CN212204793U - Air condensing units chassis structure and air conditioner - Google Patents
Air condensing units chassis structure and air conditioner Download PDFInfo
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- CN212204793U CN212204793U CN202020819467.XU CN202020819467U CN212204793U CN 212204793 U CN212204793 U CN 212204793U CN 202020819467 U CN202020819467 U CN 202020819467U CN 212204793 U CN212204793 U CN 212204793U
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Abstract
The utility model provides an air condensing units chassis structure and air conditioner. The air condensing units chassis structure is used for fixed electric heater line (7), and air condensing units chassis structure includes: the clamping hole (1) is arranged in the chassis (8); the pressure climbing structure (2) is clamped in the clamping hole (1) so as to fix the electric heating wire (7) in a space formed by the pressure climbing structure (2) and the chassis (8). Through the structure joint of pressure climbing in the card hole, after electric heating wire laminating to the chassis surface, fix electric heating wire in the space that chassis and pressure climbing structure formed steadily, improved stability, easy assembly and dismantlement pressure climbing structure to can realize better heating effect.
Description
Technical Field
The utility model relates to an air conditioning technology field specifically, relates to an air condensing units chassis structure and air conditioner.
Background
The outdoor unit of the air conditioner in the extremely low temperature and high humidity area needs to use the electric heating function of the chassis. In the related art, the electric heating wire is generally fixed to the chassis using a wire clip. Specifically, a screw is arranged at one end of the wire pressing buckle, a screw hole is formed in the chassis, the wire pressing buckle is fixed on the chassis through the screw and the screw hole, and then the wire pressing buckle is manually bound to the electric heating wire so as to fix the electric heating wire on the chassis. The electric heating wire is fixed by winding the wire pressing buckle, the electric heating wire is not attached to the chassis, the deicing capability is low, the wire pressing buckle is fixed by the screw, the efficiency is low, the cost is high, and the looseness is easy.
Disclosure of Invention
The utility model aims to provide an air condensing units chassis structure and air conditioner through the pressure scale structure joint in the card hole on chassis, after laminating to the chassis surface as electric heater wire, fixes the electric heater wire steadily in the space that the chassis encloses with the pressure scale structure, has improved stability, assembles easily and dismantles the pressure scale structure to can realize better heating effect.
An aspect of the utility model provides an air condensing units chassis structure for fixed electric heater line 7, air condensing units chassis structure includes: a chucking hole 1 provided in the chassis 8; and the pressure climbing structure 2 is clamped in the clamping hole 1 so as to fix the electric heating wire 7 in a space formed by the pressure climbing structure 2 and the chassis 8.
From this, press and climb being connected between structure and the chassis more stable for electric heating wire laminates to the chassis bottom, has better heating effect.
Optionally, the press climbing structure 2 comprises an elastic snap structure 3, and the elastic snap structure 3 is snapped in the snap hole 1.
Therefore, the structure formed by the elastic buckle is more stable and is easy to assemble and disassemble.
Optionally, the elastic buckle structure 3 includes a first elastic buckle 31, a second elastic buckle 32 and a connection structure 33, and two ends of the connection structure 33 are respectively connected to the first elastic buckle 31 and the second elastic buckle 32.
Optionally, the fastening hole 1 includes a first fastening hole 11 and a second fastening hole 12, the first elastic buckle 31 is fastened in the first fastening hole 11, the second elastic buckle 32 is fastened in the second fastening hole 12, and the electric heating wire 7 is fixed in a space formed by the connecting structure 33 and the chassis 8.
From this, simple structure, the user operation of being convenient for to two elasticity buckles have better stable effect.
Optionally, the press climbing structure 2 is provided with a guiding surface 4 for inserting the press climbing structure 2 into the card hole 1.
Optionally, the angle between the guide surface 4 and the vertical surface of the pressure climb arrangement 2 is 30-60 °.
Therefore, the pressing and climbing structure is inserted into the clamping hole during assembly, and clamping during assembly is avoided.
Optionally, the press climbing structure 2 further comprises: and the handle structure 5 is used for separating the pressure climbing structure 2 from the clamping hole 1 under the action of external force.
Therefore, the pressing and climbing structure can be taken out by holding the handle structure, and the disassembly is convenient.
Optionally, the press climbing structure 2 further comprises: and the reinforcing rib 6 is arranged on the surface of the climbing structure 2, one part of the reinforcing rib 6 is inserted into the clamping hole 1, and the electric heating wire 7 is fixed in a space formed by the other part of the reinforcing rib 6 and the chassis 8.
Therefore, the pressure climbing structure at the joint of the pressure climbing structure and the clamping hole and at the fixed electric heating wire is prevented from deforming, the stability of the pressure climbing structure is improved, and the service life of the pressure climbing structure is prolonged.
Optionally, the length of the card hole 1 is greater than the length of the climbing structure 2, and the difference between the length of the card hole 1 and the length of the climbing structure 2 is smaller than a first preset value.
Therefore, a certain installation allowance is formed, and the pressing and climbing structure is convenient to insert into the clamping hole.
Optionally, the width of the portion of the pressure climbing structure 2 clamped in the card hole 1 is greater than the width of the card hole 1, and the difference between the width of the portion of the pressure climbing structure 2 clamped in the card hole 1 and the width of the card hole 1 is smaller than a second preset value.
From this, the card hole extrusion pressure climb structure produces deformation for pressure climb structure can utilize self elasticity fastening chassis, and difficult pine takes off, has improved the stability of pressure climb structure.
The utility model discloses another aspect provides an air conditioner, the air conditioner includes as above air condensing units chassis structure.
The air conditioner has the same advantages as the chassis structure of the outdoor unit of the air conditioner, and the description is omitted here.
Drawings
Fig. 1 schematically illustrates a structural schematic view of a chassis structure of an outdoor unit of an air conditioner according to an embodiment of the present invention;
fig. 2A schematically illustrates a structure diagram of a fastening hole in a chassis structure of an outdoor unit of an air conditioner according to an embodiment of the present invention;
fig. 2B schematically illustrates a schematic structural diagram of a medium-pressure climbing structure in a chassis structure of an outdoor unit of an air conditioner according to an embodiment of the present invention;
fig. 2C is a perspective view schematically illustrating a pressure climbing structure in a chassis structure of an outdoor unit of an air conditioner according to an embodiment of the present invention;
fig. 3 schematically illustrates an installation effect diagram of a chassis structure of an outdoor unit of an air conditioner according to an embodiment of the present invention;
fig. 4A schematically illustrates a schematic structural view of a pressure climbing structure in a chassis structure of an outdoor unit of an air conditioner according to another embodiment of the present invention;
fig. 4B is a perspective view schematically illustrating a pressure climbing structure in a chassis structure of an outdoor unit of an air conditioner according to another embodiment of the present invention;
fig. 5A schematically illustrates a schematic structural view of a pressure bar structure in a chassis structure of an outdoor unit of an air conditioner according to another embodiment of the present invention;
fig. 5B is a perspective view schematically illustrating a pressure climbing structure in a chassis structure of an outdoor unit of an air conditioner according to another embodiment of the present invention.
Description of reference numerals:
1-clamping the hole; 11-a first card hole; 12-a second card hole;
2-a climbing structure;
3-an elastic buckle structure; 31-a first elastic catch; 32-a second elastic buckle; 33-a linking structure;
4-a guide surface; 5-handle structure; 6-reinforcing ribs; 7-an electrical heating wire; 8-chassis.
Detailed Description
In order to make the application objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
fig. 1 schematically shows a structural schematic diagram of a chassis structure of an outdoor unit of an air conditioner according to an embodiment of the present invention. Referring to fig. 1, the chassis structure of the outdoor unit of the air conditioner in the present embodiment will be described in detail with reference to fig. 2A to 3.
Referring to fig. 1, the base plate structure of the outdoor unit of the air conditioner includes a fastening hole 1 and a pressing and climbing structure 2. The clamping hole 1 is arranged in the chassis 8, the pressure climbing structure 2 can be clamped in the clamping hole 1, a space is enclosed by the pressure climbing structure 2 and the chassis 8, and the electric heating wire 7 is fixed in the space.
Specifically, referring to fig. 2A, the card hole 1 includes a first card hole 11 and a second card hole 12. For example, two rectangular holes are opened in the bottom plate 8, and the two rectangular holes are a first card hole 11 and a second card hole 12, respectively.
The pressure climbing structure 2 comprises an elastic buckle structure 3, and the pressure climbing structure 2 is clamped in the clamping hole 1 through the elastic buckle structure 3. Referring to fig. 2B, the elastic buckle structure 3 includes a first elastic buckle 31, a second elastic buckle 32 and a connecting structure 33, two ends of the connecting structure 33 are respectively connected to the first elastic buckle 31 and the second elastic buckle 32, and a perspective view of the pressure bar structure 2 is shown in fig. 2C. The first elastic buckle 31 is clamped in the first clamping hole 11, the second elastic buckle 32 is clamped in the second clamping hole 12, so that the connecting structure 33 and the chassis 8 enclose the space, and the electric heating wire 7 is fixed in the space enclosed by the connecting structure 33 and the chassis 8. In this embodiment, the size of the connecting structure 33 is matched with the size of the electric heating wire 7, so that the electric heating wire 7 is stably fixed in the space between the connecting structure 33 and the chassis 8, and the electric heating wire 7 is prevented from moving.
The length of the clamping hole 1 is larger than that of the climbing structure 2. Specifically, the length of the card hole 1 is greater than the length of the elastic snap structure 3 in the pressure bar structure 2, that is, the length of the first card hole 11 is greater than the length of the first elastic snap 31, and the length of the second card hole 12 is greater than the length of the second elastic snap 32. The length of the clamping hole 1 refers to the size of the clamping hole 1 along the extending direction of the electric heating wire 7, and the length of the elastic clamping structure 3 refers to the size of the elastic clamping structure 3 along the extending direction of the electric heating wire 7. The difference between the length of the clamping hole 1 and the length of the pressure climbing structure 2 is smaller than a first preset value, that is, the difference between the length of the clamping hole 1 and the length of the elastic buckling structure 3 is smaller than the first preset value. Installation allowance is arranged in the length direction of the clamping hole 1, so that the first elastic buckle 31 and the second elastic buckle 32 can be conveniently inserted into the first clamping hole 11 and the second clamping hole 12, and the pressure climbing structure 2 can be conveniently installed. The length difference between the clamping hole 1 and the pressure climbing structure 2 is smaller than a first preset value, and the influence on the installation stability of the pressure climbing structure 2 due to too large installation allowance is avoided. The first preset value is for example 0.5mm, 1mm, etc. The skilled person can obtain the values of the other first preset values according to the description of the embodiment.
The width of the clamping hole 1 is smaller than the width of the part with which the climbing structure 2 is clamped. The part of the pressure climbing structure 2, which is clamped with the clamping hole 1, has elasticity, and the width of the part of the pressure climbing structure 2, which is clamped with the clamping hole 1, refers to the maximum width of the part, which is clamped with the clamping hole 1, in one direction (the direction which is perpendicular to the inserting direction of the pressure climbing structure 2 and the extending direction of the electric heating wire 7) when the part is not subjected to external force. Specifically, the width of the card hole 1 is smaller than the width of the portion of the elastic buckle structure 3 clamped therewith, the width of the first card hole 11 is smaller than the width of the first elastic buckle 31, and the width of the second card hole 12 is smaller than the width of the second elastic buckle 32. The difference between the width of the first elastic buckle 31 and the width of the first clamping hole 11 is smaller than a second preset value, and the difference between the width of the second elastic buckle 32 and the width of the second clamping hole 12 is smaller than the second preset value. In this embodiment, the width setting between the card hole 1 and the elastic buckle structure 3 is described by taking the second elastic buckle 32 as an example. The width of the second elastic catch 32 refers to the maximum width of the second elastic catch 32 in one direction (i.e., a direction perpendicular to both the insertion direction of the climbing structure 2 and the extending direction of the electric heating wire 7) when the external force is not applied. The width of the second clamping hole 12 is set to be smaller than that of the second elastic buckle 32, so that the second clamping hole 12 extrudes the second elastic buckle 32, the second elastic buckle 32 generates elastic deformation, and the second elastic buckle rebounds to clamp the chassis 8 after being inserted into a specified position. The designated position is, for example, a position where the electric heating wire 7 is attached to the chassis 8, and in this position, the second elastic catch 32 is inserted into place. In this embodiment, the width difference between card hole and the elasticity buckle sets up within the second default, avoids card hole undersize and unable or hardly insert the elasticity buckle, is convenient for install. The second preset value is for example 1mm, 2mm, etc. Those skilled in the art can obtain values of other second preset values according to the description of the embodiment.
In this embodiment, the nip structure 2 is provided with a guide surface 4. Specifically, the guide surface 4 is provided on the elastic catch structure 3, and the first elastic catch 31 and the second elastic catch 32 are each provided with a guide surface to insert the first elastic catch 31 and the second elastic catch 32 into the first catch hole 11 and the second catch hole 12, respectively. Further, the angle between the guide surface 4 and the vertical surface of the pressure bar structure 2 is 30 ° to 60 °, i.e. the angle between the guide surface 4 and the vertical surface of the elastic snap structure 3 is 30 ° to 60 °, preferably 30 °. Referring to fig. 2B, the second elastic buckle 32 is taken as an example to illustrate the guiding surface 4, the second elastic buckle 32 is composed of, for example, a vertical surface, an inclined surface, and an arc connecting surface connecting the vertical surface and the guiding surface, an included angle between the vertical surface and the inclined surface is 30 ° to 60 °, the inclined surface is the guiding surface of the second elastic buckle 32, when the second elastic buckle 32 is inserted into the second buckle hole 12, the guiding surface guides the insertion of the second elastic buckle 32, so that the pressure climbing structure 2 is inserted into the buckle hole during assembly, and jamming during assembly is avoided.
In this embodiment, the pressure climbing structure 2 further comprises a handle structure 5, and the handle structure 5 is connected to the elastic buckling structure 3 to separate the pressure climbing structure 2 from the clamping hole 1 under the action of external force. In particular, the handle structure 5 comprises two parts, one connected to a first elastic catch 31 and the other connected to a second elastic catch 32. Two parts of handle structure 5 are L type handle for example, and the one end of L type handle is connected to elasticity buckle structure 3, and when elasticity buckle structure 3 was installed to the assigned position, the other end of L type handle was located chassis 8 top for operating personnel pinches the handle alright take out pressure and climb structure 2 above chassis 8.
In this embodiment, the climbing structure 2 further includes a reinforcing rib 6, and the reinforcing rib 6 is provided on the surface of the climbing structure 2. Specifically, the reinforcing rib 6 is attached to the inner surface of the connecting structure 33, and is attached to the inner surface of the vertical surfaces of the first elastic buckle 31 and the second elastic buckle 32, so that the reinforcing rib 6 is respectively clamped in the first clamping hole 11 and the second clamping hole 12 along with the first elastic buckle 31 and the second elastic buckle 32, the reinforcing rib 6 attached to the inner surface of the connecting structure 33 and the chassis 8 enclose a space, and the electric heating wire 7 is fixed in the space formed by the reinforcing rib 6 and the chassis 8. The reinforcing rib 6 can prevent the elastic buckle structure at the joint of the clamping hole and the elastic buckle structure at the fixed electric heating wire from deforming, so that the stability of the pressure climbing structure is improved, and the service life of the pressure climbing structure is prolonged.
In this embodiment, when the climbing structure 2 is installed, the electric heating wire 7 is clamped into the connecting structure 33, the first elastic buckle 31 is clamped into the first clamping hole 11, and the second elastic buckle 32 is clamped into the second clamping hole 12, the first elastic buckle 31 and the second elastic buckle 32 are deformed by being pressed by the clamping holes, when the electric heating wire 7 is attached to the surface of the chassis 8, the first elastic buckle 31 and the second elastic buckle 32 are clamped into the designated positions, the insertion of the first elastic buckle 31 and the second elastic buckle 32 is stopped, the first elastic buckle 31 and the second elastic buckle 32 rebound and fasten the chassis 8, so as to fix the climbing structure 2 and the chassis 8, and the electric heating wire 7 is stably attached to the surface of the chassis 8, as shown in fig. 3. When the pressure climb structure 2 is detached, the handle structure 5 is held, and the first elastic buckle 31 and the second elastic buckle 32 are deformed and gradually separated from the first clamping hole 11 and the second clamping hole 12, so that the pressure climb structure 2 is separated from the clamping hole 1.
Example two:
fig. 4A schematically illustrates a schematic structural view of a medium-pressure climbing structure in a chassis structure of an outdoor unit of an air conditioner according to another embodiment of the present invention. Referring to fig. 4A and fig. 4B, a chassis structure of an outdoor unit of an air conditioner provided in the present embodiment is described.
Unlike the chassis structure of the outdoor unit of the air conditioner in the first embodiment, the grip structure in this embodiment does not include the handle structure 5, and the grip structure 2 is shown in fig. 4A and 4B. In this embodiment, the first elastic buckle 31 and the second elastic buckle 32 include, for example, a vertical surface, a guide surface, and an arc connecting surface connecting the vertical surface and the guide surface, and besides, the first elastic buckle 31 and the second elastic buckle 32 further include two L-shaped structures, one plane of each of the two L-shaped structures is connected to the inclined surfaces of the first elastic buckle 31 and the second elastic buckle 32, respectively, and the other plane of each of the two L-shaped structures has a smaller height, for example, the same height as the height of the card hole 1.
When the climbing structure 2 is installed, the electric heating wire 7 is clamped into the connecting structure 33, the first elastic buckle 31 is clamped into the first clamp hole 11, the second elastic buckle 32 is clamped into the second clamp hole 12, the first elastic buckle 31 and the second elastic buckle 32 are deformed by the extrusion of the clamp holes, when the electric heating wire 7 is attached to the surface of the chassis 8, the first elastic buckle 31 and the second elastic buckle 32 are stopped to be inserted, and the first elastic buckle 31 and the second elastic buckle 32 rebound to enable the other plane of the L-shaped structure to be buckled with the clamp hole 1, so that the climbing structure 2 and the chassis 8 are fixed, and the electric heating wire 7 is stably attached to the surface of the chassis 8.
Example three:
fig. 5A schematically illustrates a schematic structural view of a medium-pressure climbing structure in a chassis structure of an outdoor unit of an air conditioner according to another embodiment of the present invention. Referring to fig. 5A and fig. 5B, a chassis structure of an outdoor unit of an air conditioner provided in the present embodiment is described.
Unlike the chassis structure of the outdoor unit of the air conditioner in the first embodiment, the climbing structure 2 in the present embodiment does not include the handle structure 5, and the climbing structure 2 is shown in fig. 5A and 5B. In the present embodiment, the first elastic catch 31 and the second elastic catch 32 are composed of, for example, a vertical surface, an inclined surface, and a circular arc connecting surface connecting the vertical surface and the guide surface.
When the climbing structure 2 is installed, the electric heating wire 7 is clamped into the connecting structure 33, the first elastic buckle 31 is clamped into the first clamping hole 11, the second elastic buckle 32 is clamped into the second clamping hole 12, the first elastic buckle 31 and the second elastic buckle 32 are deformed by the extrusion of the clamping holes, and when the electric heating wire 7 is attached to the surface of the chassis 8, the first elastic buckle 31 and the second elastic buckle 32 are stopped being inserted. If the first elastic buckle 31 and the second elastic buckle 32 still have a part above the chassis 8, the first elastic buckle 31 and the second elastic buckle 32 fasten the clamping holes under the action of their own elastic force to fix the climbing structure 2 and the chassis 8; if the first elastic catch 31 and the second elastic catch 32 are completely located under the chassis 8, the first elastic catch 31 and the second elastic catch 32 spring back and clasp the lower surface of the chassis 8 to fix the climbing structure 2 and the chassis 8, thereby allowing the electric heating wire 7 to stably fit on the surface of the chassis 8.
The embodiment of the utility model provides an in, air condensing units chassis structure comprises card hole and pressure scale structure, places the electric heating wire in the pressure scale structure, will press scale structure joint in the card hole, laminates to the chassis surface when the electric heating wire, presses scale structure straining chassis for the electric heating wire is fixed in the space that pressure scale structure and chassis formed, has improved stability, is convenient for assemble and dismantle the pressure scale structure, and can realize better heating effect.
The embodiment of the utility model provides an air conditioner is still provided, including the air condensing units chassis structure in the above-mentioned embodiment. The air conditioner has the same technical characteristics as the air conditioner outdoor unit chassis structure in the above embodiments, and has the same advantages as the air conditioner outdoor unit chassis structure in the above embodiments, which are not described herein again.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (11)
1. An air conditioner outdoor unit chassis structure for fixing an electric heating wire (7), comprising:
the clamping hole (1) is arranged in the chassis (8);
the pressing and climbing structure (2) is clamped in the clamping hole (1) so as to fix the electric heating wire (7) in a space formed by the pressing and climbing structure (2) and the chassis (8).
2. The outdoor unit chassis structure of an air conditioner according to claim 1, wherein the pressure climbing structure (2) comprises an elastic snap structure (3), and the elastic snap structure (3) is snapped in the snap hole (1).
3. The chassis structure of an outdoor unit of an air conditioner as claimed in claim 2, wherein the elastic clip structure (3) comprises a first elastic clip (31), a second elastic clip (32) and a connecting structure (33), and both ends of the connecting structure (33) are respectively connected to the first elastic clip (31) and the second elastic clip (32).
4. The chassis structure of an outdoor unit of an air conditioner as claimed in claim 3, wherein the fastening hole (1) includes a first fastening hole (11) and a second fastening hole (12), the first elastic latch (31) is fastened in the first fastening hole (11), the second elastic latch (32) is fastened in the second fastening hole (12), and the electric heating wire (7) is fixed in a space formed by the connecting structure (33) and the chassis (8).
5. The outdoor unit chassis structure of an air conditioner according to claim 1, wherein the pressure climbing structure (2) is provided with a guide surface (4) to insert the pressure climbing structure (2) into the catching hole (1).
6. The outdoor unit chassis structure of claim 5, wherein the angle between the guide surface (4) and the vertical surface of the pressure climbing structure (2) is 30-60 °.
7. The outdoor unit chassis structure of an air conditioner according to claim 1, wherein the pressure climbing structure (2) further comprises:
the handle structure (5) is used for separating the pressure climbing structure (2) from the clamping hole (1) under the action of external force.
8. The outdoor unit chassis structure of an air conditioner according to claim 1, wherein the pressure climbing structure (2) further comprises:
the reinforcing rib (6) is arranged on the surface of the pressure climbing structure (2), one part of the reinforcing rib (6) is inserted into the clamping hole (1), and the electric heating wire (7) is fixed in a space formed by the other part of the reinforcing rib (6) and the chassis (8).
9. The chassis structure of an outdoor unit of an air conditioner according to claim 1, wherein the length of the locking hole (1) is greater than the length of the pressure climbing structure (2), and the difference between the length of the locking hole (1) and the length of the pressure climbing structure (2) is less than a first preset value.
10. The outdoor unit chassis structure of an air conditioner according to claim 1, wherein the width of the portion of the pressure climbing structure (2) snapped in the snap hole (1) is greater than the width of the snap hole (1), and the difference between the width of the portion of the pressure climbing structure (2) snapped in the snap hole (1) and the width of the snap hole (1) is less than a second preset value.
11. An air conditioner characterized by comprising the outdoor unit chassis structure of an air conditioner according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819467.XU CN212204793U (en) | 2020-05-15 | 2020-05-15 | Air condensing units chassis structure and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819467.XU CN212204793U (en) | 2020-05-15 | 2020-05-15 | Air condensing units chassis structure and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212204793U true CN212204793U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020819467.XU Active CN212204793U (en) | 2020-05-15 | 2020-05-15 | Air condensing units chassis structure and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212204793U (en) |
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2020
- 2020-05-15 CN CN202020819467.XU patent/CN212204793U/en active Active
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