CN207233376U - A kind of contrabass eyelid retractor - Google Patents
A kind of contrabass eyelid retractor Download PDFInfo
- Publication number
- CN207233376U CN207233376U CN201720961462.9U CN201720961462U CN207233376U CN 207233376 U CN207233376 U CN 207233376U CN 201720961462 U CN201720961462 U CN 201720961462U CN 207233376 U CN207233376 U CN 207233376U
- Authority
- CN
- China
- Prior art keywords
- strut
- contrabass
- screw rod
- eyelid retractor
- swivel nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of contrabass eyelid retractor, including pedestal, shaft is installed in pedestal, movable sleeve is connected to two struts in shaft, baffle is installed with the top of pedestal, the left and right sides of baffle is threaded with clamping bolt, swivel nut is provided with the inside of strut, swivel nut internal thread is connected with screw rod, and the outer wall of screw rod is socketed with the lantern ring.The utility model is by setting shaft, strut, screw rod, the lantern ring, bearing, pole, movable axis, spring, supporting rack, supporting pad, back cushion and adjusting bolt, by rotating strut, two struts are made to be rotated around shaft, so as to which eyelid retractor be opened, so as to reduce the center of gravity of eyelid retractor, strut drives spring elongation while rotating, screw rod is driven to be rotated in swivel nut by rotational lantern ring, so as to which screw rod is progressively left swivel nut, so as to further open strut, after strut opens, the side of contrabass is stuck on baffle, rotating bolt makes its clamping contrabass, prevent from rocking.
Description
Technical field
Musical instrument technical field is the utility model is related to, is specially a kind of contrabass eyelid retractor.
Background technology
At present, contrabass is widely applied to performance occasion as a kind of special musical instrument.Contrabass is violinist
The bowed stringed instrument that volume is maximum in race, pronunciation is minimum.It is the pillar of sound equipment in band, the basis of basic rhythm.Contrabass
180~220 centimetres of height are there are about, are similar to violoncello.Qin is put on the ground during performance, stands or leans against on stool and play.
Contrabass length is longer, and player needs the bottom on contrabass being supported on Special support device when playing
On, the bottom of existing eyelid retractor is typically an elongated supporting rod, consequently facilitating the angle of inclination of contrabass is arbitrarily adjusted,
It is smaller yet with the contact area on supporting rod and ground, so as to cause the crank of contrabass, can be caused when serious low
Sound violin rocks, so as to influence the performance of player.
Utility model content
In view of this, it is necessary to a kind of contrabass eyelid retractor is provided, solves process of the existing contrabass in performance
In due to the problem of crank causes contrabass easily to rock.
A kind of contrabass eyelid retractor, including pedestal, are provided with shaft in the pedestal, movable sleeve is connected in the shaft
Two struts, are installed with baffle at the top of the pedestal, and the left and right sides of the baffle is threaded with clamping bolt,
Swivel nut is installed, the swivel nut internal thread is connected with screw rod, and the outer wall of the screw rod is socketed with the lantern ring, institute on the inside of the strut
State side of the screw rod away from swivel nut and be connected with bearing, side of the bearing away from screw rod is connected with pole, and the pole is remote
The side of bearing is connected with movable axis, and spring is also fixedly connected with the pole, and the bottom of the strut is provided with hinge, institute
State and supporting rack is connected with hinge, supporting pad, the outside peace of support frame as described above are installed with the inside of support frame as described above
Equipped with back cushion, adjusting bolt is threaded with the strut, sleeve, the top of the sleeve are installed in the middle part of the strut
Telescopic spring is connected with, cushion is connected with the top of the Telescopic spring, the bottom of the strut is provided with bottom roller, the bottom roller
The left and right sides is socketed with supporting sleeve.
