CN210164352U

CN210164352U - Automatic locking pin for automatically opening anti-theft door

Info

Publication number: CN210164352U
Application number: CN201920555476.XU
Authority: CN
Inventors: 金杰
Original assignee: 金杰
Current assignee: Harbin Xincheng door industry Co.,Ltd.
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-03-20
Anticipated expiration: 2029-04-23

Abstract

An automatic locking pin capable of automatically opening a security door relates to a locking mechanism for the security door. The locking mechanism consists of a locking pin assembly, a connecting rod and a connecting rod driving mechanism, has automatic control and manual control functions, and can manually unlock and open the door leaf no matter indoors or outdoors under the condition that a central control system fails. When the door leaf cannot be opened due to failure or power failure, the door leaf can be opened by unlocking the door leaf through a manual mechanism. The door leaf can be opened by manual unlocking under emergency, and the escape function requirement under emergency is met.

Description

Automatic locking pin for automatically opening anti-theft door

Technical Field

The utility model relates to an automatic fitting pin for burglary-resisting door, in particular to an automatic fitting pin for automatically opening burglary-resisting door.

Background

The various automatic or manual tool to lock of present wide application on the burglary-resisting door is the surface mounting mode, punches on the door body surface promptly, installs the installation panel in the door body surface, and the lock body is located between two door leafs, opens and all need operate the completion on the tool to lock panel with the locking. This lock is not suitable for a security door like CN106930643B, entitled "translational automatic opening security door". When a central control system receives a door opening signal to open the door, the door leaf in contact with the two side frames is firstly opened by an angle A, and then the door leaf begins to translate towards the two sides; when the door is closed, the two door leaves firstly translate from two sides to the middle and then reversely rotate by an angle A, so that the door leaves are closed in place. Although this type of anti-theft door can realize automatic opening and closing of double (single) door leaves, it is necessary to lock the door by using a locking mechanism that locks between the door leaves and the door frame after the door leaves reach the closed position. The existing lockset is arranged on the surface of the door leaf, so that on one hand, the integrity and consistency of the surface of the anti-theft door can be damaged, and the appearance of the door is influenced; on the other hand, the automatic anti-theft door is automatically opened and closed under the driving of a central control system, and the locking or unlocking process of the door leaf and the door frame can be automatically matched, so that the automatic anti-theft door is an automatic control lock, and a corresponding mode can be used for unlocking and opening the door in an emergency. The prior art lacks the research of relevant tool to lock, can not match with current automatic control door.

Disclosure of Invention

The disappearance and not enough to prior art exists, the utility model aims at providing an automatic fitting pin for automatically opening burglary-resisting door.

The utility model adopts the technical proposal that: the utility model provides an automatic locking round pin for automatically opening burglary-resisting door, installation locking mechanism in left door frame, right door frame, its technical essential is, locking mechanism constitute by locking round pin subassembly, connecting rod and connecting rod actuating mechanism, each locking round pin subassembly passes through the connecting rod and connects, the connecting rod then is connected with connecting rod actuating mechanism.

In the above scheme, the locking pin assembly is composed of a lock sleeve, a pin sleeve, a lock pin with a sliding groove, a shifting fork and a swing arm, wherein the lock sleeve is fixedly connected to the side edge of the door leaf; the pin sleeve is fixedly connected to the door frame opposite to the lock sleeve, the lock sleeve is communicated with the inner cavity of the pin sleeve, and a lock pin moving along the communicated inner cavity is arranged in the inner cavity of the pin sleeve; one end of the shifting fork and one end of the swing arm are coaxially connected to the door frame, the head of the shifting fork is located in the sliding groove of the lock pin, the other end of the swing arm is hinged to the connecting rod, the swing arm and the shifting fork are driven to swing in sequence when the connecting rod is pulled up and down, and the circular head of the shifting fork slides in the sliding groove of the lock pin and drives the lock pin to enter and exit the lock sleeve.

In the above scheme, the lock sleeve is fixed on the door leaf through the lock sleeve fixing nail.

In the above scheme, the connecting rod driving mechanism comprises a connecting rod sleeve, a screw nut transmission pair and a double-shaft motor, wherein the connecting rod is connected with a connecting rod seat fixed on the door frame, the upper part of the connecting rod sleeve is arranged in the connecting rod seat, and the lower part of the connecting rod sleeve is provided with the screw nut transmission pair; the lower part of the screw rod is connected with an upper output shaft of the double-shaft motor through a coupling; the connecting rod sleeve is in sliding fit with a guide plate fixed on the door frame; an output shaft at the lower part of the double-shaft motor is connected with a bevel gear; the end teeth of the bevel gear are matched with the teeth of the adapter sleeve to form a separated and combined clutch relation; a middle shaft is arranged in the adapter sleeve, and a bevel gear is in sliding fit with the middle shaft; the rotation of the double-shaft motor drives the screw rod to rotate, the guide of the screw rod nut transmission pair and the guide groove is converted into the up-and-down linear motion of the connecting rod sleeve, the connecting rod is pulled to move up and down, and the lock pin is driven to enter and exit the lock sleeve.

In the scheme, the locking device further comprises a manual locking assembly, wherein the manual locking assembly comprises a guide plate, an adapter sleeve with teeth, a bevel gear with end teeth and teeth, a middle shaft, a sliding sleeve with teeth, a pull rod, a connecting plate and a pressure spring, the outer wall of the adapter sleeve is connected with a crank, the crank is pushed to drive the adapter sleeve, the bevel gear and a lead screw on the upper part of a double-shaft motor to rotate in sequence, a connecting rod is driven to move up and down, and a lock pin enters and exits the lock sleeve; the sliding sleeve and the pressure spring are sequentially sleeved on the middle shaft, the sliding sleeve is in sliding connection with the middle shaft, teeth of the sliding sleeve and end teeth of the bevel gear are matched to form a separation and combination clutch relation, one end of the connecting plate is sleeved on the outer wall of the sliding sleeve, the other end of the connecting plate is connected with the pull rod, the pull rod is driven by external force to move to push the pressure spring to compress, the connecting plate in contact with the pressure spring drives the sliding sleeve to be meshed with the bevel gear, the key is inserted into the shrinkage hole to rotate the lock cylinder, the lock cylinder drives the middle shaft, the adapter sleeve, the bevel gear and a lead screw on the upper portion of.

In the scheme, the double-shaft motor is fixed on the side frame through the angle bracket.

The utility model has the advantages that: the automatic locking pin for automatically opening the anti-theft door comprises a locking pin assembly, a connecting rod and a connecting rod driving mechanism, and the locking mechanism has automatic control and manual control functions at the same time, so that the door leaf can be manually unlocked and opened no matter indoors or outdoors under the condition that a central control system is out of order. When the door leaf cannot be opened due to failure or power failure, the door leaf can be opened by unlocking the door leaf through a manual mechanism. The door leaf can be opened by manual unlocking under emergency, and the escape function requirement under emergency is met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an automatically opening security door with an automatic locking assembly installed therein according to an embodiment of the present invention;

FIG. 2 is a schematic view of the door leaf opening process of the present invention, wherein (a) is the door leaf locking position, (b) is the door leaf pre-opening position, and (c) is the door leaf fully-opening position;

FIG. 3 is a schematic view of a closing process of a door leaf according to the prior art, wherein (a) is a fully opened position, (b) is a pre-closed position of the door leaf, and (c) is a locked position of the door leaf;

fig. 4 is a schematic structural diagram of a locking mechanism in an embodiment of the present invention;

FIG. 5 is a schematic structural view of a locking pin assembly according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a link driving mechanism according to an embodiment of the present invention;

FIG. 7 is a schematic view of the F-F structure of FIG. 6;

FIG. 8 is a schematic view of the structure of FIG. 6 in the direction H-H;

the numbers in the figure illustrate the following: 1 door leaf, 2 door frames, 21 left door frame, 22 right door frame, 3 locking mechanisms, 4 locking pin assemblies, 41 fixing nails, 42 locking sleeves, 43 pin sleeves, 44 locking pins, 45 shifting forks, 46 swinging arms, 47 sliding grooves, 5 connecting rods, 6 connecting rod driving mechanisms, 61 connecting rod seats, 62 connecting rod sleeves, 621 guide grooves, 63 lead screw nut transmission pairs, 64 lead screws, 65 couplers, 66 double-shaft motors, 67 angle supports, 68 guide plates, 69 screws, 610 bevel gears, 611 end teeth, 612, 613 middle shaft adapter sleeves, 614 teeth, 615 sliding sleeves, 616 teeth, 617 compression springs, 618 pull rods, 619 connectors, 7 cranks and 8 keys.

Detailed Description

The above objects, features and advantages of the present invention will be more clearly understood and the present invention will be explained in more detail with reference to the accompanying drawings 1 to 8 and the detailed description thereof.

The automatic locking pin for automatically opening the security door adopted in the embodiment is characterized in that the same locking mechanisms 3 are installed in the left door frame 21 and the right door frame 22, each locking mechanism 3 is composed of a locking pin assembly 4, a connecting rod 5 and a connecting rod driving mechanism 6, each locking pin assembly 4 is connected through the connecting rod 5, each connecting rod 5 is connected with the corresponding connecting rod driving mechanism 6, and each connecting rod driving mechanism 6 is connected with the motor control system and receives the instruction of the motor control system to act.

The locking pin assembly 4 in this embodiment is composed of a lock sleeve 42, a pin sleeve 43 with a sliding groove, a lock pin 44 with a sliding groove 47, a shifting fork 45 and a swing arm 46, wherein the lock sleeve 42 is fixedly connected to the side edge of the door leaf 1; the pin bush 43 is fixedly connected to the door frame opposite to the lock bush 42, and a lock pin 44 matched with the lock bush 42 is arranged in the pin bush 43; one end of a shifting fork 45 and one end of a swing arm 46 are coaxially connected to a door frame through a pin shaft, the head of the shifting fork 45 is located in a sliding groove of a lock pin 44, the other end of the swing arm 46 is connected with a connecting rod 5 through another pin shaft, when the connecting rod 5 is pulled up and down, the swing arm 46 and the shifting fork 45 are driven to swing in sequence, and the circular head of the shifting fork 45 slides in the sliding groove of the lock pin 44 and drives the lock pin 44 to enter and exit the lock.

The lock case 42 in this embodiment is fixed by the lock case fixing nail 41.

The connecting rod driving mechanism 6 in this embodiment includes a connecting rod seat 61, a connecting rod sleeve 62, a screw nut transmission pair 63, a double-shaft motor 66, a guide plate 68, a transfer sleeve 613 with teeth, a bevel gear 610, a middle shaft 612, a sliding sleeve 615 with teeth, a pull rod 618, a coupling plate 619 and a pressure spring 617, wherein the connecting rod 5 is connected with the connecting rod seat 61 through a pin, the connecting rod seat 61 is connected with the connecting rod sleeve 62, and the screw nut transmission pair 63 is installed at the lower part of the connecting rod sleeve 62; the lower part of the screw rod 64 is connected with the upper output shaft of a double-shaft motor 66 through a pair of couplings 65; the biaxial motor 66 is fixed to the side frame 22 by an angle bracket 67. The link sleeve 62 is slidably engaged with the guide plate 68 through a guide slot 621, and the guide plate 68 is fixed to the right door frame 22 by a screw 69. The rotation of the double-shaft motor 66 will drive the rotation of the lead screw 64, and the lead screw is converted into the up-and-down linear motion of the connecting rod sleeve 62 through the lead of the lead screw nut transmission pair 63 and the guide groove, so as to pull the connecting rod 5 to move up and down, and the lock pin 44 can complete the pulling-out action from the lock sleeve 42.

The present embodiment has a central control system embedded in the outer door frame. The central control system in this embodiment is composed of a single chip microcomputer of a model M86HC05, and is mainly responsible for receiving a door opening signal, sending an opening signal to a motor of a main transmission system (not shown in the figure) responsible for opening and closing a door to open a door leaf, sending a door closing signal to close the door leaf, and sending a locking signal to a double-shaft motor of an automatic locking pin after the door leaf is closed to complete locking of the door leaf and a door frame; and vice versa, and will not be described in detail herein.

In this embodiment, a manual locking assembly is connected below the screw and nut transmission pair 63. The double-shaft motor 66 is a motor with an upper output shaft and a lower output shaft, and the output shaft at the lower part of the double-shaft motor 66 is connected with a bevel gear 610; the left end tooth 611 of the bevel gear 610 can be engaged with the right tooth 614 of the adapter sleeve 613 to form a split and combined clutch relationship. A middle shaft 612 is installed in an adapter sleeve 613, a bevel gear 610 is in sliding fit with the middle shaft 612, a crank 7 is connected to the outer wall of the adapter sleeve 613, when the crank 7 pushes the adapter sleeve 613 rightwards, a tooth 614 on the right side of the adapter sleeve 613 is meshed with an end tooth 611 on the left side of the bevel gear 610 into a whole, namely when the crank 7 is shaken, the adapter sleeve 613 and the bevel gear 610 are sequentially driven to rotate, a screw rod 64 on the upper portion of a double-shaft motor 66 is driven to rotate, a connecting rod 5 is pulled to move up and down, and the lock pin 44 is pulled out of the lock sleeve 42. The sliding sleeve 615 and the pressure spring 617 are sleeved on the middle shaft 612 in sequence, the sliding sleeve 615 slides left and right on the middle shaft 612, and the left tooth 614 and the right tooth 616 of the bevel gear 610 form a separated and combined clutch relationship. One end of the connecting plate 619 is sleeved on the outer wall of the sliding sleeve 615, and the other end of the connecting plate 619 is sleeved on the outer wall of the pull rod 618. The left and right moving position control is completed by matching a pressure spring 617 and a pull rod 618, when the pull rod 618 is screwed in leftwards, the pressure spring 617 pushes a sliding sleeve 615 and a connecting plate 619 to move leftwards until the sliding sleeve 615 is meshed with teeth 616 of a bevel gear, at this time, a person outside a door can use a key to insert into a shrinkage cavity, a lock cylinder is rotated to drive a middle shaft 612 to rotate together, the rotation of the middle shaft 612 can drive the bevel gear 610 and a screw rod 64 on the upper part of a double-shaft motor 66 to rotate, a connecting rod 5 is pulled to move up and down, and the lock pin 44 can complete the pulling-out action from; when the pull rod 6.18 is screwed out to the right, the connecting plate 619 and the sliding sleeve 615 are pulled to move rightwards until the sliding sleeve 615 is separated from the teeth 616 of the bevel gear 610, and the pressure spring 617 is compressed at the same time; the engagement of the manual control teeth 614 and 616 is for opening the door leaf from the indoor and outdoor in an emergency, and the disengagement of the manual control teeth 614 and 616 is for the dual-shaft motor 66 to drive the end tooth 611 engaged with the lower output shaft bevel gear 610 to idle on the central shaft 612 and separate from the indoor crank 7 and the outdoor key in the normal automatic working state of the door.

The working process of the automatic locking pin in the embodiment is as follows:

when the door leaf is closed, the door leaf and the door frame need to be locked, namely, the door leaf and the door frame are automatically inserted into the corresponding lock holes by the automatic locking pins, so that the door leaf and the door frame are locked into a whole, and meanwhile, after the central control system sends a door opening signal, the automatic locking pins are controlled to automatically pull out the corresponding lock holes, so that the door leaf and the door frame are separated. The automatic locking pin in the embodiment is inserted and pulled out to synchronously work with a central control system of the door, and meanwhile, the automatic locking pin has a manual operation function no matter indoors or outdoors under the condition that the central control system fails, namely, the automatic locking pin is opened manually, so that the door leaf is separated from the door frame, and the requirement that people open the door leaf to complete an emergency escape function in an emergency state is met.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The automatic locking pin for automatically opening the antitheft door is characterized in that the locking mechanism consists of a locking pin component, a connecting rod and a connecting rod driving mechanism, wherein the locking pin components are connected through the connecting rod, and the connecting rod is connected with the connecting rod driving mechanism.

2. The automatic locking pin for automatically opening an anti-theft door according to claim 1, wherein the locking pin assembly comprises a lock sleeve, a pin sleeve, a lock pin with a sliding groove, a shifting fork and a swing arm, wherein the lock sleeve is fixedly connected to the side edge of the door leaf; the pin sleeve is fixedly connected to the door frame opposite to the lock sleeve, the lock sleeve is communicated with the inner cavity of the pin sleeve, and a lock pin moving along the communicated inner cavity is arranged in the inner cavity of the pin sleeve; one end of the shifting fork and one end of the swing arm are coaxially connected to the door frame, the head of the shifting fork is located in the sliding groove of the lock pin, the other end of the swing arm is hinged to the connecting rod, the swing arm and the shifting fork are driven to swing in sequence when the connecting rod is pulled up and down, and the circular head of the shifting fork slides in the sliding groove of the lock pin and drives the lock pin to enter and exit the lock sleeve.

3. The automatic locking pin for automatically opening a burglar-proof door as claimed in claim 2, wherein said lock case is fixed to the door leaf by a lock case fixing nail.

4. The automatic locking pin for automatically opening a burglar-proof door according to claim 1, wherein the link driving mechanism comprises a link bushing, a screw nut transmission pair and a double-shaft motor, the link is connected with a link base fixed on the door frame, the upper portion of the link bushing is installed in the link base, and the lower portion of the link bushing is provided with the screw nut transmission pair; the lower part of the screw rod is connected with an upper output shaft of the double-shaft motor through a coupling; the connecting rod sleeve is in sliding fit with a guide plate fixed on the door frame; an output shaft at the lower part of the double-shaft motor is connected with a bevel gear; the end teeth of the bevel gear are matched with the teeth of the adapter sleeve to form a separated and combined clutch relation; a middle shaft is arranged in the adapter sleeve, and a bevel gear is in sliding fit with the middle shaft; the rotation of the double-shaft motor drives the screw rod to rotate, the guide of the screw rod nut transmission pair and the guide groove is converted into the up-and-down linear motion of the connecting rod sleeve, the connecting rod is pulled to move up and down, and the lock pin is driven to enter and exit the lock sleeve.

5. The automatic locking pin for automatically opening an antitheft door according to claim 4, further comprising a manual locking assembly, wherein the manual locking assembly comprises a guide plate, an adapter sleeve with teeth, a bevel gear with end teeth and teeth, a middle shaft, a sliding sleeve with teeth, a pull rod, a connecting plate and a pressure spring, the outer wall of the adapter sleeve is connected with a crank, the crank is pushed to drive the adapter sleeve, the bevel gear and a lead screw on the upper part of a double-shaft motor to rotate in sequence, and a connecting rod is driven to move up and down to enable a lock pin to enter and exit the lock sleeve; the sliding sleeve and the pressure spring are sequentially sleeved on the middle shaft, the sliding sleeve is in sliding connection with the middle shaft, teeth of the sliding sleeve and end teeth of the bevel gear are matched to form a separation and combination clutch relation, one end of the connecting plate is sleeved on the outer wall of the sliding sleeve, the other end of the connecting plate is connected with the pull rod, the pull rod is driven by external force to move to push the pressure spring to compress, the connecting plate in contact with the pressure spring drives the sliding sleeve to be meshed with the bevel gear, the key is inserted into the shrinkage hole to rotate the lock cylinder, the lock cylinder drives the middle shaft, the adapter sleeve, the bevel gear and a lead screw on the upper portion of.

6. The automatic locking pin for automatically opening a burglar-proof door as claimed in claim 4, wherein said double-shaft motor is fixed to the side frame by means of an angle bracket.