CN211316427U - Door plate structure for inter-row air conditioner and inter-row air conditioner - Google Patents
Door plate structure for inter-row air conditioner and inter-row air conditioner Download PDFInfo
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- CN211316427U CN211316427U CN201922010163.9U CN201922010163U CN211316427U CN 211316427 U CN211316427 U CN 211316427U CN 201922010163 U CN201922010163 U CN 201922010163U CN 211316427 U CN211316427 U CN 211316427U
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Abstract
The utility model discloses a door plant structure and air conditioner between row for air conditioner between row, this door plant structure include plate body and wind direction guiding mechanism, be provided with the exhaust vent on the plate body, the inboard of plate body is enclosed and is closed formation installation cavity, wind direction guiding mechanism includes that frame and detachably install aviation baffle on the frame, frame detachably installs in the installation cavity, the aviation baffle activity sets up, and with the frame encloses to close and forms the air-out passageway, through the adjustment the aviation baffle for the position of exhaust vent can form the air-out passageway that has different air-out directions, the frame reaches the aviation baffle is the sheet metal component. The utility model discloses can realize air-out direction adjustable purpose on the basis of simplifying technology, reduce cost, reducing production cycle and improving the assembly flexibility.
Description
Technical Field
The utility model relates to an air conditioning technology field especially relates to an air-out door plant and air conditioner between row for air conditioner between row.
Background
The inter-row air conditioner is a device which is arranged between the server cabinets and is directly radiated by approaching a heat source, a middle channel at the air outlet side of the inter-row air conditioner arranged in the server cabinets is a cold channel, and the air outlet direction of the inter-row air conditioner needs to be adjusted under the condition that the servers are unevenly radiated or the servers need to radiate heat in a targeted manner in the cold channel.
The existing inter-row air conditioner is provided with an air outlet door plate at the air outlet side, and the air outlet door plate is generally only uniformly distributed with air outlet holes on the plate surface, so that the inter-row air conditioner generally only has a positive front air outlet mode, and the air outlet direction is not adjustable; in addition, some inter-row air conditioners can be additionally provided with adjustable shutter fences on the air outlet door plate, so that the inter-row air conditioners have the function of adjusting the air outlet direction, but the adjustable shutter fences need to be manufactured by independent die sinking, the process is complex, the cost is high, the production period is long, and flexible assembly with the air outlet door plate is difficult to realize.
SUMMERY OF THE UTILITY MODEL
The utility model provides a door plant structure and air conditioner between row for air conditioner between row can realize air-out direction adjustable purpose on the basis of simplifying technology, reduce cost, reducing production cycle and improving assembly flexibility.
To this end, according to a first aspect, an embodiment provides a door panel structure for a train room air conditioner, comprising:
the air outlet is formed in the plate body, and an installation cavity is formed by enclosing the inner side of the plate body;
the wind direction adjusting mechanism comprises a frame and a wind deflector detachably mounted on the frame, the frame is detachably mounted in the mounting cavity, the wind deflector is movably arranged and surrounds the frame to form a wind outlet channel, the wind deflector can form the wind outlet channel with different wind outlet directions by adjusting the position of the wind deflector relative to the wind outlet hole, and the frame and the wind deflector are sheet metal parts.
As a further alternative of the door panel structure, the air deflector is rotatably mounted on the frame by a rotating member.
As a further alternative of the door panel structure, the frame at least comprises a first frame body and a second frame body which are arranged oppositely, and the air deflector is rotatably installed between the first frame body and the second frame body.
As a further alternative of the door panel structure, the plate body is of a rectangular structure, the installation cavity is formed by inward folding of the edge of the plate body, the first frame body and the second frame body are both in a long strip shape and are arranged in parallel, the air deflectors are multiple, the air deflectors are arranged between the first frame body and the second frame body in parallel, and each air deflector is perpendicular to the first frame body.
As a further alternative of the door panel structure, the end portions of the first frame body and the second frame body are bent along a direction parallel to the air deflector to form a first mounting portion and a second mounting portion respectively, and the first mounting portion and the second mounting portion are used for mounting the air direction adjusting mechanism in the mounting cavity along a length direction parallel to the mounting cavity, so that the extending direction of the air deflector is parallel to the length direction of the mounting cavity.
As a further alternative of the door panel structure, the end portions of the first frame body and the second frame body are respectively provided with a first mounting hole and a second mounting hole, and the first mounting hole and the second mounting hole are used for mounting the wind direction adjusting mechanism in the mounting cavity in a width direction parallel to the mounting cavity, so that the extending direction of the wind deflector is parallel to the width direction of the mounting cavity.
As a further alternative of the door panel structure, the first frame body and the second frame body are further provided with an outward extending edge covering at one side in the length direction thereof, and the edge covering is used for covering the side wall of the installation cavity.
As a further alternative of the door panel structure, the wind direction adjusting mechanism further comprises a combined adjusting assembly, the combined adjusting assembly is connected with each wind deflector, and the wind deflectors can be driven to synchronously rotate by applying acting force to the combined adjusting assembly.
As a further alternative of the door panel structure, the joint adjusting assembly includes a connecting strip perpendicular to each of the air deflectors, a connecting portion is provided at a corresponding position of each of the air deflectors, and the connecting strip is connected to each of the connecting portions.
According to a second aspect, an embodiment provides an inter-row air conditioner comprising a door panel structure according to the first aspect of the invention.
Has the advantages that:
according to the door plate structure for the inter-row air conditioner and the inter-row air conditioner in the embodiment, the wind direction adjusting mechanism is detachably installed in the installation cavity, the frame and the air deflector of the wind direction adjusting mechanism are detachably assembled, the whole wind direction adjusting mechanism and the assembling relation between the whole wind direction adjusting mechanism and the installation cavity are simplified, each part can form the door plate structure in an assembling mode, the assembling flexibility of the door plate structure can be improved, on the other hand, an air outlet channel with different air outlet directions can be formed by adjusting the position of the air deflector, the door plate structure has the function of adjusting the air outlet direction, on the other hand, the frame and the air deflector are made of sheet metal parts, namely, the frame and the air deflector can be manufactured through a sheet metal process, the process can be simplified, the cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
fig. 1 is an exploded schematic view of an inter-row air conditioner according to an embodiment of the present invention;
fig. 2 is a top view of an inter-row air conditioner according to an embodiment of the present invention;
fig. 3 is a side view of an inter-row air conditioner according to an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of a door panel structure provided according to an embodiment of the present invention;
fig. 5 shows an exploded schematic view of a door panel structure according to an embodiment of the present invention.
Description of the main element symbols:
100-a host; 200-door panel construction; 110-the air inlet side; 120-air outlet side; 201-an air outlet channel; 210-a plate body; 220-wind direction adjusting mechanism; 211-a mounting cavity; 221-a frame; 222-a wind deflector; 223-a joint adjustment component; 2211-first frame; 2212-second frame; 2221-a lug; 2222-connecting part; 2231-a connecting strip; 2211 a-a first plate; 2211b — first mounting portion; 2211c — first mounting hole; 2211 d-edge wrapping; 2212 a-a second plate; 2212 b-second mount; 2212 c-second mounting hole.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiment of the utility model provides an in provide an air conditioner between being listed as is applicable to the computer lab environment, can dispel the heat to the equipment in the computer lab well.
Referring to fig. 1-3, the train room air conditioner includes a main unit 100 and a door structure 200, wherein the main unit 100 has an air inlet side 110 and an air outlet side 120, the door structure 200 is disposed on the air outlet side 120 of the main unit 100, and a sealing ring or the like may be disposed between the door structure 200 and the main unit 100 to increase the sealing performance of the assembly of the two.
It can be understood that the aforementioned main unit 100 is the remaining part of the train room air conditioner after removing the door panel structure 200, and may adopt the same structure as the prior art, for example, the main unit 100 may be a cubic structure, and includes a cubic housing, the housing may be made of thick cold-rolled plate, black plastic powder is coated on the exterior, sound-absorbing and heat-insulating material is lined on the interior, so as to ensure good sealing performance, prevent air leakage to ensure heat exchange effect, and effectively reduce noise, and components such as a fan, a compressor, an evaporator, a condenser, etc. may be arranged inside the housing, and these components constitute a refrigeration cycle system.
In the embodiment of the present invention, please refer to fig. 1 and 4-5, the door panel structure 200 includes a panel body 210 and a wind direction adjusting mechanism 220, an air outlet is provided on the panel body 210, the inner side of the panel body 210 encloses and closes to form an installation cavity 211, the wind direction adjusting mechanism 220 includes a frame 221 and a wind deflector 222 detachably mounted on the frame 221, the frame 221 is detachably mounted in the installation cavity 211, the wind deflector 222 is movably disposed, and encloses and closes with the frame 221 to form an air outlet channel 201, an air outlet channel 201 with different air outlet directions can be formed by adjusting the position of the wind deflector 222 relative to the air outlet, and the frame 221 and the wind deflector 222 are sheet metal parts.
In the present application, since the wind direction adjusting mechanism 220 is detachably installed in the installation cavity 211, and the frame 221 and the wind deflector 222 of the wind direction adjusting mechanism 220 are also detachably assembled, the whole wind direction adjusting mechanism 220 and the assembling relation with the mounting cavity 211 are simplified, the assembly can be realized through assembling connecting pieces such as bolts, the assembly of the door panel structure 200 can be simplified, each part can form the door panel structure in an assembling mode, the assembly flexibility of the door panel structure can be improved, on the other hand, the air outlet channel 201 with different air outlet directions can be formed by adjusting the position of the air deflector 222, the door panel structure 200 has the function of adjusting the air outlet direction, and on the other hand, because the frame 221 and the air deflector 222 are both sheet metal parts, that is, the frame 221 and the air deflector 222 can be manufactured by sheet metal process, which can simplify the process, reduce the cost and shorten the production period.
In addition, the adjustable tripe fence that traditional install additional on the air-out door plant generally adopts plastics to make, and its colour is difficult to and is listed as the air conditioner unanimous, and the embodiment of the utility model provides an air direction guiding mechanism 220 is owing to adopt the sheet metal component assembly to form, and the outward appearance colour can keep unanimous with the spraying colour of being listed as the air conditioner completely, guarantees the harmony and the aesthetic property of the whole outward appearance of air conditioner between being listed as.
It should be noted that the specific shape of the plate body 210 is not limited herein, and the plate body 210 is generally a rectangular parallelepiped structure, but it is understood that the plate body 210 may be manufactured to have other shapes and structures.
In addition, the wind deflector 222 may be rotatably mounted on the frame 221, for example, by a rotating member such as a rotating shaft or a pin, but it should be understood that the rotation is not the only mounting manner, and in some embodiments, the wind deflector 222 may also be mounted on the frame 221 in a linear motion manner such as a telescopic motion, and the wind outlet channel 201 with different wind directions may also be assembled by changing the combination of the extending different wind deflectors 222.
In one embodiment, the frame 221 includes a first body 2211 and a second body 2212 which are oppositely arranged, and the air deflector 222 is rotatably installed between the first body 2211 and the second body 2212.
The first frame body 2211 and the second frame body 2212 are oppositely arranged, an installation area for installing the air deflector 222 is formed between the first frame body 2211 and the second frame body 2212, the first frame body 2211 and the second frame body 2212 can be arranged in parallel or at a certain included angle, and a specific arrangement scheme can be selected according to a specific shape of the plate body 210 and an actual wind direction requirement.
For convenience of understanding, a plate body 210 with a rectangular parallelepiped structure is taken as an example for description, an edge of the plate body 210 is turned inward to form a mounting cavity 211, at this time, the mounting cavity 211 is also shaped like a rectangular parallelepiped, and the first frame body 2211 and the second frame body 2212 may be mounted on the edge of the plate body 210 and located in the mounting cavity 211.
As a preferable scheme, in order to adapt to the rectangular installation cavity 211 and utilize the coverage area of the installation cavity 211 to the maximum extent to ensure the uniformity of the outlet air, please refer to fig. 4-5, the first frame body 2211 and the second frame body 2212 are both strip-shaped and arranged in parallel, a plurality of air deflectors 222 are arranged between the first frame body 2211 and the second frame body 2212 in parallel, and each air deflector 222 is perpendicular to the first frame body 2211.
Specifically, the first frame body 2211 includes a first plate 2211a, the second frame body 2212 includes a second plate 2212a, the first plate 2211a and the second plate 2212a are disposed opposite to each other and respectively define a plane, the planes of the first plate 2211a and the second plate 2212a are parallel to each other, two ends of the air guiding plate 222 are respectively mounted on the first plate 2211a and the second plate 2212a, in order to achieve the rotational mounting of the air guiding plate 222, an end of the air guiding plate 222 may extend outward to form a lug 2221, and at this time, the mounting may be completed by disposing the aforementioned rotating members between the lug 2221 and the first plate 2211a and between the lug 2221 and the second plate 2212 a.
At this time, it can be known that, after the plurality of air deflectors 222 are installed in the frame 221, the first frame body 2211, the second frame body 2212 and the air deflectors 222 can enclose the air outlet channel 201, and the air outlet direction of the air outlet channel 201 can be changed by rotating the air deflectors 222.
In some specific embodiments, end portions (which may be one end or both ends) of the first frame body 2211 and the second frame body 2212 are bent along a direction parallel to the air deflector 222 to form a first mounting portion 2211b and a second mounting portion 2212b, respectively, for mounting the air direction adjusting mechanism 220 in the mounting cavity 211 in a direction parallel to a length direction of the mounting cavity 211, so that an extending direction of the air deflector 222 is parallel to the length direction of the mounting cavity 211.
Therefore, the rotation direction of the air deflector 222 is perpendicular to the length direction of the mounting cavity 211, that is, the rotation direction of the air deflector 222 is parallel to the width direction of the mounting cavity 211, and the air outlet direction in the width direction can be adjusted by rotating the air deflector 222.
It is easy to understand that, taking the orientation shown in fig. 1 as an example for description, the length direction can be understood as a vertical direction, the width direction can be understood as a horizontal direction, and the air outlet direction adjustable in the width direction by rotating the air guiding plate 222 can be understood as an air outlet direction adjustable in the horizontal direction.
In other specific embodiments, a first mounting hole 2211c and a second mounting hole 2212c are respectively disposed at end portions (which may be at one end or at both ends) of the first frame body 2211 and the second frame body 2212, and are used to mount the wind direction adjusting mechanism 220 in the mounting cavity 211 in a direction parallel to the width direction of the mounting cavity 211, so that the extending direction of the wind guide plate 222 is parallel to the width direction of the mounting cavity 211.
Therefore, the rotation direction of the air deflector 222 is perpendicular to the width direction of the mounting cavity 211, that is, the rotation direction of the air deflector 222 is parallel to the length direction of the mounting cavity 211, and the air outlet direction in the length direction can be adjusted by rotating the air deflector 222.
It is easy to understand that, taking the orientation shown in fig. 1 as an example, the air outlet direction adjustable in the width direction by rotating the air guiding plate 222 can be understood as the air outlet direction adjustable in the vertical direction.
In other specific embodiments, the first mounting portion 2211b and the first mounting hole 2212c, and the second mounting portion 2212b and the second mounting hole 2212c may be functionally replaced, in other words, taking the first frame body 2211 as an example, the wind direction adjusting mechanism 220 may be mounted in the mounting cavity 211 through the first mounting hole 2211c in a direction parallel to the length direction of the mounting cavity 211, or the wind direction adjusting mechanism 220 may be mounted in the mounting cavity 211 through the first mounting portion 2211a in a direction parallel to the width direction of the mounting cavity 211.
It should be noted that, the installation of the wind direction adjustment mechanism 220 is described herein by taking only the first installation portion 2211b and the second installation portion 2212b, and the first installation hole 2211c and the second installation hole 2212c as examples, and it is understood that the installation of the wind direction adjustment mechanism 220 may be realized by other various means, for example, a snap structure may be adopted.
It should be noted that, after the whole wind direction adjusting mechanism 220 is installed in the installation cavity 211, the length direction of the wind deflector 222 may be parallel to the length direction of the installation cavity 211, may also be perpendicular to the length direction of the installation cavity 211, or both parallel and perpendicular to the length direction of the installation cavity 211, as shown in fig. 1, the assembly between the wind direction adjusting mechanism 220 and the plate body 210 is flexible and changeable, and a variety of door panel structures 200 may be formed.
When the length direction of the air deflector 222 is perpendicular to the length direction of the installation cavity 211, in order to ensure the stability and the aesthetic property of the structure, the first frame body 2211 and the second frame body 2212 are further provided with an outward extending edge 2211d at one side of the length direction thereof for wrapping the side wall of the installation cavity 211.
In some embodiments, the wind direction adjusting mechanism 220 further includes a joint adjusting assembly 223, the joint adjusting assembly 223 is connected to each wind deflector 222, and the wind deflectors 222 can be driven to rotate synchronously by applying a force to the joint adjusting assembly 223.
Through the arrangement of the combined adjusting component 223, the air deflector 222 can be adjusted conveniently, and only the combined adjusting component 223 needs to be controlled.
It should be noted that the joint adjusting assembly 223 can be manually operated, or the joint adjusting assembly 223 can be disposed on some driving member capable of being controlled, for example, the joint adjusting assembly 223 can be disposed on an air cylinder, and the air cylinder drives the joint adjusting assembly 223 to move, so as to achieve automatic adjustment of the air deflector 222.
Specifically, the joint adjustment assembly 223 includes a connecting bar 2231 vertically disposed with each air guiding plate 222, a connecting portion 2222 is disposed at a corresponding position of each air guiding plate 222, and the connecting bar 2231 is connected with each connecting portion 2222.
More specifically, one side of each air deflection plate 222 is protruded outward to form a connection portion 2222, and a plurality of connection portions 2222 may be connected in a straight line, and the connection bar 2231 may be mounted to the respective connection portions 2222 by the engagement of the alignment pins and the split pins.
Here, the linear shape of the connecting bar 2231 is advantageous to save the space occupied by the wind guide plate 222 and minimize the influence of the connecting bar 2231 on the wind current, but it should be understood that the specific shape of the connecting bar 2231 is not limited thereto.
The connecting bar 2231 may be configured in various shapes, such as a cylindrical shape or a rectangular parallelepiped shape, and when the connecting bar 2231 is in the rectangular parallelepiped shape, the wide surface of the connecting bar 2231 should be installed as far as possible from the air outlet channel 201, for example, in the example shown in fig. 4, the width direction of the connecting bar 2231 is perpendicular to the air deflector 222, and only the narrow surface of the connecting bar 2231 is opposite to the wind direction, so that the influence on the wind flow can be reduced
In another embodiment, the frame 221 may include a first frame 2211, a second frame 2212, a third frame (not shown), and a fourth frame (not shown), the first frame 2211, the second frame 2212, the third frame, and the fourth frame may be connected end to form a rectangular parallelepiped structure, in which case the frame 221 may also be installed in the installation cavity 211, and the wind deflectors 222 may also be installed in the frame 221.
In other embodiments, the frame 221 may be designed in other structures, such as a circular shape, etc., which is not limited herein.
The embodiment of the utility model provides an in door plant structure 200 accessible simple sheet metal process manufacturing form, with low costs, production cycle is short, and it can carry out adaptability design and assembly according to the air-out door plant of existing usefulness in the computer lab, and is simple swift to this door plant structure 200 simple structure, use and maintenance convenience.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A door panel structure for a train air conditioner, comprising:
the air outlet is formed in the plate body, and an installation cavity is formed by enclosing the inner side of the plate body;
the wind direction adjusting mechanism comprises a frame and a wind deflector detachably mounted on the frame, the frame is detachably mounted in the mounting cavity, the wind deflector is movably arranged and surrounds the frame to form a wind outlet channel, the wind deflector can form the wind outlet channel with different wind outlet directions by adjusting the position of the wind deflector relative to the wind outlet hole, and the frame and the wind deflector are sheet metal parts.
2. The door panel structure for a train air conditioner according to claim 1, wherein the air guide plate is rotatably installed on the frame by a rotating member.
3. The door panel structure for a train air conditioner according to claim 2, wherein the frame comprises at least a first frame body and a second frame body which are oppositely arranged, and the air deflector is rotatably installed between the first frame body and the second frame body.
4. The door panel structure according to claim 3, wherein the panel body has a rectangular parallelepiped shape, the installation cavity is formed by folding the edge of the panel body inward, the first frame body and the second frame body are both elongated and arranged in parallel, the plurality of air deflectors are arranged in parallel between the first frame body and the second frame body, and each air deflector is perpendicular to the first frame body.
5. The door panel structure for a train air conditioner according to claim 4, wherein the end portions of the first frame body and the second frame body are bent in a direction parallel to the air guide plate to form a first mounting portion and a second mounting portion, respectively, for mounting the air direction adjusting mechanism in the mounting cavity in a direction parallel to the length direction of the mounting cavity, so that the extending direction of the air guide plate is parallel to the length direction of the mounting cavity.
6. The door panel structure for a train air conditioner according to claim 4, wherein the first frame body and the second frame body are respectively provided at ends thereof with a first mounting hole and a second mounting hole for mounting the wind direction adjusting mechanism in the mounting cavity in a direction parallel to the width direction of the mounting cavity such that the extending direction of the wind guide plate is parallel to the width direction of the mounting cavity.
7. The door panel structure for a train air conditioner according to claim 6, wherein the first frame body and the second frame body are further provided at one side in the length direction thereof with an outwardly extending hem for wrapping the side wall of the installation cavity.
8. The door panel structure for a train air conditioner according to any one of claims 4 to 7, wherein the wind direction adjusting mechanism further comprises a joint adjusting assembly, the joint adjusting assembly is connected to each of the wind deflectors, and the wind deflectors can be driven to rotate synchronously by applying a force to the joint adjusting assembly.
9. The door panel structure for a train air conditioner according to claim 8, wherein the joint adjusting assembly includes a connecting bar vertically disposed with each of the air deflectors, and a connecting portion is disposed at a corresponding position of each of the air deflectors, the connecting bar being connected to each of the connecting portions.
10. A train air conditioner, comprising a door panel structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922010163.9U CN211316427U (en) | 2019-11-19 | 2019-11-19 | Door plate structure for inter-row air conditioner and inter-row air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922010163.9U CN211316427U (en) | 2019-11-19 | 2019-11-19 | Door plate structure for inter-row air conditioner and inter-row air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211316427U true CN211316427U (en) | 2020-08-21 |
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ID=72056575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922010163.9U Active CN211316427U (en) | 2019-11-19 | 2019-11-19 | Door plate structure for inter-row air conditioner and inter-row air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211316427U (en) |
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2019
- 2019-11-19 CN CN201922010163.9U patent/CN211316427U/en active Active
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