CN202509592U - Drainage mechanism - Google Patents
Drainage mechanism Download PDFInfo
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- CN202509592U CN202509592U CN2012201313974U CN201220131397U CN202509592U CN 202509592 U CN202509592 U CN 202509592U CN 2012201313974 U CN2012201313974 U CN 2012201313974U CN 201220131397 U CN201220131397 U CN 201220131397U CN 202509592 U CN202509592 U CN 202509592U
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- sleeve pipe
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- drainage mechanism
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Abstract
The utility model discloses a drainage mechanism. The drainage mechanism comprises a box body, a guide rod, a first piston, a first piston-loaded spring, a second piston and a second piston-loaded spring. An embedded sleeve capable of sliding up and down along an axial part of the second piston is arranged between the second piston and the bottom of the box. A circular external sealing cavity is formed among the second piston, the embedded sleeve and the bottom of the box. The circular external sealing cavity is communicated with or sealed with a water outlet through movement of the embedded sleeve. The first piston is provided with a first acting element and the embedded sleeve is provided with a second acting element interacted with the first acting element. The first and second acting elements are interacted to realize movement of the embedded sleeve. With the adoption of the scheme, relative displacement and seal sequence of a large seal ring and a small seal ring can be controlled without utilizing material characteristics (such as compressive deformation) of the large and small seal rings, so that the stability of the drainage mechanism is enhanced.
Description
Technical field
The utility model relates to a kind of drainage mechanism that is used to wash dirt and/or sewage, particularly a kind of split type drainage mechanism that is applicable to the sanitary bath equipment of the flushing as the water closet and so on that draws water.
Background technology
The disclosed a kind of flushing machine of one Chinese patent application CN201010252463.9; Principal character is to have the first piston and the second piston seal assembly; The said second piston seal assembly comprises the large sealing packing ring and the small sealing ring that is in its core of the outer periphery that is in its bottom; The lower end of said first piston has annular projection; Said annular projection can contact the large sealing packing ring of the said second piston seal assembly, and during to lower slider, said annular projection can make the large sealing packing ring precompressed flexural deformation of the said second piston seal assembly at said first piston; The small sealing ring of the large sealing packing ring of the said second piston seal assembly said second piston seal assembly because of precompressed flexural deformation has precedence over is realized sealing, thereby realizes the function of this assembly.The defective 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; Lean on the distortion of big or small rubber cushion to realize the variation of its relative distance in water inlet and the drainage procedure, very high to relative tolerance area requirements such as the relative stiffness of these two kinds of sealing rings and elastic force, cause in implementation procedure; Deviation appears in the sealing sequencing of the second piston seal assembly, causes into water or draining inefficacy.
The utility model content
For solving the technical problem that exists in the prior art, the utility model provides a kind of split type drainage mechanism.This split type drainage mechanism makes large sealing packing ring be installed in respectively on the different assemblies with embedded sleeve pipe (small sealing ring on the perhaps embedded sleeve pipe); In water inlet and drainage procedure; Can produce relative motion, reach different seal cavity demands of different, not only make the described split type drainage mechanism of the utility model can stably realize water inlet and draining seal degree and sealing sequential; And each assembly of this drainage mechanism is not easy to damage, and prolong application life greatly.
The utility model solves the problems of the technologies described above; The technical scheme that is adopted is: a kind of drainage mechanism is provided; Comprise a casing (1), this casing (1) have tank wall (1-1) and with (1-2) at the bottom of the case that this tank wall (1-1) is connected, (1-2) offers the delivery port that is used to connect flushing pipe at the bottom of case; One first piston (3), this first piston (3) can slide along tank wall (1-1) upper-lower seal in casing (1), and this first piston (3) is separated into upper chamber (1-3) and lower chambers (1-4) with the inner cavity chamber of casing (1); One first piston loading spring (4), this first piston loading spring (4) apply elastic force to first piston (3) and are tending towards moving down to drive first piston (3); One second piston (5), this second piston (5) bottom periphery wall is provided with large sealing packing ring (5-1), and this second piston (5) is positioned at the bottom of first piston (3) and the case between (1-2), and this second piston (5) can slide up and down in casing (1); One second piston loading spring (6), this second piston loading spring (6) are used for that second piston (5) is applied elastic force and are tending towards moving up to drive second piston (5); Be provided with the embedded sleeve pipe (7) that can slide up and down at the bottom of second piston (5) and the case between (1-2) along the axial component of second piston (5); Form annular external seal chamber (5-3) at the bottom of second piston (5), embedded sleeve pipe (7) and the case between (1-2), this annular seal space (5-3) is through the mobile realization of embedded sleeve pipe (7) and being communicated with or sealing of delivery port; First piston (3) is provided with first functional element (3-2); Embedded sleeve pipe (7) is provided with and interactional second functional element of first functional element (3-2) (7-2), and the interaction of first functional element (3-2) and second functional element (7-2) is to realize moving of embedded sleeve pipe (7).
As the preferred version of the utility model, said embedded sleeve pipe (7) is provided with the small sealing ring (7-1) that moves and be used for (1-2) at the bottom of the stuffing box with embedded sleeve pipe (7).
Preferred version as the utility model; First piston (3) moves down; Before large sealing packing ring (5-1) on second piston (5) is realized sealing with (1-2) at the bottom of the case; First functional element (3-2) interacts with second functional element (7-2) embedded sleeve pipe (7) is up moved, thereby annular external seal chamber (5-3) is communicated with and draining with delivery port; First piston (3) up moves, and embedded sleeve pipe (7) moves down, thereby makes annular external seal chamber (5-3) and delivery port sealing.
As the preferred version of the utility model, be provided with the back-moving spring (7-3) that makes embedded sleeve pipe (7) be tending towards moving down between second piston (5) and the embedded sleeve pipe (7); First piston (3) moves down, and first functional element (3-2) interacts with second functional element (7-2) embedded sleeve pipe (7) is up moved and compression reseting spring (7-3); First piston (3) up moves, and back-moving spring (7-3) resets and embedded sleeve pipe (7) is down promoted.
Preferred version as the utility model; Element is the magnetic element that magnetic material is processed one of in said first functional element (3-2) and said second functional element (7-2); Another part is the magnetic element processed of magnetic material or the hardware of being processed by metal material, and said first functional element (3-2) attracts each other with said second functional element (7-2).
Preferred version as the utility model; Said first functional element (3-2) is for being arranged at first inserted link (3-2-2) bottom the first piston (3); Said second functional element (7-2) is for being fixed in the lever construction (7-2-1) on second piston (5); The second side direction decurrence of this lever construction (7-2-1) stretches out second inserted link (7-2-2) and this second inserted link (7-2-2) is connected on the embedded sleeve pipe (7), this first inserted link (3-2-2) when moving down with lever construction (7-2-1) thus the first side pressed downward make second inserted link (7-2-2) drive embedded sleeve pipe (7) up to move.
As the preferred version of the utility model, said first inserted link (3-2-2) can break away from when moving up in said lever construction (7-2-1) with said first piston (3).
As the preferred version of the utility model, said lever construction (7-2-1) first side is provided with the jack (6-2-2) that is used for ccontaining said first inserted link (3-2-2).
Preferred version as the utility model; Said first functional element (3-2) is for being arranged at first tooth bar (3-2-2 ') bottom the first piston (3); Said second functional element (7-2) is one to be fixed in the gear structure (7-2-1 ') on second piston (5); The one side direction decurrence of this gear structure (7-2-1 ') stretches out second tooth bar (7-2-2 ') and this second tooth bar (7-2-2 ') is fixed on the embedded sleeve pipe (7), and this first tooth bar (3-2-2 ') meshes driven gear structure (7-2-1 ') when moving down thereby rotation makes second tooth bar (7-2-2 ') drive embedded sleeve pipe (7) up moves.
As the preferred version of the utility model, said first tooth bar (3-2-2 ') can break away from when moving up in said gear structure (7-2-1 ') with said first piston (3).
The described technique scheme of the utility model is with respect to prior art, and the beneficial effect of obtaining is:
(1) the described split type drainage mechanism of the utility model; Be used to realize that first piston, second piston lay respectively at different assemblies with the large sealing packing ring and the embedded sleeve pipe (small sealing ring on the perhaps embedded sleeve pipe) of sealing at the bottom of the case; Thereby can realize the relative displacement and the sealing time sequence control of large sealing packing ring and small sealing ring; And the material behavior (like compressive strain) that need not utilize large sealing packing ring and small sealing ring waits and realizes; Thereby strengthened the stability of drainage mechanism draining, and the application life that has prolonged large sealing packing ring and small sealing ring.
(2) in order to realize the mutual interlock between first piston and the embedded sleeve pipe; On first piston, be provided with first functional element; On embedded sleeve pipe, be provided with second functional element; And first functional element and second functional element interact, and finally make between large sealing packing ring and the small sealing ring and realize relative motion.
(3) between first functional element and second functional element, be in non-active state following time; Embedded sleeve pipe is owing to receive the resilient force of back-moving spring; Be in normally off thereby make between small sealing ring and the delivery port, further guaranteed the stability that second piston starts.
(4) first inserted links are provided with the jack that is used for ccontaining first inserted link.When first inserted link acted on lever construction, first inserted link can accurately be realized active force each other, had guaranteed the stability of the said drainage mechanism of the utility model.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the part of the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is said split type drainage mechanism first embodiment of the utility model and the sketch map that is in original state;
Fig. 2 is an A part enlarged diagram shown in Figure 1;
Fig. 3 is said split type drainage mechanism first embodiment of the utility model and is in the into sketch map of water state;
Fig. 4 is said split type drainage mechanism first embodiment of the utility model and the sketch map that is in hull-borne;
Fig. 5 is said split type drainage mechanism first embodiment of the utility model and the sketch map two that is in hull-borne;
Fig. 6 is the sketch map of said split type drainage mechanism second embodiment of the utility model;
Fig. 7 is a B part enlarged diagram shown in Figure 6;
Fig. 8 is the sketch map of said split type drainage mechanism the 3rd embodiment of the utility model;
Fig. 9 is a C part enlarged diagram shown in Figure 8.
The specific embodiment
In order to make the utility model technical problem to be solved, technical scheme and beneficial effect is clearer, understand,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Embodiment one
Like Fig. 1, shown in Figure 2, the described split type drainage mechanism of the utility model 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 the case; 1-2 is one-body molded or fuse at the bottom of tank wall 1-1 and the case; This tank wall 1-1 limits a column construction, and guide rod 2 is fixing vertically in casing 1 along said axis, at the bottom of case 1-1 around guide rod 2 offer one be used to connect the flushing pipe (not shown) delivery port.Guide rod 2 comprises screw rod and nut, and nut limits an axial screw, and screw rod can screw in this axial screw; First piston 3 can slide along the sealing of guide rod 2 axis directions.This first piston 3 is separated into a 1-3 of upper chamber and a lower chambers 1-4 with the inner cavity chamber of casing 1,1-2 at the bottom of the lower chambers 1-4 contact case, and the 1-3 of upper chamber is then relative with lower chambers 1-4.First piston 3 is formed by connecting on piston top and piston base; Piston top extends upward and is the hollow cylindrical structure along axis direction; Piston top 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; Preferably, 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, thereby dwindles the volume of lower chambers 1-4 and enlarge the volume of the 1-3 of upper chamber.
Like Fig. 1, shown in Figure 2, the described split type drainage mechanism of the utility model also comprises second piston 5, the second piston loading spring 6; Second piston 5 can seal slip along axis direction on guide rod 2, these second piston, 5 bottom periphery walls are provided with large sealing packing ring 5-1, and this second piston 5 is at the bottom of first piston 3 and the case between the 1-2.Second piston 5 comprises piston top and piston base equally, and piston top is the cylindrical structural of hollow and is sheathed on the periphery wall of guide rod 2, and piston seals slip along axis direction on guide rod 2; The second piston loading spring 6 is installed around said guide rod 2, is used for that second piston 5 is applied elastic force and is tending towards moving up to drive second piston 5.
Like Fig. 1, shown in Figure 2, be provided with the embedded sleeve pipe 7 that can slide up and down at the bottom of second piston 5 and the case between the 1-2 along the axial component of second piston 5, can be provided with small sealing ring 7-1 on the embedded sleeve pipe 7 bottom periphery walls.Form annular external seal chamber 5-3 at the bottom of embedded sleeve pipe 7, second piston 5 and the case between the 1-2, this annular seal space 5-3 is through the mobile realization of embedded sleeve pipe 7 and being communicated with or sealing of delivery port.First piston 3 is provided with the first functional element 3-2, and embedded sleeve pipe 7 is provided with the interactional second functional element 7-2 with the first functional element 3-2, and the interaction of the first functional element 3-2 and the second functional element 7-2 is to realize moving of embedded sleeve pipe 7.Can be provided with the back-moving spring 7-3 that makes embedded sleeve pipe 7 be tending towards moving down between the embedded sleeve pipe 7 and second piston 5.Embedded sleeve pipe 7 is provided with small sealing ring 7-1, and small sealing ring 7-1 moves with embedded sleeve pipe 7 and is used for 1-2 at the bottom of the stuffing box.In the present embodiment; Element is the magnetic element that magnetic material is processed one of among the first functional element 3-2 and the second functional element 7-2; Another part is the magnetic element processed of magnetic material or the hardware of being processed by metal material, and the first functional element 3-2 and the second functional element 7-2 attract each other.
