CN109953688A - A kind of suction head of suction cleaner - Google Patents
A kind of suction head of suction cleaner Download PDFInfo
- Publication number
- CN109953688A CN109953688A CN201810759408.5A CN201810759408A CN109953688A CN 109953688 A CN109953688 A CN 109953688A CN 201810759408 A CN201810759408 A CN 201810759408A CN 109953688 A CN109953688 A CN 109953688A
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- CN
- China
- Prior art keywords
- pivot
- segment
- cable
- block
- pivot block
- 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.)
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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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
The invention discloses a kind of suction head of suction cleaner, belong to household appliance technical field, solve the problems, such as that electric wire is stuck, the technical solution for solving the problems, such as this mainly includes shell, connecting tube, insertion pipe, round brush and the motor for driving round brush, one end of connecting tube and housing hinge, one end of insertion pipe and the other end of connecting tube are hinged, round brush is rotationally connected with shell, the other end of insertion pipe is equipped with connecting terminal, connecting terminal is electrically connected by electric wire with motor, the hinged place of insertion pipe and connecting tube surrounds transition cable tray by insertion pipe and connecting tube, the direction of the transition cable tray axis that insertion pipe is rotated relative to connecting tube along a direction substantially perpendicular extends, electric wire is successively from insertion pipe, transition cable tray, connecting tube and shell cabling are to motor.Present invention is mainly used for effectively electric wire is avoided to be stuck.
Description
Technical field
The present invention relates to household electrical appliance, especially a kind of suction head of suction cleaner.
Background technique
Motor can be arranged to drive round brush to rotate in a kind of existing suction head of suction cleaner, including shell and round brush, shell, thus
Improve cleaning effect, it is therefore desirable to power to motor from the motor of connecting cable to suction nozzle on the battery of main body of dust collector, and
In order to avoid cable influences appearance, can stash cable cabling.And in order to which user's operation is convenient, existing dust catcher is equipped with more
Neck structure with turning function, typical neck structure include pivotable hard tube and the hose in hard tube.It is right
Transmission cable is mostly set up directly on inside corrugated flexible hose by the power supply of suction nozzle motor, the prior art；Which increase answering for bellows structure
Miscellaneous degree, the specific gravity for causing the cost of hose segment to account for product cost is excessive, when additionally by hose cabling, hose and hard tube
Binding site is easy to appear the problems such as poor contact；Particularly, when hose blocks, disassembly, cleaning difficulty is larger.Therefore it needs
Find the shortcomings that alternative cabling scheme of one kind is to overcome through hose cabling.
Utility model content
Present invention purpose to be achieved is just to provide a kind of suction head of suction cleaner, effectively cable is avoided to be stuck.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of suction head of suction cleaner, including shell, lower pivot segment and upper pivot segment, the lower pivot pars infrasegmentalis and shell are cut with scissors
It connects, the upper pivot pars infrasegmentalis and lower pivot segment top are hinged, are equipped with inside the upper pivot segment and/or lower pivot segment for air-flow
By flexible pipe, the upper pivot segment is equipped with connecting terminal, and the shell is equipped with rolling brush drive motor, and the connecting terminal is logical
Cable is crossed as motor power supply, described cable one end is connected with connecting terminal, and the other end successively passes through pivot segment, upper pivotal binding
Enter shell behind portion, lower pivot segment, lower pivotal binding portion to be powered motor；The upper pivotal binding cage structure, which has, substantially to hang down
Directly in the upward wiring channel of upper pivot axis, the upward wiring one end of the channel is connected with upper pivot segment cable outlet, the other end with
Lower pivot segment cable inlet is connected.
Further, the lower pivotal binding cage structure has the downward cabling channel for being roughly parallel to lower pivot axis, the electricity
Cable enters shell behind downward cabling channel.
Further, the pivot axis of the pivot axis and lower pivot part in the upper pivotal binding portion is substantially vertical.
Further, the upper pivot segment side wall is equipped with upward wiring chamber, and the cable enters upper pivotal binding through upward wiring chamber
Portion, the upper pivot segment side wall at least partly region are double-wall structure, form the upward wiring chamber between double wall.
Further, the lower pivot segment side wall is equipped with downward cabling chamber, and the cable enters lower pivotal binding through downward cabling chamber
Portion, the lower pivot segment inner wall are equipped with inlay card part, and wall pieces form downward cabling chamber in the inlay card part and lower pivot segment.
Further, the upper pivotal binding portion includes the second pivot block and the first pivot block being rotatably assorted therewith, described
First pivot block is at least partly set in outside the second pivot block, and second pivot block is fixed with lower pivot segment, the lower pivot
Section cable inlet is located in the second pivot block.
Further, first pivot block is fixed with upper pivot segment, and the first pivot block inner sidewall is equipped with upper pivot segment
Cable outlet, second pivot block and upper pivot segment cable outlet corresponding position are equipped with the cable tray.
Further, the upward wiring channel is radially extended along the second pivot block, and the lower pivot segment cable inlet is located at the
Two pivot block end faces, the upward wiring passage length are greater than the half of the radical length of the second pivot block.
Further, second pivot block is set there are two retaining convex rib, and upward wiring channel is formed between two retaining convex ribs.
Further, second pivot block, which is equipped with along its axially extending through-hole, the through-hole, is removably equipped with electricity
Cable locating part, the locating part include lid shell and two linking arms, and the lid shell is passed through against the first pivot block, the linking arm
It is connect after first pivot block and the second pivot block with the second pivot block bottom, the upward wiring channel is prolonged between two linking arms
It stretches.
Further, the lower pivotal binding portion includes lower pivotal axis and the lower pivot axle sleeve being rotatably assorted therewith, under described
It pivots axle sleeve to be at least partly set in outside lower pivotal axis, the lower pivotal axis is equipped with along its axially extending through-hole, at least partly
Downward cabling channel is formed, the cable enters shell after the through-hole passes through lower pivotal binding portion.
Present invention cabling directly inside hard tube effectively overcomes through hose cabling bring poor reliability, and cleaning is not
Just, the disadvantages of higher cost.Specifically: the present invention is approximately perpendicular to upper pivot axis in upper pivotal binding position construction one
Upward wiring channel, cable pass radially through upper pivotal binding portion by the channel, can effectively reduce pivotal binding portion size, make pivot
It is compact to turn joint structure；Line chamber is walked in upper pivot segment side wall construction double wall, inlay card part is set in lower pivot segment, can avoid cable
The exposed stability for generating abrasion with other component and neck structure can be kept simultaneously；Pivotal binding portion includes pivoting in the present invention
Seat and the pivot cover for seat for pivoting cooperation therewith, and by the setting of lower pivot segment cable inlet in pivot block end face, by upper pivot segment electricity
The setting of cable entrance is pivoting cover for seat inner wall, can reduce the length of cable, pivot segment size in diminution avoids online pivot segment phase
Clip cable when to movement；Retaining convex rib and cable locating part is further arranged in the present invention, and cable can be limited to upper pivotal axis
Near zone reduces the activity space of cable, when further decreasing pivoting action a possibility that cable damage；The present invention is in lower pivot
Turn engaging portion and be configured with the downward cabling channel for being roughly parallel to lower pivot axis, cable is directly along lower pivotal binding portion axis direction
The possibility with cable clip, distortion is greatly reduced because of pivoting process central axes near zone motion amplitude minimum into shell
Property.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is a kind of structural schematic diagram of suction head of suction cleaner (one) of the present invention；
Fig. 2 is a kind of structural schematic diagram of suction head of suction cleaner (two) of the present invention；
Fig. 3 is a kind of partial sectional view of suction head of suction cleaner of the present invention；
Fig. 4 is the enlarged drawing in Fig. 2 at I；
Fig. 5 is the enlarged drawing in Fig. 3 at II；
Fig. 6 is the structural schematic diagram of locating part in a kind of suction head of suction cleaner of the present invention；
Fig. 7 is the schematic diagram of connecting tube and insertion pipe hinged place in a kind of suction head of suction cleaner of the present invention.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, the present invention provides a kind of suction head of suction cleaner, including shell 1, lower pivot segment 3 and upper pivot
Turn section 4, lower 3 lower end of pivot segment and shell 1 are hinged, and upper 4 lower part of pivot segment and lower 3 top of pivot segment are hinged, described
The flexible pipe passed through for supplying stream is equipped with inside upper pivot segment and/or lower pivot segment, the upper end of the upper pivot segment 4, which is equipped with, to be connect
The pivot axis of the pivot axis (descending pivotal axis) of line terminals, shell 1 and lower pivot segment 3 and upper pivot segment 4 and lower pivot segment 3
(i.e. upper pivotal axis) is not parallel, and pivotal axis is set as being mutually perpendicular to upper pivotal axis usually under part, and round brush 2 is equipped in shell 1
With the driving motor 5 for driving round brush to rotate, connecting terminal is motor power supply, 51 one end of cable and terminals by cable 51
Son is connected, and the other end successively enters shell 1 behind upper pivot segment 4, upper pivotal binding portion, lower pivot segment 3, lower pivotal binding portion
And motor is powered；Wherein upper pivotal binding cage structure has the upward wiring channel T1 for being approximately perpendicular to pivot axis X1,
Upward wiring channel one end T1 is connected with upper pivot segment cable outlet 45, and the other end is connected with lower pivot segment cable inlet 38, here
It is substantially vertical refer to it is vertical or close to vertical, such as between the extending direction and upper pivot axis X1 of upward wiring channel T1
Angle, which is in 75 °~105 °, can meet substantially vertical requirement.Upper pivot segment 4 is used to and main body of dust collector grafting, can also be with
It is connected by inserting prolonging Guan Houyu main body of dust collector, and obtains electric power using connecting terminal.It should be clear that cable 51 was both
It can also directly can power indirectly to motor to motor power supply, cable can be right by electrical components such as transformations first when power supply indirectly
It powers again to motor afterwards；Upper pivotal binding portion, which refers to, rotates directly related position, upper pivot with lower pivot segment 3 and upper pivot segment 4
Each component part for turning interconnecting piece can be both wholely set with lower pivot segment 3 or upper pivot segment 4, can also with lower pivot segment 3 or
The upper detachably setting of pivot segment 4；Lower pivotal binding portion refers to the portion directly related with the rotary spacing of lower pivot segment 3 and shell 1
Position, each component part of lower pivot section can be both integrally formed with lower pivot segment 3 or shell 1, can also be with lower pivot segment 3
Or shell 1 is detachably arranged.
By the way that cable tray is directly arranged inside hard tube, effectively overcome through hose cabling bring poor reliability,
The disadvantages of cleaning is inconvenient, higher cost.And the upward wiring of upper pivot axis is approximately perpendicular in upper pivotal binding position construction one
Channel, cable pass radially through upper pivotal binding portion by the channel, can effectively reduce pivotal binding portion size, make pivoting articulation
It is compact-sized, and this mode can shorten hinge point cable length, because cable itself is because of the edge of insulating layer rubber
So there is certain bending resistance, so cable, which follows, plugs pivot when upper pivot segment 4 is rotated relative to lower pivot segment 3
The amplitude of 4 rotation of section can also reduce, so as to reduce the probability that cable is clamped by upper pivot segment 4 and lower pivot segment 3.
As shown in Fig. 3,4,5, upper pivotal binding portion includes the first pivot block 42 and is rotatably assorted therewith in the present embodiment
The second pivot block 30, first pivot block 42 and upper 4 integrated injection molding of pivot segment, second pivot block 30 and lower pivot
Turn 3 integrated injection molding of section；First pivot block 42 is at least partly set in outside the second pivot block 30, lower pivot segment cable inlet 38
In the second pivot block 30；Specifically, the second pivot block 30 may include the first arc guide surface 36 and the second arcuate guide
Face 34, the first pivot block 42 include with the first arc guide surface 36 cooperation third arc guide surface 43 and with the second arcuate guide
The 4th arc guide surface 44 that face 34 cooperates, wherein upper pivot segment cable outlet 45 be located at 44 inner sidewall of the 4th arc guide surface and
The binding site of upper pivot segment 4, the second arc guide surface 34 are equipped with notch 37 with upper 45 corresponding position of pivot segment cable outlet.This
In embodiment, upward wiring channel T1 is radially extended along the second pivot block 30 and (is approximately perpendicular to X1 axis at this time), lower pivot segment cable
Entrance 38 is located at 30 end face of the second pivot block, and pivot segment cable inlet 38 is located at the first arc guide surface 36 and the second arc at present for this
Between shape guide surface, the length of upward wiring channel T1 is greater than half (this pivot at present of the radical length of the second pivot block 30
Deviate upper pivot axis in the position for turning section cable inlet 38)；It should be noted that the first arc guide surface 36 and the second arc are led
It is not required for unanimously to the height in face 34, the first arc guide surface of the present embodiment 36 is higher than the second arc guide surface 34, and lower pivot
The position for turning section cable inlet 38 is lower than the height of the first arc guide surface 36, and upward wiring channel T1 is also positioned below the at this time
The height of one arc guide surface 36 (height of the present embodiment refers to apart from the lower distance for pivoting section surface).As shown in Figure 2,3, 4,
In order to improve the reliability of upper pivot segment 4 and the connection of lower pivot segment 3, the identical upper pivotal binding of settable two pivot axis
Portion, at least one of them pivot section is interior to be arranged cable tray, specifically can be arranged two first in upper 4 lower end of pivot tube
The second pivot block 30 is arranged in the two sides of lower 3 upper end of pivot tube in pivot block 42, and two first pivot blocks 42 are located at lower pivot tube
The two sides of 3 upper ends, and pivot cooperate with the second pivot block 30 respectively.First pivot block 42 is equipped with outer installing hole 421, and second pivots
Seat 30 is equipped with interior installing hole 31, and the first pivot block 42 is equipped with across outer installing hole 421, interior installing hole 31 and the second pivot block 30
It is fixedly connected with the locating part 6 for preventing the first pivot block 42 isolated with the second pivot block 30, the rotation of articulated slab relative limit part.
It, can be to avoid upper pivot segment 4 and lower pivot segment 3 by being arranged lower pivot segment cable inlet 38 in pivot block end face
43 clip cable 51 of first arc guide surface 36 and third arc guide surface in rotary course；Upper pivot segment cable outlet 45 is set
It sets and is pivoting cover for seat inner wall and be equipped with notch with upper 45 corresponding position of pivot segment cable outlet in the second arc guide surface 34 simultaneously
37, it can block to avoid the second arc guide surface 34 in upper pivot segment 4 and lower 3 rotary course of pivot segment and the 4th arc guide surface 44
Press from both sides cable 51.The height of first arc guide surface 36 is set above lower pivot segment cable inlet 38 and upward wiring channel T1,
Can to avoid upper pivot segment 4 side wall and cable friction.
In the present embodiment, as shown in Fig. 4,7, the second pivot block 30 is set there are two retaining convex rib 32, upward wiring channel T1
Extend between two retaining convex ribs 32；Second pivot block 30 is equipped with the through-hole 31 that extends along its axial direction T1, removable in through-hole 31
That unloads is equipped with cable locating part 6, as shown in fig. 6, locating part includes lid shell 6 and two linking arms 61, the lid shell 6 is against first
Pivot block 42,61 lower end of linking arm are equipped with non-return protrusion 64, and linking arm 61 passes through the first pivot block 42 and the second pivot block
It is connect by non-return protrusion 64 with 30 bottom of the second pivot block after 30, upward wiring channel T1 extends between two linking arms.
