CN218471865U - Connecting frame and circuit breaker - Google Patents

Abstract

The utility model belongs to the technical field of the circuit breaker, a link and circuit breaker is disclosed. The link is used for connecting the metal support of release and operating device, and this link includes body, spliced pole and buckle subassembly. The connecting column is arranged on the first end face of the body, a connecting hole is formed in the release, and the connecting column is inserted into the connecting hole; the buckle assembly is arranged on the second end face of the body and is clamped with the metal support. The connecting frame is used as a bridge for connecting the release with the operating mechanism, so that the common release can be suitable for various operating mechanisms, and the universality of the release is improved.

Description

Connecting frame and circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field especially relates to a link and circuit breaker.

Background

At present, a release in the existing residual current operated circuit breaker needs to be matched with an operating mechanism, and basically, a release matched with the operating mechanism needs to be adopted by adopting a certain operating mechanism. Taking ABB F362 series products and meko electric RCCB products as examples, the release is fixed on a metal bracket of the operating mechanism by screws, and since the metal bracket is generally made by a sheet metal stamping process, the shape characteristics of the metal bracket are difficult to change, because two bosses are required to be arranged on the release for fixing in order to adapt to the shape of the metal bracket, the common release cannot be adapted to the metal bracket, and the universality is poor.

Therefore, it is desirable to provide a connecting rack and a circuit breaker to solve the above problems.

SUMMERY OF THE UTILITY MODEL

According to the utility model discloses an aspect, the utility model provides a link serves as the bridge that the release links to each other with operating device for ordinary release can be applicable to various operating device, has improved the commonality of release, has reduced the research and development cost of release.

To achieve the purpose, the utility model adopts the following technical proposal:

the link for connecting release and operating device's metal support includes:

a body;

the connecting column is arranged on the first end face of the body, a connecting hole is formed in the release, and the connecting column is inserted into the connecting hole;

and the buckle assembly is arranged on the second end face of the body and is clamped with the metal support.

Optionally, the method further comprises:

the spring piece fixing part is arranged on the first end face, a slot is formed in the spring piece fixing part, the slot extends from the side wall of the spring piece fixing part to the inside of the spring piece fixing part, and the end part of the spring piece of the circuit breaker is connected with the slot in an inserting mode.

Optionally, a clamping hole is formed in the upper end face of the spring fixing portion and communicated with the slot, an elastic sheet is arranged at the end portion of the spring piece, and the elastic sheet is clamped with the clamping hole after the end portion of the spring piece is spliced with the slot.

Optionally, a groove is concavely formed in one side of the slot opposite to the clamping hole in the direction away from the clamping hole, the groove extends from the side wall of the spring piece fixing part to the inside of the spring piece fixing part, and the groove is opposite to the spring piece.

Optionally, the method further comprises:

the protection part is arranged on the body and is positioned above the operating mechanism.

Optionally, the method further comprises:

the first avoidance hole is formed in the body, and a push plate of the operating mechanism penetrates through the first avoidance hole to be connected with the release.

Optionally, the method further comprises:

and the second avoidance hole is formed in the body, and at least part of the connecting shaft of the operating mechanism penetrates through the second avoidance hole.

Optionally, the buckle assembly includes a first buckle and a second buckle, and the first buckle and the second buckle are respectively clamped with two opposite end faces of the metal bracket so as to fix the metal bracket between the first buckle and the second buckle.

Optionally, the first buckle and the second buckle are respectively disposed at two opposite corners of the body.

According to the utility model discloses a further aspect, the utility model provides a circuit breaker, including release, metal support and any one of above-mentioned technical scheme the link.

The utility model has the advantages that:

the utility model provides a connecting frame, including body, spliced pole and buckle subassembly. The connecting column is arranged on the first end face of the body, the buckle assembly is arranged on the second end face of the body, the release is connected with the connecting column, the buckle assembly is connected with the metal support of the operating mechanism, and therefore the connection between the release and the metal support of the operating mechanism is indirectly achieved, the structural design does not need to research and develop a specific release, on one hand, the common release can be suitable for operating mechanisms of different models, and the universality of the release is improved; on the other hand, the development cost of the release is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is an exploded view of a circuit breaker provided by an embodiment of the present invention (upper cover not shown);

fig. 2 is a schematic structural diagram of a connection rack at a first viewing angle according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a connection rack at a second viewing angle according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connection frame at a third viewing angle according to an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1 at A;

FIG. 6 is an enlarged view of a portion of FIG. 2 at B;

FIG. 7 is an enlarged view of a portion of FIG. 4 at C;

fig. 8 is a partial schematic view of an assembly view of a spring plate and a connecting frame according to an embodiment of the present invention.

In the figure:

100. a connecting frame; 110. a body; 111. a first end face; 112. a second end face; 120. connecting columns; 131. a first buckle; 132. a second buckle; 140. a spring piece fixing part; 141. inserting slots; 1411. a groove; 1412. a guide slope; 142. a clamping hole; 150. a protective part; 160. a first avoidance hole; 170. a second avoidance hole;

200. a release; 210. connecting holes; 300. an operating mechanism; 310. a metal bracket; 320. pushing a plate; 400. a spring plate; 410. an elastic sheet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

The utility model provides a link 100 as the bridge that release 200 and operating device 300 link to each other for ordinary release 200 can be applicable to various operating device 300, has improved release 200's commonality, has reduced release 200's research and development cost.

Specifically, the link 100 is used for connecting the trip unit 200 and the metal bracket 310 of the operating mechanism 300, and as shown in fig. 1 to 8, the link 100 includes a body 110, a connecting post 120, and a snap-fit assembly. The connecting column 120 is disposed on the first end surface 111 of the body 110, the trip unit 200 is provided with a connecting hole 210 matched with the connecting column 120, the connecting column 120 is inserted into the connecting hole 210, and the trip unit 200 is connected to the connecting frame 100. Alternatively, in the present embodiment, two connection columns 120 are provided. By providing two connecting posts 120, the rotation of the trip unit 200 can be restricted. The buckle assembly is disposed on the second end surface 112 of the body 110 and is clamped with the metal bracket 310, optionally, in this embodiment, the buckle assembly includes a first buckle 131 and a second buckle 132, the first buckle 131 and the second buckle 132 are respectively clamped with two opposite end surfaces of the metal bracket 310, so as to fix the metal bracket 310 between the first buckle 131 and the second buckle 132, specifically, in this embodiment, the first buckle 131 is clamped with an upper end surface of the metal bracket 310, and the second buckle 132 is abutted against a lower end surface of the metal bracket 310. The connection between the connecting frame 100 and the metal bracket 310 is realized by providing the first buckle 131 and the second buckle 132. In the embodiment, the first end surface 111 and the second end surface 112 are oppositely arranged, and the indirect connection between the trip unit 200 and the operating mechanism 300 is realized through the connecting frame 100, and the connecting frame 100 is suitable for the existing common trip unit 200, so that the universality of the trip unit 200 is improved. In other embodiments, a metal bracket 310 may also be provided with two slots, and the first buckle 131 and the second buckle 132 are respectively buckled with the two slots.

Preferably, with continued reference to fig. 1-4, the connecting frame 100 further comprises a protective portion 150, the protective portion 150 is disposed on the body 110, and the protective portion 150 is located above the operating mechanism 300. By providing the protection part 150, the internal components of the operation mechanism 300 can be protected, and external dust and other impurities are prevented from falling into the operation mechanism 300 to affect the normal operation of the operation mechanism 300.

Further, with continued reference to fig. 1-4, the connecting frame 100 further includes a first avoiding hole 160, the first avoiding hole 160 is formed on the body 110, and the push plate 320 of the operating mechanism 300 passes through the first avoiding hole 160 to connect to the trip unit 200. Through setting up first dodge hole 160, provide the space for the connection of push pedal 320 and release 200, be favorable to improving the compact structure nature of circuit breaker. Optionally, in this embodiment, the first avoiding hole 160 is square. In other embodiments, the shape of the first avoiding hole 160 may be other shapes, such as a circle, and the like, and the first avoiding hole may be arranged according to actual needs.

Further, with reference to fig. 1-4, since the operating mechanism 300 includes a connecting shaft, and a portion of the connecting shaft protrudes out of one side of the metal bracket 310 connected to the body 110 after the connecting shaft is connected to the metal, the body 110 is provided with a second avoiding hole 170, and at least a portion of the connecting shaft penetrates through the second avoiding hole 170. Through the second avoiding hole 170, the body 110 can be tightly attached to the metal bracket 310, and the structural compactness of the circuit breaker is improved.

Preferably, since the operating mechanism 300 is provided with a plurality of connecting shafts, in the present embodiment, the second avoidance holes 170 are provided in plurality, and the number and positions where the second avoidance holes 170 are provided are set according to the number and positions of the connecting shafts of the operating mechanism 300. The second avoiding hole 170 may be circular, square or other shapes, and may be set according to actual needs.

Preferably, with continued reference to fig. 3, in the present embodiment, the first and second catches 131 and 132 are respectively disposed at two opposite corners of the body 110. Due to the structural design, the stress uniformity of the metal bracket 310 is improved, and the connection strength between the buckle assembly and the metal bracket 310 is further improved. Optionally, the first buckle 131 may be provided in plurality, and the second buckle 132 may also be provided in plurality, according to actual needs.

More preferably, the clip assembly may further include a third clip (not shown) and a fourth clip (not shown), and the third clip and the fourth clip are respectively clipped to the other two opposite end surfaces of the metal bracket 310. By arranging the third and fourth buckles, the connection strength between the connecting frame 100 and the metal bracket 310 is improved. Optionally, the third buckle can be equipped with a plurality ofly, and the fourth buckle also can be equipped with a plurality ofly, set up according to actual need can.

Preferably, with continued reference to fig. 5-8, the connecting rack 100 further includes a spring plate fixing portion 140, the spring plate fixing portion 140 is disposed on the first end surface 111, and the circuit breaker includes a spring plate 400, and specifically, the spring plate 400 is a part of an electrical leakage testing mechanism in the circuit breaker and is used for performing an electrical leakage test. The spring plate fixing part 140 fixes the end of the spring plate 400. Specifically, the spring piece fixing portion 140 is provided with an insertion groove 141, the insertion groove 141 extends from a side wall of the spring piece fixing portion 140 to the inside of the spring piece fixing portion 140, and an end portion of the spring piece 400 of the circuit breaker is inserted into the insertion groove 141. This connection structure is simple, and facilitates the mounting and dismounting of the spring plate 400. The end of the spring plate 400 not connected to the spring plate fixing portion 140 is a movable end, and when the leakage test is performed, the test button is pressed to press the spring plate 400 downward, and at this time, the movable end of the spring plate 400 contacts with a conductive member of the leakage test mechanism, thereby forming a leakage test loop.

Furthermore, the end portion of the spring piece 400 is provided with a spring piece 410, the upper end face of the spring fixing portion is provided with a clamping hole 142, the clamping hole 142 is communicated with the slot 141, and after the end portion of the spring piece 400 is inserted into the slot 141, the spring piece 410 is clamped with the clamping hole 142. The fastening holes 142 are provided to improve the connection strength between the spring plate 400 and the spring plate fixing portion 140.

As a preferred technical solution, a side of the insertion groove 141 opposite to the clipping hole 142 is concavely provided with a groove 1411 in a direction away from the clipping hole 142, the groove 1411 extends from a side wall of the spring piece fixing portion 140 to an inside of the spring piece fixing portion 140, and the groove 1411 is arranged opposite to the elastic piece 410. When the spring piece 400 is mounted on the spring piece fixing portion 140, the spring piece 400 is inserted from one side of the slot 141, and the spring piece 410 is in a spring state without external force, so that the groove 1411 is formed in the position opposite to the spring piece 410, the moving space of the spring piece 410 in the slot 141 can be increased, the spring piece 400 can be inserted into the slot 141 more easily, and the connection strength between the slot 141 and the end portion of the spring piece 400 is not affected.

Preferably, with continued reference to fig. 7, the opening of the slot 141 has two guiding slopes 1412 to facilitate the insertion of the spring plate 400 and the resilient plate 410 into the slot 141.

Preferably, in this embodiment, the connecting frame 100 may be made of plastic, so that the connecting frame 100 may be integrally formed in an injection molding manner, and is simple to process, low in cost and suitable for mass production, and the injection molding manner may facilitate the connecting frame 100 to change its shape to adapt to different releases 200, thereby improving the versatility.

The utility model also provides a circuit breaker, including release 200, metal support 310 and foretell link 100.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. Connection frame, characterized in that the connection frame (100) is used for connecting a release (200) and a metal bracket (310) of an operating mechanism (300), the connection frame (100) comprising:

a body (110);

the connecting column (120) is arranged on the first end surface (111) of the body (110), a connecting hole (210) is formed in the release (200), and the connecting column (120) is inserted into the connecting hole (210);

the buckle assembly is arranged on the second end face (112) of the body (110) and is clamped with the metal support (310).

2. The link frame of claim 1, further comprising:

the spring piece fixing part (140) is arranged on the first end face (111), a slot (141) is formed in the spring piece fixing part (140), the slot (141) extends from the side wall of the spring piece fixing part (140) to the inside of the spring piece fixing part (140), and the end part of a spring piece (400) of the circuit breaker is inserted into the slot (141).

3. The connecting frame according to claim 2, wherein a clamping hole (142) is formed in the upper end face of the spring piece fixing portion (140), the clamping hole (142) is communicated with the slot (141), an elastic piece (410) is arranged at the end portion of the spring piece (400), and after the end portion of the spring piece (400) is inserted into the slot (141), the elastic piece (410) is clamped with the clamping hole (142).

4. The connecting rack according to claim 3, wherein a side of the insertion groove (141) opposite to the clipping hole (142) is recessed with a groove (1411) in a direction away from the clipping hole (142), the groove (1411) extends from a side wall of the spring piece fixing portion (140) to the inside of the spring piece fixing portion (140), and the groove (1411) is disposed opposite to the spring piece (410).

5. The link frame of claim 1, further comprising:

a guard (150) disposed on the body (110), wherein the guard (150) is located above the operating mechanism (300).

6. The link frame of any of claims 1-5, further comprising:

the first avoidance hole (160) is formed in the body (110), and a push plate (320) of the operating mechanism (300) penetrates through the first avoidance hole (160) to be connected with the release (200).

7. The link frame of any of claims 1-5, further comprising:

the second avoidance hole (170) is formed in the body (110), and at least part of the connecting shaft of the operating mechanism (300) penetrates through the second avoidance hole (170).

8. The connecting rack according to any one of claims 1 to 5, characterized in that the snap assembly comprises a first snap (131) and a second snap (132), and the first snap (131) and the second snap (132) are respectively snapped into two opposite end surfaces of the metal bracket (310) to fix the metal bracket (310) between the first snap (131) and the second snap (132).

9. The connecting rack according to claim 8, characterized in that the first catch (131) and the second catch (132) are respectively arranged at two opposite corners of the body (110).

10. Circuit breaker, characterized in that it comprises a trip unit (200), a metal holder (310) and a link frame (100) according to any one of claims 1 to 9.

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