CN205155257U - Automatically controlled stop valve of tribit tee bend - Google Patents
Automatically controlled stop valve of tribit tee bend Download PDFInfo
- Publication number
- CN205155257U CN205155257U CN201520916324.XU CN201520916324U CN205155257U CN 205155257 U CN205155257 U CN 205155257U CN 201520916324 U CN201520916324 U CN 201520916324U CN 205155257 U CN205155257 U CN 205155257U
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- China
- Prior art keywords
- valve
- chamber
- valve body
- gate valve
- seal ring
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- Withdrawn - After Issue
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Abstract
The utility model provides an automatically controlled stop valve of tribit tee bend, including valve body, bottom plate and valve gap, the top and the valve bonnet seal fixed connection of valve body, valve body bottom and the sealed fixed connection of bottom plate, inside vertical two the two for two stop valve structures that the structure is the same that are equipped with side by side of valve body, both are in left side control chamber and right control intracavity in the valve body respectively. Automatically controlled stop valve of tribit tee bend, reduced the requirement to compressed air filter fineness, the compressed air of work usefulness does not need the secondary to purify. The utility model discloses a stopper core and case all adopt vertical mounting means, and the unbiased is ground, have reduced the case and have ground the trouble of leaking out that arouses partially, have improved the reliable life of product. The utility model discloses but manually operation need not to air exhaust when just maintaining, has made things convenient for the maintenance and the maintenance of on -the -spot electromagnetism pilot valve.
Description
Technical field
The utility model belongs to railway humpmarshalling yards speed control device control field, especially relates to a kind of three position three-way control valve.
Background technique
At present, domestic hump marshalling station speed control device control valve used mostly is sliding valve style solenoid directional control valve, and this valve seal mode adopts radial seal, and this kind of structure requires higher to compressed-air actuated filter precision and spool often has eccentric wear and jam phenomenon.
Summary of the invention
In view of this, the utility model is intended to propose a kind of 3-position-3-way electric-control stop valve, to reduce existing apparatus to compressed-air actuated requirement, and reduces the eccentric wear of spool and the generation of jam phenomenon.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of 3-position-3-way electric-control stop valve, comprises valve body, base plate and valve gap; The top of valve body is fixedly connected with valve bonnet seal, and valve body bottom and base plate are sealedly and fixedly connected, and valve inner is longitudinally provided with the identical 2/2-way stop valve structure of two structures side by side, and both are in left control chamber in valve body and right control chamber respectively; Left control chamber is split into from top to bottom alleviates chamber, exhaust cavity and left gate valve chamber, and alleviate in chamber and be provided with piston group, piston group comprises plug core, and the axis of plug core is set with the first seal ring and piston spring; Be provided with gate valve in left gate valve chamber, gate valve comprises spool, and the axis of spool is set with the second seal ring and large valve spring, and the end of plug core is corresponding with the position of end in active chamber of spool, and both end faces are at a distance of 2 ~ 3mm; Exhaust cavity is connected with the relief opening on valve body left side wall; Right control chamber is split into brake chamber, active chamber and right gate valve chamber from top to bottom; Piston group is provided with in brake chamber, be provided with gate valve in right gate valve chamber, the end of plug core is corresponding with the position of end in active chamber of spool, and both end faces are at a distance of 2 ~ 3mm, the left end of active chamber is connected with left gate valve chamber, and the working hole on right-hand member and valve body right side wall is connected; Suction port on the bottom in right gate valve chamber and base plate is connected; Valve body is fixed with left electromagnetic priority valve and right electromagnetic priority valve; Left electromagnetic priority valve and alleviation chamber UNICOM, right electromagnetic priority valve and brake chamber UNICOM.
Further, described first seal ring is L-type seal ring, is provided with little push pedal between the first seal ring and piston spring.
Further, be provided with large push pedal between described second seal ring and large valve spring, the second seal ring is inlaid in the upper end of large push pedal.
Further, described valve body is also provided with switch valve, switch valve and right gate valve chamber UNICOM.
Further, described left electromagnetic priority valve and right electromagnetic priority valve are respectively equipped with left hand switch and right hand switch.
Further, the internal diameter of described relief opening, exhaust cavity, left gate valve chamber, right gate valve chamber, suction port, active chamber and working hole is all not less than 45mm.
Further, corresponding with plug core on described valve gap bottom position is provided with rubber mat plate.
Further, lower end, described left gate valve chamber is provided with sealing bolt, and sealing bolt is connected with valve body screw thread, and sealing bolt seals mutually with valve body.
Further, lower end, described right gate valve chamber is provided with nut, and nut is connected with valve body screw thread.
Relative to prior art, 3-position-3-way electric-control stop valve described in the utility model has following advantage:
3-position-3-way electric-control stop valve described in the utility model, reduces the requirement to pressurized air filter precision, and the pressurized air of work does not need double purification.Plug core of the present utility model and spool all adopt vertical mounting type, eccentric wear free, decrease the fault of leaking out that spool eccentric wear causes, and improve product reliable working life.The utility model can manually-operable and without the need to air draft when safeguarding, facilitate maintenance and the maintenance of on-the-spot electromagnetic priority valve.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the sectional view of the 3-position-3-way electric-control stop valve described in the utility model embodiment;
Fig. 2 is the plan view of the 3-position-3-way electric-control stop valve described in the utility model embodiment.
Description of reference numerals:
1 right electromagnetic priority valve; The left electromagnetic priority valve of 2-; 3-first seal ring; 4-fills in core; The large push pedal of 5-; 6-spool; 7-switch valve; 8-base plate; 9-valve gap; 10-nut; 11-seals bolt; The large valve spring of 12-; 13-piston spring; 14-rubber mat plate; The right hand switch of 15-; The left hand switch of 16-; 17-valve body; The little push pedal of 18-; 19-second seal ring; 20-alleviates chamber; 21-relief opening; 22-exhaust cavity; The left gate valve chamber of 23-; 24-brake chamber; 25-working hole; 26-active chamber; The right gate valve chamber of 27-; 28-suction port.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " etc. only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature being limited with " first ", " second " etc.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood by concrete condition.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As Fig. 1,2, the utility model proposes a kind of 3-position-3-way electric-control stop valve, comprise valve body 17, base plate 8 and valve gap 9; Top and the valve gap 9 of valve body 17 are sealedly and fixedly connected, valve body 17 bottom and base plate 8 are sealedly and fixedly connected, valve body 17 is inner is longitudinally provided with the identical 2/2-way stop valve structure of two structures side by side, and both are in left control chamber in valve body 17 and right control chamber respectively; Left control chamber is split into from top to bottom alleviates chamber 20, exhaust cavity 22 and left gate valve chamber 23, alleviates in chamber 20 and is provided with piston group, and piston group comprises plug core 4, and the axis of plug core 4 is set with the first seal ring 3 and piston spring 13; Be provided with gate valve in left gate valve chamber 23, gate valve comprises spool 6, and the axis of spool 6 is set with the second seal ring 19 and large valve spring 12, and the end of plug core 4 is corresponding with the position of end in exhaust cavity 22 of spool 6, and both end faces are at a distance of 2 ~ 3mm; Exhaust cavity 22 is connected with the relief opening 21 on valve body 17 left side wall; Right control chamber is split into brake chamber 24, active chamber 26 and right gate valve chamber 27 from top to bottom; Piston group is provided with in brake chamber 24, gate valve is provided with in right gate valve chamber 27, the end of plug core 4 is corresponding with the position of end in active chamber 26 of spool 6, both end faces are at a distance of 2 ~ 3mm, the left end of active chamber 26 is connected with left gate valve chamber 23, and the working hole 25 on right-hand member and valve body 17 right side wall is connected; Suction port 28 on the bottom in right gate valve chamber 27 and base plate 8 is connected; Valve body 17 is fixed with left electromagnetic priority valve 2 and right electromagnetic priority valve 1; Left electromagnetic priority valve 2 and alleviation chamber 20 UNICOM, right electromagnetic priority valve 1 and brake chamber 24 UNICOM.
Above-mentioned first seal ring 3 is L-type seal ring, is provided with little push pedal 18 between the first seal ring 3 and piston spring 13.
The upper end that large push pedal 5, second seal ring 19 is inlaid in large push pedal 5 is provided with between above-mentioned second seal ring 19 and large valve spring 12.
Above-mentioned valve body 17 is also provided with switch valve 7, switch valve 7 and right gate valve chamber 27 UNICOM.
Above-mentioned left electromagnetic priority valve 2 and right electromagnetic priority valve 1 are respectively equipped with left hand switch 16 and right hand switch 15.
The internal diameter of above-mentioned relief opening 21, exhaust cavity 22, left gate valve chamber 23, right gate valve chamber 27, suction port 28, active chamber 26 and working hole 25 is all not less than 45mm.
Position corresponding with plug core 4 on above-mentioned valve gap 9 bottom is provided with rubber mat plate 14.
Lower end, above-mentioned left gate valve chamber 23 is provided with sealing bolt 11, and sealing bolt 11 is threaded with valve body 17, and sealing bolt 11 seals with valve body 17 phase.
Lower end, above-mentioned right gate valve chamber 27 is provided with nut 10, and nut 10 is threaded with valve body 17.
During work, right electromagnetic priority valve of the present utility model 1 electric or after operating right hand switch 15, the dynamic iron core of right electromagnetic priority valve 1 picks up, pressurized air enters brake chamber 24 by right electromagnetic priority valve 1, promote the first seal ring 3 of brake chamber 24 inner carrier group, first seal ring 3 makes plug core 4 move downward by little push pedal 18, and then the spool 6 promoting gate valve moves downward, spool 6 promotes large push pedal 5, large push pedal 5 drives the second seal ring 19 to move downward, and right gate valve chamber 27 is connected with active chamber 26.Now, no matter right electromagnetic priority valve 1 whether dead electricity or right hand switch 15 whether reset, whether plug core 4 and spool 6 get back to initial position, and have pressurized air in active chamber 26, working hole 25 place is in the state having pressurized air to pass through always always.
When left electromagnetic priority valve 2 of the present utility model electric or after operating left hand switch 16, left electromagnetic priority valve 2 moves iron core and picks up, pressurized air is entered by left electromagnetic priority valve 2 alleviates chamber 20, promote the piston group alleviated in chamber 20 and move downward, and then promotion gate valve moves downward.Afterwards, active chamber 26 and exhaust cavity 22 are connected.
When the utility model needs to change left electromagnetic priority valve 2 or right electromagnetic priority valve 1, operable switch valve 7 carrys out closing control gas circuit, without the need to first carrying out air draft, simplifies maintenance process.
3-position-3-way electric-control stop valve described in the utility model, reduces the requirement to pressurized air filter precision, and the pressurized air of work does not need double purification.Plug core 4 of the present utility model and spool 6 all adopt vertical mounting type, eccentric wear free, decrease the fault of leaking out that spool eccentric wear causes, and improve product reliable working life.The utility model can manually-operable and without the need to air draft when safeguarding, facilitate maintenance and the maintenance of on-the-spot electromagnetic priority valve.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a 3-position-3-way electric-control stop valve, comprises valve body (17), base plate (8) and valve gap (9); Top and the valve gap (9) of valve body (17) are sealedly and fixedly connected, valve body (17) bottom and base plate (8) are sealedly and fixedly connected, it is characterized in that: valve body (17) is inner is longitudinally provided with the identical 2/2-way stop valve structure of two structures side by side, both are in left control chamber in valve body (17) and right control chamber respectively;
Left control chamber is split into from top to bottom alleviates chamber (20), exhaust cavity (22) and left gate valve chamber (23), alleviate in chamber (20) and be provided with piston group, piston group comprises plug core (4), and the axis of plug core (4) is set with the first seal ring (3) and piston spring (13); Gate valve is provided with in left gate valve chamber (23), gate valve comprises spool (6), the axis of spool (6) is set with the second seal ring (19) and large valve spring (12), the end of plug core (4) is corresponding with the position of end in exhaust cavity (22) of spool (6), and both end faces are at a distance of 2 ~ 3mm; Exhaust cavity (22) is connected with the relief opening (21) on valve body (17) left side wall;
Right control chamber is split into brake chamber (24), active chamber (26) and right gate valve chamber (27) from top to bottom; Brake chamber is provided with piston group in (24), gate valve is provided with in right gate valve chamber (27), the end of plug core (4) is corresponding with the position of end in active chamber (26) of spool (6), and both end faces are at a distance of 2 ~ 3mm; The left end of active chamber (26) is connected with left gate valve chamber (23), and the working hole (25) on right-hand member and valve body (17) right side wall is connected; Suction port (28) on the bottom of right gate valve chamber (27) and base plate (8) is connected;
Valve body (17) is fixed with left electromagnetic priority valve (2) and right electromagnetic priority valve (1); Left electromagnetic priority valve (2) and alleviation chamber (20) UNICOM, right electromagnetic priority valve (1) and brake chamber (24) UNICOM.
2. 3-position-3-way electric-control stop valve according to claim 1, it is characterized in that: described first seal ring (3) is L-type seal ring, is provided with little push pedal (18) between the first seal ring (3) and piston spring (13).
3. 3-position-3-way electric-control stop valve according to claim 1, it is characterized in that: be provided with large push pedal (5) between described second seal ring (19) and large valve spring (12), the second seal ring (19) is inlaid in the upper end of large push pedal (5).
4. 3-position-3-way electric-control stop valve according to claim 1, is characterized in that: described valve body (17) is also provided with switch valve (7), switch valve (7) and right gate valve chamber (27) UNICOM.
5. 3-position-3-way electric-control stop valve according to claim 1, is characterized in that: described left electromagnetic priority valve (2) and right electromagnetic priority valve (1) are respectively equipped with left hand switch (16) and right hand switch (15).
6. 3-position-3-way electric-control stop valve according to claim 1, is characterized in that: the internal diameter of described relief opening (21), exhaust cavity (22), left gate valve chamber (23), right gate valve chamber (27), suction port (28), active chamber (26) and working hole (25) is all not less than 45mm.
7. 3-position-3-way electric-control stop valve according to claim 1, is characterized in that: position corresponding with plug core (4) on described valve gap (9) bottom is provided with rubber mat plate (14).
8. 3-position-3-way electric-control stop valve according to claim 1, it is characterized in that: described left gate valve chamber (23) lower end is provided with sealing bolt (11), sealing bolt (11) is threaded with valve body (17), and sealing bolt (11) seals mutually with valve body (17).
9. 3-position-3-way electric-control stop valve according to claim 1, is characterized in that: described right gate valve chamber (27) lower end is provided with nut (10), and nut (10) is threaded with valve body (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520916324.XU CN205155257U (en) | 2015-11-17 | 2015-11-17 | Automatically controlled stop valve of tribit tee bend |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520916324.XU CN205155257U (en) | 2015-11-17 | 2015-11-17 | Automatically controlled stop valve of tribit tee bend |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205155257U true CN205155257U (en) | 2016-04-13 |
Family
ID=55690950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520916324.XU Withdrawn - After Issue CN205155257U (en) | 2015-11-17 | 2015-11-17 | Automatically controlled stop valve of tribit tee bend |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205155257U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276237A (en) * | 2015-11-17 | 2016-01-27 | 天津铁路信号有限责任公司 | Three-position three-way electric-control stop valve |
| CN107830212A (en) * | 2017-11-30 | 2018-03-23 | 安徽中捷矿山运输设备有限责任公司 | 3 position-5 way Pneumatic reversal valve |
-
2015
- 2015-11-17 CN CN201520916324.XU patent/CN205155257U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276237A (en) * | 2015-11-17 | 2016-01-27 | 天津铁路信号有限责任公司 | Three-position three-way electric-control stop valve |
| CN107830212A (en) * | 2017-11-30 | 2018-03-23 | 安徽中捷矿山运输设备有限责任公司 | 3 position-5 way Pneumatic reversal valve |
| CN107830212B (en) * | 2017-11-30 | 2024-03-26 | 安徽中捷矿山运输设备有限责任公司 | Three-position five-way air control reversing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160413 Effective date of abandoning: 20170725 |