CN111564146B - Portable scalable musical instrument frame of dulcimer - Google Patents

Abstract

The invention discloses a portable telescopic dulcimer frame which comprises a main frame body, telescopic legs, connecting shafts and rotating connecting pieces, wherein the main frame body is provided with two groups, the main frame body is connected with the telescopic legs through the connecting shafts, the two groups of main frame bodies are connected with each other through the rotating connecting pieces, the outline of the main frame body is of a rectangular frame-shaped structure, two groups of strip-shaped frame connecting strips are arranged on the main frame body, two groups of auxiliary frame shaft holes are formed in opening parts of the frame connecting strips, two groups of frame jacking holes are formed in frame connecting strips between the two groups of auxiliary frame shaft holes, one end, facing away from the frame connecting strips, of the main frame body is provided with two groups of main frame shaft holes, the connecting shafts are positioned in the two groups of main frame shaft holes, the telescopic legs comprise tubular jacking pipes, two ends of the jacking pipes are respectively provided with a group of rotating strips, one end, facing away from the inner strips, and the middle part of the inner strips is provided with hand screw holes. This portable scalable musical instrument frame of dulcimer, occupation space is little when accomodating, is fit for generally using widely.

Description

A portable retractable dulcimer stand

Technical field

The invention belongs to the technical field of dulcimer, and specifically relates to a portable retractable dulcimer stand.

Background technique

Yangqin, also known as dulcimer, daqin, copper string qin, fan qin, bat qin, butterfly qin, is a percussion instrument. The dulcimer is an indispensable instrument in the Chinese folk band. The dulcimer is a percussion instrument commonly used in China. It has extremely rich expressive power and can be played solo, in ensembles, or as accompaniment for music, rap, and opera. It often plays the role of "piano accompaniment" in folk instrumental ensembles and ethnic bands, and is an indispensable main instrument.

The existing dulcimer stand is usually a table-like structure made of wood or stainless steel. Although this structure has a good supporting effect, it occupies a large area and is heavy, making it inconvenient to carry.

Contents of the invention

The object of the present invention is to provide a portable retractable dulcimer stand to solve the problems raised in the above background technology.

In order to achieve the above object, the present invention provides the following technical solution: a portable retractable dulcimer stand, including a main frame body, telescopic feet, connecting shafts and rotating connectors. The main frame body is provided with two groups, and the main frame body is provided with two groups. The body is connected to the telescopic legs through a connecting shaft, and the two sets of main frame bodies are connected to each other through rotating connectors;

The outline of the main frame body is a rectangular frame structure. The main frame body is provided with two sets of strip-shaped frame connecting bars. There are two sets of auxiliary frame axis holes in the opening part of the frame connecting bars. There are two sets of frame threaded holes on the frame connecting strip between the set of auxiliary frame axle holes. Two sets of main frame axle holes are opened on one end of the main frame body facing away from the frame connecting strip. The connecting shaft is located on the two sets of main frames. Inside the shaft hole;

The telescopic feet include a tubular jacking tube. Both ends of the jacking tube are provided with a set of rotating bars. One end of the rotating bars facing away from the jacking tube is provided with an inner strip. There is a hand screw hole in the middle of the inner strip. , the inner strip is located inside the U-shaped foot, and the upper part of the U-shaped foot is provided with positioning holes distributed in a linear array.

Preferably, thumb screws are screwed inside the thumb screw hole, and the thumb screws on both sides of the thumb screw hole are located inside the positioning holes in the U-shaped feet.

Preferably, a connecting shaft is inserted inside the top tube, and both ends of the connecting shaft are located inside the main frame axis hole in the main frame body.

Preferably, the rotating connector includes a positioning shaft, a countersunk head screw, a hinge shaft, a hinge block and a side strip. Two sets of block shaft holes are provided inside the hinge block, and a block shaft hole is inserted into each of the two sets of block shaft holes. A set of hinge shafts, the two ends of the positioning shaft are located in the shaft hinge holes in the side strips, the shaft hinge holes are located at one end of the side strips facing the hinge block, and the side strips are provided with side axis holes and countersunk holes .

Preferably, a set of positioning shafts are inserted into each of the side shaft holes in the side strips. The remaining parts of the positioning shafts are located inside the sub-frame shaft holes. The countersunk screws pass through the countersunk holes of the side strips and enter the frame threaded holes. middle.

Preferably, the main frame body, telescopic legs, connecting shafts and rotating connectors are all made of aluminum alloy, and the surfaces of the main frame body, telescopic legs, connecting shafts and rotating connectors are all hardened.

As a further solution of the present invention, the part of the main frame body adjacent to the main frame axis hole is inclined, and the angle of inclination is thirty degrees.

Technical effects and advantages of the present invention: The telescopic legs of this portable dulcimer stand can be completely stored inside the main stand, and the two sets of main stands are stacked on each other through rotating connectors. Compared with the traditional stand, this structure is foldable It occupies less space, which is conducive to mobile operations in daily use, and the main frame, telescopic feet, connecting shafts and rotating connectors are all made of aluminum alloy, so there is no need to consider the problem of corrosion, and the weight is also lighter; positioning holes , the mutual cooperation of the thumb screw holes and the thumb screws determines the distance between the top tube and the U-shaped feet, so as to achieve the purpose of changing the length of the telescopic legs. The main frame can be adjusted to a suitable height according to the needs of the user, so as to meet the needs of the user. Used by various players or musicians with different heights and habits; the countersunk head screws complete the connection between the side bars and the main frame body, and the positioning axis determines the position of the side bars and the main frame body. Compared with using countersunk head screws for positioning, The solution of using positioning axis for positioning is more accurate.

Description of the drawings

Figure 1 is a schematic diagram of the storage structure of the present invention;

Figure 2 is a schematic structural diagram of the unfolded state of the present invention;

Figure 3 is a schematic structural diagram of the separation state of the present invention;

Figure 4 is a schematic structural diagram of the lower side of the main frame body of the present invention;

Figure 5 is a schematic structural diagram of the telescopic legs of the present invention in a separated state;

Figure 6 is a schematic structural diagram of the separated state of the rotating connector of the present invention.

In the picture: 1 main frame body, 101 main frame shaft hole, 102 auxiliary frame shaft hole, 103 frame connecting bar, 104 frame threaded hole, 2 telescopic feet, 201 rotating bar, 202 positioning hole, 203 U-shaped foot, 204 hand screw Screw hole, 205 inner strip, 206 jacking tube, 207 hand screw, 3 connecting shafts, 4 rotating connectors, 401 positioning shaft, 402 countersunk head screws, 403 hinged shaft, 404 hinged block, 405 shaft hole, 406 side strip , 407 side axis holes, 408 countersunk holes, 409 axis hinge holes.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

The invention provides a portable retractable dulcimer stand as shown in Figures 1-6, which includes a main frame body 1, telescopic legs 2, connecting shafts 3 and rotating connectors 4. The main frame body 1 is provided with two sets of , the main frame body 1 is connected to the telescopic feet 2 through the connecting shaft 3, and the two groups of the main frame body 1 are connected to each other through the rotating connector 4;

The outline of the main frame body 1 is a rectangular frame structure. The main frame body 1 is provided with two sets of strip-shaped frame connecting bars 103. Two sets of sub-frames are opened in the opening part of the frame connecting bars 103. Axis hole 102, two sets of rack threaded holes 104 are opened on the frame connecting bar 103 between the two sets of sub-frame axis holes 102, and two sets of main frame axis holes are opened on the end of the main frame body 1 facing away from the rack connecting bar 103. 101. The connecting shaft 3 is located inside the two sets of main frame axis holes 101. The main frame body 1 is used to support the long dulcimer, and the cross beams in the main frame body 1 can be used to support the dulcimer;

The telescopic foot 2 includes a tubular top tube 206. Both ends of the top tube 206 are provided with a set of rotating bars 201. One end of the rotating bars 201 facing away from the top tube 206 is provided with an inner bar 205. The inner bars There is a hand screw hole 204 in the middle of 205, and the inner strip 205 is located inside the U-shaped foot 203. The upper part of the U-shaped foot 203 is provided with positioning holes 202 distributed in a linear array, and the telescopic foot 2 fits On the inclined surface of the main frame 1, the positions of the two sets of main frame 1 and telescopic feet 2 are maintained by the action of gravity.

Specifically, thumb screws 207 are screwed inside the thumb screw hole 204. The thumb screws 207 on both sides of the thumb screw hole 204 are located inside the positioning holes 202 in the U-shaped feet 203. Choose different positioning holes 202. The distance between the top tube 206 and the U-shaped feet 203 is determined.

Specifically, a connecting shaft 3 is inserted inside the top tube 206. Both ends of the connecting shaft 3 are located inside the main frame axis hole 101 in the main frame body 1. The connecting shaft 3 completes the main frame body 1 and the telescopic feet. 2 hinges.

Specifically, the rotating connector 4 includes a positioning shaft 401, a countersunk screw 402, a hinge shaft 403, a hinge block 404 and a side strip 406. There are two sets of block shaft holes 405 inside the hinge block 404, and the two sets of A set of hinge shafts 403 are each inserted inside the block shaft holes 405. Both ends of the positioning shaft 401 are located in the shaft hinge holes 409 in the side bar 406. The shaft hinge holes 409 are located at one end of the side bar 406 facing the hinge block 404. , the side strips 406 are provided with side axis holes 407 and countersunk holes 408. When the side strips 406 are overlapped, their surfaces can fit together.

Specifically, a set of positioning shafts 401 are inserted inside the side axis holes 407 of the side strips 406. The remaining parts of the positioning shafts 401 are located inside the sub-frame axis holes 102. The countersunk screws 402 pass through the side strips. Countersinks 408 enter frame threaded holes 104 .

Specifically, the main frame body 1, telescopic feet 2, connecting shaft 3 and rotating connector 4 are all made of aluminum alloy, and the surfaces of the main frame body 1, telescopic feet 2, connecting shaft 3 and rotating connector 4 are all hardened. Processing, the purpose of using aluminum alloy materials is to reduce weight, and the purpose of hardening is to improve wear resistance, thereby increasing the overall service life.

Specifically, the part of the main frame body 1 adjacent to the main frame axis hole 101 is inclined, and the angle of inclination is 30 degrees. The telescopic feet 2 with the angle can be fixed by gravity pressure, avoiding the use of locking devices for fixation. Telescopic feet 2.

Specifically, when unfolding the portable telescopic dulcimer stand, first complete the unfolding of the two sets of main frame bodies 1 along the axis lines of the two sets of hinge axes 403. After unfolding, the telescopic legs 2 can be pulled from the inside of the main frame body 1. After pulling out the two sets of telescopic legs 2, the two sets of main frame 1 and telescopic legs 2 can be formed into a table shape, and then remove the thumb screws 207, and then pull out the U-shaped legs 203 as needed, and pull them to The required length and the pulled-out length need to correspond to the position of the positioning hole 202. The thumb screw 207 passes through the positioning hole 202 and is screwed into the thumb screw hole 204 to complete the fixation of the U-shaped foot 203, thus completing the determination of the length of the telescopic foot 2. After the positions of the two sets of telescopic legs 2 are determined, the dulcimer can be placed on the upper side of the two sets of main frames 1 lying horizontally, thereby completing the support of the dulcimer. When storing, first restore the length of the telescopic legs 2 to its original state. , the operation method refers to the method of extending the length of the telescopic feet 2. After retracting the telescopic feet 2 into the main frame 1, then stack the two sets of main frames 1 through the two sets of rotating connectors 4. After storage The two sets of main frame bodies 1 have a frame-like outline, and this structure occupies less space than the existing piano frame.

Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still The technical solutions described in the foregoing embodiments may be modified, or equivalent substitutions may be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in within the protection scope of the present invention.

Claims (4)

1. The utility model provides a portable scalable musical instrument frame of dulcimer, includes main frame body (1), flexible foot (2), connecting axle (3) and rotates connecting piece (4), its characterized in that: the main frame body (1) is provided with two groups, the main frame body (1) is connected with the telescopic legs (2) through the connecting shafts (3), and the two groups of main frame bodies (1) are connected with each other through the rotating connecting pieces (4); the main frame body (1), the telescopic legs (2), the connecting shafts (3) and the rotating connecting pieces (4) are all made of aluminum alloy materials, and the surfaces of the main frame body (1), the telescopic legs (2), the connecting shafts (3) and the rotating connecting pieces (4) are all subjected to hardening treatment;

the outline of the main frame body (1) is of a rectangular frame-shaped structure, two groups of strip-shaped frame connecting strips (103) are arranged on the main frame body (1), two groups of auxiliary frame shaft holes (102) are formed in the opening part of the frame connecting strips (103), two groups of frame threaded holes (104) are formed in the frame connecting strips (103) between the two groups of auxiliary frame shaft holes (102), two groups of main frame shaft holes (101) are formed in one end, facing away from the frame connecting strips (103), of the main frame body (1), and the connecting shaft (3) is positioned inside the two groups of main frame shaft holes (101); the main frame body (1) at the main frame shaft hole (101) is inclined at an angle of thirty degrees;

the telescopic leg (2) comprises a tubular jacking pipe (206), a group of rotating strips (201) are respectively arranged at two ends of the jacking pipe (206), an inner strip (205) is arranged at one end, opposite to the jacking pipe (206), of each rotating strip (201), a hand screwing screw hole (204) is formed in the middle of each inner strip (205), each inner strip (205) is located inside a -shaped leg (203), locating holes (202) distributed in a linear array are formed in portions, located below the connection shaft (3) and the telescopic leg (2), of each -shaped leg (203), hand screwing screws (207) are screwed in the hand screwing screw holes (204), and the hand screwing screws (207) at two sides of each hand screwing screw hole (204) are located inside the locating holes (202) in the -shaped legs (203).

2. The portable telescopic musical instrument frame of claim 1, wherein: the connecting shaft (3) is inserted into the jacking pipe (206), and two ends of the connecting shaft (3) are positioned in a main frame shaft hole (101) in the main frame body (1).

3. The portable telescopic musical instrument frame of claim 1, wherein: the rotary connecting piece (4) comprises a positioning shaft (401), countersunk head screws (402), a hinging shaft (403), hinging blocks (404) and strakes (406), two groups of block shaft holes (405) are formed in the hinging blocks (404), a group of hinging shafts (403) are respectively inserted into the block shaft holes (405), two ends of the positioning shaft (401) are located in shaft hinging holes (409) in the strakes (406), the shaft hinging holes (409) are located at one ends of the strakes (406) facing the hinging blocks (404), and strip side shaft holes (407) and strip counter bores (408) are formed in the strakes (406).

4. A portable telescopic musical instrument holder for dulcimer according to claim 3, wherein: a group of positioning shafts (401) are respectively inserted into the strip side shaft holes (407) in the side strips (406), the rest parts of the positioning shafts (401) are positioned in the subframe shaft holes (102), and countersunk head screws (402) penetrate through strip counter bores (408) to enter the frame threaded holes (104).