CN210667765U

CN210667765U - Hinge mechanism and keyboard instrument with same

Info

Publication number: CN210667765U
Application number: CN201921185918.2U
Authority: CN
Inventors: 傅杰明
Original assignee: DELI MUSICAL INSTRUMENT (ZHUHAI) CO LTD
Current assignee: DELI MUSICAL INSTRUMENT (ZHUHAI) CO LTD
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-02
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a hinge mechanism and have keyboard instrument of this hinge mechanism belongs to keyboard instrument and makes technical field. The hinge mechanism comprises a pair of hinge seats with the same structure; each hinge seat is provided with a groove, a mounting hole is formed in the position, close to the groove, of each hinge seat, and a connecting piece for mounting a hinge mechanism is arranged in each mounting hole; the two hinge seats are rotatably connected through a shaft part, so that the grooves in the two hinge seats are communicated to form a wire passing groove. The keyboard musical instrument comprises at least two keyboards and at least one hinge mechanism, wherein two hinge seats of the hinge mechanism are respectively and rotatably connected with the two keyboards through connecting pieces, so that the two keyboards can respectively rotate by taking the shaft piece and the connecting pieces as centers. This the hinge mechanism simple structure, appearance elegant appearance are convenient for walk the line, install on keyboard musical instrument, can make it realize three-dimensional rotation, and convenient storage carries, assembly easy operation.

Description

Hinge mechanism and keyboard instrument with same

Technical Field

The utility model relates to a keyboard musical instrument makes technical field, concretely relates to the hinge mechanism and have keyboard musical instrument of this hinge mechanism.

Background

At present, existing electronic keyboard instruments such as electric pianos and electronic organs are of integral structures and have the characteristics of large size, heavy weight and inconvenience for carrying, but the existing electronic keyboard instruments which are not mainstream hand-rolled are not vivid in hand feeling and sound effect although convenient to carry. The mainstream electronic organ in the keyboard instrument is usually a horizontal keyboard, which is not only clumsy and difficult to store and carry, but also occupies large space, and the electronic organ must be placed on a shelf or a table for playing, so that the use angle and the use requirements of various places cannot be met. In order to solve the problems, a keyboard musical instrument with two electronic organs spliced is available on the market at present, the two electronic organs are connected into one organ through a connecting mechanism for use, but the keyboard musical instrument cannot really realize three-dimensional rotation of the two electronic organs. Some keyboard musical instruments capable of being connected in a two-dimensional rotating mode are also available, but the wire passing is complex, the operation and assembly are difficult, the wire passing cannot be provided with a plug if the connecting mechanism is designed to be small and exquisite, and the connecting mechanism needs to be designed to be larger if the connecting mechanism is required to be provided with the plug, so that the production process is complex, the production efficiency is not improved, and the cost is saved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a hinge mechanism and have keyboard musical instrument of this hinge mechanism, this hinge mechanism simple structure, appearance elegant appearance are convenient for walk the line, install on keyboard musical instrument, can make it realize three-dimensional rotation, and convenient storage carries, assembly easy operation.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

a hinge mechanism includes a pair of hinge bases having the same structure; each hinge seat is provided with a groove, a mounting hole is formed in the position, close to the groove, of each hinge seat, and a connecting piece for mounting a hinge mechanism is arranged in each mounting hole; the two hinge seats are rotatably connected through a shaft part, so that the grooves in the two hinge seats are communicated to form a wire passing groove.

As a preferred embodiment of the present invention, a first hinge portion and a second hinge portion are respectively disposed on two sides of one end of the hinge base, and a first avoiding portion is disposed on one side of the second hinge portion away from the first hinge portion; the first hinge part of one hinge seat is rotatably connected with the second hinge part of the other hinge part through a shaft element.

As a preferred embodiment of the present invention, a clamping portion is disposed on one side of the second hinge portion close to the first hinge portion, and a second avoiding portion is formed between the clamping portion and the first hinge portion; when the hinge base is assembled, the clamping part of one hinge base is accommodated in the second avoiding part of the other hinge part, and a gap is reserved between the clamping part and the second avoiding part.

more preferably, the end surfaces of the first hinge part, the second hinge part and the engaging part close to the other hinge seat are all inclined end surfaces, an included angle α is formed between each inclined end surface and a horizontal plane, and the included angle α is 30-60 °.

As the preferred embodiment of the present invention, the hinge mechanism of the present invention further comprises a pair of hinge covers with the same structure, wherein the hinge covers are matched with the hinge base, and the hinge covers are respectively connected to the hinge base.

Further preferably, a clamping column is arranged on the hinge seat, a clamping hole is formed in the hinge cover, and the hinge cover is clamped with the hinge seat through the matching of the clamping hole and the clamping column.

As a preferred embodiment of the present invention, the mounting hole is disposed in a sunken manner with respect to the bottom wall of the groove.

In a preferred embodiment of the present invention, an end of the groove away from the engaging portion is recessed inward to form a notch portion.

The utility model also provides a keyboard musical instrument who has as above the hinge mechanism, it includes two at least keyboards and at least one as above the hinge mechanism, two hinge seats of hinge mechanism pass through respectively connecting piece and two keyboard rotatable coupling makes two the keyboard can respectively with the axle with the connecting piece rotates as the center.

As the preferred embodiment of the present invention, the keyboard musical instrument of the present invention further comprises a wire, one end of the wire is connected to one of the two wires, and the other end of the wire passes through the wire passing groove of the hinge mechanism and then is connected to the other wire passing groove of the hinge mechanism.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the hinge mechanism of the utility model has simple structure and beautiful and elegant appearance, is provided with the wire passing groove, is convenient for wire routing, is intuitive, is particularly suitable for the connection of rotatable electronic equipment, effectively avoids the damage of wires in the rotating process, is favorable for simplifying the assembly process, improves the production efficiency and reduces the production cost; meanwhile, due to the arrangement of the hinge cover, on one hand, the conducting wire is shielded, and the appearance is simple, attractive and elegant, and on the other hand, impurities such as dust, water vapor and the like can be effectively prevented from entering the hinge mechanism, so that the cleanness and the sanitation are kept.

The utility model discloses a keyboard musical instrument connects two at least keyboards through above-mentioned the hinge mechanism, make two keyboards can the connecting piece carry out 0 ~ 180 rotation for the center in keyboard place plane on the one hand, if can form the double keyboard musical instrument of a style of calligraphy horizontal row or the double keyboard musical instrument of the vertical row connection or V style of calligraphy, use in a flexible way, on the other hand makes two keyboards can the axle rotate to required angle for the center, in order to satisfy the user demand in different places, also can make two keyboards use the axle to carry out 180 folding in the plane of perpendicular to keyboard as the center, and convenient for accomodate and carry, be favorable to saving storage space. Can know by above analysis, the utility model discloses a keyboard musical instrument passes through the utility model discloses a two keyboards are connected to the hinge mechanism, can realize the three-dimensional rotation of keyboard musical instrument, convenient assembling, convenient to use. In addition, the direct wiring can be realized only by passing the wires between the two keyboards through the wire passing grooves, additional holes are not needed, the installation and connection are convenient, the production cost is favorably reduced, and meanwhile, the damage of the wires caused by the rotation of the hinge mechanism is effectively avoided; because the hinge cover is arranged on the hinge mechanism, the conducting wire can not be seen from the appearance of the keyboard, and the keyboard is beautiful and elegant.

To sum up, the utility model discloses a hinge mechanism and keyboard musical instrument are convenient for walk the line, have realized three-dimensional rotation, have effectively solved the keyboard musical instrument among the prior art and can not fine realize three-dimensional rotation and convenient storage carry the problem, and solve the two-dimentional technical problem of crossing line complicacy, assembly operation difficulty, low in production efficiency, with high costs in rotating the connection.

Drawings

Fig. 1 is a schematic view of the overall structure of the hinge mechanism of the present invention;

fig. 2 is an exploded view of the hinge mechanism of the present invention;

fig. 3 is a cross-sectional view of the hinge mechanism of the present invention;

fig. 4 is a schematic structural view of the hinge mechanism of the present invention with the hinge cover removed;

fig. 5 is a schematic structural view of the hinge base of the present invention;

fig. 6 is a sectional view of the hinge cover according to the present invention;

fig. 7 is a schematic structural view of a horizontal keyboard instrument according to the present invention;

FIG. 8 is an enlarged view of the portion A of FIG. 7 according to the present invention;

fig. 9 is a schematic structural view of a vertical double keyboard instrument according to the present invention;

fig. 10 is a schematic structural view of a V-shaped dual keyboard instrument according to the present invention;

fig. 11 is a schematic structural view of the linear horizontal keyboard instrument of the present invention folded around the shaft;

fig. 12 is a schematic structural view of the upright double keyboard instrument of the present invention folded by 180 ° around the shaft;

FIG. 13 is a schematic view of the structure of the upright dual keyboard musical instrument folded at-45 degrees around the shaft member;

the reference numbers illustrate: 1. a hinge mount; 11. a first hinge portion; 12. a second hinge portion; 13. a first avoidance portion; 14. a fastening part; 15. a second avoidance portion; 16. an inclined end surface; 17. a groove; 18. a wire passing groove; 19. clamping the column; 2. a hinge cover; 21. a clamping hole; 3. a shaft member; 4. a connecting member; 5. a keyboard; 6. and (4) conducting wires.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in FIGS. 1-3, for the hinge mechanism of the present invention, the hinge mechanism includes a pair of hinge bases 1 with the same structure, a pair of hinge covers 2 with the same structure, and a pair of shafts 3 for connecting the hinge bases 1.

specifically, as shown in fig. 5, a first hinge portion 11 and a second hinge portion 12 are respectively arranged on two sides of one end of each hinge base 1, a first avoiding portion 13 is arranged on one side of the second hinge portion 12 far away from the first hinge portion 11, and the first avoiding portion 13 is used for avoiding the first hinge portion 11 of the other hinge base 1 so that the first hinge portion 11 can rotate relative to the second hinge portion 12. when the hinge bases are assembled, the first hinge portion 11 of one hinge base is rotatably connected with the second hinge portion 12 of the other hinge base 1 through a shaft 3, so that the two hinge bases 1 can rotate around the shaft 3, and a gap is left between the first hinge portion 11 of one hinge base and the first avoiding portion 13 of the other hinge base 1 so as to facilitate installation of the cover 2. preferably, the shaft 3 is a pin or a pin, a clamping portion 14 is arranged on one side of the second hinge portion 12 close to the first hinge portion 11, a clamping portion 14 is formed between the first hinge portion 14 and the first hinge portion 11, a second hinge portion 15 is formed with a clamping portion 14 for clamping portion 14 of the other hinge base 1, and a clamping portion 14 is preferably, and a small clamping portion 14 is arranged between the hinge base 14, and a small end face of the other hinge base 12, so that the hinge base 14 and a small clamping portion 14 is connected with a small inclined end face of the other hinge base 12, and a small inclined angle α is formed between the hinge base 14, so as to avoid the hinge base 14, and a small clamping portion 14 is formed when the hinge base 14 is formed, and a small clamping portion 14 is formed, and a small angle α is formed to prevent the hinge base 14, and a small cover 14 is further included angle.

A groove 17 is sunken in the clamping part 14 of each hinge base 1, and the groove 17 extends along the length direction of the hinge base 1 and penetrates through the hinge base 1; the end part of the groove 17 far away from the clamping part 14 is inwards sunken to form a gap part, so that the wiring is convenient; preferably, the bottom wall of the groove 17 and the hinge base 1 are smoothly transited to avoid the crease of the conducting wire 6 caused by the clamping between the hinge cover 2 and the hinge base 1. During assembly, the two hinge bases 1 are rotationally connected through the shaft part 3, so that the grooves 17 on the two hinge bases 1 are communicated to form a wire passing groove 18 for the lead 6 to pass through; further, arc-shaped gaps are formed in the end faces, in contact with each other, of the clamping parts 14 of the two hinge bases 1, so that the wire 6 is prevented from being damaged due to the fact that the gap between the clamping parts 14 and the hinge cover 2 is too small when the wire passes through the wire. A mounting hole is arranged on the hinge seat 1 close to the groove 17, and a connecting piece 4 for mounting a hinge mechanism is arranged in the mounting hole; preferably, the connecting member 4 is a bolt and a nut. It is further preferred that the mounting holes are recessed with respect to the bottom wall of the recess 17 to avoid the connector 4 protruding from the bottom wall of the recess 17 to affect the routing.

More specifically, as shown in fig. 6, the hinge covers 2 are structured to be fitted to the hinge bases 1, and each hinge cover 2 is snap-fitted to one hinge base 1, respectively. Further preferably, a clamping column 19 is arranged at a position, close to the mounting hole, of the hinge base 1, a clamping hole 21 matched with the clamping column 19 is arranged on the hinge cover 2, and the hinge cover 2 is clamped with the hinge base 1 through the matching of the clamping hole 21 and the clamping column 19; of course, other joints between the hinge cover 2 and the hinge base 1 may be provided with a buckle and a detent for clamping, so as to enhance the connection strength between the hinge cover 2 and the hinge base 1.

The utility model also provides a keyboard musical instrument that has as above hinge mechanism, this keyboard musical instrument include two at least keyboards 5 and at least one as above the hinge mechanism, two hinge seat 1 of hinge mechanism are respectively through connecting piece 4 and two keyboard 5 rotatable coupling, make two keyboards 5 can use axle piece 3 and connecting piece 4 respectively as the center rotation. As shown in fig. 7-10, when two keyboards 5 use connecting piece 4 to rotate as the center, two keyboards 5 can carry out 0 ~ 180 rotation in keyboard 5 place plane, if can form the double keyboard musical instrument of a style of calligraphy horizontal row or the double keyboard musical instrument of the vertical row connection or the double keyboard musical instrument of V style of calligraphy, it is thus visible, the utility model discloses a two keyboards 5 are connected to the hinge mechanism for two keyboards 5 can rotate to required angle as the center by axle 3, and it is nimble to use, can effectively satisfy the user demand in different places. As shown in fig. 11 to 13, when the two keyboards 5 rotate around the shaft 3, the two keyboards 5 can be folded at 180 ° or-45 ° in a plane perpendicular to the keyboards 5, which is convenient for carrying and storage, and is beneficial to saving storage space, and the two double rows of keyboards 5 can be arranged in an inverted V shape, and is convenient for playing.

As shown in fig. 8, the keyboard instrument of the present invention further includes a wire 6, one end of the wire 6 is connected to one of the keyboards 5, and the other end of the wire 6 is connected to the other keyboard 5 after passing through the wire passing groove 18 of the hinge mechanism, so that the wire 6 is routed from the inside of the hinge mechanism, the wire 6 is not visible in appearance, no additional hole is needed, the installation, connection and maintenance are facilitated, the production cost is reduced, and meanwhile, the damage of the wire 6 caused by the rotation of the hinge mechanism is effectively avoided; because the hinge cover 2 is arranged on the hinge mechanism, the conducting wire 6 can not be seen from the appearance of the keyboard 5, and the appearance is beautiful and elegant.

From the above analysis, the hinge mechanism of the utility model has simple structure, beautiful and elegant appearance, is provided with the wire passing groove 18, is convenient for wire routing, is intuitive, is particularly suitable for the connection of rotatable electronic equipment, effectively avoids the damage of the wire 6 in the rotating process, is favorable for simplifying the assembly process, improves the production efficiency and reduces the production cost; meanwhile, the hinge cover 2 is arranged, so that the conducting wire 6 is shielded, the appearance is simple and attractive, and impurities such as dust, water vapor and the like can be effectively prevented from entering the hinge mechanism, and the cleanness and the sanitation are kept. The utility model discloses a keyboard musical instrument passes through the utility model discloses a two keyboards 5 are connected to the hinge mechanism, can realize the three-dimensional rotation of keyboard musical instrument, convenient assembling, convenient to use, the keyboard musical instrument of effectively having solved among the prior art can not finely realize three-dimensional rotation and conveniently accomodate the technical problem that the line was complicated, assembly operation difficulty, production efficiency are low, with high costs of crossing in the connection of carrying the problem and solving two-dimentional rotation. The utility model discloses a the hinge mechanism not only is applicable to among the keyboard musical instrument, also is applicable to in other structures that need carry out three-dimensional activity equally.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A hinge mechanism characterized by: comprises a pair of hinge bases with the same structure; each hinge seat is provided with a groove, a mounting hole is formed in the position, close to the groove, of each hinge seat, and a connecting piece for mounting a hinge mechanism is arranged in each mounting hole; the two hinge seats are rotatably connected through a shaft part, so that the grooves in the two hinge seats are communicated to form a wire passing groove.

2. A hinge mechanism according to claim 1, wherein: a first hinge part and a second hinge part are respectively arranged on two sides of one end of the hinge seat, and a first avoidance part is arranged on one side, far away from the first hinge part, of the second hinge part; the first hinge part of one hinge seat is rotatably connected with the second hinge part of the other hinge part through a shaft element.

3. A hinge mechanism according to claim 2, wherein: a clamping part is arranged on one side, close to the first hinged part, of the second hinged part, and a second avoidance part is formed between the clamping part and the first hinged part; when the hinge base is assembled, the clamping part of one hinge base is accommodated in the second avoiding part of the other hinge part, and a gap is reserved between the clamping part and the second avoiding part.

4. A hinge mechanism according to claim 3, wherein the first hinge part, the second hinge part and the engaging part are inclined end surfaces adjacent to the other hinge base, and an included angle α is formed between the inclined end surfaces and a horizontal plane and is 30-60 °.

5. A hinge mechanism according to any one of claims 1-3, wherein: the hinge assembly is characterized by further comprising a pair of hinge covers with the same structure, the hinge covers are matched with the hinge bases, and the two hinge covers are respectively clamped on one hinge base.

6. A hinge mechanism according to claim 5, wherein: the hinge base is provided with a clamping column, the hinge cover is provided with a clamping hole, and the hinge cover is clamped with the hinge base through the matching of the clamping hole and the clamping column.

7. A hinge mechanism according to any one of claims 1-3, wherein: the mounting hole is arranged in a sinking way relative to the bottom wall of the groove.

8. A hinge mechanism according to claim 3, wherein: the end part of the groove far away from the clamping part is inwards sunken to form a notch part.

9. A keyboard musical instrument having a hinge mechanism according to any one of claims 1 to 8, characterized in that: the hinge mechanism comprises at least two keyboards and at least one hinge mechanism according to any one of claims 1 to 8, wherein two hinge bases of the hinge mechanism are respectively and rotatably connected with the two keyboards through the connecting piece, so that the two keyboards can respectively rotate by taking the shaft piece and the connecting piece as centers.

10. The keyboard musical instrument according to claim 9, wherein: the keyboard is characterized by further comprising a conducting wire, wherein one end of the conducting wire is connected with one of the keyboards, and the other end of the conducting wire penetrates through the wire passing groove of the hinge mechanism and then is connected with the other keyboard.