CN103697082B - Clutch automatic exhaust system and method for exhausting thereof - Google Patents
Clutch automatic exhaust system and method for exhausting thereof Download PDFInfo
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- CN103697082B CN103697082B CN201410002488.1A CN201410002488A CN103697082B CN 103697082 B CN103697082 B CN 103697082B CN 201410002488 A CN201410002488 A CN 201410002488A CN 103697082 B CN103697082 B CN 103697082B
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Abstract
The invention discloses a kind of clutch automatic exhaust system, comprise the clutch master cylinder and clutch slave cylinder that are interconnected, and the liquid container to be communicated with described clutch master cylinder, also be provided with the compensating tank that air conduit is communicated with described liquid container, with the electric oil pump be communicated with described clutch slave cylinder by a liquid-transport pipe-line, described compensating tank is also communicated with described electric oil pump by another liquid-transport pipe-line; Also vent is offered at the top of described compensating tank.Simultaneously, the invention also discloses the method for exhausting of above-mentioned clutch automatic exhaust system, pass through such scheme, the present invention can facilitate, thoroughly discharge gas residual in clutch actuation system efficiently and safely, avoid because exhaust causes the halfway problem of clutch separation not to the utmost, ensure the normal work of clutch actuation system, avoid fault to occur, there are high using value and market prospects.
Description
Technical field
The present invention relates to a kind of automobile clutch, specifically, relate to a kind of clutch automatic exhaust system and method for exhausting thereof.
Background technique
Automobile clutch oil gas operation system is one of major operating system of automobile, and from composition configuration aspects, it forms primarily of clutch master cylinder, clutch slave cylinder, oil storage tank, bleeder screw, pipe joint and oil pipe.In automobile using process, in clutch oil gas operation system, usually can enter air, as: the dismounting of clutch, replacing; Seal leakage in each parts using process; The air do not drained during oiling; Vapour lock produced in clutch work etc., these gas residence are in clutch actuation system, and clutch separation can be caused not thorough, and then cause clutch to break down, therefore, exhaust effect just determines the rate of breakdown of clutch to a great extent.
At present, in existing clutch actuation system, bleeder screw is arranged on clutch slave cylinder, driver or maintenance man are by manually screwing bleeder screw aperiodically, just the air of inside can be discharged, thus ensure the normal work of clutch actuation system, avoid breaking down.But artificial exhaust bothers after all, time and effort consuming, and cannot realize timely exhaust, potential safety hazard exists all the time, and Security is difficult to the actual demand meeting people.Meanwhile, intrasystem medium can be discharged by existing exhaust mode in the lump, so that can cause very large pollution to environment, is extremely unfavorable for environmental protection.In addition, once exhaust is difficult to drain, and expends a lot of driving medium, adding users maintenance cost.
Summary of the invention
The object of the present invention is to provide a kind of clutch automatic exhaust system, solve clutch in prior art and adopt the problem that artificial exhaust takes time and effort and Security is low, the feature of environmental protection is poor and the Economy of driving medium own is very low.
To achieve these goals, the technical solution used in the present invention is as follows:
Clutch automatic exhaust system, comprise the clutch master cylinder and clutch slave cylinder that are interconnected, and the liquid container to be communicated with described clutch master cylinder, also be provided with the compensating tank that air conduit is communicated with described liquid container, with the electric oil pump be communicated with described clutch slave cylinder by a liquid-transport pipe-line, described compensating tank is also communicated with described electric oil pump by another liquid-transport pipe-line; Also vent is offered at the top of described compensating tank.
Precisely, for preventing liquid backflow, described clutch slave cylinder is provided with the connecting bolt for replacing bleeder screw, this connecting bolt is provided with safety check, described electric oil pump is connected with this safety check by liquid-transport pipe-line.
Further, described safety check comprise match with described connecting bolt female valve body is set; Described connecting bolt inside is provided with central through bore, described valve inner is then provided with the heavy caliber through hole and small-bore through hole that are interconnected, one end near small-bore through hole in this heavy caliber through hole is provided with spool, and the other end is then provided with the spring be connected with this spool.
Further, the path length of described spool is greater than the path length of described small-bore through hole, and is less than the path length of heavy caliber through hole.
Again further, the sidewall of described liquid container is provided with level sensor, described compensating tank is also communicated with described liquid container by a conduit, is also provided with the one-way valve be connected with this level sensor on this catheter.
Preferably, the two ends of described air conduit connect the sidewall upper of described liquid container and the sidewall upper of compensating tank respectively, and the two ends of described conduit then connect the side wall lower ends of described liquid container and the side wall lower ends of compensating tank respectively.
