CN219493083U

CN219493083U - Air quantity airtight regulating valve capable of preventing leakage

Info

Publication number: CN219493083U
Application number: CN202320822430.6U
Authority: CN
Inventors: 曾鹏伟
Original assignee: Shanghai Zhenzhi Environmental Protection Technology Co ltd
Current assignee: Shanghai Zhenzhi Environmental Protection Technology Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-08-08
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a leakage-proof air quantity closed regulating valve, and relates to the technical field of air quantity regulating valves. The utility model comprises a valve body, a valve blade which is arranged in the valve body and used for controlling ventilation quantity, a steering engine which is fixedly arranged in the middle of the outer side of the valve body and used for driving the valve blade to rotate, and a central shaft which is fixedly arranged at the output end of the steering engine, wherein a plugging cap is welded in the middle of the outer side of the valve body, a temperature sleeve is embedded in the plugging cap, and a sealing ring which is used for filling the gap between the valve blade and the valve body is adhered to the edge of the valve blade. According to the utility model, the sealing ring adhered to the edge of the valve blade is arranged, so that no gap exists between the valve blade and the valve body, sealing is realized when the valve body is completely closed, leakage is hardly caused, the sealing ring made of silica gel has good high temperature resistance, the valve blade is detachable through the bolts uniformly distributed on the outer side of the center shaft, the replacement of the sealing ring is convenient, the sealing ring is plugged by welding the middle part of the outer side of the valve body, and the interior of the sleeve is made of pure graphene material, so that the temperature conduction can be effectively reduced.

Description

Air quantity airtight regulating valve capable of preventing leakage

Technical Field

The utility model belongs to the technical field of air quantity regulating valves, and particularly relates to an air quantity sealing regulating valve capable of preventing leakage.

Background

The air quantity regulating valve is arranged on the ventilating duct and used for regulating the air quantity, and the air quantity regulating valves arranged on the pipelines of the air supply, return air, exhaust air and fresh air systems in the domestic air purification industry and the ventilating industry at present have gap leakage quantity of 1-3mm, so that the energy consumption of the system operation is wasted, the production cost is increased, and in addition. The front end of the center shaft is not provided with an isolation temperature, and the normal operation of equipment can be affected, so that an anti-leakage air quantity closed regulating valve is provided to solve the problems in the prior art.

Disclosure of Invention

The utility model provides a leakage-proof air quantity closed regulating valve aiming at the problems in the prior art, and the leakage-proof air quantity closed regulating valve can effectively solve the problems in the prior art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a leakage-proof air quantity airtight regulating valve which comprises a valve body, a valve blade, a steering engine and a central shaft, wherein the valve blade is arranged in the valve body and used for controlling ventilation quantity, the steering engine is fixedly arranged in the middle of the outer side of the valve body and used for driving the valve blade to rotate, the central shaft is fixedly arranged at the output end of the steering engine, a plugging cap is welded in the middle of the outer side of the valve body, a temperature-isolating sleeve is embedded in the plugging cap, sleeves are rotationally connected to the two ends of the central shaft, a sealing ring used for filling a gap between the valve blade and the valve body is adhered to the edge of the valve blade, a limiting strip is welded in the sealing ring, the sealing ring is attached to the limiting strip, bolts are uniformly distributed on the outer side of the central shaft, and the valve blade is fixedly arranged with the central shaft through the bolts.

Further, the sealing ring is made of silica gel.

Further, the joint of the plugging cap and the valve body is sealed.

Further, pure graphene materials are adopted inside the sleeve.

Further, the valve leaf is attached to the center shaft.

Further, the center shaft penetrates through the valve body.

The utility model has the following beneficial effects:

according to the utility model, the sealing ring adhered to the edge of the valve blade is arranged, so that no gap exists between the valve blade and the valve body, sealing is realized when the valve body is completely closed, leakage is hardly caused, the sealing ring made of silica gel has good high temperature resistance, the valve blade can be detached through the bolts uniformly distributed on the outer side of the center shaft, the replacement of the sealing ring is convenient, the sealing ring is conveniently replaced through the sealing cap welded at the middle part of the outer side of the valve body, the joint of the sealing cap and the valve body is sealed, no air leaks at the joint of the center shaft and the sleeve in a rotating way, and the interior of the sleeve is made of pure graphene material, so that temperature conduction can be effectively reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall assembly of the present utility model;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1A according to the present utility model;

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

fig. 4 is an enlarged view of a portion of fig. 3B in accordance with the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a valve body; 2. a valve blade; 3. steering engine; 4. a center shaft; 5. a seal ring; 6. a limit bar; 7. a bolt; 8. a sleeve; 9. plugging the cap.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the utility model discloses a leakage-proof air volume closed regulating valve, which comprises a valve body 1, a valve blade 2, a steering engine 3 and a central shaft 4, wherein the valve blade 2 is arranged in the valve body 1 and is used for controlling ventilation volume, the steering engine 3 is fixedly arranged in the middle of the outer side of the valve body 1 and is used for driving the valve blade 2 to rotate, the central shaft 4 is fixedly arranged at the output end of the steering engine 3, the valve body 1 is cylindrical, a connecting flange is welded at the edge of the valve body 1, the device is fixedly arranged at the upper end of a ventilating pipeline, when the ventilation volume needs to be regulated, the steering engine 3 is started, the output end of the steering engine 3 is rotationally driven to rotationally drive the central shaft 4 fixedly arranged at the output end of the steering engine 3, bolts 7 are uniformly distributed on the outer side of the central shaft 4, the central shaft 4 is rotationally driven to rotationally drive the valve blade 2 fixedly arranged at the outer side of the central shaft 4 through the bolts 7, the ventilation area of the ventilation opening is changed, the ventilation volume is changed through the bolts 7, the valve blade 2 is fixed on the central shaft 4, the ventilation volume is convenient to disassemble, and the air volume regulating valve is convenient to maintain and care in the later stage.

The middle part outside the valve body 1 is welded with the shutoff cap 9, the inside of the shutoff cap 9 is embedded with the sleeve 8, the middle shaft 4 penetrates through the valve body 1, the two ends of the middle shaft 4 are all rotationally connected with the sleeve 8, the inside of the sleeve 8 is made of pure graphene materials, the temperature conduction of the inside of a pipeline can be effectively reduced, the outside conduction of the temperature of the pipeline to an actuator or a handle control end is effectively reduced, the edge of the valve blade 2 is adhered with the sealing ring 5 used for filling the gap between the valve blade 2 and the valve body 1, when the ventilation control valve is completely closed, the valve blade 2 is adhered with the middle shaft 4 to completely block the inner cavity of the valve body 1, at the moment, the sealing ring 5 is adhered with the arc-shaped limiting strip 6 welded in the valve body 1, the complete sealing is realized, the internal gas can not leak, the sealing ring 5 made of silica gel materials can bear the high temperature of up to 150 ℃, the air quantity control valve can stably work at the high temperature, the joint of the shutoff cap 9 and the valve body 1 is sealed, and the tightness of the air quantity control valve is further ensured.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The utility model provides a leakproof air quantity airtight regulating valve, includes valve body (1), valve body (1) inside valve leaf (2) that are used for controlling the ventilation volume that set up, valve body (1) outside middle part fixed mounting be used for driving valve leaf (2) pivoted steering wheel (3) and steering wheel (3) output fixed mounting's axis (4), its characterized in that: the sealing device is characterized in that a sealing cap (9) is welded in the middle of the outer side of the valve body (1), a temperature-isolating sleeve (8) is embedded in the sealing cap (9), sleeves (8) are connected to two ends of a central shaft (4) in a rotating mode, a sealing ring (5) for filling a gap between the valve blade (2) and the valve body (1) is bonded at the edge of the valve blade (2), a limiting strip (6) is welded in the sealing ring (5), the sealing ring (5) is attached to the limiting strip (6), bolts (7) are uniformly distributed on the outer side of the central shaft (4), and the valve blade (2) is fixedly mounted with the central shaft (4) through the bolts (7).

2. The leakage-proof air volume closed regulating valve according to claim 1, wherein: the sealing ring (5) is made of silica gel.

3. The leakage-proof air volume closed regulating valve according to claim 1, wherein: the joint of the plugging cap (9) and the valve body (1) is sealed.

4. The leakage-proof air volume closed regulating valve according to claim 1, wherein: pure graphene materials are adopted in the sleeve (8).

5. The leakage-proof air volume closed regulating valve according to claim 1, wherein: the valve blade (2) is attached to the middle shaft (4).

6. The leakage-proof air volume closed regulating valve according to claim 1, wherein: the center shaft (4) penetrates through the valve body (1).