CN118499396B - Oil pressure combined shock absorber for automobile - Google Patents
Oil pressure combined shock absorber for automobile Download PDFInfo
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- CN118499396B CN118499396B CN202410962624.5A CN202410962624A CN118499396B CN 118499396 B CN118499396 B CN 118499396B CN 202410962624 A CN202410962624 A CN 202410962624A CN 118499396 B CN118499396 B CN 118499396B
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 40
- 230000035939 shock Effects 0.000 title claims abstract description 39
- 238000013016 damping Methods 0.000 claims abstract description 126
- 230000007246 mechanism Effects 0.000 claims abstract description 119
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 53
- 239000007788 liquid Substances 0.000 claims description 40
- 230000000903 blocking effect Effects 0.000 claims description 20
- 238000002955 isolation Methods 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 235000014676 Phragmites communis Nutrition 0.000 claims description 10
- 244000273256 Phragmites communis Species 0.000 claims description 9
- 230000000452 restraining effect Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002401 inhibitory effect Effects 0.000 description 8
- 238000005086 pumping Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
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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
-
- 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
- F16F9/3207—Constructional features
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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
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
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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
- F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
- F16F9/49—Stops limiting fluid passage, e.g. hydraulic stops or elastomeric elements inside the cylinder which contribute to changes in fluid damping
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to the technical field of vibration dampers, and discloses an oil pressure combined vibration damper for an automobile, which comprises the following components: the hydraulic transmission mechanism, hydraulic transmission mechanism's one end is provided with prevents silt mechanism, hydraulic transmission mechanism keeps away from the one end of preventing silt mechanism and is provided with damping adjustment control mechanism, one side of damping adjustment control mechanism is provided with the rebound mechanism, and rebound mechanism is located hydraulic transmission mechanism's inside, rebound mechanism's inside is provided with elastic support mechanism and damping adjustment driven mechanism respectively, and elastic support mechanism's quantity and damping adjustment driven mechanism's quantity are a plurality of, and a plurality of elastic support mechanisms and a plurality of damping adjustment driven mechanism crisscross distribution. The oil pressure combined shock absorber for the automobile can adjust damping according to requirements by electrically controlling the damping adjusting motor or manually controlling the damping adjusting hand wheel, ensures that the shock absorber is suitable for urban road design and can also cope with mountain driving scenes.
Description
Technical Field
The invention relates to the technical field of vibration absorbers, in particular to an oil pressure combined vibration absorber for an automobile.
Background
The shock absorber is used for inhibiting vibration and impact from a road surface when the spring is rebounded after shock absorption, is widely used for automobiles, is used for accelerating the attenuation of the vibration of a frame and an automobile body so as to improve the running smoothness of the automobiles, and is used for inhibiting the spring jump when the shock absorber passes through an uneven road surface, and the shock absorber can filter the vibration of the road surface but also can reciprocate.
The shock absorber is mainly used for inhibiting vibration and impact from a road surface when the spring is rebounded after absorbing vibration, when the spring passes through an uneven road surface, the shock absorber can filter the vibration of the road surface, but the spring can do reciprocating motion, the shock absorber is used for inhibiting the spring from jumping, the shock absorber is too soft, the damping is too small, the vehicle body jumps up and down, the shock absorber is too hard, the damping is too large, too large resistance can be brought to prevent the spring from working normally, the road surface is relatively stable when the urban road is driven, at the moment, a softer shock absorber is selected to reduce the vibration, the road surface condition is relatively severe and sediment is more, at the moment, a harder shock absorber is needed to deal with the vibration, however, most of the shock absorbers on the market are mainly designed for the urban road, in a mountain driving scene, the shock absorbers can not adjust the damping according to requirements, in addition, when the exposed part of the shock absorber piston post is protected, the sleeve design with a gap is only provided between the shock absorber, the shock absorber can not easily invade the sleeve from the gap, and the outside of the piston post can not effectively protect the shock absorber from the exposed part of the piston post.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an oil pressure combined shock absorber for an automobile, which solves the problems in the background.
The invention provides the following technical scheme: an oil pressure combined shock absorber for an automobile, comprising: the hydraulic transmission mechanism, hydraulic transmission mechanism's one end is provided with prevents silt mechanism, hydraulic transmission mechanism keeps away from the one end of preventing silt mechanism and is provided with damping adjustment control mechanism, one side of damping adjustment control mechanism is provided with the rebound mechanism, and rebound mechanism is located hydraulic transmission mechanism's inside, rebound mechanism's inside is provided with elastic support mechanism and damping adjustment driven mechanism respectively, and elastic support mechanism's quantity and damping adjustment driven mechanism's quantity are a plurality of, and a plurality of elastic support mechanisms and a plurality of damping adjustment driven mechanism crisscross distribution.
Preferably, the hydraulic transmission mechanism comprises an outer oil cylinder, a sliding seal head, an inner oil cylinder, an isolation diaphragm, a fixed film ring, a piston column, an upper hanging lug, a buffer spring, an upper liquid port, a lower liquid port, a limit lug and a liquid pumping piston, wherein the sliding seal head is fixedly connected to the top end of the outer oil cylinder, the inner wall of the sliding seal head is fixedly connected with the sliding seal ring, the inner oil cylinder is fixedly arranged in the outer oil cylinder through the sliding seal head, damping liquid is filled between the inner oil cylinder and the outer oil cylinder, the isolation diaphragm is fixedly arranged on the inner wall of the outer oil cylinder through the fixed film ring, nitrogen is filled between the isolation diaphragm and the outer oil cylinder, the piston column is movably arranged in the inner part of the inner oil cylinder, the surface of the piston column is in sliding connection with the surface of the sliding seal ring, the upper hanging lug is fixedly connected to the top end of the piston column, the buffer spring is movably sleeved on the surface of the piston column, the upper liquid port and the lower liquid port respectively penetrate through the surface of the top end of the inner oil cylinder and the surface of the bottom end of the inner oil cylinder, the limit lug is integrally arranged on the surface of the piston column, the liquid pumping piston is fixedly arranged on the bottom of the piston column, and the bottom of the piston is fixedly arranged on the inner surface of the piston column.
Preferably, the silt prevention mechanism comprises a mud blocking sleeve, a sponge block and a mud blocking brush, wherein the mud blocking sleeve is fixedly sleeved on the surface of the top end of the piston column, the sponge block is fixedly connected to the inner wall of one end of the mud blocking sleeve, the surface of the sponge block is in sliding connection with the surface of the outer oil cylinder, the mud blocking brush is fixedly connected to the inner wall of the mud blocking sleeve, and the surface of the mud blocking brush is in sliding connection with the surface of the outer oil cylinder.
Preferably, the silt prevention mechanism further comprises an air guide frame, an air inlet frame, an exhaust fan, an air filtering sponge sheet and an isolation net, wherein the air guide frame is fixedly arranged on the surface of the mud blocking sleeve, the air inlet penetrates through the inner wall of the air guide frame, the air inlet frame is fixedly connected with the inner wall of the air guide frame, the exhaust fan is fixedly arranged in the air guide frame through the air inlet frame, and the air filtering sponge sheet is fixedly connected with one side of the air inlet frame through the isolation net.
Preferably, the damping adjustment control mechanism comprises a threaded shaft, a lifting pushing cylinder, a guide groove, a guide frame, a bottom sealing block and a shaft sealing ring, wherein the bottom sealing block is fixedly connected to the bottom end of the outer oil cylinder, the threaded shaft is rotationally connected to the inner wall of the bottom sealing block through a bearing, the lifting pushing cylinder is in threaded connection to the top end of the threaded shaft, the guide groove is formed in the surface of the lifting pushing cylinder, the guide frame is fixedly connected to the top of the bottom sealing block, the inner wall of the guide frame is in sliding connection with the surface of the lifting pushing cylinder, the shaft sealing ring is fixedly connected to the inner wall of the bottom sealing block, and the surface of the shaft sealing ring is in sliding connection with the surface of the threaded shaft.
Preferably, the damping adjustment control mechanism further comprises a cover plate, a lower hanging lug, a damping adjustment motor, a damping adjustment hand wheel and a scale bar, wherein the lower hanging lug is fixedly connected to one side of the bottom sealing block, the cover plate is fixedly connected between the bottom sealing block and the lower hanging lug, the damping adjustment motor is fixedly installed inside the lower hanging lug, an output end of the damping adjustment motor is fixedly connected with one end of the threaded shaft through a coupler, the damping adjustment hand wheel is fixedly sleeved on the surface of the threaded shaft, and the scale bar is arranged on the surface of the damping adjustment hand wheel.
Preferably, the damping adjustment control mechanism further comprises a mounting ring, a positioning slide block, a positioning spring and a positioning clamping wheel, wherein the mounting ring is fixedly connected to the inside of the bottom sealing block, the positioning slide block is slidably connected to the inner wall of the mounting ring, the positioning spring is fixedly connected to one side of the positioning slide block, the positioning spring is located between the positioning slide block and the mounting ring, the positioning clamping wheel is fixedly sleeved on the surface of the threaded shaft, and the positioning clamping wheel is meshed and connected with the positioning slide block.
Preferably, the rebound mechanism comprises an inner ring, an upper fixed sliding cylinder, a spring clamping cylinder, a lifting piston, a lower fixed sliding cylinder, a spring clamping seat, a first adjusting sealing ring, a compression spring, a liquid flow hole and a first flow restraining hole, wherein the inner ring is fixedly connected with the inner wall of the inner cylinder, the upper fixed sliding cylinder is fixedly connected with the inner wall of the inner ring, the spring clamping cylinder is fixedly connected with the inner wall of the upper fixed sliding cylinder, the lifting piston is slidingly connected with the inner wall of the inner cylinder, the lower fixed sliding cylinder is fixedly connected with the inner wall of the lifting piston, the spring clamping seat is fixedly connected with the inner wall of the lower fixed sliding cylinder, the compression spring is movably mounted between the spring clamping cylinder and the spring clamping seat, the liquid flow hole penetrates through two sides of the lifting piston, and the first flow restraining hole penetrates through the surface of the upper fixed sliding cylinder.
Preferably, the elastic supporting mechanism comprises a plurality of collars and a plurality of reeds, wherein each two collars and each six reeds are a group, each group of six reeds are fixedly connected between the two collars, the collars are positioned between the upper fixed sliding cylinder and the lower fixed sliding cylinder, and the bottoms of the upper fixed sliding cylinder and the tops of the lower fixed sliding cylinders are fixedly connected with the collars.
Preferably, the damping adjustment driven mechanism comprises a movable sliding cylinder, a movable inserting cylinder, a second flow inhibiting hole and a second adjustment sealing ring, the movable inserting cylinder is integrally arranged at the bottom of the movable sliding cylinder, the movable sliding cylinder and the movable inserting cylinder are respectively and fixedly connected between two adjacent sets of collars, the second flow inhibiting hole penetrates through the surface of the movable inserting cylinder, the second adjustment sealing ring is fixedly connected to the inner wall of the movable sliding cylinder, and the surface of the second adjustment sealing ring is in sliding connection with the surface of the movable inserting cylinder or the surface of the upper fixed sliding cylinder.
Compared with the prior art, the invention has the following beneficial effects:
This oil pressure combination shock absorber for car through hydraulic drive mechanism, damping adjustment control mechanism, resilience mechanism, elastic support mechanism and the damping regulation driven mechanism that set up, through electric control damping adjustment motor or manual control damping adjustment hand wheel, can adjust the damping as required, ensures that the shock absorber can also deal with mountain region driving scene when adapting to urban road design.
This oil pressure combination shock absorber for car through fender mud sleeve, sponge piece and fender mud brush that sets up, through the synergism of sponge piece and fender mud brush, effectively prevents that silt from getting into fender mud sleeve inside, simultaneously at the bumper shock absorber operation in-process, fender mud brush can brush the silt of outer hydro-cylinder surface and move the clearance.
This oil pressure combination shock absorber for car through wind-guiding frame, air intake, air inlet frame, exhaust fan, strain wind sponge piece and the isolation network that sets up, when using, produces high-speed air current through the exhaust fan, outwards blows from fender mud sleeve inside, can ensure to initiatively clear up the sponge piece and keep off the silt between the mud brush, can also form outside wind pressure district simultaneously, effectively stops silt entering fender mud sleeve.
The oil pressure combined shock absorber for the automobile comprises a threaded shaft, a lifting pushing cylinder, a guide groove, a guide frame, a bottom sealing block, a shaft sealing ring, a cover plate, a lower hanging lug, a damping adjusting motor, a damping adjusting hand wheel, a scale bar, a mounting ring, a positioning sliding block, a positioning spring and a positioning clamping wheel, wherein the damping inside the damper can be adjusted by driving the damping adjusting motor or manually controlling an auxiliary device of the damping adjusting hand wheel outside an outer oil cylinder.
This oil pressure combination shock absorber for car through the smooth section of thick bamboo of moving that sets up, move and insert a section of thick bamboo, second and restrain the discharge orifice and second regulation sealing washer, through adjusting the relative position between a plurality of damping adjustment driven mechanism, can effectively regulate and control the degree of opening that second restrained the discharge orifice and first restrained the discharge orifice, and then realize the accurate control to damping fluid flow to the realization is to the regulation of damping size.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a side cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
FIG. 4 is a schematic view of the structure of the present invention at the position of the cylinder;
FIG. 5 is a schematic view of a damping adjustment control mechanism according to the present invention;
FIG. 6 is a schematic view of an internal explosion structure of the damping adjustment control mechanism of the present invention;
FIG. 7 is a schematic view of an exploded view of the bottom closure in place of the present invention;
FIG. 8 is a schematic view of an exploded view of a damping adjustment hand wheel of the present invention;
FIG. 9 is a schematic view of the structure of the present invention at the location of the threaded shaft;
FIG. 10 is a schematic view of the present invention in a position of a damping adjustment driven mechanism;
FIG. 11 is a side cross-sectional view of the present invention at the location of a damping adjustment driven mechanism;
FIG. 12 is a schematic view of an exploded view of the present invention at the location of a damping adjustment driven mechanism;
FIG. 13 is a schematic view of the internal explosion structure of the damping adjustment driven mechanism and the elastic support mechanism of the present invention.
In the figure: 101. an outer cylinder; 102. sliding the end socket; 103. an inner cylinder; 104. an isolation diaphragm; 105. a membrane fixing ring; 106. a piston column; 107. an upper hanging lug; 108. a buffer spring; 109. a liquid feeding port; 110. a liquid outlet; 111. a limit bump; 112. a liquid pumping piston; 201. a mud-stopping sleeve; 202. a sponge block; 203. a mud-blocking brush; 204. an air guide frame; 205. an air inlet; 206. an air inlet frame; 207. an exhaust fan; 208. a wind filtering sponge sheet; 209. an isolation net; 301. a threaded shaft; 302. lifting the pushing cylinder; 303. a guide groove; 304. a guide frame; 305. a bottom sealing block; 306. a shaft seal ring; 307. a cover plate; 308. a lower hanging lug; 309. damping adjustment motor; 310. damping adjusting handwheels; 311. a scale bar; 312. a mounting ring; 313. positioning a sliding block; 314. a positioning spring; 315. positioning a clamping wheel; 401. an inner ring; 402. an upper fixed sliding cylinder; 403. a spring clamping cylinder; 404. a lifting piston; 405. a lower fixed sliding cylinder; 406. a spring clamping seat; 407. a first adjusting seal ring; 408. a compression spring; 409. a liquid flow hole; 410. a first flow suppression aperture; 501. a collar; 502. a reed; 601. a sliding cylinder; 602. a movable plug cylinder; 603. a second flow suppression aperture; 604. and a second adjusting sealing ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-13, an oil pressure combined shock absorber for an automobile includes: the hydraulic transmission mechanism, hydraulic transmission mechanism's one end is provided with prevents silt mechanism, hydraulic transmission mechanism keeps away from the one end of preventing silt mechanism and is provided with damping adjustment control mechanism, one side of damping adjustment control mechanism is provided with the resilience mechanism, and the resilience mechanism is located hydraulic transmission mechanism's inside, resilience mechanism's inside is provided with elastic support mechanism and damping adjustment driven mechanism respectively, and elastic support mechanism's quantity and damping adjustment driven mechanism's quantity are a plurality of, and a plurality of elastic support mechanisms and a plurality of damping adjustment driven mechanism crisscross distribution, hydraulic transmission mechanism through setting up, damping adjustment control mechanism, resilience mechanism, elastic support mechanism and damping adjustment driven mechanism, through electric control damping adjustment motor 309 or manual control damping adjustment hand wheel 310, can adjust the damping as required, ensure that the bumper shock absorber can also deal with mountain region driving scene when adapting to urban road design.
Wherein; the hydraulic transmission mechanism comprises an outer oil cylinder 101, a sliding seal head 102, an inner oil cylinder 103, an isolation diaphragm 104, a fixed film ring 105, a piston column 106, an upper hanging lug 107, a buffer spring 108, an upper liquid port 109, a lower liquid port 110, a limit lug 111 and a liquid pumping piston 112, wherein the sliding seal head 102 is fixedly connected to the top end of the outer oil cylinder 101, the inner wall of the sliding seal head 102 is fixedly connected with a sliding seal ring, the inner oil cylinder 103 is fixedly arranged in the outer oil cylinder 101 through the sliding seal head 102, damping liquid is filled between the inner oil cylinder 103 and the outer oil cylinder 101, the isolation diaphragm 104 is fixedly arranged on the inner wall of the outer oil cylinder 101 through the fixed film ring 105, nitrogen is filled between the isolation diaphragm 104 and the outer oil cylinder 101, compression yielding through nitrogen is guaranteed when the piston column 106 contracts, an unstable cavity is avoided by expanding through nitrogen when the piston column 106 expands, the piston column 106 is used at any angle, the surface of the piston column 106 is in sliding connection with the surface of the sliding seal ring, the upper hanging lug 107 is fixedly connected to the surface of the inner oil cylinder 103, the surface of the piston column 106 is fixedly arranged on the inner wall of the inner oil cylinder 103, the surface of the piston column 106 is fixedly connected to the surface of the piston column 106, the surface of the piston column 106 is fixedly arranged on the bottom end of the piston column 106, and the piston column 106 is connected with the piston 112, and the surface of the piston column 106 is fixedly arranged on the top end of the piston column 106, and runs through the piston 106.
Wherein; prevent silt mechanism includes fender mud sleeve 201, sponge piece 202 and fender mud brush 203, fender mud sleeve 201 is fixed to be cup jointed on the surface on piston post 106 top, sponge piece 202 fixed connection is at the inner wall that keeps off mud sleeve 201 one end, and the surface sliding connection of sponge piece 202 and outer hydro-cylinder 101, fender mud brush 203 fixed connection is at the inner wall that keeps off mud sleeve 201, and the surface sliding connection that keeps off mud brush 203 and outer hydro-cylinder 101, through fender mud sleeve 201 that sets up, sponge piece 202 and fender mud brush 203, through the synergism of sponge piece 202 and fender mud brush 203, effectively prevent that silt from getting into fender mud sleeve 201 inside, simultaneously at the bumper shock absorber operation in-process, fender mud brush 203 can brush the silt on outer hydro-cylinder 101 surface and move the clearance.
Wherein; prevent silt mechanism still includes wind-guiding frame 204, air intake 205, air inlet frame 206, air exhauster 207, strain wind sponge piece 208 and isolation network 209, wind-guiding frame 204 fixed mounting is at the surface that keeps off mud sleeve 201, air intake 205 runs through the inner wall of seting up at wind-guiding frame 204, air inlet frame 206 fixed connection is at the inner wall of wind-guiding frame 204, air exhauster 207 passes through the inside of wind-guiding frame 204 of air inlet frame 206 fixed mounting, strain wind sponge piece 208 passes through isolation network 209 fixed connection in one side of air inlet frame 206, through the wind-guiding frame 204 that sets up, air intake 205, air inlet frame 206, air exhauster 207, strain wind sponge piece 208 and isolation network 209, when using, produce high-speed air current through air exhauster 207, outwards blow from fender mud sleeve 201 inside, can ensure to initiatively clear up the silt between sponge piece 202 and the fender mud brush 203, simultaneously can also form outside wind pressure area, effectively block silt entering fender mud sleeve 201.
Wherein; the damping adjustment control mechanism comprises a threaded shaft 301, a lifting pushing cylinder 302, a guide groove 303, a guide frame 304, a bottom sealing block 305 and a shaft sealing ring 306, wherein the bottom sealing block 305 is fixedly connected to the bottom end of the outer oil cylinder 101, the threaded shaft 301 is rotationally connected to the inner wall of the bottom sealing block 305 through a bearing, the lifting pushing cylinder 302 is in threaded connection to the top end of the threaded shaft 301, the guide groove 303 is formed in the surface of the lifting pushing cylinder 302, the guide frame 304 is fixedly connected to the top of the bottom sealing block 305, the inner wall of the guide frame 304 is in sliding connection with the surface of the lifting pushing cylinder 302, the shaft sealing ring 306 is fixedly connected to the inner wall of the bottom sealing block 305, the surface of the shaft sealing ring 306 is in sliding connection with the surface of the threaded shaft 301, and the stretching of the lifting pushing cylinder 302 can be controlled through twisting of the threaded shaft 301, so that the stretching of the damping adjustment driven mechanism can be indirectly adjusted.
Wherein; the damping adjustment control mechanism further comprises a cover plate 307, a lower hanging lug 308, a damping adjustment motor 309, a damping adjustment hand wheel 310 and a scale bar 311, wherein the lower hanging lug 308 is fixedly connected to one side of the bottom sealing block 305, the cover plate 307 is fixedly connected between the bottom sealing block 305 and the lower hanging lug 308, the damping adjustment motor 309 is fixedly installed inside the lower hanging lug 308, an output end of the damping adjustment motor 309 is fixedly connected with one end of the threaded shaft 301 through a coupler, the damping adjustment hand wheel 310 is fixedly sleeved on the surface of the threaded shaft 301, the scale bar 311 is arranged on the surface of the damping adjustment hand wheel 310, so that the twisting of the threaded shaft 301 can be controlled by utilizing a circuit according to requirements, or the twisting of the threaded shaft 301 can be manually controlled by utilizing the damping adjustment hand wheel 310 through contrast of the scale bar 311.
Wherein; the damping adjustment control mechanism further comprises a mounting ring 312, a positioning sliding block 313, a positioning spring 314 and a positioning clamping wheel 315, wherein the mounting ring 312 is fixedly connected inside the bottom sealing block 305, the positioning sliding block 313 is slidably connected to the inner wall of the mounting ring 312, the positioning spring 314 is fixedly connected to one side of the positioning sliding block 313, the positioning spring 314 is located between the positioning sliding block 313 and the mounting ring 312, the positioning clamping wheel 315 is fixedly sleeved on the surface of the threaded shaft 301, the positioning clamping wheel 315 is in meshed connection with the positioning sliding block 313, and the damping adjustment can be formed and adjusted on the inside of the damper by driving the damping adjustment motor 309 or an auxiliary device of the manual damping adjustment hand wheel 310 outside the outer oil cylinder 101 through the arranged threaded shaft 301, the lifting push cylinder 302, the guide groove 303, the guide frame 304, the bottom sealing block 305, the shaft sealing ring 306, the cover plate 307, the lower hanging lugs 308, the damping adjustment motor 309, the damping adjustment hand wheel 310, the scale bars 311, the mounting ring 312, the positioning sliding block 313, the positioning spring 314 and the positioning clamping wheel 315.
Wherein; the rebound mechanism comprises an inner connecting ring 401, an upper fixed sliding cylinder 402, a spring clamping cylinder 403, a lifting piston 404, a lower fixed sliding cylinder 405, a spring clamping seat 406, a first adjusting sealing ring 407, a compression spring 408, a liquid flow hole 409 and a first flow inhibiting hole 410, wherein the inner connecting ring 401 is fixedly connected with the inner wall of the inner cylinder 103, the upper fixed sliding cylinder 402 is fixedly connected with the inner wall of the inner connecting ring 401, the spring clamping cylinder 403 is fixedly connected with the inner wall of the upper fixed sliding cylinder 402, the lifting piston 404 is slidably connected with the inner wall of the inner cylinder 103, the lower fixed sliding cylinder 405 is fixedly connected with the inner wall of the lifting piston 404, the spring clamping seat 406 is fixedly connected with the inner wall of the lower fixed sliding cylinder 405, the compression spring 408 is movably arranged between the spring clamping cylinder 403 and the spring clamping seat 406, the liquid flow hole 409 penetrates through two sides of the lifting piston 404, and the first flow inhibiting hole 410 penetrates through the surface of the upper fixed sliding cylinder 402 so that the lower fixed sliding cylinder 405 can be pushed to descend through the extrusion of the compression spring 408 when the lifting pushing cylinder 302 contracts, and the action of the damping adjusting driven mechanism can be smoothly guaranteed.
Wherein; the elastic supporting mechanism comprises a plurality of collars 501 and a plurality of reeds 502, wherein each two collars 501 and each six reeds 502 are in a group, each group of six reeds 502 is fixedly connected between the two collars 501, the collars 501 are positioned between the upper fixed sliding cylinder 402 and the lower fixed sliding cylinder 405, and the bottoms of the upper fixed sliding cylinder 402 and the tops of the lower fixed sliding cylinder 405 are fixedly connected with the collars 501 so as to form a support for a plurality of damping adjustment driven mechanisms.
Wherein; the damping adjustment driven mechanism comprises a movable sliding cylinder 601, a movable inserting cylinder 602, a second flow restraining hole 603 and a second adjustment sealing ring 604, the movable inserting cylinder 602 is integrally arranged at the bottom of the movable sliding cylinder 601, the movable sliding cylinder 601 and the movable inserting cylinder 602 are respectively and fixedly connected between two adjacent groups of lantern rings 501, the second flow restraining hole 603 penetrates through the surface of the movable inserting cylinder 602, the second adjustment sealing ring 604 is fixedly connected to the inner wall of the movable sliding cylinder 601, the surface of the second adjustment sealing ring 604 is in sliding connection with the surface of the movable inserting cylinder 602 or the surface of the upper fixed sliding cylinder 402, the adjacent damping adjustment driven mechanism is movably inserted into the movable sliding cylinder 601 through the movable inserting cylinder 602 to realize stacked connection, and the opening degree of the second flow restraining hole 603 and the first flow restraining hole 410 can be effectively regulated and controlled through adjusting the relative positions among the plurality of the damping adjustment driven mechanisms, so that the accurate control of the opening degree of the damping liquid is realized, and the damping adjustment of the damping size is realized.
Working principle:
During damping, vibration can enable the piston column 106 to drive the pump liquid piston 112 to slide up and down in the inner cylinder 103, when the pump liquid piston 112 slides, damping liquid is driven to pass through the first damping hole 410 and the second damping hole 603, the damping liquid is difficult to pass through instantly due to limited size of the first damping hole 410 and the second damping hole 603, the pump liquid piston 112 is difficult to slide instantly, jump of the buffer spring 108 is prevented, the first damping hole 410 and the second damping hole 603 Zhang Kaiyue are large, the larger the flow rate of the damping liquid passing through is, the higher the sliding efficiency of the pump liquid piston 112 is, the smaller the damping of the damper is, and therefore the damping size of the damper can be adjusted by changing the opening degree of the first damping hole 410 and the second damping hole 603;
When the damping size is adjusted, the threaded shaft 301 can be driven to rotate by contrasting the torsional damping adjusting hand wheel 310 of the scale bar 311 or controlling the rotation of the damping adjusting motor 309, the lifting pushing cylinder 302 is driven to lift along the guide frame 304 by threads when the threaded shaft 301 rotates, the spring clamping seat 406 is pressed upwards when the lifting pushing cylinder 302 ascends, the compression springs 408 are contracted, the upper fixed sliding cylinder 402 and the movable inserting cylinders 602 are inserted into the movable sliding cylinders 601 or the lower fixed sliding cylinder 405 respectively, the exposed parts of the second damping holes 603 and the first damping holes 410 are reduced, the flow rate of damping liquid is reduced, the damping of the device is further increased, the compression springs 408 are downwards released and the spring clamping seat 406 is pressed when the lifting pushing cylinder 302 descends, the upper fixed sliding cylinder 402 and the movable inserting cylinders 602 slide out of the movable sliding cylinders 601 or the lower fixed sliding cylinders 405 respectively, the outer parts of the second damping holes 603 and the first damping holes 410 are increased, the flow rate of the damping liquid is increased when the damping liquid flows is reduced, and the damping of the device is greatly adjusted is further reduced;
When the mud and sand is cleaned or blocked in the upper road, the air draft fan 207 is started, the air draft fan 207 accelerates the external air to pump into the mud blocking sleeve 201, dust and impurities carried by the air are filtered by passing through the air filtering sponge sheet 208 and the isolation net 209 when the air enters, the air enters the mud blocking sleeve 201 from the air inlet 205 after being accelerated by the air draft fan 207, then the air is pumped out through a gap between the sponge block 202 and the mud blocking brush 203, the mud and sand between the sponge block 202 and the mud blocking brush 203 is taken away, a wind pressure area is formed on the surface of the outer oil cylinder 101 to block the dust from entering, and meanwhile, the air flow rapidly flowing through the surface of the outer oil cylinder 101 accelerates the heat dissipation of the outer oil cylinder 101.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An oil pressure combined shock absorber for an automobile, comprising: the hydraulic transmission mechanism is characterized in that one end of the hydraulic transmission mechanism is provided with a sediment prevention mechanism, one end of the hydraulic transmission mechanism, which is far away from the sediment prevention mechanism, is provided with a damping adjustment control mechanism, one side of the damping adjustment control mechanism is provided with a rebound mechanism, the rebound mechanism is positioned in the hydraulic transmission mechanism, the rebound mechanism is internally provided with an elastic supporting mechanism and a damping adjustment driven mechanism respectively, the number of the elastic supporting mechanisms and the number of the damping adjustment driven mechanisms are multiple, and the elastic supporting mechanisms and the damping adjustment driven mechanisms are distributed in a staggered manner;
The damping adjustment control mechanism comprises a threaded shaft (301), a lifting pushing cylinder (302), a guide groove (303), a guide frame (304), a bottom sealing block (305) and a shaft sealing ring (306), wherein the bottom sealing block (305) is fixedly connected to the bottom end of an outer oil cylinder (101), the threaded shaft (301) is rotationally connected to the inner wall of the bottom sealing block (305) through a bearing, the lifting pushing cylinder (302) is in threaded connection with the top end of the threaded shaft (301), the guide groove (303) is formed in the surface of the lifting pushing cylinder (302), the guide frame (304) is fixedly connected to the top of the bottom sealing block (305), the inner wall of the guide frame (304) is in sliding connection with the surface of the lifting pushing cylinder (302), the shaft sealing ring (306) is fixedly connected to the inner wall of the bottom sealing block (305), and the surface of the shaft sealing ring (306) is in sliding connection with the surface of the threaded shaft (301).
The damping adjustment control mechanism further comprises a cover plate (307), a lower hanging lug (308), a damping adjustment motor (309), a damping adjustment hand wheel (310) and a scale bar (311), wherein the lower hanging lug (308) is fixedly connected to one side of the bottom sealing block (305), the cover plate (307) is fixedly connected between the bottom sealing block (305) and the lower hanging lug (308), the damping adjustment motor (309) is fixedly installed inside the lower hanging lug (308), the output end of the damping adjustment motor (309) is fixedly connected with one end of the threaded shaft (301) through a coupler, the damping adjustment hand wheel (310) is fixedly sleeved on the surface of the threaded shaft (301), and the scale bar (311) is arranged on the surface of the damping adjustment hand wheel (310);
The damping adjustment control mechanism further comprises a mounting ring (312), a positioning sliding block (313), a positioning spring (314) and a positioning clamping wheel (315), wherein the mounting ring (312) is fixedly connected to the inside of the bottom sealing block (305), the positioning sliding block (313) is slidably connected to the inner wall of the mounting ring (312), the positioning spring (314) is fixedly connected to one side of the positioning sliding block (313), the positioning spring (314) is located between the positioning sliding block (313) and the mounting ring (312), the positioning clamping wheel (315) is fixedly sleeved on the surface of the threaded shaft (301), and the positioning clamping wheel (315) is meshed with the positioning sliding block (313);
The rebound mechanism comprises an inner connecting ring (401), an upper fixed sliding cylinder (402), a spring clamping cylinder (403), a lifting piston (404), a lower fixed sliding cylinder (405), a spring clamping seat (406), a first adjusting sealing ring (407), a compression spring (408), a liquid flow hole (409) and a first flow restraining hole (410), wherein the inner connecting ring (401) is fixedly connected with the inner wall of the inner cylinder (103), the upper fixed sliding cylinder (402) is fixedly connected with the inner wall of the inner connecting ring (401), the spring clamping cylinder (403) is fixedly connected with the inner wall of the upper fixed sliding cylinder (402), the lifting piston (404) is slidably connected with the inner wall of the inner cylinder (103), the lower fixed sliding cylinder (405) is fixedly connected with the inner wall of the lifting piston (404), the first adjusting sealing ring (407) is fixedly connected with the inner wall of the lower fixed sliding cylinder (405), the compression spring (408) is movably arranged between the spring clamping cylinder (403) and the spring clamping seat (406), and the liquid flow (409) is fixedly connected with the inner wall of the lower fixed sliding cylinder (405) at two sides of the upper fixed sliding cylinder (103).
2. The hydraulic transmission mechanism of the automobile oil pressure combined shock absorber according to claim 1, wherein the hydraulic transmission mechanism comprises an outer oil cylinder (101), a sliding seal head (102), an inner oil cylinder (103), an isolation diaphragm (104), a fixed film ring (105), a piston column (106), an upper hanging lug (107), a buffer spring (108), an upper liquid port (109), a lower liquid port (110), a limit lug (111) and a pump liquid piston (112), the sliding seal head (102) is fixedly connected to the top end of the outer oil cylinder (101), the inner wall of the sliding seal head (102) is fixedly connected with a sliding seal ring, the inner oil cylinder (103) is fixedly installed inside the outer oil cylinder (101) through the sliding seal head (102), damping liquid is filled between the inner oil cylinder (103) and the outer oil cylinder (101), the isolation diaphragm (104) is fixedly installed on the inner wall of the outer oil cylinder (101) through the fixed film ring (105), nitrogen is filled between the isolation diaphragm (104) and the outer oil cylinder (101), the piston column (106) is movably installed inside the inner oil cylinder (103), the surface of the piston column (106) is fixedly connected to the surface of the sliding seal head (106) through the sliding seal ring, the surface of the piston column (106) is fixedly connected to the surface of the piston column (106), go up liquid mouth (109) with liquid mouth (110) runs through respectively and sets up the surface on interior hydro-cylinder (103) top and the surface of interior hydro-cylinder (103) bottom, spacing lug (111) integral type sets up the surface at piston post (106), pump liquid piston (112) fixed mounting is in the bottom of piston post (106), and the surface and the inner wall sliding connection of interior hydro-cylinder (103) of pump liquid piston (112).
3. The oil pressure combination shock absorber for the automobile according to claim 2, wherein the silt prevention mechanism comprises a silt blocking sleeve (201), a sponge block (202) and a silt blocking brush (203), the silt blocking sleeve (201) is fixedly sleeved on the surface of the top end of the piston column (106), the sponge block (202) is fixedly connected to the inner wall of one end of the silt blocking sleeve (201), the surface of the sponge block (202) is in sliding connection with the surface of the outer oil cylinder (101), the silt blocking brush (203) is fixedly connected to the inner wall of the silt blocking sleeve (201), and the surface of the silt blocking brush (203) is in sliding connection with the surface of the outer oil cylinder (101).
4. The oil pressure combination shock absorber for an automobile according to claim 3, wherein the silt prevention mechanism further comprises an air guide frame (204), an air inlet (205), an air inlet frame (206), an air suction fan (207), an air filtering sponge sheet (208) and an isolation net (209), wherein the air guide frame (204) is fixedly arranged on the surface of the mud blocking sleeve (201), the air inlet (205) is formed by penetrating through the inner wall of the air guide frame (204), the air inlet frame (206) is fixedly connected to the inner wall of the air guide frame (204), the air suction fan (207) is fixedly arranged in the air guide frame (204) through the air inlet frame (206), and the air filtering sponge sheet (208) is fixedly connected to one side of the air inlet frame (206) through the isolation net (209).
5. The hydraulic combination shock absorber according to claim 1, wherein the elastic supporting mechanism comprises a plurality of collars (501) and a plurality of reeds (502), each two collars (501) and each six reeds (502) are a group, each six reeds (502) of each group are fixedly connected between the two collars (501), the collars (501) are located between the upper fixed sliding cylinder (402) and the lower fixed sliding cylinder (405), and the bottoms of the upper fixed sliding cylinder (402) and the tops of the lower fixed sliding cylinders (405) are fixedly connected with the collars (501).
6. The oil pressure combined shock absorber for an automobile according to claim 5, wherein the damping adjustment driven mechanism comprises a movable sliding cylinder (601), a movable inserting cylinder (602), a second flow restraining hole (603) and a second adjustment sealing ring (604), the movable inserting cylinder (602) is integrally arranged at the bottom of the movable sliding cylinder (601), the movable sliding cylinder (601) and the movable inserting cylinder (602) are fixedly connected between two adjacent groups of lantern rings (501) respectively, the second flow restraining hole (603) penetrates through the surface of the movable inserting cylinder (602), the second adjustment sealing ring (604) is fixedly connected to the inner wall of the movable sliding cylinder (601), and the surface of the second adjustment sealing ring (604) is in sliding connection with the surface of the movable inserting cylinder (602) or the surface of the upper fixed sliding cylinder (402).
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| CN202410962624.5A CN118499396B (en) | 2024-07-18 | 2024-07-18 | Oil pressure combined shock absorber for automobile |
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| CN202410962624.5A CN118499396B (en) | 2024-07-18 | 2024-07-18 | Oil pressure combined shock absorber for automobile |
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| CN118499396B true CN118499396B (en) | 2024-10-08 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720795A (en) * | 2012-06-12 | 2012-10-10 | 江苏科技大学 | Hydro-pneumatic spring for amphibious vehicles and hydraulic regulating device for hydro-pneumatic spring for amphibious vehicle |
| CN217603251U (en) * | 2022-07-12 | 2022-10-18 | 昆明学院 | Viscous damper with limiting structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU80208U1 (en) * | 2008-08-25 | 2009-01-27 | Государственное образовательное учреждение высшего профессионального образования "Петербургский государственный университет путей сообщения" | TRANSPORT HYDRAULIC DAMPER |
| DE102022002548A1 (en) * | 2022-07-12 | 2024-01-18 | Günther Zimmer | Spring-damper system with piston-stroke-dependent throttle check valve |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720795A (en) * | 2012-06-12 | 2012-10-10 | 江苏科技大学 | Hydro-pneumatic spring for amphibious vehicles and hydraulic regulating device for hydro-pneumatic spring for amphibious vehicle |
| CN217603251U (en) * | 2022-07-12 | 2022-10-18 | 昆明学院 | Viscous damper with limiting structure |
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