CN107968005B - Key protector with safety for light conducting plate products - Google Patents
Key protector with safety for light conducting plate products Download PDFInfo
- Publication number
- CN107968005B CN107968005B CN201711202601.0A CN201711202601A CN107968005B CN 107968005 B CN107968005 B CN 107968005B CN 201711202601 A CN201711202601 A CN 201711202601A CN 107968005 B CN107968005 B CN 107968005B
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- CN
- China
- Prior art keywords
- protective cover
- support
- light guide
- guide plate
- spring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/287—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member wherein the operating part is made inaccessible or more difficult to access by a lid, cover or guard, e.g. lockable covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
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- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a key protection device with a safety for light guide plate products, which comprises: the protective cover (1), the support (2), the spring (3) and the rear seat (4); the rear seat (4) is arranged on the cover plate at the back of the light guide plate and the light guide plate, the rear seat (4) is fixedly connected with the support (2), the protective cover (1) is connected with the support (2) through a shaft pin, the spring (3) is an arc spring, two ends of the spring are respectively arranged at the connecting end parts of the protective cover (1) and the support (2), when the protective cover (1) is pulled to 90 degrees relative to the light guide plate, the spring (3) reaches a stable state, so that the protective cover is stabilized in an 'open' state, when the protective cover (1) rotates to 0 degree relative to the light guide plate, the spring (3) reaches another stable state, and the protective cover (1) is stabilized in a 'closed' state and covers the protected key. The invention has simple structure, convenient operation, stability and reliability.
Description
Technical Field
The invention belongs to the field of structural design of electronic equipment, and relates to a key protection device for a light guide plate product with a safety.
Background
At present, in having all kinds of light guide plate class electronic equipment, a lot of needs protect the design to special button, make the button that needs the protection protected by the visor protection at ordinary times, still need to design the insurance in order to prevent that the mistake from touching, can monitor the button fast and whether touched by the mistake. This requires that the key protection cover not only satisfy the reliability, but also make the operation convenient and fast when the key needs to be pressed. The conventional key protection covers are fixed on structural members, need to occupy large space and are not suitable for compact electronic equipment with a light guide plate. In order to improve the situation, it is urgently needed to design a key protection device with a safety for light guide plate products.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: the key protection device for the light guide plate product with the safety, which overcomes the defects of the prior art, has two stable states of opening and closing and is convenient to operate.
(II) technical scheme
In order to solve the above technical problems, the present invention provides a key protection device for a light guide plate product with a safety, comprising: the protective cover comprises a protective cover 1, a support 2, a spring 3 and a rear seat 4; the rear seat 4 is arranged on the cover plates at the back of the light guide plate and the light guide plate, the rear seat 4 is fixedly connected with the support 2, the protective cover 1 is connected with the support 2 through a shaft pin, the spring 3 is an arc spring, two ends of the spring are respectively arranged at the connecting end parts of the protective cover 1 and the support 2, when the protective cover 1 is pulled to 90 degrees relative to the light guide plate, the spring 3 reaches a stable state, the protective cover is stabilized at an opening state, when the protective cover 1 rotates to 0 degree relative to the light guide plate, the spring 3 reaches another stable state, and the protective cover 1 is stabilized at a closing state and covers the protected keys.
The middle part of the inner side of the protective cover 1 is provided with a groove for accommodating a key, the outer side of the protective cover 1 is provided with an auxiliary wing piece, and the protective cover 1 is opened and closed by operating the auxiliary wing piece.
Wherein, the front end of the groove of the protective cover 1 is provided with two nylon struts 5 which buffer the protective cover 1 to contact with the light guide plate.
The rear end of the protective cover 1 is provided with a shaft hole, the top end of the support 2 is provided with a shaft hole, the shaft pin 6 penetrates through the shaft holes of the protective cover 1 and the support 2 to realize connection of the protective cover 1 and the support 2, and the protective cover 1 and the support 2 are opened and closed to rotate through the shaft pin 6 as a rotating shaft.
The rear end of the protective cover 1 is provided with a limiting groove, the top end of the support 2 is provided with a limiting groove, and the protective cover 1 and the support 2 fix the spring 3 in the limiting grooves through two shaft pins.
Wherein, the lateral part of the protective cover 1 is provided with a fuse hole, the same lateral part of the support 2 is also provided with a fuse hole, and when the protective cover 1 is closed, a fuse is used to pass through the two fuse holes to lock the protective cover 1.
The rear seat 4 is plate-shaped, a group of mounting holes are formed in the rear seat 4, and the rear seat 4 is connected with the light guide plate and the back of the light guide plate through the group of mounting holes.
The rear seat 4 is further provided with a guide post and a counter bore, the guide post is embedded into the guide bore formed in the bottom of the support 2, and the counter bore corresponds to the threaded hole formed in the bottom of the support 2 and is connected with the threaded hole through a screw 7.
(III) advantageous effects
The key protection device with the safety for the light guide plate products, which is provided by the technical scheme, has the advantages of simple structure, convenience in operation, stability and reliability.
Drawings
Fig. 1 and fig. 2 are schematic diagrams of two different orientation structures of the key protection device.
FIG. 3 is a schematic view of a protective cover.
Fig. 4 is a schematic view of the stand.
Fig. 5 is a schematic view of a spring.
Fig. 6 is a schematic view of the rear seat.
Fig. 7 is a schematic view of the pin.
Fig. 8 is a schematic view illustrating a closed state of the protective cover.
Fig. 9 is a schematic view illustrating an opened state of the protective cover.
The device comprises a protective cover 1, a support 2, a spring 3, a rear seat 4, a nylon support 5, a shaft pin 6 and a screw 7.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
Referring to fig. 1 to 9, the key protection device of the present embodiment includes four parts, namely a protection cover 1, a support 2, a spring 3 and a rear seat 4; the rear seat 4 is arranged on the cover plates at the back of the light guide plate and the light guide plate, the rear seat 4 is fixedly connected with the support 2, the protective cover 1 is connected with the support 2 through a shaft pin, the spring 3 is an arc spring, two ends of the spring are respectively arranged at the connecting end parts of the protective cover 1 and the support 2, when the protective cover 1 is pulled to 90 degrees relative to the light guide plate, the spring 3 reaches a stable state, the protective cover is stabilized at an opening state, when the protective cover 1 rotates to 0 degree relative to the light guide plate, the spring 3 reaches another stable state, and the protective cover 1 is stabilized at a closing state and covers the protected keys.
Specifically, the middle part of the inner side of the protective cover 1 is provided with a groove for accommodating the key, the outer side is provided with an auxiliary wing, and the protective cover 1 is opened and closed by operating the auxiliary wing.
Two nylon support posts 5 for buffering the contact of the protective cover 1 and the light guide plate are arranged at the front end of the groove of the protective cover 1.
The rear end of the protective cover 1 is provided with a shaft hole, the top end of the support 2 is provided with a shaft hole, the shaft pin 6 penetrates through the shaft holes of the protective cover 1 and the support 2 to realize connection of the protective cover 1 and the support 2, and the protective cover 1 and the support 2 can be opened and closed to rotate by taking the shaft pin 6 as a rotating shaft.
The rear end of the protective cover 1 is provided with a limiting groove, the top end of the support 2 is provided with a limiting groove, and the protective cover 1 and the support 2 fix the spring 3 in the respective limiting groove through two shaft pins.
The protective cover 1 is provided with a fuse hole at a side portion thereof, and the holder 2 is also provided with a fuse hole at the same side portion thereof, so that when the protective cover 1 is closed, the protective cover 1 is locked by passing a fuse through both the fuse holes.
The rear seat 4 is plate-shaped, and a set of mounting holes are formed in the rear seat 4, and the rear seat 4 is connected with the light guide plate and the back of the light guide plate through the set of mounting holes.
The rear seat 4 is also provided with a guide post and a counter bore, the guide post is embedded into the guide bore formed in the bottom of the support 2, and the counter bore corresponds to the threaded hole formed in the bottom of the support 2 and is connected with the threaded hole through a screw 7.
The user turns over the protective cover 1 by stirring the auxiliary wing piece on the protective cover 1, the protective cover 1 can bounce upwards and cut off the fuse connecting the protective cover 1 and the support 2 under the elastic force of the spring 3, when the protective cover 1 rotates to 90 degrees, the spring 3 reaches a stable state, so that the protective cover 1 is stabilized in an 'open' state, and at the moment, the operator can conveniently press the key; at ordinary times, the protective cover 1 is rotated to 0 degree, the spring 3 reaches another stable state, so that the protective cover is stable in a closed state, fuses are arranged in the fuse holes of the protective cover 1 and the support 2, and the keys are prevented from being touched by mistake.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a take light guide plate class key protection device for product of insurance which characterized in that includes: the protective cover (1), the support (2), the spring (3) and the rear seat (4); the rear seat (4) is arranged on the light guide plate and the cover plate on the back of the light guide plate, the rear seat (4) is fixedly connected with the support (2), the protective cover (1) is connected with the support (2) through a shaft pin, the spring (3) is an arc spring, two ends of the spring are respectively arranged at the connecting end parts of the protective cover (1) and the support (2), when the protective cover (1) is pulled to 90 degrees relative to the light guide plate, the spring (3) reaches a stable state, so that the protective cover is stabilized in an 'open' state, and when the protective cover (1) rotates to 0 degree relative to the light guide plate, the spring (3) reaches another stable state, so that the protective cover (1) is stabilized in a 'closed' state and covers the protected key;
a groove for accommodating the key is formed in the middle of the inner side of the protective cover (1), an auxiliary wing piece is arranged on the outer side of the protective cover, and the protective cover (1) is opened and closed by operating the auxiliary wing piece;
two nylon support columns (5) which buffer the protective cover (1) to contact with the light guide plate are arranged at the front end of the groove of the protective cover (1);
the rear end of the protective cover (1) is provided with a shaft hole, the top end of the support (2) is provided with a shaft hole, a shaft pin (6) penetrates through the shaft holes of the protective cover (1) and the support (2) to realize the connection of the protective cover and the support, and the protective cover (1) and the support (2) are opened and closed to rotate by taking the shaft pin (6) as a rotating shaft;
the rear end of the protective cover (1) is provided with a limiting groove, the top end of the support (2) is provided with a limiting groove, and the protective cover (1) and the support (2) fix the spring (3) in the limiting grooves through two shaft pins;
the side part of the protective cover (1) is provided with a fuse hole, the same side part of the support (2) is also provided with a fuse hole, and when the protective cover (1) is closed, a fuse penetrates through the two fuse holes to lock the protective cover (1).
2. The key protector with the protector for the light guide plate products as claimed in claim 1, wherein the rear seat (4) is plate-shaped, and a set of mounting holes are formed in the rear seat, and the rear seat (4) is connected with the light guide plate and the back of the light guide plate through the set of mounting holes.
3. The key protector for the light guide plate products with the fuse as claimed in claim 2, wherein the rear seat (4) is further provided with a guide post and a counter bore, the guide post is embedded into the guide hole formed in the bottom of the support (2), and the counter bore corresponds to the threaded hole formed in the bottom of the support (2) and is connected with the threaded hole through a screw (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711202601.0A CN107968005B (en) | 2017-11-27 | 2017-11-27 | Key protector with safety for light conducting plate products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711202601.0A CN107968005B (en) | 2017-11-27 | 2017-11-27 | Key protector with safety for light conducting plate products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107968005A CN107968005A (en) | 2018-04-27 |
| CN107968005B true CN107968005B (en) | 2021-02-12 |
Family
ID=61997885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711202601.0A Active CN107968005B (en) | 2017-11-27 | 2017-11-27 | Key protector with safety for light conducting plate products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107968005B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378239A (en) * | 2018-11-15 | 2019-02-22 | 中航华东光电有限公司 | Rotatable fixed device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702495A (en) * | 2014-11-27 | 2016-06-22 | 上海航空电器有限公司 | Multi-switch small protection device |
| CN206451620U (en) * | 2016-11-24 | 2017-08-29 | 上海航空电器有限公司 | A kind of massage protection lid |
| CN207818424U (en) * | 2017-11-27 | 2018-09-04 | 天津津航计算技术研究所 | Light guide plate class product press key protecting equipment with insurance |
-
2017
- 2017-11-27 CN CN201711202601.0A patent/CN107968005B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702495A (en) * | 2014-11-27 | 2016-06-22 | 上海航空电器有限公司 | Multi-switch small protection device |
| CN206451620U (en) * | 2016-11-24 | 2017-08-29 | 上海航空电器有限公司 | A kind of massage protection lid |
| CN207818424U (en) * | 2017-11-27 | 2018-09-04 | 天津津航计算技术研究所 | Light guide plate class product press key protecting equipment with insurance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107968005A (en) | 2018-04-27 |
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