Door lock structure of cold fresh cabinet door

Abstract

The utility model provides a door lock structure of a cold fresh cabinet door, and belongs to the technical field of cold fresh cabinets, the door lock structure specifically comprises a lock, the lock comprises a magnetic signal conversion assembly, a first locking assembly and a second locking assembly, the first locking assembly comprises a lock head and a lock catch, the lock head is arranged on a door plate, the lock catch is arranged on a door frame, and the lock head and the lock catch are correspondingly arranged; the lock head comprises a mounting shell and a spring bolt, the spring bolt extends into the lock catch after extending out of the mounting shell and is used for fixing the door plate on the door frame, and the magnetic signal conversion assembly is arranged in the mounting shell; the second locking assembly comprises a signal receiver, a driving motor, a gear and a pushing block, a limiting groove is formed in the spring bolt, the pushing block is arranged at the bottom of the lock catch, a rack is arranged on the pushing block, the gear is meshed with the rack, the driving motor is fixedly connected with the gear, and the signal receiver is electrically connected with the driving motor. The signal receiver is any one kind of signal receiver except a magnetic signal receiver. By means of the treatment scheme, the anti-theft performance of the cold fresh cabinet is improved.

Description

Technical Field

[0001] The present application relates to the field of fresh-keeping cabinets, and in particular to a door lock structure for a fresh-keeping cabinet door. Background Art

[0002] With the rapid development of society and the advancement of science and technology, people have more and more ways to preserve vegetables. At present, the most common fresh-keeping cabinets on the market usually preserve vegetables at low temperatures. To facilitate customers' purchase, the fresh-keeping cabinets are mostly vertical cabinets, and a plurality of placement frames are arranged in the cabinet from top to bottom. A plurality of water mist humidifiers are installed in the vertical cabinet, and the water mist humidifiers are used to humidify and preserve the items in the placement frames.

[0003] At present, the door locks of cold storage cabinets on the market are magnetic signal locks. Usually, customers scan the QR code on the door panel and click the door opening option. The customer's mobile phone transmits the command to the cloud via the Internet, and the cloud transmits the door opening command to the magnetic signal lock. The receiving component in the magnetic signal lock converts the command into a magnetic signal after receiving the command, and locks the door panel through the magnetic signal.

[0004] However, in actual use, some speculators will use permanent magnets to approach the magnetic signal lock, and use the magnetic signal of the permanent magnet to affect the sensor, thereby opening the door panel and stealing the goods. Utility Model Content

[0005] In view of this, the present application provides a door lock structure for a cold storage cabinet door, which solves the problem in the prior art that the magnetic signal lock is easily interfered by the permanent magnet.

[0006] The door lock structure of a cold storage cabinet door provided in the present application adopts the following technical solution:

[0007] A door lock structure for a cold cabinet door, comprising a door frame and a door panel, wherein the door panel is arranged on the door frame, and further comprising a lock, wherein the lock comprises a magnetic signal conversion component, a first locking component and a second locking component, wherein the first locking component comprises a lock head and a lock buckle, wherein the lock head is arranged on the door panel, the lock buckle is arranged on the door frame, and the lock head and the lock buckle are arranged correspondingly, wherein the lock head comprises a mounting shell and a lock tongue, wherein the lock tongue extends out of the mounting shell and then extends into the lock tongue, and is used to fix the door panel on the door frame, and wherein the magnetic signal conversion component is arranged in the mounting shell;

[0008] The second locking assembly includes a signal receiver, a driving motor, a gear and a pushing block. The lock tongue is provided with a limiting groove, the pushing block is arranged at the bottom of the lock buckle, the pushing block is provided with a rack, the gear is meshed with the rack, the driving motor is fixedly connected to the gear, the signal receiver is electrically connected to the driving motor, and the signal receiver is any signal receiver except a magnetic signal receiver.

[0009] By adopting the above technical solution, when the lock tongue of the first locking member extends into the lock buckle under the action of the magnetic signal conversion component, a signal is sent to the signal receiver. After receiving the signal, the signal receiver controls the drive motor to rotate, and the drive motor drives the gear, and further transmits the rack, thereby controlling the push block to push upward and enter the limit groove on the lock tongue, thereby doubly locking the door panel, thereby avoiding the lock from being opened due to external magnetic signal interference and enhancing the anti-theft performance of the lock.

[0010] Optionally, the magnetic signal conversion component includes a battery pack, a normally open reed switch, an electric cylinder and a magnetic signal transmitter, the electric cylinder is disposed in the mounting shell, the pushing end of the electric cylinder is fixedly connected to the locking tongue, the normally open reed switch, the battery pack and the electric cylinder are electrically connected in series, and the magnetic signal transmitter is disposed in the mounting shell, located on a side close to the normally open reed switch.

