CN111692533B - Direct-buried jacket type gas pressure regulating device - Google Patents
Direct-buried jacket type gas pressure regulating device Download PDFInfo
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- CN111692533B CN111692533B CN202010277240.1A CN202010277240A CN111692533B CN 111692533 B CN111692533 B CN 111692533B CN 202010277240 A CN202010277240 A CN 202010277240A CN 111692533 B CN111692533 B CN 111692533B
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 78
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 239000010865 sewage Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims 6
- 239000002737 fuel gas Substances 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 9
- 101150114468 TUB1 gene Proteins 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a direct-buried jacket type gas pressure regulating device, which comprises an outer barrel and an inner barrel, wherein the top of the outer barrel is sealed and fixed with the inner barrel through a cover plate, the right side of the outer barrel is provided with an air outlet pipe joint communicated with an inner cavity of the outer barrel, the left side of the inner barrel is provided with an air inlet pipe joint communicated with the inner cavity of the inner barrel and penetrating through the outer barrel, the bottom of the inner barrel is provided with a lower bracket, and the top of the inner barrel is provided with an upper bracket; still including setting up the pressure regulating subassembly in interior bucket, the pressure regulating subassembly includes vertical voltage regulator and fixes the blind plate at the voltage regulator upside through a plurality of pull rod intervals, and the lower extreme of voltage regulator clamps in lower bracket and makes its lower port and the inner chamber intercommunication of outer bucket, is equipped with down seal structure between lower bracket and the voltage regulator, and the blind plate clamps in last bracket, is equipped with seal structure between upper bracket and the blind plate. The novel embedded type sealing device has the advantages of simple structure, convenience in disassembly and assembly, reliability in sealing and strong adaptability, the embedded depth can be effectively reduced, the installation difficulty is reduced, and the safety is improved.
Description
Technical Field
The invention relates to a pressure regulator, in particular to a direct-buried jacket type gas pressure regulating device.
Background
In a gas pipe network, a traditional pressure regulating station is usually arranged on the ground, so that a station house needs to be built for the traditional pressure regulating station so as to manage and maintain equipment such as a pressure regulator, a large amount of land resources and ground space are occupied, and urban planning is not facilitated. In order to solve the problem, the mode that equipment such as a pressure regulator is buried underground and an operation opening is arranged on the upper side of the pressure regulator appears in the field at present, but the air inlet and the air outlet of the existing buried gas pressure regulator have large height difference, so that the vertical size is large, the buried depth is large when the gas inlet and the air outlet are buried, the elevation of the air inlet and the air outlet is required to be adjusted through an elbow, the buried gas pressure regulator is connected with buried gas pipelines on two sides, the construction amount is increased, and the installation difficulty is large. Particularly, the existing buried gas pressure regulator adopts a plane sealing structure, and has the problems of unreliable sealing and poor safety.
Disclosure of Invention
The invention aims to provide a direct-buried jacket type gas pressure regulating device which has the advantages of simple structure, convenience in disassembly and assembly, reliability in sealing and strong adaptability, and can effectively reduce the buried depth, reduce the installation difficulty and improve the safety.
In order to solve the problems in the prior art, the invention provides a direct-buried jacket type gas pressure regulating device, which comprises an outer barrel and an inner barrel, wherein the top of the outer barrel is fixed with the inner barrel in a sealing way through a cover plate, the right side of the outer barrel is provided with an air outlet pipe joint communicated with an inner cavity of the outer barrel, the left side of the inner barrel is provided with an air inlet pipe joint communicated with the inner cavity of the inner barrel and penetrating through the outer barrel, the bottom of the inner barrel is provided with a lower bracket, and the top of the inner barrel is provided with an upper bracket; still including setting up the pressure regulating subassembly in interior bucket, the pressure regulating subassembly includes vertical voltage regulator and fixes the blind plate at the voltage regulator upside through a plurality of pull rod intervals, the lower extreme of voltage regulator clamps in lower bracket and makes its lower port and the inner chamber intercommunication of outer bucket, is equipped with down seal structure between lower bracket and the voltage regulator, the blind plate clamps in last bracket, is equipped with seal structure between upper bracket and the blind plate.
Further, the invention relates to a direct-buried jacket type gas pressure regulating device, wherein a communicating pipe for communicating an inner cavity of the inner barrel with an inner cavity of the outer barrel is arranged at the bottom of the inner barrel, the lower support is annular and is fixed at the top of the communicating pipe, an inner hole of the lower support comprises a first large hole and a first small hole which are distributed up and down, a first ring platform is formed at the joint of the first large hole and the first small hole, a first ring groove is arranged along the circumferential direction of the first ring platform, and a first sealing ring with a rectangular single-side cross section is arranged in the first ring groove; the lower end of the pressure regulator is located in a first large hole of the lower support seat, a first sealing groove is formed in the peripheral wall of the lower end of the pressure regulator, a first sealing ring with a circular single-side section is installed in the first sealing groove, and the lower sealing structure is a first annular groove, the first sealing ring, the first sealing groove and the first sealing ring.
Furthermore, the direct-buried jacketed gas pressure regulating device is characterized in that the peripheral wall of the first large hole is in transitional connection with the first annular table through a first conical surface, and the lower end of the pressure regulator is provided with a first conical part matched with the first conical surface.
Further, the direct-buried jacketed gas pressure regulating device is characterized in that a first conical part of the pressure regulator is attached to a first conical surface, a gap is reserved between the bottom of the pressure regulator and the first annular table, and an opening of the first annular groove is horn-shaped.
Further, the direct-buried jacketed gas pressure regulating device is characterized in that the upper supporting seat is annular, an inner hole of the upper supporting seat comprises a second large hole and a second small hole which are distributed vertically, a second ring platform is formed at the joint of the second large hole and the second small hole, a second ring groove is formed in the second ring platform along the circumferential direction, and a second sealing ring with a rectangular single-side cross section is installed in the second ring groove; the blind plate is positioned in a second large hole of the upper support seat, a second sealing groove is formed in the peripheral wall of the blind plate, a second sealing ring with a round single-side section is installed in the second sealing groove, and the upper sealing structure is a second annular groove, a second sealing ring, a second sealing groove and a second sealing ring.
Further, the direct-buried jacketed gas pressure regulating device provided by the invention is characterized in that the peripheral wall of the second large hole is in transition connection with the second annular platform through a second conical surface, and the blind plate is provided with a second conical part matched with the second conical surface.
Further, the directly-buried jacketed gas pressure regulating device is characterized in that the second conical part of the blind plate is attached to the second conical surface, a gap is reserved between the bottom of the blind plate and the second annular table, and an opening of the second annular groove is horn-shaped.
Further, the direct-buried jacket type gas pressure regulating device is characterized in that a skirt base is arranged on the lower side of the outer barrel, and a supporting bottom plate is arranged at the bottom of the skirt base; a sewage discharge pipe penetrating through the skirt is arranged at the bottom of the outer barrel; a protective box is arranged on the upper side of the cover plate; the voltage regulator comprises a monitoring voltage regulator and a working voltage regulator which are connected in series.
