CN108909557A - A kind of non-linear seat suspension and driver seat - Google Patents
A kind of non-linear seat suspension and driver seat Download PDFInfo
- Publication number
- CN108909557A CN108909557A CN201810956011.5A CN201810956011A CN108909557A CN 108909557 A CN108909557 A CN 108909557A CN 201810956011 A CN201810956011 A CN 201810956011A CN 108909557 A CN108909557 A CN 108909557A
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- Prior art keywords
- suspension
- linear
- linear seat
- cam
- rolling mechanism
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- 239000000725 suspension Substances 0.000 title claims abstract description 94
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000005096 rolling process Methods 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 230000008450 motivation Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 15
- 230000003068 static effect Effects 0.000 abstract description 14
- 238000006073 displacement reaction Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000013016 damping Methods 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000037396 body weight Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 241000145637 Lepturus Species 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/502—Seat suspension devices attached to the base of the seat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/505—Adjustable suspension including height adjustment
Abstract
The present invention relates to a kind of non-linear seat suspension and driver seats.The non-linear seat suspension includes frame body, and the frame body includes upper suspension, vertical suspension and low bottom-disc, and the elastic compression part connecting respectively with the upper suspension and low bottom-disc is provided in the vertical suspension, and the two sides of the vertical suspension are provided with cam；Each cam is provided with rolling mechanism far from the side contact of the vertical suspension, is connected between the rolling mechanism by elastic stretching component, the rolling mechanism is provided with horizontal sliding equipment far from the side of the elastic stretching component.Nonlinear contact may be implemented in non-linear seat suspension provided by the invention, vibration isolation bandwidth, the advantages such as low static rigidity, high dynamic rigidity, overcome the situation bigger than normal of vibratility adjustment caused by the requirement of Low rigidity and static displacement in linear suspension motion process, with preferable comfort level, and design simple.
Description
Technical field
The invention belongs to vehicular fields, more particularly, to a kind of non-linear seat suspension and driver seat.
Background technique
Driving used in existing market is particularly applied to the driver seat of wheeled tractor, fork truck etc., driver with chair
It needs to operation on one side drive while, it is relatively high to the functional requirement of driver seat, but existing most structures are simple, have a single function, and it is auxiliary
The very important function of driver cannot all be embodied by helping to drive function and provide driving comfort etc..
The injury of driver's vibration suffered in operation mostlys come from low-frequency vibration, existing driver seat suspension it is rigid
Spend bigger, the intrinsic frequency of chair suspension system just becomes larger, and just seldom to the decaying of vibration caused by low frequency in this way, rises not
To the purpose for improving crew comfort.On the other hand, if rigidity is smaller, driver will make seat when contacting seat
Biggish displacement is generated, if the vibration of vehicle under steam is strong, it will bring bigger vibratility adjustment, driver contacts seat
The biggish displacement generated when chair brings limitation spatially to the arrangement of seat suspension, and excessive vibratility adjustment will
Driver is caused to decline the control ability of direction of traffic, so that manipulation disorder, increases the driving risk of driver, thus
It may cause the probability raising that traffic accident occurs.Currently, using it is more be linear seat suspension and air spring suspension, line
Property is suspended on low-frequency vibration isolating problem that there are theoretic limitations, i.e., static displacement is big when low frequency vibration isolation performance is good, it is difficult to
Meet off highway vehicle（Working truck）Low frequency vibration isolation demand, though air spring suspension low frequency vibration isolation preferably, need it is attached
Add large volume of gas chamber.And active, semi-active suspension theoretically have ideal anti-vibration performance, but system complex, it is at high cost
And energy consumption is big.
Therefore design structure science, the preferable driver seat of driving comfort have working truck total quality important
Value is promoted, is had very important significance to driver.
Summary of the invention
It is an object of the invention to overcome existing driver seat suspension damping effect bad, system complex, cost highly energy-consuming is big
Defect and deficiency, a kind of non-linear seat suspension is provided.Non-linear seat suspension provided by the invention may be implemented non-linear
Contact, vibration isolation bandwidth, the advantages such as low static rigidity, high dynamic rigidity overcome Low rigidity in linear suspension motion process
Vibratility adjustment caused by it is required that and static displacement situation bigger than normal have preferable comfort level, and design simple.
Another object of the present invention is to provide a kind of driver seats.
For the purpose for realizing foregoing invention, the present invention is adopted the following technical scheme that：
A kind of non-linear seat suspension, including frame body, the frame body include upper suspension, vertical suspension and low bottom-disc, described vertical
The elastic compression part connecting respectively with the upper suspension and low bottom-disc, the two sides setting of the vertical suspension are provided in suspension
There is cam；
Each cam is provided with rolling mechanism far from the side contact of the vertical suspension, leads between the rolling mechanism
The connection of elastic stretching component is crossed, the rolling mechanism is provided with horizontal sliding equipment far from the side of the elastic stretching component.
Upper suspension and low bottom-disc play the role of supporting and fixing, when by human body weight power（Straight down）When, it is non-linear
The vibration of vertical direction will occur in seat suspension, and elastic compression part is compressed, and then moved downward with moving cam, so that mutually
The cam and rolling mechanism mutual extrusion of contact, rolling mechanism roll around on the periphery of cam, and pass through elastic stretching portion
Part drives horizontal sliding equipment to stretch contraction back and forth in the horizontal direction, so that the vibration of vertical direction is changed into horizontal direction
It is flexible, realize that non-linear seat suspension rigidity in static state is larger, rigidity lesser characteristic when dynamic reaches preferable vibration damping
Effect.
Preferably, the elastic compression part is compressed spring.
Compressed spring has preferable compression and reconstitution properties.
Preferably, the cam is ellipse.
It is further preferable that the long axis of the cam is set on vertical direction.
It the cam of the particular design and is preferably contacted with rolling mechanism, squeezes and roll.
Preferably, the cam is symmetrical arranged.
Preferably, the cam is detachably connected with the vertical suspension.
It is detachably connected, advantageously the cam of abrasion can be replaced, extend the service life of non-linear seat suspension；
In addition, suitable cam dimension can also be replaced under different demands, to adapt to different weight（Different vibration damping demands）.
It is further preferable that the cam is connect with the vertical suspension by bolt arrangement.
Preferably, the elastic stretching component is extension spring.
Extension spring has preferable stretching action, it can be achieved that the vibration of vertical direction is changed into the movement of horizontal direction,
With preferable effectiveness in vibration suppression.
Preferably, the rolling mechanism is roller bearing.
Preferably, the rolling mechanism is fixedly connected with horizontal sliding equipment by bolt arrangement.
Preferably, the horizontal sliding equipment includes the slide post and sliding groove being fixedly connected with the rolling mechanism, institute
Horizontal sliding equipment is stated to be fixedly connected with the frame body.
Slide post moves back and forth in sliding groove, can preferably realize that the vibration of vertical direction is changed into the shifting of horizontal direction
It is dynamic, there is preferable effectiveness in vibration suppression.
Preferably, the frame body further includes the support frame being vertically arranged on the low bottom-disc, the horizontal sliding equipment
It is fixedly connected with support frame.
In order to realize better effectiveness in vibration suppression, it is preferable that be additionally provided with scissor lift between the upper suspension and low bottom-disc
Mechanism.
Existing scissors-type lifting is used equally in the present invention.
Preferably, the scissors-type lifting includes scissor lift suspension and for driving the scissor lift suspension to go up and down
Cylinder.
A kind of driver seat, including cushion is also claimed in the present invention, and the cushion bottom is provided with above-mentioned non-linear seat
Suspension.
Compared with prior art, the present invention has the advantages that：
Nonlinear contact, vibration isolation bandwidth, low static rigidity, high dynamic may be implemented in non-linear seat suspension provided by the invention
It is bigger than normal to overcome vibratility adjustment caused by the requirement of Low rigidity and static displacement in linear suspension motion process for the advantages such as rigidity
Situation has preferable comfort level, and designs simple.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the non-linear seat suspension that embodiment 1 provides；
Fig. 2 is another structural schematic diagram for the non-linear seat suspension that embodiment 1 provides（Without scissors-type lifting）；
Fig. 3 is the power-displacement static characteristic curve for the non-linear seat suspension that embodiment 1 provides；
Fig. 4 is the non-linear seat suspension that provides of embodiment 1 figure compared with the force-displacement behavior curve of linear seat suspension；
Wherein, 1 is frame body, and 101 be upper suspension, and 102 be vertical suspension, and 103 be low bottom-disc, and 104 be support frame；2 be elasticity pressure
Contracting component；3 be cam；4 be elastic stretching component；5 be rolling mechanism；6 be horizontal sliding equipment, and 601 be slide post, and 602 are
Sliding groove；7 be scissors-type lifting, and 701 be scissor lift suspension；
A is non-linear；B is linear.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with Figure of description and tool
Body embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only to explain
The present invention is not intended to limit the present invention.In addition, technology involved in the various embodiments of the present invention described below
Feature can be combined with each other as long as they do not conflict with each other.
It should be noted that it both can be directly another when original part is referred to as " being set to ", " install in " another element
On element, there may also be elements placed in the middle.When an element is considered " to connect " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Embodiment 1
The present embodiment provides a kind of non-linear seat suspension, such as Fig. 1 ~ 2, including frame body 1, frame body 1 includes upper suspension 101, vertical
Suspension 102 and low bottom-disc 103 are provided with the elasticity pressure connecting respectively with upper suspension 101 and low bottom-disc 103 in vertical suspension 102
The two sides of contracting component 2, vertical suspension 102 are symmetrically arranged with cam 3；Side contact of each cam 3 far from vertical suspension 102 is equal
It is provided with rolling mechanism 5, is connected between rolling mechanism 5 by elastic stretching component 4, rolling mechanism 5 is far from elastic stretching component 4
Side be provided with horizontal sliding equipment 6.
In the present embodiment, elastic compression part 2 is compressed spring；Cam 3 is oval cam, and the long axis of cam 3
It is set on vertical direction；Elastic stretching component 4 is extension spring, and rolling mechanism 5 is roller bearing.
In order to can replace when needed to oval cam, oval cam detachably connects with vertical suspension 102
It connects.Specifically, the two is connected by bolt arrangement.The specific connection type can advantageously carry out more the oval cam of abrasion
It changes, extends the service life of non-linear seat suspension；In addition, suitable oval convex caliper scale can also be replaced under different demands
It is very little, to adapt to the different vibration damping demand of different weight.
In the present embodiment, horizontal sliding equipment 6 includes the slide post 601 and sliding groove being fixedly connected with rolling mechanism 5
602, horizontal sliding equipment 6 is fixedly connected with frame body 1.Frame body 1 further includes the support frame 104 being vertically arranged on low bottom-disc 103,
Horizontal sliding equipment 6 is fixedly connected with support frame 104.
In order to further enhance effectiveness in vibration suppression, scissors-type lifting 7 is additionally provided between upper suspension 101 and low bottom-disc 103.
Specifically, scissors-type lifting 7 includes scissor lift suspension 701 and the cylinder for driving scissor lift suspension 701 to go up and down, and is cut
The both ends of formula lifting suspension 701 are fixedly connected with upper suspension 101 and low bottom-disc 103 respectively, and cylinder is set on low bottom-disc 103.
Upper suspension and low bottom-disc play the role of supporting and fixing, when by human body weight power（Straight down）When, it is non-linear
The vibration of vertical direction will occur in seat suspension, and elastic compression part is compressed, and then moved downward with moving cam, so that mutually
The cam and rolling mechanism mutual extrusion of contact, rolling mechanism roll around on the periphery of cam, and pass through elastic stretching portion
Part drives horizontal sliding equipment to stretch contraction back and forth in the horizontal direction, so that the vibration of vertical direction is changed into horizontal direction
It is flexible, realize that non-linear seat suspension rigidity in static state is larger, rigidity lesser characteristic when dynamic reaches preferable vibration damping
Effect.It is power-displacement static characteristic curve in non-linear seat suspension motion process such as Fig. 3, is in nonlinear characteristic.Just
Degree changes from small to big again from large to small, the lesser static rigidity of seat suspension may be implemented, and have good low frequency vibration isolation
Energy.It is linear vibrating isolation system compared with Nonlinear Vibration Isolation System such as Fig. 4, figure A indicates Nonlinear Vibration Isolation System, and figure B indicates non-
Linear vibrating isolation system, it can be seen that the vibration isolation section of Nonlinear Vibration Isolation System exists in equilbrium position vicinity compared with thin tail sheep
Variation, substantially increases the stability and vibration isolation efficiency of suspension system.
Nonlinear contact, vibration isolation bandwidth, low static rigidity, height may be implemented in non-linear seat suspension provided by the invention
It is inclined to overcome vibratility adjustment caused by the requirement of Low rigidity and static displacement in linear suspension motion process for the advantages such as dynamic rate
Big situation has preferable comfort level, and designs simple.
Non-linear seat suspension provided in this embodiment can be applied in conventional driver seat, specifically, the driver seat
Including cushion, the cushion bottom is provided with above-mentioned non-linear seat suspension.
Driver seat provided by the invention has preferable effectiveness in vibration suppression, and comfort level is high.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that the general technical staff for this field comes
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.
Claims (10)
1. a kind of non-linear seat suspension, which is characterized in that including frame body（1）, the frame body（1）Including upper suspension（101）, it is perpendicular
Straight suspension（102）And low bottom-disc（103）, the vertical suspension（102）Inside be provided with respectively with the upper suspension（101）The bottom and
Disk（103）The elastic compression part of connection（2）, the vertical suspension（102）Two sides be provided with cam（3）；
Each cam（3）Far from the vertical suspension（102）Side contact be provided with rolling mechanism（5）, the rolling
Motivation structure（5）Between pass through elastic stretching component（4）Connection, the rolling mechanism（5）Far from the elastic stretching component（4）'s
Side is provided with horizontal sliding equipment（6）.
2. non-linear seat suspension according to claim 1, which is characterized in that the elastic compression part（2）To compress bullet
Spring.
3. non-linear seat suspension according to claim 1, which is characterized in that the cam（3）For ellipse.
4. non-linear seat suspension according to claim 1, which is characterized in that the elastic stretching component（4）To stretch bullet
Spring.
5. non-linear seat suspension according to claim 1, which is characterized in that the rolling mechanism（5）For roller bearing.
6. non-linear seat suspension according to claim 1, which is characterized in that the horizontal sliding equipment（6）Including with institute
State rolling mechanism（5）The slide post being fixedly connected（601）And sliding groove（602）, the horizontal sliding equipment（6）With the frame body
（1）It is fixedly connected.
7. non-linear seat suspension according to claim 1, which is characterized in that the frame body（1）It further include being vertically arranged at
The low bottom-disc（103）On support frame（104）, the horizontal sliding equipment（6）With support frame（104）It is fixedly connected.
8. non-linear seat suspension according to claim 1, which is characterized in that the upper suspension（101）And low bottom-disc（103）
Between be additionally provided with scissors-type lifting（7）.
9. non-linear seat suspension according to claim 8, which is characterized in that the scissors-type lifting（7）Including scissors
Go up and down suspension（701）With for driving the scissor lift suspension（701）The cylinder of lifting.
10. a kind of driver seat, which is characterized in that including cushion, it is any described non-that the cushion bottom is provided with claim 1 ~ 9
Linear seat suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956011.5A CN108909557B (en) | 2018-08-21 | 2018-08-21 | Nonlinear seat suspension and driving chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956011.5A CN108909557B (en) | 2018-08-21 | 2018-08-21 | Nonlinear seat suspension and driving chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108909557A true CN108909557A (en) | 2018-11-30 |
| CN108909557B CN108909557B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810956011.5A Active CN108909557B (en) | 2018-08-21 | 2018-08-21 | Nonlinear seat suspension and driving chair |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624797A (en) * | 2018-12-04 | 2019-04-16 | 河北铠特农业机械有限公司 | A kind of hillside tractor seat automatic balancing arrangement |
| CN109895666A (en) * | 2019-03-25 | 2019-06-18 | 华南农业大学 | A kind of non-linear seat suspension and driver seat with micro-adjusting mechanism |
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Cited By (3)
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| CN109624797A (en) * | 2018-12-04 | 2019-04-16 | 河北铠特农业机械有限公司 | A kind of hillside tractor seat automatic balancing arrangement |
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| CN109895666A (en) * | 2019-03-25 | 2019-06-18 | 华南农业大学 | A kind of non-linear seat suspension and driver seat with micro-adjusting mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108909557B (en) | 2024-03-26 |
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