CN214999509U

CN214999509U - Sealing member and control valve

Info

Publication number: CN214999509U
Application number: CN202120882482.3U
Authority: CN
Inventors: 马俊; 王宏伟; 陈开星; 严爱秀; 盛祥曦
Original assignee: Zhejiang Yinlun Machinery Co Ltd
Current assignee: Zhejiang Yinlun Machinery Co Ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-03
Anticipated expiration: 2031-04-27

Abstract

A sealing element and a control valve relate to the technical field of sealing. The sealing element is used for a control valve, the control valve comprises a valve body and a valve core, one end of the valve core is provided with a plurality of valve core runners which are not communicated with each other, the valve body is provided with a plurality of external runner ports which can be communicated with the valve core runners, a sealing element is arranged between one end of the valve core, which is provided with the valve core runners, and the valve body, and the sealing element comprises a sealing body; a plurality of sealing runner through holes are formed in the sealing body; along the thickness direction of the sealing element, one surface of the sealing body is a plane, and the other surface of the sealing body is provided with a sealing bulge; the sealing bulge comprises a runner port sealing bulge part and a supporting sealing bulge part; the runner port sealing bulge is arranged in the circumferential direction of the sealing runner through hole and forms a ring along the circumferential direction of the sealing runner through hole. The control valve includes a seal. An object of the utility model is to provide a sealing member and control valve to improve the sealing performance of control valve to a certain extent.

Description

Sealing member and control valve

Technical Field

The utility model relates to a sealed technical field particularly, relates to a sealing member and control valve.

Background

In a cooling system on a new energy vehicle, a plurality of electrically controlled valves are generally provided; the whole vehicle analyzes the heat demand by collecting the real-time temperature of the driving motor, the battery and the cockpit, and adjusts the flow rate flowing to each position through the electric control valve, so that the motor, the battery and the cockpit are in an ideal temperature environment, and the energy is effectively utilized, so that different cooling circulation loops are required to be exchanged according to the ideal use environment of components. In the existing new energy vehicle cooling system, a plurality of control valves are usually arranged to realize the function, and the pipelines are complex and high in cost.

The multi-way control valve can well solve the technical problems of complex pipelines and high cost caused by a large number of valves. And the sealing performance of the control valve is one of the main technologies for the development thereof.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing member and control valve to improve the sealing performance of control valve to a certain extent.

In order to achieve the above object, the present invention provides the following technical solutions:

a sealing element is used for a control valve, the control valve comprises a valve body and a valve core arranged in the valve body, a plurality of valve core flow passages which are not communicated with each other are arranged at one end of the valve core along the axial direction of the valve core, a plurality of external flow passage ports which can be communicated with the valve core flow passages are arranged on the valve body, the sealing element is arranged between one end of the valve core, which is provided with the valve core flow passages, and the valve body, and the sealing element comprises a sealing body; the sealing body is provided with a plurality of sealing runner through holes corresponding to the external runner ports;

along the thickness direction of the sealing element, one surface of the sealing body is a plane matched with the valve core, and the other surface of the sealing body is provided with a sealing bulge matched with the valve body;

the sealing bulge comprises a runner port sealing bulge part and a supporting sealing bulge part;

the runner port sealing bulge is arranged in the circumferential direction of the sealing runner through hole and forms a ring along the circumferential direction of the sealing runner through hole.

In any of the above technical solutions, optionally, the inner surface of the runner port sealing protrusion is a surface of the runner port sealing protrusion close to the sealed runner through hole;

one or more sealing convex ribs are arranged on the inner surface of the flow passage opening sealing convex part; when the sealing convex ribs are multiple, the multiple sealing convex ribs are sequentially arranged along the thickness direction of the sealing element; the sealing convex rib extends along the circumferential direction of the sealing runner through hole and forms a ring;

and/or the inner surface of the flow passage opening sealing bulge part is an inclined surface along the thickness direction of the sealing piece.

In any of the above technical solutions, optionally, the outer surface of the sprue sealing protrusion is provided with a plurality of reinforcing ribs; the outer surface of the runner port sealing bulge part is the surface of the runner port sealing bulge part, which is far away from the sealing runner through hole;

and the reinforcing ribs are sequentially arranged at intervals along the circumferential direction of the sealed flow passage through hole.

In any of the above solutions, optionally, the support seal protrusion includes an outer annular support sub-portion, an inner annular support sub-portion, and a radial support sub-portion;

the inner annular support sub-portion is disposed inside the outer annular support sub-portion, and both the outer annular support sub-portion and the inner annular support sub-portion are annular cylinders;

the radiation-shaped support sub-portion is disposed between the outer and inner annular support sub-portions, and the outer and inner annular support sub-portions are respectively disposed at intervals from the radiation-shaped support sub-portion;

the outer annular supporting sub-portion and the inner annular supporting sub-portion are respectively connected with the flow passage opening sealing bulge portion.

In any of the above solutions, optionally, the reinforcing rib of the flow passage opening sealing convex part, which is connected with the outer annular supporting sub-part, is arranged on the outer surface of the outer annular supporting sub-part;

the reinforcing rib at the position where the runner port sealing convex part is connected with the inner annular supporting sub-part is arranged on the inner surface of the inner annular supporting sub-part.

In any of the above technical solutions, optionally, in the thickness direction of the sealing member, the reinforcing rib is trapezoidal, triangular, or rectangular.

In any of the above solutions, optionally, in a direction perpendicular to the thickness direction of the sealing member, the cross section of the sealing body is circular;

in any of the above technical solutions, optionally, the hole cross sections of all the sealed flow passage through holes have the same shape.

In any of the above technical solutions, optionally, the sealing body and the sealing protrusion are integrally formed;

in any of the above technical solutions, optionally, the sealing member is made of ethylene propylene diene monomer, polytetrafluoroethylene, or silicone rubber.

In any of the above technical solutions, optionally, along the thickness direction of the sealing member, the height of the runner port sealing protrusion is the same as the height of the supporting sealing protrusion;

in any of the above technical solutions, optionally, the center of the sealing body has a rotating shaft through hole.

A control valve includes a seal.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model mainly lie in:

the utility model provides a sealing element and a control valve, which comprises a sealing body and a sealing bulge; the sealing body can be sealed with the valve core under the condition of meeting the multi-pass function through the plurality of sealing flow channel through holes and one surface of the sealing body is a plane, so that the sealing element can be sealed with the valve core; the sealing bulge is arranged on the other surface of the sealing body, so that the sealing element can be fixed on the valve body and does not rotate along with the rotation of the valve core, and the sealing performance of the control valve during reversing is further realized.

In order to make the aforementioned and other objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic perspective view of a sealing member according to an embodiment of the present invention;

fig. 2 is another schematic perspective view of a sealing member according to an embodiment of the present invention;

FIG. 3 is an enlarged view of region A of the seal shown in FIG. 2;

fig. 4 is a front view of a seal provided by an embodiment of the present invention;

FIG. 5 is a rear view of the seal shown in FIG. 4;

FIG. 6 is a cross-sectional view taken along line B-B of the seal shown in FIG. 5;

fig. 7 is an enlarged view of region C of the seal shown in fig. 6.

Icon: 300-a sealing body; 310-sealing the runner through hole; 320-sealing protrusion; 321-a runner port sealing bulge part; 322-supporting a sealing boss; 3221-an outer annular support sub-portion; 3222-an inner annular support sub-portion; 3223-a radiation shaped support sub-portion; 330-sealing convex ribs; 340-reinforcing ribs; 350-through hole of rotating shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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 the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Examples

Referring to fig. 1 to 7, the present embodiment provides a sealing member and a control valve, where fig. 1 and 2 are schematic perspective views of two viewing angles of the sealing member, fig. 3 is an enlarged view of a region a of the sealing member shown in fig. 2, fig. 4 is a front view of the sealing member provided in the present embodiment, fig. 5 is a rear view of the sealing member shown in fig. 4, fig. 6 is a sectional view of the sealing member shown in fig. 5 taken along direction B-B, and fig. 7 is an enlarged view of a region C of the sealing member shown in fig. 6.

Referring to fig. 1-7, the present embodiment provides a seal for sealing within a control valve, and in particular for sealing against an end face within a multi-way control valve; the control valve comprises a valve body and a valve core which is arranged in the valve body and rotates. Along the axial of case, the one end of case is provided with a plurality of case runners that do not communicate each other, and the valve body is provided with a plurality of outside flow channel mouths that can communicate with the case runner, is provided with the sealing member between the one end that has the case runner of case and the valve body. The sealing element is arranged in the valve body and used for sealing the valve core at the end face. Optionally, the axial direction of the spool is also the axial direction of the valve body.

The seal includes a seal body 300; the sealing body 300 is provided with a plurality of sealing flow passage through holes 310 for corresponding to the external flow passage ports. Through the plurality of sealing flow passage through holes 310, different valve core flow passages in the valve core are communicated with different external flow passage ports on the valve body, so that the control valve with the sealing element has a multi-way function.

Along the thickness direction of the sealing element, one surface of the sealing body 300 is a plane, and the plane is matched with the valve core and used for sealing the valve core flow channel on the valve core. The other side of the sealing body 300 is provided with a sealing protrusion 320; the sealing bulge 320 is used for being matched with the valve body and fixing the sealing element on the valve body without rotating along with the rotation of the valve core; meanwhile, the sealing protrusion 320 is used for supporting the sealing body 300 to reduce or avoid the phenomena of deformation, sinking and the like of the plane of the sealing body 300, and further reduce the problems of sealing caused by the deformation and sinking of the plane of the sealing body 300 and resistance increase of the valve core in the rotating process. Optionally, the thickness direction of the sealing element is the axial direction of the through hole of the rotating shaft, namely the axial direction of the rotation of the valve core.

The seal projection 320 includes a sprue seal projection 321 and a support seal projection 322.

The runner port sealing protrusion 321 is disposed in the circumferential direction of the sealing runner through hole 310, and forms a ring shape along the circumferential direction of the sealing runner through hole 310. The connecting strength around the sealing runner through hole 310 is enhanced to a certain extent through the runner port sealing bulge 321, the radial swing generated by the radial force acting on the sealing element when the valve core rotates is reduced, the sealing performance between the sealing element and the valve core and between the sealing element and the valve body is improved, and the sealing performance of the control valve with the sealing element is further improved.

The support sealing protrusion 322 is provided at the non-sealing runner through hole 310 of the sealing body 300. By supporting the sealing protrusion 322, the connection strength of the non-sealing flow passage through hole 310 of the sealing body 300 is enhanced to a certain extent, the radial swing generated by the radial force applied to the sealing element when the valve core rotates is reduced, the sealing performance between the sealing element and the valve core and between the sealing element and the valve body is improved, and the sealing performance of the control valve with the sealing element is further improved.

The sealing member in this embodiment includes a sealing body 300 and a sealing protrusion 320; the sealing body 300 can be sealed with the valve core under the condition of meeting the multi-pass function through the plurality of sealing flow passage through holes 310 and one surface of the sealing body 300 as a plane, so that the sealing element can be sealed with the valve core; the sealing protrusion 320 is disposed on the other side of the sealing body 300, so that the sealing member can be fixed on the valve body and does not rotate along with the rotation of the valve core, thereby realizing the sealing performance of the control valve during reversing.

Referring to fig. 3 and 7, in the present embodiment, the inner surface of the flow passage opening sealing protrusion 321 is a surface of the flow passage opening sealing protrusion 321 close to the sealing flow passage through hole 310.

Alternatively, the inner surface of the runner port sealing protrusion 321 in the thickness direction of the sealing member is a slope; that is, the inner surface of the sprue seal protrusion 321 forms an angle with the thickness direction of the seal. By adopting the inclined surface, the sealing performance between the sealing element and the valve body is improved to a certain extent.

Optionally, the inner surface of the sprue seal boss 321 is provided with one or more sealing ribs 330.

When the plurality of sealing ribs 330 are provided, the plurality of sealing ribs 330 are sequentially provided in the thickness direction of the sealing member. Alternatively, a plurality of sealing ribs 330 are sequentially provided at intervals in the thickness direction of the sealing member.

The sealing rib 330 extends in the circumferential direction of the sealing flow passage through hole 310 and forms a ring shape. Through sealed protruding muscle 330 to improve the sealing performance between the sealing member of sealed runner through-hole 310 department and the valve body, can also improve the intensity of sealed runner through-hole 310 department sealing member to a certain extent, and then reduced the radial swing that produces because of the radial force that the case rotated for the sealing member when having reduced to a certain extent, improved the sealing performance of the control valve who has this sealing member. The sealing performance between the sealing element and the valve body is further improved by sequentially arranging the plurality of sealing ribs 330 in the thickness direction of the sealing element, namely arranging the plurality of sealing ribs 330 on the mounting surface of the sealing element and the valve body.

Optionally, in the sealing member of this embodiment, the inner surface of the flow passage opening sealing protrusion 321 is an inclined surface, and the plurality of sealing ribs 330 are disposed on the inner surface of the flow passage opening sealing protrusion 321, when the sealing member is engaged with the valve body, the compression amount of the plurality of sealing ribs 330 is different, and under the condition that the sealing member and the valve body are ensured to be compressed and sealed, the sealing member has a tendency to displace toward the valve element side, so that the end surface of the valve element and the end surface of the sealing member are better sealed.

Alternatively, the cross-section of the sealing bead 330 along the thickness direction of the sealing member may be semicircular, arc-shaped, rectangular, trapezoidal, or other patterns.

Referring to fig. 2, 3 and 5, in an alternative of the present embodiment, the outer surface of the runner port sealing protrusion 321 is provided with a plurality of reinforcing ribs 340; the outer surface of the flow passage opening sealing protrusion 321 is a surface of the flow passage opening sealing protrusion 321 away from the sealing flow passage through hole 310.

The plurality of ribs 340 are sequentially provided at intervals in the circumferential direction of the sealing runner through-hole 310. The reinforcing rib 340 improves the strength of the sealing element at the sealing flow passage through hole 310 to a certain extent, and further reduces the radial swing generated by the radial force applied to the sealing element when the valve core rotates to a certain extent, thereby improving the sealing performance of the control valve with the sealing element. The reinforcing rib 340 also plays a role of supporting the sealing protrusion 320 at the through hole 310 of the sealing runner, so as to prevent the sealing element from being expanded when the sealing element is installed with the valve body, thereby preventing the problem of sealing failure.

Referring to fig. 2 and 5, in an alternative version of the present embodiment, the support seal convex portion 322 includes an outer annular support sub-portion 3221, an inner annular support sub-portion 3222, and a radial support sub-portion 3223; the outer annular supporting sub-portion 3221, the inner annular supporting sub-portion 3222, and the radiation-shaped supporting sub-portion 3223 are all fixedly disposed on the sealing body 300. The outer annular supporting sub-portion 3221, the inner annular supporting sub-portion 3222, and the radial supporting sub-portion 3223 further improve the strength of the seal itself and the circumferential fixing strength of the seal to the valve body, thereby reducing radial oscillation due to the radial force applied to the seal when the valve element rotates to some extent, and improving the sealing performance of the control valve having the seal.

Alternatively, the inner annular supporting sub-portion 3222 is disposed inside the outer annular supporting sub-portion 3221, and both the outer and inner annular supporting sub-portions 3221, 3222 are annular cylindrical.

Alternatively, the radial support sub-portion 3223 is disposed between the outer and inner annular support sub-portions 3221 and 3222, and the outer and inner annular support sub-portions 3221 and 3222 are disposed spaced apart from the radial support sub-portion 3223, respectively.

Alternatively, the outer and inner annular supporting sub-portions 3221 and 3222 are connected to the flow port opening sealing protrusion 321, respectively.

Referring to fig. 1 to 5, in an alternative of the present embodiment, a bead 340, which is located at a position where the flow port opening sealing protrusion 321 is connected to the outer annular supporting sub-portion 3221, is provided on an outer surface of the outer annular supporting sub-portion 3221.

Referring to fig. 1 to 5, in an alternative embodiment, the reinforcing rib 340 of the flow port opening sealing protrusion 321, which is connected to the inner annular supporting sub-portion 3222, is provided on the inner surface of the inner annular supporting sub-portion 3222.

In an alternative of this embodiment, the ribs 340 have a trapezoidal, triangular or rectangular shape, or other shape in the thickness direction of the seal.

In an alternative of this embodiment, the cross-section of the seal body 300 in the direction perpendicular to the thickness of the seal is circular; the cross-section through the seal body 300 is circular to facilitate the seal to seal with the valve cartridge. It will be appreciated by those skilled in the art that the cross-section of the seal body 300 may also be other shapes.

In an alternative of this embodiment, the hole cross-sections of all the seal runner through-holes 310 are the same shape. By using the same shape of the bore cross section of the sealed flow passage through hole 310, the angle of rotation of the valve core is controlled.

In an alternative of this embodiment, the sealing body 300 is integrally formed with the sealing protrusion 320; the production and processing technology of the sealing element is simplified, and the processing and manufacturing cost of the sealing element can be reduced to a certain extent.

In an alternative of this embodiment, the sealing member is made of epdm, ptfe, or silicone rubber, or other materials.

In an alternative of this embodiment, the height of the runner port sealing protrusion 321 is the same as the height of the support sealing protrusion 322 in the thickness direction of the seal.

Referring to fig. 1 to 5, in an alternative of the present embodiment, the seal body 300 has a rotation shaft through hole 350 at the center thereof so that the rotation shaft of the spool passes through the seal member through the rotation shaft through hole 350.

The embodiment also provides a control valve, which comprises the sealing element; the valve also comprises a valve body and a valve core which is arranged in the valve body and rotates. Along the axial of case, the one end of case is provided with a plurality of case runners that do not communicate each other, and the valve body is provided with a plurality of outside flow channel mouths that can communicate with the case runner, is provided with the sealing member between the one end that has the case runner of case and the valve body. The seal is disposed inside the valve body. The control valve adopts the sealing element, and the sealing body 300 can be sealed with the valve core under the condition of meeting the multi-way function through the plurality of sealing flow passage through holes 310 and one surface of the sealing body 300 being a plane, so that the sealing element can be sealed with the valve core; the sealing protrusion 320 is disposed on the other side of the sealing body 300, so that the sealing member can be fixed on the valve body and does not rotate along with the rotation of the valve core, thereby realizing the sealing performance of the control valve during reversing.

The control valve provided by the embodiment comprises the sealing element, the technical characteristics of the sealing element disclosed in the above are also applicable to the control valve, and the technical characteristics of the sealing element disclosed in the above are not repeated. The control valve in the present embodiment has the advantages of the above-described seal, and the advantages of the above-described seal disclosed herein will not be described again.

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. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Claims

1. A sealing element is used for a control valve, the control valve comprises a valve body and a valve core arranged in the valve body, a plurality of valve core flow passages which are not communicated with each other are arranged at one end of the valve core along the axial direction of the valve core, a plurality of external flow passage ports which can be communicated with the valve core flow passages are arranged on the valve body, and the sealing element is arranged between one end of the valve core, which is provided with the valve core flow passages, and the valve body; the sealing body is provided with a plurality of sealing runner through holes corresponding to the external runner ports;

2. The seal of claim 1, wherein the inner surface of the runner port sealing protrusion is a surface of the runner port sealing protrusion adjacent to the sealed runner through hole;

3. The seal of claim 1, wherein the outer surface of the sprue sealing boss is provided with a plurality of ribs; the outer surface of the runner port sealing bulge part is the surface of the runner port sealing bulge part, which is far away from the sealing runner through hole;

4. The seal of claim 3, wherein said support seal projection includes an outer annular support sub-portion, an inner annular support sub-portion, and a radial support sub-portion;

5. The seal of claim 4 wherein said bead of said runner port seal boss, where it joins said outer annular support sub-portion, is disposed on an outer surface of said outer annular support sub-portion;

6. A seal according to claim 3, wherein the ribs are trapezoidal, triangular or rectangular in the thickness direction of the seal.

7. A seal according to any of claims 1 to 6, wherein the cross-section of the seal body in a direction perpendicular to the thickness of the seal is circular;

and/or the hole cross sections of all the sealing flow passage through holes are the same in shape.

8. The seal of any of claims 1-6, wherein the seal body is integrally formed with the seal projection;

and/or the sealing element is made of ethylene propylene diene monomer rubber, polytetrafluoroethylene or silicon rubber.

9. The seal of any one of claims 1-6, wherein the height of the sprue seal boss is the same as the height of the support seal boss in the thickness direction of the seal;

and/or the center of the sealing body is provided with a rotating shaft through hole.

10. A control valve comprising a seal as claimed in any one of claims 1 to 9.