CN203362464U - Three-cylinder straight flow micro pump - Google Patents
Three-cylinder straight flow micro pump Download PDFInfo
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- CN203362464U CN203362464U CN 201320382940 CN201320382940U CN203362464U CN 203362464 U CN203362464 U CN 203362464U CN 201320382940 CN201320382940 CN 201320382940 CN 201320382940 U CN201320382940 U CN 201320382940U CN 203362464 U CN203362464 U CN 203362464U
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- umbrella head
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Abstract
The utility model provides a three-cylinder straight flow micro pump. The three-cylinder straight flow micro pump comprises a silencing cover (1), an upper cover (2), umbrella heads (3), an air cylinder (4), a middle cover (5), an eccentric frame (6), a lower cover (7), an eccentric base assembly (8) and a drive motor (9). According to the three-cylinder straight flow micro pump, not only pure water but also a solution with a certain acid-base property can be used as a medium, and the use requirements of small household appliances and medical instruments can be met. According to the three-cylinder straight flow micro pump, a vertical one-way valve integrated design is applied to the air cylinder, the structure of the air cylinder is compact, the size of the air cylinder is small, a die of the air cylinder is formed in an integrated mode, therefore, the structure of whole pump is compact and cost is relatively low. The pump body is thoroughly isolated from a motor through a totally-closed structure, and therefore a pumped work medium does not make contact with the motor. Therefore, liquid cannot permeate the motor to damage the motor, the function that the motor is protected is achieved and the service life of the motor is prolonged.
Description
Technical field
The utility model relates to the micropump technical field, especially a kind of three cylinder DC micro pumps.This micropump is mainly used in the industries such as medical electronics, healthy equipment, beauty treatment, household electric appliance, automation equipment, automobile making.
Background technique
Micropump: usually promoting liquid, carry liquid or making liquid increase pressure, thereby the mechanical energy of prime mover is become to liquid energy, reach the machine of pumping the liquid purpose and be referred to as pump.The general composition form of pump is drive part+pump housing, and two interfaces of one-in-and-one-out are arranged on the pump housing, and liquid advances from water inlet, and drain opening goes out, and this form of every employing, and small and exquisite, the pocket pump of volume just are micropump.
It is working medium that current micropump on the market generally can only be chosen pure water, and the solution with certain pH value tends to corrode the pump housing, has limited the application of micropump.The micropump pump housing and the sealing between motor that also have are poor, easily affect the motor normal operation, and easily aging, shock-resistant elasticity are barely satisfactory.
Summary of the invention
The purpose of this utility model is to provide a kind of three cylinder DC micro pumps, to overcome above-mentioned defect.
The technical solution of the utility model is:
A kind of three cylinder DC micro pumps, it is characterized in that comprising eliminating the noise and cover 1, upper cover 2, umbrella head 3, cylinder 4, middle cover 5, eccentric frame 6, lower cover 7, eccentric mounting assembly 8 and drive motor 9, described noise elimination lid 1, upper cover 2, middle cover 5, lower cover 7 is connected from top to bottom successively with drive motor 9, eccentric mounting assembly 8 is connected with the output shaft of drive motor 9, eccentric mounting assembly 8 is connected with eccentric frame 6, eccentric mounting assembly 8 is arranged in lower cover 7 with eccentric frame 6, eccentric frame 6 is connected with cylinder 4, cylinder 4 is arranged in middle cover 5, upper cover 2 is arranged on cylinder 4 tops, umbrella head 3 is fixed on upper cover 2, noise elimination is covered 1 and is provided with water outlet 10 and water intake 11, the pump housing of three cylinder DC micro pumps adopts full-closed structure and drive motor 9 thoroughly to isolate.
Be provided with the water-inlet cavity 12 be connected with described water intake 11 in described noise elimination lid 1, water outlet 10 is arranged on to eliminate the noise and covers 1 central position.
Bossed water outlet valve seat 22 is established at described upper cover 2 middle parts, be provided with the cylinder osculum 23 be communicated with cylinder 4 in water outlet valve seat 22, water outlet valve seat 22 is communicated with water outlet 10, also is provided with the fixedly umbrella head fixed hole 20 of umbrella head 3 on upper cover 2, and umbrella head fixed hole 20 peripheries are provided with cylinder water inlet 21.
