CN221126302U - Bridge type wire connector - Google Patents

Abstract

The application relates to a bridge-type wire connector, which is used in a wire holder in a railway track, the wire holder is provided with a terminal, the terminal comprises a conductive pressing piece and a conductive screw, and the bridge-type wire connector comprises: fixation nut, spliced pole, conducting strip, insulating sleeve, spring, fixation nut assembly is on the conducting screw, and the spliced pole includes insulating direction head, conducting rod and metal shrapnel, and the lower extreme of conducting rod is located to insulating direction head, and metal shrapnel overlaps in the lower extreme of conducting rod, and the conducting strip is used for linking to each other two spliced poles, and insulating sleeve overlaps in the lower extreme of conducting rod, spring coupling conducting rod and insulating sleeve. According to the bridge type connector provided by the application, the fixing nuts are manually assembled on the conductive screws, then the connecting columns are inserted into different fixing nuts, and the connecting columns are connected through the conductive sheets, so that different terminals are conducted, and the problems of low efficiency and exposed wires caused by the fact that the wires are fixed on the terminals through the nuts in the prior art are solved.

Description

Bridge type wire connector

Technical Field

The application relates to the field of railway track wiring, in particular to a bridge type wiring connector.

Background

In the construction process of railway tracks, complex circuit networks often need to be built, in various circuit networks, wire holders are indispensable, each wire holder is provided with a plurality of wire terminals, and when different wire terminals are communicated, different circuit effects can be formed.

The traditional wiring mode is to fix the wires on different terminals through nuts to realize conduction between the terminals, but the wiring mode is low in efficiency, and the wires are exposed outside to cause unsafe problems.

Disclosure of utility model

The application provides a bridge type connector, which solves the problems of low efficiency and potential safety hazard caused by the traditional connection mode.

In order to solve the problems, the application adopts a technical scheme that: there is provided a bridge type wire connector for use in a wire holder in a railway track, the wire holder comprising a base and terminals, the base having a plurality of the terminals thereon, the terminals including conductive pads and conductive screws, the conductive pads securing various wires to the conductive screws, a conductive circuit being formed between the terminals when the bridge type wire connector connects the conductive screws on different ones of the terminals, the bridge type wire connector comprising a fixing nut, a connecting post, a conductive tab, an insulating sleeve, a spring,

The fixing nut is provided with an assembly through hole, the fixing nut is assembled on the conductive screw, and the fixing nut is made of a conductive material;

The connecting column comprises an insulating guide head, a conducting rod and a metal elastic sheet, the bridge-type connector comprises two identical connecting columns, the insulating guide head is arranged at the lower end of the conducting rod so that the connecting column can be smoothly inserted into the assembly through hole, and the metal elastic sheet is sleeved at the lower end of the conducting rod so that the connecting column and the fixing nut are fully and electrically connected;

the conducting strip is used for connecting the two connecting posts to form a bridge type conducting structure;

The insulating sleeve is sleeved at the lower end of the conducting rod so as to prevent the conducting part of the connecting column from being exposed;

a spring connects the conductive rod with the insulating sleeve to facilitate movement of the insulating sleeve along the conductive rod.

The plurality of bridge connectors may be connected to each other so as to communicate a plurality of the terminals.

In a specific embodiment of the present application, the conducting rod is provided with a limiting ring, and the upper end of the spring abuts against the limiting ring to fix the position of the spring.

In a specific embodiment of the present application, first through holes are formed at two ends of the conductive sheet, and the connection posts penetrate through the first through holes.

In a specific embodiment of the present application, two of the connection posts in the bridge-type connector are arranged in parallel and spaced apart.

In a specific embodiment of the present application, the bridge connector further includes an insulating housing, the insulating housing is provided with a second through hole, and the upper end of the connection post is inserted into the second through hole in the insulating housing, so as to prevent the conductive portion of the connection post from being exposed.

In a specific embodiment of the present application, an outer wall of the insulating housing is provided with a non-slip strip.

In a specific embodiment of the present application, a first limiting portion is disposed at an upper end of the insulating sleeve, a lower end of the spring abuts against the first limiting portion, and the spring is connected with the insulating sleeve through the first limiting portion.

In one embodiment of the present application, the upper end of the insulating sleeve is inserted into the second through hole to prevent the conductive portion of the connecting rod from being exposed.

In a specific embodiment of the present application, the diameter of the second through hole is larger than the diameter of the insulating sleeve, so that the insulating sleeve slides in the second through hole.

In a specific embodiment of the present application, a diameter of the second through hole is smaller than a diameter of the first limiting portion, so as to prevent the insulating sleeve from sliding out of the second through hole.

The beneficial effects of the application are as follows: in bridge type connector, manual assembly fixation nut is on electrically conductive screw, inserts different fixation nuts with two spliced poles again, links to each other the spliced pole through the conducting strip for switch on between the different terminals, solved the tradition with the wire fix the inefficiency and the naked problem of electric wire brought on the terminal through the nut.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

Fig. 1 is a schematic perspective view of a bridge-type connector according to an embodiment of the present application;

FIG. 2 is a schematic perspective view of a wire holder;

FIG. 3 is an exploded view of the bridge connector shown in FIG. 1;

FIG. 4 is an exploded view of the connecting rod and associated parts of the bridge connector shown in FIG. 1;

FIG. 5 is a cross-sectional view of the retaining nut;

FIG. 6 is an exploded view of the connecting rod in the bridge connector shown in FIG. 1

Fig. 7 is a schematic perspective view of an insulating housing in the bridge type connector shown in fig. 1.

Reference numerals illustrate: 10. a bridge-type wire connector; 20. a wire holder; 21. a base; 22. a terminal; 23. conducting tabletting; 24. a conductive screw; 100. a fixing nut; 110. assembling the through hole; 111. a smooth portion; 112. a threaded portion; 120. an insulating cylinder; 121. hexagonal through holes; 122. tightening the nut; 200. a connecting column; 210. an insulating guide head; 211. a fixed shaft; 212. a nose; 220. a conductive rod; 221. a first cylindrical portion; 222. a second cylindrical portion; 223. a fitting hole; 224. a mating hole; 230. a metal spring plate; 231. arc-shaped metal strips; 232. a mounting ring; 240. a limiting ring; 300. a conductive sheet; 310. a first through hole; 311. convex teeth; 400. an insulating sleeve; 410. a first limit part; 420. a cavity is communicated; 500. a spring; 600. a protective shell; 610. a wire inlet; 620. a third through hole; 700. an insulating housing; 710. a housing; 711. a surrounding wall; 712. a bottom plate; 713. a clamping groove; 714. a second through hole; 720. a blanking cover; 721. a buckle; 722. a connection hole; 730. and a support plate.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are intended to be within the scope of the present application.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present application, the directional indications are merely used to explain the relative positional relationship, movement, etc. between the components in a specific gesture (as shown in the drawings), and if the specific gesture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.

As shown in fig. 1 to 7, the embodiment of the present application discloses a bridge-type connector 10, the bridge-type connector 10 is used in a wire holder 20 in a railway track, the wire holder 20 comprises a base 21 and a terminal 22, the base 21 is provided with a plurality of terminals 22, the terminal 22 comprises a conductive pressing piece 23 and a conductive screw 24, the conductive pressing piece 23 fixes various wires on the conductive screw 24, when the bridge-type connector 10 connects the conductive screws 24 on different terminals 22, a conductive circuit is formed between the terminals 22, and the bridge-type connector 10 comprises a fixing nut 100, a connecting post 200, a conductive sheet 300, an insulating sleeve 400 and a spring 500.

The fixing nut 100 is provided with an assembly through hole 110 at a central position thereof, the fixing nut 100 is assembled on the conductive screw 24, the fixing nut 100 is made of conductive materials, the connection post 200 comprises an insulation guide head 210, a conductive rod 220 and a metal spring sheet 230, the bridge-type connector 10 comprises two identical connection posts 200, the insulation guide head 210 is arranged at the lower end of the conductive rod 220 so that the connection post 200 can be smoothly inserted into the assembly through hole 110, the metal spring sheet 230 is sleeved at the lower end of the conductive rod 220 so that the connection post 200 and the fixing nut 100 are fully electrically connected, the conductive sheet 300 is used for connecting the two connection posts 200 to form a bridge-type conductive structure, the insulation sleeve 400 is sleeved at the lower end of the conductive rod 220 so as to prevent the conductive part of the connection post 200 from being exposed, and the spring 500 is connected with the conductive rod 220 and the insulation sleeve 400 so that the insulation sleeve 400 moves along the conductive rod 220.

The fixing nut 100 is hexahedron-shaped, an assembly through hole 110 is formed in the center of the fixing nut 100, the assembly through hole 110 is circular, the assembly through hole 110 comprises a smooth portion 111 and a threaded portion 112, the diameter of the threaded portion 112 is larger than that of the smooth portion 111, the diameter of the threaded portion 112 is matched with that of the conductive screw 24, threads are formed on the surface of the conductive screw 24, the fixing nut 100 is assembled through the threads on the surfaces of the threaded portion 112 and the conductive screw 24, and the fixing nut 100 is made of a material with good conductivity, so that current can be conducted between the conductive screw 24 and the fixing nut 100.

The insulating cylinder 120 is sleeved on the fixing nut 100, the insulating cylinder 120 is used for protecting the fixing nut 100 from being exposed outside when the fixing nut 100 is electrified, the length of the insulating cylinder 120 is equal to that of the fixing nut 100, the insulating cylinder 120 is cylindrical, a hexagonal through hole 121 matched with the shape of the fixing nut 100 is formed in the center of the insulating cylinder 120, the fixing nut 100 penetrates through the insulating cylinder 120 through the hexagonal through hole 121 and is fixedly assembled with the insulating cylinder 120, the fixing nut 100 and the hexagonal through hole 121 have the function of preventing relative rotation between the insulating cylinder 120 and the fixing nut 100, the insulating cylinder 120 is further provided with a tightening nut 122, the tightening nut 122 is sleeved on the outer wall of the insulating cylinder 120, the tightening nut 122 is a hexagonal nut, the tightening nut 122 can be replaced by nuts with other shapes and is convenient to manually rotate, and the tightening nut 122 and the insulating cylinder 120 are fixedly assembled so that a user can manually tighten the fixing nut 100 on the conductive screw 24.

The bridge type connector 10 further includes a protective case 600, the protective case 600 having insulation, the protective case 600 being a regular insulation container, the protective case 600 partially wrapping the terminal 22 of the wire holder 20 to prevent the conductive portion of the terminal 22 from being exposed outside, a wire inlet 610 being provided at one side of the protective case 600, an external wire being introduced into the protective case 600 through the wire inlet 610 and being connected with the terminal 22 provided inside the protective case 600, a third through hole 620 being provided at the top of the protective case, and an upper end of the conductive screw 24 penetrating through the third through hole 620 to facilitate connection of the fixing nut 100 with the conductive screw 24.

Each bridge connector 10 includes two connecting posts 200, the two connecting posts 200 are arranged in parallel at intervals, and the connecting posts 200 include an insulating guide head 210, a conductive rod 220 and a metal spring plate 230.

The conductive rod 220 is cylindrical, the conductive rod 220 is made of a metal material with good conductivity, the conductive rod 220 comprises a first cylindrical portion 221 and a second cylindrical portion 222, the first cylindrical portion 221 and the second cylindrical portion 222 are integrally formed and concentrically arranged, the diameter of the first cylindrical portion 221 is larger than that of the second cylindrical portion 222, the first cylindrical portion is arranged at one end, far away from the fixing nut 100, of the conductive rod 220, and the second cylindrical portion 222 is arranged at one end, close to the fixing nut 100, of the conductive rod 220.

The insulation guide head 210 is irregularly shaped, the insulation guide head 210 is fixedly assembled at the lower end of the conductive rod 220, the insulation guide head 210 comprises a fixing shaft 211 and a raised head 212, the fixing shaft 211 and the raised head 212 are integrally formed, the fixing shaft 211 is cylindrical, an assembly hole 223 is formed in one end, close to the fixing nut 100, of the conductive rod 220, the assembly hole 223 is circular, the diameter of the fixing shaft 211 is matched with the diameter of the assembly hole 223, the fixing shaft 211 of the insulation guide head 210 is fixedly assembled in the assembly hole 223, the relative positions of the insulation guide head 210 and the conductive rod 220 are determined through the cooperation of the fixing shaft 211 and the assembly hole 223, the raised head 212 is in an inverted conical shape with the upper part being wide and the lower part being narrow, and the raised head 212 is used for guiding the conductive rod 220 to be inserted into the assembly hole 223 of the fixing nut 100.

The metal spring plate 230 comprises an arc-shaped metal strip 231 and two assembly rings 232, the two assembly rings 232 are annular, the inner diameter of each assembly ring 232 is matched with the diameter of the second cylindrical part 222 in the conductive rod 220, the two assembly rings 232 are sleeved on the second cylindrical part 222 of the conductive rod 220 at intervals, and the assembly rings 232 and the conductive rod 220 are fixedly assembled.

The two assembly rings 232 are connected through the arc-shaped metal strips 231, the arc-shaped metal strips 231 and the conductive rods 220 are arranged in the same direction, both ends of the arc-shaped metal strips 231 are fixedly assembled with the assembly rings 232, the arc-shaped metal strips 231 are enclosed on the periphery of the conductive rods 220, the arc-shaped metal strips 231 are enclosed to form a rugby shape, the diameter of the middle of the metal elastic sheet 230 is larger than that of the first cylindrical portion 221, so that the metal elastic sheet 230 is tightly contacted with the inner wall of the assembly through hole 110 of the fixing nut 100, and the electric connection between the connecting column 200 and the fixing nut 100 is realized.

The end of the conductive rod 220, which is far away from the insulating guide head 210, is provided with a limiting ring 240, the limiting ring 240 is in a circular ring shape, a first cylindrical part 221 in the conductive rod 220 penetrates through the center of the limiting ring 240 and the limiting ring 240 is fixedly assembled with the conductive rod 220, or the limiting ring 240 and the conductive rod 220 are integrally formed.

The spring 500 is sleeved on the conductive rod 220, one end of the spring 500 is abutted against one surface of the limiting ring 240, which is close to the insulation guide head 210, and the other end of the spring 500 is abutted against the insulation sleeve 400, so that the position of the spring 500 is fixed.

The conducting strip 300 is made of good conducting material, the conducting strip 300 is irregularly shaped, two first through holes 310 are formed in two ends of the conducting strip 300, the two first through holes 310 are symmetrically distributed at two ends of the conducting strip 300, the first cylindrical parts 221 of the conducting rod 220 pair penetrate through the conducting strip 300 through the first through holes 310 and are electrically connected with the conducting strip 300, the first through holes 310 are circular, the diameter of the first through holes 310 is slightly larger than that of the first cylindrical parts 221, a circle of trapezoidal convex teeth 311 are further arranged in the first through holes 310, a plurality of convex teeth 311 are uniformly distributed on the inner wall of the first through holes 310 at equal intervals and each convex tooth 311 points to the center of the first through holes 310, the convex teeth 311 and the conducting strip 300 are integrally formed, the convex teeth 311 are used for enhancing the electrical connection between the conducting strip 220 and the conducting strip 300 and can prevent the conducting strip 300 from sliding along the conducting rod 220, and the lower surface of the conducting strip 300 abuts against the upper surface of the limiting ring 240, so that the position of the conducting strip 300 is limited.

The bridge connector 10 further comprises an insulating housing 700, the insulating housing 700 is used for preventing the conductive portion of the connection post 200 from being exposed, the insulating housing 700 comprises a shell 710 and a blocking cover 720, the shell 710 is a container formed by encircling a surrounding wall 711 and a bottom plate 712, an opening is formed in one end of the shell 710, the shape of the opening is matched with that of the blocking cover 720, two symmetrical clamping grooves 713 are formed in the surrounding wall 711 at positions close to the opening, buckles 721 corresponding to the clamping grooves 713 are formed in two sides of the blocking cover 720, the clamping grooves 713 are matched with the buckles 721 to enable the blocking cover 720 to be fixedly assembled with the shell 710, and the blocking cover 720 is arranged at the opening of the shell 710 so as to conveniently block the opening of the shell 710.

The connecting holes 722 are formed in the positions, corresponding to the connecting columns 200, of the two ends of the plug 720, the connecting holes 722 are circular, the upper ends of the first cylindrical parts 221 of the connecting columns 200 are provided with the matching holes 224, the upper ends of the first cylindrical parts 221 are propped against the lower surface of the plug 720, the matching holes 224 and the connecting holes 722 are concentrically arranged, and the connecting columns 722 in the bridge-type connectors 10 can be connected through the connecting holes 722 and the matching holes 224 so as to realize the communication of the terminals 22.

Two second through holes 714 are formed in the bottom plate 712 of the housing 710, the second through holes 714 are circular, the diameter of the second through holes 714 is matched with the diameter of the first cylindrical portion 221 of the connection post 200, and the distance between the two second through holes 714 is the same as the distance between the two first through holes 310 of the conductive sheet 300, so as to maintain the vertical state of the connection post 200. The inside backup pad 730 that still is equipped with of casing 710, backup pad 730 are the rectangle, and backup pad 730 has two and two backup pads 730 parallel interval setting, backup pad 730 perpendicular to bottom plate 712 be close to the one side of blanking cover 720 and backup pad 730 and bottom plate 712 fixed assembly, backup pad 730 upper end and conducting strip 300 lower extreme are contradicted to be convenient for inject conducting strip 300 and with conducting strip 300 fixed assembly's spliced pole 200's position. Symmetrical anti-slip strips are provided on both sides of the outer surface of the housing 710, and the anti-slip strips on each side are arranged in parallel and spaced apart to facilitate the user's handling of the bridge connector 10.

The insulating sleeve 400 is substantially cylindrical, a first limiting portion 410 is provided at one end of the insulating sleeve 400 near the insulating housing 700, the first limiting portion 410 is annular, the first limiting portion 410 is sleeved on the insulating sleeve 400 and integrally formed with the insulating sleeve 400,

The center position of the insulating sleeve 400 is provided with a through cavity 420 penetrating the insulating sleeve 400, the through cavity 420 is circular, the inner diameter of the through cavity 420 is slightly larger than the diameter of the first cylindrical part 221, the insulating sleeve 400 is sleeved at one end, close to the fixing nut 100, of the connecting column 200 through the through cavity 420, the insulating sleeve 400 can move along the connecting column 200, and the insulating sleeve 400 is used for protecting the connecting column 200.

When the insulating sleeve 400 of the bridge-type connector 10 is inserted into the assembly through hole 110 of the fixing nut 100, friction is generated between the insulating sleeve 400 and the inner wall of the assembly through hole 110 so that the insulating sleeve 400 compresses the spring 500, and the insertion is continued until the metal elastic sheet 230 in the through cavity 420 of the insulating sleeve 400 is exposed and is in close contact with the fixing nut 100.

One end of the insulating sleeve 400 with the first limiting portion 410 penetrates through the second through hole 714, and the diameter of the first limiting portion 410 is larger than that of the second through hole 714, so that the insulating sleeve 400 is prevented from being pushed out of the insulating housing 700 through the second through hole 714 by the spring 500.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. A bridge connector (10) characterized by: the bridge type wire connector (10) is used in a wire holder (20) in a railway track, the wire holder (20) comprises a base (21) and terminals (22), a plurality of the terminals (22) are arranged on the base (21), the terminals (22) comprise conductive pressing sheets (23) and conductive screws (24), the conductive pressing sheets (23) fix wires on the conductive screws (24), and when the bridge type wire connector (10) connects the conductive screws (24) on different terminals (22), a conducting circuit is formed between the terminals (22), the bridge type wire connector (10) comprises:

-a fixation nut (100) provided with an assembly through hole (110), said fixation nut (100) being assembled on said conductive screw (24), said fixation nut (100) being made of a conductive material;

The bridge-type connector (10) comprises two identical connecting posts (200), wherein the insulating guide heads (210) are arranged at the lower ends of the conducting rods (220) so that the connecting posts (200) can be smoothly inserted into the assembly through holes (110), and the metal elastic sheets (230) are sleeved at the lower ends of the conducting rods (220) so that the connecting posts (200) are fully and electrically connected with the fixing nuts (100);

A conductive sheet (300) for connecting two of the connection posts (200) to form a bridge-type conductive structure;

An insulation sleeve (400) sleeved at the lower end of the conductive rod (220) to prevent the conductive part of the connection column (200) from being exposed;

-a spring (500) connecting the conductive rod (220) with the insulating sleeve (400) for facilitating movement of the insulating sleeve (400) along the conductive rod (220);

A plurality of the bridge connectors (10) are connected to each other so as to communicate a plurality of the terminals (22).

2. The bridge connector (10) of claim 1, wherein: the conducting rod (220) is provided with a limiting ring (240), and the upper end of the spring (500) is propped against the limiting ring (240) to fix the position of the spring (500).

3. The bridge connector (10) of claim 2, wherein: the two ends of the conducting strip (300) are provided with first through holes (310), and the connecting column (200) penetrates through the first through holes (310).

4. The bridge connector (10) of claim 1, wherein: two of the connection posts (200) in the bridge connector (10) are arranged in parallel at intervals.

5. A bridge connector (10) according to claim 3, characterized in that: the bridge connector (10) further comprises an insulating housing (700), the insulating housing (700) is provided with a second through hole (714), and the upper end of the connecting column (200) is inserted into the second through hole (714) in the insulating housing (700) so as to prevent the conductive part of the connecting column (200) from being exposed.

6. The bridge connector (10) of claim 5, wherein: an anti-slip strip is arranged on the outer wall of the insulating shell (700).

7. The bridge connector (10) of claim 6, wherein: the upper end of the insulating sleeve (400) is provided with a first limiting part (410), the lower end of the spring (500) is propped against the first limiting part (410), and the spring (500) is connected with the insulating sleeve (400) through the first limiting part (410).

8. The bridge connector (10) of claim 7, wherein: the upper end of the insulating sleeve (400) is inserted into the second through hole (714) to prevent the conductive portion of the connection post (200) from being exposed.

9. The bridge connector (10) of claim 8, wherein: the second through hole (714) has a diameter greater than the diameter of the insulating sleeve (400) to facilitate sliding of the insulating sleeve (400) within the second through hole (714).

10. The bridge connector (10) of claim 9, wherein: the second through hole (714) has a diameter smaller than that of the first limiting portion (410) to prevent the insulating sleeve (400) from sliding out of the second through hole (714).