CN217327619U - Height position adjusting device for diaphragm pump diaphragm - Google Patents
Height position adjusting device for diaphragm pump diaphragm Download PDFInfo
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- CN217327619U CN217327619U CN202220082137.6U CN202220082137U CN217327619U CN 217327619 U CN217327619 U CN 217327619U CN 202220082137 U CN202220082137 U CN 202220082137U CN 217327619 U CN217327619 U CN 217327619U
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- diaphragm
- altimeter
- reference surface
- fixed orifices
- spliced eye
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Abstract
The utility model belongs to the technical field of the diaphragm pump, a high position control device for diaphragm pump diaphragm is disclosed, which comprises a support, be equipped with the spliced eye above the support, be equipped with the reference surface below, install the altimeter in the spliced eye, the altimeter is installed in the spliced eye through the jackscrew, reference surface central point puts and is equipped with the diaphragm fixed orifices, install four locating pins around the diaphragm fixed orifices, the diaphragm fixed orifices fit in is connected with the diaphragm, altimeter bottom probe contacts in the diaphragm, be equipped with the erection column below the diaphragm, the utility model discloses can be at the high position of post-assembly actual measurement diaphragm to through the mode that increases or reduces the gasket, realize the accurate assembly of diaphragm position, the clearance volume of accurate control diaphragm pump can guarantee the life of diaphragm.
Description
Technical Field
The utility model belongs to the technical field of the diaphragm pump, concretely relates to a high position control device for diaphragm pump diaphragm.
Background
In a miniature electric diaphragm pump, the assembly gap between the diaphragm and the intermediate plate is a very important parameter. Too large a gap will result in increased diaphragm pump clearance volume and insufficient vacuum; too small a gap may cause the diaphragm to collide and interfere with the intermediate plate during the reciprocating motion, thereby generating abnormal noise and affecting the life of the diaphragm. In general, the assembly gap between the diaphragm and the intermediate plate is often ensured by dimensional tolerances of the individual parts, which generally makes it difficult to achieve a sufficiently small clearance volume; or require very high precision part sizes to achieve small clearance volumes, at high cost.
The following fig. 1 is a prior art installation diagram (cabinet a, mid-plate B, diaphragm D linkage assembly).
SUMMERY OF THE UTILITY MODEL
To the problem that the above-mentioned background art provided, the utility model aims at: aims to provide a height position adjusting device for a diaphragm of a diaphragm pump.
In order to realize the technical purpose, the utility model adopts the following technical scheme: the utility model provides a high position control device for diaphragm pump diaphragm, includes the support, be equipped with the spliced eye above the support, be equipped with the reference surface below, install the altimeter in the spliced eye, the altimeter is installed in the spliced eye through the jackscrew, reference surface central point puts and is equipped with the diaphragm fixed orifices, install four locating pins around the diaphragm fixed orifices, the cooperation is connected with the diaphragm in the diaphragm fixed orifices, altimeter bottom probe contact in diaphragm.
Further limiting, the flatness requirement of the reference surface is 0.05, and the perpendicularity of the reference surface and the inserting hole is 0.01, so that the machining precision is guaranteed, the measuring error is reduced, and the measuring result is more accurate.
Further defined, the diaphragm fixing hole is in transition fit with the diaphragm, and the outer edge of the diaphragm is fixed by the diaphragm fixing hole 13 in such a design that the diaphragm is prevented from moving horizontally.
Further inject, four the locating pin corresponds with the screw hole on the diaphragm pump casing, and such design can fix a position the diaphragm fast and the position of altimeter bottom probe.
Adopt the utility model discloses a beneficial effect:
the utility model can actually measure the height position of the diaphragm after assembly, realize the accurate assembly of the position of the diaphragm by increasing or reducing the gaskets, accurately control the clearance volume of the diaphragm pump, and ensure the working life of the diaphragm;
drawings
The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a cross-sectional view of a prior art installation;
fig. 2 is a cross-sectional view of an embodiment of the height position adjustment device for a diaphragm pump of the present invention;
fig. 3 is an isometric view of an embodiment of a height position adjustment device for a diaphragm pump diaphragm of the present invention;
the main element symbols are as follows:
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
As shown in fig. 3, the utility model discloses a high position control device for diaphragm pump diaphragm, including support 1, be equipped with spliced eye 11 above the support 1, be equipped with reference surface 12 below, install altimeter 2 in the spliced eye 11, altimeter 2 is installed in spliced eye 11 through the jackscrew, and reference surface 12 central point puts and is equipped with diaphragm fixed orifices 13, installs four locating pins 14 around the diaphragm fixed orifices 13, and diaphragm fixed orifices 13 fit in is connected with the diaphragm, and 2 bottom probes of altimeter contact in the diaphragm.
In this embodiment, when using a height position adjusting device for a diaphragm pump diaphragm, first, the reading of the height gauge 2 when the probe is just flush with the reference surface 12 is calibrated to the height 0 position, and then the height gauge 2 is fixed to the mount 1 using a jackscrew.
The reference surface 12 of the device is provided with 4 positioning pins 14, and the positioning pins 14 correspond to threaded holes on the shell of the diaphragm pump. After the alignment pins 14 are snapped into the housing, the reference surface 12 will be in full contact with the upper surface of the housing. The device is fastened on the machine shell by hands, the outer edge of the diaphragm is fixed by the diaphragm fixing hole 13, and the diaphragm is prevented from moving horizontally; at this point, the measurement probe of the height gauge 2 will just touch the topmost point of the center of the diaphragm. The eccentric wheel of the diaphragm pump is rotated, the diaphragm can move up and down under the driving of the eccentric wheel connecting rod mechanism, and the height values of the highest point and the lowest point of the diaphragm can be measured through the reading of the height meter 2.
In the actual assembly of the diaphragm pump, the height value of the diaphragm can be measured using the above-described apparatus and method after the assembly of the diaphragm is completed. When the height value exceeds the desired set index, the height of the diaphragm can be changed by increasing or decreasing the corresponding size of the spacer between the diaphragm and the connecting rod, thereby precisely securing the height position of the diaphragm.
The flatness requirement of the reference surface 12 is preferably 0.05, and the perpendicularity of the reference surface 12 and the inserting hole 11 is 0.01, so that the design ensures the processing precision, reduces the measurement error and ensures more accurate measurement results.
Preferably, the diaphragm fixing hole 13 is in transition fit with the diaphragm, and in such a design, the outer edge of the diaphragm will be fixed by the diaphragm fixing hole 13, so as to prevent the diaphragm from moving horizontally, and in fact, other fitting manners can be considered according to actual conditions.
Preferably, four positioning pins 14 correspond to threaded holes in the casing of the diaphragm pump, so that the positions of the diaphragm and the probe at the bottom of the height gauge 2 can be quickly positioned, and actually, other positioning structures can be considered according to actual conditions.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (4)
1. A height position adjustment device for a diaphragm pump diaphragm, characterized by: including support (1), be equipped with spliced eye (11) above support (1), be equipped with reference surface (12) below, install altimeter (2) in spliced eye (11), altimeter (2) are installed in spliced eye (11) through the jackscrew, reference surface (12) central point puts and is equipped with diaphragm fixed orifices (13), install four locating pins (14) around diaphragm fixed orifices (13), diaphragm fixed orifices (13) fit in is connected with the diaphragm, altimeter (2) bottom probe contact in diaphragm.
2. A height position adjusting device for a diaphragm pump diaphragm according to claim 1, wherein: the flatness requirement of the reference surface (12) is 0.05, and the perpendicularity of the reference surface (12) and the plug hole (11) is 0.01.
3. A height position adjusting device for a diaphragm pump diaphragm according to claim 2, wherein: the diaphragm fixing hole (13) is in transition fit with the diaphragm.
4. A height position adjusting device for a diaphragm pump diaphragm according to claim 3, wherein: the four positioning pins (14) correspond to threaded holes in the shell of the diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220082137.6U CN217327619U (en) | 2022-01-13 | 2022-01-13 | Height position adjusting device for diaphragm pump diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220082137.6U CN217327619U (en) | 2022-01-13 | 2022-01-13 | Height position adjusting device for diaphragm pump diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217327619U true CN217327619U (en) | 2022-08-30 |
Family
ID=82993251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220082137.6U Active CN217327619U (en) | 2022-01-13 | 2022-01-13 | Height position adjusting device for diaphragm pump diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217327619U (en) |
-
2022
- 2022-01-13 CN CN202220082137.6U patent/CN217327619U/en active Active
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