CN212457365U - One-way flow air return device with silencing function in fresh air system - Google Patents

One-way flow air return device with silencing function in fresh air system Download PDF

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Publication number
CN212457365U
CN212457365U CN202020403061.3U CN202020403061U CN212457365U CN 212457365 U CN212457365 U CN 212457365U CN 202020403061 U CN202020403061 U CN 202020403061U CN 212457365 U CN212457365 U CN 212457365U
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China
Prior art keywords
shell
return air
air
separation blade
return
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CN202020403061.3U
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Chinese (zh)
Inventor
张学锋
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Kangzhai Shandong Health Building Technology Co ltd
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Individual
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Priority to CN202020403061.3U priority Critical patent/CN212457365U/en
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Abstract

The utility model relates to a new trend technical field, in particular to one-way return air device that has sound deadening function among new trend system, including the integral type shell, the shell is equipped with the housing outward, the sound cotton is inhaled in the peripheral pasting of shell, the shell is installed in return air duct return air inlet department, the one end in the inside nearly return air inlet of shell is equipped with the check valve, the inside one end of keeping away from the return air inlet of shell is equipped with air regulation device, the check valve includes separation blade one, wind-blocking valve piece, separation blade two that are equipped with in proper order from left to right in the shell, separation blade one, separation blade two all are the semicircle ring-type. The utility model discloses the housing can make the inside and outside sound of return air duct play the effect of amortization through the outer tortuous in-process of return air inlet with inhaling the cotton use of sound, and the check valve makes indoor air circulate to the return air duct, prevents that the interior dirty air of return air duct from flowing in indoor in reverse.

Description

One-way flow air return device with silencing function in fresh air system
Technical Field
The utility model relates to a new trend technical field of system, in particular to one-way return air device that has sound attenuation function in new trend system.
Background
The sound inside and outside the building air return pipeline in the prior art can be transmitted in both directions indoors and in the air return pipeline, and the problem of sound transmission in the pipeline of residents going upstairs and downstairs is caused. And dirty air in the return air duct can reversely flow into the room.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes not enough among the prior art provides a one-way return air device who has sound attenuation function in the new trend system.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a one-way flow air return device with a silencing function in a fresh air system comprises an integrated shell, wherein a housing is arranged outside the shell, sound absorbing cotton is pasted on the periphery of the shell, the shell is installed at an air return opening of an air return pipeline, a one-way valve is arranged at one end, close to the air return opening, inside the shell, an air volume adjusting device is arranged at one end, far away from the air return opening, inside the shell, the one-way valve comprises a first blocking piece, a second blocking piece and a second blocking piece, the first blocking piece and the second blocking piece are sequentially arranged in the shell from left to right, the first blocking piece and the second blocking piece are semi-circular, the first blocking piece is fixed on the upper half part of the inner wall of the shell, the second blocking piece is fixed on the lower half part of the inner wall of the shell, the first blocking piece and the second blocking piece are staggered through lugs symmetrically arranged at two, the center of the Y-shaped support frame is provided with a through hole, the center of the wind disk is provided with a rotating shaft, and the rotating shaft penetrates through the through hole.
Preferably, the housing is connected with the pipe wall of the return air pipeline through a fixing wire, and a fixing sleeve is arranged at the joint.
Preferably, sound-absorbing cotton is adhered to the inner wall of the housing.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the housing can make the inside and outside sound of return air duct pass through the outside tortuous in-process of return air inlet and play the effect of amortization with inhaling the cotton use of sound, reduces sound indoor and return air duct both way spread, solves the problem of passing sound in the upstairs and downstairs resident household pipeline. The one-way valve enables indoor air to flow towards the return air pipeline, and prevents unclean air in the return air pipeline from reversely flowing into the room.
Drawings
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic view of the front view structure of the air volume adjusting device of the present invention;
FIG. 3 is a schematic view of the right side structure of the air volume adjusting device of the present invention;
fig. 4 is a left side view structure diagram of the air volume adjusting device of the present invention;
FIG. 5 is a left side view schematic diagram of the check valve of the present invention;
fig. 6 is a schematic diagram of the structure of the check valve in right view.
Detailed Description
The attached drawings are specific embodiments of the invention. As shown in figure 1, a one-way air return device with a silencing function in a fresh air system comprises an integrated shell 1, a housing 2 is arranged outside the shell 1, sound-absorbing cotton 3 is adhered to the periphery of the shell 1, the shell 1 is installed at an air return opening of an air return pipeline 4, a one-way valve 5 is arranged at one end, close to an air return opening, inside the shell 1, an air quantity adjusting device 6 is arranged at one end, far away from the air return opening, inside the shell 1, the one-way valve 5 comprises a first blocking piece 501, a second blocking piece 502 and a second blocking piece 503 which are sequentially arranged in the shell 1 from left to right, the first blocking piece 501 and the second blocking piece 503 are both in a semicircular shape, the first blocking piece 501 is fixed on the upper half part of the inner wall of the shell 1, the second blocking piece 503 is fixed on the lower half part of the inner wall of the shell 1, the first blocking piece 502 is in a circular sheet shape and is hinged, a Y-shaped support frame 602 is arranged in the shell 1, a through hole is arranged in the center of the Y-shaped support frame 602, a rotating shaft 603 is arranged in the center of the air plate 601, and the rotating shaft 603 penetrates through the through hole.
Further, the housing 2 is connected with the pipe wall of the return air pipe 4 through a fixing wire 201, and a fixing sleeve 202 is arranged at the connection position.
Further, sound absorption cotton 3 is stuck to the inner wall of the housing 2.
The utility model discloses housing 2 and the use of inhaling cotton 3 of sound can make the inside and outside sound of return air duct 4 pass through the effect that the in-process of return air inlet tortuous outward plays the amortization, reduces sound indoor and return air duct 4 both way spread, solve the problem of passing the sound in the resident household's pipeline of going upstairs and downstairs. The one-way valve 5 makes the indoor air circulate to the return air duct 4, and prevents the dirty air in the return air duct from reversely flowing into the room.
The utility model discloses technical characteristics that have not described can be through or adopt prior art to realize, no longer describe here, and of course, above-mentioned embodiment is not right the utility model discloses a restriction, the utility model discloses also not only be limited to above-mentioned embodiment, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should fall into the utility model discloses a protection scope.

Claims (3)

1. The utility model provides an one-way back flow wind device that has amortization function in new trend system, a serial communication port, including integral type shell (1), shell (1) is equipped with housing (2) outward, shell (1) periphery is pasted and is inhaled sound cotton (3), shell (1) is installed in return air pipeline (4) return air inlet department, the inside one end of nearly return air inlet of shell (1) is equipped with check valve (5), the inside one end of keeping away from the return air inlet of shell (1) is equipped with air regulation apparatus (6), check valve (5) include separation blade one (501), wind-break valve piece (502), separation blade two (503) that are equipped with in proper order from left to right in shell (1), separation blade one (501), separation blade two (503) all are the semicircle ring-like, separation blade one (501) are fixed at shell (1) inner wall first half, separation blade two (503) are fixed at shell (1) inner wall lower half, the utility model discloses a fan air conditioner, including shell (1), air flow control device (6), air flow control device (601) are connected on shell (1), air flow control device (502) are the disk form and establish hangers (504) at both ends through the symmetry and articulate in shell upper stop piece (501), separation blade two (503) department of staggering, air flow control device (6) are including air plate (601), air plate (601) can be connected on shell (1) rotatoryly, be equipped with "Y" form support frame (602) in shell (1), "Y" form support frame (602) center is equipped with the through-hole, air plate (601) center.
2. The one-way air flow return device with the silencing function in the fresh air system according to claim 1, characterized in that: the housing (2) is connected with the pipe wall of the return air pipeline (4) through a fixing wire (201), and a fixing sleeve (202) is arranged at the joint.
3. The one-way air flow return device with the silencing function in the fresh air system according to claim 1, characterized in that: the inner wall of the housing (2) is stuck with sound-absorbing cotton (3).
CN202020403061.3U 2020-03-26 2020-03-26 One-way flow air return device with silencing function in fresh air system Active CN212457365U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020403061.3U CN212457365U (en) 2020-03-26 2020-03-26 One-way flow air return device with silencing function in fresh air system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020403061.3U CN212457365U (en) 2020-03-26 2020-03-26 One-way flow air return device with silencing function in fresh air system

Publications (1)

Publication Number Publication Date
CN212457365U true CN212457365U (en) 2021-02-02

Family

ID=74466037

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020403061.3U Active CN212457365U (en) 2020-03-26 2020-03-26 One-way flow air return device with silencing function in fresh air system

Country Status (1)

Country Link
CN (1) CN212457365U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20221230

Address after: 18th Floor, Hawaii Building, 289 Yongchang Road, Heze Development Zone, Shandong Province, 274000

Patentee after: Kangzhai (Shandong) Health Building Technology Co.,Ltd.

Address before: No.1021 Shuanghe Road, Mudan District, Heze City, Shandong Province

Patentee before: Zhang Xuefeng

TR01 Transfer of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A one-way flow return air device with silencing function in a fresh air system

Effective date of registration: 20230317

Granted publication date: 20210202

Pledgee: Heze rural commercial bank Limited by Share Ltd.

Pledgor: Kangzhai (Shandong) Health Building Technology Co.,Ltd.

Registration number: Y2023980035066

PE01 Entry into force of the registration of the contract for pledge of patent right