CN213815527U

CN213815527U - Ear drum support frame convenient for height adjustment

Info

Publication number: CN213815527U
Application number: CN202022930406.3U
Authority: CN
Inventors: 余国杰
Original assignee: Nantong Yu Musical Instrument Co ltd
Current assignee: Nantong Yu Musical Instrument Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-07-27
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to an ear drum support frame which is convenient for adjusting the height, belonging to the technical field of drum instruments; the inner part of the supporting plate is provided with a cavity, a gear is arranged in the cavity, a first hand screw is fixed on a rotating shaft on the left side of the gear, a rack is meshed with the other side of the gear, the upper end of the rack is fixed on the front side and the rear side of the lower side wall of the lifting plate, supporting rods are fixed on the front side and the rear side of the upper side of the right side wall of the lifting plate, a first connecting piece is screwed on the right end of each supporting rod and fixed on the left side wall of the fixing frame, a second connecting piece is arranged on the left side wall of the fixing frame in a sliding mode and screwed with a screw rod, the left end of the screw rod is inserted in the internal thread pipe, the left end of the internal thread pipe is screwed with the lifting plate, a motor is fixed on the left side wall of the lifting plate, an output shaft of the motor is fixedly connected with the internal thread pipe, the height of the eardrum is adjusted according to the height of a striker when the eardrum is used, the comfort level of the striker is improved when the eardrum is used, and the angle of the striker is adjusted according to the habit of the striker, the practicability is increased.

Description

Ear drum support frame convenient for height adjustment

Technical Field

The utility model relates to a drum musical instrument technical field, concretely relates to make things convenient for height-adjusting's ear drum support frame.

Background

The drum set is an indispensable percussion instrument in jazz music, and generally comprises a foot-operated bass drum, an army drum, more than two ear drums, one or two small-hat cymbals and a small-hat cymbal with a pedal, the two ear drums are generally installed at the top of a bass drum at present, a top seat is installed at the top of the bass drum, a supporting rod is inserted on the top seat, an insertion seat capable of symmetrically inserting the two ear drum supporting rods is installed on the supporting rod, the two ear drum supporting rods are symmetrically inserted on the insertion seat, a universal adjusting seat capable of adjusting the direction is installed in the middle of the two ear drum supporting rods, the front ends of the ear drum supporting rods are inserted in the ear drum seats on the ear drum, but the supporting rods are fixed, the height of the ear drums cannot be adjusted according to the height of a percussion person, and the comfort level of the percussion person is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a reasonable in design, convenient to use's ear drum support frame of convenient height-adjusting, when using, can adjust the height of ear drum according to strike person's height, and then improve the comfort level when striking person uses, and can adjust the angle of ear drum according to strike person's custom, increased the practicality.

In order to achieve the above object, the utility model adopts the following technical scheme: the universal wheel type automobile seat comprises a base, universal wheels and a supporting plate, wherein the universal wheels are fixed at four corners of the lower surface of the base, a groove is formed in the right side of the base, and the supporting plate is fixed on the left side of the upper surface of the base; the lifting plate comprises a lifting plate, a rack, gears, a first hand screw, a support rod, a screw rod, an internal thread pipe, a motor, a first connecting piece, a second connecting piece and a fixing frame, wherein a cavity is arranged in the supporting plate, two gears are arranged in the cavity, the front gear and the rear gear are arranged in a meshed manner, rotating shafts on the left side and the right side of the gears are respectively screwed with the left side wall and the right side wall of the cavity through bearings, the first hand screw is fixed on the rotating shaft on the left side of one gear, the first hand screw passes through the left side wall of the cavity and is suspended on the left side of the supporting plate, racks are respectively meshed with the other sides of the gears, the upper ends of the racks are respectively fixed on the front side and the rear side of the lower side wall of the lifting plate, the upper side of the lifting plate passes through the upper side wall of the cavity and is suspended on the upper side of the supporting plate, the support rod is fixed on the front side and the rear side of the upper side of the right side of the lifting plate, and is screwed with the first connecting piece through a bolt, this connecting piece is fixed respectively in the front and back both sides of fixed frame left side wall upside, it is provided with the connecting piece No. two to slide in the spout of fixed frame left side wall downside, this connecting piece No. two connects soon with the screw rod through the bolt, the left end of this screw rod is inserted and is established in the internal thread pipe, and connect soon through the screw thread, the left end of internal thread pipe connects soon with the lifter plate through the bearing, be fixed with the motor on the left side wall of lifter plate, this motor is connected with external power source, the output shaft of motor is inserted and is established in the lifter plate, and the output shaft of motor and the left end fixed connection of.

Furthermore, the sliding chutes on the front side and the rear side of the lifting plate are internally provided with a first sliding block in a sliding way, the left side of the first sliding block is respectively connected with the lifting plate through bolts, the other side of the first sliding block is respectively fixedly connected with the front side and the rear side of the left side wall of the connecting plate, the connecting plate is suspended on the right side of the supporting plate, the front side and the rear side of the sliding chute on the lower side of the right side wall of the connecting plate are respectively provided with a second sliding block in a sliding way, the outer sides of the second sliding blocks are respectively fixed with a frame rod which is suspended on the upper side of the base, the upper side of the second sliding block is respectively fixed with a connecting rod which is arranged in an inverted L shape, the transverse ends of the connecting rods on the front side and the rear side are respectively fixedly connected with nuts at two ends of the screw rod, the screw rod is arranged in a clamping groove on the right side wall of the connecting plate, the screw rod is arranged in a way of opposite threads towards two sides by taking the middle end as a center, and the front end of the screw rod is connected with the front side wall of the clamping groove on the connecting plate through a bearing, the rear end of the screw rod penetrates through the rear side wall of the connecting plate and is fixedly connected with the rocking handle, and the rocking handle is connected with the rear side wall of the connecting plate through the positioning rod.

Further, fixed frame constitute by bottom plate, dead lever and solid fixed ring, the left side wall and a connecting piece fixed connection of bottom plate, the equal angle is fixed with several dead levers on the outward flange of bottom plate right side wall, the other end of this dead lever is fixed respectively on solid fixed ring's left side wall, all has connect the threaded rod through the screw thread soon on the middle-end of dead lever, the inner of this threaded rod is fixed with and supports the touch panel, the outer end of this threaded rod all is fixed with the hand of No. two and twists.

Furthermore, a soft cushion is fixed at the inner end of the abutting plate.

After the structure is adopted, the beneficial effects of the utility model are that: a make things convenient for ear drum support frame of height-adjusting, when using, can be according to the height that strikes person highly adjusts the ear drum, and then improve the comfort level when striking person uses, and can adjust the angle of ear drum according to striking person's custom, increased the practicality, the utility model has the advantages of it is reasonable to set up, the cost of manufacture is low.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view taken along line a-a in fig. 1.

Fig. 3 is a sectional view taken along line B-B in fig. 1.

Fig. 4 is a sectional view taken along line C-C in fig. 1.

Fig. 5 is an enlarged view of a portion D in fig. 4.

Figure 6 the utility model discloses the structure sketch map of well fixed frame.

Description of reference numerals:

the device comprises a base 1, universal wheels 2, a supporting plate 3, a groove 4, a lifting plate 5, a rack 6, a gear 7, a first hand screw 8, a supporting rod 9, a screw rod 10, an internal threaded pipe 11, a motor 12, a first connecting piece 13, a second connecting piece 14, a fixing frame 15, a bottom plate 15-1, a fixing rod 15-2, a fixing ring 15-3, a cavity 16, a first sliding block 17, a connecting plate 18, a second sliding block 19, a rack rod 20, a connecting rod 21, a screw rod 22, a rocking handle 23, a threaded rod 24, a touch plate 25, a second hand screw 26 and a cushion 27.

The specific implementation mode is as follows:

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.

As shown in fig. 1 to fig. 6, the following technical solutions are adopted in the present embodiment: the universal wheel type automobile seat comprises a base 1, universal wheels 2 and a supporting plate 3, wherein the universal wheels 2 are fixed at four corners of the lower surface of the base 1 through bolts, a groove 4 is formed in the right side of the base 1, and the supporting plate 3 is fixedly welded on the left side of the upper surface of the base 1; the novel electric heating furnace further comprises a lifting plate 5, a rack 6, gears 7, a first hand screw 8, a supporting rod 9, a screw rod 10, an internal threaded pipe 11, a motor 12, a first connecting piece 13, a second connecting piece 14 and a fixing frame 15, wherein a cavity 16 is formed in the supporting plate 3, two gears 7 are arranged in the cavity 16, the front gear 7 and the rear gear 7 are meshed, rotating shafts on the left side and the right side of the gear 7 are respectively screwed with the left side wall and the right side wall of the cavity 16 through bearings which are embedded in the left side wall and the right side wall of the cavity 16, outer rings of the bearings are welded and fixed with the inner side walls of the left side and the right side of the cavity 16, inner rings of the bearings are welded and fixed with the rotating shafts on the left side and the right side of the gear 7, the first hand screw 8 is welded and fixed on the rotating shaft on the left side of the gear 7 on the front side, the first hand screw 8 passes through the left side wall of the cavity 16 and is suspended on the left side of the supporting plate 3, the other side of the gear 7 is meshed with the rack 6, the upper end of the rack 6 is respectively welded and fixed on the front side and the rear side of the lower side wall of the lifting plate 5, the upper side of the lifting plate 5 passes through the upper side wall of the cavity 16 and then is suspended on the upper side of the supporting plate 3, the front side and the rear side of the upper side of the right side wall of the lifting plate 5 are respectively welded and fixed with a supporting rod 9, the right end of the supporting rod 9 is respectively screwed and connected with a connecting piece 13 through a bolt, the connecting pieces 13 are respectively welded and fixed on the front side and the rear side of the upper side of the left side wall of a fixed frame 15, the fixed frame 15 is composed of a bottom plate 15-1, a fixed rod 15-2 and a fixed ring 15-3, the left side wall of the bottom plate 15-1 is welded and fixed with the connecting piece 13, a plurality of fixed rods 15-2 are welded and fixed on the outer edge of the right side wall of the bottom plate 15-1 at equal angles, the right ends of the fixed rods 15-2 are respectively welded and fixed on the left side wall of the fixed ring 15-3, the middle ends of the fixed rods 15-2 are respectively screwed and connected with a threaded rod 24 through threads, the inner end of the threaded rod 24 is fixedly welded with a touch plate 25, the inner end of the touch plate 25 is fixedly bonded with a cushion 27 which can protect the outer side wall of the eardrum, the outer end of the threaded rod 24 is fixedly welded with a second hand screw 26 which can limit the eardrum and increase the stability of the eardrum, a second connecting piece 14 is arranged in a sliding groove at the lower side of the left side wall of the fixing frame 15 in a sliding way, the second connecting piece 14 is screwed with the threaded rod 10 through a bolt, the left end of the threaded rod 10 is inserted in the internal threaded tube 11 and screwed through a thread, the left end of the internal threaded tube 11 is screwed with the lifting plate 5 through a bearing, the bearing is embedded in the lifting plate 5, the outer ring of the bearing is fixedly welded with the inner side wall of the lifting plate 5, the outer ring of the bearing is fixedly welded with the left end of the internal threaded tube 11, the left side wall of the lifting plate 5 is fixedly provided with a motor 12 through a bolt, the motor 12 is connected with an external power supply, the model of the motor 12 is 40KTYZ, an output shaft of a motor 12 is inserted into a lifting plate 5, the output shaft of the motor 12 is welded and fixed with the left end of an internal thread pipe 11, sliding grooves on the front side and the rear side of the lifting plate 5 are respectively provided with a first sliding block 17, the left side of the first sliding block 17 is respectively connected with the lifting plate 5 through bolts, the right side of the first sliding block 17 is respectively welded and fixed with the front side and the rear side of the left side wall of a connecting plate 18, the connecting plate 18 is suspended on the right side of a supporting plate 3, the front side and the rear side of the sliding groove on the lower side of the right side wall of the connecting plate 18 are respectively provided with a second sliding block 19 in a sliding manner, the outer side of the second sliding block 19 is respectively welded and fixed with a hack lever 20, the hack lever 20 is suspended on the upper side of a base 1, the upper side of the second sliding block 19 is respectively welded and fixed with a connecting rod 21, the connecting rod 21 is arranged in an inverted L shape, the transverse ends of the connecting rods 21 on the front side and the rear side are respectively welded and the nuts at the two ends of a screw rod 22, the clamping groove on the right side wall of the connecting plate 18, the screw rod 22 uses the middle end to set up to both sides screw thread is opposite as the center, and the front end of screw rod 22 passes through the bearing and connects soon with the preceding lateral wall of the draw-in groove on the connecting plate 18, and behind the rear end of screw rod 22 passed the rear wall of connecting plate 18, with rocking handle 23 welded fastening, this rocking handle 23 passes through the locating lever and is connected with the rear wall of connecting plate 18, can go up and down to the bass drum, and then conveniently drives the bass drum and remove, need not manual transport.

The working principle of the specific embodiment is as follows: when the device is used, the base 1 is pushed to one side of a bass drum, the groove 4 on the base 1 is clamped on the bass drum, then the first hand screw 8 is rotated according to the height of a striker, the first hand screw 8 drives the gear 7 on the front side to rotate, the gear 7 drives the gear 7 on the rear side to rotate, the two gears 7 simultaneously drive the racks 6 on the two sides to move, the racks 6 drive the lifting plate 5 to move, the lifting plate 5 drives the supporting rod 9 and the internal threaded pipe 11 to move, the supporting rod 9 drives the fixing frame 15 to move through the first connecting piece 13 until the fixing frame 15 reaches the proper height, then the motor 12 is started according to the habit of the striker, the motor 12 drives the internal threaded pipe 11 to rotate, the internal threaded pipe 11 drives the screw rod 10 to move, the screw rod 10 drives the second connecting piece 14 to move, the second connecting piece 14 drives the fixing frame 15 to rotate by taking the first connecting piece 13 as an axial point in the process of sliding of the chute on the bottom plate 15-1, until the fixed frame 15 rotates to a proper angle, then the ear drum is inserted into the fixed frame 15, the second hand screw 26 is rotated, the second hand screw 26 drives the threaded rod 24 to rotate, the threaded rod 24 moves towards the inside of the fixed frame 15 in the rotating process, so as to drive the touch plate 25 to move inwards, until the soft cushion 27 is abutted against the outer side wall of the ear drum, at the moment, the ear drum and the big drum can be used, when the ear drum and the big drum need to be stored after the ear drum and the big drum are used, the rocking handle 23 is rotated, the rocking handle 23 drives the screw rod 22 to rotate, the screw rod 22 drives the second slide block 19 to move towards the center through the nuts at the two ends of the screw rod, the second slide block 19 drives the rack rod 20 to move towards the center until the rack rod 20 is abutted against the lower side of the big drum, then the bolt on the first slide block 17 is screwed, the first hand screw 8 is rotated, the first hand screw 8 drives the two racks 6 to move upwards through the cooperation of the two gears 7, the rack 6 drives the lifting plate 5 to move upwards, the lifting plate 5 drives the connecting plate 18 to move upwards through the first sliding block 17, the connecting plate 18 drives the rack rod 20 to move upwards through the second sliding block 19, the rack rod 20 drives the bass drum to move upwards, the bass drum leaves the ground, and then the bass drum moves through the universal wheel 2 until the proper position is reached.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the fixed frame 15 is respectively connected with the support rod 9 and the screw rod 10 through a first connecting piece 13 and a second connecting piece 14, the screw rod 10 can be driven to move by the internal threaded pipe 11 in the rotating process, and the lower side of the fixed frame 15 is further pushed through the second connecting piece 14, so that the angle of the fixed frame 15 can be adjusted;

2. the internal thread pipe 11 is connected with the lifting plate 5 through a bearing, the supporting rod 9 is fixed on the lifting plate 5, the height of the fixing frame 15 can be adjusted by adjusting the height of the lifting plate 5, and then the height of the eardrum is adjusted according to the rising of a striker, so that the striker can use the eardrum conveniently;

3. after using, the position of hack lever 20 can be adjusted for hack lever 20 erects the bass drum, and rethread lifter plate 5 drives connecting plate 18 rebound, thereby can drive the bass drum rebound, conveniently carry the bass drum then.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An eardrum support frame convenient for height adjustment comprises a base (1), universal wheels (2) and a support plate (3), wherein the universal wheels (2) are fixed at four corners of the lower surface of the base (1), a groove (4) is formed in the right side of the base (1), and the support plate (3) is fixed on the left side of the upper surface of the base (1); the method is characterized in that: the novel lifting device is characterized by further comprising a lifting plate (5), a rack (6), gears (7), a first hand screw (8), a supporting rod (9), a screw rod (10), an internal threaded pipe (11), a motor (12), a first connecting piece (13), a second connecting piece (14) and a fixing frame (15), wherein a cavity (16) is formed in the supporting plate (3), two gears (7) are arranged in the cavity (16), the front gear and the rear gear (7) are arranged in a meshed manner, rotating shafts on the left side and the right side of each gear (7) are respectively screwed with the left side wall and the right side wall of the cavity (16) through bearings, the first hand screw (8) is fixed on the rotating shaft on the left side of one gear (7), the first hand screw (8) penetrates through the left side wall of the cavity (16) and is arranged on the left side of the supporting plate (3) in a suspended manner, the rack (6) is meshed with the other side of the gear (7), the upper end of the rack (6) is respectively fixed on the front side and the rear side of the lower side wall of the lifting plate (5), the upper side of the lifting plate (5) passes through the upper side wall of the cavity (16) and then is suspended on the upper side of the supporting plate (3), supporting rods (9) are fixed on the front side and the rear side of the upper side of the right side wall of the lifting plate (5), the right end of each supporting rod (9) is screwed with a connecting piece (13) through a bolt, the connecting pieces (13) are respectively fixed on the front side and the rear side of the upper side of the left side wall of the fixing frame (15), a second connecting piece (14) is arranged in a sliding groove on the lower side of the left side wall of the fixing frame (15) in a sliding mode, the second connecting piece (14) is screwed with the screw rod (10) through a bolt, the left end of the screw rod (10) is inserted in the internal thread pipe (11) and is screwed through threads, the left end of the internal thread pipe (11) is screwed with the lifting plate (5) through a bearing, a motor (12) is fixed on the left side wall of the lifting plate (5), and the motor (12) is connected with an external power supply, an output shaft of the motor (12) is inserted in the lifting plate (5), and the output shaft of the motor (12) is fixedly connected with the left end of the internal threaded pipe (11).

2. The ear drum support frame convenient for height adjustment according to claim 1, wherein: the lifting plate is characterized in that a first sliding block (17) is arranged in sliding grooves on the front side and the rear side of the lifting plate (5) in a sliding mode, the left side of the first sliding block (17) is connected with the lifting plate (5) through bolts respectively, the other side of the first sliding block (17) is fixedly connected with the front side and the rear side of the left side wall of a connecting plate (18) respectively, the connecting plate (18) is arranged on the right side of a supporting plate (3) in a hanging mode, a second sliding block (19) is arranged on the front side and the rear side of the sliding groove on the lower side of the right side wall of the connecting plate (18) in a sliding mode, a rack rod (20) is fixed on the outer side of the second sliding block (19), the rack rod (20) is arranged on the upper side of a base (1) in a hanging mode, connecting rods (21) are arranged on the upper side of the second sliding block (19) in an inverted L shape, the transverse ends of the connecting rods (21) on the front side and the rear side are fixedly connected with nuts at two ends of a screw rod (22) respectively, and the screw rod (22) is arranged in a clamping groove on the right side wall of the connecting plate (18), the screw rod (22) is arranged oppositely to threads on two sides by taking the middle end as the center, the front end of the screw rod (22) is connected with the front side wall of a clamping groove in the connecting plate (18) in a screwing mode through a bearing, the rear end of the screw rod (22) penetrates through the rear side wall of the connecting plate (18) and then is fixedly connected with the rocking handle (23), and the rocking handle (23) is connected with the rear side wall of the connecting plate (18) through a positioning rod.

3. The ear drum support frame convenient for height adjustment according to claim 1, wherein: the fixed frame (15) is composed of a bottom plate (15-1), fixed rods (15-2) and fixed rings (15-3), the left side wall of the bottom plate (15-1) is fixedly connected with a first connecting piece (13), a plurality of fixed rods (15-2) are fixed on the outer edge of the right side wall of the bottom plate (15-1) in an equiangular mode, the other ends of the fixed rods (15-2) are respectively fixed on the left side wall of the fixed rings (15-3), threaded rods (24) are screwed to the middle ends of the fixed rods (15-2) through threads, abutting contact plates (25) are fixed to the inner ends of the threaded rods (24), and second hand screws (26) are fixed to the outer ends of the threaded rods (24).

4. The ear drum support frame convenient for height adjustment according to claim 3, wherein: a soft cushion (27) is fixed at the inner end of the abutting plate (25).