CN220151511U - Diaphragm pump convenient to reduce vibration noise - Google Patents
Diaphragm pump convenient to reduce vibration noise Download PDFInfo
- Publication number
- CN220151511U CN220151511U CN202321230869.6U CN202321230869U CN220151511U CN 220151511 U CN220151511 U CN 220151511U CN 202321230869 U CN202321230869 U CN 202321230869U CN 220151511 U CN220151511 U CN 220151511U
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- Prior art keywords
- pump
- chamber
- diaphragm
- water inlet
- water outlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 194
- 238000005192 partition Methods 0.000 claims abstract description 19
- 230000035939 shock Effects 0.000 claims abstract description 14
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 12
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model relates to the technical field of diaphragm pumps, and discloses a diaphragm pump capable of reducing vibration noise conveniently, which comprises a top cover, a pump cover and a shock pad; pump cover pump shell, division board, baffle structure, built-in baffle wall, water inlet and water outlet. The inner cavity of the pump shell is divided by a division plate to form a water inlet and outlet cavity and a suction diaphragm cavity; the water inlet chamber and the water outlet chamber are separated by a baffle plate structure to form a water inlet chamber and a water outlet chamber; the water outlet chamber is larger than or equal to the water inlet chamber; the suction diaphragm chamber is separated by an internal baffle wall to form a suction diaphragm chamber and a suction diaphragm chamber which are not communicated with each other; the suction diaphragm chamber consists of 5 suction chambers which are uniformly distributed around the suction diaphragm chamber; the partition plate is provided with a water inlet hole and a water outlet hole. The diaphragm pump convenient for reducing vibration noise provided by the utility model prolongs the loop of water flow and increases the containing space of outlet water under the condition of unchanged water pressure, and greatly reduces the pressure of the outlet water, thereby being beneficial to reducing the vibration noise of the whole pump.
Description
Technical Field
The utility model relates to the technical field of diaphragm pumps, in particular to a diaphragm pump convenient for reducing vibration noise.
Background
The diaphragm pump separates the body to be infused from the plunger and the pump cylinder by a film, thereby protecting the plunger and the pump cylinder.
The Chinese patent with the patent number of CN209212516U discloses a diaphragm self-priming pump, which comprises a pump shell, a discharge valve, a sealing ring, a middle plate, a suction valve, a water inlet cavity, a water outlet cavity and a compression cavity, wherein the middle plate is of an inverted triangle structure, the compression cavity is fixedly arranged in the middle plate, the suction valve is inversely buckled in the compression cavity of the middle plate to form unidirectional conduction of the compression cavity and the water inlet cavity, and the pump shell presses the discharge valve on the middle plate to form unidirectional conduction of the compression cavity and the water outlet cavity. However, the water flow loop and the water outlet containing space of the diaphragm self-priming pump are small, so that the pressure of the water outlet is too high, and the diaphragm self-priming pump is easy to generate vibration noise.
Disclosure of Invention
The utility model aims to overcome the problems of the prior art and provides a diaphragm pump which is convenient for reducing vibration noise.
In order to achieve the above purpose, the present utility model adopts the following scheme:
the diaphragm pump comprises a top cover and a pump cover, wherein a shock pad is arranged between the pump cover and the top cover; the pump cover includes:
a pump housing;
a partition plate provided in the pump casing; the inner cavity of the pump shell is separated from the pump shell in the up-down direction by the separation plate to form a water inlet and outlet cavity and a suction diaphragm cavity;
the baffle plate structure is arranged in the pump shell and is connected with the baffle plate; the water inlet cavity and the water outlet cavity are separated by the baffle plate structure to form a water inlet cavity and a water outlet cavity which are not communicated with each other; the water outlet chamber is larger than or equal to the water inlet chamber;
a built-in baffle wall connected to the partition plate and located at the center of the suction diaphragm chamber; the suction diaphragm chamber is separated by the built-in baffle wall to form a suction diaphragm chamber and a suction diaphragm chamber which are not communicated with each other; the suction diaphragm chamber consists of 5 suction chambers which are uniformly distributed around the suction diaphragm chamber;
the partition plate is provided with a water inlet hole communicated with the water inlet cavity and the suction diaphragm cavity and a water outlet hole communicated with the extraction diaphragm cavity and the water outlet cavity;
a water inlet part and a water outlet part; the water inlet part and the water outlet part are both connected to the pump shell and are respectively communicated with the water inlet chamber and the water outlet chamber.
Further, the diaphragm pump convenient for reducing vibration noise further comprises a pump seat and a pump cavity assembly arranged on the pump seat; the pump cavity component is adaptively embedded into the pumping diaphragm cavity; the pump cavity assembly is provided with five diaphragm pump assemblies which are respectively matched and embedded with the five suction cavities.
Further, at least 4 water inlets are formed in the partition plate; at least 4 water outlets are formed in the partition plate.
Further, the water inlet holes are round holes; the water outlet holes are strip-shaped holes.
Further, the built-in retaining wall is of an annular structure.
Further, the water inlet chamber and the water outlet chamber are respectively provided with a water inlet reinforcing rib and a water outlet reinforcing rib which are connected with the baffle plate structure and the separation plate.
Further, the number of the water inlet reinforcing ribs is at least one more than the number of the water outlet reinforcing ribs.
Further, the pump shell and the baffle plate are structurally provided with a positioning groove for positioning and fixing the shock pad.
Further, the water inlet part is provided with a water inlet threaded pore canal communicated with the water inlet cavity; the water outlet part is provided with a water outlet threaded duct communicated with the water outlet chamber.
Further, the water outlet part is in a horn-shaped structure; the caliber of one end of the water outlet part communicated with the water outlet chamber is smaller than that of the other end of the water outlet part.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the damping pad is arranged between the pump cover and the top cover, so that the damping pad forms the damping air bag after being assembled with the top cover, and after air sealed in the damping air bag enters the pump cover along with water, the pressure is increased, the volume is reduced, and therefore, the damping pad can play a good role in buffering, and vibration noise is reduced.
2. The utility model improves the suction diaphragm chamber, consists of 5 suction chambers which are uniformly distributed around the suction diaphragm chamber, has a five-chamber structure design, and reduces the water discharge of each chamber under the condition of the same water discharge compared with the existing three-chamber and four-chamber structure, thereby being beneficial to reducing vibration noise.
3. The pump cover is improved in design, the flow path through which water flows is sequentially a water inlet part, a water inlet chamber, a water inlet hole, a suction diaphragm chamber, a water outlet hole, a water outlet chamber and a water outlet part, and the water outlet chamber is designed to be larger than or equal to the water inlet chamber, so that the water flow loop is prolonged and the water outlet accommodating space is increased under the condition that the water pressure is unchanged, the pressure of the water outlet is greatly reduced, and the vibration noise of the whole pump is reduced.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is an exploded perspective view of a diaphragm pump of the present utility model that facilitates reducing vibration noise.
Fig. 2 is one of the perspective schematic views of the pump cover of the present utility model.
FIG. 3 is a second perspective view of the pump cover of the present utility model.
The drawings include:
the pump comprises a top cover 1, a pump cover 2, a pump shell 21, a partition plate 22, a water inlet hole 221, a water outlet hole 222, a baffle plate structure 23, a built-in baffle wall 24, a water inlet and outlet chamber 25, a water inlet chamber 251, a water outlet chamber 252, a suction diaphragm chamber 26, a suction diaphragm chamber 261, a suction chamber 2611, a suction diaphragm chamber 262, a water inlet part 27, a water inlet threaded passage 271, a water outlet part 28, a water outlet threaded passage 281, a water inlet reinforcing rib 29, a water outlet reinforcing rib 210, a positioning groove 211, a shock pad 3, a pump seat 4, a pump chamber assembly 5 and a diaphragm pump assembly 51.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 3, a diaphragm pump for reducing vibration noise comprises a pump cover 2 and a top cover 1, wherein a shock pad 3 is arranged between the pump cover 2 and the top cover 1; to the design of shock pad 3, form the shock attenuation gasbag with shock pad 3 after with top cap 1 assembly, the inside sealed air of shock attenuation gasbag gets into behind the pump cover 2 along with water, pressure increase, and the volume can reduce, and shock pad 3 can play good cushioning effect like this to reduce vibration noise. The pump cover 2 comprises a pump shell 21, a partition plate 22, a baffle plate structure 23, an inner baffle wall 24, a water inlet part 27 and a water outlet part 28. Wherein a partition plate 22 is provided in the pump housing 21; the inner cavity of the pump shell 21 is divided by the division plate 22 relative to the upper and lower directions of the pump shell 21 to form a water inlet and outlet chamber 25 and a suction diaphragm chamber 26; a baffle plate structure 23 is provided in the pump housing 21 and connected to the baffle plate 22; the water inlet and outlet chamber 25 is separated by the baffle plate structure 23 to form a water inlet chamber 251 and a water outlet chamber 252 which are not communicated with each other; the water outlet chamber 252 is larger than or equal to the water inlet chamber 251, so that the water outlet chamber 252 is designed to enlarge the containing space of the water outlet, greatly reduce the pressure of the water outlet, and further facilitate reducing the vibration noise of the whole pump. A built-in baffle wall 24 is attached to the partition plate 22 at a central position of the suction diaphragm chamber 26; the inner retaining wall 24 has an annular structure. The suction diaphragm chamber 26 is partitioned by the built-in baffle wall 24 to form a suction diaphragm chamber 261 and a suction diaphragm chamber 262 which are not communicated with each other; the suction diaphragm chamber 261 is composed of 5 suction chambers 2611 uniformly distributed around the suction diaphragm chamber 262; the improvement of the suction diaphragm chamber 261 is made up of 5 suction chambers 2611 uniformly distributed around the suction diaphragm chamber 262, and the five-chamber design is advantageous in reducing vibration noise because the displacement of each chamber is reduced in the case of the same displacement compared with the conventional three-chamber and four-chamber structure. The partition plate 22 is provided with a water inlet 221 communicated with the water inlet chamber 251 and the suction diaphragm chamber 261 and a water outlet 222 communicated with the extraction diaphragm chamber 262 and the water outlet chamber 252; the water inlet 27 and the water outlet 28 are connected to the pump housing 21 and are respectively communicated with the water inlet chamber 251 and the water outlet chamber 252.
This diaphragm pump convenient to vibration noise reduces improves the design with pump cover 2, and the flow path that rivers passed through is intake portion 27, intake chamber 251, inlet opening 221, is inhaled diaphragm chamber 261, is taken out diaphragm chamber 262, apopore 222, goes out water chamber 252 and play water portion 28 in proper order to and design play water chamber 252 is greater than or equal to intake chamber 251, under the unchangeable circumstances of water pressure, the circuit of extension rivers and the accommodation space of increase play water reduce the pressure of play water greatly to be favorable to reducing the vibration noise of whole pump.
In this embodiment, the diaphragm pump for reducing vibration noise further includes a pump seat 4 and a pump chamber assembly 5 provided on the pump seat 4; the pump chamber assembly 5 is adapted to be embedded within the pumping diaphragm chamber 26; the pump chamber assembly 5 has five diaphragm pump assemblies 51 which are respectively fitted into the five suction chambers 2611. By modifying the suction diaphragm chamber 26 so that the suction diaphragm chamber 261 has 5 suction chambers 2611, the pump chamber assembly 5 is also correspondingly configured with 5 diaphragm pump assemblies 51, so that the displacement of each chamber is reduced under the same displacement conditions, which is advantageous in reducing vibration noise. The pump chamber assembly 5 of the present utility model is basically in communication with the structure of the existing pump chamber assembly 5, except that a plurality of diaphragm pump assemblies 51 are added, the driving members of the diaphragm pump assemblies 51 drive the diaphragm sheets thereof to deform so as to form the power for sucking and compressing the discharged fluid, and the related principles and structures are the same as those of the prior art.
In order to have good water inlet and outlet effects and improve the water inlet and outlet efficiency, the partition plate 22 is provided with at least 4 water inlet holes 221; at least 4 water outlets 222 are formed in the partition plate 22. In this embodiment, the number of water inlet holes 221 and water outlet holes 222 is the same, and is 4. Preferably, the water inlet 221 is a circular hole; the water outlet 222 is a strip-shaped hole, which is convenient for space reasonable design, and meanwhile, the water outlet 222 is a strip-shaped hole, so that the space area of the water outlet 222 occupying the water outlet cavity 252 is increased, and water flow is concentrated in the water outlet cavity 252 more quickly.
In order to enhance the structural stability of the baffle structure 23, the water inlet chamber 251 and the water outlet chamber 252 are provided with water inlet reinforcing ribs 29 and water outlet reinforcing ribs 210, respectively, which connect the baffle structure 23 and the partition plate 22. Preferably, the number of the water inlet reinforcing ribs 29 is at least one more than the number of the water outlet reinforcing ribs 210, and since the water flow enters the water inlet chamber 251 and is relatively larger than the water outlet chamber, the impact force on the baffle plate structure 23 is large, and the number of the water inlet reinforcing ribs 29 is designed to be more than the number of the water outlet reinforcing ribs 210, the structural stability of the baffle plate structure 23 can be effectively enhanced, and the connection stability of the baffle plate structure 23 can be improved.
In order to improve the installation stability of the shock pad 3, the pump housing 21 and the baffle plate structure 23 are provided with positioning grooves 211 for positioning and fixing the shock pad 3.
In this embodiment, the water inlet 27 has a water inlet screw passage 271 communicating with the water inlet chamber 251; the outlet 28 has an outlet threaded passage 281 communicating with the outlet chamber 252. By designing the water inlet threaded hole 271 and the water outlet threaded hole 281, the water inlet 27 and the water outlet 28 are conveniently connected with corresponding pipelines in a threaded manner, and the disassembly and the assembly are convenient.
In the present embodiment, the water outlet 28 has a horn-like structure; like a conical truncated cone, specifically, the caliber of one end of the water outlet 28, which is communicated with the water outlet chamber 252, is smaller than the caliber of the other end. The design can reduce the pressure of the discharged water, thereby reducing the vibration noise of the whole pump.
In summary, the embodiment of the utility model provides a diaphragm pump convenient for reducing vibration noise, wherein the diaphragm pump convenient for reducing vibration noise is designed to improve a pump cover 2, a water flow path is sequentially a water inlet 27, a water inlet chamber 251, a water inlet 221, a water suction diaphragm chamber 261, a water extraction diaphragm chamber 262, a water outlet 222, a water outlet chamber 252 and a water outlet 28, and the water outlet chamber 252 is designed to be larger than or equal to the water inlet chamber 251, so that a water flow loop is prolonged and a water containing space is enlarged under the condition that the water pressure is unchanged, the pressure of the water outlet is greatly reduced, and the vibration noise of the whole pump is reduced.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (10)
1. The diaphragm pump comprises a top cover and a pump cover, and is characterized in that a shock pad is arranged between the pump cover and the top cover; the pump cover includes:
a pump housing;
a partition plate provided in the pump casing; the inner cavity of the pump shell is separated from the pump shell in the up-down direction by the separation plate to form a water inlet and outlet cavity and a suction diaphragm cavity;
the baffle plate structure is arranged in the pump shell and is connected with the baffle plate; the water inlet cavity and the water outlet cavity are separated by the baffle plate structure to form a water inlet cavity and a water outlet cavity which are not communicated with each other; the water outlet chamber is larger than or equal to the water inlet chamber;
a built-in baffle wall connected to the partition plate and located at the center of the suction diaphragm chamber; the suction diaphragm chamber is separated by the built-in baffle wall to form a suction diaphragm chamber and a suction diaphragm chamber which are not communicated with each other; the suction diaphragm chamber consists of 5 suction chambers which are uniformly distributed around the suction diaphragm chamber;
the partition plate is provided with a water inlet hole communicated with the water inlet cavity and the suction diaphragm cavity and a water outlet hole communicated with the extraction diaphragm cavity and the water outlet cavity;
a water inlet part and a water outlet part; the water inlet part and the water outlet part are both connected to the pump shell and are respectively communicated with the water inlet chamber and the water outlet chamber.
2. The diaphragm pump for facilitating vibration and noise reduction according to claim 1, further comprising a pump base and a pump chamber assembly provided on the pump base; the pump cavity component is adaptively embedded into the pumping diaphragm cavity; the pump cavity assembly is provided with five diaphragm pump assemblies which are respectively matched and embedded with the five suction cavities.
3. The diaphragm pump for facilitating reduction of vibration noise according to claim 1 or 2, wherein the partition plate is provided with at least 4 water inlet holes; at least 4 water outlets are formed in the partition plate.
4. A diaphragm pump for facilitating reduction of vibration noise according to claim 3, wherein the water inlet hole is a circular hole; the water outlet holes are strip-shaped holes.
5. The diaphragm pump of claim 1 wherein said internal baffle wall is of annular configuration.
6. The diaphragm pump of claim 1 wherein said inlet and outlet chambers are provided with inlet and outlet ribs respectively connecting said baffle structure and said divider plate.
7. The diaphragm pump of claim 6 wherein said water inlet ribs are at least one more than said water outlet ribs.
8. The diaphragm pump for facilitating the reduction of vibration noise according to claim 1, wherein the pump housing and the baffle plate are structurally provided with a positioning groove for positioning and fixing the shock pad.
9. The diaphragm pump for facilitating vibration noise reduction according to claim 1, wherein the water inlet portion has a water inlet screw hole passage communicating with the water inlet chamber; the water outlet part is provided with a water outlet threaded duct communicated with the water outlet chamber.
10. The diaphragm pump for facilitating reduction of vibration noise according to claim 1, wherein the water outlet portion has a horn-like structure; the caliber of one end of the water outlet part communicated with the water outlet chamber is smaller than that of the other end of the water outlet part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321230869.6U CN220151511U (en) | 2023-05-19 | 2023-05-19 | Diaphragm pump convenient to reduce vibration noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321230869.6U CN220151511U (en) | 2023-05-19 | 2023-05-19 | Diaphragm pump convenient to reduce vibration noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151511U true CN220151511U (en) | 2023-12-08 |
Family
ID=89019249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321230869.6U Active CN220151511U (en) | 2023-05-19 | 2023-05-19 | Diaphragm pump convenient to reduce vibration noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151511U (en) |
-
2023
- 2023-05-19 CN CN202321230869.6U patent/CN220151511U/en active Active
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