CN112970874A - Swing control mechanism with swing range capable of being controlled rapidly and accurately for tea production - Google Patents
Swing control mechanism with swing range capable of being controlled rapidly and accurately for tea production Download PDFInfo
- Publication number
- CN112970874A CN112970874A CN202110286810.8A CN202110286810A CN112970874A CN 112970874 A CN112970874 A CN 112970874A CN 202110286810 A CN202110286810 A CN 202110286810A CN 112970874 A CN112970874 A CN 112970874A
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- swing
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- swing control
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- 241001122767 Theaceae Species 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 29
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 238000004898 kneading Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
- A23F3/12—Rolling or shredding tea leaves
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
Abstract
The invention discloses a swing control mechanism capable of quickly and accurately controlling the swing amplitude for tea production, which comprises a swing main body, an installation connecting disc, a control and adjustment main body, a rotating disc, a fastening threaded column and installation connecting threaded holes, wherein the swing main body comprises a second fixed mounting hole, a fixed mounting disc, a swing control frame and swing control grooves, the swing control grooves are symmetrically formed in the swing control frame, the front end of the swing control frame is rotatably clamped in the fixed mounting disc, the second fixed mounting hole uniformly penetrates through the edge of the fixed mounting disc, the front end of the swing control frame is fixedly provided with the installation connecting disc, the installation connecting disc is rotatably clamped with the rotating disc, and the installation connecting threaded holes are uniformly formed in the rotating disc. In the using process of the tea extruding and kneading machine, the swinging amplitude of the swinging control frame can be quickly and conveniently adjusted and controlled according to the tea extruding and kneading of different quantities, so that the tea quality after extruding and kneading is excellent.
Description
Technical Field
The invention relates to the technical field of tea production, in particular to a swing control mechanism with a swing amplitude capable of being controlled quickly and accurately for tea production.
Background
Need extrude tealeaves to rub at the in-process that tea production was established, the swing control mechanism that current tea production processing used can not control swing mechanism's swing range according to how much quick convenient of tealeaves volume at the in-process that uses, therefore the wobbling range is great when often can appear tealeaves volume more, thereby cause to rub broken serious with tealeaves, the dynamics of kneading when tealeaves volume is less is not enough phenomenon appears, consequently need a device to solve above-mentioned problem urgently, make according to the different quick convenient swing range to swing control mechanism of tealeaves volume of placing when extruding the tealeaves to different volumes and rub.
Disclosure of Invention
The invention aims to provide a swing control mechanism capable of quickly and accurately controlling the swing amplitude for tea production, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a swing control mechanism capable of quickly and accurately controlling swing amplitude for tea production comprises a swing main body, an installation connecting disc, a control and regulation main body, a rotating disc, fastening threaded columns and installation connecting threaded holes, wherein the swing main body comprises a second fixed mounting hole, a fixed mounting disc, a swing control frame and a swing control groove, the swing control groove is symmetrically arranged in the swing control frame, the front end of the swing control frame is rotatably clamped in the fixed mounting disc, the second fixed mounting hole uniformly penetrates through the edge of the fixed mounting disc, the front end of the swing control frame is fixedly provided with the installation connecting disc, the installation connecting disc is rotatably clamped with the rotating disc, the installation connecting threaded holes are uniformly arranged on the rotating disc, the edge of the rotating disc is uniformly screwed and inserted with the fastening threaded columns, and the four fastening threaded columns and the installation connecting threaded holes are arranged, the control and adjustment main body is arranged on the inner side of the front end of the swinging main body, the bottom of the control and adjustment main body is arranged on the fixed support frame, the bottom end of the fixed support frame is uniformly provided with a first fixed mounting hole in a penetrating way, the control and adjustment main body comprises a control device, an adjusting device and an adjusting motor, the adjusting motor is fixedly connected to the outer end of the adjusting device, the control device is connected to one end of the adjusting device far away from the adjusting motor, a first adjusting gear is arranged in the adjusting device, the bottom end of the first adjusting gear is connected with a second adjusting gear in a meshing way, inserting columns are fixedly arranged in the middle of the front end faces of the first adjusting gear and the second adjusting gear, the upper end of the front end face of the first adjusting gear and the bottom end of the front end face of the second adjusting gear are both fixedly connected with sliding adjusting blocks, and adjusting control, the utility model discloses a swing regulating mechanism, including regulation control lever, first regulating gear and second regulating gear, the one end front portion of regulation control lever all rotates and is connected with the swing control lever, the equal fixedly connected with in terminal surface middle part that slide adjusting block was kept away from to first regulating gear and second regulating gear rotates regulating spindle and installation fixed axle, install the swing control motor among the controlling means, the front end fixedly connected with swing control arm of swing control motor, the front end of swing control arm rotates through the pivot and is connected with the drive regulating arm, the upper end of rotating the regulating spindle is connected with the connecting rod, the one end that the connecting rod is close to the drive regulating arm is run through and is seted up the slip adjustment groove, just the inside of the upper end slip mounting slip adjustment groove of drive regulating arm, the one end fixedly connected with adjustment disc in slip adjustment.
Preferably, the adjusting clamping groove is arranged in an arc shape, and the sliding adjusting block is connected inside the adjusting clamping groove in a sliding and clamping mode.
Preferably, one end of the adjusting control rod, which is far away from the swinging control rod, is rotatably inserted in the adjusting disc.
Preferably, the swing control rod is fitted with the swing control groove.
Preferably, the rotation adjusting shaft and the installation fixing shaft are rotatably inserted into the installation plate frame on the inner side of the adjusting disc in a splicing mode, the bottom of the installation plate frame is fixedly connected with the bottom of the adjusting disc, the middle of the installation frame is connected with the outside through a connecting shaft rod, the connecting shaft rod and the central line are located on the same straight line, and the top end of the rotation adjusting shaft is fixedly connected with the adjusting motor.
Preferably, the front end of the swing control motor is rotatably inserted into the upper end of the fixed support frame, and the fixed support frame is arranged in a T shape.
Compared with the prior art, the invention has the following beneficial effects:
the device can drive the swing control rod in the adjusting device to rotate back and forth in a reciprocating way by controlling the control device in the adjusting main body in the using process, the swing control rod rotating back and forth is inserted into the swing control groove in a sliding way, thereby utilizing the swing control groove to extrude the swing control frame, driving the swing control frame to move up and down by taking the middle part of the fixed mounting disc as an axis, driving the mounting connecting disc and the rotating disc to move up and down by the swing control frame swinging up and down, thereby indirectly driving the tea squeezing plate connected with the rotating disc to swing to squeeze and knead the tea, the swing amplitude of the swing control frame can be controlled and adjusted by adjusting the motor to drive the first adjusting gear and the second adjusting gear to rotate, therefore, the swing amplitude of the swing control frame can be correspondingly and rapidly adjusted and controlled according to different tea squeezing and kneading amounts.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a side view of the body of the present invention;
FIG. 3 is a schematic structural diagram of a swinging body according to the present invention;
FIG. 4 is a schematic structural diagram of a control and regulation body according to the present invention;
FIG. 5 is a schematic view of the adjusting device of the present invention;
fig. 6 is a schematic structural diagram of a control device according to the present invention.
In the figure: 1-swinging body, 2-mounting connecting disc, 3-control adjusting body, 4-rotating disc, 5-fastening threaded column, 6-mounting connecting threaded hole, 7-first fixed mounting hole, 8-fixed supporting frame, 9-second fixed mounting hole, 10-fixed mounting disc, 11-swinging control frame, 12-swinging control groove, 13-control device, 14-adjusting device, 15-adjusting motor, 16-rotating adjusting shaft, 17-first adjusting gear, 18-inserting column, 19-swinging control rod, 20-adjusting control rod, 21-sliding adjusting block, 22-second adjusting gear, 23-mounting fixed shaft, 24-swinging control motor, 25-swinging control arm, 26-driving adjusting arm, 27-sliding adjusting groove, 28-connecting rod, 29-adjusting clamping groove and 30-adjusting disk.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention is shown: a swing control mechanism with a swing amplitude capable of being controlled quickly and accurately for tea production comprises a swing main body 1, an installation connecting disc 2, a control adjusting main body 3, a rotating disc 4, a fastening threaded column 5 and an installation connecting threaded hole 6, wherein the swing main body 1 comprises a second fixed mounting hole 9, a fixed mounting disc 10, a swing control frame 11 and a swing control groove 12, the swing control groove 12 is symmetrically arranged in the swing control frame 11, the front end of the swing control frame 11 is rotationally clamped in the fixed mounting disc 10, the second fixed mounting hole 9 uniformly penetrates through the edge of the fixed mounting disc 10, the installation connecting disc 2 is fixedly arranged at the front end of the swing control frame 11, the rotating disc 4 is rotationally clamped on the installation connecting disc 2, the installation connecting threaded hole 6 is uniformly arranged on the rotating disc 4, the fastening threaded column 5 is inserted in the uniform threaded rotation of the edge of the rotating disc 4, the number of the fastening threaded columns 5 and the number of the mounting connection threaded holes 6 are four, the control adjusting main body 3 is mounted on the inner side of the front end of the swinging main body 1, the bottom of the control adjusting main body 3 is mounted on the fixed supporting frame 8, the bottom end of the fixed supporting frame 8 is uniformly provided with a first fixed mounting hole 7 in a penetrating manner, the control adjusting main body 3 comprises a control device 13, an adjusting device 14 and an adjusting motor 15, the adjusting motor 15 is fixedly connected to the outer end of the adjusting device 14, the control device 13 is connected to one end of the adjusting device 14 far away from the adjusting motor 15, a first adjusting gear 17 is mounted in the adjusting device 14, the bottom end of the first adjusting gear 17 is in meshing connection with a second adjusting gear 22, the middle parts of the front end surfaces of the first adjusting gear 17 and the second adjusting gear 22 are fixedly provided with inserting columns 18, the upper end of the front end surface of the first adjusting gear 17 and, the front end of the sliding adjusting block 21 is fixedly connected with an adjusting control rod 20, the front part of one end of the adjusting control rod 20 is rotatably connected with a swing control rod 19, the middle parts of the end surfaces of the first adjusting gear 17 and the second adjusting gear 22 far away from the sliding adjusting block 21 are fixedly connected with a rotating adjusting shaft 16 and an installation fixing shaft 23, a swing control motor 24 is installed in the control device 13, the front end of the swing control motor 24 is fixedly connected with a swing control arm 25, the front end of the swing control arm 25 is rotatably connected with a driving adjusting arm 26 through a rotating shaft, the upper end of the rotating adjusting shaft 16 is connected with a connecting rod 28, one end of the connecting rod 28 near the driving adjusting arm 26 is provided with a sliding adjusting groove 27, and the upper end of the driving adjusting arm 26 is slidably mounted inside the sliding adjusting groove 27, one end of the connecting rod 28 far away from the sliding adjusting groove 27 is fixedly connected with an adjusting disc 30, and adjusting clamping grooves 29 are symmetrically formed in the adjusting disc 30.
The adjusting clamping groove 29 is arranged in an arc shape, the sliding adjusting block 21 is slidably clamped in the adjusting clamping groove 29, one end of the adjusting control rod 20, which is far away from the swinging control rod 19, is rotatably inserted in the adjusting disc 30, the swinging control rod 19 is matched with the swinging control groove 12, the rotating adjusting shaft 16 and the mounting fixing shaft 23 are rotatably inserted in a mounting plate frame on the inner side of the adjusting disc 30, the bottom of the mounting plate frame is fixedly connected with the bottom of the adjusting disc 30, the middle part of the mounting frame is connected with the outside through a connecting shaft rod, the central lines of the connecting shaft rod and the connecting shaft rod 30 are positioned on the same straight line, the top end of the rotating adjusting shaft 16 is fixedly connected with the adjusting motor 15, the front end of the swinging controlling motor 24 is rotatably inserted in the upper end of the fixed supporting frame 8, the fixed supporting frame 8 is arranged in a T shape, the swinging control rod 19 in the adjusting device 14 can, the swing control rod 19 which rotates forward and backward in a reciprocating mode is inserted into the swing control groove 12 in a sliding mode, the swing control groove 12 is used for extruding the swing control frame 11, the swing control frame 11 is driven to move up and down by taking the middle of the fixed installation disc 10 as an axis, the swing control frame 11 which swings up and down can drive the installation connection disc 2 and the rotating disc 4 to move up and down, the tea extrusion plate connected to the rotating disc 4 is indirectly driven to swing to extrude and rub tea, the first adjusting gear 17 and the second adjusting gear 22 are driven to rotate through the adjusting motor 15, the swing amplitude of the swing control frame 11 can be adjusted in a control mode, and accordingly the swing amplitude of the swing control frame 11 can be adjusted and controlled correspondingly and rapidly according to different tea extruding and rubbing amounts.
