CN213816027U

CN213816027U - Plug-in wiring terminal

Info

Publication number: CN213816027U
Application number: CN202120117577.6U
Authority: CN
Inventors: 林和义; 李贵珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-07-27
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses an insertion type wiring terminal, which comprises a first terminal component and a second terminal component; the first terminal assembly comprises a terminal row, a clamping block and a first connecting rod which is arranged on the clamping block and the terminal row in a penetrating mode, two ends of the first connecting rod are respectively provided with a first locking piece, the terminal row comprises a plurality of first wiring boards, the first wiring boards are provided with power-on pins, and first conducting strips are mounted on the power-on pins; the second terminal assembly comprises a power strip and a second connecting rod penetrating through the power strip, two ends of the second connecting rod are respectively provided with a second locking piece, the power strip comprises a plurality of second wiring boards, power slots are formed in the second wiring boards, and second conducting strips are arranged in the power slots; the lateral part of inserting the electric row is equipped with the backup pad, is equipped with spacing hole in the backup pad, presss from both sides and is equipped with the spout on the tight piece of clamp, and the top of spout is equipped with the spacing post with spacing hole looks adaptation. The utility model discloses can realize the accurate cooperation of connecing the electric needle on the first terminal subassembly and the electric tank on the second terminal subassembly.

Description

Plug-in wiring terminal

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a bayonet binding post.

Background

The circuit breaker is used for connecting a certain range of internal circuits and external circuits and is equivalent to a main switch in function. The wiring terminal of the circuit breaker can be divided into a front-board wiring terminal, a rear-board wiring terminal and a plug-in wiring terminal according to different connection modes, the circuit breaker adopting the plug-in wiring terminal omits a necessary isolator in the wiring terminal of the original common circuit breaker, the use economy is improved, meanwhile, great convenience is brought to operation and maintenance, and the safety and the reliability are improved.

The existing wiring terminal comprises a first terminal assembly and a second terminal assembly which are in plug-in fit, wherein the first terminal assembly is provided with an electricity connecting needle, the electricity connecting needle is provided with a first conducting strip, the second terminal assembly is provided with an electricity connecting groove for the electricity connecting needle to insert, and a second conducting strip which is used for abutting against the first conducting strip and forming electric connection is arranged in the electricity connecting groove. This plug-in binding post is in repetitious usage in-process, and mechanical position can take place certain change between each part to lead to producing certain positional difference in vertical direction, connect the electricity needle and can take place to warp gradually, thereby influence the binding post part used repeatedly's of circuit breaker reliability and life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bayonet binding post, the utility model discloses can realize the accurate cooperation of connecing the electric tank on connecing the electric needle on the first terminal subassembly and the second terminal subassembly, guarantee the reliability and the life of the partial used repeatedly of binding post of circuit breaker.

In order to achieve the above object, the utility model provides a following technical scheme: a plug-in terminal includes a first terminal assembly and a second terminal assembly; the first terminal assembly comprises a terminal row, clamping blocks arranged on two sides of the terminal row and a first connecting rod penetrating the clamping blocks and the terminal row, wherein two ends of the first connecting rod are respectively provided with a first locking piece, the two first locking pieces are respectively abutted against the side parts of the corresponding clamping blocks to enable the two clamping blocks to clamp the terminal row, the terminal row comprises a plurality of first wiring boards arranged side by side, each first wiring board is provided with a power connection pin, and a first conducting strip is arranged on each power connection pin; the second terminal assembly comprises an electricity-inserting row and a second connecting rod penetrating through the electricity-inserting row, two ends of the second connecting rod are respectively provided with a second locking part, the two second locking parts are respectively abutted against two sides of the electricity-inserting row, the electricity-inserting row comprises a plurality of second wiring boards arranged side by side, each second wiring board is provided with an electricity-inserting groove matched with the corresponding electricity-connecting pin, and a second conducting strip used for forming electric connection with the corresponding first conducting strip is arranged in each electricity-inserting groove; the lateral part of the power strip is provided with a supporting plate, a limiting hole is formed in the supporting plate, a sliding groove in sliding fit with the supporting plate is formed in the clamping block, and a limiting column matched with the limiting hole is arranged at the top end of the sliding groove.

By adopting the technical scheme, the terminal row of the first terminal assembly is formed by arranging a plurality of first wiring boards with the electric contact pins side by side, the electric plug row of the second terminal assembly is formed by arranging a plurality of second wiring boards with electric plug grooves side by side, the design greatly improves the installation accuracy of the first terminal assembly and the second terminal assembly, and the corresponding connecting rods and the corresponding locking pieces are utilized to ensure that the structures of the terminal strip and the power strip are more stable, the mechanical positions of all parts are prevented from changing in the process of matching the first terminal assembly and the second terminal assembly for many times, meanwhile, when the contact pins are matched with the plug-in slots, the limit positions on the first terminal component clamping blocks are inserted into the limit holes on the second terminal component supporting plate, the matching precision of the first terminal assembly and the second terminal assembly and the stability of the matching structure are further improved, therefore, the structure can ensure the repeated use reliability and the service life of the wiring terminal part of the circuit breaker.

The utility model discloses further set up to, the bottom of first conducting strip is equipped with U-shaped joint portion, first conducting strip is hugged closely and is connect the electric needle lateral part to connect be equipped with on the electric needle with the U-shaped joint groove that U-shaped joint portion agreed with, first conducting strip top is equipped with L shape joint portion, seted up on the first wiring board with the L shape joint groove that L shape joint portion agreed with.

Through adopting above-mentioned technical scheme, not only do benefit to the installation of first conducting strip, have the anticreep function moreover, can improve the stability when first conducting strip installation and cooperate with the second conducting strip.

The utility model discloses further set up to, first retaining member and second retaining member are the rivet, first retaining member and second retaining member cooperate with head rod and second connecting rod riveting respectively.

Through adopting above-mentioned technical scheme, can realize the spacing effect to the clamp block under simple structure's prerequisite.

The utility model discloses further set up to, spacing post and the tight piece formula structure as an organic whole of clamp.

Through adopting above-mentioned technical scheme, saved the intervention of screw, not only simple structure, processing is convenient, has higher intensity moreover.

The utility model discloses further set up to, press from both sides the inboard of tight piece and hug closely and insert electric row lateral part, press from both sides one side that tight piece lower extreme is close to and inserts electric row and be equipped with the direction oblique angle.

Through adopting above-mentioned technical scheme, do benefit to the backup pad and slide in the spout of pressing from both sides tight piece, promote the convenience of operation.

The utility model discloses further set up to, first terminal subassembly is still including setting up the connecting plate in terminal row bottom, has seted up the connection screw on the connecting plate, and the both sides of connecting plate are equipped with and are used for supporting the pterygoid lamina at pressing from both sides tight piece lateral part.

Through adopting above-mentioned technical scheme, be convenient for first terminal subassembly and other being connected of mechanism, also further promoted the stability of terminal row structure simultaneously.

The utility model discloses further set up to, the lateral part of pressing from both sides tight piece is equipped with first location convex part, be equipped with the first locating hole with first location convex part looks adaptation on the pterygoid lamina, the bottom of terminal row is equipped with second location convex part, be equipped with the second locating hole with second location convex part looks adaptation on the connecting plate.

Through adopting above-mentioned technical scheme, not only make things convenient for the dismouting of connecting plate and pterygoid lamina, its connection structure is very stable moreover.

The utility model discloses further set up as, be equipped with the cutting part that supplies the pterygoid lamina embedding on pressing from both sides tight piece.

Through adopting above-mentioned technical scheme, can promote the fitness of pterygoid lamina and the tight piece of clamp, and then promote the stability of pterygoid lamina installation.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a schematic structural diagram of a first terminal assembly of the present invention;

fig. 3 is a schematic structural diagram of a first wiring board of the present invention;

fig. 4 is a schematic structural diagram of a second terminal assembly according to the present invention.

In the figure: 1. a first terminal assembly; 2. a second terminal assembly; 3. a terminal block; 4. a clamping block; 5. a first connecting rod; 6. a first locking member; 7. a first wiring board; 8. a needle for receiving electricity; 9. a first conductive sheet; 10. a power strip is inserted; 11. a second connecting rod; 12. a second locking member; 13. a second wiring board; 14. inserting an electric groove; 15. a second conductive sheet; 16. a support plate; 17. a limiting hole; 18. a chute; 19. a limiting column; 20. a U-shaped clamping part; 21. a U-shaped clamping groove; 22. an L-shaped clamping part; 23. an L-shaped clamping groove; 24. guiding oblique angles; 25. a connecting plate; 26. a connecting screw hole; 27. a wing plate; 28. a first positioning protrusion; 29. a first positioning hole; 30. a second positioning projection; 31. a second positioning hole; 32. a cutting part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): an insert terminal as shown in fig. 1-4 comprises a first terminal assembly 1 and a second terminal assembly 2; the first terminal assembly 1 comprises a terminal row 3, clamping blocks 4 arranged on two sides of the terminal row 3 and first connecting rods 5 penetrating the clamping blocks 4 and the terminal row 3, wherein two ends of each first connecting rod 5 are respectively provided with a first locking piece 6, the two first locking pieces 6 are respectively abutted against the side parts of the corresponding clamping blocks 4 to enable the two clamping blocks 4 to clamp the terminal row 3, the terminal row 3 comprises a plurality of first wiring boards 7 arranged side by side, each first wiring board 7 is provided with a power connection pin 8, and each power connection pin 8 is provided with a first conducting strip 9; the second terminal assembly 2 comprises an electricity-inserting row 10 and a second connecting rod 11 penetrating through the electricity-inserting row 10, two ends of the second connecting rod 11 are respectively provided with a second locking piece 12, the two second locking pieces 12 are respectively abutted against two sides of the electricity-inserting row 10, the electricity-inserting row 10 comprises a plurality of second wiring boards 13 arranged side by side, the number of the second wiring boards 13 is the same as that of the first wiring boards 7, the second wiring boards 13 are provided with electricity-inserting grooves 14 matched with the corresponding electricity-connecting pins 8, and second conducting strips 15 electrically connected with the corresponding first conducting strips 9 are arranged in the electricity-inserting grooves 14; the lateral part of the power strip 10 is provided with a support plate 16, the support plate 16 is arranged on the second wiring board 13 at the most edge, the support plate 16 is provided with a limiting hole 17, the clamping block 4 is provided with a sliding groove 18 which forms sliding fit with the support plate 16, the top end of the sliding groove 18 is provided with a limiting column 19 matched with the limiting hole 17, and the diameter of the limiting column 19 is smaller than that of the limiting hole 17. This structure can realize connecing on the first terminal subassembly 1 the accurate cooperation of contact pin 8 and the second terminal subassembly 2 on connecing the electric tank, guarantees the reliability and the life of the partial used repeatedly of binding post of circuit breaker.

As shown in fig. 3, a U-shaped clamping portion 20 is disposed at the bottom of the first conductive plate 9, the first conductive plate 9 is tightly attached to the side of the electrical contact 8, a U-shaped clamping groove 21 matched with the U-shaped clamping portion 20 is disposed on the electrical contact 8, an L-shaped clamping portion 22 is disposed at the top end of the first conductive plate 9, and an L-shaped clamping groove 23 matched with the L-shaped clamping portion 22 is disposed on the first wiring board 7. This structure not only does benefit to the installation of first conducting strip 9, has the anticreep function moreover, can improve the stability when first conducting strip 9 installation and cooperate with second conducting strip 15.

Wherein, first retaining member 6 is the rivet with second retaining member 12, first retaining member 6 and second retaining member 12 respectively with head rod 5 and the cooperation of 11 riveting of second connecting rod, trompil respectively at the both ends of head rod 5 and second connecting rod 11 promptly, impress the rivet in this hole, this design can realize the spacing effect to clamp block 4 under simple structure's prerequisite.

Wherein, spacing post 19 and the tight piece 4 formula structure as an organic whole of clamp have saved the intervention of screw, and not only simple structure, processing is convenient, has higher intensity moreover.

As shown in figure 2, the inner side of the clamping block 4 is tightly attached to the side of the power strip 10, and a guide bevel 24 is arranged on one side of the lower end of the clamping block 4 close to the power strip 10, so that the structure is beneficial to the support plate 16 to slide into the sliding groove 18 of the clamping block 4, and the convenience of operation is improved.

As shown in fig. 2, the first terminal assembly 1 further includes a connecting plate 25 disposed at the bottom of the terminal block 3, the connecting plate 25 is provided with a connecting screw hole 26, two sides of the connecting plate 25 are provided with flanges 27 for abutting against the side portions of the clamping block 4, and the flanges 27 are integrated with the connecting plate 25. This design facilitates the connection of the first terminal assembly 1 to other mechanisms, while also further improving the structural stability of the terminal block 3.

As shown in fig. 2, the side of the clamping block 4 is provided with a first positioning protrusion 28, the wing plate 27 is provided with a first positioning hole 29 adapted to the first positioning protrusion 28, the bottom of the terminal block 3 is provided with a second positioning protrusion 30, and the connecting plate 25 is provided with a second positioning hole 31 adapted to the second positioning protrusion 30, which not only facilitates the detachment and installation of the connecting plate 25 and the wing plate 27, but also provides a stable connecting structure.

As shown in fig. 2, the clamp block 4 is provided with a cutting portion 32 into which the wing plate 27 is fitted, and this structure can improve the fitting degree of the wing plate 27 with the clamp block 4, and further improve the stability of the installation of the wing plate 27.

The working principle is as follows: the terminal row 3 of the first terminal assembly 1 is formed by arranging a plurality of first wiring boards 7 with electric connection pins 8 side by side, the electric insertion row 10 of the second terminal assembly 2 is formed by arranging a plurality of second wiring boards 13 with electric insertion grooves 14 side by side, the design greatly improves the installation accuracy of the first terminal assembly 1 and the second terminal assembly 2, and the structure of the terminal row 3 and the electric insertion row 10 is more stable by utilizing corresponding connecting rods and locking pieces, the mechanical position of each part is prevented from changing in the process of matching the first terminal assembly 1 and the second terminal assembly 2 for a plurality of times, meanwhile, when the electric connection pins 8 are matched with the electric insertion grooves 14, the limit on the clamping block 4 of the first terminal assembly 1 is inserted into the limit hole 17 on the supporting plate 16 of the second terminal assembly 2, the matching accuracy of the first terminal assembly 1 and the second terminal assembly 2 and the stability of the matching structure are further improved, therefore, the structure can ensure the repeated use reliability and the service life of the wiring terminal part of the circuit breaker.

Claims

1. A plug-in terminal comprises a first terminal assembly (1) and a second terminal assembly (2); the method is characterized in that: the first terminal assembly (1) comprises a terminal row (3), clamping blocks (4) arranged on two sides of the terminal row (3) and first connecting rods (5) arranged on the clamping blocks (4) and the terminal row (3) in a penetrating mode, two first locking pieces (6) are arranged at two ends of each first connecting rod (5) respectively, the two first locking pieces (6) are abutted to the side portions of the corresponding clamping blocks (4) respectively to enable the two clamping blocks (4) to clamp the terminal row (3), the terminal row (3) comprises a plurality of first wiring boards (7) arranged side by side, a power connection needle (8) is arranged on each first wiring board (7), and a first conducting plate (9) is installed on each power connection needle (8); the second terminal assembly (2) comprises an electricity inserting row (10) and second connecting rods (11) penetrating through the electricity inserting row (10), two ends of each second connecting rod (11) are respectively provided with one second locking piece (12), the two second locking pieces (12) are respectively abutted against two sides of the electricity inserting row (10), the electricity inserting row (10) comprises a plurality of second wiring boards (13) arranged side by side, each second wiring board (13) is provided with an electricity inserting groove (14) matched with the corresponding electricity connecting pin (8), and each electricity inserting groove (14) is internally provided with a second conducting strip (15) electrically connected with the corresponding first conducting strip (9); the lateral part of the power strip (10) is provided with a supporting plate (16), a limiting hole (17) is formed in the supporting plate (16), a sliding groove (18) which is in sliding fit with the supporting plate (16) is formed in the clamping block (4), and a limiting column (19) matched with the limiting hole (17) is arranged at the top end of the sliding groove (18).

2. A plug-in terminal according to claim 1, characterized in that: the bottom of first conducting strip (9) is equipped with U-shaped joint portion (20), first conducting strip (9) tightly paste and connect electric needle (8) lateral part to connect be equipped with on electric needle (8) with U-shaped joint groove (21) that U-shaped joint portion (20) agreed with mutually, first conducting strip (9) top is equipped with L shape joint portion (22), seted up on first wiring board (7) with L shape joint groove (23) that L shape joint portion (22) agreed with mutually.

3. A plug-in terminal according to claim 1, characterized in that: first retaining member (6) are the rivet with second retaining member (12), first retaining member (6) and second retaining member (12) are respectively with head rod (5) and second connecting rod (11) riveting cooperation.

4. A plug-in terminal according to claim 1, characterized in that: the limiting column (19) and the clamping block (4) are of an integrated structure.

5. A plug-in terminal according to claim 1, characterized in that: the inner side of the clamping block (4) is tightly attached to the side part of the power strip (10), and a guide bevel (24) is arranged on one side, close to the power strip (10), of the lower end of the clamping block (4).

6. A plug-in terminal according to claim 1, characterized in that: the first terminal assembly (1) further comprises a connecting plate (25) arranged at the bottom of the terminal block (3), a connecting screw hole (26) is formed in the connecting plate (25), and wing plates (27) used for abutting against the side portions of the clamping blocks (4) are arranged on two sides of the connecting plate (25).

7. A plug-in terminal according to claim 6, characterized in that: the lateral part of pressing from both sides tight piece (4) is equipped with first location convex part (28), be equipped with on pterygoid lamina (27) with first location hole (29) of first location convex part (28) looks adaptation, the bottom of terminal row (3) is equipped with second location convex part (30), be equipped with on connecting plate (25) with second location convex part (30) looks adaptation second locating hole (31).

8. A plug-in terminal according to claim 6, characterized in that: the clamping block (4) is provided with a cutting part (32) for embedding the wing plate (27).