CN108798284B - Electromagnetic lock structure of shared refrigerating device - Google Patents

Abstract

The utility model provides a sharing formula refrigerating plant's electromagnetic lock structure, including electromagnetic lock assembly, electromagnetic lock assembly includes the lock shell, the solenoid valve, the spring bolt, the torsional spring, the unlocking piece, unlocking lever and unlocking piece pressure spring, there is the spring bolt hook chamber front end of lock shell, spring bolt hook chamber communicates with each other with the lock shell chamber, the solenoid valve is fixed in the lock shell intracavity, the case return spring is established to the cover on the case, there is the spring bolt hook lower part of spring bolt, the spring bolt hook supports on the spring bolt hook epaxial, the both ends and the lock shell of spring bolt hook are fixed, the torsional spring is established on the spring bolt hook epaxial, the first torsional spring foot of torsional spring is kept out in the upper portion of spring bolt, the second torsional spring foot is kept out in the middle part of torsional spring foot backing pin, the both ends and the lock shell are fixed, the unlocking piece pivot is epaxial, the both ends and the lock shell are fixed of unlocking piece, the one end and the unlocking piece are fixed, the other end is the unlocking piece pressure spring is established between the upper portion and the lock shell of unlocking piece. Emergency unlocking of the unlocking lever may be performed manually when a situation such as a power outage, a malfunction of the electrical control device, or the like is encountered.

Description

Electromagnetic lock structure of shared refrigerating device

Technical Field

The invention belongs to the technical field of food refrigerated cabinets, and particularly relates to an electromagnetic lock structure of a shared refrigeration device.

Background

The naming of the shared refrigeration device is similar to that of a logistics distribution terminal refrigeration fresh-keeping cabinet in terms of a macroscopic structure according to application occasions. Specifically, the former is mainly used for schools such as middle and high-grade professional technical schools, student apartments of higher schools, scientific research institutions, office buildings, hospitalization areas of hospitals, dormitory areas of industrial and mining enterprises, and the like, and the latter is mainly used for communities, specific areas of residential buildings, community concierge with property management, and the like. The former is used in a manner that the user temporarily registers and extracts autonomously, and the latter is used in a manner that the user arrives at the logistics department and extracts itself after temporary storage.

Typical examples of the former can be found in published chinese patent documents, such as CN206709472U (a community public refrigerator), CN207081258U (a shared refrigerator), CN207197040U (direct-cooled shared refrigerator) and CN207197039U (refrigerator), and so on. Typical examples of the latter are also found in the published chinese patent documents, such as CN202757368U (a cabinet for refrigerating and insulating a logistics distribution terminal), CN203168470U (a cabinet for refrigerating and insulating a logistics distribution terminal), CN202976312U (a solar automatic machine for refrigerating and insulating a restaurant online shopping community), CN103689920B (a fresh-keeping device for a logistics distribution terminal), CN103735045B (a combined cabinet structure for a logistics distribution terminal) and CN104146501B (a cabinet structure for refrigerating a logistics distribution terminal), etc.

The above-mentioned sharing type refrigerating plant and terminal fresh-keeping device can both embody convenience and resource's maximize result of use, but in actual use, often meet circumstances such as external power supply line rush-repair, regulator cubicle (feeder cubicle) trouble, tripping operation and electromagnetic lock self trouble, lead to the awkward situation that the electromagnetic lock that is used for controlling refrigerating plant's deposit chamber door can't in time open in the short time, in order to solve this problem, the applicant has proposed the technical scheme that will be described below just.

Disclosure of Invention

The invention aims to provide an electromagnetic lock structure of a shared refrigeration device, which facilitates the convenient implementation of manual emergency unlocking and avoids the influence on the timely taking and placing of food into and out of a storage cavity caused by the situations such as power failure, failure of an electric control device and the like.

The electromagnetic lock structure of the shared refrigeration device comprises an electromagnetic lock assembly, wherein the electromagnetic lock assembly comprises a lock shell, an electromagnetic valve, a lock tongue, a torsion spring, an unlocking block, an unlocking rod and an unlocking block pressure spring, a lock tongue hook cavity is formed at the front end of the lock shell, the lock tongue hook cavity is communicated with the lock shell cavity of the lock shell, the electromagnetic valve is fixed in the lock shell cavity at a position corresponding to the rear end of the lock tongue, the upper end of a valve core of the electromagnetic valve protrudes out of the lock shell cavity, a valve core return spring is sleeved on the valve core, a lock tongue hook is formed at the lower part of the lock tongue, the lock tongue hook is rotatably supported on a lock tongue hook shaft and corresponds to the lock tongue hook cavity, two ends of the lock tongue hook shaft are fixed with the lock shell, the torsion spring is arranged on the lock tongue hook shaft, a first torsion spring foot of the torsion spring is blocked at the upper part of the lock tongue, two ends of the torsion spring foot blocking pin are fixed with the lock shell, the unlocking block is pivoted on the lock tongue shaft at a position corresponding to the rear end of the lock tongue, the unlocking block is arranged on the unlocking block shaft and extends towards the lock shell, and the unlocking block is arranged at the other end of the unlocking block.

In a specific embodiment of the invention, an electromagnetic lock control wire introduction relief hole is formed at the rear end of the lock shell, and a rubber sealing gasket is inserted at a position corresponding to the electromagnetic lock control wire introduction relief hole.

In another specific embodiment of the present invention, an unlocking rod hole is formed on the valve core and at a position corresponding to the unlocking rod, and the unlocking rod passes through the unlocking rod hole; an unlocking block spring cavity is formed in the upper portion of the unlocking block, and the unlocking block pressure spring is supported between the unlocking block spring cavity and one side, facing the unlocking block, of the lock shell.

According to the technical scheme provided by the invention, when the situation such as power failure and failure of an electrical control device is met, emergency unlocking can be manually implemented on the unlocking rod, so that a user is ensured to take and put food into the storage cavity.

Drawings

Fig. 1 is a cross-sectional view of an electromagnetic lock assembly of the present invention.

Fig. 2 is a structural view of the shared refrigeration apparatus according to the present invention.

Fig. 3 is a schematic view of the shackle shown in fig. 1 in an unlocked position with respect to the electromagnetic lock assembly.

Fig. 4 is a schematic view of the shackle shown in fig. 1 in locking engagement with an electromagnetic lock assembly.

Fig. 5 is a schematic view of the refrigeration mechanism shown in fig. 2.

Detailed Description

In order to make the technical spirit and advantages of the present invention more clearly understood, the applicant will now make a detailed description by way of example, but the description of the examples is not intended to limit the scope of the invention, and any equivalent transformation made merely in form, not essentially, according to the inventive concept should be regarded as the scope of the technical solution of the present invention.

In the following description, all concepts related to the directions or azimuths of up, down, left, right, front and rear are based on the position state of fig. 2, and thus should not be construed as a specific limitation on the technical solution provided by the present invention.

For a convenient understanding of the present invention, the applicant first describes fig. 2 to 4. Referring to fig. 2, a cabinet 1 is shown, wherein each independent storage cavity 11 is partitioned in the cabinet 1, the number of the storage cavities 11 is plural from left to right, each column is plural from top to bottom, a cabinet top box 13 is formed above a cabinet top plate 12 at the upper part of the cabinet 1, the cabinet top box 13 is provided with a cabinet top box cavity 131, and a refrigerating mechanism cavity 14 is partitioned at the lower part of the cabinet 1; a refrigeration mechanism 2 is shown, the refrigeration mechanism 2 comprises a compressor 21, a condenser 22 and an evaporator 23, the compressor 21 and the condenser 22 are arranged in the refrigeration mechanism 14, the number of the evaporators 23 is equal to that of the registering cavities 11 and fixed on the registering cavity rear cavity wall of the registering cavity 11, the evaporators 23 in each adjacent registering cavity 11 are connected with each other in a pipeline way, and the refrigerant is led out from the compressor 21 and sequentially returns to the compressor 21 through the condenser 22 and the evaporator 23 and then returns to the compressor 21 through the evaporators 23 to form a refrigeration system loop; showing the same number of the register cavity doors 3 as the register cavity 11, wherein the register cavity doors 3 are arranged at positions corresponding to the register cavity openings of the register cavity 11, the pivot ends of the register cavity doors 3 are pivotally connected with the front side of the cabinet 1 through pin shafts 31, and a lock catch 32 is fixed at the free ends of the register cavity doors 3 and towards one side of the register cavity 11; there are shown the electromagnetic lock assemblies 4 of the present invention for locking or unlocking the aforementioned catches 32, which are also equal in number to the aforementioned catch 11, the electromagnetic lock assemblies 4 being fixed to the side cavity walls of the catch 11 at positions corresponding to the catches 32 and being electrically connected by wires to the electrical controller 5 provided in the aforementioned counter top box 131.

In the present embodiment, the number of the register cavities 11 is four in the longitudinal direction from left to right, i.e., the number of columns is vertically arranged, and each column has five register cavities 11 from top to bottom, so there are twenty register cavities 11 in total, but the number is not limited by the number of the present embodiment, for example, the number of columns may have six, eight, ten, etc., and the number of the register cavities 11 in each column may have six or more. But applicant believes that the number of columns is preferably an even number.

The aforementioned refrigeration coefficient circuit is: the compressor 21, the condenser 22, a filter (not shown) capillary (not shown), the evaporator 23, a receiver (not shown), and the compressor 21, thereby forming an evaporation refrigeration circuit.

Fig. 2 also shows that an insulation layer 16 is arranged in the interlayer of the wall body of the cabinet body 1, and the insulation layer 16 is a polyurethane foaming layer.

The structure of the shared refrigeration device also comprises an emergency unlocking mechanism 6 for acting on the electromagnetic lock assembly 4, and the emergency unlocking mechanism 6 is arranged on the cabinet top plate 12 and extends to the lower part of the cabinet top plate 12 to be matched with the electromagnetic lock assembly 4. Since the emergency release mechanism 6 is manually operated, it may be referred to as a "manual emergency release mechanism (hereinafter the same)".

As shown in fig. 2, the cabinet 1 has a top frame 15, the top frame 15 is located in the cabinet top box 131, and the electric controller 5 is fixed to the rear side of the top frame 15. Preferably, an advertising display 132 may be provided on the front side of the top box 13.

Referring to fig. 3 to 4 in combination with fig. 2, among the aforementioned plurality of columns, each two adjacent columns is allocated one of the aforementioned emergency unlocking mechanisms 6, the emergency unlocking mechanism 6 includes a pressure lever support seat 61, a pressure lever 62, a connecting tube 63, a pair of unlocking push tubes 64, a pair of outer catheters 65, and a pair of unlocking push tube return springs 66, the pressure lever support seat 61 is located in the aforementioned cabinet top tank chamber 131 and fixed to the aforementioned cabinet top plate 12, the middle portion of the pressure lever 62 is hinged to the upper portion of the pressure lever support seat 61 and the pressure lever 62 is provided toward one end of the connecting tube 63 in the middle portion of the connecting tube 63, each of the pair of outer catheters 65 is provided with an outer catheter chamber 652 penetrating from the upper end to the lower end, the pair of outer catheters 65 respectively correspond to the aforementioned two columns and the upper portion of the outer catheters 65 is fixed to the aforementioned cabinet top plate 12, the lower portion is provided at a position on the rear side (i.e., rear end) corresponding to the aforementioned lock assembly 4 on the side wall of the aforementioned cabinet top plate 11 and at a position of the release section 651, the number of the unlocking push tube section 651 is equal to the number of the upper end of the corresponding to the unlocking push tube section 641, the electromagnetic tube section 641 is provided at the upper end of the corresponding to the upper end of the unlocking push tube section 641 and the upper end of the connecting tube section 641 is provided between the corresponding to the upper end of the electromagnetic push tube section 641 and the connecting tube section 641 and the upper end 641 and the electromagnetic push tube section 641 is provided between the upper end of the unlocking push tube section 641 and the upper end of the unlocking tube section 641 and the release tube 65 and the corresponding to the upper end of the unlocking tube rod 65 is fixed to the upper end of the aforementioned unlocking push tube 12, an unlocking presser 6421 is extended at one side of the unlocking ejector section connection pipe 642 facing the presser relief cavity 651, the unlocking presser 6421 is extended outwards through the presser relief cavity 651 and is matched with the electromagnetic lock assembly 4, in the unlocking ejector section 641, the upper end of the uppermost unlocking ejector section 641 is inserted into the cabinet top box cavity 131 and is connected with the end of the connection pipe 63, the unlocking ejector section cavity 6411 of the unlocking ejector section 641 is communicated with the connection pipe cavity 633 of the connection pipe 63, the upper ends of the pair of unlocking ejector return springs 66 are fixed with the top frame 15, and the lower ends of the unlocking ejector section 641 are fixed with the uppermost unlocking ejector section 641; the latch 32 is fixed to a side of the holding chamber 11 toward the free end of the holding chamber door 3 by a latch fixing screw 321.

Referring to fig. 2, a pressing rod hinge pin 621 is formed at a side of the middle portion of the pressing rod 62 facing downward, and the pressing rod hinge pin 621 is hinged to the upper portion of the pressing rod supporting seat 61 through a pressing rod hinge pin locking shaft 6211; a connection pipe arm 631 is formed by bending both end portions of the connection pipe 63 downward, and an upper end of the unlocking push pipe segment 641 located at the uppermost portion is connected to the connection pipe arm 631 in the cabinet top chamber 131.

In this embodiment, the pair of unlocking push tube return springs 66 are tension springs, a push rod passing collar 632 is fixed at the middle part of the connecting tube 63 and at one side facing upwards, and the end of the push rod 62 facing the connecting tube 63 is passed through the push rod passing collar 632.

As shown in fig. 3 and 4, an electromagnetic lock control wire introduction relief hole 6422 is formed in the unlocking push pipe section connecting pipe 642 at a position corresponding to the upper side of the unlocking presser 6421, the electromagnetic lock control wire introduction relief hole 6422 is communicated with the unlocking push pipe section cavity 6411 of the unlocking push pipe section 641, and a control wire 7 electrically connected with the electric controller 5 shown in fig. 2 is led out through the unlocking push pipe section cavity 6411 and the electromagnetic lock control wire introduction relief hole 6422 in sequence and is electrically controlled and connected with the electromagnetic lock assembly 4.

Referring to fig. 1, the electromagnetic lock assembly 4 includes a lock case 41, an electromagnetic valve 42, a lock tongue 43, a torsion spring 44, an unlocking block 45, an unlocking lever 46, and an unlocking block compression spring 47, wherein the lock case 41 is fixed to a side wall of the storage chamber 11 at a position corresponding to the lock catch 32, a latch hook cavity 411 is formed at the front end of the lock case 41 at a position corresponding to the aforementioned shackle 32, the latch hook cavity 411 communicates with a housing cavity 412 of the housing 41, the solenoid valve 42 is fixed in the housing cavity 412 at a position corresponding to the rear of the latch 43 and the upper end of the valve core 421 of the solenoid valve 42 protrudes out of the housing cavity 412, a valve core return spring 4212 is sleeved on the valve cake 421, a lock tongue hook 431 is formed at the lower part of the lock tongue 43, the latch hook 431 is rotatably supported on the latch hook shaft 4311 and corresponds to the latch hook cavity 411 described above, both ends of the latch hook shaft 4311 are fixed to the lock case 41, the torsion spring 44 is provided on the latch hook shaft 4311, the first leg 441 of the torsion spring 44 abuts against the upper portion of the tongue 43, and the second leg 442 of the torsion spring 44 abuts against the middle portion of the leg stopper 4421, the torsion spring foot guard 4421 is fixed at both ends to the lock case 41, the unlocking block 45 is pivoted on the unlocking block shaft 451 at a position corresponding to the locking tongue 43, while both ends of the unlocking block shaft 451 are fixed to the lock housing 41, one end of the unlocking rod 46 facing the unlocking block 45 is fixed to the unlocking block 45, the other end extends toward the rear end of the lock housing 41 after passing through the upper end of the valve core 421, i.e., toward the unlocking presser 6421, and is configured as an unlocking end 461, an unlocking block compression spring 47 is provided between the upper portion of the unlocking block 45 and the lock case 41, and the unlocking presser 6421 is engaged with the unlocking end 461.

When the deposit chamber door 3 is in a closed state, the lock catch 32 is inserted into the lock catch chamber 411 and locked by the lock catch 431, the unlocking block 45 is in a locked state with respect to the lock catch 43, and when the solenoid valve 42 is energized to displace the valve body 421 into the valve body of the solenoid valve 42, the valve body 421 drives the unlocking lever 46 and one end of the unlocking lever 46 facing the unlocking block 45 drives the unlocking block 45 to rotate about the unlocking lever shaft 451, the unlocking block 45 is separated from the lock catch 43, the lock catch 431 is withdrawn from the lock catch chamber 411 by the torsion spring 44, and the lock catch 32 is unlocked, and when the solenoid valve 42 is not operated and emergency unlocking is performed by the unlocking presser 6421, the lock catch 431 is unlocked by the unlocking end 461.

With continued reference to fig. 1, an electromagnetic lock control wire introduction relief hole 413 is formed at the rear end of the lock case 41, i.e., toward the side of the unlocking presser 6421, and a rubber sealing gasket 4131 is inserted at a position corresponding to the electromagnetic lock control wire introduction relief hole 413, so that the control wire 7 is introduced into the lock case cavity 412 through the rubber sealing gasket 4131 to be electrically controlled and connected with the electromagnetic valve 42.

A release lever hole 4211 is formed in the valve core 421 and at a position corresponding to the release lever 46, and the release lever 46 passes through the release lever hole 4211; an unlocking block spring cavity 452 is formed at the upper part of the unlocking block 45, and the unlocking block pressure spring 47 is supported between the unlocking block spring cavity 452 and one side of the lock case 41 facing the unlocking block 45.

The latch 32 has a latch hook hole 322, and the latch hook 431 is locked to the latch hook hole 322.

Referring to fig. 5, in fig. 5, there are shown two compressors 21 and two condensers 22 of two sets of refrigeration mechanisms 2, and there are no doubt two evaporators 23, so as to indicate that one refrigeration mechanism 2 is allocated to each two columns of the storage chamber 11 of the cabinet 1 of the present invention.

Under normal use state, the electromagnetic lock assembly 4 is not electrified, and under the action of the spring force of the valve core return spring 4212, the valve core 421 of the electromagnetic valve 42 of the electromagnetic lock assembly 4 extends outwards, so that the unlocking rod 46 drives the unlocking block 45 to be in a locking state of the locking bolt 43, the locking bolt hook 431 at the moment is hooked in the locking bolt hook hole 322, and the registering cavity door 3 cannot be opened. When the food in the holding cavity 11 is to be taken, the taking is started by means of swiping a card or operating an electronic button number lock on the holding cavity door 3. When an unexpected situation is met and emergency unlocking is needed, then the right side of the cabinet body 1, the management side responsible for management or the full-time management personnel arrive at the site, the door of the cabinet top box 13 is opened by a key, the rear end of the pressure lever 62 is lifted upwards manually, at the moment, the front end of the pressure lever 62 is inclined downwards, pressure is applied to the connecting pipe 63, the connecting pipe 63 drives the pair of unlocking push pipes 64 to displace downwards under the action of overcoming the reaction force of the pair of unlocking push pipe return springs 66, the unlocking presser feet 6421 on the pair of unlocking push pipes 64 descend to press the unlocking lever 46 of the structural system of the electromagnetic lock assembly 4, the unlocking lever 46 drives the unlocking block 45 towards one end of the unlocking block 45, the unlocking block 45 rotates around the unlocking block shaft 451 by a certain angle, and the unlocking block 45 rotates clockwise by a certain angle to release the cooperation with the locking bolt 43, taking the position state shown in fig. 1 as an example. Since the lock tongue 43 loses the control of the unlocking block 45, the lock tongue hook 431 of the lock catch 43 rotates around the lock tongue hook shaft 4311 by a certain angle under the action of the first torsion spring leg 41 of the torsion spring 44, and the lock tongue hook 431 withdraws from the lock tongue hook hole 322 of the lock catch 32, so that the deposit chamber door 30 can be opened. When the operator releases the pressure lever 62, the unlocking push tube 64 is pulled upward by the restoring force of the pair of unlocking push tube return springs 66, so that the unlocking presser 6421 leaves the unlocking lever 46, and the whole emergency lock mechanism 6 no longer acts on the electromagnetic lock assembly 4.

In summary, the technical scheme provided by the invention overcomes the defects in the prior art, successfully completes the task of the invention, and faithfully honors the technical effects carried by the applicant in the technical effect column above.

Claims (3)

1. An electromagnetic lock structure of a shared refrigeration device is characterized by comprising an electromagnetic lock assembly (4), wherein the electromagnetic lock assembly (4) comprises a lock shell (41), an electromagnetic valve (42), a lock tongue (43), a torsion spring (44), an unlocking block (45), an unlocking rod (46) and an unlocking block pressure spring (47), a lock tongue hook cavity (411) is formed at the front end of the lock shell (41), the lock tongue hook cavity (411) is communicated with a lock shell cavity (412) of the lock shell (41), the electromagnetic valve (42) is fixed in the lock shell cavity (412) at a position corresponding to the rear end of the lock tongue (43), the upper end of a valve core (421) of the electromagnetic valve (42) stretches out of the lock shell cavity (412), a valve core return spring (4212) is sleeved on the valve core (421), a lock tongue hook (431) is rotatably supported on a lock tongue hook shaft (4311) and corresponds to the lock tongue hook cavity (411), two ends of the lock tongue hook shaft (4311) are fixed on the lock shell cavity (412) at the middle part of the torsion spring (44) and the middle part of the torsion spring (44) is arranged on the middle part of the torsion spring (44) of the lock tongue (4444), the two ends of the torsion spring foot blocking pin (4421) are fixed with the lock shell (41), the unlocking block (45) is pivoted on the unlocking block shaft (451) at a position corresponding to the lock tongue (43), the two ends of the unlocking block shaft (451) are fixed with the lock shell (41), one end of the unlocking rod (46) facing the unlocking block (45) is fixed with the unlocking block (45), the other end of the unlocking rod passes through the upper end of the valve core (421) and extends towards the rear end of the lock shell (41) and is formed into an unlocking end (461), and the unlocking block pressure spring (47) is arranged between the upper part of the unlocking block (45) and the lock shell (41).

2. The electromagnetic lock structure of the shared refrigeration apparatus as set forth in claim 1, characterized in that an electromagnetic lock control wire introduction relief hole (413) is opened at the rear end of the lock case (41), and a rubber sealing gasket (4131) is inserted at a position corresponding to the electromagnetic lock control wire introduction relief hole (413).

3. The electromagnetic lock structure of the shared refrigeration apparatus as set forth in claim 1, wherein an unlocking lever hole (4211) is provided on the valve core (421) at a position corresponding to the unlocking lever (46), the unlocking lever (46) passing through the unlocking lever hole (4211); an unlocking block spring cavity (452) is formed in the upper portion of the Jie Suokuai (45), and the unlocking block pressure spring (47) is supported between the unlocking block spring cavity (452) and one side, facing the unlocking block (45), of the lock shell (41).