CN202790490U - Internal respiration type three-position cylinder assembly - Google Patents
Internal respiration type three-position cylinder assembly Download PDFInfo
- Publication number
- CN202790490U CN202790490U CN 201220429682 CN201220429682U CN202790490U CN 202790490 U CN202790490 U CN 202790490U CN 201220429682 CN201220429682 CN 201220429682 CN 201220429682 U CN201220429682 U CN 201220429682U CN 202790490 U CN202790490 U CN 202790490U
- Authority
- CN
- China
- Prior art keywords
- working
- cavity
- location
- air chamber
- piston
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses an internal respiration formula tribit cylinder assembly, including the cylinder block, the cylinder block passes through the cavity baffle and separates into location cavity and work cavity, location cavity and the coaxial arrangement of work cavity, establish the location piston in the location cavity, establish the work piston in the work cavity, the location piston separates into location air chamber and non-working air chamber with the location cavity, the work piston separates into first working air chamber and second working air chamber with the work cavity, location piston fixed connection location piston axle, working piston fixed connection working piston axle, the location piston axle passes the cavity baffle and can withhold the working piston, set up the internal respiration hole that communicates non-working air chamber and first working air chamber on the cavity baffle, set up first air vent on the location air chamber, set up the second air vent on the first working air chamber, set up the third air vent on the second working air chamber. The utility model discloses there is not the inspiratory operating condition from the external world in non-working chamber in whole working process, has avoided outside dust to get into inside the cylinder like this.
Description
Technical field
The utility model relates to a kind of three cylinders, refers to particularly three cylinder assemblies of a kind of internal respiration type.
Background technique
Existing AMT(Automated Mechanical Transmission, the electrical control automatic manual transmission case) with three cylinder assemblies, the general employing as the middle structure of putting down in writing of the utility model patent " electric-controlled pneumatic automatic mechanical speed variator shift-selecting and changing actuating mechanism assembly " of patent announcement ZL200620097228.8 or CN202251917 U utility model patent " a kind of AMT with three cylinder assemblies ".Three cylinders are comprised of two pistons, two cylinder bodies in this assembly, thereby cylinder block is divided into three working cavities and an inoperative cavity.But not working cavity has the pneumostome of an installation breather plug to be communicated with ambient air for avoiding the motion negative pressure.But in actual use, because this cavity volume is in continuous variation, the pneumostome air that ceaselessly sucks or breathe out, extraneous dust and impurity easily enter in the cylinder, cause that the cylinder seal circle damages, assembly failure.
Summary of the invention
The purpose of this utility model is for above-mentioned technical problem, provides a kind of electropneumatic internal respiration type three cylinder assemblies, and this cylinder assembly can avoid extraneous dust and impurity to enter the inoperative cavity fully, and reduces cost.
For realizing this purpose, three cylinder assemblies of internal respiration type that the utility model is designed, comprise cylinder block, described cylinder block becomes location cavity and working cavity by the cavity baffle for separating, described location cavity and working cavity coaxial arrangement, be provided with positioning piston in the cavity of described location, be provided with working piston in the described working cavity, described positioning piston will be located cavity and will be divided into location air chamber and inoperative air chamber, described working piston is divided into the first work air chamber and the second work air chamber with working cavity, described positioning piston is fixedly connected with the positioning piston axle, described working piston is fixedly connected with the working piston axle, described positioning piston axle passes the cavity dividing plate and can withstand working piston, the working surface area of positioning piston is greater than the working surface area of working piston, it is characterized in that: offer the internal respiration hole that is communicated with inoperative air chamber and the first work air chamber on the described cavity dividing plate, offer the first vent on the air chamber of described location, offer the second vent on the first work air chamber, offer the 3rd vent on the second work air chamber.
In the technique scheme, it also comprises location solenoid valve, the first working electromagnet valve and the second working electromagnet valve, the location solenoid valve suction port of described location solenoid valve connects source of the gas, the solenoid valve air outlet, location of location solenoid valve connects the first vent, and the location solenoid valve relief opening of location solenoid valve connects total relief opening; The first working electromagnet valve suction port of described the first working electromagnet valve connects source of the gas, and the first working electromagnet valve air gate of the first working electromagnet valve connects the second vent, and the first working electromagnet valve outlet of the first working electromagnet valve connects total relief opening; The second working electromagnet valve suction port of described the second working electromagnet valve connects source of the gas, and the second working electromagnet valve air gate of the second working electromagnet valve connects the 3rd vent, and the second working electromagnet valve outlet of the second working electromagnet valve connects total relief opening.
Described location solenoid valve, the first working electromagnet valve and the second working electromagnet valve are the two-bit triplet solenoid valve.
Be provided with the limit on the left limiting stopper and the limit on the right-right-hand limit limiting stopper that cooperate with positioning piston in the cavity of described location, be provided with the limit on the right-right-hand limit limiting stopper that cooperates with working piston in the described working cavity.
The utility model is by arranging the internal respiration hole that is communicated with inoperative air chamber and the first work air chamber, so that when inoperative air chamber Volume Changes, gas communicates with atmosphere by the first work air chamber, the first working electromagnet valve, the first working electromagnet valve outlet and total relief opening.Just there be not the working state air-breathing from the external world in the inoperative air chamber in whole working procedure like this, and the air-breathing of inoperative air chamber provided by source of the gas.So just avoid extraneous dust to enter cylinder interior, and saved a breather plug, reduced cost.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the left position of work of the present utility model schematic representation;
Fig. 3 is the right position of work of the present utility model schematic representation;
Wherein, 1-cylinder block, 1.1-cavity dividing plate, 2-positioning piston, 2.1-positioning piston axle, 3-working piston, 3.1-working piston axle, 4-total relief opening, 5-internal respiration hole, 5.1 the-the first vent, 5.2 the-the second vent, 5.3 the-the three vent, 6-location solenoid valve, the 7-the first working electromagnet valve, the 8-the second working electromagnet valve, 9-limit on the left limiting stopper, 10-limit on the right-right-hand limit limiting stopper, 11-location solenoid valve suction port, the 12-the first working electromagnet valve suction port, the 13-the second working electromagnet valve suction port, solenoid valve air outlet, 21-location, the 22-the first working electromagnet valve air gate, the 23-the second working electromagnet valve air gate, 31-location solenoid valve relief opening, the 32-the first working electromagnet valve outlet, the 33-the second working electromagnet valve outlet, A-location cavity, A1-location air chamber, A2-inoperative air chamber, B-working cavity, B1-first air chamber of working, B2-second air chamber of working, C-source of the gas.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Three cylinder assemblies of internal respiration type shown in Fig. 1 ~ 3, comprise cylinder block 1, cylinder block 1 is separated into location cavity A and working cavity B by cavity dividing plate 1.1, location cavity A and working cavity B coaxial arrangement, be provided with positioning piston 2 in the cavity A of location, be provided with working piston 3 in the working cavity B, positioning piston 2 will be located cavity A and will be divided into location air chamber A1 and inoperative air chamber A2, working piston 3 is divided into the first work air chamber B1 and the second work air chamber B2 with working cavity B, positioning piston 2 is fixedly connected with positioning piston axle 2.1, working piston 3 is fixedly connected with working piston axle 3.1, positioning piston axle 2.1 passes cavity dividing plate 1.1 and can withstand working piston 3, the working surface area of positioning piston 2 is greater than the working surface area of working piston 3, offer the internal respiration hole 5 that is communicated with inoperative air chamber A2 and the first work air chamber B1 on the cavity dividing plate 1.1, offer the first vent 5.1 on the air chamber A1 of location, offer on the first work air chamber B1 on the second vent 5.2, the second work air chamber B2 and offer the 3rd vent 5.3.Said structure has avoided extraneous dust to enter cylinder interior, and has saved a breather plug, has reduced cost.
In the technique scheme, it also comprises location solenoid valve 6, the first working electromagnet valve 7 and the second working electromagnet valve 8, the location solenoid valve suction port 11 of location solenoid valve 6 connects source of the gas C, the solenoid valve air outlet, location 21 of location solenoid valve 6 connects the first vent 5.1, and the location solenoid valve relief opening 31 of location solenoid valve 6 connects total relief opening 4; The first working electromagnet valve suction port 12 of the first working electromagnet valve 7 connects source of the gas C, the first working electromagnet valve outlet 32 that the first working electromagnet valve air gate 22 of the first working electromagnet valve 7 connects the second vent 5.2, the first working electromagnet valves 7 connects total relief opening 4; The second working electromagnet valve suction port 13 of the second working electromagnet valve 8 connects source of the gas C, the second working electromagnet valve outlet 33 that the second working electromagnet valve air gate 23 of the second working electromagnet valve 8 connects the 3rd vent 5.3, the second working electromagnet valves 8 connects total relief opening 4.The utility model is provided with total relief opening of a unification and has further avoided extraneous dust to enter cylinder interior.
In the technique scheme, location solenoid valve 6, the first working electromagnet valve 7 and the second working electromagnet valve 8 are the two-bit triplet solenoid valve.
In the technique scheme, be provided with limit on the left limiting stopper 9 and the limit on the right-right-hand limit limiting stopper 10 that cooperates with positioning piston 2 in the cavity A of location, be provided with the limit on the right-right-hand limit limiting stopper 10 that cooperates with working piston 3 in the working cavity B.
During the utility model work: as shown in Figure 1, location solenoid valve 6 and 8 energisings of the second working electromagnet valve, pressurized gas is from source of the gas C, through the location solenoid valve suction port 11 of locating solenoid valve 6, the second working electromagnet valve suction port 13, the second working electromagnet valve air gate 23 of locating solenoid valve air outlet 21 and the second working electromagnet valve 8, enter location air chamber A1 and the second work air chamber B2 respectively.The move right limit on the right-right-hand limit limiting stopper 10 of limit position and the cavity A that is positioned of positioning piston 2 is spacing.And working piston 3 is moved to the left, until knock on the positioning piston axle 2.1 of positioning piston axle 2; Because the working surface area of positioning piston 2 is greater than the working surface area of working piston 3, working piston 3 has just stopped motion after knocking positioning piston 2.And the first working electromagnet valve is idle 7 this moments, and inoperative air chamber A2 and the first work air chamber B1 link to each other with total relief opening 4 through the second vent 5.2, the first working electromagnet valve air gate 22, the first working electromagnet valve outlet 32 by internal respiration hole 5.Unnecessary gas is discharged in the atmosphere by total relief opening 4 among inoperative air chamber A2 and the first work air chamber B1.This moment, working piston 3 namely mediated.
As shown in Figure 2,7 energisings of the first working electromagnet valve, pressurized gas is from source of the gas C, the first working electromagnet valve suction port 12, the first working electromagnet valve air gate 22, the second vent 5.2 through the first working electromagnet valve 7, enter the first work air chamber B1, and entering inoperative air chamber A2 through internal respiration hole 5, all the other two air chambers are communicated with total relief opening 4 by location solenoid valve 6 and the second working electromagnet valve 8 respectively, are equivalent to lead to atmosphere.Be full of pressurized air in the first work air chamber B1 and the inoperative air chamber A2.Positioning piston 2 be moved to the left to limit position and the limit on the left limiting stopper 9 of the cavity A that is positioned spacing, the limit position and spacing by the limit on the right-right-hand limit limiting stopper 10 in the working cavity B and working piston body 3 moves right.And unnecessary gas is discharged in the atmosphere by total relief opening 4 among location cavity A and the second work air chamber B2.Working piston axle 3 namely is in farthest right position at this moment.
As shown in Figure 3,8 energisings of the second working electromagnet valve, pressurized gas is from source of the gas C, the second working electromagnet valve suction port 13, the second working electromagnet valve air gate 23, the 3rd vent 5.3 through the second working electromagnet valve 8, enter the second work air chamber B2, its excess-three cavity is communicated with total relief opening 4 by location solenoid valve 6 and the first working electromagnet valve 7 respectively, is equivalent to logical atmosphere.Be full of pressurized air in the work air chamber B2 this moment second.Positioning piston 2 has been positioned at limit position, keeps motionless; Working piston 3 be moved to the left to limit position and the piston shaft 2.1 that is positioned spacing.And unnecessary gas is discharged in the atmosphere by total relief opening 4 among inoperative air chamber A2 and the first work air chamber B1.Working piston axle 3 namely is in leftmost position at this moment.
The content that this specification is not described in detail belongs to the known prior art of related domain professional and technical personnel.
Claims (4)
1. three cylinder assemblies of an internal respiration type, comprise cylinder block (1), described cylinder block (1) is separated into location cavity (A) and working cavity (B) by cavity dividing plate (1.1), described location cavity (A) and working cavity (B) coaxial arrangement, be provided with positioning piston (2) in the described location cavity (A), be provided with working piston (3) in the described working cavity (B), described positioning piston (2) will be located cavity (A) and will be divided into location air chamber (A1) and inoperative air chamber (A2), described working piston (3) is divided into the first work air chamber (B1) and the second work air chamber (B2) with working cavity (B), described positioning piston (2) is fixedly connected with positioning piston axle (2.1), described working piston (3) is fixedly connected with working piston axle (3.1), described positioning piston axle (2.1) passes cavity dividing plate (1.1) and can withstand working piston (3), the working surface area of described positioning piston (2) is greater than the working surface area of working piston (3), it is characterized in that: offer the internal respiration hole (5) that is communicated with inoperative air chamber (A2) and the first work air chamber (B1) on the described cavity dividing plate (1.1), offer the first vent (5.1) on the described location air chamber (A1), offer the second vent (5.2) on the first work air chamber (B1), offer the 3rd vent (5.3) on the second work air chamber (B2).
2. three cylinder assemblies of internal respiration type according to claim 1, it is characterized in that: it also comprises location solenoid valve (6), the first working electromagnet valve (7) and the second working electromagnet valve (8), the location solenoid valve suction port (11) of described location solenoid valve (6) connects source of the gas (C), the solenoid valve air outlet, location (21) of location solenoid valve (6) connects the first vent (5.1), and the location solenoid valve relief opening (31) of location solenoid valve (6) connects total relief opening (4); The first working electromagnet valve suction port (12) of described the first working electromagnet valve (7) connects source of the gas (C), the first working electromagnet valve air gate (22) of the first working electromagnet valve (7) connects the second vent (5.2), and the first working electromagnet valve outlet (32) of the first working electromagnet valve (7) connects total relief opening (4); The second working electromagnet valve suction port (13) of described the second working electromagnet valve (8) connects source of the gas (C), the second working electromagnet valve air gate (23) of the second working electromagnet valve (8) connects the 3rd vent (5.3), and the second working electromagnet valve outlet (33) of the second working electromagnet valve (8) connects total relief opening (4).
3. three cylinder assemblies of internal respiration type according to claim 2, it is characterized in that: described location solenoid valve (6), the first working electromagnet valve (7) and the second working electromagnet valve (8) are the two-bit triplet solenoid valve.
4. according to claim 1 and 2 or three cylinder assemblies of 3 described internal respiration types, it is characterized in that: be provided with the limit on the left limiting stopper (9) and the limit on the right-right-hand limit limiting stopper (10) that cooperate with positioning piston (2) in the described location cavity (A), be provided with the limit on the right-right-hand limit limiting stopper (10) that cooperates with working piston (3) in the described working cavity (B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220429682 CN202790490U (en) | 2012-08-28 | 2012-08-28 | Internal respiration type three-position cylinder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220429682 CN202790490U (en) | 2012-08-28 | 2012-08-28 | Internal respiration type three-position cylinder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790490U true CN202790490U (en) | 2013-03-13 |
Family
ID=47817755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220429682 Expired - Lifetime CN202790490U (en) | 2012-08-28 | 2012-08-28 | Internal respiration type three-position cylinder assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790490U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726867A (en) * | 2014-01-16 | 2014-04-16 | 华北科技学院 | Remote automatic sealing system and method for coal mine |
| CN103982642A (en) * | 2014-05-12 | 2014-08-13 | 天津市松正电动汽车技术股份有限公司 | Shift actuator of transmission, shifting method and vehicle |
| CN107542720A (en) * | 2016-06-28 | 2018-01-05 | 河南航天液压气动技术有限公司 | A kind of new three cylinders |
| CN108386406A (en) * | 2018-01-31 | 2018-08-10 | 东风商用车有限公司 | A kind of air cylinder structure and its application process |
-
2012
- 2012-08-28 CN CN 201220429682 patent/CN202790490U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726867A (en) * | 2014-01-16 | 2014-04-16 | 华北科技学院 | Remote automatic sealing system and method for coal mine |
| CN103726867B (en) * | 2014-01-16 | 2016-06-01 | 华北科技学院 | A kind of colliery remote auto closed system and method |
| CN103982642A (en) * | 2014-05-12 | 2014-08-13 | 天津市松正电动汽车技术股份有限公司 | Shift actuator of transmission, shifting method and vehicle |
| CN107542720A (en) * | 2016-06-28 | 2018-01-05 | 河南航天液压气动技术有限公司 | A kind of new three cylinders |
| CN108386406A (en) * | 2018-01-31 | 2018-08-10 | 东风商用车有限公司 | A kind of air cylinder structure and its application process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202790490U (en) | Internal respiration type three-position cylinder assembly | |
| CN201568497U (en) | Double-acting brake wheel cylinder assembly | |
| CN2846243Y (en) | Inner respiratory type spring brake air chamber | |
| CN202302237U (en) | Pneumatically-controlled stop valve | |
| CN201568502U (en) | Single-acting braking wheel cylinder assembly | |
| CN105545858B (en) | A kind of special Pneumatic valve of pneumohydraulic pressure-cylinder and pneumohydraulic pressure-cylinder | |
| CN103438238B (en) | Three way type Pilot operated check valve | |
| CN103511382A (en) | Mechanical transmission pressurization cylinder mechanism | |
| CN202023786U (en) | Butterfly valve switch cylinder | |
| CN201225444Y (en) | Two-stage piloted main control type hydraulic two-way cartridge valve | |
| CN203286053U (en) | Straight-through type quick exhaust valve | |
| CN202971410U (en) | Double-stroke cylinder | |
| CN101463843A (en) | Gas-saving type gas supercharger with variable actuating pressure | |
| CN2661963Y (en) | Pneumatic diaphragm pump | |
| CN204961435U (en) | Quick pressurized cylinder is kept apart to oil gas | |
| CN201963778U (en) | Air cylinder assembly of brake system of automobile or engineering machinery | |
| CN201992123U (en) | Matching valve for brake system of heavy truck | |
| CN201614955U (en) | PCV of supercharged engine | |
| CN201693796U (en) | Multipurpose pressure device | |
| CN202300939U (en) | Cylinder structure of air booster pump | |
| CN202300938U (en) | Air cylinder structure of air boosting pump | |
| CN204459204U (en) | A kind of novel gas path control valve | |
| CN205371770U (en) | Take pneumatic actuator of manually operation device with atmospheric pressure balance function | |
| CN202300910U (en) | Air booster pump structure | |
| CN203322100U (en) | Clutch booster |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG COMMERCIAL VEHICLE CO., LTD. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20131120 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN, HUBEI PROVINCE TO: 442001 SHIYAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131120 Address after: Shiyan City, Hubei province 442001 City Road No. 2 District zhangjiewan Patentee after: Dongfeng Commercial Vehicle Co.,Ltd. Address before: 430056 Dongfeng Road, Wuhan Economic & Technological Development Zone, Hubei, Wuhan, China, No. 10 Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |