CN217152282U - Steady flow output diaphragm pump cavity structure and steady flow water outlet device - Google Patents
Steady flow output diaphragm pump cavity structure and steady flow water outlet device Download PDFInfo
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- CN217152282U CN217152282U CN202220151682.6U CN202220151682U CN217152282U CN 217152282 U CN217152282 U CN 217152282U CN 202220151682 U CN202220151682 U CN 202220151682U CN 217152282 U CN217152282 U CN 217152282U
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Abstract
The utility model provides a steady flow output diaphragm pump cavity structure, which relates to the diaphragm pump field, comprising a shell with a water inlet and a water outlet, a piston, a suction valve and a diaphragm which are adapted in the shell, wherein a suction cavity and a discharge cavity which are separated from each other are arranged in the shell, the suction cavity is communicated with the water inlet and the suction valve, and the discharge cavity is communicated with the water outlet; the shell is divided into an inner shell and an outer shell, the suction cavity comprises a front space and a rear space, the front space is formed by the upper end of the suction valve and the outer shell, the lower end of the suction valve is formed by the suction cavity and the upper end of the inner shell, the diaphragm and the piston, the volume of the front space is smaller than or equal to the maximum volume of the rear space, and the ratio of the sum of the volume of a channel between each front space and the suction cavity and the maximum volume of each rear space is smaller than or equal to 2; the piston can move the volume that changes the back space relative back space, makes the medium in the operation occupy space before fast, and the air in space is discharged before the piston suction simultaneously, and it is big with the vibration to improve current diaphragm pump product noise, seriously influences the problem of the experience effect of product. The application provides a stationary flow play water installation in addition.
Description
Technical Field
The utility model relates to a diaphragm pump technical field particularly, relates to a stationary flow output diaphragm pump cavity structure and stationary flow water installation.
Background
The diaphragm pump is widely applied to various fluid transmission equipment, such as various fluids in the industries of chemical industry, water treatment industry, food, medicine and health industry, mining industry, nuclear power industry and the like.
Because the air entering the diaphragm pump is inevitable in the product use at present, if the air can not be discharged in time, the unbalanced pressure of each pressurizing cavity of the diaphragm pump forms shaking, the output is discontinuous, the pulsating water is discharged, and the performance is reduced. The shaking and the pulse are amplified through a product system, so that the noise and the vibration of a diaphragm pump product are large, and the experience effect of the product is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a stationary flow output diaphragm pump cavity structure aims at improving that current diaphragm pump product noise is big and the vibration is big, seriously influences the problem of the experience effect of product.
The utility model adopts the following scheme:
a cavity structure of a steady flow output diaphragm pump comprises a shell provided with a water inlet and a water outlet, and a piston, a suction valve and a diaphragm which are matched in the shell, wherein a suction cavity and a discharge cavity which are separated from each other are arranged in the shell, the suction cavity is communicated with the water inlet and the suction valve, the discharge cavity is communicated with the water outlet, the shell is divided into an inner shell and an outer shell, the suction cavity comprises a front space and a rear space, the front space is formed by the upper end of the suction valve and the outer shell, the lower end of the suction cavity is formed by the upper end of the suction valve and the outer shell, the rear space is formed by the inner shell, the diaphragm and the upper end of the piston, the front space is communicated with the rear space, the volume of the front space is smaller than or equal to the maximum volume of the rear space, and the ratio of the channel volume between each front space and the suction cavity to the maximum volume of each rear space is smaller than or equal to 2; the piston is movable relative to the rear space to vary the volume of the rear space so that the medium in operation can quickly occupy the front space while the piston can quickly draw air from the front space and quickly expel it.
As a further improvement, a discharge valve is included, the discharge valve being provided with the housing and communicating with the discharge chamber.
As a further improvement, the diaphragm is fitted under the inner shell to provide power for sucking and discharging liquid.
As a further improvement, the diaphragm material is nitrile rubber, ethylene propylene diene monomer or polytetrafluoroethylene.
As a further improvement, the inner wall of the shell is smooth and flat.
As a further improvement, the device comprises a pressure relief device, wherein the pressure relief device is arranged at the upper end of the shell and communicated with the internal working cavity.
As a further improvement, the device comprises a motor assembly which is connected below the diaphragm in a matching mode and is installed at the lower end of the piston in a matching mode.
The steady flow water outlet device comprises a water outlet body and the steady flow output diaphragm pump cavity structure, wherein the steady flow output diaphragm pump cavity structure is in adaptive connection with the water outlet body.
By adopting the technical scheme, the utility model discloses can gain following technological effect:
the utility model provides a stationary flow output diaphragm pump cavity structure, the piston can be relative back space removes and to change the volume in back space, preceding space volume is less than or equal to the maximum volume in back space is not limiting diaphragm pump suction flow's maximum value, and the space is filled by the medium fast before arriving, and the air in space before the piston sucks fast simultaneously to discharge fast, prevent to be stranded because of gas inhales the chamber, cause each piston operation operating mode nonconformity to lead to, the pump body vibrations and output pulsation, thereby it is big with the vibration greatly to have improved current diaphragm pump product noise, seriously influences the problem of the experience effect of product. The advantages of the present application are apparent compared to the prior art.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is an assembly view of a portion of the structure of the present invention;
FIG. 2 is a cross-sectional view of a portion of the structure of the present invention;
fig. 3 is a cross-sectional view of the general structure of the present invention;
fig. 4 is a schematic structural diagram of the housing of the present invention;
fig. 5 is an exploded view of the overall structure of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
The utility model provides a stationary flow output diaphragm pump cavity structure, including casing and the piston 1 of adaptation in the casing and the suction valve 2 of seting up water inlet 41 and delivery port 42, be equipped with the suction chamber and the discharge chamber of mutual separation in the casing, suction chamber and water inlet 41 and suction valve 2 all communicate, discharge chamber and delivery port 42 intercommunication for the medium can be discharged from discharge chamber and delivery port 42 via water inlet 41 and suction chamber.
Further, the housing is divided into an inner housing 3 and an outer housing 4, and the water inlet 41 and the water outlet 42 are symmetrically arranged on the outer housing 4, so that external water can directly enter from the water inlet 41 and be discharged from the water outlet 42. The suction cavity comprises a front space 5 formed by the upper end of the suction valve 2 and the outer shell 4 and a rear space 6 formed by the lower end of the suction valve and the inner shell 3, the diaphragm 8 and the upper end of the piston 1, the front space 5 is communicated with the rear space 6, the piston 1 is configured to move relative to the rear space 6 and change the volume of the rear space 6, the piston 1 moves downwards to cause the volume of the rear space 6 to increase to suck a medium, and moves upwards to reduce to discharge the medium, so that the pressurization effect is achieved, and water discharge is realized.
Preferably, the inner wall 43 of the housing 4 is smooth and flat, and has no obvious groove, so that gas is not easy to be trapped in the groove or low-lying position of the cavity of the housing 4, and the condition that trapped gas cannot be discharged is avoided.
In the present embodiment, the number of the adsorption valves 2 is preferably three, so that there are three suction chambers, and each suction chamber is communicated through a passage between each suction chamber; the ratio of the channel volume between each front space 5 and the suction cavity to the sum of the maximum volume of each rear space 6 is less than or equal to 2, and the volume of the front space 5 is less than or equal to the maximum volume of the rear space 6, when the maximum value of the suction flow of the diaphragm pump is not limited, the medium reaches the front space 5 through the water inlet 41, air is quickly filled by the medium, meanwhile, the piston 1 quickly sucks the air in the front space 5 and quickly exhausts the pump head, and the phenomena that the operation working conditions of each piston 1 are inconsistent due to the fact that the air is trapped in the suction cavity, the pump body vibrates and the output pulsation are prevented; the problem of current diaphragm pump because of the unable in time discharge of air, cause the unbalanced formation shake of each pressure boost chamber pressure of diaphragm pump, the output is discontinuous, the pulsation goes out water, the performance descends, and shake and pulse are enlargied through the product system, and further the performance is big and the vibration is big for the product noise, seriously influences the experience effect of product, and the vibration also can lead to the fact certain destruction to the pump is improved.
Further, a discharge valve 7 fitted in the housing simultaneously with the suction valve 2 is included, the discharge valve 7 communicating with the discharge chamber; the suction valve 2 provides sufficient power for the suction of the medium, enabling it to quickly enter and fill the front space 5; the discharge valve 7 provides sufficient power for discharging the medium and the air, and prevents the air from being discharged in time to cause the pressure imbalance of each pressurizing cavity of the diaphragm pump.
In this embodiment, a diaphragm 8 is fitted under the inner casing 3, and the diaphragm 8 is moved back and forth to change the volume of the inner working chamber, so as to complete the suction and discharge of the medium and provide power for the suction and discharge of the medium.
Further, the material of the diaphragm 8 is nitrile rubber, ethylene propylene diene monomer or polytetrafluoroethylene, and in this embodiment, polytetrafluoroethylene is preferred, which has excellent heat resistance and cold resistance, can be used for a long time in an environment of 180 to 260 ℃, and is hardly soluble in all solvents.
In this embodiment, the pressure relief device 9 is adapted to be hermetically arranged at the upper end of the housing 4, the pressure relief device 9 is communicated with the internal working cavity, and when the pressure of the internal working cavity is smaller than the elastic force of a spring inside the pressure relief device 9, the pressure relief device 9 seals the diaphragm pump in a closed state; when the pressure of the inner working cavity is greater than the elastic force of the spring inside the pressure relief device 9, the pressure relief device 9 is in an open state and releases the pressure of the inner working cavity, the balance of the pressure of the inner cavity of the diaphragm pump is guaranteed, and the diaphragm pump is prevented from being blocked and damaged by the pressure of the inner working cavity.
Further, still include motor element 10, motor element 10 adaptation is connected in the below of diaphragm 8, and installs with piston 1 lower extreme adaptation, provides power for the motion of piston 1.
The specific working process comprises the following steps: the motor assembly 10 operates to reciprocate the piston 1 while the medium flows through the quick fill front space 5 from the water inlet 41, at which time the piston 1 moves downward and draws air from the front space 5 and then moves upward to quickly expel the air, preventing air from being trapped in the suction chamber.
The second embodiment of the utility model provides a stationary flow water discharging device, including going out the water body and as above-mentioned arbitrary stationary flow output diaphragm pump cavity structures, go out water body and stationary flow output diaphragm pump cavity structures adaptation connection, water flows into water inlet 41 from going out the water body and discharges from delivery port 42 through stationary flow output diaphragm pump cavity structures.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.
Claims (8)
1. A kind of steady flow outputs the diaphragm pump chamber structure, including the body equipped with water inlet and water outlet and piston, suction valve and diaphragm that adapts in the said body, there are suction chambers and discharge chambers separated each other in the said body, the said suction chamber communicates with said water inlet and said suction valve, the said discharge chamber communicates with said water outlet, the said body is divided into inner shell and outer casing, characterized by that, the said suction chamber includes the front space and rear space that the lower end and said inner shell, diaphragm and piston upper end formed that the said upper end of suction valve and said outer casing form, the said front space communicates with said rear space, the volume of the said front space is smaller than or equal to the maximum volume of the said rear space, and the channel volume between each front space and suction chamber and maximum sum of the volumes of each rear space are smaller than or equal to 2; the piston is movable relative to the rear space to vary the volume of the rear space so that the medium in operation can quickly occupy the front space while the piston can quickly draw air from the front space and quickly expel it.
2. The flow stabilizing output diaphragm pump chamber construction of claim 1 including a bleed valve fitted with said housing and communicating with said bleed chamber.
3. The flow stabilizing output diaphragm pump chamber structure of claim 1, wherein the diaphragm fits under the inner housing to provide motive force for drawing in and drawing out liquid.
4. The flow stabilizing output diaphragm pump chamber structure of claim 3, wherein the diaphragm material is nitrile rubber, ethylene propylene diene monomer rubber, or polytetrafluoroethylene.
5. The flow stabilizing output diaphragm pump chamber construction of claim 1, wherein the housing inner wall is smooth and flat.
6. A flow stabilizing output diaphragm pump chamber construction according to claim 1, including a pressure relief device disposed at an upper end of said housing and communicating with the internal working chamber.
7. The flow stabilizing output diaphragm pump chamber construction of claim 3 including a motor assembly adapted to be connected below said diaphragm and to be mounted with said piston lower end.
8. A steady flow water output device, characterized by comprising a water output body and the steady flow output diaphragm pump chamber structure as claimed in any one of claims 1 to 7, wherein the water output body is in adaptive connection with the steady flow output diaphragm pump chamber structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220151682.6U CN217152282U (en) | 2022-01-20 | 2022-01-20 | Steady flow output diaphragm pump cavity structure and steady flow water outlet device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220151682.6U CN217152282U (en) | 2022-01-20 | 2022-01-20 | Steady flow output diaphragm pump cavity structure and steady flow water outlet device |
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| CN217152282U true CN217152282U (en) | 2022-08-09 |
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| CN202220151682.6U Active CN217152282U (en) | 2022-01-20 | 2022-01-20 | Steady flow output diaphragm pump cavity structure and steady flow water outlet device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116538059A (en) * | 2023-06-27 | 2023-08-04 | 江苏大学流体机械温岭研究院 | High-pressure low-pulsation air-cooled heat dissipation diaphragm pump device |
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2022
- 2022-01-20 CN CN202220151682.6U patent/CN217152282U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116538059A (en) * | 2023-06-27 | 2023-08-04 | 江苏大学流体机械温岭研究院 | High-pressure low-pulsation air-cooled heat dissipation diaphragm pump device |
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