CN1240677A

CN1240677A - Power transmission device for centrifugal herb extractors

Info

Publication number: CN1240677A
Application number: CN99105400A
Authority: CN
Inventors: 李纪东
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-06-25
Filing date: 1999-04-28
Publication date: 2000-01-12
Anticipated expiration: 2019-04-28
Also published as: CN1086315C; KR200187380Y1; KR20000001450U

Abstract

A power transmission device for a centrifugal herb extractor has a locking member disposed on the outer cover of the extractor; the bottom of the locking member has an annular dent part with a central opening. A rotary shaft is inserted into the central opening of the locking member and is connected with a motor shaft at the cap part having an axial hole, and is connected with the inner cover of the extractor at a bottom having outer thread screw. A first sealing member and a second sealing member are supported on the annular dent part of the locking member and cover the rotary shaft, and are supported upward by a spiral spring to sealing the space between the locking shaft and the rotary shaft. The two sealing members can prevent wet vapour entering into the motor through a filter screen of the extractor. The cap of the rotary shaft is disposed on the top of the locking member with a space between them, and makes the friction force between the rotary shaft and the locking member minimum.

Description

Power transmission device for centrifugal herb extractors

The present invention relates to power transmission device for centrifugal herb extractors, especially about the improvement of power transmission device for centrifugal herb extractors, it simplifies the structure of this transmission device, reduce the manufacturing cost of device, make the user to the assembling of device or dismantle conveniently, the running of this device or maintenance are also become laborsaving.

As known to the personnel of present technique field: centrifugal herbaceous plant extractor be so a kind of equipment: the boiling herbaceous plant, utilize the centrifugal separating effect that does not reduce the herbaceous plant effective ingredient then, from being extracted almost all effective liquid composition the herbaceous plant of boiling.A typical centrifugal herbaceous plant extractor as shown in Figure 4.

As seen from the figure: existing centrifugal herbaceous plant extractor comprises: one is fixed on the matrix and the top has the overcoat 100 of enclosing cover 90, one concentric and place interior cover 80 in it with overcoat 100, and bottom of cover 80 also borrows a plurality of shock-absorbing springs 85 to be supported on the matrix in this.The bottom outside of cover 80 in an electric heater 82 is installed on.In cover 80 fuse on top with overcoat 100.Perisporium and bottom closely knitlyly and well-balancedly worn the hole perforation sieves 70 be installed on rotationally in cover 80 the insides, it is fixed on the axle 81, and axle 81 be installed in cover 80 bottom inside central authorities.An openable inner cap 72 is stamped on top at perforation sieves 70.The bearing that has a shaft coupling 51 in inner cap 72 outside central authorities.The lower end of this shaft coupling 51 and transmission device 50 links, and the output shaft 62 of the top of transmission device 50 and motor 60 links, and this motor 60 is arranged at above the enclosing cover 90 of overcoat 100.A main drainpipe 88 that has valve 86 is drawn in interior cover 80 bottom center, and an auxiliary drainpipe 88a draws from interior cover 80 bottom margins, and this auxiliary drainpipe 88a was connected with main drainpipe 88 before valve 86.

Transmission device 50 links with its lid 72 for driving sieves 70, and its power with motor 60 is passed to the lid 72 of sieves 70 by the output shaft 62 of motor, so can turn sieves 70.After herbaceous plant was by complete boiling, transmission device 50 passed to sieves 70 with rotation, so sieves 70 is rotated, utilized the centrifugal separating effect that does not reduce the herbaceous plant effective ingredient from being extracted effective liquid composition the herbaceous plant of boiling.The present inventor is in Korean utility model patent application 98---a kind of herbaceous plant extractor transmission device has been proposed in No. 2530.As this application 98---institute opens and shows like that in No. 2530: this transmission device is simple with other type herbaceous plant extractor transmission device structure compared, can effectively reduce operating mistake.And, the diffusion of cover the inside steam in this device almost completely can be checked, maintenance equipment is not subjected to moisture attack, can use for a long time.So this transmission device can reduce the maintenance cost of herbaceous plant extractor, makes things convenient for the user.

Above-mentioned transmission device detail is shown in Fig. 5,6.Reference diagram, this transmission device 50 comprises the locking piece 200 of a nut type, this locking piece make device 50 by support above enclosing cover 90.This locking piece 200 is vertically passed in a rotating shaft 110, and the upper end borrows connector 300 and drive motors 60 to link, and these rotating shaft 110 bottoms borrow assembly 51 and sieves 70 to link.The central part of this rotating shaft 110 has an annular projection 111, is provided with to the bilateral symmetry protruding 111 two bearings 120.The garden post bowl spare 140 that the bottom has bearing block 140a is enclosed within above the rotating shaft 110.An annular bolt 150 is fastened on the top of locking piece 200, thus make rotating shaft 110 by support in locking piece 200.A sealing ring 210 is placed in the lower end of locking piece 200, and it can be with the gap sealing that forms between lid 90 and locking piece.

Connector 300 links the output shaft 62 of rotating shaft 110 upper ends and drive motors 60.These connector 300 usefulness screws are arranged in the rotating shaft 110, and it has two connectors 320,320a.These two connectors 320,320a combine between the seal 350 that is arranged at therebetween.First connector 320 has a plurality of tooth 310, the second connector 320a down and has a plurality of tooth 310a up at end face on the bottom surface.When the occasion that two connectors 320,320a combine,

tooth

310 and 310a place alternately.Seal 350 has plural tooth 340 at outer surface, and the tooth 340 of seal 350 is meshed with two connectors 320, the tooth 310 of 320a, 310a.

For preventing that steam is oozed out by interior cover 80 in herbaceous plant boiling and leaching process, in locking piece 200, be provided with first and second seal 250,290.First seal 250 comprises two packing rings: external spiral packing ring 220 and support washer 240; Second seal 290 comprises the support bearing shell 270 of a fastening spring 260 of band shape.Support bowl 280 to be enclosed within to support bearing shell 270 above.

Shaft coupling 51 with on inner cap 72 is connected, borrows inner cap 72 that the rotatory force of drive motors 60 is passed to sieves 70 bottom of rotating shaft 110.

Helical spring 292 is connected the bottom of rotating shaft 110 between the support bearing shell 270 of the shaft coupling 51 and second seal 290.Bullet is built 292 and is made second seal 290 upwards partially, so make seal 290 can upwards support first seal 250 effectively.

Above-mentioned transmission device can reduce operating mistake effectively, and can prevent that almost completely steam from entering space, motor place by locking piece 200 from sieves.So equipment can use for a long time because of not corroded by wet steam.Thereby can reduce the maintenance cost of herbaceous plant extractor, make things convenient for the user.Yet, above-mentioned transmission device has the connector 300 of a complexity, also has many parts that link to each other with rotating shaft 110 in addition, so this device construction is still waiting further simplification, the product cost of herbaceous plant extractor is also very high, and the user is also inconvenient when assembling or dismounting extractor.

At the problem in the above prior art, purpose of the present invention just is that the application number to inventor's application is 98---2530 the disclosed power transmission device for centrifugal herb extractors of korean patent application is further improved, a kind of herbaceous plant transmission device is provided, this device construction is simple, reduce production costs, make the user to the assembling of device or dismantle conveniently, the running of this device and group repaiied also become laborsaving.

For achieving the above object, the invention provides a kind of power transmission device for centrifugal herb extractors, this device links to each other with motor shaft, top is located at the outer of herbaceous plant extractor and is covered, the bottom borrows a shaft coupling to be connected to the inner cap of sieves, so the rotation of motor is passed to inner cap, thereby inner cap is rotated with sieves.This device comprises: one be welded on the locking piece of the garden plate-like of outer hd top face, the end face of this locking piece has a plurality of screws, bottom surface central authorities are formed with annular recessed portion, this recess central authorities form opening.This central opening of locking piece is inserted in a rotating shaft, its top band cap, and there is external screw thread the bottom.Said rotating shaft also has a vertical hole of extending from the top of said cap downwards, and has screw at the perisporium of said cap, and machine shaft embeds this vertical hole.The place is equipped with first seal in the locking piece annular recessed portion, it be enclosed within rotating shaft above.This first seal is by the external screw thread circle and support circle to form.On rotating shaft, place and be provided with second seal of upwards supporting first seal under first seal.This second seal is included in the support axle sleeve that matches with a helical spring bottom and is enclosed within the support bowl of this support axle sleeve central authorities outside.Between the support axle sleeve of the shaft coupling and second seal, outside, rotating shaft bottom is with the support spring, and this spring makes second seal upwards lean on first seal.

Following the present invention is described further details of the present invention in conjunction with the accompanying drawings.

Fig. 1 is the decomposing schematic representation of embodiment of the invention power transmission device for centrifugal herb extractors.

Fig. 2 is the sectional view after transmission device shown in Figure 1 is assembled into together.

Fig. 3 is the display operation effect, and transmission device of the present invention is arranged at the outer sectional view that covers of centrifugal herbaceous plant extractor.

Fig. 4 is the sectional drawing of existing centrifugal herbaceous plant extractor.

Fig. 5 is the decomposing schematic representation of existing power transmission device for centrifugal herb extractors.

Fig. 6 is assembled into one and is arranged at the sectional view of the transmission device shown in Figure 5 on the centrifugal herbaceous plant extractor.

Embodiment

Fig. 1 is the decomposing schematic representation of the power transmission device for centrifugal herb extractors of the embodiment of the invention, and Fig. 2 is the sectional view after transmission device shown in Figure 1 is assembled into together.As shown in the figure, transmission device of the present invention comprises: the locking piece 10 of a garden plate-like, the end face of this locking piece 10 have a plurality of screws 12, and bottom surface central authorities are formed with the recess 14 of ring-type, and the central authorities of this recess 14 form opening 16.

The central opening 16 of locking piece 10 is inserted in rotating shaft 20.These axle 20 top band caps 25, bottom band external screw thread 21.External screw thread 21 and shaft coupling 51 match, and shaft coupling 51 jacks are in the bearing that inner cap 72 outsides of sieves 70 (see figure 6)s central authorities form.Rotating shaft 20 also has vertical hole 24 of extending from cap 25 tops downwards, has screw 22 on the perisporium of cap 25.Motor shaft 62 embeds in vertical hole 24.Annular recessed portion 14 places at locking piece 10 are equipped with first seal 62, and it is enclosed within above the rotating shaft 20.First seal 26 is by external screw thread circle 26a and support circle 26b to form.On rotating shaft 20, place and be provided with second seal 28 under first seal 26.This second seal 28 is used for upwards supporting first seal 26, and it is included in the support axle sleeve 28c that matches with helical spring 28a the bottom and is enclosed within the support bowl 28b of this support axle sleeve 28c central authorities outside.

Between shaft coupling 51 and support axle sleeve 28c, outside, rotating shaft 20 bottoms is with to be supported spring 29 or claims pressure coil spring.This spring makes second seal 28 upwards lean on first seal 26.

In the said equipment, in the time of in locking piece 10 central openings 16 are inserted in rotating shaft 20, the cap 25 of rotating shaft 20 apart from the end face of locking piece 10 possess " h " big give the spacing of determining earlier.

Fig. 3 is the display operation effect, and transmission device of the present invention is arranged at the outer sectional view that covers of centrifugal herbaceous plant extractor.As shown in the figure: garden plate-like locking piece 10 is welded in the end face of the enclosing cover 90 of herbaceous plant extractor.Rotating shaft 20 is inserted in locking piece 10 central openings 16.Motor 60 borrows a plurality of screw devices that screw in the screw 12 on locking piece 10.The output shaft 62 of motor 60 links with the cap 25 of rotating shaft 20.When shaft coupling 51 and axle changeed 20 outer spiral shell and spin line and match, two

seals

26,28 placed in the annular recessed portion 14 of locking piece 10.

Support spring 29 between shaft coupling 51 and support axle sleeve 28c, be enclosed within outside, rotating shaft 20 bottoms, it makes second seal 28 upwards lean on first seal 26.

The effect of above-mentioned transmission device once below is described.

When assembling this device, at first the garden plate-like to be decided above the enclosing cover 90 that part 10 is welded on the herbaceous plant extractor.Rotating shaft 20 is inserted in the central opening 16 of locking piece 10.So, will be enclosed within rotating shaft 20 outsides by external screw thread circle 26a and first seal 26 of supporting circle 26b to constitute and upwards be inserted into fully in the recess 14 of locking piece 10.First seal 26 is installed in after the recess 14 of locking piece 10, is enclosed within second seal 28 above the rotating shaft 20 and it is abutted against under first seal 26, thereby can upwards support first seal 26.In this occasion, second seal 28 is made of support axle sleeve 28c that matches with helical spring 28a in the bottom and the support bowl 28b that is enclosed within this support axle sleeve 28c central authorities outside.After this, shaft coupling 51 is matched with the external screw thread 21 of rotating shaft 20.Shaft coupling 51 is located in the bearing of sieves 70 inner caps 72, reaches to sieves 70 so it borrows the transmission of motor 60 can turn inner cap 72.

In addition, support that spring 29 is enclosed in outside, rotating shaft 20 bottom, between the support axle sleeve 28c of the shaft coupling 51 and second seal 28, so it makes second seal 28 upwards lean on first seal 26.These two

seals

26,28 almost can reach the desired result in the slit between sealing locking piece 10 and the rotating shaft 20 fully.

Motor 60 utilization be screwed into a plurality of screws in the locking piece screw 12 be installed in locking piece 10 above.At this moment, the output shaft 62 of motor 60 will insert earlier in the cap 25 of rotating shaft 20 before being fixed on motor 60 above the locking piece 10 with screw.When the occasion that rotating shaft 20 is inserted in locking piece 10, must guarantee between the end face of the bottom of the cap 25 of rotating shaft 20 and locking piece 10, to form spacing " h ".

As mentioned above, transmission device is assembled fully.When motor 60 started, the rotatory force of motor 60 at first is delivered to shaft coupling 51 that the external screw thread 21 of rotating shaft 20 and rotating shaft 20 cooperates by output shaft 62 and the inner cap 72 of sieves 70 is rotated.So sieves 70 with inner cap 72 one by high speed rotation to give determining earlier.

In transmission device, owing to have spacing " h " between the end face of the bottom of the cap 25 of rotating shaft 20 and locking piece 10, this frictional force that makes cap 25 form between locking piece 10 and cap 25 is under the minimum state garden and rotates slidingly.

On the other hand, first,

second seal

26,28 that is enclosed within rotating shaft 20 bottom sides outsides and is positioned at the annular recessed portion 14 of locking piece 10 can prevent that almost completely moisture such as water vapour from passing locking piece 10 by sieves and entering around the motor.Can reach Korean Utility Model the 98th by inventor application---the effect of showing of opening in No. 2530.

As mentioned above, the invention provides a kind of power transmission device for centrifugal herb extractors, compare with known similar extractor transmission device, transmission device of the present invention can more effectively pass to the rotation of motor the sieves of centrifugal herbaceous plant extractor.This transmission device structure is also simpler, can further reduce the production cost of transmission device.Because simple structure, the easy assembly and disassembly of transmission device of the present invention are more convenient for being provided with and maintenance.

The present invention is not limited to above embodiment, opens in as claims within the scope of showing of the present invention and design, can do various distortion, replenishes, replace.

Claims

1, power transmission device for centrifugal herb extractors, this device links to each other with motor shaft, and top is located at the outer of herbaceous plant extractor and is covered, the bottom borrows a shaft coupling to be connected to the inner cap of sieves, the rotation of motor is passed to inner cap, inner cap is rotated with sieves, this device comprises:

A locking piece that is welded on the garden plate-like of outer hd top face, the end face of this locking piece has a plurality of screws, and bottom surface central authorities are formed with annular recessed portion, and these recess central authorities form opening;

This central opening of locking piece is inserted in a rotating shaft, its top band cap, and there is external screw thread the bottom, and said rotating shaft also has a vertical hole of extending from the top of said cap downwards, and has screw at the perisporium of said cap, and machine shaft embeds this vertical hole;

The place is equipped with first seal in the locking piece annular recessed portion, it be enclosed within rotating shaft above, this first seal is by the external screw thread circle and support circle to form;

Place on rotating shaft and be provided with second seal of upwards supporting first seal under first seal, this second seal is included in the support axle sleeve that matches with a helical spring bottom and is enclosed within the support bowl of this support axle sleeve central authorities outside;

Between the support axle sleeve of the shaft coupling and second seal, rotating shaft bottom outside is with the support spring, this spring makes second seal upwards lean on first seal.

2, by the described power transmission device for centrifugal herb extractors of claim 1, it is characterized in that: in the time of in the locking piece central opening is inserted in rotating shaft, the cap of rotating shaft is possessed apart from the end face of locking piece and is given the spacing of determining earlier.