CN209780654U - Bridge cut-off aluminum alloy multi-point lock safety burglary-resisting door - Google Patents

Abstract

the utility model provides a bridge cut-off aluminum alloy multipoint lock safety anti-theft door, which comprises a door frame, an outer door body, an inner door body and a door lock system; the door lock system is arranged in the inner door body, the inner door body is arranged in the outer door body, the outer door body is embedded in the door frame, and one side of the outer door body is hinged to the door frame; the door lock system comprises a lock body and an auxiliary lock mechanism, wherein a lock core is arranged in the lock body, and a bolt which can extend out from the upper end, the lower end and the free end of the outer door body is arranged in the auxiliary lock mechanism; the door frame is provided with latch holes at positions corresponding to the latches, and the front and back surfaces of the outer door body are provided with handles. A bridge cut-off aluminum alloy multiple spot lock safety burglary-resisting door set up the multiple spot lock around the door body, effectively promote a body theftproof performance, strengthen a body intensity through setting up the inside and outside double-layer door body.

Description

Bridge cut-off aluminum alloy multi-point lock safety burglary-resisting door

Technical Field

The utility model belongs to the technical field of anti-theft device, especially, relate to a bridge cut-off aluminum alloy multiple spot lock safety burglary-resisting door.

background

with the continuous improvement of the living standard of people, the anti-theft door becomes a necessary household facility for each household. The safety coefficient of a house can be obviously improved by additionally arranging the security door, and the influence of thieves is avoided. The anti-theft door is a building material which can resist abnormal opening means under certain conditions within a certain time. The existing abnormal opening means can be roughly divided into two types: one is violent unlocking, for example, an opening process is realized by using tools such as hydraulic pliers, an electric hammer or an electric drill and the like and damaging a door body; and secondly, the technical unlocking is realized, and the unlocking of the anti-theft door is implemented on the premise of not damaging the lock body by a technical means with a special tool.

The existing anti-theft door improves the anti-violence unlocking coefficient through strengthening the door body material, and prolongs the technical unlocking time through improving the safety level of the lock cylinder. But the excessive reinforcement to the door body material can promote a body weight, inconvenient resident's use, and the promotion lock core factor of safety of a taste also can not thoroughly stop technical unlocking means.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a bridge cut-off aluminum alloy multiple spot lock safety burglary-resisting door to promote the theftproof factor of safety in resident's house.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

A bridge cut-off aluminum alloy multipoint lock safety anti-theft door comprises: the door comprises a door frame, an outer door body, an inner door body and a door lock system; the door lock system is arranged in an inner door body, the inner door body is arranged in an outer door body, the outer door body is embedded in the door frame, and one side of the outer door body is hinged to the door frame; the door lock system comprises a lock body and an auxiliary lock mechanism, wherein a lock core is arranged in the lock body and used for opening or closing the auxiliary lock mechanism, and a bolt which can extend out of the upper end, the lower end and the free end of the outer door body is arranged in the auxiliary lock mechanism; the door frame is provided with latch holes at positions corresponding to the latches, and the front side and the back side of the outer door body are provided with handles.

Further, the auxiliary lock mechanism comprises a fixed rod, a transmission rod, a crank mechanism and a bolt; the upper end and the lower end of the fixed rod are fixedly connected with the inner door body, the crank mechanism is respectively connected with the bolt and the fixed rod in a rotating mode, one end of the transmission rod is inserted into the lock body, the other end of the transmission rod is connected with the bolt, and the transmission rod is connected with a rotating pair arranged in the crank mechanism in the middle in a rotating mode.

Furthermore, a safety device is arranged inside the lock body and comprises a box body, a safety bolt, a transmission gear and a knob; the safety plug and the transmission gear are arranged in the box body, a rack meshed with the transmission gear is arranged at the rear half section of the safety plug, the knob is arranged outside the box body, and the knob is connected with the transmission gear at the axis through a rotating shaft.

Furthermore, a safety bolt hole is formed in the door frame, a proximity switch is arranged in the safety bolt hole, and the proximity switch is used for detecting whether the safety bolt contacts with the bottom surface of the safety bolt hole or not.

Furthermore, an electromagnet is arranged in the bolt hole and used for adsorbing the bolt after the bolt extends out.

Furthermore, a grid-shaped reinforcing grid is arranged inside the inner door body, and the reinforcing grid is made of AF1410 high-strength alloy steel.

furthermore, the outer door body and the inner door body are both made of bridge-cut aluminum alloy, and aerogel felts are filled between the outer door body and the inner door body.

Further, a vibration sensor is arranged between the outer door body and the inner door body and used for detecting the vibration amplitude borne by the door body; the vibration sensor is arranged at the hinged position of the outer door body and the door frame and around the lock body, and the vibration sensor is electrically connected with an alarm bell.

Compared with the prior art, a bridge cut-off aluminum alloy multiple spot lock safety burglary-resisting door have following advantage:

(1) A bridge cut-off aluminum alloy multiple spot lock safety burglary-resisting door all be equipped with the bolt on the door body, in, down three sides, factor of safety is high, the door body divide into inside and outside two-layer, has reinforceed a body intensity.

(2) The utility model discloses an electro-magnet in the bolt hole has reinforceed the theftproof performance, even the lock core is opened by technical, but the electro-magnet still can closely adsorb the bolt.

(3) The utility model discloses the interior outer door body all adopts bridge cut-off aluminum alloy material to make, still is equipped with the aerogel felt between the interior outer door body, is showing the heat preservation characteristic who has strengthened the door body, has outstanding fire behavior simultaneously.

(4) the utility model discloses a pressure that the pressure sensor discernment door body bore can in time send out the police dispatch newspaper when meeting with violence nature unblanking.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

Fig. 1 is a schematic external structural view of the present invention;

fig. 2 is a front sectional schematic view of an embodiment of the present invention;

Fig. 3 is a schematic side sectional view of an embodiment of the present invention;

Fig. 4 is a schematic view of a secondary lock mechanism according to an embodiment of the present invention;

Fig. 5 is a schematic partial enlarged view of a safety device according to an embodiment of the present invention.

Description of reference numerals:

1-a door frame; 11-bolt hole; 12-an electromagnet; 13-safety bolt hole; 14-a proximity switch; 2-outer door body; 21-a handle; 22-a vibration sensor; 3-an inner door body; 31-a reinforcement grid; 4-a lock body; 5-a lock core; 6-a safety device; 61-a box body; 62-a drive gear; 63-safety bolts; 64-a knob; 71-a fixing rod; 72-a transmission rod; 73-crank mechanism; 74-latch.

Detailed Description

it should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

the anti-theft door is also called an anti-theft safety door, and has two characteristics of anti-theft and safety. The existing anti-theft door strengthens the anti-theft coefficient by improving the safety level of a lock cylinder, and improves the safety coefficient by strengthening the material of a door body. The embodiment provides a bridge cut-off aluminum alloy multiple spot lock safety burglary-resisting door, promotes the theftproof factor of safety in resident's house.

A bridge cut-off aluminum alloy multipoint lock safety anti-theft door comprises a door frame 1, an outer door body 2, an inner door body 3 and a door lock system. As shown in fig. 1 and 2, the door lock system is disposed inside the inner door body 3, the inner door body 3 is disposed inside the outer door body 2, the outer door body 2 is embedded in the door frame 1, one side of the outer door body 2 is hinged to the door frame 1, and the front and back sides of the outer door body 2 are both provided with handles 21.

the door lock system comprises a lock body 4 and an auxiliary lock mechanism, wherein a lock core 5 is arranged in the lock body 4, the lock core 5 is used for opening or closing the auxiliary lock mechanism, and a bolt 74 which can extend out of the upper end, the lower end and the free end of the outer door body 2 is arranged in the auxiliary lock mechanism; a latch hole 11 is provided in the doorframe 1 at a position corresponding to each latch 74.

it should be noted that the hinge connection between the outer door body 2 and the door frame 1 can be realized by a flip hinge.

It should be noted that the auxiliary lock mechanism refers to a lock of the security door except for the lock body directly connected to the lock core, and the latch of the auxiliary lock mechanism is usually distributed at the free end of the door body, so as to strengthen the locking effect of the door body. Generally, after a key is inserted into a lock cylinder and is correctly paired with the lock cylinder, a lock tongue inside the lock cylinder rotates along with the rotation of the key, and at this time, the lock tongue stirs a main lock body (i.e., a lock body 4 in this embodiment) to enable a latch inside the main lock body to move, and a latch inside an auxiliary lock mechanism moves along with the movement of the latch of the main lock body.

The following explains the effects of the above scheme:

According to the anti-theft door provided by the scheme, the door bolts 74 are arranged at the upper end, the lower end and the free end of the door body, the anti-theft coefficient is improved, the door body is divided into the inner door body 3 and the outer door body 2, and the safety coefficient of the door body is enhanced.

As a preferred embodiment of the present embodiment, the sub-lock mechanism includes a fixing lever 71, a transmission lever 72, a crank mechanism 73, and a latch 74. The mechanism components of the secondary lock mechanism can be more visually seen as shown in fig. 4.

The upper end and the lower end of the fixed rod 71 are fixedly connected with the inner door body 3, the crank mechanism 73 is respectively connected with the bolt 74 and the fixed rod 71 in a rotating mode, one end of the transmission rod 72 is inserted into the lock body 4, the other end of the transmission rod 72 is connected with the bolt 74, and the transmission rod 72 is connected with a rotating pair arranged in the crank mechanism 73 in the middle in a rotating mode.

It should be noted that when the lock cylinder 5 is rotated, the transmission rod 72 is vertically moved. As shown in fig. 4, the secondary lock mechanism is in the unlocked state, in which each latch 74 is retracted inside the outer door body 2. When the unlocking process is carried out, the lock core 5 rotates, the transmission rod 72 at the upper end moves upwards, the transmission rod 72 at the lower end moves downwards, and the fixed rod 71 cannot move and the bolt 74 can only move horizontally, so that when the transmission rod 72 moves, the crank mechanism 73 is changed into a straightening state due to the bending state, and the bolt 74 extends out of the outer door body 2 and is inserted into the bolt hole 11, so that the locking of the door body is realized.

As a preferred embodiment of the present embodiment, the lock body 4 is provided with a safety device 6 inside. Fig. 4 can illustrate the position of the safety device 6, and fig. 5 can illustrate the internal structure of the safety device 6.

The safety device 6 comprises a box body 61, a safety bolt 63, a transmission gear 62 and a knob 64; the safety plug 63 and the transmission gear 62 are both arranged in the box body 61, a rack meshed with the transmission gear 62 is arranged at the rear half section of the safety plug 63, the knob 64 is arranged outside the box body 61, and the knob 64 is connected with the transmission gear 62 at the axis through a rotating shaft.

The safety device 6 is used to further enhance the theft prevention performance of the security door from the inside of the resident. The safety catch 63 is driven to extend out of the box body 61 by adopting the gear and rack matching of the preferred mode, and a spring marble structure can also be adopted.

In a preferred embodiment of this embodiment, the door frame 1 is provided with a safety bolt hole 13, a proximity switch 14 is provided inside the safety bolt hole 13, and an electromagnet 12 is provided inside the latch hole 11, and the distribution manner and the distribution position thereof can be illustrated by fig. 2.

Wherein the proximity switch 14 is connected in series with the relay of the electromagnet 12.

The proximity switch 14 detects whether or not the safety catch 63 is in contact with the bottom surface of the safety catch hole 13, and when the safety catch 63 is in contact with the safety catch hole 13, the proximity switch 14 operates to charge a relay connected in series with the proximity switch 14, and the electromagnet 12 generates a magnetic force. The electromagnet 12 is used for absorbing the bolt 74 after the bolt 74 is extended, when the electromagnet 12 absorbs the bolt 74, even if the lock cylinder 5 is decoded through a technical means, the bolt 74 cannot be retracted, and the door can be opened only after the safety device 6 is opened from the indoor, so that the resistance of the anti-theft door to the technical opening means is enhanced.

Proximity switch 14 is illustratively an inductive proximity switch having a normally open state therein. When a conductive object approaches this proximity switch 14, the electromagnetic field inside the switch causes eddy currents to be generated inside the object. This eddy current reacts against the proximity switch 14 to change the internal circuit parameters of the switch, thereby identifying the presence or absence of a conductive object moving closer and controlling the on or off of the switch.

In a preferred embodiment of the present invention, the outer door body 2 and the inner door body 3 are both made of a bridge-cut aluminum alloy, the grid-shaped reinforcing grid 31 made of AF1410 high-strength alloy steel is arranged inside the inner door body 3, and aerogel felt is filled between the outer door body 2 and the inner door body 3.

The bridge-cut-off aluminum alloy is a novel heat-insulation aluminum profile formed by connecting an inner layer aluminum alloy and an outer layer aluminum alloy by PA66 nylon, and has a good heat-insulation effect; the AF1410 is low-carbon high-alloy steel with high toughness and ultrahigh strength, and the latticed reinforcing grid 31 made of the material can effectively strengthen the strength of the inner door body 3 and improve the anti-violence opening capability of the door body; the aerogel felt is a flexible heat-insulating felt which is formed by compounding nano silicon dioxide aerogel serving as a main body material and glass fiber cotton or a pre-oxidized fiber felt through a special process, has excellent heat-insulating performance, and can remarkably improve the heat-insulating performance of a door body by combining the aerogel felt and a bridge-cut-off aluminum alloy.

In a preferred embodiment of the present embodiment, a vibration sensor 22 is provided between the outer door 2 and the inner door 3, and an alarm bell is attached to the vibration sensor 22. The mounting position of the vibration sensor 22 can be illustrated by fig. 3.

It should be noted that the vibration sensor 22 can detect the vibration amplitude borne by the door body, when a lawless person violently opens the door body, the door shaft or the door lock is usually violently removed, the vibration sensor 22 arranged at the hinged position of the outer door body 2 and the door frame 1 and around the lock body 4 can detect the vibration amplitude, and when the vibration amplitude is too large, the vibration sensor 22 can give an alarm.

illustratively, the detecting component of the vibration sensor 22 is an inertial electric sensor, and when the surrounding environment vibrates, the marble inside cuts the magnetic induction lines by vibration to generate induced electromotive force, and the induced electromotive force generated when the amplitude of the vibration is larger. There is signal processing part (LM393 comparator) behind the detection part, when the magnitude of the induced electromotive force exceeds the default, the normally-open switch inside the vibration sensor 22 is closed, the alarm bell is connected and the alarm can be given.

It should be noted that, debugging is required before the installation of the vibration sensor 22, different induced electromotive forces are measured for vibrations of different amplitudes, a moderate amplitude is selected as a preset value, and when the amplitude exceeds the value, the detected induced electromotive force exceeds the preset value, that is, the normally-off switch is triggered to operate.

The following describes the effects of this embodiment with reference to all preferred embodiments:

The scheme provides a bridge-cut-off aluminum alloy multi-point lock safety anti-theft door which has a good heat preservation effect, and indoor and outdoor heat exchange is isolated to the greatest extent by using bridge-cut-off aluminum alloy materials and aerogel felts; in the embodiment, the safety device 6 is arranged inside the lock body 4, and when a resident is indoors, the safety bolt 62 can be extended out by rotating the knob 64, so that the anti-theft performance is further enhanced; a proximity switch 14 is arranged in the safety catch hole 13, when the safety catch 62 is contacted with the safety catch hole 13, the proximity switch 14 can start the electromagnet 12, and under the adsorption action of the electromagnet 12, the anti-theft door cannot be opened even if the lock cylinder 5 is technically opened; a vibration sensor 22 is arranged between the outer door body 2 and the inner door body 3, and can give an alarm in time when the door body is violently opened.

The vibration sensor described in the embodiment can be a water-star vibration sensor, the lock cylinder can be a Guanxing MT5 gear lock cylinder, and the proximity switch can be an OMCH-LJ12A 3-4-Z/BX. The composition and connection of the above-described devices are well known in the art and therefore not described in detail herein.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a bridge cut-off aluminum alloy multiple spot lock safety burglary-resisting door which characterized in that: comprises a door frame (1), an outer door body (2), an inner door body (3) and a door lock system;

The door lock system is arranged inside an inner door body (3), the inner door body (3) is arranged inside an outer door body (2), the outer door body (2) is embedded in the door frame (1), and one side of the outer door body (2) is hinged to the door frame (1);

The door lock system comprises a lock body (4) and an auxiliary lock mechanism, wherein a lock core (5) is arranged in the lock body (4), and a bolt (74) which can extend out from the upper end, the lower end and the free end of the outer door body (2) is arranged in the auxiliary lock mechanism; the door frame (1) is provided with latch holes (11) at positions corresponding to the latches (74), and the front and back surfaces of the outer door body (2) are provided with handles (21).

2. The bridge-cut-off aluminum alloy multipoint lock safety anti-theft door according to claim 1, characterized in that: the auxiliary lock mechanism comprises a fixed rod (71), a transmission rod (72), a crank mechanism (73) and a bolt (74);

The upper end and the lower end of the fixed rod (71) are fixedly connected with the inner door body (3), the crank mechanism (73) is respectively connected with the bolt (74) and the fixed rod (71) in a rotating mode, one end of the transmission rod (72) is inserted into the lock body (4), the other end of the transmission rod is connected with the bolt (74), and the transmission rod (72) is connected with a rotating pair arranged in the crank mechanism (73) in the middle in a rotating mode.

3. The bridge-cut-off aluminum alloy multipoint lock safety anti-theft door according to claim 2, characterized in that: a safety device (6) is arranged in the lock body (4), and the safety device (6) comprises a box body (61), a safety bolt (63), a transmission gear (62) and a knob (64);

the safety plug (63) and the transmission gear (62) are arranged in the box body (61), a rack meshed with the transmission gear (62) is arranged at the rear half section of the safety plug (63), and the knob (64) is arranged outside the box body (61) and connected with the transmission gear (62) through a rotating shaft at the axis.

4. The bridge-cut-off aluminum alloy multipoint lock safety anti-theft door according to claim 3, characterized in that: the safety catch is characterized in that a safety catch hole (13) is formed in the door frame (1), a proximity switch (14) is arranged in the safety catch hole (13), and the proximity switch (14) is used for detecting whether the safety catch (63) is in contact with the bottom surface of the safety catch hole (13).

5. The bridge-cut-off aluminum alloy multipoint lock safety anti-theft door according to claim 4, characterized in that: an electromagnet (12) is arranged in the bolt hole (11), and the electromagnet (12) is used for adsorbing the bolt (74) after the bolt extends out.

6. The bridge-cut-off aluminum alloy multipoint lock safety anti-theft door according to claim 1, characterized in that: a latticed reinforcing grid (31) is arranged inside the inner door body (3), and the reinforcing grid (31) is made of AF1410 high-strength alloy steel.

7. The bridge-cut-off aluminum alloy multipoint lock safety anti-theft door according to claim 1, characterized in that: the outer door body (2) and the inner door body (3) are both made of bridge-cut-off aluminum alloy, and aerogel felts are filled between the outer door body (2) and the inner door body (3).

8. the bridge-cut-off aluminum alloy multipoint lock safety anti-theft door according to claim 1, characterized in that: a vibration sensor (22) is arranged between the outer door body (2) and the inner door body (3), and the vibration sensor (22) is used for detecting the vibration amplitude borne by the door body;

the vibration sensor (22) is arranged at the hinged part of the outer door body (2) and the door frame (1) and around the lock body (4), and the vibration sensor (22) is electrically connected with an alarm bell.