CN111243557A - Drum head fixing structure and fixing method of jazz drum - Google Patents
Drum head fixing structure and fixing method of jazz drum Download PDFInfo
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- CN111243557A CN111243557A CN202010058370.6A CN202010058370A CN111243557A CN 111243557 A CN111243557 A CN 111243557A CN 202010058370 A CN202010058370 A CN 202010058370A CN 111243557 A CN111243557 A CN 111243557A
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Abstract
The invention relates to the field of musical instrument assembly, in particular to a drum head fixing structure of a jazz drum, wherein a base body is provided with a plurality of connecting columns, connecting cylinders are sleeved on the connecting columns, connecting through holes in the drum head are sleeved on the connecting cylinders, the back surface of the drum head is adhered to a second end surface of a connecting ring through hot pressing, so that the drum head and a connecting part are adhered into a whole structure, the connecting cylinders and the connecting columns are in surface contact, even if the drum head is frequently knocked or strongly knocked, the connecting cylinders and the connecting columns can ensure that the drum head is always in a tightened state, a limiting part is tightly pressed on the front surface of the drum head and detachably connected to the connecting columns, the connecting cylinders are prevented from being separated from the connecting columns, and the fixing structure can prevent the drum head from sliding relative to the drum barrel to cause the drum head to.
Description
Technical Field
The invention relates to the field of musical instrument assembly, in particular to a drum head fixing structure and a drum head fixing method of a jazz drum.
Background
Drum set, i.e. jazz Drum, is an important percussion instrument in jazz teams and generally consists of a foot-operated Bass Drum (Bass Drum, also known as "Tom Drum"), an army Drum, two or more Tom-Tom drums (Tom-Tom Drum), one or two hanging Cymbal (Crash Cymbal), a rhythm Cymbal (Ride Cymbal), and a pedal Hi-Hat (Hi-Hat).
The bass drum, the military drum and the tom-tom drum are musical instrument drums, and players need to knock drum shells to play music. The drum skin of the existing jazz drum is generally circular, and the drum barrel is cylindrical. The drum head cover is arranged on the opening of the drum and is fixedly connected with the drum through a circular fixing ring to ensure that the drum head is in a tightening state. The situation that the drum head slides relative to the fixed ring inevitably occurs after the jazz drum is frequently knocked, so that the drum head cannot be kept in a tight state, and the original tone can not be given out when the jazz drum is knocked.
Therefore, the player needs to maintain the drum head regularly, specifically: the fixing ring is loosened through the nut or the bolt, the position of the drum head is readjusted, the fixing ring is pressed on the drum head through the nut or the bolt, and the drum head is ensured to be in a tightening state again. However, the fixing ring is adjusted for multiple times, which leads to the reduction of the connection stability with the drum (e.g. thread damage after multiple adjustments), and leads to the need for more frequent adjustment and maintenance of the fixing ring and the drum head.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a drum head fixing structure and a fixing method of a jazz drum, so as to solve the problem of insufficient connection stability of the fixing structure of the drum head of the existing jazz drum.
Based on the above, the invention provides a drum head fixing structure of a jazz drum, wherein the jazz drum comprises a drum barrel and a drum head, and further comprises a connecting component, a limiting component and a seat body which is fixedly connected with the drum barrel and is in a ring shape;
a plurality of connecting columns are arranged on the seat body in a surrounding manner;
the connecting component comprises a connecting ring and a hollow connecting cylinder, the connecting ring is fixedly connected to the end part of the connecting cylinder, the connecting cylinder is sleeved on the connecting column, the inner side wall of the connecting cylinder is attached to the outer side wall of the connecting column, and the first end surface of the connecting ring is attached to the seat body;
the drum head is provided with a plurality of connecting through holes in a surrounding manner, the positions of the connecting through holes correspond to the positions of the connecting columns one by one, the connecting through holes are sleeved on the connecting cylinder, and the back surface of the drum head is adhered to the second end surface of the connecting ring through hot pressing;
the limiting part is detachably connected to the base body or the connecting column and is abutted to the front surface of the drum head.
