CN211975998U

CN211975998U - Oil drain valve and oil tank

Info

Publication number: CN211975998U
Application number: CN201922484459.4U
Authority: CN
Inventors: 任利东; 刘井年; 张志权; 张培杰
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-11-20
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a pair of bleeder valve and oil tank relates to oil tank technical field, include: the valve body is provided with an inlet and an outlet which are communicated with the inner cavity; the valve core is assembled in the inner cavity; the joint is movably assembled at the outlet of the valve body; and the connector is provided with a pushing piece which drives the valve plug to move so as to be communicated with the inlet and the outlet by fluid. In the technical scheme, the structure of the oil drain valve not only has the effects of simple and convenient opening and closing, but also can realize stable opening and closing of the oil drain valve through the matching of the plugging piece and the joint, ensures that the oil drain valve can be kept stable in a closed state, can be slowly and stably opened when being opened, and ensures that the discharge of dirty oil and dirt can be more stable and effective. The joint can also be connected with components such as a matched water pipe and the like, and the whole sewage discharge process is kept stable and effective.

Description

Oil drain valve and oil tank

Technical Field

The utility model belongs to the technical field of the oil tank technique and specifically relates to an bleeder valve and oil tank are related to.

Background

The oil in the motor vehicle needs to be replaced with new oil after a period of use. Therefore, the bottom of the oil tank is generally provided with an oil drain valve for draining dirty oil and dirt, for example, the bottom of the oil tank of a diesel engine is provided with a ball valve as the oil drain valve.

However, the prior art oil relief valve has poor stability, and is easy to cause the problems of dirty oil injection or abnormal leakage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an bleeder valve and oil tank to solve the poor technical problem of bleeder valve poor stability of oil tank among the prior art.

The utility model provides a pair of bleeder valve, include:

the valve body is provided with an inner cavity, and an inlet and an outlet which are communicated with the inner cavity are formed in the valve body;

a valve element fitted in the internal cavity;

the joint is movably assembled at the outlet of the valve body; and the joint is provided with a pushing piece which drives the valve core to move so as to be communicated with the inlet and the outlet by fluid.

Further, the valve cartridge includes:

a base having an axial through-hole, the base being mounted in the interior cavity of the valve body;

the sealing device comprises a sealing piece and an elastic piece, wherein one end of the elastic piece is connected with the base, and the other end of the elastic piece is connected with the sealing piece.

Furthermore, the elastic part is a spring, a first boss is arranged on the base, and one end of the spring is sleeved on the first boss; and a second boss is arranged on the plugging piece, and the other end of the spring is sleeved on the second boss.

Further, the valve body and the joint are both tubular parts; the joint is movably sleeved on the valve body, and the pushing piece is arranged in an inner pipe of the joint.

Further, the pushing piece is a cone, and the cone top of the cone faces the plugging piece.

Furthermore, a first axial adjusting structure is arranged between the base and the inner cavity of the valve body, and the base is axially movably assembled in the inner cavity of the valve body through the first axial adjusting structure.

Furthermore, at least one section of first internal thread is arranged in the inner cavity of the valve body, and a first external thread matched with the first internal thread is arranged on the base; the first internal thread and the first external thread constitute the first axial adjustment structure.

Further, a second axial adjusting structure is arranged between the valve body and the inner pipe of the joint, and the valve body is axially movably assembled in the inner pipe of the joint through the second axial adjusting structure.

Furthermore, at least one section of second internal thread is arranged in the inner pipe of the joint, and a second external thread matched with the second internal thread is arranged on the valve body; the second internal thread and the second external thread constitute the second axial adjustment structure.

The utility model also provides an oil tank, include the bleeder valve.

In the technical scheme, the structure of the oil drain valve not only has the effects of simple and convenient opening and closing, but also can realize stable opening and closing of the oil drain valve through the matching of the plugging piece and the joint, ensures that the oil drain valve can be kept stable in a closed state, can be slowly and stably opened when being opened, and ensures that the discharge of dirty oil and dirt can be more stable and effective. The joint can also be connected with components such as a matched water pipe and the like, and the whole sewage discharge process is kept stable and effective.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a closed state diagram of an oil drain valve according to an embodiment of the present invention;

fig. 2 is an opening state diagram of an oil drain valve provided by an embodiment of the present invention;

fig. 3 is an assembly view of a valve body according to an embodiment of the present invention;

fig. 4 is an assembly view of a closure and a base according to an embodiment of the present invention.

Reference numerals:

1. a valve body; 2. a valve core; 3. a joint;

11. an inlet; 12. an outlet;

21. a base; 22. an elastic member; 23. a blocking member;

211. a first boss portion; 212. a second boss portion;

31. and pushing the piece.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the present embodiment provides an oil relief valve including:

the valve comprises a valve body 1 with an inner cavity, wherein the valve body 1 is provided with an inlet 11 and an outlet 12 which are communicated with the inner cavity;

a valve element 2, wherein the valve element 2 is assembled in the inner cavity;

a joint 3, said joint 3 being movably mounted at an outlet 12 of said valve body 1; the connector 3 is provided with an ejector 31, and the ejector 31 drives the valve core 2 to move so as to be communicated with the inlet 11 and the outlet 12 in a fluid mode.

The outlet 12 of the inlet 11 of the oil drain valve is used for guiding dirty oil or dirt to enter and discharge respectively, and the inner cavity of the oil drain valve is used as a flowing cavity in the process of discharging the dirty oil or the dirt. The oil release valve can communicate the inlet 11 with an oil tank and other equipment requiring the discharge of dirty oil or dirt when in use. As for the structure of the valve element 2, as shown in fig. 3 and 4 in one embodiment, the valve element 2 further includes: a base 21 having an axial through hole, said base 21 being mounted in the inner cavity of said valve body 1; one end of the elastic member 22 is connected with the base 21, and the other end of the elastic member 22 is connected with the blocking member 23.

At this time, the base 21 can determine the installation position of the blocking piece 23 in the inner cavity of the valve body 1 as the basis for assembling the blocking piece 23, and the axial through hole on the base 21 can penetrate through the inner cavity of the valve body 1 and further penetrate through the inlet 11 and the outlet 12 of the valve body 1, so that the discharge of dirty oil or dirt is not influenced. The blocking piece 23 is mounted in the inner cavity of the valve body 1 through the base 21 and can move away from the base 21 and towards the outlet 12 of the valve body 1 by the elastic force of the elastic piece 22, thereby blocking the outlet 12. Of course, besides, those skilled in the art may also adopt other valve cores 2 according to the requirement, for example, the valve core 2 itself is a component with a telescopic function, and the extension thereof can seal the outlet 12, and the fluid can communicate the inlet 11 and the outlet 12 by being driven by the pushing member 31; alternatively, the pushing member 31 is an electrically controlled telescopic structure or a mechanical telescopic structure, and when the pushing member 31 is axially extended or retracted, the valve plug 2 can be driven to open or close the outlet 12, and other structures are not limited herein.

Taking the above-mentioned embodiment as an example, as shown in fig. 1, when the oil release valve is in the closed state, the blocking piece 23 may elastically extend along the direction of the outlet 12 due to the elastic action of the assembly, for example, the blocking piece 23 may be assembled in the inner cavity by an elastic component, the blocking piece 23 is urged to move towards the outlet 12 by the elastic force of the elastic component to the blocking piece 23, has a moving tendency to move towards the outlet 12, and is elastically and sealingly abutted against the outlet 12 of the valve body 1 by the moving tendency.

Wherein, the export 12 position of valve body 1 can set up matched with protruding structure, or the inner chamber inner wall that exports 12 positions sets up to the inclined plane structure, and simultaneously, shutoff piece 23 still need cooperate the corresponding structure of export 12 positions, make this export 12 positions have the effect that restriction shutoff piece 23 further elasticity stretches out, thereby it is sealed with export 12 formation to valve body 1 to restrict shutoff piece 23 in export 12 positions, make this bleeder valve form sealedly to the inner chamber of cooperation oil tank and self, prevent that sump oil or filth from exporting 12 discharges.

Optionally, an annular protrusion may be disposed at the outlet 12 of the valve body 1, and the blocking piece 23 may also cooperate with the annular protrusion to form a cylinder, a disc, or other structures that can block the outlet 12 and limit and abut against the annular protrusion. Besides, the person skilled in the art can set the position of the outlet 12 and the matching structure of the blocking piece 23 as required, and the structure is not limited herein.

It should be noted that a first axial adjustment structure is arranged between the base 21 and the inner cavity of the valve body 1, and the base 21 is axially movably assembled in the inner cavity of the valve body 1 through the first axial adjustment structure. This first axial adjustment structure can adopt the mechanical slide rail or electronic slide rail isotructure that the axial set up, perhaps can adopt the structure of screw assembly to this can realize adjusting the axial position of base 21 in the inner chamber of valve body 1, so, when base 21 is arranged in the different axial position in the inner chamber of valve body 1, alright in order to adjust the butt elastic force size of shutoff piece 23 to export 12 positions, consequently also can effectual adjustment and the opening pressure of control bleeder.

Optionally, at least one section of first internal thread is arranged in the inner cavity of the valve body 1, and a first external thread matched with the first internal thread is arranged on the base 21; the first internal thread and the first external thread constitute the first axial adjustment structure. At this time, the base 21 and the inner cavity of the valve body 1 can be assembled relatively through a screw thread assembly structure, and only the base 21 needs to be rotated when the axial position of the base 21 is adjusted. In addition, other matching structures can be reasonably adopted by those skilled in the art according to the requirements, and are not limited herein.

As shown in fig. 2, when the spill valve is in the open state, the joint 3 is moved relative to the valve body 1, the pushing piece 31 on the joint 3 is moved in a direction to overcome the elastic movement of the blocking piece 23, and the blocking piece 23 is separated from the outlet 12 of the valve body 1 while substantially overcoming the tendency of the elastic movement of the blocking piece 23 toward the outlet 12 in contact with the blocking piece 23, thereby releasing the sealing and contact with the outlet 12. At this time, the outlet 12 of the valve body 1 is opened, and the outlet 12 and the inlet 11 of the valve body 1 communicate the oil tank and other cooperating devices with the outside, thereby achieving the tilting effect on the dirty oil or dirt.

Wherein, the pushing member 31 is a cone, and the top of the cone faces the plugging member 23. The structure is structurally more stable for the top thrust piece 31 of centrum, can guarantee that the transmission of effect is more stable when the conical tip of cone carries out the butt towards shutoff piece 23, can not take place skew scheduling problem to it is more stable to guarantee that the bleeder valve opens the in-process.

It should be noted that a second axial adjustment structure is arranged between the valve body 1 and the inner pipe of the joint 3, and the valve body 1 is axially movably assembled in the inner pipe of the joint 3 through the second axial adjustment structure. This second axial adjustment structure can adopt the mechanical slide rail of axial setting or structures such as electronic slide rail, perhaps can adopt the structure of screw assembly to this can realize the axial position adjustment of butt joint 3 for valve body 1, and then realize the butt joint and open blocking piece 23.

Optionally, at least one section of second internal thread is arranged in the inner pipe of the joint 3, and a second external thread matched with the second internal thread is arranged on the valve body 1; the second internal thread and the second external thread constitute the second axial adjustment structure. At this time, the joint 3 and the valve body 1 can be relatively assembled through a screw thread assembly structure, and only the joint 3 needs to be rotated when the axial position of the joint 3 is adjusted relative to the valve body 1, so that the oil drain valve can be conveniently and stably opened or closed. In addition, other matching structures can be reasonably adopted by those skilled in the art according to the requirements, and are not limited herein.

Therefore, the structure of the oil drain valve not only has the effects of being simple and convenient to open and close, but also can realize stable opening and closing of the oil drain valve through the matching of the plugging piece 23 and the joint 3, ensures that the oil drain valve can be kept stable in a closed state, can be slowly and stably opened when being opened, and enables the discharge of dirty oil and dirt to be more stable and effective. The joint 3 can also be connected with components such as a matched water pipe and the like, and the whole sewage discharge process is kept stable and effective.

In one embodiment, the elastic member 22 is a spring, the base 21 is provided with a first protrusion 211, and one end of the spring is sleeved on the first protrusion 211; the blocking piece 23 is provided with a second protruding portion 212, and the other end of the spring is sleeved on the second protruding portion 212. At this moment, the both ends of spring can be respectively with first bellying 211 and the suit of second bellying 212, and the assembly methods of this suit can improve overall structure's assembly stability, and then guarantees that this bleeder valve has more stable assembly and motion structure, improves the stability and the stationarity of blowdown.

Optionally, the valve body 1 and the joint 3 are both tubular parts; the joint 3 is movably sleeved on the valve body 1, and the pushing piece 31 is arranged in an inner pipe of the joint 3. The joint 3 of the valve body 1 of the tubular component can have better adaptability, is not only structurally beneficial to sewage discharge, but also is convenient to assemble and disassemble.

The utility model also provides an oil tank, include the bleeder valve. Since the specific structure, functional principle and technical effect of the oil relief valve are all detailed in the foregoing, no further description is provided herein. Reference is also made to the above description for any technical content relating to the spill valve.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An oil spill valve, comprising:

a valve element fitted in the internal cavity;

2. The spill valve of claim 1 wherein said spool includes:

3. The spill valve of claim 2 wherein said resilient member is a spring, said base having a first boss disposed thereon, one end of said spring being mounted on said first boss; and a second boss is arranged on the plugging piece, and the other end of the spring is sleeved on the second boss.

4. The spill valve of claim 2 or 3 wherein said valve body and said fitting are both tubular members; the joint is movably sleeved on the valve body, and the pushing piece is arranged in an inner pipe of the joint.

5. The spill valve of claim 4 wherein said push member is a cone having a cone apex facing said closure member.

6. The spill valve of claim 4 wherein a first axial adjustment structure is disposed between said base and said interior chamber of said valve body, said base being axially movably mounted in said interior chamber of said valve body by said first axial adjustment structure.

7. The oil relief valve as claimed in claim 6, wherein at least one section of first internal thread is provided in the inner cavity of said valve body, and said base is provided with a first external thread engaged with said first internal thread; the first internal thread and the first external thread constitute the first axial adjustment structure.

8. The spill valve of claim 4 wherein a second axial adjustment structure is disposed between said valve body and said fitting inner tube, said valve body being axially movably mounted in said fitting inner tube by said second axial adjustment structure.

9. The spill valve of claim 8 wherein the fitting inner tube has at least one second internal thread formed therein, the valve body having a second external thread thereon for mating with the second internal thread; the second internal thread and the second external thread constitute the second axial adjustment structure.

10. A fuel tank comprising a spill valve as claimed in any one of claims 1 to 9.