CN114300886B

CN114300886B - Connectors and connector components

Info

Publication number: CN114300886B
Application number: CN202210010341.1A
Authority: CN
Inventors: 赵海深; 朱磊; 曹兴; 杨国刚; 武学顺
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2025-02-14
Anticipated expiration: 2042-01-06
Also published as: CN114300886A

Abstract

The invention relates to a connector and a connector assembly. The connector assembly comprises a connector and a cable connected to the connector. An insulator is fixed in a shell of the connector, a contact piece is arranged on the insulator, a threading hole for allowing the cable to pass through the shell and a avoidance opening for allowing the insulator to be exposed from an inner cavity of the shell are arranged on the shell, the threading hole and the avoidance opening are oriented vertically, the shell comprises an upper shell and a lower shell, the avoidance opening is arranged on the lower shell, the threading hole is arranged on the lower shell or the upper and lower shells are buckled together to enclose the threading hole, the insulator is fixedly mounted on the lower shell, the contact piece has a wiring terminal exposed in the inner cavity of the shell, the upper shell and the lower shell are sealed and buckled together, and the wiring terminals of the insulator and the contact piece are exposed after the upper shell is opened, so that the end of the cable is placed above the insulator, and wiring can be conveniently realized.

Description

Connector and connector assembly

Technical Field

The invention relates to the field of electric connectors, in particular to a connector and a connector assembly.

Background

The servo motor is powered and signal-transmitting through the cable plug and the socket on the motor, so as to adapt to a narrower installation space at present, most of the servo motor requires 90-degree outgoing lines of the plug, namely, the outgoing line direction of the cable is perpendicular to the direction of the plug, which is used for being matched with the socket, of the plug, so that the total height of the servo motor is reduced. When the servo motor signal is shielded, the shielding needs to be processed simultaneously when the plug is used for making a wire, the plug shell is of a general integrated structure, the plug shell is provided with a threading opening for the penetration of a cable and an avoidance opening for the exposure of an insulator in the shell from the shell, meanwhile, a contact piece is exposed from the avoidance opening of the shell, namely, only the threading opening and the avoidance opening are arranged on the shell, when the wire is made, a cable needs to pass through the threading opening to enter an inner cavity of the shell, and then the cable end is pulled out from the avoidance opening on the shell, so that the cable extends out of the avoidance opening for a sufficient length to achieve the wire making and shielding processing, the cable is fixedly connected with the contact piece and is installed on the insulator, the cable shielding is connected with a shielding sheet, the cable is retracted after the wire is made and the shielding processing is completed, and the contact piece, the insulator and the shielding sheet are installed in the cavity of the plug shell, so that the whole operation is very inconvenient.

Disclosure of Invention

The invention aims to provide a connector for solving the problem of inconvenient wire making of the existing connector, and also aims to provide a connector assembly for solving the problem of inconvenient wire making of the existing connector.

The connector of the invention has the technical scheme that:

The utility model provides a connector, which comprises a housin, the casing internal fixation has the insulator, be equipped with the contact on the insulator, be equipped with on the casing and be used for supplying the cable to penetrate the through wires hole in the casing and be used for supplying the insulator to dodge the mouth from the casing inner chamber exposure, the orientation of through wires hole and dodge the mouth is perpendicular, the casing includes casing and lower casing, dodge the mouth setting on lower casing, the through wires hole sets up on lower casing or on, lower casing lock encloses into the through wires hole, insulator fixed mounting is on lower casing, the contact has the wiring end of exposing in the casing inner chamber, go up casing and lower casing seal butt-joint and be in the same place, make the wiring end of insulator and contact expose after last casing is opened.

The wire making device has the advantages that the upper shell is divided into the upper shell and the lower shell, the upper shell can be opened to form the upward opening at the upper side of the lower shell, the insulator and the contact piece are arranged in the lower shell, and the wiring end of the contact piece is exposed from the opening formed by opening the upper shell, so that the end part of the wire is arranged above the insulator, the wire making can be conveniently realized, the upper shell is sealed and buckled on the lower shell after the wire making is finished, the wire making and the sealing assembly of the connector are finished, and due to the structural form, the wire is prevented from penetrating out and retracting at the avoidance opening, the operation difficulty and the complexity of the wire making assembly are greatly reduced, and the wire making efficiency is improved.

Further, the contacts are arranged in rows and more than two rows, at least two adjacent rows of contacts comprise power contacts, the rows of contacts are arranged at intervals in the extending direction of the threading holes, the arrangement direction of the contacts in each row is perpendicular to the extending direction of the threading holes, and the wiring terminals of the contacts in the adjacent rows are arranged in a step-shaped manner from low to high along the direction away from the threading holes.

The connector has the beneficial effects that the arrangement mode is adopted, so that the length-width ratio of the connector is smaller, the miniaturization design is facilitated, meanwhile, the contact pieces in each row are arranged in a step mode, the creepage distance between the contact pieces in adjacent rows can be increased, high-voltage breakdown or electric leakage is prevented, the service life and stability of the connector are improved, the connector is arranged from low to high along the direction away from the threading hole, the connection operation of the contact pieces and cables can be facilitated, and interference between the contact pieces in different rows in wiring is avoided.

Further, the insulator comprises insulating split bodies which are arranged in a split manner, the number of the insulating split bodies is equal to the number of rows of the contact pieces, each insulating split body is correspondingly provided with a row of the contact pieces, and the insulating split bodies are detachably connected.

The manufacturing and installation of the insulator are convenient, and the contact pieces are arranged on the insulator in a stepped mode.

Further, among the two adjacent insulating split bodies, an extension part extending towards one side close to the threading hole is arranged on the insulating split body far away from the threading hole, the insulating split body close to the threading hole is located below the extension part, a part of the insulating split body is covered by the extension part, a supporting surface for supporting the wiring end of the corresponding contact piece upwards is arranged on the insulating split body far away from the threading hole, at least a part of the supporting surface is arranged on the extension part, the wiring end of the contact piece on the insulating split body close to the threading hole extends towards one side close to the threading hole, and the extension part covers a part of the contact piece arranged on the insulating split body close to the threading hole and exposes the wiring end of the contact piece.

