CN203906414U - Automobile steering oilcan - Google Patents
Automobile steering oilcan Download PDFInfo
- Publication number
- CN203906414U CN203906414U CN201420278194.7U CN201420278194U CN203906414U CN 203906414 U CN203906414 U CN 203906414U CN 201420278194 U CN201420278194 U CN 201420278194U CN 203906414 U CN203906414 U CN 203906414U
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- Prior art keywords
- air flue
- sealing
- circular protrusion
- annular
- ring
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Abstract
The utility model discloses an automobile steering oilcan. A rubber sealing piece is arranged between an oilcan body and an oilcan cover and is in a shape of a cylinder with the bottom, the bottom of the sealing piece is located in the oilcan body, the disk edge is formed at the opening end, and the opening end is tightly pressed between an opening of the oilcan body and the oilcan cover. Annular air passages and annular protrusions are arranged on the surface of the disk edge, the annular protrusion on the innermost side is provided with an air passage inlet, and the annular protrusion on the outermost side is provided with an air passage outlet; air passage communication openings for being communicated with adjacent annular air passages are formed in the annular protrusion in the middle; a through hole for being communicated with an inner cavity of the sealing piece and an inner cavity of the oilcan body is formed in the bottom of the sealing piece. An inner-layer annular protrusion is formed by the bottom of the inner edge of the sealing piece upwards, and an annular passage is formed between the inner-layer annular protrusion and the tubular outer wall of the sealing piece. A gap is reserved between the position, located in the annular passage of the sealing piece, of an inner barrel of the oilcan cover and the bottom of the annular passage. By means of the automobile steering oilcan, a long overflowing path is designed, and the overflowing difficulty is increased; meanwhile, oil gas is easily coagulated to be in the liquid state to flow back in the overflowing process, and oil gas overflowing is greatly reduced.
Description
Technical field
The utility model relates to Automotive Steering Technology, specifically refers to the good automobile steering oil pot of a kind of sealing, belongs to Automotive Steering Technology field.
Background technique
In order to make vehicle steering wheel operation easily, turn to flexibly, automobile steering system is provided with hydraulic booster system.Hydraulic booster system, for meeting the oily demand of system, is provided with power-assisted steering oil can, turns to oil can be arranged in automobile cabin.Turn to oil can in use, need to communicate with atmosphere, to maintain kettle internal and external pressure balance, fluid just can be pumped like this, and realization circulates.In oil can, fluid pumping (backflow) because of oil pump when engine operation can produce violent stirring and rolling, can leak into outside oil can by the passage along between oil can and atmosphere, cause fluid loss, not only pollute cabin environment, and cause hard steering when excessive running off, steering system abnormal sound, affects steering operation.
Model utility content
For the fluid easy to leak in oil can that turns to of prior art existence, thus the deficiency that impact turns to, and the purpose of this utility model is to provide a kind of automobile steering oil pot that can effectively stop fluid seepage.
To achieve these goals, the technical solution adopted in the utility model is such:
An automobile steering oil pot, comprises kettle body and pot lid, is provided with the Sealing of quality of rubber materials between kettle body and pot lid, Sealing is the cylinder-like structure end of with, Sealing opening end turns up and forms rim, and Sealing bottom is positioned at kettle body, and rim is pressed between kettle body oral area and pot lid; Surface, rim is provided with ring-type air flue, ring-type air flue both sides self-assembling formation circular protrusion, described ring-type air flue is to have phase concentric but the different N road of diameter, N is >=1 natural number, corresponding circular protrusion WeiN+1 road being provided with air flue entrance on the circular protrusion of inner side, is provided with air flue outlet on outermost circular protrusion, air flue entrance inner side ring-type air flue communicates with Sealing inner chamber, and air flue exports outermost ring-type air flue is communicated with atmosphere; In more intermediate annular projections all between interior outside, be provided with the air flue connecting port that adjacent ring-type air flue is communicated with; In Sealing bottom, be provided with the through hole that Sealing inner chamber is communicated with kettle body intracavity.
Between air flue entrance and air flue connecting port, between adjacent air flue connecting port and between the gentle road outlet of air flue connecting port, stagger respectively 180 °.
Described ring-type air flue bottom level raises from inside to outside gradually, facilitates fluid to reflux.
In described Sealing, upwards form an internal layer circular protrusion along bottom, between internal layer circular protrusion and Sealing cylindrical outer wall, form annular channel, the through hole of Sealing bottom is positioned at annular channel bottom; In internal layer circular protrusion bottom, be provided with the duct that annular channel is communicated with internal layer circular protrusion inner chamber; At pot lid, towards that face of kettle body, be provided with the inner core that is positioned at cover rim, pot lid inner core is positioned at Sealing ring-type passage and leaves gap with annular channel bottom; Gap is also left in internal layer circular protrusion and pot lid bottom surface; And internal layer circular protrusion upper end height is higher than inner core lower end height.Downward during inner core assembling, inner core further reduces the craspedodrome passage of air-flow, and lengthens air-flow path length, increases the adsorption area of fine oil droplet simultaneously, and oily vapour more easily condenses into liquid state on large-area inner core.And the fine oil droplet of absorption can be back in oil can after rolling up larger oil droplet under Action of Gravity Field, reduce oil gas and overflow.
In Sealing bottom centre, be provided with a umbo, umbo is provided with center hole so that Sealing inner chamber is communicated with kettle body intracavity, this center hole guarantees overflowing of oil gas, and the suction of outside air when bottom return port (being the through hole of annular channel bottom) is stifled by oil sealing.
The annular channel bottom of described Sealing is recessed arc, and through hole is positioned at the extreme lower position of curved annular passage, and the fluid that is more conducive to like this condensation is back in kettle body by through hole.
For preventing that pot lid inner hole wall squeeze sealing member from causing radially air flue by shutoff, to be provided with the axial air flue that exports corresponding connection with air flue on the circumference wall of Sealing rim, guarantees unimpeded.
Compared to existing technology, the utlity model has following beneficial effect:
1, oil gas will overflow, and need to enter by the center hole on umbo Sealing inner chamber, due to stopping of pot lid inner core, rise again in need to detour annular channel bottom, by air flue entrance, enter ring-type air flue, ring-type air flue is two circles, by rear last could discharge by air flue outlet; Therefore this structural design longer overflow path, oil gas and fluid only have all and just can overflow after this paths, oil gas strength in the overflow process in long path can be subject to very large consumption, has increased and has overflowed difficulty, makes fluid be difficult to overflow.
2, because pot lid inner core, Sealing outer wall and internal layer circular protrusion all have larger surface area, oil gas is contact with it in excessive process, large-area contact can make the oil gas overflowing more easily condense into liquid state, and be deposited on bottom annular channel, through hole by bottom refluxes, and greatly reduces oil gas and overflows.
Accompanying drawing explanation
Fig. 1-the utility model pot lid and Sealing are in conjunction with schematic diagram (for outstanding inventive point of the present utility model, omitted kettle body and divided) in figure.
Fig. 2-the utility model seal configuration schematic diagram.
Fig. 3-the utility model pot lid structural representation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1-Fig. 3, from scheming, can find out, the utility model automobile steering oil pot, comprise kettle body and pot lid 1, between kettle body and pot lid, be provided with the Sealing 2 of quality of rubber materials, (especially referring to Fig. 2) Sealing 2 is the cylinder-like structure end of with, and Sealing opening end turns up and forms rim 3(as flange plate-like), Sealing bottom is positioned at kettle body, and rim is pressed between kettle body oral area and pot lid.3 surfaces, rim are provided with ring-type air flue 4, ring-type air flue 4 both sides self-assembling formation circular protrusions 5.Described ring-type air flue 4 is for to have phase concentric but the different N road of diameter, N is >=1 natural number, corresponding circular protrusion 5 WeiN+1 roads, on the circular protrusion of inner side, be provided with air flue entrance 6, on outermost circular protrusion, be provided with air flue outlet 7, air flue entrance inner side ring-type air flue communicates with Sealing inner chamber, and air flue exports outermost ring-type air flue is communicated with atmosphere.In more intermediate annular projections all between interior outside, be provided with the air flue connecting port 8 that adjacent ring-type air flue is communicated with.In Sealing 2 bottoms, be provided with the through hole 9 that Sealing inner chamber is communicated with kettle body intracavity.
Ring-type air flue can arrange multiple tracks according to rim size, and theoretical upper track number is more, and oil gas overflow path is longer, and oil gas is more not easy to overflow.The utility model embodiment ring-type air flue is inside and outside twice, and corresponding circular protrusion is three roads, interior China and foreign countries.
The utility model is in order to extend oil gas overflow path, between air flue entrance 6 and air flue connecting port 8, between adjacent air flue connecting port 8 and the several angle that staggers respectively between air flue connecting port 8 gentle road outlet 7, preferably 180 °, sees Fig. 2.Ring-type air flue bottom level raises from inside to outside gradually simultaneously, facilitates the fluid of condensation to reflux.
For preventing that pot lid inner hole wall squeeze sealing member from causing radially air flue by shutoff, to be provided with the axial air flue 10 that exports 7 corresponding connections with (radially) air flue on the 3 circumference walls of Sealing rim, guarantees unimpeded.
Referring to Fig. 2, the interior internal layer circular protrusion 11 that upwards forms along bottom of described Sealing 2, forms annular channel 12 between internal layer circular protrusion 11 and Sealing cylindrical outer wall, and the through hole 9 of Sealing bottom is positioned at annular channel 12 bottoms.In Sealing 2 bottom centre, be provided with a umbo 13, between umbo upper end and pot lid, leave gap.Umbo 13 is provided with axial center hole 14 so that Sealing inner chamber is communicated with kettle body intracavity, and this center hole guarantees overflowing of oil gas, and communicates with outside air when bottom return port (being the through hole of annular channel bottom) is stifled by oil sealing.In internal layer circular protrusion bottom, be provided with the duct that annular channel is communicated with internal layer circular protrusion inner chamber.Because the fluid that oil gas condensation forms may be deposited in internal layer circular protrusion inner chamber, if do not establish duct, this fluid will be deposited in internal layer circular protrusion inner chamber always.Arrange behind duct, just can flow in annular channel and by the through hole bottom annular channel and be back in kettle body.
The through hole of the center hole on the utility model umbo and annular channel bottom may be used to and atmospheric equilibrium, is also the passage that oil gas overflows.Due to structural design, the fluid of condensation can only reflux by the through hole of annular channel bottom, and can not reflux by the center hole on umbo, and in this sense, the through hole of annular channel bottom also can be referred to as return port.Owing to there being fluid to reflux, so communicate with atmosphere, realize internal and external equilibrium and by the center hole on umbo, complete more, oil gas overflows main by the center hole on umbo.In order to reduce oil gas or fluid overflows, the utility model is designed to cone structure by the center hole on umbo, and center hole up dwindles gradually, and even in upper end, sudden change forms bottleneck.Lower end bore is large, and hole wall surface is long-pending corresponding also large, except can stopping that fluid splashes, also easily makes oil gas condensation form drop and refluxes.
Referring to Fig. 3, at pot lid 1, towards that face of kettle body, be provided with the inner core 15 that is positioned at cover rim, pot lid inner core 15 is positioned at Sealing ring-type passage 12 and leaves gap with annular channel bottom; Gap is also left in internal layer circular protrusion and pot lid bottom surface; And internal layer circular protrusion 11 upper end height are higher than inner core 15 lower end height.Downward during inner core assembling, inner core further reduces the craspedodrome passage of air-flow, and lengthens air-flow path length, increases the adsorption area of fine oil droplet simultaneously, and oily vapour more easily condenses into liquid state on large-area inner core.And the fine oil droplet of absorption can be back in oil can after rolling up larger oil droplet under Action of Gravity Field, reduce oil gas and overflow.
Annular channel 12 bottoms of described Sealing are recessed arc, and through hole 9 is positioned at the extreme lower position of curved annular passage 12, and the fluid that is more conducive to like this condensation is back in kettle body by through hole.
The utility model has designed longer overflow path and has formed mazy type, oil gas will overflow, need to enter by the center hole on umbo Sealing inner chamber, due to stopping of pot lid inner core, rise again in need to detour annular channel bottom, by air flue entrance, enter ring-type air flue, ring-type air flue is two circles, by rear last could discharge by air flue outlet.Oil gas and fluid only have all and just can overflow after this paths, and oil gas strength in the overflow process in so long path will inevitably be subject to very large consumption, has increased and has overflowed difficulty, makes fluid be difficult to overflow.
Except path length, on the other hand, because pot lid inner core, Sealing outer wall and internal layer circular protrusion all have larger surface area, oil gas is contact with it in excessive process, large-area contact can make the oil gas overflowing more easily condense into liquid state, and being deposited on annular channel bottom, the through hole by bottom refluxes, and greatly reduces oil gas and overflows.
In a word, the utility model is limiting under the physical condition of oil can volume, consider breathing between the expanding with heat and contract with cold of fluid, fluid vigorous agitation and rolling, needs and atmosphere etc., make full use of the elasticity of rubber seal, from structure, meet its adaptive capacity to space acute variation, from increasing oil gas overflow path and accelerating condensation two aspects and start with, pot lid is become to mystery palace structure with seal combination, fully guarantee that fluid does not ooze out, and reducing to greatest extent oily vapour loss, assurance steering system is normally worked.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (7)
1. automobile steering oil pot, comprise kettle body and pot lid, it is characterized in that: the Sealing that is provided with quality of rubber materials between kettle body and pot lid, Sealing is the cylinder-like structure end of with, Sealing opening end turns up and forms rim, Sealing bottom is positioned at kettle body, and rim is pressed between kettle body oral area and pot lid; Surface, rim is provided with ring-type air flue, ring-type air flue both sides self-assembling formation circular protrusion, described ring-type air flue is to have phase concentric but the different N road of diameter, N is >=1 natural number, corresponding circular protrusion WeiN+1 road being provided with air flue entrance on the circular protrusion of inner side, is provided with air flue outlet on outermost circular protrusion, air flue entrance inner side ring-type air flue communicates with Sealing inner chamber, and air flue exports outermost ring-type air flue is communicated with atmosphere; In more intermediate annular projections all between interior outside, be provided with the air flue connecting port that adjacent ring-type air flue is communicated with; In Sealing bottom, be provided with the through hole that Sealing inner chamber is communicated with kettle body intracavity.
2. automobile steering oil pot according to claim 1, is characterized in that: between air flue entrance and air flue connecting port, between adjacent air flue connecting port and stagger respectively 180 ° between the gentle road outlet of air flue connecting port.
3. automobile steering oil pot according to claim 2, is characterized in that: described ring-type air flue bottom level raises from inside to outside gradually, facilitates fluid to reflux.
4. according to the automobile steering oil pot described in claim 1 or 2 or 3, it is characterized in that: in described Sealing, along bottom, upwards form an internal layer circular protrusion, between internal layer circular protrusion and Sealing cylindrical outer wall, form annular channel, the through hole of Sealing bottom is positioned at annular channel bottom; In internal layer circular protrusion bottom, be provided with the duct that annular channel is communicated with internal layer circular protrusion inner chamber; At pot lid, towards that face of kettle body, be provided with the inner core that is positioned at cover rim, pot lid inner core is positioned at Sealing ring-type passage and leaves gap with annular channel bottom; Gap is also left in internal layer circular protrusion and pot lid bottom surface; And internal layer circular protrusion upper end height is higher than inner core lower end height.
5. automobile steering oil pot according to claim 4, is characterized in that: in Sealing bottom centre, be provided with a umbo, umbo is provided with center hole so that Sealing inner chamber is communicated with kettle body intracavity.
6. automobile steering oil pot according to claim 4, is characterized in that: the annular channel bottom of described Sealing is recessed arc, and through hole is positioned at the extreme lower position of curved annular passage.
7. automobile steering oil pot according to claim 4, is characterized in that: on the circumference wall of Sealing rim, be provided with the axial air flue with the corresponding connection of air flue outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420278194.7U CN203906414U (en) | 2014-05-28 | 2014-05-28 | Automobile steering oilcan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420278194.7U CN203906414U (en) | 2014-05-28 | 2014-05-28 | Automobile steering oilcan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906414U true CN203906414U (en) | 2014-10-29 |
Family
ID=51780697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420278194.7U Expired - Fee Related CN203906414U (en) | 2014-05-28 | 2014-05-28 | Automobile steering oilcan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006010A (en) * | 2014-05-28 | 2014-08-27 | 力帆实业(集团)股份有限公司 | Automobile steering oil pot |
-
2014
- 2014-05-28 CN CN201420278194.7U patent/CN203906414U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006010A (en) * | 2014-05-28 | 2014-08-27 | 力帆实业(集团)股份有限公司 | Automobile steering oil pot |
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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: 20141029 Termination date: 20210528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |