Self-tightening multipath signal overvoltage protection device

Abstract

The utility model discloses a self-tightening multipath signal overvoltage protection device in the field of voltage protection devices, which comprises a mounting plate, a voltage protection device body, a dismounting mechanism and a shielding mechanism, and is characterized in that the voltage protection device body is embedded in the middle of the front side of the mounting plate through the dismounting mechanism; when the self-tightening multipath signal overvoltage protection device is installed, a pressing rod is pressed to enable a connecting seat to move and drive a deflection rod to deflect, so that moving plates are far away from each other, a reset spring is stretched, then an insertion block is embedded in an insertion groove, the pressing rod is loosened, and the pressing rod is loosened to enable the pressing rod to move to drive the deflection rod to deflect, so that the self-tightening multipath signal overvoltage protection device is installed. Through resetting of the reset spring, the movable plate drives the fixing rod to reset, the fixing rod is embedded in the fixing hole, and when mounting and dismounting are completed, dismounting can be achieved only by pressing the pressing rod, so that the dismounting time is greatly saved, time and labor are saved, dismounting is simpler and more convenient, and follow-up maintenance is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of voltage protection devices, in particular to a self-tightening multi-channel signal overvoltage protection device. Background Art

[0002] In recent years, with the vigorous development of technologies such as the Internet of Things and intelligent monitoring in the power system, the scope and scale of the power secondary system has continued to expand. A Chinese patent with publication number CN114094561B discloses a self-tightening multi-channel signal overvoltage protection device, which includes: a metal shell, a first interface protection module, a second interface protection module, a third interface protection module, a PCBA board and a grounding copper bus; the PCBA board is electrically connected to the first interface protection module, the second interface protection module and the third interface protection module respectively through a bimetallic U-shaped elastic connector. When an overcurrent occurs, the bimetallic U-shaped elastic connector heats up and bends inward at the same time, thereby achieving a self-tightening effect.

[0003] However, the above patent is connected by screws during installation. When the device fails, the screws must be unscrewed one by one before it can be disassembled. During installation, the screws also need to be tightened one by one, which makes the device very inconvenient to disassemble and assemble, and not convenient for subsequent maintenance. For this reason, we propose a self-tightening multi-channel signal overvoltage protection device. Utility Model Content

[0004] The purpose of the utility model is to provide a self-tightening multi-channel signal overvoltage protection device to solve the problem proposed in the above background technology that the device is connected by screws during installation and disassembly, which makes the device very inconvenient during installation and disassembly and inconvenient for subsequent maintenance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-tightening multi-channel signal overvoltage protection device, comprising a mounting plate, a voltage protection device body, a disassembly and assembly mechanism and a shielding mechanism, wherein the voltage protection device body is embedded in the middle of the front side of the mounting plate through the disassembly and assembly mechanism, and the shielding mechanism is connected to the outer side of the voltage protection device body, and the disassembly and assembly mechanism comprises an insert block, a fixing hole, an embedded groove, a slot, an installation box, a sliding rod, a movable plate, a rotating groove, a fixing rod, a reset spring, a push rod, a connecting seat and a deflection rod, and the left and right parts of the rear side of the voltage protection device body are fixedly connected with insert blocks, a fixing hole is penetrated in the middle of the top rear part of the insert block, and the middle of the front side of the mounting plate An embedded groove is provided through it, a slot is provided through it in the middle of the left and right parts of the front side of the mounting plate, a mounting box is fixedly connected to the middle of the left and right parts of the rear side of the mounting plate, and the mounting box is located at the rear of the slot, a sliding rod is fixedly connected to the middle between the top and the bottom of the inner cavity of the mounting box, a moving plate is symmetrically slidably connected to the outer wall of the sliding rod, a rotating groove is provided in the middle of the rear side of the moving plate, a fixing rod is fixedly connected to the middle of the front part of the opposite side of the moving plate at the top and the bottom, a return spring is sleeved on the outer side of the sliding rod, a pressing rod is slidably connected to the middle of the rear side of the mounting box, the front end of the pressing rod is fixedly connected to a connecting seat, and the inside of the connecting seat is symmetrically rotatably connected to a deflection rod.

[0006] As a further description of the above technical solution:

[0007] The length and width of the rear side of the insert block are equal to the length and width of the slot opening of the slot.

[0008] As a further description of the above technical solution: the top end and the bottom end of the return spring are fixedly connected to the bottom of the top moving plate and the top of the bottom moving plate respectively.

[0009] As a further description of the above technical solution:

[0010] The other end of the deflection rod at the top is rotatably connected to the inside of the rotation groove at the top, and the other end of the deflection rod at the bottom is rotatably connected to the inside of the rotation groove at the bottom.

[0011] As a further description of the above technical solution:

[0012] The shielding mechanism includes an L-shaped frame, an insertion rod, a pull plate, a connecting spring, a shielding cover and a socket. The top of the mounting plate is fixedly connected with the L-shaped frame in the middle of the bottom. The top of the L-shaped frame is symmetrically penetrated and slidably connected with the insertion rod. The top of the insertion rod is fixedly connected with the pull plate. The outer side of the insertion rod is sleeved with a connecting spring. The outer side of the voltage protection device body is sleeved with a shielding cover. The top and left sides of the bottom of the shielding cover are symmetrically provided with sockets.

[0013] As a further description of the above technical solution:

[0014] The two ends of the connecting spring are respectively fixedly connected to the pull plate and the opposite sides of the L-shaped frame.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. When installing the self-tightening multi-channel signal overvoltage protection device, the push rod is pressed to move the connecting seat, driving the deflection rod to deflect, so that the moving plates are moved away from each other, the reset spring is stretched, and then the plug block is embedded in the slot, and the push rod is loosened. Through the reset of the reset spring, the moving plate drives the fixed rod to reset, so that the fixed rod is embedded in the fixing hole, and the installation is completed. When disassembling, it is only necessary to press the push rod to make the moving plate drive the fixed rod to move out of the fixing hole, so that the device can be disassembled, thereby greatly saving the time of disassembly and assembly, saving time and effort, making disassembly and assembly simpler and more convenient, and facilitating subsequent maintenance.

[0017] 2. The self-tightening multi-channel signal overvoltage protection device drives the rod to move by pulling the pull plate, so that the connecting spring is stretched, and the shielding cover is placed outside the voltage protection device body, so that the end of the rod is aligned with the socket, and the pull plate is loosened. The rod is embedded in the socket through the reset of the connecting spring, and the shielding cover is fixed. The device is protected by the shielding cover to prevent the device from being damaged by external impact, thereby improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a self-tightening multi-channel signal overvoltage protection device proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the disassembly and assembly structure of a self-tightening multi-channel signal overvoltage protection device proposed by the utility model;

[0020] Figure 3 It is a right side cross-sectional structural schematic diagram of a disassembly and assembly mechanism of a self-tightening multi-channel signal overvoltage protection device proposed by the utility model;

[0021] Figure 4 The present invention is a schematic diagram of the shielding mechanism structure of a self-tightening multi-channel signal overvoltage protection device proposed by the utility model.

[0022] In the figure: 100, mounting plate; 200, voltage protection device body; 300, disassembly and assembly mechanism; 310, plug block; 320, fixing hole; 330, embedded groove; 340, slot; 350, mounting box; 360, slide bar; 370, movable plate; 371, rotating groove; 372, fixing rod; 373, return spring; 380, push rod; 390, connecting seat; 391, deflection rod; 400, shielding mechanism; 410, L-shaped frame; 420, plug rod; 430, pull plate; 440, connecting spring; 450, shielding cover; 460, socket. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, 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", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model 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 utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it 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 invention can be understood according to specific circumstances.

[0026] The utility model provides a self-tightening multi-channel signal overvoltage protection device, which greatly saves the time of disassembly and assembly, saves time and effort, makes disassembly and assembly simpler and more convenient, and facilitates subsequent maintenance. Please refer to Figure 1-4, including a mounting plate 100, a voltage protection device body 200, a disassembly and assembly mechanism 300 and a shielding mechanism 400;

[0027] Please refer again Figure 1 The mounting plate 100 is used to mount the voltage protection device body 200, the disassembly and assembly mechanism 300 and the shielding mechanism 400;

[0028] Please refer again Figure 1 The voltage protection device body 200 is embedded in the middle of the front side of the mounting plate 100 through the disassembly mechanism 300, and the shielding mechanism 400 is connected to the outer side of the voltage protection device body 200 for protection;

[0029] Please refer again Figure 2 The disassembly and assembly mechanism 300 includes an insert block 310, a fixing hole 320, an embedded groove 330, a slot 340, a mounting box 350, a slide bar 360, a moving plate 370, a rotating groove 371, a fixing rod 372, a return spring 373, a pressing rod 380, a connecting seat 390 and a deflection rod 391;

[0030] Please refer again Figure 2 The left and right parts of the rear side of the voltage protection device body 200 are fixedly connected with an insert block 310, a fixing hole 320 is penetrated in the middle of the top rear part of the insert block 310, an embedded groove 330 is penetrated in the middle of the front side of the mounting plate 100, a slot 340 is penetrated in the middle of the left and right parts of the front side of the mounting plate 100, and an installation box 350 is fixedly connected in the middle of the left and right parts of the rear side of the mounting plate 100, and the installation box 350 is located at the rear of the slot 340;

[0031] Please refer again Figure 2 A sliding rod 360 is fixedly connected to the middle part between the top and bottom of the inner cavity of the installation box 350, and a moving plate 370 is symmetrically slidably connected to the outer wall of the sliding rod 360. A rotating groove 371 is opened in the middle part of the rear side of the moving plate 370, and a fixed rod 372 is fixedly connected to the middle part of the front part of the opposite side of the moving plate 370 at the top and the bottom. A return spring 373 is sleeved on the outer side of the sliding rod 360, and a pressing rod 380 is slidably connected through the middle part of the rear side of the installation box 350. The front end of the pressing rod 380 is fixedly connected to a connecting seat 390, and the inside of the connecting seat 390 is symmetrically rotatably connected to a deflection rod 391.

[0032] To summarize, during installation, the push rod 380 is pressed to move the connecting seat 390, driving the deflection rod 391 to deflect, thereby moving the movable plates 370 away from each other, stretching the reset spring 373, and then embedding the insert block 310 in the slot 340, loosening the push rod 380, and the movable plate 370 drives the fixing rod 372 to reset through the reset spring 373, so that the fixing rod 372 is embedded in the fixing hole 320, and the installation is completed. During disassembly, it is only necessary to press the push rod 380 so that the movable plate 370 drives the fixing rod 372 to move out of the fixing hole 320, and then disassembly can be performed, thereby greatly saving the time for disassembly and assembly, saving time and effort, making disassembly and assembly simpler and more convenient, and facilitating subsequent maintenance.

[0033] Please refer again Figure 2 The length and width of the rear side of the insert block 310 are equal to the length and width of the slot 340 .

[0034] Please refer again Figure 2 The top and bottom ends of the return spring 373 are fixedly connected to the bottom of the top moving plate 370 and the top of the bottom moving plate 370 respectively.

[0035] Please refer again Figure 2 The other end of the top deflection rod 391 is rotatably connected to the inside of the top rotation groove 371 , and the other end of the bottom deflection rod 391 is rotatably connected to the inside of the bottom rotation groove 371 .

[0036] Please refer again Figure 4 The shielding mechanism 400 includes an L-shaped frame 410, an insertion rod 420, a pull plate 430, a connecting spring 440, a shielding cover 450 and a socket 460. The L-shaped frame 410 is fixedly connected to the middle of the top and bottom of the mounting plate 100. The top of the L-shaped frame 410 is symmetrically penetrated and slidably connected with the insertion rod 420. The top of the insertion rod 420 is fixedly connected with the pull plate 430. The outer side of the insertion rod 420 is sleeved with a connecting spring 440. The outer side of the voltage protection device body 200 is sleeved with a shielding cover 450. The shielding cover 450 is symmetrically provided with sockets 460 on the top and left sides of the bottom.

[0037] Please refer again Figure 4 The two ends of the connecting spring 440 are fixedly connected to the opposite sides of the pull plate 430 and the L-shaped frame 410 respectively.

[0038] To summarize, by pulling the pull plate 430, the insertion rod 420 is driven to move, so that the connecting spring 440 is stretched, and the shielding cover 450 is placed on the outside of the voltage protection device body 200, so that the end of the insertion rod 420 is aligned with the socket 460, and the pull plate 430 is loosened. By resetting the connecting spring 440, the insertion rod 420 is embedded in the socket 460, and the shielding cover 450 is fixed. The device is protected by the shielding cover 450 to prevent the device from being damaged by external impact, thereby improving the safety of the device.

[0039] In specific use, when installing, the technical personnel in this field first fix the mounting plate 100 at a specified position, and when installing, press the pressing rod 380 to move the connecting seat 390, drive the deflection rod 391 to deflect, so that the moving plates 370 move away from each other, stretch the reset spring 373, and then embed the plug block 310 in the slot 340, loosen the pressing rod 380, and reset the reset spring 373 to reset the moving plate 370 to drive the fixing rod 372 to reset, so that the fixing rod 372 is embedded in the fixing hole 320. 0, the installation is completed, and then the pull plate 430 is pulled to drive the plug rod 420 to move, so that the connecting spring 440 is stretched, and the shielding cover 450 is placed on the outside of the voltage protection device body 200, so that the end of the plug rod 420 is aligned with the socket 460, and the pull plate 430 is loosened. By resetting the connecting spring 440, the plug rod 420 is embedded in the socket 460 to fix the shielding cover 450. When disassembling, just press the push rod 380 to make the movable plate 370 drive the fixing rod 372 to move out of the fixing hole 320, and then disassembly can be carried out.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A self-tightening multi-channel signal overvoltage protection device, characterized in that: The invention comprises a mounting plate (100), a voltage protection device body (200), a disassembly mechanism (300) and a shielding mechanism (400), wherein the voltage protection device body (200) is embedded in the middle of the front side of the mounting plate (100) through the disassembly mechanism (300), the shielding mechanism (400) is connected to the outside of the voltage protection device body (200), and the disassembly mechanism (300) comprises an insert block (310), a fixing hole (320), an embedded groove (330), a slot (340), and a plurality of slots (350). ), an installation box (350), a slide bar (360), a movable plate (370), a rotating groove (371), a fixed rod (372), a reset spring (373), a push rod (380), a connecting seat (390) and a deflection rod (391), the left and right parts of the rear side of the voltage protection device body (200) are fixedly connected with an insert block (310), a fixing hole (320) is penetrated in the middle of the top rear part of the insert block (310), and an embedded A slot (330) is formed in the middle of the left and right parts of the front side of the installation plate (100), a slot (340) is formed in the middle of the left and right parts of the rear side of the installation plate (100), a mounting box (350) is fixedly connected to the middle of the left and right parts of the rear side of the installation plate (100), and the mounting box (350) is located at the rear of the slot (340), a sliding rod (360) is fixedly connected to the middle between the top and the bottom of the inner cavity of the installation box (350), and a moving plate (370) is symmetrically slidably connected to the outer wall of the sliding rod (360), and the moving plate (370) is fixedly connected to the inner cavity of the installation box (350). A rotation groove (371) is provided in the middle of the rear side of the movable plate (370), a fixing rod (372) is fixedly connected to the middle of the front of the opposite sides of the movable plate (370) at the top and the bottom, a return spring (373) is sleeved on the outer side of the slide rod (360), a push rod (380) is slidably connected to the middle of the rear side of the installation box (350), the front end of the push rod (380) is fixedly connected to a connecting seat (390), and the inside of the connecting seat (390) is symmetrically rotatably connected to a deflection rod (391).

2. A self-tightening multi-channel signal overvoltage protection device according to claim 1, characterized in that: The length and width of the rear side of the insert block (310) are equal to the length and width of the slot opening of the slot (340).

3. The self-tightening multi-channel signal overvoltage protection device according to claim 1 is characterized in that: The top end and the bottom end of the return spring (373) are fixedly connected to the bottom of the top moving plate (370) and the top of the bottom moving plate (370) respectively.

4. The self-tightening multi-channel signal overvoltage protection device according to claim 1 is characterized in that: The other end of the deflection rod (391) at the top is rotatably connected to the inside of the rotation groove (371) at the top, and the other end of the deflection rod (391) at the bottom is rotatably connected to the inside of the rotation groove (371) at the bottom.

5. The self-tightening multi-channel signal overvoltage protection device according to claim 1 is characterized in that: The shielding mechanism (400) comprises an L-shaped frame (410), an insertion rod (420), a pull plate (430), a connecting spring (440), a shielding cover (450) and a socket (460); the L-shaped frame (410) is fixedly connected to the middle of the top and bottom of the mounting plate (100); the top of the L-shaped frame (410) is symmetrically penetrated and slidably connected with the insertion rod (420); the top of the insertion rod (420) is fixedly connected with the pull plate (430); the outer side of the insertion rod (420) is sleeved with a connecting spring (440); the outer side of the voltage protection device body (200) is sleeved with a shielding cover (450); and the shielding cover (450) is symmetrically provided with sockets (460) on the left side of the top and bottom.

6. A self-tightening multi-channel signal overvoltage protection device according to claim 5, characterized in that: The two ends of the connection spring (440) are respectively fixedly connected to the pull plate (430) and the opposite sides of the L-shaped frame (410).

Images