CN216114288U - Heating towel rack structure - Google Patents
Heating towel rack structure Download PDFInfo
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- CN216114288U CN216114288U CN202120524954.8U CN202120524954U CN216114288U CN 216114288 U CN216114288 U CN 216114288U CN 202120524954 U CN202120524954 U CN 202120524954U CN 216114288 U CN216114288 U CN 216114288U
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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]
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Abstract
The utility model provides a heating towel rack structure which comprises a rack body, wherein a heating assembly is arranged on the rack body, a towel rack is arranged at the front side of the rack body, the rack body comprises a bottom box body, an installation cavity with a front side opening is formed in the bottom box body, the heating assembly comprises an integrated heating plate which is arranged at the opening position of the installation cavity in an assembling mode, a power connection position is arranged at the rear side of the integrated heating plate, and a power supply device is arranged between the integrated heating plate and the installation cavity; the heating towel rack structure has the design characteristics of simple mounting structure, compact application structure, high heating efficiency and the like, and can meet the high-quality application requirements of indoor towel drying of users.
Description
Technical Field
The utility model relates to the technical field of heating, in particular to a heating towel rack structure.
Background
Due to poor ventilation condition of the toilet, the towel hung in the toilet is in a wet state for a long time, and bacteria are easy to breed. With the continuous improvement of living standard of people, people pay more attention to living details and the sanitary condition of living goods.
In order to keep the towel sanitary, different electric heating towel racks are applied in the prior art to meet the application of towel heating and drying; however, various existing heating towel racks generally need to be fixedly assembled and arranged, and have no characteristics of flexible disassembly and assembly or adjustment and application in adapting to different installation spaces.
The prior various towel racks are generally heating structures using electric heating wires, and the towel racks heated by the electric heating wires have the defects of large volume, low heating efficiency and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a heating towel rack structure for overcoming the defects of the prior art.
The heating towel rack structure comprises a rack body, wherein a heating assembly is arranged on the rack body, a towel support is arranged at the front side of the rack body, the rack body comprises a bottom box body, an installation cavity with a front side opening is formed in the bottom box body, the heating assembly comprises an integrated heating plate arranged at the opening position of the installation cavity in an assembling mode, the rear side of the integrated heating plate is provided with an electric connection position, and a power supply device is arranged between the integrated heating plate and the installation cavity.
Furthermore, the peripheral side position of the bottom box body is provided with an electric connection opening communicated with the installation cavity; the power supply device comprises an electrode assembly and a connecting wire electrically connected with the electrode assembly; the electric wire extends out of the bottom box body through the electric connection opening and is electrically connected with an electric connector as a power input end connected with an external power supply; and the power output end of the electrode assembly is electrically connected with the power connection position of the integrated heating plate.
Furthermore, a bottom plate layer is arranged between the integrated heating plate and the mounting cavity in an assembling mode, two bottom plate openings are arranged on the bottom plate layer, the electrode assembly comprises a positive electrode and a negative electrode, and the positive electrode and the negative electrode are matched with the bottom plate openings on the two sides to be positioned and assembled; the power connection wire is arranged between the bottom plate layer and the installation cavity and comprises a first wire connected with the positive electrode and a second wire connected with the negative electrode, and the first wire and the second wire are electrically connected to the power connector.
Furthermore, a positioning column is arranged at the bottom side of the installation cavity, and a positioning hole matched with the positioning column is formed in the bottom plate layer.
Furthermore, the temperature sensing device further comprises a temperature sensing element, the temperature sensing element is in contact with the rear side of the integrated heating plate, and a third wire is arranged on the temperature sensing element in an extending mode and is electrically connected to the power connector.
Furthermore, the electrode assembly comprises a spring type electrode, the elastic contact end of the spring type electrode is a power output end, and the spring type electrode is electrically connected with the connecting wire.
Furthermore, the integrated heating plate comprises an insulating layer, an electrode layer, a heating layer and a panel layer which are sequentially arranged, the insulating layer, the electrode layer, the heating layer and the panel layer are integrally arranged through composite curing, an installation through hole is formed in the insulating layer corresponding to the power connection position of the electrode layer, and the elastic contact end of the spring type electrode is electrically connected to the electrode layer through the installation through hole.
Further, the panel layer is one of ceramic tiles, microcrystalline plates, glass or stone; and/or the bottom plate layer is one of a PVC board, an extruded board, a foamed ceramic board, a polyurethane heat-insulating board and a pearl wool heat-insulating film with aluminum foil.
Further, the electrode assembly includes a power receiving case; the power connection box body is provided with a power connection cavity, and the upper side of the power connection box body is provided with an upper opening communicated with the power connection cavity; the power receiving cavity is provided with an electrode mounting position for assembling the spring type electrode; an active space for the elastic contact end of the spring type electrode to perform elastic adjustment activity is formed between the upper opening and the electrode mounting position.
Further, the rear side of the frame body is provided with an attachment position; the towel support includes long frame section, mounting bracket section and locating rack section, long frame section, mounting bracket section and locating rack section whole arrange and be Contraband form, the locating rack section with connect the installation cooperation of putting in a position, long frame section in the support body front side sets up, just long frame section with the interval has between the support body.
Furthermore, the whole frame body is rectangular, at least two mounting positions are arranged on the frame body, and the two mounting positions are arranged corresponding to the peripheral positions of two adjacent sides of the frame body; the positioning frame section is provided with a positioning connecting groove which is matched with the connecting position in an installing way; when the positioning connecting groove is installed and matched to the connecting position, the extending direction of the long frame section is parallel to the extending direction of the side of the frame body.
Further, an installation base groove is formed in the inner side position of the installation frame section, a groove connecting block is detachably arranged on the installation base groove, and when the groove connecting block is assembled, an installation groove matched with the thickness position of the frame body is formed between the groove connecting block and the installation base groove.
The utility model has the beneficial effects that:
the heating towel rack structure has the design characteristics of simple mounting structure, compact application structure, high heating efficiency and the like, and can meet the high-quality application requirements of indoor towel drying of users.
Drawings
FIG. 1 is a schematic view of a first combination application of the hot towel rack structure of the present invention;
FIG. 2 is a schematic view of a second combination application of the hot towel rack structure of the present invention;
FIG. 3 is a first exploded view of the hot towel rack structure of the present invention;
FIG. 4 is a partial schematic view of portion A of FIG. 3;
FIG. 5 is a schematic view of the structure of the electrode assembly 13 of the present invention;
FIG. 6 is a second exploded view of the hot towel rack structure of the present invention;
FIG. 7 is a partial schematic view of B of FIG. 6;
fig. 8 is an exploded view of the integrated heating plate of the present invention.
Description of reference numerals:
the frame body 1, the bottom case body 11, the mounting cavity 111, the electrical connection opening 112, the positioning post 113, the bottom plate layer 12, the positioning hole 121, the bottom plate opening 122, the bottom plate groove 123, the electrode assembly 13, the positive electrode 131, the negative electrode 132, the electrical connection case 133, the electrical connection cavity 1331, the spring electrode 134, the elastic contact terminal 1341, the electrical connection wire 14, the first electrical wire 141, the second electrical wire 142, the third electrical wire 143, the electrical connection terminal 15, the temperature sensing element 16, the first attachment site 17, the attachment wall 171, the attachment projection 172, the attachment groove 173, the attachment hole 174, the second attachment site 18, the attachment projection 172, the attachment groove 173, the attachment hole 174, the attachment hole,
An integrated heating plate 2, a panel layer 21, a heating layer 22, an electrode layer 23, a positive electrode lead-out member 231, a negative electrode lead-out member 232, an insulating layer 24, a mounting through hole 241,
The towel rack comprises a towel support 3, a long rack section 31, a mounting rack section 32, a mounting base groove 321, a groove connecting block 322, a mounting groove 323, a positioning rack section 33, a positioning connecting groove 331, a hanging hole 332 and a through hole 333.
Detailed Description
In order to make the technical solution, the purpose and the advantages of the present invention more apparent, the present invention will be further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 8, the towel rack structure capable of heating comprises a rack body 1, wherein a heating assembly is arranged on the rack body 1, and a towel support 3 is arranged at the front side of the rack body 1.
Specifically, support body 1 is whole to be the rectangle, and this support body 1 includes end box body 11, be provided with front side open-ended installation cavity 111 on the end box body 11, end box body 11 week side position be provided with connect electric opening 112 of installation cavity 111 intercommunication.
The heating component comprises an integrated heating plate 2 which is arranged at the opening position of the mounting cavity 111 in an attaching mode. The integrated heating plate 2 comprises a panel layer 21, a heating layer 22, an electrode layer 23 and an insulating layer 24 which are sequentially arranged from front to back, wherein the panel layer 21 is one of ceramic tiles, microcrystalline plates, glass or stones; the heating layer 22 is a graphene heating layer 22, the electrode layer 23 comprises a positive electrode leading-out piece 231 and a negative electrode leading-out piece 232 which are arranged in a strip shape, the positive electrode leading-out piece 231 and the negative electrode leading-out piece 232 are arranged in parallel, and the thickness of the electrode layer 23 is set to be 0.1-0.3 mm as a whole; the positive electrode leading-out piece 231 and the negative electrode leading-out piece 232 are respectively in direct contact connection with the positions of the two end sides of the graphene heating layer 22, and the thickness of the heating layer 22 is set to be 0.1-0.3 mm; the bottom plate layer 12 is one of a PVC plate, an extruded sheet, a foamed ceramic plate, a polyurethane insulation board and a pearl cotton insulation film with aluminum foil; the insulating layer 24, the electrode layer 23, the heating layer 22 and the panel layer 21 are integrally arranged through composite curing.
The rear side of the insulating layer 24 is provided with mounting through holes 333241 corresponding to the two end angles of the same side, so that the positive electrode lead-out 231 and the negative electrode lead-out 232 are formed at the exposed electrical connection positions of the rear side.
The bottom side of the installation cavity 111 is provided with a positioning column 113, a heat-insulating and heat-preserving bottom plate layer 12 is arranged between the integrated heating plate 2 and the installation cavity 111 through a positioning hole 121 which is matched with the positioning column 113 in a positioning manner, at least two bottom plate openings 122 are arranged on the bottom plate layer 12, and the two bottom plate openings 122 are arranged at the same side position of the bottom plate layer 12 so as to correspond to the two ends of the integrated heating plate 2 and be electrically connected with the positions.
A power supply device is arranged between the integrated heating plate 2 and the mounting cavity 111, and comprises an electrode assembly 13 and a connecting wire 14 electrically connected with the electrode assembly 13; the electrode assembly 13 is divided into two groups for use as a positive electrode 131 and a negative electrode 132; the positive electrode 131 and the negative electrode 132 are coupled to the bottom plate openings 122 at two sides to correspond to the positioning and mounting applications of the positive electrode lead-out member 231 and the negative electrode lead-out member 232. A bottom plate groove 123 for embedding and connecting the electric wire 14 is formed in the rear side of the bottom plate layer 12, so that the electric wire 14 is embedded in the bottom plate groove 123 to be arranged between the bottom plate layer 12 and the mounting cavity 111; the electric wire 14 extends out of the bottom case 11 through the electric opening 112, and is electrically connected with an electric connector 15 as a power input end connected with an external power source.
The electric wire 14 comprises a first electric wire 141 connected with the positive electrode 131 and a second electric wire 142 connected with the negative electrode 132, and the first electric wire 141 and the second electric wire 142 are electrically connected to the electric connector 15.
The two groups of electrode assemblies 13 are assembled with spring type electrodes 134 by using the power connection box structure with the same structure, the spring type electrodes 134 are electrically connected with the corresponding power connection wires 14, and the elastic contact ends 1341 of the spring type electrodes 134 are used as power output ends, so that the two groups of power connection box structures are respectively assembled corresponding to the bottom plate openings 122 on both sides of the bottom plate layer 12, and the elastic contact ends 1341 of the spring type electrodes 134 on both sides are arranged corresponding to the installation through holes 333241 and are electrically connected to the power connection positions of the electrode layer 23.
The power connection box structure includes a power connection box body 133; the power connection box 133 has a power connection cavity 1331, and an upper opening communicated with the power connection cavity 1331 is arranged at the upper side of the power connection box 133; an electrode mounting position for assembling the spring type electrode 134 is arranged on the power receiving cavity 1331; a movable space for the elastic contact end 1341 of the spring type electrode 134 to perform elastic adjustment movement is formed between the upper opening and the electrode mounting position, and the elastic contact end 1341 of each spring type electrode 134 is elastically and movably arranged towards the outer side of the power connection box body 133 through the upper opening. Based on the application of the elastic electrode, the elastic contact end 1341 of the fixed assembly of the power device can ensure the stable electrical connection from the power input end to the electrode layer 23, thereby avoiding the poor contact condition of the electrode caused by the deformation of the product in the using process.
In a preferred embodiment, the electric connector 15 is provided with a third electric wire 143 extending therefrom to electrically connect a temperature sensing element 16, the temperature sensing element 16 is applied as a temperature controller in the prior art, and a temperature sensing end of the temperature sensing element 16 is contacted between the insulating layer 24 and the bottom plate layer 12 to monitor the heat generation of the integrated heat generating plate 2 in real time. The temperature sensing element 16 controls the power input to be turned on or off according to the comparison between the temperature obtained by monitoring and feedback and the set value.
Example 1:
in this embodiment, the rear long side of the bottom case 11 is provided with a first attachment site 17 at its peripheral edge for attachment of the towel holder 3. Preferably, the first attaching positions 17 are provided with four, and two first attaching positions 17 are symmetrically arranged in groups along the extending direction of the short side of the bottom case 11, so that two groups of upper and lower are provided to respectively attach the towel holders 3 provided with two groups of short size.
The towel support 3 comprises a long frame section 31, and the long frame section 31 is in a long bar shape or a long plate shape; one end of the long frame section 31 is bent, so that the installation frame section 32 is arranged in an extending mode, and the bending position between the long frame section 31 and the installation frame section 32 is in smooth arc transition; one end of the mounting frame section 32, which is far away from the long frame section 31, is bent correspondingly to the inner side, so that a positioning frame section 33 is arranged in an extending manner; the mounting section 32 and the positioning section 33 are symmetrically disposed at two ends of the long section 31, so that the overall U-shaped structure is formed. And the long frame section 31, the mounting frame section 32 and the positioning frame section 33 on one side are integrally arranged in an Contraband shape.
The mounting base groove 321 is arranged at the inner side of the mounting frame section 32, the mounting base groove 321 is detachably provided with a groove connecting block 322 through screw attachment or snap attachment, and when the groove connecting block 322 is assembled, a mounting groove 323 is formed between the groove connecting block 322 and the mounting base groove 321.
The locating rack section 33 is provided with a locating connecting groove 331 on the inner side, the locating rack section 33 is provided with a plurality of installing connecting holes 174, and the installing connecting holes 174 comprise at least two through holes 333 which are arranged in hanging holes 332 on the outer side of the locating rack section 33 and/or run through the locating rack section 33.
The spacer section 33 is attached to the corresponding first attachment site 17, the first attachment site 17 is provided with an attachment wall 171 extending toward the rear side from the periphery thereof to be fitted to the outer periphery of the spacer section 33, the first attachment site 17 is provided therein with an attachment projection 172 to be fitted to the positioning groove 331, and the first attachment site 17 is provided therein with an attachment groove 173 to be fitted to the end structure of the spacer section 33.
Under the guidance of the attachment wall 171, the positioning attachment grooves 331 in the positioning frame section 33 are fitted with the attachment projections 172 and the attachment grooves 173, and the attachment positioning of the first attachment position 17 to the positioning frame section 33 is formed; by providing the first attachment site 17 with an attachment hole 174 corresponding to the through hole 333, an external screw or rivet can be used as the mounting member to be inserted into the attachment hole 174 through the through hole 333, and the first attachment site 17 can be tightly fitted to the positioning frame section 33 to form a lock, thereby meeting the requirements of the installation and application of the towel holder 3.
The width of the mounting groove 323 is closely matched with the overall thickness of the frame body 1 with the integrated heating plate 2; in the installation process, the first mounting position 17 is firstly mounted on the positioning frame section 33, so that the frame body 1 is placed in the mounting base groove 321; and then the towel holder is arranged in the groove connecting block 322 to form a mounting groove 323 form so as to closely match the thickness position of the holder body 1, and the groove connecting block 322 is locked, thus completing the mounting of the towel holder 3 on the holder body 1.
When the positioning receiving groove 331 is installed and matched to the receiving position, the extending direction of the long frame section 31 of the short-sized towel support 3 is parallel to the extending direction of the short side of the support body 1, and the long frame section 31 is correspondingly arranged at the front position of the support body 1 and has a distance with the support body 1, so as to meet the hanging requirement of the towel; and the integrated heating plate 2 based on the front side of the frame body 1 is applied, so that the hanging towel drying application requirement can be effectively met.
Through the arrangement of the hanging hole 332, the application requirement that the whole towel rack structure is directly hung and installed in the installation space is met.
Example 2:
on the basis of the application of embodiment 1, the short side peripheral edge position of the rear side of the bottom case 11 of the present embodiment is provided with a second attachment position 18 for attachment of the towel holder 3.
The number of the second attachment positions 18 is two, and the two second attachment positions 18 are symmetrically arranged in groups along the extension direction of the long side of the bottom box body 11 so as to attach the towel rack 3 in a long size.
The second attachment site 18 and corresponding towel holder 3 application structure can be alternatively applied as in the above-described embodiment 1. When the positioning receiving groove 331 is installed and matched to the receiving position, the extending direction of the long section 31 of the long towel rack 3 is parallel to the extending direction of the long side of the rack body 1.
According to the actual use requirement, a user can install the towel rack structure which is integrally arranged in a rectangular shape in a vertical arrangement mode or a transverse arrangement mode along the long edge direction, and then the towel rack structure is matched with the towel support 3 with a long size or a short size for installation and application.
The above description is only a preferred embodiment of the present invention, and those skilled in the art may still modify the described embodiment without departing from the implementation principle of the present invention, and the corresponding modifications should also be regarded as the protection scope of the present invention.
Claims (10)
1. The heating towel rack structure comprises a rack body, wherein a heating assembly is arranged on the rack body, a towel support is arranged at the front side of the rack body, and the heating towel rack structure is characterized in that the rack body comprises a bottom box body, an installation cavity with a front opening is formed in the bottom box body, the heating assembly comprises an integrated heating plate arranged at the opening position of the installation cavity in an assembling mode, the rear side of the integrated heating plate is provided with an electric connection position, and a power supply device is arranged between the integrated heating plate and the installation cavity.
2. A heating towel rack structure as claimed in claim 1, wherein the bottom box body is provided with electrical connection openings at the peripheral side thereof, which are communicated with the mounting cavity; the power supply device comprises an electrode assembly and a connecting wire electrically connected with the electrode assembly; the electric wire extends out of the bottom box body through the electric connection opening and is electrically connected with an electric connector as a power input end connected with an external power supply; and the power output end of the electrode assembly is electrically connected with the power connection position of the integrated heating plate.
3. A heat generating towel rack structure as claimed in claim 2, wherein a bottom plate layer is attached between the integrated heat generating plate and the mounting cavity, two bottom plate openings are provided on the bottom plate layer, the electrode assembly comprises a positive electrode and a negative electrode, and the positive electrode and the negative electrode are attached in a position matching with the bottom plate openings on both sides; the power connection wire is arranged between the bottom plate layer and the installation cavity and comprises a first wire connected with the positive electrode and a second wire connected with the negative electrode, and the first wire and the second wire are electrically connected to the power connector.
4. A heat-generating towel rack structure according to claim 2, further comprising a temperature-sensing element disposed in contact with the rear side of the integrated heat-generating plate, wherein the temperature-sensing element is extended with a third wire for electrically connecting to the power connector.
5. A heat-generating towel rack structure as claimed in claim 2, wherein said electrode assembly includes a spring-type electrode, the resilient contact end of said spring-type electrode being the power output end, said spring-type electrode being electrically connected to said electrical connection wire.
6. A heating towel rack structure as claimed in claim 5, wherein the integrated heating plate comprises an insulating layer, an electrode layer, a heating layer and a panel layer, which are sequentially arranged, the insulating layer, the electrode layer, the heating layer and the panel layer are integrally arranged through composite curing, a mounting through hole is arranged on the insulating layer corresponding to the power connection position of the electrode layer, and the elastic contact end of the spring type electrode is electrically connected to the electrode layer through the mounting through hole.
7. A heat-generating towel rack structure according to claim 6, wherein the electrode assembly comprises an electrical junction box; the power connection box body is provided with a power connection cavity, and the upper side of the power connection box body is provided with an upper opening communicated with the power connection cavity; the power receiving cavity is provided with an electrode mounting position for assembling the spring type electrode; an active space for the elastic contact end of the spring type electrode to perform elastic adjustment activity is formed between the upper opening and the electrode mounting position.
8. A heat generating towel rack structure as claimed in any one of claims 1 to 7, wherein the rear side of the rack body is provided with an attachment location; the towel support includes long frame section, mounting bracket section and locating rack section, long frame section, mounting bracket section and locating rack section whole arrange and be Contraband form, the locating rack section with connect the installation cooperation of putting in a position, long frame section in the support body front side sets up, just long frame section with the interval has between the support body.
9. A heat-generating towel rack structure as claimed in claim 8, wherein said rack body is generally rectangular in shape, said rack body being provided with at least two of said attachment locations, wherein two of said attachment locations are provided at respective peripheral locations corresponding to adjacent sides of the rack body; the positioning frame section is provided with a positioning connecting groove which is matched with the connecting position in an installing way; when the positioning connecting groove is installed and matched to the connecting position, the extending direction of the long frame section is parallel to the extending direction of the side of the frame body.
10. A heating towel rack structure as claimed in claim 8, wherein the mounting frame section is provided at an inner side thereof with a mounting base groove, the mounting base groove is detachably provided with a groove connecting block, and when the groove connecting block is assembled, a mounting groove matched with the thickness of the rack body is formed between the groove connecting block and the mounting base groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022927526 | 2020-12-09 | ||
| CN2020229275268 | 2020-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216114288U true CN216114288U (en) | 2022-03-22 |
Family
ID=80012498
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120409978.9U Active CN216716350U (en) | 2020-12-09 | 2021-02-24 | Take connecing of spring electrode to connect electric box and use its heating plate structure |
| CN202120409587.7U Active CN215723524U (en) | 2020-12-09 | 2021-02-24 | Integrated heating plate |
| CN202120409979.3U Active CN218154415U (en) | 2020-12-09 | 2021-02-24 | Portable warmer |
| CN202120409593.2U Active CN217302962U (en) | 2020-12-09 | 2021-02-24 | Heating plate structure with spring type electrode |
| CN202120524954.8U Active CN216114288U (en) | 2020-12-09 | 2021-03-12 | Heating towel rack structure |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120409978.9U Active CN216716350U (en) | 2020-12-09 | 2021-02-24 | Take connecing of spring electrode to connect electric box and use its heating plate structure |
| CN202120409587.7U Active CN215723524U (en) | 2020-12-09 | 2021-02-24 | Integrated heating plate |
| CN202120409979.3U Active CN218154415U (en) | 2020-12-09 | 2021-02-24 | Portable warmer |
| CN202120409593.2U Active CN217302962U (en) | 2020-12-09 | 2021-02-24 | Heating plate structure with spring type electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN216716350U (en) |
-
2021
- 2021-02-24 CN CN202120409978.9U patent/CN216716350U/en active Active
- 2021-02-24 CN CN202120409587.7U patent/CN215723524U/en active Active
- 2021-02-24 CN CN202120409979.3U patent/CN218154415U/en active Active
- 2021-02-24 CN CN202120409593.2U patent/CN217302962U/en active Active
- 2021-03-12 CN CN202120524954.8U patent/CN216114288U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN216716350U (en) | 2022-06-10 |
| CN215723524U (en) | 2022-02-01 |
| CN218154415U (en) | 2022-12-27 |
| CN217302962U (en) | 2022-08-26 |
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