CN108343130B

CN108343130B - Rotary water cleaning device for toilet bowl

Info

Publication number: CN108343130B
Application number: CN201810096495.0A
Authority: CN
Inventors: 王勇; 罗凯凯; 李�雨; 刘厚林; 王凯; 董亮; 谈明高
Original assignee: Jiangsu University
Current assignee: Jiangsu University
Priority date: 2018-01-31
Filing date: 2018-01-31
Publication date: 2020-02-21
Anticipated expiration: 2038-01-31
Also published as: CN108343130A

Abstract

The invention relates to a low-pressure small-flow water jet cleaning device, provides a rotary water cleaning device for a toilet bowl, and solves the problems of high water consumption and poor cleaning effect of a cleaning nozzle in the prior art. The device includes inlet tube, honeycomb duct and outlet pipe, and the honeycomb duct is including smooth straight tube section, undergauge pipeline section and the bend section of connecting in proper order, and the three side of undergauge pipeline section is parallel and level with the side of straight tube section, and the opposite side of undergauge pipeline section is sunken form, makes the cross-sectional area of undergauge pipeline section is along the direction from straight tube section to bend section, reduces gradually earlier the back and increases gradually, the cross section of undergauge pipeline section one end is the same with the cross section of straight tube section, and the cross section of the other end is the same with the cross section of. The invention can generate rotary jet flow well, uses a small amount of water to achieve the same cleaning purpose, and reduces the electric quantity required by heating water.

Description

Rotary water cleaning device for toilet bowl

Technical Field

The invention relates to a low-pressure small-flow water jet cleaning device, in particular to a rotary water cleaning device for a toilet bowl.

Background

At present, the water jet spraying technology is widely applied in the fields of cleaning, scouring and the like. Food processing cleaning, agricultural product cleaning, kitchen ware washing, environment cleaning washing and the like are mostly cleaned and washed by adopting low-pressure water jet. The washing and scouring quantity is large, the water consumption is large, and under the condition that water resources are increasingly precious, the development of a water-saving washing technology is of practical significance. The rotary water cleaning device is a cleaning technology with good cleaning effect and obvious water-saving effect under the condition of adopting low-pressure water jet.

Through search, the patent applications related to the invention are as follows: a rotary water outlet structure (publication number: CN203030424U) is invented and features that the water flow is used to drive blades to rotate to generate rotary water, resulting in high effect.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a rotary water cleaning device for a toilet bowl, which solves the problems of high water consumption and poor cleaning effect of a cleaning nozzle in the prior art.

The present invention achieves the above-described object by the following technical means.

A rotary water cleaning device for a toilet bowl comprises a water inlet pipe, a flow guide pipe and a water outlet pipe, wherein the flow guide pipe comprises a straight pipe section, a reducing pipe section and a bent pipe section which are smoothly connected in sequence, three side surfaces of the reducing pipe section are flush with the side surfaces of the straight pipe section, the other side surface of the reducing pipe section is in a concave shape, the cross section area of the reducing pipe section is gradually reduced and then gradually increased along the direction from the straight pipe section to the bent pipe section, the cross section of one end of the reducing pipe section is the same as that of the straight pipe section, the cross section of the other end of the reducing pipe section is the same as that of the bent pipe section, and the curvature radius of the bent;

the water inlet pipe is communicated with the straight pipe section;

the water outlet pipe is in a circular truncated cone shape, an inner cavity and an outer cavity which are coaxial are arranged in the water outlet pipe, the inner cavity is in a circular truncated cone shape, the top end and the bottom end of the water outlet pipe are communicated, the inner cavity is coaxial with the water outlet pipe, the outer cavity is arranged on the outer side of the inner cavity, the top of the outer cavity is sealed, the bottom of the outer cavity is open, a plurality of water inlet holes are formed in the middle of the outer wall of the inner cavity, the plurality of water inlet holes are evenly distributed along the circumferential direction, and the bottom ends of the inner.

Preferably, the number of the water inlet holes on the outer wall of the inner cavity is four.

Preferably, the radius of curvature of the pipe bend is 5.5 mm.

Preferably, the inner wall of the pipe bending section, which is on the same side as the recessed side wall of the reducing pipe section, is provided with a backflow baffle, and the top and the bottom of the backflow baffle are respectively connected with the top wall and the bottom wall of the pipe bending section.