Preferably, the limiting part comprises a first limiting ring and a second limiting ring;
the first limiting ring is located on the inner side of the connecting column, the second limiting ring is located on the outer side of the connecting column, and the first limiting ring and the second limiting ring are both in butt joint with the front face of the drum head.
Preferably, the limiting component further comprises a nut;
the terminal of spliced pole is equipped with the external screw thread, the nut movably connect in with the external screw thread, just the terminal surface of nut connect in first spacing ring and second spacing ring.
Preferably, the limiting component further comprises a positioning bracket;
the two sides of the positioning support are respectively provided with a first positioning groove and a second positioning groove, the first limiting ring is detachably embedded in the first positioning groove, and the second limiting ring is detachably embedded in the second positioning groove.
Preferably, the connecting cylinder includes silica gel layer and the first polyester film layer that sets gradually from inside to outside, silica gel layer and first polyester film layer pass through the mutual adhesion of hot pressing, silica gel layer laminate in the lateral wall of spliced pole, the go-between connect in first polyester film layer.
Preferably, the drum head is provided with a reinforcing ring on the back surface, the connecting through hole is located on the reinforcing ring, and the reinforcing ring is bonded to the second end surface of the connecting ring through hot pressing.
Preferably, the reinforcing ring is bonded to the drum head by hot pressing, and the reinforcing ring includes a metal mesh layer and a second polyester film layer bonded to each other, the metal mesh layer being located between the drum head and the second polyester film layer.
In order to solve the same technical problem, the invention also provides a drum head fixing method of the jazz drum, which comprises the following steps:
step S1, forming a plurality of connecting through holes on the outer circumference of the drum head;
s2, sleeving a cylindrical silica gel layer on the connecting column, and sleeving a cylindrical first polyester film layer on the silica gel layer; attaching an arc hot pressing plate of a hot press to the outer side wall of the first polyester film layer, wherein the arc hot pressing plate moves towards the radial inner side direction of the connecting column to adhere the silica gel layer and the first polyester film layer through hot pressing to form a connecting cylinder, the hot pressing temperature is 125-135 ℃, and the hot pressing pressure is 25-30 kg/cm2；
S3, placing the drum head on a seat body, and sleeving a connecting through hole on the connecting cylinder so as to enable the back surface of the drum head to be attached to the connecting ring; will the annular hot pressboard laminating of hot press is in the front of drum head, just the spliced pole passes the centre bore of annular hot pressboard, annular hot pressboard to the pedestal motion will through the hot pressing the drum head and go-between adhesion, hot pressing temperature is 130 ~ 135 ℃, and hot pressing pressure is 32 ~ 38kg/cm2；
And step S4, connecting a limiting component on the connecting column so that the limiting component is abutted against the front surface of the drum head.
Preferably, the step S1 further includes:
and attaching the metal mesh layer of the reinforcing ring to the back surface of the drum head, and thermally pressing and adhering the reinforcing ring and the drum head through a hot press.
Preferably, the step S4 further includes:
arranging a first limiting ring and a second limiting ring on the front surface of the drum head, then embedding a first positioning groove and the first limiting ring, embedding a second positioning groove and the second limiting ring, installing a nut to the external thread of the connecting column, and rotating the nut to force a positioning support to compress the first limiting ring and the second limiting ring.
According to the drum head fixing structure of the jazz drum, the base body is provided with the connecting columns, the connecting cylinders are sleeved on the connecting columns, the connecting through holes in the drum head are sleeved on the connecting cylinders, the back surface of the drum head is adhered to the second end face of the connecting ring through hot pressing, the drum head and the connecting parts are adhered into an integral structure, the connecting ring, the connecting cylinders and the drum head are all made of polyester film materials, the drum head is fixedly connected to the connecting columns through the connecting ring and the connecting cylinders, and meanwhile, the connecting cylinders and the connecting columns are in surface contact, so that the drum head can be stably fixed on the base body (drum barrel), and the drum head is prevented from sliding relative to the drum barrel to cause the drum head to be loose; connecting cylinder and spliced pole are face contact, even if the drum head receives frequently to strike or strike vigorously, connecting cylinder and spliced pole also can ensure that the drum head is in the state of tightening all the time, and spacing part supports tightly and connects in the spliced pole in front and detachably of drum head to prevent that the connecting cylinder breaks away from the spliced pole, this fixed knot constructs and can stop the relative drum bucket of drum head and slide and lead to the drum head to relax, has reduced player's maintenance burden.
Drawings
Fig. 1 is an overall structural schematic view of a drum head fixing structure of a jazz drum of an embodiment of the present invention;
FIG. 2 is a schematic top view of a drum head according to an embodiment of the invention;
FIG. 3 is a schematic structural view of a positioning bracket of a drum head fixing structure of a jazz drum according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a connecting part of a drum head fixing structure of a jazz drum according to an embodiment of the present invention;
fig. 5 is a schematic sectional view of a reinforcing ring of a drum head fixing structure of a jazz drum according to an embodiment of the present invention.
Wherein, 1, drum skin; 11. a connecting through hole; 12. a reinforcement ring; 121. a metal mesh layer; 122. a second polyester film layer; 2. a connecting member; 21. a connecting ring; 211. a first end face; 212. a second end face; 22. a connecting cylinder; 221. a silica gel layer; 222. a first polyester film layer; 3. a limiting component; 31. a first limit ring; 32. a second stop collar; 33. a nut; 34. positioning the bracket; 341. a first positioning groove; 342. a second positioning groove; 343. mounting a slotted hole; 4. a base body; 41. connecting columns; 411. and (4) external threads.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 to 5, a drum head fixing structure of a jazz drum of the present invention is schematically shown. The jazz drum comprises a drum barrel and a drum skin 1, wherein the drum barrel is cylindrical, and the drum skin 1 is circular.
The fixing structure comprises a connecting part 2, a limiting part 3 and a seat body 4. The seat body 4 is ring-shaped, the seat body 4 is fixedly connected to the opening of the drum, a plurality of connecting columns 41 are arranged on the seat body 4 in a surrounding mode, the connecting columns 41 and the seat body 4 are perpendicular to each other, the connecting columns 41 are cylinders, and external threads 411 are arranged at the tail ends of the connecting columns.
The connecting part 2 comprises a connecting ring 21 and a hollow connecting cylinder 22, wherein the connecting ring 21 is in a circular ring shape, the connecting ring 21 is fixedly connected to the end part of the connecting cylinder 22, and the cross section of the connecting ring 21 and the cross section of the connecting cylinder 22 are L-shaped. The connecting cylinder 22 is sleeved on the connecting column 41, and the inner side wall of the connecting cylinder 22 is attached to the outer side wall of the connecting column 41, so that the connecting cylinder 22 cannot move relative to the connecting column 41 in the radial direction. Two end surfaces of the connecting ring 21 are respectively referred to as a first end surface 211 and a second end surface 212, and the first end surface 211 of the connecting ring 21 is attached to the end surface of the seat body 4.
Be equipped with a plurality of connect the via hole 11 on the drum head 1 with encircleing, connect the via hole 11 and be located the edge of drum head 1, connect the quantity of via hole 11 and the quantity of spliced pole 41 unanimous, the position of a plurality of connect the via hole 11 and the position one-to-one of a plurality of spliced poles 41, and connect the via hole 11 and cup joint on connecting cylinder 22, of course, in order to cup joint connect the via hole 11 on connecting cylinder 22, connect the internal diameter of via hole 11 and be slightly greater than connecting cylinder 22's external diameter, treat that connect the via hole 11 cup joints behind connecting cylinder 22, the back laminating of drum head 1 is on the second terminal surface 212 of go-between. Further, the back of the drum head 1 is adhered to the second end surface 212 of the connecting ring 21 by the heat pressing process of the heat press, so that the drum head 1 and the connecting ring 21 are adhered into a whole, in this embodiment, the connecting ring 21, the connecting cylinder 22 and the drum head 1 are all made of polyester film, the drum head 1 is fixedly connected to the connecting column 41 through the connecting ring 21 and the connecting cylinder 22, and meanwhile, the connecting cylinder 22 and the connecting column 41 are in surface contact, which can ensure that the drum head 1 can be very stably fixed on the base body 4 (drum barrel), and the drum head 1 is prevented from sliding relative to the drum barrel, so that the drum head 1 is prevented from being loosened.
The limiting component 3 is detachably connected to the base body 4 or the connecting column 41, the limiting component 3 abuts against the front surface of the drum head 1, and the limiting component 3 can prevent the connecting through hole 11 (the connecting cylinder 22) from being separated from the connecting column 41.
The fixing structure can prevent the drum head 1 from loosening caused by the sliding of the drum head 1 relative to the drum barrel, and the maintenance burden of players is reduced; moreover, the fixing structure is not only suitable for newly produced drum head 1, but also can realize the technical effects even if the drum head 1 existing on the market is used as a raw material: namely, the existing drum head 1 is provided with a connecting through hole 11, and the connecting part 2 and the drum head 1 are adhered into a whole in a hot pressing mode, so that the drum head 1 is closely connected with the connecting column 41.
Specifically, the limiting part 3 includes a first limiting ring 31 and a second limiting ring 32, the first limiting ring 31 and the second limiting ring 32 are both circular rings, and the outer diameter of the first limiting ring 31 is smaller than the inner diameter of the second limiting ring 32. The first limiting ring 31 is located on the inner side of the connecting column 41, the second limiting ring 32 is located on the outer side of the connecting column 41, namely, the connecting column 41 is located between the first limiting ring 31 and the second limiting ring 32, the first limiting ring 31 and the second limiting ring 32 are both abutted to the front face of the drum head 1, and the first limiting ring 31 and the second limiting ring 32 are used for pressing the drum head 1 on the base body 4 so as to prevent the drum head 1 and the connecting part 2 from being separated from the connecting column 41.
In order to further fix the first and second stop rings 31, 32, the stop member 3 further includes a nut 33 and a positioning bracket 34. As shown in fig. 3, the nut 33 is movably connected to the external thread 411 of the connection column 41 in a matching manner, the two sides of the positioning bracket 34 are respectively provided with a first positioning groove 341 and a second positioning groove 342, the first limit ring 31 is detachably embedded in the first positioning groove 341, the second limit ring 32 is detachably embedded in the second positioning groove 342, the first positioning groove 341 is used for limiting the degree of freedom of the first limit ring 31, and the second positioning groove 342 is used for limiting the degree of freedom of the second limit ring 32. The end face of the nut 33 abuts against the positioning bracket 34, the positioning bracket 34 can be pressed tightly by rotating the nut 33, and then the first limiting ring 31 and the second limiting ring 32 are tightly abutted against the front face of the drum head 1, and the first limiting ring 31 and the second limiting ring 32 can not only prevent the drum head 1 and the connecting part 2 from being separated from the connecting column 41, but also ensure the stable adhesion of the connecting ring 21 and the drum head 1.
The positioning bracket 34 is further provided with a mounting slot 343, the connecting column 41 is inserted into the mounting slot 343, and after the nut 33 is mounted on the external thread 411 of the connecting column 41, the end face of the nut 33 abuts against the periphery of the mounting slot 343.
In order to promote the connection stability of connecting cylinder 22 and connection post 41, connecting cylinder 22 includes silica gel layer 221 and first polyester film layer 222 that from inside to outside set gradually, as shown in fig. 4, of course, silica gel layer 221 and first polyester film layer 222 all are the cylinder, silica gel layer 221 and first polyester film layer 222 pass through the mutual adhesion of hot pressing, make the two adhesion structure as an organic whole, silica gel layer 221 laminates in the lateral wall of connection post 41, go-between 21 is connected in first polyester film layer 222, silica gel layer 221 can ensure that connecting cylinder 22 and connection post 41 closely link to each other.
In addition, the back of the drum head 1 is provided with a reinforcing ring 12, the reinforcing ring 12 is annular, the connecting through hole 11 is positioned on the reinforcing ring 12, and the reinforcing ring 12 is bonded to the second end surface 212 of the connecting ring 21 by thermocompression. The reinforcing ring 12 is attached to the drum head 1 by thermocompression bonding so that the reinforcing ring 12, the drum head 1 and the connecting ring 21 are bonded in an integral structure, and further, as shown in fig. 5, the reinforcing ring 12 includes a metal mesh layer 121 and a second polyester film layer 122 attached to each other, the metal mesh layer 121 is located between the drum head 1 and the second polyester film layer 122, and the diameter of the metal wires in the metal mesh layer 121 is preferably 0.06 mm. The reinforcing ring 12 is used for performing structural reinforcement on the edge of the drum head 1 to prevent the connecting through hole 11 from being torn after the drum head 1 is knocked by a large force, and the metal mesh layer 121 is used as a supporting structure of the reinforcing ring 12 to reinforce the tear resistance of the reinforcing ring 12.
In order to solve the same technical problem, the invention also discloses a drum head 1 fixing method of the jazz drum, which comprises the following steps:
step S1, forming a plurality of connecting through holes 11 on the outer circumference of the drum head 1, wherein the inner diameter of each connecting through hole 11 is larger than the outer diameter of each connecting column 41; and then, the metal mesh layer 121 of the reinforcing ring 12 is attached to the back surface of the drum head 1, the reinforcing ring 12 is located at the edge of the drum head 1, the reinforcing ring 12 and the drum head 1 are thermally pressed and adhered through a hot press, so that the metal mesh layer 121 is located between the drum head 1 and the second polyester film layer 122, the diameter of a metal wire in the metal mesh layer 121 is preferably 0.06mm, the reinforcing ring 12 and the drum head 1 are thermally pressed and adhered to form an integral structure, the structural performance of the edge of the drum head 1 is enhanced, and particularly, the tear resistance of the edge of the drum head 1 is improved.
Step S2, the cylindrical silica gel layer 221 is sleeved on the connection column 41, and then the cylindrical first polyester film layer 222 is sleeved on the silica gel layer 221. The hot press is provided with an arc-shaped hot press plate, the section of the hot press surface of the arc-shaped hot press plate is arc-shaped, the hot press surface is used for contacting a workpiece to be hot-pressed, further, the hot press surface of the arc-shaped hot press plate of the hot press is attached to the outer side wall of the first polyester film layer 222, the arc-shaped hot press plate moves towards the radial inner side direction of the connecting column 41 and transfers heat to the first polyester film layer 222, so that the silica gel layer 221 and the first polyester film layer 222 are adhered to form the connecting cylinder 22 through hot pressing, the hot pressing temperature is 125-135 ℃, the preferred temperature is 133 ℃, and the hot pressing pressure is 25-30 kg/cm2Preferably 28kg/cm2(ii) a Certainly, when the silicone layer 221 is heated, the silicone contacting the connection column 41 is melted, and after the silicone layer 221 and the first mylar layer 222 are cooled, the silicone layer 221 and the connection column 41 are closely adhered, that is, the connection cylinder 22 and the connection column 41 are adhered.
Step S3, the drum head 1 is placed on the seat body 4, that is, the back surface of the drum head 1 is opposite to the end surface of the seat body 4, and the connecting through hole 11 is sleeved on the connecting cylinder 22, so that the back surface of the drum head 1 is attached to the second end surface 212 of the connecting ring 21. The hot press is provided with an annular hot pressing plate, the annular hot pressing plate is annular, namely the hot pressing surface of the annular hot pressing plate is annular and is used for contacting a workpiece to be hot pressed; the annular hot pressing plate of the hot press is attached to the front surface of the drum skin 1, and the connecting column 41 penetrates through the annularThe annular hot pressing plate moves towards the base body 4 and transfers heat to the drum skin 1 at the same time of the central hole of the hot pressing plate so as to adhere the drum skin 1 and the connecting ring 21 through hot pressing, the hot pressing temperature is 130-135 ℃, the preferred temperature is 131 ℃, and the hot pressing pressure is 32-38 kg/cm2Preferably 36kg/cm2(ii) a Wherein, the direct hot-pressing treatment of the drum head 1 and the connecting ring 21 on the seat body 4 has the following beneficial effects: when in hot pressing, a part of the material of the first end surface 211 of the connecting ring 21 is in a molten state, the material in the molten state is in contact with the end surface of the seat body 4, and after the connecting ring 21 and the drum head 1 are cooled, the connecting ring 21 is adhered to the seat body 4, so that the connection tightness and the connection stability of the connecting ring 21 and the seat body 4 are enhanced. The reinforcing ring 12 is used for performing structural reinforcement on the edge of the drum head 1 to prevent the connecting through hole 11 from being torn after the drum head 1 is knocked by a large force, and the metal mesh layer 121 is used as a supporting structure of the reinforcing ring 12 to reinforce the tear resistance of the reinforcing ring 12.
In this embodiment, the connecting ring 21, the connecting cylinder 22 and the drum head 1 are all made of mylar, the drum head 1 is fixedly connected to the connecting column 41 through the connecting ring 21 and the connecting cylinder 22, and meanwhile, the connecting cylinder 22 and the connecting column 41 are in surface contact, which can ensure that the drum head 1 can be very stably fixed on the seat body 4 (drum barrel), and the drum head 1 is prevented from sliding relative to the drum barrel, so that the drum head 1 is prevented from being loosened.
In step S4, the stopper 3 is connected to the connecting column 41 so that the stopper 3 abuts against the front surface of the drum head 1. Specifically, the first limiting ring 31 and the second limiting ring 32 are placed on the front surface of the drum head 1, the first positioning groove 341 and the first limiting ring 31 are embedded, the second positioning groove 342 and the second limiting ring 32 are embedded, the nut 33 is installed on the external thread 411 of the connecting column 41, the nut 33 is screwed to force the positioning bracket 34 to press the first limiting ring 31 and the second limiting ring 32, it is ensured that the first limiting ring 31 and the second limiting ring 32 tightly abut against the front surface of the drum head 1, the first limiting ring 31 and the second limiting ring 32 can prevent the drum head 1 and the connecting part 2 from being separated from the connecting column 41, and it is also ensured that the connecting ring 21 and the drum head 1 are stably adhered.
The fixing structure can prevent the drum head 1 from loosening caused by the sliding of the drum head 1 relative to the drum barrel, and the maintenance burden of players is reduced; moreover, the fixing structure is not only suitable for newly produced drum head 1, but also can realize the technical effects even if the drum head 1 existing on the market is used as a raw material: namely, the existing drum head 1 is provided with a connecting through hole 11, and the connecting part 2 and the drum head 1 are adhered into a whole in a hot pressing mode, so that the drum head 1 is closely connected with the connecting column 41.
In order to verify the connection stability of the drum head 1 fixing structure of the jazz drum, a certain model of drum head 1 of Rui union REMO brand was adopted for testing (the size of the drum head 1 is 14 inches), and the existing drum head 1 fixing structure was added for comparative analysis. The beating position of test is located the central department of drum head 1, and the beating dynamics is set for 15 newtons (for reducing the number of times of beating, this beating dynamics is far more than the actual beating dynamics of manpower), and establishes that drum head 1 slides 3mm relative its annular fixed knot and be the lax critical point, stops the beating test when test drum head 1 reaches lax critical point, and the test result is shown as following table:
| test object | Number of taps |
| Drum head 1 fixing structure I of jazz drum | 1604 |
| The drum head 1 of the jazz drum of the invention fixes the structure II | 1593 |
| Drum head 1 fixing structure III of jazz drum of the invention | 1834 |
| Drum head 1 fixing structure I of existing jazz drum | 733 |
| Drum head 1 fixing structure II of existing jazz drum | 840 |
| Drum head 1 fixing structure III of existing jazz drum | 745 |
Therefore, the connecting stability of the drum head 1 fixing structure of the jazz drum is far higher than that of the existing drum head 1 fixing structure, the connecting stability of the drum head 1 and the drum barrel is effectively improved, and the maintenance burden of players or musical instrument maintainers is reduced.
In summary, in the drum head fixing structure of the jazz drum of the invention, the base body 4 is provided with the plurality of connecting columns 41, the connecting cylinder 22 is sleeved on the connecting columns 41, the connecting through hole 11 on the drum head 1 is sleeved on the connecting cylinder 22, and the back surface of the drum head 1 is adhered to the second end surface 212 of the connecting ring 21 through hot pressing, so that the drum head 1 and the connecting part 2 are adhered into a whole structure, the connecting cylinder 22 and the connecting columns 41 are in surface contact, even if the drum head 1 is frequently knocked or strongly knocked, the connecting cylinder 22 and the connecting columns 41 can ensure that the drum head 1 is always in a tight state, the limiting part 3 is tightly pressed on the front surface of the drum head 1 and detachably connected to the connecting columns 41, so as to prevent the connecting cylinder 22 from being separated from the connecting columns 41, and the fixing structure can prevent the drum head 1 from sliding relative to the drum barrel to cause the looseness.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A drum head fixing structure of a jazz drum comprises a drum barrel and a drum head (1), and is characterized by further comprising a connecting component (2), a limiting component (3) and a base body (4) which is fixedly connected to the drum barrel and is in a ring shape;
a plurality of connecting columns (41) are arranged on the base body (4) in a surrounding manner;
the connecting component (2) comprises a connecting ring (21) and a hollow connecting cylinder (22), the connecting ring (21) is fixedly connected to the end part of the connecting cylinder (22), the connecting cylinder (22) is sleeved on the connecting column (41), the inner side wall of the connecting cylinder (22) is attached to the outer side wall of the connecting column (41), and the first end surface (211) of the connecting ring (21) is attached to the seat body (4);
the drum head (1) is provided with a plurality of connecting through holes (11) in a surrounding manner, the positions of the connecting through holes (11) correspond to the positions of the connecting columns (41) one by one, the connecting through holes (11) are sleeved on the connecting cylinder (22), and the back surface of the drum head (1) is adhered to the second end surface (212) of the connecting ring (21) through hot pressing;
the limiting component (3) is detachably connected to the base body (4) or the connecting column (41), and the limiting component (3) abuts against the front face of the drum head (1).
2. The drum head fixing structure of a jazz drum according to claim 1, wherein the limiting member (3) comprises a first limiting ring (31) and a second limiting ring (32);
the first limiting ring (31) is located on the inner side of the connecting column (41), the second limiting ring (32) is located on the outer side of the connecting column (41), and the first limiting ring (31) and the second limiting ring (32) are both abutted to the front face of the drum head (1).
3. The drum head fixing structure of a jazz drum according to claim 2, wherein the limiting member (3) further comprises a nut (33);
the end of spliced pole (41) is equipped with external screw thread (411), nut (33) activity ground cooperation connect in external screw thread (411), just the terminal surface of nut (33) connect in first spacing ring (31) and second spacing ring (32).
4. The drum head fixing structure of a jazz drum according to claim 2, wherein the position restricting part (3) further comprises a positioning bracket (34);
the two sides of the positioning support (34) are respectively provided with a first positioning groove (341) and a second positioning groove (342), the first limiting ring (31) is detachably embedded in the first positioning groove (341), and the second limiting ring (32) is detachably embedded in the second positioning groove (342).
5. The drum head fixing structure of the jazz drum according to claim 1, wherein the connecting cylinder (22) comprises a silicone layer (221) and a first polyester film layer (222) which are sequentially arranged from inside to outside, the silicone layer (221) and the first polyester film layer (222) are adhered to each other through hot pressing, the silicone layer (221) is attached to the outer side wall of the connecting column (41), and the connecting ring (21) is connected to the first polyester film layer (222).
6. The drum head fixing structure of a jazz drum according to claim 1, characterized in that a reinforcing ring (12) is provided on a back surface of the drum head (1), the connecting through hole (11) is located on the reinforcing ring (12), and the reinforcing ring (12) is attached to the second end surface (212) of the connecting ring (21) by thermocompression.
7. The drum head fixing structure of a jazz drum according to claim 6, characterized in that the reinforcing ring (12) is bonded to the drum head (1) by thermocompression, the reinforcing ring (12) comprises a metal mesh layer (121) and a second polyester film layer (122) attached to each other, and the metal mesh layer (121) is located between the drum head (1) and the second polyester film layer (122).
8. A method for fixing drum leather of a jazz drum is characterized by comprising the following steps:
step S1, forming a plurality of connecting through holes (11) on the outer circumference of the drum head (1);
s2, sleeving a cylindrical silica gel layer (221) on the connecting column (41), and sleeving a cylindrical first polyester film layer (222) on the silica gel layer (221); attaching an arc-shaped hot pressing plate of a hot press to the outer side wall of the first polyester film layer (222), wherein the arc-shaped hot pressing plate moves towards the radial inner side direction of the connecting column (41) so as to adhere the silica gel layer (221) and the first polyester film layer (222) to form a connecting cylinder (22) through hot pressing, the hot pressing temperature is 125-135 ℃, and the hot pressing pressure is 25-30 kg/cm2；
S3, placing the drum head (1) on a seat body (4), and sleeving a connecting through hole (11) on the connecting cylinder (22) so as to enable the back of the drum head (1) to be attached to the connecting ring (21); will the annular hot pressboard laminating of hot press is in the front of drum skin (1), just spliced pole (41) pass the centre bore of annular hot pressboard, annular hot pressboard to the annular hot pressboardThe base body (4) moves to adhere the drum leather (1) and the connecting ring (21) through hot pressing, the hot pressing temperature is 130-135 ℃, and the hot pressing pressure is 32-38 kg/cm2；
And step S4, connecting a limiting component (3) on the connecting column (41) so that the limiting component (3) is abutted against the front surface of the drum head (1).
9. The method for fixing a drum head of a jazz drum according to claim 8, wherein the step S1 further comprises:
and (3) attaching the metal mesh layer (121) of the reinforcing ring (12) to the back surface of the drum head (1), and thermally pressing and adhering the reinforcing ring (12) and the drum head (1) through a hot press.
10. The method for fixing a drum head of a jazz drum according to claim 8, wherein the step S4 further comprises:
the drum head comprises a drum head body (1), a first limiting ring (31) and a second limiting ring (32) are arranged on the front face of the drum head (1), a first positioning groove (341) is embedded with the first limiting ring (31), a second positioning groove (342) is embedded with the second limiting ring (32), a nut (33) is installed on an external thread (411) of a connecting column (41), and the nut (33) is screwed to force a positioning support (34) to compress the first limiting ring (31) and the second limiting ring (32).
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| CN111243557B (en) | 2023-07-25 |
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