CN201858048U - Double-ball type anti-tilting valve - Google Patents
Double-ball type anti-tilting valve Download PDFInfo
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- CN201858048U CN201858048U CN201020541836XU CN201020541836U CN201858048U CN 201858048 U CN201858048 U CN 201858048U CN 201020541836X U CN201020541836X U CN 201020541836XU CN 201020541836 U CN201020541836 U CN 201020541836U CN 201858048 U CN201858048 U CN 201858048U
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- roll valve
- double
- seal ring
- fuel
- top board
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Abstract
The utility model discloses a double-ball type anti-tilting valve. The double-ball type anti-tilting valve is characterized by comprising a top plate and a bottom plate structure, wherein the top plate adopts a surface plate, and the bottom plate structure comprises a bottom composed of two oppositely arranged inclined planes, and adopts an inverted V-shaped structure with a high middle and two low ends; a sealing ring is vertically and fixedly arranged in the highest position in the middle at the inverted V-shaped bottom, positioned between the top plate and the bottom plate structure and propped against the top plate and the bottom plate structure; a stop lever is vertically and fixedly arranged on the corresponding inclined plane on the left side of the sealing ring, a front rolling ball is placed on the corresponding inclined plane between the stop lever and the sealing ring, and a rear rolling ball is placed on the corresponding inclined plane on the right side of the sealing ring; and a breather hole is formed at the rear end of the anti-tilting valve and adjacent to the top plate. The double-ball type anti-tilting valve has the advantages of simple structure, low cost and reliable work.
Description
Technical field
The utility model belongs to the technology of using on the fuel combustion vehicle, relates in particular to a kind of double-ball anti-roll valve.
Background technique
At present, the fuel steam acquisition system of motorcycle mostly comprises fuel tank, the fuel-steam collection tube, adsorption tube and canister, the corrosion resistant metal material of the general employing of fuel-steam collection tube, be made of such as copper, its front end is fixed on the top in the fuel tank, as shown in Figure 1, thereby fuel-steam collection tube 2 is fixed in the fuel tank by the top that its front end is welded in fuel tank 1, the front end of described collection tube 2 is fuel-steam acquisition port, because of its close fuel tank roof, when the motorcycle proper functioning, can be positioned at all the time more than the fuel level, the lower end of fuel-steam collection tube 2 is passed the casing of fuel tank 1 and is connected with the suction port that is arranged on fuel tank anti-roll valve 3 outward, anti-roll valve 3 is arranged on the outer bottom side of fuel tank, and the rear end of anti-roll valve 3 is connected with canister by adsorption tube, and adsorption tube generally is a rubber pipe.The fuel-steam acquisition port is more than fuel level, be used to gather the fuel-steam of vaporization in the fuel tank, fuel-steam enters canister 7 through collection tube 2, anti-roll valve 3 and adsorption tube successively, utilize by entering in the motor 8 after canister 7 absorption, prevented that like this fuel oil volatilization from causing environmental pollution, saved fuel oil again.
Though the fuel-steam in the fuel tank enters canister after gathering, utilize by entering in the motor after the canister absorption, reached certain oil-saving effect, but still have following deficiency: traditional anti-roll valve is owing to be arranged on the fuel tank outside, when having only body of motor cycle to topple over fully, just can play the anti-dumping effect, and because valve body generally is that plastics are made easy damage.In the motorcycle inclination or the situation that road conditions are jolted when travelling when taking place, the tilted acquisition port of ambassador's fuel-steam collection tube of fuel tank is submerged in the fuel oil, cause the fuel oil in the fuel tank directly to enter the fuel-steam collection tube, after motorcycle resets, enter that fuel oil in the fuel-steam collection tube can enter anti-roll valve and the air flue by wherein flows into canister at last, after the canister fuel oil absorption supersaturation not only temperature rise sharply, had a strong impact on its working life, and the adsorption function of its fuel-steam was lost efficacy, fuel oil also can be by the outside leakage of oil of vent that is provided with in the canister bottom, the part fuel oil may be trapped in and cause pipeline blockage in the acquisition system simultaneously, makes the forfeiture of fuel-steam collecting function.
Summary of the invention
The purpose of this utility model provides a kind of double-ball anti-roll valve, can prevent that fuel oil from flowing into the steam collection tube, stop up gas circuit, making the double-ball anti-roll valve of fuel leakage, guarantees the normal service behaviour of acquisition system, saves fuel oil, reduces and pollutes.
For achieving the above object, the utility model provides a kind of double-ball anti-roll valve, its key is: a kind of double-ball anti-roll valve, it is characterized in that: described double-ball anti-roll valve (3) comprises a top board and a bottom plate structure, described top board is a surface plate, described bottom plate structure is made of two skewbacks, and is high in the middle of being, " V " shape that two ends are low; Middle highest point in described " V " shape bottom vertically is installed with a seal ring (4) between top board and bottom plate structure, and is connected with described base plate with described top board respectively; Left side at described seal ring, on the skewback of correspondence, be installed with a pin perpendicular to top board, spin is placed on the described skewback corresponding between described pin and the described seal ring before one, one afterwards spin be placed on the inclined surface plate on described seal ring right side; The diameter of described forward and backward spin is greater than the internal diameter of described seal ring but less than the external diameter of described seal ring; Rear end in anti-roll valve offers an air hole near the top board place, and anti-roll valve communicates with the fuel-steam collection tube by described air hole.
When in motorcycle fuel steam acquisition system, using described anti-roll valve, anti-roll valve is arranged in the fuel tank, and be fixed on the top of fuel tank, the front end of described anti-roll valve is a suction port, the front end of the aft bulkhead of described anti-roll valve and fuel-steam collection tube is affixed, and the steam acquisition port of collection tube front end communicates with the aft bulkhead air hole.When fuel tank was filled it up with oil, fuel tank top can be left part did not all the time have oily space, and anti-roll valve is in this not to be had in the oily space.When motorcycle is toppled over, even anti-roll valve has been submerged in the fuel oil, though this moment, the suction port of anti-roll valve front end also was submerged in the fuel oil, fuel oil also can't enter the fuel oil collection tube, because, along with motorcycle is poured into certain angle, spin can in time be left the lowest part of " V " shape bottom in the bottom plate structure, along the inclined-plane rolling and on the seal ring in the middle of finally being expressed to, if preceding spin is expressed on the seal ring, then both cooperate the formation oil seal, prevent to enter collection tube from the fuel oil that the anti-roll valve suction port pours in by air flue; If the back spin is expressed to and also plays same effect on the seal ring,, depend on the direction that motorcycle is toppled over so can be expressed on the seal ring in action to which spin.After motorcycle resetted, spin was also along with on the extreme lower position that falls back to down " V " shape bottom, for fuel-steam has been reserved air flue.
Anti-roll valve communicates near the air hole of top board and the acquisition port of collection tube by its rear end, be characterized in: the air hole design is in the top of anti-roll valve valve body, with the described bottom of anti-roll valve enough drops are arranged, so, anti-roll valve can in time be closed air flue when vehicle is toppled over, stopped the possibility that fuel oil enters collection tube, got rid of the outwards danger of leakage of oil after the canister supersaturation, make fuel steam acquisition system under the prerequisite that does not influence engine performance, bring into play energy-conservation effect, also make the work of fuel tank safety and reliability.
Moreover, the acquisition port of collection tube is connected with anti-roll valve, and anti-roll valve is fixed on the fuel tank top, thereby strengthened the position stability of collection tube in fuel tank, avoided having only collection tube in the background technique in the fuel tank, collection tube is managed the very thin bad defective that also comes off from fuel tank owing to vibrate easily on the inner wall of oil tank that is weldingly fixed on because of being that metal is made.
For conveniently being fixed on the fuel tank top, but outer cover of anti-roll valve peripheral hardware, and the shape of this outer cover and fuel tank top shape are complementary.More excellent scheme is that outer cover is the full-metallic manufacturing, is convenient to directly be welded in the fuel tank, and the oil resistant corrosion, and simple in structure, be easy to manufacturing.
Described forward and backward spin is for annotating the leaded steel ball.
Constituting two inclined-planes of " V " shape structure and the angle of horizontal plane in the described anti-roll valve valve body bottom plate structure is respectively 8 °～40 °.
The rolling stroke of described forward and backward spin is respectively 3～8mm.
If the rolling stroke is excessive, increased the volume of anti-roll valve valve body on the one hand, increased the cost of making anti-roll valve; When body of motor cycle generation canting, can cause the spin delay of response to prolong rolling time on the other hand, increase the possibility that multiple fuel more enters the anti-roll valve valve body; If stroke is too small, when canting did not take place, motorcycle vibration under steam all might cause anti-roll valve too responsive, had influenced the effect of collection tube absorption fuel-steam.
Remarkable result of the present utility model is: provide a kind of simple in structure, with low cost, can prevent that fuel oil from flowing into the steam collection tube, stop up gas circuit, making the double-ball anti-roll valve of fuel leakage, guarantee the normal service behaviour of acquisition system, saved fuel oil, reduced pollution.
Description of drawings
Fig. 1 is the structural representation of motorcycle fuel steam acquisition system in the background technique;
Fig. 2 is the structural representation that has adopted motorcycle fuel steam acquisition system of the present utility model;
Fig. 3 is the plan view of Fig. 2;
Fig. 4 is a structural representation of the present utility model.
Fig. 5 is a user mode structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, a kind of double-ball anti-roll valve, comprise fuel tank 1, anti-roll valve 3, fuel-steam collection tube 2 and canister 7, anti-roll valve 3 horizontal arrangement are in fuel tank 1 and be weldingly fixed on the inner roof wall of fuel tank 1, fuel-steam collection tube 2 is weldingly fixed on fuel tank 1 inwall and passes the fuel tank casing and is connected with canister 7, and collection tube 2 is a metal tube; The front end of anti-roll valve 3 is a suction port, and the rear end of anti-roll valve 3 is fixed on the acquisition port of described steam collection tube 2 front ends.Described anti-roll valve 3 comprises a top board and a bottom plate structure, described top board is a surface plate, and described bottom plate structure comprises the bottom that two skewbacks that are oppositely arranged constitute, and is high in the middle of forming, " V " shape structure that two ends are low, the angle of two skewbacks and horizontal plane is respectively 10 °; Middle highest point in described " V " shape bottom is vertically installed with a seal ring 4, and seal ring 4 is fixed between top board and the bottom plate structure by the groove of opening on the top board inwall corresponding position of anti-roll valve; In the left side of described seal ring 4, spin 5 are placed on the skewback corresponding between described pin 9 and the described seal ring 4 before being vertically installed with a pin 9, on the skewback of correspondence, one afterwards spin 6 be placed on the skewback of described seal ring 4 right side correspondences; The diameter of described spin 5,6 is respectively greater than the internal diameter of described seal ring 4 but less than the external diameter of described seal ring 4; Rear end in anti-roll valve offers an air hole a near the top board place, and the diameter of a is 1mm, and anti-roll valve 3 communicates with steam collection tube 2 by air hole a.
For ease of anti-roll valve 3 being welded on the mild inner top of fuel tank, the valve body of anti-roll valve 3 is fixed in the columniform outer cover.
When fuel tank 1 was filled it up with oil, fuel tank 1 top can be left part did not all the time have oily space, and anti-roll valve 3 levels are in this not to be had in the oily space.When fuel tank 1 was filled it up with oil, fuel tank 1 top can be left part did not all the time have oily space, and anti-roll valve 3 levels are in this not to be had in the oily space.When motorcycle is toppled over, even anti-roll valve 3 has been submerged in the fuel oil, fuel oil also can't enter the fuel oil collection tube, because along with toppling over of motorcycle, one of them can in time leave the lowest part that falls " V " shape bottom in the bottom plate structure spin 5,6, along the inclined-plane rolling and on the seal ring 4 in the middle of finally being expressed to, if preceding spin 5 is expressed on the seal ring 4, then both cooperate the formation oil seal, prevent to enter collection tube from the fuel oil that the anti-roll valve suction port pours in by air flue; If back spin 6 is expressed to and also plays same effect on the seal ring 4,, depend on the direction that motorcycle is toppled over so can be expressed on the seal ring 4 in action to which spin.After motorcycle resetted, spin 5,6 was also along with on the extreme lower position that falls back to down " V " shape bottom, for fuel-steam has been reserved air flue.
Moreover, the acquisition port of collection tube 2 and anti-roll valve 3 are affixed, and anti-roll valve 3 is weldingly fixed on the roof of fuel tank 1, thereby strengthened the position stability of collection tube 2 in fuel tank, avoided having only collection tube 2 in the background technique in the fuel tank 1, collection tube 2 is managed very thin bad welding defective fixing and that come off from fuel tank 1 owing to vibrate easily because of being that metal is made.
On the roof that conveniently is fixed on fuel tank 1, anti-roll valve valve body peripheral hardware a cylindrical jacket, the shape of this outer cover and fuel tank 1 mild top shape is complementary.Outer cover is the full-metallic manufacturing, the oil resistant corrosion, and simple in structure, be easy to manufacturing.
As Fig. 5, described steel ball 5,6 is respectively 5mm along the rolling stroke L on inclined-plane, bottom.
If the rolling stroke of steel ball 5,6 is excessive, increased the volume of anti-roll valve 3 on the one hand, increased the cost of making anti-roll valve 3, on the other hand, when body of motor cycle generation canting, can cause steel ball 5,6 delay of response to have prolonged rolling time, increase the possibility that multiple fuel more enters anti-roll valve 3; If the rolling stroke is too small, when canting does not take place, motorcycle under steam vibration or slightly canting all might cause anti-roll valve 3 too responsive, influenced the effect of collection tube 2 absorption fuel-steams.
Although above structure is described preferred embodiment of the present utility model in conjunction with the accompanying drawings, but the utility model is not limited to above-mentioned embodiment, above-mentioned embodiment only is schematic rather than determinate, those of ordinary skill in the art is under enlightenment of the present utility model, under the prerequisite of the utility model aim and claim, can make multiple similar expression,, form multi-stage sealed or the like as increasing the quantity of sealing spin and rubber seal.Such conversion all falls within the protection domain of the present utility model.
Claims (6)
1. double-ball anti-roll valve, it is characterized in that: described double-ball anti-roll valve (3) comprises a top board and a bottom plate structure, and described top board is a surface plate, and described bottom plate structure is made of two skewbacks, and is high in the middle of being, two ends are low falls " V " shape; Middle highest point in described " V " shape bottom vertically is installed with a seal ring (4) between top board and bottom plate structure, and is connected with described base plate with described top board respectively; Left side in described seal ring (4), on the skewback of correspondence, be installed with a pin (9) perpendicular to top board, spin (5) is placed on the described skewback corresponding between described pin (9) and the described seal ring (4) before one, one afterwards spin (6) be placed on the inclined surface plate on described seal ring (4) right side; The diameter of described forward and backward spin (5), (6) is greater than the internal diameter of described seal ring (4) but less than the external diameter of described seal ring (4); Rear end in anti-roll valve (3) offers an air hole (a) near the top board place, and anti-roll valve (3) communicates with the fuel-steam collection tube by described air hole (a).
2. double-ball anti-roll valve according to claim 1 is characterized in that: described seal ring (4) is fixed by the groove that is opened on the top board inwall.
3. double-ball anti-roll valve according to claim 1 is characterized in that: described forward and backward spin (5), (6) are for annotating the leaded steel ball.
4. double-ball anti-roll valve according to claim 1 is characterized in that: described seal ring (4) is made for rubber.
5. double-ball anti-roll valve according to claim 1 is characterized in that: two skewbacks in described anti-roll valve (3) bottom plate structure and the angle of horizontal plane are respectively 8 °～40 °.
6. double-ball anti-roll valve according to claim 1 is characterized in that: the rolling stroke (L) of described forward and backward spin (5), (6) is respectively 3～8mm.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020541836XU CN201858048U (en) | 2010-09-26 | 2010-09-26 | Double-ball type anti-tilting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020541836XU CN201858048U (en) | 2010-09-26 | 2010-09-26 | Double-ball type anti-tilting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201858048U true CN201858048U (en) | 2011-06-08 |
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ID=44103857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020541836XU Expired - Lifetime CN201858048U (en) | 2010-09-26 | 2010-09-26 | Double-ball type anti-tilting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201858048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943287A (en) * | 2010-09-26 | 2011-01-12 | 力帆实业(集团)股份有限公司 | Double-ball type anti-tilting valve in fuel steam collection system of motorcycle |
-
2010
- 2010-09-26 CN CN201020541836XU patent/CN201858048U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943287A (en) * | 2010-09-26 | 2011-01-12 | 力帆实业(集团)股份有限公司 | Double-ball type anti-tilting valve in fuel steam collection system of motorcycle |
| CN101943287B (en) * | 2010-09-26 | 2012-02-08 | 力帆实业(集团)股份有限公司 | Double-ball type anti-tilting valve in fuel steam collection system of motorcycle |
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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: 20110608 Effective date of abandoning: 20120208 |