Preferably, the lower half surface of the upper end of the water inlet pipe is communicated with the upper half surface of the straight pipe section.

Preferably, the cross section of the draft tube is square.

Preferably, the cross section of the straight pipe section is 4mm by 4mm square, the length of the straight pipe section is 6mm, the cross section of the bend pipe section is 4.5mm by 4.5mm square, and the length of the bend pipe section is 7 mm.

Preferably, the concave side surface of the reduced diameter pipe section is a curved surface with the curvature radius of 12mm, and the length of the reduced diameter pipe section is 4 mm.

The invention has the beneficial effects that:

1) according to the guide pipe and the water outlet pipe designed by the invention, the straight pipe section, the reducing pipe section and the bent pipe section are designed on the guide pipe, so that the rotary jet flow can be well generated, the same cleaning purpose can be achieved by using a small amount of water, and meanwhile, the electric quantity required by heating water is reduced. The wall of the inner cavity of the water outlet pipe is provided with the water inlet hole, so that the annular water flow can better flow to the inner cavity and can drive the annular water flow in the inner cavity to rotate.

2) The lower half surface of one end of the water inlet pipe is connected with the upper half surface of the straight pipe flow channel, so that the flow speed can be increased, and the direction of cleaning water can be changed, thereby facilitating the position layout of the water inlet pipe.

3) The inner side of the bent pipeline is arc-shaped, so that annular water flow can be generated, the annular water flow is restricted by the backflow baffle plate to flow to the inner cavity and the outer cavity of the water outlet pipe, and the annular water is sprayed out from the top of the inner cavity.

Drawings

FIG. 1 is a schematic view showing a structure of a rotary water washing apparatus for a toilet stool according to the present invention.

Fig. 2 is a schematic structural diagram of the water outlet pipe of the present invention.

Fig. 3 is a schematic view of the inner chamber and the water outlet hole according to the present invention.

Fig. 4 is a schematic structural view of the draft tube of the present invention.

In the figure:

1-water inlet pipe, 2-straight pipe section, 3-reducing pipe section, 4-reflux baffle, 5-bend pipe section, 6-inner cavity, 7-outer cavity and 8-water inlet hole.

Detailed Description

The invention will be further described with reference to the following figures and specific examples, but the scope of the invention is not limited thereto.

As shown in fig. 1, the rotary water cleaning device for a toilet bowl according to the present invention comprises a water inlet pipe 1, a flow guiding pipe and a water outlet pipe, as shown in fig. 4, the flow guiding pipe comprises a straight pipe section 2, a reducing pipe section 3 and a bent pipe section 5 which are smoothly connected in sequence, three side surfaces of the reducing pipe section 3 are flush with the side surface of the straight pipe section 2, and the other side surface of the reducing pipe section 3 is recessed, such that the cross-sectional area of the reducing pipe section 3 gradually decreases and then gradually increases along the direction from the straight pipe section 2 to the bent pipe section 5, the cross-sectional area of one end of the reducing pipe section 3 is the same as the cross-sectional area of the straight pipe section 2, and the cross-sectional area of the.

As shown in figure 1, the lower half surface of the upper end of the water inlet pipe 1 is communicated with the upper half surface of the straight pipe section 2, so that the flow rate can be increased, and the cleaning water direction can be changed, thereby facilitating the position layout of the water inlet pipe 1.

The inner side of the elbow section 5 is arc-shaped, and annular water flow can be generated.

As shown in fig. 2, the water outlet pipe is in a circular truncated cone shape, an inner cavity 6 and an outer cavity 7 which are coaxial are arranged in the water outlet pipe, and the inner cavity 6 is in a circular truncated cone shape, penetrates through the top end and the bottom end of the water outlet pipe and is coaxial with the water outlet pipe. The outer cavity 7 is arranged on the outer side of the inner cavity 6, the top of the outer cavity 7 is sealed, the bottom of the outer cavity 7 is opened, and the bottom ends of the inner cavity 6 and the outer cavity 7 of the water outlet pipe are communicated with the top of the elbow section 5. As shown in fig. 3, four water inlet holes 8 are formed in the middle of the outer wall of the inner cavity 6, and the four water inlet holes 8 are uniformly distributed along the circumferential direction. The cleaning water in the outer cavity 7 enters the inner cavity 6 obliquely upwards, so that the cleaning water in the inner cavity 6 is driven to rotate.

And a backflow baffle 4 is arranged on the inner wall of the pipe bending section 5, which is positioned on the same side with the sunken side wall of the reducing pipe section, and the top and the bottom of the backflow baffle 4 are respectively connected with the top wall and the bottom wall of the pipe bending section. The annular water flow is restricted by the backflow baffle 4 to flow to the outer cavity 7 and the inner cavity 6.

In this embodiment, the cross section of the straight pipe section 2 is 4mm by 4mm square, the length of the straight pipe section 2 is 6mm, the cross section of the bend pipe section 5 is 4.5mm by 4.5mm square, the length of the bend pipe section 5 is 7mm, the curvature radius is 4-6 mm, and the curvature radius of the bend pipe section 5 in this embodiment is 5.5 mm; the side surface of the reducing pipe section 3 which is concave is a curved surface with the curvature radius of 12mm, and the length of the reducing pipe section 3 is 4 mm. The height of the inner cavity 6 is 9mm, and the height of the outer cavity is 12 mm. The size of the reflux baffle is 2mm in length, 4mm in height and 0.8mm in thickness.

The present invention is not limited to the above-described embodiments, and any obvious improvements, substitutions or modifications can be made by those skilled in the art without departing from the spirit of the present invention.

Claims

1. The rotary water cleaning device for the toilet bowl is characterized by comprising a water inlet pipe (1), a flow guide pipe and a water outlet pipe, wherein the flow guide pipe comprises a straight pipe section (2), a reducing pipe section (3) and a bent pipe section (5) which are sequentially and smoothly connected, three side surfaces of the reducing pipe section (3) are flush with the side surfaces of the straight pipe section (2), the other side surface of the reducing pipe section (3) is concave, so that the cross section area of the reducing pipe section (3) is gradually reduced and then gradually increased along the direction from the straight pipe section (2) to the bent pipe section (5), the cross section of one end of the reducing pipe section (3) is the same as that of the straight pipe section (2), the cross section of the other end of the reducing pipe section is the same as that of the bent pipe section (5), and the curvature radius of the bent pipe section (5) is 4-6;

a backflow baffle (4) is arranged on the inner wall of the bent pipe section (5) on the same side as the concave side wall of the reducing pipe section, and the top and the bottom of the backflow baffle (4) are respectively connected with the top wall and the bottom wall of the bent pipe section;

the water inlet pipe (1) is communicated with the straight pipe section (2);

the water outlet pipe is in a circular truncated cone shape, an inner cavity (6) and an outer cavity (7) which are coaxial are arranged in the water outlet pipe, the inner cavity (6) is in a circular truncated cone shape, the top end and the bottom end of the water outlet pipe are communicated, the inner cavity is coaxial with the water outlet pipe, the outer cavity (7) is arranged on the outer side of the inner cavity (6), the top of the outer cavity (7) is sealed, the bottom of the outer cavity is opened, a plurality of water inlet holes (8) are formed in the middle position of the outer wall of the inner cavity (6), the water inlet holes (8) are evenly distributed along the circumferential direction, and the bottom ends of the inner cavity (6) and the outer cavity (7.

2. The rotary water washing apparatus for toilets according to claim 1, characterised in that the number of water inlet holes (8) on the outer wall of the inner chamber (6) is four.

3. The rotary water washing apparatus for toilets according to claim 1, characterised in that the radius of curvature of the pipe bend (5) is 5.5 mm.

4. The rotary water washing apparatus for toilets according to claim 1, characterised in that the lower half of the upper end of the water inlet pipe (1) communicates with the upper half of the straight pipe section (2).

5. The rotary water washing apparatus for a toilet bowl according to claim 1, wherein the cross-section of the draft tube is square.

6. The rotary water washing apparatus for toilets according to claim 5, characterised in that the cross section of the straight pipe section (2) is 4mm square, the length of the straight pipe section (2) is 6mm, the cross section of the bend pipe section (5) is 4.5mm square, and the length of the bend pipe section (5) is 7 mm.

7. The rotary water washing apparatus for toilets according to claim 6, characterised in that the concave side of the reduced diameter pipe section (3) is a curved surface with a radius of curvature of 12mm, the length of the reduced diameter pipe section (3) being 4 mm.