CN205716106U - Air-brake coupling hose and hydraulic brake line - Google Patents
Air-brake coupling hose and hydraulic brake line Download PDFInfo
- Publication number
- CN205716106U CN205716106U CN201620656243.5U CN201620656243U CN205716106U CN 205716106 U CN205716106 U CN 205716106U CN 201620656243 U CN201620656243 U CN 201620656243U CN 205716106 U CN205716106 U CN 205716106U
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- Prior art keywords
- hose
- coupling
- interface chamber
- hose coupling
- cone wall
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Abstract
This utility model belongs to vehicular field, particularly to a kind of air-brake coupling hose and hydraulic brake line, this air-brake coupling hose includes the hose coupling of end, hose coupling internal oil channel it is formed with in hose coupling, the end that connects of hose coupling internal oil channel is formed with the interface chamber in enlarging shape, this interface chamber is the frustum of a cone chamber of indent, the female cone wall of interface chamber offers annular seal groove, is embedded with sealing ring in annular seal groove.When oil connection docks with hose coupling, the connection end of oil connection inserts in interface chamber, and oil connection internal oil channel connects with hose coupling internal oil channel, and outer cone wall crush seal circle is to abut the female cone wall of interface chamber hermetically.So, in hydraulic brake line of the present utility model, after oil connection docks with hose coupling, while keeping internal oil channel unimpeded, it can be ensured that fluid sealing property is more excellent, the better reliability of hydraulic brake line.
Description
Technical field
This utility model belongs to vehicular field, in particular it relates to vehicle brake conduit.
Background technology
In vehicle brake conduit, for ease of installing, the versions using flexible pipe to be connected with hard tube more.Specifically, soft
Manage and docked with oil connection formation by hose coupling with between hard tube.The form of existing hose coupling many employings inner conical surface,
When assembling, the male cone (strobilus masculinus) of the end of oil connection abuts with the inner conical surface of hose coupling, and makes between the conical surface by certain
Axial force and be deformed, thus play sealing function, form conical surface sealing structure.
But, this sealing structure fully relies on the crimp between two conical surfaces, thus produces certain conical surface patch
Right realizing conical surface seal, once the crudy of any one in unbalance stress or two conical surfaces or two is the highest,
May result in poorly sealed or conical surface seal inefficacy, thus produce Leakage.Therefore, this kind of conical surface sealing structure is to the conical surface
Precision has strict demand, even and if machining accuracy is high, also easily because hard tube difficulty is assembled, axial force is not enough and causes taper close
Front cover can not reach 360 ° of sealings, and then causes the generation of Leakage.
Utility model content
For above-mentioned deficiency of the prior art or defect, the utility model proposes a kind of air-brake coupling hose and there is this braking
The hydraulic brake line of flexible pipe so that the switching performance between air-brake coupling hose and brake pipe more preferably, sealing more preferably.
For achieving the above object, this utility model provides a kind of air-brake coupling hose, including the hose coupling of end, described soft
Being formed with hose coupling internal oil channel in pipe joint, the end that connects of described hose coupling internal oil channel is formed with the hub cavity in enlarging shape
Room, this interface chamber is the frustum of a cone chamber of indent, and the female cone wall of described interface chamber offers annular seal groove, described
Annular seal groove is embedded with sealing ring.
Preferably, described sealing ring is elastic seal ring, and described sealing ring protrude under not subjected to pressure state described in connect
The wall of the female cone wall of oral chamber.
Preferably, described annular seal groove is rectangular channel.
Preferably, described sealing ring is regular rubber ring.
Preferably, described hose coupling internal oil channel is coaxial with described interface chamber, described annular seal groove and described flexible pipe
Smallest radial spacing between the central axis of joint internal oil channel is not more than 1.2 times of the radius of described hose coupling internal oil channel.
Preferably, on the female cone wall of described interface chamber, the width of described annular seal groove is not less than described inner circle
The half of the bus length of cone wall.
Additionally, this utility model additionally provides a kind of hydraulic brake line, described hydraulic brake line includes brake pipe
With the air-brake coupling hose above-mentioned according to this utility model, described brake pipe includes the oil connection of end, in described oil connection
Being formed with oil connection internal oil channel, the periphery wall connecting end of described oil connection is formed with outer cone wall；
Wherein, when described oil connection docks with described hose coupling, connect described in the connection end insertion of described oil connection
In oral chamber, described oil connection internal oil channel connects with described hose coupling internal oil channel, and the extruding of described outer cone wall is described close
Seal is to abut the female cone wall of described interface chamber hermetically.
Preferably, the end that connects of described oil connection is formed as the pier nose of radial protrusion, the axial side of described pier nose
Sidewall is formed as the described outer cone wall that the female cone wall with described interface chamber abuts, the side of the axial opposite side of described pier nose
Wall is formed with pressurized step wall.
Preferably, the connection end of described hose coupling is formed with the female docking swivel nut of tool, and described oil pipe connects
Outer being arranged with of head has externally threaded nut, and described nut is bolted in described docking swivel nut；
Wherein, described nut turn can push away the pressurized step wall of described oil connection to squeeze in described docking swivel nut,
Described oil connection is docked with described hose coupling.
Preferably, described oil connection and described hose coupling are metal joint, and the female cone of described interface chamber
The coning angle of wall is more than the coning angle of the outer cone wall of described oil connection.
By technique scheme, in air-brake coupling hose of the present utility model, owing to opening on the female cone wall of interface chamber
It is provided with annular seal groove, annular seal groove is embedded with sealing ring, thus when oil connection docks with hose coupling, oil pipe connects
The connection end of head inserts in interface chamber so that oil connection internal oil channel connects with hose coupling internal oil channel, and outer cone wall
Can crush seal circle to abut the female cone wall of interface chamber hermetically, thus keep internal oil channel unimpeded while, it is ensured that
More preferable to the sealing property of brake fluid.
Other features and advantages of the utility model will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing, and this practicality is new
The schematic description and description of type is used for explaining this utility model, is not intended that improper restriction of the present utility model.?
In accompanying drawing:
Fig. 1 is the shaft section sectional view of the air-brake coupling hose according to preferred implementation of the present utility model；
Fig. 2 is the end view connecting end of the air-brake coupling hose shown in Fig. 1；
Fig. 3 is the structural representation of the hydraulic brake line according to preferred implementation of the present utility model, wherein to cut open
The form of view illustrates air-brake coupling hose and brake pipe inside docking structure under mated condition.
Description of reference numerals:
100 hose coupling 200 oil connections
300 flexible pipe 400 hard tubes
1 hose coupling internal oil channel 2 interface chamber
3 sealing ring 4 oil connection internal oil channels
5 pier nose 6 nuts
7 docking swivel nuts
21 female cone wall OO ' central axis
51 outer cone wall 52 pressurized step walls
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It should be appreciated that herein
Described detailed description of the invention is merely to illustrate and explains this utility model, is not limited to this utility model.
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can
To be mutually combined.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As depicted in figs. 1 and 2, this utility model provides a kind of air-brake coupling hose, including the hose coupling 100 of end, and should
Being formed with hose coupling internal oil channel 1 in hose coupling 100, the end that connects of hose coupling internal oil channel 1 is formed with connecing in enlarging shape
Oral chamber 2, this interface chamber 2 is the frustum of a cone chamber of indent, and the female cone wall 21 of interface chamber 2 offers ring packing
Groove, is embedded with sealing ring 3 in annular seal groove.
As total inventive concept, this utility model is by opening on the conical seal (contact) face of the interface chamber 2 of air-brake coupling hose
Groove also arranges sealing ring 3 so that two joints of flexible pipe and hard tube are when docking, and sealing ring 3 is by the extruding of hard pipe joint and shape
Become sealing ring to seal, on the basis of conical surface seal, further enhance hydraulic oil seal effect.Compared to existing air-brake coupling hose
For, can prevent the Leakage caused because conical seal (contact) face flow of metal when extrusion is insufficient from occurring.Therefore,
The attachment structure of air-brake coupling hose of the present utility model has simple in construction, seals the advantages such as firm.Meanwhile, this utility model also may be used
To reduce the machining accuracy of the conical surface, reduce machining cost to a great extent.
Wherein, sealing ring 3 is preferably elastic seal ring, as it is shown in figure 1, elastic seal ring protrudes under not subjected to pressure state
The wall of the female cone wall 21 of interface chamber 2, thus can be tightly compacted under the pressured state shown in Fig. 3, reach reliably
Fluid (i.e. brake fluid) sealing effectiveness.It should be noted that the sealing ring 3 in this utility model is not limited to have certain elasticity
In material, such as present embodiment use there is the most elastic and long-lived rubber ring, this sealing ring 3 can also be
Deformation can be produced under pressured state, volume diminishes, sealing ring interior tissue pressurized and more closely, more sealing effectiveness is relevant
The sealing ring of material.
In the present embodiment of diagram, annular seal groove preferably cross section is the rectangular channel of rectangle, sealing ring 3 also phase
Answer preferably rectangular rubber ring.Rectangular channel is prone to processing, and compared to half slot etc., sealing ring 3 can more stably be flush-mounted in
In rectangular channel, it is difficult to be extruded or skid off.When oil connection 200 extrudes, the stress everywhere of regular rubber ring evenly, including
Area coverage in conical walls 21 is the most larger.
Specifically, seeing Fig. 1, hose coupling internal oil channel 1 is coaxially disposed with interface chamber 2, and interface chamber 2 is from hose coupling
The end of internal oil channel 1 is that enlarging is opened, and now for obtaining more preferable oil resistance spill-over effects, annular seal groove should be near hose coupling
Internal oil channel 1 is arranged, the smallest radial spacing between the central axis of usual annular seal groove and hose coupling internal oil channel 1 should be little
In the radius of hose coupling internal oil channel 1 1.2 times.And in order to obtain more preferable oil resistance effect, annular seal groove is at female cone
Coverage on wall 21 should be relatively big, such as in the present embodiment shown in Fig. 1, on the female cone wall 21 of interface chamber 2,
The width of annular seal groove is not less than the half of the bus length of female cone wall 21.
Above describe the improvement of the hose coupling 100 of the Curve guide impeller to air-brake coupling hose, especially air-brake coupling hose end.
On this basis, this utility model further correspondingly provides a kind of hydraulic brake line, and this hydraulic brake line includes brake pipe
With above-mentioned air-brake coupling hose, shown in Fig. 1 and Fig. 3, brake pipe includes the oil connection 200 of end, in oil connection 200
Being formed with oil connection internal oil channel 4, the periphery wall connecting end of oil connection 200 is formed with outer cone wall 51；
Wherein, when oil connection 200 docks with hose coupling 100, the connection end of oil connection 200 inserts interface chamber 2
In, oil connection internal oil channel 4 connects with hose coupling internal oil channel 1, and outer cone wall 51 crush seal circle 3 connects to abut hermetically
The female cone wall 21 of oral chamber 2.
Fig. 3 illustrates the hydraulic brake line under mated condition, and wherein sealing ring 3 is by the pressure to the left of oil connection 200
And little, sealing ring 3 is not fully densified, and still has gap length between outer cone wall 51 and female cone wall 21.
As shown in Figure 3, the end that connects of oil connection 200 is formed as the pier nose 5 of radial protrusion, and the most hollow shaft-like oil pipe connects
The end of 200 is upsetting, and forms radially boss.Wherein, the sidewall shape of the axial side (on the downside of the paper in Fig. 3) of pier nose 5
Becoming the outer cone wall 51 that the female cone wall 21 with interface chamber 2 abuts, the axial opposite side of pier nose 5 is (on the paper in Fig. 3
Side) sidewall be formed with pressurized step wall 52.Specifically, the coning angle of the female cone wall 21 of interface chamber 2 is typically larger than oil
The coning angle of the outer cone wall 51 of pipe joint 200, the most in the present embodiment, the outer cone wall of the pier nose 5 of oil connection 200
The coning angle of 51 is 115 °, and the coning angle of the female cone wall 21 of interface chamber 2 is 120 °, and oil connection 200 and flexible pipe
Joint 100 is typically metal joint.When the coning angle of female cone wall 21 is more than the coning angle of outer cone wall 51, there is cylindrical
The end of cone wall 51 abuts outer cone wall 51, then when by larger axis to power, the cone of contact in being easier to embed interface chamber 2
Face produces crimp, forms the conical surface seal being close to.
In the present embodiment, owing to the coning angle of female cone wall 21 is more than the coning angle of outer cone wall 51, relative to ring
The outer cone wall 51 of female cone wall 21 part of the radially inner side of shape seal groove and oil connection 200 first against, contact, pressurized,
Forming conical surface seal, the i.e. first order to seal, outer cone wall 51 be compacted sealing ring 3 the most simultaneously simultaneously, forms sealing ring sealing, and i.e. the
Secondary seal, reaches dual fluid sealing effectiveness.
It addition, be pilot oil pipe joint 200 to obtain the axial compressive force to hose coupling 100, in present embodiment especially
Have employed the type of drive of screw propulsion.Seeing Fig. 3, it is female right that the connection end of hose coupling 100 is formed with tool
Connecing swivel nut 7, be arranged with and have externally threaded nut 6 outside oil connection 200, nut 6 passes through external thread bolt connection in docking swivel nut 7
In.But the aperture of the centre bore of nut 6 is slightly larger than the external diameter of oil connection 200, i.e. the center bore inner wall face of nut 6 connects with oil pipe
Radially annular space it is formed with so that oil connection 200 can unhinderedly move in nut 6 vertically between the outer peripheral face of 200
Dynamic.
So, by the instruments such as spanner can turn nut 6, nut 6 progressively screw in docking swivel nut 7 inner chamber and to inward turning
Enter, until the pressurized step wall 52 of the ends contact oil connection 200 of nut 6.Now, further precession nut 6, then nut 6
Move inward to squeeze and push away the pressurized step wall 52 of oil connection 200, drive oil connection 200 inwardly to move towards interface chamber 2
Dynamic, until outer cone wall 51 crush seal circle 3, abut the female cone wall 21 of interface chamber 2 the most hermetically, thus complete hydraulic pressure
Oil connection 200 in braking pipeline docks with hose coupling 100.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, such as annular seal groove do not limit
In rectangular channel, it is also possible to dovetail groove, even half slot etc., change like this should be included in protection domain of the present utility model
Within.
Claims (10)
1. an air-brake coupling hose, including the hose coupling (100) of end, described hose coupling is formed with hose coupling in (100)
Internal oil channel (1), the end that connects of described hose coupling internal oil channel (1) is formed with the interface chamber (2) in enlarging shape, this interface chamber
(2) it is the frustum of a cone chamber of indent, it is characterised in that offer annular on the female cone wall (21) of described interface chamber (2) close
Sealing groove, is embedded with sealing ring (3) in described annular seal groove.
Air-brake coupling hose the most according to claim 1, it is characterised in that described sealing ring (3) is elastic seal ring, described close
Seal (3) protrudes from the wall of the female cone wall (21) of described interface chamber (2) under not subjected to pressure state.
Air-brake coupling hose the most according to claim 1, it is characterised in that described annular seal groove is rectangular channel.
Air-brake coupling hose the most according to claim 3, it is characterised in that described sealing ring (3) is regular rubber ring.
Air-brake coupling hose the most according to claim 1, it is characterised in that described hose coupling internal oil channel (1) and described interface
Chamber (2) is coaxial, the smallest radial spacing between the central axis of described annular seal groove and described hose coupling internal oil channel (1)
No more than 1.2 times of the radius of described hose coupling internal oil channel (1).
Air-brake coupling hose the most according to claim 1, it is characterised in that at the female cone wall (21) of described interface chamber (2)
On, the width of described annular seal groove is not less than the half of the bus length of described female cone wall (21).
7. a hydraulic brake line, it is characterised in that described hydraulic brake line includes brake pipe and according to claim 1
～air-brake coupling hose described in any one in 6, described brake pipe includes the oil connection (200) of end, described oil connection
(200) being formed with oil connection internal oil channel (4) in, the periphery wall connecting end of described oil connection (200) is formed with outer cone
Wall (51)；
Wherein, when described oil connection (200) docks with described hose coupling (100), the connection end of described oil connection (200)
Inserting in described interface chamber (2), described oil connection internal oil channel (4) connects with described hose coupling internal oil channel (1), and described
Outer cone wall (51) extrudes described sealing ring (3) to abut the female cone wall (21) of described interface chamber (2) hermetically.
Hydraulic brake line the most according to claim 7, it is characterised in that the connection end shape of described oil connection (200)
Becoming the pier nose (5) of radial protrusion, it is interior that the sidewall of the axial side of described pier nose (5) is formed as with described interface chamber (2)
The described outer cone wall (51) that conical walls (21) abuts, the sidewall of the axial opposite side of described pier nose (5) is formed with pressurized step
Wall (52).
Hydraulic brake line the most according to claim 8, it is characterised in that the connection end one of described hose coupling (100)
Body is formed with the female docking swivel nut (7) of tool, is arranged with and has externally threaded nut (6) outside described oil connection (200),
Described nut (6) is bolted in described docking swivel nut (7)；
Wherein, described nut (6) turn can push away the pressurized of described oil connection (200) to squeeze in described docking swivel nut (7)
Step wall (52) so that described oil connection (200) docks with described hose coupling (100).
Hydraulic brake line the most according to claim 7, it is characterised in that described oil connection (200) and described flexible pipe
Joint (100) is metal joint, and the coning angle of the female cone wall (21) of described interface chamber (2) is more than described oil connection
(200) coning angle of outer cone wall (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620656243.5U CN205716106U (en) | 2016-06-28 | 2016-06-28 | Air-brake coupling hose and hydraulic brake line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620656243.5U CN205716106U (en) | 2016-06-28 | 2016-06-28 | Air-brake coupling hose and hydraulic brake line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205716106U true CN205716106U (en) | 2016-11-23 |
Family
ID=57317911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620656243.5U Active CN205716106U (en) | 2016-06-28 | 2016-06-28 | Air-brake coupling hose and hydraulic brake line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205716106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084102A (en) * | 2017-06-14 | 2018-12-25 | 班博鲁工贸有限公司 | A kind of assembling pipe joint |
-
2016
- 2016-06-28 CN CN201620656243.5U patent/CN205716106U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084102A (en) * | 2017-06-14 | 2018-12-25 | 班博鲁工贸有限公司 | A kind of assembling pipe joint |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |