A cable hanger

Abstract

The present application discloses a cable hanger, which includes: an upper fixing seat and a lower fixing seat, wherein the ends of the upper fixing seat and the lower fixing seat close to each other are both provided with an arc groove for clamping the cable, and both ends of the upper fixing seat and the lower fixing seat are provided with a limit assembly, and the limit assembly includes a connecting sleeve, a main screw and a locking screw, wherein the connecting sleeve is provided between the upper fixing seat and the lower fixing seat, and the outer wall of the connecting sleeve is provided with an annular baffle, and the end of the connecting sleeve located below the annular baffle is threadedly installed inside the lower fixing seat, and the end located above the annular baffle is plugged into the inside of the upper fixing seat. The cable hanger proposed in the present application adopts a multiple thread engagement structure to lock the two fixing seats, and forms a composite tensile system through the axial tension of the main screw and the locking screw and the friction resistance of the multiple threads, thereby increasing the tensile strength of the two fixing seats, preventing the cables from being pulled off by the piston wind, and improving the stability of the cable installation.

Description

Technical Field

[0001] The present invention relates to the technical field of cable installation equipment, and in particular to a cable hanger. Background Art

[0002] Cables are usually secured to brackets, walls or equipment using curved clamps, bolts or straps to prevent deformation and wear caused by cable sagging due to its own weight, vibration, external pulling or vibration. However, rail transit equipment runs in underground tunnels and underground roadways, where piston wind is easily generated. The cables are affected by the piston wind and pull the curved clamps on the bracket, which can easily loosen the bolts between the two curved clamps, causing the two curved clamps to separate and unable to fix the cables.

[0003] Therefore, there is an urgent need for a cable hanger that is easy to install and has strong pull-out resistance to solve the problems raised in the above background technology. Summary of the Invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a cable hanger, which adopts a multiple threaded engagement structure to lock the two fixing seats, increase the tensile strength of the two fixing seats, prevent the cable from being pulled off by the piston wind, and improve the stability of the cable installation to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A cable hanger comprises: an upper fixing seat and a lower fixing seat, wherein the ends of the upper fixing seat and the lower fixing seat close to each other are both provided with an arc groove for clamping the cable, and both ends of the upper fixing seat and the lower fixing seat are provided with a limit assembly, and the limit assembly comprises a connecting sleeve, a main screw and a locking screw, wherein the connecting sleeve is arranged between the upper fixing seat and the lower fixing seat, and the outer wall of the connecting sleeve is provided with an annular baffle, and the end of the connecting sleeve located below the annular baffle is threadedly installed in the interior of the lower fixing seat, and the end located above the annular baffle is plugged into the interior of the upper fixing seat; the main screw The rod is arranged above the upper fixed seat, and the main screw passes through the upper fixed seat and the connecting sleeve in sequence and extends to the inside of the lower fixed seat, and the main screw thread is installed in the inside of the upper fixed seat and the connecting sleeve; the locking screw is arranged below the lower fixed seat, and the top end thread of the locking screw is installed in the inside of the lower fixed seat and abuts against the connecting sleeve, and a connecting screw is provided at the top end of the locking screw, and the connecting screw thread is installed in the inside of the main screw, and a locking nut is provided on the outer wall of the locking screw, and the locking nut thread is installed on the outer wall of the locking screw and tightened to the lower end face of the bracket.

[0007] As a further solution of the present invention: an upper threaded hole and a threaded groove are respectively opened inside the upper fixing seat and the connecting sleeve, the main screw thread is installed inside the upper threaded hole and the threaded groove and extends out of the connecting sleeve, and the inner diameter and pitch of the upper threaded hole and the threaded groove are the same.

[0008] As a further solution of the present invention: the lower end surface of the upper fixing seat is provided with an annular groove around the outside of the upper threaded hole, the annular baffle is engaged in the inside of the annular groove, and the lower end of the annular baffle is flush with the lower end of the upper fixing seat.

[0009] As a further solution of the present invention, an annular slot is formed on the inner wall of the annular groove around the outside of the upper threaded hole, and one end of the connecting sleeve located above the annular baffle is inserted into the inside of the annular slot.

[0010] As a further solution of the present invention: the outer wall of the connecting sleeve located below the annular baffle is provided with threaded teeth, and a lower threaded hole is opened inside the lower fixed seat. The connecting sleeve is threadedly installed inside the lower threaded hole through the threaded teeth, and the thread direction of the threaded teeth is opposite to the thread direction of the locking screw.

[0011] As a further solution of the present invention: a threaded cavity is opened at the bottom end of the main screw, the connecting screw is threadedly installed inside the threaded cavity, and the top end of the locking screw abuts against the bottom end of the main screw.

[0012] As a further solution of the present invention, the length of one end of the connecting sleeve located below the annular baffle is the same as the depth of the lower threaded hole.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] By setting a limit assembly, the main screw and the connecting sleeve are used to connect the upper fixing seat and the lower fixing seat, and the cable is clamped between the upper fixing seat and the lower fixing seat to prevent the cable from sagging due to its own weight. At the same time, the connecting screw is tightened inside the main screw, and the locking screw is tightened to the connecting sleeve to connect the main screw and the locking screw into a whole. The axial tension of the main screw and the locking screw is used to form a composite tensile system with the friction resistance of multiple threads, which increases the tensile strength of the upper and lower fixing seats, prevents the cable from being pulled off by the piston wind, and improves the stability of the cable installation. Moreover, the installation depth of the connecting sleeve is changed to adjust the distance between the upper and lower fixing seats to meet the suspension of cables of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 is a perspective schematic diagram of a cable hanger according to an embodiment of the present invention;

[0017] Figure 2 A schematic diagram of a disassembled cable hanger according to an embodiment of the present invention;

[0018] Figure 3 is a cross-sectional view of a cable hanger according to an embodiment of the present invention;

[0019] Figure 4 is a bottom schematic diagram of an upper fixing base according to an embodiment of the present invention;

[0020] Figure 5 is a perspective schematic diagram of a main screw according to an embodiment of the present invention;

[0021] Figure 6 is a perspective schematic diagram of a connecting sleeve according to an embodiment of the present invention;

[0022] Figure 7 is a perspective schematic diagram of a locking screw according to an embodiment of the present invention;

[0023] Figure 8 Schematic diagram of the cable hanger in use according to one embodiment of the present invention.

[0024] In the figure: 1. Upper fixing seat; 11. Upper threaded hole; 12. Annular groove; 13. Annular slot; 2. Lower fixing seat; 21. Lower threaded hole; 3. Connecting sleeve; 31. Annular baffle; 32. Thread teeth; 33. Thread groove; 4. Main screw; 41. Threaded cavity; 5. Locking screw; 51. Connecting screw; 52. Locking nut. DETAILED DESCRIPTION

[0025] Combine Figures 1-8 As shown, in this embodiment, a cable hanger includes: an upper fixing seat 1 and a lower fixing seat 2, and the ends of the upper fixing seat 1 and the lower fixing seat 2 that are close to each other are provided with arc grooves for clamping the cable; the upper fixing seat 1 and the lower fixing seat 2 are clamped at the upper and lower ends of the cable through the arc grooves, which limits the position of the cable and prevents the cable from falling due to its own weight. At the same time, the positions of the upper fixing seat 1 and the lower fixing seat 2 are adjusted, and the size of the clamping groove between the upper fixing seat 1 and the lower fixing seat 2 is changed to meet the hanging needs of cables of different specifications.

[0026] In this embodiment, the limiting assembly includes a connecting sleeve 3, a main screw 4 and a locking screw 5, wherein the connecting sleeve 3 is arranged between the upper fixed seat 1 and the lower fixed seat 2, and the outer wall of the connecting sleeve 3 is provided with an annular baffle 31, and the outer wall of the connecting sleeve 3 below the annular baffle 31 is provided with threaded teeth 32, and a lower threaded hole 21 is opened inside the lower fixed seat 2, and the connecting sleeve 3 is threadedly installed inside the lower threaded hole 21 through the threaded teeth 32; the connecting sleeve 3 is installed into the lower threaded hole 21 by using the threaded teeth 32, and the main screw 4 is installed inside the lower fixed seat 2 through the connecting sleeve 3, so as to realize the connection between the upper fixed seat 1 and the lower fixed seat 2. At the same time, the connecting sleeve 3 lifts the upper fixed seat 1 through the annular baffle 31, so as to facilitate the adjustment of the height of the upper fixed seat 1.

[0027] In this embodiment, the end of the connecting sleeve 3 located above the annular baffle 31 is inserted into the interior of the upper fixed seat 1, and the lower end surface of the upper fixed seat 1 is provided with an annular groove 12 around the outside of the upper threaded hole 11, the annular baffle 31 is engaged with the inside of the annular groove 12, and the inner wall of the annular groove 12 is provided with an annular slot 13 around the outside of the upper threaded hole 11, and the end of the connecting sleeve 3 located above the annular baffle 31 is inserted into the inside of the annular slot 13; the upper fixed seat 1 is engaged with the top of the connecting sleeve 3 through the annular slot 13 and the annular groove 12, and the main screw 4 is used to fix the connecting sleeve 3 to the bottom of the upper fixed seat 1, and the upper fixed seat 1 is connected with the connecting sleeve 3 and the lower fixed seat 2 at the other end of the connecting sleeve 3 to form a whole, thereby realizing the connection and limitation of the upper fixed seat 1 and the lower fixed seat 2.

[0028] In this embodiment, the main screw 4 is arranged above the upper fixed seat 1, and the main screw 4 passes through the upper fixed seat 1 and the connecting sleeve 3 in sequence and extends to the interior of the lower fixed seat 2, and the upper fixed seat 1 and the connecting sleeve 3 are respectively provided with an upper threaded hole 11 and a thread groove 33. The main screw 4 is threadedly installed in the upper threaded hole 11 and the thread groove 33 and extends out of the connecting sleeve 3. The inner diameter and pitch of the upper threaded hole 11 and the thread groove 33 are the same; the main screw 4 is installed in the upper threaded hole 11 and the thread groove 33, and the upper fixed seat 1, the connecting sleeve 3 and the lower fixed seat 2 are locked to prevent the upper fixed seat 1 from separating from the lower fixed seat 2.

[0029] In this embodiment, the locking screw 5 is arranged below the lower fixing seat 2, and the top end of the locking screw 5 is threadedly installed in the interior of the lower fixing seat 2 and abuts against the connecting sleeve 3, and a connecting screw 51 is provided at the top end of the locking screw 5, and a threaded cavity 41 is opened at the bottom end of the main screw 4, and the connecting screw 51 is threadedly installed in the interior of the threaded cavity 41, and the top end of the locking screw 5 abuts against the bottom end of the main screw 4; the connecting screw 51 is installed in the interior of the threaded cavity 41, so that the main screw 4 and the locking screw 5 form a whole, realizing the secondary locking between the upper fixing seat 1 and the lower fixing seat 2. At the same time, the connecting sleeve 3 and the locking screw 5 abut against each other, and the axial tension of the main screw 4 and the locking screw 5 is resisted by the connecting sleeve 3, thereby increasing the tensile strength of the upper fixing seat 1 and the lower fixing seat 2, preventing the cable from being pulled off by the piston wind, and improving the stability of the cable installation.

[0030] In this embodiment, the length of the connecting sleeve 3 at one end below the annular baffle 31 is the same as the depth of the lower threaded hole 21; by adjusting the depth of the connecting sleeve 3 installed into the lower threaded hole 21, the distance between the upper fixing seat 1 and the lower fixing seat 2 can be adjusted.

[0031] In this embodiment, a locking nut 52 is provided on the outer wall of the locking screw 5, and the locking nut 52 is threadedly installed on the outer wall of the locking screw 5 and tightened to the lower end face of the bracket; the locking nut 52 on the outer wall of the locking screw 5 is tightened to the lower end face of the bracket to limit the position of the locking screw 5, thereby realizing the assembly of the upper fixing seat 1, the lower fixing seat 2 and the bracket.

[0032] The working principle of the present invention is as follows: the cable hanger proposed in this application adopts a main screw 4 and a connecting sleeve 3 to connect the upper fixing seat 1 and the lower fixing seat 2. By adjusting the depth of the connecting sleeve 3 installed into the lower threaded hole 21, the distance between the upper fixing seat 1 and the lower fixing seat 2 is changed, so that the upper fixing seat 1 and the lower fixing seat 2 are clamped on the outside of the cable through the arc groove to prevent the cable from sagging due to its own weight, so as to meet the suspension of cables of different specifications. At the same time, the locking screw 5 is installed through the through hole at the bottom of the bracket into the lower threaded hole 21, and the connecting screw 51 is tightened Inside the main screw 4, let the locking screw 5 tighten the connecting sleeve 3 to connect the main screw 4 and the locking screw 5 into a whole, and then tighten the locking nut 52 on the outer wall of the locking screw 5 to the lower end face of the bracket to complete the assembly of the upper fixing seat 1, the lower fixing seat 2 and the bracket to achieve the suspension of the cable. The axial tension of the main screw 4 and the locking screw 5 and the multiple thread friction resistance can form a composite tensile system to increase the tensile strength of the upper fixing seat 1 and the lower fixing seat 2, prevent the cable from being pulled off by the piston wind, and improve the stability of the cable installation.

[0033] The above is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A cable hanger, comprising: An upper fixing seat (1) and a lower fixing seat (2), wherein the ends of the upper fixing seat (1) and the lower fixing seat (2) close to each other are both provided with an arc groove for clamping a cable, characterized in that a limit assembly is provided at both ends of the upper fixing seat (1) and the lower fixing seat (2), and the limit assembly comprises a connecting sleeve (3), a main screw (4) and a locking screw (5), wherein the connecting sleeve (3) is arranged between the upper fixing seat (1) and the lower fixing seat (2), and an annular baffle (31) is provided on the outer wall of the connecting sleeve (3), and the end of the connecting sleeve (3) located below the annular baffle (31) is threadedly installed in the interior of the lower fixing seat (2), and the end located above the annular baffle (31) is plugged into the interior of the upper fixing seat (1); The main screw (4) is arranged above the upper fixing seat (1), and the main screw (4) sequentially passes through the upper fixing seat (1) and the connecting sleeve (3) and extends to the interior of the lower fixing seat (2), and the main screw (4) is threadedly installed inside the upper fixing seat (1) and the connecting sleeve (3); The locking screw (5) is arranged below the lower fixing seat (2), the top end of the locking screw (5) is threadedly mounted inside the lower fixing seat (2) and abuts against the connecting sleeve (3), and the top end of the locking screw (5) is provided with a connecting screw (51), the connecting screw (51) is threadedly mounted inside the main screw (4), and the outer wall of the locking screw (5) is provided with a locking nut (52), the locking nut (52) is threadedly mounted on the outer wall of the locking screw (5) and is tightened to the lower end surface of the bracket.

2. A cable hanger according to claim 1, characterized in that: An upper threaded hole (11) and a threaded groove (33) are respectively provided inside the upper fixing seat (1) and the connecting sleeve (3); the main screw (4) is threadedly mounted inside the upper threaded hole (11) and the threaded groove (33) and extends out of the connecting sleeve (3); and the inner diameter and pitch of the upper threaded hole (11) and the threaded groove (33) are the same.

3. A cable hanger according to claim 2, characterized in that: The lower end surface of the upper fixing seat (1) is provided with an annular groove (12) surrounding the outer portion of the upper threaded hole (11); the annular baffle (31) is engaged with the inner portion of the annular groove (12); and the lower end of the annular baffle (31) is flush with the lower end of the upper fixing seat (1).

4. A cable hanger according to claim 3, characterized in that: An annular slot (13) is formed on the inner wall of the annular groove (12) around the outside of the upper threaded hole (11), and one end of the connecting sleeve (3) located above the annular baffle (31) is inserted into the inside of the annular slot (13).

5. The cable hanger according to claim 1, characterized in that: The outer wall of the connecting sleeve (3) is provided with threaded teeth (32) at a portion below the annular baffle (31), and a lower threaded hole (21) is provided inside the lower fixing seat (2). The connecting sleeve (3) is threadedly mounted inside the lower threaded hole (21) through the threaded teeth (32), and the thread direction of the threaded teeth (32) is opposite to the thread direction of the locking screw (5).

6. The cable hanger according to claim 1, characterized in that: A threaded cavity (41) is formed at the bottom end of the main screw (4), the connecting screw (51) is threadedly mounted inside the threaded cavity (41), and the top end of the locking screw (5) abuts against the bottom end of the main screw (4).

7. The cable hanger according to claim 5, characterized in that: The length of the connecting sleeve (3) at one end below the annular baffle (31) is the same as the depth of the lower threaded hole (21).

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