Sound box

Abstract

The sound box comprises a main machine and an auxiliary machine, the main machine comprises a main shell, a first adjustable resistor, a main control assembly board used for being connected with an external power supply and a first magnetic induction assembly used for generating first magnetic field force, and the main control assembly board, the first adjustable resistor and the first magnetic induction assembly are all fixed on the main shell. The first magnetic induction assembly and the first adjustable resistor are electrically connected with the main control assembly board; the auxiliary machine comprises an auxiliary shell, a loudspeaker, a rechargeable battery, a second adjustable resistor, a sub-control assembly plate in communication connection with the main control assembly plate and a second magnetic induction assembly used for generating second magnetic field force, and the sub-control assembly plate, the loudspeaker, the rechargeable battery, the second adjustable resistor and the second magnetic induction assembly are all fixed to the auxiliary shell. The loudspeaker, the rechargeable battery, the second magnetic induction assembly and the second adjustable resistor are all electrically connected with the sub-control assembly board, the auxiliary machine is provided with a first position abutting against the main machine and a second position suspended above the main machine, and the auxiliary machine can reciprocate in the direction of a straight line formed by the first position and the second position.

Description

Technical Field

[0001] The utility model relates to the technical field of sound box structures, in particular to a sound box. Background Art

[0002] At present, the speaker is the terminal of the entire audio system. Its function is to convert audio electrical energy into corresponding sound energy and radiate it into space. It is an extremely important component of the audio system and is responsible for converting electrical signals into sound signals for direct human hearing.

[0003] However, the existing speakers have relatively simple functions and are only used as audio output devices. They are not attractive enough to attract people's attention, are not playable, lack a sense of technology, and have no market competitiveness. Utility Model Content

[0004] The purpose of the utility model is to provide a speaker to solve the technical problems that the existing speakers have relatively simple functions, are only used as an audio output device, have little attraction to attract people's attention, are not playable, lack a sense of technology, and have no market competitiveness.

[0005] The utility model provides a sound box, comprising:

[0006] A host, comprising a main shell, a first adjustable resistor, a main control panel for connecting to an external power source, and a first magnetic induction component for generating a first magnetic field force, wherein the main control panel, the first adjustable resistor, and the first magnetic induction component are all fixed to the main shell, and the first magnetic induction component and the first adjustable resistor are both electrically connected to the main control panel;

[0007] The auxiliary machine comprises an auxiliary shell, a loudspeaker, a rechargeable battery, a second adjustable resistor, a sub-control panel communicatively connected to the main control panel, and a second magnetic induction component for generating a second magnetic field force. The sub-control panel, the loudspeaker, the rechargeable battery, the second adjustable resistor and the second magnetic induction component are all fixed on the auxiliary shell. The loudspeaker, the rechargeable battery, the second magnetic induction component and the second adjustable resistor are all electrically connected to the sub-control panel. The auxiliary machine has a first position abutting against the main machine and a second position suspended above the main machine. By adjusting the first adjustable resistor and / or the first adjustable resistor, the auxiliary machine can reciprocate relative to the main machine along the straight line direction formed by the first position and the second position.

[0008] Furthermore, the first magnetic induction component includes a plurality of first electromagnets and a plurality of first coils electrically connected to the main control panel, the first electromagnets are fixed on the main shell at intervals, the first electromagnets are enclosed to form a ring structure, and the first coils are respectively wound around the first electromagnets.

[0009] Furthermore, the second magnetic induction component includes a plurality of second electromagnets and a plurality of second coils electrically connected to the sub-control panel, the second electromagnets are fixed on the sub-shell at intervals, the second electromagnets are enclosed to form an annular structure, and the second coils are respectively wound around the second electromagnets.

[0010] Furthermore, a central axis of the annular structure formed by each of the first electromagnets coincides with a central axis of the annular structure formed by each of the second electromagnets.

[0011] Furthermore, the main control group panel includes a main control board communicatively connected to the sub-control group panel and a first magnetic circuit PCB board electrically connected to the first magnetic induction component, the main shell has a first accommodating space, the main control board, the first magnetic circuit PCB board, the first magnetic induction component and the first adjustable resistor are all located in the first accommodating space, and the first magnetic circuit PCB board and the first adjustable resistor are both electrically connected to the main control board.

[0012] Furthermore, the sub-control group board includes a second magnetic circuit PCB board communicatively connected to the main control board, the sub-shell is provided with a second accommodating space and at least one sound hole communicated with the second accommodating space, the speaker, the second magnetic circuit PCB board, the rechargeable battery, the second magnetic induction component and the second adjustable resistor are all located in the second accommodating space, and the speaker, the rechargeable battery, the second magnetic induction component and the second adjustable resistor are all electrically connected to the second magnetic circuit PCB board.

[0013] Furthermore, a positioning portion is protruding from the bottom of the auxiliary shell, and a receiving groove and a positioning groove recessed on the bottom wall of the receiving groove are provided on the top of the main shell. When the auxiliary machine is located at the first position, part of the auxiliary machine is located in the receiving groove, and the positioning portion is inserted into the positioning groove. When the auxiliary machine is located at the second position, the positioning portion is disengaged from the positioning groove.

[0014] Furthermore, the auxiliary machine also includes a mesh cover, which is installed on the auxiliary shell and covers the sound hole.

[0015] Furthermore, the speaker also includes a wireless charging component for charging the rechargeable battery, and the wireless charging component includes a transmitting module and a receiving module cooperating with the transmitting module, the transmitting module is fixed on the main shell and electrically connected to the main control group board, and the receiving module is fixed on the secondary shell, and the receiving module is electrically connected to the rechargeable battery through the sub-control group board.

[0016] Furthermore, the speaker also includes a magnetic adsorption component for limiting the auxiliary machine, and the magnetic adsorption component includes at least one first attraction block and at least one second attraction block, the first attraction block is fixed on the main shell, and the second attraction block is fixed on the auxiliary shell, and the first attraction block and the second attraction block are magnetically attracted to each other.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The first magnetic induction component of the utility model can generate a first magnetic field force when powered on, and the second magnetic induction component can generate a first magnetic field force when powered on. Under the cooperation of the first magnetic field force and the second magnetic field force, the auxiliary machine has a first position abutting against the main machine and a second position suspended above the main machine, and by adjusting the first adjustable resistor, the current passing through the first magnetic induction component can fluctuate, and the strength of the first magnetic field force will change. By adjusting the second adjustable resistor, the current passing through the second magnetic induction component can fluctuate, and the strength of the second magnetic field force will change, so that the auxiliary machine can reciprocate relative to the main machine along the straight line direction formed by the first position and the second position, and the auxiliary machine can vibrate with the music, which increases the playability and technological sense of the speaker. It can be used as a professional speaker or as a living room decoration, which greatly increases the market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the structure of a speaker provided in an embodiment of the utility model;

[0020] Figure 2 A cross-sectional view of a speaker provided in an embodiment of the utility model;

[0021] Figure 3 An exploded view of a speaker provided in an embodiment of the utility model;

[0022] Figure 4 A schematic diagram of the structure of a host provided by an embodiment of the utility model;

[0023] Figure 5 An exploded view of a host provided by an embodiment of the utility model;

[0024] Figure 6 A schematic diagram of the structure of the auxiliary machine provided in the embodiment of the utility model;

[0025] Figure 7 An exploded view of the auxiliary machine provided in an embodiment of the utility model;

[0026] Figure 8 An exploded view of the auxiliary machine provided by the embodiment of the utility model after the mesh cover is removed;

[0027] Fig. 9A cross-sectional view of a speaker provided in an embodiment of the utility model when the auxiliary unit is suspended.

[0028] In the figure:

[0029] 10. Main unit; 11. Main shell; 111. First storage space; 112. Storage slot; 113. Positioning slot; 114. Base; 115. Cover; 12. Main control panel; 121. Main control board; 122. First magnetic circuit PCB board; 13. First magnetic induction component; 131. First electromagnet; 14. Buffer pad; 20. Auxiliary unit; 21. Auxiliary shell; 211. Second storage space; 212. Sound hole; 213. Positioning part; 214 , top cover; 215, support; 216, bottom shell; 217, first chamber; 218, second chamber; 22, speaker; 23, sub-control panel; 231, second magnetic circuit PCB board; 24, second magnetic induction component; 241, second electromagnet; 25, rechargeable battery; 26, mesh cover; 30, wireless charging component; 31, transmitting module; 32, receiving module; 40, magnetic adsorption component; 41, first attraction block; 42, second attraction block. DETAILED DESCRIPTION

[0030] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0031] See also Figures 1 to 9 As shown, an embodiment of the utility model discloses a sound box, including a main unit 10 and an auxiliary unit 20, the main unit 10 includes a main shell 11, a main control panel 12, a first adjustable resistor and a first magnetic induction component 13 for generating a first magnetic field force, the main control panel 12, the first adjustable resistor and the first magnetic induction component 13 are all fixed on the main shell 11, the first magnetic induction component 13 and the first adjustable resistor are all electrically connected to the main control panel 12, the main control panel 121 can be used to connect to an external power supply, the main control panel 12, the first magnetic induction component 13 and the first adjustable resistor are connected to form a closed loop, the main control panel 12 can form a continuously fluctuating current in the loop of the main unit 10 with the cooperation of the first adjustable resistor, the fluctuating current enters the first magnetic induction component 13, and the first magnetic induction component 13 can generate a first magnetic field force which is vertically arranged and changes at any time.

[0032] The auxiliary machine 20 includes a secondary shell 21, a speaker 22, a sub-control panel 23, a second adjustable resistor, a second magnetic induction component 24 and a rechargeable battery 25. The second magnetic induction component 24 is used to generate a second magnetic field force. The sub-control panel 23 is wirelessly connected to the main control panel 12. The sub-control panel 23, the speaker 22, the second adjustable resistor, the second magnetic induction component 24 and the rechargeable battery 25 are all fixed on the secondary shell 21. The speaker 22, the second magnetic induction component 24, the second adjustable resistor and the rechargeable battery 25 are all electrically connected to the sub-control panel 23. The sub-control panel 23 It can also be directly connected to an external power source to replace the rechargeable battery 25. The speaker 22, the sub-control panel 23, the second magnetic induction component 24, the second adjustable resistor and the rechargeable battery 25 are connected to form a closed loop. The sub-control panel 23, with the cooperation of the second adjustable resistor, can form a continuously fluctuating current in the loop of the auxiliary machine 20. The fluctuating current enters the second magnetic induction component 24. The second magnetic induction component 24 can generate a second magnetic field force that is vertically set and changes at any time. The current in the main machine 10 and the current in the auxiliary machine 20 do not need to be the same.

[0033] The auxiliary machine 20 has a first position abutting against the main machine 10 and a second position suspended above the main machine 10. The size of the first adjustable resistor and / or the second adjustable resistor is adjusted to control the size of the current inside the main machine 10 and the auxiliary machine 20, so that the first magnetic field force and the second magnetic field force also produce corresponding changes and fluctuations. The auxiliary machine 20 can reciprocate relative to the main machine 10 along the straight line formed by the first position and the second position according to the music, that is, reciprocate along the vertical direction, which increases the playability and sense of technology of the speaker. It can be used as a professional speaker or as a living room decoration, which greatly increases the market competitiveness. When on standby, the auxiliary machine 20 is only suspended above the main machine 10.

[0034] It should be noted that the audio output signal is a fluctuating signal. When reflected in the current, the current is changing. Through the chip and the amplifier circuit inside the main control panel 12, the change of the current in the loop is monitored and amplified with the cooperation of the first adjustable resistor, a continuously fluctuating current is formed and output to the first magnetic induction component 13, thereby generating a changing first magnetic field force; through the chip and the amplifier circuit inside the sub-control panel 23, the change of the current is monitored and amplified with the cooperation of the second adjustable resistor, a continuously fluctuating current is formed and output to the second magnetic induction component 24, thereby generating a changing second magnetic field force. Because the currents in the two circuits are in a fluctuating state, the auxiliary machine 20 can reciprocate in the vertical direction relative to the main machine 10 according to the rhythm of the music, thereby achieving the purpose of the auxiliary machine 20 moving with the rhythm of the music.

[0035] The first magnetic induction component 13 includes a plurality of first electromagnets 131 and a plurality of first coils electrically connected to the main control panel 12. The number of the first electromagnets 131 and the number of the first coils are twelve. The first electromagnets 131 are fixed on the main shell 11 at intervals. The first electromagnets 131 are enclosed to form an annular structure. The first coils are respectively wound around the first electromagnets 131, so that the first magnetic induction component 13 can generate the first magnetic field force set vertically after being energized.

[0036] The second magnetic induction component 24 includes a plurality of second electromagnets 241 and a plurality of second coils electrically connected to the sub-control panel 23. The number of the second electromagnets 241 and the second coils are both twelve. The second electromagnets 241 are fixed on the sub-shell 21 at intervals. The second electromagnets 241 are enclosed to form a ring structure. The second coils are respectively wound around the second electromagnets 241, so that the second magnetic induction component 24 can generate the second magnetic field force arranged vertically after being energized. When the first magnetic field force and the second magnetic field force reach a balance, the auxiliary machine 20 will be suspended above the main machine 10.

[0037] In some embodiments, the annular structure formed by each first electromagnet 131 is substantially the same size as the annular structure formed by each second electromagnet 241, and the central axis of the annular structure formed by each first electromagnet 131 coincides with the central axis of the annular structure formed by each second electromagnet 241, and they are coaxially arranged so that the first magnetic field force can be directly opposite to the second magnetic field force, thereby ensuring that the auxiliary machine 20 can run up and down relative to the main machine 10 without deviating during operation.

[0038] In this embodiment, the main control panel 12 includes a main control panel 121 and a first magnetic circuit PCB board 122 electrically connected to the first magnetic induction component 13. The main control panel 121 is wirelessly connected to the sub-control panel 23. The main shell 11 has a first accommodating space 111. The main control panel 121, the first magnetic circuit PCB board 122, the first magnetic induction component 13 and the first adjustable resistor are all located in the first accommodating space 111. The first magnetic circuit PCB board 122 is a ring structure. The first magnetic circuit PCB board 122 and the first adjustable resistor are electrically connected to the main control panel 121. The main control panel 121 is used to connect to an external power supply, and the external power supply provides power to the host 10.

[0039] The sub-control panel 23 includes a second magnetic circuit PCB board 231, which is wirelessly connected to the main control board 121. The auxiliary shell 21 is provided with a second accommodating space 211 and at least one sound hole 212 connected to the second accommodating space 211. The speaker 22, the second magnetic circuit PCB board 231, the second magnetic induction component 24, the rechargeable battery 25 and the second adjustable resistor are all located in the second accommodating space 211. The speaker 22, the second magnetic circuit PCB board 231, the rechargeable battery 25 and the second adjustable resistor are all electrically connected to the second magnetic circuit PCB board 231. The speaker 22 is located at the center of the auxiliary machine 20 so that the entire auxiliary machine 20 can maintain balance when running up and down.

[0040] In some embodiments, a positioning portion 213 is convexly provided on the bottom of the auxiliary shell 21, and a receiving groove 112 and a positioning groove 113 recessed on the bottom wall of the receiving groove 112 are provided on the top of the main shell 11. When the auxiliary machine 20 is located at the first position, part of the auxiliary machine 20 is located in the receiving groove 112, and the positioning portion 213 is inserted into the positioning groove 113. When the auxiliary machine 20 is located at the second position, the positioning portion 213 is disengaged from the positioning groove 113, and the positioning portion 213 is located in the receiving groove 112, so as to strengthen the limiting of the operation process of the auxiliary machine 20.

[0041] The host 10 also includes a buffer pad 14 arranged in an annular shape. The main shell 11 includes a base 114 and a cover plate 115. The cover plate 115 is installed on the base 114 and encloses the base 114 to form the first accommodating space 111. The first magnetic induction component 13, the first adjustable resistor and the main control group board 12 are all fixed on the base 114. The accommodating groove 112 and the positioning groove 113 are both arranged on the cover plate 115. The buffer pad 14 is installed in the positioning groove 113 to provide a certain buffering effect when the auxiliary machine 20 runs downward.

[0042] In this embodiment, the speaker also includes a wireless charging component 30 for charging the rechargeable battery 25. The wireless charging component 30 includes a transmitting module 31 and a receiving module 32 that cooperates with the transmitting module 31. The transmitting module 31 is fixed in the first accommodating space 111 of the main shell 11. The transmitting module 31 is electrically connected to the main control panel 12. The receiving module 32 is fixed in the second accommodating space 211 of the auxiliary shell 21. The receiving module 32 is electrically connected to the rechargeable battery 25 through the sub-control panel 23. When the auxiliary machine 20 is located in the first position and is not in a working state, the transmitting module 31 is connected to the receiving module 32, and an external power supply can charge the rechargeable battery 25 in the auxiliary machine 20 through the main machine 10. If it is in a working state, it will not be charged. When the auxiliary machine 20 is located in the second position, the transmitting module 31 is disconnected from the receiving module 32, and the rechargeable battery 25 is no longer charged.

[0043] The auxiliary machine 20 is in a suspended working state and needs to be powered by the rechargeable battery 25. When the power is exhausted, the auxiliary machine 20 will fall into the positioning slot 113 of the main machine 10 and be charged by the wireless charging component 30. The suspension can only be restarted through voice control or APP; and when the power of the auxiliary machine 20 is 10%, the main machine 10 and the auxiliary machine 20 will gradually reduce the output current, and the auxiliary machine 20 will rely on its own gravity to fall back into the positioning slot 113 for charging.

[0044] In this embodiment, the speaker also includes a magnetic adsorption component 40 for limiting the auxiliary machine 20. The magnetic adsorption component 40 includes at least one first attraction block 41 and at least one second attraction block 42. The number of the first attraction block 41 and the second attraction block 42 are both three. The first attraction block 41 is fixed in the first accommodating space 111 of the main shell 11, and the second attraction block 42 is fixed in the second accommodating space 211 of the auxiliary shell 21. The first attraction block 41 always maintains magnetic attraction with the second attraction block 42 to assist in positioning the auxiliary machine 20 in operation, and when the auxiliary machine 20 reaches the highest position, it will repel the magnetic circuit of the main machine 10 to achieve the purpose of limiting. One of the first attraction block 41 and the second attraction block 42 is a permanent magnet, and the other of the first attraction block 41 and the second attraction block 42 can be a permanent magnet or an iron product.

[0045] The sub-shell 21 includes a top cover 214, a support 215 and a bottom shell 216. The top cover 214 is installed on the top of the support 215 and is enclosed with the support 215 to form a first chamber 217. The speaker 22 and the rechargeable battery 25 are both installed in the first chamber 217. The sound hole 212 is provided on the top cover 214 and is corresponding to the speaker 22. The bottom shell 216 is installed on the bottom of the support 215 and is enclosed with the support 215 to form a second chamber 218. The sub-control panel 23, the second magnetic induction component 24, the receiving module 32 and the second attraction block 42 are all located in the second chamber 218. The receiving module 32 and the second attraction block 42 are both fixed on the bottom shell 216. Each second attraction block 42 is arranged outside the receiving module 32. The positioning portion 213 is provided on the bottom shell 216. The first chamber 217 and the second chamber 218 are connected and constitute the second accommodating space 211.

[0046] In some embodiments, the auxiliary unit 20 further includes a mesh cover 26 , which is installed on the top cover 214 and covers each sound hole 212 to prevent external dust from entering the speaker 22 .

[0047] In summary, the first magnetic induction component 13 of the utility model can generate a first magnetic field force when powered on, and the second magnetic induction component 24 can generate a first magnetic field force when powered on. Under the cooperation of the first magnetic field force and the second magnetic field force, the auxiliary machine 20 has a first position abutting against the main machine 10 and a second position suspended above the main machine 10, and by adjusting the first adjustable resistor, the current passing through the first magnetic induction component 13 can fluctuate, and the strength of the first magnetic field force will change. By adjusting the second adjustable resistor, the current passing through the second magnetic induction component 24 can fluctuate, and the strength of the second magnetic field force will change, so that the auxiliary machine 20 can reciprocate relative to the main machine 10 along the straight line direction formed by the first position and the second position, and the auxiliary machine 20 can vibrate with the music, which increases the playability and technological sense of the speaker. It can be used as a professional speaker or as a living room decoration, which greatly increases the market competitiveness.

[0048] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A sound box, characterized in that: include: A host, comprising a main shell, a first adjustable resistor, a main control panel for connecting to an external power source, and a first magnetic induction component for generating a first magnetic field force, wherein the main control panel, the first adjustable resistor, and the first magnetic induction component are all fixed to the main shell, and the first magnetic induction component and the first adjustable resistor are both electrically connected to the main control panel; The auxiliary machine comprises an auxiliary shell, a loudspeaker, a rechargeable battery, a second adjustable resistor, a sub-control panel communicatively connected to the main control panel, and a second magnetic induction component for generating a second magnetic field force. The sub-control panel, the loudspeaker, the rechargeable battery, the second adjustable resistor and the second magnetic induction component are all fixed on the auxiliary shell. The loudspeaker, the rechargeable battery, the second magnetic induction component and the second adjustable resistor are all electrically connected to the sub-control panel. The auxiliary machine has a first position abutting against the main machine and a second position suspended above the main machine. By adjusting the first adjustable resistor and / or the first adjustable resistor, the auxiliary machine can reciprocate relative to the main machine along the straight line direction formed by the first position and the second position.

2. The speaker according to claim 1, characterized in that: The first magnetic induction component includes a plurality of first electromagnets and a plurality of first coils electrically connected to the main control panel. The first electromagnets are fixed on the main shell at intervals. The first electromagnets are enclosed to form a ring structure. The first coils are respectively wound around the first electromagnets.

3. The speaker according to claim 2, characterized in that: The second magnetic induction component includes a plurality of second electromagnets and a plurality of second coils electrically connected to the sub-control panel. The second electromagnets are fixed on the sub-shell at intervals. The second electromagnets are enclosed to form an annular structure. The second coils are respectively wound around the second electromagnets.

4. The speaker according to claim 3, characterized in that: The central axis of the annular structure formed by each of the first electromagnets coincides with the central axis of the annular structure formed by each of the second electromagnets.

5. The speaker according to claim 1, characterized in that: The main control panel includes a main control panel communicatively connected to the sub-control panel and a first magnetic circuit PCB board electrically connected to the first magnetic induction component. The main shell has a first accommodating space. The main control panel, the first magnetic circuit PCB board, the first magnetic induction component and the first adjustable resistor are all located in the first accommodating space. The first magnetic circuit PCB board and the first adjustable resistor are both electrically connected to the main control panel.

6. The speaker according to claim 5, characterized in that: The sub-control panel includes a second magnetic circuit PCB board communicatively connected to the main control panel, the sub-shell is provided with a second accommodating space and at least one sound hole communicated with the second accommodating space, the speaker, the second magnetic circuit PCB board, the rechargeable battery, the second magnetic induction component and the second adjustable resistor are all located in the second accommodating space, and the speaker, the rechargeable battery, the second magnetic induction component and the second adjustable resistor are all electrically connected to the second magnetic circuit PCB board.

7. The speaker according to claim 6, characterized in that: A positioning portion is convexly provided at the bottom of the auxiliary shell, and a receiving groove and a positioning groove recessed on the bottom wall of the receiving groove are provided at the top of the main shell. When the auxiliary machine is located at the first position, part of the auxiliary machine is located in the receiving groove, and the positioning portion is inserted into the positioning groove. When the auxiliary machine is located at the second position, the positioning portion is disengaged from the positioning groove.

8. The speaker according to claim 6, characterized in that: The auxiliary machine further comprises a mesh cover which is mounted on the auxiliary shell and covers the sound hole.

9. The speaker according to claim 1, characterized in that: The speaker also includes a wireless charging component for charging the rechargeable battery, and the wireless charging component includes a transmitting module and a receiving module cooperating with the transmitting module, the transmitting module is fixed on the main shell and electrically connected to the main control panel, the receiving module is fixed on the secondary shell, and the receiving module is electrically connected to the rechargeable battery through the sub-control panel.

10. The speaker according to claim 1, characterized in that: The speaker also includes a magnetic adsorption component for limiting the auxiliary machine, and the magnetic adsorption component includes at least one first attraction block and at least one second attraction block. The first attraction block is fixed on the main shell, and the second attraction block is fixed on the auxiliary shell. The first attraction block and the second attraction block are magnetically attracted to each other.

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