TWM458350U - Connection mechanism for bicycle - Google Patents

Abstract

A connection mechanism for a bicycle is described, which is suitable to connect a head tube of the bicycle to a frame body. The connection mechanism includes a head tube connector and a frame connector. The head tube connector includes a connecting seat, a retaining ring and a fastener. The connecting seat includes a rod part and a seat part. The rod part is used to put in the head tube of the bicycle. The retaining ring is screwed on an end of the rod part for compressing the head tube of the bicycle. The fastener is screwed on the retaining ring to keep the retaining ring positioned on the end of the rod part. The frame connector includes a cross rod, a shaft tube, a quick release assembly, a first clamping seat and a second clamping seat. The cross rod includes a pivot part. The shaft tube is used for connecting the cross rod and the connecting seat. The quick release assembly connects the pivot part with the seat part for adjusting the connection relation between the cross rod and the connecting seat. The first clamping seat and the second clamping seat are disposed on the two ends of the cross rod respectively.

Description

Bicycle link mechanism

The present invention relates to a coupling mechanism, and more particularly to a bicycle coupling mechanism.

The functions of wheelchairs and infant cars are mainly used to provide adults who are unable to walk or walk, or children to ride, and to promote the occupants to reach their destinations by others, achieving fast and convenient results. However, when the distance to the destination is long, or when there is a need to climb the road, the promoter must spend more time and energy to push the occupant to the destination, thus causing inconvenience and range of activities. Limited problem.

Therefore, there is a need for a mechanism that can reduce the pushing load of a wheelchair or a baby carriage and improve the driving efficiency to overcome the above disadvantages.

Therefore, one aspect of the present invention is to provide a bicycle coupling mechanism that can be quickly completed without destroying the structure of the original bicycle or frame body during installation.

Another aspect of the present invention is to provide a bicycle connecting mechanism that does not need to change the way of using the original bicycle, and pushes the bicycle body by riding the bicycle, thereby improving the time and effort required to directly push the frame body by walking. The problem, so it can improve convenience and increase the scope of activities.

Another aspect of the present invention is to provide a bicycle coupling machine The structure can improve the rider's handling and sensitivity, and enable the bicycle to adapt to the high and low undulating terrain while riding.

In accordance with the above objects of the present invention, a bicycle coupling mechanism is proposed for attaching a bicycle head tube to a frame body. The bicycle linkage mechanism includes a head pipe connector and a frame connector. The head tube connector is adapted to connect the bicycle head tube, and the frame connector is adapted to connect the frame body. The head tube connector includes a connector block, a positioning ring, and a lock. The connecting base includes a rod body portion and a seat body portion, wherein the rod body portion is disposed on the seat body portion and is configured to be disposed in the bicycle head tube. The positioning ring screw is disposed at an end of the rod body and is pressed against the bicycle head tube. The locking bolt is screwed onto the positioning ring to fix the positioning ring on the end of the rod body. The frame connector includes a crossbar body, a shaft tube, a quick release assembly, a first clamping seat and a second clamping seat. The crossbar body and the shaft body are vertically disposed, and the crossbar body comprises a first end, a second end and a pivoting portion, the first end is opposite to the second end, and the pivoting portion is located between the first end and the second end . The shaft tube is disposed in the pivoting portion and the seat portion to connect the crossbar body and the connecting seat. The quick release assembly connects the pivot portion and the seat portion to adjust the connection relationship between the crossbar body and the connecting seat. The first clamping seat is fixed at the first end of the crossbar body. The second clamping seat is fixed at the second end of the crossbar body.

In accordance with another embodiment of the present invention, the quick release assembly described above includes a shaft. The shaft is disposed in the shaft tube, and one end of the shaft is provided with a triggering member, and the other end is screwed in the positioning nut.

According to still another embodiment of the present invention, the bicycle coupling mechanism further includes a first bearing assembly and a second bearing assembly, wherein the first bearing assembly is mounted on one side of the pivoting portion, and the second bearing assembly is mounted on the pivoting portion. The other side. The first bearing assembly includes a first ball ring, a first positioning member and a first screw cap. The first ball ring is received in the first rim of the pivoting portion and sleeved on the shaft tube. The first positioning member is sleeved on the shaft tube at a side of the first ball ring opposite to the first ring edge. The first nut is screwed on the shaft tube and abuts against one side of the pivoting portion for fixing the first positioning member. The second bearing assembly includes a second ball ring, a second positioning member, and a second nut. The second ball ring is received in the second rim of the pivoting portion and sleeved on the shaft tube. The second positioning member is sleeved on the shaft tube at a side of the second ball ring opposite to the second ring edge. The second nut is screwed on the shaft tube and abuts against the other side of the pivoting portion for fixing the second positioning member.

According to still another embodiment of the present invention, the frame connector further includes a first quick release member and a second quick release member. The first quick release member is disposed on the first clamp. The second quick release member is disposed on the second clamp.

According to still another embodiment of the present invention, the crossbar body is a telescopic rod body.

According to still another embodiment of the present invention, the frame body is a wheelchair frame body, an infant frame body, a trolley frame body or a shopping cart frame body.

100‧‧‧Bicycle link mechanism

100a‧‧‧Bicycle link mechanism

130‧‧‧ head tube connector

131‧‧‧Connecting Block

131a‧‧‧ Body

131b‧‧‧ body

133‧‧‧ positioning ring

135‧‧‧Locker

150‧‧‧ frame connector

151‧‧‧cross body

152‧‧‧cross body

151a‧‧‧ first end

151b‧‧‧ second end

151c‧‧‧ pivotal department

151d‧‧‧First rim

151e‧‧‧second rim

153‧‧‧ shaft tube

155‧‧‧ quick release assembly

155a‧‧‧ shaft

155b‧‧‧Flip parts

155c‧‧‧positioning nut

157‧‧‧First holder

157a‧‧‧First quick release

159‧‧‧Second holder

159a‧‧‧Second quick release

170‧‧‧First bearing assembly

170a‧‧‧First ball ring

170b‧‧‧First positioning piece

170c‧‧‧first nut

190‧‧‧Second bearing assembly

190a‧‧‧Second ball ring

190b‧‧‧Second positioning parts

190c‧‧‧second nut

200‧‧‧Bicycle head tube

210‧‧‧Upper bearing set

210a‧‧‧上珠碗

210b‧‧‧上珠巢

230‧‧‧Lower bearing set

230a‧‧‧Bead Bowl

230b‧‧‧Next Pearl Nest

300‧‧‧ frame body

The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a bicycle coupling mechanism in accordance with an embodiment of the present invention.

2 is an exploded view of a bicycle coupling mechanism in accordance with an embodiment of the present invention.

Figure 3 is a diagram showing a bicycle company according to an embodiment of the present invention. Schematic diagram of the state of use of the knotting mechanism.

4 is a perspective view of a bicycle coupling mechanism according to another embodiment of the present invention.

Please refer to FIG. 1 and FIG. 2 , which are respectively a perspective view and an exploded view of a bicycle connecting mechanism according to an embodiment of the present invention. The bicycle coupling mechanism 100 of the present invention is mainly used to connect the bicycle head tube 200 and the frame body 300 (as shown in FIG. 3), and retain the original riding function of the bicycle to ride the bicycle trolley frame 300. The way to improve the mobility of the frame body 300. The aforementioned frame body 300 may be a wheelchair frame body, an infant frame body, a trolley frame body or a shopping cart frame body.

The bicycle coupling mechanism 100 of the present invention includes a head pipe connector 130 and a frame connector 150. Before installing the bicycle coupling mechanism 100, the bicycle handlebar and the front fork including the front wheel must be removed, so that the bicycle has the frame, the seat, the pedal structure and the rear wheel, and then the bicycle is connected. The head tube connector 130 of the mechanism 100 is coupled to the bicycle head tube 200, and the frame connector 150 is coupled to the frame body 300 to complete the installation. It is to be understood that the bicycle described above is a commonly used bicycle or electric bicycle, and its structure is well known to those skilled in the art, and therefore will not be described in detail in the present embodiment.

The head pipe connector 130 includes a connector seat 131, a positioning ring 133, and a lock 135. The connector 131 includes a rod portion 131a and a seat portion 131b. The rod portion 131a is provided on the seat portion 131b and is erected, for example, on the seat portion 131b. The rod body portion 131a is mainly for laying on the bicycle head tube 200 The connection seat 131 is connected to the bicycle head tube 200. The positioning ring 133 is screwed to one end of the rod body portion 131a. When the rod portion 131a is bored in the bicycle head tube 200, the end portion will pass out of the bicycle head tube 200, and is screwed on the end portion of the rod portion 131a through the positioning ring 133, and can be pressed against the bicycle head tube at the same time. 200, the bicycle head tube 200 is abutted against the seat portion 131b. The locking member 135 is screwed onto the positioning ring 133. When the positioning ring 133 is screwed on the rod portion 131a, the locking member 135 can fix the positioning ring 133 on the end of the rod portion 131a to prevent the positioning ring 133 from coming loose.

For the sake of clarity, the bicycle head tube 200 referred to in the present invention generally refers to the head tube structure of a general bicycle. Generally, the bicycle mainly connects the handlebar tube and the front fork through the head tube, and in order to facilitate the steering control of the bicycle head, in general A bearing set is arranged between the head pipe of the bicycle and the handlebar tube and the front fork. Therefore, in another embodiment, the upper bearing set 210 and the lower bearing set 230 are respectively provided at the upper and lower ends of the bicycle head tube 200 as shown in Fig. 2 . The upper bearing set 210 includes an upper bead bowl 210a and an upper bead nest 210b. The upper bead bowl 210a is assembled at an upper end of the bicycle head tube 200 for receiving the upper bead nest 210b. The lower bearing set 230 includes a lower bead bowl 230a and a lower bead nest 230b. The lower bead bowl 230a is assembled to the lower end of the bicycle head tube 200 for receiving the lower bead nest 230b. Therefore, when the rod portion 131a is bored in the bicycle head tube 200, the upper bearing set 210 and the lower bearing set 230 are respectively sleeved on the rod portion 131a, whereby the rod portion 131a and the bicycle head tube 200 can be lowered. Friction between.

The frame connector 150 includes a crossbar body 151, a shaft tube 153, a quick release assembly 155, a first clamping seat 157, and a second clamping seat 159. Crossbar 151 and rod The body 131a can be vertically disposed. The crossbar body 151 includes a first end 151a, a second end 151b, and a pivoting portion 151c. The first end 151a is opposite to the second end 151b, and the first clamping seat 157 and the second clamping seat 159 are respectively fixed on the first end 151a and the second end 151b. The first clamping seat 157 and the second clamping seat 159 are mainly used to mount the bicycle coupling mechanism 100 to the frame body 300. In an embodiment, the frame connector 150 further includes a first quick release member 157a and a second quick release member 159a. The first quick release member 157a is disposed on the first holder 157, and the second quick release member 159a is disposed on the second holder 159. The first clamping seat 157 and the second clamping seat 159 can be conveniently attached to the frame body 300 or detached from the frame body 300 by tightening or loosening the first quick release member 157a and the second quick release member 159a. .

The pivoting portion 151c is located between the first end 151a and the second end 151b. The cross member 151 and the base portion 131b are bored through the shaft tube 153, and the crossbar body 151 and the joint 131 can be connected to each other. The quick release assembly 155 is disposed between the pivoting portion 151c and the seat portion 131b for changing the connection relationship between the crossbar body 151 and the connecting base 131. The pivoting portion 151c and the seat portion 131b are urged to each other by tightening the quick release assembly 155, so that the crossbar body 151 and the connecting seat 131 are in a tightly connected state. Conversely, by loosening the quick release assembly 155, the crossbar body 151 and the connecting base 131 can be relatively rotated by the shaft tube 153.

In another embodiment, the quick release assembly 155 further includes a shaft 155a. The shaft 155a passes through the shaft tube 153, and both ends of the shaft 155a pass out of the shaft tube 153 and the seat portion 131b, respectively. One end of the shaft 155a is provided with a triggering member 155b, and the other end is screwed into the positioning nut 155c, whereby the quick release assembly 155 can be fixed between the pivoting portion 151c and the seat portion 131b.

As shown in FIG. 2, in another embodiment, the bicycle coupling mechanism 100 further includes a first bearing assembly 170 and a second bearing assembly 190. The first bearing assembly 170 and the second bearing assembly 190 are respectively disposed on opposite sides of the pivoting portion 151c. The first bearing assembly 170 includes a first ball ring 170a, a first positioning member 170b, and a first nut 170c. The first ball ring 170a, the first positioning member 170b and the first nut 170c are sequentially disposed on the shaft tube 153, and the first ball ring 170a is received in the first ring edge 151d of the pivoting portion 151c. . The first positioning member 170b is located on one side of the first ball ring 170a with respect to the first ring edge 151d. The first nut 170c is screwed on the shaft tube 153 and abuts against one side of the pivoting portion 151c for fixing the first positioning member 170b.

The second bearing assembly 190 includes a second ball ring 190a, a second positioning member 190b, and a second nut 190c. The second ball ring 190a, the second positioning member 190b and the second nut 190c are sequentially disposed on the shaft tube 153, and the second ball ring 190a is received in the second ring edge 151e of the pivoting portion 151c. . The second positioning member 190b is located on one side of the second ball ring 190a with respect to the second ring edge 151e. The second nut 190c is screwed on the shaft tube 153 and abuts against the other side of the pivoting portion 151c for fixing the second positioning member 190b. Thereby, the rotation between the crossbar body 151 and the connecting seat 131 can be made smoother through the first bearing assembly 170 and the second bearing assembly 190.

Please refer to FIG. 1 to FIG. 3 together, wherein FIG. 3 is a schematic view showing the use state of a bicycle connecting mechanism according to an embodiment of the present invention. The bicycle coupling mechanism 100 is coupled to the bicycle head tube 200 with a head pipe connector 130, and the frame connector 150 is interposed on the frame body 300. Although the bicycle has removed the handlebar, front fork and front wheel, the rest The bicycle part structure can still support the overall structure of the frame body 300 as the front of the bicycle, and replace the front wheel of the bicycle with the original wheel of the frame body 300, so that the bicycle still retains the riding function. At the same time, the rider controls the direction in which the frame body 300 is to be traveled by holding the original handlebar of the frame body 300, so that the rider can push the frame body 300 by riding the bicycle and can control the vehicle. The direction of travel of the frame 300. Among them, FIG. 3 shows an example of a wheelchair as the frame body 300, and is not intended to limit the present invention.

Please refer to FIG. 4 , which is a perspective view of a bicycle connecting mechanism according to another embodiment of the present invention. The structure of the bicycle coupling mechanism 100a is substantially the same as that of the bicycle coupling mechanism 100 of the above-described embodiment (please refer to FIGS. 1 and 2), and the difference is that the crossbar body 152 of the bicycle coupling mechanism 100a is a telescopic rod. The body can be changed in length according to the size of the frame body 300 to be installed.

According to the above-mentioned new embodiment, one of the advantages of the present invention is that the bicycle connecting mechanism can be directly mounted on the bicycle head tube, and the bicycle is connected to the wheelchair frame body, the infant frame body, the trolley frame body or the shopping cart frame body, etc. The frame body is simple to install and does not need to damage the structure of the original bicycle or frame body. In addition, through the design of the quick release assembly, the bicycle linkage mechanism can be quickly disassembled, installed and stored.

According to the above-mentioned new embodiment, another advantage of the present invention is that after the bicycle connecting mechanism is installed, the original bicycle use mode is not changed, and the bicycle frame body is pushed by riding the bicycle, and the original frame body is used. The handle controls the riding direction to achieve the function of the trolley frame, thereby improving the problem that it is time and effort to directly push the frame body by walking. Increase convenience and increase the scope of activities.

According to the above-mentioned new embodiment, another advantage of the present invention is that there are upper and lower bearing sets between the bicycle head tube and the shaft body portion, which can improve the steering maneuverability when the rider controls the direction of the handle of the frame body. With sensitivity. At the same time, the first bearing assembly and the second bearing assembly are disposed in the pivoting portion, which can reduce the friction between the connecting seat and the pivoting portion, and the bicycle can be rotated through the relative rotation between the connecting seat and the crossbar body. During the riding process, it is synchronized with the frame body to adapt to the high and low undulating terrain.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Any one skilled in the art can make various changes and retouchings without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

100‧‧‧Bicycle link mechanism

130‧‧‧ head tube connector

131‧‧‧Connecting Block

131a‧‧‧ Body

131b‧‧‧ body

133‧‧‧ positioning ring

135‧‧‧Locker

150‧‧‧ frame connector

151‧‧‧cross body

151c‧‧‧ pivotal department

155‧‧‧ quick release assembly

155b‧‧‧Flip parts

155c‧‧‧positioning nut

157‧‧‧First holder

157a‧‧‧First quick release

159‧‧‧Second holder

159a‧‧‧Second quick release

Claims (6)

A bicycle coupling mechanism is provided for connecting a bicycle head tube to a frame body, the bicycle coupling mechanism comprising: a head tube connector adapted to connect the bicycle head tube, and comprising: a connecting seat comprising a body portion And a body portion, wherein the rod body portion is disposed on the seat body portion and is disposed in the bicycle head tube; a positioning ring is screwed on one end of the rod body portion for pressing against the bicycle head And a locking fastener, the screw is locked on the positioning ring to fix the positioning ring on the end of the rod body; and a frame connecting member is adapted to connect the frame body, and comprises: a crossbar body is disposed perpendicular to the shaft body portion, and the crossbar body includes a first end, a second end, and a pivoting portion, the first end is opposite to the second end, the pivoting portion Located between the first end and the second end; a shaft tube is disposed in the pivoting portion and the seat portion to connect the crossbar body and the connecting seat; a quick release assembly connecting the pivoting And a body portion of the seat to adjust a connection relationship between the crossbar body and the connecting seat; a first clamping seat, Provided at the first end of the cross bar body; and a second clamp seat is fixed at the second end of the body of the cross bar. The bicycle coupling mechanism of claim 1, wherein the quick release assembly comprises: a shaft that is disposed in the shaft tube, and one end of the shaft is provided with a toggle The other end is screwed into a positioning nut. The bicycle coupling mechanism of claim 2, further comprising: a first bearing assembly mounted on one side of the pivoting portion, and comprising: a first ball ring accommodated in one of the pivoting portions a rim is sleeved on the shaft tube; a first positioning member is sleeved on the shaft tube at a side of the first ball ring opposite to the first rim; and a first nut, a screw is disposed on the shaft tube and abuts against one side of the pivoting portion for fixing the first positioning member; and a second bearing assembly is mounted on the other side of the pivoting portion and includes: a second ball ring is received in the second ring edge of the pivoting portion and sleeved on the shaft tube; a second positioning member is sleeved on the shaft tube and located on the second ball ring One side of the second rim; and a second nut are screwed on the shaft tube and abut against the other side of the pivoting portion for fixing the second positioning member. The bicycle coupling mechanism of claim 1, wherein the frame connector further comprises: a first quick release member disposed on the first clamp seat; and a second quick release member disposed in the second clamp On the seat. The bicycle coupling mechanism of claim 1, wherein the crossbar body is a telescopic rod body. The bicycle coupling mechanism according to claim 1, wherein the frame body is a wheelchair frame body, a baby frame body, a trolley frame body or a shopping cart frame body.