CN111810572A - Can lubricate and have bumper shock absorber of preventing leaking function - Google Patents
Can lubricate and have bumper shock absorber of preventing leaking function Download PDFInfo
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- CN111810572A CN111810572A CN202010722747.3A CN202010722747A CN111810572A CN 111810572 A CN111810572 A CN 111810572A CN 202010722747 A CN202010722747 A CN 202010722747A CN 111810572 A CN111810572 A CN 111810572A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3278—Details for lubrication
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a lubricating shock absorber with a leakage-proof function, which comprises a lower support, wherein a working cylinder barrel which is communicated up and down is arranged on the upper side of the lower support, a piston which can move up and down is arranged on the inner wall surface of the working cylinder barrel, a sliding sleeve is fixedly arranged on one side, away from the axis of the piston, of the working cylinder barrel, an upper oil seal is fixedly arranged on the upper end of the sliding sleeve and the upper end of the working cylinder barrel, and the upper oil seal can seal the upper side of the working cylinder barrel.
Description
Technical Field
The invention relates to the technical field of shock absorbers, in particular to a shock absorber which can be lubricated and has a leakage-proof function.
Background
In our daily life, the bumper shock absorber that the car was used can adopt hydraulic press or vapour-pressure type two kinds usually, as fluid pressure type bumper shock absorber, store fluid to the oil storage chamber usually, then utilize inside valve control oil liquid circulation route, and produce the damping shock attenuation through the friction between the fluid endosome son, this type of bumper shock absorber causes the leakage of hydraulic oil easily, need the periodic overhaul, the vapour-pressure type bumper shock absorber is higher to the preparation technology requirement, the cylinder deformation damage takes place easily, the up-and-down reciprocating motion shock attenuation between the bumper shock absorber leans on dry friction to cause the cylinder overheated easily, influence the damping performance, be unfavorable for increasing bumper shock absorber life simultaneously. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows: the ordinary shock absorber is stored by squeezing redundant oil into the oil storage cavity, leakage is easy to occur, and long-time friction of up-and-down motion of the shock absorber is easy to reduce to cause damage, so that the service life of the shock absorber is shortened.
In order to solve the problems, the shock absorber capable of being lubricated and having the leakage-proof function is designed in the embodiment, the shock absorber capable of being lubricated and having the leakage-proof function comprises a lower support, a working cylinder which is communicated up and down is arranged on the upper side of the lower support, a piston which can move up and down is arranged on the inner wall surface of the working cylinder, a sliding sleeve is fixedly arranged on one side, away from the axis of the piston, of the working cylinder, an upper oil seal is fixedly arranged on the upper end of the sliding sleeve and the upper end of the working cylinder, the upper oil seal can seal the upper side of the working cylinder, an upper support which can move up and down along the outer circular surface of the sliding sleeve is arranged on one side, away from the axis of the piston, of the upper oil seal, a friction pad is fixedly arranged between the upper support and the outer circular surface of the, the friction pad is close to one side wall surface of the piston axis and is in sliding connection with one side wall surface of the sliding sleeve far away from the piston axis, the upper side of the piston is provided with an upper piston cavity, the lower side of the piston is provided with a lower piston cavity, the lower side of the lower piston cavity is provided with a sealing plate fixed on the inner wall surface of the working cylinder, the lower side of the sealing plate is provided with a lower oil seal fixed inside the lower support and sealing the working cylinder and the lower port of the sliding sleeve, the lower side of the lower piston cavity is provided with a flow guide cavity, a closed movable cavity is formed between the upper support and the upper oil seal, the upper end surface of the upper support is provided with a piston rod which can penetrate through the upper end surface and the lower end surface of the upper oil seal and extend into the upper piston cavity, the lower end surface of the, an oil liquid storage support is fixedly arranged on the circular surface of one side of the upper support far away from the axis of the piston rod, a conversion piston is arranged inside the oil liquid storage support and far away from the left side of the center of the circle, the right side of the conversion piston is provided with the conversion piston which can move along the direction close to or far away from the axis of the piston rod, a stretching cavity is arranged on one side of the conversion piston close to the axis of the piston rod, a sealing gasket is fixedly arranged on the wall surface of one side of the compression cavity far away from the axis of the piston rod and the wall surface of one side of the stretching cavity close to the axis of the piston rod, the right end of the oil liquid storage support far away from the axis of the piston rod is provided with a power cavity, one side of the power cavity far away from the axis of the piston rod is provided with a lubricating piston capable of sliding, the lubricating piston is far away from piston rod axle center one side is equipped with power compression chamber, power compression chamber right side is equipped with lubricating-oil tank, lubricating-oil tank can store lubricating oil.
Preferably, the diversion cavity is far away from one side wall surface of the piston rod axis is symmetrically provided with diversion holes penetrating through the inner wall surface and the outer wall surface of the working cylinder barrel, the diversion holes are far away from one end of the piston rod axis is fixedly provided with a compression oil inlet pipe penetrating through the sliding sleeve and communicated with the upper side of the compression cavity, and the diversion holes are far away from one end of the piston rod axis is fixedly provided with an ascending oil return pipe penetrating through the sliding sleeve and communicated with the lower side of the compression cavity.
Preferably, the upper side of one side wall surface of the stretching cavity close to the axis of the piston rod is provided with a stretching oil inlet pipe communicated with the movable cavity, a compression oil return pipe communicated with the movable cavity is arranged on the lower side of the wall surface of one side of the extension cavity close to the axis of the piston rod, a compression oil return passage communicated with the movable cavity is arranged at the left end of the upper side wall surface of the upper cavity of the piston, the upper side wall surface of the piston upper chamber is provided with an extended oil outlet channel communicated with the movable cavity, the extended oil outlet channel is divided into two parts, the left end of the expansion oil outlet channel is connected with one end of the expansion oil inlet pipe extending into the movable cavity, one end of the compression oil return pipe extending into the movable cavity is connected with the compression oil return channel, and a power pipeline is communicated between the wall surface of one side, close to the axis of the piston rod, of the lubricating piston and the movable cavity, and is communicated with the right end of the stretching oil outlet channel.
Preferably, the power compression cavity is far away from one side wall surface of the axis of the piston rod and a compression pipe compression channel is communicated and arranged between the upper wall surface of the lubricating oil tank, a lubricating oil pipe is communicated and arranged on the lower wall surface of the lubricating oil tank, a lubricating oil channel is communicated and arranged between the friction pad and the lubricating oil pipe, the friction pad is far away from one side of the axis of the piston rod, and a fifth valve is fixedly arranged at the joint of the lubricating oil channel and the lubricating oil pipe.
Preferably, the right side of the piston, which is far away from the axis of the piston rod, is fixedly provided with a flow valve, the left side of the sealing plate, which is far away from the axis of the piston rod, is fixedly provided with a compression valve, and the right side of the sealing plate, which is far away from the axis of the piston rod, is fixedly provided with an expansion valve.
Preferably, a compensation stop block is fixedly arranged on the upper end face of the piston, which is far away from the left side of the axis of the piston rod, a valve core cavity with a downward opening is arranged at the position, corresponding to the compensation stop block, of the lower end face of the piston, a compensation channel is communicated and arranged between the upper cavity of the piston, which corresponds to the compensation stop block, and the valve core cavity, a compensation push rod capable of moving up and down is arranged in the compensation channel, a compensation valve seat is fixedly arranged at the upper end of the compensation push rod, a valve core capable of sealing the compensation channel is fixedly arranged at the lower end of the compensation push rod, and a compensation spring is fixedly arranged between.
Preferably, keep away from piston rod axle center one side sealed upper end just is located the inside fixed first valve that is equipped with of compression oil inlet pipe, keep away from piston rod axle center one side sealed lower extreme just with rise to return the fixed fourth valve that is equipped with in oil pipe corresponding position, be close to piston rod axle center one side sealed upper end just is located stretch to advance the fixed third valve that is equipped with in oil pipe inside, be close to piston rod axle center one side sealed lower extreme just with the compression returns the fixed second valve that is equipped with in oil pipe corresponding position.
Preferably, the fixed dust sleeve that is equipped with of terminal surface under the support is stored to fluid, the fixed dust sleeve that is equipped with down of bottom suspension up end, the inside dust sleeve chamber that is equipped with of dust sleeve down, it extends to go up the dust sleeve lower extreme the dust sleeve intracavity portion, it can along to go up the dust sleeve intracavity wall reciprocates, the bottom suspension with the fixed damping spring that is equipped with between the support is stored to fluid.
Preferably, a return spring is fixedly arranged between the end surface of the lubricating piston close to one side of the axis of the piston rod and the wall surface of the power cavity close to one side of the axis of the piston rod, a pressure relief cavity is arranged at the upper side of the power compression cavity, a pressure relief channel which penetrates through the upper wall surface and the lower wall surface of the pressure relief cavity and is communicated with the outside is arranged on the upper wall surface of the power compression cavity, a pressure relief shaft is fixedly arranged between the front wall surface and the rear wall surface of the pressure relief cavity close to the axle center of the piston rod, a pressure relief sealing plate capable of rotating is arranged on the outer circular surface of the pressure relief shaft, the pressure relief channel can be sealed by the pressure relief sealing plate, the upper wall surface of one side of the pressure relief cavity far away from the axis of the piston rod is communicated with the outside and is provided with a pressure relief spring hole, a pressure relief support is fixedly arranged on the upper end surface of the oil liquid storage support corresponding to the pressure relief cavity, and a pressure relief spring penetrating through the pressure relief spring hole is fixedly arranged between the lower end face of the pressure relief support and the upper end face of the pressure relief sealing plate.
The invention has the beneficial effects that: the invention effectively reduces the possibility of oil leakage by reducing the oil storage cylinder and externally circulating the oil, effectively reduces the friction between the upper support and the sliding sleeve by linking the ascending stroke with the lubricating system, effectively prolongs the service life of the shock absorber, simultaneously improves the damping force of the ascending stroke and is beneficial to shock absorption.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view showing the overall structure of a shock absorber capable of being lubricated and having a leakage prevention function according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;
FIG. 5 is an enlarged view of the structure of "D" of FIG. 1;
fig. 6 is an enlarged view of the structure of "E" in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a lubricating shock absorber with a leakage-proof function, which comprises a lower support 11, wherein a working cylinder barrel 20 which is penetrated up and down is arranged on the upper side of the lower support 11, a piston 19 which can move up and down is arranged on the inner wall surface of the working cylinder barrel 20, a sliding sleeve 32 is fixedly arranged on one side of the working cylinder barrel 20, which is far away from the axis of the piston 19, an upper oil seal 17 is fixedly arranged at the upper ends of the sliding sleeve 32 and the working cylinder barrel 20, the upper oil seal 17 can seal the upper side of the working cylinder barrel 20, an upper support 13 which can move up and down along the outer circular surface of the sliding sleeve 32 is arranged on one side of the upper oil seal 17, which is far away from the axis of the piston 19, a friction pad 45 is fixedly arranged between the upper support 13 and the outer circular surface of the upper end of the sliding sleeve, the friction pad 45 is connected with the wall surface of one side of the sliding sleeve 32, which is close to the axis of the piston 19, in a sliding manner, the wall surface of one side of the sliding sleeve 32, which is far away from the axis of the piston 19, the upper side of the piston 19 is provided with an upper piston chamber 18, the lower side of the piston 19 is provided with a lower piston chamber 21, the lower side of the lower piston chamber 21 is provided with a sealing plate 22 fixed on the inner wall surface of the working cylinder 20, the lower side of the sealing plate 22 is provided with a lower oil seal 12 fixed inside the lower support 11 and sealing the lower port of the working cylinder 20 and the lower port of the sliding sleeve 32, the lower side of the lower piston chamber 21 is provided with a flow guide cavity 27, a closed movable cavity 16 is formed between the upper support 13 and the upper oil seal 17, the upper end surface of the upper support 13 is provided with a piston rod 15 which can penetrate through the upper, the upper end face of the piston rod 15 is fixedly provided with a connecting piece 14, a round face of one side, far away from the axis of the piston rod 15, of the upper support 13 is fixedly provided with an oil liquid storage support 40, the left side, far away from the center of a circle, of the oil liquid storage support 40 is provided with a conversion piston 37, the right side of the conversion piston 37 is provided with the conversion piston 37 capable of moving along the direction of being close to or far away from the axis of the piston rod 15, one side, near the axis of the piston rod 15, of the conversion piston 37 is provided with a stretching cavity 38, one side, far away from the axis of the piston rod 15, of the compression cavity 36 and one side, near the axis of the piston rod 15, of the stretching cavity 38 are both fixedly provided with a sealing gasket 35, the right end, far away from the axis of the piston rod 15, of the oil liquid storage support 40 is provided with a power cavity, the right side of the power compression cavity 57 is provided with a lubricating oil tank 61, and the lubricating oil tank 61 can store lubricating oil.
Beneficially, a diversion hole 23 penetrating through the inner wall surface and the outer wall surface of the working cylinder 20 is symmetrically formed in the wall surface of one side, away from the axis of the piston rod 15, of the diversion cavity 27, a compression oil inlet pipe 33 penetrating through the sliding sleeve 32 and communicated with the upper side of the compression cavity 36 is fixedly arranged at one end, away from the axis of the piston rod 15, of the diversion hole 23 at the left side, and an ascending oil return pipe 34 penetrating through the sliding sleeve 32 and communicated with the lower side of the compression cavity 36 is fixedly arranged at one end, away from the axis of the piston rod 15, of the diversion.
Beneficially, an expansion oil inlet pipe 41 communicated with the movable cavity 16 is arranged on the upper side of the side wall surface of the expansion cavity 38 close to the axis of the piston rod 15, a compression oil return pipe 39 communicated with the movable cavity 16 is arranged on the lower side of the side wall surface of the expansion cavity 38 close to the axis of the piston rod 15, a compression oil return passage 71 communicated with the movable cavity 16 is arranged at the left end of the upper side wall surface of the upper cavity 18 of the piston, an expansion oil outlet passage 47 communicated with the movable cavity 16 is arranged on the upper side wall surface of the upper cavity 18 of the piston, the expansion oil outlet passage 47 is divided into two parts, the left end of the expansion oil outlet passage 47 is connected with one end of the expansion oil inlet pipe 41 extending into the movable cavity 16, one end of the compression oil return pipe 39 extending into the movable cavity 16 is connected with the compression oil return passage 71, a power pipeline 48 is communicated between the side wall surface of the lubricating piston 58 close to the axis of the piston rod 15 and the movable, the power pipeline 48 is communicated with the right end of the oil outlet channel 47.
Beneficially, a compression tube compression channel 60 is communicated between a side wall surface of the power compression cavity 57 away from the axis of the piston rod 15 and an upper wall surface of the lubricating oil tank 61, a lubricating oil tube 62 is communicated with a lower wall surface of the lubricating oil tank 61, a lubricating oil channel 64 is communicated between the friction pad 45 away from the axis of the piston rod 15 and the lubricating oil tube 62, and a fifth valve 63 is fixedly arranged at a connection position of the lubricating oil channel 64 and the lubricating oil tube 62.
Beneficially, a flow valve 24 is fixedly arranged on the right side of the piston 19 away from the axis of the piston rod 15, a compression valve 25 is fixedly arranged on the left side of the closing plate 22 away from the axis of the piston rod 15, and an expansion valve 26 is fixedly arranged on the right side of the closing plate 22 away from the axis of the piston rod 15.
Beneficially, a compensation stop 55 is fixedly arranged on the upper end surface of the piston 19 away from the left side of the axis of the piston rod 15, a valve core cavity 49 with a downward opening is arranged at a position, corresponding to the compensation stop 55, of the lower end surface of the piston 19, a compensation channel 51 is arranged between the upper piston chamber 18 and the valve core cavity 49 at a position, corresponding to the compensation stop 55, of the piston, a compensation push rod 52 capable of moving up and down is arranged in the compensation channel 51, a compensation valve seat 53 is fixedly arranged at the upper end of the compensation push rod 52, a valve core 50 capable of sealing the compensation channel 51 is fixedly arranged at the lower end of the compensation push rod 52, and a compensation spring 54 is fixedly arranged between the lower end surface of the compensation valve.
Beneficially, keep away from piston rod 15 axle center one side the sealed 35 upper end of filling up and be located the inside fixed first valve 28 that is equipped with of compression oil feed pipe 33, keep away from piston rod 15 axle center one side the sealed 35 lower extreme of filling up and with rise oil return pipe 34 corresponding position and be equipped with fourth valve 31, be close to piston rod 15 axle center one side the sealed 35 upper end of filling up and be located the inside fixed third valve 30 that is equipped with of oil feed pipe 41 that stretches, be close to piston rod 15 axle center one side the sealed 35 lower extreme of filling up and with compression oil return pipe 39 corresponding position is fixed and is equipped with second valve 29.
Beneficially, an upper dustproof sleeve 43 is fixedly arranged on the lower end face of the oil storage support 40, a lower dustproof sleeve 42 is fixedly arranged on the upper end face of the lower support 11, a dustproof sleeve cavity 44 is arranged inside the lower dustproof sleeve 42, the lower end of the upper dustproof sleeve 43 extends into the dustproof sleeve cavity 44, the upper dustproof sleeve 43 can move up and down along the inner wall of the dustproof sleeve cavity 44, and a damping spring 46 is fixedly arranged between the lower support 11 and the oil storage support 40.
Beneficially, a return spring 59 is fixedly arranged between an end face of the lubricating piston 58 close to the axis of the piston rod 15 and a wall face of the power cavity 56 close to the axis of the piston rod 15, a pressure relief cavity 66 is arranged on the upper side of the power compression cavity 57, a pressure relief channel 65 penetrating through the upper wall face and the lower wall face of the pressure relief cavity 66 and communicated with the outside is arranged on the upper wall face of the power compression cavity 57, a pressure relief shaft 67 is fixedly arranged between the front wall face and the rear wall face of the pressure relief cavity 66 close to the axis of the piston rod 15, a rotatable pressure relief sealing plate 68 is arranged on the outer circumferential face of the pressure relief shaft 67, the pressure relief channel 65 can be sealed by the pressure relief sealing plate 68, a pressure relief spring hole 69 is communicated with the outside on the upper wall face of the pressure relief cavity 66 far away from the axis of the piston rod 15, and a pressure relief support, a pressure relief spring 72 penetrating through the pressure relief spring hole 69 is fixedly arranged between the lower end surface of the pressure relief support 70 and the upper end surface of the pressure relief sealing plate 68.
The following describes in detail the use steps of a lubricated and leakage-proof shock absorber with the present disclosure with reference to fig. 1 to 6: in the initial state, the piston 19 is at the upper limit position, the upper dustproof sleeve 43 is at the upper limit position inside the dustproof sleeve cavity 44, the damping spring 46 is in the free state, the pressure relief sealing plate 68 is in the closed state, and the pressure relief spring 72 is in the free state.
When the piston works, the piston 19 compresses downwards, so that the volume of the lower piston chamber 21 is reduced, the volume of the upper piston chamber 18 is increased, the internal pressure of the lower piston chamber 21 is greater than the internal pressure of the upper piston chamber 18, the circulation valve 24 and the compression valve 25 are in an open state, one part of oil in the lower piston chamber 21 enters the upper piston chamber 18, the other part of oil enters the compression oil inlet pipe 33 through the diversion chamber 27 and the diversion hole 23, the internal pressure of the compression oil inlet pipe 33 is greater, so that the first valve 28 is opened, the oil is pushed into the compression chamber 36, the conversion piston 37 is pushed to move towards the axial center side of the piston rod 15, the second valve 29 is opened, the oil flows back to the upper piston chamber 18 through the compression oil return pipe 39, greater damping is required when the piston 19 rises, the volume of the lower piston chamber 21 is increased when the piston 19 rises, the volume of the upper piston chamber 18, the pressure in the upper piston chamber 18 is increased, the compensating valve seat 53 is pushed to move downwards, the valve core 50 is released from the closed state of the compensating channel 51 through the compensating push rod 52, oil flows into the lower piston chamber 21 from the upper piston chamber 18, the pressure in the upper piston chamber 18 is higher, the third valve 30 is opened, the oil enters the extension chamber 38 and pushes the switching piston 37 to move towards the side far away from the axis of the piston rod 15, the fourth valve 31 is opened and returns the oil to the diversion chamber 27, the extension valve 26 is opened to compensate the oil in the lower piston chamber 21, meanwhile, the lubricating piston 58 is pushed to move towards the side far away from the axis of the piston rod 15, the return spring 59 is stretched, the internal pressure of the lubricating oil tank 61 is increased, the fifth valve 63 is pushed to be opened, the internal of the lubricating oil tank 61 is conveyed to the lubricating oil channel 64 and lubricate the friction pad 45, and the damping force is increased, when the piston 19 reaches the upper limit position, the third valve 30 is closed, the piston 19 is ready to enter a compression stroke, at this time, the lubricating piston 58 moves to the side close to the axis of the piston rod 15 under the action of elastic force, and then outside air is sucked to decompress the power compression cavity 57, at this time, the pressure relief channel 65 is opened, the pressure relief sealing plate 68 turns downwards around the pressure relief shaft 67, the pressure relief spring 72 is stretched, when the lubricating piston 58 moves to the limit position close to the axis of the piston rod 15, the pressure relief spring 72 drives the pressure relief sealing plate 68 to seal the pressure relief channel 65 again, meanwhile, the upper dustproof sleeve 43 at the lower limit position of the dustproof sleeve cavity 44 moves upwards, and outside dust can be prevented from being adsorbed on the outer wall of the sliding sleeve 32 to damage the friction pad 45.
The invention has the beneficial effects that: the invention effectively reduces the possibility of oil leakage by reducing the oil storage cylinder and externally circulating the oil, effectively reduces the friction between the upper support and the sliding sleeve by linking the ascending stroke with the lubricating system, effectively prolongs the service life of the shock absorber, simultaneously improves the damping force of the ascending stroke and is beneficial to shock absorption.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (9)
1. The utility model provides a can lubricate and have a bumper shock absorber of preventing leaking the function, includes the undersetting, its characterized in that: a working cylinder barrel which is communicated up and down is arranged on the upper side of the lower support, a piston which can move up and down is arranged on the inner wall surface of the working cylinder barrel, a sliding sleeve is fixedly arranged on one side, away from the piston axis, of the working cylinder barrel, an upper oil seal is fixedly arranged on the sliding sleeve and the upper end of the working cylinder barrel, the upper oil seal can seal the upper side of the working cylinder barrel, an upper support which can move up and down along the outer circular surface of the sliding sleeve is arranged on one side, away from the piston axis, of the upper oil seal, a friction pad is fixedly arranged between the upper support and the outer circular surface of the upper end of the sliding sleeve, the end surface, away from the piston axis, of the friction pad is fixedly connected with the inner wall surface of the upper support, the wall surface, close to the, the piston downside is equipped with cavity under the piston, cavity downside under the piston is equipped with and is fixed in the closure plate of work cylinder internal face, the closure plate downside is equipped with and is fixed in the under carriage is inside and right the work cylinder with port carries out the lower oil blanket that seals under the sliding sleeve, cavity downside under the piston is equipped with the water conservancy diversion chamber, the upper bracket with go up and form confined movable chamber between the oil blanket, the upper bracket up end is equipped with and can run through go up oil blanket up end down and extend to piston rod in the cavity, under the piston rod terminal surface with piston up end fixed connection, the fixed connecting piece that is equipped with of piston rod up end, the upper bracket is kept away from piston rod axle center one side disc is fixed and is equipped with fluid storage support, fluid storage support is inside to be equipped with and to keep away from the centre of a circle left side and is equipped with the conversion piston, the conversion piston right side is equipped with and the piston, the conversion piston is close to piston rod axle center one side is equipped with the chamber of stretching, the compression chamber is kept away from piston rod axle center one side wall with the chamber of stretching is close to piston rod axle center one side wall is all fixed to be equipped with sealed the pad, fluid is stored the support and is kept away from piston rod axle center one side right-hand member is equipped with the power chamber, the power chamber is kept away from piston rod axle center one side is equipped with gliding lubricated piston, lubricated piston is kept away from piston rod axle center one side is equipped with the power compression chamber, power compression chamber right side is equipped with lubricating-oil tank, lubricating-oil tank can store lubricated fluid.
2. A lubricated, leak-proof shock absorber as claimed in claim 1, wherein: the water conservancy diversion chamber is kept away from piston rod axle center one side wall symmetry is equipped with the water conservancy diversion hole that runs through wall in the working cylinder, the left side the water conservancy diversion hole is kept away from fixed being equipped with of piston rod axle center one end runs through sliding sleeve and with the compression advance oil pipe of compression chamber upside intercommunication, the right side the water conservancy diversion hole is kept away from fixed being equipped with of piston rod axle center one end runs through sliding sleeve and with the oil pipe that rises of compression chamber downside intercommunication.
3. A lubricated, leak-proof shock absorber as claimed in claim 1, wherein: an expansion oil inlet pipe communicated with the movable cavity is arranged on the upper side of the wall surface of one side of the expansion cavity close to the axis of the piston rod, a compression oil return pipe communicated with the movable cavity is arranged on the lower side of the wall surface of one side of the extension cavity close to the axis of the piston rod, a compression oil return passage communicated with the movable cavity is arranged at the left end of the upper side wall surface of the upper cavity of the piston, the upper side wall surface of the piston upper chamber is provided with an extended oil outlet channel communicated with the movable cavity, the extended oil outlet channel is divided into two parts, the left end of the expansion oil outlet channel is connected with one end of the expansion oil inlet pipe extending into the movable cavity, one end of the compression oil return pipe extending into the movable cavity is connected with the compression oil return channel, and a power pipeline is communicated between the wall surface of one side, close to the axis of the piston rod, of the lubricating piston and the movable cavity, and is communicated with the right end of the stretching oil outlet channel.
4. A lubricated, leak-proof shock absorber as claimed in claim 1, wherein: the power compression cavity is far away from one side wall surface of the axis of the piston rod and a compression pipe compression channel is communicated and arranged between the upper wall surface of the lubricating oil tank, a lubricating oil pipe is communicated and arranged on the lower wall surface of the lubricating oil tank, a lubricating oil channel is communicated and arranged between the friction pad and the lubricating oil pipe and far away from one side of the axis of the piston rod, and a fifth valve is fixedly arranged at the joint of the lubricating oil channel and the lubricating oil pipe.
5. A lubricated, leak-proof shock absorber as claimed in claim 1, wherein: the piston is far away from the right side of the axis of the piston rod and is fixedly provided with a circulation valve, the left side of the axis of the piston rod is far away from the sealing plate and is fixedly provided with a compression valve, and the right side of the axis of the piston rod is far away from the sealing plate and is fixedly provided with an expansion valve.
6. A lubricated, leak-proof shock absorber as claimed in claim 1, wherein: the compensation valve comprises a piston rod, a compensation check block, a valve core cavity, a compensation channel, a compensation push rod and a compensation valve seat, wherein the upper end face of the piston, which is far away from the left side of the axis of the piston rod, is fixedly provided with the compensation check block, the lower end face of the piston corresponds to the compensation check block, the valve core cavity with a downward opening is arranged in the position, corresponding to the compensation check block, of the lower end face of the piston, the compensation channel is communicated with the valve core cavity, the compensation push rod capable of moving up and down is arranged in the compensation channel, the upper end of the compensation push rod is fixedly provided with the compensation valve.
7. A lubricated, leak-proof shock absorber as claimed in claim 1, wherein: keep away from piston rod axle center one side sealed upper end just is located the inside fixed first valve that is equipped with of compression oil inlet pipe, keep away from piston rod axle center one side sealed lower extreme just with rise to return the fixed fourth valve that is equipped with in oil pipe corresponding position, be close to piston rod axle center one side sealed upper end just is located stretch to advance oil pipe inside and fixedly be equipped with the third valve, be close to piston rod axle center one side sealed lower extreme just with the compression returns the fixed second valve that is equipped with in oil pipe corresponding position.
8. A lubricated, leak-proof shock absorber as claimed in claim 1, wherein: the utility model discloses a dustproof sleeve, including support, fluid storage support, dust sleeve chamber, lower support up end, upper end face, lower dust sleeve chamber, upper end face, lower.
9. A lubricated, leak-proof shock absorber as claimed in claim 1, wherein: a return spring is fixedly arranged between the end surface of the lubricating piston close to one side of the axis of the piston rod and the wall surface of the power cavity close to one side of the axis of the piston rod, a pressure relief cavity is arranged at the upper side of the power compression cavity, a pressure relief channel which penetrates through the upper wall surface and the lower wall surface of the pressure relief cavity and is communicated with the outside is arranged on the upper wall surface of the power compression cavity, a pressure relief shaft is fixedly arranged between the front wall surface and the rear wall surface of the pressure relief cavity close to the axle center of the piston rod, a pressure relief sealing plate capable of rotating is arranged on the outer circular surface of the pressure relief shaft, the pressure relief channel can be sealed by the pressure relief sealing plate, the upper wall surface of one side of the pressure relief cavity far away from the axis of the piston rod is communicated with the outside and is provided with a pressure relief spring hole, a pressure relief support is fixedly arranged on the upper end surface of the oil liquid storage support corresponding to the pressure relief cavity, and a pressure relief spring penetrating through the pressure relief spring hole is fixedly arranged between the lower end face of the pressure relief support and the upper end face of the pressure relief sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010722747.3A CN111810572A (en) | 2020-07-24 | 2020-07-24 | Can lubricate and have bumper shock absorber of preventing leaking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010722747.3A CN111810572A (en) | 2020-07-24 | 2020-07-24 | Can lubricate and have bumper shock absorber of preventing leaking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111810572A true CN111810572A (en) | 2020-10-23 |
Family
ID=72862549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010722747.3A Withdrawn CN111810572A (en) | 2020-07-24 | 2020-07-24 | Can lubricate and have bumper shock absorber of preventing leaking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111810572A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161116A (en) * | 2021-03-26 | 2021-07-23 | 合肥齐兴电器有限责任公司 | Intervention type booster based on self-assisted compensation |
-
2020
- 2020-07-24 CN CN202010722747.3A patent/CN111810572A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161116A (en) * | 2021-03-26 | 2021-07-23 | 合肥齐兴电器有限责任公司 | Intervention type booster based on self-assisted compensation |
| CN113161116B (en) * | 2021-03-26 | 2023-02-10 | 合肥齐兴电器有限责任公司 | Intervention type booster based on self-assisted compensation |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201023 |
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| WW01 | Invention patent application withdrawn after publication |