CN218235380U - SF6/N2 mixed gas vacuumizing inflator - Google Patents
SF6/N2 mixed gas vacuumizing inflator Download PDFInfo
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- CN218235380U CN218235380U CN202222165354.4U CN202222165354U CN218235380U CN 218235380 U CN218235380 U CN 218235380U CN 202222165354 U CN202222165354 U CN 202222165354U CN 218235380 U CN218235380 U CN 218235380U
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Abstract
The utility model discloses a SF 6 /N 2 The mixed gas vacuumizing inflator comprises a shell and four supporting blocks, four corners of the bottom of the shell are respectively connected with the tops of the four supporting blocks, the bottom of each supporting block is movably connected with a buffer block, and one side of the shell is connected with a control panel. The utility model is provided with a connecting plate, a connecting block, a connecting rod, a moving block,The cooperation of shifting chute, first flexible post, first buffer spring, slide bar, sliding block, buffer beam, second buffer spring, buffer board, the flexible post of second and third buffer spring is used, has reached and has carried out absorbing advantage to equipment, has solved current SF 6 /N 2 When the mixed gas vacuumizing inflator is used, the vacuum pump, the pointer type vacuum meter, the regulating valve, the gas conveying pipe and the maintenance SF are adopted 6 /N 2 The necessary valve and instrument control parts of the circuit breaker can generate vibration during the working process, so that the equipment generates high noise, and the equipment causes damage to users.
Description
Technical Field
The utility model belongs to the technical field of the mist evacuation inflator, especially, relate to a SF 6N 2 mist evacuation inflator.
Background
SF 6 Sulfur hexafluoride is a stable gas with no color, no odor, no toxicity and no combustion, and has a chemical formula of SF 6 Its molecular weight is 146.07, density is 6.1kg/m3 at 20 deg.C and 0.1MPa, it is about 5 times of air density, sulfur hexafluoride is gaseous at normal temperature and normal pressure, its critical temperature is 45.6 deg.C, triple point temperature is-50.8 deg.C, sublimation point temperature is-63.8 deg.C at normal pressure, sulfur hexafluoride molecular structure is octahedral arrangement, bonding distance is small, bonding energy is high, its stability is high, when its temperature is less than 180 deg.C, its compatibility with electric structure material is similar to nitrogen, SF 6 /N 2 The mixed gas vacuumizing inflator is mainly used for porcelain column type SF 6 /N 2 Circuit breakers, transformers and other SF 6 Evacuation, vacuum degree measurement, etc. during installation, operation and maintenance of electrical appliances, SF 6 /N 2 The mixed gas vacuum-pumping inflator is a compact SF 6 /N 2 The whole gas-filling and vacuum-pumping device is mounted on a very firm metal frame, and can be freely moved on the broken stone road surface, and the whole SF can be freely moved 6 /N 2 The gas inflation and evacuation device includes: vacuum pump, pointer type vacuum meter, regulating valve, gas transmission pipe and maintenance SF 6 /N 2 The necessary valves and instrumentation controls of the circuit breaker.
At present, SF 6 /N 2 Mixed gas vacuumizing inflator for SF 6 /N 2 The gas mixture carries out the in-process that the evacuation was aerifyd, some problems can appear, for example the rolling is placed inside the device usually at will when the pipeline does not use, and is comparatively troublesome to reuse, and uses the back pipeline to forget to pull down when removing, can cause to pull the pipeline, damages the pipeline, influences the sealed effect problem of pipeline, and the problem that prior art exists is: existing SF 6 /N 2 When the mixed gas vacuumizing inflator is used, the vacuum pump, the pointer type vacuum meter, the regulating valve, the gas conveying pipe and the maintenance SF are used 6 /N 2 The necessary valve and instrument control parts of the circuit breaker can generate vibration during the working process, so that the equipment generates high noise, and the equipment causes damage to users.