The working principle is as follows: the tea leaf extruding and kneading device is fixedly installed by arranging a second fixed mounting hole 9 on a fixed mounting disc 10 and arranging a first fixed mounting hole 7 on a fixed support frame 8, after the tea leaf extruding and kneading device is installed, the installation connecting disc 2 and the rotating disc 4 which are installed at the front end of a swing control frame 11 can swing transversely along with the swing of the swing control frame 11, the tea leaf extruding and kneading device is connected with the rotating disc 4 through an installation connecting threaded hole 6, then a swing control motor 24 is started, the swing control motor 24 can drive a driving adjusting arm 26 to swing through a swing control arm 25, the swinging driving adjusting arm 26 can drive a connecting rod 28 and an adjusting disc 30 to rotate by taking the center of the adjusting disc 30 as an axis through a sliding adjusting groove 27, and the rotating adjusting disc 30 can drive a sliding adjusting block 21 which is clamped in an adjusting clamping groove 29 to rotate positively and reversely, the forward and reverse rotation sliding adjusting block 21 can drive the swing control rod 19 to rotate forward and reverse, the forward and reverse rotation swing control rod 19 is inserted into the swing control groove 12 through sliding to push the swing control groove 12 to drive the swing control frame 11 to rotate around the center of the fixed mounting disc 10, so as to realize the swing of the swing control frame 11, so that the swing control frame 11 can push the tea extruding and kneading device mounted on the rotating disc 4 to swing through the mounting connection disc 2 and the rotating disc 4, so as to utilize the tea extruding and kneading device to perform transverse telescopic motion to complete the extrusion and kneading of tea, and when the tea amount to be extruded and kneaded is different, the adjusting motor 15 is started to drive the first adjusting gear 17 to rotate, the rotating first adjusting gear 17 can drive the second adjusting gear 22 to rotate, therefore, the sliding adjusting block 21 can slide in the adjusting clamping groove 29 by the first adjusting gear 17 and the second adjusting gear 22 which rotate, so that the positions of the swing control rod 19 inserted into the swing control groove 12 in the process of forward and backward rotation of the adjusting disc 30 are different, the swing amplitude of the swing control frame 11 with the middle part of the fixed mounting disc 10 as the axis is also different, the swing amplitude of the swing control frame 11 can be rapidly adjusted and controlled, the swing amplitude of the swing control frame 11 is the same as the quantity of tea leaves to be squeezed and kneaded, the phenomenon that the squeezing force for the tea leaves is too large or the squeezing and kneading force is insufficient can not occur, the rotating disc 4 can be rotated and adjusted by screwing the fastening threaded column 5, the position of the connecting threaded hole 6 can be adjusted and controlled, and the connection between the tea leaf squeezing and kneading device and the rotating disc 4 is convenient, the in-process that this device used can carry out convenient regulation and control fast according to the tealeaves extrusion kneading to different volume to the swing range of swing control frame 11 for the tealeaves quality after the extrusion kneading is excellent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a but swing control mechanism of quick accurate control of amplitude of fluctuation for tea production, includes swing main part (1), installation connection pad (2), control regulation main part (3), rolling disc (4), fastening screw post (5) and installation connecting thread hole (6), its characterized in that: the swing main body (1) comprises second fixed mounting holes (9), a fixed mounting disc (10), a swing control frame (11) and swing control grooves (12), the swing control grooves (12) are symmetrically arranged in the swing control frame (11), the front end of the swing control frame (11) is rotatably clamped in the fixed mounting disc (10), the second fixed mounting holes (9) uniformly penetrate through the edge of the fixed mounting disc (10), the front end of the swing control frame (11) is fixedly provided with a mounting connecting disc (2), the mounting connecting disc (2) is rotatably clamped with a rotating disc (4), the rotating disc (4) is uniformly provided with mounting connection threaded holes (6), the edge of the rotating disc (4) is uniformly screwed and is inserted with fastening threaded columns (5), and the fastening threaded columns (5) and the mounting connection threaded holes (6) are respectively provided with four holes, the control and regulation main body (3) is arranged on the inner side of the front end of the swing main body (1), the bottom of the control and regulation main body (3) is arranged on a fixed support frame (8), a first fixed mounting hole (7) is uniformly formed in the bottom end of the fixed support frame (8) in a penetrating mode, the control and regulation main body (3) comprises a control device (13), a regulation device (14) and a regulation motor (15), the regulation motor (15) is fixedly connected to the outer end of the regulation device (14), the control device (13) is connected to one end, far away from the regulation motor (15), of the regulation device (14), a first regulation gear (17) is arranged in the regulation device (14), a second regulation gear (22) is connected to the bottom end of the first regulation gear (17) in a meshing mode, a plug-in column (18) is fixedly arranged in the middle of the front end faces of the first regulation gear (17) and the second regulation gear (, the upper end of the front end face of the first adjusting gear (17) and the bottom end of the front end face of the second adjusting gear (22) are fixedly connected with a sliding adjusting block (21), the front end of the sliding adjusting block (21) is fixedly connected with an adjusting control rod (20), the front part of one end of the adjusting control rod (20) is rotatably connected with a swing control rod (19), the middle part of the end face of the first adjusting gear (17) and the middle part of the end face of the second adjusting gear (22) far away from the sliding adjusting block (21) is fixedly connected with a rotating adjusting shaft (16) and an installation fixing shaft (23), a swing control motor (24) is installed in the control device (13), the front end of the swing control motor (24) is fixedly connected with a swing control arm (25), the front end of the swing control arm (25) is rotatably connected with a driving adjusting arm (26) through a rotating shaft, the upper end of the rotating adjusting shaft (16) is, the one end that connecting rod (28) are close to drive regulating arm (26) runs through and has seted up slip control groove (27), just the inside of the upper end slidable mounting slip control groove (27) of drive regulating arm (26), the one end fixedly connected with adjustment disc (30) of slip control groove (27) are kept away from in connecting rod (28), adjustment card groove (29) have been seted up to the symmetry on adjustment disc (30).
2. The swing control mechanism capable of rapidly and accurately controlling the swing amplitude for tea production according to claim 1, characterized in that: the adjusting clamping groove (29) is arranged in an arc shape, and the sliding adjusting block (21) is connected in the adjusting clamping groove (29) in a sliding manner.
3. The swing control mechanism capable of rapidly and accurately controlling the swing amplitude for tea production according to claim 1, characterized in that: one end of the adjusting control rod (20) far away from the swinging control rod (19) is rotatably inserted in the adjusting disc (30).
4. The swing control mechanism capable of rapidly and accurately controlling the swing amplitude for tea production according to claim 1, characterized in that: the swing control rod (19) is matched with the swing control groove (12).
5. The swing control mechanism capable of rapidly and accurately controlling the swing amplitude for tea production according to claim 1, characterized in that: the rotary adjusting shaft (16) and the mounting fixing shaft (23) are rotatably inserted into the mounting plate frame on the inner side of the adjusting disc (30), the bottom of the mounting plate frame is fixedly connected with the bottom of the adjusting disc (30), the middle of the mounting frame is connected with the outside through a connecting shaft rod, the connecting shaft rod is located on the same straight line with the center line of the adjusting disc (30), and the top end of the rotary adjusting shaft (16) is fixedly connected with the adjusting motor (15).
6. The swing control mechanism capable of rapidly and accurately controlling the swing amplitude for tea production according to claim 1, characterized in that: the front end of the swing control motor (24) is rotatably inserted into the upper end of the fixed support frame (8), and the fixed support frame (8) is arranged in a T shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110286810.8A CN112970874A (en) | 2021-03-17 | 2021-03-17 | Swing control mechanism with swing range capable of being controlled rapidly and accurately for tea production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110286810.8A CN112970874A (en) | 2021-03-17 | 2021-03-17 | Swing control mechanism with swing range capable of being controlled rapidly and accurately for tea production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112970874A true CN112970874A (en) | 2021-06-18 |
Family
ID=76332767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110286810.8A Pending CN112970874A (en) | 2021-03-17 | 2021-03-17 | Swing control mechanism with swing range capable of being controlled rapidly and accurately for tea production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112970874A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207965673U (en) * | 2018-03-13 | 2018-10-12 | 东莞新浩能源利用有限公司 | A kind of automatic pressure regulating device |
| CN208271042U (en) * | 2018-05-10 | 2018-12-21 | 深圳市志凌伟业技术股份有限公司 | A kind of large size film laminator roller pressure control mechanism |
| CN112006124A (en) * | 2020-09-07 | 2020-12-01 | 王新时 | Tea pressing device with safety protection device |
| CN112293508A (en) * | 2020-11-02 | 2021-02-02 | 夏风平 | Tea pressing device with safety protection device |
-
2021
- 2021-03-17 CN CN202110286810.8A patent/CN112970874A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207965673U (en) * | 2018-03-13 | 2018-10-12 | 东莞新浩能源利用有限公司 | A kind of automatic pressure regulating device |
| CN208271042U (en) * | 2018-05-10 | 2018-12-21 | 深圳市志凌伟业技术股份有限公司 | A kind of large size film laminator roller pressure control mechanism |
| CN112006124A (en) * | 2020-09-07 | 2020-12-01 | 王新时 | Tea pressing device with safety protection device |
| CN112293508A (en) * | 2020-11-02 | 2021-02-02 | 夏风平 | Tea pressing device with safety protection device |
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