CN214424672U - Fan mounting structure for diaphragm pump - Google Patents
Fan mounting structure for diaphragm pump Download PDFInfo
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- CN214424672U CN214424672U CN202120319503.0U CN202120319503U CN214424672U CN 214424672 U CN214424672 U CN 214424672U CN 202120319503 U CN202120319503 U CN 202120319503U CN 214424672 U CN214424672 U CN 214424672U
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- fan
- air inlet
- distributor
- diaphragm pump
- cavity
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Abstract
The utility model discloses a diaphragm pump is with fan mounting structure, the diaphragm pump includes the motor, fan mounting structure includes fan and clearance ring, the fan includes base and a plurality of flabellum, the central point of base is the installation cavity, all flabellums are the ring nature with the installation cavity as the center and distribute, clearance ring suit is in the output shaft of motor, the installation cavity and the clearance ring of fan are closely cooperated and are installed, through the inflation of clearance ring with the fan fastening install in the output shaft of motor; the other end of the diaphragm pump is provided with an air path assembly which is convenient for the distribution and arrangement of the air inlet and outlet hoses. The utility model discloses the fan passes through the output shaft of clearance ring installation and motor, and the inflation through the clearance ring promptly with the fan fastening installation in the output shaft of motor, improve the convenience and the agility of installation, and need not carry out extra processing etc. to the output shaft of motor.
Description
Technical Field
The utility model relates to a diaphragm pump technical field, in particular to diaphragm pump fan mounting structure.
Background
Diaphragm pumps are a more particular form of positive displacement pump. It relies on the back and forth movement of a diaphragm to change the volume of the working chamber and thereby draw in and expel liquid or gas.
The diaphragm pump is by motor drive, in order to improve its radiating effect, generally can install the fan on the output shaft of motor, among the prior art, generally through processing the screw hole on the output shaft, through the bolt with fan installation and output week go up, or through the round pin axle of taking the key and round pin axle empty fit's mode with on its installation and output shaft, two kinds of modes are all relatively troublesome, need additionally to process the output shaft etc. of motor.
In addition, in order to improve the working efficiency of the diaphragm pump, the diaphragm pump generally has a plurality of mounting holes, a diaphragm is mounted at each mounting hole, namely, the volume of the working chamber is changed by the back and forth movement of a plurality of diaphragm sheets so as to suck and discharge liquid or gas, each diaphragm sheet is provided with an air outlet and an air inlet, the air outlet is connected with an air outlet pipeline, the air inlet is connected with an air inlet pipeline, the first breathing and the first breathing of the gas at the diaphragm sheets are realized by the way, because a diaphragm pump with multiple diaphragm sheets (generally four holes, six holes, eight holes or twelve holes, etc.) has multiple air inlet pipelines and multiple air outlet pipelines, in the existing diaphragm pump, the design of a plurality of air inlet pipelines and a plurality of air outlet pipelines is not reasonable enough, the pipelines are messy and not tidy, and after the air outlet pipeline is used for discharging air, the phenomenon of external air backflow also exists, and certain influence is generated on the working efficiency of the diaphragm pump.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a fan mounting structure for a diaphragm pump, wherein a fan is mounted on an output shaft of a motor through a clearance ring, namely, the fan is tightly mounted on the output shaft of the motor through the expansion of the clearance ring, so that the convenience and the rapidness of mounting are improved, and the output shaft of the motor does not need to be additionally processed; in addition, the other end of the diaphragm pump is provided with an air path assembly, which is convenient for the distribution and arrangement of the air inlet and outlet hoses.
In order to solve the technical problem, the utility model discloses a technical scheme be: the diaphragm pump comprises a motor, the fan mounting structure comprises a fan and a clearance ring, the fan comprises a base and a plurality of fan blades, the central position of the base is an installation cavity, all the fan blades are distributed in a ring shape by taking the installation cavity as the center, the clearance ring is sleeved on an output shaft of the motor, the installation cavity of the fan is tightly matched and installed with the clearance ring, and the fan is tightly and fixedly installed on the output shaft of the motor through expansion of the clearance ring;
the other end of the diaphragm pump is provided with a gas path assembly, the gas path assembly comprises a gas inlet main joint, a gas inlet distributor and a gas outlet distributor, the gas inlet distributor is divided into a gas inlet cavity and a gas outlet cavity by a partition plate, the gas inlet main joint is arranged on the side where the gas inlet cavity of the gas inlet distributor is located, and the gas outlet distributor is arranged on the side where the gas outlet cavity of the gas inlet distributor is located;
the air inlet distributor is provided with a plurality of air inlet hose interfaces connected with air inlet hoses, and the air inlet cavity is simultaneously communicated with the air inlet main joint and the plurality of air inlet hose interfaces;
the air outlet distributor is provided with a plurality of air outlet hose connectors connected with air outlet hoses, an air outlet cavity of the air inlet distributor is connected with an air outlet main joint, and the air outlet distributor is hermetically connected with the air inlet distributor through a sealing ring;
the number of the air inlet hose interfaces is consistent with that of the air outlet hose interfaces;
and a one-way valve for preventing outside air from entering is arranged between the air inlet distributor and the air outlet distributor.
Furthermore, the surface of the base, which is close to the motor, is provided with a circle of annular groove, a plurality of reinforcing ribs are arranged in the annular groove by taking the mounting cavity as the center, and each reinforcing rib is formed by taking the mounting cavity as the center and extending along the radial direction of the groove wall of the annular groove.
Further, the fan is a nylon fan.
Further, 11 fan blades are provided.
Further, the check valve is an overpressure valve.
Further, the air inlet main joint and the air inlet distributor are integrally connected or separately connected.
Further, the air inlet main joint is a Teflon joint, and the air inlet distributor and the air outlet distributor are Teflon distributors.
The diaphragm pump further comprises a cavity, and a motor end flange and a bearing end flange which are arranged at two ends of the cavity, wherein one end of the air outlet distributor is arranged on the bottom plate, and the air path assembly is arranged on the bearing end flange through the bottom plate.
Further, the diaphragm pump is a chemical diaphragm pump.
The utility model has the advantages that:
the fan of the utility model is installed on the output shaft of the motor through the clearance ring, namely, the fan is tightly installed on the output shaft of the motor through the expansion of the clearance ring, thereby improving the convenience and the rapidness of installation, improving the installation efficiency, and after long-time use, the fan can not be loosened, and meanwhile, the output shaft of the motor does not need to be additionally processed;
furthermore, the diaphragm pump of the utility model is also provided with a gas circuit assembly, an air inlet main joint, an air inlet distributor and an air outlet distributor, wherein the air inlet distributor is divided into an air inlet cavity and an air outlet cavity by a partition plate, the air inlet distributor is provided with a plurality of air inlet hose interfaces connected with air inlet hoses, and the air inlet cavity is simultaneously communicated with the air inlet main joint, the air inlet main joint and the air inlet main joint as well as the air inlet hose interfaces; the air outlet distributor is provided with a plurality of air outlet hose connectors connected with the air outlet hoses, and an air outlet cavity of the air inlet distributor is connected with the air outlet main joint; a one-way valve for preventing outside air from entering is arranged between the air inlet distributor and the air outlet distributor; therefore, the utility model discloses a structure that is equipped with the gas circuit assembly and carries out reasonable design to the gas circuit assembly, and a plurality of air inlet hose and a plurality of air outlet hose gather through this gas circuit assembly and reconnect the total joint and communicate with the external world, make the air inlet of porous diaphragm pump, air outlet hose neat, can not be in disorder, twine and knot etc. and through setting up the check valve, can avoid external gas to flow back to diaphragm pump etc. improve the work efficiency of diaphragm pump;
moreover, the surface of the fashionable base, which is close to the motor, is provided with a circle of annular groove, and a plurality of reinforcing ribs are arranged in the annular groove by taking the installation cavity as the center, so that the strength of the fan is improved, and cracking and the like possibly caused by slight knocking in the installation process of the fan are avoided;
furthermore, the utility model discloses an air inlet main joint connects for the teflon, and air inlet distributor is the teflon distributor with the distributor of giving vent to anger, adopts the teflon material, has stronger advantages such as high temperature resistant, corrosion resistance, makes it be fit for being applicable to under the gaseous environment of chemical corrosion, and difficult corrosion is ageing etc..
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
FIG. 1 is a schematic view of the diaphragm pump of the present invention (when viewed from an angle, the fan is not installed)
Fig. 2 is a second schematic structural view (from another perspective) of the diaphragm pump of the present invention;
fig. 3 is one of the schematic structural diagrams of the fan of the present invention (from another perspective);
fig. 4 is one of the schematic structural diagrams of the fan of the present invention (from another perspective);
fig. 5 is a schematic structural diagram of the gas circuit assembly of the present invention;
fig. 6 is an exploded schematic view of the gas circuit assembly of the present invention;
fig. 7 is a schematic structural view (from another perspective) of the intake distributor of the present invention;
fig. 8 is a radial cross-sectional view of the inlet distributor of the present invention at a location corresponding to the outlet manifold;
the parts in the drawings are marked as follows:
the fan comprises a motor 10, an output shaft 101, a fan 20, a base 201, fan blades 202, a mounting cavity 203, an annular groove 204 and reinforcing ribs 2041;
the air path assembly 30, the air inlet main joint 1, the air inlet distributor 2, the partition plate 21, the air inlet cavity 22, the air inlet hose interface 221, the air outlet cavity 23, the air outlet distributor 3, the air outlet hose interface 31, the bottom plate 4, the sealing ring 5, the one-way valve 6 and the air outlet main joint 7;
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and the advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present invention. The present invention can also be implemented in other different ways, i.e. different modifications and changes can be made without departing from the scope of the present invention.
Example (b): a fan mounting structure for a diaphragm pump, as shown in fig. 1 to 4, the diaphragm pump includes a motor 10, the fan mounting structure includes a fan 20 and a clearance ring (not shown), the fan includes a base 201 and a plurality of fan blades 202, a central position of the base is a mounting cavity 203, all the fan blades are annularly distributed with the mounting cavity as a center, the clearance ring is sleeved on an output shaft 101 of the motor, the mounting cavity of the fan and the clearance ring are tightly fitted, and the fan is tightly mounted on the output shaft of the motor through expansion of the clearance ring;
as shown in fig. 1, 2, and 4 to 8, an air path assembly 30 is installed at the other end of the diaphragm pump, the air path assembly includes an air inlet main joint 1, an air inlet distributor 2, and an air outlet distributor 3, the air inlet distributor is divided into an air inlet cavity 22 and an air outlet cavity 23 by a partition plate 21, the air inlet main joint is installed at the side where the air inlet cavity of the air inlet distributor is located, and the air outlet distributor is installed at the side where the air outlet cavity of the air inlet distributor is located;
the air inlet distributor is provided with a plurality of air inlet hose connectors 221 connected with air inlet hoses, and the air inlet cavity is simultaneously communicated with the air inlet main joint and the plurality of air inlet hose connectors;
the air outlet distributor is provided with a plurality of air outlet hose connectors 31 connected with the air outlet hoses, an air outlet cavity of the air inlet distributor is connected with an air outlet main joint 7, and the air outlet distributor and the air inlet distributor are hermetically connected through a sealing ring 5, so that the sealing property is improved, and air leakage and the like are avoided;
the number of the air inlet hose interfaces is consistent with that of the air outlet hose interfaces;
a one-way valve 6 for preventing outside air from entering is arranged between the air inlet distributor and the air outlet distributor.
The gap ring in this embodiment, also called a compensation ring or a tolerance ring, is a standard chamber, and is a thin metal sheet ring with an axial opening, and the peripheral surface of the gap ring is arranged by a concave part and a convex part at intervals, so the structure diagram is not shown.
In this embodiment, the gap of the gap ring is preferably maintained between 0.25 mm and 1.10 mm.
As shown in fig. 1 to 4, a ring of annular groove 204 is formed on a surface of the base close to the motor, a plurality of reinforcing ribs 2041 are arranged in the annular groove with the mounting cavity as a center, and each reinforcing rib is formed by radially extending a groove wall of the annular groove with the mounting cavity as a center.
In this embodiment, the fan is a nylon fan, but is not limited thereto.
In this embodiment, there are 11 fan blades, but not limited thereto.
In this embodiment, the check valve is an overpressure valve.
The air inlet main joint and the air inlet distributor are integrally connected or separately connected.
The air inlet main joint is a Teflon joint, the air inlet distributor and the air outlet distributor are Teflon distributors, and other materials can be adopted, but the material is high in high temperature resistance, corrosion resistance and the like, so that the material is suitable for being used in the environment with chemical corrosive gas.
As shown in fig. 1 and 2, the diaphragm pump further includes a cavity 40, and a motor end flange 50 and a bearing end flange 60 mounted at two ends of the cavity, wherein one end of the outlet distributor is mounted on the bottom plate 4, and the air path assembly is mounted on the bearing end flange through the bottom plate.
In this embodiment, the diaphragm pump is a chemical diaphragm pump.
In this embodiment, the air inlet main joint and the air inlet distributor are fixedly connected through bolts. In this embodiment, the bolt is a bolt of M4, but is not limited thereto, and the bolt can be fixedly connected.
In this embodiment, the air inlet cavity of the air inlet distributor is provided with 3-4 air inlet hose connectors.
In this embodiment, the air outlet distributor is provided with 2-3 air outlet hose connectors, and the air outlet cavity of the air inlet distributor is provided with 1 air outlet hose connector.
In this embodiment, the sealing ring is an O-ring.
The utility model discloses a theory of operation and working process:
the opening of the clearance ring is broken off and clamped into the output shaft of the motor, then the mounting cavity of the base of the fan is aligned to the output shaft of the motor, the fan is mounted on the output shaft through slight external force, such as beating the fan, and the fan and the output shaft of the motor are tightly matched through expansion of the clearance ring, so that the mounting of the fan can be realized, and the mounting is very convenient and fast;
because one end of each air inlet hose is connected with the air inlet cavity of the air inlet distributor, and the other end of each air inlet hose is connected with each diaphragm through the air inlet hose connector, when air is inlet, external air enters the air inlet cavity of the air inlet distributor through the air inlet main connector and is distributed through each air inlet hose, and finally is distributed to the air inlet of each diaphragm through the air inlet hose;
in a similar way, because the one end of each hose of giving vent to anger is connected the chamber of giving vent to anger of distributor, the other end is through giving vent to anger hose nipple connection each diaphragm piece, when giving vent to anger, the gas of each diaphragm piece department exhalation is through giving vent to anger hose flow to distributor department of giving vent to anger, the flow through the check valve then flow to the chamber department of giving vent to anger of distributor and gather, at last through giving vent to anger the total joint and arrange to the external world, in-process, owing to be equipped with the check valve, be used for preventing that external gas from getting into the inside of diaphragm pump through this passageway, avoid external unnecessary entering of gas to cause the interference, and the efficiency is reduced.
The above is only the embodiment of the present invention, not so above only is the embodiment of the present invention, not so limiting the patent scope of the present invention, all of which utilize the equivalent structure made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, all of which are included in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a fan mounting structure for diaphragm pump which characterized in that: the diaphragm pump comprises a motor (10), the fan mounting structure comprises a fan (20) and a clearance ring, the fan comprises a base (201) and a plurality of fan blades (202), a mounting cavity (203) is formed in the center of the base, all the fan blades are distributed in a circular ring shape by taking the mounting cavity as the center, the clearance ring is sleeved on an output shaft (101) of the motor, the mounting cavity of the fan is tightly matched and mounted with the clearance ring, and the fan is tightly mounted on the output shaft of the motor through expansion of the clearance ring;
the other end of the diaphragm pump is provided with a gas path assembly (30), the gas path assembly comprises a gas inlet main joint (1), a gas inlet distributor (2) and a gas outlet distributor (3), the gas inlet distributor is divided into a gas inlet cavity (22) and a gas outlet cavity (23) through a partition plate (21), the gas inlet main joint is arranged on the side where the gas inlet cavity of the gas inlet distributor is located, and the gas outlet distributor is arranged on the side where the gas outlet cavity of the gas inlet distributor is located;
the air inlet distributor is provided with a plurality of air inlet hose interfaces (221) connected with air inlet hoses, and the air inlet cavity is simultaneously communicated with the air inlet main joint and the plurality of air inlet hose interfaces;
the air outlet distributor is provided with a plurality of air outlet hose connectors (31) connected with air outlet hoses, an air outlet cavity of the air inlet distributor is connected with an air outlet main joint (7), and the air outlet distributor is hermetically connected with the air inlet distributor through a sealing ring (5);
the number of the air inlet hose interfaces is consistent with that of the air outlet hose interfaces;
a one-way valve (6) for preventing outside air from entering is arranged between the air inlet distributor and the air outlet distributor.
2. The fan mounting structure for a diaphragm pump according to claim 1, wherein: the side of the base close to the motor is provided with a circle of annular groove (204), a plurality of reinforcing ribs (2041) are arranged in the annular groove by taking the mounting cavity as the center, and each reinforcing rib is formed by taking the mounting cavity as the center and extending along the radial direction of the groove wall of the annular groove.
3. The fan mounting structure for a diaphragm pump according to claim 1, wherein: the fan is a nylon fan.
4. The fan mounting structure for a diaphragm pump according to claim 1, wherein: the flabellum is equipped with 11.
5. The fan mounting structure for a diaphragm pump according to claim 1, wherein: the check valve is an overpressure valve.
6. The fan mounting structure for a diaphragm pump according to claim 1, wherein: the air inlet main joint and the air inlet distributor are integrally connected or separately connected.
7. The fan mounting structure for a diaphragm pump according to claim 1, wherein: the air inlet main joint is a Teflon joint, and the air inlet distributor and the air outlet distributor are Teflon distributors.
8. The fan mounting structure for a diaphragm pump according to claim 1, wherein: the diaphragm pump further comprises a cavity (40), a motor end flange (50) and a bearing end flange (60), wherein the motor end flange and the bearing end flange are mounted at two ends of the cavity, one end of the air outlet distributor is mounted on the bottom plate (4), and the air path assembly is mounted on the bearing end flange through the bottom plate.
9. The fan mounting structure for a diaphragm pump according to claim 1, wherein: the diaphragm pump is a chemical diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120319503.0U CN214424672U (en) | 2021-02-04 | 2021-02-04 | Fan mounting structure for diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120319503.0U CN214424672U (en) | 2021-02-04 | 2021-02-04 | Fan mounting structure for diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214424672U true CN214424672U (en) | 2021-10-19 |
Family
ID=78070438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120319503.0U Active CN214424672U (en) | 2021-02-04 | 2021-02-04 | Fan mounting structure for diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214424672U (en) |
-
2021
- 2021-02-04 CN CN202120319503.0U patent/CN214424672U/en active Active
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