CN209843570U - Elastic structure and switch - Google Patents
Elastic structure and switch Download PDFInfo
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- CN209843570U CN209843570U CN201920728378.1U CN201920728378U CN209843570U CN 209843570 U CN209843570 U CN 209843570U CN 201920728378 U CN201920728378 U CN 201920728378U CN 209843570 U CN209843570 U CN 209843570U
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The utility model relates to an elastic construction and switch, the switch includes: the elastic component is positioned in the through hole and connected with the side wall of the through hole; the elastic component comprises a button and at least two curved elastic arms, the button is located at the center of the through hole, one end of each curved elastic arm is connected with the button, the other end of each curved elastic arm is connected with the side wall of the through hole, and the at least two curved elastic arms are uniformly distributed in the through hole. At least two curved elastic arms are respectively connected with the button and are evenly distributed, so that when the button is pressed, the elastic force of each curved elastic arm acting on the button is equal, the stress of the button is even, the connection strength between the button and the curved elastic arms is improved, the integral mechanical strength and the elastic strength of the elastic structure are improved, and the service life of the elastic structure is prolonged.
Description
Technical Field
The utility model relates to a button switch technical field especially relates to an elastic construction and switch.
Background
The existing wall reset switch in the current market usually adopts a cantilever type structure, and the cantilever is driven to rotate through the rotation of the key, so that the cantilever and the electronic switch at the bottom are touched, and the controlled electric appliance is opened and closed.
However, the cantilever of the cantilever type wall reset switch has insufficient elastic strength and mechanical strength, and is easily broken when being touched with the electronic switch, thereby affecting the service life of the switch.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for a spring structure and a switch having a simple structure and high elasticity and strength.
A spring structure comprising: the elastic component is positioned in the through hole and connected with the side wall of the through hole; the elastic assembly comprises a button and at least two curved elastic arms, the button is located in the center of the through hole, one end of each curved elastic arm is connected with the button, the other end of each curved elastic arm is connected with the side wall of the through hole, and the at least two curved elastic arms are uniformly distributed in the through hole.
In one embodiment, the curved resilient arm has a bent structure.
In one embodiment, the curved elastic arm includes a first connection portion, a second connection portion, and a curved portion, a first end of the first connection portion is connected to the button, a second end of the first connection portion is connected to the first end of the curved portion, a first end of the second connection portion is connected to the sidewall of the through hole, a second end of the second connection portion is connected to the second end of the curved portion, and the curved portion is flush with the sidewall of the through hole.
In one embodiment, the button has a cylindrical structure, and the first connecting portion is parallel to a radial direction of the button.
In one embodiment, the second connecting portion is parallel to a radial direction of the button.
In one embodiment, the first connecting portion and the second connecting portion are perpendicular to each other.
In one embodiment, the number of the curved elastic arms is two, and the two curved elastic arms are symmetrically arranged.
A switch, comprising: a base, a spring, a pressing plate and an elastic structure as described in any of the above embodiments; the pressing plate is rotatably connected with the base plate, the base is connected with one surface of the base plate, which is far away from the pressing plate, one surface of the pressing plate, which is close to the base plate, is provided with a top column, and the top column corresponds to the button; the spring comprises a body and an elastic end, the body is connected with the base plate, the elastic end abuts against one surface, close to the base plate, of the pressing plate, and the elastic end is used for rotating by taking the body as a shaft.
In one embodiment, the base plate is provided with a containing space, a rotating shaft is arranged in the containing space, one surface of the pressing plate close to the base plate is provided with a rotating piece, the rotating piece is provided with a rotating groove, and the rotating shaft rotates in the rotating groove.
In one embodiment, the base plate is provided with a limiting groove, one surface of the pressing plate close to the base plate is provided with a limiting strip, and the limiting groove is used for accommodating the limiting strip.
In above-mentioned elastic construction and switch, at least two bent form elastic arms are connected with the button respectively, and evenly distributed for when the button is pressed, each bent form elastic arm acts on the elasticity on the button and equals, thereby make the atress of button even, and then improved the button and bent the joint strength between the form elastic arm, make elastic construction's whole mechanical strength and elastic strength promote, prolonged elastic construction's life.
Drawings
FIG. 1 is a schematic structural diagram of an elastic structure according to an embodiment;
FIG. 2 is an enlarged view of A1 of FIG. 1;
FIG. 3 is a schematic diagram of an embodiment of a switch;
FIG. 4 is an exploded view of the switch of FIG. 3;
FIG. 5 is a schematic view of a press plate according to an embodiment;
fig. 6 is a schematic structural view of an elastic structure and a spring according to an embodiment.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
For example, a resilient structure comprising: the elastic component is positioned in the through hole and connected with the side wall of the through hole; the elastic assembly comprises a button and at least two curved elastic arms, the button is located in the center of the through hole, one end of each curved elastic arm is connected with the button, the other end of each curved elastic arm is connected with the side wall of the through hole, and the at least two curved elastic arms are uniformly distributed in the through hole. In above-mentioned elastic construction, at least two curved elastic arms are connected with the button respectively, and evenly distributed for when the button is pressed, each curved elastic arm acts on the elasticity on the button and equals, thereby make the atress of button even, and then improved the button and curved joint strength between the elastic arm, make elastic construction's whole mechanical strength and elastic strength promote, prolonged elastic construction's life.
Referring to fig. 1, an embodiment of a resilient structure 10 includes: the substrate 100 is provided with a through hole 110, the elastic element 200 is positioned in the through hole 110, and the elastic element 200 is connected with the side wall of the through hole 110; referring to fig. 1 and 2, the elastic assembly 200 includes a button 210 and at least two curved elastic arms 220, the button 210 is located at the center of the through hole 110, one end of each curved elastic arm 220 is connected to the button 210, the other end of each curved elastic arm 220 is connected to the sidewall of the through hole 110, and the at least two curved elastic arms 220 are uniformly distributed in the through hole 110.
In this embodiment, at least two curved elastic arms 220 are connected with button 210 respectively, and evenly distributed for when button 210 is pressed, each curved elastic arm 220 acts on the elasticity on button 210 and equals, thereby make button 210's atress even, and then improved the joint strength between button 210 and curved elastic arm 220, make the whole mechanical strength and the elastic strength of elastic construction promote, prolonged elastic construction's life.
In one embodiment, referring to fig. 2, the curved elastic arm 220 has a bent structure, and in one embodiment, the curved elastic arm 220 has an "S" shaped structure. The distance between each point on the curved elastic arm 220 and the edge of the button 210 is different, that is, the curved elastic arm 220 has at least two bending portions, since one end of the curved elastic arm 220 is connected with the sidewall of the through hole 110, the other end of the curved elastic arm 220 is connected with the button 210, and the shape between the curved elastic arms 220 is curved, so that the curved elastic arm 220 between the button 210 and the sidewall of the through hole 110 can be bent. When the button 210 is pressed, that is, the button 210 moves in a direction perpendicular to the substrate 100 and away from the substrate 100 for a distance, the curved structure of the curved elastic arm 220 enables the button 210 to have elasticity with respect to the sidewall of the through hole 110, and the curved elastic arm 220 is pulled by the button 210 to form an included angle with the substrate 100, so that the curved elastic arm 220 generates an elastic pulling force on the button 210 moving towards the substrate 100, and the elastic pulling force enables the button 210 to have a moving tendency towards the substrate 100. In this embodiment, the elastic force of at least two curved elastic arms 220 acts on the button 210, so that the at least two curved elastic arms 220 generate the elastic force close to the substrate 100 for the button 210 at the same time, and the elastic force received by the button 210 and returned to the original position is increased and uniform due to the at least two curved elastic arms 220 uniformly distributed in the through hole 110, so that the overall mechanical strength and the elastic strength of the elastic structure are improved, and the service life of the elastic structure is prolonged.
In an embodiment, referring to fig. 2, the curved elastic arm 220 includes a first connection portion 221, a second connection portion 222 and a curved portion 223, a first end of the first connection portion 221 is connected to the button 210, a second end of the first connection portion 221 is connected to a first end of the curved portion 223, a first end of the second connection portion 222 is connected to a sidewall of the through hole 110, a second end of the second connection portion 222 is connected to a second end of the curved portion 223, and the curved portion 223 is flush with the sidewall of the through hole 110. The two ends of the first connecting portion 221 are respectively connected to the button 210 and the bending portion 223, the first connecting portion 221 is used for connecting the button 210 and the bending portion 223, an included angle is formed between the first connecting portion 221 and the bending portion 223, that is, an included angle is formed between the second end of the first connecting portion 221 and the bending portion 223, so that the first connecting portion 221 and the bending portion 223 can be bent in a direction parallel to the substrate 100, the connecting portion of the first connecting portion 221 and the bending portion 223 has a bending property, the elastic strength between the first connecting portion 221 and the bending portion 223 is further improved, the elastic strength between the button 210 and the curved elastic arm 220 when the button 210 is pressed is improved, and the curved elastic arm 220 is prevented from being broken when the button 210 is pressed; both ends of the second connection portion 222 are connected to the sidewall of the through-hole 110 and the bent portion 223 respectively, the second connection portion 222 is used for connecting the side wall of the through hole 110 and the bending portion 223, an included angle is formed between the second connection portion 222 and the bending portion 223, that is, the second end of the second connection portion 222 forms an included angle with the connection portion of the bending portion 223, so that the second connection portion 222 and the bent portion 223 are bendable therebetween in a direction parallel to the substrate 100, so that the junction of the second connection portion 222 and the bent portion 223 has a bendability, further, the elastic strength between the second connection portion 222 and the bent portion 223 is increased, the elastic strength between the button 210 and the curved elastic arm 220 when pressed is further increased, and the curved elastic arm 220 is further prevented from being broken when the button 210 is pressed.
In this embodiment, in order to prevent the curved elastic arm from colliding with the sidewall of the through hole during the movement, the curved portion 223 is wound around the outer side of the button 210, that is, there is a distance between the curved portion 223 and the sidewall of the through hole 110, and each position on the curved portion 223 is equal to the distance at the corresponding position on the through hole 110, specifically, the curved portion 223 has the same shape as the through hole 110, for example, the through hole 110 is a circular hole, the curved portion 223 has an arc-shaped curved structure, the center of the circle of the curved portion 223 coincides with the center of the circle of the through hole 110, so that the distance between the curved portion 223 and the sidewall of the through hole 110 is maintained at the same distance, that is, when the button 210 is pressed and the curved portion 223 moves in the direction parallel to the substrate 100, the distance between each position of the curved portion 223 and the corresponding position on the sidewall of the through hole 110 is equal, the bent portion 223 is prevented from having a position with an unequal distance from the side wall of the through hole 110, so that the bent portion 223 is prevented from breaking due to point-surface contact between the bent portion 223 and the side wall of the through hole 110.
In one embodiment, referring to fig. 2, the button 210 has a cylindrical structure, and the first connection portion 221 is parallel to a radial direction of the button 210. When the button 210 is pressed, the first end of the first connection portion 221 moves along with the button 210, specifically, the first end of the first connection portion 221 moves along a direction perpendicular to the substrate 100 along with the button 210, the elastic force of the first connection portion 221 to the button 210 acts on the button 210 along a direction away from the button 210, and since the first connection portion 221 is parallel to the radial direction of the button 210, the elastic force of the first connection portion 221 is parallel to the radial direction of the button 210, so that the elastic force of the first connection portion 221 is prevented from generating a tangential force to the button 210, the button 210 is prevented from shaking in the through hole 110, and the stability of the button 210 is improved.
In this embodiment, the number of the curved elastic arms 220 is two, two the curved elastic arms 220 are symmetrically arranged, two the extending direction of the first connecting portion 221 coincides with a diameter of the button 210, that is, two the extending direction of the first connecting portion 221 coincides with the same diameter of the button 210, so, two the first connecting portion 221 is arranged in a manner of central symmetry with the button 210 as a center, the elastic force received by the button 210 can be decomposed into an acting force parallel to the substrate 100 and an acting force perpendicular to the substrate 100, wherein the button 210 receives two the first connecting portion 221 is equal in value and opposite in direction along a direction parallel to the acting force in the direction of the substrate 100, and the button 210 is stable in direction along a direction parallel to the substrate 100. The acting forces generated by the two first connecting portions 221 on the button 210 in the direction perpendicular to the substrate 100 are equal and have the same direction, and the direction of the acting force is opposite to the pressing direction of the button 210, so that the elastic force of the button 210 in the direction perpendicular to the substrate 100 is increased, the elastic strength of the elastic structure is improved, and the service life of the elastic structure is prolonged.
In one embodiment, referring to fig. 2, the second connecting portion 222 is parallel to the radial direction of the button 210. When the button 210 is pressed, the second end of the second connecting portion 222 moves along with the button 210, specifically, the second end of the second connecting portion 222 moves along a direction perpendicular to the substrate 100 along with the button 210, the elastic force of the second connecting portion 222 on the button 210 acts on the button 210 in a direction away from the button 210, and the elastic force generated by the second connecting portion 222 is transmitted to the button 210 through the bending portion 223 and the first connecting portion 221. Because the second connecting portion 222 is parallel to the radial direction of the button 210, the elastic force of the second connecting portion 222 is parallel to the radial direction of the button 210, and the elastic force of the second connecting portion 222 is prevented from generating a tangential force on the button 210, so that the button 210 is prevented from shaking in the through hole 110, and the stability of the button 210 is improved.
In this embodiment, the number of the curved elastic arms 220 is two, two the curved elastic arms 220 are symmetrically disposed, two the extending direction of the second connecting portion 222 coincides with a diameter of the button 210, that is, two the extending direction of the second connecting portion 222 coincides with the same diameter of the button 210, so that the two second connecting portions 222 are disposed in a centrosymmetric manner with the button 210 as a center, the elastic force applied to the button 210 can be decomposed into an acting force parallel to the substrate 100 and an acting force perpendicular to the substrate 100, wherein the button 210 is applied with two the second connecting portions 222 in a direction parallel to the substrate 100, the acting force values are equal and opposite, and the button 210 is stable in a direction parallel to the substrate 100. The acting forces generated by the two second connecting portions 222 on the button 210 in the direction perpendicular to the substrate 100 are equal and have the same direction, and the direction of the acting force is opposite to the pressing direction of the button 210, so that the elastic force of the button 210 in the direction perpendicular to the substrate 100 is increased, the elastic strength of the elastic structure is improved, and the service life of the elastic structure is prolonged.
In an embodiment, referring to fig. 2, the first connection portion 221 and the second connection portion 222 are perpendicular to each other. Since the extending direction of the first connecting portion 221 is parallel to one of the diameters of the buttons 210, and the extending direction of the second connecting portion 222 is also parallel to one of the diameters of the buttons 210, the diameters of the buttons 210 parallel to the first connecting portion 221 and the diameters of the buttons 210 parallel to the second connecting portion 222 are different by setting the extending direction of the first connecting portion 221 and the extending direction of the second connecting portion 222 to be perpendicular to each other, and the diameters of the buttons 210 parallel to the first connecting portion 221 and the diameters of the buttons 210 parallel to the second connecting portion 222 are perpendicular to each other, so that the elastic force generated by the first connecting portion 221 and the elastic force generated by the second connecting portion 222 are perpendicular to each other, and the elastic force applied to the buttons 210 in the direction parallel to the substrate 100 is more uniform, that is, the force applied to the button 210 by the first connection portion 221 and the second connection portion 222 is more uniform, and the stability of the button 210 when being pressed is further improved.
The utility model discloses still provide a switch, please refer to fig. 3 and fig. 4 together, a switch 20, include: a base, a spring 300, a pressing plate 400 and a resilient structure 10 as described in any of the above embodiments; the pressing plate 400 is rotatably connected with the substrate 100, the base is connected with one surface of the substrate 100, which is far away from the pressing plate 400, one surface of the pressing plate 400, which is close to the substrate 100, is provided with a top pillar, and the top pillar corresponds to the button 210; the spring 300 includes a body 310 and an elastic end 320, the body 310 is connected to the substrate 100, the elastic end 320 abuts against a surface of the pressing plate 400 close to the substrate 100, and the elastic end 320 is configured to rotate around the body 310.
In an embodiment, referring to fig. 4, the substrate 100 is provided with a receiving space 120, and a rotating shaft 121 is disposed in the receiving space 120, referring to fig. 4 and fig. 5, a rotating member 410 is disposed on a surface of the pressing plate 400 close to the substrate 100, the rotating member 410 is provided with a rotating slot 411, and the rotating shaft 121 rotates in the rotating slot 411. In this embodiment, the accommodating space 120 is located on a central axis of a plane where the substrate 100 is located, the rotating shaft 121 is parallel to the central axis, the rotating element 410 is located on the central axis of the plane where the pressing plate 400 is located, and the rotating element 410 rotates with the rotating shaft 121 as the central axis, so that the pressing plate 400 rotates relative to the substrate 100, that is, two ends of the pressing plate 400 rotate in a seesaw manner.
In this embodiment, a protruding portion 420 is further disposed on a surface of the pressing plate 400 close to the substrate 100, the protruding portion 420 corresponds to the button 210, when one end of the pressing plate 400 close to the button 210 is pressed, the protruding portion 420 abuts against the button 210, so that the button 210 moves towards a direction away from the pressing plate 400, and a surface of the button 210 away from the pressing plate 400 is in contact with an electronic switch, thereby facilitating control over the electronic switch; when the pressing force applied to the pressing plate 400 disappears, the pressing plate 400 is restored to the state before pressing under the action of the elastic force of the spring 300, that is, the protrusion 420 moves in the direction away from the button 210, that is, the protrusion 420 is separated from the button 210, so that the button 210 no longer interferes with the electronic switch. Thus, when the pressing plate 400 is pressed, the button 210 is pressed by the protrusion 420, thereby controlling the electronic switch. The electronic switch is a part of the switch, is used for being connected with an external circuit and is used for controlling the on-off of the external circuit.
In an embodiment, referring to fig. 4 and fig. 6, the substrate 100 is provided with a position-limiting groove 130, one surface of the pressing plate 400 close to the substrate 100 is provided with a position-limiting strip 430, and the position-limiting groove 130 is used for accommodating the position-limiting strip 430. In this embodiment, the spring 300 is always in a compressed state, i.e., the elastic force of the elastic end to the pressing plate 400 faces away from the substrate 100. The position-limiting groove 130 is located at the edge of the substrate 100 and close to the button 210, the position-limiting bar 430 is also located at the edge of the button board 400 and corresponds to the position-limiting groove 130, and the position-limiting bar 430 is movable in the position-limiting groove 130. A side wall of the stopper groove 130 adjacent to the pressing plate 400 serves to restrict the movement of the stopper bar 430, for example, when the pressing force applied to the pressing plate 400 near the end of the button 210 is removed, the pressing plate 400 is pressed by the elastic force of the spring 300, one end of the pressing plate 400 near the button 210 moves away from the substrate 100, in order to prevent the interior of the switch from being exposed to the external environment after the end of the button plate 400 adjacent to the button 210 is moved, the position-limiting strip 430 is abutted against a side wall of the position-limiting groove 130 close to the pressing plate 400, so that the end of the button plate 400 close to the button 210 shields the substrate 100, preventing the internal structure of the switch from being exposed, therefore, corrosion caused by contact between the internal structure of the switch and air in the external environment is avoided, and the service life of the switch is prolonged.
In one embodiment, the number of the buttons and the bosses is multiple.
In one embodiment, the number of the pressing plates is multiple.
In an embodiment, the number of the pressing plates corresponds to the number of the protrusions, the buttons, and the rotation shaft, for example, the number of the pressing plates is three, the number of the protrusions and the buttons is also three, and each of the pressing plates corresponds to one of the protrusions and one of the buttons.
In above-mentioned switch, two at least curved form elastic arms are connected with the button respectively, and evenly distributed for when the button was pressed, each curved form elastic arm acted on the elasticity on the button equal, thereby make the atress of button even, and then improved the joint strength between button and the curved form elastic arm, make elastic construction's whole mechanical strength and elastic strength promote, prolonged elastic construction's life.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A spring structure, comprising: the elastic component is positioned in the through hole and connected with the side wall of the through hole;
the elastic assembly comprises a button and at least two curved elastic arms, the button is located in the center of the through hole, one end of each curved elastic arm is connected with the button, the other end of each curved elastic arm is connected with the side wall of the through hole, and the at least two curved elastic arms are uniformly distributed in the through hole.
2. The spring structure of claim 1, wherein the curved spring arms have a bent configuration.
3. The spring structure according to claim 1, wherein the curved spring arm includes a first connecting portion, a second connecting portion, and a curved portion, a first end of the first connecting portion is connected to the button, a second end of the first connecting portion is connected to a first end of the curved portion, a first end of the second connecting portion is connected to a sidewall of the through-hole, a second end of the second connecting portion is connected to a second end of the curved portion, and the curved portion is flush with the sidewall of the through-hole.
4. A spring structure according to claim 3, wherein the button has a cylindrical configuration, the first connecting portion being parallel to a radial direction of the button.
5. The spring structure of claim 4, wherein the second connecting portion is parallel to a radial direction of the button.
6. The spring structure of claim 5, wherein the first connection portion and the second connection portion are perpendicular to each other.
7. The spring structure according to any one of claims 1 to 6, wherein the number of the curved spring arms is two, and the two curved spring arms are symmetrically arranged.
8. A switch, comprising: a base, a spring, a snap plate, and a resilient structure as claimed in any one of claims 1 to 7; the pressing plate is rotatably connected with the base plate, the base is connected with one surface of the base plate, which is far away from the pressing plate, one surface of the pressing plate, which is close to the base plate, is provided with a top column, and the top column corresponds to the button; the spring comprises a body and an elastic end, the body is connected with the base plate, the elastic end abuts against one surface, close to the base plate, of the pressing plate, and the elastic end is used for rotating by taking the body as a shaft.
9. The switch of claim 8, wherein the base plate defines a receiving space, a rotating shaft is disposed in the receiving space, a rotating member is disposed on a side of the pressing plate adjacent to the base plate, the rotating member defines a rotating slot, and the rotating shaft rotates in the rotating slot.
10. The switch of claim 8, wherein the substrate is formed with a limiting groove, and a surface of the pressing plate adjacent to the substrate is formed with a limiting bar, and the limiting groove is used for accommodating the limiting bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728378.1U CN209843570U (en) | 2019-05-20 | 2019-05-20 | Elastic structure and switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728378.1U CN209843570U (en) | 2019-05-20 | 2019-05-20 | Elastic structure and switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209843570U true CN209843570U (en) | 2019-12-24 |
Family
ID=68897787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920728378.1U Active CN209843570U (en) | 2019-05-20 | 2019-05-20 | Elastic structure and switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209843570U (en) |
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2019
- 2019-05-20 CN CN201920728378.1U patent/CN209843570U/en active Active
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Address after: 516007 b1-b3 workshop, No.39 Hechang 6th Road East, Zhongkai high tech Zone, Huizhou City, Guangdong Province Patentee after: Legrand intelligent electric (Huizhou) Co.,Ltd. Address before: 516007 b1-b3 workshop, No.39 Hechang 6th Road East, Zhongkai high tech Zone, Huizhou City, Guangdong Province Patentee before: TCL-LEGRAND INTERNATIONAL ELECTRICAL (HUIZHOU) Co.,Ltd. |