Quick plugging bypass cable terminal plug for cable connection

Abstract

The utility model provides a quick-plugging bypass cable terminal plug for cable connection. The quick-plugging bypass cable terminal plug comprises a silicone rubber sleeve, a front joint, a rear joint and a tailstock, the front connector, the rear connector and the tailstock are sequentially arranged outside the silicone rubber sleeve in a sleeving mode in the axial direction of the silicone rubber sleeve. The silicone rubber sleeve is provided with an insertion cavity for a cable to insert along the axial direction, and is also provided with a connecting cavity communicated with the insertion cavity; a tail end joint of the cable passes through the insertion cavity and is arranged in the connection cavity; a rotation stopping limiting structure is arranged on the inner wall of the rear connector, a rotation stopping limiting matching structure is arranged on the outer wall of the silicone rubber sleeve, and the rotation stopping limiting structure and the rotation stopping limiting matching structure form limiting matching in the axial direction and the circumferential direction of the silicone rubber sleeve; an elastic cavity used for being clamped with a cable is formed in the side, facing the tailstock, of the rear connector, the elastic cavity is defined by a plurality of elastic pieces arranged at intervals in the circumferential direction, and the tailstock is arranged on the outer side of the elastic cavity in a sleeving mode. The front connector is provided with a circle of clamping groove in the direction away from the rear connector.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cable joint, especially to a quick plug-in bypass cable terminal plug. BACKGROUND

[0002] The cable joint is also called cable head, and after the cable is laid, two cables are connected together to make a continuous electrical circuit.

[0003] In the process of realizing the utility model, the inventor finds that the prior art has the following problems:

[0004] The current cable quick plug-in bypass cable terminal plug is one of the combination structure of the silicone rubber sleeve and the metal shell, and the other is the combination structure of the silicone rubber sleeve with the connecting metal piece and the metal shell.

[0005] Therefore, the company has developed a new type of cable plug which can solve the above-mentioned product defects, and its structural features are as follows: first, the connection between the silicone rubber sleeve and the metal shell is more reliable, and the manufacturing and installation process can be quantified and more standardized, and the electrical connection performance and insulation performance are more outstanding; second, the silicone rubber sleeve no longer needs to be connected and fixed with the metal shell by the connecting metal piece, so that the silicone rubber sleeve is easier and more efficient to manufacture, the cost is reduced, the product delivery cycle is effectively shortened, and the good product rate is high. Utility model content

[0006] The main technical problem to be solved by the utility model is to provide a quick plug-in bypass cable terminal plug for cable connection, which is more reliable in connection, simpler, quantifiable, more standardized and more efficient in manufacturing and installation process, has more outstanding electrical connection performance and insulation performance, and has significantly improved good product rate and delivery efficiency of the silicone rubber sleeve.

[0007] In order to solve the above technical problems, the utility model provides a quick plug-in bypass cable terminal plug for cable connection, which comprises a silicone rubber sleeve, a front joint, a rear joint and a tail seat.

[0008] The front joint, the rear joint and the tail seat are sequentially sleeved outside the silicone rubber sleeve along the axial direction of the silicone rubber sleeve; the silicone rubber sleeve is provided with an insertion cavity for inserting the cable along the axial direction, and further provided with a connecting cavity connected with the insertion cavity; the end joint of the cable is arranged in the connecting cavity through the insertion cavity;

[0009] The inner wall of the rear joint is provided with a rotation-stopping limiting structure, and the outer wall of the silicone rubber sleeve is provided with a rotation-stopping limiting matching structure, and the rotation-stopping limiting structure and the rotation-stopping limiting matching structure are in limiting matching along the axial direction and the circumferential direction of the silicone rubber sleeve;

[0010] The side of the rear joint facing the tail seat is provided with an elastic cavity for clamping the cable, and the elastic cavity is formed by a plurality of elastic sheets arranged at intervals along the circumferential direction; and the tail seat is sleeved outside the elastic cavity.

[0011] The front joint is provided with a clamping groove along the direction away from the rear joint.

[0012] In a preferred embodiment, the side wall of the silicone rubber sleeve protrudes radially outward to form a surrounding edge; and the lower edge of the surrounding edge is provided with a plurality of protrusions at intervals along the circumferential direction to form the rotation-stopping limiting matching structure.

[0013] In a preferred embodiment, the rear joint comprises a first part, a second part and a transition part connected between the first part and the second part, and the diameter of the first part is greater than that of the second part; and a plurality of grooves are arranged at intervals along the circumferential direction at the connection between the first part and the transition part to form the rotation-stopping limiting structure.

[0014] In a preferred embodiment, the lower edge of the front joint abuts against the upper edge of the surrounding edge; and a color ring is sleeved outside the lower edge of the front joint and the upper edge of the rear joint.

[0015] In a preferred embodiment, the end joint of the cable is fixed in the connecting cavity through a nut and a gasket.

[0016] In a preferred embodiment, the material of the silicone rubber sleeve is semi-conductive glue and silicone rubber.

[0017] In a preferred embodiment, the materials of the front joint, the rear joint and the tail seat are aluminum alloy or stainless steel.

[0018] In a preferred embodiment, the front joint is further provided with a protruding edge along the direction away from the rear joint.

[0019] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

[0020] The utility model provides a kind of quick plug bypass cable terminal plug for cable connection, the inner wall of rear connector is provided with rotation-stopping limiting structure, the outer wall of silicon rubber sleeve is provided with rotation-stopping limiting cooperation structure, the structure of rear connector is positioned and rotation-stopping to silicon rubber sleeve is adopted.New structure feature makes silicon rubber sleeve and metal shell connection more reliable, not to fall off, manufacturing installation process can be quantized more standard, electrical connection performance insulation performance is more prominent.Silicon rubber sleeve design is more simple, there is no embedded metal piece, no longer need to connect metal piece and metal shell to connect fixed, so that silicon rubber sleeve is made more simply, more efficiently, cost reduction, product delivery cycle effectively shortens, high yield. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is the schematic diagram of terminal plug of the utility model 1;

[0022] Fig. 2 It is the explosion drawing of terminal plug of the utility model 1;

[0023] Fig. 3 It is the sectional view of terminal plug of the utility model 1;

[0024] Fig. 4 It is the schematic diagram of terminal plug of the utility model 2;

[0025] Fig. 5 It is the explosion drawing of terminal plug of the utility model 2;

[0026] Fig. 6 It is the sectional view of terminal plug of the utility model 2. DETAILED DESCRIPTION

[0027] In order to make the technical scheme and characteristics of the utility model more clear, the utility model is further explained in detail in the following with the aid of drawings and specific examples, and it should be understood that these examples are only used to illustrate the utility model and not used to limit the scope of the utility model, after reading the utility model, the modification of various equivalent forms of the utility model by the person skilled in the art falls within the scope defined by the claims attached to the present application.

[0028] Embodiment 1

[0029] Reference Figs. 1-3 The embodiment provides a kind of quick plug bypass cable terminal plug for cable connection, including: silicon rubber sleeve 1, front connector 2, rear connector 3 and tailstock 4;

[0030] The front joint 2, the rear joint 3 and the tail seat 4 are sequentially sleeved outside the silicone rubber sleeve 1 along the axial direction of the silicone rubber sleeve 1; the silicone rubber sleeve 1 is provided with an insertion cavity 11 for inserting the cable 5 along the axial direction, and is further provided with a connecting cavity 12 communicating with the insertion cavity 11; the end joint 51 of the cable 5 is arranged in the connecting cavity 12 through the insertion cavity 11;

[0031] The inner wall of the rear joint 3 is provided with a rotation-stopping limiting structure, and the outer wall of the silicone rubber sleeve 1 is provided with a rotation-stopping limiting matching structure, and the rotation-stopping limiting structure and the rotation-stopping limiting matching structure are in limiting matching along the axial direction and the circumferential direction of the silicone rubber sleeve 1.

[0032] The rear joint 3 is provided with an elastic cavity 34 for clamping the cable 5 on the side facing the tail seat 4, and the elastic cavity 34 is formed by a plurality of elastic pieces 341 arranged along the circumferential direction, and the tail seat 4 is sleeved outside the elastic cavity 34; the arrangement of the elastic cavity 34 can make the quick plug-in bypass cable terminal plug adapt to cables 5 of different diameters.

[0033] The front joint 2 is provided with a ring of convex edges 21 and a ring of clamping grooves 22 in the direction away from the rear joint 3. The material of the front joint 2 is aluminum alloy, and the shape of the front joint 2 can be matched according to the product to be connected. As long as the front joint 2 is inserted into the corresponding product, the end joint 51 of the cable 5 can be electrically connected with the product, and the whole connection process is completed.

[0034] The above-mentioned quick plug-in bypass cable terminal plug for connecting the cable 5, the inner wall of the rear joint 3 is provided with a rotation-stopping limiting structure, and the outer wall of the silicone rubber sleeve 1 is provided with a rotation-stopping limiting matching structure, and the rear joint 3 is used for positioning and rotation-stopping of the silicone rubber sleeve 1. In this way, the design of the silicone rubber sleeve 1 is more simple, without pre-embedded metal parts, which improves the production efficiency and yield of the product. The rear joint 3 is made of aluminum alloy, which can conveniently form the above-mentioned rotation-stopping limiting structure.

[0035] In the embodiment, the side wall of the silicone rubber sleeve 1 protrudes outward along the radial direction to form a ring of surrounding edges 13; a plurality of convex blocks 14 are arranged along the circumferential direction at the lower edge of the surrounding edge 13 to form the rotation-stopping limiting matching structure. Correspondingly, the rear joint comprises a first part 31, a second part 32 and a transition part 33 connected between the first part 31 and the second part 32, and the diameter of the first part 31 is greater than that of the second part 32; a plurality of recesses 35 are arranged along the circumferential direction at the connection between the first part 31 and the transition part 33 to form the rotation-stopping limiting structure.

[0036] In other aspects, the lower edge of the front joint 2 abuts the upper edge of the surrounding edge 13; the lower edge of the front joint 2 is sleeved with a color ring 6 on the upper edge of the rear joint 3. The end joint 51 of the cable 5 is fixed in the connecting cavity 12 through the nut 7 and the gasket 8.

[0037] In this embodiment, after the cable 5 is inserted into the silicone rubber sleeve 1 and is fixed and locked, the rear joint 3 inner wall rotation stopping limiting structure groove 35 is tightly matched with the silicone rubber sleeve 1 side wall protrusion 14 to form rotation stopping, and then the front joint 2 and the rear joint 3 are screwed and connected to make the lower edge of the front joint 2 abut against the silicone rubber sleeve side wall 13 to form fixed rotation stopping and prevent the silicone rubber sleeve 1 from being pulled out of the front joint 2 and the rear joint 3. After the silicone rubber sleeve 1, the front joint 2 and the rear joint 3 are effectively matched, the copper wire is used to tighten the silicone rubber sleeve 1 and the cable 5 by the multiple elastic sheets 341 of the rear joint 3 elastic cavity to prevent the cable from being pulled out, and then the tail seat 4 and the rear joint 3 are screwed and connected to form a complete cable connection quick plug bypass cable terminal plug.

[0038] Embodiment 2

[0039] Reference Figs. 4-6 The embodiment provides a quick plug bypass cable terminal plug for cable connection, which comprises a silicone rubber sleeve 1, a front joint 2, a rear joint 3 and a tail seat 4.

[0040] The front joint 2, the rear joint 3 and the tail seat 4 are sequentially sleeved outside the silicone rubber sleeve 1 along the axial direction of the silicone rubber sleeve 1; the silicone rubber sleeve 1 is provided with an insertion cavity 11 for inserting the cable 5 along the axial direction, and is further provided with a connecting cavity 12 communicating with the insertion cavity 11; the end joint 51 of the cable 5 is arranged in the connecting cavity 12 through the insertion cavity 11;

[0041] The inner wall of the rear joint 3 is provided with a rotation stopping limiting structure, the outer wall of the silicone rubber sleeve 1 is provided with a rotation stopping limiting matching structure, and the rotation stopping limiting structure and the rotation stopping limiting matching structure form a limiting matching along the axial direction and the circumferential direction of the silicone rubber sleeve 1;

[0042] The side of the rear joint 3 facing the tail seat 4 is provided with an elastic cavity 34 for clamping the cable 5, the elastic cavity 34 is formed by multiple elastic sheets 341 arranged along the circumferential direction, and the tail seat 4 is sleeved outside the elastic cavity 34; the arrangement of the elastic cavity 34 can make the quick plug bypass cable terminal plug adapt to cables 5 of different diameters.

[0043] The front connector 2 is provided with a clamping groove 21 in a direction away from the rear connector 3. The material of the front connector 2 is aluminum alloy, and the shape of the front connector 2 can be matched with the product to be connected. As long as the front connector 2 is inserted into the corresponding product, the end connector 51 of the cable 5 can be electrically connected with the product, and the whole connection process is completed.

[0044] The rear connector 3 is provided with a rotation-stopping limiting structure on the inner wall, and the outer wall of the silica gel sleeve 1 is provided with a rotation-stopping limiting matching structure. The rear connector 3 is used to position and stop the rotation of the silica gel sleeve 1. In this way, the silica gel sleeve 1 is designed more simply, without pre-buried metal parts, thereby improving the production efficiency and yield of the product. The rear connector 3 is made of aluminum alloy, and the rotation-stopping limiting structure can be conveniently formed.

[0045] In the embodiment, the side wall of the silica gel sleeve 1 protrudes radially outward to form a surrounding edge 13. The lower edge of the surrounding edge 13 is provided with a plurality of protrusions 14 spaced apart along the circumference to form the rotation-stopping limiting matching structure. Correspondingly, the rear connector includes a first part 31, a second part 32 and a transition part 33 connected between the first part 31 and the second part 32. The diameter of the first part 31 is greater than that of the second part 32. The connection between the first part 31 and the transition part 33 is provided with a plurality of grooves 35 spaced apart along the circumference to form the rotation-stopping limiting structure.

[0046] In other aspects, the lower edge of the front connector 2 abuts against the upper edge of the surrounding edge 13, and the lower edge of the front connector 2 and the upper edge of the rear connector 3 are provided with a color ring 6. The end connector 51 of the cable 5 is fixed in the connecting cavity 12 through a nut 7 and a gasket 8.

[0047] In the embodiment, after the cable 5 is inserted into the silica gel sleeve 1 to complete the locking and fixing, the groove 35 of the rotation-stopping limiting structure on the inner wall of the rear connector 3 is tightly matched with the protrusion 14 of the side wall of the silica gel sleeve 1 to form the rotation-stopping. Then, the front connector 2 is screwed to the rear connector 3 to make the lower edge of the front connector 2 abut against the side wall 13 of the silica gel sleeve to form the rotation-stopping matching structure, thereby preventing the silica gel sleeve 1 from being separated from the front connector 2 and the rear connector 3. After the silica gel sleeve 1, the front connector 2 and the rear connector 3 are effectively matched, the copper wire is used to tighten the silica gel sleeve 1 and the cable 5 through the plurality of elastic sheets 341 spaced apart in the elastic cavity of the rear connector 3, thereby preventing the cable from being separated. Then, the tail seat 4 is screwed to the rear connector 3 to form the complete cable connection quick plug bypass cable terminal plug.

[0048] The above is only one specific embodiment of the present application, but the design concept of the present application is not limited to this. Any non-essential modification of the present application using this concept shall be deemed as an infringement of the protection scope of the present application.

Claims

1. A quick plug bypass cable termination plug for cable connections, characterized by The utility model relates to a cable sleeve, which comprises: a silicone rubber sleeve, a front joint, a rear joint and a tail seat; the front joint, the rear joint and the tail seat are sequentially sleeved outside the silicone rubber sleeve along the axial direction of the silicone rubber sleeve; the silicone rubber sleeve is provided with an insertion cavity for inserting a cable along the axial direction, and further has a connecting cavity connected with the insertion cavity; the end joint of the cable is arranged in the connecting cavity through the insertion cavity; an inner wall of the rear joint is provided with a rotation-stopping limiting structure, and an outer wall of the silicone rubber sleeve is provided with a rotation-stopping limiting matching structure; the rotation-stopping limiting structure and the rotation-stopping limiting matching structure form a limiting match along the axial direction and the circumferential direction of the silicone rubber sleeve; an elastic cavity for clamping the cable is arranged on one side of the rear joint facing the tail seat; the elastic cavity is formed by a plurality of elastic sheets arranged along the circumferential direction at intervals; a clamping groove is arranged on the front joint in a direction away from the rear joint.

2. A quick plug bypass cable termination plug for cable connections according to claim 1, characterized in that: a side wall of the silicone rubber sleeve protrudes radially outward to form a surrounding edge; a lower edge of the surrounding edge is provided with a plurality of protrusions arranged along the circumferential direction to form the rotation-stopping limiting matching structure.

3. A quick plug bypass cable termination plug for cable connections according to claim 2, characterized in that: the rear joint comprises a first part, a second part and a transition part connected between the first part and the second part; the diameter of the first part is greater than that of the second part; a plurality of grooves are arranged along the circumferential direction at the connection between the first part and the transition part to form the rotation-stopping limiting structure.

4. A quick plug bypass cable termination plug for cable connections according to claim 2, characterized in that: a lower edge of the front joint abuts against an upper edge of the surrounding edge; a color ring is arranged outside the lower edge of the front joint and the upper edge of the rear joint.

5. A quick plug bypass cable termination plug for cable connections according to claim 1, characterized in that: the end joint of the cable is fixed in the connecting cavity through a nut and a gasket.

6. A quick plug bypass cable termination plug for cable connections according to claim 1, characterized in that: the material of the silicone rubber sleeve is semi-conductive glue and silicone rubber.

7. A quick plug bypass cable termination plug for cable connections according to claim 1, characterized in that: the material of the front joint, the rear joint and the tail seat is aluminum alloy or stainless steel.

8. A quick plug bypass cable termination plug for cable connections according to claim 1, characterized in that: a protruding edge is further arranged on the front joint in a direction away from the rear joint.

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