The contrabass eyelid retractor that the utility model provides makes two struts be rotated around shaft by rotating strut,
So as to which eyelid retractor be opened, so as to reduce the center of gravity of eyelid retractor, strut drives spring elongation while rotating, and passes through turning set
Annulus moves screw rod and is rotated in swivel nut, so that screw rod is progressively left swivel nut, so as to further open strut, works as branch
After bar opens, the side of contrabass is stuck on baffle, rotating bolt makes its clamping contrabass, prevents from rocking, bass carries
The bottom of qin is rested on supporting rack, and by rotating adjusting bolt, adjusting bolt is rotated around hinge, so as to right
The angle of supporting rack is adjusted, this eyelid retractor, as support, considerably increases contact area, so as to solve using Double bottom roller
The problem of existing contrabass eyelid retractor crank causes contrabass easily to rock.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model structural side view.
In figure：1 pedestal, 2 shafts, 3 struts, 4 plate washers, 5 clamping bolts, 6 swivel nuts, 7 screw rods, 8 lantern rings, 9 bearings, 10 sections
Bar, 11 movable axis, 12 springs, 13 hinges, 14 supporting racks, 15 supporting pads, 16 back cushions, 17 adjusting bolts, 18 sleeves, 19 are stretched
Spring, 20 cushions, 21 bottom rollers, 22 supporting sleeves, 23 anti-skidding cords, 24 non-slip mats.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
As shown in Figs. 1-2, the utility model provides a kind of technical solution：A kind of contrabass eyelid retractor, including pedestal 1,
Shaft 2 is installed, movable sleeve is connected to two struts 3 in shaft 2, and strut 3 and the angle of inclination of bottom roller 21 are 60-90 in pedestal 1
Degree, by rotating strut 3, makes two struts 3 be rotated around shaft 2, so as to eyelid retractor be opened, so as to reduce the weight of eyelid retractor
The heart, the top of pedestal 1 are installed with baffle 4, and the left and right sides of baffle 4 is threaded with clamping bolt 5, when strut 3 is opened
After opening, the side of contrabass is stuck on baffle 4, rotating bolt 5 makes its clamping contrabass, prevents from rocking, clamping bolt 5
Side be connected with non-slip mat 24, non-slip mat 24 is set, plays anti-skidding effect, the inner side of strut 3 is provided with swivel nut 6, swivel nut 6
Internal thread is connected with screw rod 7, and the outer wall of screw rod 7 is socketed with the lantern ring 8, and side of the screw rod 7 away from swivel nut 6 is connected with bearing 9, bearing
9 sides away from screw rod 7 are connected with pole 10, and side of the pole 10 away from bearing 9 is connected with movable axis 11, also solid on pole 10
Surely spring 12 is connected with, strut 3 drives spring 12 to stretch while rotating, and screw rod 7 is driven in swivel nut 6 by rotational lantern ring 8
Interior rotation, so that screw rod 7 is progressively left swivel nut 6, so as to further open strut 3, the bottom of strut 3 is provided with
Hinge 13, is connected with supporting rack 14 on hinge 13, the inner side of supporting rack 14 is installed with supporting pad 15, supporting rack 14
Outside is provided with back cushion 16, and adjusting bolt 17 is threaded with strut 3, and the bottom of contrabass is rested on supporting rack 14,
And by rotating adjusting bolt 17, adjusting bolt 17 is rotated around hinge 13, so as to the angle of supporting rack 14 into
Row is adjusted, and the middle part of strut 3 is provided with sleeve 18, and the top of sleeve 18 is connected with Telescopic spring 19, the top connection of Telescopic spring 19
Flexible pad 20, passes through being used cooperatively for sleeve 18, Telescopic spring 19 and cushion 20, the back of the body of the cushion 20 directly with contrabass
Faceplate panels portion contact, when running into vibrations, contrabass extruding cushion 20, cushion 20 extrude Telescopic spring 19, Telescopic spring 19 after
And the compression in sleeve 18, damping can be played the role of, the bottom of strut 3 is provided with bottom roller 21, this eyelid retractor uses Double bottom
Roller 21 considerably increases contact area, so that solving existing contrabass eyelid retractor crank causes bass as support
The problem of violin easily rocks, the left and right sides of bottom roller 21 are socketed with supporting sleeve 22, and the bottom of supporting sleeve 22 is welded with anti-sliding rib
Bar 23, sets anti-skidding cord 23, plays the role of increasing friction force, prevent eyelid retractor from skidding.
In use, by rotating strut 3, two struts 3 are made to be rotated around shaft 2, so as to eyelid retractor be opened, so as to drop
The center of gravity of low eyelid retractor, strut 3 drive spring 12 to stretch while rotating, and screw rod 7 is driven in swivel nut 6 by rotational lantern ring 8
Interior rotation, so that screw rod 7 is progressively left into swivel nut 6,, will after strut 3 opens so as to further open strut 3
The side of contrabass is stuck on baffle 4, and rotating bolt 5 makes its clamping contrabass, prevents from rocking, and the bottom of contrabass is leaned on
Lean against on supporting rack 14, and by rotating adjusting bolt 17, adjusting bolt 17 is rotated around hinge 13, so as to branch
The angle of support 14 is adjusted, this eyelid retractor, as support, considerably increases contact area, so as to solve using Double bottom roller 2
The problem of existing contrabass eyelid retractor crank causes contrabass easily to rock.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of contrabass eyelid retractor, including pedestal (1), it is characterised in that：Shaft (2), institute are installed in the pedestal (1)
State movable sleeve in shaft (2) and be connected to two struts (3), baffle (4), the baffle are installed with the top of the pedestal (1)
(4) the left and right sides is threaded with clamping bolt (5), and swivel nut (6), the swivel nut are provided with the inside of the strut (3)
(6) internal thread is connected with screw rod (7), and the outer wall of the screw rod (7) is socketed with the lantern ring (8), and the screw rod (7) is away from swivel nut (6)
Side be connected with bearing (9), side of the bearing (9) away from screw rod (7) is connected with pole (10), and the pole (10) is remote
The side for holding (9) off axis is connected with movable axis (11), and spring (12), the strut are also fixedly connected with the pole (10)
(3) bottom is provided with hinge (13), is connected with supporting rack (14) on the hinge (13), support frame as described above (14) it is interior
Side is installed with supporting pad (15), and back cushion (16) is provided with the outside of support frame as described above (14), and screw thread connects on the strut (3)
Adjusting bolt (17) is connected to, sleeve (18) is installed in the middle part of the strut (3), is connected with the top of the sleeve (18) flexible
Spring (19), is connected with cushion (20) at the top of the Telescopic spring (19), and the bottom of the strut (3) is provided with bottom roller (21),
The left and right sides of the bottom roller (21) is socketed with supporting sleeve (22).
A kind of 2. contrabass eyelid retractor according to claim 1, it is characterised in that：The bottom weldering of the supporting sleeve (22)
It is connected to anti-skidding cord (23).
A kind of 3. contrabass eyelid retractor according to claim 1, it is characterised in that：The side of the clamping bolt (5)
It is connected with non-slip mat (24).
A kind of 4. contrabass eyelid retractor according to claim 1, it is characterised in that：The strut (3) and bottom roller (21)
Angle of inclination be 60-90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961462.9U CN207233376U (en) | 2017-08-02 | 2017-08-02 | A kind of contrabass eyelid retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961462.9U CN207233376U (en) | 2017-08-02 | 2017-08-02 | A kind of contrabass eyelid retractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207233376U true CN207233376U (en) | 2018-04-13 |
Family
ID=61856306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720961462.9U Expired - Fee Related CN207233376U (en) | 2017-08-02 | 2017-08-02 | A kind of contrabass eyelid retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207233376U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI680452B (en) * | 2019-07-31 | 2019-12-21 | 王胤杰 | Struts for stringed instruments |
| CN111508452A (en) * | 2020-04-20 | 2020-08-07 | 潍坊工程职业学院 | Portable musical instrument |
-
2017
- 2017-08-02 CN CN201720961462.9U patent/CN207233376U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI680452B (en) * | 2019-07-31 | 2019-12-21 | 王胤杰 | Struts for stringed instruments |
| CN111508452A (en) * | 2020-04-20 | 2020-08-07 | 潍坊工程职业学院 | Portable musical instrument |
| CN111508452B (en) * | 2020-04-20 | 2022-03-08 | 潍坊工程职业学院 | Portable musical instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20180802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |