CN217759139U - Toilet flushing device - Google Patents

Toilet flushing device Download PDF

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Publication number
CN217759139U
CN217759139U CN202220232054.0U CN202220232054U CN217759139U CN 217759139 U CN217759139 U CN 217759139U CN 202220232054 U CN202220232054 U CN 202220232054U CN 217759139 U CN217759139 U CN 217759139U
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China
Prior art keywords
water
mounting hole
cavity
hole
wall
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Active
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CN202220232054.0U
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Chinese (zh)
Inventor
陈海滨
张凤荣
黄贵阳
钟志军
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Xiamen Yidian Intelligent Technology Co Ltd
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Xiamen Yidian Intelligent Technology Co Ltd
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Priority to PCT/CN2022/079132 priority Critical patent/WO2022267527A1/en
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Abstract

The utility model discloses a closestool flushing device, include: the closestool is provided with a bedpan, water seal water for forming water seal is arranged at the bottom of the bedpan, a cavity is further arranged at the bottom of the bedpan, the cavity is provided with a front cavity wall and a rear cavity wall which are oppositely arranged, a front mounting hole is formed in the front cavity wall, a rear mounting hole is formed in the rear cavity wall, and the cavity is communicated with the water seal through the front mounting hole; the spray head is fixedly installed in the front installation hole and is fixedly installed in the rear installation hole in a sealing mode, the spray head is fixedly installed in the front installation hole through the flexible piece, the side wall of the spray head is provided with a through hole communicated with the cavity, and water of the spray head is sprayed to the water seal. The utility model discloses the installation location of shower nozzle is more reliable, ensures the angular deviation not of jet stream, and the washing effect is more stable, simultaneously, adopts the flexible piece to install the shower nozzle in preceding mounting hole can reduce the axiality requirement of production when making preceding mounting hole and back mounting hole, thereby makes the utility model discloses a shaping is easily made to the closestool, improves the yields of product, reduction in production cost.

Description

Toilet flushing device
Technical Field
The utility model relates to the technical field of sanitary wares, especially relate to a closestool flushing device.
Background
The bottom of the bowl of a toilet is usually fitted with a jet device to flush the waste material from the bottom of the bowl and to cause the waste pipe to quickly siphon during flushing. For a toilet structure with other water flows needing to be sprayed out of the spray holes at the bottom of the toilet bowl, the spraying device of the existing toilet is usually arranged on a rear mounting wall behind the spray holes, and when the toilet is washed, the water sprayed out of the spraying device and the other water flows are converged and sprayed out of the spray holes together; in order to achieve a better spraying effect, some spraying devices have certain requirements on the spraying angle. Due to the structure, the spraying device is only arranged on one installation wall, the installation and positioning accuracy is poor, the deviation of the angle of the sprayed water flow can be caused, and the spraying effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a closestool flushing device for solving the technical problem.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a toilet flushing device comprising:
the closestool is provided with a bedpan, water seal water for forming water seal is arranged at the bottom of the bedpan, a cavity is further arranged at the bottom of the bedpan, the cavity is provided with a front cavity wall and a rear cavity wall which are oppositely arranged, a front mounting hole is formed in the front cavity wall, a rear mounting hole is formed in the rear cavity wall, and the cavity is communicated with the water seal through the front mounting hole;
the shower nozzle, its fixed mounting in preceding mounting hole and sealed fixed mounting in the back mounting hole, the shower nozzle pass through flexible piece fixed mounting in preceding mounting hole, the lateral wall of shower nozzle be equipped with the through-flow hole of cavity intercommunication, the water of shower nozzle spout to the water seal.
Preferably, the flexible piece is arranged outside the spray head and is positioned between the spray head and the hole wall of the front mounting hole.
Preferably, the flexible part is annular or C-shaped, and the flexible part is sleeved outside the spray head.
Preferably, the flexible member is a corrugated pad; or the cross section of the flexible part is O-shaped; or the cross section of the flexible part is T-shaped;
the flexible piece adopts PVC material or rubber material or nylon material or gauze material.
Preferably, the nozzle is fixedly installed in the front installation hole in a sealing manner, the nozzle is in sealing fit with the front installation hole through the flexible piece, and the flexible piece is sleeved outside the nozzle and is positioned between the nozzle and the hole wall of the front installation hole; or the spray head penetrates through the front mounting hole and has a gap with the hole wall of the front mounting hole.
Preferably, when the nozzle is fixedly installed in the front installation hole in a sealing manner, the flexible member is a sealing corrugated gasket.
Preferably, the cavity is the water storage chamber, the shower nozzle is equipped with jet passage and flow increasing channel, the cross-sectional area of flow increasing channel's entry end is greater than the cross-sectional area of jet passage's exit end, jet passage and the pressure source intercommunication that provides pressure water, the water of jet passage's exit end spout to flow increasing channel's entry end, jet passage's exit end with form between flow increasing channel's the entry end with the flow increasing clearance of water storage chamber intercommunication, flow increasing clearance passes through the through-hole with the water storage chamber intercommunication, flow increasing channel's water spout to the water seal.
Preferably, the nozzle comprises an outer sleeve for connecting the injection channel and the flow increasing channel, the outlet end of the injection channel and the inlet end of the flow increasing channel are located in the outer sleeve, and the side wall of the outer sleeve is provided with a through hole.
Preferably, the nozzle comprises a spraying main body and a flow increasing main body which are connected together through a connecting structure, the spraying channel and the outer sleeve are both arranged on the spraying main body, and the flow increasing channel is arranged on the flow increasing main body.
Preferably, the shower nozzle is equipped with the jet passage who runs through both ends, the cavity pass through the discharge orifice with jet passage intercommunication, jet passage's entrance point with a washing pipeline intercommunication of closestool, the cavity with another washing pipeline intercommunication of closestool, the water of jet passage's exit end spouts to the water seal.
Preferably, the shower nozzle is provided with a limiting part, one end of the shower nozzle, which extends out of the cavity from the rear mounting hole, is in threaded connection with the nut, so that the nut is pressed against the outer side of the rear cavity wall, and the limiting part is also pressed against the inner side of the rear cavity wall or the outer side of the front cavity wall.
Preferably, the nozzle is in sealing fit with the rear mounting hole through a sealing gasket, and the sealing gasket is sleeved outside the nozzle; the limiting part presses the sealing gasket against the inner side of the rear cavity wall, or the nut presses the sealing gasket against the outer side of the rear cavity wall.
Preferably, the bottom of the bedpan is also provided with a drain pipe, the outlet of the spray head is opposite to the inlet of the drain pipe, and the cross-sectional area of the outlet of the spray head is smaller than that of the inlet of the drain pipe.
Preferably, the toilet flushing device is not provided with a water tank with a working liquid level higher than the water seal liquid level, and after the toilet flushing device finishes flushing, water flowing to the water seal at the bottom of the toilet bowl fills the water storage cavity.
Preferably, the cavity wall of the cavity and the bedpan are of an integrated structure.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a closestool flushing device, because the shower nozzle is fixed mounting in the front mounting hole and back mounting hole simultaneously, consequently, the installation location of shower nozzle is more reliable, ensures the not deviation of angle of jet stream, and the washing effect is more stable, simultaneously, water in the cavity through the through-flow hole flow in the shower nozzle and with the shower nozzle in water together spout to the water seal, can make two strands of rivers converge spun effect more reliable and more stable. In addition, because mounting hole and back mounting hole need adopt the manual work to prick the hole usually before the side, on the other hand closestool has the deformation of certain degree usually when firing, consequently if the axiality requirement to two holes is very difficult to accomplish, the utility model discloses a shower nozzle passes through flexible piece fixed mounting in the preceding mounting hole, can guarantee the installation angle of shower nozzle, can make again the utility model discloses the axiality requirement to preceding mounting hole and back mounting hole reduces, thereby makes the utility model discloses a shaping is easily made to the closestool, improves the yields of product, reduction in production cost.
2. The utility model discloses a shower nozzle can utilize the venturi principle to make the water of water storage intracavity pass through and increase during the clearance is inhaled the shower nozzle, water among the suction nozzle and injection passage spun water spout the water seal to the bedpan bottom through increasing the flow passage together, the shower nozzle has better increase the flow effect and increase the flow stability, make the hydroenergy of water storage intracavity flow to the water seal of bedpan bottom as early as possible steadily in order to carry out the moisturizing to the water seal, improve the washing away function of closestool, can reduce current pressure type scouring system's minimum operating pressure, reduce the closestool noise and avoid the phenomenon that the splash appears.
Drawings
Fig. 1 is a cross-sectional view of a first embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
FIG. 3 is a cross-sectional view of a toilet according to an embodiment of the present invention;
FIG. 4 is a schematic view of an assembly structure of a nozzle, a nut, a flexible member and a gasket according to an embodiment of the present invention;
FIG. 5 is an exploded view of a nozzle, nut, flexible member and gasket in accordance with an embodiment of the present invention;
fig. 6 is a cross-sectional view of a second embodiment of the present invention (the nut is hidden in the figure);
FIG. 7 is an enlarged partial view at B in FIG. 6;
fig. 8 is a cross-sectional view of a third embodiment of the present invention (the nut is hidden in the figure);
fig. 9 is a partially enlarged schematic view at C in fig. 8.
The reference numerals are explained below:
1-closestool, 11-bedpan, 12-cavity, 121-front cavity wall, 1211-front mounting hole, 122-rear cavity wall, 1221-rear mounting hole, 13-sewage discharge pipe, 2-spray head, 21-spray channel, 22-flow increasing channel, 23-through hole, 24-flow increasing gap, 25-limiting part, 26-outer sleeve, 27-spray main body, 28-flow increasing main body, 3-flexible part, 4-nut and 5-sealing gasket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the toilet flushing device of the present invention is not limited to the embodiment.
Example one
Referring to fig. 1 to 5, a toilet flushing device of the present embodiment includes:
the toilet bowl comprises a toilet bowl 1 and a toilet bowl, wherein the toilet bowl 1 is provided with a toilet bowl 11, water seal water for forming water seal is arranged at the bottom of the toilet bowl 11, a cavity 12 is further arranged at the bottom of the toilet bowl 11, the cavity 12 is provided with a front cavity wall 121 and a rear cavity wall 122 which are oppositely arranged, a front mounting hole 1211 is formed in the front cavity wall 121, a rear mounting hole 1221 is formed in the rear cavity wall 122, and the cavity 12 is communicated with the water seal at the bottom of the toilet bowl 11 through the front mounting hole 1211;
and the spray head 2 is fixedly arranged in the front mounting hole 1211 and is fixedly arranged in the rear mounting hole 1221 in a sealing way, the spray head 2 is fixedly arranged in the front mounting hole 1211 through the flexible piece 3, the side wall of the spray head 2 is provided with a through hole 23 communicated with the cavity 12, and water of the spray head 2 is sprayed to the water seal at the bottom of the bedpan 11.
The toilet flushing device of the embodiment has the advantages that the spray head 2 is fixedly installed in the front installation hole 1211 and the rear installation hole 1221 at the same time, so that the installation and positioning of the spray head 2 are more reliable, the deviation of the angle of the sprayed water flow is avoided, the flushing effect is more stable, meanwhile, the water in the cavity 12 flows into the spray head 2 through the through hole 23 and is sprayed to the water seal together with the water in the spray head 2, and the effect of converging and spraying the two water flows is more stable and reliable. In addition, the hole-exiting mode in the production of the existing toilet 1 is manually marked and the deformation of the toilet 1 is relatively large when the toilet is fired, which is difficult to achieve if the requirement for the coaxiality of the two holes is relatively high, the spray head 2 of the embodiment is fixedly installed in the front installation hole 1211 through the flexible piece 3, so that the spray head 2 can be easily disassembled and assembled, the small inclination of the spray head 2 is ensured, the requirement for the coaxiality of the front installation hole 1211 and the rear installation hole 1221 of the embodiment is reduced, and the toilet 1 of the embodiment is easy to manufacture and mold.
Specifically, in this embodiment, the cavity 12 is disposed at the bottom back of the bedpan 11, and the cavity wall of the cavity 12 and the bedpan 11 are of an integrated structure. Of course, in other embodiments, the cavity may be formed separately from the bowl.
Referring to fig. 1, fig. 2, fig. 4 and fig. 5, in the present embodiment, the flexible member 3 is disposed outside the nozzle 2 and between the nozzle 2 and the wall of the front mounting hole 1211.
Specifically, in this embodiment, the flexible member 3 is annular, and the flexible member 3 is located outside the shower nozzle 2, the flexible member 3 adopts this structural design can make things convenient for the quick installation location of shower nozzle 2. In this embodiment, the flexible member 3 is circular. Of course, in other embodiments, the flexible member may be configured to be C-shaped, and the flexible member is sleeved outside the nozzle and located between the nozzle and the hole wall of the front mounting hole, so as to facilitate quick mounting and positioning of the nozzle.
Referring to fig. 1, 2, 4 and 5, in the embodiment, the toilet flushing device further includes a nut 4, the nozzle 2 is provided with a limiting portion 25, and one end of the nozzle 2 extending out of the cavity 12 from the rear mounting hole 1221 is screwed with the nut 4, so that the nut 4 is pressed against the outer side of the rear cavity wall 122 and the limiting portion 25 is also pressed against the inner side of the rear cavity wall 122. During installation, the spray head 2 sequentially penetrates through the front installation hole 1211 and the rear installation hole 1221 from the bottom of the bedpan 11, and then the spray head 2 is screwed and locked with the nut 4 from one end of the rear installation hole 1221, which extends out of the cavity 12, so that the spray head 2 is fixed. Of course, in other embodiments, it may also be configured that one end of the nozzle, which extends out of the cavity from the rear mounting hole, is screwed with the nut, so that the nut is pressed against the outer side of the rear cavity wall while the limiting portion is also pressed against the outer side of the front cavity wall.
Specifically, in this embodiment, the spray head 2 is in sealing fit with the rear mounting hole 1221 through the sealing gasket 5, the sealing gasket 5 is sleeved outside the spray head 2, and the limiting portion 25 presses the sealing gasket 5 against the inner side of the rear cavity wall 122, so that the spray head 2 is in hard sealing fit with the rear mounting hole 1221 through the sealing gasket 5. Of course, in other embodiments, a nut may be provided to press the sealing gasket against the outer side of the rear cavity wall, and the hard sealing fit of the spray head and the rear mounting hole through the sealing gasket can also be achieved.
In this embodiment, the nozzle 2 is fixedly installed in the front installation hole 1211 in a sealing manner, the nozzle 2 is in sealing fit with the front installation hole 1211 through the flexible member 3, the flexible member 3 is sleeved outside the nozzle 2 and is located between the nozzle 2 and the hole wall of the front installation hole 1211, and the nozzle 2 is in flexible sealing fit with the front installation hole 1211 through the flexible member 3, so that water in the water storage cavity can better sequentially pass through the through-flow hole 23 and the front installation hole 1211 to be sprayed to the water seal at the bottom of the bedpan 11, and dirt in the water seal can be effectively prevented from entering the water storage cavity. In this embodiment, because the requirements of the front mounting hole 1211 and the rear mounting hole 1221 on the sealing effect are different, and the requirement of the rear mounting hole 1221 on the sealing effect is higher, the nozzle 2 in this embodiment is in hard sealing fit with the rear mounting hole 1221 through the sealing gasket 5, and is in flexible sealing fit with the front mounting hole 1211 through the flexible member 3, so that the requirement of the sealing effect for mounting the nozzle 2 can be met.
Specifically, in this embodiment, the flexible member 3 is a corrugated pad, specifically, a sealing corrugated pad, and the nozzle 2 is in flexible sealing fit with the front mounting hole 1211 through the sealing corrugated pad, so as to achieve the sealing and fixing of the nozzle 2 in the front mounting hole 1211; the flexible member 3 in this embodiment is made of rubber. Of course, in other embodiments, the flexible member may be made of PVC (polyvinyl chloride) material, nylon material or gauze material.
Referring to fig. 1 to 5, in the present embodiment, the chamber 12 is a water storage chamber, the spray head 2 is provided with a spray channel 21 and a flow increasing channel 22, a cross-sectional area of an inlet end of the flow increasing channel 22 is larger than a cross-sectional area of an outlet end of the spray channel 21, an inlet end of the spray channel 21 is communicated with a pressure source for providing pressure water, water at an outlet end of the spray channel 21 is sprayed to the inlet end of the flow increasing channel 22, a flow increasing gap 24 communicated with the water storage chamber is formed between the outlet end of the spray channel 21 and the inlet end of the flow increasing channel 22, the flow increasing gap 24 is communicated with the water storage chamber through a through hole 23, and water at the flow increasing channel 22 is sprayed to a water seal at the bottom of the toilet bowl 11. The spray head 2 of the embodiment can utilize the venturi principle to enable water in the water storage cavity to be sucked into the spray head 2 through the flow increasing gap 24, the water sucked into the spray head 2 and water sprayed out of the spray channel 21 are sprayed to the water seal at the bottom of the bedpan 11 through the flow increasing channel 22, and the spray head 2 has good flow increasing effect and flow increasing stability, so that the water in the water storage cavity can stably flow to the water seal at the bottom of the bedpan 11 as soon as possible to replenish the water seal, the flushing performance of the closestool 1 is improved, the lowest service pressure of the existing pressure type flushing system can be reduced, the noise of the closestool 1 is reduced, and the phenomenon of splashing is avoided.
Specifically, in the present embodiment, most of the space of the water storage cavity is below the water seal line at the bottom of the bedpan 11, which is beneficial to store more water with a smaller space, and the water storage cavity is further provided with a vent (not shown in the figure) communicated with the outside atmosphere, and under a normal state, the water level of the water storage cavity is level with the water level of the water seal at the bottom of the bedpan 11; the pressure source is in particular municipal tap water or a pump device or the like.
Referring to fig. 1, fig. 2, fig. 4 and fig. 5, in the present embodiment, the nozzle 2 includes an outer sleeve 26 for connecting the injection channel 21 and the flow-increasing channel 22, an outlet end of the injection channel 21 and an inlet end of the flow-increasing channel 22 are located in the outer sleeve 26, a through hole 23 is formed in a side wall of the outer sleeve 26, and a cross-sectional area of the inlet end of the flow-increasing channel 22 is gradually reduced along a direction away from the flow-increasing gap 24. In this embodiment, the pressure water is sprayed from the spraying channel 21 to the flow increasing channel 22, a negative pressure is generated at the flow increasing gap 24, so that the water in the water storage chamber is sucked into the flow increasing gap 24 through the through hole 23, the water sucked into the flow increasing gap 24 and the water sprayed from the spraying channel 21 are sprayed out through the flow increasing channel 22, and the structural design of the inlet end of the flow increasing channel 22 can better converge and guide the water sprayed from the spraying channel 21 and the water sucked from the flow increasing gap 24, thereby increasing the flushing force of the water sprayed from the flow increasing channel 22.
Specifically, in the present embodiment, the spray head 2 includes a spray main body 27 and a flow increasing main body 28 connected together through a connecting structure, the spray channel 21 and the outer sleeve 26 are both disposed on the spray main body 27, and the flow increasing channel 22 is disposed on the flow increasing main body 28, so that the spray head 2 designed by the structure is easy to produce and manufacture, and reduces the production cost; the inlet end of the flow-increasing channel 22 is in particular flared, and the connection structure for connecting the jetting body 27 and the flow-increasing body 28 can be in particular a threaded connection structure or a snap connection structure in the prior art.
Referring to fig. 1 and 3, in the present embodiment, a drain pipe 13 is further disposed at the bottom of the toilet bowl 11, an outlet of the spray head 2 (i.e., an outlet of the flow-increasing channel 22) is disposed opposite to an inlet of the drain pipe 13, and a cross-sectional area of the outlet of the spray head 2 is smaller than a cross-sectional area of the inlet of the drain pipe 13, so that water in the flow-increasing channel 22 is sprayed against the inlet of the drain pipe 13 to siphon the toilet bowl 1 by a venturi effect, and thus, the siphon strength is increased by two venturi effects.
In this embodiment, the toilet flushing device does not have a water tank (not shown in the figure) with a working liquid level higher than a water seal liquid level, and after the toilet flushing device finishes flushing, water flowing to the water seal at the bottom of the toilet bowl 11 fills the water storage cavity.
The working principle of the embodiment is briefly described as follows:
when the toilet is washed, pressure water is sprayed to the flow increasing channel 22 from the spraying channel 21, negative pressure is generated at the position of the flow increasing gap 24, so that water in the water storage cavity is sucked into the flow increasing gap 24 through the through hole 23, the water sucked into the flow increasing gap 24 and the water sprayed by the spraying channel 21 are sprayed out through the flow increasing channel 22, the flow increasing channel 22 is sprayed towards the inlet of the sewage discharge pipe 13, negative pressure is generated at the inlet of the sewage discharge pipe 13, the water in the water seal at the bottom of the toilet bowl 11 is sucked into the inlet of the sewage discharge pipe 13, the water sucked into the inlet of the sewage discharge pipe 13 in the water seal and the water sprayed by the flow increasing channel 22 are discharged from the sewage discharge pipe 13 together, the sewage is quickly discharged out of the toilet 1 under the action of the pushing force of the spray head 2 and the siphon suction force of the sewage discharge pipe 13 due to further flow increasing amplification, and the required pipe-like full pipe state in siphon can be quickly achieved in the sewage discharge pipe 13.
Certainly, in other embodiments, the flexible member may be in clearance fit with the outer wall of the nozzle, or in clearance fit with the hole wall of the front mounting hole, so that an overflow gap is formed between the outer wall of the nozzle and the hole wall of the front mounting hole, the overflow gap is preferably smaller than 2mm, water in the water storage cavity can be better sprayed to the water seal at the bottom of the bedpan through the front mounting hole in the gap range, and dirt in the water seal can be better prevented from entering the water storage cavity from the gap between the hole wall of the front mounting hole and the nozzle.
Example two
The present embodiment is substantially the same as the first embodiment, and the difference is only that:
referring to fig. 6 and 7, in the present embodiment, the cross section of the flexible member 3 is O-shaped, and the flexible member 3 and the front mounting hole 1211 can also be flexibly and hermetically engaged with each other.
In this embodiment, the structures and principles of the remaining parts not described are consistent with the embodiment, and are not described herein again.
EXAMPLE III
The present embodiment is substantially the same as the first embodiment, and the difference is only that:
referring to fig. 8 and 9, in the present embodiment, the cross section of the flexible member 3 is T-shaped, and the flexible sealing engagement of the nozzle 2 with the front mounting hole 1211 through the flexible member 3 can also be achieved.
In this embodiment, the structures and principles of the remaining portions not described are consistent with the embodiment, and are not described herein again.
EXAMPLE four (not shown)
The present embodiment is substantially the same as the first embodiment, and the difference is only that:
in this embodiment, the nozzle 2 is provided with a spray channel 21 penetrating through two ends, the cavity 12 is communicated with the spray channel 21 through a through hole 23, an inlet end of the spray channel 21 is communicated with one flushing pipeline of the toilet bowl 1, the cavity 12 is communicated with the other flushing pipeline of the toilet bowl 1, and water at an outlet end of the spray channel 21 is sprayed to the water seal. In this embodiment, a flushing pipeline of the toilet 1 is communicated with the cavity 12, and flushing water of the flushing pipeline flows into the jet channel 21 through the through hole 23 and is converged in the spray head 2 with flushing water of another flushing pipeline of the toilet 1, so that converged water can be more stably and reliably sprayed to the water seal, and the flushing function of the toilet 1 can be improved.
In this embodiment, the structures and principles of the remaining parts not described are consistent with the embodiment, and are not described herein again.
It is right by the aforesaid the utility model discloses a description can know, compares in prior art, the utility model discloses a closestool flushing device because the shower nozzle is fixed mounting in the front mounting hole and back mounting hole simultaneously, consequently, the installation location of shower nozzle is more reliable, ensures the angle unbiased of jet stream, and the washing effect is more stable, and simultaneously, water in the cavity flows in the shower nozzle through the through-flow hole and spouts to the water seal together with the water in the shower nozzle, can make two strands of rivers converge spun effect more reliable and more stable. In addition, the mode of leaving when current closestool production is all with the manual work to prick out and the closestool warp when firing can be bigger, if to the higher difficult completion of the axiality requirement in two holes, the utility model discloses a shower nozzle passes through flexible piece fixed mounting in preceding mounting hole, can make the easy dismouting of shower nozzle and the skewness of guaranteeing the shower nozzle little, can make again the utility model discloses require to reduce the axiality of preceding mounting hole and back mounting hole, thereby make the closestool easily makes the shaping.
The above embodiment is only used to further explain the utility model discloses a toilet flushing device, but the utility model discloses not be limited to the embodiment, all according to the utility model discloses a technical essence does any simple modification, equivalent change and modification to above embodiment, all fall into the technical scheme's of the utility model protection within range.

Claims (11)

1. A toilet flushing device, comprising:
the closestool is provided with a bedpan, water seal water for forming water seal is arranged at the bottom of the bedpan, a cavity is further arranged at the bottom of the bedpan, the cavity is provided with a front cavity wall and a rear cavity wall which are oppositely arranged, a front mounting hole is formed in the front cavity wall, a rear mounting hole is formed in the rear cavity wall, and the cavity is communicated with the water seal through the front mounting hole;
the shower nozzle, its fixed mounting in preceding mounting hole and sealed fixed mounting in the back mounting hole, the shower nozzle pass through flexible piece fixed mounting in preceding mounting hole, the lateral wall of shower nozzle be equipped with the through-flow hole of cavity intercommunication, the water of shower nozzle spout to the water seal.
2. The toilet flushing device of claim 1, wherein the flexible member is disposed outside the spray head and between the spray head and the wall of the front mounting hole.
3. The toilet flushing device of claim 2, wherein the flexible member is annular or C-shaped, and the flexible member is sleeved outside the spray head.
4. A toilet flushing device as claimed in claim 3, wherein the flexible member is a corrugated pad; or the cross section of the flexible part is O-shaped; or the cross section of the flexible part is T-shaped;
the flexible piece adopts PVC material or rubber material or nylon material or gauze material.
5. The toilet flushing device according to claim 1, wherein the nozzle is fixedly and sealingly mounted in the front mounting hole, the nozzle is sealingly engaged with the front mounting hole via the flexible member, and the flexible member is sleeved outside the nozzle and is located between the nozzle and the wall of the front mounting hole; or the flexible piece is in clearance fit with the outer wall of the spray head or the hole wall of the front mounting hole, so that an overflowing gap is formed between the outer wall of the spray head and the hole wall of the front mounting hole.
6. The toilet flushing device of claim 5, wherein the flexible member is a sealing corrugated gasket when the spray head is sealingly and fixedly mounted in the front mounting hole.
7. A toilet flushing device according to any one of claims 1 to 6, wherein the chamber is a water storage chamber, the shower head is provided with a jet channel and a flow increasing channel, the cross-sectional area of the inlet end of the flow increasing channel is larger than the cross-sectional area of the outlet end of the jet channel, the jet channel is communicated with a pressure source for providing pressure water, the water at the outlet end of the jet channel is jetted to the inlet end of the flow increasing channel, a flow increasing gap communicated with the water storage chamber is formed between the outlet end of the jet channel and the inlet end of the flow increasing channel, the flow increasing gap is communicated with the water storage chamber through the through hole, and the water of the flow increasing channel is jetted to the water seal.
8. The toilet flushing device according to claim 7, wherein the nozzle comprises an outer sleeve for connecting the injection channel and the flow-increasing channel, the outlet end of the injection channel and the inlet end of the flow-increasing channel are located in the outer sleeve, and the side wall of the outer sleeve is provided with the through-flow hole; the shower nozzle includes the injection main part and increases a class main part that link together through connection structure, the injection passageway with the outer tube all sets up on the injection main part, it sets up to increase a class passageway increase a class main part is last.
9. The toilet flushing device according to any one of claims 1 to 6, wherein the spray head is provided with a spray passage extending through both ends, the chamber is communicated with the spray passage through the through hole, the inlet end of the spray passage is communicated with one flushing pipeline of the toilet, the chamber is communicated with the other flushing pipeline of the toilet, and the water at the outlet end of the spray passage is sprayed to the water seal.
10. The toilet flushing device according to claim 7, wherein the toilet flushing device is not provided with a water tank with a working liquid level higher than the water seal liquid level, and after the toilet flushing device finishes flushing, the water flowing to the water seal at the bottom of the toilet bowl fills the water storage cavity.
11. A toilet flushing device as claimed in any one of claims 1 to 6 wherein the chamber wall of the chamber is of integral construction with the bowl.
CN202220232054.0U 2021-06-22 2022-01-27 Toilet flushing device Active CN217759139U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/079132 WO2022267527A1 (en) 2021-06-22 2022-03-03 Toilet flushing system having flow-increasing device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202121386668 2021-06-22
CN2021213866686 2021-06-22

Publications (1)

Publication Number Publication Date
CN217759139U true CN217759139U (en) 2022-11-08

Family

ID=83870033

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220232054.0U Active CN217759139U (en) 2021-06-22 2022-01-27 Toilet flushing device

Country Status (1)

Country Link
CN (1) CN217759139U (en)

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