CN102416838A - Device for preventing hydro-pneumatic spring from swinging - Google Patents
Device for preventing hydro-pneumatic spring from swinging Download PDFInfo
- Publication number
- CN102416838A CN102416838A CN2011102418634A CN201110241863A CN102416838A CN 102416838 A CN102416838 A CN 102416838A CN 2011102418634 A CN2011102418634 A CN 2011102418634A CN 201110241863 A CN201110241863 A CN 201110241863A CN 102416838 A CN102416838 A CN 102416838A
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- hydro
- pneumatic spring
- push rod
- installation ring
- cross arm
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Abstract
The invention relates to a fixing device, in particular to a device for preventing a hydro-pneumatic spring from swinging, comprising the hydro-pneumatic spring, a cross arm and a mounting seat arranged on the cross arm, wherein the cross arm is arranged between a vehicle body and a hub assembly; the hydro-pneumatic spring is arranged between the cross arm and the vehicle body; the cross arm consists of an upper cross arm and a lower cross arm, and the lower cross arm is provided with the mounting seat; two ends of the hydro-pneumatic spring are provided with mounting rings, the mounting ring at one end of the hydro-pneumatic spring is hinged to the mounting seat of the lower cross arm, and the mounting ring at the other end of the hydro-pneumatic spring is hinged to the vehicle body; two sides of the mounting seat of the lower cross arm are provided with anti-swing ejector rods, the peaks of the anti-swing ejector rods at the two sides of the mounting seat support against the end surfaces of the mounting rings, and the distance between the two peaks of the anti-swing ejector rods at the two sides of the mounting seat is equal to the height of the mounting rings. In the invention, the two sides of the mounting rings of the hydro-pneumatic spring are provided with the anti-swing ejector rods, therefore, the swing of central lines of the mounting rings at two ends of the hydro-pneumatic spring due to mounting positions and suspension motion can be reduced, and noise caused by the swing can be reduced or eliminated.
Description
Technical field:
The present invention relates to a kind of anchor fitting, more specifically to a kind of hydro-pneumatic spring pendulous device that prevents.
Background technology:
After present automobile-used hydro-pneumatic spring installs; Because upper and lower installation ring (mounting hole) line of centers is not parallel, make to be suspended in the motion process, when hydro-pneumatic spring oil cylinder and piston move back and forth; Also take place back and forth to rotate; Hydro-pneumatic spring oil cylinder and piston are radially gone up produced reciprocally swinging, the oscillating bearing in the hydro-pneumatic spring mounting hole is damaged in advance, and produce noise.
So the above-mentioned deficiency to prior art exists proposes the present invention.
Summary of the invention:
The purpose of this invention is to provide a kind of hydro-pneumatic spring pendulous device that prevents; Because the antihunting push rod is equipped with in hydro-pneumatic spring installation ring both sides; Can reduce the swing that hydro-pneumatic spring two ends installation ring line of centers causes because of installation site and suspension movement, and reduce or eliminate the noise that this swing produces.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of hydro-pneumatic spring pendulous device that prevents provided by the invention; Comprise the mount pad on hydro-pneumatic spring, transverse arm and the transverse arm; Transverse arm is arranged between car body and the Hub assembly; Hydro-pneumatic spring is arranged between transverse arm and the car body, and said transverse arm comprises Top Crossbeam and lower cross arm, and said lower cross arm is provided with mount pad; There is installation ring at said hydro-pneumatic spring two ends, and the installation ring of said hydro-pneumatic spring one end is hinged on the mount pad of lower cross arm, and the installation ring of the said hydro-pneumatic spring other end is hinged on the car body; The mount pad both sides of said lower cross arm are provided with anti-pendulum push rod; The axis of said anti-pendulum push rod is parallel with the line of centers of said installation ring; The both sides anti-pendulum push rod that said installation ring is axial; The dead in line of said both sides anti-pendulum push rod, anti-pendulum push rod summit, said both sides withstands on the end face of installation ring, and the distance between the anti-pendulum push rod summit, said both sides equals the height of said installation ring.
A kind of preventing in the hydro-pneumatic spring pendulous device technical scheme provided by the invention; The mount pad both sides of said lower cross arm also are provided with anti-pendulum push rod mount pad; Said anti-pendulum push rod one end is tapered; The other end has mounting hole, and the mounting hole of said anti-pendulum push rod one end is fixed on the anti-pendulum push rod mount pad through anti-pendulum push rod tightening screw and pad III.
Another preferred a kind of preventing in the hydro-pneumatic spring pendulous device technical scheme provided by the invention; The installation ring of said hydro-pneumatic spring one end is through on the mount pad of bearing pin being installed down being hinged on lower cross arm, and the said bearing pin of installing down is fixed on the lower cross arm mount pad through tightening screw and pad II.
Preferred a kind of preventing in the hydro-pneumatic spring pendulous device technical scheme more provided by the invention; Said car body be provided with attach the seat with under attach seat; The installation ring of said hydro-pneumatic spring one end is hinged on through last installation bearing pin to be attached on the seat, and said transverse arm one end is hinged on down to be attached on the seat.
Another preferred a kind of preventing in the hydro-pneumatic spring pendulous device technical scheme provided by the invention, said upward installation bearing pin is fixed on through clamp nut and pad I to be attached on the seat.
Another preferred a kind of preventing in the hydro-pneumatic spring pendulous device technical scheme provided by the invention; Attach a both sides on said and be provided with anti-pendulum push rod; The axis of said anti-pendulum push rod is parallel with the line of centers of said installation ring; The dead in line of the both sides anti-pendulum push rod that said installation ring is axial, anti-pendulum push rod summit, said both sides withstands on the end face of installation ring, and the distance between the anti-pendulum push rod summit, said both sides equals the height of said installation ring.
Another preferred a kind of preventing in the hydro-pneumatic spring pendulous device technical scheme provided by the invention; Said hydro-pneumatic spring comprises the installation ring at cylinder body, piston rod and two ends; Be provided with the joint ball bearing in the said installation ring, said joint ball bearing comprises the joint ball bearing inner-core of the joint ball bearing shell and the portion that sets within it.
Another preferred a kind of preventing in the hydro-pneumatic spring pendulous device technical scheme provided by the invention; At said piston rod one end; The outer wall of said joint ball bearing shell cooperates with oscillating bearing mounting hole inwall on the piston rod and is provided with sealing baffle, said joint ball bearing inner-core inwall with bearing pin is installed is down cooperated and be provided with seal ring.
Another preferred a kind of preventing in the hydro-pneumatic spring pendulous device technical scheme provided by the invention; At said cylinder body one end; The outer wall of said joint ball bearing shell cooperates with oscillating bearing mounting hole inwall on the cylinder body and is provided with sealing baffle, and said joint ball bearing inner-core inwall cooperates with last installation bearing pin and is provided with seal ring.
Another preferred a kind of preventing in the hydro-pneumatic spring pendulous device technical scheme provided by the invention, said Top Crossbeam, lower cross arm, hydro-pneumatic spring, Hub assembly and car body constitute four-bar mechanism.
Because the beneficial effect that has adopted technique scheme, the present invention to obtain is:
The present invention is because the antihunting push rod is equipped with in the installation ring both sides of hydro-pneumatic spring, can reduce the swing that hydro-pneumatic spring two ends installation ring line of centers causes because of installation site and suspension movement, and reduces or eliminate the noise that this swing produces.
