CN104843372A - Elastic plugging structure of oil tank oil return hole - Google Patents
Elastic plugging structure of oil tank oil return hole Download PDFInfo
- Publication number
- CN104843372A CN104843372A CN201510133785.4A CN201510133785A CN104843372A CN 104843372 A CN104843372 A CN 104843372A CN 201510133785 A CN201510133785 A CN 201510133785A CN 104843372 A CN104843372 A CN 104843372A
- Authority
- CN
- China
- Prior art keywords
- oil tank
- return hole
- oil
- fuel return
- elastic piece
- Prior art date
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention relates to the technical field of manual pumps, in particular to an elastic plugging structure of an oil tank oil return hole. The elastic plugging structure comprises a tank body, and the oil tank oil return hole is formed in the tank body. The elastic plugging structure further comprises an elastic piece structure located in an oil tank, and a plugging structure, wherein the elastic piece structure is installed on the side wall of the oil tank oil return hole. The plugging structure comprises a positioning shaft inserted in the oil tank oil return hole and a plugging cover located on the top of the positioning shaft and used for plugging the oil tank oil return hole, the end of the plugging cover is in elastic contact with the elastic piece structure, and a gap is reserved between the positioning shaft and the inner wall of the oil tank oil return hole. The plugging structure seals an oil returning opening through the restoring force of the elastic piece structure, when oil returns in the oil return hole, the plugging structure pushes the elastic piece structure under oil pressure, an oil return gap is formed, oil falls on the surface of the oil layer in the oil tank in a scattered splash mode through the gap, bubbles and noise are avoided, and the good operation of a manual pump is ensured.
Description
Technical field
The present invention relates to manual pump technical field, particularly relate to a kind of oil tank fuel return hole elasticity plugging structure.
Background technology
The oil tank fuel return hole place of traditional manual pump does not establish plugging structure, and fuel return hole directly leads to inside oil tank.During fuel return hole oil return, oil directly sprays in oil tank, causes the oil in oil tank to form bubble, also can produce noise, affect the use of manual pump.
Summary of the invention
For solving the problems of the technologies described above, the invention provides one can carry out elasticity shutoff to oil tank fuel return hole, produces the oil tank fuel return hole elasticity plugging structure of bubble and noise when preventing oil return in oil.
Technical scheme of the present invention is: a kind of oil tank fuel return hole elasticity plugging structure, comprise tank body, oil tank fuel return hole is provided with in described tank body, also comprise the elastic piece structure and plugging structure that are positioned at oil tank, described elastic piece structure is arranged on oil tank fuel return hole sidewall, described plugging structure comprises the fix shaft in insertion oil tank fuel return hole and is positioned at the capping of fix shaft top for shutoff oil tank fuel return hole, described capping end and elastic piece structure Elastic Contact, gap is left between described fix shaft and oil tank fuel return hole inwall, described capping diameter is greater than oil tank fuel return hole bore.
Further, described elastic piece structure comprises:
Canned paragraph, is positioned at the two ends of elastic piece structure, is fixedly connected with oil tank fuel return hole sidewall;
Contact segment, is positioned at the middle part of elastic piece structure, with the capping end Elastic Contact of plugging structure;
Stretch section, is symmetricly set on the both sides of contact segment in dome arc structure;
Linkage section, the section of being connected and fixed, stretch section and contact segment, the dome arc structure of described linkage section and stretch section is tangent.
Further, the rectangular planar structure of described linkage section, forms angle between the linkage section of described contact segment homonymy.
Further, described capping end is provided with positive stop lug boss outwardly, and described contact segment is rectangle plane shape structure, is provided with the spacing hole corresponding with positive stop lug boss, and described positive stop lug boss is positioned at spacing hole.
Further, described capping lower surface is provided through the seal ring of fix shaft for sealed oil tank fuel return hole.
The invention has the beneficial effects as follows: the restoring force utilizing elastic piece structure, plugging structure is made to form sealing to return opening, when fuel return hole oil return, plugging structure promotes elastic piece structure under oil pressure, form the gap of oil return, oil is that four loose splashing shapes fall into oil tank oil reservoir surface by gap, prevents the generation of bubble and noise, ensure that the good operation of manual pump.And undertaken spacing by spacing hole and positive stop lug boss between elastic piece structure and plugging structure, positioned by fix shaft again between plugging structure and fuel return hole, ensure that plugging structure position can not offset, make plugging effect better.
Accompanying drawing explanation
Fig. 1 is using state structural representation of the present invention.
Fig. 2 is elastic piece structure perspective view of the present invention.
Fig. 3 is elastic piece structure side schematic view of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.In addition, if below in described each embodiment of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
As shown in Figure 1, the present invention includes and comprise tank body, oil tank fuel return hole 21, elastic piece structure 10 and plugging structure 30 is provided with in described tank body, elastic piece structure 10 is arranged on oil tank fuel return hole sidewall 20, plugging structure 30 comprises the fix shaft 301 in insertion oil tank fuel return hole 21 and is positioned at the capping 302 of fix shaft 301 top for shutoff oil tank fuel return hole 21, capping 302 end and elastic piece structure 10 Elastic Contact, leave gap between fix shaft 301 and oil tank fuel return hole 21 inwall, capping 302 diameter is greater than oil tank fuel return hole 21 bore.
As shown in Figures 2 and 3, the elastic piece structure 10 of preferred embodiment, can be bent by sheetmetal and form or form through mould compacting.Elastic piece structure 10 comprise be positioned at two ends canned paragraph 1, middle contact segment 2, be positioned at the stretch section 3 of contact segment 2 both sides and the linkage section 13 and 32 for being connected 2 threes.
Canned paragraph 1 and contact segment 2 all rectangular plane, canned paragraph 1 can be furnished with the mounting hole of screw according to the actual demand that elastic piece structure is installed, this elastic piece structure 10 is fixed on oil tank fuel return hole sidewall 20 by screw, also can cancel the mounting hole on canned paragraph 1, adopt welding manner to be connected and fixed this elastic piece structure 10.The stretch section 3 of canned paragraph 1 both sides is arranged symmetrically, and stretch section 3 is dome arc structure, and stretch section 3 side is connected with canned paragraph 1 by the linkage section 13 tangent with its arc surface, and opposite side is connected with contact segment 2 by the linkage section 32 tangent with its arc surface.Form angle between linkage section 13 and linkage section 32, and angle elastic piece structure in the raw time be less than 90 °.
Capping 302 end is provided with positive stop lug boss 303 outwardly, and contact segment 2 is rectangle plane shape structure, is provided with the spacing hole corresponding with positive stop lug boss 303, and positive stop lug boss 303 is positioned at spacing hole.Capping 302 lower surface is provided through the seal ring of fix shaft 301 for sealed oil tank fuel return hole 21.
When this structure is used on manual pump, plugging structure 30 under the effect of elastic piece structure 10 elastic-restoring force tightly shutoff on oil tank fuel return hole 21, when fuel return hole starts oil return, oil pressure applies a thrust to plugging structure 30, plugging structure 30 promotes elastic piece structure 10 and produces deformation further, gap is formed between capping 302 and oil tank fuel return hole sidewall 20, fall into the upper surface of oil reservoir in oil tank in four loose splashing shapes after oil stops via the Clearance Flow between fix shaft 301 and oil tank fuel return hole 21 and through the end face of capping 302, thus prevent the generation of bubble and noise, ensure that the good operation of manual pump.
The above, be only the specific embodiment of the present invention, it should be pointed out that any those of ordinary skill in the art are in the technical scope disclosed by the present invention, the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (5)
1. an oil tank fuel return hole elasticity plugging structure, comprise tank body, oil tank fuel return hole (21) is provided with in described tank body, it is characterized in that: also comprise the elastic piece structure (10) and plugging structure (30) that are positioned at oil tank, described elastic piece structure (10) is arranged on oil tank fuel return hole sidewall (20), described plugging structure (30) comprises the fix shaft (301) in insertion oil tank fuel return hole (21) and is positioned at the capping (302) of fix shaft (301) top for shutoff oil tank fuel return hole (21), described capping (302) end and elastic piece structure (10) Elastic Contact, gap is left between described fix shaft (301) and oil tank fuel return hole (21) inwall, described capping (302) diameter is greater than oil tank fuel return hole (21) bore.
2. a kind of oil tank fuel return hole elasticity plugging structure as claimed in claim 1, it is characterized in that, described elastic piece structure (10) comprising:
Canned paragraph (1), is positioned at the two ends of elastic piece structure (10), is fixedly connected with oil tank fuel return hole sidewall (20);
Contact segment (2), is positioned at the middle part of elastic piece structure (10), with capping (302) the end Elastic Contact of plugging structure;
Stretch section (3), is symmetricly set on the both sides of contact segment (2) in dome arc structure;
Linkage section (13; 32), the section of being connected and fixed (1), stretch section (3) and contact segment (2), described linkage section (13; 32) tangent with the dome arc structure of stretch section (3).
3. a kind of oil tank fuel return hole elasticity plugging structure as claimed in claim 2, is characterized in that: described linkage section (13; 32) in planar structure, the linkage section (13 of described contact segment (2) homonymy; 32) angle is formed between.
4. a kind of oil tank fuel return hole elasticity plugging structure as claimed in claim 2, it is characterized in that: described capping (302) end is provided with positive stop lug boss (303) outwardly, described contact segment (2) is planar structure, be provided with the spacing hole corresponding with positive stop lug boss (303), described positive stop lug boss (303) is positioned at spacing hole.
5. a kind of oil tank fuel return hole elasticity plugging structure as claimed in claim 4, is characterized in that: described capping (302) lower surface is provided through the seal ring of fix shaft (301) for sealed oil tank fuel return hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510133785.4A CN104843372B (en) | 2015-03-25 | 2015-03-25 | Elastic plugging structure of oil tank oil return hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510133785.4A CN104843372B (en) | 2015-03-25 | 2015-03-25 | Elastic plugging structure of oil tank oil return hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104843372A true CN104843372A (en) | 2015-08-19 |
| CN104843372B CN104843372B (en) | 2017-05-17 |
Family
ID=53843445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510133785.4A Active CN104843372B (en) | 2015-03-25 | 2015-03-25 | Elastic plugging structure of oil tank oil return hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104843372B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09291808A (en) * | 1996-04-30 | 1997-11-11 | Suzuki Motor Corp | Structure of oil pan |
| JP2006152813A (en) * | 2004-11-25 | 2006-06-15 | Keihin Corp | Fuel pump unit device |
| CN2833288Y (en) * | 2005-08-16 | 2006-11-01 | 浙江大学 | Overflow valve for grease centralized lubricating system |
| CN202431331U (en) * | 2011-12-29 | 2012-09-12 | 锐展(铜陵)科技有限公司 | Engine oil return structure of engine |
| CN203653161U (en) * | 2014-01-08 | 2014-06-18 | 常熟通润汽车零部件股份有限公司 | Automatically returned oil return valve structure |
-
2015
- 2015-03-25 CN CN201510133785.4A patent/CN104843372B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09291808A (en) * | 1996-04-30 | 1997-11-11 | Suzuki Motor Corp | Structure of oil pan |
| JP2006152813A (en) * | 2004-11-25 | 2006-06-15 | Keihin Corp | Fuel pump unit device |
| CN2833288Y (en) * | 2005-08-16 | 2006-11-01 | 浙江大学 | Overflow valve for grease centralized lubricating system |
| CN202431331U (en) * | 2011-12-29 | 2012-09-12 | 锐展(铜陵)科技有限公司 | Engine oil return structure of engine |
| CN203653161U (en) * | 2014-01-08 | 2014-06-18 | 常熟通润汽车零部件股份有限公司 | Automatically returned oil return valve structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104843372B (en) | 2017-05-17 |
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| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee after: dFac Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee before: Dongfeng Car Co. |