CN107433941A - Hermetical connecting structure, brake fluid system and the vehicle of brake hard tube - Google Patents
Hermetical connecting structure, brake fluid system and the vehicle of brake hard tube Download PDFInfo
- Publication number
- CN107433941A CN107433941A CN201610361539.9A CN201610361539A CN107433941A CN 107433941 A CN107433941 A CN 107433941A CN 201610361539 A CN201610361539 A CN 201610361539A CN 107433941 A CN107433941 A CN 107433941A
- Authority
- CN
- China
- Prior art keywords
- hard tube
- brake hard
- joint
- connecting structure
- brake
- 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.)
- Pending
Links
Classifications
-
- 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
- B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
- B60T17/043—Brake line couplings, air hoses and stopcocks
Abstract
The present invention relates to brakes field, a kind of Hermetical connecting structure of brake hard tube, brake fluid system and vehicle are provided, the Hermetical connecting structure includes being used for the joint for connecting the brake hard tube, the joint is formed with endoporus, formed with annular groove on the perisporium of the endoporus, the brake hard tube inserting is connected in the endoporus and extends beyond the annular groove, and is provided with the annular groove for making the brake hard tube and the joint be formed as the elastic sealing element of sealed connection.Hermetical connecting structure of the present invention reaches sealing effectiveness by the elastic sealing element being arranged in the annular groove of joint, the connection fastening force and small play of brake hard tube and joint do not interfere with its sealing, the possibility of oil leak is smaller, has higher reliability.
Description
Technical field
The present invention relates to brakes technical field, the sealed connection knot of more particularly to a kind of brake hard tube
Structure.On this basis, the invention further relates to a kind of brake fluid system and vehicle.
Background technology
Brake fluid system is by being converted to hydraulic coupling by brake pedal force and being transferred to brake to implement
Braking, because it has, the reaction time is short, stability is good and is used widely.Brake pipe is used for
Brake fluid force feed is transmitted in hydraulic braking system, to avoid due to being expanded during pressure oil is transmitted
And larger pressure can be born, brake pipe is ordinarily selected to brake hard tube.Ideally, brake
Hard tube is longer, and the possibility that brake circuit leaks is smaller.But for factors such as processing, convenient transportations
Consideration, brake hard tube needs to be designed as rational length, and connects and pass through by joint when in use
Appropriate ways are sealed.
Fig. 1 show a kind of Hermetical connecting structure of brake hard tube, including brake hard tube 1, joint 2 with
And the threaded fastener 3 for being sealedly connected on brake hard tube 1 on joint 2.Wherein, joint 2 has
Female stepped hole is formed, the bottom of the stepped hole is taper enlarging 4；The end of brake hard tube 1
Portion is formed as elastic bend part 5., will be when threaded fastener 3 is screw-coupled in the stepped hole of joint 2
The elastic bend part 5 of brake hard tube 1 applies pressure, deforms it and is in close contact (linear contact lay) taper
Enlarging 4, to reach the purpose of sealed connection.
However, above-mentioned, the prior art is defective, passes through the appearance in sealing contact of brake hard tube 1 and joint 2
The influence collided with being vulnerable in manufacturing deficiency and transport, it is prone to the problems such as oil leak.In addition, this is close
Sealing-in, which is touched, needs threaded fastener 3 to keep sufficient fastening force, in sealing contact after the torque that is spirally connected decays
Thrust deficiency, the problem of also resulting in permeability, oil leak, and then make it that braking is unreliable.It is this close
Seal attachment structure and the problems such as assembling is difficult also be present.
The content of the invention
In view of this, the present invention is directed to propose a kind of Hermetical connecting structure of brake hard tube, so that it is sealed
Property is substantially not subject to the influence of fastening force, has higher reliability.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of Hermetical connecting structure of brake hard tube, the Hermetical connecting structure include being used to connect the system
The joint of dynamic hard tube, the joint is formed with endoporus, formed with annular groove on the perisporium of the endoporus,
The brake hard tube inserting is connected in the endoporus and extends beyond the annular groove, and the ring
It is provided with connected in star for making the brake hard tube and the joint be formed as the elastic close of sealed connection
Sealing.
Further, the elastic sealing element has annular shape and internal diameter is less than the outer of the brake hard tube
Footpath.
Further, the elastic sealing element be open side towards along the endoporus axially away from the system
The C-shaped leather cup or E shape leather cups of dynamic hard tube side.
Further, the Hermetical connecting structure also includes being used to the brake hard tube being fastenedly connected to institute
State the fastener on joint.
Further, the fastener is the threaded fastener being screw-coupled on the joint.
Further, the threaded fastener has external screw thread, and the joint, which has, is used for the spiral shell that is spirally connected
The internal thread of line fastener.
Further, the nominal bore diameter of the internal thread is more than the internal diameter of the endoporus, so that the joint
With positioning step portion, the brake hard tube has convex edge, in connected state, the positioning
Flange part is clamped to be positioned between the end of the threaded fastener and the positioning step portion.
Further, the both ends of the joint are sealedly connected with the brake hard tube respectively.
Relative to prior art, Hermetical connecting structure of the present invention has the advantage that：
(1) Hermetical connecting structure of the present invention passes through the elasticity that is arranged in the annular groove of joint
Seal reaches sealing effectiveness, and the connection fastening force and small play of brake hard tube and joint do not interfere with it
Sealing, the possibility of oil leak is smaller, has higher reliability.
(2) brake hard tube of the present invention can be clamped and located at threaded fastener with connecing by setting
Position is connected on joint depending on convex edge between the positioning step portion of head, is easy to position in assembling
And installation, and brake hard tube play can be prevented in use.
Another object of the present invention is to propose a kind of Hydraulic braking system with above-mentioned Hermetical connecting structure
System and the vehicle with the brake fluid system
The Hermetical connecting structure of the brake fluid system and vehicle and above-mentioned brake hard tube is relative to existing
Advantage is essentially identical possessed by technology, will not be repeated here.Pass through brake hard tube provided by the invention
Hermetical connecting structure, can be reliably carried out braking, vehicle safety is more preferable, and can reduce maintenance into
This.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, of the invention
Schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.
In accompanying drawing：
Fig. 1 is a kind of Hermetical connecting structure schematic diagram of brake hard tube in the prior art；
Fig. 2 is the Hermetical connecting structure schematic diagram of the brake hard tube described in the embodiment of the present invention；
Fig. 3 is the cross section structure diagram of the brake hard tube of Hermetical connecting structure in Fig. 2；
Fig. 4 is the cross section structure diagram of the joint of Hermetical connecting structure in Fig. 2, wherein, annular groove
Inside it is provided with elastic sealing element；
Fig. 5 is the cross section structure diagram of the elastic sealing element in Fig. 3.
Description of reference numerals：
1- brake hard tubes, 2- joints, 3- threaded fasteners, 4- taper enlargings, 5- elastic bend parts, 6-
Endoporus, 7- annular grooves, 8- elastic sealing elements, 9- positioning steps portion, 10- convexes edge.
Embodiment
It should be noted that in the case where not conflicting, the spy in embodiment and embodiment in the present invention
Sign can be mutually combined.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Shown in reference picture 2, according to a kind of sealed connection knot of the brake hard tube of embodiment of the present invention
Structure, including joint 2 and the brake hard tube 1 that is connected on the joint 2.It is understood that although figure
Show that the both ends of embodiment center tap 2 are connected to brake hard tube 1 to form continuous conveying oil circuit,
But joint 2 can also be the structure on hydraulic part, such as the jointing on hydraulic valve.
Wherein, for the joint 2 formed with endoporus 6, the hydraulic oil from brake hard tube 1 can be by this
Endoporus 6 conveys.Inserted on the perisporium of the endoporus 6 formed with annular groove 7, the brake hard tube 1
It is connected in the endoporus 6 and extends beyond the annular groove 7, and is set in the annular groove 7
Flexible seal 8, the sealed elastic part 8 enable to brake hard tube 1 and the joint 2 shape
As be tightly connected with prevent conveying hydraulic oil pass through the connecting portion seepage.
Thus, Hermetical connecting structure of the invention can be by being arranged in the annular groove 7 of joint 2
Elastic sealing element 8 reaches sealing effectiveness, connection fastening force and small play of the brake hard tube 1 with joint 2
Its sealing is not interfered with, the possibility of oil leak is smaller, has higher reliability.This will then tied
Close the more obvious of the performance in preferred embodiment.
In the present invention, elastic sealing element 8 can be formed as multiple structural forms, as long as it can connect
Keep close with the surface of the annular groove 7 and the outer surface of brake hard tube 1 in first 2 annular groove 7
Contact, formed " sealed connection ", belong to the concept of the present invention.For example, elastic sealing element 8
Can be the rubber ring that internal diameter is smaller and/or external diameter is larger, so as to be compressed and divided after mounting
It is not in close contact with annular groove 7 and brake hard tube 1, closing hydraulic oil passes through the logical of contact position seepage
Road.
In a preferred embodiment of the invention, with reference to shown in Fig. 2, Fig. 4 and Fig. 5, elastic sealing element
8 be C-shaped leather cup, and the open side of the C-shaped leather cup is towards the endoporus 6 along joint 2 axially away from corresponding
Brake hard tube 1 side.In other words, the opening direction of the C-shaped leather cup and hydraulic pressure oil seepage (trend)
Direction it is relative.Thus, the hydraulic oil with seepage trend will produce pressure on the inside of C-shaped leather cup, make
The annular groove 7 or brake hard tube 1 for obtaining its outer ledge and joint 2 are in close contact, and improve sealing effectiveness,
Effectively prevent the seepage of hydraulic oil.It is understood that C-shaped leather cup described herein has as shown in Figure 5
C-shaped (or V-arrangement) section configuration.Alternatively, elastic sealing element 8 herein
Can also be the E shape leather cups with E shape section configurations.
As can be seen that in the present invention, brake hard tube 1 is disobeyed with the sealing at the link position of joint 2
The fastening forces of Lai Yu therebetween, sealed not thus without when being collided with, fastening force is decayed
It is good.In this case, brake hard tube 1 can be fastenedly connected on joint 2 in many ways, for example,
Screw thread can be formed respectively on brake hard tube 1 and joint 2, to be screwed together.For another example, Ke Yili
Realized and be fastenedly connected with fasteners such as buckle, latches.
As illustrated in fig. 2, in the preferred embodiment of the present invention, fastener is threaded fastener
3, the threaded fastener 3 is screw-coupled on joint 2 and limits the relative position of brake hard tube 1.Specifically,
External screw thread can be formed on threaded fastener 3, correspondingly, internal thread is formed on joint 2, passes through
Brake hard tube 1 is fixed on threaded fastener 3 or brake hard tube 1 is limited by the threaded fastener 3
Position and the brake hard tube 1 is connected to joint 2., can be in screw thread as a kind of variant embodiment
Internal thread is formed on fastener 3, and external screw thread is formed on the side face of the close end of joint 2, equally
It can be realized and connected by screw connection manner.
Just as described above, threaded fastener 3 can limit the position of brake hard tube 1.With reference to Fig. 2 and
Shown in Fig. 3, can make joint 2 female thread turn into nominal diameter be more than endoporus 6 internal diameter, with
Positioning step portion 9 is formed on joint 2.Correspondingly, brake hard tube 1 forms convex edge 10.Work as profit
When being connected with threaded fastener 3, the locating flange of the end driving brake hard tube 1 of the threaded fastener 3
Portion 10 is close to the positioning step portion 9 of joint 2, until the quilt of convex edge 10 of the brake hard tube 1
Clamping position is between the end of threaded fastener 3 and positioning step portion 9, to complete to be linked and packed.It is logical
This positioning method is crossed, easily can apply torsion on threaded fastener 3, without considering fastening force
Whether influence and brake hard tube 1 to sealing, which have been extended to, is crossed annular groove 7, thus can be with
Improve efficiency of assembling.In addition, by positioning, the play of brake hard tube 1 can be prevented when in use.
As a kind of variant embodiment, convex edge 10 can also form and be clamped in screw threads for fastening
Between the nut of part 3 and the end face of joint 2, the positioning of brake hard tube 1 can be equally realized.If simultaneously
Screw thread company is implemented by the external screw thread for forming the internal thread on threaded fastener 3 and being formed on joint 2
Connect, it might even be possible to save and positioning step portion 9 is formed on joint 2, above-mentioned purpose can also be reached.
Thus, can be by being connected respectively at the both ends of joint 2 using the Hermetical connecting structure of the present invention
Brake hard tube 1, brake circuit continuous, that there is certain length is formed, is conveyed with higher reliability
Brake fluid.
On this basis, the present invention also provides a kind of brake fluid system, and the brake fluid system, which has, to be used
In the brake circuit of conveying liquid, the brake circuit is provided with Hermetical connecting structure provided by the invention.In addition,
The present invention also provides the vehicle with the brake fluid system.It is understood that hydraulic pressure described herein
Brakes, can be Manual hydraulic brakes or air pressure assisted brake fluid system etc. its
His form make use of hydraulicdriven brakes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all at this
Within the spirit and principle of invention, any modification, equivalent substitution and improvements made etc., it should be included in
Within protection scope of the present invention.
Claims (10)
- A kind of 1. Hermetical connecting structure of brake hard tube, it is characterised in that the Hermetical connecting structure bag Include for connecting the joint (2) of the brake hard tube (1), the joint (2) formed with endoporus (6), Formed with annular groove (7), brake hard tube (1) the inserting connection on the perisporium of the endoporus (6) In the endoporus (6) and extend beyond the annular groove (7), and the annular groove (7) Inside it is provided with for making the brake hard tube (1) and the joint (2) be formed as the elasticity of sealed connection Seal (8).
- 2. the Hermetical connecting structure of brake hard tube according to claim 1, it is characterised in that institute State the external diameter that elastic sealing element (8) is less than the brake hard tube (1) with annular shape and internal diameter.
- 3. the Hermetical connecting structure of brake hard tube according to claim 2, it is characterised in that institute State elastic sealing element (8) for open side towards along the endoporus (6) axially away from the brake hard tube (1) the C-shaped leather cup of side or E shape leather cups.
- 4. the Hermetical connecting structure of brake hard tube according to claim 1, it is characterised in that institute Stating Hermetical connecting structure also includes being used to the brake hard tube (1) being fastenedly connected to the joint (2) On fastener.
- 5. the Hermetical connecting structure of brake hard tube according to claim 4, it is characterised in that institute It is the threaded fastener (3) being screw-coupled on the joint (2) to state fastener.
- 6. the Hermetical connecting structure of brake hard tube according to claim 5, it is characterised in that institute Stating threaded fastener (3) has external screw thread, and the joint (2), which has, is used for the screw threads for fastening that is spirally connected The internal thread of part (3).
- 7. the Hermetical connecting structure of brake hard tube according to claim 6, it is characterised in that institute The nominal bore diameter for stating internal thread is more than the internal diameter of the endoporus (6), determines so that the joint (2) has Position stage portion (9), the brake hard tube (1) have convex edge (10), in connected state, The clamped end for being positioned at the threaded fastener (3) of the convex edge (10) with it is described fixed Between position stage portion (9).
- 8. the Hermetical connecting structure of the brake hard tube according to any one in claim 1-7, its It is characterised by, the both ends of the joint (2) are sealedly connected with the brake hard tube (1) respectively.
- 9. a kind of brake fluid system, the brake fluid system has the braking for being used for transmitting brake fluid Oil circuit, it is characterised in that the brake circuit is provided with according to any one in claim 1-8 Brake hard tube Hermetical connecting structure.
- 10. a kind of vehicle, it is characterised in that the vehicle is provided with liquid according to claim 9 Press brakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610361539.9A CN107433941A (en) | 2016-05-27 | 2016-05-27 | Hermetical connecting structure, brake fluid system and the vehicle of brake hard tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610361539.9A CN107433941A (en) | 2016-05-27 | 2016-05-27 | Hermetical connecting structure, brake fluid system and the vehicle of brake hard tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107433941A true CN107433941A (en) | 2017-12-05 |
Family
ID=60453440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610361539.9A Pending CN107433941A (en) | 2016-05-27 | 2016-05-27 | Hermetical connecting structure, brake fluid system and the vehicle of brake hard tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107433941A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4842310A (en) * | 1987-01-21 | 1989-06-27 | Mannesmann Aktiengesellschaft | Tube connection for thin-walled small-diameter metal pipes |
| CN2247618Y (en) * | 1996-04-16 | 1997-02-19 | 栾金魁 | Brake oil pipe connecting device |
| CN2545045Y (en) * | 2002-06-01 | 2003-04-16 | 玉环县现代汽车配件厂 | Quick pipe joint for brake system of car |
| CN102758984A (en) * | 2011-04-25 | 2012-10-31 | 湖北欧博汽车部件有限公司 | Rapid insertion and pulling pipe joint |
| CN205244637U (en) * | 2015-12-08 | 2016-05-18 | 浙江亚太机电股份有限公司 | Novel screw thread formula plastics separation and reunion hard tube structure |
-
2016
- 2016-05-27 CN CN201610361539.9A patent/CN107433941A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4842310A (en) * | 1987-01-21 | 1989-06-27 | Mannesmann Aktiengesellschaft | Tube connection for thin-walled small-diameter metal pipes |
| CN2247618Y (en) * | 1996-04-16 | 1997-02-19 | 栾金魁 | Brake oil pipe connecting device |
| CN2545045Y (en) * | 2002-06-01 | 2003-04-16 | 玉环县现代汽车配件厂 | Quick pipe joint for brake system of car |
| CN102758984A (en) * | 2011-04-25 | 2012-10-31 | 湖北欧博汽车部件有限公司 | Rapid insertion and pulling pipe joint |
| CN205244637U (en) * | 2015-12-08 | 2016-05-18 | 浙江亚太机电股份有限公司 | Novel screw thread formula plastics separation and reunion hard tube structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1065425B1 (en) | Tube joint | |
| US8192421B2 (en) | Male luer lock connector | |
| US20080048440A1 (en) | Direct port connection for tubes | |
| KR101317611B1 (en) | Tube connector | |
| SG178648A1 (en) | Releasable nut-free c-clip secured pipe fitting | |
| KR101994529B1 (en) | High-pressure Nozzle Fitting | |
| US10371262B2 (en) | Transition gasket | |
| US6988748B2 (en) | Fluid coupling assembly | |
| WO2008077013A3 (en) | Connection of tubes for air conditioning and seal adapted thereto | |
| CN107433941A (en) | Hermetical connecting structure, brake fluid system and the vehicle of brake hard tube | |
| JP3176509U (en) | Check valve and packing mounting structure at the joint between water meter and shimoku | |
| CN205991263U (en) | Pipe joint arrangement | |
| CN107830290A (en) | A kind of structure for clamping pipe | |
| KR20160119559A (en) | A Connector for Hydraulic Hose | |
| EP1247039B1 (en) | Improved tube fitting sealing member | |
| CN110500460B (en) | Tensile hose sealing connector | |
| US11585470B2 (en) | Formed pipe end-section of a pipeline and pipe screw-connection | |
| US6802540B2 (en) | Method and apparatus for coupling a conduit to a fitting | |
| US6364371B1 (en) | Conical flange interface for railway applications | |
| JP7397273B2 (en) | hose fittings | |
| CN201925640U (en) | Pipe joint | |
| US20070222211A1 (en) | Brake hose fitting and method of manufacture | |
| US1952531A (en) | Hose connection | |
| CN209978441U (en) | Connection structure between heat exchanger and compressor | |
| JP2702069B2 (en) | Jointing device for plastic pipes such as copper pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171205 |