CN220849933U - Compact closed silencer for micropump - Google Patents

Compact closed silencer for micropump Download PDF

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Publication number
CN220849933U
CN220849933U CN202322453907.0U CN202322453907U CN220849933U CN 220849933 U CN220849933 U CN 220849933U CN 202322453907 U CN202322453907 U CN 202322453907U CN 220849933 U CN220849933 U CN 220849933U
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China
Prior art keywords
micropump
silencer
micro pump
exhaust
air inlet
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CN202322453907.0U
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Chinese (zh)
Inventor
蒲小勤
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Chengdu Ruihai Fluid Technology Co ltd
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Chengdu Ruihai Fluid Technology Co ltd
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Priority to CN202322453907.0U priority Critical patent/CN220849933U/en
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Publication of CN220849933U publication Critical patent/CN220849933U/en
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  • Jet Pumps And Other Pumps (AREA)

Abstract

The utility model provides a compact closed silencer for a micro pump, which relates to the technical field of micro pumps and comprises the micro pump, wherein the micro pump is provided with a micro pump air inlet nozzle and a micro pump air outlet nozzle, the micro pump is provided with a mounting screw hole, the silencer also comprises a silencer shell fixedly connected with the micro pump, an air inlet groove is formed in the silencer shell, a first sealing ring and a second sealing ring are arranged in the air inlet groove, an exhaust runner is formed in the silencer shell, and an array runner connecting hole is formed in the exhaust runner. The compact closed silencer adopts the symmetrical structure design of air inlet and air outlet, namely the design of the air inlet side and the design of the air outlet side are the same, and the sound-absorbing rubber material is coated on the surface of the flow channel through the precise flow channel, so that the silencer has a very small volume while having a good silencing effect, can be combined with a micro pump in a very compact mode, and greatly reduces the noise of the micro pump and the installation size.

Description

Compact closed silencer for micropump
Technical Field
The utility model relates to the technical field of micropumps, in particular to a compact closed silencer for a micropump.
Background
Pumps are machines that deliver or pressurize fluids. It transmits mechanical energy of the prime mover or other external energy to the liquid or gaseous medium, causing the medium to increase in energy. The pump is mainly used for conveying media such as liquid or gas, and can also be used for conveying liquid, gas mixture and liquid containing suspended solids.
The pump body is provided with an inlet and an outlet, and the medium enters from the suction inlet and exits from the discharge outlet, so that the miniature pump is called as a small and compact pump.
When the micropump is used for conveying a gaseous medium, noise generated by the medium in the flow channel is a main component part of the noise of the whole machine, the common silencer in the market at present is large in size and occupies more installation space, and the micropump is usually applied to occasions with severe size requirements, so that the traditional silencer can not meet the requirements of equipment in many times.
Disclosure of utility model
The present utility model has been made in order to solve the above-mentioned problems, and an object of the present utility model is to provide a compact hermetic muffler for a micro pump, which has not only a good sound deadening effect but also a small volume, which can be combined with the micro pump in a very compact manner, and which greatly reduces the noise of the micro pump, and which greatly reduces the installation size.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a closed muffler of compact for micropump, includes the micropump, be provided with micropump inlet tap and micropump exhaust mouth on the micropump, and set up the installation screw hole on the micropump, still include with micropump fixed connection's muffler casing, the air mouth groove has been seted up in the muffler casing, first sealing washer and second sealing washer are installed to the air mouth inslot, the exhaust runner has been seted up in the muffler casing, array runner connecting hole has been seted up in the exhaust runner, and the gas vent has been seted up at the exhaust runner end, the interface screw thread has been seted up in the gas vent.
The utility model is further provided with: the silencer shell is fixedly connected with the micropump through screws or buckles.
The utility model is further provided with: the inner wall of the exhaust runner is provided with tooth-shaped sound absorbing protrusions.
The utility model is further provided with: the inner wall of the exhaust runner is coated with sound-absorbing rubber material.
The utility model is further provided with: the exhaust flow passage is formed by two or more flow passages with opposite flow directions.
The utility model is further provided with: the micro pump air inlet nozzle and the micro pump air outlet nozzle are both arranged in the air nozzle groove.
Compared with the prior art, the utility model has the advantages and positive effects that,
The compact closed silencer for the micro pump provided by the utility model has a small volume while having a good silencing effect by adopting a precise runner design and coating the sound-absorbing rubber material on the surface of the runner, and can be combined with the micro pump in a very compact mode, so that the noise of the micro pump is greatly reduced, and the installation size is greatly reduced.
Drawings
FIG. 1 is a schematic view of a compact closed muffler for a micropump according to the present utility model;
Fig. 2 is a schematic view of an exhaust runner in a compact closed muffler for a micro pump according to the present utility model.
Legend description: 1. a micropump; 2. mounting screw holes; 3. a first seal ring; 4. a second seal ring; 5. micro pump exhaust nozzle; 6. an exhaust runner; 7. an array type runner communication hole; 8. a muffler housing; 9. an exhaust port; 10. an interface thread; 11. a sound absorbing rubber material; 12. tooth-shaped sound absorption protrusions.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two elements; the specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples:
As shown in fig. 1-2, the utility model provides a compact closed silencer for a micro pump, which comprises a micro pump 1, wherein a micro pump air inlet nozzle and a micro pump air outlet nozzle 5 are arranged on the micro pump 1, a mounting screw hole 2 is formed on the micro pump 1, the silencer also comprises a silencer shell 8 fixedly connected with the micro pump 1, an air inlet groove is formed in the silencer shell 8, a first sealing ring 3 and a second sealing ring 4 are arranged in the air inlet groove, an air outlet runner 6 is formed in the silencer shell 8, an array runner communication hole 7 is formed in the air outlet runner 6, an air outlet 9 is formed at the tail end of the air outlet runner 6, and an interface thread 10 is formed in the air outlet 9.
In this embodiment, it should be noted that, the connector thread 10 may be used to install various connectors, the first seal ring 3 and the second seal ring 4 may ensure the air tightness between the micropump air inlet nozzle and the micropump 5 and the muffler, and in addition, the exhaust runner 6 adopts an array type vent hole structure when steering, which may be a rectangular array, a circular array, or a special-shaped array; the cross-sectional shape of the exhaust runner 6 may be constant or may be variable.
Wherein, through screw or buckle fixed connection between muffler casing 8 and the micropump 1, be provided with on the inner wall of exhaust runner 6 dentate sound-absorbing protrusion 12, be coated with on the inner wall of exhaust runner 6 and inhale sound rubber material 11, exhaust runner 6 comprises two or more flow channels that flow direction is opposite, and micropump inlet tap and micropump exhaust tap 5 are all installed in the air tap inslot.
In the present embodiment, the provision of the tooth-shaped sound absorbing protrusions 12 and the sound absorbing rubber material 11 can reduce the operation noise of the micropump 1.
The operation process of the compact closed silencer for the micropump provided by the utility model is as follows: when the micro pump 1 works, gas is sucked from the air inlet nozzle (namely, the air nozzle symmetrically arranged with the air outlet nozzle 5) of the micro pump, and is discharged from the air outlet nozzle 5 of the micro pump. The air inlet channel group of the silencer is connected with the air inlet nozzle of the micropump, namely, one group of air outlet channels 6 is used as the air inlet channel group, a first sealing ring 3 is arranged between the air outlet nozzle 5 of the micropump and the silencer to ensure air tightness, the air inlet channel group is formed by connecting 2 or more air inlet channels in series, an array type channel communication hole 7 is arranged between the air inlet channel groups for communication, the tail end of the air inlet channel group is an air inlet of the silencer, and an interface thread 10 is processed on the air inlet, so that connectors in different forms can be conveniently installed. The gas that the micropump 1 during operation was extracted gets into the muffler from the air inlet of muffler, gets into micropump exhaust mouth 5 after the air inlet runner group, and what is connected with another micropump exhaust mouth 5 is the exhaust runner group of muffler, also is provided with first sealing washer 3 between micropump exhaust mouth 5 and the muffler in order to guarantee the gas tightness, and the exhaust runner group comprises 2 and above exhaust runner 6 in series connection, has array runner communication hole 7 intercommunication between the exhaust runner, is the gas vent 9 of muffler at the end of exhaust runner group, has installation interface screw thread 10 on the gas vent 9, is convenient for install different forms' joint. The gas discharged during the operation of the micropump 1 is discharged from the micropump exhaust nozzle 5 to the exhaust flow passage group of the muffler, and then discharged from the exhaust port 9 of the muffler. The inner wall of the air inlet channel of the silencer is coated with a sound-absorbing rubber material 11 made of rubber, and is provided with tooth-shaped sound-absorbing protrusions 12, so that noise generated when air flows through the air inlet channel is absorbed by the sound-absorbing rubber material 11 and the tooth-shaped sound-absorbing protrusions 12, and the working noise of the micropump 1 is reduced.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. The utility model provides a closed muffler of compact for micropump, includes micropump (1), be provided with micropump inlet and micropump exhaust mouth (5) on micropump (1), and offered installation screw hole (2) on micropump (1), its characterized in that still includes muffler casing (8) with micropump (1) fixed connection, the air mouth groove has been offered in muffler casing (8), first sealing washer (3) and second sealing washer (4) are installed to the air mouth inslot, exhaust runner (6) have been offered in muffler casing (8), array runner communication hole (7) have been offered in exhaust runner (6), and exhaust port (9) have been offered to exhaust runner (6) end, interface screw thread (10) have been offered in exhaust port (9).
2. A compact hermetic silencer for a micropump according to claim 1, wherein: the silencer shell (8) is fixedly connected with the micropump (1) through screws or buckles.
3. A compact hermetic silencer for a micropump according to claim 1, wherein: the inner wall of the exhaust runner (6) is provided with tooth-shaped sound absorbing protrusions (12).
4. A compact hermetic silencer for a micropump according to claim 1, wherein: the inner wall of the exhaust runner (6) is coated with a sound-absorbing rubber material (11).
5. A compact hermetic silencer for a micropump according to claim 1, wherein: the exhaust flow passage (6) is formed by two or more flow passages with opposite flow directions.
6. A compact hermetic silencer for a micropump according to claim 1, wherein: the micro pump air inlet nozzle and the micro pump air outlet nozzle (5) are both arranged in the air inlet nozzle groove.
CN202322453907.0U 2023-09-08 2023-09-08 Compact closed silencer for micropump Active CN220849933U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322453907.0U CN220849933U (en) 2023-09-08 2023-09-08 Compact closed silencer for micropump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322453907.0U CN220849933U (en) 2023-09-08 2023-09-08 Compact closed silencer for micropump

Publications (1)

Publication Number Publication Date
CN220849933U true CN220849933U (en) 2024-04-26

Family

ID=90740812

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322453907.0U Active CN220849933U (en) 2023-09-08 2023-09-08 Compact closed silencer for micropump

Country Status (1)

Country Link
CN (1) CN220849933U (en)

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