CN103362189B - Flushing machine - Google Patents
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- CN103362189B CN103362189B CN201210091790.XA CN201210091790A CN103362189B CN 103362189 B CN103362189 B CN 103362189B CN 201210091790 A CN201210091790 A CN 201210091790A CN 103362189 B CN103362189 B CN 103362189B
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Abstract
The invention discloses a kind of flushing machine, comprise casing, guide rod, first piston, first piston loading spring, the second piston, the second piston loading spring, control valve, be provided with the mutual movable sealing of second piston for the large valve pocket carrying out at the bottom of case sealing, large valve pocket is provided with large sealing packing ring; An annular capacitor is had between at the bottom of large valve pocket, large sealing packing ring, the second piston and case.Adopt such scheme, in drainage procedure, decrease the Correlation of Physical degree of large sealing packing ring and small sealing ring, require greatly to reduce to large sealing packing ring and the hardness of small sealing ring and the margin of tolerance of elastic force, thus reduce manufacture and the inspection cost of part.
Description
Technical field
The present invention relates to a kind of flushing machine for rinsing dirt and/or sewage, particularly a kind of being applicable to rinses the flushing machine as the sanitary bath equipment of water closet bowl and so on.
Background technology
Chinese patent application CN200810091185.6 discloses a kind of flushing machine, principal character is that the second piston seal assembly has large sealing valve block and little sealing valve block, the second piston base and casing bottom limit outer lower chambers and interior lower chambers, act synergistically at bleeding stage and the second piston loading spring and make the second piston upwards, thus opening water discharge mouth.This structure second piston seal at the end of draining is stable not, affects product function.
A kind of flushing machine disclosed in Chinese patent application CN201010252463.9, principal character is to have first piston and the second piston seal assembly, described second piston seal assembly comprises the large sealing packing ring of the outer periphery be in bottom it and is in the small sealing ring of its core, the lower end of described first piston has annular projection, described annular projection can contact the large sealing packing ring of described second piston seal assembly, when described first piston slide downward, described annular projection can make the large sealing packing ring precompressed flexural deformation of described second piston seal assembly, the small sealing ring of large sealing packing ring described second piston seal assembly because precompressed flexural deformation has precedence over of described second piston seal assembly realizes sealing, thus realize the function of this assembly.The defect of this structure is, the large sealing packing ring of the second piston seal assembly and the relative distance of small sealing ring require very strict, very high to the relative tolerance area requirement such as relative stiffness and elastic force of these two kinds of sealing rings, cause in implementation procedure, there is deviation in the sealing sequencing of the second piston seal assembly, is easier to the situation occurring functional lability.
Summary of the invention
For solving the technical problem existed in prior art, the invention provides a kind of flushing machine.This flushing machine, in drainage procedure, achieves the relative movement of large sealing packing ring and the second piston (or the small sealing ring on the second piston).When large sealing packing ring realizes sealing, the second piston continues to move down and could to contact at the bottom of case thus ready for realizing smooth draining, makes drain function stable.
The technical solution adopted in the present invention is: provide a kind of flushing machine, comprise, one casing (1), this casing (1) has tank wall (1-1) and at the bottom of the case that is connected with this tank wall (1-1) (1-2), at the bottom of case, (1-2) offers the delivery port for connecting flushing pipe; One first piston (3), this first piston (3) can slide along tank wall (1-1) upper-lower seal in casing (1), and the inner cavity chamber of casing (1) is separated into upper chamber (1-3) and lower chambers (1-4) by this first piston (3)); One first piston loading spring (4), this first piston loading spring (4) applies elastic force to first piston (3) and is tending towards moving down to drive first piston (3); One second piston (5), this second piston (5) can slide up and down in casing (1), and this second piston (5) to be positioned at the bottom of first piston (3) and case between (1-2); One second piston loading spring (6), this second piston loading spring (6) is tending towards moving up to drive the second piston (5) for applying elastic force to the second piston (5); Second piston (5) is mutually provided with for carrying out with (1-2) at the bottom of case the large valve pocket (8) that seals movable sealing, and large valve pocket (8) is provided with large sealing packing ring (8-1); An annular capacitor (1-5) is had between (1-2) at the bottom of large valve pocket (8), large sealing packing ring (8-1), the second piston (5) and case.
As preferred version of the present invention, described large valve pocket (8) is around being arranged at the second piston (5) bottom.
As preferred version of the present invention, when first piston (3) moves down, and after (1-2) at the bottom of large sealing packing ring (8-1) and case realize sealing, annular capacitor (1-5) is communicated with delivery port, and the second piston (5) continues to move down and realizes the second piston (5) and seals with (1-2) at the bottom of case under hydraulic pressure effect.
As preferred version of the present invention, the bottom of the second piston (5) is provided with the small sealing ring (9-1) for sealing with (1-2) at the bottom of case.
As preferred version of the present invention, the inner chamber of described second piston (5) is provided with the little valve pocket (9) with the second piston (5) split, and the bottom sidewall of this little valve pocket (9) is provided with the small sealing ring (9-1) for sealing with (1-2) at the bottom of case.
As preferred version of the present invention, between described second piston (5) and described large valve pocket (8), be provided with connector; When the second piston (5) moves up, described second piston (5) realizes linking by this connector and large valve pocket (8).
As preferred version of the present invention, described connector comprises the first grab (8-2) being located at described large valve pocket (8) inwall, and described second piston (5) is limited in this first grab (8-2) inner side.
As preferred version of the present invention, described connector comprises the first functional element (5-6) be arranged on described second piston (5) and the second functional element (8-6) be arranged on large valve pocket (8), first functional element (5-6) is magnetic material with one of second functional element (8-6), and another is magnetic material or metal material.First functional element and the second functional element is attracting links to realize the second piston (5) and large valve pocket (8).
As preferred version of the present invention, described connector is spring (8-7,8-8), and the second piston (5) is fixed in one end of this spring (8-7,8-8), and the other end is fixed on large valve pocket (8); Realize the second piston (5) by spring (8-7,8-8) to link with large valve pocket (8).
As preferred version of the present invention, connector comprises the 3rd grab (5-1) being located at described second piston (5), and described large valve pocket (8) coordinates with the 3rd grab (5-1) and is limited in the 3rd grab (5-1) inner side or outside.
Technical scheme of the present invention is relative to prior art, and the beneficial effect obtained is:
(1) flushing machine of the present invention, the second piston outer periphery wall is provided with large valve pocket, and large valve pocket is provided with large sealing packing ring; Move down at first piston, when realizing sealing at the bottom of large sealing packing ring and case, annular capacitor is still communicated with delivery port, and the water in annular capacitor continues through delivery port and discharges; Second piston continues to move down by hydraulic pressure effect and just realizes sealing with at the bottom of case.In this course, decrease large sealing packing ring and other black boies (as the second piston or the small sealing ring) correlation degree in physical property, require greatly to reduce to large sealing packing ring and the hardness of small sealing ring and the margin of tolerance of elastic force, thus reduce manufacture and the inspection cost of part, improve the stability of mechanism.
(2) when flushing machine draining of the present invention, in order to realize the interlock between the second piston and large valve pocket, between the second piston and large valve pocket, be provided with connector (as grab, magnetic element, stage clip and extension spring etc.), further enhancing the stability of flushing machine.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the generalized section under flushing machine of the present invention is in original state;
Fig. 2 is the part A enlarged diagram shown in Fig. 1;
Fig. 3 is the part B enlarged diagram shown in Fig. 1;
Fig. 4 is that flushing machine of the present invention is in into water and schematic diagram under done state;
Fig. 5 is the view of control valve of the present invention when being raised;
Fig. 6 is that flushing machine of the present invention is in hull-borne schematic diagram;
Fig. 7 is the first embodiment schematic diagram that flushing machine of the present invention is provided with connector;
Fig. 8 is the C enlarged schematic partial view shown in Fig. 7;
Fig. 9 is the second embodiment schematic diagram that flushing machine of the present invention is provided with connector;
Figure 10 is the D enlarged schematic partial view shown in Fig. 9;
Figure 11 flushing machine of the present invention is provided with the 3rd embodiment schematic diagram of connector;
Figure 12 flushing machine of the present invention is provided with the 3rd embodiment schematic diagram of connector.
Drawing reference numeral illustrates:
1 casing 7 control valve
The large valve pocket of 1-1 tank wall 8
8-1 large sealing packing ring at the bottom of 1-2 case
1-3 upper chamber 8-2 first grab
1-4 lower chambers 8-3 second grab
1-5 annular capacitor 8-6 second functional element
2 guide rod 8-7 extension springs
3 first piston 8-8 stage clips
The little valve pocket of 4 first piston loading spring 9
5 second piston 9-1 small sealing rings
5-1 the 3rd grab 9-2 convex edge
5-3 first seal 10 water level element
5-4 second seal 5-5 the 3rd seal
5-6 first functional element
6 second piston loading springs
Detailed description of the invention
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearly, understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, flushing machine of the present invention, comprises casing 1, guide rod 2, first piston 3, first piston loading spring 4; Wherein, casing 1 has 1-2 at the bottom of interconnective tank wall 1-1 and case, tank wall 1-1 is one-body molded with 1-2 at the bottom of case or be connected, this tank wall 1-1 limits a column construction around an axis, preferably this axis is the center line of casing 1, and at the bottom of case, 1-2 offers one for connecting the delivery port of flushing pipe (not shown) around this axis; Guide rod 2 is fixed in casing 1 vertically along described axis, and guide rod 2 comprises screw rod and sleeve pipe, and screw rod is longitudinally arranged in casing 1 with the center line of casing 1 with overlapping, and sleeve pipe limits an axial screw, and screw rod can screw in this axial screw; First piston 3 can seal slip along described axis direction on guide rod 2, and the inner cavity chamber of casing 1 is separated into a upper chamber 1-3 and lower chambers 1-4 by this first piston 3, and lower chambers 1-4 contacts 1-2 at the bottom of case, and upper chamber 1-3 is then relative with lower chambers 1-4.First piston 3 is formed by connecting by upper piston area and piston base, upper piston area upwards extends along described axis direction and is hollow columnar structures, upper piston area is installed on the outer wall of guide rod 2, the external diameter of piston base is slightly less than the internal diameter of tank wall 1-1, and piston base can be slided along the inwall upper-lower seal of tank wall 1-1; First piston loading spring 4 is installed around guide rod 2, and applies elastic force to first piston 3 and be tending towards moving down to drive first piston 3, thus reduces the volume of lower chambers 1-4 and expand the volume of upper chamber 1-3.
As shown in Figure 1, flushing machine of the present invention also comprises the second piston 5, second piston loading spring 6, control valve 7; Second piston 5 can seal in the axial direction and slide on guide rod 2, this second piston 5 is at the bottom of first piston 3 and case between 1-2, second piston 5 comprises upper piston area and piston base equally, upper piston area is the cylindrical structural of hollow and is sheathed on the periphery wall of guide rod 2, piston base in the axial direction on guide rod 2 sealing slide; Second piston loading spring 6 is installed around described guide rod 2, and is tending towards moving up to drive the second piston 5 for applying elastic force to the second piston 5; Control valve 7 is for controlling the direction of inlet pipeline water inlet.
As shown in Figure 1, Figure 2, Figure 3 shows, around being provided with for carrying out with 1-2 at the bottom of case the large valve pocket 8 that seals bottom the second piston 5, second piston 5 and large valve pocket 8 movable sealing mutually, the bottom of large valve pocket 8 is provided with large sealing packing ring 8-1, has an annular capacitor 1-5 at the bottom of large valve pocket 8, large sealing packing ring 8-1, the second piston 5 and case between 1-2.
In order to ensure sealing performance, the second piston 5 bottom periphery and large valve pocket 8 contact site are provided with the first seal 5-3, are provided with the second seal 5-4 in the second piston 5 bottom periphery and described little valve pocket 9 contact site; When flushing machine of the present invention needs draining, the water source of annular capacitor 1-5 and lower chambers 1-4 or more High Voltage is connected by control valve 7, under the spring force of the second piston loading spring 6 and the effect of hydraulic pressure, the second piston up moves, and realizes opening water discharge.In drainage procedure, first piston 3 moves down, and first piston 3 contacts with large valve pocket 8.By the effect of the second piston loading spring 6, the second piston 5 moves to the upper position-arresting relative to large valve pocket 8.First piston 3 continues descending, and at the bottom of large sealing packing ring 8-1 and case, 1-2 realizes sealing, and now the second piston 5 does not also realize sealing with 1-1 at the bottom of case, and annular capacitor 1-5 is communicated with delivery port, and the water in capacitor 1-5 can flow through delivery port smoothly and discharge.Then, the second piston 5 seals with 1-2 at the bottom of case by lower mobile second piston 5 that realizes of hydraulic pressure effect continuation.
Because the sealing performance of the second piston 5 requires lower than the sealing performance of large sealing packing ring 8-1, therefore, the second piston 5 directly and 1-2 at the bottom of case seal, also can realize water inlet and the draining of flushing machine of the present invention.In order to strengthen the sealing of the second piston 5 and 1-2 at the bottom of case, bottom the second piston 5, sidewall is provided with the small sealing ring 9-1 for sealing with 1-2 at the bottom of case.
Alternatively, the inner chamber of the second piston 5 is provided with the little valve pocket 9 with the second piston 5 split, that is to say to arrange separately a little valve pocket 9 in the inner side of the second piston 5 split typely.Small sealing ring 9-1 is arranged on the bottom sidewall of little valve pocket 9, for sealing with 1-2 at the bottom of case.
As shown in Figure 1, Figure 3, in order to realize the interlock between little valve pocket 9 and the second piston 5, little valve pocket 9 tight joint is in the second piston 5.When large valve pocket 8 realizes realizing sealing with 1-2 at the bottom of case, when the second piston 5 continues to move down, the second piston 5 drives little valve pocket 9 to move down, thus realizes the interlock between little valve pocket 9 and the second piston 5.In order to realize the sealing of little valve pocket 9 and the second piston 5 inwall, between little valve pocket 9 and the second piston 5, be provided with the 3rd seal 5-5.Naturally, little valve pocket 9 and the second piston 5 can be set as interference fit or be clasped, thus realize sealing and fastening.
Adopt said structure, the water in the annular capacitor 1-5 of casing 1 not only can be made to drain, avoid containing larger hydraulic pressure in annular capacitor 1-5, destroy sealing performance.Meanwhile, require lower to the relative tolerance of the hardness between large sealing packing ring 8-1 and small sealing ring 9-1 and elastic force, improve the stability of function, and flushing machine of the present invention is extended application life.
Water inlet, the drainage procedure of flushing machine of the present invention are described below in conjunction with accompanying drawing 1 to Fig. 6.
As shown in Figure 1, show flushing machine and be in original state.In this condition, first piston 3 is positioned at 1-2 at the bottom of the case of casing 1 due to the elastic force effect by self gravitation and first piston loading spring 4, though the second piston 5 is by the second piston loading spring 6 elastic force upwards, but be subject to self gravitation and first piston 3 to its downward pressure simultaneously, second piston 5 is also positioned at 1-2 at the bottom of the case of casing 1, and first piston 3 is positioned on the second piston 5.In addition, annular capacitor 1-5 and lower chambers 1-4 is by large sealing packing ring 8-1 seal isolation, and annular capacitor 1-5 is communicated with delivery port, and annular capacitor 1-5 air pressure inside equals outside air air pressure.
As shown in Figure 4, show flushing machine to be in into water and schematic diagram under done state.Part current enter the lower chambers 1-4 of casing 1 with a direction shown in scheming along water inlet pipe, another part current enter the trap of toilet with the b direction shown in scheming along filling pipe.When the water level storage of the lower chambers 1-4 of casing 1 is full, first piston 3 has moved up and has reached extreme higher position, and first piston 3 contacts the water level element 10 be positioned on casing 1, and now casing 1 water storage is complete.Second piston 5 continues to move down certain distance owing to being subject to larger hydraulic pressure effect (hydraulic pressure is greater than the second piston loading spring 6 elastic force upwards), and small sealing ring 9-1 makes annular capacitor 1-5 and the lower mouth of a river seal.
As shown in Figure 5, view when control valve 7 is opened is shown.Control valve 7 is opened, and now, the water storage in lower chambers 1-4 then enters annular capacitor 1-5 along the c direction shown in figure, thus lower chambers 1-4 achieves with annular capacitor 1-5 and is communicated with.
As shown in Figure 6, show flushing machine and be in hull-borne.In this case, because the second piston 5 is subject to hydraulic pressure and the second piston loading spring 6 making a concerted effort upwards, the second piston 5 moves up, and large valve pocket 8 links along with the second piston 5, and the water in lower chambers 1-4 is discharged.Along with the discharge of water in lower chambers 1-4, first piston 3 promotes downwards by first piston loading spring 4.First piston 3 continues to move down, and first piston 3 first contacts with large valve pocket 8.By the effect of the second piston loading spring 6, the second piston 5 moves relative to large valve pocket 8 and is in upper position-arresting.First piston 3 continues descending, at the bottom of large sealing packing ring 8-1 and case, 1-2 realizes sealing, and now the second piston 5 does not also realize sealing with 1-1 at the bottom of case, water in annular capacitor 1-5 can enter delivery port smoothly and discharge, avoid owing to containing water in annular capacitor 1-5 and make annular capacitor 1-5 have large hydraulic pressure and destroy the sealing performance of large sealing packing ring 8-1 and small sealing ring 9-1, and achieve and drain water storage as far as possible, enhance the stability of flushing machine.
As mentioned above, realizing linking between the bottom of the second piston 5 and large valve pocket 8 is frictional force by between the two, and the interaction realization of hydraulic pressure, elastic force etc.In order to realize the interlock between the second piston 5 and large valve pocket 8 better, between the second piston 5 and large valve pocket 8, be provided with connector; When the second piston 5 moves up, the second piston 5 realizes linking by this connector and large valve pocket 8.
As shown in Figure 7, Figure 8, the first embodiment of connector is shown.This connector comprises the first grab 8-2 of the annular being located at large valve pocket 8 inwall, and the second piston 5 is limited in inside this first grab 8-2.When flushing machine draining, the second piston 5 moves up by hydraulic pressure and the second piston loading spring force action upwards, and large valve pocket 8 follows the second piston 5 to move up by the effect of the first grab 8-2, and the water in lower chambers 1-4 is discharged.Along with the discharge of water in lower chambers 1-4, first piston 3 promotes downwards by first piston loading spring 4.First piston 3 continues to move down, and first piston 3 first contacts with large valve pocket 8.By the effect of the second piston loading spring 6, the second piston 5 moves up relative to large valve pocket 8 and is in upper position-arresting.First piston 3 continues descending, and at the bottom of large sealing packing ring 8-1 and case, 1-2 preferentially realizes sealing.Meanwhile the second piston 5 does not also realize sealing with 1-1 at the bottom of case owing to being subject to the effect of the second piston loading spring 6, water in annular capacitor 1-5 can enter delivery port smoothly and discharge, avoid owing to containing water in annular capacitor 1-5 and make annular capacitor 1-5 have large hydraulic pressure and destroy the sealing performance of large sealing packing ring 8-1 and small sealing ring 9-1, and achieving and drain water storage as far as possible.In water inlet process, the second piston 5 continues mobile downwards by hydraulic pressure effect, realizes the sealing of (1-2) at the bottom of the second piston 5 and case, thus enhances the stability of flushing machine.
As shown in Figure 9, Figure 10, the second embodiment of connector is shown.This connector comprises the first functional element 5-6 be arranged on the second piston 5 and the second functional element 8-6 be arranged on large valve pocket 8, and the first functional element 5-6 and the second functional element 8-6 is attracting to link with large valve pocket 8 to realize the second piston 5.First functional element 5-6 and the second functional element 8-6 can be the elements of attracting two of heteropole all with magnetic material, and the element of also can be one of them be band magnetic material, another is hardware.When flushing machine draining, the second piston 5 moves up by hydraulic pressure and the second piston loading spring force action upwards, and large valve pocket 8 follows the second piston 5 to move up by the effect of magnetic attraction, and the water in lower chambers 1-4 is discharged.Along with the discharge of water in lower chambers 1-4, first piston 3 promotes downwards by first piston loading spring 4.First piston 3 continues to move down, and first piston 3 first contacts with large valve pocket 8.By the effect of the second piston loading spring 6, the second piston 5 moves up relative to large valve pocket 8 and is in upper position-arresting.First piston 3 continues descending, and at the bottom of large sealing packing ring 8-1 and case, 1-2 preferentially realizes sealing.Meanwhile the second piston 5 overcomes magnetic attraction so that also do not realize sealing with 1-1 at the bottom of case by the effect of the second piston loading spring 6, water in annular capacitor 1-5 can enter delivery port smoothly and discharge, avoid owing to containing water in annular capacitor 1-5 and make annular capacitor 1-5 have large hydraulic pressure and destroy the sealing performance of large sealing packing ring 8-1 and small sealing ring 9-1, and achieving and drain water storage as far as possible.In water inlet process, the second piston 5 continues mobile downwards by hydraulic pressure effect, realizes the sealing of (1-2) at the bottom of the second piston 5 and case, thus enhances the stability of flushing machine.
As shown in figure 11, the 3rd embodiment of connector is shown.Connector is an extension spring 8-7, and the lower surface of the second piston 5 is fixed in one end of this extension spring 8-7, and the other end of this extension spring 8-7 is fixed on the upper surface of large valve pocket 8; Second piston 5 moves upwardly through extension spring 8-7 and realizes the interlock with large valve pocket 8.As shown in figure 12, the 4th embodiment of connector is shown.Connector is a stage clip 8-8, and the upper surface of the second piston 5 is fixed in one end of this stage clip 8-8, and the other end of this stage clip 8-8 is fixed on the lower surface of large valve pocket 8; Second piston 5 moves upwardly through stage clip 8-8 and realizes the interlock with large valve pocket 8.
As previously mentioned, no matter the second piston 5 is fixed in one end of extension spring 8-7 or stage clip 8-8, this spring 8-7 or 8-8, and the other end is fixed on large valve pocket 8; Realize the second piston 5 by spring 8-7 or 8-8 to link with large valve pocket 8.
As shown in Figure 2, the 5th embodiment of connector is shown.This connector comprises the 3rd grab 5-1 being located at described second piston 5, and large valve pocket 8 coordinates with the 3rd grab 5-1 and is limited in the 3rd grab (5-1) inner side or outside.
As from the foregoing, in the first, the 5th embodiment of connector, the first grab 8-2, the 3rd grab 5-1 are made up of plastics or organic material, therefore have certain elastic deformation.Therefore, in all embodiments of connector, the interlock between the second piston 5 and large valve pocket 8 by flexibly connecting, thus is effective in and protects the second piston 5 and large valve pocket 8, extends application life between the two, improves the stability of mechanism.
Above-mentioned explanation illustrate and describes the preferred embodiments of the present invention, as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.
Claims (8)
1. flushing machine, comprises,
One casing (1), this casing (1) has tank wall (1-1) and at the bottom of the case that is connected with this tank wall (1-1) (1-2), at the bottom of case, (1-2) offers the delivery port for connecting flushing pipe;
One first piston (3), this first piston (3) can slide along tank wall (1-1) upper-lower seal in casing (1), and the inner cavity chamber of casing (1) is separated into upper chamber (1-3) and lower chambers (1-4) by this first piston (3));
One first piston loading spring (4), this first piston loading spring (4) applies elastic force to first piston (3) and is tending towards moving down to drive first piston (3);
One second piston (5), this second piston (5) can slide up and down in casing (1), and this second piston (5) to be positioned at the bottom of first piston (3) and case between (1-2);
One second piston loading spring (6), this second piston loading spring (6) is tending towards moving up to drive the second piston (5) for applying elastic force to the second piston (5);
It is characterized in that,
Second piston (5) is mutually provided with for carrying out with (1-2) at the bottom of case the large valve pocket (8) that seals movable sealing, and large valve pocket (8) is provided with large sealing packing ring (8-1); An annular capacitor (1-5) is had between (1-2) at the bottom of large valve pocket (8), large sealing packing ring (8-1), the second piston (5) and case;
Described large valve pocket (8) is around being arranged at the second piston (5) bottom;
When first piston (3) moves down, and after (1-2) at the bottom of large sealing packing ring (8-1) and case realize sealing, annular capacitor (1-5) is communicated with delivery port, and the second piston (5) continues to move down and realizes the second piston (5) and seals with (1-2) at the bottom of case under hydraulic pressure effect.
2. flushing machine according to claim 1, is characterized in that, the bottom sidewall of the second piston (5) is provided with the small sealing ring (9-1) for sealing with (1-2) at the bottom of case.
3. flushing machine according to claim 1, it is characterized in that, the inner chamber of described second piston (5) is provided with the little valve pocket (9) with the second piston (5) split, and the bottom of this little valve pocket (9) is provided with the small sealing ring (9-1) for sealing with (1-2) at the bottom of case.
4. flushing machine according to claim 1, is characterized in that, between described second piston (5) and described large valve pocket (8), be provided with connector; When the second piston (5) moves up, described second piston (5) realizes linking by this connector and large valve pocket (8).
5. flushing machine according to claim 4, it is characterized in that, described connector comprises the first grab (8-2) being located at described large valve pocket (8) inwall, and described second piston (5) is limited in this first grab (8-2) inner side.
6. flushing machine according to claim 4, it is characterized in that, described connector comprises the first functional element (5-6) be arranged on described second piston (5) and the second functional element (8-6) be arranged on large valve pocket (8), first functional element (5-6) is magnetic material with one of second functional element (8-6), and another is magnetic material or metal material; First functional element and the second functional element is attracting links to realize the second piston (5) and large valve pocket (8).
7. flushing machine according to claim 4, it is characterized in that, described connector is spring (8-7,8-8), and the second piston (5) is fixed in one end of this spring (8-7,8-8), and the other end is fixed on large valve pocket (8); Realize the second piston (5) by spring (8-7,8-8) to link with large valve pocket (8).
8. flushing machine according to claim 4, it is characterized in that, described connector comprises the 3rd grab (5-1) being located at described second piston (5), and described large valve pocket (8) coordinates with the 3rd grab (5-1) and is limited in the 3rd grab (5-1) inner side or outside.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201210091790.XA CN103362189B (en) | 2012-03-30 | 2012-03-30 | Flushing machine |
PCT/CN2013/073137 WO2013143431A1 (en) | 2012-03-30 | 2013-03-25 | Flushing mechanism |
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CN201210091790.XA CN103362189B (en) | 2012-03-30 | 2012-03-30 | Flushing machine |
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CN103362189A CN103362189A (en) | 2013-10-23 |
CN103362189B true CN103362189B (en) | 2015-08-26 |
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CN201210091790.XA Active CN103362189B (en) | 2012-03-30 | 2012-03-30 | Flushing machine |
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JP6841806B2 (en) * | 2018-10-05 | 2021-03-10 | ファナック株式会社 | Rotational force transmission parts |
CN109537693A (en) * | 2018-12-05 | 2019-03-29 | 厦门融技精密科技有限公司 | A kind of hydraulic drive mechanism of drain valve of toilet |
CN113250283A (en) * | 2021-06-07 | 2021-08-13 | 胡建廷 | Active water inlet core valve of air energy flushing toilet |
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CN202509593U (en) * | 2012-03-30 | 2012-10-31 | 李飞宇 | Washing mechanism |
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US6829787B1 (en) * | 2003-09-12 | 2004-12-14 | Charles G. Pipenburg | Water saving dual flush system of valving |
CN101892696A (en) * | 2010-08-10 | 2010-11-24 | 李飞宇 | Flushing mechanism |
CN202509593U (en) * | 2012-03-30 | 2012-10-31 | 李飞宇 | Washing mechanism |
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Effective date of registration: 20160601 Address after: Xiafei road in Haicang District of Xiamen city of Fujian Province, No. 2 361000 Patentee after: XIAMEN AXENT KITCHENWARE TECHNOLOGY CO., LTD. Address before: Xiafei road in Haicang District of Xiamen city of Fujian Province, No. 2 361000 Patentee before: Li Feiyu |