SUMMERY OF THE UTILITY MODEL
To the problems existing in the prior art, the utility model provides a SF 6 /N 2 The mixed gas vacuumizing inflator has the advantage of damping the equipment, and solves the problem of the prior SF 6 /N 2 When the mixed gas vacuumizing inflator is used, the vacuum pump, the pointer type vacuum meter, the regulating valve, the gas conveying pipe and the maintenance SF are used 6 /N 2 The necessary valve and instrument control parts of the circuit breaker can generate vibration during the working process, so that the equipment generates high noise, and the equipment causes damage to users.
The utility model is realized in such a way, a SF 6 /N 2 Mixed gas evacuation inflator, including casing and four supporting shoes, the four corners of casing bottom is connected with the top of four supporting shoes respectively, the bottom swing joint of supporting shoe has the buffer block, one side of casing is connected with control panel, the inside bottom swing joint of casing has the connecting plate, the top of connecting plate is connected with transmission air pump assembly, the bottom of connecting plate is connected with the connecting block, one side of connecting block is connected with first spliced pole, the surface cover of first spliced pole is established and is connected with two connecting rods, one side cover that first spliced pole was kept away from to the connecting rod is established and is connected with the second spliced pole, one side of second spliced pole is connected with the movable block, the inside cover of movable block is established and is connected with the gag lever post, the both sides of gag lever post all with the inner wall connection of casing, the travelling bath that uses with the movable block cooperation is seted up to the inner wall of casing, the top of buffer block is connected with first flexible post, the surface cover of first flexible post is established and is connected with first buffer spring, the top of first flexible post and the inner wall connection blockThe connecting structure comprises a shell and is characterized in that two fixed blocks are connected to the two sides of the shell, a sliding rod is connected between the opposite sides of the two fixed blocks, a sliding block is arranged and connected to the surface of the sliding rod in a sleeved mode, a second buffer spring is fixedly connected to the bottom of the sliding block, one side, away from the sliding block, of the second buffer spring is connected with the fixed blocks, a first fixed column is connected to one side of the sliding block, a buffer rod is arranged and connected to the surface of the first fixed column in a sleeved mode, away from the first fixed column, of the buffer rod, a second fixed column is connected to one side of the second fixed column in a sleeved mode, a protruding block is connected to one side of the second fixed column in a connected mode, the bottom of the protruding block is connected with the top of a connecting plate, a connecting buffer plate is connected to the bottom of the buffer plate, a second telescopic column is connected to the surface of the second telescopic column in a sleeved mode, a third buffer spring is connected to the bottom of the second telescopic column and the inner wall of the shell, and the two buffer plates are symmetrically distributed at the bottom of the connecting plate.
As the utility model discloses it is preferred, the both sides of connecting plate all are connected with supplementary slider, the inside cover of supplementary slider is established and is connected with supplementary slide bar, the top and the bottom of supplementary slide bar all with the interior wall connection of casing, the supplementary spout that uses with the cooperation of supplementary slider is seted up to the inner wall of casing.
As the utility model discloses preferred, one side that two movable blocks are relative all is connected with buffering reset spring, buffering reset spring keeps away from one side of movable block and the interior wall connection of casing, buffering reset spring overlaps and establishes the surface at the gag lever post.
As the utility model discloses it is preferred, one side that connecting block, movable block, sliding block and lug were kept away from respectively to first spliced pole, second spliced pole, first fixed column and second fixed column all is connected with limit baffle, limit baffle uses with connecting rod and buffer lever cooperation.
As the utility model discloses it is preferred, the bottom of movable block is connected with limit slide, the spacing spout that uses with the limit slide cooperation is seted up to the inner wall of casing.
As the utility model discloses it is preferred, the quantity of the flexible post of buffer board, third buffer spring and second is a plurality of, the flexible post evenly distributed of buffer board, third buffer spring and second is in the bottom of connecting plate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up the connecting plate, the connecting block, the connecting rod, the movable block, the shifting chute, first flexible post, first buffer spring, the slide bar, the sliding block, the buffer bar, the second buffer spring, the buffer board, the flexible post of second and third buffer spring's cooperation is used, use through the movable block, the shifting chute, first flexible post, first buffer spring, the slide bar, the sliding block, the buffer bar, second buffer spring, the buffer board, the flexible post of second and third buffer spring cushion the vibrations that the drive assembly produced, reached and carried out absorbing advantage to equipment, the current SF of having solved is buffered 6 /N 2 When the mixed gas vacuumizing inflator is used, the vacuum pump, the pointer type vacuum meter, the regulating valve, the gas conveying pipe and the maintenance SF are used 6 /N 2 The necessary valve and instrument control parts of the circuit breaker can generate vibration during the working process, so that the equipment generates high noise, and the equipment causes damage to users.
2. The utility model discloses a set up supplementary slider, supplementary slide bar and supplementary spout, can make the connecting plate remove easier along with transmission air pump assembly work vibrations, reduced the area of contact of connecting plate with the casing, reduced the wearing and tearing of connecting plate, carried out the level simultaneously to the connecting plate spacing, avoid causing the harm to the casing.
3. The utility model discloses a set up buffering reset spring, buffering reset spring can make the movable block receive the buffering when the pressure that vibrations produced removes, can make the movable block slowly reset after pressure disappears simultaneously, avoids the inner wall of movable block and casing to take place the striking.
4. The utility model discloses a set up limit baffle, can avoid connecting rod and buffer bar in the motion process, connecting rod and buffer bar break away from first spliced pole, second spliced pole, first fixed column and second fixed column respectively, avoid connecting rod and buffer bar to cause the harm to the casing.
5. The utility model discloses a set up limit slide and spacing spout, can make the movable block remove more easily when the connecting rod removes, avoided the movable block dead phenomenon of card to appear, reduced the area of contact of movable block and casing, reduced the wearing and tearing of movable block ground.
6. The utility model discloses a quantity that sets up the flexible post of buffer board, third buffer spring and second is a plurality of, can make the connecting plate cushion the vibrations that transmission air pump subassembly produced better, has reduced the vibrations that produce ground, has reduced the harm that causes ground and user.
Drawings
Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;
FIG. 2 is a diagram of an embodiment of the present invention providing SF 6 /N 2 A right side sectional view of the mixed gas vacuumizing inflator;
fig. 3 is an enlarged view of a portion a of fig. 2 according to an embodiment of the present invention;
fig. 4 is a partial enlarged view of the embodiment of the present invention shown in fig. 2 and taken at B;
fig. 5 is a partial enlarged view of C in fig. 2 according to an embodiment of the present invention.
In the figure: 1. a housing; 2. a support block; 3. a buffer block; 4. a control panel; 5. a transmission air pump assembly; 6. a connecting plate; 7. connecting blocks; 8. a first connecting column; 9. a connecting rod; 10. a second connecting column; 11. a moving block; 12. a limiting rod; 13. a moving groove; 14. a first telescopic column; 15. a fixed block; 16. a slide bar; 17. a slider; 18. a second buffer spring; 19. a first fixed column; 20. a buffer rod; 21. a second fixed column; 22. a bump; 23. a buffer plate; 24. a second telescopic column; 25. a third buffer spring; 26. an auxiliary slide block; 27. an auxiliary slide bar; 28. an auxiliary chute; 29. a buffer return spring; 30. a limit baffle; 31. a first buffer spring; 32. a limiting slide block; 33. and a limiting sliding groove.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, an SF according to an embodiment of the present invention 6 /N 2 The mixed gas vacuumizing inflator comprises a shell 1 and four supporting blocks 2, four corners of the bottom of the shell 1 are respectively connected with the tops of the four supporting blocks 2, the bottom of each supporting block 2 is movably connected with a buffer block 3, one side of the shell 1 is connected with a control panel 4, the bottom of the interior of the shell 1 is movably connected with a connecting plate 6, the top of the connecting plate 6 is connected with a transmission air pump assembly 5, the bottom of the connecting plate 6 is connected with a connecting block 7, one side of the connecting block 7 is connected with a first connecting column 8, the surface of the first connecting column 8 is sleeved with two connecting rods 9, one side of each connecting rod 9, which is far away from the first connecting column 8, is sleeved with a second connecting column 10, one side of the second connecting column 10 is connected with a moving block 11, the interior of the moving block 11 is sleeved with a limiting rod 12, two sides of the limiting rod 12 are both connected with the inner wall of the shell 1, the inner wall of the shell 1 is provided with a moving groove 13 matched with the moving block 11 for use, the top of the buffer block 3 is connected with a first telescopic column 14, the surface of the first telescopic column 14 is sleeved and connected with a first buffer spring 31, the top of the first telescopic column 14 is connected with the inner wall of the connecting block 7, two fixing blocks 15 are connected with two sides of the shell 1, a sliding rod 16 is connected between the opposite sides of the two fixing blocks 15, the surface of the sliding rod 16 is sleeved and connected with a sliding block 17, the bottom of the sliding block 17 is fixedly connected with a second buffer spring 18, one side of the second buffer spring 18 far away from the sliding block 17 is connected with the fixing block 15, one side of the sliding block 17 is connected with a first fixing column 19, the surface of the first fixing column 19 is sleeved and connected with a buffer rod 20, one side of the buffer rod 20 far away from the first fixing column 19 is sleeved and connected with a second fixing column 21, one side of the second fixing column 21 is connected with a lug 22, and the bottom of the lug 22 is connected with the top of the connecting plate 6, the bottom of connecting plate 6 is connected with connects buffer board 23, and the bottom of buffer board 23 is connected with the flexible post 24 of second, and the surface cover of the flexible post 24 of second is established and is connected with third buffer spring 25, and the bottom of the flexible post 24 of second and the interior wall connection of casing 1, two buffer boards 23 are the symmetric distribution in the bottom of connecting plate 6.
Referring to fig. 2 and 4, two sides of the connecting plate 6 are both connected with auxiliary sliding blocks 26, auxiliary sliding rods 27 are sleeved inside the auxiliary sliding blocks 26, the tops and bottoms of the auxiliary sliding rods 27 are both connected with the inner wall of the casing 1, and auxiliary sliding grooves 28 matched with the auxiliary sliding blocks 26 for use are formed in the inner wall of the casing 1.
Adopt above-mentioned scheme: through setting up supplementary slider 26, supplementary slide bar 27 and supplementary spout 28, can make connecting plate 6 remove more easily along with transmission air pump assembly 5 during vibrations, reduced the area of contact of connecting plate 6 with casing 1, reduced the wearing and tearing of connecting plate 6, carried out the level simultaneously to connecting plate 6 spacing, avoid causing the harm to casing 1, prolonged the life of connecting plate 6.
Referring to fig. 2 and 3, one side of each of the two moving blocks 11 opposite to each other is connected with a buffering return spring 29, one side of each buffering return spring 29 far away from the corresponding moving block 11 is connected with the inner wall of the housing 1, and the buffering return springs 29 are sleeved on the surfaces of the limiting rods 12.
The scheme is adopted: through setting up buffering reset spring 29, buffering reset spring 29 can make movable block 11 receive the buffering when the pressure that vibrations produced removes, can make movable block 11 slowly reset after the pressure disappears simultaneously, avoids movable block 11 and the inner wall of casing 1 to take place the striking, has prolonged movable block 11's life.
Referring to fig. 2, 3 and 4, the first connecting column 8, the second connecting column 10, the first fixing column 19 and the second fixing column 21 are respectively connected with a limit baffle 30 at one side far away from the connecting block 7, the moving block 11, the sliding block 17 and the bump 22, and the limit baffle 30 is matched with the connecting rod 9 and the buffer rod 20 for use.
Adopt above-mentioned scheme: through setting up limit baffle 30, can avoid connecting rod 9 and buffer beam 20 in the motion process, connecting rod 9 and buffer beam 20 break away from first spliced pole 8, second spliced pole 10, first fixed column 19 and second fixed column 21 respectively, avoid connecting rod 9 and buffer beam 20 to cause the harm to casing 1, prolonged connecting rod 9 and buffer beam 20's life.
Referring to fig. 2 and 3, the bottom of the moving block 11 is connected with a limiting slide block 32, and the inner wall of the housing 1 is provided with a limiting slide groove 33 used in cooperation with the limiting slide block 32.
Adopt above-mentioned scheme: through setting up spacing slider 32 and spacing spout 33, can make the movable block 11 move more easily along with connecting rod 9 removes, avoided the dead phenomenon of card to appear in movable block 11, reduced the area of contact of movable block 11 with casing 1, reduced the wearing and tearing of movable block 11, prolonged the life of movable block 11.
Referring to fig. + +, the number of the buffer plates 23, the third buffer springs 25 and the second telescopic pillars 24 is several, and the buffer plates 23, the third buffer springs 25 and the second telescopic pillars 24 are uniformly distributed at the bottom of the connecting plate 6.
Adopt above-mentioned scheme: the quantity through setting up buffer board 23, third buffer spring 25 and the flexible post 24 of second is a plurality of, can make connecting plate 6 cushion the vibrations that transmission air pump assembly 5 produced better, has reduced the vibrations to ground production, has reduced the harm that causes ground and user.
The utility model discloses a theory of operation:
when the vibration damping device is used, the transmission air pump assembly 5 vibrates during working, the transmission air pump assembly 5 vibrates to move the connecting plate 6 in a vibration mode, the connecting plate 6 drives the connecting block 7 to move in a vibration mode, the connecting block 7 drives the connecting rod 9 to move in a vibration mode through the first connecting column 8, the connecting rod 9 drives the moving block 11 to move and buffer in the limiting rod 12 and the moving groove 13 through the second connecting column 10, meanwhile, the connecting rod 9 drives the lug 22 to move, the lug 22 drives the buffer rod 20 to move through the second fixing column 21, the buffer rod 20 drives the sliding block 17 to compress and buffer the second buffer spring 18 on the sliding rod 16, meanwhile, the connecting plate 6 drives the buffer plate 23 to buffer in a vibration mode, the buffer plate 23 compresses and buffers the second telescopic column 24 and the third buffer spring 25, then the vibration of the transmission air pump assembly 5 is damped, meanwhile, the first telescopic column 14 and the first buffer spring 31 on the buffer block 3 are compressed and buffered on the shell 1, thereby damping and reducing noise of the device, and achieving the advantage of damping and reducing the device.
In summary, the following steps: the SF 6 /N 2 The mixed gas vacuumizing inflator is composed of a shell 1, a supporting block 2, a buffer block 3, a control panel 4,The air pump assembly comprises a transmission air pump assembly 5, a connecting plate 6, a connecting block 7, a first connecting column 8, a connecting rod 9, a second connecting column 10, a moving block 11, a limiting rod 12, a moving groove 13, a first telescopic column 14, a fixing block 15, a sliding rod 16, a sliding block 17, a second buffer spring 18, a first fixing column 19, a buffer rod 20, a second fixing column 21, a convex block 22, a buffer plate 23, a second telescopic column 24, a third buffer spring 25, an auxiliary sliding block 26, an auxiliary sliding rod 27, an auxiliary sliding groove 28, a buffer reset spring 29, a limiting baffle 30, a first buffer spring 31, a limiting sliding block 32 and a limiting sliding groove 33, and solves the problem of matching use of the existing SF (sulfur hexafluoride) sliding groove 33 6 /N 2 When the mixed gas vacuumizing inflator is used, the vacuum pump, the pointer type vacuum meter, the regulating valve, the gas conveying pipe and the maintenance SF are adopted 6 /N 2 The necessary valve and instrument control parts of the circuit breaker can generate vibration during the working process, so that the equipment generates high noise, and the equipment causes damage to users.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. SF (sulfur hexafluoride) 6 /N 2 The mixed gas vacuumizing inflator comprises a shellBody (1) and four supporting shoe (2), its characterized in that: four corners of the bottom of the shell (1) are respectively connected with the tops of four supporting blocks (2), the bottom of each supporting block (2) is movably connected with a buffer block (3), one side of the shell (1) is connected with a control panel (4), the bottom of the interior of the shell (1) is movably connected with a connecting plate (6), the top of each connecting plate (6) is connected with a transmission air pump assembly (5), the bottom of each connecting plate (6) is connected with a connecting block (7), one side of each connecting block (7) is connected with a first connecting column (8), two connecting rods (9) are sleeved on the surfaces of the first connecting columns (8), one side, far away from the first connecting columns (8), of each connecting rod (9) is sleeved with a second connecting column (10), one side of each second connecting column (10) is connected with a moving block (11), a limiting rod (12) is sleeved inside the moving block (11), two sides of the limiting rod (12) are connected with the inner wall of the shell (1), a moving groove (13) matched with the moving block (11) is formed in the inner wall of the shell, the top of the first connecting block (3) is connected with a first telescopic spring (14), and the top of the first connecting block (14) is connected with a telescopic spring (14), the improved structure of the automobile seat is characterized in that two fixed blocks (15) are connected to two sides of the shell (1), a sliding rod (16) is connected between one opposite sides of the two fixed blocks (15), a sliding block (17) is sleeved on the surface of the sliding rod (16), a second buffer spring (18) is fixedly connected to the bottom of the sliding block (17), one side, away from the sliding block (17), of the second buffer spring (18) is connected with the fixed blocks (15), one side of the sliding block (17) is connected with a first fixed column (19), a buffer rod (20) is sleeved on the surface of the first fixed column (19), one side, away from the first fixed column (19), of the buffer rod (20) is sleeved with a second fixed column (21), one side of the second fixed column (21) is connected with a convex block (22), the bottom of the convex block (22) is connected with the top of the connecting plate (6), the bottom of the connecting plate (6) is connected with a connecting buffer plate (23), and the buffer plate (2)23 The bottom of the second telescopic column (24) is connected with a third buffer spring (25), the bottom of the second telescopic column (24) is connected with the inner wall of the shell (1), and the two buffer plates (23) are symmetrically distributed at the bottom of the connecting plate (6).
2. An SF as in claim 1 6 /N 2 The mixed gas vacuumizing inflator is characterized in that: the both sides of connecting plate (6) all are connected with supplementary slider (26), the inside cover of supplementary slider (26) is established and is connected with supplementary slide bar (27), the top and the bottom of supplementary slide bar (27) all with the inner wall connection of casing (1), supplementary spout (28) of using with supplementary slider (26) cooperation are seted up to the inner wall of casing (1).
3. An SF as in claim 1 6 /N 2 The mixed gas vacuumizing inflator is characterized in that: the opposite sides of the two moving blocks (11) are connected with buffering return springs (29), one sides, far away from the moving blocks (11), of the buffering return springs (29) are connected with the inner wall of the shell (1), and the buffering return springs (29) are sleeved on the surface of the limiting rod (12).
4. An SF as in claim 1 6 /N 2 The mixed gas vacuumizing inflator is characterized in that: one sides, away from the connecting block (7), the moving block (11), the sliding block (17) and the protruding block (22), of the first connecting column (8), the second connecting column (10), the first fixing column (19) and the second fixing column (21) are respectively connected with a limiting baffle (30), and the limiting baffle (30) is matched with the connecting rod (9) and the buffer rod (20) for use.
5. An SF as in claim 1 6 /N 2 The mixed gas vacuumizing inflator is characterized in that: the bottom of the moving block (11) is connected with a limiting slide block (32), and the inner wall of the shell (1) is provided with a limiting slide blockThe limiting slide block (32) is matched with a limiting slide groove (33).
6. An SF as in claim 1 6 /N 2 The mixed gas vacuumizing inflator is characterized in that: the quantity of buffer board (23), third buffer spring (25) and the flexible post of second (24) is a plurality of, buffer board (23), third buffer spring (25) and the flexible post of second (24) evenly distributed are in the bottom of connecting plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222165354.4U CN218235380U (en) | 2022-08-17 | 2022-08-17 | SF6/N2 mixed gas vacuumizing inflator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222165354.4U CN218235380U (en) | 2022-08-17 | 2022-08-17 | SF6/N2 mixed gas vacuumizing inflator |
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| Publication Number | Publication Date |
|---|---|
| CN218235380U true CN218235380U (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222165354.4U Active CN218235380U (en) | 2022-08-17 | 2022-08-17 | SF6/N2 mixed gas vacuumizing inflator |
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| Country | Link |
|---|---|
| CN (1) | CN218235380U (en) |
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2022
- 2022-08-17 CN CN202222165354.4U patent/CN218235380U/en active Active
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