Metal wire duct for elevator shaft

Abstract

The utility model discloses a metal wire duct for an elevator shaft, which belongs to the technical field of wire ducts and comprises wire duct boxes, two ends of each wire duct box are movably connected with connecting pieces, the top of each wire duct box is movably clamped with a cover plate, one end of each connecting piece is positioned in the corresponding wire duct box, and the other end of each connecting piece is positioned on the outer side of the corresponding wire duct box. The connecting piece positioned on the outer side of the wire slot box is connected with the adjacent wire slot box; the wiring duct box is connected through the arranged connecting piece, the seam of the wiring duct box is shielded, the seam does not need to be processed, the influence of the installation height difference of the wiring duct box on the cable is eliminated, the practicability of the device is improved, and the power transmission safety is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of wire troughs, in particular to a metal wire trough for an elevator shaft. Background Art

[0002] A wire trough, also known as a wire raceway, is an electrical tool for standardizing and organizing wire materials such as power lines and data lines. For some high-power electrical equipment such as elevators and distribution rooms, cables are required to conduct the circuit. The cable wire trough is generally a metal wire trough, which has stronger strength and protection performance.

[0003] When in use, the metal wire trough is generally relatively long and needs to be composed of multiple sections spliced together to form a complete wire routing. When connecting existing metal wire troughs, iron sheets are generally used to connect two wire troughs, and bolts or welding are used to fix the iron sheets. The connection of the metal wire troughs is prone to height differences, which can cause wear to the cables and affect the power transmission safety. Therefore, a metal wire trough for an elevator shaft is proposed. Summary of the Utility Model

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a metal wire trough for an elevator shaft, which uses a connecting piece to connect the wire trough boxes, blocks the joints of the wire trough boxes, eliminates the influence of the height difference at the connection of the wire trough boxes on the cables, is beneficial to improving the practicability of the device, and ensures the power transmission safety.

[0005] To solve the above technical problems, the utility model provides the following technical solution: A metal wire trough for an elevator shaft, comprising a wire trough box, both ends of the wire trough box are movably connected with connecting pieces, a cover plate is movably clamped on the top of the wire trough box, one end of the connecting piece is located inside the wire trough box, and the other end of the connecting piece is located outside the wire trough box. When two wire trough boxes are connected, the connecting piece located outside the wire trough box is connected to the adjacent wire trough box.

[0006] Preferably, the top of the wire trough box is provided with an integrally formed top plate, the top of the connecting piece is provided with an integrally formed connecting plate, the connecting plate is movably abutted against the bottom of the top plate, both ends of the wire trough box are penetrated with first installation waist-shaped holes, and the surface of the connecting piece is penetrated with a plurality of second installation waist-shaped holes, and the second installation waist-shaped holes are matched with the first installation waist-shaped holes.

[0007] Preferably, the bottom of the cover plate is provided with an integrally formed clamping plate, one end of the bottom of the clamping plate is provided with a tongue plate, the clamping plate is movably clamped inside the top plate, and the tongue plate is movably clamped inside the connecting plate.

[0008] Preferably, third installation waist-shaped holes are penetrated and opened at both ends of the cover plate. The third installation waist-shaped holes correspond to the positions of the first installation waist-shaped holes. A plurality of second installation screw holes are penetrated and opened on the cover plate at equidistant intervals. A plurality of first installation screw holes are penetrated and opened on the top plate at equidistant intervals. The second installation screw holes and the first installation screw holes are mutually matched.

[0009] Preferably, a partition plate is vertically and fixedly installed inside the connecting member, and the bottom of the tongue plate is movably abutted against the top of the partition plate.

[0010] Preferably, a rubber sleeve is coated on the surface of the connecting member.

[0011] Compared with the prior art, the beneficial effects that the present utility model can achieve are:

[0012] 1. By arranging the connecting member to connect the wire duct boxes and covering the joints of the wire duct boxes, there is no need to process the joints, eliminating the influence of the height difference in the installation of the wire duct boxes on the cables, which is beneficial to improving the practicability of the device and ensuring the safety of power transmission.

[0013] 2. By arranging the waist-shaped holes on the wire duct boxes and the connecting members and using the waist-shaped holes for connection and fixation, when the wire duct boxes are spliced, the adjustment range of the fitting gap of the wire duct boxes is larger, reducing the construction difficulty, improving the installation efficiency of the construction, and further improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of a metal wire duct for an elevator shaft in the embodiment;

[0015] Figure 2 is an exploded view A of the overall structure of a metal wire duct for an elevator shaft in the embodiment;

[0016] Figure 3 is an exploded view B of the overall structure of a metal wire duct for an elevator shaft in the embodiment;

[0017] Figure 4 is a schematic diagram of the assembly structure of a metal wire duct for an elevator shaft in the embodiment;

[0018] Among them: 1. Wire duct box; 11. Top plate; 12. First installation waist-shaped hole; 13. First installation screw hole; 2. Connecting member; 21. Connecting plate; 22. Second installation waist-shaped hole; 23. Partition plate; 3. Cover plate; 31. Clamping plate; 32. Tongue plate; 33. Third installation waist-shaped hole; 34. Second installation screw hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following will be described in detail through specific embodiments in conjunction with the Figures 1 - 4 description of the drawings to illustrate the technical solutions of the present utility model.

[0020] Embodiment:

[0021] As Figure 1 shown, a metal wire duct for an elevator shaft provided by the present utility model includes a wire duct box 1. Both ends of the wire duct box 1 are movably connected with connectors 2. The top of the wire duct box 1 is movably clamped with a cover plate 3. One end of the connector 2 is located inside the wire duct box 1, and the other end is located outside the wire duct box 1.

[0022] As Figure 2 and Figure 3 shown, the top of the wire duct box 1 is provided with an integrally formed top plate 11. Both ends of the two sides of the wire duct box 1 are respectively provided with first installation waist-shaped holes 12. The wire duct box 1 is provided with a plurality of equally spaced first installation screw holes 13 penetrating through the top plate 11. The top of the connector 2 is provided with an integrally formed connecting plate 21. The top of the connecting plate 21 is movably abutted against the bottom of the top plate 11. The connector 2 is provided with a second installation waist-shaped hole 22. The second installation waist-shaped hole 22 is matched with the first installation waist-shaped hole 12. A partition plate 23 is vertically and fixedly installed at the inner bottom of the connector 2. The bottom of the cover plate 3 is provided with an integrally formed clamping plate 31. One end of the bottom of the clamping plate 31 is provided with a tongue plate 32. Both ends of the surface of the cover plate 3 are respectively provided with third installation waist-shaped holes 33. The third installation waist-shaped holes 33 correspond to the positions of the first installation waist-shaped holes 12. The cover plate 3 is provided with a plurality of equally spaced second installation screw holes 34. The second installation screw holes 34 correspond to the positions of the first installation screw holes 13. The clamping plate 31 is movably clamped inside the top plate 11 at the top of the wire duct box 1. The tongue plate 32 is movably clamped inside the connecting plate 21. The bottom of the tongue plate 32 is movably abutted against the top of the partition plate 23. The bottom of the cover plate 3 is attached to the top of the top plate 11.

[0023] As Figure 4 shown, in combination with Figures 1 - 4 , when adjacent wire duct boxes 1 are abutted, the connector 2 is located at the connection of adjacent wire duct boxes 1, and the tongue plate 32 is abutted against the bottom of the clamping plate 31 on the adjacent cover plate 3.

[0024] It should be noted that in this embodiment, the surface of the connector 2 is coated with a rubber sleeve.

[0025] Assembly steps: When installing the metal wire duct, first, install the connector 2 according to as Figure 1As shown, it is connected to the wire duct box 1. The positions of the second installation waist-shaped holes 22 correspond to those of the first installation waist-shaped holes 12. Bolts are inserted into the second installation waist-shaped holes 22 and the first installation waist-shaped holes 12, and the bolts are tightened to fix the wire duct box 1 and the connecting piece 2 together. The wire duct box 1 is placed on the wall or mounting bracket for wire routing. Expansion bolts are inserted into the second installation waist-shaped holes 22 inside the connecting piece 2. The expansion bolts pass through the second installation waist-shaped holes 22 and the first installation waist-shaped holes 12 and are embedded in the wall or mounting bracket, and the expansion bolts are tightened to fix the wire duct box 1 on the wall. The wire duct box 1 is assembled, and the assembled wire duct box 1 and the connecting piece 2 are tightened according to the above steps to complete the installation of the metal wire duct. Then, wire routing is carried out inside the wire duct box 1, and the cables are classified and led into different wire duct boxes 1, so that the cables pass through the space enclosed by the side wall of the connecting piece 2 and the partition plate 23. The cables inside the wire duct box 1 are classified. After the wire routing is completed, the cover plate 3 is covered on the surface of the wire duct box 1. The tongue plate 32 is snapped into the connecting plate 21, and the clamping plate 31 is snapped into the top plate 11 to close the wire duct box 1. The positions of the third installation waist-shaped holes 33 and the second installation screw holes 34 correspond to those of the first installation waist-shaped holes 12 and the first installation screw holes 13 on the top plate 11. Bolts are inserted into the third installation waist-shaped holes 33 and the first installation waist-shaped holes 12 for fixation, and self-tapping screws are inserted into the second installation screw holes 34 and the first installation screw holes 13 to complete the installation of the cover plate 3. The metal wire duct is assembled completely.

[0026] Working principle: The connecting piece 2 is used to connect adjacent wire duct boxes 1, and the connection is very firm. Moreover, the connecting piece 2 overlaps at the joint of the wire duct boxes 1 to cover the joint where the two wire duct boxes 1 are connected, eliminating the need to process the joint, eliminating the height difference at the connection of the wire duct boxes 1, and protecting the cables routed inside the wire duct boxes 1. Waist-shaped holes are provided on the cover plate 3 to connect the wire duct box 1, the connecting piece 2, and the cover plate 3, making the integrity of the metal wire duct stronger. The connection between the wire duct box 1 and the connecting piece 2 adopts the design of waist-shaped holes, with a larger range of installation connection gaps for the wire duct box 1 and higher fault tolerance, greatly reducing the installation difficulty and improving the installation efficiency. The clamping plate 31 and the tongue plate 32 on the cover plate 3 are clamped into the top plate 11 and the connecting plate 21 to close the wire duct box 1 and the connecting piece 2, further protecting the cables and assisting in fixing the cover plate 3, reducing the installation difficulty of the cover plate 3 and improving the installation stability of the cover plate 3. A partition plate 23 is arranged inside the connecting piece 2 to classify the cables inside the wire duct box 1, making the wire routing more regular and beautiful, which is beneficial to improving the practicality of the metal wire duct.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal wire duct for an elevator shaft, comprising a wire duct box (1), characterized in that: Both ends of the wire duct box (1) are movably connected with connecting pieces (2). A cover plate (3) is movably clamped on the top of the wire duct box (1). One end of the connecting piece (2) is located inside the wire duct box (1), and the other end of the connecting piece (2) is located outside the wire duct box (1). When two wire duct boxes (1) are connected, the connecting piece (2) located outside the wire duct box (1) is connected to the adjacent wire duct box (1).

2. The metal wire duct for an elevator shaft according to claim 1, wherein: An integrally formed top plate (11) is provided on the top of the wire duct box (1). An integrally formed connecting plate (21) is provided on the top of the connecting piece (2). The connecting plate (21) is movably abutted against the bottom of the top plate (11). First installation waist-shaped holes (12) are respectively formed through both ends of the wire duct box (1). A plurality of second installation waist-shaped holes (22) are formed through the surface of the connecting piece (2). The second installation waist-shaped holes (22) are matched with the first installation waist-shaped holes (12).

3. The metal wire duct for an elevator hoistway according to claim 2, wherein: A clamping plate (31) is integrally formed on the bottom of the cover plate (3). A tongue plate (32) is provided at the bottom of one end of the clamping plate (31). The clamping plate (31) is movably clamped inside the top plate (11). The tongue plate (32) is movably clamped inside the connecting plate (21).

4. A metal wire duct for an elevator shaft according to claim 2, characterized in that: Third installation waist-shaped holes (33) are respectively formed through both ends of the cover plate (3). The third installation waist-shaped holes (33) correspond to the positions of the first installation waist-shaped holes (12). A plurality of second installation screw holes (34) are formed through the cover plate (3) at equal intervals. A plurality of first installation screw holes (13) are formed through the top plate (11) at equal intervals. The second installation screw holes (34) are matched with the first installation screw holes (13).

5. A metal wire duct for an elevator shaft according to claim 3, characterized in that: A partition plate (23) is vertically and fixedly installed inside the connecting piece (2). The bottom of the tongue plate (32) is movably abutted against the top of the partition plate (23).

6. The metal wire duct for an elevator shaft according to claim 1, wherein: A rubber sleeve is coated on the surface of the connecting piece (2).

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