CN114360950A - Key protection system - Google Patents
Key protection system Download PDFInfo
- Publication number
- CN114360950A CN114360950A CN202111491421.5A CN202111491421A CN114360950A CN 114360950 A CN114360950 A CN 114360950A CN 202111491421 A CN202111491421 A CN 202111491421A CN 114360950 A CN114360950 A CN 114360950A
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- Prior art keywords
- pressure
- sealing cylinder
- key
- slide way
- protection system
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- 238000007789 sealing Methods 0.000 claims abstract description 106
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 238000012423 maintenance Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000012943 hotmelt Substances 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses a key protection system, which comprises a slideway component and a pressure maintaining component, wherein the slideway component is arranged on the pressure maintaining component; the slide way assembly comprises a slide way frame and a sealing cylinder, and the key is arranged in the slide way frame and is provided with a stress part protruding out of the shell; the slide way frame is at least partially arranged in the sealing cylinder and can move in the sealing cylinder by a piston; the pressing direction of the key is consistent with the moving direction of the slide way frame in the sealing cylinder; the pressure maintaining assembly is connected with the sealing cylinder and used for pressurizing the inside of the sealing cylinder so as to maintain the pressure between the slide way frame and the sealing cylinder at a preset pressure; when the pressure for pressing the stress part is the pressure required for realizing the key function and is not more than the preset pressure, the slide way frame does not move in the sealing cylinder; when the pressure of the pressing stress part is greater than the preset pressure, the key drives the slide way frame to move in the sealing cylinder. The key protection system can effectively prevent the key from being damaged due to excessive impact.
Description
Technical Field
The invention belongs to the technical field of electronic products, and particularly relates to a key protection system.
Background
With the great popularity of electronic products, more and more people are using various forms of electronic products, such as mobile phones, tablets, smart watches, and the like.
Due to the functional requirements, the electronic product is at least provided with one or more physical keys, and the physical keys are usually of a convex structure, so that the user can press the keys conveniently. However, when the physical key is impacted due to falling, the devices inside the key are easily damaged due to excessive impact, so that the physical key cannot be used normally.
Disclosure of Invention
In view of the above, the present application discloses a key protection system to overcome or at least partially solve the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
the application discloses a key protection system, which comprises a slideway component and a pressure maintaining component;
the slide way assembly comprises a slide way frame and a sealing cylinder, and the key is arranged in the slide way frame and is provided with a stress part protruding out of the shell;
at least part of the slideway is erected in the sealing cylinder and can perform piston motion in the sealing cylinder; the pressing direction of the key is consistent with the moving direction of the slide way frame in the sealing cylinder; the pressure maintaining assembly is connected with the sealing cylinder and used for pressurizing the inside of the sealing cylinder so as to maintain the pressure between the slide way frame and the sealing cylinder at a preset pressure;
when the pressure for pressing the stress part is the pressure required for realizing the key function and is not more than the preset pressure, the slide way frame does not move in the sealing cylinder; when the pressure of pressing the stress part is greater than the preset pressure, the key drives the slide frame to move in the sealing cylinder.
Further, the pressure maintenance assembly includes a pressurization motor and a pressurization conduit;
the pressurizing motor is connected with the sealing cylinder through the pressurizing pipeline.
Furthermore, the key protection system also comprises a pressure control assembly; the pressure control assembly comprises a pressure sensor and a controller;
the pressure sensor is connected with the sealing cylinder through the pressurizing pipeline and used for detecting the pressure in the sealing cylinder;
the controller is used for controlling the pressure maintaining component according to the pressure detected by the pressure sensor.
Furthermore, the pressurizing pipeline is a three-way pipeline, and three ports of the pressurizing pipeline are respectively and fixedly connected with the sealing cylinder, the pressurizing motor and the pressure sensor.
Further, the slideway assembly also comprises a plurality of first sealing rings;
the first sealing ring is arranged in a sealing groove on the slide way frame, is in interference fit with the inner wall of the sealing cylinder and is used for sealing between the slide way frame and the sealing cylinder;
and a plurality of second sealing rings are arranged between the pressurizing pipeline and the sealing cylinder.
Furthermore, the preset pressure is a preset multiple of the pressure required by the key to realize the key function.
Furthermore, the key is fixedly connected with the slide way frame in a gluing connection mode, a screw connection mode, a hot melting connection mode or a buckling connection mode.
Further, the shape of slide frame one end with the inside radial cross section shape phase-match of sealed jar, and arrange in the cavity of sealed jar, the slide frame other end is arranged in the cavity outside of sealed jar.
Further, a flange is arranged on the inner side of a cylinder opening of the sealing cylinder, and the inner diameter of the flange is smaller than the outer diameter of the end part of the slide way frame in the sealing cylinder.
Furthermore, two rows of symmetrical guide posts are arranged on the inner side of the shell, and the slide way is erected between the two rows of guide posts;
the inner sides of the guide columns are provided with guide blocks, and guide grooves matched with the guide blocks are formed in two sides of the slide way frame.
The application has the advantages that:
in the key protection system, keys are arranged in a slide way frame, at least part of the slide way frame is arranged in a sealing cylinder and can move in the sealing cylinder through a piston, the sealing cylinder is pressurized through a pressure maintaining assembly, so that the pressure between the slide way frame and the sealing cylinder is maintained at a preset pressure, and when the pressure for pressing a stress part is the pressure required for realizing the functions of the keys and is not more than the preset pressure, the slide way frame does not move in the sealing cylinder; when the pressure of pressing the stress part is greater than the preset pressure, the key drives the slide way frame to carry out piston motion in the sealing cylinder, the impact energy received by the key is absorbed by the piston motion acting, and then the damage of the key caused by excessive impact is avoided.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is an exploded view of a key protection system in one embodiment of the present application;
FIG. 2 is a perspective view of a key protection system according to an embodiment of the present application;
FIG. 3 is a partial cross-sectional view of a key protection system in an embodiment of the present application;
FIG. 4 is an axial cross-sectional view of a seal cylinder in an embodiment of the present application;
fig. 5 is a perspective view of a ramp rack in an embodiment of the present application.
In the figure: 1. a slideway rack; 2. sealing the cylinder; 3. pressing a key; 4. a housing; 5. a force receiving portion; 6. a pressurizing motor; 7. a pressurized conduit; 8. a pressure sensor; 9. a controller; 10. a first seal ring; 11. a sealing groove; 12. a second seal ring; 13. a flange; 14. a guide post; 15. a guide groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail and fully with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
In one embodiment of the present application, a key protection system is disclosed, which includes a sliding assembly and a pressure maintaining assembly, and the key in this embodiment is a physical key.
Specifically, as shown in fig. 1 to 3, the slide assembly includes a slide frame 1 and a sealing cylinder 2, and the key 3 is installed in the slide frame 1 and has a force receiving portion 5 protruding out of the housing 4. The force receiving portion 5 may be a key cap, and the key function of the key 3 is realized by pressing the force receiving portion 5.
At least part of the slideway frame 1 is arranged in the sealing cylinder 2 and can perform piston motion in the sealing cylinder 2; the pressing direction of the key 3 is consistent with the moving direction of the slide way frame 1 in the sealing cylinder 2; the pressure maintaining assembly is connected with the sealing cylinder 2 and used for pressurizing the inside of the sealing cylinder 2 so as to maintain the pressure between the slide way frame 1 and the sealing cylinder 2 at a preset pressure. The preset pressure is not less than the pressure required by the key 3 to realize the key function.
When the key 3 is normally pressed, namely the pressing pressure on the stress part 5 is the pressure required for realizing the key function, but is not more than the preset pressure, the slide way frame 1 does not move in the sealing cylinder 2; when the key 3 is excessively impacted by external force, namely the pressing pressure of the stress part 5 is greater than the preset pressure, the key 3 drives the slideway frame 1 to perform piston motion in the sealing cylinder 2, and the impact energy of the key 3 is absorbed by the piston motion acting to protect the key 3.
The concrete piston motion of slide frame 1 in sealed jar 2 does: the slideway frame 1 moves in a single direction towards the pressing direction of the key 3 in the sealing cylinder 2, or the slideway frame 1 moves in a reciprocating way in the sealing cylinder 2. When the key 3 is subjected to excessive impact force and the impact force is continuous all the time, the slide way frame 1 performs unidirectional motion because the impact force is greater than the preset pressure; when the key 3 is subjected to excessive impact force but the impact force disappears subsequently, the slide way frame 1 moves towards the pressing direction of the key 3 firstly under the action of the impact force, and the slide way frame 1 moves in the sealing cylinder 2 in the reverse direction under the action of the preset pressure.
In summary, in the key protection system of this embodiment, the key is installed in the slide frame, the slide frame is at least partially disposed in the sealing cylinder and can perform piston movement in the sealing cylinder, the sealing cylinder is pressurized by the pressure maintaining assembly, so that the pressure between the slide frame and the sealing cylinder is maintained at the preset pressure, and when the pressure for pressing the stressed portion is the pressure required for implementing the key function, but is not greater than the preset pressure, the slide frame does not move in the sealing cylinder; when the pressure of pressing the atress portion is greater than preset pressure, the button drives the slide frame and carries out piston motion in the sealed jar, and then absorbs impact energy, realizes the impact buffering, avoids the button because excessively strike the damage that leads to.
In one embodiment, as shown in fig. 1-3, the pressure maintenance assembly includes a pressurization motor 6 and a pressurization conduit 7.
The pressurizing motor 6 is connected with the sealing cylinder 2 through a pressurizing pipeline 7, and the sealing cylinder 2 is pressurized through the pressurizing motor 6, so that the pressure between the slide way frame 1 and the sealing cylinder 2 reaches the preset pressure.
Furthermore, the key protection system also comprises a pressure control assembly; as shown in fig. 1 to 3, the pressure control assembly includes a pressure sensor 8 and a controller 9. The controller 9 may be a control circuit board.
The pressure sensor 8 is connected to the sealing cylinder 2 via a pressure line 7 for detecting the pressure in the sealing cylinder 2.
The controller 9 is used to control the pressure maintenance assembly according to the pressure detected by the pressure sensor 8.
Specifically, a pressure value of a preset pressure is set through the pressure sensor 8, when the pressure sensor 8 detects that the pressure in the sealing cylinder 2 is lower than the preset pressure, the pressure sensor 8 sends a pressurization signal to the controller 9, and the controller 9 controls the pressurization motor 6 to work according to the pressurization signal to pressurize the sealing cylinder 2; when the pressure sensor 8 detects that the pressure in the sealing cylinder 2 reaches the preset pressure, the pressure sensor 8 sends a pressurization stopping signal to the controller 9, and the controller 9 controls the pressurization motor 6 to stop working according to the pressurization stopping signal, so that the pressure in the sealing cylinder 2 is maintained at the preset pressure.
In one embodiment, the pressurizing pipeline 7 is a Y-shaped or T-shaped tee pipeline, and as shown in fig. 2 to 3, three ports of the pressurizing pipeline 7 are fixedly connected with the sealing cylinder 2, the pressurizing motor 6 and the pressure sensor 8 respectively.
In one or some embodiments, the ramp assembly further comprises a plurality of first sealing rings 10, and the number of the first sealing rings 10 can be set as required.
As shown in fig. 3 to 5, the first seal ring 10 is disposed in the seal groove 11 of the chute frame 1, and is in interference fit with the inner wall of the seal cylinder 2, for sealing between the chute frame 1 and the seal cylinder 2.
A plurality of second sealing rings 12 are arranged between the pressurizing pipeline 7 and the sealing cylinder 2, and the second sealing rings 12 are used for sealing between the pressurizing pipeline 7 and the sealing cylinder 2. Also, the number of the second seal rings 12 may be set as desired.
In one embodiment, the preset pressure is a preset multiple of the pressure required by the key to realize the key function. Wherein the preset multiple is 1.2 to 2 times.
In one or some embodiments, the key 3 is fixedly connected with the slideway carrier 1 by means of adhesive connection, screw connection, hot melt connection or snap connection. Of course, the key 3 and the rack 1 may be fixedly connected by other methods, and are within the scope of the present application.
In one embodiment, as shown in fig. 3, one end of the slide frame 1 is shaped to match the inner radial cross-sectional shape of the sealing cylinder 2, and is disposed in the cavity of the sealing cylinder 2 to function as a piston, and the other end of the slide frame 1 is disposed outside the cavity of the sealing cylinder 2 and is fixedly connected to the key 3.
In one embodiment, as shown in fig. 3, a flange 13 is provided inside the cylinder opening of the sealing cylinder 2, the inner diameter of the flange 13 is smaller than the outer diameter of the end of the chute frame 1 in the sealing cylinder 2, and the flange 13 plays a role of limiting and preventing the end of the chute frame 1 from being separated from the sealing cylinder 2.
In one or some embodiments, as shown in fig. 1, the inner side of the housing 4 is provided with two rows of symmetrical guide posts 14, the chute frame 1 is placed between the two rows of guide posts 14, and each row of guide posts 14 comprises a plurality of guide posts 14, preferably two. The guide posts 14 are used for guiding the skid frame 1 during movement.
Each guide post 14 inboard all is equipped with the guide block, as shown in fig. 5, and slide frame 1 both sides are equipped with the guide way 15 with guide block complex, and guide block and guide way 15 not only play the guide effect, still play limiting displacement, prevent that slide frame 1 from carrying out the removal or rocking of other directions.
The sealing cylinder 2 is fixed on the shell 4 at the inner side of the guide column 14, the inner side of the guide column 14 is the side of the guide column 14 far away from the key hole on the shell 4, and the stress part 5 protrudes out of the shell 4 from the key hole.
The distance between the sealing cylinder 2 and the key hole is related to the length of the key 3 and the length of the slide frame 1, and specifically, the distance between the cylinder opening of the sealing cylinder 2 and the key hole cannot exceed the length of the key 3 fixedly connected with the slide frame 1 and cannot be smaller than the length of the slide frame 1.
While the foregoing is directed to embodiments of the present invention, other modifications and variations of the present invention may be devised by those skilled in the art in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of better explaining the present invention, and the scope of the present invention should be determined by the scope of the appended claims.
Claims (10)
1. A key protection system is characterized by comprising a slideway component and a pressure maintaining component;
the slide way assembly comprises a slide way frame and a sealing cylinder, and the key is arranged in the slide way frame and is provided with a stress part protruding out of the shell;
at least part of the slideway is erected in the sealing cylinder and can perform piston motion in the sealing cylinder; the pressing direction of the key is consistent with the moving direction of the slide way frame in the sealing cylinder; the pressure maintaining assembly is connected with the sealing cylinder and used for pressurizing the inside of the sealing cylinder so as to maintain the pressure between the slide way frame and the sealing cylinder at a preset pressure;
when the pressure for pressing the stress part is the pressure required for realizing the key function and is not more than the preset pressure, the slide way frame does not move in the sealing cylinder; when the pressure of pressing the stress part is greater than the preset pressure, the key drives the slide frame to move in the sealing cylinder.
2. The key protection system of claim 1, wherein the pressure maintenance assembly includes a pressurization motor and a pressurization conduit;
the pressurizing motor is connected with the sealing cylinder through the pressurizing pipeline.
3. The key protection system of claim 2, further comprising a pressure control assembly; the pressure control assembly comprises a pressure sensor and a controller;
the pressure sensor is connected with the sealing cylinder through the pressurizing pipeline and used for detecting the pressure in the sealing cylinder;
the controller is used for controlling the pressure maintaining component according to the pressure detected by the pressure sensor.
4. The key protection system of claim 3, wherein the pressurization pipeline is a tee pipeline, and three ports of the pressurization pipeline are fixedly connected with the sealing cylinder, the pressurization motor and the pressure sensor respectively.
5. The key protection system of claim 2, wherein the slide assembly further comprises a plurality of first seal rings;
the first sealing ring is arranged in a sealing groove on the slide way frame, is in interference fit with the inner wall of the sealing cylinder and is used for sealing between the slide way frame and the sealing cylinder;
and a plurality of second sealing rings are arranged between the pressurizing pipeline and the sealing cylinder.
6. The key protection system of claim 1, wherein the predetermined pressure is a predetermined multiple of the pressure required by the key to perform the key function.
7. The key protection system according to claim 1, wherein the key is fixedly connected to the slide frame by means of an adhesive connection, a screw connection, a hot-melt connection or a snap connection.
8. The key protection system of claim 1, wherein the shape of one end of the slide frame matches the shape of the inner radial cross section of the seal cylinder and is disposed within the cavity of the seal cylinder, and the other end of the slide frame is disposed outside the cavity of the seal cylinder.
9. The key protection system according to claim 8, wherein a flange is provided inside the opening of the sealing cylinder, and an inner diameter of the flange is smaller than an outer diameter of the end of the slide frame inside the sealing cylinder.
10. The key protection system according to any one of claims 1-9, wherein the inside of said housing is provided with two rows of symmetrical guide posts, and said slide is mounted between said two rows of guide posts;
the inner sides of the guide columns are provided with guide blocks, and guide grooves matched with the guide blocks are formed in two sides of the slide way frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111491421.5A CN114360950A (en) | 2021-12-08 | 2021-12-08 | Key protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111491421.5A CN114360950A (en) | 2021-12-08 | 2021-12-08 | Key protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114360950A true CN114360950A (en) | 2022-04-15 |
Family
ID=81097323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111491421.5A Pending CN114360950A (en) | 2021-12-08 | 2021-12-08 | Key protection system |
Country Status (1)
| Country | Link |
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| CN (1) | CN114360950A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2685652Y (en) * | 2004-03-29 | 2005-03-16 | 陈文超 | Cylinder type buffer unit capable of stepless regulating |
| JP2005351843A (en) * | 2004-06-14 | 2005-12-22 | Seiko Epson Corp | Input button and electronic equipment |
| CN201853614U (en) * | 2009-09-08 | 2011-06-01 | 三星电子株式会社 | Tact switch for portable terminal |
| CN202434383U (en) * | 2011-12-31 | 2012-09-12 | 惠州Tcl移动通信有限公司 | Mobile phone and side-surface key structure |
| KR20150047393A (en) * | 2013-10-24 | 2015-05-04 | 엘지전자 주식회사 | Mobile terminal |
| US20160240332A1 (en) * | 2015-02-16 | 2016-08-18 | Microsoft Technology Licensing, Llc | Switch apparatus and manufacturing method thereof |
| CN108563105A (en) * | 2018-04-24 | 2018-09-21 | 歌尔科技有限公司 | Button and watch with the button |
| CN108682584A (en) * | 2018-06-29 | 2018-10-19 | 深圳市尤迈医疗用品有限公司 | Flexible switch |
| CN110159693A (en) * | 2019-06-24 | 2019-08-23 | 徐州天泓传动设备有限公司 | A kind of adjustable protective type gas spring |
-
2021
- 2021-12-08 CN CN202111491421.5A patent/CN114360950A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2685652Y (en) * | 2004-03-29 | 2005-03-16 | 陈文超 | Cylinder type buffer unit capable of stepless regulating |
| JP2005351843A (en) * | 2004-06-14 | 2005-12-22 | Seiko Epson Corp | Input button and electronic equipment |
| CN201853614U (en) * | 2009-09-08 | 2011-06-01 | 三星电子株式会社 | Tact switch for portable terminal |
| CN202434383U (en) * | 2011-12-31 | 2012-09-12 | 惠州Tcl移动通信有限公司 | Mobile phone and side-surface key structure |
| KR20150047393A (en) * | 2013-10-24 | 2015-05-04 | 엘지전자 주식회사 | Mobile terminal |
| US20160240332A1 (en) * | 2015-02-16 | 2016-08-18 | Microsoft Technology Licensing, Llc | Switch apparatus and manufacturing method thereof |
| CN108563105A (en) * | 2018-04-24 | 2018-09-21 | 歌尔科技有限公司 | Button and watch with the button |
| CN108682584A (en) * | 2018-06-29 | 2018-10-19 | 深圳市尤迈医疗用品有限公司 | Flexible switch |
| CN110159693A (en) * | 2019-06-24 | 2019-08-23 | 徐州天泓传动设备有限公司 | A kind of adjustable protective type gas spring |
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