CN206728433U - A retractable and lengthened fastening sleeve for electrical equipment - Google Patents

Abstract

The utility model discloses a kind of scalable lengthening tightening casing for electrical equipment, including sealing gasket and threaded joints, the portion of being connected through a screw thread is threadedly coupled between one end of first outer tube and the second outer tube, and first outer tube and the second outer tube be equipped with ring flange close to one end of threaded joints, the other end of first outer tube is sheathed on the second outer tube, and said inner tube is located in the inner space of the first outer tube, the second outer tube.The utility model is protected using telescopic sleeve pipe to the cable and wire of electrical equipment, when in use, can carry out telescopic adjustment according to the length of cable and wire, use is more convenient.There is sealing protection measure between first outer tube and the second outer tube and electric tank wall of the present utility model, the rainwater under outdoor environment can be avoided to enter, use is more safe and reliable.

Description

A retractable and lengthened fastening sleeve for electrical equipment

technical field

The utility model relates to the technical field of electrical equipment, in particular to a retractable and lengthened fastening sleeve for electrical equipment.

Background technique

Because electrical equipment is in the harsh outdoor environment for a long time, there are often phenomena such as screw rust, rubber pad aging, and damage by foreign objects, which require regular maintenance. The fundamental way to solve this problem is to replace the insulating rubber pad, which is time-consuming and labor-intensive, and affects the normal life of residents.

Therefore, in view of this, the inventor has been adhering to many years of rich experience in design, development and actual production in this related industry, researched and improved the existing structure and defects, and provided a retractable and lengthened tensioner for electrical equipment with good protection effect. Solid casing, in order to achieve the purpose of having more practical value.

Contents of the invention

The purpose of this utility model is to provide a telescopic and lengthened fastening sleeve for electrical equipment, so as to solve the problem that the electrical equipment is in the harsh outdoor environment for a long time and the cables and wires are easily damaged.

In order to achieve the above purpose, the utility model provides the following technical solutions: a telescopic and lengthened fastening sleeve for electrical equipment, including an inner tube, a first outer sleeve, a second outer sleeve, a flange, a sealing ring, an electrical The box wall, the sealing gasket and the threaded connection part, one end of the first outer casing and the second outer casing are threaded through the threaded connection part, and the ends of the first outer casing and the second outer casing near the threaded connection part are both A flange is provided, the other end of the first outer sleeve is sleeved on the second outer sleeve, and the inner tube is arranged in the inner space of the first outer sleeve and the second outer sleeve;

The electrical box wall is arranged between two flanges, and a sealing gasket is arranged between the electrical box wall and the flanges; a sealing ring is arranged between the first outer casing and the second outer casing.

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

1. The utility model adopts a telescopic sleeve to protect the cables and wires of electrical equipment. When in use, it can be adjusted according to the length of the cables and wires, which is more convenient and quick to use.

2. There are sealing protection measures between the first outer casing, the second outer casing and the electrical box wall of the utility model, which can prevent the rainwater from entering in the outdoor environment, and the use is safer and more reliable.

3. In addition to the first outer casing and the second outer casing, the utility model is also equipped with an inner pipe to provide double protection for the cables and wires, and completely prevent the cables and wires from being damaged by ultraviolet rays, rain and foreign objects.

Description of drawings

Fig. 1 is a schematic diagram of the external structure of the utility model;

Fig. 2 is a schematic cross-sectional structure diagram of the utility model.

In the figure: 1. inner tube, 2. first outer casing, 3. second outer casing, 4. flange, 5. sealing ring, 6. electrical box wall, 7. gasket, 8. threaded connection.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, the utility model provides a technical solution: a telescopic and lengthened fastening sleeve for electrical equipment, including an inner tube 1, a first outer sleeve 2, a second outer sleeve 3, and a flange Disk 4, sealing ring 5, electrical box wall 6, gasket 7 and threaded connection 8, one end of the first outer sleeve 2 and the second outer sleeve 3 are threaded through the threaded connection 8, and the first outer sleeve 2 and the end of the second outer sleeve 3 close to the threaded connection 8 are provided with a flange 4, the other end of the first outer sleeve 2 is sleeved on the second outer sleeve 3, and the inner tube 1 is arranged on the first outer sleeve 2 , In the inner space of the second outer sleeve 3 .

The electrical box wall 6 is located between the two flanges 4, and a gasket 7 is provided between the electrical box wall 6 and the flange 4 to prevent rainwater from entering through the connection between the flange 4 and the electrical box wall 6, Improve sealing performance.

A sealing ring 5 is arranged between the first outer sleeve 2 and the second outer sleeve 3, and the sealing ring 5 is interference-connected on the outer wall of the second outer sleeve 3 to strengthen the connection between the first outer sleeve 2 and the second outer sleeve 3 reliability.

Working principle: When using the retractable and lengthened fastening sleeve for electrical equipment, firstly, the inner tube is sleeved on the outside of the cable and wire, and then the first outer sleeve 2 and the second outer sleeve 3 are passed through their ends The flange plate 4 is installed on the electrical box wall 6, and the gasket 7 is used to seal the connection to prevent rainwater from entering through the connection between the flange plate 4 and the electrical box wall 6. According to the length of the cable and wire, the telescopic adjustment sleeve is installed in the The length of the first outer sleeve 2 outside the second outer sleeve 3, because the sealing ring 5 is interference-connected on the outer wall of the second outer sleeve 3, during adjustment, a small amount of water can be sprayed on the body of the second outer sleeve 3 , increase its lubricity, and facilitate operation. If the cables and wires are long, multiple first outer sleeves 2 and second outer sleeves 3 can be connected to each other for use.

The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the instructions and the records of the drawings. The specific connection methods of each part adopt mature bolts, rivets, welding , pasting and other conventional means, the parts all adopt conventional models in the prior art, and are no longer described in detail here.

In summary, the basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their effects.

Claims (1)

1. A kind of 1. scalable lengthening tightening casing for electrical equipment, it is characterised in that：Including inner tube, the first outer tube, Two outer tubes, ring flange, sealing ring, electric tank wall, sealing gasket and threaded joints, one end and second of first outer tube The portion of being connected through a screw thread is threadedly coupled between outer tube, and the first outer tube and the second outer tube are close to threaded joints One end is equipped with ring flange, and the other end of the first outer tube is sheathed on the second outer tube, said inner tube located at the first outer tube, In the inner space of second outer tube；

   The electrically tank wall is electrically provided with sealing gasket between ring flange at two between tank wall and ring flange；Described first Sealing ring is provided between outer tube and the second outer tube.