CN206353080U - The detection means of piano key cover buffer - Google Patents
The detection means of piano key cover buffer Download PDFInfo
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- CN206353080U CN206353080U CN201621327808.1U CN201621327808U CN206353080U CN 206353080 U CN206353080 U CN 206353080U CN 201621327808 U CN201621327808 U CN 201621327808U CN 206353080 U CN206353080 U CN 206353080U
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Abstract
The utility model is related to the detection means of piano key cover buffer, including key lid, side plate, frame, pushing mechanism, resetting-mechanism, in place gravity sensor, inductor；Key lid includes preceding key lid and rear key lid, and rear key lid is fixed in frame, and preceding key lid is covered around rear key and rotated between position under digging position and lid；Side plate for installing the buffer contacted with preceding key lid is fixed on frame；By preceding key lid from dig position be pushed into the pushing mechanism of nature falling state, preceding key lid is pushed back from the lower position of lid drop down onto lid lower position when dropping down onto the lower position of lid before the resetting-mechanism for digging position, sensing under key lid nature before the gravity sensor of pressure, sensing under key lid when whether inductor in place in place is installed in frame.Test case deviation actual installation scene and Shi Jishiyong situation of the present utility model, the result of acquisition are more accurate, belong to the detection device technical field of piano parts.
Description
Technical field
The utility model is related to the detection device of piano parts, specifically, is related to the detection of piano key cover buffer
Device.
Background technology
For the safe handling of piano, it is often necessary to key lid reload buffer device, in order to avoid hand clamping.
, it is necessary to inspect by random samples to ensure quality after buffer production in enormous quantities.Authorization Notice No. is CN201269818Y practicality
New patent discloses detection apparatus for piano key cover falling retarder, including motion and controller, and motion includes support, consolidated
Fixed board, portable plate and compensating cylinder, one end of balance bar are hinged by push rod and portable plate, and the other end and support are hinged.During test,
Descending lifeline is installed, is moved by the flexible drive portable plate analog key lid of compensating cylinder, realizes the opening and closing of portable plate,
And then descending lifeline is tested.But this detection means has as a drawback that：(1) using fixed plate and the group of portable plate
Close, not using key lid, have difference with actual installation scene.(2) portable plate is driven by the flexible pressure of compensating cylinder and opened and closed, key drowning
There is the process that nature was descended, whole process is all external force driving whereabouts, is not inconsistent with the actual use situation of key lid.(3) because deviateing
Actual installation scene and Shi Jishiyong situation, testing result are inaccurate.
Utility model content
For technical problem present in prior art, the purpose of this utility model is：A kind of deviation buffer is provided
Actual installation scene and actual use situation, so that the detection means of testing result more accurately piano key cover buffer.
In order to achieve the above object, the utility model is adopted the following technical scheme that：
The detection means of piano key cover buffer, including key lid, side plate, frame, pushing mechanism, resetting-mechanism, gravity-feed tank
Answer device, in place inductor；Key lid includes preceding key lid and rear key lid, and rear key lid is fixed in frame, and preceding key lid is covered around rear key to be turned over
Rise and rotated between position and the lower position of lid；Side plate for installing the buffer contacted with preceding key lid is fixed on frame；By before
Key lid is pushed into the pushing mechanism of nature falling state from position is dug, preceding key lid is pushed back to the reset for digging position from the lower position of lid
Drop down onto lid lower position when dropping down onto position under lid under key lid nature before mechanism, sensing before the gravity sensor of pressure, sensing under key lid
When whether inductor in place in place is installed in frame.
As a preferred embodiment, rear key lid by the clamp that is symmetrical set for a pair in frame；Installed in frame
There is alarm lamp.
As a preferred embodiment, key lid is respectively arranged on the left side and the right side and the corresponding side plate of two buffers of left and right；Side plate includes
In boarding positioned at inner side and the installation metallic plate positioned at outside, buffer insertion boarding.
As a preferred embodiment, the detection means of piano key cover buffer also includes two horizontal strokes being parallel to each other in the horizontal plane
Shelves, crosspiece extends along fore-and-aft direction, and one block of side plate is arranged on a crosspiece；Side plate front and back position is adjustable to be fixed on pair
Answer on crosspiece, crosspiece right position is adjustable to be fixed in frame.
As a preferred embodiment, crosspiece is provided with the straight trough extended along fore-and-aft direction, it is straight that side plate is fixed by screws in this
In groove；Frame is provided with the straight trough extended along left and right directions, and crosspiece is fixed by screws in the straight trough.
As a preferred embodiment, pushing mechanism includes pushing motor, turbine and worm mechanism, pushing block, push arm；Push arm, which is fixed on, to be pushed away
The front end of block, the pushing motor being fixed in frame drives pushing block anterior-posterior translation by worm-and-wheel gear, and pushing block drives push arm
Translation, nature falling state is pushed into forward from the rear side in the preceding key lid for digging position by preceding key lid.
As a preferred embodiment, the quantity of push arm is two, it is symmetrical to be fixed on pushing block；The head of push arm is provided with guarantor
Protection pad；Preceding inductor and rear inductor of the pushing mechanism provided with limitation push arm front and back position.
As a preferred embodiment, the end of the rack of rackwork, the reset motor being fixed in frame passes through rack-and-pinion
Mechanism drives wheel alternating translational between front lower place and back upper place, and preceding key lid is pushed back from the lower position of lid and digs position；Reset
Mechanism translates the preceding inductor and rear inductor of position provided with limitation wheel.
The detection method of piano key cover buffer, using the detection means of piano key cover buffer, buffer is installed on
Between side plate and key lid corresponding with buffer model, with the actual installation scene of analogue buffer；Simulated by pushing mechanism
Key is covered before human hand thrust causes can drop down onto position under lid down naturally in the presence of buffer, be simulated by resetting-mechanism on human hand
Key lid, which is returned to, before key lid enables before lift digs position, so that the close actual use situation of the test condition of buffer.
As a preferred embodiment, side plate is equipped with Multiple Type, the side plate of corresponding model is selected according to the model of buffer, and
The product key lid of selection correspondence model.
Principle of the present utility model is：By the combination of side plate and key lid, provided to buffer to be tested close to true
The installation scenario of service condition；By the setting of pushing mechanism, provided to buffer to be tested close to true service condition
Human hand depression power；By the setting of resetting-mechanism, the human hand close to true service condition is provided to buffer to be tested
Above carry operating physical force.Whole test environment is approached with true service condition, and the test result drawn is more accurate.
Generally speaking, the utility model has the following advantages that：
1. installation scenario and service condition the deviation actual installation scene and Shi Jishiyong situation of buffer to be tested, are obtained
The result obtained is more accurate.
2. the side plate of Multiple Type is equipped with, while coordinate the fore-aft adjustable formula of side plate to install, the left/right adjustable peace of crosspiece
Assembling structure so that the highly versatile of test device, it is adaptable to the piano buffer of all models.
3. pushing mechanism and resetting-mechanism are simple in construction, it is easy to manufacture, it is easy to safeguard.
4. using gravity sensor, whether the impulse force of lower section is conformed to when key lid drops to position under lid before can testing
Ask.
5. using key lid before during inductor in place, generally position lower using photoelectric sensor measurement lid and gravity sensor it
Between whether there is gap, with key lid before judging whether in place.
6. pushing mechanism and resetting-mechanism are respectively provided with forward and backward inductor, travel position is limited, the testing time is saved.
7. it is automatically testing simple in construction, easy to operate, after once mounting, engineer need to be according to without real-time monitoring, only
Manual intervention is carried out according to alarm modulating signal.
Brief description of the drawings
Fig. 1 is the front view of the detection means of piano key cover buffer.
Fig. 2 is the top view of the detection means of piano key cover buffer.
Fig. 3 is the left view of the detection means of piano key cover buffer.
Wherein, 1 is preceding key lid, and 2 be rear key lid, and 3 be side plate, and 4 be frame, and 5 be fixture, and 6 be alarm lamp, and 7 be crosspiece, 8
It is pushing block for pushing motor, 9,10 be push arm, and 11 is reset motor, and 12 be rack, and 13 be wheel, and 14 be gravity sensor, 15
It is buffer for neonychium, 16.
3-1 is installs metallic plate, and 3-2 is boarding.
Embodiment
Come that the utility model is described in more detail below.
The detection means of piano key cover buffer, including key lid, side plate, frame, pushing mechanism, resetting-mechanism, gravity-feed tank
Answer device, in place inductor, alarm lamp, fixture, crosspiece.
Key lid includes preceding key lid and rear key lid, using the true parts of piano, coordinates the model of buffer to select.Key afterwards
Lid is by the clamp that is symmetrical set for a pair in frame, and preceding key lid exists around the hinge centres that rear key covered at angle end are located at
Dig and rotated between position and the lower position of lid.
Being respectively arranged on the left side and the right side for key lid is arranged on a side with the corresponding side plate of two buffers of left and right, a buffer
On plate.Side plate is included in the boarding and the installation metallic plate positioned at outside positioned at inner side, buffer insertion boarding, peace
Dress plank is fixed on installation metallic plate.Boarding is provided with Multiple Type, and correspondence installs the buffer of Multiple Type.
The quantity of crosspiece is two, is parallel to each other in the horizontal plane, crosspiece extends along fore-and-aft direction, and one block of side plate is installed
On a crosspiece.Side plate front and back position is adjustable to be fixed on correspondence crosspiece, and crosspiece right position is adjustable to be fixed on
In frame.Crosspiece is provided with the straight trough extended along fore-and-aft direction, and side plate is fixed by screws in the straight trough, and side plate may be selected
The fixed front and back position in straight trough, to adapt to different key lids.Frame is provided with the straight trough extended along left and right directions, frame
Front-end and back-end be equipped with straight trough, the front-end and back-end of crosspiece are fixed by screws in the straight trough, and crosspiece may be selected
Fixed right position in straight trough, to adapt to different key lids.
Pushing mechanism includes pushing motor, turbine and worm mechanism, pushing block, push arm.Push arm is fixed on the front end of pushing block, fixed
Pushing motor in frame drives pushing block anterior-posterior translation by worm-and-wheel gear, and pushing block drives push arm anterior-posterior translation, from
Preceding key lid is pushed into forward nature falling state in the rear side for the preceding key lid for digging position, now preceding key lid is buffered by buffer
Fall.The quantity of push arm is two, symmetrical to be fixed on pushing block；The head of push arm is provided with neonychium.Pushing mechanism is set
The preceding inductor and rear inductor of restricted push arm front and back position.The running of pushing mechanism is as follows：Pushing motor is rotated, and is pushed away
Block and push arm are translated forward, and key covers naturally to fall in the presence of buffer before promoting, and push arm stops in the presence of preceding inductor
Only move forward, pushing motor reversion, pushing block and push arm are translated backward, push arm is moved after stopping in the presence of rear inductor, promotes electricity
Machine is rotated forward again, so circulation, and simulation human hand repeats the action of key lid before closing.As long as preceding key lid is pushed into by pushing mechanism
Natural falling state, without being pushed into the lower state of lid completely.
Resetting-mechanism includes resetting motor, pinion and rack, wheel.Wheel free to rotate is fixed on rack-and-pinion
The end of the rack of mechanism, wheel uses rubber wheel, prevents key lid before scratch, and wheel is rotated with the change in location of preceding key lid.
The reset motor being fixed in frame drives wheel alternating translational between front lower place and back upper place by pinion and rack, will
Preceding key lid pushes back from the lower position of lid and digs position.Preceding inductor and rear sensing of the resetting-mechanism provided with limitation wheel translation position
Device.The running of resetting-mechanism is as follows：Reset motor to rotate, wheel forward downward resets, effect of the wheel in preceding inductor
It is lower to stop reach, motor reversal is resetted, wheel is moved rearwardly and upwardly, preceding key lid is pushed back from the lower position of lid and digs position, wheel
Moved after stopping in the presence of rear inductor, reset motor and rotate forward again, so circulation, simulation human hand repeats key lid before opening
Action.
The detection method of piano key cover buffer, using the detection means of piano key cover buffer, comprises the following steps：Choosing
The model of side plate and key lid is selected, buffer is installed between two blocks of side plates and key lid, a left side before and after adjustment key is covered in frame
Right position, with the actual installation scene of analogue buffer；Key before human hand thrust causes is simulated by pushing mechanism to cover in buffer
In the presence of can drop down onto the lower position of lid down naturally, key lid before key lid enables before lift on human hand simulated by resetting-mechanism returned to and turns over
Position is played, by pushing mechanism and the interoperation of resetting-mechanism, key lid before repeatedly opening and closing, so that the test condition of buffer connects
Nearly actual use situation.
When under each lid of preceding key lid, beat on the gravity sensor of front lower place, key is covered under buffer effect before sensing
Closing impact, meanwhile, key lid and gravity before inductor in place (the selecting photoelectric sensor) measurement immediately ahead of gravity sensor
Gap between inductor, in place whether key lid decline before judging.If all gone well, test process by continue to setting when
Between, or untill reaching the testing time of setting.If impulsive force is too big or preceding key lid is closed not in place, detection means stops fortune
OK, alarm lamp is bright, points out engineer's interventional procedure.
The mounting structure and buffer of assembling structure between preceding key lid and rear key lid, buffer and key lid and side plate
Mounting structure is prior art.
Above-described embodiment is the utility model preferably embodiment, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplification, should be equivalent substitute mode, are included within protection domain of the present utility model.
Claims (8)
1. the detection means of piano key cover buffer, it is characterised in that：Including key lid, side plate, frame, pushing mechanism, reset machine
Structure, in place gravity sensor, inductor；Key lid includes preceding key lid and rear key lid, and rear key lid is fixed in frame, and preceding key lid is around rear
Key is covered to be rotated between position under digging position and lid；Side plate for installing the buffer contacted with preceding key lid is fixed on frame
On；By preceding key lid from digging position and be pushed into the pushing mechanism of nature falling state, preceding key lid is pushed back from the lower position of lid and digs position
Dropped down onto when dropping down onto the lower position of lid before the resetting-mechanism put, sensing under key lid nature before the gravity sensor of pressure, sensing under key lid
Whether inductor in place in place is installed in frame during position under lid.
2. according to the detection means of the piano key cover buffer described in claim 1, it is characterised in that：Key lid is left by a pair afterwards
Right symmetrically arranged clamp is in frame；Alarm lamp is installed in frame.
3. according to the detection means of the piano key cover buffer described in claim 1, it is characterised in that：The left and right sides of key lid point
She You not side plate corresponding with the buffer of left and right two；Side plate includes the boarding and the installation metal positioned at outside positioned at inner side
In plate, buffer insertion boarding.
4. according to the detection means of the piano key cover buffer described in claim 1, it is characterised in that：Also include two in level
The crosspiece being parallel to each other on face, crosspiece extends along fore-and-aft direction, and one block of side plate is arranged on a crosspiece；Side plate front and back position
Adjustable is fixed on correspondence crosspiece, and crosspiece right position is adjustable to be fixed in frame.
5. according to the detection means of the piano key cover buffer described in claim 4, it is characterised in that：Crosspiece is provided with along preceding
Rear is to the straight trough of extension, and side plate is fixed by screws in the straight trough；Frame is provided with the straight trough extended along left and right directions,
Crosspiece is fixed by screws in the straight trough.
6. according to the detection means of the piano key cover buffer described in claim 1, it is characterised in that：Pushing mechanism includes promoting
Motor, turbine and worm mechanism, pushing block, push arm；Push arm is fixed on the front end of pushing block, and the pushing motor being fixed in frame passes through snail
Worm and gear mechanism drives pushing block anterior-posterior translation, and pushing block drives push arm translation, from the rear side in the preceding key lid for digging position by before
Key lid is pushed into forward nature falling state.
7. according to the detection means of the piano key cover buffer described in claim 6, it is characterised in that：The quantity of push arm is two
Root, it is symmetrical to be fixed on pushing block；The head of push arm is provided with neonychium；Pushing mechanism is provided with limitation push arm front and back position
Preceding inductor and rear inductor.
8. according to the detection means of the piano key cover buffer described in claim 1, it is characterised in that：Resetting-mechanism includes resetting
Motor, pinion and rack, wheel；Wheel free to rotate is fixed on the end of the rack of pinion and rack, is fixed on
Reset motor in frame drives wheel alternating translational between front lower place and back upper place by pinion and rack, by preceding key lid
Pushed back from the lower position of lid and dig position；Resetting-mechanism translates the preceding inductor and rear inductor of position provided with limitation wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327808.1U CN206353080U (en) | 2016-12-06 | 2016-12-06 | The detection means of piano key cover buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327808.1U CN206353080U (en) | 2016-12-06 | 2016-12-06 | The detection means of piano key cover buffer |
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| Publication Number | Publication Date |
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| CN206353080U true CN206353080U (en) | 2017-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621327808.1U Active CN206353080U (en) | 2016-12-06 | 2016-12-06 | The detection means of piano key cover buffer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706287A (en) * | 2016-12-06 | 2017-05-24 | 广州珠江钢琴集团股份有限公司 | Piano key cover buffer detection device and detection method |
-
2016
- 2016-12-06 CN CN201621327808.1U patent/CN206353080U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706287A (en) * | 2016-12-06 | 2017-05-24 | 广州珠江钢琴集团股份有限公司 | Piano key cover buffer detection device and detection method |
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