CN217113813U

CN217113813U - Elastic clip for woodwind instrument

Info

Publication number: CN217113813U
Application number: CN202220569080.2U
Authority: CN
Inventors: 何利昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-08-02
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a woodwind instrument elasticity checkpost, include coil spring and fix respectively the clamping structure at coil spring both ends, clamping structure can drive the crooked winding of coil spring is on the flute head, the flute head with the whistle piece has been put to the card between the coil spring, both ends adjust structural connection through the fastening between the clamping structure, the fastening is adjusted the structure and can be adjusted interval between the clamping structure. The utility model discloses utilize the crooked winding of coil spring to fix the whistle piece on the flute, utilize clamping structure centre gripping coil spring's tip to adjust structure regulation coil spring's tensile force size through the fastening, can provide elastic fastening power to the whistle piece, reduce restraint and the influence to the whistle piece vibration, and can carry out the adjustment of adaptability to the fastening power size as required.

Description

Elastic clip for woodwind instrument

Technical Field

The utility model relates to a musical instrument accessory technical field especially relates to a woodwind instrument elasticity checkpost.

Background

The fixed knot that current woodwind instrument flute head and whistle piece constructs generally all adopts like iron and steel, timber, hard solid materials such as plastics make, and utilize the clip to consolidate, and in order to fix flute head and whistle piece firmly, it has fastening effect to need fixed knot to construct, and in order to reach effectual fixed effect, need firmly block the whistle piece on the flute head, great fastening force, can influence the sound vibration effect of whistle piece, and, the fixed knot that current hard solid materials made constructs does not have the function of elasticity regulation usually, or fixed very firm, influence the vibration, or fixed loose, drop easily. The Chinese patent with the publication number of CN 208384987U discloses a flute head clamp, which comprises a clamp body and a gasket, wherein the gasket is arranged on the inner side of the clamp body and is movably connected with the clamp body; at least one bulge is arranged on the gasket, and when the clamp body connects the whistle head with the whistle piece, the bulge can be contacted with the whistle piece. This scheme adopts the structure of clamp, utilizes fastening screw, fastening nut to lock, and it must have stronger fastening force, when reaching fixed effect, must influence the natural vibration of whistle piece, influences the effect of playing.

The mode that all generally adopts among the prior art is the clamp chucking, for example, chinese patent with grant bulletin number CN207250121U discloses a saxophone flute head checkpost, including the clamp body that has the interface, clamp body circumference lateral wall is protruding to the direction of keeping away from clamp body center department, forms the constant head tank, and the length direction of constant head tank is parallel with the axis direction of clamp body, is provided with a plurality of reinforcement archs on the constant head tank inner wall, and reinforcement arch is inside the clamp body. This scheme is provided with fastening components at clamp body kneck, and fastening components is taut with clamp body both ends so that the interface diminishes, fixes the whistle piece in flute head department. Therefore, the hoop body of the scheme can firmly fix the whistle piece on the whistle head to influence the vibration of the whistle piece.

Also, chinese patent with an authorization bulletin number of CN 207068452U discloses a black tube flute head card, which also comprises a clamp body with an interface, wherein the side wall of the interface of the clamp body protrudes towards the direction far away from the center of the clamp body to form a positioning groove, the length direction of the positioning groove is parallel to the axis direction of the clamp body, and the interface of the clamp body is provided with a fastening component which tightens the two ends of the clamp body so that the interface becomes small. Since the fastening assembly is not elastic, it must only be firmly fastened, and obviously, this solution also has an effect on the vibration of the reed, affecting the blowing effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a woodwind instrument elasticity checkpost to solve the problem that above-mentioned prior art exists, utilize the crooked winding of coil spring to fix the whistle piece on the flute, utilize clamping structure centre gripping coil spring's tip, and adjust structure regulation coil spring's tensile force size through the fastening, can provide elastic fastening force to the whistle piece, reduce restraint and the influence to the whistle piece vibration, and can carry out the adjustment of adaptability to the fastening force size as required.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a woodwind instrument elasticity checkpost, include coil spring and fix respectively the clamping structure at coil spring both ends, clamping structure can drive the crooked winding of coil spring is on the flute head, the flute head with the whistle piece has been put to the card between the coil spring, the coil spring both ends adjust structural connection through the fastening between the clamping structure, the fastening is adjusted the structure and can be adjusted interval between the clamping structure.

Preferably, the clamping structure comprises a cylinder, a first through hole is radially formed in the cylinder, one end of the first through hole is inserted into the spiral spring, and the other end of the first through hole is inserted into the locking screw.

Preferably, the fastening regulation structure includes threaded rod and knob, the cylinder has radially seted up the second through-hole, the threaded rod runs through respectively to be located the coil spring both ends the cylinder, the one end of threaded rod with knob threaded connection, the other end of threaded rod is provided with limit flange.

Preferably, the number of the coil springs is two, and the first through holes are symmetrically arranged at two sides of the second through hole.

Preferably, the deflection angle of the first through hole relative to the second through hole is 120-140 degrees.

Preferably, the coil spring is provided with a fitting part, and the fitting part is provided with a contact point contacted with the whistle piece.

Preferably, the fitting part is an arc-shaped pipe, the arc-shaped pipe is sleeved on the spiral spring, and the contact point is taken as the point where the intrados surface of the arc-shaped pipe contacts with the whistle piece.

Preferably, the fitting part is a first pressure plate assembly, the first pressure plate assembly comprises a first pressure plate body arranged on the spiral spring and a first boss arranged on the first pressure plate body, and the contact point of the first boss and the reed is used as the contact point.

Preferably, two ends of the first pressing plate body are respectively provided with a first bending part, the first bending parts are respectively sleeved on the spiral springs, the first boss comprises a first convex cap and a first convex rod which are connected with each other, the first convex rod is provided with a first annular groove, the first annular groove and the first convex cap are respectively positioned on two surfaces of the first pressing plate body, and a first C-shaped clamp spring is installed in the first annular groove; the top surface of the first convex cap is a plane.

Preferably, the attaching part is a second pressure plate assembly, the second pressure plate assembly comprises a second pressure plate body mounted on the spiral spring and a second boss mounted on the second pressure plate body, and a point of the second boss contacting with the reed is used as the contact point; the two ends of the second pressing plate body are respectively provided with a second bending part, the second bending parts are respectively sleeved on the spiral springs, the second boss comprises a second convex cap and a second convex rod which are connected with each other, the second convex rod is provided with a second annular groove, the second annular groove and the second convex cap are respectively positioned on the two surfaces of the second pressing plate body, and a first C-shaped clamp spring is arranged in the second annular groove; the second pressing plate body is bent into an arc shape similar to or consistent with the flute head, and the second convex cap is hemispherical.

The utility model discloses for prior art gain following technological effect:

(1) the utility model utilizes the spiral spring to be bent and wound on the flute head to fix the whistle piece, utilizes the clamping structure to clamp the end part of the spiral spring, and adjusts the tensile force of the spiral spring through the fastening adjusting structure, thereby providing elastic fastening force for the whistle piece, reducing the restraint and influence on the vibration of the whistle piece, and being capable of adaptively adjusting the fastening force according to the requirement;

(2) the utility model discloses clamping structure includes the cylinder of radially seting up first through-hole, can install coil spring in first through-hole to can set up a plurality of first through-holes in the axial of cylinder and be used for installing a plurality of coil spring, guarantee to the fixed effect of whistle piece;

(3) the utility model discloses utilize the arc pipe as laminating portion, can set up the contact that contacts with the whistle piece on the intrados of arc pipe, reduce the area fixed to the whistle piece, and then reduce the restraint to the whistle piece vibration, this structural material is easily obtained, simple manufacture, and can also freely adjust the arc pipe as required and come better fixed whistle piece in the position of flute head circumference;

(4) the utility model discloses a boss is as laminating portion to the point of boss and whistle piece contact is as the contact, and installs on coil spring through the clamp plate body, can rationally set up the position and the quantity of boss according to the size of flute head and whistle piece, thereby can also realize the purpose of nimble setting and adjustment on the basis that reduces to whistle piece vibration restraint.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

fig. 3 is a schematic structural diagram of an embodiment of the present invention;

FIG. 4 is a schematic diagram of the exploded structure of FIG. 3;

fig. 5 is a schematic structural view of another embodiment of the present invention;

FIG. 6 is a schematic illustration of the exploded structure of FIG. 5;

FIG. 7 is a schematic structural view of a first platen assembly of the present invention;

fig. 8 is a schematic structural view of another embodiment of the present invention;

FIG. 9 is a schematic view of the exploded structure of FIG. 8;

wherein, 1, a spiral spring; 2. a clamping structure; 21. a cylinder; 22. locking screws; 3. fastening the adjusting structure; 31. a knob; 32. a threaded rod; 4. an arc tube; 5. a first platen assembly; 51. a first platen body; 52. a first boss; 53. a first C-shaped clamp spring; 6. a second platen assembly; 61. a second platen body; 62. a second boss; 63. and a second C-shaped clamp 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.

The utility model aims at providing a woodwind instrument elasticity checkpost to solve the problem that prior art exists, utilize the crooked winding of coil spring to fix the whistle piece on the flute, utilize clamping structure centre gripping coil spring's tip, and adjust structure regulation coil spring's tensile force size through the fastening, can provide elastic fastening force to the whistle piece, reduce restraint and the influence to the whistle piece vibration, and can carry out the adjustment of adaptability to the fastening force size as required.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-2, the utility model provides a woodwind instrument elasticity checkpost for fix the whistle piece on the flute, including coil spring 1 and fix the clamping structure 2 at coil spring 1 both ends respectively. The spiral spring 1 has certain elasticity, and the wire diameter and the diameter can be adaptively adjusted according to the elasticity requirement and the size of the flute head; clamping structure 2 is through the tip of detachable mode centre gripping coil spring 1, at this moment, can adopt the clip pattern and through the screw-up, perhaps can directly realize fixing coil spring 1 welding on clamping structure 2. After clamping structure 2 and coil spring 1 fixed connection, clamping structure 2 can drive coil spring 1 bending winding on the flute head. The clamping structure 2 can adopt an arc structure matched with the radian of the flute head to form a whole-circle ring shape by matching with the spiral spring 1, or can not adopt an arc structure and only realize a local ring shape by depending on the attachment of the spiral spring 1 and the flute head. Because coil spring 1 self elasticity can provide certain fastening force after the laminating is on the flute head surface, puts the whistle piece card between flute head and coil spring 1, and the whistle piece of being put by the card can be realized fixing under coil spring 1's tensile force effect. It should be noted that the coil spring 1 may be provided with one or more coils, and when a plurality of coils are provided, the plurality of coils 1 may share one set of clamping structure 2, or each coil spring 1 may correspond to one set of clamping structure 2. The clamping structures 2 at two ends of the spiral spring 1 are connected through the fastening adjusting structures 3, and the distance between the clamping structures 2 can be adjusted through the fastening adjusting structures 3. The fastening adjusting structure 3 can be a structure which runs through the two ends of the bolt of the clamping structure 2 and is connected with the nut, and the clamping structure 2 can be mutually close to or far away from (under the action of the spiral spring 1) through the rotating nut to realize adjustment. The utility model discloses utilize the crooked winding of coil spring 1 to fix the whistle piece on the flute, utilize the tip of 2 centre gripping coil spring 1 of clamping structure to adjust 3 tensile force sizes of adjusting coil spring 1 of structure through the fastening, can provide elastic fastening power to the whistle piece, reduce restraint and the influence to the whistle piece vibration, and can carry out the adjustment of adaptability to the fastening power size as required.

The clamping structure 2 may include a cylinder 21, a first through hole is radially formed in the cylinder 21, one end of the first through hole is inserted into the coil spring 1, and the other end of the first through hole is inserted into the locking screw 22. The cylinder 21 may be made of cylindrical steel (about 3-5mm in diameter, made of stainless steel or brass) 20-30mm long. The diameter of the first through hole is slightly larger than the outer diameter of the spiral spring 1, the spiral spring 1 penetrates into the first through hole, and the top end of the spiral spring 1 penetrating into the first through hole is fixed by a locking screw 22 (the spiral glue can be added). Through adopting the fixed coil spring 1 of the cylinder 21 who radially offers first through-hole, can install coil spring 1 in first through-hole to can offer a plurality of first through-holes in the axial of cylinder 21 and be used for installing a plurality of coil spring 1, guarantee the fixed effect to the whistle piece.

The fastening adjusting structure 3 may include a threaded rod 32 and a knob 31, and the cylinder 21 has a second through hole radially opened, and the second through hole is used for penetrating through the threaded rod 32 to connect the cylinder 21. The threaded rod 32 penetrates through the cylinders 21 at the two ends of the spiral spring 1 respectively, one end of the threaded rod 32 is in threaded connection with the knob 31, and the other end of the threaded rod 32 is provided with a limiting flange. The external diameter of the limit flange is larger than the diameter of the second through hole, and the external diameter of the knob 31 is larger than the diameter of the second through hole, when the knob 31 is rotated, the cylinders 21 can be driven to be close to each other, and when the knob 31 is rotated to the other direction, the cylinders 21 can be separated from each other under the elastic action of the spiral spring 1. The threaded rod 32 may be 25-35mm in length (made of stainless steel or brass).

The helical spring 1 can be provided with one or more, preferably two, in which case the first through-hole is symmetrically arranged on both sides of the second through-hole, i.e. the threaded rod 32 of the fastening adjustment structure 3 is arranged in the middle of the cylinder 21, and the cylinder 21 is provided on both sides with the locking screws 22 for connecting the helical spring 1, respectively. The two spiral springs 1 are arranged and have a certain distance, so that the axial fixing points of the whistle pieces can be increased, the whistle pieces are prevented from being inclined, and the fixing positions and the fixing effects of the whistle pieces on the whistle heads are guaranteed.

The deflection angle of the first through hole with respect to the second through hole may be set to 120 ° to 140 ° so as to form the coil spring 1 in a ring shape (or a semi-ring shape) when the cylindrical bodies 21 are close to each other, and to connect the cylindrical bodies 21 through by the threaded rod 32 without interfering with each other.

As shown in fig. 3 to 7, the coil spring 1 may further include a bonding portion, the bonding portion is provided with a contact point contacting with the reed, the bonding portion can reduce a contact area between the coil spring 1 and the reed, further reduce the restriction on the reed, reduce the resistance to the reed vibration, and further improve the reed vibration.

As shown in fig. 3 to 4, the attaching portion may be an arc tube 4, the diameter of the arc tube 4 is slightly larger than the outer diameter of the coil spring 1, and the attaching portion is formed by bending a copper tube with an inner diameter of about 3 to 4mm, an outer diameter of about 3.5 to 4.5mm, and a length of about 20 to 30mm into a certain radian, and is sleeved on the coil spring 1. The intrados of the arc tube 4 and the surface of the whistle plate have different curved surfaces, the two are not in surface contact but in point contact, and the point of the arc tube 4 in contact with the whistle plate is used as a contact point to fix the whistle plate. Can reduce the fixed area to the whistle piece, and then reduce the restraint to the whistle piece vibration, simultaneously, the material that the arc pipe 4 was made is easy, simple manufacture, and can also freely adjust the arc pipe 4 and come better fixed whistle piece in the position of flute head circumference as required.

As shown in fig. 5 to 6, the attaching portion may be a first pressing plate assembly 5, the first pressing plate assembly 5 includes a first pressing plate body 51 installed on the coil spring 1 and a first boss 52 installed on the first pressing plate body 51, wherein the first pressing plate body 51 may be provided with an installation portion for installing the coil spring 1, the installation portion may be fixedly connected with the coil spring 1 in a clamping manner or a welding manner, the first boss 52 may be a bump directly processed on the first pressing plate body 51, or may be an independent structure installed on the first pressing plate body 51 after post-processing. The top surface of the first boss 52 may be provided as a flat surface, the point of contact of which with the whistle plate serves as a contact point. The arrangement positions and the number of the first bosses 52 are not unique, and the positions and the number of the first bosses 52 can be reasonably arranged according to the sizes of the whistle head and the whistle piece, so that the aims of flexible arrangement and adjustment can be achieved on the basis of reducing the constraint on the whistle piece vibration.

Referring to FIG. 7, the first presser plate body 51 may be made of a copper plate having a width of about 10 to 15mm, a length of about 15 to 25mm, and a thickness of about 1 mm. The both ends of first clamp plate body 51 are provided with first flexion respectively, and first flexion overlaps respectively and establishes on coil spring 1, establishes the back at the cover, can also realize fixing of first clamp plate body 51 and coil spring 1 relative position through compressing tightly first flexion. The first boss 52 may be a hemispherical movable rivet with a diameter of about 2mm, and includes a first convex cap and a first convex rod connected to each other, and a plane is disposed at the top of the first convex cap. The through hole for installing the first boss 52 is formed in the first pressing plate body 51, the first protruding rod penetrates through the through hole in the first pressing plate body 51, the end, provided with the first annular groove, of the first protruding rod and the first protruding cap are located on two sides of the first pressing plate body 51 respectively, and the first boss 52 can be connected with the first pressing plate body 51 through the first C-shaped clamp spring 53 installed in the first annular groove. After the first C-shaped clamp spring 53 is installed, the relationship between the first boss 52 and the first pressure plate body 51 is not completely fixed, and the first boss has a certain amount of movement, which is more beneficial to the vibration of the reed.

As shown in fig. 8 to 9, the attaching portion may be a second pressing plate assembly 6, the second pressing plate assembly 6 includes a second pressing plate body 61 installed on the coil spring 1 and a second boss 62 installed on the second pressing plate body 61, wherein the second pressing plate body 61 may be provided with an installation portion for installing the coil spring 1, the installation portion may be fixedly connected with the coil spring 1 in a clamping manner or a welding manner, the second boss 62 may be a bump directly processed on the second pressing plate body 61, or may be an independent structure installed on the second pressing plate body 61 after post-processing. The second bosses 62 may be hemispherical spherical surfaces with smaller points of contact with the whistle, further reducing the effect and restriction on whistle oscillation. The setting positions and the number of the second bosses 62 are not unique, and the positions and the number of the second bosses 62 can be reasonably set according to the sizes of the whistle head and the whistle piece, so that the aims of flexible setting and adjustment can be achieved on the basis of reducing the constraint on the whistle piece vibration.

The two ends of the second pressing plate body 61 are respectively provided with a second bending part, the second bending parts are respectively sleeved on the spiral spring 1, and after the second pressing plate body 61 is sleeved on the spiral spring 1, the relative position of the second pressing plate body 61 and the spiral spring 1 can be fixed by pressing the second bending parts. The second boss 62 may be a half-ball type live rivet comprising a second lug cap and a second lug stem connected to each other. Set up the through-hole of installation second boss 62 on second clamp plate body 61, pass the through-hole on the second clamp plate body 61 with the second nose bar after for the one end that is provided with the second annular groove on the second nose bar and second convex cap are located the two sides of second clamp plate body 61 respectively, can realize being connected of second boss 62 and second clamp plate body 61 through installation second C type jump ring 63 in the second annular groove. It should be noted that, after the second C-shaped clamp spring 63 is installed, the relationship between the second boss 62 and the second pressure plate body 61 is not completely fixed, and a certain amount of movement is provided, which is more beneficial to the vibration of the reed.

The second pressing plate body 61 can be bent into an arc shape similar to or consistent with the flute head, so that the spiral spring 1 is more similar to a circular ring shape after the second pressing plate body 61 is installed, the flute head contour is more attached, the elastic force application of the spiral spring 1 is more uniform, and the integral structure is more attractive.

The diameter of the spiral spring 1 adopted by the utility model is about 2-4mm, and under the condition of ensuring the whole elasticity (the pulling force of the spiral spring 1 is about 5-9 newtons), the diameter of the spiral spring 1 can have a certain up-down floating range. The length of the spiral spring 1 can be 65-90 mm, and the spiral spring is made of stainless steel wires with the wire diameter of 0.3-0.6 mm.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. The utility model provides a woodwind instrument elasticity checkpost which characterized in that: include coil spring and fix respectively the clamping structure at coil spring both ends, clamping structure can drive coil spring crooked winding is on the flute head, the flute head with the whistle piece has been put to the card between the coil spring, the coil spring both ends adjust structural connection through the fastening between the clamping structure, the fastening is adjusted the structure and can be adjusted interval between the clamping structure.

2. The woodwind instrument spring clip according to claim 1, wherein: the clamping structure comprises a cylinder, a first through hole is formed in the cylinder in the radial direction, one end of the first through hole is inserted into the spiral spring, and a locking screw is inserted into the other end of the first through hole.

3. The woodwind instrument spring clip according to claim 2, wherein: the fastening adjusting structure comprises a threaded rod and a knob, a second through hole is formed in the cylinder in the radial direction, the threaded rod penetrates through the cylinders located at the two ends of the spiral spring respectively, one end of the threaded rod is connected with the knob in a threaded mode, and a limiting flange is arranged at the other end of the threaded rod.

4. The woodwind instrument spring clip according to claim 3, wherein: the coil springs are arranged in two numbers, and the first through holes are symmetrically arranged on two sides of the second through hole.

5. The woodwind instrument spring clip according to claim 4, wherein: the deflection angle of the first through hole relative to the second through hole is 120-140 degrees.

6. The woodwind instrument spring clip according to claim 5, wherein: the spiral spring is provided with a fitting part, and the fitting part is provided with a contact point which is in contact with the whistle piece.

7. The woodwind instrument spring clip according to claim 6, wherein: the fitting part is an arc-shaped pipe, the arc-shaped pipe is sleeved on the spiral spring, and the contact point of the inner arc surface of the arc-shaped pipe and the whistle piece is used as the contact point.

8. The woodwind instrument spring clip according to claim 6, wherein: the fitting part is a first pressing plate assembly, the first pressing plate assembly comprises a first pressing plate body arranged on the spiral spring and a first boss arranged on the first pressing plate body, and the point of contact of the first boss and the reed is used as the contact.

9. The woodwind instrument spring clip according to claim 8, wherein: the first pressing plate comprises a first pressing plate body and a second pressing plate body, wherein two ends of the first pressing plate body are respectively provided with a first bending part, the first bending parts are respectively sleeved on the spiral springs, the first boss comprises a first convex cap and a first convex rod which are connected with each other, the first convex rod is provided with a first annular groove, the first annular groove and the first convex cap are respectively positioned on two surfaces of the first pressing plate body, and a first C-shaped clamp spring is arranged in the first annular groove; the top surface of the first convex cap is a plane.

10. The woodwind instrument spring clip according to claim 6, wherein: the attaching part is a second pressing plate assembly, the second pressing plate assembly comprises a second pressing plate body arranged on the spiral spring and a second boss arranged on the second pressing plate body, and the contact point of the second boss and the reed is used as the contact point; the two ends of the second pressing plate body are respectively provided with a second bending part, the second bending parts are respectively sleeved on the spiral springs, the second boss comprises a second convex cap and a second convex rod which are connected with each other, the second convex rod is provided with a second annular groove, the second annular groove and the second convex cap are respectively positioned on the two surfaces of the second pressing plate body, and a first C-shaped clamp spring is arranged in the second annular groove; the second pressing plate body is bent into an arc shape similar to or consistent with the flute head, and the second convex cap is hemispherical.