Bamboo juice extraction device

Abstract

The utility model relates to the technical field of bamboo juice production, in particular to a bamboo juice extracting device which comprises a filtering box, three filtering pieces which are vertically arranged at equal intervals are arranged in the filtering box, each filtering piece comprises a filtering outer box, the bottom of each filtering outer box is of an opening structure, and buffering pieces are arranged at the four corners of the bottom of the inner wall of each filtering outer box. The tops of the four buffering pieces jointly support inner filtering boxes, filtering nets are arranged at the bottoms of the inner filtering boxes, the sizes of filtering holes of the filtering nets of the three inner filtering boxes are sequentially decreased from top to bottom, an operation opening allowing the outer filtering box to penetrate through is formed in the front side of the filtering box, and the front side of the outer filtering box penetrates through the operation opening and is fixedly connected with a cover plate. According to the bamboo juice extraction device, the multiple filtering pieces are adopted, the sizes of the filtering holes of the filtering nets are sequentially decreased from top to bottom, through the multi-layer filtering design, large-particle impurities and fine suspended solids in bamboo juice can be effectively removed step by step, it is ensured that the finally extracted bamboo juice is purer, and the filtering effect and quality of the bamboo juice are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bamboo juice production, in particular to a bamboo juice extraction device. Background Technique

[0002] As a pure natural green plant juice, bamboo juice contains more than a dozen trace elements such as zinc, germanium, selenium, and calcium, as well as various vitamins and amino acids, and has significant medicinal and nutritional values. In recent years, with the increasing attention of people to healthy drinks, bamboo juice has gradually been favored by the market due to its unique ingredients and good taste. In the process of pressing and extracting bamboo juice, due to its viscosity and the characteristics of containing solid particulate matter, bamboo juice needs to be filtered through multiple stages to remove impurities and ensure the purity and quality of the final product. However, the current bamboo juice extraction technology often faces problems such as low efficiency and limited filtration effect during the filtration process.

[0003] The patent with the publication number CN207412898U discloses a filtering device for bamboo juice extraction, including a device housing. A feed inlet is fixedly opened in the middle of the upper end of the device housing. The upper part of the inner cavity of the device housing is fixedly connected with a first buffer plate. A second buffer plate is fixedly connected below the first buffer plate. A rectangular through hole is opened on the left side of the second buffer plate. A baffle is fixedly connected to the upper left side of the rectangular through hole. The left and right sides in the middle of the inner cavity of the device housing are inserted with transmission rotating shafts. A filter screen is arranged between the transmission rotating shafts. A support block is fixedly arranged at the lower end of the filter screen. The lower end of the support block is fixedly connected with a cylinder, and the cylinders are all located inside the cylinder housing. This filtering device for bamboo juice extraction greatly slows down the impact force of the juice through the structure of the first buffer plate and the second buffer plate; and greatly improves the working efficiency of the filtering device through the structure of the cylinder.

[0004] The single-layer filter screen relied on in the above-mentioned prior art during the filtration process can only achieve limited filtration effects. When dealing with a large flow rate and high-viscosity liquid, a single filter screen is prone to clogging of the filter holes, thereby increasing the filtration pressure and resulting in a decrease in system efficiency. In addition, when cleaning the residue, the single-layer filter screen cannot fully separate particulate matters of different sizes, resulting in deficiencies in scientificity and practicality. In view of this, we propose a bamboo juice extraction device. Content of the Utility Model

[0005] The purpose of the utility model is to provide a bamboo juice extraction device to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A bamboo juice extraction device includes a filtration box, a main body structure for accommodating and supporting filtration components, providing a sealed space so that impurities can be effectively removed during the multi-layer filtration of bamboo juice, and communicating with a bottom box to facilitate the smooth flow of bamboo juice into a liquid collection container. There are three filtration components arranged at equal intervals up and down in the filtration box. The filtration component includes a filtration outer box with an open bottom structure, an external support structure for carrying a filtration inner box with an open bottom design to allow bamboo juice to flow through smoothly. At the four corners of the inner wall of the bottom of the filtration outer box, there are buffer components located at the four corners of the inner wall of the filtration outer box, providing elastic buffering through springs to effectively absorb vibrations and pressure fluctuations during filtration, ensuring that the filtration inner box is not damaged and improving the durability of the filtration system. The tops of the four buffer components jointly support a filtration inner box. The bottom of the filtration inner box is provided with a filter screen to conduct primary and fine filtration of bamboo juice to remove impurities and solid particles in the bamboo juice. The filter hole sizes of the filter screens of the three filtration inner boxes gradually decrease from top to bottom. Through multiple layers of filter screens, bamboo juice is effectively filtered, and large particle impurities and fine suspended matters are removed step by step to ensure that the filtered bamboo juice is purer.

[0008] An operation opening for the filtration outer box to pass through is provided on the front side of the filtration box for inserting or removing the filtration outer box, facilitating the installation, replacement or cleaning of the filtration component by the operator. At the same time, it is also the entrance for maintenance and inspection of the device. The front side of the filtration outer box passes through the operation opening and is fixedly connected with a cover plate for sealing the operation opening and providing a closed structure convenient for operation. On the front side of the filtration box and at positions near the left and right sides of the operation opening, there are fixed blocks. The cover plate is provided with positioning components for connecting with the fixed blocks to fix and support the cover plate. By cooperating with the positioning components, it is ensured that the filtration component does not move during operation, maintaining the stability and sealing of the device.

[0009] Preferably, a feeding hopper is provided on the top of the filtration box for feeding the bamboo juice to be filtered into the filtration box to ensure that the bamboo juice enters the filtration system. The bottom of the filtration box is provided with a bottom box which communicates with the filtration box. The front side of the bottom box is an open structure, and a liquid collection container is placed in the bottom box. The bottom box is used to receive the filtered bamboo juice and guide it into the liquid collection container to ensure the smooth collection of the filtered liquid.

[0010] Preferably, rollers are provided at positions near the four corners of the bottom of the liquid collection container for conveniently moving the liquid collection container, improving the operation flexibility and transportation efficiency of the device. A second handle is provided on the front side of the liquid collection container for manually pulling the liquid collection container to facilitate taking it out of or placing it in the bottom box.

[0011] Preferably, frame-shaped support plates are provided on the inner wall of the filter box and are respectively located at the bottom positions of the three operation openings. The bottom of the filter outer box abuts against the top of the frame-shaped support plate, which is used to carry the filter outer box. By providing stable support for the filter element, it ensures that the filter outer box remains horizontal and stable during the filtering process, preventing displacement caused by the weight or flow of bamboo juice. A liquid guide hopper is provided on the inner wall of the frame-shaped support plate, which is used to guide the filtered bamboo juice to smoothly flow into the next filter element, ensuring that the bamboo juice does not overflow or accumulate near the filter element.

[0012] Preferably, a frame-shaped sealing rubber is embedded at the position on the outer wall of the filter outer box and located at the front side. The outer wall of the frame-shaped sealing rubber is closely attached to the inner wall of the operation opening, ensuring the sealing performance at the operation opening and preventing the leakage of bamboo juice during the filtering process.

[0013] Preferably, the buffer member includes a fixed bottom plate fixedly connected to the inner wall of the filter outer box, which is used to fixedly support the buffer member and provide a stable foundation for the support column and the spring, ensuring that the filter inner box can be effectively supported during the filtering process. A support column is provided on the top of the fixed bottom plate, and a spring is provided on the top of the support column. A circular sleeve is sleeved outside the support column, and the top of the circular sleeve is fixedly connected to the bottom of the filter inner box. The circular sleeve is used to maintain the stability of the support column, protect the spring and the support structure at the same time, and play a guiding role in the up and down stable movement of the filter inner box. The top end of the spring abuts against the bottom of the filter inner box, and the spring provides elastic support for the filter inner box, ensuring that external pressure can be absorbed during the filtering process and preventing the filter screen or the filter inner box from being damaged due to excessive pressure.

[0014] Preferably, two first handles are provided on the front side of the cover plate and are symmetrically arranged left and right. The first handles are arranged vertically and are used for manually operating the opening and closing of the cover plate, which is convenient for replacing the filter element or cleaning the equipment.

[0015] Preferably, a circular groove is opened in the middle of the inside of the cover plate, which is used to accommodate and fix the gear in the positioning member. A first strip-shaped groove communicating with the circular groove is opened at a position near the top inside the cover plate, and a second strip-shaped groove communicating with the circular groove is opened at a position near the bottom inside the cover plate. Rectangular movable grooves are opened on both the left and right sides of the cover plate, and the two rectangular movable grooves communicate with the first strip-shaped groove and the second strip-shaped groove respectively, providing space for the installation of the positioning member.

[0016] Preferably, the positioning member includes a gear rotatably connected in the circular groove. The front end of the gear shaft passes through the inner wall of the circular groove and is fixedly connected with a knob. The positioning member further includes a first rack and a second rack that are meshed and driven by the gear. The first rack is slidably connected in the first strip-shaped groove, and the second rack is slidably connected in the second strip-shaped groove. Rectangular insertion plates are provided at the left end of the first rack and the right end of the second rack. The two rectangular insertion plates are respectively slidably connected in the two rectangular movable grooves. By driving the gear to rotate with the knob, the gear drives the first rack and the second rack to move relatively synchronously or move reversely synchronously, and further drives the two rectangular insertion plates to move respectively through the first rack and the second rack.

[0017] Preferably, rectangular positioning slots are formed on the opposite side surfaces of the two fixing blocks arranged opposite to each other left and right. The opposite end portions of the two rectangular insertion plates are respectively inserted into the two rectangular positioning slots. When the rectangular insertion plates are inserted into the rectangular positioning slots, the relative positions of the cover plate and the fixing blocks can be fixed, so as to fix the position of the filter element, which is convenient for the staff to disassemble and assemble the filter element.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] 1. The bamboo juice extraction device adopts a plurality of filter elements, and the filter hole sizes of the filter meshes decrease sequentially from top to bottom. Through this multi-layer filtration design, large particle impurities and fine suspended matters in the bamboo juice can be effectively removed step by step, ensuring that the finally extracted bamboo juice is purer, and improving the filtration effect and quality of the bamboo juice.

[0020] 2. The bamboo juice extraction device is provided with a buffer member in the filter element. The elastic support for the inner filter box is provided by the spring, which effectively absorbs the vibration and pressure fluctuations generated during the filtration process, avoids the damage of the inner filter box, and thus improves the service life and reliability of the equipment.

[0021] 3. The filter element of the bamboo juice extraction device can be conveniently inserted and taken out through the operation port. With the design of the cover plate and the positioning member, it is convenient for the operator to install, replace or clean the filter element, reducing the maintenance difficulty and time cost. This design greatly improves the practicability and operation convenience of the equipment.

[0022] 4. The bamboo juice extraction device is provided with a frame-shaped sealing rubber between the operation port and the outer filter box to ensure the sealing performance of the filter box, prevent the leakage of bamboo juice during the filtration process, ensure the cleanliness and safety of the operation, and reduce resource waste and environmental pollution.

[0023] 5. The bamboo juice extraction device, compared with the traditional single-layer filter screen design, effectively solves the problem of rising filtration pressure caused by filter hole blockage through the application of multi-stage filter screens. This enables the device to maintain a high filtration efficiency when processing high-viscosity liquids, reducing the frequency of cleaning and replacing the filter screens. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0025] Figure 2 is a schematic diagram of the overall exploded structure of the present utility model;

[0026] Figure 3 is a schematic cross-sectional structure diagram of the filter box and the bottom box in the present utility model;

[0027] Figure 4 is a schematic diagram of the first perspective structure of the filter element in the present utility model;

[0028] Figure 5 is a schematic diagram of the second perspective structure of the filter element in the present utility model;

[0029] Figure 6 is a schematic diagram of the buffer structure in the present utility model;

[0030] Figure 7 is a schematic cross-sectional structure diagram of the cover plate in the present utility model;

[0031] In the figure: 1. Filter box; 10. Operation port; 11. Fixed block; 110. Rectangular positioning slot; 12. Frame-shaped support plate; 13. Liquid guide hopper; 2. Filter element; 20. Filter outer box; 21. Filter inner box; 22. Buffer; 220. Fixed bottom plate; 221. Support column; 222. Spring; 223. Circular sleeve; 23. Cover plate; 230. Circular groove; 231. First strip-shaped groove; 232. Second strip-shaped groove; 233. Rectangular movable groove; 24. Positioning member; 240. Gear; 241. First rack; 242. Second rack; 243. Rectangular insertion plate; 244. Knob; 25. First handle; 26. Frame-shaped sealing rubber; 3. Bottom box; 4. Liquid collection container; 40. Roller; 41. Second handle; 5. Feeding hopper. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0033] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0034] Please refer to Figures 1 - 7 , the present utility model provides a technical solution:

[0035] A bamboo juice extraction device includes a filter box 1, a main body structure for accommodating and supporting a filter element 2, providing a sealed space so that impurities can be effectively removed during the multi-layer filtration of bamboo juice, and communicating with a bottom box 3 to facilitate the smooth flow of bamboo juice into a liquid collection container 4. There are three filter elements 2 arranged at equal intervals up and down in the filter box 1. The filter element 2 includes a filter outer box 20 with an open bottom structure, an external support structure for carrying a filter inner box 21 with an open bottom design to allow bamboo juice to flow through smoothly. At the four corners of the bottom of the inner wall of the filter outer box 20, there are buffer members 22 located at the four corners of the inner wall of the filter outer box 20, providing elastic buffering through springs 222, effectively absorbing vibrations and pressure fluctuations during filtration, ensuring that the filter inner box 21 is not damaged, and improving the durability of the filtration system. The tops of the four buffer members 22 jointly support a filter inner box 21. The bottom of the filter inner box 21 is provided with a filter net to perform primary and fine filtration on bamboo juice, removing impurities and solid particles in the bamboo juice. The filter hole sizes of the filter nets of the three filter inner boxes 21 decrease sequentially from top to bottom. Through multiple layers of filter nets, bamboo juice is effectively filtered, and large particle impurities and fine suspended matters are removed step by step to ensure that the filtered bamboo juice is purer;

[0036] An operation port 10 for the filter outer box 20 to pass through is provided on the front side of the filter box 1, for inserting or removing the filter outer box 20, facilitating the installation, replacement or cleaning of the filter element 2 by the operator. At the same time, it is also the entrance for maintenance and inspection of the device. The front side of the filter outer box 20 passes through the operation port 10 and is fixedly connected with a cover plate 23 for sealing the operation port 10 and providing a closed structure convenient for operation. Fixed blocks 11 are provided on both sides of the front side of the filter box 1 and close to the operation port 10. A positioning member 24 for connecting with the fixed blocks 11 is provided in the cover plate 23 for fixing and supporting the cover plate 23. By cooperating with the positioning member 24, it is ensured that the filter element 2 does not move during operation, maintaining the stability and sealing of the device.

[0037] In this embodiment, a feeding hopper 5 is provided at the top of the filtering box 1 for feeding the bamboo juice to be filtered into the filtering box 1 to ensure that the bamboo juice enters the filtering system. A bottom box 3 is provided at the bottom of the filtering box 1. The bottom box 3 is communicated with the filtering box 1. The front side of the bottom box 3 is an open structure. A liquid collecting container 4 is placed in the bottom box 3. The bottom box 3 is used to receive the filtered bamboo juice and guide it into the liquid collecting container 4 to ensure the smooth collection of the filtered liquid.

[0038] Specifically, rollers 40 are provided at the bottom of the liquid collecting container 4 and near the four corners for conveniently moving the liquid collecting container 4 to improve the operation flexibility and transportation efficiency of the equipment. A second handle 41 is provided at the front side of the liquid collecting container 4 for manually pulling the liquid collecting container 4 to facilitate taking it out of or placing it into the bottom box 3.

[0039] Furthermore, frame-shaped support plates 12 are provided on the inner wall of the filtering box 1 and at the positions respectively at the bottoms of the three operation ports 10. The bottom of the filtering outer box 20 abuts against the top of the frame-shaped support plate 12 for carrying the filtering outer box 20. By providing stable support for the filter element 2, it is ensured that the filtering outer box 20 remains horizontal and stable during the filtering process, preventing displacement caused by the weight or flow of the bamboo juice. A liquid guiding hopper 13 is provided on the inner wall of the frame-shaped support plate 12 for guiding the filtered bamboo juice to smoothly flow into the next filter element 2 to ensure that the bamboo juice does not overflow or accumulate near the filter element 2.

[0040] Furthermore, a frame-shaped sealing rubber 26 is embedded at the front side of the outer wall of the filtering outer box 20. The outer wall of the frame-shaped sealing rubber 26 is closely attached to the inner wall of the operation port 10 to ensure the sealing performance at the operation port 10 and prevent the leakage of bamboo juice during the filtering process.

[0041] Furthermore, the buffer member 22 includes a fixed bottom plate 220 fixedly connected to the inner wall of the filtering outer box 20 for fixedly supporting the buffer member 22 and providing a stable foundation for the support column 221 and the spring 222 to ensure that the filtering inner box 21 can be effectively supported during the filtering process. A support column 221 is provided on the top of the fixed bottom plate 220. A spring 222 is provided on the top of the support column 221. A circular sleeve 223 is sleeved outside the support column 221. The top of the circular sleeve 223 is fixedly connected to the bottom of the filtering inner box 21. The circular sleeve 223 is used to maintain the stability of the support column 221, protect the spring 222 and the support structure, and play a guiding role in the up-and-down stable movement of the filtering inner box 21. The top end of the spring 222 abuts against the bottom of the filtering inner box 21. The spring 222 provides elastic support for the filtering inner box 21 to ensure that external pressure can be absorbed during the filtering process and prevent the filter screen or the filtering inner box 21 from being damaged due to excessive pressure.

[0042] Further, two first handles 25 which are symmetrically arranged left and right are provided on the front side of the cover plate 23. The first handles 25 are arranged vertically and are used for manually operating the opening and closing of the cover plate 23, facilitating the replacement of the filter element 2 or the cleaning of the device.

[0043] Further, a circular groove 230 is formed in the middle of the interior of the cover plate 23 for accommodating and fixing the gear 240 in the positioning member 24. A first strip-shaped groove 231 communicating with the circular groove 230 is formed at a position close to the top inside the cover plate 23, and a second strip-shaped groove 232 communicating with the circular groove 230 is formed at a position close to the bottom inside the cover plate 23. Rectangular movable grooves 233 are formed on both the left and right sides of the cover plate 23, and the two rectangular movable grooves 233 communicate with the first strip-shaped groove 231 and the second strip-shaped groove 232 respectively, providing space for the installation of the positioning member 24.

[0044] Further, the positioning member 24 includes a gear 240 rotatably connected in the circular groove 230. The front end of the rotating shaft of the gear 240 passes through the inner wall of the circular groove 230 and is fixedly connected with a knob 244. The positioning member 24 further includes a first rack 241 and a second rack 242 that are meshed and driven with the gear 240. The first rack 241 is slidably connected in the first strip-shaped groove 231, and the second rack 242 is slidably connected in the second strip-shaped groove 232. Rectangular plug plates 243 are provided at the left end of the first rack 241 and the right end of the second rack 242. The two rectangular plug plates 243 are respectively slidably connected in the two rectangular movable grooves 233. By driving the gear 240 to rotate through the knob 244, the gear 240 drives the first rack 241 and the second rack 242 to move relatively synchronously or move in the opposite direction synchronously, and further drives the two rectangular plug plates 243 to move respectively by the first rack 241 and the second rack 242.

[0045] Further, rectangular positioning slots 110 are formed on the opposite side surfaces of the two fixed blocks 11 arranged opposite to each other left and right. The opposite end portions of the two rectangular plug plates 243 are respectively inserted into the two rectangular positioning slots 110. When the rectangular plug plates 243 are inserted into the rectangular positioning slots 110, the relative positions of the cover plate 23 and the fixed blocks 11 can be fixed, thereby realizing the position fixation of the filter element 2 and facilitating the staff to disassemble and assemble the filter element 2.

[0046] When the bamboo juice extraction device of this embodiment is in use, the prepared bamboo juice raw materials are put into the filtration system from the feeding hopper 5. The bamboo juice first passes through the filter screen of the upper filter member 2 to initially remove large particle impurities, and then flows through the middle and lower filter members 2 in sequence. The pore size of the filter screen gradually decreases, further removing smaller suspended matters and impurities, and finally ensuring the purity of the bamboo juice. During the filtration process, the buffer member 22 absorbs the vibration and pressure fluctuations generated by the flow of the bamboo juice to ensure that the filter inner box 21 and the filter screen are not damaged. The filtered bamboo juice will flow into the liquid collection container 4 in the bottom box 3. The filtered bamboo juice accumulates in the liquid collection container 4. The liquid collection container 4 is equipped with rollers 40, which can be conveniently moved and transported. When the impurities in the filter member 2 accumulate to a certain extent, the operator can perform maintenance through the operation port 10 on the front side of the filter box 1. The staff rotates the knob 244, and the knob 244 drives the gear 240 to rotate. The gear 240 drives the first rack 241 and the second rack 242 to move relatively, so that the first rack 241 and the second rack 242 respectively drive the two rectangular plug plates 243 to move relatively, and further make the two rectangular plug plates 243 respectively move out of the two rectangular positioning slots 110, releasing the fixation of the cover plate 23. Then the staff manually pulls the first handle 25 of the cover plate 23 to open the cover plate 23, takes out the filter outer box 20 and the filter inner box 21 for cleaning. After cleaning, the filter member 2 is reinserted into the filter box 1, and the positioning member 24 is adjusted through the knob 244 to ensure the stability of the filter member 2 and the tight closure of the cover plate 23. The device ensures that there is no leakage of bamboo juice during the filtration process through the tight fit of the frame-shaped sealing rubber 26 and the operation port 10, ensuring the cleanliness and safety of the operation. The use method of this set of equipment fully considers the efficiency of the filtration process, the stability of the equipment, and the convenience of maintenance, ensuring the efficient extraction of high-quality bamboo juice.

[0047] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A bamboo juice extraction device, comprising a filtration box (1), characterized in that: Inside the filter box (1), there are three filter elements (2) arranged at equal intervals up and down. The filter element (2) includes a filter outer box (20). The bottom of the filter outer box (20) is of an open structure. Buffer members (22) are provided at the four corners of the bottom inner wall of the filter outer box (20). A filter inner box (21) is jointly supported by the tops of the four buffer members (22). A filter screen is provided at the bottom of the filter inner box (21). The filter hole sizes of the filter screens of the three filter inner boxes (21) decrease successively from top to bottom. An operation opening (10) for the filter outer box (20) to pass through is provided on the front side of the filter box (1). The front side of the filter outer box (20) passes through the operation opening (10) and is fixedly connected with a cover plate (23). Fixing blocks (11) are provided on the front side of the filter box (1) and on the left and right sides close to the operation opening (10). A positioning member (24) for connecting with the fixing block (11) is provided inside the cover plate (23).

2. The bamboo juice extraction device according to claim 1, characterized in that: A feeding hopper (5) is provided at the top of the filter box (1). A bottom box (3) is provided at the bottom of the filter box (1). The bottom box (3) is communicated with the filter box (1). The front side of the bottom box (3) is of an open structure. A liquid collection container (4) is placed inside the bottom box (3).

3. The bamboo juice extraction device according to claim 2, characterized in that: Rollers (40) are provided at the bottom of the liquid collection container (4) and close to the four corners. A second handle (41) is provided on the front side of the liquid collection container (4).

4. The bamboo juice extraction device according to claim 1, characterized in that: Frame-shaped support plates (12) are provided on the inner wall of the filter box (1) and at the positions respectively at the bottoms of the three operation openings (10). The bottom of the filter outer box (20) abuts against the top of the frame-shaped support plate (12). A liquid guide hopper (13) is provided on the inner wall of the frame-shaped support plate (12).

5. The bamboo juice extraction device according to claim 1, characterized in that: A frame-shaped sealing rubber (26) is embedded at the front side of the outer wall of the filter outer box (20). The outer wall of the frame-shaped sealing rubber (26) is closely attached to the inner wall of the operation opening (10).

6. The bamboo juice extraction device according to claim 1, wherein: The buffer member (22) includes a fixed bottom plate (220) fixedly connected to the inner wall of the filter outer box (20). A support column (221) is provided on the top of the fixed bottom plate (220). A spring (222) is provided on the top of the support column (221). A circular sleeve (223) is sleeved outside the support column (221). The top of the circular sleeve (223) is fixedly connected to the bottom of the filter inner box (21). The top end of the spring (222) abuts against the bottom of the filter inner box (21).

7. The bamboo juice extraction device according to claim 1, characterized in that: Two first handles (25) arranged symmetrically left and right are provided on the front side of the cover plate (23). The first handle (25) is arranged vertically.

8. The bamboo juice extraction device according to claim 1, characterized in that: A circular groove (230) is formed in the middle inside the cover plate (23). A first strip-shaped groove (231) communicating with the circular groove (230) is formed in the cover plate (23) near the top. A second strip-shaped groove (232) communicating with the circular groove (230) is formed in the cover plate (23) near the bottom. Rectangular movable grooves (233) are formed on both the left and right sides of the cover plate (23). The two rectangular movable grooves (233) communicate with the first strip-shaped groove (231) and the second strip-shaped groove (232) respectively.

9. The bamboo juice extraction device according to claim 8, wherein: The positioning member (24) includes a gear (240) rotatably connected in the circular groove (230). The front end of the rotating shaft of the gear (240) passes through the inner wall of the circular groove (230) and is fixedly connected with a knob (244). The positioning member (24) further includes a first rack (241) and a second rack (242) meshing and driving with the gear (240). The first rack (241) is slidably connected in the first strip-shaped groove (231). The second rack (242) is slidably connected in the second strip-shaped groove (232). Rectangular insertion plates (243) are provided at the left end of the first rack (241) and the right end of the second rack (242). The two rectangular insertion plates (243) are slidably connected in the two rectangular movable grooves (233) respectively.

10. The bamboo juice extraction device according to claim 9, characterized in that: Rectangular positioning insertion slots (110) are formed on the opposite side surfaces of the two fixed blocks (11) arranged oppositely left and right. The opposite end portions of the two rectangular insertion plates (243) are respectively inserted into the two rectangular positioning insertion slots (110).

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