Operating mechanism of high-stability high-voltage vacuum load switch combined electric appliance

Abstract

The utility model provides an operating mechanism of a high-stability high-voltage vacuum load switch combined electric appliance, and belongs to the technical field of vacuum load switch combined electric appliances. The operating mechanism comprises a shell, a protective shell, a lifting mechanism and an adjusting mechanism, the protective shell is fixedly connected to the top end of the shell, the lifting mechanism is arranged in a groove body at one end of the shell and used for opening and closing the vacuum circuit breaker, and the adjusting mechanism is arranged in the shell and used for adjusting the position of the lifting mechanism. According to the utility model, the lifting mechanism is driven to move through the adjusting structure, so that the opening and closing operation of the high-voltage vacuum switch is completed, and meanwhile, the whole operating mechanism can be covered through the arranged shell and the protective shell, so that the situation that the normal use of equipment is influenced because dust and liquid are easy to accumulate when the operating mechanism is exposed is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum load switch combination electrical appliances, in particular to an operating mechanism of a high-stability high-voltage vacuum load switch combination electrical appliance. Background Art

[0002] Load switches and combined electrical appliances are mainly composed of frame, disconnector (the current-limiting fuse of the combiner is on the disconnector), vacuum switch tube, grounding switch, spring operating mechanism, etc. The product has compact structure, small size, long life, strong closing and breaking capacity, and simple operation and maintenance. The vacuum switch is equipped with a spring operating mechanism, which uses an electric motor (manual) to store spring energy, and the closing mode includes electromagnetic closing and manual opening and closing. Disconnectors, vacuum switches, and grounding switches are interlocked with each other (mechanical interlocking) to prevent misoperation.

[0003] However, the operating mechanisms of the existing vacuum load switch combination electrical appliances mostly use spring energy storage to adjust the opening and closing of the vacuum switch tube. This adjustment mechanism is exposed and has not been operated for a long time, which leads to the weakening of the spring energy storage and the jamming of the adjustment structure, making it impossible to adjust. Therefore, the present application provides an operating mechanism of a high-stability high-voltage vacuum load switch combination electrical appliance to meet the needs. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an operating mechanism for a high-stability high-voltage vacuum load switch combination electrical appliance, so as to solve the problems that the regulating mechanism of the existing vacuum load switch combination electrical appliance is exposed, the spring energy storage becomes weak due to long-term non-operation, and the regulating structure is stuck and cannot be adjusted.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] An operating mechanism of a high-stability high-voltage vacuum load switch combination electrical appliance comprises a shell, a protective shell, a lifting mechanism and an adjusting mechanism, wherein the protective shell is fixedly connected to the top of the shell, the lifting mechanism is arranged in a slot body at one end of the shell, the lifting mechanism is used for the opening and closing operation of the vacuum circuit breaker, and the adjusting mechanism is arranged inside the shell, and the adjusting mechanism is used to adjust the position of the lifting mechanism.

[0007] Optionally, the lifting mechanism includes a lifting rod slidably installed in a groove body at one end of the shell, and sliding grooves are provided on both side surfaces of the lifting rod. A limiting slider is slidably installed inside the sliding groove, and one end of the limiting slider is buckled inside the shell.

[0008] Optionally, the adjustment mechanism includes a positioning shaft fixedly connected to the inside of the shell, a movable frame fixedly connected to the surface of the positioning shaft, a connecting block fixedly connected to one end of the movable frame, a movable plate movably connected to the top of the connecting block via a rotating shaft, the movable plate is located in a groove body at one end of the shell away from the lifting mechanism, a toggle plate movably connected to one end of the movable frame away from the connecting block via a spring shaft, the toggle plate is located at the bottom end of the lifting rod, and a tooth groove is fixedly connected to the surface of one side of the movable plate.

[0009] Optionally, a pair of shaft frames are fixedly connected to the top surface of the shell, and a rotating rod is installed through the inside of the pair of shaft frames. A driving tooth is installed on the surface of the rotating rod, and the driving tooth is meshed with the tooth groove.

[0010] Optionally, an adjustment handle is buckled and installed at one end of the rotating rod, and one end of the adjustment handle is fixedly connected to a non-return bearing.

[0011] Optionally, a positioning groove is provided on one side surface of the lifting rod, a mounting groove is provided on the top surface of the toggle plate, and a traction spring is fixedly connected between the mounting groove and the positioning groove.

[0012] Optionally, a movable groove is fixedly connected to the surface of the protective shell, a push-pull plate is slidably installed inside the movable groove, one end of the push-pull plate is fixedly connected to a gear rack, the gear rack groove and the driving tooth convex tooth match each other, and a positioning pin is rotatably installed on the top surface of the movable groove, and one end of the positioning pin is located inside the push-pull plate.

[0013] Optionally, the shell and the lifting rod are both made of insulating materials.

[0014] Optionally, a mounting platform is fixedly connected to the top surface of the lifting rod, and the mounting platform is made of ceramic material.

[0015] Optionally, the connecting block is arranged in an inclined shape.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects:

[0017] In the above scheme, the lifting mechanism is driven to move by adjusting the structure, thereby completing the opening and closing operation of the high-voltage vacuum switch. At the same time, the entire operating mechanism can be covered by the provided outer shell and protective shell, thereby preventing it from being exposed and easily accumulating dust and liquid, thereby affecting the normal use of the equipment.

[0018] By rotating the rotating rod to drive the driving teeth to rotate, the tooth groove on one side surface of the movable plate can be used to drive the movable plate to move up and down to complete the operation of adjusting the position of the movable plate. By pressing the movable plate downward, the connecting block can be used to drive one end of the movable frame to be pressed down, so that the other end of the movable frame can be lifted, and the toggle plate can be used to support the lifting rod to complete the closing operation of the high-voltage vacuum switch. Through the sliding grooves on both sides of the lifting rod, the limit slider can be used to make the lifting rod move vertically, thereby completing the opening and closing operation of the high-voltage vacuum switch.

[0019] The adjusting handle installed by a buckle at one end of the rotating rod can rotate the rotating rod, and the rotating rod with a non-return bearing can rotate the rotating rod more conveniently and quickly. The traction spring fixedly connected between the mounting groove and the positioning groove makes it convenient to use the traction spring to pull the bottom end of the lifting rod, thereby avoiding the lifting rod from getting stuck and being unable to descend by its own weight.

[0020] The tooth rack fixedly installed at one end of the push-pull plate can be inserted into the surface of the driving tooth to limit the driving tooth, thereby facilitating the limiting and fixing of the entire adjustment mechanism to prevent the lifting rod from being displaced due to loosening, thereby affecting the normal use of the high-voltage vacuum load switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to make and use the present invention.

[0022] Figure 1 It is a three-dimensional structural diagram of the operating mechanism of the high-stability high-voltage vacuum load switch combination electrical appliance;

[0023] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the protective shell of the operating mechanism of the high-stability high-voltage vacuum load switch combination electrical appliance;

[0024] Figure 3 It is a schematic cross-sectional view of the overall structure of the operating mechanism of the high-stability high-voltage vacuum load switch combination electrical appliance;

[0025] Figure 4 The present invention is a three-dimensional schematic diagram of the structure of the adjustment mechanism of the operating mechanism of a high-stability high-voltage vacuum load switch combination electrical appliance.

[0026] [reference numerals]

[0027] 1. Shell; 2. Protective shell; 3. Lifting mechanism; 4. Adjusting mechanism; 5. Adjusting handle; 6. Positioning shaft; 7. Movable frame; 8. Movable plate; 9. Connecting block; 10. Toggle plate; 11. Lifting rod; 12. Slide groove; 13. Limiting slider; 14. Mounting groove; 15. Positioning groove; 16. Traction spring; 17. Axle frame; 18. Rotating rod; 19. Driving tooth; 20. Tooth groove; 21. Movable groove; 22. Push-pull plate; 23. Positioning pin; 24. Gear frame; 25. Mounting table.

[0028] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0029] The following is a detailed description of the operating mechanism of a high-stability high-voltage vacuum load switch combination electrical appliance provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternative methods for implementation of some known technologies; and the accompanying drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0030] It should be noted that the references to "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0031] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0032] It is to be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0033] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0034] like Figure 1 and Figure 2 As shown, an embodiment of the utility model provides an operating mechanism of a high-stability high-voltage vacuum load switch combination electrical appliance, comprising a shell 1, a protective shell 2, a lifting mechanism 3 and an adjusting mechanism 4, wherein the protective shell 2 is fixedly connected to the top of the shell 1, the lifting mechanism 3 is arranged in a slot body at one end of the shell 1, the lifting mechanism 3 is used for the opening and closing operation of the vacuum circuit breaker, the adjusting mechanism 4 is arranged inside the shell 1, the adjusting mechanism 4 is used to adjust the position of the lifting mechanism 3, and the lifting mechanism 3 is driven to move by the adjusting structure 4, thereby completing the opening and closing operation of the high-voltage vacuum switch, and at the same time, the entire operating mechanism can be covered by the shell 1 and the protective shell 2, thereby preventing it from being exposed and easily accumulating dust and liquid, which affects the normal use of the equipment.

[0035] like Figures 2 to 4 As shown, the lifting mechanism 3 includes a lifting rod 11 slidably installed in a groove body at one end of the shell 1, and sliding grooves 12 are provided on both side surfaces of the lifting rod 11. A limiting slider 13 is slidably installed inside the sliding groove 12, and one end of the limiting slider 13 is buckled inside the shell 1. Through the sliding grooves 12 provided on both side surfaces of the lifting rod 11, the limiting slider 13 can be cooperated with to make the lifting rod 11 move vertically up and down, thereby completing the opening and closing operation of the high-voltage vacuum switch.

[0036] like Figure 3 to Figure 4As shown, the adjusting mechanism 4 includes a positioning shaft 6 fixedly connected to the inside of the shell 1, a movable frame 7 is fixedly connected to the surface of the positioning shaft 6, one end of the movable frame 7 is fixedly connected to a connecting block 9, the top of the connecting block 9 is movably connected to a movable plate 8 through a rotating shaft, the movable plate 8 is located in a groove body of the shell 1 away from the lifting mechanism 3, the end of the movable frame 7 away from the connecting block 9 is movably connected to a toggle plate 10 through a spring shaft, the toggle plate 10 is located at the bottom of the lifting rod 11, and a tooth groove 20 is fixedly connected to the surface of one side of the movable plate 8. By pressing down the movable plate 8, the connecting block 9 can cooperate to drive one end of the movable frame 7 to be pressed down, so that the other end of the movable frame 7 is lifted, and the lifting rod 11 is supported in cooperation with the toggle plate 10 to complete the closing operation of the high-voltage vacuum switch.

[0037] like Figure 2 As shown in the figure, a pair of shaft frames 17 are fixedly connected to the top surface of the shell 1, and a rotating rod 18 is installed inside the pair of shaft frames 17. A driving tooth 19 is installed on the surface of the rotating rod 18. The driving tooth 19 is engaged with the tooth groove 20. The driving tooth 19 is driven to rotate by rotating the rotating rod 18, thereby cooperating with the tooth groove 20 on one side surface of the movable plate 8, and the movable plate 8 can be driven to move up and down to complete the operation of adjusting the position of the movable plate 8.

[0038] like Figure 4 As shown, an adjusting handle 5 is installed at one end of the rotating rod 18, and a non-return bearing is fixedly connected to one end of the adjusting handle 5. The rotating rod 18 can be rotated by the adjusting handle 5 installed at one end of the rotating rod 18, and the rotating rod 18 with the non-return bearing can be rotated more conveniently and quickly.

[0039] like Figure 4 As shown, a positioning groove 15 is provided on one side surface of the lifting rod 11, and a mounting groove 14 is provided on the top surface of the toggle plate 10. A traction spring 16 is fixedly connected between the mounting groove 14 and the positioning groove 15. The traction spring 16 is fixedly connected between the mounting groove 14 and the positioning groove 15, so that the traction spring 16 can be used to pull the bottom end of the lifting rod 11, thereby avoiding the lifting rod 11 from getting stuck and being unable to descend by its own weight.

[0040] like Figure 1 and Figure 4As shown, the protective shell 2 is fixedly connected with a movable groove 21 on the surface, and a push-pull plate 22 is slidably installed inside the movable groove 21. A tooth rack 24 is fixedly connected to one end of the push-pull plate 22. The groove of the tooth rack 24 matches the convex teeth of the driving tooth 19. A positioning pin 23 is rotatably installed on the top surface of the movable groove 21. One end of the positioning pin 23 is located inside the push-pull plate 22. The tooth rack 24 fixedly installed at one end of the push-pull plate 22 can be inserted into the surface of the driving tooth 19 to limit the driving tooth 19, thereby facilitating the limiting and fixing of the entire adjusting mechanism 4 to avoid its loosening causing displacement of the lifting rod 11, which affects the normal use of the high-voltage vacuum load switch.

[0041] The technical solution provided by the utility model drives the lifting mechanism to move through the adjustment structure, thereby completing the opening and closing operation of the high-voltage vacuum switch. At the same time, the entire operating mechanism can be covered by the provided outer shell and protective shell, thereby preventing the exposure of the mechanism from easily accumulating dust and liquid, which may affect the normal use of the equipment. The driving teeth are driven to rotate by rotating the rotating rod, thereby cooperating with the tooth grooves on the surface of one side of the movable plate, and the movable plate can be driven to move up and down to complete the operation of adjusting the position of the movable plate. By pressing down the movable plate, the connecting block can be cooperated to drive one end of the movable frame to press down, so that the other end of the movable frame is lifted, and the lifting rod is supported by the toggle plate to complete the closing operation of the high-voltage vacuum switch. The sliding grooves on the surfaces of both sides of the lifting rod can be cooperated with the limit slider to allow the lifting rod to move. The vertical lifting and moving can complete the opening and closing operation of the high-voltage vacuum switch. In the process of adjusting the rotating rod, the rotating rod can be rotated through the adjusting handle installed by buckle at one end of the rotating rod, and the rotating rod with a non-return bearing can rotate the rotating rod more conveniently and quickly. The traction spring fixedly connected between the mounting groove and the positioning groove is convenient for pulling the bottom end of the lifting rod by the traction spring, so as to avoid the lifting rod from getting stuck and being unable to descend by its own weight. After the adjustment is completed, the tooth rack fixedly installed at one end of the push-pull plate can be buckled into the surface of the driving tooth to limit the driving tooth, so as to facilitate the limiting and fixing of the entire adjusting mechanism to avoid the lifting rod from being displaced due to its loosening, which affects the normal use of the high-voltage vacuum load switch.

[0042] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An operating mechanism for a high-stability high-voltage vacuum load switch combination electrical appliance, characterized in that: It includes an outer shell, a protective shell, a lifting mechanism and an adjusting mechanism, wherein the protective shell is fixedly connected to the top of the outer shell; The lifting mechanism is arranged in a slot at one end of the housing, and the lifting mechanism is used for the opening and closing operation of the vacuum circuit breaker; The adjusting mechanism is arranged inside the shell, and is used for adjusting the position of the lifting mechanism.

2. The operating mechanism of the high-stability high-voltage vacuum load switch combination electrical appliance according to claim 1 is characterized in that: The lifting mechanism comprises a lifting rod slidably mounted in a groove body at one end of the shell, and sliding grooves are provided on both sides of the lifting rod. A limit slider is slidably mounted inside the sliding groove, and one end of the limit slider is buckled inside the shell.

3. The operating mechanism of the high-stability high-voltage vacuum load switch combination electrical appliance according to claim 1 is characterized in that: The adjusting mechanism includes a positioning shaft fixedly connected to the inside of the shell, a movable frame fixedly connected to the surface of the positioning shaft, a connecting block fixedly connected to one end of the movable frame, a movable plate movably connected to the top of the connecting block via a rotating shaft, the movable plate is located in a groove body at one end of the shell away from the lifting mechanism, the movable frame is movably connected to a toggle plate at one end away from the connecting block via a spring shaft, the toggle plate is located at the bottom end of the lifting rod, and a tooth groove is fixedly connected to the surface of one side of the movable plate.

4. The operating mechanism of the high-stability high-voltage vacuum load switch combination electrical appliance according to claim 1 is characterized in that: A pair of shaft frames are fixedly connected to the top surface of the shell, and a rotating rod is installed through the inside of the pair of shaft frames. A driving tooth is installed on the surface of the rotating rod, and the driving tooth is meshed with the tooth groove.

5. The operating mechanism of the high-stability high-voltage vacuum load switch combination electrical appliance according to claim 4 is characterized in that: An adjusting handle is buckled and installed at one end of the rotating rod.

6. The operating mechanism of the high-stability high-voltage vacuum load switch combination electrical appliance according to claim 3 is characterized in that: A positioning groove is provided on one side surface of the lifting rod, and a mounting groove is provided on the top surface of the toggle plate. A traction spring is fixedly connected between the mounting groove and the positioning groove.

7. The operating mechanism of the high-stability high-voltage vacuum load switch combination electrical appliance according to claim 1 is characterized in that: A movable groove is fixedly connected to the surface of the protective shell, a push-pull plate is slidably installed inside the movable groove, one end of the push-pull plate is fixedly connected to a gear rack, the gear rack groove and the driving tooth convex teeth match each other, a positioning pin is rotatably installed on the top surface of the movable groove, and one end of the positioning pin is located inside the push-pull plate.

8. The operating mechanism of the high-stability high-voltage vacuum load switch combination electrical appliance according to claim 1 is characterized in that: The shell and the lifting rod are both made of insulating materials.

9. The operating mechanism of the high-stability high-voltage vacuum load switch combination electrical appliance according to claim 2, characterized in that: The top surface of the lifting rod is fixedly connected with a mounting platform, and the mounting platform is made of ceramic material.

10. The operating mechanism of the high stability high voltage vacuum load switch combination electrical appliance according to claim 3, characterized in that: The connecting block is arranged in an inclined shape.

Images