CN114873084B - Food nutrition enhancer storage device - Google Patents

Abstract

The invention discloses a food nutrition enhancer storage device, which comprises a barrel, wherein a cover cap is arranged on the barrel, an opening is arranged at the top of the cover cap, and a movable door plate is arranged at the position of the opening; the outer shaft penetrates through the cap, the food nutrition enhancer storage device utilizes the cooperation of the partition plate, the outer shaft, the inner shaft and the sealing sliding shovel mechanism to quantitatively transfer the nutrition enhancer below the partition plate to the upper part of the partition plate according to the edible requirement, and the upper space and the lower space of the partition plate are partitioned by the partition plate, so that the contact of the air with the nutrition enhancer in the process of taking the nutrition enhancer above the partition plate is effectively avoided, the nutrition enhancer in the process of transferring the nutrition enhancer below the partition plate to the space above the partition plate is transferred to the upper part of the partition plate, the nutrition enhancer stored below the partition plate is effectively prevented from being contacted with the air, and the property of the nutrition enhancer in the continuous use process is effectively ensured.

Description

A storage device for food nutrition enhancer

technical field

The invention relates to the technical field of nutrition enhancer storage, in particular to a food nutrition enhancer storage device.

Background technique

Food nutrition fortifier refers to the natural or natural food additives that are added to food to increase nutrients artificially. It is one of the important methods advocated internationally to improve the nutritional status of residents. Nutrients are added to specific foods to increase the intake of these nutrients in the population, thereby correcting or preventing micronutrient deficiencies and other related diseases.

In China, it is routinely divided into four categories: minerals, vitamins, amino acids and other nutrients. In daily life, especially for water-soluble nutritional fortifiers, such as powdered calcium gluconate and calcium bicarbonate for calcium supplementation, they are usually filled or bagged during continuous use. During continuous use, it is necessary to avoid contact with the air as much as possible, and it is impossible to avoid air coming in and out of this kind of filling or bagged nutritional supplement every time it is taken, and a large area of contact with the nutritional supplement , if things go on like this, it is very easy to change the properties of food nutrition fortifiers, and then affect the use. Therefore, we propose a storage device for food nutrition fortifiers.

Contents of the invention

The object of the present invention is to provide a food nutrition fortifier storage device to solve the problems raised in the above background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a food nutrition enhancer storage device, including a cylinder, a cap is installed on the cylinder, an opening is provided on the top of the cap, and a movable door panel;

In addition, an outer shaft is provided through the cap, and a partition is provided at one end of the outer shaft located in the cylinder. The partition seamlessly abuts against the inner wall of the cylinder, and a penetrating through holes;

It also includes a sealing sliding shovel mechanism installed at the bottom of the partition, an inner hole through which is opened in the outer shaft, and an inner shaft is arranged in the inner hole, and the inner shaft is connected with the sealing sliding shovel mechanism. When the through hole is not blocked, use the sealing sliding shovel mechanism to send the nutrition enhancer at the bottom of the partition to the top of the partition through the through hole, and use the inner shaft to drive the sealing sliding shovel mechanism to seal the through hole, In order to cut off the contact of the nutrition enhancer under the partition with the air.

As a preference, the cap is threadedly installed at the barrel mouth of the barrel, and a through screw hole is opened on the cap, the outer shaft is a screw structure, and the thread passes through the screw hole, and a grip is installed on the top end Knob 1 drives the partition to rotate by rotating the outer shaft, and uses the sealing sliding shovel mechanism to send the lower nutrition enhancer to the top of the partition.

Preferably, the sealing sliding shovel mechanism includes a sealing cover plate hinged at the bottom of the partition, the sealing cover plate covers and seals at the through hole, and a linkage is provided between the sealing cover plate and the inner shaft , the inner shaft utilizes a linkage to drive the closure flap to deflect in its hinged position.

Preferably, the linkage includes a bearing collar installed at the bottom end of the inner shaft, and a top shaft corresponding to the sealing cover plate is installed on the side of the bearing collar, and the top shaft is made of iron. And abut against the sealing cover plate, and a magnet is embedded on the side of the sealing cover plate facing the top shaft, and when the inner shaft is rotated, the top shaft is driven to rotate, and the top shaft pushes the sealing cover plate The deflection covers the through hole, and when the inner shaft is reversely rotated, the magnet absorbs the top shaft and drives the sealing cover plate to follow the top shaft to move and open.

As a preference, the inner hole is a threaded hole, the inner shaft is a screw structure provided with threads on the surface, and its thread runs through the inner hole, and a grip knob 2 is arranged at its top, and the inner shaft is rotated When the top shaft is used to close the sealing cover, the inner shaft spirals upwards to drive the top shaft to press the sealing cover in the longitudinal direction.

Preferably, a folded edge extending toward the bottom of the cylinder is provided on a side of the sealing cover plate away from its hinged position.

Preferably, the outer shaft includes a fixed section 1 fixed to the partition, and a plurality of movable sections 1 are arranged in sequence at the end of the fixed section 1 away from the partition, and the fixed section 1 and the adjacent movable section 1 Hinged, any one of the movable sections is hinged with the adjacent movable section one, and the adjacent hinged positions are respectively located on one side of the movable section one, that is, the left and right are sequentially dislocated;

And at the ends of the fixed section one and the adjacent movable section one and each adjacent movable section one, magnet two and magnet three are respectively embedded, and the magnetic poles of the opposing surfaces of the magnet two and magnet three are opposite, and the holding Knob one is installed at the end of the most side movable section one.

As a preference, a sunken groove is provided at the side positions of the fixed section 1, the adjacent movable section 1 and each adjacent movable section 1, and the connection is installed in the sinking groove with a hinge so that it is embedded in the outer shaft. , to avoid affecting its surface thread structure.

Preferably, the inner shaft includes a fixed section 2 slidingly sleeved in the fixed section 1, the bottom end of the fixed section 2 extends to the outside of the fixed section 1, and the bearing collar is installed on the bottom end of the fixed section 2;

In addition, a plurality of movable sections 2 are sequentially arranged at the end of the fixed section 2 away from the carrying collar, and connecting pieces are arranged between the fixed section 2 and adjacent movable sections 2 and between adjacent movable sections 2 , using the second connecting piece to bend the inner shaft and the outer shaft on the same track.

Preferably, the connecting piece includes a polygonal cylinder, wherein the second fixed section is hinged to the polygonal cylinder at this position, and the remaining polygonal cylinders are respectively hinged to the end of the second movable section below the middle of the adjacent second movable section, and The hinged position is the same as the hinged position between the fixed segment one and the movable segment one and corresponds to each other;

And the ends of the second movable section adjacent to the polygonal cylinder are provided with polygonal grooves matching the polygonal cylinder, and the ends of the polygonal cylinder are movably inserted into the multilateral groove;

And between the fixed section 2 and the adjacent movable section 2 and each adjacent movable section 2, magnets 4 and 5 are respectively embedded, and the magnetic poles of the opposing surfaces of the magnets 4 and 5 are opposite.

Compared with prior art, the beneficial effect of the present invention is:

The present invention is different from the prior art in that during the daily storage and use of the food nutrition enhancer, the nutrition enhancer under the divider can be used in conjunction with the partition plate, the outer shaft, the inner shaft and the sealing sliding shovel mechanism according to the consumption Quantitatively transfer to the top of the partition as required, and use the partition to separate the upper and lower spaces. In the process of taking the nutrition enhancer above the partition, it can effectively prevent the air from contacting the nutrition enhancer in a large area during the process. And in the process of transferring the nutritional enhancer under the partition to the upper part of the partition, the nutritional enhancer in contact with the space above the partition is transferred to the upper part of the partition, thereby effectively preventing the nutritional enhancer stored under the partition from contacting the air , thus effectively guaranteeing the properties of the nutritional fortifier during continuous use.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of Embodiment 1 of the present invention;

Fig. 2 is a schematic diagram of the open state of the movable door panel of the present invention;

Fig. 3 is a schematic diagram of the dismantled state of the cap shown in Fig. 1 of the present invention;

Fig. 4 is the schematic diagram of the plane partial sectional structure of Fig. 1 of the present invention;

Fig. 5 is a schematic diagram of the cylinder structure omitted from Fig. 2 of the present invention;

Fig. 6 is a schematic diagram of another azimuth structure in Fig. 5 of the present invention;

Fig. 7 is a schematic diagram of the partial explosion structure in Fig. 6 of the present invention;

Fig. 8 is a schematic diagram of the structure of the outer shaft of the present invention;

Fig. 9 is a schematic diagram of a partial plane sectional structure of the outer shaft of the present invention;

Fig. 10 is a schematic diagram of the structure of the inner shaft of the present invention;

Fig. 11 is a schematic diagram of the partial explosion structure in Fig. 10 of the present invention;

Fig. 12 is a schematic diagram of another orientation structure in Fig. 11 of the present invention;

Fig. 13 is a schematic diagram of the cross-sectional plane of the inner shaft of the present invention;

Fig. 14 is a schematic diagram of the overall structure of Embodiment 2 of the present invention.

In the figure: 1, barrel; 11, cap; 12, opening; 13, movable door panel; 14, partition; 15, through hole; 16, screw hole; 17, holding knob one; 18, folding edge; Outer shaft; 21, inner hole; 22, fixed section one; 23, movable section one; 24, magnet two; 25, magnet three; Linkage piece; 321, carrying collar; 322, top shaft; 323, magnet one; 4, inner shaft; 41, grip knob two; 42, fixed section two; 43, movable section two; 44, connecting piece; 441 , polygon cylinder; 442, polygon groove; 443, magnet four; 444, magnet five; 5, brush ring.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Please refer to Figures 1-13, the present invention provides a technical solution: a food nutrition enhancer storage device, including a cylinder 1, the cylinder 1 is used to store the food nutrition enhancer, and a cap 11 is installed on the cylinder 1, The top of the cap 11 is provided with an opening 12, and a movable door 13 is installed at the position of the opening 12, and the design of the movable door 13 and the opening 12 is used to directly dump the nutritional enhancer in the barrel 1;

And the outer shaft 2 is provided through the cap 11, and a partition 14 is provided at one end of the outer shaft 2 inside the cylinder 1. The partition 14 is in seamless contact with the inner wall of the cylinder 1, and a penetrating through-hole 15;

It also includes a sealing sliding shovel mechanism 3 installed at the bottom of the partition 14. The outer shaft 2 is provided with a through inner hole 21, and the inner shaft 4 is arranged in the inner hole 21, and the inner shaft 4 is connected with the sealing sliding shovel mechanism 3. , when the through hole 15 is not blocked, the nutritional enhancer at the bottom of the partition 14 is sent to the top of the partition 14 through the through hole 15 by using the sealing sliding shovel mechanism 3, and the sealing sliding shovel mechanism 3 can be driven to seal the through hole by using the inner shaft 4. 15 is blocked, to cut off the contact of the nutritional fortifier below the dividing plate 14 with the air.

Further, the cap 11 is threadedly mounted on the mouth of the cylinder body 1, and a through screw hole 16 is opened on the cap 11, the outer shaft 2 is a screw structure, and the thread passes through the screw hole 16, and a grip is installed on the top end. Knob one 17 drives the partition 14 to rotate by rotating the outer shaft 2, and uses the screw of the outer shaft 2 to move down in the screw hole 16, and uses the sealing sliding shovel mechanism 3 to send the lower nutrition enhancer to the top of the partition 14 .

For the above-mentioned feature sealing sliding shovel mechanism 3, as a technical means, it includes a sealing cover plate 31 hinged at the bottom of the partition plate 14, the sealing cover plate 31 covers the through hole 15 for sealing, and the sealing cover plate 31 and the inside A linkage 32 is arranged between the shafts 4. The linkage 32 includes a bearing collar 321 installed at the bottom of the inner shaft 4, and a top shaft corresponding to the sealing cover 31 is installed on the side of the bearing collar 321. 322, the top shaft 322 is iron, and abuts against the sealing cover plate 31, and a magnet one 323 is embedded on the side of the sealing cover plate 31 facing the top shaft 322, and the top shaft 322 is driven to rotate when the inner shaft 4 is rotated , and the top shaft 322 pushes the sealing cover plate 31 to deflect to cover the through hole 15, and when the inner shaft 4 is rotated in the reverse direction, the magnet one 323 absorbs the top shaft 322 and drives the sealing cover plate 31 to follow the top shaft 322 to move and open, and then in the transfer When the nutrition enhancer is under the partition 14, the inner shaft 4 is set to rotate to drive the top shaft 322 to displace with the sealing cover 31. At this time, the magnetic attraction is used to pull the sealing cover 31 to open, and then the outer shaft 2 is rotated at the same time. It should be noted that, After the top shaft 322 and the sealing cover plate 31 are misaligned, the inner shaft 4 cannot continue to rotate, so when the outer shaft 2 rotates, it drives the inner shaft 4 to rotate synchronously, driving the partition 14 to rotate and move down, and then in the process of moving down Insert the sealing cover plate 31 into the nutritional fortifier below, and send it to the top of the partition 14 by rotation;

After the transfer of the applicable amount is completed, the inner shaft 4 is independently rotated to reset, and the top shaft 322 moves the sealing cover plate 31 to block the through hole 15, so that the upper and lower spaces of the partition plate 14 are separated, and then the movable door panel 13 is opened to seal the partition plate 14. Just pour out the nutrition enhancer above.

Further, the inner hole 21 is a threaded hole, the inner shaft 4 is a screw structure with threads on the surface, and its thread runs through the inner hole 21, and a grip knob 2 41 is arranged on its top, and the inner shaft 4 is rotated to When the top shaft 322 is used to close the sealing cover 31, the inner shaft 4 spirals upwards, which can drive the top shaft 322 to squeeze the sealing cover 31 in the longitudinal direction, thereby providing a better sealing effect for the through hole 15 and further preventing air from flowing Leakage above the bulkhead 14 to the stored nutritional supplement below the bulkhead 14 .

Further, on the side of the sealing cover plate 31 far away from its hinged position, there is a flange 18 extending toward the bottom of the cylinder. Through the design of the flange 18, the flange 18 can be used when the inner shaft 4 is reversely rotated to reset. Toss the nutritional booster stored below to make it fluffy for subsequent slide transfers.

For the above-mentioned characteristic outer shaft 2, as a technical means, it includes a fixed section-22 fixed to the partition 14, and a plurality of movable sections-23 are arranged in sequence at the end of the fixed section-22 away from the partition 14. Segment 1 22 is hinged with adjacent movable segment 1 23, any movable segment 1 23 is hinged with adjacent movable segment 1 23, and the adjacent hinged positions are respectively located on one side of movable segment 1 23, that is, the distribution of dislocation in sequence from left to right;

Further, a sunken groove 26 is provided at the side positions of the fixed section one 22 and the adjacent movable section one 23 and each adjacent movable section one 23, and its connection is hinged to be installed in the sunken groove 26 so that it is embedded In the outer shaft 2, avoid affecting its surface thread structure, so as to ensure its stable spiral lifting and lowering;

And at fixed section one 22 and the end of adjacent movable section one 23 and each adjacent movable section one 23, be embedded with magnet two 24 and magnet three 25 respectively, magnet two 24 and magnet three 25 opposite magnetic poles are opposite, and hold Holding knob one 17 is installed on the end of the most side movable section one 23;

Through the above design, the outer shaft 2 can be folded, and the space occupied by the device as a whole can be effectively reduced by its folding, and the design of the second magnet 24 and the third magnet 25 can be used to conveniently combine the outer shaft 2 for vertical Positioning, when in need of use, directly pull the grip knob-17 to ensure that the shaft body is relatively vertical, thereby facilitating its spiral lifting.

For the above-mentioned characteristic inner shaft 4, as a technical means, it includes a fixed section 2 42 slidingly sleeved in the fixed section 1 22, the bottom end of the fixed section 2 42 extends to the outside of the fixed section 22, and the bearing collar 321 is installed At the bottom of the fixed section 2 42;

And at the end of the fixed section 2 42 away from the bearing collar 321, a plurality of movable sections 43 are sequentially arranged, and between the fixed section 2 42 and the adjacent movable section 43 and between each adjacent movable section 2 43 A connecting piece 44 is provided;

Further, the connector 44 includes a polygonal cylinder 441, wherein the fixed section 2 42 is hinged to the polygonal cylinder 441 at this position, and the remaining polygonal cylinders 441 are respectively hinged to the movable section 2 43 below the adjacent movable section 2 43 end, and the hinge position is the same as the hinge position between the fixed section one 22 and the movable section one 23 and corresponds one by one;

And at the end of the movable section 2 43 adjacent to the polygonal cylinder 441, a polygonal groove 442 matching the polygonal cylinder 441 is provided, and the end of the polygonal cylinder 441 is movably inserted into the polygonal groove 442;

And between the fixed section two 42 and the adjacent movable section two 43 and each adjacent movable section two 43, magnets four 443 and magnets five 444 are respectively embedded, and the opposite magnetic poles of magnet four 443 and magnet five 444 are opposite;

Furthermore, in actual use, the design of the fixed section 2 42 and the movable section 43 is also for the folding of the shaft body, but it should be noted that the inner shaft 4 is sleeved in the outer shaft 2, and the combination of the shaft body is It is realized by hinges, so the inner shaft 4 must not be well adapted to the structure of the outer shaft 2 to fold synchronously. At this time, the movement of the polygonal cylinder 441 in the polygonal groove 442 is used to make up for the inner shaft 4 and the outer shaft 2. In the process of flipping and folding on the same track, due to the problem of inability to fold due to the difference in diameter of the shaft body, the stable and synchronous folding of the inner shaft 4 and the outer shaft 2 is ensured to reduce space occupation.

Example 2

Referring to Fig. 14, the present invention provides another technical solution on the basis of Embodiment 1: for the above-mentioned feature partition 14, a brush ring 5 is provided at the side of the bottom of the partition 14, and the brush ring 5 is connected with the barrel The sides of the body 1 are in contact with each other. This design can clean the part of the cylinder body that the partition 14 is about to contact during use, especially when the partition 14 moves down to transfer the nutritional fortifier below, thereby effectively avoiding The nutritional fortifier remains in the cylinder body and is squeezed between the partition 14 and the cylinder body to affect the continuous and stable partition use of the partition 14 .

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (7)

1. A food nutrition enhancer storage device, comprising a barrel (1), characterized in that: a cap (11) is arranged on the cylinder body (1), an opening (12) is arranged at the top of the cap (11), and a movable door plate (13) is arranged at the position of the opening (12);

an outer shaft (2) is arranged on the cap (11) in a penetrating manner, a partition plate (14) is arranged at one end of the outer shaft (2) positioned in the cylinder (1), the partition plate (14) is in seamless abutting joint with the inner wall of the cylinder (1), and a penetrating through hole (15) is formed in the partition plate (14);

the sealing sliding shovel mechanism (3) is arranged at the bottom of the partition plate (14), a penetrating inner hole (21) is formed in the outer shaft (2), an inner shaft (4) is arranged in the inner hole (21), the inner shaft (4) is connected with the sealing sliding shovel mechanism (3), when the through hole (15) is not plugged, the sealing sliding shovel mechanism (3) is used for conveying a nutrition enhancer at the bottom of the partition plate (14) to the upper part of the partition plate (14) through the through hole (15), and the inner shaft (4) can drive the sealing sliding shovel mechanism (3) to plug the through hole (15) so as to prevent the nutrition enhancer below the partition plate (14) from contacting air;

the cap (11) is arranged at the position of a cylinder opening of the cylinder body (1) in a threaded manner, a penetrating screw hole (16) is formed in the cap (11), the outer shaft (2) is of a screw structure, the threads penetrate through the screw hole (16), a holding knob I (17) is arranged at the top end of the outer shaft, the outer shaft (2) is rotated to drive the partition plate (14) to rotate, and the sealing sliding shovel mechanism (3) is utilized to convey the nutrition enhancer below to the position above the partition plate (14);

the sealing sliding shovel mechanism (3) comprises a sealing cover plate (31) hinged to the bottom of the partition plate (14), the sealing cover plate (31) is covered and sealed at the through hole (15), a linkage piece (32) is arranged between the sealing cover plate (31) and the inner shaft (4), and the inner shaft (4) drives the sealing cover plate (31) to deflect at the hinged position by utilizing the linkage piece (32);

the interlocking piece (32) comprises a bearing collar (321) arranged at the bottom end of the inner shaft (4), a top shaft (322) corresponding to the sealing cover plates (31) one by one is arranged at the side edge of the bearing collar (321), the top shaft (322) is made of iron and is abutted to the sealing cover plates (31), a magnet I (323) is embedded on one side, opposite to the top shaft (322), of the sealing cover plates (31), the top shaft (322) is driven to rotate when the inner shaft (4) rotates, the top shaft (322) pushes the sealing cover plates (31) to deflect to cover the through holes (15), and when the inner shaft (4) rotates reversely, the magnet I (323) adsorbs the top shaft (322) to drive the sealing cover plates (31) to move to open along with the top shaft (322).

2. A food nutrition enhancer storage device as set forth in claim 1, wherein: the inner shaft (4) is of a threaded hole with threads, the surface of the inner shaft (4) is provided with a threaded rod structure, the threads penetrate through the inner hole (21), the top end of the inner shaft is provided with a holding knob II (41), when the inner shaft (4) is rotated to close the sealing cover plate (31) by using the top shaft (322), the inner shaft (4) is spirally upwards so as to drive the top shaft (322) to longitudinally extrude the sealing cover plate (31).

3. A food nutrition enhancer storage device as set forth in claim 2 wherein: a flange (18) extending towards the bottom direction is arranged on one side of the sealing cover plate (31) away from the hinge position.

4. A food nutrition enhancer storage device as set forth in claim 3, wherein: the outer shaft (2) comprises a first fixed section (22) fixed with the partition plate (14), a plurality of first movable sections (23) are sequentially arranged at one end, far away from the partition plate (14), of the first fixed section (22), the first fixed section (22) is hinged with a first adjacent movable section (23), any first movable section (23) is hinged with the first adjacent movable section (23), and adjacent hinged positions are respectively positioned at one side of the first movable section (23), namely, the two adjacent hinged positions are distributed in a staggered mode;

and a second magnet (24) and a third magnet (25) are respectively embedded at the end parts of the first fixed section (22) and the adjacent movable sections (23) as well as the end parts of the adjacent movable sections (23), the opposite surface magnetic poles of the second magnet (24) and the third magnet (25) are opposite, and the first holding knob (17) is arranged at the end part of the first movable section (23) at the extreme side.

5. A food nutrition enhancer storage device as set forth in claim 4, wherein: the fixed section I (22), the adjacent movable sections I (23) and the side edges of the adjacent movable sections I (23) are respectively provided with a sinking groove (26), and the connecting hinges are arranged in the sinking grooves (26) so as to enable the connecting hinges to be embedded in the outer shaft (2) and avoid affecting the surface thread structure of the connecting hinges.

6. A food nutrition enhancer storage device as set forth in claim 5, wherein: the inner shaft (4) comprises a second fixed section (42) which is sleeved in the first fixed section (22) in a sliding manner, the bottom end of the second fixed section (42) extends to the outer side of the first fixed section (22), and the bearing collar (321) is arranged at the bottom end of the second fixed section (42);

and a plurality of second movable sections (43) are sequentially arranged at one end, far away from the bearing collar (321), of the second fixed section (42), connecting pieces (44) are arranged between the second fixed section (42) and the second adjacent movable sections (43) and between the second adjacent movable sections (43), and the inner shaft (4) and the outer shaft (2) are bent in the same track by the aid of the connecting pieces (44).

7. A food nutrition enhancer storage device as set forth in claim 6, wherein: the connecting piece (44) comprises a polygonal column body (441), wherein the second fixed section (42) is hinged with the polygonal column body (441) at the position, the other polygonal column bodies (441) are respectively hinged at the end part of the second movable section (43) below the middle of the second adjacent movable section (43), and the hinging positions are the same as and correspond to the hinging positions between the first fixed section (22) and the first movable section (23) one by one;

the end parts of the movable sections II (43) adjacent to the polygonal column body (441) are provided with polygonal grooves (442) matched with the polygonal column body (441), and the end parts of the polygonal column body (441) are movably inserted into the polygonal grooves (442);

and a magnet four (443) and a magnet five (444) are respectively embedded between the fixed section two (42) and the adjacent movable section two (43) and between the adjacent movable sections two (43), and the magnetic poles of the opposite surfaces of the magnet four (443) and the magnet five (444) are opposite.

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