CN212908210U

CN212908210U - Terminal convenient to connect

Info

Publication number: CN212908210U
Application number: CN202021757176.9U
Authority: CN
Inventors: 常晓鸣; 薛菲
Original assignee: Beijing Nittan Electronics Co ltd
Current assignee: Beijing Nittan Electronics Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-06
Anticipated expiration: 2030-08-20

Abstract

The application relates to a terminal convenient for connection, which comprises a male terminal and a female terminal matched with the male terminal; the male terminal comprises a shell with an insertion end at one end, and a contact pin is arranged at the insertion end in a protruding mode; the female terminal is provided with an insertion groove matched with the insertion end; the insertion end is in inserting fit with the insertion groove; the method is characterized in that: a mounting groove is formed in the shell, and a threading hole communicated with the mounting groove is formed in one end, away from the insertion end, of the shell; the threading hole is positioned above the notch of the mounting groove, a clamping edge is formed between the bottom end of the threading hole and the mounting groove, and an accommodating cavity is formed above the mounting groove by the threading hole; the position corresponding with the mounting groove on the casing is provided with and holds the indent that the chamber communicates, is provided with in the indent to be used for carrying out the press plate that restricts to the wire position in the mounting groove, is provided with in the mounting groove to be used for carrying out the joint spare that restricts according to press plate position in the mounting groove. This application has the advantage that improves the convenience of being connected of wire and public terminal.

Description

Terminal convenient to connect

Technical Field

The application relates to the field of wire connecting equipment, in particular to a terminal convenient to connect.

Background

At present, with the continuous development of the electronic and electrical appliance industry and the continuous improvement of industrial automation and industrial control requirements, terminals are more and more widely applied in order to facilitate the connection between electronic and electrical appliances and the transmission of signals; the terminal is used as an accessory product for realizing electrical connection, connection and disconnection between two wires can be realized at any time, the wires do not need to be welded or wound together, convenience and rapidness are realized, and the terminal is suitable for interconnection among a large number of wires.

In the related art, a plug-in terminal is a common connection terminal, and is composed of a male terminal and a female terminal which are matched and clamped with each other, the male terminal generally includes a housing made of plastic, a copper part is arranged in the housing, a threading hole is arranged at one end of the male terminal, and a contact pin electrically connected with the copper part is arranged at one end of the male terminal, which is away from the threading hole, in a protruding manner; when connecting the lead wire with the copper part inside the male terminal, the lead wire is generally inserted into the threading hole, and then the lead wire is fixed on the copper part one by using bolts; and an insertion groove matched with the male terminal is formed in the female terminal, and after the connection between the lead and the copper piece is completed, one end, provided with the contact pin, of the male terminal is inserted into the insertion groove of the female terminal.

In view of the above-described related art, the inventors consider that the following technical drawbacks exist: when being connected with the wire and the male terminal, sometimes the wiring is more on the male terminal, and the work load is big with wire and male terminal connection one by one this moment to use the bolt, and the wire is comparatively inconvenient with the connection of male terminal.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience of being connected of wire and public terminal, this application provides a terminal convenient to connect.

The application provides a terminal convenient to connect adopts following technical scheme:

a terminal convenient for connection comprises a male terminal and a female terminal matched with the male terminal; the male terminal comprises a shell with an insertion end at one end, and a contact pin is arranged at the insertion end in a protruding mode; the female terminal comprises a socket body, and an insertion groove matched with the insertion end is formed in the socket body; the insertion end is in inserting fit with the insertion groove; a mounting groove is formed in the shell, and a threading hole communicated with the mounting groove is formed in one end, away from the insertion end, of the shell; the threading hole is positioned above the notch of the mounting groove, a clamping edge is formed between the bottom end of the threading hole and the mounting groove, and an accommodating cavity is formed above the mounting groove by the threading hole; the position corresponding with the mounting groove on the casing is provided with and holds the indent that the chamber communicates, is provided with in the indent to be used for carrying out the press plate that restricts to the wire position in the mounting groove, is provided with in the mounting groove to be used for carrying out the joint spare that restricts according to press plate position in the mounting groove.

By adopting the technical scheme, when the conducting wire is actually connected with the male terminal, firstly, the insulating skin at one end of the conducting wire is stripped, then the conducting wire with the insulating skin removed is inserted into the accommodating cavity from the threading hole, then the pressing plate is pressed downwards, enters the accommodating cavity from the pressing groove, presses the conducting wire downwards into the mounting groove, and is kept stable under the action of the clamping piece, so that the conducting wire is kept stable in the mounting groove; through setting up press plate and joint spare, improved the convenience of being connected of wire and public terminal.

Preferably, the clamping piece comprises a shell and an elastic plate arranged in the shell; one side of the shell facing the notch of the mounting groove is opened to form a U-shaped frame structure; the two elastic plates are symmetrically arranged on two sides of the opening of the shell, and the length direction of the elastic plates is parallel to the length direction of the shell; the two elastic plates are turned towards the inside of the shell to form bent parts, the bent parts of the two elastic plates form an elastic clamping opening outside the shell, and the opening width of the elastic clamping opening is smaller than the thickness of the mounting plate.

Through adopting above-mentioned technical scheme, press down the press plate, the press plate is from pressing down the groove entering and holding the chamber, press down the wire with the effect of press plate during the joint spare of impressing from elastic clamp mouth department with the direction, the kink turns over to back of the body, elastic clamp mouth and vertical open, when the bottom that will lead to the casing of impressing, the elastic clamp mouth will press down the plate clamp fastening and decide to improve the steadiness of press plate in pressing the groove.

Preferably, one end of the bent part facing the bottom of the shell extends towards the bottom of the shell to form a vertical part, and a certain distance is reserved between one end of the vertical part departing from the bent part and the bottom surface of the shell; the pressing plate outwards protrudes towards one side of the clamping piece to form an arc-shaped portion, and the arc-shaped portion is clamped and matched with the vertical portion towards one side of the bottom of the shell.

Through adopting above-mentioned technical scheme, arc portion cooperates with vertical mutual butt of portion, further improves the steadiness of installing in the joint spare according to the clamp plate.

Preferably, an inwards concave arc surface is formed between the arc-shaped part and the pressing plate, and one side of the vertical part, which faces one end of the bottom of the shell and corresponds to the arc-shaped part, is in arc transition and is matched with the arc-shaped part; when the pressing plate is completely inserted into the clamping piece, the vertical portion is attached to the surface of the pressing plate, and the bottom end of the vertical portion faces one side of the arc portion and is attached to the arc portion.

By adopting the technical scheme, when the wire is actually connected with the male terminal, the pressing plate is pressed downwards, the pressing plate enters the accommodating cavity from the pressing groove, the wire is pressed downwards under the action of the end of the pressing plate to be guided to be pressed into the clamping piece from the elastic clamping opening, the bent part is turned over backwards, the elastic clamping opening and the vertical part are opened, when the wire is pressed into the bottom of the shell, the vertical part is attached to the pressing plate, the arc part is attached to the bottom of the vertical part and is clamped and matched with the bottom of the vertical part, the arc transition is formed at the matched part, and the wire is kept stable in the shell; when the guide needs to be maintained and replaced, a force is applied to one end, away from the hinge point, of the pressing plate by a hand or other tools, the pressing plate is lifted upwards by force, the clamping joint of the vertical part and the pressing plate is arc-shaped, the vertical part and the elastic clamping opening are opened at the moment, the pressing plate is pulled out of the clamping piece, then the wire is pulled out of the wire through hole by force, and a new wire is replaced to finish the replacement of the wire; the pressing plate is convenient to replace the wire while improving the stability in the clamping piece.

Preferably, one side of the arc-shaped part departing from the pressing plate extends downwards to form a tip, and one surface of the tip departing from the arc-shaped part is a plane.

Through adopting above-mentioned technical scheme, make things convenient for the wire to the pressing in the joint spare.

Preferably, one end of the pressing plate is hinged with the shell.

Through adopting above-mentioned technical scheme, be convenient for reduce the terminal in the transportation or the installation and press the possibility that the board was lost according to the cooperation of clamp and joint spare.

Preferably, needle penetrating holes communicated with the mounting grooves are formed in the insertion end and correspond to the mounting grooves one to one; the contact pin penetrates through the needle penetrating hole and is matched with the needle penetrating hole in a sliding manner; the contact pin and the clamping piece are detachably connected.

Through adopting above-mentioned technical scheme, make things convenient for the change of contact pin.

Preferably, the joint spare deviates from the one end in through wires hole and is provided with the thread bush, and the contact pin is provided with screw thread portion towards the one end coaxial in through wires hole, screw thread portion and thread bush spiro union.

Through adopting above-mentioned technical scheme, make things convenient for the installation of contact pin on joint spare.

Preferably, a clamping piece for fixing the male terminal and the female terminal is arranged on the socket body; the clamping piece comprises clamping plates arranged on two corresponding sides of the long edge of the insertion groove; the clamping plate is made of elastic materials and forms a certain included angle with the socket body, and when the insertion end is inserted into the slot, the clamping plate is tightly propped against the shell of the male terminal.

Through adopting above-mentioned technical scheme, the back is accomplished in the installation of public terminal, struts the cardboard on the female terminal with the hand, then inserts the end with public terminal and inserts in the insertion groove, when inserting the end and insert the insertion groove bottom, cardboard and public terminal press from both sides tightly to maintain public female terminal complex steadiness.

Preferably, an accommodating groove is formed in one end, away from the contact pin, of the outer shell of the male terminal, and the inner wall, facing the end of the contact pin, of the accommodating groove is turned towards the inside of the outer shell to form a first turning part; a second folding part matched with the first folding part is convexly arranged on one surface of one end of the clamping plate, which is far away from the socket body and faces the male terminal; the first folding part is matched with the second folding part in a clamping way.

By adopting the technical scheme, when the clamping plate is positioned above the accommodating groove, the first folding part and the second folding part are clamped and matched under the self-elastic action of the clamping plate, and the male terminal and the female terminal are stably matched; when the male terminal and the female terminal need to be disassembled, the clamping plate is opened, the first turnover part and the second turnover part are separated, and the male terminal is pulled out of the female terminal; the stability of the male and female terminals is further improved.

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

1. the pressing plate and the clamping piece are arranged, so that the convenience of connection between the lead and the male terminal is improved;

2. through setting up the fastener, improved public female terminal complex steadiness.

Drawings

FIG. 1 is a schematic view of a terminal configuration for ease of connection;

FIG. 2 is a cross-sectional view of the male terminal showing the internal structure of the male terminal;

fig. 3 is a sectional view showing the structure of the clip.

