CN218280108U

CN218280108U - Medicine decocting device

Info

Publication number: CN218280108U
Application number: CN202221381154.6U
Authority: CN
Inventors: 南原; 徐柏龙; 陈英杰
Original assignee: Beijing Donghuayuan Medical Equipment Co Ltd
Current assignee: Beijing Donghuayuan Medical Equipment Co Ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2023-01-13
Anticipated expiration: 2032-06-01

Abstract

The utility model discloses a device of decocting medicinal herbs, the device of decocting medicinal herbs, include: an outer pot (2) for containing a liquid medicine; the inner pot (3) is arranged in the outer pot (2) in a lifting way and is used for accommodating medicine dregs; the pot is characterized by further comprising a supporting component (210) which is arranged on the outer pot (2) and/or the inner pot (3), and when the inner pot (3) rises out of the outer pot (2), the supporting component (210) has a supporting state which is clamped between the outer pot (2) and the inner pot (3). When the utility model is used for decocting the liquid medicine, a natural cavity is formed between the inner pot (3) and the outer pot (2), which can prolong the distance between the medicine bag and the pot bottom, and can evenly distribute the temperature field around the medicine bag, thus leading the medicine material to be heated evenly; and the supporting component (210) is arranged, a medicine leaching cavity is formed between the inner pot (3) and the outer pot (2) in a supporting state, a medicine leaching procedure can be realized in the process of decocting the traditional Chinese medicine, so that the liquid medicine and the medicinal materials are fully separated, and the medicinal material components are extracted to the maximum extent.

Description

Medicine decocting device

Technical Field

The utility model belongs to the automatic decocte field of traditional chinese medicine decoction, specifically speaking relates to a device of decocting medicinal herbs.

Background

The traditional Chinese medicine decoction refers to a process of matching various traditional Chinese medicines according to a traditional Chinese medicine prescription, and taking liquid medicine after decocting according to requirements. With the gradual acceptance of the concept of traditional Chinese medicine treatment in the world, the worldwide demand for traditional Chinese medicines is increasing, and the demand of people for the development and perfection of the automatic production technology for decocting traditional Chinese medicine decoction is more and more urgent.

In the existing automatic decoction technology of traditional Chinese medicine, a decoction pot for decocting traditional Chinese medicine decoction pieces by using an outer pot and an induction cooker has the phenomenon of uneven heating of medicinal materials. Chinese patent application No. CN209827577U discloses an automatic medicine decocting machine, which comprises a workbench, a plurality of medicine decocting machines, an automatic operating device and an electric control device. The automatic operation device automatically operates the medicine decocting pot, and the output of the micro-processing device of the electric control device controls the heating state of the heater of the medicine decocting device and the action of the automatic operation device, so that multiple aspects of machinery are matched to automatically decoct medicine. The device has the advantages that the filter screen has narrow pores, pore channels are easy to block, and the service cycle is short; the medicine leaching procedure can not be realized, so that the medicinal components are not fully released; and the medicine steaming phenomenon is easy to occur to influence the medicine effect.

In view of this, the utility model discloses it is special.

Disclosure of Invention

The to-be-solved technical problem of the utility model lies in overcoming the not enough of prior art, provides a device of decocting medicinal herbs to realize adding medicine, decocting medicinal herbs, the automatic purpose of traditional chinese medicine decocte procedures such as drop of juice medicine.

In order to solve the technical problem, the utility model adopts the technical scheme that:

there is provided a decocting apparatus comprising: an outer pot (2) for containing a liquid medicine; the inner pot (3) is arranged in the outer pot (2) in a lifting way and is used for containing medicine dregs; the pot is characterized by further comprising a supporting component (210) which is arranged on the outer pot (2) and/or the inner pot (3), and when the inner pot (3) rises out of the outer pot (2), the supporting component (210) has a supporting state which is clamped between the outer pot (2) and the inner pot (3).

Furthermore, the supporting component (210) is arranged on the peripheral side wall of the outer pot (2), and when the inner pot (3) rises out of the outer pot (2), the supporting component (210) is clamped at the edge of the pot opening of the inner pot (3) and used for supporting the inner pot (3).

Further, the support assembly (210) comprises: the connecting assembly (220) is arranged on the peripheral side wall of the outer pot (2); the supporting arm (2102) is rotatably connected with the connecting component (220), and the supporting arm (2102) can rotate towards the outer pot opening direction around the connecting component (220) and is clamped on the pot opening edge of the inner pot (3).

Further, the connection assembly (220) comprises: the mounting seat (221) is arranged on the peripheral side wall of the outer pot; a rotating shaft (2101) provided on the mount (221); one end of the supporting arm (2102) is hinged with the rotating shaft (2101), and the other end of the supporting arm can rotate around the rotating shaft towards the outer pot opening, is higher than the outer pot opening and is abutted with the edge of the inner pot opening up and down.

Further, the support arm (2102) includes: a first support arm (2104) having one end hinged to the rotation shaft (2101); a second support arm (2105) having one end for connection to the first support arm (2104) and the other end for supporting the inner pot (3); kink (2103), connect first support arm (2104) and second support arm (2105), it sets up from first support arm (2104) end to the radial bending of second support arm (2105) end, and support arm (2102) are rotatory around rotation axis (2101) outside pot mouth direction, but kink (2103) joint is at outer pot mouth border.

Further, still include pressure disk assembly (4) of mobilizable setting in pot (3) in, pressure disk assembly (4) include pressure disk (430) with interior pot mouth relative setting for the dregs of a decoction in pot (3) in the pressure cover.

Furthermore, the pressure plate (430) is provided with a plurality of filter hole structures (433).

Furthermore, the pressure plate assembly (4) further comprises a guide rod (410), the lower end of the guide rod is arranged on the edge of the pressure plate (430), and the upper end of the guide rod extends axially in the direction away from the pressure plate (430).

Further, the pressure plate assembly (4) further comprises a plurality of guide rods (410), and the guide rods (410) are circumferentially arranged along the edge of the pressure plate.

Furthermore, the pressure plate assembly (4) further comprises a lifting rod (420) which is arranged at the upper ends of the guide rods (410) and connected with the upper ends of the guide rods (410).

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has.

1. A natural cavity is formed between the inner pot and the outer pot, so that the distance between the medicine package and the pot bottom can be prolonged, the temperature field distribution around the medicine package is uniform, and the medicine materials are heated uniformly; and the supporting component is arranged, a medicine dripping cavity is formed between the inner pot and the outer pot when the supporting component is in a supporting state, a medicine dripping procedure can be realized in the process of decocting the traditional Chinese medicine, so that the liquid medicine and the medicinal materials are fully separated, and the medicinal material components are extracted to the maximum extent.

2. The inner pot can be movably sleeved in the outer pot, a cavity is formed between the bottom of the inner pot and the bottom of the outer pot under the natural state, the physical distance between the medicinal materials and the bottom of the outer pot can be increased, the medicinal materials are directly limited to be in contact with the bottom of the outer pot, and the temperature field distribution of the medicinal bags is uniform. The medicinal materials are heated uniformly in the decocting process, and the phenomenon of medicine pasting and influence on the medicine effect are prevented.

3. Set up the pressure disk subassembly that can move about from top to bottom in interior pot, it can limit the position of cartridge bag in interior pot, guarantees that the cartridge bag is in below the liquid level, makes the medicinal material fully contact with water at the decocte in-process, guarantees that the active ingredient in the medicinal material obtains fully releasing, prevents to decoct the medicine in-process and appears evaporating medicine phenomenon, influences the drug effect.

4. Interior pot body sets up sealing and filter house, and the filter house includes bottom of a boiler and at least partly lateral wall, and its surface is evenly densely covered the filtration pore structure, and the filtration pore structure is greater than ordinary pot in scattering frying in shallow oil in setting up, can guarantee the filter effect, prevents to use for a long time and leads to pore blocking phenomenon.

The following describes embodiments of the present invention in further detail with reference to the attached drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, the illustrative embodiments and the description of the invention serve to explain the invention without unduly limiting the invention. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic view of the three-dimensional structure of the atmospheric decocting pot of the present invention;

FIG. 2 is a schematic three-dimensional structure of the outer pot of the present invention;

FIG. 3 is a schematic perspective view of the supporting seat structure of the present invention;

fig. 4 is a schematic perspective view of the support arm structure of the present invention;

FIG. 5 is a schematic perspective view of the inner pot structure of the present invention;

fig. 6 is a schematic perspective view of the pressure plate assembly structure of the present invention;

fig. 7 is a schematic perspective view of the chassis structure of the present invention.

In the figure: 1. a chassis; 110. lifting lugs; 120. a chassis attachment; 2. an outer pot; 210. a support assembly; 2101. a rotating shaft; 2102. a support arm; 2103. a bending section; 2104. a first support arm; 2105. a second support arm; 2106. a hand holding part; 220. a connection assembly; 221. a mounting seat; 2211. wall-adhering sidelines; 2212. a vertical sideline; 2213. a sideline bending part; 2214. a substrate; 222. a boss structure; 2221. a boss plane part; 2222. a boss stretching portion; 3. an inner pot; 310. a filtering part; 320. a closing portion; 330. filtering holes; 340. the outer edge of the inner pot; 4. a platen assembly; 410. a guide bar; 411. the long side of the guide rod; 412. short side of the guide rod; 420. lifting a pull rod; 430. pressing a plate; 431. the inner circle is along the line; 432. the excircle is along the line; 433. a filter pore structure; 5. a pot cover.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments, and the following embodiments are used to illustrate the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1 to 7, an embodiment of the present invention introduces a drug decocting apparatus.

In the embodiment of the utility model, the outer pot 2 and the inner pot 3, the inner pot 3 is arranged in the outer pot 2 in a lifting way; the pot also comprises a supporting component 210 which is arranged on the outer pot 2 and/or the inner pot 3, when the inner pot 3 rises out of the outer pot 2, the supporting component 210 has a supporting state which is clamped between the outer pot 2 and the inner pot 3.

Furthermore, the supporting components 210 can be arranged on the outer pot 2 symmetrically, when the supporting state is formed, the inner pot 3 is lifted out of the outer pot 2, and the supporting components 210 are clamped between the inner pot 3 and the outer pot 2;

in some specific embodiments, the supporting components 210 can also be arranged on the inner pan 3 symmetrically, when the supporting state is formed, the inner pan 3 is lifted out of the outer pan 2, and the supporting components 210 are clamped between the inner pan 3 and the outer pan 2;

when in a conventional state, the inner pot 3 is movably sleeved in the outer pot 2, a natural cavity is formed between the inner pot 3 and the outer pot 2, when decocting, the natural cavity can prolong the distance between the medicine package and the bottom of the pot, the temperature field distribution around the medicine package is uniform, and the medicine materials are heated uniformly.

In the support state, interior pot 3 rises from outer pot 2, and supporting component 210 joint forms the drop of juice medicine cavity between interior pot 3 and outer pot 2 including between pot 3 and outer pot 2, realizes the drop of juice medicine procedure at the in-process of decocting medicinal herbs, makes liquid medicine and medicinal material obtain the abundant separation, and the at utmost draws the medicinal material component.

Example two

As shown in fig. 1-2, the present embodiment is a further limitation of the first embodiment, the supporting components 210 are disposed on the peripheral side wall of the outer pot 2, and are symmetrically disposed, and when the inner pot 3 rises out of the outer pot 2, the supporting components 210 are clamped at the edge of the pot opening of the inner pot for supporting the inner pot 3.

The supporting component 210 is arranged on the peripheral side wall of the outer pot 2, so that the supporting component 210 is fully exposed, and the operation process is simpler and more direct when the deformation operation is implemented. And set up supporting component 210 in outer pot 2 periphery lateral wall, can save the occupation space of equipment, avoid liquid medicine to divide the corruption to supporting component 210 in the use, increase supporting component 210's life.

EXAMPLE III

As shown in fig. 2-4, this embodiment is further limited to the first embodiment and the second embodiment, and the supporting component 210 includes: the connecting assembly 220 is arranged on the peripheral side wall of the outer pot and is used for connecting the outer pot 2 with the supporting arm 2101; a rotating shaft 2101 disposed inside the connection assembly 220, having a certain elasticity, connecting the connection assembly 220 and the support arm 2101; and one end of the supporting arm 2102 is rotatably connected with the rotating shaft, and when the inner pot 3 is lifted out of the outer pot 2, the other end of the supporting arm can rotate around the rotating shaft towards the outer pot opening, is higher than the outer pot opening and is abutted with the edge of the inner pot opening up and down.

In some embodiments, the connecting assembly 220 is a specially configured connector that includes a mounting seat 221 and a boss structure 222. The mounting base 221 includes an adherence side line 2211, an upright side line 2212, a side line bending portion 2213, a base 2214, and other structures.

Adherence sideline 2211 directly laminates with outer pot 2 outer wall, and upright sideline 2212 is perpendicular to adherence sideline 2211. The wall-adhering side line 2211, the vertical side line 2212 and the base 2214 are connected through a side line bending part 2213, and an opening is formed in the surface of the base 2214. The boss 222 includes a boss planar portion 2221 and a boss extended portion 2222. The boss plane 2221 is attached to the base 2214, the boss stretching portion 2222 has a hollow arc-shaped protruding structure, and the arc inner wall is hinged to the support arm 2102. The connecting component 220 is provided with an outer side wall attached to the outer pot 2, so that the contact area between the supporting component 210 and the outer pot 2 is increased, the connection between the supporting component and the outer pot is firmer, the stress of the supporting component 220 on the connecting part is relieved, and the stability of the connecting component is improved.

The rotation axis 2101 is certain elastic structure that has, connects support component 220 and support arm 2101, when support component 220 formed the support state, has certain elastic restoring force, is convenient for support component 220 reconversion.

Example four

As shown in fig. 1 and 3, this embodiment is a further definition of embodiment three, and the support arm 2102 includes: a first support arm 2104 one end of which is rotatably connected to the rotating shaft 2101; a second support arm 2105, one end of which is connected to the other end of the first support arm 2104 in a bendable manner, and the other end of which is connected to the handle 2106; the bending portion 2103 is disposed at a connection position of the first support arm 2104 and the second support arm 2105, and extends along a radial direction toward the pot opening to form a bend, when the support is in the support state, the support arm 2102 rotates around the rotation axis toward the outer pot opening, and the bending portion 2103 is clamped at the edge of the outer pot opening.

Set up kink 2103 on support arm 2102, can make the structure more reasonable on the one hand, when support status, kink 2103 and outer pot mouthful form the joint, can make whole device connect more smoothly, sets up the headspace for outer pot mouthful pot edge. On the other hand, when the bending portion 2103 is engaged with the outer pot opening, the outer pot opening will form a supporting force for the bending portion 2103, so that the supporting state of the decocting device is more stable.

EXAMPLE five

As shown in fig. 1 and 3, the present embodiment is further limited to the third embodiment, and the supporting component 210 includes: a first support arm 2104 having one end rotatably connected to the rotation shaft 2101; a second support arm 2105, one end of which is telescopically connected to the other end of the first support arm 2104, and the other end of which is connected to the grip portion 2106; the telescopic connection portion is arranged at the connection position of the first support arm 2104 and the second support arm 2105, and can be connected with the first support arm 2104 and the second support arm 2105 in a transitional manner, and is provided with a limit groove which is clamped with the second support arm 2105.

This embodiment is another embodiment of the support assembly 210. The telescopic connection structure is formed between the first support arm 2104 and the second support arm 2104 by the arrangement of the telescopic connection part, so that the whole support assembly 210 is more space-saving, and the appearance is simpler.

Example six

As shown in fig. 1-2, this embodiment is a further limitation of the fourth embodiment and the fifth embodiment, the inner pan 3 and the outer pan 2 are arranged in the outer pan 2, the inner pan 3 is movably disposed in the outer pan 2, the outer wall of the outer pan 2 includes a supporting component 210, and in a receiving state, the supporting component 210 abuts against the outer edge 340 of the inner pan, so that a medicine leaching cavity is formed between the inner pan 3 and the outer pan 2.

In some embodiments, the support assembly 210 has an initial state and a receiving state. When the supporting component 210 is in an initial state, the supporting arm 2102 is naturally and vertically placed downwards, the first supporting arm 2104 and the handle 2106 are naturally attached to the wall of the outer pot, the outer edge 340 of the inner pot is abutted to the outer edge of the outer pot, and a natural cavity is formed between the inner pot 3 and the outer pot 2. When the medicine is decocted, the natural cavity can prolong the distance between the medicine bag and the pot bottom, and the temperature field distribution around the medicine bag is uniform, so that the medicine is heated uniformly. When in a carrying state, the external operation equipment is abutted with the outer edge 340 of the inner pot to lift the inner pot 3 to a certain height, and then the external mechanical arm turns the supporting arm 2102 upwards for 180 degrees, so that the handle 2106 is directly abutted with the outer edge 340 of the inner pot, the inner pot 3 and the outer pot 2 are placed statically to form a medicine dripping cavity, so that medicine liquid and medicine bags are separated, effective components of the medicine are retained to the maximum degree, and a medicine dripping procedure is realized.

EXAMPLE seven

As shown in fig. 6, this embodiment is a further limitation to the sixth embodiment, the pressure plate assembly 4 is movably disposed in the inner pot 3, the pressure plate assembly 4 includes a pressure plate 430, the pressure plate 430 is a flat circular shape, the pressure plate 430 is arranged opposite to the inner pot opening, the outer edge of the pressure plate 430 is movably sleeved on the inner wall of the inner pot, and the pressure plate plane is uniformly provided with filter hole structures 433. Set up pressure disk assembly 4, make the device of decocting medicinal herbs when the decocte state, the cartridge bag is arranged in the pot, pressure disk assembly 4 is arranged in on the cartridge bag, pressure disk assembly 4 density is greater than the density of water, can restrict the home range of cartridge bag in the aquatic, guarantees that cartridge bag and water fully contact when decocte and fuses, makes the abundant release of component in the medicinal material, effectively prevents to decoct the medicine in-process and appears evaporating the medicine phenomenon.

Example eight

As shown in fig. 6, in this embodiment, the seventh embodiment is further defined, and the pressure plate assembly 4 includes a guide rod 410, one end of the guide rod 410 is disposed on the pressure plate 430, and the other end extends toward the inner pot opening; the platen assembly 4 includes a plurality of the guide rods 410, and a plurality of the guide rods 410 are circumferentially arranged along the edge of the platen. In some embodiments, when the guide rod 410 is placed in the inner pot 3, the long side 411 of the guide rod abuts against the inner wall of the inner pot 3, and the position of the pressure plate assembly 4 in the inner pot 3 is adjusted to ensure that the plane of the pressure plate 430 is parallel to the plane of the bottom of the inner pot.

The lifting rod 420 is positioned at the upper part of the pressure plate, and the lifting rod 420 can be in a ring shape; the lifting rod 420 is disposed at an end of the guide rod, radially bent from an upper end of the guide rod, and connected to the lifting rod 420. In some embodiments, the lifting rod 420 may be in the shape of a circular ring to facilitate the external mechanical device to pick up or adjust the platen assembly 4.

Example nine

As shown in fig. 5, this embodiment is a further limitation to embodiment eight. The inner pot 3 comprises a filter part 310 and a closed part 320, the closed part 320 is a cylindrical barrel-shaped structure, the filter part 310 comprises a pot bottom and at least one part of side wall, the surface of the filter part is uniformly and densely provided with filter holes 330, and the filter part has a filtering effect in the medicine leaching process. The filter openings 330 are sized with a slightly larger diameter than conventional filter openings to prevent or prolong clogging of the cells.

Example ten

As shown in figures 1 and 7, the present embodiment is a further limitation of the ninth embodiment, and the decocting device further comprises a structure of a chassis 1. The chassis 1 is of a square planar structure and is made of metal, preferably aluminum. The middle of the chassis 1 is provided with a round hole, so that the chassis 1 is connected with the outer pot 2. Chassis connecting pieces 120 are evenly distributed at the connecting part of the chassis 1 and the outer wall of the outer pot, and the chassis connecting pieces 120 are welded on the body of the outer pot and are in threaded connection with the chassis, so that the outer pot 2 is fixed on the chassis 1. Lifting lugs 110 are respectively arranged at the four square corners of the chassis, and the lifting lugs 110 are divided into a left direction and a right direction and are used as supporting pieces for carrying the decoction device by an external device.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, and the embodiments in the above embodiments can be further combined or replaced, but any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are also within the scope of the present invention.

Claims

1. A decocting apparatus comprising:

an outer pot (2) for containing a liquid medicine;

the inner pot (3) is arranged in the outer pot (2) in a lifting way and is used for accommodating medicine dregs;

the method is characterized in that: the pot is characterized by further comprising a supporting component (210) which is arranged on the outer pot (2) and/or the inner pot (3), and when the inner pot (3) rises out of the outer pot (2), the supporting component (210) has a supporting state which is clamped between the outer pot (2) and the inner pot (3).

2. The decocting apparatus of claim 1, wherein: supporting component (210) set up on the periphery lateral wall of outer pot (2), when interior pot (3) rise out from outer pot (2), pot mouth border in pot (3) is established in supporting component (210) card for pot (3) in supporting.

3. A decocting apparatus as defined in claim 2, wherein: the support assembly (210) comprises:

the connecting assembly (220) is arranged on the peripheral side wall of the outer pot (2);

the supporting arm (2102) is rotatably connected with the connecting assembly (220), and the supporting arm (2102) can rotate towards the direction of an outer pot opening around the connecting assembly (220) and is clamped on the edge of the pot opening of the inner pot (3).

4. A decocting device according to claim 3 wherein the connecting assembly (220) comprises:

the mounting seat (221) is arranged on the peripheral side wall of the outer pot;

a rotating shaft (2101) provided on the mount (221);

one end of the supporting arm (2102) is hinged with the rotating shaft (2101), and the other end of the supporting arm can rotate around the rotating shaft towards the outer pot opening, is higher than the outer pot opening and is abutted with the edge of the inner pot opening up and down.

5. The decocting apparatus of claim 4, wherein: the support arm (2102) includes:

a first support arm (2104) having one end hinged to the rotation shaft (2101);

a second support arm (2105) having one end for connecting to the first support arm (2104) and the other end for supporting the inner pan (3);

kink (2103), connect first support arm (2104) and second support arm (2105), it sets up from first support arm (2104) end to the radial bending of second support arm (2105) end, and support arm (2102) are rotatory around rotation axis (2101) outside pot mouth direction, but kink (2103) joint is at outer pot mouth border.

6. A decocting apparatus as claimed in any one of claims 1 to 5, wherein: still include mobilizable pressure disk assembly (4) of setting in interior pot (3), pressure disk assembly (4) include pressure disk (430) with interior pot mouth relative setting for the dregs of a decoction in pot (3) in the pressure covers.

7. The decocting apparatus of claim 6, wherein: and a plurality of filter hole structures (433) are arranged on the pressure plate (430).

8. A decocting apparatus as defined in claim 6, wherein: the pressure plate assembly (4) further comprises a guide rod (410), the lower end of the guide rod is arranged on the edge of the pressure plate (430), and the upper end of the guide rod axially extends in the direction away from the pressure plate (430).

9. A decocting apparatus as defined in claim 8 wherein: the pressure plate assembly (4) further comprises a plurality of guide rods (410), and the guide rods (410) are circumferentially arranged along the edge of the pressure plate.

10. A decocting apparatus as defined in claim 9 wherein: the pressure plate assembly (4) further comprises a lifting rod (420) which is arranged at the upper ends of the guide rods (410) and connected with the upper ends of the guide rods (410).