CN220428073U - Mobile phone disassembly jig structure - Google Patents
Mobile phone disassembly jig structure Download PDFInfo
- Publication number
- CN220428073U CN220428073U CN202321515297.6U CN202321515297U CN220428073U CN 220428073 U CN220428073 U CN 220428073U CN 202321515297 U CN202321515297 U CN 202321515297U CN 220428073 U CN220428073 U CN 220428073U
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- driving
- mobile phone
- clamping
- fixing seat
- disassembly
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- 238000000926 separation method Methods 0.000 claims abstract description 42
- 230000002457 bidirectional effect Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- Telephone Set Structure (AREA)
Abstract
The utility model discloses a mobile phone disassembly jig structure, which comprises a jig fixing seat, a clamping assembly and a disassembly and separation assembly, wherein the clamping assembly and the disassembly and separation assembly are respectively arranged on the jig fixing seat; the jig fixing seat is provided with a mobile phone placing plate which is horizontally and transversely arranged, and the disassembly and separation assembly is positioned at the upper end side of the mobile phone placing plate; the clamping assembly comprises two clamping driving blocks which are arranged in a front-back opposite direction at intervals and are respectively and slidably arranged on the mobile phone placing plate; the fixture fixing seat is provided with a linear driving module, and when the fixture fixing seat works, the linear driving module drives the two clamping driving blocks to synchronously and reversely move; profiling clamping blocks are respectively assembled at the upper end parts of the clamping driving blocks, and pressure sensors are respectively arranged between the profiling clamping blocks and the corresponding clamping driving blocks. Through the structural design, the utility model has the advantages of novel structural design, high disassembly operation efficiency and good stability and reliability.
Description
Technical Field
The utility model relates to the technical field of jigs, in particular to a mobile phone disassembly jig structure.
Background
In the production process of the mobile phone, the mobile phone product which is detected as a defective product needs to be disassembled, and the battery cover and the screen need to be disassembled from the mobile phone.
The patent number is: ZL202221819865.7, patent name: the utility model relates to a Chinese patent utility model of a battery cover removing clamp, which comprises a battery placing plate, wherein two ends of the battery placing plate are connected with a fixed supporting plate, a battery removing structure is connected to the fixed supporting plate, the bottom of the battery placing plate is connected with a battery quick positioning structure, a sliding fixing plate is connected to the battery placing plate in a sliding manner, and a battery clamping block is correspondingly connected to the end surfaces of the sliding fixing plate and the fixed supporting plate; the battery disassembly structure comprises a cover plate, wherein the cover plate is rotationally connected to a fixed support plate through a rotating shaft, the other end of the cover plate is connected with a rotating screw rod through a connecting seat, one end of the rotating screw rod is connected with a rotating knob, the side wall of the fixed support plate is connected with a fixed turntable below the rotating screw rod, a limiting chute is formed in the end face of the cover plate, a movable sliding block is connected in the limiting chute, a sucker limiting hole is formed in the end face of the movable sliding block, a sucker connecting rod is connected in the sucker limiting hole, one end of the sucker connecting rod is rotationally connected with a sucker handle through the rotating shaft, and the other end of the sucker connecting rod is connected with a battery sucker; the quick battery positioning structure comprises a fixed connection plate, wherein the fixed connection plate is fixedly connected to the bottom of a battery placement plate, an adjusting screw rod is connected to the side wall of the fixed connection plate through a rotating seat, fixed sliding rods are symmetrically connected to the two sides of the adjusting screw rod and located on the side wall of the fixed connection plate, the adjusting screw rod is connected with a sliding fixing plate through a connecting sleeve on the side wall of the fixed sliding rod, the other end of the fixed sliding rod is fixedly connected to the side wall of a fixed supporting plate, and the other end of the adjusting screw rod penetrates through the side wall of the fixed supporting plate and is connected with an adjusting knob.
Wherein, above-mentioned tear open battery cover anchor clamps and realize the fixed in-process of centre gripping, the manual adjust knob of rotation of staff and rotate accommodate the lead screw to make the slip fixed plate slide on fixed slide bar, thereby drive the battery clamp block on the slip fixed plate and remove, press from both sides the battery clamp and press from both sides tightly and fix under the effect of the back-off fixed block on the side wall that the battery clamp block is relative simultaneously.
It should be noted that, with the above-mentioned battery quick positioning structure, because of the manual operation, when the force applied by the worker is too great and the battery clamping block excessively clamps the battery, the phenomenon that the battery is clamped is generated; when the staff is too little with effort and makes battery clamping piece can not press from both sides tight battery steadily, the phenomenon of pine takes off can appear in the battery when dismantling the operation, and stable reliability is relatively poor. In addition, the whole clamping and loosening process is manually operated, so that the disassembly efficiency is affected.
Disclosure of Invention
The utility model aims to provide a mobile phone disassembly jig structure aiming at the defects of the prior art, and the mobile phone disassembly jig structure is novel in structural design, high in disassembly operation efficiency, stable and good in reliability.
In order to achieve the above object, the present utility model is achieved by the following technical scheme.
The mobile phone disassembly jig structure comprises a jig fixing seat, a clamping assembly and a disassembly and separation assembly, wherein the clamping assembly and the disassembly and separation assembly are respectively arranged on the jig fixing seat; the jig fixing seat is provided with a mobile phone placing plate which is horizontally and transversely arranged, and the disassembly and separation assembly is positioned at the upper end side of the mobile phone placing plate;
the clamping assembly comprises two clamping driving blocks which are arranged in a front-back opposite direction at intervals and are respectively and slidably arranged on the mobile phone placing plate; the fixture fixing seat is provided with a linear driving module, and when the fixture fixing seat works, the linear driving module drives the two clamping driving blocks to synchronously and reversely move;
profiling clamping blocks are respectively assembled at the upper end parts of the clamping driving blocks, and pressure sensors are respectively arranged between the profiling clamping blocks and the corresponding clamping driving blocks.
The disassembly and separation assembly comprises a separation driving plate and a handle screw, and the rear end part of the separation driving plate is hinged to the upper end part of the jig fixing seat through a pivot;
the front end part of the separation driving plate is provided with a driving plate through groove which vertically penetrates through, a movable nut is arranged in the driving plate through groove, the movable nut is hinged to the front end part of the separation driving plate through pivot rotation, and the movable nut is in threaded connection with a handle screw;
the middle part of the separation driving plate is provided with a manual sucking disc, and the front end part of the fixture fixing seat is fixedly provided with a reaction supporting block below the handle screw.
The linear driving module comprises a module installation seat which is screwed and fastened at the lower end part of the fixture fixing seat, the module installation seat is provided with a bidirectional driving screw rod which horizontally extends along the front-back direction, and the front end part and the rear end part of the bidirectional driving screw rod are respectively installed on the module installation seat through bearings;
the fixture fixing seat is provided with a servo driving motor on the side of the module installation seat in a threaded manner, and a power output shaft of the servo driving motor is connected with the left end part or the right end part of the bidirectional driving screw rod through a coupler;
the linear driving module further comprises two driving block brackets which are arranged at intervals in the front-back direction, and driving nuts are respectively screwed at the lower end parts of the driving block brackets; the drive nut of the front drive block bracket is in threaded connection with the front thread part of the bidirectional drive screw rod, and the drive nut of the rear drive block bracket is in threaded connection with the rear thread part of the bidirectional drive screw rod; each clamping driving block is respectively screwed and fastened at the upper end part of the corresponding driving block bracket.
And a guide rail sliding block pair is arranged between the driving block support and the module installation seat.
Wherein, the upper surface of cell-phone place the board pastes and covers the cotton layer of bubble.
Compared with the prior art, the utility model has the beneficial effects that: the mobile phone disassembly jig structure can automatically clamp or loosen the mobile phone middle frame, and can intelligently control the clamping acting force of the two profiling clamp blocks on the mobile phone middle frame, namely constant clamping acting force is realized; compared with the manual clamping or loosening mode in the prior art, the mobile phone dismounting jig structure has the advantages of novel structural design, high dismounting operation efficiency and good stability and reliability, and can effectively avoid the defects caused by overlarge or overlarge clamping acting force.
Drawings
The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an enlarged partial schematic view of fig. 1.
Fig. 3 is a schematic structural diagram of a linear driving module according to the present utility model.
Fig. 1 to 3 include:
1-a fixture fixing seat; 11-a mobile phone placement plate; 2-clamping the assembly; 21-clamping a driving block; 22-a linear drive module; 221-module mounting base; 222-a bidirectional driving screw rod; 223-servo drive motor; 224—a drive block bracket; 225-driving the nut; 226-a guide rail slider pair; 23-profiling clamp splice; 24-a pressure sensor; 3-disassembling the separation assembly; 31-separating the driving plate; 311-driving plate through groove; 32-handle screw; 33-a movable nut; 34-manual suction cup; 35-reaction support blocks.
Detailed Description
The utility model will be described with reference to specific embodiments.
In the first embodiment, as shown in fig. 1, a mobile phone disassembly jig structure comprises a jig fixing seat 1, a clamping assembly 2 and a disassembly and separation assembly 3, wherein the clamping assembly 2 and the disassembly and separation assembly 3 are respectively arranged on the jig fixing seat 1; the jig fixing seat 1 is provided with a mobile phone placing plate 11 which is horizontally and transversely arranged, and the disassembly and separation assembly 3 is positioned on the upper end side of the mobile phone placing plate 11.
As shown in fig. 1 and 3, the clamping assembly 2 includes two clamping driving blocks 21 which are arranged in a front-back opposite direction at intervals and are respectively and slidably arranged on the mobile phone placing plate 11; the fixture fixing seat 1 is provided with a linear driving module 22, and when in operation, the linear driving module 22 drives the two clamping driving blocks 21 to synchronously and reversely move.
In addition, as shown in fig. 1 and 3, the upper end portion of each clamping driving block 21 is respectively provided with a profiling clamp block 23, and a pressure sensor 24 is respectively provided between each profiling clamp block 23 and the corresponding clamping driving block 21.
It should be explained that the clamping driving block 21 and the corresponding profiling clamping block 23 can be provided with a plurality of pressure sensors 24 which are uniformly arranged at intervals; during installation, one end face of the pressure sensor 24 can be tightly connected with the profiling clamp block 23 in a manner of strong glue adhesion, and the other end face of the pressure sensor 24 can be tightly connected with the clamping driving block 21 in a manner of strong glue adhesion.
It should be further explained that, in the first embodiment, each profiling clamp block 23 is respectively in a profiling design, and the clamping surfaces of each profiling clamp block 23 are respectively matched with the edge shape of the middle frame of the mobile phone, when the two profiling clamp blocks 23 are closed and clamp and fix the middle frame of the mobile phone, each profiling clamp block 23 respectively abuts against and is attached to the surface of the corresponding side edge of the middle frame of the mobile phone; each profiling clamp splice 23 of profiling design can make the atress even when the centre gripping of cell-phone center, and the centre gripping stability is good.
It should be noted that, in the mobile phone disassembly jig structure of the first embodiment, a controller electrically connected to an external power source is assembled, and the controller may be a PLC controller, and the controller is electrically connected to the linear driving module 22 and the pressure sensor 24 respectively; in operation, the controller controls the linear driving module 22 to operate.
In addition, as shown in fig. 1 and 2, the disassembly and separation assembly 3 comprises a separation driving plate 31 and a handle screw 32, wherein the rear end part of the separation driving plate 31 is hinged to the upper end part of the fixture fixing seat 1 through pivot; the front end part of the separation driving plate 31 is provided with a driving plate through groove 311 which vertically penetrates, a movable nut 33 is arranged in the driving plate through groove 311, the movable nut 33 is hinged to the front end part of the separation driving plate 31 through pivot rotation, and the movable nut 33 is in threaded connection with a handle screw 32; the middle part of the separation driving plate 31 is provided with a manual sucking disc 34, and the front end part of the fixture fixing seat 1 is fixedly provided with a reaction supporting block 35 below the handle screw 32.
Specifically, two nut pivot holes are formed in the outer side wall of the movable nut 33, one nut pivot hole is opened towards the left side, the other nut pivot hole is opened towards the right side, and the two nut pivot holes are axially aligned; correspondingly, a driving plate pivot hole is formed in the front end part of the separation driving plate 31 at the left end side of the movable nut 33, and a driving plate pivot hole is also formed in the front end part of the separation driving plate 31 at the right end side of the movable nut 33; the movable nut 33 is rotatably hinged to the separation driving plate 31 through two pivots, which are respectively steel shafts, one of which is inserted into the nut pivot hole on the left side and the driving plate pivot hole on the left side, and the other of which is inserted into the nut pivot hole on the right side and the driving plate pivot hole on the right side.
In the process of detaching the battery cover or the screen by using the mobile phone detaching jig structure of the first embodiment, a worker firstly places the mobile phone on the upper surface of the mobile phone placing plate 11 and enables the mobile phone to be located between the two profiling clamp blocks 23, then the controller controls the linear driving module 22 to act, the linear driving module 22 drives the two clamp driving blocks 21 to synchronously move reversely and the two clamp driving blocks 21 to gradually draw close, in the process, the front side clamp driving block 21 synchronously moves backwards with the pressure sensor 24 and the front side profiling clamp block 23, the rear side clamp driving block 21 synchronously moves forwards with the pressure sensor 24 and the rear side profiling clamp block 23, and the two profiling clamp blocks 23 clamp and fix the middle frame of the mobile phone; in the process of closing the two profiling clamp blocks 23 and clamping the middle frame of the mobile phone, the pressure sensor 24 at the front side and the pressure sensor 24 at the rear side simultaneously acquire clamping pressure signals and feed the pressure signals back to the controller, and when the clamping pressure value of the profiling clamp blocks 23 on the middle frame of the mobile phone reaches a set value of the controller, the linear driving module 22 stops acting and the middle frame of the mobile phone is clamped and fixed; after the middle frame of the mobile phone is clamped and fixed, a worker manually operates the separation driving plate 31 and enables the separation driving plate 31 to overturn downwards, the overturned separation driving plate 31 carries the manual sucking disc 34 to synchronously overturn and enable the manual sucking disc 34 to contact the battery cover or the screen, and then the worker operates the manual sucking disc 34 and enables the manual sucking disc 34 to suck the battery cover or the screen; after the manual sucking disc 34 sucks the battery cover or the screen, the handle screw 32 is rotated and the end part of the handle screw 32 is abutted against the reaction supporting block 35, in the process, the reaction supporting block 35 reacts to the handle screw 32 and enables the free end part of the separation driving plate 31 to swing upwards, and the separation driving plate 31 swinging upwards pulls the battery cover or the screen out of the mobile phone middle frame through the manual sucking disc 34 so as to realize the disassembly of the battery cover or the screen; after the battery cover or the screen is detached, the manual sucker 34 is manually operated, the battery cover or the screen which is pulled out by the manual sucker 34 is loosened, the controller controls the linear driving module 22 to act, and the two clamp driving blocks 21 are reversely moved away, so that the two profiling clamp blocks 23 loosen the middle frame of the mobile phone, and at the moment, a worker only needs to take the middle frame of the mobile phone off the mobile phone placing plate 11.
It should be further noted that, when the handle screw 32 is unscrewed and the lower end of the handle screw 32 abuts against the reaction supporting block 35, since the movable nut 33 is pivotally hinged to the front end of the separation driving plate 31 and the movable nut 33 is screwed with the handle screw 32, when the front end of the separation driving plate 31 is turned upwards relative to the jig mounting seat, the movable nut 33 is adaptively rotated relative to the separation driving plate 31 to avoid interference.
The mobile phone disassembly jig structure of the first embodiment can automatically clamp or unclamp the mobile phone middle frame, and can intelligently control the clamping acting force of the two profiling clamp blocks 23 on the mobile phone middle frame, namely constant clamping acting force is realized; compared with the manual clamping or loosening mode in the prior art, the mobile phone dismounting jig structure of the first embodiment has the advantages of novel structural design, high dismounting operation efficiency and good stability and reliability, and can effectively avoid the defects caused by overlarge or overlarge clamping acting force.
As shown in fig. 1 and 2, the second embodiment is different from the first embodiment in that: the linear driving module 22 comprises a module mounting seat 221 screwed and fastened at the lower end of the fixture fixing seat 1, the module mounting seat 221 is provided with a bidirectional driving screw rod 222 horizontally extending along the front-back direction, and the front end and the back end of the bidirectional driving screw rod 222 are respectively mounted on the module mounting seat 221 through bearings.
Wherein, the fixture fixing seat 1 is provided with a servo driving motor 223 at the side of the module mounting seat 221, and a power output shaft of the servo driving motor 223 is connected with the left end or the right end of the bidirectional driving screw rod 222 through a coupler.
In addition, the linear driving module 22 further includes two driving block brackets 224 arranged at intervals in front-rear direction, and driving nuts 225 are screwed at the lower end portions of the driving block brackets 224 respectively; the driving nut 225 of the front driving block bracket 224 is in threaded connection with the front threaded portion of the bidirectional driving screw rod 222, and the driving nut 225 of the rear driving block bracket 224 is in threaded connection with the rear threaded portion of the bidirectional driving screw rod 222; each clamping driving block is respectively screwed and fastened to the upper end portion of the corresponding driving block bracket 224.
In order to ensure that the driving block support 224 moves horizontally back and forth smoothly and reliably, the second embodiment adopts the following guiding structure design, and the specific design is as follows: a guide rail slider pair 226 is provided between the drive block bracket 224 and the module mounting base 221.
In the process of driving the two clamping driving blocks 21 to move reversely synchronously by the linear driving module 22 of the second embodiment, the servo driving motor 223 drives the bidirectional driving screw rod 222 to rotate through the coupling, in the process, the front side thread part of the bidirectional driving screw rod 222 drives the front side driving nut 225 to move, the rear side thread part of the bidirectional driving screw rod 222 drives the rear side driving nut 225 to move, and the two driving nuts 225 move reversely synchronously, so that the two driving block brackets 224 are driven to move reversely synchronously, and finally the two clamping driving blocks 21 are driven to move reversely synchronously.
Embodiment three differs from embodiment one in that: the upper surface of the mobile phone placement plate 11 is covered with a foam layer (not shown in the figure). The foam layer can protect the mobile phone so as to prevent the mobile phone from being scratched when being placed.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (5)
1. The mobile phone disassembly jig structure comprises a jig fixing seat (1), a clamping assembly (2) and a disassembly and separation assembly (3), wherein the clamping assembly (2) and the disassembly and separation assembly (3) are respectively arranged on the jig fixing seat (1); the jig fixing seat (1) is provided with a mobile phone placing plate (11) which is horizontally and transversely arranged, and the disassembly and separation assembly (3) is positioned at the upper end side of the mobile phone placing plate (11);
the method is characterized in that: the clamping assembly (2) comprises two clamping driving blocks (21) which are arranged at intervals in a front-back opposite direction and are respectively and slidably arranged on the mobile phone placing plate (11); the jig fixing seat (1) is provided with a linear driving module (22), and when the jig fixing seat works, the linear driving module (22) drives the two clamping driving blocks (21) to synchronously and reversely move;
profiling clamp blocks (23) are respectively assembled at the upper end parts of the clamping driving blocks (21), and pressure sensors (24) are respectively arranged between the profiling clamp blocks (23) and the corresponding clamping driving blocks (21).
2. The mobile phone disassembly jig structure according to claim 1, wherein: the disassembly and separation assembly (3) comprises a separation driving plate (31) and a handle screw (32), and the rear end part of the separation driving plate (31) is hinged to the upper end part of the jig fixing seat (1) through pivot;
the front end part of the separation driving plate (31) is provided with a driving plate through groove (311) which vertically penetrates through, a movable nut (33) is arranged in the driving plate through groove (311), the movable nut (33) is hinged to the front end part of the separation driving plate (31) through pivot rotation, and the movable nut (33) is in threaded connection with a handle screw (32);
the middle part of the separation driving plate (31) is provided with a manual sucking disc (34), and the front end part of the jig fixing seat (1) is fixedly provided with a reaction supporting block (35) below the handle screw (32).
3. The mobile phone disassembly jig structure according to claim 1, wherein: the linear driving module (22) comprises a module installation seat (221) which is screwed and fastened at the lower end part of the jig fixing seat (1), the module installation seat (221) is provided with a bidirectional driving screw rod (222) which horizontally extends along the front-back direction, and the front end part and the back end part of the bidirectional driving screw rod (222) are respectively installed on the module installation seat (221) through bearings;
the fixture fixing seat (1) is provided with a servo driving motor (223) on the side of the module mounting seat (221) in a threaded manner, and a power output shaft of the servo driving motor (223) is connected with the left end part or the right end part of the bidirectional driving screw rod (222) through a coupler;
the linear driving module (22) further comprises two driving block brackets (224) which are arranged at intervals in the front-back direction, and driving nuts (225) are respectively screwed at the lower end parts of the driving block brackets (224); the driving nut (225) of the front driving block bracket (224) is in threaded connection with the front threaded part of the bidirectional driving screw rod (222), and the driving nut (225) of the rear driving block bracket (224) is in threaded connection with the rear threaded part of the bidirectional driving screw rod (222); each clamping driving block (21) is respectively screwed and fastened to the upper end part of the corresponding driving block bracket (224).
4. The mobile phone disassembly jig structure according to claim 3, wherein: a guide rail sliding block pair (226) is arranged between the driving block bracket (224) and the module installation seat (221).
5. The mobile phone disassembly jig structure according to claim 1, wherein: the upper surface of the mobile phone placement plate (11) is adhered with a foam layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321515297.6U CN220428073U (en) | 2023-06-14 | 2023-06-14 | Mobile phone disassembly jig structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321515297.6U CN220428073U (en) | 2023-06-14 | 2023-06-14 | Mobile phone disassembly jig structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220428073U true CN220428073U (en) | 2024-02-02 |
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ID=89689877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321515297.6U Active CN220428073U (en) | 2023-06-14 | 2023-06-14 | Mobile phone disassembly jig structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220428073U (en) |
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2023
- 2023-06-14 CN CN202321515297.6U patent/CN220428073U/en active Active
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