CN219299490U - Diaphragm pump with long service life - Google Patents
Diaphragm pump with long service life Download PDFInfo
- Publication number
- CN219299490U CN219299490U CN202122423991.2U CN202122423991U CN219299490U CN 219299490 U CN219299490 U CN 219299490U CN 202122423991 U CN202122423991 U CN 202122423991U CN 219299490 U CN219299490 U CN 219299490U
- Authority
- CN
- China
- Prior art keywords
- eccentric wheel
- diaphragm
- swinging disc
- bearing
- swinging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a diaphragm pump with long service life, which comprises a driving unit and a pump body unit connected with the driving unit, wherein the pump body unit is connected with the driving unit; the pump body unit comprises an eccentric wheel connected with the driving unit, a swinging disc connected with the eccentric wheel, a diaphragm group covered on the eccentric wheel and the swinging disc, and an upper cover group arranged above the diaphragm group; the device is characterized in that a bearing is sleeved on the eccentric wheel, the swinging disc is covered on the bearing, the swinging disc is connected with the diaphragm group, the driving unit drives the eccentric wheel to rotate, the bearing generates rolling friction with the eccentric wheel and the swinging disc, and the swinging disc swings to drive the diaphragm group to move up and down so as to enable the upper cover group to flow in and out; the rolling friction between the swinging disc and the eccentric wheel and the bearing changes the friction mode, reduces the friction force, reduces the noise, saves the electricity and prolongs the service life.
Description
Technical Field
The utility model relates to the technical field of pump products, in particular to a diaphragm pump with long service life.
Background
The diaphragm pump is characterized in that a diaphragm group and an eccentric wheel are arranged in the pump body and are matched with each other to realize the adjustment of fluid in the pump body, and the diaphragm pump is far away from the pump body by utilizing the pressure difference between different cavities in the pump body and an external cavity to suck and discharge the fluid. However, in the prior art, the oscillating disc 5 of the diaphragm pump 8 is not connected with the eccentric wheel 2 through a connecting shaft 83, and as shown in fig. 2, the steel ball 4 is arranged at one end of the connecting shaft 83 and is positioned in the eccentric wheel 2, so that when the diaphragm pump is in a negative pressure pumping state, the diaphragm group is flattened to affect the service life of the diaphragm group; moreover, the eccentric wheel 2 drives the swinging disc 5 to swing through the connecting shaft 83, sliding friction is generated between the connecting shaft 83 and the eccentric wheel 2 and between the connecting shaft and the swinging disc 5, so that generated friction force is larger, noise is larger, power consumption is reduced, and service life is shortened.
Disclosure of Invention
The utility model provides a diaphragm pump with long service life for solving the problems.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the diaphragm pump with the long service life comprises a driving unit and a pump body unit connected with the driving unit, wherein the pump body unit is connected with the driving unit; the pump body unit comprises an eccentric wheel connected with the driving unit, a swinging disc connected with the eccentric wheel, a diaphragm group covered on the eccentric wheel and the swinging disc, and an upper cover group arranged above the diaphragm group; and a yielding part is arranged between the top of the eccentric wheel and the middle part of the swinging disc.
Preferably, a bearing is sleeved on the eccentric wheel, the swinging disc is covered on the bearing, the swinging disc is connected with the membrane group, the driving unit drives the eccentric wheel to rotate, the bearing, the eccentric wheel and the swinging disc generate rolling friction, so that the swinging disc swings to drive the membrane group to move up and down, and the upper cover group can flow in and out.
Preferably, the abdication part is provided with a steel ball, and the steel ball props against the swinging disc.
Preferably, a shaft hole is formed in the axis of the swinging disc, a groove corresponding to the shaft hole is formed in the end face, close to one side of the swinging disc, of the eccentric wheel, the steel balls are contained in the groove and penetrate through the shaft hole, and the steel balls enable the shaft hole and the groove to form the abdication part.
Preferably, the yielding portion is provided with a yielding space.
Preferably, the middle part of the swinging disc is far away from the end surface of one side of the eccentric wheel and is arranged in an arc-shaped bulge, the middle part of the swinging disc is close to the end surface of one side of the eccentric wheel and is along with the arc-shaped bulge to be far away from the bulge of one side of the eccentric wheel, the eccentric wheel is close to the end surface of one side of the swinging disc and the middle part of the swinging disc is close to the end surface of one side of the eccentric wheel and is arranged in a flat end surface, and the flat end surface of the eccentric wheel corresponds to the arc-shaped bulge of the swinging disc, so that the swinging disc can not prop against the eccentric wheel to form the abdication space.
Preferably, an accommodating cavity is formed in one end, close to the eccentric wheel, of the middle end face of the swinging disc, and the eccentric wheel is accommodated in the accommodating cavity; the bearing is sleeved on the outer side wall of the eccentric wheel, the bearing is accommodated in the accommodating cavity along with the eccentric wheel, and the outer side wall of the bearing is attached to the inner side wall of the accommodating cavity.
Preferably, the bearing is a ball bearing.
Preferably, the swinging disc is provided with a plurality of swinging holes, and the swinging holes are uniformly distributed around the axis of the swinging disc; the diaphragm group is close to one end of the swinging disc and is convexly provided with a diaphragm corresponding to the swinging hole, and the diaphragm is movably inserted into the swinging hole.
Preferably, the upper cover group comprises an inlet and an outlet which are arranged far away from each other, and the membrane group can movably open and close the inlet and/or the outlet.
The beneficial effects of the utility model are as follows:
1) The yielding part is arranged at the top of the eccentric wheel and the center of the swinging disc, and the steel balls can be arranged on the yielding part or the yielding space is arranged, so that when the diaphragm pump is in a negative pressure pumping state, the diaphragm group can be prevented from being sucked flat to influence the service life of the diaphragm group.
2) The bearing is arranged between the swinging disc and the eccentric wheel, so that the connecting shaft between the swinging disc and the eccentric wheel is subtracted, the sliding friction between the swinging disc and the eccentric wheel and the connecting shaft is changed into the rolling friction between the swinging disc and the eccentric wheel as well as between the bearing, the friction mode is changed, the friction force is reduced, the noise is reduced, the electricity is saved, and the service life is prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
fig. 1 is an exploded view of a long life diaphragm pump of the present utility model.
Fig. 2 is a cross-sectional view of a prior art long life diaphragm pump of the present utility model.
Fig. 3 is a cross-sectional view of a first embodiment of a long life diaphragm pump of the present utility model.
Fig. 4 is an isometric view of an eccentric of a first embodiment of a long life diaphragm pump of the present utility model.
Fig. 5 is an isometric view of a wobble plate of a first embodiment of a long life diaphragm pump of the present utility model.
Fig. 6 is a cross-sectional view of a second embodiment of a long life diaphragm pump of the present utility model.
Fig. 7 is an isometric view of an eccentric of a second embodiment of a long life diaphragm pump of the present utility model.
Fig. 8 is an isometric view of a wobble plate of a second embodiment of a long life diaphragm pump of the present utility model.
Fig. 9 is a cross-sectional view of a third embodiment of a long life diaphragm pump of the present utility model.
Fig. 10 is an isometric view of an eccentric of a third embodiment of a long life diaphragm pump of the present utility model.
Fig. 11 is an isometric view of a wobble plate of a third embodiment of a long life diaphragm pump of the present utility model.
Reference numerals in the drawings:
1. a driving unit; 11. a motor; 111. a rotating shaft; 12. a connector;
2. an eccentric wheel; 21. a shaft insertion hole; 22. a groove;
3. a bearing;
4. steel balls; 41. a space for giving way;
5. a swinging disc; 51. a swing hole; 52. a shaft hole;
6. a diaphragm group; 61. a membrane;
7. an upper cover group; 71. an inlet; 72. an outlet;
80. an existing diaphragm pump; 83. and a connecting shaft.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear and obvious, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1, 3 to 11, a long-life diaphragm 61 pump according to a preferred embodiment of the present utility model includes a driving unit 1, and a pump body unit connected to the driving unit 1, specifically, the pump body unit is connected to a rotating shaft of the driving unit 1, the pump body unit includes an eccentric wheel 2 inserted in the rotating shaft, a swinging disc 5 connected to the eccentric wheel 2, a diaphragm set 6 covering the eccentric wheel 2 and the swinging disc 5, and an upper cover set 7 covering the diaphragm set 6, a bearing 3 is sleeved on the eccentric wheel 2, the swinging disc 5 covers the bearing 3, the swinging disc 5 is connected to the diaphragm set 6, the driving unit 1 drives the eccentric wheel 2 to rotate, the bearing 3 generates rolling friction with the eccentric wheel 2 and the swinging disc 5, so that the swinging disc 5 swings to drive the diaphragm set 6 to move up and down, and the upper cover set 7 flows in and out.
And a yielding part is arranged between the top of the eccentric wheel 2 and the middle part of the swinging disc 5, and can prevent the diaphragm group 6 from being sucked flat to influence the service life of the diaphragm group 6 when negative pressure is pumped by the yielding part. Specifically, the abdication part may be provided with a steel ball 4, and the steel ball 4 abuts against the swing disc 5; the yielding portion may also be provided with a yielding space 41.
The driving unit 1 comprises a motor 11 and a connector 12 connected with the motor 11, and the connector 12 is arranged at one end close to the pump body unit; the connector 12 is provided with a cavity towards one end of the pump body unit, the end face of the cavity, which is close to one side of the motor 11, is provided with a rotating shaft hole 52, and the rotating shaft penetrates through the rotating shaft hole 52 to be connected with the pump body unit; the rotating shaft is arranged on the motor 11. And one end of the eccentric wheel 2, which is close to the rotating shaft, is provided with a shaft jack 21, and the rotating shaft is inserted into the shaft jack 21 so that the motor 11 is connected with the eccentric wheel 2.
The swinging disc 5 is provided with a plurality of swinging holes 51, and the swinging holes 51 are uniformly distributed around the axis of the swinging disc 5; the diaphragm group 6 is provided with a diaphragm 61 corresponding to the swinging hole 51 at one end close to the swinging disc 5, and the diaphragm 61 is movably inserted into the swinging hole 51. The axis of the swinging disc 5 is provided with a shaft hole 52, the end surface of the eccentric wheel 2, which is close to one side of the swinging disc 5, is provided with a groove 22 corresponding to the shaft hole 52, the steel balls 4 are accommodated in the groove 22 and penetrate through the shaft hole 52, the swinging disc 5 is acted by the steel balls 4 and swings along with the eccentric wheel 2, and when the diaphragm 61 pump is in a negative pressure pumping state, the steel balls 4 can prevent the diaphragm group 6 from being sucked flat to influence the service life of the diaphragm group 6. The middle end face of the swinging disc 5 is arranged in a protruding mode and far away from one end of the eccentric wheel 2, a containing cavity is formed in the middle end face of the swinging disc 5, close to one end of the eccentric wheel 2, and the eccentric wheel 2 is contained in the containing cavity. The bearing 3 is sleeved on the outer side wall of the eccentric wheel 2, the bearing 3 is accommodated in the accommodating cavity along with the eccentric wheel 2, and the outer side wall of the bearing 3 is attached to the inner side wall of the accommodating cavity. The bearing 3 is a ball bearing 3. The diaphragm group 6 is connected with the connector 12, so that the swinging disc 5, the bearing 3, the steel balls 4 and the eccentric wheel 2 are all accommodated in a space between the diaphragm group 6 and the connector 12.
In the first embodiment, please see fig. 3 to 5, the swing hole 51 has four, the middle part of the swing disc 5 is far away from the side end surface of the eccentric wheel 2 and is arranged in an arc-shaped protrusion, the middle part of the swing disc 5 is close to the side end surface of the eccentric wheel 2 and is arranged in a flat manner, the side end surface of the eccentric wheel 2 is close to the side end surface of the swing disc 5 and is arranged corresponding to the side end surface of the eccentric wheel 2, the groove 22 is arranged on the flat end surface of the eccentric wheel 2, which is close to one end of the swing disc 5, the shaft hole 52 is penetrated by the protrusion end surface and the flat end surface of the middle part of the swing disc 5, the steel balls 4 are accommodated in the groove 22 and penetrate through the shaft hole 52, the swing disc 5 is acted by the steel balls 4 and swings along with the eccentric wheel 2, and when the diaphragm 61 pump is in a negative pressure state, the steel balls 4 can prevent the diaphragm 6 from being sucked and flattened to affect the service life of the diaphragm set 6. The shaft insertion hole 21 of the eccentric wheel 2 and the groove 22 are arranged far away from each other and cannot be communicated with each other.
In the second embodiment, please see fig. 6 to 8, the swinging hole 51 has four, the middle portion of the swinging disc 5 is far away from the side end surface of the eccentric wheel 2 and is arranged in an arc-shaped protrusion, the side end surface of the swinging disc 5 near the eccentric wheel 2 is protruded along with the arc-shaped protrusion and is far away from the eccentric wheel 2, the side end surface of the eccentric wheel 2 near the swinging disc 5 and the side end surface of the swinging disc 5 near the eccentric wheel 2 are correspondingly protruded, the groove 22 is arranged on the protruding end surface of the eccentric wheel 2 near one end of the swinging disc 5, the shaft hole 52 is penetrated by the arc-shaped protrusion end surface of the middle portion of the swinging disc 5, the steel balls 4 are accommodated in the groove 22 and penetrate through the shaft hole 52, the swinging disc 5 is acted by the steel balls 4 and swings along with the eccentric wheel 2, and when the diaphragm 61 pump is in a negative pressure pumping state, the flat diaphragm group 6 can be prevented from being sucked to affect the service life of the diaphragm group 6. The shaft insertion hole 21 of the eccentric wheel 2 and the groove 22 are mutually communicated, the rotating shaft is inserted into the shaft insertion hole 21, the length of the rotating shaft is smaller than the depth of the shaft insertion hole 21, and the rotating shaft cannot interfere with the steel balls 4 to influence the swing of the swing disc 5 and the rotation of the eccentric wheel 2.
In the third embodiment, please see fig. 9 to 11, the number of the swinging holes 51 is three, the middle part of the swinging disc 5 is arranged away from the side end surface of the eccentric wheel 2 and forms an arc-shaped bulge, the side end surface of the swinging disc 5, which is close to the eccentric wheel 2, protrudes towards the side away from the eccentric wheel 2 along with the arc-shaped bulge, the side end surface of the eccentric wheel 2, which is close to the swinging disc 5, and the side end surface of the swinging disc 5, which is close to the eccentric wheel 2, are arranged to form a flat end surface, the flat end surface of the eccentric wheel 2 corresponds to the arc-shaped bulge of the swinging disc 5, so that the swinging disc 5 can not prop against the eccentric wheel 2, and a yielding space 41 is formed; when the diaphragm 61 pump is in a negative pressure pumping state, the yielding space 41 can prevent the diaphragm group 6 from being sucked flat to influence the service life of the diaphragm group 6; the groove 22 is not arranged on the eccentric wheel 2, and the steel ball 4 is not arranged between the eccentric wheel 2 and the swinging disc 5. The shaft insertion hole 21 of the eccentric wheel 2 penetrates through the flat end surface, the rotating shaft is inserted into the shaft insertion hole 21, the length of the rotating shaft is smaller than the depth of the shaft insertion hole 21, and the rotating shaft cannot interfere with the arc-shaped protrusions to influence the swing of the swing disc 5 and the rotation of the eccentric wheel 2.
The upper cover group 7 comprises an inlet 71 and an outlet 72 which are arranged far away from each other, and the membrane group 6 can movably open and close the inlet 71 and/or the outlet 72.
The working principle of the utility model is briefly described as follows:
water enters from the inlet 71 and flows to each membrane 61, and the motor 11 drives the eccentric wheel 2 to rotate, so as to drive the swinging disc 5 to swing, and drives the membranes 61 to circularly move up and down, so that water flows out from the opened outlet 72. At the same time, the other membrane 61 opens and/or closes the inlet 71 and/or the outlet 72. The bearing 3 that sets up between wobble plate 5 with eccentric wheel 2 is antifriction bearing 3, makes wobble plate 5 with produce rolling friction between the eccentric wheel 2, improves the life of diaphragm 61 pump to reduce power, thereby the power saving, experiments show that the life-span can prolong twice, can save electricity about 10%, and the noise is low moreover, reduces frictional force, is of value to life and use experience.
According to the utility model, the top of the eccentric wheel 2 and the center of the swinging disc 5 are provided with the yielding parts, and the yielding parts can be provided with the steel balls 4 or the yielding spaces 41, so that when the diaphragm 61 pump is in a negative pressure pumping state, the diaphragm group 6 can be prevented from being sucked flat to influence the service life of the diaphragm group 6; through set up bearing 3 between wobble plate 5 with eccentric wheel 2 subtracts the connecting axle between wobble plate 5 with eccentric wheel 2, thereby make wobble plate 5 with the eccentric wheel 2 with sliding friction between the connecting axle changes the rolling friction between wobble plate 5 with eccentric wheel 2 with bearing 3 changes the friction mode, reduces frictional force, noise reduction, practices thrift the power consumption, and increase of service life.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, as noted above, it is to be understood that the utility model is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (10)
1. The diaphragm pump with the long service life comprises a driving unit and a pump body unit connected with the driving unit, wherein the pump body unit is connected with the driving unit; the pump body unit comprises an eccentric wheel connected with the driving unit, a swinging disc connected with the eccentric wheel, a diaphragm group covered on the eccentric wheel and the swinging disc, and an upper cover group arranged above the diaphragm group; the device is characterized in that a yielding part is arranged between the top of the eccentric wheel and the middle of the swinging disc.
2. The long life diaphragm pump of claim 1, wherein a bearing is sleeved on the eccentric wheel, the swinging disc is covered on the bearing, the swinging disc is connected with the diaphragm group, the driving unit drives the eccentric wheel to rotate, the bearing generates rolling friction with the eccentric wheel and the swinging disc, and the swinging disc swings to drive the diaphragm group to move up and down so as to enable the upper cover group to flow in and out.
3. The long life diaphragm pump of claim 2, wherein said relief is provided with a steel ball that abuts said wobble plate.
4. The diaphragm pump of claim 3, wherein the axis of the oscillating disc is provided with a shaft hole, the end surface of the eccentric wheel, which is close to one side of the oscillating disc, is provided with a groove corresponding to the shaft hole, the steel ball is accommodated in the groove and penetrates through the shaft hole, and the steel ball enables the shaft hole and the groove to form the abdication part.
5. The long life diaphragm pump of claim 2, wherein said relief portion defines a relief space.
6. The long life diaphragm pump of claim 5, wherein the middle portion of the wobble plate is disposed away from the side end surface of the eccentric wheel and is in an arc-shaped protrusion, the side end surface of the wobble plate, which is close to the middle portion of the wobble plate, protrudes away from the eccentric wheel along with the arc-shaped protrusion, the side end surface of the eccentric wheel, which is close to the wobble plate, and the side end surface of the wobble plate, which is close to the middle portion of the wobble plate, are disposed in a flat end surface, the flat end surface of the eccentric wheel corresponds to the arc-shaped protrusion of the wobble plate, so that the wobble plate does not abut against the eccentric wheel, and the relief space is formed.
7. The long-life diaphragm pump of any one of claims 2 to 6, wherein a receiving chamber is formed in a middle end surface of the oscillating disc near one end of the eccentric wheel, and the eccentric wheel is received in the receiving chamber; the bearing is sleeved on the outer side wall of the eccentric wheel, the bearing is accommodated in the accommodating cavity along with the eccentric wheel, and the outer side wall of the bearing is attached to the inner side wall of the accommodating cavity.
8. The long life diaphragm pump of claim 7 wherein said bearing is a ball bearing.
9. The long life diaphragm pump of claim 7, wherein said wobble plate is provided with a plurality of wobble holes, a plurality of said wobble holes being uniformly distributed around the axis of said wobble plate; the diaphragm group is close to one end of the swinging disc and is convexly provided with a diaphragm corresponding to the swinging hole, and the diaphragm is movably inserted into the swinging hole.
10. The long life diaphragm pump of claim 9 wherein said set of covers includes an inlet and an outlet disposed remotely from each other, said set of diaphragms movably opening and closing said inlet and/or said outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122423991.2U CN219299490U (en) | 2021-10-08 | 2021-10-08 | Diaphragm pump with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122423991.2U CN219299490U (en) | 2021-10-08 | 2021-10-08 | Diaphragm pump with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219299490U true CN219299490U (en) | 2023-07-04 |
Family
ID=86986810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122423991.2U Active CN219299490U (en) | 2021-10-08 | 2021-10-08 | Diaphragm pump with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219299490U (en) |
-
2021
- 2021-10-08 CN CN202122423991.2U patent/CN219299490U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209781143U (en) | Axial plunger pump | |
| CN219299490U (en) | Diaphragm pump with long service life | |
| CN201401336Y (en) | Axial-thrust balancing centrifugal pump | |
| CN205559372U (en) | Centrifugal pump inlet pressure is from balancing unit | |
| CN210273746U (en) | Small screw compressor motor | |
| CN109356847B (en) | Quantitative ball plug pump | |
| CN216554316U (en) | Anti-drip miniature diaphragm pump | |
| CN110630465B (en) | Plunger pump | |
| CN201377439Y (en) | Self-priming front-mounted pump with high suction lift | |
| CN213478623U (en) | High-efficiency wear-resistant diaphragm pump | |
| CN101334038A (en) | Mini water pump | |
| CN208749539U (en) | Screw compressor and air conditioner with it | |
| US20090238709A1 (en) | Magnetic vane ejection for a rotary vane air motor | |
| CN220705930U (en) | Gear pump body | |
| CN219754768U (en) | Vacuum pressure-maintaining miniature air pump | |
| CN206386239U (en) | A kind of micro pump | |
| CN210829678U (en) | Micropump with long service life | |
| CN215672642U (en) | Permanent magnet variable frequency constant pressure control water supply pump | |
| CN211777928U (en) | Eccentric column type diaphragm special pump | |
| CN221299447U (en) | Transmission structure and miniature diaphragm pump | |
| CN215256659U (en) | Rotating body device for swing type compressor and fixed displacement compressor | |
| CN220955987U (en) | Diaphragm pump with non-return function | |
| CN212959235U (en) | Integrated sealing device for split pump | |
| JP4721319B2 (en) | Internal gear pump for water | |
| CN220036938U (en) | Compressor and refrigeration equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |