Processing method of split type odor-resistant floor drain

Abstract

The invention relates to the technical field of industrial floor drains, in particular to a processing method of a split type odor-resistant floor drain, which comprises the following steps: a floor drain shell is internally provided with a through drainage chamber, and the drainage chamber is inwards convexly provided with a support piece; the water seal comprises a water seal upper body and a water seal lower body which are arranged in the drainage cavity in the drainage direction, and the water seal lower body is arranged on the supporting piece in a supporting mode; and the sealing ring is connected between the water seal upper body and the drainage cavity so as to seal and support the water seal upper body. The water seal is of a split structure, the upper body and the lower body of the water seal are independently placed on the supporting piece on the inner wall of the drainage cavity, and it is guaranteed that the water seal cannot fall off due to the fact that the material of the sealing ring is affected by the use environment; the water seal sealing ring only has the function of blocking a pipeline and a working area, and meanwhile the problems that due to the placement problem of the upper water seal body and the lower water seal body, products hide dirt and are not easy to clean are thoroughly solved.

Description

Technical Field

[0001] This invention relates to the field of industrial floor drain technology, and in particular to a processing method for a split-type odor-proof floor drain. Background Technology

[0002] With the continuous improvement of hygiene standards, the food industry is also raising its hygiene requirements for wastewater discharge. Currently, the floor drains circulating in the market are not completely clean or equipped with detachable water seals. The current floor drains have various styles, and most of the components are assembled by welding.

[0003] The specific hygiene hazards and inconveniences in use are as follows: 1. There are too many welds on the main body of the floor drain, and the welds pose hygiene (accumulation of dirt and grime) and production hazards (incomplete welds, welding pores); 2. In the floor drain, the water seal is divided into upper and lower parts. The current water seal is placed by contacting the support sealing ring through the edge of the upper part. Therefore, the upper and lower parts of the water seal are fixed by welding and are not easy to clean. Alternatively, they are connected by bolts and nuts to solve the problem of disassembly and cleaning. However, the threads at the connection point still accumulate dirt and grime, which cannot meet the high standard of hygiene requirements. For example, the connecting ribs and connecting rods of the floor drain disclosed in Chinese patent CN210797817U are prone to accumulating dirt and grime; 3. Moreover, the support sealing ring needs to support the water seal. For example, the solution disclosed in Chinese patent CN114439095A for a clean floor drain has the risk that the water seal may fall off the support sealing ring due to the rubber material properties of the support sealing ring. In actual use, such problems occur frequently in acidic, alkaline, or high-temperature environments. Summary of the Invention

[0004] In this section, as well as in the abstract and title of this application, some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract, and the title of this application, and such simplifications or omissions shall not be used to limit the scope of the invention.

[0005] To address the shortcomings of existing technologies, one objective of this invention is to provide a processing method for a split-type odor-proof floor drain.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a processing method for a split-type odor-proof floor drain, comprising: a floor drain shell having a through drainage chamber therein, wherein a support member is provided protruding inward from the drainage chamber; a water seal comprising an upper water seal body and a lower water seal body disposed separately in the drainage chamber along the drainage direction, wherein the lower water seal body is supported on the support member; and a sealing ring connecting the upper water seal body and the drainage chamber to form a seal and support for the upper water seal body.

[0007] As a preferred embodiment of the split-type odor-proof floor drain of the present invention, wherein: the lower water seal body includes a water-holding chamber with an upward opening and a first outward-curving edge, and a drain outlet is provided on the side wall of the water-holding chamber; the upper water seal body includes a water inlet with an upward opening and a second outward-curving edge, and a water outlet extending below the drain outlet; the first outward-curving edge is supported and placed on the support member, and the sealing ring is supported and placed on the first outward-curving edge.

[0008] As a preferred embodiment of the split-type odor-proof floor drain of the present invention, wherein: the sealing ring has a notch on the side facing the inner wall of the drainage chamber, and the sealing ring has a sealing groove on the side facing the water seal upper body that is adapted to the second outward flange.

[0009] As a preferred embodiment of the split-type odor-proof floor drain of the present invention, the notch is provided in no less than two sets.

[0010] As a preferred embodiment of the split-type odor-proof floor drain of the present invention, wherein the cross-sectional dimensions of at least two sets of the notches gradually decrease from bottom to top.

[0011] As a preferred embodiment of the split-type odor-proof floor drain of the present invention, the material density of the sealing rings located on both sides of any one set of notches gradually increases from bottom to top.

[0012] As a preferred embodiment of the split-type odor-proof floor drain of the present invention, wherein: the side of the sealing ring facing the water seal upper body is separated by the sealing groove to form a first connecting section and a second connecting section distributed from top to bottom; the inner diameter of the second connecting section is larger than the inner diameter of the first connecting section.

[0013] As a preferred embodiment of the split-type odor-proof floor drain of the present invention, wherein: the top of the first connecting section near the center of the drainage chamber is provided with an angled groove.

[0014] As a preferred embodiment of the split-type odor-proof floor drain of the present invention, wherein: the outer edge of the second outward-curving edge extends upward and is provided with a first protrusion.

[0015] As a preferred embodiment of the split-type odor-proof floor drain of the present invention, the cross-sectional dimension of the inner wall of the drainage chamber gradually decreases along the drainage direction; or / and the side of the sealing ring facing the inner wall of the drainage chamber gradually increases along the drainage direction.

[0016] As a preferred embodiment of the split-type odor-proof floor drain of the present invention, the floor drain housing includes a square water inlet located at the top and communicating with the drainage chamber, and the cross-section of the inner wall of the drainage chamber is circular; the floor drain housing located above the support member is integrally formed.

[0017] As a preferred embodiment of the split-type odor-proof floor drain of the present invention, wherein: a second protrusion is provided at the center of the bottom of the water tank.

[0018] As a preferred embodiment of the split-type odor-proof floor drain of the present invention, it further includes a debris basket that is supported and placed between the square water inlet and the drainage chamber and is provided with a water leakage hole. The debris basket has an upward opening and its cross-sectional size gradually increases in the direction of the opening.

[0019] The beneficial effects of the split-type odor-proof floor drain of the present invention are as follows: By adopting a split structure for the water seal, the upper and lower parts of the water seal are placed separately on the support members on the inner wall of the drainage chamber, ensuring that the water seal will not fall off due to the influence of the sealing ring material on the usage environment; the water seal sealing ring only serves to block the pipe from the working area, and at the same time completely solves the problems of dirt and grime accumulation and difficulty in cleaning caused by the need for welding (non-removable) or bolt connection (removable) for the upper and lower parts of the water seal due to placement issues.

[0020] To address the shortcomings of existing technologies, another objective of this invention is to provide a processing method for a split-type odor-proof floor drain.

[0021] To achieve the above objectives, the present invention adopts the following technical solution: a processing method for a split-type odor-proof floor drain, comprising: integrally processing a stainless steel sheet into a floor drain shell with a drainage chamber; extruding the floor drain shell from the outside to the inside to form a support member; supporting and placing a lower water seal body on the support member; fitting a sealing ring onto the upper water seal body and supporting and placing it on the lower water seal body; and pressing the sealing ring to form a seal between it and the drainage chamber.

[0022] The beneficial effects of the processing method of the split-type odor-proof floor drain of the present invention are as follows: there are no splicing welds on the floor drain shell above the support member, which reduces the hygiene problems caused by splicing welds on the shell above the water seal; below the water seal, due to the isolation of the water seal, welds may exist considering the processing cost. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a cross-sectional structural diagram of Embodiment 1 of the present invention.

[0025] Figure 2 This is a three-dimensional structural diagram of the water seal upper body shown in Embodiment 2 of the present invention.

[0026] Figure 3 This is a three-dimensional structural diagram of the lower body of the water seal as shown in Embodiment 2 of the present invention.

[0027] Figure 4 This is an enlarged cross-sectional view of the sealing ring structure shown in Embodiment 2 of the present invention.

[0028] Figure 5 This is an enlarged cross-sectional structural diagram of one embodiment of the sealing ring shown in Embodiment 3 of the present invention.

[0029] Figure 6 This is an enlarged cross-sectional structural diagram of another embodiment of the sealing ring shown in Embodiment 3 of the present invention.

[0030] Figure 7 This is an enlarged cross-sectional view of the sealing ring shown in Embodiment 4 of the present invention.

[0031] Figure 8 This is an enlarged cross-sectional structural diagram of one embodiment of the sealing ring shown in Embodiment 6 of the present invention.

[0032] Figure 9 This is an enlarged cross-sectional view of another embodiment of the sealing ring shown in Embodiment 6 of the present invention.

[0033] Figure 10 This is a schematic diagram of the assembly process between the sealing ring and the upper body of the water seal as shown in Embodiment 6 of the present invention.

[0034] Figure 11 This is a schematic cross-sectional view of Embodiment 5 of the present invention.

[0035] Figure 12 This is an enlarged cross-sectional structural diagram of one embodiment of the sealing ring shown in Embodiment 7 of the present invention.

[0036] Figure 13 This is an enlarged cross-sectional structural diagram of another embodiment of the sealing ring shown in Embodiment 7 of the present invention.

[0037] Figure 14 This is an enlarged cross-sectional view of the sealing ring structure shown in Embodiment 8 of the present invention.

[0038] Figure 15 This is a schematic cross-sectional view of Embodiment 9 of the present invention.

[0039] Figure 16 This is a schematic diagram of the exploded structure shown in Embodiment 9 of the present invention. Detailed Implementation

[0040] To make the objectives, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0041] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0042] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0043] Example 1

[0044] Reference Figure 1 This is the first embodiment of the present invention, which provides a processing method for a split-type odor-proof floor drain that can achieve water seal separation and complete cleanliness. It includes: a floor drain housing 100, a water seal 300, and a sealing ring 400. The floor drain housing 100 is processed from sheet materials such as stainless steel. The water seal 300 is located inside the floor drain housing 100. The sealing ring 400 can be made of rubber, preferably an oil-resistant, corrosion-resistant, and high- and low-temperature resistant rubber material, such as EPDM rubber. The outer dimensions of the sealing ring 400 are slightly larger than the dimensions at the installation position on the inner wall of the floor drain housing 100, and it is used for sealing between the water seal 300 and the floor drain housing 100.

[0045] Specifically, the drain housing 100 has a through-hole drainage chamber 101, which is provided to facilitate the discharge of sewage. A support member 200 protrudes inward from the drainage chamber 101. The support member 200 can be integrally formed by pressing the outer shell of the drain housing 100 inward; or it can be fixed to the inner wall of the drainage chamber 101 by welding, bolting, or other methods. Preferably, the support member 200 is arranged in a complete ring inside the drainage chamber 101, and is formed by the inward recess of the outer shell of the drain housing 100 to form an integral support groove, which facilitates stable support and forms a complete seal with the sealing ring 400. Of course, in some embodiments, only a few sets of support members 200 are provided at the same height, which support the lower body of the water seal 302.

[0046] Furthermore, the water seal 300 includes an upper water seal body 301 and a lower water seal body 302 disposed separately in the drainage chamber 101 along the drainage direction, with the lower water seal body 302 supported on the support member 200; a sealing ring 400 is connected between the upper water seal body 301 and the drainage chamber 101 to form a seal and support for the upper water seal body 301.

[0047] like Figure 1As shown, multiple sets of support members 200 can be arranged along the drainage direction. The lower water seal body 302 is supported on the lower support member 200; the upper water seal body 301 and the sealing ring 400 are supported on the upper support member 200, thus achieving a connectionless connection between the upper water seal body 301 and the lower water seal body 302, preventing dirt and grime buildup at the connection point. Specifically, the sealing ring 400 is set on the support member 200 and presses against the inner wall of the drainage chamber 101 to form a seal, while also supporting the upper water seal body 301, achieving a connectionless installation between the lower water seal body 302 and the upper water seal body 301.

[0048] Example 2

[0049] Reference Figures 2-4 This is the second embodiment of the present invention. Unlike the previous embodiment, this embodiment provides a first outward flange S1 and a second outward flange S2, which solves the problem that the water seal may fall off the support sealing ring 400 due to the characteristics of the rubber material of the support sealing ring 400.

[0050] Specifically, the lower water seal 302 includes a water-holding chamber 302a with an upward-facing opening and a first outward-curving edge S1. The side wall of the water-holding chamber 302a is provided with a drain outlet 302b. The water-holding chamber 302a is used to store a certain amount of water. When the upper water seal 301 is sealed with the inner wall of the drain housing 100, the water in the water-holding chamber 302a can isolate the upper part of the upper water seal 301 from the lower water seal 302 to form a water seal, thereby blocking odors. Excess water in the water-holding chamber 302a is discharged in time through the drain outlet 302b provided on the side wall of the water-holding chamber 302a. The drain outlet 302b on the side wall can prevent a large amount of stored water from overflowing from the opening above the water-holding chamber 302a.

[0051] The water seal upper body 301 includes an inlet 301a with an upward opening and a second outwardly turned edge S2, and an outlet 301b extending below the drain outlet 302b. Wastewater enters the water seal upper body 301 through the drain chamber 101 from the inlet 301a and enters the water holding tank 302a through the outlet 301b, which is lower than the drain outlet 302b.

[0052] In this embodiment, only one set of support member 200 is provided. The first outward flange S1 is supported and placed on the support member 200, which facilitates installation, disassembly and cleaning. The sealing ring 400 is supported and placed on the first outward flange S1 and forms a seal with the inner wall of the drainage chamber 101. Since the support member 200 and the first outward flange S1 are both made of hard materials, they will not easily be subjected to high temperature or corrosion and will not undergo large deformation. Therefore, they can provide stable support for the sealing ring 400 and prevent the sealing ring 400 from falling off. The second outward flange S2 of the water seal upper body 301 is supported and placed on the sealing ring 400. When the sealing ring 400 is stably supported, the second outward flange S2 on it will also be stably supported.

[0053] This not only enables the simultaneous support and installation of the lower water seal 302 and the upper water seal 301 using a set of support members 200, but also ensures that the lower water seal 302 and the upper water seal 301 are not directly connected; the sealing ring 400 is interference-fitted with the inner wall of the drainage chamber 101 to form a seal and clamping force, and the weight of the upper water seal 301 further compresses the sealing ring 400 to fix the installation position of the lower water seal 302.

[0054] The rest of the structure is the same as in Example 1.

[0055] Example 3

[0056] Reference Figures 5-6 This is the third embodiment of the present invention. Unlike the previous embodiment, this embodiment provides a notch 401 and a sealing groove 402 on the sealing ring 400, which achieves a better sealing effect.

[0057] Specifically, the sealing ring 400 has a notch 401 on the side facing the inner wall of the drainage chamber 101. By setting the notch 401, the sealing ring 400 facing the inner wall of the drainage chamber 101 is divided into multiple layers. In this way, if the upper layer of the sealing ring 400 is corroded by high temperature or a certain layer is broken, the remaining layers can still form a seal with the drainage chamber 101 through an interference fit, thereby improving the fault tolerance rate and extending the service life. On the other hand, by setting the notch 401, the contact area can be reduced and the deformation can be greater, which reduces the frictional resistance when the interference-fitted sealing ring 400 is installed from the inlet of the drainage chamber 101 to the support member 200, making installation easier.

[0058] Furthermore, the sealing ring 400 has a sealing groove 402 on the side facing the water seal upper body 301 that is adapted to the second outward flange S2. By setting the sealing groove 402, the sealing effect between the sealing ring 400 and the water seal upper body 301 is improved. Setting the sealing groove 402 on the side can prevent dirt and grime from accumulating in the gap formed between the second outward flange S2 and the sealing groove 402 when it is set on the top. With the sealing groove 402 set on the side, the contact position between the top of the sealing ring 400 and the sewage can be set flat, so that dirt will not accumulate and form an unpleasant odor.

[0059] Better, such as Figure 6 As shown, there are at least two sets of notches 401 to further improve the fault tolerance of the seal. However, setting too many notches 401 will relatively increase the overall thickness of the sealing ring 400, increase material consumption, and also increase processing costs. Therefore, it is preferable to set three sets of notches 401.

[0060] The rest of the structure is the same as in Example 2.

[0061] Example 4

[0062] Reference Figure 7This is the fourth embodiment of the present invention. In this embodiment, the cross-sectional size of the notch 401 gradually decreases from bottom to top, which solves the problem of the top of the sealing ring 400 being squeezed and protruding, thus forming a gap with the drainage chamber 101 and accumulating dirt.

[0063] Specifically, the cross-sectional dimension of the notch 401 refers to the area of ​​the cross-section, which gradually decreases from bottom to top. The portion of the sealing ring 400 located on both sides of the notch 401 is the sealing part 401a. Preferably, the cross-sectional dimension of the lower sealing part 401a matches the cross-sectional dimension of the upper notch 401. Thus, when the sealing ring 400 is supported on the support member 200, the lower sealing part 401a will deform under pressure to fill the upper notch 401, preventing the uppermost sealing part 401a from receiving excessive accumulated pressure and deforming. Figure 6 The protrusion shown is too large, and the uppermost sealing part 401a is prone to forming a large gap between it and the inner wall of the drainage chamber 101. Avoiding the formation of large gaps can effectively prevent the problem of dirt and grime accumulation.

[0064] like Figure 7 As shown (interference is used to illustrate the interference fit in the figure for ease of showing the size), when the cross-sectional dimensions of each sealing part 401a are adapted to the cross-sectional dimensions of the uppermost notch 401, the lateral dimensions of each set of notches 401 can be set to be the same, while the longitudinal dimensions of each notch 401 are gradually reduced from bottom to top, and vice versa. In this way, when the sealing ring 400 is supported on the support member 200, the lower sealing part 401a has enough space to fill into the upper notch 401 after being compressed and deformed, and the cumulative pressure applied to the uppermost sealing part 401a is minimized. The uppermost sealing part 401a is basically only deformed by itself being compressed by the drainage chamber 101, so the gap formed between it and the inner wall of the drainage chamber 101 is small and it is not easy for dirt to accumulate.

[0065] The rest of the structure is the same as in Example 3.

[0066] Example 5

[0067] Reference Figure 11 This is the sixth embodiment of the present invention. Unlike the previous embodiment, in this embodiment, the material density of the sealing rings 400 located on both sides of any set of notches 401 gradually increases from bottom to top, providing another solution for the sealing rings 400 to form gaps with the drainage chamber 101 by extruding the top protrusions and trapping dirt.

[0068] To further reduce the gap formed by the compression between the uppermost sealing part 401a and the inner wall of the drainage chamber 101, the interference dimension between the sealing part 401a and the inner wall of the drainage chamber 101 can be appropriately reduced, that is, the maximum diameter of the sealing part 401a can be reduced. Since reducing the maximum diameter of the sealing part 401a will reduce the sealing effect while reducing the compression force and shrinking the gap, the thickness can also be increased while reducing the maximum diameter of the sealing part 401a to provide a continuous and stable compression sealing effect. When the thickness of the sealing part 401a is increased, the edge part of the sealing part 401a will be squeezed and bulged, and it will form a new groove for accumulating dirt and grime between itself and the inner wall of the drainage chamber 101.

[0069] Preferably, without increasing the thickness of the uppermost sealing part 401a, in order to improve the compression sealing effect, the material density can be appropriately increased relative to the lower sealing part 401a to provide greater elasticity at the same deformation size and maintain the sealing effect.

[0070] Furthermore, when the cross-sectional dimensions of each group of notches 401 are set to be the same, the material density of the sealing rings 400 on both sides of any group of notches 401 can be set to gradually increase from bottom to top, that is, the material density of each group of sealing parts 401a gradually increases from bottom to top. In this way, the deformation of the upper sealing part 401a under compression will not accumulate too much, so as to ensure that the gap between the uppermost sealing part 401a and the inner wall of the drainage chamber 101 will not be too large to form dirt and grime.

[0071] The rest of the structure is the same as in Example 3.

[0072] Example 6

[0073] Reference Figures 8-10 This is the sixth embodiment of the present invention. Unlike the previous embodiment, this embodiment provides a first connecting section 403 and a second connecting section 404, which solves the problem of inconvenient assembly between the water seal upper body 301 and the sealing ring 400.

[0074] Specifically, the sealing ring 400 facing the water seal upper body 301 is separated by the sealing groove 402 to form a first connecting section 403 and a second connecting section 404 distributed from top to bottom. The inner diameter of the second connecting section 404 is larger than the inner diameter of the first connecting section 403.

[0075] Since the sealing groove 402 is located inside the sealing ring 400, the second outward flange S2 can be installed from the inner ring side of the first connecting section 403 towards the second connecting section 404. After the second outward flange S2 is opened and passes through the first connecting section 403, it will be blocked by the second connecting section 404. At this time, the position where the second outward flange S2 is blocked is exactly at the sealing groove 402. Therefore, it is easy to align the second outward flange S2 with the opening of the sealing groove 402 and insert it to complete the installation. The size of the sealing groove 402 is set slightly smaller than the size of the second outward flange S2 for better sealing effect. In order to facilitate the disassembly and assembly of the water seal upper body 301, a pull rod 301d can be set on the side of the water seal upper body 301 near the water inlet 301a. When welding the pull rod 301d to the water seal upper body 301, a full weld is required, and a circle of weld is welded at the connection to reduce the formation of weld seams.

[0076] Furthermore, the top of the first connecting section 403 near the center of the drainage chamber 101 is provided with an angled groove 403a. By setting the angled groove 403a, not only can the flow area between the sealing ring 400 and the debris basket 500 be increased after the debris basket 500 is installed, facilitating the rapid discharge of sewage; at the same time, the shape of the angled groove 403a makes it easy for the second outward flange S2 to squeeze and expand the sealing ring 400 from top to bottom, facilitating the assembly of the second outward flange S2. In addition, after the assembly between the sealing ring 400 and the second outward flange S2 is completed, the sealing groove 402 is set at an angle below the upper body of the water seal 301, and the sewage flows directly from the outlet 301b into the water tank 302a through the second outward flange S2 after passing through the angled groove 403a, without entering the sealing groove 402.

[0077] Preferably, a first protrusion 301c extends upward from the outer edge of the second outward-facing edge S2. Since the second outward-facing edge S2 is obliquely oriented, the upward extension of the first protrusion 301c from its outer edge increases the gripping force between the second outward-facing edge S2 and the sealing ring 400, making it less prone to detachment. Figure 10 As shown, during installation, the first connecting section 403 of the sealing ring 400 is placed on the water seal upper body 301 from the outlet 301b end with the first connecting section 403 facing upwards. Then, the sealing ring 400 is pushed upwards until the obliquely set angled groove 403a and the similarly obliquely set second outward flange S2 come into contact, squeeze, and expand. Then, the second outward flange S2 passes through the first connecting section 403 and is blocked by the second connecting section 404. Next, the sealing ring 400 and the water seal upper body 301 are moved relative to each other, so that the second outward flange S2 expands the sealing groove 402. When the sealing groove 402 is expanded to match the size of the first protrusion 301c, the first protrusion 301c enters the sealing groove 402 to form a seal, completing the assembly between the sealing ring 400 and the second outward flange S2.

[0078] The remaining structure is the same as in Example 4 or 5.

[0079] Example 7

[0080] Reference Figures 12-13 This is the seventh embodiment of the present invention. Unlike the previous embodiment, this embodiment defines the dimensional relationship between the sealing ring 400 and the inner wall of the drainage chamber 101, which solves the problem that the sealing ring 400 is inconvenient to install to the support member 200 through the drainage chamber 101.

[0081] Specifically, the sealing ring 400 needs to be assembled with the water seal upper body 301 before being placed on the first outwardly turned edge S1 supported on the support member 200. To ensure a tight seal between the sealing ring 400 and the inner wall of the drainage chamber 101, the outer diameter of the sealing ring 400 needs to be slightly larger than the inner wall of the drainage chamber 101 to form a compression seal. However, when the inner wall of the drainage chamber 101 is cylindrical and matches the shape of the sealing ring 400, the sealing ring 400 will experience continuous compression and friction as it moves from the opening of the drainage chamber 101 towards the support member 200, creating significant resistance.

[0082] Therefore, the cross-sectional dimension of the inner wall of the drainage chamber 101 can be gradually reduced along the installation direction, so that the frictional resistance encountered by the sealing ring 400 during its installation and movement from the opening of the drainage chamber 101 to the support member 200 gradually increases from a small value until the sealing ring 400 obtains the maximum compressive force when it is placed on the first outward flange S1. This not only ensures the sealing effect at the installation position, but also facilitates installation. Figure 12 As shown (for ease of showing the size, interference is used to indicate the interference fit in the figure), the inner wall of the drainage chamber 101 can be molded, that is, the cross-sectional size of the inner wall of the drainage chamber 101 continuously increases from the opening of the drainage chamber 101 to the support member 200, and the resistance encountered by the sealing ring 400 during installation gradually increases.

[0083] Optionally, the cross-sectional dimensions of the inner wall of the drainage chamber 101 can be gradually reduced along the installation direction, such as... Figure 13 As shown (interference is used to illustrate the interference fit in the figure for ease of showing dimensions), the inner wall of the drainage chamber 101 includes at least a larger mounting section T1 and a sealing section T2 that is adapted to and pressed against the sealing ring 400. The height of the mounting section T1 is generally set to be greater than the height of the sealing section T2, and the height of the sealing section T2 is not less than the total thickness of the sealing ring 400 to achieve a stable seal and prevent the sealing ring 400 from being too high and forming a groove for dirt and grime to accumulate on the inner wall of the drainage chamber 101. Preferably, the connection surface between the mounting section T1 and the sealing section T2 can be transitioned by a slope so that sewage can directly flush away waste and impurities, preventing dirt and grime accumulation.

[0084] The rest of the structure is the same as in Example 6.

[0085] Example 8

[0086] Reference Figure 14 This is the eighth embodiment of the present invention. Unlike the previous embodiment, this embodiment provides the dimensional relationship of the sealing ring 400, and provides another solution to the problem that the sealing ring 400 is inconvenient to install.

[0087] Specifically, the sealing ring 400 gradually increases in size along the drainage direction on the side facing the inner wall of the drainage chamber 101. For example... Figure 14 As shown (interference is used to illustrate the interference fit for easier size representation), on the side of the sealing ring 400 facing the inner wall of the drainage chamber 101, the outer diameter of each sealing part 401a gradually decreases from bottom to top, and the lower sealing part 401a is slightly larger than the upper notch 401. This effectively reduces the contact area between the sealing ring 400 and the inner wall of the drainage chamber 101, thereby reducing sliding friction resistance. When the sealing ring 400 is placed on the first outward-facing edge S1, the lower sealing part 401a fills the notch 401 and then compresses the upper sealing part 401a through compression. This additional compression force compensates for the insufficient compression deformation between the upper sealing part 401a and the inner wall of the drainage chamber 101. By compressing the sealing part 401a upwards, it is pressed against the inner wall of the drainage chamber 101, forming a stable seal. It is worth noting that, to further reduce the frictional resistance experienced by the sealing ring 400 during assembly, a lubricant such as petroleum jelly can be applied to the outside of the sealing ring 400 to reduce sliding friction.

[0088] The remaining structure is the same as in Example 7.

[0089] Example 9

[0090] Reference Figures 15-16 This is the ninth embodiment of the present invention. Unlike the previous embodiment, this embodiment provides a specific shape and processing technology for the drain shell 100, which solves the problem of dirt and grime accumulation at the weld seam.

[0091] Specifically, the drain housing 100 includes a square inlet 101a located at the top and communicating with the drainage chamber 101. The square inlet 101a facilitates adaptation to the ground foundation and promotes drainage. The inner wall of the drainage chamber 101 has a circular cross-section, allowing for easy adaptation to the sealing ring 400, ensuring consistent sealing across all angles and eliminating dead zones. To reduce water accumulation and ensure efficient drainage, the internal radius of the water seal upper body 301 in industrial drains used in the food industry is generally set to be no less than 50mm.

[0092] Preferably, the cross-sectional area of ​​the flow in the drainage direction can be slightly increased to ensure timely water flow without blockage. For example, the cross-sectional area of ​​the flow within the upper water seal 301, the flow between the upper water seal 301 and the water tank 302a, the flow between the drain outlet 302b, the flow between the lower water seal 302 and the inner wall of the drainage chamber 101, and the final outlet of the drainage chamber 101 can be gradually increased, with the increase set at approximately 5%. In this way, the dimensions of the upper water seal 301, lower water seal 302, etc., can be designed based on the overall dimensions of the drain housing 100 to achieve the best sewage discharge effect.

[0093] Furthermore, the drain shell 100 located above the support member 200 is integrally machined. In order to prevent the risk of dirt and grime accumulating in gaps such as splicing welds, it is preferable to integrally machine the drain shell 100 above the support member 200, forming a square inlet 101a and a circular drainage chamber 101 by die casting, while the support member 200 is formed by extruding and deforming inward with external instruments to form an annular support protrusion.

[0094] It also includes a debris basket 500 that is supported between the square water inlet 101a and the drainage chamber 101 and has a water leakage hole 501. The debris basket 500 can be detachably placed on the top of the drain housing 100 and can filter out debris from the sewage. The filtered sewage flows into the water seal upper body 301 through the water leakage hole 501.

[0095] Furthermore, the bottom and side walls of the waste basket 500 are provided with drainage holes 501. This way, when the drainage hole 501 at the bottom of the waste basket 500 is blocked by debris, the drainage hole 501 on the side wall can still drain water, which can extend the cycle of cleaning the waste basket 500 each time.

[0096] Furthermore, the opening of the waste basket 500 faces upwards, and its cross-sectional dimensions gradually increase towards the opening. This means the bottom of the waste basket 500 is essentially converging towards the center, thus increasing the flow cross-sectional area near the sealing ring 400 and the second outward-facing edge S2 on the bottom of the outer wall of the waste basket 500, thereby improving drainage efficiency. In addition, the drainage holes 501 on the side wall of the waste basket 500 are also angled, so when sewage flows into the waste basket 500, most of it will be discharged directly through the drainage holes 501 on the side wall; instead of flowing into the bottom of the waste basket 500 first, and only after the water overflows the drainage holes 501 on the side wall will they function to drain. This design further improves drainage efficiency.

[0097] Preferably, a second protrusion 302c is provided at the bottom center of the water-holding tank 302a, protruding upwards. Since floor drains are generally installed in corners or connected to ditches or pipes in a certain direction, sewage usually flows into the drainage chamber 101 from one side. The second protrusion 302c allows the water to flow in from one side and then flow circumferentially, which can increase the overall flow of water in the water-holding tank 302a, facilitating the drainage of accumulated water; and when the sewage flows in one direction as a whole, it can reduce the disturbance of water flow in different directions, thereby increasing the flow velocity and improving drainage efficiency.

[0098] The rest of the structure is the same as in Example 8.

[0099] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A split-type odor-proof floor drain, characterized in that: include, The drain housing (100) has a through drainage chamber (101) inside, and a support member (200) is provided inwardly protruding from the drainage chamber (101). A water seal (300) includes an upper water seal body (301) and a lower water seal body (302) disposed separately in a drainage chamber (101) along the drainage direction, the lower water seal body (302) being supported on the support member (200); and, A sealing ring (400) is connected between the water seal upper body (301) and the drainage chamber (101) to form a seal and support for the water seal upper body (301).

2. The split-type odor-proof floor drain as described in claim 1, characterized in that: The lower body of the water seal (302) includes a water-holding tank (302a) with an upward opening and a first outward flange (S1), and a drain outlet (302b) is provided on the side wall of the water-holding tank (302a). The water seal upper body (301) includes an inlet (301a) with an upward opening and a second outward flange (S2), and an outlet (301b) extending below the drain (302b). The first outward flange (S1) is supported on the support member (200), and the sealing ring (400) is supported on the first outward flange (S1).

3. The split-type odor-proof floor drain as described in claim 2, characterized in that: The sealing ring (400) has a notch (401) on the side facing the inner wall of the drainage chamber (101), and the sealing ring (400) has a sealing groove (402) that matches the second outward flange (S2) on the side facing the water seal upper body (301).

4. The split-type odor-proof floor drain as described in claim 3, characterized in that: The notch (401) is provided in no fewer than two sets.

5. The split-type odor-proof floor drain as described in claim 4, characterized in that: The cross-sectional dimensions of at least two sets of the notches (401) gradually decrease from bottom to top.

6. The split-type odor-proof floor drain as described in claim 4, characterized in that: The material density of the sealing rings (400) located on both sides of any set of notches (401) gradually increases from bottom to top.

7. The split-type odor-proof floor drain as described in any one of claims 3 to 6, characterized in that: The sealing ring (400) facing the water seal upper body (301) is separated by the sealing groove (402) to form a first connecting section (403) and a second connecting section (404) distributed from top to bottom. The inner diameter of the second connecting segment (404) is larger than the inner diameter of the first connecting segment (403).

8. The split-type odor-proof floor drain as described in claim 7, characterized in that: The first connecting section (403) has an angled groove (403a) on the top of the side near the center of the drainage chamber (101).

9. The split-type odor-proof floor drain as described in claim 2, characterized in that: The cross-sectional dimension of the inner wall of the drainage chamber (101) gradually decreases along the drainage direction; or / and the side of the sealing ring (400) facing the inner wall of the drainage chamber (101) gradually increases along the drainage direction.

10. The split-type odor-proof floor drain as described in any one of claims 2 to 6 or 8 and 9, characterized in that: The drain housing (100) includes a square inlet (101a) located at the top and communicating with the drain chamber (101), and the inner wall of the drain chamber (101) has a circular cross-section. The drain housing (100) located above the support (200) is integrally machined.

11. The split-type odor-proof floor drain as described in claim 10, characterized in that: The water tank (302a) has a second protrusion (302c) protruding upward from the center of its bottom.

12. The split-type odor-proof floor drain as described in claim 10, characterized in that: It also includes a debris basket (500) that is placed between the square inlet (101a) and the drainage chamber (101) and is provided with a drain hole (501). The debris basket (500) has an upward opening and its cross-sectional dimensions gradually increase in the direction of the opening.

13. A processing method for a split-type odor-proof floor drain, characterized in that: include, The stainless steel sheet is integrally machined into a drain shell (100) with a drainage chamber (101). The support component (200) is formed by extrusion from the outside to the inside of the drain housing (100). The lower water seal body (302) is supported and placed on the support member (200); The sealing ring (400) is fitted onto the upper body (301) of the water seal and supported on the lower body (302); Tighten the sealing ring (400) to form a seal between it and the drain chamber (101).

Images