CN203823165U - Vacuum relief valve for loading and unloading oil tank truck - Google Patents
Vacuum relief valve for loading and unloading oil tank truck Download PDFInfo
- Publication number
- CN203823165U CN203823165U CN201420241174.2U CN201420241174U CN203823165U CN 203823165 U CN203823165 U CN 203823165U CN 201420241174 U CN201420241174 U CN 201420241174U CN 203823165 U CN203823165 U CN 203823165U
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- CN
- China
- Prior art keywords
- valve body
- balance
- edge
- gland
- flap
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
A vacuum relief valve for loading and unloading an oil tank truck comprises a valve body. A cover body is arranged at the top of the valve body. An air supply hole is formed in the center of the cover body. A valve clack is arranged in the valve body. A guide frame is arranged in the valve body. A connecting rod is arranged on the center portion of the top of the valve clack upwards. A support is arranged on one side of the air supply hole in the cover body. A balance cutter edge is arranged at the top of the support. A balance arm is installed on the balance cutter edge. A notch matched with the balance cutter edge is formed in the balance arm. A balancer is installed at one end of the balance arm and the other end of the balance arm is hinged to the connecting rod through a connecting piece. The valve clack is hinged to the balance arm through the connecting rod, used for sealing the air supply hole and arranged in the valve body. Under the coordination of the balancer, when strong suction force is generated in the process of oil unloading of the oil tank truck, air supply is automatically conducted on the oil tank truck, deformation of the oil tank truck and damage to the valve body are avoided, cost for maintenance is reduced, the overall sealing performance of a device is guaranteed, and environment pollution caused by poisonous gases discharged to the atmosphere is avoided.
Description
Technical field
The utility model relates to a kind of road tanker loading equipment, particularly a kind of road tanker loading vacuum release valve.
Background technique
At present, the existing valve that is arranged on fuel tank tank mouth place all adopts one-way valve, and in the time of RTC unloading, tank car need to bear very large suction, just can open one-way valve tank car is carried out to tonifying Qi, because its work is insensitive, easily cause tank car to deform, tank car valve body is impaired, increase maintenance expenses, meanwhile, toxic gas also can directly be disposed in atmosphere, easily to environment around.
Summary of the invention
The technical problems to be solved in the utility model is for the deficiencies in the prior art, proposes one and is quick on the draw, and prevents fuel tank deformed damaged, can avoid the road tanker loading vacuum release valve of environmental pollution.
The technical problems to be solved in the utility model is achieved through the following technical solutions, a kind of road tanker loading vacuum release valve, be characterized in: comprise valve body, the bottom of valve body is provided with the abutted flange being fixedly connected with fuel tank tank mouth adpting flange, be provided with the suction port communicating with fuel tank tank mouth in the center of abutted flange, top at valve body is provided with lid, have the gas supplementing opening corresponding with suction port in the center of lid, be provided with the flap that sealing gas supplementing opening is used in the inside of valve body, between the internal flap of valve body and valve body, be provided with leading truck, top and the lid of leading truck are fixedly connected, bottom centre at flap locates to having guide rod, be provided with the pilot hole passing through with guide rod in the bottom of leading truck, top center place at flap is upwards provided with the connecting rod that stretches out gas supplementing opening, on lid, a side of gas supplementing opening is provided with support, the top of support is provided with the balance edge of a knife, at balance knife-edge part, balance arm is installed, balance arm is provided with the notch coordinating with the balance edge of a knife, one end of described balance arm is provided with balace weight, the other end of balance arm is hinged by connecting sheet and connecting rod.
The technical problems to be solved in the utility model can also be come further to realize by the following technical programs, described lid comprises the gland that is arranged on valve body top, O RunddichtringO is installed between gland and valve body, top at gland is provided with end cap, the surrounding of end cap is fixedly connected by screw rod and abutted flange, on the interior edge of end cap to having a circle seam boss, on gland, be provided with the positioned edge coordinating with seam boss, between the upper surface of gland positioned edge and the bottom of end cap seam boss, primary seal circle is installed, the top of described flap is provided with the sealing edge coordinating with the lower surface of gland positioned edge, inner circle at the inner side of gland positioned edge primary seal circle seals the sealing fin along fitted seal to having a circle and flap.
