CN217422293U

CN217422293U - Unpowered backflow-preventing one-way valve of wet machine table

Info

Publication number: CN217422293U
Application number: CN202221065474.0U
Authority: CN
Inventors: 张文龙
Original assignee: Jiangsu Runyang Yueda Photovoltaic Technology Co Ltd
Current assignee: Jiangsu Runyang Yueda Photovoltaic Technology Co Ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-09-13
Anticipated expiration: 2032-05-06

Abstract

The utility model belongs to the technical field of wet process machine auxiliary equipment, in particular to a non-powered backflow-preventing one-way valve for a wet process machine, which comprises a shell, a floating ball and a supporting table, wherein the shell is internally provided with a liquid inlet, a backflow-preventing horn mouth, a backflow-preventing cavity and a liquid outlet which are sequentially communicated from top to bottom, and the liquid inlet and the liquid outlet are both communicated with a waste discharge pipeline of the wet process machine; the supporting table is fixedly arranged in the backflow-preventing cavity, a plurality of flow guide grooves penetrate through the supporting table and are arranged at intervals in sequence around a vertical axis, the floating ball is movably arranged in the backflow-preventing cavity and is located above the supporting table, a large opening of the backflow-preventing horn mouth faces towards the floating ball, and the diameter of the floating ball is between the inner diameter of a small opening of the backflow-preventing horn mouth and the inner diameter of the large opening of the backflow-preventing horn mouth. Has the advantages that: the one-way valve ingeniously utilizes the principle that the floating ball has larger buoyancy in liquid, and even if the amount of the liquid flowing backwards is less, the floating ball can still float upwards by virtue of the buoyancy, so that a good backflow-preventing effect is achieved.

Description

Unpowered backflow-preventing one-way valve of wet machine table

Technical Field

The utility model belongs to the technical field of wet process board auxiliary assembly, especially, relate to a wet process board is unpowered prevents flowing backward check valve.

Background

With the development of society, energy and environmental protection become two major inescapable topics. The solar cell is one of clean energy sources at present, and waste generated in the reaction in the tank body needs to be discharged into a waste water tank through a waste discharge pipeline in the wet process. At present, a waste discharge pipeline of a wet machine table which is equipped at present does not have a backflow prevention function, and a workshop with a design defect often has a phenomenon that waste liquid flows backwards, so that a groove body is directly polluted, and the quality of a product is influenced.

SUMMERY OF THE UTILITY MODEL

The wet process board that exists for solving prior art does not possess the structure of preventing flowing backwards, and the phenomenon that the waste liquid flowed backwards often appears, directly pollutes the problem of cell body, the utility model provides a wet process board is unpowered prevents flowing backwards check valve.

In order to solve the technical problem, the technical scheme adopted by the utility model is that the unpowered backflow-preventing one-way valve for the wet machine comprises a shell, a floating ball and a supporting table, wherein the shell is internally provided with a liquid inlet, a backflow-preventing horn mouth, a backflow-preventing cavity and a liquid outlet which are sequentially communicated from top to bottom, and the liquid inlet and the liquid outlet are both communicated with a waste discharge pipeline of the wet machine; the supporting table is fixedly arranged in the backflow-preventing cavity, a plurality of flow guide grooves penetrate through the supporting table and are arranged at intervals in sequence around a vertical axis, the floating ball is movably arranged in the backflow-preventing cavity and is located above the supporting table, a large opening of the backflow-preventing horn mouth faces the floating ball, and the diameter of the floating ball is between the inner diameter of a small opening of the backflow-preventing horn mouth and the inner diameter of the large opening of the backflow-preventing horn mouth.

Preferably, the supporting platform is in a cone shape, the diversion trench is formed along the wall of the supporting platform, the large end of the supporting platform faces the floating ball, and the inner diameter of the large end of the supporting platform is matched with the diameter of the floating ball. Under the normal liquid waste discharge circumstances, the waste liquid gets into from the inlet and strikes the floater on a supporting bench, and a supporting bench prevents that the floater from weighing down to the leakage fluid dram influences the flowing back, and the offering of guiding gutter does not influence the emission of waste liquid simultaneously, and a supporting bench is the cone drum shape, and the guiding gutter is offered along a supporting bench's section of thick bamboo wall, plays certain flowing back water conservancy diversion effect, effectively avoids the guiding gutter to block up, more is favorable to the waste liquid to discharge from the liquid outlet.

Further, a liquid discharge horn mouth is further formed in the shell, the backflow prevention cavity, the liquid discharge horn mouth and the liquid discharge port are sequentially communicated from top to bottom, and a large opening of the liquid discharge horn mouth faces the supporting table. The cavity and the liquid outlet are connected in a conversion mode, and the diameter of the liquid outlet is favorably set.

Preferably, the liquid inlet end and the liquid outlet end of the shell are fixedly connected with a waste discharge pipeline of the wet machine table through welding; or the liquid inlet end and the liquid outlet end of the shell are detachably connected with a waste discharge pipeline of the wet machine table. So that the one-way valve is convenient to be installed on a waste discharge pipeline of a wet machine table.

Preferably, the housing and the support are both made of PPC or pvdf. The one-way valve has the characteristics of high strength, acid and alkali resistance and prolonged service life.

Furthermore, the floating ball is a hollow ball. The floater adopts hollow design, and under the condition that takes place to flow backward, the cavity of flowing backward is prevented flowing backward from the leakage fluid dram entering, and the floater floats with the help of buoyancy, under the guide of preventing flowing backward the horn mouth, thereby reaches the effect of shutoff with preventing flowing backward the horn mouth formation good contact, prevents effectively that the waste liquid from flowing backward in the cell body of wet process board.

Has the advantages that: the unpowered backflow-preventing one-way valve for the wet machine platform has the advantages that under the condition of normal waste liquid discharge, waste liquid flows into the backflow-preventing horn mouth and the backflow-preventing cavity from the liquid inlet in sequence, the floating ball is impacted on the large-head inner wall of the supporting table, meanwhile, the waste liquid flows into the liquid discharge horn mouth and the liquid discharge port from the flow guide groove in sequence and is discharged from the liquid discharge port smoothly; when taking place to flow backward, flow backward liquid from the leakage fluid dram and flow into flowing back the horn mouth in proper order and prevent flowing backward the cavity, the floater is with the help of the buoyancy come-up, under the guide of preventing flowing backward the horn mouth, thereby form the effect that good contact reached the shutoff with preventing flowing backward the horn mouth, effectively prevent that the waste liquid from flowing backward in the cell body of wet process board, it is less to calculate the liquid volume of flowing backward, the floater still can be with the help of the buoyancy come-up, reach good effect of preventing flowing backward, ensure the cleanliness factor of the cell body of wet process board, avoid appearing polluting the loss that causes productivity and efficiency yield.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of the unpowered backflow-preventing check valve of the wet bench of the present invention, which is in a normal waste liquid discharge state;

FIG. 2 is a schematic cross-sectional view of the unpowered reverse flow prevention check valve of the wet bench of the present invention, which is in a reverse flow state;

FIG. 3 is a schematic diagram of a three-dimensional explosion of the unpowered backflow-preventing check valve of the wet bench of the present invention;

in the figure: 1. the device comprises a shell, 11, a liquid inlet, 12, a backflow prevention bell mouth, 13, a backflow prevention cavity, 14, a liquid discharge bell mouth, 15, a liquid discharge port, 2, a floating ball, 3, a support table, 31 and a diversion trench.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1 to 3, the unpowered backflow-preventing check valve for the wet machine comprises a housing 1, a floating ball 2 and a supporting table 3, wherein the housing 1 and the supporting table 3 are both made of PPC or pvdf, the housing 1 is internally provided with a liquid inlet 11, a backflow-preventing bell mouth 12, a backflow-preventing cavity 13 and a liquid outlet 15 which are sequentially communicated from top to bottom, and the liquid inlet 11 and the liquid outlet 15 are both communicated with a waste discharge pipeline of the wet machine; the supporting table 3 is fixedly arranged in the backflow-preventing cavity 13, a plurality of flow guide grooves 31 penetrate through the supporting table 3, the flow guide grooves 31 are arranged at intervals around a vertical axis in sequence, the floating ball 2 is movably arranged in the backflow-preventing cavity 13, the floating ball 2 is located above the supporting table 3, the floating ball 2 is a hollow ball, a large opening of the backflow-preventing horn mouth 12 faces the floating ball 2, and the outer diameter of the floating ball 2 is between the inner diameter of a small opening and the inner diameter of a large opening of the backflow-preventing horn mouth 12.

For smoother liquid drainage, in this embodiment, the support table 3 is in a conical cylinder shape, the flow guide groove 31 is formed along the cylinder wall of the support table 3, the large end of the support table 3 faces the floating ball 2, and the inner diameter of the large end of the support table 3 is matched with the diameter of the floating ball 2; still seted up flowing back horn mouth 14 in the shell 1, prevent flowing back cavity 13, flowing back horn mouth 14 and discharge outlet 15 from last intercommunication down in proper order, the macrostoma of flowing back horn mouth 14 is towards brace table 3.

In order to facilitate the installation of the check valve on the waste discharge pipeline of the wet machine, in this embodiment, the liquid inlet 11 and the liquid outlet 15 of the housing 1 are both fixedly connected with the waste discharge pipeline of the wet machine by welding; or the liquid inlet 11 end and the liquid outlet 15 end of the shell 1 are detachably connected with a waste discharge pipeline of the wet machine.

The working principle is as follows:

as shown in fig. 1, in the case of normal waste liquid discharge, the waste liquid flows from the liquid inlet 11 into the backflow prevention bell mouth 12 and the backflow prevention chamber 13 in sequence, and impacts the floating ball 2 on the inner wall of the large end of the support platform 3, and simultaneously flows from the diversion trench 31 into the liquid discharge bell mouth 14 and the liquid discharge port 15 in sequence, and is discharged from the liquid discharge port 15;

as shown in fig. 2, when backflow occurs, the backflow liquid flows into the liquid discharge bell mouth 14 and the backflow prevention cavity 13 from the liquid discharge port 15 in sequence, the floating ball 2 floats upwards by virtue of buoyancy, and forms good contact with the backflow prevention bell mouth 12 under the guidance of the backflow prevention bell mouth 12, so that the effect of blocking is achieved, and the waste liquid is effectively prevented from flowing backwards into the groove body of the wet machine.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe the spatial relationship of one device or feature to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a wet process board is unpowered prevents flowing backward check valve which characterized in that: the wet machine comprises a shell (1), a floating ball (2) and a support table (3), wherein a liquid inlet (11), a backflow prevention bell mouth (12), a backflow prevention cavity (13) and a liquid discharge port (15) which are sequentially communicated from top to bottom are formed in the shell (1), and the liquid inlet (11) and the liquid discharge port (15) are both communicated with a waste discharge pipeline of a wet machine table; supporting bench (3) are fixed to be set up in preventing flowing backward cavity (13), it has a plurality of guiding gutters (31) to run through on supporting bench (3), and is a plurality of guiding gutters (31) set up around vertical axis interval in proper order, floater (2) activity sets up in preventing flowing backward cavity (13), just floater (2) are located the top of supporting bench (3), prevent flowing backward bellmouth (12) the macrostoma towards floater (2), the diameter of floater (2) is preventing flowing backward between the osculum internal diameter and the macrostoma internal diameter of bellmouth (12).

2. The unpowered backflow-preventing one-way valve of the wet machine platform as claimed in claim 1, wherein: the supporting table (3) is in a cone cylinder shape, the flow guide groove (31) is formed along the cylinder wall of the supporting table (3), the large end of the supporting table (3) faces the floating ball (2), and the inner diameter of the large end of the supporting table (3) is matched with the diameter of the floating ball (2).

3. The unpowered backflow-preventing one-way valve of the wet machine platform as claimed in claim 2, wherein: still seted up flowing back horn mouth (14) in shell (1), prevent flowing back cavity (13), flowing back horn mouth (14) and leakage fluid dram (15) from last to communicating down in proper order, the macrostoma of flowing back horn mouth (14) is towards brace table (3).

4. The unpowered backflow-preventing check valve of the wet machine platform as claimed in claim 1, 2 or 3, wherein: the liquid inlet (11) end and the liquid outlet (15) end of the shell (1) are fixedly connected with a waste discharge pipeline of a wet machine table through welding; or the liquid inlet (11) end and the liquid outlet (15) end of the shell (1) are detachably connected with a waste discharge pipeline of the wet machine table.

5. The unpowered backflow-preventing check valve of the wet machine platform as claimed in claim 1, 2 or 3, wherein: the shell (1) and the support table (3) are both made of PPC or pvdf.

6. The unpowered backflow-preventing check valve of the wet machine platform as claimed in claim 1, 2 or 3, wherein: the floating ball (2) is a hollow ball.