TWI542505B - Shock-absorbing device for being assembled on a front wheel of motorcycle - Google Patents

Description

Locomotive front wheel shock absorber

The invention relates to a suspension device, and in particular to a front wheel suspension device for a locomotive.

According to the general locomotive, because of the sensitivity of the activity, there will be no parking troubles. Therefore, in the crowded traffic, it is widely used by the general public as a means of transportation, and the locomotive is driven by the locomotive. The bumps on the road surface or other factors will produce a vertical vibration force, causing the rider to feel uncomfortable due to vibration. Therefore, shock absorbers will be provided at the wheels to reduce the discomfort caused by the vibration force. sense. The shock absorber disclosed in TW M480506 belongs to this type. The shock absorber of the front wheel has a second suspension rod. When installed, the axle is inserted through a perforation at one end of the two suspension rods and located at the second The tire shaft hole between the suspension rods, the other end of the two suspension rods is assembled on the frame of the locomotive, thereby reducing the uncomfortable feeling caused by the vibration force.

However, conventional shock absorbers must be assembled with very precise alignment of the axles through the perforations of the tire shaft holes and the second suspension rods, and the two suspension rods are attached to the frame, while the frame of the locomotive is manufactured. It is inevitable that there will be a dimensional error, or the locomotive will inevitably be slightly distorted due to the shock of the bumpy road when riding for a period of time. When the frame of the locomotive is deformed, it will lead to assembly. The piercing of the suspension rod cannot be located on the same axis, which makes it impossible to go smoothly. The piercing of the axle through the tire shaft hole and the second suspension rod has the defects that need to be improved.

Therefore, it is necessary to provide a novel and progressive locomotive front wheel suspension device to solve the above problems.

The main object of the present invention is to provide a front wheel suspension device for a locomotive, which can be easily assembled to the front wheel of the locomotive.

To achieve the above object, the present invention provides a locomotive front wheel suspension device for mounting on a locomotive, the locomotive front wheel suspension device comprising two suspension bars, a triangular pedestal and at least one adjustment ring. The two suspension rods are respectively disposed on two sides of the front wheel of the locomotive, and each of the suspension rods is provided with a shaft hole. The triangular pedestal includes a main frame and two opposite brackets connected to the frame of the locomotive, and the two brackets are respectively connected to the two suspension rods. The at least one adjusting ring member is disposed at least in the shaft hole of the shock absorbing rod, and an axle is disposed between the front wheel and the adjusting ring member, and the inner peripheral wall of each adjusting ring member is The outer peripheral wall is respectively engaged with the shaft hole wall and the axle, and the inner peripheral wall and the outer peripheral wall of each of the adjusting ring members are relatively displaceable.

1‧‧‧Motorcycle front wheel shock absorber

2‧‧‧Shock absorber

3‧‧‧Triangle pedestal

4‧‧‧Adjustment ring

5‧‧‧Axle

6‧‧‧ bushings

7‧‧‧Connecting parts

9‧‧‧Motorcycle

21‧‧‧Axis hole

22‧‧‧Inner tube

23‧‧‧Outer tube

24‧‧‧ piston rod

222‧‧ ‧ blocking

231‧‧‧ air chamber

241‧‧‧External thread

261‧‧‧C-shaped fasteners

281‧‧‧Perforation

282‧‧‧ Cover

283‧‧‧ accommodating slots

291‧‧‧Threaded Department

31‧‧‧Main frame

32‧‧‧ bracket

33‧‧‧C-rings

41‧‧‧ inner wall

25‧‧‧Piston

26‧‧‧ radial flange

27‧‧‧ Spring

28‧‧‧ 盖部

29‧‧‧Locker

221‧‧‧ oil room

42‧‧‧ peripheral wall

43‧‧‧ cushioning element

61,62,63,65‧‧‧Seal

64‧‧‧buffer washer

91‧‧‧ front wheel

92‧‧‧ frame

1 is a partial perspective view of a preferred embodiment of the present invention.

2 is a partial exploded view of a preferred embodiment of the present invention.

Figure 3 is a partial cross-sectional view of a preferred embodiment of the present invention.

4 is another partial cross-sectional view of a preferred embodiment of the present invention.

Figure 5 is a partial schematic view of a preferred embodiment of the present invention.

Figure 6 is a schematic view of the assembly of a preferred embodiment of the present invention.

The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the invention as claimed.

Please refer to FIG. 1 to FIG. 6 to illustrate a preferred embodiment of the present invention. The locomotive front wheel suspension device 1 of the present invention is mounted on a locomotive 9, which includes two suspension rods 2, a triangular pedestal 3 and at least one Adjust the ring member 4.

The two suspension rods 2 are respectively disposed on two sides of one of the front wheels 91 of the locomotive 9, and each of the suspension rods 2 is provided with a shaft hole 21.

The triangular pedestal 3 includes a main frame 31 and two opposite brackets 32. The main frame 31 is connected to the frame 92 of the locomotive 9, and the two brackets 32 are respectively connected to the two suspension rods 2. Further, in the embodiment, the two brackets 32 are respectively disposed on opposite sides of the main frame 31, and each of the brackets 32 is provided with a C-shaped ring member 33 away from one end of the main frame 31, and each of the C-shaped rings The member 33 is assembled to the top end of the suspension rod 2 and the bracket 32 to fix the suspension rod 2 in a fixed manner.

The at least one adjusting ring member 4 is disposed at least in the shaft hole 21 of the shock absorbing rod 2. In the embodiment, the shaft hole 21 of each of the shock absorbing rods 2 is respectively provided with an adjusting ring member 4 and a sleeve 6 In other embodiments, the shaft hole 21 of each of the suspension rods 2 can be respectively provided with two adjustment ring members 4, or only one shaft hole 21 of the suspension rod 2 is provided with the adjustment ring member 4. Nothing is impossible. A wheel axle 5 is disposed between the front wheel 91 and the adjusting ring member 4, and the inner peripheral wall 41 and the outer peripheral wall 42 of each adjusting ring member 4 are respectively engaged with the hole wall of the shaft hole 21 and The axle 5, the inner peripheral wall 41 of each of the adjusting ring members 4 and the outer peripheral wall 42 are relatively displaceable. In the present embodiment, at least one cushioning member 43 may be further disposed between the inner peripheral wall 41 and the outer peripheral wall 42 of each of the adjusting ring members 4, In the embodiment, the cushioning member 43 is a rubber ring member interposed between the inner peripheral wall 41 and the outer peripheral wall 42 of the adjusting ring member 4. It is worth mentioning that, due to the turbulence of the locomotive 9 after a period of riding, it is inevitable that the frame 92 of the locomotive 9 will be slightly distorted and deformed, which may even cause the triangular pedestal 3 to be slightly distorted. When the present invention is installed on the front wheel 91 of the locomotive 9, the inner peripheral wall 41 and the outer peripheral wall 42 of each of the adjusting ring members 4 are relatively displaceable and between the inner peripheral wall 41 and the outer peripheral wall 42 of each of the adjusting ring members 4 The buffer shaft 43 is disposed. When the axle shaft 5 is disposed in the shaft hole 21 of the shock absorber 2 and the front wheel 91, and is intended to be inserted into the shaft hole 21 of the other shock absorber 2, the axle 5, the inner peripheral wall 41 of the adjusting ring member 4 in the shaft hole 21 of the other shock absorbing rod 2 can be moved to a certain distance, and the inner peripheral wall 41 can be easily moved through the inner peripheral wall 41. The inner peripheral wall 41 and the outer peripheral wall 42 of each of the adjusting ring members 4 are mutually reset to achieve a stable state, so that the present invention can be compared. The locomotive 9 is smoothly installed in a slightly twisted structure or slightly sized. It should be noted that in other embodiments, each of the cushioning elements may be a ball or a needle that is disposed between the inner peripheral wall and the outer peripheral wall of the adjusting ring member. In other embodiments, each adjusting ring member may also be used. For a fisheye bearing, the same can be smoothly installed on the locomotive with a slightly distorted structure or a slight error in size.

Each of the suspension rods 2 may further include an inner cylinder 22, an outer cylinder 23, and a piston rod 24. And a spring 27, the outer cylinder 23 is slidably sleeved on the inner cylinder 22. The outer cylinder 23 is further provided with a cover portion 28 at one end of the inner cylinder 22. The cover portion 28 is provided with a through hole 281. One end of the rod 24 is inserted through the through hole 281 of the cover portion 28, and the other end is located in the inner tube 22 and is connected with a piston 25, and the inner tube 22 is further provided with a blocking portion 222. The inner cylinder 22 is adjacent to one end of the outer cylinder 23 to prevent the piston 25 from being detached from the inner cylinder 22, and the piston 25 is used for The oil body is pushed into one of the oil chambers 221 of the inner cylinder 22, and the spring 27 is sleeved on the piston rod 24, and the two ends are respectively assembled to the lid portion 28 and the blocking portion 222.

Further, the cover portion 28 is provided with a receiving slot away from one end of the inner tube 22. 283, the through hole 281 is connected to the accommodating groove 283, and a part of the piston rod 24 protrudes from the through hole 281 and is located in the accommodating groove 283. In addition, the present invention may further include a locker 29 which is located in the receiving groove 283 and locks the piston rod 24 to the cover portion 28. Since the cover portion 28 is provided with the accommodating groove 283, the piston rod 24 can be partially accommodated in the accommodating groove 283, so that the piston rod 24 is prevented from being too long, so that the cover portion 28 cannot be smoothly covered. The outer cylinder 23, and thus the piston rod 24 can be of different lengths in other embodiments. Further, the piston rod 24 is preferably further provided with an external thread portion 241, and the locking member 29 can be further provided with an internal thread portion 291 screwed to the outer screw portion, so when the fastener 29 is rotated When the piston rod 24 is axially moved, the locking member 29 is fastened between the hole edge of the through hole 281 and the radial flange 26 of the piston rod 24 away from one end of the inner tube 22 to The piston rod 24 is fixed by the locking member 29. In the embodiment, the radial flange 26 is a C-shaped fastener 261. In other embodiments, the flange can be integrally formed on the piston rod 24. No. In addition, the present invention may further include a cushioning washer 64 that is sleeved on the piston rod 24 and is interposed between the hole edge of the through hole 281 and the locking member 29 to prevent the locking nut. 29 is too tightly locked to the edge of the hole 281, so that there is a margin between the lock 29 and the edge of the hole 281, and the piston rod 24 can be slightly moved in the radial direction to assemble the piston rod 24. It was smoother.

The cover portion 28 can further include a cover plate 282, when the piston rod 24 is fixed to the cover After the portion 28, the cover 282 can be placed on the notch of the accommodating groove 283 to prevent moisture and dust from entering the accommodating groove 283, and the lock 29 and the spring 27 are rust damaged.

In the embodiment, the outer cylinder 23 is provided with a gas chamber 231, and the gas chamber 231 Between the cover portion 28 and the blocking portion 222, preferably, the present invention may further comprise a connecting member 7 and a plurality of sealing members 61, 62, 63, 65, the connecting member 7 being connected to the outer tube 23 and In the present embodiment, the inner cylinders 22 are four sealing members 61, 62, 63, 65, and the sealing members 61, 62, 63, 65 are respectively disposed on the cover plate 282 and the receiving groove. Between the notches of 283, between the outer cylinder 23 and the connecting member 7, between the inner cylinder 22 and the connecting member 7, and between the cover portion 28 and the outer cylinder 23, so that the air chamber 231 The gas in the gas chamber 231 is leaked to the outside without being connected to the outside. Preferably, the gas system in the gas chamber 231 is an inert gas (such as nitrogen), and the gas in the spring 27 and the gas chamber 231 can be prevented. An oxidation reaction is generated to destroy the structural strength of the spring 27. When each of the shock absorbing rods 2 is forced to move the outer cylinder 23 downward with respect to the inner cylinder 22 and compress the spring 27, since the air chamber 231 is not in communication with the outside, the gas in the air chamber 231 is A pressure may be provided to resist the pressing force of the outer cylinder 23 to share the pressure of the oil chamber 221 and the spring 27. When the outer cylinder 23 is to be reset and moved upward relative to the inner cylinder 22, the air chamber 231 The gas inside can provide a gas pressure to more smoothly reset the outer cylinder 23 to share the pressure of the oil chamber 221 and the spring 27, so that the front wheel suspension device 1 of the locomotive has a more durable structure.

In summary, the inner peripheral wall of each of the adjusting ring members of the front wheel shock absorber of the locomotive of the present invention The outer peripheral wall is relatively displaceable and a cushioning member is disposed between the inner peripheral wall and the outer peripheral wall of each of the adjusting ring members. When the axle shaft is disposed in the shaft hole of the shock absorbing rod and the front wheel, and is intended to be inserted into another When the shaft hole of the suspension rod is used, the axle can be abutted against the inner peripheral wall of each of the adjusting ring members in the shaft hole of the other shock absorber rod, and the inner peripheral wall is moved by a certain distance, so that it is relatively easy to The axle is successfully threaded into the shaft hole of the other of the suspension rods.

Moreover, the piston rod protrudes from the through hole and is located in the receiving groove, which can be avoided The piston rod is too long and the cover portion cannot be smoothly covered on the outer cylinder, so the piston rod can be of different lengths.

In summary, the overall structural design, practicality and efficiency of the present invention are indeed It is fully in line with the needs of industrial development, and the disclosed structural invention is also an unprecedented innovative structure, so its "novelty" should be undoubted, and the invention can be more effective than the conventional structure. It also has "progressiveness". It fully complies with the requirements of the application requirements for invention patents in China's Patent Law. It is a patent application filed in accordance with the law and is subject to the early review and affirmation.

1‧‧‧Motorcycle front wheel shock absorber

2‧‧‧Shock absorber

5‧‧‧Axle

9‧‧‧Motorcycle

21‧‧‧Axis hole

22‧‧‧Inner tube

23‧‧‧Outer tube

31‧‧‧Main frame

32‧‧‧ bracket

33‧‧‧C-rings

91‧‧‧ front wheel

92‧‧‧ frame

Claims (9)

A front wheel suspension device for a locomotive is mounted on a locomotive, comprising: two suspension rods respectively mounted on one side of one of the front wheels of the locomotive, each of the suspension rods being provided with a shaft hole; a triangular pedestal including a connection a main frame and two opposite brackets, the main frame is connected to the frame of the locomotive, the two brackets are respectively connected to the two suspension rods; at least one adjusting ring member is disposed at least on the suspension rod a shaft hole, a wheel shaft is disposed between the front wheel and the adjusting ring member, and the inner peripheral wall and the outer peripheral wall of each adjusting ring member respectively abut against the shaft hole wall and the axle, respectively The inner peripheral wall and the outer peripheral wall of the adjusting ring member are relatively displaceable. The locomotive front wheel suspension device of claim 1, wherein each of the suspension rods comprises an inner cylinder, an outer cylinder, a piston rod and a spring, the outer cylinder slidably sleeved on the inner cylinder, the outer cylinder The cover is provided with a cover portion at one end of the inner tube, the cover portion is provided with a through hole, one end of the piston rod is disposed through the through hole of the cover portion, and the other end is located in the inner tube and is connected with a piston. The sleeve is further provided with a blocking portion disposed in the inner cylinder adjacent to one end of the outer cylinder, and the spring sleeve is sleeved on the piston rod and the two ends are respectively assembled to the cover portion and the blocking portion. The locomotive front wheel suspension device of claim 2, wherein the cover portion is provided with a receiving groove away from one end of the inner tube, the through hole is connected to the receiving groove, and the piston rod protrudes from the through hole and Located in the accommodating slot. The locomotive front wheel suspension device of claim 3, further comprising a lock fastener, the fastener being located in the accommodating groove and locking the piston rod to the cover portion. The locomotive front wheel suspension device of claim 4, wherein the piston rod is provided with an external threaded portion, and the locking member is provided with an internal threaded portion that is screwed to the outer screw portion, and the locking member is engaged with the threaded portion. The bore of the bore is between the piston rod and a radial flange of one of the ends of the inner cylinder. The locomotive front wheel suspension device of claim 5, further comprising a cushioning washer sleeved on the piston rod and sandwiched between the hole edge of the through hole and the lock. The locomotive front wheel suspension device of claim 3, wherein the outer cylinder is provided with a gas chamber interposed between the cover portion and the blocking portion, and further comprises a cover plate, a locking member and a connection. And a plurality of sealing members, the connecting member is connected between the outer tube and the inner tube, the cover plate is disposed on the notch of the receiving groove, the locking member is located in the receiving groove and the The piston rod is locked to the cover portion, and the sealing members are respectively disposed between the cover plate and the notch of the receiving groove, between the outer tube and the connecting member, between the inner tube and the connecting member, And between the cover portion and the outer tube such that the air chamber does not communicate with the outside. The locomotive front wheel suspension device of claim 1, wherein at least one cushioning element is disposed between the inner peripheral wall and the outer peripheral wall of the adjusting ring member. The locomotive front wheel suspension device of claim 1, wherein each of the suspension rods comprises an inner cylinder, an outer cylinder, a piston rod and a spring, the outer cylinder slidably sleeved on the inner cylinder, the outer cylinder The cover is provided with a cover portion at one end of the inner tube, the cover portion is provided with a through hole, one end of the piston rod is disposed through the through hole of the cover portion, and the other end is located in the inner tube and is connected with a piston. The sleeve is further provided with a blocking portion disposed in the inner cylinder adjacent to one end of the outer cylinder, the spring sleeve is sleeved on the piston rod and the two ends are respectively assembled to the cover portion and the blocking portion, The cover portion is disposed at an end of the inner tube, and the through hole is connected to the accommodating groove. The piston rod protrudes from the through hole and is located in the accommodating groove. The outer tube is provided with a gas chamber. The air chamber is disposed between the cover portion and the blocking portion, and further includes a cover plate, a locking member, a connecting member and a plurality of sealing members, the connecting member is connected between the outer tube and the inner tube, The cover plate is covered in the groove of the accommodating groove a locking member is disposed in the receiving groove and the piston rod is locked to the cover portion, the piston rod is provided with an external thread portion, and the locking member is provided with an internal thread portion screwed to the outer screw portion The fastener is fastened between the edge of the hole and the radial flange of the piston rod away from one end of the inner cylinder. The radial flange is a C-shaped fastener, and the seals are respectively Provided between the cover plate and the notch of the receiving groove, between the outer tube and the connecting member, between the inner tube and the connecting member, and between the cover portion and the outer tube, so that the The air chamber is not connected to the outside, and the two brackets are respectively disposed on opposite sides of the main frame, and each of the brackets is provided with a C-shaped ring member away from one end of the main frame, and each of the C-shaped ring members is sandwiched and assembled. At the top of the suspension rod and a bracket.