CN217462730U - Gas-liquid conversion pump - Google Patents

Gas-liquid conversion pump Download PDF

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Publication number
CN217462730U
CN217462730U CN202221587296.8U CN202221587296U CN217462730U CN 217462730 U CN217462730 U CN 217462730U CN 202221587296 U CN202221587296 U CN 202221587296U CN 217462730 U CN217462730 U CN 217462730U
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CN
China
Prior art keywords
cylinder body
gas
liquid conversion
hydraulic
conversion pump
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CN202221587296.8U
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Chinese (zh)
Inventor
龙景灶
赵开才
杨绪军
李伟
宋大为
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Guizhou Aerospace Wujiang Electro Mechanical Equipment Co Ltd
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Guizhou Aerospace Wujiang Electro Mechanical Equipment Co Ltd
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Abstract

The utility model discloses a gas-liquid conversion pump, including the cylinder body, the cylinder body top is equipped with the apron, and the inside piston that is equipped with of cylinder body, apron middle part are equipped with the through-hole, are connected with the air supply on the through-hole and connect, and the cylinder body lower extreme is equipped with the hydraulic oil export, and the hydraulic oil exit is connected with hydraulic hose and connects, is equipped with the spring between piston and the cylinder body bottom. Compared with a pure pneumatic mechanism, the utility model has the advantages that the gas-liquid conversion pump can overcome the defects of large pneumatic cylinder and limited installation position; compared with a pure hydraulic mechanism, the gas-liquid conversion pump does not need an expensive hydraulic station and a complex control valve bank; the structure is simple, the hydraulic oil is in the closed cavity, and the pollution from the outside and the oxidation caused by the contact with the air are avoided. The heat generated in the using process is small, and the device is suitable for the environment with a compressed air source; the hydraulic station has low manufacturing cost and stable work, and can replace a hydraulic station with high manufacturing cost.

Description

Gas-liquid conversion pump
Technical Field
The utility model belongs to the technical field of the gas-liquid transmission, concretely relates to gas-liquid conversion equipment.
Background
When the actuating element is adopted to control the action of the oil cylinder, the hydraulic station is required to be configured, but the cost of the hydraulic station is high, the cost is not very favorable for controlling equipment with a single actuating action of a movement mechanism, and the hydraulic oil leakage phenomenon is caused by the fact that a control valve group is commonly used in a hydraulic pipeline. When the actuating element is adopted to control the action of the cylinder, the pressure of a compressed air source of a factory is 0.3MPa-0.8MPa, when the piston diameter of a smaller cylinder is adopted to control, the thrust is smaller, and the thrust requirement of equipment can not be met. Therefore, a gas-liquid conversion pump is provided to replace a high-price hydraulic station so as to meet the use requirement.
Disclosure of Invention
In order to solve the above problems, the present invention provides a gas-liquid conversion pump.
The utility model provides a gas-liquid conversion pump, comprising a cylinder body, the cylinder body top is equipped with the apron, be equipped with connection baffle on the apron, be connected with the screw between connection baffle and the cylinder body, the confined die cavity is constituteed to cylinder body and apron, the inside piston that is equipped with of cylinder body, the apron middle part is equipped with the through-hole, be connected with the air supply on the through-hole and connect, can let in compressed air in to the cylinder body through the air supply joint, the cylinder body lower extreme is equipped with the hydraulic oil export, the hydraulic oil exit is connected with hydraulic hose and connects, the piston is with the hydraulic oil and the compressed air separation of die cavity, it comes the piston motion to let in compressed air in to the cylinder body through the air supply joint, in order to realize that hydraulic oil exports to executive component, be equipped with the spring between piston and the cylinder body bottom.
In order to avoid collision between the piston and the cover plate in the resetting process, the bottom of the cover plate is provided with a shock pad; in order to ensure the reliability of sealing, 1-2 grooves are formed in the surface, in contact with the cylinder body, of the cover plate, a first sealing ring is arranged in each groove, 1-2 grooves are formed in the surface, in contact with the cylinder body, of the piston, a second sealing ring is arranged in each groove, and the number of the first sealing rings and the second sealing rings is preferably two.
In order to make the gas-liquid conversion pump better exert the function, the diameter D of the piston in the cylinder body 6 must be larger than the diameter D of the piston of the oil cylinder 18, and D is usually more than or equal to 5D. This ensures that the pressure generated by the cylinder 18 is sufficiently high.
The utility model discloses gas-liquid conversion pump, compared with the prior art, its beneficial effect lies in: 1. compared with a pure pneumatic mechanism, the utility model has the advantages that the gas-liquid conversion pump can overcome the defects of large pneumatic cylinder and limited installation position; compared with a pure hydraulic mechanism, the gas-liquid conversion pump does not need an expensive hydraulic station and a complex control valve bank; 2. the utility model discloses simple structure, hydraulic oil are in airtight cavity, have avoided external pollution and have contacted with the air and produce the oxidation. The heat generated in the using process is small, and the device is suitable for the environment with a compressed air source; 3. the utility model discloses low in manufacturing cost, work is steady, can replace the high hydraulic pressure station of cost.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a gas-liquid transfer pump of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a diagram showing a state of the gas-liquid conversion pump of the present invention;
FIG. 4 is a schematic view of the gas-liquid conversion pump of the present invention starting when it is connected to other accessories;
fig. 5 is a schematic diagram of the gas-liquid conversion pump of the present invention ending when it is connected to other accessories.
Shown in the figure, 1 is an air source joint, 2 is a cover plate, 3 is a shock pad, 4 is a piston, 5 is hydraulic oil and 6 is a cylinder body
7-spring, 8-hydraulic hose joint, 9-sealing ring I, 10-sealing ring II, 11-air source triple piece electromagnetic valve, 12-one-way throttle valve I, 13-normally open two-position three-way electromagnetic valve, 14-muffler, 15-straight electromagnetic valve, 16-one-way throttle valve II, 17-hydraulic hose and 18-oil cylinder.
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.
It should be understood that the structure, proportion, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by the people skilled in the art, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial technical significance, and the modification of any structure, the change of the proportion relation or the adjustment of the size should still fall within the scope which can be covered by the technical content disclosed in the present invention without affecting the efficacy which can be generated by the present invention and the purpose which can be achieved by the present invention. Meanwhile, the terms such as "upper", "lower", "inner" and the like 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 considered as the scope of the present invention without substantial changes in the technical content.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "provided" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1 and 2, a gas-liquid conversion pump, including cylinder body 6, cylinder body 6 is cylindrical, 6 tops of cylinder body are equipped with apron 2, be equipped with link baffle on the apron 2, be connected with the screw between link baffle and the cylinder body 6, cylinder body 6 and apron 2 constitute confined die cavity, 6 inside pistons 4 that are equipped with of cylinder body, 2 middle parts of apron are equipped with the through-hole, be connected with air supply joint 1 on the through-hole, can let in compressed air in to cylinder body 6 through air supply joint 1, 6 lower extremes of cylinder body are equipped with the hydraulic oil export, hydraulic oil exit is connected with hydraulic hose and connects 8, piston 4 separates hydraulic oil 5 and the compressed air in the die cavity, it comes piston 4 to move to let in compressed air in to cylinder body 6 through air supply joint 1, in order to realize hydraulic oil 5 to the output of executive component, be equipped with spring 7 between piston 4 and the 6 bottom of the body.
In order to avoid collision between the piston 4 and the cover plate 2 in the resetting process, the bottom of the cover plate 2 is provided with a shock pad 3; in order to ensure the sealing reliability, 2 grooves are formed in the contact surface of the cover plate 2 and the cylinder body 6, first sealing rings 9 are arranged in the grooves, 2 grooves are formed in the contact surface of the piston 4 and the cylinder body 6, and second sealing rings 10 are arranged in the grooves.
The utility model discloses a realize through following mode: before use, after an air source triple part electromagnetic valve 11, a one-way throttle valve I12, a normally open two-position three-way electromagnetic valve 13 and a silencer 14 are sequentially connected, the normally open two-position three-way electromagnetic valve 13 is connected with an air source connector 1, hydraulic oil 5 is injected into a cylinder body 6, a hydraulic hose connector 8 is sequentially connected with a one-way throttle valve I16, a hydraulic hose 17 and an oil cylinder 18, and the one-way throttle valve I16 is connected with a straight-through electromagnetic valve 15 in parallel.
When the hydraulic cylinder rod stretching device is used, compressed air is filtered and pressure is adjusted through the air source triple-linkage electromagnetic valve 11, then the compressed air is conveyed to the one-way throttle valve I12 and the normally-open two-position three-way electromagnetic valve 13, finally the compressed air enters the upper cavity of the cylinder body 6, the piston 4 slides downwards along with the increase of the air pressure of the upper cavity, hydraulic oil 5 is pressed into the oil cylinder 18 through the hydraulic hose connector 8, the one-way throttle valve I16 and the hydraulic hose 17, and therefore the oil cylinder rod of the oil cylinder 18 stretches out to achieve the action of the oil cylinder rod, and the action is shown in fig. 5. In this process, the rate of cylinder rod extension may be adjusted by adjusting one-way throttle valve one 12 and one-way throttle valve two 16. When the oil cylinder rod reaches a set length, the normally open two-position three-way electromagnetic valve 13 is switched in direction, namely, the normally open two-position three-way electromagnetic valve 13 is communicated with the normally open two-position three-way electromagnetic valve 13A and B, so that compressed air in the cylinder body 6 can be released, hydraulic oil 5 in the oil cylinder 18 cannot form backflow under the combined action of the normally closed state of the one-way throttle valve II 16 and the normally closed state of the through electromagnetic valve 15, so that the oil cylinder 18 is kept in an instant state, when the oil cylinder rod needs to be reset, the through electromagnetic valve 15 is communicated, the oil cylinder 18 and the cylinder body 6 form a loop, and the hydraulic oil 5 flows back into the cylinder body 6 under the action of the spring 7, so that the oil cylinder rod is reset, as shown in fig. 4.
In order to make the gas-liquid conversion pump better perform its function, the diameter D of the piston in the cylinder 6 must be larger than the diameter D of the piston in the oil cylinder 18, and D is usually not less than 5D. This ensures that the pressure generated by the cylinder 18 is sufficiently high.
Such as: the diameter D of the cylinder piston is 250mm, the diameter D of the cylinder piston is 50mm, the pressure of compressed air is 0.5MPa, the acting force 490N of a return spring is assumed at the moment, and the pressure in the cylinder is as follows under the condition of not counting the influence of the loss and the liquid level in the transmission process:
P oil =(π(D/2) 2 ×0.5-490)/(π(d/2) 2 )=12.25(MPa)
In order to ensure that the response speed of the gas-liquid conversion pump is high, the diameter D of the piston of the gas-liquid conversion pump is 200mm-300mm, and the stroke H of the piston is 200mm-350 mm.
In order to ensure that the gas-liquid conversion pump can be well implemented, the volume V = Pi H (D/2) of the discharged hydraulic oil 2 Must be larger than the consumption of the oil cylinder and the pipeline.
Other parts of the utility model which are not detailed are the conventional technologies known by the technicians in the field.
The protection scope of the present invention is not limited to the technical solution disclosed in the specific embodiment, and all the modifications, equivalent replacements, improvements, etc. made by the technical entity of the present invention to the above embodiments all fall into the protection scope of the present invention.

Claims (6)

1. The utility model provides a gas-liquid conversion pump, includes the cylinder body, its characterized in that: the hydraulic cylinder is characterized in that a cover plate is arranged at the top of the cylinder body, a piston is arranged inside the cylinder body, a through hole is formed in the middle of the cover plate, an air source connector is connected to the through hole, a hydraulic oil outlet is formed in the lower end of the cylinder body, a hydraulic hose connector is connected to the hydraulic oil outlet, and a spring is arranged between the piston and the bottom of the cylinder body.
2. The gas-liquid conversion pump according to claim 1, wherein: and the bottom of the cover plate is provided with a shock pad.
3. The gas-liquid conversion pump according to claim 1, wherein: the surface of the cover plate, which is in contact with the cylinder body, is provided with 1-2 grooves, and the first sealing ring is arranged in each groove.
4. The gas-liquid conversion pump according to claim 3, wherein: and the contact surface of the piston and the cylinder body is provided with 1-2 grooves, and the grooves are internally provided with a second sealing ring.
5. The gas-liquid conversion pump according to claim 4, wherein: the number of the first sealing rings and the number of the second sealing rings are two.
6. The gas-liquid conversion pump according to claim 1, wherein: the cover plate is provided with a connecting baffle plate, and a screw is connected between the connecting baffle plate and the cylinder body.
CN202221587296.8U 2022-06-24 2022-06-24 Gas-liquid conversion pump Active CN217462730U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221587296.8U CN217462730U (en) 2022-06-24 2022-06-24 Gas-liquid conversion pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221587296.8U CN217462730U (en) 2022-06-24 2022-06-24 Gas-liquid conversion pump

Publications (1)

Publication Number Publication Date
CN217462730U true CN217462730U (en) 2022-09-20

Family

ID=83238947

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221587296.8U Active CN217462730U (en) 2022-06-24 2022-06-24 Gas-liquid conversion pump

Country Status (1)

Country Link
CN (1) CN217462730U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A gas-liquid conversion pump

Granted publication date: 20220920

Pledgee: China Construction Bank Corporation Zunyi branch

Pledgor: GUIZHOU AEROSPACE WUJIANG MACHINERY & ELECTRICITY EQUIPMENT Co.,Ltd.

Registration number: Y2024520000025