CN211479646U

CN211479646U - Lifting cello tail needle support

Info

Publication number: CN211479646U
Application number: CN201921693248.5U
Authority: CN
Inventors: 邵小佳
Original assignee: Taixing Letai Musical Instrument Co ltd
Current assignee: Taixing Letai Musical Instrument Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-09-11
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a cello tail needle support that can go up and down, the on-line screen storage device comprises a base, the top middle part of base is provided with the atmospheric pressure stick, the inner chamber bottom of atmospheric pressure stick is provided with piston rod's one end, piston rod's the other end is provided with the cylinder to extend into the cylinder, piston rod's the other end is provided with the piston, the inner chamber of cylinder is provided with the switch and ties, the top of switch tie is provided with the one end that the guide arm was tied to the switch, the other end that the guide arm was tied to the switch extends the top of cylinder, the other end circumference surface that the guide arm was tied to the switch is provided with the regulation pole, the adapter sleeve has been cup jointed on. According to the lifting cello tail needle support, the support can be lifted by continuously stepping on the pedal plate by feet; the pedal is stepped on, the support is pressed downwards to enable the support to descend, the lifting is convenient, a player is not hindered from playing, the operation can be completed by feet, and the practicability is high.

Description

Lifting cello tail needle support

Technical Field

The utility model relates to a cello tail needle support technical field specifically is a cello tail needle support that can go up and down.

Background

The viola is a western musical instrument, is a secondary mediant or bass stringed musical instrument indispensable in orchestras, belongs to a lower mediant musical instrument in violin musical instruments, has rich tone quality, has a bright character, excels in playing melodies expressing deep and complex feelings, and also plays a harmony with a bass violin to form a bass sound part; when the violin is played, the tail needle of the violin needs to be placed on the ground to serve as a support, damage to the tail needle is aggravated in the long term, and the tail needle supports are fixed in height and cannot be adjusted, so that the violin is not suitable for different players one by one, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cello tail needle support that can go up and down to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lifting cello tail needle support comprises a base, wherein a pneumatic rod is arranged in the middle of the top end of the base, one end of a piston connecting rod is arranged at the bottom of the inner cavity of the pneumatic rod, a cylinder is arranged at the other end of the piston connecting rod and extends into the cylinder, a piston is arranged at the other end of the piston connecting rod, a switch bolt is arranged in the inner cavity of the cylinder, one end of a switch bolt guide rod is arranged at the top end of the switch bolt, the other end of the switch bolt guide rod extends out of the top end of the cylinder, an adjusting rod is arranged on the circumferential surface of the other end of the switch bolt guide rod, a connecting sleeve is sleeved on the outer wall surface of the cylinder, a connecting block is arranged on the circumferential surface of the connecting sleeve, a telescopic cylinder is arranged in the inner cavity of the connecting block, a supporting seat is arranged, the round hole has been seted up at the internal surface middle part of U type piece, the inner chamber right-hand member bottom of base is provided with the cylinder, the middle part of spliced pole is articulated on cylindrical top, the right-hand member of spliced pole is provided with the running-board, the left end top of spliced pole is provided with the switch contact, the inner chamber right-hand member top of base is provided with the switch contact, the left end bottom of spliced pole is provided with the one end of spring, the other end setting of spring is in the inner chamber bottom of base, telescopic cylinder and switch contact electric connection.

Preferably, the bottom of the piston connecting rod is provided with a bearing support.

Preferably, the bottom of the cylinder is provided with a rubber cushion.

Preferably, the output end of the telescopic cylinder is positioned at the lower part of the outer end of the adjusting rod.

Preferably, the U-shaped block is rotatably connected with the top block.

Preferably, the switch contact and the switch contact are located on the same vertical line.

Compared with the prior art, the beneficial effects of the utility model are that: according to the lifting cello tail needle support, a cello tail needle is placed in a round hole, a cello is placed on a U-shaped block, and a foot pedal is continuously stepped on by feet to lift the support; the pedal is stepped on, the support is pressed downwards to enable the support to descend, the lifting is convenient, a player is not hindered from playing, the operation can be completed by feet, and the practicability is high.

Drawings

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

FIG. 2 is a cut-away view of the air pressure rod of the present invention;

FIG. 3 is a schematic view of the structure of the top of the cylinder of the present invention;

fig. 4 is a cutaway view of the base of the present invention.

In the figure: 1. the device comprises a base, 2, a pneumatic rod, 3, a bearing support, 4, a piston connecting rod, 5, a rubber cushion, 6, a cylinder, 7, a piston, 8, a switch bolt, 9, a switch bolt guide rod, 10, a support seat, 11, an adjusting rod, 12, a connecting sleeve, 13, a connecting block, 14, a telescopic cylinder, 15, a top block, 16, a U-shaped block, 17, a round hole, 18, a cylinder, 19, a connecting column, 20, a pedal, 21, a switch contact, 22, a switch contact, 23 and a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a lifting cello tail needle support comprises a base 1, a pneumatic rod 2 is arranged in the middle of the top end of the base 1, one end of a piston connecting rod 4 is arranged at the bottom of an inner cavity of the pneumatic rod 2, a cylinder 6 is arranged at the other end of the piston connecting rod 4 and extends into the cylinder 6, a piston 7 is arranged at the other end of the piston connecting rod 4, a switch bolt 8 is arranged in the inner cavity of the cylinder 6, one end of a switch bolt guide rod 9 is arranged at the top end of the switch bolt 8, the other end of the switch bolt guide rod 9 extends out of the top end of the cylinder 6, an adjusting rod 11 is arranged on the circumferential surface of the other end of the switch bolt guide rod 9, a connecting sleeve 12 is sleeved on the outer wall surface of the cylinder 6, a telescopic cylinder 14 is installed through the connecting sleeve 12, a connecting block 13 is arranged on the circumferential surface of the connecting sleeve 12, a, the inside U type piece 16 that is provided with of kicking block 15, through U type piece 16, support the bottom of cello, round hole 17 has been seted up at the internal surface middle part of U type piece 16, the inner chamber right-hand member bottom of base 1 is provided with cylinder 18, the top of cylinder 18 articulates there is the middle part of spliced pole 19, the right-hand member of spliced pole 19 is provided with running-board 20, the left end top of spliced pole 19 is provided with switch contact 21, the inner chamber right-hand member top of base 1 is provided with switch contact 22, the left end bottom of spliced pole 19 is provided with the one end of spring 23, the other end setting of spring 23 is in the inner chamber bottom of base 1, through setting up spring 23, can make behind the pine foot, running-board 20 playback, telescopic cylinder 14.

Preferably, a bearing support 3 is further provided at the bottom of the piston rod 4, and the piston rod 4 is protected by the bearing support 3.

Preferably, a rubber cushion 5 is provided at the bottom of the cylinder 6 to protect the cylinder 6 by providing the rubber cushion 5.

Preferably, the output end of the telescopic cylinder 14 is located at the lower part of the outer end of the adjusting rod 11, and the telescopic cylinder 14 can be matched with the adjusting rod 11 to work.

Preferably, the U-shaped block 16 is rotatably connected to the top block 15, whereby the player can easily change the direction of the cello.

Preferably, the switch contact 21 and the switch contact 22 are located on the same vertical line, so that the switch contact 21 can touch the switch contact 22.

The following components are provided according to the scheme:

the telescopic cylinder 14: the model is CGIBN20-120 telescopic cylinder, and the lifting of the support can be controlled by the telescopic cylinder 14.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

Insert the cello tail needle in the round hole 17, when needing the adjustment support height, with foot control running-board 20: when the foot pedal 20 is stepped on by feet, the switch contact 21 is contacted with the switch contact 22, the extension of the telescopic cylinder 14 is controlled, the adjusting rod 11 is extruded, the switch bolt 8 is moved, because the through hole is arranged in the piston 7, the gas pressure at two ends of the piston 7 is equal, the sectional areas at two sides of the piston 7 are different, one end is connected with the piston connecting rod 4, the other end is not connected, under the action of the gas pressure, the pressure towards one side with a small sectional area, namely the elastic force of the gas pressure rod 2 is generated, the downward pressure is applied to the ejector block 15, the support is lowered, the support slowly rises to the highest point without applying force.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cello tail needle support that can go up and down, includes base (1), its characterized in that: the air pressure rod (2) is arranged in the middle of the top end of the base (1), one end of a piston connecting rod (4) is arranged at the bottom of an inner cavity of the air pressure rod (2), a cylinder (6) is arranged at the other end of the piston connecting rod (4) and extends into the cylinder (6), a piston (7) is arranged at the other end of the piston connecting rod (4), a switch bolt (8) is arranged in the inner cavity of the cylinder (6), one end of a switch bolt guide rod (9) is arranged at the top end of the switch bolt (8), the other end of the switch bolt guide rod (9) extends out of the top end of the cylinder (6), an adjusting rod (11) is arranged on the circumferential surface of the other end of the switch bolt guide rod (9), a connecting sleeve (12) is sleeved on the outer wall surface of the cylinder (6), a connecting block (13) is arranged on the circumferential surface of the connecting, a supporting seat (10) is arranged on the circumference of the top end of the cylinder (6), a top block (15) is arranged on the top end of the supporting seat (10), a U-shaped block (16) is arranged in the top block (15), a round hole (17) is formed in the middle of the inner surface of the U-shaped block (16), a cylinder (18) is arranged at the bottom of the right end of the inner cavity of the base (1), the top end of the cylinder (18) is hinged with the middle part of a connecting column (19), a foot pedal (20) is arranged at the right end of the connecting column (19), a switch contact (21) is arranged at the top of the left end of the connecting column (19), a switch contact (22) is arranged at the top of the right end of the inner cavity of the base (1), one end of a spring (23) is arranged at the bottom of the left end of the connecting column (19), the other end of the spring (23) is arranged at the bottom of the inner cavity of the base (1), and the telescopic cylinder (14) is electrically connected with the switch contact (22).

2. The liftable cello tail needle support according to claim 1, characterized in that: and a bearing support (3) is arranged at the bottom of the piston connecting rod (4).

3. The liftable cello tail needle support according to claim 1, characterized in that: the bottom of the cylinder (6) is provided with a rubber buffer (5).

4. The liftable cello tail needle support according to claim 1, characterized in that: the output end of the telescopic cylinder (14) is positioned at the lower part of the outer end of the adjusting rod (11).

5. The liftable cello tail needle support according to claim 1, characterized in that: the U-shaped block (16) is rotatably connected with the top block (15).

6. The liftable cello tail needle support according to claim 1, characterized in that: the switch contact (21) and the switch contact (22) are positioned on the same vertical line.