CN216741085U

CN216741085U - Auxiliary locking mechanism of double-open anti-theft door

Info

Publication number: CN216741085U
Application number: CN202122793692.8U
Authority: CN
Inventors: 刘杰; 陈汉邻; 张川
Original assignee: Chengdu Panpan Xinfeng Technology Co ltd
Current assignee: Chengdu Portyite Smart Home Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-06-14
Anticipated expiration: 2031-11-16

Abstract

The utility model provides an auxiliary locking mechanism of a double-opening anti-theft door. The auxiliary locking mechanism of the double-opening anti-theft door comprises a fixed box arranged on the anti-theft door; the two limiting seats are fixedly arranged in the fixing box; the two long sliding rods are respectively installed on the two limiting seats in a sliding mode; the two locking insertion blocks are arranged in the fixed box in a sliding mode, and the ends, far away from each other, of the two locking insertion blocks extend out of the fixed box; the two racks are respectively and fixedly arranged at one ends, close to each other, of the two long sliding rods; and the rotating shaft is rotatably arranged in the fixed box and is positioned between the two racks. The auxiliary locking mechanism of the double-open anti-theft door provided by the utility model has the advantages that the upper and lower positions of the anti-theft door can be simultaneously unlocked through single operation, the operation is simple, and the consumed time is less.

Description

Auxiliary locking mechanism of double-open anti-theft door

Technical Field

The utility model relates to the technical field of security doors, in particular to an auxiliary locking mechanism of a double-opening security door.

Background

The anti-theft door is called as anti-theft safety door, it is equipped with anti-theft lock, can resist abnormal opening under a certain condition in a certain time, has a certain safety protection property and accords with corresponding anti-theft safety grade, and the anti-theft door is divided into four grades of A, B, C and D according to anti-theft safety grade, and is progressively reduced from high to low.

Some burglary-resisting doors that open door can pin one of them door when daily use, and prior art sets up the keeper respectively in the upper and lower side of burglary-resisting door and locks usually, however this kind of mode leads to when opening corresponding burglary-resisting door the handling capacity big, consuming time many, and some burglary-resisting doors are higher, and it is also comparatively inconvenient to relieve the locking of top keeper to meet emergency and need when evacuating crowd, consuming time more can bring the potential risk.

Therefore, there is a need to provide a new secondary locking mechanism for a double-open anti-theft door to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem of providing an auxiliary locking mechanism of a double-opening anti-theft door, which can simultaneously unlock the upper part and the lower part of the anti-theft door by single operation, and has simple operation and less time consumption.

In order to solve the above technical problem, the present invention provides an auxiliary locking mechanism for a double-open security door, comprising: the fixing box is arranged on the security door; the two limiting seats are fixedly arranged in the fixing box; the two long sliding rods are respectively installed on the two limiting seats in a sliding mode; the two locking insertion blocks are arranged in the fixed box in a sliding mode, and the ends, far away from each other, of the two locking insertion blocks extend out of the fixed box; the two racks are respectively and fixedly arranged at one ends, close to each other, of the two long sliding rods; the rotating shaft is rotatably arranged in the fixed box, is positioned between the two racks, and extends to the outside of the fixed box; the gear is fixedly sleeved on the rotating shaft, and the two racks are meshed with the gear; the two circular slots are formed in the outer wall of one side of the fixed box; a handle mechanism disposed on the rotational axis.

Preferably, the handle mechanism comprises a rectangular connecting rod, a handle, a sleeve block, a connecting strip, a round bolt, a baffle ring and a spring, the rectangular connecting rod is arranged at one end of the rotating shaft outside the fixed box, the handle is fixedly arranged at one end of the rectangular connecting rod far away from the rotating shaft, the sleeve block is sleeved on the rectangular connecting rod in a sliding manner, the connecting strip is fixedly arranged at the bottom of the sleeve block, the round bolt is fixedly arranged on the connecting strip, one end of the round bolt far away from the connecting strip extends into the round slot positioned below the round bolt, the baffle ring is arranged on the rectangular connecting rod, the baffle ring and the rectangular connecting rod are of an integral structure, the spring is movably sleeved on the rectangular connecting rod, one end of the spring is fixedly connected with the connecting strip, and the other end of the spring is fixedly connected with the baffle ring.

Preferably, two sliding rails are fixedly mounted on the inner walls of the two sides of the fixed box, two locking insertion blocks are slidably mounted on the corresponding two sliding rails, through holes are formed in the top and the bottom of the fixed box, and the two locking insertion blocks penetrate through the two through holes and are slidably connected with the inner walls of the two through holes respectively.

Preferably, two first limiting stop blocks are fixedly installed in the fixed box, the two long sliding rods are respectively contacted with the two first limiting stop blocks, and two second limiting stop blocks are fixedly installed in the fixed box.

Preferably, two third limiting stoppers are fixedly mounted on the outer wall of one side of the fixing box, and the handle is in contact with the third limiting stopper located below the handle.

Preferably, the rotation axis is located one of the fixed box outside and has served and seted up the rectangle slot, the rectangle connecting rod is close to one of fixed box is served and is provided with the rectangle inserted block, just the rectangle inserted block with rectangle connecting rod structure as an organic whole, the rectangle inserted block is located in the rectangle slot, set up in the rotation axis with the mounting hole that the rectangle slot is linked together, install the screw in the mounting hole, the screw runs through the rectangle inserted block and with rectangle inserted block threaded connection.

Preferably, an internal thread hole is formed in the rectangular insertion block, the screw penetrates through the internal thread hole and is screwed with the inner wall of the internal thread hole, a screw head is arranged at the top end of the screw, and an inner hexagonal groove is formed in the screw head.

Compared with the related art, the auxiliary locking mechanism of the double-opening anti-theft door provided by the utility model has the following beneficial effects:

when the auxiliary locking mechanism is used, a related user holds the handle and the connecting strip and tightens the handle slightly with force to unlock the handle, then rotates the handle anticlockwise, and finally enables the two locking insertion blocks to be completely withdrawn from the corresponding adaptive locking grooves through the transmission action of the structures such as the gear, the two racks and the like, so that the locking of the upper position and the lower position of the anti-theft door is unlocked at one time, and the whole anti-theft door has the advantages of simplicity in operation and less time consumption.

Drawings

FIG. 1 is a front view of a first embodiment of an auxiliary locking mechanism of a double-open security door provided in the utility model;

FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;

FIG. 3 is an enlarged schematic view of portion B shown in FIG. 1;

FIG. 4 is a front view of a first embodiment of the secondary locking mechanism of the double-acting security door provided in accordance with the present invention;

FIG. 5 is an enlarged schematic view of portion C shown in FIG. 4;

FIG. 6 is a schematic side view of the handle structure of the first embodiment of the auxiliary locking mechanism of the double-opening anti-theft door according to the present invention;

FIG. 7 is a side view of the handle structure of the second embodiment of the secondary locking mechanism of the double-opening anti-theft door according to the present invention;

fig. 8 is an enlarged schematic view of a portion D shown in fig. 7.

The reference numbers in the figures: 1. a security door; 2. a fixing box; 3. a limiting seat; 4. a long slide bar; 5. a slide rail; 6. locking the insert block; 7. a rack; 8. a rotating shaft; 9. a gear; 10. a rectangular connecting rod; 11. a handle; 12. sleeving a block; 13. a connecting strip; 14. a round bolt; 15. a round slot; 16. a baffle ring; 17. a spring; 18. a first limit stopper; 19. a second limit stop; 20. a door frame; 21. adapting the locking groove; 22. a rectangular slot; 23. a rectangular insert block; 24. mounting holes; 25. and (4) screws.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

First embodiment

Referring to fig. 1-6, in a first embodiment of the present invention, an auxiliary locking mechanism of a double-opening security door comprises: the fixed box 2 is arranged on the security door 1; the two limiting seats 3 are fixedly arranged in the fixed box 2; the two long sliding rods 4 are respectively installed on the two limiting seats 3 in a sliding mode; the two locking insertion blocks 6 are arranged in the fixed box 2 in a sliding mode, and the ends, far away from each other, of the two locking insertion blocks 6 extend out of the fixed box 2 and are inserted into adaptive locking grooves 21 formed in a door frame 20; the two racks 7 are respectively and fixedly arranged at one ends, close to each other, of the two long sliding rods 4; the rotating shaft 8 is rotatably installed in the fixed box 2, the rotating shaft 8 is located between the two racks 7, and one end of the rotating shaft 8 extends out of the fixed box 2; the gear 9 is fixedly sleeved on the rotating shaft 8, the two racks 7 are meshed with the gear 9, the two racks 7 can be driven to move simultaneously in the rotating process of the gear 9, and the moving directions of the two racks 7 are opposite all the time; the two circular slots 15 are formed in the outer wall of one side of the fixed box 2; a handle mechanism provided on the rotation shaft 8.

Specifically, the handle mechanism comprises a rectangular connecting rod 10, a handle 11, a sleeve block 12, a connecting strip 13, a circular bolt 14, a baffle ring 16 and a spring 17, wherein the rectangular connecting rod 10 is installed at one end of the rotating shaft 8 positioned outside the fixed box 2, in the embodiment, the rectangular connecting rod 10 and the rotating shaft 8 are of an integral structure, the handle 11 is fixedly installed at one end of the rectangular connecting rod 10 far away from the rotating shaft 8, the sleeve block 12 is sleeved on the rectangular connecting rod 10 in a sliding manner, the connecting strip 13 is fixedly installed at the bottom of the sleeve block 12, the circular bolt 14 is fixedly installed on the connecting strip 13, one end of the circular bolt 14 far away from the connecting strip 13 extends into the circular slot 15 positioned below, the baffle ring 16 is arranged on the rectangular connecting rod 10, and the baffle ring 16 and the rectangular connecting rod 10 are of an integral structure, the spring 17 movable sleeve is established on the rectangle connecting rod 10, spring 17's one end with connecting strip 13 fixed connection, spring 17's the other end with keep off ring 16 fixed connection, still fixed mounting has supplementary spacing slide bar on the handle 11, supplementary spacing slide bar run through connecting strip 13 and with connecting strip 13 sliding connection, connecting strip 13 is close to the in-process of handle 11, can drive round bolt 14 and withdraw from round slot 15 for handle 11 can be rotated.

In order to limit the motion tracks of the two locking insertion blocks 6 and ensure that the two locking insertion blocks can only vertically slide, two sliding rails 5 are fixedly mounted on the inner walls of the two sides of the fixed box 2, the two locking insertion blocks 6 are slidably mounted on the corresponding two sliding rails 5, through holes are formed in the top and the bottom of the fixed box 2, and the two locking insertion blocks 6 respectively penetrate through the two through holes and are respectively and slidably connected with the inner walls of the two through holes.

In order to avoid over-extension of the two locking inserts 6, two first limiting stops 18 are fixedly mounted in the fixed box 2, and the two long sliding rods 4 in fig. 1 and 3 are respectively in contact with the two first limiting stops 18, which also represents a state in which the security door 1 is locked both up and down, and in this state, the handle 11 is in contact with a third limiting stop, mentioned below, and two second limiting stops 19 are fixedly mounted in the fixed box 2, and the two second limiting stops 19 are used for avoiding over-retraction of the two locking inserts 6.

Two third limiting stops are fixedly installed on the outer wall of one side of the fixing box 2, when the antitheft door 1 is in a locking state, the handle 11 is in contact with the third limiting stop located below, the round bolt 14 is inserted into the round slot 15 located below, when the antitheft door 1 is unlocked, the handle 11 needs to be rotated to be in contact with the third limiting stop located above, and then the round bolt 14 is inserted into the round slot 15 located above.

In this embodiment:

referring to fig. 1 and fig. 2 again, two security doors 1 are hinged in a door frame 20, the device is fixedly mounted on the back of the security door 1 (normally located indoors) and the door frame 20 is provided with four adaptive locking slots 21, when the security door 1 is in a daily locking state (both the security doors shown in fig. 1 are in a locking state), two locking insertion blocks 6 of the device are located in the corresponding adaptive locking slots 21, so that the security door 1 can be prevented from rotating, and in this state, as shown in fig. 5 and fig. 6, a round insertion pin 14 is inserted into a round insertion slot 15 located below;

when the locking of the security door 1 needs to be released, related personnel only need to hold the handle 11 and the connecting bar 13 at the same time and tighten the handle, the connecting bar 13 will lean against the handle 11, the connecting bar 13 drives the sleeve block 12 to move, so that the spring 17 is compressed to store a certain amount of elastic potential energy, the connecting bar 13 also drives the round bolt 14 to move during the movement, the round bolt 14 will withdraw from the round slot 15 positioned below, so that the handle 11 loses the locking, then the handle 11 rotates anticlockwise, the handle 11 drives the rotating shaft 8 to rotate anticlockwise through the rectangular connecting rod 10, the rotating shaft 8 drives the gear 9 to rotate, the gear 9 drives the rack 7 on the right side to move upwards during the anticlockwise rotation, the rack 7 on the left side to move downwards, the two racks 7 respectively drive the two locking insertion blocks 6 to move through the corresponding long slide bars 4 (i.e. the two locking insertion blocks 6 do relative movement), so that the two locking inserts 6 are gradually withdrawn from the corresponding fitting locking grooves 21, until, after the handle 11 is brought into contact with the third limiting stopper located above, the two locking inserts 6 are completely withdrawn from the corresponding fitting locking grooves 21, and then the handle 11 and the connecting strip 13 are released, under the elastic force of the spring 17, the connecting bar 13 will make a return movement (i.e. the connecting bar 13 will lean against the fixed box 2), the round pin 14 on the connecting bar 13 will be inserted into the round slot 15 located above, so that the handle 11 is locked again, and under the condition that the handle 11 is locked, the gear 9 can not rotate, the two locking inserts 6 can not act, and then the security door 1 can be opened (under the emergency condition, the handle 11 can not be considered to be locked again, and after the handle 11 rotates anticlockwise to be contacted with a third limit stop positioned above, the security door 1 can be directly opened by pushing outwards);

when the anti-theft door 1 is locked again, the operation is carried out in the reverse direction according to the principle.

when the auxiliary locking mechanism of the double-open anti-theft door is used, a related user holds the handle 11 and the connecting strip 13 and tightens the handle 11 slightly with force to unlock the handle 11, then rotates the handle 11 anticlockwise, and finally enables the two locking insertion blocks 6 to be completely withdrawn from the corresponding adaptive locking grooves 21 through the transmission action of the structures such as the gear 9, the two racks 7 and the like, so that the locking of the upper position and the lower position of the anti-theft door 1 is unlocked at one time, and the whole anti-theft door has the advantages of simplicity in operation and less time consumption.

Second embodiment:

based on the auxiliary locking mechanism of the double-opening security door provided by the first embodiment of the application, the second embodiment of the application provides another auxiliary locking mechanism of the double-opening security door, the second embodiment is only a preferable mode of the first embodiment, and the implementation of the second embodiment has no influence on the single implementation of the first embodiment.

The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments

Referring to fig. 7 to 8 in combination, in the second embodiment of the present invention, the rectangular connecting rod 10 and the rotating shaft 8 are no longer an integral structure, and the two are in a contact state, and a quick detachable design is adopted, specifically, a rectangular slot 22 is formed on one end of the rotating shaft 8 located outside the fixing box 2, a rectangular insertion block 23 is arranged on one end of the rectangular connecting rod 10 close to the fixing box 2, the rectangular insertion block 23 and the rectangular connecting rod 10 are an integral structure, the rectangular insertion block 23 is located in the rectangular slot 22, a mounting hole 24 communicated with the rectangular slot 22 is formed on the rotating shaft 8, a screw 25 is installed in the mounting hole 24, and the screw 25 penetrates through the rectangular insertion block 23 and is in threaded connection with the rectangular insertion block 23.

The rectangular insertion block 23 is provided with an internal thread hole, the screw 25 penetrates through the internal thread hole and is screwed with the inner wall of the internal thread hole, the top end of the screw 25 is provided with a screw head, the screw 25 is screwed out by a related maintainer conveniently, an inner hexagonal groove is formed in the screw head, and an inner hexagonal wrench is convenient to insert.

In this embodiment:

when any part of the handle mechanism is damaged and needs to be replaced, the screw 25 can be rotated anticlockwise by using the socket head wrench, the screw 25 can move upwards in the anticlockwise rotating process, and can be finally screwed off from the internal thread hole, and then the handle 11 is pulled outwards, so that the whole handle mechanism can be separated from the rotating shaft 8, and the maintenance or the replacement is more convenient; when the rectangular plug block is remounted, the rectangular plug block 23 is inserted into the rectangular slot 22, and then the screw 25 is screwed into the inner screw hole again.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the arrangement of the power mechanism and the control system of the device, etc., is not completely described, but the details of the power mechanism and the control system can be clearly known by those skilled in the art on the premise of understanding the principle of the present invention.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An auxiliary locking mechanism of a double-opening anti-theft door is characterized by comprising:

the fixed box is arranged on the security door;

the two limiting seats are fixedly arranged in the fixing box;

the two long sliding rods are respectively installed on the two limiting seats in a sliding mode;

the two locking insertion blocks are arranged in the fixed box in a sliding mode, and the ends, far away from each other, of the two locking insertion blocks extend out of the fixed box;

the two racks are respectively and fixedly arranged at one ends, close to each other, of the two long sliding rods;

the rotating shaft is rotatably arranged in the fixed box, is positioned between the two racks, and extends to the outside of the fixed box;

the gear is fixedly sleeved on the rotating shaft, and the two racks are meshed with the gear;

the two circular slots are formed in the outer wall of one side of the fixed box;

a handle mechanism disposed on the rotational axis.

2. The auxiliary locking mechanism of a double-open burglarproof door according to claim 1, wherein the handle mechanism comprises a rectangular connecting rod, a handle, a sleeve block, a connecting strip, a round pin, a retaining ring and a spring, the rectangular connecting rod is installed on one end of the rotating shaft outside the fixing box, the handle is fixedly installed on one end of the rectangular connecting rod far away from the rotating shaft, the sleeve block is slidably sleeved on the rectangular connecting rod, the connecting strip is fixedly installed at the bottom of the sleeve block, the round pin is fixedly installed on the connecting strip, one end of the round pin far away from the connecting strip extends into the round slot below, the retaining ring is arranged on the rectangular connecting rod, the retaining ring and the rectangular connecting rod are of an integral structure, and the spring is movably sleeved on the rectangular connecting rod, one end of the spring is fixedly connected with the connecting strip, and the other end of the spring is fixedly connected with the baffle ring.

3. The auxiliary locking mechanism of a double-open anti-theft door according to claim 1, wherein two sliding rails are fixedly mounted on the inner walls of the two sides of the fixed box, two locking insertion blocks are slidably mounted on the corresponding two sliding rails, through holes are formed in the top and the bottom of the fixed box, and the two locking insertion blocks respectively penetrate through the two through holes and are respectively slidably connected with the inner walls of the two through holes.

4. A secondary locking mechanism of a double-open anti-theft door according to claim 1, wherein two first limiting stoppers are fixedly installed in the fixed box, two long sliding rods are respectively contacted with the two first limiting stoppers, and two second limiting stoppers are fixedly installed in the fixed box.

5. The auxiliary locking mechanism of a double-open security door according to claim 1, wherein two third limiting stoppers are fixedly mounted on an outer wall of one side of the fixed box, and the handle is in contact with the third limiting stopper positioned below.

6. The auxiliary locking mechanism of a double-open anti-theft door according to claim 2, wherein a rectangular slot is formed in one end of the rotating shaft, which is located outside the fixing box, a rectangular insertion block is arranged at one end of the rectangular connecting rod, which is close to the fixing box, and the rectangular insertion block and the rectangular connecting rod are of an integral structure, the rectangular insertion block is located in the rectangular slot, a mounting hole communicated with the rectangular slot is formed in the rotating shaft, a screw is installed in the mounting hole, and the screw penetrates through the rectangular insertion block and is in threaded connection with the rectangular insertion block.

7. The auxiliary locking mechanism of a double-open anti-theft door according to claim 6, wherein the rectangular insert block is provided with an internal threaded hole, the screw penetrates through the internal threaded hole and is screwed with the inner wall of the internal threaded hole, the top end of the screw is provided with a screw head, and the screw head is provided with an inner hexagonal groove.