By setting retaining convex rib and cable locating part, cable can be further limited in retaining convex rib and locating part it
Between, and it is limited to pivotal axis X1 near zone, reduce the activity space of cable, cable damage when further decreasing pivoting action
A possibility that.
In the present embodiment, upper 4 side wall of pivot segment is equipped with upward wiring chamber 41, and cable 51 enters upper pivot through upward wiring chamber 41
Engaging portion forms on described wherein going up the double-wall structure that pivot segment sidewall sections region is integrally formed between double wall
Line chamber 41；Lower 3 side wall of pivot segment is equipped with downward cabling chamber 35, and cable 51 enters lower pivotal binding portion, lower pivot through downward cabling chamber 35
3 inner walls of section are equipped with inlay card part, and downward cabling chamber 35 is formed between inlay card part and lower pivot segment inner wall.By being constructed in upper pivot segment side wall
Double wall walks line chamber, and inlay card part is arranged in lower pivot segment, can avoid exposed generate with other component of cable and wears and can protect simultaneously
Hold the stability of neck structure.
In the present embodiment, lower pivotal binding cage structure has the downward cabling channel T2 for being roughly parallel to lower pivot axis X2,
Cable 51 enters shell 2 after the T2 of downward cabling channel, wherein the pivot axis of the pivot axis T1 of upper pivot part and lower pivot part
T2 is substantially vertical；Particularly, lower pivotal binding portion includes lower pivot block 33 and the lower pivot cover for seat 11 being rotatably assorted therewith, lower pivot
Swivel base set 11 is at least partly set in outside lower pivot block 33, and cover for seat 11 and shell are integrally formed, lower pivot block 33 and lower pivot segment
It is integrally formed, lower pivot block 33 is equipped with along its axially extending through-hole 31, and the cable 51 passes through lower pivot after the through-hole 31
Engaging portion simultaneously enters shell 2, and particularly, through-hole 31 is the cylindrical hole that following pivot axis X2 is axis.
By having the downward cabling channel for being roughly parallel to lower pivot axis in lower pivotal binding cage structure, cable is directly under
Pivotal binding portion axis direction enters shell, because of pivoting process central axes near zone motion amplitude minimum, is greatly reduced and electric
A possibility that cable clip, distortion.
Since shell 1 is equipped with round brush 2, it is possible to design the installation cavity 101 and be located at peace that shell 1 includes installation round brush 2
It behave affectedly the first side plate 12 of 101 formation installation cavity side walls, across shell of the cable in the first side plate of the second hinge connection
Body cable tray extends, and the outlet of shell cable tray is located at the position above the first side plate to motor.Void so as shown in figure 1
Shown in line, cable 51 is along upward wiring chamber 41, upward wiring channel T1, downward cabling chamber 35, downward cabling channel T2 and shell cable tray
Cabling is hidden completely, and not only appearance is more preferable, but also cable is hardly damaged.
In addition to above preferred embodiment, there are other embodiments of the invention, and those skilled in the art can be according to this
Invention makes various changes and modifications, and as long as it does not depart from the spirit of the invention, should belong to appended claims of the present invention and determines
The range of justice.
Claims (10)
1. a kind of suction head of suction cleaner, including shell, lower pivot segment and upper pivot segment, the lower pivot segment lower end and housing hinge,
The upper pivot pars infrasegmentalis and lower pivot segment top are hinged, and gas supply circulation is equipped with inside the upper pivot segment and/or lower pivot segment
The flexible pipe crossed, the upper pivot segment are equipped with connecting terminal, and the shell is equipped with rolling brush drive motor, and the connecting terminal passes through
Cable be motor power supply, it is characterised in that: described cable one end is connected with connecting terminal, the other end successively pass through pivot segment,
Motor is powered behind upper pivotal binding portion, lower pivot segment, lower pivotal binding portion；The upper pivotal binding cage structure has substantially
Perpendicular to the upward wiring channel of upper pivot axis, the upward wiring one end of the channel is connected with upper pivot segment cable outlet, the other end
It is connected with lower pivot segment cable inlet.
2. according to suction head of suction cleaner described in claims 1, it is characterised in that: the lower pivotal binding cage structure has substantially parallel
In the downward cabling channel of lower pivot axis, the cable enters shell behind downward cabling channel.
3. according to suction head of suction cleaner described in claims 1, it is characterised in that: the pivot axis in the upper pivotal binding portion is under
The pivot axis of pivot part is substantially vertical.
4. according to suction head of suction cleaner described in claims 1, it is characterised in that: the upper pivot segment side wall is equipped with upward wiring chamber,
The cable enters upper pivotal binding portion through upward wiring chamber；The upper pivot segment side wall at least partly region is double-wall structure,
The upward wiring chamber is formed between double wall.
5. according to suction head of suction cleaner described in claims 1, it is characterised in that: the lower pivot segment side wall is equipped with downward cabling chamber,
The cable enters lower pivotal binding portion through downward cabling chamber；The lower pivot segment inner wall is equipped with inlay card part, and the inlay card part is under
Wall pieces form downward cabling chamber in pivot segment.
6. according to suction head of suction cleaner described in claims 1, it is characterised in that: the upper pivotal binding portion includes the second pivot block
The first pivot block being rotatably assorted therewith, first pivot block are at least partly set in outside the second pivot block, and described second
Pivot block is fixed with lower pivot segment, and the lower pivot segment cable inlet is located in the second pivot block.
7. according to suction head of suction cleaner described in claims 6, it is characterised in that: first pivot block is fixed with upper pivot segment,
The first pivot block inner sidewall is equipped with upper pivot segment cable outlet, and second pivot block is corresponding with upper pivot segment cable outlet
The cable tray is equipped at position.
8. according to suction head of suction cleaner described in claims 6, it is characterised in that: the upward wiring channel is along the second pivot block radial direction
Extend, the lower pivot segment cable inlet is located at the second pivot block end face, and the upward wiring passage length is greater than the second pivot block
Radical length half.
9. according to suction head of suction cleaner described in claims 6-8 any one, it is characterised in that: second pivot block is equipped with two
A retaining convex rib forms upward wiring channel between two retaining convex ribs.
10. according to suction head of suction cleaner described in claims 6-8 any one, it is characterised in that: second pivot block is equipped with
The through-hole axially extending along its is removably equipped with cable locating part in through-hole, and the locating part includes lid shell and two
Linking arm, the lid shell against second the first pivot block of pivot block, the linking arm pass through second the first pivot block of pivot block and
It is connect after second pivot block with the second pivot block bottom, the upward wiring channel extends between two linking arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810759408.5A CN109953688A (en) | 2018-07-11 | 2018-07-11 | A kind of suction head of suction cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810759408.5A CN109953688A (en) | 2018-07-11 | 2018-07-11 | A kind of suction head of suction cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109953688A true CN109953688A (en) | 2019-07-02 |
Family
ID=67023109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810759408.5A Pending CN109953688A (en) | 2018-07-11 | 2018-07-11 | A kind of suction head of suction cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109953688A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4190307A (en) * | 1977-08-17 | 1980-02-26 | Vorwerk Interholding Gmbh | Adapter |
| GB2554937A (en) * | 2016-10-14 | 2018-04-18 | Tti Macao Commercial Offshore Ltd | A tool for a surface cleaning apparatus |
| CN209360565U (en) * | 2018-07-11 | 2019-09-10 | 尚科宁家（香港）股份有限公司 | A kind of suction head of suction cleaner |
-
2018
- 2018-07-11 CN CN201810759408.5A patent/CN109953688A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4190307A (en) * | 1977-08-17 | 1980-02-26 | Vorwerk Interholding Gmbh | Adapter |
| GB2554937A (en) * | 2016-10-14 | 2018-04-18 | Tti Macao Commercial Offshore Ltd | A tool for a surface cleaning apparatus |
| CN209360565U (en) * | 2018-07-11 | 2019-09-10 | 尚科宁家（香港）股份有限公司 | A kind of suction head of suction cleaner |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190702 |