The power contact is covered by the extension part, so that the creepage distance can be increased, breakdown is prevented, and meanwhile, the support surface is arranged on the extension part, so that the size of the insulator can be reduced, and the miniaturization of the connector is facilitated.

Further, a strong mounting protrusion is arranged on one of the adjacent insulating split bodies, and a strong mounting hole is formed in the other one of the adjacent insulating split bodies, so that the strong mounting protrusion and the strong mounting hole form a strong assembly.

Has the advantages of simple structure and convenient installation.

Further, a supporting boss for supporting the power wires of the cable is arranged on one side, close to the threading hole, of the supporting surface of the extension part, and a spacing groove is formed between the supporting boss and the supporting surface.

The electric contact device has the beneficial effects that through the arrangement of the spacing grooves, the creepage distance between the power contact pieces in different rows can be increased, high-voltage breakdown or electric leakage is prevented, and the spacing grooves can avoid welding discs during welding.

Further, the terminal of the contact is integrally connected to the horizontal extension section on the contact, and the upper side surface of the horizontal extension section forms a welding connection surface for welding connection with the cable.

The cable welding device has the beneficial effects that the contact piece is arranged to be welded with the cable, so that the cable is convenient to connect with the contact piece, and automatic wire making is realized by utilizing automatic equipment.

Further, the avoidance opening is opposite to the upper opening of the lower shell, which is used for being buckled with the upper shell, the upper opening of the lower shell is larger than the avoidance opening, the lower shell is provided with an insulator stopping surface for stopping the insulator in the downward direction, and the insulator is mounted on the lower shell from top to bottom.

The insulator has the beneficial effects that after the upper shell is disassembled, the upper opening is formed after the upper shell is disassembled, so that the insulator can be assembled into the lower shell from top to bottom, the connector does not need to be overturned, the insulator and the contact elements arranged in the insulator can be conveniently preassembled on the lower shell, the working procedure is simple, the cost is reduced, and the insulator is convenient to assemble reliably.

Further, be equipped with the buckle on the insulator, the draw-in groove that corresponds to be equipped with on the lower casing is in order to cooperate with the buckle, through the joint of buckle and draw-in groove and the fender of insulator fender face, realizes that the insulator is fixed in the location on the lower casing.

The insulator clamping device has the beneficial effects that the insulator is connected with the lower shell in a clamping way through the clamping buckle and the clamping groove, so that the insulator clamping device is convenient to install and operate.

Further, the contact comprises a signal contact, the signal contact is used for being connected with a signal transmission wire of the cable, the shell is a metal shell, and a shielding contact structure used for being in contact with a shielding layer of the signal transmission wire of the cable is arranged on the shell.

The shielding device has the beneficial effects that the shell is arranged as the metal shell and is contacted with the shielding layer by matching with the shielding contact structure, so that shielding conduction is realized, the structure is simple, and the shielding is reliable.

Further, the shielding contact structure includes a pressing portion provided at the upper case and a supporting portion provided at the lower case, so that the pressing portion and the supporting portion clamp the shielding layer of the signal transmission wire of the cable when the upper and lower cases are buckled.

The clamping device has the beneficial effects that through the cooperation of the clamping part and the supporting part, not only can the signal transmission wire be fixedly supported, but also the clamping contact of the shielding layer can be realized by utilizing the buckling operation of the upper shell and the lower shell, and the installation operation is convenient.

Further, the compressing part is an elastic compressing part, and the supporting part is a supporting groove.

The connector has the beneficial effects that the shielding layer of the signal transmission wire can be elastically contacted through the arrangement of the elastic part, so that manufacturing and assembly errors can be compatible, and meanwhile, the connector can be suitable for the use of the connector in a vibration environment, and reliable shielding conduction can be kept.

Further, the threading hole is surrounded by the threading grooves respectively arranged on the upper shell and the lower shell, the threading grooves are respectively internally provided with thread clamping rubber blocks, the upper and lower parts of the two thread clamping rubber blocks are combined to realize the sealing with the cable, the upper and lower shells are also provided with sealing rings extending along the combining edges between the combining surfaces, and the sealing rings and one of the thread clamping rubber blocks are integrally formed.

The wire threading hole is formed by enclosing the upper shell and the lower shell, so that after the upper shell is opened, the contact piece and the wire threading hole can be completely exposed, the wire can be directly placed on the lower shell, the wire can be directly welded or crimped with the contact piece, automatic wire threading is facilitated, the step of axially threading the wire out of the wire threading hole is omitted, the mounting process is simplified, automatic wire threading is realized, and the cost is reduced.

Further, a positioning protrusion is arranged on the involution surface of one of the upper shell and the lower shell, and a positioning groove is arranged on the other one of the upper shell and the lower shell, and the positioning protrusion and the positioning groove are matched to realize the positioning when the upper shell and the lower shell are buckled.

The upper shell and the lower shell can be positioned after being buckled by inserting the positioning bulge into the positioning groove, so that the upper shell and the lower shell are prevented from relatively shaking.

Further, the shell is a metal shell, and an insulating partition plate is further arranged on the inner side of the upper shell and covers the upper portion of the contact piece.

The insulating partition plate is arranged above the contact piece to separate the shell from the contact piece, so that the insulating performance is improved.

Further, the contacts are arranged in a plurality of rows, each row of contacts comprises a power contact and a signal contact, the power contacts and the signal contacts in each row are arranged at intervals along the direction perpendicular to the axis of the threading hole, the insulating partition plate comprises a horizontal partition plate part and a vertical partition plate part, the horizontal partition plate part covers the upper part of the contacts, and the vertical partition plate part is blocked between the power contacts and the signal contacts.

The vertical partition plate has the beneficial effects that the vertical partition plate part of the insulating partition plate separates the power contact from the signal contact, so that the insulating effect between the signal contact and the power contact is improved.

Further, the threading hole is arranged on the lower shell, the joint surface of the upper shell and the lower shell is an inclined surface, and the upper shell and the lower shell extend downwards in an inclined manner along the direction away from the threading hole.

The wire connecting device has the beneficial effects that the inclined butt joint surface can enable the opening formed by the opening of the upper shell to be larger, and the shielding of the side wall of the shell to the wire passing path is reduced in the direction away from the wire passing hole, so that the wire passing operation is facilitated.

Further, a positioning column extending downwards is arranged on the side wall of the upper shell close to one end of the threading hole, a positioning hole is formed in the lower shell and corresponds to the positioning column, an internal thread is arranged on the positioning column, the positioning hole is a step-shaped through hole, a part with a larger aperture is used for inserting the positioning column, and a part with a smaller aperture is used for forming a screw through hole so that the upper shell and the lower shell are connected through screw locking.

The positioning and buckling device has the beneficial effects that the positioning and buckling of the upper shell and the lower shell are realized through the matching of the positioning column and the positioning hole, the buckling positions of the upper shell and the lower shell are prevented from being influenced by the arrangement of the inclined buckling surfaces, and the screw connection structure is integrally arranged on the positioning structure, so that the structure of the connector can be simplified, and the size of the connector is reduced.

The connector component of the invention has the technical scheme that:

The connector assembly comprises a connector and a cable connected with the connector, the connector comprises a shell, an insulator is fixed in the shell, a contact piece is arranged on the insulator, a threading hole for the cable to penetrate into the shell and an avoidance hole for the insulator to be exposed out of an inner cavity of the shell are formed in the shell, the threading hole is perpendicular to the direction of the avoidance hole, the shell comprises an upper shell and a lower shell, the avoidance hole is formed in the lower shell, the threading hole is formed in the lower shell or the upper shell and the lower shell are buckled to form the threading hole, the insulator is fixedly arranged on the lower shell, the contact piece is provided with a wiring end exposed in the inner cavity of the shell, the upper shell and the lower shell are buckled together in a sealing mode, and the wiring end of the insulator and the contact piece are exposed after the upper shell is opened.

The connector has the beneficial effects that the shell of the connector is divided into the upper shell and the lower shell, the upper shell can be opened to form an upward opening at the upper side of the lower shell, and the wiring end of the contact is exposed from the opening formed by opening the upper shell after the insulator and the contact are installed in the lower shell, so that the end part of the cable is arranged above the insulator, the wire can be conveniently manufactured, the upper shell is sealed and buckled on the lower shell after the wire is manufactured, the wire manufacturing and the sealing assembly of the connector are completed, and the wire manufacturing efficiency is improved because the wire manufacturing operation difficulty and the wire manufacturing complexity are greatly reduced due to the structure form of avoiding the wire from penetrating out and retracting at the avoidance opening.

Has the advantages of simple structure and convenient installation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of embodiment 1 of the connector;

FIG. 2 is a schematic diagram showing the overall structure of embodiment 1 of the connector;

fig. 3 is a schematic view of the structure of the upper and lower housings of embodiment 1 of the connector when they are separated;

fig. 4 is a schematic view showing an assembled state of the insulator and the lower case in fig. 1;

FIG. 5 is a schematic view of the lower housing of FIG. 4;

FIG. 6 is a schematic view of the assembled state structure of the insulator and the contact in FIG. 4;

FIG. 7 is a schematic cross-sectional structure of FIG. 6;

FIG. 8 is a schematic view of the rear split of FIG. 6;

FIG. 9 is a schematic structural view showing an assembled state of the upper case and the insulating spacer;

FIG. 10 is a schematic view of the upper housing of FIG. 9;

FIG. 11 is a schematic illustration of the relative positional relationship of an insulating spacer to an insulator;

Fig. 12 is a schematic structural view of embodiment 2 of the connector.

In the figure:

1. an upper housing; 11, rib plates, 12, an upper threading groove, 121, an upper occluding groove section, 122, an upper rubber block mounting groove section, 13, an elastic piece, 14, an inserting bulge, 15, a positioning bulge, 16, a sealing ring mounting groove, 17, a clamping hole, 18 and an upper rubber block fixing bulge;

2. The insulator comprises a lower shell, a 21, an avoidance port, a 22, a lower wire penetrating groove, a 221, a lower occluding groove section, a 222, a lower rubber block mounting groove section, a23, a support column, a 231, a support groove, a 24, an inserting hole, a 25, a positioning groove, a 26, a jacking protrusion, a 27, a clamping protrusion, a 28, a lower rubber block fixing protrusion, a 29, a clamping groove, a 210, an upper opening and a 211, and an insulator blocking surface;

201. a contact mounting hole; 3, locking a spanner, 4, threading holes;

5. Insulator, 51, front split, 511, strong mounting hole, 512, support boss, 513, extension part, 514, notch, 515, spacing groove, 52, rear split, 521, strong mounting protrusion, 53, buckle;

6. an upper seal; 61, a sealing ring, 62, an upper wire clamping rubber block, 7, a lower sealing piece;

8. Power contact, 9, signal contact, 10, brake contact, 101, front row contact, 102, rear row contact, 200, welding connection surface;

300. Insulating partition board, vertical partition board, horizontal partition board, rib board inserting slot and rib board inserting slot;

401. The device comprises an upper shell, a lower shell, 403, an annular sealing ring, 404, screws, 405, positioning columns, 406 and positioning holes.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.

It is noted that relational terms such as "first" and "second" and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" as may occur, are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediary, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art in specific cases.

In the description of the present invention, unless explicitly stated and limited otherwise, the term "provided" as may occur, for example, as an object of "provided" may be a part of a body, may be separately arranged from the body, and may be connected to the body, and may be detachably connected or may be non-detachably connected. The specific meaning of the above terms in the present invention can be understood by those skilled in the art in specific cases.

The present invention is described in further detail below with reference to examples.

Example 1 of the connector of the present invention:

As shown in fig. 1,2 and 3, the connector is a plug, the plug includes a housing, the housing is a metal housing, the housing includes an upper housing 1 and a lower housing 2 which are mounted together in a butt joint manner, a locking wrench 3 is mounted on the upper housing 1, the locking wrench 3 is in a U-shaped structure, hinge structures are arranged between left and right side arms of the locking wrench 3 and left and right outer side walls of the upper housing 1, so that the locking wrench 3 is rotatably mounted on the upper housing 1, locking structures are arranged on the left and right side arms of the locking wrench 3, a locking matching structure is arranged on a socket matched with the plug, so that after the plug is plugged with the matched socket, the locking structure on the socket housing is locked and matched with the locking matching structure on the socket by rotating the locking wrench 3, and the plug and the socket are prevented from being disconnected.

An insulator 5 is arranged in the shell, a contact element is arranged on the insulator 5, a threading hole 4 for a cable to penetrate into the shell and an avoidance port 21 for exposing the insulator 5 and the plug-in end of the contact element from the inner cavity of the shell are arranged on the shell, and the orientation of the threading hole 4 and the avoidance port 21 is vertical. In this embodiment, the threading hole 4 extends in the front-rear direction, and the escape opening 21 faces downward. The avoidance port 21 is arranged on the lower shell 2, the threading hole 4 is formed by buckling the upper shell 1 and the lower shell 2, the insulator 5 is fixedly arranged on the lower shell 2, the contact element is exposed out of the inner cavity of the shell, and the joint surfaces of the upper shell 1 and the lower shell 2 are matched to form a seal through the upper seal element 6 and the lower seal element 7.

The upper sealing piece 6 is arranged on the upper shell 1 and comprises an upper thread clamping rubber block 62 and a sealing ring 61 which extends around the involution edges of the upper shell 1 and the lower shell 2, and the upper thread clamping rubber block 62 and the sealing ring 61 are integrally formed. The lower sealing piece 7 is arranged on the lower shell 2, the lower sealing piece 7 is a lower wire clamping rubber block, and the upper wire clamping rubber block 62 and the lower wire clamping rubber block are respectively provided with an arc-shaped groove so as to clamp the cable after the two wire clamping rubber blocks are combined and form a seal with the outer peripheral surface of the cable, thereby realizing the seal between the upper shell 1 and the lower shell 2 and the seal between the upper shell 1, the lower shell 2 and the cable.

As shown in fig. 4, 5 and 6, the lower housing 2 includes a main body and a protruding portion integrally provided with the main body, the main body and the protruding portion of the lower housing 2 are both rectangular structures, the main body of the lower housing 2 is a cavity having an upper opening 210 facing upwards, the cavity is surrounded by a bottom wall and a circumferential side wall, and the protruding portion of the lower housing 2 is provided on a rear side wall of the main body. The avoidance port 21 is disposed on the bottom wall of the main body of the lower housing 2, the size of the upper opening 210 of the lower housing 2 is larger than that of the avoidance port 21, and the avoidance port 21 is disposed near the front side wall of the main body of the lower housing 2. The insulator 5 is installed and dodges mouthful 21 department, and the position that corresponds to dodging mouthful 21 department on the left and right sides wall of lower casing 2 main part is equipped with the joint arch respectively, and the joint arch is upwards protruding the extension by the involution of lower casing 2, is equipped with draw-in groove 29 on the bellied medial surface of joint, is equipped with buckle 53 on the left and right sides wall of insulator 5 respectively, and buckle 53 is protruding wedge-shaped arch on the insulator 5 lateral wall. The clamping buckle 53 cooperates with the clamping groove 29 to realize clamping and fixing of the insulator 5 on the lower shell 2. The upper wall of the locking groove 29 is locked in the upward direction against the insulator 5, and an inner portion of the upper end surface of the circumferential side wall of the lower case 2 forms an insulator locking surface 211 for locking the insulator 5 in the downward direction.

The insulator 5 comprises two insulating split bodies which are arranged in a split manner, wherein the two insulating split bodies are a front split body 51 and a rear split body 52 respectively, the front split body 51 is far away from the threading hole 4 than the rear split body 52, the left side wall and the right side wall of the front split body 51 and the rear split body 52 are respectively provided with a buckle 53, and correspondingly, the left side wall and the right side wall of the main body of the lower shell 2 are respectively provided with two clamping bulges in a protruding manner.

The plurality of contacts comprises a power contact 8, a signal contact 9 and a brake contact 10, the contacts are arranged in rows and two rows and are divided into a front row of contacts 101 and a rear row of contacts 102, each row of contacts comprises the power contact 8, the signal contact 9 and the brake contact 10, the contacts in each row are arranged at intervals in the left-right direction, and the power contact 8, the signal contact 9 and the brake contact 10 in the front row of contacts 101 are in front-back one-to-one correspondence with the power contact 8, the signal contact 9 and the brake contact 10 in the rear row of contacts 102. In this embodiment, there are four power contacts 8, four signal contacts 9, and two brake contacts 10.

The front row of contacts 101 are mounted on the front sub-body 51 and the rear row of contacts 102 are mounted on the rear sub-body 52. The contact is L-shaped as a whole, and has a terminal for connection with a cable, a plug end for plugging with an adapter contact on a socket, and an intermediate fixing portion between the plug end and the terminal, the terminal extending from front to back, and the plug end extending from top to bottom. The front split body 51 and the rear split body 52 are respectively provided with a contact mounting hole 201 for embedding each contact, the contact mounting holes 201 are vertical through holes, the middle fixing part of each contact is provided with a strong-mounting structure so that the contact is fixed in the contact mounting holes 201 in a strong-mounting manner, and the inserting ends of the contacts are inserted into the contact mounting holes 201 to be in inserting contact with the contacts of the adapter socket.

The terminals of the contacts are sheet-like and the upper side forms a solder connection face 200 for solder connection with corresponding wires in the cable. And each insulating split body is respectively provided with a contact supporting table, each contact supporting table extends along the front-back direction and is respectively used for supporting each contact under the contact supporting tables, and the upper surfaces of the contact supporting tables form supporting surfaces. The contact support table includes a front support table provided at the front split 51 and a rear support table provided at the rear split 52.

As shown in fig. 6, 7 and 8, the front split body 51 is generally 7-shaped, and has an extension portion 513 extending toward a side close to the threading hole 4 and a front insertion portion extending downward, and the contact mounting hole 201 in the front split body 51 is provided in the front insertion portion and the front support is provided in the extension portion 513.

The rear split 52 is in an inverted U shape as a whole, and includes a middle section extending horizontally, a baffle portion extending vertically downward, and a rear insertion portion, a contact mounting hole 201 on the rear split 52 is provided on the rear insertion portion, and a rear support stand is provided on the middle section of the rear split 52.

After the front split body 51 and the rear split body 52 are fixed together, a part of the rear split body 52 is covered by the extension portion 513, the rear support stand on the rear split body 52 and the contact piece on the rear support stand are located below the extension portion 513, the extension portion 513 covers the contact piece mounting hole 201 on the rear split body 52 and covers the part of the contact piece on the rear split body 52 located at the front side of the terminal, and the terminal of the contact piece on the rear split body 52 is exposed. The terminals of the front and rear rows of contacts are arranged in a step-like manner, and the terminals of the front row of contacts 101 are higher than the terminals of the rear row of contacts 102.

Support bosses 512 are provided on the extension 513 at intervals on the rear side of the contact support stand supporting the power contacts 8, the support bosses 512 are used for supporting the power wires of the cable, and a spacing groove 515 is formed between the support bosses 512 and the contact support stand corresponding to the power contacts 8 so as to increase the creepage distance between the power contacts 8 in the front and rear rows.

The front split body 51 is provided with a strong mounting hole 511, the rear split body 52 is correspondingly provided with a strong mounting protrusion 521, and the strong mounting protrusion 521 and the strong mounting hole 511 form a strong fitting joint so as to fix the front split body 51 and the rear split body 52 together.

As shown in fig. 9, 10 and 11, the upper housing 1 includes a main body and a protrusion integrally provided with the main body, the main body and the protrusion of the upper housing 1 are both rectangular, the main body of the upper housing 1 is a cavity with a downward opening, the cavity is surrounded by a bottom wall and a circumferential side wall, and the protrusion of the upper housing 1 is provided on a rear side wall of the main body. The inner side surface of the bottom wall of the upper shell 1 is provided with a rib plate 11, and the rib plate 11 is of a flat plate structure and extends along the front-back direction.

The upper case 1 houses an insulating spacer 300, the insulating spacer 300 having a horizontal spacer portion 303 and a vertical spacer portion 301 and two riser portions 302, the vertical spacer portion 301 being located on one side of the two riser portions 302, the vertical spacer portion 301 being arranged with the two riser portions 302 being spaced apart in the left-right direction. A rib insertion groove 304 extending downward from the horizontal partition plate portion 303 to the vertical partition plate portion 301 is provided at a position of the upper plate surface of the horizontal partition plate portion 303 corresponding to the vertical partition plate portion 301, the rib insertion groove 304 extends in the front-rear direction with the notch facing upward, and the rib 11 on the upper case 1 is inserted into the rib insertion groove 304 and forms a tight fit so that the insulating partition plate 300 is fixed in the upper case 1.

The outer extension 513 is provided with a notch 514 for avoiding the vertical partition 301, and after the upper casing 1 and the lower casing 2 are combined together, the vertical partition 301 extends into the notch 514 on the outer edge, and separates the power contacts 8 and the signal contacts 9 in the front row and the rear row of contacts. At the same time, one of the two riser portions 302, which is close to the vertical partition portion 301, extends between the two power contacts 8 in the front row of contacts 101 to separate the two power contacts 8 in the front row of contacts 101, and the other riser separates the brake contact 10 in the front row of contacts 101 from the power contacts 8. The horizontal partition portion 303 separates the terminals of the respective contacts from the inner side walls of the upper case 1.

As shown in fig. 5 and 10, the protruding portion of the lower housing 2 is provided with a lower threading groove 22, and the protruding portion of the upper housing 1 is provided with an upper threading groove 12 for enclosing the threading hole 4 after the upper housing 1 and the lower housing 2 are combined. The lower threading groove 22 comprises a lower engagement groove section 221 and a lower rubber block mounting groove section 222, wherein the lower engagement groove section 221 is a semicircular arc groove, a row of engagement protrusions are arranged on the inner wall of the groove, and a plurality of engagement protrusions are arranged along the circumferential direction of the semicircular arc groove at intervals. The lower rubber block mounting groove section 222 is of a square groove structure and is positioned at the front side of the lower engagement groove section 221 and used for mounting the lower wire clamping rubber block.

The upper threading groove 12 comprises an upper engagement groove section 121 and an upper rubber block mounting groove section 122, the upper engagement groove section 121 is a semicircular arc groove, two rows of engagement protrusions which are axially spaced front and back are arranged on the inner wall of the groove, and a plurality of engagement protrusions are arranged in each row along the circumferential direction of the semicircular arc groove at intervals. The upper rubber block mounting groove section 122 is of a square groove structure and is positioned on the front side of the upper engagement groove section 121, and the upper rubber block mounting groove section 122 is used for mounting an upper wire clamping rubber block. The rubber block mounting groove sections of the upper threading groove 12 and the lower threading groove 22 are respectively provided with an upper rubber block fixing protrusion 18 and a lower rubber block fixing protrusion 28, and correspondingly, the thread clamping rubber block is provided with a fixing groove, and the thread clamping rubber block is fixed by tightly inserting the clamping block fixing protrusions into the fixing groove.

In the front-rear direction, a row of engaging protrusions on the lower engaging groove section 221 is located between two rows of engaging protrusions on the upper engaging groove section 121 to engage the cable sheath after the engagement, thereby playing a tensile role.

The shell is provided with a shielding contact structure for contacting with a shielding layer of a signal transmission wire of a cable, the shielding contact structure comprises a pressing part arranged on the upper shell 1 and a supporting part arranged on the lower shell 2, the pressing part is an elastic pressing part, the elastic pressing part is formed by a V-shaped elastic sheet 13, one side arm of the V-shaped is fixed on the inner side of the upper shell 1, and one side arm of the V-shaped is suspended in an inner cavity of the upper shell 1. The bottom wall of the lower shell 2 is provided with a support column 23, the upper end of the support column 23 is provided with a support groove 231, the support groove 231 forms a support part, the support column 23 is positioned at the rear side of the signal contact 9, and when the upper shell 1 and the lower shell 2 are opposite, the elastic piece 13 is matched with the support groove 231 on the support column 23 to elastically clamp the shielding layer of the signal transmission wire of the cable.

The upper housing 1 is provided with a seal ring mounting groove 16 for mounting a seal ring 61 of the upper seal member 6 on the mating surface, the lower housing 2 is provided with a pressing protrusion 26 on the mating surface, and when the upper housing 1 and the lower housing 2 are mated, the pressing protrusion 26 presses the seal ring 61 to tightly press the seal between the upper housing 1 and the lower housing 2.

The edge of the involution end face of the lower shell 2 is provided with a positioning groove 25, the positioning groove 25 is provided with a left positioning groove and a right positioning groove, a part of the left positioning groove 25 is positioned on the upper end face of the left side wall of the lower shell 2, a part of the right positioning groove 25 is positioned on the upper end face of the right side wall of the lower shell 2, a part of the right positioning groove 25 is positioned on the upper end face of the rear side wall of the lower shell 2, the edge of the involution end face of the upper shell 1 is provided with a positioning protrusion 15, the positioning protrusion 15 corresponds to the positioning groove 25 up and down, and the positioning protrusion 15 stretches into the positioning groove 25 when the upper shell 1 and the lower shell 2 are buckled, so that a positioning effect is achieved.

The front side wall of the main body of the lower shell 2 is provided with a plate-shaped bulge, the plate-shaped bulge is arranged close to the front side edge of the front side wall of the lower shell 2, the upper end face of the front side wall of the lower shell 2 extends in an upward protruding mode, the plate-shaped bulge is provided with an inserting hole 24, and the inserting hole 24 is a front-rear through hole. The left and right outer side walls of the convex part of the lower shell 2 are respectively provided with a locking protrusion 27, and the locking protrusions 27 are wedge-shaped protrusions. The front side surface of the front side wall of the main body of the upper shell 1 is provided with an avoidance concave part, the lower edge of the avoidance concave part is provided with an insertion protrusion 14, the insertion protrusion 14 protrudes forwards and extends, the left side wall and the right side wall of the convex part of the upper shell 1 are respectively provided with a convex part, the convex parts protrude downwards and extend from the lower end surface of the convex part of the upper shell 1, the two convex parts are respectively provided with a clamping hole 17, and the clamping holes 17 are square holes. The insertion hole 24 of the lower case 2 is inserted into the insertion protrusion 14 of the upper case 1, and the locking protrusion 27 of the lower case 2 is locked and engaged with the locking hole 17 of the upper case 1.

During assembly, the contact pieces are correspondingly arranged on the front split body 51 and the rear split body 52, the front split body 51 and the rear split body 52 are fixed together through a strong assembly structure, the insulator 5 is clamped on the lower shell 2, the lower end of the insulator 5 is exposed out of the avoiding opening 21, the lower wire clamping rubber block is arranged in the rubber block mounting groove, the insulating partition plate 300 and the elastic piece 13 are fixed on the inner wall of the upper shell 1, the upper wire clamping rubber block 62 and the sealing ring 61 of the upper sealing piece 6 are correspondingly arranged in the upper rubber block mounting groove section 122 and the sealing ring mounting groove 16, when the upper shell 1 is aligned with the lower shell 2, the insertion protrusion 14 at the front end of the upper shell 1 is inserted into the insertion hole 24 at the front end of the lower shell 2, the clamping hole 17 at the rear end of the upper shell 1 is clamped on the clamping protrusion 27 at the rear end of the lower shell 2, and meanwhile, the positioning protrusions 15 at the lower side edges of the upper shell 1 extend into the positioning grooves 25 at the upper side edges of the lower shell 2, so that the positioning clamping fixing of the upper shell 1 and the lower shell 2 is realized.

When the cable is made, wire stripping and shielding treatment are carried out on the outside of the plug, the upper shell 1 of the plug is opened, an upward opening is formed on the upper side of the lower shell 2, the wiring ends of the contact pieces are exposed from the opening formed by opening the upper shell 1, the end parts of the cable are arranged above the insulators 5, each core wire of the cable is respectively welded and connected with each contact piece, the signal transmission conductor of the cable is clamped in the supporting groove 231 of the supporting column 23, the upper shell 1 and the lower shell 2 are buckled, the upper cable clamping rubber block and the lower cable clamping rubber block clamp the cable, the sealing of the tail part of the cable at the threading hole 4 is realized, meanwhile, the upper shell 1, the lower shell 2 compress the sealing ring and the cable clamping rubber block to realize the sealing between the upper shell 1 and the lower shell 2, external liquid is prevented from entering the inside of the plug, the cable is locked through the meshing protrusions on the threading grooves to realize tensile resistance, and the upper shell 1 and the lower shell 2 are fixed through clamping and stress opening is prevented.

Through opening upper casing 1, insulator 5 can follow from the automatic assembly of from top to bottom and chucking to lower casing 2 like this, can preassemble in advance through automation equipment, lower casing 2, insulator 5, contact can be at the position of opening, the contact solder joint exposes completely on the insulator 5, can easily realize doing the line with the contact after the cable threading, avoided the wire in prior art to dodge out and return of mouth 21 department, greatly reduced the operation degree of difficulty and the complexity of doing the line assembly, improved and done line efficiency. Meanwhile, the insulator 5 is arranged in a split mode, after the automatic equipment makes lines on the contact pieces on the single insulating split, the same operation is repeated, automatic line making can be completed on the contact pieces on the plurality of insulating split without adjusting the automatic equipment, the front insulating split can cover the contact pieces on the rear insulating split, the creepage distance can be increased, and breakdown is prevented.

Through divide into upper casing, lower casing with the casing, divide into seal structure and press from both sides line glue piece, sealing washer and lower clamp line glue piece, open the connector completely, can easily realize doing the line and handle shielding, can realize automatic cutting out the line, wire stripping, automatic welding, automatic equipment etc. has greatly improved automatic line level of doing, reduces the cost of labor.

Example 2 of the connector in the present invention:

The difference between this embodiment and embodiment 1 is that in embodiment 1, the upper housing is in a fully opened structure, i.e. can be opened at the threading hole position, while in this embodiment, as shown in fig. 12, the upper housing 401 is in a half-opened structure, i.e. the upper housing has no portion for enclosing the threading hole, and the threading Kong Zaixia is integrally formed on the housing 402. The sealing element between the upper shell and the lower shell is an annular sealing ring 403.

The upper shell 401 and the lower shell 402 are inclined planes, the upper shell and the lower shell extend downwards in an inclined mode along the direction away from the threading hole, a positioning column 405 extending downwards is arranged at the rear end of the upper shell 401, a positioning hole 406 is formed in the position, corresponding to the positioning column 405, on the upper joint end face of the lower shell 402, of the positioning column 405, internal threads are formed in the positioning column 405, the positioning hole 406 is a step-shaped through hole, an upper portion with a larger aperture and a lower portion with a smaller aperture are formed, the upper portion is used for inserting the positioning column 405, and the lower portion is used for forming a screw through hole for allowing a screw 404 to penetrate into the positioning hole from bottom to top to be in threaded connection with the positioning column 405.

When doing the line, go up the casing and be open state, the cable passes the through wires hole and reaches lower casing upper portion space, carries out wire stripping and handles shielding, carries out the crimping with power contact, signal contact respectively with the heart yearn, then packs into the insulator with the contact after the line ball, fixes through the joint structure that the contact was taken certainly. After the cable is finished, the tail sealing assembly of the plug is used for realizing sealing and locking at the threading position, the tail sealing assembly comprises a cable locking nut, a pressing ring and a rubber ring, wherein the rubber ring ensures the sealing between the cable and the shell, external liquid is prevented from entering the plug, the cable locking nut is matched with the pressing ring to lock the cable to play a tensile effect, then an annular sealing ring is arranged in an annular groove of the lower shell, the upper shell is locked on the lower shell through a screw, and the annular sealing ring is positioned between the upper shell and the lower shell to ensure sealing. Thus, the whole line is completed.

Through opening the plug back, can easily realize doing the line and handle the shielding, the insulator just can install at the position of opening through simple design simultaneously, the cost is reduced, the assembly is reliable.

Example 3 of the connector in the present invention:

The difference between this embodiment and embodiment 1 is that in embodiment 1, there are two rows of contacts, but in this embodiment, there are three rows of contacts, and in other embodiments, each contact may be arranged in one row or four or more rows.

Example 4 of the connector in the present invention:

This embodiment differs from embodiment 1 in that there are power contacts in both rows of contacts in embodiment 1. In this embodiment, only one of the rows of contacts has a power contact.

Example 5 of the connector in the present invention:

this embodiment differs from embodiment 1 in that the terminals of the front row of contacts are higher than the terminals of the rear row of contacts in embodiment 1. In this embodiment, the terminals of the two rows of contacts are identical in height and the two rows of contacts are staggered in a direction away from the threading hole.

Example 6 of the connector in the present invention:

this embodiment is different from embodiment 1 in that the insulator in embodiment 1 includes a front split and a rear split provided separately. In this embodiment, the insulator is of a unitary structure.

Example 7 of the connector in the present invention:

The difference between this embodiment and embodiment 1 is that in embodiment 1, the front split body is provided with an extension portion for shielding the contact mounting hole of the rear split body, while in this embodiment, the front split body is not provided with an extension portion, and the contact mounting hole of the rear split body is exposed in the inner cavity of the housing.

Example 8 of the connector in the present invention:

The difference between this embodiment and embodiment 1 is that in embodiment 1, the upper split and the lower split are fixed by a strong-fitting structure, and in this embodiment, the upper split and the lower split are fixedly connected by a screw.

Example 9 of the connector in the present invention:

The present embodiment is different from embodiment 1 in that the supporting surface is formed by the upper surface of the supporting boss in embodiment 1, whereas the supporting surface is directly formed by the upper plane of the insulating body in this embodiment.

Embodiment 10 of the connector in the present invention:

the present embodiment is different from embodiment 1 in that the contact is welded to the cable in embodiment 1, whereas the contact is crimped to the cable in the present embodiment.

Embodiment 11 of the connector in the present invention:

The present embodiment is different from embodiment 1 in that the insulator in embodiment 1 is mounted on the lower housing in a snap-fit manner, and in this embodiment, the insulator is fixedly connected to the lower housing by a screw.

Embodiment 12 of the connector in the present invention:

The present embodiment is different from embodiment 1 in that the contact in embodiment 1 includes a power contact, a signal contact, and a brake contact, and in this embodiment, each contact is a power contact.

Example 13 of the connector in the present invention:

The present embodiment is different from embodiment 1 in that the shield contact structure in embodiment 1 is formed of an elastic sheet and a support groove. In this embodiment, the inner wall of the upper housing is provided with a pressing block, and the shielding contact structure is formed by the pressing block and the supporting groove.

Example 14 of the connector in the present invention:

The difference between this embodiment and embodiment 1 is that in embodiment 1, the seal ring and the upper thread clamping rubber block are integrally formed. In this embodiment, the sealing ring and the lower wire clamping rubber block are integrally formed, and the sealing ring and the lower wire clamping rubber block are mounted on the lower housing together.

Embodiment 15 of the connector in the present invention:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the upper housing is provided with a positioning protrusion, the lower housing is provided with a positioning groove, and in this embodiment, the lower housing is provided with a positioning groove, and the upper housing is provided with a positioning protrusion.

Embodiment 16 of the connector in the present invention:

The difference between this embodiment and embodiment 1 is that in embodiment 1, the upper housing is provided with a rib to fix the insulating partition, while in this embodiment, the upper housing is not provided with a rib, no insulating partition is provided between the upper housing and the contact, and a large space is provided between the terminal of the contact and the inner wall of the upper housing, and insulation is performed only by air.

Example 17 of connector in the present invention:

the present embodiment is different from embodiment 1 in that the insulating spacer in embodiment 1 has two riser portions and a vertical spacer portion that separates the power contact and the signal contact, whereas in the present embodiment, only the vertical spacer portion is provided on the insulating spacer. In other embodiments, a vertical partition portion may not be provided.

Embodiments of the connector assembly of the present invention:

the connector assembly, including the connector and the cable connected to the connector, has the same structure as the connector in any one of the above embodiments 1 to 17, and will not be described here again.

It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present invention, and the present invention is not limited to the above-mentioned embodiments, but may be modified without inventive effort or equivalent substitution of some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The connector comprises a shell, an insulator (5) is fixed in the shell, a contact element is arranged on the insulator (5), a threading hole (4) for a cable to penetrate into the shell and an avoidance hole (21) for the insulator (5) to be exposed out of an inner cavity of the shell are arranged on the shell, the threading hole (4) and the avoidance hole (21) are vertical in orientation, the connector is characterized by comprising an upper shell (401) and a lower shell (402), the avoidance hole (21) is arranged on the lower shell (402), the threading hole (4) is formed on the lower shell (402) or the threading hole (4) is formed by buckling the upper shell (401) and the lower shell (402), the insulator (5) is fixedly arranged on the lower shell (402), the contacts are provided with wiring terminals exposed in the inner cavity of the shell, the upper shell (401) and the lower shell (402) are buckled together in a sealing way, the upper shell and the lower shell are clamped and fixed, the insulator (5) and the wiring terminals of the contacts are exposed after the upper shell (401) is opened, the contacts are arranged in rows and are provided with more than two rows, at least two adjacent rows of contacts comprise power contacts (8), each row of contacts is arranged at intervals in the extending direction of the threading hole (4), the arranging direction of the contacts in each row is perpendicular to the extending direction of the threading hole (4), the wiring terminals of the contacts in the adjacent rows are arranged in a step-shaped manner from low to high along the direction away from the threading hole (4), the insulator (5) comprises insulating components which are arranged in a split mode, the number of the insulating components is equal to the number of rows of the contacts, a row of contacts are correspondingly arranged on each insulating component, the insulating components are detachably connected with each other, an extension part (513) extending towards one side close to the threading hole (4) is arranged on the insulating component far away from the threading hole (4), the insulating component close to the threading hole (4) is located below the extension part (513), parts of the insulating component are covered by the extension part (513), supporting surfaces which are upwards used for supporting the terminals of the corresponding contacts are arranged on the insulating component far away from the threading hole (4), at least part of the supporting surfaces are arranged on the extension part (513), the terminals of the contacts on the insulating component close to the threading hole (4) extend towards one side close to the threading hole (4), and the extension part (513) covers a part of the contacts arranged on the insulating component close to the threading hole (4) and enables the terminals of the contacts to be exposed.

2. The connector of claim 1, wherein one of the adjacent insulating segments is provided with a strong fitting protrusion (521) and the other is provided with a strong fitting hole (511), the strong fitting protrusion (521) and the strong fitting hole (511) forming a strong fitting engagement.

3. The connector according to claim 1, characterized in that a support boss (512) for supporting the power conductor of the cable is provided on the outer extension (513) on the side of the support surface close to the threading hole (4), and a spacing groove (515) is provided between the support boss (512) and the support surface.

4. A connector according to any one of claims 1-3, characterized in that the terminals of the contact are integrally connected to a horizontally extending section of the contact, the upper side of the horizontally extending section constituting a solder connection surface (200) for solder connection with the cable.

5. A connector according to any one of claims 1-3, wherein the relief opening (21) is opposite to the upper opening (210) of the lower housing (402) for mating with the upper housing (401), the upper opening (210) of the lower housing (402) is larger than the relief opening (21), the lower housing (402) is provided with an insulator stopper surface (211) for stopping the insulator (5) in a downward direction, and the insulator (5) is mounted to the lower housing (402) from top to bottom.

6. The connector of claim 5, wherein the insulator (5) is provided with a buckle (53), and the lower housing (402) is provided with a corresponding clamping groove (29) to be matched with the buckle (53), and the insulator (5) is fixed and positioned on the lower housing (402) by clamping the buckle (53) with the clamping groove (29) and blocking the insulator blocking surface (211).

7. A connector according to any one of claims 1-3, characterized in that the contact comprises a signal contact (9), the signal contact (9) being intended to be connected to a signal transmission conductor of a cable, the housing being a metal housing, the housing being provided with a shielding contact structure for contacting a shielding layer of the signal transmission conductor of the cable.

8. The connector according to claim 7, wherein the shield contact structure includes a pressing portion provided at the upper housing (401) and a supporting portion provided at the lower housing (402) so that the pressing portion and the supporting portion clamp the shield layer of the signal transmission wire of the cable when the upper housing (401) and the lower housing (402) are butted.

9. The connector of claim 8, wherein the pressing portion is an elastic pressing portion and the supporting portion is a supporting groove (231).

10. A connector according to any one of claims 1-3, wherein the threading hole (4) is surrounded by threading grooves respectively provided on the upper housing (401) and the lower housing (402), threading grooves are respectively provided with thread clamping rubber blocks, the upper and lower thread clamping rubber blocks are combined up and down to realize sealing with a cable, and sealing rings (61) extending along the combining edges are further provided between the combining surfaces of the upper housing (401) and the lower housing (402).

11. A connector according to any one of claims 1 to 3, wherein a positioning protrusion (15) is provided on a mating surface of one of the upper housing (401) and the lower housing (402), and a positioning groove (25) is provided on the other, and the positioning protrusion (15) and the positioning groove (25) cooperate to realize positioning when the upper housing (401) and the lower housing (402) are fastened.

12. A connector according to any one of claims 1-3, characterized in that the housing is a metal housing, the inner side of the upper housing (401) being further provided with an insulating spacer (300), the insulating spacer (300) covering over the contacts.

13. The connector according to claim 12, wherein the contacts are plural and arranged in rows, each row of contacts including a power contact (8) and a signal contact (9), the power contact (8) and the signal contact (9) in each row being arranged at intervals in a direction perpendicular to the axis of the threading hole (4), the insulating spacer (300) including a horizontal spacer portion (303) and a vertical spacer portion (301), the horizontal spacer portion (303) covering over the contacts, the vertical spacer portion (301) being interposed between the power contact (8) and the signal contact (9).

14. A connector according to any one of claims 1-3, wherein the threading hole (4) is provided in the lower housing (402), and the mating surfaces of the upper housing (401) and the lower housing (402) are inclined surfaces extending obliquely downward in a direction away from the threading hole (4).

15. The connector of claim 14, wherein a positioning post (405) extending downwards is provided on a side wall of the upper housing (401) near one end of the threading hole (4), a positioning hole (406) is provided on the lower housing (402) corresponding to the positioning post (405), an internal thread is provided on the positioning post (405), the positioning hole (406) is a stepped through hole, a portion with a larger aperture is provided for inserting the positioning post (405), and a portion with a smaller aperture is used for forming a through hole of the screw (404) so that the upper housing (401) and the lower housing (402) are in locking connection through the screw (404).

16. Connector assembly comprising a connector and a cable connected to the connector, characterized in that the connector is a connector according to any of the preceding claims 1-15.