CN214042572U

CN214042572U - Anti-dismantling alarm device

Info

Publication number: CN214042572U
Application number: CN202023114122.3U
Authority: CN
Inventors: 郭五洲; 李想; 唐邱永
Original assignee: Hefei Yunxi Communication Technology Co ltd
Current assignee: Hefei Yunxi Communication Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-24
Anticipated expiration: 2030-12-22

Abstract

The utility model relates to the technical field of security protection equipment, in particular to a tamper alarm device, which comprises a tamper part and a fixing part which are fixed by screws, wherein two sides of the joint of the fixing part and the tamper part are provided with accommodating cavities for placing a wire with a second contact at the tail end, and the other end of the wire is connected with an alarm device A; the fixing part bottom surface is equipped with circuit board and mount, and outside alarm device B is connected to the circuit board, and its top is equipped with limit switch, fixed connection spring on the mount, the movable block is connected to the spring other end, and the movable block passes through the mounting panel below and connects the push rod, and the push rod end-to-end connection is equipped with the conducting strip of taking first contact in the movable block, and first contact is located the surface of movable block and is located same vertical line with the second contact, and the upper surface of movable block is equipped with the recess with screw assorted. The utility model discloses in case equipment begins just can be timely when being dismantled to report to the police, improved the functional and the practicality of device.

Description

Anti-dismantling alarm device

Technical Field

The utility model relates to a security protection equipment technical field, concretely relates to prevent tearing open alarm device.

Background

The anti-theft alarm is an alarm instrument for preventing crimes and timely discovering criminal activities by utilizing modern scientific and technical means, is various, and can be divided into a switch alarm, a sound alarm, an induction alarm, an infrared alarm, a laser alarm and the like in the working principle. The anti-theft alarm system is an important facility for preventing accidents such as robbery, theft and the like, and the anti-theft alarm has already played an obvious role along with the enhancement of crime technology prevention work.

The anti-disassembly alarm in the existing market has single function, usually gives an alarm based on the fact that the device is disassembled, the anti-disassembly effect is poor, remedial measures at the moment often cannot recover the fact that the equipment is disassembled, damage and loss are caused, irrecoverable consequences are caused sometimes, even danger is caused, and potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model aims at strengthening the functionality of preventing tearing open alarm device, provide one kind when the equipment begins just can in time report to the police when being dismantled prevent tearing open alarm device. In order to realize the purpose of the utility model, the following technical scheme is adopted:

an anti-dismantling alarm device comprises

The anti-disassembly part is provided with a first through hole, the lower surface of the anti-disassembly part is provided with a limiting block, a second through hole is arranged on the limiting block, the position of the second through hole corresponds to that of the first through hole, internal threads are arranged in the first through hole and the second through hole and used for penetrating through a fixing screw, the screw is composed of a nut and a screw rod, the outer surface of the screw rod is provided with external threads, and the external threads are matched with the internal threads; and

the fixing piece is of a hollow structure with an opening at one end, the opening of the fixing piece is matched with the limiting block, the opening of the fixing piece is fixed on the anti-dismounting part, two sides of the joint of the fixing piece and the anti-dismounting part are provided with communicated accommodating cavities, a wire is placed in the accommodating cavities, the tail end of the wire, which is positioned in the fixing piece, is provided with a second contact, and the other end of the wire is connected with the alarm device A; the bottom surface of the inside of the fixed part is provided with a circuit board and at least two fixed frames, the circuit board is connected with an external alarm device B, the upper surface of the circuit board is provided with a limit switch, the upper surface of the fixed frame is fixedly connected with a spring, the other end of the spring is connected with a moving block, the lower surface of the moving block is provided with an installation plate, a push rod is fixedly connected below the installation plate, the tail end of the push rod is connected with a pressing block, and the pressing block and the limit switch are positioned on the same vertical line; a conducting strip is arranged in the moving block, first contacts are arranged at two ends of the conducting strip and are positioned on the surface of the moving block, and the first contacts and the second contacts are positioned on the same vertical line; the upper surface of the moving block is provided with a groove, and the groove is matched with the screw.

Preferably, the fixing member is one of a rectangular parallelepiped and a cylinder.

Preferably, the shape of the moving block is the same as that of the fixed block, and the moving block is slightly smaller than the fixed block.

Preferably, the circuit board is disposed at the center of the bottom surface of the fixing member.

Preferably, the fixing frames are arranged at two positions and are respectively arranged at two sides of the circuit board.

Preferably, the push rod is extending structure, can adjust the length of push rod when changing the spring to the spring that adapts to different specifications continues work, has prolonged the life of device, and improves its practicality.

Preferably, the buffer layer is arranged on the inner surface of the groove, so that the damage of the screw to the groove after multiple times of use can be prevented.

Preferably, the material of the buffer layer is one of sponge, foam or rubber.

Preferably, the length of the screw is not less than 5 cm, and the screw with a certain length can prolong the time for dismounting the device so as to give enough time for workers to perform emergency treatment.

Preferably, fixing lugs are arranged above two sides of the fixing piece and used for fixing the fixing piece on the lower surface of the anti-dismounting part.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with the anti-dismantling component and the fixing part which are fixed by the screws, the limit switch and the pressing block which are butted and connected are arranged in the fixing part, and the first contact on the separated conducting strip and the second contact on the conducting strip are arranged, when the dismantling is started, the limit switch and the pressing block are separated, the first alarm is started, and the staff can prevent the further dismantling of the equipment or quickly catch up to the on-site checking condition according to the actual condition; when dismantling and accomplishing, send the alarm for the second time, show that this equipment has been dismantled completely to the staff in time carries out corresponding processing, can save process time, finds out the operator in violation of rules and regulations sooner, plays better alarm effect, has strengthened the functional of preventing tearing open alarm device, and overall structure is simple, and production is convenient, has practical value.

Drawings

Fig. 1 is a schematic view of the locking state of the tamper alarm device according to the present invention;

fig. 2 is a schematic view of the loosening state of the tamper alarm device according to the present invention;

FIG. 3 is a schematic view of the interior of the fixing member of the present invention;

fig. 4 is a schematic front view of the screw of the present invention;

the anti-disassembly device comprises a 1-anti-disassembly part, a 2-fixing part, a 3-limit switch, a 4-fixing frame, a 5-spring, a 6-moving block, a 7-first contact, an 8-mounting plate, a 9-push rod, a 10-pressing block, a 11-groove, a 12-limiting block, a 13-first through hole, a 14-second through hole, a 15-screw, a 16-accommodating cavity, a 17-lead, a 18-second contact, a 19-buffer layer, a 20-conducting plate, a 21-fixing lug, a 22-nut, a 23-screw and a 24-circuit board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Detailed description of the preferred embodiment 1

Fig. 1 is the utility model relates to a prevent tearing open alarm device lock state's main structure schematic diagram is looked to combine fig. 2 to fig. 4, from which can find out, the utility model discloses a prevent tearing open alarm device, including preventing tearing open part 1, its center is equipped with first through-hole 13, is equipped with stopper 12 at the lower surface of preventing tearing open part 1, is equipped with second through-hole 14 on the stopper 12, and second through-hole 14 is corresponding with the position of first through-hole 13, still is equipped with the internal thread in first through-hole 13 and second through-hole 14 for run through fixed screw 15 that comprises nut 22 and screw rod 23, this screw rod 23's length is 6 centimetres, its screw rod 23 surface be equipped with internal thread assorted external screw thread, through threaded connection, can the time that the extension means demolishd.

The fixing part 2 is of a cuboid structure, the fixing part 2 is of a hollow structure with one open end, the open end of the fixing part 2 is matched with the limiting block 12, fixing lugs 21 are arranged on two sides of the open end of the fixing part 2, the fixing part 2 is fixed on the lower surface of the anti-dismounting part 1 through the fixing lugs 21, two communicated accommodating cavities 16 are arranged on two sides of the joint of the fixing part 2 and the anti-dismounting part 1 and used for accommodating a lead 17, a second contact 8 is arranged at the tail end of the lead 17 in the fixing part 2, and the other end of the lead 17 is connected with an alarm device; the bottom surface in the fixed part 2 is provided with a circuit board 24 and two fixed frames 4, the circuit board 24 is arranged in the center of the bottom surface of the fixed part 2, an external alarm device B is arranged on the circuit board 24, the upper surface of the circuit board 24 is provided with a limit switch 3, the fixed frames 4 are respectively arranged on two sides of the circuit board 24, the upper surface of the fixed frames 4 is fixedly connected with a spring 5, the other end of the spring 5 is connected with a moving block 6, the moving block 6 is of a cuboid structure and is slightly smaller than the fixed part 2, the lower surface of the moving block 6 is provided with a mounting plate 8, the other end of the mounting plate 8 is fixedly connected with a telescopic push rod 9, the tail end of the push rod 9 is connected with a pressing block 10, and the pressing block 10 and the limit switch 3 are positioned on the same vertical line; a conducting strip 20 is arranged in the moving block 6, two ends of the conducting strip 20 are provided with first contacts 7, and the first contacts 7 are positioned on the surface of the moving block 6 and are positioned on the same vertical line with the second contacts 18; the upper surface of the moving block 6 is provided with a groove 11 matched with the tail end of the screw 15, the inner surface of the groove 11 is provided with a buffer layer 19, and in the embodiment, the buffer material of the buffer layer 19 is sponge.

Specific example 2

Fig. 1 is the utility model relates to a prevent tearing open alarm device lock state's main view structure schematic diagram, can see from it, the utility model discloses a prevent tearing open alarm device, including preventing tearing open part 1, its center is equipped with first through-hole 13, is equipped with stopper 12 at the lower surface of preventing tearing open part 1, is equipped with second through-hole 14 on stopper 12, and second through-hole 14 is corresponding with first through-hole 13's position, still is equipped with the internal thread in first through-hole 13 and second through-hole 14 for run through fixed screw 15 that constitutes by nut 22 and screw rod 23, this screw rod 23's length is 10 centimetres, its screw rod 23 surface be equipped with internal thread assorted external screw thread, through threaded connection, can the time that the extension means demolishd.

The fixing part 2 is of a cylindrical structure, the fixing part 2 is of a hollow structure with an opening at one end, the opening of the fixing part 2 is matched with the limiting block 12, fixing lugs 21 are arranged on two sides of the opening end of the fixing part 2, the fixing part 2 is fixed on the lower surface of the anti-dismounting part 1 through the fixing lugs 21, two communicated accommodating cavities 16 are arranged on two sides of the joint of the fixing part 2 and the anti-dismounting part 1 and used for accommodating a lead 17, a second contact 8 is arranged at the tail end of the lead 17, which is positioned in the fixing part 2, and the other end of the lead 17 is connected with an alarm device; a circuit board 24 and four fixing frames 4 (not shown in the figure) are arranged on the bottom surface in the fixing part 2, the circuit board 24 is arranged in the center of the bottom surface of the fixing part 2, an external alarm device B is arranged on the circuit board 24, limit switches 3 are arranged on the upper surface of the circuit board 24, the fixing frames 4 are uniformly distributed on the bottom surface of the fixing part 2 in a circumferential manner, the upper surface of the fixing frame 4 is fixedly connected with a spring 5, the other end of the spring 5 is connected with a moving block 6, the moving block 6 is of a cylindrical structure, the diameter of the moving block is slightly smaller than that of the fixing part 2, a mounting plate 8 is arranged on the lower surface of the moving block 6, the other end of the mounting plate 8 is fixedly connected with a telescopic push rod 9, the tail end of the push rod 9 is connected with a pressing block 10, and the pressing block 10 and the limit switches 3 are positioned on the same vertical line; a conducting strip 20 is arranged in the moving block 6, two ends of the conducting strip 20 are provided with first contacts 7, and the first contacts 7 are positioned on the surface of the moving block 6 and are positioned on the same vertical line with the second contacts 18; the upper surface of the moving block 6 is provided with a groove 11 matched with the tail end of the screw 15, the inner surface of the groove 11 is provided with a buffer layer 19, and in the embodiment, the buffer material of the buffer layer 19 is foam.

Specific example 3

Fig. 1 is the utility model relates to a prevent tearing open alarm device lock state's main view structure schematic diagram, can see from it, the utility model discloses a prevent tearing open alarm device, including preventing tearing open part 1, its center is equipped with first through-hole 13, is equipped with stopper 12 at the lower surface of preventing tearing open part 1, is equipped with second through-hole 14 on stopper 12, and second through-hole 14 is corresponding with first through-hole 13's position, still is equipped with the internal thread in first through-hole 13 and second through-hole 14 for run through fixed screw 15 that constitutes by nut 22 and screw rod 23, this screw rod 23's length is 8 centimetres, its screw rod 23 surface be equipped with internal thread assorted external screw thread, through threaded connection, can the time that the extension means demolishd.

The fixing part 2 is of a cylindrical structure, the fixing part 2 is of a hollow structure with an opening at one end, the opening of the fixing part 2 is matched with the limiting block 12, fixing lugs 21 are arranged on two sides of the opening end of the fixing part 2, the fixing part 2 is fixed on the lower surface of the anti-dismounting part 1 through the fixing lugs 21, two communicated accommodating cavities 16 are arranged on two sides of the joint of the fixing part 2 and the anti-dismounting part 1 and used for accommodating a lead 17, a second contact 8 is arranged at the tail end of the lead 17, which is positioned in the fixing part 2, and the other end of the lead 17 is connected with an alarm device; a circuit board 24 and four fixing frames 4 (not shown in the figure) are arranged on the bottom surface in the fixing part 2, the circuit board 24 is arranged in the center of the bottom surface of the fixing part 2, an external alarm device B is arranged on the circuit board 24, limit switches 3 are arranged on the upper surface of the circuit board 24, the fixing frames 4 are uniformly distributed on the bottom surface of the fixing part 2 in a circumferential manner, the upper surface of the fixing frame 4 is fixedly connected with a spring 5, the other end of the spring 5 is connected with a moving block 6, the moving block 6 is of a cylindrical structure, the diameter of the moving block is slightly smaller than that of the fixing part 2, a mounting plate 8 is arranged on the lower surface of the moving block 6, the other end of the mounting plate 8 is fixedly connected with a telescopic push rod 9, the tail end of the push rod 9 is connected with a pressing block 10, and the pressing block 10 and the limit switches 3 are positioned on the same vertical line; a conducting strip 20 is arranged in the moving block 6, two ends of the conducting strip 20 are provided with first contacts 7, and the first contacts 7 are positioned on the surface of the moving block 6 and are positioned on the same vertical line with the second contacts 18; the upper surface of the moving block 6 is provided with a groove 11 matched with the tail end of the screw 15, the inner surface of the groove 11 is provided with a buffer layer 19, and in the embodiment, the buffer material of the buffer layer 19 is rubber.

When the utility model is in a locking state, the pressing block in the fixing piece is connected with the limit switch in a butting way, the circuit in the alarm device B connected with the circuit board is disconnected, and the moving block acts on the spring through the action of the screw, so that the spring is compressed, the first contact of the conducting strip is separated from the second contact on the wire at the moment, and the circuit in the alarm device A is also disconnected; when the disassembly is started, due to the outward movement of the screw, under the action of the deformation recovery force of the spring, the push rod at the lower end of the moving block drives the pressing block to leave the limit switch, at the moment, a circuit in the alarm device B is switched on, a first alarm is given out, and a worker can limit the further disassembly of the equipment or quickly drive the equipment to the site to check the condition according to the actual condition; along with the disassembly (because the screw has a certain length, the whole disassembly process can be continued for a period of time, which is beneficial for the staff to rescue in time), the spring gradually recovers to the original shape, the moving block moves to the highest point at the moment, the first contact of the conducting strip is contacted with the second contact on the conducting wire at the moment, the external alarm device A is switched on, and the second alarm is given out to indicate that the equipment is completely disassembled, so that the staff can timely perform corresponding treatment. In the whole process, once the equipment is detached, the anti-detachment alarm device can give an alarm in time, so that the functionality is improved.

From the above embodiments of the present invention, the utility model has the advantages that the anti-dismantling component and the fixing component are fixed by screws, the limit switch and the press block which are contacted and connected are arranged in the fixing component, and the first contact on the separated conducting sheet and the second contact on the conducting wire are arranged, when the dismantling is started, the limit switch and the press block are separated, the first alarm is started, and the worker can prevent the further dismantling of the equipment or quickly catch up to the site to check the situation according to the actual situation; when dismantling and accomplishing, send the alarm for the second time, show that this equipment has been dismantled completely to the staff in time carries out corresponding processing, can save process time, finds out the operator in violation of rules and regulations sooner, plays better alarm effect, has strengthened the functional of preventing tearing open alarm device, and overall structure is simple, and production is convenient, has practical value.

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 understand the changes or substitutions within the technical scope of the present invention, and the protection scope of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a prevent tearing open alarm device which characterized in that: comprises that

The anti-disassembly part (1) is provided with a first through hole (13), the lower surface of the anti-disassembly part (1) is provided with a limiting block (12), the limiting block (12) is provided with a second through hole (14), the second through hole (14) corresponds to the first through hole (13), internal threads are arranged in the first through hole (13) and the second through hole (14) and are used for penetrating through a fixing screw (15), the screw (15) is composed of a nut (22) and a screw rod (23), the outer surface of the screw rod (23) is provided with external threads, and the external threads are matched with the internal threads; and

the fixing piece (2) is of a hollow structure with an opening at one end, the opening of the fixing piece (2) is matched with the limiting block (12), the opening of the fixing piece (2) is fixed on the anti-dismantling component (1), two sides of the joint of the fixing piece (2) and the anti-dismantling component (1) are provided with communicated accommodating cavities (16), a lead (17) is placed in each accommodating cavity (16), the tail end of the lead (17) in the fixing piece (2) is provided with a second contact (18), and the other end of the lead (17) is connected with an alarm device A; a circuit board (24) and at least two fixing frames (4) are arranged on the bottom surface inside the fixing piece (2), the circuit board (24) is connected with an external alarm device B, a limit switch (3) is arranged on the upper surface of the circuit board (24), a spring (5) is fixedly connected to the upper surface of each fixing frame (4), the other end of the spring (5) is connected with a moving block (6), an installation plate (8) is arranged on the lower surface of the moving block (6), a push rod (9) is fixedly connected to the lower portion of the installation plate (8), the tail end of the push rod (9) is connected with a pressing block (10), and the pressing block (10) and the limit switch (3) are located on the same vertical line; a conducting strip (20) is arranged in the moving block (6), first contacts (7) are arranged at two ends of the conducting strip (20), the first contacts (7) are located on the surface of the moving block (6), and the first contacts (7) and the second contacts (18) are located on the same vertical line; the upper surface of the moving block (6) is provided with a groove (11), and the groove (11) is matched with the screw (15).

2. A tamper-evident alarm device as claimed in claim 1, wherein: the fixing piece (2) is one of a cuboid or a cylinder.

3. A tamper-evident alarm device as claimed in claim 1 or 2, wherein: the shape of the moving block (6) is the same as that of the fixed part (2), and the moving block (6) is slightly smaller than the fixed part (2).

4. A tamper-evident alarm device as claimed in claim 1, wherein: the circuit board (24) is arranged in the center of the bottom surface of the fixing piece (2).

5. The tamper evidence alarm device of claim 4 wherein: the fixing frames (4) are arranged at two positions, and the fixing frames (4) are respectively arranged at two sides of the circuit board (24).

6. A tamper-evident alarm device as claimed in claim 1, wherein: the push rod (9) is of a telescopic structure.

7. A tamper-evident alarm device as claimed in claim 1, wherein: the inner surface of the groove (11) is provided with a buffer layer (19).

8. A tamper-evident alarm device as claimed in claim 7, wherein: the buffer layer (19) is made of one of sponge, foam or rubber.

9. A tamper-evident alarm device as claimed in claim 1, wherein: the length of the screw (23) is not less than 5 cm.

10. A tamper-evident alarm device as claimed in claim 1, wherein: and fixing lugs (21) are arranged above two sides of the fixing piece (2) and used for fixing the fixing piece (2) on the lower surface of the anti-dismantling component (1).