CN110403331B - Electronic contest equipment carries knapsack - Google Patents
Electronic contest equipment carries knapsack Download PDFInfo
- Publication number
- CN110403331B CN110403331B CN201910343567.1A CN201910343567A CN110403331B CN 110403331 B CN110403331 B CN 110403331B CN 201910343567 A CN201910343567 A CN 201910343567A CN 110403331 B CN110403331 B CN 110403331B
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- CN
- China
- Prior art keywords
- groove
- sliding
- keyboard
- wall
- locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004804 winding Methods 0.000 claims abstract description 28
- 210000000078 claw Anatomy 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 3
- 238000012856 packing Methods 0.000 claims 2
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/02—Interior fittings; Means, e.g. inserts, for holding and packing articles
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
- A45F3/04—Sacks or packs carried on the body by means of two straps passing over the two shoulders
Landscapes
- Portable Outdoor Equipment (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The invention discloses a portable backpack for electronic competition equipment, which comprises a containing plate, wherein a keyboard cavity with a right opening is arranged in the containing plate, two groups of mechanical claws are arranged in the keyboard cavity, the inner wall of the top end of the keyboard cavity is communicated with a sliding chute, a sliding block is connected in the sliding chute in a sliding manner, one group of mechanical claws is fixedly connected to the lower side end surface of the sliding block, a groove with an upward opening is arranged in the sliding block, a locking device capable of unlocking or locking at a specified position is arranged in the groove, a locking groove is communicated with the inner wall of the top end of the sliding chute, and a bevel rod is arranged on the right side of the locking groove; according to the keyboard, the data wires are orderly packed in a winding mode, so that the data wires are prevented from knotting under vibration, the keycaps are prevented from being scratched and separated through bidirectional clamping and fixing of the keyboard, and the shock resistance under movement is improved.
Description
Technical Field
The invention relates to the technical field of luggage articles, in particular to a backpack carried by electronic competition equipment.
Background
The electronic contest is a new sports industry, and the assistance of external equipment is omitted. However, when the conventional backpack carries such equipment, wires of the equipment are wound and knotted due to the influence of vibration, so that the equipment is easily damaged.
Disclosure of Invention
The invention aims to provide a carrying backpack for electronic competition equipment, which can overcome the defects in the prior art.
The invention relates to a portable backpack for electronic competition equipment, which comprises a containing plate, wherein a keyboard cavity with a right opening is arranged in the containing plate, two groups of mechanical claws are arranged in the keyboard cavity, a chute is arranged on the inner wall of the top end of the keyboard cavity in a communication manner, a sliding block is connected in the chute in a sliding manner, one group of the mechanical claws is fixedly connected to the lower side end surface of the sliding block, a groove with an upward opening is arranged in the sliding block, a locking device capable of unlocking or locking at a specified position is arranged in the groove, a locking groove is arranged on the inner wall of the top end of the chute in a communication manner, the right side of the locking groove is an inclined surface, a push rod capable of unlocking the locking device is connected on the inner wall of the left end of the locking groove in a sliding manner, a button positioned at the outer end of the left side of the keyboard cavity is, the mechanical claw is fixedly connected with the lifting device and is pushed to further clamp the keyboard through rotation of the lifting device, a mouse cavity with a rightward opening is arranged at the upper end of the keyboard cavity, the opening diameter of the mouse cavity is small in left and convenient in right, a winding device capable of winding and containing the mouse is arranged in the mouse cavity, a zipper is arranged on the right side of the containing plate, a back plate is arranged on the right side of the zipper, and shoulder straps which are symmetrical in front and back are arranged on the back plate.
Preferably, use gripper on the slider as an example, gripper including set up in base on the slider, be equipped with the transmission chamber on the base, transmission chamber lower extreme inner wall sliding connection have with the butt pole of keyboard butt, butt pole upper end with be connected with compression spring between the transmission chamber top inner wall, transmission chamber lower extreme communicates with each other and is equipped with bilateral symmetry's turn trough, sliding connection has rotatable clamp plate in the turn trough, the transmission intracavity rotates and is connected with bilateral symmetry's transmission shaft, be equipped with on the transmission shaft with the gear that the butt pole meshing is connected, the gear with fixed connection between the clamp plate slides the butt pole makes through the meshing transmission the clamp plate rotates two-way centre gripping keyboard.
Preferably, the blocking device including set up in the slide rail of recess bottom inner wall, sliding connection has the lifter on the slide rail, the lifter with be connected with reset spring between the recess, sliding connection has the inclined plane locking lever on the inner wall of recess left side, inclined plane locking lever downside be equipped with lifter sliding connection's slide, the lifter left side with be connected with the resistance spring between the slide left side inner wall, link up about being equipped with on the inner wall of recess right side and the ascending logical groove of opening, spout top inner wall be equipped with the inclined plane ejector pad of inclined plane locking lever butt, through the inclined plane locking lever with during recess inner wall sliding connection, this structure can freely slide, the inclined plane locking lever break away from with the sliding connection of recess inner wall, and the lifter roll-off during the recess, this structure is locked.
Preferably, the lifting device comprises a connecting rod connected with the cross column in a sliding manner, the upper end of the connecting rod is fixedly connected with the mechanical claw, the connecting rod is hinged with a chain rod, the transverse column is fixedly connected with a limiting block positioned on the anticlockwise side of the connecting rod, the limiting blocks are connected with the connecting rods in a propping manner, the transverse columns are connected with filling plates hinged with the chain rods in a sliding manner, the keyboard cavity is fixedly connected with a fixed shaft which is positioned at the lower end of the transverse column and extends forwards and backwards, the fixed shaft is rotatably connected with a rotating plate which is abutted against the filling plate, the power for rotating the keyboard pushes the filling plate to slide anticlockwise through the connecting rod and the chain rod, and the mechanical claw slides to a gap between the fixed shaft and the transverse column, increases the relative height, and enables the mechanical claw connected with the mechanical claw to further clamp the keyboard.
Preferably, the winding device include with mouse chamber left end inner wall fixed connection's screw rod, threaded connection has the winding post on the screw rod, winding post left side with be connected with torsion spring between the inner wall of mouse chamber left side, be equipped with the opening right open slot on the winding post, sliding connection has the disc in the open slot, disc right-hand member face is equipped with the handrail of longitudinal symmetry, be equipped with in the disc and be located between the handrail and opening right standing groove, sliding connection has the slide of longitudinal symmetry in the standing groove, the slide with be connected with clamping spring between the standing groove, the winding post upside is equipped with the buckle, through the buckle is fixed one end to the electric wire, the rethread the rotation of winding post is with the orderly winding at the circumference surface of self of electric wire.
The invention has the beneficial effects that: the keyboard is classified in areas, orderly storage is achieved, the mouse is fixed, the data lines are orderly packaged in a winding mode, knotting is avoided under vibration, the keycaps are prevented from being scratched and separated through bidirectional clamping and fixing of the keyboard, and shock resistance under movement is improved.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of an overall structure of a backpack carried by a competitive electric apparatus according to the present invention;
FIG. 2 is a schematic view of the latch of FIG. 1;
FIG. 3 is a schematic structural view of the gripper of FIG. 1;
FIG. 4 is a schematic view of the structure "A-A" of FIG. 1;
FIG. 5 is a schematic structural view of the buckle of FIG. 1;
fig. 6 is an enlarged structural view of "B" of fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a carrying backpack for electronic competition equipment, which comprises a containing plate 11, wherein a keyboard cavity 12 with a right opening is arranged in the containing plate 11, two groups of mechanical claws 901 are arranged in the keyboard cavity 12, the inner wall of the top end of the keyboard cavity 12 is communicated with a sliding chute 22, the sliding chute 22 is connected with a sliding block 34 in a sliding way, one group of the mechanical claws 901 is fixedly connected to the lower side end surface of the sliding block 34, a groove 39 with an upward opening is arranged in the sliding block 34, a locking device 902 capable of unlocking or locking at a specified position is arranged in the groove 39, the inner wall of the top end of the sliding chute 22 is communicated with a locking groove 56, the right side of the locking groove 56 is an inclined plane, the inner wall of the left end of the locking groove 56 is connected with a push rod 55 capable of unlocking the locking device 902 in a sliding way, the push rod 55 is provided with a button 54 positioned at the outer end of the left side of, the lifting device 903 is connected to the cross column 15 in a sliding mode, the other group of mechanical claws 901 is fixedly connected with the lifting device 903, the mechanical claws 901 are pushed to further clamp a keyboard through rotation of the lifting device 903, a mouse cavity 26 with a right opening is formed in the upper end of the keyboard cavity 12, the opening diameter of the mouse cavity 26 is small on the left and convenient on the right, a winding device 904 capable of winding and containing the mouse is arranged in the mouse cavity 26, a zipper 31 is arranged on the right side of the containing plate 11, a back plate 32 is arranged on the right side of the zipper 31, and shoulder straps 33 which are symmetrical in the front and back are arranged on the back plate 32.
Beneficially, taking the gripper 901 on the slider 34 as an example, the gripper 901 includes a base 13 disposed on the slider 34, a transmission cavity 50 is disposed on the base 13, an abutting rod 44 abutting against a keyboard is slidably connected to an inner wall of a lower end of the transmission cavity 50, a compression spring 49 is connected between an upper end of the abutting rod 44 and an inner wall of a top end of the transmission cavity 50, a bilaterally symmetrical rotation slot 46 is disposed at a lower end of the transmission cavity 50, a rotatable clamping plate 45 is slidably connected in the rotation slot 46, a bilaterally symmetrical transmission shaft 48 is rotatably connected in the transmission cavity 50, a gear 47 engaged with the abutting rod 44 is disposed on the transmission shaft 48, the gear 47 is fixedly connected to the clamping plate 45, and the abutting rod 44 slides to rotate the clamping plate 45 through engagement transmission to clamp the keyboard bidirectionally.
Beneficially, the locking device 902 includes a sliding rail 43 disposed on the inner wall of the bottom end of the groove 39, a lifting rod 37 is slidably connected to the sliding rail 43, a return spring 38 is connected between the lifting rod 37 and the groove 39, an inclined plane lock rod 36 is slidably connected to the inner wall of the left side of the groove 39, a slide rail 42 slidably connected to the lifting rod 37 is disposed on the lower side of the inclined plane lock rod 36, a resistance spring 35 is connected between the left side of the lifting rod 37 and the inner wall of the left side of the slide rail 42, a through groove 41 which penetrates from left to right and has an upward opening is disposed on the inner wall of the right side of the groove 39, an inclined plane push block 40 abutted to the inclined plane lock rod 36 is disposed on the inner wall of the top end of the slide groove 22, when the inclined plane lock rod 36 is slidably connected to the inner wall of the groove 39, the structure can freely slide, the inclined plane, the structure is locked.
Advantageously, the lifting device 903 includes a connecting rod 14 slidably connected to the cross-post 15, an upper end of the connecting rod 14 is fixedly connected to the gripper 901, a chain rod 21 is hinged to the connecting rod 14, a stop block 20 located on the counterclockwise side of the connecting rod 14 is fixedly connected to the cross-post 15, the stop block 20 is in abutting connection with the connecting rod 14, a filling plate 19 hinged to the chain rod 21 is slidably connected to the cross-post 15, a fixed shaft 17 located at the lower end of the cross-post 15 and extending forward and backward is fixedly connected to the keyboard cavity 12, a rotating plate 18 abutting against the filling plate 19 is rotatably connected to the fixed shaft 17, the power for rotating the keyboard pushes the filling plate 19 to slide counterclockwise through the connecting rod 14 and the chain rod 21 and slides to a gap between the fixed shaft 17 and the cross-post 15, so as to increase the relative height, and causes the gripper 901, which is attached to it, to further grip the keyboard.
Advantageously, the winding device 904 comprises a screw 25 fixedly connected with the inner wall of the left end of the mouse cavity 26, a winding column 27 is connected on the screw rod 25 through screw threads, a torsion spring 23 is connected between the left side of the winding column 27 and the inner wall of the left side of the mouse cavity 26, an opening groove 28 with a right opening is arranged on the winding column 27, a disc 29 is connected in the opening groove 28 in a sliding way, the right end face of the disc 29 is provided with armrests 30 which are symmetrical front and back, a placing groove 53 which is positioned between the armrests 30 and has a right opening is arranged in the disc 29, the placing groove 53 is internally and slidably connected with sliding plates 52 which are symmetrical front and back, a clamping spring 51 is connected between the sliding plates 52 and the placing groove 53, the upper side of the winding column 27 is provided with a buckle 24, one end of the electric wire is fixed through the buckle 24, and then the electric wire is orderly wound on the circumferential surface of the electric wire through the rotation of the winding column 27.
The installation and carrying device comprises a zipper 31 which is firstly opened, a back plate 32 is turned right by ninety degrees, a handrail 30 is held to pull a winding column 27 to move right, at the moment, the winding column 27 rotates due to the thread between the winding column 27 and a screw rod 25, so that a torsion spring 23 accumulates power potential energy, one end of a mouse data wire is abutted between a buckle 24, the handrail 30 is loosened, a mouse is held, at the moment, due to the elastic recovery of the torsion spring 23, the winding column 27 rotates and winds the electric wire on the surface of the mouse in order, the mouse is placed between sliding plates 52, the clamping is carried out through the elastic force of a clamping spring 51, one end of the keyboard is abutted with an abutting rod 44, the abutting rod 44 pushes the keyboard to move into a transmission cavity 50, the left side and the right side of the keyboard are fixed through a clamping plate 45 through meshing rotating gear 47, the gear 47 is fixed through the same steps of the keyboard at the other end, at this time, the keyboard is pushed to rotate anticlockwise, the power for rotating the keyboard pushes the filling plate 19 to slide anticlockwise through the connecting rod 14 and the chain rod 21, the filling plate slides to a gap between the fixed shaft 17 and the transverse column 15, the relative height is increased, the mechanical claw 901 connected with the keyboard is enabled to further clamp the keyboard, at this time, the sliding block 34 slides to be abutted against the inner wall of the left side of the sliding groove 22, the inclined plane lock rod 36 is pushed to slide into the groove 39, the resistance spring 35 accumulates power potential energy, the lifting rod 37 pushes the inclined plane lock rod 36 to move out of the groove 39 and extend into the lock groove 56 under the elastic recovery of the return spring 38, then the inclined plane lock rod 36 moves to the left under the elastic recovery of the resistance spring 35, the push rod 55 is pushed, the button 54 is made to pop out, the back plate 32 rotates clockwise by ninety degrees, the zipper 31 is pulled up, and the.
When the keyboard needs to be taken out, the zipper 31 is firstly unzipped, the back plate 32 is turned right by ninety degrees, the button 54 is pressed, the push rod 55 pushes the inclined plane lock rod 36 to be positioned at the upper end of the groove 39, the push rod pushes the inclined plane lock rod 36 to be pushed into the groove 39 under the action of the inclined plane of the lock groove 56, the keyboard is manually pulled to rotate clockwise, at the moment, the inclined plane push block 40 is abutted to the inclined plane lock rod 36, and the inclined plane lock rod 36 is pushed to move downwards to be connected with the inner.
The invention has the beneficial effects that: the keyboard is classified in areas, orderly storage is achieved, the mouse is fixed, the data lines are orderly packaged in a winding mode, knotting is avoided under vibration, the keycaps are prevented from being scratched and separated through bidirectional clamping and fixing of the keyboard, and shock resistance under movement is improved.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (5)
1. A portable backpack for electronic contest equipment comprises a containing plate, wherein a keyboard cavity with a right opening is arranged in the containing plate, two groups of mechanical claws are arranged in the keyboard cavity, a sliding groove is formed in the inner wall of the top end of the keyboard cavity in a communicated manner, a sliding block is connected in the sliding groove in a sliding manner, one group of mechanical claws is fixedly connected to the lower side end face of the sliding block, a groove with an upward opening is formed in the sliding block, a locking device capable of unlocking or locking at a specified position is arranged in the groove, a locking groove is formed in the inner wall of the top end of the sliding groove in a communicated manner, the right side of the locking groove is an inclined plane, a push rod capable of unlocking the locking device is connected to the inner wall of the left end of the locking groove in a sliding manner, a button located at the outer end of the left side of the keyboard cavity is arranged on, another group the gripper with fixed connection between the elevating gear, and pass through elevating gear's rotation promotes the gripper further presss from both sides tight keyboard, keyboard chamber upper end is equipped with the mouse chamber that the opening is right, just the opening diameter in mouse chamber is big right side from both sides and conveniently takes, the mouse intracavity is equipped with the wind device that can take up mouse, it is equipped with the zip fastener to take in the board right side, the zip fastener right side is equipped with the backplate, be equipped with the baldric of symmetry around on the backplate.
2. A portable electronic competition device backpack as recited in claim 1, wherein: use gripper on the slider is taken as an example, the gripper including set up in base on the slider, be equipped with the transmission chamber on the base, transmission chamber lower extreme inner wall sliding connection has the butt pole with the keyboard butt, butt pole upper end with be connected with compression spring between the transmission chamber top inner wall, transmission chamber lower extreme communicates with each other and is equipped with bilateral symmetry's turn trough, sliding connection has rotatable clamp plate in the turn trough, the transmission intracavity rotates the transmission shaft that is connected with bilateral symmetry, be equipped with on the transmission shaft with the gear that the butt pole meshing is connected, the gear with fixed connection between the clamp plate.
3. A portable electronic competition device backpack as recited in claim 1, wherein: the clamping and locking device comprises a slide rail arranged on the inner wall of the bottom end of the groove, a lifting rod is connected to the slide rail in a sliding mode, a reset spring is connected between the grooves, an inclined plane locking rod is connected to the inner wall of the left side of the groove in a sliding mode, a slide way is arranged on the lower side of the inclined plane locking rod and connected with the lifting rod in a sliding mode, a resistance spring is connected between the left side of the lifting rod and the inner wall of the left side of the slide way, a through groove which is communicated in the left direction and is provided with an upward opening is formed in the inner wall of the right side of the.
4. A portable electronic competition device backpack as claimed in claim 1 or 2, wherein: elevating gear include with spreader sliding connection's connecting rod, the connecting rod upper end with gripper fixed connection, the articulated chain pole that is connected with on the connecting rod, fixedly connected with is located on the spreader the stopper of the anticlockwise side of connecting rod, just the stopper with the counterbalance connection between the connecting rod, sliding connection on the spreader with chain pole articulated packing plate, keyboard intracavity fixedly connected with is located the fixed axle that extends around the spreader lower extreme and, rotate on the fixed axle be connected with the commentaries on classics board of packing plate butt.
5. A portable electronic competition device backpack as recited in claim 1, wherein: the winding device comprises a screw fixedly connected with the inner wall of the left end of the mouse cavity, a winding column is connected to the screw in a threaded manner, a torsion spring is connected between the left side of the winding column and the inner wall of the left side of the mouse cavity, a right opening groove is formed in the winding column, a disc is connected in the opening groove in a sliding manner, a front handrail and a rear handrail which are symmetrical are arranged on the right end face of the disc, a right placing groove is formed between the handrails and is provided with an opening, a front sliding plate and a rear sliding plate which are symmetrical in the placing groove are connected in the sliding manner, a clamping spring is connected between the sliding plates, and a buckle is.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910343567.1A CN110403331B (en) | 2019-04-26 | 2019-04-26 | Electronic contest equipment carries knapsack |
| JP2019100818A JP6723576B1 (en) | 2019-04-26 | 2019-05-29 | e sports equipment mobile backpack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910343567.1A CN110403331B (en) | 2019-04-26 | 2019-04-26 | Electronic contest equipment carries knapsack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110403331A CN110403331A (en) | 2019-11-05 |
| CN110403331B true CN110403331B (en) | 2021-05-28 |
Family
ID=68357688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910343567.1A Active CN110403331B (en) | 2019-04-26 | 2019-04-26 | Electronic contest equipment carries knapsack |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6723576B1 (en) |
| CN (1) | CN110403331B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6654235B2 (en) * | 2000-01-25 | 2003-11-25 | Bruce Imsand | Portable workstation computer |
| CN2691342Y (en) * | 2004-03-08 | 2005-04-13 | 北京中海银泰经贸发展有限公司 | Snapsack specially used for electronic competition |
| KR20110089919A (en) * | 2010-02-02 | 2011-08-10 | 조영식 | Home,office desktop personal computers moving case |
| CN206162412U (en) * | 2016-11-02 | 2017-05-10 | 浙江工业职业技术学院 | Keyboard fixing device |
| US11400454B2 (en) * | 2017-01-10 | 2022-08-02 | Mriglobal | Modular mobile field-deployable laboratory for rapid, on-site detection and analysis of biological targets |
| CN206994743U (en) * | 2017-05-19 | 2018-02-13 | 王超 | A kind of novel and multifunctional property computer package |
| CN108621188B (en) * | 2018-07-26 | 2020-07-31 | 燕山大学 | Redundant self-locking mechanical gripper with accurately-controllable clamping force |
-
2019
- 2019-04-26 CN CN201910343567.1A patent/CN110403331B/en active Active
- 2019-05-29 JP JP2019100818A patent/JP6723576B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN110403331A (en) | 2019-11-05 |
| JP2020182764A (en) | 2020-11-12 |
| JP6723576B1 (en) | 2020-07-15 |
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Effective date of registration: 20210508 Address after: No.1, building B5, Longteng Industrial Park, luting Avenue, liangshitang office, Shaodong county, Shaoyang City, Hunan Province, 422000 Applicant after: HUNAN MEILAODA PRESCHOOL SUPPLIES Co.,Ltd. Address before: Room 901, block B, times apartment, Anshan West Road, Nankai District, Tianjin Applicant before: Tianjin Junqi Luggage Co.,Ltd. |
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Effective date of registration: 20240307 Address after: 523539 No.1 Hengfu Road, Dongjiang Village, Qiaotou Town, Dongguan City, Guangdong Province Patentee after: DONGUAN SANPIN PLASTIC ELECTRONICS Co.,Ltd. Country or region after: China Address before: No.1, building B5, Longteng Industrial Park, luting Avenue, liangshitang office, Shaodong county, Shaoyang City, Hunan Province, 422000 Patentee before: HUNAN MEILAODA PRESCHOOL SUPPLIES CO.,LTD. Country or region before: China |