CN214615904U

CN214615904U - Simple fireproof door lock device

Info

Publication number: CN214615904U
Application number: CN202023036387.6U
Authority: CN
Inventors: 汪金桥; 梁忠于
Original assignee: Zhejiang Chaodai Hardware Co ltd
Current assignee: Zhejiang Chaodai Hardware Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-11-05
Anticipated expiration: 2030-12-16

Abstract

The utility model provides a simply prevent fire door lock device, includes door plant, lock body, lock core and switch handle, its characterized in that, inside the door plant was located to the lock body, lock core and lock body swing joint, be equipped with elasticity screens subassembly and drive assembly in the lock core, the lock core corresponds rotation through drive assembly and switch handle again and is connected, and the lock core passes through elasticity screens subassembly and lock body locking, and the switch handle is unblanked through drive assembly control elasticity screens subassembly operation, and lock body and lock core molding structure are simple effective, save the resource.

Description

Simple fireproof door lock device

Technical Field

The utility model relates to a prevent fire door technical field, specifically be simple and easy fire door locking device.

Background

The fireproof door is a door which can meet the requirements of fire-resistant stability, integrity and heat insulation within a certain time, and is a fireproof partition with certain fire resistance arranged in a fireproof partition room, an evacuation staircase, a vertical shaft and the like. The existing fireproof door lock is too complex in internal structure, good in safety, but difficult to manufacture, and the fireproof door lock does not need to be used for theft prevention, and only needs to be tightly closed to ensure the tightness, so that the waste of resources is caused without a too complex clamping structure, and fine parts are also very difficult to manufacture.

For example, chinese patent literature discloses a door lock of a fire door opened in a ship elevator [ application number: CN201420271117.9] comprises: a door lock moving seat and a door lock fixing seat, wherein the door lock moving seat is provided with a limiting device and a buffer device, the limiting device comprises a limiting rotating block, the middle part of the limiting rotating block is longitudinally hinged with the door lock moving seat, a clamping strip arranged rightwards is arranged on the limiting rotating block, the outer end of the clamping strip is upwards provided with a convex block, the limiting rotating block is upwards provided with a reset rod, a reset spring is connected between the right side of the upper end of the reset rod and the door lock moving seat, the limiting rotating block is downwards connected with an emergency deflector rod, the door lock fixing seat comprises a door lock fixing frame, an electromagnetic pushing device is arranged in the door lock fixing frame, the electromagnetic pushing device pushes a push rod downwards after being electrified, a limiting clamping piece is arranged on the door lock fixing frame below the left side of the electromagnetic pushing device, and the limiting clamping piece inclines to the lower right side. Although the door lock has good fireproof performance, the structure is still too complex, and the resource cost and the manufacturing difficulty are increased.

To address the above shortcomings, a simple fire door lock device is needed, which can save resource cost and reduce manufacturing difficulty.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide simple and easy fire door lock device, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: simple and easy fire door lock device prevents including door plant, lock body, lock core and switch handle, the lock body is located inside the door plant, lock core and lock body swing joint, be equipped with elasticity screens subassembly and drive assembly in the lock core, the lock core corresponds the rotation through drive assembly and switch handle again and is connected.

Furthermore, the lock body and the lock cylinder are cylindrical in shape, at least four cylindrical first limiting grooves are symmetrically formed in the upper side and the lower side of the lock body, and two cylindrical second limiting grooves are symmetrically formed in the upper side and the lower side of one end of the lock cylinder.

Furthermore, elasticity screens subassembly includes screens cylinder, elastic plate, elasticity ring, spring and rotation axis.

Further, the screens cylinder is located on the elastic plate, and screens cylinder and elastic plate fixed connection, the elastic plate is kept away from the cylindrical one end of screens and elasticity ring fixed connection, the elastic plate still can be compressed tightly with the spring and be connected, the centre of spring is located to the rotation axis, and rotation axis and spring rotatable coupling.

Furthermore, a fixed shaft is arranged between the elastic circular ring and the inside of the lock cylinder, and the elastic clamping component is fixedly connected with the lock cylinder through the fixed shaft.

Further, the transmission assembly comprises a driving gear, a transmission gear and a gear belt.

Further, drive gear locates on the rotation axis, and drive gear and rotation axis fixed connection, drive gear and drive gear all rotate with the gear area and are connected, still be equipped with the transmission connecting rod on the drive gear, the transmission subassembly passes through the transmission connecting rod and is connected with the transmission of switch handle.

Furthermore, a fixed connecting rod is arranged between the transmission assembly and the fixed shaft, and the transmission assembly is fixedly connected with the fixed shaft through the fixed connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that: this fire door locks simply prevents has following benefit:

1. this simple and easy fire door lock device's lock core and lock body appearance are cylindrically, and four at least columniform first spacing grooves are seted up to the upper and lower bilateral symmetry of lock body, two columniform second spacing grooves are seted up to the upper and lower bilateral symmetry of the one end of lock core, through the mode of the cylindrical and mutual spacing block of first spacing groove, second spacing groove of screens with door locking, overall structure and principle are simple effective again saves the cost.

2. This elasticity screens subassembly of simple and easy fire door lock device, when needs are locked, lock core and lock body reach the block point, and the elastic plate receives the ascending elasticity of spring and rises this moment, and on the elastic plate transmitted the screens cylinder with the elasticity of spring, the screens cylinder was immediately followed the ejecting first spacing groove of card income lock body in second spacing groove on the lock core and is realized locking.

3. This simply prevent fire door lock device's transmission assembly, when needs are unblanked, the rotary switch handle, transmission connecting rod will rotate on the drive gear in the effect transmits the transmission assembly this moment, drive gear rotates and can drive the gear area operation, thereby drive gear and rotate, drive gear and rotation axis fixed connection, then can drive the synchronous rotation of rotation axis when drive gear rotates, the rotation axis again with spring swivelling joint, rotation axis rotates then can drive the spring shrink, thereby give a decurrent power of elastic plate, elastic plate drives screens cylinder downstream and follows first this moment, the realization of withdrawing in the second spacing groove is unblanked, very convenient and fast.

4. The fixing shaft of the simple fireproof door lock device can fix the elastic clamping component in the lock cylinder, the fixing connecting rod can fix the transmission component in the lock cylinder, and the transmission connecting rod can transmit the motion state of the switch handle to the transmission component to realize the switching of a subsequent door lock.

Drawings

Fig. 1 is a schematic view of the cross-sectional plane structure of the present invention;

fig. 2 is a schematic view of the sectional three-dimensional structure of the present invention.

In the figure: the lock comprises a door plate 1, a lock body 2, a first limit groove 21, a lock core 3, a second limit groove 31, a switch handle 4, an elastic clamping component 5, a clamping cylinder 51, an elastic plate 52, a tightening ring 53, a spring 54, a rotating shaft 55, a transmission component 6, a driving gear 61, a transmission gear 62, a gear belt 63, a fixed shaft 7, a transmission connecting rod 8 and a fixed connecting rod 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: simple and easy fire door lock device prevents fire door lock device, including door plant 1, lock body 2, lock core 3 and switch handle 4, its characterized in that, 1 inside the door plant is located to lock body 2, lock

core

3 and 2 swing joint of lock body, be equipped with elasticity screens subassembly 5 and drive assembly 6 in the lock core 3, lock core 3 corresponds to rotate through drive assembly 6 and switch handle 4 again and is connected, and lock core 3 locks with lock body 2 through elasticity screens subassembly 5, and switch handle 4 unlocks through the operation of drive assembly 6 control elasticity screens subassembly 5.

Preferably, the lock body 2 and the lock cylinder 3 are both cylindrical in shape, at least four first cylindrical limiting grooves 21 are symmetrically formed in the upper side and the lower side of the lock body 2, two second cylindrical limiting grooves 31 are symmetrically formed in the upper side and the lower side of one end of the lock cylinder 3, the first and second square cylindrical limiting grooves facilitate clamping and locking of the elastic clamping assembly 5, and the lock body and the lock cylinder are simple and effective in modeling structure and save resources.

Preferably, the elastic locking assembly 5 comprises a locking cylinder 51, an elastic plate 52, a resilient ring 53, a spring 54 and a rotation shaft 55.

Preferably, the clamping cylinder 51 is arranged on the elastic plate 52, the clamping cylinder 51 is fixedly connected with the elastic plate 52, one end of the elastic plate 52, which is far away from the clamping cylinder 51, is fixedly connected with the elastic ring 53, the elastic plate 52 is also in compressible connection with the spring 54, the rotating shaft 55 is arranged in the middle of the spring 54, the rotating shaft 55 is rotatably connected with the spring 54, when the rotating shaft 55 rotates, the spring 54 can be driven to contract, so that a downward force is applied to the elastic plate 52, and at this time, the elastic plate 52 drives the clamping cylinder 51 to move downward and retract from the first and second limiting grooves to realize unlocking.

Preferably, a fixed shaft 7 is further arranged between the elastic ring 53 and the inside of the lock cylinder 3, the elastic clamping component 5 is fixedly connected with the lock cylinder 3 through the fixed shaft 7, and the fixed shaft 7 is used for fixing the elastic clamping component 5 in the lock cylinder 3.

Preferably, the transmission assembly 6 includes a driving gear 61, a transmission gear 62 and a gear belt 63.

Preferably, the driving gear 61 is arranged on the rotating shaft 55, the driving gear 61 is fixedly connected with the rotating shaft 55, the driving gear 61 and the transmission gear 62 are both rotatably connected with the gear belt 63, the transmission gear 62 is further provided with a transmission connecting rod 8, the transmission assembly 6 is in transmission connection with the switch handle 4 through the transmission connecting rod 8, when the lock needs to be unlocked, the switch handle 4 is rotated, the transmission connecting rod 8 transmits the rotation effect to the transmission gear 62 in the transmission assembly 6, the transmission gear 62 rotates to drive the gear belt 63 to rotate, so that the driving gear 61 is driven to rotate, the driving gear 61 is fixedly connected with the rotating shaft 55, and when the driving gear 61 rotates, the rotating shaft 55 is driven to synchronously rotate.

Preferably, a fixed connecting rod 9 is further arranged between the transmission assembly 6 and the fixed shaft 7, the transmission assembly 6 is fixedly connected with the fixed shaft 7 through the fixed connecting rod 9, and the fixed connecting rod 9 is used for fixing the transmission assembly 6 in the lock cylinder 3.

When in use:

this simple and easy fire door lock device's lock core and lock body appearance are cylindrically, and four at least columniform first spacing grooves 21 are seted up to the upper and lower bilateral symmetry of lock body 2, two columniform second spacing grooves 32 are seted up to the upper and lower bilateral symmetry of the one end of lock core 3, and when needs lock, lock core 3 and lock body 2 reach the snap-on point, and elastic plate 52 receives the ascending elasticity of spring 54 and rises this moment, and elastic plate 52 transmits the elasticity of spring 54 to screens cylinder 51 on, screens cylinder 51 is followed the ejecting first spacing groove 21 that goes into on the lock body 2 of second spacing groove 31 on the lock core 3 immediately and is realized locking.

When needing to unblank, rotary switch handle 4, transmission connecting rod 8 will rotate the effect this moment and transmit to the drive gear 62 in the drive assembly 6 on, drive gear 62 rotates and can drive the operation of gear belt 63, thereby drive gear 61 and rotate, drive gear 61 and rotation axis 55 fixed connection, then can drive rotation axis 55 synchronous revolution when drive gear 61 rotates, rotation axis 55 again with spring 54 swivelling joint, rotation axis 55 rotates and then can drive spring 54 shrink, thereby give a decurrent power of elastic plate 52, elastic plate 52 drives screens cylinder 51 downstream and withdraws from first spacing groove 21, second spacing groove 31 and realizes unblanking this moment.

It is noted that although the terms 1 door panel, 2 lock body, 21 first limit groove, 3 lock cylinder, 31 second limit groove, 4 switch handle, 5 elastic clip component, 51 clip cylinder, 52 elastic plate, 53 elastic ring, 54 spring, 55 rotation shaft, 6 transmission component, 61 driving gear, 62 transmission gear, 63 gear belt, 7 fixed shaft, 8 transmission link, 9 fixed link, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and are to be construed as imposing any additional limitations that are not in accordance with the spirit of the invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a simple and easy fire door lock device, includes door plant (1), lock body (2), lock core (3) and switch handle (4), its characterized in that, door plant (1) is located inside in lock body (2), lock core (3) and lock body (2) swing joint, be equipped with elasticity screens subassembly (5) and drive assembly (6) in lock core (3), lock core (3) correspond rotation through drive assembly (6) and switch handle (4) again and are connected.

2. The door lock device of a simple fireproof door according to claim 1, wherein the lock body (2) and the lock cylinder (3) are both cylindrical in shape, at least four cylindrical first limiting grooves (21) are symmetrically formed in the upper and lower sides of the lock body (2), and two cylindrical second limiting grooves (31) are symmetrically formed in the upper and lower sides of one end of the lock cylinder (3).

3. A simple fire door lock device according to claim 1, characterized in that said elastic detent assembly (5) comprises detent cylinder (51), elastic plate (52), elastic ring (53), spring (54) and rotation shaft (55).

4. The door lock device of simple fireproof door according to claim 3, wherein the locking cylinder (51) is disposed on the elastic plate (52), and the locking cylinder (51) is fixedly connected to the elastic plate (52), one end of the elastic plate (52) far away from the locking cylinder (51) is fixedly connected to the elastic ring (53), the elastic plate (52) is further connected to the spring (54) in a compressible manner, the rotation shaft (55) is disposed in the middle of the spring (54), and the rotation shaft (55) is rotatably connected to the spring (54).

5. The door lock device of the simple fireproof door according to claim 3, wherein a fixing shaft (7) is further arranged between the elastic ring (53) and the inside of the lock cylinder (3), and the elastic clamping component (5) is fixedly connected with the lock cylinder (3) through the fixing shaft (7).

6. A simple fire door lock device according to claim 3, characterized in that said transmission assembly (6) comprises a driving gear (61), a transmission gear (62) and a gear belt (63).

7. The simple fireproof door lock device according to claim 6, wherein the driving gear (61) is disposed on the rotation shaft (55), the driving gear (61) is fixedly connected with the rotation shaft (55), the driving gear (61) and the transmission gear (62) are both rotatably connected with the gear belt (63), the transmission gear (62) is further provided with a transmission connecting rod (8), and the transmission assembly (6) is in transmission connection with the switch handle (4) through the transmission connecting rod (8).

8. The door lock device of a simple fireproof door according to claim 7, wherein a fixed connecting rod (9) is further disposed between the transmission assembly (6) and the fixed shaft (7), and the transmission assembly (6) is fixedly connected to the fixed shaft (7) through the fixed connecting rod (9).