Safety valve with noise reduction structure

Abstract

The utility model discloses a safety valve with a noise reduction structure. The safety valve comprises a safety valve body and a base connected with the safety valve body. A plurality of exhaust holes are formed in the surface of the protective barrel, a pair of extending bases are arranged on the two sides of the base, a pair of supporting columns vertically extending upwards are arranged on the pair of extending bases, a waterproof top frame is fixedly connected to the tops of the pair of supporting columns, and a baffle extending downwards is arranged at the position, close to the outer edge, of the lower portion of the waterproof top frame; the width of the waterproof top frame is larger than that of the base, a telescopic device is arranged in the waterproof top frame, a movable plate is arranged below the waterproof top frame, the output end of the telescopic device penetrates through the waterproof top frame and then is connected with the upper portion of the movable plate, a second motor is arranged at the bottom of the movable plate, and a cylindrical cleaning piece is connected to an output shaft below the second motor. The bottom of the cleaning piece is open, the inner diameter of the cleaning piece is matched with the outer diameter of the protective cylinder, and bristles are arranged on the inner wall of the cleaning piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of safety valve, concretely relates to a safety valve with noise reduction structure. BACKGROUND

[0002] Safety valve is the closing piece under the action of external force and is in the normally closed state, when the medium pressure in the equipment or pipeline rises more than the specified value, the special valve is discharged to the system to prevent the medium pressure in the pipeline or equipment from exceeding the specified value, safety valve belongs to automatic valve, mainly used in boiler, pressure vessel and pipeline, control pressure does not exceed the specified value, and it plays an important protective role for personal safety and equipment operation.[0 003]When the safety valve reaches the threshold and discharges to reduce pressure, a lot of noise will be formed in the exhaust pipe, which pollutes the working environment and causes harm to the health of workers, so in some factories, the noise reduction and silencing operation is carried out by setting the silencing structure at the exhaust pipe of the safety valve.

[0003] As prior art, Chinese patent CN217130505U proposes a safety valve with noise reduction effect, sets up motor adjustment protection cylinder rotation, protection cylinder rotation can protect silencing structure, so as to avoid that rainwater corrodes silencing structure, but the technical scheme still has the following problems: one, the arc top of the top of the protection cylinder, rainwater is easy to mix with dust and block the exhaust hole of the protection cylinder, lacking the structure for cleaning; two, the motor does not play the rain protection, and the service life may be affected by water and other conditions after long-term use. Therefore, there is still room for improvement. UTILITY MODEL CONTENT

[0004] The utility model aims at a safety valve with noise reduction structure to solve the problems in the background art.

[0005] The utility model discloses a safety valve with noise reduction structure, which comprises a safety valve body and a base connected with the safety valve body.

[0006] The waterproof top seat has a larger area, and the baffle can block rainwater on the side, so that the rainproof effect is better, and the situation that rainwater and dust mix to block the exhaust holes of the protective cylinder is reduced, the first motor is also protected from rain, the service life of the first motor is prolonged, when sewage and impurities need to be cleaned from the surface of the protective cylinder, the second motor is started, the second motor is driven to rotate to drive the cleaning piece to rotate, then the telescopic device is started to drive the movable frame to move down, so that the cleaning piece moves down, the brush contacts the surface of the protective cylinder, the cleaning piece rotates and moves at the same time, so that the surface of the protective cylinder is cleaned, after cleaning, the telescopic device drives the movable plate to move up, so that the cleaning cylinder moves up and resets.

[0007] As a further optimization of the utility model, the cross-sectional shape of the waterproof top frame is an isosceles triangle that is narrow at the top and wide at the bottom.

[0008] As a further optimization of the utility model, both sides of the movable plate are provided with sliding holes and are connected with a pair of support columns in an up-down sliding manner.

[0009] The above technical scheme makes the movable plate move up and down more stably.

[0010] As a further optimization of the utility model, the telescopic device is an electric push rod or an air cylinder.

[0011] As a further optimization of the utility model, the support column is detachably connected with the base.

[0012] The above technical scheme sets the support column as detachable, which can facilitate maintenance or replacement of the waterproof top frame.

[0013] The utility model discloses the area of waterproof top seat is larger, and the baffle can be blocked to rainwater on the side, therefore has better rainproof effect, thereby reduces the situation that rainwater slippage mixes with dust and blocks the exhaust hole of the protection cylinder, also plays a certain rainproof protection function to the first motor, prolongs its service life, if the surface of protection cylinder has sewage impurity and needs to be cleaned, opens second motor, drives second motor rotation to drive the cleaning piece rotation, then opens telescopic device drive movable frame and moves down, thereby drive the cleaning piece and move down, make that the brush contacts the surface of protection cylinder, and the cleaning piece rotates and removes simultaneously, thereby cleans the surface of protection cylinder, after cleaning, telescopic device drives movable plate and moves up, thereby makes that cleaning cylinder moves up and resets. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the structure schematic diagram of the utility model;

[0015] Fig. 2 It is another visual angle structure schematic diagram of the base in the utility model.

[0016] The meaning of figure mark: 1, safety valve body;2, base;21, protection cylinder;211, exhaust hole;22, first motor;3, support column;4, waterproof top frame;41, baffle;42, cavity;43, telescopic device;5, movable plate;51, sliding hole;6, cleaning piece;61, brush hair;7, second motor. DETAILED DESCRIPTION

[0017] This embodiment is only the explanation of the utility model, and is not the limitation of the utility model, and the person skilled in the art can make the modification of no creative contribution according to the need after reading the present specification, but as long as in the right claim range of the utility model, it is protected by the patent law.

[0018] Refer to the Figs. 1-2 The utility model discloses a safety valve with the further setting of the embodiment of the utility model has the structure of reducing noise, including safety valve body 1 and with the base 2 of safety valve body 1 is connected, and the base 2 is connected with safety valve body 1 through the connecting pipe;Still including the protection cylinder 21 set up in the base 2 top and the first motor 22 set up in the base 2 one side, the surface of protection cylinder 21 is seted up with several exhaust holes 211;

[0019] The base 2 is provided with a pair of extension seats, a pair of support columns 3 extending vertically upward is arranged on the pair of extension seats, a waterproof top frame 4 is fixedly connected to the top of the pair of support columns 3, a baffle 41 extending downward is arranged on the lower part of the waterproof top frame 4 close to the outer edge, the width of the waterproof top frame 4 is greater than the width of the base 2, the outer edge of the waterproof top frame 4 in the horizontal direction exceeds the outer end position of the motor in the horizontal direction, the cross-sectional shape of the waterproof top frame 4 is an isosceles triangle with the width of the lower part being greater than the width of the upper part, further, the support column 3 is detachably connected to the base 2, so that the waterproof top frame 4 can be conveniently maintained or replaced.

[0020] The waterproof top frame 4 is provided with a mounting cavity, a telescopic device 43 is arranged in the mounting cavity, specifically, the telescopic device 43 is an electric push rod or a pneumatic cylinder, a movable plate 5 is arranged below the waterproof top frame 4, the output end of the telescopic device 43 passes through the waterproof top frame 4 and is connected to the upper part of the movable plate 5, a second motor 7 is arranged at the bottom of the movable plate 5, a cleaning piece 6 in the shape of a cylinder is connected to the output shaft below the second motor 7, the cleaning piece 6 is open at the bottom and the inner diameter thereof is matched with the outer diameter of the protective cylinder 21, brush hairs 61 are arranged on the inner wall of the cleaning piece 6, further, a sliding hole 51 is arranged on each side of the movable plate 5 and is connected to the pair of support columns 3 in a sliding manner, so that the movable plate 5 can move more stably when moving up and down.

[0021] The principle of the utility model is that the area of the waterproof top frame is large, the baffle 41 can block the rainwater on the side, so that the rainproof effect is better, so that the situation that the rainwater and dust mix to block the exhaust hole 211 of the protective cylinder 21 is reduced, the first motor 22 is also protected from the rain, and the service life of the first motor 22 is prolonged.

[0022] When the surface of the protective cylinder 21 needs to be cleaned, the second motor 7 is started, the second motor 7 is driven to rotate and drives the cleaning piece 6 to rotate, then the telescopic device 43 is started to drive the movable frame to move downward, so that the cleaning piece 6 moves downward, the brush hairs contact the surface of the protective cylinder 21, and the cleaning piece 6 rotates and moves at the same time, so that the surface of the protective cylinder 21 is cleaned.

[0023] After cleaning, the telescopic device 43 drives the movable plate 5 to move upward, so that the cleaning cylinder moves upward and resets.

[0024] The above only describes the preferred embodiments of the utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made without departing from the technical principles of the utility model, and the improvements and modifications of the above assumptions should also be regarded as the protection range of the utility model.

Claims

1. A safety valve with a noise reduction structure, comprising a safety valve body (1) and a base (2) connected with the safety valve body (1); further comprising a protective cylinder (21) arranged above the base (2) and a first motor (22) arranged on one side of the base (2), a surface of the protective cylinder (21) is provided with a plurality of exhaust holes (211), characterized in that, Two sides of the base (2) are provided with a pair of extension seats, the pair of extension seats are provided with a pair of support columns (3) extending vertically upward, the top of the pair of support columns (3) is fixedly connected with a waterproof top frame (4), the waterproof top frame is provided with a baffle (41) extending downward near the outer edge, the width of the waterproof top frame (4) is greater than the width of the base (2), the waterproof top frame (4) is provided with a mounting cavity, the mounting cavity is provided with a telescopic device (43), the bottom of the waterproof top frame (4) is provided with a movable plate (5), the output end of the telescopic device (43) is connected with the top of the movable plate (5) after penetrating through the waterproof top frame (4), the bottom of the movable plate (5) is provided with a second motor (7), the output shaft of the second motor (7) is connected with a cleaning piece (6) in a cylindrical shape, the bottom of the cleaning piece (6) is open and the inner diameter is matched with the outer diameter of the protection cylinder (21), the inner wall of the cleaning piece (6) is provided with bristles (61).

2. The safety valve with noise reduction structure according to claim 1, characterized in that, The cross-sectional shape of the waterproof top frame (4) is an isosceles triangle with narrow top and wide bottom.

3. The safety valve with noise reduction structure according to claim 1, characterized in that, The movable plate (5) is provided with a sliding hole (51) on both sides and is connected with the pair of support columns (3) in sliding mode.

4. The safety valve with noise reduction structure according to claim 1, characterized in that, The telescopic device (43) is an electric push rod or an air cylinder.

5. The safety valve with noise reduction structure according to claim 1, characterized in that, The support column (3) is detachably connected with the base (2).

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