CN218123328U

CN218123328U - Indication structure and circuit breaker

Info

Publication number: CN218123328U
Application number: CN202222689223.6U
Authority: CN
Inventors: 赵明; 张彦阳; 史克少; 宿彦荣; 王凌峰
Original assignee: Zhejiang Tengen Electric Co Ltd
Current assignee: Zhejiang Tengen Electric Co Ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2022-12-23
Anticipated expiration: 2032-10-09

Abstract

The utility model relates to a low-voltage apparatus technical field, concretely relates to instruct structure and circuit breaker. The utility model provides an indicate structure, include: a housing provided with a socket; the handle is inserted in the socket, is connected with the shell in a sliding way, has a first position with the largest feeding depth and a second position with the smallest feeding depth, and is fixedly provided with a pressing piece on the surface; the indicating piece is connected with the shell in a sliding mode and comprises an indicating surface and a transmission surface, the indicating surface has changed indicating information in the sliding direction of the indicating piece, the transmission surface is abutted against the pressing piece, the pressing piece is suitable for pushing the indicating piece to slide in the sliding process, and an elastic piece which is suitable for resisting the action of the pressing piece on the indicating piece is arranged between the indicating piece and the shell; the shell is provided with an observation hole, and the observation hole is suitable for observing the indication information of the indication surface. The utility model provides an instruct the structure, instruct information after arranging rationally, can accurately judge through the inspection hole whether the handle has arrived the assigned position.

Description

Indication structure and circuit breaker

Technical Field

The utility model relates to a low-voltage apparatus technical field, concretely relates to instruct structure and circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time, and is used for distributing electric energy, not frequently starting an asynchronous motor, protecting a power supply line, a motor and the like, automatically cutting off a circuit when a fault such as severe overload or short circuit or undervoltage occurs, and the like, and functions as a combination of a fuse type switch and an over-under-heat relay and the like.

The handle of the plug-in circuit breaker is connected with the operating mechanism, and the switching-on and switching-off of the circuit breaker can be manually controlled through the plug-in handle. According to the conventional plug-in circuit breaker, after the handle is plugged in and pulled out, a user cannot visually observe whether the handle is in place or not, and further cannot accurately judge whether the circuit breaker reaches a stable switching-off or switching-on state or not.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the circuit breaker and lacking the suggestion of handle stroke among the prior art, can't the accurate defect of judging whether it has reached stable separating brake or combined floodgate state to an instruction structure and circuit breaker are provided.

The utility model provides an indicate structure, include:

a housing provided with a socket;

the handle is inserted in the socket, is connected with the shell in a sliding mode, has a first position with the largest feeding depth and a second position with the smallest feeding depth, and is fixedly provided with a pressing piece on the surface;

the indicating piece is connected with the shell in a sliding mode and comprises an indicating surface and a transmission surface, the indicating surface has changed indicating information in the sliding direction of the indicating piece, the transmission surface is abutted to the pressing piece, the pressing piece is suitable for pushing the indicating piece to slide in the sliding process, and an elastic piece which is suitable for resisting the action of the pressing piece on the indicating piece is arranged between the indicating piece and the shell;

the shell is provided with an observation hole, the observation hole is suitable for observing the indication information of the indication surface, and when the handle is located at the first position or the second position, the indication information observed on the observation hole is different.

Optionally, the transmission surface includes a slope surface, and the sliding direction of the handle is perpendicular to the sliding direction of the indicator.

Optionally, the casing is provided with the boss, the boss is provided with the mounting groove, the mounting groove lateral wall is provided with spout and/or slider, it is provided with slider and/or spout to correspond on the indicator, the indicator is packed into in the mounting groove, through slider and/or spout with boss sliding connection.

Optionally, the elastic member is a compression spring, the compression spring is arranged in the mounting groove, a first end of the compression spring is connected with the shell, and a second end of the compression spring is connected with the indicating member.

Optionally, a mounting post is disposed in the mounting groove and/or on a back side of the transmission surface, and the compression spring is sleeved with the mounting post.

Optionally, the mounting column includes a first mounting column and a second mounting column, the first mounting column is arranged in the mounting groove, the second mounting column is arranged on the back side of the transmission surface, and when the handle is located at the first position, the first mounting column is abutted to the second mounting column.

Optionally, the pressing piece has a first pressing surface, the transmission surface further includes an abutting plane, the first pressing surface is parallel to the abutting plane, and when the handle is at the first position, the first pressing surface is overlapped with the abutting plane;

and/or the pressing piece is provided with a second pressing surface, the second pressing surface is parallel to the slope surface, and when the handle is located at the first position, the second pressing surface is superposed with the slope surface.

The pressing piece may have the first pressing surface and the second pressing surface, the abutment plane may contact a distal end of the slope surface, and the first pressing surface may contact a distal end of the second pressing surface.

The utility model provides a circuit breaker, include:

an operating mechanism;

in the indicating structure, the operating mechanism is disposed in the housing, the handle is in transmission connection with the operating mechanism, when the handle is at the first position, the moving contact of the operating mechanism is connected with the fixed contact, and when the handle is at the second position, the moving contact of the operating mechanism is disconnected from the fixed contact.

Optionally, the housing includes an upper shell and a lower shell, and the upper shell and the lower shell are respectively disposed on two sides of the handle.

The utility model has the advantages of it is following:

1. the utility model provides an indicating structure, the handle is inserted and is established in the socket of casing, the handle have the biggest first position of the degree of depth of feed and the minimum second position of the degree of depth of feed, be provided with the pressing piece on the handle, handle along one direction slip in-process pressing piece and indicator butt, it slides to drive the indicator, be provided with the elastic component between indicator and casing, when the handle is along another direction slip process, the elastic component drives the indicator and slides, through the position relation who establishes indicator and handle, position information that can obtain the handle through the position information of indicator, the indicating information who changes along indicator slip direction has on the indicating surface of indicator, the casing correspondence is provided with the observation hole of being convenient for observe indicating information on the indicating surface. After the indication information is reasonably arranged, whether the handle reaches the specified position or not can be accurately judged through the observation hole.

2. The utility model provides a circuit breaker, the handle is connected with the operating device transmission, when the handle is in the first position, the moving contact of the operating device is connected with the static contact, the circuit breaker is in the closing state; when the handle is located at the second position, the moving contact and the fixed contact of the operating mechanism are disconnected, the circuit breaker is in the opening state, and the closing and opening states of the circuit breaker can be accurately judged through the observation hole formed in the shell and the indication information on the indication surface.

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 cross-sectional view of an indicating structure according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of an indicating structure according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a circuit breaker according to an embodiment of the present invention.

Description of the reference numerals:

10. a housing; 101. an upper shell; 102. a lower case; 11. a socket; 12. an observation hole; 13. a boss; 131. mounting grooves; 132. a chute; 20. a handle; 21. a pressing member; 211. a first pressing surface; 212. a second pressing surface; 30. an indicator; 31. an indicating surface; 32. a driving surface; 321. a slope surface; 322. an abutment plane; 33. a slider; 40. mounting a column; 401. a first mounting post; 402. a second mounting post.

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 should 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 according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

Referring to fig. 1-3, the utility model provides an indicate structure, include:

a housing 10 provided with a socket 11;

the handle 20 is inserted in the inserting opening 11, is connected with the shell 10 in a sliding mode, and has a first position with the largest feeding depth and a second position with the smallest feeding depth, and the surface of the handle 20 is fixedly provided with a pressing piece 21;

the indicating piece 30 is connected with the shell 10 in a sliding mode, the indicating piece 30 comprises an indicating surface 31 and a transmission surface 32, the indicating surface 31 has changed indicating information in the sliding direction of the indicating piece 30, the transmission surface 32 is abutted to the pressing piece 21, the pressing piece 21 is suitable for pushing the indicating piece 30 to slide in the sliding process, and an elastic piece suitable for resisting the action of the pressing piece 21 on the indicating piece 30 is arranged between the indicating piece 30 and the shell 10;

the housing 10 is provided with a viewing hole 12, the viewing hole 12 is suitable for viewing the indication information of the indication surface 31, and the indication information viewed from the viewing hole 12 is different when the handle 20 is at the first position or the second position.

In this embodiment, the handle 20 is inserted into the insertion opening 11 of the housing 10, the handle 20 has a first position where the feeding depth is the largest and a second position where the feeding depth is the smallest, the pressing member 21 is disposed on the handle 20, when the handle 20 slides along one direction, the pressing member 21 abuts against the indicating member 30 to drive the indicating member 30 to slide, an elastic member is disposed between the indicating member 30 and the housing 10, when the handle 20 slides along the other direction, the elastic member drives the indicating member 30 to slide, by establishing a positional relationship between the indicating member 30 and the handle 20, the positional information of the handle 20 can be obtained through the positional information of the indicating member 30, the indicating surface 31 of the indicating member 30 has indicating information that changes along the sliding direction of the indicating member 30, and the housing 10 is correspondingly provided with the observation hole 12 for observing the indicating information on the indicating surface 31. After the indication information is reasonably arranged, whether the handle 20 reaches the designated position can be accurately judged through the observation hole 12.

In this embodiment, the position of the pressing member 21 disposed on the handle 20 is not particularly limited, and as an implementation manner, the pressing member 21 may be disposed at the bottom of the handle 20, the sliding direction of the indicator 30 is consistent with the sliding direction of the handle 20, the pressing member 21 has a pressing surface facing the transmission surface 32 and parallel to the transmission surface 32, the transmission surface 32 is perpendicular to the sliding direction of the indicator 30, and when the handle 20 moves in the positive direction of the Y axis (refer to fig. 1 and 3), the indicator 30 is driven to move in the same direction; as an embodiment, referring to fig. 1, the pressing piece 21 may be provided at a side portion of the handle 20.

In this embodiment, the shape of the pressing member 21 is not particularly limited, and may be a shape, a sliding direction, and a position where the pressing member 21 is disposed, and the pressing member 21 may function with the indicating member 30 during the sliding of the handle 20, and as an embodiment, the pressing member 21 is disposed at a side portion of the handle 20, the sliding direction of the indicating member 30 coincides with the sliding direction of the handle 20, the pressing member 21 has a pressing surface facing the driving surface 32 and parallel to the driving surface 32, the driving surface 32 is perpendicular to the sliding direction of the indicating member 30, and the indicating member 30 is driven to move in the same direction when the handle 20 moves in the positive Y-axis direction.

In another embodiment, referring to fig. 1, the driving surface 32 includes a slope 321, and the sliding direction of the handle 20 is perpendicular to the sliding direction of the indicator 30. The slope 321 can convert the sliding movement of the handle 20 along the Y axis into the sliding movement of the indicator 30 along the X axis by abutting against the pressing member 21.

In addition to the above embodiments, in a preferred embodiment, referring to fig. 1, the pressing piece 21 has a first pressing surface 211, the transmission surface 32 further includes an abutment plane 322, the first pressing surface 211 is parallel to the abutment plane 322, and when the handle 20 is at the first position, the first pressing surface 211 overlaps the abutment plane 322.

In addition to the above embodiment, in another preferred embodiment, the pressing piece 21 has a second pressing surface 212, the second pressing surface 212 is parallel to the slope surface 321, and when the handle 20 is at the first position, the second pressing surface 212 overlaps the slope surface 321.

Of course, the two preferred embodiments do not conflict with each other, and in one embodiment, the pressing tool 21 has both the first pressing surface 211 and the second pressing surface 212, the abutment flat surface 322 contacts the tip of the slope surface 321, the first pressing surface 211 contacts the tip of the second pressing surface 212, and when the handle 20 is at the first position, the first pressing surface 211 overlaps the abutment flat surface 322, and the second pressing surface 212 overlaps the slope surface 321.

In this embodiment, the structure for slidably connecting the indication member 30 and the housing 10 is not particularly limited, and as an implementation manner, referring to fig. 1, the housing 10 is provided with a boss 13, the boss 13 is provided with an installation groove 131, a sliding groove 132 is provided on a side wall of the installation groove 131, a sliding block 33 is correspondingly provided on the indication member 30, and the indication member 30 is installed in the installation groove 131 and slidably connected with the boss 13 through the sliding block 33. Of course, the indication member 30 may also be provided with a sliding groove 132, the side wall of the installation groove 131 is correspondingly provided with a sliding block 33, and the indication member 30 is installed in the installation groove 131 and is slidably connected with the boss 13 through the sliding groove 132; or the side wall of the installation groove 131 is provided with the sliding groove 132 and the sliding block 33, the indication member 30 is correspondingly provided with the sliding block 33 and the sliding groove 132, and the indication member 30 is installed in the installation groove 131 and is connected with the boss 13 in a sliding manner through the sliding block 33 and the sliding groove 132.

In this embodiment, the structure for slidably connecting the handle 20 and the housing 10 is not particularly limited, and as a preferred embodiment, the pressing member 21 is provided with a groove, the boss 13 is correspondingly provided with a slide rail, and the pressing member 21 is slidably connected with the boss 13.

In this embodiment, the type of the elastic member is not particularly limited, and the elastic member can resist the acting force actively applied by the pressing member 21 to the indicating member 30, and ensure that the moving direction of the indicating member 30 can be changed synchronously when the moving direction of the handle 20 is changed, and as an embodiment, the elastic member is a tension spring, one end of the tension spring is connected with the indicating member 30, and the other end of the tension spring is connected with the housing 10. Referring to fig. 1, when the handle 20 moves in the positive Y-axis direction, the indicator 30 moves in the negative X-axis direction, and the tension spring is in a tension state; when the handle 20 moves along the negative direction of the Y axis, the tension spring drives the indicator 30 to move along the positive direction of the X axis.

As another embodiment, the elastic member is a compression spring, the compression spring is disposed in the mounting groove 131, a first end of the compression spring is connected to the housing 10, and a second end of the compression spring is connected to the indicator 30. Referring to fig. 1, when the handle 20 moves in the positive Y-axis direction, the indicator 30 moves in the negative X-axis direction, and the compression spring is in a compressed state; when the handle 20 moves in the negative Y-axis direction, the compression spring drives the indicator 30 to move in the positive X-axis direction.

On the basis of the above embodiments, in a preferred embodiment, the mounting posts 40 are disposed in the mounting grooves 131 and/or on the back side of the driving surface 32, and the compression spring is sleeved with the mounting posts 40.

In this embodiment, the installation post 40 is provided, so that the position of the compression spring can be limited, and the stable operation of the compression spring can be ensured.

In the present embodiment, the installation position of the installation post 40 is not particularly limited, and it may be installed on the back side of the transmission surface 32 or may be installed in the installation groove 131 of the housing 10. In a preferred embodiment, the mounting post 40 includes a first mounting post 401 and a second mounting post 402, the first mounting post 401 is disposed in the mounting groove 131, the second mounting post 402 is disposed opposite to the back side of the driving surface 32, and the first mounting post 401 abuts against the second mounting post 402 when the handle 20 is at the first position.

In the present embodiment, the first position of the handle 20 can be determined by designing the lengths of the first mounting post 401 and the second mounting post 402.

In the present embodiment, the position of the opening of the observation hole 12 in the casing 10 is not particularly limited, and the indication information on the indication surface 31 may be easily observed in relation to the position of the indication surface 31.

In the present embodiment, the indication information on the indication surface 31 is not particularly limited, and may be easily observed and understood, and as an implementation manner, it may be a number, and when the handle 20 is moved to the first position or the second position, a different number may be observed through the observation hole 12; as another example, it may be a color, and a different color may be visible through the viewing aperture 12 when the handle 20 is moved to the first or second position.

The embodiment of the utility model provides a circuit breaker, include:

an operating mechanism;

in the indicating structure, the operating mechanism is disposed in the housing 10, the handle 20 is in transmission connection with the operating mechanism, when the handle 20 is at the first position, the moving contact of the operating mechanism is connected to the stationary contact, and when the handle 20 is at the second position, the moving contact of the operating mechanism is disconnected from the stationary contact.

In this embodiment, the handle 20 is in transmission connection with the operating mechanism, when the handle 20 is at the first position, the moving contact and the fixed contact of the operating mechanism are connected, and the circuit breaker is in a closing state; when the handle 20 is at the second position, the moving contact and the fixed contact of the operating mechanism are disconnected, the circuit breaker is in the opening state, and the opening and closing state of the circuit breaker can be accurately judged through the observation hole 12 formed in the shell 10 and the indication information on the indication surface 31.

In a preferred embodiment, referring to fig. 1 and 3, the housing 10 includes an upper case 101 and a lower case 102, and the upper case 101 and the lower case 102 are respectively disposed at both sides of the handle 20.

In this embodiment, the housing 10 includes an upper casing 101 and a lower casing 102, the upper casing 101 and the lower casing 102 are disposed along the X-axis direction, and the upper casing 101 and the lower casing 102 are disposed on two sides of the handle 20 respectively, so as to facilitate the assembly of the circuit breaker.

In the present embodiment, the position of the observation hole 12 formed in the casing 10 is not particularly limited, and may be related to the position of the indication surface 31, and the indication information on the indication surface 31 can be observed conveniently, referring to fig. 3, the sliding direction of the indicator 30 coincides with the relative arrangement direction of the upper casing 101 and the lower casing 102, the observation hole 12 is formed in the casing 10 perpendicular to the Y-axis direction, and the observation hole 12 formed in the upper casing 101 faces the indication surface 31 in the Y-axis direction.

