Liquid impact prevention cylinder head of ionic liquid seal compression cylinder

Abstract

The utility model relates to the technical field of ionic liquid cylinders, in particular to a liquid impact prevention cylinder head of an ionic liquid seal compression cylinder. Comprising a cylinder head body, an air inlet channel and an exhaust channel are arranged in the cylinder head body, an air inlet one-way valve is arranged in the air inlet channel, an exhaust one-way valve is arranged in the exhaust channel, a communication channel is arranged between the air inlet channel and the exhaust channel, a liquid impact prevention valve is installed in the communication channel, and a labyrinth channel is arranged in the liquid impact prevention valve; a liquid adding channel is further arranged in the cylinder head body and communicated with the communicating channel, and a liquid adding connector and a switch valve are installed on the outer side of the liquid adding channel. The labyrinth channel can block the ionic liquid to prevent the ionic liquid from directly entering and exiting, so that the impact force of the ionic liquid is weakened, the impact of the ionic liquid on the air inlet one-way valve and the exhaust one-way valve is reduced, and the service life is ensured; in addition, through the liquid adding connector and the switch valve on the cylinder head body, ionic liquid can be added into the air cylinder through the liquid adding channel and the liquid impact prevention valve, and the overall structure is more compact.

Description

TECHNICAL FIELD

[0001] The utility model relates to ion liquid gas cylinder technical field especially relates to a kind of anti-liquid impact cylinder head of ion liquid seal compression cylinder. BACKGROUND

[0002] At present, ion liquid seal compression cylinder is the new-type equipment for the gas pressurization, its structure is as patent application with the publication number CN116044712A, discloses a kind of ionic liquid compressor, by injecting ion liquid in the compression cavity of cylinder, realize the cooling lubrication of piston and the sealing effect of promotion between piston and cylinder. However, in actual working process, when piston goes up, due to the gas pressure in compression cavity is very big, part of ion liquid in compression cavity will be impacted with the inlet one-way valve and exhaust one-way valve in cylinder head by gas, the impact force of liquid to gas valve is far greater than gas, when working for a long time, it can cause inlet one-way valve and exhaust one-way valve damage, affect the service life of inlet one-way valve and exhaust one-way valve, there is no good solution at present.

[0003] In summary, the impact problem of ion liquid to inlet one-way valve and exhaust one-way valve in ion liquid gas cylinder has become a technical problem that needs to be solved in the industry. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of anti-liquid impact cylinder head of ion liquid seal compression cylinder to make up for the deficiency of prior art, solve the problem that previous ion liquid can be impacted with high-pressure gas to inlet one-way valve and exhaust one-way valve, affect the service life of inlet one-way valve and exhaust one-way valve.

[0005] The utility model employs the technical scheme to solve the above technical problems:

[0006] A kind of anti-liquid impact cylinder head of ion liquid seal compression cylinder, including cylinder head body, the cylinder head body is equipped with inlet passage and exhaust passage, inlet passage is equipped with inlet one-way valve, exhaust passage is equipped with exhaust one-way valve, and communication passage is equipped between inlet passage and exhaust passage, and communication passage is connected with the gas compression cavity in cylinder head of inlet passage, exhaust passage, and is equipped with anti-liquid impact valve in communication passage, and labyrinth passage is equipped in anti-liquid impact valve;Liquid addition passage is also equipped in cylinder head body, and liquid addition passage is connected with communication passage, and liquid addition connector and switch valve are installed on the outside of liquid addition passage.

[0007] The liquid-impact-preventing valve comprises a first valve plate, a second valve plate and a third valve plate which are stacked in sequence from bottom to top, air passages are arranged between the first valve plate and the second valve plate and between the second valve plate and the third valve plate, a plurality of arc-shaped grooves are arranged on the first valve plate, the second valve plate and the third valve plate along the circumference, the arc-shaped grooves on the first valve plate and the third valve plate are located at the same positions, the arc-shaped grooves on the second valve plate are located at positions different from those on the first valve plate and the third valve plate, and the air passages are provided with perforations corresponding to the positions of the arc-shaped grooves.

[0008] The bolt is fixedly connected with the cylinder head through the central holes of the first valve plate, the air passage, the second valve plate, the air passage and the third valve plate in sequence.

[0009] A gasket is arranged between the third valve plate and the cylinder head.

[0010] Positioning holes are arranged on the first valve plate, the air passage, the second valve plate, the air passage and the third valve plate at corresponding positions, and a positioning pin is inserted into the positioning hole.

[0011] The utility model discloses the above-mentioned scheme has the following advantages:

[0012] By installing the liquid-impact-preventing valve in the communication passage of the cylinder head body, the labyrinth passage arranged in the liquid-impact-preventing valve can form a barrier to the ionic liquid, so that the ionic liquid is prevented from directly entering and exiting, the impact force of the ionic liquid is weakened, the impact of the ionic liquid on the air inlet one-way valve and the air outlet one-way valve is reduced, and the service life of the air inlet one-way valve and the air outlet one-way valve is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0014] Figure 2 It is the cross section structure schematic diagram of the utility model.

[0015] Figure 3 It is the longitudinal section structure schematic diagram of the utility model.

[0016] Figure 4 It is the three-dimensional structure schematic diagram of the liquid-impact-preventing valve of the utility model.

[0017] Figure 5 It is the cross section structure schematic diagram of the liquid-impact-preventing valve of the utility model.

[0018] Figure 6 It is the explosion structure schematic diagram of the liquid-impact-preventing valve of the utility model.

[0019] In the figure, 1, cylinder head body, 2, intake passage, 3, exhaust passage, 4, intake check valve, 5, exhaust check valve, 6, communication passage, 7, anti-liquid valve, 8, labyrinth passage, 9, first valve plate, 10, second valve plate, 11, third valve plate, 12, vent plate, 13, arc slot, 14, openwork, 15, bolt, 16, gasket, 17, positioning hole, 18, liquid filling passage, 19, liquid filling connector, 20, on-off valve. DETAILED DESCRIPTION

[0020] To clearly illustrate the technical features of the present scheme, the present utility model is described in detail below through specific implementation modes, and in combination with its accompanying drawings.

[0021] As Figures 1-6 shown, an anti-liquid impact cylinder head of an ionic liquid sealed compressed gas cylinder comprises a cylinder head body 1, the cylinder head body 1 is provided with an intake passage 2 and an exhaust passage 3, the intake passage 2 is provided with an intake check valve 4, the exhaust passage 3 is provided with an exhaust check valve 5, a communication passage 6 is arranged between the intake passage 2 and the exhaust passage 3, the communication passage 6 connects the intake passage 2, the exhaust passage 3 and a gas compression cavity in the cylinder, an anti-liquid valve 7 is installed in the communication passage 6, the anti-liquid valve 7 is provided with a labyrinth passage 8; the cylinder head body 1 is further provided with a liquid filling passage 18, the liquid filling passage 18 is connected with the communication passage 6, and a liquid filling connector 19 and an on-off valve 20 are installed on the outside of the liquid filling passage 16.

[0022] The anti-liquid valve 7 comprises a first valve plate 9, a second valve plate 10 and a third valve plate 11 which are stacked in sequence from bottom to top, a vent plate 12 is arranged between the first valve plate 9 and the second valve plate 10 and between the second valve plate 10 and the third valve plate 11, respectively, a plurality of arc slots 13 are arranged on the first valve plate 9, the second valve plate 10 and the third valve plate 11 along the circumference, respectively, the arc slots 13 on the first valve plate 9 and the third valve plate 11 are located at the same position, the arc slots 13 on the second valve plate 10 are staggered with the arc slots 13 on the first valve plate 9 and the third valve plate 11, an openwork 14 is arranged on the vent plate 12 at a position corresponding to the arc slots 13, and the labyrinth passage 8 can be formed after the arc slots 13 cooperate with the openwork 14.

[0023] A bolt 15 is fixedly connected with the cylinder head 2 by penetrating the center holes of the first valve plate 9, the vent plate 12, the second valve plate 10, the vent plate 12 and the third valve plate 11 in sequence.

[0024] A gasket 16 is arranged between the third valve plate 11 and the cylinder head 2 to form a gap between the third valve plate 11 and the cylinder head 2, so as to avoid blocking the passage.

[0025] Positioning holes 17 are arranged on corresponding positions of the first valve plate 9, the vent plate 12, the second valve plate 10, the vent plate 12 and the third valve plate 11, and a positioning pin is inserted into the positioning hole 17 to play a positioning role during installation, so as to avoid installation errors and improve installation efficiency.

[0026] Working principle:

[0027] When working, the ionic liquid in the gas compression cavity of the cylinder is impacted by high-pressure gas, and then needs to pass through the labyrinth passage 8 in the liquid-impact-preventing valve 7 to enter the communication passage 6, and then enter the intake one-way valve 4 of the intake passage 2 and the exhaust one-way valve 5 of the exhaust passage 3. The ionic liquid is blocked in the labyrinth passage 8, and the impact force is weakened, so as to reduce the impact of the ionic liquid on the intake one-way valve 4 and the exhaust one-way valve 5, and ensure the service life of the intake one-way valve 4 and the exhaust one-way valve 5. In addition, through the liquid-adding connector 19 and the on-off valve 20 on the cylinder head body 1, the external ionic liquid can be added to the cylinder through the liquid-adding passage 18, the communication passage 6 and the labyrinth passage 8 in the liquid-impact-preventing valve 7, so as to supplement the ionic liquid.

[0028] The above specific embodiment cannot be regarded as the limitation of the protection scope of the utility model, and any alternative improvement or change made by the person skilled in the art to the embodiment of the utility model falls within the protection scope of the utility model.

[0029] The unexplained part of the utility model is the known technology of the person skilled in the art.

Claims

1. A liquid-impact-resistant cylinder head for an ion-liquid sealed compression cylinder, characterized in that: The cylinder head body is internally provided with an air inlet channel and an exhaust channel, the air inlet channel is internally provided with an air inlet check valve, the exhaust channel is internally provided with an exhaust check valve, a communication channel is arranged between the air inlet channel and the exhaust channel, the communication channel communicates the air inlet channel, the exhaust channel and a gas compression cavity in the cylinder, a liquid strike prevention valve is installed in the communication channel, and a labyrinth channel is arranged in the liquid strike prevention valve; the cylinder head body is further internally provided with a liquid adding channel, the liquid adding channel is communicated with the communication channel, and a liquid adding connector and an on-off valve are installed on the outer side of the liquid adding channel.

2. The liquid impact resistant cylinder head of claim 1, wherein: The liquid strike prevention valve comprises a first valve plate, a second valve plate and a third valve plate which are stacked in sequence from bottom to top, air passage plates are arranged between the first valve plate and the second valve plate and between the second valve plate and the third valve plate, a plurality of arc-shaped grooves are arranged on the first valve plate, the second valve plate and the third valve plate along the circumference, the positions of the arc-shaped grooves on the first valve plate and the third valve plate are the same, the positions of the arc-shaped grooves on the second valve plate and the first valve plate and the third valve plate are staggered, and the air passage plates are provided with perforations at positions corresponding to the arc-shaped grooves.

3. The liquid impact resistant cylinder head of claim 2, wherein: Bolts are fixedly connected with the cylinder head by penetrating the central holes of the first valve plate, the air passage plate, the second valve plate, the air passage plate and the third valve plate in sequence.

4. The liquid impact resistant cylinder head of claim 2, wherein: A gasket is arranged between the third valve plate and the cylinder head.

5. The liquid impact resistant cylinder head of claim 2, wherein: Positioning holes are arranged at corresponding positions on the first valve plate, the air passage plate, the second valve plate, the air passage plate and the third valve plate, and a positioning pin is inserted into the positioning hole.

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