The water supply of full-automatic coffee machine and drainage arrangement
Technical field
The utility model relates to a kind of machinery for preparing coffee, specifically is a kind of water supply and drainage arrangement of full-automatic coffee machine.
Background technology
Full-automatic coffee machine is a kind of machinery that extracts coffee, and it comprises water pot and brewing system, between water pot and brewing system, also is provided with to brewing system to supply water and be the device of brewing system effluent, the i.e. water supply of full-automatic coffee machine and drainage arrangement.This device comprises a triple-valve body; Triple-valve body comprises that a water inlet, discharge outlet and one brewage water pipe; Water inlet is communicated with water pot, brewages water pipe and brewing system is fixed, and water inlet and the pipeline of brewageing between the water pipe are provided with a spool and water inlet sealing surface; Spool is provided with and is used for spool is pushed against the spring on the water inlet sealing surface, and spool is provided with into water sealing ring with the position that the water inlet sealing surface contacts; The pipeline of brewageing between water pipe and the discharge outlet is provided with draining sealing surface and fore-set, and the inner of fore-set pushes against the inner at spool, and the outer end and the cam of fore-set push against, and also is provided with on the fore-set to be used for the draining sealing ring that pushes against with the draining sealing surface.
The operation principle of this device is that the cam rotation promotes fore-set and advances; Fore-set promotes spool to the direction motion away from fore-set; Until the draining sealing ring on the fore-set and draining sealing surface top tight sealing simultaneously the water inlet sealing ring on the spool throw off with the water inlet sealing surface, at this moment, water inlet with brewage cross current; And brewage water pipe and drainpipe sealing, hot water gets into brewing system along water inlet through brewageing water pipe; Cam continues rotation; Under the effect of spring; Spool resets and spool drives fore-set and resets in the same way to the direction near cam, until water inlet sealing ring on the spool and water inlet sealing surface push against and fore-set on draining sealing ring and the disengaging of draining sealing surface, at this moment; Water inlet is with the brewing water duct occlusion and brewage water pipe and be communicated with drainpipe, and the waste water in the brewing system is discharged through drainpipe.
There are following defective in the water supply of the full-automatic coffee machine of prior art and drainage arrangement: at first, owing to brewage water pipe and spool is fixed as one, and and brewage water pipe with brewing system is fixed, like this, brewing system cleaning inconvenience; Secondly, fore-set is that spring is resetted by passing through the spool power transmission, promptly spring need promote spool could be to the fore-set power transmission; Fore-set is stressed less like this; Fore-set retreats that the amplitude that resets is little, speed is slow, and like this, draining sealing ring and the slit between the draining sealing surface on the fore-set are little; Drainage speed is slow, is stopped up by the waste residue after the wine coffee easily; Once more, because the inner face of fore-set holds out against on the inner face of spool, under the extruding of cam and spring, the stressed easy off-centre of fore-set and spool can make whole triple-valve body lose efficacy like this; Again secondly, the water inlet sealing ring on the spool turns over after easily even breaks away from spool after long-term the use.
Summary of the invention
The technical problem that the utility model will solve is, provides to make the water supply and the drainage arrangement of full-automatic coffee machine of the process convenient of cleaning brewing system.
The technical solution of the utility model is; A kind of water supply and drainage arrangement of full-automatic coffee machine are provided; It comprises a triple-valve body, triple-valve body comprise a water inlet, discharge outlet and one and brewing system fixing brewage water pipe, water inlet is provided with the spool and the sealing surface of intaking with the pipeline of brewageing between the water pipe; Spool is provided with and is used for spool is pushed against first spring on the water inlet sealing surface, and spool is provided with into water sealing ring with the position that the water inlet sealing surface contacts; The pipeline of brewageing between water pipe and the discharge outlet is provided with draining sealing surface and fore-set; The outer end and the cam of fore-set push against; Also be provided with on the fore-set and be used for the draining sealing ring that pushes against with the draining sealing surface; The triple-valve body top is provided with opening, and opening is fixed with the y RunddichtringO, brewages water pipe and is plugged in the y RunddichtringO.
Adopt above structure full-automatic coffee machine water supply and drainage arrangement compared with prior art, have the following advantages:
Because the triple valve top is provided with opening, opening is fixed with the y RunddichtringO, brewages water pipe and is plugged in the y RunddichtringO; Like this; Need to clean when brewageing the fixing brewing system of water pipe, can in the y RunddichtringO, extract, make that fixing brewing system breaks away from brewageing water pipe brewageing water pipe; This just can clean brewing system separately, so very convenient.
As improvement, fore-set is provided with and is used for fore-set is pushed against second spring on cam, like this; When cam return, fore-set can significantly reset rapidly under the effect of second spring, promptly to the direction motion away from spool; Like this; Draining sealing ring and the slit between the draining sealing surface on the fore-set are big, and effluent is rapidly smooth, and can also discharge and make the bigger waste residue of particle that coffee produces.
As also improving, the inner of spool is provided with blind hole, and the inner of fore-set is provided with thimble; Tailstock barrel is combined in the blind hole; Like this, thimble is by radially spacing in the blind hole of spool, avoids thimble and spool off-centre and cause the whole valve body inefficacy under the extruding of cam and spring; Make whole device stable work in work, reliability is high.
As improving, the outer banding of water inlet sealing ring has copper sheathing again, like this, can prevent into to turn over behind the water sealing ring even to break away from spool, makes that water inlet sealing ring working stability is reliable.
Description of drawings
Side sectional structure sketch map when Fig. 1 is water supply and the drainage arrangement water inlet of the utility model full-automatic coffee machine.
Side sectional structure sketch map when Fig. 2 is water supply and the drainage arrangement draining of the utility model full-automatic coffee machine.
Shown in the figure 1, triple-valve body, 1.1, opening, 2, water inlet, 2.1, admitting pipe joint, 3, discharge outlet; 4, brewage water pipe, 5, spool, 5.1, blind hole, 6, the water inlet sealing surface, 7, first spring; 8, water inlet sealing ring, 9, fore-set, 9.1, thimble, 10, the draining sealing surface, 11, cam; 12, draining sealing ring, 13, the y RunddichtringO, 14, copper sheathing, 15, second spring.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.
Like Fig. 1, shown in Figure 2, the water supply of the utility model full-automatic coffee machine and drainage arrangement, it comprises a triple-valve body 1.Triple-valve body 1 comprise a water inlet 2, discharge outlet 3 and one and brewing system fixing brewage water pipe 4.Water inlet 2 and the pipeline of brewageing between the water pipe 4 are provided with spool 5 and water inlet sealing surface 6.Spool 5 is provided with and is used for spool 5 is pushed against first spring 7 on water inlet sealing surface 6; Specifically; The admitting pipe joint 2.1 of having screwed on the water inlet 2; Spool 5 outer ends are provided with step surface, and the step surface of the inner of first spring 7 and spool 5 pushes against, and the outer end of first spring 7 and admitting pipe joint 2.1 push against.Spool 5 is provided with into water sealing ring 8 with the position that water inlet sealing surface 6 contacts, and water inlet sealing ring 8 outer bandings have copper sheathing 14.The pipeline of brewageing between water pipe 4 and the discharge outlet 3 is provided with draining sealing surface 10 and fore-set 9.Fore-set 9 can push against with spool 5, and specifically, the inner of spool 5 is provided with blind hole 5.1, and the inner of fore-set 9 is provided with thimble 9.1, and thimble 9.1 is linked in the blind hole 5.1 and the inner of thimble 9.1 can push against at the bottom of the hole of blind hole 5.1.Fore-set 9 is provided with and is used for fore-set 9 outer ends are pushed against second spring 15 on cam 11; Specifically, fore-set 9 is provided with limited step, and near the duct wall the draining sealing surface 10 of triple-valve body 1 is provided with step surface; Near the draining sealing surface 10 of the inner of second spring 15 and triple-valve body 1 step surface pushes against; The limited step of the outer end of second spring 15 and fore-set 9 pushes against, and like this, fore-set 9 is pushing against on cam 11 under the effect of second spring 15.The position that fore-set 9 contacts with draining sealing surface 10 also is provided with draining sealing ring 12.Triple-valve body 1 top is provided with opening 1.1, and opening 1.1 is fixed with y RunddichtringO 13, brewages water pipe 4 and is plugged in the y RunddichtringO 13.
The operation principle of this device is: cam 11 advances; Promotion fore-set 9 overcomes second spring 15 and advances; Make to push against and make fore-set 9 promote spools 5 at the bottom of the hole of blind hole 5.1 of the inner and spool 5 of thimble 9.1 of fore-set 9 and advance; And then make the water inlet sealing ring 8 disengaging water inlet sealing surfaces 6 of spool 5 and the draining sealing ring 12 of fore-set 9 push against with draining sealing surface 10; This moment water inlet 2 with brewage water pipe 4 and be communicated with and brewage water pipe 4 and seal with discharge outlet 3, the brewing system of full-automatic coffee machine is intake from water inlet 2; Cam 11 is retreated; Fore-set 9 is retreated under the acting in conjunction of second spring 15 and spool 5 and is resetted; Simultaneously, spool 5 also resets to the direction near cam 11 under the effect of first spring 7, makes the water inlet sealing ring 8 of spool 5 push against with water inlet sealing surface 6 and the draining sealing ring 12 of fore-set 9 breaks away from draining sealing surface 10; This moment, water inlet 2 was communicated with discharge outlet 3 with brewageing water pipe 4 sealing and brewage water pipe 4, and the brewing system of full-automatic coffee machine is from discharge outlet 3 discharge waste water and dregs.