Based on the above specific implementation, the working principle of the circuit breaker of this embodiment is:

be provided with the pressing member 21 on the handle 20, the in-process of closing a floodgate through handle 20 control circuit breaker, pressing member 21 and indicator 30 butt, handle 20 drives indicator 30 and slides, be provided with the elastic component between indicator 30 and casing 10, through the in-process of handle 20 control circuit breaker separating brake, the elastic component drives indicator 30 and slides, through establishing the position relation of indicator 30 and handle 20, can obtain the positional information of handle 20 through the positional information of indicator 30, and then obtain the divide-shut brake state of circuit breaker.

Specifically, referring to fig. 3, the observation hole 12 of the upper case 101 can acquire the indication information on the indication surface 31, and the opening/closing state of the circuit breaker can be obtained through the indication information.

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. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An indicating structure, comprising:

a housing (10) provided with a socket (11);

the handle (20) is inserted into the socket (11), is connected with the shell (10) in a sliding mode, has a first position with the largest feeding depth and a second position with the smallest feeding depth, and is fixedly provided with a pressing piece (21) on the surface of the handle (20);

the indicating piece (30) is connected with the shell (10) in a sliding mode, the indicating piece (30) comprises an indicating surface (31) and a transmission surface (32), the indicating surface (31) has variable indicating information in the sliding direction of the indicating piece (30), the transmission surface (32) is abutted to the pressing piece (21), the pressing piece (21) is suitable for pushing the indicating piece (30) to slide in the sliding process, and an elastic piece which is suitable for resisting the action of the pressing piece (21) on the indicating piece (30) is arranged between the indicating piece (30) and the shell (10);

the shell (10) is provided with a viewing hole (12), the viewing hole (12) is suitable for viewing indication information of the indication surface (31), and when the handle (20) is located at the first position or the second position, the indication information viewed on the viewing hole (12) is different.

2. The indicating structure of claim 1 wherein said driving surface (32) comprises a ramp surface (321), the sliding direction of said handle (20) being perpendicular to the sliding direction of said indicator (30).

3. The indicating structure according to claim 2, characterized in that the housing (10) is provided with a boss (13), the boss (13) is provided with a mounting groove (131), a sliding groove (132) and/or a sliding block (33) is/are arranged on the side wall of the mounting groove (131), the indicating member (30) is correspondingly provided with the sliding block (33) and/or the sliding groove (132), the indicating member (30) is installed in the mounting groove (131), and is/are slidably connected with the boss (13) through the sliding block (33) and/or the sliding groove (132).

4. An indicator structure according to claim 3, wherein the resilient member is a compression spring, the compression spring being arranged in the mounting groove (131), the compression spring being connected at a first end to the housing (10) and at a second end to the indicator member (30).

5. The indicating structure of claim 4 wherein a mounting post (40) is provided in the mounting slot (131) and/or on the back side of the driving surface (32), the compression spring being sleeved with the mounting post (40).

6. The indicating structure of claim 5 wherein said mounting post (40) comprises a first mounting post (401) and a second mounting post (402), said first mounting post (401) being disposed within said mounting slot (131), said second mounting post (402) being disposed opposite said back side of said driving surface (32), said first mounting post (401) abutting said second mounting post (402) when said handle (20) is in said first position.

7. The indicating structure of any one of claims 2-6 wherein the pressing piece (21) has a first pressing surface (211), the transmission surface (32) further comprises an abutment plane (322), the first pressing surface (211) being parallel to the abutment plane (322), the first pressing surface (211) coinciding with the abutment plane (322) when the handle (20) is in the first position;

and/or the pressing piece (21) is provided with a second pressing surface (212), the second pressing surface (212) is parallel to the slope surface (321), and when the handle (20) is at the first position, the second pressing surface (212) is overlapped with the slope surface (321).

8. The indicating structure according to claim 7, wherein the pressing piece (21) has the first pressing surface (211) and the second pressing surface (212), the abutment plane (322) is in contact with a tip of the slope surface (321), and the first pressing surface (211) is in contact with a tip of the second pressing surface (212).

9. A circuit breaker, comprising:

an operating mechanism;

the indicating structure according to any one of claims 1 to 8, wherein the operating mechanism is disposed in the housing (10), the handle (20) is in transmission connection with the operating mechanism, a moving contact of the operating mechanism is connected to a stationary contact when the handle (20) is in the first position, and the moving contact of the operating mechanism is disconnected from the stationary contact when the handle (20) is in the second position.

10. The circuit breaker according to claim 9, wherein the housing (10) comprises an upper case (101) and a lower case (102), the upper case (101) and the lower case (102) being disposed at both sides of the handle (20), respectively.