CN216247168U - Key life-span test structure - Google Patents
Key life-span test structure Download PDFInfo
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- CN216247168U CN216247168U CN202122807319.3U CN202122807319U CN216247168U CN 216247168 U CN216247168 U CN 216247168U CN 202122807319 U CN202122807319 U CN 202122807319U CN 216247168 U CN216247168 U CN 216247168U
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Abstract
The utility model discloses a key life test structure which comprises an installation plate, wherein the left side of the top of the installation plate is connected with a control box through a bolt, the front side of the control box is fixedly connected with a time delay controller, a counter and a starting switch in a penetrating mode respectively, vertical plates are welded on the front side and the rear side of the top of the installation plate, clamping springs are welded on the opposite sides of the front vertical plate and the rear vertical plate, a clamping plate is welded on one side, away from the vertical plates, of each clamping spring, and an electronic organ is connected between the front clamping plate and the rear clamping plate in a sliding mode. The key life testing device has the advantages that the key life testing efficiency is improved, the key life data can be collected more efficiently, and the key life testing device has the foolproof function.
Description
Technical Field
The utility model relates to the technical field of electronic organ testing, in particular to a key life testing structure.
Background
The electronic organ is an electronic keyboard musical instrument, belonging to electronic synthesizer, adopting large scale integrated circuit, most of them are equipped with sound memory storage (wave table). For storing the real sound waveforms of various musical instruments and outputting them at the time of performance. The commonly used electronic organ has two categories of a composition keyboard (with automatic accompaniment) and a synthesizer (without automatic accompaniment).
The key is the important component part of electronic organ, and electronic organ needs test the life of key in the course of working, and present partial key life-span testing arrangement structure is comparatively simple, mostly through the manual test of strikeing of personnel, leads to efficiency of software testing low like this, does not possess in the test process moreover and prevents slow-witted function.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a key life test structure which has the advantages of improving the key life test efficiency, more efficiently collecting the service life data of keys, having the foolproof function and solving the problems that the existing key life test device is low in test efficiency and does not have the foolproof function.
In order to achieve the purpose, the utility model provides the following technical scheme: a key life test structure comprises a mounting plate, wherein the left side of the top of the mounting plate is connected with a control box through a bolt, the front side of the control box is respectively and fixedly connected with a time delay controller, a counter and a starting switch in a penetrating way, the rear side of the control box is fixedly connected with a wiring board in a penetrating way, the front side and the rear side of the top of the mounting plate are both welded with vertical plates, one sides of the front vertical plate and the rear vertical plate which are opposite are both welded with clamping springs, a clamping plate is welded on one side of the clamping spring, which is far away from the vertical plate, an electronic organ is connected between the front clamping plate and the rear clamping plate in a sliding way, the rear side of the top of the mounting plate is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with an air cylinder in a penetrating way, the output end of the air cylinder is riveted with a positioning plate, a positioning hole is formed in the top of the positioning plate, a testing ejector rod penetrates through the inner cavity of the positioning hole and is movably connected with the inner cavity of the positioning hole, and a weight is sleeved on the top of the testing ejector rod.
Preferably, the four corners of the bottom of the mounting plate are fixedly connected with supporting columns, and the bottom of each supporting column is fixedly connected with an anti-skid rubber pad.
Preferably, the output end of the cylinder is in bidirectional electric connection with a wiring board, and the output ends of the delay controller, the counter and the starting switch are all in bidirectional electric connection with the wiring board.
Preferably, the number of the clamping springs is a plurality, and the clamping plates are made of rubber.
Preferably, the surface of the test ejector rod is in threaded connection with the connecting part of the positioning hole, and the bottom of the test ejector rod is sleeved with a silica gel sleeve.
Preferably, the number of the positioning holes is two, and the inner cavity of each positioning hole is provided with a thread.
Compared with the prior art, the utility model has the following beneficial effects:
the key life testing device has the advantages that the key life testing efficiency is improved, the key life data can be collected more efficiently, the fool-proof function is achieved, and the key life testing device is worthy of popularization.
Drawings
FIG. 1 is an isometric view of a structure of the present invention;
FIG. 2 is a rear isometric view of the structure of the present invention;
fig. 3 is an isometric view of a partial structure of the utility model.
In the figure: the device comprises a mounting plate 1, a counter 2, a support column 3, a control box 4, a delay controller 5, a starting switch 6, a fixing frame 7, a positioning plate 8, a cylinder 9, a positioning hole 10, a test ejector rod 11, a weight 12, a clamping spring 13, an electronic organ 14, a clamping plate 15, a vertical plate 16, a silica gel sleeve 17 and a wiring board 18.
Detailed Description
Referring to fig. 1-3, a key life test structure comprises a mounting plate 1, a control box 4 is connected to the left side of the top of the mounting plate 1 through a bolt, a delay controller 5, a counter 2 and a start switch 6 are respectively fixedly connected to the front side of the control box 4 in a penetrating manner, a wiring board 18 is fixedly connected to the rear side of the control box 4 in a penetrating manner, vertical plates 16 are welded to the front side and the rear side of the top of the mounting plate 1, clamping springs 13 are welded to the opposite sides of the front vertical plate 16 and the rear vertical plate 16, a clamping plate 15 is welded to the side, away from the vertical plate 16, of the clamping spring 13, an electronic organ 14 is slidably connected between the front clamping plate 15 and the rear clamping plate 15, a fixing frame 7 is fixedly connected to the rear side of the top of the mounting plate 1, an air cylinder 9 is fixedly connected to the top of the fixing frame 7 in a penetrating manner, a positioning plate 8 is riveted to the output end of the air cylinder 9, a positioning hole 10 is formed in the top of the positioning plate 8, a testing ejector rod 11 is movably connected to the inner cavity of the positioning hole 10 in a penetrating manner, the top of the test ejector rod 11 is sleeved with a weight 12;
four corners of the bottom of the mounting plate 1 are fixedly connected with support columns 3, and the bottoms of the support columns 3 are fixedly connected with anti-skid rubber pads;
the output end of the cylinder 9 is bidirectionally and electrically connected with a wiring board 18, and the output ends of the delay controller 5, the counter 2 and the starting switch 6 are bidirectionally and electrically connected with the wiring board 18;
the number of the clamping springs 13 is a plurality, and the clamping plates 15 are made of rubber;
the surface of the test ejector rod 11 is in threaded connection with the connecting part of the positioning hole 10, and the bottom of the test ejector rod 11 is sleeved with a silica gel sleeve 17;
the number of the positioning holes 10 is two, and the inner cavity of each positioning hole 10 is provided with a thread;
the anti-skidding rubber pads are arranged, so that the friction force between the bottom of the support column 3 and the desktop can be increased, and the movement of the support column is avoided;
the silicon rubber pad 17 is arranged, so that the keys can be protected;
the clamping plate 15 is made of rubber, so that the electronic organ 14 can be protected;
the cylinder 9 is a cylindrical metal part which guides the piston to do linear reciprocating motion in the cylinder, air converts heat energy into mechanical energy through expansion in the engine cylinder, and gas is compressed by the piston in the compressor cylinder to increase pressure;
the delay controller 5 is also called a delay relay, which is a relay with a timing function added on a general electromagnetic relay and is used for timing closing or opening control of circuits in electric working equipment and devices;
the weight 12 is a mass-magnitude-transferring standard gauge having a given mass and a specified shape of the gauge for use in calibrating and measuring on the scale.
When the device is used, an electronic organ 14 is placed between a front clamping plate and a rear clamping plate 15, the clamping plates 15 are pushed under the action of clamping springs 13 to clamp and fix the electronic organ 14, then a test ejector rod 11 penetrates through a positioning hole 10 and is screwed clockwise, then a weight 12 with required weight is sleeved on the top of the test ejector rod 11, a control delay time is set through a delay controller 5, then required test times are set through a counter 2, then a starting switch 6 is pressed down, a control cylinder 9 works to push the test ejector rod 11 on the positioning plate 8 to move down to perform press test on the key below, then the cylinder 9 stops working, the test ejector rod 11 is lifted under the action of resilience force, then the cylinder 9 works to push the test ejector rod 11 to press the key again, the press test is repeatedly performed until the times required to be tested are reached, and the automation degree is higher, the key life test efficiency is improved, key life data can be collected more efficiently, weights 12 of different weights can be changed according to requirements, the test ejector rod 11 is convenient to change, and the testing device has a fool-proof function.
In summary, the following steps: this key life-span test structure uses through the cooperation of mounting panel 1, counter 2, control box 4, time delay controller 5, starting switch 6, mount 7, locating plate 8, cylinder 9, locating hole 10, test ejector pin 11, weight 12, clamping spring 13, electronic organ 14, clamping plate 15, riser 16 and wiring board 18, and it is low to have solved present key life-span testing arrangement's efficiency of software testing, does not possess the problem of preventing slow-witted function simultaneously.
Claims (6)
1. The utility model provides a key life-span test structure, includes mounting panel (1), its characterized in that: the left side at the top of the mounting plate (1) is connected with a control box (4) through a bolt, the front side of the control box (4) is respectively penetrated through a fixedly connected delay controller (5), a counter (2) and a starting switch (6), the rear side of the control box (4) is penetrated through a fixedly connected wiring board (18), vertical plates (16) are welded on the front side and the rear side of the top of the mounting plate (1), clamping springs (13) are welded on one opposite sides of the front vertical plate and the rear vertical plate (16), one side, far away from the vertical plates (16), of each clamping spring (13) is welded with a clamping plate (15), an electronic organ (14) is slidably connected between the front clamping plate and the rear clamping plate (15), a fixing frame (7) is fixedly connected with the rear side of the top of the mounting plate (1), a fixedly connected cylinder (9) is penetrated through the top of the fixing frame (7), and a positioning plate (8) is riveted at the output end of the cylinder (9), the top of the positioning plate (8) is provided with a positioning hole (10), the inner cavity of the positioning hole (10) is movably connected with a testing ejector rod (11) in a penetrating mode, and the top of the testing ejector rod (11) is sleeved with a weight (12).
2. The key life test structure of claim 1, wherein: the mounting panel is characterized in that four corners of the bottom of the mounting panel (1) are fixedly connected with supporting columns (3), and the bottom of each supporting column (3) is fixedly connected with an anti-skid rubber pad.
3. The key life test structure of claim 1, wherein: the output end of the air cylinder (9) is in bidirectional electric connection with a wiring board (18), and the output ends of the delay controller (5), the counter (2) and the starting switch (6) are all in bidirectional electric connection with the wiring board (18).
4. The key life test structure of claim 1, wherein: the number of the clamping springs (13) is a plurality, and the clamping plates (15) are made of rubber.
5. The key life test structure of claim 1, wherein: the surface of the test ejector rod (11) is in threaded connection with the connecting part of the positioning hole (10), and the bottom of the test ejector rod (11) is sleeved with a silica gel sleeve (17).
6. The key life test structure of claim 1, wherein: the number of the positioning holes (10) is two, and the inner cavity of each positioning hole (10) is provided with a thread.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122807319.3U CN216247168U (en) | 2021-11-16 | 2021-11-16 | Key life-span test structure |
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CN202122807319.3U CN216247168U (en) | 2021-11-16 | 2021-11-16 | Key life-span test structure |
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CN216247168U true CN216247168U (en) | 2022-04-08 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114734244A (en) * | 2022-04-28 | 2022-07-12 | 龙健实业有限公司 | Assembling structure for key spring and using method |
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2021
- 2021-11-16 CN CN202122807319.3U patent/CN216247168U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114734244A (en) * | 2022-04-28 | 2022-07-12 | 龙健实业有限公司 | Assembling structure for key spring and using method |
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