Chlorella tianshan and chlorella deep purification factor multi-stage cyclic extraction equipment

By designing a multi-stage cyclic extraction and stirring device, the problems of low extraction efficiency and large consumption of cleaning liquid in existing equipment are solved, and the effect of efficient extraction and saving cleaning liquid is achieved.

CN119499712APending Publication Date: 2025-02-25SHANGHAI JIAYU BIOLOGICAL TECH CO LTD
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Patent Information

Application Number
CN202510088023.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2025-02-25

AI Technical Summary

Technical Problem

The current Chlorella extraction equipment has low extraction efficiency, and the cleaning process consumes a large amount of cleaning liquid, and does not save costs.

Method used

A multi-stage cyclic extraction equipment for deep purification factors of Chlorella and Chlorella is designed. Multi-stage cyclic extraction and stirring device are adopted. Through the design of the stirring shaft and spiral blades, the solvent and Chlorella raw materials are fully mixed and multi-stage extraction, and the inner wall of the extraction tank is efficiently cleaned by the cleaning device to save cleaning liquid.

Benefits of technology

Improves extraction efficiency and cleaning efficiency, saves cleaning liquid, and reduces operating costs.

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Abstract

The invention relates to the technical field of extraction and separation equipment, and particularly discloses tianshan chlorella and chlorella deep purification factor multi-stage circulation extraction equipment which comprises an extraction tank, a first feed port and a second feed port are formed in the top of the extraction tank, the bottom of the extraction tank is arranged in an inverted frustum shape, and the first feed port and the second feed port are communicated with each other. A discharging structure is arranged at the bottom of the extraction tank; the stirring device comprises a stirring shaft, the stirring shaft is rotatably mounted in the extraction tank, a first spiral blade is arranged on the side wall of the stirring shaft, and two first supporting rods, two second supporting rods and two third supporting rods are sequentially arranged on the side wall of the stirring shaft from top to bottom; second spiral blades are arranged between the first supporting rods and the second supporting rods away from the first supporting rods. According to the invention, the mixing effect of the solvent and the chlorella tianshan raw material is improved, the extraction efficiency is improved, the cleaning liquid is saved, and the cleaning efficiency is improved.
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Description

Technical Field

[0001] The invention relates to the technical field of extraction and separation equipment, and in particular to a multi-stage circulation extraction equipment for Tianshan Chlorella and Chlorella deep purification factors. Background Art

[0002] Chlorella is a single-cell green algae rich in various nutrients (such as protein, vitamins, minerals, etc.). The Chlorella in the Tianshan region may have unique properties due to the special geographical environment. The deep purification factor of Chlorella has potential high-value applications, such as in the fields of medicine, health products and environmental purification.

[0003] During the use of Chlorella extraction equipment, the solvent and raw materials are generally stirred by conventional stirring blades, resulting in insufficient extraction efficiency. After the equipment is used, it is generally necessary to rinse it with cleaning fluid, and the cleaning process consumes a large amount of cleaning fluid, which is not cost-effective. Summary of the invention

[0004] In order to solve the above problems existing in the prior art, the present invention provides a multi-stage circulation extraction device for Tianshan Chlorella and Chlorella deep purification factor, which can solve the problems raised in the above background technology.

[0005] The purpose of the present invention can be achieved through the following technical solutions: A multi-stage circulation extraction device for Tianshan Chlorella and Chlorella deep purification factor, comprising: An extraction tank, wherein a first feed inlet is disposed on the top of the extraction tank, a second feed inlet is disposed on the top of the extraction tank, the bottom of the extraction tank is disposed in an inverted frustum, and a discharge structure is disposed on the bottom of the extraction tank; A stirring device, the stirring device comprising a stirring shaft, the stirring shaft is rotatably installed in the extraction tank, the side wall of the stirring shaft is provided with a first spiral blade, the side wall of the stirring shaft is provided with two first support rods, two second support rods and two third support rods in sequence from top to bottom, the second spiral blade is provided between the first support rod and the second support rod which is far away from each other, the third spiral blade is provided between the second support rod and the third support rod which is far away from each other, and the top of the extraction tank is provided with a driving mechanism for driving the stirring shaft to rotate; A cleaning device, the cleaning device comprising two scraping rods, the scraping rods are used to clean the inner wall of the extraction tank, a first fixing rod is arranged between the bottoms of the two scraping rods, a second fixing rod is arranged on the sides of the tops of the two scraping rods facing each other, a connecting seat is arranged between the two second fixing rods, and the connecting seat is arranged to penetrate the stirring shaft; The limiting device includes a lifting plate, the side wall of the stirring shaft is provided with three limiting bars, the lifting plate is slidably installed on the side wall of the stirring shaft through the limiting bars, the bottom end of the lifting plate is provided with three first clamping blocks, and the top end of the connecting seat is provided with three second clamping blocks.

[0006] Preferably, the first feed port and the second feed port are both used for conveying solvent, and the extraction tank is provided with a circulation heating system, which preheats the solvent through an external heater and then conveys the preheated solvent into the extraction tank for extraction.

[0007] Preferably, the discharge structure comprises a discharge pipe, the discharge pipe passes through and is fixedly installed at the bottom end of the extraction tank, and a solenoid valve is provided on the side wall of the discharge pipe.

[0008] Preferably, three supporting feet distributed in an array are provided at the bottom end of the extraction tank, and rubber pads are provided at the bottom ends of the supporting feet.

[0009] Preferably, the second spiral blade is arranged in a half circle, the spiral radius of the second spiral blade is fixed from top to bottom, the two second spiral blades are arranged symmetrically to the center, and the second spiral blade and the first spiral blade have opposite rotation directions.

[0010] Preferably, the third spiral blade is arranged in a half circle, the spiral radius of the third spiral blade gradually decreases from top to bottom, the two third spiral blades are arranged in central symmetry, the third spiral blade matches the inclination of the inner wall of the bottom of the extraction tank, and the third spiral blade has an opposite rotation direction to the first spiral blade.

[0011] Preferably, the driving mechanism comprises a motor, the motor is fixedly mounted on the top of the extraction tank, and the output shaft of the motor is fixedly connected to the top of the stirring shaft via a coupling.

[0012] Preferably, the top surfaces of the first clamping block and the second clamping block are both fan-shaped, the fan-shaped arc of the first clamping block and the second clamping block is 60 degrees, the bottom end of the first clamping block is provided with a bevel, and the top end of the second clamping block is provided with a bevel.

[0013] Preferably, the limiting device also includes a magnetic attraction device, which includes a support plate, which is fixedly mounted on the side wall of the stirring shaft, and the support plate is located above the lifting plate. Two bistable electromagnets are arranged at the bottom end of the support plate, and a magnet ring is arranged at the top end of the lifting plate.

[0014] Preferably, the limiting device also includes an elastic supporting device, which includes a limiting spring, and the limiting spring is located between the supporting plate and the lifting plate. The top and bottom ends of the limiting spring are both provided with supporting ring plates, and the bottom end of the supporting plate is provided with a limiting ring, and the limiting ring and the magnet ring are respectively rotatably connected to adjacent supporting ring plates.

[0015] The beneficial effects of the present invention are: 1. By setting a stirring device, a first feed inlet is set at the top of the extraction tank, a second feed inlet is set at the top of the extraction tank, the bottom of the extraction tank is set in an inverted cone, a discharge structure is set at the bottom of the extraction tank, the stirring device includes a stirring shaft, the stirring shaft is rotatably installed in the extraction tank, a first spiral blade is set on the side wall of the stirring shaft, two first support rods, two second support rods and two third support rods are sequentially set on the side wall of the stirring shaft from top to bottom, a second spiral blade is set between the first support rod and the second support rod separated from each other, a third spiral blade is set between the second support rod and the third support rod separated from each other, and a driving mechanism for driving the stirring shaft to rotate is set on the top of the extraction tank; The preheated solvent and Tianshan Chlorella raw material are fed into the extraction tank through the first feed port and the second feed port for extraction. The stirring device ensures that the Chlorella and the solvent are fully mixed. The motor drives the stirring shaft to rotate. The first spiral blade rotates synchronously with the stirring shaft, driving the solvent and Tianshan Chlorella raw material in the middle of the extraction tank to flow to the bottom. The second spiral blade and the third spiral blade are driven to rotate synchronously with the stirring shaft through the first support rod, the second support rod and the third support rod. The solvent and Tianshan Chlorella raw material near the inner wall of the extraction tank flow upward, thereby improving the mixing effect of the solvent and Tianshan Chlorella raw material and improving the extraction efficiency.

[0016] 2. By setting a cleaning device, the cleaning device includes two scraping rods, the scraping rods are used to clean the inner wall of the extraction tank, a first fixing rod is arranged between the bottoms of the two scraping rods, a second fixing rod is arranged on the opposite sides of the tops of the two scraping rods, a connecting seat is arranged between the two second fixing rods, and the connecting seat is arranged to penetrate the stirring shaft; After the stirring is completed and the mixture is allowed to stand for stratification, the discharge pipe cooperates with the solenoid valve to discharge the mixed liquid in the extraction tank. After the extraction tank is used up, the cleaning liquid is transported into the extraction tank through the first feed port or the second feed port. The bistable electromagnet reduces the magnetic attraction to the magnet ring in a pulse manner. The limit spring in the compressed state cooperates with the support plate to drive the lifting plate to descend. The first clamping block cooperates with the second clamping block and the limit bar to drive the connecting seat and the second fixed rod to rotate synchronously with the stirring shaft. The two scraping rods clean the inner wall of the extraction tank, which saves cleaning liquid and improves cleaning efficiency.

[0017] 3. By setting up a magnetic attraction device and an elastic limiting device, the beneficial effect that can be obtained is that the magnetic attraction device includes a support plate, the support plate is fixedly mounted on the side wall of the stirring shaft, the support plate is located above the lifting plate, the bottom end of the support plate is provided with two bistable electromagnets, the top end of the lifting plate is provided with a magnet ring, the elastic support device includes a limit spring, the limit spring is located between the support plate and the lifting plate, the top and bottom ends of the limit spring are both provided with support ring plates, the bottom end of the support plate is provided with a limit ring, the limit ring and the magnet ring are respectively connected to the adjacent support ring plates in a rotatable manner; The bistable electromagnet reduces the magnetic attraction to the magnet ring in a pulse manner, and the limit spring in a compressed state cooperates with the support plate to drive the lifting plate to descend. The first clamping block cooperates with the second clamping block, and cooperates with the limit spring in a compressed state to have a quick start function for the cleaning device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 is a cross-sectional view of the extraction tank in the present invention; Figure 3 It is the installation structure diagram of the stirring device in the present invention; Figure 4 It is the installation structure diagram of the cleaning device in the present invention; Figure 5 It is the installation structure diagram of the limiting device in the present invention; Figure 6 This is a diagram of the installation structure of the first clamping block in the present invention; Figure 7 It is the installation structure diagram of the bistable electromagnet in the present invention; Figure 8 This is a diagram of the installation structure of the magnet ring in the present invention; Fig. 9 This is a diagram of the installation structure of the elastic support device in the present invention.

[0020] Description of reference numerals: In the figure: 1. extraction tank; 11. first feed port; 12. second feed port; 13. discharge pipe; 14. solenoid valve; 15. support foot; 2. stirring device; 21. stirring shaft; 22. first spiral blade; 23. first support rod; 24. second support rod; 25. third support rod; 26. second spiral blade; 27. third spiral blade; 3. cleaning device; 31. scraper rod; 32. first fixed rod; 33. second fixed rod; 34. connecting seat; 4. limiting device; 41. limiting strip; 42. lifting plate; 43. first clamping block; 44. second clamping block; 51. support plate; 52. bistable electromagnet; 53. magnet ring; 54. limiting spring; 55. support ring plate; 56. limiting ring; 6. motor. DETAILED DESCRIPTION

[0021] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation methods, structures, features and effects of the present invention are clearly and completely described below in combination with the accompanying drawings and preferred embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] In the description of the present application, it should be understood that the orientation or position relationship indicated by "inside", "outside", etc. is based on the orientation or position described in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, a specific orientation structure and operation, and therefore cannot be understood as a limitation on the present application.

[0023] Reference Figure 1-Figure 9 , is a multi-stage circulation extraction device for Tianshan Chlorella and Chlorella deep purification factor disclosed by the present invention, comprising: An extraction tank 1, wherein a first feed port 11 is disposed on the top of the extraction tank 1, and a second feed port 12 is disposed on the top of the extraction tank 1, both of which are used to transport solvents. The extraction tank 1 is provided with a circulation heating system, and the circulation heating system of the extraction tank 1 preheats the solvent through an external heater, and then the preheated solvent is sent into the extraction tank 1 for extraction. The bottom of the extraction tank 1 is arranged in an inverted frustum, and a discharge structure is arranged at the bottom of the extraction tank 1, and the discharge structure includes a discharge pipe 13, and the discharge pipe 13 passes through and is fixedly installed at the bottom end of the extraction tank 1, and a solenoid valve 14 is arranged on the side wall of the discharge pipe 13, and three supporting feet 15 distributed in an array are arranged at the bottom end of the extraction tank 1, and a rubber pad is arranged at the bottom end of the supporting feet 15; The stirring device 2 includes a stirring shaft 21, which is rotatably installed in the extraction tank 1. The side wall of the stirring shaft 21 is provided with a first spiral blade 22. The side wall of the stirring shaft 21 is provided with two first support rods 23, two second support rods 24 and two third support rods 25 in sequence from top to bottom. A second spiral blade 26 is provided between the first support rod 23 and the second support rod 24 which are separated from each other. The second spiral blade 26 is provided in a half circle. The spiral radius of the second spiral blade 26 is fixed from top to bottom. The two second spiral blades 26 are provided symmetrically with respect to the center. A third spiral blade 27 is arranged between the second support rod 24 and the third support rod 25 which is far away from each other. The third spiral blade 27 is arranged in a half circle. The spiral radius of the third spiral blade 27 gradually decreases from top to bottom. The two third spiral blades 27 are arranged symmetrically with the center. The third spiral blade 27 matches the inclination of the inner wall at the bottom of the extraction tank 1. A driving mechanism for driving the stirring shaft 21 to rotate is arranged at the top of the extraction tank 1. The driving mechanism includes a motor 6. The motor 6 is fixedly installed at the top of the extraction tank 1. The output shaft of the motor 6 is fixedly connected to the top of the stirring shaft 21 through a coupling. The cleaning device 3 includes two scraping rods 31, and the scraping rods 31 are used to clean the inner wall of the extraction tank 1. A first fixing rod 32 is arranged between the bottoms of the two scraping rods 31, and a second fixing rod 33 is arranged on the tops of the two scraping rods 31 facing each other. A connecting seat 34 is arranged between the two second fixing rods 33, and the connecting seat 34 is arranged to penetrate the stirring shaft 21; The limiting device 4 includes a lifting plate 42, and the side wall of the stirring shaft 21 is provided with three limiting strips 41. The lifting plate 42 is slidably installed on the side wall of the stirring shaft 21 through the limiting strips 41. The bottom end of the lifting plate 42 is provided with three first clamping blocks 43, and the top end of the connecting seat 34 is provided with three second clamping blocks 44. The top surfaces of the first clamping blocks 43 and the second clamping blocks 44 are both fan-shaped, and the fan arc of the first clamping blocks 43 and the second clamping blocks 44 is 60 degrees. The bottom end of the first clamping block 43 is provided with an oblique angle, and the top end of the second clamping block 44 is provided with an oblique angle. The limiting device 4 also includes a magnetic suction device, and the magnetic suction device The device includes a support plate 51, which is fixedly mounted on the side wall of the stirring shaft 21, and the support plate 51 is located above the lifting plate 42. Two bistable electromagnets 52 are arranged at the bottom end of the support plate 51, and a magnet ring 53 is arranged at the top end of the lifting plate 42. The limiting device 4 also includes an elastic supporting device, which includes a limiting spring 54. The limiting spring 54 is located between the support plate 51 and the lifting plate 42, and support ring plates 55 are arranged at the top and bottom ends of the limiting spring 54. A limiting ring 56 is arranged at the bottom end of the support plate 51, and the limiting ring 56 and the magnet ring 53 are respectively rotatably connected to the adjacent support ring plates 55.

[0024] The working principle and use process of the present invention are as follows: the circulating heating system preheats the solvent through an external heater, and then the preheated solvent and the Tianshan Chlorella raw material are fed into the extraction tank 1 through the first feed port 11 and the second feed port 12 for extraction. The stirring device 2 ensures that the Chlorella and the solvent are fully mixed. The motor 6 drives the stirring shaft 21 to rotate, and the first spiral blade 22 rotates synchronously with the stirring shaft 21, driving the solvent and the Tianshan Chlorella raw material in the middle of the extraction tank 1 to flow to the bottom. Through the first support rod 23, the second support rod 24 and the third support rod 25, the second spiral blade 26 and the third spiral blade 27 are driven to rotate synchronously with the stirring shaft 21, and the solvent and the Tianshan Chlorella raw material near the inner wall of the extraction tank 1 flow upward, thereby improving the mixing efficiency of the solvent and the Tianshan Chlorella raw material. The extraction efficiency is improved. During the stirring process, multi-stage extraction is performed by adding new solvent. After the stirring is completed and the mixture is allowed to stand and stratify, the discharge pipe 13 cooperates with the electromagnetic valve 14 to discharge the mixed liquid in the extraction tank 1. After the extraction tank 1 is used, the cleaning liquid is transported into the extraction tank 1 through the first feed port 11 or the second feed port 12. The bistable electromagnet 52 reduces the magnetic attraction to the magnet ring 53 in a pulse manner. The limit spring 54 in a compressed state cooperates with the support plate 51 to drive the lifting plate 42 to descend. The first clamping block 43 cooperates with the second clamping block 44 and the limit bar 41 to drive the connecting seat 34 and the second fixing rod 33 to rotate synchronously with the stirring shaft 21. The two scraping rods 31 clean the inner wall of the extraction tank 1, saving cleaning liquid and improving the cleaning efficiency.

[0025] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A multi-stage circulation extraction device for Tianshan Chlorella and Chlorella deep purification factor, characterized in that: include: An extraction tank (1), wherein a first feed inlet (11) is arranged at the top of the extraction tank (1), a second feed inlet (12) is arranged at the top of the extraction tank (1), the bottom of the extraction tank (1) is arranged in the shape of an inverted frustum, and a discharge structure is arranged at the bottom of the extraction tank (1); A stirring device (2), the stirring device (2) comprising a stirring shaft (21), the stirring shaft (21) being rotatably mounted in an extraction tank (1), a first spiral blade (22) being arranged on a side wall of the stirring shaft (21), two first support rods (23), two second support rods (24) and two third support rods (25) being arranged on the side wall of the stirring shaft (21) in order from top to bottom, a second spiral blade (26) being arranged between the first support rod (23) and the second support rod (24) being separated from each other, a third spiral blade (27) being arranged between the second support rod (24) and the third support rod (25) being separated from each other, and a driving mechanism for driving the stirring shaft (21) to rotate being arranged at the top end of the extraction tank (1); A cleaning device (3), the cleaning device (3) comprising two scraping rods (31), the scraping rods (31) being used to clean the inner wall of the extraction tank (1), a first fixing rod (32) being arranged between the bottoms of the two scraping rods (31), a second fixing rod (33) being arranged on the tops of the two scraping rods (31) facing each other, a connecting seat (34) being arranged between the two second fixing rods (33), and the connecting seat (34) being arranged to penetrate the stirring shaft (21); A limiting device (4), the limiting device (4) comprising a lifting plate (42), the side wall of the stirring shaft (21) being provided with three limiting bars (41), the lifting plate (42) being slidably mounted on the side wall of the stirring shaft (21) via the limiting bars (41), the bottom end of the lifting plate (42) being provided with three first clamping blocks (43), and the top end of the connecting seat (34) being provided with three second clamping blocks (44).

2. The multi-stage circulation extraction equipment for Chlorella tianshanica and Chlorella deep purification factor according to claim 1, characterized in that: The first feed port (11) and the second feed port (12) are both used for conveying solvents. The extraction tank (1) is provided with a circulation heating system. The circulation heating system of the extraction tank (1) preheats the solvent through an external heater and then conveys the preheated solvent into the extraction tank (1) for extraction.

3. The multi-stage circulation extraction equipment for Chlorella tianshanica and Chlorella deep purification factor according to claim 1, characterized in that: The discharge structure comprises a discharge pipe (13), the discharge pipe (13) passing through and fixedly mounted on the bottom end of the extraction tank (1), and a solenoid valve (14) is provided on the side wall of the discharge pipe (13).

4. The multi-stage circulation extraction equipment for Tianshan Chlorella and Chlorella deep purification factor according to claim 1, characterized in that: The bottom end of the extraction tank (1) is provided with three supporting feet (15) distributed in an array, and the bottom ends of the supporting feet (15) are provided with rubber pads.

5. The multi-stage circulation extraction equipment for Tianshan Chlorella and Chlorella deep purification factor according to claim 1, characterized in that: The second spiral blade (26) is arranged in a half circle, the spiral radius of the second spiral blade (26) is fixed from top to bottom, the two second spiral blades (26) are arranged symmetrically with respect to the center, and the second spiral blade (26) and the first spiral blade (22) have opposite spiral directions.

6. The multi-stage circulation extraction equipment for Chlorella tianshanica and Chlorella deep purification factor according to claim 1, characterized in that: The third spiral blade (27) is arranged in a half circle, the spiral radius of the third spiral blade (27) gradually decreases from top to bottom, the two third spiral blades (27) are arranged symmetrically with respect to the center, the inclination of the third spiral blade (27) matches that of the inner wall of the bottom of the extraction tank (1), and the third spiral blade (27) and the first spiral blade (22) have opposite rotation directions.

7. The multi-stage circulation extraction equipment for Chlorella tianshanica and Chlorella deep purification factor according to claim 1, characterized in that: The driving mechanism comprises a motor (6), the motor (6) being fixedly mounted on the top of the extraction tank (1), and the output shaft of the motor (6) being fixedly connected to the top of the stirring shaft (21) via a coupling.

8. The multi-stage circulation extraction equipment for Tianshan Chlorella and Chlorella deep purification factor according to claim 1, characterized in that: The top surfaces of the first clamping block (43) and the second clamping block (44) are both arranged in a fan shape, the fan surface arcs of the first clamping block (43) and the second clamping block (44) are arranged at 60 degrees, the bottom end of the first clamping block (43) is arranged with an oblique angle, and the top end of the second clamping block (44) is arranged with an oblique angle.

9. The multi-stage circulation extraction equipment for Chlorella tianshanica and Chlorella deep purification factor according to claim 1, characterized in that: The limiting device (4) further comprises a magnetic attraction device, wherein the magnetic attraction device comprises a support plate (51), wherein the support plate (51) is fixedly mounted on a side wall of the stirring shaft (21), wherein the support plate (51) is located above the lifting plate (42), wherein two bistable electromagnets (52) are arranged at the bottom end of the support plate (51), and wherein a magnet ring (53) is arranged at the top end of the lifting plate (42).

10. The multi-stage circulation extraction equipment for Chlorella tianshanica and Chlorella deep purification factor according to claim 9, characterized in that: The limiting device (4) further comprises an elastic support device, wherein the elastic support device comprises a limiting spring (54), wherein the limiting spring (54) is located between the support plate (51) and the lifting plate (42), wherein the top and bottom ends of the limiting spring (54) are both provided with supporting ring plates (55), and the bottom end of the supporting plate (51) is provided with a limiting ring (56), wherein the limiting ring (56) and the magnet ring (53) are respectively rotatably connected to adjacent supporting ring plates (55).

Citation Information

Patent Citations

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