CN211315190U - Drain valve for railway passenger car - Google Patents
Drain valve for railway passenger car Download PDFInfo
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- CN211315190U CN211315190U CN201921731143.4U CN201921731143U CN211315190U CN 211315190 U CN211315190 U CN 211315190U CN 201921731143 U CN201921731143 U CN 201921731143U CN 211315190 U CN211315190 U CN 211315190U
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- spheroid
- railway passenger
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Abstract
The utility model relates to a railway passenger train is with bleeder valve, including valve body, valve gap, spheroid and revolving cylinder, correspond on valve body and valve gap and be provided with import and export, the spheroid is installed in the valve body, the spheroid has and runs through the through-hole, the spheroid passes through the adapter sleeve and is connected with revolving cylinder's valve rod, drives the rotatory break-make that realizes between import and the export of spheroid through revolving cylinder. The utility model discloses a structure of ball valve to utilize revolving cylinder to drive the spheroid rotation and then realize the switching of valve, not only overall structure design is simple reliable, can effectively avoid the jamming moreover, improves railway passenger train health system usability.
Description
Technical Field
The utility model relates to a bleeder valve, in particular to bleeder valve for passenger train belongs to passenger train health system technical field.
Background
At present, the discharge control valves of the sewage and the waste water of the railway passenger cars are mainly butterfly valves, slide valves and the like. The two valves have the following defects that firstly, the structure process of the valve body is complex, and the requirements on materials, processing precision and assembly process are high; secondly, the two valves have higher requirements on the installation precision in the use process, and if the two valves are installed eccentrically, the drain valve is blocked, so that the use of a sanitary system is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a structural design is simple reliable, can effectively avoid the jamming, improves the passenger train for the passenger train drainage valve of passenger train health system usability.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a drain valve for passenger train, includes valve body, valve gap, spheroid and revolving cylinder, corresponds on valve body and valve gap and is provided with import and export, the spheroid is installed in the valve body, the spheroid has and runs through the through-hole, the spheroid passes through the adapter sleeve and is connected with revolving cylinder's valve rod, drives the rotatory break-make that realizes between import and the export of spheroid through revolving cylinder.
Further, the valve cover is installed on the valve body in a threaded connection mode.
Furthermore, limit structures for limiting the ball bodies are arranged on the valve body and the valve cover.
Further, the limit structure that sets up on the valve gap is the first limit backstop structure that sets up on the inner wall of valve gap is provided with first annular seal groove on first limit backstop install first O type sealing washer and first sealing ring from inside to outside in the first annular seal groove, first sealing ring is sealed with the spheroid after the installation.
Further, the limit structure that sets up on the valve body is the spacing backstop structure of second that sets up on the inner wall of valve body is provided with second annular seal groove on the spacing backstop of second install second O type sealing washer and second sealing ring from inside to outside in the second annular seal groove, the second sealing ring is sealed with the spheroid after the installation.
Further, the adapter sleeve includes the main part, is provided with the valve rod chamber that is used for inserting rotatory cylinder valve rod on main part upper portion, valve rod and valve rod chamber have the tangent plane of splining of mutually supporting, be provided with in the main part lower part be used for with spheroid complex linkage arch be provided with the recess on the spheroid, in the recess was inserted to the linkage arch, the linkage arch is square structure with the recess.
Further, a third annular sealing groove is formed in the outer wall of the connecting sleeve main body, and a third O-shaped sealing ring is installed in the third annular sealing groove.
Further, an annular table is further arranged on the outer wall of the connecting sleeve main body and arranged above the linkage protrusion, and a third sealing ring is arranged above the annular table.
Further, the valve body is integrally processed by engineering plastics.
In summary, the present invention provides a discharge valve for a passenger train, which adopts a ball valve structure and utilizes a rotary cylinder to drive a ball to rotate so as to realize the opening and closing of the valve, and the whole structure design is simple and reliable, and the stagnation can be effectively avoided, thereby improving the usability of the passenger train sanitary system.
Drawings
FIG. 1 is a sectional view of the structure of the drain valve in an open state;
FIG. 2 is a sectional view of the structure of the closed state of the drain valve of the present invention;
fig. 3 is a schematic structural view of the connecting sleeve of the present invention.
As shown in fig. 1 to 3, the valve body 1, the valve cover 2, the ball 3, the revolving cylinder 4, the inlet 5, the outlet 6, the through hole 7, the connecting sleeve 8, the valve rod 9, the first limit stopper 10, the first annular seal groove 11, the first O-ring 12, the first seal ring 13, the second limit stopper 14, the second annular seal groove 15, the second O-ring 16, the second seal ring 17, the valve rod cavity 18, the rotation stopping section 19, the linkage protrusion 20, the groove 21, the third O-ring 22, the mounting groove 23, the annular table 24, the third seal ring 25, and the third limit stopper 26.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1 and 2, the utility model provides a pair of passenger train is with blow-off valve, including valve body 1, valve gap 2, spheroid 3 and revolving cylinder 4, be provided with valved import 5 on the valve body, correspond on valve gap 2 and be provided with valved export 6. The spheroid 3 is installed in valve body 1, and spheroid 3 has through-hole 7, and spheroid 3 is connected with revolving cylinder 4's valve rod 9 through adapter sleeve 8, drives the spheroid 3 rotatory break-make between realization import 5 and the export 6 through revolving cylinder 4. The valve body 1 is integrally processed by engineering plastics, so that the weight of the valve body is favorably reduced, and the action of the drain valve is not influenced under the condition that the installation deviation of the inlet 5 and the outlet 6 is large in the installation process. The inlet 5 and the outlet 6 are respectively connected with a sewage inlet pipe and a sewage discharge pipe, and the inlet 5 and the outlet 6 can be connected with the pipeline through wires or can be connected in other modes, such as a mode of adopting a transition hose.
Wherein, valve gap 2 installs on valve body 1 through threaded connection's mode, is provided with the limit structure who is used for restricting spheroid 3 on valve body 1 and valve gap 2, and spheroid 3 is restricted in specific space internal rotation.
The limiting structure that sets up on valve gap 2 is the first spacing backstop 10 structure of setting on the inner wall of valve gap 2, be provided with first annular seal groove 11 on first spacing backstop 10, first annular seal groove 11 extends along the axis direction of valve body 1, from interior to exterior installs first O type sealing washer 12 and first sealing ring 13 in first annular seal groove 11, first sealing ring 13 is sealed with one side of spheroid 3 after the installation, through twice seal structure, effectively guarantee the sealing performance of escape valve.
The limiting structure that sets up on valve body 1 is the spacing backstop 14 structure of second that sets up on the inner wall of valve body 1, is provided with second annular seal groove 15 on the spacing backstop 14 of second, and second annular seal groove 15 extends along the axis direction of valve body 1, installs second O type sealing washer 16 and second sealing ring 17 from inside to outside in second annular seal groove 15, and installation back second sealing ring 17 is close to with the opposite side of spheroid 3, and through twice seal structure equally, effectively guarantee the sealing performance of escape valve.
As shown in fig. 1 to 3, the connection sleeve 8 includes a main body, a valve rod cavity 18 for inserting the valve rod 9 of the rotary cylinder is arranged at the upper part of the main body, the valve rod 9 and the valve rod cavity 18 have rotation stopping tangent planes 19 which are matched with each other, a linkage protrusion 20 for matching with the ball body 3 is arranged at the lower part of the main body, a groove 21 is arranged on the ball body 3, the linkage protrusion 20 and the groove 21 are both square structures, the linkage protrusion 20 is inserted into the groove 21, and the ball body 3 is driven to rotate by the linkage protrusion 20 when the valve rod 9 rotates. Effectively guarantee the life of ball valve.
The valve body 1 is provided with a mounting groove 23, the bottom of the rotary cylinder 4 falls into the mounting groove 23 and is fixed, a through mounting hole (not marked in the figure) is formed in the center of the mounting groove 23, the connecting sleeve 8 is mounted in the mounting hole, and a third limiting stop 26 is arranged in the mounting hole and used for limiting the mounting position of the connecting sleeve 8.
A third annular sealing groove (not marked in the figure) is arranged on the outer wall of the main body of the connecting sleeve 8, a third O-shaped sealing ring 22 is arranged in the third annular sealing groove, and the third O-shaped sealing ring 22 is closely attached to the inner wall of the mounting hole to realize sealing. An annular table 24 is further arranged on the outer wall of the connecting sleeve 8 main body, the annular table 24 is arranged above the linkage protrusion 20, the annular table 24 is clamped at a third limit stop 26, a third sealing ring 25 is arranged above the annular table 24, and the third sealing ring 25 and the third limit stop 26 are pressed and sealed. Through the two seal structures of the third O-shaped seal ring 22 and the third seal ring 25, the effective seal between the connecting sleeve 8 and the valve body 1 is realized.
The drain valve drives the connecting sleeve 8 and the ball body 3 to rotate through the rotation of the rotary cylinder 4, so that the drain valve is opened and closed, and the sewage discharge action is achieved. Not only the overall structure design is simple reliable, can effectively avoid the filth to splash moreover when the valve is opened, and can effectively avoid the jamming, improves railway passenger train health system availability.
As described above, similar technical solutions can be derived from the solutions given in the figures and the embodiments. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.
Claims (9)
1. A drain valve for a railway passenger car is characterized in that: including valve body, valve gap, spheroid and revolving cylinder, correspond on valve body and valve gap and be provided with import and export, the spheroid is installed in the valve body, the spheroid has the through-hole that runs through, the spheroid passes through the adapter sleeve and is connected with revolving cylinder's valve rod, drives the rotatory break-make that realizes between import and the export of spheroid through revolving cylinder.
2. The drain valve for railway passenger cars according to claim 1, characterized in that: the valve cover is installed on the valve body in a threaded connection mode.
3. The drain valve for railway passenger cars according to claim 1, characterized in that: and the valve body and the valve cover are provided with limiting structures for limiting the ball body.
4. A drain valve for a railway passenger car according to claim 3, wherein: the limiting structure arranged on the valve cover is a first limiting stop structure arranged on the inner wall of the valve cover, a first annular sealing groove is formed in the first limiting stop structure, a first O-shaped sealing ring and a first sealing ring are arranged in the first annular sealing groove from inside to outside, and the first sealing ring is attached to the ball body closely after installation.
5. A drain valve for a railway passenger car according to claim 3, wherein: the limiting structure arranged on the valve body is a second limiting stop structure arranged on the inner wall of the valve body, a second annular sealing groove is arranged on the second limiting stop, a second O-shaped sealing ring and a second sealing ring are arranged in the second annular sealing groove from inside to outside, and the second sealing ring is attached to the ball body closely after installation.
6. The drain valve for railway passenger cars according to claim 1, characterized in that: the connecting sleeve comprises a main body, a valve rod cavity used for inserting a valve rod of the rotary air cylinder is arranged on the upper portion of the main body, the valve rod and the valve rod cavity are provided with rotation stopping tangent planes matched with each other, a linkage protrusion matched with a ball body is arranged on the lower portion of the main body, a groove is formed in the ball body, the linkage protrusion is inserted into the groove, and the linkage protrusion and the groove are both square structures.
7. The drain valve for a railway passenger car according to claim 6, wherein: and a third annular sealing groove is formed in the outer wall of the connecting sleeve main body, and a third O-shaped sealing ring is installed in the third annular sealing groove.
8. The drain valve for railway passenger cars according to claim 7, characterized in that: the outer wall of the connecting sleeve main body is further provided with an annular table, the annular table is arranged above the linkage protrusion, and a third sealing ring is arranged above the annular table.
9. The drain valve for railway passenger cars according to claim 1, characterized in that: the valve body is integrally processed by engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921731143.4U CN211315190U (en) | 2019-10-16 | 2019-10-16 | Drain valve for railway passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921731143.4U CN211315190U (en) | 2019-10-16 | 2019-10-16 | Drain valve for railway passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211315190U true CN211315190U (en) | 2020-08-21 |
Family
ID=72080026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921731143.4U Active CN211315190U (en) | 2019-10-16 | 2019-10-16 | Drain valve for railway passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211315190U (en) |
-
2019
- 2019-10-16 CN CN201921731143.4U patent/CN211315190U/en active Active
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