CN207977587U - Cable connecting device - Google Patents

Abstract

The utility model relates to a cable connection device, which includes a connection terminal. Two connection terminals can be plugged into each other. The connection terminal includes: an insulator with a mounting surface; male pins arranged on the insulator, and each male pin includes an opposite third One end and a second end, the first end is connected to the insulator, and the second end extends to the outside of the insulator through the mounting surface; the female pins are arranged on the insulator, and each female pin includes a plug hole recessed in the insulator from the mounting surface for plugging. The sockets and male pins of the holes are spaced apart on the mounting surface; the number of female pins is not less than the number of male pins, the connecting lines of the male pins on the mounting surface constitute the first pattern, and the connecting lines with sockets in the female pins constitute the first pattern set of female pins. The cable connection device provided by the embodiment of the present utility model can be used to connect cables to cables and cables to electrical control cabinets, and can reduce the types of its own terminals, thus reducing selection, procurement and work. Reduce the probability of personnel errors and reduce costs.

Description

cable connection device

technical field

The utility model relates to the technical field of cable connection, in particular to a cable connection device.

Background technique

At present, electrical and control equipment are more and more applied to various fields. Taking the field of wind power technology as an example, in order to ensure the normal operation of power transmission and electrical control, a large number of power cables and signal cables are used to connect various electrical and control equipment of wind turbines. When connecting various cables to various electrical and control equipment according to requirements, the usual practice is to extend the two ends of the cables into the corresponding equipment and connect them to the corresponding terminals to achieve electrical connection.

Due to the increasing demand for the connection of cables and cables, and cables and electric control cabinets, people began to use cable connection devices to achieve rapid installation to save more labor and time costs. The connection method of the cable connection device is to set the joint terminals on the two sections of cables to be connected or on the cables and the cabinet respectively, so as to realize quick connection. The so-called cooperating terminals refer to the connectors with different structures that can be plugged and matched with each other on the cables and cables or cables and cabinets, such as male and female connectors, which are similar to household terminals. Power sockets and plugs, so as to realize the rapid installation of cables and cables, cables and electric control cabinets.

However, due to the unreasonable structural design of the cable connection device in the prior art, the types of terminals of the cable connection device will be doubled when there are many cables, resulting in increased error rates for type selection, procurement and engineering personnel And lead to problems such as cost increase.

Therefore, a new cable connection device is urgently needed.

Utility model content

The embodiment of the utility model provides a cable connection device, which can be used for the connection between cables and cables, and between cables and electric control cabinets, and can reduce the types of its own terminals when there are many cables, and then Reduce the probability of errors in selection, procurement and staff, and reduce costs.

According to the embodiment of the utility model, a cable connection device is proposed, which includes a terminal, and the two terminals can be plugged into each other for use. The terminal includes: an insulator, which has a mounting surface; Including opposite first end and second end, the first end is connected to the insulator, and the second end extends out of the insulator through the mounting surface; the female pin is arranged on the insulator, and each female pin includes a socket that is recessed in the insulator from the mounting surface Holes, the sockets of the socket holes and the male pins are distributed at intervals on the mounting surface; wherein, the number of female pins is not less than the number of male pins, the connecting lines of the male pins on the mounting surface form the first pattern, and the sockets of the female pins The connecting wires constitute the female pin group of the first pattern.

According to an aspect of the embodiment of the present invention, the number of connecting terminals is two, and the male needle of one of the two connecting terminals is inserted into the female needle group of the other for use, and the male needle of the other is inserted into the female needle group of one. used in needle sets.

According to an aspect of the embodiment of the present invention, the number of the male pins and the female pins is the same, and the sockets of the male pins and the female pins are distributed on the same circumference of the mounting surface at intervals.

According to an aspect of the embodiment of the present utility model, the sockets of the male needle and the female needle are arranged alternately on the circumference.

According to an aspect of the embodiment of the present invention, the number of male needles and the number of female needles are multiple, m male needles form a group, and each group of male needles is evenly distributed along the circumference; n female needles form a group, each The group of female needles is evenly distributed along the circumference, wherein, m=n and both m and n are integers not less than 2.

According to an aspect of the embodiment of the present invention, the connecting terminal further includes a wire group disposed in the insulator, the m male pins of the same group are connected to each other through the wire group, and the n female pins of the same group are connected to each other through the wire group.

According to one aspect of the embodiment of the present invention, the insulator is a columnar structure with equal cross-section extending along the arrangement direction of the first end and the second end, and the installation surface is an end surface in the direction in which the insulator itself extends, and the shape of the installation surface is circular or regular polygons.

According to an aspect of the embodiment of the present invention, the connection terminal further includes a protective shell, the protective shell is arranged around the insulator and connected with the insulator, and the second end of the male pin extends out of the protective shell.

According to an aspect of the embodiment of the present invention, the connecting terminal further includes a base, the protective shell and the insulator are connected through the base, and the base is provided with mounting holes corresponding to the male pin and the female pin one by one, the first end of the male pin and the female pin The ends of the needles away from the mounting surface are respectively arranged in the mounting holes.

According to an aspect of the embodiment of the present invention, the end of the protective shell close to the installation surface is provided with error-proof pins and error-proof sockets at intervals, and/or, the end of the protective shell away from the installation surface is provided with a male pin for the outside world and And the perforation of the female pin connection.

The cable connection device provided according to the embodiment of the utility model includes an insulating terminal, and the two insulating terminals can be inserted into each other. The insulating terminal includes an insulator, a male pin and a female pin. One end is connected to the insulator, and the second end extends out of the insulator. The female pin is arranged on the insulator and includes a socket hole that is recessed from the installation surface in the insulator. The socket of the socket hole and the male pin are spaced apart on the mounting surface. The number is not less than the number of male pins, the connecting lines of the male pins on the mounting surface form the first pattern, and the connecting lines with sockets in the female pins form the female pin group of the first pattern. The number of terminals of the cable connection device can be set according to the requirements of use. When in use, two terminals form a group and are respectively connected to the cable and the cable or the cable and the control cabinet. The two terminals are plugged into each other. The connection between cables and cables or between cables and control cabinets can be realized by connecting cables. Since the cable connection device uses the same terminals to meet the connection requirements, the types of terminals can be reduced, thereby reducing errors in selection, procurement and staff. probability and reduce costs.

Description of drawings

The features, advantages and technical effects of the exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Fig. 1 is an axonometric view of a cable connection device according to an embodiment of the present invention;

Fig. 2 is a top structural schematic diagram of a cable connection device according to an embodiment of the present invention;

Fig. 3 is an axonometric view of a cable connection device according to another embodiment of the present invention;

Fig. 4 is an axonometric view of a cable connection device according to yet another embodiment of the present invention;

Fig. 5 is a schematic diagram of a partial structure of a cable connection device according to yet another embodiment of the present invention;

Fig. 6 is an axonometric view of a cable connection device according to yet another embodiment of the present invention;

Fig. 7 is a schematic bottom view of the cable connection device shown in Fig. 6 .

in:

100-terminal;

10-insulator; 101-mounting surface; 102-weight reducing hole;

20-male needle; 201-first end; 202-second end;

30-female pin; 301-socket hole; 302-socket;

40 - the first pattern;

50-wire group;

60-protective shell; 601-error-proof pin; 602-error-proof jack; 603-perforation;

70-base; 701-body part; 702-connecting ear; 703-fastener.

In the figures, the same parts are given the same reference numerals. The figures are not drawn to scale.

Detailed ways

Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention. In the drawings and the following description, at least some of the well-known structures and techniques are not shown in order to avoid unnecessary obscurity of the present invention; and, for clarity, the size of some structures may be exaggerated. Furthermore, the features, structures, or characteristics described hereinafter may be combined in any suitable manner in one or more embodiments.

The orientation words appearing in the following description are the directions shown in the figure, and are not intended to limit the specific structure of the cable connection device of the present invention. In the description of the present utility model, it should also be noted that unless otherwise specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, Or integrally connected; can be directly connected or indirectly connected. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In order to better understand the utility model, the cable connection device according to the embodiment of the utility model will be described in detail below with reference to FIGS. 1 to 7 .

Please refer to Fig. 1 and Fig. 2 together, Fig. 1 shows the isometric view of the cable connection device of one embodiment of the present invention, Fig. 2 shows the top view structure of the cable connection device of one embodiment of the present invention schematic diagram. As shown in Fig. 1 and Fig. 2, the embodiment of the utility model proposes a cable connection device, the cable connection device includes a connection terminal 100, and the two connection terminals 100 can be plugged into each other for use. The terminal 100 includes an insulator 10 , a male pin 20 and a female pin 30 . The insulator 10 has a mounting surface 101 . The male pins 20 are disposed on the insulator 10 , each male pin 20 includes opposite first ends 201 and second ends 202 , the first ends 201 are connected to the insulator 10 , and the second ends 202 extend out of the insulator 10 through the mounting surface 101 . The female pins 30 are disposed on the insulator 10 , and each female pin 30 includes an insertion hole 301 recessed from the installation surface 101 into the insulator 10 , and the sockets 302 of the insertion holes 301 and the male pins 20 are spaced apart on the installation surface 101 . Wherein, the number of female pins 30 is not less than the number of male pins 20, the connecting lines of male pins 20 on the mounting surface 101 form the first pattern 40, and the connecting lines with sockets 302 in the female pins 30 form the female pins of the first pattern 40 Group.

The cable connection device provided by the embodiment of the utility model can be used for the connection of cables and cables, and cables and electric control cabinets, and in the case of many cables, it can reduce the types of its own terminal 100, and then Reduce the probability of errors in selection, procurement and staff, and reduce costs.

Specifically, the insulator 10 of the cable connection device is preferably a columnar structure with equal cross-section extending along the arrangement direction of the first end 201 and the second end 202 of the male pins 20, and the insulator 10 can be made of insulating materials such as PVC. columnar body. In order to reduce the weight of the insulator 10 while saving materials and reducing costs, it is preferable to provide a weight-reducing hole 102 on the insulator 10 . The installation surface 101 is an end surface in the extending direction of the insulator 10 itself, and the shape of the installation surface 101 is preferably a circle, of course, it can also be a polygon, preferably a regular polygon. Since any two terminals 100 in the terminal 100 included in the cable connection device provided by the embodiment of the present invention can be plugged and used with each other, the insulator 10 of the terminal 100 is limited to the above-mentioned form, and the mounting surface 101 is limited. The shape makes it convenient for the two terminals 100 to be docked when they are plugged into each other, and the outer rings of the interfaces overlap each other to ensure that the interfaces are smooth and beautiful. The mounting surface 101 is preferably a plane, and the said plane is not limited to an absolute plane, and uneven surfaces due to factors such as machining errors are allowed.

The male pin 20 is a solid rod with a predetermined length and conduction. The first end 201 and the second end 202 are the two ends of the male pin 20 in the length direction. The extension length is that the first end 201 of the male pin 20 is plugged into the insulator 10 and extends along the extension direction of the insulator 10 , and the second end 202 protrudes from the mounting surface 101 to the outside of the insulator 10 .

The female pin 30 is a conductive hollow rod with a predetermined length. The hollow position of the hollow rod forms the insertion hole 301 mentioned above. The diameter of the insertion hole 301 matches the diameter of the male needle 20 . The female pin 30 is integrally inserted into the insulator 10 and extends along the axial direction of the insulator 10 .

Please refer to FIG. 3 together. FIG. 3 shows a perspective view of a cable connection device according to another embodiment of the present invention. The number of terminal blocks 100 included in the cable connection device is not specifically limited, it can be one, or more than two, as shown in Figure 3, preferably two, because the number of female pins 30 is not less than the number of male pins The number of 20, the connecting line of the male pin 20 on the mounting surface 101 constitutes the first pattern 40, the connecting line of the female pin 30 with the socket 302 constitutes the female pin group of the first pattern 40, so that one of the two terminal blocks 100 One male needle 20 can be inserted into the other female needle set for use, and the other male needle 20 can be inserted into one female needle set for use. That is, the two connection terminals 100 included in the cable connection device have the same structure and can be used in conjunction with each other, so that in an applied environment such as a wind power generating set, in the case of a large number of cables, the number of connection terminals 100 of its own can be reduced. Types, thereby reducing the chance of selection, procurement and staff errors, and reducing costs.

As mentioned above, the number of female pins 30 is not less than the number of male pins 20 to meet the requirements, that is, the number of female pins 30 can be greater than the number of male pins 20, as long as the connecting line with the socket 302 can form the first pattern 40 The female pin group is enough. The number of male pins 20 and female pins 30 is not specifically limited, and may be one or more than two, as long as the two terminals 100 can be plugged into each other and used together.

Of course, in order to better realize that any two connection terminals 100 of the cable connection terminal can be better plugged into each other, and considering the material cost and processing cost of a single connection terminal 100, as an optional implementation mode, the female The number of needles 30 is preferably the same as the number of male needles 20, and all female needles 30 together form the above-mentioned female needle group. The sockets 302 of the male pins 20 and the female pins 30 are distributed on the same circumference of the mounting surface 101 at intervals. For example, the same circumference of the mounting surface 101 can be divided into two semi-arc areas, all male pins 20 are located in one semi-arc area, and all female pins 30 are located in the other semi-arc area, so as to meet the requirements of the cable connection device. wiring requirements. Of course, this is an optional implementation mode. In order to better meet the insertion requirements of any two terminals 100 and at the same time ensure the reliability of the electrical connection between the two, as shown in Figures 2 and 3, as a In an optional embodiment, the sockets 302 of the male pins 20 and the female pins 30 are arranged alternately on the circumference. That is, a female needle 30 is arranged at intervals between two male needles 20 , and similarly, a male needle 20 is arranged at intervals between two female needles 30 .

The number of male needles 20 and female needles 30 is preferably multiple, m male needles 20 form a group, each group of male needles 20 is evenly distributed along the circumference, n female needles 30 form a group, each group of female needles 30 along the circumference Evenly distributed, where m=n and both m and n are integers not less than 2, taking the structure of the terminal 100 of the cable connection device shown in Figure 2 as an example, the male pin 20 and the female pin 30 of the terminal 100 The quantity is 8, wherein m and n are both equal to 2, that is, two male needles 20 form a group and are evenly distributed on the circumference. Specifically, A and A1, C and C1, E and E1, and G and G1 are respectively the same group of male needles 20 and form 180° with each other. Similarly, two female needles 30 form a group and are evenly distributed on the circumference, that is, B and B1, D and D1, and F shown in Figure 2 It is the same group of female needles 30 as F1, H and H1 respectively, and they form 180° with each other. Through the above settings, any two terminals 100 of the cable connection device can be plugged and used in conjunction with positive connection or reverse connection, which is more convenient for quick connection between cables and cables or between cables and electric control cabinets .

Please refer to FIG. 4 together. FIG. 4 shows an axonometric view of a cable connection device according to another embodiment of the present invention. In one embodiment, the connection terminal 100 further includes a protective shell 60 , the protective shell 60 is disposed around the insulator 10 and connected to the insulator 10 , and the second end 202 of the male pin 20 extends out of the protective shell 60 . Any two connection terminals 100 of the cable connection device are not affected by the protective shell 60, ensuring that the two can be used in cooperation with each other.

The cross-sectional shape of the protective shell 60 in the axial direction of the insulator 10 is not specifically limited, and may be circular, elliptical, or polygonal. In one example, as shown in FIG. 4 , it may also be a waist circular shape. Cooperating with the male pins 20 of the same group and the female pins 30 of the same group as defined above are mutually 180°, which is more conducive to the positive connection or reverse connection of any two terminals 100, and the protective shell 60 can be made of non-metallic materials such as PVC Or use a ring structure made of anti-corrosion treated metal material.

Please also refer to FIG. 5 . FIG. 5 shows a schematic diagram of a partial structure of a cable connection device according to another embodiment of the present invention. In order to facilitate the connection between the protective case 60 and the insulator 10 . As an optional implementation, the terminal block 100 also includes a base 70, through which the protective shell 60 and the insulator 10 are connected. The base 70 may specifically include a body part 701 and connecting ears 702 connected to the body part 701. The part 701 can preferably be a circular plate-shaped structure matching the shape of the mounting surface 101 , and the number of the connecting ears 702 can be two or more and arranged at intervals around the outer periphery of the main body part 701 . The body part 701 of the base 70 is provided with installation holes corresponding to the male needle 20 and the female needle 30 one by one, and the first end 201 of the male needle 20 and the end of the female needle 30 away from the installation surface 101 are respectively arranged in the corresponding installation holes. , at the same time, in order to better fix the male pin 20, the female pin 30 and the base 70, preferably on the outer periphery of the body part 701 of the base 70, a fastener 703 corresponding to the mounting hole is provided one-to-one, through the fastener 703 The male pin 20 and the female pin 30 are fixedly connected to the base 70 . The end surface of the insulator 10 away from the mounting surface 101 and the body portion 701 of the base 70 are attached to each other. In order to ensure the reliability of the structure of the terminal 100, the insulator 10 and the body portion 701 of the base 70 can preferably be connected to each other by bonding or the like. The base 70 is connected to the protective shell 60 through the connecting ear 702. In order to facilitate the connection with the connecting ear 702 of the base 70, the protective shell 60 also includes a sealing plate, which is located at the side of the annular body of the protective shell 60 away from the mounting surface 101. At one end, the connecting ear 702 of the base 70 is connected to the sealing plate of the protective case 60 , and then the connection between the protective case 60 , the insulator 10 , the male pin 20 and the female pin 30 is realized through the base 70 .

As an optional implementation, as shown in FIG. 5 , the connection terminal 100 also includes a wire group 50 disposed in the insulator 10, m male pins 20 of the same group are connected to each other through the wire group 50, and n male pins 20 of the same group are connected to each other through the wire group 50. The female pins 30 are connected to each other by a wire set 50 . Still taking the connection terminal 100 of the cable connection device shown in FIG. 2 as an example, the two male pins A and A1 form a group and are connected to each other through the wire group 50. Correspondingly, C and C1, E and E1, G and The male pins 20 corresponding to G1 are each in one group, and the two male pins 20 in each group are connected to each other through the wire group 50 . The two female pins B and B1 form a group and are connected to each other through the wire group 50. Correspondingly, the female pins 30 corresponding to D and D1, F and F1, H and H1 form a group, and the two female pins in each group The needles 30 are connected to each other through the wire group 50. Through the above-mentioned settings, when any two terminals 100 can be connected in a positive connection or a reverse connection, since the male needles 20 or female needles of the same group have been connected inside the terminal 100 30 is connected, so there is no need for additional wire jumpers at the bottom of the terminal 100, which simplifies the structure of the terminal 100 and facilitates the connection of the cable connection device with the cable or the electric control cabinet.

Please refer to FIG. 6 and FIG. 7 together. FIG. 6 shows an isometric view of another cable connection device of the present invention, and FIG. 7 shows a schematic bottom view of the cable connection device shown in FIG. 6 .

As shown in Figure 6, as an optional implementation, the end of the protective shell 60 close to the installation surface 101 is provided with error-proof pins 601 and error-proof jacks 602 at intervals. The pin 601 enables any two terminals 100 with the protective shell 60 to be used in conjunction with each other to quickly realize the alignment and connection of the two terminals 100. When there are many cables in the applied environment, not only It is possible to reduce the types of its own connection terminal 100, and at the same time, it is possible to improve connection efficiency.

The shapes of the error-proof pins 601 and the error-proof jacks 602 are not specifically limited. The error-proof pins 601 can be square pins, circular pins, oval pins, etc. The shapes of the pins 601 are compatible. At the same time, the numbers of the error-proofing pins 601 and the error-proofing jacks 602 are not specifically limited, and are preferably equal, as long as it can ensure that any two terminals 100 are used together, the two can be quickly connected to each other. Just plug in and fit.

As shown in FIG. 7 , as an optional embodiment, a perforation 603 for connecting the external world with the male pin 20 and the female pin 30 is provided at the end of the protective shell 60 away from the mounting surface 101. The perforation 603 is preferably provided in the protective shell. On the sealing plate of the body 60, the outside world can be cables, the wiring of the electric control cabinet, etc. The shape of the perforation 603 is not specifically limited. In an optional embodiment, the perforation 603 can be an annular groove arranged coaxially with the circumference where the male needle 20 and the female needle 30 are arranged. The corresponding fan-shaped slots of the female pins 30 can be used as long as they can meet the connection between the outside world and the corresponding male pins 20 and female pins 30 .

It can be understood that, the above embodiments are all described by taking the female pin 30 as an example of a hollow rod with a predetermined length and conduction. This is a preferred implementation mode, but not limited thereto. In some embodiments, The female pin 30 can also be composed of a through hole arranged on the insulator 10 and a conductor arranged in the through hole. The connection hole 301 can also meet the usage requirements of the connection terminal 100 .

At the same time, the number of male pins 20 and female pins 30 in the above embodiments is 8 as an example, and the values of m and n are both limited to 2. This is an optional embodiment and is not limited thereto, for example , the number of male needles 20 and female needles 30 can be less than 8, such as 7 or 6, and of course, can also be more than 8, such as 9 or 10, preferably an even number. At the same time, the number of m and n The numerical values can also be 3, 4 or even more, which can be set according to specific usage requirements, and no examples are given here.

Therefore, in the cable connection device provided by the embodiment of the present invention, any two of the insulated terminals included in the cable connection device can be inserted into each other, so that when the cable connection device is in use, any two connection terminals 100 It can be a group and connected to the cable and the cable or the cable and the control cabinet respectively, and the connection between the cable and the cable or the cable and the control cabinet is realized by plugging the two terminal blocks 100 into each other. Since the cable connection device adopts The same connection terminal 100 meets the connection requirements, which can reduce the types of connection terminals 100 of the cable connection device, thereby reducing the error probability of selection, procurement and staff, and reducing costs. In application, the cables connected by the cable connection device may be power cables or signal cables, which are applicable to various transmission modes, and therefore, are easy to popularize and use.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for parts thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the technical features mentioned in the various embodiments can be combined in any manner. The utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims (10)

1. A cable connection device, comprising a connection terminal (100), characterized in that two connection terminals (100) can be plugged into each other for use, and the connection terminal (100) comprises: an insulator (10) having a mounting surface (101); Male pins (20), arranged on the insulator (10), each of the male pins (20) includes opposite first ends (201) and second ends (202), and the first ends (201) are connected to In the insulator (10), the second end (202) extends out of the insulator (10) through the installation surface (101); Female pins (30), arranged on the insulator (10), each of the female pins (30) includes an insertion hole (301) recessed from the installation surface (101) into the insulator (10), The sockets (302) of the socket holes (301) and the male pins (20) are distributed at intervals on the mounting surface (101); Wherein, the number of the female pins (30) is not less than the number of the male pins (20), and the connecting lines of the male pins (20) on the installation surface (101) form a first pattern (40), The connecting lines with the sockets (302) in the female pins (30) constitute the female pin group of the first pattern (40). 2. The cable connection device according to claim 1, characterized in that, the number of the connecting terminals (100) is two, and the male pin (20) of one of the two connecting terminals (100) ) is inserted into the female needle set of the other for use, and the male needle (20) of the other is inserted into the female needle set of the one for use. 3. The cable connection device according to claim 1, characterized in that, the number of the male pins (20) and the female pins (30) is the same, and the male pins (20) and the female pins ( 30) the sockets (302) are distributed at intervals on the same circumference of the installation surface (101). 4. The cable connection device according to claim 3, characterized in that, the sockets (302) of the male pins (20) and the female pins (30) are alternately arranged on the circumference. 5. The cable connection device according to claim 3, characterized in that, the number of the male pins (20) and the number of the female pins (30) are multiple, and the m male pins (20) ) is a group, and the male needles (20) of each group are uniformly distributed along the circumference; n female needles (30) are a group, and the female needles (30) of each group are uniformly distributed along the circumference, Wherein, m=n and both m and n are integers not less than 2. 6. The cable connection device according to claim 5, characterized in that, the connection terminal (100) further comprises a wire group (50) arranged in the insulator (10), the m pieces of the same group The male needles (20) are connected to each other through the wire group (50), and the n female needles (30) of the same group are connected to each other through the wire group (50). 7. The cable connection device according to any one of claims 1 to 6, characterized in that, the insulator (10) is a row along the first end (201) and the second end (202). A columnar structure of equal cross-section extending in the cloth direction, the installation surface (101) is an end surface in the extension direction of the insulator (10) itself, and the shape of the installation surface (101) is a circle or a regular polygon. 8. The cable connection device according to any one of claims 1 to 6, characterized in that, the connection terminal (100) further comprises a protective shell (60), and the protective shell (60) surrounds the The insulator (10) is arranged and connected with the insulator (10), and the second end (202) of the male pin (20) extends out of the protective shell (60). 9. The cable connection device according to claim 8, characterized in that, the connection terminal (100) further comprises a base (70), and the protective shell (60) and the insulator (10) pass through the The base (70) is connected, and the base (70) is provided with mounting holes corresponding to the male pin (20) and the female pin (30) one by one, and the first pin of the male pin (20) The end (201) and the end of the female pin (30) away from the installation surface (101) are respectively arranged in the installation hole. 10. The cable connection device according to claim 8, characterized in that, one end of the protective shell (60) close to the installation surface (101) is provided with error-proof pins (601) and error-proof insertion pins at intervals. hole (602), and/or, the end of the protective shell (60) away from the installation surface (101) is provided with a through hole for connecting the external world with the male pin (20) and the female pin (30) (603).