CN220435536U

CN220435536U - Quick exhaust valve

Info

Publication number: CN220435536U
Application number: CN202322128781.XU
Authority: CN
Inventors: 刘晓阳
Original assignee: Baoli Valve Co ltd
Current assignee: Baoli Valve Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-02-02
Anticipated expiration: 2033-08-09

Abstract

The utility model discloses a quick exhaust valve which comprises a valve body, wherein the top end of the valve body is fixedly connected with a cover body, the top end of the valve body and the bottom end of the cover body are fixedly connected with a second flange, the top end of the cover body is fixedly connected with a support pipe, the top end of the cover body and the bottom end of the support pipe are fixedly connected with a third flange, the top end of the side wall of the support pipe is fixedly connected with a plurality of vertical rods, and the top ends of the vertical rods are fixedly connected with a protective cover. According to the utility model, the valve body, the cover body, the supporting tube, the vertical rod, the protective cover, the guide structure and the floating ball are arranged, the guide structure is arranged to guide the floating ball to float up and down, friction between the floating ball and the inner wall of the valve body when the floating ball floats up and down is avoided, and therefore the service life of the floating ball is prolonged. Secondly, can all realize dismantling between stay tube and the lid and between lid and the valve body, the fourth sealing washer is fixed through the direct extrusion of stay tube to make the change of fourth sealing washer more convenient, improve this discharge valve flexibility of use.

Description

Quick exhaust valve

Technical Field

The utility model relates to the technical field of exhaust valves, in particular to a rapid exhaust valve.

Background

The quick exhaust valve is suitable for pipelines with industrial medium of water and is used as equipment for quickly exhausting gas in the pipeline, so that the efficiency of water conveying equipment is improved, the pipeline is protected from deformation and cracking, and the quick exhaust valve is a necessary equipment for the pipeline. The valve is a barrel-shaped valve body, and the inside of the valve is mainly provided with a stainless steel floating ball and a plug. The valve is arranged at the outlet of the pump body or in the water distribution pipeline for removing a large amount of accumulated air in the pipeline so as to improve the service efficiency of the water pipe and the water pump, and the valve can rapidly suck air once negative pressure occurs in the pipe so as to damage the storage pipeline due to the negative pressure.

However, the floating ball inside the existing quick exhaust valve has no limiting structure when floating up and down, and the floating ball can collide with the inner wall of the valve body, so that the floating ball is easy to damage and needs to be replaced frequently. Secondly, the sealing ring in contact with the floating ball in the existing exhaust valve is positioned in the top end of the valve body, and the sealing ring needs to be scratched out during replacement, so that the replacement of the sealing ring is not simple and convenient enough, and the quick exhaust valve is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a quick exhaust valve.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a quick discharge valve, includes the valve body, valve body top fixedly connected with lid, the equal fixedly connected with second flange of valve body top and lid bottom, lid top fixedly connected with stay tube, and the equal fixedly connected with third flange of lid top and stay tube bottom, stay tube lateral wall top fixedly connected with a plurality of pole setting, a plurality of the common fixedly connected with protection casing in pole setting top, the inside bottom mounting of valve body has the backup pad, and the backup pad side has seted up a plurality of fretwork holes, backup pad upper surface middle part fixedly connected with guide structure, guide structure top fixedly connected with floater, concave station has been seted up to lid top opening part, the inside joint of concave station has the fourth sealing washer.

Further, the valve body bottom fixedly connected with first flange, first ring channel has been seted up to first flange lower surface, and the inside joint of first ring channel has first sealing washer. The flange on the pipeline can be fixedly connected through the first flange.

Further, the opening of the protective cover faces downwards, and the inner diameter of the protective cover is larger than the outer diameter of the supporting tube. The protective cover can prevent objects from entering the valve body.

Further, the adjacent sides of the second flange at the top end of the valve body and the bottom end of the cover body are respectively provided with a second annular groove, and a second sealing ring is clamped in the second annular grooves. The second sealing ring can increase the tightness of the valve body after being connected with the cover body.

Further, a third annular groove is formed in the adjacent side of the third flange at the top end of the cover body and the bottom end of the support tube, and a third sealing ring is clamped in the third annular groove. The third sealing ring can increase the tightness of the cover body after being connected with the supporting tube.

Further, the diameter of the floating ball is larger than the opening at the top end of the cover body and the inner diameter of the fourth sealing ring, and the bottom end of the supporting tube is attached to the surface of the fourth sealing ring. The fourth sealing ring can be extruded and fixed in the concave table through the supporting tube.

Further, the guide structure comprises a fixed pipe fixed in the middle of the upper surface of the support plate, a sliding block is connected inside the fixed pipe in a sliding mode, a guide rod is fixed to the top end of the sliding block, a screw rod is fixed to the top end of the guide rod, an inner thread sleeve is fixed to the bottom end of the floating ball, and the inner thread sleeve is connected with the screw rod in a threaded rotation mode. Through the direction of guide bar for the floater can not collide with the valve body inner wall when floating from top to bottom, thereby improve floater life.

The utility model has the beneficial effects that:

when the floating ball is used, the valve body, the cover body, the supporting tube, the vertical rod, the protective cover, the guide structure and the floating ball are arranged, and the guide structure is arranged to guide the floating ball to float up and down, so that friction between the floating ball and the inner wall of the valve body when the floating ball floats up and down is avoided, and the service life of the floating ball is prolonged. Secondly, can all realize dismantling between stay tube and the lid and between lid and the valve body, the fourth sealing washer is fixed through the direct extrusion of stay tube to make the change of fourth sealing washer more convenient, improve this discharge valve flexibility of use.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is a cross-sectional view of a guide structure of the present utility model;

fig. 4 is an enlarged view at a in fig. 2.

Legend description:

1. a valve body; 2. a cover body; 3. a support tube; 4. a vertical rod; 5. a protective cover; 6. a support plate; 7. a guide structure; 71. a fixed tube; 72. a slide block; 73. a guide rod; 74. a screw; 8. a floating ball; 9. an internal thread sleeve; 10. a first flange; 11. a first seal ring; 12. a second flange; 13. a second seal ring; 14. a third flange; 15. a third seal ring; 16. a concave table; 17. and a fourth sealing ring.

Detailed Description

As shown in fig. 1-4, relate to a quick exhaust valve, including valve body 1, valve body 1 top fixedly connected with lid 2, the equal fixedly connected with second flange 12 of valve body 1 top and lid 2 bottom, lid 2 top fixedly connected with stay tube 3, and the equal fixedly connected with third flange 14 of lid 2 top and stay tube 3 bottom, stay tube 3 lateral wall top fixedly connected with a plurality of pole setting 4, the common fixedly connected with protection casing 5 in a plurality of pole setting 4 tops, the inside bottom mounting of valve body 1 has backup pad 6, and a plurality of fretwork holes have been seted up to backup pad 6 side, backup pad 6 upper surface middle part fixedly connected with guide structure 7, guide structure 7 top fixedly connected with floater 8, recess 16 has been seted up to lid 2 top opening part, the inside joint of recess 16 has fourth sealing washer 17.

As shown in fig. 1, a first flange 10 is fixedly connected to the bottom end of the valve body 1, a first annular groove is formed in the lower surface of the first flange 10, and a first sealing ring 11 is clamped inside the first annular groove. The valve body 1 can be fixed on the flange of the pipeline by the first flange 10, so that the exhaust valve can be installed.

As shown in fig. 2, the shield 5 is opened downward, and the inner diameter of the shield 5 is larger than the outer diameter of the support tube 3. During the exhaust, the gas is discharged along the gap between the support tube 3 and the protective cover 5, and the protective cover 5 can prevent objects from falling into the support tube 3 and the valve body 1.

As shown in fig. 2 and fig. 4, the adjacent sides of the top end of the valve body 1 and the second flange 12 at the bottom end of the cover body 2 are respectively provided with a second annular groove, and the inside of the second annular grooves is clamped with a second sealing ring 13, so that the sealing performance between the valve body 1 and the cover body 2 can be improved by the second sealing ring 13. A third annular groove is formed in the adjacent side of the top end of the cover body 2 and the third flange 14 at the bottom end of the support tube 3, and a third sealing ring 15 is clamped in the third annular groove. The third seal ring 15 can increase the tightness between the cover 2 and the support tube 3.

As shown in fig. 2 and 4, the diameter of the floating ball 8 is larger than the opening at the top end of the cover body 2 and the inner diameter of the fourth sealing ring 17, and the bottom end of the supporting tube 3 is attached to the surface of the fourth sealing ring 17. The floating ball 8 can be attached to the fourth sealing ring 17 when floating upwards, so that liquid is prevented from being discharged, the fourth sealing ring 17 can be directly pressed and fastened inside the concave table 16 by the supporting tube 3, and when the fourth sealing ring 17 needs to be replaced, the fourth sealing ring 17 can be directly taken out for replacement after the supporting tube 3 is disassembled, so that the replacement is simpler and more convenient.

As shown in fig. 2 and 3, the guiding structure 7 comprises a fixed tube 71 fixed in the middle of the upper surface of the supporting plate 6, a sliding block 72 is slidably connected in the fixed tube 71, a guiding rod 73 is fixed at the top end of the sliding block 72, a screw 74 is fixed at the top end of the guiding rod 73, an internal thread sleeve 9 is fixed at the bottom end of the floating ball 8, and the internal thread sleeve 9 is in threaded rotation connection with the screw 74. When the floating ball 8 is replaced, the inner thread sleeve 9 at the bottom end of the floating ball 8 can be screwed off the screw 74 and then replaced. In this embodiment, the guide rod 73 and the fixing tube 71 are square, so that the guide rod 73 is prevented from rotating when the female screw sleeve 9 is rotated.

Working principle: when the pipeline that this discharge valve connects has gas, gas can outwards be discharged along valve body 1 and stay tube 3, and the back is discharged to gas, and the inside liquid of pipeline can drive floater 8 along guide bar 73 float for floater 8 and the laminating of fourth sealing washer 17 realize discharge valve from this and close, avoid liquid to discharge, owing to there is the spacing of guide bar 73, floater 8 can not collide friction with valve body 1 inner wall, avoid floater 8 wearing and tearing damage.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a quick discharge valve, includes valve body (1), its characterized in that: valve body (1) top fixedly connected with lid (2), valve body (1) top and lid (2) bottom equal fixedly connected with second flange (12), lid (2) top fixedly connected with stay tube (3), and lid (2) top and stay tube (3) bottom equal fixedly connected with third flange (14), stay tube (3) lateral wall top fixedly connected with a plurality of pole setting (4), a plurality of pole setting (4) top fixedly connected with protection casing (5) jointly, valve body (1) inside bottom fixation has backup pad (6), and backup pad (6) side has seted up a plurality of fretwork holes, backup pad (6) upper surface middle part fixedly connected with guide structure (7), guide structure (7) top fixedly connected with floater (8), concave station (16) have been seted up to lid (2) top opening part, the inside joint of concave station (16) has fourth sealing washer (17).

2. A quick release valve according to claim 1, wherein: the valve is characterized in that a first flange (10) is fixedly connected to the bottom end of the valve body (1), a first annular groove is formed in the lower surface of the first flange (10), and a first sealing ring (11) is clamped inside the first annular groove.

3. A quick release valve according to claim 1, wherein: the opening of the protective cover (5) faces downwards, and the inner diameter of the protective cover (5) is larger than the outer diameter of the supporting tube (3).

4. A quick release valve according to claim 1, wherein: the side adjacent to the second flange (12) at the top end of the valve body (1) and the bottom end of the cover body (2) is provided with a second annular groove, and a second sealing ring (13) is clamped in the second annular groove.

5. A quick release valve according to claim 1, wherein: and a third annular groove is formed in the adjacent side of the top end of the cover body (2) and the third flange (14) at the bottom end of the supporting tube (3), and a third sealing ring (15) is clamped in the third annular groove.

6. A quick release valve according to claim 1, wherein: the diameter of the floating ball (8) is larger than the inner diameter of the opening at the top end of the cover body (2) and the inner diameter of the fourth sealing ring (17), and the bottom end of the supporting tube (3) is attached to the surface of the fourth sealing ring (17).

7. A quick release valve according to claim 1, wherein: the guide structure (7) comprises a fixed pipe (71) fixed at the middle part of the upper surface of the supporting plate (6), a sliding block (72) is slidably connected inside the fixed pipe (71), a guide rod (73) is fixed at the top end of the sliding block (72), a screw rod (74) is fixed at the top end of the guide rod (73), an inner thread sleeve (9) is fixed at the bottom end of the floating ball (8), and the inner thread sleeve (9) is connected with the screw rod (74) through screw threads in a rotating mode.