Floor drain

Abstract

According to the floor drain, a first sealing piece is provided with a sealing cavity, a water passing hole is formed in the sealing cavity, an elastic sealing gasket used for blocking the water passing hole is installed on the water passing hole, and the elastic sealing gasket can elastically deform to open the water passing hole when subjected to external force from the outside of the first sealing piece; the water seal part is connected with the first sealing part, a water seal area and a drainage area which are communicated with each other are defined between the water seal part and the sealing cavity, and a drainage opening is formed in the bottom of the drainage area; the second sealing element is mounted at the water outlet, and the second sealing element can elastically move to block or open the water outlet; triple sealing is achieved through the elastic sealing gasket, the second sealing piece and the water seal so that the efficient deodorization and mosquito prevention effects can be achieved. Under the sealing action of the elastic sealing gasket and the second sealing piece, the evaporation speed of water vapor in the water seal area can be reduced, and the long-term effect of the water seal is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of floor drains, in particular to a floor drain. Background Art

[0002] Some existing floor drains use a flap core and a water seal for double odor prevention. Since the water seal is connected to the external environment or the sewer pipe, the water in the water seal will evaporate after a certain period of time, causing the water seal to fail easily. In the case of water seal failure, the flap core has a poor odor prevention effect and cannot guarantee long-term odor prevention and mosquito prevention. Summary of the invention

[0003] The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. To this end, the present invention provides a floor drain.

[0004] To achieve the above object, the technical solution of the present invention is as follows:

[0005] A floor drain according to an embodiment of the first aspect of the present invention comprises:

[0006] A first sealing member, wherein the first sealing member is provided with a sealing cavity, the sealing cavity is provided with a water passing hole, an elastic sealing pad for blocking the water passing hole is installed on the water passing hole, and the elastic sealing pad can be elastically deformed to open the water passing hole when subjected to an external force from outside the first sealing member;

[0007] A water seal member, the water seal member is connected to the first seal member, the water seal member and the sealing cavity define a water seal area and a drainage area that are interconnected, and a drainage port is provided at the bottom of the drainage area;

[0008] A second sealing member is installed at the drain outlet, and the second sealing member can be elastically moved to block or open the drain outlet.

[0009] The floor drain according to the embodiment of the present invention has at least the following beneficial effects: triple sealing is achieved by utilizing the elastic sealing gasket, the second sealing component and the water sealing effect to achieve efficient odor-proof and mosquito-proof effects; under the sealing effect of the elastic sealing gasket and the second sealing component, the evaporation rate of water vapor in the water seal area can be slowed down to ensure the long-term effectiveness of the water seal.

[0010] According to some embodiments of the present invention, a bulging portion bulging outward is provided on the circumferential side wall of the sealing cavity, the water hole is opened on the bulging portion, the elastic sealing gasket is in a pocket shape adapted to the shape of the bulging portion, and the elastic sealing gasket is connected to the inner side of the bulging portion.

[0011] According to some embodiments of the present invention, a plurality of water holes are provided on the bulge portion, and the plurality of water holes are distributed in sequence around the center of the bulge portion. The elastic sealing gasket includes a connecting shaft and a pocket portion, and the connecting shaft extends from the center of the pocket portion. The connecting shaft is connected to the center of the bulge portion, and the pocket portion is adapted to the shape of the bulge portion.

[0012] According to some embodiments of the present invention, the water seal component includes an inner cylinder portion and an outer cylinder portion, the outer cylinder portion is arranged around the inner cylinder portion, the highest position of the inner cylinder portion is higher than the highest position of the outer cylinder portion, the outer cylinder portion is open upward, and the outer walls of the outer cylinder portion and the inner cylinder portion constitute the water seal area in the sealing cavity, the upper end opening of the inner cylinder portion forms a water inlet and the lower end opening forms the drain port, and the interior of the inner cylinder portion forms the drain area.

[0013] According to some embodiments of the present invention, the highest position of the outer cylinder is lower than the water hole, and the water inlet is located at a position higher than the water hole.

[0014] According to some embodiments of the present invention, the outer cylinder portion and the first sealing member are connected via threads.

[0015] According to some embodiments of the present invention, the second sealing member includes a bracket, an elastic member and a sealing member, the bracket is connected to the water sealing member by threads, the elastic member is installed between the bracket and the sealing member, the elastic member applies an elastic force to the sealing member to move toward the drain outlet, and the sealing member can seal the drain outlet.

[0016] According to some embodiments of the present invention, a sealing surface is provided on the sealing member, the sealing surface is an arc surface protruding toward the drain outlet, and the periphery of the sealing surface can abut against the edge of the drain outlet.

[0017] According to some embodiments of the present invention, it also includes a shell seat and a filter element, the shell seat is provided with an installation cavity, the first sealing element is installed in the installation cavity, the water hole can connect the installation cavity and the water seal area, the filter element is installed in the upper part of the installation cavity and is sleeved on the first sealing element.

[0018] According to some embodiments of the present invention, the first sealing component is made of elastic material.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] FIG1 is a schematic diagram of the structural decomposition of a floor drain;

[0022] FIG2 is a schematic diagram of the internal structure of the floor drain in a normal state;

[0023] FIG3 is an internal schematic diagram of a floor drain drainage process;

[0024] FIG4 is a schematic structural diagram of a first sealing member;

[0025] FIG5 is a schematic diagram of FIG4 from another viewing angle;

[0026] FIG6 is a schematic diagram of the structure of an elastic sealing pad;

[0027] FIG. 7 is a schematic structural diagram of a water seal.

[0028] Figure markings: first sealing member 100; sealing cavity 110; water hole 120; bulge portion 130; elastic sealing pad 200; connecting shaft 210; pocket portion 220; water seal member 300; inner cylinder portion 310; outer cylinder portion 320; water seal area 410; drainage area 420; drainage port 421; water inlet 422; second sealing member 500; bracket 510; elastic member 520; sealing member 530; sealing surface 531; shell seat 600; installation cavity 610; filter element 700. DETAILED DESCRIPTION

[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0030] The present invention relates to a floor drain, comprising a first sealing member 100 , a water sealing member 300 , and a second sealing member 500 .

[0031] As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the first sealing member 100 is cylindrical, and a sealing cavity 110 is provided inside the first sealing member 100, and the sealing cavity 110 opens downward. The first sealing member 100 may be made of an elastic material. A water hole 120 is provided on the sealing cavity 110, and one or more water holes 120 may be provided. The water hole 120 is located on the circumferential side wall of the first sealing member 100. When a plurality of water holes 120 are provided, the plurality of water holes 120 may be distributed in sequence along the circumference of the first sealing member 100. The water hole 120 may connect the sealing cavity 110 to the outside of the first sealing member 100. An elastic sealing pad 200 is installed on each water hole 120, and the elastic sealing pad 200 may be made of a material that can be elastically deformed, such as rubber or silicone. The elastic sealing pad 200 will undergo elastic deformation when subjected to an external force. Under normal conditions, that is, when the elastic sealing gasket 200 is not subjected to external forces from outside the first sealing member 100, the elastic sealing gasket 200 keeps blocking the water hole 120. When the elastic sealing gasket 200 is subjected to external forces from outside the first sealing member 100, that is, when an external force pushes the elastic sealing gasket 200 toward the inside of the sealing cavity 110, the elastic sealing gasket 200 undergoes elastic deformation, cancels the closed state of the water hole 120, and opens the water hole 120. At this time, the outside of the first sealing member 100 is connected to the sealing cavity 110 through the water hole 120. The water seal 300 is connected to the first sealing member 100, and the water seal 300 can be installed from the bottom of the first sealing member 100 to the top of the sealing cavity 110. A water seal area 410 and a drainage area 420 are defined between the water seal 300 and the first sealing member 100. The water seal area 410 and the drainage area 420 are connected to each other. A water seal can be formed in the water seal area 410. After the water seal area 410 is filled with water, it can flow to the drain area 420, and the overflowing water is discharged from the drain port 421 of the drain area 420 through the drain area 420. The second seal 500 is installed at the drain port 421. The second seal 500 can move elastically. Under normal conditions, that is, when the second seal 500 is not affected by other external forces except its own elastic force, the second seal 500 blocks the drain port 421. When water flows from the drain area 420 to the drain port 421, the second seal 500 moves elastically under the action of the gravity of the water, and the second seal 500 leaves the drain port 421. The drain port 421 is opened, and the water in the drain area 420 is discharged from the drain port 421.

[0032] In actual use, the floor drain is installed in the drain outlet of the sewer. Initially, as shown in FIG2 , the elastic sealing pad 200 blocks the water hole 120, and the second sealing member 500 blocks the drain outlet 421. As shown in FIG3 , when water flows to the drain outlet of the sewer, the water gathers outside the first sealing member 100, and the water pressure outside the first sealing member 100 acts on the elastic sealing pad 200, and the elastic sealing pad 200 undergoes elastic deformation to open the water hole 120. Water enters the water seal area 410 through the water hole 120, and the water is stored in the water seal area 410. The water level in the water seal area 410 gradually rises to the highest water storage level and then overflows to the drain area 420. After entering the drain area 420, the water flows to the drain outlet 421, and the second sealing member 500 elastically moves away from the drain outlet 421 under the gravity of the water. The water is discharged from the drain outlet 421 to the sewer. When the water stops being discharged to the drain port, the elastic sealing pad 200 loses the force of the external water and elastically resets, the elastic sealing pad 200 blocks the water hole 120, and a part of the water remains in the water seal area 410 to form a water seal. The second sealing member 500 elastically resets to block the drain port 421. The elastic sealing pad 200, the second sealing member 500 and the water seal function are used to achieve triple sealing to achieve a highly effective deodorizing and mosquito-proofing effect. At the same time, under the sealing effect of the elastic sealing pad 200 and the second sealing member 500, the evaporation rate of water vapor in the water seal area 410 can be slowed down to ensure the long-term effectiveness of the water seal.

[0033] In some embodiments of the present invention, as shown in FIGS. 2, 4, 5 and 6, a bulge 130 is provided on the circumferential side wall of the sealed cavity 110. The bulge 130 bulges outward from the side wall of the sealed cavity 110 in an arc shape. The water hole 120 is provided on the bulge 130. The elastic sealing pad 200 is installed on the side of the bulge 130 facing the sealed cavity 110. The shape of the elastic sealing pad 200 is adapted to the shape of the bulge 130, and the elastic sealing pad 200 is in the shape of a pocket with the middle part bulging outward from the sealed cavity 110. The elastic sealing pad 200 covers the bulge 130 in a normal state, thereby blocking the water hole 120. When water hits the water hole 120 from the outside of the sealed cavity 110, the water hits the side of the elastic sealing pad 200 facing outward (toward the outside of the sealed cavity 110), and the circumferential edge of the elastic sealing pad 200 contracts and deforms toward the center, so that a certain gap is formed between the water hole 120 and the periphery of the elastic sealing pad 200, and water flows into the water seal area 410 through the gap. Specifically, a plurality of water holes 120 are provided on the bulge portion 130, and the plurality of water holes 120 are distributed in sequence around the center of the bulge portion 130. Ribs are formed on the bulge portion 130 between adjacent water holes 120. The elastic sealing pad 200 includes a connecting shaft 210 and a pocket portion 220. The pocket portion 220 and the connecting shaft 210 can be integrally formed. The shape of the pocket portion 220 is adapted to the shape of the bulge portion 130. The connecting shaft 210 extends out from the center of the pocket portion 220. The connecting shaft 210 is inserted into the center of the bulge 130. A slot can be provided on the end of the connecting shaft 210. A through hole is provided at the center of the bulge 130. The connecting shaft 210 is passed through the through hole and then connected to the through hole through the slot. The connecting shaft 210 exerts a pulling force on the pocket 220 toward the outside of the sealing cavity 110, so that the pocket 220 covers and blocks each water hole 120 under normal conditions. When water enters the water hole 120, under the action of the connecting shaft 210, the center of the pocket 220 does not move relative to the bulge 130, and the periphery of the pocket 220 undergoes elastic deformation to open each water hole 120.

[0034] In some specific embodiments of the present invention, as shown in FIG. 2 , FIG. 3 and FIG. 7 , the water seal 300 includes an inner cylinder portion 310 and an outer cylinder portion 320. The outer cylinder portion 320 and the inner cylinder portion 310 are coaxially arranged, and the outer cylinder portion 320 is arranged around the inner cylinder portion 310. There is a gap between the inner wall of the outer cylinder portion 320 and the outer wall of the inner cylinder portion 310 to form a chamber opening upward. The interior of the inner cylinder portion 310 is hollow and has openings at both ends. The upper end opening of the inner cylinder portion 310 forms a water inlet 422, and the lower end opening forms a drain port 421. The highest position of the inner cylinder portion 310 is higher than the highest position of the outer cylinder portion 320, that is, the water inlet 422 is higher than the upward opening of the outer cylinder portion 320. The water seal 300 is installed in the sealed cavity 110, the upward opening of the outer cylinder 320 is connected to the sealed cavity 110, and the cavity on the outer cylinder 320 and the space between the inner wall of the sealed cavity 110 above the cavity and the outer wall of the inner cylinder 310 together constitute the water seal area 410. The water inlet 422 of the inner cylinder 310 is connected to the sealed cavity 110, and the interior of the inner cylinder 310 forms a drainage area 420. Furthermore, the highest position of the outer cylinder 320 is lower than the water hole 120, and the water inlet 422 of the inner cylinder 310 is located higher than the water hole 120. After the floor drain is installed at the drain outlet of the sewer, the water inlet 422 is lower than the drain outlet. After passing through the water hole 120, the water first fills up the chamber of the outer cylinder 320, and then the water level in the water seal area 410 gradually rises until it is higher than the water inlet 422. The water in the water seal area 410 overflows to the water inlet 422 and enters the drainage area 420, and finally is discharged from the drainage port 421. When the external water stops being discharged to the drain port, the elastic sealing pad 200 loses the external water pressure of the first sealing member 100 and is reset. At the same time, the inner side of the elastic sealing pad 200 is subjected to the water pressure in the water seal area 410, and the water hole 120 is more stably pressed and blocked.

[0035] The outer wall of the outer cylinder 320 and the outer wall of the first sealing member 100 can be connected by threads. The outer wall of the outer cylinder is provided with external threads, and the inner wall of the bottom of the first sealing member 100 is provided with internal threads. The two are quickly connected by threads, which is convenient for loading and unloading the first sealing member 100 and the water seal 300, and then easy to clean.

[0036] In some specific embodiments of the present invention, as shown in FIG. 1 and FIG. 2 , the second sealing member 500 includes a bracket 510, an elastic member 520 and a sealing member 530. The bracket 510 is connected to the water seal 300 by a thread. An extension cylinder wall with an internal thread may be provided at the bottom extension of the water seal 300, and the extension cylinder wall is coaxially arranged with the inner cylinder 310. An external thread is provided on the bracket 510, and the bracket 510 is threadedly connected with the extension cylinder. The elastic member 520 is installed between the bracket 510 and the sealing member 530. A hollow first plug column may be provided on the bracket 510, and a hollow second plug column is provided on the sealing member 530, and the second plug column is coaxially sleeved on the first plug column. The elastic member 520 is selected as a spring, and the spring is placed in the first plug column and the second plug column, and the lower end of the spring abuts against the bottom of the first plug column, and the upper end of the spring abuts against the top of the second plug column. With the first plug column as a support, the elastic member 520 applies an elastic force to the sealing member 530 to move toward the drain port 421. The sealing member 530 blocks the drain outlet 421 upward under the elastic force. After water enters the drain area 420 and flows to the drain outlet 421, the water gravity is greater than the elastic force of the elastic member 520, the elastic member 520 is compressed downward, the sealing member 530 moves downward, and the drain outlet 421 opens to drain. Among them, the upper side of the sealing member 530 is the sealing surface 531. The sealing surface 531 is an arc surface that bulges toward the direction of the drain outlet 421, and the sealing surface 531 is umbrella-shaped. The periphery of the sealing surface 531 can abut against the edge of the drain outlet 421. Water impacts the sealing surface 531 from the drain area 420, and the water flows along the sealing surface 531 to the surroundings of the sealing surface 531, so that the sealing member 530 is evenly stressed and moves downward away from the drain outlet 421.

[0037] In some embodiments of the present invention, as shown in FIG. 1 and FIG. 2 , a housing 600 and a filter element 700 are also included. The housing 600 is provided with an installation cavity 610. The installation cavity 610 can be provided in a bowl shape, with upper and lower ends of the installation cavity 610 being open. The first sealing member 100 is installed in the installation cavity 610. The first sealing member 100 and the installation cavity 610 can be connected by threads. The highest position of the first sealing member 100 is lower than the upper end of the installation cavity 610. The water hole 120 can connect the installation cavity 610 with the water seal area 410. The filter element 700 is installed in the upper part of the installation cavity 610 and is sleeved on the first sealing member 100. The floor drain is installed on the drain outlet of the sewer through the housing 600. Water flows into the installation cavity 610, and the water pressure in the installation cavity 610 pushes the elastic sealing pad 200 to open the water outlet for drainage. Before the water enters the installation cavity 610, it is filtered by the filter element 700 to separate solid matter such as hair in the water. The filter element 700 can be a combination of one or more types such as a grate and a filter.

[0038] In the description of this specification, the description of reference terms such as "some specific embodiments" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A floor drain, characterized in that: include: A first sealing member (100), wherein the first sealing member (100) is provided with a sealing cavity (110), a water hole (120) is provided on the sealing cavity (110), an elastic sealing pad (200) for sealing the water hole (120) is installed on the water hole (120), and the elastic sealing pad (200) is capable of elastically deforming to open the water hole (120) when subjected to an external force from outside the first sealing member (100); A water seal (300), the water seal (300) being connected to the first seal (100), the water seal (300) and the sealed cavity (110) defining a water seal area (410) and a drainage area (420) that are in communication with each other, the drainage area (420) being provided with a drainage port (421) at the bottom; A second sealing member (500) is installed at the drain outlet (421), and the second sealing member (500) is capable of elastic movement to block or open the drain outlet (421).

2. The floor drain according to claim 1, characterized in that: A bulging portion (130) bulging outward is provided on the circumferential side wall of the sealing cavity (110), the water passage hole (120) is provided on the bulging portion (130), the elastic sealing pad (200) is in a pocket shape matching the shape of the bulging portion (130), and the elastic sealing pad (200) is connected to the inner side of the bulging portion (130).

3. The floor drain according to claim 2, characterized in that: The bulge portion (130) is provided with a plurality of water holes (120), and the plurality of water holes (120) are sequentially distributed around the center of the bulge portion (130). The elastic sealing pad (200) comprises a connecting shaft (210) and a pocket portion (220), and the connecting shaft (210) extends from the center of the pocket portion (220). The connecting shaft (210) is connected to the center of the bulge portion (130), and the pocket portion (220) is adapted to the shape of the bulge portion (130).

4. The floor drain according to claim 1 or 2, characterized in that: The water seal member (300) comprises an inner cylinder portion (310) and an outer cylinder portion (320), wherein the outer cylinder portion (320) is arranged around the inner cylinder portion (310), the highest position of the inner cylinder portion (310) is higher than the highest position of the outer cylinder portion (320), the outer cylinder portion (320) is open upward, and the outer walls of the outer cylinder portion (320) and the inner cylinder portion (310) form the water seal area (410) in the sealing cavity (110), the upper end opening of the inner cylinder portion (310) forms a water inlet (422), and the lower end opening forms the drain port (421), and the interior of the inner cylinder portion (310) forms the drain area (420).

5. The floor drain according to claim 4, characterized in that: The highest position of the outer cylinder (320) is lower than the water passage hole (120), and the position of the water inlet (422) is higher than the water passage hole (120).

6. The floor drain according to claim 4, characterized in that: The outer cylinder (320) and the first sealing member (100) are connected via threads.

7. The floor drain according to claim 1, characterized in that: The second sealing member (500) comprises a bracket (510), an elastic member (520) and a sealing member (530); the bracket (510) is connected to the water sealing member (300) via threads; the elastic member (520) is installed between the bracket (510) and the sealing member (530); the elastic member (520) applies an elastic force to the sealing member (530) to move the sealing member (530) towards the drain outlet (421); and the sealing member (530) is capable of blocking the drain outlet (421).

8. The floor drain according to claim 7, characterized in that: The sealing member (530) is provided with a sealing surface (531), the sealing surface (531) is in the form of an arc surface and protrudes towards the direction of the drain outlet (421), and the periphery of the sealing surface (531) can abut against the edge of the drain outlet (421).

9. The floor drain according to claim 1, characterized in that: It also comprises a housing seat (600) and a filter element (700); the housing seat (600) is provided with a mounting cavity (610); the first sealing element (100) is mounted in the mounting cavity (610); the water hole (120) is capable of connecting the mounting cavity (610) and the water seal area (410); the filter element (700) is mounted on the upper part of the mounting cavity (610) and sleeved on the first sealing element (100).

10. The floor drain according to claim 1, characterized in that: The first sealing component (100) is made of elastic material.

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