TWM554879U - Cable type positioning device for bicycle - Google Patents

Abstract

The utility model relates to a cable-type positioning device for bicycle, which is used for assembling a pipe, a front fork vertical pipe and a driver riser, and comprises a pre-pressure ring, a pre-pressure adjusting component and two cables, and a pre-compression. The ring is arranged on the top surface of the rider riser, and the pre-pressure adjustment component is arranged at the bottom end of the front fork standpipe. The top ends of the two cables are detachably arranged on the pre-pressure ring, and the bottom ends of the two cables are connected to the pre-pressure adjustment. The assembly enables the two cables to pull the preload ring by the control of the preload adjustment assembly, allowing the preload ring to apply an axial load to the rider riser. In addition, the two cables are located in the front fork vertical pipe and adjacent to the inner wall surface of the front fork vertical pipe, so that a pre-pressure ring, a pre-pressure adjusting assembly and two cables form a space for the bicycle accessories (such as a battery pack) to be placed. Space is set so that the rider can take it out when needed.

Description

Bicycle cable positioning device

This creation is related to bicycle components, especially a cable-type positioning device for bicycles, which can provide a pre-pressure amount to the upper and lower head groups, so that the head tube, the front fork standpipe and the rider riser can be assembled and positioned together. And the interior of the front fork riser creates an accommodation space for the bicycle fitting to be placed.

Referring to FIG. 1, the conventional positioning assembly 1 shown in the drawing mainly comprises a pre-pressing member 2, a double-threaded nut 3 and a bolt 4. The pre-pressing member 2 abuts against the top end of the rider riser 7, the bolt 4 is threaded through the pre-pressing member 2 and screwed to the double-flowered nut 3, and the double-flowered nut 3 is located inside the front fork standpipe 6 and is itself The periphery is firmly fixed to the inner wall surface of the front fork standpipe 6. When the bolt 4 is rotated, since the double-nut nut 3 remains stationary, the bolt 4 will press the pre-pressing member 2 downward during the rotation, so that the pre-pressing member 2 provides a downward pressure to the rider riser 7 to allow the driver to stand. On the one hand, the tube 7 forms a preloading effect on the upper head set 8 and on the other hand allows the rider riser 7 to form a preloading effect on the lower front head set 9 through the head tube 5, thus completing the head tube 5 and the front fork standpipe 6 Assembly positioning between the rider and the riser 7.

However, in the prior art, the double-nut nut 3 causes damage to the inner wall surface of the front fork standpipe 6 during the press-fitting of the front standpipe 6, so it is not suitable for use in aluminum or carbon fiber composite materials. Into the front fork vertical tube. In addition, in the process of pressing the double-nut nut 3 into the front fork standpipe 6, it may be skewed due to improper application of force, which causes difficulty in assembling the bolt 4, and if it is forcibly assembled, it is subjected to the strong torque of the bolt 4 for a long time. It is also easy to make a double snail The cap 3 is loose, which causes the problem of preload failure. On the other hand, the positioning assembly 1 will close the top end of the front fork standpipe 6 after assembly, and the rider will lose the space available for the front fork standpipe 6 to place the bicycle accessories (such as a battery pack). The opportunity was therefore forced to install the bicycle accessories outside the seatpost, the handlebars or the back of the seat cushion, but these positions are not only convenient for the rider, but also easy to make bicycle accessories. Damaged by external dust and rain.

The main purpose of the present invention is to provide a cable-type positioning device for bicycles, which has a simple structure and is easy to assemble, and can provide not only a pre-pressure amount to the upper and lower heads, but also a bicycle for the inside of the front fork standpipe. The accommodating space for the accessories to be placed to increase the convenience in riding.

