CN219387567U - Plastic door handle of automobile - Google Patents
Plastic door handle of automobile Download PDFInfo
- Publication number
- CN219387567U CN219387567U CN202320493170.2U CN202320493170U CN219387567U CN 219387567 U CN219387567 U CN 219387567U CN 202320493170 U CN202320493170 U CN 202320493170U CN 219387567 U CN219387567 U CN 219387567U
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- handle
- transmission
- door
- transmission shaft
- installation
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- 239000004033 plastic Substances 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 90
- 238000009434 installation Methods 0.000 claims abstract description 51
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change 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
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model provides an automobile plastic door handle, which comprises a door shell, a handle installation shell and a handle lifting piece, wherein the handle installation shell is arranged at the top of the rear end of the door shell, the handle lifting piece is arranged in the handle installation shell, a fingerprint groove is formed in the surface end of the handle lifting piece, a transmission box is arranged at the top of the left end of the handle lifting piece, an automatic control box is arranged at the top of the right end of the handle lifting piece, and a lock pin is arranged at the right end face of the automatic control box. According to the utility model, the handle lifting piece and the drive screw assembly are arranged as a power transmission system, the spiral wall is utilized to drive the transmission shaft assembly to move left, the lock pin is disconnected with the vehicle door, the transmission shaft is arranged to operate autonomously, the vehicle door is directly opened by matching with the fingerprint and the vehicle owner control end, the strong spring is arranged at the automatic control end, the transmission shaft assembly is acted to return to the original position rapidly, the transmission device is ensured to return to the original position, the spring is used as a buffer assembly, the damage to the rotation assembly is reduced, and the service time of the door handle is ensured.
Description
Technical Field
The utility model relates to the technical field of door handle assemblies, in particular to an automobile plastic door handle.
Background
The automobile is used as a walking tool and is seen everywhere, wherein a plurality of handle parts are arranged on the automobile door, a plurality of types of automobiles are arranged, a plurality of types of automobile door handles are arranged, an upward-lifting type handle is one of the automobile door handles, when the existing upward-lifting type automobile door handle is used, a lifting sheet needs to be lifted for opening, a torsion spring is used for resetting, when the lifting sheet is released after opening, the lifting sheet can be impacted on a shell main body through torsion of the torsion spring for resetting, the buffering performance in the existing buffering part is still to be improved, most of handles are arranged at the outer end of the automobile door panel, the whole structure protrudes out of the automobile door panel, and the handle is easy to damage to influence the use experience. For this purpose, a plastic door handle for a motor vehicle is proposed.
Disclosure of Invention
The utility model aims to solve the problems that a lifting piece of a handle is complex to reset, the lifting piece and the handle are easy to be impacted and the use flexibility is low in the prior art; the automobile plastic door handle assembly structure has the advantages that the purposes of simplifying the installation mode of the automobile plastic door handle, improving the use safety of the automobile plastic door handle and improving the clamping sensitivity of the automobile plastic door handle are achieved, and the practicability of the automobile plastic door handle is improved.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an automobile plastic door handle, includes door casing, handle installation casing and handle lift piece, door casing rear end top is equipped with the handle installation casing, be equipped with the handle in the handle installation casing and lift the piece, the handle lifts the piece face end and is equipped with the fingerprint groove, the handle lifts piece left end top and is equipped with the transmission box, the transmission box right-hand member is equipped with the fixed block, the handle lifts piece right-hand member top and is equipped with the automatic control box, automatic control box right side terminal surface is equipped with the lockpin, transmission box and automatic control box top are equipped with the location plug-in components respectively.
As a preferred embodiment of the present utility model, wherein: the transmission box comprises a transmission box body and is characterized in that two groups of transmission sleeves are arranged at the front end of an inner cavity of the transmission box, the bottoms of the transmission sleeves are fixedly connected with the top of a lifting piece of a handle, a first transmission screw is arranged on the transmission sleeves, a second transmission screw is arranged behind the first transmission screw, a first transmission shaft is arranged on the right side of the second transmission screw through a fixed block, a handle cover plate is arranged on the first transmission shaft, a plurality of limit ribs are arranged at the top of the edge of the handle cover plate, and sleeve plates are respectively arranged at the left end and the right end of the handle cover plate.
Further, the first drive screw and the second drive screw are in accordance with the specification, and the spiral walls of the first drive screw and the second drive screw are meshed with each other.
Further, the left side wall of the automatic control box is provided with a driven wheel, the upper end of the driven wheel is provided with a driving wheel, the right side of the driving wheel is provided with a miniature motor, the right side of the miniature motor is provided with a motor fixing frame, the left end of the driven wheel is fixedly provided with a first transmission shaft, the right side of the driven wheel is provided with a second transmission shaft, the right side of the second transmission shaft is provided with a sliding seat, a sliding cavity is arranged in the sliding seat, and the lock pin is arranged in the sliding cavity.
Further, the left end of the miniature motor is provided with an output shaft, the output shaft is provided with a movable rod, the left end of the movable rod is connected into the driving wheel, and the movable rod is provided with a powerful spring.
Further, the handle installation casing inboard is equipped with the indent, handle installation casing back is equipped with the installation panel, the installation panel top is equipped with control panel, the control panel front end is equipped with dampproofing coating, dampproofing coating front end is equipped with the dust membrane, the dust membrane front end is equipped with rubber buffer pad, control panel left and right sides is equipped with the erection column respectively, the erection column outer end is equipped with the fixed pin respectively.
Further, a storage module is arranged in the control panel, a signal control circuit board is arranged on the right side of the storage module, and a detection alarm circuit is arranged on the right side of the signal control circuit board.
Further, the bottom of the inside of the handle lifting piece is provided with an anti-slip edge, and the outer end of the anti-slip edge is provided with an anti-slip rubber sleeve.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
1. according to the automobile plastic door handle, the handle lifting piece and the driving screw assembly are arranged to serve as a power transmission system, the spiral wall is meshed to drive the driving shaft assembly to move left, the connection between the lock pin and the automobile door is disconnected, the motor assembly is arranged at the other end of the driving assembly, the driving shaft can be controlled to operate independently, the automobile door is opened directly by matching with fingerprints and an automobile owner control end, the practicability of the door handle is improved, the strong spring is arranged at the automatic control end, the driving shaft assembly is quickly reset by matching with the movable rod and the output shaft, the second driving screw is guaranteed to drive the first driving screw to rotate back to the original position, the handle lifting piece is put down, the spring is used as a buffer assembly, damage to the rotating assembly due to upward movement of the handle lifting piece is reduced by the buffer performance of the spring, and the service time of the door handle is guaranteed.
2. This technical scheme sets up the door handle subassembly in the door casing, change traditional door handle and set up in the installation mode on door surface, avoid external world like the potential safety hazard that extrusion collision caused to the door handle, the coupling assembling of cooperation handle installation casing top setting, guarantee the fastness of door handle installation, the electrical property subassembly that its inside set up of cooperation realizes the electrical property control to the door handle, set for the fingerprint authority at the control storage end, confirm on the basis of fingerprint identity information, also can realize promptly opening the door under the circumstances that does not have the key, avoid if take place the potential safety hazard of mistake lock, set up anti-skidding subassembly in handle lifting piece bottom, can strengthen the antiskid nature that the door handle used.
Drawings
FIG. 1 is a schematic view of the structure of an automotive plastic door handle according to the present utility model;
FIG. 2 is a schematic view of the mounting assembly of an automotive plastic door handle according to the present utility model;
FIG. 3 is a top view of a mounting assembly for an automotive plastic door handle according to the present utility model;
FIG. 4 is a schematic view of the structure of the A area of the automobile plastic door handle according to the present utility model;
fig. 5 is a schematic view showing an internal connection structure of a handle mounting case of an automobile plastic door handle according to the present utility model.
Wherein: 1 is a car door shell, 2 is a handle installation shell, 21 is a concave groove, 22 is a mounting panel, 23 is a control panel, 231 is a storage module, 232 is a signal control circuit board, 233 is an alarm circuit, 24 is a dampproof coating, 25 is a dustproof film, 26 is a rubber buffer gasket, 27 is a mounting post, 28 is a fixing pin, 3 is a handle lifting piece, 31 is a fingerprint groove, 32 is a transmission box, 321 is a transmission sleeve 322 is a first drive screw, 323 is a second drive screw, 324 is a drive shaft I, 33 is an automatic control box, 331 is a driven wheel, 332 is a driving wheel, 333 is a micro motor 334 is a motor fixing frame, 335 is a transmission shaft II, 336 is a sliding seat, 34 is a lock pin, 35 is a fixed block, 36 is a sleeve plate, 37 is a handle cover plate, 38 is a limiting rib, and 39 is a positioning plug-in.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1-5, the utility model provides an automobile plastic door handle, which comprises a door shell 1, a handle installation shell 2 and a handle lifting piece 3, wherein the handle installation shell 2 is arranged at the top of the rear end of the door shell 1, the handle lifting piece 3 is arranged in the handle installation shell 2, a fingerprint groove 31 is arranged at the surface end of the handle lifting piece 3, a transmission box 32 is arranged at the top of the left end of the handle lifting piece 3, a fixed block 35 is arranged at the right end of the transmission box 32, an automatic control box 33 is arranged at the top of the right end of the handle lifting piece 3, a lock pin 34 is arranged at the right end surface of the automatic control box 33, a positioning plug-in 39 is respectively arranged at the top of the transmission box 32 and the automatic control box 33, the handle installation shell 2 is fixedly arranged at a designated position on the door shell 1, the connection and disconnection of a lock catch between the door shell 1 and a car body frame are conveniently controlled, the autonomy of opening and closing of the door is realized, the inner cavity of the handle installation shell 2 is used for fixing the installation of the handle lifting piece 3, the top of the left end of the handle lifting piece 3 is connected with a transmission piece in the transmission box 32, the handle lifting piece 3 is lifted, the transmission assembly can be driven to disconnect the connection between the vehicle door and the vehicle body, the opening and closing of the vehicle door are realized, the top of the right side of the handle lifting piece 3 is connected with the bottom of the automatic control box 33 through a movable shaft, the installation firmness of the handle lifting piece 3 is ensured, the rotation flexibility of the handle lifting piece 3 is controlled, the top of the handle lifting piece 3 is connected with the transmission assembly in the transmission box 32, the locking pin 34 can be controlled to move left by the upward movement of the handle lifting piece 3, the connection between the locking pin 34 and the vehicle door lock is disconnected, the automatic control box 33 is internally provided with the automatic control assembly, the electric control of the vehicle door lock is realized by matching with fingerprint signals received by the fingerprint groove 31, the use experience of the door handle is improved, and the service performance of the door handle is enhanced, the transmission box 32 and the top of the automatic control box 33 respectively strengthen the connection strength with the vehicle door shell 1 through the positioning plug-in 39, and ensure the installation stability of the handle assembly.
Referring to fig. 3, two sets of transmission sleeves 321 are arranged at the front end of an inner cavity of the transmission box 32, the bottoms of the transmission sleeves 321 are fixedly connected with the top of the handle lifting piece 3, a first transmission screw 322 is arranged on the transmission sleeves 321, a second transmission screw 323 is arranged behind the first transmission screw 322, a first transmission shaft 324 is arranged on the right side of the second transmission screw 323 through a fixed block 35, a handle cover plate 37 is arranged on the first transmission shaft 324, a plurality of limit ribs 38 are arranged at the top of the edge of the handle cover plate 37, a sleeve plate 36 is respectively arranged at the left end and the right end of the handle cover plate 37, the left end of the handle lifting piece 3 is fixedly connected with the bottoms of the transmission sleeves 321, namely, when the handle lifting piece 3 is turned outwards, the transmission sleeves 321 can be driven to rotate by the same angle, the transmission sleeves 321 drive the first transmission screw 322 to rotate, the first transmission screw 322 to act on the second transmission screw 323 to rotate together, the installation position of the first transmission screw 324 can be changed, the transmission shaft first transmission shaft 324 extends out of the assembly and is fixedly connected with the lock pin 34, the connection between the lock pin 34 can be disconnected in real time, the opening and closing control of the door is realized, the second transmission screw 323 and the first transmission shaft 324 are integrally arranged, the right transmission shaft 324, the fixed block 35 is matched with the right transmission shaft 35, the right end of the transmission shaft 324, and the transmission shaft 32 are fixedly connected with the transmission shaft 35, and the corresponding transmission shaft 323 is fixedly connected with the left transmission shaft 323, and the transmission shaft 3, and the transmission shaft can be controlled and the transmission shaft and so that can move.
The door shell 1 department that handle apron 37 corresponds is equipped with the block cell body, and handle apron 37 top passes through spacing muscle 38 to be established with the connection of block cell body, and the transmission shaft one 324 is fixed the connection to handle apron 37 with the cover plate 36, when guaranteeing handle apron 37 installation fastness, avoids handle apron 37 to produce angular displacement because of rotatory atress, guarantees the stability of handle apron 37 and block cell body installation.
Referring to fig. 3, the specifications of the first drive screw 322 and the second drive screw 323 are consistent, the spiral walls of the first drive screw 322 and the second drive screw 323 are meshed with each other, when the first drive screw 322 and the second drive screw 323 are relatively rotated by the same angle under the rotation control of the handle lifting piece 3, the first drive screw 322 is controlled by the drive sleeve 321 to rotate at an angle, no displacement is generated in space, the second drive screw 323 and the spiral walls of the first drive screw 322 are meshed, and then when the second drive screw 323 is driven to rotate along with the rotation of the first drive screw 322, the second drive screw 323 is driven to move leftwards, the control connecting component acts on the lock pin 34 to move leftwards, and the connection between the lock pin 34 and the door lock is disconnected.
Referring to fig. 4, a driven wheel 331 is disposed on the left side wall of the automatic control box 33, a driving wheel 332 is disposed on the upper end of the driven wheel 331, a micro motor 333 is disposed on the right side of the driving wheel 332, a motor fixing frame 334 is disposed on the right side of the micro motor 333, a first transmission shaft 324 is fixed on the left end of the driven wheel 331, a second transmission shaft 335 is disposed on the right side of the driven wheel 331, a sliding seat 336 is disposed on the right side of the second transmission shaft 335, a sliding cavity is disposed in the sliding seat 336, the installation of the micro motor 333 is fixed in the inner cavity of the automatic control box 33 through the motor fixing frame 334, the influence of vibration of the micro motor 333 on the automatic control box 33 and a handle assembly is reduced, the micro motor 333 rotates to drive the driving wheel 332 to rotate by the same angle, the first transmission shaft 324 and the second transmission shaft 335 are fixed in the inner cavity of the driven wheel 331, namely, when the driven wheel 331 rotates, the first transmission shaft 324 and the second transmission shaft 335 are driven to rotate in the same frequency, the second transmission shaft 335 can be pulled out from the door lock 34 when the angular displacement reaches a set value, the right end of the second transmission shaft 335 is fixed on the second transmission shaft 335 can move in the sliding cavity, and the limiting function of the second transmission shaft 336 is guaranteed.
The miniature motor 333 left end is equipped with the output shaft, is equipped with the movable rod on the output shaft, and movable rod left end is inserted into the driving wheel 332, is equipped with powerful spring on the movable rod, and miniature motor 333 is through output shaft movable rod, and movable rod left end is fixed to the installation of action wheel 332, through setting up powerful spring on the movable rod, through the installation length of spring adjustment movable rod and output shaft, avoids transmission shaft one 324 rotation to act on the displacement that the driven wheel 331 produced and leads to the fact the influence to miniature motor 333.
Referring to fig. 2 and 5, the inside of the handle installation housing 2 is provided with a concave groove 21, the back of the handle installation housing 2 is provided with an installation panel 22, the top of the installation panel 22 is provided with a control panel 23, the front end of the control panel 23 is provided with a dampproof coating 24, the front end of the dampproof coating 24 is provided with a dustproof film 25, the front end of the dustproof film 25 is provided with a rubber buffer gasket 26, the left side and the right side of the control panel 23 are respectively provided with an installation column 27, the outer ends of the installation columns 27 are respectively provided with a fixed pin 28, the inner cavity of the handle installation housing 2 is provided with a concave groove 21, an installation position is provided for the handle lifting piece 3, the installation panel 22 is matched to ensure the firmness of the installation of the handle lifting piece 3, and the inner cavity of the handle installation housing 2 is arranged in the door housing 1, the traditional door handle is changed, the safety hidden danger caused by the door handle due to the extrusion collision is avoided, the two ends of the control panel 23 are respectively installed in the door housing 1 through the installation columns 27 and the fixed pins 28, the firmness of the handle installation is ensured, the outer ends of the control panel 23 are respectively provided with the dampproof coating 24 and the dustproof film 25, the external pollutant can be prevented from entering the control device, and the influence on the handle 2 when the handle lifting piece 3 is lowered by the action force of the handle lifting piece 3 is arranged.
The control panel 23 is internally provided with a storage module 231, the right side of the storage module 231 is provided with a signal control circuit board 232, the right side of the signal control circuit board 232 is provided with a detection alarm circuit 233, control instructions and fingerprint data can be received in the storage module 231, a group of storage modules are arranged in handles of four groups of doors, the signal control circuit board 232 transmits received fingerprint detection signals to a control end, the control end sends out a rotation instruction to the micro motor 333 to act on the locking pin 34 to move out, the detection alarm circuit 233 sends out alarm sounds when an unlocking instruction is not received by an automobile system, and the use safety of the handles of the doors is guaranteed.
The inside bottom of the handle lifting piece 3 is provided with an anti-slip edge, the outer end of the anti-slip edge is provided with an anti-slip rubber sleeve, the anti-slip rubber sleeve enhances the anti-slip effect, and simultaneously enhances the connection firmness of the anti-slip edge and the handle lifting piece 3, the bottom of the handle lifting piece 3 is used as a palm contact part, the cooperation anti-slip assembly prevents the palm from slipping, and the working efficiency of the handle lifting piece 3 is improved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The utility model provides an automobile plastic door handle, includes door casing (1), handle installation casing (2) and handle lift piece (3), its characterized in that, door casing (1) rear end top is equipped with handle installation casing (2), be equipped with handle lift piece (3) in handle installation casing (2), handle lift piece (3) face end is equipped with fingerprint groove (31), handle lift piece (3) left end top is equipped with transmission box (32), transmission box (32) right-hand member is equipped with fixed block (35), handle lift piece (3) right-hand member top is equipped with automatic control box (33), automatic control box (33) right side terminal surface is equipped with lockpin (34), transmission box (32) and automatic control box (33) top are equipped with location plug-in components (39) respectively;
wherein, transmission box (32) inner chamber front end is equipped with two sets of drive sleeve (321), drive sleeve (321) bottom and handle lift piece (3) top fixed connection, be equipped with first drive screw (322) on drive sleeve (321), first drive screw (322) rear is equipped with second drive screw (323), second drive screw (323) right side is equipped with transmission shaft one (324) through fixed block (35), be equipped with handle apron (37) on transmission shaft one (324), handle apron (37) border top is equipped with a plurality of spacing muscle (38), both ends are equipped with bushing plate (36) respectively about handle apron (37).
2. An automotive plastic door handle according to claim 1, characterized in that the first drive screw (322) is of a uniform gauge as the second drive screw (323), the first drive screw (322) intermeshes with the helical wall of the second drive screw (323).
3. The automobile plastic door handle according to claim 1, wherein a driven wheel (331) is arranged on the left side wall of the automatic control box (33), a driving wheel (332) is arranged at the upper end of the driven wheel (331), a micro motor (333) is arranged on the right side of the driving wheel (332), a motor fixing frame (334) is arranged on the right side of the micro motor (333), a transmission shaft I (324) is fixed at the left end of the driven wheel (331), a transmission shaft II (335) is arranged on the right side of the driven wheel (331), a sliding seat (336) is arranged on the right side of the transmission shaft II (335), a sliding cavity is arranged in the sliding seat (336), and the lock pin (34) is arranged in the sliding cavity.
4. A door handle according to claim 3, wherein the left end of the micro motor (333) is provided with an output shaft, the output shaft is provided with a movable rod, the left end of the movable rod is connected to the driving wheel (332), and the movable rod is provided with a strong spring.
5. The automobile plastic door handle according to claim 1, wherein the inner side of the handle installation shell (2) is provided with a concave groove (21), the back of the handle installation shell (2) is provided with an installation panel (22), the top of the installation panel (22) is provided with a control panel (23), the front end of the control panel (23) is provided with a dampproof coating (24), the front end of the dampproof coating (24) is provided with a dustproof film (25), the front end of the dustproof film (25) is provided with a rubber buffer gasket (26), the left side and the right side of the control panel (23) are respectively provided with an installation column (27), and the outer ends of the installation columns (27) are respectively provided with a fixing pin (28).
6. The automobile plastic door handle according to claim 5, wherein a storage module (231) is arranged in the control panel (23), a signal control circuit board (232) is arranged on the right side of the storage module (231), and a detection alarm circuit (233) is arranged on the right side of the signal control circuit board (232).
7. The automobile plastic door handle according to claim 1, wherein an anti-slip rib is arranged at the inner bottom of the handle lifting piece (3), and an anti-slip rubber sleeve is arranged at the outer end of the anti-slip rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320493170.2U CN219387567U (en) | 2023-03-09 | 2023-03-09 | Plastic door handle of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320493170.2U CN219387567U (en) | 2023-03-09 | 2023-03-09 | Plastic door handle of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219387567U true CN219387567U (en) | 2023-07-21 |
Family
ID=87171698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320493170.2U Active CN219387567U (en) | 2023-03-09 | 2023-03-09 | Plastic door handle of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219387567U (en) |
-
2023
- 2023-03-09 CN CN202320493170.2U patent/CN219387567U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |