CN210664997U - Pressing device for mute test of keyboard - Google Patents
Pressing device for mute test of keyboard Download PDFInfo
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- CN210664997U CN210664997U CN201921089035.1U CN201921089035U CN210664997U CN 210664997 U CN210664997 U CN 210664997U CN 201921089035 U CN201921089035 U CN 201921089035U CN 210664997 U CN210664997 U CN 210664997U
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- keyboard
- gasbag
- air
- pressing device
- bracing piece
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Abstract
The utility model relates to a keyboard silence test is with press device, including singlechip, air pump, bracing piece and gasbag, the singlechip is connected with the relay, the air pump is connected with the trachea, be provided with air-vent valve and solenoid valve on the trachea, the solenoid valve with the relay is connected, be provided with the air guide hole in the bracing piece, the trachea with the air guide hole is linked together, the gasbag includes the gasbag body, locates the open end on gasbag body top and locating the blind end of gasbag body bottom, the air guide hole with the open end is linked together. The utility model discloses simple structure, convenient to use make the gasbag inflation press the button of keyboard through atmospheric pressure, can not sound pressing the in-process, can not cause the interference for test structure is accurate.
Description
Technical Field
The utility model relates to a keyboard silence test equipment especially relates to a press device is used in keyboard silence test.
Background
In the production line of the keyboard, after a preset assembly process is completed, the keyboard needs to be tested whether an abnormality exists, wherein the abnormality includes a mute test. The content of the test comprises the sound of the pressed key, the key is generally driven to be pressed by an air cylinder or an electric cylinder at present, but the air cylinder and the electric cylinder can make a great sound in the working process, so that interference is caused, and the test cannot be accurately carried out.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a simple structure's press device is used in keyboard silence test.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a keyboard silence test is with press device, includes singlechip, air pump, bracing piece and gasbag, the singlechip is connected with the relay, the air pump is connected with the trachea, be provided with air-vent valve and solenoid valve on the trachea, the solenoid valve with the relay is connected, be provided with the air guide hole in the bracing piece, the trachea with the air guide hole is linked together, the gasbag includes the gasbag body, locates the open end on gasbag body top and locating the blind end of gasbag body bottom, the air guide hole with the open end is linked together.
The utility model discloses a preferred embodiment, keyboard silence test is with press device further includes be provided with the manometer on the trachea, the manometer is located between air-vent valve and the solenoid valve.
In a preferred embodiment of the present invention, the pressing device for keyboard silence testing further comprises the air bag made of plastic or rubber.
In a preferred embodiment of the present invention, the pressing device for keyboard silence testing further comprises a bellows-shaped airbag body.
In a preferred embodiment of the present invention, the pressing device for testing the keyboard silence further comprises a bottom end of the closed end being horizontal.
In a preferred embodiment of the present invention, the pressing device for testing the keyboard silence further comprises an integrally formed connection of the open end, the airbag body and the closed end.
The utility model discloses a preferred embodiment, keyboard silence test is with press device further includes the bracing piece body, sets up the branch of bracing piece body bottom, the guiding hole follows this internal extension of bracing piece reaches in the branch, branch inserts in the open end.
In a preferred embodiment of the present invention, the pressing device for keyboard silence testing further comprises AT89C2052 of the type of the single chip microcomputer.
The utility model provides a defect that exists among the background art, the utility model discloses simple structure, convenient to use make the gasbag inflation press the button of keyboard through atmospheric pressure, can not sound pressing the in-process, can not cause the interference for the test result is accurate.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a preferred embodiment of the present invention;
in the figure: 10. the air bag comprises a single chip microcomputer 12, an air pump 14, a support rod 16, an air bag 18, a relay 20, an air pipe 22, a pressure regulating valve 24, an electromagnetic valve 26, an air guide hole 28, an air bag body 30, an upper opening end 32, a lower closing end 33, a pressure gauge 34, a support rod body 36 and a support rod.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
As shown in fig. 1, a pressing device for a keyboard silence test comprises a single chip microcomputer 10, an air pump 12, a support rod 14 and an air bag 16, wherein the single chip microcomputer 10 is connected with a relay 18, the air pump 12 is connected with an air pipe 20, the air pipe 20 is provided with a pressure regulating valve 22 and an electromagnetic valve 24, the pressure regulating valve 22 is arranged between the air pump 12 and the electromagnetic valve 24, the pressure regulating valve 22 is used for regulating the pressure of air circulating in the air pipe 20, the electromagnetic valve 24 is connected with the relay 18, the opening or closing of the electromagnetic valve 24 is controlled through the relay 18, an air guide hole 26 is arranged in the support rod 14, the air pipe 20 is communicated with the air guide hole 26 so that the air can enter the air guide hole 26 through the air pipe 20, the air bag 16 comprises an air bag body 28, an open end 30 arranged at the top end, this allows gas in the gas-permeable vent 26 to enter the airbag body 28 through the open end 30.
The utility model discloses be provided with manometer 33 on preferred trachea 20, manometer 33 is located between air-vent valve 22 and the solenoid valve 24, can observe gas pressure in the trachea 20 in real time through manometer 33, and the air-vent valve 22 of being convenient for is adjusted atmospheric pressure to the test requirement value, convenient and fast.
The preferred gasbag 16 of the utility model is made of plastic material, but not limited to plastic material, and can also be made of rubber material.
To facilitate inflation of the bladder 16, the preferred bladder body 28 of the present invention is corrugated.
The utility model discloses the bottom of preferred lower blind end 32 is the level form, the area of contact of increase and the button of keyboard for pressing force is even, improves the pressing quality.
The utility model discloses preferred open end 30, gasbag body 28 and blind end 32 integrated into one piece connect, improve the life of gasbag 16.
The utility model discloses preferred bracing piece 14 includes bracing piece body 34, sets up branch 36 in bracing piece body 34 bottom, and in guiding hole 26 extended to branch 36 from bracing piece body 34, branch 36 inserted in the open end 30, realized being connected of branch 36 and open end 30.
The utility model discloses AT89C2052 of the model of preferred singlechip 10, low cost, the stable performance.
The utility model discloses when using, the blind end 32 of gasbag 16 and the button contact of the keyboard of examination of awaiting measuring, air pump 12 is with gaseous pump income trachea 20 in, the air-vent valve 22 adjusts the gaseous pressure in the trachea 20, simultaneously through the numerical value of observing manometer 33, with gaseous pressure modulation to the required requirement of test, singlechip 10 sends a signal for relay 18, relay 18 control solenoid valve 24 is opened, with the gaseous leading-in air guide hole 26 of leading-in the trachea 20 earlier, get into in gasbag body 28 by open end 30 again, aerify for gasbag body 28, make gasbag body 28 inflation, the button is pressed to blind end 32, through opening or closing of 24 intervals of solenoid valve, make gasbag body 28 inflation or reset, the button is pressed or is lifted up.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides a press device is used in keyboard silence test which characterized in that: including singlechip, air pump, bracing piece and gasbag, the singlechip is connected with the relay, the air pump is connected with the trachea, be provided with air-vent valve and solenoid valve on the trachea, the solenoid valve with the relay is connected, be provided with the air guide hole in the bracing piece, the trachea with the air guide hole is linked together, the gasbag includes the gasbag body, locates the open end on gasbag body top and locating the blind end of gasbag body bottom, the air guide hole with the open end is linked together.
2. The pressing device for a keyboard silence test according to claim 1, wherein: the air pipe is provided with a pressure gauge, and the pressure gauge is located between the pressure regulating valve and the electromagnetic valve.
3. The pressing device for a keyboard silence test according to claim 1, wherein: the air bag is made of plastic or rubber materials.
4. The pressing device for the keyboard silence test according to claim 3, wherein: the airbag body is in a corrugated pipe shape.
5. The pressing device for the keyboard silence test according to claim 4, wherein: the bottom end of the closed end is horizontal.
6. The pressing device for the keyboard silence test according to claim 5, wherein: the open end, the air bag body and the closed end are integrally formed and connected.
7. The pressing device for a keyboard silence test according to claim 1, wherein: the bracing piece includes the bracing piece body, sets up the branch of bracing piece body bottom, the air guide hole is followed this internal extension of bracing piece reaches in the branch, branch inserts in the open end.
8. The pressing device for a keyboard silence test according to claim 1, wherein: the type of the single chip microcomputer is AT89C 2052.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921089035.1U CN210664997U (en) | 2019-07-12 | 2019-07-12 | Pressing device for mute test of keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921089035.1U CN210664997U (en) | 2019-07-12 | 2019-07-12 | Pressing device for mute test of keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210664997U true CN210664997U (en) | 2020-06-02 |
Family
ID=70816966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921089035.1U Active CN210664997U (en) | 2019-07-12 | 2019-07-12 | Pressing device for mute test of keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210664997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116413021A (en) * | 2023-06-09 | 2023-07-11 | 新乡职业技术学院 | Computer keyboard life-span detects test equipment |
-
2019
- 2019-07-12 CN CN201921089035.1U patent/CN210664997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116413021A (en) * | 2023-06-09 | 2023-07-11 | 新乡职业技术学院 | Computer keyboard life-span detects test equipment |
| CN116413021B (en) * | 2023-06-09 | 2023-08-15 | 新乡职业技术学院 | Computer keyboard life-span detects test equipment |
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