Horizontal siphon type pedestal pan

Abstract

The invention discloses a horizontal siphon type pedestal pan which comprises a blow-off pipeline and a basin part, the blow-off pipeline comprises an ascending section, a bent section, a descending section and a blow-off section which are sequentially connected in the blow-off direction, a blow-off opening is formed in the tail end of the blow-off section, the axis of the blow-off opening is in the horizontal direction, and the blow-off section is in a bent pipe shape so as to be connected with the descending section and the blow-off opening. A protruding part extending forwards is arranged at the lower end of the inner wall of the rear side of the descending section. The protruding part is arranged on the rear wall of the descending section, when water flow enters the descending section through the bent section, the water flow collides with the protruding part, the water flow is dispersed, a water curtain capable of isolating air is formed in the blow-off section, external air cannot enter the blow-off pipeline from the blow-off opening, at the moment, a negative-pressure space can be generated in the bent section, and the blow-off effect is achieved. Therefore, siphonage is generated, and residual water flow and dirt are all sucked into the blow-off pipeline and discharged from the blow-off port.

Description

Technical Field

[0001] The present invention relates to the technical field of toilets, and particularly to a horizontal siphon toilet. Background Art

[0002] Existing toilets are mainly divided into two types: bottom sewage discharge and horizontal sewage discharge. The connecting pipe for horizontal sewage discharge is located inside the wall, and the connecting pipe for bottom sewage discharge is located on the ground. Currently, most siphon toilets adopt the bottom sewage discharge method, and most toilets with a horizontal sewage discharge structure flush by the flushing method. The flushing method uses the impact force of water flow to discharge dirt. Generally, the rear wall of the tank is relatively steep, and the weight of the water flow can flush the dirt in the tank tip into the pipeline and discharge it. Compared with the siphon type, the flushing method has a series of problems such as large flushing noise, high water consumption, and easy splashing of water. Therefore, siphon toilets are more popular with customers than flushing toilets in the market. However, most siphon toilets have a bottom discharge structure and cannot meet the needs of wall drainage for some installation floors at home and abroad.

[0003] For existing wall-mounted horizontal siphon toilets, the sewage pipeline is straight up and down, the negative pressure in the pipeline is small, and the height difference between the sewage inlet and the sewage outlet is small. The start time of siphon is late and the duration is short, resulting in poor sewage discharge capacity. Summary of the Invention

[0004] The present invention aims to solve at least one of the above technical problems in the related art to some extent. For this purpose, the present invention provides a horizontal siphon toilet, which is installed in a floor-standing manner, can be applicable to wall drainage, and can achieve a strong siphon sewage discharge effect.

[0005] To achieve the above object, the technical solution of the present invention is as follows:

[0006] The horizontal siphon toilet according to an embodiment of the present invention includes a sewage pipeline and a basin part. The sewage pipeline includes an ascending section, a bending section, a descending section, and a sewage discharge section connected in sequence along the sewage discharge direction. The end of the sewage discharge section is provided with a sewage outlet, the axis of the sewage outlet is in the horizontal direction, the sewage discharge section is in a bent pipe shape to connect the descending section and the sewage outlet, and the lower end of the inner wall at the rear side of the descending section has a protruding part extending forward.

[0007] The horizontal siphon toilet according to an embodiment of the present invention has at least the following beneficial effects:

[0008] In the present invention, a protruding part is provided on the rear wall of the descending section. When the water flow passes through the bending section and enters the descending section, the water flow collides with the protruding part, causing the water flow to disperse, forming a water curtain that can isolate air in the sewage discharge section. External air cannot enter the sewage pipeline from the sewage outlet. At this time, a negative pressure space will be generated in the bending section, thereby generating a siphon phenomenon. The remaining water flow and dirt are all sucked into the sewage pipeline and discharged from the sewage outlet.

[0009] According to some embodiments of the present invention, the horizontal length d that the protruding portion extends forward relative to the rear inner wall of the descending section is 12 mm - 17 mm.

[0010] According to some embodiments of the present invention, the protruding portion is a convex arc surface, which is smoothly transitioned with the rear inner wall of the descending section through an inclined surface, and the included angle β between the inclined surface and the horizontal plane is 60° - 70°.

[0011] According to some embodiments of the present invention, the cross-section of the bending section has an upper arc section, a lower arc section, and a transition arc section connecting the upper arc section and the lower arc section. The upper arc section is located in the upper half of the bending section, the lower arc section is located in the lower half of the bending section, the ratio of the radius R1 of the lower arc section to the radius R2 of the upper arc section is greater than 2:1, the ratio of the chord length L1 of the lower arc section to the chord length L2 of the upper arc section is (0.7 - 1):1, the upper end and the lower end of the transition arc section are respectively and smoothly transitionally connected to the upper arc section and the lower arc section, and the ratio of the length of the longitudinal axis L3 to the length of the transverse axis L4 of the cross-section of the bending section is 1 ± 0.2.

[0012] According to some embodiments of the present invention, the ratio of the radius R1 of the lower arc section to the radius R2 of the upper arc section is (3 - 6):1.

[0013] According to some embodiments of the present invention, the ratio of the transverse axis L4 to the chord length L2 is 1:(0.9 - 1).

[0014] According to some embodiments of the present invention, it further includes a support rib plate, the upper end of the support rib plate is connected to the sewage pipe, and the lower end extends downward to the bottom of the toilet body.

[0015] According to some embodiments of the present invention, it further includes a dirt accumulation portion, the dirt accumulation portion is located at the lower end of the basin portion, the front end of the ascending section is a sewage inlet, the dirt accumulation portion communicates with the basin portion and the sewage inlet, the front wall of the dirt accumulation portion is provided with a spray hole, the spray hole is opposite to the position of the sewage inlet, the front end of the bottom wall of the dirt accumulation portion is higher than the rear end, and the front end and the rear end of the bottom wall are smoothly transitioned through a slope section, and the rear end of the bottom wall of the dirt accumulation portion is smoothly transitionally connected to the sewage inlet.

[0016] According to some embodiments of the present invention, the spraying water flow direction of the spray hole is consistent with the slope of the slope section.

[0017] According to some embodiments of the present invention, the slope α of the slope section relative to the horizontal plane is 10° ± 2°.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present invention. Brief Description of the Drawings

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and be readily understood from the following description of embodiments in conjunction with the accompanying drawings, in which:

[0020] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 is a schematic diagram of the structure of the sewage discharge pipe of the present invention;

[0022] Figure 3 is Figure 2 a cross-sectional view taken along line A-A in;

[0023] Figure 4 is Figure 2 a cross-sectional view taken along line B-B in;

[0024] Figure 5 is a cross-sectional view of the bent section of the present invention;

[0025] Figure 6 is a water flow direction diagram of the sewage discharge pipe of the present invention.

[0026] Reference numerals: sewage discharge pipe 100, rising section 110, sewage inlet 111, bent section 120, upper arc section 121, lower arc section 122, transition arc section 123, descending section 130, protruding part 131, inclined surface 132, sewage discharge section 140, sewage outlet 141, basin part 200, support rib plate 300, sewage accumulation part 400, injection hole 410, slope section 420. Detailed Description of the Embodiments

[0027] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0028] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "vertical", "horizontal", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

[0029] Refer to Figures 1-6, a horizontal siphon toilet, comprising a sewage discharge pipe 100 and a basin part 200. The sewage discharge pipe 100 includes an ascending section 110, a bent section 120, a descending section 130, and a sewage discharge section 140 connected in sequence along the sewage discharge direction. The end of the sewage discharge section 140 is provided with a sewage discharge port 141, the axis of the sewage discharge port 141 is in the horizontal direction, the sewage discharge section 140 is in a bent pipe shape to connect the descending section 130 and the sewage discharge port 141, and the lower end of the inner wall at the rear side of the descending section 130 has a protruding portion 131 extending forward.

[0030] Working principle: When water flows through the bent section 120 and enters the descending section 130, the water collides with the protruding portion 131, causing the water flow to disperse, forming a water curtain that can isolate air in the sewage discharge section 140. External air cannot enter the sewage discharge pipe 100 from the sewage discharge port 141. At this time, a negative pressure space will be generated in the bent section 120, thus generating a siphon phenomenon. The remaining water flow and dirt are all sucked into the sewage discharge pipe 100 and discharged from the sewage discharge port 141.

[0031] In some embodiments of the present invention, the horizontal length d of the protruding portion 131 extending forward relative to the inner wall at the rear side of the descending section 130 is 12 mm - 17 mm. The horizontal length d of the protruding portion 131 extending forward should not be too large or too small. If it is too large, the collision of the water flow passing through the protruding portion 131 to disperse the water flow cannot meet the expected requirements, and the water flow entering the sewage discharge section 140 is a dispersed water flow rather than a water curtain-like water flow. If it is too small, the water flow will directly enter the sewage discharge section 140 without colliding as expected when passing through the protruding portion 131, resulting in the pipeline being unable to generate a siphon effect. Therefore, preferably, the horizontal length d extending forward is designed to be 12 mm - 17 mm, which can make the water flow produce the expected effect when flowing through the protruding portion 131, thus being beneficial to quickly starting the siphon action of the sewage discharge pipe 100.

[0032] In some embodiments of the present invention, the protruding portion 131 is a convex arc surface, and it is smoothly transitioned with the inner wall at the rear side of the descending section 130 through an inclined surface 132. The included angle β between the inclined surface 132 and the horizontal plane is 60° - 70°. The slope of the inclined surface 132 should not be too large or too small. If the included angle β is too large, the drop between the protruding portion 131 and the rear wall of the descending section 130 is insufficient, resulting in insufficient collision force, and the water flow cannot be dispersed as expected, making it difficult to form a water curtain that isolates air, and the siphon effect is affected. If the included angle β is too small, the drop between the protruding portion 131 and the rear wall of the descending section 130 is too large, and the direction of the water flow impacting the protruding portion 131 will deviate from the expected direction, which may cause the water flow to rebound violently or disperse unevenly, and also cannot form an ideal water curtain, ultimately resulting in the siphon action being difficult to start smoothly. The included angle β is 60° - 70°, and this angle range can make the water flow smoothly transition along the inclined surface 132 to the convex arc surface, ensuring that the water flow effectively collides with the protruding portion 131, promoting the water flow to disperse evenly to form a water curtain, creating conditions for the generation of the siphon phenomenon.

[0033] In some embodiments of the present invention, as Figures 3-5 shown, the cross-section of the bending section 120 has an upper arc section 121, a lower arc section 122, and a transition arc section 123 connecting the upper arc section 121 and the lower arc section 122. The upper arc section 121 is located in the upper half of the bending section 120, and the lower arc section 122 is located in the lower half of the bending section 120. The ratio of the radius R1 of the lower arc section 122 to the radius R2 of the upper arc section 121 is greater than 2:1. The ratio of the chord length L1 of the lower arc section 122 to the chord length L2 of the upper arc section 121 is (0.7-1):1. The upper and lower ends of the transition arc section 123 are smoothly and transitionally connected to the upper arc section 121 and the lower arc section 122 respectively. The ratio of the length of the longitudinal axis L3 to the length of the transverse axis L4 of the cross-section of the bending section 120 is 1±0.2. The bending section 120 is at the highest point of the sewage pipe 100. Among them, the transverse axis is the axis passing through the center of the bending section 120 in the horizontal direction, and the longitudinal axis is the axis passing through the center of the bending section 120 in the vertical direction. The two ends of the longitudinal axis are respectively the midpoints of the upper arc section 121 and the lower arc section 122. The arc radius of the cross-section of the ascending section 110 and the descending section 130 is smaller than the radius of the lower arc section 122 of the bending section 120.

[0034] In the prior art, the cross-sectional area of the siphon pipe is nearly circular, that is, the curvature at each point is almost the same. When the siphon pipe is working, the speed and impact force of the dirt and water flow passing through the bending section 120 are both key factors in the siphon ability of the pipe. Only when the dirt and water flow can instantaneously rush through the bending section 120 and smoothly enter the descending section 130 can the siphon effect of the pipe be truly reflected. When the dirt enters the bending section 120, the water flow is affected by the gravity during the impact process and is more concentrated in the lower half of the pipe. Therefore, when the dirt is stacked higher, the water flow impact forces on the dirt at the higher position and the lower position are different. The dirt at the bottom is subjected to a greater force and is easier to be pushed, while the dirt at the higher position is subjected to a smaller force and instead hinders the flow of the dirt. The bending section 120 of the present invention is designed with a lower arc section 122 having a smaller curvature (i.e., a larger radius). When the actual dirt enters the bending section 120, the larger the radius of the lower arc section 122, the smaller the stacking height of the dirt, the more concentrated the water flow impact force, the smaller the hindrance, and the easier it is to be flushed into the descending section 130. Specifically, the main functions of the dirt inlet 111 and the ascending section 110 are dirt accumulation and serving as a transition section for entering the bending section 120. At the dirt inlet 111, the water flow fills the dirt inlet 111. When the water flow rushes out from the flushing end of the toilet and the injection holes 410, the water flow impact forces at each part of the dirt inlet 111 are the same. Therefore, the higher the dirt is stacked, the easier it is to rush into the ascending section 110. When the water flow climbs upward from the ascending section 110 to the bending section 120 and is affected by the gravity, the water flow is more concentrated in the lower part. Therefore, according to the characteristics of the water flow, the lower arc section 122 is designed to have a more gentle and larger radius structure. The dirt is concentrated at the lower end of the pipe in this section, the stacking height of the dirt is reduced, and the water flow impact force can better push the dirt out of the bending section 120. In addition, since the stacking height of the dirt in the bending section 120 is reduced, the climbing height that the dirt passes through from the ascending section 110 to the bending section 120 is decreased, and the gravity hindrance is reduced, which is more conducive to the dirt being flushed out. The bending section 120 of the siphon pipe is a place where dirt is easily stuck. The bending section 120 of the present invention is a modified shape based on a circle, with the lower half being gentle and the upper half being a dome. It not only retains the bearing capacity of the circular pipe during the firing process, but also the cross-sectional area of the bending section 120 is larger than that of other parts of the sewage pipe 100 (such as the ascending section 110 and the descending section 130), further reducing the probability of dirt being stuck in the bending section 120. In addition, the upper-narrow and lower-wide cross-sectional structure adapts to the gravity action when the water flow climbs, making the water flow more concentrated in the lower half, enhancing the impact force of the lower half, and reducing the dirt stacking.

[0035] In some embodiments of the present invention, the ratio of the radius R1 of the lower arc section 122 to the radius R2 of the upper arc section 121 is (3 - 6):1.

[0036] In some embodiments of the present invention, the ratio of the horizontal axis L4 to the chord length L2 is 1:(0.9 - 1). The horizontal axis L4 is slightly greater than or equal to the chord length L2. When the ratio of the horizontal axis L4 to the chord length L2 is 1:1, the horizontal axis L4 coincides with the chord length L2, that is, the upper arc segment 121 is a semi-circle.

[0037] In some embodiments of the present invention, it further includes a support rib plate 300. The upper end of the support rib plate 300 is connected to the sewage discharge pipe 100, and the lower end extends downward to the bottom of the toilet body. The support rib plate 300 connects the sewage discharge pipe 100 and the base of the toilet body. The support rib plate 300 can effectively support the sewage discharge pipe 100, ensuring that the sewage discharge pipe 100 will not deform during the dry blank and firing and vitrification stages, and guaranteeing the pipe function.

[0038] In some embodiments of the present invention, it further includes a dirt accumulation part 400. The dirt accumulation part 400 is located at the lower end of the basin part 200. The front end of the rising section 110 is the sewage inlet 111. The dirt accumulation part 400 communicates with the basin part 200 and the sewage inlet 111. The front wall of the dirt accumulation part 400 is provided with a spray hole 410. The spray hole 410 is opposite to the position of the sewage inlet 111. The front end of the bottom wall of the dirt accumulation part 400 is higher than the rear end. The front end and the rear end of this bottom wall are smoothly transitioned through a slope section 420. The rear end of the bottom wall of the dirt accumulation part 400 is smoothly transitionally connected to the sewage inlet 111. The center of the sewage outlet 141 is lower than the center of the sewage inlet 111. The spray hole 410 is close to the bottom wall of the dirt accumulation part 400. When starting to work, the basin part 200 forms a swirling water flow into the dirt accumulation part 400. At the same time, the water flow sprayed from the spray hole 410 flushes the water flow and dirt in the dirt accumulation part 400 into the sewage inlet 111. Under the action of the swirling impact force of the swirling water flow in the basin part 200 and the impact force of the sprayed water flow, as well as the design of the slope section 420 of the bottom wall of the dirt accumulation part 400, the water flow can easily pass through the rising section 110 to reach the bending section 120.

[0039] In some embodiments of the present invention, the spraying direction of the sprayed water flow of the spray hole 410 is consistent with the slope of the slope section 420. The spray hole 410 is drilled obliquely, and a sprayed water flow consistent with the slope of the slope section 420 can be ejected. In this way, the sprayed water flow will not hit the rising section 110 or the bottom wall of the dirt accumulation part 400, but directly acts on the dirt.

[0040] In some embodiments of the present invention, the slope α of the slope section 420 with respect to the horizontal plane is 10° ± 2°. A slope of about 10° for the slope section 420 is beneficial for pushing dirt from the dirt accumulation part 400 into the sewage discharge pipe. This slope should not be too large or too small. If it is too large, when the dirt falls to the dirt accumulation part 400, it will directly slide into and concentrate at the sewage inlet 111, resulting in a smaller angle between the bottom wall of the dirt accumulation part 400 and the inclined surface 132 of the rising section 110. During flushing, the direction of the jet water flow is consistent with the slope of the slope section 420, while the dirt in the rising section 110 is concentrated, and the dirt and water flow cannot be smoothly pushed towards the bent section 120. If it is too small, the bottom wall of the dirt accumulation part 400 will not have a sliding assistance effect on the dirt. Therefore, preferably, the slope α is set to about 10°, which can make the dirt and water flow reach the top of the sewage discharge pipe 100 more easily.

[0041] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A horizontal siphon toilet, characterized in that: The invention comprises a sewage discharge pipe (100) and a basin (200), wherein the sewage discharge pipe (100) comprises an ascending section (110), a curved section (120), a descending section (130) and a sewage discharge section (140) which are sequentially connected along the sewage discharge direction, a sewage discharge outlet (141) is provided at the end of the sewage discharge section (140), the axis of the sewage discharge outlet (141) is along the horizontal direction, the sewage discharge section (140) is in the shape of a curved pipe to connect the descending section (130) and the sewage discharge outlet (141), and the lower end of the rear inner wall of the descending section (130) has a protruding portion (131) extending forward.

2. The horizontal siphon toilet according to claim 1, characterized in that: The horizontal length d of the protrusion (131) extending forward relative to the rear inner wall of the descending section (130) is 12 mm to 17 mm.

3. The horizontal siphon toilet according to claim 2, characterized in that: The protruding portion (131) is a convex arc surface, and smoothly transitions with the rear inner wall of the descending section (130) via an inclined surface (132), and the angle β between the inclined surface (132) and the horizontal plane is 60°-70°.

4. The horizontal siphon toilet according to claim 1, characterized in that: The cross section of the curved section (120) comprises an upper arc section (121), a lower arc section (122) and a transition arc section (123) connecting the upper arc section (121) and the lower arc section (122); the upper arc section (121) is located in the upper half of the curved section (120); the lower arc section (122) is located in the lower half of the curved section (120); the radius R1 of the lower arc section (122) is the same as the radius R2 of the upper arc section (121). The ratio of the radius R2 of the segment (121) is greater than 2:1, the ratio of the chord length L1 of the lower arc segment (122) to the chord length L2 of the upper arc segment (121) is (0.7-1):1, the upper end and the lower end of the transition arc segment (123) are smoothly connected to the upper arc segment (121) and the lower arc segment (122) respectively, and the ratio of the length of the longitudinal axis L3 to the transverse axis L4 of the cross section of the curved segment (120) is 1±0.

2.

5. The horizontal siphon toilet according to claim 4, characterized in that: The ratio of the radius R1 of the lower arc segment (122) to the radius R2 of the upper arc segment (121) is (3-6):

1.

6. The horizontal siphon toilet according to claim 4, characterized in that: The ratio of the horizontal axis L4 to the chord length L2 is 1:(0.9-1).

7. The horizontal siphon toilet according to claim 1, characterized in that: It also includes a supporting rib plate (300), the upper end of which is connected to the sewage pipe (100), and the lower end of which extends downward to the bottom of the toilet body.

8. The horizontal siphon toilet according to claim 1, characterized in that: The invention also comprises a dirt accumulation portion (400), wherein the dirt accumulation portion (400) is located at the lower end of the basin portion (200), the front end of the rising section (110) is a dirt inlet (111), the dirt accumulation portion (400) is connected to the basin portion (200) and the dirt inlet (111), the front wall of the dirt accumulation portion (400) is provided with a spray hole (410), the spray hole (410) is opposite to the position of the dirt inlet (111), the front end of the bottom wall of the dirt accumulation portion (400) is higher than the rear end, the front end and the rear end of the bottom wall are smoothly transitioned through a slope section (420), and the rear end of the bottom wall of the dirt accumulation portion (400) is smoothly transitioned to the dirt inlet (111).

9. The horizontal siphon toilet according to claim 8, characterized in that: The direction of the water jet from the jet hole (410) is consistent with the slope of the slope section (420).

10. The horizontal siphon toilet according to claim 8, characterized in that: The slope α of the slope section (420) relative to the horizontal plane is 10°±2°.

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