CN210949068U - Diaphragm delivery pump - Google Patents
Diaphragm delivery pump Download PDFInfo
- Publication number
- CN210949068U CN210949068U CN201922055558.0U CN201922055558U CN210949068U CN 210949068 U CN210949068 U CN 210949068U CN 201922055558 U CN201922055558 U CN 201922055558U CN 210949068 U CN210949068 U CN 210949068U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- diaphragm pump
- cavity
- hydraulic
- plunger
- 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.)
- Active
Links
Images
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model provides a diaphragm transfer pump, a first diaphragm pump head is connected with a supercharging device through a second diaphragm pump head, a diaphragm is arranged between the first diaphragm pump head and the second diaphragm pump head, wherein, one end of the first diaphragm pump head close to the diaphragm is provided with a diaphragm cavity, a first hydraulic cavity is arranged in the second diaphragm pump head, and one end of the supercharging device connected with the second diaphragm pump head is provided with a connecting piece; a second hydraulic cavity and a plunger cavity which are communicated with each other are arranged in the pressurizing device, a plunger is arranged in the plunger cavity, a hydraulic supplement interface is arranged at the upper part of the pressurizing device, and the hydraulic supplement interface is positioned below the plunger cavity and is connected with a hydraulic supplement container; the center of the end face at one side of the diaphragm is provided with a spring. The utility model discloses rational in infrastructure, adopt the plunger to carry out the pressure boost to the pressure boost liquid, because there is certain proportional relation between the driving force of plunger and the pressure of plunger to the pressure boost liquid, the pressure that transmits for the pressure boost liquid is just proportional improvement, has realized the high pressure and has carried the material.
Description
Technical Field
The utility model belongs to the technical field of the delivery pump, in particular to diaphragm delivery pump.
Background
The diaphragm pump is a common conveying booster pump, and the common diaphragm pump is a pneumatic diaphragm pump at present, and the diaphragm pump is powered by compressed air to push the diaphragm to push liquid medicine to work. The diaphragm pump is characterized in that the medium capable of being conveyed is very wide, and acid and alkali media and the like can be conveyed.
The above process has the following technical defects: the pneumatic diaphragm pump is influenced by the driving mode, and is difficult to reach high conveying pressure, so that the pneumatic diaphragm pump is not suitable for materials with high requirements on conveying pressure.
How to design a diaphragm delivery pump, how to satisfy the high pressure and carry the material demand, become the problem that needs to solve promptly.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a diaphragm transfer pump for solve the pneumatic diaphragm pump that exists among the prior art and receive the influence of drive mode, hardly reach very high conveying pressure, consequently not be fit for the problem to the material that conveying pressure required height.
In order to achieve the purpose, the utility model provides a diaphragm conveying pump, which comprises a first diaphragm pump head, wherein the first diaphragm pump head is connected with a supercharging device through a second diaphragm pump head, a diaphragm is arranged between the first diaphragm pump head and the second diaphragm pump head, one end of the first diaphragm pump head, which is close to the diaphragm, is provided with a diaphragm cavity, a first hydraulic cavity is arranged in the second diaphragm pump head, and one end of the supercharging device, which is connected with the second diaphragm pump head, is provided with a connecting piece;
by adopting the technical scheme: the connecting piece can be used for conveniently separating the pressurizing device from the second diaphragm pump head;
a second hydraulic cavity and a plunger cavity which are communicated with each other are arranged in the pressurizing device, the second hydraulic cavity is positioned at one end close to the connecting piece, the plunger cavity is positioned at one end far away from the connecting piece, a plunger is arranged in the plunger cavity, a hydraulic supplement interface is arranged at the upper part of the pressurizing device, the hydraulic supplement interface is positioned below the plunger cavity and is connected with a hydraulic supplement container, and the second hydraulic cavity is a pressurizing cavity;
the center of the end face at one side of the diaphragm is provided with a spring.
In an embodiment of the present invention, an outlet of the pump and an inlet of the pump are sequentially disposed from top to bottom at an end of the first diaphragm pump head away from the diaphragm, the outlet of the pump is provided with an outlet check valve, and the inlet of the pump is provided with an inlet check valve;
by adopting the technical scheme: the inlet and outlet of the pump are respectively provided with a one-way valve for controlling the flow direction of the liquid medicine, so that the liquid medicine is ensured to be fed in and discharged out, and the liquid medicine is sucked or discharged through the swinging of the diaphragm.
In an embodiment of the present invention, an air vent is disposed at the top of the second diaphragm pump head, the air vent is communicated with the first hydraulic chamber, and an air release valve is disposed on the air vent;
by adopting the technical scheme: the air release valve can exhaust air in the first hydraulic cavity.
In an embodiment of the present invention, the diaphragm is a whole body formed by laminating one or more diaphragms.
In an embodiment of the present invention, the diaphragm is made of teflon material on a side close to the diaphragm chamber.
In an embodiment of the present invention, the upper and lower sides of the hydraulic supplementary port are respectively provided with a sealing ring, wherein the sealing ring located below the hydraulic supplementary port is a first sealing ring, and the sealing ring located above the hydraulic supplementary port is a second sealing ring;
by adopting the technical scheme: the pressurizing cavity and the plunger are separated by a second sealing ring, so that pressurizing liquid cannot flow to one side of the plunger during pressurizing; when the plunger does not seal the first sealing ring, the pressurizing liquid can be automatically supplemented to the second hydraulic cavity.
In an embodiment of the present invention, the outlet of the second hydraulic chamber is connected to the second diaphragm pump head through a connecting member.
In an embodiment of the present invention, the upper portion of the second hydraulic chamber is provided with a plunger.
In an embodiment of the present invention, the plunger is a pneumatic piston structure or an electric push rod structure.
In an embodiment of the present invention, the inner cavity of the second diaphragm pump head is a stepped hole structure, the spring is installed in the first hydraulic cavity, and the spring is installed between the bottom surface of the large end of the stepped hole structure and the diaphragm;
by adopting the technical scheme: when the first hydraulic cavity is not pressurized, the diaphragm is pulled to the first hydraulic cavity through the pulling force, and liquid is ensured to be sucked into the diaphragm cavity.
As above, the utility model discloses a diaphragm delivery pump, rational in infrastructure, adopt the plunger to carry out the pressure boost to pressurized liquid, pressurized liquid after the pressure boost gives the diaphragm with pressure transmission, because there is certain proportional relation between the driving force of plunger and the pressure of plunger to pressurized liquid, the pressure that gives pressurized liquid is given just proportional improvement, has just so formed a supercharging device and has improved pressure to the pressure of giving the diaphragm has obtained the improvement, has realized high-pressure transported substance material, and popularization and application has good economic benefits and social.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a first diaphragm pump head; 2. a diaphragm chamber; 3. a diaphragm; 4. a spring; 5. a second diaphragm pump head; 6. a first hydraulic chamber; 7. a connecting member; 8. a pressure boosting device; 9. a second hydraulic chamber; 10. a first seal ring; 11. a hydraulic supplementary interface; 12. a second seal ring; 13. a hydraulic makeup vessel; 14. a plunger; 101. an outlet of the pump; 102. a pump inlet; 501. and (4) deflating the valve.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Embodiment one, as shown in fig. 1, the utility model provides a diaphragm transfer pump, including first diaphragm pump head 1, first diaphragm pump head 1 be connected with supercharging device 8 through second diaphragm pump head 5, be provided with diaphragm 3 between first diaphragm pump head 1 and the second diaphragm pump head 5, wherein be provided with diaphragm chamber 2 near the one end of diaphragm 3 in first diaphragm pump head 1, be provided with first hydraulic pressure chamber 6 in the second diaphragm pump head 5, the one end that supercharging device 8 and second diaphragm pump head 5 are connected is provided with connecting piece 7; by adopting the technical scheme: the connecting piece can be used for conveniently separating the pressurizing device from the second diaphragm pump head;
a second hydraulic cavity 9 and a plunger cavity which are communicated with each other are arranged in the pressurizing device 8, the second hydraulic cavity 9 is positioned at one end close to the connecting piece 7, the plunger cavity is positioned at one end far away from the connecting piece 7, a plunger 14 is arranged in the plunger cavity, a hydraulic supplement interface 11 is arranged at the upper part of the pressurizing device 8, the hydraulic supplement interface 11 is positioned below the plunger cavity and is connected with a hydraulic supplement container 13, and the second hydraulic cavity 9 is a pressurizing cavity;
a spring 4 is arranged in the center of the end face at one side of the diaphragm 3;
one end of the first diaphragm pump head 1, which is far away from the diaphragm 3, is sequentially provided with a pump outlet 101 and a pump inlet 102 from top to bottom, wherein the pump outlet 101 is provided with an outlet one-way valve, and the pump inlet 102 is provided with an inlet one-way valve; by adopting the technical scheme: the inlet and outlet of the pump are respectively provided with a one-way valve for controlling the flow direction of the liquid medicine, so that the liquid medicine is ensured to be fed in and discharged out, and the liquid medicine is sucked or discharged by the swinging of the diaphragm;
an air vent is arranged at the top of the second diaphragm pump head 5 and communicated with the first hydraulic chamber 6, and an air release valve 501 is arranged on the air vent; by adopting the technical scheme: the air release valve can discharge the gas in the first hydraulic cavity;
the diaphragm 3 is a whole body formed by attaching one or more diaphragms;
one side of the diaphragm 3 close to the diaphragm cavity 2 is made of Teflon;
the upper side and the lower side of the hydraulic supplement interface 11 are respectively provided with a sealing ring, wherein the sealing ring positioned below the hydraulic supplement interface 11 is a first sealing ring 10, and the sealing ring positioned above the hydraulic supplement interface 11 is a second sealing ring 12; by adopting the technical scheme: the pressurizing cavity and the plunger are separated by a second sealing ring, so that pressurizing liquid cannot flow to one side of the plunger during pressurizing; when the plunger does not seal the first sealing ring, the pressurizing liquid can be automatically supplemented to the second hydraulic cavity;
the outlet of the second hydraulic chamber 9 is connected with the second diaphragm pump head 5 through a connecting piece 7;
a plunger 14 is arranged at the upper part of the second hydraulic cavity 9;
the plunger 14 adopts a pneumatic piston structure or an electric push rod structure;
the inner cavity of the second diaphragm pump head 5 is of a stepped hole structure, the spring 4 is arranged in the first hydraulic cavity 6, and the spring 4 is arranged between the bottom surface of the large end of the stepped hole structure and the diaphragm 3; by adopting the technical scheme: when the first hydraulic cavity is not pressurized, the diaphragm is pulled to the first hydraulic cavity through the pulling force, and liquid is ensured to be sucked into the diaphragm cavity.
In specific implementation, the plunger 14 is selected from any one of a pneumatic plunger and an electric plunger.
The working principle is as follows: the plunger 14 is pressed down to seal the sealing ring, so that the pressurizing liquid is pressurized, then the pressure is transmitted to the diaphragm 3 to push the diaphragm 3, and the liquid in the diaphragm cavity 2 is discharged from the pump outlet 101; then the plunger 14 rebounds, the pressure in the pressurizing cavity is reduced, the diaphragm 3 rebounds, liquid is sucked into the diaphragm cavity 2 through the pump inlet 102, and then pressurization is carried out, so that liquid medicine pressurization and conveying can be realized in a reciprocating cycle.
In the second embodiment, the connecting member 7 is a valve, so that when the pressurizing device 8 is separated from the second diaphragm pump head 5, the valve can be closed, thereby preventing the liquid in the hydraulic chamber from flowing out.
The third embodiment differs from the first embodiment in that the spring 4 is mounted in the diaphragm chamber 2: when the first hydraulic chamber 6 is not pressurized, the diaphragm 3 is pushed towards the first hydraulic chamber 6 by the spring force, ensuring that liquid is sucked into the diaphragm chamber 2.
In the fourth embodiment, sterilization can be performed in the diaphragm chamber 2, and when steam sterilization is adopted, the sterilization can be performed by directly connecting steam, and at the moment, a valve arranged at the connecting piece 7 can be closed, so that the performance of the first sealing ring 10 and the second sealing ring 12 is prevented from being influenced by high temperature; alternatively, the valve at the connection 7 can be disconnected and the pump head assembly can be placed in an oven for heat sterilization and then assembled.
The fifth embodiment adopts two or more diaphragm pump heads which are connected in parallel to perform linkage work, wherein when one pressurizing device discharges liquid, the other plunger piston is reset to suck the liquid, so that uninterrupted liquid pressurization and conveying can be realized, and the pulse of pressurization and conveying is eliminated by controlling the working sequence among the diaphragm pump heads, so that the flow and the pressure are stable; the problem of prior art pneumatic type diaphragm pump if the linkage of double pump head when carrying, have great transport pulse, make the pressure and the flow of carrying unstable is solved.
And in the sixth embodiment, the stroke of the plunger 14 is adjusted and controlled, so that the quantitative output of the material is realized, and the quantitative filling pressurizing and metering device is used as a quantitative filling pressurizing and metering device.
To sum up, the utility model provides a diaphragm delivery pump, it is rational in infrastructure, adopt the plunger to carry out the pressure boost to pressurized liquid, pressurized liquid after the pressure boost gives the diaphragm with pressure transmission, because there is certain proportional relation between the driving force of plunger and the pressure of plunger to pressurized liquid, the pressure that gives pressurized liquid is given just proportional improvement, has just so formed a supercharging device and has improved pressure to the pressure of transmitting for the diaphragm has obtained the improvement, has realized high pressure transported substance material. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A diaphragm pump comprising a first diaphragm pump head (1), characterized in that: the first diaphragm pump head (1) is connected with a supercharging device (8) through a second diaphragm pump head (5), a diaphragm (3) is arranged between the first diaphragm pump head (1) and the second diaphragm pump head (5), a diaphragm cavity (2) is arranged at one end, close to the diaphragm (3), in the first diaphragm pump head (1), a first hydraulic cavity (6) is arranged in the second diaphragm pump head (5), and a connecting piece (7) is arranged at one end, connected with the second diaphragm pump head (5), of the supercharging device (8);
a second hydraulic cavity (9) and a plunger cavity which are communicated with each other are arranged in the pressurizing device (8), the second hydraulic cavity (9) is positioned at one end close to the connecting piece (7), the plunger cavity is positioned at one end far away from the connecting piece (7), a plunger (14) is arranged in the plunger cavity, a hydraulic supplement interface (11) is arranged at the upper part of the pressurizing device (8), the hydraulic supplement interface (11) is positioned below the plunger cavity and is connected with a hydraulic supplement container (13), and the second hydraulic cavity (9) is a pressurizing cavity;
the center of the end surface of one side of the diaphragm (3) is provided with a spring (4).
2. A diaphragm pump according to claim 1, wherein: one end of the first diaphragm pump head (1) far away from the diaphragm (3) is sequentially provided with a pump outlet (101) and a pump inlet (102) from top to bottom, the pump outlet (101) is provided with an outlet one-way valve, and the pump inlet (102) is provided with an inlet one-way valve.
3. A diaphragm pump according to claim 1, wherein: and an air vent is arranged at the top of the second diaphragm pump head (5), the air vent is communicated with the first hydraulic cavity (6), and an air release valve (501) is arranged on the air vent.
4. A diaphragm pump according to claim 1, wherein: the diaphragm (3) is a whole body formed by attaching one or more diaphragms.
5. A diaphragm pump according to claim 4, wherein: one side of the diaphragm (3) close to the diaphragm cavity (2) is made of Teflon.
6. A diaphragm pump according to claim 1, wherein: and the upper side and the lower side of the hydraulic supplement interface (11) are respectively provided with a sealing ring, wherein the sealing ring positioned below the hydraulic supplement interface (11) is a first sealing ring (10), and the sealing ring positioned above the hydraulic supplement interface (11) is a second sealing ring (12).
7. A diaphragm pump according to claim 1, wherein: and an outlet of the second hydraulic cavity (9) is connected with the second diaphragm pump head (5) through a connecting piece (7).
8. A diaphragm pump according to claim 7, wherein: and a plunger (14) is arranged at the upper part of the second hydraulic cavity (9).
9. A diaphragm pump according to claim 8, wherein: the plunger (14) adopts a pneumatic piston structure or an electric push rod structure.
10. A diaphragm pump according to claim 8, wherein: the inner cavity of the second diaphragm pump head (5) is of a stepped hole structure, the spring (4) is installed in the first hydraulic cavity (6), and the spring (4) is installed between the bottom surface of the large end of the stepped hole structure and the diaphragm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922055558.0U CN210949068U (en) | 2019-11-25 | 2019-11-25 | Diaphragm delivery pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922055558.0U CN210949068U (en) | 2019-11-25 | 2019-11-25 | Diaphragm delivery pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210949068U true CN210949068U (en) | 2020-07-07 |
Family
ID=71372941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922055558.0U Active CN210949068U (en) | 2019-11-25 | 2019-11-25 | Diaphragm delivery pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210949068U (en) |
-
2019
- 2019-11-25 CN CN201922055558.0U patent/CN210949068U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209293985U (en) | A kind of Pneumatic booster pump | |
| CN102678507A (en) | Double-acting hydraulic ejecting type vacuumizing and compressing device of double cylinders | |
| CN210949068U (en) | Diaphragm delivery pump | |
| CN216642415U (en) | Multicavity intercommunication booster-type bellows pump | |
| CN207533507U (en) | Encapsulating vacuum extractor | |
| CN215486510U (en) | Pneumatic high-pressure diaphragm pump | |
| CN202690386U (en) | Diaphragm pump | |
| CN115182863A (en) | Miniature plunger pump | |
| CN209586613U (en) | A kind of discharging device | |
| CN2614275Y (en) | Piston-type pump | |
| CN108591133B (en) | A kind of high-efficient pressurizing positive displacement pump based on gas-liquid conversion | |
| CN208950823U (en) | Prevent the pull rod diaphragm type hydraulic diaphragm pump of membrane ruptures | |
| CN210013806U (en) | Diaphragm pump suitable for high viscosity medium | |
| CN207715467U (en) | Large-diameter F.F. goes out device and filter press soon | |
| CN102678518A (en) | Engine supercharging system | |
| CN202732268U (en) | Vacuumizing and compressing device of double-acting hydraulic injection type double air cylinder | |
| CN213627888U (en) | Reciprocating pump | |
| CN212615280U (en) | Pressurized gas booster pump | |
| CN212563904U (en) | Energy-saving pneumatic hydraulic device | |
| CN201142894Y (en) | Novel agricultural pesticide sprayer | |
| CN209838614U (en) | Alcohol pump | |
| CN213825627U (en) | Continuous feeding device | |
| CN208397021U (en) | A kind of efficient low-resistance gas-liquid conversion plenum volume pump | |
| CN2509358Y (en) | Pressure buffer | |
| CN201666236U (en) | High viscosity pneumatic plunger pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |