Novel seawater backflow prevention floor drain

Abstract

The utility model belongs to the technical field of ship assembly fitting application, and particularly discloses a novel seawater backflow prevention floor drain which comprises a cylindrical shell, a cylindrical shell thread groove, an arc-shaped transition shell, a water outlet, a supporting and fixing plate, a transition hollow sealing sleeve with external threads, a round limiting plate, a funnel plate, a plurality of funnel plate through holes, a round ball and the like. The novel seawater backflow prevention floor drain has the advantages that the overall structure is of a combined type and is reasonable in design, single components can be conveniently and respectively manufactured, assembled and used, and the novel seawater backflow prevention floor drain is convenient to disassemble, replace and clean and high in practicability; the cylindrical shell, the arc-shaped transition shell, the round ball, the round through groove, the conical ball limiting groove and the like are used in cooperation, when seawater flows back, the round ball floats upwards and is located in the conical ball limiting groove to block the round through groove, and the purpose of blocking seawater from flowing back is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of application of ship assembly accessories, and specifically relates to a novel seawater backflow prevention floor drain, which can be used for the assembly of a drain outlet to achieve corresponding smooth drainage functions and seawater backflow prevention. Background Art

[0002] The floor drain is an important interface between the drainage pipe system and the indoor floor. As an important component of the drainage system in a house, its performance directly affects the quality of indoor air and is very important for odor control in the bathroom.

[0003] The floor drain should have four properties: fast drainage, odor prevention, anti-clogging, and easy cleaning. The floor drain used on ships should also have a corresponding anti-backflow design function, but the current traditional floor drains used on ships do not have a corresponding design, which urgently needs to be studied and solved.

[0004] Therefore, based on the above problems, the utility model provides a novel floor drain for preventing seawater backflow. Utility Model Content

[0005] Purpose of the utility model: The purpose of the utility model is to provide a new type of seawater backflow prevention floor drain in view of the deficiencies in the prior art, which solves the problems existing in the use of ship drain outlet floor drains in the background technology and realizes smooth drainage and seawater backflow prevention functions.

[0006] Technical solution: The utility model provides a new type of seawater backflow prevention floor drain, including a cylindrical shell, a cylindrical shell thread groove arranged on the inner wall of the cylindrical shell, an arc-shaped transition shell arranged on the end face of one end of the cylindrical shell, and a water outlet arranged at the connection between the cylindrical shell and the arc-shaped transition shell, and a supporting fixing plate arranged on the end face of the other end of the cylindrical shell, and a transition hollow sealing sleeve with external threads rotatably arranged in the cylindrical shell through the cylindrical shell thread groove, and a circular limiting plate arranged on the end face of one end of the transition hollow sealing sleeve with external threads, and a funnel plate arranged on the inner layer of the circular limiting plate, and a plurality of funnel plate through holes arranged in the funnel plate, and a circular sphere arranged in the transition hollow sealing sleeve with external threads and used in conjunction with the cylindrical shell.

[0007] In the technical solution, the novel seawater backflow prevention floor drain further includes a nitrile rubber gasket arranged on the connecting surface of the supporting fixing plate and the circular limiting plate.

[0008] In the technical solution, the novel floor drain for preventing seawater backflow also includes a circular spherical limiting plate arranged on the inner wall of the transition hollow sealing sleeve with an external thread, a circular through groove arranged in the symmetric center line of the circular spherical limiting plate, and a conical spherical limiting groove arranged in one side of the circular spherical limiting plate and used in conjunction with the circular through groove.

[0009] In the technical solution, the funnel plate is configured as an arc-shaped structure, and the round sphere is an EVA ball.

[0010] Compared with the prior art, the new type of anti-seawater backflow floor drain of the utility model has the following beneficial effects: 1. The overall structure is of modular design and reasonable, and the single components are easy to manufacture and assemble separately, and are also easy to disassemble, replace and clean, and are highly practical; 2. The cylindrical shell, arc-shaped transition shell, round sphere, round through groove and conical sphere limiting groove, etc. are used in conjunction with each other. When seawater flows back, the round sphere floats up and is located in the conical sphere limiting groove to block the round through groove, thereby achieving the purpose of blocking the backflow of seawater. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the explosion structure of a new type of anti-seawater backflow floor drain of the utility model;

[0013] Figure 2 It is a schematic diagram of the top view structure of a new type of anti-seawater backflow floor drain of the utility model;

[0014] Figure 3 It is a schematic AA cross-sectional structure diagram of a transition hollow sealing sleeve with external thread etc. of a new type of anti-seawater backflow floor drain of the utility model;

[0015] Figure 4 It is a schematic AA cross-sectional structure diagram of a cylindrical shell, an arc-shaped transition shell, etc. of a new type of seawater backflow prevention floor drain of the utility model;

[0016] Figure 5 It is a schematic diagram of the AA cross-sectional structure of a novel nitrile rubber gasket for preventing seawater backflow from floor drains of the utility model;

[0017] Among them, the serial numbers in the figure are as follows: 10-cylindrical shell, 11-arc-shaped transition shell, 12-cylindrical shell thread groove, 13-support fixing plate, 14-nitrile rubber gasket, 15-round sphere, 16-funnel plate, 17-funnel plate through hole, 18-transition hollow sealing sleeve with external thread, 19-round limit plate, 20-water outlet, 181-round sphere limit plate, 1810-round through groove, 1811-conical sphere limit groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] Embodiment 1

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The novel anti-seawater backflow floor drain shown in the figure comprises a cylindrical shell 10, a cylindrical shell thread groove 12 arranged on the inner wall of the cylindrical shell 10, an arc-shaped transition shell 11 arranged on the end surface of one end of the cylindrical shell 10, a water outlet 20 arranged at the connection between the cylindrical shell 10 and the arc-shaped transition shell 11, a supporting fixing plate 13 arranged on the end surface of the other end of the cylindrical shell 10, a transition hollow with external thread sealing sleeve 18 rotatably arranged in the cylindrical shell 10 through the cylindrical shell thread groove 12, and a transition hollow with external thread sealing sleeve 18 arranged at one end The circular limit plate 19 on the end face, the funnel plate 16 arranged on the inner layer of the circular limit plate 19, the plurality of funnel plate through holes 17 arranged in the funnel plate 16, and the circular sphere 15 arranged in the transition hollow with external thread sealing sleeve 18 and used in conjunction with the cylindrical shell 10; during normal use, water is discharged through the funnel plate through hole 17, the cylindrical shell 10, the arc-shaped transition shell 11, and the water outlet 20. When the seawater flows back, the circular sphere 15 floats up and blocks the inner wall of the transition hollow with external thread sealing sleeve 18, thereby preventing the seawater from flowing back through the funnel plate through hole 17.

[0022] Embodiment 2

[0023] On the basis of the first embodiment, the novel floor drain for preventing seawater backflow further includes a nitrile rubber gasket 14 arranged on the connecting surface of the supporting fixing plate 13 and the circular limiting plate 19. During assembly, the nitrile rubber gasket 14 is sleeved on the transition hollow sealing sleeve with external threads 18, so that the transition hollow sealing sleeve with external threads 18 can be rotated and fastened to the cylindrical shell 10 through the cylindrical shell thread groove 12.

[0024] Embodiment 3

[0025] On the basis of Example 1 or Example 2, the new floor drain for preventing seawater backflow also includes a circular sphere limiting plate 181 arranged on the inner wall of the transition hollow sealing sleeve 18 with an external thread, a circular through groove 1810 arranged in the symmetrical center line of the circular sphere limiting plate 181, and a conical sphere limiting groove 1811 arranged in one side of the circular sphere limiting plate 181 and used in conjunction with the circular through groove 1810. When seawater backflows, the circular sphere 15 floats and is located in the conical sphere limiting groove 1811, blocking the circular through groove 1810 to prevent seawater backflow.

[0026] In addition, the preferred funnel plate 16 is set to an arc structure, which plays a role in rapid water inlet and outlet (air can enter), and the round sphere 15 is an EVA ball, which is durable and has a long service life.

[0027] The working principle or structural principle of the new anti-seawater backflow floor drain of this structure:

[0028] Assembly: First, put the nitrile rubber gasket 14 on the transition hollow sealing sleeve with external threads 18, then place the round sphere 15 in the cylindrical shell 10, and finally align the transition hollow sealing sleeve with external threads 18 with the cylindrical shell 10, and rotate and tighten them through the cylindrical shell thread groove 12 to assemble.

[0029] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A new type of floor drain to prevent seawater backflow, characterized by: The invention comprises a cylindrical shell (10), a cylindrical shell thread groove (12) arranged on the inner wall of the cylindrical shell (10), an arc-shaped transition shell (11) arranged on the end surface of one end of the cylindrical shell (10), a water outlet (20) arranged at the connection between the cylindrical shell (10) and the arc-shaped transition shell (11), a supporting fixing plate (13) arranged on the end surface of the other end of the cylindrical shell (10), and a support plate (13) arranged on the cylindrical shell (10) through the cylindrical shell thread groove (12). A transition hollow sealing sleeve with external threads (18) in a shell (10), a circular stop plate (19) arranged on one end surface of the transition hollow sealing sleeve with external threads (18), a funnel plate (16) arranged on the inner layer of the circular stop plate (19), a plurality of funnel plate through holes (17) arranged in the funnel plate (16), and a circular sphere (15) arranged in the transition hollow sealing sleeve with external threads (18) and used in conjunction with the cylindrical shell (10).

2. A novel floor drain for preventing seawater backflow according to claim 1, characterized in that: The novel seawater backflow prevention floor drain further comprises a nitrile rubber gasket (14) arranged on the connection surface of the supporting fixing plate (13) and the circular limiting plate (19).

3. A novel floor drain for preventing seawater backflow according to claim 1 or 2, characterized in that: The novel anti-seawater backflow floor drain also includes a circular spherical limiting plate (181) arranged on the inner wall of a transitional hollow sealing sleeve (18) with an external thread, a circular through groove (1810) arranged in the symmetric center line of the circular spherical limiting plate (181), and a conical spherical limiting groove (1811) arranged in one surface of the circular spherical limiting plate (181) and used in conjunction with the circular through groove (1810).

4. The novel anti-seawater backflow floor drain according to claim 1 is characterized by: The funnel plate (16) is configured as an arc-shaped structure, and the round sphere (15) is an EVA ball.

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