CN114156109A - Mechanical key and display device - Google Patents
Mechanical key and display device Download PDFInfo
- Publication number
- CN114156109A CN114156109A CN202111403053.4A CN202111403053A CN114156109A CN 114156109 A CN114156109 A CN 114156109A CN 202111403053 A CN202111403053 A CN 202111403053A CN 114156109 A CN114156109 A CN 114156109A
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- CN
- China
- Prior art keywords
- mechanical key
- elastic arm
- connecting portion
- magnetic structure
- shell
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/04—Cases; Covers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Push-Button Switches (AREA)
Abstract
The invention relates to a mechanical key, comprising: the elastic arm is provided with two first connecting parts connected with the host shell at two opposite ends in the first direction; the middle part of the elastic arm is of an annular hollow structure, an intermediate connecting piece is arranged in the annular hollow structure, the intermediate connecting piece is provided with a first part and a second part which are opposite in the thickness direction of the elastic arm, one side, far away from the second part, of the first part is provided with a protruding part extending in the direction far away from the second part, and the second part is of a first magnetic structure with magnetism; the magnetic-field-induced electromagnetic valve further comprises a cover plate, and a second magnetic structure capable of being magnetically attracted to the first magnetic structure is accommodated in the cover plate.
Description
Technical Field
The invention relates to the technical field of display product manufacturing, in particular to a mechanical key and a display device.
Background
At present, a common mechanical key adopts an elongated plastic part under the condition of sufficient space, and the elastic effect is achieved by increasing the space design.
Disclosure of Invention
In order to solve the technical problems, the invention provides a mechanical key and a display device, which solve the problem that the mechanical key occupies a large space.
In order to achieve the purpose, the embodiment of the invention adopts the technical scheme that: a mechanical key, comprising:
the elastic arm is provided with two first connecting parts connected with the host shell at two opposite ends in the first direction;
the middle part of the elastic arm is of an annular hollow structure, an intermediate connecting piece is arranged in the annular hollow structure, the intermediate connecting piece is provided with a first part and a second part which are opposite in the thickness direction of the elastic arm, one side, far away from the second part, of the first part is provided with a protruding part extending in the direction far away from the second part, and the second part is of a first magnetic structure with magnetism;
the magnetic-field-induced electromagnetic valve further comprises a cover plate, and a second magnetic structure capable of being magnetically attracted to the first magnetic structure is accommodated in the cover plate.
Optionally, the elastic arm is integrally injection molded with the first part and the second part.
Optionally, the first portion is made of ABS plastic, the elastic arm is made of thermoplastic polyurethane elastomer, and the elastic arm and the first portion are injection molded by a two-shot molding process.
Optionally, the first portion includes a first connecting plate, one side of the first connecting plate, which is away from the second portion, is provided with the protruding portion, and one side of the first connecting plate, which is close to the second portion, is provided with the positioning column.
Optionally, the second portion includes a second connecting plate, a positioning hole is formed in the second connecting plate, the positioning column penetrates through the positioning hole, and after the positioning column penetrates through the positioning hole, an end surface of the positioning column, which is far away from the first connecting plate, and a surface of the second connecting plate, which is far away from the first connecting plate, are located on the same plane.
Optionally, the second portion is made of iron, and the second magnetic structure is a magnet.
Optionally, the cover plate is a box structure with an opening at one end, and the second magnetic structure is arranged in the box structure through adhesive glue.
Optionally, a clamping groove is formed in the first connecting portion.
Optionally, the first connecting portion is L-shaped, and includes a first sub-connecting portion perpendicular to the first direction and a second sub-connecting portion parallel to the first direction, and the clamping groove is disposed on the second sub-connecting portion.
Optionally, the two first connecting portions are symmetrically arranged on two sides of the middle portion.
An embodiment of the present invention further provides a display device, including:
the mechanical key;
the portable electronic device further comprises a host shell, wherein the host shell comprises a first shell and a second shell arranged outside the first shell, a mounting groove for mounting the elastic arm is formed in the first shell, a second connecting part which is matched with the first connecting part to fix the elastic arm is arranged on the mounting groove, and part of the cover plate is exposed out of the second shell;
the mechanical key is pressed, and under the elastic action of the elastic arm, the protruding part is in contact with the movable contact to trigger corresponding functions.
Optionally, a clamping groove is formed in the first connecting portion, and the second connecting portion comprises a clamping piece capable of penetrating through the clamping groove.
Optionally, the first connecting portion is L-shaped, and includes a first sub-connecting portion perpendicular to the first direction and a second sub-connecting portion parallel to the first direction, and the clamping groove is disposed on the second sub-connecting portion;
the second connecting portion includes an L-shaped groove corresponding to the first connecting portion.
The invention has the beneficial effects that: through the first connecting portion at the both ends of elastic arm are connected with the host computer casing to utilize the magnetic force effect of first magnetic structure and second magnetic structure, realize the fixed between elastic arm and the apron, save space.
Drawings
FIG. 1 is an exploded view of a mechanical key of an embodiment of the present invention;
FIG. 2 is a schematic view of the assembly of the resilient arm and the intermediate link according to an embodiment of the present invention;
FIG. 3 shows a second partial schematic view of an embodiment of the invention;
FIG. 4 is a schematic diagram showing a second magnetic structure and a cover plate separated from each other in an embodiment of the present invention;
FIG. 5 illustrates an assembly of a second magnetic structure and a cover plate in an embodiment of the present invention;
fig. 6 is a schematic view showing a part of a display device according to an embodiment of the present invention.
1, an elastic arm; 21 a first portion; 22 a second portion; 3 a second magnetic structure; 4, covering a plate; 5, a function control panel; 11 a first connection portion; 101, a clamping groove; 102 a first sub-connection portion; 103 a second sub-connection; 12 an annular hollow structure; 201 positioning columns; 202 a projection; 41 a limiting block; 31 a second connecting plate; 32 positioning holes; 10 a first housing; 111 a clip member; 112 mounting grooves; 10 a first housing; 51 moving the contact.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the conventional art, the mechanical key comprises an elastic pressing body made of a plastic material, the elastic pressing body is connected with an elongated plate plastic part into a whole through a hot melting process, and then the elastic pressing body is fixed with a host shell through screws, the elongated plate plastic part is required to be arranged on a limiting structure and assembled in a sufficient space, so that the size of the host is limited.
Referring to fig. 1 to 6, in order to solve the above technical problem, the present embodiment provides a mechanical key, including:
a bar-shaped elastic arm 1 extending along a first direction (refer to an X direction in fig. 1), wherein two first connecting parts 11 connected with the main machine shell are arranged at two opposite ends of the elastic arm 1 in the first direction;
the middle part of the elastic arm 1 is an annular hollow structure 12, an intermediate connecting piece is arranged in the annular hollow structure 12, the intermediate connecting piece is provided with a first part 21 and a second part 22 which are opposite in the thickness direction of the elastic arm 1, a protruding part 202 extending in the direction away from the second part 22 is arranged on one side, away from the second part 22, of the first part 21, and the second part 22 is a first magnetic structure with magnetism;
the magnetic structure further comprises a cover plate 4, and a second magnetic structure 3 which can be magnetically attracted with the first magnetic structure is accommodated in the cover plate 4.
Compared with the conventional technology, the elastic arm 1 in this embodiment is a bar-shaped structure extending along a first direction, the elastic arm 1 is stretched in the first direction, two ends of the elastic arm 1 are connected with the host casing in a clamping manner through the first connecting portion 11, the elastic arm 1 is fixed while the elastic arm 1 plays a role in limiting a three-dimensional space, the intermediate connecting member is arranged in the annular hollow structure 12 of the elastic arm 1, the protruding portion 202 is arranged in the middle of the first portion 21, the annular hollow structure 12 limits the position of the intermediate connecting member, and then the magnetic force of the first magnetic structure and the second magnetic structure 3 is utilized to realize the arrangement of the stacked structure of the mechanical keys in this embodiment, so that the space occupied by the mechanical keys is reduced.
In the present embodiment, the elastic arm 1 is formed by injection molding integrally with the first portion 21 and the second portion 22. However, in this embodiment, the first magnetic structure and the second magnetic structure 3 are fixed together by magnetic attraction, the first portion 21 and the second portion 22 as the first magnetic structure are integrated, and the first portion 21, the second portion 22 and the elastic arm 1 are integrated, so that the connection stability between the elastic arm 1 and the first portion 21, the second portion 22 is improved.
In some embodiments of the present invention, the first portion 21 is made of ABS plastic, the elastic arm 1 is made of thermoplastic polyurethane elastomer, and the elastic arm 1 and the first portion 21 are injection molded by a two-shot molding process.
The pressing operation of the mechanical key needs to be realized by the elastic deformation of the elastic arm 1, but the elastic arm 1 and the first part 21 are both made of plastic, this causes the problem of insufficient elasticity, if both the elastic arm 1 and the first portion 21 are made of thermoplastic polyurethane elastomer, there is a problem of insufficient strength, the elastic arm 1 and the first portion 21 are to fix the first magnetic structure, and if the strength is insufficient, the first magnetic structure is easily separated, so that the mechanical key cannot be used, in this embodiment, the first part 21 made of ABS plastic and the elastic arm 1 made of thermoplastic polyurethane elastomer are molded into an integral structure by an injection molding machine through a bijection molding process, so that the strength and the elastic deformation force of the mechanical key are effectively guaranteed.
Referring to fig. 1 and 2, in some embodiments of the present embodiment, the first portion 21 includes a first connecting plate, a side of the first connecting plate away from the second portion 22 is provided with the protrusion 202, and a side of the first connecting plate close to the second portion 22 is provided with the positioning post 201.
In this embodiment, the protrusion 202 is located in the middle of the first portion 21, so that the pressing operation is accurate and ineffective pressing is avoided.
The positioning posts 201 are disposed for positioning when the first part 21 and the second part 22 are assembled, the disposed positions and the disposed number of the positioning posts 201 can be set according to actual requirements, in some embodiments of the present embodiment, two positioning posts 201 are disposed, and in the first direction, two positioning posts 201 are located on two sides of the protruding portion 202.
Referring to fig. 2 and 3, in some embodiments of the present embodiment, the second portion 22 includes a second connecting plate 31, a positioning hole 32 is disposed on the second connecting plate 31 for the positioning column 201 to pass through, after the positioning column 201 passes through the positioning hole 32, an end surface of the positioning column 201 away from the first connecting plate and a surface of the second connecting plate 31 away from the first connecting plate are located on the same plane, or after the positioning column 201 passes through the positioning hole 32, the positioning column 201 is located in the positioning hole 32.
The second portion 22, as a first magnetic structure, needs to be fixedly connected to the second magnetic structure 3 through a magnetic adsorption effect, and if the positioning column 201 is exposed out of the second connecting plate 31, when being connected to the second magnetic structure 3, the positioning column 201 is easily connected to the second magnetic structure 3, which is unstable, even ineffective, so in this embodiment, the end surface of the positioning column 201 away from the first connecting plate and the surface of the second connecting plate 31 away from the first connecting plate are located on the same plane, so as to ensure that the first magnetic structure is in surface contact with the second magnetic structure 3 when being connected, and ensure a magnetic adsorption force between the first magnetic structure and the second magnetic structure 3.
In this embodiment, the first portion 21 and the second portion 22 are connected by pressing the positioning column 201 after the high temperature of the heat melting machine, and if the height of the positioning column 201 is too small, the connection strength between the first portion 21 and the second portion 22 is reduced, therefore, in this embodiment, preferably, the end surface of the positioning column 201 away from the first connecting plate and the surface of the second connecting plate 31 away from the first connecting plate are located on the same plane, so as to ensure the connection strength between the first portion 21 and the second portion 22, and at the same time, ensure the magnetic attraction between the second portion 22 (i.e., the first magnetic structure) and the second magnetic structure 3, i.e., ensure the connection strength between the second portion 22 and the second magnetic structure 3.
It should be noted that, in this embodiment, the first portion 21 and the second portion 22 serving as the first magnetic structure form an integrated structure through a hot melting process, before the hot melting process is performed, the positioning column 201 of the first portion 21 needs to be inserted into the positioning hole 32 of the second portion 22, so that the two portions are positioned and assembled together, at this time, a part of the positioning column 201 is exposed out of the second portion 22, that is, an end surface of the positioning column 201 away from the first connecting plate is located on a side of the second connecting plate 31 away from the first portion 21, and the part of the positioning column 201 exposed out of the second portion 22 is pressed and filled between the positioning hole 32 and the positioning column 201 through the hot melting process, so that a connection area between the first portion 21 and the second portion 22 is increased, and the positioning hole 32 and the positioning column 201 form an interference fit, after the first portion 21 and the second portion 22 are integrated into an integrated structure, the end surface of the positioning column 201 away from the first connecting plate and the surface of the second connecting plate 31 away from the first connecting plate are located on the same plane, and the connection strength between the first portion 21 and the second portion 22 is improved.
It should be noted that the connection sequence among the elastic arm 1, the first portion 21 and the second portion 22 is not limited, for example, the elastic arm 1 and the first portion 21 may be connected into an integral structure and then connected with the second portion 22 by injection molding, or the first portion 21 and the second portion 22 may be formed into an integral structure by a hot melting process and then formed into an integral structure with the elastic arm 1 by injection molding.
In the present embodiment, the second portion 22 is made of iron, and the second magnetic structure 3 is a magnet.
In this embodiment, the second magnetic structure 3 is made of strong magnets such as N52H or N48H.
The material of the second portion 22 and the second magnetic structure 3 is not limited to the above, as long as the first magnetic structure and the second magnetic structure 3 are connected by magnetic attraction, for example, the second portion 22 and the second magnetic structure 3 may both be magnets, and in this case, the second portion 22 and the second magnetic structure 3 may be made of materials with opposite magnetism.
Referring to fig. 4 and 5, in some embodiments of the present invention, the cover plate 4 is a box structure with an opening at one end, and the second magnetic structure 3 is disposed in the box structure through adhesive.
In order to avoid influencing the magnetic connection between the second magnetic structure 3 and the first magnetic structure, part of the second magnetic structure 3 is exposed out of the box structure, or one surface of the second magnetic structure 3, which is far away from the bottom of the box structure, is flush with the end surface of the box structure.
In this embodiment, the cover plate 4 is required to ensure aesthetic appearance as an appearance member, and in some embodiments, the bottom surface (i.e., the appearance surface) of the cover plate 4 is in the shape of a strip, and two ends of the strip are round ends.
In this embodiment, the cover plate 4 is made of an aluminum alloy by an aluminum extrusion process, and an oxide film formed by an anodic process is formed on the surface of the cover plate 4.
In this embodiment, second magnetic structure 3 adopts magnet to make, in order to reduce the technology degree of difficulty, second magnetic structure 3 is the cuboid, be provided with limit structure on the internal surface of the bottom of apron 4, make second magnetic structure 3 is located the middle part of apron 4.
In some embodiments, the limiting structures include limiting blocks 41 symmetrically disposed at two ends of the extending direction of the cover plate 4, but not limited thereto.
In this embodiment, the adhesive glue is an AB glue, but not limited thereto.
In some embodiments of this embodiment, the first connecting portion 11 is provided with a snap groove 101.
When mechanical button and host computer casing equipment, be provided with the couple on the host computer casing, promptly with joint spare 111 of joint groove 101 matched with compares the connected mode among the conventional art, reduces the degree of difficulty, and saves space.
In some embodiments of the present invention, the first connection portion 11 is L-shaped, and includes a first sub-connection portion 102 perpendicular to the first direction and a second sub-connection portion 103 parallel to the first direction, and the engaging groove 101 is disposed on the second sub-connection portion 103.
First connecting portion 11 is L shape, be provided with on the host computer casing with first connecting portion 11 matched with L shape recess 112 is L shape first connecting portion 11 with L shape recess 112 cooperatees, can realize elastic arm 1 is in fixed and spacing on the first direction, the stack joint groove 101 and joint spare 111's joint, under the dual function, increase elastic arm 1's connection stability.
In some embodiments of the present invention, two first connection portions 11 are symmetrically disposed on two sides of the middle portion.
The protrusion 202 for triggering is located in the middle of the first portion 21, the two first connecting portions 11 are for connecting and fixing, and the two first connecting portions 11 are symmetrically arranged on two sides of the middle, so that the protrusion 202 can be accurately acted when the cover plate 4 is pressed.
Referring to fig. 6, an embodiment of the present invention further provides a display device, including:
the mechanical key;
the portable electronic device further comprises a host shell, wherein the host shell comprises a first shell, a second shell and a cover plate, the first shell 10 is arranged outside the second shell, a mounting groove 112 for mounting the elastic arm 1 is formed in the first shell 10, a second connecting part which is matched with the first connecting part 11 to fix the elastic arm 1 is arranged on the mounting groove 112, and part of the cover plate 4 is exposed out of the second shell;
the multifunctional key is characterized by further comprising a function control board 5, a movable contact 51 is arranged on the function control board 5, the movable contact 51 is arranged to face the protruding portion 202, the mechanical key is pressed, and under the elastic action of the elastic arm 1, the protruding portion 202 is in contact with the movable contact 51 to trigger corresponding functions.
Through the first connecting portion 11 at the both ends of elastic arm 1 is connected with the host computer casing to utilize the magnetic force effect of first magnetic structure and second magnetic structure 3, realize the fixed between elastic arm 1 and the apron 4, save space.
In this embodiment, the function control board 5 is a PCB, and the PCB is provided with a movable contact 51, and under the action of the pressing force, the protrusion 202 moves towards the direction close to the movable contact 51, so that the movable contact 51 moves to be electrically connected with a connection pin on the PCB, thereby triggering a corresponding function (for example, lighting up a display device).
In this embodiment, the gap between the movable contact 51 and the protrusion 202 is 0.1-0.3mm, and in a specific embodiment, the gap between the movable contact 51 and the protrusion 202 is 0.2mm to provide a pressing space.
In this embodiment, for example, a clamping groove 101 is formed in the first connecting portion 11, and the second connecting portion includes a clamping member 111 capable of passing through the clamping groove 101. The clamping piece 111 is matched with the clamping groove 101 to fix the mechanical key on the host casing.
In this embodiment, the first connecting portion 11 is L-shaped, and includes a first sub-connecting portion 102 perpendicular to the first direction and a second sub-connecting portion 103 parallel to the first direction, and the engaging groove 101 is disposed on the second sub-connecting portion 103;
the second connection portion includes an L-shaped groove corresponding to the first connection portion 11.
Be L shape first connecting portion 11 with L shape recess cooperatees, can realize elastic arm 1 is in fixed and spacing on the first direction, the stack joint groove 101 and joint spare 111's joint, under the dual function, increase elastic arm 1's connection stability.
The display device may be: the display device comprises any product or component with a display function, such as a liquid crystal television, a liquid crystal display, a digital photo frame, a mobile phone, a tablet personal computer and the like, wherein the display device further comprises a flexible circuit board, a printed circuit board and a back plate.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (13)
1. A mechanical key, comprising:
the elastic arm is provided with two first connecting parts connected with the host shell at two opposite ends in the first direction;
the middle part of the elastic arm is of an annular hollow structure, an intermediate connecting piece is arranged in the annular hollow structure, the intermediate connecting piece is provided with a first part and a second part which are opposite in the thickness direction of the elastic arm, one side, far away from the second part, of the first part is provided with a protruding part extending in the direction far away from the second part, and the second part is of a first magnetic structure with magnetism;
the magnetic-field-induced electromagnetic valve further comprises a cover plate, and a second magnetic structure capable of being magnetically attracted to the first magnetic structure is accommodated in the cover plate.
2. The mechanical key of claim 1, wherein the resilient arm is integrally injection molded with the first and second portions.
3. The mechanical key of claim 2, wherein said first portion is formed of ABS plastic, said resilient arms are formed of thermoplastic polyurethane elastomer, and said resilient arms and said first portion are injection molded using a two-shot molding process.
4. The mechanical key of claim 1 or 2, wherein the first portion comprises a first connecting plate, wherein a side of the first connecting plate remote from the second portion is provided with the protrusion, and a side of the first connecting plate close to the second portion is provided with the positioning post.
5. The mechanical key of claim 4, wherein the second portion includes a second connecting plate, the second connecting plate has a positioning hole for the positioning column to pass through, and after the positioning column passes through the positioning hole, an end surface of the positioning column away from the first connecting plate and a surface of the second connecting plate away from the first connecting plate are located on the same plane.
6. The mechanical key of claim 1, wherein said second portion is made of iron and said second magnetic structure is a magnet.
7. The mechanical key of claim 2, wherein the cover plate is a box structure with an opening at one end, and the second magnetic structure is disposed in the box structure through an adhesive.
8. The mechanical key of claim 1, wherein the first connecting portion has a snap groove formed therein.
9. The mechanical key of claim 8, wherein the first connecting portion is L-shaped and includes a first sub-connecting portion perpendicular to the first direction and a second sub-connecting portion parallel to the first direction, and the engaging groove is disposed on the second sub-connecting portion.
10. The mechanical key of claim 8, wherein the two first connecting portions are symmetrically disposed on two sides of the middle portion.
11. A display device, comprising:
the mechanical key of any one of claims 1-10;
the portable electronic device further comprises a host shell, wherein the host shell comprises a first shell and a second shell arranged outside the first shell, a mounting groove for mounting the elastic arm is formed in the first shell, a second connecting part which is matched with the first connecting part to fix the elastic arm is arranged on the mounting groove, and part of the cover plate is exposed out of the second shell;
the mechanical key is pressed, and under the elastic action of the elastic arm, the protruding part is in contact with the movable contact to trigger corresponding functions.
12. The display device according to claim 11, wherein the first connecting portion is provided with a locking groove, and the second connecting portion comprises a locking member capable of passing through the locking groove.
13. The display device according to claim 12, wherein the first connecting portion is L-shaped and includes a first sub-connecting portion perpendicular to the first direction and a second sub-connecting portion parallel to the first direction, and the engaging groove is disposed on the second sub-connecting portion;
the second connecting portion includes an L-shaped groove corresponding to the first connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111403053.4A CN114156109A (en) | 2021-11-24 | 2021-11-24 | Mechanical key and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111403053.4A CN114156109A (en) | 2021-11-24 | 2021-11-24 | Mechanical key and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114156109A true CN114156109A (en) | 2022-03-08 |
Family
ID=80457384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111403053.4A Pending CN114156109A (en) | 2021-11-24 | 2021-11-24 | Mechanical key and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114156109A (en) |
-
2021
- 2021-11-24 CN CN202111403053.4A patent/CN114156109A/en active Pending
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