CN220705458U - Keyless double-opening automatic locking device - Google Patents

Abstract

The utility model discloses a keyless double-opening automatic locking device, which comprises an external unlocking device, a locking fixing plate, a locking support, an anti-misoperation device, a rotatable lock catch and a bolt, wherein the external unlocking device is arranged outside a door, is pushed to be opened by passing through a reserved hole, and is provided with a spring to ensure automatic rebound and homing after being opened; an arc-shaped steel plate is arranged on the lock catch fixing plate, so that false opening is prevented; the device is in a rectangular plane structure, a lock catch support is arranged on the lock catch fixing plate, and a rotatable lock catch is inserted into the lock catch support after drilling holes to form movable connection; the bolt fixing plate is provided with a bolt, and the aim of locking the door is fulfilled by inserting the bolt into the lock catch; the rotatable lock catch can be manually rotated in the interior or pushed by the external unlocking device to achieve the purpose of unlocking, and the automatic lock catch device has the advantages of being simple in structure, convenient to manufacture, install and use and the like, can ensure the safety of personnel and the construction protection effect, and is suitable for popularization and application.

Description

Keyless double-opening automatic locking device

Technical Field

The utility model relates to the field of machine manufacturing, in particular to a keyless double-opening automatic locking device.

Background

In the present construction process, various places which are easy to generate noise, raise dust and light pollution, such as cement storehouses, woodworking processing sheds, various soundproof sheds and the like, need to be closed, and the traditional storehouses and protective sheds are arranged on the access doors, and are mostly doors which are opened on one side or temporary shielding. The door with the single-sided opening or the temporary shielding can not effectively protect the workers when the workers enter the place for operation in windy and rainy weather, and the situation that other people are trapped in the room after the personnel are closed by mistake exists.

Disclosure of Invention

Aiming at the problems in the background technology, the utility model provides the device which has simple structure and convenient manufacture, installation and use, not only can meet the construction and use requirements, but also can achieve the protection effect of ensuring various protection sheds, and simultaneously can save the construction cost.

In order to solve the technical problems, the utility model adopts the following technical scheme: the keyless double-opening automatic locking device comprises an external unlocking device, a locking fixing plate, a locking support, a rotatable locking, a bolt fixing plate and a bolt, wherein the locking fixing plate is fixedly arranged on a door; the bolt fixing plate is fixedly arranged on the door frame; the external unlocking device passes through the door plate to be contacted with the upper end of the rotatable lock catch; the lock catch support is fixedly arranged on the lock catch fixing plate; one end of the bolt is fixedly arranged on the bolt fixing plate, and the other end of the bolt falls below the lock catch support and is positioned between the lock catch fixing plate and the lower end of the rotatable lock catch; the upper end of the rotatable lock catch is positioned above the lock catch support and is contacted with the lock catch fixing plate, and the middle lower part of the rotatable lock catch is rotationally connected with the lock catch support.

In the locked state, when the door is pushed, the door is blocked by the bolt and is difficult to open; when the door is pulled outwards, the rotatable lock catch has rotation because of no fixation, when the upper end of the rotatable lock catch rotates in the direction away from the door, the lower end of the rotatable lock catch rotates towards the door, and at the moment, the lower end of the rotatable lock catch is blocked by the bolt and then rotates upwards in the direction away from the door; because the upper end of the rotatable lock catch is contacted with the lock catch fixing plate, the rotating distance of the rotatable lock catch is limited, so that the rotation of the lower end of the rotatable lock catch is limited, the bolt still cannot freely move between the lower end of the rotatable lock catch and the false opening preventing device, and the door is still difficult to open. The door is locked by the rotatable latch and the bolt, and is in a locked state.

When the door is opened, when the upper end of the rotatable lock catch is pushed or pulled, the rotatable lock catch rotates by taking the connecting point at the lower part as the center of a circle, the lower end of the rotatable lock catch is lifted upwards and is higher than the bolt, the lower end of the rotatable lock catch does not block the bolt, the bolt can freely pass through the lower end of the rotatable lock catch, and when the door is pulled or pushed outwards, the door can be opened, so that unlocking of the door is realized.

Further, the device also comprises an anti-false opening device, the anti-false opening device is fixedly arranged on the lock catch fixing plate, is positioned below the other end of the bolt and is in contact with the bolt, and the bolt is prevented from sliding away from the lock catch fixing plate when the door is locked, so that the purpose of preventing false opening is achieved.

Further, when the upper end of the rotatable lock catch is contacted with the lock catch fixing plate, the lower end of the rotatable lock catch is lower than the upper surface of the bolt; when the upper end of the rotatable lock catch rotates, the bolt is positioned outside a rotating path of the lower end of the rotatable lock catch.

Further, the false opening preventing device is a lower arc-shaped steel plate.

Further, the lock catch support is provided with an eyelet, the rotatable lock catch is fixedly connected with a rotating shaft, and the rotating shaft penetrates through the eyelet on the lock catch support to be in rotating connection with the lock catch support.

Further, the rotatable lock catch is S-shaped.

Further, a spring is sleeved on the external unlocking device, the spring is sleeved on the long bolt to form the external unlocking device, and after the external unlocking device is pushed to open the door, automatic rebound and homing are realized through the elasticity of the spring.

The keyless double-opening automatic locking device can meet the construction use requirement, can effectively achieve the protection effect of various protection sheds, can save the construction cost, has the advantages of simple structure, convenience in manufacture, installation and use and the like, can improve the construction efficiency, is convenient to operate, and is suitable for popularization and use.

Drawings

The utility model is described in further detail below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of a double-opening device of the present utility model;

FIG. 3 is a schematic view of a latch portion of the present utility model;

fig. 4 is a side view of the present utility model when installed on a door.

The figure shows: 1-external unlocking device, 2-spring, 3-lock catch fixing plate, 4-lock catch support, 5-anti-false unlocking device, 6-rotatable lock catch, 7-self-tapping screw, 8-bolt fixing plate and 9-bolt.

Detailed Description

For further explanation of the inventive concept, the following description of specific embodiments of the present utility model will be given with reference to the accompanying drawings:

as shown in fig. 1 to 4, the keyless double-opening automatic locking device comprises an external unlocking device 1, a spring 2, a locking fixing plate 3, a locking support 4, an anti-misoperation device 5, a rotatable locking device 6, a bolt fixing plate 8 and a bolt 9, wherein the spring 2 is sleeved on a long bolt to form the external unlocking device 1, the external unlocking device 1 passes through a reserved hole on a fixed door to be in contact with the upper end of the rotatable locking device 6, and after the external unlocking device 1 is pushed to open the door, automatic rebound and homing are realized through the elasticity of the spring 2; the lock catch fixing plate 3 is fixedly arranged on the door by utilizing a self-tapping screw 7, the lock catch support 4 is fixedly arranged on the lock catch fixing plate 3, and the false opening preventing device 5 is fixedly arranged on the lock catch fixing plate 3 and is positioned below the lock catch support 4 so as to realize the function of preventing false opening; the bolt fixing plate 8 is fixedly arranged on the door frame by utilizing the self-tapping screw 7, one end of the bolt 9 is fixedly arranged on the bolt fixing plate 8, the other end of the bolt 9 is arranged on the false unlocking preventing device 5 and is positioned between the lock catch fixing plate 3 and the lower end of the rotatable lock catch 6, the rotatable lock catch 6 is clamped in, the bolt 9 is fixed between the lock catch fixing plate 3 and the rotatable lock catch 6, and the bolt 9 can not move freely, so that the effect of locking a door is achieved; the rotatable lock catch 6 is fixedly connected with a rotating shaft, and the rotating shaft penetrates through holes formed in the lock catch support 4 matched with the rotating shaft to form rotating connection, so that the aim of opening the door is fulfilled by pulling the rotatable lock catch 6.

The application method of the utility model is as follows: the lock catch fixing plate 3 is fixedly arranged on the door by self-tapping screws 7, the lock catch support 4 is fixedly arranged on the lock catch fixing plate 3, the lock catch support 4 is provided with holes, and the false opening preventing device 5 is fixedly arranged on the lock catch fixing plate 3 and is positioned below the lock catch support 4; the latch fixing plate 8 is fixedly arranged on a door frame by self-tapping screws 7, one end of a latch 9 is fixedly connected with the latch fixing plate 8, the other end of the latch 9 is placed on the false opening preventing device 5, the false opening preventing device is clamped between the fixing plate 3 and the lower end of the rotatable lock catch 6, a rotating shaft is fixedly connected to the rotatable lock catch 6, the rotating shaft penetrates through holes in the lock catch support 4 to form a rotating structure, the external unlocking device 1 penetrates through holes reserved in a door plate to be in contact with the upper end of the rotatable lock catch 6, when the door needs to be opened from the outside, the external unlocking device 1 is pushed, so that the upper end of the rotatable lock catch 6 is pushed to rotate away from the door direction, the latch 9 is pushed away from the lock catch fixing plate 3 when the lower end of the rotatable lock catch 6 is lifted, and the door is pushed, so that the door opening operation can be completed; if the door is opened from inside, the upper end of the rotatable lock catch 6 is pulled backwards, the lower end of the rotatable lock catch 6 is lifted, the bolt 9 freely passes through between the rotatable lock catch 6 and the false opening preventing device 5, and when the door is pulled, the bolt 9 is far away from the lock catch fixing plate 3, so that the door opening action can be completed.

In summary, by adopting the keyless double-opening automatic locking device disclosed by the utility model, the upper end of the rotatable lock catch 6 is pushed by pressing the external unlocking device 1, or the upper end of the rotatable lock catch 6 is pulled, so that the lower end of the rotatable lock catch 6 is lifted upwards and higher than the bolt 9, the bolt 9 can freely move, and the bolt 9 is far away from the lock catch fixing plate 3 from the push-out door or the inner sliding door, so that the effect of opening the door on both sides of the interior and the exterior can be achieved, the construction use requirement can be met, the protection effect of each protection shed can be effectively ensured, the construction cost can be saved, and the device has the advantages of simple structure, convenience in manufacturing, installation and use and the like, the construction efficiency can be improved, and the operation is convenient, and the device is suitable for popularization and application.

The above description is only of the preferred embodiments of the present utility model, and it should be understood that various changes and modifications can be made by those skilled in the art, and any modifications, equivalents, improvements and the like made by the present utility model should be included in the scope of the present utility model.

Claims (7)

1. The utility model provides a no key double-opening automatic locking device, includes outside unlocking means (1), hasp fixed plate (3), hasp support (4), rotatable hasp (6), bolt fixed plate (8) and bolt (9), its characterized in that: the lock catch fixing plate (3) is fixedly arranged on the door; the bolt fixing plate (8) is fixedly arranged on the door frame; the external unlocking device (1) penetrates through the door plate to be in contact with the upper end of the rotatable lock catch (6); the lock catch support (4) is fixedly arranged on the lock catch fixing plate (3); one end of the bolt (9) is fixedly arranged on the bolt fixing plate (8), and the other end of the bolt (9) falls below the lock catch support (4) and is positioned between the lock catch fixing plate (3) and the lower end of the rotatable lock catch (6); the upper end of the rotatable lock catch (6) is positioned above the lock catch support (4) and is contacted with the lock catch fixing plate (3), and the middle lower part of the rotatable lock catch is rotationally connected with the lock catch support (4).

2. The keyless double-release automatic locker of claim 1 wherein: the device also comprises an anti-false-opening device (5), wherein the anti-false-opening device (5) is fixedly arranged on the lock catch fixing plate (3), is positioned below the other end of the bolt (9) and is in contact with the bolt (9).

3. The keyless double-release automatic locker of claim 2 wherein: the false opening preventing device (5) is a lower arc-shaped steel plate.

4. The keyless double-release automatic locker of claim 1 wherein: when the upper end of the rotatable lock catch (6) is in contact with the lock catch fixing plate (3), the lower end of the rotatable lock catch (6) is lower than the upper surface of the bolt (9); when the upper end of the rotatable lock catch (6) rotates, the bolt (9) is positioned outside a rotating path of the lower end of the rotatable lock catch (6).

5. The keyless double-release automatic locker of claim 1 wherein: the lock catch support (4) is provided with holes, the rotatable lock catch (6) is fixedly connected with a rotating shaft, and the rotating shaft penetrates through the holes in the lock catch support (4) and is rotationally connected with the lock catch support (4).

6. The keyless double-release automatic locker of claim 1 wherein: the rotatable lock catch (6) is S-shaped.

7. The keyless double-release automatic locker of claim 1 wherein: the external unlocking device (1) is also sleeved with a spring.