CN100406800C - Self-sealing dust-proof soft pipe connector - Google Patents
Self-sealing dust-proof soft pipe connector Download PDFInfo
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- CN100406800C CN100406800C CN2006100216938A CN200610021693A CN100406800C CN 100406800 C CN100406800 C CN 100406800C CN 2006100216938 A CN2006100216938 A CN 2006100216938A CN 200610021693 A CN200610021693 A CN 200610021693A CN 100406800 C CN100406800 C CN 100406800C
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Abstract
A flexible tube connector of self seal and dust proof type consists of corrugated connector hoop, flexible tube and connector. It is featured as setting seal slot at connector mouth for erecting seal washer, setting automatic dust proof door on connector body, closing the dust proof door automatically when said connector is at no connection state in order to prevent foreign matter from entrance.
Description
Technical field
The present invention relates to a kind of piping coupling arrangement, especially relate to a kind of hose connector.
Background technique
" hose connector " is the indispensable accessory that rolling stock's air damper is used to carry pressurized air and transmits the brake operating signal, and its performance quality directly influences the service behaviour of train air damper, is related to the safety of train operation.
The hose connector that uses exists three defectives now.One of defective: the air-tightness after the connection is to lean on the decrement of rubber washer to guarantee, rubber washer makes the operation when connecting become difficult for obtaining the necessary compressive force that enough sealabilities design, and labor intensity is very big; Two of defective: the working state of continuous compression, add the influence of abominable Environmental Conditions, rubber washer very easily produces permanent deformation, makes the decrement deficiency of sealing surface, causes and sews, and influences traffic safety; Three of defective: be in the flexible pipe of notconnect state, enter, need be sealed, have bigger operational risk and inconvenience with manually splitting mouth for preventing foreign matter.When opening being forgotten when sealing, foreign matter enters flexible pipe and easy-clear not, foreign matter with compressed-air actuated flow into other brake members after, very easily influence its proper functioning, traffic safety is constituted a serious threat.
Accompanying drawing 1 is depicted as existing hose connector coupled condition schematic representation, i.e. two existing connections after the body 1 ' butt joint, by existing seal washer 2 ' the connector mouth is sealed.Now in the hose connector connection procedure that uses be connected after, seal washer will produce the compressive strain of about 1mm.The compressive strain drag of seal washer, the big resistance that the hose connector of present use is produced in connection procedure causes the attended operation difficulty; Connect the back under the invasion and attack of temperature variation and harmful matter, make the long compressive strain of seal washer become permanent deformation easily, lose seal action.
Summary of the invention
In order to overcome the deficiencies in the prior art, the objective of the invention is to: the self-sealing dust-proof soft pipe connector of a kind of rolling stock with selfsealings characteristic and automatic dustproof function is provided.
Technological scheme of the present invention is: a kind of self-sealing dust-proof soft pipe connector, comprise corrugated connection, cuff, the flexible pipe that connects in turn and be connected body, the connector mouth place of this connection body is provided with the seal groove that seal washer is installed, comprise also being arranged on the automatic dustproof door system that connects on the body that this automatic dustproof door system comprises and is installed on the door-hinge that connects on the body, is set in retaining spring and dustproof door on the door-hinge; Door-hinge is used to support dustproof door, and wherein, dustproof door comprises sealing up a door of cranking arm and be attached thereto, cranking arm upward, correspondence is provided with two backstops, cranking arm of dustproof door is sleeved on the door-hinge, and cranks arm and can rotate around door-hinge, and sealing up a door of dustproof door matches with the connector mouth that is connected body; Respectively there is a reverse arm at the retaining spring two ends, and two reverse arms are corresponding with the backstop on the cranking arm of dustproof door respectively.The dust reduction capability of this automatic dustproof door system is not stifled by people's frock, but finish by the dustproof door that under notconnect state, can close automatically.
The size of self-sealing dust-proof soft pipe connector body of the present invention and hose transition position and Placement can be with former to be connected body identical, so that be connected with the rolling stock of hose connector before using.
" bowl " shape structure of described dustproof door seal door above departs from the connector mouth by touching easily, makes attended operation easy.After connection was unsnaped, when promptly connecting body and being in notconnect state, " the bowl end " of sealing up a door was sitting on the connector mouth, and dustproof door can stably be parked on the connector mouth.
Described door-hinge top is with plain washer, and this plain washer is being cranked arm and is being connected between the body.The rotary part that plain washer is cranked arm dustproof door with is connected body and isolates, dustproof rotational resistance is reduced, dustproof easier quilt touches and departs from and close the connector mouth.
Described door-hinge bottom is with wave washer, and this wave washer crank arm and the door-hinge lower end between.Because of the external force effect make dustproof door the connector mouth axially on when departing from, cranking arm of wave washer and dustproof door produces the elastic deformation force, and external force dustproof of the back that disappears is got back on the connector mouth automatically.
Described door-hinge lower end surface is provided with circlip with being connected between the body.Circlip can not be deviate from the door-hinge of the automatic dustproof door system after the assembling.
Described seal washer of the present invention adopts the selfsealings packing ring on lip ring limit, and the shape of described seal groove and selfsealings packing ring are complementary.This selfsealings packing ring makes that the air-tightness of hose connector is not the compressive strain power of back cushion circle self, but by connecting pressurized air in the body to the pressure of packing ring, sealing surface after the connection is close to guarantee.
The invention has the beneficial effects as follows: the dustproof door that can close automatically, make connector under notconnect state, can in time close the connector mouth automatically, thereby avoided artificial faulty operation to cause foreign matter to enter the train braking piping, hinder the situation of train braking system proper functioning to take place, the Security of train operation is improved; The dentation groove of inboard, selfsealings packing ring lip limit, the compressed lip of selfsealings packing ring limit is easily deformable and have enough intensity when making attended operation, and the resistance when making attended operation reduces greatly, and attended operation becomes easily, and the labor intensity during operation reduces; Because the pressure of air is even to the active force of selfsealings washer inner surface, the possibility that rubber produces local deformation reduces, and prolonged the working life of seal washer.
The present invention is further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is existing hose connector coupled condition schematic representation;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is installed on the structural representation that connects body for dustproof door system of the present invention;
Fig. 4 is a coupled condition schematic representation of the present invention;
Fig. 5 is the structural representation of the dustproof door of the present invention;
Fig. 6 is the plan view of Fig. 5;
Fig. 7 is that the A of Fig. 5 is to structural representation;
Fig. 8 is the structural representation of retaining spring of the present invention;
Fig. 9 is the plan view of Fig. 8;
Figure 10 is the structural representation of selfsealings packing ring of the present invention;
Figure 11 is a dustproof door system working principle schematic representation of the present invention;
Figure 12 is the dustproof door system working principle schematic representation of Figure 11 under notconnect state;
Figure 13 is the dustproof door system working principle schematic representation of Figure 11 in coupled condition;
Wherein, reference character is: 1 ' is the existing body that connects, and 2 ' is existing seal washer, 1 is corrugated connection, and 2 is cuff, and 3 is flexible pipe, 4 for connecting body, and 5 are the selfsealings packing ring, and 6 ' is the automatic dustproof door system, 6 are dustproof door, and 6-1 is for cranking arm, and 6-2 is for sealing up a door, 6-3 is a backstop, and 7 is plain washer, and 8 is retaining spring, 8-1 is a reverse arm, 9 is door-hinge, and 9-1 is the door-hinge lower end, and 10 is wave washer, 11 is circlip, 12 is seal groove, and 13 is that connector one, 14 is a connector two, 15 is sealing surface, and 16 is the connector mouth.
Embodiment
Preferred embodiment is as follows:
As shown in Figure 2, a kind of self-sealing dust-proof soft pipe connector, comprise corrugated connection 1, cuff 2, the flexible pipe 3 that connects in turn and be connected body 4, connector mouth 16 places of this connection body 4 are provided with the seal groove that seal washer 2 ' is installed, and also comprise being arranged on the automatic dustproof door system 6 ' that connects on the body 4.Wherein, corrugated connection 1, cuff 2, flexible pipe 3 adopt the part of TB/T60-2001 " hose coupling assembly " regulation, and its structure is identical with the hose connector that uses now with fit.
