Armored explosion-proof cable joint

Abstract

The utility model belongs to the technical field of cable joints, and particularly belongs to an armored explosion-proof cable joint, which comprises a main body, a connecting body and a screw cap body, and is characterized in that the main body and the connecting body are connected and fixed through threads, a fixed column body and a sealing ring are arranged in the connecting body, a sealing column is arranged in the screw cap body, and the fixed column body and the sealing ring are connected through threads. The interior of the spiral cap body is fixedly connected with the exterior of the connecting body through threads, and the diameter of the sealing column is smaller than the spiral diameter of the interior of the spiral cap body. By arranging a plurality of layers of sealing devices between the connector and the screw cap body and performing threaded rotation fastening, the firmness and the sealing performance of cable connection are obviously enhanced, and in the cable connection process, connection and use are convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable joints, in particular to an armored explosion-proof cable joint. Background Art

[0002] With the rapid development of urbanization, the coverage area of ​​urban construction is becoming wider and wider, and modern cities are becoming more and more dependent on electric energy. In every corner of the city, electric energy is needed to carry out production and life activities. The transmission of electricity is mainly carried out through cables, and urban land resources are relatively tight. The laying and connection of cables are implemented through underground pipelines. In the process of power transmission, the cable needs to be connected to various electrical equipment, and in this process, cable connectors need to be installed on the cable. The connection effect of the cable connector will directly affect the service life of the cable and the loss of power transmission. The conventional cable connectors in the prior art are difficult to meet the corresponding index requirements of cable connection such as anti-loosening and explosion-proof. There is an urgent need for a cable connector that can solve the above technical problems. Utility Model Content

[0003] In order to solve the problems mentioned in the above background technology, by setting up a multi-layer sealing connection and a threaded connection fastening method, the explosion-proof stability and sealing of the cable connection are enhanced, thereby increasing the service life of the cable in different environments and reducing the cost of use.

[0004] The utility model provides an armored explosion-proof cable connector, comprising a main body, an armored connector and a spiral cap body, characterized in that: the main body and the armored connector are fixed by threaded connection, a fixing column and a sealing ring are arranged inside the armored connector, a sealing column is arranged inside the spiral cap body, the inside of the spiral cap body and the outside of the connector are fixed by threaded connection, and the diameter of the sealing column is smaller than the inner spiral diameter of the spiral cap body.

[0005] Preferably, a raised prism is provided on the main body, and a rotating nut and a waterproof pad are provided on one side of the raised prism. The waterproof pad is in close contact with the raised prism, and the rotating nut 1 is tightly connected with the waterproof pad by threaded rotation to keep the waterproof pad tightly fitted with one side of the raised prism.

[0006] Preferably, a first threaded cylinder is provided on the other side of the raised prism, the threaded cylinder is threadedly connected and fixed to the armor connector, a frustum is provided on the first threaded cylinder, and the first threaded cylinder and the frustum are integrally formed.

[0007] Preferably, the fixing column is fixedly sleeved on the round platform so that the upper part of the main body and the lower part of the armored connector fit tightly.

[0008] Preferably, a second threaded cylinder is provided on the upper portion of the armor connector, the sealing ring is located above the second threaded cylinder, the sealing ring is in contact with and connected to the second threaded cylinder, and the outer diameter of the sealing ring is equal to the outer diameter of the second threaded cylinder.

[0009] Preferably, a sealing groove is provided in the middle of the sealing column, the upper part of the sealing column abuts against the inner side of the spiral cap body, the lower part of the sealing column is in contact with and connected to a sealing ring, and the sealing column and the sealing ring are used to enhance the sealing of the connection between the armored connector and the spiral cap body.

[0010] Preferably, the outer diameter of the sealing ring is equal to the outer diameter of the sealing column.

[0011] Compared with the prior art, the utility model provides an armored explosion-proof cable connector, which has at least one of the following beneficial effects:

[0012] 1. By providing a multi-layer sealing device between the connector and the screw cap body and threaded rotation tightening, the firmness and sealing of the cable connection are significantly enhanced, and the connection is convenient to use during the cable connection process.

[0013] 2. This type of armored explosion-proof cable connector has a simple overall structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0015] Figure 1 This is an overall display diagram of an embodiment of the utility model.

[0016] Figure 2 It is a side perspective view of an embodiment of the utility model.

[0017] Figure 3 It is an overall exploded view of an embodiment of the utility model.

[0018] Figure 4 It is a partial enlarged view of the screw cap body in the utility model embodiment.

[0019] Reference numerals

[0020] 1-rotating nut; 2-waterproof pad; 3-main body; 301-convex prism; 3011-first threaded cylinder; 3012-round cone; 4-armored connector; 401-fixed cylinder; 402-second threaded cylinder; 5-sealing ring; 6-sealing column; 601-sealing groove; 7-screw cap body; DETAILED DESCRIPTION

[0021] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0022] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0023] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] It should be noted that the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0026] like Figure 1-4 As shown, the utility model provides an armored explosion-proof cable connector including a main body 3, an armored connector 4 and a screw cap body 7, characterized in that: the main body 3 and the armored connector 4 are fixed by threaded connection, such as Figure 3 and Figure 2As shown, the upper part of the raised prism 301 on the main body 3 is provided with a first threaded cylinder 3011 and the spiral on the inner side of the armor connector 4, which are rotated and fastened, and the tightness between the main body 3 and the armor connector 4 is adjusted by rotating the raised prism 301. The armor connector 4 is provided with a fixing column 401 and a sealing ring 5, and the spiral cap body 7 is provided with a sealing column 6. The interior of the spiral cap body 7 is fixed to the exterior of the connector 4 by threaded connection, and the diameter of the sealing column 6 is smaller than the spiral diameter of the spiral cap body 7.

[0027] like Figure 1 and Figure 2 As shown, the main body 3 is provided with a raised prism 301, and a rotating nut 1 and a waterproof pad 2 are provided on one side of the raised prism 301. The waterproof pad 2 is in close contact with the raised prism 301, and the rotating nut 1 is in close contact with the waterproof pad 2 through thread rotation, so as to keep the waterproof pad 2 and one side of the raised prism 301 in close contact. A truncated cone 3012 is provided on the first threaded cylinder 3011, and the first threaded cylinder 3011 and the truncated cone 3012 are integrally formed, and the fixed cylinder 401 is fixedly sleeved on the truncated cone 3012. In addition to the above, the threaded connection between the first threaded cylinder 3011 and the armored connector 4 is completely fixed by the fixed cylinder 401 and the truncated cone, so that the upper part of the main body 3 and the lower part of the armored connector 4 are in close contact. In the actual use of the cable connector, the stability of the overall connection of the internal connection part in the cable connector is improved to ensure the long-term stable use of the cable connector without loosening.

[0028] like Figure 2 , 3 4, the upper part of the armor connector 4 is provided with a second threaded cylinder 402, the sealing ring 5 is located above the second threaded cylinder 3012, the sealing ring 5 is in contact with the second threaded cylinder 402, and the outer diameter of the sealing ring 5 is equal to the outer diameter of the second threaded cylinder 402. The sealing ring 5 is parallel to the second threaded column 402, and the middle part of the sealing column 6 is provided with a sealing groove 601, the upper part of the sealing column 6 abuts against the inner side of the spiral cap 7, and the lower part of the sealing column 6 is in contact with the sealing ring 5. The sealing column 6 and the sealing ring 5 are used to enhance the connection sealing between the armor connector 4 and the spiral cap 7. The internal thread of the spiral cap 7 and the second threaded column 3012 on the armor connector 4 are connected to each other by rotating the spiral cap 7, and the outer diameter of the sealing ring 5 is equal to the outer diameter of the sealing column 6.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. An armored explosion-proof cable connector, comprising a main body, an armor connector and a screw cap body, characterized in that: The main body and the armor connector are fixed by threaded connection. A fixing column and a sealing ring are arranged inside the armor connector. A sealing column is arranged inside the spiral cap body. The inside of the spiral cap body and the outside of the armor connector are fixed by threaded connection. The diameter of the sealing column is smaller than the spiral diameter inside the spiral cap body.

2. The armored explosion-proof cable connector according to claim 1, characterized in that: A raised prism is provided on the main body, and a rotating nut and a waterproof pad are provided on one side of the raised prism. The waterproof pad is in close contact with the raised prism, and the rotating nut is tightly connected with the waterproof pad by rotating the thread to keep the waterproof pad tightly fitted with one side of the raised prism.

3. An armored explosion-proof cable connector as claimed in claim 2, characterized in that: A first threaded cylinder is arranged on the other side of the raised prism, and the threaded cylinder is threadedly connected and fixed to the armor connector. A frustum is arranged on the first threaded cylinder, and the first threaded cylinder and the frustum are integrally formed.

4. The armored explosion-proof cable connector according to claim 1, characterized in that: The fixed column is fixedly sleeved on the round platform so that the upper part of the main body is tightly fitted with the lower part of the armored connector.

5. The armored explosion-proof cable connector according to claim 1, characterized in that: A second threaded cylinder is arranged on the upper part of the armored connector, the sealing ring is located above the second threaded cylinder, the sealing ring is in contact with and connected to the second threaded cylinder, and the outer diameter of the sealing ring is equal to the outer diameter of the second threaded cylinder.

6. The armored explosion-proof cable connector according to claim 1, characterized in that: A sealing groove is provided in the middle of the sealing column, the upper part of the sealing column abuts against one side of the inner part of the spiral cap body, and the lower part of the sealing column is in contact with a sealing ring. The sealing column and the sealing ring are used to enhance the sealing of the connection between the armor connector and the spiral cap body.

7. The armored explosion-proof cable connector according to claim 1, characterized in that: The outer diameter of the sealing ring is equal to the outer diameter of the sealing column.

Images