Circuit alarm device

Abstract

The utility model discloses a circuit alarm device which comprises an upper shell and a lower shell, the upper shell and the lower shell are matched in specification and size, connecting ports are formed in the side walls of one ends of the upper shell and the lower shell, a guide rod is arranged in an inner cavity of one side, close to the connecting ports, of the upper shell, and a group of positioning rings are arranged on the outer side of the guide rod. An adjusting mechanism for adjusting the positions of the positioning rings and the guide rod is arranged between the positioning rings and the guide rod, a sound amplification hole is formed in the side wall of the upper shell, and a cleaning plate for cleaning the sound amplification hole is rotationally connected to the inner side of the sound amplification hole. The multiple positioning rings can guide and extend the connecting wires in different wire harnesses to the two sides respectively, so that the connecting wires are connected with the electronic elements on the two sides, the tidiness of the connecting wires on the inner side is guaranteed, disordered winding of the connecting wires in the using process is avoided, and a user can conveniently overhaul and maintain the connecting wires in the follow-up process.

Description

Technical Field

[0001] The utility model relates to the technical field related to circuit alarms, and in particular to a circuit alarm device. Background Art

[0002] Sound and light alarms are widely used in various fields. The current sound and light alarms have no protective structure when installed and are directly exposed to the external environment, which makes the alarm vulnerable to damage by impact from objects. In the prior art, the alarm is installed in a protective shell to prevent the alarm from being directly exposed to the external environment, thereby preventing the alarm from being vulnerable to damage by impact from objects; multiple electronic components with different functions are usually arranged on the inside of the alarm, and then the connecting wires are collected into a harness and connected to external devices, but the inner cavity of the alarm lacks a structure to guide the connecting wires. When in use, multiple connecting wires extend in a disorderly manner in the inner cavity of the alarm, which may become entangled and affect subsequent inspection and maintenance.

[0003] To this end, we propose a circuit alarm device to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a circuit alarm device.

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

[0006] A circuit alarm device comprises an upper shell and a lower shell, wherein the upper shell and the lower shell have matching sizes, and a connecting port is provided on the side wall at one end of the upper shell and the lower shell, a guide rod is provided in the inner cavity on one side of the upper shell close to the connecting port, a group of positioning rings are provided on the outer side of the guide rod, and an adjustment mechanism for adjusting the position of the positioning rings and the guide rod is provided between the group of positioning rings and the guide rod, a sound expansion hole is provided on the side wall of the upper shell, and a cleaning plate for cleaning the sound expansion hole is rotatably connected to the inner side of the sound expansion hole.

[0007] Preferably, the upper shell and the lower shell are snap-connected, and a connecting pin is provided between the two to connect and fix the two.

[0008] Preferably, a sealing gasket is provided on the outside of the connection port.

[0009] Preferably, a sleeve ring is connected to one end of the positioning ring close to the guide rod, and the sleeve ring is sleeved on the outside of the guide rod, and the positioning ring matches the position of the connecting port.

[0010] Preferably, the adjustment mechanism includes a threaded section arranged on the side wall of the guide rod, an adjusting nut is threadedly arranged on the outer side of the threaded section, the adjusting nut is fitted with the side wall of the ring, a return spring is sleeved on the outer side of the guide rod, and both ends of the return spring are respectively connected to the side wall of the ring and the inner wall of the upper shell.

[0011] Preferably, the lower end surface of the cleaning plate is covered with a brush, and the brush is in contact with the sound expansion hole.

[0012] Preferably, a driving motor is arranged in the inner cavity of the upper shell, a transmission wheel is connected to the power output end of the driving motor and the rotating shaft of the cleaning plate, and a transmission belt is sleeved on the outer side of the transmission wheel.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] When the utility model is in use, it can be connected to an external device through the provided connection port, and after the wiring harness enters the inner cavity of the alarm, a plurality of positioning rings can guide and extend the connecting wires in different wiring harnesses to both sides respectively, so that the connecting wires are connected to the electronic components on both sides, thereby ensuring the neatness of the inner connecting wires and avoiding messy entanglement between the connecting wires during use, so as to facilitate the user's subsequent inspection and maintenance. At the same time, the driving motor, transmission wheel and transmission belt cooperate to drive the cleaning plate to rotate, and use a brush to clean the sound expansion hole to remove possible impurities, avoid their entry into the inner cavity of the device and cause influence, and prevent them from clogging the sound expansion hole and affecting the use effect of the alarm. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model when it is opened;

[0017] Figure 3 This is a schematic diagram of the upper shell and its inner cavity structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the positioning ring and its auxiliary structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the cleaning plate and its accessory structure of the utility model.

[0020] In the figure: 1-upper shell, 101-connecting pin, 2-lower shell, 3-connecting port, 4-guide rod, 5-positioning ring, 501-collar, 6-adjusting mechanism, 601-threaded section, 602-adjusting nut, 603-reset spring, 7-sound expansion hole, 8-cleaning plate, 801-brush, 802-drive motor, 803-transmission wheel, 804-transmission belt. DETAILED DESCRIPTION

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0022] In the description of the present invention, "plurality" means two or more than two, unless otherwise clearly and specifically defined.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-5 A circuit alarm device comprises an upper shell 1 and a lower shell 2. The upper shell 1 and the lower shell 2 have matching sizes. The upper shell 1 and the lower shell 2 are snap-connected. An elastic snap-fitting part is provided at the connection between the two to facilitate the connection, installation or disassembly of the two. A connecting pin 101 is provided between the two to connect and fix the two. A connecting port 3 is provided on the side wall at one end of the upper shell 1 and the lower shell 2. The connecting wire harness is connected to an external device through the connecting port 3. A sealing gasket is provided on the outside of the connecting port 3.

[0026] A guide rod 4 is provided in the inner cavity on one side of the upper shell body 1 close to the connecting port 3, and a group of positioning rings 5 ​​are provided on the outer side of the guide rod 4. The corners of the positioning rings 5 ​​are designed to be arc-shaped to avoid damage to the outer structure of the wiring harness. A ring 501 is connected to the end of the positioning ring 5 close to the guide rod 4. The ring 501 is sleeved on the outer side of the guide rod 4, and the positioning ring 5 matches the position of the connecting port 3.

[0027] An adjusting mechanism 6 for adjusting the position of a group of positioning rings 5 ​​and the guide rod 4 is arranged between the positioning rings 5 ​​and the guide rod 4. The adjusting mechanism 6 includes a threaded section 601 arranged on the side wall of the guide rod 4. An adjusting nut 602 is threadedly arranged on the outer side of the threaded section 601. The adjusting nut 602 is fitted with the side wall of the collar 501. The position of the positioning ring 5 can be adjusted by screwing the adjusting nut 602 and the threaded section to guide the connecting line to different positions for extension, so as to connect and cooperate with the internal electronic components more stably. A reset spring 603 is sleeved on the outer side of the guide rod 4. The two ends of the reset spring 603 are respectively connected to the side wall of the collar 501 and the inner wall of the upper shell 1.

[0028] A sound expansion hole 7 is provided on the side wall of the upper shell 1, and a cleaning plate 8 for cleaning the sound expansion hole 7 is rotatably connected to the inner side of the sound expansion hole 7. The lower end surface of the cleaning plate 8 is covered with a brush 801, and the brush 801 is in contact with the sound expansion hole 7. A driving motor 802 is provided in the inner cavity of the upper shell 1, and a transmission wheel 803 is connected to the power output end of the driving motor 802 and the rotating shaft of the cleaning plate 8. A transmission belt 804 is sleeved on the outer side of the transmission wheel 803. When the driving motor 802 runs, the transmission belt 804 and the transmission wheel 803 cooperate to drive the cleaning plate 8 to rotate, thereby cleaning the sound expansion hole 7 and removing possible impurities.

[0029] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

[0030] In the description of the present invention, it is necessary to understand that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

Claims

1. A circuit alarm device, comprising an upper housing (1) and a lower housing (2), wherein the upper housing (1) and the lower housing (2) are matched in size, and characterized in that: A connecting port (3) is provided on the side wall of one end of the upper shell (1) and the lower shell (2); a guide rod (4) is provided in the inner cavity of the upper shell (1) near the connecting port (3); a group of positioning rings (5) are provided on the outer side of the guide rod (4); an adjusting mechanism (6) for adjusting the position of the positioning rings (5) and the guide rod (4) is provided between the group of positioning rings (5) and the guide rod (4); a sound expansion hole (7) is provided on the side wall of the upper shell (1); a cleaning plate (8) for cleaning the sound expansion hole (7) is rotatably connected to the inner side of the sound expansion hole (7).

2. A circuit alarm device according to claim 1, characterized in that: The upper shell (1) and the lower shell (2) are clamped together, and a connecting pin (101) is provided between the two for connecting and fixing the two.

3. A circuit alarm device according to claim 1, characterized in that: A sealing gasket is arranged on the outside of the connection port (3).

4. A circuit alarm device according to claim 1, characterized in that: One end of the positioning ring (5) close to the guide rod (4) is connected to a sleeve ring (501), the sleeve ring (501) is sleeved on the outside of the guide rod (4), and the positioning ring (5) matches the position of the connection port (3).

5. A circuit alarm device according to claim 1, characterized in that: The adjustment mechanism (6) comprises a threaded section (601) arranged on the side wall of the guide rod (4); an adjustment nut (602) is threadedly arranged on the outer side of the threaded section (601); the adjustment nut (602) is fitted with the side wall of the collar (501); a return spring (603) is sleeved on the outer side of the guide rod (4); two ends of the return spring (603) are respectively connected to the side wall of the collar (501) and the inner wall of the upper shell (1).

6. A circuit alarm device according to claim 1, characterized in that: The lower end surface of the cleaning plate (8) is covered with a brush (801), and the brush (801) is in contact with the sound expansion hole (7).

7. A circuit alarm device according to claim 1, characterized in that: A driving motor (802) is arranged in the inner cavity of the upper shell (1), and a transmission wheel (803) is connected to the power output end of the driving motor (802) and the rotating shaft of the cleaning plate (8), and a transmission belt (804) is sleeved on the outer side of the transmission wheel (803).

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