CN217583263U

CN217583263U - Composite sealing element of automobile three-way valve

Info

Publication number: CN217583263U
Application number: CN202221221255.7U
Authority: CN
Inventors: 王源
Original assignee: Zhejiang Tianshu Seal Co ltd
Current assignee: Zhejiang Tianshu Seal Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-10-14
Anticipated expiration: 2032-05-20

Abstract

The utility model relates to a valve body sealing device technical field especially involves a car three-way valve composite seal spare, including the three-way valve, the three-way valve includes left import, right export and export down, be equipped with in the middle of left side import and the right export and overflow the passageway, overflow the passageway with export down and be in same straight line, overflow and be equipped with the movable rod that can reciprocate in the passageway, the lower part of movable rod is fixed with the sealing member, the first inclined plane on sealing member upper portion with overflow the passageway joint, the second inclined plane of sealing member lower part with export the joint down. Compared with the prior art, the method has the advantages that: through the opening and closing of the movable rod up-and-down movement control right side and lower side valve, when the upper portion of the sealing element and the overflowing channel butt, liquid enters from the left and goes out down, and when the lower side outlet is plugged up at the lower portion of the sealing element, the liquid enters from the left and goes out from the right, and the structure is simple, and when the flow direction of the control liquid is realized, the sealing performance of the three-way valve is ensured.

Description

Composite sealing element of automobile three-way valve

Technical Field

The utility model relates to a valve body sealing device technical field especially involves a car three-way valve composite seal spare.

Background

In a fluid system, which is a device for controlling the direction, pressure, and flow rate of a fluid, a valve is a device for controlling the flow rate of a medium (liquid, gas, powder) in piping and equipment, such as a three-way valve having two ports, one for one (left in, right and bottom out) and having an outlet at the bottom, unlike a conventional valve, when an inner valve body is in different positions, the outlet is different, such as when the valve body is in the lower part, the left and right ports are connected, such as when the valve body is in the upper part, the right outlet is blocked, and the left and lower ports are connected, so that a leakage prevention measure of the three-way valve is indispensable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, provide a three-way valve sealing member, compare in prior art, the utility model discloses a realize through following technical scheme:

the utility model provides a car three-way valve composite seal spare, includes the three-way valve, the three-way valve includes left import, right export and export down, be equipped with in the middle of left side import and the right export and overflow the passageway, overflow the passageway with export down and be in same straight line, overflow and be equipped with the movable rod that can reciprocate in the passageway, the lower part of movable rod is fixed with the sealing member, the first inclined plane on sealing member upper portion with overflow the passageway joint, the second inclined plane of sealing member lower part with export the joint down.

Through adopting above-mentioned technical scheme, through the opening and close of the movable rod up-and-down control right side and lower side valve, when the first inclined plane of sealing member with overflow the passageway butt, liquid advances down to a left side, when the export of sealing member second inclined plane joint downside, liquid advances right side, when realizing the control liquid flow direction, has guaranteed the leakproofness of three-way valve.

The utility model discloses further set up to, first inclined plane with be equipped with outside extension between the second inclined plane, the upper surface of extension with overflow the lower surface laminating of passageway, the lower surface of extension with the upper surface laminating of export down.

By adopting the technical scheme, the extension part enlarges the range of the sealing surface and enhances the sealing effect.

The utility model discloses further set up to, inlay on the first inclined plane and be equipped with the up end sealing washer, inlay on the second inclined plane and be equipped with down the terminal surface sealing washer.

The utility model discloses further set up to, the bottom on second inclined plane still is equipped with vertical seal section, vertical seal section outer wall inlays and is equipped with elastic sealing ring.

The utility model discloses further set up as, the upper portion of three-way valve is connected with air pressure adjusting mechanism, air pressure adjusting mechanism includes the cavity, the movable rod is T shape, including horizontal plate and vertical rod, the both ends of horizontal plate with the inner wall sliding connection of cavity, two blow vents have been seted up to the cavity lateral wall, the blow vent distributes in the both sides of horizontal plate; the upper sliding sleeve of the vertical rod is provided with a fixing ring, and the fixing ring is fixedly connected with the lower side outlet of the cavity.

The utility model discloses further set up to, gu fixed ring's top is equipped with first sealed piece, and the below is equipped with the sealed piece of second, first sealed piece, the sealed piece of second and vertical pole fixed connection.

