leakage stopping clamp, the outer ring of each packing block is a right-angle sector ring, and each packing block is provided with two convex blocks.
And flexible filler is embedded on the surface of the bump.
The bump is a trapezoidal bump.
The head of the glue injection bolt is a hexagonal head provided with internal threads.
The utility model discloses an useful part lies in:
1. the packing blocks are adopted for packing, so that the packing volume and the extrusion force of the required sealant are reduced, the sealant has an extrusion effect on the flexible packing inlaid on the packing blocks, and the success rate of leaking stoppage is ensured.
2. The glue injection bolt is connected with the semi-ring clamp body and the filler block through the glue injection bolt hole in the semi-ring clamp body and the glue injection hole in the filler block and injects glue, so that the structural stability of the leaking stoppage clamp is ensured.
3. The semi-ring convex blocks on the semi-ring clamp body tightly push the packing blocks and fill the gap between the high-pressure flange and the upper valve body, so that the glue injection bolt holes and the glue injection holes are conveniently concentrically matched, and the stability between the leaking stoppage clamp and the valve body is ensured while the labor amount of leaking stoppage operation is reduced.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall assembly three-dimensional structure of the present invention;
FIG. 2 is a front sectional view of the overall assembly of the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2;
FIG. 4 is a top cross-sectional view of the overall assembly of the present invention;
FIG. 5 is a schematic view of the three-dimensional structure of the clamp of the present invention;
FIG. 6 is a front partial sectional view of the clamp of the present invention;
fig. 7 is a schematic three-dimensional structure diagram of the semi-ring clamp body of the present invention;
fig. 8 is a schematic diagram of the three-dimensional structure of the packing block of the present invention.
Reference numbers in the figures:
1: a two-position valve; 11: a high-pressure bolt; 12: a high pressure nut; 13: a high pressure flange; 14: a lower valve body; 15: a valve seat; 16: an upper valve body; 17: a valve core; 18: a missing point; 19: sealing glue; 2: a leakage stopping clamp; 21: the semi-ring clamp body; 211: a semi-ring boss; 212: glue injection bolt holes; 213: an ear plate; 22: a filler block; 221: a trapezoidal bump; 222: injecting glue holes; 223: a flexible filler; 23: injecting glue into the bolt; 231: an axial through hole; 232: an internal thread; 24: a stud bolt; 25: a hexagonal nut.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to the drawings without inventive labor. In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", "bottom", and the like as used herein are used in the description to indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being 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. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be further described with reference to the drawings.
As shown in fig. 1 to 8, it is the utility model relates to an embodiment of two-position valve high-pressure flange leaking stoppage anchor clamps:
as shown in fig. 1, 2 and 3, a high pressure flange 13 is fixedly arranged on the lower valve body 14, a high pressure bolt 11 penetrates through the high pressure flange 13 and then is screwed into a screw hole of the upper valve body 16 to connect the lower valve body 14 with the upper valve body 16, and a valve seat 15 is arranged between the lower valve body 14 and the upper valve body 16.
16 cross sections of valve body are square on two valves, and 14 cross sections of lower valve body are circular, and the structure of ordinary anchor clamps is obviously not applicable to handle the leak source 18 that appears between two valve disk seats 15 of this type and the lower valve body 14, the utility model provides a two valve high pressure flange leaking stoppage anchor clamps 2 have carried out reasonable structural design and have handled in order to carry out high pressure flange 13 leak sources.
As shown in fig. 5, the two-position valve high-pressure flange leakage stopping clamp 2 has four packing blocks 22 at the innermost part, two semi-ring clamp bodies 21 are oppositely arranged at the outer part and are connected by using stud bolts 24 and hexagon nuts 25, and the semi-ring clamp bodies 21 are connected with the packing blocks 22 through eight glue injection bolts 23.
As shown in fig. 6 and 7, the half ring clamp body 21 is a half ring shape, a half ring boss 211 is arranged on the inner surface, and the half ring boss 211 is mounted and clamped on the upper edge of the high pressure flange 13 to cooperate with the upper surface and the outer wall of the high pressure flange 13 to limit the position.
A pair of ear plates 213 are welded on two sides of the outer surface, two through holes are longitudinally formed on the ear plates 213, and four glue injection bolt holes 212 are further formed in the half ring clamp body 21.
As shown in fig. 6 and 8, the outer ring of the packing block 22 is a right-angled fan ring, that is, the central angle thereof is 90 degrees, two trapezoidal projections 221 are provided thereon, a penetrating glue injection hole 222 is provided at the middle position of the trapezoidal projection 221, an internal thread is provided at the position of the glue injection hole 222 close to the fan ring, and a flexible packing 223 is embedded on the surface of the trapezoidal projection 221.
As shown in fig. 3 and 6, the glue injection bolt 23 has an axial through hole 231, the head of which is a hexagonal head with an internal thread 232 for connecting a high-pressure glue injector to inject the sealant 19 from the axial through hole 231, and an external thread provided at the tail end of the glue injection bolt 23 is matched with the internal thread provided at the position of the glue injection hole 222 close to the fan ring.
As shown in fig. 2, 3, and 4, the middle gap between the two trapezoidal protrusions 221 is larger than the diameter of the high-pressure bolt 11, and the high-pressure bolt 11 passes through the middle gap between the two trapezoidal protrusions 221. The sealant 19 injected by the high-pressure glue injector fills the gap between the upper valve body 16, the lower valve body 14, the valve seat 15, the high-pressure bolt 11 and the packing block 22, and the sealant 19 and the flexible packing 223 on the packing block 22 are extruded to achieve better sealing effect.
The working principle of the utility model is as follows:
as shown in fig. 2, 3 and 4, the lower valve body 14 and the upper valve body 16 of the two-position valve are connected through the high-pressure flange 13, a valve seat 15 is arranged between the lower valve body and the upper valve body, the valve seat 15 mainly plays a role of sealing, as the device runs for a long time, a leak source 18 is easy to appear between the valve seat 15 and the lower valve body 14, and the clamp 2 is needed to be used for plugging under the condition that the leak source 18 still exists after the high-pressure nut 12 is fastened.
Firstly, four packing blocks 22 are filled between a high-pressure flange 13 and an upper valve body 16 according to the position of a high-pressure bolt 11, then two semi-ring clamp bodies 21 are used for clamping the packing blocks 22, stud bolts 24 and hexagonal nuts 25 are used for tightly locking lug plates 213 opposite to the semi-ring clamp bodies 21, glue injection bolt holes 212 in the semi-ring clamp bodies 21 are ensured to be concentric with glue injection holes 222 in the packing blocks 22 in the process, finally eight glue injection bolts 23 are used for firmly fixing the packing blocks 22 and the semi-ring clamp bodies 21 and injecting a sealant 19 by using a high-pressure glue injector, when the gap among the upper valve body 16, the lower valve body 14, the valve seat 15, the high-pressure bolt 11 and the packing blocks 22 is filled with the sealant 19 and has certain pressure, the leakage stoppage of the two-position valve 1 is completed, and the sealing effect of the clamp 2 is better due to the extrusion effect of the sealant 19 and flexible fillers 223 on the packing blocks 22.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention should not be limited to the embodiments shown herein, and the scope of the present invention is defined by the claims.
Claims (7)
1. A high-pressure flange leakage-stopping clamp for a two-position valve is characterized in that a lower valve body (14) is fixedly provided with a high-pressure flange (13), a high-pressure bolt (11) penetrates through the high-pressure flange (13) and then is screwed into a screw hole of an upper valve body (16) to connect the lower valve body (14) with the upper valve body (16), and a valve seat (15) is arranged between the lower valve body (14) and the upper valve body (16); the method is characterized in that: the leakage stopping clamp (2) is positioned between the high-pressure flange (13) and the upper valve body (16); the leaking stoppage fixture (2) consists of a filler block (22) and a semi-ring fixture body (21); the semi-ring clamp bodies (21) are semi-annular, glue injection bolt holes (212) are formed in the semi-ring clamp bodies (21), a pair of lug plates (213) are welded on two sides of the outer surface of each semi-ring clamp body, the two semi-ring clamp bodies (21) are arranged oppositely, and bolt and nut combinations penetrate through holes formed in the corresponding lug plates (213) to connect the two semi-ring clamp bodies (21); more than two packing blocks (22) are installed inside the leaking stoppage fixture (2), the outer rings of the packing blocks (22) are in a fan-shaped ring shape, a convex block (221) is arranged on each packing block (22), a glue injection hole (222) penetrates through each convex block (221), and an internal thread is arranged at a position, close to the fan-shaped ring, of each glue injection hole (222); the glue injection bolt (23) is connected with the semi-ring clamp body (21) and the filler block (22), after the glue injection bolt (23) penetrates through the glue injection bolt hole (212), an external thread arranged at the tail end of the glue injection bolt (23) is matched with an internal thread arranged at a position, close to the fan ring, of the glue injection hole (222), and the glue injection bolt (23) is provided with an axial through hole (231); the high-pressure bolt (11) passes through the middle gap of the two lugs (221); the sealant (19) fills the gap between the upper valve body (16), the lower valve body (14), the valve seat (15), the high-pressure bolt (11) and the packing block (22).
2. The two-position valve high-pressure flange leakage stopping clamp as claimed in claim 1, wherein: the inner surface of the semi-ring clamp body (21) is provided with a semi-ring boss (211), and the semi-ring boss (211) is clamped at the upper edge of the high-pressure flange (13) and matched with the upper surface and the outer wall of the high-pressure flange (13).
3. The two-position valve high-pressure flange leakage stopping clamp as claimed in claim 1, wherein: each ear plate (213) of the semi-ring clamp body (21) is provided with two through holes.
4. The two-position valve high-pressure flange leakage stopping clamp as claimed in claim 1, wherein: four packing blocks (22) are arranged in the plugging clamp (2), the outer ring of each packing block (22) is a right-angle sector ring, and each packing block (22) is provided with two convex blocks (221).
5. The two-position valve high-pressure flange leakage stopping clamp as claimed in claim 1, wherein: the surface of the bump (221) is embedded with a flexible filler (223).
6. The two-position valve high-pressure flange leakage stopping clamp as claimed in claim 1, wherein: the bump (221) is a trapezoidal bump.
7. The two-position valve high-pressure flange leakage stopping clamp as claimed in claim 1, wherein: the head of the glue injection bolt (23) is a hexagonal head provided with an internal thread (232).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222709403.6U CN218719697U (en) | 2022-10-14 | 2022-10-14 | Two-position valve high-pressure flange leakage stopping clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222709403.6U CN218719697U (en) | 2022-10-14 | 2022-10-14 | Two-position valve high-pressure flange leakage stopping clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218719697U true CN218719697U (en) | 2023-03-24 |
Family
ID=85585812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222709403.6U Active CN218719697U (en) | 2022-10-14 | 2022-10-14 | Two-position valve high-pressure flange leakage stopping clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218719697U (en) |
-
2022
- 2022-10-14 CN CN202222709403.6U patent/CN218719697U/en active Active
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