CN210429709U - Movable terminal in circuit breaker wiring terminal - Google Patents

Abstract

The movable terminal comprises a movable terminal frame, a plurality of inserting columns corresponding to the inserting holes in the movable terminal frame, and a conducting strip is fixed on each inserting column; the insertion column is of a strip structure, the section of the insertion column is S-shaped, and the conducting strips are arranged on the upper surface and the lower surface of the insertion column. Binding post in this application is quiet terminal and moves the bayonet structure of terminal, moves the terminal, and the cross-section is the spliced pole shaping convenience of S-shaped, and the mould is with low costs, and the spliced pole that the cross-section is the S-shaped simultaneously is inserting the in-process of pressurized, and upper and lower both sides can produce certain deformation, and consequently the assembly back firmness is high, is difficult for deviating from, strong adaptability.

Description

Movable terminal in circuit breaker wiring terminal

Technical Field

The utility model belongs to circuit breaker contact terminal field, concretely relates to move terminal among circuit breaker binding post.

Background

A terminal is an accessory for realizing electrical connection, and is often used as a connector in the electrical industry. Along with the industrial automation degree is higher and the industrial control requirement is stricter and more accurate, binding post's quantity rises gradually, and binding post's application range is wider and wider simultaneously, and the kind is also more and more moreover, is the convenient, firm and reliable product of wide use in present miniature circuit breaker or electric leakage circuit breaker.

Among the prior art, chinese utility model patent with publication number CN206947271 discloses a binding post and connection structure therein of circuit breaker, and this connecting terminal is bayonet moving terminal and quiet terminal complex structure, nevertheless it is not very convenient in the assembly and disassembly process, it is still not very firm to the fixed of contact piece seat in the quiet terminal, it is also more troublesome to install and remove, and the spliced pole structure in the moving terminal is more traditional, and the assembly is troublesome, and technology, mould are with high costs.

In addition, in the movable terminal of the wiring terminal in the prior art, the insertion column on the movable terminal has a single structure, does not have deformability, is not firmly fixed to the conducting strip, and has poor guiding capability when being matched and assembled with the static terminal.

Therefore, to the one and more problems that still exist among the above prior art, the utility model discloses to circuit ware binding post, especially carried out further research to the terminal that moves among the binding post, make the assembly more simple and convenient, rational in infrastructure simultaneously, it is with low costs.

SUMMERY OF THE UTILITY MODEL

Not enough to above prior art, the utility model provides a move terminal among binding post, structural design is reasonable, and the spliced pole novel structure, conducting strip convenient assembling and firm has certain deformability simultaneously, and is firm after the assembly.

In order to solve the above technical problem, the present invention solves the above technical problems.

The movable terminal comprises a movable terminal frame, a plurality of inserting columns corresponding to the inserting holes in the movable terminal frame, and a conducting strip is fixed on each inserting column; the insertion column is of a strip structure, the section of the insertion column is S-shaped, and the conducting strips are arranged on the upper surface and the lower surface of the insertion column.

Binding post in this application is quiet terminal and moves the bayonet structure of terminal, moves the terminal, and the cross-section is the spliced pole shaping convenience of S-shaped, and the mould is with low costs, and the spliced pole that the cross-section is the S-shaped simultaneously is inserting the in-process of pressurized, and upper and lower both sides can produce certain deformation, and consequently the assembly back firmness is high, is difficult for deviating from, strong adaptability.

In a preferred embodiment, guide insertion posts corresponding to the guide insertion holes are provided at both sides of the movable terminal frame.

In a preferred embodiment, in the movable terminal, the insertion column and the movable terminal frame are integrally formed, so that the process is simple and the mold cost is low.

In a preferred embodiment, a bayonet is provided at a position where the rear end of the insertion post is connected to the movable terminal holder, and the end of the conductive piece is caught in the bayonet, for example, a barb-shaped protrusion is provided at the end of the conductive piece, and the conductive piece is inserted into the bayonet and then caught without being released.

In a preferred embodiment, the insertion column has limiting bending portions at upper and lower portions of the S-shaped structure, and the front end of the conductive sheet is bent and then clamped in the limiting bending portions, for example, the front end of the conductive sheet is bent downward or upward and then clamped in the limiting bending portions, so that the conductive sheet cannot be separated.

In a preferred embodiment, in the movable terminal, a cover plate capable of being turned up is arranged on the outer side of the movable terminal frame. Among the prior art, the outside of moving the terminal is exposed, perhaps has the cover plate through the screw fixation, and the installation is troublesome with dismantling, and in this application, the assembly process has been simplified greatly to the apron that can turn up.

In a preferred embodiment, at least one positioning column is arranged on one side of the cover plate facing the movable terminal rack, and a first positioning bulge is arranged on the positioning column; the outer side of the movable terminal frame is provided with a positioning cavity, a positioning groove is formed in the positioning cavity, and the first positioning protrusion can be clamped into the positioning groove. The utility model provides a apron, when satisfying to turn up, cover the function, it is high to cover back firmness. After the positioning column is covered, the positioning column is inserted into the positioning cavity, and meanwhile, the first positioning protrusion can be clamped into the positioning groove to realize fixation, and the positioning column cannot be separated easily and can be turned up forcibly.

In a preferred embodiment, the back side of the positioning column is provided with a reinforcing rib for increasing strength.

Compared with the prior art, the utility model discloses following beneficial effect has: the movable terminal in the wiring terminal of the circuit breaker is provided, the structural design is reasonable, the guidance quality is good during assembly, and the movable terminal is not easy to insert askew; the plug-in column with the S-shaped section has certain deformation capacity and is firm after assembly; meanwhile, the cover plate is arranged, so that the cover plate is convenient to turn up and cover.

Drawings

Fig. 1 is a first schematic perspective view of the connection terminal of the present invention.

Fig. 2 is a schematic perspective view of a connection terminal according to the present invention.

Fig. 3 is a third schematic perspective view of the connection terminal of the present invention.

Fig. 4 is a first perspective view of the stationary terminal of the present invention.

Fig. 5 is a second schematic perspective view of the stationary terminal of the present invention.

Fig. 6 is a schematic perspective view of the stationary terminal of the contact sheet holder of the present invention.

Fig. 7 is a first perspective view of the stationary terminal holder according to the present invention.

Fig. 8 is a second perspective view of the stationary terminal holder according to the present invention.

Fig. 9 is a third schematic perspective view of the stationary terminal holder of the present invention.

Fig. 10 is an enlarged view of the region C in fig. 9.

Fig. 11 is a schematic perspective view of a contact sheet holder according to the present invention.

Fig. 12 is a schematic structural diagram of a contact sheet holder according to the present invention.

Fig. 13 is an enlarged view of region E in fig. 12.

Fig. 14 is a front view of the movable terminal of the present invention.

Fig. 15 is a rear view of the movable terminal of the present invention.

Fig. 16 is an enlarged view of the area a in fig. 14.

Fig. 17 is an enlarged view of the region B in fig. 15.

Fig. 18 is a first perspective view of the movable terminal of the present invention.

Fig. 19 is a second perspective view of the movable terminal of the present invention.

Fig. 20 is an enlarged view of region F in fig. 19.

Fig. 21 is a first perspective view of a cover plate according to the present invention.

Fig. 22 is a second perspective view of the cover plate according to the present invention.

Fig. 23 is an enlarged view of a region D in fig. 22.

Fig. 24 is a first perspective view of the conductive sheet of the present invention.

Fig. 25 is a second perspective view of the conductive sheet of the present invention.

Fig. 26 is a partial structural diagram of the assembled insertion post and conductive sheet on the movable terminal.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not construed as limiting the present invention, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it is to be understood that the term: the center, vertically, transversely, length, width, thickness, upper and lower, preceding, back, left and right, vertical, level, top, end, inside and outside, clockwise, anticlockwise etc. indicate position or positional relationship for based on the position or positional relationship that the drawing shows, just for the convenience of description the utility model discloses and simplified description, consequently can not be understood as the restriction of the utility model. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. In the description of the present invention, unless explicitly stated or limited otherwise, the terms: mounting, connecting, etc. should be understood broadly, and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.

Referring to fig. 1 to 26, the present invention relates to a circuit breaker connecting terminal, which comprises a fixed terminal 1 and a movable terminal 2, wherein the fixed terminal and the movable terminal are mutually inserted and matched, and the structure is as follows.

As shown in fig. 4 to 9, a stationary terminal 1 of a wire connecting terminal, as can be seen from the figures, the stationary terminal 1 includes a stationary terminal frame 11, and a plurality of ribs 17 are provided on the stationary terminal frame 11; the contact piece holder is characterized by further comprising a plurality of contact piece holders 13, the contact piece holders 13 are clamped in the convex ribs 17 on the static terminal frame 11 to realize positioning, and the contact piece holders 13 are provided with inserting holes 131; two sides of the static terminal frame 11 are provided with guide jacks 12, specifically, a shell of the static terminal frame 11 protrudes outwards to form a bending structure, the guide jacks 12 are bending cavities of the bending structure, and the integrally formed structure is low in cost; the back of the stationary terminal holder 11 is provided with a fitting projection 15 and at least one elastic catch 16, and the elastic catch 16 is disposed at the end of the guide insertion hole 12. And a label 14 is arranged on the outer side of the static terminal rack 11, so that a corresponding line and a corresponding socket can be conveniently searched.

Specifically, in the present application, the protruding ribs 17 include an upper protruding rib 171 at the upper end of the contact holder 13 and a lower protruding rib 172 at the lower end of the contact holder 13, and adjacent contact holders 13 are separated by the upper protruding rib 171 and the lower protruding rib 172; the fixed terminal frame 11 is further provided with transverse ribs 173 on the outer sides of the upper ribs 171 and the lower ribs 172; the upper end of the contact piece seat 13 is provided with an upper clamping part 136, and the lower end of the contact piece seat 13 is provided with a lower clamping part 137. In this structure, the upper convex rib 171 and the lower convex rib 172 restrict the left-right movement of the contact sheet holder 13, and the transverse convex rib 173 prevents the contact sheet holder 13 from coming off, so that the overall firmness after assembly is high, and the contact sheet holder 13 does not have the phenomena of shaking, deviating and the like.

In addition, in the present application, the back of the fixed terminal holder 11 is provided with a plurality of assembling protrusions 15 and an elastic clamping piece 16, the end of the elastic clamping piece 16 is provided with a protrusion 161, the elastic clamping piece 16 is arranged in a clamping piece cavity 162, and the clamping piece cavity 162 is arranged at the tail end of one of the guiding insertion holes 12. In this structure, assembly lug 15 is used for assembling the binding post block to the exterior structure, and when the assembly is accomplished the back, elasticity card 16 also blocks into the exterior structure, prevents to deviate from, guarantees the stability of assembly. When the wiring terminal needs to be disassembled, components such as steel wires can be used for extending into the guide insertion hole 12, the elastic clamping piece 16 is hooked, the clamping state is relieved, and the wiring terminal can be conveniently disassembled.

As shown in fig. 11 to 13, in the contact sheet holder 13 of the present application, as can be seen from the figures, the upper end and the lower end of the contact sheet holder 13 are provided with the clamping portions which can be clamped into the protruding ribs 17 to achieve positioning, and the contact sheet holder is firm and not easy to be separated after being assembled. In addition, in the contact sheet holder 13, conductive elastic sheets 18 contacting with the conductive sheets on the plug posts 22 are arranged on the upper and lower sides of the plug holes 131, the conductive elastic sheets 18 are arranged in an elastic sheet cavity 185, and contacts 181 formed by bending are arranged on the conductive elastic sheets 18, and the contacts 181 extend out of openings on the elastic sheet cavity 185 and enter the plug holes 131. In the structure, after the inserting column 22 is inserted into the inserting hole 131, the contact 181 on the conductive elastic sheet 18 is always in contact with the conductive sheet, the conductive elastic sheet 18 can be deformed by pressure in the elastic sheet cavity 185, and the generated deformation elastic force enables the contact stability and the conductivity to be good. Each contact pad holder 13 is provided with two insertion holes 131 arranged up and down, and the conductive elastic sheet 18 in each insertion hole 131 is connected to the wiring cavity 132 through a conductive structure. The outer end of the conductive elastic sheet 18 is clamped on the opening edge 135 to play a role of limiting and releasing.

Furthermore, in the contact sheet holder 13, a supporting point 138 is disposed in the spring sheet cavity 185 and abuts against the conductive spring sheet 18, and the supporting point 138 presses the contact 181 into the insertion hole 131. If the supporting point 138 is absent, the conductive elastic sheet 18 may generate an elastic force to drop due to elastic deformation during a long-time plugging use process, so that the contact 181 may not be in good contact with the conductive sheet. In this structure, the supporting point 138 presses the conductive elastic sheet 18 to ensure sufficient elastic force to make the contact 181 contact the conductive sheet well.

In addition, the upper region of the insertion hole 131 is provided with a boss 139, and the boss 139 abuts against the upper edge of the movable terminal 2 after assembly, so that the whole structure is compact and stable after assembly, and the firmness is high.

As shown in fig. 14 to 20, in the moving terminal 2 of the present application, as can be seen from the drawings, the moving terminal 2 includes a moving terminal frame 21, a plurality of inserting columns 22 corresponding to the inserting holes 131 on the moving terminal frame 21, and a conductive sheet is fixed on the inserting columns 22; the plug column 22 is of a strip structure, the cross section of the plug column is S-shaped, and the conducting strips are arranged on the upper surface and the lower surface of the plug column 22; and guide inserting columns 23 corresponding to the guide inserting holes 12 are arranged on two sides of the movable terminal frame 21. The left side and the right side of the insertion column 22 with the S-shaped section are respectively provided with the cavity 221, so that the insertion column 22 has certain compression deformation performance on the whole, is more convenient to insert and is firm after being inserted.

In addition, in this application, the outside of moving terminal frame 21 is equipped with cavity 24, is equipped with bayonet 241 on the position that the rear end of grafting post 22 is connected with moving terminal frame 21, and bayonet 241 is located in cavity 24, and the terminal card of conducting strip is in this bayonet 241, can not deviate from. Specifically, in this application, in the inserting column 22, the upper and lower department of its S-shaped structure has spacing kink 222, as shown in fig. 24~26, form kink 91 after the front end of conducting strip 9 is buckled, this kink 91 card is in this spacing kink 222, be difficult for deviating from, the main part of conducting strip 9 is pasted on the upper surface/lower surface of inserting column 22, the rear end of conducting strip 9 is equipped with insertion portion 92 simultaneously, be equipped with fin 921 on this insertion portion 92, during the assembly, insertion portion 92 inserts in bayonet 241, fin 921 card is on bayonet 241 simultaneously, can not deviate from, reach the firm purpose of assembly.

In the application, the inserting column 22 and the movable terminal frame 21 are integrally formed, the process is simple, and the mold cost is low.

As shown in fig. 21 to 23, in the structure of the cover plate 25 in the present application, as can be seen from the figures, the cover plate 25 capable of being turned up is disposed on the outer side of the movable terminal frame 21, and the cover plate 25 and the movable terminal frame 21 are rotatably assembled through the first pivot member 215, the second pivot member 251 and the rotating shaft, so that the assembly process of the cover plate 25 capable of being turned up is greatly simplified. In addition, as can be seen from the figure, two positioning pillars 252 are arranged on one side of the cover plate 25 facing the movable terminal rack 21, and a first positioning protrusion 253 and a second positioning protrusion 255 are arranged on the positioning pillars 252; the outside of moving terminal frame 21 is equipped with location chamber 27, be equipped with positioning groove 271 in the location chamber 27, first location arch 253 can be gone into in the positioning groove 271, and second location arch 255 supports the outside at location chamber 27 simultaneously to depressed area 254 between first location arch 253 and the second location arch 255 just supports on the border at location chamber 27, and stability is high, and the dorsal part of reference column 252 is equipped with strengthening rib 256, increases intensity. The utility model provides a apron, when satisfying to turn up, cover the function, it is high to cover back firmness. After being covered, the positioning post 252 is inserted into the positioning cavity 27, and the first positioning protrusion 253 can be clamped into the positioning groove 271, so that the fixing is realized, the fixing cannot be easily separated, and the fixing can be realized by applying force when the positioning post is required to be turned up.

It can be seen from the above description that the connection terminal in the present application is an insertion structure of the static terminal 1 and the movable terminal 2, in the insertion process, the guiding insertion column 23 is partially inserted into the guiding insertion hole 12 to achieve positioning, then in the further insertion process, the insertion column 22 gradually enters the insertion hole 131, and after the insertion is completed, the assembly is completed, and in the process, the insertion guidance performance is good, and the operation is convenient. In addition, in this application, contact piece seat 13 is fixed firm, and the section is the spliced pole shaping of S-shaped convenient, and the mould is with low costs, and the spliced pole that the section is the S-shaped simultaneously is inserting the in-process of pressurized, and upper and lower both sides can produce certain deformation, and consequently the assembly back firmness is high, is difficult for deviating from, strong adaptability.

The utility model provides a circuit breaker connecting terminal and movable terminal thereof, which has reasonable structural design, good guidance quality during assembly, uneasy insertion, high firmness after assembly, good contact of conducting strips and stable conducting performance; the plug-in column with the S-shaped section has certain deformation capacity and is firm after assembly; meanwhile, the cover plate is arranged, so that the cover plate is convenient to turn up and cover.

The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.

Claims (8)

1. Move the terminal among the circuit breaker binding post, move terminal (2) including moving terminal frame (21), be equipped with a plurality of plug-in post (22) on moving terminal frame (21), be fixed with conducting strip, its characterized in that on plug-in post (22): the plug column (22) is of a strip structure, the cross section of the plug column is S-shaped, and the conducting strips are arranged on the upper surface and the lower surface of the plug column (22).

2. The moving terminal of a circuit breaker connecting terminal according to claim 1, wherein guide pins (23) are provided on both sides of the moving terminal frame (21).

3. The moving terminal of claim 1, wherein the movable terminal (2) is formed by integrally forming the plug post (22) with the movable terminal holder (21).

4. The moving terminal of the connecting terminal of the circuit breaker according to claim 1, wherein a bayonet (241) is provided at a position where the rear end of the inserting column (22) is connected to the moving terminal frame (21), and the end of the conductive sheet is clamped in the bayonet (241).

5. The moving terminal of claim 1, wherein the inserting column (22) has a limiting bending part (222) at the upper and lower parts of the S-shaped structure, and the front end of the conducting strip is bent and then clamped in the limiting bending part (222).

6. The moving terminal of the circuit breaker connecting terminal of claim 1, characterized in that, in the moving terminal (2), the outer side of the moving terminal frame (21) is provided with a cover plate (25) which can be turned up.

7. The moving terminal of the circuit breaker connecting terminal of claim 6, wherein the cover plate (25) is provided with at least one positioning column (252) on one side facing the moving terminal frame (21), and the positioning column (252) is provided with a first positioning protrusion (253); the outer side of the movable terminal frame (21) is provided with a positioning cavity (27), a positioning groove (271) is formed in the positioning cavity (27), and the first positioning protrusion (253) can be clamped into the positioning groove (271).

8. The moving terminal of claim 7, wherein the back side of said positioning post (252) is provided with a rib (256).

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