CN211125437U - Push switch - Google Patents
Push switch Download PDFInfo
- Publication number
- CN211125437U CN211125437U CN201922463953.2U CN201922463953U CN211125437U CN 211125437 U CN211125437 U CN 211125437U CN 201922463953 U CN201922463953 U CN 201922463953U CN 211125437 U CN211125437 U CN 211125437U
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- Prior art keywords
- movable contact
- frame
- contact
- rod
- rotating shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 238000003825 pressing Methods 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims 2
- 230000003068 static effect Effects 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a press switch, the movable contact frame part of which comprises a movable contact frame, a movable contact assembly and a movable contact pressure spring, the movable contact frame part is driven by a driving part and can be switched between a first position and a second position, the movable contact assembly comprises a movable contact and a movable contact arranged on the movable contact, and the movable contact is arranged on the movable contact frame through the movable contact pressure spring; the terminal assembly comprises a terminal and a fixed contact arranged on the terminal, and the fixed contact corresponds to the movable contact; when the movable contact is at the first position, the fixed contact and the movable contact are separated; when in the second position, the static contact and the movable contact are abutted; the auxiliary frame is rotatably arranged, a first side of the auxiliary frame is linked with the driving part, a second side of the auxiliary frame is linked with the movable contact frame, when the auxiliary frame moves to a first position, the first side is driven by the driving part to rotate, the second side of the auxiliary frame is linked with the movable contact frame, and the movable contact of the movable contact frame is separated from the fixed contact of the terminal post assembly. The utility model discloses under the unusual condition that kick spring inoperative or the contact appears and welds, break off the contact to eliminate the potential safety hazard.
Description
Technical Field
The utility model relates to an electrical apparatus switch technical field, in particular to be applied to electric tool's such as angle mill, cutting machine press the switch.
Background
Under the normal condition of the existing push switch, the button is pushed to the bottom, and the switch is switched on; after the switch is turned on, the button is released and the switch returns to the initial off free state. In the process, the snap spring plays an indispensable role, and under the drive of the snap spring, the movable contact frame component acts, so that the switch is switched on or off.
However, if the snap spring is broken, the snap spring cannot play a snap role, the movable contact frame part cannot be driven to restore the initial off state, and the switch is still in the on state; or, although the snap spring is intact, when the switch is reset, the snap spring passes through a snap critical line to generate snap, if the abnormal condition of contact welding occurs, the snap force is not enough to overcome the welding force between the contacts, the contacts are not disconnected, and the switch is still in a connected state. Therefore, there is a safety hazard.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the above-mentioned technology to a certain extent. Therefore, an object of the present invention is to provide a push switch, which can cut off the contact to eliminate the potential safety hazard when the snap spring is not working or the contact is welded.
In order to achieve the above object, an embodiment of the present invention provides a push switch, including a base and an upper cover, the base and the upper cover cooperate with each other to form an accommodating space, the accommodating space is provided with:
the moving contact frame component comprises a moving contact frame, a moving contact assembly and a moving contact pressure spring, and is driven by the driving component and can be switched between a first position and a second position; the moving contact component comprises a moving contact and a moving contact arranged on the moving contact, and is arranged on the moving contact frame through a moving contact pressure spring;
the terminal assembly comprises a terminal and a fixed contact arranged on the terminal, and the fixed contact corresponds to the movable contact; when in the first position, the fixed contact and the movable contact are separated; when in the second position, the fixed contact and the movable contact are abutted;
the auxiliary frame is rotatably arranged, a first side of the auxiliary frame is linked with the driving part, a second side of the auxiliary frame is linked with the movable contact frame, when the auxiliary frame moves to a first position, the first side is driven by the driving part to rotate, the second side of the auxiliary frame is linked with the movable contact frame, and the movable contact of the movable contact frame part is separated from the fixed contact of the terminal post assembly.
According to the utility model discloses press the switch, because the rotatable setting of auxiliary frame, its first side with the drive assembly linkage, the second side with the movable contact frame linkage, when moving to the primary importance, the first side by the drive assembly orders about the rotation, the linkage of second side the movable contact frame, the movable contact of movable contact frame part breaks away from the stationary contact of binding post subassembly. Therefore, even under the abnormal condition that the snap spring does not work or the contact welding occurs, the auxiliary frame can drive the movable contact frame, and the movable contact of the movable contact frame part is far away from the fixed contact of the terminal post assembly, so that the potential safety hazard is eliminated.
In addition, according to the present invention, the push switch provided in the above embodiment may further have the following additional technical features:
further, the auxiliary frame comprises a rotating shaft, an upper rod and a lower rod, the rotating shaft is rotatably arranged in the accommodating space, the upper rod is radially arranged on the first side of the rotating shaft and is linked with the driving part, and the lower rod is radially arranged on the second side of the rotating shaft and is linked with the movable contact frame; when the movable contact is moved to the first position, the upper rod is driven to rotate by the driving part, the lower rod is linked with the movable contact frame, and the movable contact of the movable contact frame part is separated from the fixed contact of the terminal post assembly.
Further, the upper rod is provided with one or two, and the lower rod is positioned at the lower side of the upper rod.
Furthermore, the movable contact frame is provided with a window for the rotating shaft to pass through, the window accommodates the lower rod, the side wall of the window is matched with the lower rod, and the upper rod is arranged on two sides of the top of the window.
Further, the base is provided with a limiting groove which is matched with the two ends of the rotating shaft and is used for the rotating shaft to rotate in the limiting groove, and the upper cover is provided with a pressing block which is matched with the limiting groove and limits the rotating shaft to fall off.
Further, the driving part comprises a button, a pull rod, a first elastic piece and a second elastic piece;
the button is hinged with the upper cover;
the first end of the pull rod is positioned in the accommodating space, and the second end of the pull rod is hinged with the button; when the button is pressed down, the second end of the pull rod is far away from the accommodating space;
two ends of the first elastic piece are respectively abutted against the upper cover and the pull rod, so that restoring force towards the accommodating space is provided for the pull rod;
two ends of the second elastic piece are respectively abutted against the pull rod and the movable contact frame, and when the movable contact frame is at the first position, the second elastic piece provides elastic force for the movable contact to be far away from the corresponding fixed contact; when the movable contact frame is at the second position, the second elastic piece provides elastic force for the movable contact to the corresponding fixed contact.
Furthermore, the side of the pull rod is provided with a pushing top surface matched with the upper rod.
Further, the first elastic piece is a pressure spring.
Further, the second elastic piece is a pressure spring.
Drawings
Fig. 1 is an exploded view of a push switch according to an embodiment of the present invention;
fig. 2 is a partial cross-sectional view of a push switch according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an auxiliary frame according to an embodiment of the present invention;
fig. 4 is a schematic view of the connection between the auxiliary frame and the movable contact frame according to the embodiment of the present invention;
fig. 5 is a schematic view of the connection between the auxiliary frame and the movable contact frame and the base according to the embodiment of the present invention;
fig. 6 is a schematic structural diagram of a base according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an upper cover according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a pull rod according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a movable contact frame according to an embodiment of the present invention;
fig. 10a is a partial cross-sectional view of a movable contact carrier member in a first position in accordance with an embodiment of the present invention;
fig. 10b is another partial cross-sectional view of the movable contact carrier member in the first position in accordance with an embodiment of the present invention;
fig. 11a is a partial cross-sectional view of a movable contact carrier member in a second position in accordance with an embodiment of the present invention;
fig. 11b is another partial cross-sectional view of the movable contact carrier member in a second position in accordance with an embodiment of the present invention;
fig. 12a is a partial cross-sectional view of the movement of the auxiliary frame driven by the pull rod according to the embodiment of the present invention;
fig. 12b is another partial cross-sectional view of the movement of the auxiliary frame driven by the pull rod according to the embodiment of the present invention.
Description of the reference symbols
The device comprises a base 1, a movable contact frame component 11, a movable contact frame 111, a window 1111, a movable contact assembly 112, a movable contact 1121, a movable contact compression spring 113, a terminal assembly 12, a fixed contact 121, an auxiliary frame 13, a rotating shaft 131, an upper rod 132 and a lower rod 133;
an upper cover 2 and a pressing block 21;
the driving part 3, the button 31, the pull rod 32, the push top 321, the first elastic element 33 and the second elastic element 34.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to 9, the push switch of the embodiment of the present invention includes a base 1 and an upper cover 2, the base 1 and the upper cover 2 cooperate with each other to form an accommodating space, and a movable contact frame component 11, a terminal assembly 12, and an auxiliary frame 13 are disposed in the accommodating space.
The moving contact frame component 11 comprises a moving contact frame 111, a moving contact assembly 112 and a moving contact pressure spring 113, and the moving contact frame component 11 is driven by the driving component 3 and can be switched between a first position and a second position; the movable contact assembly 112 includes a movable contact and a movable contact 1121 disposed on the movable contact, and is disposed on the movable contact frame 111 through the movable contact compression spring 113.
The terminal assembly 12 includes a terminal and a fixed contact 121 disposed on the terminal, and the fixed contact 121 corresponds to the movable contact 1121; in the first position, the fixed contact 121 and the movable contact 1121 are disengaged; in the second position, the fixed contact 121 and the movable contact 1121 are in contact.
The auxiliary frame 13 is rotatably disposed, a first side thereof is linked with the driving part 3, a second side thereof is linked with the movable contact frame 111, when the auxiliary frame moves to a first position, the first side is driven by the driving part 3 to rotate, the second side is linked with the movable contact frame 111, the movable contact 1121 of the movable contact frame part 11 is separated from the fixed contact 121 of the terminal assembly 12
Because the auxiliary frame 13 is rotatably disposed, its first side is linked with the driving part 3, and its second side is linked with the movable contact frame 111, when moving to the first position, the first side is driven by the driving part 3 to rotate, and the second side is linked with the movable contact frame 111, so that the movable contact 1121 of the movable contact frame part 11 is separated from the fixed contact 121 of the terminal assembly 12. Therefore, even in the abnormal situation that the snap spring does not work or the contact welding occurs, the auxiliary frame 13 can drive the movable contact frame 111 to make the movable contact 1121 of the movable contact frame part 11 away from the fixed contact 121 of the terminal assembly 12, thereby eliminating the potential safety hazard.
In some examples, as shown in fig. 3, the auxiliary frame 13 includes a rotating shaft 131, an upper rod 132 and a lower rod 133, the rotating shaft 131 is rotatably disposed in the accommodating space, the upper rod 132 is radially disposed on a first side of the rotating shaft 131 and is linked with the driving part 3, and the lower rod 133 is radially disposed on a second side of the rotating shaft 131 and is linked with the movable contact frame 111; when the movable contact is moved to the first position, the upper rod 132 is driven by the driving member 3 to rotate, and the lower rod 133 is linked with the movable contact frame 111, so that the movable contact 1121 of the movable contact frame member 11 is away from the fixed contact 121 of the terminal assembly 12. When the upper rod 132 is interlocked by the driving part 3, the rotating shaft 131 rotates, the lower rod 133 rotates synchronously, and the lower rod 133 rotates to drive the movable contact 1121 to separate from the fixed contact 121 of the terminal assembly 12.
In some examples, as shown in fig. 3, the upper rods 132 are provided in one or two, and the lower rods 133 are located at the lower side of the upper rods 132. The upper rods 132 are preferably two, the two upper rods 132 provide better stability when driven by the driving part 3, so that the driving part 3 facilitates the two upper rods 132 to rotate, the upper rods 132 are located at a first side of the rotating shaft 131, and the lower rods 133 are located at a second side of the rotating shaft 131 and at a lower side between the two upper rods 132, so that the lower rods 133 facilitate the moving contact frame 111 to separate the moving contact 112 on the moving contact frame part 11 from the fixed contact 121.
In some examples, as shown in fig. 4, the movable contact holder 111 is provided with a window 1111 through which the rotating shaft 131 passes, the window 1111 receives the lower rod 133, a side wall thereof is engaged with the lower rod 133, and the upper rod 132 is provided at both sides of a top of the window 1111. The window 1111 facilitates the rotation of the auxiliary frame 13, the two upper rods 132 protrude from the top of the window 1111, the driving unit 3 drives the two upper rods 132 to rotate, and further drives the lower rod 133 to rotate, and the lower rod 133 rotates to drive the movable contact frame 111, so that the movable contact 112 on the movable contact frame part 11 is separated from the fixed contact 121.
In some examples, as shown in fig. 5 to 7, the base 1 is provided with a limiting groove 14 which is engaged with two ends of the rotating shaft 131 and in which the rotating shaft 131 rotates, and the upper cover 2 is provided with a pressing block 21 which is engaged with the limiting groove 14 and limits the falling of the rotating shaft 131. The two ends of the rotating shaft 131 are arranged in the limiting groove 14 of the base 1, and meanwhile, the pressing block 21 of the upper cover 2 is matched with the limiting groove 14, so that the rotating shaft 131 is effectively prevented from falling off.
In some examples, the actuation part 3 comprises a push button 31, a pull rod 32, a first elastic member 33 and a second elastic member 34; the button 31 is hinged with the upper cover 2; a first end of the pull rod 32 is positioned in the accommodating space, and a second end of the pull rod is hinged with the button 31; when the button 31 is pressed, the second end of the pull rod 32 is far away from the accommodating space; two ends of the first elastic element 33 are respectively abutted against the upper cover 2 and the pull rod 32 to provide a restoring force towards the accommodating space for the pull rod 32, and the first elastic element 33 can be a compressed spring; two ends of the second elastic element 34 are respectively abutted against the pull rod 32 and the movable contact frame 111, and when the movable contact frame 111 is at the first position, the second elastic element 34 provides an elastic force for the movable contact 112 to be away from the corresponding stationary contact 121; in the second position of the movable contact holder 111, the second elastic member 34 provides the movable contact 1121 with an elastic force toward its corresponding stationary contact 121, and the second elastic member 34 may also be a compression spring, and the second elastic member 34 is generally called a snap spring.
The push of the button 31 can drive the pull rod 32 to reciprocate, so as to drive the movable contact frame 111 in the accommodating space to move, two ends of the first elastic piece 33 are respectively abutted against the inner wall of the upper cover 2 and the pull rod 32, so as to provide restoring force towards the accommodating space for the pull rod 32, and ensure that the pull rod 32 and the button 31 can be reset in time when the button is released; two ends of the second elastic element 34 are respectively abutted against the pull rod 32 and the movable contact frame 111, the movable contact frame 111 is in the first position, the second elastic element 34 provides an elastic force for the movable contact 1121 to be away from the corresponding fixed contact 121, so that the switch is ensured to be disconnected, and when the movable contact frame 111 is in the second position, the second elastic element 34 provides an elastic force for the movable contact 1121 to be towards the corresponding fixed contact 121, so that the stability of the main switch in the connection process is ensured.
In some examples, as shown in FIG. 8, the side of the pull rod 32 is provided with a push top surface 321 that mates with the upper rod 132. When moving to the first position, the pushing surface 321 of the pull rod 32 pushes the upper rod 132 of the auxiliary frame 13, thereby driving the auxiliary frame 13 to rotate.
The motion process of the push switch provided by the embodiment is as follows: as shown in fig. 10a to 10b, the push switch is now in an initial free state, the button 31 is unstressed and the contacts are in the open position.
As shown in fig. 11a to 11b, when the button 31 is pressed, the pull rod 32 moves outwards, and the second elastic member 34 swings with the pull rod 32 until the second elastic member 34 is in a vertical state; when the button 31 is further pushed, the second elastic member 34 is forced to move in the direction opposite to the pull rod 32 after the second elastic member 34 crosses the middle point of the vertical state, and the movable contact 1121 is connected to the fixed contact 121.
As shown in fig. 12a to 12b, when the button 31 is released, the pull rod 32 moves towards the inside of the switch and returns to the original state under the action of the first elastic member 33, the second elastic member 34 (also called a kick spring) forces the movable contact frame 11 to move in the direction opposite to the pull rod 32, so that the movable contact 1121 is separated from the fixed contact 121, and in the abnormal case that the kick spring is not in use or the contact is burnt, the first elastic member 33 forces the pull rod 32 to return, the pushing surface 321 of the pull rod 32 pushes the upper rod 132 of the auxiliary frame 13, so that the auxiliary frame 13 rotates around the rotating shaft 131, the lower rod 133 of the auxiliary frame 13 forces the movable contact frame 111 to move, and further forces the movable contact 1121 to be separated from the fixed contact 121, so that the switch returns to the free initial state.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. A push switch, comprising: including base and upper cover, base and upper cover mutually support and form the accommodation space, be equipped with in the accommodation space:
the moving contact frame component comprises a moving contact frame, a moving contact assembly and a moving contact pressure spring, and is driven by the driving component and can be switched between a first position and a second position; the moving contact component comprises a moving contact and a moving contact arranged on the moving contact, and is arranged on the moving contact frame through a moving contact pressure spring;
the terminal assembly comprises a terminal and a fixed contact arranged on the terminal, and the fixed contact corresponds to the movable contact; when in the first position, the fixed contact and the movable contact are separated; when in the second position, the fixed contact and the movable contact are abutted;
the auxiliary frame is rotatably arranged, a first side of the auxiliary frame is linked with the driving part, a second side of the auxiliary frame is linked with the movable contact frame, when the auxiliary frame moves to a first position, the first side is driven by the driving part to rotate, the second side of the auxiliary frame is linked with the movable contact frame, and the movable contact of the movable contact frame part is separated from the fixed contact of the terminal post assembly.
2. A push switch as claimed in claim 1, wherein: the auxiliary frame comprises a rotating shaft, an upper rod and a lower rod, the rotating shaft is rotatably arranged in the accommodating space, the upper rod is radially arranged on the first side of the rotating shaft and is linked with the driving part, and the lower rod is radially arranged on the second side of the rotating shaft and is linked with the movable contact frame; when the movable contact is moved to the first position, the upper rod is driven to rotate by the driving part, the lower rod is linked with the movable contact frame, and the movable contact of the movable contact frame part is separated from the fixed contact of the terminal post assembly.
3. A push switch as claimed in claim 2, wherein: the upper rod is one or two, and the lower rod is positioned at the lower side of the upper rod.
4. A push switch as claimed in claim 3, wherein: the movable contact frame is provided with a window for the rotating shaft to pass through, the window accommodates the lower rod, the side wall of the window is matched with the lower rod, and the upper rod is arranged on two sides of the top of the window.
5. The push switch of claim 4, wherein: the base is provided with a limiting groove which is matched with the two ends of the rotating shaft and used for the rotating shaft to rotate in the limiting groove, and the upper cover is provided with a pressing block which is matched with the limiting groove and used for limiting the falling of the rotating shaft.
6. A push switch as claimed in claim 2, wherein: the driving part comprises a button, a pull rod, a first elastic piece and a second elastic piece;
the button is hinged with the upper cover;
the first end of the pull rod is positioned in the accommodating space, and the second end of the pull rod is hinged with the button; when the button is pressed down, the second end of the pull rod is far away from the accommodating space;
two ends of the first elastic piece are respectively abutted against the upper cover and the pull rod, so that restoring force towards the accommodating space is provided for the pull rod;
two ends of the second elastic piece are respectively abutted against the pull rod and the movable contact frame, and when the movable contact frame is at the first position, the second elastic piece provides elastic force for the movable contact to be far away from the corresponding fixed contact; when the movable contact frame is at the second position, the second elastic piece provides elastic force for the movable contact to the corresponding fixed contact.
7. A push switch as claimed in claim 6, wherein: the side of the pull rod is provided with a pushing top surface matched with the upper rod.
8. A push switch as claimed in claim 6, wherein: the first elastic piece is a pressure spring.
9. A push switch as claimed in claim 6, wherein: the second elastic piece is a pressure spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922463953.2U CN211125437U (en) | 2019-12-31 | 2019-12-31 | Push switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922463953.2U CN211125437U (en) | 2019-12-31 | 2019-12-31 | Push switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211125437U true CN211125437U (en) | 2020-07-28 |
Family
ID=71722769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922463953.2U Withdrawn - After Issue CN211125437U (en) | 2019-12-31 | 2019-12-31 | Push switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211125437U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048341A (en) * | 2019-12-31 | 2020-04-21 | 科都电气有限公司 | Push switch |
| US11456126B2 (en) | 2020-11-27 | 2022-09-27 | Kedu Electric Co., Ltd | Electric switch |
-
2019
- 2019-12-31 CN CN201922463953.2U patent/CN211125437U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048341A (en) * | 2019-12-31 | 2020-04-21 | 科都电气有限公司 | Push switch |
| CN111048341B (en) * | 2019-12-31 | 2024-09-24 | 科都电气股份有限公司 | Press switch |
| US11456126B2 (en) | 2020-11-27 | 2022-09-27 | Kedu Electric Co., Ltd | Electric switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325608 Puqi Industrial Zone, Hongqiao Town, Leqing City, Wenzhou City, Zhejiang Province Patentee after: Kedu Electric Co.,Ltd. Address before: 325608 Puqi Industrial Zone, Hongqiao Town, Leqing City, Wenzhou City, Zhejiang Province Patentee before: KEDU ELECTRIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200728 Effective date of abandoning: 20240924 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200728 Effective date of abandoning: 20240924 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |