CN211924662U - Magnetic connecting structure and cleaning tool with same - Google Patents
Magnetic connecting structure and cleaning tool with same Download PDFInfo
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- CN211924662U CN211924662U CN202020357855.0U CN202020357855U CN211924662U CN 211924662 U CN211924662 U CN 211924662U CN 202020357855 U CN202020357855 U CN 202020357855U CN 211924662 U CN211924662 U CN 211924662U
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Abstract
The utility model provides a magnetism connection structure and burnisher who has this magnetism connection structure, its magnetism connection structure is including locating the first connecting piece on the first body of rod, and locate the second connecting piece on the second body of rod, one of first connecting piece and second connecting piece is magnetic element, another is magnetic element or magnetic conductivity component, it makes the first body of rod and second body of rod together fixed to inhale mutually through magnetism between first connecting piece and the second connecting piece, still be equipped with location structure between first connecting piece and the second connecting piece or between the first body of rod and the second body of rod. The cleaning tool comprises an operating rod and a cleaning head, wherein the operating rod consists of at least one rod piece, and the cleaning head is detachably connected with the operating rod or/and two adjacent rod pieces of the operating rod through a magnetic connecting structure. The beneficial effects of the utility model reside in that: the two rod bodies are connected in a magnetic attraction mode, so that the installation and the disassembly are very quick and convenient, and the time and the labor are saved.
Description
Technical Field
The utility model relates to a burnisher technical field especially relates to a magnetism connection structure and have this magnetism connection structure's burnisher.
Background
In the prior art, the rod and the rod are mostly connected by using a thread structure or an elastic clamping structure, for example, the connection between the adjacent rod bodies of the operating rod of the cleaning tool and the connection between the lower end of the operating rod of the cleaning tool and the cleaning head are both adopted, but the installation and the disassembly of the connection methods are more laborious and time-consuming.
Disclosure of Invention
An object of the utility model is to provide a magnetism connection structure and have this magnetism connection structure's burnisher, it can solve the technical problem who mentions in the background art.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
the utility model provides a magnetism connection structure, is including locating first connecting piece on the first body of rod and locating the second connecting piece on the second body of rod, one connecting piece in first connecting piece and the second connecting piece is magnetic element, and another connecting piece is magnetic element or magnetic conductivity component, through magnetism looks attraction between first connecting piece and the second connecting piece makes first body of rod and second body of rod are together fixed, between first connecting piece and the second connecting piece or still be equipped with between the first body of rod and the second body of rod and be in carry out the location structure of fixing a position when the first body of rod is fixed with the second body of rod.
Preferably, the positioning structure includes an accommodating cavity which is arranged on one rod body of the first rod body or the second rod body and into which the other rod body can be inserted.
Preferably, the positioning structure comprises a positioning convex part and a positioning hole part matched with the positioning convex part, one of the first connecting piece and the second connecting piece is provided with the positioning convex part, and the other one is provided with the positioning hole part.
Preferably, the first connecting piece and the second connecting piece are respectively connected with the first rod body and the second rod body through a convex point and hole matching structure or a threaded structure or a riveted structure.
Preferably, the first connector and/or the second connector include a fixing member and a magnetic body provided in the fixing member.
The utility model also provides a cleaning tool, including action bars and the cleaning head that links to each other with this action bars, the action bars comprises an at least member, between cleaning head and the action bars or/and can dismantle the connection through magnetism connection structure between the two adjacent sections members of action bars.
Preferably, the magnetic connecting structure comprises a first connecting piece arranged on the first rod body and a second connecting piece arranged on the second rod body, one of the first connecting piece and the second connecting piece is a magnetic element, the other one of the first connecting piece and the second connecting piece is a magnetic element or a magnetic conductivity element, the first rod body and the second rod body are fixed together through magnetic attraction between the first connecting piece and the second connecting piece, and a positioning structure for positioning when the first rod body and the second rod body are fixed is further arranged between the first connecting piece and the second connecting piece or between the first rod body and the second rod body;
when the magnetic connecting structure is used for connecting the cleaning head with the operating rod, one of the cleaning head and the operating rod is provided with the first rod body, and the other is provided with the second rod body;
when the magnetic connecting structure is used for connecting two adjacent rod pieces of the operating rod, one rod piece of the two adjacent rod pieces is provided with the first rod body, and the other rod piece is provided with the second rod body.
Preferably, the positioning structure includes an accommodating cavity which is arranged on one rod body of the first rod body or the second rod body and into which the other rod body can be inserted. Or the positioning structure comprises a positioning convex part and a positioning hole part matched with the positioning convex part, one of the first connecting piece and the second connecting piece is provided with the positioning convex part, and the other one is provided with the positioning hole part.
Preferably, the first connecting piece and the second connecting piece are respectively connected with the first rod body and the second rod body through a convex point and hole matching structure or a threaded structure or a riveted structure.
Preferably, the first connector and/or the second connector include a fixing member and a magnetic body provided in the fixing member.
Compared with the prior art, the beneficial effects of the utility model reside in that: the two rod bodies are connected in a magnetic attraction mode, the operation rod of the cleaning tool and the cleaning head or/and the adjacent two rod pieces of the operation rod can be detachably connected only by butting the two rod bodies, and the cleaning tool is very fast and convenient to install and disassemble, time and labor are saved.
Drawings
Fig. 1 is a schematic connection state diagram of a first magnetic connection structure according to the present invention.
Fig. 2 is a schematic diagram of a first magnetic connection structure according to the present invention in an unconnected state.
Fig. 3 is a schematic view of the second connector of fig. 2.
Fig. 4 is a schematic connection state diagram of a second magnetic connection structure according to the present invention.
Fig. 5 is a schematic diagram of a disconnected state of the second magnetic connection structure according to the present invention.
Fig. 6 is a schematic view of the first connector of fig. 5.
Fig. 7 is a schematic view of the second connector of fig. 5.
Fig. 8 is a schematic view of the connection state of the cleaning tool of the present invention.
Fig. 9 is a schematic view of the cleaning tool of the present invention in an unconnected state.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-7, the utility model provides a magnetism connection structure, including locating the first connecting piece on the first body of rod 1 and locating the second connecting piece on the second body of rod 2, one connecting piece in first connecting piece and the second connecting piece is magnetic element, and another connecting piece is magnetic element or magnetic conductivity component, through magnetism between first connecting piece and the second connecting piece attracts mutually makes the first body of rod 1 is together fixed with the second body of rod 2, and installation and dismantlement are very convenient and fast. When the first connecting piece or/and the second connecting piece is/are magnetic elements, the first connecting piece or/and the second connecting piece respectively comprise a fixing piece 3 and a magnetic body 4 arranged in the fixing piece, and the magnetic body 4 can be positioned at one end of the fixing piece 3 or can extend from the head to the tail of the fixing piece 3; when the first connecting piece or the second connecting piece is a magnetic conductive element, the first connecting piece or the second connecting piece is a metal piece with good magnetic conductivity. A positioning structure for positioning when the first rod body 1 and the second rod body 2 are fixed is further arranged between the first connecting piece and the second connecting piece or between the first rod body 1 and the second rod body 2, and when the first rod body 1 and the second rod body 2 are fixedly butted, the positioning structure is used for positioning to prevent the first rod body 1 from rotating relative to the second rod body 2.
Preferably, the first mode of the positioning structure is: the positioning structure comprises an accommodating cavity 5 which is arranged on one rod body of the first rod body 1 or the second rod body 2 and can be used for inserting the other rod body. As shown in fig. 1, 2 and 3, in this embodiment, the first connecting member is disposed in the tail portion of the first rod 1, the head portion of the second rod 2 has a receiving cavity 5 therein, and the second connecting member is disposed in the head portion of the second rod 2 and located inside the receiving cavity 5. When using, directly insert the afterbody of the first body of rod 1 in the chamber 5 that holds of the head of the second body of rod 2, the internal diameter that holds the chamber and the afterbody external diameter looks adaptation of the first body of rod 1, realize the location between the first body of rod 1 and the second body of rod 2, thereby it makes the first body of rod 1 fixed with the second body of rod 2 mutually to attract mutually with the help of the magnetism of first connecting piece and second connecting piece, during the dismantlement, directly extract the first body of rod 1 from the chamber that holds of the second body of rod 2, the installation is with dismantling very convenient and fast, also very labour saving and time saving.
The second way of positioning the structure is: the positioning structure comprises a positioning convex part 6 and a positioning hole part 7 matched with the positioning convex part, one of the first connecting piece and the second connecting piece is provided with the positioning convex part 6, and the other one is provided with the positioning hole part 7. The positioning convex portion 6 may be columnar or block-shaped, and the positioning hole portion 7 may be a through hole or a blind hole, and the shape thereof is adapted to the shape of the positioning convex portion. As shown in fig. 4-7, in the present embodiment, the first connecting member is provided with a positioning hole portion 7, the end portion of the second connecting member is provided with a positioning protrusion 6, the first connecting member is disposed in the tail portion of the first rod 1, and the second connecting member is disposed in the head portion of the second rod 2. When the connecting rod is used, when the tail of the first rod body 1 is in butt joint with the head of the second rod body 2, the positioning convex part 6 on the second connecting piece is inserted into the positioning hole part 7 of the first connecting piece, so that the positioning between the first rod body 1 and the second rod body 2 is realized, then the first rod body 1 and the second rod body 2 are fixed by means of the attraction of the magnetism of the first connecting piece and the second connecting piece, when the connecting rod is disassembled, the positioning convex part 6 of the second connecting piece is directly extracted from the positioning hole part 7 of the first connecting piece, so that the first rod body 1 is separated from the second rod body 2, the mounting and the disassembling are very convenient and fast, and the time and the labor are also very saved.
Preferably, the first connection mode of the connecting piece and the rod body is as follows: the outer wall of the first connecting piece is provided with at least one salient point 8, and the inner wall of the first rod body is provided with a hole 9 opposite to the salient point; or, the outer wall of the first connecting piece is provided with at least one hole 9, the inner wall of the first rod body is provided with a salient point 8 opposite to the hole, and the salient point 8 and the hole 9 are matched to fix the first connecting piece on the first rod body 1. The outer wall of the second connecting piece is provided with at least one salient point 8, and the inner wall of the second rod body 2 is provided with a hole 9 opposite to the salient point; or the outer wall of the second connecting piece is provided with at least one hole 9, the inner wall of the second rod body is provided with a salient point 8 opposite to the hole, and the second connecting piece is fixed on the second rod body 2 through a structure that the salient point 8 is matched with the hole 9. The second connecting mode of the connecting piece and the rod body is as follows: the outer wall of the first connecting piece is provided with an external thread, the inner wall of the first rod body 1 is provided with an internal thread, and the first connecting piece is fixed on the first rod body 1 through the matching of the internal thread and the external thread. The outer wall of the second connecting piece is provided with an external thread, the inner wall of the second rod body 2 is provided with an internal thread, and the second connecting piece is fixed on the second rod body 2 through the matching of the internal thread and the external thread. The third connecting mode of the connecting piece and the rod body is as follows: the first connecting piece is directly riveted on the first rod body 1 through a riveting structure, and the second connecting piece is directly riveted on the second rod body 2 through a riveting structure.
As shown in fig. 8 and 9, the present invention further provides a cleaning tool, which includes an operation rod 10 and a cleaning head 11 connected to the operation rod, the operation rod 10 is composed of at least one rod, and the connection between the cleaning head and the operation rod or/and the connection between two adjacent rods of the operation rod can be disassembled through a magnetic connection structure, that is, the connection between only the cleaning head 11 and the operation rod 10 can be disassembled through the magnetic connection structure, or the connection between only two adjacent rods of the operation rod 10 can be disassembled through the magnetic connection structure, or the connection between the cleaning head 11 and the operation rod 10 and between two adjacent rods of the operation rod 10 can be disassembled through the magnetic connection structure. When the cleaning device is used, the cleaning head 11 and the operating rod 10 are detachably connected or two adjacent rod pieces of the operating rod 10 are detachably connected in a magnetic attraction mode, so that the cleaning device is very quick and convenient to install and detach, and time and labor are saved.
Preferably, the magnetic connecting structure comprises a first connecting piece arranged on the first rod body 1 and a second connecting piece arranged on the second rod body 2, one of the first connecting piece and the second connecting piece is a magnetic element, the other connecting piece is a magnetic element or a magnetic conductivity element, and the first rod body 1 and the second rod body 2 are fixed together through the magnetic attraction between the first connecting piece and the second connecting piece, so that the installation and the disassembly are very convenient and fast. When the first connecting piece or/and the second connecting piece is/are magnetic elements, the first connecting piece or/and the second connecting piece respectively comprise a fixing piece 3 and a magnetic body 4 arranged in the fixing piece, and the magnetic body 4 can be positioned at one end of the fixing piece 3 or can extend from the head to the tail of the fixing piece 3; when the first connecting piece or the second connecting piece is a magnetic conductive element, the first connecting piece or the second connecting piece is preferably a metal piece with good magnetic conductivity. A positioning structure for positioning when the first rod body 1 and the second rod body 2 are fixed is further arranged between the first connecting piece and the second connecting piece or between the first rod body 1 and the second rod body 2, and when the first rod body 1 and the second rod body 2 are fixedly butted, the positioning structure is used for positioning to prevent the first rod body 1 from rotating relative to the second rod body 2.
When the magnetic connecting structure is used for connecting the cleaning head 11 and the operating rod 10, one of the cleaning head and the operating rod is provided with the first rod body 1, and the other is provided with the second rod body 2; when the magnetic connecting structure is used to connect two adjacent rod pieces of the operating rod 11, one of the two adjacent rod pieces has the first rod body 1, and the other rod piece has the second rod body 2.
The first way of positioning the structure is: the positioning structure comprises an accommodating cavity 5 which is arranged on one rod body of the first rod body 1 or the second rod body 2 and can be used for inserting the other rod body. In this embodiment, when the cleaning head 11 is connected to the operating rod 10, the cleaning head 11 is provided with the second rod body 2, the operating rod 10 directly forms the first rod body 1, the first connecting member is arranged at the tail of the first rod body 1, the head of the second rod body 2 is provided with the accommodating cavity 5, the second connecting member is arranged at the head of the second rod body 2 and is located at the inner side of the accommodating cavity 5, the tail of the first rod body 1 is directly inserted into the accommodating cavity 5 at the head of the second rod body 2, the inner diameter of the accommodating cavity is matched with the outer diameter of the tail of the first rod body, so as to realize the positioning between the first rod body 1 and the second rod body 2, and then the first rod body and the second rod body are fixed by the magnetic attraction of the first connecting member and the second connecting member, so as to realize the fixed connection of the cleaning head 11 and the operating rod 10; when the cleaning rod is detached, the first rod body 1 is directly pulled out from the accommodating cavity 5 of the second rod body 2, so that the cleaning head 11 and the operating rod 10 can be separated, and the cleaning rod is very convenient and fast to mount and detach and also very time-saving and labor-saving. When two adjacent sections of the operating rod 11 are connected, the previous section of the rod body directly forms a first rod body 1, the next section of the rod body forms a second rod body 2, a first connecting piece is arranged in the tail part of the first rod body 1, a containing cavity 5 is arranged in the head part of the second rod body 2, a second connecting piece is arranged in the head part of the second rod body 2 and is positioned at the inner side of the containing cavity 5, the tail part of the first rod body 1 is directly inserted into the containing cavity 5 in the head part of the second rod body 2, the inner diameter of the containing cavity is matched with the outer diameter of the tail part of the first rod body, so that the first rod body 1 and the second rod body 2 are positioned, and then the first rod body 1 and the second rod body 2 are fixed by means of magnetic attraction of the first connecting piece and the second connecting piece, so that the two adjacent sections of the operating rod 10 are fixedly connected; during the dismantlement, directly extract first body of rod 1 from the chamber that holds of the second body of rod 2 to realize the separation of the two sections adjacent bodies of rod of action bars 11, the installation with dismantle very convenient and fast, also very labour saving and time saving.
The second way of positioning the structure is: the positioning structure comprises a positioning convex part 6 and a positioning hole part 7 matched with the positioning convex part, one of the first connecting piece and the second connecting piece is provided with the positioning convex part 6, and the other one is provided with the positioning hole part 7. The positioning convex portion 6 may be columnar or block-shaped, and the positioning hole portion 7 may be a through hole or a blind hole, and the shape thereof is adapted to the shape of the positioning convex portion. When the cleaning head 10 is connected with the operating rod 11, the cleaning head 11 is provided with the second rod body 2, the operating rod 10 directly forms the first rod body 1, the first connecting piece is provided with the positioning hole part 7, the end part of the second connecting piece is convexly provided with the positioning convex part 6, the first connecting piece is arranged in the tail part of the first rod body 1, and the second connecting piece is arranged in the head part of the second rod body 1. When the cleaning rod is used, when the tail of the first rod body 1 is butted with the head of the second rod body 2, the positioning convex part 6 on the second connecting piece is inserted into the positioning hole part 7 of the first connecting piece to realize the positioning between the first rod body 1 and the second rod body 2, and then the first rod body 1 and the second rod body 2 are fixed by the magnetic attraction of the first connecting piece and the second connecting piece, so that the cleaning head 11 is fixedly connected with the operating rod 10; during the dismantlement, directly extract the location convex part 6 of second connecting piece from the locating hole portion 7 of first connecting piece to realize the separation of the first body of rod 1 and the second body of rod 2, can realize the separation of cleaning head 11 and action bars 10, the installation with dismantle very convenient and fast, also very labour saving and time saving. When two adjacent sections of the operating rod 10 are connected, the previous section of the rod body directly forms a first rod body 1, the next section of the rod body forms a second rod body 2, the first connecting piece is provided with a positioning hole part 7, the end part of the second connecting piece is convexly provided with a positioning convex part 6, the first connecting piece is arranged in the tail part of the first rod body 1, and the second connecting piece is arranged in the head part of the second rod body 2. When the device is used, when the tail of the first rod body 1 is butted with the head of the second rod body 2, the positioning convex part 6 on the second connecting piece is inserted into the positioning hole part 7 of the first connecting piece to realize the positioning between the first rod body 1 and the second rod body 2, and then the first rod body 1 and the second rod body 2 are fixed by means of the magnetic attraction of the first connecting piece and the second connecting piece, so that the two adjacent sections of the operating rod 10 are fixedly connected; during the dismantlement, directly extract the location convex part 6 of second connecting piece from the locating hole portion 7 of first connecting piece to realize the separation of the first body of rod 1 and the second body of rod 2, can realize the separation of the two adjacent sections bodies of rod of action bars 10, the installation with dismantle very convenient and fast, also very labour saving and time saving.
Preferably, the first connection mode of the connecting piece and the rod body is as follows: the outer wall of the first connecting piece is provided with at least one salient point 8, and the inner wall of the first rod body is provided with a hole 9 opposite to the salient point; or, the outer wall of the first connecting piece is provided with at least one hole 9, the inner wall of the first rod body is provided with a salient point 8 opposite to the hole, and the salient point 8 and the hole 9 are matched to fix the first connecting piece on the first rod body 1. The outer wall of the second connecting piece is provided with at least one salient point 8, and the inner wall of the second rod body 2 is provided with a hole 9 opposite to the salient point; or the outer wall of the second connecting piece is provided with at least one hole 9, the inner wall of the second rod body is provided with a salient point 8 opposite to the hole, and the second connecting piece is fixed on the second rod body 2 through a structure that the salient point 8 is matched with the hole 9. The second connecting mode of the connecting piece and the rod body is as follows: the outer wall of the first connecting piece is provided with an external thread, the inner wall of the first rod body 1 is provided with an internal thread, and the first connecting piece is fixed on the first rod body 1 through the matching of the internal thread and the external thread. The outer wall of the second connecting piece is provided with an external thread, the inner wall of the second rod body 2 is provided with an internal thread, and the second connecting piece is fixed on the second rod body 2 through the matching of the internal thread and the external thread. The third connecting mode of the connecting piece and the rod body is as follows: the first connecting piece is directly riveted on the first rod body 1 through a riveting structure, and the second connecting piece is directly riveted on the second rod body 2 through a riveting structure.
The utility model discloses a magnetism connection structure not only limits in cleaning tool on, can also be arranged in the connection of two components in other structures.
While the embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and embodiments, but is capable of being applied in all kinds of fields adapted to the invention, and further modifications may readily be made by those skilled in the art, and the invention is therefore not limited to the details shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (11)
1. A magnetic connecting structure characterized in that: including locating first connecting piece on the first body of rod and locating the second connecting piece on the second body of rod, one connecting piece in first connecting piece and the second connecting piece is magnetic element, and another connecting piece is magnetic element or magnetic conductivity component, through magnetism looks attraction between first connecting piece and the second connecting piece makes first body of rod and second body of rod are together fixed, between first connecting piece and the second connecting piece or still be equipped with between the first body of rod and the second body of rod and be in carry out the location structure of fixing a position when the first body of rod is fixed with the second body of rod.
2. The magnetic connection structure according to claim 1, wherein: the positioning structure comprises an accommodating cavity which is arranged on one rod body of the first rod body or the second rod body and into which the other rod body can be inserted.
3. The magnetic connection structure according to claim 1, wherein: the positioning structure comprises a positioning convex part and a positioning hole part matched with the positioning convex part, one of the first connecting piece and the second connecting piece is provided with the positioning convex part, and the other one is provided with the positioning hole part.
4. The magnetic connection structure according to any one of claims 1 to 3, wherein: the first connecting piece and the second connecting piece are respectively connected with the first rod body and the second rod body through a convex point and hole matching structure or a threaded structure or a riveting structure.
5. The magnetic connection structure according to any one of claims 1 to 3, wherein: the first connecting piece or/and the second connecting piece comprises a fixing piece and a magnetic body arranged in the fixing piece.
6. A cleaning implement comprising an operating rod and a cleaning head connected to the operating rod, the operating rod comprising at least one link member, wherein: the cleaning head is detachably connected with the operating rod or/and two adjacent rod pieces of the operating rod through a magnetic connecting structure.
7. The cleaning implement of claim 6, wherein: the magnetic connecting structure comprises a first connecting piece arranged on the first rod body and a second connecting piece arranged on the second rod body, one of the first connecting piece and the second connecting piece is a magnetic element, the other connecting piece is a magnetic element or a magnetic conductivity element, the first rod body and the second rod body are fixed together through magnetic attraction between the first connecting piece and the second connecting piece, and a positioning structure for positioning when the first rod body and the second rod body are fixed is further arranged between the first connecting piece and the second connecting piece or between the first rod body and the second rod body;
when the magnetic connecting structure is used for connecting the cleaning head with the operating rod, one of the cleaning head and the operating rod is provided with the first rod body, and the other is provided with the second rod body;
when the magnetic connecting structure is used for connecting two adjacent rod pieces of the operating rod, one rod piece of the two adjacent rod pieces is provided with the first rod body, and the other rod piece is provided with the second rod body.
8. The cleaning implement of claim 7, wherein: the positioning structure comprises an accommodating cavity which is arranged on one rod body of the first rod body or the second rod body and into which the other rod body can be inserted.
9. The cleaning implement of claim 7, wherein: the positioning structure comprises a positioning convex part and a positioning hole part matched with the positioning convex part, one of the first connecting piece and the second connecting piece is provided with the positioning convex part, and the other one is provided with the positioning hole part.
10. The cleaning implement according to any one of claims 6-9, wherein: the first connecting piece and the second connecting piece are respectively connected with the first rod body and the second rod body through a convex point and hole matching structure or a threaded structure or a riveting structure.
11. The cleaning implement according to any one of claims 6-9, wherein: the first connecting piece or/and the second connecting piece comprises a fixing piece and a magnetic body arranged in the fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020357855.0U CN211924662U (en) | 2020-03-20 | 2020-03-20 | Magnetic connecting structure and cleaning tool with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020357855.0U CN211924662U (en) | 2020-03-20 | 2020-03-20 | Magnetic connecting structure and cleaning tool with same |
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| Publication Number | Publication Date |
|---|---|
| CN211924662U true CN211924662U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020357855.0U Active CN211924662U (en) | 2020-03-20 | 2020-03-20 | Magnetic connecting structure and cleaning tool with same |
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| CN (1) | CN211924662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215831A (en) * | 2021-12-14 | 2022-03-22 | 中国水利水电第五工程局有限公司 | Municipal works topography survey and drawing sighting rod |
-
2020
- 2020-03-20 CN CN202020357855.0U patent/CN211924662U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215831A (en) * | 2021-12-14 | 2022-03-22 | 中国水利水电第五工程局有限公司 | Municipal works topography survey and drawing sighting rod |
| CN114215831B (en) * | 2021-12-14 | 2024-02-20 | 中国水利水电第五工程局有限公司 | Municipal works topography survey and drawing is with survey and drawing mark post |
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