CN215930466U - Medicinal material heated air circulation oven - Google Patents

Abstract

The utility model relates to a medicinal material hot air circulation oven, which comprises a circular bin and a hollow rotating shaft positioned inside the circular bin, wherein a hot air circulation assembly is arranged on the top surface of the circular bin, one end of the hollow rotating shaft penetrates through and extends to the bottom of the circular bin, four trays are fixedly arranged on the outer peripheral wall of the hollow rotating shaft, four inclined plates are fixedly arranged on the inner peripheral wall of the circular bin, a driving assembly is arranged on the inner bottom wall of the circular bin, a material guide bin is fixedly arranged on the outer peripheral wall of the hollow rotating shaft, and a medicinal material circulation assembly is arranged inside the hollow rotating shaft. This medicinal material heated air circulation oven, inside through putting into the feeder hopper with the medicinal material, disperse on the tray by the feeder hopper again, make the medicinal material can evenly distributed dry on a plurality of trays through medicinal material circulation subassembly, and then reach the effect of even stoving, improved whole device and accelerated to dry the medicinal material, improved the drying efficiency of whole device.

Description

Medicinal material heated air circulation oven

Technical Field

The utility model relates to the technical field of drying ovens, in particular to a medicinal material hot air circulation drying oven.

Background

The shell of the oven is generally made of thin steel plates, the surface of the shell is baked with paint, the working chamber is made of high-quality structural steel plates, aluminum silicate fibers are filled between the shell and the working chamber, the heater is arranged at the bottom and can be arranged at the top or two sides, and the temperature control instrument is a digital display intelligent meter.

Current medicinal material heated air circulation oven through on putting into the tray with the medicinal material, puts into the inside stoving that heats of oven with the tray again, because the tray is fixed and is forbidden motionlessly and the medicinal material is piled up on the tray inside the oven, leads to the medicinal material when drying, and the medicinal material that appears the bottom is dried unevenly and needs a large amount of time to dry for the stoving effect variation so propose a medicinal material heated air circulation oven in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the medicinal material hot air circulation oven which has the advantages of uniform drying, good drying effect and the like, and solves the problems that when medicinal materials are dried, the medicinal materials at the bottom are not uniformly dried and a large amount of time is needed for drying, and the drying effect is poor because the tray is fixed in the oven and is forbidden to move and the medicinal materials are accumulated on the tray.

In order to achieve the purpose, the utility model provides the following technical scheme: medicinal material heated air circulation oven, including circular storehouse and the hollow rotating shaft that is located circular storehouse inside, the left surface intercommunication in circular storehouse has the feeder hopper, the inside fixed mounting in circular storehouse has the diaphragm, the internal perisporium fixed mounting in circular storehouse has the deflector, the top surface in circular storehouse is equipped with the heated air circulation subassembly, is used for the hot-blast reheating after the heating to recycle, the internal perisporium fixed mounting in circular storehouse has the baffle, the one end of hollow rotating shaft runs through and extends to the bottom in circular storehouse, the periphery wall fixed mounting of hollow rotating shaft has the tray that is four in quantity that is located the baffle top, the internal perisporium fixed mounting in circular storehouse has the hang plate that is four in quantity, the internal diapporium fixed mounting in circular storehouse has the fixed plate, the internal diapporium in circular storehouse is equipped with drive assembly for the rotation of drive hollow rotating shaft, the periphery wall of hollow rotating shaft just is located baffle bottom fixed mounting, the periphery wall of hollow pivot just is located motorised valve top fixed mounting and has the guide feed bin, the periphery wall of hollow pivot just is located the inside pan feeding hole of having seted up in guide feed bin, the fixed cover of internal perisporium of baffle is equipped with the roll axis, and the periphery wall laminating in roll axis and guide feed bin, the inside medicinal material circulation subassembly that is equipped with of hollow pivot for with medicinal material circulation heating.

Further, circular storehouse is inside hollow cylinder, the deflector is the annular slab of outer loop to inner ring slope, and inclination is the acute angle, four the hang plate is the annular slab of outer loop to inner ring slope, is from last to being linear equidistance distribution down, the diaphragm is connected with the front inner wall and the back inner wall of circular storehouse is perpendicular respectively, the annular opening that can supply the guide storehouse to run through is seted up to the baffle top surface, annular opening and guide storehouse clearance fit, and roll axis and guide storehouse sliding connection, four the tray is from last to being linear equidistance distribution down, and four trays respectively with the top of four hang plates, the guide storehouse is the cylinder of inside cavity top surface disappearance, and the bottom surface in guide storehouse uses centre of a circle central point downward sloping.

Further, the hot air circulation component comprises a heating bin, a heating plate, a T-shaped pipe, a connecting pipe, a fan, a fixing frame, a hot air nozzle and a distributing pipe, wherein the heating bin is fixedly arranged at the top of the circular bin, the T-shaped pipe is fixedly arranged on the inner top wall of the circular bin, the top end of the T-shaped pipe penetrates through and extends to the top of the circular bin and is communicated with the bottom surface of the heating bin, the hot air nozzles are multiple in number and are all communicated with the bottom surface of the T-shaped pipe, the heating plate is fixedly arranged on the inner top wall of the heating bin, one end of the connecting pipe is communicated with the right side surface of the heating bin, the other end of the connecting pipe is communicated with an air outlet of the fan through a flange, the fixing frame is fixedly arranged on the right side surface of the circular bin and is close to the top, the fan is fixedly arranged on the right side surface of the fixing frame, and one end of the distributing pipe is fixedly arranged on an air inlet of the fan, the other end of the branch pipe penetrates through the right side face of the round bin and extends into the round bin.

Furthermore, a plurality of the hot air nozzles are distributed in a linear equidistant mode from left to right, the air inlet of the fan is a double-annular air port, one end of the branch pipe is fixedly connected with the inner-annular air port, the outer-annular air port of the fan can absorb outside air, a through hole for the T-shaped pipe to penetrate through is formed in the top surface of the circular bin, and the through hole is fixedly connected with the top end of the T-shaped pipe through a bearing.

Further, drive assembly includes first motor, worm and worm wheel, first motor fixed mounting is on the interior diapire of circular storehouse, the one end fixed mounting of worm is on the output shaft of first motor, the other end of worm passes through the left surface swing joint of bearing and fixed plate, worm wheel fixed mounting is on the periphery wall of hollow rotating shaft, the worm wheel meshes with the worm.

Further, medicinal material circulation subassembly includes second motor, flood dragon dish and bull stick, second motor fixed mounting is on the bottom surface of diaphragm, the one end fixed mounting of bull stick is on the output shaft of second motor, the other end of bull stick runs through and extends to the inside of hollow rotating shaft, flood dragon dish fixed mounting is on being located the inside bull stick periphery wall of hollow rotating shaft.

Further, the bottom of flood dragon dish flushes with pan feeding hole, the internal perisporium of hollow rotating shaft and flood dragon dish's outer loop diameter clearance fit.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. according to the medicinal material hot air circulation oven, medicinal materials are placed into the feed hopper and are dispersed on the trays through the feed hopper, so that the medicinal materials are uniformly distributed on the trays to be dried through the medicinal material circulation assembly, and further, the uniform drying effect is achieved, the drying speed of the whole device is improved, and the drying efficiency of the whole device is improved;

2. this medicinal material heated air circulation oven can make the air after the heating when discharging through the takeover, can heavily advance through the fan and enter into the heated warehouses again, has reduced the process that the hot plate need carry out the heating to cold air, has reduced the energy consumption of whole device required loss when the heating, and then has improved the practicality of whole device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of A of FIG. 1 according to the present invention.

In the figure: the device comprises a square bin 1, a heating bin 2, a heating plate 3, a T-shaped tube 4, a connecting tube 5, a fan 6, a fixed frame 7, a hot air nozzle 8, a branch tube 9, a guide plate 10, a rotating rod 11, a partition plate 12, a fixed plate 13, a worm 14, a first motor 15, a dragon dish 16, a hollow rotating shaft 17, a tray 18, an inclined plate 19, a second motor 20, a feeding hopper 21, a transverse plate 22, a feeding hole 23, an electric valve 24, a worm wheel 25, a feeding bin 26 and a rolling shaft 27.

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. 1-2, the hot air circulating oven for herbs in this embodiment includes a circular chamber 1 and a hollow rotating shaft 17 located inside the circular chamber 1, the left side surface of the circular chamber 1 is communicated with a feeding hopper 21, a horizontal plate 22 is fixedly installed inside the circular chamber 1, a guide plate 10 is fixedly installed on the inner peripheral wall of the circular chamber 1, a hot air circulating assembly is disposed on the top surface of the circular chamber 1 for reheating and recycling the heated hot air, a partition plate 12 is fixedly installed on the inner peripheral wall of the circular chamber 1, one end of the hollow rotating shaft 17 penetrates and extends to the bottom of the circular chamber 1, four trays 18 located on the top of the partition plate 12 are fixedly installed on the outer peripheral wall of the hollow rotating shaft 17, four inclined plates 19 are fixedly installed on the inner peripheral wall of the circular chamber 1, a fixing plate 13 is fixedly installed on the inner bottom wall of the circular chamber 1, and a driving assembly is disposed on the inner bottom wall of the circular chamber 1, be used for driving hollow pivot 17 rotatory, the periphery wall of hollow pivot 17 just is located baffle 12 bottom fixed mounting and has motorised valve 24, the periphery wall of hollow pivot 17 just is located motorised valve 24 top fixed mounting and has leads feed bin 26, the periphery wall of hollow pivot 17 just is located and leads feed bin 26 inside and has seted up pan feeding hole 23, the fixed cover of internal perisporium of baffle 12 is equipped with roll shaft 27, and roll shaft 27 and the laminating of the periphery wall of leading feed bin 26, the inside medicinal material circulation subassembly that is equipped with of hollow pivot 17, be used for with medicinal material circulation heating.

Wherein, circular storehouse 1 is inside hollow cylinder, deflector 10 is the annular slab of the slope of outer loop to inner ring, inclination is the acute angle, four hang plates 19 are the annular slab of the slope of outer loop to inner ring, from last to being linear equidistance distribution, diaphragm 22 is connected with the front inner wall and the back inner wall of circular storehouse 1 perpendicularly respectively, the annular hole that can supply guide storehouse 26 to run through is seted up to baffle 12 top surface, annular hole and the clearance fit of guide storehouse 26, and roll shaft 27 and guide storehouse 26 sliding connection, four trays 18 are from last to being linear equidistance distribution down, and four trays 18 respectively with the top of four hang plates 19, guide storehouse 26 is the cylinder of inside cavity top surface disappearance, and the bottom surface of guide storehouse 26 is with centre of a circle central point downward sloping.

It should be noted that the bottom of the circular bin 1 is provided with a foot seat for fixing the whole device on the ground, the inner ring of the inclined plate 19 and the circle center of the bin guide 26 are located on the same vertical line, and the inner ring diameter of the inclined plate 19 is larger than the inner ring diameter of the bin guide 26.

It is specific, put into the inside of feeder hopper 21 with the medicinal material earlier, drop to deflector 10 by feeder hopper 21 again, drop to tray 18 above through deflector 10, make the medicinal material dispersion on four trays 18 through drive assembly, then drop to hollow rotating shaft 17 inside with the medicinal material through leading feed bin 26, through material circulation subassembly, with this circulation stoving on retransmitting the material tray 18 at top, the stoving is being accomplished the back and is being through bull stick 11 anticlockwise rotation, it drops out to make the medicinal material pass through hollow rotating shaft 17 bottom to open motorised valve 24.

In the embodiment, the hot air circulation component comprises a heating bin 2, a heating plate 3, a T-shaped pipe 4, a connecting pipe 5, a fan 6, a fixing frame 7, a hot air nozzle 8 and a branch connecting pipe 9, the heating bin 2 is fixedly arranged at the top of the circular bin 1, the T-shaped pipe 4 is fixedly arranged at the inner top wall of the circular bin 1, the top end of the T-shaped pipe 4 penetrates through and extends to the top of the circular bin 1 and is communicated with the bottom surface of the heating bin 2, the number of the hot air nozzles 8 is multiple, the hot air nozzles 8 are all communicated with the bottom surface of the T-shaped pipe 4, the heating plate 3 is fixedly arranged at the inner top wall of the heating bin 2, one end of the connecting pipe 5 is communicated with the right side surface of the heating bin 2, the other end of the connecting pipe 5 is communicated with an air outlet of the fan 6 through a flange, the fixing frame 7 is fixedly arranged at the right side surface of the circular bin 1 and close to the top, the fan 6 is fixedly arranged at the right side surface of the fixing frame 7, one end of the branch connecting pipe 9 is fixedly arranged at an air inlet of the fan 6, the other end of the tap pipe 9 penetrates through the right side surface of the circular bin 1 and extends to the inside of the circular bin 1.

Wherein, a plurality of steam shower nozzles 8 are linear equidistance distribution from left to right, and the air intake of fan 6 is double annular wind gap, and the one end and the inner ring wind gap fixed connection of takeover 9, and the outer loop wind gap of fan 6 can absorb outside air, and the through hole that can supply T type pipe 4 to run through is seted up to the top surface of circular storehouse 1, and the through hole passes through bearing and T type pipe 4's top fixed connection.

It is specific, open fan 6, make 6 drive outside air of fan enter into connecting pipe 5 inside, discharge into heated warehouses 2 inside by connecting pipe 5 again, then open hot plate 3 and heat the air of heated warehouses 2 inside, can discharge into a plurality of steam shower nozzles blowout through the T type pipe 4 of bottom after the heating, and then realize the stoving effect to the forage, can absorb the hot-air of circular warehouse 1 inside through the suction of fan mouth by the takeover 9 of intercommunication on the 1 right flank of circular warehouse again immediately, thereby reach heated air circulation stoving's effect.

In this embodiment, the driving assembly includes a first motor 15, a worm 14 and a worm wheel 25, the first motor 15 is fixedly installed on the inner bottom wall of the circular bin 1, one end of the worm 14 is fixedly installed on an output shaft of the first motor 15, the other end of the worm 14 is movably connected with the left side surface of the fixing plate 13 through a bearing, the worm wheel 25 is fixedly installed on the outer peripheral wall of the hollow rotating shaft 17, and the worm wheel 25 is meshed with the worm 14.

Specifically, the first motor 15 is turned on, so that the first motor 15 drives the worm 14 to rotate, the worm 14 is meshed with the worm wheel 25, the worm wheel 25 rotates, and then the worm wheel 25 is fixed on the hollow rotating shaft 17, so that the hollow rotating shaft 17 rotates.

In this embodiment, medicinal material circulation subassembly includes second motor 20, flood dragon dish 16 and bull stick 11, and second motor 20 fixed mounting is on the bottom surface of diaphragm 22, and the one end fixed mounting of bull stick 11 is on the output shaft of second motor 20, and the other end of bull stick 11 runs through and extends to the inside of hollow rotating shaft 17, and flood dragon dish 16 fixed mounting is on being located the inside 11 periphery walls of bull stick of hollow rotating shaft 17.

Wherein, the bottom of flood dragon dish 16 flushes with pan feeding hole 23, and the internal perisporium of hollow rotating shaft 17 and flood dragon dish 16's outer ring diameter clearance fit.

It should be noted that the medicinal materials can not fall out through the gap between the flood dragon disc 16 and the hollow rotating shaft 17.

Specifically, open second motor 20, make second motor 20 drive bull stick 11 and rotate, and then make and fix flood dragon dish 18 on bull stick 11, fall through the pan feeding hole 23 of seting up on the hollow rotating shaft 17 and sit to flood dragon dish 18 on, by flood dragon dish 18 clockwise rotation again, drive the medicinal material rebound.

The working principle of the above embodiment is as follows:

firstly, medicinal materials are put into a feed hopper 21, then the medicinal materials drop onto a guide plate 10 from the feed hopper 21, the medicinal materials drop onto a tray 18 through the guide plate 10, then a fan 6 is started, the fan 6 drives external air to enter into a connecting pipe 5, then the external air is discharged into a heating chamber 2 through the connecting pipe 5, then a heating plate 3 is started to heat the air in the heating chamber 2, the heated air is discharged into a plurality of hot air spray heads through a T-shaped pipe 4 at the bottom and is sprayed out, further, the drying effect of the forage is realized, then the hot air in the circular chamber 1 can be sucked through the suction force of a fan opening by a branch pipe 9 communicated with the right side surface of the circular chamber 1, thereby the hot air circulation drying effect is achieved, meanwhile, when a first motor 15 is started, the first motor 15 drives a worm 14 to rotate, the worm 14 is meshed with a worm wheel 25, further, the worm wheel 25 is rotated, then the medicine materials are fixed on the hollow rotating shaft 17 through the worm gear 25, the hollow rotating shaft 17 is further rotated, the four trays 18 fixed on the hollow rotating shaft 17 can also rotate, then the medicine materials on the tray 18 at the top drop onto the inclined plate 19 under the action of eccentricity, then the medicine materials drop to the interior of the material guide bin 26 through the inclined plate 19, then the second motor 20 is started, the second motor 20 drives the rotating rod 11 to rotate, further the flood dragon disc 18 fixed on the rotating rod 11 falls onto the flood dragon disc 18 through the feeding hole 23 formed in the hollow rotating shaft 17, then the flood dragon disc 18 rotates clockwise to drive the medicine materials to move upwards, when the medicine materials enter the top of the hollow rotating shaft 17, the medicine materials drop onto the tray 18 again to be reheated, so that the circulation drying is carried out for multiple times, after the drying is finished, the rotating rod 11 rotates, the medicine materials drop out anticlockwise through the bottom of the hollow rotating shaft 17 when the electric valve 24 is started, the medicinal materials are packaged in containers.

The control mode of the utility model is controlled by a controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the utility model.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The medicinal material hot air circulation oven is characterized by comprising a circular bin (1) and a hollow rotating shaft (17) positioned inside the circular bin (1), wherein the left side surface of the circular bin (1) is communicated with a feed hopper (21), a transverse plate (22) is fixedly installed inside the circular bin (1), a guide plate (10) is fixedly installed on the inner peripheral wall of the circular bin (1), and a hot air circulation assembly is arranged on the top surface of the circular bin (1) and used for reheating and recycling heated hot air;

the inner peripheral wall of the round bin (1) is fixedly provided with a partition plate (12), one end of the hollow rotating shaft (17) penetrates through and extends to the bottom of the round bin (1), the outer peripheral wall of the hollow rotating shaft (17) is fixedly provided with four trays (18) positioned at the tops of the partition plates (12), the inner peripheral wall of the round bin (1) is fixedly provided with four inclined plates (19), the inner bottom wall of the round bin (1) is fixedly provided with a fixed plate (13), and the inner bottom wall of the round bin (1) is provided with a driving assembly for driving the hollow rotating shaft (17) to rotate;

the periphery wall of hollow pivot (17) just is located baffle (12) bottom fixed mounting and has motorised valve (24), the periphery wall of hollow pivot (17) just is located motorised valve (24) top fixed mounting and has leads feed bin (26), the periphery wall of hollow pivot (17) just is located the inside pan feeding hole (23) of having seted up of lead feed bin (26), the fixed cover of interior perisporium of baffle (12) is equipped with roll shaft (27), and the periphery wall laminating of roll shaft (27) and lead feed bin (26), hollow pivot (17) inside is equipped with medicinal material circulation subassembly for with medicinal material circulation heating.

2. The medicinal material heated air circulation oven of claim 1, characterized in that: the circular bin (1) is a hollow cylinder, the guide plates (10) are annular plates with outer rings inclined towards the inner rings, the inclination angles are acute angles, the four inclined plates (19) are annular plates with outer rings inclined towards the inner rings and are distributed in a linear equidistant mode from top to bottom, the transverse plate (22) is respectively and vertically connected with the front inner wall and the back inner wall of the round bin (1), the top surface of the clapboard (12) is provided with an annular hole for the feed guiding cabin (26) to penetrate through, the annular hole is in clearance fit with the feed guiding cabin (26), the rolling shaft (27) is connected with the material guiding bin (26) in a sliding way, the four trays (18) are distributed in a linear equidistant way from top to bottom, the four trays (18) are respectively connected with the tops of the four inclined plates (19), the material guide bin (26) is a cylinder with a hollow top surface missing, and the bottom surface of the material guide bin (26) inclines downwards by using a center point of a circle center.

3. The medicinal material heated air circulation oven of claim 1, characterized in that: the hot air circulation component comprises a heating bin (2), a heating plate (3), a T-shaped pipe (4), a connecting pipe (5), a fan (6), a fixing frame (7), a hot air spray head (8) and a distributing pipe (9), wherein the heating bin (2) is fixedly arranged at the top of the circular bin (1), the T-shaped pipe (4) is fixedly arranged on the inner top wall of the circular bin (1), the top end of the T-shaped pipe (4) penetrates through and extends to the top of the circular bin (1) and is communicated with the bottom surface of the heating bin (2), the number of the hot air spray heads (8) is multiple, the hot air spray heads (8) are all communicated with the bottom surface of the T-shaped pipe (4), the heating plate (3) is fixedly arranged on the inner top wall of the heating bin (2), one end of the connecting pipe (5) is communicated with the right side surface of the heating bin (2), and the other end of the connecting pipe (5) is communicated with an air outlet of the fan (6) through a flange, mount (7) fixed mounting just is close to top department at the right flank in circular storehouse (1), fan (6) fixed mounting is on the right flank of mount (7), the one end fixed mounting of takeover (9) is on the air intake of fan (6), the other end of takeover (9) runs through the right flank in circular storehouse (1) and extends to the inside in circular storehouse (1).

4. The medicinal material heated air circulation oven of claim 3, characterized in that: it is a plurality of steam shower nozzle (8) are linear equidistance from a left side to the right side and distribute, the air intake of fan (6) is double annular wind gap, just the one end and the inner ring wind gap fixed connection of takeover (9), the outer loop wind gap of fan (6) can absorb outside air, the through hole that can supply T type pipe (4) to run through is seted up to the top surface in circular storehouse (1), the through hole passes through the top fixed connection of bearing and T type pipe (4).

5. The medicinal material heated air circulation oven of claim 1, characterized in that: drive assembly includes first motor (15), worm (14) and worm wheel (25), first motor (15) fixed mounting is on the interior diapire of circular storehouse (1), the one end fixed mounting of worm (14) is on the output shaft of first motor (15), the other end of worm (14) passes through the left surface swing joint of bearing and fixed plate (13), worm wheel (25) fixed mounting is on the periphery wall of hollow rotating shaft (17), worm wheel (25) and worm (14) meshing.

6. The medicinal material heated air circulation oven of claim 1, characterized in that: medicinal material circulation subassembly includes second motor (20), flood dragon dish (16) and bull stick (11), second motor (20) fixed mounting is on the bottom surface of diaphragm (22), the one end fixed mounting of bull stick (11) is on the output shaft of second motor (20), the other end of bull stick (11) runs through and extends to the inside of hollow rotating shaft (17), flood dragon dish (16) fixed mounting is on being located the inside bull stick (11) periphery wall of hollow rotating shaft (17).

7. The medicinal material heated air circulation oven of claim 6, characterized in that: the bottom and the pan feeding hole (23) of flood dragon dish (16) flush, the internal perisporium of hollow rotating shaft (17) and the outer loop diameter clearance fit of flood dragon dish (16).

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