TWM554441U - Angle-adjustable structure of bicycle auxiliary handlebar - Google Patents

Description

Adjustable angle structure for auxiliary handles for bicycles

The present invention relates to a technical field related to bicycles, and in particular to an auxiliary handle of a bicycle, which can adjust the holding angle.

When the bicycle is used for racing purposes, an auxiliary handle is additionally connected to the handle or the handle riser, and the auxiliary handle is provided with an extension seat for fixing a guard seat on the extension seat, and the auxiliary handle is provided for the rider to Adjust the cycling position, such as the seat for the lower arm to temporarily support, and the effect of comfortable riding. For example, the new patent case of the invisible fixing device for bicycle auxiliary handles (No. M420474) is hereinafter referred to as a main seat and an auxiliary handle fixing part. The main seat is connected to the main handle of the bicycle. The auxiliary handle fixing portion includes an auxiliary handle fixing passage and an auxiliary handle fixing group, wherein the auxiliary handle fixing passage is for the auxiliary handle to protrude, and the auxiliary handle fixing portion is provided on the outer side as shown in FIG. The guard is fixed.

Referring to the previous case, an auxiliary handle fixing group is set, and the first and second pressing members are respectively inserted into the first and second accommodating grooves provided on the front and rear ends of the auxiliary handle fixing passage, and the lock is locked from the first The screw hole of the second pressing member is locked with the screw hole provided by the first pressing member, and then the auxiliary handle is inserted into the elliptical shape by the displacement hole between the first and second receiving slots, when the locking member is The screw holes of the second pressing member are interlocked with the screw holes provided by the first pressing member, and the first and second pressing members are pressed against each other. The first and second pressing members of the first and second pressing members are respectively inserted into the auxiliary handle fixing passages to jointly fix the auxiliary handles.

Although reference is made to the previous case, the auxiliary handle is used to fix the auxiliary handle, so that the pressing structure is hidden, but does not have the function of adjusting the angle. Because the rider's height is different and the wingspan is different, the auxiliary handle can't be adjusted according to the height difference of the rider's body. For example, the auxiliary handle can be adjusted to the difference in the angle of tilting or tilting, which lacks humanized engineering. design.

In addition, M481186 "Bike handle and auxiliary handle combination structure" new patent case <hereinafter: refer to the previous case 2>, which includes two lower joints, each lower joint has a first lower joint and two second a lower connecting portion; the first lower connecting portion is for connecting a bicycle handle. a second upper connecting base, each upper connecting seat has a first upper connecting portion, a second upper connecting portion and two third upper connecting portions; the first upper connecting portion is for connecting a bicycle auxiliary handle; the second upper portion The connecting portion is used to connect a retaining structure. Two connecting devices, each connecting device comprises two long screws, a set of seats, a pressing rod positioning seat, an auxiliary pressing rod and an auxiliary pressing plate; thereby, each long screw is used to penetrate the corresponding second a lower connecting portion and locked to the corresponding third upper connecting portion; the sleeve seat, the pressing rod positioning seat, the auxiliary pressing rod and the auxiliary pressure plate are vertically connected, and are located between the two screws and are located below Between the upper connecting seats, and for pressing and fixing the handle and the auxiliary handle between the first lower connecting portion and the first upper connecting portion, the bicycle handle and the height can be quickly assembled and increased between the handle and the auxiliary handle Auxiliary handle combination structure. Referring to the structure of the previous case 2, the height of the handle and the auxiliary handle can be adjusted, but the auxiliary handle still has no angle adjustment requirements such as tilting up and down tilting, and can only be changed in a single direction, and it is still difficult to meet the rider's desire to respond. Personalized multiple adjustment needs.

In view of the above problems, the creator further studies and develops. Therefore, the main purpose of the present invention is to provide an adjustable angle structure for an auxiliary handle for bicycles, which mainly uses an easy operation and a structure to achieve an auxiliary handle and an extension thereof. Seat, can adjust the angle of change according to individual needs, to meet the use of more yuan.