Described umbrella head 3 comprises fixing column 30 and umbrella head valve lid 31, and fixing column 30 is arranged in umbrella head fixed hole 20, and umbrella head valve lid 31 is the elasticity umbrella-shaped structure, and 31 sealings of umbrella head valve lid cover on cylinder water inlet 21.
Described cylinder 4 comprises three flexible cylinder bowls 40, sealing gasket 41, air cylinder driven bar 42, water outlet flap 43 and flap water outlet 44, described three flexible cylinder bowls 40 are an integral body with sealing gasket 41, three flexible cylinder bowls 40 are bowl-shape, its bottom is provided with the air cylinder driven bar 42 that connects eccentric frame 6, three Y-shaped distributions of flexible cylinder bowl 40, the neutral position of three flexible cylinder bowls 40 is provided with three water outlet flaps 43, between adjacent water outlet flap 43, be three respectively with three flap water outlets 44 that flexible cylinder bowl 40 positions are corresponding.
Described cylinder 4 is arranged in the cylinder allocation mouth 50 of middle cover 5.
Described eccentric frame 6 comprises air cylinder driven bar mounting hole 60, eccentric mounting attachment hole 61 and arc shaped rotary rotary head 62, eccentric mounting attachment hole 61 is connected with eccentric mounting assembly 8, arc shaped rotary rotary head 62 is provided with three eccentric mounting attachment holes 61, and eccentric mounting attachment hole 61 is connected with air cylinder driven bar 42 respectively.
Described eccentric mounting assembly 8 comprises eccentric mounting 80 and eccentric shaft 81, and eccentric mounting 80 is connected with the output shaft of drive motor 9, and eccentric shaft 81 is inclined on eccentric mounting 80, and eccentric shaft 81 is connected with eccentric frame 6.
The material of described cylinder 4 is ethylene propylene diene rubber (EPDM).
The material of described noise elimination lid 1, upper cover 2, middle cover 5, eccentric frame 6 and lower cover 7 is acetal plastic (POM).
The beneficial effects of the utility model are:
The core component cylinder of three cylinder DC micro pumps of the present utility model is used ethylene propylene diene rubber (EPDM) to make, there is excellent anti-weather, anti-ozone, heat-resisting, acid resistant alkali, water-fast steam, can use for a long time under 120 ℃, can of short duration or intermittently use under 150-200 ℃.Also there is good corrosion resistance, various polarity chemical product are all had to anti-patience preferably as alcohol, acid, alkali, oxygenant, refrigeration agent, washing agent, vegetable and animals oils, ketone and fat etc.
The medium of three cylinder DC micro pumps of the present utility model can be not only pure water, can also be the solution that certain pH value is arranged, and can meet the usage requirement of small household appliances and medical equipment.
The cylinder of three cylinder DC micro pumps of the present utility model adopts vertical one-way valve integral type design, compact structure, and volume is small and exquisite, and the mould once-through makes whole pump structure compactness, and cost is relatively low.
The accompanying drawing explanation
Fig. 1 is the structural representation of overall assembling of the present utility model.
Fig. 2 is the structural representation that stereochemical structure of the present utility model is decomposed.
Fig. 3 is the external structure schematic diagram of noise elimination lid of the present utility model.
Fig. 4 is the internal structure schematic diagram of noise elimination lid of the present utility model.
Fig. 5 is the structural representation of upper cover of the present utility model.
Fig. 6 is the structural representation of umbrella head of the present utility model.
Fig. 7 is the structural representation of the bottom of cylinder of the present utility model.
Fig. 8 is the superstructure schematic diagram of cylinder of the present utility model.
Fig. 9 is middle cover structural representation of the present utility model.
Figure 10 be eccentric frame of the present utility model under structural representation.
Figure 11 is the upper structural representation of eccentric frame of the present utility model.
Figure 12 is the structural representation of eccentric mounting assembly of the present utility model.
In figure: 1 is the lid of eliminating the noise, 10 is water outlet, 11 is water intake, 12 is water-inlet cavity, 2 is upper cover, 20 is the umbrella head fixed hole, 21 is the cylinder water inlet, 22 is the water outlet valve seat, 23 is the cylinder osculum, 3 is umbrella head, 30 is fixing column, 31 is umbrella head valve lid, 4 is cylinder, 40 is the flexible cylinder bowl, 41 is sealing gasket, 42 is the air cylinder driven bar, 43 is the water outlet flap, 44 is the flap water outlet, 5 is middle cover, 50 is the cylinder allocation mouth, 6 is eccentric frame, 60 is air cylinder driven bar mounting hole, 61 is the eccentric mounting attachment hole, 62 is the arc shaped rotary rotary head, 7 is lower cover, 8 is the eccentric mounting assembly, 80 is eccentric mounting, 81 is eccentric shaft, 9 is drive motor.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As Fig. 1 to 12, a kind of three cylinder DC micro pumps, it is characterized in that comprising eliminating the noise and cover 1, upper cover 2, umbrella head 3, cylinder 4, middle cover 5, eccentric frame 6, lower cover 7, eccentric mounting assembly 8 and drive motor 9, described noise elimination lid 1, upper cover 2, middle cover 5, lower cover 7 is connected from top to bottom successively with drive motor 9, eccentric mounting assembly 8 is connected with the output shaft of drive motor 9, eccentric mounting assembly 8 is connected with eccentric frame 6, eccentric mounting assembly 8 is arranged in lower cover 7 with eccentric frame 6, eccentric frame 6 is connected with cylinder 4, cylinder 4 is arranged in middle cover 5, upper cover 2 is arranged on cylinder 4 tops, umbrella head 3 is fixed on upper cover 2, noise elimination is covered 1 and is provided with water outlet 10 and water intake 11, the pump housing of three cylinder DC micro pumps adopts full-closed structure and drive motor 9 thoroughly to isolate.
Be provided with the water-inlet cavity 12 be connected with described water intake 11 in described noise elimination lid 1, water outlet 10 is arranged on to eliminate the noise and covers 1 central position.
Bossed water outlet valve seat 22 is established at described upper cover 2 middle parts, be provided with the cylinder osculum 23 be communicated with cylinder 4 in water outlet valve seat 22, water outlet valve seat 22 is communicated with water outlet 10, also is provided with the fixedly umbrella head fixed hole 20 of umbrella head 3 on upper cover 2, and umbrella head fixed hole 20 peripheries are provided with cylinder water inlet 21.
Described umbrella head 3 comprises fixing column 30 and umbrella head valve lid 31, and fixing column 30 is arranged in umbrella head fixed hole 20, and umbrella head valve lid 31 is the elasticity umbrella-shaped structure, and 31 sealings of umbrella head valve lid cover on cylinder water inlet 21.
Described cylinder 4 comprises three flexible cylinder bowls 40, sealing gasket 41, air cylinder driven bar 42, water outlet flap 43 and flap water outlet 44, described three flexible cylinder bowls 40 are an integral body with sealing gasket 41, three flexible cylinder bowls 40 are bowl-shape, its bottom is provided with the air cylinder driven bar 42 that connects eccentric frame 6, three Y-shaped distributions of flexible cylinder bowl 40, the neutral position of three flexible cylinder bowls 40 is provided with three water outlet flaps 43, between adjacent water outlet flap 43, be three respectively with three flap water outlets 44 that flexible cylinder bowl 40 positions are corresponding.
Described cylinder 4 is arranged in the cylinder allocation mouth 50 of middle cover 5.
Described eccentric frame 6 comprises air cylinder driven bar mounting hole 60, eccentric mounting attachment hole 61 and arc shaped rotary rotary head 62, eccentric mounting attachment hole 61 is connected with eccentric mounting assembly 8, arc shaped rotary rotary head 62 is provided with three eccentric mounting attachment holes 61, and eccentric mounting attachment hole 61 is connected with air cylinder driven bar 42 respectively.
Described eccentric mounting assembly 8 comprises eccentric mounting 80 and eccentric shaft 81, and eccentric mounting 80 is connected with the output shaft of drive motor 9, and eccentric shaft 81 is inclined on eccentric mounting 80, and eccentric shaft 81 is connected with eccentric frame 6.
The material of described cylinder 4 is ethylene propylene diene rubber (EPDM).
The material of described noise elimination lid 1, upper cover 2, middle cover 5, eccentric frame 6 and lower cover 7 is acetal plastic (POM).
Working principle of the present utility model is:
Drive motor 9 drives 8 rotations of eccentric mounting assembly, eccentric mounting assembly 8 drives eccentric frame 6 deflections, and then rhythmical alternately extruding in order, pull open cylinder 4, when cylinder 4 is opened, the interior generation negative pressure of cylinder 4, the umbrella head valve lid 31 of umbrella head 3 is opened, water in water-inlet cavity 12 is inhaled in flexible cylinder bowl 40 by cylinder water inlet 21, when cylinder 4 is extruded, the umbrella head valve lid 31 of umbrella head 3 closes cylinder water inlet 21, water in flexible cylinder bowl 40 is pressed into water outlet valve seat 22, and enter cylinder osculum 23 by flap water outlet 44, and then pump from water outlet 10 superchargings, three cylinder 4 alternations successively, liquid is continued to pump.
It is that cylinder is used ethylene propylene diene rubber (EPDM) to make that pump chamber inside is divided with liquid contacting part, makes cylinder have very high wear-resisting and resistance to chemical corrosion.The structures such as the upper cover of pump, middle cover, noise elimination lid adopt acetal plastic (POM) to make, due to acetal plastic, to have higher mechanical strength and rigidity and wear resistance good, so structural member has the advantages such as reliable and practical, easy to assembly, that manufacturing efficiency is high, cost is relatively low.
The pump housing adopts full-closed structure and motor thoroughly to isolate, and makes the working medium of extraction not contact with motor, therefore liquid can not infiltrate motor and damage motor, plays the effect of protection motor, has extended the working life of motor.
Embodiment recited above is described preferred implementation of the present utility model; not design of the present utility model and scope are limited; do not breaking away under the utility model design concept prerequisite; various modification and improvement that in related domain, common engineers and technicians make the technical solution of the utility model; all should fall into protection domain of the present utility model, the technology contents that the utility model is asked for protection all is documented in claims.
Claims (10)
1. a cylinder DC micro pump, it is characterized in that comprising the lid (1) of eliminating the noise, upper cover (2), umbrella head (3), cylinder (4), middle cover (5), eccentric frame (6), lower cover (7), eccentric mounting assembly (8) and drive motor (9), described noise elimination lid (1), upper cover (2), middle cover (5), lower cover (7) is connected from top to bottom successively with drive motor (9), eccentric mounting assembly (8) is connected with the output shaft of drive motor (9), eccentric mounting assembly (8) is connected with eccentric frame (6), eccentric mounting assembly (8) is arranged in lower cover (7) with eccentric frame (6), eccentric frame (6) is connected with cylinder (4), cylinder (4) is arranged in middle cover (5), upper cover (2) is arranged on cylinder (4) top, umbrella head (3) is fixed on upper cover (2), the lid (1) of eliminating the noise is provided with water outlet (10) and water intake (11), the pump housing of three cylinder DC micro pumps adopts the thoroughly isolation of full-closed structure and drive motor (9).
2. three cylinder DC micro pumps according to claim 1, is characterized in that being provided with the water-inlet cavity (12) be connected with described water intake (11) in described noise elimination lid (1), and water outlet (10) is arranged on lid (1) central position of eliminating the noise.
3. three cylinder DC micro pumps according to claim 1, it is characterized in that establishing bossed water outlet valve seat (22) in the middle part of described upper cover (2), be provided with the cylinder osculum (23) be communicated with cylinder (4) in water outlet valve seat (22), water outlet valve seat (22) is communicated with water outlet (10), also be provided with the fixedly umbrella head fixed hole (20) of umbrella head (3) on upper cover (2), umbrella head fixed hole (20) periphery is provided with cylinder water inlet (21).
4. according to the described three cylinder DC micro pumps of claim 1 or 3, it is characterized in that described umbrella head (3) comprises fixing column (30) and umbrella head valve lid (31), fixing column (30) is arranged in umbrella head fixed hole (20), umbrella head valve lid (31) is the elasticity umbrella-shaped structure, and umbrella head valve lid (31) sealing covers on cylinder water inlet (21).
5. three cylinder DC micro pumps according to claim 1, it is characterized in that described cylinder (4) comprises three flexible cylinder bowls (40), sealing gasket (41), air cylinder driven bar (42), water outlet flap (43) and flap water outlet (44), described three flexible cylinder bowls (40) are an integral body with sealing gasket (41), three flexible cylinder bowls (40) are bowl-shape, its bottom is provided with the air cylinder driven bar (42) that connects eccentric frame (6), the Y-shaped distribution of three flexible cylinder bowls (40), the neutral position of three flexible cylinder bowls (40) is provided with three water outlet flaps (43), between adjacent water outlet flap (43), be three flap water outlets (44) corresponding with three flexible cylinder bowls (40) position respectively.
6. three cylinder DC micro pumps according to claim 1, is characterized in that described cylinder (4) is arranged in the cylinder allocation mouth (50) of middle cover (5).
7. three cylinder DC micro pumps according to claim 1 or 5, it is characterized in that described eccentric frame (6) comprises air cylinder driven bar mounting hole (60), eccentric mounting attachment hole (61) and arc shaped rotary rotary head (62), eccentric mounting attachment hole (61) is connected with eccentric mounting assembly (8), arc shaped rotary rotary head (62) is provided with three eccentric mounting attachment holes (61), and eccentric mounting attachment hole (61) is connected with air cylinder driven bar (42) respectively.
8. three cylinder DC micro pumps according to claim 1, it is characterized in that described eccentric mounting assembly (8) comprises eccentric mounting (80) and eccentric shaft (81), eccentric mounting (80) is connected with the output shaft of drive motor (9), it is upper that eccentric shaft (81) is inclined at eccentric mounting (80), and eccentric shaft (81) is connected with eccentric frame (6).
9. three cylinder DC micro pumps according to claim 1 or 5, the material that it is characterized in that described cylinder (4) is ethylene propylene diene rubber (EPDM).
10. three cylinder DC micro pumps according to claim 1, is characterized in that the material of described noise elimination lid (1), upper cover (2), middle cover (5), eccentric frame (6) and lower cover (7) is acetal plastic (POM).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320382940 CN203362464U (en) | 2013-06-28 | 2013-06-28 | Three-cylinder straight flow micro pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320382940 CN203362464U (en) | 2013-06-28 | 2013-06-28 | Three-cylinder straight flow micro pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203362464U true CN203362464U (en) | 2013-12-25 |
Family
ID=49810243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320382940 Expired - Lifetime CN203362464U (en) | 2013-06-28 | 2013-06-28 | Three-cylinder straight flow micro pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203362464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321882A (en) * | 2013-06-28 | 2013-09-25 | 常州市昊升电机有限公司 | Three-cylinder direct-current miniature pump |
-
2013
- 2013-06-28 CN CN 201320382940 patent/CN203362464U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321882A (en) * | 2013-06-28 | 2013-09-25 | 常州市昊升电机有限公司 | Three-cylinder direct-current miniature pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Yao Guan Zhen Yin Shu Industrial Park 213011 Jiangsu city of Changzhou province (State Road 312 cross section) Co-patentee after: Changzhou Haoyuan Electronic Technology Co.,Ltd. Patentee after: Changzhou Haosheng Electric Co.,Ltd. Co-patentee after: Zhang Wei Address before: Yao Guan Zhen Yin Shu Industrial Park of Jiangsu Province in 213011 in Changzhou city (State Road 312 cross section) Co-patentee before: Changzhou Haoyuan Electronic Technology Co.,Ltd. Patentee before: CHANGZHOU HAOSHENG MOTOR CO.,LTD. Co-patentee before: Zhang Wei |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200612 Address after: Building 16, new material industrial park, No. 666, Daluo Road, Yaoguan Town, economic development zone, Changzhou City, Jiangsu Province Patentee after: Changzhou Haosheng Electric Co.,Ltd. Address before: Yao Guan Zhen Yin Shu Industrial Park 213011 Jiangsu city of Changzhou province (State Road 312 cross section) Co-patentee before: CHANGZHOU HAOYUAN ELECTRONIC TECHNOLOGY Co.,Ltd. Patentee before: Changzhou Haosheng Electric Co.,Ltd. Co-patentee before: Zhang Wei |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |