TWI383916B - Bicycle five-way tube bushing adjuster - Google Patents

Description

Bicycle five-way pipe inner sleeve adjuster

The invention relates to a bicycle five-way pipe adjusting device, in particular to a bicycle inner bushing adjuster which can provide a more accurate and stable combination between the five-way pipe and the mandrel.

According to the bicycle, the use of bicycles has always been the simplest and most traditional means of transportation for human beings. In today's social civilization and economic development, the existence of bicycles is a tool for transportation and an important leisure sport. Generally, the bicycle frame is provided with a five-way pipe, and the five-way pipe is provided for a mandrel. The mandrel and the five-way pipe are provided with bearings, so that the mandrel can be used in the five-way pipe by the bearing. When the suspension is rotated, when the two ends of the mandrel are combined with the pedal, the pedal is rotated by the pedal, and the rear wheel is driven by the chain to drive the bicycle forward. This kind of structural design, because the two ends of the mandrel are supported by the bearing, the middle position is suspended, which can not help to withstand the force. Therefore, when the pedal is stepped on, the generated angle force is directly and only by the point on the bearing of the two sides. It can't be uniformly received by the whole bearing in a circular manner. The concentrated force of the kind of the way will cause the bearing to wear rapidly from this point, resulting in a short service life of the bearing, so that the new bearing needs to be replaced frequently.

Therefore, it is developed as the invention patent certificate number No. I320766 "Bicycle five-way pipe tight structure", which is combined with two or more bearings, one mandrel, one left-handed sleeve and one at the five-way pipe of the bicycle. The right hanging sleeve, wherein the center of the five-way pipe is provided with a through hole, and a coupling groove is further cut at both ends of the through hole, the bearing is arranged with the coupling groove of the five-way pipe, and the mandrel is matched with the bearing center The perforation is provided, and the two ends are provided with the corresponding arrangement of the stepping rod. The center of the left-handed sleeve is provided with a through hole, which is slightly larger than the outer diameter of the mandrel, and the inner thread is provided through the inner side of the hole, and the outer circumference of the left sleeve is provided. The center of the right hanging sleeve is provided with a through hole, and the through hole is slightly larger than the outer diameter of the mandrel, and the inner side of the right hanging sleeve extends out of a threaded outer thread, and the outer peripheral edge thereof The position is further provided with a tool slot. With the above structure, the combined length of the left and right cans can be changed to be elongated or shortened, so that the two bearings can be surely attached by the left and right cans to produce a Complete offsetting, The angle of force is turned into a plane shape, the range of bearing strength is expanded, the burden of the two-sided bearing is reduced, the wear is reduced, and the wear coefficient is evenly distributed around the circumference of each bearing, so that the bearing is more durable.

However, the bicycle five-way tube pressing structure is provided with a tool slot on the outer circumference of the left-hand sleeve and the right-sleeve sleeve, and the special tool of the V-shaped shape utilizes its own elasticity to penetrate the left-hand sleeve and the right-hanging sleeve inner card. The tool slot is rotated, and the left and right sleeves are rotated, so that the combined length of the left and right sleeves is changed to be elongated or shortened. However, the alignment and disassembly of the special tool and the tool slot are difficult, the use convenience is not good, and when the special tool drives the left and right cans, the function of the center is not adjusted, so that the left sleeve and the The right suspension sleeve is offset, so that it cannot be evenly attached to the two bearings. Moreover, the special tool has no convenient handle design, so the rotation operation is troublesome and the force is inconvenient.

The present inventors have inconvenienced that the adjustment action of the bicycle five-way tube pressing structure is inconvenient, and that the tension structure is easy to adjust and shifts, which is the idea of creating and testing the sample, and the test sample test, and more The present invention has been developed after the sub-correction is improved.

The invention provides a bicycle five-way pipe inner sleeve adjuster, wherein the five-way pipe system comprises at least two bearings, a mandrel, a first inner bushing and a second inner bushing, wherein the first bushing Corresponding internal and external threads are provided between the second sleeve and the screws can be screwed to each other, and the latching unit is respectively disposed on the inner edges of the first sleeve and the second sleeve, and the adjuster is mainly composed of a rod a guiding sleeve and a turning handle, wherein one end of the rod protrudes with a clamping portion corresponding to the first and second inner sleeve clamping units, and the guiding sleeve is sleeved on the rod, the tube The outer diameter of the body can be fit to fit the inner diameter of the bearing, the turning handle is coupled to the other end of the rod, and the second guiding sleeve is the second guiding sleeve, and the adjusting device can penetrate the first and second portions The inner sleeve is engaged to drive the first inner sleeve and the second inner sleeve to rotate relative to each other, so that the combined length of the first inner sleeve and the second inner sleeve is changed to be extended or shortened, and the above-mentioned rotary handle can be The middle section is provided with a vertical cylindrical driving head, and the driving head is locked by the elastic element with the locking bolt, and the first rod is When the forces of oppression fit interlocking.

The main object of the present invention is that when the adjusting operation is performed, the barrel of the guiding sleeve of the adjuster is sleeved on the inner edge of the bearing, and the latching portion of the rod of the guiding adjuster is first and second. The inner edge of the sleeve is engaged with the buckle, which is convenient to use and has the function of adjusting the center.

The second purpose of the present invention is that the driver of the adjuster is coupled with the locking bolt by the elastic member, and the first rod is coupled with the appropriate pressing force, and can be coupled to the first inner sleeve and the second inner sleeve. When the inner sleeve is pressed against the two bearings, the first turn of the first adjuster automatically forms an idling state, and the adjustment action is precise and convenient, and the force is easy to apply.

In the following, the preferred embodiment of the present invention will be described in detail with reference to the drawings: FIG. 1 is a perspective exploded view of the present invention and a second perspective view showing the three-dimensional combination and operation of the present invention. A tubular body 11 is coupled with a bearing 12, a spindle (not shown), a first inner sleeve 13 and a second inner sleeve 14. The tubular body 11 is provided with a through hole 111 in the center. A coupling groove 112 is further disposed at each end of the through hole 111. The bearing 12 is disposed in the coupling groove 112 of the matching pipe body 11. The mandrel is disposed in the center of the bearing 12, and the two ends are provided with corresponding positions of the stepping rod. The inner diameter of the first inner sleeve 13 is approximately larger than the outer diameter of the mandrel, and one end is provided with an external thread 131, and the inner edge is provided with a latching unit latching unit 132. The latching unit 132 can be a tooth surface and a second inner sleeve The inner diameter of 14 is also about a little larger than the outer diameter of the mandrel, and one end is provided with an enlarged portion with an internal thread 141, and the external thread of the first inner sleeve 13 is screwed to each other, and the inner edge is provided with a latching unit latching unit 142. The cassette unit 142 can be a tooth surface.

The adjuster of the present invention comprises: a first adjuster 2 and a second adjuster 3, the first adjuster 2 is composed of a first rod member 21, a first guiding sleeve 22 and a first turning handle 23 An elastic member 24 and a locking bolt 25 are formed. One end of the first rod member 21 is convexly provided with a latching portion 211. The latching portion 211 can be a tooth portion, and the end surface of the other end is provided with a screw hole 212. And the ratchet-like interlocking protrusion 213, the first guiding sleeve 22 is movably sleeved on the first rod member 21, and has a large head portion 221, and the outer diameter of the barrel body can be fitted through the inner diameter of the bearing 12 The middle portion of the first handle 23 is provided with a vertical cylindrical driving head 231. The driving head 231 has a through hole 2311 at the center thereof, and a plurality of ratchet-shaped notches 2312 are formed on the periphery of one end surface, and the elastic member 24 is sleeved on the locking bolt. On the outer edge of the 25, the locking bolt 25 is screwed through the through hole 2311 of the first handle 23 and the screw hole 212 of the first rod member 21 to compress the elastic member 24 to compress the first handle 23 with appropriate elasticity. The driving head 231 is biased against the first rod member 21, so that the ratchet-shaped notch 2312 of the driving head 231 and the interlocking protrusion 213 of the first rod member 21 are properly pressed. The second adjuster 3 is composed of a second rod member 31, a second guiding sleeve 32 and a second rotating handle 33. The second rod member 31 has a latching portion at one end. 311, the latching portion 311 can be a tooth portion, and a fixing hole 312 is disposed at the other end. The second guiding sleeve 32 is sleeved on the second rod member 31 and has a large head portion 321 outside the barrel body. The diameter of the second bearing 33 is fixed to the fixing hole 312 of the second rod 31.

When the combined length of the first inner sleeve and the second inner sleeve in the five-way pipe is to be adjusted, the first rod 21 and the second regulator 3 of the first adjuster 2 are first shown as shown in the third figure. The second rod member 31 is oppositely penetrated into the first inner sleeve 13 and the second inner sleeve 14 of the five-way pipe 1, and then the first adjuster 2 is first as shown in the fourth, fifth and sixth figures. The barrel of the guiding sleeve 22 and the barrel of the second guiding sleeve 32 of the second regulator 3 are aligned with the inner hole of the two bearings 12 of the five-way tube 1 and are sleeved by the five-way tube 1 and the second bearing 12 In the inner hole, the first rod 21 of the first adjuster 2 and the second rod 31 of the second adjuster 3 are guided to be aligned with the center, so that the first rod 21 and the second rod 21 of the first rod 21 The latching portion 311 of the member 31 is respectively engaged with the latching unit 132 of the first inner sleeve 13 of the five-way tube 1 and the latching unit 142 of the inner edge of the second inner sleeve 14, respectively, as may be the seventh, eighth, As shown in FIG. 9 , in a state where the second adjuster 3 is kept stationary, the first handle 23 of the first adjuster 2 is rotated, and the first turn 23 is driven by the elastic force of the elastic member 24 to maintain the first turn 23 driving head 231. The joint of the ratchet-shaped notch 2312 and the first rod 21 The first inner handle 23 drives the first rod member 21 to rotate, and then the first inner sleeve 13 rotates through the latching portion 211 of the first rod member 21, so that the first inner sleeve 13 is rotated. The combined length with the second inner sleeve 14 is changed to be elongated or shortened, and when the combined length of the first inner sleeve 13 and the second inner sleeve 14 is adjusted to extend to the position between the two bearings 12, The resistance of the rotation of the first rod 21 is greater than the force of the ratchet-shaped notch 2312 of the driving head 231 of the first rotating handle 23 and the interlocking projection 213 of the first rod 21, and the force will be The first turn 23 drive head 231 forces the elastic member 24 to compress and deform, and automatically forms an idling state.

With the structure of the above specific embodiment, the following advantages are obtained:

1. When performing the adjustment operation, the first rod member 21 of the first adjuster 2 and the second rod member 31 of the second adjuster 3 are firstly opposed to the first inner sleeve 13 of the five-way pipe 1 and In the second inner sleeve 14, the first and second guide sleeves 22, 32 of the first adjuster 2 and the second adjuster 3 are then sleeved on the inner edge of the two bearings 12, and the first guide is guided. The latching portions 211, 311 of the first and second lever members 21, 31 of the adjuster 2 and the second adjuster 3 and the latching units 132, 142 of the inner edges of the first inner sleeve 13 and the second inner sleeve 14 The card is engaged, so the operation is convenient and the function of the adjustment center is provided, and the utility is good.

2. The driving head 231 of the first adjuster 2 of the first adjuster 2 is locked by the elastic member 24 with the locking bolt 25, so that the ratchet-shaped notch 2312 and the first rod 21 are ratcheted. The interlocking projection 213 is coupled with the appropriate pressing force, and the first adjuster 2 can be made when the first inner sleeve 13 and the second inner sleeve 14 of the five-way pipe 1 are surely abutted between the two bearings 12 A turn 23 automatically forms an idling state, and the adjustment action is precise and convenient, and the force is easy to apply.

1. . . Five-way pipe

11. . . Tube body

111. . . Through hole

112. . . Combined slot

12. . . Bearing

13. . . First inner sleeve

131. . . External thread

132. . . Card unit

14. . . Second inner sleeve

141. . . internal thread

142. . . Card unit

2. . . First adjuster

twenty one. . . First rod

211. . . Card department

212. . . Screw hole

213. . . Linkage bump

twenty two. . . First guiding sleeve

221. . . Big head

twenty three. . . First turn

231. . . Drive head

2311. . . perforation

2312. . . Missing slot

twenty four. . . Elastic component

25. . . Lock bolt

3. . . Second adjuster

31. . . Second member

311. . . Card department

312. . . Fixed hole

32. . . Second guiding sleeve

321. . . Big head

33. . . Second turn

First Figure: An exploded perspective view of the present invention.

The second figure is a schematic diagram of the three-dimensional combination and use action of the present invention.

The third figure is a schematic diagram of the action of the adjuster of the present invention penetrating into the five-way pipe.

The fourth figure is a schematic diagram of the action of the guide sleeve of the adjuster of the present invention and the five-way tube bearing.

Fig. 5 is a schematic view showing the operation of the adjusting sleeve and the five-way bearing of the adjusting device of the present invention.

Fig. 6 is a cross-sectional view showing the adjustment of the present invention.

Figure 7 is a perspective view showing the adjustment operation of the present invention.

Figure 8 is a schematic cross-sectional view of the adjustment action of the present invention.

Figure 9 is a cross-sectional view showing the inner sleeve of the present invention adjusted to a position.

1. . . Five-way pipe

11. . . Tube body

111. . . Through hole

112. . . Combined slot

12. . . Bearing

13. . . First inner sleeve

131. . . External thread

132. . . Card unit

14. . . Second inner sleeve

141. . . internal thread

142. . . Card unit

2. . . First adjuster

twenty one. . . First rod

211. . . Card department

212. . . Screw hole

213. . . Linkage bump

twenty two. . . First guiding sleeve

221. . . Big head

twenty three. . . First turn

231. . . Drive head

2311. . . perforation

2312. . . Missing slot

twenty four. . . Elastic component

25. . . Lock bolt

3. . . Second adjuster

31. . . Second member

311. . . Card department

312. . . Fixed hole

32. . . Second guiding sleeve

321. . . Big head

33. . . Second turn

Claims (6)

The utility model relates to a bicycle five-way pipe inner sleeve adjuster, wherein the five-way pipe system comprises at least two bearings, a mandrel, a first inner bushing and a second inner bushing, wherein the first inner bushing and the first inner bushing are combined The inner inner sleeves are provided with corresponding inner and outer threads, and can be screwed to each other, and the inner edge is provided with a latching unit for the rotation of the adjuster, wherein the adjuster has a rod and a guiding sleeve. One end of the rod protrudes from a clamping portion engageable with the first and second inner sleeve clamping units of the five-way tube, and the guiding sleeve is sleeved on the rod and can drive the rod The guide is aligned with the center, so that the latching portion of the rod is engaged with the first and second inner sleeve of the five-way tube, and the first and second inner sleeves of the five-way tube are driven by the rod Rotating, adjusting the combined length of the first inner sleeve and the second inner sleeve. For example, the bicycle five-way pipe inner sleeve adjuster according to the first aspect of the patent application, wherein the outer diameter of the cylinder of the guiding sleeve can be put on the inner diameter of the bearing of the five-way pipe. The bicycle five-way pipe inner sleeve adjuster according to claim 1, wherein the adjuster can perform an adjustment action on the first inner sleeve and the second inner sleeve that penetrate the five-way pipe. The bicycle five-way pipe inner sleeve adjuster according to claim 1, wherein the adjuster further comprises a rotary handle, an elastic component and a locking bolt, and the end face of the adjuster rod member is provided with a screw hole. And a linkage bump, the middle portion of the rotary handle is provided with a vertical cylindrical driving head, the driving head has a through hole at the center thereof, and a plurality of missing slots are formed on a peripheral end of the end surface, and the elastic component is sleeved on the outer edge of the locking bolt, and the lock is locked The bolt is forced to pass through the through hole of the handle and the screw hole of the rod is screwed, so that the elastic element is compressed and the drive head of the handle is elastically biased to the rod with appropriate elasticity, thereby making the drive head lack of slot and The interlocking lugs of the rods are interlocked with a suitable pressing force. The bicycle five-way tube inner sleeve adjuster according to claim 4, wherein the interlocking protrusion of the adjuster rod and the missing slot of the rotary drive head are in a ratchet shape. The bicycle five-way pipe inner sleeve adjuster according to claim 1, wherein the adjuster further comprises a rotary handle, and the adjuster rod member is further provided with a fixing hole at the end, and the rotary handle is disposed on the rod member. The fixing holes are fixed in combination.