Knob drain and rear drainage wash basin

Abstract

The present invention discloses a knob drain, comprising a mounting sleeve, a knob arranged in the mounting sleeve, an overflow pipe connected to the knob, and a main pipe; the overflow pipe sleeve is arranged in the main pipe, an overflow hole and a drain hole are arranged on the side wall of the overflow pipe, a water retaining sheet is arranged in the overflow pipe, the water retaining sheet separates the overflow hole from the drain hole and extends upward to a predetermined height to form a water storage cavity and a drainage cavity in the overflow pipe. Correspondingly, the present invention also provides a rear drainage wash basin, comprising a basin body and the knob drain, the side wall of the basin body is provided with a drainage port for hidden drainage. The drain of the present invention has a simple structure, can drain and overflow water; the basin body can be hidden for drainage, and has a beautiful appearance.

Description

Technical Field

[0001] The invention relates to the technical field of wash basins, and in particular to a knob drain and a rear drainage wash basin. Background Art

[0002] Most wash basins now have overflow holes, overflow channels, overflow rings, etc. For basins made of ceramic material, overflow holes are usually left when the basin is made, which affects the aesthetics of the basin and is prone to sanitary dead corners and blockage of the overflow channel.

[0003] Most of the wash basins used in the industry now have a round hole in the bottom of the basin to install a drain. The drain pipe connected to the drain is either straight or tilted, which takes up a lot of space in the cabinet, and the appearance of the basin is not beautiful enough. The flip-top drain is easy to "get stuck" when the lid is flipped to drain water, and most of them do not have a basket filter function, which cannot filter hair and other debris, and easily cause the drain pipe to be blocked. When draining water with a pull-type or push-type drain, the drain is driven externally, which has a complex structure, high accessories cost, and is not easy to disassemble. It is inconvenient to clean the inside, which is easy to cause blockage and produce odor. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a knob drainer which has a simple structure and can drain and overflow water.

[0005] The technical problem to be solved by the present invention is to provide a rear drainage wash basin with a basin body having hidden drainage and beautiful appearance.

[0006] In order to solve the above technical problems, the present invention provides a knob drainer, comprising a mounting sleeve, a knob arranged in the mounting sleeve, an overflow pipe connected to the knob, and a main pipe;

[0007] The overflow pipe is sleeved in the main pipe, and an overflow hole and a drain hole are arranged on the side wall of the overflow pipe. A water retaining plate is arranged in the overflow pipe, and the water retaining plate separates the overflow hole from the drain hole and extends upward to a predetermined height to form a water storage cavity and a drainage cavity in the overflow pipe.

[0008] As an improvement of the above technical solution, a mounting seat and a pressing plate for pressing the mounting seat and the wash basin are provided on the side wall of the main pipeline, and a sealing rubber pad is provided between the mounting seat and the mounting platform;

[0009] A water inlet cavity is arranged in the mounting seat.

[0010] As an improvement of the above technical solution, the overflow hole and the drain hole are arranged relatively to each other, and the bottom surfaces of the overflow hole and the drain hole are not higher than the bottom surface of the water inlet cavity.

[0011] As an improvement of the above technical solution, the water retaining plate is provided with an arc-shaped connecting section and an extended water retaining section, and the arc-shaped connecting section separates the overflow hole from the drain hole;

[0012] The extended water retaining section is arranged to be inclined toward one side of the drain hole.

[0013] As an improvement of the above technical solution, a mounting hole is provided at the upper end of the overflow pipe, a mounting groove is provided on the outer side wall of the knob, and a fixing pin is provided in the mounting hole and the mounting groove;

[0014] A sealing groove is provided at the lower end of the overflow pipe, and a sealing ring is provided in the sealing groove;

[0015] The lower end of the overflow pipe is also provided with an internal thread section, and a filter ring is connected to the internal thread section.

[0016] As an improvement of the above technical solution, a protrusion for marking is provided on the top surface of the knob, and vertical stripes are provided on the side wall of the knob.

[0017] As an improvement of the above technical solution, the installation sleeve is provided with an external thread, and the external thread is matched with a locking nut;

[0018] A wide-mouth section is provided at the upper end of the main pipeline, the wide-mouth end is sleeved on the installation sleeve, and a sealing member is provided between the main pipeline and the installation sleeve.

[0019] Correspondingly, the present invention also provides a rear drainage wash basin, comprising a basin body and a knob drainer;

[0020] The basin body includes a table top and a water reservoir, wherein the table top is provided with a first mounting hole for mounting the knob drainer, and the side wall of the water reservoir is provided with a drain port, and the drain port is communicated with the knob drainer.

[0021] As an improvement of the above technical solution, the drain port is on the rear wall of the basin body, and the bottom surface of the drain port is not higher than the inner bottom surface of the water reservoir;

[0022] A fixing rib and a mounting platform are arranged on the rear outer wall of the basin body, and the mounting platform is sealed and connected to the knob drainer.

[0023] As an improvement of the above technical solution, the inner bottom surface of the water storage tank is inclined toward the drain outlet from one direction or multiple directions;

[0024] The drain outlet is arranged to be inclined downward.

[0025] The implementation of the present invention has the following beneficial effects:

[0026] The present invention arranges an overflow hole and a drain hole on the overflow pipe, and separates the overflow hole and the drain hole by a water retaining plate to store water and drain water respectively. The overflow pipe is rotated by a knob to switch the overflow mode and the drain mode of the drain. The structure is simple and reliable, and the manufacturing cost is low. At the same time, there is no need to arrange an overflow hole and an overflow channel on the wash basin, thereby improving the adaptability and manufacturing cost of the wash basin.

[0027] Furthermore, the water retaining plate is provided with an arc-shaped connecting section and an extended water retaining section, which can play a certain role in guiding water, and the arc surface of the arc-shaped connecting section can avoid forming a sanitary dead corner, making it easy for debris in the water to be discharged along the waterway without clogging the drain, thereby improving the reliability of overflow. The extended water retaining section is arranged obliquely, which can reduce the pressure on the unit area of ​​the water retaining plate, prevent the water retaining plate from being deformed and damaged, and improve the service life of the drain.

[0028] By setting the drain outlet on the side wall of the water tank, the water is hidden and the space under the basin is released, which increases the storage space of the cabinet that matches the wash basin. By installing the operating part of the knob drainer on the countertop, it can avoid contact with sewage and easily drain water, providing a good user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a three-dimensional diagram of a wash basin to which the present invention relates;

[0030] Figure 2 is a three-dimensional diagram of a basin body to which the present invention relates;

[0031] Figure 3 It is an exploded view of the knob drainer involved in the present invention;

[0032] Figure 4 The utility model is a half-section view of the knob drainer related to the present invention. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. It is hereby stated that the directional terms such as up, down, left, right, front, back, inside, outside, etc. that appear or will appear in the text of the present invention are only based on the accompanying drawings of the present invention, and are not specific limitations of the present invention.

[0034] See also Figure 1 , Figure 3 and Figure 4 The present invention provides a knob drain 200, comprising a mounting sleeve 3, a knob 6 disposed in the mounting sleeve 3, an overflow pipe 4 connected to the knob 6, and a main pipe 5;

[0035] The overflow pipe 4 is sleeved in the main pipe 5, and an overflow hole 41 and a drain hole 42 are provided on the side wall of the overflow pipe 4. A water retaining plate 43 is provided in the overflow pipe 4, and the water retaining plate 43 separates the overflow hole 41 from the drain hole 42 and extends upward to a predetermined height to form a water storage cavity 44 and a drainage cavity 45 in the overflow pipe 4.

[0036] Specifically, the installation sleeve 3 is used for assembling the knob drain 200 and the basin body 100, the main pipe 5 is used to connect the drain port 21 to allow water to flow into the overflow pipe 4, the water retaining plate 43 in the overflow pipe 4 divides the channel in the overflow pipe 4 into a water storage cavity 44 and a drainage cavity 45, the overflow hole 41 is arranged on the water storage cavity 44, the drainage hole 42 is arranged on the drainage cavity 45, and the overflow pipe 4 is driven to rotate in the main pipe 5 by the knob 6, so as to quickly switch between the overflow mode and the drainage mode. In the overflow mode, the overflow hole 41 is connected with the drain port of the wash basin, and the overflow height is determined by the height of the water retaining plate 43; when the water depth in the wash basin exceeds the water storage height of the water storage cavity 44, the excess water flows out of the drainage cavity 45 by crossing the water retaining plate 43. In the drainage mode, the drainage hole 42 is connected with the drainage hole, and the water is directly discharged from the drainage cavity 45. The present invention realizes the switching of overflow and drain functions only by rotating the overflow pipe 4, and has a simple structure, low cost, and is easy to assemble and maintain.

[0037] See also Figure 1 and Figure 2 , accordingly, the present invention also provides a rear drainage wash basin, comprising a basin body 100, wherein the knob drainer 200 is connected to the basin body 100;

[0038] The basin body 100 includes a table top 1 and a water reservoir 2 . The table top 1 is provided with a first mounting hole 11 for mounting the knob drain 200 . The side wall of the water reservoir 2 is provided with a drain port 21 . The drain port 21 is connected to the knob drain 200 .

[0039] It should be noted that by providing a drain port 21 on the side wall of the water reservoir 2, hidden drainage is performed. The knob drain 200 connected to the drain port 21 is provided on the side wall (rear side wall) of the basin body 100, thereby releasing the space under the basin body 100 and increasing the storage space of the bathroom cabinet. In order to prevent hands from getting dirty when draining water, the operating part of the knob drain 200 is installed in the first mounting hole 11, and the drain can be operated on the countertop 1, which is clean and hygienic. The basin body 100 is not provided with an overflow hole 41 and an overflow channel, but the overflow hole 41 and the overflow channel are integrated in the knob drain 200, thereby simplifying the structure and production cost of the basin body 100, and is suitable for wash basins of multiple specifications and materials, and has good versatility.

[0040] See also Figure 1 and Figure 2 In order to further save the storage space in the cabinet and facilitate installation, the drain port 21 is provided on the rear wall of the basin body 100, and the bottom surface of the drain port 21 is not higher than the inner bottom surface of the water reservoir 2, so that the sewage can be fully discharged, the water reservoir 2 and the drain port 21 are kept dry, and the growth of bacteria is reduced. In order to facilitate the installation of the knob drain 200, a fixing rib 22 and a mounting platform 23 are provided on the rear outer wall of the basin body 100, and a transverse assembly hole 24 is provided on the fixing rib 22. Specifically, the drain is tightly attached to the mounting platform 23. The assembly hole 24 is used to install the screws for fixing the knob drain 200.

[0041] Furthermore, the inner bottom surface 25 of the water reservoir 2 is tilted from one direction or multiple directions toward the drain port 21, so that the overflow hole 41 is at the lowest position, accelerating drainage and avoiding water accumulation. The drain port 21 is tilted downward to improve the patency of drainage and improve drainage efficiency. The inner side walls of the water reservoir 2 are tilted inward, and a circular arc transition is provided between the inner side walls and the inner bottom surface 25 to avoid sanitary dead corners.

[0042] See also Figure 3 and Figure 4 In order to realize the rapid installation of the main pipe 5 and the installation platform 23, the side wall of the main pipe 5 is provided with a mounting seat 51 and a pressing plate 52 for pressing the mounting seat 51 and the installation platform 23, and a sealing rubber pad 53 is provided between the mounting seat 51 and the installation platform 23; a water inlet cavity 511 is provided in the mounting seat 51, and the water inlet cavity 511 is connected with the drain port 21. Specifically, the side wall of the main pipe 5 is provided with a mounting seat 51 extending outward, and the mounting seat 51 is provided with a water inlet cavity 511 connecting the drain port 21 and the overflow pipe 4, and a mounting plane is provided at the front end of the mounting seat 51, and the sealing rubber pad 53 for waterproofing is also attached to the mounting plane, and the mounting plane is in contact with the installation platform 23. The pressing plate 52 is provided with a locking bolt 54, and the locking bolt 54 is assembled on the assembly hole 24 of the fixing rib 22, so that the pressing plate 52 can press the mounting seat 51 and the installation platform 23. During assembly, the mounting seat 51 may be bonded to the mounting platform 23 and reinforced by the pressing plate 52 ; or the sealing seat may be directly fixed to the mounting platform 23 by the pressing plate 52 .

[0043] See also Figure 4In order to maximize the water flow of the overflow hole 41 and the drain hole 42, the overflow hole 41 and the drain hole 42 are arranged opposite to each other and extend radially inward as much as possible, so that the cross-sections of the overflow hole 41 and the drain hole 42 match the cross-section of the water inlet chamber 511. The bottom surfaces of the overflow hole 41 and the drain hole 42 are not higher than the bottom surface of the water inlet chamber 511, so that no resistance is formed when draining water, thereby improving the smoothness of draining water.

[0044] Furthermore, the water retaining sheet 43 is provided with an arc-shaped connecting section 431 and an extended water retaining section 432, wherein the arc-shaped connecting section 431 separates the overflow hole 41 from the drain hole 42; and the extended water retaining section 432 is inclined toward the drain hole 42. Specifically, in the overflow mode, the arc-shaped connecting section 431 and the extended water retaining section 432 can play a certain role in guiding water, and the arc surface of the arc-shaped connecting section 431 can avoid forming a sanitary dead corner, making it easy for debris in the water to be discharged along the waterway without blocking the water storage cavity 44, thereby improving the reliability of the overflow. The extended water retaining section 432 is inclined, which can reduce the pressure on the unit area of ​​the water retaining sheet 43 and improve the service life of the drain.

[0045] In order to facilitate the fixing of the overflow pipe 4 and the knob 6, a mounting hole 46 is provided at the upper end of the overflow pipe 4, a mounting groove 61 is provided on the outer side wall of the knob 6, and a fixing pin 7 is provided in the mounting hole 46 and the mounting groove 61. Specifically, a fixing plane 47 is provided on the outer wall of the overflow pipe 4, the mounting hole 46 penetrates the overflow pipe 4 inward from the fixing plane 47, the mounting groove 61 is provided on the outer side wall of the knob 6 in the vertical direction, and the overflow pipe 4 and the knob 6 are locked by the fixing pin 7.

[0046] A sealing groove 48 is provided at the lower end of the overflow pipe 4. A sealing ring 8 is provided in the sealing groove 48. The sealing ring 8 abuts against the inside of the main pipe 5 to seal the gap between the main pipe 5 and the overflow pipe 4 to prevent water leakage from the drain.

[0047] It is convenient to clean the drain, and the knob 6 and the overflow pipe 4 can be taken out from the main pipe 5 as a whole. Furthermore, the lower end of the overflow pipe 4 is also provided with an internal thread section 49, and a filter ring 9 is connected to the internal thread section 49. The filter ring 9 is threadedly connected to the internal thread section 49, and a filter hole (not shown in the drawings) is provided on the filter ring 9 to quickly filter out debris in the water to prevent clogging of the drain pipe.

[0048] In addition, the top surface of the knob 6 is provided with a protrusion 62 for identification, and the protrusion 62 facilitates the user to distinguish the use status of the drain, and the user experience is good. The side wall of the knob 6 is provided with vertical stripes 63. The vertical stripes 63 can increase the friction resistance of the knob 6, improve the operability of the knob 6, and prevent the knob 6 from being unable to be rotated due to wet hands.

[0049] In order to facilitate the connection between the drain and the countertop 1, the installation sleeve 3 is provided with an external thread 31, and the external thread 31 is matched with a locking nut 32, and the locking nut 32 can lock the drain and the countertop 1. In order to connect the installation sleeve 3 with the main pipe 5, the upper end of the main pipe 5 is provided with a wide-mouth section 52, and the wide-mouth end 52 is sleeved on the installation sleeve 3, and a sealing member 10 is provided between the main pipe 5 and the installation sleeve 3. The sealing member 10 is a sealing ring 101 provided between the main pipe 5 and the installation sleeve. The main pipe 5 and the installation sleeve 3 are connected only by sleeve arrangement, which reduces the overall installation difficulty of the knob drain 200 and avoids the high assembly precision requirement caused by the knob drain 200 being fixed to the countertop 1 and the installation platform 23 respectively.

[0050] In summary, the present invention provides a knob drain and a wash basin. By setting the drain port 21 on the side wall of the water reservoir 2, the drain is hidden and the space under the basin is released, thereby increasing the storage space of the cabinet adapted to the wash basin. By installing the operating part of the knob drain 200 on the countertop 1, it is possible to avoid contact with sewage and easily drain water, and the user experience is good. The overflow pipe 4 is driven to rotate by the knob 6 to quickly switch between the overflow mode and the drain mode, so as to achieve overflow without an overflow hole. The structure is simple and reliable, and the manufacturing cost is low.

[0051] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A knob drain, characterized in that: It comprises a mounting sleeve, a knob arranged in the mounting sleeve, an overflow pipe connected to the knob, and a main pipe; The overflow pipe is sleeved in the main pipe, and an overflow hole and a drain hole are arranged on the side wall of the overflow pipe. A water retaining plate is arranged in the overflow pipe, and the water retaining plate separates the overflow hole from the drain hole and extends upward to a predetermined height to form a water storage cavity and a drainage cavity in the overflow pipe; The side wall of the main pipeline is provided with a mounting seat and a pressing plate for pressing the mounting seat and the wash basin tightly, and a sealing rubber pad is provided between the mounting seat and the mounting platform; A water inlet cavity is provided in the mounting seat; The installation sleeve is provided with an external thread, and the external thread is matched with a locking nut; A wide-mouth section is provided at the upper end of the main pipeline, the wide-mouth section is sleeved on the installation sleeve, and a sealing member is provided between the main pipeline and the installation sleeve.

2. The knob drainer according to claim 1, characterized in that: The overflow hole and the drain hole are arranged opposite to each other, and the bottom surfaces of the overflow hole and the drain hole are not higher than the bottom surface of the water inlet cavity.

3. The knob drainer according to claim 2, characterized in that: The water retaining plate is provided with an arc-shaped connecting section and an extended water retaining section, and the arc-shaped connecting section separates the overflow hole from the drain hole; The extended water retaining section is arranged to be inclined toward one side of the drain hole.

4. The knob drainer according to claim 3, characterized in that: The upper end of the overflow pipe is provided with a mounting hole, the outer side wall of the knob is provided with a mounting groove, and fixing pins are provided in the mounting hole and the mounting groove; A sealing groove is provided at the lower end of the overflow pipe, and a sealing ring is provided in the sealing groove; The lower end of the overflow pipe is also provided with an internal thread section, and a filter ring is connected to the internal thread section.

5. The knob drainer according to claim 4, characterized in that: The top surface of the knob is provided with a protrusion for marking, and the side wall of the knob is provided with vertical stripes.

6. A rear drainage wash basin, characterized in that: It comprises a basin body and the knob drainer as claimed in any one of claims 1 to 5; The basin body includes a table top and a water reservoir, wherein the table top is provided with a first mounting hole for mounting the knob drainer, and the side wall of the water reservoir is provided with a drain port, and the drain port is communicated with the knob drainer.

7. The rear drainage wash basin according to claim 6, characterized in that: The drain port is on the rear wall of the basin body, and the bottom surface of the drain port is not higher than the inner bottom surface of the water reservoir; A fixing rib and a mounting platform are arranged on the rear outer wall of the basin body, and the mounting platform is sealed and connected to the knob drainer.

8. The rear drainage wash basin according to claim 7, characterized in that: The inner bottom surface of the water storage tank is inclined toward the drain outlet from one direction or multiple directions; The drain outlet is arranged to be inclined downward.

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