CN109346036B

CN109346036B - Multifunctional sand belt quick adjusting mechanism

Info

Publication number: CN109346036B
Application number: CN201811461534.9A
Authority: CN
Inventors: 戴永才; 吴定军; 裴晓虎
Original assignee: Tianjin Jinbao Musical Instruments Co Ltd
Current assignee: Tianjin Jinbao Musical Instruments Co Ltd
Priority date: 2018-12-02
Filing date: 2018-12-02
Publication date: 2023-10-13
Anticipated expiration: 2038-12-02
Also published as: CN109346036A

Abstract

The invention discloses a multifunctional sand belt quick adjustment mechanism which comprises a fixed seat and a sliding plate, wherein the fixed seat is arranged on a drum cavity; a plurality of quick adjusting parts are arranged on the sliding plate side by side, and each quick adjusting part is connected with a sand belt respectively. According to the invention, fine adjustment of the sand belt can be realized through fine adjustment of multiple gears; a plurality of quick adjusting pieces are arranged on the sliding plate, each quick adjusting piece is connected with one sand belt respectively, quick tightness adjustment of a plurality of sand belts can be realized quickly by stirring the quick adjusting pieces, and each sand belt can be adjusted independently.

Description

Multifunctional sand belt quick adjusting mechanism

Technical Field

The invention relates to a musical instrument accessory, in particular to a multifunctional sand belt quick adjustment mechanism.

Background

The sand belt in the existing sand belt drum is only one, specifically, one end of the sand belt is fixedly connected with the drum cavity, the other end of the sand belt is used for realizing tightness adjustment of the sand belt through an adjusting device, and then the distance between the sand belt and the drum head is adjusted to realize different tone colors, wherein the adjusting device can only carry out adjustment of tightness of one sand belt, adjustment of a plurality of sand belts cannot be realized, and the existing adjusting device is low in adjusting speed and small in adjusting amplitude, so that fine adjustment cannot be realized.

Disclosure of Invention

The invention aims to solve the technical problems and provide a multifunctional sand belt quick adjustment mechanism capable of adjusting a plurality of sand belts.

In order to solve the technical problems, the invention adopts the following technical scheme:

the multifunctional sand belt quick adjustment mechanism comprises a fixed seat and a sliding plate, wherein the fixed seat is fixedly arranged on a drum cavity, the sliding plate is arranged on the fixed seat in a vertical sliding manner, and a multi-gear fine adjustment mechanism is further arranged between the fixed seat and the sliding plate;

the multi-gear fine adjustment mechanism comprises a disc, a gear handle, an eccentric column and an elastic spring ball, wherein the disc is rotatably arranged on the front end face of a fixed seat, a plurality of positioning grooves are circumferentially arranged on the back face of the disc, the elastic spring ball is embedded and arranged on the fixed seat, the plurality of positioning grooves on the disc are switchably clamped on the elastic spring ball after the disc rotates, one end of the gear handle is fixed on the peripheral wall of the disc, the other end of the gear handle penetrates through a sliding plate to extend upwards, the eccentric column is fixed on the eccentric position of the front end face of the disc, a long circular groove is formed on the back face of the sliding plate, the eccentric column is always contacted with the inner wall of the long circular groove under the action of tension force of a sand belt, the gear handle is shifted to drive the disc to rotate, then the disc and the eccentric column on the disc rotate for a certain angle and are fixed after the disc rotates, and the eccentric column moves along the inner wall of the long circular groove in the process, so that the sliding plate slides up and down relative to the fixed seat is realized;

the utility model provides a sand control device, including slide, fixed block, spanner, connecting rod, fixed block, the preceding terminal surface of slide is equipped with a plurality of quick adjustment pieces that the structure is unanimous side by side on the terminal surface, and every quick adjustment piece is connected with a sand control respectively, quick adjustment piece includes guide bar, guide block, spanner, connecting rod and fixed block, the lower part of slide terminal surface is equipped with the fixed plate, the guide bar is connected between fixed plate and fixed block, the guide block movably suit is on the guide bar, and this guide block links together with the tip of sand control through the compact heap, spanner one end is articulated with the guide block, and should spanner middle part still articulates with the fixed block through the connecting rod, still is equipped with spacing horizontal pole in the articulated department of spanner and connecting rod, still is equipped with the elasticity fastener on the fixed block, and the spacing horizontal pole can block in elasticity fastener one side after the spanner is stirred to the in-process guide block and the compact heap on can remove along the guide bar, and then realizes the elasticity regulation to the sand control.

Further, both sides of fixing base all are formed with the spout, the both sides of slide all outwards bulge is formed with the slider, and the slide passes through the slider and can match the spout of installing at the fixing base with reciprocating, wherein still imbeds in the spout and install the nylon sliding sleeve.

The beneficial effects of the invention are as follows: the disc can be driven to rotate through stirring the gear, then under the limiting action of the positioning groove on the disc and the elastic collision bead, the disc and the eccentric column on the disc rotate for a certain angle and then are fixed, the eccentric column can drive the sliding plate to slide up and down relative to the fixing seat in the process so as to realize fine adjustment of the tightness of the sand belt, in addition, the number of the positioning grooves on the disc determines the gear number, and fine adjustment of the sand belt can be realized through fine adjustment of multiple gears. A plurality of quick adjusting pieces are arranged on the sliding plate, each quick adjusting piece is connected with one sand belt respectively, and tightness adjustment on a plurality of sand belts can be realized quickly by stirring the quick adjusting pieces.

Drawings

FIG. 1 is a schematic diagram of a front view of a multifunctional sand belt quick adjustment mechanism of the present invention;

FIG. 2 is a schematic side view of the multifunctional sand belt quick adjustment mechanism of the present invention;

FIG. 3 is a schematic side view of a cross-sectional structure of the multi-functional sand belt quick adjustment mechanism of the present invention;

FIG. 4 is a schematic diagram showing a front view of a multi-stage fine adjustment mechanism mounted on a fixed base according to the present invention;

FIG. 5 is a schematic rear view of the disk and handle of the present invention;

FIG. 6 is a schematic rear view of the skateboard of the present invention.

Detailed Description

The invention is described in further detail below with reference to the attached drawings and detailed description:

the two multifunctional sand belt quick adjustment mechanisms are generally adopted in the sand belt drum to be used simultaneously, and are respectively arranged at two ends of the sand belts so as to realize the quick adjustment of the bidirectional tightness of the sand belts, and each sand belt can be independently adjusted.

Referring to fig. 1 to 6, the multifunctional sand belt quick adjustment mechanism of the present invention comprises a fixing base 1 and a sliding plate 2, wherein the fixing base 1 is fixedly installed on a drum cavity, and in particular, the fixing base 1 is fixedly connected with the drum cavity through two bolts.

The sliding plate 2 is arranged on the fixed seat 1 in a vertically sliding way. Specifically, the front end face both sides of fixing base 1 all are formed with the spout, the back both sides of slide 2 all outwards bulge is formed with the slider, and slide 2 passes through the slider and can match the spout of installing in fixing base 1 with reciprocating, wherein still the embedding is installed nylon sliding sleeve 6 in the spout, and the design of nylon sliding sleeve 6 has played silence and wear-resisting effect.

A multi-gear fine adjustment mechanism is further arranged between the sliding plate 2 and the fixed seat 1. The multi-gear fine adjustment mechanism comprises a disc 41, a gear handle 42, an eccentric column 43 and an elastic collision bead 44, wherein the disc 41 is rotatably installed on the front end face of the fixed seat 1, and a plurality of positioning grooves 45 are circumferentially formed in the back face of the disc 41, and preferably, the number of the positioning grooves 45 is three. The elastic spring ball 44 is embedded and installed on the fixed seat 1, part of the elastic spring ball 44 is exposed on the front end face of the fixed seat 1 and is matched with the positioning groove 45, and three positioning grooves 45 on the elastic spring ball 44 are switchably clamped on the elastic spring ball 44 after the disc 41 rotates. One end of the retainer 42 is fixed on the peripheral wall of the disc 41, the other end of the retainer 42 extends upwards through the slide plate 2, the retainer 42 is used for driving the disc 41 to rotate, and the retainer 42 cannot interfere with the slide plate 2 when moving. The eccentric column 43 is fixed at an eccentric position of the front end surface of the disc 41 (i.e. a position far away from the center of the disc 41), an oblong groove 21 is formed on the back surface of the sliding plate 2, and the eccentric column 43 is always contacted with the inner wall of the oblong groove 21 under the action of tension force of the sand belt. The gear handle 42 is shifted to drive the disc 41 to rotate, then under the limiting action of the elastic spring ball 44, the disc 41 and the eccentric column 43 thereon rotate for a certain angle and then are fixed, and the eccentric column 43 moves along the inner wall of the oblong groove 21 in the process, so that the sliding plate 2 can slide up and down relative to the fixed seat 1, and fine adjustment of the tightness of the sand belt can be realized. In addition, the number of the positioning grooves 45 on the disc 41 determines the gear number, namely, three positioning grooves 45 can realize the adjustment of three gears, and fine adjustment of the sand belt can be realized through fine adjustment of multiple gears.

The front end face of the sliding plate 2 is an inclined plane, a plurality of quick adjustment members 5 with the same structure are arranged on the front end face of the sliding plate 2 side by side, preferably, the number of the quick adjustment members 5 on each sliding plate 2 is three, each quick adjustment member 5 is respectively connected with one sand belt, correspondingly, the multifunctional sand belt quick adjustment mechanism can adjust three sand belts, and each sand belt can be independently adjusted.

Specifically, the quick adjustment member includes a guide rod 51, a guide block 52, a spanner 53, a connecting rod 54, and a fixing block 55. The lower part of the front end face of the sliding plate 2 is provided with a fixed plate 56, the guide rod 51 is connected between the fixed plate 56 and the fixed block 55, the guide block 52 is movably sleeved on the guide rod 51, the guide block 52 is connected with the end part of the sand belt through a compressing block 57, namely, the compressing block 57 can compress the sand belt line of the end part of the sand belt on the guide block 52. One end of the spanner 53 is hinged with the guide block 52, the middle part of the spanner 53 is also hinged with the fixed block 55 through the connecting rod 54, a limiting cross rod 58 is further arranged at the hinge position of the spanner 53 and the connecting rod 54, and an elastic clamping piece 59 is further arranged on the fixed block 55, preferably, the elastic clamping piece 59 can be an elastic collision bead. The rear limit cross rod 58 of the toggle 53 can be clamped on one side of the elastic clamping piece 59, and the guide block 52 and the compacting block 57 on the guide block can move along the guide rod 51 in the toggle 53 toggle process, so that quick tightness adjustment of the sand belt is realized.

In view of the foregoing, the present invention is not limited to the above-described embodiments, and those skilled in the art may devise other embodiments that fall within the spirit and scope of the invention.

Claims

1. The utility model provides a mechanism is transferred soon to multi-functional sand tape which characterized in that: the device comprises a fixed seat (1) and a sliding plate (2), wherein the fixed seat (1) is fixedly arranged on a drum cavity, the sliding plate (2) is arranged on the fixed seat (1) in a vertical sliding manner, and a multi-gear fine adjustment mechanism is arranged between the fixed seat and the sliding plate;

the multi-gear fine adjustment mechanism comprises a disc (41), a gear handle (42), an eccentric column (43) and an elastic collision bead (44), wherein the disc (41) is rotatably arranged on the front end face of a fixed seat (1), a plurality of positioning grooves (45) are circumferentially formed in the back face of the disc (41), the elastic collision bead (44) is embedded and arranged on the fixed seat (1), the plurality of positioning grooves (45) on the disc (41) are switchably clamped on the elastic collision bead (44) after the disc (41) rotates, one end of the gear handle (42) is fixed on the peripheral wall of the disc (41), the other end of the gear handle (42) penetrates through a sliding plate (2) to extend upwards, the eccentric column (43) is fixed on the eccentric position of the front end face of the disc (41), a long circular groove (21) is formed in the back face of the sliding plate (2), the eccentric column (43) is always contacted with the inner wall of the long circular groove (21) under the action of tension of sand, the gear handle (42) is stirred to drive the disc (41) to rotate, and then the disc (41) is fixed on the inner wall (21) under the action of the elastic collision bead (44) in a certain angle in a sliding mode, and the eccentric column (2) is fixed on the inner wall of the disc (1) in a certain sliding mode;

the utility model provides a sand control device, including slide (2) and sand control device, be equipped with a plurality of structure unanimous fast transfer piece (5) side by side on the preceding terminal surface of slide (2), and every fast transfer piece (5) are connected with a sand control device respectively, fast transfer piece includes guide bar (51), guide block (52), spanner (53), connecting rod (54) and fixed block (55), the lower part of terminal surface is equipped with fixed plate (56) before slide (2), guide bar (51) are connected between fixed plate (56) and fixed block (55), guide block (52) movably suit is in guide bar (51), and this guide block (52) are in the same place through clamp piece (57) and the end connection of sand control device, spanner (53) one end is articulated with guide block (52), and this spanner (53) middle part is still articulated with fixed block (55) through connecting rod (54), still is equipped with spacing horizontal pole (58) in the articulated department of spanner (53) and connecting rod (54), still is equipped with elasticity card (59) on fixed block (55), spanner (53) card (58) can be in the guide bar (51) and can realize moving along the guide bar (57) and can move one side and then the clamp down on the guide bar (53.

2. The multi-function sand belt quick adjustment mechanism of claim 1, wherein: both sides of fixing base (1) all are formed with the spout, the both sides of slide (2) all outwards bulge is formed with the slider, and slide (2) are installed in the spout of fixing base (1) through the slider matching with reciprocating, wherein still imbeds in the spout and install nylon sliding sleeve (6).