CN216624654U

CN216624654U - Multi-joint terminal

Info

Publication number: CN216624654U
Application number: CN202123202077.1U
Authority: CN
Inventors: 费二男
Original assignee: Suzhou Industrial Park Feiyi Energy Saving Technology Co ltd
Current assignee: Suzhou Industrial Park Feiyi Energy Saving Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-27
Anticipated expiration: 2031-12-17

Abstract

The utility model relates to the field of wiring terminals, in particular to a multi-joint terminal which comprises a first plate, a second plate and terminals, wherein a through hole is formed in the middle of the first plate and the second plate, the first plate and the second plate are coaxially and fixedly connected together, a plurality of arc-shaped grooves are formed in the edge position of the first plate, the arc-shaped grooves penetrate through the second plate, and a plurality of terminals are arranged in a gap between the first plate and the second plate; the terminal comprises a connecting pin, a connecting rod and a connecting cylinder; the middle position of the outer ring of the connecting pin is fixedly connected with one end of a connecting rod, the other end of the connecting rod is fixedly connected with the closed end of a connecting cylinder, the thickness of the connecting rod is smaller than the indirect between the first plate and the second plate, and two ends of the connecting pin are embedded into arc-shaped grooves in the first plate and the second plate; this multi-joint terminal connects the terminal in a board and No. two boards according to wire connection radical, realizes the electric connection of many wires and wiring foot, and this multi-joint terminal simple structure makes things convenient for electrician's personnel to its operation simultaneously.

Description

Multi-joint terminal

Technical Field

The utility model relates to the field of wiring terminals, in particular to a multi-joint terminal.

Background

The wiring terminal is used for fixedly connecting the lead to the electrical equipment, so that the convenient electrical connection of the lead is realized, meanwhile, the lead is convenient to remove at the later stage, and the lead is effectively fixed on the electrical equipment for a long time; when the connecting pins of the existing connecting terminals are limited by structures, only one wire can be connected to the connecting pins, and if the plurality of wires are arranged on the connecting pins in a grading manner through the plurality of connecting terminals, the connecting position space of the connecting pins is limited, and the plurality of connecting terminals cannot be effectively connected; therefore, the utility model aims to solve the problems and designs the multi-joint terminal which can connect a plurality of wires at one time.

SUMMERY OF THE UTILITY MODEL

To remedy the deficiencies of the prior art, the present invention proposes a multi-terminal.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model relates to a multi-joint terminal which comprises a first plate, a second plate and terminals, wherein a through hole is formed in the middle of the first plate and the second plate, the first plate and the second plate are coaxially and fixedly connected together, a plurality of arc-shaped grooves are formed in the edge of the first plate, the arc-shaped grooves penetrate through the second plate, and a plurality of terminals are arranged in a gap between the first plate and the second plate; the terminal comprises a connecting pin, a connecting rod and a connecting cylinder; the middle position of the outer ring of the connecting pin is fixedly connected with one end of a connecting rod, the other end of the connecting rod is fixedly connected with the closed end of a connecting cylinder, the thickness of the connecting rod is smaller than the indirect between the first plate and the second plate, and two ends of the connecting pin are embedded into arc-shaped grooves in the first plate and the second plate; the method comprises the following steps that firstly, the end part of a wire is inserted into a connecting cylinder, then the wire is fixed through hydraulic pliers and is connected into the connecting cylinder through wires, then a connecting pin is arranged in a horizontal state and pushed into a gap between a first plate and a second plate, when the connecting pin is arranged in an arc-shaped groove, a terminal is rotated, so that two ends of the connecting pin are embedded into the arc-shaped groove, the terminal is connected with the first plate and the second plate, then an upper wiring pin of electrical equipment is inserted into through holes of the first plate and the second plate, and the upper wiring pin of the electrical equipment is fixed through a nut; this multi-joint terminal connects the terminal in a board and No. two boards according to wire connection radical, realizes the electric connection of many wires and wiring foot, and this multi-joint terminal simple structure makes things convenient for electrician's personnel to its operation simultaneously.

Preferably, the end face of the connecting pin is provided with a through threaded hole, a screw is connected with the threaded hole in a threaded manner, and a plurality of strip-shaped clamping grooves are formed in two ends of the threaded hole; the screw is rotatory to twist threaded hole in, because the intermediate position diameter of screw hole is greater than the diameter at screw hole both ends, and the draw-in groove of a plurality of bar forms is seted up at the both ends of screw hole, consequently twist threaded hole when the screw is rotatory, the both ends of screw hole are fried to open to the extrusion is on the inside wall of arc wall, further fixed going forward between connecting pin and the arc wall, thereby improve the fastness between terminal and a board and the second number board and improve the electric connectivity.

Preferably, a plurality of grooves are formed in each arc-shaped groove, strip-shaped bulges are arranged on the inner side walls of the grooves, and the bulges are embedded in the clamping grooves; the both ends of screw hole are strutted, and the arch embedding is in the draw-in groove for the rotation of connecting pin receives the restriction, further fixes between terminal and the arc wall.

Preferably, a fastening mechanism is arranged between the threaded hole and the connecting cylinder; the fastening mechanism comprises a push rod and a cone; the other end of the push rod penetrates through a sliding groove formed in the connecting rod and penetrates into the connecting cylinder, the other end of the push rod is fixedly connected with a cone, and the tip end of the cone points to the opening end of the connecting cylinder; the screw is rotatory to be twisted in the screwed hole, on the tip extrusion push rod of screw to extrude the push rod to the connecting cylinder direction, the push rod will promote the cone, and in the tip of cone inserted the copper silk bundle of wire tip, strut the copper silk bundle extrusion, fastness and stability between increase wire and the connecting cylinder.

Preferably, a cover plate is arranged on the upper plate surface of the first plate, a through hole is formed in the middle of the cover plate, a bolt is arranged in the through hole and penetrates through the through holes of the first plate, the second plate and the cover plate, and a threaded connection nut is arranged at the end part of the bolt; this bolt is wiring foot on the electrical equipment, and this nut is nut on the wiring foot, and upper nut, nut extrusion apron, apron extrude many screws together, extrude fixedly to a plurality of screws, place the screw and appear becoming flexible and break away from the screw hole.

Preferably, the lower plate surface of the cover plate is provided with an extrusion strip, the extrusion strip is annular, and the diameter of the extrusion strip is the same as that of the arc-shaped groove; the extrusion strip is arranged, the extrusion force of the cover plate to the screw is concentrated on the extrusion strip, so that the extrusion strip is concentrated on the screw, and the stability between the screw and the threaded hole is improved.

Preferably, the diameter of the middle position of the threaded hole is larger than the diameters of the two ends of the threaded hole; the middle part of the connecting pin is prevented from being extruded and bulged to deform, so that cracks are generated between the connecting pin and the connecting rod, and the terminal is prevented from being damaged.

Preferably, a plurality of extrusion blocks are arranged in the connecting cylinder, the extrusion blocks are arranged in the connecting cylinder in an annular array, and the end face of each extrusion block is provided with an inclined plane; through setting up the extrusion piece, increase the fastness between wire tip and the connecting cylinder.

The utility model has the advantages that:

1. the multi-joint terminal is connected into the first plate and the second plate according to the number of the wires, so that the electrical connection between the wires and the wiring pins is realized, and meanwhile, the multi-joint terminal is simple in structure and convenient for electricians to operate;

2. the screw is rotatory to twist threaded hole in, because the intermediate position diameter of screw hole is greater than the diameter at screw hole both ends, and the draw-in groove of a plurality of bar forms is seted up at the both ends of screw hole, consequently twist threaded hole when the screw is rotatory, the both ends of screw hole are fried to open to the extrusion is on the inside wall of arc wall, further fixed going forward between connecting pin and the arc wall, thereby improve the fastness between terminal and a board and the second number board and improve the electric connectivity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a perspective view of a multi-terminal according to a first embodiment;

FIG. 2 is a perspective view of a terminal according to one embodiment;

FIG. 3 is a cross-sectional view of a terminal according to one embodiment;

FIG. 4 is a view of the connection pin engaging the arcuate slot in accordance with one embodiment;

FIG. 5 is a drawing showing the cover plate and a number plate according to an embodiment;

FIG. 6 is a view showing the cover plate and reinforcing ribs according to the second embodiment;

in the figure: a board 1, No. 2, terminal 3, through-hole 4, arc wall 5, connecting pin 6, connecting rod 7, connecting cylinder 8, extrusion piece 81, screw hole 9, draw-in groove 10, recess 11, arch 12, push rod 13, cone 14, apron 15, bolt 16, nut 17, strengthening rib 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-5, the multi-joint terminal comprises a first plate 1, a second plate 2 and terminals 3, wherein a through hole 4 is formed in the middle of the first plate 1 and the second plate 2, the first plate 1 and the second plate 2 are coaxially and fixedly connected together, a plurality of arc-shaped grooves 5 are formed in the edge of the first plate 1, the arc-shaped grooves 5 penetrate through the second plate 2, and the terminals 3 are arranged in a gap between the first plate 1 and the second plate 2; the terminal 3 comprises a connecting pin 6, a connecting rod 7 and a connecting cylinder 8; the middle position of the outer ring of the connecting pin 6 is fixedly connected with one end of a connecting rod 7, the other end of the connecting rod 7 is fixedly connected with the closed end of a connecting cylinder 8, the thickness of the connecting rod 7 is smaller than the indirect connection between the first plate 1 and the second plate 2, and two ends of the connecting pin 6 are embedded into the arc-shaped grooves 5 on the first plate 1 and the second plate 2; the wiring terminal 3 is used for fixedly connecting a wire on the electrical equipment, so that the convenient electrical connection of the wire is realized, meanwhile, the later-stage wire is convenient to remove, and the wire is effectively fixed on the electrical equipment for a long time; when the electric connection operation is carried out, the problem that a plurality of wires are connected to the same electric equipment power connection pin can be solved, the conventional wiring terminal 3 only can connect one wire to the power connection pin due to structural limitation, and if the plurality of wires are arranged on the power connection pin in a refining mode through the plurality of wiring terminals 3, the space of the power connection pin connection position is limited, and the plurality of wiring terminals 3 cannot be effectively connected; to solve the above problems, the present invention provides a multi-terminal capable of connecting a plurality of wires at a time; firstly, inserting the end part of a wire into a connecting cylinder 8, then fixing the wire through a hydraulic clamp and connecting the wire into the connecting cylinder 8, then putting a connecting pin 6 in a horizontal state and pushing the wire into a gap between a first plate 1 and a second plate 2, when the connecting pin 6 is arranged at the position of an arc-shaped groove 5, rotating a terminal 3 to enable two ends of the connecting pin 6 to be embedded into the arc-shaped groove 5, at the moment, connecting the terminal 3 with the first plate 1 and the second plate 2 together, then inserting an upper wiring pin of an electrical device into through holes 4 of the first plate 1 and the second plate 2, and fixing the upper wiring pin through a nut 17; this multi-joint terminal connects terminal 3 in a board 1 and No. two boards 2 according to the wire connection radical, realizes many wires and the electric connection of wiring foot, and this multi-joint terminal simple structure makes things convenient for electrician's personnel to its operation simultaneously.

The end face of the connecting pin 6 is provided with a through threaded hole 9, a screw is connected in the threaded hole 9 in a threaded manner, and a plurality of strip-shaped clamping grooves 10 are formed in two ends of the threaded hole 9; screw is rotatory to twist in screw hole 9, because the intermediate position diameter of screw hole 9 is greater than the diameter at screw hole 9 both ends, and the draw-in groove 10 of a plurality of bar forms is seted up at the both ends of screw hole 9, consequently in screw hole 9 is twisted in to the screw is rotatory, the both ends of screw hole 9 are fried open, and the extrusion is on the inside wall of arc wall 5, further fixed going forward between connecting pin 6 and arc wall 5, thereby improve the fastness between terminal 3 and a number of board 1 and the second number of board 2 and improve the electric connectivity.

A plurality of grooves 11 are formed in each arc-shaped groove 5, strip-shaped protrusions 12 are arranged on the inner side walls of the grooves 11, and the protrusions 12 are embedded in the clamping grooves 10; the two ends of the threaded hole 9 are opened, and the protrusion 12 is embedded into the clamping groove 10, so that the rotation of the connecting pin 6 is limited, and the terminal 3 and the arc-shaped groove 5 are further fixed.

A fastening mechanism is arranged between the threaded hole 9 and the connecting cylinder 8; the fastening mechanism comprises a push rod 13 and a cone 14; the other end of the push rod 13 penetrates through a sliding groove formed in the connecting rod 7 and penetrates into the connecting cylinder 8, the other end of the push rod 13 is fixedly connected with a cone 14, and the tip end of the cone 14 points to the opening end of the connecting cylinder 8; in screw rotation screw-in screw hole 9, on the tip extrusion push rod 13 of screw to extrude push rod 13 to 8 directions of connecting cylinder, push rod 13 will promote cone 14, and in the copper silk bundle of tip insertion wire tip of cone 14, strut the copper silk bundle extrusion, increase fastness and stability between wire and the connecting cylinder 8.

A cover plate 15 is arranged on the upper plate surface of the first plate 1, a through hole 4 is also formed in the middle of the cover plate 15, a bolt 16 is arranged in the through hole 4, the bolt 16 penetrates through the through holes 4 of the first plate 1, the second plate 2 and the cover plate 15, and a threaded connection nut 17 is arranged at the end part of the bolt 16; this bolt 16 is the last wiring foot of electrical equipment, and this nut 17 is the last nut 17 of wiring foot, and nut 17 is tightened, and nut 17 extrudees apron 15, and apron 15 extrudees many screws together, extrudees fixedly to a plurality of screws, places the screw and appears becoming flexible and break away from screw hole 9.

The lower plate surface of the cover plate 15 is provided with an extrusion strip which is annular, and the diameter of the extrusion strip is the same as that of the arc-shaped groove 5; the extrusion strip is arranged, the extrusion force of the cover plate 15 to the screw is concentrated on the extrusion strip, the extrusion strip is concentrated on the screw, and the stability between the screw and the threaded hole 9 is improved.

The diameter of the middle position of the threaded hole 9 is larger than the diameters of the two ends of the threaded hole 9; the middle part of the connecting pin 6 is prevented from being extruded and bulged to deform, so that cracks are generated between the connecting pin 6 and the connecting rod 7, and the terminal 3 is prevented from being damaged.

A plurality of extrusion blocks 81 are arranged in the connecting cylinder 8, the extrusion blocks 81 are annularly arrayed in the connecting cylinder 8, and an inclined plane is arranged on the end surface of each extrusion block 81; by providing the pressing block 81, the firmness between the end of the wire and the connecting cylinder 8 is increased.

Example two:

referring to fig. 6, a first comparative example is another embodiment of the present invention, wherein a plurality of ribs 18 are uniformly disposed on the upper plate surface of the cover plate 15, and the ribs 18 prevent the cover plate 15 from deforming by compression and losing its effective compression on the screws when the cover plate 15 compresses the screws of the bosses 12 by the strength of the cover plate 15.

The working principle is as follows: firstly, inserting the end part of a wire into a connecting cylinder 8, then fixing the wire through a hydraulic clamp and connecting the wire into the connecting cylinder 8, then putting a connecting pin 6 in a horizontal state and pushing the wire into a gap between a first plate 1 and a second plate 2, when the connecting pin 6 is arranged at the position of an arc-shaped groove 5, rotating a terminal 3 to enable two ends of the connecting pin 6 to be embedded into the arc-shaped groove 5, at the moment, connecting the terminal 3 with the first plate 1 and the second plate 2 together, then inserting an upper wiring pin of an electrical device into through holes 4 of the first plate 1 and the second plate 2, and fixing the upper wiring pin through a nut 17; according to the multi-joint terminal, the terminal 3 is connected into the first plate 1 and the second plate 2 according to the number of the wires to realize the electrical connection between the wires and the wiring pins, and meanwhile, the multi-joint terminal is simple in structure and convenient for electricians to operate;

the screw is screwed into the threaded hole 9 in a rotating mode, the diameter of the middle position of the threaded hole 9 is larger than the diameters of the two ends of the threaded hole 9, and the two ends of the threaded hole 9 are provided with a plurality of strip-shaped clamping grooves 10, so that when the screw is screwed into the threaded hole 9 in a rotating mode, the two ends of the threaded hole 9 are exploded and extruded on the inner side wall of the arc-shaped groove 5, the connecting pin 6 and the arc-shaped groove 5 are further fixed, and therefore firmness between the terminal 3 and the first plate 1 and the second plate 2 is improved, and electric connectivity is improved;

two ends of the threaded hole 9 are spread, and the bulge 12 is embedded in the clamping groove 10, so that the rotation of the connecting pin 6 is limited, and the terminal 3 and the arc-shaped groove 5 are further fixed; the screw is screwed into the threaded hole 9 in a rotating mode, the end portion of the screw extrudes the push rod 13, the push rod 13 is extruded towards the connecting cylinder 8, the push rod 13 pushes the cone 14, the tip end of the cone 14 is inserted into the copper wire bundle at the end portion of the wire, the copper wire bundle is extruded and spread, and firmness and stability between the wire and the connecting cylinder 8 are improved;

the bolt 16 is an upper wiring pin of the electrical equipment, the nut 17 is an upper nut 17 of the wiring pin, the nut 17 is tightened, the nut 17 extrudes the cover plate 15, the cover plate 15 extrudes a plurality of screws together, the plurality of screws are extruded and fixed, and the screws are placed to be loosened and separated from the threaded holes 9; the extrusion strip is arranged, the extrusion force of the cover plate 15 to the screw is concentrated on the extrusion strip, the extrusion strip is concentrated on the screw, and the stability between the screw and the threaded hole 9 is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The polylinker terminal, its characterized in that: the novel connector comprises a first plate (1), a second plate (2) and terminals (3), wherein through holes (4) are formed in the middle positions of the first plate (1) and the second plate (2), the first plate (1) and the second plate (2) are coaxially and fixedly connected together, a plurality of arc-shaped grooves (5) are formed in the edge position of the first plate (1), the arc-shaped grooves (5) penetrate through the second plate (2), and the terminals (3) are arranged in a gap between the first plate (1) and the second plate (2); the terminal (3) comprises a connecting pin (6), a connecting rod (7) and a connecting cylinder (8); the one end of outer lane intermediate position rigid coupling connecting rod (7) of connecting pin (6), the blind end of the other end rigid coupling connecting cylinder (8) of connecting rod (7), the thickness of connecting rod (7) is less than the indirection between a board (1) and No. two boards (2), and the both ends embedding arc wall (5) on a board (1) and No. two boards (2) of connecting pin (6) are in.

2. The multi-terminal of claim 1, wherein: the end face of the connecting pin (6) is provided with a through threaded hole (9), the threaded hole (9) is internally threaded with a screw, and the two ends of the threaded hole (9) are provided with a plurality of strip-shaped clamping grooves (10).

3. The multi-terminal of claim 1, wherein: each arc wall (5) is internally provided with a plurality of grooves (11), the inner side walls of the grooves (11) are provided with strip-shaped bulges (12), and the bulges (12) are embedded into the clamping grooves (10).

4. The multi-terminal of claim 2, wherein: a fastening mechanism is arranged between the threaded hole (9) and the connecting cylinder (8); the fastening mechanism comprises a push rod (13) and a cone (14); the other end of the push rod (13) penetrates through a sliding groove formed in the connecting rod (7) and penetrates into the connecting cylinder (8), the other end of the push rod (13) is fixedly connected with a cone (14), and the tip of the cone (14) points to the opening end of the connecting cylinder (8).

5. The multi-terminal of claim 1, wherein: a cover plate (15) is arranged on the upper plate surface of the first plate (1), a through hole (4) is also formed in the middle of the cover plate (15), a bolt (16) is arranged in the through hole (4), the bolt (16) penetrates through the through holes (4) of the first plate (1), the second plate (2) and the cover plate (15), and a threaded connection nut (17) is arranged at the end part of the bolt (16).

6. The multi-terminal of claim 5, wherein: the lower plate surface of the cover plate (15) is provided with an extrusion strip which is annular, and the diameter of the extrusion strip is the same as that of the arc-shaped groove (5).

7. The multi-terminal of claim 2, wherein: the diameter of the middle position of the threaded hole (9) is larger than the diameters of the two ends of the threaded hole (9).

8. The multi-terminal of claim 1, wherein: a plurality of extrusion blocks (81) are arranged in the connecting cylinder (8), the extrusion blocks (81) are arranged in the connecting cylinder (8) in an annular array mode, and an inclined plane is arranged on the end face of each extrusion block (81).