CN218333097U

CN218333097U - Auxiliary elbow lifting device for violoncello exercise

Info

Publication number: CN218333097U
Application number: CN202222259342.8U
Authority: CN
Inventors: 胡忻然; 张吴湖; 赵剑
Original assignee: Rui'an Graduate School Of Wenzhou University; Wenzhou Experimental Middle School
Current assignee: Rui'an Graduate School Of Wenzhou University; Wenzhou Experimental Middle School
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-01-17
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a cello exercise auxiliary elbow lifting device, which comprises a cylindrical first connecting block (1) and a cylindrical second connecting block (2) with the same outer diameter, wherein the inner end of the first connecting block (1) is provided with a connecting cavity (3) communicated with the outside, the inner wall of the connecting cavity (3) is provided with an internal thread (4), the inner end of the second connecting block (2) is provided with a connecting column (5) matched with the connecting cavity (3), and the connecting column (5) is provided with an external thread (6) matched with the internal thread (4); the outer ends of the first connecting block (1) and the second connecting block (2) are respectively provided with a connecting belt (7), the end part of the connecting belt (7) at one side is provided with a telescopic buckle (8), and the end part of the connecting belt (7) at the other side is connected with the telescopic buckle (8); the utility model discloses can effectively promote exercise efficiency for the supplementary elbow of carrying of violoncello practitioner.

Description

Auxiliary elbow lifting device for violoncello exercise

Technical Field

The utility model relates to an auxiliary device field, in particular to supplementary elbow device of carrying of cello exercise.

Background

The cello is a western musical instrument, is an indispensable secondary mediant or bass stringed musical instrument in orchestras, and belongs to the lower mediant musical instruments in the violin family. The violoncello has rich and full tone color, has bright character, is good at playing melodies with lyric and expressing deep and complex feelings; along with the improvement of the standard of living of family, more and more people begin to practise cello and enrich the interest of oneself, in order to guarantee to play the pleasing to the eye of posture, require exerciser left side upper limbs elbow to keep lifting, the left hand can make the wrist relax naturally when pressing the string, and beginner is difficult to keep the elbow lifting posture in the exercise, and makes the wrist be in crooked tensile state for a long time, very big influence the performance effect, and probably injure wrist joint, how to design the device that helps exerciser's elbow lifting becomes the problem of waiting to solve urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a supplementary elbow device of carrying of cello exercise. The utility model discloses can assist for violoncello practitioner and carry the elbow, effectively promote exercise efficiency.

The technical scheme of the utility model: the auxiliary elbow lifting device for violoncello exercise comprises a cylindrical first connecting block and a cylindrical second connecting block which are consistent in outer diameter, a connecting cavity communicated with the outside is formed in the inner end of the first connecting block, internal threads are formed in the inner wall of the connecting cavity, a connecting column matched with the connecting cavity is formed in the inner end of the second connecting block, and external threads matched with the internal threads are formed in the connecting column; the outer ends of the first connecting block and the second connecting block are respectively provided with a connecting belt, the end part of the connecting belt on one side is provided with a telescopic buckle, and the end part of the connecting belt on the other side is connected with the telescopic buckle.

In the auxiliary elbow lifting device for violoncello exercise, the outer ends of the first connecting block and the second connecting block are respectively provided with a socket, a fixed cavity connected with the socket is arranged in the first connecting block and the second connecting block, and the inner diameter of the fixed cavity is larger than the width of the socket; the end part of the connecting belt is provided with an inserting block which is matched with the inserting opening, sliding grooves are formed in two sides of the inserting block, sliding blocks which are connected in a sliding mode are arranged in the sliding grooves, and a return spring is arranged between each sliding block and the inner groove surface of each sliding groove; the inner of slider is equipped with the fixture block that corresponds with fixed chamber, and the outer end of slider is equipped with the briquetting, and the distance between fixture block and the briquetting is greater than the degree of depth of socket.

Among the supplementary elbow device of carrying of aforementioned cello exercise, the inserted block tip of briquetting place side is equipped with the spread groove that agrees with mutually with the connecting band, is equipped with the connecting rod in the spread groove.

In the auxiliary elbow lifting device for violoncello exercise, the clamping block is in a right triangle shape, and an acute angle of the clamping block faces to the inner end of the sliding block.

In the auxiliary elbow lifting device for violoncello exercise, the connecting cavity is connected with the fixed cavity, and a hollow-out cavity connected with the fixed cavity is arranged in the connecting column.

In the auxiliary elbow lifting device for violoncello exercise, the outer side surfaces of the first connecting block and the second connecting block are provided with latex sleeves.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the inner end of the first connecting block is provided with a connecting cavity communicated with the outside, the inner wall of the connecting cavity is provided with an internal thread, the inner end of the second connecting block is provided with a connecting column matched with the connecting cavity, and the connecting column is provided with an external thread matched with the internal thread; the outer ends of the first connecting block and the second connecting block are respectively provided with a connecting belt, the end part of one connecting belt is provided with a telescopic buckle, and the end part of the other connecting belt is connected with the telescopic buckle; hang one side neck in practitioner with the connecting band, wind first connecting block and second connecting block to the armpit below of health opposite side, the external screw thread connection first connecting block and the second connecting block through the internal thread of connecting the chamber and spliced pole make it become a whole, promote one side upper limbs elbow formation lift effect to practitioner's one side upper limbs elbow through flexible buckle pulling one side connecting band messenger two connecting bands afterwards, the regulation is accomplished the whole pulling force that first connecting block and second connecting block formed and is relied on the connecting band, realize supplementary elbow lift, practicality and use convenience are good.

2. The outer ends of the first connecting block and the second connecting block of the utility model are both provided with a socket, a fixed cavity connected with the socket is arranged in the first connecting block and the second connecting block, and the inner diameter of the fixed cavity is larger than the width of the socket; the end part of the connecting belt is provided with an inserting block matched with the inserting port, sliding grooves are formed in two sides of the inserting block, sliding blocks in sliding connection are arranged in the sliding grooves, and a return spring is arranged between each sliding block and the inner groove surface of each sliding groove; a clamping block corresponding to the fixing cavity is arranged at the inner end of the sliding block, a pressing block is arranged at the outer end of the sliding block, and the distance between the clamping block and the pressing block is larger than the depth of the socket; press the briquetting, the briquetting promotes the slider and moves inwards, and then drive in the fixture block income spout, lose the fixture block and can follow the jack with the fixed chamber block back user and pull out, realize the connecting band and the separation that corresponds first connecting block or second connecting block, thereby be convenient for maintain and carry, the same thing during the installation, press the briquetting and insert the jack afterwards in making fixture block income spout, the briquetting is loosened after inserting, the slider receives reset spring's elasticity resilience make the fixture block pop out and with fixed chamber between form and block, realize fixedly, further promote the convenience of using.

3. The utility model discloses the lateral surface of first connecting block and second connecting block all is equipped with the emulsion cover, and the texture is soft, can promote the health travelling comfort when practitioner supports.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural diagram of the first connecting block of the present invention;

fig. 3 is a schematic structural diagram of a second connecting block of the present invention;

fig. 4 is a schematic structural diagram of the insert block of the present invention.

The labels in the figures are: 1-a first connection block; 2-a second connecting block; 3-connecting the cavity; 4-internal threads; 5-connecting the column; 6-external thread; 7-connecting the belt; 8, a telescopic buckle; 9-a socket; 10-a fixed cavity; 11-an insert block; 12-a chute; 13-a slide block; 14-a fixture block; 15-briquetting; 16-a hollow-out cavity; 17-latex sleeve; 18-a return spring; 19-connecting grooves; 20-connecting rod.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

The embodiment is as follows: the auxiliary elbow lifting device for violoncello exercise is shown in the attached drawing 1 and comprises a cylindrical first connecting block 1 and a cylindrical second connecting block 2 which are consistent in outer diameter, as shown in the attached drawing 2, a connecting cavity 3 communicated with the outside is formed in the inner end of the first connecting block 1, internal threads 4 are formed in the inner wall of the connecting cavity 3, as shown in the attached drawing 3, a connecting column 5 matched with the connecting cavity 3 is formed in the inner end of the second connecting block 2, and external threads 6 matched with the internal threads 4 are formed in the connecting column 5; the outer ends of the first connecting block 1 and the second connecting block 2 are both provided with a connecting band 7, the end of the connecting band 7 on one side is provided with a telescopic buckle 8, the end of the connecting band 7 on the other side is connected with the telescopic buckle 8, the telescopic buckle can be obtained commercially, and the connecting band is wound in the telescopic buckle to adjust the total length by pulling out or pulling in the length, which is a technical means known and mastered by those skilled in the art, and is not repeated herein; as shown in fig. 4, the outer ends of the first connecting block 1 and the second connecting block 2 are both provided with a socket 9, a fixing cavity 10 connected with the socket 9 is arranged in the first connecting block 1 and the second connecting block 2, and the inner diameter of the fixing cavity 10 is larger than the width of the socket 9; the end part of the connecting belt 7 is provided with an inserting block 11 matched with the inserting opening 9, sliding grooves 12 are formed in two sides of the inserting block 11, sliding blocks 13 in sliding connection are arranged in the sliding grooves 12, and a return spring 18 is arranged between the sliding blocks 13 and the inner groove surface of the sliding grooves 12; a clamping block 14 corresponding to the fixing cavity 10 is arranged at the inner end of the sliding block 13, a pressing block 15 is arranged at the outer end of the sliding block 13, the distance between the clamping block 14 and the pressing block 15 is larger than the depth of the socket 9, the depth of the sliding groove is larger than the sum of the widths of the clamping block and the sliding block, and the clamping block can be completely embedded into the sliding groove; the end part of the insertion block 11 at the side of the pressing block 15 is provided with a connecting groove 19 matched with the connecting belt 7, a connecting rod 20 is arranged in the connecting groove 19, the connecting belt is wound on the connecting rod and is sewn to realize connection, the clamping block 14 is in a right-angled triangle shape, the acute angle of the clamping block faces the inner end of the sliding block 13, the clamping block can be automatically pushed into by means of extrusion of the inclined surface and the inserting opening of the clamping block during insertion, and the right-angled edge of the clamping block is used for forming blocking; the connecting cavity 3 is connected with the fixed cavity 10, a hollow-out cavity 16 connected with the fixed cavity 10 is arranged in the connecting column 5, and internal cavities of the first connecting block and the second connecting block are increased, so that the self weight is reduced, and the wearing burden is reduced; the outer side surfaces of the first connecting block 1 and the second connecting block 2 are provided with latex sleeves 17.

The working principle is as follows: hang one side neck in practitioner with the connecting band, wind first connecting block and second connecting block to the armpit below of health opposite side, the external screw thread connection first connecting block and the second connecting block through the internal thread of connecting the chamber and spliced pole make it become a whole, promote one side upper limbs elbow formation lift effect to practitioner's one side upper limbs elbow through flexible buckle pulling one side connecting band messenger two connecting bands afterwards, the regulation is accomplished the whole pulling force that first connecting block and second connecting block formed and is relied on the connecting band, realize supplementary elbow lift, practicality and use convenience are good.

Claims

1. Supplementary elbow device of carrying of cello exercise, its characterized in that: the connecting device comprises a cylindrical first connecting block (1) and a cylindrical second connecting block (2) which have the same outer diameter, wherein a connecting cavity (3) communicated with the outside is formed in the inner end of the first connecting block (1), internal threads (4) are formed in the inner wall of the connecting cavity (3), a connecting column (5) matched with the connecting cavity (3) is formed in the inner end of the second connecting block (2), and external threads (6) matched with the internal threads (4) are formed in the connecting column (5); the outer ends of the first connecting block (1) and the second connecting block (2) are respectively provided with a connecting belt (7), the end part of one side connecting belt (7) is provided with a telescopic buckle (8), and the end part of the other side connecting belt (7) is connected with the telescopic buckle (8).

2. The violoncello exercise auxiliary elbow rest device of claim 1, wherein: the outer ends of the first connecting block (1) and the second connecting block (2) are respectively provided with a socket (9), a fixing cavity (10) connected with the socket (9) is arranged in the first connecting block (1) and the second connecting block (2), and the inner diameter of the fixing cavity (10) is larger than the width of the socket (9); the end part of the connecting belt (7) is provided with an inserting block (11) matched with the inserting hole (9), sliding grooves (12) are formed in two sides of the inserting block (11), sliding blocks (13) in sliding connection are arranged in the sliding grooves (12), and a return spring (18) is arranged between the sliding blocks (13) and the inner groove surface of the sliding grooves (12); the inner end of the sliding block (13) is provided with a clamping block (14) corresponding to the fixed cavity (10), the outer end of the sliding block (13) is provided with a pressing block (15), and the distance between the clamping block (14) and the pressing block (15) is larger than the depth of the socket (9).

3. The violoncello exercise assisting elbow rest device according to claim 2, characterized in that: the end part of the insert block (11) at the side of the pressing block (15) is provided with a connecting groove (19) matched with the connecting belt (7), and a connecting rod (20) is arranged in the connecting groove (19).

4. The violoncello exercise auxiliary elbow rest device of claim 2, wherein: the clamping block (14) is in a right-angled triangle shape, and the acute angle of the clamping block faces the inner end of the sliding block (13).

5. The violoncello exercise auxiliary elbow rest device of claim 2, wherein: the connecting cavity (3) is connected with the fixed cavity (10), and a hollow-out cavity (16) connected with the fixed cavity (10) is arranged in the connecting column (5).

6. The violoncello exercise auxiliary elbow rest device of claim 1, wherein: the outer side surfaces of the first connecting block (1) and the second connecting block (2) are provided with latex sleeves (17).