CN105179582A - Hydraulic suspension device and automobile - Google Patents
Hydraulic suspension device and automobile Download PDFInfo
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- CN105179582A CN105179582A CN201510623261.3A CN201510623261A CN105179582A CN 105179582 A CN105179582 A CN 105179582A CN 201510623261 A CN201510623261 A CN 201510623261A CN 105179582 A CN105179582 A CN 105179582A
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- piston
- hydraulic
- shell
- hydraulic lift
- lift hitch
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Abstract
The invention provides a hydraulic suspension device which comprises an inner cylinder, a piston piece and a shell. The outer side of the inner cylinder is sleeved with the shell. The two ends of the inner cylinder extend out of the shell. One end of the inner cylinder is provided with an abutting portion. The abutting portion is located outside the shell and used for bearing the shell. An oil groove and a containing cavity are formed between the shell and the inner cylinder. The oil groove is located below the containing cavity and communicated with the containing cavity. An oil hole is formed in the shell and communicated with the oil groove and the outer side of the shell. The piston piece is arranged on the outer side of the inner cylinder in a sleeving manner and contained in the containing cavity. A part of the piston piece extends out of the containing cavity and is connected with an automobile damping spring base. The hydraulic suspension device is simple in structure and convenient to mount, the production cost can be lowered, the occupied space is small, and the size of an automobile is reduced beneficially.
Description
Technical field
The present invention relates to automobile hanging field, specifically, relate to a kind of hydraulic lift hitch and adopt the automobile of this device.
Background technique
The travelling comfort taken more and more focused on by modern automobile, so that the travelling comfort of car is often classified as an important criterion of purchase by Consumer.In fact, the travelling comfort that automobile is taken is except the factor such as softness, support force of seat, the suspension system of what relation was maximum is exactly automobile, it or the power transmission parts be connected between vehicle frame with axletree, the Security such as travelled other performances, passing ability, stability and adhesion property have significant impact.Common independent suspension system has multi link formula suspension system, mcpherson type suspension system, trailing arm type suspension system and two fork arm type equal suspension system etc.
The hydraulic lift hitch that can be used for automobile is in the market relatively costly and have larger weight.In addition, it requires larger structure space, and in running when implementing highly to regulate, even requires relatively many energy when the level set by keeping.
Summary of the invention
The object of the present invention is to provide a kind of structure simple, hydraulic lift hitch easy for installation.
Another object of the present invention is to provide a kind of automobile using above-mentioned hydraulic lift hitch.
To achieve these goals, embodiment of the present invention provides following technological scheme:
The invention provides a kind of hydraulic lift hitch, comprise inner core, piston piece and shell, described casing is outside described inner core, described shell is stretched out at the two ends of described inner core, described inner core one end is provided with resisting part, described resisting part is positioned at described housing exterior and for carrying described shell, oil groove and host cavity is formed between described shell and described inner core, described oil groove to be positioned at below described host cavity and to communicate with described host cavity, described shell is also provided with oilhole, oil groove and described housing exterior described in described oilhole UNICOM, described piston piece to be enclosed within outside described inner core and to be contained in described host cavity, described piston member portion stretches out described host cavity to be connected with automobile damping spring base.
Preferably, described piston piece comprises piston and piston tube, and one end of described piston tube is fixedly connected with described piston, and the other end of described piston tube is fixedly connected with automobile damping spring base, is provided with gap inside described piston and host cavity.
Preferably, described hydraulic lift hitch also comprises sealing plug, described sealing plug is between described piston piece and described shell and be fixed on described shell away from the one end bottom inner core, be provided with through hole in the middle part of described sealing plug, it is outside that described piston tube is exposed to described host cavity via described throughhole portions.
Preferably, described hydraulic lift hitch also comprises the first nut be fixedly connected with described piston tube, and described piston tube is fixedly connected with automobile damping spring base by described first nut.
Preferably, between described first nut and described spring pedestal by being welded and fixed.
Preferably, the outer tube that described shell comprises hydraulic base and is fixedly connected with described hydraulic base, described oil groove is formed between described hydraulic base and described inner core, and described oilhole is located on described hydraulic base.
Preferably, described oilhole is cone shape hole, and aperture ecto-entad successively decreases successively.
Preferably, described outer tube is provided with vent, and described vent is arranged away from described hydraulic base.
Preferably, described resisting part is the second nut, and described second nut is threaded connection and is fixed on described inner core.
The present invention also provides a kind of automobile, comprises above-mentioned hydraulic lift hitch described arbitrarily.
Embodiment of the present invention tool has the following advantages or beneficial effect:
A kind of hydraulic lift hitch provided in the present invention, the vibration damper being enclosed within automobile by the inner core of hollow is outside, then be connected with damping spring base by piston push rod, by moving up and down of hydraulic control push rod, thus drive moving up and down of the spring pedestal that is connected with piston and vehicle body, reach the object regulating vehicle body height, vehicle body controlling device structure of the present invention is simple, easy for installation, can reduce cost of production, and the space taken is little, be conducive to the volume reducing automobile.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is hydraulic lift hitch structural representation of the present invention;
Fig. 2 is the hydraulic base structural representation of the hydraulic lift hitch described in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, in figure, the direction of arrow indication is upper.Hydraulic lift hitch of the present invention can comprise hydraulic base 1, piston 2, outer tube 3, piston tube 4, sealing plug 5, second nut 6, interior pipe 7, lining 8 and the first nut 9.Wherein, a free end of piston tube 4 is used for being fixedly connected with the damping spring base (scheming not shown) of automobile, and the vibration damper (scheming not shown) that interior pipe 7 can be enclosed within automobile is outside.
Interior pipe 7 is the body of hollow structure, and the internal diameter size of interior pipe 7 is roughly identical with the external diameter of vibration damper, is convenient to interior pipe box outside automobile absorber.Outside bottom interior pipe 7 is provided with outside thread, for being connected with the first nut 9, is fixed on by the first nut 9 bottom interior pipe 7, and the resisting part of pipe 7 in forming, for abutting against with hydraulic base 1, with bearing hydraulic base 1.Interior pipe 7 is provided with internal thread on the inwall near top, and the internal thread on inwall is used for being fixedly connected with lining 8.
One end of lining 8 is formed with flange, and the other end is formed with screw section, and be positioned in the middle part of lining 8 and be provided with through hole, the diameter of through hole is identical with the diameter of the decoupling rod of automobile absorber.Lining 8 and interior pipe 7 are connected to form inner core of the present invention, in use hydraulic lift hitch of the present invention is enclosed within the outside of automobile absorber by inner core, lining 8 and vibration damper top abut against, in order to support whole hydraulic lift hitch, decoupling rod stretches out in outside hydraulic lift hitch via the through hole on lining.
Incorporated by reference to consulting Fig. 2, hydraulic base 1 is roughly in cylindric, and be provided with in the middle part of it and blind round hole, described blind hole inwall is provided with partial threads 12, is provided with through hole 13 at the medium position of described blind via bottom 11, and the diameter of through hole 13 equals the external diameter size of interior pipe 7.The oilhole 10 of taper is also provided with at the sidewall of described hydraulic base 1, oilhole 10 UNICOM base 1 outside and the through hole 13 on base 1, described oilhole 10 is arranged on the sidewall of blind via bottom 11, is also provided with the oil groove 14 of UNICOM's oilhole 10 and blind hole 11 at through hole 13 inwall.In other words, oil groove 14 is provided with between outside the inner side of described hydraulic base 1 and interior pipe 7, described oil groove 14 leads to the blind hole on described hydraulic base 1, and it is inner that outside hydraulic oil can debouch hydraulic base 1 by described oilhole 10 under pressure, and entered in blind hole by oil groove 14.
The bottom of outer tube 3 is provided with the outside thread matched with screw thread 12 on hydraulic base 1, outer tube 3 and hydraulic base 1 are threaded connection, outer tube 3 and hydraulic base 1 form the shell of hydraulic lift hitch jointly, the inwall on the top of outer tube 3 is provided with one section of internal thread, for being connected with sealing plug 5, to form confined space, prevent the dust in air from entering in hydraulic lift hitch.The sidewall of outer tube 3 is also provided with vent 30, and vent 30 is arranged near outer tube 3 top, and namely described vent 30 is arranged away from hydraulic base 1.Vent 30 is for when hydraulic oil enters hydraulic lift hitch, and piston 2 rises thereupon, and the gas to chamber in piston 2 upper part between pipe 7 and outer tube 3 is discharged; When hydraulic oil reserves hydraulic lift hitch, when namely needing to reduce vehicle body height, the gas in air can enter chamber in upper piston area between pipe 7 and outer tube 3 via vent 30.
Sealing plug 5 one end is provided with flange, and the other end is provided with screw section, and sealing plug 5 is threaded connection and is fixed on outer tube 3 one end away from hydraulic base 1, is positioned in the middle part of lining 5 and is provided with through hole, and the diameter of through hole is identical with the external diameter of piston tube 4.
Piston 2 is the cylindric of hollow, the diameter of intermediate hole 20 is roughly identical with the external diameter of interior pipe 7, the external diameter of piston 2 is identical with the internal diameter of outer tube 3, namely piston 2 is filled in host cavity between interior pipe 7 and outer tube 3 70 (apparent, above-mentioned oil groove 14 to be positioned at below described host cavity 70 and to communicate with described host cavity 70), multiple gap (unnumbered) is interval with between described piston 2 and host cavity 70 inwall, namely between inside piston 2 and interior pipe 7, multiple gap is intervally distributed with between inside piston 2 and outer tube 3, described multiple gap can reduce the area of contact between piston 2 and host cavity 70, thus can ensure that piston 2 and host cavity 70 remain contact condition.Be positioned at piston 2 upper surface 21 and be provided with downward tapped hole.Preferably, the path of tapped hole should be greater than the diameter of intermediate hole 20 on described piston 2, and described tapped hole is used for being threaded with piston tube 4.Piston 2 and piston tube 4 form piston piece of the present invention jointly.Contacted with piston 2 by hydraulic oil, hydraulic oil promotes piston 2 and moves up, thus drives other component be connected with piston to rise, to improve automotive body.Piston 2 is divided into by piston piece to be to be convenient to process and assemble with the benefit of piston tube 4.Further, piston 2 can adopt rubber material to make.Piston tube 4 can adopt metal or alloy material to make.
The bottom outside of piston tube 4 is provided with one section of outside thread 41, this outside thread 41 is fixedly connected with for carrying out screw thread with the tapped hole on piston 2, the top outer of piston tube 4 is also provided with the outside thread 42 for being connected with the second nut 6, and piston tube 4 is fixedly connected with damping spring base by described second nut 6.Preferably, damping spring base can be welded on nut 6.Certainly, other Placements can also be adopted, Placement is not limited herein.
When assembling, can be first connected with piston tube 4 by piston 2, piston 2 and piston tube 4 form a piston piece (unnumbered) jointly, piston 2 mode down of piston piece are enclosed within the outside of interior pipe 7.Again outer tube 3 and hydraulic base 1 are threaded connection and are secured together, outer tube 3 and hydraulic base 1 together form the shell of this hydraulic lift hitch, then shell is enclosed within the outer surface of interior pipe 7 in hydraulic base 1 mode down, described shell is stretched out at the two ends of described interior pipe 7, first nut 9 is fixed to bottom described interior pipe 7, form a resisting part, first nut 9 can support with described hydraulic base 1, described hydraulic base 1 and other component be connected with described hydraulic base 1, a host cavity 70 is formed between described outer tube 3 and described interior pipe 7, described piston piece to be enclosed within outside described interior pipe 7 and to be contained in described host cavity 70, described piston member portion stretches out described host cavity 70 to be connected with automobile damping spring base.Described host cavity 70 inside is divided into upper and lower two chambers by described piston piece, and promote piston piece by press-in hydraulic oil in lower chambers and move, the gas in upper chamber is discharged by vent 30.Then cover sealing plug 5, piston tube 4 part is exposed with described host cavity 70 outside, for being connected with automobile damping spring base.Sealing plug 5 to make on outer tube 3 inwall, hydraulic base 1 bottom blind hole 11, interior pipe 7 shell and sealing plug 5 form a chamber roughly closed.Sealing plug 5 can prevent the dust in air from entering in host cavity 70.Then lining 8 is fixed on interior pipe 7.Then be enclosed within outside automobile absorber by interior pipe 7, lining 8 and automobile absorber top abut against.Be fixed in piston tube 4 by the second nut 6, piston tube 4 is fixedly connected with automobile damping spring base by the second nut 6.Hydraulic base 1 and other component of being connected with hydraulic base 1 under gravity, make hydraulic base 1 and the first nut 9 abut against.Oilhole 10 connects oil pipe.The process of whole installation is roughly described above, and the order of certainly installing can suitably adjust, and no longer repeats herein.
When needs raise vehicle body height, by external pressure, hydraulic oil is pressed in oilhole 10, hydraulic oil enters in host cavity 70 through oil groove 14, and abut against with piston 2, promote piston 2 to move upward, the air in host cavity 70 is discharged via vent 30, the damping spring base that piston 2 drives connected piston tube 4, the second nut 6 be fixedly connected with piston tube, is fixedly connected with the second nut 6, make damping spring base increase, vehicle body also rises with the rising of damping spring base.When needs reduce vehicle body height, control ambient pressure, hydraulic oil is discharged by oilhole 10, then piston 2 and other component of being fixedly connected with piston 2 are under the effect of conducting oneself with dignity, and move down, vehicle body height also declines thereupon.
In the particular embodiment, in vehicle travel process, when vehicle travels with middle low speed (such as 40 ~ 80km/h), now hydraulic valve closes can be made, make vehicle body height remain on normal level (namely height of car remains on genuine design height), allow normal vehicle operation.When the low speed driving of vehicle with below 40km/h, in order to improve the paddling property of vehicle under the low speed of a motor vehicle, and the passability of vehicle in rugged section can be increased.The oil inlet end of hydrovalve can be opened, hydraulic control oil enters in oilhole 10, hydraulic oil enters in host cavity 70 under ambient pressure, promote piston 4 to move up, drive the piston tube 4 be fixedly connected with piston 2 and the damping spring base being fixed on piston tube 4 upper end also to rise thereupon, therefore chassis is also heightened thereupon, is convenient to vehicle safety by rugged section and road surface of paddling, increases the Security of wheels travel.When vehicle is to be greater than the speeds of 80km/h, in order to reduce windage, simultaneously in order to strengthen the stability that vehicle travels, need the vehicle body height reducing vehicle, now can the oil inlet end of hydraulic control valve be closed, oil outlet end is opened, and makes hydraulic oil reserve hydraulic lift hitch through oilhole 10.After hydraulic oil reserves, piston 2 and the piston tube 4 be attached thereto and the damping spring base being fixed on piston tube upper end also decline thereupon, and therefore vehicle body height declines, and enhances the Security of high vehicle speeds.Further, when vehicle travels with high speed 80 ~ 100km/h, height of vehicle body should be reduced to the following 10mm of genuine design to increase the stability of vehicle.When the high speed of vehicle with more than 100km/h, the front portion of vehicle should be reduced to former design height 20mm, and the rear portion of vehicle reduces 18mm, with lower the center of gravity strengthen stable while rely on windage compacting vehicle body to strengthen vehicle stabilization.
In the present invention on the basis of automobile original structure, a hydraulic lift hitch of the present invention is overlapped outward at automobile absorber, can regulate according to road conditions and traveling state of vehicle with the height reaching vehicle body, to strengthen the object of the Security that vehicle travels, hydraulic lift hitch structure of the present invention is simple, and little for the impact of the volume of whole vehicle body, and easy for installation, greatly can reduce the cost of automobile hanging.
Be understandable that, in other embodiments, inner core of the present invention (lining 8 and interior pipe 7) also can be the outer wall of automobile absorber, when inner core is the outer wall of automobile absorber, the bottom of interior pipe 7 is closed state, the decoupling rod of automobile absorber is contained in interior pipe 7, and stretches out in interior pipe 7 from the through hole lining 8.Other structure is same as described above, repeats no more herein.
Be understandable that, in the present invention, mostly adopt between each part and be threaded, the mode such as welding, buckle connection can also be adopted in other embodiments to connect.
Present invention also offers a kind of automobile adopting above-mentioned hydraulic lift hitch, described hydraulic lift hitch is enclosed within automobile absorber outside, and the piston tube of hydraulic lift hitch is connected with the damping spring base on automobile.
Above-described mode of execution, does not form the restriction to this technological scheme protection domain.The amendment done within any spirit at above-mentioned mode of execution and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in this technological scheme.
Claims (10)
1. a hydraulic lift hitch, it is characterized in that, comprise inner core, piston piece and shell, described casing is outside described inner core, described shell is stretched out at the two ends of described inner core, described inner core one end is provided with resisting part, described resisting part is positioned at described housing exterior and for carrying described shell, oil groove and host cavity is formed between described shell and described inner core, described oil groove to be positioned at below described host cavity and to communicate with described host cavity, described shell is also provided with oilhole, oil groove and described housing exterior described in described oilhole UNICOM, described piston piece to be enclosed within outside described inner core and to be contained in described host cavity, described piston member portion stretches out described host cavity to be connected with automobile damping spring base.
2. hydraulic lift hitch as claimed in claim 1, it is characterized in that, described piston piece comprises piston and piston tube, one end of described piston tube is fixedly connected with described piston, the other end of described piston tube is fixedly connected with automobile damping spring base, and described piston and host cavity inwall are provided with gap.
3. hydraulic lift hitch as claimed in claim 2, it is characterized in that, described hydraulic lift hitch also comprises sealing plug, described sealing plug is between described piston piece and described shell and be fixed on described shell one end away from inner core resisting part, be provided with through hole in the middle part of described sealing plug, it is outside that described piston tube is exposed to described host cavity via described throughhole portions.
4. hydraulic lift hitch as claimed in claim 2, it is characterized in that, described hydraulic lift hitch also comprises the first nut be fixedly connected with described piston tube, and described piston tube is fixedly connected with automobile damping spring base by described first nut.
5. hydraulic lift hitch as claimed in claim 4, is characterized in that, by being welded and fixed between described first nut and described spring pedestal.
6. hydraulic lift hitch as claimed in claim 1, it is characterized in that, the outer tube that described shell comprises hydraulic base and is fixedly connected with described hydraulic base, described oil groove is formed between described hydraulic base and described inner core, and described oilhole is located on described hydraulic base.
7. hydraulic lift hitch as claimed in claim 6, it is characterized in that, described oilhole is cone shape hole, and aperture ecto-entad successively decreases successively.
8. hydraulic lift hitch as claimed in claim 6, it is characterized in that, described outer tube is provided with vent, and described vent is arranged away from described hydraulic base.
9. hydraulic lift hitch as claimed in claim 1, it is characterized in that, described resisting part is the second nut, and described second nut is threaded connection and is fixed on described inner core.
10. an automobile, is characterized in that, comprises the hydraulic lift hitch described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510623261.3A CN105179582B (en) | 2015-09-25 | 2015-09-25 | Hydraulic lift hitch and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510623261.3A CN105179582B (en) | 2015-09-25 | 2015-09-25 | Hydraulic lift hitch and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105179582A true CN105179582A (en) | 2015-12-23 |
| CN105179582B CN105179582B (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510623261.3A Active CN105179582B (en) | 2015-09-25 | 2015-09-25 | Hydraulic lift hitch and automobile |
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| Country | Link |
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| CN (1) | CN105179582B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2164417B (en) * | 1984-09-15 | 1987-12-09 | Boge Gmbh | An adjustable hydraulic damper |
| CN2574930Y (en) * | 2002-10-14 | 2003-09-24 | 周苗长 | Two-shift pneumatic auxiliary speed variator for vehicle |
| JP2005121038A (en) * | 2003-10-14 | 2005-05-12 | Kato Masahito | Damper for suspension |
| US20110024957A1 (en) * | 2009-07-31 | 2011-02-03 | Showa Corporation | Vehicle height adjusting apparatus |
| CN204985498U (en) * | 2015-09-25 | 2016-01-20 | 深圳市鑫金桥汽车贸易有限公司 | Hydraulic pressure linkage and car |
-
2015
- 2015-09-25 CN CN201510623261.3A patent/CN105179582B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2164417B (en) * | 1984-09-15 | 1987-12-09 | Boge Gmbh | An adjustable hydraulic damper |
| CN2574930Y (en) * | 2002-10-14 | 2003-09-24 | 周苗长 | Two-shift pneumatic auxiliary speed variator for vehicle |
| JP2005121038A (en) * | 2003-10-14 | 2005-05-12 | Kato Masahito | Damper for suspension |
| US20110024957A1 (en) * | 2009-07-31 | 2011-02-03 | Showa Corporation | Vehicle height adjusting apparatus |
| CN204985498U (en) * | 2015-09-25 | 2016-01-20 | 深圳市鑫金桥汽车贸易有限公司 | Hydraulic pressure linkage and car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105179582B (en) | 2018-02-23 |
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