CN216553415U

CN216553415U - Lock box with automatic clutch function for casement door

Info

Publication number: CN216553415U
Application number: CN202122855843.8U
Authority: CN
Inventors: 夏新国
Original assignee: Jiangsu Deper Automate Door & Window Co ltd
Current assignee: Jiangsu Deper Automate Door & Window Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-17
Anticipated expiration: 2031-11-22

Abstract

The utility model relates to a vertical hinged door assembly, in particular to a lock box with an automatic clutch function for a vertical hinged door. The device comprises a shell, wherein a controller, a motor, a supporting shaft and an output gear are arranged in the shell, a driving gear is arranged on the supporting shaft, and a transmission gear set is arranged between the driving gear and the output gear. The shell is provided with a rack, and the rack is provided with a transmission pin. The driving gear is characterized by comprising a large gear and a small gear, wherein the large gear is in linkage fit with an output shaft of the motor, and the small gear is meshed with the transmission gear group. One side of the small gear is provided with a transmission disc, the opposite surfaces of the large gear and the transmission disc are provided with convex teeth, and a compression spring is arranged on the section of the supporting shaft between the large gear and the transmission disc. The supporting shaft is concentrically sleeved with a pushing disc, a push rod is fixed on the supporting shaft, and an arc-shaped boss is arranged on the pushing disc. An electromagnet is arranged in the shell, a connecting rod is hinged between a movable iron core of the electromagnet and the pushing disc, and the electromagnet is electrically connected with the controller. Adopt this lock box manual unblanking rapidly, can avoid the potential safety hazard.

Description

Lock box with automatic clutch function for casement door

Technical Field

The utility model relates to a vertical hinged door assembly, in particular to a lock box with an automatic clutch function for a vertical hinged door, which is used for driving a lock tongue of the vertical hinged door to extend and contract.

Background

The side hung door is a door which is provided with hinges (hinges) on the side surface of the door and is opened inwards (left open and right open) or outwards (left open and right open). The vertical hinged door generally comprises a door frame and a door leaf, wherein the door frame is hinged with a group of vertical edges of the door leaf through hinges (hinges), a door lock is arranged on one edge of the door leaf far away from the hinged edges, and the door lock comprises a lock tongue and a lock box used for driving the lock tongue to extend and contract. The lock box of the door lock is mainly divided into a manual lock box and an electric lock box. The electric lock box is selected by more and more vertical hinged doors because the electric lock box is convenient to open.

At present, the electric lock box for the casement door used in the industry comprises a shell, wherein a controller, a motor, a supporting shaft and an output gear are arranged in the shell, the motor is electrically connected with the controller, a driving gear is arranged on the supporting shaft, a worm is arranged on an output shaft of the motor, the driving gear is a helical gear, the worm is meshed with the driving gear, and a transmission gear group is arranged between the driving gear and the output gear. The casing has the rack, is the longitudinal sliding form cooperation along the rack between rack and casing, the rack with output gear meshing is in the same place, has the drive pin on the rack, has the mouth of stepping down on the casing conch wall that drive pin one end corresponds, and the drive pin passes the mouth of stepping down and stretches out outside, the drive pin with step down and be the activity form cooperation between the mouth. When the lock is used, the lock box is arranged in a door leaf of the vertical hinged door, so that the transmission pin is connected with a lock tongue of the vertical hinged door through the connecting rod. When the door lock works, the controller controls the motor to rotate, the output shaft of the motor drives the rack to move through the driving gear and the transmission gear set, and the rack drives the lock tongue to extend and retract through the connecting rod, so that the door lock is automatically closed and opened. The power failure condition can appear in the normal use in-process of vertical hinged door. When the door lock needs to be manually opened in case of power failure, the lock box needs to manually drive the rack, the transmission gear set, the driving gear and the output shaft of the motor to rotate in the reverse direction through the lock tongue. However, due to the characteristics of the motor, the motor output shaft is reversely driven to rotate by a very large reverse force, manual operation is difficult, consumed time is long, and when power failure is caused by fire and other conditions, personnel are not evacuated timely, so that potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a lock box with an automatic clutch function for a casement door, which can be used for quickly unlocking by hand and can avoid potential safety hazards.

In order to solve the problems, the following technical scheme is provided:

the lock box with the automatic clutch function for the casement door comprises a shell, wherein a controller, a motor, a supporting shaft and an output gear are arranged in the shell, the motor is electrically connected with the controller, a driving gear is arranged on the supporting shaft, an output shaft of the motor is in linkage fit with the driving gear, and a transmission gear group is arranged between the driving gear and the output gear. The casing has the rack, is the longitudinal sliding form cooperation along the rack between rack and casing, the rack with output gear meshing is in the same place, has the drive pin on the rack, has the mouth of stepping down on the casing conch wall that drive pin one end corresponds, and the drive pin passes the mouth of stepping down and stretches out outside, the drive pin with step down and be the activity form cooperation between the mouth. The driving gear is characterized by comprising a large gear and a small gear, the large gear is sleeved on the supporting shaft in a hollow mode, the small gear is matched with the supporting shaft in an axial fixed mode, the large gear is in linkage fit with an output shaft of the motor, and the small gear is meshed with the transmission gear in a combined mode. A transmission disc is concentrically fixed on one side of the small gear close to the large gear, convex teeth are arranged on the opposite surfaces of the large gear and the transmission disc, and a compression spring is arranged on the section of the supporting shaft between the large gear and the transmission disc. Keep away from that section gear wheel one side of pinion and correspond the back shaft on concentric cover and be connected with the push disk, be the endwise slip form cooperation between push disk and the back shaft, keep away from being fixed with the push rod on the back shaft that the promotion dish one side of gear wheel corresponds, the push rod is perpendicular with the back shaft, and axis between them is crossing, has along arc boss on the push disk of push rod one side, the centre of a circle of arc boss is located the axis of push disk, the arc boss is the arch bridge form. An electromagnet is arranged in the shell, a connecting rod is hinged between a movable iron core of the electromagnet and the pushing disc, and the electromagnet is electrically connected with the controller.

The two arc-shaped bosses are respectively positioned at two ends of a radial line of the push disc, and the two arc-shaped bosses are respectively positioned at two sides of the push rod.

A worm is concentrically fixed on an output shaft of the motor, the large gear is a helical gear, and the worm is meshed with the large gear.

The yielding port is in a long strip shape and is parallel to the rack.

The number of the convex teeth on the large gear and the transmission disc is not less than two, and the convex teeth are uniformly arranged along the circumferential direction of the large gear and the transmission disc.

The two ends of the supporting shaft are respectively positioned on a group of opposite side walls of the shell, the push rod is positioned at one end of the supporting shaft, a limiting groove which is radially arranged along the supporting shaft is arranged on the side wall of the shell corresponding to the push rod, and one side of the push rod is positioned in the limiting groove. The arc-shaped guide groove is formed in the side wall, corresponding to the arc-shaped boss, of the shell, is arranged along the circumferential direction of the pushing disc, the arc-shaped guide groove is communicated with the limiting groove, the top of the arc-shaped boss is located in the arc-shaped guide groove, and the arc-shaped boss and the arc-shaped guide groove are in movable fit.

The side wall of the big gear close to the transmission disc is concentrically provided with a circular concave pit, the convex teeth are positioned at the bottom of the circular concave pit, and one side of the transmission disc is positioned in the circular concave pit.

And a nylon gasket is arranged between the big gear and the pushing disc.

By adopting the scheme, the method has the following advantages:

because the driving gear of the lock box with the automatic clutch function for the casement door comprises a large gear and a small gear, the large gear is sleeved on a support shaft in a hollow way, the small gear is matched with the support shaft in an axial fixed way, the large gear is matched with an output shaft of a motor in a linkage way, the small gear is meshed with a transmission gear in a combined way, one side of the small gear close to the large gear is concentrically fixed with a transmission disc, the opposite surfaces of the large gear and the transmission disc are provided with convex teeth, a compression spring is arranged on the section of the support shaft between the large gear and the transmission disc, a pushing disc is concentrically sleeved and connected on the corresponding support shaft at one side of the large gear far away from the small gear, a push rod is fixed on the corresponding support shaft at one side of the pushing disc far away from the large gear, an arc-shaped boss is arranged on the pushing disc at one side of the push rod, the circle center of the arc-shaped boss is positioned on the axis of the pushing disc, the arc-shaped boss is in an arch bridge shape, and an electromagnet is arranged in the shell, a connecting rod is hinged between the movable iron core of the electromagnet and the pushing disc, and the electromagnet is electrically connected with the controller. When the lock is used, the lock box is arranged in a door leaf of the vertical hinged door, so that the transmission pin is connected with a lock tongue of the vertical hinged door through the connecting rod. Normal during operation, the electro-magnet is got electric, the iron core that moves of electro-magnet stretches out, it rotates to drive the promotion dish, the arc boss offsets with the push rod, the push rod promotes the one side motion of promotion dish and gear wheel to being close to the driving disk through the arc boss, compression spring is compressed, the dogtooth of gear wheel and the dogtooth meshing of driving disk, promote the dish stall, at this moment, the gear wheel passes through driving disk and pinion interlock cooperation, controller control motor moves, the output shaft of motor can pass through the gear wheel, pinion and drive gear group drive rack activity, the rack passes through the connecting rod and drives the spring bolt and stretch out, the shrink, realize the auto-close of lock, open. When the power failure occurs and the door lock needs to be opened manually, the electromagnet is powered off, the movable iron core of the electromagnet contracts to drive the pushing disc to rotate reversely, the arc-shaped boss leaves the push rod, the elastic potential energy of the compression spring is released to push the large gear to move towards one side far away from the transmission disc, the large gear is separated from the convex teeth of the transmission disc, and the arc-shaped boss leaves the push rod. At this moment, the manual spring bolt that drives contracts, and the spring bolt only drives rack, drive gear group and pinion rotation in the reverse direction, need not to drive the output shaft transmission of motor, and the user adopts less manual power can drive the spring bolt shrink, realizes unblanking, and manual unlocking process is convenient, rapid, when meetting the condition such as conflagration and leading to having a power failure, can unblank rapidly, opens the door leaf, realizes personnel's quick evacuation to the potential safety hazard has been avoided.

Drawings

FIG. 1 is a schematic structural view of a lock box with an automatic clutch function for a vertical hinged door of the utility model;

FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic perspective view (hiding the housing and the controller) of the lock box with an automatic clutch function for the side hung door of the present invention in a rear view state;

FIG. 4 is a perspective view of the housing of the lock case with automatic clutch function for the side-hung door of the present invention;

fig. 5 is an exploded view of a support shaft, a pinion, a large gear, a push disk, a nylon washer and a push disk in a lock case having an automatic clutch function for a side-hung door of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the lock box with an automatic clutch function for a casement door of the utility model comprises a shell 1, a controller 8, a motor 7, a support shaft 16 and an output gear 3 are arranged in the shell 1, the motor 7 is electrically connected with the controller 8, a driving gear is arranged on the support shaft 16, an output shaft of the motor 7 is in linkage fit with the driving gear, and a transmission gear group 11 is arranged between the driving gear and the output gear 3. The casing 1 has rack 2, is the cooperation of the longitudinal sliding form along rack 2 between rack 2 and casing 1, rack 2 with output gear 3 meshes together, has drive pin 5 on rack 2, has on the 1 conch wall of casing that 5 one ends of drive pin correspond and lets position mouth 21, and drive pin 5 passes and lets position mouth 21 stretch out outward, and drive pin 5 is the activity form cooperation with letting between position mouth 21. The yielding port 21 is in a long strip shape, and the yielding port 21 is parallel to the rack 2. The driving gear comprises a large gear 4 and a small gear 10, the large gear 4 is sleeved on a supporting shaft 16 in an empty mode, the small gear 10 is matched with the supporting shaft 16 in an axial fixing mode, the large gear 4 is in linkage fit with an output shaft of the motor 7, and the small gear 10 is meshed with the transmission gear set 11 together. A worm 6 is concentrically fixed on an output shaft of the motor 7, the large gear 4 is a helical gear, and the worm 6 is meshed with the large gear 4. A driving disc 9 is concentrically fixed on one side of the small gear 10 close to the large gear 4, convex teeth 15 are arranged on the opposite surfaces of the large gear 4 and the driving disc 9, and a compression spring 24 is arranged on the section of the supporting shaft 16 between the large gear 4 and the driving disc 9. The side wall of the big gear 4 close to the transmission disc 9 is concentrically provided with a circular concave pit 17, the convex tooth 15 is positioned at the bottom of the circular concave pit 17, and one side of the transmission disc 9 is positioned in the circular concave pit 17. The supporting shaft 16 corresponding to one side of the section of the big gear 4 far away from the small gear 10 is concentrically sleeved with the pushing disc 13, the pushing disc 13 is in axial sliding fit with the supporting shaft 16, the supporting shaft 16 corresponding to one side of the pushing disc 13 far away from the big gear 4 is fixedly provided with the push rod 14, the push rod 14 is perpendicular to the supporting shaft 16, the axes of the push rod and the supporting shaft are intersected, the pushing disc 13 on one side of the push rod 14 is provided with an arc-shaped boss 20, the circle center of the arc-shaped boss 20 is located on the axis of the pushing disc 13, and the arc-shaped boss 20 is in an arch bridge shape. The two arc-shaped bosses 20 are respectively arranged at two ends of a radial line of the push disc 13, and the two arc-shaped bosses 20 are respectively arranged at two sides of the push rod 14. An electromagnet 12 is arranged in the shell 1, a connecting rod 19 is hinged between a movable iron core of the electromagnet 12 and the pushing disc 13, and the electromagnet 12 is electrically connected with the controller 8. The two ends of the supporting shaft 16 are respectively located on a set of opposite side walls of the housing 1, the push rod 14 is located at one end of the supporting shaft 16, a limiting groove 22 radially arranged along the supporting shaft 16 is formed on the side wall of the housing 1 corresponding to the push rod 14, and one side of the push rod 14 is located in the limiting groove 22. There is the arc guide way 23 along pushing away 13 circumference arrangements on the casing 1 lateral wall that the arc boss 20 corresponds, and arc guide way 23 is linked together with spacing recess 22, and the top of arc boss 20 is located arc guide way 23, and is the activity form cooperation between arc boss 20 and arc guide way 23.

In order to improve the reaction speed, the number of the convex teeth 15 on the large gear 4 and the transmission disc 9 is not less than two, and the convex teeth 15 are uniformly arranged along the circumferential direction of the large gear 4 and the transmission disc 9.

In order to reduce the abrasion and prolong the service life of the large gear 4 and the pushing disc 13, a nylon gasket 18 is arranged between the large gear 4 and the pushing disc 13.

In this embodiment, the controller 8 is a circuit board.

When the lock is used, the lock box is arranged in a door leaf of the vertical hinged door, so that the transmission pin 5 is connected with a lock tongue of the vertical hinged door through the connecting rod 19. During normal work, electro-magnet 12 is electrified, the movable iron core of electro-magnet 12 stretches out, it rotates to drive push disc 13, arc boss 20 offsets with push rod 14, push rod 14 promotes push disc 13 and gear wheel 4 through arc boss 20 to the side motion that is close to driving plate 9, compression spring 24 is compressed, gear wheel 4's dogtooth 15 meshes with gear wheel 9's dogtooth 15, push disc 13 stall, at this moment, gear wheel 4 passes through driving plate 9 and pinion 10 linkage fit, 8 control motor 7 operations of controller, the output shaft of motor 7 can pass through gear wheel 4,

pinion

10 and 11 drive rack 2 activities of drive gear group, rack 2 drives the spring bolt through connecting rod 19 and stretches out, the shrink, realize the automatic closing of lock, open. When the door lock needs to be manually opened in case of power failure, the electromagnet 12 loses power, the movable iron core of the electromagnet 12 contracts to drive the pushing disc 13 to rotate reversely, the arc-shaped boss 20 leaves the push rod 14, the elastic potential energy of the compression spring 24 is released to push the large gear 4 to move towards one side far away from the transmission disc 9, the convex teeth 15 of the large gear 4 are separated from the convex teeth 15 of the transmission disc 9, and the arc-shaped boss 20 leaves the push rod 14. At the moment, the lock tongue is manually driven to contract, the lock tongue only reversely drives the rack 2, the transmission gear set 11 and the pinion 10 to rotate, the output shaft of the motor 7 does not need to be driven for transmission, and a user can drive the lock tongue to contract by using smaller manual force to realize unlocking.

Claims

1. The lock box with the automatic clutch function for the casement door comprises a shell (1), wherein a controller (8), a motor (7), a support shaft (16) and an output gear (3) are arranged in the shell (1), the motor (7) is electrically connected with the controller (8), a driving gear is arranged on the support shaft (16), an output shaft of the motor (7) is in linkage fit with the driving gear, and a transmission gear group (11) is arranged between the driving gear and the output gear (3); the shell (1) is provided with a rack (2), the rack (2) and the shell (1) are matched in a longitudinal sliding mode along the rack (2), the rack (2) is meshed with the output gear (3), the rack (2) is provided with a transmission pin (5), one end of the transmission pin (5) corresponds to the shell wall of the shell (1) and is provided with a position yielding opening (21), the transmission pin (5) penetrates through the position yielding opening (21) to extend out, and the transmission pin (5) is movably matched with the position yielding opening (21); the driving gear is characterized by comprising a large gear (4) and a small gear (10), wherein the large gear (4) is sleeved on a supporting shaft (16), the small gear (10) is matched with the supporting shaft (16) in an axially fixed manner, the large gear (4) is matched with an output shaft of a motor (7) in a linkage manner, and the small gear (10) is meshed with a transmission gear set (11); a transmission disc (9) is concentrically fixed on one side of the small gear (10) close to the large gear (4), convex teeth (15) are arranged on the opposite surfaces of the large gear (4) and the transmission disc (9), and a compression spring (24) is arranged on the section of the supporting shaft (16) between the large gear (4) and the transmission disc (9); a pushing disc (13) is concentrically sleeved on a supporting shaft (16) corresponding to one side of a section of large gear (4) far away from a small gear (10), the pushing disc (13) is in axial sliding fit with the supporting shaft (16), a push rod (14) is fixed on the supporting shaft (16) corresponding to one side of the pushing disc (13) far away from the large gear (4), the push rod (14) is perpendicular to the supporting shaft (16), the axes of the push rod and the supporting shaft are intersected, an arc boss (20) is arranged on the pushing disc (13) at one side of the push rod (14), the circle center of the arc boss (20) is positioned on the axis of the pushing disc (13), and the arc boss (20) is in an arch bridge shape; an electromagnet (12) is arranged in the shell (1), a connecting rod (19) is hinged between a movable iron core of the electromagnet (12) and the pushing disc (13), and the electromagnet (12) is electrically connected with the controller (8).

2. The lock case with automatic clutch function for a side hung door according to claim 1, wherein said arc-shaped bosses (20) are two, which are respectively located at both ends of a radial line of said push plate (13), and two arc-shaped bosses (20) are respectively located at both sides of said push rod (14).

3. The lock box with automatic clutch function for the casement door according to claim 1, wherein a worm (6) is concentrically fixed on an output shaft of the motor (7), the gearwheel (4) is a helical gear, and the worm (6) is meshed with the gearwheel (4).

4. The lock box with automatic clutch function for the flat-open door according to claim 1, characterized in that the relief opening (21) is long and the relief opening (21) is parallel to the rack (2).

5. The lock box with automatic clutch function for the casement door according to claim 1, wherein the number of the convex teeth (15) on the large gear (4) and the transmission disc (9) is not less than two, and the convex teeth (15) are uniformly arranged along the circumferential direction of the large gear (4) and the transmission disc (9).

6. The lock box with the automatic clutch function for the casement door according to claim 1, wherein two ends of the supporting shaft (16) are respectively positioned on a group of opposite side walls of the shell (1), the push rod (14) is positioned at one end of the supporting shaft (16), a limiting groove (22) which is arranged along the radial direction of the supporting shaft (16) is formed in the side wall of the shell (1) corresponding to the push rod (14), and one side of the push rod (14) is positioned in the limiting groove (22); arc guide way (23) along pushing away drive disk (13) circumference arrangement are equipped with on casing (1) lateral wall that arc boss (20) correspond, and arc guide way (23) are linked together with spacing recess (22), and the top of arc boss (20) is located arc guide way (23), and is the activity form cooperation between arc boss (20) and arc guide way (23).

7. The lock box with automatic clutch function for the casement door according to claim 1, wherein the side wall of the gearwheel (4) close to the driving disc (9) is concentrically provided with a circular recess (17), the convex teeth (15) are positioned at the bottom of the circular recess (17), and one side of the driving disc (9) is positioned in the circular recess (17).

8. The lock box with automatic clutch function for the casement door according to any one of claims 1 to 7, wherein a nylon gasket (18) is arranged between the large gear (4) and the pushing disc (13).