CN216562966U

CN216562966U - Circuit breaker partition plate structure and circuit breaker

Info

Publication number: CN216562966U
Application number: CN202122460346.8U
Authority: CN
Inventors: 沈艳; 许路; 宋志文
Original assignee: Delixi Electric Co Ltd
Current assignee: Delixi Electric Co Ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-05-17
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a circuit breaker partition plate structure and a circuit breaker, wherein the circuit breaker partition plate structure comprises a wire outlet partition plate and a phase partition plate, the wire outlet partition plate is used for isolating an internal connection part and an external connection part of a wire outlet end, the phase partition plate is used for isolating adjacent phase wires, the wire outlet partition plate and the phase partition plate are integrally formed or fixedly connected, and a connecting part used for being connected with an external circuit breaker base is arranged on the wire outlet partition plate and/or the phase partition plate. The utility model can improve the assembly efficiency of the partition board.

Description

Circuit breaker partition plate structure and circuit breaker

Technical Field

The utility model relates to a switching element, in particular to a breaker partition plate structure and a breaker.

Background

The circuit breaker is a switching device which plays a role in protection in a low-voltage distribution network, namely the switching device which provides overload and short-circuit protection for a line. A molded case circuit breaker is one category of circuit breakers, and generally includes an outer case and one or more poles, each of which connects at least one fixed contact (i.e., a fixed contact) and one movable contact (i.e., a movable contact), which are closed or opened with respect to each other to embody a function of the circuit breaker to switch on or off a power circuit.

Although the molded case circuit breaker is mainly used in a low-voltage distribution network, the so-called low-voltage distribution network is a fatal voltage value for human bodies, in order to ensure the safety of operators, a partition plate is adopted in the circuit breaker to isolate an external connection part of an outlet end from an internal structure, and in order to ensure the insulation between phases, the partition plate is also used for separating the phases in the circuit breaker. Because moulded case circuit breaker generally has a plurality of leading-out terminals, the external part of every leading-out terminal all needs the baffle to keep apart, also needs to keep apart with the baffle between two adjacent looks, consequently installs the quantity of baffle more at every turn, need carry out a lot of assembly actions, and the installation effectiveness is low.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a circuit breaker and a circuit breaker partition plate structure, which can improve the assembly efficiency of the partition plate.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a circuit breaker baffle structure, is including the leading-out terminal baffle that is used for keeping apart leading-out terminal inscription part and external part, the looks space bar that is used for keeping apart adjacent phase line, its characterized in that, leading-out terminal baffle and looks space bar integrated into one piece or fixed connection, be provided with on leading-out terminal baffle and/or the looks space bar and be used for carrying out the connecting portion that is connected with outside circuit breaker base.

As a further improvement of the utility model, the outlet end partition plate and the phase partition plate are fixedly connected with the connecting part or integrally formed.

As a further improvement of the utility model, the connecting part is provided with an assembling groove for assembling with the circuit breaker base;

the direction of one side edge of the phase partition plate is consistent with the extending direction of the assembling groove;

and/or the direction of one side edge of the outlet end clapboard is consistent with the extending direction of the assembling groove.

As a further improvement of the utility model, the assembly groove comprises a side wall and a groove bottom, the phase separation plate and the outlet end partition plate are both positioned outside the assembly groove, and the position of the phase separation plate corresponds to the groove bottom of the assembly groove; the position of the outlet end clapboard corresponds to the side wall of the assembly groove.

As a further improvement of the utility model, the groove wall of the assembling groove is provided with a first convex rib, and when the assembling groove is assembled with the circuit breaker base, the first convex rib is abutted against the circuit breaker base;

and/or, the tank bottom of fitting groove is provided with the protruding muscle of second, and when fitting groove and circuit breaker base assembled, this protruding muscle of second offseted with the circuit breaker base.

As a further improvement of the utility model, the position of the first convex rib corresponds to the position of the connecting part connected with the baffle plate of the outlet end;

when the circuit breaker partition structure comprises the second convex rib, the position of the second convex rib corresponds to the position of the connecting part connected with the phase partition plate.

As a further improvement of the utility model, reinforcing ribs for forming plug-in connection with the circuit breaker base are arranged on two sides of the phase partition plate;

and/or, a groove is formed in one side of the phase partition plate and/or the wire outlet end partition plate, which corresponds to the upper cover of the circuit breaker, and is used for being matched with the upper cover of the circuit breaker for embedding.

As a further improvement of the present invention, the length of the connecting portion is smaller than the length of the phase separation plate, and an end of the phase separation plate is spaced apart from an end of the connecting portion by a distance in a direction toward the inside of the circuit breaker base.

Still provide a circuit breaker that can solve the same technical problem, including base and apron, install the circuit breaker baffle structure of above-mentioned arbitrary scheme on the base.

Based on the circuit breaker structure, the structure is further improved, wherein a groove is formed in one side, corresponding to the upper cover of the circuit breaker, of the phase partition plate and/or the wire outlet end partition plate and is used for being matched with the upper cover of the circuit breaker to be embedded; and the cover plate is provided with a bulge for embedding the groove at the position corresponding to the groove on the outlet end clapboard and/or the phase partition plate.

The utility model has the beneficial effects that:

1. five baffles link into an organic whole, can directly once only install when the installation baffle, and then reduce the installation number of times, improve the installation effectiveness.

2. Originally, need two kinds of materials (phase spacer, leading-out terminal baffle), the batching is also loaded down with trivial details, appears the unmatched condition of quantity easily, and the scheme after the optimization can also make things convenient for material management, improves production efficiency.

Drawings

FIG. 1 is a schematic view of the structure of the connection portion of the present invention cooperating with the partition plate and the phase partition plate of the outlet end;

FIG. 2 is another view of the connection portion, the partition plate of the outlet end and the partition plate of the phase separator according to the present invention;

FIG. 3 is a perspective view of the base structure of the present invention;

FIG. 4 is a schematic plan view of the base structure (without the spacer) of the present invention;

FIG. 5 is a schematic plan view of the base structure (equipped with the partition) of the present invention;

FIG. 6 is an enlarged view of the part A in FIG. 3;

FIG. 7 is an enlarged view of the portion B shown in FIG. 4;

fig. 8 is an enlarged schematic view of the structure of the portion C in fig. 5.

Reference numerals: 1. a base; 11. a wire outlet end; 12. a boss portion; 121. a connecting strip; 1211. a clamping and connecting plate; 1212. a groove is embedded; 13. inserting grooves; 2. a wire outlet end clapboard; 3. a phase partition plate; 31. reinforcing ribs; 4. a connecting portion; 41. assembling a groove; 411. a first rib; 412. and a second rib.

Detailed Description

The utility model will be further described in detail with reference to the following examples, which are given in the accompanying drawings.

As shown with reference to figures 1-8,

example 1

Referring to fig. 1 and 2, a circuit breaker baffle structure, including be used for keeping apart leading-out terminal inscription part and external part's leading-out terminal baffle 2, be used for keeping apart the looks division board 3 of adjacent phase line, leading-out terminal baffle 2 and looks division board 3 integrated into one piece or fixed connection, be provided with on leading-out terminal baffle 2 and/or the looks division board 3 and be used for carrying out the connecting portion 4 that is connected with outside circuit breaker base 1.

In the above scheme, the lead-out end partition plate 2 and the phase partition plate 3 are fixedly connected into a whole or are directly integrally formed, and each partition plate can be installed in place only by one-step installation during installation, so that the problem of low installation efficiency caused by multi-step installation in the prior art is solved.

In addition, the position of the connection portion 4 may also be changed, and in this embodiment, as described in detail below, with reference to fig. 1 and 2, a circuit breaker partition plate structure includes a leading-out end partition plate 2 for isolating the leading-out end 11 from the external portion, and a phase partition plate 3 for isolating adjacent phases, where a connection portion 4 for connecting with the external circuit breaker base 1 is provided between the leading-out end partition plate 2 and the phase partition plate 3, and both the leading-out end partition plate 2 and the phase partition plate 3 are fixedly connected with the connection portion 4.

The existing moulded case circuit breaker adaptive three-phase power generally has three outlet terminals 11, adjacent phases need to be isolated through a phase partition plate 3, and the external connection part of the outlet terminal 11 also needs to be isolated through an outlet terminal partition plate 2, so that the safety is improved. The two partition boards can be made of melamine or epoxy materials. Thus, the prior art assembly scheme typically requires five assemblies, two phase spacers 3 and three outlet end spacers 2.

Connect outlet end baffle 2 and looks space bar 3 through connecting portion 4 in this scheme, concrete connecting portion 4 can adopt two connecting portion 4 of the same structure to fix five baffles, and this kind of is fixed can adopt integrated into one piece's mode, also can adopt welded fastening's mode. Utilize connecting portion 4 to link into an organic whole five baffles, can directly once only install when the installation baffle, and then reduce the installation number of times, improve the installation effectiveness. And originally need two kinds of materials, the batching is also loaded down with trivial details, appears the unmatched condition of quantity easily, and the scheme after the optimization can also make things convenient for material management, improves production efficiency.

The specific connecting portion 4 may actually adopt a projection for clamping, each partition is fixed or integrally formed on the projection, and the projection is used for mounting with the circuit breaker, and the projection and the circuit breaker may be clamped or slidably inserted. The selection can be made by one skilled in the art as desired.

Example 2

Referring to fig. 1 and 2, this embodiment optimizes connecting portion 4 on the basis of embodiment 1, adopts the mode of pegging graft to connect, wherein sets up the assembly groove 41 that is used for with the assembly of circuit breaker base 1 of run-through connecting portion 4 along its length direction on connecting portion 4, and the both sides cell wall of assembly groove 41 is provided with first protruding muscle 411, and two first protruding muscle 411 set up relatively, and when assembly groove 41 and circuit breaker base 1 assembled, two first protruding muscle 411 offset with circuit breaker base 1.

The direction of one side edge of the phase partition plate 3 is consistent with the extending direction of the assembling groove; the direction of one side edge of the outlet end clapboard 2 is consistent with the extending direction of the assembling groove.

In the above scheme, the position that corresponds the assembly groove 41 on the circuit breaker sets up the arch, utilizes arch and assembly groove 41 to carry out unsmooth cooperation assembly, when connecting portion 4 is pegged graft through assembly groove 41 with the arch on the circuit breaker, two first protruding muscle 411 on the assembly groove 41 can offset with the bellied side in the circuit breaker, form the location grafting effect to can reduce friction area, it is more convenient to let the grafting assembly, also can reduce wearing and tearing.

In this embodiment, in order to further optimize the strength of the outlet end partition 2, the position of the first rib 411 corresponds to the position where the connecting portion 4 is connected to the outlet end partition 2. When first protruding muscle 411 offsets with protruding, can utilize first protruding muscle 411 to come the reaction to give the terminal baffle 2 with the help of bellied support intensity, and then play the effect of intensive support to terminal baffle 2 with the help of protruding, reduce the intensity requirement to connecting portion 4.

As an alternative to this in this embodiment,

the assembly groove 41 comprises a side wall and a groove bottom, the partition board 3 and the outlet end partition board 2 are located outside the assembly groove 41, the partition board 3 corresponds to the groove bottom of the assembly groove 41, and the outlet end partition board 2 corresponds to the side wall of the assembly groove 41.

Further specifically, the bottom of the fitting groove 41 is provided with a second rib 412, the position of the second rib 412 corresponds to the position of the partition plate 3, and when the fitting groove 41 is fitted to the circuit breaker base 1, the second rib 412 abuts against the circuit breaker base 1. The three convex ribs are arranged at the moment and respectively correspond to the three surfaces of the convex side surfaces, the friction area can be further reduced by utilizing the matching of the three convex ribs, the second convex rib can be used for reacting the convex strength for the phase partition plate 3, and the effect of strength optimization is further played for the phase partition plate 3.

Example 3

In view of the solution of embodiment 2, this solution is further optimized in that the fitting groove 41 forms a space for engaging with the circuit breaker base 1 by the first rib 411 and the second rib 412 in cooperation with the groove bottom.

Referring to fig. 1 and 2, through the structure of joint on the cooperation circuit breaker base 1, when the protruding on the cooperation circuit breaker base 1 of assembly groove 41 was inserted and is assembled, the space that forms between the first protruding muscle 411 of structure cooperation and the protruding muscle 412 of second and the tank bottom of joint carries out the joint, and then stabilizes connecting portion 4's assembly, makes it more difficult shake or skew, lets the fixed effect of each baffle more stable.

In order to further improve the fixing effect, two sides of the partition plate 3 are provided with a reinforcing rib 31 for forming a plug-in connection with the circuit breaker base 1 corresponding to the length direction of the position connection part 4 of the circuit breaker base 1. When connecting portion 4 assembles when targetting in place, utilize the position of grafting strip and circuit breaker base 1 contact to peg graft, can let the fixed more firm of connecting portion 4 bottom, cooperate with the joint structure on the above-mentioned base 1 and can let connecting portion 4 each department all obtain effectively spacing, and then let each baffle be in stable assembly state.

Example 4

Referring to fig. 3-8, a circuit breaker includes a base 1 and a cover plate, any partition structure scheme in embodiments 1-3 is installed on the base 1, and the cover plate is used for covering, the cover plate compresses the connecting portion 4 and/or the wiring end partition and/or the phase partition 3 for fixing, the compressing scheme can be provided with a groove on the cover plate, when the cover plate is covered with the base 1, the connecting portion 4 and/or the wiring end partition and/or the phase partition 3 can be embedded in the groove, so that the top can be inserted, and the omnibearing limit can be completed. This scheme is based on the baffle structure mentioned in embodiment 1 ~ 3, can adapt this baffle structure and assemble.

Example 5

Referring to fig. 3-8, the present embodiment is a more specific circuit breaker, and includes a base 1 and a cover plate, where the base 1 has an outlet 11, and the outlet 11 has a plurality of external parts, adjacent external parts are separated by a protrusion 12 on the base 1, the external parts are further separated inside and outside by an outlet partition 2, adjacent phase nodes in the base 1 are separated by a partition 3, a connecting strip 121 extending along the protruding direction of the protrusion 12 is disposed on one surface of the protrusion 12 facing the inside of the base 1, a connecting portion 4 for connecting with an external circuit breaker base 1 is disposed between the outlet partition 2 and the partition 3, the outlet partition 2 and the partition 3 are both fixedly connected with the connecting portion 4, and the connecting portion 4 is fitted with the connecting strip 121.

Referring to fig. 8, a connecting strip 121 is arranged on a protruding portion 12 on a base 1, and the connecting strip 121 and a connecting portion 4 are installed in a matched manner, the installation manner may be an insertion-connection matching manner, specifically, an assembling groove 41 which penetrates through the connecting portion 4 and is used for assembling with the protruding portion 12 is formed in the connecting portion 4 along the protruding direction of the protruding portion 12, two side groove walls of the assembling groove 41 are provided with first protruding ribs 411, and the two first protruding ribs 411 are arranged oppositely; the bottom of the assembling groove 41 is provided with a second convex rib 412; when the fitting groove 41 is fitted with the boss 12, the three ribs abut against the three faces of the connecting bar 121, respectively.

In this scheme, utilize the assembly groove 41 that has through connection portion 4 and bellying 12 to carry out the grafting assembly, contradict the three surface of bellying 12 respectively through three protruding muscle in the in-process of grafting assembly, reduce area of contact when the location.

The length, thickness, width, etc. of the protruding portion 12 may be varied according to actual needs of those skilled in the art, and reference is made only to the drawings in the specification, and the variation may be adapted actually.

