TWM548086U - Shock absorber - Google Patents

Description

Shock Absorbers

This creation is about a shock absorber.

Since the ground is not flat, the vehicle will continue to vibrate up and down as the road surface is bumped. This will not only cause damage to internal components, but also cause discomfort and injury to the human body. Therefore, the shock generated by the up and down vibration when absorbing or buffering the brakes or passing through the uneven surface is provided by installing the shock absorber. Among them, the shock absorber converts the generated impulse (vibration energy) into heat energy through the resistance of the internal oil body flowing through each component (such as a piston and a orifice) to achieve the buffering effect.

However, in such a shock absorber, the specifications of the internal components are fixed, for example, but not limited to the hardness of the suspension spring and the damping force during the operation, so the same type of shock absorber can only provide the same model. Use, and can not be further adjusted with different riders or environmental needs. Therefore, the existing shock absorbers cannot meet various different use requirements, and there are drawbacks that need to be improved.

The main purpose of this creation is to provide a shock absorber that can adjust the damping size according to the use environment and the rider's preference to fully satisfy various road conditions and provide comfort during riding.

In order to achieve the above object, the present invention provides a shock absorber comprising: a housing unit and a buffer unit. The housing unit includes a first tubular member and a second tubular member connected to each other, and the first and second tubular members define an internal space. The buffer unit is disposed in the inner space, and includes a pressing mechanism and a shock absorbing mechanism. The shock absorbing mechanism includes a damping component. The damping component is provided with a cylinder, an air bag for accommodating a gas, and a gas regulating unit. The gas regulating unit comprises a gas passage and a gas valve, wherein the gas passage is disposed in the cylinder and selectively connects to the outside and the airbag, and the gas valve is disposed in the gas passage for blocking The airbag is connected to the outside world. Wherein, when an external force acts to bring the first tubular member and the second tubular member relatively close, the pressing mechanism pushes against the shock absorbing mechanism, and the airbag is compressed and deformed by force; when the external force is removed, the pressing mechanism is not Pushing against the shock absorbing mechanism, the airbag expands back to its original size.

The structural features of the present invention and the intended effects thereof will be described below by way of a preferred embodiment, but are not intended to limit the scope of the present invention.

Referring to FIG. 1 to FIG. 6 , an embodiment of the present invention is shown. The shock absorber of the present invention comprises a housing unit 1 and a buffer unit 21 .

The housing unit 1 includes a first tube member 11 and a second tube member 12 connected to each other, and the first and second tubes 11 and 12 define an internal space 13. A shock absorber spring 22 is disposed on the housing unit 1 such that the first and second tubular members 11, 12 have a tendency to move away from each other. The buffer unit 21 is disposed in the internal space 13 . The buffer unit 21 includes a pressing mechanism 3 and a shock absorbing mechanism 4 . The pressing mechanism 3 is positioned on one of the first and second tubular members 11 , 12 . The shock absorbing mechanism 4 is positioned at the other of the first and second tubular members 11, 12.

In this embodiment, the radial dimension of the first tubular member 11 is larger than the radial dimension of the second tubular member 12, the pressing mechanism 3 is positioned on the second tubular member 12, and the shock absorbing mechanism 4 is positioned on the first tubular member 11 . Moreover, the first pipe member 11 is connected to a steering structure of a vehicle body, and the second pipe member 12 is connected to the wheel of the vehicle body, so that the shock absorbing mechanism 4 can be remote from the braking system, and can be avoided when driving for a long time or when the braking is intense. The high temperature affects the operation of the shock absorbing mechanism 4; and the larger diameter of the first tubular member 11 can withstand a large torque to improve durability.

The shock absorbing mechanism 4 includes a working tube 41 for accommodating a liquid and a damper assembly 42. The piston 31 of the pressing mechanism 3 is inserted into the working tube 41 for pushing against the liquid. The damper assembly 42 includes a cylinder 421, a hollow damper tube 423, a valve body 424, an air bag 61 for containing a gas, and a conditioned unit 7.

In more detail, the air bag 61 is received in the cylinder 421. The cylinder 421 is connected to the working tube 41. The damper tube 423 is disposed inside the cylinder 421. The valve body 424 is positioned on the damper tube 423. An accommodating space 422 is defined between the inner wall of the cylinder 421 and the inner wall of the cylinder 421. The valve body 424 can selectively circulate the liquid in the accommodating space 422 and the working tube. The interior of 41.

In more detail, the air bag 61 is disposed in the accommodating space 422. The damper tube 423 is disposed through at least one liquid passage 429. The accommodating space 422 communicates with the working tube 41 via the at least one liquid passage 429. The ventilating unit 7 includes a gas passage 71 and a gas valve 72. The gas passage 71 is disposed on the cylinder 421 and selectively communicates with the outside air and the air bag 61. The gas valve 72 is disposed on the gas passage 71 for blocking The air bag 61 is disconnected from the outside.

In this embodiment, the number of the at least one liquid passage 429 is two. The working tube 41 is screwed to the barrel 421. The damper tube 423 is screwed to the barrel 421 to facilitate rapid assembly and disassembly. Similarly, the barrel 421 is screwed to the first tube 11. In addition, the liquid system is an oil body (damping oil with better viscosity), and the gas is preferably nitrogen gas, because the coefficient of thermal expansion is low, so the gas pressure does not rise significantly when the temperature rises, so that the whole The shock absorber provides a stable suspension effect.

When the external force acts to bring the first tube member 11 and the second tube member 12 relatively close, the shock absorber spring 22 is compressed, and the pressing mechanism 3 is pushed against the shock absorbing mechanism 4, and the air bag 61 is compressed and deformed by force. That is, the piston 31 pushes the liquid into the accommodating space 422 from the working tube 41 to compress the air bag 61. When the external force is removed, the shock absorber spring 22 rebounds, the pressing mechanism 3 does not push against the shock absorbing mechanism 4, the first tubular member 11 and the second tubular member 12 are relatively far away, and the airbag 61 expands and returns to the initial state. The liquid is returned to the working tube 41 from the accommodating space 422.

Further, the air valve 72 is provided with a normally closed air inlet portion 73. The air inlet portion 73 is reversibly deformable for a gas guide member A (such as a ball needle) to pass through and communicate with the gas passage 71. The air guide A can charge/deflate the air bag 61 to control the air pressure. Wherein, when the internal air pressure of the air bag 61 is large, the liquid is not easy to compress the air bag 61, that is, the compression damping is large, so that the shock spring 22 needs a large force to be compressed, the first and the first The two tubular members 11, 12 are slow to each other (commonly referred to as the shock absorber is hard); conversely, when the internal air pressure of the airbag 61 is small, the airbag 61 is easily compressed, and the compression damping is small, the first and second The pipe members 11, 12 are close to each other at a high speed (commonly known as the shock absorber becomes soft).

Furthermore, the air bag 61 can assist in pushing the liquid backflow during the expansion process to prevent the reflow speed from being too slow to generate air bubbles. Moreover, the air bag 61 can be separated from the gas reliably and quickly, and the assembly is convenient and fast, and the machining precision is not required, so that the production and the production cost can be relatively favorable.

Preferably, the damper assembly 42 further includes a support seat 63 located at the damper tube 423. The damper tube 423 extends through the air bag 61 and protrudes from an open end 62 of the air bag 61. The support seat 63 is sleeved. The open end 62 is sealed and blocked to block the interior of the air bag 61 from communicating with the accommodating space 422, so that the air bag 61 is not compressed by the open end 62 during the compression deformation process, so as to achieve the desired air pressure. . In the present embodiment, the air bag 61 is in the shape of a bottle, and the air bag 61 is made of a rubber material. The support base 63 is provided with a head portion 631, a body portion 633 and a ring tongue 634. At least one of the consistent passages 632 of the liquid passage 429, the body portion 633 radially envelopingly encloses the open end 62, the annular projection 634 extending obliquely outwardly of the body 633 and against the bladder 61 The airbag 61 can be supported in both axial and radial directions.

In another preferred embodiment, the damper unit 42 further includes an oil adjusting unit 8 . The oil adjusting unit 8 includes an adjusting rod 82 and an adjusting port 832 . The adjusting port 832 is disposed inside the damper tube 423 . The adjusting rod needle 82 is axially movably inserted into the damper tube 423 for external control, and the top portion 821 of the adjusting rod needle 82 can selectively axially penetrate the adjusting port 832 to change the adjusting port 832. Radial opening size. In this way, the compression damping can be adjusted by changing the size of the adjusting port 832. In more detail, when the opening of the adjusting port 832 is smaller, the slower the liquid returns to the working tube 41, the greater the compression damping. Conversely, the larger the opening of the adjustment port 832, the smaller the compression damping. In more detail, the oil adjusting unit 8 cooperates with the air conditioning unit 7 to perform double adjustment compression damping, which can achieve a wider adjustment range and finer adjustment. For example, the user can assemble according to the The car body is different, the rider's weight is changed, and the riding condition is adjusted for both, in order to have a better and more comfortable cushioning shock absorption effect.

In the embodiment, the oil regulating unit 8 is further provided with a connecting member 83 and a second elastic member 84. The connecting member 83 is disposed inside the damper tube 423, and one end of the connecting member 83 is disposed at the end. The adjusting port 832 has a connecting port 831 at the other end. The second elastic member 84 is elastically engaged between the connecting member 83 and the adjusting rod pin 82, so that the top portion 821 has a tendency to be away from the adjusting port 832.

Moreover, the oil adjusting unit 8 is further provided with a twisting 85 for external rotation and a screw 86. The twisting 85 is rotatably disposed on the cylinder 421, and the screw 86 is interposed between the adjusting rod needle 82 and the screw Between the twisters 85, the screw 85 and the screw member 86 are in the same rotational relationship. The screw member 86 is movably screwed inside the damper tube 423 and located at an end away from the top portion 821. The adjustment rod needle 82 is pushed against the abutment. Specifically, the knob 85 is rotatably positioned on the cylinder 421, and the knob 85 extends axially with a convex portion 851. The screw member 86 is axially recessed with a groove portion 861, and the convex portion 851 can be The axial movement is limited to the groove portion 861.

It is to be further discussed that when the vehicle body is slow and the vibration occurs, the liquid flow rate is slow, and the liquid is mainly circulated through the damper tube 423 between the working tube 41 and the accommodating space 422; When the vehicle body is faster and vibrates, the liquid flow rate is faster, and the liquid is mainly circulated through the valve body 424.

In the embodiment, the valve body 424 is provided with a first side portion 425 facing the air bag 61, a second side portion 426 facing the working tube 41, and a plurality of compression passages 427 and a plurality of axially extending portions. The plurality of compressed flow channels 427 and the plurality of rebound flow channels 428 are alternately arranged in a staggered manner. A stacked sheet unit 51 is disposed on the first side portion 425 and shields only the plurality of compressed flow channels 427. A backing assembly 52 is disposed on the second side portion 426 and shields only the plurality of rebound flow passages 428.

When the first tube member 11 and the second tube member 12 are relatively close and the liquid reaches a predetermined flow rate, the liquid pushes the sheet unit 51 to flex open, and the liquid enters through the plurality of compression passages 427 and the damper tube 423 at the same time. The accommodating space 422; when the first tube member 11 and the second tube member 12 are relatively far apart, the liquid pushes the non-return assembly 52 to open, and the liquid is simultaneously returned through the plurality of rebound flow passages 428 and the damper tube 423 The work tube 41. The anti-reverse assembly 52 is provided with a first elastic member 521, a base 522 and a valve plate 523. The base 522 is disposed on the damper tube 423, and the valve plate 523 is movably sleeved on the damper tube. 423, the first elastic member 521 is elastically caught between the base 522 and the valve plate 523, so that the valve plate 523 normally covers the plurality of rebound flow passages 428.

Preferably, the shock absorber further includes an exhausting assembly 9 having an exhaust passage 91 fixedly disposed in the tubular body 421 and a blocking member 92, the exhaust passage 91 communicating with the first tubular member The inside of the 11 is disposed in the exhaust passage 91 for blocking the connection with the outside. When the stopper 92 is removed, the excess gas located in the first pipe member 11 can be discharged to restore the preset pressure to keep the shock absorber moving smoothly.

In summary, the creation of the shock absorber allows the user to double-adjust the compression damping size according to the usage requirements and through the air conditioning unit and the oil adjustment unit, and can provide a more diverse and appropriate shock absorption effect depending on the environment. More comfortable. Moreover, the airbag is easy to assemble and has low precision, which makes assembly and assembly quick, convenient and cost-effective.

1‧‧‧Sheet unit

11‧‧‧First pipe fittings

12‧‧‧Second pipe fittings

13‧‧‧Internal space

21‧‧‧buffer unit

22‧‧‧Shock absorber spring

3‧‧‧Compensation mechanism

31‧‧‧Piston

4‧‧‧Shocking mechanism

41‧‧‧Work tube

42‧‧‧damage components

421‧‧‧Cylinder

422‧‧‧ accommodating space

423‧‧‧damper tube

424‧‧‧ valve body

425‧‧‧ first side

426‧‧‧ second side

427‧‧‧Compressed runner

428‧‧‧Rebound runner

429‧‧‧Liquid channel

51‧‧‧Sheet unit

52‧‧‧Back assembly

521‧‧‧First elastic parts

522‧‧‧Base

62‧‧‧Open end

63‧‧‧ support

631‧‧‧ head

632‧‧‧through holes

633‧‧‧ Body

634‧‧‧ ring crown

7‧‧‧ gas conditioning unit

71‧‧‧ gas passage

72‧‧‧ gas valve

73‧‧‧Intake Department

8‧‧‧ oil transfer unit

82‧‧‧Adjustment rod

821‧‧‧ top

83‧‧‧Connecting parts

831‧‧‧ connector

832‧‧‧ adjustment port

84‧‧‧Second elastic parts

85‧‧‧ knob

851‧‧‧ convex

86‧‧‧ screw

861‧‧‧ 容容部

9‧‧‧Exhaust components

91‧‧‧Exhaust passage

92‧‧‧ §

523‧‧‧ Valves

61‧‧‧Airbag

A‧‧‧ air guide

Figure 1 is a cross-sectional view of an embodiment of the present invention. Figure 2 is a perspective view of the shock absorbing mechanism of the present invention. Figure 3 is an exploded view of the damper assembly of the present invention. Figure 4 is a schematic view of the fluid compression bladder of the present invention. Figure 5 is a schematic view of the fluid return of the present invention. Figure 6 is a schematic diagram of the tempering of the creation.

1‧‧‧Sheet unit

11‧‧‧First pipe fittings

12‧‧‧Second pipe fittings

13‧‧‧Internal space

21‧‧‧buffer unit

22‧‧‧Shock absorber spring

3‧‧‧Compensation mechanism

31‧‧‧Piston

4‧‧‧Shocking mechanism

41‧‧‧Work tube

42‧‧‧damage components

Claims (10)

A shock absorber comprising: a housing unit comprising a first tube member and a second tube member connected to each other, the first and second tubes enclosing an internal space; a buffer unit disposed at the The inner space includes a pressing mechanism and a shock absorbing mechanism, the shock absorbing mechanism includes a damper assembly, and the damper assembly is provided with a cylinder and an air bag accommodating a gas, wherein the air bag is accommodated in the cylinder; When the external force acts to bring the first tubular member and the second tubular member relatively close, the pressing mechanism pushes against the shock absorbing mechanism, and the airbag is compressed and deformed by force; when the external force is removed, the pressing mechanism does not push the shock absorber Mechanism, the balloon expands back to its original size. The shock absorber of claim 1, wherein the damper assembly is further provided with a ventilating unit, the ventilating unit comprises a gas passage and a gas valve, wherein the gas passage is disposed in the cylinder and is selectively connectable to the outside and The air bag is disposed on the gas passage to block the airbag from communicating with the outside. The shock absorber according to claim 1, wherein the shock absorbing mechanism further comprises a working tube for accommodating a liquid, wherein a piston of the pressing mechanism is inserted into the working tube for pushing against the liquid, and the damping component is further The utility model comprises a hollow damper tube and a valve body, the cylinder body is connected to the working tube, the damper tube is arranged inside the cylinder body, and the valve body is positioned between the damper tube and the inner wall of the cylinder body, thereby The inner wall of the cylinder encloses an accommodating space, the valve body is configured to selectively circulate the liquid in the accommodating space and the inside of the working tube, and the air bag is accommodated in the accommodating space, the damper tube Between the at least one liquid passage, the accommodating space communicates with the working tube via the at least one liquid passage; wherein when the first tubular member and the second tubular member are relatively close, the piston pushes the liquid into the working tube The accommodation space to compress the airbag; When the first tube member and the second tube member are relatively far apart, the air bag expands, and the liquid is returned from the accommodating space to the working tube. The shock absorber according to claim 3, wherein the valve body is provided with a first side facing the air bag, a second side facing the working tube, and a plurality of compression flow passages and a plurality of times a plurality of compressed flow channels and the plurality of rebound flow channels are alternately arranged in a staggered manner, a stacked sheet unit is disposed on the first side portion and shields only the plurality of compressed flow channels, and a non-reverse component is disposed on the The second side portion and only the plurality of rebound flow passages are shielded. The check assembly is provided with a first elastic member, a base and a valve piece. The base sleeve is disposed at the damper tube, and the valve plate is movable. The first elastic member is elastically biased between the base and the valve plate, so that the valve plate normally covers the plurality of rebound flow passages; wherein, when the first tubular member and the first tubular member are When the second tube is relatively close and the liquid reaches a predetermined flow rate, the liquid pushes the sheet unit to open, and the liquid enters the accommodating space through the plurality of compression channels and the damper tube; when the first tube and the first tube When the two tubular members are relatively far apart, the liquid pushes the non-return component to open, The liquid is simultaneously returned to the working tube via the plurality of rebound flow paths and the damper tube. The shock absorber of claim 3, wherein the damper assembly further comprises an oil adjustment unit, the oil adjustment unit includes an adjustment rod and an adjustment port, the adjustment port is disposed transversely inside the damper tube, the adjustment The rod is axially movably inserted into the damper tube for external control, and the top of one of the adjusting rods is selectively axially inserted through the adjusting port to change the radial opening size of the adjusting port. The shock absorber according to claim 5, wherein the oil adjusting unit is further provided with a connecting member and a second elastic member, the connecting member is disposed inside the damping tube, and one of the connecting members is disposed at the end The adjusting port and the other end are provided with a connecting port, and the second elastic member is elastically engaged between the connecting member and the adjusting rod needle, so that the top portion has a tendency to be away from the adjusting port. The shock absorber according to claim 6, wherein the oil adjustment unit is further provided with a knob for rotating the outside and a screw, wherein the knob is rotatably disposed on the cylinder, and the screw is interposed between the adjusting rod Between the needle and the knob, the knob and the screw member are in the same rotational relationship, and the screw member is movably screwed inside the damper tube and located at an end away from the top portion, the screw member is used for pushing against Reach the adjustment rod. The shock absorber according to claim 1, further comprising an exhausting component, wherein the exhausting component is provided with an exhaust passage that is consistently disposed on the tubular body, and a blocking member that communicates with the first tubular member Internally, the blocking member is disposed on the exhaust passage for blocking communication with the outside. The shock absorber according to any one of claims 3 to 7, wherein the damper assembly further comprises a support seat located at the damper tube, the damper tube passing through the air bag and protruding from an opening of the air bag The support sleeve sleeves and seals the open end, thereby blocking the interior of the airbag from communicating with the accommodating space. The shock absorber according to claim 7, wherein the valve body is provided with a first side facing the air bag, a second side facing the working pipe, and a plurality of compression flow passages and a plurality of times a plurality of compressed flow channels and the plurality of rebound flow channels are alternately arranged in a staggered manner, a stacked sheet unit is disposed on the first side portion and shields only the plurality of compressed flow channels, and a non-reverse component is disposed on the The second side portion and only the plurality of rebound flow passages are shielded. The check assembly is provided with a first elastic member, a base and a valve piece. The base sleeve is disposed at the damper tube, and the valve plate is movable. The first elastic member is elastically biased between the base and the valve plate, so that the valve plate normally covers the plurality of rebound flow passages; wherein, when the first tubular member and the first tubular member are When the second tube is relatively close and the liquid reaches a predetermined flow rate, the liquid pushes the sheet unit to open, and the liquid enters the accommodating space through the plurality of compression channels and the damper tube; when the first tube and the first tube When the two tubular members are relatively far apart, the liquid pushes the non-return component to open, The liquid is simultaneously returned to the working tube via the plurality of rebound flow passages and the damper tube; the knob is rotatably positioned In the cylinder, the knob extends axially with a convex portion, and the screw member is axially recessed with a groove portion, the convex portion is axially movable to be limited to the groove portion; the damping assembly is further provided with a gas regulating portion. The gas regulating unit comprises a gas passage and a gas valve, wherein the gas passage is disposed in the cylinder and is selectively connectable to the outside and the airbag, and the gas valve is disposed in the gas passage for blocking the airbag from communicating with the outside; The air valve is provided with a normally closed air inlet portion, and the air inlet portion is reversibly deformable for a gas guiding member to pass through and communicate with the gas passage; the damping assembly further comprises a supporting seat located at the damping tube, the damping The tube is disposed through the airbag and protrudes from an open end of the airbag. The support seat sleeves and seals the open end, thereby blocking the interior of the airbag from communicating with the accommodating space; the support seat is provided with a head, a body portion and a ring-shaped tenon, the head portion having at least one of the consistent holes corresponding to the at least one liquid passage, the body portion radially enclosing the open end, the ring lug extending obliquely to the body And attached to the air bag; the at least one liquid passage The quantity is two; the gas system is nitrogen, the liquid system is an oil body; the air bag is in the shape of a bottle, the air bag is composed of a rubber material; the damper tube is screwed on the barrel; the radial direction of the first tube The first tubular member is connected to a steering structure of the vehicle body, and the second tubular member is connected to the wheel of the vehicle body; the pressing mechanism is positioned on the second tubular member, the shock absorbing mechanism Positioned in the first tube; the barrel is screwed to the first tube; the working tube is screwed to the barrel; the shock absorber further includes an exhaust assembly, the exhaust assembly is provided in the tube The exhaust passage of the body and a stop member communicate with the interior of the first tubular member, and the blocking member is disposed at the exhaust passage for blocking communication with the outside.