CN209277950U - A kind of water pump muffler - Google Patents

Abstract

The utility model discloses a kind of water pump mufflers, belong to water pump technology, solves the problems, such as service life, its key points of the technical solution are that including sound attenuating body, it is connected to the threaded ends of sound attenuating body one end, and it is connected to the exhaust end of the sound attenuating body other end, the sound attenuating body includes shell, the hanging inner casing of bridge joint inside the housing, the bottom of the inner casing is provided with opening, the opening is fixedly connected with fixed lid, the side wall of the inner casing is provided with several equally distributed sound attenuation holes, noise elimination substrate is provided in the inner casing, oil removing is reached, the effect improved service life.

Description

A kind of water pump muffler

Technical field

The utility model relates to water pump technologies, particularly, are related to a kind of water pump muffler.

Background technique

The structure of pneumatic sump pump is driven using air motor in the market, therefore by that can produce after air motor Mist of oil can be carried in raw biggish noise and air.The service life and using effect of muffler can reduce as a result, mist of oil It is easy blocking or influences the effect of the reduction noise of muffler.

Currently, application No. is 201210052930.2 Chinese patents to disclose a kind of Pneumatic water pump, comprising: ontology, institute Stating ontology includes air motor, water pump, and the air motor and water pump are integrated setting, and the air motor is equipped with air inlet Mouthful, exhaust outlet, the water pump is equipped with water inlet, discharge outlet, and the air motor includes shell, upper end cover, lower cover, described Upper end cover and lower cover are set on the shell with the shell assembly connection, the air inlet and exhaust outlet respectively, are being vented Silencer is connected on mouthful, but this structure, silencer is not improved, is not able to satisfy current requirement.

Utility model content

The utility model is intended to solve at least some of the technical problems in related technologies.In view of this, The utility model aim is to propose water pump muffler have oil removing, reduce exhaust of oil, improve service life and imitate with noise reduction Fruit.

In order to solve the above-mentioned technical problem, the technical solution of the utility model is: a kind of water pump muffler, including noise reduction Main body, the threaded ends for being connected to sound attenuating body one end and the exhaust end for being connected to the sound attenuating body other end, the noise reduction Main body includes shell, the inner casing of hanging bridge joint inside the housing, the sound attenuating body include shell, hanging bridge joint inside the housing Inner casing, the inner casing include the first panel portion being from top to bottom arranged, second panel portion, third panel part, fourth face plate portion, And if dry standpipe portion, the vertical tube portion through first panel portion, second panel portion, third panel part, fourth face plate portion and It is uniformly distributed in circumferential, the open at its lower end and the other end in vertical tube portion are welded in first panel portion in closing, vertical tube position It is provided with bloop on side wall between second panel portion and third panel part, the second panel portion and third panel part Center is connected with big pipe portion, and the open upper end and the other end of big pipe portion are welded in second panel portion in closing, greatly It is provided with bloop on the side wall of pipe portion, first panel portion and fourth face plate portion center are recessed and be also equipped with noise reduction Hole.

By above-mentioned setting, air can reach second panel by vertical tube portion and the bloop in vertical tube portion Between portion and third panel part, the inside of big pipe portion is then entered by the bloop of big pipe portion, is entering first panel Between portion and second panel portion, air is discharged by the bloop in first panel portion later, during this, the kinetic energy quilt of oil liquid The consumption of this inner casing configuration, air repeatedly can effectively be dispersed, and can reduce sound.It is mainly reduced using this structure humorous The generation of vibration reduces noise so as to reduce vibration.

Concrete scheme as the utility model can be preferred are as follows: the bottom of the inner casing is provided with opening, the opening It is fixedly connected with fixed lid, the side wall of the inner casing is provided with several equally distributed sound attenuation holes, is provided with and disappears in the inner casing Sound substrate.

By above-mentioned setting, threaded ends facilitate sound attenuating body to be attached and install, so that sound attenuating body is installed on Stronger on water pump, convenient disassembly is convenient for the placement of noise elimination substrate using inner casing, while inner casing is in the mode of hanging bridge joint Air drag is reduced, and air can change the vibration frequency of air by sound attenuation hole, to avoid the generation of resonance.Thus oily Gas when by bloop and can collide on inner casing or on substrate when noise elimination substrate, so that savings is at inner casing bottom Portion is not easy to be discharged from exhaust end.

Concrete scheme as the utility model can be preferred are as follows: the noise elimination substrate is sponge, non-woven fabrics or cotton.

By above-mentioned setting, using sponge, non-woven fabrics or cotton, these shapes are easy to change, and have self- recoverage, or The characteristic of expansion, therefore be easily put into inner casing, and start reduction air vibration, and receive oil gas, it is also convenient simultaneously Replacement.

Concrete scheme as the utility model can be preferred are as follows: is provided with Arcuate flexible on the inner wall of the exhaust end The inner wall of exhaust end is fixed in flow deflector, described flow deflector one end, and the other end is free end.

By above-mentioned setting, flow deflector is further able to reduce exhaust of oil, and oil liquid is enabled to flow back.Air stream Also the free end of flow deflector can be passed through.

Concrete scheme as the utility model can be preferred are as follows: the inner shell bottom is equipped with adjusting cover, the adjusting The enclosure connects outside inner casing and is rotatablely connected by shaft and inner casing, adjustings cover be provided with aperture and position all with inner casing pair The adjustment hole answered.

By above-mentioned setting, the rotation for adjusting cover is utilized, thus it is possible to vary the dislocation area of adjustment hole and bloop changes, from And it can change air-flow and pass through size.

The utility model has the technical effect that following aspect: having oil removing, reduces exhaust of oil, improves and use the longevity Life and noise reduction effect, it is easy to use.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of embodiment 1；

Fig. 2 is the structure sectional view in embodiment 1；

Fig. 3 is the structural upright schematic diagram of the inner casing in embodiment 1；

Fig. 4 is the structure sectional view of embodiment 2；

Fig. 5 is the structure sectional view in embodiment 3；

Fig. 6 is that the structure in embodiment 3 adjusts the cross-sectional view covered.

Appended drawing reference: 1, sound attenuating body；11, shell；12, inner casing；121, first panel portion；122, second panel portion； 123, third panel part；124, fourth face plate portion；125, vertical tube portion；126, big pipe portion；13, it is open；14, fixed lid；15, it eliminates the noise Hole；16, noise elimination substrate；2, threaded ends；3, exhaust end；4, flow deflector；5, cover is adjusted；51, adjustment hole；6, shaft；7, even Connect block.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, so that technical solutions of the utility model are more It should be readily appreciated that and grasp, and should not be understood as limiting the present invention.

Embodiment 1:

A kind of water pump muffler including sound attenuating body 1, is connected to 1 one end of sound attenuating body referring to fig. 1 and fig. 2 Threaded ends 2 and the exhaust end 3 for being connected to 1 other end of sound attenuating body.Sound attenuating body 1 includes shell 11, is vacantly bridged on Inner casing 12 inside shell 11.

Referring to figs. 2 and 3 shown in, inner casing 12 include from top to bottom be arranged first panel portion 121, second panel portion 122, If third panel part 123, fourth face plate portion 124 and dry standpipe portion 125, the vertical tube portion 125 through first panel portion 121, It second panel portion 122, third panel part 123, fourth face plate portion 124 and is uniformly distributed in circumferential, the lower end in vertical tube portion 125 is spacious It opens and the other end is welded in first panel portion 121 in closing, vertical tube portion 125 is located at second panel portion 122 and third face Bloop, the center company in the second panel portion 122 and third panel part 123 are provided on side wall between plate portion 123 It is connected to big pipe portion 126, the open upper end and the other end of big pipe portion 126 are welded in second panel portion 122 in closing, big to manage It is provided with bloop 15 on the side wall in portion 126, first panel portion 121 and 124 centers of fourth face plate portion are recessed and also set It is equipped with bloop 15.In the present embodiment, vertical tube portion 125 uses six, and big pipe portion 126 uses one.Big pipe portion 126 Diameter is greater than vertical tube portion 125.

Air can reach second panel portion 122 by vertical tube portion 125 and the bloop 15 in vertical tube portion 125 Between third panel part 123, the inside of big pipe portion 126 is then entered by the bloop of big pipe portion 126, is entering Between one panel part 121 and second panel portion 122, air, this mistake are discharged by the bloop 15 in first panel portion 121 later The kinetic energy of Cheng Zhong, oil liquid are consumed by this 12 structure of inner casing, and air repeatedly can effectively be dispersed, and can reduce sound.It adopts It is mainly to reduce the generation of resonance with this structure, so as to reduce vibration, reduces noise.

Embodiment 2:

A kind of water pump muffler, refering to what is shown in Fig. 4, the bottom of inner casing 12 is provided with opening 13, opening 13 is fixedly connected There is fixed lid 14, the side wall of inner casing 12 is provided with several equally distributed sound attenuation holes 15, is provided with noise elimination substrate 16 in inner casing 12. The hanging bridge joint of inner casing 12 is welded and fixed by link block 7.Shell 11 and inner casing 12 are substantially cylindrical.

Production process is attached by the way of welding.Installation for inner casing 12 and shell 11 is all to pass through welding Mode carry out.Shell 11 is that half-and-half, inner casing 12 is also that half-and-half, the two is welded and fixed by link block 7 and then will Two halves docking, then weld, thus complete cost structure.

Threaded ends 2 facilitate sound attenuating body 1 to be attached and install, so that sound attenuating body 1 is installed on water pump more Securely, convenient disassembly is convenient for the placement of noise elimination substrate 16 using inner casing 12, while inner casing 12 is in the mode of hanging bridge joint and reduces Air drag, and air can change the vibration frequency of air by sound attenuation hole 15, to avoid the generation of resonance.Thus oil gas It when by bloop and can be collided on inner casing 12 or on substrate when noise elimination substrate 16, so that savings is in inner casing 12 Bottom is not easy to be discharged from exhaust end 3.

Specifically, noise elimination substrate 16 is sponge, non-woven fabrics or cotton.Using sponge, non-woven fabrics or cotton, these are described outside Malleable, and there is self- recoverage, or the characteristic of expansion, therefore be easily put into inner casing 12, and start reduction air vibration It is dynamic, and oil gas is received, also it is convenient for changing simultaneously.

Embodiment 3:

A kind of water pump muffler is provided with the water conservancy diversion of Arcuate flexible with reference to shown in Fig. 5 and Fig. 6 on the inner wall of exhaust end 3 The inner wall of exhaust end 3 is fixed in piece 4,4 one end of flow deflector, and the other end is free end.Flow deflector 4 is further able to reduce oil gas row It puts, and oil liquid is enabled to flow back.Air stream can also pass through the free end of flow deflector 4.

On the other hand, 12 bottom of inner casing is equipped with adjusting cover 5, adjust cover 5 be socketed in inner casing 12 it is outer and by shaft 6 with it is interior Shell 12 is rotatablely connected, and the fixation lid 14 in embodiment 1 is replaced by the shaft 6 of the present embodiment.This 6 end of shaft has the side of deformation Edge, plays fixed function, and shaft 6 can be rotated.Adjust cover 5 on be provided with aperture and position all with the corresponding tune of inner casing 12 Knothole 51.In Fig. 4, rotated according to arrow direction, it can be with execution.Utilize the rotation for adjusting cover 5, thus it is possible to vary adjustment hole 51 and bloop dislocation area change, pass through size so as to change air-flow.

Certainly, the representative instance of above only the utility model, in addition to this, the utility model can also have other a variety of Specific embodiment, all technical solutions formed using equivalent substitution or equivalent transformation all fall within the requires of the utility model protection Within the scope of.

Claims (5)

1. a kind of water pump muffler including sound attenuating body, is connected to the threaded ends of sound attenuating body one end and is connected to The exhaust end of the sound attenuating body other end, characterized in that the sound attenuating body includes shell, hanging bridge joint inside the housing interior Shell, the inner casing include the first panel portion being from top to bottom arranged, second panel portion, third panel part, fourth face plate portion and If dry standpipe portion, the vertical tube portion is through first panel portion, second panel portion, third panel part, fourth face plate portion and is in week To being uniformly distributed, the open at its lower end and the other end in vertical tube portion are welded in first panel portion in closing, and vertical tube portion is located at the Bloop, the center in the second panel portion and third panel part are provided on side wall between two panel parts and third panel part Position is connected with big pipe portion, and the open upper end and the other end of big pipe portion are welded in second panel portion in closing, big pipe portion Side wall on be provided with bloop, first panel portion and fourth face plate portion center are recessed and be also equipped with bloop.

2. water pump muffler as described in claim 1, characterized in that the bottom of the inner casing is provided with opening, described to open Mouth is fixedly connected with fixed lid, and the side wall of the inner casing is provided with several equally distributed sound attenuation holes, is provided in the inner casing Noise elimination substrate.

3. water pump muffler as claimed in claim 2, characterized in that the noise elimination substrate is sponge, non-woven fabrics or cotton.

4. water pump muffler as described in claim 1, characterized in that be provided with Arcuate flexible on the inner wall of the exhaust end Flow deflector, described flow deflector one end is fixed on the inner wall of exhaust end, and the other end is free end.

5. water pump muffler as described in claim 1, characterized in that the inner shell bottom is equipped with adjusting cover, the tune The section enclosure connects outside inner casing and is rotatablely connected by shaft and inner casing, and adjustings, which is covered, is provided with aperture and position all and inner casing Corresponding adjustment hole.