CN106593832A - Current and voltage regulator of pneumatic double-diaphragm pump - Google Patents
Current and voltage regulator of pneumatic double-diaphragm pump Download PDFInfo
- Publication number
- CN106593832A CN106593832A CN201611249334.8A CN201611249334A CN106593832A CN 106593832 A CN106593832 A CN 106593832A CN 201611249334 A CN201611249334 A CN 201611249334A CN 106593832 A CN106593832 A CN 106593832A
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- diaphragm
- voltage device
- constant current
- constant voltage
- protecting block
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Classifications
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- 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
-
- 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
The invention relates to a current and voltage regulator of a pneumatic double-diaphragm pump, and belongs to the field of diaphragm pumps. The current and voltage regulator of the pneumatic double-diaphragm pump comprises a current and voltage regulator cover, a connecting guide shaft, an inner clamping cover, a medium channel, an outer protecting block, an inner protecting block and a diaphragm, wherein the inner clamping cover is arranged under the current and voltage regulator cover, the medium channel is formed below the inner clamping cover, medium through holes are formed in both sides of the medium channel, a barrel-shaped medium inlet channel and a barrel-shaped medium outlet channel extend outwards from the two sides of the medium channel, a buffer room is formed between the inner clamping cover and the medium channel, and the diaphragm is fixedly arranged in the buffer room. After the current and voltage regulator of the pneumatic double-diaphragm pump is adopted, liquid can be steadily output, and fluids can be steadily adjusted in the process of production of production enterprises with special requirements, so that higher-quality products are obtained; additionally, optimal design is implemented, so that the processing is simpler and more convenient, the maintenance is more convenient, manpower and material resources are saved, and the production enterprises and use units obtain high economic and use benefits.
Description
Technical field
The invention belongs to membrane pump field, is related to a kind of Pneumatic double diaphragm pump constant current constant voltage device.
Background technology
Pneumatic double diaphragm pump is a kind of new liquid material transfer equipment, and alternative immersible pump, dredge pump, centrifugal pump etc. set
Standby use.The pump possess small volume, it is lightweight, easy to install flexible the features such as, because which can be conveyed containing solid particle
Liquid, it is the advantages of there is no explosion-proof aspect, more next in petrochemical industry, coating, ship, water process, food, papermaking, mine etc.
Commonly use in more industries.
As Pneumatic double diaphragm pump working method is that left and right two chambers alternately work, in the conveying of liquid medium
During meeting, it may occur that flow, the peak valley of pressure are alternately changed, and cause the unfavorable factors such as the concussion of pipeline, in typical circumstances,
The use of equipment is not interfered with, but then needs the peak valley phenomenon produced to which to carry out peak load shifting in some special occasions, such as changed
In work production process, when some occasions need for Cucumber separation to be extracted from its solution, need to keep certain concentration, and
The liquid of pneumatic diaphragm pump conveying can be made the conveying capacity of liquid fluctuated, cause solution because affecting by its product structure
Concentration is ceaselessly swung up and down, it is impossible to reach the concentration scope of its requirement.
Application No. 200710036974.5, the Chinese patent application Pneumatic double diaphragm pump of Publication No. CN101025151,
Disclose a kind of Pneumatic double diaphragm pump, including pump cover, upper lid feed pipe, lower cover feed pipe, charging aperture, discharging opening, ball room, pump
Lid, diaphragm, dividing plate, central pump shaft, centrosome, ball seat and steel ball.
Application No. 201420624159.6, the Chinese invention patent of Publication No. CN204312296U it is a kind of it is pneumatic it is double every
Membrane pump, discloses a kind of Pneumatic double diaphragm pump, including cylinder body, main core, reversal valve and pump housing enclosing cover, the cylinder body
Top is provided with reversal valve, and reversing piston is provided with reversal valve, and the reversing piston is connected with air valve slide block, and the air valve slide block is opened
There is the aperture that can be communicated with air chamber, one end of air chamber is diaphragm.
Above-mentioned two patent is only the technological improvement for Pneumatic double diaphragm pump, it is impossible to solve flow, the peak valley of pressure is handed over
Cause the dysgenic problem such as the concussion of pipeline for conversion.
