Wire and cable through-wall insulation protection device

Abstract

The utility model relates to a wire and cable through-wall insulation protection device, and relates to the field of wires and cables. Comprising a protective sleeve and a wire cable arranged in the protective sleeve, and the protective sleeve comprises a protective outer shell, a rotating inner shell, a rotating unit, a fixed check ring and a connecting assembly. According to the electric wire and cable through-wall insulation protection device, the protection sleeve can be used as a supporting frame for supporting the electric wire and cable on a construction site and can be conveniently used as an insulation sheath during through-wall operation, the electric wire and cable penetrate into the rotating inner shell, and the rotating inner shell rotates due to the rotation effect of the electric wire and cable; therefore, the situation that the skin of the wire cable is damaged due to the change of displacement is effectively avoided.

Description

Technical Field

[0001] The present application relates to the technical field of wires and cables, and in particular to an insulation protection device for wires and cables penetrating walls. Background Art

[0002] Wires and cables are wire products used to transmit electrical (magnetic) energy, information and realize electromagnetic energy conversion. Wires and cables in a broad sense are also referred to as cables. Cables in a narrow sense refer to insulated cables, which can be defined as: a collection of the following parts; one or more insulated cores, and their respective coatings, total protective layers and outer sheaths. Cables may also have additional uninsulated conductors. Wires and cables are the main carriers of power transmission and are widely used in electrical equipment, lighting lines, household appliances, etc. At the construction site, electricity safety is very important, especially the safety protection of wires and cables.

[0003] The inventors of the present application have discovered that due to the complex environment of the construction site, wires and cables may be displaced due to various reasons. The friction during the displacement may easily cause damage to the insulation surface, and the joints of the wires and cables may also gradually fall off due to the touch of external forces. Once an accident occurs, it will cause great personal harm and property loss. Utility Model Content

[0004] In response to the problems raised in the background technology, the present application provides an insulation protection device for wires and cables passing through walls to solve the problems mentioned in the background technology.

[0005] An insulation protection device for wires and cables penetrating a wall provided in the present application adopts the following technical solution: it includes a protective sleeve and wires and cables arranged in the protective sleeve, the protective sleeve includes a protective outer shell, a rotating inner shell rotatably arranged in the inner cavity of the protective outer shell, a rotating unit arranged between the rotating inner shell and the protective outer shell, a fixed retaining ring arranged at one end of the protective outer shell, and a connecting component arranged between the fixed retaining ring and the protective outer shell.

[0006] By adopting the above technical scheme, the protective sleeve can be used as a support frame for supporting wires and cables at the construction site, and can also be used as an insulating sheath during wall penetration operations. The wires and cables are passed through the rotating inner shell, and the rotating inner shell rotates due to the rotation of the wires and cables, thereby effectively avoiding damage to the surface of the wires and cables due to changes in displacement.

[0007] Optionally, a first protective wing is provided on the outer periphery of one end of the protective shell, the first protective wing is circumferentially arranged with the center of the circle of the protective shell as the center point, and the first protective wing is fixedly connected to the protective shell.

[0008] By adopting the above technical solution, when the protective sleeve is needed as an insulating sheath, the protective shell is first passed through the wall hole, and the first protective wing edge at one end of the protective shell is abutted against one end of the wall hole, thereby facilitating limiting one end of the protective shell.

[0009] Optionally, the rotating unit includes sliding blocks evenly arranged on the outer circumference of the rotating inner shell and sliding grooves arranged on the inner wall of the protective outer shell and adapted to each sliding block. Each sliding block is circumferentially arranged with the center of the rotating inner shell as the center point, and the end of the sliding block away from the connection with the rotating inner shell is arranged in an arc shape.

[0010] By adopting the above technical solution, the cooperation between the sliding block and the sliding groove makes it easy to connect the rotating inner shell with the protective outer shell, and to guide the rotating inner shell during the rotation process.

[0011] Optionally, a limiting groove is provided at one end of the protective shell relative to the fixed retaining ring, and the limiting groove is circumferentially arranged with the center of the protective shell as the center point.

[0012] By adopting the above technical solution, the limiting groove is convenient for limiting the upper end surface of the fixed retaining ring, thereby facilitating guiding the installation position of the fixed retaining ring.

[0013] Optionally, the connecting assembly includes a second protective wing fixedly arranged at the other end of the protective shell, a third protective wing fixedly arranged at the end of the fixed retaining ring away from the protective shell, and a fixing screw for connecting the second protective wing and the third protective wing, and the number of the fixing screws is at least three, and each of the fixing screws passes through the third protective wing and is connected to the second protective wing, and the second protective wing is provided with a fixing hole that is compatible with the fixing screw.

[0014] By adopting the above technical solution, the fixing screw passes through the third protective wing edge and is connected with the fixing hole on the second protective wing edge, so as to connect the protective shell with the fixed retaining ring.

[0015] Optionally, the nut head of the fixing screw is configured as a cylindrical hexagonal structure.

[0016] By adopting the above technical solution, it is convenient for workers to install the fixing screws using a wrench.

[0017] Optionally, it also includes a stepped hole arranged on the third protective wing edge and adapted to the nut head of the fixing screw, and the stepped hole is arranged to be penetrating.

[0018] By adopting the above technical solution, the stepped hole facilitates the concealed installation of the nut head of the fixing screw and facilitates the positioning of the fixing screw.

[0019] In summary, the present application includes the following beneficial technical effects: the protective sleeve can be used as a support frame for supporting wires and cables at the construction site, and can be used as an insulating sheath during wall penetration operations, and the wires and cables are passed through the rotating inner shell, and the rotating inner shell rotates due to the rotation of the wires and cables, thereby effectively avoiding the situation where the surface of the wires and cables is damaged due to the change in displacement; BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the overall structure of the wire and cable wall insulation protection device of the present application;

[0021] Figure 2 It is a structural schematic diagram of a partial exploded view of the overall structure of the wire and cable wall insulation protection device of the present application;

[0022] Figure 3 It is a structural schematic diagram of a partial half-section view of the overall structure of the wire and cable wall insulation protection device of the present application;

[0023] Figure 4 It is a structural schematic diagram of a rotating inner shell in the wall insulation protection device for wires and cables of the present application;

[0024] Figure 5 It is a schematic structural diagram of a fixed retaining ring in the wall insulation protection device for wires and cables of the present application.

[0025] Explanation of the accompanying drawings: 1. Protective outer shell; 11. First protective wing; 12. Second protective wing; 13. Sliding groove; 14. Limiting groove; 121. Fixing hole; 2. Fixed retaining ring; 21. Third protective wing; 211. Step hole; 3. Rotating inner shell; 31. Sliding block; 4. Fixing screw. DETAILED DESCRIPTION

[0026] The present application is further described in detail below in conjunction with the accompanying drawings.

[0027] Please refer to Figure 1 and Figure 2 The embodiment of the present application discloses an insulating protective device for wires and cables passing through a wall. The device comprises a protective sleeve and wires and cables arranged in the protective sleeve. The protective sleeve comprises a protective shell 1. In order to facilitate the fixed installation of the protective shell 1, a first protective wing 11 is arranged on the outer periphery of one end of the protective shell 1. The first protective wing 11 is arranged circumferentially with the center of the circle of the protective shell 1 as the center point, and the first protective wing 11 is fixedly connected to the protective shell 1. When the protective sleeve is required to be used as an insulating sleeve, the protective shell 1 is first passed through the wall hole, and the first protective wing 11 at one end of the protective shell 1 is abutted against one end of the wall hole, so as to facilitate the limiting of one end of the protective shell 1.

[0028] Please refer to Figure 4 , a rotating inner shell 3 rotatably arranged in the inner cavity of the protective outer shell 1, and a rotating unit arranged between the rotating inner shell 3 and the protective outer shell 1, the rotating unit includes sliding blocks 31 evenly arranged on the outer periphery of the rotating inner shell 3 and sliding grooves 13 arranged on the inner wall of the protective outer shell 1 and adapted to each sliding block 31, each sliding block 31 is circumferentially arranged with the center of the rotating inner shell 3 as the center point, and the sliding block 31 is arranged in an arc shape away from the end connected to the rotating inner shell 3, and the mutual cooperation between the sliding block 31 and the sliding groove 13 makes it convenient to connect the rotating inner shell 3 with the protective outer shell 1, and to guide the rotating inner shell 3 during the rotation process.

[0029] Please refer to Figure 1 , Figure 2 and Figure 3 A fixed retaining ring 2 is arranged at one end of the protective shell 1. In order to facilitate the installation of the fixed retaining ring 2, a limiting groove 14 is arranged at one end of the protective shell 1 relative to the fixed retaining ring 2. The limiting groove 14 is circumferentially arranged with the center of the circle of the protective shell 1 as the center point. The limiting groove 14 is convenient for limiting the upper end surface of the fixed retaining ring 2, thereby facilitating guiding the installation position of the fixed retaining ring 2.

[0030] Please refer to Figure 2 and Figure 3 , and a connecting component arranged between the fixed retaining ring 2 and the protective shell 1, the connecting component includes a second protective wing 12 fixedly arranged at the other end of the protective shell 1, a third protective wing 21 fixedly arranged at the end of the fixed retaining ring 2 connected away from the protective shell 1, and a fixing screw 4 for connecting the second protective wing 12 and the third protective wing 21, at least three fixing screws 4 are provided, and each fixing screw 4 passes through the third protective wing 21 and is connected to the second protective wing 12, and a fixing hole 121 adapted to the fixing screw 4 is provided on the second protective wing 12, and the fixing screw 4 passes through the third protective wing 21 and is connected to the fixing hole 121 on the second protective wing 12 to connect the protective shell 1 with the fixed retaining ring 2.

[0031] Please refer to Figure 5 In order to install the fixing screw 4, the nut head of the fixing screw 4 is set to a cylindrical hexagonal structure, which is convenient for the staff to install the fixing screw 4 with a wrench;

[0032] In order to facilitate guiding the installation position of the fixing screw 4, a stepped hole 211 is also included on the third protective wing 21, which is adapted to the nut head of the fixing screw 4. The stepped hole 211 is set to be penetrating. The stepped hole 211 facilitates the hidden installation of the nut head of the fixing screw 4 and facilitates the positioning of the fixing screw 4.

[0033] The implementation principle of the wall insulation protection device for wires and cables in the embodiment of the present application is as follows:

[0034] When the protective sleeve is used as a support frame for supporting wires and cables at the construction site, the wires and cables are passed through the rotating inner shell 3, and the rotating inner shell 3 rotates due to the rotation of the wires and cables, thereby effectively avoiding the situation where the surface of the wires and cables is damaged due to the change of displacement;

[0035] When the protective sleeve is used as an insulating sheath during wall penetration operations, the protective outer shell 1 is first passed through the wall penetration hole, and the first protective wing 11 at one end of the protective outer shell 1 is abutted against one end of the wall penetration hole, and then the fixed retaining ring 2 is connected to the other end of the protective outer shell 1, and the third protective wing 21 on the fixed retaining ring 2 is abutted against the second protective wing 12 of the protective outer shell 1, and then the wires and cables are passed through the rotating inner shell 3, and the rotating inner shell 3 rotates due to the rotation of the wires and cables, thereby effectively avoiding the situation where the surface of the wires and cables is damaged due to changes in displacement.

[0036] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A wall insulation protection device for electric wires and cables, characterized in that: The invention comprises a protective sleeve and electric wires and cables arranged in the protective sleeve, wherein the protective sleeve comprises a protective outer shell (1), a rotating inner shell (3) rotatably arranged in the inner cavity of the protective outer shell (1), a rotating unit arranged between the rotating inner shell (3) and the protective outer shell (1), a fixed retaining ring (2) arranged at one end of the protective outer shell (1), and a connecting component arranged between the fixed retaining ring (2) and the protective outer shell (1).

2. The wall insulation protection device for electric wires and cables according to claim 1 is characterized in that: A first protective wing (11) is arranged on the outer periphery of one end of the protective shell (1); the first protective wing (11) is circumferentially arranged with the center of the circle of the protective shell (1) as the center point, and the first protective wing (11) is fixedly connected to the protective shell (1).

3. The wall insulation protection device for electric wires and cables according to claim 2 is characterized in that: The rotating unit comprises sliding blocks (31) uniformly arranged on the outer circumference of the rotating inner shell (3) and sliding grooves (13) arranged on the inner wall of the protective outer shell (1) and adapted to each of the sliding blocks (31); each of the sliding blocks (31) is arranged circumferentially with the center of the rotating inner shell (3) as the center point, and the end of the sliding block (31) away from the end connected to the rotating inner shell (3) is arranged in an arc shape.

4. The wall insulation protection device for electric wires and cables according to claim 3 is characterized in that: A limiting groove (14) is provided at one end of the protective shell (1) relative to the fixed retaining ring (2), and the limiting groove (14) is circumferentially arranged with the center of the protective shell (1) as the center point.

5. The wall-penetrating insulation protection device for electric wires and cables according to claim 4, characterized in that: The connecting component comprises a second protective wing (12) fixedly arranged at the other end of the protective shell (1), a third protective wing (21) fixedly arranged at the end of the fixed retaining ring (2) away from the protective shell (1) and connected thereto, and a fixing screw (4) for connecting the second protective wing (12) and the third protective wing (21), wherein the number of the fixing screws (4) is at least three, and each of the fixing screws (4) passes through the third protective wing (21) and is connected to the second protective wing (12), and the second protective wing (12) is provided with a fixing hole (121) adapted to the fixing screw (4).

6. The wall-penetrating insulation protection device for electric wires and cables according to claim 5, characterized in that: The nut head of the fixing screw (4) is configured as a cylindrical hexagonal structure.

7. The wall-penetrating insulation protection device for electric wires and cables according to claim 6, characterized in that: It also includes a stepped hole (211) arranged on the third protective wing (21) and adapted to the nut head of the fixing screw (4), wherein the stepped hole (211) is arranged to be penetrating.

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