CN212908198U

CN212908198U - Wire terminal convenient to maintenance

Info

Publication number: CN212908198U
Application number: CN202021788340.2U
Authority: CN
Inventors: 王志明; 马晓娥
Original assignee: Beijing Nittan Electronics Co ltd
Current assignee: Beijing Nittan Electronics Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-04-06
Anticipated expiration: 2030-08-24

Abstract

The application relates to a lead terminal convenient to maintain, which comprises a male terminal and a female terminal in plug fit with the male terminal; the female terminal comprises a socket body provided with a plug groove; the male terminal comprises an outer shell with one end provided with a slot, a mounting plate arranged in the slot and in sliding fit with the slot, a connecting piece arranged on the mounting plate and used for fixing a wire, a protrusion arranged on the outer shell and deviating from one end of the slot and matched with the insertion groove, and a clamping piece arranged on the plug and deviating from one end of the outer shell, connected with a contact pin of the connecting piece and used for limiting the position of the mounting plate in the slot. This application has the advantage that improves public terminal and changes the maintenance convenience.

Description

Wire terminal convenient to maintenance

Technical Field

The present application relates to the field of wire connection devices, and more particularly, to a wire terminal convenient for maintenance.

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, lead terminals are more and more widely applied to facilitate the connection between electronic and electrical appliances and the transmission of signals; the wire 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 are not required to be welded or wound together, convenience and rapidness are realized, and the wire terminal is suitable for interconnection among a large number of wires.

In the related art, the wire terminals generally include male and female terminals that are fitted to each other; the male terminal generally comprises a shell and a plurality of threading holes arranged at one end of the shell, wherein a copper piece is fixedly connected in the shell, a plug is convexly arranged at one end of the shell, which is far away from the threading holes, and a contact pin integrally arranged with the copper piece is convexly arranged on the plug; the lead with the insulation skin removed penetrates through the threading hole and is fixed with the copper piece through a bolt; the female terminal is provided with a slot which is matched with the plug.

In view of the above-described related art, the inventors consider that the following technical drawbacks exist: in practical applications, the copper part is generally fixed in the housing, the housing is generally made of a plastic material, and during the use of the male terminal, installation errors may occur, for example, when the lead is butted with the copper part, a bolt for fixing the lead is loosened or virtual connection is caused due to various reasons; the load of the joint of the wire and the copper part is large due to various reasons such as small wire diameter, large load or aging of the shell, the shell is burnt to a certain extent due to heat generated at the joint of the copper part and the wire, at the moment, the whole male terminal needs to be replaced, and in practical application, a plurality of wires are connected to one male terminal sometimes, so that the plurality of wires need to be detached one by one, and one of the plurality of wires is connected after a new male terminal is replaced, so that the replacement and maintenance of the male terminal are inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience of public terminal change maintenance, this application provides a wire terminal convenient to maintenance.

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

a lead terminal convenient for maintenance comprises a male terminal and a female terminal which is in plug-in fit with the male terminal; the female terminal comprises a socket body provided with a plug groove; the male terminal comprises an outer shell with one end provided with a slot, a mounting plate arranged in the slot and in sliding fit with the slot, a connecting piece arranged on the mounting plate and used for fixing a wire, a protrusion arranged on the outer shell and deviating from one end of the slot and matched with the insertion groove, and a clamping piece arranged on the plug and deviating from one end of the outer shell, connected with a contact pin of the connecting piece and used for limiting the position of the mounting plate in the slot.

By adopting the technical scheme, when the terminal is actually installed, the connecting piece is arranged on the installation plate, then the conducting wire is connected with the connecting piece after the insulating skin is removed, and then the installation plate with the connecting piece is inserted into the slot and limited by the clamping piece; when the shell of the male terminal is burnt or the connection of the connecting piece and the lead fails, the mounting plate with the connecting piece is pulled out of the slot, and then a new shell is replaced or the connecting piece is maintained; and need not change whole public terminal, reduced the wiring operation, improved the convenience of public terminal change maintenance.

Preferably, the connecting piece comprises a connecting block and a limiting bolt; a plurality of connecting blocks are arranged on the mounting plate; one end of the connecting block facing the opening of the slot is provided with a threading hole; a limiting screw hole communicated with the threading hole is arranged on the limiting block; the limiting bolt is in threaded connection with the limiting screw hole, and one end of the limiting bolt is located in the threading hole.

Through adopting above-mentioned technical scheme, insert the through wires hole after getting rid of the insulating skin of wire tip, then use instruments such as screwdrivers to twist and move spacing bolt, spacing bolt bottom supports the wire fastening in the through wires hole and fixes to it is fixed to make things convenient for the installation of wire on the connecting piece.

Preferably, the connecting piece further comprises a fixing bolt for fixing the mounting plate and the connecting block.

Through adopting above-mentioned technical scheme, make things convenient for the installation of connecting block and mounting panel to be fixed, simultaneously, use mounting panel and connecting block to use fixing bolt fixed, when single connecting block breaks down, can maintain alone to it and change and can not influence the use of other connecting blocks.

Preferably, a yielding groove matched with the connecting block is arranged in the slot at a position corresponding to the connecting block.

Through adopting above-mentioned technical scheme, can improve mounting panel and connecting block and slot complex compactness to improve the steadiness of mounting panel in the slot, reduce the possibility that impurity such as dust got into the slot simultaneously.

Preferably, the clamping plates comprise clamping plates which are arranged on two sides of the mounting plate and made of elastic materials; one end of the clamping plate is fixedly connected with the mounting plate, and a certain included angle is formed between the clamping plate and the mounting plate; when the mounting plate is inserted into the slot, the clamping plate is in abutting fit with the inner side wall of the slot.

Through adopting above-mentioned technical scheme, when installing the mounting panel in to the slot, press the joint board with the hand, the joint board takes place deformation, inserts the mounting panel back in the slot, and the joint board supports tight cooperation with the slot inner wall to make the mounting panel maintain stably in the slot.

Preferably, the clamping plate is provided with a clamping hook in a protruding mode on the side, away from the side face of the slot, of the clamping plate, the direction of the clamping hook deviates from the sliding direction of the mounting plate, and a clamping groove matched with the clamping hook is formed in the position, corresponding to the clamping hook, on the inner side wall of the slot.

By adopting the technical scheme, when the mounting plate is mounted in the slot, the clamping plate is pressed by hands, the clamping plate deforms, and after the mounting plate is inserted into the slot, the clamping hook is clamped in the clamping groove when the clamping plate is opened; when the mounting plate is disassembled, the clamping plate is pressed by hands, the clamping hook is separated from the clamping groove, and then the mounting plate is pulled outwards to complete the disassembly of the mounting plate; the stability of the installation plate in the slot is improved.

Preferably, one end of the clamping plate, which is away from the fixing plate, extends out of the slot.

Through adopting above-mentioned technical scheme, conveniently press the joint board when installing and tearing open the mounting panel, and then improve the convenience that the mounting panel was installed and is torn open.

Preferably, the contact pin is detachably connected with the connecting block.

Through adopting above-mentioned technical scheme, when the contact pin can not very good use because reasons such as misoperation take place to warp after, can pull down the maintenance with the contact pin alone and change and then make things convenient for the maintenance of public terminal.

Preferably, a mounting hole is formed in one end, away from the threading hole, of the connecting block, the mounting hole is a threaded hole, and a through hole coaxial with the mounting hole is formed in the position, corresponding to the mounting hole, in the plug; the end of the contact pin towards the plug is coaxially provided with a threaded end, and the threaded end of the contact pin penetrates through the through hole to be in threaded connection with the mounting hole.

Through adopting above-mentioned technical scheme, adopt the mode of spiro union, make things convenient for the installation and the dismantlement of contact pin and connecting block, and then make things convenient for the maintenance of contact pin to change.

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

1. by arranging the mounting plate and the connecting piece, the convenience of replacement and maintenance of the male terminal is improved;

2. the clamping piece is arranged, so that the mounting stability of the mounting plate is improved;

3. through setting up the trip, further improve the stability of mounting panel installation in the slot.

Drawings

Fig. 1 is a schematic view of a structure of a wire terminal for easy maintenance;

FIG. 2 is an exploded view of the wire terminal;

FIG. 3 is a schematic view of the mating structure of the connector and the pin;

fig. 4 is a sectional view showing the engagement of the card member with the socket body.

Description of reference numerals: 1. a housing; 10. a slot; 100. a yielding groove; 101. a card slot; 102. a first accommodating groove; 2. mounting a plate; 3. a connecting member; 30. connecting blocks; 300. threading holes; 301. a limiting screw hole; 302. fixing screw holes; 303. mounting holes; 31. a limit bolt; 310. pressing a plate; 32. fixing the bolt; 4. inserting a pin; 40. a threaded end; 5. a clamping piece; 50. a clamping and connecting plate; 51. a hook is clamped; 6. a plug; 60. perforating; 61. a guide strip; 7. a socket body; 70. inserting grooves; 700. a guide groove; 71. a second accommodating groove; 72. a clamping groove; 720. a second fold-over portion; 8. a fastener; 80. clamping a plate; 81. a first fold-over portion.

Detailed Description

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

The embodiment of the application discloses wire terminal convenient to maintenance. Referring to fig. 1 and 2, the wire terminal convenient for maintenance includes a male terminal and a female terminal in plug-in fit with the male terminal; the male terminal comprises a shell 1, a mounting plate 2, a connecting piece 3, a contact pin 4 and a clamping piece 5; the shell 1 is made of thermoplastic plastics, and can be phenolic plastics specifically; a slot 10 is arranged at one end of the shell 1 along the length direction of the shell 1, and a plug 6 which is integrally formed with the shell 1 is convexly arranged at one end of the shell 1 departing from the slot 10; the mounting plate 2 is inserted into the slot 10 and is in sliding fit with the slot 10; a plurality of connecting pieces 3 are arranged on the mounting plate 2; a plurality of connectors 3 are arranged along the length of the mounting plate 2.

Referring to fig. 2 and 3, the connection member 3 includes a connection block 30, a limit bolt 31, and a fixing bolt 32; one end of the connecting block 30, which is far away from the plug 6, is provided with a threading hole 300 matched with a lead; a position, corresponding to the threading hole 300, of one surface, deviating from the mounting plate 2, of the connecting block 30 is provided with a limiting screw hole 301 communicated with the threading hole 300; the limiting screw hole 301 is a countersunk threaded hole; the limiting bolt 31 is a countersunk bolt and is screwed in the limiting screw hole 301; in order to improve the stability of the fixing of the limiting bolt 31 to the lead, a pressing plate 310 is coaxially and fixedly connected to one end of the limiting bolt 31, which is positioned in the threading hole 300; a fixing screw hole 302 penetrating through the upper surface and the lower surface of the connecting block 30 is formed in the connecting block 30, a threaded hole is formed in the mounting plate 2 at a position corresponding to the fixing screw hole 302, the fixing screw hole 302 is a countersunk threaded hole, and the fixing bolt 32 penetrates through the fixing screw hole 302 and is in threaded connection with the threaded hole in the mounting plate 2; a mounting hole 303 is formed in one end, away from the threading hole 300, of the connecting block 30, the mounting hole 303 is a threaded hole, and a through hole 60 coaxial with the mounting hole 303 is formed in the plug 6, corresponding to the mounting hole 303; one end of the contact pin 4 facing the plug 6 is coaxially provided with a threaded end 40, and the threaded end 40 of the contact pin 4 penetrates through the through hole 60 to be in threaded connection with the mounting hole 303; in order to improve the tightness of the fitting of the mounting plate 2 and the connector 3 with the socket 10, a relief groove 100 adapted to the connector block 30 is provided in the socket 10 at a position corresponding to the connector block 30.

Referring to fig. 2, the clamping member 5 includes clamping plates 50 disposed at both sides of the mounting plate 2; the clamping and connecting plate 50 is made of elastic materials, one end of the clamping and connecting plate 50 is fixedly connected with the mounting plate 2, and a certain included angle is formed between the clamping and connecting plate 50 and the mounting plate 2; in order to further improve the mounting stability of the mounting plate 2 in the slot 10, a hook 51 is convexly arranged on one side of the clamping plate 50 departing from the side surface of the slot 10, the direction of the hook 51 deviates from the sliding direction of the mounting plate 2, and a clamping groove 101 matched with the hook 51 is arranged on the inner side wall of the slot 10 at a position corresponding to the hook 51; in order to improve the smoothness of the mounting plate 2 when inserted into the slot 10, a first accommodating groove 102 is formed in the side wall of the slot 10 at a position corresponding to the clamping plate 50, the clamping groove 101 is arranged in the first accommodating groove 102, and the clamping plate 50 is tightly attached to the inner wall of the first accommodating groove 102; the end of the clamping plate 50 facing away from the fixing plate is located outside the slot 10.

Referring to fig. 2 and 4, the female terminal includes a socket body 7, and a plug-in groove 70 adapted to the plug 6 is formed on the female terminal; the male terminal is provided with a clamping piece 8 for fixing the female terminal and the male terminal; the clamping piece 8 comprises clamping plates 80 which are arranged on two sides of the plug 6 and one end of each clamping plate 80 is fixedly connected with the shell 1, each clamping plate 80 is made of an elastic material and forms a certain included angle with the plug 6, a first folding part 81 is convexly arranged on one surface, away from the shell 1, of each clamping plate 80, and the first folding part 81 is folded towards the shell 1; a second accommodating groove 71 matched with the clamping plate 80 is formed in the outer wall of the female terminal and corresponds to the clamping plate 80, a clamping groove 72 is formed in one end, away from the opening of the inserting groove 70, of the second accommodating groove 71, the opening of the clamping groove 72 is turned towards the bottom of the clamping groove 72 to form a second turning part 720 matched with the first turning part 81, and when the clamping plate 80 is inserted into the clamping groove 72, the first turning part 81 and the second turning part 720 are in clamping fit; in order to improve the smoothness of the sliding of the plug 6 in the inserting groove 70, guide bars 61 extending along the direction of the plug 6 are convexly arranged on two sides of the plug 6, a guide groove 700 extending along the extending direction of the inserting groove 70 is arranged on the side wall of the inserting groove 70 corresponding to the guide bars 61, and the guide bars 61 are in sliding fit with the guide grooves 700.

The implementation principle of the wire terminal convenient to maintain in the embodiment of the application is as follows: in practical application, when a wire terminal is installed, firstly, a connecting block 30 is fixed on an installation plate 2 by using a fixing bolt 32, then, a wire is inserted into a threading hole 300 on the installation block after an insulating skin is stripped, then, a limiting bolt 31 is screwed by using a screwdriver and the like, a pressing plate 310 supports the wire tightly against the threading hole 300, then, a contact pin 4 is screwed in an installation hole 303, clamping plates 50 on two sides of the installation plate 2 are pinched by hands, the connecting block 30 aligns with a abdicating groove 100 to push the installation plate 2 inwards, and the contact pin 4 penetrates out of a perforation 60; then, the clamping plate 50 is loosened, the clamping plate 50 is opened, the clamping plate 50 is attached to and abutted against the bottom of the first accommodating groove 102, and the clamping hook 51 is clamped in the clamping groove 101; the clamping plate 80 is pressed by hand towards the direction of the plug 6, then the plug 6 is aligned with the plugging groove 70 on the socket body 7 and pressed inwards, the mutually matched guide strip 61 and the guide groove 700 guide the sliding of the plug 6 in the plugging groove 70, and the matching fluency of the plug 6 and the plugging groove 70 is improved; when the clamping plate 80 is inserted into the clamping groove 72, the clamping plate 80 is loosened, and the first folding part 81 and the second folding part 720 are clamped and matched; when the shell 1 is burnt due to the fact that the load is too large or the fixing position of the pressing plate 310 to the lead loosens, the clamping plate 80 is pressed by a hand, the first turnover part 81 is separated from the second turnover part 720, then the male terminal is pulled outwards to pull the male terminal out of the female terminal, then the clamping plate 50 is pressed by a hand, the hook 51 is separated from the clamping groove 101, then the mounting plate 2 is pulled outwards to pull the connecting piece 3 with the lead and the contact pin 4 out of the slot 10, and then the shell 1 is replaced; when the contact pin 4 is inclined due to factors such as misoperation, the contact pin 4 can be screwed out of the mounting hole 303, and then a new contact pin 4 is replaced; in conclusion, when the male terminal shell 1 is burnt, only the shell 1 of the male terminal needs to be replaced, the whole male terminal does not need to be replaced, the wiring operation is reduced, and the convenience in replacement and maintenance of the male terminal 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. A lead terminal convenient for maintenance comprises a male terminal and a female terminal which is in plug-in fit with the male terminal; the female terminal comprises a socket body (7) provided with a plug groove (70); the method is characterized in that: the male terminal comprises a shell (1) with one end provided with a slot (10), a mounting plate (2) which is arranged in the slot (10) and is in sliding fit with the slot (10), a connecting piece (3) which is arranged on the mounting plate (2) and used for fixing a wire, a plug (6) which is arranged on the shell (1) and deviates from one end of the slot (10) and is matched with the insertion groove (70) in a protruding mode, and a clamping piece (5) which is arranged on the plug (6) and deviates from one end of the shell (1) and is connected with the connecting piece (3) in a protruding mode and used for limiting the position of the mounting plate (2) in the slot (10).

2. A service facilitating wire terminal as in claim 1, wherein: the connecting piece (3) comprises a connecting block (30) and a limiting bolt (31); a plurality of connecting blocks (30) are arranged on the mounting plate (2); a threading hole (300) is formed in one end, facing the opening of the slot (10), of the connecting block (30); a limit screw hole (301) communicated with the threading hole (300) is arranged on the limit block; the limiting bolt (31) is in threaded connection with the limiting screw hole (301), and one end of the limiting bolt is located in the threading hole (300).

3. A service facilitating wire terminal as in claim 2, wherein: the connecting piece (3) further comprises a fixing bolt (32) for fixing the mounting plate (2) and the connecting block (30).

4. A service facilitating wire terminal as in claim 2, wherein: and an abdicating groove (100) matched with the connecting block (30) is arranged in the slot (10) at a position corresponding to the connecting block (30).

5. A service facilitating wire terminal as in claim 1, wherein: the clamping piece (5) comprises clamping plates (50) which are arranged on two sides of the mounting plate (2) and are made of elastic materials; one end of the clamping and connecting plate (50) is fixedly connected with the mounting plate (2) and forms a certain included angle with the mounting plate (2); when the mounting plate (2) is inserted into the slot (10), the clamping plate (50) is tightly matched with the inner side wall of the slot (10).

6. A service facilitating wire terminal as in claim 5, wherein: the clamping hook (51) is convexly arranged on one side of the clamping plate (50) departing from the side face of the slot (10), the direction of the clamping hook (51) deviates from the sliding direction of the mounting plate (2), and a clamping groove (101) matched with the clamping hook (51) is formed in the position, corresponding to the clamping hook (51), on the inner side wall of the slot (10).

7. A service facilitating wire terminal as in claim 5, wherein: one end of the clamping plate (50) departing from the fixing plate extends out of the slot (10).

8. A service facilitating wire terminal as in claim 2, wherein: the contact pin (4) is detachably connected with the connecting block (30).

9. A service facilitating wire terminal as in claim 8, wherein: a mounting hole (303) is formed in one end, away from the threading hole (300), of the connecting block (30), the mounting hole (303) is a threaded hole, and a through hole (60) coaxial with the mounting hole (303) is formed in the plug (6) at a position corresponding to the mounting hole (303); one end of the contact pin (4) facing the plug (6) is coaxially provided with a threaded end (40), and the threaded end (40) of the contact pin (4) penetrates through the through hole (60) to be in threaded connection with the mounting hole (303).