CN204126786U - The tank inlet cover device that mazy type is ventilative - Google Patents
The tank inlet cover device that mazy type is ventilative Download PDFInfo
- Publication number
- CN204126786U CN204126786U CN201420222448.3U CN201420222448U CN204126786U CN 204126786 U CN204126786 U CN 204126786U CN 201420222448 U CN201420222448 U CN 201420222448U CN 204126786 U CN204126786 U CN 204126786U
- Authority
- CN
- China
- Prior art keywords
- mazy type
- fuel tank
- inner cap
- vent
- rubber pad
- 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.)
- Expired - Fee Related
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model discloses the tank inlet cover device that a kind of mazy type is ventilative, comprise fuel tank cap and seal rubber pad, seal rubber pad and fuel tank cap form mazy type venting channels, and this mazy type venting channels is communicated with fuel tank internal with extraneous; The utility model adopts mazy type venting channels, this mazy type venting channels is communicated with fuel tank internal with extraneous, by mazy venting channels, fuel flow returns can be made and Leakage prevention, simultaneously and ensure entering of gas, also can effectively prevent foreign material from entering, mazy type venting channels can be formed on seal rubber pad, also can be formed in fuel tank cap, also can between and formed by the channel connection of the two, structure is simple, be easy to safeguard, owing to not having unnecessary parts, structure can not be damaged, and life cycle is longer.
Description
Technical field
The utility model relates to a kind of engine components, the tank inlet cover device that particularly a kind of mazy type is ventilative.
Background technique
Engine oil tank is used for providing motor fuel, for keeping normal traveling, needs to keep ventilation in fuel tank; In prior art, the structure more generally adopted for ventilating hole is arranged at fuel tank cap, and this structure namely adopt more be utilize gravity one-way ventilating and threaded passage ventilation; This structure complex structure, particularly gravity one-way ventilating, be easy to break down, bad sealing, cause fuel leakage or foreign material to enter fuel tank, and maintenance and repair is comparatively difficult.
Therefore, need improve the ventilation device of engine oil tank, structure is simple, and be easy to safeguard, can prevent fuel leakage while effectively preventing foreign material from entering fuel tank, structure can not be damaged, and life cycle is longer.
Model utility content
In view of this, the tank inlet cover device that the utility model provides a kind of mazy type ventilative, structure is simple, and be easy to safeguard, can prevent fuel leakage while effectively preventing foreign material from entering fuel tank, structure can not be damaged, and life cycle is longer.
The tank inlet cover device that mazy type of the present utility model is ventilative, comprises fuel tank cap and seal rubber pad, and described seal rubber pad and fuel tank cap form mazy type venting channels, and this mazy type venting channels is communicated with fuel tank internal with extraneous; By mazy venting channels, fuel flow returns and Leakage prevention can be made, simultaneously and ensure entering of gas, also can effectively prevent foreign material from entering, mazy type venting channels can be formed on seal rubber pad, also can be formed in fuel tank cap, also can between and formed by the channel connection of the two.
Further, described fuel tank cap comprises inner cap and enclosing cover, and described seal rubber pad is connected with inner cap sealed bottom and is positioned at and forms air cavity therebetween, and described seal rubber pad is provided with the sealing gasket vent being communicated with air cavity and fuel tank; Be covered with inner cap vent in described, described mazy type venting channels is formed by sealing gasket vent and inner cap vent and passage therebetween; During use, seal rubber pad is downward, and sealing gasket vent is positioned at bottom, is beneficial to fuel flow returns and is beneficial to gas to rise; Adopt detachable linkage structure between inner cap and enclosing cover, corresponding sealing can be set.
Further, erection column is covered with in described, this erection column one end stretches out and enters the ventilation space of enclosing cover, described seal rubber pad is provided with the tubular fitting seat of one end open, tubular fitting seat and seal rubber pad integrally formed, one end open upwards, the erection column the other end extend internally and in be placed on tubular fitting seat, set spacing bottom erection column inner end and tubular fitting seat, ensure gas circulation; Described inner cap vent axially runs through erection column, air vent in the middle of being formed between described tubular fitting seat inner circle and erection column cylindrical, this middle air vent is communicated in inner cap vent and air cavity, this middle air vent can independently be made, also can be positioned at erection column cylindrical or the formation of fitting seat inner circle fluting, structure is simple, does not need unnecessary parts, thus can the use of longer cycle, be beneficial to cleaning and safeguard.
Further, the inwall of described tubular fitting seat is provided with axial straight trough, and after described tubular fitting seat is coated at erection column, axial straight trough forms middle air vent, is shaped convenient and simple.
Further, by being positioned at the unidirectional fastening clamping of circumferencial direction between described inner cap and enclosing cover, unidirectional draw-in groove is positioned at circumferencial direction, bears larger load, and steadiness is better, avoids and is positioned at top in prior art and the problem of easy inefficacy that causes.
Further; tubular seat is formed inside described enclosing cover; described erection column to extend outward in this tubular seat and is provided with O RunddichtringO between this tubular seat end face and inner cap; namely around mazy type venting channels, form sealing; to the greasy dirt between inner cap and enclosing cover and muddy water sealing; outside greasy dirt and muddy water can not enter between outer cover of oil tank and inner cap; can assembling position (being generally unidirectional draw-in groove) between available protecting fuel tank inner cap and enclosing cover, effectively can improve the working life of the unidirectional draw-in groove of fuel tank by case.
The beneficial effects of the utility model: the tank inlet cover device that mazy type of the present utility model is ventilative, adopt mazy type venting channels, this mazy type venting channels is communicated with fuel tank internal with extraneous, by mazy venting channels, fuel flow returns can be made and Leakage prevention, simultaneously and ensure entering of gas, also can effectively prevent foreign material from entering, mazy type venting channels can be formed on seal rubber pad, also can be formed in fuel tank cap, also can between and formed by the channel connection of the two, structure is simple, be easy to safeguard, owing to there is no unnecessary parts, structure can not be damaged, life cycle is longer.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is fractionation schematic diagram of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model, Fig. 2 is Figure 1A place enlarged view, as shown in the figure: the tank inlet cover device that the mazy type of the present embodiment is ventilative, comprise fuel tank cap and seal rubber pad 3, described seal rubber pad 3 and fuel tank cap form mazy type venting channels, and this mazy type venting channels is communicated with fuel tank internal with extraneous; By mazy venting channels, fuel flow returns and Leakage prevention can be made, simultaneously and ensure entering of gas, also can effectively prevent foreign material from entering, mazy type venting channels can be formed on seal rubber pad, also can be formed in fuel tank cap, also can between and formed by the channel connection of the two.
In the present embodiment, described fuel tank cap comprises inner cap 2 and enclosing cover 1, and described seal rubber pad 3 is connected with inner cap 2 sealed bottom and is positioned at and forms air cavity 12 therebetween, and described seal rubber pad 3 is provided with the sealing gasket vent 14 being communicated with air cavity 12 and fuel tank; Described inner cap 2 is provided with inner cap vent 7, and described mazy type venting channels is formed by sealing gasket vent 14 and inner cap vent 7 and passage therebetween; During use, seal rubber pad 3 is downward, and sealing gasket vent 14 is positioned at bottom, is beneficial to fuel flow returns and is beneficial to gas to rise; Adopt detachable linkage structure between inner cap 2 and enclosing cover 1, corresponding sealing can be set.
In the present embodiment, described inner cap 2 is provided with erection column 5, this erection column 5 one end stretches out and enters the ventilation space of enclosing cover 1, described seal rubber pad 3 is provided with the tubular fitting seat 4 of one end open, tubular fitting seat 4 is integrally formed with seal rubber pad 3, one end open upwards, and erection column 5 the other end extends internally also and is placed on tubular fitting seat 4, set spacing bottom erection column 5 inner end and tubular fitting seat 4, ensure gas circulation; Described inner cap vent 7 axially runs through erection column 5, air vent 11 in the middle of being formed between described tubular fitting seat 4 inner circle and erection column 5 cylindrical, this middle air vent 11 is communicated in inner cap vent 7 and air cavity 12, this middle air vent 11 can independently be made, also can be positioned at erection column 5 cylindrical or the formation of tubular fitting seat 5 inner circle fluting, structure is simple, does not need unnecessary parts, thus can the use of longer cycle, be beneficial to cleaning and safeguard.
In the present embodiment, the inwall of described tubular fitting seat 5 is provided with axial straight trough 13, and after described tubular fitting seat 4 is coated at erection column 5, axial straight trough forms middle air vent 11, directly forms passage, be shaped convenient and simple after assembling.
In the present embodiment, by being positioned at the unidirectional fastening clamping of circumferencial direction between described inner cap 2 and enclosing cover 1, unidirectional fastening is positioned at circumferencial direction, bears larger load, steadiness is better, avoids and is positioned at top in prior art and the problem of easy inefficacy that causes; Unidirectional fastening comprises the elastic pawl 10 that the ratchet 9 being arranged at enclosing cover as shown in the figure distributes with the circumference being positioned at inner cap, forms clamping and connect after cooperatively interacting, stuck in a direction, applies certain external force then surmount in another direction.
In the present embodiment; tubular seat 15 is formed inside described enclosing cover 1; described erection column 5 to extend outward in this tubular seat 15 and is provided with O RunddichtringO 6 between this tubular seat 15 end face and inner cap 2; namely around mazy type venting channels, form sealing; to the greasy dirt between inner cap and enclosing cover and muddy water sealing; outside greasy dirt and muddy water can not enter between enclosing cover 1 and inner cap 2; can assembling position (being generally unidirectional clamping) between available protecting inner cap 1 and enclosing cover 2, effectively can improve the working life of the unidirectional draw-in groove of fuel tank by case.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (5)
1. the tank inlet cover device that a mazy type is ventilative, comprise fuel tank cap and seal rubber pad, it is characterized in that: described seal rubber pad and fuel tank cap form mazy type venting channels, this mazy type venting channels is communicated with fuel tank internal with extraneous, described fuel tank cap comprises inner cap and enclosing cover, described seal rubber pad is connected with inner cap sealed bottom and is positioned at and forms air cavity therebetween, and described seal rubber pad is provided with the sealing gasket vent being communicated with air cavity and fuel tank; Be covered with inner cap vent in described, described mazy type venting channels is formed by sealing gasket vent and inner cap vent and passage therebetween.
2. the tank inlet cover device that mazy type according to claim 1 is ventilative, it is characterized in that: in described, be covered with erection column, this erection column one end stretches out and enters the ventilation space of enclosing cover, described seal rubber pad is provided with the tubular fitting seat of one end open, the erection column the other end extends internally also and is placed on tubular fitting seat, described inner cap vent axially runs through erection column, air vent in the middle of being formed between described tubular fitting seat inner circle and erection column cylindrical, this middle air vent is communicated in inner cap vent and air cavity.
3. the tank inlet cover device that mazy type according to claim 2 is ventilative, it is characterized in that: the inwall of described tubular fitting seat is provided with axial straight trough, after described tubular fitting seat is coated at erection column, axial straight trough forms middle air vent.
4. the tank inlet cover device that mazy type according to claim 1 is ventilative, is characterized in that: by being positioned at the unidirectional fastening clamping of circumferencial direction between described inner cap and enclosing cover.
5. the tank inlet cover device that mazy type according to claim 2 is ventilative, is characterized in that: form tubular seat inside described enclosing cover, and described erection column to extend outward in this tubular seat and is provided with O RunddichtringO between this tubular seat end face and inner cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420222448.3U CN204126786U (en) | 2014-04-11 | 2014-04-30 | The tank inlet cover device that mazy type is ventilative |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420176342.4 | 2014-04-11 | ||
| CN201420176342 | 2014-04-11 | ||
| CN201420222448.3U CN204126786U (en) | 2014-04-11 | 2014-04-30 | The tank inlet cover device that mazy type is ventilative |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204126786U true CN204126786U (en) | 2015-01-28 |
Family
ID=52383149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420222448.3U Expired - Fee Related CN204126786U (en) | 2014-04-11 | 2014-04-30 | The tank inlet cover device that mazy type is ventilative |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204126786U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921673A (en) * | 2014-04-11 | 2014-07-16 | 重庆隆鑫机车有限公司 | Engine oil tank cover assembly |
| CN110626628A (en) * | 2018-06-22 | 2019-12-31 | 罗伯特·博世有限公司 | Device with a fuel tank, blow molding tool, and hand-held power tool |
| CN110816869A (en) * | 2019-12-06 | 2020-02-21 | 李红星 | Plant protection unmanned aerial vehicle basic station |
-
2014
- 2014-04-30 CN CN201420222448.3U patent/CN204126786U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921673A (en) * | 2014-04-11 | 2014-07-16 | 重庆隆鑫机车有限公司 | Engine oil tank cover assembly |
| CN110626628A (en) * | 2018-06-22 | 2019-12-31 | 罗伯特·博世有限公司 | Device with a fuel tank, blow molding tool, and hand-held power tool |
| CN110816869A (en) * | 2019-12-06 | 2020-02-21 | 李红星 | Plant protection unmanned aerial vehicle basic station |
| CN110816869B (en) * | 2019-12-06 | 2021-08-03 | 陕西蓝天上航空俱乐部有限公司 | Plant protection unmanned aerial vehicle basic station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20190430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |