CN217239763U

CN217239763U - Shielding line grounding device of electrical equipment

Info

Publication number: CN217239763U
Application number: CN202220938271.1U
Authority: CN
Inventors: 吴彬; 陈克闪; 王刚
Original assignee: Jiangsu Yonggang Group Co Ltd
Current assignee: Jiangsu Yonggang Group Co Ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-08-19
Anticipated expiration: 2032-04-22

Abstract

The utility model discloses a shielded wire grounding device of electrical equipment, aiming at solving the problems of complex structure, inconvenient installation and the like of the prior art, comprising a fixed semi-ring and a rotating semi-ring, wherein the corresponding ends of the fixed semi-ring and the rotating semi-ring are connected to form a combination body which is sleeved on the end part of a shielded wire, the combination body is connected with one end of an installation cylinder, the other end of the installation cylinder is inserted in a threaded cover, and the periphery of the end part is welded with a limiting ring for preventing the installation cylinder from slipping off from the threaded cover; the electrical equipment casing is equipped with the external screw thread pipe in, the external screw thread pipe other end extend to in the screw cap with installation section of thick bamboo contact, screw cap and external screw thread pipe spiro union. The utility model discloses simple structure, simple to operate can effectively guarantee to form the route, realizes the ground connection of shielded wire.

Description

Shielding line grounding device of electrical equipment

Technical Field

The utility model relates to an electrical equipment's shielded wire earthing device belongs to electrical equipment technical field.

Background

With the trend of digitalization and miniaturization of electronic and communication equipment, the use of various electronic equipment has recently been increasing and the resistance to external electromagnetic waves has been reduced, and therefore, in order to protect various electronic and communication equipment against electromagnetic interference (EMI), prevent interference of peripheral equipment by electromagnetic waves generated from electromagnetic wave generation sources, solve problems such as harmful electromagnetic waves to the human body, etc., it is required to provide electromagnetic wave shielding devices on the inside and outside of the electronic and communication equipment or on lead wires, and for example, when the lead wires are laid on a vehicle, it is necessary to connect a ground wire to an electromagnetic wave shielding wire through a terminal. However, the grounding device for the electromagnetic wave shielding wire used at present is complex in structure and inconvenient to use and install.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide an electrical equipment's shielded wire earthing device, simple structure, easy to operate installs, and is applicable to current electrical equipment shielded wire.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme: a shielded wire grounding device of electrical equipment comprises a fixed semi-ring and a rotating semi-ring, wherein the corresponding ends of the fixed semi-ring and the rotating semi-ring are connected to form a combination body which is sleeved on the end part of a shielded wire, the combination body is connected with one end of an installation cylinder, the other end of the installation cylinder is inserted into a threaded cover, and the periphery of the end part is welded with a limiting ring for preventing the installation cylinder and the threaded cover from slipping; be equipped with the external screw thread pipe in the electrical equipment casing, the external screw thread pipe other end extend to in the screw cap with installation section of thick bamboo contact, screw cap and external screw thread pipe spiro union.

Optionally, an inward bending part is arranged at one end part of the threaded cover close to the mounting cylinder.

Optionally, the outer diameter of the limit ring is larger than the inner diameter of the bent part of the threaded cap.

Optionally, the fixed half ring is hinged to one end of the rotating half ring, and the other end of the fixed half ring and the other end of the rotating half ring are both provided with extending portions, and the extending portions are attached to each other and connected through a locking bolt.

Optionally, the shielding line includes insulating layer and cable core, the insulating layer inlays to be located inside the shielding line, the cable core inlays to be located inside the insulating layer.

Optionally, a cable sheath for protecting the shielding wire is further wrapped outside the shielding wire.

Optionally, the combination of the fixed half ring and the rotating half ring is sleeved on the end of the shielding wire exposed outside the cable sheath.

Compared with the prior art, the utility model discloses the beneficial effect who reaches:

the utility model discloses will fix the cable skin stripping department that the semi-ring and the rotation semi-ring were fixed on the shielded wire, will screw the screw cap and twist the external screw thread outside of managing through the screw thread, external screw thread pipe promotes the spacing ring and removes to one end at this in-process, offsets until the kink of spacing ring and screw cap, not only can guarantee the interlock of screw cap and external screw thread pipe, also enables installation section of thick bamboo and external screw thread pipe and be in contact state all the time for form the electrical property route between shielded wire and the electrical equipment casing, realize the ground connection of shielded wire. The utility model discloses simple structure, the installation of being convenient for is used, is applicable to current most electrical equipment and shielded wire moreover, and the practicality is strong.

Drawings

Fig. 1 is a schematic front view of a shielded wire grounding device of an electrical apparatus according to an embodiment of the present invention;

fig. 2 is a schematic back view of a shielded wire grounding device of an electrical apparatus according to an embodiment of the present invention;

fig. 3 is a schematic partial sectional view of a stationary half ring and a rotating half ring of a shield grounding device for an electrical apparatus according to an embodiment of the present invention;

in the figure: the cable comprises a shielding wire 1, a fixed semi-ring 2, a rotating semi-ring 3, a locking bolt 4, an installation barrel 5, a limiting ring 6, a threaded cover 7, an external threaded pipe 8, an electrical equipment shell 9, a cable sheath 10, an insulating layer 11 and a cable core 12.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1:

as shown in fig. 1-2, the embodiment of the present invention provides a shielded wire grounding device for electrical equipment, including: stationary half ring 2 and rotation half ring 3, stationary half ring 2 and rotation half ring 3 all are the semi-annular, and one end is articulated each other, and one end all is equipped with the extension of laminating mutually, fixes the extension through locking bolt 4 to form a combination. The inner diameter of the assembly can be set slightly less than the outer diameter of the shielded wire 1 so that the assembly can be fixed on the periphery of the shielded wire 1 and the assembly is prevented from slipping.

