CN112617662A - Surface cleaning head for a vacuum cleaner - Google Patents
Surface cleaning head for a vacuum cleaner Download PDFInfo
- Publication number
- CN112617662A CN112617662A CN201910947797.9A CN201910947797A CN112617662A CN 112617662 A CN112617662 A CN 112617662A CN 201910947797 A CN201910947797 A CN 201910947797A CN 112617662 A CN112617662 A CN 112617662A
- Authority
- CN
- China
- Prior art keywords
- end cover
- locking
- shell
- vacuum cleaner
- cleaning head
- 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
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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
- A47L9/04—Nozzles with driven brushes or agitators
-
- 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
Abstract
The invention discloses a surface cleaning head for a vacuum cleaner, comprising a rolling brush; a housing including a brush chamber for accommodating the brush and an opening through which the brush is removable from the brush chamber; an end cap fitted at an end of the roll brush, the end cap attachable to the housing to restrain the roll brush within the roll brush cavity, the end cap configured to: the device is arranged on the shell and can rotate between a locking position and an unlocking position, and can be attached to or detached from the shell through the rotation; the locking mechanism is used for locking the end cover at a locking position, the locking mechanism is provided with an unlocking switch which can be operated by a user to unlock the locking mechanism, and the unlocking switch is arranged on the shell; the toggle mechanism comprises a toggle piece movably arranged on the shell, the toggle piece is abutted against the end cover when the end cover is in a locking position, and the toggle piece is configured into: when the unlocking switch unlocks the locking mechanism, the unlocking switch can be triggered to move so as to toggle the end cover to rotate from the locking position to the unlocking position.
Description
Technical Field
The present invention relates to the field of cleaning equipment, and in particular to a surface cleaning head for a vacuum cleaner.
Background
In daily life, people usually use a vacuum cleaner to clean indoor floor, suck dust particles on the floor, and the like. A vacuum cleaner typically comprises a floor brush adapted to be moved over a floor surface to be cleaned, the floor brush typically comprising a housing having a suction opening at its bottom, the housing defining a roller brush chamber within which the roller brush is mounted, the housing being provided on at least one of its sides with an aperture via which the roller brush can be removed from or mounted in the roller brush chamber and an end cap which is detachably mounted on the housing and which can open or close the aperture. The end caps are typically mounted or dismounted from the housing after being angled about a transverse axis such that the aperture is opened or closed to allow the roller brush to be removed or mounted through the aperture. A cleaner head as disclosed in chinese patent application publication No. CN108937719A, by providing a latch mechanism on the cleaner head, the latch mechanism has a release member provided on the end cap, the release member being manually operable to release the latch mechanism so as to allow the locking portion to rotate to the unlocked position.
In the above structure, in actual operation, the user needs to press the housing with one hand and operate the release member, and leave the other hand to rotate the end cap, so as to detach the end cap from the housing, so as to subsequently draw the rolling brush out of the rolling brush cavity for maintenance and the like. Thus, it is not convenient in operation, and it puts high demands on the degree of cooperation of both hands of the user.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a surface cleaning head for a vacuum cleaner, which can open an end cover by one key and is more convenient to operate.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme:
a surface cleaning head for a vacuum cleaner, comprising:
rolling and brushing;
a housing including a brush chamber for receiving the brush and an opening through which the brush is removable from the brush chamber;
an end cap fitted at an end of the roll brush, the end cap being attachable to the housing to restrain the roll brush within the roll brush cavity; the end cap is configured to: a rotatable mounting on said housing between a locked position and an unlocked position and attachable to and removable from said housing by such rotation;
a locking mechanism for locking the end cap in the locked position, the locking mechanism having an unlocking switch operable by a user to unlock the locking mechanism, the unlocking switch being disposed on the housing;
the toggle mechanism comprises a toggle piece movably arranged on the shell, the toggle piece is abutted against the end cover when the end cover is in a locking position, and the toggle piece is configured to: when the unlocking switch unlocks the locking mechanism, the unlocking switch can be triggered to move so as to toggle the end cover to rotate from the locking position to the unlocking position.
In the above technical solution, preferably, the toggle mechanism includes a second spring, the toggle member is movably supported on the housing by the second spring, and the second spring is in a compressed state when the end cover is in the locked position; when the unlocking switch unlocks the locking mechanism, the second spring applies reset elastic force to the poking piece to poke the end cover to rotate from the locking position to the unlocking position.
In the above technical solution, preferably, a sleeve is provided on an inner side wall surface of the end cap, and a corresponding portion of the roll brush is rotatably supported on the sleeve.
In the above-described aspect, preferably, the toggle member is provided on the housing so as to be movable up and down.
In the above technical solution, preferably, an extension portion extending along a transverse direction is provided on an inner side wall of the end cover, and the extension portion is located on a moving path of the toggle member.
In the above technical solution, preferably, the locking mechanism includes a lock tongue disposed on the housing and capable of moving in a lateral direction, a first spring disposed between the housing and the lock tongue, and a locking portion disposed on the end cover and engaged with the lock tongue, and a third spring is disposed between the unlocking switch and the housing.
In the above technical solution, preferably, a first protrusion extending in the transverse direction is disposed on an inner side wall of the end cover, the first protrusion constitutes the locking portion, the locking tongue is engaged with a lower surface of the first protrusion in the locking position, and the locking tongue is disengaged from the first protrusion in the unlocking position.
In the above technical solution, preferably, a second protrusion extending in a transverse direction is provided on an inner side wall of the end cover, the second protrusion constitutes the extending portion, and in the locking position, the toggle member is in abutting contact with an upper surface of the second protrusion; in the unlocking position, the toggle piece is separated from the upper surface of the second protrusion.
In the above-described aspect, it is preferable that the inner wall of the end cover is provided with a plurality of engaging portions at least along a circumferential direction thereof, and the housing is provided with a plurality of engaging portions at least on an outer circumferential side of the opening, the engaging portions engaging with the plurality of engaging portions.
In the above technical solution, preferably, the engaging portion is a rib, and the engaging mating portion is a groove.
The invention sets a locking mechanism and a toggle mechanism, the locking mechanism is provided with an unlocking switch for a user to operate to unlock the locking mechanism, the toggle mechanism comprises a toggle piece movably arranged on a shell, the toggle piece is abutted against an end cover when the end cover is in a locking position, and the toggle piece is configured as follows: the unlocking mechanism comprises an unlocking switch, a locking mechanism, a rotating mechanism and a shell, wherein the unlocking switch is arranged on the shell, the locking mechanism is arranged on the shell, the unlocking switch is arranged on the shell, the unlocking mechanism is arranged on the shell, the unlocking switch is arranged on the shell, the unlocking mechanism is arranged on the shell, the.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention with the suction port and the roll brush chamber exposed upside down;
FIG. 3 is a perspective view of the end cap of the present invention rotated relative to the housing to an angle and open the opening after unlocking;
FIG. 4 is a perspective view of the end cap of the present invention removed from the housing;
FIG. 5 is an enlarged partial schematic view at A of FIG. 4;
FIG. 6 is a schematic perspective view of the end cap of the present invention removed from the housing with the roller brush;
FIG. 7 is an enlarged partial schematic view at B of FIG. 6;
FIG. 8 is a schematic perspective view of the upper cover of the housing portion of the present invention with the end cover removed from the housing to expose a portion of the locking mechanism and the toggle mechanism;
FIG. 9 is an enlarged partial schematic view at C of FIG. 8;
FIG. 10 is a schematic view in partial cross-section of the end cap of the present invention in a locked position;
FIG. 11 is a schematic view in partial cross-section of the end cap of the present invention in an unlocked position;
fig. 12 is a schematic structural view illustrating the locking portion of the end cover being engaged with the locking portion of the locking tongue when the unlocking switch shown in fig. 10 is located at the top of the slope of the locking tongue;
fig. 13 is a schematic structural view illustrating the unlocking switch shown in fig. 11 when the locking bolt is disengaged from the locking portion of the end cover when the unlocking switch is located at the slope bottom of the slope of the locking bolt;
wherein, 1, a shell; 11. a roller brush cavity; 111. a transverse axis line; 12. an opening; 13. a groove; 14. a suction port; 15. a suction channel; 16. a front wheel; 17. a rear wheel; 18. a roller brush motor;
2. rolling and brushing;
3. an end cap; 31. a first protrusion; 32. a second protrusion; 33. a rib is protruded; 34. a sleeve;
4. a locking mechanism; 41. a latch bolt; 411. a slope surface; 42. a first spring; 43. an unlock switch; 44. a third spring;
5. a toggle mechanism; 51. a toggle piece; 52. a second spring.
Detailed Description
For the purpose of illustrating the technical content, the constructional features, the achieved objects and the effects of the invention in detail, reference will be made to the following detailed description of the embodiments in conjunction with the accompanying drawings. The upper, lower, left, right, front and rear positional relationships described in this embodiment correspond to the positional relationships shown in fig. 1, respectively.
As shown in fig. 1, 2, 6 and 8, the surface cleaning head comprises a housing 1, a pair of front wheels 16 is arranged at the front part of the housing 1, a pair of rear wheels 17 is arranged at the rear part of the housing 1, the front wheels 16 are small wheels, and the rear wheels 17 are big wheels. The housing 1 is provided at a bottom thereof with a suction port 14, and is provided at an inside thereof with a suction passage 15, the suction passage 15 being communicated with the suction port 14. The invention is mainly used for a vacuum cleaner which can be a vertical cleaner, a horizontal cleaner or a hand-held cleaner, namely, the hand-held cleaner is communicated with a suction channel 15 by a connecting hard pipe, so that a suction port 14, the suction channel 15 and a dust collection host of the vacuum cleaner are sequentially communicated in an air flow manner, thereby realizing dust collection operation. A rolling brush cavity 11 is limited in the housing 1, the rolling brush 2 is installed in the rolling brush cavity 11, the rolling brush cavity 11 has a transverse axial lead 111, the rolling brush 2 can rotate around the transverse axial lead 111, a rolling brush motor 18 is installed on the housing 1, the rolling brush motor 18 is in transmission connection with the rolling brush 2 and is used for driving the rolling brush 2 to rotate, and part of the rolling brush 2 is exposed out of the suction port 14, so that when the surface cleaning head is used on the ground to be cleaned, the rolling brush 2 can pick up dust particles on the ground to be cleaned and suck the dust particles away by the suction channel 15. The left and right opposite side portions of the housing 1 are opened with an opening 12 on one of the side portions, and an end cap 3 is mounted at the opening 12, the end cap 3 being capable of closing the opening 12. Wherein the end cover 3 can be arranged in a detachable structure, so that when the end cover 3 is detached from the opening 12 of the shell 1, the rolling brush 2 can be conveniently detached from the opening 12 in the following process, and the maintenance and the overhaul of the rolling brush 2 are convenient. Of course, openings may be formed in both opposite sides of the housing, and end caps may be installed at both openings. This section is the prior knowledge in the prior art, and is intended to understand the present invention and will not be described in detail.
As shown in fig. 3, the end cap 3 is capable of rotating angularly about the transverse axis 111 with respect to the housing 1 and has a locked position in which the end cap 3 closes at the opening 12 and an unlocked position; in the unlocked position, the end cap 3 is open from the opening 12. Specifically, as shown in fig. 4 to 9, a plurality of ribs 33 are provided on the inner wall of the end cover 3 along the circumferential direction thereof, and a plurality of grooves 13 that engage with the plurality of ribs 33 are provided on the outer circumferential side of the opening 12 of the housing 1. Thus, the end cap 3 can be rotated about the transverse axis 111 by a predetermined angle and then fixed to the side of the housing 1 by the engagement between the rib 33 and the groove 13, thereby closing the opening 12. Of course, the inner wall of the end cap 3 may be a groove structure to form a plurality of engaging portions, and the housing 1 may be provided with a rib structure corresponding to the groove structure on the outer circumferential side of the opening 12 to form an engaging portion engaged with the plurality of engaging portions. In addition, in order to facilitate the quick assembly of the end cap 3, the end cap 3 is not limited to be provided with a plurality of engaging portions only along the circumferential direction thereof, but may be arranged along the entire inner contour thereof, and the housing 1 is not limited to be provided with a plurality of engaging portions only on the outer circumferential side of the opening 12, and may be arranged along the side outer contour of the housing 1.
The surface cleaning head comprises a locking mechanism 4 for locking the end cap 3 in a locked position and a toggle mechanism 5 for rotating the end cap 3 from the locked position to an unlocked position, in particular, as shown in connection with figures 6-10, 12, the locking mechanism 4 comprises a latch tongue 41, a first spring 42 and a latch. The locking tongue 41 is arranged on the housing 1 in a manner of being capable of moving in the transverse direction, and the first spring 42 is a spring, one end of which is connected with the locking tongue 41, and the other end of which is connected with the housing 1 and is tensioned between the housing 1 and the locking tongue 41. The locking part is arranged on the end cover 3 and can be matched with the lock tongue in a clamping way. As shown in fig. 4 and 5, a first protrusion 31 extending in the transverse direction is provided on the inner side wall of the end cover 3, and the first protrusion 31 forms a locking portion. In the locked position, the latch tongue 41 is engaged with the lower surface of the first protrusion 31, and as shown in fig. 11 and 13, in the unlocked position, the latch tongue 41 is disengaged from the first protrusion 31. Of course, the locking portion is not limited to the protruding structure provided on the end cover 3 and extending outward in the transverse direction, but may also be a groove structure, and the locking tongue 41 may be inserted and matched with the groove. The lock mechanism 4 has an unlock switch 43 operable by a user to unlock the lock mechanism, and the unlock switch 43 is provided on the housing 1.
The toggle mechanism 5 comprises a toggle member 51, a second spring 52 and an extension. The toggle member 51 is provided on the housing 1 so as to be movable up and down, and a second spring 52 is provided between the housing 1 and the toggle member 51, one end of the spring being connected to the toggle member 51, the other end thereof being connected to the housing 1, and the spring being stretched between the toggle member 51 and the housing 1. As shown in fig. 4 and 5, the extension portion is fixedly disposed on the inner side wall of the end cover 3 and extends in the transverse direction. The extending portion is located on the moving path of the toggle member 51. The inner side wall of the end cover 3 is provided with a second protrusion 32 extending in the transverse direction, and the second protrusion 32 constitutes an extension. In the lock position, the toggle member 51 is in close contact with the upper surface of the second projection 32, and the second spring 52 is in a compressed state. As shown in fig. 10 and 13, in the unlocking position, the second spring 52 applies a return elastic force to the toggle member 51, so that the toggle member 51 pushes the second protrusion 32 to move downward and disengage from the upper surface of the second protrusion 32, so that the end cap 3 rotates around the transverse axis 111, and finally the end cap 3 is opened from the opening 12. In other embodiments, the toggle member 51 is not limited to be disposed on the housing 1 in the up-and-down movement, but may be disposed on the housing 1 in the circumferential direction, that is, the housing 1 is provided with a sliding groove extending in the circumferential direction, and the toggle member 51 is slidably connected in the sliding groove in the circumferential direction. In this way, it is more convenient for the toggle member 51 to push the extension portion to move and drive the end cap 3 to rotate, and it is more convenient for the end cap 3 to be opened from the opening 12.
The unlocking switch 43 can drive the latch tongue 41 to retract inwards and disengage from the locking portion by an external force to release the toggle piece 51 or extend outwards and engage with the locking portion. Specifically, a third spring 44 is provided between the unlock switch 43 and the housing 1. The unlocking switch 43 is provided on the housing 1 so as to be movable up and down, and a third spring 44 is connected between the housing 1 and the unlocking switch 43, which is tensioned between the unlocking switch 43 and the housing 1. As shown in fig. 10-13, the latch 41 has a sloped surface 411, and the unlocking switch 43 is slidably engaged with the sloped surface 411. Referring to fig. 10 and 12, before the user presses the unlocking switch 43, the lower end of the unlocking switch 43 is located at the top of the slope 411 of the latch tongue 41, the latch tongue 41 is engaged with the locking portion of the end cover 3, and the toggle member 51 is in tight contact with the extending portion of the end cover 3, at this time, the end cover 3 is in the locking position; as shown in fig. 11 and 13, when the user presses the unlocking switch 43, the lower end portion of the unlocking switch 43 is located at the bottom of the slope 411 of the latch tongue 41, the latch tongue 41 is disengaged from the locking portion of the end cover 3, the toggle member 51 pushes the extension portion downward under the elastic force of the spring, and the end cover 3 is then rotated around the transverse axis 111 to change from the locking position to the unlocking position.
As shown in fig. 4 to 7, for convenience of removing the end cap 3 from the opening 12 of the housing 1 and dragging the end cap together with the roller brush 2, the roller brush 2 is designed to be coaxially and rotatably connected at one end to the inner side wall of the end cap 3. Specifically, a sleeve 34 is provided on an inner side wall surface of the end cap 3, and the corresponding portion of the roll brush 2 is rotatably supported on the sleeve 34.
In the scheme, a user can unlock and rotate the end cover and open the opening on the side of the shell at the same time by applying a small buckling pressure on the unlocking switch 43, so that the end cover can be opened by one key, the operation can be carried out by one hand, and the operation is more convenient.
In other embodiments, the locking mechanism is not limited to a bolt structure moving along the transverse direction to lock the end cover on the housing, a bolt structure stretching and contracting along the radial direction to clamp the end cover can be arranged, and a latch structure rotating along the circumferential direction can be arranged to form the locking mechanism, namely, a latch structure preventing the end cover from rotating along the circumferential direction is arranged at the rotating joint of the end cover and the housing. In addition, the unlocking switch can also be designed into a structure which is directly triggered in a linkage manner with the shifting piece, namely, when a user operates the unlocking switch, the locking of the locking mechanism can be simultaneously or firstly released, and the shifting piece is driven to act, so that one-key unlocking is realized, and the end cover is rotated to the unlocking position.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A surface cleaning head for a vacuum cleaner, comprising:
a rolling brush (2);
a housing (1) comprising a roller brush chamber (11) for accommodating the roller brush (2) and an opening (12), the roller brush (2) being removable from the roller brush chamber (11) through the opening (12);
an end cap (3) fitted at one end of the roller brush (2), the end cap (3) being attachable to the housing (1) to restrain the roller brush (2) within the roller brush cavity (11); the end cap (3) is configured to: is rotatably arranged on the shell (1) between a locking position and an unlocking position, and can be attached to the shell (1) or detached from the shell (1) through the rotation;
a locking mechanism (4) for locking the end cap (3) in the locking position, the locking mechanism (4) having an unlocking switch (43) operable by a user to unlock the locking mechanism (4), the unlocking switch (43) being provided on the housing (1);
the toggle mechanism (5) comprises a toggle piece (51) movably arranged on the shell (1), the toggle piece (51) is abutted with the end cover (3) when the end cover (3) is in a locking position, and the toggle piece (51) is configured to: when the unlocking switch (43) unlocks the locking mechanism (4), the unlocking switch (43) can trigger the activity so as to toggle the end cover (3) to rotate from the locking position to the unlocking position.
2. A surface cleaning head for a vacuum cleaner according to claim 1, wherein: the locking mechanism (4) comprises a lock tongue (41) which can move transversely and is arranged on the shell (1), a first spring (42) which is arranged between the shell (1) and the lock tongue (41), and a locking part which is arranged on the end cover (3) and is matched with the lock tongue (41) in a clamping manner, wherein a third spring (44) is arranged between the unlocking switch (43) and the shell (1).
3. A surface cleaning head for a vacuum cleaner according to claim 2, wherein: a first protrusion (31) extending along the transverse direction is arranged on the inner side wall of the end cover (3), and the first protrusion (31) forms the locking part; when the end cover (3) is in a locking position, the locking tongue (41) is clamped with the lower surface of the first protrusion (31); when the end cover (3) is in an unlocking position, the locking tongue (41) is separated from the first protrusion (31).
4. A surface cleaning head for a vacuum cleaner according to claim 1, wherein: a sleeve (34) is arranged on the inner side wall surface of the end cover (3), and the corresponding part of the rolling brush (2) is rotatably supported on the sleeve (34).
5. A surface cleaning head for a vacuum cleaner according to claim 1, wherein: the toggle mechanism comprises a second spring (52), the toggle piece (51) is movably supported on the shell (1) through the second spring (51), and the second spring (52) is in a compressed state when the end cover (3) is in a locking position; when the unlocking switch (43) releases the locking of the locking mechanism (4), the second spring (52) applies reset elastic force to the poking piece (51) to poke the end cover (3) to rotate from the locking position to the unlocking position.
6. A surface cleaning head for a vacuum cleaner according to claim 1, wherein: the toggle piece (51) can be arranged on the shell (1) in a way of moving up and down.
7. A surface cleaning head for a vacuum cleaner according to claim 6, wherein: the inner side wall of the end cover (3) is provided with an extension part extending along the transverse direction, and the extension part is positioned on the moving path of the poking part (51).
8. A surface cleaning head for a vacuum cleaner according to claim 7, wherein: a second protrusion (32) extending along the transverse direction is arranged on the inner side wall of the end cover (3), and the second protrusion (32) forms the extending part; when the end cover (3) is in a locking position, the toggle piece (51) is abutted against the upper surface of the second protrusion (32); when the end cover (3) is in the unlocking position, the toggle piece (51) is separated from the upper surface of the second protrusion (32).
9. A surface cleaning head for a vacuum cleaner according to claim 1, wherein: the inner side wall of the end cover (3) is at least provided with a plurality of clamping parts along the circumferential direction, and the shell (1) is at least provided with a plurality of clamping matching parts matched with the clamping parts in a clamping way at the outer circumferential side of the opening (12).
10. A surface cleaning head for a vacuum cleaner according to claim 9, wherein: the clamping part is a convex rib (33), and the clamping matching part is a groove (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910947797.9A CN112617662A (en) | 2019-10-08 | 2019-10-08 | Surface cleaning head for a vacuum cleaner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910947797.9A CN112617662A (en) | 2019-10-08 | 2019-10-08 | Surface cleaning head for a vacuum cleaner |
Publications (1)
Publication Number | Publication Date |
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CN112617662A true CN112617662A (en) | 2021-04-09 |
Family
ID=75283143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910947797.9A Pending CN112617662A (en) | 2019-10-08 | 2019-10-08 | Surface cleaning head for a vacuum cleaner |
Country Status (1)
Country | Link |
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CN (1) | CN112617662A (en) |
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2019
- 2019-10-08 CN CN201910947797.9A patent/CN112617662A/en active Pending
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