Description of drawings
Fig. 1 is a kind of hydro-pneumatic spring pendulous device structural representation that prevents;
Fig. 2 is hydro-pneumatic spring structural representation among the present invention;
Fig. 3 is hydro-pneumatic spring right elevation among the present invention;
Fig. 4 installs the back schematic rear view for hydro-pneumatic spring among the present invention;
Fig. 5 is the two transverse arm suspension backsight theory of machines and the composition scheme drawing of oily spring of the present invention;
Fig. 6 installs the rear side viewing partial schematic diagram for hydro-pneumatic spring among the present invention;
Fig. 7 is a hydro-pneumatic spring installation ring B-B cutaway view of the present invention;
Fig. 8 installs the back schematic top plan view for hydro-pneumatic spring among the present invention;
Fig. 9 is lower cross arm structural representation among the present invention;
Figure 10 is lower cross arm A-A cutaway view among the present invention;
Figure 11 is anti-pendulum push rod structure scheme drawing among the present invention;
Wherein, attach seat under the 1-, 2-is last to attach seat, the 3-hydro-pneumatic spring, and the last installation of 4-bearing pin, 5-are installed bearing pin down; The 6-cylinder body, 7-piston rod, 8-installation ring, 9-wheel, 10-clamp nut, 11-pad I; The 12-tightening screw, 13-pad II, 14-Hub assembly, the anti-pendulum of 15-push rod tightening screw, 16-pad III, 17-lower cross arm; The anti-pendulum of 18-push rod, 19-Top Crossbeam, 20-oscillating bearing inner core, 21-oscillating bearing shell, 22-sealing baffle, 23-seal ring; The 24-car body, the mount pad of Q1-hydro-pneumatic spring on lower cross arm, the anti-pendulum of Q2-push rod mount pad, the installation ring inner core line of centers of A1-hydro-pneumatic spring upper end, the installation ring 8 inner core line of centerss of A2-hydro-pneumatic spring lower end.
The specific embodiment
Below in conjunction with embodiment invention is done further to specify.
Embodiment 1:
Shown in Fig. 1-11, a kind of hydro-pneumatic spring pendulous device that prevents of this example invention comprises the mount pad Q1 on hydro-pneumatic spring 3, transverse arm and the transverse arm; Transverse arm is arranged between car body 24 and the Hub assembly 14; Hydro-pneumatic spring 3 is arranged between transverse arm and the car body 24, between with supporting body 24 weight and play damping of vibrations, Top Crossbeam, lower cross arm, hydro-pneumatic spring 3, Hub assembly 14 and car body 24 constitute four-bar mechanisms; Directional tagging is provided for wheel 9, and car body 24 is provided support effect; Transverse arm comprises Top Crossbeam 19 and lower cross arm 17, and lower cross arm 17 is provided with mount pad Q1; There is installation ring 8 at hydro-pneumatic spring 3 two ends; The installation ring 8 of hydro-pneumatic spring 3 one ends through under bearing pin 5 be installed be hinged on the lower cross arm 17; Be actually and be hinged on the mount pad Q1; Bearing pin 5 is installed down is fixed on the mount pad Q1 of lower cross arm 17 with pad II 13 through tightening screw 12, the installation ring 8 of hydro-pneumatic spring 3 other ends is hinged on the car body 24; The mount pad Q1 both sides of lower cross arm 17 also are provided with anti-pendulum push rod mount pad Q2; The mount pad Q1 both sides of lower cross arm 17 are provided with anti-pendulum push rod 18, and anti-pendulum push rod 18 1 ends are tapered, and the other end has mounting hole; The mounting hole of anti-pendulum push rod 18 1 ends is fixed on the anti-pendulum push rod mount pad Q2 with pad III 16 through anti-pendulum push rod tightening screw 15; The axis of anti-pendulum push rod 18 is parallel with the line of centers of installation ring 8, and pendulum push rod 18 is prevented in installation ring 8 axial both sides, the dead in line of both sides anti-pendulum push rod 18; Anti-pendulum push rod 18 summits, both sides withstand on the end face of installation ring 8, and the distance between anti-pendulum push rod 18 summits, both sides equals the height of installation ring 8.
Hydro-pneumatic spring 3 of the present invention comprises the installation ring 8 at cylinder body 6, piston rod 7 and two ends; Be provided with the joint ball bearing in the installation ring 8; The joint ball bearing comprises the joint ball bearing inner-core 20 of the joint ball bearing shell 21 and the portion that sets within it; At hydro-pneumatic spring 3 piston rods 7 these ends; The outer wall of joint ball bearing shell 21 cooperates with oscillating bearing mounting hole inwall on the piston rod 7 and is provided with sealing baffle 22, joint ball bearing inner-core 20 inwalls with bearing pin 5 is installed is down cooperated and is provided with seal ring 23, seal up the interior lubricating grease of joint ball bearing;
At hydro-pneumatic spring 3 cylinder bodies 6 one ends; The outer wall of joint ball bearing shell 21 cooperates with oscillating bearing mounting hole inwall on the cylinder body 6 and is provided with sealing baffle 22; Joint ball bearing inner-core 20 inwalls cooperate with last installation bearing pin 4 and are provided with seal ring 23, seal up the lubricating grease in the joint ball bearing.
As shown in Figure 8 among the present invention; Hydro-pneumatic spring 3 through on attach the seat 2 and upper and lower installation ring 8 be installed between car body 24 and the lower cross arm 17; Upper and lower installation ring 8 inner core line of centers A1, A2 can complete matchings; Be that upper and lower installation ring 8 inner core line of centers A1, A2 are parallel, but after in a single day it be installed on the car, its upper and lower installation ring 8 inner core line of centers A1, A2 may deflect;
The reason that this deflection produces has multiple; The first when the suspension movement four-bar linkage design, on to attach the mount pad Q1 line of centers A2 that is used to install 3 times installation rings 8 of hydro-pneumatic spring on mounting hole line of centers A1 and the lower cross arm 17 that seat is used to install installation ring 8 on the hydro-pneumatic spring 3 on 2 not parallel; It is two parallel when being original design, produces deviation man-hour but add, and makes it in fact not parallel; It three is that design is with to add man-hour all parallel; But be suspended in the motion process; Because the distortion of four-bar mechanism, make that to attach the mount pad Q1 line of centers that is used to install 3 times installation rings 8 of hydro-pneumatic spring on the mounting hole line of centers that is used to install installation ring 8 on the hydro-pneumatic spring 3 on the seat 2 and the lower cross arm 17 not parallel.
Go up the back because hydro-pneumatic spring 3 upper and lower installation ring 8 inner core line of centers A1, A2 that a variety of causes causes are not parallel for adaptation hydro-pneumatic spring 3 is installed to suspension, generally in hydro-pneumatic spring 3 upper and lower installation rings 8, all adopt the joint ball bearing.Joint ball bearing shell 21 cooperates with oscillating bearing mounting hole inwall on the hydro-pneumatic spring piston rod 7, joint ball bearing inner-core 20 with bearing pin 5 is installed is down cooperated, certain, for last installation ring 8, it cooperates with last installation bearing pin 4;
But after adopting above-mentioned measure; In the suspension movement process; The oil cylinder 6 of hydro-pneumatic spring 3 and piston rod 7 are when moving to axial; Also produce relatively back and forth diametrically and rotate, this oscillating bearing that makes easily in the hydro-pneumatic spring mounting hole that relatively rotates damages in advance, and produces noise.
Embodiment 2:
Shown in Fig. 1-11, a kind of hydro-pneumatic spring pendulous device that prevents of this example invention, its structure with want basically with embodiment 1 with, difference is:
In this example; On attach seat 2 and be provided with anti-pendulum push rod mount pad Q2; The anti-push rod mount pad Q2 that puts is provided with anti-pendulum push rod 18, and the axis of anti-pendulum push rod 18 is parallel with the line of centers of hydro-pneumatic spring 3 upper end installation rings 8, and the dead in line of pendulum push rod 18 is prevented in installation ring 8 axial both sides; Anti-pendulum push rod 18 summits, both sides withstand on the end face of installation ring 8, and the distance between anti-pendulum push rod 18 summits, both sides equals the height of installation ring 8.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although the present invention is specified with reference to the foregoing description; Under the those of ordinary skill in field be to be understood that: still can specific embodiments of the invention make amendment or be equal to replacement; And do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of this claim scope.
Claims (10)
1. one kind prevents the hydro-pneumatic spring pendulous device; Comprise the mount pad on hydro-pneumatic spring (3), transverse arm and the transverse arm; Transverse arm is arranged between car body (24) and the Hub assembly (14); Hydro-pneumatic spring (3) is arranged between transverse arm and the car body (24), it is characterized in that: said transverse arm comprises Top Crossbeam (19) and lower cross arm (17), and said lower cross arm (17) is provided with mount pad; There is installation ring (8) at said hydro-pneumatic spring (3) two ends, and the installation ring (8) of said hydro-pneumatic spring (3) one ends is hinged on the mount pad of lower cross arm (17), and the installation ring (8) of said hydro-pneumatic spring (3) other end is hinged on the car body (24); The mount pad both sides of said lower cross arm (17) are provided with anti-pendulum push rod (18); The axis of said anti-pendulum push rod (18) is parallel with the line of centers of said installation ring (8); The both sides anti-pendulum push rod (18) that said installation ring (8) is axial; The dead in line of said both sides anti-pendulum push rods (18), anti-pendulum push rod (18) summit, said both sides withstands on the end face of installation ring (8), and the distance between anti-pendulum push rod (18) summit, said both sides equals the height of said installation ring (8).
2. a kind of hydro-pneumatic spring pendulous device that prevents as claimed in claim 1; It is characterized in that: the mount pad both sides of said lower cross arm (17) also are provided with anti-pendulum push rod mount pad; Said anti-pendulum push rod (18) one ends are tapered; The other end has mounting hole, and the mounting hole of said anti-pendulum push rod (18) one ends is fixed on the anti-pendulum push rod mount pad through anti-pendulum push rod tightening screw (15) and pad III (16).
3. a kind of hydro-pneumatic spring pendulous device that prevents as claimed in claim 1; It is characterized in that: the installation ring (8) of said hydro-pneumatic spring (3) one ends is hinged on the mount pad of lower cross arm (17) through bearing pin (5) is installed down, and said installation bearing pin (5) down is fixed on the mount pad of lower cross arm (17) through tightening screw (12) and pad II (13).
4. a kind of hydro-pneumatic spring pendulous device that prevents as claimed in claim 1; It is characterized in that: said car body (24) be provided with attach seat (2) with under attach (1); The installation ring (8) of said hydro-pneumatic spring (3) one ends is hinged on through last installation bearing pin (4) to be attached on the seat (2), and said transverse arm one end is hinged on down to be attached on the seat (1).
5. a kind of hydro-pneumatic spring pendulous device that prevents as claimed in claim 4 is characterized in that: said upward installation bearing pin (4) is fixed on through clamp nut (10) and pad I (11) to be attached on the seat (2).
6. a kind of hydro-pneumatic spring pendulous device that prevents as claimed in claim 4; It is characterized in that: attach seat (2) both sides on said and be provided with anti-pendulum push rod (18); The axis of said anti-pendulum push rod (18) is parallel with the line of centers of said installation ring (8); The dead in line of the both sides anti-pendulum push rods (18) that said installation ring (8) is axial, anti-pendulum push rod (18) summit, said both sides withstands on the end face of installation ring (8), and the distance between anti-pendulum push rod (18) summit, said both sides equals the height of said installation ring (8).
7. a kind of hydro-pneumatic spring pendulous device that prevents as claimed in claim 1; It is characterized in that: said hydro-pneumatic spring (3) comprises the installation ring (8) at cylinder body (6), piston rod (7) and two ends; Said installation ring is provided with the joint ball bearing in (8), and said joint ball bearing comprises the joint ball bearing inner-core (20) of the joint ball bearing shell (21) and the portion that sets within it.
8. a kind of hydro-pneumatic spring pendulous device that prevents as claimed in claim 7; It is characterized in that: at said piston rod (7) one ends; The outer wall of said joint ball bearing shell (21) cooperates with oscillating bearing mounting hole inwall on the piston rod (7) and is provided with sealing baffle (22), said joint ball bearing inner-core (20) inwall with bearing pin (5) is installed is down cooperated and be provided with seal ring (23).
9. a kind of hydro-pneumatic spring pendulous device that prevents as claimed in claim 7; It is characterized in that: at said cylinder body (6) one ends; The outer wall of said joint ball bearing shell (21) cooperates with oscillating bearing mounting hole inwall on the cylinder body (6) and is provided with sealing baffle (22), and said joint ball bearing inner-core (20) inwall cooperates with last installation bearing pin (4) and is provided with seal ring (23).
10. like the arbitrary described a kind of hydro-pneumatic spring pendulous device that prevents of claim 1, it is characterized in that: said Top Crossbeam, lower cross arm, hydro-pneumatic spring (3), Hub assembly (14) and car body (24) constitute four-bar mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110241863.4A CN102416838B (en) | 2011-08-23 | 2011-08-23 | Device for preventing hydro-pneumatic spring from swinging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110241863.4A CN102416838B (en) | 2011-08-23 | 2011-08-23 | Device for preventing hydro-pneumatic spring from swinging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102416838A true CN102416838A (en) | 2012-04-18 |
| CN102416838B CN102416838B (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110241863.4A Expired - Fee Related CN102416838B (en) | 2011-08-23 | 2011-08-23 | Device for preventing hydro-pneumatic spring from swinging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102416838B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801702A (en) * | 2017-03-24 | 2017-06-06 | 中国北方车辆研究所 | Suspension sealing hinge means |
| CN111660220A (en) * | 2019-03-06 | 2020-09-15 | 北京长征天民高科技有限公司 | Hydro-pneumatic spring hanging mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07276949A (en) * | 1994-04-08 | 1995-10-24 | Daihatsu Motor Co Ltd | Shock absorber fitting structure |
| JPH08219210A (en) * | 1995-02-13 | 1996-08-27 | Tokai Rubber Ind Ltd | Vibration isolating support body |
| JPH08282238A (en) * | 1995-04-19 | 1996-10-29 | Jidosha Kiki Co Ltd | Car height adjusting device |
| JPH092032A (en) * | 1995-06-15 | 1997-01-07 | Nissan Motor Co Ltd | Front suspension device |
| CN201415596Y (en) * | 2009-06-07 | 2010-03-03 | 陈建生 | Vehicle front wheel independent suspension device |
-
2011
- 2011-08-23 CN CN201110241863.4A patent/CN102416838B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07276949A (en) * | 1994-04-08 | 1995-10-24 | Daihatsu Motor Co Ltd | Shock absorber fitting structure |
| JPH08219210A (en) * | 1995-02-13 | 1996-08-27 | Tokai Rubber Ind Ltd | Vibration isolating support body |
| JPH08282238A (en) * | 1995-04-19 | 1996-10-29 | Jidosha Kiki Co Ltd | Car height adjusting device |
| JPH092032A (en) * | 1995-06-15 | 1997-01-07 | Nissan Motor Co Ltd | Front suspension device |
| CN201415596Y (en) * | 2009-06-07 | 2010-03-03 | 陈建生 | Vehicle front wheel independent suspension device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801702A (en) * | 2017-03-24 | 2017-06-06 | 中国北方车辆研究所 | Suspension sealing hinge means |
| CN111660220A (en) * | 2019-03-06 | 2020-09-15 | 北京长征天民高科技有限公司 | Hydro-pneumatic spring hanging mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102416838B (en) | 2014-08-20 |
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Granted publication date: 20140820 Termination date: 20200823 |
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