Described seal washer adopts the selfsealings packing ring 5 on lip ring limit, and the shape of described seal groove 12 and selfsealings packing ring 5 are complementary.Figure 4 shows that the present invention is under coupled condition, the working procedure of its selfsealings packing ring is: after connector 1 and connector 2 14 connect, after charging into pressurized air in the pipe, direction shown in the P refers to the direction that pressure acts on seal ring among the figure, the pressure of air acts on the inboard on selfsealings packing ring 5 lip limits, make the lip limit of two connector selfsealings packing rings tightly paste and be in the same place, 15 is the sealing surface of two selfsealings packing rings among the figure, and the pressure of air is big more, the suffered pressure in the lip limit of selfsealings packing ring is big more, the lip limit of the selfsealings packing ring of two connectors is pasted and is tight more, and airtight effect is good more.
As shown in Figure 3, described automatic dustproof door system 6 ' comprises and is installed on the door-hinge 9 that connects on the body 4, is set in retaining spring 8 and dustproof door 6 on the door-hinge 9; Wherein, dustproof door 6 comprises the 6-2 that seals up a door that cranks arm 6-1 and be attached thereto, and the 6-1 that cranks arm goes up correspondence and is provided with two backstop 6-3, and the 6-1 that cranks arm of dustproof door 6 is sleeved on the door-hinge 9, and the 6-1 that cranks arm can be around door-hinge 9 rotations, and the 6-2 that seals up a door of dustproof door 6 matches with the connector mouth 16 that is connected body 4; Respectively there is a reverse arm 8-1 at retaining spring 8 two ends, and two reverse arm 8-1 are corresponding with the backstop 6-3 on the 6-1 that cranks arm of dustproof door 6 respectively.Described door-hinge 9 tops are with plain washer 7, and this plain washer 7 crank arm 6-1 be connected between the body 4.Described door-hinge 9 bottoms are with wave washer 10, and this wave washer 10 is being cranked arm between 6-1 and the door-hinge 9 lower end 9-1.Described door-hinge 9 lower end surfaces are provided with circlip 11 with being connected between the body 4.
To shown in Figure 7, dustproof door 6 comprises the 6-2 that seals up a door that cranks arm 6-1 and be attached thereto as Fig. 5, and the 6-1 that cranks arm goes up correspondence and is provided with two backstop 6-3, and the described 6-2 of sealing up a door is bowl-shape.
To shown in Figure 9, respectively there is a reverse arm 8-1 at retaining spring 8 two ends as Fig. 8, and two reverse arm 8-1 are corresponding with the backstop 6-3 on the 6-1 that cranks arm of dustproof door 6 respectively.
As shown in figure 10, the dentation groove of inboard, selfsealings packing ring 5 lip limit, the compressed lip of selfsealings packing ring limit is easily deformable and have enough intensity when making attended operation, and the resistance when making attended operation reduces greatly, attended operation becomes easily, and the labor intensity during operation reduces; The pressure that connects air in the body is even to the active force of selfsealings washer inner surface, and the possibility that rubber produces local deformation reduces, and prolong the working life of selfsealings packing ring.
As shown in figure 11, the working procedure of automatic dustproof door system is:
When self-sealing dust-proof soft pipe connector during at notconnect state (working principle of dustproof door and retaining spring as shown in figure 12), on the backstop 6-3 that two reverse arms of retaining spring 8 act on dustproof door 6 both sides simultaneously and the wall that is connected body 4 relevant positions, dustproof door 6 is parked on the connector mouth 16 that connects body 4 just, the connector mouth is closed, play dustproof effect, as make dustproof 6 to be that connector mouth 16 is departed from the center of circle because of certain external force with door-hinge 9, a reverse arm 8-1 of retaining spring 8 is driven by the backstop 6-3 of dustproof door 6 one sides and reverses, the wall that its another reverse arm 8-1 is connected body 4 blocks, retaining spring 8 produces warping force, after external force disappears, the warping force that retaining spring 8 produces acts on a side backstop 6-3 of dustproof door 6, dustproof door 6 is got back to closed the position that connects the device mouth.
When the self-sealing dust-proof soft pipe connector attended operation (working principle of dustproof door and retaining spring as shown in figure 13), connector 1 is along A
1Direction motion, connector 2 14 is along A
2Direction motion, connector 1 touches the dustproof door of connectors 2 14, connector 2 14 touches the dustproof door of connectors 1, making it with separately door-hinge is that the center is respectively along B
1With B
2Direction rotate, a reverse arm (wall that another reverse arm is connected body blocks motionless) that drives retaining spring separately reverses simultaneously, produce warping force with dustproof door direction of rotation, mouth up to two connectors aligns fully, buckle with hanging groove and align fully, the twist connector body is finished to connect and is hung, and dustproof door is connected body and blocks, and is parked in the outer of connector mouth; Behind the connector that the company of unsnaping hangs, losing the dustproof door that stops rotates from trend connector mouth under the effect of the warping force of retaining spring, the reverse arm that is reversed when retaining spring connects is connected body and blocks, and dustproof door just in time is parked on the connector mouth, closes the connector mouth.
Above-mentioned automatic dustproof door system: " bowl " shape structure of dustproof door 6 seal door above 6-2, depart from the connector mouth by touching easily, make attended operation easy.Unsnap after the connection of connector, " the bowl end " of dustproof door 6 automatically reverts on the connector mouth 16, and the 6-2 that seals up a door of dustproof door 6 can more stably be parked on the connector mouth.
Above-mentioned automatic dustproof door system: door-hinge 9 is used to support dustproof door 6, and circlip 11 can not be deviate from the door-hinge 9 of the automatic dustproof door after the assembling; Plain washer 7 the rotary part of dustproof door 6 with is connected body 4 and isolates, the rotational resistance of dustproof door 6 is reduced, 6 an easier quilt that prevent dust touch and depart from and close the connector mouth; Because of the external force effect make dustproof door 6 the connector mouth axially on when departing from, cranking arm of wave washer 10 and dustproof door 6 produces the elastic deformation force, and external force dustproof 6 of the back that disappear got back on the connector mouth 16 automatically.
Claims (6)
1. self-sealing dust-proof soft pipe connector, comprise corrugated connection (1), cuff (2), the flexible pipe (3) that connects in turn and be connected body (4), the connector mouth (16) of this connection body (4) locates to be provided with the seal groove that seal washer (2 ') is installed, it is characterized in that: comprise also being arranged on the automatic dustproof door system (6 ') that connects on the body (4) that this automatic dustproof door system (6 ') comprises and is installed on the door-hinge (9) that connects on the body (4), is set in retaining spring (8) and dustproof (6) on the door-hinge (9); Wherein, dustproof door (6) comprises seal up a door (6-2) that cranks arm (6-1) and be attached thereto, (6-1) the last correspondence of cranking arm is provided with two backstops (6-3), crank arm (6-1) of dustproof door (6) is sleeved on the door-hinge (9), and seal up a door (6-2) of dustproof door (6) matches with the connector mouth (16) that is connected body (4); Respectively there is a reverse arm (8-1) at retaining spring (8) two ends, and two reverse arms (8-1) are corresponding with the backstop (6-3) on crank arm (6-1) of dustproof door (6) respectively.
2. self-sealing dust-proof soft pipe connector according to claim 1 is characterized in that: described sealing up a door (6-2) is bowl structure.
3. self-sealing dust-proof soft pipe connector according to claim 1 is characterized in that: described door-hinge (9) top is with plain washer (7), and this plain washer (7) be positioned at crank arm (6-1) be connected between the body (4).
4. self-sealing dust-proof soft pipe connector according to claim 1 is characterized in that: described door-hinge (9) bottom is with wave washer (10), and this wave washer (10) be positioned at crank arm (6-1) and door-hinge (9) lower end (9-1) between.
5. self-sealing dust-proof soft pipe connector according to claim 1 is characterized in that: described door-hinge (9) lower end surface is provided with circlip (11) with being connected between the body (4).
6. according to claim 1,2,3,4 or 5 described self-sealing dust-proof soft pipe connectors, it is characterized in that: described seal washer adopts the selfsealings packing ring (5) on lip ring limit, and the shape of described seal groove (12) and selfsealings packing ring (5) are complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100216938A CN100406800C (en) | 2006-08-29 | 2006-08-29 | Self-sealing dust-proof soft pipe connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100216938A CN100406800C (en) | 2006-08-29 | 2006-08-29 | Self-sealing dust-proof soft pipe connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1912440A CN1912440A (en) | 2007-02-14 |
| CN100406800C true CN100406800C (en) | 2008-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100216938A Active CN100406800C (en) | 2006-08-29 | 2006-08-29 | Self-sealing dust-proof soft pipe connector |
Country Status (1)
| Country | Link |
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| CN (1) | CN100406800C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625059B (en) * | 2009-08-13 | 2013-07-03 | 北京中铁瑞尔制动配件有限公司 | Dust cover for hose connector |
| EP3405373B1 (en) * | 2016-01-21 | 2020-06-24 | New York Air Brake LLC | Interlocking gladhands |
| CN107618532B (en) * | 2017-09-26 | 2024-02-20 | 眉山中车制动科技股份有限公司 | Locking mechanism for automatic dustproof device of railway rolling stock |
| CN109830868B (en) * | 2019-02-20 | 2020-09-01 | 眉山中车制动科技股份有限公司 | Dust keeper and hose connection equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191224770A (en) * | 1912-10-29 | 1913-05-01 | Edward Joseph Bricker | Improvements in Automatic Hose-couplers. |
| GB109984A (en) * | 1916-07-27 | 1917-10-11 | Ernst Kessler | A Union or Coupling Device especially suitable for effecting the Connection of a Hose to the Train-pipe of a Fluid Pressure Brake System. |
| US2834481A (en) * | 1954-11-16 | 1958-05-13 | Westinghouse Brake & Signal | Automatic couplers for railway and like vehicles |
| DE4241960C1 (en) * | 1992-10-05 | 1994-01-13 | Deutsche Bundesbahn | Flexible air line coupling elements - comprise cooperating coupling socket and coupling head pref. incorporating electrical plug and socket connections. |
| CN2181440Y (en) * | 1993-12-24 | 1994-11-02 | 朱德功 | Braking hose pad |
| CN1104969A (en) * | 1994-01-04 | 1995-07-12 | 左庆华 | Flexible pipe jointing valve for railway vehicle brake |
| CN200940742Y (en) * | 2006-08-29 | 2007-08-29 | 中国南车集团眉山车辆厂 | Self seal dust-proof soft pipe connector |
-
2006
- 2006-08-29 CN CN2006100216938A patent/CN100406800C/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191224770A (en) * | 1912-10-29 | 1913-05-01 | Edward Joseph Bricker | Improvements in Automatic Hose-couplers. |
| GB109984A (en) * | 1916-07-27 | 1917-10-11 | Ernst Kessler | A Union or Coupling Device especially suitable for effecting the Connection of a Hose to the Train-pipe of a Fluid Pressure Brake System. |
| US2834481A (en) * | 1954-11-16 | 1958-05-13 | Westinghouse Brake & Signal | Automatic couplers for railway and like vehicles |
| DE4241960C1 (en) * | 1992-10-05 | 1994-01-13 | Deutsche Bundesbahn | Flexible air line coupling elements - comprise cooperating coupling socket and coupling head pref. incorporating electrical plug and socket connections. |
| CN2181440Y (en) * | 1993-12-24 | 1994-11-02 | 朱德功 | Braking hose pad |
| CN1104969A (en) * | 1994-01-04 | 1995-07-12 | 左庆华 | Flexible pipe jointing valve for railway vehicle brake |
| CN200940742Y (en) * | 2006-08-29 | 2007-08-29 | 中国南车集团眉山车辆厂 | Self seal dust-proof soft pipe connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1912440A (en) | 2007-02-14 |
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Owner name: CSR MEISHAN VEHICLE CO., LTD. Free format text: FORMER OWNER: MEISHAN CAR MFG. FACTORY OF CHINA NANCHE GROUP Effective date: 20080822 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20080822 Address after: Chongren Town, Dongpo District, Meishan, Sichuan Patentee after: Nanche Meishan Rolling Stock Co., Ltd. Address before: Chongren town Meishan city Sichuan Province Patentee before: Meishan Rolling Stock Plant, China Nanche Group |