CN111098880A - Integrated normally closed unhooking air pipe connector - Google Patents
Integrated normally closed unhooking air pipe connector Download PDFInfo
- Publication number
- CN111098880A CN111098880A CN201811267556.1A CN201811267556A CN111098880A CN 111098880 A CN111098880 A CN 111098880A CN 201811267556 A CN201811267556 A CN 201811267556A CN 111098880 A CN111098880 A CN 111098880A
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- China
- Prior art keywords
- valve rod
- valve body
- unhooking
- valve
- sealing
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- 238000007789 sealing Methods 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
- B61G7/10—Mounting of the couplings on the vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Valve Housings (AREA)
Abstract
The invention provides an integrated normally-closed unhooking air pipe connector which comprises a sealing ring, a valve body, a valve rod, a sealing bolt, a sealing gasket and a spring part, wherein the sealing ring, the valve body, the valve rod, the sealing bolt, the sealing gasket and the spring part are integrated with a main air pipe connector and then are installed on a hook body. The sealing ring is installed in the front of the valve rod, the sealing gasket is installed in the sealing bolt, the valve rod is installed in the valve body and can slide in the valve body after being pressed, the sealing bolt is connected with the rear of the valve rod through threads and abuts against the valve body together with the sealing gasket under the action of the spring, and the spring is installed between the sealing bolt and the main air pipe connector. According to the scheme of the invention, the valve body, the hook body and the positioning hole of the main air pipe connector are installed, and the installation positioning precision of the unhooking air pipe connector is improved through the matching of the hole shaft; meanwhile, the length of the guide sections of the valve body and the valve rod is lengthened through the rear-mounted spring, and the stability of the action of the valve rod is further improved.
Description
Technical Field
The invention relates to an unhooking air pipe connector, in particular to an integrated normally-closed unhooking air pipe connector, and belongs to the technical field of automatic couplers of railway vehicles.
Background
The uncoupling wind pipe connector can realize the communication of uncoupling wind paths of two mutually-connected uncoupling hooks. In order to realize the automatic uncoupling function of the automatic coupler of the rail transit vehicle, after an uncoupling instruction of one motor train unit is sent, the vehicle body supplies air to an uncoupling air pipe, the uncoupling air pipe is respectively connected with an uncoupling air pipe connector and an uncoupling air cylinder, compressed air respectively enters an uncoupling air cylinder and an uncoupling air pipe connector through the uncoupling air pipe, and then enters an uncoupling air cylinder of the other motor train unit through the uncoupling air pipe connector, and the uncoupling air cylinders of the two motor train units simultaneously act under the action of compressed air to realize automatic uncoupling.
The normally closed type unhooking air pipe connector has an automatic locking function and is widely applied to rail transit automatic couplers of motor train units and the like.
The normally closed unhooking air pipe connector in the prior art is an independent unhooking air pipe connector, comprises a sealing ring, a valve rod, a spring, a sealing bolt, a sealing gasket, a valve body and the like, and is connected with a hook body through threads on the valve body. After the two automatic car couplers are connected, the sealing ring and the valve rod are extruded, the spring is compressed, the bolt drives the sealing gasket to separate from the valve body, and the connection of the unhooking air paths of the two automatic car couplers is realized; after the automatic coupler is unhooked, the sealing ring and the valve rod are not pressed, and the sealing gasket is driven by the bolt to be contacted with the valve body under the action of the ring spring, so that the automatic locking of the unhooking air path is realized. In the in-service use in-process, because threaded connection between valve body and coupler body can not accurate location, the contact guide section of valve rod and valve body is shorter moreover, the jamming condition between valve rod and coupler body and valve rod and valve body often appears, can not pop out after leading to the valve rod unhook. Therefore, the prior art has the defect that the valve rod is easy to be stuck.
Disclosure of Invention
The invention provides an integrated normally-closed unhooking air duct connector aiming at the technical problems, the structure of the integrated normally-closed unhooking air duct connector is improved, the integrated normally-closed unhooking air duct connector is high in reliability and free from clamping stagnation, and the integrated normally-closed unhooking air duct connector is simpler in assembly method and more convenient to maintain compared with the prior art.
The technical scheme for solving the technical problems is as follows: the integrated normally-closed unhooking air duct connector comprises a sealing ring, a valve body, a valve rod, a sealing bolt, a sealing gasket and a spring; the valve body is arranged on the main air pipe connector, the valve body is provided with a cavity with two communicated ends in the length direction, and a port of the valve body connected with the hook body is inserted into the valve rod;
the valve rod is provided with a valve rod cavity arranged along the length direction, the end part of the valve rod, which is positioned outside the valve body, is provided with an opening communicated with the valve rod cavity, and the side wall of the other end of the valve rod is provided with a through hole communicated with the valve rod cavity;
the end part opening of the valve rod, which is positioned at the outer side of the valve body, is embedded into the sealing ring, the end part of the valve rod, which is inserted into the valve body, is provided with the sealing gasket through the sealing bolt, and the outer side of the sealing bolt is abutted against a spring limiting boss arranged on the inner wall of the extending connection cavity of the valve body through the spring;
the other end of the valve body, which is opposite to the valve rod, is connected with a compressed air pipeline through an extending connection cavity and a threaded joint.
According to the integrated normally-closed unhooking air pipe connector, the end face, in contact with the sealing gasket, of the valve body is an arc transition face, and the sealing performance of the sealing gasket and the valve body is improved.
According to the integrated normally-closed unhooking air pipe connector, the end part of the valve rod, which is arranged in the valve body, is provided with a sealing bolt mounting hole, the sealing bolt is arranged in the sealing bolt mounting hole, and the sealing gasket is embedded into the sealing bolt and abuts against the arc-shaped transition surface on the end surface of the valve body.
In the integrated normally closed unhooking air pipe connector, the diameter of the section of the valve rod from the through hole of the side wall of the valve rod to the end of the valve rod for mounting the sealing bolt is smaller than the diameter of the valve rod at other positions.
According to the integrated normally-closed unhooking air pipe connector, the inner wall of the valve body is provided with an O-shaped ring groove, and the valve body is in sealing fit with the valve rod through an O-shaped ring in the O-shaped ring groove.
Further, in order to improve the gas flux of the valve stem, the through hole is perpendicular to the valve stem cavity, and two intersecting perpendicular through holes are arranged on the valve stem.
According to the integrated normally-closed unhooking air pipe connector, the valve rod is inserted in the cavity of the valve body in a clearance fit mode, the valve rod can be ensured to normally stretch out and draw back in the valve body, the problem that the diameter of the inner cavity of the valve body is too small, and resistance to the valve rod is increased is avoided.
According to the integrated normally-closed unhooking air pipe connector, the valve body is connected with the extending connection cavity through the inserting and fixing structure, and the O-shaped sealing ring is arranged between the valve body and the extending connection cavity.
According to the integrated normally-closed unhooking air pipe connector, the length of the valve body is 6-8 times of the telescopic length of the valve rod, and the stability of the action of the valve rod is further improved by increasing the length of the guide section of the valve body for the valve rod.
A coupler comprises a coupler body, a main wind pipe connector and an integrated normally closed unhooking wind pipe connector, wherein the main wind pipe connector and the integrated normally closed unhooking wind pipe connector are mounted on the coupler body.
According to the invention, through improvement of the structural scheme, the unhooking wind pipe connector has a locking function, which is not provided by the traditional unhooking wind pipe connector; compared with a main air duct connector in the prior art, the main air duct connector in the scheme has the advantages that although the main air duct connector has the functions of connection and locking of an air duct, the function requirements can be met only by arranging a group of springs in the unhooking air duct connector, the structure complexity is reduced, the structure is simple and compact, and the reliability is higher. The connecting part sealing device and the locking part sealing device of the scheme of the application are arranged on two fixedly connected parts, however, the connecting part sealing device and the locking part sealing device of the main air duct connector scheme of the prior art are arranged on two mutually unrelated parts; the action uniformity of connecting position and locking position is better in this application scheme, and simple structure is good reliability moreover. In addition, this application scheme compares with the unhook wind pipe connector of prior art scheme, is provided with the valve body in this application unhook wind pipe connector, and this valve body and hook body and main wind pipe connector be the hole axle cooperation, can guarantee to unhook wind pipe connector mounting hole on the main wind pipe connector and unhook wind pipe connector mounting hole on the hook body to neutral, prevent that the valve rod from taking place the jamming in the motion process. The technical scheme of the prior art does not have the structural design, and the valve rod is easy to clamp and block, so that the normal use of the hook body is influenced.
The invention has the beneficial effects that: according to the scheme of the invention, the valve body, the hook body and the positioning hole of the main air pipe connector are installed, and the installation positioning precision of the unhooking air pipe connector is improved through the matching of the hole shaft; meanwhile, the length of the guide sections of the valve body and the valve rod is lengthened through the rear-mounted spring, and the stability of the action of the valve rod is further improved. The invention overcomes the defect that the prior scheme is easy to generate clamping stagnation in the test and practical application processes, and the assembly method is simpler and more convenient to maintain compared with the prior art.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an end view of FIG. 1;
FIG. 3 is a schematic view in partial cross-section of the present invention;
FIG. 4 is a schematic perspective view of the present invention;
FIG. 5 is a schematic sectional view A-A of FIG. 2;
FIG. 6 is a schematic view of the present invention mounted on a hook body;
fig. 7 is a schematic diagram of the coupling state of the invention after the coupler is coupled.
Detailed Description
Example 1
The present embodiment provides a coupler, including a coupler body, and a main wind pipe connector and an integrated normally closed unhooking wind pipe connector mounted on the coupler body, where the normally closed unhooking wind pipe connector is mounted on a coupler body 7 after being integrated with a main wind pipe connector 8, and the structure is as shown in fig. 1 to 7, and the normally closed unhooking wind pipe connector includes a seal ring 1, a valve body 2, a valve rod 3, a seal bolt 4, a seal gasket 5, and a spring 6; the valve body 2 is arranged on the main air pipe connector, the valve body 2 is provided with a cavity with two communicated ends in the length direction, and the port of the valve body 2 connected with the hook body 7 is inserted into the valve rod 3; the valve rod 3 is provided with a valve rod cavity arranged along the length direction, the end part of the valve rod 3 positioned outside the valve body 2 is provided with an opening communicated with the valve rod cavity, the side wall of the other end of the valve rod 3 is provided with a through hole, and the through hole is communicated with the valve rod cavity; the end part opening of the valve rod 3 positioned at the outer side of the valve body 2 is embedded with a sealing ring 1, the end part of the valve rod 3 inserted in the valve body 2 is provided with a sealing gasket 5 through a sealing bolt 4, and the outer side of the sealing bolt 4 is propped against a boss arranged on the inner wall of an extending connecting cavity 10 of the valve body 2 through a spring 6; the other end of the valve body 2 opposite to the mounting stem 3 is connected to the compressed air line 9 by means of an extended connection chamber 10 and a screw joint 11.
The end surface of the valve body 2 in contact with the sealing gasket 5 in the embodiment is an arc transition surface; the end part of the valve rod 3 installed in the valve body 2 is provided with a sealing bolt installation hole, the sealing bolt 4 is installed in the sealing bolt installation hole, and the sealing gasket 5 is embedded in the sealing bolt 4 and is abutted to the arc-shaped transition surface on the end surface of the valve body 2. The diameter of the valve rod 3 from the through hole on the side wall of the valve rod 3 to the end of the valve rod 3 where the sealing bolt 4 is arranged is smaller than that of other positions of the valve rod 3. An O-shaped ring groove is formed in the inner wall of the valve body 2, and the valve body 2 and the valve rod 3 are in sealing fit through an O-shaped ring in the O-shaped ring groove. The through hole is vertical to the cavity of the valve rod 3, and two crossed vertical through holes are arranged on the valve rod 3; the length of the valve body is 7 times of the telescopic length of the valve rod, and the stability of the action of the valve rod is further improved by increasing the length of the guide section of the valve body to the valve rod.
In the embodiment, when the coupler is not connected, the sealing bolt 4 and the sealing gasket 5 are contacted with the valve body 2 under the action of the spring 6, so that unhooking compressed air cannot pass through the unhooking wind pipe connector, and the unhooking wind pipe connector is locked. After the coupler is connected and hung, the sealing ring 1 and the valve rod 3 are pressed to drive the sealing bolt 4 and the sealing gasket 5 to move backwards and separate from the valve body 2, and the uncoupling air pipe connector is unlocked; when the car body supplies air to the uncoupling air pipe, compressed air can enter an uncoupling air cylinder of another motor train unit through the uncoupling air pipe connector, and automatic uncoupling of the car coupler is achieved.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (11)
1. An integrated normally-closed unhooking air duct connector comprises a sealing ring (1), a valve body (2), a valve rod (3), a sealing bolt (4), a sealing gasket (5) and a spring (6); the method is characterized in that:
the valve body (2) is arranged on the main air pipe connector, the valve body (2) is provided with a cavity with two communicated ends in the length direction, and a port of the valve body (2) connected with the hook body (7) is inserted into the valve rod (3);
the valve rod (3) is provided with a valve rod cavity arranged along the length direction, an opening is formed in the end part, located on the outer side of the valve body (2), of the valve rod (3) and communicated with the valve rod cavity, and a through hole is formed in the side wall of the other end of the valve rod (3) and communicated with the valve rod cavity;
the end opening of the valve rod (3) positioned at the outer side of the valve body (2) is embedded into the sealing ring (1), the end part of the valve rod (3) inserted in the valve body (2) is provided with the sealing gasket (5) through the sealing bolt (4), and the outer side of the sealing bolt (4) is abutted against a spring limiting boss arranged on the inner wall of the extending connection cavity (10) of the valve body (2) through the spring (6);
the other end of the valve body (2) opposite to the valve rod (3) is connected with a compressed air pipeline (9) through an extending connection cavity (10) and a threaded joint (11).
2. An integrated normally closed unhooking duct connector as defined in claim 1, wherein: the end face of the valve body (2) in contact with the sealing gasket (5) is an arc transition face.
3. An integrated normally closed unhooking duct connector as defined in claim 2, wherein: the valve rod (3) is installed the tip in the valve body (2) is equipped with the sealing bolt mounting hole, sealing bolt (4) are installed in the sealing bolt mounting hole embedding on sealing bolt (4) sealed pad (5) with arc transition face on the valve body (2) terminal surface offsets.
4. An integrated normally closed unhooking duct connector as defined in claim 3, wherein: the diameter of the section of the valve rod (3) from the through hole on the side wall of the valve rod (3) to the end part of the valve rod (3) where the sealing bolt (4) is installed is smaller than the diameter of other positions of the valve rod (3).
5. An integrated normally closed unhooking duct connector as defined in claim 1, wherein: an O-shaped ring groove is formed in the inner wall of the valve body (2), and the valve body (2) and the valve rod (3) are sealed in a matched mode through an O-shaped ring in the O-shaped ring groove.
6. An integrated normally closed unhooking duct connector as defined in claim 4, wherein: the through hole on the side wall of the valve rod (3) is vertical to the cavity of the valve rod (3).
7. An integrated normally closed unhooking duct connector as defined in claim 6, wherein: the side wall of the valve rod (3) is at least provided with two crossed and vertical through holes.
8. An integrated normally closed unhooking duct connector as defined in claim 1, wherein: the valve rod (3) is inserted in the cavity of the valve body (2) in a clearance fit mode.
9. An integrated normally closed unhooking duct connector as defined in claim 1, wherein: the valve body (2) is connected with the extending connecting cavity (10) through an inserting and fixing structure, and an O-shaped sealing ring is arranged between the valve body (2) and the extending connecting cavity (10).
10. An integrated normally closed unhooking duct connector as defined in claim 1, wherein: the length of the valve body (2) is 6-8 times of the telescopic length of the valve rod (3).
11. The utility model provides a coupler which characterized in that: the wind power generation device comprises a coupler body (7), and a main wind pipe connector (8) and an integrated normally-closed unhooking wind pipe connector which are installed on the coupler body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811267556.1A CN111098880B (en) | 2018-10-29 | 2018-10-29 | Integrated normally closed unhooking air pipe connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811267556.1A CN111098880B (en) | 2018-10-29 | 2018-10-29 | Integrated normally closed unhooking air pipe connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111098880A true CN111098880A (en) | 2020-05-05 |
| CN111098880B CN111098880B (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811267556.1A Active CN111098880B (en) | 2018-10-29 | 2018-10-29 | Integrated normally closed unhooking air pipe connector |
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| Country | Link |
|---|---|
| CN (1) | CN111098880B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86202396U (en) * | 1986-04-01 | 1986-12-10 | 曲洪信 | Automatic airpipe-connecting device for train |
| JP2012183974A (en) * | 2011-03-08 | 2012-09-27 | Kobelco Logistics Ltd | Yard rail carriage parking brake device |
| CN104358953A (en) * | 2014-11-04 | 2015-02-18 | 南车戚墅堰机车车辆工艺研究所有限公司 | Air hose connector for tight-lock coupler |
| CN204284743U (en) * | 2014-11-04 | 2015-04-22 | 南车戚墅堰机车车辆工艺研究所有限公司 | A kind of tight lock couplers air hose coupling |
| CN105015573A (en) * | 2015-07-24 | 2015-11-04 | 北京铁路局丰台车辆段 | Railway freight car wind path automatic picking off and coupling up device |
| CN204978691U (en) * | 2015-07-24 | 2016-01-20 | 北京铁路局丰台车辆段 | Automatic device of seting out of railway freight car |
| CN206691127U (en) * | 2016-12-22 | 2017-12-01 | 四川汇智众创科技有限公司 | Railway wagon brake flexible pipe connects extension and plucks solution device automatically |
| JP3214456U (en) * | 2017-10-30 | 2018-01-18 | 有限会社小澤空調機器製作所 | Ventilation device |
| CN108216292A (en) * | 2016-12-22 | 2018-06-29 | 四川汇智众创科技有限公司 | Railway wagon brake hose connects extension and plucks solution device automatically |
| CN209064105U (en) * | 2018-10-29 | 2019-07-05 | 常州中车铁马科技实业有限公司 | The normally closed uncoupling air hose coupling of integrated form and its hitch |
-
2018
- 2018-10-29 CN CN201811267556.1A patent/CN111098880B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86202396U (en) * | 1986-04-01 | 1986-12-10 | 曲洪信 | Automatic airpipe-connecting device for train |
| JP2012183974A (en) * | 2011-03-08 | 2012-09-27 | Kobelco Logistics Ltd | Yard rail carriage parking brake device |
| CN104358953A (en) * | 2014-11-04 | 2015-02-18 | 南车戚墅堰机车车辆工艺研究所有限公司 | Air hose connector for tight-lock coupler |
| CN204284743U (en) * | 2014-11-04 | 2015-04-22 | 南车戚墅堰机车车辆工艺研究所有限公司 | A kind of tight lock couplers air hose coupling |
| CN105015573A (en) * | 2015-07-24 | 2015-11-04 | 北京铁路局丰台车辆段 | Railway freight car wind path automatic picking off and coupling up device |
| CN204978691U (en) * | 2015-07-24 | 2016-01-20 | 北京铁路局丰台车辆段 | Automatic device of seting out of railway freight car |
| CN206691127U (en) * | 2016-12-22 | 2017-12-01 | 四川汇智众创科技有限公司 | Railway wagon brake flexible pipe connects extension and plucks solution device automatically |
| CN108216292A (en) * | 2016-12-22 | 2018-06-29 | 四川汇智众创科技有限公司 | Railway wagon brake hose connects extension and plucks solution device automatically |
| JP3214456U (en) * | 2017-10-30 | 2018-01-18 | 有限会社小澤空調機器製作所 | Ventilation device |
| CN209064105U (en) * | 2018-10-29 | 2019-07-05 | 常州中车铁马科技实业有限公司 | The normally closed uncoupling air hose coupling of integrated form and its hitch |
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| Publication number | Publication date |
|---|---|
| CN111098880B (en) | 2024-05-24 |
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Effective date of registration: 20220507 Address after: 266111 South Side of Xinye Road and West Side of Herong Road, Qingdao Hi-tech Industrial Development Zone, Shandong Province Applicant after: CRRC Brake System Co.,Ltd. Address before: 213000 No.19 Shunyuan Road, Xuejia Town, Xinbei District, Changzhou City, Jiangsu Province Applicant before: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Applicant before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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