An installation cylinder 5 is installed at one end of the combined body, the other end of the installation cylinder 5 is inserted into a threaded cover 7, and the threaded cover 7 can rotate outside the installation cylinder 5. The installation cylinder 5 is inserted in the end part periphery of the threaded cover 7 and is welded with the limiting ring 6 in an integrated mode, the installation cylinder 5 and the limiting ring 6 are also in a semi-annular shape, the two half rings of the installation cylinder 5 are respectively connected with the fixed half ring 2 and the rotating half ring 3, and when the assembly is fixed through the locking bolt 4, the two half rings of the installation cylinder 5 can be combined to form a circular ring.

The threaded cover 7 can be provided with an inward bent part at one end close to the mounting barrel 5, the outer diameter of the limiting ring 6 is larger than the inner diameter of the bent part of the threaded cover 7, so that the threaded cover 7 can limit the limiting ring 6 when the limiting ring 6 moves to the bent part, the end shape of the threaded cover 7 is not limited to the end shape, and other shapes capable of limiting the limiting ring 6 are allowed.

As shown in fig. 1-3, in the process of screwing the external threaded pipe 8 into the threaded cap 7, the external threaded pipe 8 gradually penetrates into the threaded cap 7, so as to push the limiting ring 6 and the mounting cylinder 5 to move towards the other side together until the limiting ring 6 abuts against the bent part, i.e. the screwing process is finished, thereby effectively ensuring that the mounting cylinder 5 and the external threaded pipe 8 can be always in a contact state, and avoiding the phenomenon of disconnection between the mounting cylinder 5 and the external threaded pipe 8.

An external thread pipe 8 is installed in the electrical equipment shell 9, one end of the external thread pipe 8, which is positioned outside the electrical equipment shell 9, extends into the thread cover 7 and is in contact with the installation cylinder 5, so that a passage can be formed between the shielding wire 1 and the electrical equipment shell 9, a connection mode of threaded connection can be adopted between the thread cover 7 and the external thread pipe 8, the thread cover 7 and the external thread pipe 8 can be guaranteed to be detachable, and good meshing can be realized during connection.

The shielded wire 1 firstly passes through the combination of the fixed half ring 2 and the rotating half ring 3, then sequentially passes through the installation cylinder 5 and the external threaded pipe 8, and finally a passage is formed between the shielded wire 1 and the electrical equipment shell 9, so that the shielded wire 1 is effectively grounded, and the shielded wire is simple in structure and convenient to operate and install.

Example 2:

on the basis of embodiment 1, the shielded wire 1 of the shielded wire grounding device of the electrical equipment comprises an insulating layer and a cable core, wherein the insulating layer is embedded inside the shielded wire, and the cable core is embedded inside the insulating layer. The cable sheath is wrapped outside the shielded wire 1, so that the shielded wire 1 can be protected. The combination body formed by the fixed half ring 2 and the rotating half ring 3 can be sleeved on the end part of the shielding wire 1 exposed outside the cable sheath.

The utility model discloses a theory of operation does: the external threaded pipe 8 is firstly installed on the electrical equipment shell 9 in advance, then the cable sheath outside the shielded wire 1 is stripped, then the shielded wire 1 is arranged in the device in a penetrating way, the fixed half ring 2 and the rotating half ring 3 are fixed at the cable sheath stripping position through the locking bolt 4, and then the threaded cover 7 is screwed on the outer part of the external threaded pipe 8 through threads. In the screwing process, the external threaded pipe 8 slowly extends into the threaded cover 7, so that the installation cylinder 5 and the limiting ring 6 are pushed to move towards the other side until the limiting ring 6 and the threaded cover 7 are abutted, the installation cylinder 5 is prevented from slipping out of the threaded cover 7, the installation cylinder 5 and the external threaded pipe 8 can be always kept in a contact state, an electric passage is formed between the shielding wire 1 and the electrical equipment shell 9, and the shielding wire 1 is grounded.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. A shielded wire grounding device of an electrical apparatus, characterized in that: the assembly is connected with one end of an installation cylinder, the other end of the installation cylinder is inserted into a threaded cover, and a limiting ring for preventing the installation cylinder from slipping off the threaded cover is welded on the periphery of the end part; the electrical equipment casing is equipped with the external screw thread pipe in, the external screw thread pipe other end extend to in the screw cap with installation section of thick bamboo contact, screw cap and external screw thread pipe spiro union.

2. The shielded wire grounding device of an electric apparatus according to claim 1, wherein: and an inward bent part is arranged at the end part of one end, close to the mounting cylinder, of the threaded cover.

3. The shielded wire grounding device of an electric apparatus according to claim 1, wherein: the outer diameter of the limiting ring is larger than the inner diameter of the bent part of the threaded cover.

4. The shielded wire grounding device of an electric apparatus according to claim 1, wherein: the fixed semi-ring is hinged to one end of the rotating semi-ring, the other end of the fixed semi-ring is provided with an extending portion, and the extending portions are attached to each other and connected through a locking bolt.

5. The shielded wire grounding device of an electric apparatus according to claim 1, wherein: the shielding wire comprises an insulating layer and a cable core, the insulating layer is embedded in the shielding wire, and the cable core is embedded in the insulating layer.

6. The shielded wire grounding device of an electric apparatus as set forth in claim 5, wherein: the shielding wire is externally wrapped with a cable sheath for protecting the shielding wire.

7. The shielded wire grounding device of an electric apparatus according to claim 6, wherein: the fixed half ring and the rotating half ring are sleeved on the end part of the shielding wire exposed outside the cable sheath.