CN220707091U - Bidirectional gas channel assembly - Google Patents
Bidirectional gas channel assembly Download PDFInfo
- Publication number
- CN220707091U CN220707091U CN202322484839.4U CN202322484839U CN220707091U CN 220707091 U CN220707091 U CN 220707091U CN 202322484839 U CN202322484839 U CN 202322484839U CN 220707091 U CN220707091 U CN 220707091U
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- China
- Prior art keywords
- pipe
- gas
- interface
- wall
- fixedly installed
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 84
- 239000002737 fuel gas Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Abstract
The utility model relates to the technical field of pipeline valves and discloses a bidirectional gas channel assembly, which comprises a first gas pipeline and a second gas pipeline, wherein a connecting assembly capable of being assembled quickly and a sealing alarm assembly capable of alarming are arranged in the first gas pipeline, the connecting assembly comprises a first interface, one end of the first gas pipeline is fixedly provided with the first interface, the inside of the first interface is provided with a threaded structure capable of being installed in a threaded manner, the sealing alarm device comprises a fixed pipe, the top of the fixed pipe is provided with an alarm structure capable of alarming, the connecting assembly further comprises a third gas pipeline, and a clamping structure capable of being installed in a clamping manner is arranged in the third gas pipeline, so that the purposes of assembling and fixing the device quickly are achieved, the pipeline is convenient to connect by workers, the convenience and the flexibility of using the device are improved, and the working pressure of workers is relieved.
Description
Technical Field
The utility model belongs to the technical field of pipeline valves, and particularly relates to a bidirectional fuel gas channel assembly.
Background
The utility model of publication number CN218954088U provides a gas pipeline bi-directional seal motor ball valve, includes: the valve comprises a valve body and a valve ball, wherein a sealing space is formed between the valve ball and the valve body, a sealing unit is arranged in the sealing space, the sealing unit comprises a first sealing ring and a mounting block, the first sealing ring is arranged on the mounting block, and an elastic piece is arranged between the mounting block and the valve body so that the first sealing ring is propped against the valve ball. According to the gas pipeline bidirectional sealing motor ball valve, the first sealing ring is propped against the valve ball to seal by means of the elastic force of the elastic piece, compared with an assembly mode that the sealing ring is pressed and fixed, the force propped against the valve ball and the first sealing ring can be reduced, the force required by rotation of the valve rod is reduced, and a small-moment motor can be adopted to reduce production cost.
However, the above patent also has the following problems: the device is in the in-process of being connected with gas pipeline, the interface department does not set up protective structure, the sealed effect of interface department is relatively poor, can appear the gap after the device uses for a long time, and the device surface does not set up gas and leaks alarm device, and after gas leaks, can be inhaled by the people in, and gas leaks still has the potential safety hazard of explosion, and the device uses and has the potential safety hazard, and the sealed fixed effect of the device interface department is not good, also is inconvenient for the workman to assemble fast and dismantle the device, has increased the clearance degree of difficulty of workman to the device, and the device uses and has inconveniently.
The present utility model has been made in view of this.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
the utility model provides a two-way gas channel subassembly, includes first gas pipeline and second gas pipeline, but the inside of first gas pipeline is provided with fast assembly's coupling assembling and the sealed alarm assembly that can report to the police, coupling assembling includes first interface, but the one end fixed mounting of first gas pipeline has first interface, but the inside of first interface is provided with screw thread installation's helicitic texture, and sealed alarm device includes the fixed pipe, but the top of fixed pipe is provided with the alarm structure that reports to the police, but coupling assembling still includes third gas pipeline, but the inside of third gas pipeline is provided with joint structure of joint installation.
As a preferred embodiment of the utility model, the connecting assembly further comprises a first air pipe, the first air pipe is fixedly arranged in the first interface, a first internal thread pipe is fixedly arranged on the inner wall of the first air pipe, an annular groove hole is formed in the outer wall of one side of the first interface, a first annular clamping plate is fixedly arranged in the annular groove hole, a hole is formed in the outer wall of the first interface, and a first connecting pipe is fixedly arranged in the hole.
As a preferred embodiment of the utility model, the connecting assembly further comprises a second interface, one end of the fixed pipe is fixedly provided with the second interface, the second air pipe is fixedly arranged in the second interface, the second inner threaded pipe is fixedly arranged on the inner wall of the second air pipe, the second annular clamping plate is fixedly arranged on the outer wall of one side of the second interface, and the second annular clamping plate can be clamped and arranged in the first annular clamping plate.
As a preferred embodiment of the utility model, the connecting assembly further comprises a third interface, the other end of the fixed pipe is fixedly provided with the third interface, the inside of the third interface is fixedly provided with a third air pipe, the inner wall of the third air pipe is fixedly provided with a third internal thread pipe, the inner wall of the third interface is fixedly provided with a fourth internal thread pipe, one end of the third interface is provided with an annular chute, a first annular groove plate is fixedly arranged in the annular chute, the inside of the first annular groove plate is fixedly provided with a first annular rubber ring, the outside of the first gas pipeline is provided with an auxiliary pipe, one end of the auxiliary pipe is rotatably provided with a first swivel, one end of the first swivel is fixedly provided with a first external thread pipe, the other end of the first swivel is rotatably provided with a second swivel, one end of the second swivel is fixedly provided with a second external thread pipe, and the inside of the auxiliary pipe is fixedly provided with a fourth air pipe.
As a preferred embodiment of the utility model, the connecting assembly further comprises a third gas pipeline, wherein a limiting ring plate is fixedly arranged in the third gas pipeline, a third external thread pipe is fixedly arranged on the outer wall of the limiting ring plate, a fifth gas pipe is fixedly arranged in the limiting ring plate, a fourth external thread pipe is fixedly arranged on the outer wall of the fifth gas pipe, the fourth external thread pipe can be arranged in the third internal thread pipe in a threaded manner, a second annular rubber ring is fixedly arranged in the annular groove hole, the first annular rubber ring can be tightly fixed with the second annular rubber ring, the first external thread pipe can be arranged in the first internal thread pipe in a threaded manner, and the second external thread pipe can be arranged in the second internal thread pipe in a threaded manner.
As a preferred implementation mode of the utility model, the sealing alarm assembly further comprises a fixed plate, the top of the second connector is fixedly provided with the fixed plate, the bottom of the fixed plate is provided with a hole, the hole is internally fixedly provided with a second connecting pipe, the top of the fixed plate is provided with a gas pressure gauge, one end of the second connecting pipe extends and is fixedly connected with the bottom of the gas pressure gauge, the top of the fixed plate is fixedly provided with a support plate, and a signal lamp and a voice alarm are fixedly arranged on the outer wall of one side of the support plate.
As a preferred embodiment of the utility model, the outer wall of the first gas pipeline is provided with a hole, a second gas pipeline is fixedly arranged in the hole, a first gas valve is fixedly arranged on the outer wall of the first gas pipeline, a first rotating handle is fixedly arranged on the outer wall of one side of the first gas valve, a second gas valve is fixedly arranged on the outer wall of the second gas pipeline, and a second rotating handle is fixedly arranged on the outer wall of one side of the second gas valve.
Compared with the prior art, the utility model has the following beneficial effects:
1. the device is assembled and fixed in a quick-dismantling mode, workers are convenient to connect pipelines, workers are convenient to assemble and overhaul the pipelines, convenience and flexibility of device use are improved, and working pressure of the workers is reduced.
2. The gas leakage detection and alarm device has the advantages of achieving the purposes of detecting gas leakage and alarming the device, improving the use safety of the device, improving the use stability of the device, improving the use environment of the device and optimizing the use experience of the device.
3. The gas output and stop are achieved, the gas output mode is regulated according to the use requirement, the use convenience of the device is improved, and the use safety of the device is improved.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a front view of the present utility model;
FIG. 2 is a right side perspective view of the present utility model;
FIG. 3 is a perspective view of the structure of the present utility model shown in FIG. 1;
FIG. 4 is a perspective view of the structure of the present utility model in FIG. 2;
FIG. 5 is a perspective view of the structure of the present utility model in FIG. 3;
FIG. 6 is a perspective view of the structure of the present utility model in FIG. 4;
FIG. 7 is a perspective view of the structure of the present utility model in FIG. 5;
FIG. 8 is a perspective view of the structure of the present utility model in FIG. 6;
fig. 9 is a perspective view of the structure of the present utility model in fig. 7.
In the figure: 10. a first gas conduit; 11. a second gas conduit; 12. a first air valve; 13. a first knob; 14. a second air valve; 15. a second knob; 16. a first interface; 17. a first gas pipe; 18. a first internally threaded tube; 19. the first annular clamping plate; 20. a first connection pipe; 21. a fixed tube; 22. a second interface; 23. a third interface; 24. a second gas pipe; 25. a second internally threaded tube; 26. the second annular clamping plate; 27. a fixing plate; 28. a second connection pipe; 29. a gas pressure gauge; 30. a support plate; 31. a signal lamp; 32. a voice alarm; 33. a third gas pipe; 34. a third internally threaded tube; 35. a fourth internally threaded tube; 36. a first annular groove plate; 37. the first annular rubber ring; 38. an auxiliary tube; 39. a first swivel; 40. a first externally threaded tube; 41. a second swivel; 42. a second externally threaded tube; 43. a fourth gas pipe; 44. a third gas conduit; 45. a limiting ring plate; 46. a third externally threaded tube; 47. a fifth gas pipe; 48. a fourth externally threaded tube; 49. a second annular groove plate; 50. and the second annular rubber ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.
Embodiment one: the utility model provides a two-way gas channel subassembly, specifically is shown in fig. 1 and 2, but the inside of first gas pipeline 10 is provided with fast assembly's coupling assembling and the sealed alarm assembly that can report to the police, coupling assembling includes first interface 16, the one end fixed mounting of first gas pipeline 10 has first interface 16, the inside of first interface 16 is provided with the helicitic texture that can install screw thread, sealed alarm device includes fixed pipe 21, the top of fixed pipe 21 is provided with the alarm structure that can report to the police, coupling assembling still includes third gas pipeline 44, but the inside of third gas pipeline 44 is provided with joint structure of joint installation. The pipeline is quickly disassembled and assembled through the connecting component, and the device is protected through the sealing alarm component.
As shown in fig. 5, the connection assembly further includes a first air pipe 17, the first air pipe 17 is fixedly installed in the first interface 16, a first internal threaded pipe 18 is fixedly installed on an inner wall of the first air pipe 17, an annular groove hole is formed in an outer wall of one side of the first interface 16, a first annular clamping plate 19 is fixedly installed in the annular groove hole, a hole is formed in an outer wall of the first interface 16, and a first connection pipe 20 is fixedly installed in the hole.
As shown in fig. 6, the connection assembly further includes a second interface 22, one end of the fixing tube 21 is fixedly provided with the second interface 22, the second air tube 24 is fixedly installed in the second interface 22, the second internal thread tube 25 is fixedly installed on the inner wall of the second air tube 24, the second annular clamping plate 26 is fixedly installed on the outer wall of one side of the second interface 22, and the second annular clamping plate 26 can be clamped and installed in the first annular clamping plate 19. The fixing tube 21 is pushed, the second annular clamping plate 26 is clamped and installed inside the first annular clamping plate 19, and the second interface 22 and the first interface 16 are tightly attached and fixed.
As shown in fig. 7 and 8, the connection assembly further includes a third interface 23, the other end of the fixed pipe 21 is fixedly provided with the third interface 23, the inside of the third interface 23 is fixedly provided with a third air pipe 33, the inner wall of the third air pipe 33 is fixedly provided with a third internal thread pipe 34, the inner wall of the third interface 23 is fixedly provided with a fourth internal thread pipe 35, one end of the third interface 23 is provided with an annular chute, the inside of the annular chute is fixedly provided with a first annular groove plate 36, the inside of the first annular groove plate 36 is fixedly provided with a first annular rubber ring 37, the outside of the first gas pipe 10 is provided with an auxiliary pipe 38, one end of the auxiliary pipe 38 is rotatably provided with a first swivel 39, one end of the first swivel 39 is fixedly provided with a first external thread pipe 40, the other end of the first swivel 39 is rotatably provided with a second swivel 41, one end of the second swivel 41 is fixedly provided with a second external thread pipe 42, and the inside of the auxiliary pipe 38 is fixedly provided with a fourth air pipe 43.
As shown in fig. 8 and 9, the connection assembly further includes a third gas pipe 44, a stop ring plate 45 is fixedly installed in the third gas pipe 44, a third external thread pipe 46 is fixedly installed on an outer wall of the stop ring plate 45, a fifth gas pipe 47 is fixedly installed in the stop ring plate 45, a fourth external thread pipe 48 is fixedly installed on an outer wall of the fifth gas pipe 47, the fourth external thread pipe 48 can be installed in the third internal thread pipe 34 in a threaded manner, the third external thread pipe 46 can be installed in the fourth internal thread pipe 35 in a threaded manner, an annular groove hole is formed in one end of the third gas pipe 44, a second annular rubber ring 50 is fixedly installed in the annular groove hole, the first annular rubber ring 37 can be tightly fixed with the second annular rubber ring 50, the first external thread pipe 40 can be installed in the first internal thread pipe 18 in a threaded manner, and the second external thread pipe 42 can be installed in the second internal thread pipe 25 in a threaded manner. The third gas pipe 44 is rotated, the fourth externally threaded pipe 48 is screwed into the third internally threaded pipe 34, the third externally threaded pipe 46 is screwed into the fourth internally threaded pipe 35, the auxiliary pipe 38 is held, the auxiliary pipe 38 is placed in the first joint 16, the first swivel 39 is rotated, the first externally threaded pipe 40 is screwed into the first internally threaded pipe 18, the second swivel 41 is rotated, the second externally threaded pipe 42 is screwed into the second internally threaded pipe 25, and the first annular rubber ring 37 is brought into close contact with the second annular rubber ring 50.
According to the above, the structures of the first interface 16, the first gas pipe 17, the first internal thread pipe 18, the first annular clamping plate 19, the first connecting pipe 20, the fixing pipe 21, the second interface 22, the third interface 23, the second gas pipe 24, the second internal thread pipe 25, the second annular clamping plate 26, the third gas pipe 33, the third internal thread pipe 34, the fourth internal thread pipe 35, the first annular groove plate 36, the first annular rubber ring 37, the auxiliary pipe 38, the first swivel 39, the first external thread pipe 40, the second swivel 41, the second external thread pipe 42, the fourth gas pipe 43, the third gas pipe 44, the limiting ring plate 45, the third external thread pipe 46, the fifth gas pipe 47, the fourth external thread pipe 48, the second annular groove plate 49 and the second annular rubber ring 50 are adopted, so that the quick-dismantling, assembling and fixing of the device are achieved, the device is convenient for workers to connect the pipeline, the convenience and the overhaul of the workers are improved, and the working pressure of the device is relieved.
Embodiment two: on the basis of the first embodiment, as shown in fig. 3, fig. 4 and fig. 6, the sealing alarm assembly further comprises a fixing plate 27, the top of the second interface 22 is fixedly provided with the fixing plate 27, a hole is formed in the bottom of the fixing plate 27, a second connecting pipe 28 is fixedly arranged in the hole, the top of the fixing plate 27 is provided with a gas pressure gauge 29, one end of the second connecting pipe 28 extends and is fixedly connected with the bottom of the gas pressure gauge 29, a support plate 30 is fixedly arranged at the top of the fixing plate 27, and a signal lamp 31 and a voice alarm 32 are fixedly arranged on the outer wall of one side of the support plate 30. When the second interface 22 is tightly connected with the first interface 16, the bottom of the second connecting pipe 28 is tightly fixed with the top of the gas pressure gauge 29, leaked gas is conveyed to the gas pressure gauge 29 through the second connecting pipe 28, the gas leakage change amount is displayed through the gas pressure gauge 29, when the gas leakage exceeds a normal value, the signal lamp 31 flashes, and the voice alarm 32 sends out a voice alarm.
According to the above, the purpose of detecting and alarming the gas leakage of the device is achieved through the structures of the fixing plate 27, the second connecting pipe 28, the gas pressure gauge 29, the support plate 30, the signal lamp 31 and the voice alarm 32, the use safety of the device is improved, the use stability of the device is improved, the use environment of the device is improved, and the use experience of the device is optimized.
Embodiment III: on the basis of the first embodiment and the second embodiment, as shown in fig. 1 and 2, a hole is formed in the outer wall of the first gas pipeline 10, a second gas pipeline 11 is fixedly installed in the hole, a first gas valve 12 is fixedly installed on the outer wall of the first gas pipeline 10, a first rotary handle 13 is fixedly installed on the outer wall of one side of the first gas valve 12, a second gas valve 14 is fixedly installed on the outer wall of the second gas pipeline 11, and a second rotary handle 15 is fixedly installed on the outer wall of one side of the second gas valve 14. The first and second rotary handles 13 and 15 are rotated to output and control the fuel gas of the first and second fuel gas pipes 10 and 11.
In summary, through the structures of the first gas pipeline 10, the second gas pipeline 11, the first gas valve 12, the first rotary handle 13, the second gas valve 14 and the second rotary handle 15, the output and stop of the gas are achieved, the output mode of the gas is regulated according to the use requirement, the use convenience of the device is improved, and the use safety of the device is improved.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. The utility model provides a two-way gas channel subassembly, includes first gas pipeline (10) and second gas pipeline (11), its characterized in that, the inside of first gas pipeline (10) is provided with but fast assembly's coupling assembling and the sealed alarm assembly that can report to the police, coupling assembling includes first interface (16), the one end fixed mounting of first gas pipeline (10) has first interface (16), the inside of first interface (16) is provided with threaded structure that can screw-thread mount, sealed alarm device includes fixed pipe (21), the top of fixed pipe (21) is provided with the alarm structure that can report to the police, coupling assembling still includes third gas pipeline (44), the inside of third gas pipeline (44) is provided with the joint structure that can the joint be installed.
2. The bidirectional gas channel assembly according to claim 1, wherein the connecting assembly further comprises a first gas pipe (17), the first gas pipe (17) is fixedly installed in the first interface (16), a first internal thread pipe (18) is fixedly installed on the inner wall of the first gas pipe (17), an annular groove hole is formed in the outer wall of one side of the first interface (16), a first annular clamping plate (19) is fixedly installed in the annular groove hole, a hole is formed in the outer wall of the first interface (16), and a first connecting pipe (20) is fixedly installed in the hole.
3. The bidirectional gas channel assembly according to claim 2, wherein the connecting assembly further comprises a second interface (22), wherein the second interface (22) is fixedly installed at one end of the fixed pipe (21), a second gas pipe (24) is fixedly installed inside the second interface (22), a second internal thread pipe (25) is fixedly installed on the inner wall of the second gas pipe (24), a second annular clamping plate (26) is fixedly installed on the outer wall of one side of the second interface (22), and the second annular clamping plate (26) can be installed inside the first annular clamping plate (19) in a clamping manner.
4. A bidirectional gas channel assembly according to claim 3, characterized in that the connection assembly further comprises a third interface (23), the other end of the fixed pipe (21) is fixedly provided with the third interface (23), the inside of the third interface (23) is fixedly provided with a third gas pipe (33), the inner wall of the third gas pipe (33) is fixedly provided with a third internal thread pipe (34), the inner wall of the third interface (23) is fixedly provided with a fourth internal thread pipe (35), one end of the third interface (23) is provided with an annular chute, the inside of the annular chute is fixedly provided with a first annular groove plate (36), the inside of the first annular groove plate (36) is fixedly provided with a first annular rubber ring (37), the outside of the first gas pipe (10) is provided with an auxiliary pipe (38), one end of the auxiliary pipe (38) is rotatably provided with a first rotary ring (39), one end of the first rotary ring (39) is fixedly provided with a first external thread pipe (40), the other end of the first rotary ring (39) is rotatably provided with a second rotary ring (41), the other end of the second rotary ring (41) is fixedly provided with a second external thread pipe (42), and the inside of the second rotary ring (41) is fixedly provided with a second auxiliary pipe (43).
5. The bidirectional gas channel assembly according to claim 4, wherein the connecting assembly further comprises a third gas pipeline (44), a limiting ring plate (45) is fixedly installed inside the third gas pipeline (44), a third external thread pipe (46) is fixedly installed on the outer wall of the limiting ring plate (45), a fifth gas pipe (47) is fixedly installed inside the limiting ring plate (45), a fourth external thread pipe (48) is fixedly installed on the outer wall of the fifth gas pipe (47), the fourth external thread pipe (48) is threadably installed inside the third internal thread pipe (34), the third external thread pipe (46) is threadably installed inside the fourth internal thread pipe (35), an annular groove hole is formed in one end of the third gas pipeline (44), a second annular rubber ring (50) is fixedly installed inside the annular groove hole, the first annular rubber ring (37) can be tightly fixed with the second annular rubber ring (50), the first external thread pipe (40) can be threadably installed inside the first internal thread pipe (18), and the second external thread pipe (42) can be threadably installed inside the second internal thread pipe (25).
6. The bidirectional gas channel assembly according to claim 1, wherein the sealing alarm assembly further comprises a fixing plate (27), the top of the second interface (22) is fixedly provided with the fixing plate (27), a hole is formed in the bottom of the fixing plate (27), a second connecting pipe (28) is fixedly arranged in the hole, the top of the fixing plate (27) is provided with a gas pressure gauge (29), one end of the second connecting pipe (28) extends and is fixedly connected with the bottom of the gas pressure gauge (29), the top of the fixing plate (27) is fixedly provided with a support plate (30), and a signal lamp (31) and a voice alarm (32) are fixedly arranged on the outer wall of one side of the support plate (30).
7. The bidirectional gas channel assembly according to claim 1, wherein a hole is formed in the outer wall of the first gas pipeline (10), a second gas pipeline (11) is fixedly installed in the hole, a first gas valve (12) is fixedly installed on the outer wall of the first gas pipeline (10), a first rotary handle (13) is fixedly installed on the outer wall of one side of the first gas valve (12), a second gas valve (14) is fixedly installed on the outer wall of the second gas pipeline (11), and a second rotary handle (15) is fixedly installed on the outer wall of one side of the second gas valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322484839.4U CN220707091U (en) | 2023-09-12 | 2023-09-12 | Bidirectional gas channel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322484839.4U CN220707091U (en) | 2023-09-12 | 2023-09-12 | Bidirectional gas channel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220707091U true CN220707091U (en) | 2024-04-02 |
Family
ID=90439742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322484839.4U Active CN220707091U (en) | 2023-09-12 | 2023-09-12 | Bidirectional gas channel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220707091U (en) |
-
2023
- 2023-09-12 CN CN202322484839.4U patent/CN220707091U/en active Active
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