Oil residue precipitation tank for tea-seed oil

By introducing a movable gate and guide plate structure into the tea seed oil residue sedimentation tank, and combining it with a laser sensor to automatically adjust the height of the movable gate, the problem of tea seed oil adulteration caused by changes in the thickness of the residue during tea seed oil production was solved, thereby improving the oil yield and separation efficiency.

CN223654620UActive Publication Date: 2025-12-12GUANGXI MUZHEN TECH CO LTD
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Patent Information

Application Number
CN202423086096.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-12-12
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing oil residue sedimentation and collection devices for tea seed oil production cannot adapt to changes in oil residue thickness, resulting in oil residue easily mixed into the tea seed oil and low oil yield.

Method used

A tea seed oil residue sedimentation tank was designed, which adopts a movable door and guide plate structure, combined with laser sensors and driving components, to automatically adjust the height of the movable door to adapt to changes in the thickness of the residue, thereby ensuring the tea seed oil separation effect and oil yield.

Benefits of technology

It achieves low oil residue contamination, high oil yield, and high separation efficiency in tea seed oil, and is suitable for the preliminary separation and screening of tea seed oil.

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Abstract

The utility model discloses a tea seed oil residue precipitation tank which comprises a rack, a tank body and a movable door, the tank body is fixedly installed on the rack, one end of the tank body in the length direction is provided with an oil discharge outlet, the movable door is vertically connected with the tank body in a sliding mode, the movable door blocks the oil discharge outlet, the top of the movable door is provided with an oil discharge groove, and the oil discharge groove is connected with the tank body in a sliding mode. A driving part is fixedly installed on the machine frame, the machine frame is rotationally connected with a driving lead screw, the driving lead screw is fixedly connected with the output end of the driving part, the lower end of the movable door is fixedly connected with a connecting plate, and the driving lead screw is in threaded connection with the connecting plate. The utility model has the beneficial effects that tea seed oil can be discharged according to the thickness of oil residue deposited at the bottom of the tank body, so that the oil residue discharged from the tank body along with the tea seed oil is less, clean tea seed oil can be discharged as much as possible, the oil extraction rate is effectively improved, and the advantage that the separated tea seed oil is not easily doped with the oil residue is achieved; the separation efficiency is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sedimentation tank, concretely relates to a tea seed oil oil residue sedimentation tank. BACKGROUND

[0002] Tea seed oil is a high-quality edible oil plant, with a pleasant smell, a pure taste, good stability, a long shelf life, easy digestion and absorption, and other advantages, and has a high market value. Tea seed oil needs to be harvested first during production, and then the tea fruits are dried, crushed, steamed and fried, and then the tea seed oil is produced by using a machine. The tea seed oil pressed out often contains some impurities, so it needs to be separated and impurities removed to improve the quality of the tea seed oil.

[0003] The Chinese utility model patent with the publication number CN215026820U discloses an oil residue sedimentation and collection device for tea seed oil production, relating to the technical field of tea seed oil production and processing, which comprises a sedimentation tank, a middle group seat is fixedly connected to the middle part of the sedimentation tank, a first residue discharge pipe is fixedly connected to the central vertical part of the middle seat, a residue discharge filtering mechanism is arranged in the first residue discharge pipe, a discharge cover is fixedly connected to the top of the first residue discharge pipe, a plurality of feeding openings are formed on the outer side of the first residue discharge pipe at the top of the middle seat, a partition plate is arranged below the middle seat, a plurality of leakage grooves are formed in the partition plate, an oil discharge pump and a residue discharge pump are fixedly arranged outside the sedimentation tank, and the input ends of the oil discharge pump and the residue discharge pump are fixedly connected with an oil discharge pipe and a second residue discharge pipe respectively. The residue discharge filtering mechanism can separate the oil residue with a large volume from the tea seed oil, and the partition plate can separate and settle the tea seed oil, so that the oil residue in the tea seed oil can be separated quickly and effectively.

[0004] During production, the content of impurities in the tea seed oil is affected by the process, equipment and quality of the tea fruit raw material, resulting in changes in the thickness of the oil residue settled at the bottom of the sedimentation tank. The oil residue sedimentation and collection device for tea seed oil production has a fixed height of the oil discharge pipe, and when the thickness of the oil residue settled at the bottom changes after multiple uses, the oil residue sedimentation and collection device for tea seed oil production cannot be adjusted adaptively. When the thickness of the oil residue is large, the settled oil residue is easy to enter the oil discharge pipe. If the oil discharge pipe is installed at a higher position, the amount of separated tea seed oil will be reduced. Therefore, the existing technology has the technical problem that the separated tea seed oil is easy to be mixed with oil residue. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the purpose of the utility model is to provide a tea seed oil oil residue sedimentation tank, which comprises a rack, a tank body and a movable door. The tea seed oil oil residue sedimentation tank has the advantage that the separated tea seed oil is not easy to be mixed with oil residue.

[0006] To achieve the above-mentioned utility model purposes, the technical solutions adopted by the utility model are as follows:

[0007] The utility model provides a tea seed oil oil residue precipitation tank, including frame, tank body, movable door, tank body fixed mounting is in frame, one end of tank body length direction is equipped with oil discharge port, movable door and tank body vertical slidingly connected, movable door blocks up oil discharge port, movable door top is equipped with oil discharge groove, movable door side away from tank body is fixedly connected with the deflector, deflector is inclined to set, deflector end away from movable door inclines downward, frame fixed mounting has the drive piece, frame rotationally connected with drive screw rod, drive screw rod and drive piece output fixedly connected, movable door lower end fixedly connected with the connecting plate, drive screw rod and connecting plate are threadedly connected.

[0008] Through such setting: can adapt the thickness of oil residue precipitated in the tank body bottom and discharge tea seed oil, guarantee with tea seed oil discharging tank body less oil residue, can as far as possible discharge clean tea seed oil, effectively improve the oil yield, reach the advantage that the separated tea seed oil is not easy to mix with oil residue, high separation efficiency, be applicable to the preliminary separation screening of tea seed oil.

[0009] As preferred, the tank body is fixedly installed with a guide rod, the guide rod is slidably connected with a floating block, the floating block is installed with a support plate, the support plate is installed with a support frame, the support frame is fixedly connected with a reflector plate, the movable door is fixedly connected with a connecting frame, the connecting frame is provided with a first mounting plate, the first mounting plate is installed with a first laser sensor facing the reflector plate.

[0010] Through such setting: realize the function that the movable door height is adaptively and automatically reduced according to the reduction of the tea seed oil liquid level height in the tank body, prevent the oil residue precipitated to the bottom from moving upward with the flow of tea seed oil, and ensure the effect of precipitation separation.

[0011] As preferred, the connecting frame is fixedly connected with a connecting rod, the first mounting plate is slidably connected with the connecting rod, the connecting rod is slidably connected with a second mounting plate, the second mounting plate is installed with a second laser sensor facing the reflector plate, and the second laser sensor is located above the first laser sensor.

[0012] Through such setting: prevent the oil residue precipitated to the bottom from moving upward with the flow of tea seed oil, and ensure the effect of precipitation separation.

[0013] As preferred, the connecting rod is sleeved with a spacing sleeve, and the spacing sleeve is clamped with the second mounting plate at the upper end and the second mounting plate at the lower end.

[0014] Through such setting: prevent the first laser sensor and the second laser sensor from being too close.

[0015] As preferred, the connecting rod is sleeved with a fixing sleeve, the upper end of the connecting rod is threadedly connected with a fixing nut, the upper and lower ends of the fixing sleeve are respectively clamped with the fixing nut and the second mounting plate, and the lower side of the first mounting plate is clamped with the connecting frame.

[0016] Through the arrangement, the first laser sensor and the second laser sensor are fixed.

[0017] As preferred, two support plates are arranged, the two support plates are arranged along the direction close to the connecting frame, the support frame is located between the two support plates, the two support plates are provided with locking screws, and the locking screws are threadedly connected with locking nuts clamped with the support plates close to the connecting frame.

[0018] Through the arrangement, the support frame is fixed on the support plate.

[0019] As preferred, the support frame is provided with a through slot for the locking screw to pass through.

[0020] Through the arrangement, the height of the reflecting plate is adapted to the height of the first laser sensor and the second laser sensor.

[0021] As preferred, the support plate close to the connecting frame is fixedly connected with a clamping sleeve, and the clamping sleeve is circumferentially clamped with the locking nut.

[0022] Through the arrangement, the locking screw can be tightened only by operating on the side of the support plate away from the movable door, and the operation is convenient.

[0023] As preferred, the movable door is fixedly connected with a mounting frame, the mounting frame is fixedly installed with a lighting lamp, the mounting frame and the connecting frame are respectively located at two ends of the flow guide plate, the mounting frame is rotationally connected with a lampshade, and the mounting frame is threadedly connected with a positioning screw abutting against the lampshade.

[0024] Through the arrangement, the tea seed oil on the flow guide plate is illuminated by the lighting lamp, and the function of conveniently observing whether the discharged tea seed oil contains oil residue is achieved.

[0025] Compared with the prior art, the utility model has the beneficial technical effects:

[0026] 1. After the oil residue is deposited, the tea seed oil after deposition can be discharged through the oil discharge groove by driving the movable door to move downward. When the bottom of the oil discharge groove approaches the oil residue deposited in the groove body, the movable door is stopped from moving, so that the tea seed oil can be discharged according to the thickness of the oil residue deposited at the bottom of the groove body, the oil residue discharged from the groove body with the tea seed oil is less, clean tea seed oil can be discharged as much as possible, the oil yield is effectively improved, the separated tea seed oil is not easy to be mixed with oil residue, the separation efficiency is high, and the utility model is suitable for the preliminary separation and screening of tea seed oil.

[0027] 2. Slide the movable door down to the bottom so that its height is lower than the oil drain port. This makes it easier to clean the oil residue in the tank and reduces the amount of oil residue remaining in the tank. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of a tea seed oil residue sedimentation tank in an embodiment of this utility model;

[0029] Figure 2 This is a schematic diagram of the drive screw and the movable door in an embodiment of this utility model;

[0030] Figure 3 This is a schematic diagram of the structure of the connecting frame, the first laser sensor, the second laser sensor, and the reflector in this embodiment of the present invention;

[0031] Figure 4 This is a schematic diagram of the mounting bracket and lighting lamp in an embodiment of this utility model.

[0032] The technical features referred to by the various reference numerals in the accompanying drawings are as follows:

[0033] 11. Frame; 12. Tank; 13. Oil drain port; 14. Movable door; 15. Oil drain trough; 16. Guide plate; 17. Drive component; 18. Drive screw; 19. Connecting plate; 21. Guide rod; 22. Float block; 23. Support plate; 24. Support frame; 25. Reflector; 26. Locking screw; 27. Locking nut; 28. Through slot; 29. ​​Sleeve; 31. Connecting frame; 32. Connecting rod; 33. First mounting plate; 34. First laser sensor; 35. Second mounting plate; 36. Second laser sensor; 37. Spacer sleeve; 38. Fixing sleeve; 39. Fixing nut; 41. Mounting bracket; 42. Lighting lamp; 43. Lamp cover; 44. Positioning screw. Detailed Implementation

[0034] To make the objectives, technical solutions and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments. However, the scope of protection of this utility model is not limited to the specific embodiments described below.

[0035] refer to Figures 1-4 A tea seed oil residue sedimentation tank includes a frame 11, a tank body 12, a movable door 14, and a control module.

[0036] The groove body 12 is fixedly installed on the rack 11, one end of the length direction of the groove body 12 is provided with an oil outlet 13, a movable door 14 is vertically slidably connected with the groove body 12, the movable door 14 blocks the oil outlet 13, the top of the movable door 14 is provided with an oil discharge groove 15, the side of the movable door 14 away from the groove body 12 is fixedly connected with a flow guide plate 16, the flow guide plate 16 is obliquely arranged, the end of the flow guide plate 16 away from the movable door 14 is downwardly inclined, the rack 11 is fixedly installed with a driving member 17, the driving member 17 is a motor. The rack 11 is rotationally connected with a driving screw 18, the driving screw 18 is fixedly connected with the output end of the driving member 17, the lower end of the movable door 14 is fixedly connected with a connecting plate 19, the driving screw 18 is threadedly connected with the connecting plate 19.

[0037] A guide rod 21 is fixedly installed in the groove body 12, the guide rod 21 is slidably connected with a floating block 22, the floating block 22 is installed with a support plate 23, the support plate 23 is installed with a support frame 24, the support frame 24 is fixedly connected with a reflecting plate 25, the movable door 14 is fixedly connected with a connecting frame 31, the connecting frame 31 is provided with a first mounting plate 33, the first mounting plate 33 is installed with a first laser sensor 34 facing the reflecting plate 25. In the embodiment, the control module adopts a plc, the control module is electrically connected with the driving member 17, the first laser sensor 34 and a second laser sensor 36. In the process of discharging the tea seed oil in the groove body 12, the liquid level in the groove body 12 will be lowered, so that the floating block 22 floating on the tea seed oil also moves downwardly, the floating block 22 drives the reflecting plate 25 to move downwardly. When the reflecting plate 25 moves downwardly to the front of the first laser sensor 34, the reflecting plate 25 reflects the laser emitted by the first laser sensor 34 to the first laser sensor 34, so that the first laser sensor 34 detects the reflecting plate 25 and sends a first detection signal to the control module, the control module controls the driving member 17 to operate, so that the driving member 17 drives the movable door 14 to move downwardly through the screw rod, until the movable door 14 drives the first laser sensor 34 to move downwardly to be disengaged from the reflecting plate 25 and stop moving, so that the tea seed oil in the groove body 12 can continue to be discharged through the oil discharge groove 15. The height of the movable door 14 is automatically lowered adaptively according to the reduction of the liquid level of the tea seed oil in the groove body 12, so that the tea seed oil can be discharged through the oil discharge groove 15, and the oil residue precipitated to the bottom is prevented from moving upwardly with the flow of the tea seed oil, so that the effect of precipitation separation is ensured.

[0038] The connecting rod 32 is sleeved with a spacing sleeve 37, and the upper and lower ends of the spacing sleeve 37 are respectively clamped with the second mounting plate 35 and the second mounting plate 35. By blocking the first mounting plate 33 and the second mounting plate 35 through the spacing sleeve 37, the spacing of the first mounting plate 33 and the second mounting plate 35 can be positioned, and the first laser sensor 34 and the second laser sensor 36 are prevented from being too close. The connecting rod 32 is sleeved with a fixed sleeve 38, the upper end of the connecting rod 32 is threadedly connected with a fixed nut 39, the upper and lower ends of the fixed sleeve 38 are respectively clamped with the fixed nut 39 and the second mounting plate 35, and the lower side of the first mounting plate 33 is clamped with the connecting frame 31. The fixed nut 39 is tightened, the second mounting plate 35, the spacing sleeve 37 and the first mounting plate 33 are pressed tightly by the fixed sleeve 38, and the first laser sensor 34 and the second laser sensor 36 are fixed. The two support plates 23 are arranged along the direction close to the connecting frame 31, the support frame 24 is located between the two support plates 23, the two support plates 23 are provided with locking screws 26, and the locking screws 26 are threadedly connected with locking nuts 27 clamped with the support plates 23 close to the connecting frame 31. The locking screw 26 is tightened, the locking screw 26 and the locking nut 27 exert pressure on the two support plates 23, so that the two support plates 23 clamp the support frame 24, and the support frame 24 is fixed on the support plate 23.

[0039] The connecting rod 32 is sleeved with a spacing sleeve 37, and the upper and lower ends of the spacing sleeve 37 are respectively clamped with the second mounting plate 35 and the second mounting plate 35. By blocking the first mounting plate 33 and the second mounting plate 35 through the spacing sleeve 37, the spacing of the first mounting plate 33 and the second mounting plate 35 can be positioned, and the first laser sensor 34 and the second laser sensor 36 are prevented from being too close. The connecting rod 32 is sleeved with a fixed sleeve 38, the upper end of the connecting rod 32 is threadedly connected with a fixed nut 39, the upper and lower ends of the fixed sleeve 38 are respectively clamped with the fixed nut 39 and the second mounting plate 35, and the lower side of the first mounting plate 33 is clamped with the connecting frame 31. The fixed nut 39 is tightened, the second mounting plate 35, the spacing sleeve 37 and the first mounting plate 33 are pressed tightly by the fixed sleeve 38, and the first laser sensor 34 and the second laser sensor 36 are fixed. The two support plates 23 are arranged along the direction close to the connecting frame 31, the support frame 24 is located between the two support plates 23, the two support plates 23 are provided with locking screws 26, and the locking screws 26 are threadedly connected with locking nuts 27 clamped with the support plates 23 close to the connecting frame 31. The locking screw 26 is tightened, the locking screw 26 and the locking nut 27 exert pressure on the two support plates 23, so that the two support plates 23 clamp the support frame 24, and the support frame 24 is fixed on the support plate 23.

[0040] The support frame 24 is provided with a through slot 28 for the locking screw 26 to pass through. The locking screw 26 is loosened, the support frame 24 is vertically slid on the support plate 23, the support frame 24 avoids the locking screw 26 through the through slot 28, the height of the support frame 24 and the height of the reflector plate 25 are adjusted, the height of the reflector plate 25 is adapted to the height of the first laser sensor 34 and the second laser sensor 36. The support plate 23 close to the connecting frame 31 is fixedly connected with a clamping sleeve 29, and the clamping sleeve 29 is circumferentially clamped with the locking nut 27. When the locking screw 26 is rotated on the side of the support plate 23 away from the movable door 14, the locking nut 27 is clamped by the clamping sleeve 29, and the locking nut 27 is prevented from rotating with the locking screw 26, so that the locking screw 26 can be tightened only on the side of the support plate 23 away from the movable door 14, avoiding the interference of the movable door 14 on the tightening of the locking screw 26 and the locking nut 27, and facilitating the operation.

[0041] The movable door 14 is fixedly connected with a mounting frame 41, and the mounting frame 41 is fixedly installed with a lighting lamp 42. The lighting lamp 42 illuminates the tea seed oil on the flow guide plate 16, and plays a role of facilitating observation of whether the discharged tea seed oil contains oil residue. The mounting frame 41 and the connecting frame 31 are located at two ends of the flow guide plate 16, respectively. The mounting frame 41 and the connecting frame 31 are arranged at two ends of the flow guide plate 16, play a role of counterweight, balance the stress at two ends of the movable door 14, and improve the stability of the movable door 14. The mounting frame 41 is rotationally connected with a lampshade 43, and the mounting frame 41 is threadedly connected with a positioning screw 44 abutting against the lampshade 43. The lampshade 43 is rotated on the mounting frame 41, the angle of the lampshade 43 is adjusted, the irradiation direction of the lighting lamp 42 is adjusted, the positioning screw 44 is tightened after the adjustment is completed, the positioning screw 44 abuts against the lampshade 43, and the lampshade 43 is locked by friction force.

[0042] The tea seed oil is poured into the groove body 12 for sedimentation, and the oil residue in the tea seed oil is sedimented to the bottom of the groove body 12 by gravity. Then the driving piece 17 drives the screw rod to rotate, the connecting plate 19 and the movable door 14 threadedly connected with the screw rod are moved downward in the rotating process, the lower end of the oil discharge groove 15 is lower than the liquid level of the tea seed oil in the groove body 12, and thus the tea seed oil with less impurities at the liquid level can be separated from the groove body 12, and the function of sedimentation and separation is realized.

[0043] The embodiment has the following advantages:

[0044] After the oil residue is precipitated, the tea seed oil after the precipitation can be discharged through the oil discharge groove 15 by driving the movable door 14 to move downward. When the bottom of the oil discharge groove 15 approaches the oil residue precipitated in the groove body 12, the movement of the movable door 14 is stopped, so that the tea seed oil can be discharged according to the thickness of the oil residue precipitated at the bottom of the groove body 12, the tea seed oil discharged from the groove body 12 is less, the clean tea seed oil can be discharged as much as possible, the oil yield is effectively improved, the tea seed oil separated is not easy to be mixed with the oil residue, the separation efficiency is high, and the tea seed oil is suitable for preliminary separation and screening.

[0045] The movable door 14 is slid downward to the bottom, the height of the movable door 14 is lower than the oil discharge port 13, the movable door 14 can play a role of facilitating the cleaning of the oil residue in the groove body 12, and the residual oil residue in the groove body 12 is reduced.

[0046] According to the disclosure and teaching of the above description, the person skilled in the art of the utility model can also change and modify the above embodiments. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the utility model should fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the utility model.

Claims

1. A tea seed oil residue sedimentation tank, characterized in that: The system includes a frame (11), a tank (12), and a movable door (14). The tank (12) is fixedly installed on the frame (11). One end of the tank (12) along its length is provided with an oil drain port (13). The movable door (14) is vertically slidably connected to the tank (12) and blocks the oil drain port (13). The top of the movable door (14) is provided with an oil drain groove (15). A guide plate is fixedly connected to the side of the movable door (14) away from the tank (12). (16) The guide plate (16) is inclined, and the end of the guide plate (16) away from the movable door (14) is inclined downward. The frame (11) is fixedly installed with a drive component (17). The frame (11) is rotatably connected with a drive screw (18). The drive screw (18) is fixedly connected to the output end of the drive component (17). The lower end of the movable door (14) is fixedly connected with a connecting plate (19). The drive screw (18) is threadedly connected to the connecting plate (19).

2. The tea seed oil residue sedimentation tank according to claim 1, characterized in that: A guide rod (21) is fixedly installed inside the trough (12). A floating block (22) is slidably connected to the guide rod (21). A support plate (23) is installed on the floating block (22). A support frame (24) is installed on the support plate (23). A reflector (25) is fixedly connected to the support frame (24). A connecting frame (31) is fixedly connected to the movable door (14). A first mounting plate (33) is provided on the connecting frame (31). A first laser sensor (34) facing the reflector (25) is installed on the first mounting plate (33).

3. The tea seed oil residue sedimentation tank according to claim 2, characterized in that: The connecting frame (31) is fixedly connected to the connecting rod (32), the first mounting plate (33) is slidably connected to the connecting rod (32), the connecting rod (32) is slidably connected to the second mounting plate (35), the second mounting plate (35) is equipped with a second laser sensor (36) facing the reflector (25), and the second laser sensor (36) is located above the first laser sensor (34).

4. The tea seed oil residue sedimentation tank according to claim 3, characterized in that: The connecting rod (32) is fitted with a spacer sleeve (37), and the upper and lower ends of the spacer sleeve (37) are respectively engaged with the second mounting plate (35) and the second mounting plate (35).

5. The tea seed oil residue sedimentation tank according to claim 4, characterized in that: The connecting rod (32) is fitted with a fixing sleeve (38), and a fixing nut (39) is threaded to the upper end of the connecting rod (32). The upper and lower ends of the fixing sleeve (38) are respectively engaged with the fixing nut (39) and the second mounting plate (35). The lower side of the first mounting plate (33) is engaged with the connecting frame (31).

6. The tea seed oil residue sedimentation tank according to claim 2, characterized in that: Two support plates (23) are provided in total. The two support plates (23) are arranged in the direction close to the connecting frame (31). The support frame (24) is located between the two support plates (23). Locking screws (26) are passed through the two support plates (23). The locking screws (26) are threaded with locking nuts (27) that engage with the support plates (23) close to the connecting frame (31).

7. The tea seed oil residue sedimentation tank according to claim 6, characterized in that: The support frame (24) is provided with a through slot (28) through which the locking screw (26) passes.

8. The tea seed oil residue sedimentation tank according to claim 6, characterized in that: A retaining sleeve (29) is fixedly connected to the support plate (23) near the connecting frame (31), and the retaining sleeve (29) is circumferentially engaged with the locking nut (27).

9. The tea seed oil residue sedimentation tank according to claim 2, characterized in that: The movable door (14) is fixedly connected to a mounting bracket (41), and a lighting lamp (42) is fixedly installed on the mounting bracket (41). The mounting bracket (41) and the connecting bracket (31) are located at both ends of the guide plate (16). The mounting bracket (41) is rotatably connected to a lampshade (43), and the mounting bracket (41) is threadedly connected to a positioning screw (44) that abuts against the lampshade (43).

Citation Information

Patent Citations

  • Oil residue precipitation and collection device for tea seed oil production

    CN215026820U