CN217009038U

CN217009038U - Spring operating mechanism of load isolating switch

Info

Publication number: CN217009038U
Application number: CN202220809591.7U
Authority: CN
Inventors: 贾波; 周绪
Original assignee: Chengdu Xuanyang Electrical Appliance Co ltd
Current assignee: Chengdu Xuanyang Electrical Appliance Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-07-19
Anticipated expiration: 2032-04-08

Abstract

The application relates to the technical field of load isolating switches, and discloses a spring operating mechanism of a load isolating switch, which comprises a fixed panel, wherein the fixed panel comprises a first panel and a second panel; the energy-saving type electric power distribution cabinet is characterized by further comprising an operating mechanism movably mounted on the fixed panel, and a grounding unit and a main loop unit which are in transmission connection with the operating mechanism, wherein the main loop unit is in transmission connection with the grounding unit through a spring energy storage mechanism. When the operating mechanism drives the main loop unit to move, the kinetic energy applied to the grounding unit by the operating mechanism is converted into the elastic force of the spring by the spring energy storage mechanism, so that conditions are provided for the action of instantly releasing energy by the spring energy storage mechanism, an instant circuit connection or disconnection is realized, the normal grounding of the grounding unit is kept, and the protection effect of isolating and disconnecting normal running current and fault current is achieved.

Description

Spring operating mechanism of load isolating switch

Technical Field

The application relates to the technical field of load isolating switches, in particular to a spring operating mechanism of a load isolating switch.

Background

The load isolating switch is a device which isolates a power failure part from a power supply part and creates an obvious disconnection point so as to isolate fault equipment or carry out power failure maintenance. The load isolating switch is formed by combining a fuse and an isolating switch, the isolating switch cuts off normal operation current, and the fuse cuts off loop fault current, so the load isolating switch has a certain protection function on the motor, but a contactor is added behind the load switch to be used as an operating element and an overload and overcurrent protection element of a motor loop. The existing load isolating switch can not simultaneously operate isolation and grounding, and has lower flexibility.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the existing load isolating switch cannot be operated simultaneously to isolate and ground, the application provides a load isolating switch spring operating mechanism.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

a load isolator spring operating mechanism comprises a fixed panel, wherein the fixed panel comprises a first panel and a second panel; the energy-saving grounding device is characterized by further comprising an operating mechanism movably mounted on the fixed panel, and a grounding unit and a main circuit unit which are in transmission connection with the operating mechanism, wherein the main circuit unit is in transmission connection with the grounding unit through a spring energy storage mechanism.

The load isolating switch is a device which isolates a power failure part from a power supply part and causes an obvious disconnection point so as to isolate fault equipment or perform power failure maintenance. The operating mechanism and the spring energy storage mechanism are matched to complete the actions of spring energy storage and instantaneous release, and instantaneously switch on and switch off the contact points. In the scheme, the fixing panel is a supporting structure for installing and fixing components in the load isolating switch, the grounding unit and the main loop unit are simultaneously in transmission connection with the operating mechanism, and meanwhile, the connecting mode of the operating mechanism for unidirectionally controlling the main loop unit is realized by utilizing the spring energy storage mechanism. Specifically, a user moves the operating mechanism, the operating mechanism drives the main loop unit to open or close a switch, the spring energy storage mechanism is compressed or stretched to store energy in the switching-off or switching-on process, the grounding unit is in transmission connection with the operating mechanism together with the main loop unit, but the grounding unit is kept in a grounding state by using the stored energy of the spring energy storage mechanism, when the switch needs to be closed or opened again, the operating mechanism continues to move along the original direction, the spring energy storage mechanism starts to release energy after reaching the energy storage limit, and the operating mechanism automatically moves in the reverse direction until the switching-on or switching-off action is completed.

Further, the main circuit unit and the grounding unit are respectively provided with a first mounting shaft and a second mounting shaft which are rotatably mounted on the fixed panel; the spring energy storage mechanism comprises a first mounting frame and a second mounting frame which are fixedly mounted on a first mounting shaft and a second mounting shaft respectively, spring mounting seats are rotatably mounted on the first mounting frame and the second mounting frame respectively, and a spring is arranged between the two spring mounting seats; when the operating mechanism drives the main circuit unit to move, the spring provides elastic force for keeping the grounding unit in a grounding state.

Furthermore, operating device includes the transmission shaft that runs through first panel and second panel setting to and fixed mounting just is located the operation in first panel and second panel outside and dials board and drive plate respectively at the transmission shaft both ends, be equipped with the driving lever groove on the drive plate, main loop unit and ground connection unit realize being connected with the transmission of drive plate through the sliding fit in first driving lever and second driving lever and driving lever groove respectively.

Furthermore, the bottom of the first installation shaft and the bottom of the second installation shaft are respectively and fixedly connected with a first transmission plate and a second transmission plate, and the first driving lever and the second driving lever are respectively and rotatably installed on the first transmission plate and the second transmission plate.

Furthermore, the second installation epaxial position of epaxial side of first panel installs the ground connection piece, be equipped with the ground connection subassembly with the contact of ground connection piece all the time on the first panel.

Further, the first transmission plate, the second transmission plate and the spring energy storage mechanism are all located between the first panel and the second panel.

The beneficial effect of this application is: when the operating mechanism drives the main loop unit to move, the kinetic energy applied to the grounding unit by the operating mechanism is converted into the elastic force of the spring by the spring energy storage mechanism, so that conditions are provided for the action of instantly releasing energy by the spring energy storage mechanism, an instant circuit connection or disconnection is realized, the normal grounding of the grounding unit is kept, and the protection effect of isolating and disconnecting normal running current and fault current is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a front view of the present application;

FIG. 3 is a top view of the present application;

FIG. 4 is a schematic view of the operating mechanism, the main circuit unit and the grounding unit of the present application;

fig. 5 is a schematic bottom view of the operating mechanism, main circuit unit and ground unit of the present application in combination.

In the figure: 1-a first panel; 2-a second panel; 3, operating a shifting plate; 4-an interlock; 5-a spring; 6-spring mounting seat; 7-a first mounting shaft; 8-a first drive plate; 9-a drive plate; 901-plectrum groove; 10-a transmission shaft; 11-a second drive plate; 12-a second mounting shaft; 13-a ground component; 14-a ground block; 15-a second mounting frame; 16-a first mounting frame; 17-a first restraint post; 18-second restraint posts.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

the load isolating switch shown in fig. 1 comprises a fixed panel, wherein the fixed panel comprises a first panel 1 and a second panel 2; the energy-saving grounding device is characterized by further comprising an operating mechanism movably mounted on the fixed panel, and a grounding unit and a main circuit unit which are in transmission connection with the operating mechanism, wherein the main circuit unit is in transmission connection with the grounding unit through a spring energy storage mechanism.

The working principle is as follows:

when the grounding unit is required to be switched on or switched off again, the operating mechanism continues to move along the original direction, the spring energy storage mechanism starts to release energy after reaching the energy storage limit, and the operating mechanism automatically moves in the reverse direction until the action of switching on or switching off is completed.

Example 2:

in this embodiment, on the basis of embodiment 1, the structures of the main circuit unit, the grounding unit and the spring energy storage mechanism are further optimized and defined.

As shown in fig. 2-5, the main circuit unit and the grounding unit respectively have a first mounting shaft 7 and a second mounting shaft 12 rotatably mounted on the fixed panel; the spring energy storage mechanism comprises a first mounting frame 16 and a second mounting frame 15 which are respectively and fixedly mounted on a first mounting shaft 7 and a second mounting shaft 12, spring mounting seats 6 are respectively and rotatably mounted on the first mounting frame 16 and the second mounting frame 15, and a spring 5 is arranged between the two spring mounting seats 6; when the operating mechanism drives the main circuit unit to move, the spring 5 provides elastic force for keeping the grounding unit in a grounding state.

The operating mechanism comprises a transmission shaft 10 penetrating through the first panel 1 and the second panel 2, an operating shifting plate 3 and a driving plate 9 which are fixedly installed at two ends of the transmission shaft 10 and located on the outer sides of the first panel 1 and the second panel 2 respectively, a shifting rod groove 901 is formed in the driving plate 9, and the main loop unit and the grounding unit are in transmission connection with the driving plate 9 through sliding fit of the first shifting rod and the second shifting rod with the shifting rod groove 901 respectively. The bottom of the first installation shaft 7 and the bottom of the second installation shaft 12 are respectively fixedly connected with a first transmission plate 8 and a second transmission plate 11, and the first driving lever and the second driving lever are respectively rotatably installed on the first transmission plate 8 and the second transmission plate 11.

The embodiment provides a more specific structure example, when in use, the dial plate 3 is operated in a rotating mode, the transmission shaft 10 rotates synchronously therewith and drives the drive plate 9 to rotate, in the rotating process of the drive plate 9, the dial groove 901 and the first dial are matched to drive the first transmission plate 8 to rotate, the first transmission plate 8 drives the first mounting shaft 7 to rotate until the main loop unit is switched on or switched off, at the moment, the second mounting shaft 12 is kept static, and then the spring 5 in the spring energy storage mechanism is stretched or compressed and reaches a state close to static balance, so that the purpose of energy storage is achieved. When the main circuit unit needs to be restored to the original opening or closing state, the operation dial plate 3 continues to rotate in the original direction, the static balance of the spring 5 is damaged, the spring 5 crosses the limit position, then the energy of the spring 5 is released instantly, and the first mounting frame 16 drives the first mounting shaft 7 to rotate.

It should be noted that, although the first mounting shaft 7 and the second mounting shaft 12 in the present embodiment are both rotationally fitted with the fixed panel, the tightness of the fit between the two mounting shafts is different, and the tightness of the fit between the second mounting shaft 12 and the fixed panel is much greater than the fit between the first mounting shaft 7 and the fixed panel, that is, when the operating mechanism is moved, the second mounting shaft 12 in the grounding unit can be kept fixed relative to the fixed panel, and when the user needs to move the grounding unit, the second mounting shaft 12 of the grounding unit should be operated separately.

In addition, in order to further optimize the rotation angle range of the first and

second mounting shafts

7 and 12, as shown in fig. 4, a first and

second limit posts

17 and 18 may be disposed between the first and second panels 1 and 2, and protruding structures corresponding to the first and second limit posts may be disposed at appropriate positions on the first and

second transmission plates

8 and 11, respectively, and the rotation range of the first and

second transmission plates

8 and 11 may be limited by the contact between the protruding structures and the two limit posts.

Example 3:

in this embodiment, further optimization and limitation are performed on the basis of embodiment 2.

In order to fully exert the protection effect of the first panel 1 and the second panel 2 on the main functional components, as shown in fig. 1 and 2, the first transmission plate 8, the second transmission plate 11 and the spring energy storage mechanism are all positioned between the first panel 1 and the second panel 2. In addition, as shown in fig. 1, the first panel 1 has additional space for installing an interlocking device 4 and the like to realize a five-prevention interlock well known in the electrical industry.

Meanwhile, a specific structure for realizing grounding is provided, as shown in fig. 2 and 3, a grounding block 14 is installed on the second mounting shaft 12 outside the first panel 1, and a grounding assembly 13 which is always in contact with the grounding block 14 is arranged on the first panel 1.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A load isolator spring operating mechanism which characterized in that: comprising a fixed panel comprising a first panel (1) and a second panel (2); the energy-saving type solar water heater also comprises an operating mechanism movably arranged on the fixed panel, and a grounding unit and a main loop unit which are in transmission connection with the operating mechanism, wherein the main loop unit is in transmission connection with the grounding unit through a spring energy storage mechanism;

the main loop unit and the grounding unit are respectively provided with a first mounting shaft (7) and a second mounting shaft (12) which are rotatably mounted on a fixed panel;

the spring energy storage mechanism comprises a first mounting frame (16) and a second mounting frame (15) which are fixedly mounted on a first mounting shaft (7) and a second mounting shaft (12) respectively, spring mounting seats (6) are rotatably mounted on the first mounting frame (16) and the second mounting frame (15) respectively, and a spring (5) is arranged between the two spring mounting seats (6);

when the operating mechanism drives the main circuit unit to move, the spring (5) provides elastic force for keeping the grounding unit in a grounding state.

2. A load isolator spring operated mechanism according to claim 1, wherein: the operating mechanism comprises a transmission shaft (10) penetrating through the first panel (1) and the second panel (2), an operating shifting plate (3) and a driving plate (9) which are fixedly installed at two ends of the transmission shaft (10) and located on the outer sides of the first panel (1) and the second panel (2) respectively, a shifting rod groove (901) is formed in the driving plate (9), and the main loop unit and the grounding unit are connected with the driving plate (9) in a transmission mode through sliding fit of the first shifting rod, the second shifting rod and the shifting rod groove (901) respectively.

3. A load isolator spring operating mechanism as claimed in claim 2, wherein: the bottom of the first mounting shaft (7) and the bottom of the second mounting shaft (12) are respectively and fixedly connected with a first transmission plate (8) and a second transmission plate (11), and the first driving lever and the second driving lever are respectively and rotatably mounted on the first transmission plate (8) and the second transmission plate (11).

4. A load isolator spring operating mechanism according to claim 3, wherein: the ground connection piece (14) is installed in the outside that lies in first panel (1) on second installation axle (12), be equipped with all the time with ground connection subassembly (13) of ground connection piece (14) contact on first panel (1).

5. A load isolator spring operated mechanism according to claim 3, wherein: the first transmission plate (8), the second transmission plate (11) and the spring energy storage mechanism are all located between the first panel (1) and the second panel (2).