CN213743860U - Miniature direct-current water pump - Google Patents
Miniature direct-current water pump Download PDFInfo
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- CN213743860U CN213743860U CN202022117983.0U CN202022117983U CN213743860U CN 213743860 U CN213743860 U CN 213743860U CN 202022117983 U CN202022117983 U CN 202022117983U CN 213743860 U CN213743860 U CN 213743860U
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Abstract
The utility model discloses a miniature direct current water pump, which comprises a shell, a motor fixedly connected with the shell, a cover body and a rubber layer clamped between the shell and the cover body, wherein the surface of the cover body is provided with a water outlet and a water inlet; after assembly, the water outlet cavity and the water inlet cavity are respectively communicated with the concave cavity through the first one-way valve and the second one-way valve, and the concave cavity is positioned in the through hole; the water pump adopts a single-side valve structure, so that the volume is reduced, the workload of the motor is reduced, the working current required by the water pump is smaller, and the flow can be still kept stable in a low-current environment; in addition, the structure has good silencing effect by reducing the number of components and matching with a silencing motor.
Description
Technical Field
The utility model relates to a pump, especially a direct current water pump.
Background
At present, the design of double pump bivalve is adopted mostly to the water pump on the market, and this type of design has mostly that the water pump is bulky, the operating current demand is big and noise at work shortcoming such as big, especially under the operating mode of low current, can't keep the stability of output flow, has seriously influenced user's use and has experienced.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a miniature direct current water pump with small volume and low energy consumption.
The utility model provides a technical scheme that its technical problem adopted is:
a miniature direct-current water pump comprises a shell, a motor and a cover body, wherein the motor and the cover body are fixedly connected with the shell, a rubber layer is clamped between the shell and the cover body, a water outlet and a water inlet are formed in the surface of the cover body, a water outlet cavity and a water inlet cavity are formed in the cover body, the rubber layer is provided with a concave cavity which is driven by the motor to deform, the shell is provided with a through hole, the inner wall of the water outlet cavity is provided with a first one-way valve, and the water inlet cavity is provided with a second one-way valve; after assembly, the water outlet cavity and the water inlet cavity are communicated with the concave cavity through the first one-way valve and the second one-way valve respectively, and the concave cavity is located in the through hole.
Preferably, the bottom surface of casing is provided with the opening, the output lever of motor passes get into behind the opening the inner chamber of casing, the cover is equipped with the swinging arms on the output lever of motor, the swinging arms with the cavity is connected, the motor pass through the screw fixation's mode install in the below of casing.
Preferably, the housing includes a main body and an upper cover, the opening is located on a bottom surface of the main body, the through hole is located on the upper cover, and the motor is mounted below the main body in a screw fixing manner.
Preferably, the cover is mounted above the housing by means of screw fixation.
Preferably, the water outlet and the water inlet are both positioned on the top surface of the cover body.
The utility model has the advantages that: the utility model adopts a unilateral valve structure, reduces the volume and the work load of the motor, so that the working current required by the water pump is smaller, and the flow can be still kept stable in a low-current environment; in addition, the structure has good silencing effect by reducing the number of components and matching with a silencing motor.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an exploded schematic view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
Detailed Description
The directional or positional relationships "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., are those shown in the drawings, are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention.
Referring to fig. 1 to 3, a micro dc water pump includes a housing 1, a motor 2 and a cover 3 fixedly connected to the housing 1, and a rubber layer 8 clamped between the housing 1 and the cover 3, wherein a water outlet 4 and a water inlet 5 are provided on a surface of the cover 3, a water outlet cavity 6 and a water inlet cavity 7 are provided inside the cover 3, the rubber layer 8 is provided with a cavity 9 which is driven by the motor 2 to deform, the housing 1 is provided with a through hole 10, a first check valve 11 is provided on an inner wall of the water outlet cavity 6, and the water inlet cavity 7 is provided with a second check valve 12; after assembly, the water outlet cavity 6 and the water inlet cavity 7 are respectively communicated with the concave cavity 9 through the first one-way valve 11 and the second one-way valve 12, and the concave cavity 9 is positioned in the through hole 10; the water pump adopts a single-side valve structure, so that the volume is reduced, the workload of the motor is reduced, the working current required by the water pump is smaller, and the water pump can still keep the flow stable in a low-current environment; in addition, the structure is matched with a mute motor in a mode of reducing the number of components, so that the working noise of the water pump is less than 40db, and a good mute effect is achieved; in order to keep the structure movement balanced, the number of cavities 9 is 2; in addition, the structure has wide application range and can be applied to vacuum pumps, air suction pumps, getter pumps and the like.
An opening 15 is formed in the bottom surface of the shell 1, an output rod of the motor 2 penetrates through the opening 15 and then enters the inner cavity of the shell 1, a swing rod 16 is sleeved on the output rod of the motor 2, the swing rod 16 is connected with the cavity 9, and the motor 2 is installed below the shell 1 in a screw fixing mode; when the motor works, the motor 2 enables the swinging rod 12 to swing up and down through the output rod of the motor, so that the concave cavity 9 is continuously deformed; the second one-way valve 12 allows only liquid to flow from the inlet chamber 7 to the cavity 9, and the first one-way valve 11 allows only liquid to flow from the cavity 9 to the outlet chamber 6.
The housing 1 comprises a main body 13 and an upper cover 14, the opening 11 is located on the bottom surface of the main body 13, the through hole 10 is located on the upper cover 14, and the motor 2 is mounted below the main body 13 in a screw fixing manner; the main body 13 and the upper cover 14 are fixedly connected through screws, or fixedly connected in a manner of arranging a snap structure.
The cover 3 is mounted above the housing 1 by means of screw fixation.
The water outlet 4 and the water inlet 5 are both positioned on the top surface of the cover body 3.
The motor 2 is RF-300C-10300, the motor works with low current, the maximum current is less than 150mA, and the mute effect is good.
The above embodiments are not intended to limit the scope of the present invention, and those skilled in the art will not depart from the present invention as it relates to the whole concept of the present invention, and the equal modification and change will still belong to the scope of the present invention.
Claims (5)
1. A micro direct-current water pump comprises a shell (1), a motor (2) and a cover body (3), wherein the motor (2) is fixedly connected with the shell (1); the water-saving water dispenser is characterized by further comprising a rubber layer (8) clamped between the shell (1) and the cover body (3), a water outlet (4) and a water inlet (5) are formed in the surface of the cover body (3), a water outlet cavity (6) and a water inlet cavity (7) are formed in the cover body (3), a concave cavity (9) which is driven by the motor (2) to deform is formed in the rubber layer (8), a through hole (10) is formed in the shell (1), a first one-way valve (11) is arranged on the inner wall of the water outlet cavity (6), and a second one-way valve (12) is arranged in the water inlet cavity (7); after assembly, the water outlet cavity (6) and the water inlet cavity (7) are communicated with the cavity (9) through the first one-way valve (11) and the second one-way valve (12) respectively, and the cavity (9) is located in the through hole (10).
2. The miniature direct-current water pump according to claim 1, wherein an opening (15) is formed in the bottom surface of the housing (1), an output rod of the motor (2) penetrates through the opening (15) and then enters the inner cavity of the housing (1), a swing rod (16) is sleeved on the output rod of the motor (2), the swing rod (16) is connected with the concave cavity (9), and the motor (2) is mounted below the housing (1) in a screw fixing mode.
3. The miniature DC water pump according to claim 2, wherein the housing (1) comprises a main body (13) and an upper cover (14), the opening (15) is located on the bottom surface of the main body (13), the through hole (10) is located on the upper cover (14), and the motor (2) is installed below the main body (13) in a screw fixing manner.
4. The miniature direct-current water pump according to claim 1, characterized in that the cover (3) is mounted above the housing (1) by means of screw fixation.
5. The micro direct current water pump according to claim 1, wherein the water outlet (4) and the water inlet (5) are both located on the top surface of the cover body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022117983.0U CN213743860U (en) | 2020-09-24 | 2020-09-24 | Miniature direct-current water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022117983.0U CN213743860U (en) | 2020-09-24 | 2020-09-24 | Miniature direct-current water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213743860U true CN213743860U (en) | 2021-07-20 |
Family
ID=76845765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022117983.0U Active CN213743860U (en) | 2020-09-24 | 2020-09-24 | Miniature direct-current water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213743860U (en) |
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2020
- 2020-09-24 CN CN202022117983.0U patent/CN213743860U/en active Active
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