CN207648015U

CN207648015U - Clutch booster

Info

Publication number: CN207648015U
Application number: CN201721391777.0U
Authority: CN
Inventors: 马靖
Original assignee: Zhejiang Keli Vehicle Control System Co Ltd
Current assignee: Zhejiang Keli Vehicle Control System Co Ltd
Priority date: 2017-10-26
Filing date: 2017-10-26
Publication date: 2018-07-24
Anticipated expiration: 2027-10-26

Abstract

The utility model is related to auto parts fields, disclose clutch booster, it includes the auxiliary pressurized mechanism of clutch booster and the work of assisted clutch booster, clutch booster includes clutch supercharger and provides the pump of hydraulic pressure for clutch booster, clutch supercharger is connect with pump by first supply pipe road, first supply pipe road is equipped with first check-valve, second supply pipe road is connected on first supply pipe road, the both ends in second supply pipe road connect with first supply pipe road and are located at first check-valve both sides, second supply pipe road is connected as fluid pressurization for pressurizeing to the fluid in clutch supercharger with auxiliary pressurized mechanism.The utility model increase auxiliary pressurized mechanism carry out accumulation of energy and by stored can by hydraulic pressure by way of act on clutch supercharger booster action eliminate hair fastener and separation is not thorough to play；Reduce the transversal cross-sectional area for increasing big piston rod of piston head, increase effective area, reduce resistance, piston head thrust increases.

Description

Clutch booster

Technical field

The utility model is related to auto parts fields, more particularly to clutch booster.

Background technology

Currently, often there is hair fastener, gas leakage and detaches not thorough during use in the clutch booster on automobile both at home and abroad The phenomenon that bottom, and service life is not also grown.Its reason is entangled, mainly caused by the following aspects：

1. existing clutch booster mostly uses greatly pump and provides power, and pumps all the master cylinder for the engine for being use, then Clutch booster can not also work when engine misses, lead to not achieve the effect that power-assisted.

2. in the inside of clutch booster, each the position adjacent with leather cup, the content of lubricating grease are less.Especially carry on a shoulder pole Appoint the big piston cup in the cylinder barrel of main acting task, the lubricating grease on periphery is less, is allowed to often under dry grinding state Phenomena such as work, this just will produce the corrosion of cylinder barrel inner wall, big leather cup scratches.To reduce the use longevity of clutch booster Life.

3. in cylinder barrel, it is connected to the piston rod in big piston radial center, is to transmit torque for big piston and be oriented to. In existing product structure, cross section of the piston rod product is bigger than normal, this not only occupies effective acting area of big piston, also big Piston forms larger resistance while acting.The resistance is that compressed air is formed when acting on piston rod packing, resistance Size it is directly proportional to the size that cross section of the piston rod is accumulated.Therefore, cross section of the piston rod product is bigger than normal, affects to a certain extent The thrust of big piston makes clutch booster be susceptible to hair fastener, inability and the halfway phenomenon of separation during use.

Invention content

The utility model is directed to the problems of the prior art, provides clutch booster.

In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：

Clutch booster comprising clutch booster and the auxiliary pressurized mechanism of assisted clutch booster work, Clutch booster is connect with clutch pedal and mandril, and the power of clutch pedal is passed to mandril to make by clutch booster Power-assisted is provided for clutch and in this engineering, clutch booster includes clutch supercharger and carried for clutch booster For the pump of hydraulic pressure, clutch supercharger is connect with pump by first supply pipe road, and first supply pipe road is equipped with first check-valve, Second supply pipe road is connected on first supply pipe road, the both ends in second supply pipe road are connected to the first of first check-valve both sides On supply line, second supply pipe road is connect with auxiliary pressurized mechanism, and auxiliary pressurized mechanism is the fluid in second supply pipe road It pressurizes and the fluid conveying after pressurization is gone back into first supply pipe road and be used to pressurize to the fluid in clutch supercharger, the second supply Pipeline and the inter-agency second check-valve for being equipped with control fluid and being flowed to auxiliary pressurized mechanism of auxiliary pressurized.

Auxiliary pressurized mechanism is set to the lower section of automotive seat, and auxiliary pressurized mechanism includes being connect with second supply pipe road Height of seat regulating valve, seat traveling master cylinder, accumulator, height of seat regulating valve passes through valve interior fluid pressure adjustment seat The height of chair, seat travel the back-and-forth motion that master cylinder controls seat by the Fluid pressure of cylinder body；Further include hydraulic suspension, liquid Laminated suspension connects between seat and accumulator and by the two, and seat provides pressure to accumulation of energy with hydraulic suspension with accumulator is combined into Device accumulation of energy.

Further include the fluid reservoir for storing fluid, fluid reservoir is connect with pump by pipeline, and pipeline, which is equipped with, to be used In the filter being filtered to fluid.

Clutch supercharger includes ontology, and oil pocket and oil gas chamber are equipped in ontology, big piston rod, big piston are equipped in oil pocket Big piston rod baffle ring and the big piston rod snap ring for limit are equipped between bar and oil pocket inner wall, the bottom end of big piston rod is equipped with piston Head, piston head are connect by mandril lock tube with mandril, and big piston rod sends power to mandril with piston head；It is set at the top of oil gas chamber There are inclined gas channel, the end of gas channel to be fixed on ontology and be equipped with the oil gas being connected to gas channel on the body The end of access port, first supply pipe road is connect with oil gas access port, and oil gas intracavitary is equipped with small piston rod, valve seat and valve block, valve Seat is fixed on oil gas chamber side wall, and the upper surface of valve block is resisted against seat bottom portion, and small piston rod bottom is through valve seat and is resisted against valve Piece upper surface, valve block middle part are equipped with for gas to be discharged to this external valve block gas vent, can be by valve when small piston rod moves down Simultaneously actuatable valve piece moves down piece vent closure, and valve block outer wall and small piston rod outer wall are arranged with the first return bullet respectively Spring, the second return spring, the first return spring, the second return spring are respectively used to the return of small piston rod and valve block, oil gas chamber Side wall offer air inlet and gas outlet, valve block side wall is equipped with the stomata coordinated with air inlet and gas outlet, and valve block follows small Piston rod moves up and down, and stomata, air inlet and gas outlet can be made to be connected to form inlet channel, and the bottom of ontology is cylinder barrel, gas Exhaust passage is equipped between cylinder barrel and gas outlet.

Gallery piston is equipped in oil pocket, gallery piston bottom is equipped with hemispheric groove, is extend at the top of big piston rod It is abutted therewith in groove, gallery piston can be that big piston rod is oriented to and transmits torque.

The sectional area of big piston rod accounts for the sixtieth of piston head cross-sectional area.Existing product piston rod area compared with Greatly, the effective work done area for not only occupying big piston, also forms certain resistance, this resistance while big piston does work Power is that compressed air is acted on piston rod packing and generated, and piston rod area is bigger, and resistance is bigger, otherwise will get over Small, the cross-sectional area by increasing piston head can make its thrust bigger.

Oil gas intracavitary is equipped with support pad and blanking cover, and valve seat is abutted against with support pad, blanking cover, and oil gas bottom of chamber portion is additionally provided with Blanking cover snap ring for limiting and fixing blanking cover.

Further include connecting rod, one end of connecting rod and the hitch point of clutch pedal connect, the other end and the oil of connecting rod Chamber piston tip connects, and second supply pipe road is equipped with liquid feed valve, the valve rod connection of connecting rod and liquid feed valve, clutch pedal quilt When depressing, the valve rod of liquid feed valve is connected bar and pulls and open second supply pipe road.

A cavity inner wall contact position of gallery piston, small piston rod, big piston rod and ontology in clutch supercharger is set There is leather cup, the hollow anti-friction ring for storing lubricant is equipped at each leather cup.

The utility model uses above scheme and has the advantages that：

The utility model carries out accumulation of energy by increase auxiliary pressurized mechanism and can be by hydraulic pressure by what is stored by pipeline Mode is acted on eliminates hair fastener and the halfway phenomenon of separation to clutch supercharger to play booster action；Piston head is horizontal Sectional area increases while reducing the cross-sectional area of big piston rod, and this not only reduces resistances, and increase big piston Effective area makes the thrust of big piston be increased on the basis of original；The leather cup that is arranged inside clutch supercharger and Wearing ring containing lubricant reduces the frictional force between component, enable it is each often work under lubricating status with leather cup, significantly Increase the service life of clutch booster；Liquid feed valve equipped with the unlatching of control second supply pipe road simultaneously passes through clutch pedal Control, substantially increases the convenience used, and will not waste energy；Gas channel is obliquely installed the height for reducing oil gas chamber Degree, has not only saved material cost, while being also convenient for processing；The product manufacturing is simple, of low cost, securely and reliably, has greatly Promotional value.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of clutch supercharger.

Reference numeral is described as follows：1-clutch supercharger, 101-ontologies, 102-gallery pistons, 103-skins Bowl, 104-wearing rings, 105-exhaust passages, 106-valve block gas vents, the 107-the first return spring, 108-support pads, 109-leather cups, 1010-big piston rod baffle rings, 1011-leather cups, 1012-wearing rings, 1013-big piston rod snap rings, 1014-big piston rods, 1015-piston heads, 1016-mandril lock tubes, 1017-gas channels, 1018-small piston rods, 1019-leather cups, 1020-leather cups, the 1021-the second return spring, 1022-valve seats, 1023-O-rings, 1024-valve blocks, 1025-air inlets, 1026-blanking covers, 1027-O-rings, 1028-blanking cover snap rings, 1029-leather cups, 1030-wearing rings, 1031-cylinder barrels, 2-pumps, 3-first supply pipe roads, 4-second supply pipe roads, 5-first check-valves, the 6-the second non-return Valve, 7-seats, 8-height of seat regulating valves, 9-seats traveling master cylinder, 10-accumulators, 11-mandrils, 12-clutches Pedal, 13-connecting rods, 14-liquid feed valves, 15-fluid reservoirs, 16-filters.

Specific implementation mode

The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.

Embodiment 1

Clutch booster, as Figure 1-Figure 2 comprising clutch booster and assisted clutch booster work Auxiliary pressurized mechanism, clutch booster are connect with clutch pedal 12 and mandril 11, and clutch booster is by clutch pedal 12 power passes to mandril 11 to act on clutch and provide power-assisted in this engineering, and clutch booster includes that clutch increases Depressor 1 and the pump 2 that hydraulic pressure is provided for clutch booster, clutch supercharger 1 are connect with pump 2 by first supply pipe road 3, the One supply line 3 is equipped with first check-valve 5, and second supply pipe road 4, second supply pipe road 4 are connected on first supply pipe road 3 Both ends be connected on the first supply pipe road 3 of 5 both sides of first check-valve, second supply pipe road 4 is connect with auxiliary pressurized mechanism, Auxiliary pressurized mechanism is the fluid pressurization in second supply pipe road 4 and uses the fluid conveying after pressurization go back to first supply pipe road 3 It pressurizes in the fluid in clutch supercharger 1, second supply pipe road 4 is with the inter-agency control fluid that is equipped with of auxiliary pressurized to auxiliary The second check-valve 6 of pressing mechanism flowing.

Auxiliary pressurized mechanism is set to the lower section of automotive seat 7, and auxiliary pressurized mechanism includes connecting with second supply pipe road 4 The height of seat regulating valve 8 that connects, seat traveling master cylinder 9, accumulator 10, height of seat regulating valve 8 pass through fluid pressure in valve body Power adjusts the height of seat 7, and seat travels the back-and-forth motion that master cylinder 9 controls seat 7 by the Fluid pressure of cylinder body；Further include Hydraulic suspension, hydraulic suspension connect between seat 7 and accumulator 10 and by the two, and seat 7 is matched with hydraulic suspension is combined into accumulation of energy Device 10 provides pressure to 10 accumulation of energy of accumulator.

Further include the fluid reservoir 15 for storing fluid, fluid reservoir 15 is connect by pipeline with pump 2, set on pipeline It is useful for the filter 16 being filtered to fluid.

Clutch supercharger 1 includes ontology 101, and oil pocket and oil gas chamber are equipped in ontology 101, big piston rod is equipped in oil pocket 1014, big piston rod baffle ring 109 and the big piston rod snap ring for limit are equipped between big piston rod 1014 and oil pocket inner wall 1013, big piston head 1015 is connect by mandril lock tube 1016 with mandril 11, and big piston rod 1014 passes power with piston head 1015 Give mandril 11；The top of oil gas chamber is equipped with inclined gas channel 1017, and ontology 101 is fixed in the end of gas channel 1017 It is equipped with above and on ontology 101 the oil gas access port being connected to gas channel 1017, end and the oil gas in first supply pipe road 3 connect Entrance connects, and oil gas intracavitary is equipped with small piston rod 1018, valve seat 1022 and valve block 1024, and valve seat 1022 is fixed on oil gas chamber side The upper surface of wall, valve block 1024 is resisted against 1022 bottom of valve seat, and 1018 bottom of small piston rod is through valve seat 1022 and is resisted against valve 1024 upper surface of piece, 1024 middle part of valve block are equipped with valve block venthole 106, can be by valve block venthole when small piston rod 1018 moves down 106, which close simultaneously actuatable valve piece 1024, moves down, and 1024 outer wall of valve block and 1018 outer wall of small piston rod are arranged with first respectively Return spring 107, the second return spring 1021, the first return spring 107, the second return spring 1021 are respectively used to small piston rod 1018 offer air inlet 1025 and gas outlet with the return of valve block 1024, the side wall of oil gas chamber, 1024 side wall of valve block be equipped with Air inlet 1025 and the stomata of gas outlet cooperation, valve block 1024 follow small piston rod 1018 to move up and down, can make stomata, air inlet Mouth 1025 and gas outlet are connected to form inlet channel；The bottom of ontology 101 is cylinder barrel 1031, cylinder barrel 1031 and gas outlet Between be equipped with exhaust passage 105.

Gallery piston 102 is equipped in oil pocket, 102 bottom of gallery piston is equipped with hemispheric groove, big piston rod 1014 Top extend into groove and abuts therewith, and gallery piston 102 can be that big piston rod 1014 is oriented to and transmits torque.

The sectional area of big piston rod 1014 accounts for the sixtieth of 1015 cross-sectional area of piston head.Existing product piston rod is cut Area is larger, not only occupies effective work done area of big piston, also forms certain resistance while big piston does work, This resistance is that compressed air is acted on piston rod packing and generated, and piston rod area is bigger, and resistance is bigger, otherwise just Can be smaller, the cross-sectional area by increasing piston head 1015 can make its thrust bigger.

Oil gas intracavitary is equipped with support pad 108 and blanking cover 1026, and valve seat 1022 offsets with support pad 108, blanking cover 1026 It connects, oil gas bottom of chamber portion is additionally provided with the blanking cover snap ring 1027 for limiting and fixing blanking cover 1026.

The side of blanking cover 1026 and valve seat 1022 is arranged with O-ring, and 1023,1027 be O-ring in Fig. 2.

Further include connecting rod 13, one end of connecting rod 13 is connect with the hitch point of clutch pedal 12, connecting rod 13 it is another One end is connect with 102 top of gallery piston, and second supply pipe road 4 is equipped with liquid feed valve 14, the valve of connecting rod 13 and liquid feed valve 14 Bar connects, and when clutch pedal 12 is depressed, the valve rod of liquid feed valve 14 is connected bar 13 and pulls and open second supply pipe road 4.

Of gallery piston 102, small piston rod 1018, big piston rod 1014 and ontology 101 in clutch supercharger 1 Cavity inner wall contact position is equipped with leather cup, and the hollow anti-friction ring for storing lubricant is equipped at each leather cup.103 in Fig. 2, 109,1011,1019,1020,1029 be leather cup, and 104,1012,1030 be wearing ring.

Operation principle：When let slip the clutch 12, under the action of pumping 2, hydraulic oil will be logical with certain pressure It crossing gas channel 1017 and enters oil gas chamber, under the action of oil pressure, small piston rod 1018 will move down, after being contacted with valve 1024, First valve block gas vent 106 is closed, then valve block 1024 is pushed to continue to move down, forms gap between valve seat 1022, make Compressed air is entered through air inlet 1025, stomata, exhaust passage 105 in cylinder barrel 1031, and piston head 1015 is pushed to do work, Since the area of piston head 1015 is larger, prodigious thrust can be generated under the action of compressed air, through mandril 11 pass to from Clutch release fork makes clutch be in discrete state；When shift, which finishes, releases the clutch pedal 12, hydraulic oil is returned into pump 1 Stream.At this moment, the pressure reduction of the oil pocket of clutch supercharger 1 and oil gas chamber, small piston rod 1018 is in the second return spring 1021 Under the action of return, return under the action of compressed air and the first return spring 107 of valve block 1024, and being closed with valve seat 1022 It closes.Gap between small piston rod 1018 and valve block 1024 re-forms, and the compressed air in cylinder barrel 1031 returns to valve block row Stomata 106 is simultaneously discharged except ontology, 11 return of big piston rod 1015 and mandril, and clutch is in fit-state again.Wherein stepping on Lower clutch pedal 12 when, by connecting rod 13 pull liquid feed valve 14 valve rod open liquid feed valve 14 to activate auxiliary plus Press mechanism makes hydraulic oil be flowed to the second service duct 4, and acts on clutch supercharger after accumulator 10 is pressurizeed 1, reinforce power-assisted effect when pump 2 works, pump 2 can also play the role of power-assisted when not working.

Claims

1. clutch booster comprising clutch booster and the auxiliary pressurized mechanism of assisted clutch booster work, from Clutch booster is connect with clutch pedal (12) and mandril (11), and clutch booster transmits the power of clutch pedal (12) To mandril (11) to act on clutch and provide power-assisted in this engineering, it is characterised in that：Clutch booster includes clutch Device booster (1) and the pump (2) that hydraulic pressure is provided for clutch booster, clutch supercharger (1) pass through the first supply with pump (2) Pipeline (3) connects, and second supply pipe road (4), the both ends end of second supply pipe road (4) are connected on first supply pipe road (3) It is connected on first supply pipe road (3) and first supply pipe road (3) between two tie points and is equipped with first check-valve (5), second Supply line (4) is connect with auxiliary pressurized mechanism, and auxiliary pressurized mechanism is the fluid pressurization in second supply pipe road (4) and will add Fluid conveying after pressure goes back to first supply pipe road (3) and is used to pressurize to the fluid in clutch supercharger (1), second supply pipe road (4) and inter-agency be equipped with of auxiliary pressurized controls the second check-valve (6) that fluid is flowed to auxiliary pressurized mechanism.

2. clutch booster according to claim 1, it is characterised in that：Auxiliary pressurized mechanism is set to automotive seat (7) lower section, auxiliary pressurized mechanism include the height of seat regulating valve (8) being connect with second supply pipe road (4), seat traveling Master cylinder (9), accumulator (10), height of seat regulating valve (8) adjust the height of seat (7), seat by valve interior fluid pressure Chair travels the back-and-forth motion that master cylinder (9) controls seat (7) by the Fluid pressure of cylinder body；Further include hydraulic suspension, hydraulic suspension Frame is located between seat (7) and accumulator (10) and connect the two, and seat (7) is provided with hydraulic suspension with accumulator (10) is combined into Pressure is to accumulator (10) accumulation of energy.

3. clutch booster according to claim 1, it is characterised in that：It further include the fluid reservoir for storing fluid (15), fluid reservoir (15) is connect with pump (2) by pipeline, and pipeline is equipped with the filter for being filtered to fluid (16)。

4. clutch booster according to claim 1, it is characterised in that：Clutch supercharger (1) includes ontology (101), it is equipped with oil pocket and oil gas chamber in ontology (101), big piston rod (1014), big piston rod (1014) and oil are equipped in oil pocket Big piston rod baffle ring (109) and the big piston rod snap ring (1013) for limit are equipped between cavity wall, big piston rod (1014) Bottom end is equipped with piston head (1015), and piston head (1015) is connect by mandril lock tube (1016) with mandril (11), big piston rod (1014) power is sent to mandril (11) with piston head (1015)；The top of oil gas chamber is equipped with inclined gas channel (1017), The end of gas channel (1017) is fixed on ontology (101) and is equipped on ontology (101) to be connected to gas channel (1017) Oil gas access port, the end of first supply pipe road (3) connect with oil gas access port, and oil gas intracavitary is equipped with small piston rod (1018), valve seat (1022) and valve block (1024), valve seat (1022) are fixed on oil gas chamber side wall, and the upper surface of valve block (1024) is supported Valve seat (1022) bottom is leaned against, small piston rod (1018) bottom is through valve seat (1022) and is resisted against valve block (1024) upper surface, The valve block venthole (106) being in communication with the outside is equipped in the middle part of valve block (1024), small piston rod (1018) can lead to valve block when moving down Stomata (106) is closed and actuatable valve piece (1024) moves down, valve block (1024) outer wall and small piston rod (1018) outer wall point It is not arranged with the first return spring (107), the second return spring (1021), the first return spring (107), the second return spring (1021) it is respectively used to the return of small piston rod (1018) and valve block (1024), the side wall of oil gas chamber offers air inlet (1025) And gas outlet, valve block (1024) side wall are equipped with the stomata coordinated with air inlet (1025) and gas outlet, valve block (1024) follows small Piston rod (1018) moves up and down, and stomata, air inlet (1025) and gas outlet can be made to be connected to form inlet channel, ontology (101) Bottom be cylinder barrel (1031), cylinder barrel (1031) is gas outlet between equipped with exhaust passage (105).

5. clutch booster according to claim 4, it is characterised in that：Gallery piston (102), oil pocket are equipped in oil pocket Piston (102) bottom is equipped with hemispheric groove, extend into groove at the top of big piston rod (1014) and abuts therewith, and oil pocket is lived It can be that big piston rod (1014) is oriented to and transmits torque to fill in (102).

6. clutch booster according to claim 4, it is characterised in that：The sectional area of big piston rod (1014) accounts for piston The sixtieth of head (1015) cross-sectional area.

7. clutch booster according to claim 4, it is characterised in that：Oil gas intracavitary be equipped with support pad (108) and Blanking cover (1026), valve seat (1022) are abutted against with support pad (108), blanking cover (1026), and oil gas bottom of chamber portion is additionally provided with for limiting The blanking cover snap ring (1027) of position and fixed blanking cover (1026).

8. clutch booster according to claim 5, it is characterised in that：Further include connecting rod (13), connecting rod (13) One end connect with the hitch point of clutch pedal (12), the other end of connecting rod (13) is connect with gallery piston (102) top, Second supply pipe road (4) is equipped with liquid feed valve (14), and connecting rod (13) is connect with the valve rod of liquid feed valve (14), clutch pedal (12) when being depressed, the valve rod of liquid feed valve (14) is connected bar (13) and pulls and open second supply pipe road (4).

9. clutch booster according to claim 5, it is characterised in that：Gallery piston in clutch supercharger (1) (102), small piston rod (1018), big piston rod (1014) and a cavity inner wall contact position of ontology (101) are equipped with leather cup, each The hollow anti-friction ring for storing lubricant is equipped at leather cup.