CN220060055U - Pump head device of hydrogen jet pump - Google Patents
Pump head device of hydrogen jet pump Download PDFInfo
- Publication number
- CN220060055U CN220060055U CN202321051842.0U CN202321051842U CN220060055U CN 220060055 U CN220060055 U CN 220060055U CN 202321051842 U CN202321051842 U CN 202321051842U CN 220060055 U CN220060055 U CN 220060055U
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- China
- Prior art keywords
- fixedly connected
- spring
- pressing
- pump head
- pump
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000001257 hydrogen Substances 0.000 title claims abstract description 28
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims description 21
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model discloses a pump head device of a hydrogen jet pump, which relates to the technical field of pump head devices of hydrogen jet pumps and comprises an air outlet, wherein an air outlet sealing ring is fixedly connected to the outer surface of the air outlet, a pump head shell is fixedly connected to the lower surface of the air outlet, a pressure gauge is fixedly connected to the outer surface of the pump head shell, a pressing support is arranged on the left side of the pressure gauge, a pressing plate is movably connected to the upper surface of the pressing support, a pressing spring is fixedly connected to the lower surface of one end of the pressing plate, a first spring rod is arranged in the pressing spring, an air bag plate is fixedly connected to the lower surface of the first spring rod, a pressing air bag is arranged on the lower surface of the air bag plate, a hose is fixedly connected to the outer surface of the pressing air bag, and a pressing shell is fixedly connected to the outer surface of the hose.
Description
Technical Field
The utility model relates to the technical field of pump head devices of jet pumps, in particular to a pump head device of a hydrogen jet pump.
Background
The air compression pump is used for the place that needs air to supercharge, the development of this equipment and pump head has also had fine achievements now, for example publication number CN 105257510A's pump head on the oil-free air compressor, be equipped with first bent axle in the 1 level compression cylinder, be equipped with the second bent axle in the 2 level compression cylinder, first bent axle and second bent axle cover are established respectively at the both ends of motor main shaft, the intercommunication has the cooling tube between 1 level compression cylinder and the 2 level compression cylinder, the both ends of cooling tube are connected respectively on the gas outlet of air inlet and 1 level compression cylinder, the diameter of 1 level compression cylinder is greater than the diameter of 2 level compression cylinder, the eccentric distance of first bent axle is greater than the eccentric distance of second bent axle, the cooling tube is "U" shape and sets up in 1 level compression cylinder and 2 level compression cylinder's same one side.
Because the cooling tube adopts the U-shaped winding mode and winds the same side of the pump head, the cooling tube can not extend too long, and the cooling tube can not shake greatly when the high-power motor works, so that the joint of the cooling tube and the air cylinder can not be broken, and the service life of the pump head is prolonged.
Although the above-described apparatus has such advantages, there are disadvantages in that the airtightness and the flow control are not taken into consideration, air leakage may occur, the desired requirements are not satisfied in performing accurate air flow control, the manual maintenance cost is excessively high, and the replacement is difficult due to damage.
Disclosure of Invention
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a pump head device of hydrogen jet pump, includes the gas outlet, the surface fixedly connected with of gas outlet is given vent to anger the sealing washer, the lower fixed surface of gas outlet is connected with the pump head shell, the surface fixedly connected with manometer of pump head shell, the left side of manometer is provided with presses the support, the upper surface swing joint who presses the support has the pressure plate, the lower fixed surface of pressure plate one end is connected with presses the spring, the inside of pressing the spring is provided with first spring bar, the lower fixed surface of first spring bar is connected with the gasbag board, the lower surface of gasbag board is provided with presses the gasbag, the surface fixedly connected with hose of pressing the gasbag, the surface fixedly connected with of hose presses the shell, the internal surface fixedly connected with slide bar of pump head shell, the surface fixedly connected with cake metal of slide bar, the surface fixedly connected with annular gasbag of cake metal, cake metal surface fixedly connected with second spring bar, the surface swing joint of second spring bar has seal spring, the surface fixedly connected with seal spring on seal spring right side, this seal plate has realized the cooperation flow control function with air tightness each other.
Preferably, the lower surface fixedly connected with first spring bar of pressing plate, the surface swing joint of first spring bar has the pressing spring, the lower surface fixedly connected with of pressing spring presses the shell, the surface fixedly connected with air inlet of pump head shell one side, the surface fixedly connected with air inlet seal circle of air inlet, the internal surface and the second spring bar sliding connection of sealing washer, the internal surface and the sliding rod sliding connection of sealing washer, the quantity of sliding rod is three, the surface and the internal surface fixed connection of annular gasbag of hose, the internal surface fixedly connected with cake metal of annular gasbag, the internal surface fixedly connected with sealing spring of cake metal, this function has realized pressing the shrink of gasbag and the slip of sealing washer under the power of atmospheric pressure.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the pump head is arranged, when the device is used, the hydrogen pump body interface is clamped on the air inlet of the pump head, the air inlet sealing ring is compressed, after hydrogen passes through the air inlet, the hydrogen enters the closed space on the right side of the round cake metal from the space between the annular air bag on the round cake metal surface and the inner surface of the pump head shell, and the sealing piece is blocked the air outlet due to the thrust of the sealing spring, and is pushed away at the same time when the air outlet is clamped, so that the whole smoothness is achieved. The pressure of hydrogen in the cavity can be observed through the pressure gauge at any time, the pressure of the air inlet sealing ring is higher, and the same is true of the air outlet sealing ring, so that the problem of low air tightness is solved.
2. According to the utility model, the pressing air bag is arranged, when the device is used, when the quantity and frequency of entering and exiting hydrogen are required to be controlled, the pressing plate is pressed down, the first spring rod is driven by power, the air bag plate is driven by the first spring rod, the air bag plate presses the pressing air bag, so that gas in the pressing air bag is filled into the annular air bag through the hose, the flow of the entering hydrogen is controlled through the expansion height of the annular air bag, because the annular air bag is fixed on the outer surface of the round cake metal, the expansion height of the annular air bag can also completely seal the pipeline space, the flow of the hydrogen is accurately controlled, when the pressing plate does not give pressure, the pressing plate is pushed back to the original position by the elasticity of the pressing spring, the annular air bag naturally contracts under the action of the pressure, and the inside of the pump head is restored to be smooth, and the function is realized to accurately control the flow of the hydrogen.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the flow valve of the present utility model;
fig. 4 is a schematic view of the structure of the press pump of the present utility model.
In the figure: 1. an air inlet; 2. an air inlet sealing ring; 3. a hose; 4. pressing the plate; 5. pressing the housing; 6. pressing the support; 7. a pump head housing; 8. a pressure gauge; 9. an air outlet sealing ring; 10. an air outlet; 11. an airbag plate; 12. pressing the spring; 13. a first spring lever; 14. pressing the air bag; 15. a slide bar; 16. a sealing sheet; 17. a second spring rod; 18. a seal spring; 19. an annular air bag; 20. cake metal.
Description of the embodiments
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Examples
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a pump head device of hydrogen jet pump, including gas outlet 10, the surface fixedly connected with of gas outlet 10 gives vent to anger sealing washer 9, the lower fixed surface of gas outlet 10 is connected with pump head shell 7, the surface fixedly connected with manometer 8 of pump head shell 7, the left side of manometer 8 is provided with presses support 6, the upper surface swing joint of pressing support 6 has pressing plate 4, the lower fixed surface of pressing plate 4 one end is connected with pressing spring 12, pressing spring 12's inside is provided with first spring bar 13, the lower fixed surface of first spring bar 13 is connected with gasbag board 11, the lower surface of gasbag board 11 is provided with presses gasbag 14, pressing gasbag 14's surface fixedly connected with hose 3, hose 3's surface fixedly connected with presses shell 5, pump head shell 7's internal surface fixedly connected with slide bar 15, slide bar 15's surface fixedly connected with cake metal 20, cake metal 20's surface fixedly connected with annular gasbag 19, cake metal 20 surface fixedly connected with second spring bar 17, second spring 17's surface swing joint has sealing spring 18, sealing spring 18's outer surface fixedly connected with sealing plate 16 on sealing spring 18 right side, this cooperation flow control function has been realized with each other.
The lower surface fixedly connected with first spring bar 13 of clamp plate 4, the surface swing joint of first spring bar 13 has the clamp spring 12, the lower surface fixedly connected with clamp spring 12 presses shell 5, the surface fixedly connected with air inlet 1 of one side of pump head shell 7, the surface fixedly connected with air inlet seal circle 2 of air inlet 1, the internal surface of sealing piece 16 and the surface sliding connection of second spring bar 17, the internal surface of sealing piece 16 and the surface sliding connection of slide bar 15, the quantity of slide bar 15 is three, the surface of hose 3 and the internal surface fixed connection of annular gasbag 19, the surface fixedly connected with seal spring 18 of cake metal 20, cake metal 20 fixedly connected with seal spring 18, this function has realized the shrink of clamp spring 14 and the slip of sealing piece 16 under the power of atmospheric pressure.
Working principle:
the hydrogen pump body interface is clamped on the air inlet 1 of the pump head, meanwhile, the air inlet sealing ring 2 is pressed, when hydrogen passes through the air inlet 1, the hydrogen enters the closed space on the right side of the round cake metal 20 from the space between the annular air bag 19 on the surface of the round cake metal 20 and the inner surface of the pump head shell 7, the sealing piece 16 is used for blocking the air outlet 10 due to the thrust of the sealing spring 18, and when the air outlet 10 is clamped, the sealing piece 16 is pushed away simultaneously, so that the whole smoothness is achieved. The pressure of the hydrogen in the cavity can be observed through the pressure gauge 8 at the moment, the greater the pressure is, the greater the pressure received by the air inlet sealing ring 2 is, and the same is true of the air outlet sealing ring 9.
When the amount and the frequency of entering and exiting hydrogen are required to be controlled, the pressing plate 4 can be pressed down, the power drives the first spring rod 13, the first spring rod 13 drives the air bag plate 11, the air bag plate 11 extrudes the pressing air bag 14, the air in the pressing air bag 14 is filled into the annular air bag 19 through the hose 3, the flow of entering the hydrogen is controlled through the expansion height of the annular air bag 19, because the annular air bag 19 is fixed on the outer surface of the round cake metal 20, the expansion height of the annular air bag 19 can also completely seal the pipeline space, the flow of the hydrogen is accurately controlled, when the pressing plate 4 does not give pressure, the elastic force of the pressing spring 12 pushes the pressing plate 4 back to the original position, the annular air bag 19 naturally contracts under the action of the pressure, and the inside of the pump head is restored to be smooth.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (6)
1. Pump head device of a hydrogen jet pump, comprising an air outlet (10), characterized in that: the outer surface of the air outlet (10) is fixedly connected with an air outlet sealing ring (9), the lower surface of the air outlet (10) is fixedly connected with a pump head shell (7), the outer surface of the pump head shell (7) is fixedly connected with a pressure gauge (8), the left side of the pressure gauge (8) is provided with a pressing bracket (6), the upper surface of the pressing bracket (6) is movably connected with a pressing plate (4), the lower surface of one end of the pressing plate (4) is fixedly connected with a pressing spring (12), the inside of pressing spring (12) is provided with first spring bar (13), the lower fixed surface of first spring bar (13) is connected with gasbag board (11), the lower surface of gasbag board (11) is provided with presses gasbag (14), the surface fixed connection who presses gasbag (14) has hose (3), the surface fixed connection of hose (3) presses shell (5).
2. A pump head apparatus of a hydrogen jet pump as claimed in claim 1, wherein: the inner surface fixedly connected with slide bar (15) of pump head shell (7), the surface fixedly connected with cake metal (20) of slide bar (15), the surface fixedly connected with annular gasbag (19) of cake metal (20), cake metal (20) surface fixedly connected with second spring rod (17), the surface swing joint of second spring rod (17) has sealing spring (18), the surface fixedly connected with sealing plate (16) on sealing spring (18) right side.
3. A pump head apparatus of a hydrogen jet pump as claimed in claim 1, wherein: the lower surface of the pressing plate (4) is fixedly connected with a first spring rod (13), the outer surface of the first spring rod (13) is movably connected with a pressing spring (12), and the lower surface of the pressing spring (12) is fixedly connected with a pressing shell (5).
4. A pump head apparatus of a hydrogen jet pump as claimed in claim 1, wherein: the outer surface of one side of pump head shell (7) is fixedly connected with air inlet (1), the outer surface of air inlet (1) is fixedly connected with air inlet sealing washer (2).
5. A pump head apparatus of a hydrogen jet pump according to claim 2, wherein: the outer surface of the hose (3) is fixedly connected with the inner surface of the annular air bag (19), and the outer surface of the round cake metal (20) is fixedly connected with a sealing spring (18).
6. The pump head apparatus of a hydrogen jet pump of claim 5, wherein: the inner surface of the sealing piece (16) is in sliding connection with the outer surface of the second spring rod (17), the inner surface of the sealing piece (16) is in sliding connection with the outer surface of the sliding rod (15), and the number of the sliding rods (15) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321051842.0U CN220060055U (en) | 2023-05-05 | 2023-05-05 | Pump head device of hydrogen jet pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321051842.0U CN220060055U (en) | 2023-05-05 | 2023-05-05 | Pump head device of hydrogen jet pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220060055U true CN220060055U (en) | 2023-11-21 |
Family
ID=88785579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321051842.0U Active CN220060055U (en) | 2023-05-05 | 2023-05-05 | Pump head device of hydrogen jet pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220060055U (en) |
-
2023
- 2023-05-05 CN CN202321051842.0U patent/CN220060055U/en active Active
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| GR01 | Patent grant |