Electrical pipeline connecting device between prefabricated staircase and cast-in-place structure

Abstract

The utility model provides an electrical pipeline connecting device between a prefabricated stair and a cast-in-place structure, which comprises an upper shell and a lower shell, wire guiding devices are arranged in the upper shell and the lower shell, each wire guiding device comprises a connecting roller, and a second clamping block is arranged at the diagonal position of a first clamping block. According to the utility model, the structure is simple, the upper shell and the lower shell are convenient to align and install, multiple clamping structures are arranged to fixedly connect the upper shell and the lower shell, a wire harness is clamped through the two wire collecting grooves, and when the passing wire harness is thicker, the two elastic telescopic rods contract towards the top side and the bottom side at the moment, so that the wire harness is prevented from being damaged. By arranging the elastic telescopic rod, the space formed by the two take-up grooves is increased, wire harnesses of different sizes and models can conveniently pass through the take-up grooves, the wire harnesses can be conveniently pulled after passing through the take-up grooves through the arranged connecting rollers, and when the direction is changed to pull the wire harnesses, the wire harnesses can be conveniently pulled through contraction and extension of the elastic telescopic rod and rolling of the connecting rollers. And wire harness breakage and surface scratch can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline connection devices, in particular to an electrical pipeline connection device between a prefabricated staircase and a cast-in-place structure. Background Art

[0002] The electrical pipeline connection device can protect the cable body and improve the safety of use. The connection sleeve is often used to connect the pipelines. A protective device is usually set at the connection of the electrical engineering pipeline to protect the electrical engineering pipeline to prevent the electrical pipeline connection from falling off and causing damage to the cable. However, the existing device is not convenient for alignment and splicing during installation, and the wire harness will be broken and the surface will be scratched at the threading hole of the connection device when the wire harness is pulled after connection, and the size of the space through which the wire harness passes cannot be adjusted according to the size of the wire harness.

[0003] Therefore, it is necessary to propose a new technical solution to improve the above technical problems. Utility Model Content

[0004] In view of the defects in the prior art, the purpose of the utility model is to provide an electrical pipeline connection device between a prefabricated staircase and a cast-in-place structure.

[0005] According to the utility model, an electrical pipeline connection device between a prefabricated staircase and a cast-in-place structure comprises: an upper shell and a lower shell, wherein the upper shell and the lower shell are both provided with a wire device inside, wherein the wire device comprises a connecting roller, wherein a wire receiving groove is provided in the center of the connecting roller, and the connecting roller is connected to the upper shell or the lower shell through an elastic component;

[0006] L-shaped connecting blocks are arranged opposite to each other on both sides of the bottom end of the upper shell, and connecting slots are provided on the surface of the L-shaped connecting blocks. U-shaped blocks are arranged on both sides of the inner bottom end of the lower shell, and elastic blocks are arranged on the opposite sides of the opening of the U-shaped blocks, and the connecting slots are connected to the elastic blocks.

[0007] The lower shell half surrounds the upper shell, a first card slot is provided at a corner of the bottom side of both ends of the upper shell, a second card slot is provided at the diagonal of the first card slot, a first card block is provided at a corner of both sides of the inner wall of the lower shell, and a second card block is provided at the diagonal of the first card block;

[0008] The upper shell is connected to the lower shell, and the wire collection groove on the upper shell and the wire collection groove on the lower shell cooperate to clamp the wire harness.

[0009] Preferably, the elastic component comprises a connecting shaft connected to both sides of the connecting roller, a connecting bearing is sleeved on the surface of the connecting shaft, and an elastic telescopic rod is connected to the surface of the connecting bearing.

[0010] Preferably, the wire take-up groove gradually shrinks and sinks from both ends of the axial direction to the middle.

[0011] Preferably, the outer surface of the wire collection groove is a smooth curved surface.

[0012] Preferably, the elastic telescopic rod comprises a connecting tube, a connecting spring is arranged inside the connecting tube, a supporting rod is arranged on the top of the connecting spring, and the supporting rod is slidably sleeved inside the connecting tube.

[0013] Preferably, limiting screw holes are provided at the centers of both sides of the upper shell and the lower shell, and limiting bolts are provided inside the limiting screw holes.

[0014] Preferably, a vertical wire outlet groove is provided in the center of one side of the lower shell.

[0015] Preferably, a connecting slide groove is provided on one side of the upper shell, the connecting slide groove is connected to the second clamping groove, and the connecting slide groove is slidably connected to the second clamping block.

[0016] Preferably, the first clamping block is snap-connected to the first clamping slot, and the second clamping block is snap-connected to the second clamping slot.

[0017] Preferably, a fixing block is provided on the top surface of the upper shell, and a fixing screw hole is opened on the surface of the fixing block.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model has a simple structure, is convenient for aligning and installing the upper shell and the lower shell, and is provided with a multiple clamping structure so that the upper shell and the lower shell are fixedly connected, thereby enhancing their fixing ability, and clamps the wire harness through the two wire receiving grooves. When the wire harness passing through is thicker, the two elastic telescopic rods contract toward the top and bottom sides at this time, so that the space formed by the two wire receiving grooves is increased, thereby facilitating the passage of wire harnesses of different sizes and models, and the provided connecting roller can facilitate the pulling of the wire harness after passing through the wire receiving groove, and when changing the direction to pull the wire harness, the wire harness can be prevented from being broken and the surface scratched through the contraction and extension of the elastic telescopic rod and the rolling of the connecting roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is an exploded view of the utility model;

[0023] Figure 3 This is a schematic diagram of the plane structure of the elastic telescopic rod of the utility model;

[0024] Figure 4 This is a schematic diagram of the connecting roller structure of the utility model;

[0025] Figure 5 It is a schematic diagram of the structure of the upper shell part of the utility model.

[0026] in:

[0027] Upper shell 1 connecting pipe 13

[0028] Lower housing 2 Connecting spring 14

[0029] Wire guide device 3 Support rod 15

[0030] Connecting roller 4 L-shaped connecting block 16

[0031] Wire collection slot 5 Connection slot 17

[0032] Connecting shaft 6 U-block 18

[0033] Connecting bearing 7 Elastic block 19

[0034] Elastic telescopic rod 8 Limit screw hole 20

[0035] First slot 9 Limit bolt 21

[0036] Second card slot 10 Outlet slot 22

[0037] First clamping block 11 Fixed block 23

[0038] Second clamping block 12 fixing screw hole 24

[0039] Connecting chute 25 DETAILED DESCRIPTION

[0040] The utility model is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for those of ordinary skill in the art, several changes and improvements can be made without departing from the concept of the utility model. These all belong to the protection scope of the utility model.

[0041] Embodiment 1:

[0042] According to the utility model, an electrical pipeline connection device between a prefabricated staircase and a cast-in-place structure is provided, comprising: an upper shell 1 and a lower shell 2, wherein a wire device 3 is arranged inside the upper shell 1 and the lower shell 2, wherein the wire device 3 comprises a connecting roller 4, wherein a wire receiving groove 5 is provided at the center of the connecting roller 4, and the connecting roller 4 is connected to the upper shell 1 or the lower shell 2 through an elastic component;

[0043] The upper shell 1 is provided with opposite L-shaped connecting blocks 16 on both sides of the bottom end, and the surface of the L-shaped connecting block 16 is provided with connecting card slots 17. The lower shell 2 is provided with U-shaped blocks 18 on both sides of the inner bottom end, and the opening opposite sides of the U-shaped block 18 are provided with elastic card blocks 19, and the connecting card slots 17 are engaged with the elastic card blocks 19.

[0044] The lower shell 2 half surrounds the upper shell 1. A first card slot 9 is provided at a corner of the bottom side of both ends of the upper shell 1. A second card slot 10 is provided at a diagonal position of the first card slot 9. A first card block 11 is provided at a corner of both sides of the inner wall of the lower shell 2. A second card block 12 is provided at a diagonal position of the first card block 11.

[0045] The upper shell 1 and the lower shell 2 are connected, and the wire collection groove 5 on the upper shell 1 and the wire collection groove 5 on the lower shell 2 cooperate to clamp the wire harness.

[0046] The elastic component includes a connecting shaft 6 connected to both sides of the connecting roller, the surface of the connecting shaft 6 is sleeved with a connecting bearing 7, and the surface of the connecting bearing 7 is connected with an elastic telescopic rod 8; the wire take-up groove 5 gradually shrinks and concave from both ends of the axial direction to the middle; the outer surface of the wire take-up groove 5 is a smooth arc surface; the elastic telescopic rod 8 includes a connecting tube 13, the interior of the connecting tube 13 is provided with a connecting spring 14, the top of the connecting spring 14 is provided with a support rod 15, and the support rod 15 is slidably sleeved inside the connecting tube 13; the center of both sides of the upper shell 1 and the lower shell 2 A limiting screw hole 20 is provided, and a limiting bolt 21 is provided inside the limiting screw hole 20; a vertical wire outlet groove 22 is provided in the center of one side of the lower shell 2; a connecting slide groove 25 is provided on one side of the upper shell 1, and the connecting slide groove 25 is connected to the second card slot 10, and the connecting slide groove 25 is slidably connected to the second card block 12; the first card block 11 is snap-connected with the first card slot 9, and the second card block 12 is snap-connected with the second card slot 10; a fixing block 23 is provided on the top surface of the upper shell 1, and a fixing screw hole 24 is opened on the surface of the fixing block 23.

[0047] Embodiment 2:

[0048] The purpose of the utility model is to provide an electrical pipeline connection device between a prefabricated staircase and a cast-in-place structure in order to solve the above-mentioned problem.

[0049] like Figure 1-5 As shown, it includes an upper shell 1 and a lower shell 2, and a wire device 3 is arranged inside the upper shell 1 and the lower shell 2. The wire device 3 includes a connecting roller 4, a wire collection groove 5 is opened in the center of the connecting roller 4, and connecting shafts 6 are arranged on both sides of the connecting roller 4. The surface of the connecting shaft 6 is sleeved with a connecting bearing 7, and the surface of the connecting bearing 7 is connected to an elastic telescopic rod 8. The lower shell 2 half surrounds the upper shell 1, and a first card slot 9 is arranged at a corner of the bottom side of both ends of the upper shell 1, and a second card slot 10 is arranged at the diagonal of the first card slot 9. A first card block 11 is arranged at a corner of both sides of the inner wall of the lower shell 2, and a second card block 12 is arranged at the diagonal of the first card block 11.

[0050] Furthermore, the elastic telescopic rod 8 includes a connecting tube 13, a connecting spring 14 is arranged inside the connecting tube 13, a support rod 15 is arranged on the top of the connecting spring 14, and the support rod 15 is slidably sleeved inside the connecting tube 13. When the upper shell 1 and the lower shell 2 are installed, the two wire devices 3 are axially symmetrical, and the space formed by the two wire taking-up grooves 5 is convenient for the wire harness to pass through. After the wire harness passes through, when the wire harness needs to be pulled later, the wire harness passes through the space formed by the two wire taking-up grooves 5. When the wire harness passed through is thicker, the two elastic telescopic rods 8 shrink in both the top and bottom directions, so that the space formed by the two wire taking-up grooves 5 is increased, thereby facilitating the passage of wire harnesses of different sizes and models, and the provided connecting roller 4 can facilitate the pulling of the wire harness after passing through the wire taking-up groove 5, thereby avoiding the wire harness from breaking and surface scratches.

[0051] Relative L-shaped connecting blocks 16 are provided on both sides of the bottom end of the upper shell 1, and connecting slots 17 are provided on the surface of the L-shaped connecting blocks 16. U-shaped blocks 18 are provided on both sides of the inner bottom end of the lower shell 2, and elastic blocks 19 are provided on the opposite sides of the opening of the U-shaped block 18. The connecting slots 17 and the elastic blocks 19 are engaged with each other. During installation, the L-shaped connecting blocks 16 are aligned with the gap between the U-shaped blocks 18, so that the elastic blocks 19 are inserted into the connecting slots 17, so that the U-shaped blocks 18 clamp the L-shaped connecting blocks 16, and the upper shell 1 and the lower shell 2 are installed and fixedly connected.

[0052] Limiting screw holes 20 are provided in the center of both sides of the upper shell 1 and the lower shell 2, and limiting bolts 21 are provided inside the limiting screw holes 20. After the upper shell 1 and the lower shell 2 are snapped together, the limiting bolts 21 penetrate the limiting screw holes 20 of the upper shell 1 and the lower shell 2, so that the upper shell 1 and the lower shell 2 are fixedly connected.

[0053] A vertical wire outlet groove 22 is provided at the center of one side of the lower housing 2, and the wire harness can pass through the wire outlet groove 22.

[0054] A connecting slot 25 is provided on one side of the upper shell 1, and the connecting slot 25 is connected to the second card slot 10, and the connecting slot 25 is slidably connected to the second card block 12. When the upper shell 1 and the lower shell 2 are installed, the second card block 12 is aligned with the inside of the connecting slot 25, and then the lower shell 2 slides vertically upward, so that the lower shell 2 approaches the upper shell 1. When the second card block 12 slides into the top of the connecting slot 25, the second card block 12 is inserted into the inside of the second card slot 10, so that the upper shell 1 and the lower shell 2 are connected and fixed.

[0055] The first card block 11 is snap-connected with the first card slot 9, and the second card block 12 is snap-connected with the second card slot 10. By aligning the second card block 12 with the inside of the connecting slide slot 25 and then sliding the lower shell 2 vertically upward, the lower shell 2 is moved closer to the upper shell 1. When the second card block 12 slides into the top of the connecting slide slot 25, the second card block 12 is snap-connected into the inside of the second card slot 10, and the first card block 11 is snap-connected with the first card slot 9, so that the upper shell 1 is connected and fixed to the lower shell 2.

[0056] A fixing block 23 is disposed on the top surface of the upper shell 1 , and a fixing screw hole 24 is opened on the surface of the fixing block 23 . The upper shell 1 is fixed to the wall by passing screws through the fixing screw holes 24 and connecting the upper shell 1 to the wall.

[0057] Specifically, during installation and use, the upper shell 1 is fixed to the wall by passing the screws through the fixing screw holes 24, and then the second clamping block 12 is aligned with the inside of the connecting slide groove 25, and then the lower shell 2 is slid vertically upward to make the lower shell 2 close to the upper shell 1. When the second clamping block 12 slides into the top of the connecting slide groove 25, the second clamping block 12 is clamped into the inside of the second clamping groove 10, and the first clamping block 11 is clamped with the first clamping groove 9 at this time, so that the elastic clamping block 19 is clamped into the connecting clamping groove 17, so that the U-shaped block 18 clamps the L-shaped connecting block 16, and the upper shell 1 and the lower shell 2 are installed and fixedly connected, and the limiting bolts 21 are passed through the limiting screw holes 20 of the upper shell 1 and the lower shell 2 to make the upper shell 1 and the lower shell 2 fixedly connected. Under the condition of multiple clamping, the upper shell 1 is fixedly connected to the lower shell body 2 to enhance its fixing ability. When the upper shell body 1 and the lower shell body 2 are installed, the two wire devices 3 are axially symmetrical, and the space formed by the two wire receiving grooves 5 is convenient for the wire harness to pass through. After the wire harness passes through, when the wire harness needs to be pulled later, the wire harness passes through the space formed by the two wire receiving grooves 5, and the two wire receiving grooves 5 clamp the wire harness. When the passed wire harness is thicker, the two elastic telescopic rods 8 shrink toward the top and bottom sides at this time, so that the space formed by the two wire receiving grooves 5 is increased, thereby facilitating the passage of wire harnesses of different sizes and models, and the provided connecting roller 4 can facilitate the pulling of the wire harness after passing through the wire receiving groove 5, and when the direction of pulling the wire harness is changed, the wire harness can be prevented from being broken and the surface scratched by the contraction and extension of the elastic telescopic rod 8 and the rolling of the connecting roller 4.

[0058] The utility model provides a wire harness fixing device that is easy to align and install. The device realizes the functions of easy alignment and installation and fixed connection through the structural design of the upper shell and the lower shell. Among them, the wire device inside the upper shell and the lower shell adopts the design of connecting rollers and wire collection grooves, which can conveniently clamp and pass wire harnesses of different sizes, and at the same time adapt to wire harnesses of different thicknesses through the telescopic adjustment of the elastic telescopic rod. In addition, the multiple clamping structures between the upper shell and the lower shell, including the clamping of the first clamping slot and the first clamping block, the second clamping slot and the second clamping block, and the L-shaped connecting block, the U-shaped block and the elastic clamping block, enhance the fixing ability of the device. At the same time, by setting the limiting screw hole and the limiting bolt, the fixed connection of the upper shell and the lower shell is further ensured. The overall structure is simple and easy to install, and it can effectively fix and protect the wire harness to avoid wire harness breakage and surface scratches.

[0059] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0060] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other at will.

Claims

1. An electrical pipeline connection device between a prefabricated staircase and a cast-in-place structure, characterized in that: include: An upper shell (1) and a lower shell (2), wherein a wire guide device (3) is disposed inside the upper shell (1) and the lower shell (2), wherein the wire guide device (3) comprises a connecting roller (4), wherein a wire receiving groove (5) is provided at the center of the connecting roller (4), and the connecting roller (4) is connected to the upper shell (1) or the lower shell (2) via an elastic component; L-shaped connecting blocks (16) are arranged opposite to each other on both sides of the bottom end of the upper shell (1), and connecting slots (17) are provided on the surface of the L-shaped connecting blocks (16); U-shaped blocks (18) are arranged on both sides of the inner bottom end of the lower shell (2), and elastic blocks (19) are arranged on the opposite sides of the opening of the U-shaped blocks (18), and the connecting slots (17) are engaged with the elastic blocks (19); The lower shell (2) half surrounds the upper shell (1); a first card slot (9) is provided at a corner of the bottom side of both ends of the upper shell (1); a second card slot (10) is provided at a diagonal position opposite to the first card slot (9); a first card block (11) is provided at a corner of both sides of the inner wall of the lower shell (2); a second card block (12) is provided at a diagonal position opposite to the first card block (11); The upper shell (1) and the lower shell (2) are connected, and the wire collection groove (5) on the upper shell (1) and the wire collection groove (5) on the lower shell (2) cooperate to clamp the wire harness.

2. The electrical pipeline connection device between the prefabricated staircase and the cast-in-place structure according to claim 1, characterized in that: The elastic component comprises a connecting shaft (6) connected to two sides of the connecting roller, a connecting bearing (7) is sleeved on the surface of the connecting shaft (6), and an elastic telescopic rod (8) is connected to the surface of the connecting bearing (7).

3. The electrical pipeline connection device between the prefabricated staircase and the cast-in-place structure according to claim 1, characterized in that: The wire collection groove (5) gradually shrinks and sinks from both ends of the axial direction to the middle.

4. The electrical pipeline connection device between the prefabricated staircase and the cast-in-place structure according to claim 1, characterized in that: The outer surface of the wire collection groove (5) is a smooth cambered surface.

5. The electrical pipeline connection device between the prefabricated staircase and the cast-in-place structure according to claim 2, characterized in that: The elastic telescopic rod (8) comprises a connecting tube (13), a connecting spring (14) is arranged inside the connecting tube (13), a supporting rod (15) is arranged on the top of the connecting spring (14), and the supporting rod (15) is slidably sleeved inside the connecting tube (13).

6. The electrical pipeline connection device between the prefabricated staircase and the cast-in-place structure according to claim 1, characterized in that: Limiting screw holes (20) are arranged at the centre of both sides of the upper shell (1) and the lower shell (2), and limiting bolts (21) are arranged inside the limiting screw holes (20).

7. The electrical pipeline connection device between the prefabricated staircase and the cast-in-place structure according to claim 1, characterized in that: A vertical wire outlet groove (22) is provided in the center of one side of the lower housing (2).

8. The electrical pipeline connection device between the prefabricated staircase and the cast-in-place structure according to claim 1, characterized in that: A connecting slide groove (25) is provided on one side of the upper shell (1), the connecting slide groove (25) is connected to the second clamping groove (10), and the connecting slide groove (25) is slidably connected to the second clamping block (12).

9. The electrical pipeline connection device between the prefabricated staircase and the cast-in-place structure according to claim 1, characterized in that: The first clamping block (11) is clamped and connected to the first clamping slot (9), and the second clamping block (12) is clamped and connected to the second clamping slot (10).

10. The electrical pipeline connection device between the prefabricated staircase and the cast-in-place structure according to claim 1, characterized in that: A fixing block (23) is provided on the top surface of the upper shell (1), and a fixing screw hole (24) is opened on the surface of the fixing block (23).

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