CN212725207U - Button structure and circuit breaker - Google Patents

Abstract

The utility model relates to the field of electrical technology, specifically provide a button structure and circuit breaker, wherein the button structure includes: a housing having a receiving cavity with front and rear end faces penetrating therethrough; the base is arranged at one end of the shell, the shell can be inserted on the base, and a reed is arranged on one surface of the base facing the accommodating cavity; the pressing piece is arranged in the accommodating cavity in a sliding mode and comprises a connecting end, and the connecting end has a conducting state communicated with the reed and a disconnecting state separated from the reed under the driving of the pressing piece. In the button structure of this structure, through with the reed setting on the base towards the one end that holds the cavity, make it be located and hold the cavity, can carry out good stable the switching on and the disconnection with the pressing piece, the reed is in the process of fixed stroke at the in-process that switches on for the effect that switches on of reed is good.

Description

Button structure and circuit breaker

Technical Field

The utility model relates to an electrical technology field, concretely relates to button structure and circuit breaker.

Background

With the deep knowledge of our country on electricity consumption and the requirement of our country's electric power system, the leakage breaker is an indispensable protection breaker in our lives, and it is clearly specified in the installation and use specification GB 13955 that the leakage breaker test button device must be pressed once a month to ensure whether the leakage breaker leakage function is normal, so that the leakage breaker test button device is required to have long life, accuracy, reliability, large electrical clearance, and the like. The circuit breaker among the prior art includes the reed and the pressing member of independent setting, and under the effect of pressing member, the reed can accomplish the contact and realize the effect that switches on big, but the button structure among the prior art has the problem of installation deviation for the stroke of pressing member is shorter, leads to the pressing member can not carry out complete pressing and then the incomplete problem of contact can appear in the reed with the reed, makes the test button malfunctioning.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the problem that the installation deviation can appear in the button structure among the prior art for the stroke of pressing piece is shorter, leads to the pressing piece can not carry out complete pressing and then the incomplete problem of contact can appear in the reed, makes the malfunctioning defect of experimental button, thereby provides a button structure and circuit breaker.

A button structure comprising:

a housing having a receiving cavity with front and rear end faces penetrating therethrough;

the base is arranged at one end of the shell, the shell can be inserted on the base, and a reed is arranged on one surface of the base facing the accommodating cavity;

the pressing piece is arranged in the accommodating cavity in a sliding mode and comprises a connecting end, and the connecting end has a conducting state communicated with the reed and a disconnecting state separated from the reed under the driving of the pressing piece.

Optionally, in the above-mentioned button structure, the reed includes a pressing portion and a conducting portion that are separately disposed, the pressing portion is connected to the connecting end, the conducting portion is located on one side of the pressing portion, and the pressing portion and the conducting portion are switched between a conducting state and a disconnecting state under the driving of the pressing member.

Optionally, in the above-mentioned button structure, the button further includes a blocking member, the blocking member is disposed in the accommodating cavity along a cross section of the accommodating cavity, the blocking member is provided with a through hole, and one end of the pressing member penetrates through the through hole in the blocking member and is connected to the pressing portion.

Optionally, in the above button structure, a stopper is disposed on a side of the connecting end close to the blocking member.

Optionally, in the above button structure, the pressing portion is integrally molded and connected with the connecting end.

Optionally, the button structure further includes a return spring; the blocking piece divides the containing cavity into a first cavity and a second cavity, and the reset spring is sleeved on the pressing piece in the first cavity.

A circuit breaker, comprising:

a housing;

the button structure is as above, and the shell is sleeved on the shell.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a pair of button structure, include: a housing having a receiving cavity with front and rear end faces penetrating therethrough; the base is arranged at one end of the shell, the shell can be inserted on the base, and a reed is arranged on one surface of the base facing the accommodating cavity; the pressing piece is arranged in the accommodating cavity in a sliding mode and comprises a connecting end, and the connecting end has a conducting state communicated with the reed and a disconnecting state separated from the reed under the driving of the pressing piece. In the button structure of this structure, through the one end that holds the cavity with the reed setting orientation on the base, make it be located and hold the cavity, can carry out good stable switching on and disconnection with the pressing part, the reed is in the process of fixed stroke at the in-process that switches on for the reed switches on respond well, solves to need to adjust the reed height among the original button structure and just can realize switching on the effect, and because of the experimental button stroke that the installation deviation caused leads to ground reed contact failure's defect inadequately.

Drawings

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

Fig. 1 is a schematic view of an installation structure of a circuit breaker housing and a button structure provided in an embodiment of the present invention;

FIG. 2 is a schematic view of the overall structure of the button structure;

FIG. 3 is a schematic view of the internal structure of the button structure shown in FIG. 2;

fig. 4 is a schematic vertical cross-sectional view of a circuit breaker housing and button arrangement;

description of reference numerals:

1. a housing; 11. a receiving cavity;

2. a base;

3. a reed; 31. a pressing part; 32. a conduction part;

4. a pressing member; 41. a connecting end;

5. a blocking member; 6. a stopper portion;

7. a return spring; 8. a housing.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

This embodiment describes a circuit breaker, referring to fig. 1, the circuit breaker includes a housing 8 and a button structure, wherein the housing 8 has a through hole, the button structure is disposed in the through hole and can slide along the through hole, specifically, as shown in fig. 2, 3 and 4, the button structure includes a housing 1, a base 2 and a pressing member 4, wherein the housing 1 has a receiving cavity 11 with a front surface and a rear surface penetrating through, the base 2 is disposed at one end of the housing 1, a slot is disposed on the base 2, so that the housing 1 can be inserted into the slot, and further the housing 1 is inserted onto the base 2, a reed 3 is disposed on the base 2 facing the receiving cavity 11, referring to fig. 4, after the housing 1 is inserted onto the base 2, the reed 3 can pass through the base and be located in the receiving cavity 11, and can complete the conduction effect with the pressing member 4 in the receiving cavity 11, the other end of the reed 3 is connected with a lead and communicated with a conductive system in the circuit breaker.

In this embodiment, the pressing member 4 is slidably disposed in the accommodating cavity 11, the pressing member 4 includes a connecting end 41, the connecting end 41 has a conducting state for connecting the reed 3 and a disconnecting state for disconnecting from the reed 3 under the driving of the pressing member 4, specifically, the reed 3 includes a pressing portion 31 and a conducting portion 32 separately disposed on the base 2, wherein the pressing portion 31 is connected to the connecting end 41 of the pressing member 4, the conducting portion 32 is disposed at one side of the pressing portion 31, the pressing portion 31 and the conducting portion 32 are switched between the conducting state and the disconnecting state under the driving of the pressing member 4, the effect of testing the circuit breaker by the test button is achieved under the conducting state, specifically, the pressing portion 31 and the connecting end 41 can be integrally molded and connected, so that the pressing member 4 and the reed 3 are integrally molded and connected, and the reed 3 can be stably pressed, to realize stable conduction of the test button.

In this embodiment, the button structure further includes a blocking member 5, the blocking member 5 is disposed in the receiving cavity 11 along the cross-section of the receiving cavity 11, wherein, a through hole is arranged on the blocking member 5, one end of the pressing member 4 penetrates through the through hole on the blocking member 5 and is connected with the pressing part 31, the blocking member 5 can be configured as a blocking plate and is fixedly connected to the housing 1, and a stop portion 6 is provided at a side of the connecting end 41 close to the blocking member 5 for stopping the pressing portion 31 when the pressing portion 31 moves along the accommodating cavity 11, the stopping portion 6 can prevent the pressing portion 31 from moving upwards along the accommodating cavity 11, and prevent the pressing member 4 from being separated from the accommodating cavity 11, and specifically, the stopping portion 6 can be configured in a tip shape or a flat plate shape, the projected area of the blocking member 5 is larger than the cross-sectional area of the through hole, so that the stopping effect is realized.

In this embodiment, the button structure further includes a return spring 7, the blocking member 5 separates the accommodating cavity 11 into a first cavity and a second cavity, the return spring 7 is sleeved on the pressing member 4 located in the first cavity, and when the pressing member 4 needs to return after being pressed, the return spring 7 provides a force required for returning, so that the returning is rapid and stable.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (7)

1. A button structure, comprising:

a housing (1) having a receiving cavity (11) with a front end surface and a rear end surface penetrating;

the base (2) is arranged at one end of the shell (1), the shell (1) can be inserted into the base (2), and a reed (3) is arranged on one surface, facing the accommodating cavity (11), of the base (2);

the pressing piece (4) is arranged in the accommodating cavity (11) in a sliding mode, the pressing piece (4) comprises a connecting end (41), and the connecting end (41) has a conducting state of communicating the reed (3) and a disconnecting state of being separated from the reed (3) under the driving of the pressing piece (4).

2. The button structure according to claim 1, wherein the spring plate (3) comprises a pressing portion (31) and a conducting portion (32) which are separately arranged, the pressing portion (31) is connected with the connecting end (41), the conducting portion (32) is located on one side of the pressing portion (31), and the pressing portion (31) and the conducting portion (32) are switched between a conducting state and a disconnecting state under the driving of the pressing piece (4).

3. The button structure according to claim 2, further comprising a blocking member (5), wherein the blocking member (5) is disposed in the accommodating cavity (11) along a cross section of the accommodating cavity (11), a through hole is formed in the blocking member (5), and one end of the pressing member (4) penetrates through the through hole in the blocking member (5) and is connected with the pressing portion (31).

4. A button construction according to claim 3, characterised in that the side of the connecting end (41) adjacent to the blocking element (5) is provided with a stop (6).

5. Button construction according to claim 3 or 4, characterised in that the pressing part (31) is integrally form-connected with the connecting end (41).

6. The pushbutton structure according to claim 5, characterized by further comprising a return spring (7); the containing cavity (11) is divided into a first cavity and a second cavity by the blocking piece (5), and the reset spring (7) is sleeved on the pressing piece (4) in the first cavity.

7. A circuit breaker, comprising:

a housing (8);

button structure according to any one of claims 1 to 6, said outer casing (8) being mounted on said housing (1).

Images