Emergency switch convenient to overhaul

Abstract

The utility model provides an emergency switch convenient for maintenance. The emergency switch comprises a housing, two binding posts, a cover body and a rotating rod. A groove with an upward opening is formed in the wall body of the shell, and a first connecting part is arranged in the groove; the two binding posts are symmetrically arranged at the lower end of the shell in a penetrating mode, and the upper end of each binding post is provided with a static contact piece. A connecting plate matched with the groove is arranged at the lower end of the cover body, and a second connecting part used for being connected with the first connecting part is arranged on the connecting plate; the rotating rod is arranged on the cover body in a penetrating mode and is configured to move in the connecting direction of the cover body and the shell, and two movable contact pieces used for making contact with the static contact pieces are symmetrically arranged at the lower end of the rotating rod. According to the utility model, the problems that the internal structure of the existing emergency switch is inconvenient to overhaul, so that the difficulty of regular overhaul of the existing emergency switch is large, and the normal operation of the existing emergency switch is difficult to guarantee can be solved.

Description

Technical Field

[0001] This utility model belongs to the field of emergency switch technology, and more specifically, relates to an emergency switch that is easy to maintain. Background Technology

[0002] The primary function of an emergency switch is to provide rapid control and ensure safety in emergency situations. Emergency switches are typically used to control the main switch of secondary circuits, enabling them to quickly cut off power or start equipment in emergencies to prevent accidents or provide emergency assistance.

[0003] Emergency switches are typically installed with the main body embedded within external equipment, exposing only the handle and part of the rotating rod. Due to the infrequent use of emergency switches, regular maintenance is necessary to prevent malfunctions. However, the unique structure and installation of existing emergency switches make internal maintenance difficult, posing a significant challenge to regular inspections and ensuring their proper operation. Further improvements are needed. Utility Model Content

[0004] The purpose of this utility model is to solve the problem that existing emergency switches are difficult to maintain regularly and their normal operation cannot be guaranteed because it is inconvenient to inspect their internal structure.

[0005] To achieve the above objectives, this utility model provides an emergency switch that is easy to maintain, including a housing, two terminals, a cover, and a rotating rod;

[0006] The shell has an upward-opening groove in its wall, and a first connecting part is provided in the groove;

[0007] The two terminals are symmetrically arranged at the lower end of the housing, and each terminal has a stationary contact piece at its upper end;

[0008] The lower end of the cover is provided with a connecting plate that is adapted to the groove, and the connecting plate is provided with a second connecting part for connecting with the first connecting part;

[0009] The rotating rod passes through the cover and is configured to move along the connection direction between the cover and the housing. The lower end of the rotating rod is symmetrically provided with two moving contact pieces for contacting the stationary contact piece.

[0010] Alternatively, the first connecting part and the second connecting part may be an external thread and an internal thread adapted to the external thread, respectively.

[0011] Optionally, the upper end of the rotating rod is covered with a connecting cap, and the lower end of the connecting cap is provided with a retaining ring, the inner wall of which fits against the outer arm of the rotating rod.

[0012] Optionally, the connecting cap is provided with handles on both sides for driving the rotating rod to rotate.

[0013] Optionally, the rotating rod includes an upper movable rod and a lower transmission rod. The movable rod is threaded to the cover, and the upper end of the transmission rod is movably connected to the lower end of the movable rod, so that when the movable rod moves downward, the transmission rod can drive the two movable contact pieces to contact the corresponding stationary contact pieces.

[0014] Optionally, the housing may be provided with a guide plate for guiding the movement of the transmission rod.

[0015] Optionally, the housing may have a first sealing ring inside for sealing the housing.

[0016] Optionally, the lower end of the cover is provided with a second sealing ring for sealing the housing.

[0017] The beneficial effects of this utility model are as follows:

[0018] This utility model proposes an emergency switch that facilitates maintenance. The housing has an upward-opening groove within its wall, within which a first connecting portion is located. Two terminals are symmetrically positioned at the lower end of the housing, each with a stationary contact at its upper end. A connecting plate, adapted to the groove, is located at the lower end of the cover, and has a second connecting portion for connecting to the first connecting portion. A rotating rod passes through the cover and is configured to move along the connection direction between the cover and the housing; its lower end has two symmetrically positioned moving contacts for contacting the stationary contacts. Compared to existing emergency switches, this utility model allows for the installation and removal of the cover and housing via the first and second connecting portions, facilitating regular maintenance of the internal structure and ensuring the normal operation of the emergency switch.

[0019] As can be seen from the above, this utility model can effectively solve the problem that existing emergency switches are difficult to maintain regularly and their normal operation cannot be guaranteed because it is inconvenient to inspect their internal structure.

[0020] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0021] This invention can be better understood by referring to the following description taken in conjunction with the accompanying drawings, in which the same or similar reference numerals are used throughout the drawings to denote the same or similar parts.

[0022] Figure 1 A cross-sectional view of an emergency switch for easy maintenance according to an embodiment of the present invention is shown;

[0023] Figure 2 A schematic diagram of an emergency switch for easy maintenance according to an embodiment of the present invention is shown.

[0024] Figure label:

[0025] 1-Shell;

[0026] 2-Terminal;

[0027] 3-Cap;

[0028] 4-groove;

[0029] 5-First connecting part;

[0030] 6-Stationary contact plate;

[0031] 7-Connecting plate;

[0032] 8-Second connecting part;

[0033] 9-Moving contact plate;

[0034] 10 - First sealing ring;

[0035] 11-Second sealing ring;

[0036] 12-Connecting cap;

[0037] 121-Retaining ring;

[0038] 122-Handle;

[0039] 13-Modular lever;

[0040] 14-Transmission rod;

[0041] 15-Guide plate;

[0042] 16-Spring. Detailed Implementation

[0043] To enable those skilled in the art to more fully understand the technical solution of this utility model, exemplary embodiments of this utility model will be described more comprehensively and in detail below with reference to the accompanying drawings. Obviously, the one or more embodiments of this utility model described below are merely one or more specific ways to implement the technical solution of this utility model, and are not exhaustive. It should be understood that other ways belonging to a general inventive concept can be used to implement the technical solution of this utility model, and it should not be limited to the embodiments described exemplary. Based on one or more embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0044] Example: Figure 1 A cross-sectional view of an emergency switch for easy maintenance according to an embodiment of the present invention is shown; Figure 2 A schematic diagram of an emergency switch for easy maintenance according to an embodiment of the present invention is shown.

[0045] Reference Figure 1-2 The present invention provides an emergency switch that is easy to maintain, comprising a housing 1, two terminals 2, a cover 3, and a rotating rod;

[0046] The wall of the housing 1 has an upward-opening groove 4, and a first connecting part 5 is provided in the groove 4;

[0047] Two terminals 2 are symmetrically arranged at the lower end of the housing 1, and each terminal 2 has a stationary contact piece 6 at its upper end;

[0048] The lower end of the cover 3 is provided with a connecting plate 7 that is adapted to the groove 4, and the connecting plate 7 is provided with a second connecting part 8 for connecting with the first connecting part 5;

[0049] The rotating rod passes through the cover 3 and is configured to move along the connection direction between the cover 3 and the housing 1. Two moving contacts 9 are symmetrically arranged at the lower end of the rotating rod for contacting the stationary contact 6.

[0050] In one embodiment, a first sealing ring 10 for sealing the housing 1 is provided inside the housing 1.

[0051] In one specific embodiment, the cross-sectional shape of the groove 4 is annular.

[0052] In one embodiment, a second sealing ring 11 for sealing the housing 1 is provided at the lower end of the cover 3.

[0053] In one specific embodiment, the first connecting part 5 and the second connecting part 8 are respectively an external thread and an internal thread adapted to the external thread, to facilitate the installation or removal of the cover and the housing.

[0054] In one embodiment, a connecting cap 12 is provided at the upper end of the rotating rod, and a retaining ring 121 is provided at the lower end of the connecting cap 12. The inner wall of the retaining ring 121 fits against the outer arm of the rotating rod. This is used to prevent external moisture or impurities from entering the housing through the gap between the cover and the rotating rod, so as to ensure the normal operation of the emergency switch.

[0055] In one specific embodiment, the connecting cap 11 is provided with handles 122 on both sides for driving the rotating rod to rotate.

[0056] In one specific embodiment, the rotating rod includes an upper movable rod 13 and a lower transmission rod 14. The movable rod 13 is threadedly connected to the cover 3, and the upper end of the transmission rod 14 is movably connected to the lower end of the movable rod 13, so that when the movable rod 13 moves downward, the transmission rod 14 can drive two moving contacts 9 to contact the corresponding stationary contacts 6, thereby achieving rapid circuit disconnection or activation.

[0057] In one specific embodiment, a guide plate 15 is provided inside the housing 1 to guide the movement of the transmission rod 13.

[0058] In one specific embodiment, a spring 16 is sleeved on the transmission rod 14 to buffer its movement, and the upper end of the spring 16 is connected to the guide plate 15.

[0059] When inspecting the emergency switch of this utility model, the operator can first turn the cover to gradually separate the first and second connecting parts. Then, the connecting plate can be pulled out of the groove to fully expose the inside of the housing. Next, the contact components, including the rotating rod, can be inspected. After the inspection, the cover and housing can be reconnected to put the emergency switch into normal standby mode.

[0060] The emergency switch proposed in this utility model is easy to maintain. It has an upward-opening groove in the wall of the housing, and a first connecting part is provided in the groove. Two terminals are symmetrically arranged at the lower end of the housing, and each terminal has a stationary contact piece at its upper end. The lower end of the cover is provided with a connecting plate adapted to the groove, and the connecting plate is provided with a second connecting part for connecting with the first connecting part. A rotating rod is arranged on the cover and is configured to move along the connection direction between the cover and the housing. The lower end of the rotating rod is symmetrically provided with two moving contacts for contacting the stationary contact piece.

[0061] Therefore, compared with existing emergency switches, the emergency switch of this utility model can realize the installation or disassembly between the cover and the housing through the first connecting part and the second connecting part, thereby facilitating the regular maintenance of the internal structure of the emergency switch and ensuring the normal operation of the emergency switch.

[0062] While one or more embodiments of the present invention have been described above, those skilled in the art will recognize that the present invention can be implemented in any other form without departing from its spirit and scope. Therefore, the embodiments described above are illustrative and not restrictive, and many modifications and substitutions will be apparent to those skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. An emergency switch that is easy to maintain, characterized in that, Includes a housing, two terminals, a cover, and a rotating rod; The shell has an upward-opening groove in its wall, and a first connecting part is provided in the groove; The two terminals are symmetrically arranged at the lower end of the housing, and each terminal has a stationary contact piece at its upper end; The lower end of the cover is provided with a connecting plate that is adapted to the groove, and the connecting plate is provided with a second connecting part for connecting with the first connecting part; The rotating rod passes through the cover and is configured to move along the connection direction between the cover and the housing. The lower end of the rotating rod is symmetrically provided with two moving contact pieces for contacting the stationary contact piece.

2. The emergency switch for easy maintenance according to claim 1, characterized in that, The first connecting part and the second connecting part are respectively an external thread and an internal thread adapted to the external thread.

3. The emergency switch for easy maintenance according to claim 1, characterized in that, The upper end of the rotating rod is covered with a connecting cap, and the lower end of the connecting cap is provided with a retaining ring. The inner wall of the retaining ring is attached to the outer arm of the rotating rod.

4. The emergency switch for easy maintenance according to claim 3, characterized in that, The connecting cap has handles on both sides for driving the rotating rod to rotate.

5. The emergency switch for easy maintenance according to claim 1, characterized in that, The rotating rod includes an upper movable rod and a lower transmission rod. The movable rod is threaded to the cover body, and the upper end of the transmission rod is movably connected to the lower end of the movable rod, so that when the movable rod moves downward, the transmission rod can drive the two movable contact pieces to contact the corresponding stationary contact pieces.

6. The emergency switch for easy maintenance according to claim 5, characterized in that, The housing is provided with a guide plate for guiding the movement of the transmission rod.

7. The emergency switch for easy maintenance according to claim 1, characterized in that, The housing is provided with a first sealing ring inside for sealing the housing.

8. The emergency switch for easy maintenance according to claim 7, characterized in that, The lower end of the cover is provided with a second sealing ring for sealing the shell.

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