Compared with the prior art, the direct-buried jacket type gas pressure regulating device has the following advantages: the top of the outer barrel is sealed and fixed with the inner barrel through the cover plate by arranging the outer barrel and the inner barrel, the right side of the outer barrel is provided with an air outlet pipe joint communicated with the inner cavity of the outer barrel, the left side of the inner barrel is provided with an air inlet pipe joint communicated with the inner cavity of the inner barrel and penetrating through the outer barrel, the bottom of the inner barrel is provided with a lower bracket, and the top of the inner barrel is provided with an upper bracket; simultaneously, install the pressure regulating subassembly in interior bucket, make the pressure regulating subassembly set up vertical voltage regulator and fix the blind plate at the voltage regulator upside through a plurality of pull rod intervals, let the lower extreme of voltage regulator clamp and adorn in lower bracket and make its lower port and the inner chamber intercommunication of outer bucket to set up seal structure down between lower bracket and voltage regulator, let the blind plate clamp and adorn in upper bracket, and be equipped with seal structure between upper bracket and blind plate. Therefore, the direct-buried jacket type gas pressure regulating device with simple structure, convenient assembly and disassembly, reliable sealing and strong adaptability is formed, the buried depth can be effectively reduced, the installation difficulty is reduced, and the safety is improved. In practical application, the direct-buried jacket type gas pressure regulating device is vertically buried underground, the gas inlet pipe joint and the gas outlet pipe joint are correspondingly connected with buried gas pipelines at two sides, and the purposes of pressure regulation and pressure stabilization can be realized through the pressure regulator in the process that gas sequentially passes through the gas inlet pipe joint, the inner cavity of the inner barrel, the upper port of the pressure regulator, the lower bracket, the inner cavity of the outer barrel and the gas outlet pipe joint. The invention can lead the air inlet pipe joint and the air outlet pipe joint to be positioned in the same horizontal plane by arranging the jacket consisting of the outer barrel, the inner barrel and the cover plate, and can randomly adjust the height according to the buried depth, thereby effectively reducing the vertical size of the pressure regulating device and reducing the buried construction amount on one hand, and on the other hand, the elevation of the air inlet pipe joint and the air outlet pipe joint is not required to be adjusted by adopting an elbow, reducing the installation difficulty and enhancing the adaptability to the buried gas pipeline. Meanwhile, the lower bracket and the upper bracket are correspondingly arranged at the bottom and the top of the inner barrel, and the integrated pressure regulating assembly formed by combining the pressure regulator, the pull rod and the blind plate is arranged, so that the lower end of the pressure regulator and the blind plate are correspondingly clamped in the lower bracket and the upper bracket during installation, reliable sealing can be realized through the lower sealing structure and the upper sealing structure, and the inner barrel has the advantages of simplicity in operation and convenience in disassembly and assembly.
The direct-buried jacketed gas pressure regulating device of the present invention will be described in further detail with reference to the embodiments shown in the drawings.
Drawings
FIG. 1 is a schematic structural view of a direct-buried jacketed gas pressure regulating device of the present invention;
FIG. 2 is a view A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at position B;
FIG. 4 is an enlarged view of a portion of FIG. 1 at position C;
FIG. 5 is a cross-sectional view of an upper bracket of a direct-buried jacketed gas pressure regulating device of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at position D;
FIG. 7 is a cross-sectional view of a lower bracket of a direct-buried jacketed gas pressure regulating device of the present invention;
fig. 8 is a partial enlarged view of a portion at position E in fig. 7.
Detailed Description
First, it should be noted that, the directional terms such as up, down, left, right, front, rear, etc. described in the present invention are only described with reference to the accompanying drawings for understanding, and are not intended to limit the technical solution and the claimed scope of the present invention.
As shown in fig. 1 to 8, the embodiment of the direct-buried jacketed gas pressure regulating device of the present invention includes an outer barrel 1 and an inner barrel 2, and the top of the outer barrel 1 is sealed and fixed with the inner barrel 2 by a cover plate 3 to form a jacket structure. The right side of the outer barrel 1 is provided with an air outlet pipe joint 11 communicated with the inner cavity of the outer barrel, the left side of the inner barrel 2 is provided with an air inlet pipe joint 21 communicated with the inner cavity of the inner barrel and penetrating through the outer barrel 1, the bottom of the inner barrel 2 is provided with a lower bracket 22, and the top of the inner barrel 2 is provided with an upper bracket 23. Simultaneously, install the pressure regulating subassembly in interior bucket 2, make the pressure regulating subassembly set up vertical voltage regulator 4 and fix the blind plate 6 at voltage regulator 4 upside through a plurality of pull rod 5 intervals, clamp the lower extreme of voltage regulator 4 in lower bracket 22 and make its lower port and outer barrel 1's inner chamber intercommunication to set up down seal structure between lower bracket 22 and voltage regulator 4, clamp blind plate 6 in upper bracket 23, and set up upper seal structure between upper bracket 23 and blind plate 6.