Preferably, described electric oil pump is communicated with by the bottom of liquid-transport pipe-line with described compensating tank.
In addition, prevent medium back flow to ensure better, the invention provides the cooperating structure of following two kinds of spools and valve body: (1) described spool is delivery valve structure, correspondingly, the junction surface of described heavy caliber through hole and small-bore through hole is vertical surface; (2) described spool is spherical structure, and correspondingly, the junction surface of described heavy caliber through hole and small-bore through hole is arc surface.By above-mentioned design, can ensure spool and the direct compatible degree of valve body well, when guaranteeing that spool contacts with small-bore through hole, gapless exists, thus thoroughly cuts off the approach of medium back flow.In addition, solenoid valve the most simply can also be used to control.
Based on the said equipment, present invention also offers the method for exhausting of above-mentioned clutch automatic exhaust system, comprise the following steps:
(1) when air will enter clutch system need exhaust time, start electric oil pump;
(2) liquid in compensating tank, in the effect of electric oil pump, arrives the safety check on clutch slave cylinder by liquid-transport pipe-line, and washes valve ball open, enter clutch slave cylinder;
(3) liquid enters clutch master cylinder from the liquid entering hole of clutch slave cylinder, and then enters liquid container from clutch master cylinder, impels the liquid level in liquid container to rise;
(4) liquid level in liquid container rises, and forces air to enter compensating tank from airway, and discharge from the vent at compensating tank top under driving medium Action of Gravity Field;
(5) until clutch energy normal exhaust or ato unit step on clutch can arrange smoothly into grade time, electric oil pump close, whole hydraulic system air drains.
The present invention is based on existing clutch actuation system, on the basis not changing existing operation system, by setting up the equipment such as compensating tank and electric oil pump, utilize liquid in compensating tank by electric oil pump to the gas mineralization pressure in liquid container, master cylinder, wheel cylinder and pipeline, force air to enter compensating tank, and then discharge the principle of air, achieve the automatic vent of clutch dexterously, not only simple to operate, and time saving and energy saving.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention is under the prerequisite not changing existing clutch actuation system, compensating tank and electric oil pump are set up, by pumping into driving medium in original liquid container, force the air in clutch slave cylinder, clutch master cylinder, liquid container and pipeline to enter compensating tank, realize the automatic discharge of gas, self-bleeding while, do not affect the normal work of clutch actuation system, time saving and energy saving, easily and thoroughly, exhaust effect is very remarkable.
(2) MEDIA FLOW when flow direction that the present invention pumps into medium in liquid container normally works with clutch is to contrary, and MEDIA FLOW is through all parts of whole clutch actuation system, so the gas entering clutch actuation system all parts can be got rid of completely, totally, thoroughly, fundamentally stop the possibility that clutch breaks down, the safety and reliability of clutch actuation system is promoted greatly.
(3) the present invention is provided with safety check on connecting bolt, effectively can prevent medium back flow, guarantees that the medium in compensating tank enters liquid container smoothly, realizes automatic vent safely and fast, without the need to manual operation.
(4) gas entering clutch actuation system can be discharged by the present invention within the shortest time (three minutes), in time, efficiently, safety, it fundamentally changes exhaust mode and the venting principleand of existing clutch actuation system, for clutch actuation system opens a brand-new exhaust approach, there is very great innovation meaning and social value.
(5) principle of the invention is simple, design ingenious, it is convenient to realize, handling safety, be applicable to all existing automobiles, the clutch of engineering machinery, hydraulic braking sytem list wheel cylinder, the hydraulic braking sytem of two wheel cylinder and various engineering machinery, can avoid because hydraulic braking sytem is vented the braking force imbalance problem thoroughly do not caused, and the present invention only discharges air in exhaust process, without the need to medium is discharged, thus avoid because medium is directly discharged to the environmental pollution caused in rapair and maintenance place, and achieve recycling of medium, the maintenance cost of effective reduction user, improve its economic value, be applicable to very much applying.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention-embodiment 1.
Fig. 2 is the structural representation of the present invention-embodiment 2.
Fig. 3 is the structural representation of the present invention-embodiment 3.
Fig. 4 is a kind of structural representation of safety check in the present invention.
Fig. 5 is the another kind of structural representation of safety check in the present invention.
In above-mentioned accompanying drawing, the component names that reference character is corresponding is as follows:
1-clutch master cylinder, 2-clutch slave cylinder, 3-liquid container, 4-compensating tank, 5-electric oil pump, 6-level sensor, 7-one-way valve, 8-safety check, 9-vent, 10-air conduit, 11-liquid-transport pipe-line, 12-connecting bolt, 13-valve body, 14-spool, 15-spring.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment 1
As shown in Figure 1, this enforcement is for the clutch actuation system of pneumatic brake type, and next the present invention is described in detail.This clutch automatic exhaust system, mainly comprise clutch master cylinder 1, clutch slave cylinder 2, liquid container 3, compensating tank 4 and electric oil pump 5, wherein, compensating tank 4, electric oil pump 5, clutch slave cylinder 2, clutch master cylinder 1 are communicated with by liquid-transport pipe-line 11 in turn with liquid container 3, then be communicated with by conduit between liquid container 3 with compensating tank 4, conduit is provided with one-way valve 7, so, between each equipment, just defines a media flow loop.Meanwhile, between liquid container 3 and compensating tank 4, an air conduit 10 is also provided with, for the gas flow between liquid container and compensating tank.Consider that gas must rest on the top of liquid container 3, therefore air conduit 10 is also arranged between liquid container 3 top and compensating tank 4 top, and in like manner, vent 9 is arranged on the top of compensating tank 4, correspondingly, oil pump is communicated with the bottom of compensating tank 4 by liquid-transport pipe-line 11.After so just making gas enter the top of compensating tank 4 from the top of liquid container 3, directly discharge from vent 9, can not enter in the medium in compensating tank 4, ensure the completeness of exhaust.The setting of vent 9, great convenience can be provided for exhaust, repair shop, user or automobile making manufacturer when repairing or change master cylinder, wheel cylinder, pipeline or maintenance time, can realize by this device the air automatically got rid of in whole system, very convenient.
As shown in Fig. 4 or Fig. 5, be back in compensating tank in order to prevent medium when clutch or hydraulic braking sytem normally work, clutch slave cylinder 2 installs connecting bolt, in order to replace bleeder screw of the prior art, and safety check 8 is installed on connecting bolt, clutch slave cylinder 2 connects liquid-transport pipe-line 11 by this safety check 8, is communicated with oil pump 5.Specifically, safety check mainly contains three kinds: ball valve, outlet valve and solenoid valve, during actual use, can choose any one kind of them, is arranged on the bleeder screw position of clutch slave cylinder or brake cylinder by connecting bolt.Safety check 8 primarily of valve body 13 and, spool 14 and spring 15 form; Connecting bolt 12 arranges outside thread, inside establish central through bore, valve body 13 is then provided with internal thread, match with the outside thread on connecting bolt 12, the central shaft of valve body 13 is offered a through hole, and one end bore is comparatively large, and the other end bore is less, for convenience of description, heavy caliber through hole and small-bore through hole is referred to as.Spool 14 and spring 15 are arranged in heavy caliber through hole, and wherein spool 14 is near small-bore through hole, and the diameter of spool 14 is greater than the path length of small-bore through hole, by the restriction of small-bore through hole, come off away from small-bore through hole to prevent it.Spring 15 one end and spool 14 are fixed, and the other end is fixed on the madial wall of valve body 13, and spool 14 can move freely in heavy caliber through hole.When the medium in compensating tank 4 arrives safety check 8 place by liquid-transport pipe-line 11 under the effect of electric oil pump 5, impact force is formed to spool, make spool Compress Spring, spool moves to the direction of spring, now, heavy caliber through hole and small-bore through hole are interconnected, and medium enters clutch slave cylinder 2 by safety check 8; And when clutch or hydraulic braking sytem normally work, driving medium produces towards the impact force of small-bore through hole to spool 14, under the effect of spring return function power, make spool support small-bore through hole simultaneously, passage between heavy caliber through hole and small-bore through hole is blocked, thus reaches the object preventing medium back flow.
The level sensor 6 be arranged on liquid container 3 sidewall is connected with supravasal one-way valve 7, and controls the switch of one-way valve.When the driving medium in liquid container 3 is very few, level sensor 6 can automatically control one-way valve 7 and supplement driving medium in time; Medium in compensating tank 4, under the effect of oil pump 5, enters clutch slave cylinder 2 by liquid-transport pipe-line 11, and then reaches in liquid container 3 from clutch master cylinder 1; And be positioned at the bottom of liquid container 3 due to clutch master cylinder 1 and the link position of liquid container 3, therefore, medium is inevitable enter liquid container from master cylinder 1, makes the liquid level in liquid container 3 increase; The air being positioned at liquid container 3 top, after the impact being subject to the increase of liquid storage pot liquid, can only enter compensating tank 4 from air conduit 10, then discharge from vent 9.Along with the lasting rising of liquid level in liquid container, when liquid level in liquid container is higher than liquid level in compensating tank, unnecessary driving medium is just back to compensating tank by conduit.
The present invention need not change the clutch actuation system of existing automobile, only increase a small amount of equipment on the basis of existing technology, the automatic vent of clutch actuation system can be realized, convenient, simple, quick, safety, and in non-exhaust process, clutch actuation system normally works, and can not be affected, creative apparent.
Embodiment 2
As shown in Figure 2, the present invention will be described for hydraulic braking sytem list wheel cylinder vehicle for the present embodiment, and the difference of itself and embodiment 1 is, brake cylinder comprises front wheel cylinder and rear wheel cylinder, front wheel cylinder and rear wheel cylinder are respectively arranged with connecting bolt, connecting bolt is all provided with safety check; Braking overall pump is divided into master cylinder ante-chamber and master cylinder back cavity, and described front wheel cylinder is communicated with master cylinder ante-chamber with liquid container respectively, and then wheel cylinder is then communicated with master cylinder back cavity with liquid container respectively.Be connected with the safety check front wheel cylinder and rear wheel cylinder respectively from oil pump liquid-transport pipe-line out, then identical with embodiment 1 as the setting between liquid container, compensating tank, oil pump, do not repeat them here.
The exhaust process of the present embodiment is identical with embodiment 1, oil pump is opened, medium in compensating tank through liquid-transport pipe-line be transported to front wheel cylinder and after wheel cylinder, enter ante-chamber and the back cavity of braking overall pump more respectively, then liquid container is entered by two liquid-transport pipe-lines, the liquid level in liquid container is made to increase, in media flow process, in each section of pipeline, front wheel cylinder, rear wheel cylinder and braking overall pump, gas all enters liquid container under the promotion of medium, and arrive the upper space of liquid container, enter compensating tank finally by air conduit, discharge from vent.
Embodiment 3
As shown in Figure 3, the present invention will be described for the two wheel cylinder vehicle of hydraulic braking sytem for the present embodiment, its principle and exhaust process are all identical with embodiment 2, difference is only that brake cylinder is different, because brake cylinder belongs to prior art, the not design innovation point of this technology, and this technology does not need to change brake cylinder, therefore no longer repeats said process herein.
The present invention can be applied in hydraulic braking sytem equally, the automatic vent of attainment brake hydraulic pressure system.It should be noted that, can be found out by above-described embodiment, the present invention goes for various different clutch actuation system, can both safely, convenient, realize automatic vent efficiently, can't affect the normal work of clutch actuation system, its use value and market prospects are very high.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as adopt design principle of the present invention, and the change carried out non-creativeness work on this basis and make, all should belong within protection scope of the present invention.
Claims (10)
1. clutch automatic exhaust system, comprise the clutch master cylinder (1) and clutch slave cylinder (2) that are interconnected, and the liquid container (3) to be communicated with described clutch master cylinder (1), it is characterized in that, also be provided with the compensating tank (4) that air conduit (10) is communicated with described liquid container (3), with the electric oil pump (5) be communicated with described clutch slave cylinder (2) by a liquid-transport pipe-line (11), described compensating tank (4) is also communicated with described electric oil pump (5) by another liquid-transport pipe-line (11); Vent (9) is also offered at the top of described compensating tank (4).
2. clutch automatic exhaust system according to claim 1, it is characterized in that, described clutch slave cylinder (2) is provided with the connecting bolt (12) for replacing bleeder screw, this connecting bolt (12) is provided with safety check (8), and described electric oil pump (5) is connected with this safety check (8) by liquid-transport pipe-line (11).
3. clutch automatic exhaust system according to claim 2, is characterized in that, described safety check (8) comprise match with described connecting bolt (12) female valve body (13) is set; Described connecting bolt (12) inside is provided with central through bore, described valve body (13) inside is then provided with the heavy caliber through hole and small-bore through hole that are interconnected, one end near small-bore through hole in this heavy caliber through hole is provided with spool (14), and the other end is then provided with the spring (15) be connected with this spool (14).
4. clutch automatic exhaust system according to claim 3, is characterized in that, the path length of described spool (14) is greater than the path length of described small-bore through hole, and is less than the path length of heavy caliber through hole.
5. clutch automatic exhaust system according to claim 4, it is characterized in that, the sidewall of described liquid container (3) is provided with level sensor (6), described compensating tank (4) is also communicated with described liquid container (3) by a conduit, is also provided with the one-way valve (7) be connected with this level sensor (6) on this catheter.
6. clutch automatic exhaust system according to claim 5, it is characterized in that, the two ends of described air conduit (10) connect the sidewall upper of described liquid container (3) and the sidewall upper of compensating tank (4) respectively, and the two ends of described conduit then connect the side wall lower ends of described liquid container (3) and the side wall lower ends of compensating tank (4) respectively.
7. clutch automatic exhaust system according to claim 6, is characterized in that, described electric oil pump (5) is communicated with by the bottom of liquid-transport pipe-line with described compensating tank (4).
8. clutch automatic exhaust system according to claim 7, is characterized in that, described spool (14) is delivery valve structure, and correspondingly, the junction surface of described heavy caliber through hole and small-bore through hole is vertical surface.
9. clutch automatic exhaust system according to claim 7, is characterized in that, described spool (14) is spherical structure, and correspondingly, the junction surface of described heavy caliber through hole and small-bore through hole is arc surface.
10. the method for exhausting of clutch automatic exhaust system, is characterized in that, comprises the following steps:
(1) when air will enter in clutch system need exhaust time, start electric oil pump;
(2) liquid in compensating tank, under the effect of electric oil pump, arrives the safety check on clutch slave cylinder by liquid-transport pipe-line, and washes spool open, enter clutch slave cylinder;
(3) liquid enters clutch master cylinder from the liquid entering hole of clutch slave cylinder, and then enters liquid container from clutch master cylinder, impels the liquid level in liquid container to rise;
(4) liquid level in liquid container rises, and forces air to enter compensating tank from air conduit, and discharge from the vent at compensating tank top under driving medium Action of Gravity Field;
(5) until clutch energy normal exhaust or ato unit step on clutch can arrange smoothly into grade time, electric oil pump close, whole hydraulic system air drains.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410002488.1A CN103697082B (en) | 2014-01-03 | 2014-01-03 | Clutch automatic exhaust system and method for exhausting thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410002488.1A CN103697082B (en) | 2014-01-03 | 2014-01-03 | Clutch automatic exhaust system and method for exhausting thereof |
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| CN103697082A CN103697082A (en) | 2014-04-02 |
| CN103697082B true CN103697082B (en) | 2016-03-16 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763755A (en) * | 2014-01-07 | 2015-07-08 | 江西铜业股份有限公司 | Exhaust method of hydraulic operation system of vehicle clutch |
| DE202014102985U1 (en) * | 2014-07-01 | 2014-07-29 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Transmission for a motor vehicle |
| CN104494429A (en) * | 2014-09-28 | 2015-04-08 | 力帆实业(集团)股份有限公司 | Air exhausting method and structure for automobile clutch oil pump |
| CN104803337A (en) * | 2015-04-16 | 2015-07-29 | 山东电力建设第二工程公司 | Quick exhaust device and exhaust method for clutch |
| CN110044324A (en) * | 2018-01-15 | 2019-07-23 | 北京纳微时代科技有限公司 | The self-bleeding method of vertical survey system |
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| CN203756792U (en) * | 2014-01-03 | 2014-08-06 | 陈小伟 | Automatic exhaust system of clutch |
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| DE102007032042B4 (en) * | 2007-07-10 | 2018-12-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Clutch system with hydraulically actuated clutch device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB190722760A (en) * | 1907-08-24 | 1908-10-15 | Johann Georg Bodemer | Backing Off Brake Gear for Self Acting Mules. |
| GB702211A (en) * | 1950-07-07 | 1954-01-13 | Farringdon Works & H Pontifex | Improvements in or relating to bottle filling machines |
| CN2233333Y (en) * | 1995-10-16 | 1996-08-21 | 廖昱 | Pressure exhaust automobile hydraulic operating mechanism |
| DE10101438A1 (en) * | 2001-01-13 | 2002-08-14 | Bayerische Motoren Werke Ag | Ventilation device for hydraulic system of a motor vehicle automatic gearbox, has valve at highest point of hydraulic system with body diameter greater than those of feed and outlet but smaller than valve housing internal diameter |
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Inventor after: Chen Xiaowei Inventor after: Zhao Lixia Inventor after: Wang Shiping Inventor after: Gong Tao Inventor after: Zhao Feng Inventor after: Wang Hongyi Inventor after: Luo Meiqin Inventor before: Chen Xiaowei |
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