CN204852514U - ExhaustIng equIpment - Google Patents
ExhaustIng equIpment Download PDFInfo
- Publication number
- CN204852514U CN204852514U CN201520401551.9U CN201520401551U CN204852514U CN 204852514 U CN204852514 U CN 204852514U CN 201520401551 U CN201520401551 U CN 201520401551U CN 204852514 U CN204852514 U CN 204852514U
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- China
- Prior art keywords
- joint
- overflow pipe
- gas appliance
- ball float
- venting gas
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Abstract
The utility model relates to an exhaustIng equIpment, it includes connector, floater and anti -overflow pipe. Floater and the non - sealing contact of connector and can with the tip sealing contact of anti -overflow pipe. This exhaustIng equIpment is under normal working condition, and the floater is because the dead weight, lies in the lower part in holding chamber, with the non - sealing contact of tip of the first connecting portion of lower part, does not influence the intercommunication of external cavitys such as exhaustIng equIpment and oil tank, when adding liquid such as fuel in to external cavity, when the inside liquid of external cavity overflowed the cavity plane, the floater was under the effect of buoyancy and liquid impact force, and the rebound is floated on upper portion, and tip sealing contact with the upper portion anti -overflow is managed prevents liquid outflow anti -overflow pipe.
Description
Technical field
The utility model relates to a kind of outlet pipe field, especially relates to a kind of multistable venting gas appliance.
Background technique
The most oil filler lower than fuel tank of the venting gas appliance such as existing fuel tank respirating tube, breathing pipe, outlet pipe.In the process of refueling, when the oil filler of fuel tank also do not filled it up with by oil, and the liquid level of oil can not directly can apparent time, there is subjective desire want top off and be difficult to notice that oil level has exceeded fuel tank end face, continue fuel up, now lower than respirating tube, breathing pipe, the outlet pipe oil spilling of oil filler, if when the amount of oiling flow and oil spilling is more or less the same, waiting in the process that oil level rises, easily cause a large amount of wastes.And if when fuel tank respirating tube, breathing pipe, outlet pipe are arranged the oil filler higher than fuel tank, Existential Space limits, have influence on other operation, and have a certain impact to attractive in appearance, cost is higher.
Model utility content
Based on this, be necessary to provide a kind of venting gas appliance that can prevent oil spilling.
A kind of venting gas appliance, comprising:
Connecting head, have the first joint, stopper part and the second joint, the axis of described first joint and described second joint has through hole, and described first joint is used for being connected with external cavity, described stopper part has holding cavity, and described through hole is communicated with described holding cavity;
Ball float, is actively installed in described holding cavity; And
Anti-overflow pipe is the tubular structure of hollow, and one end of described anti-overflow pipe is connected with described second joint;
The diameter of described ball float is greater than the internal diameter of the through hole of described first joint and is greater than the internal diameter of described anti-overflow pipe, and described ball float contacts with described connecting head non-tight and can contact with the end part seal of described anti-overflow pipe.
Wherein in an embodiment, through hole and the described holding cavity of described first joint form heavy stand hole, and described ball float partly can to stretch in the through hole of described first joint and to contact with the end non-tight of described first joint.
Wherein in an embodiment, the rough surface of the end that described first joint is connected with described stopper part.
Wherein in an embodiment, described first joint has outside thread.
Wherein in an embodiment, described second joint has internal thread, and one end of described anti-overflow pipe has outside thread, and described anti-overflow pipe is threaded with described second joint.
Wherein in an embodiment, described ball float is hollow silicon glueballs or hollow rubber ball.
Wherein in an embodiment, the smooth surface of described ball float.
Wherein in an embodiment, the smooth surface of the end that described anti-overflow pipe is connected with described second joint.
Wherein in an embodiment, the end that described anti-overflow pipe is connected with described second joint is wedge-shaped structure, and the outside internal diameter of this wedge-shaped structure becomes large gradually, and maximum inner diameter is greater than the external diameter of described ball float and minimum diameter is less than the external diameter of described ball float.
Wherein in an embodiment, the other end of described anti-overflow pipe is bent to form U-shaped structure.
Under normal operating condition, ball float, due to deadweight, is positioned at the bottom of holding cavity, contacts with the end non-tight of the first joint of bottom above-mentioned venting gas appliance, does not affect being communicated with of the external cavitys such as venting gas appliance and fuel tank; When adding the liquid such as fuel oil in external cavity, when the overflow cavity plane of external inside cavity, ball float, under the effect of buoyancy and hydraulic shock power, moves up and swims in top, contact with the end part seal of top anti-overflow pipe, prevent liquid from flowing out anti-overflow pipe.Ball float is under the active force of hydraulic shock active force, internal positive pressure and the comprehensive function of liquid buoyancy, can strengthen further with the sealability of the end of anti-overflow pipe, prevent the liquid stream such as fuel oil from going out external cavity, when there being the bad fuel oil causing a small amount of seepage of sealing, can assemble in anti-overflow pipe, and can not directly flow out; When not having above active force, ball float moves down because conducting oneself with dignity, and be in normal operation position, a small amount of liquid of former seepage can flow back into external cavity again, now, under venting gas appliance is in the normal operative condition of ventilation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the venting gas appliance of a mode of execution;
Fig. 2 is the sectional view of venting gas appliance shown in Fig. 1.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in specification of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Term as used herein "and/or" comprises arbitrary and all combinations of one or more relevant Listed Items.
Incorporated by reference to Fig. 1 and Fig. 2, the venting gas appliance 10 of a mode of execution comprises connecting head 100, ball float 200 and anti-overflow pipe 300.
Connecting head 100 has the first joint 110, stopper part 120 and the second joint 130.First joint 110 is provided with outside thread, for being connected with external cavitys such as fuel tanks.Second joint 130 has internal thread, for being connected with anti-overflow pipe 300.The axis of the first joint 110 and the second joint 130 has through hole 102.Stopper part 120 has holding cavity 104.Through hole 102 is communicated with holding cavity 104.First joint 110, stopper part 120 and the second joint 130 are preferably integrated structure, and the outer wall of stopper part 120 and the second joint 130 is hexagonal prismoid shape, are convenient to install.
In the present embodiment, the internal diameter of the through hole 102 of the first joint 110 is less than the internal diameter of holding cavity 104, and thus the through hole 102 of the first joint 110 forms heavy stand hole structure with holding cavity 104.Ball float 200 is actively installed in holding cavity 104, and can be stuck in this heavy stand hole structure.
Ball float 200 can fluctuate in holding cavity 104.Ball float 200 can adopt ganoid hollow silicon glueballs or hollow rubber ball.The diameter of ball float 200 is greater than the internal diameter of the first joint 110, can partly stretch in the through hole 102 of the first joint 110, and contact with the end non-tight of the first joint 110, be coarse surface as contact position (i.e. the surface of the end of the first joint 110) can be arranged, there is many tiny gaps between such ball float and this end, can supplied gas or gas-liquid pass through.
Anti-overflow pipe 300 is hollow tubular structure.One end of anti-overflow pipe 300 is provided with the outside thread with the internal thread adaptation of the second joint 130, thus is threaded with connecting head 100.The hollow space of anti-overflow pipe 300 can be communicated with holding cavity 104, to connect external cavity and ambient atmosphere, plays the effect of breathing exhaust.The end that anti-overflow pipe 300 is connected with the second joint 130 is wedge-shaped structure, and internal diameter outwards becomes large gradually, and maximum inner diameter is preferably greater than the external diameter of ball float 200, and minimum internal diameter need be less than the external diameter of ball float 200.The surface of this end is smooth surface, thus when ball float 200 floats, the smooth surface of ball float 200 can be formed to seal with this smooth end and contact, and can play the effect preventing liquid from flowing out.
The other end of anti-overflow pipe 300 is bent to form U-shaped structure, and as respirating tube, the end of this U-shaped effectively can extend the length of anti-overflow pipe 300, prevents overflow.
Can understand, in other embodiments, described in above connecting head 100 and the Placement of external cavity and the Placement of connecting head 100 and anti-overflow pipe 300 are not limited to, as connecting head 100 can adopt the mode inserting engaging to be connected with external cavity or anti-overflow pipe 300, in addition, the screw thread set-up mode of above-mentioned outside thread and internal thread also can exchange.
Under normal operating condition, ball float 200, due to deadweight, is positioned at the bottom of holding cavity 104, contacts with the end non-tight of the first joint 110 of bottom above-mentioned venting gas appliance 10, does not affect being communicated with of the external cavitys such as venting gas appliance 10 and fuel tank; When adding the liquid such as fuel oil in external cavity, when the overflow cavity plane of external inside cavity, ball float 200, under the effect of buoyancy and hydraulic shock power, moves up and swims in top, contact with the end part seal of top anti-overflow pipe 300, prevent liquid from flowing out anti-overflow pipe 300.
Ball float 200 is under the active force of hydraulic shock active force, internal positive pressure and the comprehensive function of liquid buoyancy, can strengthen further with the sealability of the end of anti-overflow pipe 300, prevent the liquid stream such as fuel oil from going out external cavity, when there being the bad fuel oil causing a small amount of seepage of sealing, can assemble in anti-overflow pipe 300, and can not directly flow out; When not having above active force, ball float 200 moves down because conducting oneself with dignity, and be in normal operation position, a small amount of liquid of former seepage can flow back into external cavity again, now, under venting gas appliance 10 is in the normal operative condition of ventilation.
Each technical characteristics of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristics in above-described embodiment is not all described, but, as long as the combination of these technical characteristicss does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a venting gas appliance, is characterized in that, comprising:
Connecting head, have the first joint, stopper part and the second joint, the axis of described first joint and described second joint has through hole, and described first joint is used for being connected with external cavity, described stopper part has holding cavity, and described through hole is communicated with described holding cavity;
Ball float, is actively installed in described holding cavity; And
Anti-overflow pipe is the tubular structure of hollow, and one end of described anti-overflow pipe is connected with described second joint;
The diameter of described ball float is greater than the internal diameter of the through hole of described first joint and is greater than the internal diameter of described anti-overflow pipe, and described ball float contacts with described connecting head non-tight and can contact with the end part seal of described anti-overflow pipe.
2. venting gas appliance as claimed in claim 1, it is characterized in that, through hole and the described holding cavity of described first joint form heavy stand hole, and described ball float partly can to stretch in the through hole of described first joint and to contact with the end non-tight of described first joint.
3. venting gas appliance as claimed in claim 1, is characterized in that, the rough surface of the end that described first joint is connected with described stopper part.
4. venting gas appliance as claimed in claim 1, it is characterized in that, described first joint has outside thread.
5. venting gas appliance as claimed in claim 1, it is characterized in that, described second joint has internal thread, and one end of described anti-overflow pipe has outside thread, and described anti-overflow pipe is threaded with described second joint.
6. venting gas appliance as claimed in claim 1, it is characterized in that, described ball float is hollow silicon glueballs or hollow rubber ball.
7. venting gas appliance as claimed in claim 1, is characterized in that, the smooth surface of described ball float.
8. venting gas appliance as claimed in claim 1, is characterized in that, the smooth surface of the end that described anti-overflow pipe is connected with described second joint.
9. venting gas appliance as claimed in claim 1, it is characterized in that, the end that described anti-overflow pipe is connected with described second joint is wedge-shaped structure, and the outside internal diameter of this wedge-shaped structure becomes large gradually, and maximum inner diameter is greater than the external diameter of described ball float and minimum diameter is less than the external diameter of described ball float.
10. venting gas appliance as claimed in claim 1, it is characterized in that, the other end of described anti-overflow pipe is bent to form U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520401551.9U CN204852514U (en) | 2015-06-09 | 2015-06-09 | ExhaustIng equIpment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520401551.9U CN204852514U (en) | 2015-06-09 | 2015-06-09 | ExhaustIng equIpment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852514U true CN204852514U (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520401551.9U Active CN204852514U (en) | 2015-06-09 | 2015-06-09 | ExhaustIng equIpment |
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| CN (1) | CN204852514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017605A (en) * | 2019-03-05 | 2019-07-16 | 威能(无锡)供热设备有限公司 | Exhaust apparatus and the hot water facility for using the exhaust apparatus |
-
2015
- 2015-06-09 CN CN201520401551.9U patent/CN204852514U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017605A (en) * | 2019-03-05 | 2019-07-16 | 威能(无锡)供热设备有限公司 | Exhaust apparatus and the hot water facility for using the exhaust apparatus |
| CN110017605B (en) * | 2019-03-05 | 2021-02-19 | 威能(无锡)供热设备有限公司 | Exhaust device and hot water equipment adopting same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |