CN216288185U

CN216288185U - Improved long insulation distance temperature controller structure

Info

Publication number: CN216288185U
Application number: CN202121804139.3U
Authority: CN
Inventors: 徐良保
Original assignee: Changshu Xin Duan Electric Co ltd
Current assignee: Changshu Xin Duan Electric Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-04-12
Anticipated expiration: 2031-08-04

Abstract

An improved long insulation distance temperature controller structure comprises an aluminum cover, a shell, a guide frame, an insulation ejector rod, a fixed contact assembly and a movable contact assembly, wherein the guide frame is arranged at the upper end part of the shell; the aluminum cover is covered on the upper end part of the guide frame, and the inner side of the lower end part of the aluminum cover is connected with the outer wall of the upper end part of the shell; the fixed contact assembly and the movable contact assembly are arranged in the shell; the upper end part of the insulating ejector rod is arranged in the guide frame, and the lower end part of the insulating ejector rod penetrates through the guide frame to be connected with the movable contact assembly. The movement distance of the insulating push rod is increased by combining the two bimetallic strips, and meanwhile, the sensitivity of the temperature controller is increased; when the movable contact and the fixed contact are separated, the insulating plate is arranged between the movable contact and the fixed contact, so that the insulativity is further increased, and the accidental breakdown is prevented.

Description

Improved long insulation distance temperature controller structure

Technical Field

The utility model belongs to the technical field of temperature controllers, and particularly relates to an improved long-insulation-distance temperature controller structure.

Background

The temperature controller is widely applied to different application fields of kitchen appliances, household appliances, automobiles and the like, and has extremely wide application. The temperature controller is usually installed on a specific position of a product to bring convenience to temperature sensing and obtaining of a temperature change value, so that normal use of the temperature controller can be guaranteed, and effective temperature detection and control effects are achieved. The temperature controller is installed on different electrical apparatus correspond the position, has different requirements to the insulating distance of temperature controller, nevertheless has the insulating distance of temperature controller now and can not satisfy customer's development demand, and the insulating distance of traditional temperature controller is short, punctures the danger of electric leakage occasionally in the extreme condition, serious meeting initiation accident. Therefore, the temperature controller can be further developed in the process of practical application.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide an improved long-insulation-distance temperature controller structure which is simple in structural design and easy to manufacture and use; the movement of the insulating push rod is pushed by adopting a thermal deformation mode of the bimetallic strip, so that the sensitivity of the temperature controller is increased; when the movable contact and the fixed contact are separated, the insulating plate is arranged between the movable contact and the fixed contact, so that the insulativity is further increased, and the accidental breakdown is prevented.

The technical scheme is as follows: the utility model provides an improved long-insulation-distance temperature controller structure, which comprises an aluminum cover, a shell, a guide frame, an insulation ejector rod, a fixed contact assembly and a movable contact assembly, wherein the guide frame is arranged at the upper end part of the shell; the aluminum cover is covered on the upper end part of the guide frame, and the inner side of the lower end part of the aluminum cover is connected with the outer wall of the upper end part of the shell; the fixed contact assembly and the movable contact assembly are arranged in the shell; the upper end part of the insulating ejector rod is arranged in the guide frame, the lower end part of the insulating ejector rod penetrates through the guide frame to be connected with the movable contact assembly, a circular bimetallic strip is arranged in the guide frame, and the edge of the bimetallic strip is embedded on the inner wall of the guide frame; the middle part of the lower end part of the bimetallic strip is connected with the top end of the insulating ejector rod in a matching way. The structure design is simple, and the manufacture and the use are easy; the movement of the insulating push rod is pushed by adopting a thermal deformation mode of the bimetallic strip, so that the sensitivity of the temperature controller is increased; when the movable contact and the fixed contact are separated, the insulating plate is arranged between the movable contact and the fixed contact, so that the insulativity is further increased, and the accidental breakdown is prevented.

Further, in the above improved long insulation distance temperature controller structure, the upper end of the movable contact assembly is provided with a movable contact point, which is matched with a fixed contact point arranged at the lower end of the fixed contact assembly.

Further, in the improved long insulation distance temperature controller structure, the lower end part of the movable contact assembly is electrically connected with the first terminal; the lower end part of the fixed contact component is electrically connected with a second terminal.

Further, in the improved long insulation distance temperature controller structure, the inner wall of the shell is provided with the insulation board with the L-shaped section; the outer side of the corner of the insulating plate is rotatably connected with the inner wall of the shell, and a rotary spring is arranged at the rotating connection position of the insulating plate.

Further, in the improved long insulation distance temperature controller structure, the lower end part of the insulation plate is matched with the lower end part of the movable contact assembly, and the upper end part of the insulation plate is matched with the movable contact.

Furthermore, according to the improved long insulation distance temperature controller structure, the two sides of the aluminum cover are provided with the connecting lugs protruding outwards, and the connecting lugs are provided with the connecting holes.

The technical scheme shows that the utility model has the following beneficial effects: the improved long-insulation-distance temperature controller structure is simple in structural design and easy to manufacture and use; the movement of the insulating ejector rod is pushed in a manner that the bimetallic strip is heated and bent, so that the sensitivity of the temperature controller is increased; when the movable contact and the fixed contact are separated, the insulating plate is arranged between the movable contact and the fixed contact, so that the insulativity is further increased, the accidental breakdown is prevented, and the high popularization value is realized.

Drawings

FIG. 1 is a schematic structural diagram of an improved long insulation distance thermostat structure according to the present invention;

fig. 2 is a schematic structural diagram of the improved long insulation distance temperature controller structure according to the present invention when it is thermally disconnected.

In the figure: the device comprises an aluminum cover 1, a connecting lug 11, a connecting hole 12, a shell 2, an insulating plate 21, a guide frame 3, a bimetallic strip 31, an insulating ejector rod 4, a fixed contact assembly 5, a fixed contact point 51, a movable contact assembly 6, a movable contact point 61, a first terminal 7 and a second terminal 8.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The improved long insulation distance temperature controller structure shown in fig. 1 comprises an aluminum cover 1, a shell 2, a guide frame 3, an insulation ejector rod 4, a fixed contact component 5 and a movable contact component 6, wherein the guide frame 3 is arranged at the upper end part of the shell 2; the aluminum cover 1 is covered on the upper end part of the guide frame 3, and the inner side of the lower end part of the aluminum cover 1 is connected with the outer wall of the upper end part of the shell 1; the fixed contact assembly 5 and the movable contact assembly 6 are arranged inside the shell 2; the upper end part of the insulating ejector rod 4 is arranged in the guide frame 3, the lower end part of the insulating ejector rod passes through the guide frame 3 and is connected with the movable contact assembly 6, a circular bimetallic strip 31 is arranged in the guide frame 3, and the edge of the bimetallic strip 31 is embedded on the inner wall of the guide frame 3; the middle part of the lower end part of the bimetallic strip 31 is connected with the top end of the insulating ejector rod 4 in a matching way. The upper end of the movable contact assembly 6 is provided with a movable contact point 61 which is matched with a fixed contact point 51 arranged at the lower end of the fixed contact assembly 5. The lower end part of the movable contact assembly 6 is electrically connected with a first terminal 7; the lower end of the fixed contact assembly 5 is electrically connected with a second terminal 8. An insulating plate 21 with an L-shaped section is arranged on the inner wall of the shell 2; the outer side of the corner of the insulating plate 21 is rotatably connected with the inner wall of the shell 2, and a rotary spring is arranged at the rotating connection position of the insulating plate. The lower end of the insulating plate 21 is matched with the lower end of the movable contact assembly 6, and the upper end of the insulating plate 21 is matched with the movable contact point 61. The both sides of aluminium lid 1 are provided with outside bellied engaging lug 11, be provided with connecting hole 12 on the engaging lug 11.

During operation, based on the above structural foundation, as shown in fig. 2, heat is transferred to the bimetal 31 through the aluminum cover 1, and the bimetal 31 deforms downward to push the insulating push rod 4, so that the insulating push rod 4 moves downward; the movable contact assembly 6 is bent downward, the movable contact point 61 is away from the fixed contact point 51 downward, and at the same time, the insulating plate 21 is rotated along the rotating connection thereof under the pushing of the movable contact assembly 6, so that the upper end portion thereof is rotated between the movable contact point 61 and the fixed contact point 51.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. An improved long-insulation-distance temperature controller structure is characterized by comprising an aluminum cover (1), a shell (2), a guide frame (3), an insulation ejector rod (4), a fixed contact assembly (5) and a movable contact assembly (6), wherein the guide frame (3) is arranged at the upper end part of the shell (2); the aluminum cover (1) is covered on the upper end part of the guide frame (3), and the inner side of the lower end part of the aluminum cover (1) is connected with the outer wall of the upper end part of the shell (2); the fixed contact component (5) and the movable contact component (6) are arranged inside the shell (2); the upper end part of the insulating ejector rod (4) is arranged in the guide frame (3), the lower end part of the insulating ejector rod penetrates through the guide frame (3) to be connected with the movable contact assembly (6), a circular bimetallic strip (31) is arranged in the guide frame (3), and the edge of the bimetallic strip (31) is embedded on the inner wall of the guide frame (3); the lower end part of the bimetallic strip (31) is connected with the top end of the insulating ejector rod (4) in a matching way at the middle part.

2. Improved long insulation distance thermostat structure according to claim 1, characterized in that the upper end of the moving contact component (6) is provided with a moving contact point (61) which is matched with a fixed contact point (51) provided at the lower end of the fixed contact component (5).

3. The improved long insulation distance thermostat structure according to claim 1, characterized in that the lower end of the movable contact assembly (6) is electrically connected with a first terminal (7); the lower end part of the fixed contact component (5) is electrically connected with a second terminal (8).

4. The improved long insulation distance thermostat structure according to claim 2, characterized in that the inner wall of the housing (2) is provided with an insulating plate (21) with an L-shaped section; the outer side of the corner of the insulating plate (21) is rotatably connected with the inner wall of the shell (2), and a rotary spring is arranged at the rotating connection position of the insulating plate.

5. Improved long insulation distance thermostat structure according to claim 4, characterized in that the lower end of the insulating plate (21) cooperates with the lower end of the movable contact assembly (6), and the upper end of the insulating plate (21) cooperates with the movable contact point (61).

6. The improved long insulation distance temperature controller structure according to claim 1, wherein the two sides of the aluminum cover (1) are provided with outwardly protruding engaging lugs (11), and the engaging lugs (11) are provided with engaging holes (12).