Water inlet and drainage procedure below in conjunction with the described split type drainage mechanism of accompanying drawing 1-5 explanation the utility model.
Fig. 1, Fig. 2 show split type drainage mechanism original state.This moment, first piston 3 was positioned at 1-2 (lower position-arresting is put) at the bottom of the case, and first piston 3 extruding second piston 5 makes second piston 5 also be positioned at its lower position-arresting and puts, and 1-2 seals at the bottom of the large sealing packing ring 5-1 on second piston 5 and the case.Embedded sleeve pipe 7 is at the bottom of second piston 5 and the case between the 1-2; Embedded sleeve pipe 7 is interacted by the first functional element 3-2 and the second functional element 7-2 and is in upper position-arresting and puts; At this moment, embedded sleeve pipe 7 and 1-2 at the bottom of the case sealing of being unrealized, annular external seal chamber 5-3 is communicated with delivery port.
Fig. 3 shows split type drainage mechanism water inlet state.Open the gauge tap (not shown), current get into lower chambers 1-4, and hydraulic pressure overcomes the elastic force of first piston loading spring 4 and first piston 3 is up promoted.Under hydraulic action, second piston 5 stays on and puts at lower position-arresting, and the large sealing packing ring 5-1 on second piston 5 continues and 1-2 sealing at the bottom of the case.Mutual magneticaction between the first functional element 3-2 and the second functional element 7-2 is owing to the increase of relative distance reduces, and embedded sleeve pipe 7 moves down owing to self gravitation and spring force effect, and embedded sleeve pipe 7 is also realized sealing state with 1-2 at the bottom of the case.
First piston 3 is up in the moving process; Mutual magneticaction between the first functional element 3-2 and the second functional element 7-2 reduces; Back-moving spring 7-3 begins to reset; And reseting elasticity also makes embedded sleeve pipe 7 move down, 1-2 sealing at the bottom of small sealing ring 7-1 on the embedded sleeve pipe 7 and the case, thus make annular external seal chamber 5-3 and delivery port sealing.In addition, on the embedded sleeve pipe 7 as be provided with small sealing ring 7-1, then small sealing ring 7-1 has strengthened the sealing with 1-2 at the bottom of the case.
Fig. 4, Fig. 5 show split type drainage mechanism hull-borne.When gauge tap control casing 1 carried out draining, press water got into annular seal space 5-3, and water pressure and the second piston loading spring, 6 elastic force move up second piston 3 and embedded sleeve pipe 7 jack-up.Simultaneously, because the water yield of lower chambers 1-4 reduces gradually, the elastic force of first piston loading spring 4 down promotes first piston 3.Finally, the first piston 3 and second piston 5 near.Because the power that attracts each other between the first functional element 3-2 and the second functional element 7-2 increases, thereby embedded sleeve pipe 7 relative second pistons 5 are moved up.Therefore; When 1-2 realizes sealing at the bottom of the large sealing packing ring 5-1 of second piston 5 and the case; Embedded sleeve pipe 7 (the small sealing ring 7-1 on the perhaps embedded sleeve pipe 7) is not also realized sealing with 1-2 at the bottom of the case; The water of annular external seal chamber 5-3 then can flow out from the passage between small sealing ring 7-1 and the delivery port realizes draining, avoids containing in the annular external seal chamber 5-3 than big hydraulic pressure and causes second piston 5 to open once more.
As stated, first piston 3 moves down, and after 1-2 realized sealing at the bottom of large sealing packing ring 5-1 on second piston 5 and the case, the first functional element 3-2 and the second functional element 7-2 interacted embedded sleeve pipe 7 is up moved and compression reseting spring 7-3.
Embodiment two
Like Fig. 6, shown in Figure 7, the difference of present embodiment and embodiment one is, realizes that the first functional element 3-2 when embedded sleeve pipe 7 moves up and down is different with the embodiment of the second functional element 7-2.The first functional element 3-2 of present embodiment is the first inserted link 3-2-2 that is arranged at first piston 3 bottoms; The second functional element 7-2 is the lever construction 7-2-1 that is fixed on second piston 5; The second side direction decurrence of this lever construction 7-2-1 stretches out the second inserted link 7-2-2 and this second inserted link 7-2-2 is fixed on the embedded sleeve pipe 7, up moves thereby make the second inserted link 7-2-2 drive embedded sleeve pipe 7 the first side pressed downward of lever construction 7-2-1 when this first inserted link 3-2-2 moves down.Lever construction 7-2-1 first side is provided with the jack 6-2-2 that is used for the ccontaining first inserted link 3-2-2, and when first piston 3 moved up, the first inserted link 3-2-2 can break away from the jack 6-2-2 in lever construction 7-2-1.
Embodiment three
Like Fig. 8, shown in Figure 9, the difference of present embodiment and embodiment one is, also is that the first functional element 3-2 when realizing that embedded sleeve pipe 7 moves up and down is different with the embodiment of the second functional element 7-2.The first functional element 3-2 is the first tooth bar 3-2-2 ' that is arranged at first piston 3 bottoms; The second functional element 7-2 one is fixed in the gear structure 7-2-1 ' on second piston 5; The side direction decurrence of this gear structure 7-2-1 ' stretches out the second tooth bar 7-2-2 ' and this second tooth bar 7-2-2 ' is fixed on the embedded sleeve pipe 7, and time engagement driven gear structure 7-2-1 ' rotation makes the embedded sleeve pipe 7 of second tooth bar 7-2-2 ' drive up mobile thereby this first tooth bar 3-2-2 ' moves down.
Above-mentioned explanation has illustrated and has described the preferred embodiment of the utility model; As previously mentioned; Be to be understood that the utility model is not limited to the form that this paper discloses, should do not regard eliminating as, and can be used for various other combinations, modification and environment other embodiment; And can in utility model contemplated scope described herein, change through the technology or the knowledge of above-mentioned instruction or association area.And change that those skilled in the art carried out and variation do not break away from the spirit and the scope of the utility model, then all should be in the protection domain of the utility model accompanying claims.
Claims (10)
1. a drainage mechanism comprises
One casing (1), this casing (1) have tank wall (1-1) and with (1-2) at the bottom of the case that this tank wall (1-1) is connected, (1-2) offers the delivery port that is used to connect flushing pipe at the bottom of case;
One first piston (3), this first piston (3) can slide along tank wall (1-1) upper-lower seal in casing (1), and this first piston (3) is separated into upper chamber (1-3) and lower chambers (1-4) with the inner cavity chamber of casing (1);
One first piston loading spring (4), this first piston loading spring (4) apply elastic force to first piston (3) and are tending towards moving down to drive first piston (3);
One second piston (5), this second piston (5) bottom periphery wall is provided with large sealing packing ring (5-1), and this second piston (5) is positioned at the bottom of first piston (3) and the case between (1-2), and this second piston (5) can slide up and down in casing (1);
One second piston loading spring (6), this second piston loading spring (6) are used for that second piston (5) is applied elastic force and are tending towards moving up to drive second piston (5);
It is characterized in that,
Be provided with the embedded sleeve pipe (7) that can slide up and down at the bottom of second piston (5) and the case between (1-2) along the axial component of second piston (5); Form annular external seal chamber (5-3) at the bottom of second piston (5), embedded sleeve pipe (7) and the case between (1-2), this annular seal space (5-3) is through the mobile realization of embedded sleeve pipe (7) and being communicated with or sealing of delivery port;
First piston (3) is provided with first functional element (3-2); Embedded sleeve pipe (7) is provided with and interactional second functional element of first functional element (3-2) (7-2), and the interaction of first functional element (3-2) and second functional element (7-2) is to realize moving of embedded sleeve pipe (7).
2. drainage mechanism according to claim 1 is characterized in that, said embedded sleeve pipe (7) is provided with the small sealing ring (7-1) that moves and be used for (1-2) at the bottom of the stuffing box with embedded sleeve pipe (7).
3. drainage mechanism according to claim 1; It is characterized in that; First piston (3) moves down; After large sealing packing ring (5-1) on second piston (5) was realized sealing with (1-2) at the bottom of the case, first functional element (3-2) interacted with second functional element (7-2) embedded sleeve pipe (7) is up moved, thereby annular external seal chamber (5-3) is communicated with and draining with delivery port; First piston (3) up moves, and embedded sleeve pipe (7) moves down, thereby makes annular external seal chamber (5-3) and delivery port sealing.
4. drainage mechanism according to claim 1 is characterized in that, is provided with the back-moving spring (7-3) that makes embedded sleeve pipe (7) be tending towards moving down between second piston (5) and the embedded sleeve pipe (7); First piston (3) moves down, and first functional element (3-2) interacts with second functional element (7-2) embedded sleeve pipe (7) is up moved and compression reseting spring (7-3); First piston (3) up moves, and back-moving spring (7-3) resets and embedded sleeve pipe (7) is down promoted.
5. drainage mechanism according to claim 1; It is characterized in that; Element is the magnetic element that magnetic material is processed one of in said first functional element (3-2) and said second functional element (7-2); Another part is the magnetic element processed of magnetic material or the hardware of being processed by metal material, and said first functional element (3-2) attracts each other with said second functional element (7-2).
6. drainage mechanism according to claim 1; It is characterized in that; Said first functional element (3-2) is for being arranged at first inserted link (3-2-2) bottom the first piston (3); Said second functional element (7-2) is for being fixed in the lever construction (7-2-1) on second piston (5); The second side direction decurrence of this lever construction (7-2-1) stretches out second inserted link (7-2-2) and this second inserted link (7-2-2) is connected on the embedded sleeve pipe (7), this first inserted link (3-2-2) when moving down with lever construction (7-2-1) thus the first side pressed downward make second inserted link (7-2-2) drive embedded sleeve pipe (7) up to move.
7. drainage mechanism according to claim 6 is characterized in that, said first inserted link (3-2-2) can break away from when moving up in said lever construction (7-2-1) with said first piston (3).
8. drainage mechanism according to claim 6 is characterized in that, said lever construction (7-2-1) first side is provided with the jack (6-2-2) that is used for ccontaining said first inserted link (3-2-2).
9. drainage mechanism according to claim 1; It is characterized in that; Said first functional element (3-2) is for being arranged at first tooth bar (3-2-2 ') bottom the first piston (3); Said second functional element (7-2) is one to be fixed in the gear structure (7-2-1 ') on second piston (5); The one side direction decurrence of this gear structure (7-2-1 ') stretches out second tooth bar (7-2-2 ') and this second tooth bar (7-2-2 ') is fixed on the embedded sleeve pipe (7), and this first tooth bar (3-2-2 ') meshes driven gear structure (7-2-1 ') when moving down thereby rotation makes second tooth bar (7-2-2 ') drive embedded sleeve pipe (7) up moves.
10. drainage mechanism according to claim 9 is characterized in that, said first tooth bar (3-2-2 ') can break away from when moving up in said gear structure (7-2-1 ') with said first piston (3).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201313974U CN202509592U (en) | 2012-03-30 | 2012-03-30 | Drainage mechanism |
| PCT/CN2013/073122 WO2013143428A1 (en) | 2012-03-30 | 2013-03-25 | Drainage mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201313974U CN202509592U (en) | 2012-03-30 | 2012-03-30 | Drainage mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202509592U true CN202509592U (en) | 2012-10-31 |
Family
ID=47062085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201313974U Expired - Lifetime CN202509592U (en) | 2012-03-30 | 2012-03-30 | Drainage mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202509592U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013143428A1 (en) * | 2012-03-30 | 2013-10-03 | Li Feiyu | Drainage mechanism |
| WO2013143431A1 (en) * | 2012-03-30 | 2013-10-03 | Li Feiyu | Flushing mechanism |
| CN103362190A (en) * | 2012-03-30 | 2013-10-23 | 李飞宇 | Drainage mechanism |
| CN104343170A (en) * | 2013-07-25 | 2015-02-11 | 李飞宇 | Instantly closed drainage device and closestool |
-
2012
- 2012-03-30 CN CN2012201313974U patent/CN202509592U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013143428A1 (en) * | 2012-03-30 | 2013-10-03 | Li Feiyu | Drainage mechanism |
| WO2013143431A1 (en) * | 2012-03-30 | 2013-10-03 | Li Feiyu | Flushing mechanism |
| CN103362190A (en) * | 2012-03-30 | 2013-10-23 | 李飞宇 | Drainage mechanism |
| CN103362190B (en) * | 2012-03-30 | 2015-08-26 | 李飞宇 | Drainage mechanism |
| CN104343170A (en) * | 2013-07-25 | 2015-02-11 | 李飞宇 | Instantly closed drainage device and closestool |
| CN104343170B (en) * | 2013-07-25 | 2017-02-01 | 厦门优胜卫厨科技有限公司 | Instantly closed drainage device and closestool |
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