CN217427226U

CN217427226U - DC connecting line

Info

Publication number: CN217427226U
Application number: CN202221275876.3U
Authority: CN
Inventors: 兰永生; 卢集华; 邝金兴
Original assignee: Xiamen Run Power Cable Co ltd
Current assignee: Xiamen Run Power Cable Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-09-13
Anticipated expiration: 2032-05-25

Abstract

The application relates to a DC connecting line, which comprises a connecting line, two butt-joint terminals and a plug, wherein the two butt-joint terminals and the plug are respectively positioned at two ends of the connecting line; two switching terminals are formed at two ends of the other connecting line sections respectively; two adjacent connecting line sections are connected through a connecting assembly, the connecting assembly comprises a receiving piece and an embedded piece, the end part of each connecting line section is connected with the receiving piece, the embedded piece or a plug, the embedded piece is inserted into the receiving piece, and the plug is used for connecting the butt terminal with other connecting ends. The present application has an effect of reducing the possibility of damage to the outer jacket of the DC connection line by the winding tie.

Description

DC connecting line

Technical Field

The application relates to the field of DC connecting line technology, in particular to a DC connecting line.

Background

A DC link is a wire used to transmit direct current. The DC connecting line is mainly used for power output and audio transmission, and is widely applied to digital products, small household appliances and testing at present.

The DC connecting wire comprises a connecting wire, butt-joint terminals at two ends of the connecting wire and a plug for connecting the butt-joint terminals with other connecting ends, the connecting wire comprises a copper wire, an insulating sheath sleeved on the copper wire and an outer sheath sleeved on the insulating sheath, the copper wire is mainly used as a conductor of current, the insulating sheath blocks the copper wire from contacting with air to prevent electric leakage, and the outer sheath can be used for protecting the insulating sheath and the copper wire.

In the case of a long direct current transmission path, the used DC connection line is also long, and the DC connection line needs to be wound and then bound for storage and transportation. The DC connecting line is wound for a long time, the outer sheath can be stretched and deformed, so that the outer sheath can be cracked, the insulating sheath and the copper wires in the outer sheath are exposed, and the DC connecting line is easy to damage.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility of damage to the outer jacket of the DC connection wire by the winding binding, the application provides a DC connection wire.

The application provides a DC connecting wire adopts following technical scheme:

a DC connecting line comprises a connecting line, two butt-joint terminals and a plug, wherein the two butt-joint terminals and the plug are respectively positioned at two ends of the connecting line; two ends of the other connecting line segments are respectively connected with two switching terminals; two adjacent connecting line sections are connected through a connecting assembly, the connecting assembly comprises a receiving piece and an embedded piece, the end part of each connecting line section is connected with the receiving piece, the embedded piece or a plug, the embedded piece is inserted into the receiving piece, and the plug is used for connecting the butt terminal with other connecting ends.

By adopting the technical scheme, the embedded part connected with one connecting line segment is inserted into the receiving part of another connecting line segment, so that the switching terminals of two adjacent connecting line segments are connected, and the two adjacent connecting line segments can be detachably assembled. The longer connecting wire that uses when direct current transmission route is longer probably splits into a plurality of connecting segments and packs the transportation when the transportation, reduces because of long-time coiling bindes the possibility that causes the damage to the oversheath of connecting wire.

Optionally, the receiving member is cylindrical, the adapting terminal of the connecting line segment penetrates through and is located inside the receiving member, and the inner wall of the receiving member is provided with a thread; the embedded part includes metal sleeve and protection seat, protection seat overcoat and fixed connection in the one end of accepting the piece is kept away from of connecting the line segment, metal sleeve fixed connection is in the protection seat, metal sleeve's outer wall is provided with the screw thread that is used for the cooperation to accept the piece, the switching terminal of connecting line segment one end is located metal sleeve.

By adopting the technical scheme, the metal sleeve of one connecting line section is arranged in a penetrating mode and connected to the receiving piece of the other connecting line section in a threaded mode, so that the switching terminal of the connecting line section positioned on the inner side of the metal sleeve is connected with the switching terminal positioned on the inner side of the receiving piece of the other connecting line section, and the two connecting line sections are connected in an assembling mode and can increase the direct-current transmission path. Therefore, the plurality of connecting line sections can be assembled according to the length of a transmission path required by the direct current to form the connecting line with adjustable length.

Optionally, the receiving member is provided with a clamping ring, the protection seat is fixedly connected with a clamping cover used for clamping the clamping ring, and the outer side edge of the clamping cover bends towards the metal sleeve to form a bending portion.

Through adopting above-mentioned technical scheme, metal sleeve threaded connection is in when accepting the piece, and the tight lid of lock joint lid closes in the joint ring, and the kink of lock joint lid closely laminates in the outside border of joint ring for difficult infiltration water or steam between protection seat and the acceptance piece reduces water or steam and enters into metal sleeve and accept the piece inboardly, causes the possibility of negative influence to the direct current transmission of connecting line section.

Optionally, a buffer lantern ring is arranged at the joint of the connecting line segment and the receiving piece, the buffer lantern ring is sleeved outside the connecting line segment, the buffer lantern ring is fixedly connected to the connecting line segment and the receiving piece, and the buffer lantern ring is made of a flexible material.

Through adopting above-mentioned technical scheme, the buffering lantern ring that flexible material made can adapt to the crooked of connecting the line segment to can do certain support to connecting the line segment, make connecting the line segment and receiving the connecting line segment of piece junction difficult for producing too big angle of buckling when crooked, and make connecting the line segment produce the damage.

Optionally, one end of the buffer lantern ring away from the receiving piece is provided with a chamfer.

Through adopting above-mentioned technical scheme, the setting of chamfer is convenient for mould plastics and is accomplished the back and carry out the drawing of patterns to the buffering lantern ring.

Optionally, the plug is rotatably connected to the connecting line segment, the plug is tubular, the inner wall of the plug is provided with threads for connecting the plug to other connecting ends in a threaded manner, the butt-joint terminal is located on the inner side of the plug, and an insulator is arranged between the butt-joint terminal and the inner wall of the plug.

By adopting the technical scheme, the rotary plug is in threaded connection with the corresponding connecting end, and the butt-joint terminal on the inner side of the plug is connected with the butt-joint terminal of the connecting end to transmit and convert direct current. The plug and the connecting end of the threaded connection are not easy to disconnect due to pulling, and the plug can be connected or taken down relative to the connecting end only by rotating the plug, so that the stability of connection of the plug and the connecting end is improved while quick plugging is realized.

Optionally, the plug is rotatably connected to the connecting line segment through a fixing tube, and the fixing tube is sleeved outside and fixedly connected to the connecting line segment; the plug is characterized in that one end of the plug penetrates through the fixed pipe, an opening edge at one end, located in the fixed pipe, of the plug is turned outwards to form a clamping portion, an opening edge of the fixed pipe is turned inwards to form a buckling portion, the clamping portion is located in the buckling portion, the plug is rotatably connected to the fixed pipe, and a rotating plane of the plug, relative to the fixed pipe, is perpendicular to the fixed pipe.

Through adopting above-mentioned technical scheme, joint portion is located buckling part, makes plug rotatable coupling in fixed pipe when the restriction plug breaks away from fixed pipe, changes the rotation dress of the relative connection line section of plug into the rotation of the relative fixed pipe of plug for the rotation of the relative connection line section of plug is comparatively steady relatively.

Optionally, the fixing tube is sleeved with a fixing sleeve, and the fixing sleeve is sleeved on the connecting line segment.

Through adopting above-mentioned technical scheme, fixed cover fastens overcoat in fixed pipe and connection line segment simultaneously for when the fixed pipe of connection line segment relatively is crooked, the outer wall of connection line segment is difficult for with the opening border contact friction of fixed pipe, reduces the connection line segment because of with the contact friction at fixed pipe opening border, the oversheath of connection line segment produces wearing and tearing and causes the possibility that the connection line segment damaged.

Optionally, the outer wall of the plug is fixedly connected with a nut which is convenient for rotating the plug.

By adopting the technical scheme, the polygonal structure of the nut increases the acting point when the plug is rotated, and the plug is convenient to rotate so as to be connected with the connecting end in a threaded manner.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the plurality of connecting line sections are detachably connected, and a longer connecting line used when a direct current transmission path is longer can be disassembled into the plurality of connecting line sections for packaging and transportation during transportation, so that the possibility of damage to the outer sheath of the connecting line caused by long-time winding and binding is reduced;

2. the fastening cover is tightly covered on the fastening ring, so that the possibility that water or water vapor enters the metal sleeve and the inner side of the receiving piece to cause negative influence on direct current transmission of a connecting line section is reduced;

3. the buffer lantern ring made of flexible materials ensures that the connecting line segment at the connecting position of the connecting line segment and the receiving piece is not easy to generate an overlarge bending angle when being bent, so that the connecting line segment is damaged;

4. the plug and the connecting end of the threaded connection are rapidly plugged, and meanwhile, the connection stability of the plug and the connecting end is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic sectional view of line a-a in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B of fig. 2.

Fig. 4 is an enlarged schematic structural view of a portion C in fig. 2.

Reference numerals: 1. a connecting wire; 11. connecting line segments; 111. a transfer terminal; 2. a butt terminal; 3. a plug; 31. a clamping part; 4. a connecting assembly; 41. a receiving member; 411. a snap ring; 42. an insert; 421. a metal sleeve; 422. a protective seat; 423. fastening a cover; 424. a bending section; 5. a buffer collar; 51. chamfering; 52. an annular groove; 6. an insulator; 7. a fixed tube; 71. a buckling part; 72. fixing a sleeve; 8. and a nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a DC connecting line. Referring to fig. 1 and 4, the DC link includes a link line 1, two butt terminals 2 respectively located at both ends of the link line 1, and a plug 3 for connecting the butt terminals 2 with other connection terminals including data connection terminals of digital electronic products such as computers and televisions.

Referring to fig. 2 and 3, the connection line 1 includes a plurality of connection line segments 11, wherein one end of each of the two connection line segments 11 is connected with two corresponding terminals 2, and the other end of each of the two connection line segments 11 connected with the corresponding terminals 2 is connected with two corresponding terminals 111; two ends of the other connecting line segments 11 are also respectively connected with two switching terminals 111, and two adjacent connecting line segments 11 are connected through the connecting assembly 4.

Referring to fig. 2 and 3, the connecting assembly 4 includes a receiving member 41 and an insert member 42, and the insert member 42 is inserted into the receiving member 41. The receiver 41 is cylindrical, a screw is provided on the inner wall of the receiver 41, and the adaptor terminal 111 is inserted into the receiver 41. The insert 42 comprises a metal sleeve 421 and a protective seat 422, the protective seat 422 is sleeved outside and fixedly connected to one end of the connecting line segment 11 far away from the receiving part 41; one end of the metal sleeve 421 is fixedly connected to the protection seat 422, the outer wall of the metal sleeve 421 is provided with a screw thread for matching with the screw thread on the inner wall of the receiving member 41, and the switching terminal 111 is located in the metal sleeve 421.

The metal sleeve 421 of one connection line segment 11 is inserted into and screwed into the receiving member 41 of another connection line segment 11, so that the through terminal 111 of one connection line segment 11 is connected with the through terminal 111 of another connection line segment 11, and the transmission path of the direct current can be increased. Therefore, the plurality of connecting line segments 11 can be assembled according to the length of a transmission path required by direct current to form the connecting line 1 with adjustable length. The longer connecting wire 1 that uses when direct current transmission route is longer probably splits into a plurality of connecting wire sections 11 and packs the transportation when the transportation, reduces because of the possibility that long-time coiling bindes the oversheath of causing the damage to connecting wire 1.

Referring to fig. 3, when the metal sleeve 421 is screwed to the receiving member 41, a certain gap exists between the protective seat 422 and the opening edge of the receiving member 41, and in the presence of water in the surrounding environment, water or water vapor may penetrate into the metal sleeve 421 and the receiving member 41 through the gap between the protective seat 422 and the receiving member 41, which may cause adverse effects such as corrosion of the metal sleeve 421 or copper wires due to direct current transmission to the connecting line segment 11. The outer wall of the receiving member 41 is fixedly connected with a snap ring 411, the outer wall of the protection seat 422 is fixedly connected with a snap cover 423, the outer side edge of the snap cover 423 is bent towards the metal sleeve 421 to be formed by a bent portion 424, and the diameter of the snap cover 423 is matched with the snap ring 411. When the metal sleeve 421 is screwed to the receiving element 41, the fastening cover 423 covers the fastening ring 411, and the bent portion 424 of the fastening cover 423 is attached to the outer edge of the fastening ring 411.

When the metal sleeve 421 is screwed to the receiving element 41, the buckling cover 423 covers the buckling ring 411, and the bending portion 424 of the buckling cover 423 tightly fits the outer edge of the buckling ring 411, so that water or vapor is not easy to seep between the protection seat 422 and the receiving element 41, and the possibility that the water or the vapor enters the metal sleeve 421 and the inner side of the receiving element 41 to cause negative influence on the direct current transmission of the connecting line segment 11 is reduced.

Referring to fig. 2 and 3, the connecting line segment 11 is often bent and wound during use, and the connecting line segment 11 is easily bent at a large bending angle at the joint of the receiving member 41 and the connecting line segment 11, so that the connecting line segment 11 is easily damaged after being bent for a long time or for multiple times. Therefore, a cushion collar 5 is provided at the connection between the connecting line segment 11 and the receiving member 41, and the cushion collar 5 is fixedly connected to the connecting line segment 11 while being sheathed. Buffering lantern ring 5 is made for flexible material, and flexible material is rubber and silica gel etc. and has seted up a plurality of annular groove 52, and a plurality of annular groove 52 extend the setting along the central axis interval of buffering lantern ring 5. And the end of the damping collar 5 remote from the receiving member 41 is provided with a chamfer 51.

The buffer lantern ring 5 made of flexible materials can adapt to the bending of the connecting line segment 11 and can support the connecting line segment 11 to a certain extent, so that the connecting line segment 11 at the joint of the connecting line segment 11 and the receiving piece 41 is not easy to generate an overlarge bending angle when being bent, and the connecting line segment 11 is damaged. The annular groove 52 can buffer the bending of the buffer lantern ring 5, so that the situation that the buffer lantern ring 5 cracks due to long-time or multiple bending is reduced. Since the buffer collar 5 is provided with a plurality of annular grooves 52, the structure thereof is relatively complicated and needs to be manufactured by an injection molding process. The chamfer 51 is provided to facilitate demolding of the cushion collar 5 after injection molding is completed.

Referring to fig. 1 and 4, since the plug 3 is usually connected with other connecting terminals in an elastic contact plugging manner, in the actual use process, the connection between the plug 3 and other connecting terminals is easily disconnected due to factors such as being accidentally torn by people. Therefore, the plug 3 is rotatably connected to one end of the connecting line segment 11 through the fixing tube 7, the fixing tube 7 is made of rigid material, and the fixing tube 7 is sleeved and fixedly connected to the connecting line segment 11.

Referring to fig. 4, one end of the plug 3 is sleeved outside the fixed tube 7, the inner wall of the plug 3 is fixedly connected with a clamping portion 31 which is turned over towards the inner wall of the plug 3, the opening edge of the fixed tube 7 is turned inwards to form a buckling portion 71, the clamping portion 31 is located in the buckling portion 71 to limit the plug 3 to be separated from the fixed tube 7, meanwhile, the plug 3 is rotatably connected to the fixed tube 7, and the rotation plane of the plug 3 relative to the fixed tube 7 is perpendicular to the fixed tube 7. The fixing sleeve 72 is made of flexible materials such as rubber or silica gel, and the fixing sleeve 72 is sleeved on the fixing tube 7 and the connecting line segment 11.

Referring to fig. 4, the plug 3 is in a circular tube shape, threads for connecting the plug 3 to other connection ends are disposed on the inner wall of the plug 3, the butt terminal 2 connected to the connection line segment 11 is located at the central axis position of the plug 3, an insulator 6 is disposed between the butt terminal 2 and the inner wall of the plug 3, the insulator 6 is made of an insulating material such as marble, ceramic or glass, in the embodiment of the present application, the insulator 6 is made of ceramic, the insulator 6 is in a cylindrical shape, the butt terminal 2 penetrates through the insulator 6, and the insulator 6 is fixedly connected to the butt terminal 2.

The fixing sleeve 72 simultaneously fastens the outer sleeve on the fixing pipe 7 and the connecting line segment 11, so that when the connecting line segment 11 is bent relative to the fixing pipe 7, the outer wall of the connecting line segment 11 is not easy to contact and rub with the opening edge of the fixing pipe 7, and the possibility that the outer sheath of the connecting line segment 11 is abraded to cause damage to the connecting line segment 11 due to the contact and rubbing of the connecting line segment 11 with the opening edge of the fixing pipe 7 is reduced.

The clamping portion 31 is located in the buckling portion 71, the plug 3 is prevented from being separated from the fixed pipe 7, meanwhile, the plug 3 can be rotatably connected to the fixed pipe 7, the plug 3 is rotated relative to the connecting line segment 11 to be changed into the rotation of the plug 3 relative to the fixed pipe 7, and the rotation of the plug 3 relative to the connecting line segment is relatively stable. The rotary plug 3 is in threaded connection with the corresponding connecting end, and the butt-joint terminal 2 on the inner side of the plug 3 is connected with other connecting ends to transmit and convert direct current. Threaded connection's plug 3 is difficult for taking place to be disconnected because of tearing to move with the link, and only need rotate plug 3 and just can connect or take off the relative link of plug 3, and the grafting of the relative elastic contact of the operation degree of difficulty does not obviously increase, therefore threaded connection's plug 3 and link are realizing pegging graft fast simultaneously, increase the steadiness that plug 3 and link are connected.

Referring to fig. 1 and 4, since the plug 3 has a circular tube shape, there is less effort in rotating the plug 3, and it is inconvenient to rotate the plug 3 to screw-couple it with the connection terminal. Therefore, the nut 8 is fixedly connected to the outer wall of the plug 3, and the polygonal structure of the nut 8 increases the force application point when the plug 3 is rotated, so that the plug 3 can be rotated conveniently.

The implementation principle of the embodiment of the application is as follows: the connecting line segments 11 are assembled according to the length of the transmission path required by the direct current. The metal sleeve 421 of one connection line segment 11 is inserted and screwed into the receiving member 41 of the other connection line segment 11, and the relay terminals 111 of the two connection line segments 11 are connected to increase the direct current transmission path. Meanwhile, the buckling cover 423 of the protective seat 422 tightly covers the buckling ring 411 of the receiving member 41, so that the possibility that water or water vapor enters the metal sleeve 421 and the inner side of the receiving member 41 to negatively affect the direct current transmission of the connecting line segment 11 is reduced. The cushion collar 5 reduces the possibility that the connecting line segment 11 at the connecting point of the connecting line segment 11 and the receiving member 41 will be bent at an excessively large bending angle, so that the connecting line segment 11 will be damaged.

When the butt joint terminal 2 of the connecting line segment 11 is required to be connected with other connecting ends, the plug 3 and the corresponding connecting end are connected through the rotating of the accessible, so that the plug 3 is rapidly inserted into the connecting ends, and the stability of connection between the plug 3 and the connecting ends is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a DC connecting wire, includes connecting wire (1), two butt joint terminal (2) and plug (3) that are located connecting wire (1) both ends respectively, its characterized in that: the butt-joint terminals (2) are positioned in the plug (3), the connecting line (1) comprises a plurality of connecting line sections (11), one end of each of the two connecting line sections (11) is correspondingly connected with two butt-joint terminals (2), and the other end of each of the two connecting line sections (11) is correspondingly connected with a switching terminal (111); two ends of the other connecting line sections (11) are respectively connected with two switching terminals (111); two adjacent connecting line segments (11) are connected through connecting assembly (4), connecting assembly (4) are including accepting piece (41) and embedder (42), the tip and accepting piece (41), embedder (42) or plug (3) of connecting line segment (11) are connected, embedder (42) are pegged graft in accepting piece (41), plug (3) are used for being connected butt joint terminal (2) and link.

2. A DC link according to claim 1, wherein: the receiving piece (41) is cylindrical, the switching terminal (111) of the connecting line segment (11) penetrates through the receiving piece (41) and is positioned on the inner side of the receiving piece (41), and the inner wall of the receiving piece (41) is provided with threads; insert (42) include metal sleeve (421) and protection seat (422), protection seat (422) overcoat and fixed connection in connect line segment (11) and keep away from the one end of accepting piece (41), metal sleeve (421) fixed connection in protection seat (422), the outer wall of metal sleeve (421) is provided with the screw thread that is used for the cooperation to accept piece (41), switching terminal (111) of connecting line segment (11) one end is located metal sleeve (421).

3. A DC link according to claim 2, wherein: accept piece (41) and be provided with joint ring (411), protection seat (422) fixedly connected with is used for the joint cover (423) of joint ring (411) of card setting, the outside border of joint cover (423) is towards metal sleeve (421) bending type and is formed kink (424).

4. A DC link line according to claim 2, wherein: the connection line section (11) is provided with the buffering lantern ring (5) with the junction of accepting piece (41), the outer cover of buffering lantern ring (5) in connection line section (11), buffering lantern ring (5) fixed connection is in connection line section (11) and accepting piece (41), buffering lantern ring (5) are made for flexible material.

5. A DC link according to claim 4, characterized in that: and a chamfer (51) is arranged at one end of the buffer lantern ring (5) far away from the receiving piece (41).

6. A DC link according to claim 1, wherein: plug (3) rotate to be connected in connecting line section (11), plug (3) are the tubulose, the inner wall of plug (3) is provided with and is used for plug (3) threaded connection in the screw thread of link, butt joint terminal (2) are located plug (3) inboard, be provided with insulator (6) between butt joint terminal (2) and plug (3) inner wall.

7. A DC link according to claim 6, characterized in that: the plug (3) is rotatably connected to the connecting line segment (11) through a fixed pipe (7), and the fixed pipe (7) is sleeved outside and fixedly connected to the connecting line segment (11); fixed pipe (7) are worn to locate by the one end of plug (3), the inner wall fixedly connected with of plug (3) turns over joint portion (31) of rolling over towards plug (3) inner wall, the opening border of fixed pipe (7) is turned over to the enstrophe and is formed buckling part (71), joint portion (31) are located buckling part (71), plug (3) rotate to be connected in fixed pipe (7), the rotation plane perpendicular to fixed pipe (7) of plug (3) relatively fixed pipe (7).

8. A DC link according to claim 7, wherein: the fixed pipe (7) is externally sleeved with a fixed sleeve (72), and the fixed sleeve (72) is simultaneously externally sleeved on the connecting line segment (11).

9. A DC link according to claim 6, characterized in that: the outer wall of the plug (3) is fixedly connected with a nut (8) which is convenient for rotating the plug (3).