CN210118010U

CN210118010U - Electric open type door lock

Info

Publication number: CN210118010U
Application number: CN201920067662.9U
Authority: CN
Inventors: 竺建军; 胡庆状
Original assignee: Hangzhou Kambayashi Electronics Co Ltd
Current assignee: Hangzhou Kambayashi Electronics Co Ltd
Priority date: 2019-01-16
Filing date: 2019-01-16
Publication date: 2020-02-28
Anticipated expiration: 2029-01-16

Abstract

The utility model provides an electricity open-type lock, including the base member, the casing that links to each other with the base member, set the torsional spring rotatable installation in the base member locking body, set reset spring movable mounting operation panel and electro-magnet in the base member, be equipped with the piston in the solenoid of electro-magnet, the upper end of piston is passed through the piston spring and is linked to each other with the base member, the lower extreme of piston links to each other with the connecting rod, the connecting rod is rotatable installs in the base member, the piston passes through connecting rod and slider linkage, the slider is located the operation panel below and cooperates the installation rather than, prevents the operation panel removal in the recess that the slider cooperation slided into the operation panel under the effort of connecting rod, the operation panel is located one side of the locking body, the one end of operation panel is equipped with to lean. The locking body can bear larger acting force, the electromagnetic driving force required by driving unlocking is smaller, the overall structure is small in size, the cost is low, and the installation is facilitated.

Description

Electric open type door lock

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of electrical equipment's lock, especially an electricity open-type lock.

[ background of the invention ]

The existing refrigerator is not provided with a door lock, and the closing of the refrigerator door is mainly closed by a magnetic door seal and is attracted with the door. When the door is deformed and the magnetism of the magnetic door seal is weakened, the door is not tightly sealed, the cold leakage of the refrigerator is increased, and the energy consumption is increased.

In order to solve the above problem, the utility model patent with application number 201520565954.7 provides an electric open type door lock switch, and the user can only need through setting up induction system or button switch trigger signal of telecommunication on the refrigerator, light opening the door, but its structural following problem that exists:

1. the locking is realized by inserting the operating plate below the locking body to prevent the locking body from rotating. When the locking body is stressed, one end of the operating plate, which is in contact with the locking body, is stressed to move downwards, so that a certain angle is formed between the contact surfaces of the operating plate and the locking body. When the locking body is stressed enough, the operating plate can retreat to be separated from the lock.

2. The locking body acts directly on the operating plate, the friction force of the operating plate is large, and larger electromagnetic force is needed to drive unlocking. It is not favorable to adopt the direct current low-voltage electromagnet mechanism.

3. The door lock has the advantages of larger height, high cost and limited installation space.

In order to solve the above technical problems, an electric door lock with a more optimized structure is required.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, provide an electricity open-type lock, the locking body can bear bigger effort, and the required electromagnetism of drive unblock drives power littleer, and overall structure is small, and is with low costs, does benefit to the installation.

In order to achieve the above object, the utility model provides an electricity open-type lock, including the base member, the casing that links to each other with the base member, set the torsional spring rotatable installation in the base member locking body, set reset spring movable mounting's operation panel and electro-magnet in the base member, be equipped with the piston in the solenoid of electro-magnet, the upper end of piston links to each other with the base member through the piston spring, the lower extreme and the connecting rod of piston link to each other, the rotatable installation in the base member of connecting rod, the piston passes through connecting rod and slider linkage, the slider is located the operation panel below and installs rather than the cooperation, prevents the operation panel removal in the recess of operation panel is slided in the slider cooperation under the effort of connecting rod, the operation panel is located one side of locking body, the one end of operation panel is equipped with to.

Preferably, one end of the connecting rod is inserted with the lower end of the piston, and the other end of the connecting rod is hinged with the sliding block.

Preferably, the locking body is mounted on a rotating shaft in the base body through a torsion spring, one end of the locking body is provided with a locking hook matched with the door bolt, and the other end of the locking body is provided with a boss matched with the operating plate in an abutting mode.

Preferably, the base body is provided with a bolt hole for inserting a bolt when the door is closed, the locking body is positioned below the bolt hole, one end of the locking body, which is close to the boss, is provided with a limit protruding part which is in an initial state and abutted against the operating plate, the locking body rotates under the insertion action force of the bolt, the operating plate is disengaged from the abutment of the limit protruding part of the locking body, and the operating plate is driven by the return spring to be reset to a slope and abutted against the boss.

Preferably, the groove is formed in the lower end face of the operating plate, and the upper end face of the sliding block is provided with a protruding block matched with the groove.

Preferably, a detection switch is further installed in the base body, and the detection switch is connected with the electromagnet.

Preferably, a manual unlocking plate is further arranged in the base body and located on one side of the sliding block, and a shifting plate matched with the sliding block extends from the side wall of the manual unlocking plate.

The utility model has the advantages that: the utility model discloses the slope of locking dependence operation panel and supporting of locking body boss prevent the locking body to rotate to being equipped with the slider and fixing a position the operation panel, when locking body atress, because the support of slider, the operation panel can not move down, the effectual operation panel of having avoided retreats the problem that leads to deviating from the unblock, realize the unblock through slider and operation panel cooperation, adopt the linkage effect of connecting rod control piston and slider, the required electromagnetic drive power of drive unblock is littleer, overall structure is small, and is low in cost, do benefit to the installation.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a structural sectional view of the electric door lock in an initial state before locking the door;

fig. 2 is a structural sectional view showing a door locking state of the electric door lock of the present invention;

fig. 3 is a schematic structural view of an electric door lock of the present invention;

fig. 4 is a schematic view of the internal structure of an electric door lock of the present invention;

fig. 5 is an exploded view of the electric door lock of the present invention.

The labels in the figure are: 110 base, 111 bolt hole, 120 shell, 130 locking body, 131 locking hook, 132, boss, 133 limit boss, 140 operating panel, 141 slope, 142 groove, 150 connecting rod, 160 slider, 170 return spring, 180, manual unlocking plate, 190 electromagnet, 191, electromagnetic coil, 192, piston, 193, piston spring, 200, torsion spring, 210 rotating shaft, 220 detection switch.

[ detailed description ] embodiments

Referring to fig. 1 to 5, an electric door lock includes a base 110, a housing 120 connected to the base 110, a locking body 130 rotatably installed in the base 110 with a torsion spring 200, an operation plate 140 movably installed in the base 110 with a return spring 170, and an electromagnet 190, a piston 192 is provided in an electromagnetic coil 191 of the electromagnet 190, the upper end of the piston 192 is connected to the base 110 by a piston spring 193, the piston 192 is connected at a lower end thereof to a connecting rod 150, the connecting rod 150 is rotatably installed in the base 110, the piston 192 is linked with the slider 160 through the connecting rod 150, the slider 160 is installed under the operation panel 140 in cooperation therewith, the slider 160 is fitted to slide into the groove 142 of the operating plate 140 under the force of the link 150 to prevent the operating plate 140 from moving, the operation plate 140 is located at one side of the locking body 130, and one end of the operation plate 140 is provided with a slope 141 which is in abutting fit with the locking body 130. One end of the connecting rod 150 is inserted into the lower end of the piston 192, and the other end of the connecting rod 150 is hinged to the sliding block 160. The locking body 130 is mounted on a rotating shaft 210 in the base 110 through a torsion spring 200, one end of the locking body 130 is provided with a locking hook 131 matched with the door bolt, and the other end of the locking body 130 is provided with a boss 132 abutted against and matched with the operating plate 140. The base 110 is provided with a bolt hole 111 for inserting a bolt when the door is closed, the locking body 130 is positioned below the bolt hole 111, one end of the locking body 130 close to the boss 132 is provided with a limit projection 133 which is in an initial state and is abutted against the operating plate 140, the locking body 130 rotates under the insertion action of the bolt, the operating plate 140 is separated from the abutment of the limit projection 133 of the locking body 130, and the operating plate 140 is driven by the return spring 170 to be reset to a slope 141 and abutted against the boss 132. The groove 142 is disposed on the lower end surface of the operating panel 140, and the upper end surface of the slider 160 is provided with a projection adapted to the groove 142. The base body 110 is also internally provided with a detection switch 220, and the detection switch 220 is connected with the electromagnet 190. A manual unlocking plate 180 is further arranged in the base body 110, the manual unlocking plate 180 is located on one side of the sliding block 160, and a shifting plate matched with the sliding block 160 extends from the side wall of the manual unlocking plate 180.

The utility model discloses the working process:

the utility model relates to an operating principle of electricity formula lock does:

1. door locked state

When the refrigerator is closed, the latch is inserted into the latch hole along the direction a as shown in fig. 3, and the locking body 130 is driven to rotate along the direction B against the torsion spring 200, and at this time, the operation plate 140 moves along the direction C under the action of the return spring 170. When the operation plate 140 is moved to the locking position, the slider 160 slides into the groove 142 of the operation plate 140 under the force of the piston spring 193 as shown in fig. 4, and fixes the operation plate 140, thereby blocking the rotation of the locking body 130 and achieving locking.

2. Unlocked state

In the locked state of the refrigerator door lock, as shown in fig. 4, the solenoid 191 is energized, the piston 192 moves in the direction E ', the connecting rod 150 is pulled to rotate, the slider 160 moves in the direction D', the slider slides out of the groove 142 of the operating plate 140, the locking body 130 rotates in the direction B 'under the action of the torsion spring 200, and the operating plate 140 is pushed to move to the right in the direction C' to unlock the refrigerator door lock. In abnormal conditions such as power failure, the slider 160 is controlled to move in the direction D' by rotating the manual unlocking plate 180, and thus, unlocking is performed.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. An electric door lock, comprising a base body (110), a housing (120) connected with the base body (110), a locking body (130) provided with a torsion spring (200) and rotatably installed in the base body (110), an operation plate (140) provided with a return spring (170) and movably installed in the base body (110), and an electromagnet (190), characterized in that: the electromagnetic locking device is characterized in that a piston (192) is arranged in an electromagnetic coil (191) of the electromagnet (190), the upper end of the piston (192) is connected with a base body (110) through a piston spring (193), the lower end of the piston (192) is connected with a connecting rod (150), the connecting rod (150) is rotatably installed in the base body (110), the piston (192) is linked with a sliding block (160) through the connecting rod (150), the sliding block (160) is located below an operating plate (140) and installed in a matched mode, the sliding block (160) is matched and slides into a groove (142) of the operating plate (140) under the action force of the connecting rod (150) to prevent the operating plate (140) from moving, the operating plate (140) is located on one side of a locking body (130), and a slope (141) which is matched with the locking body (130) in an abutting mode is arranged at one end of the.

2. An electrically openable door lock according to claim 1, wherein: one end of the connecting rod (150) is inserted with the lower end of the piston (192), and the other end of the connecting rod (150) is hinged with the sliding block (160).

3. An electrically openable door lock according to claim 1, wherein: the locking body (130) is arranged on a rotating shaft (210) in the base body (110) through a torsion spring (200), one end of the locking body (130) is provided with a locking hook (131) matched with the bolt, and the other end of the locking body (130) is provided with a boss (132) which is abutted against and matched with the operating plate (140).

4. An electrically openable door lock according to claim 3, wherein: the base body (110) is provided with a bolt hole (111) for inserting a bolt when a door is closed, the locking body (130) is positioned below the bolt hole (111), one end, close to the boss (132), of the locking body (130) is provided with a limiting protruding part (133) which is in an initial state and is abutted against the operating plate (140), the locking body (130) rotates under the insertion action force of the bolt, the operating plate (140) is separated from the abutting of the limiting protruding part (133) of the locking body (130), and the operating plate (140) is driven by the reset spring (170) to reset to a slope (141) and is abutted against the boss (132).

5. An electrically openable door lock according to claim 1, wherein: the groove (142) is arranged on the lower end face of the operating plate (140), and the upper end face of the sliding block (160) is provided with a convex block matched with the groove (142).

6. An electrically openable door lock according to claim 1, wherein: and a detection switch (220) is further installed in the base body (110), and the detection switch (220) is connected with the electromagnet (190).

7. An electrically openable door lock according to any one of claims 1 to 6, wherein: still be equipped with manual unlocking plate (180) in base member (110), manual unlocking plate (180) are located one side of slider (160), the lateral wall of manual unlocking plate (180) extends and has dials the board with slider (160) matched with.