CN218151283U - Pneumatic electro-hydraulic pump - Google Patents
Pneumatic electro-hydraulic pump Download PDFInfo
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- CN218151283U CN218151283U CN202222694293.0U CN202222694293U CN218151283U CN 218151283 U CN218151283 U CN 218151283U CN 202222694293 U CN202222694293 U CN 202222694293U CN 218151283 U CN218151283 U CN 218151283U
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Abstract
The utility model provides a pneumatic electricity liquid pump, include: the pump body, one end of the pump body along self length direction has two valve bodies, wherein one valve body locates at the top of the pump body, another valve body locates at the bottom of the pump body; the reciprocating motion assembly is arranged in the cavity of the pump body along the length direction of the pump body, one end of the reciprocating motion assembly along the length direction of the pump body is abutted against the two valve bodies so as to simultaneously extrude springs in the two valve bodies, and the other end of the reciprocating motion assembly along the length direction of the pump body is provided with a transmission piston so as to divide the cavity of the pump body into a left cavity and a right cavity; the two air inlet valves are arranged at the other end of the pump body along the length direction of the pump body and are positioned at the top end of the pump body, one air inlet valve is communicated with the left cavity, and the other air inlet valve is communicated with the right cavity; and the two speed control assemblies are respectively arranged at the joint of the corresponding air inlet valve and the pump body. Beneficial effects are that the utility model discloses a set up speed control subassembly and control the admission valve and let in gaseous speed, and then accurate control liquid output.
Description
Technical Field
The utility model relates to a technical field of electric liquid pump particularly, relates to a pneumatic electric liquid pump.
Background
The basic principle of the pneumatic electrohydraulic pump is that manual work is replaced by driving of a cylinder, reciprocating motion components are driven to reciprocate by inputting gas into a pump body, output of liquid is achieved, human resources can be greatly saved, and the pneumatic electrohydraulic pump gradually becomes an important appliance in the manufacturing industry.
SUMMERY OF THE UTILITY MODEL
The utility model discloses what solve is the problem of the gaseous input speed of the pneumatic electrokinetic liquid pump of accurate control with accurate control liquid output volume.
In order to solve the above problem, the utility model provides a pneumatic electricity liquid pump, include:
the pump body is provided with two valve bodies at one end along the length direction of the pump body, and one ends of the two valve bodies facing the pump body penetrate through a cavity of the pump body, wherein one valve body is positioned at the top end of the pump body, and the other valve body is positioned at the bottom end of the pump body;
the reciprocating motion assembly is arranged in the cavity of the pump body along the length direction of the pump body, one end of the reciprocating motion assembly along the length direction of the pump body is abutted against the two valve bodies simultaneously to extrude springs in the two valve bodies simultaneously, the other end of the reciprocating motion assembly along the length direction of the pump body is a transmission piston, and the transmission piston is matched with the cross section of the cavity of the pump body in size so as to divide the cavity of the pump body into a left cavity and a right cavity;
the two air inlet valves are arranged at the other end of the pump body along the length direction of the pump body and are positioned at the top end of the pump body, one air inlet valve is communicated with the left cavity, and the other air inlet valve is communicated with the right cavity, so that an operator can introduce gas into the left cavity through one air inlet valve to drive the transmission piston to move towards the right cavity, and the springs in the two valve bodies are simultaneously reset to control the two valve bodies to be opened; or
The operator can introduce gas into the right cavity through the other air inlet valve to drive the transmission piston to move towards the left cavity, so that the springs in the two valve bodies are simultaneously extruded to control the two valve bodies to be closed;
and the two speed control components are respectively arranged at the corresponding joints of the air inlet valve and the pump body so as to control the corresponding speed of the air inlet valve for introducing the gas.
In this scheme, consider that current pneumatic electrohydraulic pump usually can be with one of them the liquid storage device is connected to the valve body, with another the valve body is connected the transfer line, and whether export as the main purpose with control liquid, promptly through control whether input gas extremely control in the cavity of the pump body whether the reciprocating motion subassembly moves, and then whether the liquid in the control liquid storage device exports to the transfer line, but can only realize simple liquid output control, can't carry out the accurate control to liquid output, be not suitable for the scene that needs accurate control liquid output, consequently, in this scheme, set up one respectively at two admission valve with the junction of the pump body the speed control subassembly, for operating personnel carries out the accurate control to two admission speed of admission valve, and then realizes the accurate control to reciprocating motion subassembly moving speed, and then realizes the accurate control to liquid output, can effectively improve the utilization ratio of liquid in the liquid storage device.
Furthermore, the transmission piston divides the cavity in the pump body into the left cavity and the right cavity, the rest spaces are filled with sealing gaskets to ensure the sealing property, and the left cavity and the right cavity are separately communicated with the corresponding air inlet valves, so that the operator can conveniently and accurately control the gas speed of the air inlet valves introduced into the left cavity and the right cavity.
Preferably, each speed control assembly is respectively in communication connection with an external upper computer, so that the operator can output a control signal to the corresponding speed control assembly through the upper computer to adjust the speed of the gas introduced into the gas inlet valve.
In this scheme, operating personnel can pass through the host computer is long-range right speed control subassembly is controlled, with convenient adjustment the admission valve lets in gaseous speed, it is very convenient.
Preferably, the reciprocating assembly comprises:
one end of the first plunger along the length direction of the first plunger is respectively abutted with the two valve bodies;
one end of the second plunger is fixedly connected with the other end of the first plunger along the length direction of the second plunger, and the diameter of the second plunger is smaller than that of the first plunger;
the driving shaft is sleeved outside the second plunger and wraps the other end of the second plunger;
and one end of the third plunger is fixedly connected with one end of the driving shaft, which is back to the first plunger, and the other end of the third plunger is fixedly connected with the transmission piston.
Preferably, the first plunger, the third plunger and the peripheral wall of the transmission piston are respectively sleeved with a plurality of sealing rings.
In this scheme, establish through the cover the sealing washer is in first plunger the third plunger with in order to increase on the periphery wall of transmission piston the leakproofness of cavity in the pump body, and then improve the control accuracy of liquid outflow.
Preferably, two the valve body is the check valve, is located the pump body top the direction of switching on of check valve is from the inside to the outside of the pump body, is located the direction of switching on of check valve of pump body bottom is from the outside to the inside of the pump body.
In this scheme, adopt the check valve conduct the valve body is in order to avoid liquid backward flow.
Preferably, the two intake valves are arranged at the top end of the pump body along the width direction of the pump body, and valve ports of the two intake valves are back to any one valve body.
Preferably, the valve body located at the bottom end of the pump body is connected with a liquid storage tank, the valve body located at the top end of the pump body is connected with a nozzle, so that when the reciprocating motion assembly moves towards the right cavity, liquid in the liquid storage tank is transmitted to the nozzle through the two valve bodies in sequence to be sprayed.
Drawings
Fig. 1 is a schematic sectional structure of the present invention;
fig. 2 is a schematic top view of the present invention;
description of reference numerals: 1. a pump body; 2. a valve body; 3. a reciprocating motion assembly; 31. a transmission piston; 32. a first plunger; 33. a second plunger; 34. a drive shaft; 35. a third plunger; 4. a left cavity; 5. a right cavity; 6. an intake valve; 7. a speed control assembly; 8. a seal ring; 9. a liquid storage tank; 10. and (4) a nozzle.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In the preferred embodiment of the present invention, based on the above problems existing in the prior art, there is now provided a pneumatic electro-hydraulic pump, as shown in fig. 1 and 2, including:
the pump comprises a pump body 1, wherein one end of the pump body 1 along the length direction is provided with two valve bodies 2, one end of each valve body 2, facing the pump body 1, penetrates through a cavity of the pump body 1, one valve body 2 is positioned at the top end of the pump body 1, and the other valve body 2 is positioned at the bottom end of the pump body 1;
the reciprocating motion assembly 3 is arranged in the cavity of the pump body 1 along the length direction of the pump body 1, one end of the reciprocating motion assembly 3 along the length direction of the pump body 1 is abutted to the two valve bodies 2 simultaneously to extrude springs in the two valve bodies 2 simultaneously, the other end of the reciprocating motion assembly 3 along the length direction of the pump body 1 is a transmission piston 31, and the transmission piston 31 is matched with the cross section of the cavity of the pump body 1 in size so as to divide the cavity of the pump body 1 into a left cavity 4 and a right cavity 5;
the two air inlet valves 6 are arranged at the other end of the pump body 1 along the length direction of the pump body 1 and are positioned at the top end of the pump body 1, one air inlet valve 6 is communicated with the left cavity 4, the other air inlet valve 6 is communicated with the right cavity 5, so that an operator can introduce air into the left cavity 4 through one air inlet valve 6 to drive the transmission piston 31 to move towards the right cavity 5, and the springs in the two valve bodies 2 are reset at the same time to control the two valve bodies 2 to be opened; or
An operator can introduce gas into the right cavity 5 through the other gas inlet valve 6 to drive the transmission piston 31 to move towards the left cavity 4, so that the springs in the two valve bodies 2 are simultaneously extruded to control the two valve bodies 2 to close;
and the two speed control assemblies 7 are respectively arranged at the connecting parts of the corresponding air inlet valves 6 and the pump body 1 so as to control the speed of introducing air into the corresponding air inlet valves 6.
Specifically, in this embodiment, it is considered that an existing pneumatic electrohydraulic pump generally connects one of the valve bodies 2 to the liquid storage device, connects the other valve body 2 to the infusion tube, and whether to output the liquid is controlled as a main purpose, that is, whether to input the gas into the cavity of the pump body 1 to control whether the reciprocating motion assembly 3 moves, and then whether to output the liquid in the liquid storage device to the infusion tube is controlled, but only simple liquid output control can be achieved, and the liquid output cannot be accurately controlled, which is not suitable for a scene requiring accurate control of the liquid output.
Preferably, the transmission piston 31 divides the cavity in the pump body 1 into a left cavity 4 and a right cavity 5, the rest spaces are filled with sealing gaskets to ensure the sealing performance, and the left cavity 4 and the right cavity 5 are separately communicated with the corresponding air inlet valves 6, so that an operator can conveniently and accurately control the gas speed of the air inlet valves 6 entering the left cavity 4 and the right cavity 5.
Preferably, fully guarantee the headspace of left cavity 4 and right cavity 5 for gaseous volume of remaining is great when admission valve 6 lets in gas to left cavity 4 and right cavity 5, and is also better to transmission piston 31's promotion effect.
Preferably, the transmission piston 31 and the pump body 1 have the same cavity cross section size to ensure the air tightness of the left cavity 4 and the right cavity 5, and avoid the phenomenon of gas channeling.
Preferably, in general, when the liquid flows from the valve body 2 at the bottom end of the pump body 1 to the valve body 2 at the top end of the pump body 1, the flow rate of the liquid is substantially stable, so that the flow time of the liquid, that is, the conduction time of the two valve bodies 2, can be accurately controlled, and the flow time of the liquid, that is, the conduction time of the two valve bodies 2, can be accurately controlled, so long as the moving speed of the reciprocating motion assembly 3 is accurately controlled, so as to accurately control the time node at which the reciprocating motion assembly 3 abuts against the two valve bodies 2, and further control the conduction time of the two valve bodies 2.
Preferably, a solenoid valve is provided in the speed control assembly 7, and the opening of the air inlet valve 6 is controlled by the solenoid valve to control the gas inflow speed.
Preferably, the spring sets up in the one end of two valve bodies 2 orientation reciprocating motion subassembly 3 for reciprocating motion subassembly 3 extrudees two valve bodies 2 of spring control and closes simultaneously when moving left, and makes two valve bodies 2 of spring reset control open simultaneously when moving right at reciprocating motion subassembly 3, and the control means is simple high-efficient.
The utility model discloses an in the preferred embodiment, each speed control subassembly 7 respectively with an outside host computer communication connection to supply operating personnel to adjust the speed that corresponding admission valve 6 let in gas through host computer output control signal to corresponding speed control subassembly 7.
Specifically, in this embodiment, operating personnel can control speed control subassembly 3 through the host computer is long-range to the speed that convenient adjustment admission valve 6 let in gas, it is very convenient.
In a preferred embodiment of the present invention, the reciprocating assembly 3 comprises:
a first plunger 32, one end of the first plunger 32 along the length direction thereof is respectively abutted with the two valve bodies 2;
one end of the second plunger 33 is fixedly connected with the other end of the first plunger 32 along the length direction of the second plunger 33, and the diameter of the second plunger 33 is smaller than that of the first plunger 32;
a driving shaft 34 sleeved outside the second plunger 33 and wrapping the other end of the second plunger 33;
and one end of the third plunger 35 is fixedly connected with one end of the driving shaft 34, which is back to the first plunger 32, and the other end of the third plunger 35 is fixedly connected with the transmission piston 31.
In the preferred embodiment of the present invention, the outer peripheral walls of the first plunger 32, the third plunger 35 and the transmission piston 31 are respectively sleeved with a plurality of sealing rings 8.
Specifically, in this embodiment, the sealing rings 8 are sleeved on the outer peripheral walls of the first plunger 32, the third plunger 35 and the transmission piston 31 to increase the sealing performance of the cavity in the pump body 1, so as to improve the control accuracy of the liquid outflow.
Preferably, the sealing ring 8 is an O-ring.
The utility model discloses an in the embodiment of preferred, two valve bodies 2 are the check valve, and the direction that switches on of the check valve that is located the pump body 1 top is from the inside to the outside of the pump body 1, and the direction that switches on of the check valve that is located the pump body 1 bottom is from the outside to the inside of the pump body 1.
Specifically, in the present embodiment, a check valve is employed as the valve body 2 to avoid the backflow of the liquid.
In the preferred embodiment of the present invention, the two intake valves 6 are disposed on the top of the pump body 1 along the width direction of the pump body 1, and the valve ports of the two intake valves 6 are all back to any valve body 2.
In the preferred embodiment of the present invention, the valve body 2 located at the bottom end of the pump body 1 is connected to a liquid storage tank 9, and the valve body 2 located at the top end of the pump body 1 is connected to a nozzle 10, so that when the reciprocating motion assembly 3 moves toward the right cavity 5, the liquid in the liquid storage tank 9 sequentially passes through the two valve bodies 2 and is transmitted to the nozzle 10 for spraying.
Specifically, in this embodiment, adopt the PE pipe to connect between valve body 2 and the liquid storage pot 9, and connect fixedly through ferrule and pipe nut, can the limited stability of guaranteeing to connect, the junction between valve body 2 and the liquid storage pot 9 also is equipped with sealing washer 8 in order to increase the leakproofness simultaneously, avoids liquid to reveal.
Preferably, the valve body 2 and the nozzle 10 are connected by a PE pipe, and are also connected and fixed by a pipe hoop and a pipe nut.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.
Claims (7)
1. A pneumatic electro-hydraulic pump, comprising:
the pump comprises a pump body (1), wherein one end of the pump body (1) along the length direction of the pump body is provided with two valve bodies (2), one end, facing the pump body (1), of each valve body (2) penetrates through a cavity of the pump body (1), one valve body (2) is located at the top end of the pump body (1), and the other valve body (2) is located at the bottom end of the pump body (1);
the reciprocating motion assembly (3) is arranged in the cavity of the pump body (1) along the length direction of the pump body (1), one end of the reciprocating motion assembly (3) along the length direction of the pump body (1) is abutted to the two valve bodies (2) simultaneously to extrude springs in the two valve bodies (2) simultaneously, the other end of the reciprocating motion assembly (3) along the length direction of the pump body (1) is a transmission piston (31), and the transmission piston (31) is matched with the cross section of the cavity of the pump body (1) in size so as to divide the cavity of the pump body (1) into a left cavity (4) and a right cavity (5);
the two air inlet valves (6) are arranged at the other end of the pump body (1) along the length direction of the pump body and are located at the top end of the pump body (1), one of the air inlet valves (6) is communicated with the left cavity (4), the other air inlet valve (6) is communicated with the right cavity (5) so that an operator can introduce air into the left cavity (4) through one of the air inlet valves (6) to drive the transmission piston (31) to move towards the right cavity (5), and the springs in the two valve bodies (2) are enabled to reset simultaneously to control the two valve bodies (2) to be opened; or
The operator can introduce gas into the right cavity (5) through the other air inlet valve (6) to drive the transmission piston (31) to move towards the left cavity (4), so that the springs in the two valve bodies (2) are simultaneously extruded to control the two valve bodies (2) to be closed;
and the two speed control assemblies (7) are respectively arranged at the corresponding joints of the air inlet valve (6) and the pump body (1) so as to control the speed of the air introduced into the air inlet valve (6).
2. The pneumatic electro-hydraulic pump according to claim 1, wherein each speed control assembly (7) is in communication connection with an external upper computer, so that the operator can output a control signal to the corresponding speed control assembly (7) through the upper computer to adjust the speed of the gas introduced into the corresponding gas inlet valve (6).
3. Electro-pneumatic-hydraulic pump according to claim 1, characterized in that said reciprocating assembly (3) comprises:
a first plunger (32), wherein one end of the first plunger (32) along the length direction of the first plunger is respectively abutted with the two valve bodies (2);
one end of the second plunger (33) is fixedly connected with the other end of the first plunger (32) along the length direction of the second plunger (33), and the diameter of the second plunger (33) is smaller than that of the first plunger (32);
the driving shaft (34) is sleeved outside the second plunger (33) and wraps the other end of the second plunger (33);
and one end of the third plunger (35) is fixedly connected with one end, back to the first plunger (32), of the driving shaft (34), and the other end of the third plunger (35) is fixedly connected with the transmission piston (31).
4. A pneumatic electrohydraulic pump according to claim 3, characterized in that said first plunger (32), said third plunger (35) and said drive piston (31) are respectively sleeved with a plurality of sealing rings (8) on their peripheral walls.
5. The pneumatic electrohydraulic pump according to claim 1, wherein both of the valve bodies (2) are check valves, a conduction direction of the check valve at the top end of the pump body (1) is from the inside to the outside of the pump body (1), and a conduction direction of the check valve at the bottom end of the pump body (1) is from the outside to the inside of the pump body (1).
6. The pneumatic electrohydraulic pump according to claim 1, wherein the two intake valves (6) are arranged at the top end of the pump body (1) along the width direction of the pump body (1), and the valve ports of the two intake valves (6) are opposite to any one valve body (2).
7. The pneumatic electrohydraulic pump according to claim 1, characterized in that the valve body (2) at the bottom end of the pump body (1) is connected with a liquid storage tank (9), and the valve body (2) at the top end of the pump body (1) is connected with a nozzle (10), so that when the reciprocating motion assembly (3) moves towards the right cavity (5), liquid in the liquid storage tank (9) is sequentially transmitted to the nozzle (10) through the two valve bodies (2) for spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222694293.0U CN218151283U (en) | 2022-10-13 | 2022-10-13 | Pneumatic electro-hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222694293.0U CN218151283U (en) | 2022-10-13 | 2022-10-13 | Pneumatic electro-hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218151283U true CN218151283U (en) | 2022-12-27 |
Family
ID=84566089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222694293.0U Active CN218151283U (en) | 2022-10-13 | 2022-10-13 | Pneumatic electro-hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218151283U (en) |
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2022
- 2022-10-13 CN CN202222694293.0U patent/CN218151283U/en active Active
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