CN218325136U - Piston type miniature air pump - Google Patents
Piston type miniature air pump Download PDFInfo
- Publication number
- CN218325136U CN218325136U CN202221990335.9U CN202221990335U CN218325136U CN 218325136 U CN218325136 U CN 218325136U CN 202221990335 U CN202221990335 U CN 202221990335U CN 218325136 U CN218325136 U CN 218325136U
- Authority
- CN
- China
- Prior art keywords
- air
- cavity
- piston
- pump
- air inlet
- 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
- Compressor (AREA)
Abstract
The utility model discloses a miniature air pump of piston, pump body subassembly includes: the valve cover, the valve seat, the cylinder seat and the piston piece; the valve seat is provided with an independent air inlet cavity and an independent air outlet cavity; the cylinder seat is arranged at the lower end of the valve seat, and an air cavity is formed in the cylinder seat; an air inlet cavity in the valve seat is internally provided with an air outlet communicated with the air cavity; an air inlet communicated with the air cavity is formed in the air outlet cavity; the piston piece is the syllogic structure, and the lower extreme of piston piece is the ring cover, and the middle section is the linkage segment, and the upper end is the piston head, and the piston head penetrates to the air cavity of cylinder block from the lower extreme to the border of piston head closely cooperates with the inner wall of cylinder block. Compared with the traditional leather cup type compression structure, the piston type air pump structure has the advantages that the air cavity formed by the air cylinder seat is larger, and the flow rate can be larger; the air pump has the advantages of higher working efficiency, better stability of the piston type air pump structure, small motion resistance and load generated during working, lower abrasion and longer service life of the whole structure.
Description
Technical Field
The utility model belongs to the technical field of the air pump, a miniature air pump of piston is related to.
Background
The diaphragm type air pump is provided with circular motion by a motor, and a mechanical device makes a diaphragm in the air pump perform reciprocating motion, so that air in a pump cavity is compressed and stretched, pressure difference is generated between an air outlet hole or an air inlet and the external atmospheric pressure under the action of a one-way valve plate, and the air pressure is fed into the air inlet and then discharged from the air outlet under the action of the pressure difference. The diaphragm air pump is well applied to occasions such as small household appliances and medical instruments. The air pump in the prior art has the defects of complex structure, large volume, small and stable air flow performance and the like, and has low working efficiency, poor working stability and larger generated noise.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a following technical scheme:
a piston-type micro air pump comprising: the pump body and the driving motor for providing working power for the pump body;
a pump body component and an eccentric wheel are arranged in the pump body; the eccentric wheel is synchronously connected with an output shaft of the driving motor, and the eccentric wheel is in transmission fit with the pump body assembly; a damping block is also arranged in the pump body and is arranged on the rotating shaft of the driving motor;
the pump body subassembly includes from top to bottom in proper order: the valve cover, the valve seat, the cylinder seat and the piston piece;
an independent air inlet cavity and an independent air outlet cavity are formed in the valve seat, an air inlet connector is arranged on the air inlet cavity, and an air outlet connector is arranged on the air outlet cavity;
the cylinder seat is in a ring sleeve-shaped structure, the cylinder seat is arranged at the lower end of the valve seat, and an air cavity is formed in the cylinder seat;
an air inlet cavity in the valve seat is internally provided with an air outlet communicated with the air cavity, an air outlet umbrella-shaped valve plate is arranged on the air outlet, and the opening direction of the air outlet umbrella-shaped valve plate is consistent with the airflow direction of the air outlet;
an air inlet communicated with the air cavity is formed in the air outlet cavity; an air inlet umbrella-shaped valve plate is arranged on the air inlet, and the opening direction of the air inlet umbrella-shaped valve plate is consistent with the airflow direction of the air inlet;
the piston piece is of a three-section structure, the lower end of the piston piece is an annular sleeve and is nested on the eccentric wheel, the middle section of the piston piece is a connecting section, the upper end of the piston piece is a piston head, the piston head penetrates into an air cavity of the air cylinder seat from the lower end of the piston head, and the edge of the piston head is tightly matched with the inner wall of the air cylinder seat.
As a further aspect of the present invention: the driving motor is a double-shaft driving motor, and two ends of the driving motor are provided with a group of pump bodies with the same structure; two output shafts of the driving motor are respectively connected with the eccentric wheels in the two pump bodies.
As a further aspect of the present invention: the lower extreme shaping of disk seat has an annular structure's mounting groove, realizes the installation in the upper end embedding mounting groove of cylinder block.
As a further aspect of the present invention: still be provided with the gas-tight rubber ring between disk seat and the cylinder block, the gas-tight rubber ring sets up in the mounting groove, improves the leakproofness between cylinder block and the disk seat mounted position.
As a further aspect of the present invention: the shock absorption block is made of high-density materials.
As a further aspect of the present invention: the pump body still includes: and the pump body bracket is used for realizing the fixed installation and the surrounding protection of the pump body assembly, the driving motor, the eccentric wheel and the damping block.
The utility model has the advantages that:
1. compared with the traditional leather cup type compression structure, the piston type air pump structure has the advantages that the air cavity formed by the air cylinder seat is larger, and the flow rate can be larger; the working efficiency of the air pump is higher, the stability of the piston type air pump structure is better, the motion resistance generated during working is small, the load is small, the generated abrasion is lower, and the service life of the whole structure is longer;
2. inside is provided with silence shock-absorbing structure, can effectually reduce the vibrations that motor and eccentric wheel work brought, and the effect of silence is stabilized in the production of noise abatement, makes holistic job stabilization nature higher, and working life is longer.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the middle damping block of the present invention.
Fig. 3 is a schematic structural diagram of the pump body assembly of the present invention.
Fig. 4 is a schematic structural diagram of the valve seat of the present invention.
Fig. 5 is a schematic view of another structure of the valve seat of the present invention.
Fig. 6 is a schematic diagram of a second embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments, and it should be understood that the present application is not limited to the example embodiments disclosed and described herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to 5, in an embodiment of the present invention, a piston type micro air pump includes: the pump body 2 and the driving motor 1 for providing working power for the pump body 2; the driving motor 1 is a brushless motor, so that the driving motor has the advantages of long service life, better heat dissipation and extremely low temperature rise, and the shell of the driving motor 1 is made of stamping parts or die-casting aluminum parts, so that the whole weight is lighter and the stability is excellent;
a pump body component 21 and an eccentric wheel 24 are arranged in the pump body 2; the eccentric wheel 24 is synchronously connected with an output shaft of the driving motor 1, and the eccentric wheel 24 is in transmission fit with the pump body assembly 21; the pump body 2 is also internally provided with a damping block 23, the eccentric wheel 24 and the damping block 23 are arranged on a rotating shaft of the motor, so that the vibration caused by the driving motor 1 driving the eccentric wheel 24 to rotate is effectively reduced through the damping block 23, the noise is reduced, and the working stability is improved; in addition, the damping block 23 is made of high-density materials, and has high mechanical strength, high temperature resistance, chemical resistance, flame retardancy and good thermal stability;
specifically, the pump body assembly 21 includes from top to bottom in proper order: a valve cover 29, a valve seat 28, a cylinder seat 26 and a piston member 25;
the valve seat 28 is provided with an independent air inlet cavity 284 and an independent air outlet cavity 281, the upper ends of the air inlet cavity 284 and the air outlet cavity 281 are communicated, and the air inlet cavity 284 and the air outlet cavity 281 are covered by the valve cover 29, so that later maintenance and repair are facilitated;
an air inlet connector 283 is arranged on the air inlet cavity 284, and an air outlet connector 282 is arranged on the air outlet cavity 281;
the cylinder seat 26 is in a ring-shaped structure, the cylinder seat 26 is arranged at the lower end of the valve seat 28, and an air cavity 261 is formed in the cylinder seat 26, so that compared with a cavity structure formed by a traditional leather cup structure, the whole stroke is longer, and the capacity of breathable gas is more;
an air outlet 285 communicated with the air cavity 261 is formed in an air inlet cavity 284 in the valve seat 28, an air outlet umbrella-shaped valve plate 288 is arranged on the air outlet 285, the opening direction of the air outlet umbrella-shaped valve plate 288 is consistent with the air flow direction of the air outlet 285, air is pumped from the air inlet connector 283 and enters the air cavity 261 through the air outlet connector 285, and the air is prevented from flowing backwards from the air cavity 261 to the air inlet cavity 284 by the air outlet umbrella-shaped valve plate 288;
an air inlet 287 communicated with the air cavity 261 is arranged in the air outlet cavity 281; an air inlet umbrella-shaped valve piece 286 is arranged on the air inlet 287, and the opening direction of the air inlet umbrella-shaped valve piece 286 is consistent with the airflow direction of the air inlet 287; the gas flows into the gas outlet cavity 281 from the gas cavity 261 through the gas inlet 287 and is discharged through the gas outlet connector 282, and the gas inlet umbrella-shaped valve sheet 286 prevents the gas from flowing backwards from the gas outlet cavity 281 and flowing back into the gas cavity 261;
the piston piece 25 is of a three-section structure, the lower end of the piston piece 25 is provided with a ring sleeve 253 which is nested on the eccentric wheel 24, the middle section is provided with a connecting section 152, the upper end is provided with a piston head 251, the piston head 251 penetrates into an air cavity 261 of the cylinder seat 26 from the lower end, the edge of the piston head 251 is tightly matched with the inner wall of the cylinder seat 26, the inner wall of the cylinder seat 26 is smooth, and the movement resistance between the piston head 251 and the cylinder seat 26 is small in the process of the piston movement of the piston head 251 up and down;
when in use, the air outlet connector 282 and the air inlet connector 283 of the valve seat 28 are connected into corresponding pipelines; in the working process, the driving motor 1 drives the eccentric wheel 24 to rotate, so that the piston piece 25 moves up and down along with the eccentric wheel, in the moving process of the piston piece 25, when the piston head 251 moves downwards, the air cavity 261 expands to enable air to be sucked into the air cavity 261, and when the piston head 251 moves upwards, the air cavity 261 shrinks to enable the air to be discharged from the air cavity 261; the air pump works in a reciprocating way.
Further, in order to ensure that the air leakage caused by insufficient sealing performance does not occur in the matching between the valve seat 28 and the cylinder seat 26, an installation groove 289 with an annular structure is formed at the lower end of the valve seat 28, and the upper end of the cylinder seat 26 is embedded into the installation groove 289 to realize installation; and be provided with airtight rubber ring 27 in advance in the mounting groove 289, guarantee holistic gas tightness through airtight rubber ring 27 and mounting groove 289 structure, avoid the condition of gas leakage.
Further, the pump body 2 further includes: the pump body bracket 22 is used for realizing the fixed installation and the surrounding protection of the pump body assembly 21, the driving motor 1, the eccentric wheel 24 and the damping block 23 through the pump body bracket 22; improve the overall structure stability of the pump body 2.
Example two:
referring to fig. 6, in this embodiment, the driving motor 1 is a dual-shaft driving motor 1 with dual output shafts, and is disposed on two sets of pump bodies 2 having the same structure as that in the first embodiment, the two sets of pump bodies 2 are disposed on two sides of the driving motor 1, respectively, two output shafts of the driving motor 1 are connected to the eccentric wheels 24 in the two pump bodies 2, respectively, and then the working control of the pump body assemblies 21 in the pump bodies 2 is realized through the eccentric wheels 24, so that the effect that one driving motor 1 controls the two sets of pump bodies 2 at the same time is realized.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A piston type miniature air pump, comprising: the pump body and the driving motor for providing working power for the pump body;
a pump body component and an eccentric wheel are arranged in the pump body; the eccentric wheel is synchronously connected with an output shaft of the driving motor, and the eccentric wheel is in transmission fit with the pump body assembly; a damping block is also arranged in the pump body, and the eccentric wheel and the damping block are arranged on a rotating shaft of the motor;
the pump body subassembly includes from top to bottom in proper order: the valve cover, the valve seat, the cylinder seat and the piston piece;
an independent air inlet cavity and an independent air outlet cavity are formed on the valve seat, an air inlet connector is arranged on the air inlet cavity, and an air outlet connector is arranged on the air outlet cavity;
the cylinder seat is in a ring-sleeve-shaped structure, the cylinder seat is arranged at the lower end of the valve seat, and an air cavity is formed in the cylinder seat;
an air inlet cavity in the valve seat is internally provided with an air outlet communicated with the air cavity, an air outlet umbrella-shaped valve plate is arranged on the air outlet, and the opening direction of the air outlet umbrella-shaped valve plate is consistent with the airflow direction of the air outlet;
an air inlet communicated with the air cavity is formed in the air outlet cavity; an air inlet umbrella-shaped valve plate is arranged on the air inlet, and the opening direction of the air inlet umbrella-shaped valve plate is consistent with the airflow direction of the air inlet;
the piston piece is the syllogic structure, and the lower extreme of piston piece is the ring cover, nests on the eccentric wheel, and the middle section is the linkage segment, and the upper end is the piston head, and the piston head penetrates to the air cavity of cylinder block from the lower extreme to the border of piston head closely cooperates with the inner wall of cylinder block.
2. The piston type miniature air pump according to claim 1, wherein the driving motor is a double-shaft driving motor, and a set of pump bodies having the same structure are arranged at both ends of the driving motor; two output shafts of the driving motor are respectively connected with the eccentric wheels in the two pump bodies.
3. The piston type micro air pump as claimed in claim 1, wherein the lower end of the valve seat is formed with an installation groove of a ring structure, and the upper end of the cylinder block is inserted into the installation groove to be installed.
4. The piston type micro air pump as claimed in claim 1, wherein an airtight rubber ring is further provided between the valve seat and the cylinder block, and the airtight rubber ring is provided in the mounting groove to improve the sealing property between the cylinder block and the mounting position of the valve seat.
5. The piston type micro air pump as claimed in claim 1, wherein the damper block is made of a high density material.
6. A piston type micro air pump according to claim 1, wherein the pump body further comprises: and the pump body bracket is used for realizing the fixed installation and the surrounding protection of the pump body assembly, the driving motor, the eccentric wheel and the damping block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221990335.9U CN218325136U (en) | 2022-07-30 | 2022-07-30 | Piston type miniature air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221990335.9U CN218325136U (en) | 2022-07-30 | 2022-07-30 | Piston type miniature air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218325136U true CN218325136U (en) | 2023-01-17 |
Family
ID=84872780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221990335.9U Active CN218325136U (en) | 2022-07-30 | 2022-07-30 | Piston type miniature air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218325136U (en) |
-
2022
- 2022-07-30 CN CN202221990335.9U patent/CN218325136U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6491506B1 (en) | Linear compressor | |
| CN207178161U (en) | A kind of oilless air compressor pump head | |
| CN104121160B (en) | Double wave sphere piston type electric vacuum pump | |
| CN108119346B (en) | Low noise air pump | |
| CN218325136U (en) | Piston type miniature air pump | |
| CN114412747A (en) | Intelligent air compressor | |
| CN113685648B (en) | Compressor pipeline damping device | |
| CN206694223U (en) | A kind of piston type oilless air compressor exhaust apparatus | |
| CN210164597U (en) | Double-stage reciprocating electric vacuum pump | |
| CN207033678U (en) | A kind of special-shaped seal ring for Vehicular electric diaphragm vavuum pump | |
| CN210003478U (en) | horizontally-opposed diaphragm type electric vacuum pump | |
| CN112776783B (en) | Automobile brake vacuum pipeline | |
| CN204755232U (en) | Air compressor machine subassembly | |
| CN217682147U (en) | High-efficient radiating piston type miniature air pump | |
| CN206801828U (en) | A kind of valve plate for Vehicular electric diaphragm vavuum pump | |
| CN217682148U (en) | Air compressor | |
| CN215633601U (en) | Air-cooled reciprocating vertical oilless vacuum pump | |
| CN216842157U (en) | Piston diaphragm pump and multifunctional atomizing pump | |
| CN208605326U (en) | One kind subtracting hot-tempered air pump | |
| CN219317151U (en) | Vacuum compressor valve chamber cylinder and heat dissipation gas circuit structure for oxygenerator | |
| CN219159150U (en) | Large-pressure low-noise long-service-life miniature air pump | |
| CN210164599U (en) | Reciprocating vacuum pump | |
| CN220791372U (en) | Mute cover and cold air device for generator set | |
| CN211575625U (en) | Liquid accumulator connecting structure and compressor | |
| CN220566205U (en) | Ventilation structure of four-cylinder compressor for oxygenerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |