CN108799396B - Automobile shock absorption mechanism - Google Patents
Automobile shock absorption mechanism Download PDFInfo
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- CN108799396B CN108799396B CN201810707583.XA CN201810707583A CN108799396B CN 108799396 B CN108799396 B CN 108799396B CN 201810707583 A CN201810707583 A CN 201810707583A CN 108799396 B CN108799396 B CN 108799396B
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- 230000035939 shock Effects 0.000 title claims abstract description 30
- 238000010521 absorption reaction Methods 0.000 title abstract description 18
- 238000013016 damping Methods 0.000 claims description 67
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
- B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
- B60G13/10—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type pneumatic
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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
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/20—Type of damper
- B60G2202/24—Fluid damper
- B60G2202/242—Pneumatic damper
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention belongs to the technical field of shock absorption, and particularly relates to an automobile shock absorption mechanism which comprises a trigger mechanism, a lower top block, a shock absorption spring, a sliding plate, an annular cylinder, a bottom plate, a gas switch and a switch adjusting block, wherein the bottom plate is connected with a chassis; in addition, the periphery of the pneumatic spring is also provided with a traditional rigid spring, when the impact exceeds the elastic bearing range of the rigid spring, the impact can trigger the trigger mechanism to open the pneumatic switch, and the pneumatic switch is opened to introduce high-pressure gas into the pneumatic spring through the first gas inlet, so that the elastic coefficient of the pneumatic spring is increased, and the next excessive impact is relieved.
Description
The application is a divisional application of a patent with the application number of 2017100700854 and the application date of 2017, 02-09, entitled "shock-resistant automobile shock-absorbing mechanism".
Technical Field
The invention belongs to the technical field of shock absorption, and particularly relates to an impact-resistant automobile shock absorption mechanism.
Background
At present, a damping mechanism is arranged between a chassis and a vehicle body, and the vehicle body can overcome the influence of the concave-convex of the ground on the vehicle body under the action of the damping mechanism; traditional damper can guarantee to have elasticity under certain impact force and alleviate ground impact. When the vehicle speed is high or the impact is great due to large ground bulge, the shock absorption mechanism exceeds the range of impact strength which can be relieved by the shock absorption mechanism, and the shock absorption mechanism has inelastic travel, so that the vehicle body and the chassis are impacted; in addition, when the running time of the vehicle is long, the damping mechanism can lose certain elasticity to cause the collision of the vehicle body and the chassis. The collision damages the chassis and the body of the vehicle to a certain extent, and the service life of the vehicle is shortened.
The invention designs an impact-resistant automobile shock absorption mechanism to solve the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses an impact-resistant automobile shock absorption mechanism which is realized by adopting the following technical scheme.
The utility model provides an automobile shock absorber mechanism who shocks resistance which characterized in that: the damping mechanism comprises a back support plate, a triggering mechanism, a lower ejector block support, a first top plate, a top plate support, a first air inlet, a second top plate, a piston ring, a damping spring, a sliding plate, a second air outlet, a second air inlet, a second switch support, a first switch support, an annular cylinder, a triggering mechanism support column, a support column support, a damping inner rod, a damping rod sleeve, a bottom plate, an air passage, a gas switch and a switch adjusting block, wherein the first top plate is arranged at the bottom of a vehicle body; a piston ring is arranged on the lower side of the second top plate and is nested on the outer side of the damping inner rod; the annular cylinder is a circular cylinder body, an annular inner cavity is formed in the circular cylinder, the annular cylinder is installed on the bottom plate, the inner wall of the annular cylinder is in contact with the outer edge surface of the damping rod sleeve, and the piston ring is nested in the annular inner cavity of the annular cylinder; the second top plate is symmetrically provided with a first air inlet and a first air outlet, the piston ring is symmetrically provided with two through air passages which are respectively communicated with the first air inlet and the first air outlet; the damping spring is nested outside the piston ring and the annular cylinder, one end of the damping spring is arranged on the upper side of the bottom plate, and the other end of the damping spring is arranged on the lower side of the second top plate; the lower ejector block is supported and installed on the lower side of the second top plate through the lower ejector block; the trigger mechanism supporting column is arranged on the bottom plate through a supporting column support, the switch second support is arranged on the upper side of the trigger mechanism supporting column through a switch first support, the back supporting plate is arranged at the top end of the trigger mechanism supporting column through a transverse supporting plate, and the trigger mechanism is arranged on the transverse supporting plate; the gas switch is installed on the switch second support, and a second air inlet is installed to the gas switch side, and a second gas outlet is installed to the gas switch upper end, and gas switch one side has the switch regulating block.
The trigger mechanism comprises a trigger block, a clamping groove, a vertical moving vertical plate, a vertical moving rail, a vertical triggering rod, a clamping block, a vertical moving transverse plate, a transverse moving guide groove, a trigger transverse plate, a second spring, a first telescopic rod, a first telescopic sleeve, a vertical moving guide groove, a clamping block arc, a bottom end plate, a clamping groove opening, a transverse moving guide block, a second telescopic rod, a second telescopic sleeve, a third spring, a fourth spring, a third telescopic rod and a third telescopic sleeve, wherein the vertical moving rail is arranged on a back support plate, the bottom end plate is arranged at the lower end of the vertical moving rail and is positioned at the upper end of the transverse support plate, and the vertical moving rail is provided with a trapezoidal vertical moving; the lower end of the vertical shifting vertical plate is provided with a vertical shifting transverse plate, one side of the vertical shifting vertical plate is provided with a vertical shifting guide block, the vertical shifting vertical plate is arranged on a vertical shifting track through the matching of the vertical shifting guide block and the vertical shifting guide groove, and the vertical shifting transverse plate is provided with a transverse shifting guide groove; the trigger block is installed on the trigger vertical rod, the trigger vertical rod is installed on the trigger transverse plate, the lower side of the trigger transverse plate is provided with a transverse guide block, the trigger transverse plate is installed on the vertical moving transverse plate through the matching of the transverse guide block and a transverse guide groove, the upper side of the trigger block is provided with a trigger inclined plane and a trigger plane, the clamping groove is installed on the side face of the trigger vertical rod, and the middle of the clamping groove is provided with a clamping groove; the second telescopic sleeve is arranged on the vertical moving vertical plate, the second telescopic rod is arranged in the second telescopic sleeve, and the rear side of the triggering vertical rod is connected with one end of the second telescopic rod; a third spring is embedded on the outer sides of the second telescopic rod and the second telescopic sleeve, one end of the third spring is connected with the vertical moving vertical plate, and the other end of the third spring is connected with the rear side of the triggering vertical rod; the first telescopic sleeve is arranged on the bottom end plate, the first telescopic rod is arranged in the first telescopic sleeve, and the lower side of the vertical moving transverse plate is connected with the top end of the first telescopic rod; the second spring is embedded on the first telescopic rod and the outer side of the first telescopic sleeve, one end of the second spring is connected with the bottom end plate, and the other end of the second spring is connected with the lower side of the vertical moving transverse plate; the third telescopic sleeve is arranged on the back support plate, the third telescopic rod is arranged in the third telescopic sleeve, and the rear side of the clamping block is connected with one end of the third telescopic rod; a third telescopic rod and the outer side of the third telescopic sleeve are embedded in a fourth spring, one end of the fourth spring is connected with the back support plate, and the other end of the fourth spring is connected with the rear side of the clamping block; the clamping groove opening is matched with the clamping block.
The bottom end of the lower ejector block is in contact fit with a trigger inclined plane and a trigger plane of the trigger block; the slide is installed on triggering the diaphragm, and slide and switch regulating block cooperation.
The second air inlet is connected with the high-pressure air cylinder through an air duct, the second air outlet is connected with the first air inlet through an air duct, and the second air outlet is a pressure sensing air outlet and is communicated with the atmosphere.
As a further improvement of the present technology, the first air inlet is a one-way air inlet.
As a further improvement of the present technology, the above-described high-pressure gas tank is mounted on the chassis.
As a further improvement of the present technology, the second spring, the third spring, and the fourth spring are all compression springs.
As a further improvement of the technology, the lower side of the clamping groove is provided with a clamping groove inclined surface, and the clamping block is provided with a clamping block circular arc.
Compared with the traditional damping technology, the damping mechanism is arranged between the chassis and the vehicle body, and the vehicle body can overcome the influence of the concave-convex ground on the vehicle body under the action of the damping mechanism; traditional damper can guarantee to have elasticity under certain impact force and alleviate ground impact. When the vehicle speed is high or the impact is great due to large ground bulge, the shock absorption mechanism exceeds the range of impact strength which can be relieved by the shock absorption mechanism, and the shock absorption mechanism has inelastic travel, so that the vehicle body and the chassis are impacted; in addition, when the running time of the vehicle is long, the damping mechanism can lose certain elasticity to cause the collision of the vehicle body and the chassis. According to the damping mechanism, a bottom plate of the damping mechanism is connected with a chassis, a first top plate is connected with a vehicle body, a damping mechanism is arranged between the first top plate and the bottom plate, a damping inner rod in the damping mechanism can slide in a damping rod sleeve with certain resistance, and impact is quickly stopped by damping due to the resistance; the periphery of the damping structure is provided with a pneumatic spring capable of adjusting air pressure, and the elastic coefficient of the pneumatic spring can be influenced by the high or low air pressure; the pneumatic spring introduces high-pressure air through the first air inlet and slowly releases the high-pressure air through the first air outlet, and the higher the air pressure in the pneumatic spring is, the faster the air is released from the first air outlet; the piston ring in the pneumatic spring slides in the annular cylinder, the piston ring can compress gas in the annular cylinder by sliding, the compressed gas generates repulsive force, the gas pressure influences the compressibility of the gas, and further influences the elastic coefficient of the pneumatic spring; in addition, the periphery of the pneumatic spring is provided with a traditional rigid spring, when impact is in the elastic bearing range of the rigid spring, the air pressure in the pneumatic spring is stable, after the impact exceeds the elastic bearing range of the rigid spring, the impact can be supported by the lower ejector block, the lower ejector block triggers the trigger mechanism to open the pneumatic switch, the pneumatic switch is opened, high-pressure air can be introduced into the pneumatic spring through the first air inlet, the elastic coefficient of the pneumatic spring is increased, and the next excessive impact is relieved. The specific implementation mode is as follows: firstly, under the self weight of the vehicle body, a damping mechanism and a pneumatic spring in the damping mechanism keep a certain relative position, the length of the damping mechanism is longest at the moment, the contact surface of the lower top block and the trigger block is a trigger plane, and the second spring is compressed to a certain degree; when the ground surface is raised to a small extent, the amplitude of the vertical swing of the lower top block is small, and the contact surface of the lower top block and the trigger block is a trigger plane when the vertical swing is small; the trigger block slides in the vertical moving guide groove through the vertical moving vertical plate to move up and down, and the downward movement of the lower top block drives the trigger block to move downward and compress the second spring; when the lower ejection block rises, the trigger block can rise along with the lower ejection block under the action of the second spring, and in the whole small-amplitude operation process, the trigger mechanism is not triggered, and the gas switch is always in a closed state; when strong impact is received, the rigid spring cannot bear the impact, the vehicle body can be in rigid impact with the chassis, when the vehicle body is in the shortest state, the triggering vertical rod is pressed to the clamping groove opening by the lower ejector block to be matched with the clamping block, the clamping block is clamped into the clamping groove opening through the sliding of the third telescopic rod and the third telescopic sleeve, and the clamping block arc and the clamping groove inclined plane of the clamping block are designed to enable the clamping block to conveniently enter the clamping groove opening; when the impact disappears temporarily after the impact, the lower ejector block starts to move upwards under the action of the rigid spring and the pneumatic spring, but at the moment, the trigger block cannot move upwards and downwards because the clamping groove is clamped by the clamping block; trigger the diaphragm, trigger the montant and trigger the piece and can be along sideslip guide slot lateral sliding, after the kicking block rises a small range down, the contact surface of kicking block and trigger the piece becomes from triggering the plane and triggering the inclined plane down, the in-process triggers the piece under the third spring action, trigger the diaphragm and remove to pneumatic switch mounted position direction, the removal in-process has triggered the switch regulating block through the slide, make the high-pressure gas in the high-pressure gas pitcher enter into pneumatic spring, increase pneumatic spring's elasticity, prevent the striking that the next big impact caused. After the lateral shifting of the trigger block can lead to the fixture block to be separated from the clamping groove gradually, after the fixture block is separated from the clamping groove, the trigger vertical rod and the trigger block can move upwards under the action of the second spring and are in contact with the lower ejector block, the lower ejector block is firstly in contact with the trigger inclined plane to enable the trigger transverse plate to restore the original position back to the direction of the gas switch until the lower side of the lower ejector block is in contact with the trigger plane, and finally the gas switch is turned off. If the road surface behind is comparatively flat, the high-pressure gas in the pneumatic spring can slowly release the pressure of original gas outlet discernment through first gas outlet after a period of time, resumes normal elasticity coefficient. The design effect of slide is for triggering diaphragm whole in-process and all the time in the luffing motion, and the design of slide has guaranteed that the luffing motion optional position homoenergetic triggers the switch regulating block. The design of first telescopic link and first flexible cover, second telescopic link and second flexible cover and third telescopic link and third flexible cover all is in order to increase the lateral stability when the spring is compressed. According to the invention, only after the lower jacking block rises by a small amplitude, gas can enter the pneumatic spring, and the design aim is that the length of the damping mechanism is increased after the lower jacking block rises by a small section, so that the resistance of the gas in the high-pressure gas tank entering the pneumatic spring is reduced; the first air inlet is a one-way inlet and is designed to ensure that the pressure exerted by the pneumatic spring cannot be exerted through the first air inlet but only through the first air outlet.
Drawings
Fig. 1 is a schematic view of the overall component distribution.
Fig. 2 is a cross-sectional view of an integral part.
Fig. 3 is a schematic view of the mutual installation position of the piston ring and the damping inner rod.
Figure 4 is a schematic view of the piston ring mounted with the ring cylinder.
Fig. 5 is a schematic diagram of a related supporting structure of a pneumatic switch and a triggering mechanism.
Fig. 6 is a schematic view of the lower top block installation.
Fig. 7 is a schematic view of a gas switch.
Fig. 8 is a schematic view of the trigger mechanism.
Fig. 9 is a schematic diagram of a trigger block structure.
FIG. 10 is a schematic view of a traverse guide groove structure.
Fig. 11 is a schematic diagram of a latch structure.
Number designation in the figures: 23. a trigger block 24, a clamping groove 25, a vertical moving vertical plate 26, a vertical moving track 27, a trigger vertical rod 28, a clamping block 29, a trigger inclined plane 30, a trigger plane 31, a vertical moving transverse plate 32, a transverse moving guide groove 33, a trigger transverse plate 34, a second spring 35, a first telescopic rod 36, a first telescopic sleeve 37, a clamping groove inclined plane 38, a vertical moving guide groove 39, a clamping block circular arc 40, a bottom end plate 41, a clamping groove opening 42, a transverse moving guide block 43, a second telescopic rod 44, a second telescopic sleeve 45, a third spring 46, a fourth spring 47, a third telescopic rod 48, a third telescopic sleeve 69, a vertical moving guide block 80, a back support plate 81, a trigger mechanism 82, a lower top block 83, a lower top block support 84, a first top plate 85, a top plate support 86, a first air inlet 87, a second top plate 88, a piston ring 89 and a damping spring, 90. the gas valve comprises a sliding plate, 91, a second gas outlet, 93, a second gas inlet, 94, a switch second support, 95, a switch first support, 96, an annular cylinder, 97, a trigger mechanism support column, 99, a support column support, 100, a damping inner rod, 101, a damping rod sleeve, 102, a bottom plate, 103, a gas channel, 104, a gas switch, 105, a switch adjusting block, 106, a first gas outlet, 107 and a transverse support plate.
Detailed Description
As shown in fig. 1 and 2, the damping device comprises a back support plate, a trigger mechanism, a lower ejector block support, a first ejector plate, a top plate support, a first air inlet, a second ejector plate, a piston ring, a damping spring, a sliding plate, a second air outlet, a second air inlet, a switch second support, a switch first support, an annular cylinder, a trigger mechanism support column, a support column support, an inner damping rod, a damping rod sleeve, a bottom plate, an air passage, an air switch and a switch adjusting block, wherein the first ejector plate is installed at the bottom of a vehicle body, as shown in fig. 3, the second ejector plate is installed at the lower side of the first ejector plate through the top plate support, the top end of the inner damping rod is installed at the lower side of the second ejector plate, as shown in fig. 2, the damping rod sleeve is; as shown in fig. 2 and 4, a piston ring is mounted on the lower side of the second top plate, and the piston ring is nested on the outer side of the damping inner rod; the annular cylinder is a circular cylinder body, an annular inner cavity is formed in the circular cylinder, the annular cylinder is installed on the bottom plate, the inner wall of the annular cylinder is in contact with the outer edge surface of the damping rod sleeve, and the piston ring is nested in the annular inner cavity of the annular cylinder; as shown in fig. 3, the second top plate is symmetrically provided with a first air inlet and a first air outlet, the piston ring is symmetrically provided with two through air passages, and the two air passages are respectively communicated with the first air inlet and the first air outlet; as shown in fig. 4, the damping spring is nested outside the piston ring and the annular cylinder, and one end of the damping spring is installed on the upper side of the bottom plate, and the other end of the damping spring is installed on the lower side of the second top plate; as shown in fig. 6, the lower top block is supported and installed at the lower side of the second top plate through the lower top block; as shown in fig. 5, the trigger mechanism support column is supported and mounted on the bottom plate through a support column, the switch second support is mounted on the upper side of the trigger mechanism support column through a switch first support, the back support plate is mounted at the top end of the trigger mechanism support column through a transverse support plate, and as shown in fig. 1, the trigger mechanism is mounted on the transverse support plate; the gas switch is arranged on the second switch support, as shown in fig. 7, a second gas inlet is arranged on the side surface of the gas switch, a second gas outlet is arranged at the upper end of the gas switch, and a switch adjusting block is arranged on one side of the gas switch.
As shown in fig. 8, the triggering mechanism includes a triggering block, a clamping groove, a vertical moving vertical plate, a vertical moving rail, a triggering vertical rod, a clamping block, a vertical moving horizontal plate, a lateral moving guide groove, a triggering horizontal plate, a second spring, a first telescopic rod, a first telescopic sleeve, a vertical moving guide groove, a clamping block arc, a bottom end plate, a clamping groove opening, a lateral moving guide block, a second telescopic rod, a second telescopic sleeve, a third spring, a fourth spring, a third telescopic rod and a third telescopic sleeve, wherein the vertical moving rail is installed on the back support plate, the bottom end plate is installed at the lower end of the vertical moving rail and is located at the upper end of the lateral support plate, and as shown in fig. 10, the vertical moving rail is provided with; the lower end of the vertical shifting vertical plate is provided with a vertical shifting transverse plate, as shown in figure 8, one side of the vertical shifting vertical plate is provided with a vertical shifting guide block, the vertical shifting vertical plate is arranged on a vertical shifting track through the matching of the vertical shifting guide block and the vertical shifting guide groove, and the vertical shifting transverse plate is provided with a horizontal shifting guide groove; as shown in fig. 9, the trigger block is mounted on the trigger vertical bar, the trigger vertical bar is mounted on the trigger transverse plate, the transverse guide block is arranged on the lower side of the trigger transverse plate, the trigger transverse plate is mounted on the vertical transverse plate through the matching of the transverse guide block and the transverse guide groove, the trigger inclined plane and the trigger plane are arranged on the upper side of the trigger block, the clamping groove is mounted on the side surface of the trigger vertical bar, and the clamping groove opening is formed in the middle of the; as shown in fig. 8 and 10, the second telescopic sleeve is installed on the vertical moving vertical plate, the second telescopic rod is installed in the second telescopic sleeve, and the rear side of the triggering vertical rod is connected with one end of the second telescopic rod; a third spring is embedded on the outer sides of the second telescopic rod and the second telescopic sleeve, one end of the third spring is connected with the vertical moving vertical plate, and the other end of the third spring is connected with the rear side of the triggering vertical rod; the first telescopic sleeve is arranged on the bottom end plate, the first telescopic rod is arranged in the first telescopic sleeve, and the lower side of the vertical moving transverse plate is connected with the top end of the first telescopic rod; the second spring is embedded on the first telescopic rod and the outer side of the first telescopic sleeve, one end of the second spring is connected with the bottom end plate, and the other end of the second spring is connected with the lower side of the vertical moving transverse plate; the third telescopic sleeve is arranged on the back support plate, as shown in fig. 11, the third telescopic rod is arranged in the third telescopic sleeve, and the rear side of the clamping block is connected with one end of the third telescopic rod; a third telescopic rod and the outer side of the third telescopic sleeve are embedded in a fourth spring, one end of the fourth spring is connected with the back support plate, and the other end of the fourth spring is connected with the rear side of the clamping block; the clamping groove opening is matched with the clamping block.
The bottom end of the lower ejector block is in contact fit with a trigger inclined plane and a trigger plane of the trigger block; the slide plate is mounted on the trigger cross plate and, as shown in fig. 8, the slide plate cooperates with the switch adjustment block.
The second air inlet is connected with the high-pressure air cylinder through an air duct, the second air outlet is connected with the first air inlet through an air duct, and the second air outlet is a pressure sensing air outlet and communicated with the atmosphere.
The first air inlet is a one-way air inlet.
The high-pressure gas tank is arranged on the chassis.
The second spring, the third spring and the fourth spring are all compression springs.
As shown in fig. 9 and 11, the lower side of the locking slot has a locking slot inclined plane, and the locking block has a locking block arc.
In summary, the damping mechanism is arranged between the chassis and the vehicle body, and the vehicle body can overcome the influence of the concave-convex ground on the vehicle body under the action of the damping mechanism; traditional damper can guarantee to have elasticity under certain impact force and alleviate ground impact. When the vehicle speed is high or the impact is great due to large ground bulge, the shock absorption mechanism exceeds the range of impact strength which can be relieved by the shock absorption mechanism, and the shock absorption mechanism has inelastic travel, so that the vehicle body and the chassis are impacted; in addition, when the running time of the vehicle is long, the damping mechanism can lose certain elasticity to cause the collision of the vehicle body and the chassis. According to the damping mechanism, a bottom plate of the damping mechanism is connected with a chassis, a first top plate is connected with a vehicle body, a damping mechanism is arranged between the first top plate and the bottom plate, a damping inner rod in the damping mechanism can slide in a damping rod sleeve with certain resistance, and impact is quickly stopped by damping due to the resistance; the periphery of the damping structure is provided with a pneumatic spring capable of adjusting air pressure, and the elastic coefficient of the pneumatic spring can be influenced by the high or low air pressure; the pneumatic spring introduces high-pressure air through the first air inlet and slowly releases the high-pressure air through the first air outlet, and the higher the air pressure in the pneumatic spring is, the faster the air is released from the first air outlet; the piston ring in the pneumatic spring slides in the annular cylinder, the piston ring can compress gas in the annular cylinder by sliding, the compressed gas generates repulsive force, the gas pressure influences the compressibility of the gas, and further influences the elastic coefficient of the pneumatic spring; in addition, the periphery of the pneumatic spring is provided with a traditional rigid spring, when impact is in the elastic bearing range of the rigid spring, the air pressure in the pneumatic spring is stable, after the impact exceeds the elastic bearing range of the rigid spring, the impact can be supported by the lower ejector block, the lower ejector block triggers the trigger mechanism to open the pneumatic switch, the pneumatic switch is opened, high-pressure air can be introduced into the pneumatic spring through the first air inlet, the elastic coefficient of the pneumatic spring is increased, and the next excessive impact is relieved. The specific implementation mode is as follows: firstly, under the self weight of the vehicle body, a damping mechanism and a pneumatic spring in the damping mechanism keep a certain relative position, the length of the damping mechanism is longest at the moment, the contact surface of the lower top block and the trigger block is a trigger plane, and the second spring is compressed to a certain degree; when the ground surface is raised to a small extent, the amplitude of the vertical swing of the lower top block is small, and the contact surface of the lower top block and the trigger block is a trigger plane when the vertical swing is small; the trigger block slides in the vertical moving guide groove through the vertical moving vertical plate to move up and down, and the downward movement of the lower top block drives the trigger block to move downward and compress the second spring; when the lower ejection block rises, the trigger block can rise along with the lower ejection block under the action of the second spring, and in the whole small-amplitude operation process, the trigger mechanism is not triggered, and the gas switch is always in a closed state; when strong impact is received, the rigid spring cannot bear the impact, the vehicle body can be in rigid impact with the chassis, when the vehicle body is in the shortest state, the triggering vertical rod is pressed to the clamping groove opening by the lower ejector block to be matched with the clamping block, the clamping block is clamped into the clamping groove opening through the sliding of the third telescopic rod and the third telescopic sleeve, and the clamping block arc and the clamping groove inclined plane of the clamping block are designed to enable the clamping block to conveniently enter the clamping groove opening; when the impact disappears temporarily after the impact, the lower ejector block starts to move upwards under the action of the rigid spring and the pneumatic spring, but at the moment, the trigger block cannot move upwards and downwards because the clamping groove is clamped by the clamping block; trigger the diaphragm, trigger the montant and trigger the piece and can be along sideslip guide slot lateral sliding, after the kicking block rises a small range down, the contact surface of kicking block and trigger the piece becomes from triggering the plane and triggering the inclined plane down, the in-process triggers the piece under the third spring action, trigger the diaphragm and remove to pneumatic switch mounted position direction, the removal in-process has triggered the switch regulating block through the slide, make the high-pressure gas in the high-pressure gas pitcher enter into pneumatic spring, increase pneumatic spring's elasticity, prevent the striking that the next big impact caused. After the lateral shifting of the trigger block can lead to the fixture block to be separated from the clamping groove gradually, after the fixture block is separated from the clamping groove, the trigger vertical rod and the trigger block can move upwards under the action of the second spring and are in contact with the lower ejector block, the lower ejector block is firstly in contact with the trigger inclined plane to enable the trigger transverse plate to restore the original position back to the direction of the gas switch until the lower side of the lower ejector block is in contact with the trigger plane, and finally the gas switch is turned off. If the road surface behind is comparatively flat, the high-pressure gas in the pneumatic spring can slowly release the pressure of original gas outlet discernment through first gas outlet after a period of time, resumes normal elasticity coefficient. The design effect of slide is for triggering diaphragm whole in-process and all the time in the luffing motion, and the design of slide has guaranteed that the luffing motion optional position homoenergetic triggers the switch regulating block. The design of first telescopic link and first flexible cover, second telescopic link and second flexible cover and third telescopic link and third flexible cover all is in order to increase the lateral stability when the spring is compressed. According to the invention, only after the lower jacking block rises by a small amplitude, gas can enter the pneumatic spring, and the design aim is that the length of the damping mechanism is increased after the lower jacking block rises by a small section, so that the resistance of the gas in the high-pressure gas tank entering the pneumatic spring is reduced; the first air inlet is a one-way inlet and is designed to ensure that the pressure exerted by the pneumatic spring cannot be exerted through the first air inlet but only through the first air outlet.
Claims (9)
1. The utility model provides an automobile shock absorber mechanism which characterized in that: the damping mechanism comprises a back support plate, a trigger mechanism, a lower ejector block, a first top plate, a first air inlet, a first air outlet, a second top plate, a piston ring, a damping spring, a sliding plate, a second air outlet, a second air inlet, a switch second support, an annular cylinder, a trigger mechanism support column, a damping inner rod, a damping rod sleeve, a bottom plate, an air passage, an air switch and a switch adjusting block, wherein the first top plate is installed at the bottom of a vehicle body; a piston ring is arranged on the lower side of the second top plate and is nested on the outer side of the damping inner rod; the annular cylinder is a circular cylinder body, an annular inner cavity is formed in the wall of the annular cylinder, the annular cylinder is installed on the bottom plate, the inner wall of the annular cylinder is in contact with the outer edge surface of the damping rod sleeve, and the piston ring is nested in the annular inner cavity of the annular cylinder; the second top plate is symmetrically provided with a first air inlet and a first air outlet, the piston ring is symmetrically provided with two through air passages which are respectively communicated with the first air inlet and the first air outlet; the damping spring is nested outside the piston ring and the annular cylinder, one end of the damping spring is arranged on the upper side of the bottom plate, and the other end of the damping spring is arranged on the lower side of the second top plate; the lower top block is arranged on the lower side of the second top plate; the trigger mechanism supporting column is installed on the bottom plate, the switch second support is installed on the upper side of the trigger mechanism supporting column, the back supporting plate is installed at the top end of the trigger mechanism supporting column through the transverse supporting plate, and the trigger mechanism is installed on the transverse supporting plate; the gas switch is arranged on the second switch support, a second gas inlet is arranged on the side surface of the gas switch, a second gas outlet is arranged at the upper end of the gas switch, and a switch adjusting block is arranged on one side of the gas switch;
the second air inlet is connected with the high-pressure air cylinder, the second air outlet is connected with the first air inlet, and the first air outlet is communicated with the atmosphere;
the trigger mechanism comprises a trigger block, a clamping groove, a vertical moving vertical plate, a vertical moving rail, a vertical triggering rod, a clamping block, a vertical moving transverse plate, a transverse moving guide groove, a trigger transverse plate, a second spring, a first telescopic rod, a first telescopic sleeve, a vertical moving guide groove, a clamping block arc, a bottom end plate, a clamping groove opening, a transverse moving guide block, a second telescopic rod, a second telescopic sleeve, a third spring, a fourth spring, a third telescopic rod and a third telescopic sleeve, wherein the vertical moving rail is arranged on the back support plate, the bottom end plate is arranged at the lower end of the vertical moving rail and is positioned at the upper end of the transverse support plate, and the vertical moving rail is provided with a trapezoidal vertical moving; the lower end of the vertical shifting vertical plate is provided with a vertical shifting transverse plate, one side of the vertical shifting vertical plate is provided with a vertical shifting guide block, the vertical shifting vertical plate is arranged on a vertical shifting track through the matching of the vertical shifting guide block and the vertical shifting guide groove, and the vertical shifting transverse plate is provided with a transverse shifting guide groove; the trigger block is installed on the trigger vertical rod, the trigger vertical rod is installed on the trigger transverse plate, the lower side of the trigger transverse plate is provided with a transverse guide block, the trigger transverse plate is installed on the vertical moving transverse plate through the matching of the transverse guide block and a transverse guide groove, the upper side of the trigger block is provided with a trigger inclined plane and a trigger plane, the clamping groove is installed on the side face of the trigger vertical rod, and the middle of the clamping groove is provided with a clamping groove; the second telescopic sleeve is arranged on the vertical moving vertical plate, the second telescopic rod is arranged in the second telescopic sleeve, and the rear side of the triggering vertical rod is connected with one end of the second telescopic rod; a third spring is embedded on the outer sides of the second telescopic rod and the second telescopic sleeve, one end of the third spring is connected with the vertical moving vertical plate, and the other end of the third spring is connected with the rear side of the triggering vertical rod; the first telescopic sleeve is arranged on the bottom end plate, the first telescopic rod is arranged in the first telescopic sleeve, and the lower side of the vertical moving transverse plate is connected with the top end of the first telescopic rod; the second spring is embedded on the first telescopic rod and the outer side of the first telescopic sleeve, one end of the second spring is connected with the bottom end plate, and the other end of the second spring is connected with the lower side of the vertical moving transverse plate; the third telescopic sleeve is arranged on the back support plate, the third telescopic rod is arranged in the third telescopic sleeve, and the rear side of the clamping block is connected with one end of the third telescopic rod; a third telescopic rod and the outer side of the third telescopic sleeve are embedded in a fourth spring, one end of the fourth spring is connected with the back support plate, and the other end of the fourth spring is connected with the rear side of the clamping block; the clamping groove opening is matched with the clamping block.
2. The automobile shock absorbing mechanism according to claim 1, wherein: the bottom end of the lower top block is in contact fit with a trigger inclined plane and a trigger plane of the trigger block; the slide is installed on triggering the diaphragm, and slide and switch regulating block cooperation.
3. The automobile shock absorbing mechanism according to claim 1, wherein: the second spring, the third spring and the fourth spring are all compression springs.
4. The automobile shock absorbing mechanism according to claim 1, wherein: the clamping groove inclined plane is arranged at the lower side of the clamping groove, and the clamping block is provided with a clamping block arc.
5. The automobile shock absorbing mechanism according to claim 1, wherein: the second air inlet is connected with the high-pressure air cylinder through an air duct, the second air outlet is connected with the first air inlet through an air duct, and the first air outlet is a pressure sensing air outlet and communicated with the atmosphere.
6. The automobile shock absorbing mechanism according to claim 5, wherein: the high-pressure cylinder is arranged on the chassis.
7. The automobile shock absorbing mechanism according to claim 1, wherein: the first air inlet is a one-way air inlet.
8. The automobile shock absorbing mechanism according to claim 1, wherein: the second top plate is supported and installed on the lower side of the first top plate through a top plate.
9. The automobile shock absorbing mechanism according to claim 1, wherein: the lower ejector block is supported and installed on the lower side of the second top plate through the lower ejector block; the trigger mechanism support column passes through the support column support to be installed on the bottom plate, and the switch second is supported and is installed at trigger mechanism support column upside through the first support of switch, and the backup pad passes through the cross support board to be installed on trigger mechanism support column top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707583.XA CN108799396B (en) | 2017-02-09 | 2017-02-09 | Automobile shock absorption mechanism |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707583.XA CN108799396B (en) | 2017-02-09 | 2017-02-09 | Automobile shock absorption mechanism |
| CN201710070085.4A CN106704469B (en) | 2017-02-09 | 2017-02-09 | A kind of shock proof vehicle damping mechanism |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710070085.4A Division CN106704469B (en) | 2017-02-09 | 2017-02-09 | A kind of shock proof vehicle damping mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108799396A CN108799396A (en) | 2018-11-13 |
| CN108799396B true CN108799396B (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810707583.XA Active CN108799396B (en) | 2017-02-09 | 2017-02-09 | Automobile shock absorption mechanism |
| CN201710070085.4A Expired - Fee Related CN106704469B (en) | 2017-02-09 | 2017-02-09 | A kind of shock proof vehicle damping mechanism |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710070085.4A Expired - Fee Related CN106704469B (en) | 2017-02-09 | 2017-02-09 | A kind of shock proof vehicle damping mechanism |
Country Status (2)
| Country | Link |
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| CN (2) | CN108799396B (en) |
| WO (1) | WO2018145421A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140360648A1 (en) | 2013-06-07 | 2014-12-11 | E. I. Dupont De Nemours And Company | Hybrid cord for a pneumatic tire |
| CN108799396B (en) * | 2017-02-09 | 2020-06-02 | 林锦国 | Automobile shock absorption mechanism |
| CN109494046A (en) * | 2018-11-15 | 2019-03-19 | 王笑梅 | A kind of oil immersed type buffering transformer and way to play for time |
| CN109866720A (en) * | 2019-03-22 | 2019-06-11 | 安徽彤上智能科技有限公司 | A kind of collision prevention girders reducing rigid shock transitional impact power |
| CN111981070B (en) * | 2020-09-01 | 2022-06-24 | 重庆恒伟林汽车零部件有限公司 | Bidirectional automobile damping system |
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- 2017-02-09 CN CN201710070085.4A patent/CN106704469B/en not_active Expired - Fee Related
- 2017-07-28 WO PCT/CN2017/095012 patent/WO2018145421A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018145421A1 (en) | 2018-08-16 |
| CN108799396A (en) | 2018-11-13 |
| CN106704469B (en) | 2018-08-28 |
| CN106704469A (en) | 2017-05-24 |
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Effective date of registration: 20200928 Address after: No.88 Pingwu Road, WuJie Town, Tongzhou District, Nantong City, Jiangsu Province, 226000 Patentee after: Nantong Meilai Industrial Intelligent Technology Co., Ltd Address before: No. 17, shuangchuang lane, Yandang Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: Lin Jinguo |
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