Double-circuit-break dish-shaped bimetallic strip temperature controller

Abstract

The utility model relates to the technical field of temperature controllers, and discloses a double-circuit-break dish-shaped bimetallic strip temperature controller, which is characterized in that a bimetallic bounce sheet is arranged in a positioning groove, an ejector rod is arranged on one side of the bimetallic bounce sheet, a fixed seat is arranged on one side, far away from a heat conducting plate, in a shell, an elastic assembly is arranged on one side of the fixed seat, and the elastic assembly is arranged on the other side of the shell. A communicating assembly is arranged in the shell; when a certain temperature is reached, the bimetallic bounce sheet is heated to deform, so that the bimetallic bounce sheet pushes the push rod to move in the limiting column, the push rod abuts against one side of the U-shaped elastic sheet, the U-shaped elastic sheet is pushed to deform, one end of the moving contact is separated from one side of the static contact, and a circuit can be disconnected. The temperature controller is simple in structure and convenient to use, safety accidents are avoided, meanwhile, the situation that a circuit of the temperature controller cannot be normally switched off due to various reasons can be avoided through the arrangement of the double circuit breakers, the use reliability of the temperature controller is improved, and the temperature controller is compact in structure and more convenient to popularize.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature controllers, in particular to a double-break disc-shaped bimetallic temperature controller. Background Art

[0002] A thermostat (also known as a temperature control switch, temperature protector, or temperature controller) refers to a series of automatic control components that undergo physical deformation inside the switch according to temperature changes in the working environment, thereby producing certain special effects and causing conduction or disconnection actions.

[0003] Traditional disc-shaped bimetallic thermostats usually adopt a single-break structure. Once the thermostat fails to disconnect the circuit normally due to various reasons, safety accidents are likely to occur, which will have an adverse impact on production and life, resulting in poor reliability of the thermostat. Therefore, a double-break disc-shaped bimetallic thermostat is proposed. Utility Model Content

[0004] The purpose of the present utility model is to provide a double-break disc-shaped bimetallic thermostat to solve the problem in the above background technology that traditional disc-shaped bimetallic thermostats usually adopt a single-break structure. Once the thermostat fails to disconnect the circuit normally due to various reasons, safety accidents are likely to occur, which will have an adverse impact on production and life and lead to poor reliability of the thermostat.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a double-break disc-shaped bimetallic thermostat, comprising a shell, a heat conducting plate installed inside the shell, two heat conducting seats installed on one side of the heat conducting plate, a positioning groove provided inside the heat conducting seat, a bimetallic spring piece provided inside the positioning groove, a top rod provided on one side of the bimetallic spring piece, a fixing seat installed on the side of the shell away from the heat conducting plate, an elastic component provided on one side of the fixing seat, and a connecting component provided inside the shell.

[0006] Preferably, the elastic component comprises two U-shaped elastic sheets and a moving contact, the two U-shaped elastic sheets are respectively fixedly connected to one side of the fixing seat, and the moving contact is fixedly connected to an outer end of the U-shaped elastic sheet.

[0007] Preferably, the communication component includes a fixed plate and two static contacts, the fixed plate is fixedly connected to the inner center of the shell, and the two static contacts are respectively fixedly connected to both ends of one side of the fixed plate.

[0008] Preferably, the moving contact abuts against one side of the static contact, and one end of the push rod abuts against the outer side of the U-shaped elastic sheet.

[0009] Preferably, the other end of the U-shaped elastic sheet is fixedly connected to a connecting plate, and one end of the connecting plate extends to the outside of the shell.

[0010] Preferably, a fixing sleeve is sleeved on the outer side of the shell, and mounting holes are provided at both ends of the fixing sleeve.

[0011] Preferably, both ends of the inner side of the shell are fixedly connected with limiting columns, and the limiting columns are sleeved on the outer side of the push rod.

[0012] Compared with the prior art, the above technical solution adopted by the present invention has the following technical effects: when a certain temperature is reached, the bimetallic spring piece of the present invention is deformed by heat, so that the bimetallic spring piece pushes the push rod to move inside the limit column, so that the push rod contacts one side of the U-shaped elastic piece, thereby pushing the U-shaped elastic piece to deform, so that one end of the moving contact is separated from one side of the static contact, thereby disconnecting the circuit and avoiding the occurrence of safety accidents. At the same time, through the setting of double circuit breakers, it can avoid the situation where the thermostat cannot normally disconnect the circuit due to various reasons, thereby improving the reliability of the thermostat. Moreover, the thermostat has a compact structure and is more convenient to promote. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the shell of the present utility model;

[0017] Figure 4 This is a schematic diagram of the bimetallic spring structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of the fixing plate of the present invention.

[0019] Explanation of the accompanying drawings: 1. Shell; 2. Heat-conducting plate; 3. Heat-conducting seat; 4. Positioning groove; 5. Bimetallic bounce plate; 6. Push rod; 7. Limiting column; 8. Fixing plate; 9. Static contact; 10. Fixing seat; 11. U-shaped elastic sheet; 12. Moving contact; 13. Connecting plate; 14. Fixing sleeve; 15. Mounting hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application.

[0022] Example

[0023] In the prior art, disc-shaped bimetallic thermostats usually adopt a single-circuit-breaking structure. Once the thermostat fails to disconnect the circuit normally due to various reasons, safety accidents are likely to occur, which will have an adverse impact on production and life, resulting in poor reliability of the thermostat.

[0024] See also Figure 1-5 The utility model provides a technical solution: a double-break disc-shaped bimetallic temperature controller, comprising a shell 1, a heat conducting plate 2 is installed inside the shell 1, and two heat conducting seats 3 are installed on one side of the heat conducting plate 2, a positioning groove 4 is opened inside the heat conducting seat 3, a bimetallic spring piece 5 is arranged inside the positioning groove 4, and a top rod 6 is arranged on one side of the bimetallic spring piece 5, a fixing seat 10 is installed on the side of the interior of the shell 1 away from the heat conducting plate 2, and an elastic component is arranged on one side of the fixing seat 10, and a connecting component is arranged inside the shell 1, and both ends of the inner side of the shell 1 are fixedly connected to the limiting column 7, and the limiting column 7 is sleeved on the outer side of the top rod 6; heat is transferred through the heat conducting plate 2, and the heat is transferred to the bimetallic spring piece 5 through the heat conducting seat 3. When a certain temperature is reached, the bimetallic spring piece 5 is deformed by the heat, so that the bimetallic spring piece 5 pushes the top rod 6 to move inside the limiting column 7.

[0025] By providing an elastic component, the circuit can be disconnected and connected; the elastic component includes two U-shaped elastic pieces 11 and a moving contact 12, the two U-shaped elastic pieces 11 are respectively fixedly connected to one side of the fixing base 10, and the moving contact 12 is fixedly connected to one end of the outer side of the U-shaped elastic piece 11. The connecting component includes a fixed plate 8 and two static contacts 9, the fixed plate 8 is fixedly connected to the inner center of the housing 1, and the two static contacts 9 are respectively fixedly connected to the two ends of one side of the fixed plate 8. The moving contact 12 abuts against one side of the static contact 9, and one end of the push rod 6 abuts against the outer side of the U-shaped elastic piece 11; By abutting the top rod 6 against one side of the U-shaped elastic sheet 11, the U-shaped elastic sheet 11 is pushed to deform, so that one end of the moving contact 12 is separated from one side of the static contact 9, and the circuit can be disconnected. When one end of the top rod 6 is separated from the outer side of the U-shaped elastic sheet 11, one end of the U-shaped elastic sheet 11 is reset, so that the moving contact 12 on the U-shaped elastic sheet 11 is abutted against one side of the static contact 9, and the circuit is connected. At the same time, the double-circuit setting can avoid the situation where the thermostat cannot normally disconnect the circuit due to various reasons, thereby improving the reliability of the thermostat. In addition, the thermostat has a compact structure and is more convenient to promote.

[0026] The other end of the U-shaped elastic piece 11 is fixedly connected to a connecting plate 13, one end of which extends to the outside of the shell 1, and the connecting plate 13 is used for wiring the circuit; a fixing sleeve 14 is sleeved on the outside of the shell 1, and mounting holes 15 are provided at both ends of the fixing sleeve 14; when the thermostat is used, the shell 1 is fixed through the fixing sleeve 14 by passing screws through the inside of the mounting hole 15.

[0027] Working principle or structural principle, when the thermostat is used, the shell 1 is fixed by the fixing sleeve 14 through the screw passing through the inside of the mounting hole 15, and the heat is transferred through the heat conducting plate 2, and the heat is transferred to the bimetallic bounce piece 5 through the heat conducting seat 3. When a certain temperature is reached, the bimetallic bounce piece 5 is deformed by heat, so that the bimetallic bounce piece 5 pushes the top rod 6 to move inside the limit column 7, so that the top rod 6 contacts one side of the U-shaped elastic piece 11, thereby pushing the U-shaped elastic piece 11 to deform, so that one end of the moving contact 12 is separated from one side of the static contact 9, and the circuit can be disconnected, avoiding the occurrence of safety accidents. Moreover, through the double circuit breaker setting, it can avoid the situation where the thermostat cannot disconnect the circuit normally due to various reasons, thereby improving the reliability of the thermostat.

[0028] Those skilled in the art will appreciate that various combinations and / or combinations of features described in the various embodiments and / or claims of the present invention may be employed, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, various combinations and / or combinations of features described in the various embodiments and / or claims of the present invention may be employed without departing from the spirit and teachings of the present invention. All such combinations and / or combinations fall within the scope of the present invention.

Claims

1. A double-break disc-shaped bimetallic thermostat, comprising a housing (1), characterized in that: A heat conducting plate (2) is installed inside the shell (1), two heat conducting seats (3) are installed on one side of the heat conducting plate (2), a positioning groove (4) is provided inside the heat conducting seat (3), a bimetallic spring sheet (5) is provided inside the positioning groove (4), a top rod (6) is provided on one side of the bimetallic spring sheet (5), a fixing seat (10) is installed on the side of the shell (1) away from the heat conducting plate (2), an elastic component is provided on one side of the fixing seat (10), and a connecting component is provided inside the shell (1).

2. The double-break disc-shaped bimetallic thermostat according to claim 1, characterized in that: The elastic component comprises two U-shaped elastic sheets (11) and a moving contact (12), wherein the two U-shaped elastic sheets (11) are respectively fixedly connected to one side of the fixing seat (10), and the moving contact (12) is fixedly connected to an outer end of the U-shaped elastic sheet (11).

3. The double-break disc-shaped bimetallic thermostat according to claim 2, characterized in that: The communication component comprises a fixed plate (8) and two static contacts (9), wherein the fixed plate (8) is fixedly connected to the inner center of the housing (1), and the two static contacts (9) are respectively fixedly connected to the two ends of one side of the fixed plate (8).

4. The double-break disc-shaped bimetallic thermostat according to claim 3, characterized in that: The moving contact (12) abuts against one side of the static contact (9), and one end of the push rod (6) abuts against the outer side of the U-shaped elastic sheet (11).

5. The double-break disc-shaped bimetallic thermostat according to claim 2, characterized in that: The other end of the U-shaped elastic piece (11) is fixedly connected to a connecting plate (13), and one end of the connecting plate (13) extends to the outside of the housing (1).

6. The double-break disc-shaped bimetallic thermostat according to claim 1, characterized in that: A fixing sleeve (14) is sleeved on the outer side of the housing (1), and mounting holes (15) are provided at both ends of the fixing sleeve (14).

7. The double-break disc-shaped bimetallic thermostat according to claim 1, characterized in that: Both ends of the inner side of the housing (1) are fixedly connected to limiting columns (7), and the limiting columns (7) are sleeved on the outer side of the push rod (6).

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