Through the structure arrangement, the direct-buried jacket type gas pressure regulating device with simple structure, convenience in disassembly and assembly, reliable sealing and strong adaptability is formed, the buried depth can be effectively reduced, the installation difficulty is reduced, and the safety is improved. In practical application, the direct-buried jacketed gas pressure regulating device is vertically buried underground, the gas inlet pipe joint 21 and the gas outlet pipe joint 11 are correspondingly connected with buried gas pipelines on two sides, and the technical purposes of pressure regulation and pressure stabilization can be realized through the pressure regulator 4 in the process that gas sequentially passes through the gas inlet pipe joint 21, the inner cavity of the inner barrel 2, the upper port of the pressure regulator 4, the lower support seat 22, the inner cavity of the outer barrel 1 and the gas outlet pipe joint 11. According to the invention, the jacket consisting of the outer barrel 1, the inner barrel 2 and the cover plate 3 is arranged, so that the air inlet pipe joint 21 and the air outlet pipe joint 11 are positioned in the same horizontal plane, and the height can be adjusted at will according to the buried depth, so that the vertical size of the pressure regulating device can be effectively reduced, the buried construction amount is reduced, the elevation of the air inlet pipe joint 21 and the elevation of the air outlet pipe joint 11 do not need to be adjusted by adopting an elbow, the installation difficulty is reduced, and the adaptability to buried gas pipelines is enhanced. Meanwhile, the lower bracket 22 and the upper bracket 23 are correspondingly arranged at the bottom and the top of the inner barrel 2, and the integrated pressure regulating assembly formed by combining the pressure regulator 4, the pull rod 5 and the blind plate 6 is arranged, so that the lower end of the pressure regulator 4 and the blind plate 6 are correspondingly clamped in the lower bracket 22 and the upper bracket 23 during installation, reliable sealing can be realized through the lower sealing structure and the upper sealing structure, and the inner barrel has the advantages of simplicity in operation and convenience in disassembly and assembly. It should be noted that, the position where the air inlet joint 21 penetrates through the outer tub 1 should ensure the sealing performance of the outer tub 1, in practical application, the present invention generally adopts a mode of arranging the sleeve 8 at the periphery of the air inlet joint 21, so that the inner end of the sleeve 8 is hermetically welded with the outer peripheral wall of the inner tub 2, and the outer end of the sleeve 8 penetrates through the outer tub 1 and is hermetically welded with the outer tub 1. However, the present invention is not limited thereto, and the intake pipe joint 21 may be directly welded to the tub 1 in a sealing manner.
As an optimized scheme, the present embodiment is provided with a communicating pipe 24 for communicating the inner cavities of the inner barrel 2 and the outer barrel 1 at the bottom of the inner barrel 2, and the lower holder 22 adopts an annular structure and is fixed at the top of the communicating pipe 24. The inner hole of the lower holder 22 is divided into a first large hole 221 and a first small hole 222 which are distributed up and down, and a first annular table 223 is formed at the joint of the first large hole 221 and the first small hole 222. A first ring groove 224 is provided in the first land 223 along the circumferential direction, and a first seal ring (not shown) having a rectangular single-sided cross section is installed in the first ring groove 224. The lower end of the pressure regulator 4 is clamped in the first large hole 221 of the lower bracket 22, a first sealing groove 41 is arranged on the peripheral wall of the lower end of the pressure regulator 4, and a first sealing ring (not shown in the figure) with a single-side circular cross section is arranged in the first sealing groove 41. The lower sealing structure is a three-dimensional sealing structure formed by combining a first annular groove 224, a first sealing ring, a first sealing groove 41 and a first sealing ring, wherein the first annular groove 224 and the first sealing ring are plane sealing structures, and the first sealing groove 41 and the first sealing ring are vertical sealing structures. This structural arrangement can improve the stability of the connection and enhance the reliability of the seal. Meanwhile, in the present embodiment, the peripheral wall of the first large hole 221 and the first annular base 223 are transitionally connected by the first tapered surface 25, and the lower end of the regulator 4 is provided with the first tapered portion 42 matching with the first tapered surface 225. Through the cooperation of first pyramid part 42 and first conical surface 225, can realize centering and location purpose when the pressure regulating subassembly is installed, improve the convenience of operation. In practical application, the first tapered portion 42 of the pressure regulator 4 is attached to the first tapered surface 225, a gap is left between the bottom of the pressure regulator 4 and the first annular platform 223, and the first annular groove 224 is in a structure with a flared opening. This setting has improved the compactness between voltage regulator 4 and the lower support 22, has strengthened the steadiness of connecting, when voltage regulator 4 pushed down first sealing ring, the loudspeaker form opening through first annular 224 can make first sealed hoop both sides expansion, has improved the adaptability of first sealing ring, and can guarantee all around of first sealing ring all closely laminate with voltage regulator 4, has strengthened sealed reliability.
Similarly, the present embodiment also employs a ring-shaped structure for the upper bracket 23. The inner hole of the upper bracket 23 is divided into a second large hole 231 and a second small hole 232 which are distributed up and down, and the joint of the second large hole 231 and the second small hole 232 forms a second annular platform 233. A second annular groove 234 is provided in the second annular land 233 in the circumferential direction, and a second seal ring (not shown) having a rectangular single-sided cross section is installed in the second annular groove 234. The blind plate 6 is clamped in the second large hole 231 of the upper bracket 23, a second sealing groove 61 is arranged on the peripheral wall of the blind plate 6, and a second sealing ring (not shown in the figure) with a circular single-side section is arranged in the second sealing groove 61. The upper seal structure is a three-dimensional seal structure formed by combining the second ring groove 234, the second seal ring, the second seal groove 61, and the second seal ring. The second ring groove 234 and the second sealing ring are plane sealing structures, and the second sealing groove 61 and the second sealing ring are vertical sealing structures. This structural arrangement also improves the stability of the connection and enhances the reliability of the seal. Meanwhile, the embodiment transitionally connects the peripheral wall of the second large hole 231 and the second annular platform 233 through the second tapered surface 235, and provides the blind plate 6 with the second tapered portion 62 matched with the second tapered surface 235. Through the cooperation of second cone 62 and second cone 235, realized centering and location when the pressure regulating subassembly is installed, improved the convenience of operation. Further, in a specific application, the second tapered portion 62 of the blind plate 6 is attached to the second tapered surface 235, a gap is left between the bottom of the blind plate 6 and the second annular land 233, and the opening of the second annular groove 234 is flared. This structure has improved the compactness between blind plate 6 and the upper bracket 23, has strengthened the steadiness of connecting, when the blind plate 6 pushes down the second sealing ring, the loudspeaker form opening through second annular 234 can make the expansion of second sealing ring to both sides, has improved the adaptability of second sealing ring, and can guarantee all around of second sealing ring all closely laminate with blind plate 6, has strengthened sealed reliability. It should be noted that, in practical applications, the distance between the pressure regulator 4 and the blind plate 6 should be matched with the distance between the lower holder 22 and the upper holder 23, so as to ensure that the first tapered portion 42 and the second tapered portion 62 can be tightly fitted with the first tapered surface 225 and the second tapered surface 235 respectively when the pressure regulator is installed. To further ensure safety, the present invention also generally provides a locking ring structure between the blind plate 6 and the upper bracket 23, which is well known in the art and will not be described herein.
In the invention, as a specific embodiment, the stop valve 7 is arranged on the upper side of the blind plate 6, the valve rod 71 of the stop valve 7 penetrates through the blind plate 6 from top to bottom, and the lower end of the valve rod 71 is provided with the plugging disc 72 corresponding to the upper port of the pressure regulator 4. When the outlet pressure exceeds the set pressure value of the shut-off valve 7, the shut-off valve 7 is actuated and the upper port of the pressure regulator 4 is sealed by the plugging disc 72, so that the technical purpose of automatic cut-off can be realized, the safety of downstream equipment is effectively protected, and the safety is enhanced. In order to improve the stability of the support, the embodiment is fixedly provided with a skirt 12 at the lower side of the outer barrel 1, and a support bottom plate 13 is arranged at the bottom of the skirt 12; in order to facilitate the sewage disposal, the present embodiment provides a sewage disposal pipe 14 penetrating the skirt 12 at the bottom of the outer tub 1, and connects the sewage disposal pipe 14 with the control valve and the sewage disposal pump.
It should be noted that, in practical application, the voltage regulator 4 may adopt a single working voltage regulator or a monitoring voltage regulator and a working voltage regulator connected in series according to practical requirements. For the convenience of detection and control, the invention generally arranges the elements such as a pressure gauge, a pressure transmitter, a safety relief valve and the like on the upper side of the blind plate 6, and in order to protect the elements, the invention generally arranges a protective box 31 on the upper side of the cover plate 3.
The above examples are only for describing the preferred embodiments of the present invention, and do not limit the scope of the claimed invention, and various modifications made by those skilled in the art according to the technical solutions of the present invention should fall within the scope of the invention defined by the claims without departing from the design concept of the present invention.
Claims (5)
1. A direct-buried jacket type gas pressure regulating device is characterized by comprising an outer barrel (1) and an inner barrel (2), wherein the top of the outer barrel (1) is sealed and fixed with the inner barrel (2) through a cover plate (3), the right side of the outer barrel (1) is provided with a gas outlet pipe joint (11) communicated with the inner cavity of the outer barrel, the left side of the inner barrel (2) is provided with a gas inlet pipe joint (21) communicated with the inner cavity of the inner barrel and penetrating through the outer barrel (1), the bottom of the inner barrel (2) is provided with a lower bracket (22), and the top of the inner barrel (2) is provided with an upper bracket (23); the inner barrel is characterized by further comprising a pressure regulating assembly arranged in the inner barrel (2), the pressure regulating assembly comprises a vertical pressure regulator (4) and a blind plate (6) fixed to the upper side of the pressure regulator (4) at intervals through a plurality of pull rods (5), the lower end of the pressure regulator (4) is clamped in a lower support seat (22) and enables the lower port of the pressure regulator to be communicated with the inner cavity of the outer barrel (1), a lower sealing structure is arranged between the lower support seat (22) and the pressure regulator (4), the blind plate (6) is clamped in an upper support seat (23), and an upper sealing structure is arranged between the upper support seat (23) and the blind plate (6); the bottom of the inner barrel (2) is provided with a communicating pipe (24) communicating the inner cavities of the inner barrel (2) and the outer barrel (1), the lower bracket (22) is annular and is fixed at the top of the communicating pipe (24), an inner hole of the lower bracket (22) comprises a first large hole (221) and a first small hole (222) which are distributed up and down, a first annular table (223) is formed at the joint of the first large hole (221) and the first small hole (222), a first annular groove (224) is formed in the first annular table (223) along the circumferential direction, and a first sealing ring with a rectangular single-side cross section is installed in the first annular groove (224); the lower end of the pressure regulator (4) is positioned in a first large hole (221) of the lower support seat (22), a first sealing groove (41) is formed in the peripheral wall of the lower end of the pressure regulator (4), a first sealing ring with a circular single-side cross section is installed in the first sealing groove (41), and the lower sealing structure is a first annular groove (224), a first sealing ring, a first sealing groove (41) and a first sealing ring; the peripheral wall of the first large hole (221) is in transitional connection with the first annular table (223) through a first conical surface (225), and the lower end of the pressure regulator (4) is provided with a first conical part (42) matched with the first conical surface (225); first pyramis (42) and the laminating of first conical surface (225) of voltage regulator (4), leave the clearance between the bottom of voltage regulator (4) and first ring platform (223), the opening of first annular (224) is the loudspeaker form.
2. The direct-buried jacketed gas pressure regulating device according to claim 1, wherein the upper bracket (23) is annular, the inner hole of the upper bracket (23) comprises a second large hole (231) and a second small hole (232) which are distributed up and down, a second annular table (233) is formed at the joint of the second large hole (231) and the second small hole (232), a second annular groove (234) is formed in the second annular table (233) along the circumferential direction, and a second sealing ring with a rectangular single-side cross section is installed in the second annular groove (234); the blind plate (6) is positioned in a second large hole (231) of the upper bracket (23), a second sealing groove (61) is formed in the peripheral wall of the blind plate (6), a second sealing ring with a round single-side section is installed in the second sealing groove (61), and the upper sealing structure refers to a second annular groove (234), a second sealing ring, the second sealing groove (61) and the second sealing ring.
3. The direct-buried jacketed type fuel gas pressure regulating device according to claim 2, wherein the peripheral wall of the second large hole (231) is in transitional connection with the second annular platform (233) through a second tapered surface (235), and the blind plate (6) is provided with a second tapered part (62) matched with the second tapered surface (235).
4. The direct-buried jacketed gas pressure regulating device according to claim 3, wherein the second tapered portion (62) of the blind plate (6) is attached to the second tapered surface (235), a gap is left between the bottom of the blind plate (6) and the second annular platform (233), and the opening of the second annular groove (234) is horn-shaped.
5. The direct-buried jacketed gas pressure regulating device according to claim 1, wherein a skirt (12) is provided at the lower side of the outer barrel (1), and a supporting bottom plate (13) is provided at the bottom of the skirt (12); a sewage discharge pipe (14) penetrating through the skirt (12) is arranged at the bottom of the outer barrel (1); a protective box (31) is arranged on the upper side of the cover plate (3); the voltage regulator (4) comprises a monitoring voltage regulator and a working voltage regulator which are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010277240.1A CN111692533B (en) | 2020-04-10 | 2020-04-10 | Direct-buried jacket type gas pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010277240.1A CN111692533B (en) | 2020-04-10 | 2020-04-10 | Direct-buried jacket type gas pressure regulating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111692533A CN111692533A (en) | 2020-09-22 |
| CN111692533B true CN111692533B (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010277240.1A Active CN111692533B (en) | 2020-04-10 | 2020-04-10 | Direct-buried jacket type gas pressure regulating device |
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| CN (1) | CN111692533B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2743404A1 (en) * | 1996-01-10 | 1997-07-11 | Mecelec Ind | Buried housing for a connection to gas distribution supply feeding building. |
| CN2599353Y (en) * | 2003-01-24 | 2004-01-14 | 北京阀门四厂 | Double-stage pressure regulator |
| CN204647860U (en) * | 2015-04-09 | 2015-09-16 | 黄金萍 | Underground pressure-regulating box |
| CN205806942U (en) * | 2016-05-18 | 2016-12-14 | 王翔宇 | Gas underground pressure regulator |
| CN110260158A (en) * | 2019-07-23 | 2019-09-20 | 天津新科成套仪表有限公司 | A kind of spoke flow valve core underground pressure regulator |
-
2020
- 2020-04-10 CN CN202010277240.1A patent/CN111692533B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2743404A1 (en) * | 1996-01-10 | 1997-07-11 | Mecelec Ind | Buried housing for a connection to gas distribution supply feeding building. |
| CN2599353Y (en) * | 2003-01-24 | 2004-01-14 | 北京阀门四厂 | Double-stage pressure regulator |
| CN204647860U (en) * | 2015-04-09 | 2015-09-16 | 黄金萍 | Underground pressure-regulating box |
| CN205806942U (en) * | 2016-05-18 | 2016-12-14 | 王翔宇 | Gas underground pressure regulator |
| CN110260158A (en) * | 2019-07-23 | 2019-09-20 | 天津新科成套仪表有限公司 | A kind of spoke flow valve core underground pressure regulator |
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| Publication number | Publication date |
|---|---|
| CN111692533A (en) | 2020-09-22 |
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Denomination of invention: A Directly Buried Jacketed Gas Pressure Regulating Device Granted publication date: 20210824 Pledgee: China Zheshang Bank Co.,Ltd. Changzhou Branch Pledgor: Jiangsu Shengwei Gas Technology Co.,Ltd. Registration number: Y2024980002408 |