1302130 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種液壓煞車系統，特別是有關於 種可提供快速煞車操作之液壓煞車系統。 【先前技術】 請參閱第1圖，一種習知之液壓煞車系統之液壓控制 閥1主要包括有一油室10、兩輸出孔11、一第一輸入孔 12、一第二輸入孔13、一旁通孔15、一活塞20、一彈簧 30、一第一油封61以及一第二油封62。兩輸出孔11皆是 連通於油室10，並且是分別藉由一油管50連接於一煞車 卡钳（未顯示）。活塞20是以移動之方式設置於油室10 之中，並且具有一第一端面21及一第二端面22。第一輸 入孔12是連通於活塞20之第一端面21，並且第一輸入孔 12是藉由一油管51連接於一第一煞車總泵（未顯示，例 如，腳煞車總泵）。第二輸入孔13是連通於活塞20，並 且第二輸入孔13是藉由一油管52連接於一第二煞車總泵 (未顯示，例如，手煞車總泵）。旁通孔15是連通於油室 10。彈簧30是連接於油室10之一内端面10a與活塞20之 第二端面22之間。第一油封61是設置於活塞20之第一端 面21上，並且第一油封61是抵接於油室10之壁面以及第 一輸入孔12與第二輸入孔13之間。第二油封62是設置於 活塞20之第二端面22上，並且第二油封62是抵接於油室 10之壁面以及第二輸入孔13與旁通孔15之間。 0134-A21675TWF(N2)；A-437；hawdong 6 J302130 - 如第1圖所示，當以第一煞車總泵建立煞車油壓時， 煞車油會經由第一輸入孔12推動活塞20之第一端面21， - 以迫使活塞20朝輸出孔11方向移動。此時，設置於活塞 20之第二端面22上之第二油封62會經過旁通孔15,而油 室10中之煞車油會經由輸出孔11被推向煞車卡钳，以迫 使煞車卡鉗做動。在另一方面，當以第二煞車總泵建立煞 車油壓時，煞車油會經由第二輸入孔13、旁通孔15及油 室10被推向煞車卡鉗，以迫使煞車卡鉗做動。 • 如上所述，習知之液壓煞車系統之液壓控制閥1具有 一些缺點。首先，當以第一煞車總泵建立煞車油壓時，第 二油封62會隨著活塞20在高壓之環境下經過旁通孔15， 故第二油封62常會因與旁通孔15之孔壁摩擦而發生磨 損。其次，當以第一煞車總泵建立煞車油壓時，必須等到 第二油封62經過旁通孔15後，油室10中之煞車油才會經 由輸出孔11被推向煞車卡鉗，因而會使得煞車卡鉗之煞車 做動產生時間差。也就是說，當以第一煞車總泵建立煞車 馨 油壓時，煞車卡鉗並不會立即做動，如此會導致安全上的 問題。 有鑑於此，本發明之目的是要提供一種液壓煞車系 統，其可提供快速且安全之煞車操作。 【發明内容】 本發明基本上採用如下所詳述之特徵以為了要解決上 述之問題。也就是說，本發明包括一液壓控制閥，具有一 第一油室、一第二油室、一第三油室、一第一活塞、一第 0134-A21675TWF(N2)；A-437；hawdong .1302130 二活塞、一第一彈性元件、一第二彈性元件、一油封及一 單向皮碗，其中，該第一油室、該第二油室及該第三油室 係容納一煞車油，該第一活塞係以移動之方式設置於該第 一油室與該第三油室之間，該第二活塞係以移動之方式設 置於該第一油室與該第二油室之間，並且係相對於該第一 活塞，該第一彈性元件係連接於該第一活塞與該第二活塞 之間，該第二彈性元件係連接於該第二活塞與該第二油室 之一内壁之間，該油封係抵接於該第一活塞與該第三油室 之一内壁之間，以及該單向皮碗係套設於該第二活塞之 上，並且係抵接於該第二油室之該内壁；一第一煞車總泵， 連通於該第一油室；一第二煞車總泵，連通於該第三油室； 以及一煞車卡钳，連通於該第二油室。 同時，根據本發明之液壓煞車系統，該第一油室中之 該煞車油係經由該單向皮碗流至該第二油室之中。 又在本發明中，該液壓控制閥更具有一中空固定元 件，係抵接於該第一活塞及該油封，以及該第三油室係成 形於該中空固定元件之中。 為使本發明之上述目的、特徵和優點能更明顯易懂， 下文特舉較佳實施例並配合所附圖式做詳細說明。 【實施方式】 茲配合圖式說明本發明之較佳實施例。 請參閱第2圖，本實施例之液壓煞車系統100主要包 括有一液壓控制閥110、一第一煞車總泵120、一第二煞車 總泵130以及一煞車卡鉗140。 0134-A21675TWF(N2)；A-437；hawdong 8 ‘1302130 如第2圖及第3圖所示，液壓控制閥110具有一第一 油ma、一第二油室Ulb、一第三油室uic、一第一 活基112a、一第二活塞11 n 暴112b、一第一彈性元件113a、一 弟^一彈性元件113b、一油4+ 11 a .. σ /由封114、一中空固定元件115及 一早向皮碗116。 111b及第三油室me皆容 第一油室111a、第二油 納有煞車油（未顯示）。 第一活塞U2a是以移動之方式設置於第-油室111a 與第三油室111c之間。 第一活塞U2b是以移動之方式設置於第-油室111a 與第二油室mb之間’並且第二活塞n2b是相對於第一 活塞112a。 第一彈性元件113a是連接於第一活塞112&與第二活 基112b之間，而第二彈性元件U3b是連接於第二活塞 112b與第二油室lllb之_㈣lub，之間。特別的是，第 一彈性το件113a及第二彈性元件U3b可預先具有適當大 小之預壓彈力。 油封114是抵接於第一活塞U2a與第三油室1Uc之 内壁11 lc之間。因此，藉由油封丨14之阻隔，第一油室 111a與第三油室lllc中之煞車油無法互相流通。 中空固疋元件115是鎖附於液壓控制閥丨丨〇，並且中 空固定元件115是抵接於第一活塞U2a及油封114，以用 來定位第一活塞112a之位置及固定油封114。特別的是， 在本貝加例之中，第二油室11丨c乃是成形於中空固定元件 〇134-A21675TWF(N2)；A-437；hawdong 1302130 115之中。 單向皮碗116是套設於第二活塞u2b之上，並且單向 皮碗116是抵接於第二油室mb之内壁mb，。在本實施 例之中，依單向皮碗116之設置方式（方向），第一油室 111a中之煞車油可經由單向皮碗116流至第二油室 之中，而第二油室111b中之煞車油無法經由單向皮碗116 流至第一油室111 a之中。 胃第一煞車總泵120 (例如，腳煞車總泵）是連通於液 壓控制閥110之第一油室llla。更詳細的來說，第一煞車 總泵120是藉由一油管ι51連通於液壓控制閥11〇之第一 油室llla。 第二煞車總泵130 (例如，手煞車總泵）是連通於液 壓控制閥110之第三油室lllc。更詳細的來說，第二煞車 總泵130是藉由一油管152連通於液壓控制閥11〇之第三 油室111 c。 煞車卡鉗140是連通於液壓控制閥11〇之第二油室 nib。更詳細的來說，煞車卡鉗140是藉由一油管153連 通於液壓控制閥110之第二油室lllb。 一當以第一煞車總泵120建立煞車油壓時，煞車油會從 第一油室llla經由單向皮碗116流向第二油室mb，以 驅使煞車卡鉗140做動。在煞車卡鉗14〇做動完畢後，部 份煞車油會從煞車卡鉗H0流回至第二油室mb之中，^ 推使第二活塞112b朝第-活塞112a方向移動。此時，單 向皮碗m會隨著第二活塞112b而移動至第一油室ιιι& 0134-A21675TWF(N2)；A-437；hawdong 10 1302130 之中（亦即，單向皮碗116不再抵接於第二油室mb之内 壁uib，），而煞車油即可流向第一油室1Ua及第一煞車 總泵120之中。最後’當第一油室1Ua與第二油室⑴匕 中之煞車油壓力達成平衡後，第二活塞㈣會因第二彈性 元件113b所提供之彈性回復力而移動至其原始位置處。此 ，，單向皮碗116又會移動至第二油室mb之中（亦即， 單向皮碗116會再次抵接於第二油室mb之内壁mb,)， 以將第一油室Ilia中之煞車油隔離於第二油室iub中之 煞車油。如上所述’由於單向皮碗116僅是在低壓之環境 下移動，故其較不易發生磨損。 在另一方面，當以第二煞車總泵13〇建立煞車油壓 時’煞車油會經由第三油室1Ue推動第—活塞心，進 而推動第二活塞112b，以將第二油室im中之煞車油推 、、:、、車卡在甘140。在煞車卡名甘14〇做動完畢後，部份煞車 油會從煞車卡钳14G流回至第二油室111b之中，並推使第 二活塞U2b朝第-活塞U2a方向移動。此時，第一活塞 11=會因第—舞性元件113a所提供之彈性回復力而移動 至其原始位置處。 、、’T、上所述，由於在第一煞車總泵120及/或第二煞車總 泵m建立煞車油壓時即可直接驅使煞車卡钳⑽做動， =液壓煞車“⑽並不會發生煞車做動時間差的問題， 而可提昇液壓煞車系統⑽之安全性能表現。 =然本發明已以較佳實施例揭露於上，然其並非用以 义疋本令明’任何熟習此項技藝者，在不脫離本發明之精 〇134-A21675TWF(N2)；A-437；hawd〇ng 1302130 神和範圍内，當可作些許之更動與潤飾，因此本發明之保 護範圍當視後附之申請專利範圍所界定者為準。1302130 IX. Description of the Invention: [Technical Field] The present invention relates to a hydraulic brake system, and more particularly to a hydraulic brake system that can provide a quick brake operation. [Prior Art] Referring to Figure 1, a hydraulic control valve 1 of a conventional hydraulic brake system mainly includes an oil chamber 10, two output holes 11, a first input hole 12, a second input hole 13, and a bypass hole. 15. A piston 20, a spring 30, a first oil seal 61 and a second oil seal 62. The two output holes 11 are all connected to the oil chamber 10, and are respectively connected to a brake caliper (not shown) by a tubing 50. The piston 20 is disposed in the oil chamber 10 in a moving manner and has a first end surface 21 and a second end surface 22. The first input hole 12 is connected to the first end face 21 of the piston 20, and the first input hole 12 is connected to a first brake master cylinder (not shown, for example, an ankle master cylinder) by a tubing 51. The second input hole 13 is connected to the piston 20, and the second input hole 13 is connected to a second brake master cylinder (not shown, for example, a hand brake master cylinder) by a tubing 52. The bypass hole 15 is connected to the oil chamber 10. The spring 30 is coupled between an inner end surface 10a of the oil chamber 10 and a second end surface 22 of the piston 20. The first oil seal 61 is disposed on the first end face 21 of the piston 20, and the first oil seal 61 abuts against the wall surface of the oil chamber 10 and between the first input hole 12 and the second input hole 13. The second oil seal 62 is disposed on the second end surface 22 of the piston 20, and the second oil seal 62 abuts against the wall surface of the oil chamber 10 and between the second input hole 13 and the bypass hole 15. 0134-A21675TWF(N2);A-437;hawdong 6 J302130 - As shown in Fig. 1, when the brake oil pressure is established by the first brake master cylinder, the brake oil pushes the first piston 20 through the first input hole 12. The end face 21, - moves the piston 20 in the direction of the output aperture 11. At this time, the second oil seal 62 disposed on the second end surface 22 of the piston 20 passes through the bypass hole 15, and the brake oil in the oil chamber 10 is pushed toward the brake caliper via the output hole 11 to force the brake caliper to move. . On the other hand, when the brake oil pressure is established by the second brake master cylinder, the brake oil is pushed toward the brake caliper via the second input hole 13, the bypass hole 15, and the oil chamber 10 to force the brake caliper to move. • As mentioned above, the hydraulic control valve 1 of the conventional hydraulic brake system has some disadvantages. First, when the brake oil pressure is established by the first brake master cylinder, the second oil seal 62 passes through the bypass hole 15 in the high pressure environment of the piston 20, so the second oil seal 62 is often caused by the hole wall of the bypass hole 15 Wear occurs due to friction. Secondly, when the brake oil pressure is established by the first brake master cylinder, it is necessary to wait until the second oil seal 62 passes through the bypass hole 15, and the brake oil in the oil chamber 10 is pushed to the brake caliper via the output hole 11, thereby making The time difference between the brakes of the brake calipers is generated. That is to say, when the first brake master cylinder is used to establish the brake oil pressure, the brake caliper does not act immediately, which may cause safety problems. In view of this, it is an object of the present invention to provide a hydraulic brake system that provides fast and safe braking operations. SUMMARY OF THE INVENTION The present invention basically employs the features detailed below in order to solve the above problems. That is, the present invention includes a hydraulic control valve having a first oil chamber, a second oil chamber, a third oil chamber, a first piston, a 0314-A21675TWF (N2); A-437; hawdong .1302130 a second piston, a first elastic element, a second elastic element, an oil seal and a one-way cup, wherein the first oil chamber, the second oil chamber and the third oil chamber receive a brake oil The first piston is disposed between the first oil chamber and the third oil chamber in a moving manner, and the second piston is disposed between the first oil chamber and the second oil chamber in a moving manner. And the first elastic element is connected between the first piston and the second piston, and the second elastic element is connected to one of the second piston and the second oil chamber Between the inner walls, the oil seal is abutted between the first piston and an inner wall of the third oil chamber, and the one-way cup is sleeved on the second piston and is in contact with the first piston The inner wall of the second oil chamber; a first brake master cylinder connected to the first oil chamber; and a second brake master cylinder connected And the brake caliper is connected to the second oil chamber. Meanwhile, according to the hydraulic brake system of the present invention, the brake oil in the first oil chamber flows into the second oil chamber via the one-way cup. In still another aspect of the invention, the hydraulic control valve further has a hollow fixing member that abuts against the first piston and the oil seal, and the third oil chamber is formed in the hollow fixing member. The above described objects, features and advantages of the present invention will become more apparent from the description of the appended claims. [Embodiment] A preferred embodiment of the present invention will be described with reference to the drawings. Referring to FIG. 2, the hydraulic brake system 100 of the present embodiment mainly includes a hydraulic control valve 110, a first brake master cylinder 120, a second brake master pump 130, and a brake caliper 140. 0134-A21675TWF(N2); A-437;hawdong 8 '1302130 As shown in Figures 2 and 3, the hydraulic control valve 110 has a first oil ma, a second oil chamber U1b, and a third oil chamber uic. a first active base 112a, a second piston 11n storm 112b, a first elastic element 113a, a second elastic element 113b, an oil 4+11 a .. σ / a seal 114, a hollow fixed component 115 and 116 to the skin in the morning. The first oil chamber 111a and the second oil chamber have a brake oil (not shown). The first piston U2a is disposed between the first oil chamber 111a and the third oil chamber 111c in a moving manner. The first piston U2b is disposed between the first oil chamber 111a and the second oil chamber mb in a moving manner and the second piston n2b is opposed to the first piston 112a. The first elastic member 113a is connected between the first piston 112& and the second movable base 112b, and the second elastic member U3b is connected between the second piston 112b and the (four) lub of the second oil chamber 111b. In particular, the first elastic member 113a and the second elastic member U3b may have a pre-compression force of an appropriate size in advance. The oil seal 114 is abutted between the first piston U2a and the inner wall 11 lc of the third oil chamber 1Uc. Therefore, by the barrier of the oil seal 14, the brake oil in the first oil chamber 111a and the third oil chamber 111c cannot flow each other. The hollow solid element 115 is locked to the hydraulic control valve 丨丨〇, and the hollow fixed element 115 abuts against the first piston U2a and the oil seal 114 for positioning the first piston 112a and fixing the oil seal 114. In particular, in the Benbe addition, the second oil chamber 11丨c is formed in the hollow fixing member 〇134-A21675TWF(N2); A-437; hawdong 1302130115. The one-way cup 116 is sleeved on the second piston u2b, and the one-way cup 116 abuts against the inner wall mb of the second oil chamber mb. In this embodiment, according to the manner (direction) of the one-way cup 116, the brake oil in the first oil chamber 111a can flow into the second oil chamber through the one-way cup 116, and the second oil chamber The brake oil in 111b cannot flow into the first oil chamber 111a via the one-way cup 116. The stomach first brake master cylinder 120 (e.g., the pedal master cylinder) is a first oil chamber 111a that communicates with the hydraulic pressure control valve 110. More specifically, the first brake master cylinder 120 is connected to the first oil chamber 111a of the hydraulic control valve 11 via a tubing ι51. The second brake master cylinder 130 (e.g., the hand brake master cylinder) is a third oil chamber 111c that is in communication with the hydraulic pressure control valve 110. More specifically, the second brake master cylinder 130 is connected to the third oil chamber 111c of the hydraulic control valve 11 via a tubing 152. The brake caliper 140 is a second oil chamber nib that is connected to the hydraulic control valve 11A. More specifically, the brake caliper 140 is connected to the second oil chamber 111b of the hydraulic control valve 110 via a tubing 153. When the brake oil pressure is established by the first brake master cylinder 120, the brake oil flows from the first oil chamber 111a to the second oil chamber mb via the one-way cup 116 to drive the brake caliper 140 to move. After the brake caliper 14 〇 is completed, part of the brake oil flows back from the brake caliper H0 to the second oil chamber mb, and the second piston 112b is pushed in the direction of the first piston 112a. At this time, the one-way cup m moves with the second piston 112b to the first oil chamber ιιι & 0134-A21675TWF (N2); A-437; hawdong 10 1302130 (that is, the one-way cup 116 does not Then, it is abutted against the inner wall uib of the second oil chamber mb, and the brake oil can flow into the first oil chamber 1Ua and the first brake master cylinder 120. Finally, when the first oil chamber 1Ua is balanced with the brake oil pressure in the second oil chamber (1), the second piston (four) is moved to its original position by the elastic restoring force provided by the second elastic member 113b. Thus, the one-way cup 116 moves into the second oil chamber mb (that is, the one-way cup 116 will again abut against the inner wall mb of the second oil chamber mb), so that the first oil chamber The brake oil in Ilia is isolated from the brake oil in the second oil chamber iub. As described above, since the one-way cup 116 is only moved in a low pressure environment, it is less prone to wear. On the other hand, when the brake oil pressure is established by the second brake master cylinder 13〇, the brake oil pushes the first piston core through the third oil chamber 1Ue, thereby pushing the second piston 112b to move the second oil chamber im After the car oil push,,:,, the car is stuck in Gan 140. After the brake card name Gan 14 is completed, part of the brake oil will flow back from the brake caliper 14G to the second oil chamber 111b, and push the second piston U2b toward the first piston U2a. At this time, the first piston 11 = will move to its original position due to the elastic restoring force provided by the first dance element 113a. , 'T, above, because the first brake master cylinder 120 and / or the second brake master cylinder m to establish the brake oil pressure can directly drive the brake caliper (10) to do, = hydraulic brake "(10) does not happen The brakes can be used to improve the safety performance of the hydraulic brake system (10). However, the present invention has been disclosed in the preferred embodiment, but it is not intended to be used by anyone skilled in the art. Without departing from the essence of the present invention, 134-A21675TWF (N2); A-437; hawd〇ng 1302130, within the scope of God, when some changes and retouching can be made, the scope of protection of the present invention is attached to the application. The scope defined by the patent scope shall prevail.
0134-A21675TWF(N2)；A-437；hawdong 12 1302130 ~ 【圖式簡單說明】 第1圖係顯示一習知之液壓煞車系統之液壓控制閥之 剖面示意圖； ' 第2圖係顯示本發明之液壓煞車系統之部份剖面示意 圖；以及 第3圖係顯示本發明之液壓煞車系統之液壓控制閥之 剖面示意圖。 • 【主要元件符號說明】 1、110〜液壓控制閥 10〜油室 10a〜内端面 11〜輸出孔 12〜第一輸入孔 13〜第二輸入孔 • 15〜旁通孔 20〜活塞 21〜第一端面 22〜第二端面 30〜彈簧 50、51、52、151、152、153〜油管 61〜第一油封 62〜第二油封 100〜液壓煞車系統 0134-A21675TWF(N2)；A-437；hawdong 13 (?>/ •13021300134-A21675TWF(N2);A-437;hawdong 12 1302130 ~ [Simple description of the drawings] Fig. 1 is a schematic cross-sectional view showing a hydraulic control valve of a conventional hydraulic brake system; 'Fig. 2 shows the hydraulic pressure of the present invention A schematic cross-sectional view of a brake system; and a third diagram showing a schematic view of a hydraulic control valve of the hydraulic brake system of the present invention. • [Main component symbol description] 1. 110~ hydraulic control valve 10 to oil chamber 10a to inner end surface 11 to output hole 12 to first input hole 13 to second input hole • 15 to bypass hole 20 to piston 21 to One end surface 22 to second end surface 30 to spring 50, 51, 52, 151, 152, 153 to oil pipe 61 to first oil seal 62 to second oil seal 100 to hydraulic brake system 0334-A21675TWF (N2); A-437; hawdong 13 (?>/ •1302130
Ilia- ^第一油室 111b- ^第二油室 111b， 、111c’〜内壁 111c〜第三油室 112a- 。第一活塞 112b- 、第二活塞 113a〜第一彈性元件 113b- ^第二彈性元件 114〜 油封 115〜 中空固定元件 116〜 單向皮碗 120〜 第一煞車總泵 130〜 第二煞車總泵 140〜 煞車卡鉗Ilia-^ first oil chamber 111b-^ second oil chamber 111b, 111c'~ inner wall 111c~ third oil chamber 112a-. First piston 112b-, second piston 113a to first elastic member 113b-^second elastic member 114~ oil seal 115~ hollow fixing member 116~ one-way cup 120~ first brake master cylinder 130~ second brake master cylinder 140~ brake caliper
0134-A21675TWF(N2)；A-437；hawdong 140134-A21675TWF(N2); A-437;hawdong 14