CN215814299U

CN215814299U - Access control device

Info

Publication number: CN215814299U
Application number: CN202122375065.2U
Authority: CN
Inventors: 张晓斌; 潘爱琼
Original assignee: Henan Technical College of Construction
Current assignee: Henan Technical College of Construction
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-11
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to an entrance guard control device, which is also called as an entrance guard entrance and exit automatic management system, and relates to a plurality of new technical fields of electronics, machinery, optics, computer technology, communication technology, biotechnology and the like, the existing entrance guard device can be divided into a fingerprint entrance guard device, a visual entrance guard device and a card swiping entrance guard device according to an opening mode, the systems are realized by adopting radio frequency technology, and the separation or the engagement of a worm gear and a worm can be controlled through the electrification and the outage of a first electromagnet, thereby realizing the self-locking or normally-open state of a door, ensuring that the movable door can not be pushed in the electrification state, and also ensuring that the movable door can be emergently braked to prevent clamping injury when being touched, when the power is suddenly cut off, the first electromagnet is also powered off, the worm gear and the worm are separated, and the self-locking capability of the movable door is lost, and simultaneously, a second locking device can ensure that a first gear can not rotate, the movable door can be opened when the L-shaped plate is pushed.

Description

Access control device

Technical Field

The utility model belongs to the technical field of entrance guard control, and particularly relates to an entrance guard control device.

Background

The access control device is also called as an access control access automatic management system, and relates to a plurality of new technical fields such as electronics, machinery, optics, computer technology, communication technology, biotechnology and the like.

The access control device still has the following defects:

firstly, the access control device in the prior art generally adopts an access control device of a magnetic lock, and is difficult to install in place, so that a plurality of people can directly pull open the access control device without swiping an access control card, which is undoubtedly a potential threat to safety systems of communities;

when the door is opened and the movable door is contacted, the hand is clamped and hurt due to signal detection error possibly, and people are hurt;

thirdly, after the first person swipes the card, the second person can enter the community, and the problem that the following person directly enters the community can be caused;

and fourthly, when the power is suddenly lost, the movable door can not be opened due to the self-locking capacity of the motor, so that great trouble is caused.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, the present invention provides an access control device, which solves the above-mentioned problems in the background art.

The scheme adopted by the utility model is as follows: an access control device comprises a shell and is characterized in that the left side of the shell is longitudinally and rotatably connected with a worm, the worm is driven by a power device, the left side of the shell is transversely and rotatably connected with a first optical axis, the first optical axis is fixedly connected with a large limiting disc and a small limiting disc at intervals, one end of the large limiting disc is fixedly connected with a first electromagnet, the upper end of the first optical axis is fixedly connected with a lug positioned between the large limiting disc and the small limiting disc, the lug is transversely and slidably connected with a worm wheel which is coaxially arranged with the first optical axis and is meshed with the worm, the left end of the worm wheel is fixedly connected with a first armature which is matched with the first electromagnet, a first reset spring is fixedly connected between the first electromagnet and the first armature, and the other end of the small limiting disc is coaxially and fixedly connected with a lead screw, the lateral sliding connection has the floating gate with lead screw meshing on the casing inside wall, casing right-hand member lateral rotation be connected with the coaxial fixed connection's of lead screw second optical axis, the floating gate upper end install with second optical axis complex first locking device, realize holding tightly the second optical axis for the second optical axis is not rotating, first electro-magnet and controller between electric connection.

Preferably, the first locking device comprises a second optical axis, the second optical axis is coaxially provided with an 'L' -shaped plate which is in transverse sliding connection and corresponds to the movable door, the movable door is connected with the 'L' -shaped plate through a second return spring, the upper end of the movable door is longitudinally and rotatably connected with a first gear, the first gear is meshed with a second gear which is transversely and rotatably connected to the upper end of the movable door, the second gear is meshed with a first rack which is vertically and slidably connected to the movable door, the upper end of the first rack is fixedly connected with a holding brake plate which is matched with the second optical axis, one end of the 'L' -shaped plate is fixedly connected with a second rack which is meshed with the first gear, and the upper end of the movable door is fixedly connected with a second locking device which corresponds to the rotating shaft end of the first gear.

Preferably, the second locking device comprises a movable door, the front end and the rear end of the movable door are fixedly connected with a circular ring which is coaxially arranged with the shaft end of the first gear, the circular ring is rotationally connected with three groups of holding sector plates matched with the shaft end of the first gear at intervals along the axial direction, the front end and the rear end of the L-shaped plate are transversely connected with a third rack in a sliding way, one end of the third rack is fixedly connected with a second armature iron, the inner side wall of the L-shaped plate is fixedly connected with a second electromagnet matched with a second armature iron, a third return spring is fixedly connected between the second electromagnet and the second armature, the first gear is coaxially and rotatably connected with a third gear meshed with a third rack, and one end of the third gear is rotatably connected with an arc rod which is rotatably connected with the holding fan-shaped plate, and the second electromagnet is electrically connected with the controller.

Preferably, the power device comprises a motor fixedly connected with one end of the shell and fixedly connected with the rotating shaft of the worm.

The utility model has the beneficial effects that:

the separation or meshing of the worm and the gear can be controlled through the electrification and the outage of the first electromagnet, so that the self-locking or normally open state of the door is realized, the situation that the movable door cannot be pushed into the door in the electrified state is ensured, the movable door can be braked emergently when being touched is ensured, and the clamping injury is prevented;

when power is suddenly cut off, the first electromagnet is also powered off, the worm and gear are separated, the movable door loses self-locking capacity, meanwhile, the first gear cannot rotate due to the second locking device, and the movable door can be opened by pushing the L-shaped plate;

thirdly, the structure is simple, the manufacturing cost is low, the safety degree can be effectively improved, and the personal safety of people is ensured.

Drawings

Fig. 1 is one of perspective views of the present invention.

Fig. 2 is one of perspective partial cut-away views of the present invention.

Fig. 3 is a partially enlarged view a of fig. 2.

Fig. 4 is a partially enlarged view B of fig. 2.

Fig. 5 is a perspective partial sectional view from the second perspective of the present invention.

Fig. 6 is a partially enlarged view C of fig. 5.

Fig. 7 is a partial enlarged view D of fig. 5.

In the figure, 1, a housing; 2. a worm; 3. a first optical axis; 4. a large limiting disc; 5. a small limiting disc; 6. a first electromagnet; 7. a bump; 8. a worm gear; 9. a first armature; 10. a first return spring; 11. a lead screw; 12. a movable door; 13. a second optical axis; 14. an "L" shaped plate; 15. a second return spring; 16. a first gear; 17. a second gear; 18. a first rack; 19. tightly holding the brake block; 20. a second rack; 21. a circular ring; 22. tightly holding the sector plate; 23. a third rack; 24. a second armature; 25. a second electromagnet; 26. a third return spring; 27. a third gear; 28. an arc rod; 29. an electric motor.

Detailed Description

The foregoing and other aspects, features and advantages of the utility model will be apparent from the following more particular description of the embodiments of the utility model, as illustrated in the accompanying drawings in which reference is made to figures 1 to 7. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

The embodiment one, a door control device, including the body 1, characterized by, the body 1 left side longitudinal rotation be connected with the worm 2, the worm 2 by power device drive, the body 1 left side horizontal rotation be connected with the first optical axis 3, the first optical axis 3 coaxial interval fixedly connected with big spacing disc 4, little spacing disc 5, big spacing disc 4 one end fixedly connected with first electro-magnet 6, the first optical axis 3 upper end fixedly connected with be located big spacing disc 4, little spacing disc 5 between the lug 7, under the circumstances that normal motor 29 circular telegram, through the controller make first electro-magnet 6 circular telegram, first electro-magnet 6 is electrified, make worm wheel 8 overcome first reset spring 10 and move on first optical axis 3, make worm wheel 8 move until little spacing disc 5 and worm 2 mesh, the convex block 7 is transversely connected with a worm wheel 8 which is coaxially arranged with the first optical axis 3 and meshed with the worm 2 in a sliding manner, the left end of the worm wheel 8 is fixedly connected with a first armature 9 matched with the first electromagnet 6 for use, a first return spring 10 is fixedly connected between the first electromagnet 6 and the first armature 9, the other end of the small limiting disc 5 is coaxially and fixedly connected with a lead screw 11, the inner side wall of the shell 1 is transversely connected with a movable door 12 meshed with the lead screw 11 in a sliding manner, the worm 2 can be rotated by the rotation of the motor 29, the worm wheel 8 meshed with the worm 2 is driven by the rotation of the worm 2 to start to rotate, the lead screw 11 is fixedly connected with the first optical axis 3, and the worm wheel 8 is transversely connected with the convex block 7 on the first optical axis 3, so that the first optical axis 3 can be driven by the worm 2 to rotate, and the large limiting disc 4 and the small limiting disc 5 also rotate along with the worm wheel, the screw rod 11 also rotates along with the first optical axis 3, the movable door 12 is meshed on the screw rod 11, so that the movable door 12 can be driven to move, the movable door moves into a groove at the right end of the shell 1, the shell 1 is completely sealed, the door is closed, safety of communities or other application places is guaranteed, the right end of the shell 1 is transversely and fixedly connected with a second optical axis 13 coaxial with the screw rod 11 in a rotating mode, a first locking device matched with the second optical axis 13 is installed at the upper end of the movable door 12, the second optical axis 13 is locked through the first locking device, the movable door 12 cannot continuously move forwards, accidents are guaranteed, people cannot be injured by clamping, an L-shaped plate in the groove does not act, the movable door can be restarted to move for opening by swiping again, the phenomenon that a trailing person directly enters a small area is guaranteed, and the first electromagnet 6 is electrically connected with a controller under emergency conditions, for example, in case of fire or sudden power failure, the first electromagnet 6 is also powered off, the worm wheel 8 moves leftwards under the action of the elastic force of the first return spring 10, so that the worm wheel 8 is not meshed with the worm 2, the self-locking capability of the movable door is lost, the movable door 12 can be pulled to move leftwards, the movable door 12 can be directly pulled open to open the door in emergency, the worm wheel 8 drives the worm 2 to rotate, but the worm 2 can drive the worm wheel 8 to rotate, when emergency occurs, the first electromagnet 6 is powered off, the worm wheel 8 is separated from the worm 2, the self-locking capability is lost, the movable door 12 can be opened, and the problem that the door cannot be opened when emergency power failure occurs is well solved.

In the embodiment, when the normal motor 29 is powered on, the first armature 9 is powered on by the controller, so that the worm wheel 8 moves on the first optical axis 3 against the first return spring 10, the worm wheel 8 moves until the small limit disc 5 is meshed with the worm 2, the worm 2 can rotate by the rotation of the motor 29, the worm wheel 8 meshed with the worm 2 is driven to start rotating by the rotation of the worm 2, the large limit disc 4 and the small limit disc 5 also rotate along with the rotation of the first optical axis 3 as the lead screw 11 is fixedly connected with the first optical axis 3 and the worm wheel 8 is transversely connected with the lug 7 on the first optical axis 3 in a sliding manner, the worm 2 can drive the first optical axis 3 to rotate when rotating, the lead screw 11 also rotates along with the first optical axis 3, the movable door 12 is meshed with the lead screw 11, so as to drive the movable door 12 to move to the groove at the right end of the housing 1, the shell 1 is completely sealed, the door is closed, safety of communities or other places with other purposes is guaranteed, if a person contacts an L-shaped plate in front of the movable door 12 in the moving process of the movable door 12, the second optical axis 13 can be locked through the first locking device, so that the movable door 12 cannot move forwards continuously, accidents are guaranteed, the person cannot be injured by clamping, the L-shaped plate in the groove does not act, the movable door can be restarted to move to be opened by swiping the card again, and the phenomenon that the following person directly enters a community is guaranteed;

in emergency situations, such as fire and sudden power failure, the first electromagnet is also powered off, the worm wheel 8 moves leftwards under the action of the elastic force of the first return spring 10, the worm wheel 8 is separated from the worm 2 and is not meshed, and therefore the moving door loses the self-locking capacity, the moving door 12 can be pulled leftwards to move, the moving door 12 can be directly pulled open to open the door in emergency situations, the worm wheel 8 drives the worm 2 to rotate, but the worm 2 drives the worm wheel 8 to rotate, and when the emergency situations occur, the first electromagnet 6 is powered off, the worm wheel 8 and the worm 2 are separated, the self-locking capacity is lost, the moving door 12 can be opened, and the problem that the door cannot be opened in the emergency power failure situation is well solved.

In the second embodiment, on the basis of the first embodiment, the first locking device includes a second optical axis 13, the second optical axis 13 is coaxially provided with an "L" shaped plate 14 which is transversely slidably connected and corresponds to the movable door 12, the movable door 12 is connected with the "L" shaped plate 14 through a second return spring 15, the upper end of the movable door 12 is longitudinally and rotatably connected with a first gear 16, the first gear 16 is engaged with a second gear 17 which is transversely and rotatably connected to the upper end of the movable door 12, the second gear 17 is engaged with a first rack 18 which is vertically and slidably connected with the movable door 12, when a person contacts the "L" shaped plate 14 during the movement of the movable door 12, the "L" shaped plate 14 overcomes the acting force of the second return spring 15, and the second rack 20 is fixedly connected to the upper end of the "L" shaped plate 14, so that the second rack 20 also moves, the second gear rack 20 is operated to drive the first gear 16 rotatably connected to the movable door 12 to rotate, the first gear 16 is operated to drive the second gear 17 to rotate, the first gear rack 18 slidably connected to the upper end of the movable door 12 is operated to drive the holding brake plate 19 fixedly connected to the first gear rack 18 to operate, so that the holding brake plate 19 is held tightly with the second optical axis 13, so that the second optical axis 13 cannot rotate, the screw rod 11 is fixedly connected with the second optical axis 13, so that the movable door 12 engaged with the screw rod 11 cannot move continuously when the holding brake plate 19 is held tightly with the second optical axis 13, the holding brake plate 19 matched with the second optical axis 13 is fixedly connected to the upper end of the first gear rack 18, the second gear rack 20 engaged with the first gear 16 is fixedly connected to one end of the L-shaped plate 14, and the second locking device corresponding to the rotating shaft end of the first gear 16 is fixedly connected to the upper end of the movable door 12, therefore, the condition that the human door is pinched and injured is prevented, and personal accidents are caused;

when the L-shaped plate 14 is loosened, the holding brake plate 19 is not in contact with the second optical axis 13, the motor 29 is stopped at the moment, and the motor 29 is started only by swiping the access control card again to open the movable door, so that a trailing person is prevented from entering the community.

In the embodiment, when the movable door 12 is in use, if a person contacts the L-shaped plate 14 during the movement of the movable door 12, the L-shaped plate 14 will act against the acting force of the second return spring 15, and since the upper end of the L-shaped plate 14 is fixedly connected with the second rack 20, the second rack 20 will also move, the action of the second rack 20 will drive the first gear 16 rotatably connected to the movable door 12 to rotate, the rotation of the first gear 16 will drive the second gear 17 to also rotate, the rotation of the second gear 17 will drive the first rack 18 slidably connected to the upper end of the movable door 12 to also operate, and drive the clasping brake piece 19 fixedly connected to the first rack 18 to actuate, so that the clasping brake piece 19 clasps the second optical axis 13, so that the second optical axis 13 cannot rotate, and since the lead screw 11 is fixedly connected to the second optical axis 13, when the clasping brake piece 19 clasps the second optical axis 13, the movable door 12 engaged with the screw rod 11 cannot move any more, and the movable door 12 stops to the position where the L-shaped plate 14 is contacted, thereby preventing the door from being pinched and causing personal accidents;

In a third embodiment, on the basis of the second embodiment, the second locking device includes a movable door 12, the front and rear ends of the movable door 12 are fixedly connected with circular rings 21 coaxially disposed with the shaft end of the first gear 16, the circular rings 21 are axially and rotationally connected with three groups of holding sector plates 22 matched with the shaft end of the first gear 16 at intervals, the front and rear ends of the L-shaped plate 14 are transversely and slidably connected with third racks 23, one end of each third rack 23 is fixedly connected with a second armature 24, a second electromagnet 25 matched with the second armature 24 is fixedly connected on the inner side wall of the L-shaped plate 14, a third return spring 26 is fixedly connected between the second electromagnet 25 and the second armature 24, the first gear 16 is coaxially and rotationally connected with a third gear 27 engaged with the third rack 23, one end of the third gear 27 is rotationally connected with an arc rod 28 rotationally connected with the holding sector plates 22, the second electromagnet 25 is electrically connected with the controller.

In the embodiment, when power is suddenly cut off in an emergency, the first electromagnet 6 is powered off, the second electromagnet 25 is powered off, so that the third rack 23 which is transversely and slidably matched with the upper end of the L-shaped plate 14 moves under the action of the elastic force of the third return spring 26, the third gear 27 which is meshed with the third rack starts to rotate, the third gear 27 rotates to drive the arc rod 28 which is rotatably connected to the third rack to start to operate, the arc rod 28 operates to drive the holding sector plates 22 which are connected to the circular ring 21 to start to operate, so that the three groups of holding sector plates 22 are locked with the shaft ends of the first gear 16, in the emergency, the worm 3 and the worm wheel 8 are separated, and the self-locking capability is not available, at this time, the moving door 12 can be moved through the L-shaped plate 14, the moving door 12 is opened, the holding sector plates 22 cannot rotate the first gear 16, so that the holding brake plate 19 cannot be contacted with the second optical axis 13, not hugging the second optical axis 13, avoiding that the moving door 12 can not be opened due to mistakenly touching the L-shaped plate 14 in an emergency, thereby being in a hurry and causing unnecessary trouble.

In the fourth embodiment, on the basis of the first embodiment, the power device comprises a motor 29 fixedly connected with one end of the housing 1 and fixedly connected with a rotating shaft of the worm 2.

In use, the worm 2 is started by the motor 29 and starts to rotate, and the embodiment is a power source of the whole device, and because the worm 2 can drive the worm wheel 8, and the worm wheel 8 can drive the worm 2,

the above description is only for the purpose of illustrating the present invention, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.

Claims

1. The access control device comprises a shell (1) and is characterized in that the shell (1) is longitudinally and rotatably connected with a worm (2) on the left side, the worm (2) is driven by a power device, the shell (1) is transversely and rotatably connected with a first optical axis (3) on the left side, the first optical axis (3) is coaxially and fixedly connected with a large limiting disc (4) and a small limiting disc (5) at intervals, one end of the large limiting disc (4) is fixedly connected with a first electromagnet (6), the upper end of the first optical axis (3) is fixedly connected with a lug (7) positioned between the large limiting disc (4) and the small limiting disc (5), the lug (7) is transversely and slidably connected with a worm wheel (8) which is coaxially arranged with the first optical axis (3) and is meshed with the worm (2), the left end of the worm wheel (8) is fixedly connected with a first armature (9) matched with the first electromagnet (6), first electro-magnet (6) and first armature (9) between first reset spring (10) of fixedly connected with, the coaxial fixedly connected with lead screw (11) of little spacing disc (5) other end, casing (1) inside wall on transverse sliding connection have with lead screw (11) meshed floating gate (12), casing (1) right-hand member transverse rotation be connected with lead screw (11) coaxial fixed connection's second optical axis (13), floating gate (12) upper end install with second optical axis (13) complex first locking device, realize holding tightly second optical axis (13) for second optical axis (13) are not rotating, first electro-magnet (6) and controller between electric connection.

2. The access control device according to claim 1, wherein the first locking device comprises a second optical axis (13), the second optical axis (13) is coaxially provided with an "L" shaped plate (14) which is connected in a transverse sliding manner and corresponds to the moving door (12), the moving door (12) is connected with the "L" shaped plate (14) through a second return spring (15), the upper end of the moving door (12) is longitudinally and rotatably connected with a first gear (16), the first gear (16) is engaged with a second gear (17) which is connected in a transverse rotating manner and is arranged at the upper end of the moving door (12), the second gear (17) is engaged with a first rack (18) which is vertically and slidably connected with the moving door (12), the upper end of the first rack (18) is fixedly connected with a clasping brake pad (19) which is matched with the second optical axis (13), and one end of the "L" shaped plate (14) is fixedly connected with a second rack (16) which is engaged with the first rack (18) (20) And the upper end of the movable door (12) is fixedly connected with a second locking device corresponding to the rotating shaft end of the first gear (16).

3. The access control device according to claim 2, wherein the second locking device comprises a movable door (12), the front end and the rear end of the movable door (12) are fixedly connected with a ring (21) coaxially arranged with the shaft end of the first gear (16), the ring (21) is axially and rotationally connected with three groups of holding sector plates (22) matched with the shaft end of the first gear (16) at intervals, the front end and the rear end of the L-shaped plate (14) are transversely and slidably connected with third racks (23), one end of each third rack (23) is fixedly connected with a second armature (24), a second electromagnet (25) matched with the second armature (24) is fixedly connected to the inner side wall of the L-shaped plate (14), and a third return spring (26) is fixedly connected between the second electromagnet (25) and the second armature (24), first gear (16) coaxial rotation be connected with third rack (23) meshing third gear (27), third gear (27) one end rotate be connected with hold sector plate (22) rotation be connected circular arc pole (28), second electro-magnet (25) and controller between electric connection.

4. An access control device according to claim 1, characterised in that the power means comprises an electric motor (29) fixedly connected to the rotary shaft of the worm (2) and fixedly connected to one end of the housing (1).