CN213151206U

CN213151206U - Elbow connector

Info

Publication number: CN213151206U
Application number: CN202022179712.8U
Authority: CN
Inventors: 林广纳; 邹太和
Original assignee: Guangdong Shunke Electric Manufacturing Co ltd
Current assignee: Guangdong Shunke Connection Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-05-07
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a corner connector, which comprises a connecting piece, a shell and a switching sleeve, wherein the connecting piece is used for installing a terminal electrically connected with a cable, the shell is sleeved outside the connecting piece, the shell is clamped with the connecting piece, the switching sleeve is sleeved outside the cable, two ends of the switching sleeve are respectively a sealing end and an adjusting end, the sealing end and the adjusting end are arranged at an included angle, and the adjusting end is rotatably connected with the shell; or the angle between the sealing end and the adjusting end is adjustable, and the adjusting end is connected with the shell. Above-mentioned elbow connector, when the terminal on the connecting piece is pegged graft with the socket, the position of connecting piece is fixed along with the grafting of terminal, and the position of adapter sleeve relative casing can be adjusted according to the condition of installation scene to the adapter sleeve, rotates the adapter sleeve promptly, or adjusts the angle between the sealed end of adapter sleeve and the regulation end, makes adapter sleeve or cable not take place the position with other equipment of installation scene and interferes, consequently makes the connector can connect more easily, has made things convenient for the use.

Description

Elbow connector

Technical Field

The utility model relates to a transmission of electricity jointing equipment technical field especially relates to an elbow connector.

Background

The connector can be used for connecting equipment and a circuit, is used for realizing the transmission of current and signals, and has wide application. The terminal portion of the connector needs to maintain a certain connection mode during connection to ensure that the connection and effective transmission of a circuit can be realized, the shape of the connector may cause position interference, the installation position of the connector needs to be adjusted, but the plugging mode of the terminal is determined, the connector cannot be adjusted, the connector cannot be connected, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model discloses lie in overcoming prior art not enough, provide a corner connector who facilitates the use.

The technical scheme is as follows:

a corner connector, comprising:

the connector is used for mounting a terminal electrically connected with a cable;

the shell is sleeved outside the connecting piece and is clamped with the connecting piece; and

the adapter sleeve is used for being sleeved outside the cable, two ends of the adapter sleeve are respectively a sealing end and an adjusting end, the sealing end and the adjusting end are arranged at an included angle, and the adjusting end is rotatably connected with the shell; or the angle between the sealing end and the adjusting end is adjustable, and the adjusting end is connected with the shell.

Above-mentioned elbow connector, connecting piece mountable terminal, the casing cover is established outside the connecting piece, can protect the terminal, switching cover is located outside the cable, can play the effect of leading to the cable and protecting, when terminal on the connecting piece is pegged graft with the socket, the position of connecting piece is fixed along with the grafting of terminal, the position that leads to the casing with the connecting piece joint is also fixed, and the regulation end and the casing rotatable coupling of switching cover, the switching cover can be according to the position of the relative casing of the condition adjustment switching cover of installation scene, rotate the switching cover promptly, or the angle between the sealed end of adjustment switching cover and the regulation end, make switching cover or cable not take place the position with other equipment of installation scene and interfere, consequently, make the connector can connect more easily, and convenient for use.

In one embodiment, when the adjusting end is rotatably connected to the housing, a first engaging portion is disposed outside the adjusting end, a docking hole is disposed in the housing, a second engaging portion is disposed on an inner wall of the docking hole, the adjusting end is in plug-in engagement with the docking hole, the first engaging portion is in concave-convex engagement with the second engaging portion, and the first engaging portion and/or the second engaging portion are/is plural.

In one embodiment, the first matching portion is a clamping groove, the second matching portion is a protrusion matched with the clamping groove, the protrusion comprises a first wall and a second wall, the first wall and the second wall are respectively arranged opposite to two side walls of the clamping groove, and the distance between the first wall and the second wall is gradually reduced along the direction close to the clamping groove.

In one embodiment, the elbow connector further includes a fixing member, and the fixing member is used for fixing the adaptor sleeve and the housing.

In one embodiment, one end of the fixing member is clamped with the adjusting end, the other end of the fixing member is sleeved outside the shell, and the fixing member is in threaded fit with the shell.

In one embodiment, the corner connector further includes a C-shaped snap ring, a first clamping groove is formed in one side, away from the housing, of the adjusting end, a second clamping groove is formed in the fixing member, the second clamping groove corresponds to the first clamping groove, the second clamping groove is formed in the fixing member, away from one end of the housing, and the depth of the first clamping groove is smaller than or equal to the maximum width of the C-shaped snap ring.

In one embodiment, the connecting member includes a terminal limiting member and a terminal bracket, the terminal limiting member and the terminal bracket are sequentially disposed in the butt-joint hole along a direction away from the adapter sleeve, the terminal limiting member is used for fixing a terminal made of a core wire of the cable, the terminal limiting member is detachably connected to the terminal bracket, and the terminal bracket is provided with a positioning hole through which the terminal is inserted.

In one embodiment, the elbow connector further includes a shielding ring, a mounting groove is formed at one end of the terminal limiting piece close to the adapter sleeve, and the shielding ring is disposed at the mounting groove and sleeved with the terminal limiting piece.

In one embodiment, the housing includes a housing main body and a connecting body, a circumferential limiting groove is axially disposed outside the terminal support, the housing main body is clamped with the connecting body, the housing main body is rotatably connected with the adjusting end, one end of the connecting piece away from the housing main body and the connecting body are all sleeved outside the terminal support, and a guide block matched with the circumferential limiting groove is disposed in the housing main body.

In one embodiment, the elbow connector further comprises a shrinkage sleeve and a rear cover, the shrinkage sleeve is used for being sleeved outside the cable, one end of the shrinkage sleeve extends into the sealing end, the other end of the shrinkage sleeve is provided with a clamping element, the clamping element comprises a plurality of branch elements arranged at intervals along the circumferential direction, one end of the rear cover is sleeved outside the end portion of the sealing end, the other end of the rear cover is sleeved outside the clamping element, a protrusion is arranged on the inner wall, far away from the sealing end, of the rear cover, and the side wall, close to the sealing end, of the protrusion is an inclined plane.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described 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 without creative efforts.

Fig. 1 is a first cross-sectional view of an elbow connector according to an embodiment of the present invention;

fig. 2 is a second cross-sectional view of the elbow connector according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is an enlarged schematic view of fig. 1 at B.

Description of reference numerals:

100. the connector comprises a connector body, 110, a terminal limiting piece, 120, a terminal support, 121, a second socket, 200, a shell body, 201, a second matching portion, 201a, a first wall, 201b, a second wall, 210, a shell body, 220, a connecting body, 300, an adapter sleeve, 301, a sealing end, 302, an adjusting end, 303, a first matching portion, 304, a first clamping groove, 410, a fixing piece, 420, a C-shaped clamping ring, 500, a sealing piece, 600, a shielding ring, 710, a shrinkage sleeve, 720, a rear cover, 721, a protrusion, 730, a sealing sleeve piece, 10 and a terminal.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

As shown in fig. 1 to 3, a corner connector includes a connecting piece 100, a housing 200, and an adaptor sleeve 300, where the connecting piece 100 is used to mount a terminal 10 electrically connected to a cable, the housing 200 is sleeved outside the connecting piece 100, the housing 200 is clamped to the connecting piece 100, the adaptor sleeve 300 is used to be sleeved outside the cable, two ends of the adaptor sleeve 300 are respectively a sealing end 301 and an adjusting end 302, the sealing end 301 and the adjusting end 302 form an included angle, and the adjusting end 302 is rotatably connected to the housing 200; or the angle between the sealing end 301 and the adjusting end 302 is adjustable, and the adjusting end 302 is connected with the shell 200.

In the elbow connector, the terminal 10 can be mounted on the connecting element 100, the housing 200 is sleeved outside the connecting element 100 and can protect the terminal 10, the adapter sleeve 300 is sleeved outside the cable and can play a role in guiding and protecting the cable, when the terminal 10 on the connecting element 100 is plugged into a socket, the position of the connecting element 100 is fixed along with the plugging of the terminal 10, so that the position of the housing 200 clamped with the connecting element 100 is also fixed, the adjusting end 302 of the adapter sleeve 300 is rotatably connected with the housing 200, and the adapter sleeve 300 can adjust the position of the adapter sleeve 300 relative to the housing 200 according to the situation of an installation site, i.e., the adapter sleeve 300 is rotated or the angle between the sealing end 301 and the adjusting end 302 of the adapter sleeve 300 is adjusted, so that the adapter sleeve 300 or the cable does not interfere with other devices on the installation site, and therefore, the connector can be connected more easily and is convenient to use.

Specifically, if the position with terminal 10 complex plug is lower, the distance on plug and ground is less, and conventional elbow connector is when inserting the plug, and the conflict condition appears in the partial structure of connector and ground, leads to the connector unable to use, and elbow connector in this application, the position of rotatable adjustment sealed end 301, or the contained angle between adjustment sealed end 301 and the regulation end 302, make sealed end 301 not with ground contact, guaranteed that elbow connector can normal use.

Optionally, the sealing end 301 and the adjusting end 302 are disposed at an included angle, and the included angle is more than 0 ° and less than 180 °.

In one embodiment, as shown in fig. 1 to 3, when the adjusting end 302 is rotatably connected to the housing 200, a first engaging portion 303 is disposed outside the adjusting end 302, a docking hole is disposed inside the housing 200, a second engaging portion 201 is disposed on an inner wall of the docking hole, the adjusting end 302 is in plug-in engagement with the docking hole, the first engaging portion 303 is in concave-convex engagement with the second engaging portion 201, and the number of the first engaging portion 303 and/or the second engaging portion 201 is plural. At this moment, the adapter sleeve 300 can be rotated, so that the second matching part 201 and different first matching parts 303 or the first matching parts 303 and different second matching parts 201 are matched in a concave-convex mode, the first matching parts 303 and the second matching parts 201 are circumferentially fixed, the return of the adapter sleeve 300 is prevented, and the use is not influenced.

Alternatively, when the first fitting portion 303 is plural, the first fitting portion 303 is provided at intervals in the circumferential direction of the adjustment end 302, and when the second fitting portion 201 is plural, the second fitting portion 201 is provided at intervals in the circumferential direction of the inner wall of the docking hole.

In other embodiments, the elbow connector includes an elastic button, the elastic button is mounted on the adjusting end 302 through an elastic member, the elastic button and the first matching portion 303 form an integral structure, a recess for mounting the elastic button and the first matching portion 303 is formed outside the adjusting end 302, and the elastic button is located outside the abutting hole. The first matching part 303 can return to the yielding groove by pressing the elastic button, at the moment, the adapter sleeve 300 and the shell 200 can rotate relatively, when the adapter sleeve rotates to a desired angle, the elastic button is loosened, so that the first matching part 303 extends out of the yielding groove again and is in concave-convex matching with the second matching part 201, and circumferential fixing of the adjusting end 302 and the shell 200 is realized.

In other embodiments, the housing 200 can be inserted into the adjustment end 302 to achieve the insertion fit between the housing 200 and the adjustment end 302, in which case the first fitting portion 303 is disposed inside the adjustment end 302, and the second fitting portion 201 is disposed outside the housing 200.

Alternatively, when the angle between the sealing end 301 and the adjusting end 302 is adjustable, the adaptor sleeve 300 may be a serpentine tube. Can be bent at will, and the adapter sleeve 300 can maintain the current shape after being bent. Or the sealing end 301 and the adjusting end 302 of the adapter sleeve 300 are hinged, an adjusting piece is arranged on the adapter sleeve 300, two ends of the adjusting piece are respectively in threaded fit with the sealing end 301 and the adjusting end 302, the threads at two ends of the adjusting piece are opposite in turning direction, when the adjusting piece is rotated towards one direction, the adjusting piece can drive the sealing end 301 and the adjusting end 302 to be close to each other, and when the adjusting piece is rotated towards the other direction, the adjusting piece can drive the sealing end 301 and the adjusting end 302 to be away from each other, so that the included angle between two ends of the adapter sleeve 300 can be adjusted.

In one embodiment, as shown in fig. 2 to 3, the first matching portion 303 is a clamping groove, the second matching portion 201 is a protrusion 721 matched with the clamping groove, the protrusion 721 includes a first wall 201a and a second wall 201b, the first wall 201a and the second wall 201b are respectively disposed opposite to two side walls of the clamping groove, and a distance between the first wall 201a and the second wall 201b is gradually reduced along a direction approaching the clamping groove. When the adapter sleeve 300 rotates relative to the housing 200, the structure of the protrusion 721 enables the first wall 201a or the second wall 201b to contact with the sidewall of the clamping groove, the interference force applied to the first wall 201a or the second wall 201b can generate a component force along the first wall 201a or the second wall 201b, and further the protrusion 721 passes through the position of the clamping groove through a certain deformation, so that the angle between the adapter sleeve 300 and the housing 200 can be adjusted conveniently in a direct rotation manner, and the adjustment operation is simpler.

Alternatively, the first wall 201a is disposed along the radial direction of the housing 200, and the second wall 201b is disposed obliquely with respect to the radial direction of the housing 200; or the second wall 201b is disposed along the radial direction of the housing 200, and the first wall 201a is disposed obliquely with respect to the radial direction of the housing 200; or the first wall 201a and the second wall 201b are both disposed obliquely with respect to the radial direction of the housing 200. The first wall 201a and the second wall 201b are both inclined relative to the radial direction of the housing 200, and the adaptor sleeve 300 can rotate in two directions relative to the housing 200.

Optionally, the protrusion 721 further includes a third wall connected to the first wall 201a and the second wall 201b, respectively, and the third wall has the same central axis as the housing 200, so as to reduce the position interference between the adaptor sleeve 300 and the sidewall of the first fitting portion 303 when rotating.

In other implementations, the first wall 201a and the second wall 201b are arcuate surfaces that meet.

In one embodiment, as shown in fig. 1 to 4, the elbow connector further includes a fixing member 410, and the fixing member 410 is used for fixing the adaptor sleeve 300 and the housing 200. The fixing member 410 can prevent the adaptor sleeve 300 from being separated from or rotated relative to the housing 200, and the stability of the whole structure can be maintained.

In one embodiment, as shown in fig. 1 to 4, one end of the fixing element 410 is clamped to the adjusting end 302, the other end of the fixing element 410 is sleeved outside the housing 200, and the fixing element 410 is in threaded engagement with the housing 200. Mounting 410 and casing 200 screw-thread fit, and mounting 410 cover is outside casing 200, prevents that casing 200 from making protruding 721 remove to adjacent joint groove by one of them joint groove through deformation, guarantees that protruding 721 can be spacing at the joint inslot, and adapter sleeve 300 and casing 200 can not rotate relatively this moment, and is fixed effectual. Meanwhile, the fixing member 410 is clamped with the adjusting end 302, so that the adapter sleeve 300 can be prevented from being separated from the housing 200.

In one embodiment, as shown in fig. 1 to 4, the elbow connector further includes a C-shaped snap ring 420, a first engaging groove 304 is disposed on a side of the adjusting end 302 away from the housing 200, a second engaging groove is disposed on the fixing element 410, the second engaging groove is disposed corresponding to the first engaging groove 304, the second engaging groove is disposed outside an end of the fixing element 410 away from the housing 200, and a depth of the first engaging groove 304 is less than or equal to a maximum width of the C-shaped snap ring 420. When the fixing piece 410 is not in threaded fit with the shell 200, the C-shaped clamp ring 420 deforms and is extruded into the first clamping groove 304, at the moment, the C-shaped clamp ring 420 does not influence the movement of the fixing piece 410 in the direction close to the shell 200, then, the fixing piece 410 rotates and is in threaded fit with the shell 200 until the first clamping groove 304 is aligned with the second clamping groove, the C-shaped clamp ring 420 rebounds and is partially clamped into the second clamping groove, the movement of the fixing piece 410 can be prevented, at the moment, because one end of the fixing piece 410 is clamped with the adapter sleeve 300, the other end of the fixing piece 410 is in threaded fit with the shell 200, the adapter sleeve 300 and the shell 200 can be limited, the adapter sleeve 300 and the shell 200 are prevented from being separated from each other, the clamping of the fixing piece 410 and the adapter sleeve 300 can be realized through the automatic rebounding.

In other embodiments, a first insertion hole is formed outside the adjusting end 302, a second insertion hole is formed on the fixing member 410, and a rod member can be used to penetrate through the first insertion hole and the second insertion hole, so as to realize the clamping connection between the fixing member 410 and the adjusting end 302.

In one embodiment, as shown in fig. 1 and 4, the connecting member 100 includes a terminal limiting member 110 and a terminal bracket 120, the terminal limiting member 110 and the terminal bracket 120 are sequentially disposed in the butt-joint hole along a direction away from the adapter sleeve 300, the terminal limiting member 110 is used to fix the terminal 10 made of the core wire of the cable, the terminal limiting member 110 is detachably connected to the terminal bracket 120, and the terminal bracket 120 is provided with a positioning hole for the terminal 10 to penetrate through. The core wire of the cable can be manufactured into the terminal 10 by using a special crimping tool, the terminal 10 can be fixed by the terminal limiting part 110, then the terminal 10 can be inserted into the terminal support 120, so that the plug can be conveniently plugged, and the terminal limiting part 110 can be detachably connected with the terminal support 120, so that the terminal 10 can be conveniently manufactured.

Optionally, the terminal limiting part 110 is provided with a plurality of through holes, the terminal 10 can pass through the through holes, and different through holes are arranged at intervals, so that the function of arranging the core wires of the cable can be achieved.

Optionally, as shown in fig. 1, two sides of the terminal support 120 are respectively provided with a first insertion opening and a second insertion opening 121, a partition plate is disposed between the first insertion opening and the second insertion opening 121, the terminal limiting member 110 partially extends into the first insertion opening, and the terminal 10 penetrates through the partition plate and extends into the second insertion opening 121. At this time, the terminal bracket 120 and the terminal limiting member 110 are detachably connected by plugging, and can be matched with a plug through the second socket 121, so that the terminal 10 and the plug are conveniently aligned, and good waterproof performance is provided.

Optionally, as shown in fig. 4, the elbow connector further includes a sealing member 500, the sealing member 500 is disposed between the adjusting end 302 and the housing 200, and the sealing member 500 is located between the first engaging groove 304 and the first mating portion 303. Through the sealing member 500, liquid or other impurities can be prevented from entering the interior from the gap between the adjusting end 302 and the housing 200, the sealing performance is improved, the occurrence of faults can be reduced, the service life is prolonged, and the use safety is ensured.

Optionally, a seal groove is provided outside the adjustment end 302 for mounting the seal 500. The sealing element 500 is limited, and the sealing effect is guaranteed.

Optionally, the seal 500 is an O-ring.

In one embodiment, as shown in fig. 1 and 4, the elbow connector further includes a shielding ring 600, a mounting groove is formed outside one end of the terminal limiting member 110 close to the adapter sleeve 300, and the shielding ring 600 is disposed at the mounting groove and sleeved on the terminal limiting member 110. The shield ring 600 may reduce interference and may be able to cooperate with the shielding of the cable. The mounting groove of the terminal position-limiting member 110 can limit the position of the shielding ring 600, thereby preventing the displacement of the shielding ring 600.

Optionally, a shielding ring 600 is located in the docking hole, and a shielding layer for clamping the cable is between the shielding ring 600 and the housing 200. For preventing shielding of external signals or circuits.

Optional volume, the shielding ring 600 overcoat is equipped with the sealing washer, and the sealing washer can be used to the shielding layer of centre gripping cable this moment, and is better to the fixed effect of shielding layer to can further prevent inside outside liquid or impurity entering.

In one embodiment, as shown in fig. 1, the housing 200 includes a housing main body 210 and a connecting main body 220, a circumferential limiting groove axially disposed is disposed outside the terminal bracket 120, the housing main body 210 is clamped with the connecting main body 220, the housing main body 210 is rotatably connected to the adjusting end 302, one end of the housing main body 210, which is far away from the connecting member 100, of the connecting main body 220 are both sleeved outside the terminal bracket 120, and a guide block matching with the circumferential limiting groove is disposed inside the housing main body 210. The terminal support 120 can be inserted into the housing body 210, and the guide block can slide along the circumferential limiting groove, so that the terminal support 120 and the housing body 210 are prevented from rotating relatively, meanwhile, the arrangement of the terminal 10 can be ensured to be correct, and the follow-up phenomenon that the terminal support cannot be matched with a plug is prevented.

In one embodiment, as shown in fig. 1, the elbow connector further includes a shrinkage sleeve 710 and a rear cover 720, the shrinkage sleeve 710 is configured to be sleeved outside a cable, one end of the shrinkage sleeve 710 extends into the sealing end 301, the other end of the shrinkage sleeve 710 is provided with a clamping member, the clamping member includes a plurality of branch members circumferentially arranged at intervals, one end of the rear cover 720 is sleeved outside the end of the sealing end 301, the other end of the rear cover 720 is sleeved outside the clamping member, a protrusion 721 is disposed on an inner wall of the rear cover 720 far from the sealing end 301, and a side wall of the protrusion 721 near the sealing end 301 is an inclined surface.

At this time, the rear cover 720 can be brought close to the sealing end 301 with the rotation of the rear cover 720, and the protrusion 721 of the rear cover 720 can press the branch member to clamp the cable, thereby fixing the cable.

Specifically, as shown in fig. 1, the elbow connector further includes a sealing sleeve 730, the sealing sleeve 730 is configured to be sleeved outside the cable, the sealing sleeve 730 is disposed in the shrinkage sleeve 710 and located at an inner side position of the clamping member, and at this time, along with the branch member being pressed, the sealing sleeve 730 is also pressed inward, so that the sealing sleeve 730 is assembled with the cable more tightly, and a better sealing effect is achieved.

The elbow connector can be manufactured by the following method:

the cable penetrates through the rear cover 720, the shrinkage sleeve 710, the adapter sleeve 300 and the shielding ring 600;

stripping the outer layer of the cable by 16-20 mm;

folding the shielding layer of the cable backwards to the outside of the cable outer cover;

stripping an insulating layer of the cable by 3.5-4.6 mm to expose a core wire;

crimping the core wire with a crimping tool to make the terminal 10;

different terminals 10 are inserted and fixed into the corresponding through holes;

inserting the terminal limiting member 110 into the terminal support 120, so that the terminal 10 passes through the partition and enters the second inserting hole 121;

retracting the shielding layer, sleeving the shielding ring 600 outside the shielding layer, and clamping the shielding ring 600 with the terminal limiting part 110;

the shielding layer is turned backwards and sleeved outside the shielding ring 600 until the shielding layer covers the sealing ring on the shielding ring 600;

the fixing member 410 is sleeved outside the cable;

inserting the terminal limiting member 110 and the terminal bracket 120 into the docking hole of the housing 200, wherein the circumferential limiting groove of the terminal bracket 120 is in sliding fit with the guide block in the housing body 210;

adjusting the relative rotation angle between the adapter sleeve 300 and the housing 200, rotating the fixing member 410, and moving the housing 200 in the direction close to the adapter sleeve 300 by using the screw-thread fit;

rotation of the rear cap 720 causes the rear cap 720 to move in a direction towards the sealed end 301 and causes the legs of the shrink sleeve 710 to bend inwardly to grip the cable.

By the manufacturing method, the cable can be conveniently fixed, the terminal 10 can be manufactured, the terminal 10 can be configured to an accurate position for butt joint with the plug, and the adaptor sleeve 300 can be rotated relative to the shell 200 due to the fact that the rotation angle of the adaptor sleeve 300 and the shell 200 is adjustable, so that when the terminal 10 is in butt joint with the plug, the adaptor sleeve 300 cannot interfere with other equipment on an installation site, and smooth plugging is guaranteed.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims

1. A corner connector, comprising:

2. The elbow connector according to claim 1, wherein when the adjusting end is rotatably connected to the housing, a first engaging portion is disposed outside the adjusting end, a docking hole is disposed in the housing, a second engaging portion is disposed on an inner wall of the docking hole, the adjusting end is in plug-in engagement with the docking hole, the first engaging portion is in concave-convex engagement with the second engaging portion, and the first engaging portion and/or the second engaging portion are plural.

3. The elbow connector according to claim 2, wherein the first mating portion is a locking groove, the second mating portion is a protrusion matching with the locking groove, the protrusion includes a first wall and a second wall, the first wall and the second wall are respectively disposed opposite to two side walls of the locking groove, and a distance between the first wall and the second wall gradually decreases along a direction approaching the locking groove.

4. The elbow connector of claim 2, further comprising a securing member for securing the adaptor sleeve to the housing.

5. The elbow connector according to claim 4, wherein one end of the fixing member is clamped with the adjusting end, the other end of the fixing member is sleeved outside the housing, and the fixing member is in threaded fit with the housing.

6. The elbow connector according to claim 5, further comprising a C-shaped snap ring, wherein a first clamping groove is formed in a side, away from the housing, of the adjusting end, a second clamping groove is formed in the fixing member, the second clamping groove is arranged corresponding to the first clamping groove, the second clamping groove is formed in the outside of one end, away from the housing, of the fixing member, and the depth of the first clamping groove is smaller than or equal to the maximum width of the C-shaped snap ring.

7. The elbow connector according to claim 2, wherein the connecting member includes a terminal limiting member and a terminal bracket, the terminal limiting member and the terminal bracket are sequentially disposed in the butt-joint hole along a direction away from the adapter sleeve, the terminal limiting member is used for fixing a terminal made of a core wire of the cable, the terminal limiting member is detachably connected to the terminal bracket, and a positioning hole for the terminal to penetrate through is disposed on the terminal bracket.

8. The elbow connector according to claim 7, further comprising a shielding ring, wherein a mounting groove is formed at one end of the terminal position limiting member close to the adapter sleeve, and the shielding ring is disposed at the mounting groove and sleeved with the terminal position limiting member.

9. The elbow connector according to claim 7, wherein the housing includes a housing main body and a connecting main body, a circumferential limiting groove axially disposed is disposed outside the terminal support, the housing main body is connected with the connecting main body in a clamping manner, the housing main body is rotatably connected with the adjusting end, one end of the housing main body, which is far away from the connecting piece, of the connecting main body is sleeved outside the terminal support, and a guide block matched with the circumferential limiting groove is disposed inside the housing main body.

10. The elbow connector according to any one of claims 1-9, further comprising a shrink sleeve and a back cover, wherein the shrink sleeve is used for being sleeved on the cable, one end of the shrink sleeve extends into the sealing end, the other end of the shrink sleeve is provided with a clamping member, the clamping member comprises a plurality of branch members arranged at intervals along a circumferential direction, one end of the back cover is sleeved outside the end portion of the sealing end, the other end of the back cover is sleeved outside the clamping member, a protrusion is arranged on an inner wall of the back cover far away from the sealing end, and a side wall of the protrusion near the sealing end is an inclined surface.