CN112290328B

CN112290328B - Secondary test line of external right-angle joint that can assemble

Info

Publication number: CN112290328B
Application number: CN202011198900.3A
Authority: CN
Inventors: 王磊; 黄力; 朱皓; 晏丽丽; 宁楠; 黄照厅; 牟楠; 付同福; 张礼波; 张建行; 丁冉; 曾蓉; 龙志; 陈相吉; 瞿杨全; 付锡康; 邓冠; 朱平; 黄伟; 任亚军
Original assignee: Guizhou Power Grid Co Ltd
Current assignee: Guizhou Power Grid Co Ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2022-04-08
Anticipated expiration: 2040-10-31
Also published as: CN112290328A

Abstract

The invention discloses a secondary test wire of an external right-angle connector capable of being assembled, wherein an exposed cable core extends from the end part of a cable; the cable core connecting piece is used for clamping a cable core and comprises a clamping piece and a fastening ring which is arranged outside the clamping piece in a matching way; the plug connector is matched and connected with the cable core connecting piece and comprises an outer shell, a plug connector arranged at one end of the outer shell and a cover body matched at the other end of the outer shell; the external connecting piece is connected between the outer shell and the cover body in a matching way; the cable core connecting piece is of a reusable structure, the clamping piece can be connected and released to a cable core through screwing and loosening the fastening ring, the cable core connecting piece is connected in the plug connector in a matched mode, a complete test cable with a plug connector can be formed, moreover, the plug connector can be matched with an external connecting piece, the whole body can be extended and connected with a plurality of connectors, and the cable core connecting piece is simple in overall structure, simple in structure, convenient to install and high in practicability.

Description

Secondary test line of external right-angle joint that can assemble

Technical Field

The invention relates to the technical field of test cable connectors, in particular to a secondary test wire of an external right-angle connector capable of being assembled.

Background

The cable joint is used for connecting cables and is matched and connected with each segmented cable to form a required or complete power-on loop. In some test equipment, because the lines need to be frequently plugged together, the end part of the test line needs to be provided with a connector, so that the subsequent plugging process is simplified, further, because frequent plugging is needed, corresponding plugging ports are different, some connectors need to be assembled by a tester, but most of the existing test connectors are integrated, a large number of test lines need to be prepared in the test process, so that the subsequent wire arranging process is increased, the cost required by the test is increased, and in the test process, a plurality of connectors or related measuring instruments need to be plugged into the same connecting port, so that one connector preferably has a plurality of plugging holes, and the connector is very necessary to be plugged into a plurality of plugging connectors. Therefore, the scheme provides a secondary test wire with a connecting joint, which can be assembled by self and can be externally connected with a plug-in component.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above-mentioned problems of the conventional secondary test wire with tape.

Therefore, the technical problem to be solved by the invention is to provide a secondary test wire of an external right-angle connector capable of being assembled, and the secondary test wire aims to realize the replacement and installation of the test wire through an assembled structure, can be externally connected with a plug-in component, expand a plug-in port and improve the applicability.

In order to solve the technical problems, the invention provides the following technical scheme: a secondary test wire of an external right-angle connector capable of being assembled comprises a cable, a cable core connecting piece and a plug connector, wherein an exposed cable core extends from the end part of the cable; the cable core connecting piece clamps the cable core and comprises a clamping piece and a fastening ring which is arranged outside the clamping piece in a matching way; the plug connector is matched and connected with the cable core connecting piece and comprises an outer shell, a plug connector arranged at one end of the outer shell and a cover body matched at the other end of the outer shell; and the external connecting piece is connected between the outer shell and the cover body in a matching manner.

As a preferable scheme of the secondary test wire of the external right-angle connector capable of being assembled, the invention comprises the following steps: the clamping piece comprises a sleeve joint cylinder and a conductor cylinder which are coaxially arranged, and the conductor cylinder is sleeved in an inner cavity of the sleeve joint cylinder.

As a preferable scheme of the secondary test wire of the external right-angle connector capable of being assembled, the invention comprises the following steps: the side wall of the barrel body at one end of the sleeve joint barrel and the conductor barrel is provided with a plurality of dividing grooves which are distributed at equal intervals.

As a preferable scheme of the secondary test wire of the external right-angle connector capable of being assembled, the invention comprises the following steps: the thickness of the side wall of one end, far away from the dividing groove, of the sleeve is larger than that of the side wall of the other end of the sleeve, and the radial diameter of one end, far away from the dividing groove, of the sleeve is smaller than that of the other end of the sleeve.

As a preferable scheme of the secondary test wire of the external right-angle connector capable of being assembled, the invention comprises the following steps: the fastening ring is sleeved on the outer side wall of the sleeve joint barrel in a matching mode.

As a preferable scheme of the secondary test wire of the external right-angle connector capable of being assembled, the invention comprises the following steps: the side wall of the outer shell is provided with a matching groove connected with the end part of the clamping piece, an inner cavity of the matching groove is provided with a conductive column forming a power loop, a first external thread is arranged on the outer side wall of one end, far away from the plug connector, of the outer shell, and a connecting internal thread is further arranged on the side wall of the end part of the cover body.

As a preferable scheme of the secondary test wire of the external right-angle connector capable of being assembled, the invention comprises the following steps: the clamping piece is connected in the matching groove, and the conductive cylinder can be in matching contact with the side wall of the electric guide post.

As a preferable scheme of the secondary test wire of the external right-angle connector capable of being assembled, the invention comprises the following steps: the conductive cylinder is inserted in the cavity of the outer shell in a matching mode, and the end portion of the conductive cylinder is communicated with a circuit in the plug connector.

As a preferable scheme of the secondary test wire of the external right-angle connector capable of being assembled, the invention comprises the following steps: the side wall of the connecting end of the cover body is provided with a protective cylinder and a tensioning spring, the tensioning spring is positioned on the outer side of the protective cylinder, and the side wall of the end part of the cover body is also provided with a connecting internal thread. The protective sleeve is sleeved on the outer side wall of the end part of the electric guide pillar in a matching manner; the length of the tension spring is equal to the depth of the matching groove; and the first internal thread can be matched and connected with the first external thread.

As a preferable scheme of the secondary test wire of the external right-angle connector capable of being assembled, the invention comprises the following steps: the external connecting piece comprises a shell and an elastic conductive piece arranged in the shell, one end of the shell can be connected to the end of the shell in a matched mode through the limiting guide groove, and the other end of the shell can be connected with the cover in a matched mode.

The invention has the beneficial effects that:

the cable core connecting piece is of a reusable structure, the clamping piece can be connected and released to the cable core through screwing and loosening the fastening ring, the cable core connecting piece is connected in the plug connector in a matched mode, a complete test cable with the plug connector can be formed, moreover, the plug connector can be matched with an external connecting piece, the whole cable can be extended and connected with a plurality of connectors, and the cable core connecting piece is simple in overall structure, convenient to install and high in practicability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

FIG. 1 is a schematic view of the overall connection structure of a secondary test line of an external right-angle connector capable of being assembled according to the present invention.

FIG. 2 is a schematic sectional structural view of the A-side of a cable connector of a secondary test line of an external right-angle connector capable of being assembled according to the present invention.

Fig. 3 is a schematic diagram of a cable connecting piece and a cable connecting change structure of a secondary test wire of an external right-angle connector capable of being assembled according to the invention.

FIG. 4 is a schematic view of a cross-sectional structure of a B plane of a secondary test line assembly of an external right-angle connector of the present invention.

FIG. 5 is a schematic view of the open end structure of the outer shell of the secondary test line of the external right-angle connector of the invention.

Fig. 6 is a schematic diagram of a cover structure of a secondary test line of an external right-angle connector capable of being assembled according to the invention.

FIG. 7 is a schematic diagram of the external structure of the secondary test wire of the external right-angle connector of the present invention.

