CN220652458U - Magnetic attraction connecting device - Google Patents
Magnetic attraction connecting device Download PDFInfo
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- CN220652458U CN220652458U CN202322294071.4U CN202322294071U CN220652458U CN 220652458 U CN220652458 U CN 220652458U CN 202322294071 U CN202322294071 U CN 202322294071U CN 220652458 U CN220652458 U CN 220652458U
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- 239000012212 insulator Substances 0.000 claims abstract description 60
- 230000008878 coupling Effects 0.000 claims 8
- 238000010168 coupling process Methods 0.000 claims 8
- 238000005859 coupling reaction Methods 0.000 claims 8
- 230000000694 effects Effects 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Abstract
A magnetic connection device comprises a first connector and a second connector. The first connector comprises a first insulator, a plurality of first terminals and at least one first magnet, wherein the first insulator is provided with an inner base body and a first front shell, a first slot is formed between the first front shell and the inner base body, and the plurality of first terminals respectively extend into the inner base body and the first slot. The second connector comprises a second insulator, a plurality of second terminals and at least one second magnet, wherein the second insulator is provided with a plurality of inner columns and a second front shell, and the plurality of second terminals respectively extend into the plurality of inner columns and the second front shell. When the first connector and the second connector are matched with each other, the second front shell can be inserted into the first slot, the plurality of inner posts can be inserted into the inner base, the plurality of first terminals are respectively contacted with the plurality of second terminals to achieve electric connection, and the first magnet and the second magnet can be mutually and magnetically attracted and fixed. Therefore, the first connector and the second connector can be firmly combined, and good electrical and mechanical connection is achieved.
Description
Technical Field
The present utility model relates to a magnetic connection device, and more particularly, to a magnetic connection device capable of electrically connecting two connectors and magnetically fixing the two connectors to each other.
Background
The existing magnetic connection device comprises two connectors. The two connectors are respectively in the types of a plug and a socket, when the two connectors are mutually inserted, the electric connection can be achieved, and the two connectors are respectively provided with magnets, so that the two connectors can be mutually and magnetically attracted and fixed by the magnets, and the two connectors are firmly connected. However, in the existing magnetic connection device, when the two connectors are mutually plugged, the two connectors cannot be firmly connected, and the electrical connection and the mechanical connection between the two connectors are unstable, so that the signal transmission effect is reduced.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a magnetic connection device which aims at overcoming the defects of the prior art and can ensure that a first connector and a second connector are firmly combined to achieve good electrical and mechanical connection.
In order to solve the above technical problems, the present utility model provides a magnetic connection device, including: the first connector comprises a first insulator, a plurality of first terminals and at least one first magnet, wherein the first insulator is provided with an inner base and a first front shell, a plurality of first holes and at least one second hole are formed in the inner base, the first front shell is arranged at the outer interval of the inner base, a first slot is formed between the first front shell and the inner base, the plurality of first terminals are arranged on the first insulator, one ends of the plurality of first terminals extend into the plurality of first holes and the first slot respectively, the first magnet is arranged on the first insulator, and the first magnet corresponds to the second hole; the second connector comprises a second insulator, a plurality of second terminals and at least one second magnet, the second insulator is provided with a plurality of inner columns and a second front shell, a third hole is respectively formed in the inner columns, the second front shell corresponds to the first slot, a second slot is formed in the second front shell, the second slot corresponds to the inner base, the plurality of inner columns are arranged in the second slot, a plurality of fourth holes are formed in the second front shell, at least one fixing hole is formed in the second insulator, one end of each fixing hole is communicated with the second slot, a plurality of second terminals are arranged in the second insulator, one ends of the second terminals respectively extend into a plurality of third holes and a plurality of fourth holes, the second magnet is arranged in each fixing hole, and one ends of the second magnets extend into the second slot; when the first connector and the second connector are matched with each other, the second front shell can be inserted into the first slot, the inner base body can be inserted into the second slot, the first front shell and the second front shell are sleeved with each other, the inner posts can be respectively inserted into the first holes, the first terminals in the first slot can be respectively inserted into the fourth holes, the first terminals in the first holes can be respectively inserted into the third holes, the first terminals are respectively contacted with the second terminals, so that electric connection is achieved, and the second magnet can be inserted into the second holes, so that the first magnet and the second magnet can be mutually magnetically attracted and fixed.
Preferably, the first slot includes a triangular space and an arc space, one ends of the first terminals are respectively located at the centers of the first holes and in the triangular space of the first slot, and the first terminals are exposed in the triangular space of the first slot.
Preferably, the second front shell includes a triangular shell and an arc-shaped shell, the triangular shell and the arc-shaped shell respectively correspond to the triangular space and the arc-shaped space, the triangular shell and the arc-shaped shell can be respectively inserted into the triangular space and the arc-shaped space, and the plurality of fourth holes are arranged in the triangular shell.
Preferably, one of the plurality of first terminals in the triangular space of the first slot is located near the center in the triangular space, and the other plurality of first terminals are around the outside of the first terminal near the center.
Preferably, the plurality of first holes are independent cavities and the plurality of third holes are independent cavities.
Preferably, the plurality of first terminals in the plurality of first holes are high voltage terminals, and the plurality of second terminals in the plurality of third holes are high voltage terminals.
Preferably, the inner edge of the first front shell is provided with at least one first foolproof part protruding or recessed, the outer edge of the second front shell is provided with at least one second foolproof part recessed or protruding, and when the first connector and the second connector are mutually inserted, the first foolproof part and the second foolproof part can be mutually matched.
Preferably, the first magnet is disposed in the first insulator near the center, and the second magnet is disposed in the second insulator near the center.
Preferably, a plurality of fourth holes are provided at intervals, and the plurality of fourth holes respectively form independent spaces for respectively accommodating the plurality of second terminals.
Preferably, the second magnet has a cross-sectional shape corresponding to the cross-sectional shape of the second hole.
The magnetic connection device provided by the utility model has the beneficial effects that the magnetic connection device comprises a first connector and a second connector, wherein the first connector comprises a first insulator, a plurality of first terminals and at least one first magnet, the first insulator is provided with an inner base body and a first front shell, a plurality of first holes and at least one second hole are formed in the inner base body, a first slot is formed between the first front shell and the inner base body, one ends of the plurality of first terminals respectively extend into the plurality of first holes and the first slot, the first magnet is arranged on the first insulator, and the first magnet corresponds to the second hole. The second connector comprises a second insulator, a plurality of second terminals and at least one second magnet, wherein the second insulator is provided with a plurality of inner columns and a second front shell, a third hole is respectively formed in the inner parts of the inner columns, a second slot is formed in the inner part of the second front shell, the inner columns are arranged in the second slot, a plurality of fourth holes are formed in the inner part of the second front shell, at least one fixing hole is formed in the inner part of the second insulator, one ends of the second terminals respectively extend into the third holes and the fourth holes, the second magnet is arranged in the fixing hole, and one ends of the second magnet extend into the second slot. When the first connector and the second connector are matched with each other, the second front shell can be inserted into the first slot, the inner base body can be inserted into the second slot, the first front shell and the second front shell are mutually sleeved and firmly jointed, the plurality of inner posts can be respectively inserted into the plurality of first holes, the plurality of first terminals in the first slot can be respectively inserted into the plurality of fourth holes, the plurality of first terminals in the plurality of first holes can be respectively inserted into the plurality of third holes, the plurality of first terminals are respectively contacted with the plurality of second terminals to achieve electric connection, and the first magnet and the second magnet can be mutually and magnetically attracted and fixed. Therefore, the first connector and the second connector are firmly connected in a sleeved mode layer by layer, so that good mechanical connection can be achieved, loosening and deflection are avoided, and good electrical connection can be achieved.
For a further understanding of the nature and the technical aspects of the present utility model, reference should be made to the following detailed description of the utility model and to the accompanying drawings, which are provided for purposes of reference only and are not intended to limit the utility model.
Drawings
Fig. 1 is an exploded perspective view of the magnetic attachment device of the present utility model.
Fig. 2 is an exploded perspective view of another angle of the magnetic attachment device of the present utility model.
Fig. 3 is a perspective view of the magnetic attachment device of the present utility model.
Fig. 4 is a perspective view of another angle of the magnetic attachment device of the present utility model.
Figure 5 is a cross-sectional view of v-v of figure 3.
FIG. 6 is a sectional view of VI-VI of FIG. 3.
Fig. 7 is a cross-sectional view of the plugged-in state of fig. 5.
Fig. 8 is a cross-sectional view of the plugged-in state of fig. 6.
Fig. 9 is a perspective view of a first connector of the present utility model.
Fig. 10 is a schematic view showing a use state of the magnetic connection device of the present utility model.
Detailed Description
Examples (example)
Referring to fig. 1 to 4, the present utility model provides a magnetic connection device, which includes a first connector 100 and a second connector 200.
The first connector 100 comprises a first insulator 1, a plurality of first terminals 2 and at least one first magnet 3. The first insulator 1 is made of an insulating material such as plastic. The first insulator 1 has an inner housing 11 and a first front shell 12, and the inner housing 11 and the first front shell 12 are close to one end (front end) of the first insulator 1. The inner housing 11 may be an arc-shaped cylinder, the inner housing 11 is provided with a plurality of first holes 111 and at least one second hole 112 (as shown in fig. 5 and 6), the plurality of first holes 111 and the plurality of second holes 112 may be circular holes, the plurality of first holes 111 and the plurality of second holes 112 penetrate to one end (front end) of the inner housing 11, the diameter of the second holes 112 is larger than that of the first holes 111, that is, the second holes 112 are holes with larger diameters, the plurality of first holes 111 are arranged at intervals, and the plurality of first holes 111 surround the outer side of the second holes 112, so that the plurality of first holes 111 and the plurality of second holes 112 are densely distributed in the inner housing 11.
The first front shell 12 may have a drop-shaped cross section, the first front shell 12 is disposed at an outer space of the inner base 11, a first slot 13 is formed between the first front shell 12 and the inner base 11, the first slot 13 penetrates to one end (front end) of the first insulator 1, and the first slot 13 may include a triangular space 131 and an arc space 132 (as shown in fig. 9). Preferably, the first insulator 1 may further be provided with a screw portion 14 at the rear of the first front shell 12, so as to be locked to a plate body or the like in cooperation with a nut. The inner edge of the first front shell 12 may be provided with at least one first fool-proof portion 121 protruding or recessed.
The plurality of first terminals 2 are made of a metal material with good conductivity, the number of the plurality of first terminals 2 is not limited, the plurality of first terminals 2 are disposed on the first insulator 1, one ends (front ends) of the plurality of first terminals 2 may be of a male or female type, and one ends (front ends) of the plurality of first terminals 2 extend into the first holes 111 and the first slots 13 of the inner housing 11, respectively (as shown in fig. 5 and 6). In this embodiment, one end of the first terminal 2 extending into the first hole 111 is of a male type, one end of the first terminal 2 extending into the first socket 13 is also of a male type, one ends of the first terminals 2 are respectively located at the centers of the first holes 111 and in the triangular space 131 of the first socket 13 (as shown in fig. 9), and the first terminals 2 are directly exposed in the triangular space 131 of the first socket 13 so as to be plugged with the corresponding terminals. Preferably, one of the plurality of first terminals 2 in the triangular space 131 of the first slot 13 is located near the center in the triangular space 131, and the other plurality of first terminals 2 surrounds the outer side of the first terminal 2 near the center, so that the plurality of first terminals 2 form an optimal configuration. The first terminals 2 in the first holes 111 can be high-voltage terminals, the high-voltage terminals are respectively arranged in a single cavity, the high-voltage terminals are independently isolated by the shell, the air gap and the creepage distance of two adjacent terminals can be improved, the voltage resistance test value is improved, and the phenomena of spark, breakdown and the like between the terminals are effectively avoided after specific high voltage is met. The other ends (rear ends) of the plurality of first terminals 2 may be exposed to the other ends (rear ends) of the first insulator 1 so as to be electrically connected to other devices.
The first magnet 3 is disposed in the first insulator 1 (as shown in fig. 5 and 6), in this embodiment, one first magnet 3 is disposed, and the first magnet 3 may be disposed near the center in the first insulator 1, so as to provide a better magnetic attraction effect, and the first magnet 3 corresponds to the second hole 112. One end (front end) of the first magnet 3 is spaced from one end (front end) of the second hole 112, so that a space of the second hole 112 in front of the first magnet 3 is available for insertion of a corresponding magnet.
The second connector 200 includes a second insulator 5, a plurality of second terminals 6, and at least one second magnet 7. The second insulator 5 is made of an insulating material such as plastic. The second insulator 5 has a plurality of inner columns 51 and a second front shell 52. The plurality of inner cylinders 51 and the second front case 52 are close to one end (front end) of the second insulator 5. The plurality of inner cylinders 51 may be cylindrical, the plurality of inner cylinders 51 are disposed at intervals, and the plurality of inner cylinders 51 respectively correspond to the plurality of first holes 111. The inner cylinders 51 are each provided with a third hole 511 (as shown in fig. 5), the third holes 511 may be circular holes, and the third holes 511 penetrate through one end (front end) of the inner cylinders 51.
The second front shell 52 corresponds to the first slot 13, a second slot 53 is formed in the second front shell 52, the second slot 53 penetrates to one end (front end) of the second insulator 5, the second slot 53 corresponds to the inner base 11, and the inner base 11 can be inserted into the second slot 53. The inner cylinders 51 are disposed in the second slots 53, the second front shell 52 is disposed at an outer space of the inner cylinders 51, and the inner base 11 and the first front shell 12 can be inserted into the inner cylinders 51 and the second front shell 52 to form a stable joint. Preferably, the second front shell 52 may include a triangular shell 523 and an arc shell 524, and the triangular shell 523 and the arc shell 524 respectively correspond to the triangular space 131 and the arc space 132, so that the triangular shell 523 and the arc shell 524 can be respectively inserted into the triangular space 131 and the arc space 132 to firmly join the first insulator 1 and the second insulator 5.
The second front case 52 has a plurality of fourth holes 521 (as shown in fig. 6) formed therein, the plurality of fourth holes 521 being disposed at intervals, the plurality of fourth holes 521 forming independent spaces for accommodating the plurality of second terminals 6, respectively, the plurality of fourth holes 521 being circular holes, and the plurality of fourth holes 521 penetrating to one end (front end) of the second front case 52. Preferably, a plurality of fourth holes 521 are provided in the triangular shell 523.
The second insulator 5 is further provided with at least one fixing hole 54 (as shown in fig. 5 and 6), the fixing hole 54 may be a circular hole, and one end (front end) of the fixing hole 54 is in communication with the second slot 53. The outer edge of the second front shell 52 may be provided with at least one concave or convex second fool-proof portion 522, where the first fool-proof portion 121 corresponds to the second fool-proof portion 522, and when the first connector 100 and the second connector 200 are plugged with each other, the first fool-proof portion 121 and the second fool-proof portion 522 can cooperate with each other to achieve the fool-proof effect.
The plurality of second terminals 6 are made of a metal material with good conductivity, the number of the plurality of second terminals 6 is not limited, the plurality of second terminals 6 are disposed on the second insulator 5, one ends (front ends) of the plurality of second terminals 6 may be of a female or male type, one ends (front ends) of the plurality of second terminals 6 extend into the plurality of inner columns 51 and the second front case 52, respectively (as shown in fig. 5 and 6), and one ends of the plurality of second terminals 6 extend into the plurality of third holes 511 of the inner columns 51 and the plurality of fourth holes 521 of the second front case 52, respectively.
In the present embodiment, the end of the second terminal 6 extending into the third hole 511 is of a female type, and the end of the second terminal 6 extending into the fourth hole 521 is also of a female type, so that the ends of the first terminals 2 and the second terminals 6 can be mutually engaged. The third holes 511 are independent cavities, the second terminals 6 in the third holes 511 can be high-voltage terminals, the high-voltage terminals are respectively arranged in a single cavity, the high-voltage terminals are independently isolated by the shell, the air gap and the creepage distance of two adjacent terminals can be improved, the voltage resistance test value is improved, and the phenomena of spark, breakdown and the like between the terminals are effectively avoided after specific high voltage is met. The other ends (rear ends) of the plurality of second terminals 6 may be exposed to the other ends (rear ends) of the second insulator 5 so as to be electrically connected to other devices.
The second magnets 7 are disposed in the second insulator 5 (as shown in fig. 5 and 6), and in this embodiment, one second magnet 7 is disposed, and the second magnet 7 may be disposed near the center in the second insulator 5, so as to provide a better magnetic attraction effect. The second magnet 7 may be disposed in the fixing hole 54, and one end of the second magnet 7 extends into the second slot 53.
Referring to fig. 5 to 8, when the first connector 100 and the second connector 200 are mated with each other, the second front housing 52 can be inserted into the first slot 13, the inner housing 11 can be inserted into the second slot 53, the first front housing 12 and the second front housing 52 can be sleeved with each other, the plurality of inner columns 51 can be respectively inserted into the plurality of first holes 111, the plurality of first terminals 2 in the first slot 13 can be respectively inserted into the plurality of fourth holes 521, the plurality of first terminals 2 in the plurality of first holes 111 can be respectively inserted into the plurality of third holes 511, the plurality of first terminals 2 can be respectively contacted with the plurality of second terminals 6, so as to achieve electrical connection, the second magnet 7 can be inserted into the second hole 112, the first magnet 3 and the second magnet 7 can be mutually magnetically fixed, and the first connector 100 and the second connector 200 can be firmly joined. Preferably, the cross-sectional shape of the second magnet 7 corresponds to the cross-sectional shape of the second hole 112, for example, the cross-sectional shape may be a corresponding circular cross-section, so that the second magnet 7 may be firmly matched in the second hole 112, thereby achieving a better bonding effect.
As shown in fig. 10, the magnetic connection device of the present utility model can also be applied to a shock wave endovascular lithotripsy connection system, that is, can be used for signal transmission between a host 300, a handle 400, and a consumable 500 of medical equipment such as the shock wave endovascular lithotripsy connection system.
Advantageous effects of the embodiment
The magnetic connection device provided by the utility model has the beneficial effects that the magnetic connection device comprises a first connector and a second connector, wherein the first connector comprises a first insulator, a plurality of first terminals and at least one first magnet, the first insulator is provided with an inner base body and a first front shell, a plurality of first holes and at least one second hole are formed in the inner base body, a first slot is formed between the first front shell and the inner base body, one ends of the plurality of first terminals respectively extend into the plurality of first holes and the first slot, the first magnet is arranged on the first insulator, and the first magnet corresponds to the second hole. The second connector comprises a second insulator, a plurality of second terminals and at least one second magnet, wherein the second insulator is provided with a plurality of inner columns and a second front shell, a third hole is respectively formed in the inner parts of the inner columns, a second slot is formed in the inner part of the second front shell, the inner columns are arranged in the second slot, a plurality of fourth holes are formed in the inner part of the second front shell, at least one fixing hole is formed in the inner part of the second insulator, one ends of the second terminals respectively extend into the third holes and the fourth holes, the second magnet is arranged in the fixing hole, and one ends of the second magnet extend into the second slot. When the first connector and the second connector are matched with each other, the second front shell can be inserted into the first slot, the inner base body can be inserted into the second slot, the first front shell and the second front shell are mutually sleeved and firmly jointed, the plurality of inner posts can be respectively inserted into the plurality of first holes, the plurality of first terminals in the first slot can be respectively inserted into the plurality of fourth holes, the plurality of first terminals in the plurality of first holes can be respectively inserted into the plurality of third holes, the plurality of first terminals are respectively contacted with the plurality of second terminals to achieve electric connection, and the first magnet and the second magnet can be mutually and magnetically attracted and fixed. Therefore, the first connector and the second connector are firmly connected in a sleeved mode layer by layer, so that good mechanical connection can be achieved, loosening and deflection are avoided, and good electrical connection can be achieved. The special design of the first insulator and the second insulator can improve the air gap and the creepage distance of two adjacent terminals, thereby improving the voltage withstand test value, and effectively avoiding the phenomena of spark, breakdown and the like between the terminals after meeting the specific high voltage.
However, the above description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, so that all equivalent changes in the content of the specification and drawings are included in the scope of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (10)
1. A magnetic attachment device, comprising:
the first connector comprises a first insulator, a plurality of first terminals and at least one first magnet, wherein the first insulator is provided with an inner base body and a first front shell, a plurality of first holes and at least one second hole are formed in the inner base body, the first front shell is arranged at the outer interval of the inner base body, a first slot is formed between the first front shell and the inner base body, the plurality of first terminals are arranged on the first insulator, one ends of the plurality of first terminals respectively extend into the plurality of first holes and the first slot, the first magnet is arranged on the first insulator, and the first magnet corresponds to the second hole; and
the second connector comprises a second insulator, a plurality of second terminals and at least one second magnet, wherein the second insulator is provided with a plurality of inner columns and a second front shell, a third hole is respectively formed in the inner columns, the second front shell corresponds to the first slot, a second slot is formed in the second front shell, the second slot corresponds to the inner base, the inner columns are arranged in the second slot, a plurality of fourth holes are formed in the second front shell, at least one fixing hole is formed in the second insulator, one end of each fixing hole is communicated with the second slot, a plurality of second terminals are arranged in the second insulator, one ends of the second terminals extend to the third holes and the fourth holes respectively, the second magnet is arranged in the fixing holes, and one ends of the second magnets extend to the second slot;
when the first connector and the second connector are matched with each other, the second front shell can be inserted into the first slot, the inner base body can be inserted into the second slot, the first front shell and the second front shell are sleeved with each other, the inner posts can be respectively inserted into the first holes, the first terminals in the first slot can be respectively inserted into the fourth holes, the first terminals in the first holes can be respectively inserted into the third holes, the first terminals are respectively contacted with the second terminals, and electric connection is achieved, the second magnets can be inserted into the second holes, and the first magnets and the second magnets can be mutually magnetically attracted and fixed.
2. The magnetic connection device according to claim 1, wherein the first slot comprises a triangular space and an arc space, wherein one ends of the first terminals are respectively located at the centers of the first holes and in the triangular space of the first slot, and the first terminals are exposed in the triangular space of the first slot.
3. The magnetic coupling device according to claim 2, wherein the second front case comprises a triangular case and an arc case, the triangular case and the arc case respectively correspond to the triangular space and the arc space, the triangular case and the arc case can be respectively inserted into the triangular space and the arc space, and the fourth holes are disposed in the triangular case.
4. The magnetic coupling device according to claim 2, wherein one of the plurality of first terminals in the triangular space of the first slot is located near the center in the triangular space, and the other of the plurality of first terminals is located around the outside of the first terminal near the center.
5. The magnetic coupling apparatus of claim 1, wherein a plurality of said first apertures are independent cavities and a plurality of said third apertures are independent cavities.
6. The magnetic coupling device of claim 1, wherein a plurality of said first terminals in a plurality of said first holes are high voltage terminals and a plurality of said second terminals in a plurality of said third holes are high voltage terminals.
7. The magnetic coupling device according to claim 1, wherein the inner edge of the first front housing has at least one first foolproof portion protruding or recessed, and the outer edge of the second front housing has at least one second foolproof portion recessed or protruding, and when the first connector and the second connector are plugged with each other, the first foolproof portion and the second foolproof portion can be mated with each other.
8. The magnetic coupling device of claim 1, wherein the first magnet is disposed in the first insulator near the center and the second magnet is disposed in the second insulator near the center.
9. The magnetic coupling apparatus of claim 1, wherein a plurality of said fourth holes are spaced apart to form respective spaces for receiving a plurality of said second terminals.
10. The magnetic coupling apparatus of claim 1, wherein the second magnet has a cross-sectional shape corresponding to a cross-sectional shape of the second hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322294071.4U CN220652458U (en) | 2023-08-24 | 2023-08-24 | Magnetic attraction connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322294071.4U CN220652458U (en) | 2023-08-24 | 2023-08-24 | Magnetic attraction connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220652458U true CN220652458U (en) | 2024-03-22 |
Family
ID=90284901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322294071.4U Active CN220652458U (en) | 2023-08-24 | 2023-08-24 | Magnetic attraction connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220652458U (en) |
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2023
- 2023-08-24 CN CN202322294071.4U patent/CN220652458U/en active Active
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