CN202855179U - Double-cylinder shock absorber used for teaching - Google Patents
Double-cylinder shock absorber used for teaching Download PDFInfo
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- CN202855179U CN202855179U CN 201220506016 CN201220506016U CN202855179U CN 202855179 U CN202855179 U CN 202855179U CN 201220506016 CN201220506016 CN 201220506016 CN 201220506016 U CN201220506016 U CN 201220506016U CN 202855179 U CN202855179 U CN 202855179U
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- shock absorber
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Abstract
The utility model provides a double-cylinder shock absorber used for teaching and belongs to the technical field of teaching appliances. The double-cylinder shock absorber can assist in solving the problems such as incapability of observing the whole working process of a double-cylinder shock absorber used for teaching in the prior art. The double-cylinder shock absorber used for teaching comprises a piston rod, an oil seal sleeve, an oil seal, a piston, a working cylinder and an oil storage cylinder, wherein the oil seal sleeve and the oil seal are installed at an opening of the oil storage cylinder, the piston rod passes through mounting holes at the centers of the oil seal sleeve and the oil seal and extends into the working cylinder, the piston is arranged at a lower end portion of the piston rod and is located inside the working cylinder; when stressed, the piston rod can drive the piston to slide up and down in the working cylinder. The working cylinder is made of a transparent material, and the oil storage cylinder is also made of the transparent material, so the internal structure and the whole working process of the shock absorber can be observed through the working cylinder and the oil storage cylinder. The double-cylinder shock absorber used for teaching is advantageous in whole visual working process, convenience in teaching, and intuitive property.
Description
Technical field
The utility model belongs to the teaching aid technical field, relates to a kind of vibration damper, particularly a kind of teaching dual-tube shock absorber.
Background technology
At present, along with improving constantly of technology, in order to make automobile in the process of moving, when running into broken terrain, vehicle body does not have violent shake, and to improve passenger's comfort level, this technology of mounting dampers is widely used on automobile.
Most widely used vibration damper is cylinder type damper on the existing automobile, cylinder type damper plays an important role at automobile, the vibration of car body effectively can decay, will be from the vibrational energy of wheel and vehicle body, the mode by the liquid throttling is converted into heat energy, when automobile vibration, the piston of vibration damper is with upper and lower motion, the fluid in throttling space of flowing through in the cylinder produces throttle, and the size of damping affect the body vibrations characteristic, the ride comfort of decision vehicle.Since cylinder type damper simple in structure, the manufacture process alignment error is little, high reliability, can be used as automotive steering vibration damper, Vibration damping of the driver's cab device, pilot set vibration damper, Engine Casing vibration damper, automotive seat vibration damper etc.; Also be widely used in simultaneously on other vehicular traffics that need vibration damping as damping means such as motorcycle, agricultural vehicle, panzer etc.
Because the application of cylinder type damper is very extensive, each vocational school, training organization, enterprises etc. have special technical training for cylinder type damper.Existing teaching dual-tube shock absorber, the inner structure of vibration damper is invisible, owing to cannot see vibration damper its inner course of work of when work, causes quality of instruction to be had a greatly reduced quality.In order to observe the inner structure of vibration damper, generally axially working cylinder and the fuel tank of vibration damper are cut away 1/4 along it, convenient its inner structure of observation, but the course of work was imperfect when this kind vibration damper was worked, and still had limitation during teaching.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, and a kind of teaching dual-tube shock absorber of course of work whole course visible is provided.
The purpose of this utility model can realize by following technical proposal: a kind of teaching dual-tube shock absorber, comprise piston rod, oil-sealing sleeve, oil sealing, piston, working cylinder and fuel tank, described oil-sealing sleeve and oil sealing are installed in the store oil nozzle, the mounting hole that described piston rod passes oil-sealing sleeve and oil sealing center stretches in the above-mentioned working cylinder, described piston is installed in the bottom of piston rod and is positioned at working cylinder, can drive piston when piston rod is stressed slides up and down in working cylinder, it is characterized in that, described working cylinder is to be made by transparent material, described fuel tank also is to be made by transparent material, can see through structure and work overall process that working cylinder and fuel tank are observed vibration damper inside.
The two ends of the fuel tank of this dual-tube shock absorber are airtight, one end of piston rod links to each other with vehicle body, one end of fuel tank links to each other with vehicle bridge, the vibration of vehicle makes piston rod drive piston and slides up and down in working cylinder, make the up and down both sides generation oil pressure of piston poor, pressure oil is subject to larger damping force when pushing retaining valve open, make the vibration damping of vehicle, makes Vehicle Driving Cycle steady.This teaching all is to be made by transparent material with working cylinder and the fuel tank of dual-tube shock absorber, and the observer can see through all structures that working cylinder and fuel tank are observed vibration damper inside, and the whole courses of work during vibration damper work, convenient teaching, and teaching is directly perceived.
With in the dual-tube shock absorber, described store oil nozzle also has guide holder in above-mentioned a kind of teaching, and described guide holder is between oil-sealing sleeve and working cylinder, and an end of guide holder seal operation cylinder, and above-mentioned piston rod passes the mounting hole at guide holder center.Guide holder makes piston rod move up and down skew about the Shi Buhui generation, piston is moved steadily, the week of piston fits tightly with the madial wall of working cylinder laterally, the interior pressure oil of chamber of both sides can be by the contact position circulation of piston and working cylinder up and down for piston, vibration damper decay Vehicular vibration is effective, and an end of guide holder seal operation cylinder can directly not circulate the interior pressure oil of working cylinder and the inert gas in the fuel tank.
With in the dual-tube shock absorber, have buffer stopper between described piston and the guide holder in above-mentioned a kind of teaching.Buffer stopper prevents vehicle when high vibration, and piston directly impinges upon on the orienting sleeve, and buffer stopper plays buffer action, reduces the dynamics of collision, makes orienting sleeve can not come off from the port of working cylinder the good sealing effect of guide holder.
With in the dual-tube shock absorber, have flowing valve and rebound valve in above-mentioned a kind of teaching on the described piston.Flowing valve and rebound valve all are retaining valves, are positioned at the up and down both sides of piston, the circulation of the pressure oil about the control piston in two side cavity, during the pressure oil circulation, flowing valve or rebound valve produce larger damping force to pressure oil, make the vibration damping of vehicle, make Vehicle Driving Cycle steady.
With in the dual-tube shock absorber, have compression valve and surge valve in above-mentioned a kind of teaching between the other end of described working cylinder and the fuel tank.Compression valve and surge valve all are retaining valves, are positioned at the both sides for shutoff working cylinder other end plug, and when piston moved up and down, pressure oil produced larger damping force by compression valve or surge valve, makes the vibration damping of vehicle, makes Vehicle Driving Cycle steady.
With in the dual-tube shock absorber, consist of the air-fuel mixture chamber in above-mentioned a kind of teaching between described fuel tank and the working cylinder.In-built some the inert gas of fuel tank.
With in the dual-tube shock absorber, described working cylinder and fuel tank are made by plexi-glass tubular in above-mentioned a kind of teaching.Plexi-glass tubular has heigh clarity, physical strength is high, lightweight and be easy to the advantages such as processing.
Compared with prior art, the teaching that the utility model provides all is to be made by plexi-glass tubular with working cylinder and the fuel tank of dual-tube shock absorber, transparency is high, the observer can see by working cylinder and fuel tank the structure of vibration damper inside, and whole courses of work in dual-tube shock absorber when work, convenient teaching, teaching is directly perceived.
Description of drawings
Fig. 1 is the one-piece construction cut-open view that dual-tube shock absorber is used in this teaching.
Among the figure, 1, piston rod; 2, oil-sealing sleeve; 3, oil sealing; 4, piston; 5, working cylinder; 6, fuel tank; 7, guide holder; 8, buffer stopper; 9, compression valve; 10, surge valve; 11, flowing valve; 12, rebound valve; 13, air-fuel mixture chamber.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
This teaching is a kind of educational aid that each vocational school, training organization, enterprises etc. are used for the technical training of cylinder type damper with dual-tube shock absorber.As shown in Figure 1, it comprises piston rod 1, oil-sealing sleeve 2, oil sealing 3, piston 4, working cylinder 5 and fuel tank 6.
Working cylinder 5 also is to be made by plexi-glass tubular, the other end has plug, the chamber of working cylinder 5 interior formation and the chamber isolation of fuel tank 6 formation are opened, form an air-fuel mixture chamber 13 between the inboard of the outside of working cylinder 5 and fuel tank 6, the both sides of plug have respectively a compression valve 9 and a surge valve 10, be used for pressure oil in working cylinder 5 chamber and the circulation between the air-fuel mixture chamber 13
Vehicle can produce up-down vibration in the process of moving, and the chamber of piston 4 upsides in the working cylinder 5 is decided to be chamber one, and the chamber of piston 4 downsides is decided to be chamber two.When Vehicular vibration drive piston rod 1 moves down, piston rod 1 pushing piston 4 moves down, the volume reducing of chamber two, oil pressure raises, the volume of chamber one increases, the pressure of chamber two is higher than the pressure of chamber one, pressure oil backs down flowing valve 11 and enters chamber one, because the piston rod 1 of chamber one stretches into the volume of the part that accounts for, cause the pressure oil of chamber two can not all flow in the chamber one, unnecessary pressure oil backs down compression valve 9 and enters in the air-fuel mixture chamber 13, and pressure oil produces certain damping force when flowing through flowing valve 11 and compression valve 9, the vibration of decay vehicle.On Vehicular vibration drive piston rod 1 moves up, piston rod 1 pulling piston 4 moves up, the volume reducing of chamber one, the volume of chamber two increases, the oil pressure of chamber one is higher than the oil pressure of chamber two, pressure oil backs down rebound valve 12 and flows into chamber two, because the existence of piston rod 1, make chamber two produce certain vacuum tightness, pressure oil in the air-fuel mixture chamber 13 backs down surge valve 10 and flows into chamber two under the effect of pull of vacuum, when pressure oil is flowed through rebound valve 12 and surge valve 10, produce larger damping force, the vibration of decay vehicle makes Vehicle Driving Cycle steady.
Because this teaching all is to be made by plexi-glass tubular with working cylinder 5 and the fuel tank 6 of monotubular shock absorber, transparency is high, namely can see through the inner structure that working cylinder 5 and fuel tank 6 are seen whole vibration damper, and when vibration damper is worked, can also observe the whole course of work of vibration damper inside, convenient teaching, teaching is directly perceived.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used the terms such as piston rod 1, oil-sealing sleeve 2, oil sealing 3, piston 4, working cylinder 5, fuel tank 6, guide holder 7, buffer stopper 8, compression valve 9, surge valve 10, flowing valve 11, rebound valve 12, air-fuel mixture chamber 13, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (7)
1. teaching dual-tube shock absorber, comprise piston rod (1), oil-sealing sleeve (2), oil sealing (3), piston (4), working cylinder (5) and fuel tank (6), described oil-sealing sleeve (2) and oil sealing (3) are installed in fuel tank (6) mouth, the mounting hole that described piston rod (1) passes oil-sealing sleeve (2) and oil sealing (3) center stretches in the above-mentioned working cylinder (5), described piston (4) is installed in the bottom of piston rod (1) and is positioned at working cylinder (5), can drive piston (4) when piston rod (1) is stressed slides up and down in working cylinder (5), it is characterized in that, described working cylinder (5) is to be made by transparent material, described fuel tank (6) also is to be made by transparent material, can see through structure and work overall process that working cylinder (5) and fuel tank (6) are observed vibration damper inside.
2. teaching dual-tube shock absorber according to claim 1, it is characterized in that, described fuel tank (6) mouth also has guide holder (7), described guide holder (7) is positioned between oil-sealing sleeve (2) and the working cylinder (5), and an end of guide holder (7) seal operation cylinder (5), above-mentioned piston rod (1) passes the mounting hole at guide holder (7) center.
3. teaching dual-tube shock absorber according to claim 2 is characterized in that, has buffer stopper (8) between described piston (4) and the guide holder (7).
4. according to claim 1 and 2 or 3 described teaching dual-tube shock absorber, it is characterized in that having flowing valve (11) and rebound valve (12) on the described piston (4).
5. according to claim 1 and 2 or 3 described teaching dual-tube shock absorber, it is characterized in that having compression valve (9) and surge valve (10) between the other end of described working cylinder (5) and the fuel tank (6).
6. according to claim 1 and 2 or 3 described teaching dual-tube shock absorber, it is characterized in that, consist of air-fuel mixture chamber (13) between described fuel tank (6) and the working cylinder (5).
7. according to claim 1 and 2 or 3 described teaching dual-tube shock absorber, it is characterized in that, described working cylinder (5) and fuel tank (6) are made by plexi-glass tubular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220506016 CN202855179U (en) | 2012-09-28 | 2012-09-28 | Double-cylinder shock absorber used for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220506016 CN202855179U (en) | 2012-09-28 | 2012-09-28 | Double-cylinder shock absorber used for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855179U true CN202855179U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220506016 Expired - Lifetime CN202855179U (en) | 2012-09-28 | 2012-09-28 | Double-cylinder shock absorber used for teaching |
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| Country | Link |
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| CN (1) | CN202855179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948642A (en) * | 2015-06-29 | 2015-09-30 | 广西大学 | Damper automatically preventing car body from being inclined |
| CN106875808A (en) * | 2017-02-13 | 2017-06-20 | 石家庄铁道大学 | Magneto-rheological vibration damper hardware in loop experimental system |
-
2012
- 2012-09-28 CN CN 201220506016 patent/CN202855179U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948642A (en) * | 2015-06-29 | 2015-09-30 | 广西大学 | Damper automatically preventing car body from being inclined |
| CN106875808A (en) * | 2017-02-13 | 2017-06-20 | 石家庄铁道大学 | Magneto-rheological vibration damper hardware in loop experimental system |
| CN106875808B (en) * | 2017-02-13 | 2019-07-30 | 石家庄铁道大学 | Magneto-rheological vibration damper hardware in loop experimental system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
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| CX01 | Expiry of patent term |