FIG. 8 is a schematic cross-sectional structural view of the C-plane of the external connector of the secondary test line of the external right-angle connector of the invention.

FIG. 9 is a schematic cross-sectional structural view of the D-plane of the external connector of the secondary test line of the external right-angle connector of the invention.

FIG. 10 is a schematic overall E-plane cross-sectional structural view of a secondary test line of an external right-angle connector of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Example 1

Referring to fig. 1, 3, 4 and 10, for the first embodiment of the present invention, there is provided an assemblable secondary test line of an external right-angle connector, the secondary test line comprising a cable 100, a cable core connector 200 and a plug connector 300, wherein the cable 100 has an exposed cable core 101 extending from an end thereof; the cable core connecting piece 200 clamps the cable core 101 and comprises a clamping piece 201 and a fastening ring 202 which is arranged outside the clamping piece 201 in a matched mode; and the plug connector 300 is matched and connected with the cable core connecting piece 200 and comprises an outer shell 301, a plug connector 302 arranged at one end of the outer shell 301 and a cover body 303 matched at the other end of the outer shell 301.

The cable 100 is a test wire used for a test, the cable 100 is internally provided with a cable core 101 capable of being electrified, before the cable connection end is assembled, part of the cable core at the end part of the cable 100 needs to be stripped, and soldering tin can be coated on the outer side of the cable core 101 to solidify the cable core, so that the integrity of the cable core 101 during insertion and assembly is facilitated, and the electric leakage accident caused by the exposure of part of conductive metal wires is avoided; the stability of circuit connection is also guaranteed. The cable core connecting piece 200 is used for being matched and connected with the cable core 101, wherein the cable core 101 is inserted into the clamping piece 201, and the clamping piece 201 clamps the cable core 101 and is connected with the cable core 101 through adjustment of the fastening ring 202, so that the circuit communication is ensured. Further, cable core connecting piece 200 still needs to link to each other with plug connector 300, constitutes complete cable bayonet joint, and this scheme uses right angle type to connect as the example, and the one end cooperation that cable core 101 was kept away from to holder 201 is connected on shell body 301, and the one end of shell body 301 is for being used for the bayonet joint 302 of port grafting, and the other end is for being used for sealing the lid 303 of shell body 301, and the inside cavity of shell body 301 distributes the conducting circuit line of configuration in advance.

Example 2

Referring to fig. 2, 3 and 4, a second embodiment of the present invention is specifically described for a cable core connector 200 for achieving a quick assembly of the end of the cable core 101, which is different from the first embodiment: the clamping member 201 includes a sleeve 201a and a conductor tube 201b, which are coaxially disposed, and the conductor tube 201b is sleeved in the inner cavity of the sleeve 201 a.

Division grooves 201c are formed in the side wall of the cylinder body at one end of the sleeve 201a and the conductor cylinder 201b, and multiple groups of division grooves 201c are distributed at equal intervals.

The thickness of the sidewall of one end of the sleeve 201a far away from the dividing groove 201c is larger than that of the sidewall of the other end thereof, and the radial diameter of one end far away from the dividing groove 201c is smaller than that of the other end thereof.

The fastening ring 202 is fitted and sleeved on the outer side wall of the sleeve 201 a.

Compared with the embodiment 1, further, in order to realize the quick connection of the test cable core 101, a structure that the clamping piece 201 is matched with the fastening ring 202 is adopted, and the fastening ring 202 is matched and sleeved on the outer side wall of the sleeve 201a in the clamping piece 201; specifically, the clamping member 201 is in an annular cylindrical shape, the inner ring is a conductor cylinder 201b, the outer ring is a sleeve 201a, the conductor cylinder 201b is attached to the inner side wall of the sleeve 201a, one end of the spliced cable core 101 of the clamping member 201 is a splicing end, the other end of the spliced cable core 101 is connected with the outer shell 301 to form a matching end, the axial cross section of the splicing end is in a circular truncated cone shape, and the top of the circular truncated cone is integrally connected with the matching end.

Furthermore, the length of the conductor barrel 201b is greater than that of the sleeve 201a, the top of the conductor barrel extends to the outer side of the mating end, the thicknesses of the two ends of the sleeve 201a are different, the thickness of the barrel body of the mating end is greater than that of the barrel body of the splicing end, and the thickness difference is in slow transition. In order to fix the cable core 101 in the sleeve 201a through the fastening ring 202, the central axis of the sleeve 201a is penetrated through on the side wall of the insertion end of the sleeve 201a, the division grooves 201c are formed, and the division grooves 201c are arranged at equal intervals and have multiple groups, so that the aperture of the insertion end of the sleeve 201a is larger than the radial diameter of the cable core 101 when the insertion end is in the initial state, and the cable core 101 is conveniently inserted and placed in the inner cavity of the conductor barrel 201 b. It should be noted that, the splicing end of the sleeve 201a is made of an elastic insulating material, and due to the existence of the dividing groove 201c, when the fastening ring 202 slides from the mating end to the splicing end, the sidewall of the splicing end of the sleeve 201a gathers toward the cable core 101, i.e., the sidewall of the conductor barrel 201b is driven to connect with the cable core 101, so as to communicate with the circuit. When the fastening ring 202 slides from the inserting end to the mating direction, the side walls of the inserting end of the sleeve 201a and the conductor 201b are restored to the initial open state under the elastic action, and the cable core 101 can be conveniently taken out. Thereby realizing the rapid assembly of the cable core 101.

And at the cooperation end of a cover sleeve 201a, conductor section of thick bamboo 201b protrusion cover sleeve 201 a's lateral wall, convenient and the interior electric guide post 301b cooperation contact of shell body 301, have the arc wall C identical with the cylindrical lateral wall of electric guide post 301b on its tip lateral wall, and still have the concave groove H on the cooperation end lateral wall of a cover sleeve 201a, but this concave groove H's notch sliding fit is in cooperation groove 301a on shell body 301 lateral wall, the spill sets up the slip that not only makes things convenient for the notch, and has better block effect.

The rest of the structure is the same as that of embodiment 1.

Example 3

Referring to fig. 1, 4 and 5, in a third embodiment of the present invention, after the cable core connector 200 is fittingly connected to the cable core 101, the cable core connector 200 is further connected to the connector 300, so that the whole is a complete connector which is convenient for plugging. This embodiment differs from the second embodiment in that:

the side wall of the outer shell 301 has a fitting groove 301a connected with the end of the clamping member 201, an inner cavity of the outer shell is provided with an electric guide post 301b constituting an electric circuit, the outer side wall of one end of the outer shell 301 far away from the plug 302 is provided with a first external thread 301c, and the side wall of the end of the cover 303 is further provided with a connecting internal thread 303 c.

The holder 201 is connected to the fitting groove 301a, wherein the conductor barrel 201b can be fitted in contact with the side wall of the electric conductive post 301 b.

The conductor barrel 201b is fittingly inserted into the cavity of the outer housing 301, and the end portion thereof communicates with the circuit in the plug 302.

The connecting end side wall of the cover 303 has a protective tube 303a and a tension spring 303b, the tension spring 303b is located outside the protective tube 303a, and the connecting inner thread 303c is further provided on the end side wall of the cover 303.

The protective sleeve 303a is sleeved on the outer side wall of the end part of the electric guide pillar 301b in a matching manner; the length of the tension spring 303b is equal to the depth of the fitting groove 301 a; and the first internal thread 303c can be coupled with the first external thread 301 c.

Compare in embodiment 2, it is further, connect on outer casing 301 of plug connector 300 for making things convenient for the cooperation of cable core connecting piece 200, the cooperation groove 301a of rectangular shape has been seted up on the axial lateral wall of outer casing 301, the notch of the concave groove H of a cover sleeve 201a tip both sides contacts with the lateral wall of outer casing 301, slide to in the cooperation groove 301a, cable core connecting piece 200 is perpendicular with plug connector 300 axial this moment, constitute the right angle formula and connect, of course, through set up the concave groove H of other angles on the bell and spigot 201b at cable core connecting piece 200, also can form the cable connector of other different angles.

In the outer casing 301, there is also an electrically conductive post 301b, and the electrically conductive post 301b may be an aggregate of integrated power lines for transmitting electric conduction or current-voltage regulation conversion, and may be composed of commercially available power equipment. Which is mounted in an internal cavity of the outer housing 301 and is in electrical communication with a plug 302 at the end of the outer housing 301. One end of the outer shell 301, which is far away from the plug 302, is open and can be used for installing the cable core connecting piece 200 and installing other electronic elements in the outer shell 301; on the outer side wall of the open end, a first external thread 301c for connecting the lid body 303 is provided.

The cover 303 can be connected to the open end sidewall of the outer casing 301 by engaging the first internal thread 303c provided at the end with the first external thread 301c, so as to not only block the outer casing 301, but also reinforce the conductive post 301b and other components in the inner cavity of the outer casing 301. Specifically, a protective tube 303a and a tension spring 303b are disposed in the middle of the side wall of the connecting end of the cover 303, wherein the protective tube 303a is made of an insulating rubber material and has a cylindrical shape, one end of the protective tube inserted into the inner cavity of the outer shell 301 can abut against the side wall of the end portion of the electric guide column 301b, and rubber has certain elasticity, so that the electric guide column 301b can be stabilized in the abutting state.

Furthermore, the tension spring 303b is located outside the sheath 301b, and has a length equal to the depth of the mating groove 301a, the tension spring 303b can be used to limit the position of the cable core connector 200, when the cable core connector 200 slides in the mating groove 301a, the cover 303 is connected at the open end of the outer shell 301, the tension spring 303b extends into the inner cavity of the outer shell 301, because the cable core connector 200 has a certain thickness, the free end of the tension spring 303b is compressed, after the cover 303 is screwed, the tension spring 303b will always maintain the compressed state, and under the elastic force thereof, the embedded state of the cable core connector 200 will always be maintained, thereby ensuring the stable contact between the conductor barrel 201b and the electric guide post 301 b.

Example 4

Referring to fig. 1, 7 to 10, as a fourth embodiment of the present invention, in a plugging use process of a test line, a plurality of connectors need to be plugged for use in a matching manner, and in a test process, electrical signals and the like need to be monitored at connection end points, so that a port for plugging a plurality of connectors needs to be provided for one plug end point, and in order to achieve the above purpose, the following implementation manner is adopted. This embodiment differs from the third embodiment in that:

the external connector 400 includes a housing 401 and an elastic conductive member 402 disposed in the housing 401, one end of the housing 401 may be connected to the end of the outer housing 301 through a limiting guide slot 301d, and the other end may be connected to the cover 303.

The shell 401 is a symmetrical structure and is divided into an upper half shell and a lower half shell, and inserting rods and inserting grooves matched with the inserting rods are respectively arranged in inner cavities of the upper half shell and the lower half shell; the connecting convex blocks 401a are symmetrically arranged on two sides of one end of the shell 401, the connecting convex blocks 401a can be connected in the limiting guide grooves 301d in a matched mode to achieve connection with the shell 301, the second limiting guide grooves 401b are symmetrically formed in two side walls of the inner cavity of the other end of the shell, and second external threads 401c are arranged on the outer side wall of the end of the shell.

The elastic conductive member 402 is disposed in the middle of the upper and lower half shells, and includes a conductive core 402a, an adjusting spring 402b and a copper pillar 402c, one end of the conductive core 402a is disposed in parallel with a sliding rod 402a-1, two sides of the copper pillar 402c are disposed with a sliding block 402c-1 slidable on the sliding rod 402a-1, and two ends of the adjusting spring 402b are respectively connected to the copper pillar 402c and the sidewall of the conductive core 402 a.

The side wall of the elastic conductive member 402 is also provided with a plug notch 402d penetrating the housing 401.

Further, the external connecting member 400 can be externally connected to the open end of the outer housing 301, and the connection is realized by the cooperation of the connecting protrusion 401a and the limiting guide groove 301 d. Housing 401 covers the outside of elastic conductive member 402 for mounting and protecting elastic conductive member 402. Specifically, casing 401 is formed by the combination of symmetrical half casing, fixed as an organic whole by complex inserted bar and slot, casing 401 has the one end of connecting lug 401a and is the socket end, the other end is the grafting end, and on casing 401's grafting end inner wall, have the spacing guide slot 401b of the same second with spacing guide slot 301d, on this end lateral wall, still have the second external screw thread 401c the same with first external screw thread 301c, the aim at of this setting, casing 401's grafting end is the same with the opening end structure of shell body 301, can realize the cooperation of a plurality of external parts 400 through this structure and use, thereby there is not the quantity of upper limit extension outside interface, improve the practicality.

The elastic conductive member 402 is disposed inside the housing 401, and is a conductive element assembly in the external member 400, wherein the conductive core 402a is a main body, and two side walls thereof are at least provided with two sets of insertion notches 402d, as shown in the drawing, penetrating through the side walls of the housing 401, so as to facilitate the insertion of the external insertion connector 302; the conductive core 402a is connected to a copper pillar 402c for stable contact on a side close to the socket end of the housing 401, and the specific connection is that two parallel sliding rods 402a-1 are arranged on a side wall of the end portion of the conductive core 402a, a sliding groove is arranged in the sliding rod 402a-1 and can be matched with sliding blocks 402c-1 on two sides of the end portion of the copper pillar 402c, so that the copper pillar 402c can move along a path of the sliding rod 402a-1, and the conductive core 402a and the copper pillar 402c are connected through an adjusting spring 402b, namely, the contact between the copper pillar 402c and the conductive pillar 301b is kept stable through the elastic force of the spring.

The rest of the structure is the same as that of example 3.

Referring to fig. 1 to 10, before use, the cable 100 is assembled, the cable core 101 at one end of the cable 100 is peeled off through the above processes, the fastening ring 202 in the cable core connector 200 slides to one side of the mating end of the sleeve 201a, so that the sidewall of the splicing end of the cable core connector is freely opened, the cable core 101 is spliced into the inner cavity of the conductor cylinder 201b, the fastening ring 202 slides from the mating end of the sleeve 201a to the splicing end, so that the dividing groove 201c is squeezed, the sidewall of the splicing end of the conductor cylinder 201b can be stably contacted with the sidewall of the cable core 101, and after the cable 100 and the cable core connector 200 are assembled. The cable core connector 200 is slid into the fitting groove 301 from the open end of the outer shell 301, then the plug end of the cover 303 is inserted into the open end of the outer shell 301, and finally the cover 303 is screwed down by screw threads. Thus forming the test cable with the plug connector. In use, a predetermined port of the test device can be plugged through the plug 302 at the end of the outer housing 301.

When the plugging port needs to be expanded, the cover body 303 can be detached before the plug 302 is plugged, the external connector 400 is taken out, the socket end of the shell 401 is plugged to the open end of the outer shell 301, the external connector 400 is installed through the matching of the connecting bump 401a and the limiting guide groove 301d, and in the plugging process of the external connector 400, the copper column 402c firstly contacts with the end of the electric guide column 301b under the action of the adjusting spring 402b to extrude the spring, and when the connecting bump 401a slides to the tail end of the limiting guide groove 301d, stable contact is realized; the end of the housing 401 will also abut against the sleeve 201a, so that the conductor barrel 201b is stably contacted with the electrical guide post 301b, and at the inserting end of the housing 401, if an external connector 400 is required to be connected, the above-mentioned connecting step can be repeated, and if not, the cover 303 can be mounted by adopting the step of connecting with the outer housing 301. And when the connector needs to be replaced or the connector needs to be disassembled for maintenance, the installation steps can be reversed. The whole assembling and disassembling process is simple, and the practicability is high.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. The utility model provides a secondary test line that external right angle of mountable connects which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

a cable (100) having an exposed cable core (101) extending from an end thereof;

the cable core connecting piece (200) clamps the cable core (101) and comprises a clamping piece (201) and a fastening ring (202) which is arranged outside the clamping piece (201) in a matched mode;

the clamping piece (201) comprises a sleeve joint cylinder (201 a) and a conductor cylinder (201 b), the sleeve joint cylinder (201 a) and the conductor cylinder (201 b) are coaxially arranged, and the conductor cylinder (201 b) is sleeved in an inner cavity of the sleeve joint cylinder (201 a); and the number of the first and second groups,

the plug connector (300) is matched and connected with the cable core connecting piece (200) and comprises an outer shell (301), a plug connector (302) arranged at one end of the outer shell (301) and a cover body (303) matched with the other end of the outer shell (301);

the side wall of the outer shell (301) is provided with a matching groove (301 a) connected with the end part of the clamping piece (201), an electric guide post (301 b) forming an electric power loop is arranged in an inner cavity of the outer shell, a first external thread (301 c) is arranged on the outer side wall of one end of the outer shell (301) far away from the plug connector (302), and limiting guide grooves (301 d) are symmetrically formed in the inner side wall;

and the external connector (400) is connected between the outer shell (301) and the cover body (303) in a matching way.

2. A secondary test line for an assemblable external right-angle connector as defined in claim 1, wherein: dividing grooves (201 c) are formed in the side wall of the cylinder body at one end of the sleeve joint cylinder (201 a) and the conductor cylinder (201 b), and multiple groups of the dividing grooves (201 c) are distributed at equal intervals.

3. A secondary test line for an assemblable external right-angle connector as defined in claim 2, wherein: the thickness of the side wall of one end, far away from the dividing groove (201 c), of the sleeve barrel (201 a) is larger than that of the other end of the sleeve barrel, and the radial diameter of one end, far away from the dividing groove (201 c), of the sleeve barrel is smaller than that of the other end of the sleeve barrel.

4. A secondary test line of an assembled external right-angle connector according to any one of claims 1 to 3, wherein: the fastening ring (202) is sleeved on the outer side wall of the sleeve joint barrel (201 a) in a matching mode.

5. A secondary test line for an assemblable external right-angle connector as defined in claim 4, wherein: the clamping piece (201) is connected in a matching way in the matching groove (301 a), wherein the conductor cylinder (201 b) can be in matching contact with the side wall of the electric guide pillar (301 b).

6. A secondary test line of an assemblable external right-angle connector as defined in claim 5, wherein: the conductor barrel (201 b) is matched and plugged in the cavity of the outer shell (301), and the end part of the conductor barrel is communicated with a circuit in the plug connector (302).

7. A secondary test line of an assemblable external right-angle connector as defined in claim 5 or 6, wherein: a protective sleeve (303 a) and a tensioning spring (303 b) are arranged on the side wall of the connecting end of the cover body (303), the tensioning spring (303 b) is positioned outside the protective sleeve (303 a), and a first internal thread (303 c) is further arranged on the side wall of the end part of the cover body (303);

the protective sleeve (303 a) is sleeved on the outer side wall of the end part of the electric guide post (301 b) in a matching mode, the length of the tensioning spring (303 b) is equal to the depth of the matching groove (301 a), and the first internal thread (303 c) can be connected with the first external thread (301 c) in a matching mode.

8. A secondary test line of an assembled external right-angle connector according to any one of claims 1 to 3, 5 and 6, wherein: the external connector (400) comprises a shell (401) and an elastic conductive piece (402) arranged in the shell (401), one end of the shell (401) can be connected to the end of the outer shell (301) in a matched mode, and the other end of the shell can be connected with the cover body (303) in a matched mode.