CN207993460U - A kind of slow drop device for piano keyhoard cover - Google Patents
A kind of slow drop device for piano keyhoard cover Download PDFInfo
- Publication number
- CN207993460U CN207993460U CN201820548526.7U CN201820548526U CN207993460U CN 207993460 U CN207993460 U CN 207993460U CN 201820548526 U CN201820548526 U CN 201820548526U CN 207993460 U CN207993460 U CN 207993460U
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- CN
- China
- Prior art keywords
- fixedly connected
- piano
- support bar
- pushing block
- cover board
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of slow drop device for piano keyhoard cover,Including piano ontology,The front of the piano ontology is connected with cover board by universal driving shaft,The bottom surface of the cover board is fixedly connected with fixed block,The fixed block is flexibly connected by first rotating shaft with first support bar,The bottom end of the first support bar is flexibly connected by the second shaft with second support bar,The second support bar runs through piano ontology and extends to the inside of piano ontology,The slow drop device for piano keyhoard cover,By the way that first support bar is arranged,Second support bar,Triangle pushing block,First electric telescopic rod,Second electric telescopic rod,Kelly and annulus,When so that cover board being started,Cover board is limited by the effect of kelly and annulus,Pass through triangle pushing block,First buffer spring and the second buffer spring make cover board when falling,Reduce its falling speed,Avoid the damage to piano itself,Or injure user's finger by a crashing object,The apparatus structure advantages of simple,It is easy to use.
Description
Technical field
The utility model belongs to piano protective device technical field, and in particular to a kind of slow drop device for piano keyhoard cover.
Background technology
Since the cover board volume of piano is larger and generally than heavier, piano cover plate rapid descent easily jams a finger or damages
Piano, especially for dangerous larger for the children for learning piano.Current existing slow-lowering device for piano generally uses hydraulic pressure work
Make principle, piano lid is made slowly to fall naturally, slow descending liquid compression bar is exposed to outside piano, influences aesthetics and the user of piano
Usage experience.And the installation of slow descending liquid compression bar is more inconvenient, cannot meet ideal application effect.
A kind of piano of piano lid ramp-down device, including backboard are disclosed according to publication number CN107301854A, backboard
Forward upper opens up first through hole, and the inside top surface of backboard is fixedly connected with one end of sunpender, and line is fixedly mounted in the other end of sunpender
Wheel, the lower end of backboard are fixedly connected with one end of panel, and panel and backboard are structure as a whole, panel and the articulated connection of backboard junction
The periphery of one end of cover board, line wheel is fixedly connected with one end of cotton rope, and the other end of cotton rope is fixedly connected with lid after first through hole
On front side of the top surface of plate, the top surface both sides of panel open up the second through-hole respectively, and the inner wall of each second through-hole is fixedly connected with guide sleeve
Periphery, the bottom surface both side of cover board opens up sliding slot, is mutually parallel between sliding slot respectively, installation sliding block respectively in sliding slot, sliding
Block can be slided along corresponding sliding slot, the upper end of the bottom surface articulated connection supporting rod of each sliding shoe.The present invention is using two sets of slow drops
Device can enhance the effect of slow drop security protection, and two sets of ramp-down device common motors, will not cause the waste of the energy, should
Although case can enhance the effect of slow drop protection, complicated, and the weight for increasing piano itself, and when lid
When plate falls, since cotton rope is exposed on the outside, beauty is influenced.
Utility model content
The purpose of this utility model is to provide a kind of slow drop device for piano keyhoard cover, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides the following technical solutions：A kind of slow drop device for piano keyhoard cover, including
The front of piano ontology, the piano ontology is connected with cover board by universal driving shaft, and the bottom surface of the cover board is fixedly connected
There are fixed block, the fixed block to be flexibly connected with first support bar by first rotating shaft, the bottom end of the first support bar passes through
Second shaft is flexibly connected with second support bar, and the second support bar is through piano ontology and extends to the interior of piano ontology
Portion, the bottom end of the second support bar and the inside for being located at piano ontology are fixedly connected with pulley, the basal sliding of the pulley
It is connected with triangle pushing block, the inside of the piano ontology and is fixedly connected with support plate, the branch below triangle pushing block
The upper surface of fagging and the sliding slot being used cooperatively with triangle pushing block is offered below the triangle pushing block, the triangle pushing block
Bottom is fixedly connected with sliding block, and the sliding block is in sliding slot internal slide, the inside of the sliding slot and positioned at the left side of triangle pushing block
It is fixedly connected with fixed link, the surface of the fixed link is cased with round slide plate, the upper surface of the circle slide plate and positioned at fixing
It has been fixedly connected with the first electric telescopic rod at left and right sides of bar, has been fixedly connected with connecting rod on the right side of the circle slide plate, institute
The one end for stating connecting rod is fixedly connected with kelly, and the left end of the sliding block is fixedly connected with the annulus being used cooperatively with kelly, institute
The right end for stating triangle pushing block is fixedly connected with the second electric telescopic rod, and second electric telescopic rod runs through piano ontology and extension
Outside to it.
Preferably, the end of the cover board offers limiting slot, and the inside of the limiting slot is fixedly connected with the first buffering
The top of spring, first buffer spring is fixedly connected with buffer board, and the surface of the buffer board is fixedly connected with rubber pad.
Preferably, the surface of the fixed link and it is fixedly connected with compressed spring below round slide plate.
Preferably, the inside of the sliding slot and it is fixedly connected with the second buffer spring positioned at the right end of sliding block.
Preferably, it is to be flexibly connected between the compressed spring and round slide plate.
Preferably, the quantity of the limiting slot, the first buffer spring and buffer board is three, and is located at cover board
Left and right ends and centre position.
The technique effect and advantage of the utility model：The slow drop device for piano keyhoard cover, by the way that first support bar, the is arranged
Two supporting rods, triangle pushing block, the first electric telescopic rod, the second electric telescopic rod, kelly and annulus so that when cover board is started,
Cover board is limited by the effect of kelly and annulus, is made by triangle pushing block, the first buffer spring and the second buffer spring
Cover board is obtained when falling, reduces its falling speed, avoids the damage to piano itself, or injure user's finger by a crashing object, the device
It is simple and reasonable, it is easy to use.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is structure enlargement diagram at the A of the utility model；
Fig. 3 is structure enlargement diagram at the B of the utility model.
In figure：1 piano ontology, 2 cover boards, 3 fixed blocks, 4 first rotating shafts, 5 first support bars, 6 second shafts, 7 second
Strut, 8 pulleys, 9 triangle pushing blocks, 10 support plates, 11 sliding slots, 12 sliding blocks, 13 fixed links, 14 round slide plates, 15 first electronic are stretched
Contracting bar, 16 connecting rods, 17 kellies, 18 annulus, 19 second electric telescopic rods, 20 limiting slots, 21 first buffer springs, 22 bufferings
Plate, 23 compressed springs, 24 second buffer springs.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model provides a kind of slow drop device for piano keyhoard cover as shown in Figs. 1-3, including piano ontology 1, institute
The front for stating piano ontology 1 is connected with cover board 2 by universal driving shaft, and the bottom surface of the cover board 2 is fixedly connected with fixed block
3, the fixed block 3 is flexibly connected by first rotating shaft 4 with first support bar 5, and the bottom end of the first support bar 5 passes through second
Shaft 6 is flexibly connected with second support bar 7, and the second support bar 7 is through piano ontology 1 and extends to the interior of piano ontology 1
Portion, the bottom end of the second support bar 7 and the inside for being located at piano ontology 1 are fixedly connected with pulley 8, the bottom of the pulley 8
It slidably connects triangle pushing block 9, the inside of the piano ontology 1 and is fixedly connected with support plate positioned at the lower section of triangle pushing block 9
10, the upper surface of the support plate 10 and offer the sliding slot being used cooperatively with triangle pushing block 9 positioned at the lower section of triangle pushing block 9
11, the bottom of the triangle pushing block 9 is fixedly connected with sliding block 12, and the sliding block 12 is in 11 internal slide of sliding slot, the sliding slot 11
Inside and be fixedly connected with fixed link 13 positioned at the left side of triangle pushing block 9, the surface of the fixed link 13 is cased with round slide plate
14, the upper surface of the circle slide plate 14 and it has been fixedly connected with the first electric telescopic rod positioned at the left and right sides of fixed link 13
15, the right side of the circle slide plate 14 is fixedly connected with connecting rod 16, and one end of the connecting rod 16 is fixedly connected with kelly 17,
The left end of the sliding block 12 is fixedly connected with the annulus 18 being used cooperatively with kelly 17, and the right end of the triangle pushing block 9, which is fixed, to be connected
It is connected to the second electric telescopic rod 19, second electric telescopic rod 19 is through piano ontology 1 and extends to outside it.
Specifically, the end of the cover board 2 offers limiting slot 20, the inside of the limiting slot 20 is fixedly connected with first
The top of buffer spring 21, first buffer spring 21 is fixedly connected with buffer board 22, and the surface of the buffer board 22 is fixed
It is connected with rubber pad, reduces the impact force to piano when cover board 2 falls, avoids damaging, increase its service life.
Specifically, the surface of the fixed link 13 and it is fixedly connected with compressed spring 23 positioned at the lower section of round slide plate 14,
Round slide plate 14 is supported, avoids falling on 11 inside of sliding slot under round slide plate 14 and is detached with annulus 18.
Specifically, the inside of the sliding slot 11 and being fixedly connected with the second buffer spring 24 positioned at the right end of sliding block 12, lead to
It crosses the second buffer spring 24 and reduces the speed that cover board 2 falls, avoid 2 falling speed of cover board too fast, damaging piano or injuring by a crashing object makes
User.
Specifically, being to be flexibly connected between the compressed spring 23 and round slide plate 14.
Specifically, the quantity of the limiting slot 20, the first buffer spring 21 and buffer board 22 is three, and it is located at
The left and right ends and centre position of cover board 2.
The slow drop device for piano keyhoard cover, when in use, by starting the second electric telescopic rod 19 so that triangle is pushed to push away
Block 9 slides to the left, so that first support bar 5 and second support bar 7 carry out movement, then starts cover board 2, then opens
Dynamic first electric telescopic rod 15 is so that push round slide plate 14 to fall, so that kelly 17 carries out cover board 2 with round fasten
Limit, at the end of use, the first electric telescopic rod 15 drives round slide plate 14 to move up so that and kelly 17 is detached with annulus 18,
Drive triangle pushing block 9 to move right by the second electric telescopic rod 19, by the first buffer spring 21 and the second buffer spring 24 into
Row buffering, so that reducing the speed that cover board 2 falls so that avoid 2 falling speed of cover board too fast, damage piano or injure by a crashing object
User's finger.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of slow drop device for piano keyhoard cover, including piano ontology (1), it is characterised in that：The piano ontology (1) just before
Side is connected with cover board (2) by universal driving shaft, and the bottom surface of the cover board (2) is fixedly connected with fixed block (3), the fixed block
(3) it is flexibly connected with first support bar (5) by first rotating shaft (4), the bottom end of the first support bar (5) passes through the second shaft
(6) it is flexibly connected with second support bar (7), the second support bar (7) is through piano ontology (1) and extends to piano ontology
(1) inside, the bottom end of the second support bar (7) and the inside for being located at piano ontology (1) are fixedly connected with pulley (8), institute
The basal sliding for stating pulley (8) is connected with triangle pushing block (9), the inside of the piano ontology (1) and positioned at triangle pushing block (9)
Lower section is fixedly connected with support plate (10), the upper surface of the support plate (10) and is offered below triangle pushing block (9)
The bottom of the sliding slot (11) being used cooperatively with triangle pushing block (9), the triangle pushing block (9) is fixedly connected with sliding block (12), described
Sliding block (12) is fixedly connected in sliding slot (11) internal slide, the inside of the sliding slot (11) and on the left of triangle pushing block (9)
Have a fixed link (13), the surface of the fixed link (13) is cased with round slide plate (14), the upper surface of the circle slide plate (14) and
The first electric telescopic rod (15), the right side of the circle slide plate (14) have been fixedly connected at left and right sides of fixed link (13)
It is fixedly connected with connecting rod (16), one end of the connecting rod (16) is fixedly connected with kelly (17), a left side for the sliding block (12)
End is fixedly connected with the annulus (18) being used cooperatively with kelly (17), and the right end of the triangle pushing block (9) is fixedly connected with second
Electric telescopic rod (19), second electric telescopic rod (19) is through piano ontology (1) and extends to outside it.
2. a kind of slow drop device for piano keyhoard cover according to claim 1, it is characterised in that：The end of the cover board (2)
Limiting slot (20) is offered, the inside of the limiting slot (20) is fixedly connected with the first buffer spring (21), first buffering
The top of spring (21) is fixedly connected with buffer board (22), and the surface of the buffer board (22) is fixedly connected with rubber pad.
3. a kind of slow drop device for piano keyhoard cover according to claim 1, it is characterised in that：The table of the fixed link (13)
Face and it is fixedly connected with compressed spring (23) below round slide plate (14).
4. a kind of slow drop device for piano keyhoard cover according to claim 1, it is characterised in that：The inside of the sliding slot (11)
And it is fixedly connected with the second buffer spring (24) positioned at the right end of sliding block (12).
5. a kind of slow drop device for piano keyhoard cover according to claim 3, it is characterised in that：The compressed spring (23) with
It is flexible connection between round slide plate (14).
6. a kind of slow drop device for piano keyhoard cover according to claim 2, it is characterised in that：The limiting slot (20),
The quantity of one buffer spring (21) and buffer board (22) is three, and is located at left and right ends and the interposition of cover board (2)
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820548526.7U CN207993460U (en) | 2018-04-18 | 2018-04-18 | A kind of slow drop device for piano keyhoard cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820548526.7U CN207993460U (en) | 2018-04-18 | 2018-04-18 | A kind of slow drop device for piano keyhoard cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207993460U true CN207993460U (en) | 2018-10-19 |
Family
ID=63830803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820548526.7U Expired - Fee Related CN207993460U (en) | 2018-04-18 | 2018-04-18 | A kind of slow drop device for piano keyhoard cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207993460U (en) |
-
2018
- 2018-04-18 CN CN201820548526.7U patent/CN207993460U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20210418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |