TWI646527B - Folding guitar support adjustment structure - Google Patents

Abstract

A support structure for a folding guitar, comprising a long strip-shaped T-shaped chute on the back of a body, and a first support rod is coupled to the back of the body by a first joint module. The first support rod can be swinged and positioned at an arbitrary angle, and a second support rod is coupled to the sliding slot by a second joint module, so that the second support rod can be swinged and positioned at an arbitrary angle, along the The sliding groove is positioned at any position and can be positioned at any position with respect to the linear displacement of the second combining module; thereby, the adjustment range of the first and second support rods can be greatly increased, so that the sliding groove can be applied to various shapes. The user can also adjust to the best support position according to the habits of each person and the style of playing.

Description

Folding guitar support adjustment structure

The invention relates to the technical field of the structure of a folding guitar, in particular to a user who can greatly increase the adjustment range of the first and second support rods, so that it can be applied not only to various body users, but also according to each The support adjustment structure of the folding guitar that adjusts to the best support position due to the habit of the person and the style of the playing.

Please refer to the "Folding Guitar" invention patent previously filed by the inventor of the Japanese Patent Application No. 105133797, the structure of which is mainly to lock a first support rod and a second support rod by two combined modules. The back of the body enables the first support bar and the second support bar to adjust the swing angle on the body to achieve the purpose of adjusting the support angle according to the actual needs of the individual and being convenient to carry.

However, the first support bar and the second support bar of the conventional folding guitar can only adjust the swing angle by the two combined modules combined with the fixed position of the body, so that the adjustment range is affected. Very large limit. Once the user's body is quite different or the user is accustomed to playing the guitar in a special posture, only adjusting the swing angle of the first support rod and the second support rod may not obtain good support, and may not be sufficient. demand. In particular, depending on the variety of playing styles, it is often necessary to use a variety of different postures, such as standing, kneeling, and sitting postures. Or other special postures, etc., and the conventional folding guitar can only adjust the support position reached by the swing angles of the first support rod and the second support rod. In view of the above, the present inventors have made efforts to carry out research and experiments on the above problems in the spirit of excellence, and have devised the present invention which can solve the above problems.

The main purpose of the present invention is to solve the problem that the first support bar and the second support bar of the conventional folding guitar can only adjust the swing angle, and the adjustment range of the support position is too small to be used.

The invention provides a support adjustment structure for a folding guitar, comprising a body, a first support rod, a second support rod, a first joint module and a second joint module. Wherein, the body is in the form of a long rod, and a long strip-shaped T-shaped chute is arranged on the back of the body away from the end of the piano. The first support rod has a long strip shape. The second support rod has a long strip shape. The first binding module is configured to couple the first supporting rod to the back of the body near the end of the piano, and the first supporting rod can be pivoted and positioned at an arbitrary angle by the first combining module. The second binding module is configured to be coupled to the sliding slot, and the second supporting rod can be pivoted at an arbitrary angle and moved along the sliding slot by the second coupling module. The position is fixed at any position, and the second support rod is linearly displaced relative to the second joint module to be positioned at any position.

The support adjustment structure of the folding guitar provided by the invention can adjust the swing angle and the relative distance of the first and second support rods, and can adjust the support height of the two ends of the second support rod, thereby greatly increasing the number One or two support rods Adjust the range so that it can be applied not only to users of all sizes, but also to the best support position depending on the habits of each person and the style of playing.

10‧‧‧Body

11‧‧‧Self-locking nut

12‧‧‧ trench

13‧‧‧With screws

14‧‧‧Limited Movies

15‧‧‧ gap

16‧‧‧Chute

17‧‧‧ Track

20‧‧‧First support rod

21‧‧‧ recess

22‧‧‧First perforation

23‧‧‧First groove

30‧‧‧second support rod

31‧‧‧ convex

32‧‧‧Second perforation

33‧‧‧second groove

40‧‧‧ first combined module

41‧‧‧Fixed bearings

410‧‧‧Fixed outer bearing ring

411‧‧‧Fixed inner bearing ring

42‧‧‧ fixing bolts

420‧‧‧Fixed head

421‧‧‧ drive slot

50‧‧‧Second combination module

51‧‧‧ Activity bolt

510‧‧‧ Slider

52‧‧‧Active bearings

520‧‧‧Active outer bearing ring

521‧‧‧Active bearing ring

53‧‧‧Active nuts

10a‧‧‧ body

12a‧‧‧Second trench

13a‧‧‧With screws

14a‧‧‧second limit film

15a‧‧‧Second gap

16a‧‧‧Second chute

20a‧‧‧First support rod

22a‧‧‧First perforation

23a‧‧‧first groove

40a‧‧‧ first combined module

41a‧‧‧ Activity bolt

410a‧‧‧ Slider

42a‧‧‧active bearings

43a‧‧‧ activities nuts

Figure 1 is a perspective exploded view of the present invention.

Figure 2 is a schematic enlarged view of the three-dimensional combination of the present invention.

Figure 3 is an enlarged cross-sectional view showing the first bonding module of the present invention.

Figure 4 is an enlarged cross-sectional view showing the second bonding module of the present invention.

Fig. 5 is a schematic view showing the angle adjustment operation of the first and second support rods of the present invention.

Fig. 6 is a schematic view showing the distance adjustment operation between the first and second support rods of the present invention.

Fig. 7 is a schematic view showing the height adjustment operation of the second support rod of the present invention.

Figure 8 is another embodiment of the chute of the present invention.

Figure 9 is a second embodiment of the present invention.

Figure 10 is a third embodiment of the present invention.

Referring to FIGS. 1 to 4, the support adjustment structure of the folding guitar of the present invention includes a body 10, a first support rod 20, a second support rod 30, and a first joint module. 40 and a second combining module 50. Wherein: the body 10 is in the shape of a long pole, and a self-locking nut 11 is coupled to the back of the tail, and a groove 12 parallel to the body 10 and having a strip shape is provided away from the end of the piano. The two opposite long sides of the opening of the groove 12 are respectively combined with the two limiting pieces 14 on the body 10 by a plurality of fastening screws 13 and the two limits are A gap 15 is formed between the sheets 14 that is slightly smaller than the one of the grooves 12, so that the gap 15 fits the groove 12 to form a strip-shaped and T-shaped one of the grooves 16 on the back surface of the body 10.

The first support rod 20 is in the form of a long strip and is disposed on the back of the body 10 near the end of the piano. The two long side shapes of the first support rod 20 correspond to the shape corresponding to the body 10, and a recess 21 is formed at one end of the first support rod 20 toward the head. The first support rod 20 is provided with a first through hole 22, and the outer end of the first through hole 22 has a first groove 23 of a larger aperture.

The second support rod 30 is in the form of a long strip and is disposed on the back of the body 10 away from the end of the body. The two long sides of the second support rod 30 correspond to the shape corresponding to the body 10. And a convex portion 31 corresponding to the shape of the concave portion 21 is formed at one end of the second support rod 30 toward the first support rod 20, and the convex portion 31 is just allowed to be relatively embedded in the concave portion 21. The second support rod 30 is provided with a second through hole 32 extending through the strip shape. The outer end of the second through hole 32 corresponds to a second recess 33 having a large aperture and being elongated.

The first bonding module 40 includes a fixed bearing 41 and a fixing bolt 42. The fixed bearing 41 includes a fixed outer bearing ring 410 and a fixed inner bearing ring 411. The fixed outer bearing ring 410 is embedded and fixed in the first groove 23, and the fixing is fixed. The outer diameter of the inner bearing ring 411 is designed to be smaller than the diameter of the first through hole 22 to avoid interference with the rotation of the fixed inner bearing ring 411. The fixing bolt 42 has an inner end which is screwed through the fixed inner bearing ring 411 of the fixed bearing 41 and is screwed on the self-locking nut 11 . The outer end of the fixing bolt 42 has a larger outer diameter. The fixed head 420 of the diameter is pressed against the fixed inner bearing ring 411. The fixed head 420 is completely recessed in the first groove 23 and has an outer diameter smaller than the fixed outer bearing ring 410 to avoid The fixed head 420 interferes with the rotation of the fixed outer bearing ring 410. The outer surface of the fixed head 420 has a driving groove 421 which is a hexagonal groove for the hex wrench to be screwed or unscrewed.

The second binding module 50 includes a movable bolt 51, a movable bearing 52 and a movable nut 53. The movable bolt 51 is disposed in the gap 15 and the second through hole 32, and has a larger outer diameter at one end and a rectangular slider 510 for slidingly embedded in the groove 12, and the sliding Block 510 can only slip within the groove 12 and cannot rotate. The movable bearing 52 includes a movable outer bearing ring 520 and a movable inner bearing ring 521 that are coaxially rotatable, and the movable outer bearing ring 520 is slidably embedded in the second groove 33, and The outer diameter of the inner bearing ring 521 is designed to be smaller than the diameter of the second perforation 32 to avoid interference with the movable inner bearing ring 521. The movable nut 53 is hexagonal and screwed onto the movable bolt 51 and completely recessed in the second groove 33. The outer diameter of the movable nut 53 is smaller than the movable outer bearing ring 520. The movable nut 53 is prevented from interfering with the rotation of the movable outer bearing ring 520.

It can be seen in the third figure that the tightness of the fixing bolt 42 can be adjusted to control the tightness of the first support rod 20 and the body 10 through the connection of the fixed bearing 41. Adjustments are made and the effect of adjusting the positioning can be produced by generating appropriate friction. When adjusting, the inner side surface of the fixing head 420 of the fixing bolt 42 is external to the fixed inner bearing ring 411 of the fixed bearing 41. On the side surface, when the first support rod 20 is swung, only the fixed outer bearing ring 410 of the fixed bearing 41 disposed thereon can be rotated relative to the fixed inner bearing ring 411, so that the fixing bolt 42 is not caused. As the first support rod 20 rotates, it has better bonding strength.

As can be seen in FIG. 4, the second support rod 30 and the body 10 can be controlled by adjusting the tightness of the movable nut 53 to transmit the connection of the movable bolt 51 and the movable bearing 52. The degree of tension is so easy to adjust and the effect of adjusting the positioning can be produced by generating appropriate friction. When adjusting, the inner side surface of the movable nut 53 is abutted against the outer side surface of the movable inner bearing ring 521 of the movable bearing 52. Therefore, when the second support rod 30 swings, only the one disposed thereon can be driven. The movable outer bearing ring 520 of the movable bearing 52 rotates relative to the movable inner bearing ring 521, so that the movable nut 53 does not rotate with the swing of the second support rod 30, so that the joint strength can be better.

Referring to FIG. 5, it is pointed out that the first support rod 20 can adjust the swing angle of the first joint module 40 for the axis, and the second support rod 30 can be the shaft of the second joint module 50. The heart adjusts its swing angle to achieve the purpose of adjusting the support angle of the first and second support rods 20, 30.

Referring to FIG. 6 , it is pointed out that the second coupling module 50 can be slidably moved in the sliding slot 16 of the body 10 to adjust the second supporting rod 30 and the first The distance between the support rods 20, thereby achieving the purpose of adjusting the support distance between the first and second support rods 20, 30.

Please refer to Figure 7 for the second combination. The outer end of the movable bolt 51 of the module 50 and the movable bearing 52 are slidable in the second through hole 32 and the second recess 33 of the second support rod 30, so that the second support can be adjusted. The opposite ends of the rod 30 are away from the body 10, thereby achieving the purpose of adjusting the support height of the second support rod 30.

Please refer to FIG. 8 for another embodiment of the chute 16 of the present invention. It mainly uses a plurality of coupling screws 13 to join one of the elongated rails 17 in the back surface of the body 10, and the rail 17 has a T-shaped sliding groove 16 therein.

Referring to FIG. 9, a second embodiment of the support adjustment structure of the folding guitar according to the present invention is substantially the same as the above embodiment, and the difference lies in the back of the body 10a of the second embodiment. The second tail groove 12a is parallel and has a long strip shape at the end of the piano. The two opposite long sides of the opening of the second groove 12a are respectively combined with the plurality of screws 13a. The second limiting piece 14a is coupled to the body 10a, and maintains a second gap 15a between the two second limiting pieces 14a slightly smaller than the second groove 12a, so that the second gap 15a The second groove 12a is formed on the back surface of the body 10a to form a long T-shaped second chute 16a. The first through hole 22a and the first groove 23a on the first support rod 20a are formed in a strip shape. The first bonding module 40a is configured in the same structure as the second bonding module 50, and includes a movable bolt 41a, a movable bearing 42a and a movable nut 43a. The movable bolt 41a is disposed in the second gap 15a and the first through hole 22a, and has a larger outer diameter at one end and a rectangular slider 410a for slidingly embedded in the second groove 12a. The movable bearing 42a is slidably embedded in the first recess 23a in. The movable nut 43a is screwed to the movable bolt 41a. Therefore, the first support rod 20a can also be moved and adjusted along the second sliding slot 16a, and the first joint module 40a can be moved and adjusted along the first through hole 22a and the first recess 23a. To further increase its support adjustment range.

Referring to FIG. 10, it is a third embodiment of the support adjustment structure of the folding guitar according to the present invention, and the structure thereof is substantially the same as that of the second embodiment, except that the third embodiment is the groove. The groove 12 is integrally formed with the second groove 12a, and the two limiting pieces 14 are integrally formed with the two second limiting pieces 14a.

The support adjustment structure of the folding guitar provided by the present invention can adjust the swing angle and the relative distance of the first and second support rods 20 and 30, and can adjust the support height of the two ends of the second support rod 30, so The adjustment range of the first and second support rods 20, 30 is greatly increased, so that it can be applied not only to users of various body types, but also to the best according to the habits of each person and the difference in the style of playing. Support position.

Claims (9)

A supporting structure for a folding guitar comprises: a body having a long rod shape, and a trough-shaped trough having a T-shaped cross section at a rear of the body away from the end of the body, the chute The first support rod is in the form of a long strip; the second support rod is in the form of a long strip and is provided with a second perforation extending through the strip shape. The second perforating system is coaxial with the second supporting rod; a first coupling module is configured to couple the first supporting rod to the back of the body near the end of the piano, and the first supporting rod can be the first A coupling module is positioned at an arbitrary angle for the pivoting of the shaft; and a second coupling module is disposed in the second through hole and the sliding slot for coupling the second supporting rod to the sliding slot. And the second support rod can be positioned at an arbitrary angle by the second joint module, and can be positioned at any position along the sliding slot, and the second support rod can be aligned with the second combined module. The displacement is positioned at any position. The support adjustment structure of the folding guitar according to claim 1, wherein: the back of the body is coupled with a self-locking nut near the end of the body, the chute includes a groove located at the inner side and is located in the groove a first gap between the opening and having a smaller width; the first support rod is provided with a first through hole, the outer end of the first through hole has a first groove of a larger aperture; the second support rod The outer end of the second perforation corresponds to a second groove having a large aperture and being elongated; the first bonding module comprises a fixed bearing and a fixing bolt, and the fixing The fixed bearing comprises a fixed outer bearing ring and a fixed inner bearing ring which are coaxially rotatable relative to each other, and the fixed outer bearing ring is embedded and fixed in the first groove, and the outer diameter of the fixed inner bearing ring is fixed Designed to be smaller than the aperture of the first perforation to avoid interference with the rotation of the fixed inner bearing ring, the inner end of the fixing bolt can be screwed on the self-locking nut through the fixed inner bearing ring of the fixed bearing, a fixing head having a larger outer diameter at an outer end of the fixing bolt is pressed against the fixed inner bearing ring, and the fixing head is completely recessed in the first groove and the outer diameter is smaller than the fixed outer diameter a bearing ring to prevent the fixed head from interfering with the rotation of the fixed outer bearing ring; the second joint module includes a movable bolt, a movable bearing and a movable nut, the movable bolt is disposed in the gap and the first One of the two perforations, and one end having a larger outer diameter and having a rectangular shape, is slidably embedded in the groove, so that the slider can only slide in the groove, and the movable bearing includes Coaxially rotating one of the movable outer bearing rings and an activity a bearing ring, the movable outer bearing ring is slidably embedded in the second groove, and the outer diameter of the movable inner bearing ring is designed to be smaller than the diameter of the second perforation to avoid interference with the activity The inner bearing ring rotates, the movable nut is screwed onto the movable bolt and completely recessed in the second groove, and the outer diameter of the movable nut is smaller than the movable outer bearing ring to avoid the movable nut Interference into the outer bearing ring of the activity. The support adjustment structure of the folding guitar according to claim 2, wherein the outer side of the fixed head has a hexagonal driving groove, and the movable nut has a hexagonal shape. The support adjustment structure of the folding guitar according to claim 2, wherein the back of the body is provided with the groove away from the end of the piano, the groove is parallel to the body, and the opposite sides of the opening of the groove Long strips are combined with a plurality of screws at the long sides The two limiting pieces are coupled to the body such that the gap is formed between the two limiting pieces. A support adjustment structure for a folding guitar according to claim 1 or 2, wherein the back side of the body is coupled to one of the elongated rails by a plurality of coupling screws to form the chute. The support adjustment structure of the folding guitar according to claim 1, wherein the back side of the body is provided with a long strip and a T-shaped second chute near the end of the piano, and the second chute is The first support rod has a first through hole extending through the strip and the first through hole is coaxial with the first support rod, and the first joint module is disposed in the first a perforation and the second sliding slot, the first supporting rod can be moved and positioned at any position along the second sliding slot, and the first supporting rod can be linearly displaced relative to the first coupling module. Anywhere. The support adjustment structure of the folding guitar according to claim 6, wherein the second chute of the body comprises a second groove on the inner side and a second width on the second groove opening. a second gap; an outer end of the first through hole of the first support rod corresponds to a first groove having a larger aperture and being elongated; and an outer end of the second support of the second support rod has a corresponding a second aperture having a larger aperture and a strip shape; the first combination module and the second combination module have the same structure, each of which includes a movable bolt, a movable bearing and a movable nut, the two The movable bolts are respectively disposed in the second gap of the second sliding slot and the gap between the first through hole and the sliding slot and the second through hole, and one end has a larger outer diameter and is one of a rectangle a slider for slidingly embedded in the second groove of the second sliding slot and the In the groove of the sliding groove, and the two sliding blocks can only slide between the second groove and the groove respectively, the two movable bearings comprise a movable outer bearing ring which can be rotated coaxially and a movable inner bearing ring, the two movable outer bearing rings are respectively slidably embedded in the first groove and the second groove, and the outer diameters of the two movable inner bearing rings are designed to be smaller than the first a perforation and an aperture of the second perforation to avoid interference with the rotation of the two movable inner bearing rings, the two movable nuts are respectively screwed on the two movable bolts and completely settled in the first groove and the first Among the two grooves, the outer diameters of the two movable nuts are smaller than the two movable outer bearing rings to prevent the two movable nuts from interfering with the rotation of the two movable outer bearing rings. The support adjustment structure of the folding guitar of claim 6, wherein the chute is integrally connected to the first chute. The support adjustment structure of the folding guitar according to claim 1 or 6, wherein the first support rod is formed with a recess toward one end of the head, and the second support rod is formed with a corresponding recess toward one end of the first support rod. One of the convex shapes, such that the convex portion is just ready to be embedded in the concave portion.