TWM519608U - Tube-folding device of bicycle - Google Patents

Description

Bicycle pipe folding device

The present invention relates to a folding device, especially a device that is mounted on a folding bicycle to assist the bicycle in unfolding or closing motion.

According to the bicycle, in addition to being used as a means of transportation, many people also use bicycles to achieve sports, fitness or weight loss. Folding bicycles are popular because they are easy to carry, carry, store, and lightweight.

For the folding structure of the present disclosure, please refer to the Republic of China Announcement No. M392787, which discloses a "folder" which pivotally connects the front cover and the rear cover with a first pivoting mechanism and pivotally connects the front cover through the second pivoting mechanism. And the handle, and the handle is provided with an adjustable connecting mechanism, and the fixed connecting buckle is connected by the adjustable connecting mechanism, so that the fixing buckle can be fastened to the back cover to fix the two bicycle pipe fittings, and can be opened when the folding demand is required The handle causes the fixing buckle to leave the rear cover to expand the vehicle body; however, although the folding device controls the body to expand or close by pulling the handle, the handle is not provided with a safety device, if the handle is accidentally pulled or loosened by the handle If you take off, you may cause an accident in the rider.

In order to solve the above-mentioned deficiencies, the Republic of China Announcement No. M384807 discloses a "folder device for folding bicycle risers" which combines a folding front box and a folded back box into a loose-leaf switch device, which is located at the other end of the folded box. The utility model is provided with a locking ring, and a movable locking pin is arranged on the through hole of the folding front box and the shaft through hole, and the movable locking pin is provided with a hinge piece, and one end of the hinge piece locks the inherent connecting piece, and is locked by a plurality of hinge shafts respectively The solid connector and the handle, the connecting member and the front box, and the hinge piece and the connecting member, thereby, when the folded device is to be opened, the handle can be pulled up to the bottom and then pressed downward to borrow two mutual Reverse unlocking to ensure safe use.

In addition, the Republic of China Publication No. I498248 discloses a "folding bicycle folder with a locking function" which is pivotally connected between the first housing and the second housing by a pivot and is in the first shell. The body is provided with a fixing cylinder having an outer socket, and the second housing is pivotally connected with an operating handle, and the operating handle is provided with a receiving cavity, and the elastic cavity and the clamping rod are disposed in the receiving cavity, thereby When the folder is to be locked, the first weight can be completed by pulling the handle to the first housing, and the end of the card lever is deflected to the position of the outer socket to complete the card engagement to achieve the second weight. Lock and improve the security of use.

In view of the fact that the handle of the conventional folding device for controlling the unfolding or closing of the bicycle body is not provided with a safety device, if the handle is loose, the rider may have an accident, and there is still a lack of improvement.

Therefore, the purpose of the creation is to add a locking device to the front cover and extend the stop block on the handle, and the locking device can be used to pull the handle to achieve the double locking function, thereby preventing the handle from being loose or accidentally pulled. And improve the safety of bicycle folding and riding.

In order to achieve the above object, the present invention provides a bicycle pipe folding device, which comprises: a front cover for fixing a part of the pipe of the bicycle, and forming a first pivoting portion and a second pivoting portion at the two ends, respectively. The first pivoting portion and the second pivoting portion are respectively provided with a rivet and a shaft, and a protrusion is extended on the second pivoting portion, and a screw hole and a fixing hole are disposed in the protruding block; The rear cover is a part of the pipe for fixing the bicycle. The third pivoting portion is disposed at one end, the other end is disposed with a rod, and the third pivoting portion is sleeved with the first pivoting portion of the front cover. a rivet, the back cover and the front cover can be pivoted about the rivet; a handle is sleeved on the shaft of the front cover, so that the handle and the front cover can be pivoted on the shaft The heart pivots, and a stop block is disposed on one side of the handle; a fastener is disposed through the threaded shaft and a first elastic member, and the through shaft is fixedly disposed on the handle, so that the The handle can correspond to the rod body fastened to the back cover; and a locking device includes a knob and a second elastic member, The button has an abutting surface, and the through surface is provided with a through hole and a receiving groove, and a through hole is formed in the receiving groove, so that the two ends of the second elastic member can be respectively disposed on the through hole and the front cover a fixing hole, and the second elastic member is received in the receiving groove, and can be locked to the screw hole of the front cover by the screw through the through hole, so that the abutting surface abuts against the hole The stop of the handle.

In order to make the technical content of this creative purpose more complete, please refer to the following details, and please refer to the drawings and drawings.

First, referring to Fig. 1, an exploded perspective view of the present invention includes a front cover 1, a back cover 2, a handle 3, a fastener 4, and a locking device 5. The front cover 1 is used for fixing a part of the tube B (not shown) of the bicycle, and the first pivoting portion 11 and the second pivoting portion 12 are respectively formed at the two ends, and the first pivoting portion 11 is provided with a rivet. The second pivoting portion 12 is provided with a through hole 111, and the second pivoting portion 12 is provided with a shaft 14 and is locked by a screw member 15. The second pivoting portion 12 extends with a bump 122. The bottom block 2 is provided with a screw hole 123 and a fixing hole 124. The rear cover 2 is used for fixing a part of the tube B (not shown) of the bicycle, and a third pivoting portion 21 is disposed at one end of the rear cover 2, and The third pivoting portion 21 is provided with a through hole 211, and the other end of the rear cover 2 is fixedly fixed with a rod body 22, and is locked by a screw member 23; the handle 3 is transversely penetrated with the movable hole 31 and the fixing hole 32, and A through hole 33 through which the screw 35 is inserted is disposed in the longitudinal direction, and a stopper 34 is disposed on one side of the handle 3; the fastener 4 is provided with a through hole 41 corresponding to the movable hole 31 of the handle 3, and is in the through hole 41 wearing A shaft 42 and a first elastic member 43 are disposed, and a shaft hole 421 is disposed on the shaft 42. The locking device 5 includes a knob 51 and a second elastic member 52. The knob 51 has an abutting surface 511. The through surface 511 is provided with a through hole 512 through which the screw 53 is inserted and a receiving groove 513. A through hole 514 is defined in the receiving groove 513, and the two ends of the second elastic member 52 respectively correspond to the knob 51. The through hole 514 and the fixing hole 124 of the front cover 1.

Next, please refer to FIG. 1 and in conjunction with FIG. 2, the rivet 13 is sequentially inserted through the through hole of the first pivotal portion 11 of the front cover 1 and the third pivotal portion 21 of the rear cover 2 during assembly. 111 (211), the rear cover 2 and the front cover 1 can be pivoted with the rivet 13 as an axis, and then the through shaft 42 is sequentially disposed through the handle 3 movable hole 31, the first elastic member 43 and the fastener 4 through hole 41. After that, the screw 35 is placed through the through hole 33 of the handle 3 and screwed to the shaft hole 421 of the through shaft 42 to engage the fastener 4 with the handle 3. Then, the shaft 14 is sequentially passed through the second cover of the front cover 1 The through hole 121 of the connecting portion 12 and the fixing hole 32 of the handle 3 are locked by the screw member 15, so that the handle 3 and the front cover 1 can pivot with the shaft 14 as an axis, and the fastening member 4 can be correspondingly engaged. The second elastic member 52 is fixed to the fixing hole 124 of the protrusion 122 and the through hole 514 of the knob 51, so that the second elastic 52 is located in the cavity 513, and then the snail is snailed. The firmware 53 is inserted through the through hole 5 of the knob 51 After the screw lock 11232 the front cover, so that the knob 51 abuts against the veneer 511 affixed to the handle 3 of the locking stopper 34 to form a folding apparatus A (as shown in FIG. 2).

Next, please refer to the figure 3~9, which is a schematic diagram of the creation of the present invention. When the folding device A is combined with a pipe member B and a rear cover 2 respectively, and is locked, if the locking device is to be unlocked, the second pipe member B is To fold, first turn the knob 51 outward (as in the direction of the arrow in Fig. 3) until the abutting surface 511 leaves the stop block 34 (as shown in Fig. 4) to release the first lock, and then the handle 3 Pull down (as in the direction of the arrow in Fig. 5), so that the fastener 4 pivotally disposed on the handle 3 is unfastened on the rod 22 of the rear cover 2 (as shown in Fig. 6) until the fastener 4 is disengaged. The rod 22 of the rear cover 2 (as shown in Fig. 7) can unlock the second passage, so that the rear cover 2 is pivoted by the rivet 13 to the front cover 1 (as shown in Fig. 8) until the bicycle tube B Complete the expansion action (as shown in Figure 9).

It is worth mentioning that, because the second elastic element 52 is disposed between the knob 51 and the protrusion 122, an elastic restoring force can be generated when the knob 51 is pulled, so that the user must apply force to maintain the knob 51 in the opening motion. The pull-down handle 3 can be used to unlock the folding device A, so that the damage and accident caused by accidental pulling or loosening can be surely avoided, and the safety of the folding bicycle to be folded or unfolded can be improved by double locking.

In summary, this creation has indeed broken through the tradition and has improved and innovative creation content and can be specifically implemented. It should meet the statutory requirements of the new patent, and file a patent application according to law, and invite the examination committee of the bureau to grant legal patent rights. Creation, to the sense of virtue.

However, the above descriptions are merely preferred embodiments of the present invention, and are not intended to limit the scope of implementation of the present invention. Any changes and modifications that are not departing from the spirit of the present invention are covered by the scope of the present invention.

This creation:
A‧‧‧Folding device B‧‧‧Fittings 1‧‧‧ Front cover 11.‧‧ First pivoting part 111‧‧‧through hole 12‧‧‧Second pivoting part 121‧‧‧through hole 122‧‧ ‧Bumps 123‧‧‧ Screw holes 124‧‧‧Fixed holes 13‧‧‧ Rivets 14‧‧‧ Shafts 15‧‧‧ Screws 2‧‧‧ Back cover 21‧‧ Third third joints 211‧‧ ‧ Through hole 22‧‧‧ Rod body 23‧‧‧ Screws 3‧‧‧Handle 31‧‧‧Aperture hole 32‧‧‧Fixed hole 33‧‧‧ Through hole 34‧‧‧ Stop block 35‧‧‧Snail Firmware 4‧‧‧ Fasteners 41‧‧‧ Through-holes 42‧‧‧After shafts 421‧‧‧Axis holes 43‧‧‧First elastic parts 5‧‧‧Locking device 51‧‧‧Knobs 511‧‧‧ 512‧‧‧through hole 513‧‧ ‧ 514 ‧ ‧ perforation 52‧‧‧ second elastic piece 53‧‧‧ screw

The first picture is a three-dimensional exploded view of the creation. Figure 2 is a perspective view of the creation. Figures 3~9 are schematic diagrams of the creation of this creation.

A‧‧‧Folding device

1‧‧‧ front cover

11‧‧‧First pivotal

111‧‧‧through holes

12‧‧‧Second pivotal

121‧‧‧through holes

122‧‧‧Bumps

123‧‧‧ screw hole

124‧‧‧Fixed holes

13‧‧‧ Rivets

14‧‧‧ shaft

15‧‧‧Spiral firmware

2‧‧‧ Back cover

21‧‧‧ Third pivotal

211‧‧‧through holes

22‧‧‧ rod body

23‧‧‧Spiral firmware

3‧‧‧handle

31‧‧‧ Activity hole

32‧‧‧Fixed holes

33‧‧‧through holes

34‧‧‧stop block

35‧‧‧Spiral firmware

4‧‧‧fasteners

41‧‧‧through holes

42‧‧‧through shaft

421‧‧‧ shaft hole

43‧‧‧First elastic parts

5‧‧‧Locking device

51‧‧‧ knob

511‧‧‧Affected

512‧‧‧through hole

513‧‧‧ 容容

514‧‧‧Perforation

52‧‧‧Second elastic parts

53‧‧‧Spiral firmware

Claims (1)

A tube folding device for a bicycle, comprising: a front cover for fixing a part of the pipe of the bicycle, and forming a first pivoting portion and a second pivoting portion at the two ends, respectively, at the first pivoting portion and the The second pivoting portion is respectively provided with a rivet and a shaft, and a protrusion is extended on the second pivoting portion, and a screw hole and a fixing hole are disposed in the protruding block; and a rear cover is used for fixing the bicycle. a part of the tube member is provided with a third pivoting portion at one end, and a rod body is fixedly disposed at the other end, and the third pivoting portion is sleeved on the rivet of the first pivoting portion of the front cover, so that the back cover and the back cover are The front cover can pivot with the rivet as an axis; a handle is sleeved on the shaft of the front cover, so that the handle and the front cover can pivot about the shaft, and the handle is One of the side is provided with a stop block; a fastener member having a threaded shaft and a first elastic member, and the through shaft is fixedly disposed on the handle, so that the handle can be correspondingly fastened to the rear a cover body; and a locking device comprising a knob and a second elastic member, the knob having an abutting surface The abutting surface is provided with a through hole and a receiving groove, and a through hole is formed in the receiving groove, so that the two ends of the second elastic member can respectively pass through the fixing hole of the through hole and the front cover, and let the first The two elastic members are received in the receiving groove, and can be locked to the screw holes of the front cover by the screw through the through hole, so that the abutting surface abuts against the stop block of the handle.