Cable bridge communicating structure

Abstract

The utility model discloses a cable bridge communication structure, which belongs to the technical field of cable bridges and comprises a bottom plate, two symmetrically distributed L-shaped side plates are slidably connected onto the bottom plate, fixing plates driven by threaded rods are arranged in the L-shaped side plates, and mounting grooves are formed in the bottom plate. The two L-shaped side plates are slidably connected into the mounting groove through a sliding frame fixedly connected with the bottom ends, a rack is arranged in the sliding frame, and gears are arranged in the middle of the mounting groove so that the gears can be meshed with each other. According to the cable bridge communication structure, the function of adjusting the distance between the two L-shaped side plates by rotating the gear through meshing the gear with the rack, and the height of the fixing plate can be adjusted by rotating the threaded rod, so that fine adjustment of the communication device for cable bridges of different sizes is facilitated; the L-shaped side plates and the fixing plates are tightly attached to the outer wall of the cable bridge, cable bridges of different sizes can be conveniently fixed, operation is easy and fast, and installation is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable trays, and particularly relates to a cable tray connection structure. Background Art

[0002] Cable trays are used for laying cable lines. Cable trays play a protective role for cables. Between two cable trays, they will be connected through a connection structure, so that the cable trays can be spliced to increase the cable trays. Generally, the connection structure is composed of a connecting plate and bolts. The connecting plate is fixed on both sides of the cable tray, and the cable trays are connected by bolts.

[0003] A patent with the authorized announcement number of CN218940561U discloses a cable tray connection structure. This utility model sets a bottom plate, and L-shaped side plates are arranged on both sides above the bottom plate. First threaded holes are evenly opened on both sides of the surface of the bottom plate. By cooperating with the connection of bolts and different first threaded holes, the position of the L-shaped side plate is adjusted, so that cable trays with different widths can be fixed. Secondly, the connecting plate can adjust the height of the fixing plate by moving in the empty slot. The connecting plate is fixed at different heights through the limiting holes, realizing the function of fixing cable trays with different sizes.

[0004] However, it changes the position of the L-shaped side plate and the height of the fixing plate in the L-shaped side plate by adjusting the positions of the bolts in the first threaded holes and the second threaded holes. When changing the L-shaped side plate and the fixing plate, the bolts need to be removed and reinstalled many times, and the height can only be adjusted to the specified height and width. The adjustment range accuracy is small, and it cannot accurately adapt to cable trays with different sizes, thus affecting the fixation of the cable trays.

[0005] Therefore, we propose a cable tray connection structure to solve the above problems. Summary of the Utility Model

[0006] The purpose of the utility model is to solve the problem in the prior art that the adjustment range accuracy is small, and it cannot accurately adapt to cable trays with different sizes, thus affecting the fixation of the cable trays, and to propose a cable tray connection structure.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A cable bridge connection structure comprises an installation base plate, two symmetrically distributed L-shaped side plates are slidably connected on the base plate, an installation groove is opened in the middle of the base plate, the lower ends of the L-shaped side plates are fixedly connected to sliding frames, a rack is fixedly connected in the sliding frame, and the two ends of the installation groove are respectively slidably connected to the two sliding frames, a gear is arranged in the middle of the installation groove, the gear is meshed and transmission-connected with the racks on both sides, an empty groove is opened in the upper end of the L-shaped side plate, and a fixed plate is slidably connected in the empty groove.

[0009] By arranging the gear and the rack, the function of making the two L-shaped side plates move away from or close to each other is achieved.

[0010] Preferably, a threaded rod is vertically rotatably connected in the empty slot, and the fixing plate is threadedly connected to the threaded rod, and the top end of the threaded rod passes through the top end of the fixing plate.

[0011] By setting the threaded rod, the function of adjusting the height of the fixing plate is achieved.

[0012] Preferably, a rotating sleeve is rotatably connected to the middle of the installation groove, the outer periphery of the rotating sleeve is fixedly connected to a gear, and the internal thread of the rotating sleeve is connected to a rotating bolt that passes through the bottom plate.

[0013] By arranging the rotating sleeve to cooperate with the rotating bolt, the function of rotating the gear can be achieved by rotating the rotating bolt.

[0014] Preferably, a plurality of guide grooves are formed on the installation base plate, a plurality of guide blocks cooperating with the guide grooves are fixedly connected to the bottom end of the L-shaped side plate, and the L-shaped side plate is slidably connected to the base plate via the guide blocks.

[0015] The guide block is arranged to cooperate with the guide groove to achieve the limitation of the L-shaped side plate.

[0016] Preferably, the guide grooves are grouped in two, and multiple groups may be provided, with at least two groups provided, each group being symmetrically distributed along the axis of the gear, and the two groups of guide grooves correspond to two L-shaped side plates respectively.

[0017] By setting a plurality of sets of symmetrically distributed guide grooves, stable movement of the L-shaped plate can be achieved.

[0018] Preferably, a rotating block is fixedly connected to the top end of the threaded rod, and a circle of anti-slip grooves is evenly arranged on the rotating block.

[0019] By providing a rotating block with an anti-slip groove, the function of facilitating the rotation of the threaded rod is achieved.

[0020] In summary, the technical effects and advantages of the present utility model are as follows: By providing a bottom plate, two symmetrically distributed L-shaped side plates are slidably connected to the bottom plate. An adjusting plate driven by a threaded rod is arranged inside the L-shaped side plates. An installation groove is formed on the bottom plate. The two L-shaped side plates are slidably connected to the installation groove through a sliding frame fixedly connected to the bottom ends. A rack is arranged inside the sliding frame. A gear is arranged in the middle of the installation groove. By engaging the gear with the rack, rotating the gear can realize the function of adjusting the distance between the two L-shaped side plates. By rotating the threaded rod, the height of the adjusting plate can be adjusted, realizing fine adjustment of the connection device for cable trays of different sizes, making the L-shaped side plates and the adjusting plate closely adhere to the outer wall of the cable tray, facilitating the fixation of cable trays of different sizes, and the operation is simple and fast, facilitating installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural view of the present utility model;

[0022] Figure 2 is a cross-sectional view of the present utility model;

[0023] Figure 3 is a schematic structural view of the bottom plate of the present utility model;

[0024] Figure 4 is the present utility model Figure 2 partial enlarged view at A in;

[0025] Figure 5 is a schematic structural view of the bottom of the L-shaped side plate of the present utility model.

[0026] In the figure: 1, bottom plate; 2, L-shaped side plate; 3, adjusting plate; 4, threaded rod; 5, rotating block; 6, guiding groove; 7, installation groove; 8, sliding frame; 9, rack; 10, gear; 11, rotating sleeve; 12, guiding block; 13, bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0028] Refer to Figures 1-3A cable bridge connection structure includes a mounting base plate 1, two symmetrically distributed L-shaped side plates 2 are slidably connected to the base plate 1, a mounting groove 7 is opened in the middle of the base plate 1, and the lower ends of the L-shaped side plates 2 are fixedly connected with sliding frames 8, and racks 9 are fixedly connected in the sliding frames 8, and the two ends of the mounting groove 7 are respectively slidably connected to the two sliding frames 8, and a gear 10 is arranged in the middle of the mounting groove 7, and the gear 10 is meshed and connected with the racks 9 on both sides. When the gear 10 rotates, it can drive the racks 9 at both ends to move, so that the sliding frame 8 drives the L-shaped side plates 2 to move toward each other;

[0029] refer to Figures 3-4 A rotating sleeve 11 is rotatably connected to the middle of the mounting groove 7, and the outer periphery of the rotating sleeve 11 is fixedly connected to the gear 10. The inner thread of the rotating sleeve 11 is connected to a rotating bolt 13 that penetrates the bottom plate 1. When the rotating bolt 13 is turned, the threaded sleeve is driven by the rotating bolt 13 to rotate, and the threaded sleeve drives the gear 10 to rotate. The gear 10 drives the racks 9 on both sides to move toward each other, thereby driving the L-shaped side plates 2 at both ends to move away from or close to each other, thereby achieving the clamping and fixing of the two ends of the cable tray of different widths, with high adjustment accuracy and strong applicability;

[0030] refer to Figures 3-5 , a plurality of guide grooves 6 are provided on the installation bottom plate, a plurality of guide blocks 12 cooperating with the guide grooves 6 are fixedly connected to the bottom end of the L-shaped side plate 2, and the L-shaped side plate 2 is slidably connected to the bottom plate 1 through the guide blocks 12, and two guide grooves 6 form a group, and a plurality of plural groups can be set, and at least two groups are set, each group is symmetrically distributed along the axis of the gear 10, and the two groups of guide grooves 6 correspond to two L-shaped side plates 2 respectively, and the guide blocks 12 cooperate with the guide grooves 6 to limit the movement of the L-shaped side plate 2, ensure the direction of the movement of the L-shaped side plate 2 and have the function of preventing the L-shaped side plate 2 from separating from the bottom plate 1, and the symmetrically distributed guide grooves 6 support both ends of the L-shaped side plate 2 at the same time, so that the sliding of the L-shaped side plate 2 is more stable;

[0031] The upper end of the L-shaped side plate 2 is provided with an empty groove, in which a fixed plate 3 is slidably connected, and the fixed plate 3 is also an L-shaped plate, and the two fixed plates 3 are arranged opposite to each other for squeezing the upper end of the cable bridge. A threaded rod 4 is vertically rotatably connected in the empty groove, and the fixed plate 3 is threadedly connected to the threaded rod 4. The top of the threaded rod 4 passes through the top of the fixed plate 3, and the top of the threaded rod 4 is fixedly connected to a rotating block 5. A circle of anti-skid grooves is evenly provided on the rotating block 5. By setting the threaded rod 4, since the fixed plate 3 is limited by the empty groove, when the threaded rod 4 is rotated, the fixed plate 3 will move up or down, and the adjustment length is regulated by the threaded rod 4 with high precision. The rotating block 5 is provided with an anti-skid groove, which is a rectangular strip, which increases the friction with the hand, making it convenient for manual rotation of the rotating block 5 to drive the threaded rod 4 to rotate, so as to adjust the height of the fixed plate 3 to fix cable bridges of different heights.

[0032] Working principle: When fixing the cable tray, insert the cable tray between two L-shaped side plates 2. By rotating the rotating bolt 13 located in the middle of the lower end of the bottom plate 1, drive the gear 10 to rotate through the rotating bolt 13, so that the two end L-shaped plates approach the cable tray until the two ends of the cable tray are pressed tightly. Then, by rotating the two rotating blocks 5, make the fixing plate 3 move towards the cable tray until the top of the cable tray is pressed tightly, realizing the fixation of the top of the cable tray. The operation is simple, facilitating fine adjustment of the connection structure for cable trays of different sizes, so that the connection structure fixes the cable tray.

[0033] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent replacements or changes, and should be covered by the protection scope of the present invention.

Claims

1. A cable tray connection structure, characterized in that The invention comprises a mounting base plate (1), two symmetrically distributed L-shaped side plates (2) are slidably connected to the base plate (1), a mounting groove (7) is provided in the middle of the base plate (1), a sliding frame (8) is fixedly connected to the lower end of each of the L-shaped side plates (2), a rack (9) is fixedly connected inside the sliding frame (8), and two sliding frames (8) are slidably connected to the two ends of the mounting groove (7), a gear (10) is provided in the middle of the mounting groove (7), and the gear (10) is meshed and transmission-connected with the racks (9) on both sides, and an empty groove is provided in the upper end of the L-shaped side plate (2), and a fixed plate (3) is slidably connected in the empty groove.

2. The cable tray connection structure according to claim 1, characterized in that, A threaded rod (4) is vertically rotatably connected in the empty slot, and the fixing plate (3) is threadedly connected to the threaded rod (4), and the top end of the threaded rod (4) passes through the top end of the fixing plate (3).

3. The cable tray connection structure according to claim 1, wherein, A rotating sleeve (11) is rotatably connected to the middle of the installation groove (7), the outer periphery of the rotating sleeve (11) is fixedly connected to the gear (10), and the internal thread of the rotating sleeve (11) is connected to a rotating bolt (13) that penetrates the bottom plate (1).

4. A cable tray connection structure according to claim 1, characterized in that, The installation base plate is provided with a plurality of guide grooves (6), the bottom end of the L-shaped side plate (2) is fixedly connected with a plurality of guide blocks (12) matching with the guide grooves (6), and the L-shaped side plate (2) is slidably connected to the base plate (1) via the guide blocks (12).

5. The cable tray connection structure according to claim 4, characterized in that, The plurality of guide grooves (6) are arranged in groups of two, and multiple groups may be provided, with at least two groups provided. Each group is symmetrically distributed along the axis of the gear (10), and the two groups of guide grooves (6) correspond to the two L-shaped side plates (2) respectively.

6. The cable tray connection structure according to claim 2, characterized in that A rotating block (5) is fixedly connected to the top end of the threaded rod (4), and a circle of anti-slip grooves is evenly arranged on the rotating block (5).

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