CN218631861U

CN218631861U - Secondary terminal

Info

Publication number: CN218631861U
Application number: CN202220207846.2U
Authority: CN
Inventors: 胡毓哈; 陈元; 庄瑞伟; 蔡朦朦
Original assignee: Zhejiang Chint Electrics Co Ltd
Current assignee: Zhejiang Chint Electrics Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2023-03-14
Anticipated expiration: 2032-01-25

Abstract

The utility model provides a secondary terminal, corresponds the quiet terminal that sets up and moves the terminal, quiet terminal includes that casing and components of a whole that can function independently set up wiring mechanism and the grafting mechanism in the casing, wiring mechanism is including the clamping mechanism who is used for fixed external conductor, grafting mechanism with move the terminal cooperation, be connected through conductive structure between wiring mechanism and the grafting mechanism, through wiring mechanism and the grafting mechanism that the components of a whole that can function independently set up, can make wiring mechanism and grafting mechanism process respectively, especially can directly take shape by strip or sheet separately, the waste material does not almost when taking shape separately, can effectively reduce the quantity of strip or sheet, has environmental protection and characteristics with low costs.

Description

Secondary terminal

Technical Field

The utility model relates to a low voltage apparatus field especially relates to a secondary terminal.

Background

The secondary terminal is an important component of the universal circuit breaker and is mainly used for the functions of transmitting electric signals between a client and a product end, switching on a power supply and the like. However, the conventional secondary terminal is usually installed by screws, the problems of poor wiring such as screw sliding, loose screws and the like can occur, the contact piece structure is complicated, the contact piece is of an integrated structure from a client to a wiring end and is difficult to directly form by a strip or a sheet, and the manufacturing process has more waste materials and cannot meet the requirement of environmental protection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a secondary terminal.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a secondary terminal, corresponds the quiet terminal that sets up and moves the terminal, quiet terminal includes casing and components of a whole that can function independently wiring mechanism and the grafting mechanism that sets up in the casing, wiring mechanism is including the clamping mechanism who is used for fixed external conductor, grafting mechanism with move the terminal cooperation, be connected through conductive structure between wiring mechanism and the grafting mechanism, wiring mechanism includes two sets ofly clamping mechanism, two sets of clamping mechanism all include elastic component and fixed plate, and two sets of clamping mechanism's elastic component setting are between two sets of clamping mechanism's fixed plate, be equipped with on the casing with the overlap hole that the space between two sets of clamping mechanism's the elastic component corresponds to and two wiring holes that correspond respectively with two sets of clamping mechanism's fixed plate.

Preferably, the conductive structure is a flexible connection.

Preferably, the wiring mechanism includes an integrally formed U-shaped static wiring piece, the static wiring piece includes two fixing plates which are oppositely arranged, and a connecting plate connected between one ends of the two fixing plates, and the connecting plate is connected with the conductive structure.

Preferably, the elastic component includes the elastic plate and sets up respectively at the static board and the laminating board that move at the elastic plate both ends, and laminating board is buckled with the elastic plate and is connected and relative with the elastic plate, moves static board and elastic plate buckle and be connected and its serve to one of extending to laminating board and is equipped with the notch, laminating board supports spacing cooperation on the fixed plate, the notch cover that moves static board forms the clamp end on one side that the elastic plate was kept away from at the notch on the fixed plate, and elastic plate drive clamp end compresses tightly on the fixed plate.

Preferably, the shell is provided with a first mounting block for limiting the static wiring sheet, the connecting plate is provided with a first connecting hole matched with the conductive structure, the first mounting block is provided with an avoiding groove corresponding to the first connecting hole, and the avoiding groove is used for avoiding the conductive structure.

Preferably, the fixed plate is provided with a contact part penetrating through the notch, two sides of the contact part are respectively provided with a limiting step, and the limiting steps are in limiting fit with the side surfaces of the moving and static plates.

Preferably, the casing includes the base, is equipped with the terminal cavity respectively in the both sides of base, is equipped with two sets respectively in every terminal cavity wiring mechanism and grafting mechanism, through between wiring mechanism and the grafting mechanism that corresponds electrically conductive structural connection.

Preferably, the both sides of base are equipped with the lid respectively and close the terminal apron on the terminal cavity, are equipped with the fixed arch of at least two sets of perpendicular settings on the apron, be equipped with in the terminal cavity that corresponds with at least two sets of spacing grooves of fixed arch complex, the spacing cooperation in the spacing inslot that corresponds can be inserted respectively to the fixed arch of at least two sets of perpendicular settings.

Preferably, a first mounting block and a second mounting block are arranged in one end of the terminal cavity of the base, the fixing plate and the elastic piece of the wiring mechanism can be respectively sleeved on the first mounting block and the second mounting block to be matched in a limiting manner, a first fixing groove for limiting the fixing plate is formed between the first mounting block and the terminal cavity of the base, and a second fixing groove for limiting the elastic piece is formed between the second mounting block and the first mounting block; the grafting mechanism includes quiet contact piece, be equipped with the third installation piece in the other end of the terminal cavity of base, form two third fixed slots of two spacing quiet contact pieces between the lateral wall of the both sides of the terminal cavity that third installation piece and correspond respectively, still be equipped with protruding muscle and the draw-in groove of spacing quiet contact piece on the lateral wall of the both sides of terminal cavity, correspond the bending on the quiet contact piece and be equipped with the constant head tank that corresponds with protruding muscle to and the trip that corresponds with the draw-in groove, form between two quiet contact pieces and move contact piece male grafting cavity.

Preferably, move the terminal and include the base and install the movable contact piece on the base, the base is including the relative baffle that sets up to and set up the fixing base between two baffles, quiet terminal can insert between two baffles, is equipped with the slot between two adjacent baffles respectively, quiet terminal be equipped with slot complex picture peg.

Preferably, the fixed seat is provided with an upper fixed groove for accommodating the movable contact piece, one end of the movable contact piece matched with the static terminal extends out of the fixed groove, one end of the movable contact piece matched with the static terminal is provided with a bending angle, the bending angle is in limit fit with the fixed seat, the middle part of the movable contact piece is provided with a cutting tongue bent towards the side surface, and a groove in limit fit with the cutting tongue is arranged in the fixed groove.

The utility model discloses a secondary terminal through wiring mechanism and the grafting mechanism that the components of a whole that can function independently set up, can make wiring mechanism and grafting mechanism process respectively separately, especially can directly take shape by strip or sheet separately, and the waste material does not hardly when taking shape separately, can effectively reduce the quantity of strip or sheet, has environmental protection and characteristics with low costs.

Drawings

Fig. 1 is a schematic structural view of the secondary terminal of the present invention;

figure 2 is a cross-sectional view of the present invention from figure 1;

fig. 3 is a schematic structural view of the stationary terminal of the present invention;

fig. 4 is a schematic view of the internal structure of fig. 3 according to the present invention;

figure 5 is a cross-sectional view of the present invention from figure 3;

FIG. 6 is a schematic structural view of the wiring mechanism of the present invention;

FIG. 7 is a schematic structural view of the static connector of the present invention;

fig. 8 is a schematic structural view of the elastic member of the present invention;

fig. 9 is a schematic structural view of the stationary contact piece of the present invention;

fig. 10 is an exploded view of the housing of the static terminal of the present invention;

figure 11 is another perspective of the present invention from figure 10;

fig. 12 is a schematic structural view of the cover plate of the present invention;

fig. 13 is a schematic structural view of the movable terminal of the present invention;

figure 14 is a cross-sectional view of figure 13 of the present invention;

fig. 15 is a schematic structural view of the movable contact piece of the present invention.

Detailed Description

The following provides a further description of the embodiments of the secondary terminal of the present invention with reference to the embodiments shown in fig. 1 to 15. The secondary terminal of the present invention is not limited to the description of the following embodiments.

As shown in fig. 1-2, the utility model discloses a secondary terminal of circuit breaker is including the static terminal 1 and the movable terminal 2 that correspond the setting, static terminal 1 includes casing 11 and components of a whole that can function independently setting up wiring mechanism and grafting mechanism in casing 11, wiring mechanism is including the clamping mechanism who is used for fixed external conductor, grafting mechanism and movable terminal 2 cooperation are connected through conducting structure 15 between wiring mechanism and the grafting mechanism.

As shown in fig. 3-6, the wiring mechanism includes two sets of clamping mechanisms, each of the two sets of clamping mechanisms includes an elastic member 13 and a fixing plate 12, the elastic members 13 of the two sets of clamping mechanisms are disposed between the fixing plates 12 of the two sets of clamping mechanisms, the housing 11 is provided with a lap joint hole 111 corresponding to a space between the elastic members 13 of the two sets of clamping mechanisms, and two wiring holes 112 corresponding to the fixing plates 12 of the two sets of clamping mechanisms, respectively, the lap joint hole 111 is used for avoiding an operating tool for pushing the two elastic members 13 away from the respective fixing plate 12, the operating tool can pass through the lap joint hole 111 to push the elastic members 13 of the two sets of clamping mechanisms respectively, and open the two clamping mechanisms respectively, so that a lead outside the secondary terminal can be inserted between the elastic members 13 of the two sets of clamping mechanisms and the fixing plates 12 respectively, and then pull out the operating tool, and the elastic members 13 of the two clamping mechanisms reset and clamp the lead on the corresponding fixing plates 12.

As shown in fig. 6-9, the connection mechanism includes a U-shaped static connection plate integrally formed, the static connection plate includes two fixing plates 12 oppositely disposed and a connection plate 123 connected between one ends of the two fixing plates 12, a first connection hole 122 for connecting the conductive structure 15 is provided on the connection plate 123, the plugging mechanism includes a static contact piece 14, and a second connection hole 141 for connecting the conductive structure 15 is provided on the static contact piece 14; elastic component 13 includes elastic plate 133 and sets up respectively at the static board 134 and the laminating board 132 that move at elastic plate 133 both ends, laminating board 132 with elastic plate 133 buckle to be connected and relative with elastic plate 133, move static board 134 and elastic plate 133 buckle to be connected and its one of extending to laminating board 132 is served and is equipped with notch 131, laminating board 132 supports spacing cooperation on fixed plate 12, move the notch 131 cover of static board 134 on fixed plate 12, notch 131 can overlap on laminating board 132 or not overlap on laminating board 132, form clamping end 135 in the one side that elastic plate 133 was kept away from to notch 131, elastic plate 13 drive clamping end 135 compresses tightly on fixed plate 12, follows bridging hole 111 promotes to move static board 134 and can open clamping end 135 and fixed plate 12, makes the wire can insert and is fixed between clamping end 135 and fixed plate 12.

Preferably, the fixing plate 12 has a contact portion 124 passing through the notch 131, and two sides of the contact portion 124 are respectively provided with a limiting step 121, and the limiting step 121 is in limiting fit with a side surface of the moving and static plate 134, so that the limiting step 121 cannot pass through the notch 131. It can be understood that the two fixing plates 12 may also be connected to the conductive structure 15 respectively, instead of the U-shaped static connection plate integrally formed by the connecting plate 123, which all belong to the protection scope of the present invention.

As shown in fig. 10-11, the static terminal 1 adopts a single-base double-sided structure, the housing 11 includes a base, two terminal cavities are respectively disposed on two sides of the base, and a terminal cover plate is covered on the terminal cavities, two sets of the wiring mechanism and the plugging mechanism are respectively disposed in each terminal cavity, the wiring mechanism and the corresponding plugging mechanism are respectively connected through a conductive structure 15, and the conductive structure 15 of this embodiment is a flexible connection, such as a wire or a copper braided wire. Of course, other conductive soft materials may be selected for the conductive structure 15, and all of them belong to the protection scope of the present invention.

As shown in fig. 4-6, a first mounting block 119 and a second mounting block 118 are disposed in one end of the terminal cavity of the base, the fixing plate 12 and the elastic element 13 of the wiring mechanism can be respectively sleeved on the first mounting block 119 and the second mounting block 118 to be in a limited fit, a first fixing groove for limiting the fixing plate 12 is formed between the first mounting block 119 and the terminal cavity of the base, a second fixing groove for limiting the elastic element 13 is formed between the second mounting block 118 and the first mounting block 119, the first mounting block 119 is provided with an avoiding groove 110 corresponding to the first connecting hole 122 on the connecting plate 123, and the avoiding groove 110 is used for avoiding the conductive structure 15.

A third mounting block is arranged in the other end of the terminal cavity of the base, two third fixing grooves 142 for limiting the static contact piece 14 are respectively formed between the third mounting block and the side walls of the two sides of the corresponding terminal cavity, a convex rib 143 and a clamping groove 144 for limiting the static contact piece 14 are also arranged on the side walls of the two sides of the terminal cavity, a positioning groove 145 corresponding to the convex rib 143 and a clamping hook 146 corresponding to the clamping groove 144 are correspondingly and curvedly arranged on the static contact piece 14, and a plug-in cavity for inserting the movable contact piece 22 is formed between the two static contact pieces 14. As shown in fig. 4 and 10-12, the two cover plates are identical in structure and symmetrically arranged, the two cover plates are respectively a left cover plate 16 and a right cover plate 17, at least two sets of vertically arranged fixing protrusions are arranged on the cover plates, at least two sets of limiting grooves matched with the fixing protrusions are arranged in the corresponding terminal cavities, and the at least two sets of vertically arranged fixing protrusions can be respectively inserted into the corresponding limiting grooves for limiting matching. Specifically, the cover plate is provided with a first fixing protrusion 161, a second fixing protrusion 162 and a third fixing protrusion 163, the protruding direction of the first fixing protrusion 161 and the protruding direction of the second fixing protrusion 162 are the same and perpendicular to the protruding direction of the third fixing protrusion 163, the base is provided with a first limiting groove 115, a second limiting groove 116 and a third limiting groove 117 which are respectively matched with the first fixing protrusion 161, the second fixing protrusion 162 and the third fixing protrusion 163, the third fixing protrusion 163 is firstly transversely inserted into the third limiting groove 117 in fig. 4 for limiting, and then the first fixing protrusion 161 and the second fixing protrusion 162 are respectively inserted into the corresponding first limiting groove 115 and the second limiting groove 116 for limiting, so that the assembly is very convenient.

Preferably, the first fixing protrusion 161 and the third fixing protrusion 163 are long bars, the second fixing protrusion 162 is cylindrical, and the number of the first fixing protrusion 161, the second fixing protrusion 162 and the third fixing protrusion 163 is plural.

As shown in fig. 13-14, the movable terminal 2 includes a base 21 and a movable contact piece 22 installed on the base 21, the base 21 includes baffles 212 arranged oppositely and a fixing seat 213 arranged between the two baffles 212, the stationary terminal 1 can be inserted between the two baffles 212, a slot 211 is respectively arranged between the two adjacent baffles 212, two insertion plates respectively matched with the slot 211 are arranged on the upper and lower sides of the stationary terminal 1, the two insertion plates are an upper insertion plate 113 and a lower insertion plate 114 (fig. 4), and the insertion plate and the two slot 211 are matched to play a guiding role for the stationary terminal 1.

As shown in fig. 14 to 15, an upper fixing groove for accommodating the movable contact piece 22 is formed in the fixing seat 213, one end of the movable contact piece 22, which is matched with the fixed terminal 1, extends out of the fixing groove, a bending angle 222 is formed at one end of the movable contact piece 22, which is matched with the fixed terminal 1, the bending angle 222 is in limit fit with the fixing seat 213, a cutting tongue 223 bent towards the side surface is formed in the middle of the movable contact piece 22, and a groove 2230 in limit fit with the cutting tongue 223 is formed in the fixing groove. The fixed seat 213 and the movable contact piece 22 are inserted into the insertion cavity of the stationary terminal 1 with the stationary contact piece 14, so that the stationary contact piece 14 is in contact fit with the movable contact piece 22.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a secondary terminal, corresponds quiet terminal (1) and the movable terminal (2) that set up, its characterized in that: the static terminal (1) comprises a shell (11), and a wiring mechanism and an inserting mechanism which are separately arranged in the shell (11), wherein the wiring mechanism comprises a clamping mechanism for fixing an external wire, the inserting mechanism is matched with the movable terminal (2), and the wiring mechanism is connected with the inserting mechanism through a conductive structure (15); wiring mechanism includes two sets ofly clamping mechanism, two sets of clamping mechanism all include elastic component (13) and fixed plate (12), and two sets of clamping mechanism's elastic component (13) set up between two sets of clamping mechanism's fixed plate (12), be equipped with on casing (11) with the overlap hole (111) that the space between two sets of clamping mechanism's elastic component (13) corresponds to and two wiring holes (112) that correspond respectively with two sets of clamping mechanism's fixed plate (12).

2. The secondary terminal of claim 1, wherein: the conductive structure (15) is in flexible connection.

3. The secondary terminal of claim 1, wherein: the wiring mechanism comprises an integrally-formed U-shaped static wiring sheet, the static wiring sheet comprises two fixing plates (12) which are oppositely arranged, and a connecting plate (123) connected between one ends of the two fixing plates (12), and the connecting plate (123) is connected with the conductive structure (15).

4. The secondary terminal of claim 1, wherein: elastic component (13) include elastic plate (133) and set up respectively at static board (134) and laminating board (132) that move at elastic plate (133) both ends, laminating board (132) are buckled with elastic plate (133) and are connected and relative with elastic plate (133), move static board (134) and elastic plate (133) and buckle and be connected and its one of extending to laminating board (132) and be served and be equipped with notch (131), laminating board (132) support spacing cooperation on fixed plate (12), move notch (131) cover of static board (134) on fixed plate (12), form clamping end (135) in one side that elastic plate (133) were kept away from in notch (131), elastic plate (133) drive clamping end (135) compresses tightly on fixed plate (12).

5. The secondary terminal of claim 3, wherein: casing (11) are equipped with first installation piece (119) that are used for spacing static lug, be equipped with on connecting plate (123) with conductive structure (15) complex first connecting hole (122), first installation piece (119) are equipped with dodges groove (110) that correspond with first connecting hole (122), dodge groove (110) and are used for dodging conductive structure (15).

6. The secondary terminal of claim 4, wherein: the fixing plate (12) is provided with a contact part (124) penetrating through the notch (131), two sides of the contact part (124) are respectively provided with a limiting step (121), and the limiting steps (121) are in limiting fit with the side surfaces of the moving and static plates (134).

7. The secondary terminal of claim 1, wherein: casing (11) include the base, are equipped with the terminal cavity respectively in the both sides of base, are equipped with two sets of respectively in every terminal cavity wiring mechanism and grafting mechanism, pass through between wiring mechanism and the grafting mechanism that corresponds conducting structure (15) connect.

8. The secondary terminal of claim 7, wherein: the both sides of base are equipped with respectively to cover and close the terminal apron on the terminal cavity, are equipped with the fixed arch of at least two sets of perpendicular settings on the apron, be equipped with in the terminal cavity that corresponds with at least two sets of spacing grooves of fixed arch complex, the spacing cooperation in the corresponding spacing groove can be inserted respectively to the fixed arch of at least two sets of perpendicular settings.

9. The secondary terminal of claim 7, wherein: a first mounting block (119) and a second mounting block (118) are arranged at one end of a terminal cavity of the base, a fixing plate (12) and an elastic piece (13) of the wiring mechanism can be respectively sleeved on the first mounting block (119) and the second mounting block (118) to be in limited fit, a first fixing groove for limiting the fixing plate (12) is formed between the first mounting block (119) and the terminal cavity of the base, and a second fixing groove for limiting the elastic piece (13) is formed between the second mounting block (118) and the first mounting block (119); the plugging mechanism comprises a static contact piece (14), a third mounting block is arranged in the other end of the terminal cavity of the base, two third fixing grooves (142) for limiting two static contact pieces (14) are formed between the third mounting block and the side walls of the two sides of the corresponding terminal cavity respectively, a convex rib (143) and a clamping groove (144) for limiting the static contact pieces (14) are further arranged on the side walls of the two sides of the terminal cavity, a positioning groove (145) corresponding to the convex rib (143) is correspondingly and curvedly arranged on the static contact piece (14), a clamping hook (146) corresponding to the clamping groove (144) is arranged, and a plugging cavity for inserting the movable contact piece (22) is formed between the two static contact pieces (14).

10. The secondary terminal of claim 1, wherein: move terminal (2) and include base (21) and install moving contact piece (22) on base (21), base (21) are including relative baffle (212) that sets up to and fixing base (213) of setting between two baffle (212), quiet terminal (1) can be inserted between two baffle (212), is equipped with slot (211) between two adjacent baffle (212) respectively, quiet terminal (1) be equipped with slot (211) complex picture peg.

11. The secondary terminal of claim 10, wherein: be equipped with the last fixed slot that is used for holding movable contact piece (22) on fixing base (213), movable contact piece (22) stretches out the fixed slot with quiet terminal (1) complex one end, is equipped with angle (222) of bending at movable contact piece (22) and quiet terminal (1) complex one end, angle (222) of bending and fixing base (213) spacing cooperation, the middle part of movable contact piece (22) is equipped with cuts tongue (223) of bending to the side, be equipped with in the fixed slot and cut tongue (223) spacing complex recess (2230).