Linkage structure of vacuum circuit breaker disconnecting switch
By designing a vacuum circuit breaker isolation linkage structure with hidden double-layer springs, the problem of poor linkage structure in the existing technology is solved, and stability improvement, cost reduction and installation efficiency improvement are achieved.
Patent Information
- Application Number
- CN202422452833.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-10-10
AI Technical Summary
The linkage structure of the existing vacuum circuit breaker isolating switch has poor power or buffering effect, resulting in problems such as messy layout, high cost and low installation efficiency.
A linkage structure including a base, operating rod, elastic assembly and transmission rod is designed. The elastic assembly is hidden and adopts a double-layer spring structure to improve stability and compactness and reduce production costs.
It improves the stability and production efficiency of the vacuum circuit breaker isolation switch, reduces production costs, improves service life and appearance aesthetics.
Smart Images

Figure CN223284863U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vacuum circuit breakers, in particular to a linkage structure of an isolating switch of a vacuum circuit breaker. Background Art
[0002] A vacuum circuit breaker is a high-voltage electrical device whose primary feature is the rapid interruption of current by utilizing a high vacuum as an arc-extinguishing medium. Isolators, on the other hand, are primarily used to isolate the power supply to ensure safe maintenance of other electrical equipment. Existing springs in the linkage structure of vacuum circuit breakers and isolators suffer from poor assist or buffering effects. Furthermore, the large number of springs leads to a cluttered overall layout, high costs, and low installation efficiency. Utility Model Content
[0003] The purpose of the utility model is to overcome the defects of the vacuum circuit breaker disconnector in the prior art and provide a linkage structure of the vacuum circuit breaker disconnector, which can improve the stability of the vacuum circuit breaker disconnector, reduce production costs and improve production efficiency.
[0004] In order to achieve the above and other purposes, the present invention is implemented by including the following technical solutions: The present invention provides a linkage structure of a vacuum circuit breaker disconnector, the linkage structure of the vacuum circuit breaker disconnector including:
[0005] The base includes two first support members at both ends and a second support member connected to the first support members.
[0006] An operating rod passes through the first support member and is at least partially located between the two first support members, with both ends of the operating rod located outside the first support members.
[0007] And an elastic component is arranged at the inner side wall of the first support member, one end of the elastic component is connected to the operating rod, and the other end is connected to the second support member, the elastic component includes a driving arm, one end of the driving arm is sleeved on the operating rod, and the other end of the driving arm is connected to a connecting shaft, the connecting shaft includes a sleeve and a shaft rod, a support ring is fixed on the sleeve, the elastic component includes a spring, one end of the spring is fixed to the support ring, and the other end of the spring is fixed to the second support member, a connecting rod is provided in the inner cavity of the support ring and the spring, one end of the connecting rod is connected to the top of the sleeve, and the other end is inserted into the second support member.
[0008] In some embodiments, the connecting rod is partially located within the cavity of the spring.
[0009] In some embodiments, the spring includes a first spring and a second spring, and the first spring is sleeved outside the second spring.
[0010] In some embodiments, a through hole is provided on the first support member, the diameter of the through hole is larger than the outer diameter of the operating rod, and baffles are provided on the top of both ends of the first support member.
[0011] In some embodiments, support plates are provided at both ends of the second support member, and connecting holes are provided on the support plates, and the other end of the connecting rod is inserted into the connecting hole.
[0012] In some embodiments, both ends of the operating rod are fixedly connected to a limit plate, and the limit plate may be provided with a plurality of small holes.
[0013] In some embodiments, baffles are provided on top of both ends of the first support member, and the baffles are located on the elastic component.
[0014] In some embodiments, the linkage structure includes a transmission rod, one end of which is sleeved on the operating rod and the other end is connected to the operating insulator.
[0015] The utility model provides a linkage structure of a vacuum circuit breaker disconnector. Compared with the prior art, the utility model has the following beneficial effects: the elastic component is hidden and has an aesthetic appearance; the double-layer spring is convenient for processing and assembly, thereby improving the compactness of the circuit breaker; and it can also reduce costs, increase efficiency, and extend the service life of the circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] 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 recorded in this application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0017] Figure 1 Shown is a schematic diagram of the overall structure of the vacuum circuit breaker disconnector of the present utility model;
[0018] Figure 2 Shown is a schematic diagram of the elastic component of the linkage structure of the vacuum circuit breaker disconnector of the present invention;
[0019] Figure 3 Shown is a cross-sectional view of the elastic component of the linkage structure of the vacuum circuit breaker disconnector of the present invention;
[0020] Figure 4 It shows a bottom view of the linkage structure A of the disconnector of the vacuum circuit breaker of the present invention;
[0021] Figure 5 Shown is a diagram of the connection holes and connecting rods of the linkage structure of the vacuum circuit breaker disconnector of the present invention.
[0022] 1-base, 11-first support member, 111-baffle, 12-second support member, 121-support plate, 122-connecting hole, 2-operating rod, 21-limiting plate, 211-small hole, 3-transmission rod, 4-operating insulator, 5-elastic component, 51-driving arm, 52-connecting shaft, 521-sleeve, 522-shaft rod, 53-support ring, 54-spring, 541-first spring, 542 second spring, 55-connecting rod. DETAILED DESCRIPTION
[0023] In order to help those skilled in the art better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making any creative efforts shall fall within the scope of protection of this application.
[0024] like Figure 1 As shown, the utility model provides a linkage structure of a vacuum circuit breaker disconnector, which includes a base 1, and the base 1 includes two first support members 11 at both ends and a second support member 12 connecting the first support members 11.
[0025] like Figure 1 and Figure 5 As shown, the first support member 11 may be provided with a through hole (not shown in the figure), and the linkage structure includes an operating rod 2. The through hole allows the operating rod 2 to pass through the first support member 11. The operating rod 2 is at least partially located between the two first support members 11. Furthermore, the diameter of the through hole is larger than the outer diameter of the operating rod 2. The two ends of the operating rod 2 are located outside the first support member 11. Baffles 111 are provided on the top of the two ends of the first support member 11. Support plates 121 are provided at both ends of the second support member 12, and connecting holes 122 are provided on the support plates 121.
[0026] like Figure 1As shown, the linkage structure includes a limit plate 21, and both ends of the operating rod 2 are fixed to the limit plate 21. The limit plate 21 can be provided with a plurality of small holes 211, and the small holes 211 are convenient for installation and disassembly. When the isolating switch is in operation, an operating mechanism can be provided on the operating rod 2 between the first support member 11 and the limit plate 21, and the operating mechanism can drive the operating rod 2 to rotate. The operating rod 2 is connected to a transmission rod 3, and one end of the transmission rod 3 is connected to the bottom of the operating insulator 4. When the operating mechanism is operated, the operating rod 2 can be operated to rotate counterclockwise, driving the transmission rod 3 to rotate counterclockwise to move the operating insulator 4 upward.
[0027] like Figure 1 and Figure 2 As shown, the linkage structure of the vacuum circuit breaker disconnector includes an elastic component 5. The elastic component 5 can be installed on the inner side wall of one side of the first support member 11. This is a hidden elastic component 5, which is more aesthetically pleasing and can also effectively protect the elastic component 5, thereby increasing the service life and compactness of the circuit breaker. The elastic component 5 is installed under the baffle 111 to prevent erosion by dust, wind and rain, etc. The elastic component 5 includes a driving arm 51, one end of which can be sleeved on the operating lever 2.
[0028] like Figure 2 As shown, the elastic component 5 includes a connecting shaft 52 , one end of which can be connected to the other end of the driving arm 51 , and the connecting shaft 52 includes a shaft sleeve 521 and a shaft rod 522 .
[0029] like Figure 2 As shown, the elastic component 5 includes a support ring 53 , and the support ring 53 is fixed to the shaft sleeve 521 .
[0030] like Figure 3 and Figure 4 As shown, the elastic component 5 includes a spring 54, one end of the spring 54 is fixed to the support ring 53, and the other end is fixed to the second support member 12, and the spring 54 includes a first spring 541 and a second spring 542, and the first spring 541 is sleeved outside the second spring 542.
[0031] like Figure 3 and Figure 5 As shown, the elastic assembly 5 includes a connecting rod 55, which is located within the inner cavity of the spring 54. One end of the connecting rod 55 is located within the support ring 53 and connected to the top of the shaft sleeve 521. The other end of the connecting rod 55 partially passes through the connecting hole 122 and is inserted into the second support member 12. The elastic assembly 5 can improve the operating efficiency of the disconnector.
[0032] In the description of the present utility model, it should be noted that when an element is referred to as being "fixed on" or "set on" another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0033] It should be understood that the terms "height", "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.
[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.
[0035] Throughout this specification, reference to terms such as "one embodiment," "certain embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with an embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative descriptions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
[0036] 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.
[0037] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A linkage structure of a vacuum circuit breaker disconnector, characterized in that: The linkage structure includes: A base, the base comprising two first support members located at both ends and a second support member connected to the first support members; an operating rod, the operating rod passing through the first support member and at least partially located between the two first support members, with both ends of the operating rod located outside the first support members; And an elastic component is arranged at the inner side wall of the first support member, one end of the elastic component is connected to the operating rod, and the other end is connected to the second support member, the elastic component includes a driving arm, one end of the driving arm is sleeved on the operating rod, and the other end of the driving arm is connected to a connecting shaft, the connecting shaft includes a sleeve and a shaft rod, a support ring is fixed on the sleeve, the elastic component includes a spring, one end of the spring is fixed to the support ring, and the other end of the spring is fixed to the second support member, a connecting rod is provided in the inner cavity of the support ring and the spring, one end of the connecting rod is connected to the top of the sleeve, and the other end is inserted into the second support member.
2. The linkage structure of the vacuum circuit breaker disconnector according to claim 1, characterized in that: The connecting rod portion is located in the cavity of the spring.
3. The linkage structure of the vacuum circuit breaker disconnector according to claim 1, characterized in that: The spring includes a first spring and a second spring, and the first spring is sleeved outside the second spring.
4. The linkage structure of the vacuum circuit breaker disconnector according to claim 1, characterized in that: A through hole is provided on the first supporting member, the diameter of the through hole is larger than the outer diameter of the operating rod, and baffles are provided on the tops of both ends of the first supporting member.
5. The linkage structure of the vacuum circuit breaker disconnector according to claim 1, characterized in that: Support plates are provided at both ends of the second support member. Connecting holes are provided on the support plates. The other end of the connecting rod is inserted into the connecting hole.
6. The linkage structure of the vacuum circuit breaker disconnector according to claim 1, characterized in that: Both ends of the operating rod are fixedly connected to a limit plate, and the limit plate may be provided with a plurality of small holes.
7. The linkage structure of the vacuum circuit breaker disconnector according to claim 1, characterized in that: Baffles are provided on top of both ends of the first support member, and the baffles are located on the elastic component.
8. The linkage structure of the vacuum circuit breaker disconnector according to claim 1, characterized in that: The linkage structure includes a transmission rod, one end of which is sleeved on the operating rod, and the other end of which is connected to the operating insulator.