TWI740685B - Adjustable venturi tube - Google Patents

Abstract

The present invention provides an adjustable Venturi tube, which includes a water outlet segment and a water inlet segment. The water outlet segment has a gas intake space therein and includes a chamber, a flow selector disposed on the chamber, and a gas intake pipe. The chamber has a gas intake opening and a plurality of liquid-gas exports, which are in spatial communication with the gas intake space. The flow selector has a plurality of selective channels respectively facing the liquid-gas exports. The gas intake pipe can be in spatial communication with the gas intake space through the gas intake opening. The water inlet segment has a space and a water channel that is in spatial communication with the space. By a relative movement between the water inlet segment and the flow selector,the space can be in spatial communication with at least one of the selective channels through the water channel, selectively.

Description

Adjustable venturi

The invention relates to a venturi, in particular to an adjustable venturi.

The internal structure of the existing venturi does not have the function of adjusting the amount of water or air intake, so the existing venturi must be designed into a variety of different types, so that it can be used in different application environments. In other words, a variety of different types of existing venturis are formed with a variety of internal structures to correspond to different application environments.

Therefore, the inventor believes that the above-mentioned shortcomings can be improved, and with great concentration of research and the application of scientific principles, we finally propose an invention with reasonable design and effective improvement of the above-mentioned shortcomings.

The embodiment of the present invention is to provide an adjustable venturi, which can effectively improve the defects that may occur in the existing venturi.

The embodiment of the present invention discloses an adjustable venturi, including: a water outlet section, including: a water separator formed with a plurality of water inlet channels; a cavity including a bottom wall and a ring connected to the bottom wall Side wall; wherein the water separator is arranged in the cavity, and an air inlet space is formed inside the water outlet section; wherein the annular side wall is formed with an air inlet communicating with the air inlet space, so The bottom wall is formed with a plurality of liquid and gas outlets, and the positions of the plurality of water inlet channels respectively correspond to the plurality of liquid and gas outlets, and each of the water inlet channels and the corresponding liquid and gas outlets are arranged at intervals And connected to the air inlet space, and the inner diameter of each of the water inlet channels is smaller than the inner diameter of the corresponding liquid and gas outlet; a water outlet pipe is connected to the bottom wall, and the water outlet pipe passes through Any one of the liquid and gas outlets communicates with the corresponding water inlet channel and the air inlet space; and an air inlet pipe connected to the annular side wall, and the air inlet pipe passes through the air inlet Connected to the air inlet space; and a water inlet section, including: a pipe body, the top inner edge of which is formed with a screw connection part; an adjustment part, which is connected to the bottom inner edge of the pipe body; The adjusting portion forms a water inlet passage, and a space surrounded by the screw connection portion can be selectively communicated through the water inlet passage through the relative movement between the water inlet section and the water divider At least one of the water inlet channels among the plurality of water inlet channels; and an inner gasket surrounding and fixed to the water inlet channel, and the inner gasket abuts against the water separator without a gap.

In summary, the adjustable venturi disclosed in the embodiment of the present invention can be configured in different ways through its structural design (such as the selective cooperation between the water inlet channel and the plurality of water inlet channels). In a water pressure environment, the physical phenomenon of the adjustable venturi's air intake can be maintained through the selection of the water inlet channel. Furthermore, the adjustable venturi can be used to provide different water flow rates to pass through, thereby having a multi-stage water flow adjustment function, thereby meeting different water flow and air intake requirements and application environments.

In order to further understand the features and technical content of the present invention, please refer to the following detailed descriptions and drawings about the present invention, but these descriptions and drawings are only used to illustrate the present invention, and do not make any claims about the protection scope of the present invention. limit.

The following are specific examples to illustrate the implementation of the "adjustable venturi" disclosed in the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to actual dimensions, and are stated in advance. The following embodiments will further describe the related technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention.

It should be understood that although terms such as "first", "second", and "third" may be used herein to describe various elements or signals, these elements or signals should not be limited by these terms. These terms are mainly used to distinguish one element from another, or one signal from another signal. In addition, the term "or" used in this document may include any one or a combination of more of the associated listed items depending on the actual situation.

Please refer to FIG. 1 to FIG. 15, which are embodiments of the present invention. As shown in FIG. 1 to FIG. 3, the present embodiment discloses an adjustable venturi 100, which is used in combination with an ozone generator (not shown in the figure), but the present invention is not limited to this. For example, the adjustable venturi 100 can also be used in an environment or equipment without any ozone generator.

As shown in Figures 4 to 7 of this embodiment, the adjustable venturi 100 includes a water outlet section 1, a water inlet section 2, and a water inlet section located between the water outlet section 1 and the water inlet section 2. The inner gasket 3 and a fixed rod 4 installed in the water outlet section 1 and the water inlet section 2, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the fixed rod 4 of the adjustable venturi 100 can be omitted or replaced with other elements (such as: the water outlet section 1 and the The water inlet section 2 is formed with a mutually engaging structure). Hereinafter, the structure of each element of the adjustable venturi 100 will be described first, and then the connection relationship between the elements will be described in a timely manner.

An air inlet space S is formed inside the water outlet section 1, and the water outlet section 1 includes a cavity 11, a water separator 12 arranged in the cavity 11, and connected to different sides of the cavity 11 A water outlet pipe 13 and an air inlet pipe 14, and a check valve 15 installed on the air inlet pipe 14. In this embodiment, the air intake space S is surrounded by the cavity 11 and the water divider 12 together, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the air intake space S may also be formed only by being surrounded by the cavity 11.

Furthermore, the cavity 11 includes a bottom wall 111 and a ring side wall 112 connected to the bottom wall 111 (peripheral edge). Wherein, the bottom wall 111 is formed with a plurality of liquid and gas outlets 113 (connecting with the air inlet space S and in a penetrating shape), and the annular side wall 112 is formed with a plurality of liquid and gas outlets 113 communicating with the air inlet space S (and in a penetrating shape). ) An air inlet 114; that is, the air inlet space S may communicate with the external space through a plurality of the liquid and gas outlets 113 and the air inlet 114.

In more detail, the annular side wall 112 is generally annular and defines an axis C perpendicular to the center of the bottom wall 111, a plurality of the liquid and gas outlets 113 are separated from each other, and a plurality of the liquid and gas outlets 113 are separated from each other. The distance between the center of the outlet 113 and the axis C is the same. In this embodiment, the plurality of liquid and gas outlets 113 are located in an area within 120 degrees of the bottom wall 111 centered on the axis C, and the plurality of liquid and gas outlets 113 have different inner diameters, but The present invention is not limited to this.

The water separator 12 is detachably installed on the ring side wall 112 and is located in the area surrounded by the bottom wall 111 and the ring side wall 112, but the water separator 12 cannot be opposite to the cavity. The body 11 rotates. In other words, the air intake space S is formed by the water separator 12, the bottom wall 111, and the annular side wall 112 in this embodiment.

Furthermore, the water separator 12 is formed with a plurality of water inlet channels 121, and the positions of the plurality of water inlet channels 121 respectively correspond to the plurality of liquid and gas outlets 113 along the direction parallel to the axis C, each The water inlet channels 121 and the corresponding liquid and gas outlets 113 are arranged at intervals and communicate with the air inlet space S, and the inner diameter of each water inlet channel 121 is smaller than its corresponding liquid and gas outlet 113 of the inner diameter. Furthermore, the water divider 12 is formed with a plurality of positioning grooves 122 outside the plurality of water inlet passages 121, each of the positioning grooves 122 is not connected to the air intake space S, and the plurality of positioning grooves The distance between 122 and the axis C is the same.

In this embodiment, the water separator 12 includes a plate body 123 mounted on the ring side wall 112 and a column 124 extending from the bottom surface of the plate body 123. Wherein, each of the water inlet channels 121 penetrates the plate body 123 and the column 124, and each of the positioning grooves 122 is recessed on the top surface of the plate body 123. To put it another way, a projection area formed by orthographic projection of the column 124 toward the top surface of the plate 123 is located inside the plurality of positioning grooves 122, but the present invention is not limited to this .

In addition, in a cross section of the water outlet section 1 perpendicular to the axis C, the cross-sectional areas of a plurality of the water inlet channels 121 are different, and the cross-sectional area of any one of the water inlet channels 121 is not equal to the other water inlet channels The sum of the cross-sectional areas of at least two of the water inlet channels 121 of 121. However, in other embodiments not shown in the present invention, in the cross section, the cross-sectional area of a plurality of the water inlet channels 121 may be the same; or, the cross-sectional area of any one of the water inlet channels 121 is equal to the other The sum of the cross-sectional areas of at least two of the water inlet channels 121.

The water outlet pipe 13 is connected to the bottom wall 111, and the water outlet pipe 13 communicates with the corresponding water inlet channel 121 and the air inlet space S through any one of the liquid and gas outlets 113. Furthermore, the outer surface of the water outlet pipe 13 is in a threaded shape, and is used to detachably connect to a corresponding water pipe (not shown in the figure).

The air inlet pipe 14 is connected to the annular side wall 112, and the air inlet pipe 14 is connected to the air inlet space S through the air inlet 114. In this embodiment, the bottom wall 111 of the cavity 11, the annular side wall 112, the water outlet pipe 13, and the air inlet pipe 14 are integrally formed in a one-piece structure, but the present invention does not Limited by this. For example, the bottom wall 111 of the cavity 11, the ring side wall 112, and the outlet pipe 13 are integrally formed in a one-piece structure, and the outlet pipe 13 is detachably connected to the outlet pipe 13 The ring sidewall 112.

Furthermore, the check valve 15 is installed in the intake pipe 14, and the check valve 15 can be used to connect to the ozone generator, so that the gas generated by the ozone generator can be The check valve 15 enters the intake space S, and the check valve 15 can prevent the gas or liquid in the intake space S from flowing to the ozone generator.

The water inlet section 2 includes a pipe body 21, an adjustment portion 22 connected to the inner edge of the pipe body 21, and a plurality of positioning components 23. Wherein, one end of the fixed rod 4 is fixed to the adjusting part 22 of the water inlet section 2, and the fixed rod 4 (the rest of the part) is penetrated through the inner washer 3, along the axis C, According to the water separator 12 and the cavity 11, the water inlet section 2 can rotate relative to the water outlet section 1 with the axis C as the center.

In more detail, the center line of the tube body 21 overlaps the axis C, and the outer edge of the tube body 21 is preferably in line with the outer edge of the annular side wall 112 of the cavity 11, However, the present invention is not limited to this. Wherein, the inner edge of the top of the pipe body 21 (such as the upper half of the pipe body 21 in FIG. 6) is formed with a screw connection 211 for connecting to a water source (such as a water pipe connected to a faucet), Accordingly, the water flow from the water source can flow out of the adjustable venturi 100 through the water inlet section 2 and the water outlet section 1 in sequence.

The adjusting portion 22 is connected to the inner edge of the bottom of the pipe body 21 (for example, the lower half of the pipe body 21 in FIG. 6), and the adjusting portion 22 is formed with a water inlet channel 221, and the inlet A projection space through which the water channel 221 is orthographically projected toward the water outlet section 1 preferably completely covers a plurality of the water inlet channels 121. Wherein, the water inlet channel 221 is an arc-shaped channel centered on the axis C in this embodiment, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the water inlet channel 221 may also be a channel structure including an arc-shaped area.

Furthermore, the adjusting part 22 is pivotally connected to the water separator 12 rotatably along the axis C, so that the water inlet section 2 can rotate relative to the water outlet section 1, thereby causing the water inlet section 1 to rotate. Relative movement occurs between the section 2 and the water separator 12. In this embodiment, a plurality of the positioning components 23 are installed on at least one of the adjusting portion 22 and the tube body 21, and the positions of the plurality of positioning components 23 correspond to (or face) more than one position. There are two positioning grooves 122 so that the positioning components 23 are respectively embedded and elastically pressed against the positioning grooves 122.

In more detail, any one of the positioning components 23 includes a compression spring 231 and an abutting post 232 connected to the compression spring 231 in this embodiment, but the invention is not limited to this. In any one of the positioning components 23, the compression spring 231 is inserted into at least one of the adjustment portion 22 and the tube body 21, and the abutment post 232 is partially embedded and combined It is elastically pressed against the corresponding positioning groove 122.

Accordingly, in this embodiment, the adjustable venturi 100 can make the water inlet section 2 relative to the The outlet section 1 is positioned at different predetermined positions.

Furthermore, in this embodiment, the adjusting portion 22 is connected to a space 212 surrounded by the screw connection portion 211 only through the water inlet channel 221, and the screw connection portion 211 surrounds the space 212. The space 212 can selectively communicate with at least one of the plurality of water inlet channels 121 through the water inlet channel 221 through the relative movement between the water inlet section 2 and the water divider 12 Channel 121. For example, as shown in FIGS. 8 to 11, the space 212 can be selectively connected to one of the water inlet channels 121 via the water inlet channel 221.

Furthermore, the space 212 surrounded by the screw connection portion 211 can be rotated relative to the water outlet 1 through the water inlet section 2 and is selectively connected to a plurality of outlets via the water inlet channel 221. At least two of the water inlet channels 121 among the water inlet channels 121. For example, as shown in FIGS. 12 to 15, the space 212 can be selectively connected to the two water inlet channels 121 via the water inlet channel 221; or, the space 212 can be connected via the water inlet channel 121. The channel 221 selectively communicates with the three water inlet channels 121.

Accordingly, the adjustable venturi 100 can be designed under different water pressure environments through its structural design (for example, the selective cooperation between the water inlet channel 221 and the plurality of water inlet channels 121). , Through the selection of the water inlet channel 121, the physical phenomenon of the air intake of the adjustable venturi 100 is maintained. Furthermore, the adjustable venturi 100 can be used to provide different water flow rates to pass through, thereby having a multi-stage water flow adjustment function, thereby meeting different water flow and air intake requirements and application environments.

In addition, the inner gasket 3 is clamped between the water separator of the water outlet section 1 and the adjustment portion 22 of the water inlet section 2. Wherein, the inner gasket 3 surrounds and is fixed to the water inlet channel 221, and the inner gasket 3 abuts against the water separator 12 without gaps, so that the water inlet channel 221 is connected to a plurality of The water inlet channels 121 can be kept sealed. In this embodiment, the inner washer 3 is an integrally formed one-piece structure, and the inner washer 3 is 180-degree rotationally symmetric with respect to the axis, but the present invention is not limited to this.

It should be additionally noted that although the cavity 11 of the water outlet section 1 and the pipe body 21 of the water inlet section 2 are two components separated from each other in this embodiment, the present invention does not use this Is limited. For example, in other embodiments not shown in the present invention, the cavity 11 of the water outlet section 1 and the pipe body 21 of the water inlet section 2 may be integrally formed, and the The water separator 12 is rotatably installed on at least one of the cavity 11 and the tube 21, so that the water separator 12 can pass relative to the cavity 11 and the tube 21. The body 21 rotates, so that the space 212 surrounded by the screw connection portion 211 can be selectively connected to at least one of the plurality of water inlet channels 121 via the water inlet channel 221.

[Technical Effects of Embodiments of the Invention]

In summary, the adjustable venturi disclosed in the embodiment of the present invention can be configured in different ways through its structural design (such as the selective cooperation between the water inlet channel and the plurality of water inlet channels). In a water pressure environment, the physical phenomenon of the adjustable venturi's air intake can be maintained through the selection of the water inlet channel. Furthermore, the adjustable venturi can be used to provide different water flow rates to pass through, thereby having a multi-stage water flow adjustment function, thereby meeting different water flow and air intake requirements and application environments.

In more detail, the adjustable venturi can be further designed by detailed structure (for example, the cross-sectional area of a plurality of the water inlet channels is different, and the cross-sectional area of any one of the water inlet channels is not equal to the other water inlet channels. The sum of the cross-sectional areas of at least two of the water inlet channels of the channel; the distances between the centers of the plurality of liquid and gas outlets and the axis are the same, and the plurality of liquid and gas outlets are located on the bottom wall to the The area within 120 degrees centered on the axis; the water divider is formed with a plurality of positioning grooves outside the plurality of the water inlet channels, and the water inlet section includes a plurality of positions corresponding to the plurality of positioning grooves. Positioning components, and a plurality of the positioning components are respectively embedded and elastically pressed against a plurality of the positioning grooves), so as to enhance the multi-stage water flow adjustment function.

The content disclosed above is only the preferred and feasible embodiments of the present invention, and does not limit the patent scope of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the patent scope of the present invention. Inside.

100: Adjustable venturi 1: Outlet section 11: Cavity 111: bottom wall 112: Ring sidewall 113: Liquid gas outlet 114: air inlet 12: Water separator 121: Inlet Channel 122: positioning slot 123: Disc body 124: Cylinder 13: Outlet pipe 14: intake pipe 15: Check valve 2: Inlet section 21: Tube body 211: Screw connection part 212: Space 22: Adjustment Department 221: Inlet Channel 23: Positioning components 231: Compression spring 232: Top to Column 3: inner gasket 4: fixed rod C: axis S: intake space

Fig. 1 is a three-dimensional schematic diagram of an adjustable venturi according to an embodiment of the present invention.

Fig. 2 is a schematic top view of Fig. 1.

Fig. 3 is a schematic bottom view of Fig. 1.

Fig. 4 is an exploded schematic diagram of Fig. 1.

Fig. 5 is an exploded schematic view of Fig. 1 from another perspective.

Fig. 6 is a schematic cross-sectional view of Fig. 2 along the line VI-VI.

Fig. 7 is a schematic cross-sectional view of Fig. 2 along the section line VII-VII.

Fig. 8 is a schematic top view of the water inlet section of Fig. 2 after rotating in a counterclockwise direction relative to the water outlet section.

Fig. 9 is a schematic cross-sectional view of Fig. 8 along the section line IX-IX.

Fig. 10 is a schematic top view of the water inlet section of Fig. 2 after rotating in a clockwise direction relative to the water outlet section.

Fig. 11 is a schematic cross-sectional view of Fig. 10 along the section line XI-XI.

Fig. 12 is a schematic top view of the water inlet section of Fig. 8 after rotating in a counterclockwise direction relative to the water outlet section.

Fig. 13 is a schematic cross-sectional view of Fig. 12 along the section line XIII-XIII.

Fig. 14 is a schematic top view of the water inlet section of Fig. 10 after rotating in a clockwise direction relative to the water outlet section.

Fig. 15 is a schematic cross-sectional view of Fig. 14 along the line XV-XV.

100: Adjustable venturi

1: Outlet section

11: Cavity

111: bottom wall

112: Ring sidewall

113: Liquid gas outlet

114: air inlet

12: Water separator

121: Inlet Channel

122: positioning slot

123: Disc body

124: Cylinder

13: Outlet pipe

14: intake pipe

15: Check valve

2: Inlet section

21: Tube body

211: Screw connection part

212: Space

22: Adjustment Department

221: Inlet Channel

23: Positioning components

231: Compression spring

232: Top to Column

3: inner gasket

4: fixed rod

C: axis

S: intake space

Claims (9)

An adjustable venturi includes: a water outlet section, including: a water separator formed with a plurality of water inlet channels; a cavity including a bottom wall and a ring side wall connected to the bottom wall; wherein, The water separator is arranged in the cavity, and an air inlet space is formed inside the water outlet section; wherein, the annular side wall is formed with an air inlet communicating with the air inlet space, and the bottom wall is formed with A plurality of liquid and gas outlets, and the positions of the plurality of water inlet channels respectively correspond to the plurality of liquid and gas outlets, each of the water inlet channels and the corresponding liquid and gas outlets are arranged at intervals and communicate with the Air inlet space, and the inner diameter of each of the water inlet channels is smaller than the inner diameter of the corresponding liquid-gas outlet; a water outlet pipe is connected to the bottom wall, and the water outlet pipe passes through any one of the liquid The air outlet is connected to the corresponding water inlet passage and the air inlet space; and an air inlet pipe is connected to the side wall of the ring, and the air inlet pipe communicates with the inlet through the air inlet Air space; a water inlet section, including: a pipe body, the top inner edge of which is formed with a screw connection part; an adjustment part, which is connected to the bottom inner edge of the pipe body; wherein, the adjustment part is formed with an inlet Water passage, and a space surrounded by the screw connection portion can be selectively connected to a plurality of the water inlets through the water inlet passage through the relative movement between the water inlet section and the water separator At least one of the water inlet channels of the channel; and an inner gasket surrounding and fixed to the water inlet channel, and the inner gasket abuts against the water separator without gaps; and A fixed rod passes through the inner gasket, the water separator, and the cavity along an axis. The adjustable venturi according to claim 1, wherein the water separator, the bottom wall, and the ring side wall jointly enclose and form the air inlet space; and the adjustment part is adjustable along the axis It is pivotally connected to the water separator so that the water inlet section can rotate relative to the water outlet section, thereby causing relative movement between the water inlet section and the water separator. The adjustable venturi according to claim 2, wherein the distance between the centers of the plurality of liquid and gas outlets and the axis is the same, and the plurality of liquid and gas outlets are located on the bottom wall with the axis The area within 120 degrees of the center. The adjustable venturi according to claim 2, wherein the space surrounded by the screw connection portion can be rotated relative to the water outlet section through the water inlet section, and selectively through the water inlet channel The ground is connected to at least two of the water inlet channels among the plurality of water inlet channels. The adjustable venturi according to claim 4, wherein, in a cross section of the water outlet section perpendicular to the axis, the cross-sectional areas of a plurality of the water inlet channels are different, and the cross-sectional area of any one of the water inlet channels The cross-sectional area is not equal to the sum of the cross-sectional areas of at least two of the remaining water inlet channels. The adjustable venturi according to claim 2, wherein the inner washer is an integrally formed one-piece structure, and the inner washer is 180-degree rotationally symmetric with respect to the axis. The adjustable venturi according to claim 2, wherein the water inlet channel is an arc-shaped channel centered on the axis. The adjustable venturi according to claim 2, wherein the bottom wall of the cavity, the annular side wall, and the outlet pipe are an integral single-piece structure; the water separator is It is detachably installed on the ring side wall and located in the area surrounded by the bottom wall and the ring side wall. The adjustable venturi according to claim 8, wherein the water divider is formed with a plurality of positioning grooves outside the plurality of water inlet channels, and the water inlet section includes positions corresponding to the plurality of water inlet channels respectively. A plurality of positioning components of the positioning groove, and the plurality of positioning components are respectively embedded and elastically pressed against the plurality of positioning grooves.

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