Modularized extensible cable bridge

Abstract

The utility model provides a modularized extensible cable bridge which comprises a bottom plate, first vertical plates symmetrically arranged at the top of the bottom plate, second vertical plates symmetrically hinged to the outer sides of the first vertical plates, third vertical plates hinged to the second vertical plates and expansion grooves formed in the third vertical plates, and expansion plates are detachably connected in every two adjacent expansion grooves. An inserting block is fixedly connected to one side of the bottom plate, limiting grooves are symmetrically formed in the outer side of the inserting block, inserting grooves matched with the inserting block are formed in the other side of the bottom plate, rectangular cavities are symmetrically formed in the bottom plate, moving plates are slidably connected into the rectangular cavities, and limiting rods matched with the limiting grooves are fixedly connected to one side of each moving plate. Compared with the prior art in which a plurality of bolts and nuts are adopted, the mounting mode is simpler, more convenient and quicker, time and labor are saved, and the mounting efficiency is improved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of power equipment, and in particular to modular and expandable cable trays. Background Art

[0002] Cable trays are generally suitable for large enterprises, large-scale power substations, cable laying, large bridges, subway cable laying and offshore drilling.

[0003] After searching, the announcement number CN220306890U disclosed an expandable cable tray in the field of power equipment technology, including a base plate, and side plates parallel to each other are vertically arranged on both sides of the upper edge of the base plate, and the side plates are composed of a first plate vertically fixed to the base plate and a second plate hinged on its opposite sides, and a third plate is hinged on the two groups of second plates... The second plate and the third plate between two adjacent base plates of this application can be rotated 90°, and an expansion plate is detachably arranged between the expansion slots of the third plate to achieve space expansion. However, the two adjacent base plates of this application are installed and fixed by multiple bolts and nuts. The method of fixing with multiple bolts and nuts is time-consuming and labor-intensive, and cannot achieve fast installation operations, reduces work efficiency, and is more cumbersome to operate.

[0004] In summary, how to quickly install two adjacent base plates and save time and effort during installation is a technical problem that needs to be solved urgently. To this end, we propose a modular and expandable cable tray. Utility Model Content

[0005] In view of the above-mentioned defects or deficiencies in the prior art, it is expected to provide a modular expandable cable tray, comprising a base plate, a first vertical plate symmetrically arranged on the top of the base plate, a second vertical plate symmetrically hinged on the outside of the first vertical plate, a third vertical plate hinged on the second vertical plate, and an expansion slot provided on the third vertical plate, wherein an expansion plate is detachably connected to two adjacent expansion slots, an insert block is fixedly connected to one side of the base plate, a limiting slot is symmetrically provided on the outside of the insert block, a slot matching the insert block is provided on the other side of the base plate, a rectangular cavity is symmetrically provided inside the base plate, a movable plate is slidably connected inside the rectangular cavity, a limiting rod matching the limiting slot is fixedly connected to one side of the movable plate, a square rod is fixedly connected to the other side of the movable plate, and a second spring is provided inside the rectangular cavity.

[0006] According to the technical solution provided in the embodiment of the present application, the limiting rod extends to the inside of the slot at one end away from the movable plate, the square rod extends to the outside of the base plate at one end away from the movable plate, and the square rod is fixedly connected to a handheld plate at one end away from the movable plate.

[0007] According to the technical solution provided in the embodiment of the present application, the second spring is sleeved on the outside of the square rod, one end of the second spring is fixedly connected to the movable plate, and the other end of the second spring is fixedly connected to the inner wall of the rectangular cavity.

[0008] According to the technical solution provided in the embodiment of the present application, a positioning groove is provided on the inner wall of the expansion slot, a sliding groove is symmetrically provided on the top of the expansion plate, a sliding plate is slidably connected to the inside of the sliding groove, an L-shaped cavity is symmetrically provided inside the expansion plate, an L-shaped rod is slidably connected to the inside of the L-shaped cavity, a limiting hole is symmetrically provided on the outside of the expansion plate, an insert rod is provided inside the limiting hole, and a first spring is provided inside the L-shaped cavity.

[0009] According to the technical solution provided in the embodiment of the present application, the insertion rod, L-shaped rod and sliding plate are integrally formed, and the two ends of the L-shaped cavity are respectively connected to the limiting hole and the sliding groove.

[0010] According to the technical solution provided in the embodiment of the present application, one end of the first spring is fixedly connected to the L-shaped rod, the other end of the first spring is fixedly connected to the inner wall of the L-shaped cavity, and the top end of the sliding plate extends above the expansion plate.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] When installing and connecting two adjacent base plates, the present application only needs to drive the two hand plates to move toward each other, so that the square rod moves and drives the moving plate to move. At this time, the second spring is squeezed and contracts, and the movement of the moving plate can drive the part of the limit rod located in the slot to move out of the slot, and then the insert block is inserted into the inside of the matching slot, and then the hand plate is released. The thrust generated by the spring reset drives the moving plate and the limit rod to move, and the limit rod moves and is inserted into the inside of the limit slot, thus completing the installation of the two adjacent base plates; in summary, the installation method of the present application is simpler and faster than the prior art that uses multiple bolts and nuts, saves time and effort, and improves installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the matching structure of two adjacent bottom plates of the utility model;

[0016] Figure 3 This utility model Figure 2 A magnified schematic diagram of the structure of the area B in the middle;

[0017] Figure 4 This is a schematic diagram of the expansion board structure of the utility model;

[0018] Figure 5 This utility model Figure 4 A magnified schematic diagram of the structure of the area A in the middle. DETAILED DESCRIPTION

[0019] The present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely for the purpose of explaining the relevant invention and are not intended to limit the invention. It should also be noted that, for ease of description, only portions relevant to the invention are shown in the accompanying drawings.

[0020] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0021] As mentioned in the background technology, in the prior art, two adjacent base plates are fixed together by means of a plurality of bolts and nuts. The method of fixing with a plurality of bolts and nuts is time-consuming and labor-intensive, cannot achieve fast installation operations, reduces work efficiency, and is more complicated to operate.

[0022] Example:

[0023] See also Figure 1 and Figure 2The utility model provides a technical solution, a modular expandable cable tray, comprising a bottom plate 1, a first vertical plate 2 symmetrically arranged on the top of the bottom plate 1, a second vertical plate 3 symmetrically hinged on the outside of the first vertical plate 2, a third vertical plate 4 hinged on the second vertical plate 3, and an expansion slot 6 provided on the third vertical plate 4, wherein two adjacent expansion slots 6 are detachably connected with an expansion plate 5, an insert block 12 is fixedly connected to one side of the bottom plate 1, and a limiting slot 13 is symmetrically provided on the outside of the insert block 12, and a slot 19 adapted to the insert block 12 is provided on the other side of the bottom plate 1, driving a portable plate 15 to move outward, and the outward movement of the portable plate 15 drives the square rod 14 to move outward, and the movement of the square rod 14 drives the movable plate 18 to move, and the movement of the movable plate 18 squeezes the second spring 17, and the second spring 17 is squeezed and contracts, and the movement of the movable plate 18 can drive the part of the limit rod located in the slot 19 to move out of the slot 19, and then the plug 12 is inserted into the matching slot 19, and then the hand plate 15 is released. The thrust generated by the reset of the second spring 17 drives the movable plate 18 and the limit rod to move, and the limit rod moves and is inserted into the inside of the limiting groove 13, thereby completing the limitation of the plug 12, that is, completing the installation of the two adjacent base plates 1, and the interior of the base plate 1 is symmetrically provided with a rectangular cavity 16, and the interior of the rectangular cavity 16 is slidably connected to the movable plate 18, one side of the movable plate 18 is fixedly connected to the limit rod matching the limiting groove 13, and the other side of the movable plate 18 is fixedly connected to the square rod 14, and the interior of the rectangular cavity 16 is provided with a second spring 17.

[0024] See also Figure 3 The end of the limiting rod away from the movable plate 18 extends to the inside of the slot 19, a through hole is opened between the slot 19 and the rectangular cavity 16, the limiting rod passes through the through hole and extends to the inside of the slot 19, the end of the square rod 14 away from the movable plate 18 extends to the outside of the bottom plate 1, the end of the square rod 14 away from the movable plate 18 is fixedly connected to the hand plate 15, the second spring 17 is sleeved on the outside of the square rod 14, one end of the second spring 17 is fixedly connected to the movable plate 18, and the other end of the second spring 17 is fixedly connected to the inner wall of the rectangular cavity 16.

[0025] See also Figure 4 and Figure 5The inner wall of the expansion slot 6 is provided with a positioning slot, and the top of the expansion plate 5 is symmetrically provided with a sliding slot 11. The sliding plate 10 is slidably connected to the sliding slot 11. The interior of the expansion plate 5 is symmetrically provided with an L-shaped cavity 7. The interior of the L-shaped cavity 7 is slidably connected with an L-shaped rod 9. The outer side of the expansion plate 5 is symmetrically provided with a limiting hole, and an insertion rod 20 is provided inside the limiting hole. A first spring 8 is provided inside the L-shaped cavity 7. When the expansion plate 5 is installed, the two sliding plates 10 are moved relative to each other by hand, and the sliding plate 10 moves to drive the L-shaped rod 9 to move. The L-shaped rod 9 moves to squeeze the first spring 8, and the first spring 8 is squeezed and contracts, and the L-shaped rod 9 moves to drive the insertion rod 20 to move, and the insertion rod 20 moves to the inside of the limiting hole, and then the expansion plate 5 is inserted into the inside of the expansion slot 6, and then the two sliding plates 10 are released, and the first spring 8 is reset. The thrust generated by the reset of the first spring 8 drives the insertion rod 20 to be inserted into the inside of the positioning slot, thereby realizing the limited fixation of the expansion plate 5 and improving the firmness of the expansion plate 5 installed in the expansion slot 6.

[0026] See also Figure 4 and Figure 5 The insertion rod 20, L-shaped rod 9 and sliding plate 10 are integrally formed, the two ends of the L-shaped cavity 7 are respectively connected to the limiting hole and the sliding groove 11, one end of the first spring 8 is fixedly connected to the L-shaped rod 9, and the other end of the first spring 8 is fixedly connected to the inner wall of the L-shaped cavity 7. The top end of the sliding plate 10 extends to the top of the expansion plate 5.

[0027] Working principle: When it is necessary to install and connect two adjacent base plates 1, the two hand plates 15 are driven to move outward respectively. The outward movement of the hand plates 15 drives the square rod 14 to move outward. The movement of the square rod 14 drives the movable plate 18 to move. The movement of the movable plate 18 squeezes the second spring 17. The second spring 17 contracts due to the squeezing, and the movement of the movable plate 18 can drive the part of the limit rod located in the slot 19 to move out of the slot 19, and then insert the plug 12 into the corresponding slot 19, and then release the hand plate 15. The thrust generated by the reset of the second spring 17 drives the movable plate 18 and the limit rod to move, and the limit rod moves and is inserted into the inside of the limit groove 13, thereby completing the limitation of the plug block 12, that is, completing the modular splicing and installation of the two adjacent base plates 1.

[0028] The above description is merely a preferred embodiment of the present application and an illustration of the technical principles employed. Those skilled in the art should understand that the scope of the invention herein is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, but also encompasses other technical solutions formed by any combination of the above-mentioned technical features or their equivalents without departing from the inventive concept. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) technical features having similar functions disclosed in this application.

Claims

1. A modular expandable cable tray, comprising a base plate (1), a first vertical plate (2) symmetrically arranged on the top of the base plate (1), a second vertical plate (3) symmetrically hinged on the outside of the first vertical plate (2), a third vertical plate (4) hinged on the second vertical plate (3), and an expansion slot (6) provided on the third vertical plate (4), wherein two adjacent expansion slots (6) are detachably connected to expansion plates (5), characterized in that: One side of the base plate (1) is fixedly connected to an insert block (12), and a limiting groove (13) is symmetrically provided on the outer side of the insert block (12). The other side of the base plate (1) is provided with a slot (19) adapted to the insert block (12). A rectangular cavity (16) is symmetrically provided inside the base plate (1), and a movable plate (18) is slidably connected inside the rectangular cavity (16). One side of the movable plate (18) is fixedly connected to a limiting rod adapted to the limiting groove (13), and the other side of the movable plate (18) is fixedly connected to a square rod (14). A second spring (17) is provided inside the rectangular cavity (16).

2. The modular expandable cable tray according to claim 1, characterized in that: One end of the limiting rod away from the movable plate (18) extends to the inside of the slot (19), one end of the square rod (14) away from the movable plate (18) extends to the outside of the bottom plate (1), and one end of the square rod (14) away from the movable plate (18) is fixedly connected to a handheld plate (15).

3. The modular expandable cable tray according to claim 1, characterized in that: The second spring (17) is sleeved on the outside of the square rod (14), one end of the second spring (17) is fixedly connected to the movable plate (18), and the other end of the second spring (17) is fixedly connected to the inner wall of the rectangular cavity (16).

4. The modular expandable cable tray according to claim 1, characterized in that: The inner wall of the expansion slot (6) is provided with a positioning slot, the top of the expansion plate (5) is symmetrically provided with a sliding slot (11), the interior of the sliding slot (11) is slidably connected to a sliding plate (10), the interior of the expansion plate (5) is symmetrically provided with an L-shaped cavity (7), the interior of the L-shaped cavity (7) is slidably connected to an L-shaped rod (9), the outer side of the expansion plate (5) is symmetrically provided with a limiting hole, the interior of the limiting hole is provided with an insertion rod (20), and the interior of the L-shaped cavity (7) is provided with a first spring (8).

5. The modular expandable cable tray according to claim 4, characterized in that: The inserting rod (20), the L-shaped rod (9) and the sliding plate (10) are integrally formed, and the two ends of the L-shaped cavity (7) are respectively connected to the limiting hole and the sliding groove (11).

6. The modular expandable cable tray according to claim 4, characterized in that: One end of the first spring (8) is fixedly connected to the L-shaped rod (9), and the other end of the first spring (8) is fixedly connected to the inner wall of the L-shaped cavity (7). The top end of the sliding plate (10) extends above the expansion plate (5).

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