Anti-disassembly mechanism of alarm device

Abstract

The utility model discloses an anti-dismounting mechanism of an alarm device, and belongs to the technical field of alarm devices. Comprising a wall body and an alarm device body. Comprising a mounting base with a protruding lower portion arranged in a wall, a sleeve shell arranged on the outer side of the mounting base in a sleeving mode is arranged above an alarm device body, telescopic rods are arranged on the inner wall of the sleeve shell, a first magnet enabling the telescopic rods to extend is arranged in the middle of the lower portion of the mounting base, and a plurality of holes allowing the telescopic rods to be inserted are formed in the position, located on the outer side of the first magnet, of the mounting base. The telescopic rod is controlled to be shortened through a second magnet with magnetism larger than that of the first magnet. By arranging the mounting seat, the sleeve shell, the magnet I and the telescopic rod which are mounted in the wall body, bolts are not needed when the device is mounted, so that the problem that the alarm device body cannot be fixed due to screw slipping is avoided, and meanwhile, some illegal personnel cannot dismount the device due to the fact that the bolts are not used.

Description

Technical Field

[0001] The utility model provides an anti-disassembly mechanism for an alarm device, belonging to the technical field of alarm devices. Background Art

[0002] An alarm device is a device system used to detect and respond to specific dangers, abnormalities or illegal intrusions. It senses, identifies and triggers alarm signals to promptly remind relevant personnel or systems to take countermeasures. Alarm devices are widely used in residential, commercial buildings, industrial facilities, transportation, public places and security protection fields.

[0003] Currently, alarm devices are all installed using bolts. However, if the alarm device is damaged and needs to be repaired or replaced, the bolts need to be removed. Repeated removal of the bolts can easily lead to thread slippage, causing the bolts to lose their original fixing function. In addition, the heads of the bolts are exposed, so some illegal personnel can easily remove the alarm device using a screwdriver, rendering the alarm device ineffective. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing alarm device is easily disassembled for many times, which may cause the bolts to be thread-slipped, and illegal personnel can easily disassemble the alarm device.

[0005] In order to solve the above problems, the utility model proposes a technical solution: an alarm device anti-disassembly mechanism, comprising a wall body and an alarm device body; a mounting seat with a protruding lower portion is provided in the wall body, a sleeve shell is provided above the alarm device body and is sleeved on the outer side of the mounting seat, telescopic rods are provided on the inner walls of the sleeve shell, a magnet 1 is provided in the middle of the lower part of the mounting seat to extend the telescopic rod, a hole is provided on the outer side of the magnet 1 for inserting a plurality of telescopic rods, and the telescopic rods are controlled to shorten by a magnet 2 whose magnetism is greater than that of the magnet 1;

[0006] As an improvement, the mounting seat includes a mounting plate, a guide column is provided below the mounting plate, and a fixing column is provided in the middle of the guide column;

[0007] As an improvement, the cross section of the guide column is triangular, and the lower part of the outer wall is inclined toward the fixed column and the upper part is vertical, and the guide column is arranged at the four corners relative to the inner wall of the casing;

[0008] As an improvement, the hole is arranged on the lower side wall of the fixing column;

[0009] As an improvement, the four corners of the inner wall of the casing are respectively fitted with the upper parts of the four guide pillars, and the lower part is located outside the alarm device body and is provided with a protective net;

[0010] As an improvement, the telescopic rod includes a sleeve fixedly arranged on the inner wall of the sleeve shell, an inner rod slidably arranged in the sleeve, the inner rod is made of magnetic material, and the diameter of the inner rod is smaller than the diameter of the hole.

[0011] Beneficial effects of the utility model:

[0012] By arranging a mounting base, a housing, a magnet and a telescopic rod installed in the wall, the device does not need to use bolts during installation, thereby avoiding the problem of the alarm device body being unable to be fixed due to thread slippage. At the same time, because no bolts are used, some illegal personnel cannot dismantle the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a structural schematic diagram of an anti-disassembly mechanism of an alarm device.

[0014] Figure 2 This is a schematic diagram of a mounting base of an anti-disassembly mechanism of an alarm device according to the utility model being installed on a wall.

[0015] Figure 3 The utility model is a schematic diagram of a mounting base of an anti-disassembly mechanism of an alarm device.

[0016] Figure 4 The utility model is a schematic diagram of the internal structure of a casing of an anti-disassembly mechanism of an alarm device.

[0017] Figure 5 It is a cross-sectional view of a mounting seat of an anti-disassembly mechanism of an alarm device according to the utility model.

[0018] 1. Wall; 2. Alarm device body; 3. Mounting seat; 301. Mounting plate; 302. Guide column; 303. Fixed column; 4. Housing; 401. Protective net; 5. Telescopic rod; 501. Casing; 502. Inner rod; 6. Magnet 1; 7. Hole. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings.

[0020] according to Figure 1 —5: The utility model provides an anti-disassembly mechanism for an alarm device: comprising a wall 1 and an alarm device body 2; comprising a mounting seat 3 with a protruding lower portion provided in the wall 1, a casing 4 which is sleeved on the outer side of the mounting seat 3 provided above the alarm device body 2, telescopic rods 5 respectively provided on the inner wall of the casing 4, a magnet 6 which is provided in the middle of the lower part of the mounting seat 3 to extend the telescopic rod 5, a hole 7 for inserting a plurality of telescopic rods 5 is provided on the outer side of the magnet 6 of the mounting seat 3, and the telescopic rod 5 is controlled to shorten by a magnet 2 which has a greater magnetic property than the magnet 1 6; by arranging the mounting seat 3, casing 4, magnet 1 6 and telescopic rod 5 installed in the wall 1, bolts are not required when installing the device, thereby avoiding the problem that the alarm device body 2 cannot be fixed due to thread slippage, and at the same time, since illegal personnel will not carry magnets with them, the device cannot be disassembled;

[0021] The mounting seat 3 includes a mounting plate 301, a guide column 302 is provided below the mounting plate 301, a fixing column 303 is provided in the middle of the guide column 302 of the mounting plate 301, the guide column 302 has a triangular cross section, and the lower part of the outer wall is inclined toward the fixing column 303, and the upper part is vertical, the guide column 302 is arranged at the four corners relative to the inner wall of the casing 4, and the hole 7 is arranged on the lower side wall of the fixing column 303; the lower part of the outer wall of the guide column 302 is inclined toward the fixing column 303, which can play a certain guiding role on the casing 4, facilitate the installation of the casing 4, and facilitate the insertion of the telescopic rod 5 into the hole 7;

[0022] The four corners of the inner wall of the casing 4 are respectively attached to the upper parts of the four guide pillars 302, and the lower part is located outside the alarm device body 2 and is provided with a protective net 401; the protective net 402 can protect the alarm device body 2.

[0023] Among them, the telescopic rod 5 includes a sleeve 501 fixedly set on the inner wall of the casing 4, and an inner rod 502 slidably set in the sleeve 501. The inner rod 502 is made of magnetic material, and the diameter of the inner rod 502 is smaller than the diameter of the hole 7. In this way, when the casing 4 is installed, the magnet 1 6 will attract the inner rod 502, so that one end of the inner rod 502 is inserted into the hole 7. When disassembly is required, the magnet 2 is used to attract the inner rod 502, so that the inner rod 502 is out of the magnetic range of the magnet 1 6, so that the casing 4 can be directly removed.

[0024] The principle of the utility model: when in use, first cast the mounting seat 3 into the wall 1, so that the lower part of the mounting seat 3 protrudes from the wall 1, then manually control the length of the telescopic rod 5, so that the ends of the plurality of inner rods 502 are close to the fixed column 302, then the four corners of the inner wall of the casing 4 are respectively attached to the guide column 302 and the casing 4 is slowly lifted up, when the end of the inner rod 502 is close to the magnet 6, the magnet 6 will attract the inner rod 502, so that the end of the inner rod 502 is inserted into the hole 7, and the device is installed;

[0025] When the device needs to be disassembled, magnet 2 with a magnetism greater than magnet 1 6 is placed close to the outer wall of the casing 4 close to the telescopic rod 5. Magnet 2 will attract the inner rod 502, causing the inner rod 502 to escape from the magnetic range of magnet 1 6, so that the casing 4 can be removed.

[0026] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. An anti-disassembly mechanism for an alarm device, comprising a wall (1) and an alarm device body (2); characterized in that: The invention comprises a mounting seat (3) with a protruding lower portion provided in the wall (1), a casing (4) which is sleeved on the outer side of the mounting seat (3) provided above the alarm device body (2), telescopic rods (5) respectively provided on the inner wall of the casing (4), a magnet (6) for extending the telescopic rods (5) provided in the middle of the lower part of the mounting seat (3), a hole (7) for inserting a plurality of telescopic rods (5) provided on the outer side of the magnet (6) of the mounting seat (3), and the telescopic rods (5) are controlled to shorten by a magnet (2) which has a greater magnetic property than the magnet (6).

2. The anti-disassembly mechanism of an alarm device according to claim 1, characterized in that: The mounting seat (3) comprises a mounting plate (301), a guide column (302) is provided below the mounting plate (301), and a fixing column (303) is provided in the middle of the guide column (302) on the mounting plate (301).

3. The anti-disassembly mechanism of an alarm device according to claim 2, characterized in that: The guide column (302) has a triangular cross section, and the lower portion of the outer wall is inclined toward the fixed column (303) and the upper portion is vertical. The guide column (302) is arranged at four corners relative to the inner wall of the casing (4).

4. The anti-disassembly mechanism of an alarm device according to claim 2, characterized in that: The hole (7) is arranged on the lower side wall of the fixing column (303).

5. The anti-disassembly mechanism of an alarm device according to claim 2, characterized in that: The four corners of the inner wall of the casing (4) are respectively fitted with the upper parts of the four guide pillars (302), and the lower part is located outside the alarm device body (2) and is provided with a protective net (401).

6. The anti-disassembly mechanism of an alarm device according to claim 1, characterized in that: The telescopic rod (5) comprises a sleeve (501) fixedly arranged on the inner wall of the sleeve shell (4), and an inner rod (502) slidably arranged in the sleeve (501); the inner rod (502) is made of a magnetic material, and the diameter of the inner rod (502) is smaller than the diameter of the hole (7).

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