CN112656312A - Noise reduction assembly and sweeping robot - Google Patents
Noise reduction assembly and sweeping robot Download PDFInfo
- Publication number
- CN112656312A CN112656312A CN202011642832.5A CN202011642832A CN112656312A CN 112656312 A CN112656312 A CN 112656312A CN 202011642832 A CN202011642832 A CN 202011642832A CN 112656312 A CN112656312 A CN 112656312A
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- fan
- reduction structure
- assembly
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a noise reduction assembly and a sweeping robot, wherein the sweeping robot comprises a machine body, a fan body, a driving wheel assembly and a rolling brush assembly, wherein the fan body, the driving wheel assembly and the rolling brush assembly are arranged on the machine body; the fan noise reduction structure is connected between the fan body and the machine body; the air duct noise reduction structure is arranged on an air duct of the fan body and used for reducing noise of air flow in the air duct; the motor noise reduction structure is characterized in that a motor of the fan body is set to be a brushless motor; the gear driving noise reduction structure is arranged in the machine body, and the gear driving noise reduction structure forms a noise reduction cavity for isolating the gear set of the driving wheel assembly and/or the gear set of the rolling brush assembly. The technical scheme of the invention aims to reduce the noise generated when the sweeping robot works so as to improve the use comfort of the sweeping robot.
Description
Technical Field
The invention relates to the technical field of sweeping robots, in particular to a noise reduction assembly and a sweeping robot applying the same.
Background
With the improvement of living standard, the sweeping robot is increasingly applied to household cleaning operation. When the sweeping robot operates, the conditions of large noise caused by air duct flowing or fan operation and the like exist, the traditional mode is generally only a single mode of reducing the working efficiency of the fan to reduce noise, the effect is not obvious, and the usability of a user is affected.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a noise reduction assembly, aiming at reducing noise generated when a sweeping robot works.
In order to achieve the above purpose, the noise reduction assembly provided by the invention is applied to a sweeping robot, the sweeping robot comprises a machine body, and a fan body, a driving wheel assembly and a rolling brush assembly which are arranged on the machine body, wherein the noise reduction assembly comprises at least two of an air duct noise reduction structure, a fan noise reduction structure, a motor noise reduction structure and a gear driving noise reduction structure;
the fan noise reduction structure is connected between the fan body and the machine body;
the air duct noise reduction structure is arranged on an air duct of the fan body and used for reducing noise of air flow in the air duct;
the motor noise reduction structure is characterized in that a motor of the fan body is set to be a brushless motor;
the gear driving noise reduction structure is arranged in the machine body, and the gear driving noise reduction structure forms a noise reduction cavity for isolating the gear set of the driving wheel assembly and/or the gear set of the rolling brush assembly.
In an embodiment of the application, the inner wall surface of the machine body is convexly provided with an installation pin, the fan noise reduction structure comprises a fixing piece, the fixing piece is connected with the periphery of the fan body, and the fixing piece is connected with the installation pin, so that the fan body is fixed in the machine body, and a gap is formed between the outer surface of the fan body and the inner wall surface of the machine body.
In an embodiment of the application, the noise reduction structure of the fan further includes a flexible sleeve, and the flexible sleeve is sleeved on the outer surface of the fan body.
In an embodiment of this application, the intake stack and the air-out pipeline of fan body, the intake stack with the air-out pipeline is bent and is connected in order to form the structure of making an uproar falls in the wind channel, fan body still includes the flabellum, the extending direction of intake stack with the extending direction of air-out pipeline all is located on the tangent line of flabellum centrifugation direction.
In an embodiment of the present application, an inner wall surface of a joint of the air inlet duct and the air outlet duct is in a smooth transition arrangement.
In an embodiment of this application, the structure of making an uproar still includes inhales the sound cotton in the wind channel, inhale the sound cotton and locate one side in the air-out pipeline.
In an embodiment of this application, the structure of making an uproar still includes ventilative amortization cotton in the wind channel, ventilative amortization cotton inlay establish seal in the air outlet of air-out pipeline.
In an embodiment of the present application, the gear drive noise reduction structure comprises a gear box comprising:
the shell is provided with a position giving port; and
the cover body is covered and sealed on the yielding position opening, the cover body and the shell are matched to form the noise reduction cavity, and the gear group is arranged in the noise reduction cavity.
In an embodiment of the present application, the gear drive noise reduction structure further comprises a lubrication member for lubricating the gear set;
and/or the shell is concavely provided with a limiting groove relative to the surface of the periphery of the clearance opening, the surface of the cover body facing the limiting groove is circumferentially convexly provided with a convex block, and the convex block is abutted and limited in the limiting groove when the cover body is connected to the shell.
The application also provides a sweeping robot, which comprises a noise reduction assembly, wherein the noise reduction assembly comprises at least two of an air duct noise reduction structure, a fan noise reduction structure, a motor noise reduction structure and a gear drive noise reduction structure;
the fan noise reduction structure is connected between the fan body and the machine body;
the air duct noise reduction structure is arranged on an air duct of the fan body and used for reducing noise of air flow in the air duct;
the motor noise reduction structure is characterized in that a motor of the fan body is set to be a brushless motor;
the gear driving noise reduction structure is arranged in the machine body, and the gear driving noise reduction structure forms a noise reduction cavity for isolating the gear set of the driving wheel assembly and/or the gear set of the rolling brush assembly.
The noise reduction assembly provided by the technical scheme of the invention is applied to a sweeping robot to reduce noise generated in the working process of the sweeping robot, and comprises at least two of an air duct noise reduction structure, a fan noise reduction structure, a motor noise reduction structure and a gear drive noise reduction structure, wherein the fan noise reduction structure is connected between a fan body and a machine body to reduce the noise of the fan body through vibration reduction. And this structure of making an uproar falls in wind channel of locating fan body in order to fall the air current amortization in wind channel and fall, and this structure of making an uproar falls in motor sets up the motor of fan body to brushless motor, because brushless motor compares in there being brush motor to move more steadily to brushless motor's noise of operation is littleer. The gear driving noise reduction structure is arranged in the machine body, and the gear driving noise reduction structure forms a noise reduction cavity for isolating the gear set of the driving wheel assembly and/or the gear set of the rolling brush assembly. So this subassembly of making an uproar falls can fall the produced noise of working process of robot of sweeping the floor through the multiple mode of making an uproar of falling to further improve the ability of making an uproar of falling of robot working process of sweeping the floor, improve the travelling comfort of the use of robot of sweeping the floor.
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 a sweeping robot according to an embodiment of the present invention;
fig. 2 is an assembly structure schematic diagram of the sweeping robot of the invention;
FIG. 3 is a schematic view of a portion of a noise reduction assembly of the present invention;
FIG. 4 is a partial schematic view of another perspective of the noise reduction assembly of the present invention;
FIG. 5 is a schematic view of an assembled configuration of a portion of the noise reduction assembly of the present invention;
fig. 6 is a schematic view of a partial structure of the sweeping robot of the present invention;
fig. 7 is an assembly structure schematic diagram of the sweeping robot of the invention;
FIG. 8 is a schematic structural view of the housing of the gear driven noise reduction structure of the noise reduction assembly of the present invention;
fig. 9 is a schematic structural diagram of a cover of a gear-driven noise reduction structure of the noise reduction assembly of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Floor |
141a | Let a mouthful |
| 10 | |
141b | Limiting |
| 11 | Noise reduction structure of |
1412 | |
| 111 | |
141c | Convex |
| 112 | |
20 | |
| 12 | Noise reduction structure of |
30 | |
| 121 | Sound-absorbing |
31 | |
| 122 | Breathable |
32 | |
| 13 | Noise reduction structure of |
33 | |
| 14 | Noise reduction structure driven by |
40 | |
| 141 | Gear box | 41 | |
| 1411 | |
50 | Rolling brush assembly |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The present invention provides a noise reduction assembly 10. The noise reduction assembly 10 is applied to a sweeping robot 100, and the sweeping robot 100 comprises a machine body 20, and a fan body 30, a driving wheel assembly 40 and a rolling brush assembly 50 which are arranged on the machine body 20.
Referring to fig. 1-3, 6 and 7, in an embodiment of the present invention, the noise reduction assembly 10 includes at least two of a wind tunnel noise reduction structure 12, a fan noise reduction structure 11, a motor noise reduction structure 13, and a gear driven noise reduction structure 14; the fan noise reduction structure 11 is connected between the fan body 30 and the machine body 20; the air duct noise reduction structure 12 is arranged in an air duct of the fan body 30 and is used for reducing noise of air flow in the air duct; the motor noise reduction structure 13 is to set the motor of the fan body 30 as a brushless motor; gear drive noise reduction structure 14 is disposed within body 20, and gear drive noise reduction structure 14 forms a noise reduction cavity that isolates gear set 41 of drive wheel assembly 40 and/or gear set 41 of roller brush assembly 50.
Wherein, the body 20 can be designed to be circular. The body 20 is formed as the main body of the sweeping robot 100 and may provide mounting and support for other components. The driving wheel assembly 40 and the rolling brush assembly 50 of the sweeping robot 100 can be disposed at the bottom of the machine body 20, and the rolling brush assembly 50 and the driving wheel assembly 40 are both provided with a gear set 41 for transmission, so that the sweeping robot 100 can mop and clean the ground in the process of traveling. A mounting cavity is formed in the machine body 20, a fan body 30 and an electronic control assembly and the like of the sweeping robot 100 can be mounted in the mounting cavity, an air duct is formed in the fan body 30, and the fan body 30 is used for providing suction to absorb dust on a plane to be cleaned. Compared with a brush motor, the brushless motor runs more stably, working noise is low, and the service life is longer. The brushless motor can be adjusted through multi-layer dynamic balance before being installed on the blower body 30, so as to further prevent the working noise of the brushless motor from being too large. It should be noted that, in order to reduce the cost, the noise reduction assembly 10 may be configured by only two noise reduction modes or by selecting a combination of three noise reduction modes. Of course, the noise reduction assembly 10 may be provided with all noise reduction modes at the same time to achieve the best noise reduction effect for improving the user experience. The choice can be made by a person skilled in the art.
The noise reduction assembly 10 provided by the technical scheme of the invention is applied to the sweeping robot 100 to reduce noise generated in the working process of the sweeping robot 100, and the noise reduction assembly 10 comprises at least two of an air duct noise reduction structure 12, a fan noise reduction structure 11, a motor noise reduction structure 13 and a gear driving noise reduction structure 14, wherein the fan noise reduction structure 11 is connected between a fan body 30 and a machine body 20 to reduce noise of the fan body 30 through vibration reduction. And this wind channel structure of making an uproar 12 falls locates the wind channel of fan body 30 and falls in order to fall the air current amortization in wind channel and fall, and this motor falls structure of making an uproar 13 and sets up the motor of fan body 30 into brushless motor, because brushless motor compare in there being brush motor to move more steadily to brushless motor's noise of operation is littleer. The gear-driven noise reduction structure 14 is disposed in the housing 20, and the gear-driven noise reduction structure 14 forms a noise reduction cavity for isolating the gear set 41 of the drive wheel assembly 40 and/or the gear set 41 of the brush roller assembly 50. Therefore, the noise reduction assembly 10 can reduce noise generated in the working process of the sweeping robot 100 in various noise reduction modes, so as to further improve the noise reduction capability of the sweeping robot 100 in the working process and improve the comfort of the sweeping robot 100 in use.
In an embodiment of the present application, referring to fig. 3 to 5, the inner wall surface of the body 20 is convexly provided with a mounting pin, the fan noise reduction structure 11 includes a fixing member 111, the fixing member 111 is connected to the periphery of the fan body 30, and the fixing member 111 is connected to the mounting pin (not shown) so as to fix the fan body 30 in the body 20, and a gap is formed between the outer surface of the fan body 30 and the inner wall surface of the body 20. Specifically, the inner wall surface of the machine body 20 is convexly provided with the mounting pin, the fixing member 111 is connected with the periphery of the fan body 30, and by connecting the fixing member 111 with the mounting pin, the fan body 30 is fixed in the machine body 20, and meanwhile, a gap is formed between the outer surface of the fan body 30 and the inner wall surface of the machine body 20, so that the fan body 30 can be suspended relative to the inner wall surface of the machine body 20, thereby effectively preventing the fan body 30 from resonating with the inner wall surface of the machine body 20 to generate noise during working, and further improving the usability of the sweeping robot 100. The fixing member 111 may be a loop structure, a fastening structure, or a sleeve structure. It can be understood that, when the fixing element 111 is a collar structure, the fixing element 111 can be sleeved on the mounting pin, and the inner wall surface of the collar structure abuts against the peripheral side wall of the mounting pin. It can be understood that the mounting sheaths and the fixing elements 111 may be provided in plural, that is, the fixing elements 111 are sleeved on the mounting pins, and a stress point is formed between one fixing element 111 and one mounting pin, so that a plurality of stress points are formed between the axial edge of the fan body 30 and the inner wall surface of the machine body 20, so as to increase the connection strength between the fan body 30 and the inner wall surface of the machine body 20, further reduce the resonance between the fan body 30 and the inner wall surface of the machine body 20, and improve the working stability of the sweeping robot 100.
In addition, an elastic washer (not shown) may be sleeved on the mounting pin, and when the mounting pin is connected to the fixing member 111, the mounting pin is partially inserted into the fixing member 111 such that the elastic washer is interposed between the mounting pin and the fixing member 111. It can be understood that the elastic washer is provided between the mounting pin and the fixing member 111 to serve as a buffer member to reduce resonance between the fan body 30 and the inner wall surface of the body 20.
Further, the fan noise reduction structure 11 further includes a flexible sleeve 112, and the flexible sleeve 112 is sleeved on the outer surface of the fan body 30. Specifically, this flexible external member 112 can be made by soft glue materials such as silica gel or rubber to the surface of fan body 30 can be located to this flexible external member 112 cover, so in order to reach the effect of damping amortization. In order to avoid occupying too large internal space of the body 20 of the sweeping robot 100, the flexible sleeve 112 may only wrap around a part of the structure of the blower body 30, or in order to achieve a better vibration damping and noise reduction effect, the flexible sleeve 112 may completely wrap around the blower body 30. In addition, the flexible sleeve members 112 can be arranged in a plurality of ways, and the flexible sleeve members 112 are arranged at intervals along the extending direction of the air duct of the fan body 30, so that the vibration reduction and noise reduction effects are further improved.
In an embodiment of the present application, referring to fig. 3 to 6, the air inlet duct 31 and the air outlet duct 32 of the fan body 30 are bent and connected to form the air duct noise reduction structure 12, the fan body 30 further includes a fan blade 33, and the extending direction of the air inlet duct 31 and the extending direction of the air outlet duct 32 are both located on a tangent line of the fan blade 33 in the centrifugal direction. Specifically, the extending direction of the air inlet pipe 31 and the extending direction of the air outlet pipe 32 are both located on the tangential line of the centrifugal direction of the fan blades 33, so that the fan body 30 can intake air or exhaust air at the maximum speed, and meanwhile, the air inlet pipe 31 and the air outlet pipe 32 are bent and connected to form the air duct noise reduction structure 12, so as to increase the length of the air duct, increase the transmission distance of noise, and further reduce the transmission of noise. And the air inlet pipeline and the air outlet pipeline which are connected in a bending way can effectively reduce the length occupied by the fan body 30, so that the occupied area of the sweeping robot 100 is reduced.
Further, the inner wall surface of the joint of the air inlet pipeline 31 and the air outlet pipeline 32 is in smooth transition arrangement. Specifically, the inner wall surface of the joint of the air inlet pipeline 31 and the air outlet pipeline 32 is smoothly switched, so that the condition that the air flow has a dead angle in the air duct and generates vortex squeal when passing through the air duct is avoided, and further the air flow of the air duct is silenced and denoised.
Optionally, the air duct noise reduction structure 12 further includes a sound absorption cotton 121, and the sound absorption cotton 121 is disposed on one side inside the air outlet duct 32. Wherein, this air-out pipeline 32's lateral wall is equipped with the installation position, thereby should inhale cotton 121 of sound can be fixed in the installation position through the mode of joint lock, so that the later stage is clean to inhaling the dismantlement of cotton 121 of sound, simultaneously should inhale cotton 121 of sound and set up in the wind channel so that the partial sound that the air current produced in the wind channel can be inhaled cotton 121 and absorb, so in order to reach the effect of making an uproar falls in the air current amortization in the wind channel, can understand, should inhale cotton 121 of sound and install in the position that does not influence the air current, if the lateral wall of the air outlet that is close to air-out pipeline 32, so can guarantee the normal flow of air current.
In an embodiment of the present application, referring to fig. 5, the noise reduction structure 12 further includes a ventilation noise reduction cotton 122, and the ventilation noise reduction cotton 122 is embedded in the air outlet sealed in the air outlet duct 32. Specifically, this ventilative amortization cotton 122 can be through the air outlet of the sealed air-out pipeline 32 of mode shroud of dismantling such as joint to the later stage is dismantled ventilative amortization cotton 122 cleanly. And when the air current was discharged from the air outlet, this cotton 122 of ventilative amortization can fall the noise of making an uproar to the air current amortization to reduce the noise of sweeping floor robot 100 during operation, this cotton 122 of ventilative amortization also can not influence the normal flow of air current simultaneously, should breathe freely the cotton 122 of amortization in this can also avoid the foreign matter to enter into the wind channel from the air outlet in addition, in order to guarantee fan body 30's normal use.
In an embodiment of the present application, referring to fig. 2, fig. 7 to fig. 9, the gear-driven noise reduction structure 14 includes a gear box 141, the gear box 141 includes a housing 1411 and a cover 1412, the housing 1411 is provided with a relief port 141 a; cover 1412 covers and seals abdicating port 141a, cover 1412 and housing 1411 cooperate to form a noise reduction cavity, and gear set 41 is disposed in the noise reduction cavity. Specifically, the housing 1411 is mainly used for supporting and protecting the gear set 41, and the shape of the housing 1411 is adapted to the shape of the gear set 41, the gear set 41 can be placed into the housing 1411 through the abdicating opening 141a, and then the cover 1412 covers the abdicating opening 141a sealed in the housing 1411 to form a noise reduction cavity, which can isolate the gear set 41 from the outside, thereby reducing the diffusion of the operating noise of the gear set 41 and achieving the noise reduction effect. It can be understood that the housing 1411 and the cover 1412 are provided with through holes communicating with the noise reduction cavity, and the through holes are only used for passing through the motor connecting shaft, the driving wheel connecting shaft and the roller brush connecting shaft. The materials of the housing 1411 and the cover 1412 can be selected from plastics (such as ABS, POM, PS, PMMA, PC, PET, PBT, PPO, etc.), which provides a supporting and protecting function without making the sweeping robot 100 too heavy. In addition, the cover 1412 and the housing 1411 may be connected by a detachable connection manner such as a snap connection or a threaded connection, which may be selected by those skilled in the art and will not be described herein.
Further, the gear driving noise reduction structure 14 further includes a lubricating member for lubricating the gear set 41; specifically, the lubricating member may be a liquid such as a lubricant, so that the rotation of the gears of the gear set 41 is easier and smoother, thereby avoiding noise generated by mutual interference between the gears of the gear set 41, improving the noise reduction capability of the sweeping robot 100 during the working process, and improving the usability of the sweeping robot 100.
Optionally, the housing 1411 is recessed relative to a peripheral surface of the relief opening 141a to form a limiting groove 141b, the cover 1412 is circumferentially protruded with a protrusion 141c facing the limiting groove 141b, and when the cover 1412 is connected to the housing 1411, the protrusion 141c abuts against and is limited in the limiting groove 141 b. Specifically, the shape of the limiting groove 141b is similar to that of the protruding block 141c, and when the cover 1412 is connected to the housing 1411, the protruding block 141c is clamped into the limiting groove 141b, so that the cover 1412 and the housing 1411 are aligned easily and conveniently, and meanwhile, the gap between the sealed housing 1411 and the cover 1412 is strengthened, thereby further improving the sealing effect, further reducing the diffusion of the operating noise of the gear set 41, and improving the noise reduction effect.
Further, a sealing member (not shown) may be further provided between the cover 1412 and the housing 1411, and after the cover 1412 is covered with the housing 1411, the cover 1412 presses the sealing member to achieve a waterproof sealing effect. It is understood that the sealing member may also be made of an elastic material such as plastic, silicone, or rubber, and the sealing member is assembled with the cover 1412 and the housing 1411 in an interference fit manner, so that the sealing member can be bent or deformed properly, and the sidewall of the sealing member is pressed against the material of the housing 1411, thereby ensuring the best sealing effect.
The invention further provides a sweeping robot 100, the sweeping robot 100 includes a noise reduction assembly 10, the specific structure of the noise reduction assembly 10 refers to the above embodiments, and the sweeping robot 100 adopts all technical solutions of all the above embodiments, so that at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and further details are not repeated herein.
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 (10)
1. A noise reduction assembly is applied to a sweeping robot, the sweeping robot comprises a machine body, and a fan body, a driving wheel assembly and a rolling brush assembly which are arranged on the machine body, and the noise reduction assembly is characterized by comprising at least two of an air duct noise reduction structure, a fan noise reduction structure, a motor noise reduction structure and a gear driving noise reduction structure;
the fan noise reduction structure is connected between the fan body and the machine body;
the air duct noise reduction structure is arranged on an air duct in the fan body and is used for silencing and reducing noise of air flow in the air duct;
the motor noise reduction structure is characterized in that a motor of the fan body is set to be a brushless motor;
the gear driving noise reduction structure is arranged in the machine body, and the gear driving noise reduction structure forms a noise reduction cavity for isolating the gear set of the driving wheel assembly and/or the gear set of the rolling brush assembly.
2. The noise reduction assembly according to claim 1, wherein a mounting pin is protruded from an inner wall surface of the housing, the noise reduction structure of the fan includes a fixing member, the fixing member is connected to a peripheral edge of the fan body, and the fixing member is connected to the mounting pin so that the fan body is fixed in the housing and a gap is formed between an outer surface of the fan body and the inner wall surface of the housing.
3. The noise reduction assembly of claim 2, wherein the fan noise reduction structure further comprises a flexible sleeve that is sleeved over an outer surface of the fan body.
4. The noise reduction assembly according to claim 1, wherein the air inlet duct and the air outlet duct of the blower body are connected in a bent manner to form the noise reduction structure of the air duct, the blower body further includes a fan blade, and both the extending direction of the air inlet duct and the extending direction of the air outlet duct are located on a tangential line of the centrifugal direction of the fan blade.
5. The noise reduction assembly of claim 4, wherein an inner wall surface at a junction of the intake duct and the outlet duct is configured to transition smoothly.
6. The noise reduction assembly of claim 4, wherein the noise reduction structure further comprises sound absorbing cotton disposed on one side of the air outlet duct.
7. The noise reduction assembly of claim 4, wherein the noise reduction structure further comprises a breathable noise reduction cotton embedded in the air outlet sealed to the air outlet duct.
8. The noise reduction assembly of any of claims 1-7, wherein the gear drive noise reduction structure comprises a gear box comprising:
the shell is provided with a position giving port; and
the cover body is covered and sealed on the yielding position opening, the cover body and the shell are matched to form the noise reduction cavity, and the gear group is arranged in the noise reduction cavity.
9. The noise reduction assembly of claim 8, wherein the gear drive noise reduction structure further comprises a lubrication for lubricating the gear set;
and/or the shell is concavely provided with a limiting groove relative to the surface of the periphery of the clearance opening, the surface of the cover body facing the limiting groove is circumferentially convexly provided with a convex block, and the convex block is abutted and limited in the limiting groove when the cover body is connected to the shell.
10. A sweeping robot comprising a noise reduction assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011642832.5A CN112656312A (en) | 2020-12-30 | 2020-12-30 | Noise reduction assembly and sweeping robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011642832.5A CN112656312A (en) | 2020-12-30 | 2020-12-30 | Noise reduction assembly and sweeping robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112656312A true CN112656312A (en) | 2021-04-16 |
Family
ID=75412228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011642832.5A Pending CN112656312A (en) | 2020-12-30 | 2020-12-30 | Noise reduction assembly and sweeping robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112656312A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113576312A (en) * | 2021-07-07 | 2021-11-02 | 北京顺造科技有限公司 | Autonomous cleaning equipment and noise reduction air duct device thereof |
| CN114458625A (en) * | 2022-03-03 | 2022-05-10 | 深圳乐居智能电子有限公司 | Air inlet cover, fan assembly, air duct structure and floor sweeping robot |
| CN114931345A (en) * | 2022-06-30 | 2022-08-23 | 武汉擎朗智能科技有限公司 | Air duct assembly and sweeper |
-
2020
- 2020-12-30 CN CN202011642832.5A patent/CN112656312A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113576312A (en) * | 2021-07-07 | 2021-11-02 | 北京顺造科技有限公司 | Autonomous cleaning equipment and noise reduction air duct device thereof |
| EP4115787A1 (en) * | 2021-07-07 | 2023-01-11 | Beijing Shunzao Technology Co., Ltd. | Autonomous cleaning device and noise reduction air duct device thereof |
| US20230008598A1 (en) * | 2021-07-07 | 2023-01-12 | Beijing Shunzao Technology Co., Ltd. | Autonomous cleaning device and noise reduction air duct device thereof |
| JP2023010564A (en) * | 2021-07-07 | 2023-01-20 | 北京▲順▼造科技有限公司 | Autonomous cleaning equipment and noise reduction air duct device |
| JP7343644B2 (en) | 2021-07-07 | 2023-09-12 | 北京▲順▼造科技有限公司 | Autonomous cleaning equipment and its noise reduction air duct device |
| US11963651B2 (en) * | 2021-07-07 | 2024-04-23 | Beijing Shunzao Technology Co., Ltd. | Autonomous cleaning device and noise reduction air duct device thereof |
| CN114458625A (en) * | 2022-03-03 | 2022-05-10 | 深圳乐居智能电子有限公司 | Air inlet cover, fan assembly, air duct structure and floor sweeping robot |
| CN114931345A (en) * | 2022-06-30 | 2022-08-23 | 武汉擎朗智能科技有限公司 | Air duct assembly and sweeper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112656312A (en) | Noise reduction assembly and sweeping robot | |
| US7384237B2 (en) | Fan unit for a ventilator | |
| KR20060118973A (en) | Vacuum cleaner | |
| CN115306766B (en) | Air duct module structure and breathing machine | |
| CN214856384U (en) | Noise reduction assembly and sweeping robot | |
| CN211511626U (en) | Suction device, household vacuum cleaner and pneumatic sealing element | |
| CN206478020U (en) | A kind of wind wheel and its applied to air blower | |
| CN211511639U (en) | Suction device for household dust collector and household dust collector comprising same | |
| CN211511625U (en) | Suction device, household vacuum cleaner and pneumatic sealing element | |
| CN215125138U (en) | Hair drier with noise reduction function | |
| CN211737483U (en) | Mute ventilator | |
| CN110934537B (en) | Suction device, household vacuum cleaner and pneumatic sealing element | |
| CN215109702U (en) | A fan subassembly and robot of sweeping floor for sweeping floor robot | |
| JP2003184797A (en) | Blower and air conditioner comprising it | |
| CN211933902U (en) | Floor sweeping robot with silencer | |
| JP2000033059A5 (en) | ||
| CN219352731U (en) | Air duct structure and pet cleaner | |
| CN220415784U (en) | Fan device and cleaning equipment | |
| CN213511289U (en) | Fan, fresh air device and air conditioner | |
| CN220608256U (en) | Cleaning apparatus | |
| CN211116822U (en) | Volute installation support | |
| CN212574783U (en) | Floor sweeping robot | |
| CN214145956U (en) | Fan with sound attenuation structure | |
| CN210007511U (en) | Sound insulation fan cover for motors | |
| CN218870158U (en) | Floor sweeping robot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |