CN220420457U - Contact device for controlling and protecting switch electric appliance - Google Patents
Contact device for controlling and protecting switch electric appliance Download PDFInfo
- Publication number
- CN220420457U CN220420457U CN202321828641.7U CN202321828641U CN220420457U CN 220420457 U CN220420457 U CN 220420457U CN 202321828641 U CN202321828641 U CN 202321828641U CN 220420457 U CN220420457 U CN 220420457U
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- China
- Prior art keywords
- contact
- support
- locating piece
- spliced pole
- control
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- 230000003068 static effect Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model relates to the technical field of low-voltage electrical appliances, in particular to a contact device for controlling and protecting a switch electrical appliance. The advantages are that: the support is inserted in the spread groove through the spliced pole, when dismantling partial contact and support, pull the piece pulling of contact support top, the pull piece passes through the stay cord pulling locating piece, make the locating piece shrink to in the spout, the draw-in groove that the locating piece breaks away from, support the contact with the support, can be more convenient support the change to partial contact, when supporting the connection with support with the contact, insert the spliced pole to in the spread groove, the inserted bar can insert in the jack this moment, the inclined plane that spliced pole promoted locating piece one side makes the locating piece shrink to in the spout, promote the locating piece through the spring and make the locating piece automatic insert to in the draw-in groove that spliced pole one side was seted up, thereby make the connection between support and the contact support more stable.
Description
Technical Field
The utility model relates to the technical field of piezoelectric devices, in particular to a contact device for controlling and protecting a switching device.
Background
The contact is one of key components of the switch electrical appliance, and can be divided into a breakable contact, a sliding contact and a fixed contact according to the structural and working characteristics, and the main performance and the service life of the switch electrical appliance are greatly dependent on the quality of a contact material, wherein the contact material is generally required to have good conductivity, lower contact resistance, higher fusion welding resistance, higher arc erosion resistance and higher material transfer resistance.
The contact pushing device of the control and protection switch electrical appliance disclosed in the Chinese patent CN214672258U effectively avoids the phenomena of cracks and sliding buckles in the prior art by riveting a plurality of rivets with a bracket, improves the consistency of supporting the bracket pushing contact, further ensures more accurate action of a contact bridge and a movable contact, avoids the phenomenon of contact burning, and has more stable bracket structure, but the contact pushing device of the control and protection switch electrical appliance has the following defects when solving the problems:
the support is connected with a plurality of contact supports through rivets, but after the contact switch of the electric appliance is used for a long time, part of the contact supports are aged and damaged, so that the support needs to be replaced.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an object of the present utility model is to provide a contact device for controlling and protecting a switching device, which solves the problems mentioned in the background art and overcomes the drawbacks of the prior art.
In order to achieve the above object, an embodiment of an aspect of the present utility model provides a contact device for controlling and protecting a switching apparatus, including a contact support and a support, wherein a connection slot is provided on one side of an upper portion of the contact support, an inserting rod is fixedly connected to an inside of the connection slot, a sliding slot is provided inside an upper portion of the contact support, a positioning block is slidably connected to an inside of the sliding slot, a fixing column is fixedly connected to an inside of the sliding slot, a spring is sleeved on an outer surface of the fixing column, a pull rope is provided in a middle portion of the positioning block, a pull block is fixedly connected to one end of the pull rope, a connection column is fixedly connected to one end of the support, an inserting hole is provided at one end of the connection column, and a clamping slot is provided at one side of the connection column.
It is preferable in any of the above-described modes that the lower portion of the contact support is provided with a contact bridge that facilitates connection of the movable contact.
By any of the above schemes, it is preferable that the two sides of the contact bridge are provided with movable contacts, and the movable contacts conveniently provide contact between the contact bridge and the stationary contacts.
By any of the above schemes, it is preferable that the two sides of the contact support are provided with static contact pieces, and the static contact pieces are convenient to connect with the static contacts.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. the support is inserted in the connecting groove through the connecting column, when partial contact support is detached, the pull block above the contact support is pulled, the pull block pulls the positioning block through the pull rope, the positioning block is contracted into the sliding groove, and the support can be separated from the contact support through the clamping groove separated from the positioning block at the moment, so that the partial contact support can be replaced conveniently.
2. When the support is connected with the contact support, the connecting column is inserted into the connecting groove, the inserting rod is inserted into the inserting hole, the inclined surface on one side of the positioning block is pushed by the connecting column to enable the positioning block to shrink into the sliding groove, the positioning block is pushed by the spring to enable the positioning block to be automatically inserted into the clamping groove formed on one side of the connecting column, and therefore connection between the support and the contact support is stable.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of the overall structure according to the present utility model;
FIG. 2 is a schematic view of a positioning block according to the present utility model;
fig. 3 is a schematic structural view of a connecting column according to the present utility model.
Wherein: 1. the contact supports, 2, a connecting groove, 3, an inserting rod, 4, a sliding groove, 5, a positioning block, 6, a fixed column, 7, a spring, 8, a pull rope, 9, a pull block, 10, a bracket, 11, an inserting hole, 12, a clamping groove, 13, a contact bridge, 14, a movable contact, 15 and a static contact.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1-3, a contact device for controlling and protecting a switching device in this embodiment includes a contact support 1 and a support 10, the contact support 1 is provided in plurality, one end of the support 10 is fixedly connected with a plurality of connection columns inserted in the connection slot 2, the jack 11 and the clamping slot 12 are all opened on the connection column, the connection slot 2 is opened at one side of the upper portion of the contact support 1, the connection column at one side of the support 10 is connected with the connection slot of the contact support 1, the inserted rod 3 is fixedly connected with the inside of the connection slot 2, when the connection column is inserted in the connection slot 2, the inserted rod 3 is inserted in the jack 11, the chute 4 is provided in the upper portion of the contact support 1, the chute 4 is matched with the positioning block 5, the inside of the chute 4 is slidably connected with the positioning block 5, the positioning block 5 is a triangular block, the inside of the chute 4 is fixedly connected with the fixing column 6, the outer surface of the fixing column 6 is sleeved with a spring 7, the spring 7 pushes the positioning block 5 to reset, the middle of the positioning block 5 is provided with a pull rope 8, one end of the pull block 8 is fixedly connected with a pull block 9, a worker can pull the pull block 8 pulls the positioning block 8, the pull block 8 can pull the positioning block 5 to pull the jack 8, the jack 16 is connected with the jack 16, one end of the chute 16 is connected with the positioning block 16, and one end of the chute is connected with the positioning block 16.
Example 1: the positioning block 5 slides on the outer side of one end of the fixed column 6, the positioning block 5 slides on the outer surface of the fixed column 6, and the positioning block 5 pushes the spring 7 to shrink.
Example 2: the inserted link 3 is movably inserted into the jack 11, and the inserted link 3 is inserted into the jack 11 formed at one end of the bracket 10 to further connect and limit the bracket 10.
Example 3: one end of the connecting column 16 is movably inserted into the connecting groove 2, and the connecting column fixedly connected with one end of the bracket 10 is inserted into the connecting groove 2, so that the inserting rod 3 is inserted into the inserting hole, and the positioning block 5 is clamped into the clamping groove 12, so that the bracket 10 is connected with the contact support 1.
Example 4: the lower part of the contact support 1 is provided with a contact bridge 13, and the contact bridge 13 performs control movement through the contact support 1.
Example 5: the two sides of the contact bridge 13 are provided with movable contacts 14, and the movable contacts 14 are controlled to be contacted with the fixed contacts through the contact bridge 13.
Example 6: the two sides of the contact support 1 are provided with a static contact 15, and the lower part of the static contact 15 is provided with a static contact corresponding to the movable contact.
The working principle of the utility model is as follows: when the connecting device is used, the support 10 is inserted into the connecting groove 2 through the connecting column 16 with one end fixedly connected, at the moment, the inserting rod 3 in the connecting groove 2 is inserted into the inserting hole 11 formed in one end of the connecting column 16, when the connecting column 16 is inserted into the connecting groove 2, the connecting column 16 can push the inclined surface of the positioning block 5 to enable the positioning block 5 to shrink into the sliding groove 4, after the connecting column 16 reaches a proper position, the spring 7 can push the positioning block 5 to be inserted into the clamping groove 12 formed in one side of the connecting column 16, the connecting column 16 is positioned in the connecting groove 2, the contact support 1 and the support 10 are connected and fixed, so that the connecting structure of the contact support 1 and the support 10 is more stable, when the support 10 needs to be disassembled, a worker pulls the pull block 9 above the contact support 1 through a tool, and pulls the positioning block 5 to shrink into the sliding groove 4 through the pull rope 8, so that the positioning block 5 is separated from the clamping groove 12, and at the moment, the worker can rapidly disassemble the support 10 and the contact support 1.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
1. the support 10 is inserted in the connecting groove 2 through the connecting column 16 and is connected with the contact support 1, when a part of the contact support 1 needs to be disassembled, a worker pulls the pull block 9 above the contact support 1 by using a tool, the pull block 9 pulls the positioning block 5 through the pull rope 8, the positioning block 5 is contracted into the sliding groove 4, at the moment, the positioning block 5 is separated from the clamping groove 12 formed in one side of the connecting column 16, and the worker can separate the support 10 from the contact support 1, so that the part of the contact support 1 can be replaced conveniently.
2. When the support 10 is required to be connected with the contact support 1, a worker inserts the connecting column 16 at one end of the support 10 into the connecting groove 2 formed in one side of the contact support 1, at the moment, the inserting rod 3 in the connecting groove 2 is inserted into the inserting hole 11 formed in one end of the connecting column 16, the inclined plane at one side of the positioning block 5 is pushed by the connecting column 16 to enable the positioning block 5 to shrink into the sliding groove 4, and the positioning block 5 is pushed by the spring 7 to enable the positioning block 5 to be automatically inserted into the clamping groove 12 formed in one side of the connecting column 16, so that connection between the support 10 and the contact support 1 is more stable.
Claims (7)
1. The utility model provides a control and protection switch electrical apparatus's contact device, its characterized in that, including contact support (1) and support (10), spread groove (2) have been seted up to upper portion one side of contact support (1), inside fixedly connected with inserted bar (3) of spread groove (2), spout (4) have been seted up to the upper portion inside of contact support (1), the inside sliding connection of spout (4) has locating piece (5), the inside fixedly connected with fixed column (6) of spout (4), the surface cover of fixed column (6) is equipped with spring (7), the middle part of locating piece (5) is provided with stay cord (8), the one end fixedly connected with of stay cord (8) draws piece (9), one end fixedly connected with spliced pole (16) of support (10), jack (11) have been seted up to one end of spliced pole (16), draw-in groove (12) have been seted up to one side of spliced pole (16).
2. Contact arrangement for a control and protection switching device according to claim 1, characterized in that the positioning block (5) slides outside one end of the fixed column (6).
3. Contact arrangement for a control and protection switching device according to claim 1, characterized in that the plug rod (3) is movably inserted inside the receptacle (11).
4. Contact arrangement for a control and protection switching device according to claim 1, characterized in that one end of the connecting column (16) is movably inserted into the interior of the connecting slot (2).
5. Contact arrangement for a control and protection switching device according to claim 1, characterized in that the lower part of the contact support (1) is provided with a contact bridge (13).
6. Contact arrangement for a control and protection switching device according to claim 5, characterized in that the contact bridge (13) is provided with movable contacts (14) on both sides.
7. Contact arrangement for a control and protection switching device according to claim 1, characterized in that the contact support (1) is provided with stationary contacts (15) on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321828641.7U CN220420457U (en) | 2023-07-12 | 2023-07-12 | Contact device for controlling and protecting switch electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321828641.7U CN220420457U (en) | 2023-07-12 | 2023-07-12 | Contact device for controlling and protecting switch electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220420457U true CN220420457U (en) | 2024-01-30 |
Family
ID=89658122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321828641.7U Active CN220420457U (en) | 2023-07-12 | 2023-07-12 | Contact device for controlling and protecting switch electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220420457U (en) |
-
2023
- 2023-07-12 CN CN202321828641.7U patent/CN220420457U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |