CN205504095U - Check valve, gearbox and car - Google Patents

Check valve, gearbox and car Download PDF

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Publication number
CN205504095U
CN205504095U CN201620181281.XU CN201620181281U CN205504095U CN 205504095 U CN205504095 U CN 205504095U CN 201620181281 U CN201620181281 U CN 201620181281U CN 205504095 U CN205504095 U CN 205504095U
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CN
China
Prior art keywords
check valve
cavity
valve
inlet
oil pump
Prior art date
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Active
Application number
CN201620181281.XU
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Chinese (zh)
Inventor
袁敏刚
邱洪祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inner Mongolia Oed Engine Co ltd
Tianjin Huatai Auto Body Co ltd
Original Assignee
Inner Mongol Ou Yide Engine Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Priority to CN201620181281.XU priority Critical patent/CN205504095U/en
Application granted granted Critical
Publication of CN205504095U publication Critical patent/CN205504095U/en
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Anticipated expiration legal-status Critical

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Abstract

The utility model provides a check valve, gearbox and car. The utility model discloses an install the gearbox including oil pump and hydro -cylinder on the car, be connected with respectively between oil pump and hydro -cylinder including the first pipeline of first choke valve and including the second pipeline of check valve. The first end of the cavity in the valve body of this check valve passes through the liquid outlet to be connected with the hydro -cylinder, and the second end of cavity has spheroidal appearance chamber to feed through in holding of its one side with setting up, inlet and oil pump connection that the appearance chamber was offered on through the valve body. Above -mentioned spheroidal diameter is greater than the diameter of inlet. The utility model provides a check valve, gearbox and car, the cooperation through spheroid in the check valve and inlet realizes the control to flow directn, simple structure and not perishable.

Description

Check valve, change speed gear box and automobile
Technical field
This utility model relates to a kind of check valve, change speed gear box and automobile, belongs to field of automobile.
Background technology
Check valve is generally used in fluid pipeline preventing liquid reverse flow, or anti-in pneumatic system Only compressed gas reverse flow.
Check valve of the prior art generally comprises: the compression spring that is arranged in valve cavity and with compression The flap that spring is fixing, the liquid only flowed along some direction or compressed gas could promote compression Spring-compressed thus open flap to realize the one-way flow of liquid or compressed gas.
But, this check valve of prior art needs to use spring, and structure is complicated, and due to spring Two ends need fix with flap and valve body respectively, therefore, be easy in the junction of both ends of the spring occur Electrochemical corrosion.
Utility model content
This utility model provides a kind of check valve, change speed gear box and automobile, also solves the check valve of prior art Structure is complicated, hold corrosion-prone problem.
A kind of check valve, including: valve body and spheroid;Inlet and liquid outlet is offered on described valve body, Being formed with into valve pocket in described valve body, described valve pocket includes cavity and cavity volume;Described cavity is thick along valve body Degree direction extends, and the first end of described cavity connects with described liquid outlet, and described cavity volume is positioned at described cavity The side of the second end, and connect with the second end of described cavity;Described cavity volume connects with described inlet, And accommodate spheroid in described cavity volume;The diameter of described spheroid is more than the diameter of described inlet.
The further improvement of above-mentioned check valve, described cavity volume has a spherical sidewall, and described spherical sidewall First edge extends to by described inlet, the second edge of described spherical sidewall and the sidewall of described cavity Connect.
The check valve that this utility model provides, accommodates spheroid by arranging cavity volume at valve body liquid feeding end, thus Can realize the function of unidirectional feed liquor by coordinating of spheroid and inlet, structure is the simplest;And ball Body can be the most movable in cavity volume, it is not easy to corrosion.
A kind of change speed gear box, including: oil pump and oil cylinder;The first pipe is connected respectively between described oil pump and oil cylinder Road and second pipe;Described first pipeline includes that first throttle valve, described second pipe include as mentioned above Check valve, the inlet of described check valve connects described oil pump, and the liquid outlet of described check valve connects institute State oil cylinder.
The further improvement of above-mentioned change speed gear box, the second pipe between inlet and the oil pump of described check valve On be additionally provided with second throttle.
The further improvement of above-mentioned change speed gear box, the second pipe between liquid outlet and the oil cylinder of described check valve On be additionally provided with second throttle.
A kind of automobile, described automobile is provided with change speed gear box as above.
Check valve, change speed gear box and the automobile that this utility model provides, by spheroid in check valve and inlet Cooperation realize the control in convection cell direction, simple in construction and the most perishable.Further, by oil pump With connection includes the first pipeline of first throttle valve and includes the second pipe of check valve between oil cylinder, from And change speed gear box during oil-feed and oil return clutch-plate hold tightly and separation tends to be steady, and then make automobile Gearshift more smooth out.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of the check valve given by this utility model embodiment;
Fig. 2 is the oil channel structures schematic diagram of the change speed gear box given by this utility model embodiment.
In figure:
1, check valve;11, valve body;
111, cavity;113, cavity volume;
115, inlet;117, liquid outlet;
13, spheroid;2, first throttle valve;
3, oil pump;4, oil cylinder;
5, second throttle.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
In this utility model, the noun of locality " upper and lower, left and right " of use is not if making contrary explanation, Generally refer to " upper and lower, left and right " with reference to accompanying drawing, but, it will be understood by a person skilled in the art that Using the above-mentioned noun of locality merely to the description to detailed description of the invention is easier, it is not to this reality With novel concrete restriction.
The similar words such as " first ", " second " used in this utility model, are not offered as any spy Different order or importance, they are only intended to identify discrete component and make description of the present utility model more Add and understand simplicity.
Fig. 1 is the partial sectional view of check valve.As it is shown in figure 1, the check valve 1 that the present embodiment provides, Including: valve body 11 and spheroid 13.Offer on valve body 11 for feed liquor inlet 115 and for Go out the liquid outlet 117 of liquid.Valve body 11 is internally formed the valve pocket flowed for liquid.Concrete, this valve pocket Including cavity 111 and the cavity volume 113 that accommodates spheroid 13, wherein, cavity 111 along the vertical direction (that is, The thickness direction of valve body 11) extend, cavity volume 113 is arranged on right side and the cavity volume 113 of cavity 111 upper end Connect with the upper end of cavity 111.The lower end of cavity 111 connects with liquid outlet 117, cavity volume 113 upper End connects with inlet 115.Further, the diameter of spheroid 13 is more than the diameter of inlet 115, so that Obtain spheroid 13 and can block inlet 115.
The operation principle of this check valve 1 is: the fluid such as liquid or compressed gas flows into from liquid feeding end direction Time, the fluid of inflow check valve 1 applies downward pressure to spheroid 13 at inlet 115 thus promotes Spheroid 13 moves toward away from inlet 115 direction, so, and will between spheroid 13 and inlet 115 Gap occurs, so that fluid flows in cavity volume 113 at gap, and flows into cavity 111 through cavity volume 113 Check valve 1 is flowed out afterwards at the liquid outlet 117 being connected with cavity 111 lower end.And when fluid is from liquid outlet When direction flows into, the fluid entering cavity volume 113 after liquid outlet 117 flows through cavity 111 can be to spheroid 13 Apply thrust upwards thus promote spheroid 13 to move toward near inlet 115 direction, so, will make Inlet 115 is blocked by spheroid 13 completely, and then fluid cannot be flowed out from inlet 115.
The check valve 1 of the present embodiment, accommodates spheroid 13 by arranging cavity volume 113 at valve body 11 liquid feeding end, Such that it is able to by the function coordinating to realize unidirectional feed liquor of spheroid 13 with inlet 115, structure is very Simply;And spheroid 13 can be the most movable in cavity volume 113, does not the most just have junction point with valve body 11, Thus be not easy to be etched electrochemically.
Further, cavity volume 113 is made up of the spherical sidewall of valve body 11, and the first edge of this spherical sidewall prolongs Extending inlet 115 other, the second edge of spherical sidewall is connected with the sidewall of cavity 111.By above-mentioned Arrange, the shape of cavity volume 113 can be made preferably to coordinate with spheroid.
Fig. 2 is the oil channel structures schematic diagram of change speed gear box.As in figure 2 it is shown, the present embodiment also provides for a kind of change Speed case, including: oil pump 3 and oil cylinder 4.Connect between oil pump 3 and oil cylinder 4 and have the first pipeline and the Two pipelines, wherein, the first pipeline includes first throttle valve 2, and second pipe includes above-mentioned check valve 1.Should The inlet 115 of check valve 1 connects oil pump 3, and the liquid outlet 117 of this check valve 1 then connects oil cylinder 4.
The work process of above-mentioned change speed gear box is: during oil-feed, and hydraulic oil is pumped out by oil pump 3, respectively from first Pipeline flows into oil cylinder 4 through first throttle valve 2 and from second pipe through check valve 1, thus promotes oil cylinder In piston movement to hold clutch-plate tightly.So, when oil-feed by the throttling action of second throttle 2 Just can slow down the speed that in oil cylinder 4, fluid increases, so that the action holding clutch-plate tightly is compared Gently.And, can also be controlled by the aperture of regulation first throttle valve 2 in practical work process The speed of oil-feed so that the action holding clutch-plate tightly is more steady.During oil return, due to the list in second pipe Set-up mode to valve 1 make second pipe be only capable of oil-feed and can not reversely oil return, therefore, in oil cylinder 4 Hydraulic oil can only return to oil pump 3 through first pipeline at first throttle valve 2 place.So, in oil cylinder 4 Hydraulic oil flow out speed will reduce, that is, oil cylinder 4 fluid reduce speed slow, from And make the action of separation clutch-plate more steady.And, when real work, it is also possible to by controlling the The aperture of the first throttle valve 2 on one pipeline controls the speed of oil return, so that the separation of clutch-plate Process is more steady.Pass through above procedure, so that it may so that the speed-change process of change speed gear box more smoothes out, do not dash forward So.
The change speed gear box of the present embodiment, due to the holding tightly and separating the most very of clutch-plate during oil-feed and oil return Steadily, so that the gear shift operation of automobile more smoothes out, and then the service behaviour of automobile is improved.
Further, it is also possible between the inlet 115 and oil pump 3 of check valve 1, or, unidirectional It is connected second throttle 5 between the liquid outlet 117 of valve 1 and oil cylinder 4.
The change speed gear box of the present embodiment, after the second pipe including check valve 1 arranges second throttle 5, Differring primarily in that of its work process with the above-mentioned change speed gear box being not provided with second throttle 5:
During oil-feed, the hydraulic oil of the second pipe flowing through check valve 1 place in oil pump 3 also needs to through this Second throttle 5 on pipeline, thus, the feed liquor speed on second pipe will be slack-off.So, When can make oil-feed, the fluid in oil cylinder 4 gathers way more mild, so that holding the action of clutch-plate tightly more Add steadily.And, when oil-feed, it is also possible to by the control of second throttle 5 aperture is come further Control speed during second pipe oil-feed, thus the speed changing the oil-feed of whole oil cylinder 4 make it tend towards stability, And then make the action holding clutch-plate tightly more steady.
Therefore, by arranging second throttle 5 on the second pipe of change speed gear box, it is possible to control oil cylinder 4 The speed of oil-feed, so that clutch-plate is more steady when holding tightly, the most also allows for the gearshift of automobile Operation can more smooth out.
The present embodiment also provides for a kind of automobile, and this automobile is provided with change speed gear box as above.
The automobile of the present embodiment, by connect between the oil pump 3 of change speed gear box and oil cylinder 4 first pipeline and Second pipe, wherein the first pipeline includes choke valve 2, and second pipe includes check valve 1.So, pass through The common effect of first throttle valve 2 and check valve 1 makes automobile can smooth out very much during gearshift, Improve startup and the gearshift performance of automobile.If arranging a second throttle 5 on second pipe again The automobile gearbox that can also make is held tightly during clutch-plate more steady, becomes such that it is able to improve automobile further Ride comfort during shelves, and then improve automobile starting and gearshift performance.
Describe in detail preferred implementation of the present utility model above in association with accompanying drawing, but this practicality is new Type is not limited to the detail in above-mentioned embodiment, in technology concept of the present utility model, The technical solution of the utility model can be carried out various simple variant, these simple variant belong to this reality With novel protection domain.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, In the case of reconcilable, can be combined by any suitable means.In order to avoid unnecessary Repeating, various possible compound modes are illustrated by this utility model the most separately.
Additionally, combination in any can also be carried out between various different embodiments of the present utility model, as long as It is without prejudice to thought of the present utility model, and it should be considered as content disclosed in the utility model equally.

Claims (6)

1. a check valve, it is characterised in that including: valve body (11) and spheroid (13);
Inlet (115) and liquid outlet (117), described valve body (11) interior shape is offered on described valve body (11) Become to have valve pocket, described valve pocket to include cavity (111) and cavity volume (113);
Described cavity (111) along valve body thickness direction extend, the first end of described cavity (111) with described go out Liquid mouth (117) connects, and described cavity volume (113) is positioned at the side of the second end of described cavity (111), and with institute State the second end connection of cavity (111);
Described cavity volume (113) connects with described inlet (115), and accommodates spheroid in described cavity volume (113) (13);
The diameter of described spheroid (13) is more than the diameter of described inlet (115).
Check valve the most according to claim 1, it is characterised in that
Described cavity volume (113) has a spherical sidewall, and the first edge of described spherical sidewall extend to described in enter Liquid mouth (115) is other, and the second edge of described spherical sidewall is connected with the sidewall of described cavity (111).
3. a change speed gear box, it is characterised in that including: oil pump (3) and oil cylinder (4);
It is connected to the first pipeline and second pipe between described oil pump (3) and oil cylinder (4);
It is provided with first throttle valve (2) on described first pipeline, described second pipe is arranged and wants just like right Seeking the check valve (1) described in 1, the inlet (115) of described check valve (1) connects described oil pump (3), The liquid outlet (117) of described check valve (1) connects described oil cylinder (4).
Change speed gear box the most according to claim 3, it is characterised in that entering of described check valve (1) Second throttle (5) it is additionally provided with on described second pipe between liquid mouth (115) and oil pump (3).
Change speed gear box the most according to claim 3, it is characterised in that going out of described check valve (1) Second throttle (5) it is additionally provided with on described second pipe between liquid mouth (117) and oil cylinder (4).
6. an automobile, it is characterised in that install on described automobile just like any one of claim 3-5 institute The change speed gear box stated.
CN201620181281.XU 2016-03-09 2016-03-09 Check valve, gearbox and car Active CN205504095U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620181281.XU CN205504095U (en) 2016-03-09 2016-03-09 Check valve, gearbox and car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620181281.XU CN205504095U (en) 2016-03-09 2016-03-09 Check valve, gearbox and car

Publications (1)

Publication Number Publication Date
CN205504095U true CN205504095U (en) 2016-08-24

Family

ID=56728285

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620181281.XU Active CN205504095U (en) 2016-03-09 2016-03-09 Check valve, gearbox and car

Country Status (1)

Country Link
CN (1) CN205504095U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20170601

Address after: 017010 Kangbashi New District, Ordos City, the Inner Mongolia Autonomous Region, China

Co-patentee after: TIANJIN HUATAI AUTO BODY CO.,LTD.

Patentee after: INNER MONGOLIA OED ENGINE Co.,Ltd.

Address before: 017010 Kangbashi New District, Ordos City, the Inner Mongolia Autonomous Region, China

Patentee before: INNER MONGOLIA OED ENGINE Co.,Ltd.

TR01 Transfer of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Check valve, gearbox and car

Effective date of registration: 20181017

Granted publication date: 20160824

Pledgee: Jinzhou bank Limited by Share Ltd. Jiefang Road branch

Pledgor: INNER MONGOLIA OED ENGINE Co.,Ltd.|TIANJIN HUATAI AUTO BODY CO.,LTD.|Baotou Hengtong (Group) Co.,Ltd.

Registration number: 2018990000917

PE01 Entry into force of the registration of the contract for pledge of patent right
PP01 Preservation of patent right

Effective date of registration: 20190923

Granted publication date: 20160824

PP01 Preservation of patent right
PD01 Discharge of preservation of patent

Date of cancellation: 20220923

Granted publication date: 20160824

PD01 Discharge of preservation of patent
PP01 Preservation of patent right

Effective date of registration: 20220923

Granted publication date: 20160824

PP01 Preservation of patent right