Weak current engineering line protection device

Abstract

The utility model relates to the field of weak current engineering, and discloses a weak current engineering line protection device comprising an installation frame, the right end side wall of the installation frame is rotatably connected with a rotating pipe, the left end inner wall of the rotating pipe is elastically connected with a moving pipe through a reset spring, and the inner side wall of the moving pipe is fixedly connected with an insertion block. An extrusion mechanism is arranged on the outer wall of the moving pipe, a moving frame is slidably connected to the inner wall of the mounting frame, a connecting bolt penetrates through the inner wall of the moving frame and is in threaded connection with the inner wall of the moving frame, a contact ring is rotatably connected to the bottom end of the connecting bolt, and a supporting plate is fixedly connected to the inner wall of the mounting frame. According to the utility model, through the superposition or separation of the insertion blocks and the notches in the side walls of the mounting frame, the fixed plate is utilized to extrude the circular pipe to drive the movable frame and the contact rings to be close to or separated from each other, a plurality of wire harnesses can be fixed at the same time, and the connecting bolts are rotated to change the position of the single contact ring, so that the single wire harness can be overhauled or maintained, and the construction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of weak current engineering especially, and relates to a weak current engineering line protection device. BACKGROUND

[0002] Weak current engineering is a classification of power application, usually refers to the power supply system engineering below 36V of alternating current, below 24V of direct current, mainly includes the engineering construction of communication engineering, security monitoring, intelligent building etc., and weak current engineering covers many systems and equipment, such as telephone communication system, computer network system, security monitoring system, broadcast sound system, intelligent card system etc., and in the weak current engineering wiring process, in order to prevent the skin of line from aging and damage, then needs to use line protection device.

[0003] Through the retrieval, Chinese patent publication number: CN221408308U discloses a weak current engineering line protection device, including the protection frame, is equipped with the mounting plate on the protection frame, and is equipped with the damping screw on the mounting plate, and the damping screw includes the head, the connecting portion and the screw thread part, the connecting portion outside is equipped with the damping ring, is equipped with the damping block on the damping ring, the damping ring bottom is equipped with the damping pad, the head below is provided with the recess, is equipped with the wiring board and the wiring groove in the protection frame, is equipped with the first insulating pad in the wiring groove, is equipped with the clamping plate on the wiring board symmetrically, is equipped with the second insulating pad on the clamping plate and cooperates with the wiring groove, through setting the damping pad and the damping block on the mounting plate, improve the stability of protection frame installation, reduce the influence of external vibration to the protection frame, improve the reliability and service life of the protection frame, and the structure is simple, and it is convenient to install, through setting the wiring board, the wiring groove, the first insulating pad and the second insulating pad in the protection frame, it is convenient to orderly install and store weak current engineering cable, avoids winding and scattering.

[0004] In the prior art, the above-mentioned device can simultaneously install and fix multiple wire harnesses, improving the installation efficiency of the wire harnesses, but during subsequent maintenance, if a single wire harness needs to be maintained and inspected, multiple wire harnesses need to be simultaneously released from the limiting, and during the releasing process, unnecessary interference to the surrounding wire harnesses is likely to occur, increasing the risk and difficulty of maintenance, therefore, a weak current engineering line protection device is proposed to solve the above-mentioned problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a weak current engineering line protection device, aiming at improving the problem that the maintenance of a single wire harness in the prior art easily affects other wire harnesses.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a weak electric engineering line protection device, including the mounting frame, the right end lateral wall of mounting frame is rotatably connected with the rotary pipe, the left end inner wall of rotary pipe is elastically connected with the moving pipe through the reset spring, the inboard lateral wall of moving pipe is fixedly connected with the plug block, the outer wall of moving pipe is provided with the extrusion mechanism, the inner wall of mounting frame is slidably connected with the moving frame, the inner wall of moving frame is penetrated and is threadedly connected with the connecting bolt, the bottom of connecting bolt is rotatably connected with the contact ring, the inner wall of mounting frame is fixedly connected with the support plate, the outer wall of support plate is provided with the display component,

[0007] The extrusion mechanism includes a fixed plate, the fixed plate is fixedly connected to the outer wall of the moving pipe, and the inner wall of the fixed plate is in contact with a circular pipe.

[0008] As a further description of the above technical scheme:

[0009] The display component includes a placing groove, the placing groove is formed on the outer wall of the support plate, the inner wall of the placing groove is rotatably connected with a transparent cover, and the top inner wall of the placing groove is fixedly connected with a friction pad.

[0010] As a further description of the above technical scheme:

[0011] The bottom end of the transparent cover is in contact with the top end of the friction pad.

[0012] As a further description of the above technical scheme:

[0013] The left end inner wall of the rotary pipe is fixedly connected with one end of the reset spring, and the other end of the reset spring is fixedly connected with the left end of the moving pipe.

[0014] As a further description of the above technical scheme:

[0015] The moving pipe is slidably connected to the inner wall of the rotary pipe.

[0016] As a further description of the above technical scheme:

[0017] The plug block is inserted into the right end lateral wall of the mounting frame.

[0018] As a further description of the above technical scheme:

[0019] The circular pipe is fixedly connected to the right end of the moving frame, and the circular pipe penetrates and is slidably connected to the inner wall of the mounting frame.

[0020] As a further description of the above technical scheme:

[0021] The contact ring is slidably connected to the inner wall of the moving frame.

[0022] The utility model has the advantages of the following:

[0023] 1、 the utility model discloses, through the side wall slot of insert block and installation frame coincides or separates, utilize fixed plate extrusion round pipe with moving frame and contact ring draw together or separate, can fix simultaneously to many wire harnesss, and the position of single contact ring changes to let connecting bolt rotate, can overhaul or maintain to single wire harness, improve construction efficiency.

[0024] 2、 the utility model discloses, through setting up multiple transparent covers can insert wire harness label into the opening of corresponding transparent cover, convenient to the identification of different wire harness, it is convenient to identify and manage circuit, improve circuit maintenance and troubleshooting efficiency, avoid the situation that label falls off after pasting or label font is exposed to the outside for a long time and cannot be identified. BRIEF DESCRIPTION OF DRAWINGS

[0025] Fig. 1 It is a kind of weak electric engineering circuit protection device's installation frame, moving frame and support plate whole three-dimensional schematic view proposed in the utility model;

[0026] Fig. 2 It is a kind of weak electric engineering circuit protection device's rotating pipe whole section view schematic view proposed in the utility model;

[0027] Fig. 3 It is a kind of weak electric engineering circuit protection device's placement groove and transparent cover whole three-dimensional schematic view proposed in the utility model.

[0028] LEGEND:

[0029] 1, installation frame;2, rotating pipe;3, reset spring;4, moving pipe;5, insert block;6, fixed plate;7, round pipe;8, moving frame;9, connecting bolt;10, contact ring;11, support plate;12, placement groove;13, transparent cover;14, friction pad. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] REFERENCE Figs. 1-3The utility model provides a kind of weak current engineering line protection device, including installation frame 1, installation frame 1 can be installed in the line layout of building by the mode of bolt, the right end side wall of installation frame 1 is rotatably connected with rotary tube 2, the left end inner wall of rotary tube 2 is elastically connected with moving tube 4 by reset spring 3, the outer wall of moving tube 4 is convex portion, can let moving tube 4 slide along the inner wall of rotary tube 2, also can bring rotary tube 2 to rotate, the inner side wall of moving tube 4 is fixedly connected with plug 5, the outer wall of moving tube 4 is provided with extrusion mechanism, the inner wall of installation frame 1 is slidably connected with moving frame 8, moving frame 8 is mainly connected with the effect of multiple contact rings 10, can be moved vertically by moving frame 8 with contact ring 10, the inner wall of moving frame 8 is penetrated and is threadedly connected with connecting bolt 9, the bottom end of connecting bolt 9 is rotatably connected with contact ring 10, the upper end portion of contact ring 10 is steel material, the lower end semicircular portion of contact ring 10 is insulating rubber material, semicircular portion can produce larger deformation, satisfy semicircular portion adapts to line of different diameters, the inner wall of installation frame 1 is fixedly connected with support plate 11, support plate 11 is made of insulating material, a plurality of grooves for placing line are formed in support plate 11, so that the lines can be placed in the grooves in order, the outer wall of support plate 11 is provided with display assembly, extrusion mechanism includes fixed plate 6, arc groove is formed in fixed plate 6, so that the arc groove can extrude the circular tube 7 to move, the fixed plate 6 is fixedly connected to the outer wall of the moving tube 4, the inner wall of the fixed plate 6 contacts the circular tube 7, when the moving tube 4 moves horizontally with the fixed plate 6, the fixed plate 6 will slide on the outer wall of the circular tube 7 for a distance and not be separated from the outer wall of the circular tube 7.

[0032] Referring to Figs. 1-3 , the display assembly includes a placement slot 12, which is formed on the outer wall of the support plate 11. The placement slot 12 provides sufficient space for the transparent cover 13 to flip and can accommodate the transparent cover 13. The inner wall of the placement slot 12 is rotatably connected with the transparent cover 13, which is made of transparent material and has an opening at the bottom. The label can be inserted into the transparent cover 13. The transparent cover 13 protects the label font from oxidation. The top inner wall of the placement slot 12 is fixedly connected with a friction pad 14 made of plastic material. The friction pad 14 can deform and can block the opening at the bottom of the transparent cover 13 and increase the friction with the transparent cover 13 to prevent the transparent cover 13 from flipping randomly. The bottom end of the transparent cover 13 is in contact with the top end of the friction pad 14.

[0033] Referring to Figs. 1-3The left end inner wall of the rotating pipe 2 is fixedly connected with one end of the reset spring 3, when the moving pipe 4 moves right, the reset spring 3 is compressed, when reset, the reset spring 3 is used to reset the moving pipe 4, the other end of the reset spring 3 is fixedly connected with the left end of the moving pipe 4, the moving pipe 4 is slidingly connected on the inner wall of the rotating pipe 2, the plug block 5 is inserted on the right end side wall of the mounting frame 1, the mounting frame 1 is provided with a slot corresponding to the plug block 5, the plug block 5 can be inserted and matched with the slot, the plug block 5 and the mounting frame 1 can limit the rotating pipe 2 and the moving pipe 4, so that the rotating pipe 2 cannot rotate, the circular pipe 7 is fixedly connected with the right end of the moving frame 8, the circular pipe 7 penetrates and is slidingly connected on the inner wall of the mounting frame 1, the mounting frame 1 is provided with a slot corresponding to the circular pipe 7, so that the circular pipe 7 can move vertically in the mounting frame 1, the contact ring 10 is slidingly connected on the inner wall of the moving frame 8.

[0034] Working principle: first, when fixing multiple wire harnesses, only need to pass multiple wire harnesses on the supporting plate 11, then move the moving pipe 4 with the plug block 5 to the right and stretch the reset spring 3, so that the plug block 5 and the side wall slot of the mounting frame 1 are separated, then rotate the moving pipe 4 with the rotating pipe 2, the plug block 5 and the fixed plate 6 counterclockwise, so that the arc groove of the fixed plate 6 extrudes the circular pipe 7 with the moving frame 8 and the contact ring 10 to the supporting plate 11, and the supporting plate 11 cooperates with the contact ring 10 to contact the wire harness and extrude the wire harness to fix it, when limiting, only need to loosen the moving pipe 4 with the reset spring 3, the moving pipe 4 and the plug block 5 and the fixed plate 6 are reset to the left, so that the plug block 5 is inserted and matched with the right end side wall of the mounting frame 1, the limiting of the moving frame 8 and the contact ring 10 is completed, when a single wire harness needs to be fixed for maintenance, only need to rotate the connecting bolt 9 with the contact ring 10 to move upward, so that a single contact ring 10 does not contact and fix the wire harness.

[0035] When multiple wire harnesses need to be fixed, only need to move the moving pipe 4 and the plug block 5 to the right, so that the plug block 5 and the side wall slot of the mounting frame 1 are separated, and the moving pipe 4 is rotated clockwise with the fixed plate 6, so that the circular pipe 7 moves away from the supporting plate 11 with the moving frame 8 and the contact ring 10, and does not contact the wire harness.

[0036] During use, the wire harness label can be inserted into the opening corresponding to the transparent cover 13, and then the transparent cover 13 is turned over to be placed in the placing groove 12, and the bottom end of the transparent cover 13 is in contact with the friction pad 14, so that the transparent cover 13 cannot be easily turned over in the placing groove 12, and the label can be prevented from falling off or being seriously oxidized during use.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A protection device for low-voltage electrical circuits, comprising a mounting frame (1), characterized in that: The right side wall of the mounting frame (1) is rotatably connected to a rotating tube (2), and the left inner wall of the rotating tube (2) is elastically connected to a moving tube (4) via a return spring (3). The inner side wall of the moving tube (4) is fixedly connected to an insert block (5), and the outer wall of the moving tube (4) is provided with a pressing mechanism. The inner wall of the mounting frame (1) is slidably connected to a moving frame (8), and the inner wall of the moving frame (8) is threadedly connected to a connecting bolt (9). The bottom end of the connecting bolt (9) is rotatably connected to a contact ring (10). The inner wall of the mounting frame (1) is fixedly connected to a support plate (11), and the outer wall of the support plate (11) is provided with a display component. The extrusion mechanism includes a fixed plate (6), which is fixedly connected to the outer wall of the moving tube (4), and the inner wall of the fixed plate (6) contacts the round tube (7).

2. The low-voltage electrical circuit protection device according to claim 1, characterized in that: The display component includes a placement slot (12), which is opened on the outer wall of the support plate (11). A transparent cover (13) is rotatably connected to the inner wall of the placement slot (12), and a friction pad (14) is fixedly connected to the inner wall of the top of the placement slot (12).

3. The low-voltage electrical circuit protection device according to claim 2, characterized in that: The bottom end of the transparent cover (13) is in contact with the top end of the friction pad (14).

4. The low-voltage electrical circuit protection device according to claim 1, characterized in that: The inner wall of the left end of the rotating tube (2) is fixedly connected to one end of the reset spring (3), and the other end of the reset spring (3) is fixedly connected to the left end of the moving tube (4).

5. A low-voltage engineering circuit protection device according to claim 1, characterized in that: The moving tube (4) is slidably connected to the inner wall of the rotating tube (2).

6. A low-voltage electrical circuit protection device according to claim 1, characterized in that: The insert (5) is inserted into the right side wall of the mounting frame (1).

7. A protection device for low-voltage electrical circuits according to claim 1, characterized in that: The round tube (7) is fixedly connected to the right end of the movable frame (8), and the round tube (7) passes through and is slidably connected to the inner wall of the mounting frame (1).

8. A protection device for low-voltage engineering circuits according to claim 1, characterized in that: The contact ring (10) is slidably connected to the inner wall of the movable frame (8).

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