TWM446140U - Foldable bicycle rear wheel rack - Google Patents

Description

Foldable bicycle rear wheel frame

The present invention relates to a component for folding a bicycle, and more particularly to a foldable bicycle rear wheel frame.

The conventional folding bicycle system has various folding styles. The existing folding bicycle system has a frame, and the front and rear ends of the frame can be respectively divided into a front wheel frame and a rear wheel frame. And a front wheel and a rear wheel are respectively added to the front wheel frame and the rear wheel frame, and a folding portion is disposed between the front wheel frame and the rear wheel frame, so that the frame can be supported by the folding portion After folding, the front wheel frame and the rear wheel frame are superposed, thereby shortening the length of the frame and making the frame smaller in size and easy to store.

The distance between the folded portion of the frame and the front wheel frame and the rear wheel frame is different, so that the front wheel frame and the rear wheel frame are bulky after being folded, and the front and rear wheel frames cannot be adjusted. The front and rear misalignment between the front wheel and the rear wheel makes the user less likely to carry, and it is necessary to improve and strengthen.

In order to solve the problem that the front frame of the existing frame and the rear wheel frame are relatively large and can not be adjusted to improve the misalignment of the front and rear wheels, the main purpose of the present invention is to provide a foldable bicycle rear wheel frame which is attached to the rear wheel. The frame body is provided with a limiting member and a sliding mechanism, and can be assembled or unfastened with different binding buckles, so that the rear wheel carrier body can be folded and adjusted, thereby reducing the folded volume and solving the problem. Misalignment of the rear wheel problem.

The technical means used in the present invention is to provide a foldable bicycle rear wheel frame, comprising: a rear wheel frame body comprising a rod body and a rear fork frame, the rod body having a pivotal connection at the bottom of one end The rear fork frame is pivotally coupled to the pivoting portion of the rod body to form an expandable state of the rod body and the rear fork frame; and a limiting member having a sliding portion a slot, one end of the limiting member is disposed in the rear fork frame, one end of the sliding slot is disposed in the rod body, and a fixing pin disposed in the sliding slot is disposed in the rod body; a sliding mechanism, the sliding mechanism includes a fixing base, a push rod and a slider, the fixing seat is disposed in the rod body and located below the limiting member, and the pushing rod is erected through the fixing seat a side portion connected to the slider, the slider is slidably disposed on the fixing base, and a push button disposed on the outside of the rod body is connected to one side, and the push button system can push the slider Move away from the limiter and release the limiter.

In the above-mentioned foldable bicycle rear wheel frame, a combination seat is protruded from the outer periphery of the rod body, and an assembly space is formed inside the combination seat, and the rear fork frame is disposed at a position corresponding to the combination body of the rod body. A fastening seat is protruded, and a fastening space corresponding to the assembly space of the rod body is formed inside the rear fork frame.

The above-mentioned foldable bicycle rear wheel frame, wherein a binding buckle is further disposed on the top of the rear wheel frame body, and the joint fastening device is respectively disposed on the combination seat of the rod body and the buckle seat of the rear fork frame. And the binding buckle is in a state of being detachable.

The above-mentioned foldable bicycle rear wheel frame, wherein the rod system of the rear wheel carrier body forms a fixing seat at the top, and a pair of pivoting seats are protruded on one side of the fixing seat, which is different from the other provided with the pivoting seat One side is provided with a fastening seat, and the rear carrier body is followed by a fastening seat at a position corresponding to the fixing seat of the rod body.

The above-mentioned foldable bicycle rear wheel frame, wherein the top of the rear wheel frame body is further provided with a joint buckle, the joint buckles are respectively disposed on the pair of pivot seats of the rod body, and can surround the rear fork The buckle seat of the frame is fixed to the fixing seat of the rod body, and the joint buckle is in a state of being detachably movable.

The creation utilizes the foldable bicycle rear wheel frame provided, and the enhancement effect can be obtained by the creation of a limit member and a sliding mechanism between the shaft body and the rear wheel frame of the rear wheel frame body, so that the rear wheel frame The body can be disassembled and unfolded by the limiting member, and the limiting member is fixed by the sliding mechanism to adjust the position of the rear wheel frame, and can be fastened with the fastening device, and then matched with the front wheel frame. To change the position between the front and rear wheels to match the folding of the bicycle, the effect of reducing the volume of the bicycle after folding can be achieved.

In order to be able to understand in detail the technical features and practical functions of the present invention, and can be implemented in accordance with the contents of the specification, and further illustrated in the preferred embodiment shown in the following figure, the following is a post-folding bicycle. For the wheel carrier, please refer to the first preferred embodiment shown in FIG. 1 to FIG. 4, which includes a rear wheel carrier body 10, a binding buckle 20, a limiting member 30 and a sliding mechanism 40. As shown in FIG. 1 and FIG. 2, the rear carrier body 10 includes a rod body 11 And a rear fork frame 12, as shown in FIG. 3 and FIG. 4, the rod body 11 is a curved rectangular rod body, and a pivoting portion 111 is protruded from the bottom of one end, and the pivoting portion 111 has a pivot The shaft hole 1110 is formed on the outer periphery of the rod body 11 to form a combination seat 112. The two sides of the assembly base 112 respectively have a through hole 1120. An assembly space 113 is formed inside the assembly seat 112. The elliptical opening 114 is formed on the two sides of the elbow, and an accommodating space 119 is formed in the interior of the shank 11. The shank 11 is pivotally coupled to the rear yoke by the pivoting portion 111. The bottom end of one end of the 12 is pivoted through a pivot hole 1110 of the pivoting portion 111 so that the rear fork frame 12 can pivot with the pivot shaft 121 as a center of rotation. The rear fork frame 12 is opposite. A fastening seat 122 is protruded from the position of the combination seat 112 of the rod body 11. The fastening seat 122 is formed in the central recess to form a groove 1221, and a buckle is formed on both ends of the side of the fastening seat 122. The slot 1222 defines a fastening space 123 corresponding to the accommodating space 119 of the rod body 11 in the interior of the rear fork frame 12.

As shown in FIG. 2 and FIG. 3 , the binding clip 20 is disposed at the top end of the rear wheel carrier body 10 , and the fastening clip 20 includes a latching member 21 , a fastener member 22 and a pull handle 23 . The latching member 21 is a block having an inverted U-shaped cross section, and has a pivot hole 210 on each side of the latching member 21, and the latching member 21 is disposed in the assembly space 113 of the assembly base 112. And the two through holes 1120 of the combination seat 112 and the two pivot holes 210 of the elastic member 21 are disposed on the rotating shaft 211, so that the elastic member 21 is pivotally coupled to the combined seat 112, and the elastic member 21 is tied to A hook portion 212 is formed at one end of the hook portion, and a pressing portion 213 is formed at one end of the hook portion 212. The bottom portion of the pressing portion 213 is connected to one end of the spring 214, and the spring 214 is different. Attached to the top surface of the rod body 11 at one end of the elastic member 21, when the pressing of the elastic member 21 is pressed In the portion 213, the hook portion 212 of the latch member 21 can be lifted, and when the pressing is released, the spring member 214 is returned to the original position by the spring 214.

As shown in FIG. 3 and FIG. 4 , the fastener member 22 is provided with a rotating shaft 211 coupled to the elastic member 21 . The fastening member 22 includes a connecting rod 221 , a pressing member 222 , a spring 223 , and a fixing nut 224, the connecting rod 221 has a pivoting portion 2210 at one end, and the shaft of the connecting rod 221 is sleeved and coupled with the pressing member 222 and the spring 223, and the pressing member 222 is a hollow cylinder. Forming a pressing surface 2221 of the recessed portion on the side of the pivoting portion 2210, and passing the connecting rod 221 to the rotating shaft 211 of the latching member 21 at an end different from the end portion of the pivoting portion 2210. The fixing nut 224 is screwed to the spring 223 and the fixing screw 222 respectively abut against the two sides of the rotating shaft 211; the pulling handle 23 is eccentrically pivotally coupled to the connecting rod by a cam portion 231 The pivoting portion 2210 of the 221, and the cam portion 231 can abut against the pressing surface 2221 of the pressing member 222.

As shown in FIG. 3 and FIG. 4 , the fastening clip 20 is fastened to the buckle slot 1222 of the fastening seat 122 in the fastening state, and the fastener member 22 is placed thereon. In the recess 1221 of the latching seat 122, the handle 23 is pulled to a horizontal state, and the pressing member 222 of the handle 23 that is pushed against the fastener 22 by the cam portion 231 is pressed against the The inner side surface of the buckle seat 122 is such that the rod body 11 and the rear fork frame 12 can be pressed against each other.

As shown in FIG. 3 and FIG. 4, the limiting member 30 is a block having a hollow curved shape, and has a curved arc chute 31 corresponding to the outer shape, and the limiting member 30 is disposed at one end. The shackle space 119 of the yoke frame 12 is disposed in the accommodating space 119 of the yoke 11 and is disposed at the other end. The rear fork frame 12 and the shaft 11 show The opening angle can be limited by the limiting member 30.

As shown in FIG. 3 and FIG. 4 , the sliding mechanism 40 is fixed in the rod body 11 , and the sliding mechanism 40 includes a fixing base 41 , a push rod 42 , a spring 43 and a slider 44 . The fixing base 41 is disposed in the accommodating space 119 and is disposed under the limiting member 30. The fixing base 41 is formed with a through hole 410 in the axial direction at an upright side. And a slide rail 411 extending in the axial direction, the push rod 42 is inserted through the through hole 410 of the fixing base 41 at one end, and the spring 43 is sleeved and coupled to the slider 44. The slider 44 is slidable. The push button 411 is disposed on the sliding rail 411, and a push button 441 is disposed on each side of the slider 44. The push button 441 is disposed on the outer side of the rod body 11 and passes through the sliding port 114 of the rod body 11 to When the rear wheel carrier is in the unfolded state of FIG. 6 , the sliding mechanism 40 is located below the limiting member 30 to limit the actuation of the limiting member 30. The rear fork frame 12 and the rod body 11 can be restrained and fixed in the unfolded state, and when the push button 441 is pushed to push the slider 44 away from the limit member 30, the limit member 30 is released from the limit. When the push button 411 is released, the slider 44 will be pushed by the spring 43 to the limit member 30, as shown in FIG. The offset can provide the effect of the positioning of the limiting member 30.

The embodiment of the first preferred embodiment of the present invention is as shown in FIG. 5 to FIG. 8 : as shown in FIG. 5 , which is an action flow for releasing the snap-fit state, first pulling the handle 23 toward the counterclockwise direction. The cam portion 231 of the pull handle 23 is disengaged from the pressing surface 2221 of the pressing member 222. After the pressing member 222 reduces the thrust of the pulling handle 23, the pressing force of the spring 223 is released from the engaging seat. The inner side of the 122 causes the fastener member 22 to be pulled, and then Then, the fastener 22 is pulled in the counterclockwise direction with the rotating shaft 211 as a center of rotation, so that the fastener 22 is disengaged from the fastening seat 122.

As shown in FIG. 6 , the pressing portion 213 of the elastic member 21 can be lightly pressed to release the hook portion 212 of the elastic member 21 from the buckle groove 1222 of the fastening seat 122 . The rod body 11 and the rear fork frame 12, due to the lack of restraint of the binding clip 20, and the weight of the rear fork 12 itself is pulled downward, so that the rear fork 12 can be deployed in the clockwise direction with the pivot 121 as the center of rotation, and The combination of the positional member 30 causes the rear fork frame 12 to be unfolded after being extended to a certain angle. At this time, the slider 44 is pushed by the elastic force of the spring 43 to the lower side of the limiting member 30 to fix the The unfolded state of the rear fork frame 12, that is, the rear carrier body 10 in an unfolded state as shown in FIGS. 7 and 8 can be obtained.

With the rear wheel body 10 of the present invention, the rear fork frame 12 can be adjusted with the position of the rod body 11 and deployed to a specific angle to adjust the distance between the front and rear wheels to match the deployment of the rear fork frame 12. Adjusting to correspond to the front wheel frame, so that the front and rear wheels can be overlapped, so as to achieve the main claim of reducing the overall size of the frame and being easy to carry, is quite convenient and practical, and the rod body 11 and the rear fork frame 12 can In combination with the front and rear wheels, due to the force of the front and the rear at the same time, the rod body 11 and the rear fork frame 12 will be even if the fastening device 20 is not fastened and fastened during riding. Because they are relatively close to each other due to the force of the front and rear, they are not opened at random and there is no doubt about safety.

The second preferred embodiment of the present invention is shown in FIG. 9 to FIG. 12 , wherein the limiting member 30 and the sliding mechanism 40 are the same as the first preferred embodiment, with the difference that the combination of the rear carrier body 10A and the bonding buckle 20A is Different ways, wherein: as shown in FIG. 9 and FIG. 10, the rod body 11A of the rear wheel carrier body 10A is tied to A fixing seat 115 is formed on the top portion. The fixing seat 115 is different from the combination seat 112 of the first preferred embodiment. A positioning groove 1151 is formed on the inner side of the fixing base 115 and is on one side of the fixing base 115. A pair of pivoting seats 116 are convexly disposed, and a fixing seat 117 is disposed on the other side of the pivoting seat 116. The fixing seat 117 has a concave edge 1171 for clamping, and the fixing seat The top of the frame is pivotally provided with a fastening member 118; the rear carrier body 10A is followed by a fastening seat 124 at a position corresponding to the fixing base 115 of the rod body 11A, and the fastening seat 124 is A semi-cylindrical seat body is provided with a positioning block 1241 protruding from the inside of the fastening seat 124. The positioning block 1241 can be formed with a positioning slot 1151 of the fixing base 115 corresponding to the card. The top of the seat 124 is recessed to form a fastening recess 1242. The fastener 118 of the rod body 11A can be correspondingly fastened to the fastening recess 1242 so that the rod 11A and the rear fork 12A can be engaged with each other. .

The binding buckle 20A is a three-point combination and a laterally-clamped buckle. Unlike the fastening type of the fastening buckle 20 in the first embodiment, the fastening buckle 20A can be used to flip the pivoting pivot. The coupling bracket 20A is coupled to the pair of pivoting seats 116 of the rod body 11A. The coupling clip 20A includes a pivoting frame 24, a toggle button 25 and a wrench member 26, and the pivoting frame 24 is curved. The frame body has a first end 241 and a second end 242, and the pivoting frame 24 is rotatably pivoted to the pair of pivoting seats 116 by the first end 241, and can be engaged with the buckle. The outer periphery of the fastening frame 124 is recessed to form a receiving groove 243. The button 25 has an outer shape corresponding to the curved shape of the pivoting frame 24 and has a pivoting end 251 and a pivoting slot 252 adjacent to the pivoting end 251, the toggle 25 is rotatably pivotally connected to the second end 242 of the pivoting frame 24 by the pivoting end 251 The arranging member 243 is disposed in the pivoting groove 243 of the pivoting frame 24, and the arranging member 26 is pivotally connected to the pivoting slot 252 of the toggle button 25 at one end. The end of the pivoting portion is formed with a rectangular through hole 261, and a locking rod 262 is formed in the through hole 261, and a fastening space 263 is formed between the locking rod 262 and the through hole 261. The fastener member 26 can be engaged with the concave edge 1171 of the fastening seat 117 by the clamping rod 262, and the fastening space 263 is placed in the fastening seat 117 to form a positioning.

As shown in FIG. 9 and FIG. 10, when the rear carrier body 10A is in a connected state, the rod body 11A and the rear fork frame 12A are fastened to the fastening seat 124 by the fasteners 118 for fixing, and At the same time, the binding buckle 20A is surrounded by the periphery of the fastening seat 124, and is fastened to the fastening seat 117 to be fixed; as shown in FIG. 11, when the rear carrier body 10A is to be separated, the combination is The toggle button 25 of the buckle 20A is cocked and pushed toward the position of the locking seat 117, so that the lever 262 of the fastener member 26 can be disengaged from the concave edge 1171 of the fastening seat 117, and the trigger member 26 is caused. The entire body is detached from the locking seat 117, and the pivoting frame 24 is turned outwards with the pair of pivoting seats 116 of the rod body 11A as the center of rotation. At this time, the rod body 11A and the rear fork frame 12A can be completely released. After the binding of the fastening device 20A, the fastening member 118 is disengaged from the fastening seat 124 of the rear fork frame 12A, that is, the rear carrier body 10A can be deployed as shown in FIG. 12, and other related The operation of the limiting member 30 and the sliding mechanism 40 is identical to that of the first preferred embodiment, and therefore will not be described in detail.

Secondly, since the fastening direction of the binding clip 20A is perpendicular to the direction of the bicycle load, the binding buckle 20A is not released due to factors such as load and vibration when the bicycle is driven, and can be improved. Stability and ride safety of the overall rear wheel frame structure.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Anyone having ordinary knowledge in the technical field may use the present invention without departing from the technical features of the present invention. Equivalent embodiments of the local changes or modifications made by the technical content disclosed herein are still within the scope of the features of the present invention.

10, 10A‧‧‧ rear wheel frame body

11, 11A‧‧‧ rod body

111‧‧‧ pivotal department

1110‧‧‧Pivot hole

112‧‧‧ combination seat

1120‧‧‧Perforation

113‧‧‧Assembly space

114‧‧‧Slip

115‧‧‧ Fixed seat

1151‧‧‧ positioning slot

116‧‧‧ pivot seat

117‧‧‧Card seat

1171‧‧‧ concave edge

118‧‧‧Developer

119‧‧‧ accommodating space

12, 12A‧‧‧ rear fork

121‧‧‧ pivot

122‧‧‧ buckle seat

1221‧‧‧ depends on the slot

1222‧‧‧ buckle groove

123‧‧‧Scheduled space

124‧‧‧ buckle seat

1241‧‧‧ Positioning block

1242‧‧‧Snap recess

20, 20A‧‧‧ combination buckle

21‧‧‧Snap fasteners

210‧‧‧ pivot hole

211‧‧‧ shaft

212‧‧‧ hook

213‧‧‧ Pressing Department

214‧‧‧ Spring

22‧‧‧ Pull fasteners

221‧‧‧ Connecting rod

222‧‧‧Resistance parts

2221‧‧‧Resistance surface

223‧‧ ‧ spring

224‧‧‧ fixed nuts

23‧‧‧ handle

231‧‧‧Cam Department

24‧‧‧ pivoting frame

241‧‧‧ first end

242‧‧‧ second end

243‧‧‧ slotting

25‧‧‧Toggles

251‧‧‧ pivot end

252‧‧‧ pivot slot

26‧‧‧Tie fasteners

261‧‧‧Perforation

262‧‧‧Card

263‧‧‧Scheduled space

30‧‧‧Limited parts

31‧‧‧Chute

32‧‧‧fixed pin

40‧‧‧Sliding mechanism

41‧‧‧ Fixed seat

410‧‧‧Perforation

42‧‧‧Put

43‧‧‧ Spring

44‧‧‧ Slider

441‧‧‧ push button

1 is an external view of the first preferred embodiment of the present invention in a buckled state.

Figure 2 is a partial side elevational view of the first preferred embodiment of the present invention in a snapped state.

Figure 3 is an exploded view of the first preferred embodiment of the present invention.

Figure 4 is a partial cross-sectional view showing the first preferred embodiment of the present invention in a snapped state.

FIG. 5 is a flow chart showing the action of releasing the snap-fit state of the combined buckle in the present creation.

Fig. 6 is a flow chart showing the action of releasing the snap-fit state of the binding device in the present creation.

Fig. 7 is an external view showing the unfolded state of the first preferred embodiment of the present invention.

Figure 8 is another perspective view of the unfolded state of the first preferred embodiment of the present invention.

Figure 9 is an external view of the second preferred embodiment of the present invention in a buckled state.

Figure 10 is a partially exploded view of the carrier body and the engaging fastener after the second preferred embodiment of the present invention.

Figure 11 is a flow chart showing the action of the second preferred embodiment of the present invention.

Figure 12 is an external view of the second preferred embodiment of the present invention in an unfolded state.

10‧‧‧ Rear wheel frame body

11‧‧‧ rod body

12‧‧‧ Rear fork

20‧‧‧Binding clips

21‧‧‧Snap fasteners

22‧‧‧ Pull fasteners

23‧‧‧ handle

40‧‧‧Sliding mechanism

Claims (9)

A foldable bicycle rear wheel frame, comprising: a rear wheel frame body, comprising: a rod body and a rear fork frame, wherein the rod body has a pivoting portion protruding from a bottom of the one end, the rear fork frame being a pivot The shaft is pivotally coupled to the pivoting portion of the rod body to form an expandable state of the rod body and the rear fork frame; and a limiting member, the limiting member has a sliding slot, and one end of the limiting member is disposed on the shaft One end of the sliding groove is disposed in the rod body, and a fixing pin disposed in the sliding groove is disposed in the rod body; a sliding mechanism includes a fixing mechanism a seat, a push rod and a slider, the fixing seat is disposed in the rod body and located below the limiting member, the push rod is passed through the fixing seat to an upright side and is connected to the slider The slider is slidably disposed on the fixing base, and a push button disposed on the outside of the rod body is connected to one side, and the push button system can push the slider away from the limit member and release the limit. The piece is activated. The collapsible bicycle rear wheel frame of claim 1, wherein a combination seat is formed on the outer periphery of the rod body, and an assembly space is formed inside the assembly seat, and the rear fork frame is corresponding to the rod body. A combination seat is protruded from the position of the combination seat. The foldable bicycle rear wheel frame of claim 2, wherein a binding clip is further disposed on the top of the rear wheel frame body, and the joint buckles are respectively disposed on the combined seat and the rear fork of the rod body. The buckle is fastened, and the joint fastener is in a state of being detachable. The collapsible bicycle rear wheel carrier of claim 3, wherein the binding buckle comprises a spring fastener, a fastener, and a handle, the elastic fastener The rotating shaft is rotatably disposed in the assembly space of the assembly base, and is fastened to the fastening seat by one end, and the fastening component is threaded through the rotating shaft coupled to the elastic fastener, and includes a connecting rod a pressing member and a spring, the connecting rod is fixed to the rotating shaft at one end, the pressing member and the spring sleeve are sleeved on the connecting rod, one end of the spring abuts against the rotating shaft, and the other end is abutted In the pressing member, the handle is eccentrically pivotally coupled to one end of the connecting rod differently from the rotating shaft, and the cam portion can abut against the pressing member. The collapsible bicycle rear wheel frame of claim 1, wherein the rod system of the rear wheel carrier body forms a fixing seat at the top, and a pair of pivoting seats are convexly disposed on one side of the fixing seat. The other side of the pivoting seat is provided with a locking seat, and the rear carrier body is followed by a fastening seat at a position corresponding to the fixing seat of the rod body. The foldable bicycle rear wheel frame of claim 5, wherein the top of the rear wheel frame body is further provided with a joint fastener, the joint buckles are respectively disposed on the pair of pivoting seats of the rod body, and The fastening seat of the rear fork frame is fixed to the fastening seat of the rod body, and the fastening buckle is in a state of being disengageable. The collapsible bicycle rear wheel frame of claim 6, wherein the binding buckle is a three-point combination and a laterally-clamped buckle, and includes a pivoting frame, a toggle button and a wrench member. The pivoting frame is rotatably pivoted to the pair of pivoting seats at one end, and is engageable with the outer periphery of the fastening seat, and the toggle is pivotally connected to the pivoting frame at one end. Different from the one end of the pair of pivoting seats, the toggle button has a pivoting groove, and the triggering member is pivotally coupled to the pivoting groove of the toggle button at one end, and is fastened to the rod body at the other end. The card is fixed. The collapsible bicycle rear wheel frame of 6 or 7, wherein a fastening member is pivotally mounted on the top of the fixing seat, and a fastening recess is formed on the top of the fastening seat, and the fastening body of the rod body is The buckle can be correspondingly buckled in the fastening recess. The collapsible bicycle rear wheel carrier of claim 8, wherein a recessed positioning groove is formed on the inner side of the fixing seat, and a positioning block is protruded from the inner side of the fastening seat, and the positioning block is The corresponding card defines a positioning slot located in the fixed seat.