CN203026107U

CN203026107U - Keyboard frame of composite structure

Info

Publication number: CN203026107U
Application number: CN 201320017040
Authority: CN
Inventors: 陈海伦
Original assignee: HAILUN PIANO CO Ltd
Current assignee: HAILUN PIANO CO Ltd
Priority date: 2013-01-11
Filing date: 2013-01-11
Publication date: 2013-06-26
Anticipated expiration: 2023-01-11

Abstract

The utility model discloses a keyboard frame of a composite structure. The keyboard frame comprises a middle range, a front range and connecting pieces, wherein the middle range is connected with the front range through the connecting pieces, the middle rang comprises a middle range main body and a hard middle rang shell the upper surface of which is opened, and the middle range main body matched with the inner surface structure of the middle range shell is inlaid in the hard middle range shell; and the front range comprises a front range main body and a hard front range shell the upper surface of which is opened, and the front range main body matched with the inner surface structure of the front range shell is inlaid in the hard front range shell. The keyboard frame provided by the utility model has the advantages that the defect that keyboard frame in the prior art is easy to transform is overcome, the structure is reasonable, the cost is low, the practicability is strong, and the market prospect is better.

Description

A kind of composite structure keyboard frame

Technical field

The utility model belongs to piano key plate rail technical field, particularly relates to a kind of composite structure keyboard frame.

Background technology

Along with people's living standard improve constantly, piano has been come into huge numbers of families.Keyboard frame is the indispensable ingredient of piano, plays vital effect for the realization of piano playing function.

Keyboard frame of the prior art is made by wood materials, through easily distortion after using for a long time, can have influence on the sense of touch of piano due to wood materials, and serious even can affect normally playing of player.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of composite structure keyboard frame, can solve keyboard frame of the prior art and hold yielding defective.

The technical scheme that its technical matters that solves the utility model adopts is: a kind of composite structure keyboard frame is provided, comprise middle-grade, front shelves, web member, be connected by web member between described middle-grade and front grade, the described middle-grade middle-grade shell of hard that comprises middle-grade main body and upper surface open is inlayed the middle-grade main body that matches with its inner surface structure in the middle-grade shell of described hard; Described front shelves comprise the front shelves of the hard shell of front shelves main body and upper surface open, inlay the front shelves main body that matches with its inner surface structure before described hard in the shelves shell.

Described web member adopts wood materials to make.

Adopt the mode of joggle to be connected by web member between described middle-grade and front grade.

Before the middle-grade shell of described hard, hard, the shelves shell all adopts light material to make.

Before the middle-grade shell of described hard, hard, the shelves shell all adopts aluminium alloy extrusions to make.

Described middle-grade main body, front shelves main body are multilayer board.

Beneficial effect

The utility model has overcome in prior art keyboard frame and has held yielding defective, rational in infrastructure, cost is low, practical, good market prospect.

Description of drawings

Fig. 1 is the utility model one-piece construction schematic diagram;

Fig. 2 is that the utility model uses view;

Fig. 3 is the middle-grade part-structure schematic diagram of the utility model;

Fig. 4 is the utility model front crotch separation structure schematic diagram;

1. shelves shell 7. web member 8. key 9. mid-games before 4. front grades of main bodys of middle-grade 2. front shelves 3. middle-grade main bodys, 5. middle-grade shell 6. hard of hard

Embodiment

Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used for explanation the utility model and be not used in restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.

As Fig. 1～shown in Figure 4, the utility model comprises middle-grade 1, front shelves 2, web member 7, described middle-grade 1 with front shelves 2 between be connected by web member 7, described middle-grade 1 comprises the middle-grade shell 5 of hard of middle-grade main body 3 and upper surface open, inlays the middle-grade main body 3 that matches with its inner surface structure in the middle-grade shell 5 of described hard; Described front shelves 2 comprise the front shelves of the hard shell 6 of front shelves main body 4 and upper surface open, inlay the front shelves main body 4 that matches with its inner surface structure before described hard in shelves shell 6.

Described web member 7 adopts wood materials to make.

Described middle-grade 1 with front shelves 2 between adopt the mode of joggles to be connected by web member 7.

Before the middle-grade shell 5 of described hard, hard, shelves shell 6 all adopts light material to make.

Before the middle-grade shell 5 of described hard, hard, shelves shell 6 all adopts aluminium alloy extrusions to make.

Described middle-grade main body 3, front shelves main body 4 are multilayer board.

The utility model is the shell that middle-grade 1 and the front shelves 2 of piano key plate rail are provided with hard, and inlaying in the enclosure (or filling) has multilayer board, and the wooden keyboard frame in has compared to existing technology solved the yielding defective of woodwork.

As shown in Figure 4, under the utility model use state, keyboard frame is arranged on mid-game 9 upper surfaces, sets up key 8 above keyboard frame.

Claims

1. composite structure keyboard frame, comprise middle-grade (1), front shelves (2), web member (7), be connected by web member (7) between described middle-grade (1) and front shelves (2), it is characterized in that: described middle-grade (1) comprises the middle-grade shell of hard (5) of middle-grade main body (3) and upper surface open, inlays the middle-grade main body (3) that matches with its inner surface structure in the middle-grade shell of described hard (5); Described front shelves (2) comprise the front shelves of the hard shell (6) of front shelves main body (4) and upper surface open, inlay the front shelves main body (4) that matches with its inner surface structure before described hard in shelves shells (6).

2. a kind of composite structure keyboard frame as claimed in claim 1 is characterized in that: described web member (7) adopts wood materials to make.

3. a kind of composite structure keyboard frame as claimed in claim 1 is characterized in that: the mode by web member (7) employing joggle between described middle-grade (1) and front shelves (2) is connected.

4. a kind of composite structure keyboard frame as claimed in claim 1 is characterized in that: before the middle-grade shell of described hard (5), hard, shelves shells (6) all adopt light material to make.

5. a kind of composite structure keyboard frame as claimed in claim 4 is characterized in that: before the middle-grade shell of described hard (5), hard, shelves shells (6) all adopt aluminium alloy extrusions to make.

6. a kind of composite structure keyboard frame as claimed in claim 1 is characterized in that: described middle-grade main body (3), front shelves main bodys (4) are multilayer board.