Flushing nozzle applied to flushing-down type closestool
By using a design in a flush toilet that incorporates connecting pipes, valve cores, and baffles, the direction and speed of water flow are controlled, solving the problems of complex water pump adjustment and water splashing, thus achieving better flushing performance and water-saving effects.
Patent Information
- Application Number
- CN202423066904.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing flush toilets cannot simultaneously meet the water conservation standards and flushing performance of various countries when adjusting the working pressure of the water pump. Furthermore, the structural differences between different toilets make the adjustment of water pump parameters complicated, which can easily lead to water splashing and noise problems.
A flushing nozzle design is adopted, including a connecting pipe, a valve core and a baffle plate. The direction and speed of water flow are controlled by the inclined or radially arranged water passage holes and the baffle plate structure, so as to avoid water splashing and improve the flushing effect.
It prevents water splashing while saving water, improves flushing performance, and is suitable for flush toilets of different structures. It does not require complicated water pump parameter adjustments, thus improving the compatibility of the water pump and the flushing effect.
Smart Images
Figure CN223562258U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a flushing nozzle, in particular to a flushing nozzle applied to a flush toilet. BACKGROUND
[0002] The flush toilet is a kind of toilet that discharges dirt by the flushing force of flushing water, and the existing flush toilet includes direct flush type and weak siphon flush type with a small S-shaped pipe, and the flushing hole is arranged in the toilet brush ring, and the potential energy of the in-wall high water tank or the kinetic energy of the built-in water pump is used to make water flow into the brush ring through the flushing hole, and the water energy flows down along the toilet pot surface to brush the pot surface and discharge dirt.
[0003] In order to save the hidden troubles and maintenance costs caused by the in-wall water tank, most of the flush toilets now use water pump to generate kinetic energy water to flush into the brush ring through the flushing hole. However, due to the different performances of water pumps provided by various manufacturers and the diversity of existing ceramics (different shapes of toilets) and the different sizes of the arc transition surface of the brush ring, it is difficult to better realize the flushing of the toilet pot surface and the discharge of the dirt at the bottom of the pot by adjusting the performance parameters of the water pump during the process of generating kinetic energy water.
[0004] Specifically, when the pipe resistance is constant, the water pressure and flow rate of the same water pump will increase synchronously with the increase of voltage or duty ratio, but in fact, in order to meet the water-saving standards of various countries and regions, only a few working points of the water pump are used for a certain ceramic with a fixed pot surface. If the water supply pressure of the water pump is adjusted to a small value, the water flow rate is not enough to discharge the dirt on the toilet pot surface in time, although the dirt can be discharged by delaying the water supply, but more water is wasted, resulting in poor water-saving performance of the entire toilet. At the same time, in order to meet the water-saving standards of various countries and regions, the pot surface of the flush toilet is mostly short, so when the water supply pressure of the water pump is at a large value, although the flushing performance is improved, the water in the brush ring will rotate out from the side of the pot surface, and the too large water supply pressure is also easy to cause water flow noise and even suck air to affect the final flushing effect. That is to say, it is difficult to adjust the working pressure value of the water pump to achieve better flushing performance, and the adjustment is complex, not to mention the differences in the structures of different toilets. TECHNICAL SOLUTION
[0005] The utility model provides a flushing nozzle applied to a flush toilet, which overcomes the deficiencies of the background art, prevents water splashing under the condition of meeting the water-saving performance, and makes the toilet have better flushing performance. The technical scheme adopted by the utility model to solve the technical problems is:
[0006] The flushing nozzle applied to the flush toilet comprises a connecting pipe for interfacing with the flushing hole of the flushing rim, the front end of the connecting pipe is defined as the water inlet end of the inner cavity axis, and the rear end is defined as the water outlet end, a mounting ring is arranged in the connecting pipe, the inner cavity of the connecting pipe is divided into a front chamber and a rear chamber by the mounting ring, a valve core is arranged in the connecting pipe and is inserted with the mounting ring, the valve core is a shell-shaped structure with an open rear end face, at least two water passing holes are arranged on the side wall of the valve core in the front chamber of the connecting pipe and are distributed in the circumferential direction, the water passing holes are arranged in a tilt manner with the water inlet end behind and the water outlet end in front, so that the axis of the water passing hole is obliquely intersected with the inner cavity axis of the connecting pipe, a water baffle is arranged in the rear chamber of the connecting pipe, the water baffle is located on the rear side of the valve core and is axially aligned with the rear end face of the valve core, flushing water enters the front chamber of the connecting pipe from the front end, enters the valve core inwards and obliquely forwards along the water passing hole, is blocked by the front end wall of the valve core, flows out of the valve core and enters the rear chamber of the connecting pipe, and finally flows out of the connecting pipe from the side after hitting the water baffle.
[0007] In a preferred embodiment: the side wall of the valve core is provided with a convex ring around the water passing hole to increase the length of the water passing hole.
[0008] In a preferred embodiment: the convex ring is located on the outer surface of the side wall of the valve core.
[0009] In a preferred embodiment: the number of water passing holes is four.
[0010] In a preferred embodiment: the size of the water baffle is at least capable of covering the rear end face of the valve core.
[0011] In a preferred embodiment: the front end wall of the valve core is arc-shaped and protrudes forward.
[0012] In a preferred embodiment: the front end wall of the valve core is planar.
[0013] In a preferred embodiment: the outer surface of the side wall of the valve core is provided with a retaining ring in the middle part and a barb at the rear end, the retaining ring and the barb clamp the mounting ring front and rear.
[0014] In a preferred embodiment: a fastening nut is further arranged for locking and fixing the connecting pipe on the toilet, the fastening nut is sleeved on the connecting pipe and is threadedly connected with the connecting pipe, the rear end of the connecting pipe has a tapered opening expanding outward, and a water inlet nut is further arranged, the water inlet nut is threadedly connected with the front end of the connecting pipe.
[0015] The flushing nozzle applied to the flush toilet comprises a connecting pipe for interfacing with the flushing hole of the flushing rim, the front end of the connecting pipe is defined as the water inlet end of the inner cavity axis, and the rear end is the water outlet end, a mounting ring is arranged in the connecting pipe, the inner cavity of the connecting pipe is divided into a front chamber and a rear chamber by the mounting ring, a valve core is arranged in the connecting pipe and is inserted with the mounting ring, the valve core is a shell-shaped structure with an open rear end face, at least two water passing holes are arranged on the side wall of the valve core in the front chamber of the connecting pipe and are distributed in the circumferential direction, the water passing holes are arranged in the radial direction, so that the axis of the water passing hole is perpendicular to the inner cavity axis of the connecting pipe, a water baffle is arranged in the rear chamber of the connecting pipe, the water baffle is located on the rear side of the valve core and is axially aligned with the rear end face of the valve core, flushing water enters the front chamber of the connecting pipe from the front end, enters the valve core in the radial direction along the water passing hole, flows out of the valve core and enters the rear chamber of the connecting pipe, and finally flows out of the connecting pipe from the side after hitting the water baffle.
[0016] Compared with the background art, the technical scheme has the following advantages:
[0017] 1. The kinetic energy water, i.e. flushing water, delivered by the water pump under the condition that the water supply pressure is large enough, first bypasses to the ring side of the valve core after entering the connecting pipe, is divided into multiple water flows entering from multiple water passing holes, and different water flows are incidentally collided from multiple directions to the inside of the valve core, so as to effectively slow down the flow rate of the flushing water and avoid splashing or spinning out of the toilet from the flushing water in the flushing rim. Therefore, water splashing is prevented under the condition of water saving performance, the flush toilet has good flushing performance, and the water pump compatibility is improved, i.e. the flushing nozzle can avoid splashing phenomenon when cooperating with the water pump with high water supply pressure, and is suitable for flush toilets with different structures, so that the complex water pump parameter adjustment work of engineers is avoided.
[0018] 2. After the flushing water flows out of the valve core, it again meets the blocking of the water baffle, bypasses the water baffle and then flows out of the connecting pipe, flows into the flushing rim of the toilet, and further improves the damping effect.
[0019] 3. The length of the water passing hole is increased, so that the flow direction of the water flow is more stable, so that the multiple water flows can better travel along the designed route, the incidentally colliding effect is better, and the flow rate reduction effect is more obvious.
[0020] 4. The convex ring is located on the outer surface of the side wall of the valve core, and the convex ring blocks the flushing water before the flushing water enters the water passing hole, so as to further reduce the flow rate.
[0021] 5. The fastening nut is matched with the taper to clamp the hole wall of the flushing hole of the flushing rim, so that the installation is convenient. The water inlet nut is convenient for connecting with the pipeline. BRIEF DESCRIPTION OF DRAWINGS
[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0023] Figure 1 A schematic diagram illustrating the usage state of the flush nozzle of this utility model applied to a washdown toilet is shown.
[0024] Figure 2 The diagram illustrates the connection of the flushing nozzle of this utility model applied to a washdown toilet in a cross-sectional view.
[0025] Figure 3 It is illustrated Figure 2 The diagram shows an exploded view of the flushing nozzle.
[0026] Figure 4 It is illustrated Figure 2 A three-dimensional schematic diagram of the valve core of the flushing nozzle shown.
[0027] Figure 5 It is illustrated Figure 2 The diagram shows the structural deformation of the valve core of the flushing nozzle.
[0028] Figure 6 It is illustrated Figure 2 Another structural deformation diagram of the valve core of the flushing nozzle is shown.
[0029] Figure 7 It is illustrated Figure 6 A three-dimensional schematic diagram of the valve core shown. Detailed Implementation
[0030] Example 1
[0031] Please refer to Figures 1 to 4 The flush toilet 10 uses a water pump 20 to generate kinetic water or flushing water. The kinetic water or flushing water enters the brush ring 12 through the flushing hole to scrub the surface of the toilet and push the waste out. The flushing nozzle 30 is used in the flush toilet 10 and is installed in the flushing hole. That is, the kinetic water or flushing water flows out from the flushing nozzle 30 and then enters the brush ring 12.
[0032] Specifically, the flushing nozzle 30 comprises a connecting pipe 32 for interfacing with the flushing hole of the brush ring. For the convenience of description, the axis of the inner cavity of the connecting pipe 32 is defined as the front end for water inlet and the rear end for water outlet. The connecting pipe 32 is internally provided with a mounting ring 321. The inner cavity of the connecting pipe 32 is divided into a front chamber 322 and a rear chamber 323 in the axial direction by the mounting ring 321, i.e., the front side of the mounting ring is the front chamber and the rear side is the rear chamber. The flushing nozzle 30 further comprises a valve core 34 arranged in the connecting pipe 32 and inserted with the mounting ring 321. The valve core 34 is a shell-shaped structure with an open rear end face, having a front end wall 342 and a side wall 343. The valve core 34 is provided with at least two water passing holes 341 distributed in the circumferential direction on the side wall of the front chamber 322 of the connecting pipe. The water passing holes 341 are arranged in a manner that the water inlet end is located rearward and the water outlet end is located forward, so that the axis of the water passing holes 341 is obliquely intersected with the axis of the inner cavity of the connecting pipe 32. It can be understood that, for the valve core 34, the water passing hole is the water inlet channel and the open port of the rear end face is the water outlet channel. The connecting pipe rear chamber 323 is internally provided with a water baffle 324, which is located on the rear side of the valve core 34 and axially aligned with the rear end face of the valve core, i.e., the front face of the water baffle directly faces the valve core. In operation, the flushing water enters the front chamber 322 of the connecting pipe from the front end to the rear end, enters the valve core 34 through the water passing holes 341 towards the inside of the valve core and obliquely forward. The water flows out of the water passing holes collide with each other, different water flows collide and mix, and then are blocked by the front end wall 342 of the valve core to flow out of the valve core 34 rearward and into the rear chamber 323 of the connecting pipe. After colliding with the water baffle 324, the water flows around the water baffle from the side and finally flows out of the connecting pipe 32 rearward, and then enters the brush ring 12 of the closestool.
[0033] In this embodiment, the angle between the axis of the water passing hole 341 and the axis of the inner cavity of the connecting pipe 32 is 50 degrees, preferably between 30-70 degrees. After the flushing water flow passes through the water passing hole, collides and is blocked by the front end wall of the valve core and the water baffle, the flow rate is reduced, the originally aggressive water flow is slowed down, and the overall flushing effect is improved. Further, manufacturers do not need to select different water pumps according to different structures of the flushing closestool, nor need to adjust the parameters after selecting the water pump. A high-efficiency water pump matched with the flushing nozzle can meet the flushing performance and water-saving performance, and prevent water splashing. Moreover, the structure of the valve core has a good damping effect on the flushing water flow. In fact, the water baffle 324 in the rear chamber 323 of the connecting pipe is not required to meet the use requirements.
[0034] Preferably, the side wall of the valve core 34 is provided with a convex ring 346 around the water passing hole 341, so as to increase the length of the water passing hole 341. Further preferably, the convex ring 346 is located on the outer surface of the side wall of the valve core, so as to intercept the water flow before it enters the valve core.
[0035] Preferably, the number of water passing holes 341 is four.
[0036] Preferably, the size of the water baffle 324 is at least able to cover the rear end surface of the valve core 34, that is, the water baffle is just able to cover the open hole of the rear end surface of the valve core, or is larger, so as to intercept the water flow as much as possible.
[0037] Preferably, the front end wall 342 of the valve core 34 is arc-shaped, protruding forward, so that the water flow has a larger forward oblique inward flow path after passing through the water passing hole 341. Understandably, the front end wall 342 of the valve core 34 can also be planar, as shown in Figure 5 .
[0038] Preferably, the outer surface of the side wall 343 of the valve core 34 is provided with a retaining ring 344 in the middle and a barb 345 at the rear end, and the retaining ring 344 and the barb 345 clasp the mounting ring 321 forward and backward. Understandably, in order to facilitate the insertion of the valve core and the mounting ring, the side wall 343 of the valve core 34 is cut to form a clearance slot on both sides of the barb 345, so that the barb 345 has better deformation ability and can better extrude the mounting ring.
[0039] Preferably, a fastening nut 36 is further included for locking and fixing the connecting pipe 32 on the closestool 10, the fastening nut 36 is sleeved on the connecting pipe 32 and is threadedly connected therebetween, and the rear end of the connecting pipe 32 has an outwardly expanding taper mouth 325, and during installation, the fastening nut 36 and the taper mouth 325 cooperate to clamp and fix on the flushing hole.
[0040] Preferably, a water inlet nut 38 is further included, which is threadedly connected to the front end of the connecting pipe 32.
[0041] Embodiment Two
[0042] Please refer to Figure 6 and Figure 7 , the flushing nozzle is improved in structure in the second embodiment, and the difference of the structure of the valve core 34 is that the water passing hole 341a is arranged in the radial direction, so that the axis of the water passing hole 341a is perpendicular to the axis of the inner cavity of the connecting pipe 32, and therefore, after the flushing water enters the valve core 34 in the radial direction along the water passing hole 341a, it directly collides head-on and can only flow backward under the blockage of the front end wall 342 of the valve core 34. Of course, the front end wall 342 of the valve core 34 can be planar or arc-shaped.
[0043] The above merely describes preferred embodiments of the present application, and therefore cannot limit the scope of the present application, i.e. equivalent changes and modifications made according to the scope of the present application and the content of the specification should still fall within the scope of the present application.
Claims
1. A flushing nozzle for a washdown toilet, comprising a connecting pipe for engaging with a brush ring, wherein the water inlet end of the connecting pipe's inner cavity axis is defined as the front end, and the water outlet end as the rear end, characterized in that: The connecting pipe has an installation ring inside, and the inner cavity of the connecting pipe is divided into a front chamber and a rear chamber by the installation ring. It also includes a valve core disposed in the connecting pipe and inserted into the installation ring. The valve core is a shell-shaped structure with an open rear end. The valve core has at least two water passage holes arranged in a circumferential array on the side wall of the front chamber of the connecting pipe. The water passage holes are inclined with the water inlet end towards the rear and the water outlet end towards the front. Thus, the axis of the water passage hole intersects the inner cavity axis of the connecting pipe at an incline. The flushing water enters the front chamber of the connecting pipe from the front end to the rear, enters the valve core from the water passage holes inward and obliquely forward, and flows out of the valve core backward due to the obstruction of the front end wall of the valve core and enters the rear chamber of the connecting pipe.
2. The flushing nozzle for a washdown toilet according to claim 1, characterized in that: A baffle plate is provided in the rear chamber of the connecting pipe. The baffle plate is located behind the valve core and is axially aligned with the rear end face of the valve core. After the flushing water enters the rear chamber of the connecting pipe, it bypasses the baffle plate from the side and finally flows out of the connecting pipe.
3. The flushing nozzle for a washdown toilet according to claim 1, characterized in that: The valve core has a raised ring around the water passage hole to increase the length of the water passage hole, and the raised ring is located on the outer surface of the valve core's side wall.
4. The flushing nozzle for a washdown toilet according to claim 1, 2, or 3, characterized in that: The number of water passage holes is four.
5. The flushing nozzle for a washdown toilet according to claim 2, characterized in that: The size of the baffle plate is at least large enough to cover the rear end face of the valve core.
6. The flushing nozzle for a washdown toilet according to claim 1, characterized in that: The front wall of the valve core is arc-shaped and protrudes forward; or, The front wall of the valve core is planar.
7. The flushing nozzle for a washdown toilet according to claim 1, characterized in that: The valve core has a retaining ring in the middle and a barb at the rear end on the outer surface of its side wall. The retaining ring and the barb clamp the mounting ring from the front and rear.
8. The flushing nozzle for a washdown toilet according to claim 1, characterized in that: It also includes a fastening nut for locking the connecting pipe to the toilet, the fastening nut being fitted onto the connecting pipe and the two being threaded together, the rear end of the connecting pipe having an outwardly expanding tapered opening, and also includes a water inlet nut, the water inlet nut being screwed onto the front end of the connecting pipe.
9. A flushing nozzle for a washdown toilet, comprising a connecting pipe for engaging with a brush ring, wherein the water inlet end of the connecting pipe's inner cavity axis is defined as the front end, and the water outlet end as the rear end, characterized in that: The connecting pipe has an installation ring inside, and the inner cavity of the connecting pipe is divided into a front chamber and a rear chamber by the installation ring. It also includes a valve core disposed in the connecting pipe and inserted into the installation ring. The valve core is a shell-shaped structure with an open rear end. The valve core has at least two water passage holes arranged in a circumferential array on the side wall of the front chamber of the connecting pipe. The water passage holes are arranged radially, so that the axis of the water passage holes is perpendicular to the axis of the inner cavity of the connecting pipe. The flushing water enters the front chamber of the connecting pipe from the front end to the rear end, enters the valve core radially inward along the water passage holes, and then flows out of the valve core and into the rear chamber of the connecting pipe.
10. The flushing nozzle for a washdown toilet according to claim 9, characterized in that: A baffle plate is provided in the rear chamber of the connecting pipe. The baffle plate is located behind the valve core and is axially aligned with the rear end face of the valve core. After the flushing water enters the rear chamber of the connecting pipe, it bypasses the baffle plate from the side and finally flows out of the connecting pipe.