Cable bridge with cables easy to draw out

Abstract

The utility model discloses a cable bridge with a cable easy to draw out, which relates to the technical field of cable bridges and comprises a main body unit, a sealing unit arranged above the main body unit, a guide unit and a clamping unit, the guide unit and the clamping unit are arranged in the main body unit, and the clamping unit is positioned above the guide unit. The guiding unit comprises a U-shaped base installed on the inner bottom wall of the main body unit, a fixing rod installed on the inner bottom wall of the U-shaped base, a rotating roller movably installed on the circumferential side face of the fixing rod, and a cable arranged in the U-shaped base and attached to the rotating roller. According to the cable bridge with the cable easy to draw out, the cable can be drawn out easily and conveniently through the guiding unit and the clamping unit.

Description

Technical Field

[0001] The utility model relates to the technical field of cable bridges, in particular to a cable bridge with which cables can be easily drawn out. Background Art

[0002] Cable trays are divided into trough-type, tray-type, ladder-type, grid-type and other structures, and are composed of brackets, supports and installation accessories. The cable trays in buildings can be erected independently or attached to various buildings (structures) and pipe gallery brackets. They should have the characteristics of simple structure, beautiful appearance, flexible configuration and easy maintenance.

[0003] After searching in the publication (announcement) number: CN114336443A, a cable bridge is disclosed, including a bridge body, a wiring device and a plurality of fixing rings; the bridge body includes a bottom plate and two side plates perpendicular to the bottom plate, and a plurality of reinforcing ribs for fixing cables are arranged in sequence on the bottom plate along the length direction, the length direction of each reinforcing rib is parallel to the width direction of the bottom plate, and each reinforcing rib is provided with a plurality of fixing grooves in groups of two along its length direction; each of the fixing rings is provided with an opening, and buckles are provided on both sides of the opening; the invention automatically controls the fixing ring through the wiring device to lock each section of cable on the reinforcing rib opposite to it for wiring, which replaces manual wiring, reduces labor costs, and greatly improves efficiency; the invention arranges a plurality of sliding grooves on the wiring mounting block, so that wiring work can be performed on multiple cables at the same time, simplifies the structure, and improves efficiency.

[0004] Although the above scheme has multiple sliding grooves on the wiring installation block, multiple cables can be wired at the same time, simplifying the structure, it is difficult to extract the cables due to the large friction during extraction. Therefore, we propose a cable tray with easy cable extraction. Utility Model Content

[0005] The main purpose of the utility model is to provide a cable bridge with easy cable extraction, and to solve the problem that it is difficult to extract the cable and the friction force is large during extraction by providing a guide unit and a clamping unit.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A cable tray for easily extracting cables comprises a main body unit, a sealing unit arranged above the main body unit, and a guide unit and a clamping unit arranged in the main body unit, wherein the clamping unit is located above the guide unit;

[0008] The guide unit comprises a U-shaped seat mounted on the inner bottom wall of the main unit, a fixed rod mounted on the inner bottom wall of the U-shaped seat, a rotating roller movably mounted on the peripheral side of the fixed rod, and a cable arranged inside the U-shaped seat and in contact with the rotating roller;

[0009] The engaging unit comprises a fixing groove provided on the side wall of the main unit, a moving plate movably arranged inside the main unit and passing through the fixing groove, a pressing spring arranged inside the fixing groove, and an arc-shaped fixing plate installed at the bottom of the moving plate.

[0010] Preferably, the main unit comprises a bridge housing and mounting ears mounted on side walls of the bridge housing.

[0011] Preferably, the sealing unit comprises a sealing groove opened on the top of the bridge housing, and a sealing plate movably installed in the sealing groove.

[0012] Preferably, the sealing unit further comprises a hand grip groove provided on the top of the sealing plate.

[0013] Preferably, there are two groups of the integral structures consisting of the fixed rods and the rotating rollers, and the two groups of the integral structures consisting of the fixed rods and the rotating rollers are symmetrically arranged with respect to the bisecting plane of the U-shaped seat.

[0014] Preferably, one end of the compression spring is fixedly connected to the movable plate, and the other end is fixedly connected to the top wall of the fixing groove.

[0015] Preferably, the engaging unit further comprises a pressing plate installed at one end of the movable plate located outside the fixing groove.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] In the utility model, by means of the provided guide unit and the clamping unit, when it is necessary to thread the cable, first, the pressing plate is lifted upwards, so that the movable plate drives the arc-shaped fixed plate to move upwards, and the pressing spring is stretched, and then the cable is passed through the U-shaped seat, and the quick threading can be completed under the assisted rotation of the rotating roller; after the threading is completed, the force applied to the pressing plate is removed, and under the elastic force of the pressing spring, the arc-shaped fixed plate clamps and fixes the cable; the threading operation of the cable is completed simply and quickly; when it is necessary to extract the cable subsequently, the pressing plate can be lifted upwards, so that the movable plate drives the arc-shaped fixed plate to move upwards, and the contact arc-shaped fixed plate clamps and fixes the cable, so that the extraction of the cable becomes simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2This is a schematic diagram of the structure of the utility model viewed from above;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle;

[0021] Figure 4 For this utility model Figure 3 Schematic diagram of the cross-section structure at BB in the middle;

[0022] Figure 5 It is a left-side structural schematic diagram of the utility model.

[0023] In the figure:

[0024] 1. Main unit; 101. Bridge housing; 102. Mounting lugs;

[0025] 2. Sealing unit; 201. Sealing groove; 202. Sealing plate; 203. Hand grip groove;

[0026] 3. Guide unit; 301. U-shaped seat; 302. Fixed rod; 303. Rotating roller; 304. Cable;

[0027] 4. Clamping unit; 401. Fixing groove; 402. Moving plate; 403. Pressing spring; 404. Arc-shaped fixing plate; 405. Pressing plate. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods. Example

[0029] like Figure 1 , Figure 3 , Figure 4 as well as Figure 5 As shown, a cable tray for easily extracting cables comprises a main unit 1, a sealing unit 2 arranged above the main unit 1, and a guide unit 3 and a clamping unit 4 arranged in the main unit 1, wherein the clamping unit 4 is located above the guide unit 3;

[0030] like Figure 4 and Figure 5 As shown, the guide unit 3 includes a U-shaped seat 301 installed on the inner bottom wall of the main unit 1, a fixed rod 302 installed on the inner bottom wall of the U-shaped seat 301, a rotating roller 303 movably installed on the side of the fixed rod 302, and a cable 304 arranged inside the U-shaped seat 301 and in contact with the rotating roller 303. The rotating roller 303 can provide guidance for the threading of the cable 304 and change sliding into rolling, thereby reducing friction during threading.

[0031] like Figure 3 As shown, the locking unit 4 includes a fixing groove 401 opened on the side wall of the main unit 1, a movable plate 402 movably arranged inside the main unit 1 and passing through the fixing groove 401, a compression spring 403 arranged inside the fixing groove 401, and an arc-shaped fixing plate 404 installed at the bottom of the movable plate 402. The setting of the arc-shaped fixing plate 404 facilitates the locking and fixing of the cable 304.

[0032] like Figure 1 As shown, the main unit 1 includes a bridge shell 101 and a mounting ear piece 102 installed on the side wall of the bridge shell 101. The arrangement of the mounting ear piece 102 facilitates the installation and fixation of the bridge shell 101.

[0033] like Figure 3 As shown, there are two groups of overall structures composed of fixed rods 302 and rotating rollers 303, and the overall structures composed of the two groups of fixed rods 302 and rotating rollers 303 are symmetrically arranged with respect to the bisecting plane of the U-shaped seat 301, so that the threading process of the cable 304 is smoother.

[0034] like Figure 3 As shown, one end of the compression spring 403 is fixedly connected to the movable plate 402, and the other end is fixedly connected to the top wall of the fixing groove 401. The setting of the compression spring 403 enables the arc-shaped fixing plate 404 to be tightly attached to the side wall of the cable 304, thereby achieving the clamping fixation of the cable 304.

[0035] like Figure 3 and Figure 5 As shown, the engaging unit 4 further includes a pressing plate 405 installed at one end of the movable plate 402 located outside the fixing groove 401 . The arrangement of the pressing plate 405 facilitates the upward and downward movement of the movable plate 402 .

[0036] When it is necessary to thread the cable 304, first, lift the pressing plate 405 upwards so that the movable plate 402 drives the arc-shaped fixed plate 404 to move upwards and stretch the pressing spring 403, and then pass the cable 304 through the U-shaped seat 301, and with the assistance of the rotating roller 303, the quick threading can be completed; after the threading is completed, remove the force applied to the pressing plate 405, and under the elastic force of the pressing spring 403, the arc-shaped fixed plate 404 clamps and fixes the cable 304; the cable threading operation is completed simply and quickly. Example

[0037] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5As shown, a cable tray for easily extracting cables comprises a main unit 1, a sealing unit 2 arranged above the main unit 1, and a guide unit 3 and a clamping unit 4 arranged in the main unit 1, wherein the clamping unit 4 is located above the guide unit 3;

[0038] like Figure 4 and Figure 5 As shown, the guide unit 3 includes a U-shaped seat 301 installed on the inner bottom wall of the main unit 1, a fixed rod 302 installed on the inner bottom wall of the U-shaped seat 301, a rotating roller 303 movably installed on the side of the fixed rod 302, and a cable 304 arranged inside the U-shaped seat 301 and in contact with the rotating roller 303. The rotating roller 303 can provide guidance for the threading of the cable 304 and change sliding into rolling, thereby reducing friction during threading.

[0039] like Figure 3 As shown, the locking unit 4 includes a fixing groove 401 opened on the side wall of the main unit 1, a movable plate 402 movably arranged inside the main unit 1 and passing through the fixing groove 401, a compression spring 403 arranged inside the fixing groove 401, and an arc-shaped fixing plate 404 installed at the bottom of the movable plate 402. The setting of the arc-shaped fixing plate 404 facilitates the locking and fixing of the cable 304.

[0040] like Figure 1 As shown, the main unit 1 includes a bridge shell 101 and a mounting ear piece 102 installed on the side wall of the bridge shell 101. The arrangement of the mounting ear piece 102 facilitates the installation and fixation of the bridge shell 101.

[0041] like Figure 2 As shown, the sealing unit 2 includes a sealing groove 201 opened on the top of the bridge housing 101, and a sealing plate 202 movably installed in the sealing groove 201. When the sealing plate 202 is opened, the internal components of the bridge housing 101 can be operated through the sealing groove 201.

[0042] like Figure 2 As shown, the sealing unit 2 also includes a finger groove 203 opened on the top of the sealing plate 202. The provision of the finger groove 203 facilitates the opening and closing of the sealing plate 202.

[0043] like Figure 3 As shown, there are two groups of overall structures composed of fixed rods 302 and rotating rollers 303, and the overall structures composed of the two groups of fixed rods 302 and rotating rollers 303 are symmetrically arranged with respect to the bisecting plane of the U-shaped seat 301, so that the threading process of the cable 304 is smoother.

[0044] like Figure 3As shown, one end of the compression spring 403 is fixedly connected to the movable plate 402, and the other end is fixedly connected to the top wall of the fixing groove 401. The setting of the compression spring 403 enables the arc-shaped fixing plate 404 to be tightly attached to the side wall of the cable 304, thereby achieving the clamping fixation of the cable 304.

[0045] like Figure 3 and Figure 5 As shown, the engaging unit 4 further includes a pressing plate 405 installed at one end of the movable plate 402 located outside the fixing groove 401 . The arrangement of the pressing plate 405 facilitates the upward and downward movement of the movable plate 402 .

[0046] When the cable needs to be extracted later, the pressing plate (405) can be lifted upwards, so that the movable plate (402) drives the arc-shaped fixing plate (404) to move upwards, and the arc-shaped fixing plate (404) is engaged and fixed to the cable (304), so that the extraction of the cable (304) becomes simple and convenient.

[0047] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cable tray for easily extracting cables, comprising a main unit (1), characterized in that: It also comprises a sealing unit (2) arranged above the main unit (1), and a guiding unit (3) and a snap-fit ​​unit (4) arranged inside the main unit (1), wherein the snap-fit ​​unit (4) is located above the guiding unit (3); The guide unit (3) comprises a U-shaped seat (301) mounted on the inner bottom wall of the main unit (1), a fixed rod (302) mounted on the inner bottom wall of the U-shaped seat (301), a rotating roller (303) movably mounted on the peripheral side of the fixed rod (302), and a cable (304) arranged inside the U-shaped seat (301) and in contact with the rotating roller (303); The locking unit (4) comprises a fixing groove (401) provided on a side wall of the main unit (1), a movable plate (402) movably arranged inside the main unit (1) and passing through the fixing groove (401), a pressing spring (403) arranged inside the fixing groove (401), and an arc-shaped fixing plate (404) mounted on the bottom of the movable plate (402).

2. The cable tray with easily removable cables according to claim 1, characterized in that: The main unit (1) comprises a bridge housing (101) and a mounting lug (102) mounted on a side wall of the bridge housing (101).

3. A cable tray for easily extracting cables according to claim 2, characterized in that: The sealing unit (2) comprises a sealing groove (201) opened on the top of the bridge housing (101), and a sealing plate (202) movably installed in the sealing groove (201).

4. A cable tray with easily removable cables according to claim 3, characterized in that: The sealing unit (2) further comprises a hand grip groove (203) formed on the top of the sealing plate (202).

5. The cable tray with easily removable cables according to claim 1, characterized in that: There are two groups of overall structures composed of the fixed rods (302) and the rotating rollers (303), and the two groups of overall structures composed of the fixed rods (302) and the rotating rollers (303) are symmetrically arranged with respect to the bisecting plane of the U-shaped seat (301).

6. A cable tray for easily extracting cables according to claim 5, characterized in that: One end of the compression spring (403) is fixedly connected to the movable plate (402), and the other end is fixedly connected to the top wall of the fixing groove (401).

7. The cable tray with easily removable cables according to claim 2, characterized in that: The locking unit (4) further comprises a pressing plate (405) mounted on an end of the movable plate (402) located outside the fixing groove (401).

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