Description of reference numerals: 1. a housing; 10. mounting grooves; 11. threading holes; 110. clamping edges; 111. an accommodating chamber; 12. pressing the groove; 13. a yielding groove; 14. accommodating grooves; 140. a first fold-over portion; 2. inserting a pin; 3. a clamping piece; 30. a housing; 31. an elastic plate; 310. a bending section; 311. an elastic nip; 312. a vertical portion; 32. a threaded sleeve; 4. a pressing plate; 40. an arc-shaped portion; 41. a tip; 5. an insertion end; 50. perforating a pinhole; 6. a socket body; 60. inserting the groove; 7. a fastener; 70. clamping a plate; 71. a second folded portion.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses terminal convenient to connect. Referring to fig. 1 and 2, the terminals for facilitating connection include a male terminal and a female terminal mated with the male terminal; the male terminal comprises a shell 1, a contact pin 2, a clamping piece 3 and a pressing plate 4; a plurality of mounting grooves 10 are formed in the shell 1, threading holes 11 communicated with the mounting grooves 10 are correspondingly formed in one end of the shell 1 and the mounting grooves 10 one by one, the threading holes 11 are located above the notches of the mounting grooves 10, clamping edges 110 are formed between the bottom ends of the threading holes 11 and the mounting grooves 10, and accommodating cavities 111 are formed in the threading holes 11 above the mounting grooves 10; an inserting end 5 is convexly arranged at the other end of the shell 1 opposite to the threading hole 11, and needle threading holes 50 communicated with the mounting grooves 10 are correspondingly arranged in the inserting end 5 and the mounting grooves 10 one by one; the contact pin 2 penetrates through the needle penetrating hole 50 and is matched with the needle penetrating hole 50 in a sliding manner; the clamping pieces 3 are arranged in the mounting grooves 10 in a one-to-one correspondence manner; the pressing groove 12 communicated with the accommodating cavity 111 is correspondingly formed in the position, corresponding to the mounting groove 10, of the shell 30, and the pressing plate 4 is arranged in the pressing groove 12 and matched with the clamping piece 3 to limit the conducting wire.

Referring to fig. 3, the clip 3 includes a housing 30 and an elastic plate 31 disposed in the housing 30; the shell 30 is matched with the mounting groove 10 and is opened towards one side of the notch of the mounting groove 10 to form a U-shaped frame structure; two elastic plates 31 are symmetrically arranged at two sides of the opening of the shell 30, and the length direction of the elastic plates 31 is parallel to the length direction of the shell 30; the two elastic plates 31 are turned towards the inside of the shell 30 to form bent parts 310, the bent parts 310 of the two elastic plates 31 form an elastic clamping opening 311 outside the shell 30, one end of the bent part 310 facing the bottom of the shell 30 extends towards the bottom of the shell 30 to form a vertical part 312, and a certain distance exists between one end of the vertical part 312 departing from the bent part 310 and the bottom surface of the shell 30; the thickness of the pressing plate 4 is greater than the opening width of the elastic clamping opening 311, one side of the pressing plate 4, which faces the clamping piece 3, protrudes outwards to form an arc-shaped part 40, an inwards concave arc surface is formed between the arc-shaped part 40 and the pressing plate 4, one side of the arc-shaped part 40, which is far away from the pressing plate 4, extends downwards to form an end head 41, and one surface of the end head 41, which is far away from the arc-shaped part 40, is a plane; at vertical portion 312 towards casing 30 bottom local one end with the corresponding one side arc transition of arc portion 40 and with arc portion 40 adaptation, when press platen 4 inserts joint spare 3 completely, vertical portion 312 and press platen 4 face laminating and vertical portion 312 bottom is laminated with arc portion 40 towards one side of arc portion 40.

Referring to fig. 2, a threaded sleeve 32 is arranged at one end of the clamping piece 3, which is far away from the threading hole 11, a threaded part is coaxially arranged at one end of the contact pin 2, which is far towards the threading hole 11, and the threaded part is in threaded connection with the threaded sleeve 32; in order to facilitate the matching of the pressing plate 4 and the clamping piece 3 and reduce the possibility that the pressing plate 4 is lost in the transportation or installation process of the terminal, one end of the pressing plate 4 is hinged with the shell 30; the coaxial groove 13 of stepping down that is provided with in the one end that the through wires hole 11 deviates from mounting groove 10, holding tank 14 and the groove 13 of stepping down can cooperate with the wire better.

Referring to fig. 1 and 2, the female terminal includes a socket body 6, an insertion groove 60 adapted to the male terminal insertion end 5 is provided on the socket body 6, and the insertion end 5 is in insertion fit with the insertion groove 60; in order to improve the stability of the matching of the female terminal and the male terminal, a clamping piece 7 used for fixing the male terminal and the female terminal is arranged on the socket body 6; the clamping piece 7 comprises clamping plates 70 arranged at two corresponding sides of the long side of the insertion groove 60; the clamping plate 70 is made of elastic materials and forms a certain included angle with the socket body 6, and when the insertion end 5 is inserted into the slot 60, the clamping plate 70 is tightly propped against the shell 1 of the male terminal; in order to further improve the stability of the male and female terminals in matching, an accommodating groove 14 is formed in one end, away from the pin 2, of the outer shell 1 of the male terminal, and the inner wall, facing one end of the pin 2, of the accommodating groove 14 is turned inwards of the outer shell 1 to form a first turning part 140; a second folded part 71 matched with the first folded part 140 is convexly arranged on one surface of one end, which is far away from the socket body 6, of the clamping plate 70 and faces the male terminal; the first folded part 140 is matched with the second folded part 71 in a clamping way.

The implementation principle of the terminal convenient to connect of the embodiment of the application is as follows: when the wire is actually connected with the male terminal, firstly, an insulating skin at one end of the wire is stripped, then the wire without the insulating skin is inserted into the accommodating cavity 111 from the threading hole 11, at the moment, the part of the wire with the insulating skin is positioned in the abdicating groove 13, then the pressing plate 4 is pressed downwards, the pressing plate 4 enters the accommodating cavity 111 from the pressing groove 12, the wire is pressed downwards under the action of the end 41 of the pressing plate 4 to be guided to be pressed into the clamping piece 3 from the elastic clamping opening 311, the bending part 310 is turned back, the elastic clamping opening 311 and the vertical part 312 are opened, when the wire is pressed into the bottom of the shell 30, the vertical part 312 is attached to the pressing plate 4, the arc part 40 is attached to the bottom of the vertical part 312 and is clamped and matched, the arc transition of the matching part is realized, and the wire is kept stable in; when the guide needs to be maintained and replaced, a force is applied to one end, away from the hinge point, of the pressing plate 4 by a hand or other tools, the pressing plate is lifted upwards by force, the clamping joint of the vertical part 312 and the pressing plate 4 is arc-shaped, the vertical part 312 and the elastic clamping opening 311 are opened at the moment, the pressing plate 4 is pulled out of the clamping piece 3, then the lead is pulled out of the threading hole 11 by force, and the new lead is replaced to finish the replacement of the lead; after the male terminal is installed, the clamping plate 70 on the female terminal is spread by hand, then the insertion end 5 of the male terminal is inserted into the insertion groove 60, when the insertion end 5 is inserted into the bottom of the insertion groove 60, the clamping plate 70 is positioned above the accommodating groove 14, under the self-elastic action of the clamping plate 70, the first folding part 140 and the second folding part 71 are clamped and matched, and the male terminal and the female terminal are stably matched; when the male terminal and the female terminal need to be disassembled, the clamping plate 70 is spread, the first folded part 140 and the second folded part 71 are separated, and the male terminal is pulled out of the female terminal; to sum up, through setting up clamp plate and joint spare 3, improved the convenience of being connected of wire and public terminal.

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. A terminal convenient for connection comprises a male terminal and a female terminal matched with the male terminal; the male terminal comprises a shell (1) with an insertion end (5) at one end, and a contact pin (2) is arranged on the insertion end (5) in a protruding mode; the female terminal comprises a socket body (6), and an insertion groove (60) matched with the insertion end (5) is formed in the socket body (6); the insertion end (5) is in splicing fit with the insertion groove (60); the method is characterized in that: a mounting groove (10) is formed in the shell (1), and a threading hole (11) communicated with the mounting groove (10) is formed in one end, away from the insertion end (5), of the shell (1); the threading hole (11) is positioned above the notch of the mounting groove (10), a clamping edge (110) is formed between the bottom end of the threading hole (11) and the mounting groove (10), and the threading hole (11) forms an accommodating cavity (111) above the mounting groove (10); the shell (30) is provided with a pressing groove (12) communicated with the accommodating cavity (111) at a position corresponding to the mounting groove (10), a pressing plate (4) used for limiting the position of the lead in the mounting groove (10) is arranged in the pressing groove (12), and a clamping piece (3) used for limiting the position of the pressing plate (4) in the mounting groove (10) is arranged in the mounting groove (10).

2. A terminal as claimed in claim 1, wherein: the clamping piece (3) comprises a shell (30) and an elastic plate (31) arranged in the shell (30); one side of the shell (30) facing the notch of the mounting groove (10) is opened to form a U-shaped frame structure; the two elastic plates (31) are symmetrically arranged at two sides of the opening of the shell (30), and the length direction of the elastic plates (31) is parallel to the length direction of the shell (30); the two elastic plates (31) are turned towards the inside of the shell (30) to form bent parts (310), the bent parts (310) of the two elastic plates (31) form an elastic clamping opening (311) outside the shell (30), and the opening width of the elastic clamping opening (311) is smaller than the thickness of the mounting plate.

3. A terminal as claimed in claim 2, wherein: one end of the bent part (310) facing the bottom of the shell (30) extends towards the bottom of the shell (30) to form a vertical part (312), and a certain distance exists between one end of the vertical part (312) departing from the bent part (310) and the bottom surface of the shell (30); pressing plate (4) outwards bulge towards one side of joint spare (3) and form arc portion (40), arc portion (40) and vertical portion (312) towards the cooperation of the one side joint of casing (30) bottom.

4. A terminal as claimed in claim 3, wherein: an inwards concave arc surface is formed between the arc-shaped part (40) and the pressing plate (4), and one side of the vertical part (312) facing one end of the bottom of the shell (30) and corresponding to the arc-shaped part (40) is in arc transition and is matched with the arc-shaped part (40); when the pressing plate (4) is completely inserted into the clamping piece (3), the vertical part (312) is attached to the surface of the pressing plate (4) and one side, facing the arc-shaped part (40), of the bottom end of the vertical part (312) is attached to the arc-shaped part (40).

5. A terminal of claim 4, wherein: one side of the arc-shaped part (40) departing from the pressing plate (4) extends downwards to form an end head (41), and one surface of the end head (41) departing from the arc-shaped part (40) is a plane.

6. A terminal as claimed in claim 2, wherein: one end of the pressing plate (4) is hinged with the shell (1).

7. A terminal as claimed in claim 2, wherein: needle penetrating holes (50) communicated with the mounting grooves (10) are formed in the insertion end (5) and in one-to-one correspondence with the mounting grooves (10); the contact pin (2) penetrates through the needle penetrating hole (50) and is in sliding fit with the needle penetrating hole (50); the contact pin (2) is detachably connected with the clamping piece (3).

8. A terminal as claimed in claim 6, wherein: joint spare (3) deviate from the one end of through wires hole (11) and are provided with thread bush (32), and contact pin (2) are towards the coaxial screw thread portion that is provided with in one end of through wires hole (11), screw thread portion and thread bush (32) spiro union.

9. A terminal as claimed in claim 1, wherein: a clamping piece (7) used for fixing the male terminal and the female terminal is arranged on the socket body (6); the clamping piece (7) comprises clamping plates (70) arranged on two corresponding sides of the long side of the insertion groove (60); the clamping plate (70) is made of elastic materials and forms a certain included angle with the socket body (6), and when the insertion end (5) is inserted into the slot (60), the clamping plate (70) is tightly propped against the shell (1) of the male terminal.

10. A terminal as claimed in claim 9, wherein: an accommodating groove (14) is formed in one end, away from the pin (2), of the outer shell (1) of the male terminal, and the accommodating groove (14) is turned towards the inner wall of one end of the pin (2) and is turned towards the inside of the outer shell (1) to form a first turning part (140); a second folded part (71) matched with the first folded part (140) is convexly arranged on one surface, facing the male terminal, of one end, away from the socket body (6), of the clamping plate (70); the first folding part (140) is matched with the second folding part (71) in a clamping way.