CN113050356A

CN113050356A - Magnetic suspension type winding device

Info

Publication number: CN113050356A
Application number: CN202110301229.9A
Authority: CN
Inventors: 杨大海
Original assignee: Guangxi Zhongguangying Photoelectric Co ltd
Current assignee: Guangxi Zhongguangying Photoelectric Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-06-29

Abstract

The utility model provides a magnetic levitation type furling device, it includes the spool and locates the spool both ends and be used for supporting the spindle nose support of spool, the spool can rotate relative spindle nose support, it still includes first magnetic element, second magnetic element and magnetic element mount, the non-tip department of spool is located to first magnetic element, second magnetic element is located on the magnetic element mount and is relative with first magnetic element's position, second magnetic element and first magnetic element looks interval, and second magnetic element and first magnetic element repel each other and provide ascending holding power in order to suspend and hold the spool for the spool. The magnetic suspension type rolling device suspends the scroll in the air by the principle that like poles repel and opposite poles attract magnets, can ensure that the scroll is not bent on the premise of not increasing the diameter of the scroll, can realize the characteristics of portability, low cost and no deformation of curtain cloth of a long-size electric rolling curtain, and has strong practicability. In addition, the magnetic suspension type rolling device can also be applied to the fields of electric rolling curtains and the like.

Description

Magnetic suspension type winding device

[ technical field ] A method for producing a semiconductor device

The invention relates to a winding device, in particular to a magnetic suspension type winding device capable of preventing a scroll from bending and deforming.

[ background of the invention ]

At present, the winding type long-size electric rolling screen projection screen mainly uses two shaft heads of a winding shaft as bearing hanging points, and the winding shaft is suspended in the air. The longer the roller blind projection screen, the longer the roller shaft, and the larger the span between the shaft heads. When the span of the reel is large, the reel is easy to fall and bend, which also easily causes the curtain to deform. The screen will deform to cause the display deformation of the projection image, which affects the viewing effect.

To prevent the bending of the reel, it is common to increase the diameter of the reel. For example, a 2.5 meter long motorized roller shade projection screen, the diameter of the roller is not less than 1.5 inches; the length of the electric rolling screen projection screen is 5 meters, and the diameter of a rolling shaft is not less than 3 inches; the length of the electric rolling screen projection screen is 10 meters, and the diameter of a rolling shaft is not less than 6 inches; the length of the electric rolling screen projection screen is 13 meters, and the diameter of a rolling shaft is not less than 8 inches; the length of the electric rolling screen projection screen is more than 18 meters, and the diameter of the rolling shaft is not less than 12 inches; the larger the spool, the heavier the mass and the higher the cost, which greatly increases the manufacturing, transportation and installation costs and also increases the safety risk of falling.

[ summary of the invention ]

The present invention is directed to solve the above problems, and provides a magnetic suspension type winding device.

In order to solve the above problems, the present invention provides a magnetic suspension type furling device, which includes a long rod-shaped reel, spindle nose brackets disposed at two ends of the reel for supporting the reel, wherein the reel is rotatable relative to the spindle nose brackets, and the magnetic suspension type furling device is characterized by further including a first magnetic element, a second magnetic element, and a magnetic element fixing frame, wherein the first magnetic element is disposed at a non-end position of the reel, the second magnetic element is disposed on the magnetic element fixing frame and is opposite to the first magnetic element, the second magnetic element is spaced from the first magnetic element, and the second magnetic element is repulsive to the first magnetic element to provide an upward supporting force for the reel to suspend the reel.

Furthermore, the winding device further comprises a third magnetic element, wherein the third magnetic element is arranged on the magnetic element fixing frame and is opposite to the first magnetic element in position, the third magnetic element is spaced from the first magnetic element, and the third magnetic element and the first magnetic element attract each other to draw the winding shaft upwards so as to prevent the winding shaft from falling and bending.

Further, the first magnetic element, the second magnetic element and the third magnetic element are one or more of magnets or electromagnets.

Furthermore, the reel comprises a plurality of reel units which can be spliced end to end, and the first magnetic element is arranged at the position where the two adjacent reel units are connected.

Furthermore, the end parts of the reel units are provided with axial insertion holes extending from the end surfaces of the reel units along the axial direction, the first magnetic element is in a strip shape, and two ends of the first magnetic element can be respectively inserted into the axial insertion holes of two adjacent reel units.

