CN203892162U - High-efficiency diaphragm pump - Google Patents
High-efficiency diaphragm pump Download PDFInfo
- Publication number
- CN203892162U CN203892162U CN201420292586.9U CN201420292586U CN203892162U CN 203892162 U CN203892162 U CN 203892162U CN 201420292586 U CN201420292586 U CN 201420292586U CN 203892162 U CN203892162 U CN 203892162U
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- CN
- China
- Prior art keywords
- diaphragm pump
- barrier film
- gas skirt
- high efficiency
- exhalant canal
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Abstract
The utility model discloses a high-efficiency diaphragm pump. The high-efficiency diaphragm pump comprises a cover plate, a gas collecting hood, a plurality of valves, a diaphragm assembly, an air cylinder, a support assembly, a base, a cam assembly and a driving motor, wherein the cover plate, the gas collecting hood, the valves, the diaphragm assembly, the air cylinder, the support assembly, the base, the cam assembly and the driving motor are connected and assembled together from top to bottom, a water inlet cavity is formed by the cover plate and the gas collecting hood in an enclosed mode, a water inlet channel is formed in the cover plate, the water inlet channel is connected with the water inlet cavity, a water outlet channel is formed in the gas collecting hood, the gas collecting hood and the water outlet channel are integrally formed, and the ratio of the inner diameter of the water inlet channel and the inner diameter of the water outlet channel ranges from 0.8 to 3. According to the high-efficiency diaphragm pump, the ratio relation between the inner diameter of the water inlet channel and the inner diameter of the water outlet channel is optimized, and the requirement for larger flow can be met under the ratio relation.
Description
Technical field
The utility model relates to diaphragm pump technical field, particularly a kind of high efficiency diaphragm pump.
Background technique
At present, diaphragm pump, as the one of micropump, because volume is little, lightweight, efficiency advantages of higher, has been widely used in the industries such as household electric appliance, medical apparatus, food apparatus, automatic control equipment, automobile making.Diaphragm pump drives septum assembly to move reciprocatingly to realize suction and the discharge of fluid by motor, and fed sheet of a media can be gas or liquid.It rotates by motor driving shaft band moving cam, and cam driven barrier film driveshaft and septum assembly are reciprocating, to change the size of diaphragm cavity body bulk, by the mutual opening and closing of water inlet and two groups of valves of water outlet, realizes suction and the discharge of fluid.This kind of diaphragm pump is disclosed in many sections of patent documentations, as CN203362464U, CN202718845U etc.
But, existing diaphragm pump is due to defect in structure or technique, there is the problems such as operating noise is large, flow is little, as disclosed a kind of three cylinder DC micro pumps in Chinese patent literature CN203362464U, because its exhalant canal is to be communicated with water outlet by water outlet valve seat, there is the defect that has leakage between water-inlet cavity and water chamber in this kind of structural design, when diaphragm pump work, can have draining/tolerance deficiency, the problem that operating noise is large.So, in order to make diaphragm pump there is better usability, as higher sealing, larger flow, lower noise etc., need badly existing diaphragm pump carried out to the improvement in structural design.
Model utility content
The purpose of this utility model is to provide a kind of diaphragm pump, and its flow is large, and noise is low, and overall efficiency is high.
For achieving the above object, the utility model provides a kind of high efficiency diaphragm pump, comprise cover plate, gas skirt, multiple valve, septum assembly, cylinder, bracket component, base, cam pack and drive motor, and assembly connection is together successively from top to bottom, described cover plate and gas skirt enclose water-inlet cavity, described cover plate is provided with intake tunnel, intake tunnel is connected with water-inlet cavity, described gas skirt is provided with exhalant canal, described gas skirt and exhalant canal are one-body molded, and the ratio of the internal diameter of described intake tunnel and the internal diameter of exhalant canal is 0.8-3.A kind of high efficiency diaphragm pump of the present utility model, has optimized the ratio relation of intake tunnel and exhalant canal internal diameter, under this ratio relation, can reach more high flow capacity requirement.
Wherein, described septum assembly comprises multiple barrier film cavitys, multiple water outlet flaps, multiple flap openings and multiple barrier film driveshaft, multiple barrier film cavitys are bowl-shape, and distribute along even circumferential, water outlet flap and barrier film driveshaft and barrier film number of cavities match, and corresponding one by one in position, multiple described water outlet flaps enclose a hollow circular cylinder, between adjacent water outlet flap, be provided with flap opening, multiple barrier film cavitys are arranged on respectively in multiple cylinder port that cylinder is corresponding, gas skirt is installed on septum assembly top, water outlet flap is installed in the exhalant canal of gas skirt, described cam pack comprises cam chair and camshaft, described cam chair top is provided with a mounting hole in the position corresponding with camshaft, in mounting hole, be provided with counterbalance, described bracket component comprises barrier film driveshaft mounting hole and camshaft attachment hole, camshaft attachment hole is connected with camshaft, between camshaft and camshaft attachment hole, is provided with and is press-fitted bearing, corresponding position on described gas skirt is evenly provided with multiple valve fixed holes, described valve fixed hole is identical with valve quantity, around each described valve fixed hole, be evenly provided with a circle water inlet, valve comprises fixing column and valve cover, fixing column is installed in valve fixed hole, valve cover is elasticity umbrella-shaped structure, is covered in a circle water inlet from the below of described gas skirt.
As optimal technical scheme of the present utility model, the exhalant canal on described gas skirt passes described cover plate and stretches out the upper surface of described cover plate; Described intake tunnel and exhalant canal are upper and lower uniform internal diameter, and the ratio of its internal diameter is 0.8-3; Described intake tunnel and exhalant canal are uniform internal diameter not up and down, and the ratio of its internal diameter is that minimum diameter is than being 0.8-3.Gas skirt exhalant canal is according to the mounting point needs of diaphragm pump, can, by the curving of exhalant canal, be arranged in arbitrary plane of cover plate or gas skirt.
As further improvement of the utility model, be provided with sealed muscle in the upper of described multiple barrier film cavitys along periphery, described sealed muscle and septum assembly are one-body molded.
The beneficial effects of the utility model are:
(1) ratio between above-mentioned diaphragm pump intake tunnel and exhalant canal internal diameter is 0.8-3, and this structure has ensured the traffic demand of diaphragm pump, and under identical power of motor, diaphragm pump can reach higher traffic level;
(2) above-mentioned diaphragm pump exhalant canal and gas skirt are one-body molded, two cavitys of water-inlet cavity and water chamber are isolated completely, prevent the leakage of medium between water-inlet cavity and water chamber, thereby solved the problems such as the noise producing because of dielectric leakage is large, water displacement is not enough in mould pump work process;
(3) intake tunnel and exhalant canal, according to the mounting point needs of diaphragm pump, can be arranged in the Different Plane of cover plate and gas skirt, have expanded the scope of installing and using environment;
(4) septum assembly is provided with integrated sealed muscle, has improved the sealing between septum assembly and gas skirt, has also improved the sealing of whole diaphragm pump;
(5) on cam pack, set up counterbalance, can be according to the different operating requirement of pump, select the counterbalance of certain mass, balance bracket component impose on the external force of cam pack, keep the stationarity of cam pack motion, eliminated low-frequency vibration and noise that diaphragm pump is in operation;
(6) between camshaft and camshaft attachment hole, be provided with and be press-fitted bearing, can ensure that motor is in the time of high speed rotating, the reliable connection between bracket component and cam pack, reduce wearing and tearing between the two, extend the working life of diaphragm pump;
(7) this diaphragm pump can be provided with four cavitys, with respect to conventional three cavity diaphragm pumps, when work, bracket component order drives four barrier film cavitys to stretch and compression movement, motor is stressed even in rotation process like this, operate steadily, noise is low, and motor driving shaft rotates a circle can realize 4 water suctions and draining, efficiency greatly promotes, and flow increases.And in the time of equal traffic requirement, because the efficiency of pump increases, the rotating speed of motor can reduce, and therefore can extend the working life of motor,, the requirement of the parts such as drive motor and septum assembly is also reduced meanwhile, can reduce production costs.
Brief description of the drawings
Fig. 1 is the structural representation of the overall assembling of the utility model;
Fig. 2 is three-dimensional exploded view of the present utility model;
Fig. 3 is the external structure schematic diagram of the utility model cover plate;
Fig. 4 is the internal structure schematic diagram of the utility model cover plate;
Fig. 5 is the structural representation of the utility model gas skirt;
Fig. 6 is the structural representation of the utility model valve;
Fig. 7 is the structural representation of the utility model septum assembly;
Fig. 8 is the structural representation of the utility model cylinder;
Fig. 9 is the structural representation of the utility model bracket component;
Figure 10 is the structural representation that the utility model bracket component is press-fitted bearing;
Figure 11 is the structural representation of the utility model cam pack;
Wherein, 1-cover plate, 2-gas skirt, 3-valve, 4-septum assembly, 5-cylinder, 6-bracket component, 7-base, 8-cam pack, 9-drive motor, 10-is press-fitted bearing, 11-intake tunnel, 12-water-inlet cavity, 21-exhalant canal, 22-valve fixed hole, 23-water inlet, 31-fixing column, 32-valve cover, 41-barrier film cavity, 42-water outlet flap, 43-flap opening, 44-barrier film driveshaft, 45-sealed muscle, 51-cylinder port, 61-barrier film driveshaft mounting hole, 62-camshaft attachment hole, 81-camshaft, 82-cam chair, 83-counterbalance, 84-mounting hole.
Embodiment
Describe optimal technical scheme of the present utility model in detail below in conjunction with accompanying drawing.
A kind of high efficiency diaphragm pump of the present utility model, comprise cover plate 1, gas skirt 2, multiple valves 3, septum assembly 4, cylinder 5, bracket component 6, base 7, cam pack 8 and drive motor 9, and assembly connection is together successively from top to bottom, described cover plate 1 and gas skirt 2 enclose water-inlet cavity 12, described cover plate 1 is provided with intake tunnel 11, intake tunnel 11 is connected with water-inlet cavity 12, described gas skirt 2 is provided with exhalant canal 21, described gas skirt 2 is one-body molded with exhalant canal 21, exhalant canal 21 on described gas skirt 2 passes described cover plate 1 and stretches out the upper surface of described cover plate 1, the ratio of the internal diameter of the internal diameter of described intake tunnel 11 and exhalant canal 21 is 0.8-3, when described intake tunnel 11 is upper and lower uniform internal diameter with exhalant canal 21, the ratio of its internal diameter is 0.8-3, when described intake tunnel 11 and exhalant canal 21 are uniform internal diameter not up and down, the ratio of its internal diameter is that minimum diameter is than being 0.8-3.
Wherein, in the present embodiment, valve is set to 4, described septum assembly 4 comprises four barrier film cavitys 41, four water outlet flaps 42, four flap openings 43 and four barrier film driveshafts 44, four barrier film cavitys 41 are bowl-shape, and distribute along even circumferential, be provided with sealed muscle 45 in the upper of described four barrier film cavitys 41 along periphery, described sealed muscle 45 is one-body molded with septum assembly 4, water outlet flap 42 matches with barrier film cavity 41 quantity, and corresponding one by one in position, four described water outlet flaps 42 enclose a hollow circular cylinder, between adjacent water outlet flap 42, be provided with flap opening 43, four barrier film cavitys 41 are arranged on respectively in four cylinder port 51 of cylinder 5 correspondences, gas skirt 2 is installed on septum assembly 4 tops, water outlet flap 42 is installed in the exhalant canal 11 of gas skirt 2, described cam pack 8 comprises cam chair 82 and camshaft 81, described cam chair 82 tops are provided with a mounting hole 84 in the position corresponding with camshaft 81, in mounting hole 84, be provided with counterbalance 83, described bracket component 6 comprises barrier film driveshaft mounting hole 61 and camshaft attachment hole 62, camshaft attachment hole 62 is connected with camshaft 81, between camshaft 81 and camshaft attachment hole 62, is provided with and is press-fitted bearing 10, corresponding position on described gas skirt 2 is evenly provided with four valve fixed holes 22, around each described valve fixed hole 22, be evenly provided with a circle water inlet 23, valve 3 comprises fixing column 31 and valve cover 32, fixing column 31 is installed in valve fixed hole 22, valve cover 32 is elasticity umbrella-shaped structure, is covered in a circle water inlet 23 from the below of described gas skirt 2.
A kind of high efficiency diaphragm pump of the present utility model, has optimized the ratio relation of intake tunnel and exhalant canal internal diameter, under this ratio relation, can reach more high flow capacity requirement.Gas skirt exhalant canal is according to the mounting point needs of diaphragm pump, can, by the curving of exhalant canal, be arranged in arbitrary plane of cover plate or gas skirt.
The beneficial effects of the utility model are:
(1) ratio between above-mentioned diaphragm pump intake tunnel and exhalant canal internal diameter is 0.8-3, and this structure has ensured the traffic demand of diaphragm pump, and under identical power of motor, diaphragm pump can reach higher traffic level;
(2) above-mentioned diaphragm pump exhalant canal and gas skirt are one-body molded, two cavitys of water-inlet cavity and water chamber are isolated completely, prevent the leakage of medium between water-inlet cavity and water chamber, thereby solved the problems such as the noise producing because of dielectric leakage is large, water displacement is not enough in mould pump work process;
(3) intake tunnel and exhalant canal, according to the mounting point needs of diaphragm pump, can be arranged in the Different Plane of cover plate and gas skirt, have expanded the scope of installing and using environment;
(4) septum assembly is provided with integrated sealed muscle, has improved the sealing between septum assembly and gas skirt, has also improved the sealing of whole diaphragm pump;
(5) on cam pack, set up counterbalance, can be according to the different operating requirement of pump, select the counterbalance of certain mass, balance bracket component impose on the external force of cam pack, keep the stationarity of cam pack motion, eliminated low-frequency vibration and noise that diaphragm pump is in operation;
(6) between camshaft and camshaft attachment hole, be provided with and be press-fitted bearing, can ensure that motor is in the time of high speed rotating, the reliable connection between bracket component and cam pack, reduce wearing and tearing between the two, extend the working life of diaphragm pump;
(7) this diaphragm pump can be provided with four cavitys, with respect to conventional three cavity diaphragm pumps, when work, bracket component order drives four barrier film cavitys to stretch and compression movement, motor is stressed even in rotation process like this, operate steadily, noise is low, and motor driving shaft rotates a circle can realize 4 water suctions and draining, efficiency greatly promotes, and flow increases.And in the time of equal traffic requirement, because the efficiency of pump increases, the rotating speed of motor can reduce, and therefore can extend the working life of motor,, the requirement of the parts such as drive motor and septum assembly is also reduced meanwhile, can reduce production costs.
When above-mentioned diaphragm pump work, drive motor 9 starts, and its live axle drives cam pack 8 to rotate, and camshaft 81 rotates along motor center axle, then drive sequenced the moving up and down of barrier film driveshaft 61 in bracket component 6, also order drives 4 barrier film cavitys to stretch and compression movement.In the time that barrier film cavity 41 is stretched, chamber internal volume increases, and under the effect of pressure reduction, the valve cover 32 of valve 3 is opened, and the water in water-inlet cavity 12 is inhaled in barrier film cavity 41 by water inlet 23, completes water suction action; In the time that barrier film cavity 41 is compressed, chamber internal volume diminishes, and the water in cavity is pushed water outlet flap 42 under pressure open, water outlet flap 42 is inwards moved, then water enters in the exhalant canal 21 of gas skirt 2, discharges the external world through exhalant canal 21, completes draining action.After draining has been moved, water outlet flap 42 is owing to resetting rapidly under self elastic force effect, the backflow of anti-sealing.Rotate continuously by drive motor 9, barrier film cavity 41 is constantly absorbed water and draining, drive motor 9 rotates can realize 4 water suctions and drainage procedure for one week, not only make motor stressed even in rotation process, operate steadily, and efficiency greatly promotes, flow increases.
Claims (10)
1. a high efficiency diaphragm pump, it is characterized in that: comprise cover plate (1), gas skirt (2), multiple valves (3), septum assembly (4), cylinder (5), bracket component (6), base (7), cam pack (8) and drive motor (9), and assembly connection is together successively from top to bottom, described cover plate (1) and gas skirt (2) enclose water-inlet cavity (12), described cover plate (1) is provided with intake tunnel (11), intake tunnel (11) is connected with water-inlet cavity (12), described gas skirt (2) is provided with exhalant canal (21), the ratio of the internal diameter of the internal diameter of described intake tunnel (11) and exhalant canal (21) is 0.8-3.
2. a kind of high efficiency diaphragm pump as claimed in claim 1, it is characterized in that: described gas skirt (2) is one-body molded with exhalant canal (21), the exhalant canal (21) on described gas skirt (2) is through described cover plate (1) and stretch out the upper surface of described cover plate (1).
3. a kind of high efficiency diaphragm pump as claimed in claim 1, it is characterized in that: described septum assembly (4) comprises multiple barrier film cavitys (41), multiple water outlet flaps (42), multiple flap openings (43) and multiple barrier film driveshaft (44), multiple barrier film cavitys (41) are bowl-shape, and distribute along even circumferential, water outlet flap (42) and barrier film driveshaft (44) match with barrier film cavity (41) quantity, and corresponding one by one in position, multiple described water outlet flaps (42) enclose a hollow circular cylinder, between adjacent water outlet flap (42), be provided with flap opening (43), multiple barrier film cavitys (41) are arranged on respectively in multiple cylinder port (51) that cylinder (5) is corresponding, gas skirt (2) is installed on septum assembly (4) top, water outlet flap (42) is installed in the exhalant canal (21) of gas skirt (2).
4. a kind of high efficiency diaphragm pump as claimed in claim 3, is characterized in that: be provided with sealed muscle (45) in the upper of described multiple barrier film cavitys (41) along periphery, described sealed muscle (45) is one-body molded with septum assembly (4).
5. a kind of high efficiency diaphragm pump as claimed in claim 4, it is characterized in that: described valve (3) is 3 or 4, corresponding barrier film cavity (41), water outlet flap (42), flap opening (43) and barrier film driveshaft (44) are also 3 or 4.
6. a kind of high efficiency diaphragm pump as claimed in claim 1, it is characterized in that: described cam pack (8) comprises cam chair (82) and camshaft (81), described cam chair (82) top is provided with a mounting hole (84) in the position corresponding with camshaft (81), in mounting hole (84), be provided with counterbalance (83), described bracket component (6) comprises barrier film driveshaft mounting hole (61) and camshaft attachment hole (62), and camshaft attachment hole (62) is connected with camshaft (81).
7. a kind of high efficiency diaphragm pump as claimed in claim 6, is characterized in that: between camshaft (81) and camshaft attachment hole (62), be provided with and be press-fitted bearing (10).
8. a kind of high efficiency diaphragm pump as claimed in claim 1, it is characterized in that: the corresponding position on described gas skirt (2) is evenly provided with multiple valve fixed holes (22), described valve fixed hole (22) is identical with valve (3) quantity, around each described valve fixed hole (22), be evenly provided with a circle water inlet (23), valve (3) comprises fixing column (31) and valve cover (32), fixing column (31) is installed in valve fixed hole (22), valve cover (32) is elasticity umbrella-shaped structure, be covered in a circle water inlet (23) from the below of described gas skirt (2).
9. a kind of high efficiency diaphragm pump as described in any one claim in claim 1 to 8, is characterized in that: described intake tunnel (11) is upper and lower uniform internal diameter with exhalant canal (21), and the ratio of its internal diameter is 0.8-3.
10. a kind of high efficiency diaphragm pump as described in any one claim in claim 1 to 8, is characterized in that: described intake tunnel (11) and exhalant canal (21) are uniform internal diameter not up and down, and the ratio of its internal diameter is that minimum diameter is than being 0.8-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420292586.9U CN203892162U (en) | 2014-06-04 | 2014-06-04 | High-efficiency diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420292586.9U CN203892162U (en) | 2014-06-04 | 2014-06-04 | High-efficiency diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892162U true CN203892162U (en) | 2014-10-22 |
Family
ID=51718575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420292586.9U Expired - Fee Related CN203892162U (en) | 2014-06-04 | 2014-06-04 | High-efficiency diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892162U (en) |
-
2014
- 2014-06-04 CN CN201420292586.9U patent/CN203892162U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 |