By adopting the technical scheme, when the movable rod is positioned at the upper working position, the second sealing block seals the lower surface of the fixing ring, and when the movable rod is positioned at the lower working position, the first sealing block seals the upper surface of the fixing ring, so that the gas of the gas pressure adjusting mechanism is prevented from escaping, and the sealing performance is improved; meanwhile, the second sealing block can reduce the contact between the fixing ring and a liquid medium, reduce corrosion damage and prolong the service life.

The utility model discloses further set up to, the lateral wall of the sealed piece of second is the inclined plane, with cavity downside export bottom is hugged closely.

The utility model discloses further set up to, the lateral wall of the sealed piece of second inlays and is equipped with ring type seal.

The utility model discloses further set up to, the top of the sealed piece of second bonds and has buffering seal gasket.

The utility model discloses further set up to, movable rod lower part surface is equipped with the screw thread, the upper and lower terminal surface of sealing member is pressed from both sides through the nut and is pressed from both sides fixedly.

Through adopting above-mentioned technical scheme, the nut is spacing and fixed to the sealing member, the installation and the change of the sealing member of being convenient for.

The utility model discloses an automobile three-way valve composite seal spare, the advantage compared with prior art lies in: through the opening and closing of the movable rod up-and-down movement control right side and lower side valve, when the upper portion of the sealing element and the overflowing channel butt, liquid enters from the left and goes out down, and when the lower side outlet is plugged up at the lower portion of the sealing element, the liquid enters from the left and goes out from the right, and the structure is simple, and when the flow direction of the control liquid is realized, the sealing performance of the three-way valve is ensured.

Drawings

FIG. 1 is a schematic view of the left inlet and outlet of the liquid according to the present invention;

FIG. 2 is a schematic structural view of the left-in and right-out state of the liquid according to the present invention;

FIG. 3 is a schematic structural diagram of a sealing member according to the present invention;

fig. 4 is an enlarged view of a point a in fig. 1.

The corresponding part names indicated by the numbers in the figures:

1. a movable rod; 11. a horizontal plate; 12. a vertical rod; 2. a fixing ring; 3. a seal member; 31. a first inclined plane; 32. a second inclined plane; 33. an extension portion; 34. a vertical sealing section; 4. an upper end surface sealing ring; 5. a lower end face seal ring; 6. an elastic seal ring; 7. a second seal block; 71. an annular seal ring; 72. buffering a sealing gasket; 8. a first seal block; 10. a three-way valve; 101. a left inlet; 102. a right outlet; 103. a lower outlet; 104. an overflow channel; 20. an air pressure adjusting mechanism; 201. a cavity; 202. and (4) a vent.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

As shown in fig. 1 to 4, the composite sealing member for the three-way valve of the automobile comprises a three-way valve 10, wherein the three-way valve 10 comprises a left inlet 101, a right outlet 102 and a lower outlet 103, an overflow channel 104 is arranged between the left inlet 101 and the right outlet 102, the overflow channel 104 and the lower outlet 103 are in the same straight line, a movable rod 1 capable of moving up and down is arranged in the overflow channel 104, a sealing member 3 is fixed on the lower part of the movable rod 1, a first inclined surface 31 on the upper part of the sealing member 3 is clamped with the overflow channel 104, and a second inclined surface 32 on the lower part of the sealing member 3 is clamped with the lower outlet 103.

An outward extending part 33 is arranged between the first inclined surface 31 and the second inclined surface 32, the upper surface of the extending part 33 is attached to the lower surface of the overflowing channel 104, and the lower surface of the extending part 33 is attached to the upper surface of the lower outlet 103. An upper end face sealing ring 4 is embedded on the first inclined face 31, and a lower end face sealing ring 5 is embedded on the second inclined face 32. The bottom of the second inclined plane 32 is also provided with a vertical sealing section 34, and an elastic sealing ring 6 is embedded in the outer wall of the vertical sealing section 34.

The upper part of the three-way valve 10 is connected with an air pressure adjusting mechanism 20, the air pressure adjusting mechanism 20 comprises a cavity 201, the movable rod 1 is in a T shape and comprises a horizontal plate 11 and a vertical rod 12, two ends of the horizontal plate 11 are slidably connected with the inner wall of the cavity 201, two air vents 202 are formed in the side wall of the cavity 201, and the air vents 202 are distributed on two sides of the horizontal plate 11; the upper sliding sleeve of the vertical rod 12 is provided with a fixing ring 2, and the fixing ring 2 is fixedly connected with the lower outlet of the cavity 201.

The top of solid fixed ring 2 is equipped with first sealed piece 8, and the below is equipped with the sealed piece 7 of second, the diameter of first sealed piece 8 is greater than gu fixed ring 2's diameter, first sealed piece 8, the sealed piece 7 of second and perpendicular pole 12 fixed connection. The side wall of the second sealing block 7 is an inclined surface and is tightly attached to the bottom of the outlet at the lower side of the cavity 201. An annular sealing ring 71 is embedded in the side wall of the second sealing block 7. The top of the second sealing block 7 is bonded with a buffer sealing gasket 72, the buffer sealing gasket 72 can further seal a gap between the second sealing block 7 and the fixing ring 2, and simultaneously buffers the first sealing block 7, so that the first sealing block 7 is prevented from being damaged due to direct impact when being in contact with the fixing ring 2. Likewise, the bottom of the first sealing block 8 is also provided with a gasket for the same purpose.

The surface of the lower part of the movable rod 1 is provided with threads, and the upper end face and the lower end face of the sealing piece 3 are clamped and fixed through nuts.

In the use process, the air vent 202 positioned below the horizontal plate 11 in the pneumatic adjusting mechanism 20 vents the cavity, the movable rod 1 moves upwards under the action of air pressure, the first inclined surface 31 abuts against two ends of the overflowing channel 104, the right outlet 102 is closed, and liquid flows into the lower outlet 103 from the left inlet 101, as shown in fig. 1; when the air vent 202 above the horizontal plate 11 in the pneumatic adjusting mechanism 20 vents the cavity 201, the movable rod 1 descends, the second inclined surface 32 is clamped with the lower outlet 103, the lower outlet 103 is closed, and the liquid flows from the left inlet 101 to the right outlet 102, as shown in fig. 2.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a compound sealing member of car three-way valve, its characterized in that includes three-way valve (10), three-way valve (10) are including left import (101), right export (102) and export (103) down, be equipped with in the middle of left side import (101) and right export (102) and overflow passageway (104), overflow passageway (104) with export (103) down is in same straight line, it is equipped with movable rod (1) that can reciprocate to overflow in passageway (104), the lower part of movable rod (1) is fixed with sealing member (3), first inclined plane (31) on sealing member (3) upper portion with overflow passageway (104) joint, second inclined plane (32) of sealing member (3) lower part with export (103) joint down.

2. An automotive three-way valve composite seal according to claim 1, characterized in that an outward extension (33) is provided between the first slope (31) and the second slope (32), the upper surface of the extension (33) is in contact with the lower surface of the overflow channel (104), and the lower surface of the extension (33) is in contact with the upper surface of the lower outlet (103).

3. The composite sealing element of a three-way valve for a vehicle according to claim 2, characterized in that the first inclined surface (31) is embedded with an upper end surface sealing ring (4), and the second inclined surface (32) is embedded with a lower end surface sealing ring (5).

4. The automobile three-way valve composite seal according to claim 3, characterized in that the bottom of the second inclined surface (32) is further provided with a vertical sealing section (34), and an elastic sealing ring (6) is embedded in the outer wall of the vertical sealing section (34).

5. The composite sealing element of the three-way valve of the automobile according to claim 1, wherein the upper portion of the three-way valve (10) is connected with an air pressure adjusting mechanism (20), the air pressure adjusting mechanism (20) comprises a cavity (201), the movable rod (1) is T-shaped and comprises a horizontal plate (11) and a vertical rod (12), two ends of the horizontal plate (11) are slidably connected with the inner wall of the cavity (201), two air vents (202) are formed in the side wall of the cavity (201), and the air vents (202) are distributed on two sides of the horizontal plate (11); perpendicular pole (12) upper portion sliding sleeve is equipped with solid fixed ring (2), gu fixed ring (2) with the downside export fixed connection of cavity (201).

6. A three-way valve composite seal for automobiles according to claim 5, characterized in that a first sealing block (8) is arranged above the fixing ring (2), a second sealing block (7) is arranged below the fixing ring, and the first sealing block (8), the second sealing block (7) and the vertical rod (12) are fixedly connected.

7. A composite seal for three-way valves of motor vehicles according to claim 6, characterized in that the side wall of the second sealing block (7) is a slope, which is closely attached to the bottom of the outlet at the lower side of the cavity (201).

8. A composite seal for three-way valves of motor vehicles, according to claim 7, characterized in that the side wall of the second sealing block (7) is embedded with an annular sealing ring (71).

9. A three-way valve composite seal for vehicles according to claim 8, characterized in that the top of the second sealing block (7) is bonded with a cushion gasket (72).

10. A composite seal for automotive three-way valves according to any one of claims 1 to 9, characterized in that the lower surface of the movable rod (1) is threaded and the upper and lower end faces of the seal (3) are clamped by nuts.