CN206789772U - The connector construction of cable - Google Patents

Abstract

The utility model discloses a kind of connector construction of cable, including：Housing, the both ends of housing cavity volume form the first mounting hole and the second mounting hole respectively, and board and the installing plate of relative board turnover are additionally provided with housing；Cable, including inner wire and outer quilt, one end of cable are inserted in cavity volume from the second mounting hole；Binding post, binding post one end socket-connect with inner wire, and the other end exposes to housing through the first mounting hole；Gland, there is storage tank and the notch connected with storage tank, gland to cover the first mounting hole and be abutted with board, notch is passed through with for binding post；And tail-hood, the second mounting hole is covered, tail-hood is provided with the fairlead that current supply cable draws cavity volume.The connector construction of the utility model cable is simple, is easily assembled to, and the faying face for some nonplanar structures that can be installed in engineering, the scope of application are wider.

Description

Cable connector structure

technical field

The utility model relates to the field of electrical connectors, in particular to a cable connector structure.

Background technique

High-voltage connectors are widely used in various fields, especially in the new energy vehicle industry, where high-voltage connectors are extremely important components. One of the characteristics of new energy vehicles is that new energy vehicles often work in a high current and high voltage environment, while traditional car connectors are not firmly connected and have low reliability. During the operation of the car, the connector is prone to loosening due to the vibration of the car body. , has a great safety hazard; and most of the traditional high-voltage connectors have complex structures, and their installation surfaces are often on the socket plane. For some special joint surfaces in engineering, such as the situation where the connection joint and the installation are not on the same plane, it is often not suitable.

Utility model content

The main purpose of the utility model is to propose a cable connector structure, which aims to solve the technical problems of the existing high-voltage connector with complex structure and poor installation applicability.

In order to achieve the above object, the connector structure of the cable proposed by the utility model includes:

The casing has a cavity with two ends through it, and the two ends of the cavity respectively form a first installation hole and a second installation hole, and the edge of the first installation hole is provided with a The combination plate on the surface, the edge of the combination plate away from the housing is provided with a mounting plate that is folded relative to the combination plate;

A cable, including an inner conductor and an outer jacket, one end of the cable is inserted into the cavity through the second installation hole;

A connection terminal, one end of the connection terminal is socketed with the inner conductor at one end of the cable extending into the cavity, and the other end is exposed to the housing through the first installation hole;

The fixed head has an accommodating groove and a notch communicating with the accommodating groove, the fixed head covers the first installation hole and abuts against the coupling plate, the accommodating groove and the accommodating cavity docking, the notch is used for the terminal to pass through; and

The tail cover covers the second installation hole, and the tail cover is provided with a lead hole for the cable to lead out of the cavity.

Preferably, a lug is provided on the end of the mounting plate away from the coupling plate, and an assembly hole is opened on the lug.

Preferably, the fixing head includes a core and a covering part, the core is a cylindrical structure with one end open, the accommodating groove is formed in the core, and the notch is opened in the core The end opposite to the open end of the core; the covering portion protrudes from the outer peripheral surface of the core and is set away from the open end of the core; the open end of the core is placed In the cavity, the end surface of the cover part opposite to the housing abuts against the connecting plate, and the cable passes through the open end of the core part into the accommodating groove.

Preferably, a positioning protrusion is provided on the end surface of the cover portion opposite to the housing, and a positioning groove matching the positioning protrusion is provided on the coupling plate.

Preferably, the inner wall of the housing near the second installation hole extends toward the cable to form a partition, and the partition is provided with a first through hole for the cable to pass through.

Preferably, the cable further includes an insulating layer and a shielding layer, and the insulating layer, the shielding layer and the outer cover are sequentially sleeved on the inner conductor from the inside to the outside; the shell is made of metal material, The fixing head is made of insulating material, and the connector structure of the cable also includes:

The electrical contact ring is placed in the cavity and sleeved on the shielding layer, the electrical contact ring abuts against the inner edge of the first through hole on the shielding layer and the separator.

Preferably, the inner wall of the core is provided with an elastic arm, and the elastic arm is formed by extending from the inner wall of the core in a direction close to the first installation hole and obliquely toward the axis of the cable. The free end of the arm is provided with a locking protrusion facing the cable, and the outer peripheral surface of the electrical contact ring is provided with an annular locking groove adapted to the locking protrusion.

Preferably, a claw is also included, and the claw includes a cylindrical side wall and an end wall closing one end of the side wall, and a second through hole for the cable to pass is opened on the end wall, from which the The inner edge of the second through hole is close to the first installation hole and extends obliquely toward the axis of the cable to form a first elastic piece; the side wall is sleeved on the core, and the end wall is sandwiched between the Between the end surface of the core facing the second installation hole and the separator, the first elastic piece abuts against the electrical contact ring.

Preferably, it is characterized in that it also includes a first sealing ring and a second sealing ring, and a first annular ring for accommodating the first sealing ring is provided on the outer wall surface of a section of the cavity where the core is placed. groove, the first sealing ring is placed in the first annular groove and sealingly fits with the inner wall of the housing; the second sealing ring is sleeved on the outer quilt and placed between the partition In the cavity surrounded by the second installation hole, the second sealing ring is in sealing fit with the cover and the inner wall of the second installation hole.

Preferably, it also includes a third sealing ring, the covering portion is annular, and the outer peripheral surface of the covering portion is provided with a second annular groove adapted to the third sealing ring, and the third sealing ring covers In the second annular groove, it is used to seal the external mechanism that is engaged with the covering portion.

The connector structure of the cable of the utility model is provided with a first installation hole and a second installation hole at both ends of the cavity of the housing respectively, and the end of the cable is inserted into the cavity from the second installation hole after being socketed with the terminal. The end of the terminal far away from the cable is exposed to the housing through the first installation hole, and the fixing head covers the first installation hole and abuts against the joint plate protruding from the outer peripheral surface of the housing, so that the cable can be stably installed inside the housing , and the end of the terminal far away from the cable passes through the notch on the fixed head to connect with the external electrical contact, so that the connector of the utility model cable has a simple structure and is easy to assemble; in addition, the connecting plate is far away from the shell The edge of the cable is provided with a mounting plate that is folded relative to the bonding plate, so that the connector structure of the cable of the present invention can be installed on the bonding surface of some non-planar structures in the project, and the scope of application is wider.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to the structures shown in these drawings without creative work.

Fig. 1 is the assembly schematic diagram of an embodiment of the connector structure of the cable of the present invention;

Fig. 2 is a schematic front view of the connector structure of the cable in Fig. 1;

Fig. 3 is a schematic cross-sectional structure diagram of the linker structure of the cable in Fig. 2 along the line III-III;

Fig. 4 is a schematic diagram of the enlarged structure at A in Fig. 3;

Figure 5 is a schematic diagram of the enlarged structure at B in Figure 3;

Fig. 6 is a schematic diagram of an exploded structure of the connector structure of the cable in Fig. 1;

Fig. 7 is a schematic top view of the housing in Fig. 1;

Fig. 8 is a schematic cross-sectional structure diagram of the casing along the VIII-VIII line in Fig. 7;

Fig. 9 is a schematic cross-sectional structure diagram of the housing along line IX-IX in Fig. 7;

Fig. 10 is a schematic diagram of a partial cross-sectional structure of the electrical contact ring in Fig. 1;

Fig. 11 is a schematic front view of the fixed head in Fig. 1;

Fig. 12 is a schematic cross-sectional structure diagram of the fixed head along line XII-XII in Fig. 11;

Fig. 13 is a structural schematic diagram of another angle of the fixed head in Fig. 1;

Fig. 14 is a schematic diagram of a partial cross-sectional structure of the fixed head in Fig. 13;

Fig. 15 is a schematic structural view of the claw in Fig. 1;

Fig. 16 is a schematic diagram of a partial cross-sectional structure of the claw in Fig. 15;

Fig. 17 is a schematic top view of the claw in Fig. 15;

Fig. 18 is a schematic structural view of the tail cap in Fig. 1 .

Explanation of reference numbers:

label name label name label name 1 case 311 Via 511 second recess 11 Cavity 32 Socket 52 Ring slot 111 first mounting hole 4 fixed head 6 Jaws 112 Second mounting hole 42 cover part 61 end wall 12 Partition 422 second annular groove 611 Second via 121 first via 43 Core 612 first shrapnel 122 first recess 431 elastic arm 62 side wall 13 Combined plate 432 card convex 613 second shrapnel 131 Locating slot 433 craft tank 614 third shrapnel 15 raised 434 electrical contact card slot 615 limit key 14 mounting plate 435 Limit card slot 7 first sealing ring 141 Lugs 436 The guide groove 8 Second sealing ring 142 Assembly hole 437 Limit slot 9 third sealing ring 2 cable 438 first annular groove 10 Tail cover twenty one inner conductor 44 notch 101 Fixed cylinder twenty two Shield 5 electrical contact ring 103 Lead hole twenty three outside 51 ring flange 102 tail cap 3 Terminals 31 Wiring 104 hanging hole

The realization, function and advantages of the utility model will be further described with reference to the accompanying drawings in conjunction with the embodiments.

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.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present utility model, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the relative positional relationship, movement conditions, etc. between the components shown in the figure below are changed, if the specific posture changes, the directional indication will also change accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. Implying their relative importance or implying the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , also not within the scope of protection required by the utility model.

The utility model provides a cable connector structure.

In this utility model embodiment, please refer to Fig. 1, Fig. 3 and Fig. 6, the connector structure of this cable includes:

The housing 1 has a cavity 11 through which both ends are formed inside. The two ends of the cavity 11 respectively form a first mounting hole 111 and a second mounting hole 112. The edge of the first mounting hole 111 is provided with a protruding shell 1 The connecting plate 13 on the outer peripheral surface, the edge of the connecting plate 13 away from the housing 1 is provided with a mounting plate 14 folded relative to the connecting plate 13;

The cable 2 includes an inner conductor 21 and an outer jacket 23, and one end of the cable 2 is inserted into the cavity 11 from the second installation hole 112;

Terminal 3, one end of the terminal 3 is socketed with the inner conductor 21 at one end of the cable 2 extending into the cavity 11, and the other end is exposed to the housing 1 through the first installation hole 111;

The fixed head 4 has a receiving groove and a notch 44 communicating with the receiving groove. The fixed head 4 covers the first installation hole 111 and abuts against the connecting plate 13. The receiving groove is docked with the receiving cavity 11, and the notch 44 is used for the terminal 3 to pass through; and

The tail cover 10 covers the second installation hole 112 , and the tail cover 10 is provided with a lead hole 103 for the cable 2 to lead out of the cavity 11 .

In this embodiment, a cavity 11 through which both ends are formed inside the housing 1 is used to provide basic protection and support for the components placed therein. The mounting plate 14 is used to fix the cable connector on the joint surface in the project. The mounting plate 14 is folded relative to the joint plate 13 to form a certain angle, such as an acute angle, a right angle or an obtuse angle, which can realize the structure and engineering of the cable connector. Some special joint surfaces, such as the stable installation of the joint surface where the connection joint and the installation are not on the same plane. The connection terminal 3 is used to facilitate electrical connection with external electrical devices, for example, to transmit electrical energy. The fixed head 4 is generally made of insulating material, and the accommodating groove inside the fixed head 4 is used for insulation protection and installation and fixing of the components placed therein, and it also plays a role of supporting the cable 2 while covering the first installation hole 111 .

The connector structure of the cable of the utility model is provided with a first installation hole 111 and a second installation hole 112 at both ends of the cavity 11 of the housing 1, and the end of the cable 2 is connected to the terminal 3 from the second installation hole 112. Inserted in the cavity 11, the end of the terminal 3 away from the cable 2 is exposed to the housing 1 through the first installation hole 111, and the first installation hole 111 is covered by the fixing head 4 and protruded on the outer peripheral surface of the housing 1 The connecting plate 13 of the connecting plate 13 abuts against each other, so that the cable 2 can be stably installed inside the housing 1, and the end of the terminal 3 away from the cable 2 passes through the notch 44 on the fixed head 4 to connect with the external electrical contact, so that The connector structure of the cable of the present utility model is simple, is easy to assemble; In addition, also be provided with the mounting plate 14 that is turned over relative to the connecting plate 13 at the edge of the connecting plate 13 away from the housing 1, so that the connector structure of the cable of the present utility model can be Realize the cable connector structure and some special joint surfaces in the project, such as the stable installation of the joint surface where the connection joint and the installation place are not on the same plane, and the scope of application is wider.

Further, a lug 141 is provided on the end of the mounting plate 14 away from the connecting plate 13 , and an assembly hole 142 is opened on the lug 141 .

In this embodiment, there may be one or more lugs 141, preferably two. By opening assembly holes 142 on the lugs 141 and cooperating with the external engineering surface, the fixed connection between the mounting plate 14 and the external engineering surface can be realized. . Preferably, the connecting plate 13 is perpendicular to the axis of the cable 2, and the mounting plate 14 is perpendicular to the connecting plate 13, so as to realize the curved connection between the connector housing 1 and the external engineering surface.

Further, please refer to FIG. 3 and FIG. 12 together. The fixed head 4 includes a core portion 43 and a covering portion 42. The core portion 43 is a cylindrical structure with one end open. The accommodating groove is formed in the core portion 43. The notch 44 is provided at the opposite end of the core 43 and the open end of the core 43; the cover part 42 is protruded from the outer peripheral surface of the core 43 and is set away from the open end of the core 43; the open end of the core 43 is located In the cavity 11 , the end surface of the cover portion 42 opposite to the housing 1 abuts against the connecting plate 13 , and the cable 2 passes through the open end of the core portion 43 into the cavity.

In this embodiment, the core part 43 and the cover part 42 can be integrally injection molded, and the accommodating groove in the core part 43 can protect and support the cable 2. Preferably, the edge of the notch 44 is along the edge of the cable. Axially extending away from the fixed head 4 to form a fixed groove structure with a certain volume, the connecting terminal 3 protrudes from the notch 44 of the fixing groove, the fixing groove structure can play a fixing role for the connecting terminal 3, so that the connecting terminal 3 is plugged in It will not shake from side to side when pulling out.

Further, a positioning protrusion (not shown) is provided on the end surface of the cover portion 42 opposite to the housing 1 , and a positioning groove 131 matching the positioning protrusion is provided on the coupling plate 13 .

In this embodiment, by providing positioning protrusions on the cover portion 42, the positioning protrusions are placed in the positioning grooves 131 on the coupling plate 13 during assembly, so that the fixing head 4 can be quickly and accurately connected to the housing 1 , to prevent wrong assembly orientation.

Further, please refer to FIG. 8 and FIG. 9 , the inner wall of the housing 1 near the second mounting hole 112 extends toward the cable 2 to form a partition 12 , and the partition 12 is provided with a first through hole 121 for the cable 2 to pass through. .

In this embodiment, the partition 12 divides the cavity 11 into two chambers, and the open end of the core 43 of the fixed head 4 is placed in the chamber near the first installation hole 111, and the partition 12 is opposite to the core 43. Play a certain supporting role.

Further, please refer to FIG. 3 and FIG. 10 together. The cable 2 also includes an insulating layer (not marked) and a shielding layer 22. The insulating layer, the shielding layer 22 and the sheath 23 are sleeved on the inner conductor 21 in sequence from the inside to the outside. ;The housing 1 is made of metal material, the fixed head 4 is made of insulating material, and the cable connector structure also includes:

The electrical contact ring 5 is placed in the cavity 11 and sleeved on the shielding layer 22 , and the electrical contact ring 5 abuts against the inner edge of the first through hole 121 on the shielding layer 22 and the separator 12 .

In this embodiment, the cable 2 is a coaxial cable, or a cable that needs to be protected by a shielding layer 22, and the shielding layer 22 is generally made of a mesh made of wires. The shielding wire on the shielding layer 22 is turned back and electrically connected to the electrical contact ring 5. It can be understood that, in this embodiment without claws 6, the outer peripheral surface of the electrical contact ring 5 is connected to the first through hole on the separator 12. The inner edge of 121 abuts to realize the electrical connection with the housing 1, so as to play the role of connection shielding; and in the embodiment provided with the claw 6, the electrical contact ring 5 contacts the first elastic piece 612 of the claw 6, Then, the second elastic piece 613 is in contact with the housing 1 to form an electrical connection, so as to play the role of connection shielding. In addition, the shell 1 is made of metal material, which itself can also form a shielding structure.

Further, please refer to FIG. 4 , in order to position the fixing head 4, a first concave portion 122 is provided at the joint between the inner wall surface of the first through hole 121 and the side of the partition plate 12 facing the second mounting hole 112, and the first concave portion 122 has the shape of The cross-section of the annular and first concave portion 122 is stepped.

An annular flange 51 protrudes from the outer peripheral surface of the electrical contact ring 5 near the second mounting hole 112, and a second recess 511 is provided at the connection between the outer peripheral surface of the annular flange 51 and the side facing away from the second mounting hole 112. The concave portion 511 is annular and the cross-section of the second concave portion 511 is stepped.

The stepped surface of the first recess 122 facing the second mounting hole 112 overlaps the stepped surface of the second recess 511 facing the first mounting hole 111 .

Further, please refer to FIG. 5 , the inner wall of the core 43 is provided with an elastic arm 431, and the elastic arm 431 extends from the inner wall of the core 43 along the direction close to the first installation hole 111 and extends obliquely toward the axis of the cable 2. The free end of 431 is provided with a protrusion 432 facing the cable 2 , and the outer peripheral surface of the electrical contact ring 5 is provided with an annular groove 52 adapted to the protrusion 432 .

In this embodiment, by placing the protrusion 432 on the elastic arm 431 in the annular groove on the outer peripheral surface of the electrical contact ring 5, the installation and positioning of the fixed head 4 and the electrical contact ring 5 can be realized, which facilitates the installation. Preferably, the inner wall of the core 43 is provided with a process groove 433, one end of the process groove 433 extends to the root of the elastic arm 431, and the other end penetrates to the end surface of the core 43 exposed to the cavity 11 in a direction away from the open end of the core 43 , to facilitate the release of the core 43 during molding.

Further, please refer to Fig. 15 to Fig. 17, the cable connector structure further includes a claw 6, the claw 6 includes a cylindrical side wall 62 and an end wall 61 closing one end of the side wall 62, and the end wall 61 is provided with a The second through hole 611 through which the cable 2 passes, extends from the inner edge of the second through hole 611 along the first installation hole 111 and extends obliquely toward the axis of the cable 2 to form a first elastic piece 612; the side wall 62 is sleeved on the core 43 , the end wall 61 is sandwiched between the end surface of the core 43 facing the second mounting hole 112 and the separator 12 , and the first elastic piece 612 abuts against the electrical contact ring 5 .

In this embodiment, the first elastic piece 612 is punched out of metal and then bent into shape. Due to the resilience of the first elastic piece 612 itself, it can be close to the outer peripheral surface of the electrical contact ring 5, while the second elastic piece of the claw 6 Both 613 and the end wall 61 are connected to the housing 1, and conduct the electrical connection path between the electrical contact ring 5 and the housing 1, so that the cable connector structure forms an overall shielding.

Preferably, in order to achieve a more stable electrical connection between the claw 6 and the housing 1, the side wall 62 is provided with a second elastic piece 613, the second elastic piece 613 includes an extension part and a bent part, and the extension part starts from the side wall 62 It is formed by extending obliquely close to the first installation hole 111 and away from the axis of the cable 2. The bending part is formed by bending from the end of the extension part away from the side wall 62 toward the cable 2; the outer wall of the core part 43 is provided with a second elastic piece 613 The electrical contact slot 434 is provided, and the second elastic piece 613 is accommodated in the electrical contact slot 434 and abuts against the inner wall of the housing 1 . The inner wall of the electrical contact slot 434 can be surface-treated by electroplating, for example, it can be plated with a metal layer with good conductivity such as aluminum, silver, gold, etc., so as to further optimize the electrical connection between the claw 6 and the housing 1, and play a more effective role. Effective shielding effect.

Further, the side wall 62 is also provided with a third elastic piece 614, the third elastic piece 614 is formed by extending from the side wall 62 towards the first installation hole 111 and away from the axis of the cable 2. The three elastic pieces 614 are matched with the limiting slot 435 , and the third elastic piece 614 is accommodated in the limiting slot 435 . Through the cooperation between the third elastic piece 614 and the limiting slot 435 , the claw 6 can be conveniently and accurately installed inside the housing 1 .

Preferably, in order for the claws 6 to fit accurately on the outer peripheral surface of the fixed head 4, a limit key 615 protrudes from the inner wall of the side wall 62. The limit key 615 has a guide surface facing the first mounting hole 111 and a guide surface facing the second mounting hole 111. Two limiting surfaces of the mounting holes 112 ; a limiting slot 437 matching the limiting key 615 is provided on the outer peripheral surface of the core 43 . The limit key 615 can be hemispherical. Since the spherical surface itself is relatively smooth, it can play a good guiding role, and can facilitate the installation of the claw 6 and the fixed head 4. At the same time, the limit groove 437 plays a limiting role on the claw 6. , so that it can be stably installed on the fixed head 4.

Preferably, in order to install the fixed head 4 with the housing 1 more conveniently, the outer peripheral surface of the core 43 is provided with a guide groove 436, the guide groove 436 extends along the axial direction of the cable 2, and one end of the guide groove 436 penetrates to the core The end surface of the open end of the portion 43, and the other end is adjacent to the limiting groove 437;

Further, please refer to FIG. 3 again. The cable connector structure also includes a first sealing ring 7 and a second sealing ring 8. The core 43 is placed on the outer wall of a section of the cavity 11 to accommodate the first sealing ring. The first annular groove 438 of the ring 7, the first sealing ring 7 is placed in the first annular groove 438 and sealed with the inner wall of the housing 1; the second sealing ring 8 is sleeved on the outer quilt 23, and placed on the partition 12 and In the cavity surrounded by the second installation hole 112 , the second sealing ring 8 is in sealing fit with the cover 23 and the inner wall surface of the second installation hole 112 .

In this embodiment, by setting the first sealing ring 7 to seal, water can be prevented from intruding into the casing 1 from the first installation hole 111, and by setting the second sealing ring 8 to seal, water can be prevented from intruding into the casing from the second installation hole 112. body 1, thereby destroying the insulation system designed inside the housing 1.

Further, the cable connector structure also includes a third sealing ring 9, the covering part 42 is annular, and the outer peripheral surface of the covering part 42 is provided with a second annular groove 422 adapted to the third sealing ring 9. The sealing ring 9 is inserted in the second annular groove 422 to seal the external mechanism embedded in the covering portion 42 . The connector structure of the cable 2 is designed with three sealing rings, which can ensure the tightness of the connector and the external mechanism.

Further, please refer to FIG. 18 , the tail cap 10 includes a fixed cylinder 101 and a tail cap 102 protruding from the outer peripheral surface of the fixed cylinder 101. The lead hole 103 is opened in the fixed cylinder 101 and communicates with the inner cavity of the tail cap 102. Covered on the jacket 23 , the tail cap 102 is engaged with the housing 1 . Preferably, a protrusion 15 is provided on the outer peripheral surface of the housing 1 , and a hanging hole 104 adapted to the protrusion 15 is provided on the tail cap 102 .

In this embodiment, the fixing cylinder 101 can play a very good role in fixing and limiting the cable 2, so that when the connector is plugged in and out, the cable 2 will not deviate from the axis to a large extent, causing the second sealing ring One side of 8 is squeezed by the cable, and a gap is formed between the other side and the cable, and the sealing effect is lost. The tail cover 10 is detachably connected to the housing 1, such as screw connection, buckle connection, etc. In practical applications, the housing 1 and the tail cover 10 are connected by a buckle, which can simplify the assembly of the two. Compared with using screws fixed in the same way, which not only saves the number of parts, but also does not require additional tools.

Furthermore, the connector structure of the cable is not only applicable to the single-core connector structure, but also to the multi-core connector structure. In practical applications, it is generally a double-core connector structure. There are two sets of notches 44 on the fixed head 4 for the connecting terminal 3 to pass through. The specific assembly method is similar to the above-mentioned embodiment, and will not be repeated here.

Preferably, the connection terminal 3 includes a flat connection portion 31 and a sleeve portion 32 connected to the connection portion 31, the connection portion 31 is provided with a via hole 311, the connection portion 31 protrudes from the notch 44, and the sleeve portion 32 is used for It is socketed with the inner conductor 21. The connection part 31 is arranged in a flat shape to facilitate punching the via hole 311 , and the socket part 32 is provided with one end open, so that it can be directly socketed with the inner conductor 21 .

The above is only a preferred embodiment of the present utility model, and does not therefore limit the scope of the patent of the present utility model. Under the inventive concept of the present utility model, the equivalent structural transformation made by using the specification of the utility model and the contents of the accompanying drawings, or Direct/indirect application in other relevant technical fields is included in the patent protection scope of the present utility model.

Claims (10)

1. A connector structure for cables, characterized in that, comprising: The casing has a cavity with two ends through it, and the two ends of the cavity respectively form a first installation hole and a second installation hole, and the edge of the first installation hole is provided with a The combination plate on the surface, the edge of the combination plate away from the housing is provided with a mounting plate that is folded relative to the combination plate; A cable, including an inner conductor and an outer jacket, one end of the cable is inserted into the cavity through the second installation hole; A connection terminal, one end of the connection terminal is socketed with the inner conductor at one end of the cable extending into the cavity, and the other end is exposed to the housing through the first installation hole; The fixed head has an accommodating groove and a notch communicating with the accommodating groove, the fixed head covers the first installation hole and abuts against the coupling plate, the accommodating groove and the accommodating cavity docking, the notch is used for the terminal to pass through; and The tail cover covers the second installation hole, and the tail cover is provided with a lead hole for the cable to lead out of the cavity. 2 . The cable connector structure according to claim 1 , wherein a lug is provided on the end of the mounting plate away from the connecting plate, and an assembly hole is opened on the lug. 3 . 3. The cable connector structure according to claim 1, wherein the fixed head includes a core and a cover, the core is a cylindrical structure with one end open, and the accommodating groove forms In the core part, the notch is opened at an end of the core part opposite to the open end of the core part; the covering part is protruded on the outer peripheral surface of the core part and is away from the core part The open end of the core is set; the open end of the core is placed in the cavity, the end surface of the cover part opposite to the housing is in contact with the connecting plate, and the cable comes from the The open end of the core penetrates into the accommodating groove. 4. The cable connector structure according to claim 3, wherein a positioning protrusion is provided on the end surface of the cover portion opposite to the housing, and a positioning protrusion is provided on the connecting plate that is connected to the housing. Locating slots that match the positioning protrusions. 5. The cable connector structure according to claim 3, characterized in that, the inner wall of the housing near the second mounting hole extends toward the cable to form a partition, and the partition is provided with A first through hole for the cable to pass through. 6. The connector structure of the cable according to claim 5, wherein the cable further comprises an insulating layer and a shielding layer, and the insulating layer, the shielding layer and the outer cover are sequentially sleeved on the On the inner conductor; the shell is made of metal material, the fixing head is made of insulating material, and the connector structure of the cable also includes: The electrical contact ring is placed in the cavity and sleeved on the shielding layer, the electrical contact ring abuts against the inner edge of the first through hole on the shielding layer and the separator. 7. The cable connector structure according to claim 6, wherein an elastic arm is provided on the inner wall of the core, and the elastic arm approaches the first installation along the inner wall of the core. The direction of the hole extends obliquely toward the axis of the cable, the free end of the elastic arm is provided with a protrusion facing the cable, and the outer peripheral surface of the electrical contact ring is provided with an annular groove adapted to the protrusion. 8. The cable connector structure according to claim 6 or 7, further comprising a claw, the claw includes a cylindrical side wall and an end wall closing one end of the side wall, the end wall There is a second through hole on the wall for the cable to pass through, and a first elastic piece is formed from the inner edge of the second through hole along the direction close to the first installation hole and obliquely extending towards the axis of the cable; The side wall is sleeved on the core, the end wall is sandwiched between the end surface of the core facing the second mounting hole and the partition, and the first elastic piece is in contact with the electrical contact ring. catch. 9. The cable connector structure according to claim 5, further comprising a first sealing ring and a second sealing ring, the outer wall of a section of the cavity where the core is placed is provided with a The first annular groove for accommodating the first sealing ring, the first sealing ring is placed in the first annular groove and sealingly fits with the inner wall of the housing; the second sealing ring is sleeved on the outer jacket and placed in the cavity surrounded by the partition plate and the second installation hole, the second sealing ring is in sealing fit with the outer jacket and the inner wall surface of the second installation hole. 10. The cable connector structure according to claim 9, further comprising a third sealing ring, the covering portion is annular, and the outer peripheral surface of the covering portion is provided with the third sealing ring. The second annular groove to which the sealing ring fits, the third sealing ring is sleeved in the second annular groove, and is used for sealing the external mechanism that is engaged with the covering portion.