[0011] By adopting the above technical solution, the magnetic signal transmitter is controlled to emit a magnetic signal, and under the influence of the magnetic signal, the normally open reed switch is controlled to close, thereby connecting the circuit. The battery pack is used to power the electric cylinder to control the pushing and retraction, and further control the extension and retraction of the lock tongue. Controlling the opening and closing of the lock by magnetic signals can effectively save energy costs, and also achieve the purpose of remote control.

[0012] Optionally, the lock also includes an automatic closing component, which includes a fixed plate, a rotating plate and a torsion spring, wherein the fixed plate is arranged on a side of the door frame away from the lock buckle, the rotating plate is arranged on the door panel, the rotating plate is rotatably connected to the fixed plate, and the torsion spring is arranged at the connection between the fixed plate and the rotating plate.

[0013] By adopting the above technical solution, the fixed plate is installed on the door frame, and the rotating plate is installed on the door panel. The opening and closing of the door panel is realized by the rotating connection between the fixed plate and the rotating plate. A torsion spring is arranged at the rotating connection between the fixed plate and the rotating plate, and the two ends of the torsion spring are respectively connected to the fixed plate and the rotating plate. At this time, after the door panel is rotated to open, the tension of the torsion spring itself can pull the door panel to close again. Therefore, after the customer finishes purchasing the goods, the door panel can automatically close even when no one is watching, thereby achieving the purpose of theft prevention.

[0014] Optionally, two locks are provided along the door panel from top to bottom.

[0015] By adopting the above technical solution, installing two locks can effectively prevent thieves from lifting the door from the bottom door gap to steal the goods in the cold storage cabinet, thereby effectively improving the anti-theft capability.

[0016] Optionally, the magnetic signal transmitter is an electromagnetic coil, and the electromagnetic coil is disposed in the mounting shell and is located close to a side of the normally open reed switch.

[0017] By adopting the above technical solution, the electromagnetic coil can generate a magnetic field after being energized, thereby sending out a magnetic signal to affect the closing of the reed switch. In addition, the electromagnetic coil has a simple structure and a low price, and can be purchased at any time in the market.

[0018] Optionally, the automatic closing component also includes an alarm component, which includes a contact sensor, a contact sensing block and an alarm, the contact sensor is arranged on the fixed plate, the contact sensing block is arranged on the rotating plate, the alarm is arranged on the door frame, and the alarm and the contact sensor are electrically connected.

[0019] By adopting the above technical solution, the contact sensing block and the contact sensor can contact each other when the cabinet door is closed, thereby blocking the electrical connection with the alarm. When the cabinet door is opened, the electrical connection is connected and the alarm buzzes. The buzzing sound of the alarm can remind customers to take good care of the door panel after shopping, and can also have a certain deterrent effect on thieves.

[0020] Optionally, the alarm component further includes a delay module, which is disposed on the contact sensor and is electrically connected to the contact sensor and the alarm.

[0021] By adopting the above technical solution, the delay module can be edited to set the time, and the alarm can be set by setting the delay time. When a customer does not close the door after shopping, or a foreign object jams the door and cannot be closed, the alarm will beep after a certain period of time to remind nearby operators to close the door, which can effectively reduce the risk of theft of goods in the cold storage cabinet.

[0022] In summary, this application includes the following beneficial technical effects:

[0023] Firstly, the preliminary locking of the lock by magnetic signal can realize remote operation and has low cost. Meanwhile, further locking by the push block and the limit groove on the lock tongue after the preliminary locking can effectively prevent some lawless persons from opening the lock by the permanent magnet, and the anti-theft effect is further strengthened. Secondly, under the action of the torsion spring, the door panel can be automatically closed after it is opened, and the economic loss caused by some careless customers who forget to close the door after shopping is prevented. Finally, under the action of the alarm, when the door panel is opened, the contact sensing block and the contact sensor are separated, and the delay module is powered on at this time, and a delay instruction is issued to the alarm. If the door panel is closed within the delay range, the contact sensing block is in contact with the contact sensor, and the delay module is powered off at this time, and the alarm is also powered off, and the alarm will not make a sound. If the door panel is not successfully closed, after exceeding the delay range, the alarm will emit a buzzer to remind nearby staff to lock the door panel, which greatly enhances the anti-theft effect of the cold cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 This is a structural schematic diagram of a door lock structure for a cold storage cabinet door according to an embodiment of the present application.

[0026] Figure 2 This is a partial cross-sectional view of a door lock structure of a cold storage cabinet door according to an embodiment of the present application.

[0027] Figure 3 Another partial cross-sectional view of a door lock structure of a cold storage cabinet door according to an embodiment of the present application.

[0028] Figure 4 This is a partial structural schematic diagram of a door lock structure of a cold storage cabinet door according to an embodiment of the present application.

[0029] Figure 5 for Figure 4 Partial structural cross-section view.

[0030] Figure 6 for Figure 4 Another part of the structural cross-section.

[0031] Explanation of the reference numerals: 1. door frame; 2. door panel; 3. lock; 31. magnetic signal conversion component; 311. battery pack; 312. normally open reed switch; 313. electric cylinder; 314. magnetic signal transmitter; 32. first locking component; 321. lock head; 3211. mounting shell; 3212. lock tongue; 3123. limit groove; 322. lock buckle; 33. second locking component; 331. signal receiver; 332. drive motor; 333. gear; 334. push block; 3341. rack; 34. automatic closing component; 341. fixing plate; 342. rotating plate; 343. torsion spring; 344. alarm component; 3441. contact sensor; 3442. contact sensing block; 3443. alarm; 3444. delay module. DETAILED DESCRIPTION

[0032] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0033] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0034] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0035] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0036] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects described may be practiced without these specific details.

[0037] An embodiment of the present application provides a door lock structure for a cold storage cabinet door.

[0038] Reference Figure 1-3, including a door frame 1 and a door panel 2, the door panel 2 is installed on the door frame 1, and also includes a lock 3, the lock 3 is installed in two groups along one side of the door panel 2 from top to bottom, the lock 3 includes a magnetic signal conversion component 31, a first locking component 32 and a second locking component 33, the first locking component 32 includes a lock head 321 and a lock buckle 322, the lock head 321 is installed on the door panel 2, the lock buckle 322 is installed on the door frame 1 by bolts, and the lock head 321 and the lock buckle 322 are correspondingly arranged, the lock head 321 includes a mounting shell 3211 and a lock tongue 3212, the mounting shell 3211 is fixed to the door panel 2 by bolts, and the lock tongue 3212 extends out of the mounting shell 3 211 extends into the lock buckle 322, which is used to fix the door panel 2 on the door frame 1, and the magnetic signal conversion component 31 is installed in the installation shell 3211; the magnetic signal conversion component 31 includes a battery pack 311, a normally open reed switch 312, an electric cylinder 313 and a magnetic signal transmitter 314, the electric cylinder 313 is fixed in the installation shell 3211 by bolts, the push end of the electric cylinder 313 is welded to the lock tongue 3212, the normally open reed switch 312, the battery pack 311 and the electric cylinder 313 are electrically connected in series, and the magnetic signal transmitter 314 is an electromagnetic coil, which is fixed in the installation shell 3211 by bolts and is located on the side close to the normally open reed switch 312.

[0039] Reference Figure 1-Figure 3 The second locking assembly 33 includes a signal receiver 331, a driving motor 332, a gear 333 and a pushing block 334. A limiting groove 3123 is opened on the lock tongue 3212. The pushing block 334 is slidably connected in the lock buckle 322. A rack 3341 is welded on the pushing block 334. The gear 333 is meshed with the rack 3341. The driving motor 332 is welded with the gear 333. The signal receiver 331 is electrically connected to the driving motor 332. The signal receiver 331 is any signal receiver 331 except the magnetic signal receiver 331. The signal receiver 331 disclosed in this embodiment is an electrical signal receiver 331.

[0040] Reference Figure 1 and Figure 4-Figure 6 The lock 3 also includes an automatic closing component 34, which includes a fixed plate 341, a rotating plate 342 and a torsion spring 343. The fixed plate 341 is fixed to the door frame 1 on the side away from the lock catch 322 by bolts, and the rotating plate 342 is fixed to the door panel 2 by bolts. The rotating plate 342 is rotatably connected to the fixed plate 341, and the torsion spring 343 is sleeved at the connection between the fixed plate 341 and the rotating plate 342.

[0041] The automatic closing component 34 also includes an alarm component 344, which includes a contact sensor 3441, a contact sensing block 3442 and an alarm 3443. The contact sensor 3441 is embedded and welded on the fixed plate 341, the contact sensing block 3442 is welded on the rotating plate 342, the alarm 3443 is installed on the door frame 1 by bolts, and the alarm 3443 and the contact sensor 3441 are electrically connected; the alarm component 344 also includes a delay module 3444, which is welded on the contact sensor 3441 on the fixed plate 341, and is electrically connected to the alarm 3443 and the contact sensor 3441.

[0042] The implementation principle of a fixing fixture of a bolt pad in the embodiment of the present application is as follows: when a customer needs to purchase goods in the cold storage cabinet, he or she will use a mobile phone to scan the QR code. At this time, the customer's mobile phone will send an unlocking command to the cloud through the Internet. The cloud will convert the unlocking command into an electrical signal and send it to the cold storage cabinet door lock. First, the electrical signal is received by the signal receiver 331. The signal receiver 331 will control the drive motor 332 to drive the gear 333 to rotate, thereby driving the rack 3341 to rotate, and move the push block 334 out of the limit groove 3123. At the same time, the electromagnetic coil is energized. After the electromagnetic coil is energized, a magnetic field will be generated, and a magnetic signal will be emitted. The magnetic signal will affect the closing of the normally open reed switch 312. At this time, the circuit is connected, and the battery pack 311 supplies power to drive the electric cylinder 313 to retract, and the lock tongue 3212 is pulled out of the lock buckle 322. At this time, the customer opens the door panel 2 to make purchases. When the customer opens the door panel 2, the torsion spring 343 will be driven by the rotating piece 342 When the door panel 2 is closed, the contact sensing block 3442 contacts the contact sensor 3441 again, and the circuit is disconnected. At this time, the alarm 3443 will not continue to make a sound, and the cloud will send a closing command to the cold storage cabinet, and the electric cylinder 313 controls the lock tongue 3212 to re-extend into the lock buckle 322, and the signal receiver 331 controls the drive motor 332 to rotate, so as to push the push block 334 into the limit groove 3123 again to re-lock the door panel 2.

[0043] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A door lock structure for a cold food cabinet door, comprising a door frame (1) and a door panel (2), wherein the door panel (2) is arranged on the door frame (1), and is characterized in that The invention also comprises a lock (3), wherein the lock (3) comprises a magnetic signal conversion component (31), a first locking component (32) and a second locking component (33), wherein the first locking component (32) comprises a lock head (321) and a lock buckle (322), wherein the lock head (321) is arranged on the door panel (2), and the lock buckle (322) is arranged on the door frame (1), and the lock head (321) and the lock buckle (322) are arranged correspondingly, wherein the lock head (321) comprises a mounting shell (3211) and a lock tongue (3212), wherein the lock tongue (3212) extends out of the mounting shell (3211) and then extends into the lock buckle (322), and is used for fixing the door panel (2) on the door frame (1), and the magnetic signal conversion component (31) is arranged in the mounting shell (3211); The second locking assembly (33) comprises a signal receiver (331), a driving motor (332), a gear (333) and a pushing block (334); the locking tongue (3212) is provided with a limiting groove (3123); the pushing block (334) is arranged at the bottom of the lock buckle (322); a rack (3341) is provided on the pushing block (334); the gear (333) is meshed with the rack (3341); the driving motor (332) is fixedly connected with the gear (333); the signal receiver (331) is electrically connected with the driving motor (332); and the signal receiver (331) is any signal receiver (331) except a magnetic signal receiver (331).

2. A door lock structure for a cold storage cabinet door according to claim 1, characterized in that: The magnetic signal conversion component (31) comprises a battery pack (311), a normally open reed switch (312), an electric cylinder (313) and a magnetic signal transmitter (314); the electric cylinder (313) is arranged in the mounting shell (3211); the push end of the electric cylinder (313) is fixedly connected to the lock tongue (3212); the normally open reed switch (312), the battery pack (311) and the electric cylinder (313) are electrically connected in series; and the magnetic signal transmitter (314) is arranged in the mounting shell (3211) and is located on a side close to the normally open reed switch (312).

3. The door lock structure of a cold storage cabinet door according to claim 1, characterized in that: The lock (3) further comprises an automatic closing component (34), wherein the automatic closing component (34) comprises a fixed plate (341), a rotating plate (342) and a torsion spring (343), wherein the fixed plate (341) is arranged on a side of the door frame (1) away from the lock catch (322), the rotating plate (342) is arranged on the door panel (2), the rotating plate (342) is rotatably connected to the fixed plate (341), and the torsion spring (343) is arranged at the connection between the fixed plate (341) and the rotating plate (342).

4. The door lock structure of a cold storage cabinet door according to claim 2, characterized in that: Two locks (3) are arranged in sequence along the door panel (2) from top to bottom.

5. The door lock structure of a cold storage cabinet door according to claim 2, characterized in that: The magnetic signal transmitter (314) is an electromagnetic coil, which is arranged in the mounting shell (3211) and is located close to the side of the normally open reed switch (312).

6. The door lock structure of a cold storage cabinet door according to claim 3, characterized in that: The automatic closing component (34) further comprises an alarm component (344), wherein the alarm component (344) comprises a contact sensor (3441), a contact sensing block (3442) and an alarm (3443), wherein the contact sensor (3441) is arranged on the fixed plate (341), the contact sensing block (3442) is arranged on the rotating plate (342), and the alarm (3443) is arranged on the door frame (1), and the alarm (3443) and the contact sensor (3441) are electrically connected.

7. The door lock structure of a cold storage cabinet door according to claim 6, characterized in that: The alarm component (344) further comprises a delay module (3444), wherein the delay module (3444) is arranged on the contact sensor (3441), and the delay module (3444) is electrically connected to the contact sensor (3441) and the alarm (3443).

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