Fruit juice fresh-keeping anti-oxidation tank

By designing a cleaning mechanism in the juice preservation and anti-oxidation tank, the problem of difficulty in cleaning the juice jar in the prior art is solved, ensuring the quality and freshness of the juice.

CN222794285UActive Publication Date: 2025-04-25KAIFENG SANFENG FOOD DRINK CO LTD
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Patent Information

Application Number
CN202421361760.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-04-25
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

The existing juice preservation and anti-oxidation device is difficult to clean before subsequent use, resulting in the mixing of residual juice with fresh juice, affecting the taste and quality of the juice.

Method used

A juice preservation and anti-oxidation tank is designed, including a preservation tank, a mixing mechanism and a conveying mechanism. A cleaning mechanism is provided at the bottom of the preservation tank, including a rotating tube and a cleaning plate, which can facilitate the cleaning of the space for temporarily filling juice.

Benefits of technology

Through the design of the cleaning mechanism, the residual juice is effectively prevented from mixing with fresh juice, which improves the quality and taste of the juice and ensures the freshness of the juice products.

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Abstract

The utility model provides a fruit juice fresh-keeping and anti-oxidation tank, and relates to the field of fruit juice storage. The fruit juice fresh-keeping anti-oxidation tank comprises a fresh-keeping tank, a stirring mechanism and a conveying mechanism, the bottom of the fresh-keeping tank is rotationally connected with a cleaning mechanism, the cleaning mechanism comprises a rotating pipe and a cleaning plate, the bottom of the rotating pipe is rotationally connected with the bottom of the fresh-keeping tank, and the cleaning plate is fixedly connected with the surface of the rotating pipe. And the top of the stirring mechanism is fixedly connected with the top of the fresh-keeping tank. According to the fruit juice fresh-keeping anti-oxidation tank, a cleaning mechanism is arranged, a rotating disc in a fixing pipe rotates to drive a rotating rod at the top of a screw rod to move upwards, the rotating rod moves upwards to drive a connecting block to be inserted into a connecting groove, and a motor drives a stirring shaft to rotate; the stirring shaft rotates to drive the cleaning plate on the surface of the rotating pipe to rotate to clean the inner barrel and the bottom of the outer partition plate while driving the inner partition plate to rotate, the situation that residual juice and fresh juice are mixed to affect the taste and quality of the juice is avoided, and the quality of juice products is guaranteed.
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Description

Technical Field

[0001] The present application relates to the technical field of juice storage, and in particular to a juice preservation and anti-oxidation tank. Background Art

[0002] Juice is a beverage made from fruit through physical methods such as squeezing, centrifugation, extraction, etc. Juice retains most of the nutrients in the fruit, such as vitamins, minerals, sugars, and pectin in dietary fiber. Juice preservation is an essential part of the production process of juice products.

[0003] Patent No. CN213706572U discloses a device for preserving and anti-oxidation of sea buckthorn juice. The device for preserving and anti-oxidation of sea buckthorn juice is provided by a temporary storage tank provided at the bottom of the inner tank and a connecting rod provided on the right side of the outer tank, and cooperates with a connecting block, a first sealing plug and a second sealing plug provided on the left side of the connecting rod, so that the first sealing plug and the second sealing plug can move left and right with the connecting rod, so that the first sealing plug can move to the right to make the juice in the inner tank flow into the temporary storage tank, and then move the connecting rod to the left to make the second sealing plug move to the left to make the juice in the temporary storage tank flow out, thereby avoiding that the juice in the inner tank directly contacts the air and oxidizes, and effectively plays a role in keeping the juice fresh. By means of an external thread provided on the outer wall of the connecting rod and cooperating with an internal thread sleeve provided on the right side of the outer tank, the connecting rod can be rotated in the internal thread sleeve to control the position of the connecting block, thereby facilitating the adjustment of the positions of the connecting rod, the connecting block, the second sealing plug and the first sealing plug, and by means of a quick-release handle provided on the right side of the connecting rod, it is convenient for the staff to adjust the position of the connecting rod. However, the provision of the oxidation tank temporary storage tank is not convenient for cleaning before subsequent use, and it is easy for the remaining juice from previous use to mix with the fresh juice, affecting the taste and quality of the juice and reducing the product quality. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present application provides a juice preservation and anti-oxidation tank, which solves the problems mentioned in the above background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present application is implemented through the following technical solutions: a juice preservation and anti-oxidation tank, comprising a preservation tank, a stirring mechanism for preventing the precipitation of juice substances and a conveying mechanism for separating and conveying the preserved juice and the juice to be filled, the bottom of the preservation tank is rotatably connected with a cleaning mechanism for conveniently cleaning the space for temporarily storing and filling the juice, the cleaning mechanism comprises a rotating tube and a cleaning plate, the bottom of the rotating tube is rotatably connected to the bottom of the preservation tank, the cleaning plate is fixedly connected to the surface of the rotating tube, the top of the stirring mechanism is fixedly connected to the top of the preservation tank, and the side of the conveying mechanism is fixedly connected to the inner wall of the preservation tank.

[0008] By adopting the above technical solution, the cleaning plate on the surface of the rotating tube can be used to clean the juice at the bottom of the inner barrel and the outer partition, preventing the residual juice from mixing with the fresh juice and affecting the quality of the juice.

[0009] Preferably, the cleaning mechanism further comprises a rotating rod and a connecting groove, the rotating rod is slidably connected to the inner wall of the rotating tube, a connecting block is fixedly connected to the top of the rotating rod, the connecting groove is opened at the bottom of the conveying mechanism, and the shape and size of the connecting groove are consistent with the connecting block.

[0010] By adopting the above technical solution, the connecting block can be fitted with the inner wall of the connecting groove by using the rotating rod, so that the cleaning plate on the surface of the rotating tube can be driven to rotate by the rotation of the inner partition.

[0011] Preferably, the cleaning mechanism also includes a screw and a fixed tube, the top of the screw is fixedly connected to the bottom of the rotating rod, the surface of the screw is threadedly connected with a turntable, the top of the fixed tube is fixedly connected to the bottom of the fresh-keeping tank, and the inner wall of the fixed tube is rotatably connected to the side of the turntable.

[0012] By adopting the above technical solution, the turntable rotatably connected to the fixed pipe can be used to drive the screw rod to move upward, and the upward movement of the screw rod drives the rotating rod to move upward, so as to facilitate the adjustment of the connection relationship between the connecting block and the connecting groove.

[0013] Preferably, the fresh-keeping tank comprises an insulation barrel and an inner barrel, the inner wall of the insulation barrel is fixedly connected to a refrigeration layer, the bottom of the insulation barrel is fixedly connected to the top of the fixed pipe, and the surface of the inner barrel is fixedly connected to the inner wall of the refrigeration layer.

[0014] By adopting the above technical solution, the temperature of the juice in the inner barrel can be reduced by using the refrigeration layer, and the juice can be maintained at a suitable temperature by using the heat preservation layer to keep the juice fresh.

[0015] Preferably, an input valve is fixedly connected to the upper left side of the surface of the fresh-keeping tank, and an output valve is fixedly connected to the lower left side of the surface of the fresh-keeping tank.

[0016] By adopting the above technical solution, the input valve and the output valve can be used to prevent the juice from coming into contact with oxygen and being oxidized during transportation.

[0017] Preferably, the stirring mechanism includes a motor and a sealing sleeve, the motor is fixedly connected to the top of the heat-insulating barrel, the motor output shaft is fixedly connected to the stirring shaft, the surface of the stirring shaft is fixedly connected to the stirring blade, the surface of the sealing sleeve is fixedly connected to the center of the top of the heat-insulating barrel, and the inner wall of the sealing sleeve is in contact with the surface of one end of the stirring shaft.

[0018] By adopting the above technical solution, the motor output shaft can be used to rotate to drive the stirring shaft, and the stirring shaft can drive the stirring blades to rotate, thereby preventing the precipitation of substances in the juice and causing uneven substances in the filled juice. The sealing sleeve is used to prevent external air from entering the fresh-keeping tank.

[0019] Preferably, the conveying mechanism includes an outer partition and a conveying hole, the side of the outer partition is fixedly connected to the inner wall of the inner barrel, the top center of the outer partition is rotatably connected to the bottom of the stirring shaft, the inner wall of the outer partition is rotatably connected to the inner partition, the conveying hole is opened on one side of the outer partition and the inner partition, and the connecting groove is opened at the bottom of the outer partition and the inner partition.

[0020] By adopting the above technical solution, the opening and closing of the delivery hole can be adjusted by rotating the inner partition inside the outer partition, so as to accurately control the amount of juice delivered.

[0021] Preferably, the conveying mechanism also includes a rotating groove and a telescopic groove, the rotating groove is opened at the top center of the inner partition, the telescopic groove is opened at the bottom of the stirring shaft, the top of the telescopic groove is fixedly connected to an electric telescopic tube, the bottom of the electric telescopic tube is fixedly connected to a rotating block, and the rotating block is slidably connected to the rotating groove.

[0022] By adopting the above technical solution, the electric telescopic tube in the telescopic groove can be extended to drive the rotating block to be inserted into the rotating groove, and the rotation of the stirring shaft drives the rotating block at the bottom of the electric telescopic tube in the telescopic groove to rotate, thereby driving the inner partition with the rotating groove to rotate to adjust the opening and closing of the conveying hole.

[0023] (III) Beneficial effects

[0024] The present application provides a juice preservation and oxidation prevention tank. The beneficial effects are as follows:

[0025] 1. The juice preservation and anti-oxidation tank is provided with a cleaning mechanism. The rotating disk in the fixed tube rotates to drive the rotating rod on the top of the screw to move upward, and the upward movement of the rotating rod drives the connecting block to be inserted into the connecting groove, so that the motor drives the stirring shaft to rotate, and the rotation of the stirring shaft drives the inner partition to rotate, and at the same time drives the cleaning plate on the surface of the rotating tube to rotate to clean the inner barrel and the bottom of the outer partition, so as to avoid the residual juice from mixing with the fresh juice to affect the taste and quality of the juice, thereby ensuring the quality of the juice product.

[0026] 2. The juice preservation and anti-oxidation tank is provided with a conveying mechanism. The electric telescopic tube in the telescopic groove rotates and extends to drive the rotating block to be inserted into the rotating groove. When the stirring shaft rotates, it drives the inner partition in the outer partition to rotate and adjust the conveying hole to an open state, thereby improving the linkage between different mechanisms, avoiding contact between too many components and juice, reducing the possibility of chemical reaction between juice and other objects, and ensuring the freshness and quality of the juice. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the implementation scheme of the utility model or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0028] Figure 1 This is a schematic diagram of the structure of the present application from the left side and top view;

[0029] Figure 2 This is a schematic diagram of the cross-section of the structure of the present application when viewed from the left and upward;

[0030] Figure 3 This is an enlarged schematic diagram of the structure of Part A of this application;

[0031] Figure 4 This is an enlarged schematic diagram of the structure of Part B of this application;

[0032] Figure 5 This is a schematic diagram of the cross-section of the structure of the application from the right side and top view;

[0033] Figure 6 This is an enlarged schematic diagram of the structure of Part C of this application.

[0034] In the figure: 1. Fresh-keeping tank; 101. Insulated barrel; 102. Refrigeration layer; 103. Inner barrel; 2. Input valve; 3. Stirring mechanism; 301. Motor; 302. Stirring shaft; 303. Sealing sleeve; 304. Stirring blade; 4. Conveying mechanism; 401. Outer partition; 402. Inner partition; 403. Conveying hole; 404. Rotating groove; 405. Rotating block; 406. Telescopic groove; 407. Electric telescopic tube; 5. Cleaning mechanism; 501. Rotating tube; 502. Cleaning plate; 503. Rotating rod; 504. Connecting groove; 505. Connecting block; 506. Screw; 507. Turntable; 508. Fixed tube; 6. Output valve. DETAILED DESCRIPTION

[0035] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0036] The present application is further described in detail below through drawings and examples.

[0037] Reference Figure 2 , Figure 3 and Figure 4 The embodiment of the present application provides a juice preservation and anti-oxidation tank, comprising a preservation tank 1, a stirring mechanism 3 for preventing the precipitation of juice substances, and a conveying mechanism 4 for separating and conveying the preserved juice and the juice to be filled. The bottom of the preservation tank 1 is rotatably connected with a cleaning mechanism 5 for cleaning the space for temporarily storing and filling the juice. The cleaning mechanism 5 comprises a rotating tube 501 and a cleaning plate 502. The bottom of the rotating tube 501 is rotatably connected to the bottom of the preservation tank 1. The cleaning plate 502 is fixedly connected to the surface of the rotating tube 501. The inner wall of the rotating tube 501 is slidably connected with a rotating rod 503. The top of the rotating rod 503 is fixedly connected with a connecting block 505. The bottom of the conveying mechanism 4 is provided with a connecting groove 504. The shape and size of the connecting groove 504 are consistent with those of the connecting block 505. The bottom of the rotating rod 503 is fixedly connected to the surface of the rotating tube 501. A screw rod 506 is fixedly connected, and a turntable 507 is threadedly connected to the surface of the screw rod 506. A fixed tube 508 is fixedly connected to the bottom of the fresh-keeping tank 1. The inner wall of the fixed tube 508 is rotatably connected to the side of the turntable 507. The top of the stirring mechanism 3 is fixedly connected to the top of the fresh-keeping tank 1, and the side of the conveying mechanism 4 is fixedly connected to the inner wall of the fresh-keeping tank 1. The turntable 507 in the fixed tube 508 rotates to drive the rotating rod 503 on the top of the screw rod 506 to move upward. The upward movement of the rotating rod 503 drives the connecting block 505 to be inserted into the connecting groove 504, so that the motor 301 drives the stirring shaft 302 to rotate, and the rotation of the stirring shaft 302 drives the inner partition 402 to rotate, and at the same time drives the cleaning plate 502 on the surface of the rotating tube 501 to rotate to clean the inner barrel 103 and the bottom of the outer partition 401.

[0038] Reference Figure 1 and Figure 5In one aspect of the present embodiment, the fresh-keeping tank 1 includes a heat preservation barrel 101 and an inner barrel 103. The inner wall of the heat preservation barrel 101 is fixedly connected with a refrigeration layer 102. The bottom of the heat preservation barrel 101 is fixedly connected to the top of the fixed pipe 508. The surface of the inner barrel 103 is fixedly connected to the inner wall of the refrigeration layer 102. An input valve 2 is fixedly connected to the upper left side of the surface of the fresh-keeping tank 1. An output valve 6 is fixedly connected to the lower left side of the surface of the fresh-keeping tank 1. The refrigeration layer 102 on the outer side of the inner barrel 103 cools the juice to keep it fresh. The heat preservation barrel 101 keeps the juice at a constant temperature. The juice is transported to the fresh-keeping tank 1 through the input valve 2, and the juice is transported to the filling container through the output valve 6.

[0039] Reference Figure 1 and Figure 2 In one aspect of the present embodiment, the stirring mechanism 3 includes a motor 301 and a sealing sleeve 303. The motor 301 is fixedly connected to the top of the heat preservation barrel 101. The output shaft of the motor 301 is fixedly connected to the stirring shaft 302. The surface of the stirring shaft 302 is fixedly connected to the stirring blade 304. The surface of the sealing sleeve 303 is fixedly connected to the center of the top of the heat preservation barrel 101. The inner wall of the sealing sleeve 303 is in contact with the surface of one end of the stirring shaft 302. The output shaft of the motor 301 rotates to drive the stirring shaft 302 in contact with the sealing sleeve 303 to rotate. The rotation of the stirring shaft 302 drives the stirring blade 304 to rotate, so that the juice is mixed evenly.

[0040] Reference Figure 5 and Figure 6 In one aspect of the present embodiment, the conveying mechanism 4 includes an outer partition 401 and a conveying hole 403. The side of the outer partition 401 is fixedly connected to the inner wall of the inner barrel 103. The top center of the outer partition 401 is rotatably connected to the bottom of the stirring shaft 302. The inner wall of the outer partition 401 is rotatably connected to the inner partition 402. The conveying hole 403 is opened on one side of the outer partition 401 and the inner partition 402. The connecting groove 504 is opened at the bottom of the outer partition 401 and the inner partition 402. The top center of the inner partition 402 is opened. A rotating groove 404 is provided, a telescopic groove 406 is opened at the bottom of the stirring shaft 302, an electric telescopic tube 407 is fixedly connected to the top of the telescopic groove 406, a rotating block 405 is fixedly connected to the bottom of the electric telescopic tube 407, the rotating block 405 is slidably connected to the rotating groove 404, the electric telescopic tube 407 in the telescopic groove 406 rotates and extends to drive the rotating block 405 to insert into the rotating groove 404, and when the stirring shaft 302 rotates, it drives the inner partition 402 in the outer partition 401 to rotate to adjust the conveying hole 403 to an open state.

[0041] All electrical equipment in this solution are powered by an external power supply.

[0042] Working principle: When in use, the refrigeration layer 102 outside the inner barrel 103 cools the juice to keep it fresh, the insulation barrel 101 keeps the juice at a constant temperature, and the juice is transported to the fresh-keeping tank 1 through the input valve 2. The output shaft of the motor 301 rotates to drive the stirring shaft 302 that fits the sealing sleeve 303 to rotate, and the stirring shaft 302 rotates to drive the stirring blade 304 to rotate, so that the juice is mixed evenly. When filling is required, the electric telescopic tube 407 in the telescopic groove 406 rotates and extends to drive the rotating block 405 to insert into the rotating groove 404. When the stirring shaft 302 rotates, it drives the inner partition 402 in the outer partition 401 to rotate to adjust the delivery hole 403 to the open state, and some of the juice is stored at the bottom of the inner barrel 103. The output valve 6 delivers the juice to the filling container. When the fresh-keeping tank 1 needs to be cleaned, the turntable 507 in the fixed tube 508 rotates to drive the rotating rod 503 on the top of the screw 506 to move upward. The rotating rod 503 moves upward to drive the connecting block 505 to be inserted into the connecting groove 504. The output shaft of the motor 301 rotates to drive the stirring shaft 302 that is in contact with the sealing sleeve 303 to rotate. The stirring shaft 302 rotates to drive the stirring blades 304 to rotate and drive the cleaning water to clean the upper half of the inner wall of the inner barrel 103. When the stirring shaft 302 rotates, it drives the inner partition 402 in the outer partition 401 to rotate, and at the same time drives the cleaning plate 502 on the surface of the rotating tube 501 to rotate to clean the inner barrel 103 and the bottom of the outer partition 401.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A juice preservation and anti-oxidation tank, comprising a preservation tank (1), a stirring mechanism (3) for preventing the precipitation of juice substances, and a conveying mechanism (4) for separating and conveying the juice to be preserved and the juice to be filled, characterized in that: The bottom of the fresh-keeping tank (1) is rotatably connected to a cleaning mechanism (5) for facilitating cleaning of a space for temporarily storing and filling juice. The cleaning mechanism (5) comprises a rotating tube (501) and a cleaning plate (502). The bottom of the rotating tube (501) is rotatably connected to the bottom of the fresh-keeping tank (1), the cleaning plate (502) is fixedly connected to the surface of the rotating tube (501), the top of the stirring mechanism (3) is fixedly connected to the top of the fresh-keeping tank (1), and the side of the conveying mechanism (4) is fixedly connected to the inner wall of the fresh-keeping tank (1).

2. A juice preservation and anti-oxidation tank according to claim 1, characterized in that: The cleaning mechanism (5) further comprises a rotating rod (503) and a connecting groove (504); the rotating rod (503) is slidably connected to the inner wall of the rotating tube (501); a connecting block (505) is fixedly connected to the top of the rotating rod (503); the connecting groove (504) is arranged at the bottom of the conveying mechanism (4); and the shape and size of the connecting groove (504) are consistent with those of the connecting block (505).

3. A juice preservation and anti-oxidation tank according to claim 2, characterized in that: The cleaning mechanism (5) further comprises a screw (506) and a fixed tube (508); the top of the screw (506) is fixedly connected to the bottom of the rotating rod (503); a rotating disk (507) is threadedly connected to the surface of the screw (506); the top of the fixed tube (508) is fixedly connected to the bottom of the fresh-keeping tank (1); and the inner wall of the fixed tube (508) is rotatably connected to the side of the rotating disk (507).

4. The juice preservation and anti-oxidation tank according to claim 1, characterized in that: The fresh-keeping tank (1) comprises a heat preservation barrel (101) and an inner barrel (103); the inner wall of the heat preservation barrel (101) is fixedly connected to a refrigeration layer (102); the bottom of the heat preservation barrel (101) is fixedly connected to the top of a fixed pipe (508); and the surface of the inner barrel (103) is fixedly connected to the inner wall of the refrigeration layer (102).

5. A juice preservation and anti-oxidation tank according to claim 4, characterized in that: An input valve (2) is fixedly connected to the upper left side of the surface of the fresh-keeping tank (1), and an output valve (6) is fixedly connected to the lower left side of the surface of the fresh-keeping tank (1).

6. The juice preservation and anti-oxidation tank according to claim 1, characterized in that: The stirring mechanism (3) comprises a motor (301) and a sealing sleeve (303); the motor (301) is fixedly connected to the top of the heat preservation barrel (101); the output shaft of the motor (301) is fixedly connected to a stirring shaft (302); the surface of the stirring shaft (302) is fixedly connected to a stirring blade (304); the surface of the sealing sleeve (303) is fixedly connected to the center of the top of the heat preservation barrel (101); and the inner wall of the sealing sleeve (303) is in contact with the surface of one end of the stirring shaft (302).

7. The juice preservation and anti-oxidation tank according to claim 2, characterized in that: The conveying mechanism (4) comprises an outer partition (401) and a conveying hole (403); the side surface of the outer partition (401) is fixedly connected to the inner wall of the inner barrel (103); the center of the top of the outer partition (401) is rotatably connected to the bottom of the stirring shaft (302); the inner wall of the outer partition (401) is rotatably connected to the inner partition (402); the conveying hole (403) is provided on one side of the outer partition (401) and the inner partition (402); and the connecting groove (504) is provided at the bottom of the outer partition (401) and the inner partition (402).

8. The juice preservation and anti-oxidation tank according to claim 7, characterized in that: The conveying mechanism (4) further comprises a rotating groove (404) and a telescopic groove (406), wherein the rotating groove (404) is arranged at the top center of the inner partition (402), and the telescopic groove (406) is arranged at the bottom of the stirring shaft (302), and an electric telescopic tube (407) is fixedly connected to the top of the telescopic groove (406), and a rotating block (405) is fixedly connected to the bottom of the electric telescopic tube (407), and the rotating block (405) is slidably connected to the rotating groove (404).

Citation Information

Patent Citations

  • Rosa roxburghii tratt fruit juice fresh-keeping and anti-oxidation device

    CN213706572U