CN210265083U - Diaphragm pump with intracavity damping structure - Google Patents
Diaphragm pump with intracavity damping structure Download PDFInfo
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- CN210265083U CN210265083U CN201921166206.6U CN201921166206U CN210265083U CN 210265083 U CN210265083 U CN 210265083U CN 201921166206 U CN201921166206 U CN 201921166206U CN 210265083 U CN210265083 U CN 210265083U
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Abstract
The utility model discloses an intracavity damping structure diaphragm pump, which comprises a pump shell, a pump cover, a water beating plate, a plurality of water pushing sheets, a water beating plate, a water inlet pipe, a water outlet pipe and a buffer cavity; the water pumping plate is fixed in the pump shell, and the pump cover is fixed on the pump shell; the water pushing pieces are uniformly distributed on the water beating plate; the water pushing sheet is a high-pressure water outlet area close to the center of the water beating plate, and a low-pressure water inlet area far away from the center of the water beating plate; the low-pressure water inlet area is communicated with the water inlet pipe, and the high-pressure water outlet area is communicated with the water outlet pipe; a buffer cavity is arranged between the high-pressure water outlet area and the water outlet pipe; the buffer cavity with be equipped with the damping fin between the pump casing, the damping fin with be equipped with damping fin activity space between the pump casing. Compared with the prior art, the utility model has the advantages of go out water pressure stability, long service life.
Description
Technical Field
The utility model relates to a water purification pump technical field especially relates to an intracavity damping structure diaphragm pump.
Background
The water purifier is water treatment equipment for performing deep filtration and purification treatment on water quality according to the use requirement of water, and the water purifier is a small purifier used in families in general; in a water purifier, the function of a water purifying pump plays an important role.
However, the traditional diaphragm type water purification pump is affected by the stability of the outlet water flow, and has poor effects of stabilizing the pressure and stabilizing the flow, so that the requirement of high-precision equipment cannot be met.
Disclosure of Invention
The utility model provides an in view of the above-mentioned problem that prior art exists, the utility model provides an intracavity damping structure diaphragm pump of steady voltage, stationary flow are effectual and low noise.
The utility model discloses a realize through following technical scheme: an intracavity damping structure diaphragm pump comprises a pump shell, a pump cover, a water beating plate, a plurality of water pushing sheets, a water beating plate, a water inlet pipe, a water outlet pipe and a buffer cavity; the water pumping plate is fixed in the pump shell, and the pump cover is fixed on the pump shell; the water pushing pieces are uniformly distributed on the water beating plate; the water pushing sheet is a high-pressure water outlet area close to the center of the water beating plate, and a low-pressure water inlet area far away from the center of the water beating plate; the low-pressure water inlet area is communicated with the water inlet pipe, and the high-pressure water outlet area is communicated with the water outlet pipe; a buffer cavity is arranged between the high-pressure water outlet area and the water outlet pipe; the buffer cavity with be equipped with the damping fin between the pump casing, the damping fin with be equipped with damping fin activity space between the pump casing.
Furthermore, a separation ring is arranged between the low-pressure water inlet area and the high-pressure water outlet area; the isolating ring and the water beating plate are integrally formed or fixedly connected; the isolating ring is integrally formed or fixedly connected with the pump shell; the buffer cavity is positioned in the isolating ring.
Furthermore, a damping pressing sleeve is arranged in the isolating ring, and the damping sheet is fixedly connected with the damping pressing sleeve or integrally formed with the damping pressing sleeve; the outer diameter of the damping pressing sleeve is smaller than or equal to the inner diameter of the isolating ring.
Furthermore, the damping sheet is provided with an annular groove close to the side of the buffer cavity, the damping pressure sleeve is provided with an annular bulge, and the annular groove and the annular bulge are correspondingly arranged, so that good sealing is formed.
Furthermore, the damping sheet is pressed and fixed on the damping pressure sleeve through a pump cover; and a damping fin moving space is arranged between the damping fin and the pump cover.
Further, an annular flange is arranged at the edge of the damping sheet far away from the side of the buffer cavity; the annular flange is located between the pump cover and the isolating ring.
Furthermore, the damping pressure sleeve is provided with an inner pressure relief hole and an inner water outlet hole; the isolating ring is provided with an outer pressure relief hole and the water outlet pipe; the inner pressure relief hole and the outer pressure relief hole are correspondingly arranged and communicated with the pressure relief assembly; the inner water outlet hole is communicated with the water outlet pipe.
Furthermore, the inner wall of the isolating ring is provided with a limiting structure, and the damping pressing sleeve or/and the damping sheet is/are provided with an anti-rotation structure; the anti-rotation structure is arranged corresponding to the limiting structure; an inner support frame is arranged in the damping pressure sleeve.
Further, the damping sheet is arranged on the isolating ring and is far away from the water beating plate; the damping fin and the isolating ring are integrally formed or fixedly connected.
Furthermore, the number of the water pushing sheets is three or four; the water pushing piece is driven by the cylindrical balance wheel.
Compared with the prior art, the utility model is provided with the buffer cavity and the damping sheet, when the water pressure of the high-pressure water outlet area is too high, the damping sheet moves towards the pump cover, the pressure at the water outlet pipe is effectively reduced, and the water outlet pressure of the water outlet pipe is kept stable; the phenomenon that the working energy consumption of the cylindrical balance wheel is increased due to the overhigh pressure of a high-pressure water outlet area is effectively avoided, so that the energy consumption of the water purifying pump is reduced; the water pressure of a stable high-pressure water outlet area is maintained, the water pushing piece and the cylindrical balance wheel operate more stably, and the service life of the water purifying pump is effectively prolonged; the damping pressure sleeve is arranged, the outer diameter of the damping pressure sleeve is smaller than the inner diameter of the isolating ring, the pressure stabilizing performance of the buffer cavity is further improved, the contact noise between the water pushing sheet and the water beating plate is reduced, and abnormal sound of the water purifying pump in the operation process is avoided; be equipped with cushion chamber and damping fin, can satisfy work under the different pressure: when the pump works under high pressure, the damping sheet moves towards the pump cover, so that a buffer cavity for stabilizing the pressure is formed.
Drawings
Fig. 1 is a schematic diagram of the explosion structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of I in FIG. 4;
fig. 6 is a front view of the present invention;
FIG. 7 is a sectional view taken along line B-B of FIG. 6;
fig. 8 is a bottom view of the present invention;
fig. 9 is a schematic structural view of the pump-less housing of the present invention;
FIG. 10 is a schematic illustration of the exploded structure of FIG. 9;
FIG. 11 is a schematic structural view of a damping fin and a damping press sleeve;
FIG. 12 is a bottom view of FIG. 11;
FIG. 13 is a schematic structural view of a damper;
FIG. 14 is a schematic view of a damping press sleeve;
FIG. 15 is another perspective view of the damping sleeve;
FIG. 16 is a schematic view of a water deflector;
FIG. 17 is another perspective view of the water deflector.
Detailed Description
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
An intracavity damping structure diaphragm pump comprises a pump shell 2, a pump cover 1, a water beating plate 6, a plurality of water pushing sheets 63, the water beating plate 6, a water inlet pipe 21, a water outlet pipe 22 and a buffer cavity 52; the water beating plate 6 is fixed in the pump shell 2, and the pump cover 1 is fixed on the pump shell 2; the water pushing pieces 63 are uniformly distributed on the water beating plate 6; the water pushing sheet 63 is a high-pressure water outlet area 62 close to the center of the water beating plate, and the water pushing sheet is a low-pressure water inlet area 61 far away from the center of the water beating plate; the low-pressure water inlet area 61 is communicated with the water inlet pipe 21, and the high-pressure water outlet area 62 is communicated with the water outlet pipe 22; a buffer cavity 52 is arranged between the high-pressure water outlet area 62 and the water outlet pipe 22; a damping fin 4 is arranged between the buffer cavity 52 and the pump housing 2, and a damping fin moving space 42 is arranged between the damping fin 4 and the pump housing 2.
The number of the water pushing pieces is not particularly limited, a three-cavity pump, a four-cavity pump or other multi-cavity pumps can be adopted, and corresponding water pushing pieces are provided with corresponding numbers. That is, the space between the water beating plate 6 and the bottom diaphragm 7 is divided into a plurality of cavities 68, and each cavity 68 is provided with a water pushing piece 63, a diaphragm piece 64 and a guide post 641, and the water pushing piece is driven by a driving mechanism (not shown) such as a cylindrical balance wheel and the like, which will not be described in detail herein. It should be noted that each chamber is isolated from each other, and water is pressurized individually. And a water inlet 65 and a water outlet 66 are arranged on the water beating plate of each cavity, the water inlet is communicated with the low-pressure water inlet area 61, and the water outlet 66 is communicated with the high-pressure water outlet area 62.
A separation ring 23 is arranged between the low-pressure water inlet area 61 and the high-pressure water outlet area 62; the isolating ring 23 and the water beating plate 6 are integrally formed or fixedly connected; the isolating ring 23 is integrally formed or fixedly connected between the pump housings 2; the buffer chamber 52 is located within the spacer ring 23. Wherein, the isolating ring can effectively prevent the water between the high-pressure water outlet area and the low-pressure water inlet area from flowing.
In order to make the water in the high-pressure water outlet area entering the buffer cavity flow out, the isolating ring 23 is provided with an outer water outlet hole 231, and the outer water outlet hole 231 is connected to the water outlet pipe 22.
In order to realize a good pressure relief function and protect the water purification pump from overpressure, an outer pressure relief hole 232 is formed in the isolating ring 23 and communicated with the pressure relief assembly. The specific implementation of the pressure relief assembly, which is not described in detail herein, may be implemented by a conventional spring thimble or the like.
Example one
A damping pressure sleeve 5 is arranged in the isolating ring 23, and the damping fins 4 are fixedly connected with the damping pressure sleeve 5 or integrally formed; the outer diameter of the damping pressure sleeve 5 is smaller than or equal to the inner diameter of the isolating ring 23.
The damping pressing sleeve 5 is arranged, so that the damping sheet 4 can be well fixed in the isolating ring or on the isolating ring 23, and the falling off in the use process is avoided.
When the outer diameter of the damping pressure sleeve 5 is smaller than the inner diameter of the isolating ring 23, the damping pressure sleeve can be expanded towards the isolating ring, so that the pressure in the buffer cavity is reduced, and the stable water outlet pressure of the water purifying pump is maintained.
The combination and fixing manner of the damping fin 4 and the damping pressing sleeve 5 is not particularly limited, and the damping fin and the damping pressing sleeve may be integrally formed or fixedly connected.
The isolating ring is provided with internal threads, the damping pressing sleeve is provided with external threads, the pump shell is provided with an annular groove, and the edge of the damping sheet 4, which is far away from the side of the buffer cavity, is provided with an annular flange 41; the annular flange 41 is placed in the annular groove and is sealingly fixed by the damping press sleeve 5. At the moment, the damping sheet and the damping pressing sleeve are assembled and molded.
In order to achieve better sealing, the damping sheet 4 is provided with an annular groove (not labeled in the figure) near the buffer cavity 52, the damping press sleeve is provided with an annular protrusion 51, and the annular groove is arranged corresponding to the annular protrusion 51, so that good sealing is formed.
Example two
The difference from the first embodiment is that: the pump cover 1 is detachably fixed on the pump shell 2, the pump cover 1 and the damping sleeve 5 are combined and fixed on the damping fins 4, and a damping fin moving space 42 is arranged between the damping fins 4 and the pump cover 1.
Specifically, the pump cover is fixed on the pump shell in a spiral mode, and the damping sheet is fixed on the damping press sleeve in a pressing mode.
At this time, the damping pressing sleeve may be directly sleeved in the isolating ring, or may be fixed in the isolating ring by using a thread fixing manner in the first embodiment. It should be noted that, a certain rigidity is required for the damping pressing sleeve, so that a good fixing and sealing of the damping fin is realized.
It should be noted that the damping pressure sleeve may also provide a pressing force through the water beating plate to fix the damping fin on the pump housing, and the length of the damping pressure sleeve is slightly greater than the length of the buffer cavity or the isolating ring.
EXAMPLE III
The difference from the first embodiment or the second embodiment is that: the inner wall of the isolating ring 23 is provided with a limiting structure, and the damping pressing sleeve or/and the damping fin is/are provided with an anti-rotation structure 55; the anti-rotation structure 55 is disposed corresponding to the limiting structure.
Wherein, limit structure can be interior rib, anti-rotation structure is the recess, interior rib with the recess corresponds the setting, prevents effectively that water purification pump working process in damping pressure cover is rotatory to influence water purification pump working property.
In order to improve the structural stability of the damping press sleeve, an inner support frame 56 is arranged in the damping press sleeve 5.
It should be noted that, no matter the way of fixing the damping fin in the first embodiment is adopted, or the way of fixing the damping fin in the second embodiment or the third embodiment is adopted, the damping pressure sleeve is provided with an inner pressure relief hole 54 and an inner water outlet hole 53, and the inner pressure relief hole 54 and the outer pressure relief hole 232 are correspondingly arranged and communicated with the pressure relief assembly 3; the inner water outlet hole 53 is communicated with the water outlet pipe 22 through an outer water outlet hole 231.
Example four
The damping pressing sleeve is fixed on the inner side of the annular groove 67 on the water beating plate, the damping pressing sleeve and the damping sheet are integrally formed, and the damping pressing sleeve can be made of elastic materials or rigid materials.
When the damping pressure sleeve is made of elastic materials and the outer diameter of the damping pressure sleeve is smaller than the inner diameter of the isolating ring, the damping pressure sleeve can also play a role in stabilizing pressure, and the stability of the outlet water pressure of the water purifying pump is effectively improved.
EXAMPLE five
The damping sheet 4 is arranged on the isolating ring 23 and is far away from the water beating plate 6; the damping fin 4 and the isolation ring 23 are integrally formed or fixedly connected.
At this time, the damping fins are directly fixed to the pump housing without using the damping press sleeves of the first to fourth embodiments.
When the damping fin and the isolating ring are assembled and fixedly connected, the method in the second embodiment can also be adopted, that is, the pump cover is screwed in to fix the damping fin on the isolating ring, and the isolating ring is provided with a step surface for placing the damping fin.
Compared with the prior art, the utility model is provided with the buffer cavity and the damping sheet, when the water pressure of the high-pressure water outlet area is too high, the damping sheet moves towards the pump cover, the pressure at the water outlet pipe is effectively reduced, and the water outlet pressure of the water outlet pipe is kept stable; the phenomenon that the working energy consumption of the cylindrical balance wheel is increased due to the overhigh pressure of a high-pressure water outlet area is effectively avoided, so that the energy consumption of the water purifying pump is reduced; the water pressure of a stable high-pressure water outlet area is maintained, the water pushing piece and the cylindrical balance wheel operate more stably, and the service life of the water purifying pump is effectively prolonged; the damping pressure sleeve is arranged, the outer diameter of the damping pressure sleeve is smaller than the inner diameter of the isolating ring, the pressure stabilizing performance of the buffer cavity is further improved, the contact noise between the water pushing sheet and the water beating plate is reduced, and abnormal sound of the water purifying pump in the operation process is avoided; be equipped with cushion chamber and damping fin, can satisfy work under the different pressure: when the pump works under high pressure, the damping sheet moves towards the pump cover, so that a buffer cavity for stabilizing the pressure is formed.
The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.
Claims (10)
1. Intracavity damping structure diaphragm pump, its characterized in that: the pump comprises a pump shell, a pump cover, a water beating plate, a plurality of water pushing sheets, a water beating plate, a water inlet pipe, a water outlet pipe and a buffer cavity;
the water pumping plate is fixed in the pump shell, and the pump cover is fixed on the pump shell;
the water pushing pieces are uniformly distributed on the water beating plate;
the water pushing sheet is a high-pressure water outlet area close to the center of the water beating plate, and a low-pressure water inlet area far away from the center of the water beating plate;
the low-pressure water inlet area is communicated with the water inlet pipe, and the high-pressure water outlet area is communicated with the water outlet pipe;
a buffer cavity is arranged between the high-pressure water outlet area and the water outlet pipe;
the buffer cavity with be equipped with the damping fin between the pump casing, the damping fin with be equipped with damping fin activity space between the pump casing.
2. The intracavity damping structure diaphragm pump of claim 1, wherein: an isolating ring is arranged between the low-pressure water inlet area and the high-pressure water outlet area;
the isolating ring and the water beating plate are integrally formed or fixedly connected;
the isolating ring is integrally formed or fixedly connected with the pump shell;
the buffer cavity is positioned in the isolating ring.
3. The intracavity damping structure diaphragm pump of claim 2, wherein: the isolation ring is internally provided with a damping pressing sleeve, and the damping sheet is fixedly connected with the damping pressing sleeve or integrally formed;
the outer diameter of the damping pressing sleeve is smaller than or equal to the inner diameter of the isolating ring.
4. The intracavity damping structure diaphragm pump of claim 3, wherein: the damping piece is provided with an annular groove close to the side of the buffer cavity, the damping pressing sleeve is provided with an annular bulge, and the annular groove and the annular bulge are correspondingly arranged, so that good sealing is formed.
5. The intracavity damping structure diaphragm pump of claim 3, wherein: the damping sheet is pressed and fixed on the damping pressure sleeve through a pump cover;
and a damping fin moving space is arranged between the damping fin and the pump cover.
6. The intracavity damping structure diaphragm pump of claim 5, wherein: an annular flange is arranged at the edge of the damping fin far away from the side of the buffer cavity;
the annular flange is located between the pump cover and the isolating ring.
7. The intracavity damping structure diaphragm pump of any of claims 3 to 6, wherein: the damping pressure sleeve is provided with an inner pressure relief hole and an inner water outlet hole;
the isolating ring is provided with an outer pressure relief hole and the water outlet pipe;
the inner pressure relief hole and the outer pressure relief hole are correspondingly arranged and communicated with the pressure relief assembly;
the inner water outlet hole is communicated with the water outlet pipe.
8. The intracavity damping structure diaphragm pump of claim 7, wherein: the inner wall of the isolating ring is provided with a limiting structure, and the damping pressing sleeve or/and the damping fin is/are provided with an anti-rotation structure;
the anti-rotation structure is arranged corresponding to the limiting structure;
an inner support frame is arranged in the damping pressure sleeve.
9. The intracavity damping structure diaphragm pump of claim 2, wherein: the damping sheet is arranged on the isolating ring and is far away from the water beating plate;
the damping fin and the isolating ring are integrally formed or fixedly connected.
10. The intracavity damping structure diaphragm pump of claim 1, wherein: three or four water pushing sheets are arranged;
the water pushing piece is driven by the cylindrical balance wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166206.6U CN210265083U (en) | 2019-07-23 | 2019-07-23 | Diaphragm pump with intracavity damping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166206.6U CN210265083U (en) | 2019-07-23 | 2019-07-23 | Diaphragm pump with intracavity damping structure |
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| Publication Number | Publication Date |
|---|---|
| CN210265083U true CN210265083U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921166206.6U Active CN210265083U (en) | 2019-07-23 | 2019-07-23 | Diaphragm pump with intracavity damping structure |
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| CN (1) | CN210265083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259669A (en) * | 2019-07-23 | 2019-09-20 | 佛山市沛力电器科技有限公司 | Intracavitary damping structure diaphragm pump |
-
2019
- 2019-07-23 CN CN201921166206.6U patent/CN210265083U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259669A (en) * | 2019-07-23 | 2019-09-20 | 佛山市沛力电器科技有限公司 | Intracavitary damping structure diaphragm pump |
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