CN219828937U - Range hood control panel, range hood touch assembly and range hood - Google Patents
Range hood control panel, range hood touch assembly and range hood Download PDFInfo
- Publication number
- CN219828937U CN219828937U CN202320980637.6U CN202320980637U CN219828937U CN 219828937 U CN219828937 U CN 219828937U CN 202320980637 U CN202320980637 U CN 202320980637U CN 219828937 U CN219828937 U CN 219828937U
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- range hood
- front panel
- central contact
- contact area
- connecting plate
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- 230000009471 action Effects 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 20
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 17
- 238000010030 laminating Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Ventilation (AREA)
Abstract
The utility model discloses a range hood control board, a range hood touch assembly and a range hood; the range hood control board includes: the front end face of the shell is provided with a central contact area and connecting areas positioned at two ends of the central contact area; the connecting area protrudes towards the direction close to the front panel, the connecting area is connected with the front panel through a fastener, and the shell is deformed under the action of the fastening force of the fastener to enable the central contact area to be abutted against the front panel; and a circuit board fixed in the housing. According to the range hood control board, the range hood touch assembly and the range hood, the front end face of the shell is provided with the central contact area and the connecting areas at the two ends of the central contact area; the connecting area protrudes towards the direction close to the front panel, the connecting area is connected with the front panel through a fastener, and the central contact area is abutted with the front panel; the technical problem of the casing with the not tight laminating of front panel has been solved, has solved because the poor touch sensitivity who leads to of casing and the not tight laminating of front panel problem such as show fuzziness.
Description
Technical Field
The utility model belongs to the technical field of kitchen appliances, and particularly relates to a range hood control board, a range hood touch assembly and a range hood.
Background
A range hood is a commonly used kitchen appliance, and its control sensitivity is an important factor affecting the user's use experience.
In the touch type range hood, a control panel is fixed on a glass plate through screws, and the control of the range hood is realized by touching corresponding positions on the glass plate. In the related test of the range hood, strict test requirements are placed on touch sensitivity.
At present, the shell of the control panel is designed to be planar, after screws are arranged at two ends of the control panel to be fixed on a glass plate, the control panel is stressed at two ends of the shell to cause backward bulges in the middle of the control panel to a certain extent, so that gaps are formed between the control panel and glass, the joint is not tight, and the operation touch keys are concentrated at the middle part of the control panel, so that the touch sensitivity of a user in operating the range hood is influenced, and meanwhile, the display is easy to be fuzzy.
Disclosure of Invention
The utility model provides a control panel of a range hood, which solves the technical problem that the control panel shell is not tightly attached to a front panel in the prior art.
In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:
the control panel of the range hood is positioned at the inner side of the front panel of the range hood; the range hood control board includes:
a housing having a central contact area on a front end surface thereof and connection areas at both ends of the central contact area; the connecting area protrudes towards the direction close to the front panel, the connecting area is connected with the front panel through a fastener, the shell is deformed under the action of the fastening force of the fastener, and the central contact area is abutted against the front panel;
and a circuit board fixed in the housing.
In some embodiments of the utility model, the attachment zone includes a central surface and an annular surface surrounding the central surface;
the center surface is recessed far away from the front panel to form a hanging lug groove, and the bottom of the hanging lug groove is provided with a mounting hole; the fastener passes through the mounting hole and is connected with a bracket, and the bracket is connected with the front panel; the bracket is covered by the hanging lug groove;
the annular surface comprises a semi-annular transition surface and a semi-annular inclined surface; the transition surface is close to the central contact area and is flush with the central contact area, and the transition surface is abutted with the front panel; said inclined surface being remote from said central contact zone; the inclined surface is inclined forward from being close to the central contact area to being far away from the central contact area.
In some embodiments of the present utility model, the housing is a square housing, the lug groove is a square groove, the annular surface is a square ring, the transition surface is a half square ring, and the inclined surface is a half square ring.
In some embodiments of the utility model, the bracket comprises a first connecting plate, a middle connecting plate and a second connecting plate;
the middle connecting plate is respectively connected with the first connecting plate and the second connecting plate;
the first connecting plate is connected with the fastener, and the second connecting plate is contacted and connected with the inner side surface of the front panel.
In some embodiments of the present utility model, the first connection plate and the second connection plate are arranged in parallel and at intervals;
one end of the middle connecting plate is vertically connected with the first connecting plate, and the other end of the middle connecting plate is vertically connected with the second connecting plate.
In some embodiments of the present utility model, a position of the rear end surface of the housing corresponding to the central contact area is recessed forward to form a receiving groove, and a rear cover is detachably mounted at a notch of the receiving groove;
the central contact area comprises a plurality of through holes penetrating through the bottom of the accommodating groove;
the circuit board is arranged in the accommodating groove and comprises a touch control unit and a plurality of touch sensing units, and the touch control unit is electrically connected with each touch sensing unit;
the front end of the touch sensing unit extends into the corresponding through hole and is flush with the front end face of the through hole.
In some embodiments of the present utility model, the angle at which the inclined surface is inclined forward is any value from 2 ° to 10 °.
Based on the design of the control panel of the range hood, the utility model provides a touch control assembly of the range hood, which comprises a front panel and the control panel of the range hood.
In some embodiments of the utility model, the front panel is a tempered glass panel.
Based on the design of the touch control component of the range hood, the utility model provides the range hood, which comprises the touch control component of the range hood.
Compared with the prior art, the utility model has the advantages and positive effects that: according to the range hood control board, the range hood touch assembly and the range hood, the front end face of the shell is provided with the central contact area and the connecting areas at the two ends of the central contact area; the connecting area protrudes towards the direction close to the front panel, the connecting area is connected with the front panel through a fastener, and the shell is deformed under the action of the fastening force of the fastener to enable the central contact area to be abutted against the front panel; the central contact area is tightly attached to the inner side surface of the front panel, good touch sensitivity is guaranteed, the technical problem that the attachment of the shell and the front panel is not tight is solved, the problems that the touch sensitivity is poor, the display is fuzzy and the like due to the fact that the attachment of the shell and the front panel is not tight are solved, and the use experience of a user is improved.
Other features and advantages of the present utility model will become more apparent from the following detailed description of embodiments of the present utility model, which is to be read in connection with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a touch assembly of a range hood according to the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 at another angle;
FIG. 4 is a schematic view of the structure of FIG. 1 at another angle;
FIG. 5 is a schematic view of the structure of FIG. 1 at another angle;
fig. 6 is a schematic structural view of an embodiment of a control panel for a range hood according to the present utility model;
fig. 7 is a schematic structural view of a receiving groove of a control panel of the range hood;
FIG. 8 is a schematic view of the annular surface of FIG. 6;
fig. 9 is a partial enlarged view of fig. 8.
Reference numerals:
100. a front panel;
200. a housing;
210. a central contact region; 211. a through hole;
220. a connection region; 221. a hanging lug groove; 221-1, mounting holes; 222. an annular surface; 222-1, transition surface; 222-2, inclined plane;
230. a receiving groove;
240. a rear cover;
300. a fastener;
400. a bracket; 410. a first connection plate; 420. a second connecting plate; 430. and a middle connecting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and examples.
It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
Embodiment 1,
The control panel of the range hood of the present embodiment is located at the inner side of the front panel 100 of the range hood; the range hood control board includes a housing 200, a circuit board, and the like, as shown in fig. 1 to 9.
A housing 200 having a central contact area 210 and connection areas 220 at both ends of the central contact area 210 at a front end surface thereof; that is, the left and right ends of the central contact region 210 have connection regions 220; the connection region 220 protrudes in a direction approaching the front panel 100, i.e., the connection region 220 protrudes from the central contact region 210; the connection region 220 is connected to the front panel 100 by a fastener 300 (e.g., a screw), and the case 200 is deformed (slightly deformed) by the fastening force of the fastener 300, and the central contact region 210 is abutted against the inner side surface of the front panel 100.
The central contact area 210 corresponds to a user touch area on the front panel 100, and the central contact area 210 is closely abutted to the inner side surface of the front panel 100, so that the touch sensitivity of the range hood can be ensured.
A circuit board fixed within the housing 200.
When the fastener 300 is tightened, the stress point is at the connection region 220, and the central contact region 210 can be more tightly attached to the inner side surface of the front panel 100 due to the force conduction, so as to solve the problems of poor touch sensitivity, blurred display and the like caused by the poor attachment of the housing to the front panel 100.
The control panel of the range hood of the embodiment is designed to have a central contact area 210 and connection areas 220 at two ends of the central contact area 210 on the front end surface of the housing 200; the connection region 220 protrudes in a direction approaching the front panel 100, the connection region 220 is connected to the front panel 100 by the fastening member 300, the housing 200 is deformed by the fastening force of the fastening member 300, and the central contact region 210 is abutted against the front panel 100; the central contact area 210 is tightly attached to the inner side surface of the front panel 100, so that good touch sensitivity is ensured, the technical problem that the outer shell 200 (mainly referred to as the central contact area) is not tightly attached to the front panel 100 is solved, the problems of poor touch sensitivity, fuzzy display and the like caused by the fact that the outer shell 200 is not tightly attached to the front panel 100 are further solved, and the use experience of a user is improved.
The range hood control panel of this embodiment solves the not tight problem of control panel shell and front panel laminating through the structural change of control panel shell. Moreover, no additional auxiliary equipment or structure (outside of the control board) is required to solve the problem.
In some embodiments of the present utility model, the attachment zone 220 includes a central surface and an annular surface 222 surrounding the central surface; see fig. 6-9.
The center is recessed to face away from the front panel 100 to form a hanging groove 221, and the bottom of the hanging groove 221 is provided with a mounting hole 221-1; the fastener 300 is coupled to the bracket 400 through the mounting hole 221-1, and the bracket 400 is coupled to the front panel 100; the bracket 400 is covered by the lug grooves 221. The bracket 400 is covered by the hanging lug grooves 221, so that the bracket 400 can be protected, and the occupied space is reduced.
The annular surface 222 includes a semi-annular transition surface 222-1 and a semi-annular inclined surface 222-2; that is, the semi-annular transition surface 222-1 and the semi-annular inclined surface 222-2 are abutted to form one annular surface 222. The transition surface 222-1 is adjacent to the central contact area 210, the transition surface 222-1 is flush with the central contact area 210, and the transition surface 222-1 abuts against the front panel 100; inclined surface 222-2 is remote from central contact region 210; the inclined surface 222-2 is inclined forward from the direction toward the center contact region 210 to the direction away from the center contact region 210.
The central surface is designed into the hanging lug groove 221, and the stable and reliable connection with the front panel 100 is realized by the fastener 300 and the bracket 400, so that the disassembly and the assembly are convenient; moreover, when the fastener 300 fails, the hanging groove 221 can be hung on the bracket 400, so that the safety of the control panel is ensured; meanwhile, the annular surface 222 is designed as a transition surface 222-1 and an inclined surface 222-2, so that gradual transition of the inclined surface can be realized, and reliable contact between the central contact area 210 and the inner side surface of the front panel 100 can be realized.
In actual use, the inclined surface 222-2 may not be fully abutted against the front panel 100 according to the contact condition of the central contact area 210 with the front panel 100. For example, a portion of the inclined surface near the transition surface 222-1 contacts the inner side surface of the front panel 100, while a portion of the inclined surface away from the transition surface 222-1 does not contact the inner side surface of the front panel 100.
In some embodiments of the present utility model, for convenience of design and processing, the housing 200 is a square housing, the lug groove 221 is a square groove, the annular surface 222 is a square ring, the transition surface 222-1 is a half square ring, and the inclined surface 222-2 is a half square ring.
In some embodiments of the present utility model, the angle at which the inclined surface 222-2 is inclined forward is any one of 2 to 10. If the inclination angle of the inclined surface 222-2 is too large, the difference in height between the transition surface 222-1 and the end of the inclined surface 222-2 away from the center contact area 210 is too large, and the center contact area 210 is not tightly attached to the front panel 100.
If the inclination angle of the inclined surface 222-2 is too small, the central contact area 210 may be tilted away from the front panel 100 after the fastener 300 is tightened, so that the central contact area 210 may not be tightly attached to the front panel 100, affecting touch sensitivity.
Therefore, the selection of the above-mentioned angle range can ensure the close adhesion of the central contact area 210 and the front panel 100, ensuring touch sensitivity.
In some embodiments of the present utility model, in order to facilitate the connection of the housing 200 with the front panel 100, the range hood control panel further includes a bracket 400, and the bracket 400 includes a first connection plate 410, a middle connection plate 430, and a second connection plate 420, as shown in fig. 2.
The middle connection plate 430 is connected with the first connection plate 410 and the second connection plate 420 respectively; the first connection plate 410 is connected with the fastener 300, that is, the fastener 300 passes through the mounting hole 222-1 of the tab recess 222 and the mounting hole of the first connection plate 410 to be connected with the tab recess 222 and the first connection plate 410, thereby achieving connection of the housing 200 with the front panel 100; the second connection plate 420 is in contact with and connected (e.g., glued or screwed) to the inner side surface of the front panel 100.
Through design support 400, shell 200 is connected with front panel 100 through support 400, and easy dismounting is convenient for maintain and is changed shell 200. When the housing 200 is to be repaired and replaced, the housing is simply removed from the bracket 400 without damaging the front panel 100.
By designing the bracket 400 as the first connection plate 410, the intermediate connection plate 430, and the second connection plate 420, connection with both the housing 200 and the front panel 100 is facilitated.
The housing 200 is stably and reliably connected with the first connecting plate 410 by the fastener 300, and the assembly and disassembly are convenient, so that the housing 200 is prevented from falling off.
In some embodiments of the present utility model, to facilitate the connection between the first connection plate 410 and the tab recess 222 and the connection between the second connection plate 420 and the front panel 100, the first connection plate 410 and the second connection plate 420 are arranged in parallel and at intervals; one end of the intermediate connection plate 430 is vertically connected to the first connection plate 410, and the other end of the intermediate connection plate 430 is vertically connected to the second connection plate 420. I.e., the entire bracket 400 is U-shaped.
In some embodiments of the present utility model, the rear end surface of the housing 200 is recessed forward at a position corresponding to the central contact area 210 to form a receiving slot 230, and a rear cover 240 is detachably mounted at a notch of the receiving slot 230, so that the mounting and dismounting are convenient, and the maintenance is convenient; the circuit board is installed in the receiving groove 230, not only ensuring the safety of the circuit board, but also facilitating the collection of touch signals.
In some embodiments of the present utility model, in order to facilitate the acquisition of touch signals and to implement a touch function, the central contact area 210 includes a plurality of through holes 211 penetrating the bottom of the receiving groove 230; the circuit board is installed in the accommodating groove 230, and includes a touch control unit and a plurality of touch sensing units, the touch control unit being electrically connected with each touch sensing unit; the plurality of touch sensing units are in one-to-one correspondence with the plurality of through holes 211, the front ends of the touch sensing units extend into the corresponding through holes, and the front ends of the touch sensing units are flush with the front end surfaces of the through holes 211, so that the front ends of the touch sensing units are abutted against the inner side surfaces of the front panel 100.
The touch sensing unit is used for sensing touch signals and sending the sensed touch signals to the touch control unit, and the touch control unit controls the range hood to operate so as to realize corresponding touch functions.
The front end of the touch sensing unit is stuck with a corresponding touch identifier for identifying the function of the touch sensing unit, and a user can see the touch identifier through the front panel 100, so that the user can distinguish the touch function of each touch sensing unit conveniently.
Embodiment II,
Based on the design of the control panel of the range hood of the first embodiment, the second embodiment provides a touch control assembly of the range hood, which includes a front panel 100 and the control panel of the range hood of the first embodiment, as shown in fig. 1 to 5.
The range hood control board is located inside the front panel 100 of the range hood. The range hood control board comprises a shell 200 and a circuit board fixed in the shell 200; the circuit board comprises a touch control unit and a plurality of touch sensing units, and the touch control unit is electrically connected with each touch sensing unit.
The user touches the corresponding area of the front panel 100, the touch sensing unit senses a touch signal of the user and transmits the touch signal to the touch control unit, and the touch control unit controls the range hood to perform a corresponding function, thereby realizing touch control.
The front end surface of the housing 200 has a central contact area 210 and connection areas 220 at both ends of the central contact area 210; the connection region 220 protrudes in a direction approaching the front panel 100, and the connection region 220 protrudes from the central contact region 210; the connection region 220 is connected to the front panel 100 by the fastener 300, and the case 100 is deformed (slightly deformed) by the fastening force of the fastener 300, and the central contact region 210 is abutted against the inner side surface of the front panel 100.
The central contact area 210 can be closely attached to the inner side surface of the front panel 100, thereby solving the problems of poor touch sensitivity, blurred display, etc. caused by the poor attachment of the housing to the front panel 100.
Through the design in range hood touch-control subassembly the range hood control panel, realized that central contact zone 210 closely laminates in the medial surface of front panel 100, guaranteed good touch sensitivity, solved the not tight technical problem of shell 200 and front panel 100 laminating, and then solved the poor, the display of touch sensitivity subalternation problem that leads to because shell 200 and front panel 100 laminating are not tight, improved user's use experience.
In some embodiments of the present utility model, the front panel 100 is a tempered glass panel, which has strong hardness and long service life, and avoids frequent maintenance and replacement.
Third embodiment,
Based on the design of the touch control component of the range hood of the second embodiment, the third embodiment provides a range hood, which comprises the touch control component of the range hood of the second embodiment.
Through design in range hood touch subassembly, realized that central contact area 210 closely laminates in the medial surface of front panel 100, guaranteed good touch sensitivity, solved the not tight technical problem of shell 200 and front panel 100 laminating, and then solved the poor, the display of touch sensitivity subalternation problem because shell 200 and front panel 100 laminating are not tight, improved user's use experience.
It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that other variations, modifications, additions and substitutions are possible, without departing from the scope of the utility model as disclosed in the accompanying claims.
Claims (10)
1. The control panel of the range hood is positioned at the inner side of the front panel of the range hood; the method is characterized in that: the range hood control board includes:
a housing having a central contact area on a front end surface thereof and connection areas at both ends of the central contact area; the connecting area protrudes towards the direction close to the front panel, the connecting area is connected with the front panel through a fastener, the shell is deformed under the action of the fastening force of the fastener, and the central contact area is abutted against the front panel;
and a circuit board fixed in the housing.
2. The range hood control panel of claim 1, wherein: the connection region includes a central face and an annular face surrounding the central face;
the center surface is recessed far away from the front panel to form a hanging lug groove, and the bottom of the hanging lug groove is provided with a mounting hole; the fastener passes through the mounting hole and is connected with a bracket, and the bracket is connected with the front panel; the bracket is covered by the hanging lug groove;
the annular surface comprises a semi-annular transition surface and a semi-annular inclined surface; the transition surface is close to the central contact area and is flush with the central contact area, and the transition surface is abutted with the front panel; said inclined surface being remote from said central contact zone; the inclined surface is inclined forward from being close to the central contact area to being far away from the central contact area.
3. The range hood control panel of claim 2, wherein: the shell is square shell, the lug groove is square groove, the annular surface is square ring, the transition surface is half square ring, and the inclined surface is half square ring.
4. The range hood control panel of claim 2, wherein: the bracket comprises a first connecting plate, a middle connecting plate and a second connecting plate;
the middle connecting plate is respectively connected with the first connecting plate and the second connecting plate;
the first connecting plate is connected with the fastener, and the second connecting plate is contacted and connected with the inner side surface of the front panel.
5. The range hood control panel of claim 4, wherein:
the first connecting plates and the second connecting plates are parallel and are distributed at intervals;
one end of the middle connecting plate is vertically connected with the first connecting plate, and the other end of the middle connecting plate is vertically connected with the second connecting plate.
6. The range hood control panel of claim 1, wherein: the rear end face of the shell is recessed forwards at a position corresponding to the central contact area to form an accommodating groove, and a rear cover is detachably arranged at a notch of the accommodating groove;
the central contact area comprises a plurality of through holes penetrating through the bottom of the accommodating groove;
the circuit board is arranged in the accommodating groove and comprises a touch control unit and a plurality of touch sensing units, and the touch control unit is electrically connected with each touch sensing unit;
the front end of the touch sensing unit extends into the corresponding through hole and is flush with the front end face of the through hole.
7. The range hood control panel of claim 2, wherein: the angle of forward inclination of the inclined surface is any value from 2 degrees to 10 degrees.
8. The touch control component of the range hood is characterized in that: comprising a front panel and a range hood control panel as claimed in any one of claims 1 to 7.
9. The range hood touch assembly of claim 8, wherein: the front panel is a toughened glass panel.
10. The range hood is characterized in that: a range hood touch assembly comprising the range hood of claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320980637.6U CN219828937U (en) | 2023-04-26 | 2023-04-26 | Range hood control panel, range hood touch assembly and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320980637.6U CN219828937U (en) | 2023-04-26 | 2023-04-26 | Range hood control panel, range hood touch assembly and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219828937U true CN219828937U (en) | 2023-10-13 |
Family
ID=88279584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320980637.6U Active CN219828937U (en) | 2023-04-26 | 2023-04-26 | Range hood control panel, range hood touch assembly and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219828937U (en) |
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2023
- 2023-04-26 CN CN202320980637.6U patent/CN219828937U/en active Active
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