CN223021323U - Highly sealed diaphragm gas meter - Google Patents
Highly sealed diaphragm gas meter Download PDFInfo
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- CN223021323U CN223021323U CN202422681398.1U CN202422681398U CN223021323U CN 223021323 U CN223021323 U CN 223021323U CN 202422681398 U CN202422681398 U CN 202422681398U CN 223021323 U CN223021323 U CN 223021323U
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- air inlet
- fixing seat
- pipe fixing
- air outlet
- joint
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Abstract
The utility model relates to a high-tightness diaphragm gas meter which comprises a gas meter body, an air inlet pipe fixing seat, an air outlet pipe fixing seat, an air inlet joint and an air outlet joint, and is technically characterized in that a lower protruding conical opening is arranged at the lower end of the air inlet joint, the lower protruding conical opening is inserted into the air inlet pipe fixing seat and forms a lower annular channel communicated with an air inlet side sealing groove with the air inlet pipe fixing seat, an air inlet side sealing gasket is arranged in the air inlet side sealing groove, and an air inlet side reinforcing sealing part extending into the lower annular channel is arranged at the inner edge of the air inlet side sealing gasket; the upper end of the air outlet pipe fixing seat is provided with an upper protruding conical opening, the upper protruding conical opening is inserted into the air outlet joint and forms an upper annular channel communicated with the air outlet side sealing groove, an air outlet side sealing gasket is arranged in the air outlet side sealing groove, and an air outlet side reinforcing sealing part extending and extruding into the upper annular channel is arranged on the inner edge of the air outlet side sealing gasket. The meter has good sealing performance and strong safety performance, and avoids misoperation.
Description
Technical Field
The utility model relates to the technical field of gas meters, in particular to a high-tightness diaphragm gas meter.
Background
The gas meter is used as an indispensable metering device in daily life, and the safety and accuracy of the gas meter are directly related to the life and property safety and economic benefits of users. Among the numerous performance parameters, the tightness is certainly a key indicator for ensuring stable operation of the gas meter, and the tightness is directly dependent on the tightness of the connection part of the meter body. Therefore, various gas meters have strict requirements on the sealing structure of the joint of the gas meter and the gas pipeline.
The utility model discloses an ultrasonic gas meter of high leakproofness, it includes the device body, the device body includes the gas inferior valve, gas epitheca and sealing connector, the gas epitheca is fixed at gas inferior valve top, a set of sealing connector is the symmetry mode and installs at gas epitheca top, gas inferior valve bottom is equipped with down the connecting pipe, sealing connector includes down connector, go up connector and gland nut, go up the connector and peg graft in the connector down, gland nut locks in connector and last connector junction down, the lower connector includes seal tube, solid fixed ring and last spacing ring, gu fixed ring installs in the seal tube top outside, it installs in the seal tube bottom outside to go up the spacing ring, the seal tube bottom is equipped with down the inner tube and top is equipped with first screwed tube, first seal chamber has been seted up in the seal tube, first seal chamber bottom is equipped with the second seal chamber, second seal chamber bottom is equipped with the third seal chamber. The gas meter improves the sealing comprehensiveness of the joint of the gas meter and the gas pipeline to a certain extent. The lower connector and the upper connector are connected together only by the sealing nut, and the sealing nut is very easy to be screwed by the outside, so that the safety of the gas meter is low.
Disclosure of utility model
The utility model aims to provide the diaphragm gas meter which is reasonable in structure, reliable in use and high in sealing performance and solves the problems, on one hand, the sealing performance of the gas meter is guaranteed, on the other hand, an alarm prompt is given when a non-professional operates, the safety performance is high, and the phenomenon of misoperation is avoided.
The technical scheme of the utility model is as follows:
The membrane gas meter with high tightness comprises a gas meter body, an air inlet pipe fixing seat, an air outlet pipe fixing seat, an air inlet joint connected with the air inlet pipe fixing seat and an air outlet joint connected with the air outlet pipe fixing seat, and is technically characterized in that the upper ends of the air inlet pipe fixing seat and the air outlet pipe fixing seat are respectively provided with an expanded diameter support disc surface, the upper surface of the expanded diameter support disc surface is provided with a lower annular shallow groove, the lower ends of the air inlet joint and the air outlet joint are respectively provided with an expanded diameter butt joint disc surface, and the lower surface of the expanded diameter butt joint disc surface is provided with an upper annular shallow groove; the upper annular shallow groove and the lower annular shallow groove on the air inlet side are buckled to form an air inlet side sealing groove, the lower end of the air inlet joint is additionally provided with a lower protruding conical opening communicated with the air inlet side sealing groove, the lower protruding conical opening is inserted into the air inlet pipe fixing seat and forms a lower annular channel communicated with the air inlet side sealing groove with the inner wall of the air inlet pipe fixing seat, an air inlet side sealing gasket is arranged in the air inlet side sealing groove, the inner edge of the air inlet side sealing gasket is provided with an air inlet side reinforcing sealing part extending into the lower annular channel, the bottom surface of the air inlet side reinforcing sealing part is provided with a lower annular groove, the upper annular shallow groove on the air outlet side is buckled with the lower annular shallow groove to form an air outlet side sealing groove, the upper protruding conical opening communicated with the air outlet pipe fixing seat is additionally arranged at the upper end of the air outlet pipe fixing seat, the upper protruding conical opening is inserted into the air outlet joint and forms an upper annular channel communicated with the air outlet side sealing groove with the inner wall of the air outlet joint, the air outlet side sealing gasket is arranged in the air outlet side sealing groove, the inner edge of the air outlet side sealing gasket is provided with an air outlet side reinforcing sealing part extending into the upper annular channel, the top surface of the air outlet side reinforced sealing part is provided with an upper annular groove, a pressure locking component is arranged between the air inlet pipe fixing seat and the air inlet joint, and a pressure locking component is arranged between the air outlet pipe fixing seat and the air outlet joint.
The pressure locking assembly comprises a plurality of fixing columns fixed on the periphery of the air inlet pipe fixing seat or the air outlet pipe fixing seat, a plurality of locking bolts arranged on the periphery of the expanding butt joint disc surface of the air inlet joint or the air outlet joint, buffer springs sleeved on the locking bolts, and pressure sensors arranged on the top surfaces of the fixing columns, wherein the fixing columns and the locking bolts are in one-to-one correspondence, the screw rods of the locking bolts penetrate through the pressure sensors and are in threaded connection with the central screw holes of the fixing columns, and the buffer springs are clamped between the expanding butt joint disc surface and the pressure sensors.
According to the high-tightness diaphragm gas meter, the lower surface of the expanding butt joint disc surface is additionally provided with the concentric annular sealing groove corresponding to the edge of the expanding support disc surface, and the concentric annular sealing groove is internally provided with the sealing rubber ring.
In the diaphragm gas meter with high sealing performance, the lower protruding conical opening is wide in upper part and narrow in lower part, the inner peripheral surface of the air inlet side reinforced sealing part is a conical surface attached to the outer wall of the lower protruding conical opening, and the outer peripheral surface of the air inlet side reinforced sealing part is a cylindrical surface attached to the inner wall of the air inlet pipe fixing seat.
In the membrane gas meter with high sealing performance, the upper protruding conical opening is narrow in upper part and wide in lower part, the inner peripheral surface of the gas outlet side reinforced sealing part is a conical surface attached to the outer wall of the upper protruding conical opening, and the outer peripheral surface is a cylindrical surface attached to the inner wall of the gas outlet joint.
According to the high-tightness diaphragm gas meter, the plurality of reinforcing rib plates are arranged between the expanding support disc surface and the outer wall of the air inlet pipe fixing seat or the outer wall of the air outlet pipe fixing seat.
The beneficial effects of the utility model are as follows:
1. The gas flows to the gas meter through the lower protruding conical opening, because the inner edge of the gas inlet side sealing gasket is provided with the gas inlet side reinforcing sealing part which extends and extrudes into the lower annular channel, and the bottom surface of the gas inlet side reinforcing sealing part is provided with the lower annular groove, when the gas is intended to overflow outwards from the gas inlet side reinforcing sealing part, the gas enters and pushes against the side wall of the lower annular groove, but the side wall of the lower annular groove is in closer contact with the side wall of the lower annular channel, the sealing performance is better, and similarly, the gas flows out of the gas meter through the upper protruding conical opening, because the inner edge of the gas outlet side sealing gasket is provided with the gas outlet side reinforcing sealing part which extends and extrudes into the upper annular channel, and the top surface of the gas outlet side reinforcing sealing part is provided with the upper annular groove, when the gas is intended to overflow outwards from the gas outlet side reinforcing sealing part, the gas enters and pushes against the side wall of the upper annular channel, but the side wall of the upper annular groove is in closer contact with the side wall of the upper annular channel, the sealing performance is better, and the sealing performance of the gas meter is obviously improved.
2. Because the pressure locking component is arranged between the air inlet pipe fixing seat and the air inlet joint, the pressure locking component is arranged between the air outlet pipe fixing seat and the air outlet joint. When screwing the pressure locking assembly and intending to release the connection relationship, the pressure sensor of the pressure locking assembly is subjected to pressure reduction, so that the pressure sensor can feed back a pressure signal, give an alarm prompt when a non-professional operates, and also remind a far-end worker, so that the safety performance is high, and the phenomenon of misoperation is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of an air intake fitting of the present utility model;
Fig. 3 is a schematic side view of a portion of an outlet fitting of the present utility model.
The gas meter comprises a gas meter body, a gas inlet connector, a gas inlet pipe fixing seat, a gas outlet connector, a gas outlet pipe fixing seat, a gas outlet expanding butt joint disc surface, a locking bolt, a sealing rubber ring, a gas inlet side sealing gasket, a lower protruding conical opening, a buffer spring, a pressure sensor, a fixing column, a reinforcing rib plate and a reinforcing rib plate, wherein the gas inlet side reinforcing sealing part is arranged at the bottom of the gas meter body, the gas inlet pipe fixing seat is arranged at the bottom of the gas inlet pipe body, the gas inlet pipe fixing seat is arranged at the bottom of the gas inlet joint, the gas outlet side sealing gasket is arranged at the bottom of the gas inlet pipe fixing seat, the gas outlet side sealing gasket is arranged at the gas outlet side of the gas inlet pipe fixing seat, the gas outlet pipe fixing seat is arranged at the gas inlet side sealing gasket, and the gas outlet side reinforcing sealing gasket is arranged at the bottom of the gas inlet pipe fixing seat.
Detailed Description
The utility model will be described in detail with reference to the drawings.
As shown in fig. 1 to 3, the high-tightness diaphragm gas meter comprises a gas meter body 1, an air inlet pipe fixing seat 3 integrated with the gas meter body 1, an air outlet pipe fixing seat 5, an air inlet joint 2 connected with the air inlet pipe fixing seat 3 and an air outlet joint 4 connected with the air outlet pipe fixing seat 5.
The upper ends of the air inlet pipe fixing seat 3 and the air outlet pipe fixing seat 5 are respectively provided with an expanded diameter supporting disc surface 16, the upper surface of the expanded diameter supporting disc surface 16 is provided with a lower annular shallow groove, the lower ends of the air inlet connector 2 and the air outlet connector 4 are respectively provided with an expanded diameter butting disc surface 6, and the lower surface of the expanded diameter butting disc surface 6 is provided with an upper annular shallow groove.
The upper annular shallow groove and the lower annular shallow groove on the air inlet side are buckled to form an air inlet side sealing groove, a lower protruding conical opening 10 communicated with the air inlet connector 2 is additionally arranged at the lower end of the air inlet connector 2, the lower protruding conical opening 10 is inserted into the air inlet pipe fixing seat 3 and forms a lower annular channel communicated with the air inlet side sealing groove with the inner wall of the air inlet pipe fixing seat 3, an air inlet side sealing gasket 9 is arranged in the air inlet side sealing groove, an air inlet side reinforcing sealing part 15 extending into the lower annular channel is arranged on the inner edge of the air inlet side sealing gasket 9, and a lower annular groove is arranged on the bottom surface of the air inlet side reinforcing sealing part 15. The lower protruding conical opening 10 is wider at the top and narrower at the bottom, the inner circumferential surface of the air inlet side reinforcing sealing part 15 is a conical surface attached to the outer wall of the lower protruding conical opening 10, and the outer circumferential surface is a cylindrical surface attached to the inner wall of the air inlet pipe fixing seat 3.
The upper annular shallow groove and the lower annular shallow groove on the air outlet side are buckled to form an air outlet side sealing groove, an upper protruding conical opening 19 communicated with the air outlet side sealing groove is additionally arranged at the upper end of the air outlet pipe fixing seat 5, the upper protruding conical opening 19 is inserted into the air outlet joint 4 and forms an upper annular channel communicated with the air outlet side sealing groove with the inner wall of the air outlet joint 4, an air outlet side sealing gasket 17 is arranged in the air outlet side sealing groove, an air outlet side reinforcing sealing part 18 extending into the upper annular channel is arranged on the inner edge of the air outlet side sealing gasket 17, and an upper annular groove is arranged on the top surface of the air outlet side reinforcing sealing part 18. The upper protruding conical opening 19 is narrow at the upper part and wide at the lower part, the inner circumferential surface of the air outlet side reinforcing sealing part 18 is a conical surface which is attached to the outer wall of the upper protruding conical opening 19, and the outer circumferential surface is a cylindrical surface which is attached to the inner wall of the air outlet connector 4.
In this embodiment, a concentric annular sealing groove is further provided on the lower surface of the diameter-expanding butt-joint disc surface 6 corresponding to the edge of the diameter-expanding support disc surface 16, and a sealing rubber ring 8 is provided in the concentric annular sealing groove, so as to further ensure the sealing performance. A plurality of reinforcing rib plates 14 are arranged between the expanding support disc surface 16 and the outer wall of the air inlet pipe fixing seat 3 or the air outlet pipe fixing seat 5.
The pressure locking assembly is arranged between the air inlet pipe fixing seat 3 and the air inlet joint 2, and the pressure locking assembly is arranged between the air outlet pipe fixing seat 5 and the air outlet joint 4. In this embodiment, the pressure locking assembly includes a plurality of fixing posts 13 fixed on the periphery of the air inlet pipe fixing seat 3 or the air outlet pipe fixing seat 5, a plurality of locking bolts 7 arranged on the periphery of the expanded butt joint disc surface 6 of the air inlet joint 2 or the air outlet joint 4, a buffer spring 11 sleeved on the locking bolts 7, and a pressure sensor 12 arranged on the top surface of the fixing posts 13. The fixed columns 13 are in one-to-one correspondence with the locking bolts 7, the threaded rods of the locking bolts 7 penetrate through the pressure sensors 12 and are in threaded connection with the center screw holes of the fixed columns 13, and the buffer springs 11 are clamped between the expanding butt joint disc surfaces 6 and the pressure sensors 12.
Working principle:
When the locking bolt is used, each locking bolt 7 is in threaded connection with the central screw hole of the fixed column 13, after the locking bolt is screwed in place, namely pressed in place, the pressure sensor 12 is applied with pressure through the buffer spring 11 to reach a set numerical range, and meanwhile the buffer spring 11 also plays a role in preventing the locking bolt 7. When the pressure signal fed back by the pressure sensor 12 is lower than the numerical range, the locking bolt 7 is loosened, so that a worker can be reminded to check, and the safety is better.
In the use process of the gas meter, when gas is intended to overflow outwards through the gas inlet side reinforced sealing part 15 and the gas outlet side reinforced sealing part 18, the gas can enter and push down the side wall of the annular groove and the side wall of the upper annular groove, but the side wall of the lower annular groove is in closer contact with the side wall of the lower annular channel, and the side wall of the upper annular groove is in closer contact with the side wall of the upper annular channel, so that the sealing performance is better.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model will be apparent to those skilled in the art from the following detailed description.
Claims (6)
1. A membrane gas meter with high sealing performance comprises a gas meter body, an air inlet pipe fixing seat, an air outlet pipe fixing seat, an air inlet joint connected with the air inlet pipe fixing seat and an air outlet joint connected with the air outlet pipe fixing seat, and is characterized in that the upper ends of the air inlet pipe fixing seat and the air outlet pipe fixing seat are respectively provided with an expanded diameter supporting disc surface, the upper surfaces of the expanded diameter supporting disc surface are respectively provided with a lower annular shallow groove, the lower ends of the air inlet joint and the air outlet joint are respectively provided with an expanded diameter butt joint disc surface, the lower surfaces of the expanded diameter butt joint disc surface are provided with an upper annular shallow groove, the upper annular shallow groove on the air inlet side is buckled with the lower annular shallow groove to form an air inlet side sealing groove, a lower protruding conical opening communicated with the air inlet pipe fixing seat is additionally arranged at the lower end of the air inlet joint, a lower annular clamp channel communicated with the air inlet side sealing groove is formed between the lower protruding conical opening and the inner wall of the air inlet pipe fixing seat, an air inlet side sealing gasket is arranged in the air inlet side sealing groove, an inner edge of the air inlet side sealing gasket is arranged in the air inlet side sealing groove, an air inlet side reinforcing sealing part extending into the lower annular clamp channel is arranged in the sealing groove, the air inlet side sealing part is arranged in the sealing groove, the sealing part is communicated with the upper sealing part is arranged between the upper sealing part and the sealing part of the sealing part, the top surface of the air outlet side reinforced sealing part is provided with an upper annular groove, a pressure locking component is arranged between the air inlet pipe fixing seat and the air inlet joint, and a pressure locking component is arranged between the air outlet pipe fixing seat and the air outlet joint.
2. The membrane gas meter with high tightness according to claim 1, wherein the pressure locking assembly comprises a plurality of fixing columns fixed on the periphery of the air inlet pipe fixing seat or the air outlet pipe fixing seat, a plurality of locking bolts arranged on the periphery of the expanding butt joint disc surface of the air inlet joint or the air outlet joint, buffer springs sleeved on the locking bolts, and pressure sensors arranged on the top surfaces of the fixing columns, the fixing columns and the locking bolts are in one-to-one correspondence, a screw rod of each locking bolt penetrates through the pressure sensor to be in threaded connection with a central screw hole of the fixing column, and the buffer springs are clamped between the expanding butt joint disc surface and the pressure sensor.
3. The high-tightness diaphragm gas meter of claim 1, wherein the lower surface of the expanded butt joint disk surface is provided with a concentric annular sealing groove corresponding to the edge of the expanded support disk surface, and a sealing rubber ring is arranged in the concentric annular sealing groove.
4. The high-tightness diaphragm gas meter of claim 1, wherein the lower protruding conical opening is wide at the top and narrow at the bottom, the inner peripheral surface of the air inlet side reinforced sealing part is a conical surface attached to the outer wall of the lower protruding conical opening, and the outer peripheral surface is a cylindrical surface attached to the inner wall of the air inlet pipe fixing seat.
5. The high-tightness diaphragm gas meter of claim 1, wherein the upper protruding conical opening is narrow at the top and wide at the bottom, the inner circumferential surface of the gas outlet side reinforced sealing part is a conical surface attached to the outer wall of the upper protruding conical opening, and the outer circumferential surface is a cylindrical surface attached to the inner wall of the gas outlet joint.
6. The high-tightness diaphragm gas meter of claim 1, wherein a plurality of reinforcing rib plates are arranged between the expanded diameter support disc surface and the outer wall of the air inlet pipe fixing seat or the air outlet pipe fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422681398.1U CN223021323U (en) | 2024-11-05 | 2024-11-05 | Highly sealed diaphragm gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422681398.1U CN223021323U (en) | 2024-11-05 | 2024-11-05 | Highly sealed diaphragm gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223021323U true CN223021323U (en) | 2025-06-24 |
Family
ID=96086017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422681398.1U Active CN223021323U (en) | 2024-11-05 | 2024-11-05 | Highly sealed diaphragm gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223021323U (en) |
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2024
- 2024-11-05 CN CN202422681398.1U patent/CN223021323U/en active Active
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