CN114590235A - Self-exhaust angle cock - Google Patents
Self-exhaust angle cock Download PDFInfo
- Publication number
- CN114590235A CN114590235A CN202210229561.3A CN202210229561A CN114590235A CN 114590235 A CN114590235 A CN 114590235A CN 202210229561 A CN202210229561 A CN 202210229561A CN 114590235 A CN114590235 A CN 114590235A
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- Prior art keywords
- self
- action rod
- air inlet
- action
- cock
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/021—Railway control or brake valves
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a self-exhaust angle cock, which comprises a cock body, wherein a three-way air inlet, an air outlet and a self-exhaust port are arranged in the cock body, an action rod assembly which is movable between the air inlet and the self-exhaust port is arranged in the cock body, and the action rod assembly is connected with a handle. The invention has the beneficial effects that: the sealing is performed by adopting the action of large spring force, so that the sealing effect is good; a dust filter is added to protect the lip sealing washer, the sealing effect is improved, and the service life is prolonged; the circumference rotates to drive the sealing device to linearly displace, and under the action of spring force or pressure of pressure air, the sealing effect is better when the rubber part contracts under the low-temperature condition.
Description
Technical Field
The invention relates to a braking device, in particular to a self-exhaust angle cock.
Background
The angle cock is an important component of a locomotive vehicle braking device and is used for connecting a brake main pipe with a hose connector. Classified by standard, there are angle plugs that meet UIC standards, angle plugs that meet AAR standards, angle plugs that meet TB standards, and so on. According to the function classification, the angle cock with the self-exhaust function and the angle cock without the self-exhaust function are provided. The traditional angle cock has poor sealing performance, and a novel angle cock needs to be developed.
Disclosure of Invention
The invention aims to: the utility model provides a from exhaust dog-ear door, has solved the problem of current dog-ear door leakproofness, is equipped with the dust filter part at the exhaust port end for realize braking main pipe or other air main's controllable formula machinery and close.
The purpose of the invention is realized by the following technical scheme:
a self-exhaust angle cock comprises a cock body, wherein a tee-joint air inlet, an air outlet and a self-exhaust port are arranged in the cock body, an action rod assembly moving between the air inlet and the self-exhaust port is arranged in the cock body, and the action rod assembly is connected with a handle.
Furthermore, the air inlet is in threaded connection with the joint, and a joint sealing ring is arranged between the joint and the plug door body.
Further, the action rod assembly include the master rod body, the cover is equipped with air inlet position sealing washer and packing ring on the master rod body, air inlet position sealing washer is established on the packing ring, be equipped with the spring between packing ring and the master rod body, be equipped with gas vent position sealing washer on the master rod body.
Furthermore, the total rod body comprises an action rod head and an action rod, the action rod head is connected with the action rod, an air inlet position sealing ring, a gasket and a spring sleeve are arranged on the action rod head, the air inlet position sealing ring, the gasket and the spring cover are arranged in the action rod, and an air outlet position sealing ring is fixed on the outer side of the action rod.
Furthermore, the action rod head is connected with the action rod through a bolt.
Furthermore, an arc-shaped guide groove is formed in the action rod head.
Furthermore, the handle is connected with an eccentric shaft, and the eccentric shaft is clamped on the action rod assembly.
Furthermore, the self-exhaust port is connected with the dust filter sleeve.
Furthermore, the dust filtering sleeve comprises a dust filtering sleeve, a filter disc is arranged in the dust filtering sleeve, and a check ring for clamping the filter disc is arranged in the dust filtering sleeve.
Furthermore, the cock body is in threaded connection with a locking nut positioned at the air outlet.
The invention realizes the following functions:
1. the dust filtering sleeve is designed, so that dust can be filtered, exhaust and drainage can be realized, and the service life of part of parts is prolonged.
2. The sealing element adopts a lip edge type, and the sealing effect is good.
3. The dust filtering sleeve is connected with the cock body by threads, so that the cock body is convenient to process and the folded angle cock is convenient to maintain.
The invention has the beneficial effects that:
1. the sealing is performed by adopting the action of a large spring force, and the sealing effect is good.
2. The dust filter is added to protect the lip sealing washer, improve the sealing effect and prolong the service life.
3. The circumference rotates to drive the sealing device to linearly displace, and under the action of spring force or pressure of pressure air, the sealing effect is better when the rubber part contracts under the low-temperature condition.
The main scheme and the further selection schemes can be freely combined to form a plurality of schemes which are all adopted and claimed by the invention; in the present invention, the selection (each non-conflicting selection) and the other selections can be freely combined. The skilled person in the art can understand that there are many combinations, which are all the technical solutions to be protected by the present invention, according to the prior art and the common general knowledge after understanding the scheme of the present invention, and the technical solutions are not exhaustive herein.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a schematic view of the construction of the action rod of the present invention.
FIG. 3 is a schematic view of the dust filter of the present invention.
FIG. 4 is a schematic diagram of the open state of the present invention.
Fig. 5 is a schematic view of the closed state of the present invention.
In the figure: 1-joint, 2-joint sealing ring, 3-action rod, 4-cock body, 5-handle, 6-eccentric shaft, 7-dust filtering sleeve, 8-locking nut, 41-air inlet, 42-air outlet, 43-self-exhaust port; 31-action rod head, 32-air inlet position sealing ring, 33-spring, 34-action rod, 35-air outlet position sealing ring, 36-gasket and 37-bolt; 71-dust filter sleeve, 72-filter sheet and 73-retainer ring.
Detailed Description
The invention will be further described with reference to specific embodiments and the accompanying drawings.
Referring to fig. 1 to 3, the self-exhaust angle cock comprises a joint 1, a joint sealing ring 2, an action rod assembly 3, a cock body 4, a handle 5, an eccentric shaft 6, a dust filtering sleeve assembly 7 and a locking nut 8.
The valve body 4 is internally provided with an air inlet 41, an air outlet 42 and a self-exhaust port 43 which are communicated with each other, the valve body 4 is internally provided with an action rod assembly 3 which moves between the air inlet 41 and the self-exhaust port 43, the action rod assembly 3 is connected with the handle 5, the handle 5 is used for controlling the moving position of the action rod assembly 3, the air inlet 41 or the self-exhaust port 43 is sealed and closed, and the other two passages are communicated.
The air inlet 41 is in threaded connection with the joint 1, and the joint 1 is used for connecting a brake main pipe. A joint sealing ring 2 is arranged between the joint 1 and the plug door body 4, so that the sealing performance between the joint 1 and the plug door body 4 is ensured.
The action rod assembly 3 includes an action rod head 31, an air inlet position seal ring 32, a spring 33, an action rod 34, an air outlet position seal ring 35 (preferably a lip seal ring), a gasket 36 and a bolt 37. The action rod head 31 is connected with the action rod 34 through a bolt 37, the air inlet position sealing ring 32, the gasket 36 and the spring 33 are sleeved on the action rod head 31, the air inlet position sealing ring 32, the gasket 36 and the spring 33 are covered in the action rod 34, and the air outlet position sealing ring 35 is fixed on the outer side of the action rod 34.
The action rod head 31 is provided with an arc-shaped guide groove for guiding and transiting the air flow when the air inlet 41 is communicated with the air outlet 42, so as to reduce the wind resistance. The gap between the outside of the action rod head 31 and the inside of the action rod 34 forms a slideway to allow axial sliding movement of the inlet seat seal 32 and the washer 36.
The air inlet position sealing ring 32 is arranged on a gasket 36, a spring 33 is arranged between the gasket 36 and the action rod 34, and the spring 33 provides elastic force for the air inlet position sealing ring 32 through the gasket 36, so that when the valve is closed, the air inlet position sealing ring 32 is tightly attached to the joint 1, and a good sealing stop is formed on an air inlet.
The outside of action pole 34 is equipped with the annular, and gas vent position sealing washer 35 is installed in the annular, and when opening the position, gas vent position sealing washer 35 closely laminates with the cock body 4, forms good sealed the stopping from gas vent 43.
The handle 5 is fixedly connected with the eccentric shaft 6, the eccentric shaft 6 is rotatably arranged on the cock body 4, and the eccentric shaft 6 can be driven to rotate through the handle 5. The eccentric shaft 6 is snapped into the vertical slot of the actuating rod 34. Because the action rod 34 of the action rod assembly 3 is slidably mounted in the cock body 4, the action rod 34 is driven to slide left and right in the cock body 4 through the rotary swing of the eccentric shaft 6, and the action rod assembly 3 is slid to an opening position or a closing position.
The self-exhaust port 43 is provided with a dust filtering sleeve assembly 7 which mainly plays a self-exhaust role and also has dust filtering and water discharging roles to protect parts such as lip sealing rings and the like. The dust filtering sleeve assembly 7 comprises a dust filtering sleeve 71, the dust filtering sleeve 71 is in threaded connection with the self-exhaust port 43, a filter sheet 72 is arranged in the dust filtering sleeve 71, and air is purified and filtered by the filter sheet 72. A retainer ring 73 for clamping the filter sheet 72 is arranged in the dust filtering sleeve 71, and the filter sheet 72 is installed by the retainer ring 73.
The cock body 4 is in threaded connection with a locking nut 8 positioned outside the air outlet 42.
The working process of the invention is as follows: referring to fig. 4 and 5, the self-venting angle cock has two active positions, open and closed, and has the function of venting the pressure air in the hose to the atmosphere when in the closed position.
An opening position: when the handle 5 is at a position about 20 degrees different from the horizontal position, the air passage leading to the air outlet is sealed by the air-outlet-position sealing ring 35 under the action of air pressure, so that the air inlet and the air outlet (one side of the hose connector) are communicated.
Closing position: when external force drives the handle 5 to rotate anticlockwise from the opening position, the action rod assembly 3 is driven to move leftwards, the air outlet is communicated with the self-exhaust port, and at the moment, pressure air in the hose starts to exhaust from the self-exhaust port. When the handle 5 is in the vertical position, the air inlet position sealing ring 32 seals the air inlet under the action of the spring force of the spring 33, and the angle cock is in the closed position.
The foregoing basic embodiments of the invention and their various further alternatives can be freely combined to form multiple embodiments, all of which are contemplated and claimed herein. In the scheme of the invention, each selection example can be combined with any other basic example and selection example at will.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a from exhaust dog-ear cock, includes cock body (4), its characterized in that: the novel plug door is characterized in that a three-way air inlet (41), an air outlet (42) and a self-exhaust port (43) are arranged in the plug door body (4), an action rod assembly (3) moving between the air inlet (41) and the self-exhaust port (43) is arranged in the plug door body (4), and the action rod assembly (3) is connected with the handle (5).
2. The self venting angle cock as defined in claim 1, wherein: the air inlet (41) is in threaded connection with the joint (1), and a joint sealing ring (2) is arranged between the joint (1) and the cock body (4).
3. The self venting angle cock as defined in claim 1, wherein: action bars constitute (3) including the total body of rod, the cover is equipped with air inlet position sealing washer (32) and packing ring (36) on the total body of rod, air inlet position sealing washer (32) are established on packing ring (36), be equipped with spring (33) between packing ring (36) and the total body of rod, be equipped with gas vent position sealing washer (35) on the total body of rod.
4. The self venting angle cock as defined in claim 3, wherein: the main rod body comprises an action rod head (31) and an action rod (34), the action rod head (31) is connected with the action rod (34), an air inlet position sealing ring (32), a gasket (36) and a spring (33) are sleeved on the action rod head (31), the air inlet position sealing ring (32), the gasket (36) and the spring (33) are covered in the action rod (34), and an air outlet position sealing ring (35) is fixed on the outer side of the action rod (34).
5. The self venting angle cock as defined in claim 4, wherein: the action rod head (31) is connected with the action rod (34) through a bolt (37).
6. The self venting angle cock as defined in claim 4, wherein: the action rod head (31) is provided with an arc-shaped guide groove.
7. A self-venting angle cock as claimed in claim 1 or 3, wherein: the handle (5) is connected with an eccentric shaft (6), and the eccentric shaft (6) is clamped on the action rod assembly (3).
8. The self venting angle cock as defined in claim 1, wherein: the self-exhaust port (43) is connected with the dust filtering sleeve assembly (7).
9. The self-venting angle plug as in claim 8, wherein: the dust filtering sleeve assembly (7) comprises a dust filtering sleeve (71), a filter disc (72) is arranged in the dust filtering sleeve (71), and a retaining ring (73) for clamping the filter disc (72) is arranged in the dust filtering sleeve (71).
10. The self venting angle cock as defined in claim 1, wherein: the plug door body (4) is in threaded connection with a locking nut (8) positioned at the air outlet (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210229561.3A CN114590235B (en) | 2022-03-09 | 2022-03-09 | Self-exhausting angle cock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210229561.3A CN114590235B (en) | 2022-03-09 | 2022-03-09 | Self-exhausting angle cock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114590235A true CN114590235A (en) | 2022-06-07 |
| CN114590235B CN114590235B (en) | 2023-09-26 |
Family
ID=81816754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210229561.3A Active CN114590235B (en) | 2022-03-09 | 2022-03-09 | Self-exhausting angle cock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114590235B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2574957Y (en) * | 2002-10-14 | 2003-09-24 | 董佑 | Anti interference train tail monitor |
| CN203111200U (en) * | 2013-03-12 | 2013-08-07 | 盐城市海通铁路配件有限公司 | Anti-closed half-ball-shaped angle cock for locomotive |
| CN205554208U (en) * | 2016-04-27 | 2016-09-07 | 眉山中车制动科技股份有限公司 | From angle cock that airs exhaust |
| CN206503992U (en) * | 2016-09-14 | 2017-09-19 | 常州恒立气动科技有限公司 | A kind of cut-off type two-position three-way valve |
| CN209875984U (en) * | 2018-12-21 | 2019-12-31 | 宁波雷博医疗科技有限公司 | Sealing combination device |
| CN215980922U (en) * | 2021-09-03 | 2022-03-08 | 南京中车浦镇海泰制动设备有限公司 | Pipe joint type cut-off plug door for railway vehicle |
-
2022
- 2022-03-09 CN CN202210229561.3A patent/CN114590235B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2574957Y (en) * | 2002-10-14 | 2003-09-24 | 董佑 | Anti interference train tail monitor |
| CN203111200U (en) * | 2013-03-12 | 2013-08-07 | 盐城市海通铁路配件有限公司 | Anti-closed half-ball-shaped angle cock for locomotive |
| CN205554208U (en) * | 2016-04-27 | 2016-09-07 | 眉山中车制动科技股份有限公司 | From angle cock that airs exhaust |
| CN206503992U (en) * | 2016-09-14 | 2017-09-19 | 常州恒立气动科技有限公司 | A kind of cut-off type two-position three-way valve |
| CN209875984U (en) * | 2018-12-21 | 2019-12-31 | 宁波雷博医疗科技有限公司 | Sealing combination device |
| CN215980922U (en) * | 2021-09-03 | 2022-03-08 | 南京中车浦镇海泰制动设备有限公司 | Pipe joint type cut-off plug door for railway vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114590235B (en) | 2023-09-26 |
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