CN221747035U - Contact structure, pole unit, change-over switch, low-voltage switch and distribution equipment - Google Patents
Contact structure, pole unit, change-over switch, low-voltage switch and distribution equipment Download PDFInfo
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- CN221747035U CN221747035U CN202323397558.1U CN202323397558U CN221747035U CN 221747035 U CN221747035 U CN 221747035U CN 202323397558 U CN202323397558 U CN 202323397558U CN 221747035 U CN221747035 U CN 221747035U
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- 238000009826 distribution Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 20
- 238000012546 transfer Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 238000000926 separation method Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The application provides a contact structure, a pole unit, a change-over switch, a low-voltage switch and distribution equipment, and relates to the technical field of piezoelectric devices. The contact structure comprises at least one group of moving contact groups, at least one group of fixed contact groups which are contacted with or separated from the moving contact groups, and at least one flexible connection, wherein a rotating shaft is arranged in the middle of the moving contact groups, one end of the flexible connection is sleeved on the rotating shaft and can rotate around the rotating shaft, the other end of the flexible connection is connected with a load, the flexible connection and the moving contact groups form electric connection, and the joint has angle degrees of freedom around the shaft core of the rotating shaft. The contact structure obtained by the design provides more degrees of freedom of the connecting part of the soft connection in a rotating connection mode, reduces the rotating deflection of the soft connection, and accordingly prolongs the service life of the soft connection.
Description
Technical Field
The application relates to the technical field of piezoelectric devices, in particular to a contact structure, a pole unit, a change-over switch, a low-voltage switch and power distribution equipment.
Background
In the electrical technical field, automatic transfer switches are used for providing uninterrupted power supply for loads and can be switched between different power supplies to ensure the continuity of power supply.
The contact structure of the automatic transfer switch is connected with the load end through soft connection so as to ensure the circuit communication; existing flexible connections are typically welded to the contact structure or rigidly connected by screws. The connection mode reduces the degree of freedom of the connection part of the soft connection and the contact structure, and if the rotating deflection is reduced to improve the service life of the soft connection, the distance from the contact structure to the load end needs to be prolonged, so that the length of the soft connection is increased, and a large enough movable space of the soft connection is provided.
Disclosure of utility model
The application provides a contact structure, which provides more degrees of freedom of a connecting part of soft connection in a rotating connection mode, reduces the rotating deflection of the soft connection and prolongs the service life of the soft connection.
Embodiments of the present application are implemented as follows:
In one aspect of the embodiments of the present application, a contact structure is provided, which includes at least one group of moving contact groups, at least one group of fixed contact groups contacting or separating from the moving contact groups, and at least one flexible connection, wherein a rotating shaft is arranged in the middle of the moving contact groups, one end of the flexible connection is sleeved on the rotating shaft and can rotate around the rotating shaft, the other end of the flexible connection is connected with a load, the flexible connection and the moving contact groups form an electrical connection, and the connection position has an angle degree of freedom around the axis core of the rotating shaft.
Optionally, the contact structure further comprises at least two elastic members, wherein the elastic members act on the end part of the flexible connection close to one end of the rotating shaft, so that the end part of the flexible connection is pressed by the elastic members and forms permanent electrical connection with the movable contact group.
Optionally, the movable contact group includes at least two contact plates and contact support that the stack set up, and the contact support is equipped with holding chamber and the first opening that is linked together with the holding chamber, and the holding chamber is used for holding at least two contact plates, and the tip of flexonics stretches into the holding intracavity through first opening in order to be connected with at least two contact plates electricity.
Optionally, the contact support further comprises two second openings which are oppositely arranged, the opening sizes of the two second openings are preset widths, and the end parts at two sides of the contact plate can respectively extend out of the two second openings and rotate in the opening ranges of the second openings so as to be contacted with or separated from the fixed contact group; the rotating shaft penetrates through the space between the two ends of the contact plate.
Optionally, when the contact structure comprises a flexible connection, one end of the flexible connection is sleeved on the rotating shaft and positioned between at least two contact plates, and the other end of the flexible connection is connected with the load; the elastic member is disposed between the contact support and the contact plate.
Optionally, when the contact structure includes two flexible connections, one ends of the two flexible connections are respectively disposed between the contact support and the contact plate, and the other ends are connected with the load; the elastic member is disposed between the contact support and the flexible connection.
In another aspect of the embodiments of the present application, there is also provided a pole unit including the above-mentioned contact structure.
On the other hand, the embodiment of the application also provides a change-over switch, which comprises a driving device, an operating mechanism and the contact structure, wherein the driving device drives the operating mechanism to drive the contact structure to realize the switching-on and switching-off functions of the change-over switch.
On the other hand, the embodiment of the application also provides a low-voltage switch, which comprises a driving device, an operating mechanism and the contact structure, wherein the driving device drives the operating mechanism to drive the contact structure to realize the switching-on and switching-off functions of the change-over switch.
On the other hand, the embodiment of the application also provides a power distribution device, wherein the power distribution device is provided with a low-voltage switch and/or a change-over switch, the low-voltage switch and/or the change-over switch comprises a driving device, an operating mechanism and the contact structure, and the driving device can drive the operating mechanism to drive the contact structure to realize the switching-on and switching-off functions of the low-voltage switch and/or the change-over switch.
The beneficial effects of the embodiment of the application at least comprise one of the following:
The contact structure provided by the application comprises at least one group of moving contact groups, at least one group of static contact groups which are contacted with or separated from the moving contact groups, and at least one flexible connection, so as to be used for switching power supply and effectively communicating circuits; the middle part of the moving contact group is provided with a rotating shaft, one end of the flexible connection is sleeved on the rotating shaft and can rotate around the rotating shaft, the other end of the flexible connection is connected with a load, the flexible connection and the moving contact group form electric connection, and the joint has an angle degree of freedom around the shaft core of the rotating shaft, so that the flexible connection can flexibly rotate to reduce the rotation deflection, and the service life of the flexible connection is prolonged. The contact structure obtained by the design provides more degrees of freedom of the connecting part of the soft connection in a rotating connection mode, reduces the rotating deflection of the soft connection, and accordingly prolongs the service life of the soft connection.
The pole unit provided by the embodiment of the application comprises the contact structure, and the pole unit provides more degrees of freedom of the connecting part of the soft connection in a rotating connection mode, so that the rotating deflection of the soft connection is reduced, and the service life of the soft connection and the reliability of the pole unit are improved.
The change-over switch provided by the embodiment of the application comprises the contact structure, the driving device and the operating mechanism, and can provide more degrees of freedom of the connecting part of the soft connection in a rotating connection mode, so that the rotating deflection of the soft connection is reduced, and the service life of the soft connection and the reliability of the change-over switch are improved.
The low-voltage switch provided by the embodiment of the application comprises the contact structure, the driving device and the operating mechanism, and can provide more degrees of freedom of the connecting part of the soft connection in a rotating connection mode, so that the rotating deflection of the soft connection is reduced, and the service life of the soft connection and the reliability of the low-voltage switch are improved.
The power distribution equipment provided by the embodiment of the application is provided with the low-voltage switch, and the low-voltage switch is matched with the power distribution equipment, so that the power distribution equipment can be operated and matched with the whole house intelligent and is matched with the intelligent home and the Internet of things industry to realize the intelligent management of the whole house.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a contact structure according to an embodiment of the present application;
FIG. 2 is a second schematic structural view of a contact structure according to an embodiment of the present application;
Fig. 3 is a schematic cross-sectional view of a contact structure according to an embodiment of the present application.
Icon: 100-moving contact groups; 101-contact plates; 102-contact support; 1021-a first opening; 1022-a second opening; 110-soft connection; 120-rotating shaft; 130-elastic member.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some, but not all, embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
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 formed; the connection can be mechanical connection or signal connection; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.
In one aspect of the embodiment of the present application, a contact structure is provided, which includes at least one group of moving contact groups 100, at least one group of static contact groups contacting or separating from the moving contact groups 100, and at least one flexible connection 110, wherein a rotating shaft 120 is arranged in the middle of the moving contact groups 100, one end of the flexible connection 110 is sleeved on the rotating shaft 120 and can rotate around the rotating shaft 120, the other end of the flexible connection 110 is connected with a load, the flexible connection 110 and the moving contact groups 100 form an electrical connection, and an angular degree of freedom exists around the axis core of the rotating shaft 120 at the connection position.
Specifically, the application provides a contact structure. Referring to fig. 1, the contact structure includes at least one moving contact set 100 and at least one fixed contact set. The movable contact group 100 can be rotated clockwise or counterclockwise to contact or separate from the movable contact group 100, thereby cutting off or communicating the power. The contact structure further includes at least one flexible connection 110, as shown in fig. 3, a rotating shaft 120 is disposed in the middle of the moving contact group 100, one end of the flexible connection 110 is sleeved on the rotating shaft 120, and the other end is connected with a load, so as to form an electrical connection with the moving contact group 100, and form a good electrical path. The end of the flexible connection 110 is capable of rotating about the shaft 120, with at least one degree of freedom at its connection to the shaft 120. At least one degree of freedom exists at the connection of the end of the flexible connection 110 and the rotation shaft 120 along the extension direction of the rotation shaft 120.
It should be noted that, in the embodiment of the present application, the end portion of the flexible connection 110 is movably sleeved on the rotating shaft 120, and the connection portion between the flexible connection and the rotating shaft 120 can rotate relative to the rotating shaft 120. The existing flexible connection is usually realized by adopting a direct welding or screw connection mode, the flexible connection is rigidly connected to the movable contact group, and the connection part of the flexible connection and the movable contact group is fixed. When the movable contact group rotates, the deflection of the soft connection is increased, the soft connection is easily damaged, and the service life of the soft connection is reduced.
In order to extend the service life of the flexible connection 110, a method is generally adopted to increase the length of the flexible connection 110 or to extend the distance from the movable contact group 100 to the load end so as to provide a large enough movable space for the flexible connection 110, and such an arrangement is easily limited by the structural size of the automatic transfer switch. The contact structure provided by the application can enable the end part of the flexible connection 110 to be sleeved on the rotating shaft 120 and to freely move relative to the rotating shaft 120, and when the movable contact group 100 rotates, the deflection of the flexible connection 110 is reduced, the flexible connection 110 is not easy to damage, and thus the service life of the flexible connection 110 is prolonged. Even if the distance from the movable contact group 100 to the load end is not prolonged, the reliability of the use process of the flexible connection 110 can be ensured; in the actual production process, the length of the flexible connection 110 can be properly shortened or the size structure of the automatic transfer switch can be reduced according to the actual situation, so that the flexible connection 110 can be ensured not to be damaged, and the service life of the flexible connection 110 is prolonged.
The contact structure provided by the application comprises at least one group of moving contact groups 100, at least one group of static contact groups which are contacted with or separated from the moving contact groups 100 and at least one flexible connection 110, so as to be used for switching power supply and effectively communicating circuits; the middle part of the moving contact group 100 is provided with a rotating shaft 120, one end of the flexible connection 110 is sleeved on the rotating shaft 120 and can rotate around the rotating shaft 120, the other end of the flexible connection 110 is connected with a load, the flexible connection 110 and the moving contact group 100 form electric connection, and at least one degree of freedom exists at the connection position, so that the flexible connection 110 can flexibly rotate to reduce rotation deflection, and the service life of the flexible connection 110 is prolonged. The contact structure obtained by the design provides more degrees of freedom of the connection part of the soft connection 110 in a rotating connection mode, reduces the rotating deflection of the soft connection 110, and prolongs the service life of the soft connection 110.
In one embodiment of the present application, the contact structure further includes at least two elastic members 130, and the elastic members 130 act on an end portion of the flexible connection 110 near one end of the rotating shaft 120, so that the end portion of the flexible connection 110 is pressed by the elastic members 130 and forms a permanent electrical connection with the movable contact group 100.
Specifically, please continue to refer to fig. 1. The contact structure further comprises at least two elastic members 130, wherein the elastic members 130 act on the end portion of the flexible connection 110, which is close to one end of the rotating shaft 120, and in a preferred scheme of the application, the at least two elastic members 130 are respectively sleeved at two ends of the rotating shaft 120, and the end portion of the flexible connection 110 is positioned between the at least two elastic members 130, so that the end portion of the flexible connection 110 is always under the pressure of the elastic members 130, and the end portion of the flexible connection 110 and the movable contact group 100 are ensured to form permanent electrical connection; of course, the elastic member 130 may be disposed at other positions of the contact structure, which is not limited in the present application, so long as the end of the flexible connection 110 is always pressed by the elastic member 130, so as to form a permanent electrical connection with the movable contact group 100.
It should be noted that, in a preferred embodiment of the present application, the elastic members 130 are selected from two compression springs, and the two compression springs are respectively sleeved at two opposite ends of the rotating shaft 120, so as to ensure that the end of the flexible connection 110 is permanently electrically connected with the movable contact group 100. Of course, other elastic members 130, such as leaf springs, may be selected in addition to the compression springs, and the specific arrangement of the elastic members 130 is not limited in the present application; in addition, the number of the elastic members 130 may be increased, so long as the end portion of the flexible connection 110 can be pressed and tightly connected with the movable contact group 100 permanently, and the number of the elastic members 130 is not limited.
Further, the movable contact group 100 includes at least two contact plates 101 and a contact support 102, the contact support 102 is provided with a receiving cavity and a first opening 1021 communicating with the receiving cavity, the receiving cavity is used for receiving the at least two contact plates 101, and an end portion of the flexible connection 110 extends into the receiving cavity through the first opening 1021 to be electrically connected with the at least two contact plates 101.
Specifically, as shown in fig. 1, the movable contact group 100 includes at least two contact plates 101, and the at least two contact plates 101 are stacked for clamping-type electrical connection to the stationary contact group. The movable contact group 100 further comprises a contact support 102, the contact support 102 is provided with a containing cavity, at least two contact plates 101 are placed in the containing cavity, and certain supporting and protecting effects can be achieved on the contact plates 101 and the flexible connection 110 through the arrangement of the contact support 102.
The rotating shaft 120 sequentially passes through the middle parts of the two contact plates 101 and is perpendicular to the plate surfaces of the two contact plates 101, so that two ends of the rotating shaft 120 are respectively and convexly arranged on the plate surfaces of the two contact plates 101. As shown in fig. 2, the contact support 102 is provided with a first opening 1021, and the first opening 1021 is communicated with the accommodating cavity, so that the end of the flexible connection 110 can extend into the accommodating cavity through the first opening 1021 and be electrically connected with at least two contact plates 101.
Further, the contact support 102 further includes two second openings 1022 disposed opposite to each other, where the openings of the two second openings 1022 are of a preset width, and the ends on two sides of the contact board 101 can respectively extend from the two second openings 1022 and rotate within the opening range of the second openings 1022, so as to contact or separate from the fixed contact group; the rotating shaft 120 is disposed between the two ends of the contact plate 101.
Specifically, as shown in fig. 2, the contact support 102 further includes two second openings 1022 disposed opposite to each other, where the opening size of the second openings 1022 is a preset width, so as to ensure the movable range of the contact board 101. The opposite ends of the contact plate 101 can be respectively protruded from the second openings 1022 and rotated within the opening range of the second openings 1022 to be respectively contacted with or separated from the fixed contact group, thereby realizing the switching of the power supply. The rotating shaft 120 is inserted in an intermediate position between both end portions of the contact plate 101.
In one embodiment of the present application, when the contact structure includes a flexible connection 110, one end of the flexible connection 110 is sleeved on the rotating shaft 120 and is located between at least two contact plates 101, and the other end is connected with a load; the elastic member 130 is disposed between the contact support 102 and the contact plate 101.
Specifically, when the contact structure includes a flexible connection 110, one end of the flexible connection 110 is sleeved on the rotating shaft 120, and is located between at least two contact plates 101, and the other end of the flexible connection 110 extends out from the first opening 1021 of the contact support 102 and is connected with a load. The elastic member 130 is disposed at two ends of the rotating shaft 120 and between the contact support 102 and the contact plate 101, and at this time, the upper side and the lower side of the flexible connection 110 are the contact plate 101, the elastic member 130 and the contact support 102 in sequence, and the elastic member 130 makes the flexible connection 110 and the contact plate 101 form a permanent electrical connection.
In one embodiment of the present application, when the contact structure includes two flexible connections 110, one ends of the two flexible connections 110 are respectively disposed between the contact support 102 and the contact board 101, and the other ends are connected with a load; the spring 130 is disposed between the contact support 102 and the flexible connection 110.
Specifically, as shown in fig. 1, when the contact structure includes two flexible connections 110, one ends of the two flexible connections 110 are respectively disposed between the contact support 102 and the contact board 101, and the two flexible connections 110 are disposed opposite to each other, that is, the two flexible connections 110 are respectively disposed opposite to one sides of the two contact boards 101 close to the contact support 102; the other ends of the two flexible connections 110 extend through the first opening 1021 of the contact support 102 and are connected to a load. The elastic member 130 is disposed through two ends of the rotating shaft 120 and between the flexible connection 110 and the contact support 102, so as to directly compress the end of the flexible connection 110 to make it permanently electrically connected with the contact board 101.
In another aspect of the embodiments of the present application, there is also provided a pole unit including the above-mentioned contact structure.
Specifically, the application also provides a pole unit which comprises the contact structure. The pole unit provides more degrees of freedom of the connection part of the flexible connection 110 in a rotating connection mode, reduces the rotating deflection of the flexible connection 110, and accordingly prolongs the service life of the flexible connection 110 and improves the reliability of the pole unit. The specific arrangement and beneficial effects of the contact structure have been described in detail above, and are not described in detail herein.
On the other hand, the embodiment of the application also provides a change-over switch, which comprises a driving device, an operating mechanism and the contact structure, wherein the driving device drives the operating mechanism to drive the contact structure to realize the switching-on and switching-off functions of the change-over switch. The change-over switch can provide more degrees of freedom of the connection part of the flexible connection 110 in a rotating connection mode, and reduces the rotating deflection of the flexible connection 110, so that the service life of the flexible connection 110 and the reliability of the change-over switch are improved.
On the other hand, the embodiment of the application also provides a low-voltage switch, which comprises a driving device, an operating mechanism and the contact structure, wherein the driving device drives the operating mechanism to drive the contact structure to realize the switching-on and switching-off functions of the change-over switch. The low-voltage switch can provide more degrees of freedom of the connection part of the soft connection 110 in a rotating connection mode, so that the rotating deflection of the soft connection 110 is reduced, and the service life of the soft connection 110 and the reliability of the low-voltage switch are improved.
On the other hand, the embodiment of the application also provides a power distribution device, wherein the power distribution device is provided with a low-voltage switch and/or a change-over switch, the low-voltage switch and/or the change-over switch comprises a driving device, an operating mechanism and the contact structure, and the driving device can drive the operating mechanism to drive the contact structure to realize the switching-on and switching-off functions of the low-voltage switch and/or the change-over switch. The power distribution equipment can be matched with the low-voltage switch and/or the change-over switch, the power distribution equipment can be operated and matched with the whole house intelligent, and the power distribution equipment is matched with the intelligent home and the Internet of things industry so as to realize the intelligent management of the whole house.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a contact structure, its characterized in that includes at least a set of moving contact group (100), at least a set of with moving contact group (100) contact or separation's stationary contact group and at least one flexible coupling (110), moving contact group (100) middle part is equipped with pivot (120), one end cover of flexible coupling (110) is located on pivot (120) and can wind pivot (120) is rotatory, the other end is connected with the load, flexible coupling (110) with moving contact group (100) form the electricity and junction is centers on the axle core of pivot (120) exists the angle degree of freedom.
2. The contact structure according to claim 1, characterized in that it further comprises at least two elastic elements (130), said elastic elements (130) acting on the end of said flexible connection (110) close to one end of said rotation shaft (120) so that the end of said flexible connection (110) is subjected to the pressure of said elastic elements (130) and forms a permanent electrical connection with said movable contact group (100).
3. The contact structure according to claim 2, wherein the movable contact group (100) comprises at least two contact plates (101) and a contact support (102) which are stacked, the contact support (102) is provided with a containing cavity and a first opening (1021) communicated with the containing cavity, the containing cavity is used for containing at least two contact plates (101), and the end part of the flexible connection (110) extends into the containing cavity through the first opening (1021) to be electrically connected with at least two contact plates (101).
4. A contact structure according to claim 3, wherein the contact support (102) further comprises two oppositely arranged second openings (1022), the openings of the two second openings (1022) are of a predetermined width, and the ends of the two sides of the contact plate (101) can respectively extend from the two second openings (1022) and rotate within the opening range of the second openings (1022) so as to contact with or separate from the fixed contact group; the rotating shaft (120) penetrates through the space between the two ends of the contact plate (101).
5. A contact structure according to claim 3, characterized in that, when the contact structure comprises a flexible connection (110), one end of the flexible connection (110) is sleeved on the rotating shaft (120) and is positioned between at least two contact plates (101), and the other end is connected with the load; the elastic member (130) is disposed between the contact support (102) and the contact plate (101).
6. A contact structure according to claim 3, characterized in that, when the contact structure comprises two flexible connections (110), one end of each of the two flexible connections (110) is arranged between the contact support (102) and the contact plate (101) and the other end is connected with the load; the elastic member (130) is disposed between the contact support (102) and the flexible connection (110).
7. A pole unit, characterized by comprising a contact structure according to any of the preceding claims 1-6.
8. The transfer switch is characterized by comprising a driving device, an operating mechanism and a contact structure according to any one of claims 1-6, wherein the driving device drives the operating mechanism to drive the contact structure to realize the switching-on and switching-off functions of the transfer switch.
9. The low-voltage switch is characterized by comprising a driving device, an operating mechanism and the contact structure as claimed in any one of claims 1-6, wherein the driving device drives the operating mechanism to drive the contact structure to realize the switching-on and switching-off functions of the low-voltage switch.
10. A power distribution device, characterized in that the power distribution device is provided with a low-voltage switch and/or a change-over switch, the low-voltage switch and/or the change-over switch comprises a driving device, an operating mechanism and the contact structure as claimed in any one of claims 1-6, and the driving device can drive the operating mechanism to drive the contact structure to realize the switching-on and switching-off functions of the low-voltage switch and/or the change-over switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323397558.1U CN221747035U (en) | 2023-12-12 | 2023-12-12 | Contact structure, pole unit, change-over switch, low-voltage switch and distribution equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323397558.1U CN221747035U (en) | 2023-12-12 | 2023-12-12 | Contact structure, pole unit, change-over switch, low-voltage switch and distribution equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221747035U true CN221747035U (en) | 2024-09-20 |
Family
ID=92736664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323397558.1U Active CN221747035U (en) | 2023-12-12 | 2023-12-12 | Contact structure, pole unit, change-over switch, low-voltage switch and distribution equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221747035U (en) |
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2023
- 2023-12-12 CN CN202323397558.1U patent/CN221747035U/en active Active
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