In addition, as a preferable scheme of the present embodiment, the positions of the first ribs 411 on the groove walls on both sides of the assembling groove 41 correspond to the position of the connecting part 4 connected to the outlet end partition board 2; the position of the second rib 412 on the bottom of the fitting groove 41 corresponds to the position of the partition plate 3. A clamping plate 1211 is fixedly connected to one surface of the connecting strip 121 facing the inside of the base 1, a connecting space for connecting the clamping plate 1211 is formed by the first ribs 411 on the groove walls of the two sides of the assembling groove 41 and the groove bottom of the assembling groove, when the connecting portion 4 is installed on the connecting strip 121, the clamping plate 1211 is located in the connecting space, and the connecting portion 4 and the clamping plate 1211 form a clamping connection.

Referring to fig. 6 and 7, a clamping plate 1211 is disposed on a surface of the connecting bar 121 in the protruding direction, and the clamping plate 1211 can be clamped by matching with the first rib 411, so as to enhance the positioning effect and limit the shaking of the connecting portion 4. The size of the connecting portion 4 is adapted to the connecting space, and the clamping plate 1211 and the connecting strip 121 can be integrally formed by injection molding. In a preferred embodiment, the length of the clamping plate 1211 may be less than the length of the connecting strip 121, and is mainly used for positioning the bottom of the connecting portion 4, which may save material for injection molding to some extent.

In a further arrangement, the position of the clamping plate 1211 corresponding to the second rib 412 on the bottom of the assembling groove 41 is provided with an embedded groove 1212 along the protruding direction of the protruding portion 12, and when the connecting portion 4 is clamped with the clamping plate 1211, the second rib 412 is located in the embedded groove 1212.

Referring to fig. 8, by the arrangement of the insertion groove 1212, the second rib 412 can be inserted into the insertion groove 1212, the rib 411 on both sides of the assembly groove 41 surrounds the fastening plate 1211 to form a fastening connection, and the second rib 412 at the bottom of the assembly groove 41 is inserted into the assembly groove 41 to limit the second rib 412, so that the fixing effect of the connecting portion 4 is very stable. Of course, the second rib 412 inserted into the fitting groove 41 is not inserted/inserted in a full size, and the specific size can be adjusted, but the insertion means that the second rib is not fixedly inserted, and is inserted in a sliding manner.

It should be noted that, in the embodiment, technical effects achieved by partial cooperation are already detailed in the foregoing embodiment, and reference may be made to the description of the foregoing embodiment in the embodiment.

Example 6

Referring to fig. 3 to 8, on the basis of the embodiment 5, it is further optimized that the length of the connecting portion 4 is smaller than that of the partition plate 3, and the end of the partition plate 3 facing the base 1 has a length difference from the connecting portion 4.

It should be firstly explained that, the base 1 of the circuit breaker needs to be plugged with a plurality of partitions, and corresponding slots are necessarily configured, and the slots are also existed in the prior art, so the existing slots are not specifically described in this embodiment and the foregoing embodiments, for example, the terminal partitions and the end portions of the phase partition plates 3 far away from the connecting portion 4 are necessarily needed to be plugged with the base 1 in a matching manner, and the corresponding slots are definitely provided on the base 1, which can be specifically referred to as shown in the attached drawings. Of course, the length of the outlet end partition plate 2 can be adjusted according to the specific implementation, and the length of the outlet end partition plate 2 can be the same as the connecting part 4, the same as the phase partition plate 3, or certainly can be in between.

On the basis of this explanation, the assembly process of the connecting portion 4 and/or the phase separator 3 toward and/or the terminal spacer will be explained in detail below, although the assembly process is also applicable to the foregoing embodiments.

Referring to fig. 1 and 2, since there is a length difference between one end of the partition board 3 facing the base 1 and the connection portion 4, there is no connection portion 4 at the position of the length difference, at this time, the insertion position of the partition board 3 is equivalent to a flat plate, in the insertion process, the end of the partition board 3 far from the connection portion 4 is firstly inserted into the slot existing on the base 1, the partition board 3 can be positioned through the slot first, and the connection portion 4 is inserted into the connection bar 121 as the depth of the partition board 3 exceeds the length difference, at this time, due to the positioning function of the slot, the matching between the three ribs and the connection bar 121 can be more directly and effectively performed, the assembly efficiency is improved, and at the same time, the matching effect of the subsequent insertion of the card 1211 when the insertion depth is deeper can be improved, and the assembly of the card 1211 can be more efficiently performed.

Example 7

Referring to fig. 3-8, this embodiment is a further optimization of embodiment 6, and in addition to the solution of embodiment 6, a reinforcing rib 31 extending along the length direction of the partition plate 3 is disposed at a position where there is a length difference between the partition plate 3 and the connecting portion 4, and a mating groove 13 is disposed on the base 1 corresponding to the reinforcing rib 31, and when the connecting portion 4 and the connecting bar 121 are assembled in place, the reinforcing rib 31 is mated in the mating groove 13.

Referring to fig. 1, 2, 7 and 8, the length of the connecting portion is less than that of the partition plate, and the end of the partition plate is spaced apart from the end of the connecting portion by a distance in a direction toward the inside of the circuit breaker base. Due to the difference in length between the connecting portion 4 and the partition plate 3, a portion of the partition plate 3 may have insufficient strength, and may be easily broken or bent due to misalignment during insertion, or may be bent due to stress during material storage.

Through setting up strengthening rib 31, can improve on the one hand and separate the intensity that there is the length difference position in board 3 and connecting portion 4 mutually, on the other hand can cooperate inserting groove 13 to peg graft, and under the effect of should pegging graft, can let the joint strength of 3 bottoms of looks division board also obtain promoting, also improves the location effect simultaneously, makes its steadiness further obtain promoting.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a circuit breaker baffle structure, is including the leading-out terminal baffle that is used for keeping apart leading-out terminal inscription part and external part, the looks space bar that is used for keeping apart adjacent phase line, its characterized in that, leading-out terminal baffle and looks space bar integrated into one piece or fixed connection, be provided with on leading-out terminal baffle and/or the looks space bar and be used for carrying out the connecting portion that is connected with outside circuit breaker base.

2. The circuit breaker bulkhead structure of claim 1, wherein the outlet end bulkhead and the phase divider are fixedly connected to or integrally formed with the connecting portion.

3. The circuit breaker partition structure of claim 1, wherein the connecting portion is formed with an assembling groove for assembling with a circuit breaker base;

4. The circuit breaker partition structure of claim 3,

the assembly groove comprises a side wall and a groove bottom, the phase separation plate and the outlet end partition plate are positioned outside the assembly groove, and the position of the phase separation plate corresponds to the groove bottom of the assembly groove; the position of the outlet end clapboard corresponds to the side wall of the assembly groove.

5. The circuit breaker partition structure of claim 4,

the wall of the assembly groove is provided with a first convex rib, and when the assembly groove is assembled with the circuit breaker base, the first convex rib is abutted against the circuit breaker base;

6. The circuit breaker bulkhead structure of claim 5, wherein the first rib is positioned to correspond to the position of the connection section to the outlet end bulkhead;

7. The circuit breaker partition structure according to any one of claims 1 to 6, wherein reinforcing ribs for forming a plug-in connection with a circuit breaker base are provided on both sides of the phase partition;

8. The circuit breaker partition structure of any one of claims 1 to 6, wherein the connecting portion has a length less than that of the phase partition plate, and an end of the phase partition plate is spaced apart from an end of the connecting portion by a distance in a direction directed toward an inside of the circuit breaker base.

9. A circuit breaker comprising a base and a cover, wherein the base has mounted thereon a circuit breaker barrier construction according to any one of claims 1 to 8.

10. The circuit breaker of claim 9, wherein the cover plate is provided with a protrusion for fitting into the groove at a position corresponding to the groove on the outlet end partition and/or the phase partition.