The content of the invention
Present invention aims to the peak valley of the flow, pressure described in background technology is alternately changed, cause pipeline
Concussion the problems such as, design a kind of Pneumatic double diaphragm pump constant current constant voltage device, the fluid output for Pneumatic double diaphragm pump makes steady
Stream, the design of stable-pressure device.
For achieving the above object, the present invention is solved by the following technical programs：
A kind of Pneumatic double diaphragm pump constant current constant voltage device, including constant current constant voltage device lid, connection the axis of guide, inner clip cover, medium lead to
Road, outer protecting block, interior protecting block and diaphragm；
Constant current constant voltage device base portion is hollow mesa-shaped, and constant current constant voltage device lid extends hollow shape support set from upper surface,
The hollow part of support set is oblate groove (i.e. hollow shape support set inside cross-section is shaped as oblateness)；
Inner clip cover is provided with below constant current constant voltage device lid, inner clip cover is hollow mesa-shaped, in inner clip cover upper surface and support set
Empty position corresponding position is provided with guiding axis hole, is oriented to around axis hole and is provided with passage, constant current constant voltage device lid lower end and inner clip cover upper end
It is fixedly connected；
Medium channel is provided with below inner clip cover, is spill plate-like in the middle of medium channel, medium channel both sides are provided with medium and lead to
Hole simultaneously extends outward the media inlet channel and media outlet channel of tubular respectively, and inner clip cover lower end is solid with medium channel upper end
Fixed to connect, the space between inner clip cover and medium channel forms surge chamber；
Buffering interior is fixed with diaphragm, diaphragm for can flexible sheet, the connection axis of guide can move up and down with dynamic diaphragm,
Surge chamber is separated by diaphragm, is upper chamber above diaphragm, and lower section is lower chamber；Interior shield is provided with above diaphragm middle part
Block, lower section are provided with outer protecting block, and interior protecting block, diaphragm and outer protecting block are fixedly connected sequentially；
Connection axis of guide epimere is square column type, and hypomere is cylindrical, and centre is provided with limited block, and connection axis of guide epimere is arranged
In the support set of constant current constant voltage device lid, connect axis of guide hypomere and extend to below inner clip cover through the axis hole that is oriented to of inner clip cover
Interior protecting block, is fixedly connected with interior protecting block.
As preferred technical scheme：
A kind of Pneumatic double diaphragm pump constant current constant voltage device as above, the constant current constant voltage device lid are hollow round table shape, interior
Folder cover is hollow round table shape, discoid for spill in the middle of medium channel；Constant current constant voltage device lid lower end is solid with the sealing of inner clip cover upper end
Fixed to connect, inner clip cover lower end is sealedly and fixedly connected with medium channel upper end.
A kind of Pneumatic double diaphragm pump constant current constant voltage device as above, the media inlet channel and media outlet channel point
Flange connecting pipe is not connected to.
A kind of Pneumatic double diaphragm pump constant current constant voltage device as above, the diaphragm edge are sealingly fastened in inner clip cover lower end
And medium channel upper end between.
A kind of Pneumatic double diaphragm pump constant current constant voltage device as above, the connection axis of guide lower end extends downwardly out fixation
Axle, fixing axle pass through interior protecting block, diaphragm and outer protecting block, and fixing axle lower end will connect the axis of guide, interior protecting block, diaphragm and outer by nut
Protecting block tightens fixation.
A kind of Pneumatic double diaphragm pump constant current constant voltage device as above, the diaphragm are disc-shaped, interior protecting block and outer protecting block
The disc-shaped of diaphragm diameter, home position of the fixing axle through interior protecting block, diaphragm and outer protecting block are less than for diameter.
A kind of Pneumatic double diaphragm pump constant current constant voltage device as above, the material of the diaphragm is rubber.
A kind of Pneumatic double diaphragm pump constant current constant voltage device as above, the mesa-shaped refer to the solid figure that both ends of the surface are plane
Shape, upper surface area are less than lower surface area.
A kind of Pneumatic double diaphragm pump constant current constant voltage device as above, the oblateness are referred to by a pair of parallel straight line and two
The flat shape that bar camber line is surrounded, i.e., a pair of parallel line by a circumference cutting after remaining mid portion.
The hollow part of the support set of constant current constant voltage device lid of the present invention is arranged to oblate groove, and oblate groove can prevent connection from leading
Rotate to axle, the function of fixed wrench when assembling, dismounting, can be played；At the same time, the circular arc position of oblate groove be connected guiding
The space formed between axle epimere square column gas passage then as compressed air, compressed air is hence into constant current constant voltage
The air intracavity of device；Connection axis of guide epimere is arranged to square column, in assembling without taking one's bearings, as long as being put in flat groove i.e.
Can, improve efficiency of assembling.
The scope of application of Pneumatic double diaphragm pump is quite extensive, and (medium of i.e. above-mentioned constant current constant voltage device enters product work bore
Mouthful passage) can from 6 millimeters to 80 millimeters multiple specifications (product specification be respectively 6mm, 10mm, 15mm, 20mm, 25mm, 40mm,
The flow of 50mm and 80mm, below 10mm is too little, so the not constant current constant voltage device of the specification), wherein being advised with 25～50 millimeters
The product of lattice occupies the main use occasion of such product again, therefore the research and development of the product of 25～50 millimeters of specifications are made general
Design, lengthens air pressure channel, on the product of different size only need to carry out turning to the length of compressed air channel, you can
It is allowed to the use suitable for other several specification products.It is oriented in shaft design in connection, connection axis of guide epimere, gas passage
Place has been designed with square structure, so avoids the need for distinguishing the radial direction of part during assembling product, directly
Load, it is succinct convenient.It is different in view of the connected mode of user equipment, deformation design is additionally used at pipe connecting flange so that
Connected mode can be converted to various connected modes such as threaded connection, clamping hoop type connection.The fastening spiral shell of fastening constant current constant voltage device lid
Silk is built-in, and while good looking appearance is succinct, connection screw thread will not receive extraneous infection.
Beneficial effect：
1), after using Pneumatic double diaphragm pump constant current constant voltage device, the output of liquid is more steady, the production to there is specific demand
Enterprise's fluid regulation in process of production is more steady, so as to obtain the product quality of more high-quality；
2) due to being optimized design, process more simple and convenient, safeguard also more convenient, saved manpower and materials,
Very big economy, utilization benefit are respectively provided with to manufacturing enterprise, using unit；
3) present invention is designed using the part of former Pneumatic double diaphragm pump, is reduced the number of product parts, is improve
The versatility of parts, reduces production cost.
Description of the drawings
Fig. 1 is constant current constant voltage device schematic diagram；
Fig. 2 is constant current constant voltage device lid schematic perspective view；
Fig. 3 is constant current constant voltage device lid profile；
Fig. 4 is constant current constant voltage device lid upward view；
Fig. 5 is connection axis of guide schematic perspective view；
Fig. 6 is interior protecting block schematic perspective view；
Fig. 7 is outer protecting block schematic perspective view；
Fig. 8 is diaphragm schematic perspective view；
Fig. 9 is inner clip cover schematic perspective view；
Figure 10 is medium channel schematic perspective view；
Figure 11 is medium channel top view；
Figure 12 is medium channel front view；
Figure 13 is the connection axis of guide, interior protecting block, diaphragm and outer protecting block connection diagram；
Wherein, 1- flange connecting pipes, 2- seal washers I, 3- medium channels, 4- constant current constant voltage device lids, the 5- connection axis of guides, 6-
Outer protecting block, protecting block in 7-, 8- seal washers II, 9- diaphragms, 10- inner clip covers, 31- medium through hole, 32- media inlet channels, 33-
Media outlet channel, 41- support sets, the oblate grooves of 42-, 51- connection axis of guide epimeres, 52- connection axis of guide hypomeres, 53- are spacing
Block, 54- fixing axles, 101- are oriented to axis hole, 102- passages.
Specific embodiment
1-13 is expanded on further the present invention below in conjunction with the accompanying drawings.It should be understood that these embodiments be merely to illustrate the present invention and
It is not used in restriction the scope of the present invention.In addition, it is to be understood that after the content for having read instruction of the present invention, those skilled in the art
The present invention can be made various changes or modifications, these equivalent form of values equally fall within what the application appended claims were limited
Scope.
A kind of Pneumatic double diaphragm pump constant current constant voltage device, including constant current constant voltage device lid 4, the connection axis of guide 5, inner clip cover 10, Jie
Matter passage 3, outer protecting block 6, interior protecting block 7 and diaphragm 9；
4 bottom of constant current constant voltage device lid is hollow round table shape, and constant current constant voltage device lid 4 extends hollow round table shape from upper surface
Support set 41, the hollow part of support set 41 is oblate groove 42 (i.e. hollow 41 inside cross-section of shape support set is shaped as oblateness)；
Inner clip cover 10 is provided with below constant current constant voltage device lid 4, inner clip cover 10 is hollow round table shape, inner clip cover 10 and support set 41
Hollow part corresponding position be provided with guiding axis hole 101, be oriented to axis hole 101 around be provided with passage 102, under constant current constant voltage device lid 4
End is sealedly and fixedly connected by seal washer II 8 with 10 upper end of inner clip cover；
Medium channel 3 is provided with below inner clip cover 10, medium channel 3 is that spill is discoid, and 3 both sides of medium channel are provided with medium
Through hole 31 simultaneously extends outward the media inlet channel 32 and media outlet channel 33 of tubular respectively, media inlet channel 32 and is situated between
Matter exit passageway 33 is sealedly and fixedly connected with flange connecting pipe 1 by seal washer I respectively, 10 lower end of inner clip cover and medium channel 3
Upper end is sealedly and fixedly connected, and the space between inner clip cover 10 and medium channel 3 forms surge chamber；
Buffering interior is fixed with diaphragm 9, and diaphragm 9 is disc-shaped, and 9 edge of diaphragm is fixed on 10 lower end of inner clip cover and medium
Between 3 upper end of passage, surge chamber is separated by diaphragm 9, is upper chamber above diaphragm 9, and lower section is lower chamber；In the middle of diaphragm 9
Interior protecting block 7 is provided with above position, lower section is provided with outer protecting block 6, and interior protecting block 7 is disk of the diameter less than 9 diameter of diaphragm with outer protecting block 6
Shape, interior protecting block 7, diaphragm 9 and outer protecting block 6 are fixedly connected sequentially；
Connection axis of guide epimere 51 is square column type, and hypomere is cylindrical, and centre is provided with limited block 53, connects axis of guide epimere
51 are arranged in the support set 41 of constant current constant voltage device lid 4, connect axis of guide hypomere 52 and prolong through the guiding axis hole 101 of inner clip cover 10
The interior protecting block 7 below inner clip cover 10 is extended, is fixedly connected with interior protecting block 7, connection axis of guide lower end extends downwardly out fixing axle 54,
Fixing axle 54 through interior protecting block 7, diaphragm 9 and outer protecting block 6 home position, 54 lower end of fixing axle by nut will connect the axis of guide 5,
Interior protecting block 7, diaphragm 9 and outer protecting block 6 tighten fixation.
Wherein, mesa-shaped refers to the three-dimensional shape that both ends of the surface are plane, and upper surface area is less than lower surface area, and oblateness is
The flat shape that finger is surrounded by a pair of parallel straight line and two camber lines.
The component assembling method of Pneumatic double diaphragm pump constant current constant voltage device is：First 51 one end of connection axis of guide epimere is put into
In the oblate groove 42 of constant current constant voltage device lid 4, then with soket head cap screw from inside by constant current constant voltage device lid 4, inner clip cover 10 and close
Seal washer II 8 is fastened, and then the end of thread in connection axis of guide fixing axle 54 places an O-ring, is sequentially placed into interior protecting block 7, rubber
Glue film 9 and outer protecting block 6 simultaneously use nut screwing clamping, somewhat by pressuring film plate 9 for several times, detect whether the connection axis of guide 5 is moved normal,
Next medium channel 3 is buckled in the rubber diaphragm 9 and inner clip cover 10 being completed, after alignment seal groove and screwhole position,
Bolt is tightened symmetrically and evenly with hex bolts, finally again by flange connecting pipe 1 and seal washer I 2 hex bolts and hex nut
Fastening.
During work, Pneumatic double diaphragm pump constant current constant voltage device is bound up on into the liquid outlet one of membrane pump by flange connecting pipe 1
End, and controllable compressed air (0.1-0.8MPa) is passed through in constant current constant voltage device by the upper end of constant current constant voltage device lid 4, compression is empty
The space and passage 102 formed between 51 square column of circular arc position and connection axis of guide epimere by oblate groove 42 by gas is entered
Enter in the upper chamber that rubber diaphragm 9 separates, and rubber diaphragm 9 is pressed to the lower chamber of liquid end.When membrane pump outlet stream
Diaphragm 9 is lifted up when maximum by the liquid for entering in flow, pressure, increased the volume of liquid chamber, pneumatic so as to reduce
The flow and pressure in twin-diaphragm pump constant current constant voltage device exit；And when minimum, diaphragm 9 is pressed downwards by compressed air at which,
The volume of liquid chamber is reduced, so as to increased the flow and pressure in Pneumatic double diaphragm pump constant current constant voltage device exit so that
The flow and pressure of the outlet section of constant current constant voltage device is maintained in stable fluctuation range, is reached final to Pneumatic double diaphragm pump
The function of peak load shifting is played in liquid output.
Claims (7)
1. a kind of Pneumatic double diaphragm pump constant current constant voltage device, is characterized in that：Including constant current constant voltage device lid, connection the axis of guide, inner clip cover,
Medium channel, outer protecting block, interior protecting block and diaphragm；
Constant current constant voltage device base portion is hollow mesa-shaped, and constant current constant voltage device lid extends hollow shape support set, support set from upper surface
Hollow part be oblate groove；
Inner clip cover is provided with below constant current constant voltage device lid, inner clip cover is the hollow bulb of hollow mesa-shaped, inner clip cover upper surface and support set
Position corresponding position is provided with guiding axis hole, is oriented to around axis hole and is provided with passage, and constant current constant voltage device lid lower end is fixed with inner clip cover upper end
Connection；
Medium channel is provided with below inner clip cover, is spill plate-like in the middle of medium channel, medium channel both sides are provided with medium through hole simultaneously
The upper end of the media inlet channel and media outlet channel of tubular, inner clip cover lower end and medium channel plate-like is extended outward respectively
It is fixedly connected, the space between inner clip cover and medium channel forms surge chamber；
Buffering interior is fixed with diaphragm, and surge chamber is separated by diaphragm, is upper chamber above diaphragm, and lower section is lower chamber；
Interior protecting block is provided with above diaphragm middle part, lower section is provided with outer protecting block, and interior protecting block, diaphragm and outer protecting block are fixedly connected sequentially；
Connection axis of guide epimere is square column type, and hypomere is cylindrical, and centre is provided with limited block, and connection axis of guide epimere is arranged at surely
In the support set of stream manostat lid, connect axis of guide hypomere and the interior shield below inner clip cover is extended to through the axis hole that is oriented to of inner clip cover
Block, is fixedly connected with interior protecting block.
2. a kind of Pneumatic double diaphragm pump constant current constant voltage device according to claim 1, it is characterised in that the constant current constant voltage device
Cover as hollow round table shape, inner clip cover is hollow round table shape, it is discoid for spill in the middle of medium channel；Constant current constant voltage device lid lower end with
Inner clip cover upper end is sealedly and fixedly connected, and inner clip cover lower end is sealedly and fixedly connected with medium channel upper end.
3. a kind of Pneumatic double diaphragm pump constant current constant voltage device according to claim 1, it is characterised in that the medium inlet leads to
Road and media outlet channel are connected to flange connecting pipe respectively.
4. a kind of Pneumatic double diaphragm pump constant current constant voltage device according to claim 1, it is characterised in that the diaphragm edge is solid
Due between the upper end of inner clip cover lower end and medium channel plate-like.
5. a kind of Pneumatic double diaphragm pump constant current constant voltage device according to claim 1, it is characterised in that the connection axis of guide
Lower end extends downwardly out fixing axle, and fixing axle passes through interior protecting block, diaphragm and outer protecting block, fixing axle lower end connect guiding by nut
Axle, interior protecting block, diaphragm and outer protecting block tighten fixation.
6. a kind of Pneumatic double diaphragm pump constant current constant voltage device according to claim 5, it is characterised in that the diaphragm is disk
Shape, interior protecting block and the disc-shaped that outer protecting block is that diameter is less than diaphragm diameter, circle of the fixing axle through interior protecting block, diaphragm and outer protecting block
Heart position.
7. a kind of Pneumatic double diaphragm pump constant current constant voltage device according to claim 1, it is characterised in that the material of the diaphragm
For rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249334.8A CN106593832B (en) | 2016-12-29 | 2016-12-29 | Pneumatic double diaphragm pump constant current constant voltage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249334.8A CN106593832B (en) | 2016-12-29 | 2016-12-29 | Pneumatic double diaphragm pump constant current constant voltage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106593832A true CN106593832A (en) | 2017-04-26 |
| CN106593832B CN106593832B (en) | 2018-08-21 |
Family
ID=58604231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611249334.8A Active CN106593832B (en) | 2016-12-29 | 2016-12-29 | Pneumatic double diaphragm pump constant current constant voltage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106593832B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2262740A1 (en) * | 1974-02-28 | 1975-09-26 | Bethune Chaudronnerie Indle | Diaphragm pump - chambers separated by diaphragm handling fluid and gas transmitting driving impulses |
| JPS60145470A (en) * | 1984-01-09 | 1985-07-31 | Sakura Seisakusho:Kk | Diaphragm pump |
| CN201162663Y (en) * | 2008-03-10 | 2008-12-10 | 李建松 | Pressure regulating type voltage regulation membrane pump |
| CN201502514U (en) * | 2009-08-18 | 2010-06-09 | 赵大洋 | Pressure stabilizing device for pneumatic diaphragm pump |
| CN205297904U (en) * | 2016-01-13 | 2016-06-08 | 台州信溢农业机械有限公司 | Diaphragm type voltage regulator device |
| CN206600252U (en) * | 2016-12-29 | 2017-10-31 | 上海如迪网络科技有限公司 | Pneumatic double diaphragm pump constant current constant voltage device |
-
2016
- 2016-12-29 CN CN201611249334.8A patent/CN106593832B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2262740A1 (en) * | 1974-02-28 | 1975-09-26 | Bethune Chaudronnerie Indle | Diaphragm pump - chambers separated by diaphragm handling fluid and gas transmitting driving impulses |
| JPS60145470A (en) * | 1984-01-09 | 1985-07-31 | Sakura Seisakusho:Kk | Diaphragm pump |
| CN201162663Y (en) * | 2008-03-10 | 2008-12-10 | 李建松 | Pressure regulating type voltage regulation membrane pump |
| CN201502514U (en) * | 2009-08-18 | 2010-06-09 | 赵大洋 | Pressure stabilizing device for pneumatic diaphragm pump |
| CN205297904U (en) * | 2016-01-13 | 2016-06-08 | 台州信溢农业机械有限公司 | Diaphragm type voltage regulator device |
| CN206600252U (en) * | 2016-12-29 | 2017-10-31 | 上海如迪网络科技有限公司 | Pneumatic double diaphragm pump constant current constant voltage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106593832B (en) | 2018-08-21 |
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Effective date of registration: 20190809 Address after: No. 350 Nanyang Port East Road, Shanyang Town, Jinshan District, Shanghai, 201500 Patentee after: Shanghai Jianglang Science and Technology Co., Ltd. Address before: Room 307, No. 38 Lane 1, Shanlei Road, Shanyang Town, Jinshan District, Shanghai, 201500 Patentee before: Shanghai Di Network Technology Co., Ltd. |
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Address after: 201508 No. 350, nanyanggang East Road, Shanyang Town, Jinshan District, Shanghai Patentee after: Jianglang Technology Co.,Ltd. Address before: No. 350, nanyanggang East Road, Shanyang Town, Jinshan District, Shanghai 201500 Patentee before: Shanghai Jianglang Science and Technology Co.,Ltd. |