CN110432690A - A kind of sofa with self-cleaning function - Google Patents
A kind of sofa with self-cleaning function Download PDFInfo
- Publication number
- CN110432690A CN110432690A CN201910733901.4A CN201910733901A CN110432690A CN 110432690 A CN110432690 A CN 110432690A CN 201910733901 A CN201910733901 A CN 201910733901A CN 110432690 A CN110432690 A CN 110432690A
- Authority
- CN
- China
- Prior art keywords
- relief valve
- sofa
- ratchet
- self
- air
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 23
- 230000003028 elevating effect Effects 0.000 claims abstract description 32
- 238000007664 blowing Methods 0.000 claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims description 27
- 238000007906 compression Methods 0.000 claims description 27
- 238000003825 pressing Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000003670 easy-to-clean Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4088—Supply pumps; Spraying devices; Supply conduits
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Cleaning In General (AREA)
- Surgical Instruments (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a kind of sofa with self-cleaning function, including supporting leg, backrest, cushion, support seat cushion substrate, further include the air-blowing system for blowing away the dust between cushion and backrest in gap;The air-blowing system includes air accumulator, inflation unit, insufflation unit, the first relief valve, the second relief valve and linkage unit;Wherein for inflating into air accumulator, the insufflation unit passes through first relief valve, the second relief valve being arranged in parallel and is connected to the air accumulator inflation unit.Sofa with self-cleaning function of the invention, as sofa is sat down use by people every time, elevating lever decline, after people leaves sofa, elevating lever rises again, reciprocal with this, realizes and is blown out outward automatically to the dust in gap in order to wipe and clear up, very convenient and practical.
Description
Technical field
The present invention relates to a kind of sofas with self-cleaning function, belong to household items technical field.
Background technique
Sofa is one of furniture important in each family.Since sofa is located among parlor, area is larger, therefore
Often in sofa superficial dust, for the dust on Sofa cushion and backrest surface, it is easy to can wipe, but in cushion
The dust in gap between backrest, then it is not easy to clean, it can then assemble more dust later over time, even if cushion table
Face is very clean, but the Shi Douhui that sits down every time pops up some dusts in gap, unhealthful.
Summary of the invention
Therefore, the purpose of the present invention is to provide a kind of sofas with self-cleaning function, pass through the air blowing system on the downside of sofa
System can blow out the dust between cushion and backrest in gap, thus it is more easy to clean, avoid dust from accumulating in gap.
To achieve the goals above, a kind of sofa with self-cleaning function of the invention, including supporting leg, backrest, cushion, branch
The substrate for supportting cushion, further includes the air-blowing system for blowing away the dust between cushion and backrest in gap;The air-blowing system
Including air accumulator, inflation unit, insufflation unit, the first relief valve, the second relief valve and linkage unit;Wherein the inflation is single
For member for inflating into air accumulator, the insufflation unit passes through first relief valve being arranged in parallel, the connection of the second relief valve
In the air accumulator;The inflation unit includes elevating lever and inflator;The linkage unit and the elevating lever link, packet
It includes a line slide rail, the sliding block being set in line slide rail, the rack gear being set on the sliding block, be meshed with the rack gear
Gear, with the co-axially fixed ratchet of the gear, the ratchet matched with the ratchet, the driving tooth for installing the ratchet
Belt wheel, the driven toothed belt wheel being connected by tooth band with the active toothed belt wheel, are provided with recess on the lateral wall of the tooth band
Section and the non-recess section other than the recess section, the active toothed belt wheel by the ratchet and ratchet effect to only
It can one-directionally rotate;First relief valve carries out releasing pressure automatically when air pressure is more than threshold value in air accumulator, to make automatic leakage
The air-flow that pressure goes out is projected outward by insufflation unit;Second relief valve includes compression relief cock, and the compression relief cock is withstood on
On the lateral wall of the tooth band, and when compression relief cock withstands on the non-recess section of the lateral wall, second relief valve is closed
It closes, when compression relief cock withstands on the recess section, second relief valve is opened, and the air-flow that the second relief valve is discharged after opening is logical
Insufflation unit is crossed to project outward.
So sliding block is articulated with a connecting rod, the connecting rod is articulated with the elevating lever.
The top of the elevating lever is provided with a pressing plate, is provided in the lower part of the cushion for accommodating the pressing plate
Accommodating chamber, the elevating lever pass through the substrate, the inflator, linkage unit and air accumulator, the first relief valve and second
Relief valve is located at the lower section of the substrate.
Reset spring is provided with below the pressing plate, the pressing plate is withstood in the upper end of the reset spring.
Second relief valve includes shell, the air inlet and air outlet being set on the shell, is located at enclosure interior
Horn mouth, can withstand on the ball sealer being sealed on horn mouth and the compression relief cock, the compression relief cock includes peace
Loaded on the mounting rod on the ball sealer, one end far from the ball sealer of the mounting rod is connected to after being pierced by the shell
One idler wheel, the idler wheel are withstood on the lateral wall of the tooth band, one grade of ring are provided on the mounting rod, in the mounting rod
Outer sheath is equipped with a compressed spring, and the shelves ring is withstood in described compressed spring one end, and the other end withstands on the lateral wall of the shell
On.
The position contacted on the housing with the mounting rod is provided with gas sealing mechanism.
The insufflation unit includes a gas cylinder being laterally arranged, and is provided at least one blowing nozzle on the gas cylinder.
When the elevating lever moves down, the gear and the ratchet are rotated forward, and the active toothed belt wheel is static;When the liter
Drop bar is when moving up, the gear and ratchet reversion, the active toothed belt wheel by ratchet and ratchet effect and invert, from
And it is mobile with movable tooth band.
The position that the recess section is connected with non-recess section is provided with inclined changeover portion.
The length ratio of the length of the recess section and the non-recess section is 1:1 ~ 10.
By adopting the above technical scheme, the sofa with self-cleaning function of the invention, by being moved down on elevating lever when use
Kinetic energy is enough to inflate to air accumulator, increases air accumulator air pressure inside, while moving up and down for elevating lever can also be with movable tooth
The rotation of band is withstood on due to tooth band on the compression relief cock of second relief valve, when compression relief cock withstands on the non-of the lateral wall
When the section that is recessed, second relief valve is in close state, when compression relief cock withstands on the recess section, second relief valve
It then opens, the air-flow that the second relief valve is discharged after opening is projected outward by insufflation unit;Simultaneously with this, in insufflation unit and storage
The first relief valve being in parallel with the second relief valve is additionally provided between gas tank, which is common relief valve, when
When air pressure in air accumulator is increased to beyond threshold value, in order to avoid air pressure is excessive, then the first relief valve is opened and is vented outwards, when
After discharge part gas, the air pressure in air accumulator is restored to threshold value or less again when, the first relief valve is closed, and can be protected always in this way
Air pressure in card air accumulator is larger but is unlikely to excessively high, waits the unlatching of the second relief valve;After the second relief valve is opened, by
It is withstood in recess section in compression relief cock, so pressure release state can be constantly in, until the air pressure in air accumulator is near big with the external world
Air pressure is consistent;The subsequent lifting moving again with elevating lever continues band movable tooth band and rotates, until compression relief cock withstand on again it is non-
In the section that is recessed, the second relief valve is closed, and can restart to play pressurized circulation operation to air accumulator.Of the invention has
The sofa of self-cleaning function, as sofa is sat down use by people every time, elevating lever decline, after people leaves sofa, elevating lever again on
It rises, reciprocal with this, realization blows out the dust in gap outward automatically in order to wipe cleaning, very convenient and practical.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the partial enlarged view in the portion A in Fig. 1.
Fig. 3 is the portion the B partial enlarged view in Fig. 2.
Fig. 4 is the scheme of installation of linkage unit, air accumulator, the first relief valve and the second relief valve.
Fig. 5 is the structural schematic diagram of linkage unit.
Fig. 6 is that the mounting structure of gear, ratchet, ratchet and active toothed belt wheel is classified schematic diagram.
Specific embodiment
Below by way of the drawings and specific embodiments, the present invention is described in further detail.
As shown, a kind of sofa with self-cleaning function of the invention, including supporting leg 1, backrest 2, cushion 3, support seat
The substrate 4 of pad 3 further includes the air-blowing system 5 for blowing away the dust between cushion 3 and backrest 2 in gap;The air-blowing system
5 include air accumulator 51, inflation unit 52, insufflation unit 53, the first relief valve 54, the second relief valve 55 and linkage unit 56;
Wherein for inflating into air accumulator 51, the insufflation unit 53 passes through described first be arranged in parallel and lets out the inflation unit 52
Pressure valve 54, the second relief valve 55 are connected to the air accumulator 51;The inflation unit 52 includes elevating lever 521 and inflator
522;The linkage unit 56 links with the elevating lever 521, including a line slide rail 561, is set in line slide rail 561
Sliding block 562, the rack gear 563 being set on the sliding block 562, the gear 564 being meshed with the rack gear 563 and the gear
564 co-axially fixed ratchets 565, the ratchet 566 matched with the ratchet 565, the driving tooth for installing the ratchet 566
Belt wheel 567, the driven toothed belt wheel 569 being connected by tooth band 568 with the active toothed belt wheel 567, in the outside of the tooth band 568
Recess section 568a and the non-recess section 568b other than the recess section 568a, the active toothed belt wheel 567 are provided on wall
Effect by the ratchet 565 and ratchet 566 is to can only one-directionally rotate;First relief valve 54 is in air accumulator 51
Air pressure carries out releasing pressure automatically when being more than threshold value, so that the air-flow that releasing pressure automatically is discharged is projected outward by insufflation unit 53;Institute
Stating the second relief valve 55 includes compression relief cock, and the compression relief cock is withstood on the lateral wall of the tooth band 568, and when pressure release is opened
When pass withstands on the non-recess section 568b of the lateral wall, second relief valve 55 is closed, when compression relief cock withstands on the recess
When section 568a, second relief valve 55 is opened, and the air-flow that the second relief valve 55 is discharged after opening is outside by insufflation unit 53
It projects.
By adopting the above technical scheme, it can be inflated to air accumulator 51 when use by moving up and down for elevating lever 521,
Increase 51 air pressure inside of air accumulator, while moving up and down for elevating lever 521 can also be with the rotation of movable tooth band 568, due to tooth
It is withstood on 568 on the compression relief cock of second relief valve 55, when compression relief cock withstands on the non-recess section 568b of the lateral wall
When, second relief valve 55 is in close state, when compression relief cock withstands on the recess section 568a, second relief valve
55 are opened, and the air-flow that the second relief valve 55 is discharged after opening is projected outward by insufflation unit 53;Simultaneously with this, in list of blowing
The first relief valve 54 being in parallel with the second relief valve 55 is additionally provided between member and air accumulator 51, which is general
Logical relief valve, when the air pressure in air accumulator 51 is increased to beyond threshold value, in order to avoid air pressure is excessive, then the first relief valve 54
It opens and is vented outwards, after discharge part gas, the air pressure in air accumulator 51 is restored to threshold value or less again when, the first relief valve
54 close, and the air pressure that can be always ensured that in air accumulator 51 in this way is larger but is unlikely to excessively high, wait the second relief valve 55
It opens;After the second relief valve 55 is opened, since compression relief cock is withstood on recess section 568a, so pressure release shape can be constantly in
State, until the air pressure in air accumulator 51 is near consistent with external atmosphere pressure;The subsequent lifting moving again with elevating lever 521,
Continue band movable tooth band 568 to rotate, until compression relief cock is withstood on again on non-recess section 568b, the second relief valve 55 is closed, and can
To restart to play pressurized circulation operation to air accumulator 51.Sofa with self-cleaning function of the invention, as sofa is every
Secondary to be sat down use by people, elevating lever 521 declines, and after people leaves sofa, elevating lever 521 rises again, reciprocal with this, realizes opposite joint
Dust in gap is blown out outward automatically in order to wipe cleaning, very convenient and practical.
So sliding block 562 is articulated with a connecting rod 570, the connecting rod 570 is articulated with the elevating lever 521.The elevating lever
521 top is provided with a pressing plate 523, and the lower part of the cushion 3 is provided with the accommodating chamber for accommodating the pressing plate 523,
The elevating lever 521 pass through the substrate 4, the inflator 522, linkage unit 56 and air accumulator 51, the first relief valve and
Second relief valve is located at the lower section of the substrate 4.The lower section of the pressing plate 523 is provided with reset spring 524, the reset bullet
Withstand the pressing plate 523 in the upper end of spring 524.
Second relief valve 55 includes shell 551, the air inlet and air outlet being set on the shell 551, is located at
Horn mouth 552 inside shell 551 can withstand on the ball sealer 553 being sealed on horn mouth 552 and the pressure release is opened
Close, the compression relief cock includes the mounting rod 554 being installed on the ball sealer 553, the mounting rod 554 far from described close
One end of blocking 553 is connected to an idler wheel 555 after being pierced by the shell 551, and the idler wheel 555 withstands on the outer of the tooth band 568
On side wall, it is provided with one grade of ring 556 on the mounting rod 554, is equipped with a compressed spring in 554 outer sheath of mounting rod
557, the shelves ring 556 is withstood in described 557 one end of compressed spring, and the other end is withstood on the lateral wall of the shell 551.
The position contacted on the shell 551 with the mounting rod 554 is provided with gas sealing mechanism, for example, sealing ring or
Person's sealing ring.The insufflation unit 53 includes a gas cylinder 531 being laterally arranged, and is provided at least one on the gas cylinder 531
A blowing nozzle 532.
When the elevating lever 521 moves down, the gear 564 and the ratchet 565 are rotated forward, the active toothed belt wheel 567
It is static;When the elevating lever 521 moves up, the gear 564 and the ratchet 565 are inverted, the active toothed belt wheel 567 by
The effect of ratchet 565 and ratchet 566 and invert, thus mobile with movable tooth band 568.Using the above structure, when people is sitting on sofa
When, it is mobile not will cause belt wheel, so that the second relief valve 55 unlatching after sitting down be avoided persistently to be vented outwards, dust is blown out, is drawn
Play the discomfort of people;And when people stands and leaves, belt wheel just be can rotate, thus the second relief valve 55 can only after people leaves sofa to
Outer exhaust, dust is blown out.
The position connected non-recess section 568b is provided with inclined changeover portion 568c in the recess section 568a.It is described recessed
The length ratio of the length and the non-recess section 568b that fall into section 568a is 1:1 ~ 10, primarily to making inflator 522 to storage
The number inflated in gas tank 51 is more, pours after enough air pressures and just carries out primary thoroughly exhaust.
In order to keep overall structure more integrated, the linkage unit 56, the first relief valve 54, the installation of the second relief valve 55
In in a box body 50, the box body is fixed as one with 51 phase of air accumulator, and the inner sidewall of box body is arranged in line slide rail 561
On, the wheel shaft and active toothed belt wheel 567 of gear 564 and ratchet 565 and the wheel shaft of driven toothed belt wheel 569 are pacified by bearing respectively
On box body 50.Inflator 522 can be fixed with 50 phase of box body, can also be independently arranged with box body.The active toothed belt wheel
567 be hollow structure, and inside is provided with installation sleeve 567a, ratchet mounting hole 567b is provided on the installation sleeve 567a,
The ratchet is installed in the ratchet mounting hole and is withstood by a ratchet spring 566c, and the sleeve is fixed by screws in
On the active toothed belt wheel 567, the ratchet 565 is inserted on the inside of the installation sleeve 567a.
Obviously, above-described embodiment is only intended to clearly illustrate example, and does not limit the embodiments.For
For those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change
It moves still within the protection scope of the invention.
Claims (10)
1. a kind of sofa with self-cleaning function, it is characterised in that: including supporting leg, backrest, cushion, support seat cushion substrate, also
Including the air-blowing system for blowing away the dust between cushion and backrest in gap;The air-blowing system includes air accumulator, inflation
Unit, insufflation unit, the first relief valve, the second relief valve and linkage unit;Wherein the inflation unit is used for air accumulator
Interior inflation, the insufflation unit pass through first relief valve, the second relief valve being arranged in parallel and are connected to the air accumulator;Institute
Stating inflation unit includes elevating lever and inflator;The linkage unit and the elevating lever link, including a line slide rail, set
It is placed in the sliding block in line slide rail, the rack gear being set on the sliding block, the gear being meshed with the rack gear and the gear
Co-axially fixed ratchet, the ratchet matched with the ratchet, the active toothed belt wheel for installing the ratchet, by tooth band with
The connected driven toothed belt wheel of the active toothed belt wheel is provided with recess section and in addition to the recess on the lateral wall of the tooth band
Non- recess section other than section, the active toothed belt wheel can only be one-directionally rotated by the effect of the ratchet and ratchet;Institute
It states the first relief valve and carries out releasing pressure automatically when air pressure is more than threshold value in air accumulator, so that the air-flow that releasing pressure automatically is discharged passes through
Insufflation unit projects outward;Second relief valve includes compression relief cock, and the compression relief cock withstands on the lateral wall of the tooth band
On, and when compression relief cock withstands on the non-recess section of the lateral wall, second relief valve is closed, when compression relief cock is withstood on
When the recess section, second relief valve is opened, and the air-flow that the second relief valve is discharged after opening is penetrated outward by insufflation unit
Out.
2. as described in claim 1 with the sofa of self-cleaning function, it is characterised in that: so sliding block is articulated with a connecting rod, institute
It states connecting rod and is articulated with the elevating lever.
3. as described in claim 1 with the sofa of self-cleaning function, it is characterised in that: the top of the elevating lever is provided with one
Pressing plate is provided with the accommodating chamber for accommodating the pressing plate in the lower part of the cushion, and the elevating lever passes through the substrate, institute
State inflator, linkage unit and air accumulator, the first relief valve and the second relief valve are located at the lower section of the substrate.
4. as claimed in claim 3 with the sofa of self-cleaning function, it is characterised in that: be provided with below the pressing plate multiple
Position spring, the pressing plate is withstood in the upper end of the reset spring.
5. as described in claim 1 with self-cleaning function sofa, it is characterised in that: second relief valve include shell,
The air inlet and air outlet that are set on the shell, positioned at enclosure interior horn mouth, can withstand on horn mouth carry out it is close
The ball sealer of envelope and the compression relief cock, the compression relief cock include the mounting rod being installed on the ball sealer, the peace
One end far from the ball sealer of dress bar is connected to an idler wheel after being pierced by the shell, and the idler wheel withstands on the outer of the tooth band
On side wall, it is provided with one grade of ring on the mounting rod, is equipped with a compressed spring, the compression bullet in the mounting rod outer sheath
The shelves ring is withstood in spring one end, and the other end is withstood on the lateral wall of the shell.
6. as claimed in claim 5 with self-cleaning function sofa, it is characterised in that: on the housing with the mounting rod
The position of contact is provided with gas sealing mechanism.
7. as described in claim 1 with the sofa of self-cleaning function, it is characterised in that: the insufflation unit is laterally set including one
The gas cylinder set is provided at least one blowing nozzle on the gas cylinder.
8. as described in claim 1 with the sofa of self-cleaning function, it is characterised in that: described when the elevating lever moves down
Gear and the ratchet rotate forward, and the active toothed belt wheel is static;When the elevating lever moves up, the gear and the ratchet are anti-
Turn, the active toothed belt wheel by ratchet and ratchet effect and invert, thus mobile with movable tooth band.
9. as described in claim 1 with the sofa of self-cleaning function, it is characterised in that: in the recess section and non-recess Duan Lian
The position connect is provided with inclined changeover portion.
10. as described in claim 1 with self-cleaning function sofa, it is characterised in that: it is described recess section length with it is described
The length ratio of non-recess section is 1:1 ~ 10.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910733901.4A CN110432690B (en) | 2019-08-09 | 2019-08-09 | Sofa with self-cleaning function |
CN202011143665.XA CN112244689B (en) | 2019-08-09 | 2019-08-09 | Air blowing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910733901.4A CN110432690B (en) | 2019-08-09 | 2019-08-09 | Sofa with self-cleaning function |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011143665.XA Division CN112244689B (en) | 2019-08-09 | 2019-08-09 | Air blowing system |
Publications (2)
Publication Number | Publication Date |
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CN110432690A true CN110432690A (en) | 2019-11-12 |
CN110432690B CN110432690B (en) | 2022-01-25 |
Family
ID=68434382
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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CN201910733901.4A Active CN110432690B (en) | 2019-08-09 | 2019-08-09 | Sofa with self-cleaning function |
CN202011143665.XA Active CN112244689B (en) | 2019-08-09 | 2019-08-09 | Air blowing system |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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CN202011143665.XA Active CN112244689B (en) | 2019-08-09 | 2019-08-09 | Air blowing system |
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CN (2) | CN110432690B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110367870A (en) * | 2019-08-13 | 2019-10-25 | 吕昶珺 | It is a kind of applied to furniture, curtain, dress ornament household cleaning device |
CN111887649A (en) * | 2020-06-04 | 2020-11-06 | 安徽钜将家具制造有限公司 | Combined seat |
CN112845202A (en) * | 2020-12-17 | 2021-05-28 | 贵州创想宏宇科技有限公司 | Security monitoring device |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110367870A (en) * | 2019-08-13 | 2019-10-25 | 吕昶珺 | It is a kind of applied to furniture, curtain, dress ornament household cleaning device |
CN111887649A (en) * | 2020-06-04 | 2020-11-06 | 安徽钜将家具制造有限公司 | Combined seat |
CN111887649B (en) * | 2020-06-04 | 2022-05-13 | 安徽钜将家具制造有限公司 | Combined seat |
CN112845202A (en) * | 2020-12-17 | 2021-05-28 | 贵州创想宏宇科技有限公司 | Security monitoring device |
CN112845202B (en) * | 2020-12-17 | 2022-09-06 | 北京泰豪智能工程有限公司 | Security monitoring device |
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CN112244689B (en) | 2021-12-03 |
CN110432690B (en) | 2022-01-25 |
CN112244689A (en) | 2021-01-22 |
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