CN212294942U

CN212294942U - Toilet flushing nozzle with venturi effect

Info

Publication number: CN212294942U
Application number: CN202021791830.8U
Authority: CN
Inventors: 叶富生; 汤易聪
Original assignee: Xiamen Deahenv Sanitary Ware Technology Co ltd
Current assignee: Xiamen Deahenv Sanitary Ware Technology Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-01-05
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a toilet bowl with venturi effect erodees shower nozzle still installs a venturi in the space that end cover and sleeve pipe are connected intakes, and this venturi's the end of intaking link up with the end cover of intaking each other, and venturi's play water end exposes the sleeve pipe outermost end, the utility model discloses can utilize the water in water seal groove, the negative pressure suction that will flow into the water in water seal groove through venturi formation joins with the pressure water after accelerating and forms the convergent flow water, and the flow rate of converging water this moment is not only great, and the water yield increases, and rivers strike the face grow, can be with the more clean of excrement erodeing, utilized the water yield of water seal water, improved the utilization ratio of water when erodeing.

Description

Toilet flushing nozzle with venturi effect

Technical Field

The utility model relates to a toilet bowl among the bathroom field especially relates to a toilet bowl with venturi effect erodees shower nozzle.

Background

The toilet bowl is a main sanitary tool for a toilet and is divided into a direct flushing type toilet bowl and a siphon type toilet bowl according to a flushing principle, in the direct flushing type toilet bowl, pressure water enters a spray head inner cavity and is sprayed out from a nozzle with a sudden change of a through-flow section to form a jet flushing water flow to a drain outlet in the opposite direction of the side wall of a water seal groove at the bottom of the toilet bowl, the through-flow section is reduced by the sudden change of the spray head, so that the flow speed and the impulse of the water flow sprayed by the spray head are increased, the resistance coefficient of the through-flow section reduced by the sudden change of the spray head to downward flushing is large, the energy loss of the pressure water is large when the spray head outputs in a flowing manner, under the condition that the flowing pressure in the toilet bowl is lower than 0.1Mpa, the pressure of the water cannot be fully exerted, and because the nozzle is small, the section of a sprayed water column is small, so, therefore, the sewage discharge effect of the toilet bowl is poor, the condition that the toilet bowl cannot be washed cleanly can occur, and the popularization and the application of the direct-flushing type toilet bowl are limited.

Disclosure of Invention

In order to solve the technical problem, improve the utilization ratio of pressure energy in the water pressure, the utility model provides a brand-new shower nozzle structure and pressure boost mode.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a toilet flushing head with venturi effect that is mounted on the water-tight trough side wall of a toilet and can be flushed towards a drain outlet, comprising: the water inlet end cover is connected with the inner side end of the sleeve;

a venturi tube is further installed in the space where the water inlet end cover is connected with the sleeve, the water inlet end of the venturi tube is communicated with the water inlet end cover, and the water outlet end of the venturi tube is exposed out of the outermost end of the sleeve;

when the Venturi tube works, negative pressure is generated between the outer wall of the Venturi tube and the inner wall of the sleeve, so that water between the outer wall of the Venturi tube and the inner wall of the sleeve is sucked into the Venturi tube to be converged and sprayed out.

According to one implementation mode, the Venturi tube comprises a booster pipe, one end of the booster pipe is connected with the water outlet end of the water inlet end cover, the other end of the booster pipe is inserted into the water inlet end of the expansion pipe and matched with the water inlet end of the expansion pipe at intervals, the expansion pipe is sleeved in the sleeve, and the outer wall of the expansion pipe and the inner wall of the sleeve form a water passing channel.

According to an embodiment, the outlet end of the expansion nozzle protrudes beyond the sleeve port.

According to one embodiment, the sleeve is connected to a ceramic mounting hole by means of a fastening nut, said ceramic mounting hole being provided in a side wall of a water-tight trough in the bottom of the bowl of the toilet.

According to an implementation mode, the pressure increasing pipe is a section gradual-changing structure formed by combining a similar circular truncated cone and a cylindrical barrel.

According to an embodiment, the end of the inner hole wall of the sleeve close to the venturi tube is of an arc structure with a curved surface facing inwards.

The utility model relates to a toilet bowl with venturi effect erodees shower nozzle, reasonable in design, functional strong has following beneficial effect:

1. the utility model discloses an enlarged the water inlet of pressurized water, the water resistance when reducing pressurized water and intaking, the cross-section gradual change design through the pressure-increasing pipe reduces the flow path after intaking simultaneously, and the increase velocity of flow, two manage together, both reduced the flow resistance and promoted the velocity of flow, accord with the pressure boost effect of pressurized water under the low pressure very much, originally can not produce the siphon with the stool pot under the condition pressure boost form the effect of siphon, and use better under the high pressure bath environment.

2. The utility model discloses can converge the negative pressure suction that the water that flows into the water seal tank formed through venturi and the pressure water after accelerating and form the water that converges, the water that converges at this moment not only the velocity of flow is great, and the water yield increases, and rivers impact surface grow can be with the cleaner that the excrement erodees, has utilized the water yield of water seal, has improved the utilization ratio of water when erodeing.

Drawings

Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of the embodiments of the invention when taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural view of a toilet bowl flushing nozzle with venturi effect of the present invention.

Fig. 2 is a schematic structural view of the toilet bowl with venturi effect when the flushing nozzle of the present invention is assembled.

Fig. 3 is a schematic structural view of a half section of the expansion pipe of the present invention.

Fig. 4 is a schematic structural view of the toilet bowl flushing nozzle with venturi effect of the present invention installed inside the toilet bowl.

Fig. 5 is a schematic structural view of the toilet bowl with venturi effect of the present invention, which is installed in the toilet bowl at the rear view.

Fig. 6 is a schematic structural view of the water flow trend of the present invention.

Fig. 7 is the structural schematic diagram of the integrated formation of the pressure increasing pipe and the water inlet end cover, the expansion pipe and the sleeve pipe.

The attached drawings indicate the following: 0. a water inlet end cover; 1. a venturi tube; 3. a sleeve; 10. a pressure increasing pipe; 11. a spray pipe is expanded; 101. a ceramic mounting hole; 204. and (5) fixing the nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Example 1 is as follows:

as shown in fig. 1 to 7, the utility model provides a toilet bowl with venturi effect erodees shower nozzle, and it is installed at the water seal groove lateral wall of toilet bowl and can wash towards the drain spary, include: the water inlet end cover 0 is used for allowing pressure water to flow in and the sleeve 3 is arranged on the side wall of the water seal tank, and the water inlet end cover 0 is connected with the inner side end of the sleeve 3;

a Venturi tube 1 is also arranged in the space where the water inlet end cover 0 is connected with the sleeve 3, the water inlet end of the Venturi tube 1 is communicated with the water inlet end cover 0, and the water outlet end of the Venturi tube 1 is exposed out of the outermost end of the sleeve 3;

venturi 1 produces the negative pressure between venturi 1's outer wall and sleeve pipe 3 inner wall at the during operation, makes the water between venturi 1 outer wall and the sleeve pipe 3 inner wall inhale Venturi 1 and converge the blowout.

As shown in fig. 1, the venturi tube 1 includes a pressure increasing pipe 10, one end of the pressure increasing pipe 10 is connected with the water outlet end of the water inlet end cover 0, the other end of the pressure increasing pipe 10 is inserted into the water inlet end of the expansion pipe 11 and is in spaced fit, the expansion pipe 11 is sleeved in the casing 3, the outer wall of the expansion pipe 11 and the inner wall of the casing 3 form a water passage, the negative pressure suction part in the venturi tube 1 is a space fit part between the water outlet end of the pressure increasing pipe 10 and the water inlet end of the expansion pipe 11 at the periphery thereof, the expansion pipe 11 of the venturi tube 1 and the pressure increasing pipe 10 are inserted and connected into the casing 3 and then locked and fixed by the water inlet end cover 0, so as to realize the assembly connection of the.

As shown in fig. 1 and fig. 3, the port of the protruding sleeve 3 at the water outlet end of the expansion pipe 11 is convenient for the water-sealed water to have enough space to flow into the venturi tube 1, and has certain kinetic energy when flowing in, so that the water amount is increased, the kinetic energy of the water-sealed water is also increased, and the mutual interference between the water spray column outside the venturi tube 1 and the return water outside the sleeve 3 can be avoided.

As shown in fig. 4, the sleeve 3 is connected with the ceramic mounting hole 101 through a fixing nut 204, the ceramic mounting hole 101 is opened on the side wall of the water seal groove at the bottom of the urinal of the toilet bowl, and not only the threaded connection but also other ways such as glue bonding can be used, and other fixing ways in the field can be used with the fixing nut 204.

As shown in fig. 2, the pressure increasing pipe 10 is a cross section gradual-changing structure formed by combining a circular truncated cone-like table and a cylindrical barrel, and the changing type cross section is a gradual-changing interface, so that the resistance on impacting a water inlet when pressure water flows is reduced, and the flow rate of the pressure water can be increased by the gradually-reduced caliber.

As shown in fig. 6, one end of the inner hole wall of the sleeve 3 close to the venturi tube 1 is an arc-shaped structure with an inward curved surface, which not only strengthens the internal structure of the sleeve 3 and improves stability, but also can guide the direction of the converging water and move along the flowing direction of the converging water to improve the impact force of the converging water.

When the toilet needs to be flushed, pressure water is enabled to flow in through the water inlet end cover 0, the caliber of the water inlet end cover 0 is large, the water loss of the pressure water A when water enters can be reduced, the flow rate can be improved after the pressure water A enters the gradual change section of the pressure increasing pipe 10, the pressure water A after the flow rate is improved can form a negative pressure suction part in a spacing cavity formed by the pressure increasing pipe 10 and the expansion pipe 11, the formed negative pressure can suck water in a water seal groove through a gap between the expansion pipe 11 and the sleeve pipe 3, the sucked water seal water B is mixed with the pressure water A through the spacing cavity with certain kinetic energy to form confluent water C which is sprayed out of the expansion pipe 11, the kinetic energy of the sprayed flushing water is larger, the water volume is more, the spraying surface is wider, the water in the water seal is fully utilized, and the water is more fully utilized.

Example 2 is as follows:

on the basis of embodiment 1, as shown in fig. 7, the booster pipe 10 in the venturi pipe 1 can be connected with the water inlet end cover 0 in an integrated manner, the expansion pipe 11 in the venturi pipe 10 is connected with the inner wall of the sleeve 3 at intervals in an integrated manner, so that a venturi effect cavity can be formed, the same effect as that of embodiment 1 is achieved, the integrated structure is simpler, the assembly is easier, the injection molding difficulty of the product is reduced, and the production cost is reduced.

This patent adopts multiple shaping mode, under the prerequisite of this technique, adopts the structure of other mode equipment and connection all to belong to within the scope of protection of this patent.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A toilet flushing head with venturi effect that is mounted on the water-tight trough side wall of a toilet and can be flushed towards a drain outlet, comprising: a water inlet end cover (0) for the inflow of pressure water and a sleeve (3) arranged on the side wall of the water seal tank, wherein the water inlet end cover (0) is connected with the inner side end of the sleeve (3), and the water seal tank is characterized in that:

a Venturi tube (1) is further arranged in a space where the water inlet end cover (0) is connected with the sleeve (3), the water inlet end of the Venturi tube (1) is communicated with the water inlet end cover (0), and the water outlet end of the Venturi tube (1) is exposed out of the outermost end of the sleeve (3);

when the Venturi tube (1) works, negative pressure is generated between the outer wall of the Venturi tube (1) and the inner wall of the sleeve (3), so that water between the outer wall of the Venturi tube (1) and the inner wall of the sleeve (3) is sucked into the Venturi tube (1) to be converged and sprayed out.

2. A venturi-effect toilet bowl flush head according to claim 1, wherein: venturi (1) is including pressure boost pipe (10), and the one end of pressure boost pipe (10) links together with the water outlet end of intaking end cover (0), pressure boost pipe (10) other end inserts diffusion pipe (11) end and the interval cooperation of intaking, diffusion pipe (11) suit is in sleeve pipe (3) and diffusion pipe (11) outer wall and sleeve pipe (3) inner wall form water passing channel.

3. A venturi-effect toilet bowl flush head according to claim 2, wherein: the water outlet end of the expansion pipe (11) protrudes out of the port of the sleeve (3).

4. A venturi-effect toilet bowl flush head according to claim 1, wherein: the sleeve (3) is connected with the ceramic mounting hole (101) through a fixing nut (204), and the ceramic mounting hole (101) is formed in the side wall of a water seal groove in the bottom of a toilet bowl of the toilet.

5. A venturi-effect toilet bowl flush head according to claim 2, wherein: the booster pipe (10) is of a section gradual-change structure formed by combining a similar round table and a cylindrical barrel.

6. A venturi-effect toilet bowl flush head according to claim 2, wherein: one end of the inner side hole wall of the sleeve (3) close to the Venturi tube (1) is of an arc structure with an inward curved surface.