In order to achieve the above object, the cable-type positioning device of the present invention comprises a pre-pressure ring, a pre-pressure adjusting component and two mutually parallel cables. The pre-pressure ring is disposed on a top surface of a rider riser and corresponds to a top end of a front fork riser. The rider riser is sleeved on the top end of the front fork standpipe and abuts after the sleeve is set. At the top of a tube, the top and bottom ends of the head tube are respectively provided with an upper head group and a lower head group; the pre-pressure adjusting assembly is disposed at a bottom end of the front fork; the tops of the two cables Removably disposed on the pre-compression ring, the bottom ends of the two cables are connected to the pre-stress adjustment assembly, so that the two cables can pull the pre-pressure ring by the control of the pre-pressure adjustment component, the pre-compression The ring can apply an axial load to the rider riser after being pulled, thereby allowing the rider's riser to provide a preloading effect on the upper and lower nose sets. In addition, the two cables are located in the front fork vertical pipe and adjacent to the inner wall surface of the front fork vertical pipe, so that the pre-pressure ring, the pre-pressure adjusting assembly and the two cables form a bicycle fitting. Accommodate space.

Preferably, the pre-stressing adjustment assembly has a fixing base, a bolt and a screw block, the fixing seat abuts against the bottom end of the front fork vertical pipe and has a countersunk hole, the bolt has a head and a a screw portion of the head is disposed in the counterbore hole of the fixing base, the screw block has two opposite fixing holes and a screw hole between the two fixing holes, the screw hole is screwed to The screw portion of the bolt has a fixing portion at a bottom end of each of the cables, and is fixed to the fixing hole in one of the screws by the fixing portion. Thereby, when the bolt is rotated, the bolt can pull the screw block through a screwing relationship with the screw block, and then the screw block is further pulled through a fixed relationship with the two cables to pull the two bolts. The cable causes the two cables to further apply a downward pressure to the preload ring.

Preferably, the pre-stressing adjustment assembly has a fixing base and two adjusting members, the fixing seat abuts against the bottom end of the front fork vertical pipe and has two opposite counterbore holes, each adjusting piece has a head and a screw portion connected to the head, the head is disposed in the counterbore hole of one of the fixing bases, and the bottom end of each of the cables has a threaded portion and is screwed to the adjusting member by the threaded portion The screw part. Thereby, when the adjusting member is rotated, the adjusting member can directly pull the cable through a screwing relationship with the cable, so that the cable further applies a downward pressure to the pre-pressure ring.

Preferably, the pre-pressure ring has a large ring portion and a small ring portion, the large ring portion abuts against the top surface of the rider riser and has two opposite card slots, and the small ring portion is embedded in the driver. In the sleeve hole of the riser, the top end of each of the cables has a hook portion and a stopper portion adjacent to the hook portion, and the hook portion is engaged in the card slot of the pre-pressure ring, and the stopper portion abuts The outer peripheral surface of the large ring portion of the pre-pressure ring, and the outer diameter of the blocking portion is larger than the groove diameter of the slot of the pre-pressure ring to prevent the hook portion from being disengaged from the card slot.

Preferably, the top surface of the pre-pressure ring is provided with a detachable dustproof member, and the dustproof member closes the top end of the front fork vertical tube to ensure that dust or rain from the outside does not enter the accommodating space.

"previous technology"

1‧‧‧ Positioning components

2‧‧‧Pre-pressed parts

3‧‧‧ Double flower nut

4‧‧‧ bolt

5‧‧‧ head tube

6‧‧‧ Front fork standpipe

7‧‧‧Rider riser

8‧‧‧上头头组

9‧‧‧Under the front headset

"Examples"

10, 90‧‧‧ cable-type positioning device

11‧‧‧ head tube

12‧‧‧ Front fork standpipe

13‧‧‧Rider riser

132‧‧‧ hole sets

14‧‧‧上头头组

15‧‧‧Under the front headset

16‧‧‧ front fork shoulder cover

17‧‧‧ accommodating space

18‧‧‧Bicycle accessories

20‧‧‧Preloading ring

21‧‧‧Major Department

22‧‧‧Small ring

23‧‧‧ card slot

30‧‧‧Preload adjustment components

31‧‧‧ fixed seat

32‧‧‧Flange

33‧‧‧ countersunk hole

34‧‧‧Bolts

35‧‧‧ head

36‧‧‧ Screw Department

37‧‧‧Snail

38‧‧‧Fixed holes

39‧‧‧ screw holes

40‧‧‧Laso

41‧‧‧Hook

42‧‧‧stops

50‧‧‧Dust-proof parts

51‧‧‧Dust Department

52‧‧‧Plunger

60‧‧‧Preload adjustment components

61‧‧‧ Fixed seat

62‧‧‧ countersunk hole

63‧‧‧Adjustment

64‧‧‧ head

65‧‧‧Spiral Department

70‧‧‧Laso

71‧‧‧Hook

72‧‧‧Threaded Department

Figure 1 is a cross-sectional view of the conventional positioning assembly used in conjunction with the head tube, the rider riser, the front fork standpipe, and the upper and lower head sets.

Fig. 2 is a perspective view showing the appearance of the cable-type positioning device of the first embodiment of the present invention in use with a head pipe, a rider riser, and a front fork standpipe.

Fig. 3 is an exploded perspective view showing the cable-type positioning device of the first embodiment of the present invention.

Fig. 4 is a sectional view showing the combination of the cable-type positioning device of the first embodiment of the present invention in use with a head pipe, a rider riser, a front fork standpipe, and upper and lower head groups.

Fig. 5 is an exploded perspective view showing the cable-type positioning device of the second embodiment of the present invention.

Fig. 6 is a sectional view showing the combination of the cable-type positioning device of the second embodiment of the present invention in use with a head pipe, a rider riser, a front fork standpipe, and upper and lower head groups.

Referring to Figures 2 and 3, the cable-type positioning device 10 of the first embodiment of the present invention includes a pre-pressure ring 20, a pre-stress adjustment assembly 30, and two parallel cables 40.

As shown in FIGS. 3 and 4, the pre-pressure ring 20 has a large ring portion 21 and a small ring portion 22 connecting the large ring portion 21, wherein the large ring portion 21 has two opposite card slots 23.

As shown in FIGS. 3 and 4, the preload adjusting assembly 30 has a fixing base 31, a bolt 34 and a screw 37 in this embodiment. The fixing base 31 has a flange 32 and a countersunk hole 33 at the center. The bolt 34 has a head portion 35 and a screw portion 36 connecting the head portion 35. The head portion 35 is received in the countersunk hole 33 of the fixing base 31. The screw portion 36 protrudes from the counterbore 33 of the fixing base 31. The opposite ends of the screw block 37 respectively have a fixing hole 38. The center of the screw block 37 has a screw hole 39 between the two fixing holes 38. The screw block 37 is screwed to the screw portion 36 of the bolt 34 by a screw hole 39.

As shown in FIGS. 3 and 4, the top end of the cable 40 has a hook portion 41 and a stop portion 42 adjacent to the hook portion 41, wherein the outer diameter of the hook portion 41 is smaller than the card slot 23 of the pre-pressure ring 20. The groove diameter, the outer diameter of the stopping portion 42 is larger than the groove diameter of the slot 23 of the pre-pressure ring 20, and the bottom end of the cable 40 has a fixing portion 43. The cable 40 is fixed to the screw block 37 by the fixing portion 43. Inside the hole 38. It is worth mentioning here that the cable 40 can use a bicycle line, a shifting line or a web, or a wire made of a rigid material, such as a steel cable, which is not limited in this embodiment.

Referring to FIG. 4 again, the head pipe 11, the front fork stand 12, the rider riser 13, the upper nose set 14, and the lower nose set 15 are assembled in a conventional manner, that is, The front fork standpipe 12 is disposed in the head pipe 11, the top end of the front fork standpipe 12 is disposed outside the head pipe 11, the bottom end of the front fork standpipe 12 is fixed to the front fork shoulder cover 16, and the rider riser 13 is provided by a set The hole 132 is sleeved on the top end of the front fork standpipe 12, and the rider riser 13 abuts on the top end of the head pipe 11 after being placed on the front fork standpipe 12, and the upper and lower front head sets 14, 15 are respectively mounted on the head pipe. 11 top and bottom ends.

When the cable-type positioning device 10 of the present invention is assembled with the aforementioned components, as shown in FIG. 4, the small ring portion 22 of the pre-pressure ring 20 is first embedded in the sleeve hole 132 of the rider riser 13 to make The large ring portion 21 of the pressure ring 20 abuts against the top surface of the rider riser 13, and then the two cables 40 are passed from the bottom end of the front fork standpipe 12 through the front fork standpipe 12 through the hook portion. The 41 card is connected to the slot 23 of the pre-pressure ring 20, and the cable 40 at this time prevents the hook portion 41 from coming off the card slot by the stopper portion 42 abutting against the outer circumferential surface of the large ring portion 21 of the pre-pressure ring 20. 23, then the fixing seat 31 is abutted against the bottom end of the front fork standpipe 12 by the flange 32 of the fixing seat 31, at which point the bolt 34 can be started. During the rotation of the bolt 34, the locking relationship between the hook portion 41 of the two cables 40 and the slot 23 of the pre-compression ring 20 has a limiting effect on the screw block 37, and is additionally matched with the rigid material characteristics of the cable 40. So that the screw 37 does not rotate together with the bolt 34, but moves away from the pre-pressure ring 20 in the axial direction of the bolt 34, and the two cables 40 are simultaneously tensioned during the movement of the screw 37, and then The two cables 40 will further press down the large ring portion 21 of the pre-pressure ring 20 by the hook portion 41, so that the large ring portion 21 of the pre-pressure ring 20 applies an axial load to the rider riser 13, and the rider riser at this time. On the one hand, the pre-pressure amount is directly generated on the upper headstock group 14, and on the other hand, the pre-pressure amount is generated on the lower headstock group 15 through the head pipe 11, so that the overall assembly positioning is completed.

After the assembly positioning is completed, as shown in FIG. 4, since the two cables 40 are located in the front fork vertical tube 12 and are adjacent to the inner wall surface of the front fork vertical tube 12, the pre-pressure ring 20, the pre-pressure adjusting assembly 30 and the two An accommodation space 17 is formed between the cables 40, so that the rider can place the bicycle accessories 18 (such as a battery pack, a repair tool set, a lamp or a lock, etc.) in the accommodating space 17 according to their own needs, so as needed. It can be taken out at any time to use.

In addition, after the assembly positioning is completed, due to the shape relationship of the pre-pressure ring 20, the top end of the front fork standpipe 12 will be open, in order to further ensure that external dust or rain does not enter the top of the front fork standpipe 12 In the space 17, the present invention further provides a dustproof member 50. As shown in Figures 2 and 4, the dustproof member 50 has a dustproof portion 51 and a plunger portion 52 for connecting the dustproof portion 51. The dustproof member 50 is provided with the dustproof portion 51. The top surface of the large ring portion 21 of the pre-pressure ring 20 is abutted and the top end opening of the front fork vertical tube 12 is closed, and the plunger portion 52 is inserted into the top end of the front fork vertical tube 12 to fix the dust. The member 50 provides a dustproof and waterproof effect on the accommodating space 17.

If it is necessary to disassemble when preparing to replace or repair the parts, first remove the dustproof member 50, and then loosely loosen the bolts 34 to release the force of the hook portion 41 of the cable 40 engaging the slot 23 of the pre-pressure ring 20, and then Further, the stopper portion 42 of the cable 40 is pushed upward to disengage the hook portion 41 of the cable 40 from the card slot 23 of the pre-pressure ring 20, and the pre-pressure ring 20 can be directly removed from the top surface of the rider riser 13 at this time. Finally, the pre-stressing adjustment assembly 30 is taken out together with the two cables 40 from the bottom end of the front fork standpipe 12, thus completing the overall disassembly.

In the cable-type positioning device 90 of the second embodiment of the present invention, the main structure and the assembly and disassembly manner are substantially the same as those of the foregoing embodiment, but the main difference is that the combination between the pre-stressing adjustment assembly 60 and the cable 70 is different. . In detail, as shown in FIGS. 5 and 6, the pre-stressing adjustment assembly 60 has a fixing base 61 and two adjusting members 63. The fixing base 61 abuts against the bottom end of the front fork vertical tube 12 and has two opposite sinks. The head hole 62 and the adjusting member 63 have a head portion 64 and a screw portion 65. The head portion 64 is received in the counterbore hole 62 of the fixing base 61. The screw portion 65 is connected to the head portion 64 and protrudes from the fixing seat 61. The counterbore 62 is outside. As for the cable 70, in order to fit the screw portion 65 of the adjusting member 63, the bottom end of the cable 70 has a threaded portion 72, and the cable 70 is threaded. The portion 72 is screwed to the solenoid portion 65 of the adjusting member 63, and is not screwed to the bolt 34 through the screw 37 as in the foregoing embodiment. Therefore, when the adjusting member 63 is started to rotate, the cable 70 is directly pulled by the adjusting member 63 by the screwing relationship between the screw portion 65 of the adjusting member 63 and the threaded portion 72 of the cable 70. During the pulling of the cable 70, the preload ring 20 is pressed by the hook portion 71, so that the preload ring 20 applies an axial load to the rider riser 13.

In summary, the cable-type positioning devices 10 and 90 of the present invention are relatively simple and quick in assembly and disassembly, and do not cause damage to the structure of the front fork standpipe 12, so it is suitable for various materials (such as iron, Front fork standpipe 12 of aluminum or carbon fiber composite). In addition to providing a good and stable preloading effect on the upper and lower headstocks 14, 15 after assembly is completed, it is more important to form a bicycle fitting 18 for the rider to be placed inside the front fork standpipe 12 The accommodation space 17 is used for the purpose of increasing the convenience of riding.

Claims (7)

A cable-type positioning device for bicycle, which is used for assembling a tube, a front fork standpipe and a rider riser, wherein the front fork standpipe is inserted in the head pipe, and the front fork standpipe The top end of the tail pipe is sleeved on the top end of the front fork standpipe and abuts against the top end of the head pipe. The cable type positioning device comprises: a pre-pressure ring, abutting a top surface of the rider riser; a pre-stress adjustment assembly disposed at a bottom end of the front fork riser; and two mutually parallel cables located in the front fork riser and adjacent to the front fork riser An inner wall surface, the top ends of the two cables are detachably disposed on the pre-compression ring, and the bottom ends of the two cables are connected to the pre-pressure adjusting assembly, so that the pre-pressure ring, the pre-pressure adjusting assembly and the two cables are Form an accommodation space. The cable-type positioning device of the bicycle of claim 1, wherein the pre-stressing adjustment assembly has a fixing base, a bolt and a screw block, the fixing seat abuts the bottom end of the front fork vertical pipe and has a a counterbore having a head portion and a screw portion connecting the head portion, the head portion being received in a counterbore hole of the fixing seat, the screw portion being located outside the counterbore hole of the fixing seat, the screw The block has two opposite fixing holes and a screw hole between the two fixing holes, the screw hole is screwed to the screw portion of the bolt; the bottom end of each of the cables has a fixing portion, and the fixing portion is fixed to the fixing portion One of the screws is inside the fixing hole. The cable-type positioning device for a bicycle according to claim 1, wherein the pre-stressing adjustment assembly has a fixing base and two adjusting members, and the fixing seat abuts against the front fork vertical tube The bottom end has two opposite counterbore holes, and each of the adjusting members has a head portion and a screw portion connecting the head portion, and the head portion is disposed in the counterbore hole of the fixing seat, the screw portion The bottom end of each of the cables has a threaded portion, and the threaded portion is screwed to a screw portion of the adjusting member. The cable-type positioning device for a bicycle according to claim 1, wherein the driver's riser has a set of holes and is sleeved on the top end of the front fork standpipe, the pre-pressure ring has a large ring portion And a small ring portion connected to the large ring portion, the large ring portion abuts against a top surface of the rider riser, and the small ring portion is embedded in the sleeve hole of the rider riser. The cable-type positioning device for a bicycle according to claim 4, wherein the large ring portion of the pre-pressure ring has two opposite card slots, and the top end of each of the cables has a hook portion and a block adjacent to the hook portion. a locking portion, the hook portion is engaged in the slot of the pre-pressure ring, the blocking portion abuts against the outer circumferential surface of the large ring portion of the pre-pressure ring, and the outer diameter of the blocking portion is larger than the card slot Groove diameter. The cable-type positioning device for a bicycle according to claim 4, further comprising a dustproof member detachably disposed at a top end of the front fork standpipe and abutting against a top of the large ring portion of the pre-pressure ring surface. The cable-type positioning device for a bicycle according to claim 6, wherein the dustproof member has a dustproof portion and a plunger portion connected to the dustproof portion, the dustproof portion abutting the top of the large ring portion of the pre-pressure ring. And covering the top end of the front fork standpipe, the plunger portion is disposed in the top end of the front fork standpipe.