CN210375251U - Gas pipeline structure for ultrasonic gas meter - Google Patents
Gas pipeline structure for ultrasonic gas meter Download PDFInfo
- Publication number
- CN210375251U CN210375251U CN201921580031.3U CN201921580031U CN210375251U CN 210375251 U CN210375251 U CN 210375251U CN 201921580031 U CN201921580031 U CN 201921580031U CN 210375251 U CN210375251 U CN 210375251U
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- China
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- air bag
- elastic air
- installation shell
- connecting pipe
- fixture block
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Abstract
The utility model discloses a gas pipeline structure for ultrasonic wave gas table, including ultrasonic wave gas table main part, connecting pipe, external pipeline and installation shell, the top of ultrasonic wave gas table main part is provided with the connecting pipe, and the outside of connecting pipe is connected with the installation shell to the top of installation shell is fixed with external pipeline, the below of installation shell is provided with first elasticity gasbag, and just first elasticity gasbag is located the upper surface of ultrasonic wave gas table main part, and the inboard of first elasticity gasbag is connected with the breather pipe. This a gas pipeline structure for ultrasonic wave gas table is provided with fixture block, push rod and spacing groove, can directly insert its surface to the connecting pipe through the installation shell when installing the pipeline, simultaneously the fixture block will with spacing groove between the block fix the position of installation shell, later stage need only press the push rod when dismantling it and remove the block of fixture block and spacing groove and can take off it.
Description
Technical Field
The utility model relates to an ultrasonic wave gas table technical field specifically is a gas pipeline structure for ultrasonic wave gas table.
Background
The ultrasonic gas meter adopts the time difference method principle to measure the gas flow rate, the difference of speed reflects the metering device of the flow rate of fluid when measuring the downstream and the upstream of ultrasonic signal in the fluid and broadcasting, possess the characteristics such as range width, precision height, no mechanical transmission part, no mechanical noise in operation, do not receive mechanical wear to influence, a novel gas meter, when using it with admission line and exhaust duct rather than be connected can, but present gas pipeline connection structure still has some weak points when using:
1. most of the existing gas pipeline structures adopt a threaded connection mode to connect a pipeline and a meter body, the rotation of a bolt is inconvenient after the meter body is fixed, and the pipeline is difficult to rotate after the pipeline is fixed, so that the installation speed of the pipeline and the use convenience of the device are reduced;
2. after the existing gas pipeline structure is connected with a meter body, the whole sealing performance of the device is weak, gas leakage is easy to occur at the joint of the device, and certain potential safety hazards exist in the using process.
In order to solve the problems, innovative design is urgently needed on the basis of the original gas pipeline structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas pipeline structure for ultrasonic wave gas table to solve the gas pipeline structure that has now on the existing market that above-mentioned background art provided and adopt threaded connection's mode to connect between pipeline and the table body mostly, it is comparatively inconvenient to the rotation of bolt after the table body is fixed, and the problem of the leakage of gas appears easily in the junction of device and the table body.
In order to achieve the above object, the utility model provides a following technical scheme: a gas pipeline structure for an ultrasonic gas meter comprises an ultrasonic gas meter main body, a connecting pipe, an external pipeline and an installation shell, wherein the connecting pipe is arranged above the ultrasonic gas meter main body, the installation shell is connected to the outer side of the connecting pipe, the external pipeline is fixed above the installation shell, a first elastic air bag is arranged below the installation shell and is positioned on the upper surface of the ultrasonic gas meter main body, a vent pipe is connected to the inner side of the first elastic air bag, a second elastic air bag is connected to the upper side of the vent pipe and is bonded to the outer wall of the connecting pipe, a fixture block is arranged above the second elastic air bag, a first reset spring is arranged on the inner side of the fixture block and is positioned inside the connecting pipe, a limiting groove is arranged on the outer side of the fixture block and is arranged on the inner wall of the installation shell, and a push rod is arranged in the limiting groove, and a second return spring is arranged on the surface of the push rod.
Preferably, a slip film is arranged on the inner wall of the mounting shell, the slip film is made of polyfluoro-tetrachloroethylene, and the longitudinal length of the slip film is greater than that of the second elastic air bag.
Preferably, the inner space of the first elastic airbag is communicated with the inner space of the second elastic airbag through a vent pipe, the elastic contraction force of the first elastic airbag is smaller than that of the second elastic airbag, and the overlooking cross sections of the first elastic airbag and the second elastic airbag are both designed in a circular structure.
Preferably, be unsmooth cooperation structure between fixture block and the spacing groove, and the overlooking cross-section of spacing groove is circular structural design to the outer end upside surface of fixture block is circular-arc structural design, and the fixture block passes through to constitute extending structure between first reset spring and the connecting pipe simultaneously.
Preferably, the inner end of the push rod is connected with a fixed block, the overlooking section of the fixed block is designed into an arc-shaped structure, and the push rod is arranged in bilateral symmetry with respect to the center line of the mounting shell.
Compared with the prior art, the beneficial effects of the utility model are that: the gas pipeline structure for the ultrasonic gas meter;
(1) the pipeline connecting device is provided with the clamping block, the push rod and the limiting groove, the pipeline can be directly inserted to the surface of the connecting pipe through the mounting shell when being mounted, meanwhile, the clamping block is clamped with the limiting groove to fix the position of the mounting shell, and the pipeline connecting device can be taken down only by pressing the push rod to remove the clamping of the clamping block and the limiting groove when needing to be dismounted in the later period, so that the mounting efficiency of the pipeline and the use convenience of the pipeline connecting device are improved;
(2) be provided with first elastic airbag and second elastic airbag, make the gaseous accessible breather pipe in the first elastic airbag enter into second elastic airbag through the extrusion of installation shell to first elastic airbag to make second elastic airbag bump and the inner wall of installation shell carry out inseparable laminating, make the junction of device keep good seal, prevent that gaseous emergence from leaking, increase the practicality of device.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic top view of a second elastic airbag according to the present invention;
fig. 4 is the utility model discloses the fixture block structural diagram that cuts open downwards.
In the figure: 1. an ultrasonic gas meter main body; 2. a connecting pipe; 3. connecting a pipeline externally; 4. mounting a shell; 401. a slip film; 5. a first elastic air bag; 6. a breather pipe; 7. a second elastic air bag; 8. a clamping block; 9. a first return spring; 10. a push rod; 1001. a fixed block; 11. a second return spring; 12. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a gas pipeline structure for an ultrasonic gas meter comprises an ultrasonic gas meter main body 1, a connecting pipe 2, an external pipeline 3, an installation shell 4, a first elastic air bag 5, a vent pipe 6, a second elastic air bag 7, a clamping block 8, a first reset spring 9, a push rod 10, a second reset spring 11 and a limiting groove 12, wherein the connecting pipe 2 is arranged above the ultrasonic gas meter main body 1, the installation shell 4 is connected to the outer side of the connecting pipe 2, the external pipeline 3 is fixed above the installation shell 4, the first elastic air bag 5 is arranged below the installation shell 4, the first elastic air bag 5 is positioned on the upper surface of the ultrasonic gas meter main body 1, the vent pipe 6 is connected to the inner side of the first elastic air bag 5, the second elastic air bag 7 is connected above the vent pipe 6, the second elastic air bag 7 is bonded to the outer wall of the connecting pipe 2, and the clamping block 8 is arranged above the second elastic air bag 7, a first return spring 9 is arranged on the inner side of the fixture block 8, the first return spring 9 is positioned inside the connecting pipe 2, a limiting groove 12 is arranged on the outer side of the fixture block 8, the limiting groove 12 is formed in the inner wall of the mounting shell 4, a push rod 10 is arranged inside the limiting groove 12, and a second return spring 11 is arranged on the surface of the push rod 10;
the inner wall of the mounting shell 4 is provided with a slip film 401, the slip film 401 is made of polyfluoro-tetrachloroethylene, the longitudinal length of the slip film 401 is greater than that of the second elastic air bag 7, and the friction force between the mounting shell 4 and the second elastic air bag 7 can be reduced through the design of the slip film 401, so that the mounting shell 4 can be mounted and dismounted conveniently;
the inner space of the first elastic air bag 5 is communicated with the inner space of the second elastic air bag 7 through the vent pipe 6, the elastic contraction force of the first elastic air bag 5 is smaller than that of the second elastic air bag 7, the overlooking cross sections of the first elastic air bag 5 and the second elastic air bag 7 are both in a circular structural design, the structural design can realize the sealing between the connecting pipe 2 and the mounting shell 4 through the increase of the volume of the second elastic air bag 7, and the integral sealing performance of the device is improved;
the fixture block 8 and the limiting groove 12 are in a concave-convex matching structure, the overlooking cross section of the limiting groove 12 is in a circular structural design, the upper side surface of the outer end of the fixture block 8 is in an arc structural design, meanwhile, the fixture block 8 and the connecting pipe 2 form a telescopic structure through the first reset spring 9, and the structural design can fix the position of the mounting shell 4 through clamping between the fixture block 8 and the limiting groove 12, so that the pipeline can be mounted quickly;
the inner end of the push rod 10 is connected with a fixing block 1001, the overlooking section of the fixing block 1001 is in an arc-shaped structural design, the push rod 10 is arranged in bilateral symmetry with respect to the center line of the installation shell 4, the fixing block 1001 can push the fixture block 8 to move by pressing the push rod 10, the connection between the fixture block 8 and the limiting groove 12 is removed, and the installation shell 4 is convenient to disassemble.
The working principle is as follows: when the gas pipeline structure for the ultrasonic gas meter is used, firstly, according to fig. 1 and fig. 2, when the device is installed, the installation shell 4 can be directly inserted to the outer side of the connecting pipe 2, the fixture block 8 is extruded to shrink the fixture block 8 in the moving process of the installation shell 4, when the positions of the fixture block 8 and the limiting groove 12 are flush, the fixture block 8 extends out under the action of the first reset spring 9 and is clamped with the limiting groove 12, so that the fixing of the position of the installation shell 4 is completed, meanwhile, the installation shell 4 extrudes the first elastic airbag 5 on the upper surface of the ultrasonic gas meter main body 1, so that the volume of the first elastic airbag 5 is reduced, the gas in the installation shell enters the second elastic airbag 7 through the vent pipe 6, as shown in fig. 3, the volume of the second elastic airbag 7 expands and is tightly attached to the inner wall of the installation shell 4, so that the device keeps good tightness, completing the connection between the external pipeline 3 and the connecting pipe 2;
when the installation shell 4 is required to be disassembled, according to the illustration in fig. 2 and 4, the push rod 10 can be pressed simultaneously, the push rod 10 can push the fixture block 8 to move in the limiting groove 12 through the fixing block 1001, the clamping between the fixture block 8 and the limiting groove 12 is removed, then the installation shell 4 can be pulled upwards to remove the connection between the fixture block and the connecting pipe 2, the first elastic air bag 5 slides along the inner wall of the installation shell 4 under the effect of the sliding film 401, the disassembly of the installation shell 4 is completed, the disassembly and assembly speed of the device are improved, and the practicability and the use convenience of the device are improved.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a gas pipeline structure for ultrasonic wave gas table, includes ultrasonic wave gas table main part (1), connecting pipe (2), external pipeline (3) and installation shell (4), its characterized in that: the ultrasonic gas meter is characterized in that a connecting pipe (2) is arranged above the ultrasonic gas meter main body (1), the outer side of the connecting pipe (2) is connected with an installation shell (4), an external pipeline (3) is fixed above the installation shell (4), a first elastic air bag (5) is arranged below the installation shell (4), the first elastic air bag (5) is positioned on the upper surface of the ultrasonic gas meter main body (1), the inner side of the first elastic air bag (5) is connected with a vent pipe (6), a second elastic air bag (7) is connected above the vent pipe (6), the second elastic air bag (7) is bonded on the outer wall of the connecting pipe (2), a clamping block (8) is arranged above the second elastic air bag (7), a first reset spring (9) is arranged on the inner side of the clamping block (8), and the first reset spring (9) is positioned inside the connecting pipe (2), and the outside of fixture block (8) is provided with spacing groove (12), spacing groove (12) are seted up on the inner wall of installation shell (4), and the inside of spacing groove (12) is provided with push rod (10) to the surface mounting of push rod (10) has second reset spring (11).
2. The gas pipeline structure for the ultrasonic gas meter according to claim 1, characterized in that: be provided with synovial membrane (401) on the inner wall of installation shell (4), and synovial membrane (401) are polyfluorinated tetrachloroethylene material and constitute to the longitudinal length of synovial membrane (401) is greater than the longitudinal length of second elasticity gasbag (7).
3. The gas pipeline structure for the ultrasonic gas meter according to claim 1, characterized in that: the inner space of the first elastic air bag (5) is communicated with the inner space of the second elastic air bag (7) through a vent pipe (6), the elastic contraction force of the first elastic air bag (5) is smaller than that of the second elastic air bag (7), and the overlooking cross sections of the first elastic air bag (5) and the second elastic air bag (7) are both in circular structural design.
4. The gas pipeline structure for the ultrasonic gas meter according to claim 1, characterized in that: be unsmooth cooperation structure between fixture block (8) and spacing groove (12), and the overlooking cross-section of spacing groove (12) is circular structural design to the outer end upside surface of fixture block (8) is circular-arc structural design, constitutes extending structure simultaneously between fixture block (8) through first reset spring (9) and connecting pipe (2).
5. The gas pipeline structure for the ultrasonic gas meter according to claim 1, characterized in that: the inner end of the push rod (10) is connected with a fixing block (1001), the overlooking section of the fixing block (1001) is designed into an arc-shaped structure, and the push rod (10) is arranged in bilateral symmetry relative to the center line of the mounting shell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921580031.3U CN210375251U (en) | 2019-09-23 | 2019-09-23 | Gas pipeline structure for ultrasonic gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921580031.3U CN210375251U (en) | 2019-09-23 | 2019-09-23 | Gas pipeline structure for ultrasonic gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210375251U true CN210375251U (en) | 2020-04-21 |
Family
ID=70255247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921580031.3U Expired - Fee Related CN210375251U (en) | 2019-09-23 | 2019-09-23 | Gas pipeline structure for ultrasonic gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210375251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879346A (en) * | 2020-08-13 | 2020-11-03 | 张希全 | Industrial instrument with adjustable reading angle |
-
2019
- 2019-09-23 CN CN201921580031.3U patent/CN210375251U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879346A (en) * | 2020-08-13 | 2020-11-03 | 张希全 | Industrial instrument with adjustable reading angle |
| CN111879346B (en) * | 2020-08-13 | 2022-01-28 | 杭州石林自动化工程有限公司 | Industrial instrument with adjustable reading angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20200923 |