CN112709737A - Rod subassembly and have its cleaning device - Google Patents
Rod subassembly and have its cleaning device Download PDFInfo
- Publication number
- CN112709737A CN112709737A CN201911016152.XA CN201911016152A CN112709737A CN 112709737 A CN112709737 A CN 112709737A CN 201911016152 A CN201911016152 A CN 201911016152A CN 112709737 A CN112709737 A CN 112709737A
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- China
- Prior art keywords
- rod
- connecting part
- lever
- connecting portion
- distance
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 17
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/04—Clamping or clipping connections
- F16B7/0406—Clamping or clipping connections for rods or tubes being coaxial
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/04—Clamping or clipping connections
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
本发明公开了一种杆组件及具有其的清洁装置，杆组件包括可拆卸插接的第一杆及第二杆，第一杆的一端设有第一连接部，第二杆的一端设有第二连接部；第一连接部上设有向外延伸的卡接件，第二连接部上具有开孔，自所述开孔于第二杆轴向上的任一端向外径向延伸后形成解锁按钮，解锁按钮包括在插接方向上相对设置的用于受力的第一端及用于卡接卡接件的第二端第二端于第二杆上的投影位于开孔之内；第一连接部插入第二连接部，卡接件滑过第二端后与第二端抵接以使第一连接部与第二连接部锁定；第一端受力带动解锁按钮绕支点沿第一方向运动以使第二端与卡接件分离，第一连接部及第二连接部解除锁定。本发明的杆组件不易松脱且拆卸方便。
The invention discloses a rod assembly and a cleaning device having the same. The rod assembly includes a first rod and a second rod which are detachably inserted. One end of the first rod is provided with a first connecting part, and one end of the second rod is provided with a first connecting part. The second connecting part; the first connecting part is provided with a clip that extends outward, and the second connecting part has an opening, which extends radially outward from either end of the opening in the axial direction of the second rod. An unlocking button is formed, and the unlocking button includes a first end oppositely arranged in the insertion direction for receiving force and a second end for snapping the clip. The projection of the second end on the second rod is located within the opening The first connecting part is inserted into the second connecting part, and the latching piece slides over the second end and abuts against the second end to lock the first connecting part and the second connecting part; the first end is forced to drive the unlocking button around the fulcrum edge The first direction moves to separate the second end from the clip, and the first connecting portion and the second connecting portion are unlocked. The rod assembly of the present invention is not easy to loosen and is easy to disassemble.
Description
Technical Field
The invention relates to the field of cleaning devices, in particular to a rod assembly and a cleaning device with the same.
Background
At present, in order to facilitate the use of users, a plurality of cleaning devices are externally connected with a long rod, so that the tail part of the long rod is connected with a cleaning accessory, and the use range is enlarged; when two and above stock are connected, generally be the cooperation of cutting straightly, lean on the frictional force between two poles to prevent the two and break away from, this kind of connected mode takes off easily in the use of stock.
Disclosure of Invention
The invention aims to provide a rod assembly and a cleaning device with the same.
The invention provides a rod assembly, which comprises a first rod (1) and a second rod (2) which are detachably inserted, wherein one end of the first rod (1) is provided with a first connecting part (10), and one end of the second rod (2) is provided with a second connecting part (20); the first connecting portion (10) is provided with a clamping piece (11) extending outwards in the radial direction, the second connecting portion is provided with an opening, an unlocking button is formed after the opening extends outwards in the radial direction at any end in the axial direction of the second rod, the unlocking button (22) comprises a first end (221) used for bearing force and a second end (222) used for clamping the clamping piece, the first end (221) and the second end (222) are oppositely arranged in the plugging direction, and the projection of the second end (222) on the second rod is located in the opening; the first connecting part (10) is inserted into the second connecting part (20), and the clamping piece (11) slides over the second end and then abuts against the second end (222) to enable the first connecting part (10) and the second connecting part (20) to be locked; the inner end is provided with a fulcrum (12) extending outwards, the first end (221) is stressed to drive the unlocking button (22) to move around the fulcrum (12) along a first direction so as to enable the second end (222) to be separated from the clamping piece (11), and the first connecting portion (10) and the second connecting portion (20) are unlocked.
As an optional technical scheme, a guide inclined surface (13) is arranged on the first connecting part (10), and the guide inclined surface (13) extends along the plugging direction and gradually gets away from the central axis of the first rod (1) along the radial direction; the first connecting part (10) is inserted into the second connecting part (20), and the inner wall of the second connecting part (20) is attached to the guide inclined surface (13).
As an optional technical scheme, a convex rib (14) extending outwards is arranged on the outer surface of the first connecting portion (10), the first connecting portion (10) is inserted into the second connecting portion (20), and the end face of the second connecting portion (20) abuts against the convex rib (14).
As an optional technical solution, the first connecting portion (10) and the second connecting portion (20) are locked, a distance between an end surface of the first connecting portion (10) and the inner end is defined as a first distance (L1), a distance between the inner end and a second end of the unlocking button (22) is defined as a second distance (L2), and the first distance (L1) is greater than half of the second distance (L2).
As an alternative solution, a third distance (L3) is defined as the distance between the second end (221) of the unlocking button (22) and the end surface of the second connecting part (20), and the third distance (L3) is greater than half of the second distance (L2).
As an optional technical solution, the first connection portion (10) is locked with the second connection portion (20), and a distance between an end surface of the first connection portion (10) and an end surface of the second connection portion (20) is defined as a fourth distance (L4); the ratio of the fourth distance (L4) to the inner diameter dimension (d) of the second connection (20) is greater than 1.5.
As an optional technical scheme, the rod assembly further comprises a third rod (3) detachably inserted with the second rod (2), and one end of the third rod (3) is provided with the first connecting part (10'); one end of the first rod (1) is provided with the first connecting part (10), and the other opposite end is provided with the second connecting part (20'); the first connection (10) of the first lever (1) can be locked with the second connection (20) of the second lever (2), and the second connection (20 ') of the first lever (1) can be locked with the first connection (10') of the third lever (3).
As an optional technical scheme, the other end of the third rod is provided with a cleaning accessory.
As an optional technical solution, the clip member is a continuous protrusion.
In another aspect, the invention discloses a cleaning device comprising a main body and a rod assembly as described above, the rod assembly being connected to the main body.
Compared with the prior art, the rod assembly disclosed by the invention has the advantages that the first connecting part is arranged on the first rod, the second connecting part is arranged on the second rod, and the first connecting part and the second connecting part are locked, so that the first rod and the second rod can be spliced together to connect the rod assembly; meanwhile, the unlocking button is arranged, so that the first connecting part and the second connecting part can be unlocked when the unlocking button is stressed, and the rod assembly can be conveniently detached. The rod assembly disclosed by the invention can be conveniently inserted or detached, and the joint of the rod assembly is not easy to loosen, so that the use of a user is facilitated.
Drawings
FIG. 1 is a schematic structural view of a rod assembly in accordance with an embodiment of the present invention;
FIG. 2 is an enlarged schematic view within the dashed circle of FIG. 1;
FIG. 3 is an enlarged schematic view of a second end of the second rod of FIG. 1;
FIG. 4 is a schematic cross-sectional view along line AA within the dashed circle in FIG. 1;
FIG. 5 is a perspective view of the wand assembly of FIG. 1 fully assembled for use on a vacuum cleaner;
FIG. 6 is an enlarged schematic view within the dashed circle in FIG. 5;
FIG. 7 is a schematic cross-sectional view of FIG. 5 along line BB;
FIG. 8 is a schematic cross-sectional view taken along line BB within the dashed circle in FIG. 6;
FIG. 9 is a schematic partial cross-sectional view of a prior art rod assembly after assembly;
FIG. 10 is a schematic partial cross-sectional view of a lever assembly in another embodiment of the present invention after assembly.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
It will be understood that terms used herein such as "upper," "above," "lower," "below," and the like, refer to relative positions in space and are used for convenience in description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
As shown in fig. 1 to 8, an embodiment of the present invention discloses a rod assembly, which includes a first rod 1 and a second rod 2 that are detachably inserted, wherein a first connecting portion 10 is disposed at one end of the first rod 1, and a second connecting portion 20 is disposed at one end of the second rod 2. The first connecting portion 10 is provided with a clamping member 11 extending radially outward, the second connecting portion 20 is provided with an opening 21, an unlocking button 22 is formed after the opening 21 extends radially outward at any end (the inner end is taken as an example in the present embodiment) in the axial direction of the second rod 2, the inner end is farther away from the end surface of the second connecting portion relative to the other end of the opening, the unlocking button 22 comprises a first end 221 and a second end 222, the first end 221 and the second end 222 are oppositely arranged in the plugging direction and used for being stressed, the first end 221 and the second end 222 are respectively located on two sides of the inner end of the opening 21, and the projection of the second end 222 on the second rod is located in the opening. The first connecting portion 10 is inserted into the second connecting portion 20, and the clip 11 slides over the second end 222 and abuts against the second end 222 to lock the first connecting portion 10 and the second connecting portion 20. In the present embodiment, the projection of the second end 222 on the second rod 2 is located inside the opening 21. In this way, after the first rod 1 and the second rod 2 are locked, the matching length of the two rods can be effectively lengthened, specifically, as shown in fig. 9, in the prior art, the unlocking button 22 'and the clamping piece 11' are matched to lock the two rods, compared with the prior art, the length between the fulcrum 12 and the second end 222 of the unlocking button 22 (the length similar to L2) can be at least increased in the matching length of the two rods, and the matching strength and stability of the two rods can be effectively increased.
The inner end of the opening 21 is provided with a fulcrum 12 extending outward, the first end 221 is forced to drive the unlocking button 22 to move around the fulcrum 12 along a first direction so as to separate the second end 222 from the clamping piece 11, and the first connecting portion 10 and the second connecting portion 20 are unlocked.
The rod assembly disclosed by the invention has the advantages that the first connecting part 10 is arranged on the first rod 1, the second connecting part 20 is arranged on the second rod 2, and the first connecting part 10 is inserted into the second connecting part 20 and locked with the second connecting part 20, so that the first rod 1 and the second rod 2 can be inserted together to connect the rod assembly. In addition, the unlocking button 22 is arranged on the second connecting part, so that the first connecting part 10 and the second connecting part 20 can be unlocked when the unlocking button 22 is stressed, and the rod assembly can be conveniently detached. The rod assembly disclosed by the invention can be conveniently inserted and locked or unlocked and detached, and the joint of the rod assembly is not easy to loosen, so that the use of a user is facilitated.
In another embodiment, the second connection portion may be provided at one end of the first lever, and the first connection portion may be provided at one end of the second lever, so that the first lever and the second lever can be similarly locked by insertion.
Further, as shown in fig. 4, a guiding inclined surface 13 is provided on the first connecting portion 10, and the guiding inclined surface 13 extends along the plugging direction and gradually gets away from the central axis of the first rod 1 along the radial direction. The first connecting portion 10 is inserted into the second connecting portion 20, and the inner wall of the second connecting portion 20 is attached to the guiding inclined surface 13, that is, the first connecting portion 10 and the second connecting portion 20 are in a taper fit manner. In the present embodiment, the guide slope 13 is provided around a circumference of the first connection portion 10. Thus, after the first connecting portion 10 is inserted into the second connecting portion 20, the inner wall of the second connecting portion 20 is gradually expanded by the guiding inclined surface 13, and at this time, the inner wall of the second connecting portion 20 tightly wraps the first connecting portion 10, that is, the taper fit between the first connecting portion 10 and the second connecting portion 20 makes the connection between the two more tight and firm.
Preferably, as shown in fig. 5 to 8, the first connecting portion 10 is locked with the second connecting portion 20, a distance between an end surface of the first connecting portion 10 and an inner end of the opening 21 is defined as a first distance L1, a distance between the inner end and the first end 222 of the unlock button 22 is defined as a second distance L2, and the first distance L1 is greater than half of the second distance L2.
Further, a distance between the second end 222 of the unlock button 22 and the end surface of the second link 20 is defined as a third distance L3, and the third distance L3 is greater than half of the second distance L2. Set up first distance L1 and second distance L3 and all be greater than half of second distance L2, then make the both sides of unblock button respectively have the cooperation section of sufficient length, increased joint strength to the locking that makes first pole 1 and second pole 2 is connected more firmly and is difficult to deform.
Preferably, the first connecting portion 10 is locked with the second connecting portion 20, and a distance between an end surface of the first connecting portion 10 and an end surface of the second connecting portion 20 is defined as a fourth distance L4. The ratio of the fourth distance L4 to the inner diameter d of the second connection 20 is greater than 1.5. The fourth distance L4 also is the length of the overlapping part of the first rod 1 and the second rod 2 when being connected, and the ratio of the fourth distance L4 to the inner diameter d of the second connecting part 20 can be set to be larger than 1.5, so that the first rod 1 and the second rod 2 have a matching connecting section with enough length, and the strength of the connection between the first rod 1 and the second rod 2 is increased, and the connecting part is not easy to deform.
In the present embodiment, the first rod 1 and the second rod 2 are circular rods, but in other embodiments, the first rod 1 and the second rod 2 may also be cylindrical rods, and the like, without limitation.
In the case of a round rod, the rotation of the two rods in the assembled state needs to be considered, and in another embodiment, as shown in fig. 2, 3 and 8, the first end portion 10 and the second end portion 20 respectively have one of the protrusion 15 and the groove 23 which are matched with each other, and similarly, the protrusion 15 and the groove 23 have the matched guiding inclined surfaces for smooth assembly of the two. In the embodiment, the protrusion 15 is disposed on the first rod 1, the groove 23 is disposed on the second rod 2, and in the locked state, the protrusion 15 and the groove 23 cooperate to limit the radial movement of the first end portion 10 and the second end portion 20, i.e. the two rods do not rotate relatively.
As shown in fig. 5, in the embodiment of the present invention, the rod assembly further includes a third rod 3 detachably inserted with the second rod, and one end of the third rod 3 is provided with the second connecting portion 20'. The second connecting portion 20 is provided at one end of the second rod 2, and the first connecting portion 10' is provided at the opposite end. The first connection portion 10 of the first lever 1 is lockable with the second connection portion 20 of the second lever 2, and the first connection portion 10 'of the second lever 2 is lockable with the second connection portion 20' of the third lever 3. That is, the two ends of the second rod 2 can be connected to the first rod 1 and the third rod 2, respectively, so that the combination manner of the rod assemblies is more free. Similarly, the structures of both ends of the second and third rods may be completely the same as those of both ends of the first rod, so that the first rod 1 may be used as one standard member, and a plurality of standard members may be freely combined with each other according to a desired length.
In order to satisfy different requirements of tightness between rods, as shown in fig. 10, the present invention provides another optimized embodiment, which is different from the above embodiments in that the clamping member 11 "of the present embodiment is a continuous protrusion similar to a saw-tooth shape, and the second end 222" of the unlocking button 22 "is clamped with different protrusions of the clamping member 11" to achieve clamping requirements of different tightness.
The above-mentioned pole combination can be applied to the cleaning device such as the dust collector, in the locking state, one of the other end of the first pole 1 or the other end of the second pole 2 is connected with the cleaning accessory; in the unlocked state, one of the first lever 1 or the second lever 2 is connected to a cleaning attachment. For example, as shown in FIG. 5, in the locked state, the other end of the first wand 1 is connected to a hose, and the other end of the third wand 3 is connected to a cleaning accessory (e.g., a floor brush); in the unlocked state, the first end of the first lever 1 or the other end of the second lever 2 is connected to the cleaning attachment.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A rod assembly is characterized by comprising a first rod (1) and a second rod (2) which are detachably spliced, wherein one end of the first rod (1) is provided with a first connecting part (10), and one end of the second rod (2) is provided with a second connecting part (20); the first connecting portion (10) is provided with a clamping piece (11) extending outwards in the radial direction, the second connecting portion is provided with an opening, an unlocking button is formed after the opening extends outwards in the radial direction at any end of the second rod in the axial direction, the unlocking button (22) comprises a first end (221) which is used for stressing and is arranged oppositely in the plugging direction and a second end (222) which is used for clamping the clamping piece, and the projection of the second end (222) on the second rod is located in the opening; the first connecting part (10) is inserted into the second connecting part (20), and the clamping piece (11) slides over the second end and then abuts against the second end (222) to lock the first connecting part (10) and the second connecting part (20); and a fulcrum (12) extending outwards is arranged at either end, the first end (221) is stressed to drive the unlocking button (22) to move around the fulcrum (12) along a first direction so as to separate the second end (222) from the clamping piece (11), and the first connecting part (10) and the second connecting part (20) are unlocked.
2. A lever assembly according to claim 1, characterized in that the first connection portion (10) is provided with a guiding bevel (13), which guiding bevel (13) extends in the plugging direction and gradually moves away from the central axis of the first lever (1) in a radial direction; the first connecting part (10) is inserted into the second connecting part (20), and the inner wall of the second connecting part (20) is attached to the guide inclined surface (13).
3. A pole assembly according to claim 1, characterised in that the outer surface of the first connecting portion (10) is provided with an outwardly extending rib (14), the first connecting portion (10) being inserted into the second connecting portion (20), the end surface of the second connecting portion (20) abutting the rib (14).
4. The lever assembly according to claim 1, characterized in that the first connecting portion (10) is locked with the second connecting portion (20), defining a first distance (L1) between an end face of the first connecting portion (10) and an inner end of the bore, the inner end being further from an end face of the second connecting portion relative to the other end of the bore, defining a second distance (L2) between the inner end and a second end of the unlocking button (22), the first distance (L1) being greater than half the second distance (L2).
5. The lever assembly according to claim 4, characterized in that a distance between the second end (221) of the unlocking button (22) and the end face of the second connecting portion (20) is defined as a third distance (L3), the third distance (L3) being greater than half the second distance (L2).
6. The lever assembly according to claim 1, characterized in that said first connection portion (10) is locked with said second connection portion (20), defining a fourth distance (L4) between the end surface of said first connection portion (10) and the end surface of said second connection portion (20); the ratio of the fourth distance (L4) to the inner diameter dimension (d) of the second connection (20) is greater than 1.5.
7. The lever assembly according to claim 1, characterized in that it further comprises a third lever (3) removably insertable into said second lever (2), one end of said third lever (3) being provided with said first connection portion (10'); one end of the first rod (1) is provided with the first connecting part (10), and the other opposite end is provided with the second connecting part (20'); the first connection (10) of the first lever (1) can be locked with the second connection (20) of the second lever (2), and the second connection (20 ') of the first lever (1) can be locked with the first connection (10') of the third lever (3).
8. A wand assembly according to claim 7, wherein the other end of the third wand is provided with a cleaning accessory.
9. The lever assembly of claim 1, wherein said snap-fit member is a continuous projection.
10. A cleaning device comprising a main body and a wand assembly as claimed in any one of claims 1 to 9, the wand assembly being connected to the main body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911016152.XA CN112709737A (en) | 2019-10-24 | 2019-10-24 | Rod subassembly and have its cleaning device |
| PCT/CN2020/109819 WO2021077876A1 (en) | 2019-10-24 | 2020-08-18 | Rod assembly and cleaning apparatus having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911016152.XA CN112709737A (en) | 2019-10-24 | 2019-10-24 | Rod subassembly and have its cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112709737A true CN112709737A (en) | 2021-04-27 |
Family
ID=75541280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911016152.XA Pending CN112709737A (en) | 2019-10-24 | 2019-10-24 | Rod subassembly and have its cleaning device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112709737A (en) |
| WO (1) | WO2021077876A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1511497A (en) * | 2002-12-27 | 2004-07-14 | ������������ʽ���� | Locking device for enlengthening tube of vacuum cleaner |
| US20050196231A1 (en) * | 2004-03-03 | 2005-09-08 | Mckay Frederick D. | Quick-locking connector |
| CN200940621Y (en) * | 2006-08-04 | 2007-08-29 | 卢伟明 | Telescopic rod |
| CN101886649A (en) * | 2009-05-11 | 2010-11-17 | 蔡裕隆 | telescopic rod |
| CN203374589U (en) * | 2013-08-02 | 2014-01-01 | 太原市金田水电设备有限公司 | Locking mechanism for tripod carbon fiber support |
| CN204458699U (en) * | 2015-01-20 | 2015-07-08 | 河南工业职业技术学院 | A kind of sports equipment Height Adjustment elastic positioning device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206890Y (en) * | 1992-10-19 | 1995-09-06 | 鲁永春 | Water feeding joint for civil |
| DE10120688A1 (en) * | 2001-04-27 | 2002-11-07 | Bsh Bosch Siemens Hausgeraete | Pipe connection for a suction pipe of a vacuum cleaner |
| CN200993141Y (en) * | 2006-12-04 | 2007-12-19 | 胡文初 | Telescopic pipe with safety button buckle |
-
2019
- 2019-10-24 CN CN201911016152.XA patent/CN112709737A/en active Pending
-
2020
- 2020-08-18 WO PCT/CN2020/109819 patent/WO2021077876A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1511497A (en) * | 2002-12-27 | 2004-07-14 | ������������ʽ���� | Locking device for enlengthening tube of vacuum cleaner |
| US20050196231A1 (en) * | 2004-03-03 | 2005-09-08 | Mckay Frederick D. | Quick-locking connector |
| CN200940621Y (en) * | 2006-08-04 | 2007-08-29 | 卢伟明 | Telescopic rod |
| CN101886649A (en) * | 2009-05-11 | 2010-11-17 | 蔡裕隆 | telescopic rod |
| CN203374589U (en) * | 2013-08-02 | 2014-01-01 | 太原市金田水电设备有限公司 | Locking mechanism for tripod carbon fiber support |
| CN204458699U (en) * | 2015-01-20 | 2015-07-08 | 河南工业职业技术学院 | A kind of sports equipment Height Adjustment elastic positioning device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021077876A1 (en) | 2021-04-29 |
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Application publication date: 20210427 |