The present invention provides an adjustable angle structure for an auxiliary handle for a bicycle, comprising: an auxiliary handle, one end of which is detachably fixed with an extension seat, and the extension seat is provided with an adjustment protrusion on an outer side, the adjustment protrusion is worn a fixing hole is formed in a semi-spherical convex shape; each of the fixing seats corresponding to the auxiliary handle is fixed to one side of one end of the bicycle riser, and the fixing seat is provided at least through an assembly hole. The fixing seat faces the auxiliary handle, and an adjusting concave portion having a concave spherical surface is recessed along the circumferential side of the assembling hole, so that the adjusting concave portion cooperates with the adjusting convex portion to provide a plug member to enter the assembly hole for fastening The perforation of the convex portion is adjusted to loosen the bolt, that is, the auxiliary handle can be used to adjust the convex portion, and the adjustment angle of the auxiliary handle is changed relative to the adjusting concave portion.

The present invention provides another auxiliary handle adjustable angle structure for bicycles, which comprises: an auxiliary handle, one end of which detachably fixes an extension seat; and a fixing seat corresponding to the auxiliary handle, the fixing seat is fixed to One side of one end of the bicycle riser, the fixing seat faces the auxiliary handle, and a horizontal is arranged a long arc-shaped assembly hole, and an inner-shaped adjustment concave portion is recessed along the circumferential side of the assembly hole, whereby the adjustment concave portion and the adjustment convex portion are concave-convex, and a bolt is fastened to the adjustment through the assembly hole. The perforation of the protrusion is used to loosen the bolt, that is, the auxiliary handle can be adjusted in the range of the assembly hole.

The present invention provides a bicycle auxiliary handle adjustable angle structure, which comprises: an auxiliary handle, one end of which detachably fixes an extension seat, and the extension seat extends on one side of a cover 檐, the cover 檐a fixing hole is provided; each of the fixing seats corresponding to the auxiliary handle is fixed on one side of one end of the bicycle riser, the fixing seat is provided with a middle hole horizontally, and the top side is disposed with a middle hole and An elongated assembly hole is disposed in the middle hole, wherein the extension seat abuts against the top side of the fixing seat, and a bolt is aligned with the through hole and the assembly hole Inside the fixing seat, and fastening the locking post for controlling the covering jaw to be affixed and releasable to the fixing seat; thereby, the auxiliary handle is pulled in the loose state of the bolt, together with the extension seat The lock cylinder swings along the assembly hole to adjust the angle at which the auxiliary handle swings in the up and down direction.

Therefore, this creation can provide the following effects:

1. This creation is mainly based on the combination of a fixed auxiliary handle on both sides of the riser, and a relative displacement structure is provided between the fixed seat and the extension seat provided by the auxiliary handle, thereby controlling the auxiliary handle up or down or 10,000 The function of adjusting the angle of rotation is very practical and simple. For example, the extension seat of the present invention is provided with an adjustment convex portion, and the fixing seat is provided with an adjustment concave portion, and the convex portion and the adjustment concave portion are adjusted by the bolt member. The part, when it is loosened, can make the auxiliary handle produce a toggle angle adjustment function relative to the fixed seat, so the structure is simple and the utility is very practical.

2. The components of the creation are simple, only the mutual structure of the fixed seat and the extension seat are changed, and the adjustment is rapid. As long as the bolt is loosened and the auxiliary handle is released, the adjustment angle can be adjusted, so the adjustment is fast and stable. After the adjustment, the angle of the auxiliary handle relative to the fixed seat can be re-fixed only by fastening the bolt, so that the operation is simple.

3. If the adjusting convex portion and the adjusting concave portion between the extension seat and the fixing seat of the present creation are set as spherical concave-convex fitting, the multi-face angle function of the auxiliary handle with universal adjustment can be provided, and if the assembly hole is long grooved Or long hole shape, the auxiliary handle is adjusted to the upper and lower angles, and the adjustment angle has various changes.

10‧‧‧Auxiliary handle

11‧‧‧ first end

12‧‧‧ second end

13‧‧‧Guard seat

15‧‧‧Extension seat

16‧‧‧

17‧‧‧ plates

20, 201, 202‧‧‧Adjust the convex part

22‧‧‧Perforation

221‧‧‧Auxiliary perforation

23‧‧‧Overlay

231‧‧‧through holes

25‧‧‧Lock column

251‧‧‧Keyhole

30‧‧‧ Fixed seat

31‧‧‧ side projections

32, 37, 371, 381‧‧‧ assembly holes

321‧‧‧Small diameter hole

322‧‧‧ Large diameter hole

33,331, 332‧‧‧Adjust the recess

3321‧‧‧Top edge

38‧‧‧Medium hole

34‧‧‧Bolts

341‧‧‧Auxiliary bolts

35‧‧‧Washers

351‧‧‧ veneer

36‧‧‧ curved surface

3711‧‧‧Lock hole

40‧‧‧Riser

41‧‧‧Base

45‧‧‧Handle riser

The first figure is a perspective view of a first preferred embodiment of the present creation.

The second drawing is an exploded view of the three-dimensional element of the first preferred embodiment of the present invention.

The third drawing is a front view combined sectional view of the first preferred embodiment of the present creation.

The fourth drawing is a front enlarged sectional view of the first preferred embodiment of the present invention.

The fifth drawing is a front enlarged cross-sectional view of the adjustment angle of the first preferred embodiment of the present invention.

Figure 6 is an end elevational cross-sectional view of the adjusted angle of the first preferred embodiment of the present invention.

Figure 7 is a top cross-sectional view showing the adjustment angle of the first preferred embodiment of the present invention.

Figure 8 is an enlarged top cross-sectional view showing the adjustment angle of the seventh embodiment of the first preferred embodiment of the present invention.

The ninth drawing is an exploded view of the three-dimensional element of the second preferred embodiment of the present invention.

The tenth drawing is a front cross-sectional view of a second preferred embodiment of the present creation.

The eleventh drawing is an enlarged cross-sectional view of the second preferred embodiment of the present invention.

Figure 12 is an end elevational cross-sectional view of the second preferred embodiment of the present invention.

Figure 13 is another cross-sectional elevational view of the second preferred embodiment of the present invention.

Figure 14 is a perspective view of a third preferred embodiment of the present creation.

The fifteenth diagram is an exploded view of the three-dimensional element of the third preferred embodiment of the present invention.

Figure 16 is a front cross-sectional view of a third preferred embodiment of the present invention.

Figure 17 is a front elevational cross-sectional view of the third preferred embodiment of the present invention.

Figure 18 is an end elevational cross-sectional view of the third preferred embodiment of the present invention.

Fig. 19 is an enlarged perspective sectional view showing the adjustment angle of the third preferred embodiment of the present invention.

Figure 20 is a perspective view of a fourth preferred embodiment of the present creation.

The twenty-first drawing is an exploded view of the three-dimensional element of the fourth preferred embodiment of the present invention.

The twenty-second figure is a front view combined enlarged cross-sectional view of the fourth preferred embodiment of the present creation.

Twenty-third is a cross-sectional view of the fourth preferred embodiment of the present invention.

The twenty-fourth embodiment is an adjustment angle end cross-sectional view of the fourth preferred embodiment of the present invention.

The twenty-fifth drawing is another adjusted angle end cross-sectional view of the fourth preferred embodiment of the present creation.

The present invention is an adjustable angle structure for an auxiliary handle for bicycles. The present invention is illustrated by a plurality of embodiments. First, the first to eighth figures are the first embodiment. Please refer to the first, second and third figures first. The first embodiment comprises: an auxiliary handle 10, which is a rod body having a first end 11 at one end and a second end 12 extending obliquely at the other end, and an arm is fixed at the first end 11 Supporting seat 13; each of the extending seats 15 corresponding to the auxiliary handle 10, the extending seat 15 comprises a bundle of 16-shaped cross-sections of the bundle 16 extending on one side to form a horizontal plate 17, bundle 16 The first end 11 of the auxiliary handle 10 is inserted into the C-shaped opening of the bundle 16 so as to fit the bolt, and the inner diameter of the bundle 16 is reduced to firmly fix the auxiliary handle 10. The extension seat 15 is characterized by The inner closed surface protrudes from the adjusting convex portion 20, and the adjusting convex portion 20 displays a hemispherical convex surface in the first embodiment, and a through hole 22 communicating with the inner hole of the bundle 16 is disposed at the center, and the plate 17 is further The guard seat 13 for the auxiliary handle 10 is abutted and screwed to the upper; each of the fixing seats 30 corresponding to the auxiliary handle 10 is fixed The base 30 is fixed to one side of one end of the riser 40 of the bicycle. The two sides of the fixed seat 30 are horizontally protruded from the side protrusion 31. The fixing seat 30 is horizontally disposed through an assembly hole 32, and the assembly hole 32 is facing the auxiliary handle. The one end is a small diameter hole 321 and the other end is a large diameter hole 322. The fixing base 30 is at least an outer end surface of the small diameter hole 321 of the assembly hole 32, and an annular adjustment recess 33 is formed around the circumference of the assembly hole 32. a concave curved surface and a concave-convex fit with the adjustment convex portion 20, the large diameter hole 3 22, the inner end of the adjacent small diameter hole 321 has a radial surface, and a convex arcuate surface 331 is formed, thereby adjusting the concave portion 33 for the convex portion 20 of the extension seat 15 to be concave-convex, and assembling the large diameter hole 322 of the hole 32. For the insertion of the bolt 321 of the sleeve 35, the end of the bolt 321 passes through the small diameter hole 321 and is screwed into the through hole 22 of the adjustment protrusion 20 for fastening or loosening, and the large diameter hole 322 is The inner end surface is formed with a curved surface 36, and the aforementioned washer 35 is provided with a corresponding concave arc-shaped surface 351 corresponding to the curved surface 36, and the convex surface 351 and the curved surface 36 are correspondingly convex curved shape, and the auxiliary handle 10 is connected. The riser 40 is provided for laterally wearing a bicycle handle 45. The riser 40 is fixedly disposed on a side of one end of the rider, and a base 41 is fixedly disposed on the base of the fixed seat 30. The bolt is screwed from the side protrusion 31 toward the base 41, so that the fixing seat 30 is coupled to the riser 40, thereby assisting the handle 10 to utilize the adjustment protrusion 20 of the extension seat 15 to form an angle with respect to the adjustment recess 33 of the fixing seat 30. Adjust the changes.

Please refer to the fifth to sixth figures. When the auxiliary handle 10 is to adjust the up-and-down angle, the bolt 34 is loosened first, the fixed state of the auxiliary handle 10 and the fixed seat 30 is released, and the auxiliary handle 10 is moved to be attached to the guard 13 The extension seat 15 is pulled by the bolt 34 as a fulcrum, and the pulling process is slid by adjusting the convex portion 20 along the curved surface of the adjustment concave portion 33, and can be freely adjusted to the required angle, and then the bolt 34 is fastened. Recovering the fixed state of the auxiliary handle 10 and the fixing base 30, the upper and lower angles of the auxiliary handle 10 are easily adjusted; and at the same time, as shown in the seventh and eighth figures, a single operation flow for adjusting the concave portion 33 corresponding to the adjustment convex portion 20 is performed, while Profit The multi-directional rotation of the spherical surface of the adjustment convex portion 20 and the adjustment concave portion 33 is performed, thereby simultaneously adjusting the angle between the auxiliary handles 10 on both sides. Therefore, the present invention provides the auxiliary handle 10 with a multi-faceted angle adjustment function under a single operation.

In addition, if it is necessary to adjust the height at which the auxiliary handle 10 is attached to the riser 40, more than one spacer (not shown) may be stacked between the fixed base 30 and the base 41 of the riser 40 to allow the fixed seat. 30 The height adjustment position, together with the auxiliary handle 10 combined with the fixing seat 30, is also adjusted in height, which is very convenient.

Another second embodiment shown in the ninth, tenth, eleventh, twelfth, and thirteenth drawings is different in that the adjustment convex portion 201 of the auxiliary handle 10 is formed in a conical shape, and the fixing base 30 is in the second figure. The assembly hole 32 is formed as a horizontally long arc-shaped assembly hole 37, and the fixing base 30 faces the end surface of the auxiliary handle 10, and the circumferential side of the arc corresponding to the assembly hole 37 is set as an inner tapered adjustment recess 331, thereby assisting The adjustment convex portion 201 of the handle 10 adjusts the concave portion 331 to have a concave-convex conical surface, penetrates through the self-assembly hole 37 of the bolt 34 and is fastened in the through hole 22 of the adjustment convex portion 201.

In the second embodiment, when the angle is adjusted, as shown in the eleventh, twelfth, and thirteenth figures, the bolt 34 is loosened to release the fixed state of the auxiliary handle 10 and the fixed seat 30, and then the auxiliary handle 10 is moved to be attached to the guard. 13. The extension seat 15, together with the bolt 34, moves left and right along the long curved assembly hole 37. Since the assembly hole 37 has a long arc shape, when the auxiliary handle 10 is moved along with the bolt 34 to the assembly hole 37, At the right dead point, the second end 12 of the auxiliary handle 10 is at an upward angle, if the auxiliary handle 10 and the bolt 34 are moved to the assembly hole 37 at the left end of the drawing. When the second end 12 of the auxiliary handle 10 is inclined downward, the auxiliary handle 10 is moved through the assembly hole 37, and the limit stroke is moved within the range of the assembly hole 37, and the auxiliary handle 10 is moved up and down to adjust the angle, and the adjustment is completed. 34 can be.

The fourteenth, fifteenth, sixteenth, seventeenth, eighteenth, and nineteenth embodiments are the third embodiment, and the difference is that the adjustment convex portion 202 of the extension seat 15 is provided with two points of lower and upper distribution. The auxiliary through hole 221 and the through hole 22 are arranged to extend outwardly from the upper side of the convex portion 202 to form a triangular arc-shaped covering edge 23; and the fixing base 30 is disposed in the adjusting concave portion 332, and the top edge of the adjusting concave portion 332 corresponds to the covering layer 23 to form an arc. The top edge 3321 of the surface, when the adjustment concave portion 33 and the adjustment convex portion 202 are concave-convex, is also brought into contact with the top edge 3321 in a curved shape by the cover 23, thereby increasing the contact area of each other, and similarly, laminating The 檐23 and the top edge 3321 can also be set to be in a correspondingly inclined shape; further, the fixing seat 30 correspondingly adjusts the through hole 22 of the convex portion 202 and the auxiliary through hole 22, and each of them is provided with a long arc-shaped assembly hole 371 and a locking The hole 3711 is fixedly fitted to the adjusting recess 332 of the fixing base 30 by the adjusting protrusion 202 of the extending seat 15, and is locked into the through hole 22 of the adjusting convex portion 202 through the assembling hole 32 by the bolt 34, and the other auxiliary bolt 341 Then, the locking hole 371 of the fixing seat 30 is inserted out and locked in the auxiliary through hole 221 of the adjusting convex portion 202, so Seat 15 by the fixing base 30 are bonded to the riser 40.

When the angle of the auxiliary handle 10 is to be adjusted, the bolt 34 and the auxiliary bolt 341 are loosened, so that the auxiliary handle 10 and its extension seat 15 are pivoted with the bolt 34, and the bolt 34 is moved along the long curved assembly hole 371. Causing auxiliary The hand 10 moves up and down in an angular range with the long arc of the assembly hole 371.

Next, please refer to the twentieth, twenty-first, twenty-two, twenty-three, twenty-four, twenty-fifth diagrams as a fourth embodiment, wherein the extension seat 15 extends on one side of the bundle 16 The cover 檐 23 has a triangular arc shape, and the cover 檐 23 is provided with a constant hole 231, and the fixed seat 30 is provided with a middle hole 38 horizontally, and the top side is formed with a middle shape and a long shape. The assembly hole 381 is configured to provide a cylindrical locking post 25, and the locking post 25 is provided with an internal thread locking hole 251, and the locking post 25 is plugged into the hole 38 of the fixing base 30, and then coupled with the extension seat 15 The cover 檐 23 abuts against the top side of the fixing base 30, and the through hole 231 is aligned with the assembly hole 381, so that the end of the bolt 34 extends from the through hole 231 and the assembly hole 381 into the fixing seat 30, and is fastened to the lock. In the keyhole 251 of the post 25, the bolt 34 urges the cover jaw 23 against the mount 30.

Therefore, when adjusting the angle of the auxiliary handle 10, as shown in the twenty-third, twenty-fourth, and twenty-fifth figures, the bolt 34 is loosened first, so that the covering jaw 23 is loosened on the fixing seat 30, and then pulled. The auxiliary handle 10 is oscillated along with the extension seat 15, the bolt 34 and the lock cylinder 25 along the assembly hole 381, and serves as a fulcrum through the lock cylinder 25 in the middle hole 38, so that the operation of adjusting the angle of the auxiliary handle 10 is smooth and stable, such as As shown in the twenty-fourth figure, when the bolt 34 is moved to the left dead point of the assembly hole 381, the auxiliary handle 10 is lifted upward, and vice versa, when the bolt 34 is moved to the right dead point of the assembly hole 381. The handle 10 is tilted downwards, so that the auxiliary handle 10 can be adjusted within the range of the assembly hole 381, and the angle is adjusted. After the bolts 34 are fastened, the bolts 34 re-attach the cover jaws 23 against the fixing base 30 to complete the angle adjustment of the auxiliary handles 10.

Based on the above, the whole disclosed in this creation has industrial practicability and innovative benefits, and its structure has not been seen in various books or publicly used. It is in line with the requirements of new patent applications, so please ask the Bureau to give an early patent grant. prayer.

To be clear, the above is the specific embodiment of the creation and the technical principles applied. If the changes made according to the concept of this creation, the functional role produced by it does not exceed the spirit of the manual and the drawings. At the time, it should be combined with Chen Ming within the scope of this creation.

10‧‧‧Auxiliary handle

11‧‧‧ first end

12‧‧‧ second end

13‧‧‧Guard seat

15‧‧‧Extension seat

16‧‧‧

17‧‧‧ plates

20‧‧‧Adjusting the convex part

22‧‧‧Perforation

30‧‧‧ Fixed seat

31‧‧‧ side projections

32‧‧‧Assembled holes

33‧‧‧Adjusting the recess

34‧‧‧Bolts

35‧‧‧Washers

40‧‧‧Riser

41‧‧‧Base

Claims (15)

An auxiliary handle adjustable angle structure for bicycles, comprising: an auxiliary handle, one end of which is detachably fixed with an extension seat, the extension seat is provided with an adjustment protrusion on an outer side, and the adjustment protrusion is provided with a perforation. The adjusting protrusion is a semi-spherical convex shape; each of the fixing seats corresponding to the auxiliary handle is fixed to one side of one end of the bicycle riser, and the fixing seat is at least provided with an assembly hole, and the fixing seat is oriented The auxiliary handle is recessed along the circumferential side of the assembly hole, and an adjustment concave portion is formed in the concave spherical surface, so that the adjustment concave portion and the adjustment convex portion are concave-convex, and a plug member is inserted into the assembly hole to be fastened to the adjustment convex portion. The perforation of the portion is used to loosen the bolt, that is, the auxiliary handle can be used to adjust the convex portion, and the adjustment angle of the auxiliary handle is changed relative to the adjusting concave portion. The auxiliary handle adjustable angle structure for bicycle according to claim 1, wherein the auxiliary handle has a first end at one end and a second end that is obliquely extended at the other end, near the first end. Fixing a guard for the arm, and the extension includes a bundle of C-shaped cross-sections, the bundle being extended on one side for fixing the support, the bundle for the auxiliary handle The first end projects into and cooperates with the C-shaped opening of the bundle to secure the auxiliary handle. The auxiliary handle adjustable angle structure for bicycles according to the second aspect of the invention, wherein the two sides of the fixing seat protrude horizontally from one side of the protrusion, and the side protrusion is fixed to one of the protrusions on both sides of the riser. The assembly hole of the fixing base is a small diameter hole toward one end of the auxiliary handle, and the other end is a large diameter hole, and the adjustment concave portion is formed on the outer end surface of the small diameter hole. Adjustable angle knot of auxiliary handle for bicycle as described in claim 3 The large diameter hole of the fixing seat is inserted into the bolt with a gasket, and the end of the bolt is fastened through the small diameter hole and screwed to the perforation of the adjusting convex portion, and the large diameter is fastened. The inner end surface of the hole forms a curved surface, and the gasket is provided with a corresponding concave arc-shaped surface corresponding to the curved surface to cooperate with the curved surface. The auxiliary handle adjustable angle structure of the bicycle according to the first aspect of the invention, wherein the adjustment protrusion of the auxiliary handle is formed in a conical shape, and the assembly hole of the fixing seat is a horizontally long curved groove. The adjusting recess of the fixing seat on the circumferential side of the corresponding assembling hole is internally tapered corresponding to the adjusting convex portion, and penetrates from the assembling hole through the bolt and is fastened to the adjusting convex portion. Perforated. An auxiliary handle adjustable angle structure for bicycles, comprising: an auxiliary handle, one end of which is detachably fixed with an extension seat, the extension seat is provided with an adjustment protrusion on an outer side, and the adjustment protrusion is provided with a perforation. The adjusting convex portion is a convex shape of a half moon shape; each of the fixing seats corresponding to the auxiliary handle is fixed to one side of one end of the bicycle riser, and the fixing seat faces the auxiliary handle, and is provided with a horizontally long arc Forming an assembly hole, and an inner adjustment recess is recessed along the circumference side of the assembly hole, whereby the adjustment recess cooperates with the adjustment protrusion, so that a bolt is fastened to the adjustment protrusion through the assembly hole The perforation of the portion is used to loosen the bolt, that is, the auxiliary handle can be adjusted in the range of the assembly hole. The auxiliary handle adjustable angle structure of the bicycle according to the sixth aspect of the invention, wherein the extension seat is provided with an auxiliary perforation parallel to the underside of the perforation of the adjustment protrusion; the fixing seat is lower than the assembly hole Parallelly providing a locking hole aligned with the auxiliary perforation, the assembly hole is long arc-shaped on the end surface of the fixing seat; and the auxiliary hole is locked by the bolt through the assembly hole Then the lock hole is pierced and locked The auxiliary perforation is used to release the bolt and the auxiliary bolt, and the auxiliary handle is moved up and down by the range of the assembly hole. The auxiliary handle adjustable angle structure for bicycles according to claim 6, wherein the extension seat extends outwardly from the upper side to form a triangular arc-shaped covering jaw, and the fixing seat is disposed on the top edge of the adjusting concave portion. A top edge should be formed on the cover ,, and the adjustment recess can cooperate with the adjustment protrusion, and the contact surface can be increased by the cover 檐. The auxiliary handle adjustable angle structure for bicycles according to the eighth aspect of the invention, wherein the cover 呈 is in a curved contact type corresponding to the top edge. The auxiliary handle adjustable angle structure for bicycles according to the eighth aspect of the invention, wherein the cover raft has a corresponding oblique contact type with the top edge. The utility model relates to an auxiliary handle adjustable angle structure for bicycle, which comprises: an auxiliary handle, one end of which detachably fixes an extension seat, the extension seat extends on one side of a cover 檐, and the cover 设有 is provided with a consistent hole a fixing seat corresponding to the auxiliary handle, the fixing seat is fixed on one side of one end of the bicycle riser, the fixing seat is provided with a middle hole horizontally, and the top side is formed with a middle hole and is elongated Arranging a hole in which a lock post is disposed, the extension seat abuts against the top side of the fixed seat, and a bolt is aligned with the through hole, and the assembly hole extends into the fixed seat And fastening the lock post to control the cover shackle to be releasable and releasable to the mount; thereby, the auxiliary handle is pulled in the release state of the bolt, together with the extension seat, the lock cylinder Swing along the assembly hole range to adjust the angle at which the auxiliary handle swings in the up and down direction. The auxiliary handle adjustable angle structure for bicycles according to claim 11, wherein the cover cymbal is in the shape of a triangular arc. The auxiliary handle adjustable angle structure for bicycles according to claim 11, wherein the lock post is provided with a lock hole for screwing the end of the bolt. The auxiliary handle adjustable angle structure for bicycles according to claim 11, wherein the two sides of the fixing seat protrude horizontally from one side of the protrusion, and the side protrusion is fixed to one of the protrusions on both sides of the riser. On the pedestal. The adjustable angle structure of the auxiliary handle for bicycles according to the sixth aspect of the invention, wherein the two sides of the fixing seat protrude horizontally from one side of the protrusion, and the side protrusion is fixed to one of the protrusions on both sides of the riser. On the pedestal.