CN211976012U - Cross-country anti-overflow breather valve's structure - Google Patents
Cross-country anti-overflow breather valve's structure Download PDFInfo
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- CN211976012U CN211976012U CN202020626716.3U CN202020626716U CN211976012U CN 211976012 U CN211976012 U CN 211976012U CN 202020626716 U CN202020626716 U CN 202020626716U CN 211976012 U CN211976012 U CN 211976012U
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- breather valve
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Abstract
The utility model discloses a structure of a cross-country overflow-proof breather valve, which comprises a hollow breather valve body, wherein the top of the breather valve body is connected with the bottom of a rain cover, a filter screen is arranged at the bottom of the rain cover in the breather valve body, and an exhaust spring is sleeved in the filter screen; the bottom of the breathing valve body is connected with a hollow main valve guide frame through an exhaust special-shaped sealing ring, an air suction device is arranged on the main valve guide frame, and the top of the air suction device is sleeved in an exhaust spring in a penetrating way; the bottom of the breather valve body is connected with the top of a hollow slide block seat with a brim through a slide block sealing gasket, a slidable slide block is arranged in the slide block seat, and the bottom of the brim of the slide block seat with the brim is sealed at the top of the hollow anti-overflow seat through a flower-shaped sealing gasket; the bottom of the hollow anti-overflow seat is connected with the top of the floating ball base through an aluminum spacer, and the bottom of the hollow anti-overflow seat is hermetically connected with the top opening of the floating ball base through a floating ball sealing gasket; the floating ball device is arranged in the floating ball base and is arranged at the bottom of the floating ball base.
Description
Technical Field
The utility model relates to an anti-overflow breather valve technical field especially relates to a structure of cross-country anti-overflow breather valve.
Background
The breather valve is required to be designed and installed to ensure the pressure balance in the tank due to the pressure change in the tank truck of the traditional tank truck, the existing breather valve is specified by the standard, but the standard only specifies the ventilation requirements of the positive pressure and negative pressure opening pressure of the breather valve, and the oil leaks from the breather valve due to the excessive oil fluctuation in the road transportation process of the tank truck, so that the design of the tank truck can only install the breather valve at the middle position of the oil tank, the oil leakage from the breather valve when the oil fluctuation is reduced, but the oil leakage of the tank truck on special off-road roads is more serious.
In summary, the conventional tank truck has the following disadvantages due to the breather valve on the tank truck:
1) easily causing the leakage of oil products;
2) the leakage of oil products has hidden installation troubles;
3) the leakage of oil products causes environmental pollution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a structure of cross-country anti-overflow breather valve that anti-overflow type can prevent oil leakage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a structure of a cross-country overflow-proof breather valve comprises a hollow breather valve body, wherein the top of the breather valve body is connected with the bottom of a rain cover, a filter screen is arranged at the bottom of the rain cover in the breather valve body, and an exhaust spring is sleeved in the filter screen in a penetrating manner; the bottom of the breathing valve body is connected with a hollow main valve guide frame through an exhaust special-shaped sealing ring, an air suction device is arranged on the main valve guide frame, and the top of the air suction device is sleeved in an exhaust spring in a penetrating manner;
the bottom of the breathing valve body is connected with the top of a hollow slide block seat with a brim through a slide block sealing gasket, a slidable slide block is arranged in the slide block seat, and the bottom of the brim of the slide block seat with the brim is sealed at the top of the hollow anti-overflow seat through a flower-shaped sealing gasket;
the bottom of the hollow anti-overflow seat is connected with the top of the floating ball base through an aluminum spacer, the top of the floating ball base is provided with an opening, and the bottom of the floating ball base is provided with an eccentric vent hole; the bottom of the hollow anti-overflow seat is connected with the top opening of the floating ball base in a sealing way through a floating ball sealing gasket; the floating ball device is arranged in the floating ball base, and the floating ball device is arranged at the bottom of the floating ball base through a circlip for a hole.
Preferably, the floating ball device comprises a floating ball, and the bottom of the floating ball is supported on the elastic retaining ring for the hole through the floating ball with the concave structure.
Preferably, the bottom of the floating ball is provided with a vertical reset core piece in an inverted triangle structure.
Preferably, the air suction device comprises an air suction core rod, an air suction spring is sleeved outside the air suction core rod, a first hexagon nut connected with the air suction core rod through threads is arranged at the top of the air suction spring, and the bottom of the air suction core rod penetrates through the main valve, the air suction small gasket, the air suction special-shaped gasket and the air suction large gasket in sequence and then is in locking connection with a second hexagon nut; the top of the air suction core rod penetrates through the exhaust spring, and the bottom of the air suction core rod penetrates through the hollow main valve guide frame.
Preferably, the top of the breathing valve body is connected with the rain cover through an inner hexagonal countersunk head screw.
Preferably, the bottom of the breather valve body is fixedly connected with the top of the sliding block seat through a hexagon socket head cap end set screw.
Preferably, the top of the anti-overflow seat is fixedly connected with the bottom of the breather valve body through an inner hexagonal socket head cap screw.
Preferably, the bottom of the floating ball base is provided with an embossing pin shaft in a penetrating mode.
Preferably, the bottom of the anti-overflow seat is provided with a cork gasket, and the anti-overflow seat is fixedly arranged on a support above an oil product through a self-centering combined gasket and an outer hexagon bolt.
The utility model discloses a floater that can suspend supports through the floater and leans on the sealed problem that prevents that the oil from spilling over through the breather valve when rocking, through the floater, the utility model discloses safety, effectively prevent that the oil leaks, environmental protection outward.
Drawings
Fig. 1 is a schematic structural diagram of a structure of a cross-country anti-overflow breather valve provided by the present invention;
FIG. 2 is an exploded view of the structure of a cross-country overflow-proof breather valve according to the present invention;
fig. 3 is a schematic cross-sectional structural view of a floating ball in a structure of a cross-country anti-overflow breather valve according to the present invention in a normal state;
fig. 4 is a schematic cross-sectional structural view of a floating ball in a structure of a cross-country anti-overflow breather valve according to the present invention in a suspended state;
FIG. 5 is an enlarged sectional view of the floating ball in the structure of the cross-country anti-overflow breather valve according to the present invention;
FIG. 6 is a schematic diagram of a cross-country spill-proof breather valve structurally installed in an oil tank and having a normal internal pressure range;
FIG. 7 is a schematic diagram of a cross-country spill-proof breather valve structurally installed in an oil tank and generating a large pressure in the oil tank;
FIG. 8 is a schematic view of a cross-country spill-proof breather valve structurally installed in an oil tank and generating a large negative pressure in the tank;
FIG. 9 is a schematic view of a cross-country overflow-proof breather valve structurally installed on an oil tank and a float ball suspended to achieve a sealed state when the tank body is inclined at 45 degrees;
fig. 10 is a schematic diagram of the structural installation of the cross-country anti-overflow breather valve provided by the present invention, wherein the slider is in a sealing state when the tank body is inclined by 90 degrees.
Reference numbers in the figures:
1. inner hexagon countersunk head screws; 2. a rain cover; 3. a filter screen; 4. an exhaust spring; 5. a hexagonal nut; 6. an intake spring; 7. a suction core bar; 8. a main valve; 9. a getter shim; 10. a suction profile pad; 11. a big air suction gasket; 12. a hexagonal nut; 13. a main valve guide frame; 14. exhausting the special-shaped seal ring; 15. a breather valve body; 16. a slider gasket; 17. a slider; 18. a slider seat; 19. a set screw is fastened at the inner hexagonal cone end; 20. a flower-shaped gasket; 21. an outer hexagonal bolt; 22. a self-centering composite shim; 23. an anti-overflow connecting base; 24. a socket head cap screw; 25. an aluminum spacer; 26. a floating ball; 27. a set screw is fastened at the inner hexagonal cone end; 28. a floating ball base; 29. a floating ball support; 30. a circlip for a hole; 31. embossing the pin shaft; 32. a cork gasket; 33. a vertical heavy core member; 34. the floater is sealed to be filled up.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1 to 5, for the structure of the cross-country overflow-preventing breather valve provided by the present invention, the structure comprises a hollow breather valve body 15, a hexagonal countersunk head screw 1 in the top of the breather valve body 15 is fastened and connected to the bottom of a rain cover 2, a filter screen 3 is installed at the bottom of the rain cover 2 in the breather valve body 15, and an exhaust spring 4 is sleeved in the filter screen 3; the bottom of the breathing valve body 15 is provided with a hollow main valve guide frame 13 through a hollow exhaust special-shaped seal ring 14, the main valve guide frame 13 is provided with an air suction device, the air suction device comprises an air suction core rod 7, an air suction spring 6 is sleeved outside the air suction core rod 7, the top of the air suction spring 6 is provided with a first hexagon nut 5 connected with the air suction core rod 7 through threads, and the bottom of the air suction core rod 7 is connected with a second hexagon nut 12 in a locking manner after sequentially penetrating through a main valve 8, an air suction small gasket 9, an air suction special-shaped gasket 10 and an air suction large gasket 11; the top of the air suction core rod 7 is arranged in the exhaust spring 4 in a penetrating way, and the bottom of the air suction core rod 7 is arranged in the hollow main valve guide frame 13 in a penetrating way;
the bottom of the breathing valve body 15 is connected with the top of a hollow slide block seat 18 with a rim through a hollow slide block sealing gasket 16, and the bottom of the breathing valve body 15 is fixedly connected with the top of the slide block seat 18 through an inner hexagonal conical end set screw 19;
a slidable sliding block 17 is arranged in the sliding block seat 18, and the bottom of the edge of the sliding block seat 18 with the edge is hermetically arranged at the top of a hollow anti-overflow seat 23 through a flower-shaped sealing gasket 20;
the bottom of the hollow anti-overflow seat 23 is connected with the top of a floating ball base 28 through an aluminum spacer 25, and the top of the anti-overflow seat 23 is fixedly connected with the bottom of the breather valve body 15 through an inner hexagonal socket head cap screw 24;
the top of the floating ball base 28 is provided with an opening, and the bottom of the floating ball base 28 is provided with an eccentric vent hole; the bottom of the hollow anti-overflow seat 23 is hermetically connected with the top opening of the floating ball base 28 through a floating ball sealing gasket 34; a floating ball device is arranged in the floating ball base 28, and is arranged at the bottom of the floating ball base 28 through a circlip 30 for a hole; the bottom of the floating ball base 28 is provided with an embossing pin shaft 31 in a penetrating way.
The floating ball device comprises a floating ball 26, and the bottom of the floating ball 26 is provided with a vertical reset core piece 33 with an inverted triangle structure; the bottom of the floating ball 26 is arranged on a circlip 30 for the hole through a floating ball support 29 with a concave structure.
The utility model discloses a bottom at anti-overflow seat 23 is equipped with cork gasket 32, anti-overflow seat 23 is through from the fixed setting on the support of oil top of centering combination gasket 22 and outer hex bolts 21.
As shown in fig. 6 to 10, the working principle of the present invention is as follows:
as shown in fig. 6, in order to install the present invention on the tank body, the present invention belongs to the initial state or the oil in the tank body is not fluctuated, at this time, the oil is not contacted, the pressure in the tank body is in the normal range;
as shown in fig. 7 and 8, but the oil in the tank body shaking tank body does not fluctuate, at this time, the breather valve of the present invention is not in contact with the oil or has transient contact;
when pressure is generated in the tank body, the pressure is discharged out of the tank body through the breather valve provided by the utility model according to an arrow A shown in figure 7, so that the pressure in the tank body tends to be in a normal range;
when negative pressure is generated in the tank body, the negative pressure is discharged into the tank body through the breather valve provided by the utility model according to an arrow B shown in figure 8, so that the pressure in the tank body tends to be in a normal range;
as shown in fig. 9, when the oil in the tank body shakes to reach within 45 degrees, the breather valve of the present invention contacts with the oil, and the oil overflows into the floating ball base 28 at the bottom layer of the breather valve, and the floating ball 26 is suspended and supported on the floating ball sealing pad 34, so as to prevent the oil from overflowing;
as shown in FIG. 10, when the tank body rocks and turns over to 90 degrees, the breather valve of the present invention contacts with the oil, but the floating ball 26 is completely suspended, the center of gravity of the sliding block 17 shifts, the top of the sliding block 17 is pressed against the sliding block sealing gasket 16, and the purpose of preventing the oil from overflowing is achieved.
The utility model discloses a floater that can suspend supports through the floater and leans on the sealed problem that prevents that the oil from spilling over through the breather valve when rocking, through the floater, the utility model discloses safety, effectively prevent that the oil leaks, environmental protection outward.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. The structure of the cross-country overflow-preventing breather valve comprises a hollow breather valve body (15), and is characterized in that the top of the breather valve body (15) is connected with the bottom of a rain cover (2), a filter screen (3) is installed at the bottom of the rain cover (2) in the breather valve body (15), and an exhaust spring (4) is sleeved in the filter screen (3) in a penetrating manner; the bottom of the breathing valve body (15) is connected with a hollow main valve guide frame (13) through an exhaust special-shaped sealing ring (14), an air suction device is installed on the main valve guide frame (13), and the top of the air suction device is sleeved in an exhaust spring (4) in a penetrating manner;
the bottom of the breathing valve body (15) is connected with the top of a hollow slide block seat (18) with a rim through a slide block sealing gasket (16), a slidable slide block (17) is arranged in the slide block seat (18), and the bottom of the rim of the slide block seat (18) with the rim is sealed at the top of a hollow anti-overflow seat (23) through a flower-shaped sealing gasket (20);
the bottom of the hollow anti-overflow seat (23) is connected with the top of a floating ball base (28) through an aluminum spacer (25), the top of the floating ball base (28) is provided with an opening, and the bottom of the floating ball base (28) is provided with an eccentric vent hole; the bottom of the hollow anti-overflow seat (23) is hermetically connected with the top opening of the floating ball base (28) through a floating ball sealing gasket (34); the floating ball device is arranged in the floating ball base (28), and the floating ball device is arranged at the bottom of the floating ball base (28) through a circlip (30) for a hole.
2. A structure of a cross-country spill-proof breather valve according to claim 1, characterized in that the float ball device comprises a float ball (26), and the bottom of the float ball (26) is arranged on the circlip (30) for the hole through a float ball holder (29) with a concave structure.
3. A structure of a cross-country spill-proof breather valve according to claim 2, characterised in that the bottom of the floating ball (26) is provided with an inverted triangular shaped vertical centring member (33).
4. A structure of a cross-country spill-proof breather valve according to claim 1, wherein the air suction device comprises an air suction core rod (7), an air suction spring (6) is sleeved outside the air suction core rod (7), a first hexagon nut (5) connected with the air suction core rod (7) through a thread is arranged at the top of the air suction spring (6), and the bottom of the air suction core rod (7) sequentially penetrates through a main valve (8), a small air suction gasket (9), an air suction special-shaped gasket (10) and a large air suction gasket (11) and then is locked and connected with a second hexagon nut (12); the top of the air suction core rod (7) penetrates through the exhaust spring (4), and the bottom of the air suction core rod (7) penetrates through the hollow main valve guide frame (13).
5. A structure of a cross-country spill-proof breather valve according to claim 1, characterized in that the top of the breather valve body (15) is connected with the rain cover (2) through a hexagon socket countersunk head screw (1).
6. A structure of a cross-country spill-proof breather valve according to claim 1, characterized in that the bottom of the breather valve body (15) is tightly connected with the top of the slider seat (18) by a hexagon socket head cap set screw (19).
7. A structure of a cross-country spill-proof breather valve according to claim 1, characterized in that the top of the spill-proof seat (23) is fixedly connected with the bottom of the breather valve body (15) by means of hexagon socket head cap screws (24).
8. A structure of a cross-country spill-proof breather valve according to claim 1, characterized in that the bottom of the floating ball base (28) is provided with an embossing pin shaft (31) in a penetrating way.
9. A cross-country spill-proof breather valve structure according to claim 1, characterized in that a cork gasket (32) is arranged at the bottom of the spill-proof seat (23), and the spill-proof seat (23) is fixedly arranged on a bracket above oil through a self-centering combined gasket (22) and an outer hexagon bolt (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020626716.3U CN211976012U (en) | 2020-04-23 | 2020-04-23 | Cross-country anti-overflow breather valve's structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020626716.3U CN211976012U (en) | 2020-04-23 | 2020-04-23 | Cross-country anti-overflow breather valve's structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211976012U true CN211976012U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020626716.3U Active CN211976012U (en) | 2020-04-23 | 2020-04-23 | Cross-country anti-overflow breather valve's structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211976012U (en) |
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2020
- 2020-04-23 CN CN202020626716.3U patent/CN211976012U/en active Active
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