CN204340574U - A kind of pressure adjustable type inflation/deflation circuit system - Google Patents
A kind of pressure adjustable type inflation/deflation circuit system Download PDFInfo
- Publication number
- CN204340574U CN204340574U CN201420704760.6U CN201420704760U CN204340574U CN 204340574 U CN204340574 U CN 204340574U CN 201420704760 U CN201420704760 U CN 201420704760U CN 204340574 U CN204340574 U CN 204340574U
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure
- tire
- air
- inflation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Check Valves (AREA)
- Control Of Fluid Pressure (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model relates to a kind of pressure adjustable type inflation/deflation circuit system, described system includes the Pneumatic valve (1), air receiver (2), check valve (3), air filter (5), electromagnetic valve (6), adjustable pressure-reducing valve (7), double gas control valve (8), swivel joint (9) and the single Pneumatic valve (10) that are connected successively, described Pneumatic valve (1) is connected with the outlet side of air pump, and described single Pneumatic valve (10) is connected with the valve of tire.A kind of pressure adjustable type inflation/deflation of the utility model circuit system, structure is simple and adopt same connection, same pipeline can realize inflation/deflation.
Description
Technical field
The utility model relates to a kind of inflation/deflation loop, especially relating to a kind of for carrying out pressure-adjustable inflation/deflation to the tire of the industrial wheeled equipments such as pneumatic tyred roller, belonging to the inflation/deflation technical field of off-the-road tyre.
Background technology
At present, according to construction requirement, during pneumatic tyred roller work, need to adjust tire pressure according to different operating modes, adjustment tire pressure needs to carry out inflation/deflation operation to the gas in tire;
Conventional pneumatic tyred roller air-charging and air-discharging system has two kinds of forms: a kind of is use external inflation pump to inflate tire, and venting is general, and just by manually pushing up tyre valve core, which efficiency is low, and operation is convenient not; Another kind adopts the air boosting pump of driving engine to inflate tire, but during the pneumatic tyred roller construction of construction working condition requirement, to different tire pressures be needed to carry out work according to different operating modes, but which can only one-way only operation, namely can only inflate, can not exit, even if exit, must go to remove gas ducting, by manually going venting, therefore which also cannot be applied to needs frequently to carry out inflation/deflation to adjust the occasion of tire pressure to tire; For this reason, Chinese patent ZL201110196331.3 discloses " a kind of combination valve for vehicle tire inflation/deflation ", this structure can utilize one group of equipment to realize inflation and venting, but, adopt two groups of pipelines during this structure inflation/deflation, not only make its complex structure, and when inflation/deflation switching is carried out to it, need equally to connect gas circuit to change, have impact on inflation/deflation efficiency.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provide a kind of structure simple and adopt same connection, pressure adjustable type inflation/deflation circuit system that same pipeline can realize inflation/deflation.
The purpose of this utility model is achieved in that
A kind of pressure adjustable type inflation/deflation circuit system, it is characterized in that: described system includes the Pneumatic valve, air receiver, check valve, air filter, electromagnetic valve, adjustable pressure-reducing valve, double gas control valve, swivel joint and the single Pneumatic valve that are connected successively, described Pneumatic valve is connected with the outlet side of air pump, and described single Pneumatic valve is connected with the valve of tire.
A kind of pressure adjustable type inflation/deflation of the utility model method: it is characterized in that:
During inflation:
Step 1.1: open electromagnetic valve, adjustment adjustable pressure-reducing valve is to the force value needed, the gas imported by air pump exports the gas of air pressure corresponding to adjustable pressure-reducing valve after Pneumatic valve, air receiver, check valve, air filter, electromagnetic valve and adjustable pressure-reducing valve, this gaseous tension pushes double gas control valve open, and after swivel joint, push single Pneumatic valve open, single Pneumatic valve is opened, and tire is connected with the gas in air flue, corresponding to above-mentioned adjustable pressure-reducing valve, the gas of air pressure enters tire, inflates tire;
Step 1.2: when inflation reaches desired value, shut electromagnetic valve, double gas control valve commutates under the effect of tyre side pressure, thus tire is switched to deflation status, now double gas control valve is directly connected with air to the gas in the air flue of single Pneumatic valve, because this insufficient pressure is to open single Pneumatic valve, single Pneumatic valve commutates closed under the action of the spring, and tire air is closed;
During venting:
Step 2.1: open electromagnetic valve, adjustment adjustable pressure-reducing valve is to the force value needed, the gas imported by air pump is through Pneumatic valve, air receiver, check valve, air filter, the gas of air pressure corresponding to adjustable pressure-reducing valve is exported after electromagnetic valve and adjustable pressure-reducing valve, this gas pushes double gas control valve open, single Pneumatic valve is pushed open after swivel joint, single Pneumatic valve is opened, link up tire and inflation air flue, high pressure gas in tire overcome inflation airway pressure and commutate to make double gas control valve, now the relief port of double gas control valve becomes throttle, owing to there being certain back pressure in air flue, single Pneumatic valve is opened by the back pressure in this air flue, high pressure gas in tire are discharged by double gas control valve, thus tire is exitted,
Step 2.2: when the gas in tire is lower than regulated value, inflation airway pressure promotes double gas control valve commutation, now shut electromagnetic valve, double gas control valve commutates under pressure again, and single Pneumatic valve commutates under the action of the spring, the gas now in air flue is directly connected with air, and insufficient pressure is to open single Pneumatic valve, single Pneumatic valve commutates closed under the action of the spring, and tire air is closed.
Compared with prior art, the beneficial effects of the utility model are:
The utility model structure is simple, easy to use, the inflation/deflation to tire can be realized by same gas circuit, and tire pressure can be adjusted in real time by adjustable pressure-reducing valve, thus make the tire applied on engineering truck of the present utility model can carry out tire pressure adjustment frequently to improve construction effect according to actual conditions.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of pressure adjustable type inflation/deflation of the utility model circuit system.
Wherein:
Pneumatic valve 1, air receiver 2, check valve 3, desiccant 4, air filter 5, electromagnetic valve 6, adjustable pressure-reducing valve 7, double gas control valve 8, swivel joint 9, single Pneumatic valve 10.
Detailed description of the invention
See Fig. 1, a kind of pressure adjustable type inflation/deflation circuit system that the utility model relates to, described system includes the Pneumatic valve 1, air receiver 2, check valve 3, air filter 5, electromagnetic valve 6, adjustable pressure-reducing valve 7, double gas control valve 8, swivel joint 9 and the single Pneumatic valve 10 that are connected successively, described Pneumatic valve 1 is connected with the outlet side of air pump, and described single Pneumatic valve 10 is connected with the valve of tire;
A kind of pressure adjustable type inflation/deflation of the utility model method:
During inflation:
Step 1.1: open electromagnetic valve 6, adjustment adjustable pressure-reducing valve 7 is to the force value (force value is now greater than the air pressure in tire) needed, the gas imported by air pump is through Pneumatic valve 1, air receiver 2, check valve 3, air filter 5, electromagnetic valve 6 and the rear gas exporting air pressure corresponding to adjustable pressure-reducing valve 7 of adjustable pressure-reducing valve 7, this gaseous tension pushes double gas control valve 8 open, and after swivel joint 9, push single Pneumatic valve 10 open, single Pneumatic valve 10 is opened, tire is connected with the gas in air flue, corresponding to above-mentioned adjustable pressure-reducing valve 7, the gas of air pressure enters tire, tire is inflated,
Step 1.2: when inflation reaches desired value, shut electromagnetic valve 6, double gas control valve 8 commutates under the effect of tyre side pressure, thus tire is switched to deflation status, now double gas control valve 8 is directly connected with air to the gas in the air flue of single Pneumatic valve 10, because this insufficient pressure is to open single Pneumatic valve 10, single Pneumatic valve 10 commutates under the action of the spring and closes, and tire air is closed
In the process of above-mentioned inflation, double gas control valve 8 is just equivalent to an adjustable relief valve, and response pressure is controlled by adjustable pressure-reducing valve 7;
During venting:
Step 2.1: open electromagnetic valve 6, adjustment adjustable pressure-reducing valve 7 is to the force value (force value is now less than the air pressure in tire) needed, the gas imported by air pump is through Pneumatic valve 1, air receiver 2, check valve 3, air filter 5, electromagnetic valve 6 and the rear gas exporting air pressure corresponding to adjustable pressure-reducing valve 7 of adjustable pressure-reducing valve 7, this gas pushes double gas control valve 8 open, single Pneumatic valve 10 is pushed open after swivel joint 9, single Pneumatic valve opens 10, link up tire and inflation air flue, high pressure gas in tire overcome inflation airway pressure and commutate to make double gas control valve 8, now the relief port of double gas control valve 8 becomes throttle, owing to there being certain back pressure in air flue, single Pneumatic valve 10 is opened by the back pressure in this air flue, high pressure gas in tire are discharged by double gas control valve 8, thus tire is exitted,
Step 2.2: when the force value that the gas in tire is adjusted lower than adjustable pressure-reducing valve 7, inflation airway pressure promotes double gas control valve 8 and commutates, now shut electromagnetic valve 6, double gas control valve 8 commutates under pressure again, and single Pneumatic valve 10 commutates under the action of the spring, the gas now in air flue is directly connected with air, and insufficient pressure is to open single Pneumatic valve 10, single Pneumatic valve 10 commutates under the action of the spring and closes, and tire air is closed.
Can when not changing gas circuit and connecting by above-mentioned steps, another same gas circuit carries out inflation/deflation, and compared to the aerating and exhaust device of routine, structure is simple, reduces the cost of the manufacturing;
In addition: it should be noted that above-mentioned detailed description of the invention is only a prioritization scheme of this patent, any change that those skilled in the art does according to above-mentioned design or improvement, all within the protection domain of this patent.
Claims (1)
1. a pressure adjustable type inflation/deflation circuit system, it is characterized in that: described system includes the Pneumatic valve (1), air receiver (2), check valve (3), air filter (5), electromagnetic valve (6), adjustable pressure-reducing valve (7), double gas control valve (8), swivel joint (9) and the single Pneumatic valve (10) that are connected successively, described Pneumatic valve (1) is connected with the outlet side of air pump, and described single Pneumatic valve (10) is connected with the valve of tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420704760.6U CN204340574U (en) | 2014-11-22 | 2014-11-22 | A kind of pressure adjustable type inflation/deflation circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420704760.6U CN204340574U (en) | 2014-11-22 | 2014-11-22 | A kind of pressure adjustable type inflation/deflation circuit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204340574U true CN204340574U (en) | 2015-05-20 |
Family
ID=53223870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420704760.6U Expired - Fee Related CN204340574U (en) | 2014-11-22 | 2014-11-22 | A kind of pressure adjustable type inflation/deflation circuit system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204340574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104385864A (en) * | 2014-11-22 | 2015-03-04 | 柳工无锡路面机械有限公司 | Adjustable pressure type inflation and deflation loop system and inflation and deflation method thereof |
-
2014
- 2014-11-22 CN CN201420704760.6U patent/CN204340574U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104385864A (en) * | 2014-11-22 | 2015-03-04 | 柳工无锡路面机械有限公司 | Adjustable pressure type inflation and deflation loop system and inflation and deflation method thereof |
| CN104385864B (en) * | 2014-11-22 | 2017-02-22 | 柳工无锡路面机械有限公司 | Adjustable pressure type inflation and deflation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103009938B (en) | Vehicle tire inflation system and control method | |
| US6269691B1 (en) | Automatic tire inflation system with booster pump | |
| NZ603711A (en) | Tire inflation system with discrete deflation circuit | |
| CN104385864A (en) | Adjustable pressure type inflation and deflation loop system and inflation and deflation method thereof | |
| CA2361362A1 (en) | Pressure-controlled three-way valve device for transport vehicle tires and remote pressure control method | |
| CN102529614A (en) | Automatic inflation pump | |
| WO2011001261A8 (en) | Vehicle tyre inflation systems | |
| US9902375B2 (en) | Device used for pressing air and/or tire sealant into a tire and a compression part | |
| CN204340574U (en) | A kind of pressure adjustable type inflation/deflation circuit system | |
| CN202656801U (en) | External tire pressure control device | |
| CN110303828B (en) | Air supply circuit of central tire inflation and deflation system | |
| CN201911372U (en) | Helmet air bag | |
| CN106427935A (en) | Quick-exhaust tyre inflator | |
| CN102407749B (en) | Rear axle airbag inflating and deflating system and three-axle vehicle using same | |
| CN201501389U (en) | Evacuating tire pressure gun | |
| CN105196826A (en) | Automatic inflation/deflation hydro-pneumatic suspension device | |
| CN204717078U (en) | Pressure controlled valve and air suspension | |
| CN204659382U (en) | A kind of triple-axle coach air suspension air-path control system | |
| CN203472435U (en) | Tire air pressure control system and machine with pneumatic tire | |
| CN207064553U (en) | A kind of automatic inflating control valve | |
| CN205034110U (en) | Gaseous one -way hand brake valve that passes through | |
| CN102446686A (en) | Two-channel fast aerating air channel | |
| CN219257312U (en) | Tire centralized inflation system and engineering vehicle | |
| CN216374497U (en) | Mining tire quick inflation and deflation combination tool | |
| TWI508879B (en) | Controlling assembly and wheel axle lifter using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20171122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |