CN209894257U - Gas meter convenient for replacing built-in filtering device of gas meter - Google Patents
Gas meter convenient for replacing built-in filtering device of gas meter Download PDFInfo
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- CN209894257U CN209894257U CN201920961574.3U CN201920961574U CN209894257U CN 209894257 U CN209894257 U CN 209894257U CN 201920961574 U CN201920961574 U CN 201920961574U CN 209894257 U CN209894257 U CN 209894257U
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- mounting
- dismounting
- gas meter
- block
- gas
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Abstract
The utility model belongs to the field of gas meters, and provides a gas meter with a built-in filter device for conveniently replacing the gas meter, which comprises a gas meter shell, wherein the gas meter shell is provided with a gas inlet pipeline and a gas outlet pipeline, the gas inlet pipeline is provided with a detachable filter device, the outer part of the shell of the filter device is provided with a mounting and dismounting device, and the inner wall of the gas inlet pipeline is provided with a limiting device matched with the mounting and dismounting device; still be provided with the baffle on the inlet duct inner wall, one side that the baffle is close to filter equipment is provided with the elastic component, and the elastic component butt is in filter equipment's bottom, and filter equipment accessible air inlet installation and dismantlement. The utility model provides a convenient replacement gas table embeds filter equipment's gas table only needs to press filter equipment to the admission line can fix in the admission line, when needs take out, only needs to press filter equipment's top once more, and filter equipment can pop out under the elasticity of elastic component, can carry out filter equipment's washing and change, and the installation is simple with the dismantlement, has better filter effect to save manpower and materials when ann tears open.
Description
Technical Field
The utility model belongs to the gas table field relates to a gas table, in particular to make things convenient for replacement gas table embeds filter equipment's gas table.
Background
The gas table is influenced in the counting and the service life by solid impurities such as silt, rock particles, iron powder, ferrous sulfide and the like generated in the construction and operation processes of the gas pipeline, so that the filtering device is arranged in the gas table, and the pollution resistance of the gas table is very necessary to be improved. After a filter screen in a built-in filter device of the gas meter is blocked by impurities, the gas filtering effect can be influenced, and the problems of unstable gas pressure and the like can be caused. The existing solution is to disassemble the gas meter and replace the gas meter, so that the operation is complex and the human resources are wasted. Therefore, a filter device built in a gas meter, which is convenient to replace, is needed to solve the above problems.
Disclosure of Invention
The utility model aims at providing a convenient replacement gas table of built-in filter equipment of gas table to the above-mentioned problem that exists among the prior art.
The purpose of the utility model can be realized by the following technical proposal: a gas meter convenient for replacing a built-in filtering device of the gas meter comprises a gas meter shell, wherein a gas inlet pipeline and a gas outlet pipeline are arranged on the gas meter shell, a detachable filtering device is arranged on the gas inlet pipeline, a mounting and dismounting device is arranged outside the shell of the filtering device, and a limiting device matched with the mounting and dismounting device is arranged on the inner wall of the gas inlet pipeline; still be provided with the baffle on the inlet duct inner wall, the baffle is close to one side of filter equipment and is provided with the elastic component, the elastic component butt is in filter equipment's bottom, filter equipment accessible air inlet installation and dismantlement.
The utility model discloses a theory of operation: the filter equipment accessible ann is dismantled the cooperation of putting and stop device and is installed inside the admission line, when needs clearance or change filter equipment, only needs press filter equipment, makes ann's dismantlement put and stop device break away from fixed cooperation, and filter equipment can pop out the admission line under the elasticity of elastic component to clear up or change.
Preferably, a pressing surface is arranged at the top of the shell of the filtering device, an elastic abutting surface is arranged at the bottom of the filtering device, and a spiral channel for filtering gas is arranged in the filtering device.
Preferably, the mounting and dismounting device comprises mounting and dismounting blocks and mounting and dismounting channels, the mounting and dismounting blocks are arranged on the lower portion of the outer wall of the filtering device, the number of the mounting and dismounting blocks is at least two, the mounting and dismounting channels are formed between every two mounting and dismounting blocks, the limiting device is a positioning block, and the positioning block can be mounted or dismounted through the mounting and dismounting channels.
Preferably, the mounting and dismounting block comprises a mounting block and a dismounting block, the mounting block is provided with a mounting slide rail, the height of the mounting slide rail close to one side of the mounting and dismounting channel is greater than the height of the mounting slide rail close to one side of the dismounting block, the dismounting block comprises a lower blocking surface and a dismounting slide rail, the height of the dismounting slide rail close to one side of the mounting block is greater than the height of the dismounting slide rail close to one side of the mounting channel, the mounting slide rail can guide the positioning block to slide to the lower blocking surface and be fixed, and the positioning block can slide out of the mounting and dismounting channel under the.
Preferably, the mounting and dismounting device further comprises a guide block, the guide block is arranged on the upper portion of the outer wall of the filtering device, at least two guide angles are arranged on one side, close to the mounting and dismounting block, of the guide block, the number and the positions of the guide angles are matched with those of the mounting and dismounting block, an inclined plane slide rail and an upper baffle surface are arranged on the guide angles, and the positioning block can slide to the upper baffle surface in the guide groove according to the guide of the inclined plane slide rail and the guide rail and then fall to the mounting and dismounting block.
Preferably, the bottom of the mounting and dismounting block close to one side of the mounting and dismounting channel is provided with a chamfer, so that the positioning block can conveniently slide into and out of the mounting and dismounting channel.
Preferably, the elastic abutting surface is arranged at the bottom of the mounting and dismounting block.
Preferably, when the filter device is installed in the air intake duct, the top of the filter device is not higher than the top of the air intake duct.
Preferably, the top and/or the bottom of the filtering device is/are also provided with a filter screen.
Preferably, the filter device is filled with an adsorbent for adsorbing impurities in the fuel gas.
Preferably, the guide angle for guiding the positioning block to slide in and the guide angle for guiding the positioning block to slide out are different in shape, so as to be better used for guiding the positioning block to slide in or slide out.
Compared with the prior art, built-in filter equipment of gas table have following advantage:
the utility model provides a convenient replacement gas table embeds filter equipment's gas table only needs to press filter equipment to the admission line can fix in the admission line, when needs take out, only needs to press filter equipment's top once more, and filter equipment can pop out under the elasticity of elastic component, can carry out filter equipment's washing and change, and the installation is simple with the dismantlement, has better filter effect to save manpower and materials when ann tears open.
Drawings
FIG. 1 is a schematic view of the filtering device of the present invention installed behind the gas inlet pipe of a gas meter;
FIG. 2 is a cross-sectional view taken along plane A-A of FIG. 1;
FIG. 3 is a top view of the gas meter case of the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
fig. 5 is a perspective view of the filtering device of the present invention;
fig. 6 is a perspective view of the filter device of the present invention from another angle;
fig. 7 is a perspective view of the spiral channel of the present invention.
In the figure, 1, a gas meter shell; 2. an air intake duct; 3. an air outlet pipe; 4. a filtration device; 5. mounting and dismounting devices; 6. a limiting device; 7. a baffle plate; 8. an elastic member; 9. pressing the face; 10. an elastic abutting surface; 11. a spiral channel; 12. mounting and dismounting the block; 13. installing and detaching a channel; 14. positioning blocks; 15. mounting blocks; 16. disassembling the block; 17. installing a slide rail; 18. disassembling the slide rail; 19. a lower baffle surface; 20. a guide block; 21. a lead angle; 22. an inclined slide rail; 23. an upper blocking surface; 24. and (6) chamfering.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-7, a gas meter convenient for replacing a built-in filter device 4 of the gas meter comprises a gas meter shell 1, wherein a gas inlet pipeline 2 and a gas outlet pipeline 3 are arranged on the gas meter shell 1, the gas inlet pipeline 2 is provided with the detachable filter device 4, a mounting and dismounting device 5 is arranged outside a shell of the filter device 4, and a limiting device 6 matched with the mounting and dismounting device 5 is arranged on the inner wall of the gas inlet pipeline 2; still be provided with baffle 7 on the inlet duct 2 inner wall, one side that baffle 7 is close to filter equipment 4 is provided with elastic component 8, elastic component 8 butt is in filter equipment 4's bottom, filter equipment 4 accessible air inlet installation and dismantlement.
The top of the shell of the filtering device 4 is provided with a pressing surface 9, the bottom of the filtering device 4 is provided with an elastic abutting surface 10, and a spiral channel 11 for filtering gas is arranged inside the filtering device 4. The pressing surface 9 can be pressed more easily by workers when the filtering device 4 is replaced, and fingers are not easy to scratch; the elastic abutting surface 10 can be in large-area contact with the elastic element 8, so that the elastic element 8 has a better elastic effect, and the service life of the elastic element 8 can be prolonged; the spiral channel 11 can increase the filtering path and filtering time of the fuel gas, and increase the filtering effect.
The mounting and dismounting device 5 comprises mounting and dismounting blocks 12 and mounting and dismounting channels 13, the mounting and dismounting blocks 12 are arranged at the lower part of the outer wall of the filtering device 4, the number of the mounting and dismounting blocks 12 is at least two, the mounting and dismounting channels 13 are formed between every two mounting and dismounting blocks 12, the limiting device 6 is a positioning block 14, and the positioning block 14 can be mounted or dismounted through the mounting and dismounting channels 13.
The mounting and dismounting block 12 comprises a mounting block 15 and a dismounting block 16, a mounting slide rail 17 is arranged on the mounting block 15, the height of one side, close to the mounting and dismounting channel 13, of the mounting slide rail 17 is larger than the height of one side, close to the dismounting block 16, of the mounting slide rail 17, the height of one side, close to the mounting block 15, of the dismounting slide rail 18 is larger than the height of one side, close to the mounting channel, of the dismounting slide rail 18, and the mounting slide rail 17 can guide the positioning block 14 to slide to the lower stop surface 19 and be fixed and can slide out of the mounting and dismounting channel 13 under the guidance of the dismounting slide rail 18. When the filter device 4 is pressed to the air inlet pipe 2, the positioning block 14 on the air inlet pipe 2 slides to the mounting block 15 through the mounting and dismounting channel 13, and then slides to the bottom according to the mounting slide rail 17 and is fixed at the lower blocking surface 19; when the filter device 4 is pressed again, the positioning block 14 slides along the dismounting slide rail 18 to the mounting and dismounting rail and slides out along the mounting and dismounting rail under the action of the elastic element 8, so that the filter device 4 can be taken out of the air inlet pipeline 2.
The mounting and dismounting device 5 further comprises a guide block 20, the guide block 20 is arranged on the upper portion of the outer wall of the filtering device 4, at least two guide angles 21 are arranged on one side, close to the mounting and dismounting block 12, of the guide block 20, the number and the positions of the guide angles 21 are matched with the mounting and dismounting block 12, an inclined plane slide rail 22 and an upper blocking surface 23 are arranged on the guide angles 21, the positioning block 14 can slide to the upper blocking surface 23 in the guide groove according to the guide of the inclined plane slide rail 22 and the guide rail, and then falls to the mounting and dismounting block 12.
The bottom of the mounting and dismounting block 12 close to one side of the mounting and dismounting passage 13 is provided with a chamfer 24, so that the positioning block 14 can conveniently slide into and out of the mounting and dismounting passage 13. The positioning block 14 is triangular, and when the positioning block 14 slides to the position near the chamfer 24, the positioning block can smoothly slide into the mounting and dismounting passage 13 under the guidance of the chamfer 24, so that the mounting and dismounting of the filter device 4 are smoother.
The elastic abutting surface 10 is arranged at the bottom of the mounting and dismounting block 12, the mounting and dismounting block 12 is arranged on the outer wall of the filtering device 4, a track can be provided for mounting and dismounting the positioning block 14, the bottom of the mounting and dismounting block can also be used as the elastic abutting surface 10 to increase the contact area with the elastic piece 8, so that the filtering device 4 cannot deflect when receiving elastic force, and the mounting is not convenient.
When the filter device 4 is installed in the air inlet pipe 2, the top of the filter device 4 is not higher than the top of the air inlet pipe 2. After the filter device 4 is installed in the air inlet pipe 2, the height of the filter device is equal to that of the air inlet pipe 2 or slightly lower than that of the air inlet pipe 2, so that the installation of the air inlet pipe 2 and other pipes is not hindered, the filter device 4 can be completely located in the air inlet pipe 2, the filter device 4 can be protected from being damaged, and the service life of the filter device 4 is prolonged.
The top and/or the bottom of the filtering device 4 are/is also provided with a filter screen, so that the filtering effect of the gas can be increased.
The filter device 4 is filled with an adsorbent for adsorbing impurities in the fuel gas, and a proper adsorbent can be selected according to needs.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although 1, gas meter case is used more herein; 2. an air intake duct; 3. an air outlet pipe; 4. a filtration device; 5. mounting and dismounting devices; 6. a limiting device; 7. a baffle plate; 8. an elastic member; 9. pressing the face; 10. an elastic abutting surface; 11. a spiral channel; 12. mounting and dismounting the block; 13. installing and detaching a channel; 14. positioning blocks; 15. mounting blocks; 16. disassembling the block; 17. installing a slide rail; 18. disassembling the slide rail; 19. a lower baffle surface; 20. a guide block; 21. a lead angle; 22. an inclined slide rail; 23. an upper blocking surface; 24. chamfer, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. A gas meter convenient for replacing a built-in filtering device (4) of the gas meter is characterized by comprising a gas meter shell (1), wherein a gas inlet pipeline (2) and a gas outlet pipeline (3) are arranged on the gas meter shell (1), the gas inlet pipeline (2) is provided with the detachable filtering device (4), a mounting and dismounting device (5) is arranged outside a shell of the filtering device (4), and a limiting device (6) matched with the mounting and dismounting device (5) is arranged on the inner wall of the gas inlet pipeline (2); still be provided with baffle (7) on the inlet duct (2) inner wall, one side that baffle (7) are close to filter equipment (4) is provided with elastic component (8), elastic component (8) butt is in the bottom of filter equipment (4), filter equipment (4) accessible air inlet installation and dismantlement.
2. The gas meter with the built-in filtering device (4) convenient for replacing the gas meter is characterized in that a pressing surface (9) is arranged at the top of a shell of the filtering device (4), an elastic abutting surface (10) is arranged at the bottom of the filtering device (4), and a spiral channel (11) for filtering gas is arranged inside the filtering device (4).
3. The gas meter convenient for replacing the filter device (4) arranged in the gas meter is characterized in that the mounting and dismounting device (5) comprises mounting and dismounting blocks (12) and mounting and dismounting passages (13), the mounting and dismounting blocks (12) are arranged at the lower part of the outer wall of the filter device (4), the number of the mounting and dismounting blocks (12) is at least two, the mounting and dismounting passages (13) are formed between every two mounting and dismounting blocks (12), the limiting device (6) is a positioning block (14), and the positioning block (14) can be mounted or dismounted through the mounting and dismounting passages (13).
4. The gas meter convenient for replacing the built-in filtering device (4) of the gas meter is characterized in that the mounting and dismounting block (12) comprises a mounting block (15) and a dismounting block (16), a mounting slide rail (17) is arranged on the mounting block (15), the height of one side, close to the mounting and dismounting channel (13), of the mounting slide rail (17) is larger than that of one side, close to the dismounting block (16), of the mounting slide rail, the dismounting block (16) comprises a lower blocking surface (19) and a dismounting slide rail (18), the height of one side, close to the mounting block (15), of the dismounting slide rail (18) is larger than that of one side, close to the mounting channel, of the dismounting slide rail (17), the mounting slide rail (17) can guide the positioning block (14) to slide to the lower blocking surface (19) and be fixed, and can slide out of the mounting and dismounting channel (13) under the.
5. The gas meter convenient for replacing the built-in filter device (4) of the gas meter is characterized in that the mounting and dismounting device (5) further comprises a guide block (20), the guide block (20) is arranged on the upper portion of the outer wall of the filter device (4), at least two guide corners (21) are arranged on one side, close to the mounting and dismounting block (12), of the guide block (20), the number and the positions of the guide corners (21) are matched with those of the mounting and dismounting block (12), a slope slide rail (22) and an upper stop surface (23) are arranged on the guide corners (21), and the positioning block (14) can slide to the upper stop surface (23) in the guide groove according to the guidance of the slope slide rail (22) and the guide rail and then fall to the mounting and dismounting block (12).
6. The gas meter with the built-in filtering device (4) convenient for replacing the gas meter as claimed in claim 3, wherein the bottom of the mounting and dismounting block (12) close to one side of the mounting and dismounting passage (13) is provided with a chamfer (24), so that the positioning block (14) can slide into and out of the mounting and dismounting passage (13).
7. The gas meter with the built-in filter device (4) convenient for replacing the gas meter as claimed in claim 2, wherein the elastic abutting surface (10) is arranged at the bottom of the mounting and dismounting block (12).
8. The gas meter with the built-in filter device (4) convenient to replace according to claim 1, wherein when the filter device (4) is installed in the gas inlet pipeline (2), the top of the filter device (4) is not higher than that of the gas inlet pipeline (2).
9. The gas meter with the built-in filtering device (4) convenient for replacing the gas meter as claimed in claim 1, wherein the top and/or the bottom of the filtering device (4) is/are further provided with a filter screen.
10. The gas meter with the built-in filter device (4) convenient for replacing the gas meter as claimed in any one of claims 1 or 9, wherein the filter device (4) is internally filled with an adsorbent for adsorbing impurities in the gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920961574.3U CN209894257U (en) | 2019-06-24 | 2019-06-24 | Gas meter convenient for replacing built-in filtering device of gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920961574.3U CN209894257U (en) | 2019-06-24 | 2019-06-24 | Gas meter convenient for replacing built-in filtering device of gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209894257U true CN209894257U (en) | 2020-01-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920961574.3U Expired - Fee Related CN209894257U (en) | 2019-06-24 | 2019-06-24 | Gas meter convenient for replacing built-in filtering device of gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209894257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160593A (en) * | 2019-06-24 | 2019-08-23 | 中南大学 | A kind of gas meter, flow meter facilitating filter device built in replacement gas meter, flow meter |
-
2019
- 2019-06-24 CN CN201920961574.3U patent/CN209894257U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160593A (en) * | 2019-06-24 | 2019-08-23 | 中南大学 | A kind of gas meter, flow meter facilitating filter device built in replacement gas meter, flow meter |
| CN110160593B (en) * | 2019-06-24 | 2023-12-12 | 中南大学 | Gas meter with built-in filter device convenient to replace gas meter |
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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 |
Granted publication date: 20200103 Termination date: 20210624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |