CN202579713U - Pneumatic double-clutch actuating mechanism - Google Patents

Pneumatic double-clutch actuating mechanism Download PDF

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Publication number
CN202579713U
CN202579713U CN 201220199154 CN201220199154U CN202579713U CN 202579713 U CN202579713 U CN 202579713U CN 201220199154 CN201220199154 CN 201220199154 CN 201220199154 U CN201220199154 U CN 201220199154U CN 202579713 U CN202579713 U CN 202579713U
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CN
China
Prior art keywords
piston
air chamber
solenoid valve
double clutch
actuator
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
Application number
CN 201220199154
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Chinese (zh)
Inventor
徐永久
张国强
于俊鹏
赵鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Commercial Vehicle Co Ltd
Original Assignee
Dongfeng Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongfeng Motor Co Ltd filed Critical Dongfeng Motor Co Ltd
Priority to CN 201220199154 priority Critical patent/CN202579713U/en
Application granted granted Critical
Publication of CN202579713U publication Critical patent/CN202579713U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

The utility model discloses a pneumatic double clutch actuating mechanism, including the double clutch actuating mechanism casing that has first air chamber and second air chamber, arrange the first piston in the first air chamber in and arrange the second piston in the second air chamber in, the piston rod of first piston is connected with first clutch bearing, and the piston rod of second piston is connected with second clutch bearing, all be equipped with return spring on first piston and the second piston and sensor trigger element is equipped with on the double clutch actuating mechanism casing with sensor trigger element complex displacement sensor, all be equipped with respectively by the inlet channel and the exhaust passage that solenoid valve control was cut off in first air chamber and the second air chamber, the solenoid valve is connected with the electrical unit. The utility model discloses a two air chambers independently set up, need not carry out the movive seal between two air chambers, and the leakproofness is guaranteed easily. Additionally, the utility model discloses the displacement sensor and the solenoid valve that set up have strengthened pneumatic double clutch actuating mechanism's integrated level.

Description

A kind of pneumatic double clutch actuator
Technical field
The utility model relates to the clutch actuating mechanism technical field, is specifically related to a kind of pneumatic double clutch actuator.
Background technique
Because AMT (Automated Mechanical Transmission; Automatic transmission) car will cut off power when gearshift; Power cut and can cause the impact of transmission system when engaging once more; The process of power cut has simultaneously also caused power loss, influences the riding comfort and the power character of vehicle.Cut off the problem that power shfit brings for fundamentally solving AMT; A kind of double-clutch automatic gearbox (DCT) has appearred in recent years; DCT can utilize the characteristics of double clutch to make vehicle block selecting automatically under the unbroken situation of power; Promptly shift gears through the switching between two clutches and realize the automatic control to gearbox, it is simpler that the driving variable of automobile is got, but also the travelling comfort, power character and the Security that have improved automobile effectively.And the actuator of double clutch realizes the double clutch pith, makes two clutch time-sharing works with driving force can for double clutch, and then make vehicle under the unbroken situation of power, realize shifting gears.
Number of patent application is that the Chinese patent of ZL200510060071.1 discloses a kind of automobile and uses the double clutch hydraulic clutch release system; Said hydraulic clutch release system has two pistons that in a housing, are arranged coaxially to each other; Each cup spring in affiliated cylinder chamber the relative movement of these pistons in order to handle double clutch, and outer surface contacts with each other.A cylinder chamber is enclosed within outside another cylinder chamber in the structure of this patent, need carry out motive sealing between such two pistons, and sealing is difficult to guarantee, the structure of above-mentioned patent can not integrated displacement sensor and control electromagnetic valve simultaneously, and its level of integration is relatively poor.
The model utility content
The purpose of the utility model is to above-mentioned technical problem, and a kind of pneumatic double clutch actuator is provided, and this mechanism can guarantee sealability, increases level of integration.
For realizing this purpose; The utility model designed pneumatic double clutch actuator; It comprises double clutch actuator housing with first air chamber and second air chamber, places the first piston in first air chamber and places second piston in second air chamber that wherein, the piston rod of first piston is connected with the first clutch bearing; The piston rod of second piston is connected with the second clutch bearing; It is characterized in that: said first air chamber and second air chamber are arranged side by side, and all are equipped with return spring and sensor-triggered element on the said first piston and second piston, and double clutch actuator housing is provided with the displacement transducer that cooperates with the sensor-triggered element; Be equipped with the gas-entered passageway and the exhaust passage of being cut-off by electromagnetic valve respectively in said first air chamber and second air chamber, solenoid valve is connected with ECU.
Said double clutch actuator housing is made up of cylinder rear end cover, cylinder front cover and cylinder block, surrounds first air chamber between cylinder front cover and the cylinder block, surrounds second air chamber between cylinder rear end cover and the cylinder block.
Said first piston is socketed on the piston rod of second piston, and the first piston and second piston can slide relative.
The said first piston and second piston are coaxial arrangement.
The solenoid valve of controlling said gas-entered passageway break-make is the air inlet solenoid valve, and the solenoid valve of controlling said exhaust passage break-make is an exhaust solenoid valve, and unite said gas-entered passageway and exhaust passage is to insert air chamber behind the passage.
Said double clutch actuator housing is provided with solenoid valve seat, and air inlet solenoid valve and exhaust solenoid valve all are installed on the solenoid valve seat.
Said sensor-triggered element is a magnet ring.
The beneficial effect of the utility model is: two air chambers of the utility model independently are provided with, and need not carry out motive sealing between the 2 air chambers, and sealing guarantees easily.In addition, the displacement transducer of the utility model setting and solenoid valve have strengthened the level of integration of pneumatic double clutch actuator.
Description of drawings
Fig. 1 is the plan view of the utility model;
Fig. 2 is the sectional view of the utility model;
Fig. 3 is the right elevation of the utility model;
Fig. 4 is the structural representation of the solenoid valve seat part of the utility model.
Wherein a-first air chamber, b-second air chamber, 1-first piston, 2-the second piston, 3-first clutch bearing, 4-second clutch bearing, 5-return spring, 6-magnet ring, 7-displacement transducer, 8-gas-entered passageway, 9-exhaust passage, 10-cylinder rear end cover, 11-cylinder front cover, 12-cylinder block, 13-air inlet solenoid valve, 14-exhaust solenoid valve, 15-solenoid valve seat.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further to specify:
Like the described a kind of double clutch in Fig. 1 ~ 4 actuator; It comprises double clutch actuator housing with the first air chamber a and second air chamber b, places the first piston 1 in the first air chamber a and places second piston 2 in the second air chamber b; Double clutch actuator housing is made up of cylinder rear end cover 10, cylinder front cover 11 and cylinder block 12; Surround the first air chamber a between cylinder front cover 11 and the cylinder block 12; Surround the second air chamber b between cylinder rear end cover 10 and the cylinder block 12, the end that the end of the piston rod of first piston 1 is connected with the piston rod of first clutch bearing 3, the second pistons 2 is connected with second clutch bearing 4; The said first air chamber a and the second air chamber b are arranged side by side; All be equipped with return spring 5 and magnet ring 6 on the first piston 1 and second piston 2, cylinder block 12 is provided with the displacement transducer 7 that cooperates with magnet ring 6, and magnet ring 6 is used for passing to displacement transducer 7 to the motion state of piston; Be equipped with the gas-entered passageway 8 and exhaust passage 9 that are cut-off by electromagnetic valve respectively in the first air chamber a and the second air chamber b, solenoid valve is through air inlet in the control air chamber and exhaust application piston stretching in air chamber.Solenoid valve is connected with ECU, thereby comes control electromagnetic valve control piston stretching in air chamber by ECU.
In the technique scheme, the first piston 1 and second piston 2 are coaxial arrangement, and first piston 1 is socketed on the piston rod of second piston 2 first piston 1 and second piston, 2 ability slide relative.
In the technique scheme; The solenoid valve of controlling said gas-entered passageway 8 break-makes is an air inlet solenoid valve 13; The solenoid valve of controlling said exhaust passage 9 break-makes is an exhaust solenoid valve 14; Double clutch actuator housing is provided with two solenoid valve seats 15, and air inlet solenoid valve 13 is installed on respectively on the corresponding solenoid valve seat 15 with exhaust solenoid valve 14.It is to insert air chamber behind the passage that gas-entered passageway 8 is united with exhaust passage 9.
The working procedure of the utility model is: the air inlet solenoid valve 13 that ECU is controlled the first air chamber a makes pressurized gas pass through the gas-entered passageway 8 entering first air chamber a, and pressurized gas promote first piston 1 and move right, and promote first clutch bearing 3 and make clutch work.Close air inlet solenoid valve 13, pressurized gas continue to remain in the first air chamber a, can make clutch in running order always.Control exhaust solenoid valve 14 makes win air chamber a and atmosphere, and to atmosphere, first piston 1 is got back to initial position to pressurized gas under the effect of the diaphragm spring pretightening force of return spring 5 and clutch from first air chamber a row.Displacement transducer 7 on the cylinder block 12 is through position that is contained in the magnet ring 6 perception first pistons 1 on the first piston 1 and then the working condition of feeding back clutch.The air inlet solenoid valve 13 that ECU is similarly controlled the second air chamber b makes pressurized gas pass through the gas-entered passageway 8 entering second air chamber b, and pressurized gas promote second piston 2 and move right, and promote second clutch bearing 4 and make clutch work.Close air inlet solenoid valve 13, pressurized gas continue to remain in the second air chamber b, can make clutch in running order always.Control exhaust solenoid valve 14 makes second air chamber b and the atmosphere, and to atmosphere, second piston 2 is got back to initial position to pressurized gas under the effect of the diaphragm spring pretightening force of return spring 5 and clutch from second air chamber b row.Displacement transducer 7 on the cylinder block 12 is through position that is contained in magnet ring 6 perception second piston 2 on second piston 2 and then the working condition of feeding back clutch.
In the utility model; The mechanism that handles first clutch bearing 3 integrates and can independently control with the mechanism that handles second clutch bearing 4; ECU is handled the double clutch time-sharing work through the composite control to them, and then makes vehicle under the unbroken situation of power, realize gearshift.
The content that this specification is not done to describe in detail belongs to related domain professional and technical personnel's known prior art.

Claims (7)

1. pneumatic double clutch actuator; It comprises double clutch actuator housing with first air chamber (a) and second air chamber (b), places first piston (1) second piston (2) interior with placing second air chamber (b) in first air chamber (a); Wherein, The piston rod of first piston (1) is connected with first clutch bearing (3); The piston rod of second piston (2) is connected with second clutch bearing (4); It is characterized in that: said first air chamber (a) and second air chamber (b) are arranged side by side, and all are equipped with return spring (5) and sensor-triggered element on said first piston (1) and second piston (2), and double clutch actuator housing is provided with the displacement transducer (7) that cooperates with the sensor-triggered element; Be equipped with gas-entered passageway (8) and exhaust passage (9) of being cut-off by electromagnetic valve respectively in said first air chamber (a) and second air chamber (b), solenoid valve is connected with ECU.
2. double clutch according to claim 1 actuator; It is characterized in that: said double clutch actuator housing is made up of cylinder rear end cover (10), cylinder front cover (11) and cylinder block (12); Surround first air chamber (a) between cylinder front cover (11) and the cylinder block (12), surround second air chamber (b) between cylinder rear end cover (10) and the cylinder block (12).
3. double clutch according to claim 1 and 2 actuator, it is characterized in that: said first piston (1) is socketed on the piston rod of second piston (2), and first piston (1) and second piston (2) can slide relative.
4. double clutch according to claim 3 actuator is characterized in that: said first piston (1) and second piston (2) are coaxial arrangement.
5. double clutch according to claim 1 actuator; It is characterized in that: the solenoid valve of controlling said gas-entered passageway (8) break-make is air inlet solenoid valve (13); The solenoid valve of controlling said exhaust passage (9) break-make is exhaust solenoid valve (14), and unite said gas-entered passageway (8) and exhaust passage (9) is to insert air chamber behind the passage.
6. double clutch according to claim 5 actuator is characterized in that: said double clutch actuator housing is provided with solenoid valve seat (15), and air inlet solenoid valve (13) and exhaust solenoid valve (14) all are installed on the solenoid valve seat (15).
7. double clutch according to claim 1 actuator, it is characterized in that: said sensor-triggered element is magnet ring (6).
CN 201220199154 2012-05-04 2012-05-04 Pneumatic double-clutch actuating mechanism Expired - Lifetime CN202579713U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220199154 CN202579713U (en) 2012-05-04 2012-05-04 Pneumatic double-clutch actuating mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220199154 CN202579713U (en) 2012-05-04 2012-05-04 Pneumatic double-clutch actuating mechanism

Publications (1)

Publication Number Publication Date
CN202579713U true CN202579713U (en) 2012-12-05

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ID=47249127

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220199154 Expired - Lifetime CN202579713U (en) 2012-05-04 2012-05-04 Pneumatic double-clutch actuating mechanism

Country Status (1)

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CN (1) CN202579713U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103195834A (en) * 2013-03-30 2013-07-10 程玉保 Air conduction assembly
CN106286632A (en) * 2016-09-28 2017-01-04 江阴职业技术学院 Automobile gearbox double clutch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103195834A (en) * 2013-03-30 2013-07-10 程玉保 Air conduction assembly
CN103195834B (en) * 2013-03-30 2015-08-19 程玉保 Conductance assembly
CN106286632A (en) * 2016-09-28 2017-01-04 江阴职业技术学院 Automobile gearbox double clutch

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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: 20130906

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: 20130906

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: 20121205