The technical problems to be solved in the utility model can also be come further to realize by the following technical programs, and described support is fixedly mounted on the top of end cap.
The technical problems to be solved in the utility model can also be come further to realize by the following technical programs, described leading truck is made up of four equally distributed directional posts, top and the end cap of directional post are fixedly connected, between the bottom of any symmetrically arranged two directional posts, be provided with horizontal connecting plate, described pilot hole is arranged on the center of horizontal connecting plate.
Compared with prior art, the utility model by be arranged on flap that valve inner sealing gas supplementing opening uses used connecting rod and balance arm hinged, under the cooperation of balace weight, again when the suction of the long-living brute force of RTC unloading, automatically fuel tank is carried out to tonifying Qi, avoid the impaired of the distortion of fuel tank and valve body, reduced the expense of safeguarding; Utilization is arranged on the sealing edge at flap top and is arranged on the sealing fin of the inner circle of primary seal circle, has ensured the overall sealing performance of equipment, has avoided toxic gas to be disposed to pollution of atmosphere environment.The utility model work is sensitive, easy for installation, can automatically realize the sealing action after tonifying Qi and the tonifying Qi to fuel tank, without manual operation, has reduced staff's labor intensity, has improved working efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of road tanker loading vacuum release valve, comprise valve body 1, the bottom of valve body 1 is provided with the abutted flange 4 being fixedly connected with fuel tank tank mouth adpting flange, be provided with the suction port communicating with fuel tank tank mouth in the center of abutted flange 4, top at valve body is provided with lid, have the gas supplementing opening corresponding with suction port in the center of lid, be provided with the flap 2 that sealing gas supplementing opening is used in the inside of valve body, between the internal flap 2 of valve body 1 and valve body 1, be provided with leading truck 3, top and the lid of leading truck 3 are fixedly connected, bottom centre at flap 2 locates to having guide rod 5, be provided with the pilot hole passing through with guide rod 5 in the bottom of leading truck 3, upwards be provided with the connecting rod 13 that stretches out gas supplementing opening at the top center place of flap 2, on lid, a side of gas supplementing opening is provided with support 9, the top of support 9 is provided with the balance edge of a knife, at balance knife-edge part, balance arm 11 is installed, balance arm 11 is provided with the notch coordinating with the balance edge of a knife, one end of described balance arm 11 is provided with balace weight 10, the other end of balance arm 11 is hinged by connecting sheet 12 and connecting rod 13.Described balace weight 10 is arranged on the outer end of balance arm 11, and the top of the inner of balance arm 11 and connecting sheet 12 is hinged, and the bottom of connecting sheet 12 is hinged with the top of connecting rod 13 again.When producing negative pressure in fuel tank tank body, will produce downward suction to flap 2, open gas supplementing opening tonifying Qi elimination negative pressure is carried out in tank car inside, negative pressure eliminate after by the effect of balace weight, control the flap sealing gas supplementing opening that moves upward, reached the object of automatic control, simultaneously, avoid toxic gas to be disposed to atmosphere, befouling environment.
Described lid comprises the gland 7 that is arranged on valve body 1 top, between gland 7 and valve body 1, O RunddichtringO 15 is installed, at the top of gland 7, end cap 8 is installed, the surrounding of end cap 8 is fixedly connected by screw rod 6 and abutted flange 4, on the interior edge of end cap 8 to having a circle seam boss, on gland 7, be provided with the positioned edge coordinating with seam boss, between the upper surface of gland positioned edge and the bottom of end cap seam boss, primary seal circle 14 is installed, the top of described flap 2 is provided with the sealing edge coordinating with the lower surface of gland positioned edge, inner circle at the inner side of gland positioned edge primary seal circle 14 seals the sealing fin along fitted seal to having a circle and flap, described support 9 is fixedly mounted on the top of end cap 8.After tonifying Qi finishes to fuel tank,, and under primary seal circle sealing fin coordinates with flap sealing edge, complete the sealing after fuel tank tonifying Qi is moved along coordinating with the lower surface of gland positioned edge by sealing.，
Described leading truck 3 is made up of four equally distributed directional posts, the top of directional post and end cap 8 are fixedly connected, between directional post and gland 7, be also provided with directional post sealing, between the bottom of any symmetrically arranged two directional posts, be provided with horizontal connecting plate, described pilot hole is arranged on the center of horizontal connecting plate.Described flap moves up and down along 4 directional post inner sides, makes it rock at fuel tank the phenomenon that Shi Buhui swings, and has ensured the normal tonifying Qi of fuel tank.
Claims (4)
1. a road tanker loading vacuum release valve, it is characterized in that: comprise valve body, the bottom of valve body is provided with the abutted flange being fixedly connected with fuel tank tank mouth adpting flange, be provided with the suction port communicating with fuel tank tank mouth in the center of abutted flange, top at valve body is provided with lid, have the gas supplementing opening corresponding with suction port in the center of lid, be provided with the flap that sealing gas supplementing opening is used in the inside of valve body, between the internal flap of valve body and valve body, be provided with leading truck, top and the lid of leading truck are fixedly connected, bottom centre at flap locates to having guide rod, be provided with the pilot hole passing through with guide rod in the bottom of leading truck, top center place at flap is upwards provided with the connecting rod that stretches out gas supplementing opening, on lid, a side of gas supplementing opening is provided with support, the top of support is provided with the balance edge of a knife, at balance knife-edge part, balance arm is installed, balance arm is provided with the notch coordinating with the balance edge of a knife, one end of described balance arm is provided with balace weight, the other end of balance arm is hinged by connecting sheet and connecting rod.
2. road tanker loading vacuum release valve according to claim 1, it is characterized in that: described lid comprises the gland that is arranged on valve body top, O RunddichtringO is installed between gland and valve body, top at gland is provided with end cap, the surrounding of end cap is fixedly connected by screw rod and abutted flange, on the interior edge of end cap to having a circle seam boss, on gland, be provided with the positioned edge coordinating with seam boss, between the upper surface of gland positioned edge and the bottom of end cap seam boss, primary seal circle is installed, the top of described flap is provided with the sealing edge coordinating with the lower surface of gland positioned edge, inner circle at the inner side of gland positioned edge primary seal circle seals the sealing fin along fitted seal to having a circle and flap.
3. road tanker loading vacuum release valve according to claim 2, is characterized in that: described support is fixedly mounted on the top of end cap.
4. road tanker loading vacuum release valve according to claim 2, it is characterized in that: described leading truck is made up of four equally distributed directional posts, top and the end cap of directional post are fixedly connected, between the bottom of any symmetrically arranged two directional posts, be provided with horizontal connecting plate, described pilot hole is arranged on the center of horizontal connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241174.2U CN203823165U (en) | 2014-05-13 | 2014-05-13 | Vacuum relief valve for loading and unloading oil tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241174.2U CN203823165U (en) | 2014-05-13 | 2014-05-13 | Vacuum relief valve for loading and unloading oil tank truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203823165U true CN203823165U (en) | 2014-09-10 |
Family
ID=51478669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420241174.2U Withdrawn - After Issue CN203823165U (en) | 2014-05-13 | 2014-05-13 | Vacuum relief valve for loading and unloading oil tank truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203823165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953764A (en) * | 2014-05-13 | 2014-07-30 | 连云港帅宝机械有限公司 | Vacuum relief valve for loading and unloading of oil tank truck |
-
2014
- 2014-05-13 CN CN201420241174.2U patent/CN203823165U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953764A (en) * | 2014-05-13 | 2014-07-30 | 连云港帅宝机械有限公司 | Vacuum relief valve for loading and unloading of oil tank truck |
| CN103953764B (en) * | 2014-05-13 | 2016-05-25 | 连云港帅宝机械有限公司 | Road tanker loading vacuum release 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 |
Granted publication date: 20140910 Effective date of abandoning: 20160525 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |