Magnetic snap capable of detecting closing state and giving alarm

Abstract

The invention belongs to the technical field of magnetic snap closing, and particularly relates to a magnetic snap capable of detecting a closing state and giving an alarm, the magnetic snap comprises a briefcase assembly and a first magnetic snap assembly, the first magnetic snap assembly is installed at the front end in the briefcase assembly, and a second magnetic snap device is installed at the front end of the surface of the briefcase assembly; the rear end of the second magnetic snap device is in contact with the front end of the first magnetic snap assembly, and the second magnetic snap device is used for detecting the closed state of the first magnetic snap assembly and the second magnetic snap device and giving an alarm after the first magnetic snap assembly and the second magnetic snap device are opened. The first magnetic buckle assembly and the second magnetic buckle device do not give an alarm when in a closed state, and give an alarm when in an open state, so as to remind that the briefcase is opened.

Description

Technical Field

[0001] The invention relates to the technical field of magnetic buckle closure, and in particular to a magnetic buckle capable of detecting a closing state and giving an alarm. Background Art

[0002] Magnetic buckle generally refers to magnetic buckle, which is a device that uses magnetic principle to realize connection, fixation or closing function.

[0003] Existing magnetic buckles are used in some occasions with extremely high security requirements, such as briefcases for storing high-value items. If the magnetic buckle opens accidentally, the high-value items in the briefcase may fall out, thereby causing great losses.

[0004] To this end, we propose a magnetic buckle that can detect the closed state and alarm. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A magnetic buckle capable of detecting a closed state and giving an alarm, comprising: a briefcase component and a first magnetic buckle component;

[0007] The first magnetic buckle assembly is installed at the inner front end of the briefcase assembly, and the second magnetic buckle device is installed at the surface front end of the briefcase assembly. The rear end of the second magnetic buckle device contacts the front end of the first magnetic buckle assembly. The second magnetic buckle device is used to detect the closed state of the first magnetic buckle assembly and the second magnetic buckle device, and alarm after opening.

[0008] As a preferred solution of the magnetic buckle capable of detecting the closed state and giving an alarm according to the present invention, the briefcase assembly comprises: a briefcase body and a cover cloth;

[0009] A cover cloth is arranged at the upper end of the briefcase body, and the lower side of the inner wall at the rear end of the cover cloth is rotatably connected to the rear end of the outer wall of the briefcase body.

[0010] As a preferred solution of the magnetic buckle capable of detecting a closed state and giving an alarm according to the present invention, the first magnetic buckle assembly comprises: a first magnetic buckle;

[0011] The rear end of the first magnetic buckle is detachably mounted with an iron sheet, which penetrates the front end outer wall of the briefcase body. The first magnetic buckle is mounted on the front end of the outer wall of the briefcase body through the iron sheet, and a magnetic groove is provided at the front end center of the first magnetic buckle.

[0012] As a preferred solution of the magnetic buckle capable of detecting the closed state and giving an alarm according to the present invention, the second magnetic buckle device comprises: a magnetic attraction component and a sensing component;

[0013] The magnetic component is arranged on the lower side of the inner wall at the front end of the cover cloth, and the induction component is arranged on the lower side of the outer wall at the front end of the cover cloth. The magnetic component and the induction component are connected by mounting bolts, and the mounting bolts penetrate the cover cloth. The rear end of the induction component is provided with a detection and alarm component.

[0014] As a preferred solution of the magnetic buckle capable of detecting the closed state and giving an alarm according to the present invention, the magnetic attraction component comprises: a second magnetic buckle;

[0015] The rear end of the second magnetic buckle is magnetically connected to the inside of the magnetic groove, a through groove is arranged around the rear end of the outer wall of the second magnetic buckle, a placement groove is arranged at the center of the front end of the second magnetic buckle, and a sliding groove is arranged around the inner wall of the placement groove.

[0016] As a preferred solution of the magnetic buckle capable of detecting the closed state and giving an alarm according to the present invention, the magnetic attraction component comprises: a slider;

[0017] The slider is slidably connected to the inside of the slide groove, the front end of the slider is connected to the pressing spring, the front end of the pressing spring is connected to the inner wall of the slide groove, the inside of the through groove is slidably connected to the movable arc block, the outer wall of the movable arc block is provided with inclined surfaces around, the outer wall of the movable arc block is magnetically connected to the inner wall of the magnetic groove, and the front end of the movable arc block contacts the rear end inclined surface of the slider.

[0018] As a preferred solution of the magnetic buckle capable of detecting the closed state and giving an alarm according to the present invention, the sensing component comprises: a mounting plate;

[0019] The mounting plate is arranged on the lower side of the front end of the outer wall of the cover cloth, the outer wall of the mounting plate is provided with a convex ring, the convex ring and the second magnetic buckle are installed at the front end of the cover cloth through mounting bolts, and a mounting groove is provided inside the mounting plate.

[0020] As a preferred solution of the magnetic buckle capable of detecting the closed state and giving an alarm according to the present invention, the sensing component comprises: a pressure sensor;

[0021] The pressure sensor is installed at the inner front end of the installation groove, the input end of the pressure sensor is connected to the sensitive element, the rear port of the sensitive element contacts the front end of the slider, the outer wall of the sensitive element is slidably connected to the baffle, and the baffle is detachably installed at the front end of the inner wall of the placement groove.

[0022] As a preferred solution of the magnetic buckle capable of detecting the closed state and giving an alarm according to the present invention, the detection and alarm component comprises: a sealing plate;

[0023] The sealing plate is installed at the front end of the outer wall of the mounting plate, and the rear end of the sealing plate can be removably installed on the shell. The main control board is installed at the inner rear end of the shell, and the buzzer is installed at the inner front end of the shell. A power switch is provided at the left end of the outer wall of the shell. The power switch is connected to the power supply of the main control board, and the main control board is connected to the pressure sensor and the buzzer.

[0024] As a preferred solution of the magnetic buckle capable of detecting the closed state and giving an alarm according to the present invention, the main control board includes: a power supply, a voltage divider resistor R1, a voltage divider resistor R2, a voltage divider resistor R3, a voltage divider resistor R4, a comparator chip U1, a transistor Q1 and a resistor R5;

[0025] The power supply, voltage-dividing resistor R1, voltage-dividing resistor R2, voltage-dividing resistor R3, voltage-dividing resistor R4, comparator chip U1, transistor Q1 and resistor R5 are all installed on the surface of the main control board. The power supply is electrically connected to the voltage-dividing resistor R1, the pressure sensor and the voltage-dividing resistor R2. The power supply is connected to the voltage-dividing resistor R3, the comparator chip U1, the pressure sensor and the voltage-dividing resistor R4. The power supply is connected to the resistor R5, the buzzer and the transistor Q1.

[0026] Compared with existing technologies:

[0027] Through the cooperation between the first magnetic buckle assembly and the second magnetic buckle device, the first magnetic buckle assembly and the second magnetic buckle device can be detected in the closed state, so that the first magnetic buckle assembly and the second magnetic buckle device will not alarm when they are in the closed state, and the first magnetic buckle assembly and the second magnetic buckle device will alarm when they are in the open state, thereby reminding that the briefcase has been opened. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A schematic diagram of the overall main structure provided by the present invention;

[0029] Figure 2 A schematic diagram of the expanded structure of the briefcase assembly provided by the present invention;

[0030] Figure 3 A left-side structural schematic diagram of the connection between the first magnetic buckle assembly and the second magnetic buckle device provided by the present invention;

[0031] Figure 4 A schematic diagram of the rear structure of the first magnetic buckle assembly provided by the present invention;

[0032] Figure 5 A schematic diagram of the disassembled structure of the second magnetic buckle device provided by the present invention;

[0033] Figure 6 A schematic diagram of the disassembly structure of the magnetic suction component provided by the present invention;

[0034] Figure 7 This is a schematic diagram of the front structural view of the second magnetic buckle provided by the present invention;

[0035] Figure 8 A schematic diagram of the connection structure between the slider and the movable arc block provided by the present invention;

[0036] Fig. 9A schematic diagram of the split structure of the slider and the movable arc block provided by the present invention;

[0037] Fig.10 A schematic diagram of the split structure of the sensing component and the detection and alarm component provided by the present invention;

[0038] Fig.11 A schematic diagram of the rear view structure of the sensing component provided by the present invention;

[0039] Fig.12 A schematic diagram of the main structure of the sensing component provided by the present invention;

[0040] Fig.13 A schematic diagram of the disassembly structure of the detection and alarm components provided by the present invention;

[0041] Fig.14 This is a connection diagram of the detection circuit provided by the present invention.

[0042] In the figure:

[0043] Briefcase assembly 1, briefcase body 11, cover cloth 12, first magnetic buckle assembly 2, first magnetic buckle 21, magnetic groove 22, iron sheet 23, second magnetic buckle device 3, magnetic attraction assembly 31, second magnetic buckle 311, through groove 312, placement groove 313, slide groove 314, slider 315, pressing spring 316, movable arc block 317, induction assembly 32, mounting plate 321, convex ring 322, mounting groove 323, pressure sensor 324, sensitive element 325, baffle 326, mounting bolt 33, detection and alarm assembly 34, sealing plate 341, shell 342, main control board 343, buzzer 344, power switch 345. DETAILED DESCRIPTION

[0044] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0045] The present invention provides a magnetic buckle that can detect the closed state and alarm, please refer to Figure 1-Figure 14 , comprising a briefcase component 1, a first magnetic buckle component 2 and a second magnetic buckle device 3;

[0046] The briefcase assembly 1 includes: a briefcase body 11 and a cover cloth 12. The interior of the briefcase body 11 is used to place items. The upper end of the briefcase body 11 is provided with a cover cloth 12. The lower side of the inner wall at the rear end of the cover cloth 12 is rotatably connected to the rear end of the outer wall of the briefcase body 11. The cover cloth 12 is used to block the top of the briefcase body 11.

[0047] The first magnetic buckle assembly 2 is installed at the inner front end of the briefcase assembly 1, and the first magnetic buckle assembly 2 includes: a first magnetic buckle 21, a magnetic groove 22 and an iron sheet 23. The first magnetic buckle 21 is installed at the front end of the outer wall of the briefcase body 11 through the iron sheet 23. The magnetic groove 22 is provided at the front end center of the first magnetic buckle 21, and the iron sheet 23 is detachably installed at the rear end of the first magnetic buckle 21, and the iron sheet 23 passes through the front end outer wall of the briefcase body 11.

[0048] The second magnetic buckle device 3 is installed on the front end of the surface of the briefcase component 1, and the rear end of the second magnetic buckle device 3 contacts the front end of the first magnetic buckle component 2. The second magnetic buckle device 3 is used to detect the closed state of the first magnetic buckle component 2 and the second magnetic buckle device 3, and alarm after opening. The second magnetic buckle device 3 includes: a magnetic suction component 31, a second magnetic buckle 311, a through groove 312, a placement groove 313, a slide groove 314, a slider 315, a pressing spring 316, an active arc block 317, a sensing component 32, a mounting plate 321, a convex ring 322, a mounting groove 323, a pressure sensor 324, a sensitive element 325, a baffle 326, a mounting bolt 33, a detection and alarm component 34, a sealing plate 341, a shell 342, a main control board 343, a buzzer 344 and a power switch 345.

[0049] The magnetic attraction component 31 is arranged on the lower side of the inner wall of the front end of the cover cloth 12, the rear end of the second magnetic buckle 311 is magnetically connected to the inside of the magnetic groove 22, the outer wall of the second magnetic buckle 311 is provided with a through groove 312 around the rear end, the front end center of the second magnetic buckle 311 is provided with a placement groove 313, the inner wall of the placement groove 313 is provided with a slide groove 314 around, the slider 315 is slidably connected to the inside of the slide groove 314, the front end of the slider 315 is connected to the pressing spring 316, the front end of the pressing spring 316 is connected to the inner wall of the slide groove 314, the inside of the through groove 312 is slidably connected to the movable arc block 317, the outer wall of the movable arc block 317 is provided with inclined surfaces around, the outer wall of the movable arc block 317 is magnetically connected to the inner wall of the magnetic groove 22, the front end of the movable arc block 317 is connected to the inner wall of the magnetic groove 22, and the outer wall of the movable arc block 317 is connected to the inner wall of the magnetic groove 22. The rear end inclined surface of the slider 315 is in contact, and the telescopic movement of the movable arc block 317 can drive the slider 315 to slide. Under the limitation of the pressing spring 316, the slider 315 and the movable arc block 317 can quickly return to the initial position. The sensing component 32 is arranged on the lower side of the front end outer wall of the cover cloth 12, and the magnetic suction component 31 and the sensing component 32 are connected by the mounting bolts 33. The mounting plate 321 is arranged on the lower side of the front end of the outer wall of the cover cloth 12, and the outer wall of the mounting plate 321 is provided with a convex ring 322. The convex ring 322 and the second magnetic buckle 311 are installed at the front end of the cover cloth 12 by the mounting bolts 33. The interior of the mounting plate 321 is provided with a mounting groove 323, and the pressure sensor 324 is installed at the inner front end of the mounting groove 323. The input end of the force sensor 324 is connected to the sensitive element 325, and the rear port of the sensitive element 325 is in contact with the front end of the slider 315. By sliding the slider 315 toward the front end, the sensitive element 325 can detect the movement of the slider 315, thereby detecting and determining the closed state of the first magnetic buckle 21 and the second magnetic buckle 311, wherein the rear end of the sensitive element 325 is set as a telescopic rod, and the rear end is the sensitive element body. The outer wall of the sensitive element 325 is slidably connected to the baffle 326, and the baffle 326 can be detachably installed at the front end of the inner wall of the placement groove 313, and the slider 315 can be blocked by the baffle 326, and the mounting bolt 33 passes through the cover cloth 12, and the rear end of the sensing component 32 is provided with a detection and alarm component 3 4. The sealing plate 341 is installed on the front end of the outer wall of the mounting plate 321. The rear end of the sealing plate 341 can be detachably installed on the shell 342. The main control board 343 is installed on the rear end of the shell 342. The buzzer 344 is installed on the front end of the shell 342. A power switch 345 is provided on the left end of the outer wall of the shell 342. The power switch 345 is connected to the power supply of the main control board 343. The power switch 345 can be used to control the opening and closing of the power supply. The main control board 343 is connected to the pressure sensor 324 and the buzzer 344. The main control board 343 can detect the signal transmitted by the pressure sensor 324, and control the buzzer 344 to sound an alarm after detecting that the first magnetic buckle 21 and the second magnetic buckle 311 are in the open state.The power supply, the voltage-dividing resistor R1, the voltage-dividing resistor R2, the voltage-dividing resistor R3, the voltage-dividing resistor R4, the comparator chip U1, the transistor Q1 and the resistor R5 are all mounted on the surface of the main control board 343.

[0050] according to Fig.14 As shown: the power supply is electrically connected to the voltage-dividing resistor R1, the pressure sensor 324 and the voltage-dividing resistor R2, the power supply is connected to the voltage-dividing resistor R3, the comparator chip U1, the pressure sensor 324 and the voltage-dividing resistor R4, the power supply is connected to the resistor R5, the buzzer 344 and the transistor Q1, wherein B is the buzzer, and P is the pressure sensor. When the pressure sensor is in a closed state and is subjected to pressure, it will output a pressure-related voltage signal. This voltage signal is divided by the voltage-dividing circuit composed of the voltage-dividing resistor R1 and the voltage-dividing resistor R2, and then sent to the positive input terminal of the comparator U1. At the same time, the voltage-dividing circuit composed of the voltage-dividing resistor R3 and the voltage-dividing resistor R4 sets a reference voltage for the negative input terminal of the comparator. If the divided voltage output by the pressure sensor is lower than the reference voltage, the comparator outputs a high level to U1. At this time, the transistor Q1 is turned on, and the buzzer B It makes a sound when powered on, and when there is pressure data, the divided voltage output by the pressure sensor is higher than the reference voltage, the comparator U1 outputs a low level, the transistor Q1 is cut off, the buzzer B is not powered on, and does not make a sound, so as to judge whether it is in an abnormal situation where there is no pressure data, and achieve the purpose of alarming when there is no pressure data.

[0051] During specific use, a person skilled in the art will flip the cover cloth 12 over and cover it, and then insert the rear end of the second magnetic buckle 311 into the front end magnetic groove 22 of the first magnetic buckle 21 to connect them by magnetic attraction. At this time, the power switch 345 is turned on to turn on the power of the main control board 343. When the portable briefcase component 1 is in motion, the rear end of the second magnetic buckle 311 moves with the magnetic groove 22. When the second magnetic buckle 311 and the magnetic groove 22 are in a closed state, the movable arc block 317 presses against the slider 315, so that the slider 315 presses against the pressure sensor 32. 4, the pressure sensor 324 transmits the signal to the comparator chip U1, the comparator chip U1 outputs a low level, the transistor Q1 is turned off, the buzzer B is not powered and does not make a sound. When the second magnetic buckle 311 and the magnetic slot 22 are in an open state, the movable arc block 317 slides out, causing the slider 315 to move toward the rear end. At this time, the sensitive element 325 of the pressure sensor 324 cannot receive the pressure value, and the comparator chip U1 outputs a high level. At this time, the transistor Q1 is turned on, and the buzzer B is powered and makes a sound.

[0052] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced by equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A magnetic buckle capable of detecting a closed state and giving an alarm, comprising: The briefcase component (1) and the first magnetic buckle component (2) are characterized by: The first magnetic buckle assembly (2) is mounted on the front end of the interior of the briefcase assembly (1); the second magnetic buckle device (3) is mounted on the front end of the surface of the briefcase assembly (1); the rear end of the second magnetic buckle device (3) contacts the front end of the first magnetic buckle assembly (2); the second magnetic buckle device (3) is used to detect the closed state of the first magnetic buckle assembly (2) and the second magnetic buckle device (3), and to sound an alarm when they are opened.

2. A magnetic buckle capable of detecting a closed state and giving an alarm according to claim 1, characterized in that: The briefcase assembly (1) comprises: a briefcase body (11) and a cover cloth (12); A cover cloth (12) is provided at the upper end of the briefcase body (11), and the lower side of the inner wall at the rear end of the cover cloth (12) is rotatably connected to the rear end of the outer wall of the briefcase body (11).

3. A magnetic buckle capable of detecting a closed state and giving an alarm according to claim 2, characterized in that: The first magnetic buckle assembly (2) comprises: a first magnetic buckle (21); An iron sheet (23) is detachably mounted on the rear end of the first magnetic buckle (21), the iron sheet (23) penetrates the front end outer wall of the briefcase body (11), the first magnetic buckle (21) is mounted on the front end of the outer wall of the briefcase body (11) through the iron sheet (23), and a magnetic groove (22) is provided at the center of the front end of the first magnetic buckle (21).

4. A magnetic buckle capable of detecting a closed state and giving an alarm according to claim 3, characterized in that: The second magnetic buckle device (3) comprises: a magnetic attraction component (31) and an induction component (32); The magnetic attraction component (31) is arranged on the lower side of the front inner wall of the cover cloth (12), and the sensing component (32) is arranged on the lower side of the front outer wall of the cover cloth (12). The magnetic attraction component (31) and the sensing component (32) are connected by a mounting bolt (33), and the mounting bolt (33) passes through the cover cloth (12). The rear end of the sensing component (32) is provided with a detection and alarm component (34).

5. A magnetic buckle capable of detecting a closed state and giving an alarm according to claim 4, characterized in that: The magnetic attraction component (31) comprises: a second magnetic buckle (311); The rear end of the second magnetic buckle (311) is magnetically connected to the inside of the magnetic groove (22); a through groove (312) is provided around the rear end of the outer wall of the second magnetic buckle (311); a placement groove (313) is provided at the center of the front end of the second magnetic buckle (311); and a sliding groove (314) is provided around the inner wall of the placement groove (313).

6. A magnetic buckle capable of detecting a closed state and giving an alarm according to claim 5, characterized in that: The magnetic attraction component (31) comprises: a slider (315); The slider (315) is slidably connected to the inside of the slide groove (314); the front end of the slider (315) is connected to the pressing spring (316); the front end of the pressing spring (316) is connected to the inner wall of the slide groove (314); the inside of the through groove (312) is slidably connected to the movable arc block (317); the outer wall of the movable arc block (317) is provided with inclined surfaces around it; the outer wall of the movable arc block (317) is magnetically connected to the inner wall of the magnetic groove (22); and the front end of the movable arc block (317) contacts the rear end inclined surface of the slider (315).

7. A magnetic buckle capable of detecting a closed state and giving an alarm according to claim 6, characterized in that: The sensing component (32) comprises: a mounting plate (321); The mounting plate (321) is arranged at the lower side of the front end of the outer wall of the cover cloth (12); the outer wall of the mounting plate (321) is provided with a convex ring (322); the convex ring (322) and the second magnetic buckle (311) are installed at the front end of the cover cloth (12) via mounting bolts (33); and a mounting groove (323) is provided inside the mounting plate (321).

8. A magnetic buckle capable of detecting a closed state and giving an alarm according to claim 7, characterized in that: The sensing component (32) includes: a pressure sensor (324); The pressure sensor (324) is installed at the inner front end of the installation groove (323), the input end of the pressure sensor (324) is connected to the sensitive element (325), the rear port of the sensitive element (325) contacts the front end of the slider (315), the outer wall of the sensitive element (325) is slidably connected to the baffle (326), and the baffle (326) is detachably installed at the inner wall front end of the placement groove (313).

9. A magnetic buckle capable of detecting a closed state and giving an alarm according to claim 8, characterized in that: The detection and alarm component (34) comprises: a sealing plate (341); The sealing plate (341) is mounted on the front end of the outer wall of the mounting plate (321); the rear end of the sealing plate (341) is detachably mounted on a housing (342); a main control board (343) is mounted on the rear end of the housing (342); a buzzer (344) is mounted on the front end of the housing (342); a power switch (345) is provided on the left end of the outer wall of the housing (342); the power switch (345) is connected to the power supply of the main control board (343); and the main control board (343) is connected to the pressure sensor (324) and the buzzer (344).

10. A magnetic buckle capable of detecting a closed state and giving an alarm according to claim 9, characterized in that: The main control board (343) comprises: a power supply, a voltage-dividing resistor R1, a voltage-dividing resistor R2, a voltage-dividing resistor R3, a voltage-dividing resistor R4, a comparator chip U1, a transistor Q1 and a resistor R5; The power supply, the voltage-dividing resistor R1, the voltage-dividing resistor R2, the voltage-dividing resistor R3, the voltage-dividing resistor R4, the comparator chip U1, the transistor Q1 and the resistor R5 are all mounted on the surface of the main control board (343); the power supply is electrically connected to the voltage-dividing resistor R1, the pressure sensor (324) and the voltage-dividing resistor R2; the power supply is connected to the voltage-dividing resistor R3, the comparator chip U1, the pressure sensor (324) and the voltage-dividing resistor R4; and the power supply is connected to the resistor R5, the buzzer (344) and the transistor Q1.

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