Furthermore, the reel unit respectively comprises a first connecting part, a main body part and a second connecting part which are integrally formed, wherein the first connecting part is provided with an internal thread extending along the axial direction, the main body part is cylindrical or cylindrical, the second connecting part is cylindrical or cylindrical, and the outer wall of the second connecting part is provided with an external thread matched with the internal thread; two adjacent sections of reel units are connected in the first connecting part through the second connecting part in a threaded manner and are connected together through threads; the first magnetic element is sleeved on the second connecting part and fixed between two adjacent sections of reel units.

Furthermore, the outer diameter of the second connecting portion is smaller than that of the main body portion, a limiting step is formed between the second connecting portion and the main body portion, the first magnetic element is arranged at the limiting step, and two ends of the first magnetic element are respectively abutted to the end face of the main body portion and the end face of the first connecting portion.

Furthermore, the reel is cylindrical, the first magnetic element is cylindrical or cylindrical, and the first magnetic element is sleeved in the reel and attached to the inner wall of the reel.

Further, the reel comprises an outer cylinder and an inner cylinder which are cylindrical, the outer cylinder and the inner cylinder are coaxially arranged and are mutually spaced, and the first magnetic element is fixedly arranged between the outer cylinder and the inner cylinder.

Further, be equipped with a plurality of magnet grooves on the circumference outer wall of spool, first magnetic element inlays to be located in the magnet groove, just first magnetic element's outer wall with the circumference outer wall parallel and level of spool.

Furthermore, the magnetic element fixing frame is fixedly arranged in the scroll box.

The driving motor is fixedly arranged in the scroll box, one end of the driving motor is fixedly connected with the spindle head bracket, and the other end of the driving motor is connected with the end part of the rotating shaft; the hanging devices are evenly distributed on the reel box at intervals.

The present invention advantageously contributes to effectively solving the above-mentioned problems. The magnetic suspension type winding device is provided with a first magnetic element on the scroll, a second magnetic element is arranged outside the scroll, and the second magnetic element and the first magnetic element repel each other to provide upward supporting force for the scroll, so that the scroll can be suspended to support and prevent the scroll from falling and bending. In addition, the third magnetic element is arranged outside the scroll, and the third magnetic element is attracted with the first magnetic element to provide upward traction for the scroll, so that the scroll can be further prevented from falling and bending. The magnetic suspension type winding device suspends and supports the scroll in the air by the principle that like poles repel and opposite poles attract of the magnets, can ensure that the scroll is not bent on the premise of not increasing the diameter of the scroll, can realize the characteristics of lightness, low cost and no deformation of curtain cloth of a long-size electric rolling curtain, has strong practicability and is suitable for being widely popularized. In addition, the magnetic suspension type rolling device can also be applied to the fields of electric rolling curtains and the like.

[ description of the drawings ]

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic view of embodiment 1.

Fig. 4 is a schematic view of embodiment 1.

Fig. 5 is a schematic view of embodiment 2.

Fig. 6 is a schematic view of embodiment 3.

Fig. 7 is a schematic view of embodiment 3.

Fig. 8 is a schematic view of embodiment 4.

Fig. 9 is a schematic view of embodiment 5.

Fig. 10 is a schematic view of embodiment 5.

Fig. 11 is a schematic view of embodiment 6.

Fig. 12 is a schematic view of embodiment 6.

Fig. 13 is a schematic view of embodiment 6.

Fig. 14 is a schematic view of embodiment 6.

The curtain cloth winding device comprises a winding shaft 10, an inner cylinder 11, an outer cylinder 12, a winding shaft unit 13, a first connecting part 131, an internal thread 1311, a main body part 132, a second connecting part 133, an external thread 1331, a limit step 134, an axial insertion hole 135, a fastening hole 136, a fastening piece 137, a shaft head bracket 20, a magnetic element fixing frame 30, a first magnetic element 40, a second magnetic element 50, a third magnetic element 60, a winding shaft box 70, a driving motor 80, a hanging device 90, an opening 100 and a curtain cloth 110.

[ detailed description ] embodiments

The following examples are further illustrative and supplementary to the present invention and do not limit the present invention in any way.

The main point of the magnetic suspension type winding device is that the reel 10 is supported by utilizing the principle that like poles repel and opposite poles attract of magnetic elements so as to keep the reel 10 straight and avoid the reel 10 from falling and deforming due to gravity.

The magnetic suspension type rolling device can be used for an electric rolling curtain and a rolling curtain, and is suitable for a structure for rolling by using the scroll 10.

As shown in fig. 1 and 2, the magnetic levitation type furling device includes a reel 10, a spindle nose bracket 20, a magnetic element fixing frame 30, a first magnetic element 40, and a second magnetic element 50. Further, it may further include a third magnetic element 60, a reel cassette 70, a driving motor 80, a hanger 90, and the like.

As shown in fig. 1 and 2, the winding shaft 10 is in the form of a long rod, and is generally horizontally disposed when installed for use. The head brackets 20 are provided at both ends of the reel 10 for supporting the reel 10. The head bracket 20 may support the reel 10 in a horizontal state and may facilitate the rotation of the reel 10. The gudgeon brackets 20 may be of known construction.

As shown in fig. 1 and 2, the first magnetic elements 40 are disposed on the winding shaft 10 and distributed at non-end positions of the winding shaft 10. The number of the first magnetic elements 40 may be set as required, and they may be distributed on the reel 10 at equal intervals along the length direction of the reel 10, or may be distributed on the reel 10 at non-equal intervals. The second magnetic element 50 is disposed on the magnetic element holder 30, and is opposite to the first magnetic element 40. The second magnetic element 50 is spaced apart from the first magnetic element 40, and the second magnetic element 50 and the first magnetic element 40 repel each other, so as to provide an upward supporting force for the reel 10 to suspend and support the donation 10, thereby preventing the reel 10 from falling and deforming due to gravity.

The first and second

magnetic elements

40 and 50 may be magnets or electromagnets, which may be disposed as required. For example, in some embodiments, the first magnetic element 40 and the second magnetic element 50 are both magnets; in some embodiments, the first magnetic element 40 and the second magnetic element 50 are electromagnets; in some cases, the first magnetic element 40 may be a magnet, and the second magnetic element 50 may be an electromagnet; in some embodiments, the first magnetic element 40 may be an electromagnet and the second magnetic element 50 may be a magnet.

When the first magnetic element 40 and the second magnetic element 50 adopt magnets, the arrangement is simple and the cost is low; when the first magnetic element 40 and the second magnetic element 50 are electromagnets, the size of the electromagnets can be adjusted more conveniently to adjust the suspension supporting effect.

As shown in fig. 1 and 2, the magnetic element holder 30 may be shaped as required to fixedly dispose the second magnetic element 50. The magnetic element fixing frame 30 is disposed at the periphery of the reel 10, and does not interfere with the rotation of the reel 10. The second magnetic element 50 can be fixed on the magnetic element fixing frame 30 by various methods, and the fixing form is not limited. In some embodiments, the magnetic element holder 30 may be a unitary structure that is disposed along the length of the reel 10 and has a plurality of second magnetic elements 50 spaced apart therefrom. In some embodiments, the magnetic element holder 30 may be a plurality of component structures, one magnetic element holder 30 is disposed at each position corresponding to the first magnetic element 40, and a plurality of magnetic element holders 30 are disposed along the length direction of the reel 10, and each magnetic element holder 30 corresponds to one or a group of first magnetic elements 40.

The first magnetic element 40 and the second magnetic element 50 may have a block structure, a columnar structure, or the like, without limitation. The second magnetic element 50 is disposed on the magnetic element holder 30 at any position, and can provide an upward force to the reel 10 by repelling the first magnetic element 40 to suspend the reel 10.

Further, as shown in fig. 1 and 2, a third magnetic element 60 may be further disposed on the magnetic element holder 30. The third magnetic element 60 is located opposite the first magnetic element 40. The third magnetic element 60 is spaced apart from the first magnetic element 40, and the third magnetic element 60 is attracted to the first magnetic element 40, so as to provide an upward pulling force to the winding shaft 10 to prevent the winding shaft 10 from bending downward.

The third magnetic element 60 may be a magnet, an electromagnet, or a metal element made of ferromagnetic material, which may be specifically configured as required.

The third magnetic element 60 is not limited in shape and is disposed at any position on the magnetic element holder 30, and can provide an upward force to the reel 10 by attracting the first magnetic element 40 to prevent the reel 10 from bending due to dropping.

The third magnetic element 60 and the second magnetic element 50 are distributed at different positions on the periphery of the winding shaft 10, and both can provide a vertical upward force to the winding shaft 10, so as to avoid the winding shaft 10 from bending and deforming downwards.

As shown in fig. 1 and 2, the distribution positions of the first magnetic element 40, the second magnetic element 50, and the third magnetic element 60 may be set as needed. Wherein the positions of the third magnetic element 60 and the second magnetic element 50 are set according to the position of the first magnetic element 40. In the axial section F of the winding shaft 10, the third magnetic elements 60 should be distributed on the upper side of the axial section F, and the second magnetic elements 50 should be distributed on the lower side of the axial section F. The second magnetic element 50 and the third magnetic element 60 are respectively distributed in the magnetic force range of the first magnetic element 40, and thus can interact to provide an upward force to the reel 10 to prevent the reel 10 from dropping and deforming. The first magnetic element 40, the second magnetic element 50, and the third magnetic element 60 may be formed by arranging a plurality of small-sized magnetic elements in an array, or may be a single large magnetic element, which may be specifically configured as required. The number relationship between the first magnetic element 40 and the second and third

magnetic elements

50, 60 is that one first magnetic element 40 may correspond to one or more second and third

magnetic elements

50, 60.

Further, as shown in fig. 1 and 2, the apparatus may further include a reel box 70. The reel box 70 is hollow, and can cover the magnetic element fixing frame 30 and the reel 10 therein. The spool box 70 is shaped to facilitate installation. The reel 10 is rotatably disposed in the reel box 70, and the magnetic element fixing frame 30 is fixedly disposed in the reel box 70.

Further, as shown in fig. 1 and 2, the apparatus may further include a driving motor 80. The driving motor 80 is used for driving the reel 10 to rotate so as to wind. The driving motor 80 is fixedly disposed in the reel box 70, one end of which is fixedly connected to the spindle head bracket 20, and the other end of which is connected to the end of the reel 10. When the driving motor 80 is operated, the winding shaft 10 can rotate to drive the roller blind and the curtain to wind or unwind.

Further, as shown in fig. 1 and 2, the device further includes a hanging device 90. The hanger 90 is used for fixed installation. The hanging device 90 is disposed on the reel box 70 and is spaced apart from the top of the reel box 70. The hanger 90 may be selected from known hanger structures that suspend the entire device from a hanging point on a wall.

To describe the structure of the present invention in more detail, the following description is given in various embodiments:

example 1

As shown in fig. 3 and 4, the reel 10 is cylindrical, hollow inside, and made of a non-magnetic material, such as space aluminum.

The first magnetic element 40 is a magnet, and has a cylindrical shape (as shown in fig. 3) or a cylindrical shape (as shown in fig. 4), and the outer diameter of the magnet matches the inner diameter of the reel 10. N first magnetic elements 40 are provided, wherein N is more than or equal to 1. The first magnetic element 10 is sleeved in the scroll 10 and attached to the inner wall of the scroll 10.

When the number of the first magnetic elements 40 is 1, the first magnetic elements 40 are located at the center of the length of the reel 10.

When the first magnetic element 40 is provided in plurality, the plurality of first magnetic elements 40 located in the reel 10 are uniformly spaced.

As shown in fig. 3 and 4, the second magnetic element 50 is disposed on the magnetic element holder 30 at a position corresponding to the position of the first magnetic element 40. The second magnetic element 50 is a magnet. The second magnetic element 50 is located below the axial section F of the reel 10, and is entirely in a half arc shape surrounding the first magnetic element 40. At the position where the rolling curtain or curtain 110 is going in and out, the opening 100 is left without the second magnetic element 50. In this embodiment, the second magnetic element 50 is formed by a plurality of small magnet arrays. In other embodiments, the second magnetic element 50 may be a large magnet in the shape of an arc plate, on which the opening 100 is disposed.

The third magnetic element 60 is provided as needed. When the third magnetic element 60 is provided, the third magnetic element 60 is a magnet, and is disposed on the magnetic element fixing frame 30 at a position corresponding to the position of the first magnetic element 40. The third magnetic element 60 is located on the upper side of the cross section F of the reel 10, and is entirely planar or has a small arc shape. The third magnetic element 60 may be formed by a plurality of small magnets in an array, or may be a large magnet in a single piece, which may be specifically configured as required.

Example 2

As shown in fig. 5, the reel 10 includes a cylindrical inner cylinder 11 and an outer cylinder 12. The outer cylinder 12 and the inner cylinder 11 are coaxially arranged. The outer cylinder 12 can be driven by a driving device to rotate. The inner cylinder 11 may or may not rotate, and may be specifically provided as needed. The inner cylinder 11 and the outer cylinder 12 are spaced apart from each other, and an installation space for installing the first magnetic element 40 is formed therebetween.

The first magnetic element 40 is a magnet, and is cylindrical, and is sleeved on the inner cylinder 11 and located between the outer cylinder 12 and the inner cylinder 11. N first magnetic elements 40 are provided, wherein N is more than or equal to 1.

The second magnetic element 50 and the third magnetic element 60 are provided as in example 1.

Example 3

The structure of the reel 10 is the same as that of embodiment 2.

As shown in fig. 6 and 7, the first magnetic element 40 is a magnet in an arc shape, and is distributed along the circumferential direction of the inner tube 11 to surround the outer wall of the inner tube 11. The first magnetic elements are arranged on the same circumference to form a group. In this embodiment, N sets of first magnetic elements 40 are disposed along the length direction of the reel 10, wherein N is greater than or equal to 1. When N is 1, the first magnetic element 40 is disposed on the circumferential outer wall at the length center position of the reel 10. When multiple sets of first magnetic elements 40 are disposed along the length of the spool 10, they are uniformly spaced apart.

Example 4

As shown in fig. 8, the reel 10 has a cylindrical or columnar shape, and a plurality of magnet slots are provided on an outer circumferential wall thereof. The magnet slots are long and distributed along the circumferential direction of the reel 10 and are located on the outer wall of the reel 10. The plurality of magnet slots located on the same circumference are in a group, in this embodiment, N groups of magnet slots are arranged along the length direction of the reel 10, wherein N is greater than or equal to 1.

As shown in fig. 8, the first magnetic element 40 has an arc plate shape, and the shape thereof matches the shape of the magnet slot. The first magnetic elements 40 are respectively embedded in the magnet slots, and the outer surface of the first magnetic element 40 is flush with the circumferential outer surface of the winding shaft 10, so that the curtain 110 or the rolling curtain is not affected.

Example 5

As shown in fig. 9 and 10, the reel 10 includes several reel units 13 that can be spliced end to end. The length of the reel unit 13 may be set as desired. The length of each reel unit 13 may be uniform or nonuniform.

Each reel unit 13 includes a first connecting portion 131, a body portion 132, and a second connecting portion 133, which are integrally formed.

The first connection portion 131 is provided with an internal thread 1311 extending in the axial direction;

the body portion 132 has a cylindrical shape or a columnar shape.

The second connecting portion 133 has a cylindrical or cylindrical shape, and an outer diameter thereof is smaller than that of the body portion 132. A limit step 134 is formed between the second connecting portion 133 and the main body portion 132. An external thread 1331 is arranged on the outer wall of the second connecting part 133, and the external thread 1331 is matched with the internal thread 1311.

The adjacent two sections of the reel units 13 may be screwed together by screwing the second connecting portion 133 into the first connecting portion 131.

The first magnetic element 40 is a magnet, and has a cylindrical shape, and the outer diameter thereof is equal to the outer diameter of the body portion 132. The first magnetic element 40 can be sleeved on the second connecting portion 133. When two adjacent sections of the reel units 13 are screwed, the first magnetic element 40 is sleeved on the second connecting portion 133 and located between the two adjacent sections of the reel units 13, and two ends of the first magnetic element 40 are respectively abutted against the end surfaces of the first connecting portion 131 and the main body portion 132, so that the first magnetic element 40 is fixed on the reel 10.

When the first magnetic element 40 and each reel unit 13 are coupled together, the outer surface thereof is flush without affecting the winding of the roller blind or curtain 110.

The embodiment sets the reel 10 to be a structure spliced by the multi-segment reel units 13, which is beneficial to the installation and transportation of the reel 10 and the installation of the first magnetic element 40, and is convenient for adjusting the length of the reel 10 according to the requirement, thereby greatly improving the universality of the product and expanding the application range.

The second and third

magnetic elements

50 and 60 are provided as in example 1.

Example 6

As shown in fig. 11 and 12, the reel 10 includes several reel units 13. The length of the reel unit 13 may be set as desired. The length of each reel unit 13 may be uniform or nonuniform.

As shown in fig. 13 and 14, an axial insertion hole 135 is provided in an end portion of the reel unit 13. The axial insertion hole 135 is formed by an end surface of the reel unit 13 extending in the axial direction thereof. The shape of the axial insertion hole 135 is not limited, and the cross section thereof may be circular (as shown in fig. 13), square (as shown in fig. 14), or elliptical.

As shown in fig. 11 and 12, the first magnetic element 40 is provided at a portion where two adjacent sections of the reel units 13 are connected.

The first magnetic element 40 is elongated, and has two ends with shapes matching the shapes of the axial insertion holes 135, so that the first magnetic element can be inserted into the axial insertion holes 135. When the magnetic element is installed, two ends of the first magnetic element 40 are respectively inserted into the axial insertion holes 135 of two adjacent sections of the reel units 13, and the middle part of the first magnetic element 40 is located between the end faces of two adjacent sections of the reel units 13. Further, in order to maintain the rolling smoothness of the rolling curtain or curtain, the outer shape of the middle portion of the first magnetic element 40, i.e. the portion located between the end surfaces of two adjacent sections of the winding shaft units 13, should match the outer surface of the winding shaft unit 13 (as shown in fig. 11).

The shape of the two ends of the first magnetic element 40 may be the same as the shape of the middle of the first magnetic element (as shown in fig. 12), or may be different from the shape of the middle of the first magnetic element (as shown in fig. 11), and the shape of the two ends of the first magnetic element may be specifically set according to needs. To reduce costs, the axial insertion opening 135 may be configured as a cylindrical opening and the first magnetic element 40 may be configured as a cylindrical opening (as shown in fig. 12).

As shown in fig. 11 and 12, in order to ensure the first magnetic element 40 is firmly connected to the reel unit 13, a fastening hole 136 is provided at the proximal end of the reel unit 13, and the fastening hole 136 is radially disposed and penetrates through the axial insertion hole 135. In other words, the fastening hole 136 is perpendicular to the axial insertion hole 135. A fastening piece 137 is arranged in the fastening hole 136, and the fastening piece 137 can be rotated forwards and backwards to adjust the depth of the end part in the axial insertion hole 135. The fastener 137 can tightly press the first magnetic element 40 by its end portion, so that the first magnetic element 40 and the reel unit 13 are tightly connected together.

The number of the fastening holes 136 and the fastening members 137 may be set as needed.

Similarly, to avoid affecting the rolling smoothness of the roller blind and the curtain, the fastening hole 136 may be configured in the shape of a countersunk hole, and when the fastening member 137 is pressed against the first magnetic element 40, the end of the fastening member 137 is not beyond the outer surface of the winding shaft unit 13 and is located in the countersunk hole.

The embodiment sets the reel 10 into a structure spliced by the multi-section reel units 13, and the first magnetic element 40 is inserted between the reel units 13, so that the installation and the transportation of the reel 10 are facilitated, the installation of the first magnetic element 40 is facilitated, the length of the reel 10 can be conveniently adjusted according to needs, the universality of products can be greatly improved, and the application range is expanded.

The second and third

magnetic elements

50 and 60 are provided as in example 1.

Example 7

The basic structure of this embodiment is the same as embodiments 1 to 6, except that the first magnetic element 40, the second magnetic element 50, and the third magnetic element 60 are replaced by electromagnets.

When the magnet is replaced by an electromagnet, the principle is the same. Structurally, the cable that energizes the coil may pass from inside the spool 10 to outside the spool ends.

Example 8

The basic structure of this embodiment is the same as embodiments 1 to 6, except that the first magnetic element 40, the second magnetic element 50, and the third magnetic element 60 are combined by replacing magnets with magnets. For example, the first magnetic element 40 is a magnet, and the second magnetic element 50 is an electromagnet.

While the invention has been described with reference to the above embodiments, the scope of the invention is not limited thereto, and the above components may be replaced with similar or equivalent elements known to those skilled in the art without departing from the spirit of the invention.

Claims

1. A magnetic suspension type furling device comprises a scroll (10) in a long rod shape and shaft head brackets (20) arranged at two ends of the scroll (10) and used for supporting the scroll (10), wherein the scroll (10) can rotate relative to the shaft head brackets (20), characterized in that the magnetic element fixing device also comprises a first magnetic element (40), a second magnetic element (50) and a magnetic element fixing frame (30), the first magnetic element (40) is arranged in a non-end position of the reel (10), the second magnetic element (50) is arranged on the magnetic element fixing frame (30) and is opposite to the first magnetic element (40), the second magnetic element (50) being spaced from the first magnetic element (40), and the second magnetic element (50) and the first magnetic element (40) repel each other to provide an upward supporting force for the reel (10) to suspend and support the reel (10).

2. The magnetic levitation type furling device according to claim 1, further comprising a third magnetic element (60), wherein the third magnetic element (60) is disposed on the magnetic element fixing frame (30) and is opposite to the first magnetic element (40), the third magnetic element (60) is spaced apart from the first magnetic element (40), and the third magnetic element (60) attracts the first magnetic element (40) to pull the spool (10) upward to prevent the spool (10) from bending downward.

3. The magnetic levitation type furling device according to claim 2, wherein the first magnetic element, the second magnetic element and the third magnetic element are one or more of magnets and electromagnets.

4. A magnetic levitation type furling device according to claim 1 or 2, wherein the reel (10) comprises a plurality of reel units (13) which can be spliced end to end, and the first magnetic element (40) is provided at a portion where two adjacent reel units (13) are connected.

5. The magnetic levitation type furling device according to claim 4, wherein the end of the reel unit (13) is provided with an axial insertion hole (135) extending axially from the end surface thereof, and the first magnetic element (40) is elongated and has two ends respectively inserted into the axial insertion holes (135) of two adjacent reel units (13).

6. The magnetic suspension type furling device according to claim 4, characterized in that the reel unit (13) comprises a first connecting part (131), a main body part (132) and a second connecting part (133) which are integrally formed, respectively, the first connecting part (131) is provided with an internal thread (1311) extending along an axial direction, the main body part (132) is cylindrical or columniform, the second connecting part (133) is cylindrical or columniform, and an external thread (1331) matching with the internal thread (1311) is provided on an outer wall of the second connecting part (133); two adjacent sections of reel units (13) are connected together through a second connecting part (133) in a threaded manner in the first connecting part (131); the first magnetic element (40) is sleeved on the second connecting part (133) and fixed between two adjacent sections of reel units (13).

7. The magnetic suspension type furling device according to claim 6, wherein an outer diameter of the second connecting portion (133) is smaller than an outer diameter of the main body portion (132), a limit step (134) is formed between the second connecting portion (133) and the main body portion (132), the first magnetic element (40) is disposed at the limit step (134), and two ends of the first magnetic element (40) are respectively abutted against an end surface of the main body portion (132) and an end surface of the first connecting portion (131).

8. A magnetic suspension type furling device according to claim 1 or 2, characterized in that the winding shaft (10) is cylindrical, the first magnetic element (40) is cylindrical or columnar, and the first magnetic element (40) is sleeved in the winding shaft (10) and is attached to the inner wall of the winding shaft (10).

9. A magnetic suspension type furling device according to claim 1 or 2, characterized in that the reel (10) comprises an outer cylinder (12) and an inner cylinder (11) which are cylindrical, the outer cylinder (12) and the inner cylinder (11) are coaxially arranged and spaced from each other, and the first magnetic element (40) is fixedly arranged between the outer cylinder (12) and the inner cylinder (11).

10. The magnetic suspension type furling device according to claim 1 or 2, characterized in that a plurality of magnet slots are arranged on the circumferential outer wall of the winding shaft (10), the first magnetic element (40) is embedded in the magnet slots, and the outer wall of the first magnetic element (40) is flush with the circumferential outer wall of the winding shaft (10).

11. A magnetic levitation type furling device according to claim 1 or 2, further comprising a reel case (70), a driving motor (80) and a hanger (90),

the driving motor (80) is fixedly arranged in the reel box (70), one end of the driving motor is fixedly connected with the spindle head bracket (20), and the other end of the driving motor is connected with the end part of the rotating shaft; the hanging devices (90) are uniformly distributed on the reel box (70) at intervals;

the reel (10) is rotatably arranged in the reel box (70), and the magnetic element fixing frame (30) is fixedly arranged in the reel box (70).