CN107013442A - A kind of pneumatic diaphragm pump of external Pneumatic valve - Google Patents
A kind of pneumatic diaphragm pump of external Pneumatic valve Download PDFInfo
- Publication number
- CN107013442A CN107013442A CN201610133049.3A CN201610133049A CN107013442A CN 107013442 A CN107013442 A CN 107013442A CN 201610133049 A CN201610133049 A CN 201610133049A CN 107013442 A CN107013442 A CN 107013442A
- Authority
- CN
- China
- Prior art keywords
- pump housing
- diaphragm
- pneumatic valve
- cover
- pneumatic
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/06—Pumps having fluid drive
- F04B43/073—Pumps having fluid drive the actuating fluid being controlled by at least one valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/0009—Special features
- F04B43/0081—Special features systems, control, safety measures
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
A kind of pneumatic diaphragm pump of external Pneumatic valve, including Pneumatic valve, the pump housing, central shaft, left cover, right cover, reversing switch, the pump housing center, which is provided with a U-shaped hole, the U-shaped hole, installs a diaphragm push rod；The left cover, right cover are respectively placed in pump housing both sides and one diaphragm of each installation are distinguished between left cover and the pump housing and right cover and the pump housing；The two ends of the both sides its center and diaphragm push rod are connected by protecting block outside protecting block in diaphragm, sealing ring, diaphragm；One end of the central shaft is provided with limited step provided with external screw thread, the other end, and the central shaft is provided with externally threaded one end is through left cover pad, left cover, the pump housing, diaphragm push rod, two latallaes, right cover and fastening is connected with nut；One end connection Pneumatic valve of the central shaft provided with limited step；Covered in the top connection one of the pump housing, bottom connects a lower cover；The reversing switch is installed on left cover, in right cover.The present invention is external by Pneumatic valve, and simple in construction, use cost is low.
Description
Technical field
The present invention relates to a kind of pneumatic diaphragm pump.
Background technology
Pneumatic diaphragm pump is a kind of novel conveyer tool, uses compressed air for power source, for various corrosive liquids, band
The liquid of grain, high viscosity, volatile, inflammable, hypertoxic liquid, and powder can be taken out light exhaustion, at present shape
It is into large-scale production, product quality is well received.Being mainly characterized by of this pump is not required to tank diversion, can pump the liquid of flowing,
Some not runny media, all functions with immersible pump, self priming pump, transh pump, canned motor pump, slush pump can be conveyed again
With many features of conveying machinery, plastic pneumatic membrane pump and pneumatic metal membrane pump can be divided into.
The pneumatic diaphragm pump of prior art coordinates built-in reversal valve to control to drive the commutation of gas to control by air valve assembly mostly
The work of pneumatic diaphragm pump processed, complicated, accessory is more for its, involve great expense, and dismounting troublesome maintenance, and use cost is high.
The content of the invention
Due to the above mentioned problem of prior art, the invention provides a kind of pneumatic diaphragm pump of external Pneumatic valve, it can effectively be solved
Certainly above mentioned problem.
The technical scheme that present invention solution above-mentioned technical problem is used is to provide a kind of pneumatic diaphragm pump of external Pneumatic valve, including
Pneumatic valve, the pump housing, central shaft, left cover, right cover, reversing switch one, reversing switch two, the pump housing center are U-shaped provided with one
One diaphragm push rod is installed in hole, the U-shaped hole pump housing is crossed and mistake by the U-shaped hole；The left cover, right cover are respectively placed in the pump housing two
Each diaphragm of installing will be divided into air chamber between left cover, the pump housing, right cover respectively between side and left cover and the pump housing and right cover and the pump housing
And fluid cavity；The two ends of the both sides its center and diaphragm push rod pass through protecting block outside protecting block in diaphragm, diaphragm seal circle, diaphragm
It is connected；One end of the central shaft is provided with limited step provided with external screw thread, the other end, and the central shaft is provided with externally threaded one
End is through left cover pad, left cover, the pump housing, diaphragm push rod, two latallaes, right cover and is connected with nut fastening；The central shaft
One end connection Pneumatic valve provided with limited step；The Pneumatic valve is installed on left cover pad；In the top connection one of the pump housing
Lid, bottom is sequentially connected a lower cover, base, two check-valves is respectively mounted between the pump housing and upper lid and lower cover；It is described to change
To switch one is installed in left cover, reversing switch two is installed in right cover.
The central shaft provided with limited step one end end face be additionally provided with from the end face starting along direction of axis line to setpoint distance with
The concentric hole one of axial line, the end of hole one extends to opposite circular arc provided with multiple from axle main body arc surface to direction of axis line
The hole two vertical with axial line and the circle distribution centered on axial line in face, the hole one is connected with hole two.
The side of the pump housing is respectively communicated to a check-valves and the check-valves of bottom one at the top of the pump housing provided with two symmetrical through holes, described
The opposite side of the pump housing is respectively communicated to another check-valves and another check-valves in bottom at the top of the pump housing provided with two symmetrical through holes.
The check-valves includes ball stopper block, ball, ball seat, sealing ring, and the ball seat is installed on the pump housing and lower lid by sealing ring,
The ball stopper block is placed on ball seat, and the ball is placed on ball seat center and under ball stopper block.
The Pneumatic valve is double air controlled structure and is provided with control mouth one, control mouth two.
The reversing switch one is identical with the physical dimension of reversing switch two and is symmetrically installed, the reversing switch one include commutation needle guard,
Commutate pin, spring, end cap, and one end of the commutation needle guard is installed end cap, the other end provided with external screw thread and installed by external screw thread
In in left cover；It is described commutation pin be placed in commutation needle guard in and commutation pin one end by spring withstand end cap, the other end pass through commutation
Needle guard simultaneously stretches out left cover；The reversing switch one is additionally provided with air admission hole one, venthole one, steam vent one, the reversing switch two
It is additionally provided with air admission hole two, venthole two, steam vent two；The air admission hole one is connected simultaneously with air admission hole two by outside tracheae
Driving source of the gas is communicated to, the venthole one is communicated to Pneumatic valve control mouth one, venthole two by outside tracheae and passes through outside gas
Pipe is communicated to Pneumatic valve control mouth two.
The beneficial effects of the invention are as follows：A kind of pneumatic diaphragm pump for external Pneumatic valve that the present invention is provided, will without air valve assembly
Reversing switch and Pneumatic valve are external, and the work of pneumatic diaphragm pump is directly controlled by Pneumatic valve, can greatly reduce number of fitting parts,
Simple in construction, easy to maintenance, use cost is low.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the shape assumption diagram of the present invention.
Fig. 2 is Fig. 1 front view.
Fig. 3 is Fig. 1 left view.
Fig. 4 is Fig. 1 explosive view.
Fig. 5 is the sectional view of central shaft in Fig. 4.
Embodiment
The embodiment of the present invention is expanded on further below in conjunction with the accompanying drawings：
As shown in Figures 1 to 5, the pneumatic diaphragm pump of a kind of external Pneumatic valve that the present invention is provided include Pneumatic valve 1, the pump housing 2501,
Central shaft 2517, left cover 2506, right cover 2507, reversing switch 1, reversing switch 23, the center of the pump housing 2501 are set
There is a U-shaped hole, a diaphragm push rod 2519 is installed in the U-shaped hole pump housing 2501 is crossed and mistake, the pump housing by the U-shaped hole
One sealing ring 2524 is installed in 2501 U-shaped hole between diaphragm push rod 2519 to carry out the pump housing 2501 and diaphragm push rod 2519
Sealing；The left cover 2506, right cover 2507 are respectively placed in the both sides of the pump housing 2501 and left cover 2506 and the pump housing 2501 and right cover 2507
Each diaphragm 2516 of installing will be divided into sky between left cover 2506, the pump housing 2501, right cover 2507 respectively between the pump housing 2501
Air cavity and fluid cavity；The center of two latallae 2516 and the two ends of diaphragm push rod 2519 pass through protecting block in diaphragm 2515, diaphragm
The outer protecting block 2514 of sealing ring 2522, diaphragm is connected；One end of the central shaft 2517 is set provided with external screw thread 11, the other end
Limited location step 12, the one end of the central shaft 2517 provided with external screw thread 11 passes through left cover pad 2512, left cover 2506, the pump housing
2501st, diaphragm push rod 2519, two latallaes 2516, right cover 2507 and fastening, the central shaft 2517 are connected with nut 2525
One bearing 2518 and two V-type circles 2523 are installed between diaphragm push rod 2519 and the Nei Dui centers of diaphragm push rod 2519 are fixed on
Axle 2517 and diaphragm push rod 2519 are sealed, and the V-type circle 2523 is symmetrically positioned in the both sides of bearing 2518；The central shaft
2517 one end connection Pneumatic valves 1 provided with limited step 12；The Pneumatic valve 1 is installed on left cover pad 2512；The pump
Lid 2502 in the top connection one of body 2501, bottom is sequentially connected a lower cover 2503, base 2505, the pump housing 2501 with
Two check-valves are respectively mounted between upper lid 2502 and lower cover 2503；The reversing switch 1 is installed in left cover 2506, changed
It is installed on to switch 23 in right cover 2507.
The end face of the one end of the central shaft 2517 provided with limited step 12 is additionally provided with from end face starting along direction of axis line to setting
The set a distance hole one 13 concentric with axial line, the end of hole 1 is provided with multiple from axle main body arc surface to direction of axis line
Extend to the hole 2 14 vertical with axial line and the circle distribution centered on axial line of opposite arc surface, the hole 1 and hole
2 14 connections.
The side of the pump housing 2501 is respectively communicated to one check-valves of top of the pump housing 2501 provided with two symmetrical through holes and bottom one is stopped
Valve is returned, the opposite side of the pump housing 2501 is respectively communicated to another check-valves in the top of the pump housing 2501 and bottom provided with two symmetrical through holes
Another check-valves in portion.
The check-valves includes ball stopper block 2508, ball 2509, ball seat 2510, sealing ring 2511, and the ball seat 2510 is by close
Seal 2511 is installed on the pump housing 2501 and lower cover 2503, and the ball stopper block 2508 is placed on ball seat 2510, the ball 2509
It is placed on the center of ball seat 2510 and under ball stopper block 2508.
The Pneumatic valve 1 is double air controlled structure and is provided with control mouth 1, control mouth 2 102.
The reversing switch 1 is identical with the physical dimension of reversing switch 23 and is symmetrically installed, and the reversing switch 1 includes changing
To needle guard 2531, commutate pin 2532, spring 2533, end cap 2534, one end installation end cap 2534 of the commutation needle guard 2531,
The other end is installed on left cover 2506 in provided with external screw thread and by external screw thread；The commutation pin 2532 is placed in commutation needle guard 2531
And one end of commutation pin 2532 withstands end cap 2534, the other end by commutating by spring 2533 and needle guard 2531 and stretches out left cover
2506；The reversing switch 1 is additionally provided with air admission hole 1, venthole 1, steam vent 1, the reversing switch
23 are additionally provided with air admission hole 2 301, venthole 2 302, steam vent 2 303；The air admission hole 1 and air admission hole 2 301
Connected by outside tracheae and be communicated to driving source of the gas, the venthole 1 is communicated to Pneumatic valve control mouth by outside tracheae
One 101, venthole 2 302 is communicated to Pneumatic valve control mouth 2 102 by outside tracheae.
The course of work of the present invention includes：Compressed air enters the side of diaphragm 2516 of the side of the pump housing 2501 by Pneumatic valve 1
Air chamber promotes diaphragm 2516 and diaphragm push rod 2519 to be acted to other direction, when acting to terminal, the outer protecting block 2514 of diaphragm
Commutation pin 2532 is answered back to, makes air admission hole 1 connect with venthole 1 to control Pneumatic valve 1 to commutate, is compressed after commutation
Air enters the opposite side air chamber of the pump housing 2501 by Pneumatic valve 1 and repeats above-mentioned action, in the action process of reciprocation cycle,
Fluid media (medium) is constantly drawn through lower check-valves from lower cover 2503 and discharged to fluid cavity, then by the supreme lid 2502 of upper check valve.
A kind of pneumatic diaphragm pump for external Pneumatic valve that the present invention is provided, reversing switch and Pneumatic valve is external, it is straight by Pneumatic valve
The work of control pneumatic diaphragm pump is connect, coordinates built-in reversal valve to control driving gas by air valve assembly with traditional pneumatic diaphragm pump
The commutation of body is compared to can greatly reduce number of fitting parts, and simple in construction, easy to maintenance, use cost is low.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, it is all in the spirit and principles in the present invention
Within any modifications, equivalent substitutions and improvements for being made etc., should be included in the scope of the protection.
Claims (6)
1. a kind of pneumatic diaphragm pump of external Pneumatic valve, including Pneumatic valve (1), the pump housing (2501), central shaft (2517), a left side
Cover (2506), right cover (2507), reversing switch one (2), reversing switch two (3), it is characterised in that the pump housing (2501)
Center is provided with a U-shaped hole, and one diaphragm push rod (2519) of installation crosses the pump housing (2501) and mistake by the U-shaped hole in the U-shaped hole,
One sealing ring (2524) is installed between diaphragm push rod (2519) to the pump housing (2501) in the U-shaped hole of the pump housing (2501)
Sealed with diaphragm push rod (2519)；The left cover (2506), right cover (2507) are respectively placed in the pump housing (2501) both sides
And one diaphragm of each installation (2516) is distinguished between left cover (2506) and the pump housing (2501) and right cover (2507) and the pump housing (2501)
Left cover (2506), the pump housing (2501), right cover are divided into air chamber and fluid cavity between (2507)；Two latallae (2516)
Center and the two ends of diaphragm push rod (2519) pass through protecting block in diaphragm (2515), diaphragm seal circle (2522), the outer protecting block of diaphragm
(2514) it is connected；One end of the central shaft (2517) is provided with limited step (12) provided with external screw thread (11), the other end,
The central shaft (2517) provided with external screw thread (11) one end through left cover pad (2512), left cover (2506), the pump housing (2501),
Diaphragm push rod (2519), two latallaes (2516), right cover (2507) are simultaneously connected fastening, the center with nut (2525)
One bearing (2518) and two V-type circles (2523) are installed between axle (2517) and diaphragm push rod (2519) and film is fixed on
Central shaft (2517) and diaphragm push rod (2519) are sealed in piece push rod (2519), the V-type circle (2523) is right
Claim to be located at bearing (2518) both sides；One end connection Pneumatic valve (1) of the central shaft (2517) provided with limited step (12)；
The Pneumatic valve (1) is installed on left cover pad (2512)；(2502) are covered in the top connection one of the pump housing (2501),
Bottom is sequentially connected a lower cover (2503), base (2505), the pump housing (2501) and upper lid (2502) and lower cover (2503)
Between be respectively mounted two check-valves；The reversing switch one (2) is installed in left cover (2506), reversing switch two (3)
It is installed in right cover (2507).
2. the pneumatic diaphragm pump of external Pneumatic valve according to claim 1, it is characterised in that the central shaft (2517)
The end face of one end provided with limited step (12) is additionally provided with same with axial line along direction of axis line to setpoint distance from end face starting
The hole one (13) of the heart, described (13) end of hole one provided with it is multiple from axle main body arc surface to direction of axis line extend to opposite circle
The hole two (14) vertical with axial line and the circle distribution centered on axial line of cambered surface, the hole one (13) and hole two (14)
Connection.
3. the pneumatic diaphragm pump of external Pneumatic valve according to claim 1, it is characterised in that the pump housing (2501)
Side is respectively communicated to a check-valves and the check-valves of bottom one, the pump housing at the top of the pump housing (2501) provided with two symmetrical through holes
(2501) it is another only that opposite side is respectively communicated to another check-valves and bottom at the top of the pump housing (2501) provided with two symmetrical through holes
Return valve.
4. the pneumatic diaphragm pump of the external Pneumatic valve according to claim 1 or 3, it is characterised in that the check-valves includes
Ball stopper block (2508), ball (2509), ball seat (2510), sealing ring (2511), the ball seat (2510) pass through sealing ring
(2511) it is installed on the pump housing (2501) and lower cover (2503), the ball stopper block (2508) is placed on ball seat (2510),
The ball (2509) is placed on ball seat (2510) center and under ball stopper block (2508).
5. the pneumatic diaphragm pump of external Pneumatic valve according to claim 1, it is characterised in that the Pneumatic valve (1) is
Double air controlled structure and provided with control mouth one (101), control mouth two (102).
6. the pneumatic diaphragm pump of external Pneumatic valve according to claim 1 or 5, it is characterised in that the reversing switch one
(2) it is identical with reversing switch two (3) physical dimension and be symmetrically installed, the reversing switch one (2) include commutation needle guard (2531),
Commutate pin (2532), spring (2533), end cap (2534), one end installation end cap (2534) of the commutation needle guard (2531),
The other end is installed on left cover (2506) in provided with external screw thread and by external screw thread；The commutation pin (2532) is placed in commutation needle guard
(2531) end cap (2534), the other end are withstood by spring (2533) pass through the pin that commutates in and one end of commutation pin (2532)
Set (2531) simultaneously stretches out left cover (2506)；The reversing switch one (2) be additionally provided with air admission hole one (201), venthole one (202),
Steam vent one (203), the reversing switch two (3) is additionally provided with air admission hole two (301), venthole two (302), steam vent two
(303)；The air admission hole one (201) is connected by outside tracheae with air admission hole two (301) and is communicated to driving source of the gas, institute
State venthole one (202) Pneumatic valve control mouth one (101), venthole two (302) are communicated to by outside tracheae and pass through outside
Tracheae is communicated to Pneumatic valve control mouth two (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133049.3A CN107013442A (en) | 2016-03-02 | 2016-03-02 | A kind of pneumatic diaphragm pump of external Pneumatic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133049.3A CN107013442A (en) | 2016-03-02 | 2016-03-02 | A kind of pneumatic diaphragm pump of external Pneumatic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107013442A true CN107013442A (en) | 2017-08-04 |
Family
ID=59439040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610133049.3A Pending CN107013442A (en) | 2016-03-02 | 2016-03-02 | A kind of pneumatic diaphragm pump of external Pneumatic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107013442A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488576A (en) * | 2018-12-21 | 2019-03-19 | 汤新红 | A kind of Detachable type portable diaphragm pump |
| CN111252554A (en) * | 2020-03-02 | 2020-06-09 | 江西黑猫炭黑股份有限公司 | Conveying equipment for producing white carbon black by gas phase method |
| CN112412758A (en) * | 2020-11-18 | 2021-02-26 | 青岛农业大学 | Follow-up sheet valve mixing and stirring piezoelectric pump |
| CN113027735A (en) * | 2021-03-05 | 2021-06-25 | 博朗普特工业设备(苏州)有限公司 | Self-adaptive low-pulsation combined pneumatic diaphragm pump with diaphragm alarm device |
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| US1920014A (en) * | 1931-06-26 | 1933-07-25 | Trico Products Corp | Multiple diaphragm pump |
| EP0132913A1 (en) * | 1983-04-07 | 1985-02-13 | Flotronics Ag | Diaphragm or piston pump |
| US4624628A (en) * | 1984-11-06 | 1986-11-25 | Flotronics Ag | Double-diaphragm pumps |
| EP0298615A2 (en) * | 1987-06-11 | 1989-01-11 | Flotronic Controls Limited | Double-diaphragm pump |
| US6299415B1 (en) * | 1995-04-27 | 2001-10-09 | Svante Bahrton | Double-acting pump |
| EP1113174A3 (en) * | 1999-12-30 | 2002-01-02 | Flotronic Pumps Limited | Double-diaphragm pumps |
| CN1423051A (en) * | 2001-12-05 | 2003-06-11 | 山田株式会社 | Film type pumping device |
| US20120045350A1 (en) * | 2009-04-29 | 2012-02-23 | Peter Wheal | Double-diaphragm pumps |
| CN204253334U (en) * | 2014-11-10 | 2015-04-08 | 上海方顿工业设备有限公司 | A kind of membrane pump with pneumatic drive of a nut dismounting |
| CN205401062U (en) * | 2016-03-02 | 2016-07-27 | 上海方顿工业设备有限公司 | Pneumatic diaphragm pump of external gas accuse valve |
-
2016
- 2016-03-02 CN CN201610133049.3A patent/CN107013442A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1920014A (en) * | 1931-06-26 | 1933-07-25 | Trico Products Corp | Multiple diaphragm pump |
| EP0132913A1 (en) * | 1983-04-07 | 1985-02-13 | Flotronics Ag | Diaphragm or piston pump |
| US4624628A (en) * | 1984-11-06 | 1986-11-25 | Flotronics Ag | Double-diaphragm pumps |
| EP0298615A2 (en) * | 1987-06-11 | 1989-01-11 | Flotronic Controls Limited | Double-diaphragm pump |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488576A (en) * | 2018-12-21 | 2019-03-19 | 汤新红 | A kind of Detachable type portable diaphragm pump |
| CN111252554A (en) * | 2020-03-02 | 2020-06-09 | 江西黑猫炭黑股份有限公司 | Conveying equipment for producing white carbon black by gas phase method |
| CN112412758A (en) * | 2020-11-18 | 2021-02-26 | 青岛农业大学 | Follow-up sheet valve mixing and stirring piezoelectric pump |
| CN112412758B (en) * | 2020-11-18 | 2022-08-23 | 青岛农业大学 | Follow-up sheet valve mixing and stirring piezoelectric pump |
| CN113027735A (en) * | 2021-03-05 | 2021-06-25 | 博朗普特工业设备(苏州)有限公司 | Self-adaptive low-pulsation combined pneumatic diaphragm pump with diaphragm alarm device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170804 |