CN219716677U - Moving contact pressing sheet - Google Patents
Moving contact pressing sheet Download PDFInfo
- Publication number
- CN219716677U CN219716677U CN202321097081.2U CN202321097081U CN219716677U CN 219716677 U CN219716677 U CN 219716677U CN 202321097081 U CN202321097081 U CN 202321097081U CN 219716677 U CN219716677 U CN 219716677U
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- Prior art keywords
- contact
- straight line
- bending
- moving contact
- utility
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- 238000005452 bending Methods 0.000 claims abstract description 35
- 230000000994 depressogenic effect Effects 0.000 claims description 4
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Push-Button Switches (AREA)
Abstract
The utility model relates to a moving contact pressing sheet which comprises a first bending part, a second bending part, a first straight line part, a second straight line part and a concave part, wherein a first contact part is formed between the first bending part and the first straight line part, a second contact part is formed between the second bending part and the second straight line part, the first contact part and the second contact part are in contact with the surface of a moving contact, the concave part is respectively connected with the first straight line part and the second straight line part, and the first bending part and the second bending part are far away from the tilting of the moving contact. According to the utility model, by improving the structure of the pressing piece, the two ends of the original pressing piece directly act on the surface of the moving contact, so that the contact area is small, and the pressing force is low; therefore, the utility model increases the basic area and the action point is closer to the center by the first bending part, the second bending part and the first contact part and the second contact part, can still maintain certain pressing force even after abrasion, can not cause the condition of reducing the pressing force due to abrasion, and avoids the condition of loosening.
Description
Technical Field
The utility model relates to the technical field of dual-power automatic transfer switches, in particular to a movable contact pressing sheet.
Background
The change-over switch is also called a combined switch, and is a low-voltage switch for switching multiple loops, on the shaft of which a plurality of moving contacts are overlapped and welded, when the shaft rotates, the moving contacts are sequentially connected with or disconnected from the fixed contacts so as to achieve the function of switching circuits, and the circuits are changed from one group of connection to another group of connection of electric appliances, and the change-over switch is provided with two discrete and integrated types.
The existing dual-power automatic transfer switch comprises a middle cover and a base, wherein a push rod is arranged between the middle cover and the base, a plurality of moving contact installation cavities are formed in the push rod, moving contacts are arranged in the moving contact installation cavities and can be contacted with fixed contacts, the end parts of the left end and the right end of a pressing sheet are directly contacted with the moving contacts, the moving contacts and the fixed contacts are worn after long-term use, and the moving contacts after the two existing pressing sheets are combined to act on the moving contacts after being worn can cause looseness in the upper direction and the lower direction.
Disclosure of Invention
The utility model aims to provide a movable contact pressing sheet so as to solve the technical problems.
In order to achieve the above purpose, the utility model provides the following technical scheme,
the utility model provides a moving contact preforming, its characterized in that is used for setting up in one side of moving contact, and the preforming includes first bending portion, second bending portion, first straight line portion, second straight line portion and depressed part, be formed with first contact portion between first bending portion and the first straight line portion, form the second contact portion between second bending portion and the second straight line portion, first contact portion and second contact portion and moving contact surface contact, the depressed part respectively with first straight line portion and second straight line portion are connected, first bending portion and second bending portion keep away from the moving contact perk setting.
The utility model further provides that a round angle is formed between the first straight line part and the concave part, and a round angle is formed between the second straight line part and the concave part.
The utility model further provides that the tabletting is made of manganese steel.
The utility model has the beneficial effects that: according to the utility model, the pressing of the moving contact is realized by improving the structure of the pressing sheet, specifically, the first bending part and the second bending part are formed at the two ends of the pressing sheet, the two ends of the original pressing sheet directly act on the surface of the moving contact, the contact area is small, and the pressing force is low; therefore, the utility model increases the basic area and the action point is closer to the center by the first bending part, the second bending part and the first contact part and the second contact part, can still maintain certain pressing force even after abrasion, can not cause the condition of reducing the pressing force due to abrasion, and avoids the condition of loosening.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a perspective view of an embodiment of the present utility model.
Reference numeral 10, a first curved portion; 20. a second bending portion; 30. a first straight line portion; 40. a second straight line portion; 50. a recessed portion; 60. a first contact portion; 70. a second contact portion; 80. round corners; 90. a moving contact;
Detailed Description
The following detailed description of embodiments of the present utility model will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present utility model can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.
As shown in fig. 1-2, the moving contact pressing piece of the present utility model is configured to be disposed on one side of a moving contact, where the pressing piece includes a first bending portion 10, a second bending portion 20, a first straight line portion 30, a second straight line portion 40, and a concave portion 50, a first contact portion 60 is formed between the first bending portion 10 and the first straight line portion 30, a second contact portion 70 is formed between the second bending portion 20 and the second straight line portion 40, the first contact portion 60 and the second contact portion 70 are in contact with a surface of the moving contact, the concave portion 50 is connected with the first straight line portion 30 and the second straight line portion 40, and the first bending portion 10 and the second bending portion 20 are disposed away from the moving contact.
A rounded corner 80 is formed between the first straight portion 30 and the concave portion 50, and a rounded corner 80 is formed between the second straight portion 40 and the concave portion 50.
The pressed sheet is made of manganese steel.
According to the utility model, the pressing of the moving contact is realized by improving the structure of the pressing sheet, specifically, the first bending part 10 and the second bending part 20 are formed at the two ends of the pressing sheet, the original two ends of the pressing sheet directly act on the surface of the moving contact, the contact area is small, and the pressing force is low; therefore, the utility model increases the basic area and the action point is closer to the center by the first bending part 10, the second bending part 20, the first contact part 60 and the second contact part 70, and can still maintain a certain pressing force even after abrasion, and the condition that the pressing force is reduced due to abrasion is avoided, so that the loosening is avoided.
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (3)
1. The utility model provides a moving contact preforming, its characterized in that is used for setting up in one side of moving contact, and the preforming includes first bending portion, second bending portion, first straight line portion, second straight line portion and depressed part, be formed with first contact portion between first bending portion and the first straight line portion, form the second contact portion between second bending portion and the second straight line portion, first contact portion and second contact portion and moving contact surface contact, the depressed part respectively with first straight line portion and second straight line portion are connected, first bending portion and second bending portion keep away from the moving contact perk setting.
2. The movable contact pressing piece according to claim 1, wherein a round angle is formed between the first straight line portion and the concave portion, and a round angle is formed between the second straight line portion and the concave portion.
3. A moving contact press-fit as claimed in claim 2, wherein said press-fit is made of manganese steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321097081.2U CN219716677U (en) | 2023-05-09 | 2023-05-09 | Moving contact pressing sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321097081.2U CN219716677U (en) | 2023-05-09 | 2023-05-09 | Moving contact pressing sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219716677U true CN219716677U (en) | 2023-09-19 |
Family
ID=88003095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321097081.2U Active CN219716677U (en) | 2023-05-09 | 2023-05-09 | Moving contact pressing sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219716677U (en) |
-
2023
- 2023-05-09 CN CN202321097081.2U patent/CN219716677U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |