CN103241154B - Commercial vehicle seat buffer device - Google Patents
Commercial vehicle seat buffer device Download PDFInfo
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- CN103241154B CN103241154B CN201310179385.8A CN201310179385A CN103241154B CN 103241154 B CN103241154 B CN 103241154B CN 201310179385 A CN201310179385 A CN 201310179385A CN 103241154 B CN103241154 B CN 103241154B
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- hydraulic cylinder
- cylinder
- cylinder body
- lifting hydraulic
- seat
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Abstract
The invention relates to the field of commercial vehicles, in particular to a commercial vehicle seat buffer device which comprises a cushion frame, a cushion frame beam, a rocker arm, a lifting hydraulic cylinder, a seat base beam, a seat base and a buffer hydraulic cylinder. One end of the buffer hydraulic cylinder is arranged on a suspension, the other end of the buffer hydraulic cylinder is connected with a vehicle body girder, upper cylinder bodies are respectively arranged at one ends of the lifting hydraulic cylinder and the buffer hydraulic cylinder where piston rods penetrate through, and lower cylinder bodies are arranged at the other ends. Hydraulic oil is filled in the upper cylinder bodies and the lower cylinder bodies of the lifting hydraulic cylinder and the buffer hydraulic cylinder, the lower cylinder body of the lifting hydraulic cylinder is connected with the upper cylinder body of the buffer hydraulic cylinder through an oil pipe, and the upper cylinder body of the lifting hydraulic cylinder is connected with the lower cylinder body of the buffer hydraulic cylinder through an oil pipe. Small oil flow holes on other shock absorbers are not arranged on the buffer hydraulic cylinder, the lifting hydraulic cylinder used for adjusting seat height and the buffer hydraulic cylinder are connected to act in the same direction, therefore influence of automobile bumping on seats is eliminated and the vehicle riding comfort degree is improved.
Description
Technical field
The present invention relates to commercial vehicle/comm..vehicle field, particularly relate to a kind of commercial vehicle seat.
Background technology
The properties of commercial vehicle/comm..vehicle all needs the factor taking into account loading and seat people two aspect usually, so require more difficult realization, particularly for the commercial vehicle/comm..vehicle of low cost, need loading will require larger suspension rate, and seat people have can have requirement to traveling comfort, can take into account this rack buffer structure of 2 will cost very high; Existing commercial vehicle seat skeleton is directly be fixedly mounted on the base plate in compartment mostly, utilize the bumper in suspension system to realize to the buffering of seat, seat itself just arranges some cushion rubbers at most, and the traveling comfort of this seat is poor, and passenger's complaint is larger.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of commercial vehicle seat buffer device, twin-tub is directly utilized all to be full of the buffering hydraulic cylinder of hydraulic actuating cylinder as automotive suspension of hydraulic oil, improve speed of response and the ability of buffer gear when vehicle jolts, eliminate the impact of automobile bumpiness on seat with this, improve the travelling comfort of vehicle.
The present invention is achieved in that a kind of commercial vehicle seat buffer device, comprise cushion skeleton, cushion skeleton crossbeam, rocking arm, lifting hydraulic cylinder, seat base crossbeam, seat base and buffering hydraulic cylinder, described one end is hinged in cushion skeleton, the described rocking arm other end and cushion skeleton crossbeam hinged; Described cushion skeleton beam erection is on rocking arm, and described seat base beam erection is on seat base, and described lifting hydraulic cylinder one is arranged on cushion skeleton crossbeam, and lifting hydraulic cylinder other end is connected with seat base crossbeam; Described buffering hydraulic cylinder one is arranged on suspension, and the other end of buffering hydraulic cylinder is connected with vehicle body side member, and the one end passed with piston rod in lifting hydraulic cylinder and buffering hydraulic cylinder is upper cylinder body, and the other end is lower cylinder body; All be full of hydraulic oil in the upper and lower cylinder body of described lifting hydraulic cylinder and buffering hydraulic cylinder, the lower cylinder body of lifting hydraulic cylinder is communicated with by oil pipe with the upper cylinder body of buffering hydraulic cylinder, and the upper cylinder body of lifting hydraulic cylinder is communicated with by oil pipe with the lower cylinder body of buffering hydraulic cylinder.
This commercial vehicle seat buffer device also comprises seat regulator, described seat regulator comprises regulating handle, regulable control hydraulic actuating cylinder and cam, the cylinder body of described regulable control hydraulic actuating cylinder is fixedly mounted on cushion frame, described regulating handle is connected by the piston rod of cam with regulable control hydraulic actuating cylinder, the described lower cylinder body of regulable control hydraulic actuating cylinder is communicated with by oil pipe with the lower cylinder body of lifting hydraulic cylinder, and the described upper cylinder body of regulable control hydraulic actuating cylinder is communicated with by oil pipe with the upper cylinder body of lifting hydraulic cylinder.
The cylinder body of described lifting hydraulic cylinder is arranged on cushion skeleton crossbeam, and the piston rod of lifting hydraulic cylinder is connected with seat base crossbeam.
The cylinder body of described buffering hydraulic cylinder is arranged on suspension, and the piston rod of buffering hydraulic cylinder is connected with vehicle body side member.
Commercial vehicle seat buffer device of the present invention directly utilizes twin-tub to be all full of the buffering hydraulic cylinder of hydraulic actuating cylinder as automotive suspension of hydraulic oil, the piston of buffering hydraulic cylinder is not arranged the oil circulation aperture on other bumpers, and the lifting hydraulic cylinder of adjusting seat height is communicated with into homodromous movement with buffering hydraulic cylinder, improve speed of response and the ability of buffer gear when vehicle jolts, eliminate the impact of automobile bumpiness on seat with this, improve the travelling comfort of vehicle.
Accompanying drawing explanation
Fig. 1 is the structural representation of commercial vehicle seat buffer device of the present invention;
Fig. 2 is the installation site schematic diagram of buffering hydraulic cylinder in the present invention;
Fig. 3 is the oily flow graph of cushion task of the present invention.
In figure: 1 cushion skeleton, 2 cushion skeleton crossbeams, 3 rocking arms, 4 lifting hydraulic cylinders, 5 seat base crossbeams, 6 seat bases, 7 buffering hydraulic cylinders, 8 vehicle body side member, 9 suspensions, 10 regulating handles, 11 hydraulic control cylinders, 12 cams.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's statement.
Embodiment 1
As shown in Figure 1, 2, a kind of commercial vehicle seat buffer device, comprise cushion skeleton 1, cushion skeleton crossbeam 2, rocking arm 3, lifting hydraulic cylinder 4, seat base crossbeam 5, seat base 6 and buffering hydraulic cylinder 7, described rocking arm 3 one end is hinged in cushion skeleton 1, described rocking arm 3 other end and cushion skeleton crossbeam 2 hinged; Described cushion skeleton crossbeam 2 is erected on rocking arm 3, and described seat base crossbeam 5 is erected on seat base 6, and described lifting hydraulic cylinder 4 one is arranged on cushion skeleton crossbeam 2, and lifting hydraulic cylinder 4 other end is connected with seat base crossbeam 5; Described buffering hydraulic cylinder 7 one is arranged on suspension 9, and the other end of buffering hydraulic cylinder 7 is connected with vehicle body side member 8, and the one end passed with lifting hydraulic cylinder 4 and piston rod in buffering hydraulic cylinder 7 is for upper cylinder body, and the other end is lower cylinder body; All hydraulic oil is full of in described lifting hydraulic cylinder 4 and the upper and lower cylinder body of buffering hydraulic cylinder 7, the lower cylinder body of lifting hydraulic cylinder 4 is communicated with by oil pipe with the upper cylinder body of buffering hydraulic cylinder 7, and the upper cylinder body of lifting hydraulic cylinder 4 is communicated with by oil pipe with the lower cylinder body of buffering hydraulic cylinder 7.
In the present invention, can adapt with the buffer gear in the present invention to make the seat regulator controlling seat, described seat regulator comprises regulating handle 10, regulable control hydraulic actuating cylinder 11 and cam 12, the cylinder body of described regulable control hydraulic actuating cylinder 11 is fixedly mounted on cushion frame, described regulating handle 10 is connected with the piston rod of regulable control hydraulic actuating cylinder 11 by cam 12, the lower cylinder body of described regulable control hydraulic actuating cylinder 11 is communicated with by oil pipe with the lower cylinder body of lifting hydraulic cylinder 4, the upper cylinder body of described regulable control hydraulic actuating cylinder 11 is communicated with by oil pipe with the upper cylinder body of lifting hydraulic cylinder 4.When raising regulating handle 10, cam 12 drives the piston rod of regulable control hydraulic actuating cylinder 11 descending, and the hydraulic oil in regulable control hydraulic actuating cylinder 11 lower cylinder body flows in the lower cylinder body of lifting hydraulic cylinder 4, and lifting hydraulic cylinder 4 is upheld, and seat raises; Otherwise seat reduces.
In the present embodiment, the cylinder body of described lifting hydraulic cylinder 4 is arranged on cushion skeleton crossbeam 2, the piston rod of lifting hydraulic cylinder 4 is connected with seat base crossbeam 5, and the cylinder body of described buffering hydraulic cylinder 7 is arranged on suspension 9, and the piston rod of buffering hydraulic cylinder 7 is connected with vehicle body side member 8.
When buffering hydraulic cylinder 7 is by compression, the hydraulic oil between buffering hydraulic cylinder 7 and lifting hydraulic cylinder 4 flows to as shown in Figure 3, and the lifting hydraulic cylinder 4 of seat produces and shrinks, and seat is reduced, further enhances the effect of buffering.Otherwise when buffering hydraulic cylinder 7 is upheld, the lifting hydraulic cylinder 4 of seat is upheld, and makes seat raise.By regulating lifting hydraulic cylinder 4 and the piston area ratio of buffering hydraulic cylinder 7, can regulate when buffering hydraulic cylinder 7 action, the stroke of lifting hydraulic cylinder 4 piston, making it farthest to offset pitching of vehicle, improve the traveling comfort of vehicle ride.
Claims (4)
1. a commercial vehicle seat buffer device, comprise cushion skeleton (1), cushion skeleton crossbeam (2), rocking arm (3), lifting hydraulic cylinder (4), seat base crossbeam (5), seat base (6) and buffering hydraulic cylinder (7), described rocking arm (3) one end is hinged in cushion skeleton (1), described rocking arm (3) other end and cushion skeleton crossbeam (2) hinged; Described cushion skeleton crossbeam (2) is erected on rocking arm (3), described seat base crossbeam (5) is erected on seat base (6), described lifting hydraulic cylinder (4) one is arranged on cushion skeleton crossbeam (2), and lifting hydraulic cylinder (4) other end is connected with seat base crossbeam (5); Described buffering hydraulic cylinder (7) one is arranged on suspension (9), the other end of buffering hydraulic cylinder (7) is connected with vehicle body side member (8), it is characterized in that: the one end passed with lifting hydraulic cylinder (4) and piston rod in buffering hydraulic cylinder (7) is for upper cylinder body, and the other end is lower cylinder body; All hydraulic oil is full of in described lifting hydraulic cylinder (4) and the upper and lower cylinder body of buffering hydraulic cylinder (7), the lower cylinder body of lifting hydraulic cylinder (4) is communicated with by oil pipe with the upper cylinder body of buffering hydraulic cylinder (7), and the upper cylinder body of lifting hydraulic cylinder (4) is communicated with by oil pipe with the lower cylinder body of buffering hydraulic cylinder (7).
2. commercial vehicle seat buffer device as claimed in claim 1, it is characterized in that: this commercial vehicle seat buffer device also comprises seat regulator, described seat regulator comprises regulating handle (10), regulable control hydraulic actuating cylinder (11) and cam (12), the cylinder body of described regulable control hydraulic actuating cylinder (11) is fixedly mounted on cushion frame, and described regulating handle (10) is connected by the piston rod of cam (12) with regulable control hydraulic actuating cylinder (11); The one end passed with piston rod in regulable control hydraulic actuating cylinder (11) is for upper cylinder body, the other end is lower cylinder body, the lower cylinder body of described regulable control hydraulic actuating cylinder (11) is communicated with by oil pipe with the lower cylinder body of lifting hydraulic cylinder (4), and the upper cylinder body of described regulable control hydraulic actuating cylinder (11) is communicated with by oil pipe with the upper cylinder body of lifting hydraulic cylinder (4).
3. commercial vehicle seat buffer device as claimed in claim 1 or 2, it is characterized in that: the cylinder body of described lifting hydraulic cylinder (4) is arranged on cushion skeleton crossbeam (2), and the piston rod of lifting hydraulic cylinder (4) is connected with seat base crossbeam (5).
4. commercial vehicle seat buffer device as claimed in claim 1 or 2, it is characterized in that: the cylinder body of described buffering hydraulic cylinder (7) is arranged on suspension (9), and the piston rod of buffering hydraulic cylinder (7) is connected with vehicle body side member (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310179385.8A CN103241154B (en) | 2013-05-15 | 2013-05-15 | Commercial vehicle seat buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310179385.8A CN103241154B (en) | 2013-05-15 | 2013-05-15 | Commercial vehicle seat buffer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103241154A CN103241154A (en) | 2013-08-14 |
| CN103241154B true CN103241154B (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310179385.8A Active CN103241154B (en) | 2013-05-15 | 2013-05-15 | Commercial vehicle seat buffer device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103241154B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545540B (en) * | 2015-09-23 | 2018-09-11 | 比亚迪股份有限公司 | The lifting gear of the fuel feeding Fuel Tanking Unit and forklift seat cover board of hydraulic cylinder |
| CN107082033A (en) * | 2017-03-17 | 2017-08-22 | 宁国昕远金属制品有限公司 | A kind of skeleton for automobile cushion damping |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2055711A (en) * | 1979-07-19 | 1981-03-11 | Porsche Ag | Hydropneumatic spring seat arrangement of vehicles |
| US6120082A (en) * | 1999-03-09 | 2000-09-19 | Navistar International Transportation Corp. | Integrated active seat suspension and seat lockup device |
| CN2592428Y (en) * | 2002-12-18 | 2003-12-17 | 吴江 | Vehicle anti-shock seat support |
| CN102350961A (en) * | 2011-07-26 | 2012-02-15 | 浙江吉利汽车研究院有限公司 | Automobile seat |
| CN103025577A (en) * | 2010-09-22 | 2013-04-03 | 凯波有限责任两合公司 | Vehicle seat, in particular multi-purpose carrier vehicle |
-
2013
- 2013-05-15 CN CN201310179385.8A patent/CN103241154B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2055711A (en) * | 1979-07-19 | 1981-03-11 | Porsche Ag | Hydropneumatic spring seat arrangement of vehicles |
| US6120082A (en) * | 1999-03-09 | 2000-09-19 | Navistar International Transportation Corp. | Integrated active seat suspension and seat lockup device |
| CN2592428Y (en) * | 2002-12-18 | 2003-12-17 | 吴江 | Vehicle anti-shock seat support |
| CN103025577A (en) * | 2010-09-22 | 2013-04-03 | 凯波有限责任两合公司 | Vehicle seat, in particular multi-purpose carrier vehicle |
| CN102350961A (en) * | 2011-07-26 | 2012-02-15 | 浙江吉利汽车研究院有限公司 | Automobile seat |
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| Publication number | Publication date |
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| CN103241154A (en) | 2013-08-14 |
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