CN201539526U - Shock absorber with flow guiding function - Google Patents
Shock absorber with flow guiding function Download PDFInfo
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- CN201539526U CN201539526U CN2009202190433U CN200920219043U CN201539526U CN 201539526 U CN201539526 U CN 201539526U CN 2009202190433 U CN2009202190433 U CN 2009202190433U CN 200920219043 U CN200920219043 U CN 200920219043U CN 201539526 U CN201539526 U CN 201539526U
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- fixing rod
- grease chamber
- shock absorber
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Abstract
A shock absorber with a flow guiding function is characterized in that an outer cylinder, a hollow fixing rod, an inner pipe and a flow guiding element are included, wherein, the outer cylinder is provided with an upper opening and a lower bottom part; the hollow fixing rod is arranged in the outer cylinder, a fixing rod inner oil chamber is formed in the hollow interior of the fixing rod, the hollow fixing rod comprises a first end and a second end, and at least one through hole is formed on the hollow fixing rod, the first end is provided with a piston component, and the second end is fixedly connected to the lower bottom part; the inner pipe comprises an upper top part and a lower opening and is arranged between the outer cylinder and the hollow fixing rod through the lower opening in a sliding manner, a one-way valve is arranged on the lower opening, an inner pipe oil chamber is formed on the interior space of the inner pipe, the inner pipe oil chamber is communicated with the fixing rod inner oil chamber, and shock oil is stored in the inner pipe oil chamber; and the flow guiding element is arranged at the opening part of the first end and comprises a separation blade used for changing the flow direction of the shock oil inside the inner pipe oil chamber and the fixing rod inner oil chamber from the axial flow direction to the radial flow direction. The shock absorber of the utility model can be used for preventing the shock oil from being mixed with air since the shock oil is prevented from ejecting upwards directly under the rapid compressing or stretching circumstances of the shock absorber, and further, the utility model has stable damping force, and the effect of deterioration of the shock oil can be avoided.
Description
Technical field
The utility model relates to a kind of shock absorber that is applicable to vehicle, refers to a kind of shock absorber that is specially adapted to the tool diversion function of locomotive front fork especially.
Background technique
The locomotive Front fork vibration abatement device of general prior art as shown in Figure 1, its mainly by urceolus 1, hollow fixing rod 2, and in three critical pieces such as pipe 3 constitute.Shock absorber mainly operates following explanation, when interior pipe 3 along urceolus 1 axially toward lower slider, the spatial content of the outer C of grease chamber of fixing rod this moment can become big and replenish shock absorber oil, the D of urceolus grease chamber then is compressed, the interior shock absorber oil of the urceolus D of grease chamber this moment can be divided into two and partly flow, the a part of space that replenishes the outer C of grease chamber of fixing rod via one-way cock 33 is expanded, the pipe B of grease chamber in the A of grease chamber arrives in another fixing rod of partly then can via through holes 24 flowing through.Generally speaking, the shock absorber oil in the interior pipe B of grease chamber there is no and is full of the space, and only has the shock absorber oil of appropriate amount.
Otherwise, when interior pipe 3 axially up slides along urceolus 1, the outer C of grease chamber of fixing rod this moment is compressed, and spatial content diminishes, the D of urceolus grease chamber then space becomes big, therefore in the shock absorber oil of the pipe B of grease chamber can replenish the space, grease chamber that becomes big via the through hole 24 to the D of urceolus grease chamber of flowing through of the A of grease chamber in the fixing rod.When the C of grease chamber dwindles gradually outside fixing rod, one-way cock 33 lockings this moment, the shock absorber oil of the C of grease chamber outside fixing rod can only be flowed through and be gone up through hole 241, gradually produces damping force.
In addition, the known Front fork vibration abatement device of another kind of kenel as shown in Figure 2.The main difference of the shock absorber of this shock absorber and earlier figures 1 is, this shock absorber adopts oil duct screw 231, piston 232, and most valve sheet 233A, 233B, and valve base 230 constitute piston assembly 23.Its function mode is as follows, when interior pipe 3 along urceolus 1 axially toward lower slider, C space, the outer grease chamber of fixing rod this moment can become big and replenish shock absorber oil via two oil circuits, the one, from the interior pipe B of grease chamber via the compression oil duct 234A of piston 232, and most valve sheet 233A flow into the C of grease chamber outside the fixing rods.Another then is to enter the C of grease chamber outside the fixing rod from the D of urceolus grease chamber through one-way cock 33, and the shock absorber oil of the D of urceolus grease chamber is except flowing into fixing rod outside the C of grease chamber, another partly then can via through holes 24, flows into the A of grease chamber in the fixing rod, the pipe B of grease chamber in arriving via oil duct screw 231 again.Similarly, the shock absorber oil in the shock absorber of this kind kenel in the pipe B of grease chamber there is no and is full of the space, and only has the shock absorber oil of appropriate amount.
On the other hand, Ruo Dangnei pipe 3 axially up slides along urceolus 1, and the outer C of grease chamber of fixing rod this moment is compressed the space and diminishes, and the D of urceolus grease chamber then space becomes big.Therefore the shock absorber oil of the pipe B of grease chamber can flow into the A of grease chamber in the fixing rod via the middle oil duct of oil duct screw 231 in, and via through holes 24 to the D of urceolus grease chamber replenishes the space, grease chamber that becomes big again.And when the C of grease chamber dwindles gradually outside fixing rod, one-way cock 33 lockings this moment, can flow through stretching oil duct 234B, and most valve sheet 233B of piston 232 and then generation damping force of the shock absorber oil of the C of grease chamber fixing rod outside.Wherein, the compression oil duct 234A of this shock absorber, and the general common design of stretching oil duct 234B respectively be two, three or four.
As mentioned above, more than the shock-absorbing oil circuit design of two kinds of shock absorbers, axially pressing very slowly when drawing start, shock absorber oil flows very stable in each grease chamber.But when the high speed start, the shock absorber Fast Compression, shock absorber oil is then managed the B of grease chamber by the D of urceolus grease chamber A of grease chamber in fixing rod in being sprayed onto on directly.Can produce following situation this moment: when pulling back in shock absorber moment, the pipe B of grease chamber liquid level height is not enough to cover A of grease chamber and the outer C of grease chamber of fixing rod in the fixing rod in this moment, and then each grease chamber can be drawn onto air, causes damping force unstable and reduce.Moreover when shock absorber continued back and forth to stretch pressure, a large amount of air were sneaked in the shock absorber oil always, cause the deterioration of oil.
Hence one can see that, and how shock absorber is achieved under the situation of Fast Compression or stretching, and can reduce the chance of shock absorber oil entrained air, and then have stable damping force, and the deterioration of avoiding the oil of shock absorber oil, be a kind of the pressing on the industry really.
The model utility content
Main purpose of the present utility model provides a kind of shock absorber of tool diversion function, and it can reduce the chance of shock absorber oil entrained air, avoids the oil quality deterioration of shock absorber oil; Moreover, can make shock absorber have stable damping force.
The purpose of this utility model is achieved in that a kind of shock absorber of tool diversion function, comprising: manage, reach an air guide in a urceolus, the hollow fixing rod.Wherein, urceolus includes a upper shed, reaches a lower bottom part.The hollow fixing rod is arranged in the urceolus, and is formed with grease chamber in the fixing rod in its hollow inside, and the hollow fixing rod includes one first end, reaches one second end again, and the shaft of hollow fixing rod offers at least one through hole.Wherein, first end is provided with a piston assembly, and second end is fixed in the lower bottom part of urceolus.
Moreover interior pipe includes a upper top, reaches a under shed, and interior pipe sees through under shed and is slidedly arranged on urceolus, reaches between the fixing rod.Under shed is provided with an one-way cock, and the inner space of interior pipe is formed with pipe grease chamber in, and interior pipe grease chamber is communicated with grease chamber in the fixing rod, and stores a shock absorber oil.In addition, air guide is the opening that is arranged at first end, and air guide includes a catch, its in order to change shock absorber oil in interior pipe grease chamber, and fixing rod in to flow in the grease chamber be by axially becoming radially.
In addition, the utility model can include a main spring, reach an auxiliary spring, and main spring is located in the interior pipe, and is located in first end and upper top.And auxiliary spring is to be arranged in fixing rod, and be located in piston assembly downside, with the upside of one-way cock.
Simultaneously, piston assembly of the present utility model can include the integrated piston of first end, and the piston ring of hollow fixing rod, or piston assembly can include a quill shaft to an oil duct screw that connects, a piston, most valve sheets, and most valve bases.Wherein, piston is provided with at least two oil ducts that connect the upper and lower end face, most again individual valve bases are mounted on the upper and lower end face of piston, and most valve sheets are arranged at respectively between most valve bases and the piston, and the oil duct screw is to be arranged in piston, most individual valve sheet, to reach most individual valve bases and to be attached to first end, and the oil duct screw can be hexagon socket head cap screw, outer-hexagonal screw or other equivalent device again.In view of the above, the grease chamber can be connected with interior pipe grease chamber to the oil duct screw that connects by quill shaft in the fixing rod.
In addition, the oil duct screw of the utility model piston assembly also can change since its inner shaft to offering an Oil Guide passage, the end that locks of oil duct screw radially offers at least one Oil Guide groove again in addition.By have the Oil Guide passage, and the oil duct screw of Oil Guide groove replace originally quill shaft to the oil duct screw that connects.In view of the above, interior pipe grease chamber can be by Oil Guide groove, and Oil Guide channel connection grease chamber to the fixing rod.
Wherein, air guide of the present utility model can be a fairing cap cylindraceous.Therefore, catch is meant the top cover of fairing cap, again fairing cap radially offer at least one pod apertures, the grease chamber is communicated with interior pipe grease chamber by pod apertures in the fixing rod.In view of the above, the opening end of fairing cap can convex with protuberance outside circumferential, and main spring can be located in protuberance and upper top, or main spring can be located in the top cover and the upper top of fairing cap.
In addition, air guide of the present utility model can be a water conservancy diversion screw, and it is attached to first end, and axially offers an oil guide slot in the water conservancy diversion screw, and radially offers at least one oil guiding hole in what it locked end.Therefore, in the fixing rod grease chamber can by oil guide slot, and oil guiding hole be communicated in the pipe grease chamber, and catch is meant the top end that locks end.Wherein, the water conservancy diversion screw can be hexagon socket head cap screw, outer-hexagonal screw or other equivalent device.Moreover the water conservancy diversion screw can utilize riveted joint, lock, weld or other equivalent way connects first end.
Again, air guide of the present utility model can be a water conservancy diversion bolt, and it is attached to first end, wherein axially offers at least one honeycomb duct that runs through the upper and lower end face in the water conservancy diversion bolt.Therefore, the grease chamber can be communicated with interior pipe grease chamber by at least one honeycomb duct in the fixing rod.The water conservancy diversion bolt can be hexagon socket head cap screw, outer-hexagonal screw or other equivalent device.In addition, the end end face group that locks of water conservancy diversion bolt is provided with a grease baffle, and catch is meant grease baffle.The shape of grease baffle can be disk type, petal, how much polygonals or other equivalent shape.What in addition, grease baffle can rivet, lock, welds or other equivalent way connects the water conservancy diversion bolt locks the end end face.
The utility model has the advantages that: under the situation of Fast Compression or stretching, can prevent shock absorber oil, and reduce the chance of shock absorber oil entrained air, avoid the oil quality deterioration of shock absorber oil directly toward top ejection.In addition, the utility model can suppress the reduction of pasta, when avoiding shock absorber to pull back repairing, has suction to produce less than the shock-absorbing oil condition, and then has stable damping force.
Description of drawings
Fig. 1 is the schematic representation of known shock absorber.
Fig. 2 is the schematic representation of another known shock absorber.
Fig. 3 is the utility model first embodiment's a schematic representation.
Fig. 4 is the utility model first embodiment's a partial enlarged drawing.
Fig. 5 A is the stereogram of the utility model first embodiment's fairing cap.
Fig. 5 B is the stereogram of the utility model first another fairing cap of embodiment.
Fig. 6 is the utility model second embodiment's a partial enlarged drawing.
Fig. 7 A is the stereogram of the utility model second embodiment's water conservancy diversion screw.
Fig. 7 B is the stereogram of another water conservancy diversion screw of the utility model second embodiment.
Fig. 8 is the utility model the 3rd embodiment's a partial enlarged drawing.
Fig. 9 is the stereogram of the utility model the 3rd embodiment's water conservancy diversion bolt.
Figure 10 A is the stereogram of the utility model the 3rd embodiment's grease baffle.
Figure 10 B is the stereogram of the utility model the 3rd another grease baffle of embodiment.
Figure 11 is the 4th embodiment's schematic representation of another kenel shock absorber of the utility model.
Figure 12 is the 5th embodiment's partial enlarged drawing of another kenel shock absorber of the utility model.
Figure 13 is the 6th embodiment's schematic representation of another kenel shock absorber of the utility model.
The primary component symbol description
11 upper sheds of 1 urceolus
12 lower bottom parts, 2 hollow fixing rods
21 first ends, 22 second ends
23 piston assemblys, 230 valve bases
231 oil duct screws, 232 pistons
233A, 233B valve sheet 234A compresses oil duct
234B stretching oil duct 235 locks end
236 guiding gutters, 237 Oil Guide passages
238 Oil Guide grooves, 239 piston rings
Through hole on 24 through holes 241
32 under sheds, 33 one-way cocks
4 main springs, 5 auxiliary springs
6 air guides, 60 catch
61 fairing caps, 610 top covers
611 pod apertures, 612 protuberances
62 water conservancy diversion screws, 620 top ends
621 oil guide slot 622 lock end
623 oil guiding holes, 63 water conservancy diversion bolts
631 honeycomb ducts 632 lock end
633 grease baffles, 634 petal grease baffles
Hexagonal water conservancy diversion screw in 64 fairing caps 65
Pipe grease chamber in the B of grease chamber in the A fixing rod
The outer D of the grease chamber urceolus grease chamber of C fixing rod
Embodiment
See also Fig. 3, Fig. 3 is shock absorber first embodiment's of the utility model tool diversion function a schematic representation.Wherein, show a shock absorber among the figure, its primary component includes urceolus 1, hollow fixing rod 2, interior pipe 3, main spring 4, auxiliary spring 5, reaches air guide 6.And urceolus 1 has a upper shed 11, reaches a lower bottom part 12.In addition, hollow fixing rod 2 is arranged in the urceolus 1, and is formed with the A of grease chamber in the fixing rod in its hollow inside.Again, hollow fixing rod 2 includes one first end 21, reaches one second end 22, and radially offer most through holes 24, reach through hole 241 in shaft, first end 21 is provided with a piston assembly 23, at present embodiment piston assembly 23 are integrated piston, and piston rings for hollow fixing rod first end, and second end, 22 affixed lower bottom parts 12.
In addition, interior pipe 3 includes a upper top 31, reaches a under shed 32, and it sees through under shed 32 and is slidedly arranged on urceolus 1, reaches between the fixing rod 2, and under shed 32 is provided with an one-way cock 33.And interior pipe 3 inner spaces are formed with the pipe B of grease chamber in, and it is to be communicated with the A of grease chamber in the fixing rod.In addition, 2 of interior pipe 3 and hollow fixing rods and be the C of grease chamber outside the fixing rod between the space that piston assembly 23 and one-way cock 33 are constituted, and 2 of urceolus 1 and hollow fixing rods are the D of urceolus grease chamber between the space that lower bottom part 12 and one-way cock 33 are constituted.
Again, the outer C of grease chamber of fixing rod, and the D of urceolus grease chamber respectively by last through hole 241, and through hole 24 be communicated with the A of grease chamber in the fixing rods.In view of the above, the A of grease chamber, the interior pipe B of grease chamber, the fixing rod outer C of grease chamber, the D of urceolus grease chamber store a shock absorber oil in the fixing rod, but generally speaking shock absorber oil also not exclusively riddles wherein, the particularly interior pipe B of grease chamber.Wherein, show main spring 4, and auxiliary spring 5 among the figure in addition, main spring 4 is in being located in the pipe 3, two ends be located in respectively first end 21, with upper top 31.And auxiliary spring 5 is to be arranged in fixing rod 2, and be located in piston assembly 21 downside, with the upside of one-way cock 33.
Please consult Fig. 3, Fig. 4, Fig. 5 A, and Fig. 5 B simultaneously, wherein Fig. 4 is the utility model first embodiment's a partial enlarged drawing, Fig. 5 A, and Fig. 5 B be respectively the stereogram of two kinds of kenel fairing caps of the utility model first embodiment.It is the opening that is arranged at first end 21 to show air guide 6 among the figure, and air guide 6 has a catch 60, its in order to change shock absorber oil in the interior pipe B of grease chamber, and fixing rod in to flow in the A of grease chamber be by axially becoming radially.The utility model first embodiment's air guide 6 is a fairing cap 61 cylindraceous, wherein catch 60 is meant the top cover 610 of fairing cap 61, and at least one pod apertures 611 of radially offering of fairing cap 61, the A of grease chamber is communicated with the interior pipe B of grease chamber by pod apertures 611 in the fixing rod in view of the above.In addition, the opening end of fairing cap 61 convexes with protuberance 612 outside circumferential, therefore the lower end of main spring 4 can change the protuberance 612 that props up fairing cap 61 into by originally propping up first end 21, fastening by this fairing cap 61 is in the upper-end surface of first end 21, or props up the last end face of the top cover 610 of fairing cap 61 with an end of main spring 4.In addition, pod apertures 611 can be rectangle shown in Fig. 5 A, or shown in Fig. 5 B the fairing cap 64 of circular pod apertures.
Please consult Fig. 3 again, shock absorber oil actual flow situation is as follows in the shock absorber of present embodiment: when shock absorber stretches, that is work as interior pipe 3 and axially up slide along urceolus 1, the outer C of grease chamber of fixing rod this moment is compressed spatial content and diminishes, the D of urceolus grease chamber then space becomes big, therefore in the shock absorber oil of the pipe B of grease chamber can replenish the space, grease chamber that becomes big via the through hole 24 to the D of urceolus grease chamber of flowing through of the A of grease chamber in the fixing rod.When the C of grease chamber dwindles gradually outside fixing rod, one-way cock 33 lockings this moment, the shock absorber oil of the C of grease chamber outside fixing rod can only be flowed through and be gone up through hole 241, gradually produces damping force.
Otherwise axial toward lower slider along urceolus 1 when interior pipe 3, the spatial content of the outer C of grease chamber of fixing rod this moment can become big and additional shock absorber oil.In addition, the D of urceolus grease chamber then is compressed, shock absorber oil in this moment urceolus D of grease chamber can be divided into two and partly flow, a part of expansion that replenishes the space of the outer C of grease chamber of fixing rod via one-way cock 33, another partly then can via through holes 24 to the fixing rod the A of grease chamber manage the B of grease chamber in arriving through fairing cap 61.Therefore, in shock absorber when compression,, when the A of grease chamber axial flow was toward the interior pipe B of grease chamber in the former fixing rod, the top cover 610 of fairing cap 61 can be with the flow direction of shock absorber oil by axially becoming radially.
Moreover, please consult Fig. 6,7A simultaneously, reach 7B, wherein Fig. 6 is the utility model second embodiment's a partial enlarged drawing, Fig. 7 A, 7B are respectively the stereogram of two kinds of kenel water conservancy diversion of the utility model second embodiment screw.In the present embodiment, air guide 6 is a water conservancy diversion screw 62, and it is attached to first end 21.And axially offer an oil guide slot 621 in the water conservancy diversion screw 62, and radially offer at least one oil guiding hole 623 in what it locked end 622.In view of the above, in the fixing rod A of grease chamber be by oil guide slot 621, and oil guiding hole 623 be communicated in the pipe B of grease chamber.And the top end 620 of catch 60 to be these lock end 622.Therefore, by the axial oil guide slot 621 in the water conservancy diversion screw 62, and oil guiding hole 623 radially, can change in the fixing rod A of grease chamber, and in manage the flow direction of the shock absorber oil in the B of grease chamber, by axially becoming radially.Simultaneously, water conservancy diversion screw 62 can be the outer-hexagonal screw shown in Fig. 7 A, or the interior hexagonal water conservancy diversion screw 65 shown in Fig. 7 B.
In addition, please consult Fig. 8,9,10A, and 10B simultaneously.Wherein, Fig. 8 is the utility model the 3rd embodiment's a partial enlarged drawing, and Fig. 9 is the stereogram of the utility model the 3rd embodiment's water conservancy diversion bolt, and Figure 10 A, 10B are respectively the stereogram of two kinds of kenel grease baffles of the utility model the 3rd embodiment.In the present embodiment, air guide 6 is a water conservancy diversion bolt 63, and it is attached to this first end 21.And axially offer four honeycomb ducts that are equally spaced 631 that run through the upper and lower end face in the water conservancy diversion bolt 63, and the A of grease chamber is communicated with the interior pipe B of grease chamber by four honeycomb ducts that are equally spaced 631 in the fixing rod.In addition, end 632 end faces that lock of water conservancy diversion bolt 63 have locked another grease baffle 633.Therefore, by the radially grease baffle 633 that the axial diversion road 631 in the water conservancy diversion bolt 63 and top thereof lock, can change in the fixing rod A of grease chamber, and in manage the flow direction of the shock absorber oil in the B of grease chamber, by axially becoming radially.In addition, grease baffle 633 can be the disc shown in Figure 10 A, or the petal grease baffle 634 shown in Figure 10 B.
See also Figure 11, Figure 11 is the 4th embodiment's schematic representation of another kenel shock absorber of the utility model.Show the shock absorber (hereinafter to be referred as aspect two shock absorbers) of another kind of kenel among the figure.The main difference of this kind shock absorber and aforementioned shock absorber (hereinafter to be referred as aspect one shock absorber) is piston assembly 23 partly.The piston assembly 23 of present embodiment includes a quill shaft to the oil duct screw 231 that connects, a piston 232, a piston ring 239, most valve sheet 233A, 233B, and most valve bases 230.Wherein, piston 232 is provided with at least two compression oil duct 234A that connect upper and lower end faces, and stretching oil duct 234B, the C of grease chamber outside the pipe B of grease chamber and the fixing rod in being communicated with respectively.The compression oil duct 234A of general this kenel shock absorber, and stretching oil duct 234B is common can design respectively be two, three or four.
In addition, most valve sheet 233A, 233B is mounted on the upper and lower end face of piston 232 respectively, use control compression oil duct 234A, and stretching oil duct 234B be the single flow direction.In addition, also be provided with most valve bases 230 in the below of valve sheet 233A, and the top of valve sheet 233B, in order to control most valve sheet 233A, the unlatching clearance of 233B.Again, oil duct screw 231 is arranged in piston 232, most valve sheet 233A, 233B, and most valve bases 230 and be attached to first end 21, and the A of grease chamber is communicated with the interior pipe B of grease chamber by this oil duct screw 231 in the fixing rod.Therefore, the shock absorber of this kind kenel mainly waits through shock absorber oil viscosity, valve sheet number, valve sheet thickness and oil duct compression 234A, the aperture that reaches stretching oil duct 234B or number and controls the damping force size.In comparison, through hole 241 on most the through holes only radially offering with the shaft of hollow fixing rod 2 of aforementioned shock absorber 24,, and controlling element such as shock absorber oil viscosity few relatively a lot.
In view of the above, the air guide 6 of aspect two shock absorbers is to be a fairing cap 61 cylindraceous in the 4th embodiment, as first embodiment's aspect, one shock absorber of the present utility model.Similarly, in the fixing rod of present embodiment the A of grease chamber be by oil duct screw 231, and the pod apertures 611 of fairing cap 61 be communicated with in the pipe B of grease chamber, and the top cover 610 of fairing cap 61 is that the flow direction with shock absorber oil is by axially changing into radially.
As for, the following explanation of actual flow situation of shock absorber oil in the present embodiment shock absorber: when shock absorber stretches, that is work as interior pipe 3 and axially up slide along urceolus 1, the outer C of grease chamber of fixing rod this moment is compressed the space and diminishes, and the D of urceolus grease chamber then space becomes greatly.Therefore, the shock absorber oil of the interior pipe B of grease chamber can via fairing cap 61, and middle the oil duct of oil duct screw 231 flow into the A of grease chamber in the fixing rod, via through holes 24 to the D of urceolus grease chamber replenishes the big space, grease chamber of change again.And when the C of grease chamber dwindled gradually outside fixing rod, this moment, one-way cock 33 can lockings, the shock absorber oil of the C of the grease chamber stretching oil duct 234B of piston 232 that can flow through fixing rod outside, and by most valve sheet 233B, and then the generation damping force.
On the other hand, when interior pipe 3 along urceolus 1 axially toward lower slider, C space, the outer grease chamber of fixing rod this moment can become greatly, and replenishes shock absorber oil via two oil circuits, the one, from the interior pipe B of grease chamber via the compression oil duct 234A of piston 232, and most individual valve sheet 233A inflow fixing rods outside the C of grease chamber.Another then is to enter the C of grease chamber outside the fixing rod from the D of urceolus grease chamber through one-way cock 33, and the shock absorber oil of the D of urceolus grease chamber is except flowing into fixing rod outside the C of grease chamber, another partly then can via through holes 24, flows into the A of grease chamber in the fixing rod, the pipe B of grease chamber in arriving via oil duct screw 231, fairing cap 61 again.Therefore, in shock absorber when compression,, when the A of grease chamber axial flow was toward the interior pipe B of grease chamber in the former fixing rod, the top cover 610 of fairing cap 61 can be with the flow direction of shock absorber oil by axially becoming radially.
See also Figure 12, Figure 12 is the 5th embodiment's partial enlarged drawing of another kenel shock absorber of the utility model.Present embodiment is similar to the 3rd embodiment of aspect one shock absorber, and its difference only is piston assembly 23 as previously mentioned.Wherein, grease baffle 633 is attached to locking of oil duct screw 231 and holds 235 end faces, and offers four guiding gutters 236 that axially run through the upper and lower end face in oil duct screw 231.And the A of grease chamber is communicated with the interior pipe B of grease chamber by four guiding gutters 236 in the fixing rod.Therefore, by the radially grease baffle 633 that the axial diversion groove 236 in the oil duct screw 231 and top thereof lock, can change in the fixing rod A of grease chamber, and in manage the flow direction of the shock absorber oil in the B of grease chamber, by axially becoming radially.
See also Figure 13, wherein Figure 13 is the 6th embodiment's partial enlarged drawing of another kenel shock absorber of the utility model.Show the shock absorber of an aspect two among the figure, its difference only is the oil duct screw 231 of piston assembly 23.The oil duct screw 231 of former aspect two be quill shaft to perforation, and the 6th embodiment's oil duct screw 231 axially offers an Oil Guide passage 237 in it, and the end 235 that locks of oil duct screw 231 radially offers at least one Oil Guide groove 238.That is, the interior pipe B of grease chamber be by Oil Guide groove 238, and Oil Guide passage 237 be communicated to the A of grease chamber in the fixing rod.Again, Oil Guide groove 238, and Oil Guide passage 237 be by axially changing into radially in order to the flow direction that changes shock absorber oil.
Claims (14)
1. the shock absorber of a tool diversion function is characterized in that comprising:
One urceolus includes a upper shed, reaches a lower bottom part;
One hollow fixing rod is arranged in this urceolus, and in hollow inside is formed with a fixing rod grease chamber, this hollow fixing rod includes one first end, and one second end, and offers at least one through hole, this first end is provided with a piston assembly, affixed this lower bottom part of this second end;
Pipe in one, include a upper top, reach a under shed, should be slidedly arranged on this urceolus, reach between this hollow fixing rod through this under shed by interior pipe, this under shed is provided with an one-way cock, should be formed with pipe grease chamber in interior pipe inner space, should be communicated with grease chamber in this fixing rod in interior pipe grease chamber, and store a shock absorber oil; And
One air guide is the opening that is arranged at this first end, and this air guide includes a catch, in order to change this shock absorber oil in this, manage the grease chamber, and this fixing rod in to flow in the grease chamber be by axially becoming radially.
2. the shock absorber of tool diversion function as claimed in claim 1, it is characterized in that including a main spring, reach an auxiliary spring, this main spring is located in this interior pipe, and be located in this first end, with this upper top, this auxiliary spring is arranged in this fixing rod, and be located in this piston assembly downside, with the upside of this one-way cock.
3. the shock absorber of tool diversion function as claimed in claim 1 is characterized in that this piston assembly includes the integrated piston of this first end, reaches a piston ring.
4. the shock absorber of tool diversion function as claimed in claim 2, it is characterized in that this air guide is a fairing cap cylindraceous, this catch is the top cover of this fairing cap, this fairing cap radially offer at least one pod apertures, in this fixing rod the grease chamber by this at least one pod apertures with should in manage the grease chamber and be communicated with.
5. the shock absorber of tool diversion function as claimed in claim 4 is characterized in that the opening end of this fairing cap convexes with protuberance outside circumferential, this main spring be located in this protuberance, with this upper top.
6. the shock absorber of tool diversion function as claimed in claim 1, it is characterized in that this air guide is a water conservancy diversion screw, this water conservancy diversion screw is attached to this first end, axially offer an oil guide slot in this water conservancy diversion screw, and radially offer at least one oil guiding hole in what this locked end, in this fixing rod the grease chamber be by this oil guide slot, and this at least one oil guiding hole be communicated to and manage the grease chamber in this, this locks the top end of end this catch.
7. the shock absorber of tool diversion function as claimed in claim 1, it is characterized in that this air guide is a water conservancy diversion bolt, this water conservancy diversion bolt is attached to this first end, axially offer at least one honeycomb duct that runs through the upper and lower end face in this water conservancy diversion bolt, the grease chamber is communicated with pipe grease chamber in this by this at least one honeycomb duct in this fixing rod, the end end face group that locks of this water conservancy diversion bolt is provided with a grease baffle, and this catch is this grease baffle.
8. the shock absorber of tool diversion function as claimed in claim 1, it is characterized in that this piston assembly includes a quill shaft to the oil duct screw that connects, one piston, a most valve sheet, and most valve bases, this piston is provided with at least two oil ducts that connect the upper and lower end face, this majority valve base is mounted on the upper and lower end face of this piston respectively, this majority valve sheet is mounted on respectively between this majority valve base and this piston, this oil duct screw is arranged in this piston, this majority valve sheet, and this majority valve base and be attached to this first end, in this fixing rod the grease chamber be by this oil duct screw with should interiorly manage the grease chamber and be communicated with.
9. the shock absorber of tool diversion function as claimed in claim 8, be characterised in that wherein this air guide is a fairing cap cylindraceous, this fairing cap is arranged at the top end of this oil duct screw, this catch is the top cover of this fairing cap, this fairing cap radially offer at least one pod apertures, in this fixing rod the grease chamber be by this oil duct screw, and should at least one pod apertures be communicated with should in manage the grease chamber.
10. the shock absorber of tool diversion function as claimed in claim 9 is characterized in that the opening end of this fairing cap convexes with a protuberance outside circumferential, this main spring be located in this protuberance, with this upper top.
11. the shock absorber of tool diversion function as claimed in claim 8, it is characterized in that this air guide is a grease baffle, what this grease baffle was mounted on this oil duct screw locks the end end face, offer at least one guiding gutter that axially runs through the upper and lower end face in this oil duct screw, the grease chamber is communicated with pipe grease chamber in this by this at least one guiding gutter in this fixing rod, and this catch is this grease baffle.
12. the shock absorber of a tool diversion function is characterized in that comprising:
One urceolus includes a upper shed, reaches a lower bottom part;
One hollow fixing rod is to be arranged in this urceolus, and in hollow inside is formed with a fixing rod grease chamber, this hollow fixing rod includes one first end, and one second end, and offers at least one through hole, affixed this lower bottom part of this second end;
One piston assembly includes an oil duct screw, a piston, most individual valve sheet, reaches most valve bases, axially offers an Oil Guide passage in this oil duct screw, and the end that locks of this oil duct screw radially offers at least one Oil Guide groove; And
Pipe in one, include a upper top, reach a under shed, should be slidedly arranged between this urceolus and this hollow fixing rod through this under shed by interior pipe, this under shed is provided with an one-way cock, should in the pipe inner space be formed with pipe grease chamber in, pipe grease chamber is by this Oil Guide groove, and this Oil Guide channel connection grease chamber to this fixing rod in this.
13. the shock absorber of tool diversion function as claimed in claim 12, it is characterized in that including a main spring, reach an auxiliary spring, this main spring is located in this interior pipe, and be located in this first end, with this upper top, this auxiliary spring is arranged in this fixing rod, and be located in this piston assembly downside, with the upside of this one-way cock.
14. the shock absorber of tool diversion function as claimed in claim 12, it is characterized in that being provided with in this piston at least two oil ducts that are communicated with the upper and lower end face, this majority valve base is mounted on the upper and lower end face of this piston respectively, this majority valve sheet is mounted on respectively between this majority valve base and this piston, and this oil duct screw is arranged in this piston, this majority valve sheet, reaches this majority valve base and is attached to this first end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202190433U CN201539526U (en) | 2009-10-19 | 2009-10-19 | Shock absorber with flow guiding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202190433U CN201539526U (en) | 2009-10-19 | 2009-10-19 | Shock absorber with flow guiding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201539526U true CN201539526U (en) | 2010-08-04 |
Family
ID=42590978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202190433U Expired - Fee Related CN201539526U (en) | 2009-10-19 | 2009-10-19 | Shock absorber with flow guiding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201539526U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807345A (en) * | 2012-11-09 | 2014-05-21 | 株式会社昭和 | Damper |
| CN109307034A (en) * | 2017-07-27 | 2019-02-05 | 开发工业股份有限公司 | Shock absorber for vehicle |
| TWI669226B (en) * | 2018-10-22 | 2019-08-21 | 陳志原 | Vehicle shock absorber |
-
2009
- 2009-10-19 CN CN2009202190433U patent/CN201539526U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807345A (en) * | 2012-11-09 | 2014-05-21 | 株式会社昭和 | Damper |
| CN109307034A (en) * | 2017-07-27 | 2019-02-05 | 开发工业股份有限公司 | Shock absorber for vehicle |
| TWI669226B (en) * | 2018-10-22 | 2019-08-21 | 陳志原 | Vehicle shock absorber |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20181019 |