CN205618481U - Inhale oil filter with check valve - Google Patents
Inhale oil filter with check valve Download PDFInfo
- Publication number
- CN205618481U CN205618481U CN201620340430.2U CN201620340430U CN205618481U CN 205618481 U CN205618481 U CN 205618481U CN 201620340430 U CN201620340430 U CN 201620340430U CN 205618481 U CN205618481 U CN 205618481U
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- check valve
- drain pan
- upper cover
- valve seat
- hydraulic fluid
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Abstract
The utility model discloses an inhale oil filter with check valve, include: drain pan, upper cover, filter core and check valve, the lower extreme of upper cover is connected to the drain pan upper end, and forms working space between drain pan and the upper cover, the filter core sets up inside working space to it is fixed by drain pan and upper cover, the drain pan lower extreme is provided with the inlet port, and the upper cover upper end is provided with motor -driven pump hydraulic fluid port and mechanical pump hydraulic fluid port respectively, the check valve sets up in the mechanical pump hydraulic fluid port. The utility model discloses an inhale oil filter with check valve has equitable, the applied convenient advantage of structural design, sets up the check valve through mechanical pump hydraulic fluid port in inhaling oil filter is inside, prevents that fluid from flowing backwards in mechanical oil pump, leads to the fact the reverse of mechanical oil pump, has prevented the damage of mechanical oil pump to derailleur hydraulic system's normal, high -efficient operation has been guaranteed.
Description
Technical field
This utility model relates to transmission pressure systems technology field, is specifically related to a kind of oil adsorption filter with check valve.
Background technology
While in city, automobile pollution quickly increases, automobile uses the problems such as the energy resource consumption brought, environmental pollution also to become the most notable.For the most serious problem of environmental pollution, the spatter property of motor vehicle exhaust emission the most more receives publicity.
Simultaneously, vehicle fuel consumption and the requirement of Abgasgesetz for reply increasingly stringent, each Automobile Enterprises all using energy-conserving and emission-cutting technology as the research direction of enterprise, wherein, hybrid vehicle is the most commercially shown up prominently because of its technical advantage and cost advantage.
In the technical scheme of hybrid vehicle, hybrid power double-clutch automatic gearbox can be used to be operated, and parallel manipulator oil pump and electronic oil pump on double clutch, select with the power that this realizes hybrid vehicle.Meanwhile, connect mechanical oil pump by oil adsorption filter and electronic oil pump carries out filtering process to oil, it is ensured that the oil of internal system has more preferable operating characteristic.
But, due in hybrid power double-clutch automatic gearbox, when mechanical oil pump and electronic oil pump work at the same time, oil adsorption filter is only simply to be connected on oil pump, and mechanical pump hydraulic fluid port interconnects with electrodynamic pump hydraulic fluid port, the hydraulic oil of electrodynamic pump is as easy as rolling off a log to be entered by mechanical pump hydraulic fluid port, mechanical pump can be driven further to invert, affect the normal operation of oil pump, mechanical pump is caused bigger power loss and impact, even affect its performance and used life, reduce service behaviour and the efficiency of transmission pressure system.
Therefore, one how is designed simple and reasonable for structure, it is possible to the significantly more efficient oil adsorption filter preventing hydraulic oil from flowing backwards just becomes thing urgently to be resolved hurrily.
Utility model content
For solving problems of the prior art, this utility model provides a kind of oil adsorption filter with check valve, and it has simple in construction, advantage reasonable in design.
The technical solution of the utility model is:
A kind of oil adsorption filter with check valve, it is characterised in that including: drain pan, upper cover, filter element and check valve；
Drain pan upper end connects the lower end of upper cover, and forms work space between drain pan and upper cover；
Filter element is arranged at inside work space, and is fixed by drain pan and upper cover；
Drain pan lower end is provided with inlet port, and upper cover upper end is respectively arranged with electrodynamic pump hydraulic fluid port and mechanical pump hydraulic fluid port；
Check valve is arranged in mechanical pump hydraulic fluid port.
Preferably, check valve includes: valve seat, spool and spring；Valve seat lower end is internally provided with limited block, and valve seat upper end is internally provided with between fixture block, and fixture block and valve seat formation draw-in groove；Spool is arranged at inside valve seat, and is provided with the valve seat lower ending opening diameter diameter less than spool of limited block；Spring one end connects draw-in groove, and the other end connects spool.
It is further preferred that valve seat and described limited block, fixture block integrated molding.
It is further preferred that spool is spherical or taper.
The oil adsorption filter with check valve of the present utility model has reasonable in design, applies convenient advantage, by arranging check valve inside mechanical pump hydraulic fluid port in oil adsorption filter, prevent fluid from flowing backwards in mechanical oil pump, cause the reverse of mechanical oil pump, prevent the damage of mechanical oil pump, and ensure that normal, the Effec-tive Function of transmission pressure system.
Accompanying drawing explanation
Fig. 1 is the structure sectional view that this utility model has the oil adsorption filter of spherical valve core check valve.
Fig. 2 is the structure sectional view that this utility model has the oil adsorption filter of taper valve core check valve.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
As shown in Figure 1 and Figure 2, each reference in figure is specifically, 1 is drain pan, and 2 is upper cover, and 3 is filter element, and 11 is inlet port, and 21 is electrodynamic pump hydraulic fluid port, and 22 is mechanical pump hydraulic fluid port, and 221 is spool, and 222 is valve seat, and 223 is spring.
The oil adsorption filter with check valve of the present embodiment, has specifically included: drain pan 1, upper cover 2, filter element 3 and check valve.
It is specifically described below with reference to the oil adsorption filter with check valve in Fig. 1, Fig. 2.
The upper end of drain pan 1 is connected with each other with the lower end of upper cover 2, and, there is the space of fluid flowing in the inside of drain pan 1 and upper cover 2, after drain pan 1 is connected with upper cover 2, to be formed with work space between drain pan 1 and upper cover 2, this work space is cleaner and carries out the work space of oil filter process.
Filter element 3 is arranged on the bosom of work space, filter element 3 has the size identical with the lower ending opening of the upper end open of drain pan 1 or upper cover 2 simultaneously, while drain pan 1 is connected with each other with upper cover 2, filter element 3 can be compressed and be fixed on the centre of the inside of work space by its junction, in order to realize the fluid within work space is carried out filtering process by filter element 3.
Meanwhile, the lower end of drain pan 1 is provided with inlet port, is i.e. not connected with at drain pan 1 on one end of upper cover 2 being provided with inlet port, by inlet port, oil is sucked inside work space, in order to carry out filtering process by filter element.
Upper cover 2 is respectively arranged with electrodynamic pump hydraulic fluid port 21 and mechanical pump hydraulic fluid port 22, in order to connect electrodynamic pump by electrodynamic pump hydraulic fluid port 21, connects mechanical pump by mechanical pump hydraulic fluid port 22, it is achieved be delivered to the fluid after filtering processes in pump machine be operated.
It is additionally provided with check valve in the inside of mechanical pump hydraulic fluid port 22, by the setting of check valve, carry out flowing to limit to by the fluid of mechanical pump hydraulic fluid port 22, make the work space being only capable of being made up of drain pan 1 and upper cover 2 by the fluid of mechanical pump hydraulic fluid port 22 to mechanical pump hydraulic fluid port 22 flows outside, prevent the hydraulic oil after flowing out mechanical pump hydraulic fluid port 22 from refluence phenomenon occurring with this, it is back to mechanical pump hydraulic fluid port 22 internal, causes the reversion of mechanical pump, damage mechanical pump.
Further, check valve can further include spool 221, valve seat 222 and spring 223.
Wherein, spool 221 and spring 223 are separately positioned on the inside of valve seat 222, and valve seat 222 is connected to the inside of mechanical pump hydraulic fluid port 22.
Valve seat 222 has the structure of hollow, and it is provided with limited block at the lower ending opening of valve seat 222, prevent being arranged at the spool 221 within valve seat 222 by this limited block and depart from valve seat 222, and it is provided with fixture block at the upper end open of valve seat 222, fixture block is provided with step on the one end being connected with valve seat 222, make fixture block thinner than the thickness of the fixture block other end towards the thickness of one end of valve seat 222, fixture block is connected by this structure with valve seat 222 after, before fixture block with valve seat 222, it is formed with draw-in groove, and valve seat 222 is after connecting fixture block.
Spool 221 is arranged on the inside of valve seat 222, to carry out the fluid flowing into check valve flowing to limit, and the diameter of spool 221 can be equal with the inside diameter of valve seat 222, so as to make that spool 221 and valve seat 222 connect is tightr, prevent fluid reverse flow, simultaneously, owing to the upper end open of valve seat 222 is internal and is connected to fixture block and limited block inside lower ending opening, make the upper end open of valve seat 222 and the diameter of lower ending opening by the diameter less than spool 221, also will prevent the spool 221 from skidding off valve seat 222, it is to avoid check valve cannot normally work.
One end of spring 223 is connected in the fluting that valve seat 222 and fixture block are constituted, so as the most fixing spring 223, and the other end of spring 223 connects spool 221, spacing with will pass through that spring 223 realizes spool 221, prevent fluid flow from cannot set back after crossing ambassador's spool 221 displacement, failure of check valve, impact is caused to limit the work that fluid flows to.
Further, in check valve, spool 221 can be specifically configured to spherical or taper.
Wherein, spherical spool 221 can be set directly at the inside of valve seat 222, in order to the normal work of check valve；And the spool 222 of taper, when spool 221 being arranged on the inside of valve seat 222, should be noted that taper is had the lower end towards valve seat 222, the cuspidated one end, taper has one end of plane and is then placed in the inside of valve seat 222, in order to check valve can normally work.
Further, there is the spool 221 of pyramidal structure, its pyramidal structure specially one end has pyramidal structure, the other end has cylindrical structural, inside valve seat 222, spool 221 is supported will pass through the one end in pyramidal structure with cylindrical structural, prevent at fluid through check valve, fluid the spool 221 with pyramidal structure is promoted displacement and cannot the problem of homing.
Further, in check valve, spool 221 can be fixed by the way of mechanical position limitation, and check valve also can be fixed on the inside of mechanical pump hydraulic fluid port 22 by the way of mechanical position limitation.
Further, check valve can be fixed on the inside of mechanical pump hydraulic fluid port 22 by the way of interference fit.
The specific works process of the oil adsorption filter with check valve in the present embodiment is as follows:
Fluid flow direction in the cleaner such as direction flowing of arrow indication in Fig. 1 in the present embodiment, and in the present embodiment, the specific works flow process of cleaner is as follows:
In double-clutch automatic gearbox hydraulic system, due to mechanical pump and the high-speed rotary of electrodynamic pump then make the internal vacuum space that local occurs of cleaner, fluid is produced certain suction, and the inlet port 11 making fluid pass through to arrange on drain pan 1 enters inside cleaner, and after the primary filter of filtration core 3, a part of fluid is by entering mechanical pump after being arranged at the check valve within mechanical pump hydraulic fluid port 22, and another part fluid then enters electrodynamic pump by electrodynamic pump hydraulic fluid port 21.
Wherein, construction features due to check valve, the fluid by check valve is made to be only capable of flowing from bottom to top, and due to mechanical pump during running up produced by bigger partial vacuum, the spring force that the thrust that check valve is subject to applies more than spring 223, so that check valve is opened, fluid can be circulated by check valve, and enter in mechanical pump, generate hydraulic oil and be operated.
And when fluid generation reverse flow, the thrust of the reverse flow fluid owing to being subject on check valve will promote closed check valve, and make the fluid can not be the most through-flow, just can control the flow direction of fluid through primary filter with this, prevent the backflow of fluid from hydraulic system being had a negative impact.
The oil adsorption filter with check valve of the present utility model has reasonable in design, applies convenient advantage, by arranging check valve inside mechanical pump hydraulic fluid port in oil adsorption filter, prevent fluid from flowing backwards in mechanical oil pump, cause the reverse of mechanical oil pump, prevent the damage of mechanical oil pump, and ensure that normal, the Effec-tive Function of transmission pressure system.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; on the premise of without departing from this utility model know-why; can also make and be suitably modified and deform, these improve and deformation also should be regarded as protection domain of the present utility model.
Claims (4)
1. an oil adsorption filter with check valve, it is characterised in that including: drain pan, upper cover, filter element and check valve；
Described drain pan upper end connects the lower end of described upper cover, and forms work space between described drain pan and upper cover；
Described filter element is arranged at inside described work space, and is fixed by described drain pan and upper cover；
Described drain pan lower end is provided with inlet port, and described upper cover upper end is respectively arranged with electrodynamic pump hydraulic fluid port and mechanical pump hydraulic fluid port；
Described check valve is arranged in described mechanical pump hydraulic fluid port.
The oil adsorption filter with check valve the most according to claim 1, it is characterised in that
Described check valve includes: valve seat, spool and spring；
Described valve seat lower end is internally provided with limited block, and described valve seat upper end is internally provided with between fixture block, and described fixture block and described valve seat formation draw-in groove；
Described spool is arranged at inside described valve seat, and is provided with the described valve seat lower ending opening diameter diameter less than described spool of described limited block；
Described spring one end connects described draw-in groove, and the other end connects described spool.
The oil adsorption filter with check valve the most according to claim 2, it is characterised in that
Described valve seat and described limited block, fixture block integrated molding.
The oil adsorption filter with check valve the most according to claim 2, it is characterised in that
Described spool is spherical or taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620340430.2U CN205618481U (en) | 2016-04-21 | 2016-04-21 | Inhale oil filter with check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620340430.2U CN205618481U (en) | 2016-04-21 | 2016-04-21 | Inhale oil filter with check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618481U true CN205618481U (en) | 2016-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620340430.2U Active CN205618481U (en) | 2016-04-21 | 2016-04-21 | Inhale oil filter with check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205618481U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500396A (en) * | 2019-06-27 | 2019-11-26 | 安徽省锦瑞汽车部件有限公司 | A kind of novel oil absorption filter |
| CN111432907A (en) * | 2017-10-18 | 2020-07-17 | 费尔特兰有限责任公司 | Anti-drainback valve, flexible tube assembly including the same, and dual outlet fluid filter including the same |
| CN112240388A (en) * | 2019-07-18 | 2021-01-19 | 丰田自动车株式会社 | Vehicle oil supply device |
-
2016
- 2016-04-21 CN CN201620340430.2U patent/CN205618481U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111432907A (en) * | 2017-10-18 | 2020-07-17 | 费尔特兰有限责任公司 | Anti-drainback valve, flexible tube assembly including the same, and dual outlet fluid filter including the same |
| KR20200105813A (en) * | 2017-10-18 | 2020-09-09 | 필트란, 엘엘씨 | Reverse discharge prevention valve, curved pipe assembly including the same, and dual outlet fluid filter including the same |
| JP2021500514A (en) * | 2017-10-18 | 2021-01-07 | フィルトラン・エルエルシー | Drainback prevention valve, flexible tube assembly containing it, and two-outlet fluid filter containing it |
| JP7329508B2 (en) | 2017-10-18 | 2023-08-18 | フィルトラン・エルエルシー | Anti-drainback valve, flexible tube assembly including same, and dual outlet fluid filter including same |
| KR102719283B1 (en) * | 2017-10-18 | 2024-10-17 | 필트란, 엘엘씨 | A reverse discharge prevention valve, a bent pipe assembly comprising the same, and a dual outlet fluid filter comprising the same |
| CN110500396A (en) * | 2019-06-27 | 2019-11-26 | 安徽省锦瑞汽车部件有限公司 | A kind of novel oil absorption filter |
| CN112240388A (en) * | 2019-07-18 | 2021-01-19 | 丰田自动车株式会社 | Vehicle oil supply device |
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