CN2721908Y - Pneumatic diaphragm pump with cavity buffer - Google Patents
Pneumatic diaphragm pump with cavity buffer Download PDFInfo
- Publication number
- CN2721908Y CN2721908Y CN 200420075924 CN200420075924U CN2721908Y CN 2721908 Y CN2721908 Y CN 2721908Y CN 200420075924 CN200420075924 CN 200420075924 CN 200420075924 U CN200420075924 U CN 200420075924U CN 2721908 Y CN2721908 Y CN 2721908Y
- Authority
- CN
- China
- Prior art keywords
- discharge port
- pneumatic
- diaphragm pump
- cavity buffer
- utility
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a pneumatic diaphragm pump with cavity buffer, comprising a pneumatic room, a working chamber, a feed port, a discharge port, a gas inlet and a gas outlet; a cavity buffer is arranged on the corresponding point of the discharge port, and the opening of the cavity buffer is communicated with the channel of the discharge port; the volume of the cavity buffer is that the output flux is from 1:25 to 35, and the unit of the output flux is L/ min. The structure of the original pneumatic diaphragm pump is not changed in the utility model with simple structure, and the combination of the utility model and the original structure is convenient; the three-way structure of the original discharge port is used for installing the cavity buffer on an indwelling opening in a pneumatic double diaphragm pump, and a three-way structural member is arranged on the discharge port of a pneumatic single diaphragm pump, which realizes the smooth output of the discharging material and improves the working performance of the host.
Description
Technical field
The utility model relates to a kind of membrane pump with pneumatic drive that has the cavity buffer, and being used for pressurized air is power, and withdrawing is carried various inflammable, the explosive place of liquid, by many sector applications.
Background technique
Pneumatic single diaphragm pump mainly is made up of active chamber and pneumatic chamber two-part, and the centre is separated fully by diaphragm.Pressurized air enters pneumatic chamber, promotes moving of diaphragm, and the pressure in Control work chamber realizes that charging, discharging hocket, thereby reach liquid is sucked by material feeding mouth, and is reciprocal with this by discharge port output, constantly liquid extracted out.According to above working principle as can be seen, therefore the of short duration minimizing that the moment that replaces in its cycle all can produce discharge hole for discharge has just produced pulsation.
The domestic membrane pump with pneumatic drive of producing all exists discharge end liquid that the pulsation that varies in size is arranged at present, and especially performance is more outstanding when lowpressure, little airflow work, has so just limited the steadily application of the occasion of output of ask for something.
Summary of the invention
The purpose of this utility model is the problem that solves membrane pump with pneumatic drive discharge end liquid pulsation, designs a kind of membrane pump with pneumatic drive of steady output.
The technical solution of the utility model: this membrane pump with pneumatic drive is a kind of membrane pump with pneumatic drive that has the cavity buffer, comprise pneumatic chamber, active chamber, material feeding mouth, discharge port, suction port, relief opening, be provided with buffering cavity container in the discharge port corresponding part, the mouth of this buffering cavity container communicates with the discharge port passage.
Described membrane pump with pneumatic drive, the volume of buffering cavity container: output flow=1: 25～35, the unit of output flow is liter/minute.
Advantage of the present utility model: the utility model is simple in structure, does not change the structure of former pneumatic diaphragm pump, and it is convenient to combine with original structure, easily realizes.For two barrier film membrane pump with pneumatic drives, only utilize the three-port structure of former discharge port, the mouth that buffering cavity container is contained in an indwelling upward gets final product; Add a three-port structure spare for single barrier film membrane pump with pneumatic drive at its discharge end, will cushion the cavity container and be contained on the mouth and can realize.
The discharge port passage connects a buffering cavity container, has realized the steady output of discharging, has reached beyond thought effect for improving the host work performance.As: the uniformity of the printing ink output of print directly influences printing quality.
Description of drawings
Fig. 1 is the structural representation of of the present utility model pair of barrier film membrane pump with pneumatic drive;
Fig. 2 is the structural representation of single barrier film membrane pump with pneumatic drive of the present utility model.
Embodiment
Fig. 1 is the structural representation of of the present utility model pair of barrier film membrane pump with pneumatic drive, below in conjunction with description of drawings embodiment and working principle: this pump is a symplex structure, by two diaphragms 6,6` this pump is divided into left and right active chamber 11,11` and left and right pneumatic chamber 12,12`.Pressurized air enters right pneumatic cavity 12` through suction port 3 by scavenging air valve 9, promoting diaphragm 6` moves to right, open one-way valve 8`, close one-way valve 5`, the right work of output indoor liquid is because left and right barrier film all is fixed on the middle mandrel 7, this moment, left diaphragm 6 also moved to right, two one-way valves 8 on the left side are closed, and 5 open, and suck liquid from material feeding mouth 1.When left side barrier film moved to right, the gas of left air chamber entered selector valve, promoted the interior axle of selector valve and moved, and closed right air chamber passage, and opened left air chamber inlet, entered down half period.Unnecessary gas is discharged by relief opening 4.
Be provided with buffering cavity container 10 in discharge port 2 corresponding parts, the mouth of this airtight buffering cavity container communicates with discharge port 2 passages.For Pneumatic double diaphragm pump, only utilize the three-port structure of former discharge port, the mouth that buffering cavity container is contained in an indwelling upward gets final product.
Fig. 2 is the structural representation of single barrier film membrane pump with pneumatic drive of the present utility model: this pump is made up of active chamber 11 and pneumatic chamber 12 two-part, and the centre is separated fully by diaphragm 6.Pressurized air is entered by suction port 3, entering pneumatic chamber 12 promotion diaphragms 6 by valve inside 9` moves to left, and compression main spring 13, one-way valve 5 is closed, one-way valve 8 is opened, liquid is by discharge port 2 outputs, because diaphragm 6 moves to left, make valve spring 14 promote valve inside 9` and move to left, drive sealing gasket 15 and move to left, make pressurized air enter balance cylinder 16, discharge through relief opening 4, air pressure reduces, and main spring promotes diaphragm 6 again and moves to right, active chamber internal check valve 8 cuts out, one-way valve 5 is opened, and liquid is sucked by material feeding mouth 1, makes sealing gasket seal air outlet flue simultaneously, reciprocal with this, liquid is extracted out.
Be provided with buffering cavity container 10 in discharge port 2 corresponding parts, the mouth of this airtight buffering cavity container communicates with discharge port 2 passages.Adding a three-port structure spare for pneumatic single diaphragm pump at its discharge end can realize.
Because airtight buffering cavity container is in original state, be full of air in the chamber, and these air of sealing back become gas in the seal container, when the discharge port delivery pressure increased, gas compression in the container entered in this container partially liq, and when the discharge port delivery pressure reduces, liquid in the container promptly utilizes airtight air good compression performance automatically as a supplement, reaches and exports purpose stably.
Through test, the shape of this damping device, material all do not have influence to the stationarity of output, can both play certain effect regardless of different kinds of the volume of buffering cavity container, but best volume size can be selected by following scope: the volume of buffering cavity container: output flow=1: 25～35, the unit of output flow is liter/minute.
Claims (2)
1. membrane pump with pneumatic drive that has the cavity buffer, comprise pneumatic chamber, active chamber, material feeding mouth, discharge port, suction port, relief opening, it is characterized in that: be provided with buffering cavity container in the discharge port corresponding part, the mouth of this buffering cavity container communicates with the discharge port passage.
2. membrane pump with pneumatic drive according to claim 1 is characterized in that: the volume of buffering cavity container: output flow=1: 25～35, the unit of output flow is liter/minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420075924 CN2721908Y (en) | 2004-07-08 | 2004-07-08 | Pneumatic diaphragm pump with cavity buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420075924 CN2721908Y (en) | 2004-07-08 | 2004-07-08 | Pneumatic diaphragm pump with cavity buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2721908Y true CN2721908Y (en) | 2005-08-31 |
Family
ID=35012280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420075924 Expired - Fee Related CN2721908Y (en) | 2004-07-08 | 2004-07-08 | Pneumatic diaphragm pump with cavity buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2721908Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401922A (en) * | 2016-08-30 | 2017-02-15 | 无锡东恒新能源科技有限公司 | Pneumatic diaphragm pump with discharging outlet having buffer function |
| CN110345051A (en) * | 2019-07-13 | 2019-10-18 | 六安市利康标识有限公司 | Pneumatic Bidirectional diaphragm pump |
-
2004
- 2004-07-08 CN CN 200420075924 patent/CN2721908Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401922A (en) * | 2016-08-30 | 2017-02-15 | 无锡东恒新能源科技有限公司 | Pneumatic diaphragm pump with discharging outlet having buffer function |
| CN110345051A (en) * | 2019-07-13 | 2019-10-18 | 六安市利康标识有限公司 | Pneumatic Bidirectional diaphragm pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |