CN208335708U - A kind of piano cast iron plate is fixedly connected with screw - Google Patents
A kind of piano cast iron plate is fixedly connected with screw Download PDFInfo
- Publication number
- CN208335708U CN208335708U CN201820549612.XU CN201820549612U CN208335708U CN 208335708 U CN208335708 U CN 208335708U CN 201820549612 U CN201820549612 U CN 201820549612U CN 208335708 U CN208335708 U CN 208335708U
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- CN
- China
- Prior art keywords
- screw
- cast iron
- iron plate
- outer sleeve
- fixedly connected
- 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 piano cast iron plates to be fixedly connected with screw, including the first screw, second screw and the first screw of connection and the second screw connection, first screw includes threaded rod and smooth shaft, the threaded rod is fixed on qin frame through soundboard is adjusted, the connector is set to the top for adjusting soundboard, the connector includes outer sleeve and the Hexagonal jacket at the top of outer sleeve, it is welded by the connecting rod of welding and the surface of smooth shaft the inside of the outer sleeve, the inside of the outer sleeve and Hexagonal jacket is equipped with circular adjusting nut, the adjusting nut top outer is welded to connect by the inner surface of annular slab and Hexagonal jacket, second screw is spirally connected through piano cast iron plate with adjusting nut, cushion block is bolted on second screw.The attachment screw is easy for installation, good fixing effect, and support performance is stablized.
Description
Technical field
The utility model belongs to musical instrument technical field, and in particular to a kind of piano cast iron plate is fixedly connected with screw.
Background technique
In traditional technology, the cast iron plate connection type of piano be usually by with plain screw by cast iron plate and piano
Soundboard and frame directly lock together, the spacing between the cast iron plate and soundboard of piano be it is uncontrollable, this structure is unfavorable
In the pronunciation audio of adjustment piano.Even if some pianos have the specific attachment screw of setting to adjust piano in the design process
Spacing between cast iron plate and soundboard, but there is also certain limitations.
So in the prior art, in order to which the spacing between the cast iron plate and soundboard to piano is adjusted, Publication No.
A kind of piano cast iron plate of " CN205582452U " is fixedly connected with a kind of steel of screw and Publication No. " CN202632733U "
Qin cast iron plate is fixedly connected with screw, is fixedly connected with spiral shell for disclosed above number for a kind of piano cast iron plate of " CN202632733U "
Nail, is composed in series by two screws, and the screw cap end of first screw is equipped with internal screw thread, is passed through soundboard and is fixed on qin frame, the
Piano cast iron plate is affixed on soundboard by two screws, and second screw is adjustment screw, by second screw come
The distance of piano cast iron plate and soundboard is adjusted.This connection method is there is a possibility that piano needed to carry out audio adjustment in the later period
When adjusting cast iron plate and soundboard spacing, because the second screw thread coupling mechanism force is not enough unable to drive the first screwdriver and causes to cast
Iron plate and soundboard spacing adjust failure.Disclosed above number is fixedly connected for a kind of piano cast iron plate of " CN205582452U "
Screw passes through soundboard using screw body one end and is threadedly coupled with qin frame, the screw body other end across piano cast iron plate and
Nut is threadedly coupled, and piano cast iron plate is fixedly clamped above soundboard by cushion block and nut, is adjusted by rotating pad
Soundboard and piano cast iron plate spacing, this structural adjustment is easy for installation, can effectively fix piano cast iron plate, is convenient for later period piano
Audio adjustment.But spacing is had in qin frame due to screw after adjustment, cause screw integrated support performance bad.
For this purpose, it is proposed that a kind of adjustment and installation facilitates, supporting & stablizing performance is good and the piano cast iron plate of good fixing effect
It is above-mentioned for topic to solve to be fixedly connected with screw.
Utility model content
The purpose of this utility model is to provide a kind of piano cast iron plates to be fixedly connected with screw, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of piano cast iron plate is fixedly connected with screw,
Including the first screw, the second screw and the first screw of connection and the second screw connection, first screw includes threaded rod
And smooth shaft, the threaded rod are fixed on qin frame through soundboard is adjusted, the connector is set to the top for adjusting soundboard
Portion, the connector include outer sleeve and the Hexagonal jacket at the top of outer sleeve, and the inside of the outer sleeve passes through welding
The inside of the welding of the surface of connecting rod and smooth shaft, the outer sleeve and Hexagonal jacket is equipped with circular adjusting nut, the adjusting
It is welded to connect by the inner surface of annular slab and Hexagonal jacket on the outside of nut top, second screw is through piano cast iron plate
It is spirally connected with adjusting nut, is bolted with cushion block on second screw.
Preferably, the threaded rod and smooth shaft are integrally formed, and threaded rod is logical equipped with what is be connected to the inside of smooth shaft
Hole, the inside of the through-hole is equipped with spring, and the top of spring is equipped with top plate.
Preferably, the Hexagonal jacket at the top of the outer sleeve, which is integrally formed, constitutes T-socket, and the inner hole hole of Hexagonal jacket
Diameter is greater than the inner hole aperture of outer sleeve, and the inner hole aperture of outer sleeve is greater than the outer diameter of smooth shaft.
Preferably, the connecting rod annular is spaced substantially equidistant set on outer sleeve inner surface, and connecting rod is vertically equipped with four groups, every group
There are three if.
Preferably, the top surface of the adjusting nut and the top surface of annular slab with the top face flush of Hexagonal jacket,
The inner bolt hole to match with the second screw is equipped on the inside of the adjusting nut, and the top of the second screw is equipped with nut.
Preferably, the bottom of cushion block is adjacent at the top of three third screw rods that equal distance annular is spirally connected on the annular slab.
The technical effect of the utility model is with advantage: the piano cast iron plate is fixedly connected with screw, passes through the first screw rod, second
The design of screw rod and connector facilitates installation and adjustment to adjust the distance between soundboard and piano cast iron plate, the first screw rod inside
Supporting plate and spring be used to support the second screw after adjusting, backing plate designed for locking piano cast iron plate and the second screw,
Third screw rod 17 improves the stability of strutting system between the first screw and the second screw.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is connection schematic diagram when the utility model is used；
Fig. 3 is the structural schematic diagram of the utility model connector；
Fig. 4 is the attachment structure schematic diagram of the utility model connector and cushion block；
Fig. 5 is the structural schematic diagram of the first screw of the utility model.
In figure: 1 first screw, 2 second screws, 3 connectors, 4 threaded rods, 5 smooth shafts, 6 springs, 7 top plates, 8 outer sleeves,
9 Hexagonal jackets, 10 connecting rods, 11 adjust soundboards, 12 qin frames, 13 adjusting nuts, 14 annular slabs, 15 piano cast iron plates, 16 cushion blocks,
17 third screw rods, 18 nuts.
Specific embodiment
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
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of piano cast iron plate as shown in Figs. 1-5 and is fixedly connected with screw, including the first screw
1, the second screw 2 and connection the first screw 1 and 2 connector 3 of the second screw, first screw 1 include threaded rod 4 and smooth
Bar 5, the threaded rod 4 are fixed on qin frame 12 through soundboard 11 is adjusted, and the connector 3 is set to and adjusts soundboard 11
Top, the connector 3 include outer sleeve 8 and the Hexagonal jacket 9 set on 8 top of outer sleeve, and the inside of the outer sleeve 8 passes through
The connecting rod 10 of welding and the surface of smooth shaft 5 are welded, and the inside of the outer sleeve 8 and Hexagonal jacket 9 is equipped with circular adjusting spiral shell
Mother 13,13 top outer of adjusting nut are welded to connect by the inner surface of annular slab 14 and Hexagonal jacket 9, second spiral shell
Nail 2 is spirally connected through piano cast iron plate 15 and adjusting nut 13, is bolted with cushion block 16 on second screw 2.
Specifically, the threaded rod 4 and smooth shaft 5 are integrally formed, and threaded rod 4 is equipped with the inside of smooth shaft 5 and is connected to
Through-hole, the inside of the through-hole is equipped with spring 6, and the top of spring 6 is equipped with top plate 7, and top plate 7 is for adjusting the second screw 2
When support the bottom end of the second screw 2.
Specifically, the Hexagonal jacket 9 at 8 top of outer sleeve is integrally formed and constitutes T-socket, and Hexagonal jacket 9 is interior
Hole aperture is greater than the inner hole aperture of outer sleeve 8, and the inner hole aperture of outer sleeve 8 is greater than the outer diameter of smooth shaft 5.
Specifically, 10 annular of connecting rod is spaced substantially equidistant set on 8 inner surface of outer sleeve, and connecting rod 10 is vertically equipped with four
Group, every group set there are three, for by 8 fixing sleeve of outer sleeve be set to smooth shaft 5 outside.
Specifically, the adjusting nut 13 top surface and annular slab 14 top surface with the top face phase of Hexagonal jacket 9
Concordantly, the inner bolt hole to match with the second screw 2 is equipped on the inside of the adjusting nut 13, and the top of the second screw 2 is equipped with spiral shell
Cap 18.
Specifically, the top for three third screw rods 17 that equal distance annular is spirally connected on the annular slab 14 is adjacent to cushion block 16
Bottom, cushion block 16 are used to lock the bottom of piano cast iron plate 15.
The piano cast iron plate is fixedly connected with screw, in use, by the threaded rod 4 on the first screw 1 through adjust soundboard
11 are fixed on qin frame 12, and connector 3 is set to and adjusts 11 top of soundboard, cushion block 16 is sheathed on the second screw 2, will
Second screw 2 is spirally connected through piano cast iron plate 15 and adjusting nut 13, and the pad of rotating pad 16 is set to the bottom of piano cast iron plate 15
Portion finally rotates third screw rod 17 and holds out against cushion block 16.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it 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 is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, 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 piano cast iron plate is fixedly connected with screw, including the first screw of the first screw (1), the second screw (2) and connection
(1) and the second screw (2) connector (3), it is characterised in that: first screw (1) includes threaded rod (4) and smooth shaft (5),
The threaded rod (4) is fixed on qin frame (12) through soundboard (11) are adjusted, and the connector (3) is set to and adjusts soundboard
(11) top, the connector (3) includes outer sleeve (8) and the Hexagonal jacket (9) that is set at the top of outer sleeve (8), described outer
The inside of sleeve (8) is welded by the connecting rod (10) of welding and the surface of smooth shaft (5), the outer sleeve (8) and Hexagonal jacket
(9) inside is equipped with circular adjusting nut (13), and adjusting nut (13) top outer passes through annular slab (14) and hexagonal
The inner surface of sleeve (9) is welded to connect, and second screw (2) is through piano cast iron plate (15) and adjusting nut (13) spiral shell
It connects, is bolted with cushion block (16) on second screw (2).
2. a kind of piano cast iron plate according to claim 1 is fixedly connected with screw, it is characterised in that: the threaded rod (4)
It is integrally formed with smooth shaft (5), and threaded rod (4) is equipped with the through-hole being connected to, the inside of the through-hole with the inside of smooth shaft (5)
Equipped with spring (6), and the top of spring (6) is equipped with top plate (7).
3. a kind of piano cast iron plate according to claim 1 is fixedly connected with screw, it is characterised in that: the outer sleeve (8)
The Hexagonal jacket (9) at top, which is integrally formed, constitutes T-socket, and the inner hole aperture of Hexagonal jacket (9) is greater than the interior of outer sleeve (8)
Hole aperture, and the inner hole aperture of outer sleeve (8) is greater than the outer diameter of smooth shaft (5).
4. a kind of piano cast iron plate according to claim 1 is fixedly connected with screw, it is characterised in that: connecting rod (10) ring
Shape is spaced substantially equidistant set on outer sleeve (8) inner surface, and connecting rod (10) is vertically equipped with four groups, every group set there are three.
5. a kind of piano cast iron plate according to claim 1 is fixedly connected with screw, it is characterised in that: the adjusting nut
(13) top surface of top surface and annular slab (14) with the top face flush of Hexagonal jacket (9), the adjusting nut (13)
Inside is equipped with the inner bolt hole to match with the second screw (2), and the top of the second screw (2) is equipped with nut (18).
6. a kind of piano cast iron plate according to claim 1 is fixedly connected with screw, it is characterised in that: the annular slab (14)
The bottom of cushion block (16) is adjacent at the top of three third screw rods (17) that first-class distance annular is spirally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820549612.XU CN208335708U (en) | 2018-04-18 | 2018-04-18 | A kind of piano cast iron plate is fixedly connected with screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820549612.XU CN208335708U (en) | 2018-04-18 | 2018-04-18 | A kind of piano cast iron plate is fixedly connected with screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208335708U true CN208335708U (en) | 2019-01-04 |
Family
ID=64781447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820549612.XU Expired - Fee Related CN208335708U (en) | 2018-04-18 | 2018-04-18 | A kind of piano cast iron plate is fixedly connected with screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208335708U (en) |
-
2018
- 2018-04-18 CN CN201820549612.XU patent/CN208335708U/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: 20190104 Termination date: 20210418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |