CN205075643U - A add oil pipe mouth for oil tank - Google Patents

A add oil pipe mouth for oil tank Download PDF

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Publication number
CN205075643U
CN205075643U CN201520833430.1U CN201520833430U CN205075643U CN 205075643 U CN205075643 U CN 205075643U CN 201520833430 U CN201520833430 U CN 201520833430U CN 205075643 U CN205075643 U CN 205075643U
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China
Prior art keywords
oil
fuel tank
breathing pipe
port
oil plant
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CN201520833430.1U
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Chinese (zh)
Inventor
安霄
汪全川
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Zoomlion Heavy Machinery Co Ltd
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Zoomlion Heavy Machinery Co Ltd
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Priority to CN201520833430.1U priority Critical patent/CN205075643U/en
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Abstract

The utility model relates to an add oil pipe mouth for oil tank, its oil pipe that adds including setting up on the oil tank wall of oil tank say and set up at the pipeline lid that accesss to outside port department that adds that oil pipe says, the pipeline lid is twisted soon on adding the port that oil pipe said, is provided with the respiratory tube on adding the inside lateral wall that oil pipe said, the diameter of respiratory tube is less than or equal to the diameter of saying with oil pipe half. Adopt the basis the utility model discloses a when carrying out the oil filling with the oil pipe mouth to the oil tank, because the passageway that the oil injection is passed through is kept apart with the passageway of following oil tank exhaust air process each other, consequently, both are in the in -process mutually noninterfere of flowing. The user is in the filling oil, and the air that piles up in the oil storage space of oil tank can be discharged through the respiratory tube. Consequently, the oil of filling can not splash because of the discharge of air to the outside that adds the oil pipe mouth, has avoided the pollution of the oil of wasting and splashing of oil to the surrounding environment from this.

Description

For the filler neck of fuel tank
Technical field
The utility model relates to a kind of oil filling port for fuel tank, relates more specifically to a kind of filler neck for fuel tank that can prevent oil plant from overflowing.
Background technology
Below background of related of the present utility model is described, but these explanations might not form prior art of the present utility model.
Along with hydraulic technique apply in field machine more prevalent, the application of hydraulic technique be unable to do without the hydraulic reservoir of the storage space for providing hydraulic oil.And be user's requisite working link in use field machine process to servicing fluids force feed in hydraulic reservoir.
Domestic market, the fuel filler pipe structure of common hydraulic reservoir is simple, and user can by oil drum directly to servicing fluids force feed in hydraulic reservoir.If it is too fast to annotate in the process of servicing fluids force feed, because the confined space of fuel tank does not communicate with barometric pressure, along with the increase of the oil mass in hydraulic reservoir, the inside and outside differential pressure of hydraulic reservoir increases, and the air in hydraulic reservoir at this moment will be caused outwards to overflow.In the process that air outwards overflows, the hydraulic oil at hydraulic reservoir oil filling port place can outwards promote by air, thus causes hydraulic oil outwards to splash from hydraulic reservoir, causes the waste of oil plant thus, and pollute machine and soil, certain injury is also caused to crops.In order to not make hydraulic oil splash from oil filling port, needing user slowly to refuel, so then greatly can reduce operating efficiency.
Therefore, a kind of solution that can solve the problem that oil plant splashes or operating efficiency reduces existed in refueling process is needed in prior art.The utility model provides a kind of optimization rational in infrastructure, Refuel structure cheap for manufacturing cost; user there will not be oil product to waste the phenomenon of contaminated environment when refueling; also need not splash in order to avoid oil plant and oiling efficiency need be reduced; thus cost-saving, protection of the environment and improve production efficiency.
Utility model content
The purpose of this utility model is to propose a kind ofly can solve oil plant in refueling process and run into the filler neck of discharging air and the problem that causes oil plant to splash, because this filler neck can avoid the splashing of oil plant, therefore avoid the waste of oil plant and the oil plant of splashing to the pollution of surrounding environment and impact.
The utility model proposes a kind of filler neck for fuel tank, this filler neck comprises the oiling pipeline be arranged on the oil tank wall of fuel tank and the duct cap of leading to outside port being arranged on oiling pipeline, duct cap is screwed on the port of oiling pipeline, makes duct cap can seal the port of oiling pipeline.According to being further characterized in that of the filler neck for fuel tank of the present utility model, the internal side wall of oiling pipeline is provided with breathing pipe, the diameter of breathing pipe is less than or equal to the half of the diameter of oiling pipeline.
Adopt according to filler neck of the present utility model, oil filling is carried out to fuel tank time, injects due to oil plant the passage that passes through and the air of discharging from fuel tank the passage of process be isolated from each other, therefore, both are non-interference in flow process.User is while filling oil plant, and the air accumulated in the oil plant storage space of fuel tank can be discharged by breathing pipe.Therefore, the oil plant of filling can not be splashed to the outside of filler neck because of the discharge of air, thus avoid the waste of oil plant and the oil plant of splashing to the pollution of surrounding environment.
According to a preferred embodiment of the filler neck for fuel tank of the present utility model, the end of breathing pipe is positioned at the inside of the port of oiling pipeline, can cover the port of oiling pipeline and the port of breathing pipe to make duct cap.
According in another preferred embodiment of the filler neck for fuel tank of the present utility model, the sidewall of breathing pipe is provided with through hole, and the port that breathing pipe is leading to outside has closed end face.
According to another preferred embodiment of the filler neck for fuel tank of the present utility model, through hole is provided with check valve, check valve can make the air overflowed from fuel tank pass through, and stops entering in breathing pipe from oil plant from outside simultaneously.
According in an also preferred embodiment of the filler neck for fuel tank of the present utility model, breathing pipe is provided with check valve on the port leading to outside, check valve can make the air overflowed from fuel tank pass through, and stops entering in breathing pipe from oil plant from outside simultaneously.
According to another preferred embodiment of the filler neck for fuel tank of the present utility model, the end leading to the inside of fuel tank of breathing pipe is arranged on the top of the inner space of fuel tank.
Beneficial effect according to the filler neck for fuel tank of the present utility model is also, by the through hole arranged in the sidewall of breathing pipe or the port with check valve be arranged on the end of breathing pipe, advantageously can prevent from by mistake being joined in breathing pipe in oil filling process, guarantee the isolation of oil feed passage and air by-pass passage thus further.Although be illustrated for hydraulic reservoir at this, significantly, may be used for other any oil plant fuel tanks according to the filler neck for fuel tank of the present utility model, it can play the effect preventing oil plant from splashing equally.
Accompanying drawing explanation
By the detailed description of the invention part provided referring to accompanying drawing, feature and advantage of the present utility model will become easier to understand, in the accompanying drawings:
Fig. 1 illustrates the part sectional view adopted according to the fuel tank of filler neck of the present utility model;
Fig. 2 illustrates according to the cutaway view being in the filler neck of fueling state of the present utility model;
Fig. 3 is arranged on the lateral plan according to the breathing pipe in the oiling pipeline of filler neck of the present utility model; And
Fig. 4 is the section drawing intercepted along the line A-A in Fig. 3.
Detailed description of the invention
With reference to the accompanying drawings illustrative embodiments of the present utility model is described in detail.Be only for demonstration object to the description of illustrative embodiments, and be never the restriction to the utility model and application or usage.
Outer problem of spattering is easy to for the oil plant existed in refueling process existed in prior art, the utility model proposes a kind of filler neck for fuel tank, effectively can be prevented the splashing of oil plant in refueling process by this filler neck, avoid the waste of oil plant and the oil plant of splashing to the pollution of surrounding environment.
As shown in Figure 1, the cross-sectional schematic adopted according to the fuel tank 50 of filler neck 10 of the present utility model is shown.The oiling pipeline 12 be arranged on the oil tank wall 52 of fuel tank 50 and the duct cap 14 of leading to outside port being arranged on oiling pipeline 12 is comprised according to the filler neck 10 for fuel tank 50 of the present utility model, duct cap 14 is screwed on the port of oiling pipeline 12, thus the port of oiling pipeline 12 is closed, and can unload from oiling pipeline 12 when annotating oil plant.Certainly, also can be arranged on the top cover 54 of fuel tank 50 according to the oiling pipeline 12 of filler neck 10 of the present utility model.It is as mentioned above structure that general oil filling port of the prior art has.
In order to make can to prevent the outer of oil plant from spattering in oil filling process according to filler neck 10 of the present utility model, the internal side wall of oiling pipeline 12 is provided with breathing pipe 16, by breathing pipe 16, the air accumulated in oil filling process in fuel tank is derived, make the oil plant of air and the filling of deriving along different path flow thus, thus avoid the oil plant of filling and the air generation direct impact of discharge, thus prevent the splashing of oil plant.Further, pass through to make oil plant to retain enough spaces in oiling pipeline 12, the diameter of breathing pipe 16 can be arranged to the half of the diameter of oiling pipeline 12 or less, namely, the diameter of breathing pipe 16 is less than or equal to the half of the diameter of oiling pipeline 12.
Adopt carry out oil filling according to filler neck of the present utility model 10 pairs of fuel tanks 50 time, injects due to oil plant the passage that passes through and the air of discharging from fuel tank 50 the passage of process be isolated from each other, therefore, both are non-interference in flow process.User is while filling oil plant, and the air accumulated in the oil plant storage space of fuel tank 50 can be discharged by breathing pipe 16.Therefore, the oil plant of filling can not be splashed to the outside of filler neck 10 because of the discharge of air, thus avoid the waste of oil plant and the oil plant of splashing to the pollution of surrounding environment.
As shown in Figure 1, the inside of the port of oiling pipeline 12 is positioned at according to the end of the discharge air of the breathing pipe 16 of the filler neck 10 for fuel tank 50 of the present utility model, namely, the end of the breathing pipe 16 of filler neck 10 relative to oiling pipeline 12 port more near fuel tank 50, namely the height of the port of oiling pipeline 12 is greater than the height of the end of breathing pipe 16.Like this, when on port duct cap 14 being screwed to oiling pipeline 12, duct cap 14 can cover the port of oiling pipeline 12 and the port of breathing pipe 16 completely.
Further, be provided with through hole 162 according on the sidewall of the breathing pipe 16 of the filler neck 10 for fuel tank 50 of the present utility model, as in Figure 2-4, and the port that breathing pipe 16 is leading to outside has closed end face.That is, breathing pipe 16 be blind pipe for the end that air is discharged, carry out discharged air by means of only the through hole 162 be arranged on its sidewall.It end face due to breathing pipe 16 is sealing, therefore when user by according to filler neck 10 of the present utility model annotate in fuel tank 50 oil plant time, even if oil plant has directly been filled on the end face of breathing pipe 16, oil plant also can not enter fuel tank 50 by breathing pipe 16, the oil plant be filled on the end face of breathing pipe 16 can flow in fuel tank 50 along the inwall of the outer wall of breathing pipe 16 and oiling pipeline 12, therefore can not cause meeting of oil plant and air, also early would not have the splashing of oil plant.
In addition, in order to prevent the inside entering breathing pipe 16 in oil filling process further, through hole 162 in the sidewall of breathing pipe 16 can arrange check valve, this check valve can make the air overflowed from fuel tank pass through, but it stops simultaneously and enters in breathing pipe 16 from oil plant from outside.By arranging the completely isolated of such check valve oil plant can guaranteeing to realize filling and the air of discharging from fuel tank 50, prevent the splashing of the oil plant caused because oil plant and air occur to impact in refueling process.
According to the other preferred embodiment of the filler neck 10 for fuel tank 50 of the present utility model, breathing pipe 16 is provided with check valve on the port leading to outside, certainly, the end face of breathing pipe 16 is now through hole, the air accumulated in fuel tank 50 directly can be discharged by the port of breathing pipe 16, and now breathing pipe 16 can not have the through hole 162 be arranged on its sidewall.This check valve can make the air overflowed from fuel tank 50 pass through, and stops simultaneously and enter in breathing pipe 16 from oil plant from outside.Because this setup does not need to process through hole on the sidewall of breathing pipe 16, and do not need to close the end face of breathing pipe 16, therefore this breathing pipe 16 is easier to processing, and its manufacturing cost is lower.
As shown in Figure 1, the end leading to the inside of fuel tank 50 of breathing pipe 16 is arranged on the top of the inner space of fuel tank 50.Owing to needing to discharge by breathing pipe 16 air accumulated in the inner space of fuel tank 50, therefore end breathing pipe 16 being sucked air is needed to be arranged on highest position in fuel tank 50, thus can be clean by the air venting in fuel tank 50, be beneficial to the more oil plant of filling.
When oil plant is annotated in employing in fuel tank 50 according to the filler neck 10 for fuel tank 50 of the present utility model, as shown in Figure 2, fuel filler pipe 56 directly can be inserted in oiling pipeline 12, the oil plant of annotating is filled into the inside of fuel tank 50 along the direction of arrow R from fuel filler pipe 56.The air simultaneously accumulated in the inner space of fuel tank 50 enters into the inside of breathing pipe 16 by the end of the breathing pipe 16 being arranged on the top of the inner space of fuel tank 50, and guides to its discharge port by breathing pipe 16.The air of discharging from fuel tank 50 discharges breathing pipe 16 by the through hole 162 be arranged on the sidewall of breathing pipe 16, and is discharged to the outside of fuel tank 50 along the direction of arrow S.This shows, filling oil plant and discharge air, along the flow channels be isolated from each other, therefore can not interfere, thus the splashing of oil plant can not occur.
Can by utilizing the path realization filling oil plant of the isolation be arranged in oiling pipeline and the completely isolated of the air of discharging from fuel tank according to the filler neck for fuel tank of the present utility model, avoid thus in the filling process of oil plant, the oil plant of filling and the air of discharge directly meet, thus avoid oil plant to discharge air owing to running into and produce the problem of splashing, avoid the waste of oil plant and the oil plant of splashing to the pollution of surrounding environment and impact.In addition, by the through hole arranged in the sidewall of breathing pipe or the port with check valve be arranged on the end of breathing pipe, advantageously can prevent from by mistake being joined in breathing pipe in oil filling process, guarantee the isolation of oil feed passage and air by-pass passage thus further.Although be illustrated for hydraulic reservoir at this, significantly, may be used for other any oil plant fuel tanks according to the filler neck for fuel tank of the present utility model, it can play the effect preventing oil plant from splashing equally.
Although be described the utility model with reference to illustrative embodiments, but be to be understood that, the utility model is not limited in literary composition the detailed description of the invention described in detail and illustrate, when not departing from claims limited range, those skilled in the art can make various change to described illustrative embodiments.

Claims (6)

1. the filler neck for fuel tank (50) (10), comprising:
Be arranged on the oiling pipeline (12) on the oil tank wall (52) of described fuel tank (50); And
Be arranged on the duct cap (14) of leading to outside port of described oiling pipeline (12), described duct cap (14) is screwed on the port of described oiling pipeline (12),
It is characterized in that, the internal side wall of described oiling pipeline (12) is provided with breathing pipe (16), the diameter of described breathing pipe (16) is less than or equal to the half of the diameter of described oiling pipeline (12).
2. the filler neck for fuel tank (50) according to claim 1 (10), wherein, the end of described breathing pipe (16) is positioned at the inside of the port of described oiling pipeline (12), can cover the port of described oiling pipeline (12) and the port of described breathing pipe (16) to make described duct cap (14).
3. the filler neck for fuel tank (50) according to claim 2 (10), wherein, the sidewall of described breathing pipe (16) is provided with through hole (162), and the port that described breathing pipe (16) is leading to outside has closed end face.
4. the filler neck for fuel tank (50) according to claim 3 (10), wherein, described through hole (162) is provided with check valve, described check valve can make the air overflowed from fuel tank (50) pass through, and stops simultaneously and enters in described breathing pipe (16) from oil plant from outside.
5. the filler neck for fuel tank (50) according to claim 1 and 2 (10), wherein, described breathing pipe (16) is provided with check valve on the port leading to outside, described check valve can make the air overflowed from fuel tank pass through, and stops simultaneously and enters in described breathing pipe (16) from oil plant from outside.
6. the filler neck for fuel tank (50) (10) according to any one in claim 1-4, wherein, the end leading to the inside of described fuel tank (50) of described breathing pipe (16) is arranged on the top of the inner space of described fuel tank (50).
CN201520833430.1U 2015-10-23 2015-10-23 A add oil pipe mouth for oil tank Active CN205075643U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520833430.1U CN205075643U (en) 2015-10-23 2015-10-23 A add oil pipe mouth for oil tank

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Application Number Priority Date Filing Date Title
CN201520833430.1U CN205075643U (en) 2015-10-23 2015-10-23 A add oil pipe mouth for oil tank

Publications (1)

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CN205075643U true CN205075643U (en) 2016-03-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110102076A (en) * 2019-04-28 2019-08-09 朱福才 A kind of automobile remnants gasoline recovery plant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110102076A (en) * 2019-04-28 2019-08-09 朱福才 A kind of automobile remnants gasoline recovery plant

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