CN215055948U - Airtight cabin - Google Patents
Airtight cabin Download PDFInfo
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- CN215055948U CN215055948U CN202120925417.4U CN202120925417U CN215055948U CN 215055948 U CN215055948 U CN 215055948U CN 202120925417 U CN202120925417 U CN 202120925417U CN 215055948 U CN215055948 U CN 215055948U
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- cabin body
- cabin
- connecting plate
- base cloth
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- 238000007789 sealing Methods 0.000 claims abstract description 37
- 239000004744 fabric Substances 0.000 claims description 54
- 238000009434 installation Methods 0.000 claims description 19
- 238000003466 welding Methods 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 239000002775 capsule Substances 0.000 claims 10
- 238000004321 preservation Methods 0.000 abstract 1
- 108010066057 cabin-1 Proteins 0.000 description 11
- 239000000463 material Substances 0.000 description 5
- 239000003292 glue Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model relates to a sealing device technical field such as article preservation usage, concretely relates to airtight cabin, including the cabin body and door plant, the downside of the cabin body is along the floor airtight connection rather than the mounted position, one side of the cabin body is provided with the opening, the door plant with the opening clearance fit setting on the cabin body, the cabin body all adopts the physiosis formula structure with the door plant, the door plant is equipped with the sealing device that is used for airtight cooperation between door plant and the cabin body with the adjacent department of the cabin body, sealing device includes the gasbag that the PVC film made and installs the gassing device on the gasbag, the gasbag is the strip structure and sets firmly in the outside of door plant along the position that corresponds the upper opening of the cabin body; the terminal surface that contacts with the gasbag on door plant outside edge and the cabin body open position is the concave surface, and both form and are used for holding the fixed slot of gasbag, it is inconsistent with two concave surfaces and forms airtight connection when the gasbag is aerifyd. The utility model provides a current airtight cabin relatively poor problem of convenience of use.
Description
Technical Field
The utility model relates to a sealing device technical field such as use is preserved to article, concretely relates to airtight cabin.
Background
The sealed airtight cabin is an artificial device for isolating the internal environment from the outside in order to carry out scientific experiments, store articles or meet the needs of survival.
The existing airtight cabin is mainly made of rigid materials in structure due to special use requirements, and as shown in CN112696614A, the technical scheme of the sealed cabin body for the underground pipeline positioning device comprises a protection cylinder, an upper joint and a shock pad; the protection cylinder and the upper joint are fixedly connected to form a cavity, and the whole pipeline positioning device is arranged in the cavity; the conical end at the bottom of the pipeline is matched and positioned with the groove at the bottom of the protection cylinder; the shock pad is arranged between the pipeline positioning device and the upper joint; the upper joint is sealed in a cavity through a radial sealing ring and an axial sealing ring; and a connector is arranged on the upper joint and is electrically connected with the pipeline positioning device. Although the special airtight cabin can meet the use requirement, the initial laying cost is high, and the requirements of early installation, later movement and the like are not facilitated.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an airtight cabin has solved the relatively poor problem of current airtight cabin convenience in use.
In order to achieve the purpose, the utility model is realized by the following technical proposal:
an airtight cabin comprises a cabin body and a door plate, wherein the lower side of the cabin body is connected with a floor of an installation position in an airtight manner, one side of the cabin body is provided with an opening, the door plate is arranged in a clearance fit manner with the opening on the cabin body, the cabin body and the door plate are of an inflatable structure and comprise space cloth and surrounding strips, the space cloth comprises upper base cloth and lower base cloth which have airtightness, the upper base cloth and the lower base cloth are fixedly connected through a plurality of stay wires, the surrounding strips are transversely arranged along the length direction and longitudinally arranged along the width direction, side edges of the surrounding strips positioned at two longitudinal sides are respectively upper side edges and lower side edges, the upper side edges and the lower side edges of the surrounding strips are respectively welded with the upper base cloth and the lower base cloth of the space cloth into a whole in a melting manner, at least one of the upper base cloth or the lower base cloth is provided with an inflation hole, the inflation hole is close to the melting welding position of the upper base cloth and the surrounding strips or the melting welding position of the lower base cloth and the surrounding strips, the inflation valve is arranged on the inflation hole and comprises an inner shell and an inflation valve body, the inner shell is arranged between the upper layer base cloth and the lower layer base cloth, and the inflation valve body is arranged on the outer side of the space cloth and is detachably connected with the inner shell;
the air bag is of a strip structure and is fixedly arranged at the position, corresponding to the opening on the cabin body, of the outer side edge of the door plate or fixedly arranged at the position, corresponding to the door plate, on the opening on the cabin body;
the door plant outside along and cabin body open position on with the terminal surface that the gasbag contacted is the concave surface, both form and are used for holding the fixed slot of gasbag, it is inconsistent with two concave surfaces and forms airtight connection when the gasbag is aerifyd.
Preferably, a connecting sheet fixedly connected with the air bag is arranged in the concave surface at the opening position of the outer side edge of the door panel or the cabin body, and the air bag is kept in the concave surface through the fixing position of the connecting sheet after being deflated.
Preferably, the inflation and deflation device comprises an inflation tube communicated with the inside of the air bag and an air bag inflation valve connected to the inflation tube, and the inflation tube extends out of a contact surface between the air bag and the door panel and the cabin body.
Preferably, a connecting plate is arranged between the lower side edge of the cabin body and the floor at the installation position of the cabin body, a sealing gasket is arranged at the bottom of the connecting plate, the connecting plate is bonded with the floor, and the upper end of the connecting plate is fixedly connected with the lower side edge of the cabin body through a waterproof airtight zipper.
Preferably, the downside of the cabin body is provided with a connecting plate along rather than between the floor of mounted position, the bottom of connecting plate is provided with sealed the pad, through a plurality of screw spiro union between connecting plate and the floor, the upper end of connecting plate with the downside of the cabin body is along through a waterproof airtight zip fastener fixed connection.
Preferably, the sealing gasket is arranged at the bottom of the connecting plate close to one side of the cabin body, the screw does not penetrate through the sealing gasket, and the connecting plate is extruded after being screwed to deform and extrude the sealing gasket.
Preferably, the structure of the concave surface is an arc surface or a step surface.
Preferably, one side of the door panel is fixedly connected with the cabin body, so that the door panel is rotatably attached to the cabin body.
Preferably, the cabin body is of a cuboid structure or a hemispherical structure.
Preferably, the door panel is a structure with three sides connected with the cabin body and the bottom connected with the ground when being installed, and an elastic sealing gasket used for being in sealing connection with the floor is embedded in the bottom of the door panel.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the utility model adopts the space cloth made of the air tightness material as the foundation of the cabin body and the door plate, the space cloth is inflated to form a three-dimensional structure when needed, and the structural stability is stronger after the air inflation due to the special wire drawing structure, after the cabin body is installed and fixed, the door plate is hermetically connected with the opening on the cabin body through the sealing device, and the installation of the air tight cabin structure is completed; when the air-tight cabin is not needed, the door plate and the cabin body can be separated through air discharge, and meanwhile, the structure of the door plate and the cabin body is changed into a curled sheet shape through air discharge, compared with the traditional air-tight cabin structure, the air-tight cabin has the advantages of simple structure, light weight, convenience for logistics transportation, and capability of solving pain points of transportation and storage;
the physiosis formula structure of the cabin body and door plant, adopt the segmentation welding during the welding, and because near the last welding position is located to the inflation hole, be convenient for take out straight backing plate from the space cloth after the welding of being convenient for is accomplished, and the inflation valve adopts split type, be convenient for install, the problem of how the inboard mould shifted out after having solved high frequency welding, and the installation fixed problem of inflation valve, make the adhesion state between space cloth and the surrounding strip reach the best, the bulk strength of goods has been improved greatly, avoid current space gas distribution bloated formula goods because adopt the problem of the ageing gas leakage that causes of glue behind the glue bonding, great life and the structural stability who has prolonged.
Drawings
Fig. 1 is an exploded schematic view of a first embodiment of the present invention;
fig. 2 is a schematic view of an installation structure of a middle door panel, an airbag and a cabin body according to an embodiment of the present invention;
fig. 3 is a schematic view of the basic structure of a door panel and a cabin body according to an embodiment of the present invention;
FIG. 4 is a schematic view of an installation structure of a cabin and a connecting plate according to an embodiment of the present invention;
fig. 5 is an exploded schematic view of a second embodiment of the present invention;
FIG. 6 is a schematic view of an installation structure of a second chamber and a connecting plate according to an embodiment of the present invention;
fig. 7 is a schematic view of an installation structure between a two-door panel and an installation site floor according to an embodiment of the present invention.
Detailed Description
The following detailed description will be given with reference to specific embodiments, so as to solve the technical problems by applying technical means, and to fully understand and implement the technical effects of the present invention.
Example one
Referring to fig. 1, 2, 3 and 4, an airtight cabin includes a cabin body 1 and a door panel 2, the lower side of the cabin body 1 is connected to a floor of an installation position thereof in an airtight manner, one side of the cabin body 1 is provided with an opening 11, the door panel 2 is arranged in clearance fit with the opening 11 on the cabin body 1, specifically, the cabin body 1 is of a cuboid structure, meanwhile, the opening 11 and the door panel 2 are also of a square structure, the opening 11 is not connected to the lower side of the cabin body 1 (i.e. the edge of the door panel 2 is matched with the opening edge of the cabin body 1), the cabin body 1 and the door panel 2 both adopt an inflatable structure, which includes a surrounding strip 20 made of a space cloth 10 and a TPU material, the space cloth 10 includes an upper base cloth 101 and a lower base cloth 102 made of an airtight TPU material, the upper base cloth 101 and the lower base cloth 102 are fixedly connected by a plurality of stay wires 103, the surrounding strip 20 is provided with a transverse direction along the length direction and a longitudinal direction along the width direction, the side edges of the surrounding strip 20 positioned at two longitudinal sides are defined as an upper side edge and a lower side edge respectively, the upper side edge and the lower side edge of the surrounding strip are respectively welded with an upper layer base cloth 101 and a lower layer base cloth 102 of the space cloth 10 into a whole in a melting way, an inflation hole is arranged on the upper layer base cloth 101 and is close to the melting welding position of the upper layer base cloth 101 and the surrounding strip 20, an inflation valve is arranged on the inflation hole and comprises an inner shell 104 and an inflation valve body 105, the inner shell 104 is arranged between the upper layer base cloth 101 and the lower layer base cloth 102, and the inflation valve body 105 is arranged outside the space cloth 10 and is detachably connected with the inner shell 104; the inflatable structure of the cabin 1 and the door panel 2 adopts sectional welding during welding, and because the inflation hole is arranged near the last welding position, the straight backing plate can be conveniently taken out of the space cloth 10 after the welding is finished, the inflation valve adopts a split type and is convenient to install, and the problems of how to move out the inner side die after the high-frequency welding is finished and the installation and fixation of the inflation valve are solved, so that the bonding state between the space cloth 10 and the surrounding strip 20 is optimal, the integral strength of the product is greatly improved, the problem of air leakage caused by aging of glue after the glue is used for bonding the existing space air-distributing inflatable product is avoided, the service life and the structural stability are greatly prolonged, and the specific manufacturing method refers to the prior application CN112549558A of the applicant;
a sealing device for airtight matching between the door panel 2 and the cabin body 1 is arranged at the joint of the door panel 2 and the cabin body 1, the sealing device comprises an air bag 3 made of a PVC film and an air charging and discharging device (not shown in the figure) arranged on the air bag 3 and used for charging and discharging air of the air bag, the air bag 3 is of a strip structure and is fixedly arranged at the position of the outer side edge of the door panel 2 corresponding to the upper opening 11 of the cabin body 1 (or can be fixedly arranged at the position of the opening 11 of the cabin body 1 corresponding to the door panel 2);
the outer side edge of the door panel 2 and the end face, which is in contact with the air bag 3, of the opening 11 of the cabin body 1 are concave surfaces 3a, the concave surfaces and the end face form a fixed clamping groove 4 for accommodating the air bag 3, and the air bag 3 is in contact with the two concave surfaces 3a to form airtight connection when being inflated; specifically, the structure of the concave surface 3a is an arc-shaped surface, the air bag 3 is also a cylindrical strip-shaped structure, after the air bag 3 is inflated, the air bag 3 presses the two concave surfaces 3a to a certain degree, the pressing area can be increased through the concave surface 3a with the arc-shaped structure, and the air tightness of the connection at the position is further ensured; meanwhile, the concave surface 3a can also be a step surface, and the corresponding air bag is of a square columnar structure;
the space cloth 10 made of airtight materials is used as the foundation of the cabin body 1 and the door plate 2, the space cloth is inflated to form a three-dimensional structure when needed, and due to the special wire drawing structure, the structural stability is strong after the space cloth is inflated, and after the cabin body 1 is installed and fixed, the door plate 2 is hermetically connected with an opening 11 on the cabin body 1 through a sealing device, so that the installation of the airtight cabin structure is completed; when the air-tight cabin is not needed, the door panel 2 can be separated from the cabin body 1 through air discharge, and meanwhile, the door panel 2 and the cabin body 1 are changed into a curled sheet shape through air discharge, so that compared with the traditional air-tight cabin structure, the air-tight cabin has the advantages of simple structure, light weight, convenience in logistics transportation and solving the pain points of transportation and storage;
in this embodiment, a connecting piece 5 (which may also be disposed in the concave surface 3a at the position of the opening 11 of the cabin 1) fixedly connected to the airbag 3 is disposed along the outer side edge of the door panel 2, and the airbag 3 is held in the concave surface 3a by the fixing position of the connecting piece 5 after being deflated. Specifically, in production, the concave surface 3a is positioned on the surrounding strip 20, the connecting piece 5 is welded on the surrounding strip 20 in advance before the surrounding strip 20 is formed, or the air bag 3 is welded with the connecting piece 5 in advance before the connecting piece 5 is welded with the surrounding strip 20;
in this embodiment, the inflation and deflation device comprises an inflation tube 31 communicated with the inside of the airbag 3 and an airbag inflation valve (not shown in the figure) connected to the inflation tube 31, and the inflation tube 31 extends out of the contact surface between the airbag 3 and the door panel 2 and the cabin body 1; specifically, the inflation tube 31 extends outwards from the joint between the airbag 3 and the door panel 2 and the cabin body 1, and is arranged on the side of the airbag 3 not in contact with the door panel 2 and the cabin body 1, so that the sealing connection between the airbag 3 and the door panel 2 and the cabin body 1 is not affected; when needed, the door panel 2 and the cabin body 1 can be assembled and disassembled by directly inflating and deflating the air bag 3 through the external inflation tube 31;
in this embodiment, a connecting plate 6 is arranged between the lower edge of the cabin 1 and the floor at the installation position thereof, a sealing gasket 61 is arranged at the bottom of the connecting plate 6, the connecting plate 6 is bonded with the floor, and the upper end of the connecting plate 6 is fixedly connected with the lower edge of the cabin 1 through a waterproof airtight zipper 7; when the waterproof airtight zipper is installed, the connecting plate 6 is bonded with the floor, one chain belt of the waterproof airtight zipper 7 is installed on the upper surface of the connecting plate 6, and the other chain belt of the waterproof airtight zipper 7 is installed on the lower side edge of the cabin body 1 and is pulled to complete structural connection; the pulling-closing process can be carried out before the cabin body 1 is not inflated, and the flexible structure can be better used for structural installation;
the connecting plate 6 is of an adhesive structure and is mainly used for the condition that the ground to be installed is relatively flat and can be stably connected; specifically, the specific structure of the waterproof airtight zipper 7 is as shown in CN 201663971U of the applicant's prior application, or as shown in the prior application of "quanzhou city letter constant outdoor products limited" of the company to which the applicant belongs, and the specific structure is not specifically stated herein, and the technical scheme of the cost application can be achieved;
in this embodiment, one side of the door panel 2 is fixedly connected to the cabin 1, so that the door panel 2 is rotatably attached to the cabin 1; in the production process, one side of the door panel 2 is welded with one side of the opening 11 of the cabin 1, so that the door panel 2 can rotate at the opening 11 of the cabin 1 like a hinged structure after the technical scheme of the embodiment is inflated and formed.
Meanwhile, when necessary, the cabin body 1 can be integrally designed to be of a hemispherical structure.
Example two
Referring to fig. 5, compared with the first embodiment, in the present embodiment, a connecting plate 6 is disposed between the lower edge of the cabin 1 and the floor at the installation position thereof, a sealing pad 61 is disposed at the bottom of the connecting plate 6, the connecting plate 6 is screwed with the floor via a plurality of screws 62, and the upper end of the connecting plate 6 is fixedly connected with the lower edge of the cabin 1 via a waterproof airtight zipper 7; specifically, sealed pad 61 is located and is close to the connecting plate 6 bottom of the cabin body 1 one side, screw 62 does not pass sealed pad 61, and the spiro union back extrusion connecting plate 6 makes it take place deformation and extrusion sealed pad 61. Specifically, in the structure, after the screw 62 is fixedly connected with the floor, the connecting plate 6 is extruded to deform, and then the sealing gasket 61 is extruded to ensure that the sealing gasket 61 is tightly connected with the floor, so that the air tightness after installation is ensured;
meanwhile, a certain hollow space 63 is formed between the connecting plate 6 and the sealing gasket 61 as well as between the connecting plate and the floor, and liquid can be filled in the hollow space 63 when needed, so that another sealing structure is formed on the outer side of the sealing gasket 61;
referring to fig. 6, compared with the first embodiment, when the door panel 2 is installed, the three sides of the door panel are connected with the cabin 1, and the bottom of the door panel is connected with the ground, an elastic sealing gasket 21 for sealing connection with the floor is embedded in the bottom of the door panel 2, specifically, the cross section of the elastic sealing gasket 21 is a right trapezoid, the inclined side 21a of the elastic sealing gasket is arranged at one end close to the ground, and after the door panel 2 is installed, the elastic sealing gasket 21 is pressed to ensure that the air tightness between the door panel 2 and the ground can be ensured.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A capsule, characterized by: the floor sealing structure comprises a cabin body and a door plate, wherein the lower side of the cabin body is connected with a floor of an installation position in an air sealing manner, one side of the cabin body is provided with an opening, the door plate is arranged in a clearance fit manner with the opening on the cabin body, the cabin body and the door plate are of an inflatable structure and comprise a space cloth and a surrounding strip, the space cloth comprises an upper layer base cloth and a lower layer base cloth which have air tightness, the upper layer base cloth and the lower layer base cloth are fixedly connected through a plurality of stay wires, the surrounding strip is provided with a transverse direction along a length direction and a longitudinal direction along a width direction, the side edges of the surrounding strip, which are positioned at two longitudinal sides, are respectively an upper side edge and a lower side edge, the upper side edge and the lower side edge of the surrounding strip are respectively welded with the upper layer base cloth and the lower layer base cloth of the space cloth into a whole in a melting manner, at least one of the upper layer base cloth or the lower layer base cloth is provided with an inflation hole, the inflation hole is close to the melting welding position of the upper layer base cloth and the surrounding strip, the inflation valve is arranged on the inflation hole and comprises an inner shell and an inflation valve body, the inner shell is arranged between the upper layer base cloth and the lower layer base cloth, and the inflation valve body is arranged on the outer side of the space cloth and is detachably connected with the inner shell;
the air bag is of a strip structure and is fixedly arranged at the position, corresponding to the opening on the cabin body, of the outer side edge of the door plate or fixedly arranged at the position, corresponding to the door plate, on the opening on the cabin body;
the door plant outside along and cabin body open position on with the terminal surface that the gasbag contacted is the concave surface, both form and are used for holding the fixed slot of gasbag, it is inconsistent with two concave surfaces and forms airtight connection when the gasbag is aerifyd.
2. The capsule according to claim 1, wherein: the air bag is characterized in that a connecting sheet fixedly connected with the air bag is arranged in the concave surface at the opening position of the outer side edge of the door panel or the cabin body, and the air bag is kept in the concave surface through the fixing position of the connecting sheet after being deflated.
3. The capsule according to claim 2, wherein: the inflation and deflation device comprises an inflation tube communicated with the inside of the air bag and an air bag inflation valve connected to the inflation tube, and the inflation tube extends out of a contact surface between the air bag and the door panel and the cabin body.
4. The capsule according to claim 3, wherein: the lower side of the cabin body is provided with a connecting plate along the floor of the installation position, the bottom of the connecting plate is provided with a sealing gasket, the connecting plate is bonded with the floor, and the upper end of the connecting plate is fixedly connected with the lower side of the cabin body along a waterproof airtight zipper.
5. The capsule according to claim 3, wherein: the downside of the cabin body is provided with a connecting plate along rather than between the floor of mounted position, the bottom of connecting plate is provided with sealed the pad, through a plurality of screw spiro union between connecting plate and the floor, the upper end of connecting plate with the downside of the cabin body is along through a waterproof airtight zip fastener fixed connection.
6. The capsule of claim 5, wherein: the sealing gasket is arranged at the bottom of the connecting plate close to one side of the cabin body, the screw does not penetrate through the sealing gasket, and the connecting plate is extruded after being screwed to deform and extrude the sealing gasket.
7. A capsule according to any of claims 1-6, wherein: the structure of concave surface is arcwall face or ladder face.
8. A capsule according to any of claims 1-6, wherein: one side of the door panel is fixedly connected with the cabin body, so that the door panel is rotatably attached to the cabin body.
9. A capsule according to any of claims 1-6, wherein: the cabin body is of a cuboid structure or a hemispherical structure.
10. A capsule according to any of claims 1-6, wherein: the door plate is a structure with three sides connected with the cabin body and the bottom connected with the ground when being installed, and an elastic sealing gasket used for being in sealing connection with the floor is embedded in the bottom position of the door plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120925417.4U CN215055948U (en) | 2021-04-30 | 2021-04-30 | Airtight cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120925417.4U CN215055948U (en) | 2021-04-30 | 2021-04-30 | Airtight cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215055948U true CN215055948U (en) | 2021-12-07 |
Family
ID=79107999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120925417.4U Expired - Fee Related CN215055948U (en) | 2021-04-30 | 2021-04-30 | Airtight cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215055948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382681A (en) * | 2021-12-27 | 2022-04-22 | 徐州本色电力设备科技有限公司 | Air compressor machine of copper aluminium wire for intelligent manufacturing |
-
2021
- 2021-04-30 CN CN202120925417.4U patent/CN215055948U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382681A (en) * | 2021-12-27 | 2022-04-22 | 徐州本色电力设备科技有限公司 | Air compressor machine of copper aluminium wire for intelligent manufacturing |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |