CN201347923Y - Exhaust plant of clutch hydraulic system and braking hydraulic system - Google Patents
Exhaust plant of clutch hydraulic system and braking hydraulic system Download PDFInfo
- Publication number
- CN201347923Y CN201347923Y CNU2008201384102U CN200820138410U CN201347923Y CN 201347923 Y CN201347923 Y CN 201347923Y CN U2008201384102 U CNU2008201384102 U CN U2008201384102U CN 200820138410 U CN200820138410 U CN 200820138410U CN 201347923 Y CN201347923 Y CN 201347923Y
- Authority
- CN
- China
- Prior art keywords
- bleed screw
- groove
- cylindrical body
- sealing gasket
- hydraulic system
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/28—Valves specially adapted therefor
- B60T11/30—Bleed valves for hydraulic brake systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
- B60T17/222—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems by filling or bleeding of hydraulic systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model relates to an exhaust plant, in particular to the exhaust plant of an automobile clutch hydraulic system and a braking hydraulic system. The exhaust plant of the automobile clutch hydraulic system and the braking hydraulic system comprises a dust cap, an air bleed screw, an air exit hole, a cylinder, a through hole, an exhaust pipe, a hydraulic pressure spare part and the like; wherein the air bleed screw is arranged below the dust cap and connected with the air exit hole in the exhaust plant; the cylinder in the air bleed screw is transversely provided with the through hole; the exhaust pipe is vertically communicated with the through hole; and the air bleed screw is connected with the hydraulic pressure spare part. The upper part of the through hole of the cylinder in the air bleed screw is provided with a round socket which is internally provided with an O-shaped sealing ring matched with the round socket; the bottom of the cylinder of the air bleed screw is provided with a socket which is internally provided with a gland bush matched and fixed with the socket; the height of the gland bush is larger than the height of the socket. The exhaust plant with good leak tightness, strong reliability, high sensitivity, low manufacturing difficulty and universality is provided.
Description
Technical field
The utility model relates to a kind of venting gas appliance, the venting gas appliance of particularly a kind of automobile clutch hydraulic system and hydraulic braking system.
Background technique
Automobile clutch hydraulic system and hydraulic braking system are when the initial stage of use, and internal system does not generally have gas to exist, but after having used a period of time, internal system then might have air to enter; Because the existence of internal system air, the situation of pressure or efficient reduction might appear not building in system, then might cause the malfunctioning situation of brake failure or clutch system, brings hidden danger to safety; Therefore in clutch fluid pressing system and hydraulic braking system, venting gas appliance must be arranged, and utilize this device regularly system to be carried out exhaust.
In producing clutch fluid pressing system and hydraulic braking system product process, venting gas appliance need be assembled on the hydraulic system product with certain screw-down torque; At the use initial stage, this venting gas appliance generally is obsolete, but need seal, thereby preventing that liquid from flowing out from hydraulic part causes hydraulic part not build the situation of pressure; In case have air to exist in clutch fluid pressing system and the hydraulic braking system, then the maintenance man need clocklike turn on venting gas appliance and tighten, and continually apply certain pressure or power to system, the air of system will be discharged from exhaust port like this.
What the venting gas appliance that uses in automobile clutch hydraulic system and hydraulic braking system at present adopted substantially is the linear sealing structure, this structure requires very high to the accuracy of manufacturing of single part, in case the size of part has small defective, might cause venting gas appliance phenomenons such as leakage of oil to occur under non-working condition; Venting gas appliance is being assembled in the hydraulic part process, high especially to the requirement of assembling equally, necessity will reach the screw-down torque of regulation etc., in case the deviation of being equipped with then oil leakage phenomenon might occur.
Chinese patent CN201103702 discloses a kind of outlet valve of hydraulic system, and it has solved existing exhaust structure complexity, and bleeding is loaded down with trivial details, technical problems such as poor stability.The outlet valve of this hydraulic system, comprise a tubular valve body, the exhaust port that has a perforation in the valve body, its two ends are respectively suction port and relief opening, in above-mentioned exhaust port, be equipped with one and be limited in Sealing movable in the exhaust port, can make Sealing be in contact with it and form the sealing surface of sealing near having on the hole wall of relief opening one side in the described valve body exhaust port, in above-mentioned exhaust port, be provided with spring, when above-mentioned Sealing contacted with sealing surface, the two ends of spring difference roof pressure was in the exhaust ports of Sealing and valve body.
Summary of the invention
The utility model mainly is to solve the deficiencies in the prior art, provide a kind of good airproof performance, good reliability, highly sensitive, manufacture difficulty is low, the venting gas appliance that has extensive versatility on the venting gas appliance of hydraulic system.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
The venting gas appliance of a kind of clutch fluid pressing system and hydraulic braking system, comprise that dust cap, dust cap have that bleed screw, bleed screw are connected with exhaust port in the venting gas appliance, laterally be provided with penetration hole, outlet pipe on the cylindrical body in the bleed screw and vertically be communicated with penetration hole, bleed screw assembly such as be connected with hydraulic part and constitute, the top of cylindrical penetration hole is provided with round groove in the described bleed screw, be provided with the O RunddichtringO in the described round groove, O RunddichtringO and round groove are complementary; Cylindrical bottom is provided with groove in the described bleed screw, is provided with sealing gasket in the described groove, and sealing gasket and groove are complementary fixing, and sealing gasket is a little more than groove.The O RunddichtringO mainly has been the effect of sealing, prevent that liquid from flowing out from the screw thread of bleed screw, prevent when system is carried out pump-down process simultaneously that liquid from flowing out from hydraulic part is inner, thereby cause bleed screw and exhaust port helical thread portion the situation of skidding or losing efficacy to occur; Sealing gasket is installed in that cylindrical bottom is provided with in the groove in the bleed screw, also play the effect of sealing, same hole in the exhaust port is blocked, prevented that liquid from flowing out from hydraulic part is inner, guaranteed that simultaneously clutch fluid pressing system and brake fluid system can set up certain pressure.Dust cap is installed in the oil outlet place of bleed screw.Sealing gasket and O RunddichtringO are used, and can play extraordinary sealing and Security.The height of sealing gasket could be realized the effect of sealing gasket greater than the height of groove.
As preferably, described sealing gasket is the cylindrical body rubber parts, and the two ends of described sealing gasket are circular inner groovy; In the groove of described cylindrical body bottom boss is arranged, have an end of boss and sealing gasket to be complementary in the cylindrical body bottom groove; Also be provided with several equally distributed tread plates around the described cylindric sealing gasket, tread plate and cylindrical body bottom groove madial wall are complementary.Have an end of boss and sealing gasket to be complementary in the cylindrical body bottom groove, can make sealing gasket and boss that certain effect of fixedlying connected is arranged, sealing gasket has very high elasticity for the cylindrical body rubber parts, and the ability of catching a cold of being heated simultaneously is strong; Also be provided with several equally distributed tread plates around the cylindric sealing gasket, tread plate and cylindrical body bottom groove madial wall be close-fitting mutually, can be fixed on sealing gasket in the cylindrical body bottom groove reliability during the increase exhaust.
As preferably, described cylindrical body end edge is along being provided with several equally distributed cams, and described cam matches with the exhaust port inwall.The cylindrical body end edge is along being provided with several equally distributed cams, and the design of cam can make gas by certain route when exhaust, flows out from exhaust port, enters the penetration hole of the cylindrical body middle-end in the bleed screw then, reaches the effect of venting.
The venting gas appliance of clutch fluid pressing system of the present utility model and hydraulic braking system, good airproof performance, good reliability, highly sensitive, manufacture difficulty is low, the venting gas appliance that has extensive versatility on the venting gas appliance of hydraulic system.
Description of drawings
Fig. 1 is a generalized section of the present utility model;
Fig. 2 is the generalized section of the utility model with the hydraulic part device;
Fig. 3 is the generalized section of the novel working principle of this reality.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: as shown in Figure 1, the venting gas appliance of described clutch fluid pressing system and hydraulic braking system, be connected with exhaust port 10 in the hydraulic part by bleed screw 12, laterally be provided with penetration hole 9 on the cylindrical body 2 in the bleed screw 12, the outlet pipe 1 vertical penetration hole 9 that is communicated with, bleed screw 12 compositions such as composition that are connected with hydraulic part, bleed screw 12 is connected by screw thread with hydraulic part, downside at bleed screw 12 screw threads is a cylindrical body 2, on cylindrical body 2, laterally be provided with penetration hole 9, be provided with round groove 13 on the top of penetration hole 9, in round groove 13, be provided with O RunddichtringO 3, described O RunddichtringO 3 is complementary with round groove 13, and O RunddichtringO 3 is made for rubber parts; The bottom of cylindrical body 2 is provided with groove in bleed screw 12, one boss 11 is arranged in the described groove, on the groove inwall, also be provided with several anti-slip tanks, in groove, be provided with sealing gasket 4, sealing gasket 4 is a cylindrical body, and the two ends of sealing gasket 4 are circular inner groovy 7, and the boss 11 in the bottom groove of circular inner groovy 7 and cylindrical body 2 is complementary, also be provided with several equally distributed tread plates 5 around sealing gasket 4, the anti-slip tank on tread plate 5 and the cylindrical body 2 bottom groove madial walls is complementary; Cylindrical body 2 end edge are along being provided with several equally distributed cams 6, and described cam 6 matches with exhaust port 10 inwalls.
As shown in Figure 2, dust cap 8 is installed on the bleed screw 12, prevent that dust and other foreign matters from entering in the venting gas appliance assembly, bleed screw 12 is screwed in the hydraulic part, is connected with exhaust port 10 in the hydraulic part around the circular inner groovy of sealing gasket 4 one ends in the bleed screw 12.
As shown in Figure 3, when there is gas hydraulic part inside, the personnel of needing repairing utilize above-described venting gas appliance to carry out system exhaust, its exhaust flow path is as follows: have in hydraulic system under the situation of certain hydraulic pressure, the maintenance man utilizes spanner the venting gas appliance assembly to be turned on to a certain degree (the screw thread 2-3 tooth of generally back-outing), like this under the effect of hydraulic pressure, intrasystem gas can flow out from the exhaust port of hydraulic part along with liquid, flow out along the gap of bleed screw and hydraulic part then, owing to have an O type to enclose seal action on the venting gas appliance, liquids and gases can only flow to the penetration hole of bleed screw, and final liquid and gas just flow to the outlet pipe of bleed screw and they is discharged to hydraulic part and venting gas appliance outside together.
Generally, gas can not be discharged in an exhaust process fully, therefore after finishing exhaust for the first time, the maintenance man need be tightened in the venting gas appliance assembly on the hydraulic part and its seal action once more, after allowing hydraulic part continue to set up hydraulic pressure then, once more according to above flow operations, allow air scavenge in the hydraulic part.So repeatedly several times, after not having gas substantially in the liquid of seeing discharge, the maintenance man need be tightened in the spanner of venting gas appliance with regulation on the hydraulic part with certain moment of torsion, and whole like this exhaust process has just all been finished.
Claims (3)
1, the venting gas appliance of a kind of clutch fluid pressing system and hydraulic braking system, comprise dust cap (8), dust cap (8) has bleed screw (12), bleed screw (12) is connected with exhaust port (10) in the hydraulic part, laterally be provided with penetration hole (9) on the cylindrical body (2) in the bleed screw (12), outlet pipe (1) vertically is communicated with penetration hole (9), assembly formations such as bleed screw (12) is connected with hydraulic part, it is characterized in that: the top of the penetration hole (9) of cylindrical body (2) is provided with round groove (13) in the described bleed screw (12), be provided with O RunddichtringO (3) in the described round groove (13), O RunddichtringO (3) is complementary with round groove (13); The bottom of cylindrical body (2) is provided with groove in the described bleed screw (12), is provided with sealing gasket (4) in the described groove, and sealing gasket (4) and groove are complementary fixing, and sealing gasket (4) is a little more than groove.
2, the venting gas appliance of clutch fluid pressing system according to claim 1 and hydraulic braking system is characterized in that: described sealing gasket (4) is the cylindrical body rubber parts, and the two ends of described sealing gasket (4) are circular inner groovy (7); In the groove of described cylindrical body (2) bottom boss (11) is arranged, have a boss (11) and an end of sealing gasket (4) to be complementary in cylindrical body (2) bottom groove; Also be provided with several equally distributed tread plates (5) around the described cylindric sealing gasket (4), tread plate (5) is complementary with cylindrical body (2) bottom groove madial wall.
3, the venting gas appliance of clutch fluid pressing system according to claim 1 and 2 and hydraulic braking system, it is characterized in that: described cylindrical body (2) end edge is along being provided with several equally distributed cams (6), and described cam (6) matches with exhaust port (10) inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201384102U CN201347923Y (en) | 2008-09-18 | 2008-09-18 | Exhaust plant of clutch hydraulic system and braking hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201384102U CN201347923Y (en) | 2008-09-18 | 2008-09-18 | Exhaust plant of clutch hydraulic system and braking hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201347923Y true CN201347923Y (en) | 2009-11-18 |
Family
ID=41367393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201384102U Expired - Lifetime CN201347923Y (en) | 2008-09-18 | 2008-09-18 | Exhaust plant of clutch hydraulic system and braking hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201347923Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133462A (en) * | 2011-11-22 | 2013-06-05 | 江西福事特液压有限公司 | Automatic venting and pressure-measuring joint |
| CN103620235A (en) * | 2011-05-24 | 2014-03-05 | 派克汉尼芬公司 | Hydraulic system de-aeration device |
| CN103791006A (en) * | 2014-01-28 | 2014-05-14 | 浙江亚太机电股份有限公司 | Oil feeding and gas discharging structure of all-plastic wheel cylinder of automobile drum brake |
| CN104421354A (en) * | 2013-09-05 | 2015-03-18 | 舍弗勒技术股份两合公司 | Exhaust gear and method for exhausting liquid guide pipeline |
| CN106585607A (en) * | 2015-10-14 | 2017-04-26 | 福特全球技术公司 | Wheel brake cylinder residual-air monitor and associated method |
| CN108571538A (en) * | 2018-07-18 | 2018-09-25 | 北汽福田汽车股份有限公司 | Exhaust apparatus and vehicle for vehicle clutch system |
-
2008
- 2008-09-18 CN CNU2008201384102U patent/CN201347923Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103620235A (en) * | 2011-05-24 | 2014-03-05 | 派克汉尼芬公司 | Hydraulic system de-aeration device |
| CN103620235B (en) * | 2011-05-24 | 2016-08-31 | 派克汉尼芬公司 | Hydraulic system de-aeration device |
| CN103133462A (en) * | 2011-11-22 | 2013-06-05 | 江西福事特液压有限公司 | Automatic venting and pressure-measuring joint |
| CN103133462B (en) * | 2011-11-22 | 2015-05-06 | 江西福事特液压有限公司 | Automatic venting and pressure-measuring joint |
| CN104421354A (en) * | 2013-09-05 | 2015-03-18 | 舍弗勒技术股份两合公司 | Exhaust gear and method for exhausting liquid guide pipeline |
| CN103791006A (en) * | 2014-01-28 | 2014-05-14 | 浙江亚太机电股份有限公司 | Oil feeding and gas discharging structure of all-plastic wheel cylinder of automobile drum brake |
| CN106585607A (en) * | 2015-10-14 | 2017-04-26 | 福特全球技术公司 | Wheel brake cylinder residual-air monitor and associated method |
| CN108571538A (en) * | 2018-07-18 | 2018-09-25 | 北汽福田汽车股份有限公司 | Exhaust apparatus and vehicle for vehicle clutch system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091118 |