CN220324319U - Contact support for control and protection switch electric appliance - Google Patents
Contact support for control and protection switch electric appliance Download PDFInfo
- Publication number
- CN220324319U CN220324319U CN202321861067.5U CN202321861067U CN220324319U CN 220324319 U CN220324319 U CN 220324319U CN 202321861067 U CN202321861067 U CN 202321861067U CN 220324319 U CN220324319 U CN 220324319U
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- contact
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- movable contact
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- 230000003068 static effect Effects 0.000 claims abstract description 49
- 229920003023 plastic Polymers 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a contact support for a control and protection switch electric appliance, which comprises a contact support and a static contact piece at the outer side of the contact support; the outer wall of the bottom end of the contact support is fixedly provided with a movable contact piece positioned below the static contact piece, and the top of the movable contact piece and the bottom of the static contact piece are respectively provided with a movable contact disc and a static contact disc; the top surface of the movable contact piece is fixedly provided with a contact frame positioned at the outer side of the movable contact disc, the inner side of the contact frame is provided with a pressing plate, the inner wall of the contact frame is fixedly connected with the pressing plate through a bearing column, and the bearing column is made of elastic plastic; the contact support of the control and protection switch electrical appliance is realized through the arrangement of each component on the top side of the movable contact piece, when the movable contact piece is lifted up to enable the top surface of the movable contact disc on the inner side of the contact frame to be in contact with the bottom surface of the static contact disc, the static contact disc can apply thrust to the pressing plate from inside to outside, and then the inner wall of the pressing plate is tightly attached to the outer wall of the static contact disc, so that the problem that the conventional device is difficult to clamp and protect the contact surfaces of the movable contact disc and the static contact disc according to requirements is solved.
Description
Technical Field
The utility model relates to the technical field of contacts of switching devices, in particular to a contact support for controlling and protecting a switching device.
Background
At present, the contact support of the control and protection switch electrical appliance provided in the market generally comprises a contact support, a contact bridge is arranged on the contact support in a penetrating way, movable contacts are arranged on two sides of the contact bridge, the movable contacts can vibrate when the contact support is closed, vibration or bouncing can be generated when the contact support is sucked, the movable contacts are easy to burn, and therefore the service life is greatly reduced.
Through searching, in the application with the patent application number of CN202023042466.8, a contact support of a control and protection switch appliance is disclosed, the control and protection switch appliance comprises a contact support and a base, wherein a contact bridge is arranged on the contact support in a penetrating way, movable contacts are arranged on two sides of the contact bridge, a stand column is arranged on the base, a first spring extending into the contact support and propping against the lower end of the contact bridge is sleeved outside the stand column, a groove is arranged on the stand column, and a second spring extending into the contact support and propping against the lower end of the contact bridge is arranged in the groove; the above-mentioned application file passes through the setting of two sets of springs, realizes the absorbing effect through two sets of springs, but in fact, two sets of springs can only reduce the small vibrations that the contact supports the transmission, in case the contact supports and takes place the vibrations of relatively big amplitude, then two sets of springs not only can carry out corresponding shock attenuation, can aggravate vibration amplitude even.
Therefore, we propose a contact support for controlling and protecting a switching device.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a contact support for a control and protection switch electric appliance, and solves the problem that the prior device is difficult to clamp and protect the contact surfaces of a movable contact disc and a static contact disc according to requirements.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a contact support for controlling and protecting a switching device comprises a contact support and a static contact piece on the outer side of the contact support;
the outer wall of the bottom end of the contact support is fixedly provided with a movable contact piece positioned below the static contact piece, and the top of the movable contact piece and the bottom of the static contact piece are respectively provided with a movable contact disc and a static contact disc;
the top surface of the movable contact piece is fixedly provided with a contact frame positioned at the outer side of the movable contact disc, the inner side of the contact frame is provided with a pressing plate, the inner wall of the contact frame is fixedly connected with the pressing plate through a bearing column, and the bearing column is made of elastic plastic.
Preferably, the pressing plate is an arc-shaped plate, and the initial angle of the pressing plate is forty-five degrees.
Preferably, the initial height of the pressing plate and the top surface of the movable contact disc are on the same horizontal plane.
Preferably, the bearing column is an oblique L-shaped column, and the overall height of the pressing plate at the outer end of the bearing column is the same as the heights of the movable contact disc and the static contact disc.
Preferably, the outer wall of the static contact plate is fixedly provided with three groups of pressing blocks with opposite positions, the pressing blocks are arc-shaped annular blocks, the pressing blocks are positioned at the center of the outer wall of the static contact plate, and the three groups of pressing blocks are opposite to the three groups of pressing plates.
Preferably, the height of the contact frame is the same as the heights of the movable contact disc and the static contact disc, and the heights of the movable contact disc and the static contact disc are the same.
The utility model provides a contact support for controlling and protecting a switching device. The beneficial effects are as follows:
the contact support of the control and protection switch electrical appliance is realized through the arrangement of each component on the top side of the movable contact piece, when the movable contact piece is lifted to enable the top surface of the movable contact disc on the inner side of the contact frame to be in contact with the bottom surface of the static contact disc, the static contact disc can apply thrust to the pressing plate from inside to outside, so that the inner wall of the pressing plate is tightly attached to the outer wall of the static contact disc, and meanwhile, the pressing plate can be integrally pushed downwards through the arrangement of the pressing block on the outer wall of the static contact disc, so that the pressing plate is pressed on the outer side of the contact surface of the movable contact disc and the contact surface of the static contact disc, the effect of high-efficiency limit pressing on the contact surface of the movable contact disc and the contact surface of the static contact disc is achieved, and the problem that the conventional device is difficult to clamp and protect the contact surface of the movable contact disc and the static contact disc according to requirements is solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the contact support of the present utility model;
FIG. 3 is a schematic view of a static contact according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
In the figure: 1. a contact support; 2. a movable contact; 21. a movable contact plate; 22. a touch frame; 23. a pressing plate; 24. a receiving column; 3. a stationary contact; 31. a stationary contact plate; 32. and (5) briquetting.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the embodiment of the present utility model provides a technical solution: a contact support for controlling and protecting a switch electric appliance comprises a contact support 1 and a static contact 3 on the outer side of the contact support;
a movable contact piece 2 positioned below the static contact piece 3 is fixedly arranged on the outer wall of the bottom end of the contact support 1, and a movable contact disc 21 and a static contact disc 31 are respectively arranged at the top of the movable contact piece 2 and the bottom of the static contact piece 3;
the top surface of the movable contact piece 2 is fixedly provided with a contact frame 22 positioned at the outer side of the movable contact disc 21, the inner side of the contact frame 22 is provided with a pressing plate 23, the inner wall of the contact frame 22 is fixedly connected with the pressing plate 23 through a bearing column 24, and the bearing column 24 is made of elastic plastic;
in this embodiment, it should be noted that, in the contact support of the control and protection switch, through the arrangement of each component on the top side of the movable contact 2, when the movable contact 2 is lifted up to make the top surface of the movable contact disc 21 on the inner side of the contact frame 22 contact with the bottom surface of the static contact disc 31, the static contact disc 31 will apply a pushing force to the pressing plate 23 from inside to outside at this moment, so that the inner wall of the pressing plate 23 is tightly attached to the outer wall of the static contact disc 31, and meanwhile, the pressing plate 23 can be integrally pushed downward by the arrangement of the pressing block 32 on the outer wall of the static contact disc 31, so that the pressing plate 23 is pressed on the outer side of the contact surface of the movable contact disc 21 and the static contact disc 31, thereby achieving the effect of high-efficiency limiting and pressing the contact surface of the movable contact disc 21 and the static contact disc 31, and solving the problem that the existing device is difficult to clamp and protect the contact surface of the movable contact disc 21 and the static contact disc 31 according to the requirement.
In the present embodiment, it should be noted that, the pressing plate 23 is an arc plate, and the initial angle of the pressing plate 23 is forty-five degrees;
the arc plate of the pressing plate 23 is convenient for the stability of the inner wall of the arc plate when the inner wall of the arc plate is clung to the outer walls of the movable contact disc 21 and the static contact disc 31, and the angle of the arc plate is convenient for extruding the arc plate from inside to outside through the static contact disc 31, so that the pressing plate 23 can press the contact surfaces of the movable contact disc 21 and the static contact disc 31 correspondingly.
In this embodiment, it should be noted that, the initial height of the pressing plate 23 is on the same horizontal plane with the top surface of the movable contact plate 21;
wherein the arrangement of the pressing plate 23 facilitates the lateral press fitting of the stationary contact disc 31 when it is in contact with the movable contact disc 21.
In this embodiment, it should be noted that the receiving column 24 is an oblique L-shaped column, and the overall height of the outer end pressing plate 23 of the receiving column 24 is the same as the heights of the movable contact plate 21 and the stationary contact plate 31.
In this embodiment, it should be noted that three sets of pressing blocks 32 with opposite positions are fixedly mounted on the outer wall of the stationary contact disc 31, the pressing blocks 32 are arc-shaped annular blocks, the pressing blocks 32 are located at the center of the outer wall of the stationary contact 3, and the three sets of pressing blocks 32 are opposite to the three sets of pressing plates 23.
In the present embodiment, it should be noted that the height of the contact frame 22 is the same as the heights of the movable contact pad 21 and the stationary contact pad 31, and the heights of the movable contact pad 21 and the stationary contact pad 31 are the same.
The working principle and the using flow of the utility model are as follows: when the device works, the movable contact piece 2 is lifted through the contact support 1, at the moment, the movable contact disc 21 moves upwards, meanwhile, the contact frame 22 is sleeved on the outer side of the fixed contact disc 31, in the moving-up process of the movable contact disc 21, the fixed contact disc 31 is contacted with the pressing plate 23, meanwhile, the fixed contact disc 31 presses the pressing plate 23 outwards from inside to outside to the fixed contact disc 31, the inner wall of the fixed contact disc 31 is tightly attached to the outer wall of the fixed contact disc 31, meanwhile, the pressing plate 23 is pressed by the pressing block 32 from top to bottom, so that the pressing block 32 is pressed on the outer sides of the contact surfaces of the fixed contact disc 31 and the movable contact disc 21, and the contact surfaces of the movable contact disc 21 and the fixed contact disc 31 are limited and pressed by the supporting columns 24 and the pressing plate 23, so that the problem that the conventional device is difficult to clamp and protect the contact surfaces of the movable contact disc 21 and the fixed contact disc 31 according to requirements is solved.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A contact support for controlling and protecting a switching device comprises a contact support (1) and a static contact (3) at the outer side of the contact support;
the method is characterized in that: a movable contact piece (2) positioned below the static contact piece (3) is fixedly arranged on the outer wall of the bottom end of the contact support (1), and a movable contact disc (21) and a static contact disc (31) are respectively arranged at the top of the movable contact piece (2) and the bottom of the static contact piece (3);
the movable contact plate is characterized in that a contact frame (22) positioned on the outer side of the movable contact plate (21) is fixedly installed on the top surface of the movable contact plate (2), a pressing plate (23) is arranged on the inner side of the contact frame (22), the pressing plate (23) is fixedly connected to the inner wall of the contact frame (22) through a bearing column (24), and the bearing column (24) is made of elastic plastics.
2. A contact support for a control and protection switching device according to claim 1, wherein: the pressing plate (23) is an arc-shaped plate, and the initial angle of the pressing plate (23) is forty-five degrees.
3. A contact support for a control and protection switching device according to claim 1, wherein: the initial height of the pressing plate (23) is on the same horizontal plane with the top surface of the movable contact disc (21).
4. A contact support for a control and protection switching device according to claim 1, wherein: the bearing column (24) is an oblique L-shaped column, and the overall height of the pressing plate (23) at the outer end of the bearing column (24) is the same as the heights of the movable contact disc (21) and the static contact disc (31).
5. A contact support for a control and protection switching device according to claim 1, wherein: the outer wall of the static contact disc (31) is fixedly provided with three groups of pressing blocks (32) with opposite positions, the pressing blocks (32) are arc-shaped annular blocks, the pressing blocks (32) are positioned at the center of the outer wall of the static contact sheet (3), and the three groups of pressing blocks (32) are opposite to the three groups of pressing plates (23).
6. A contact support for a control and protection switching device according to claim 1, wherein: the height of the touch frame (22) is the same as the height of the movable touch disc (21) and the static touch disc (31), and the heights of the movable touch disc (21) and the static touch disc (31) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321861067.5U CN220324319U (en) | 2023-07-14 | 2023-07-14 | Contact support for control and protection switch electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321861067.5U CN220324319U (en) | 2023-07-14 | 2023-07-14 | Contact support for control and protection switch electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220324319U true CN220324319U (en) | 2024-01-09 |
Family
ID=89419564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321861067.5U Active CN220324319U (en) | 2023-07-14 | 2023-07-14 | Contact support for control and protection switch electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220324319U (en) |
-
2023
- 2023-07-14 CN CN202321861067.5U patent/CN220324319U/en active Active
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