CN211397055U - Electronic locking device and charging socket - Google Patents
Electronic locking device and charging socket Download PDFInfo
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- CN211397055U CN211397055U CN201920653436.9U CN201920653436U CN211397055U CN 211397055 U CN211397055 U CN 211397055U CN 201920653436 U CN201920653436 U CN 201920653436U CN 211397055 U CN211397055 U CN 211397055U
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Abstract
The utility model discloses an electron locking means and socket that charges, including casing and power unit, drive mechanism, spring bolt slider, feed screw, auto-lock shell fragment, canceling release mechanical system of setting in the casing. The utility model provides a locking mechanism conceives exquisitely, and the drive mechanism cooperation is ingenious, and the security is high under the normal condition, can prevent effectively that the manually-operated mechanism from missing the unblock, and when needing urgent manual unblock, its drive mechanism can safe and reliable ground unblock fast. The utility model discloses the technology integrated level is high, and process automation degree is higher, and is with low costs, possess higher protection level, compare in the past like product, the utility model discloses simple structure, overall dimension is small and exquisite, and low cost can satisfy high protection level. The utility model solves the problems that the spring bolt is easy to be pushed back and the manual unlocking operation part follows the spring bolt, and reduces the system misjudgment probability in the charging and locking process; the problems of interference of parts in the vehicle body and the like caused by the following rotation of the operating handle at the tail end of the manual unlocking mechanism during electric locking and unlocking are avoided.
Description
Technical Field
The invention belongs to the technical field of new energy automobile charging equipment, and relates to a locking device used for a new energy automobile charging interface and a charging socket with the locking device.
Background
Along with the rapid development of the charging technology of the electric automobile, the types of the charging sockets for the automobile are more and more, and the charging speed is faster and faster. Currently, vehicle charging interface locking devices that are used to improve the safety of the charging process are collectively referred to as electronic locks. Electronic locks are divided into mechanical and electromagnetic lock cylinders. Generally, the traditional mechanical lock is complex in structure and low in reliability, a part of lock bodies can realize a locking function by means of other equipment on a vehicle body, the structure of a locking device is not matched with a charging interface, the locking device is matched with a conversion device to complete matching and is universal, the size is large, the manufacturing cost is high, concepts and targets of platform development and design of the whole vehicle are limited to a certain extent, and social labor force is directly and indirectly wasted.
Disclosure of Invention
In order to solve the problems, the invention discloses an electronic locking device and a charging socket, which comprise an electric upper unlocking device which is responsible for locking and unlocking when a vehicle is normally charged, an emergency manual unlocking device under the abnormal charging state of the vehicle, and a mechanical structure in the emergency manual unlocking device, wherein a self-locking mechanism is newly designed, so that a lock tongue is prevented from being accidentally jacked back, manual unlocking and electric locking are mutually independent, and the two devices are not influenced when in work.
In order to achieve the purpose, the invention provides the following technical scheme:
an electronic locking device comprises a shell, and a power mechanism, a transmission mechanism, a lock tongue slide block, a feed screw, a self-locking elastic sheet, a reset mechanism and an unlocking action mechanism which are arranged in the shell; the power mechanism is connected with the transmission mechanism, the transmission mechanism is connected with the feeding screw rod, and the transmission mechanism is used for transmitting the power generated by the power mechanism to the feeding screw rod; one end of the lock tongue sliding block is connected with one end of the feed screw through threads, the lock tongue part at the other end extends out of the shell, the transmission mechanism comprises a transmission gear, a through hole is formed in the transmission gear, a sliding groove is formed in the feed screw along the axis direction, the other end, far away from the lock tongue sliding block, of the feed screw is inserted into the through hole of the transmission gear, the end is provided with two cantilevers capable of deflecting inwards under the action of external force, a buckle structure is arranged on the inner wall of the transmission gear and/or the outer wall of the feed screw, and when the transmission gear and the feed screw move; one end of the self-locking elastic sheet is provided with a hook which is arranged in the chute, the other end of the self-locking elastic sheet is provided with a supporting card which can prop against the two cantilevers of the feed screw from the inner side, and when the hook on the self-locking elastic sheet slides in the chute, the supporting card can be separated from the tail ends of the two cantilevers of the feed screw; the unlocking action mechanism is connected with the self-locking elastic sheet, one end of the unlocking action mechanism is arranged in the shell, the other end of the unlocking action mechanism extends out of the shell, and the unlocking action mechanism can drive the self-locking elastic sheet to move along the axial direction; the reset structure is arranged between the unlocking action mechanism and the self-locking elastic sheet and is in a compressed state in an installation state.
Furthermore, at least one pair of wedge-shaped bulges are arranged at the corresponding positions of the tail ends of the two cantilevers of the feeding screw and the inner wall of the transmission gear.
Furthermore, one end of the lock tongue sliding block, which is connected with the feed screw, is provided with a sliding groove with internal threads, and one end of the feed screw, which is provided with external threads, is screwed in the sliding groove of the lock tongue sliding block.
Furthermore, the end that the spring bolt slider is connected with the feed screw is square, and the surface of square end is equipped with two at least direction bosss, and the direction boss can be at the inside slide internal motion of casing.
Furthermore, a signal feedback unit is further arranged in the shell, a trigger mechanism is arranged on the outer surface of the lock tongue sliding block, and the trigger mechanism can trigger the signal feedback unit.
Furthermore, the triggering mechanism is a small bulge arranged on the outer side of the bolt sliding block.
Furthermore, a hole is formed in the self-locking elastic sheet, the part of the unlocking action mechanism can freely pass through the hole, and the end part of the unlocking action mechanism cannot pass through the hole. This makes auto-lock shell fragment and bulb stay wire can relative free rotation.
Furthermore, the unlocking action mechanism comprises a pull wire sleeve and a pull wire connected with the pull wire sleeve, the pull wire is connected with the self-locking elastic sheet, and the reset mechanism is a spring and is arranged on the pull wire.
Furthermore, the wire drawing sleeve and the through hole of the bottom shell are matched to be positioned in a penetrating mode through the stepped hole and the stepped shaft, at least one matching hole is non-circular, and when the hole is a regular polygon, the wire drawing sleeve and the bottom shell can have a plurality of relatively fixed installation angles.
Furthermore, a limiting block is further arranged in the shell, one side of the limiting block is used for limiting the forward movement position of the feeding screw rod, and the other side of the limiting block is used for limiting the backward movement position of the lock tongue sliding block. And this dog is detachable, and split type structure makes other parts, especially longer part be changeed the installation in the casing.
Furthermore, the shell can be embedded with conductive materials which are respectively electrically connected with the signal feedback unit and the power unit and provide an electric path for the signal feedback unit and the power unit.
Furthermore, the bolt sliding block and the unlocking action mechanism are provided with sealing parts at the positions penetrating out of the shell.
Further, the housing includes an upper cover and a bottom cover assembled together.
The invention also provides an electronic locking device which comprises a transmission gear and a feed screw, wherein a through hole is formed in the transmission gear, one end of the feed screw is a threaded rod, the other end of the feed screw is inserted into the through hole, the end of the feed screw is provided with two cantilevers capable of deflecting inwards under the action of external force, at least one pair of wedge-shaped bulges are arranged at the positions, corresponding to the inner wall of the transmission gear, of the tail ends of the two cantilevers of the feed screw, and the cantilevers can deflect inwards under the extrusion action of the wedge-.
The invention also provides an electronic locking device, which comprises a feed screw and a self-locking elastic sheet, wherein the feed screw is provided with a chute along the axis direction, one end of the feed screw is a threaded rod, and the other end of the feed screw is provided with two cantilevers capable of inwards deviating under the action of external force; the self-locking elastic sheet is provided with a hook at one end, the hook is arranged in the chute, the other end of the self-locking elastic sheet is provided with a supporting card which can abut against the two cantilevers of the feed screw from the inner side, and when the hook slides in the chute, the supporting card can be separated from the tail ends of the two cantilevers of the feed screw.
The invention also provides a charging socket which is provided with the electronic locking device.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the locking mechanism provided by the invention has the advantages of ingenious conception, ingenious matching of the transmission mechanism and high safety in a normal state, can effectively prevent the manual mechanism from being unlocked by mistake, and can safely, reliably and quickly unlock the transmission mechanism when emergency manual unlocking is required.
2. The invention has the advantages of high process integration level, higher process automation degree, low cost, higher protection level, durability, safety and reliability. Compared with the conventional similar products, the novel full-automatic automobile protection device has the characteristics of simple structure, small overall size, low cost, capability of meeting high protection level and the like, can solve the problems of short arrangement space and high requirement on space size of most of whole automobile manufacturers, and provides better product input for platformization, standardized development and design.
3. The invention solves the problem that the lock tongue is easy to retreat, has higher locking and unlocking success rate under various working conditions, and reduces the misjudgment probability of the system during charging, locking and unlocking.
4. The electronic lock solves the problem that the operating handle at the tail end of the manual unlocking mechanism follows when the electronic lock is locked and unlocked each time, and the manual unlocking mechanism and the electric locking mechanism are mutually independent through redesigning the internal structure, so that the two mechanisms are not influenced with each other during working, and the problems of interference of parts in a vehicle body and the like caused by following rotation of the operating handle are avoided.
Drawings
Fig. 1 is an exploded view of an electronic locking device product provided by the invention.
Fig. 2 is an external view of an electronic locking device product provided by the invention.
Fig. 3 is a horizontal sectional view of the electronic locking device provided by the invention.
Fig. 4 is an assembly view of the electronic locking device provided by the present invention, wherein the upper cover is not installed.
Fig. 5 is a horizontal sectional view and a longitudinal sectional view of the locking mechanism of the electronic locking device provided by the invention.
Fig. 6 is a schematic view of a manner of positioning the wire-drawing sleeve and the through hole of the bottom case of the electronic locking device provided by the invention in a matching manner.
Detailed Description
The technical solutions provided by the present invention will be described in detail below with reference to specific examples, and it should be understood that the following specific embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention.
An electronic locking device as shown in fig. 1-6 comprises a housing consisting of an upper cover 1 and a bottom case 8, wherein the upper cover 1 and the bottom case 8 are positioned by abutting at least one flange structure and are rigidly connected, such as by sealant, ultrasonic welding, etc.; according to the needs, also can adopt other modes to connect, can adopt upper cover and drain pan integral type structure even. A cavity is formed between the upper cover 1 and the bottom shell 8, and an electric conversion unit 2, a transmission mechanism, a bolt sliding block 4, a feed screw rod 10, a self-locking elastic sheet 12, a ball head pull wire 14, a return spring 15 and a pull wire sleeve 16 are arranged in the cavity.
One end of the bolt sliding block 4 is square to prevent the bolt sliding block from rotating, a sliding groove structure with threads is arranged in the end, the sliding groove structure can be a semi-open structure or a blind hole structure shown in the attached drawing of the embodiment, and the other end of the bolt sliding block is a cylindrical bolt part and extends to the outer side of the bottom shell 8 through a through hole on one side of the bottom shell 8. The through hole is provided with a step surface and an annular sealing element 5 to play a role of sealing, the inner ring is matched with the cylindrical lock tongue to form sealing, and the outer ring is matched with the through hole on the side surface of the bottom shell 8 to form sealing. A shield cover 6 is also provided on the annular sealing element 5 for protection. As a further improvement, the outer surface of the square end of the bolt sliding block 4 is provided with at least two guide bosses which can prevent the bolt sliding block 4 from deflecting around any axis; the direction of the movement of the bolt sliding block 4 can be well guided, and the bolt sliding block 4 can move directionally in a slide way formed after the upper cover 1 is connected with the bottom shell 8. One end of the feed screw rod 10 is a threaded rod, the external thread of the feed screw rod is matched with the internal thread in the blind hole of the bolt sliding block, and the threaded rod can rotate in the blind hole of the bolt sliding block 4. The other end of the feed screw 10 is provided with a square double cantilever.
As the improvement, still be provided with signal feedback unit 3 in the casing, be provided with trigger mechanism on the 4 surfaces of spring bolt slider, trigger mechanism can trigger signal feedback unit to whole car system controller feedback signal. The position of the trigger mechanism is set at the locking position of the bolt sliding block, so that a feedback signal is sent out when the bolt sliding block is locked. In this example, the trigger mechanism is a small protrusion disposed on the outside of the deadbolt slide 4. Other structures or electronic components may be used in place of the bumps.
The electric conversion unit 2 is connected with a transmission mechanism, the transmission mechanism is connected with the feed screw 10, and the power generated by the electric conversion unit is transmitted to the feed screw 10 through the transmission mechanism. In this example, the motor-driven converter unit is a motor.
Specifically, in this example, the transmission mechanism includes a drive gear 112 fixedly coupled to the electric power conversion unit, a transition gear 111 meshing with the drive gear 112, and a transmission gear 11 meshing with the transition gear 111. The electric power conversion unit 2 can transmit power to the transition gear 111 through the driving gear 112 fixedly coupled thereto, and finally, transmit the power to the transmission gear 11. The number of gears can be increased or decreased according to actual needs. As long as the electric conversion chip 2 can conduct power to the transmission gear. In the figure, a square hole is formed in the transmission gear 11, and a square double cantilever of the feed screw 10 is inserted into the square hole of the transmission gear. Preferably, two pairs of wedge-shaped protruding buckles are arranged at the joint position between the tail end of the square double cantilever of the feed screw 10 and the square hole of the transmission gear 11, and in a normal state, when the double cantilever does not deflect inwards (taking the axial direction of the feed screw as the inner direction) (meaning that at least a part of the cantilevers move inwards), the buckle on the transmission gear can abut against the buckle on the feed screw 10 to prevent the feed screw 10 from moving backwards. When the feed screw 10 moves along the axial direction, the double cantilevers can deflect inwards under the extrusion effect of the wedge-shaped bulges in the square hole of the transmission gear 11, the buckles are disengaged, and at the moment, the feed screw 10 can continue to move axially in the square hole of the transmission gear 11. The feed screw 10 and the transmission gear 11 form a snap-fit mechanism.
One end of the self-locking elastic sheet 12 is provided with a hook for being clamped in the middle sliding groove of the double cantilevers of the feed screw 10, and the other end is provided with a supporting clamp for abutting against the double cantilevers of the feed screw 10. The support clip in the self-locking spring 12 can prevent the cantilever of the feed screw from deflecting inwards to form a self-locking mechanism. One end provided with a supporting clip is positioned in the square hole of the transmission gear 11. The stay wire sleeve 16 is connected with the self-locking elastic sheet 12 through the ball head stay wire 14, the ball head is arranged at the tail end of the stay wire, one end of the self-locking elastic sheet 12, which is provided with a supporting clamp, is provided with a small hole, the stay wire penetrates through the small hole, the ball head is arranged in the self-locking elastic sheet, the diameter of the ball head is larger than the inner diameter of the small hole, so that the ball head cannot penetrate through the small hole, the ball head plays a role in preventing the elastic sheet from being separated. The return spring 15 is wrapped around the wire and is normally in a compressed state. The return spring can also be replaced by other telescopic return mechanisms with resilience. The wire drawing sleeve and the through hole of the bottom shell are matched to be positioned in a penetrating mode through the stepped hole and the stepped shaft, at least one matching hole is non-circular, the purpose of the wire drawing sleeve and the through hole is to prevent relative rotation of the wire drawing sleeve and the bottom shell, and particularly when the hole is in a regular polygon shape, the wire drawing sleeve and the through hole can also guarantee a plurality of relatively fixed installation angles. Specifically, an E-shaped retainer ring 13 is mounted on the wire drawing sleeve 16, and the retainer ring axially positions the wire drawing cap and positions the wire drawing sleeve on the bottom shell 8, in this example, the E-shaped retainer ring is adopted. The other side of the bottom shell is provided with a through hole, one end of the wire drawing sleeve 16 extends into the through hole, and the other end of the wire drawing sleeve is exposed outside the bottom shell for operation. The through hole is provided with a step surface and is provided with an annular sealing element 7 to play a role of sealing, the inner ring is matched with the wire drawing sleeve 16 to form sealing, and the outer ring is matched with the through hole to form sealing.
As an improvement, a limiting block 9 is further installed in the bottom case 8, one side of the limiting block is used for limiting the position of the forward movement (with the front end of the bolt sliding block and the rear end of the wire drawing sleeve) of the feed screw 10, and the other side of the limiting block is used for limiting the position of the backward movement of the bolt sliding block 4, so that the relative stroke of the bolt sliding block and the bolt sliding block in the bottom case 8 is ensured to be fixed, and meanwhile, the effect of facilitating the installation of all parts is achieved.
In addition, the bottom case 8 may be embedded with a conductive material to provide an electrical path for the signal feedback unit 3 and the electric power conversion unit 2. Preferably, the pole pieces of the two are elastically connected with the conducting pole piece led out from the bottom shell 8 in a clamping manner.
Under the normal state, the hook of the self-locking elastic sheet 12 is positioned at the upper stop position of the slideway (as shown in fig. 3) under the elastic acting force of the return spring 15, the self-locking elastic sheet 12 supports the double-cantilever end clamped into the feed screw 10, and the double cantilevers cannot deflect inwards after being clamped, so that the wedge-shaped protrusion in the square hole of the transmission gear 11 plays a role of clamping and preventing the feed screw 10 from moving backwards. Under the condition, when the driving gear 112 rotates, the feed screw is decelerated according to a certain speed ratio through transmission of the two gears, and the feed screw is driven to rotate in the blind hole of the bolt slider, and the bolt slider is in plane contact with the upper shell and the lower shell and is stopped rotating, so that the slider and the screw move relatively, the relative distance between the feed screw 10 and the bolt slider 4 along the axial direction of the screw changes, and the bolt 2 slider can be driven to move back and forth. Therefore, the electronic unlocking action of the electronic lock is realized. Under abnormal conditions, such as electrical failure, signal error and the like, external force can be applied to pull the wire rope part at the tail end of the ball head pull wire 14, the ball head can drive the hook of the self-locking elastic sheet 12 to slide to the lower stop position of the rectangular slideway, the support card can be just completely separated from the tail end of the double cantilevers of the feed screw 10, and the cantilevers are in a free state. Then, the hook of the self-locking elastic sheet 12 can drive the feed screw 10 to slide backwards in the square hole of the transmission gear 11, and through the wedge-shaped protruding buckle, two pairs of wedge-shaped protrusions in the double-cantilever and the square hole of the transmission gear abut against each other, the double-cantilever bends and deflects inwards under the extrusion effect of the wedge-shaped protrusion in the square hole of the transmission gear 11, the buckle is disengaged, the feed screw 10 can continue to move backwards in the square hole of the transmission gear 11, and the feed screw can drive the lock tongue sliding block to move backwards together. At this time, the manual unlocking action of the electronic lock is realized.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (16)
1. An electronic locking device, characterized in that: the automatic unlocking device comprises a shell, and a power mechanism, a transmission mechanism, a lock tongue slide block, a feed screw, a self-locking elastic sheet, a reset mechanism and an unlocking action mechanism which are arranged in the shell; the power mechanism is connected with the transmission mechanism, the transmission mechanism is connected with the feeding screw rod, and the transmission mechanism is used for transmitting the power generated by the power mechanism to the feeding screw rod; one end of the lock tongue sliding block is connected with one end of the feed screw through threads, the lock tongue part at the other end extends out of the shell, the transmission mechanism comprises a transmission gear, a through hole is formed in the transmission gear, a sliding groove is formed in the feed screw along the axis direction, the other end, far away from the lock tongue sliding block, of the feed screw is inserted into the through hole of the transmission gear, the end is provided with two cantilevers capable of deflecting inwards under the action of external force, a buckle structure is arranged on the inner wall of the transmission gear and/or the outer wall of the feed screw, and when the transmission gear and the feed screw move; one end of the self-locking elastic sheet is provided with a hook which is arranged in the chute, the other end of the self-locking elastic sheet is provided with a supporting card which can prop against the two cantilevers of the feed screw from the inner side, and when the hook on the self-locking elastic sheet slides in the chute, the supporting card can be separated from the tail ends of the two cantilevers of the feed screw; the unlocking action mechanism is connected with the self-locking elastic sheet, one end of the unlocking action mechanism is arranged in the shell, the other end of the unlocking action mechanism extends out of the shell, and the unlocking action mechanism can drive the self-locking elastic sheet to move along the axial direction; the reset structure is arranged between the unlocking action mechanism and the self-locking elastic sheet and is in a compressed state in an installation state.
2. The electronic locking device of claim 1, wherein: at least one pair of wedge-shaped bulges are arranged at the corresponding positions of the tail ends of the two cantilevers of the feed screw and the inner wall of the transmission gear.
3. The electronic locking device of claim 1, wherein: the spring bolt sliding block is connected with the feeding screw rod, one end of the feeding screw rod, which is provided with external threads, is screwed in the sliding groove of the spring bolt sliding block.
4. The electronic locking device of claim 1, wherein: the one end that the spring bolt slider is connected with the feed screw is square, and the surface of square end is equipped with two at least direction bosss, and the direction boss can be at the inside slide internal motion of casing.
5. The electronic locking device of claim 1, wherein: still be provided with signal feedback unit in the casing, be provided with trigger mechanism on the spring bolt slider surface, trigger mechanism can trigger signal feedback unit.
6. The electronic locking device of claim 5, wherein: the trigger mechanism is a small bulge arranged on the outer side of the bolt sliding block.
7. The electronic locking device of claim 1, wherein: the self-locking elastic sheet is provided with a hole, and the part of the unlocking action mechanism can freely pass through the hole while the end part can not pass through the hole.
8. The electronic locking device of claim 7, wherein: the unlocking action mechanism comprises a pull wire sleeve and a pull wire connected with the pull wire sleeve, the pull wire is connected with the self-locking elastic sheet, and the reset mechanism is a spring and is arranged on the pull wire.
9. The electronic locking device of claim 8, wherein: the wire drawing sleeve and the bottom shell via hole are matched to be positioned in a penetrating mode through the stepped hole and the stepped shaft, at least one matching hole is non-circular, and when the hole is a regular polygon, the wire drawing sleeve and the bottom shell can have a plurality of relatively fixed installation angles.
10. The electronic locking device of claim 1, wherein: a limiting block is further installed in the shell, one side of the limiting block is used for limiting the forward movement position of the feeding screw, the other side of the limiting block is used for limiting the backward movement position of the lock tongue sliding block, and the limiting block is detachable.
11. The electronic locking device of claim 1, wherein: the shell can also be embedded with conductive materials which are respectively electrically connected with the signal feedback unit and the power unit and provide an electric path for the signal feedback unit and the power unit.
12. The electronic locking device of claim 1, wherein: the bolt sliding block and the unlocking action mechanism are provided with sealing parts at the positions penetrating out of the shell.
13. The electronic locking device of claim 1, wherein: the housing includes an upper cover and a bottom cover assembled together.
14. An electronic locking device, characterized in that: the feeding screw rod comprises a transmission gear and a feeding screw rod, wherein a through hole is formed in the transmission gear, one end of the feeding screw rod is a threaded rod, the other end of the feeding screw rod is inserted into the through hole, the end of the feeding screw rod is provided with two cantilevers capable of deflecting inwards under the action of external force, at least one pair of wedge-shaped protrusions are arranged at the corresponding positions of the tail ends of the two cantilevers of the feeding screw rod and the inner wall of the transmission gear, and the cantilevers can deflect inwards.
15. An electronic locking device, characterized in that: the self-locking elastic sheet is arranged on the feeding screw rod, the feeding screw rod is provided with a sliding chute along the axis direction, one end of the sliding chute is a threaded rod, and the other end of the sliding chute is provided with two cantilevers capable of inwards deviating under the action of external force; the self-locking elastic sheet is provided with a hook at one end, the hook is arranged in the chute, the other end of the self-locking elastic sheet is provided with a supporting card which can abut against the two cantilevers of the feed screw from the inner side, and when the hook slides in the chute, the supporting card can be separated from the tail ends of the two cantilevers of the feed screw.
16. A charging receptacle, comprising: the charging socket is provided with the electronic locking device of any one of claims 1-15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653436.9U CN211397055U (en) | 2019-05-08 | 2019-05-08 | Electronic locking device and charging socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653436.9U CN211397055U (en) | 2019-05-08 | 2019-05-08 | Electronic locking device and charging socket |
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| CN211397055U true CN211397055U (en) | 2020-09-01 |
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| CN201920653436.9U Active CN211397055U (en) | 2019-05-08 | 2019-05-08 | Electronic locking device and charging socket |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115859397A (en) * | 2023-02-27 | 2023-03-28 | 合肥联宝信息技术有限公司 | Safety structure of electronic equipment and electronic equipment |
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2019
- 2019-05-08 CN CN201920653436.9U patent/CN211397055U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115859397A (en) * | 2023-02-27 | 2023-03-28 | 合肥联宝信息技术有限公司 | Safety structure of electronic equipment and electronic equipment |
| CN115859397B (en) * | 2023-02-27 | 2023-07-11 | 合肥联宝信息技术有限公司 | Security structure of electronic equipment and electronic equipment |
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