Telescopic connecting structure for grid bridge

Abstract

The utility model relates to a telescopic connecting structure for a grid bridge, and belongs to the technical field of grid type cable bridges. According to the utility model, the U-shaped framework is arranged as a foundation to be nested at the connecting end part of the two sections of grid bridges, and the longitudinal limiting pieces and the transverse limiting pieces are arranged to be accurately matched with each part of the grid bridges, so that the connection of the front grid bridge and the rear grid bridge can be realized only by clamping the U-shaped framework on the grids corresponding to the grid bridges; according to the utility model, the connection length can be adjusted, the telescopic adjustment of the front and back positions of the grid bridge frame can be realized by taking the device as a medium, and the original connection direction is kept under the limiting action of the longitudinal limiting piece and the transverse limiting piece, so that the adjustment of the connection length is realized, the operation and the assembly are convenient, the adjustment can be flexibly carried out, and the fault tolerance is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of telescopic connection structure for grid bridge, belong to the technical field of grid cable bridge. BACKGROUND

[0002] Grid cable bridge is a kind of structure for supporting and protecting cable, abbreviated as grid bridge, which is widely used in power, communication, industry and building fields. Its grid design and material make it superior in carrying and heat dissipation.

[0003] In recent years, with the large use of grid bridge in data center, the length of grid bridge required in the industry is gradually increased, and multiple grid bridges are needed to meet the demand. At present, when connecting grid bridges, it is generally necessary to cut standard length bridges to adapt to different connection length requirements, especially when connecting branch bridge and backbone bridge, a lot of time is spent to cut the bridge, which greatly reduces the work efficiency. And the fixed connection of the cut bridge is not flexible enough, when the length needs to be adjusted, the original cut bridge can only be disassembled and a new size is cut, which brings many inconveniences to actual engineering operation.

[0004] Therefore, it is necessary to find a method to conveniently connect two bridges and flexibly adapt to different length requirements. SUMMARY

[0005] To solve the above problems, the utility model provides a kind of telescopic connection structure for grid bridge, the telescopic connection structure is sleeved in the connecting end of the grid bridge, the grid bridge can be telescopic sliding in the telescopic connection structure, and the telescopic connection structure includes:

[0006] U-shaped framework, the width of the U-shaped framework is greater than the width of the grid bridge;

[0007] First longitudinal limiting piece, set to the top of both sides of the U-shaped framework, and at least a part is matched with the two sides of grid bridge;

[0008] Horizontal limiting piece, set to the bottom of U-shaped framework, including two parallel horizontal limiting units, at least a part between two horizontal limiting units and two longitudinal structure rods of middle part of grid bridge cooperate and play horizontal limiting effect to two longitudinal structure rods.

[0009] Further, the first longitudinal limiting piece includes a plurality of longitudinal straight line arrangement's curve rod structure recessed to the inside of U-shaped framework, and at least a part of the curve rod structure can be connected with the corresponding grid of both sides of grid bridge.

[0010] Furthermore, when the first longitudinal limiting member engages with the grid clip, it abuts against the lower surface of the outer edge of the top of both sides of the grid bridge.

[0011] Furthermore, a second longitudinal limiting member is provided below the first longitudinal limiting member. The second longitudinal limiting member is also provided inside both sides of the U-shaped frame, and at least a portion of the second longitudinal limiting member is engaged with the side rods of the corresponding grid on both sides of the grid bridge.

[0012] Furthermore, the second longitudinal limiting member includes a plurality of longitudinally arranged micro-curved rod structures recessed towards the inside of the U-shaped frame, wherein the width of the recessed portion of the micro-curved rod structure is smaller than the width of the recessed portion of the curved rod structure.

[0013] Furthermore, the lateral limiting member includes multiple longitudinally arranged bridge-shaped structures protruding towards the inside of the U-shaped frame, and at least a portion of the protruding parts of the bridge-shaped structures are engaged with the grid adjacent to both sides of the two longitudinal structural members.

[0014] Furthermore, when the bridge-shaped structure is connected to the grid, it abuts against two longitudinal structural members.

[0015] Furthermore, the bottom of the U-shaped frame is provided with reinforcing rods on both sides of the lateral limiting member.

[0016] The beneficial effects of this utility model are:

[0017] This utility model uses a U-shaped frame as a base nested at the connecting end of two sections of mesh cable tray. By setting longitudinal and transverse limiting components, it precisely matches various parts of the mesh cable tray. Simply snap this utility model onto the corresponding mesh of the mesh cable tray to connect the front and rear mesh cable trays. It also allows the mesh cable trays to be extended and retracted using this utility model as a medium. Under the limiting action of the longitudinal and transverse limiting components, the original connection direction is maintained, thereby achieving adjustment of the connection length. It is not only convenient to operate and assemble, but also flexible to adjust and has high fault tolerance. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a grid cable tray on one side of a retractable connection structure in one embodiment of the present invention;

[0019] Figure 2 This is a three-dimensional schematic diagram of a retractable connection structure in one embodiment of the present invention;

[0020] Figure 3 This is a cross-sectional view of the part of the retractable connection structure that cooperates with the grid cable tray in one embodiment of the present invention;

[0021] Figure 4A three-dimensional view of the telescopic connecting structure and the matching part of the grid bridge in an embodiment of the utility model;

[0022] In the drawing: 1, telescopic connecting structure; 11, U-shaped framework; 12, first longitudinal limiting piece; 13, transverse limiting piece; 14, second longitudinal limiting piece; 15, reinforcing rod piece; 2, grid bridge. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0025] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] Embodiment 1

[0027] In the utility model, "longitudinal" refers to the connecting direction of the grid bridge, "transverse" refers to the width direction of the grid bridge, and "inner and outer sides" refer to the half-enclosed inner side and outer side of the U-shaped framework.

[0028] As Figures 1-4 shown, the utility model provides a telescopic connecting structure 1 for grid bridge, the telescopic connecting structure 1 is sleeved in the connecting end part of the grid bridge 2 to be connected (the connecting end part of the grid bridge 2 to be connected is connected with the telescopic connecting structure 1, and the telescopic connecting structure 1 is connected with the grid bridge 2 to be connected through the connecting end part of the grid bridge 2 to be connected. Figure 1The grid bridge 2 can slide in and out of the telescopic connecting structure 1, and the telescopic connecting structure 1 comprises:

[0029] A U-shaped frame 11, the width of which is greater than that of the grid bridge 2;

[0030] A first longitudinal limiting member 12, which is arranged on the top of the two sides of the U-shaped frame and at least partially engages with the two sides of the grid bridge 2;

[0031] A transverse limiting member 13, which is arranged on the bottom of the U-shaped frame and comprises two parallel transverse limiting units, at least a part of which engages with the two longitudinal structural rods in the middle of the grid bridge and limits the two longitudinal structural rods in the transverse direction.

[0032] Further, the first longitudinal limiting member 12 comprises a plurality of linearly arranged curved rod structures recessed inwardly of the U-shaped frame, at least a part of which can engage with the corresponding grids on the two sides of the grid bridge 2. When the first longitudinal limiting member engages with the grid, it abuts against the lower surface of the outer edge of the top of the two sides of the grid bridge 2. Therefore, the first longitudinal limiting member 12 not only can precisely engage with the grid bridge 2 and limit the longitudinal displacement of the grid bridge 2, but also can guide the grid bridge 2 during sliding.

[0033] Further, the first longitudinal limiting member 12 is further provided with a second longitudinal limiting member 14, which is also arranged on the inside of the two sides of the U-shaped frame 11, and at least a part of the second longitudinal limiting member 14 engages with the side rods of the corresponding grids on the two sides of the grid bridge 2. The second longitudinal limiting member 14 comprises a plurality of linearly arranged micro curved rod structures recessed inwardly of the U-shaped frame 11, the recessed part of the micro curved rod structure being smaller in width than the recessed part of the curved rod structure. Therefore, the second longitudinal limiting member 14 can further precisely engage with the grid bridge 2 and limit the longitudinal displacement of the grid bridge 2, and also can guide the grid bridge 2 during sliding.

[0034] Further, the transverse limiting member 13 comprises a plurality of linearly arranged bridge structures protruding inwardly of the U-shaped frame, at least a part of the protruding part of the bridge structure engaging with the adjacent grids on the two sides of the two longitudinal structural rods. When the bridge structure engages with the grid, it abuts against the two longitudinal structural rods. The transverse limiting member 13 can limit the transverse displacement of the grid bridge 2 and also can guide the grid bridge 2.

[0035] In addition, the telescopic connecting structure 1 is preferably made of a material with elasticity, the bottom of the U-shaped framework 11 is provided with a reinforcing rod 15 on both sides of the transverse limiting piece, the stability of the overall structure is improved, the stress distribution during clamping is more uniform, and the limiting piece is prevented from breaking.

[0036] When two grid bridges 2 need to be connected, a part of the telescopic connecting structure 1 can be connected with the connecting end of one of the grid bridges 2, the appropriate number of grids is rotated according to the actual connection length requirement to be clamped, so that the first longitudinal limiting piece 12, the transverse limiting piece 13 and the second longitudinal limiting piece 14 are respectively embedded in the corresponding grid position, and the other grid bridge can also be operated according to the above operation; during the process, if length adjustment is required, the grid bridge 2 can be pushed forward and backward, so that the first longitudinal limiting piece 12, the transverse limiting piece 13 and the second longitudinal limiting piece 14 are simultaneously popped out of the corresponding grid and find the corresponding grid of new requirement to be clamped.

[0037] Although the utility model has disclosed as above with preferable embodiments, it is not used to limit the utility model, anyone familiar with this technology can make various changes and modifications without departing from the spirit and scope of the utility model, therefore the protection scope of the utility model should be limited by the claims.

Claims

1. A retractable connection structure for a mesh cable tray, characterized in that, The retractable connection structure is sleeved on the connecting end of the mesh cable tray, and the mesh cable tray can slide and extend within the retractable connection structure. The retractable connection structure includes: The U-shaped frame has a width greater than the width of the mesh cable tray; The first longitudinal limiting member is disposed at the top of both sides of the U-shaped frame, and at least a portion thereof is engaged with both sides of the grid cable tray. A lateral limiting component is installed at the bottom of the U-shaped frame, comprising two parallel lateral limiting units. At least a portion of the two lateral limiting units cooperates with two longitudinal structural members in the middle of the grid cable tray and provides lateral limiting for the two longitudinal structural members.

2. The retractable connection structure for a mesh cable tray according to claim 1, characterized in that, The first longitudinal limiting member includes a plurality of longitudinally arranged curved rod structures recessed into the U-shaped frame, at least a portion of which can engage with the corresponding grids on both sides of the grid bridge.

3. The retractable connection structure for a mesh cable tray according to claim 2, characterized in that, When the first longitudinal limiting member engages with the grid clip, it abuts against the lower surface of the outer edge of the top of both sides of the grid bridge.

4. The retractable connection structure for a mesh cable tray according to claim 3, characterized in that, A second longitudinal limiting member is also provided below the first longitudinal limiting member. The second longitudinal limiting member is also provided inside both sides of the U-shaped frame. At least a portion of the second longitudinal limiting member is engaged with the side rods of the corresponding grid on both sides of the grid bridge.

5. The retractable connection structure for a mesh cable tray according to claim 4, characterized in that, The second longitudinal limiting member includes a plurality of longitudinally arranged micro-curved rod structures recessed into the U-shaped frame, wherein the width of the recessed portion of the micro-curved rod structure is smaller than the width of the recessed portion of the curved rod structure.

6. The retractable connection structure for a mesh cable tray according to claim 1, characterized in that, The lateral limiting member includes multiple longitudinally arranged bridge-shaped structures protruding towards the inside of the U-shaped frame, and at least a portion of the protruding parts of the bridge-shaped structures are engaged with the grid adjacent to both sides of the two longitudinal structural members.

7. The retractable connection structure for a mesh cable tray according to claim 6, characterized in that, When the bridge-type structure is connected to the grid, it abuts against two longitudinal structural members.

8. The retractable connection structure for a mesh cable tray according to claim 1, characterized in that, The bottom of the U-shaped frame has reinforcing rods on both sides of the lateral limiting member.

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