CN216813123U

CN216813123U - Noise reduction device for air inlet valve and valve body of noise reduction device

Info

Publication number: CN216813123U
Application number: CN202220210337.5U
Authority: CN
Inventors: 杨碧瑜
Original assignee: Xiamen Greenkor Precision Machinery Co ltd
Current assignee: Xiamen Greenkor Precision Machinery Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-06-24
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses an intake valve noise reduction device and a valve body thereof, and the intake valve noise reduction device comprises an intake valve, wherein the top end of the outer wall of the intake valve is fixedly connected with two mounting frames, one end of each mounting frame is connected with a noise reduction assembly, each noise reduction assembly comprises connecting pipes, connecting cylinders, a U-shaped pipe, an external thread ring and connecting pieces, the two connecting pipes are respectively and fixedly arranged on one sides of the two mounting frames, the connecting cylinders are respectively and fixedly arranged at one ends of the connecting pipes, the connecting pieces are respectively and fixedly connected with one end of each connecting pipe, the external thread ring is fixedly connected with one end of each connecting pipe, and the U-shaped pipe is rotatably connected with one end of each connecting cylinder; according to the technical scheme, when the air inlet valve is disassembled, air in the air inlet valve enters the U-shaped pipe through the mounting frame, the air flows in the U-shaped pipe for buffering, impact on the connecting port when the air in the air inlet valve leaks is reduced, and therefore noise generated by the air in the air inlet valve when the air inlet valve is disassembled is reduced.

Description

Noise reduction device for air inlet valve and valve body of noise reduction device

Technical Field

The utility model relates to the technical field of valves, in particular to an intake valve noise reduction device and a valve body thereof.

Background

The air inlet valve is composed of a valve body, a rotary check valve, a butterfly valve and a control cylinder, when the equipment is started, a compressor host machine inhales air, due to the pressure difference, the check valve is rapidly opened, when the equipment is stopped, the pressure difference is controlled by a balance weight after losing, the check valve can be rapidly and tightly closed in time, the butterfly valve is ensured to be opened and closed under the control of the control cylinder, and the air inlet valve is usually used on an air inlet pipe to control air to enter the equipment.

The prior art has the following defects or problems:

inside because there is air pressure great, inside air leakage can produce very big noise when leading to the admission valve to dismantle, can influence staff's operation, influences the work of dismantling.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an intake valve noise reduction device and a valve body thereof aiming at the defects of the prior art so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an admission valve noise reduction device and valve body thereof which characterized in that: the air inlet valve comprises an air inlet valve body, two installing frames are fixedly connected to the top end of the outer wall of the air inlet valve body, one end of each installing frame is connected with a noise reduction assembly, each noise reduction assembly comprises a connecting pipe, a U-shaped pipe, an external thread ring and a connecting piece, the connecting pipes are fixedly installed on two sides of the installing frames respectively, the connecting pipes are fixedly installed on one ends of the connecting pipes, the connecting pieces are fixedly connected to one ends of the connecting pipes, the external thread rings are fixedly connected to one ends of the connecting pipes, and the U-shaped pipes are rotatably connected to one ends of the connecting pipes.

Optionally, the connecting piece is located inside the external thread ring, a connecting groove is formed in the top end of the connecting cylinder, the connecting groove is annular, an internal thread is arranged on the wall of the connecting groove, and the internal thread is meshed with the external thread ring.

Optionally, a plurality of pressure bars are installed to the spread groove inner wall, depression bar one end extends to inside the connecting cylinder, depression bar one end fixedly connected with sealing ring, the sealing ring is located inside the connecting cylinder.

Optionally, a plurality of mounting grooves have been seted up to the connecting cylinder inner wall, mounting groove cell wall bottom fixed mounting has two supporting spring, supporting spring top fixedly connected with mounting panel, fixed mounting has the dead lever in the middle of the mounting panel top.

Optionally, a rotating groove is formed in the bottom end of the connecting cylinder, the rotating groove is annular, a rotating block is rotatably mounted on the wall of the rotating groove, the U-shaped pipe is fixedly connected to the bottom end of the rotating block, a sealing piece is fixedly connected to the bottom end of the rotating block, and the sealing piece is annular.

Optionally, the top end of the fixed rod extends into the connecting groove, and the bottom end of the fixed rod extends into the rotating groove.

Compared with the prior art, the utility model provides an air inlet valve noise reduction device and a valve body thereof, which have the following beneficial effects:

1. when the air inlet valve is disassembled, air in the air inlet valve enters the U-shaped pipe through the mounting frame, the air flows in the U-shaped pipe for buffering, and impact on a connecting port when the air in the air inlet valve is leaked is reduced, so that noise generated by the internal air when the air inlet valve is disassembled is reduced;

2. according to the U-shaped pipe fixing device, the rotating block rotates on the wall of the rotating groove, and when the U-shaped pipe is installed, the U-shaped pipe drives the rotating block to rotate, so that the U-shaped pipe is prevented from being twisted together during installation, and the U-shaped pipe is prevented from being damaged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an installation view of a U-shaped tube according to the present invention;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2.

In the figure: 1. an intake valve; 2. installing a frame; 3. a connecting pipe; 4. a connecting cylinder; 5. a U-shaped pipe; 6. an externally threaded ring; 7. a connecting member; 8. connecting grooves; 9. a pressure lever; 10. a seal ring; 11. a rotating groove; 12. a seal member; 13. rotating the block; 14. a support spring; 15. mounting a plate; 16. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-3, in this embodiment: the utility model provides an admission valve noise reduction device and valve body which characterized in that: the air inlet valve comprises an air inlet valve 1, wherein the top end of the outer wall of the air inlet valve 1 is fixedly connected with two mounting frames 2, one ends of the mounting frames 2 are respectively connected with a noise reduction assembly, the noise reduction assembly comprises connecting pipes 3, connecting cylinders 4, U-shaped pipes 5, external thread rings 6 and connecting pieces 7, the two connecting pipes 3 are respectively and fixedly arranged on one sides of the two mounting frames 2, the connecting cylinders 4 are respectively and fixedly arranged at one ends of the connecting pipes 3, the connecting pieces 7 are respectively and fixedly connected to one ends of the connecting pipes 3, the external thread rings 6 are fixedly connected to one ends of the connecting pipes 3, and the U-shaped pipes 5 are rotatably connected to one ends of the connecting cylinders 4; the both ends of U type pipe 5 are installed respectively in the installing frame 2 of admission valve 1 both sides, and when admission valve 1 dismantled, the inside air of admission valve 1 passed through the installing frame 2 and gets into U type pipe 5, and the air flows in U type pipe 5 and cushions, thereby reduces among the admission valve 1 when the air reveals the noise that the impact that causes the connector when reducing admission valve 1 and dismantle because inside air produces.

The connecting piece 7 is positioned inside the external thread ring 6, the top end of the connecting cylinder 4 is provided with a connecting groove 8, the connecting groove 8 is annular, the groove wall of the connecting groove 8 is provided with internal threads, the internal threads are meshed with the external thread ring 6, the inner wall of the connecting groove 8 is provided with a plurality of pressure rods 9, one end of each pressure rod 9 extends into the connecting cylinder 4, one end of each pressure rod 9 is fixedly connected with a sealing ring 10, and the sealing ring 10 is positioned inside the connecting cylinder 4; when installing U type pipe 5, twist external screw thread ring 6 in spread groove 8, sealing ring 10 inner wall is gone into to connecting piece 7 card, and external screw thread ring 6 supports depression bar 9 and moves to inside, drives sealing ring 10 card at connecting piece 7 outer wall, seals U type pipe 5 installation department, has realized the effect of sealing connection pipe 3 and connecting cylinder 4.

The inner wall of the connecting cylinder 4 is provided with a plurality of mounting grooves, two supporting springs 14 are fixedly mounted at the bottom ends of the groove walls of the mounting grooves, mounting plates 15 are fixedly connected to the top ends of the supporting springs 14, fixing rods 16 are fixedly mounted in the middles of the top ends of the mounting plates 15, the top ends of the fixing rods 16 extend into the connecting grooves 8, and the bottom ends of the fixing rods 16 extend into the rotating grooves 11; supporting spring 14 supports mounting panel 15, and mounting panel 15 drives dead lever 16 and reciprocates, and external screw thread ring 6 rotates downstream when installation U type pipe 5, pushes down dead lever 16, drives dead lever 16 and moves downstream to push down turning block 13, turning block 13 supports sealing member 12 and blocks up the gap of turning groove 11 bottom, plays the effect that prevents the release of air of U type pipe 5.

The bottom end of the connecting cylinder 4 is provided with a rotating groove 11, the rotating groove 11 is annular, the groove wall of the rotating groove 11 is rotatably provided with a rotating block 13, the U-shaped pipe 5 is fixedly connected to the bottom end of the rotating block 13, the bottom end of the rotating block 13 is fixedly connected with a sealing element 12, and the sealing element 12 is annular; the rotating block 13 rotates on the wall of the rotating groove 11, and when the U-shaped pipe 5 is installed, the U-shaped pipe 5 drives the rotating block 13 to rotate, so that the U-shaped pipe 5 is prevented from being twisted together during installation, and the U-shaped pipe 5 is prevented from being damaged.

The working principle and the using process of the utility model are as follows: when the noise reduction device of the air inlet valve is used, the external thread ring 6 is screwed into the connecting groove 8, the connecting piece 7 is clamped into the inner wall of the sealing ring 10, the external thread ring 6 supports the pressure rod 9 to move inwards to drive the sealing ring 10 to be clamped on the outer wall of the connecting piece 7, the installation position of the U-shaped pipe 5 is sealed, the supporting spring 14 supports the installation plate 15, the installation plate 15 drives the fixed rod 16 to move up and down, the external thread ring 6 rotates to move downwards when the U-shaped pipe 5 is installed, the fixed rod 16 is pressed, the fixed rod 16 is driven to move downwards, thereby pressing the rotating block 13, the rotating block 13 supports the sealing piece 12 to block the gap at the bottom end of the rotating groove 11, when the air inlet valve 1 is disassembled, the air in the air inlet valve 1 enters the U-shaped pipe 5 through the mounting frame 2, the air flows in the U-shaped pipe 5 for buffering, so that the impact on the connecting port when the air leaks in the air inlet valve 1 is reduced, and the noise generated by the internal air when the air inlet valve 1 is detached is reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an admission valve noise reduction device and valve body which characterized in that: the air inlet valve comprises an air inlet valve (1), wherein the top end of the outer wall of the air inlet valve (1) is fixedly connected with two mounting frames (2), and one ends of the mounting frames (2) are connected with noise reduction assemblies;

the noise reduction assembly comprises connecting pipes (3), connecting cylinders (4), U-shaped pipes (5), external thread rings (6) and connecting pieces (7), wherein the connecting pipes (3) are fixedly installed on one sides of the installing frames (2) respectively, the connecting cylinders (4) are fixedly installed at one ends of the connecting pipes (3), the connecting pieces (7) are fixedly connected to one ends of the connecting pipes (3), the external thread rings (6) are fixedly connected to one ends of the connecting pipes (3), and the U-shaped pipes (5) are rotatably connected to one ends of the connecting cylinders (4).

2. An intake valve noise reducing apparatus and a valve body thereof according to claim 1, wherein: connecting piece (7) are located inside external screw thread ring (6), spread groove (8) have been seted up on connecting cylinder (4) top, spread groove (8) are the annular, spread groove (8) cell wall is provided with the internal thread, the internal thread with external screw thread ring (6) mesh mutually.

3. An intake valve noise reducing apparatus and a valve body thereof according to claim 2, wherein: a plurality of depression bars (9) are installed to spread groove (8) inner wall, depression bar (9) one end extends to inside connecting cylinder (4), depression bar (9) one end fixedly connected with sealing ring (10), sealing ring (10) are located inside connecting cylinder (4).

4. An intake valve noise reducing apparatus and a valve body thereof according to claim 1, wherein: a plurality of mounting grooves have been seted up to connecting cylinder (4) inner wall, mounting groove cell wall bottom fixed mounting has two supporting spring (14), supporting spring (14) top fixedly connected with mounting panel (15), fixed mounting has dead lever (16) in the middle of mounting panel (15) top.

5. An intake valve noise reducing apparatus and a valve body thereof according to claim 1, wherein: the rotary groove (11) is formed in the bottom end of the connecting cylinder (4), the rotary groove (11) is annular, a rotary block (13) is installed by the wall of the rotary groove (11) in a rotating mode, the U-shaped pipe (5) is fixedly connected to the bottom end of the rotary block (13), a sealing piece (12) is fixedly connected to the bottom end of the rotary block (13), and the sealing piece (12) is annular.

6. An intake valve noise reducing apparatus and a valve body thereof according to claim 4, wherein: the top end of the fixed rod (16) extends into the connecting groove (8), and the bottom end of the fixed rod (16) extends into the rotating groove (11).