Overheat protection switch assembly

Abstract

The utility model discloses an overheating protection switch assembly, which relates to the technical field of electrical equipment and comprises an overheating protection mechanism, the top surface of the overheating protection mechanism is movably clamped with a top cover, and the bottom surface of the overheating protection mechanism is fixedly connected with a mounting mechanism. The overheat protection mechanism comprises a shell, a connecting groove, a first guide plate, a second guide plate, a contact and an elastic piece, and the outer wall of the lower portion of the shell is fixedly connected with an electrifying connecting plate. The temperature-sensitive metal sheet is attached to a detection position of equipment, so that the temperature-sensitive switch is stably installed at the detection position, the overheating detection accuracy of the equipment is effectively improved, the timely overheating protection effect is provided, the damping rubber plate is arranged, the influence of vibration on the switch is reduced, elements in the switch are kept stable, and misoperation caused by vibration is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to an overheat protection switch component. Background Art

[0002] Overheat protection switches usually work by utilizing the properties of heat-sensitive materials. These materials undergo physical changes as the temperature rises. When the temperature of the equipment rises to a preset dangerous value, the heat-sensitive material triggers the switch action, thereby cutting off the circuit, stopping the equipment operation, and preventing the equipment from being damaged by overheating.

[0003] In the prior art, publication number CN219800740U discloses an overheat protection type power switch, comprising a housing: a protective cover is fixedly connected to the front side of the housing by bolts, two wire connection posts extending to the outside are fixedly connected to the rear side of the inner cavity of the housing, a connecting copper wire is welded to the bottom of the left wire connection post, a bimetallic strip is welded to the top of the connecting copper wire, and a connecting copper post is fixedly connected to the rear side of the inner cavity of the housing.

[0004] However, in the prior art, the existing overheat protection switch is difficult to fit the surface of the device during installation, making its installation position on the device inappropriate and unable to accurately detect the temperature of the key heating parts of the device. This can easily lead to the device being overheated but the switch not operating, thereby causing damage to the device. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that the existing overheat protection switch is difficult to fit the surface of the equipment during installation, making its installation position on the equipment inappropriate, and unable to accurately detect the temperature of the key heating parts of the equipment, which easily leads to the situation that the equipment has overheated but the switch does not operate, thereby causing damage to the equipment. An overheat protection switch assembly is proposed.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: an overheating protection switch assembly, comprising an overheating protection mechanism, the top surface of the overheating protection mechanism is movably connected with a top cover, the bottom surface of the overheating protection mechanism is fixedly connected with a mounting mechanism, the overheating protection mechanism comprises a shell, a connecting groove, a guide plate 1, a guide plate 2, a contact and a spring, the lower outer wall of the shell is fixedly connected with an energized connecting plate, the center of the bottom surface of the shell is fixedly connected with a thermally sensitive metal sheet, the four corners of the bottom surface of the shell are fixedly connected with shock-absorbing rubber plates, the connecting groove is arranged on both sides of the thermally sensitive metal sheet, the connecting groove is opened on the bottom surface of the overheating protection mechanism, the mounting mechanism comprises a mounting plate, a connecting hole and a separating plate, one end of the separating plate is fixedly connected to the inner wall of the connecting groove, the other end of the separating plate is fixedly connected to the mounting plate, and the connecting hole is opened through the top surface of the mounting plate.

[0007] Preferably, there are two power-carrying connecting plates, and the guide plate 1 and the guide plate 2 are both fixedly connected to the inner wall of the shell, and the guide plate 2 is arranged above the guide plate 1, one of the power-carrying connecting plates is fixedly connected to one end of the guide plate 1, and the other power-carrying connecting plate is fixedly connected to one end of the guide plate 2.

[0008] Preferably, one end of the spring is fixedly connected to one end of the second guide plate, the contact is fixedly connected to the outer wall of the other end of the spring, and the bottom end of the contact is in contact with the outer wall of the first guide plate.

[0009] Preferably, a push rod is provided below the elastic sheet, one end of the push rod is plugged into the outer wall of the elastic sheet, and the bottom end of the push rod is movably connected to the outer wall of the push rod.

[0010] Preferably, the inner wall of the shell is fixedly connected to a plug board, the outer wall of the plug board is fixedly connected to a snap ring, and the inner wall of the top cover is movably connected to the outer wall of the plug board.

[0011] Preferably, a clamping groove is provided on the inner wall of the top cover, and the inner wall of the clamping groove is movably engaged with a clamping ring.

[0012] Preferably, a moisture-proof cotton pad is fixedly connected to the inner top surface of the top cover.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] 1. In the present invention, the separation sheet is bent to fit the mounting surface, the mounting plate is connected to the mounting surface of the equipment through the connection hole, and the heat-sensitive metal sheet is fitted with the detection portion of the equipment. This allows the present invention to be stably installed at the detection position, effectively improving the accuracy of overheat detection of the equipment and providing timely overheat protection. The damping rubber sheet is provided to reduce the impact of vibration on the switch, thereby keeping the components inside the switch stable and avoiding malfunctions due to vibration.

[0015] 2. In the present invention, the impact of vibration on the switch is reduced by the provision of a shock-absorbing rubber plate, so that the components inside the switch remain stable and malfunction due to vibration is avoided. The clamping connection between the clamping ring and the clamping groove makes it easy to disassemble or install the top cover and the overheat protection mechanism. The provision of a moisture-proof cotton pad prevents moisture from entering the interior of the switch and affecting heat-sensitive components. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention provides a three-dimensional structural diagram of an overheat protection switch assembly;

[0017] Figure 2 The present invention provides a bottom view of the structure of an overheat protection switch assembly;

[0018] Figure 3 This is a schematic diagram of the internal structure of an overheat protection switch assembly proposed by the utility model;

[0019] Figure 4 This utility model proposes an overheat protection switch assembly Figure 3 A magnified view of the structure in the middle.

[0020] Legend: 1. Overheat protection mechanism; 11. Housing; 12. Connecting slot; 13. Guide plate 1; 14. Guide plate 2; 15. Contact; 16. Spring clip; 17. Plug-in board; 18. Snap ring; 2. Top cover; 21. Moisture-proof cotton pad; 22. Snap slot; 3. Power connection board; 4. Mounting mechanism; 41. Mounting plate; 42. Connecting hole; 43. Separator; 5. Shock-absorbing rubber plate; 6. Thermosensitive metal sheet; 61. Ejector rod. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1: Figure 1 - Figure 4 As shown, the utility model provides an overheating protection switch assembly, including an overheating protection mechanism 1, the top surface of the overheating protection mechanism 1 is movably connected with a top cover 2, and the bottom surface of the overheating protection mechanism 1 is fixedly connected with a mounting mechanism 4, the overheating protection mechanism 1 includes a shell 11, a connecting groove 12, a guide plate 13, a guide plate 2 14, a contact 15 and a spring 16, the lower outer wall of the shell 11 is fixedly connected with a power connection plate 3, the center of the bottom surface of the shell 11 is fixedly connected with a thermally sensitive metal sheet 6, and the four corners of the bottom surface of the shell 11 are fixedly connected with a shock-absorbing rubber plate 5, the connecting groove 12 is provided on both sides of the thermally sensitive metal sheet 6, and the connecting groove 12 is opened on the bottom surface of the overheating protection mechanism 1, the mounting mechanism 4 includes a mounting plate 41, a connecting hole 42 and a separating piece 43, one end of the separating piece 43 is fixedly connected to the inner wall of the connecting groove 12, and the other end of the separating piece 43 is fixedly connected to the mounting plate 41, and the connecting hole 42 is opened through the top surface of the mounting plate 41.

[0024] The following describes in detail the specific settings and functions of this embodiment. During installation, the separation sheet 43 is bent to adapt to the mounting surface, the mounting plate 41 is connected to the device mounting surface through the connecting hole 42, and the heat-sensitive metal sheet 6 is fitted with the device detection part, so that the present invention is firmly installed in the detection position, effectively improving the accuracy of the device overheating detection and providing timely overheating protection. The setting of the shock-absorbing rubber plate 5 is used to reduce the impact of vibration on the switch, so that the components inside the switch remain stable and avoid malfunction due to vibration.

[0025] Example 2: Figure 1 - Figure 4 As shown, there are two power connection plates 3, the guide plate 1 13 and the guide plate 2 14 are fixedly connected to the inner wall of the housing 11, the guide plate 2 14 is arranged above the guide plate 1 13, one of the power connection plates 3 is fixedly connected to one end of the guide plate 1 13, the other power connection plate 3 is fixedly connected to one end of the guide plate 2 14, one end of the spring 16 is fixedly connected to one end of the guide plate 2 14, the contact 15 is fixedly connected to the outer wall of the other end of the spring 16, and the bottom end of the contact 15 is in contact with the outer wall of the guide plate 13. A push rod 61 is provided below the spring piece 16, one end of the push rod 61 is inserted into the outer wall of the spring piece 16, the bottom end of the push rod 61 is movably connected to the outer wall of the push rod 61, the inner wall of the outer shell 11 is fixedly connected to the plug board 17, the outer wall of the plug board 17 is fixedly connected to the snap ring 18, the inner wall of the top cover 2 is movably connected to the outer wall of the plug board 17, the inner wall of the top cover 2 is provided with a card slot 22, the inner wall of the card slot 22 is movably engaged with the snap ring 18, and the inner top surface of the top cover 2 is fixedly connected to a moisture-proof cotton pad 21.

[0026] The effect achieved by the entire embodiment is that by connecting the equipment wires to the power connection plate 3, the two lines are connected by using the coordinated use of guide plate 13, guide plate 2 14, contact 15 and spring 16, and the temperature-sensitive metal sheet 6 is used to detect the external temperature change. When the temperature is high, the temperature-sensitive metal sheet 6 is deformed to lift the push rod 61, so that the push rod 61 is deformed to control the contact 15 to separate from the guide plate 13, thereby disconnecting the circuit. The clamping ring 18 and the clamping groove 22 are clamped together, so that the top cover 2 and the overheating protection mechanism 1 can be easily disassembled or installed, and the moisture-proof cotton pad 21 is provided to prevent water vapor from entering the switch and affecting the heat-sensitive components.

[0027] The method of use and working principle of this device: When in use, the user connects the device wires to the power connection plate 3, and uses the guide plate 1 13, the guide plate 2 14, the contact 15 and the spring 16 to realize the connection between the two lines. During installation, the separation piece 43 is bent to adapt to the installation surface, and the mounting plate 41 is connected to the device installation surface through the connection hole 42. The heat-sensitive metal sheet 6 is fitted with the device detection part, so that the utility model is firmly installed in the detection position. The setting of the shock-absorbing rubber plate 5 is used to reduce the impact of vibration on the switch, so that the components inside the switch remain stable and avoid malfunction due to vibration. The clamping ring 18 and the card slot 22 are clamped together, so that the top cover 2 and the overheating protection mechanism 1 can be easily disassembled or installed. The setting of the moisture-proof cotton pad 21 prevents water vapor from entering the switch and affecting the heat-sensitive components.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. An overheat protection switch assembly, comprising an overheat protection mechanism (1), characterized in that: The top surface of the overheat protection mechanism (1) is movably connected to a top cover (2), and the bottom surface of the overheat protection mechanism (1) is fixedly connected to a mounting mechanism (4). The overheat protection mechanism (1) comprises a housing (11), a connecting groove (12), a first guide plate (13), a second guide plate (14), a contact (15) and a spring (16). The lower outer wall of the housing (11) is fixedly connected to a power connection plate (3), the center of the bottom surface of the housing (11) is fixedly connected to a heat-sensitive metal sheet (6), and the four corners of the bottom surface of the housing (11) are fixedly connected to the power connection plate (3). The heat-sensitive metal sheet (6) is fixedly connected with a shock-absorbing rubber plate (5), the connecting groove (12) is provided on both sides of the heat-sensitive metal sheet (6), the connecting groove (12) is opened on the bottom surface of the overheat protection mechanism (1), the mounting mechanism (4) comprises a mounting plate (41), a connecting hole (42) and a separating piece (43), one end of the separating piece (43) is fixedly connected to the inner wall of the connecting groove (12), the other end of the separating piece (43) is fixedly connected to the mounting plate (41), and the connecting hole (42) is opened through the top surface of the mounting plate (41).

2. The overheat protection switch assembly according to claim 1, characterized in that: Two power connection plates (3) are provided, and the guide plate 1 (13) and the guide plate 2 (14) are both fixedly connected to the inner wall of the housing (11). The guide plate 2 (14) is provided above the guide plate 1 (13). One of the power connection plates (3) is fixedly connected to one end of the guide plate 1 (13), and the other power connection plate (3) is fixedly connected to one end of the guide plate 2 (14).

3. The overheat protection switch assembly according to claim 2, characterized in that: One end of the spring (16) is fixedly connected to one end of the second guide plate (14), the contact (15) is fixedly connected to the outer wall of the other end of the spring (16), and the bottom end of the contact (15) is in contact with the outer wall of the first guide plate (13).

4. The overheat protection switch assembly according to claim 3, characterized in that: A push rod (61) is provided below the spring sheet (16), one end of the push rod (61) is plugged into the outer wall of the spring sheet (16), and the bottom end of the push rod (61) is movably connected to the outer wall of the push rod (61).

5. The overheat protection switch assembly according to claim 1, characterized in that: The inner wall of the housing (11) is fixedly connected to a plug-in plate (17), the outer wall of the plug-in plate (17) is fixedly connected to a snap ring (18), and the inner wall of the top cover (2) is movably connected to the outer wall of the plug-in plate (17).

6. The overheat protection switch assembly according to claim 5, characterized in that: A clamping groove (22) is provided on the inner wall of the top cover (2), and the inner wall of the clamping groove (22) is movably clamped with the clamping ring (18).

7. The overheat protection switch assembly according to claim 6, characterized in that: A moisture-proof cotton pad (21) is fixedly connected to the inner top surface of the top cover (2).

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