Door magnetic sensor

Abstract

The utility model discloses a door magnetic sensor, including a transmitter body, a magnetic block and two support frames, wherein the transmitter body and the magnetic block are respectively arranged on one side of the two support frames, the transmitter body and the magnetic block are connected to the support frames through an adjustment component, the other side of the two support frames are provided with adhesive tape, both sides of the two support frames are provided with L-shaped plates for clamping the adhesive tape, and the adhesive tape is fixedly connected to the L-shaped plates, one side of the plurality of L-shaped plates are fixedly connected with two plug rods, one side of the adhesive tape is provided with a plurality of through holes, and the two support frames are provided with a plurality of slots connected to the through holes on one side close to the adhesive tape. The utility model can not only facilitate the disassembly and maintenance of the door magnetic sensor, improve the convenience of disassembly of the door magnetic sensor, but also make the connection between the L-shaped plate and the support frame more stable, and improve the stability of the installation of the door magnetic sensor.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a door magnetic sensor. Background Art

[0002] Door magnet is a safety alarm device consisting of a wireless transmitter and a permanent magnet. The door magnet sensor is used to monitor the switch status of the door.

[0003] After searching, the Chinese patent with the announcement number CN213690859U discloses a radio frequency door magnetic sensor, including a door panel, a door frame, a transmitter body, a magnetic block body, a cleaning structure, a slider, a mounting block, a second spring, a cleaning brush and a positioning structure, which ensures the cleaning effect and reduces the resistance when opening and closing the door. However, there are still the following defects: it is inconvenient to disassemble, which makes the sensor inconvenient to disassemble and repair. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a door magnetic sensor.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A door magnetic sensor comprises a transmitter body, a magnetic block and two support frames, wherein the transmitter body and the magnetic block are respectively arranged on one side of the two support frames, and the transmitter body and the magnetic block are connected to the support frames through an adjustment component, and tape is provided on the other side of the two support frames, and L-shaped plates for clamping the tape are provided on both sides of the two support frames, and the tape is fixedly connected to the L-shaped plates, and two plug rods are fixedly connected to one side of multiple L-shaped plates, and multiple through holes are provided on one side of the tape, and multiple slots connected to the through holes are provided on the side of the two support frames close to the tape, and the multiple plug rods are respectively inserted into the slots through the multiple through holes, and clamping components for locking the L-shaped plates are provided on both sides of the two support frames.

[0007] As a further solution of the utility model, the locking assembly includes multiple connecting plates, and the multiple connecting plates are respectively fixedly connected to both sides of the support frame, and one side of the multiple connecting plates is provided with a avoidance groove, and one side of the multiple L-shaped plates is provided with a dovetail groove, a slider is slidably connected in the dovetail groove, and the slider passes through the avoidance groove, and a protrusion is fixedly connected to the bottom of the slider, so that the connecting plate can resist the protrusion.

[0008] As a further solution of the utility model, a plurality of the connecting plates are evenly and symmetrically distributed on both sides of the support frame.

[0009] As a further solution of the utility model, the adjustment assembly includes two fixed plates, and the two fixed plates are respectively fixedly connected to the side of the transmitter body and the magnetic block in the opposite direction, and the two support frames are rotatably connected to the side away from the tape with threaded rods, and the two threaded rods respectively pass through the two fixed plates and are threadedly connected to the two fixed plates, and the two support frames are provided with a guide component on the side away from the tape to enable the fixed plate to move horizontally.

[0010] As a further solution of the utility model, the guide component is two guide rods, the two guide rods are fixedly connected to a side of the support frame away from the tape, and the two guide rods pass through a fixing plate.

[0011] As a further solution of the utility model, the threaded rod is located between two guide rods.

[0012] As a further solution of the utility model, a convex plate for making the tape protrude is integrally formed on one side of the two support frames close to the tape.

[0013] As a further solution of the utility model, one end of each of the plurality of insertion rods is provided with an oblique opening.

[0014] The beneficial effects of the utility model are:

[0015] 1. Through the setting of the L-shaped plate, the tape is installed on the support frame through the L-shaped plate, and then the support frame is glued to the door through the tape to install it. When it needs to be disassembled, just separate the L-shaped plate from the support frame, and the support frame can be disassembled, thereby facilitating the disassembly and maintenance of the door magnetic sensor and improving the convenience of disassembly of the door magnetic sensor.

[0016] 2. Through the setting of the locking assembly, the locking assembly can lock and fix the L-shaped plate and the support frame, so that the connection between the L-shaped plate and the support frame can be more stable, thereby improving the stability of the door magnetic sensor installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front three-dimensional structure of the door magnetic sensor proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the enlarged structure of part A of the door magnetic sensor proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the rear three-dimensional structure of the door magnetic sensor proposed by the utility model;

[0020] Figure 4 The figure is a schematic diagram of the cross-sectional structure of the L-shaped plate of the door magnetic sensor proposed by the utility model.

[0021] In the figure: 1. L-shaped plate; 2. support frame; 3. fixing plate; 4. threaded rod; 5. guide rod; 6. transmitter body; 7. magnetic block; 8. dovetail groove; 9. connecting plate; 10. avoidance groove; 11. slider; 12. protrusion; 13. adhesive tape; 14. protruding plate; 15. plug rod; 16. through hole; 17. slot; 18. oblique mouth. DETAILED DESCRIPTION

[0022] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, so that the embodiments of the application described here, based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0023] Reference Figure 1-Figure 4 The door magnetic sensor comprises a transmitter body 6, a magnetic block 7 and two support frames 2. The transmitter body 6 and the magnetic block 7 are respectively arranged on one side of the two support frames 2. The transmitter body 6 and the magnetic block 7 are connected to the support frames 2 through an adjustment component. The other side of the two support frames 2 is provided with a tape 13. Both sides of the two support frames 2 are provided with an L-shaped plate 1 for clamping the tape 13, and the tape 13 is bonded to the L-shaped plate 1. The two support frames 2 are respectively bonded to the door frame and the door through the tape 13 for installation. Two plug rods 15 are welded on one side of the multiple L-shaped plates 1. A plurality of through holes 15 are provided on one side of the tape 13. Hole 16, a plurality of slots 17 connected to the through hole 16 are provided on one side of the two support frames 2 close to the tape 13, and a plurality of insertion rods 15 are respectively inserted into the slots 17 through the plurality of through holes 16. By inserting the insertion rods 15 into the slots 17, the connection between the support frame 2 and the L-shaped plate 1 can be positioned, and both sides of the two support frames 2 are provided with a snap-fitting assembly for locking the L-shaped plate 1, so that the snap-fitting assembly no longer locks the L-shaped plate 1 and the support frame 2. At this time, the support frame 2 can be pulled to move, and the transmitter body 6 and the magnetic block 7 can be removed, so as to facilitate the disassembly and maintenance of the door magnetic sensor.

[0024] In the utility model, the clamping assembly includes a plurality of connecting plates 9, and the plurality of connecting plates 9 are respectively welded on both sides of the support frame 2, and a plurality of connecting plates 9 are provided with avoidance grooves 10 on one side, and a plurality of L-shaped plates 1 are provided with dovetail grooves 8 on one side, and a slider 11 is slidably connected in the dovetail groove 8, and the slider 11 passes through the avoidance groove 10, and a protrusion 12 is welded at the bottom of the slider 11, so that the connecting plate 9 resists the protrusion 12, and the plurality of connecting plates 9 are evenly and symmetrically distributed on both sides of the support frame 2, and the slider 11 is pulled to move upward along the dovetail groove 8, and the slider 11 will drive the protrusion 12 to move upward, and when the protrusion 12 moves upward to pass through the avoidance groove 10, the support frame 2 can be pulled to move, and the support frame 2 will drive the connecting plate 9 to move, so that the slider 11 and the protrusion 12 pass through the avoidance groove 10;

[0025] The adjustment component includes two fixed plates 3, and the two fixed plates 3 are respectively bonded to the side of the launcher body 6 and the magnetic block 7 in the opposite direction. The two support frames 2 are rotatably connected to the side away from the tape 13 with a threaded rod 4. The two threaded rods 4 pass through the two fixed plates 3 and are threadedly connected to the two fixed plates 3 respectively. The two support frames 2 are provided with a guide component that enables the fixed plates 3 to move horizontally on the side away from the tape 13. The guide components are two guide rods 5. The two guide rods 5 are welded to the side of the support frame 2 away from the tape 13. The two guide rods 5 pass through the fixed plate 3. The threaded rod 4 is located between the two guide rods 5. The threaded rod 4 is rotated. The rod 4 will drive the fixing plate 3 to move horizontally along the guide rod 5 through the threaded engagement with the fixing plate 3, and the fixing plate 3 will drive the transmitter body 6 or the magnetic block 7 connected thereto to move, thereby adjusting the position of the transmitter body 6 and the magnetic block 7, and aligning the transmitter body 6 and the magnetic block 7, so that they can be installed on door frames and doors of different thicknesses. The two support frames 2 are integrally formed with a convex plate 14 on one side close to the tape 13 to raise the tape 13. The convex plate 14 can increase the contact area between the tape 13 and the door or door frame. One end of each of the multiple insertion rods 15 is provided with an oblique opening 18, which facilitates the insertion of the insertion rods 15.

[0026] Working principle: when disassembly is required, pull the slider 11 to move upward along the dovetail groove 8, the slider 11 will drive the protrusion 12 to move upward, when the protrusion 12 moves upward to pass through the avoidance groove 10, the support frame 2 can be pulled to move, the support frame 2 will drive the connecting plate 9 to move, so that the slider 11 and the protrusion 12 pass through the avoidance groove 10, so that the support frame 2 is separated from the L-shaped plate 1, and the transmitter body 6 and the magnetic block 7 are removed at this time, which is convenient for disassembly and maintenance of the door magnetic sensor, and improves the convenience of disassembly of the door magnetic sensor. When the door magnetic sensor is in use, the threaded rod 4 can be rotated, and the threaded rod 4 will drive the fixing plate 3 to move horizontally along the guide rod 5 through the threaded engagement between the threaded rod 4 and the fixing plate 3, and the fixing plate 3 will drive the transmitter body 6 or the magnetic block 7 connected thereto to move, so as to adjust the position of the transmitter body 6 and the magnetic block 7, so that the transmitter body 6 and the magnetic block 7 are aligned, so that it can be installed on door frames and doors of different thicknesses.

[0027] The present invention has been described through the above-mentioned embodiments. Those skilled in the art will appreciate that the present invention is not limited to the above-mentioned embodiments, and more modifications may be made according to the teachings of the present invention. These modifications are all within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A door magnetic sensor, comprising a transmitter body (6), a magnetic block (7) and two support frames (2), characterized in that: The transmitter body (6) and the magnetic block (7) are respectively arranged on one side of the two support frames (2); the transmitter body (6) and the magnetic block (7) are connected to the support frames (2) through an adjustment component; adhesive tape (13) is provided on the other side of the two support frames (2); L-shaped plates (1) for clamping the adhesive tape (13) are provided on both sides of the two support frames (2); and the adhesive tape (13) is fixedly connected to the L-shaped plates (1); two insertion rods (15) are fixedly connected to one side of the plurality of L-shaped plates (1); a plurality of through holes (16) are provided on one side of the adhesive tape (13); a plurality of slots (17) connected to the through holes (16) are provided on one side of the two support frames (2) close to the adhesive tape (13); the plurality of insertion rods (15) respectively pass through the plurality of through holes (16) and are inserted into the slots (17); and a clamping component for locking the L-shaped plates (1) is provided on both sides of the two support frames (2).

2. The door magnetic sensor according to claim 1, characterized in that: The clamping assembly comprises a plurality of connecting plates (9), the plurality of connecting plates (9) are respectively fixedly connected to two sides of the support frame (2), one side of the plurality of connecting plates (9) is provided with a avoidance groove (10), one side of the plurality of L-shaped plates (1) is provided with a dovetail groove (8), a slider (11) is slidably connected in the dovetail groove (8), and the slider (11) passes through the avoidance groove (10), and a protrusion (12) is fixedly connected to the bottom of the slider (11), so that the connecting plate (9) resists the protrusion (12).

3. The door magnetic sensor according to claim 2, characterized in that: The plurality of connecting plates (9) are evenly and symmetrically distributed on both sides of the support frame (2).

4. The door magnetic sensor according to claim 1, characterized in that: The adjustment assembly comprises two fixing plates (3), the two fixing plates (3) are respectively fixedly connected to the side of the transmitter body (6) and the magnetic block (7) in opposite directions, the two supporting frames (2) are rotatably connected to the sides away from the adhesive tape (13) with threaded rods (4), the two threaded rods (4) respectively pass through the two fixing plates (3) and are threadedly connected to the two fixing plates (3), and the two supporting frames (2) are respectively provided with guide components for enabling the fixing plates (3) to move horizontally on the sides away from the adhesive tape (13).

5. The door magnetic sensor according to claim 4, characterized in that: The guide components are two guide rods (5), and the two guide rods (5) are fixedly connected to a side of the support frame (2) away from the adhesive tape (13), and the two guide rods (5) pass through the fixing plate (3).

6. The door magnetic sensor according to claim 5, characterized in that: The threaded rod (4) is located between the two guide rods (5).

7. The door magnetic sensor according to claim 1, characterized in that: A convex plate (14) for making the adhesive tape (13) convex is integrally formed on one side of the two support frames (2) close to the adhesive tape (13).

8. The door magnetic sensor according to claim 1, characterized in that: One end of each of the plurality of insertion rods (15) is provided with an oblique opening (18).

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