CN202326059U - Double-acting pressurizing gas-liquid composite pump - Google Patents
Double-acting pressurizing gas-liquid composite pump Download PDFInfo
- Publication number
- CN202326059U CN202326059U CN2011204286813U CN201120428681U CN202326059U CN 202326059 U CN202326059 U CN 202326059U CN 2011204286813 U CN2011204286813 U CN 2011204286813U CN 201120428681 U CN201120428681 U CN 201120428681U CN 202326059 U CN202326059 U CN 202326059U
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- pressurizing
- driving cylinder
- cylinders
- pump
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Abstract
The utility model discloses a double-acting pressurizing gas-liquid composite pump. The pump comprises a driving cylinder and pressurizing oil cylinders connected at two sides of the driving cylinder in series, wherein the hydraulic chambers of the pressurizing oil cylinders are connected with a pump hydraulic output pipeline; the plunger rods of the two pressurizing cylinders are in integral structure; the piston of the driving cylinder is connected to the plunger rods of the two pressurizing oil cylinders and is provided with a magnetic ring; the driving cylinder is provided with two magnetic switches are arranged at the two limit positions of the driving cylinder, wherein the two limit positions of the driving cylinder are corresponding to the piston; a transition oil cylinder connected with the driving cylinder and the pressurizing oil cylinders in series is arranged between the driving cylinder and the pressurizing oil cylinders; the transition oil cylinder is provided with a hydraulic output pipeline communicated with the pump hydraulic pump output pipeline; the hydraulic output pipeline on the transition oil cylinder is provided with a stop valve; and the piston of the transition oil cylinder is connected to the plunger rods of the two pressurizing cylinders. On the basis of keeping high-pressure small-displacement output, the double-acting pressurizing gas-liquid composite pump realizes low-pressure big-displacement requirement, thus the low-pressure big-displacement is satisfied, and the high-pressure small-displacement requirement can be satisfied to adapt to different working conditions. In addition, output pressure is enlarged.
Description
Technical field
The utility model belongs to gas-liquid complex technique field, is specifically related to a kind of gas-powered of utilizing and realizes the gas-liquid combined pump to fluid pressure control.
Background technique
The gas-liquid combined pump is to be power with pressurized air; Continuous linear reciprocating motion through cylinder; Drive plunger constantly changes the oil cylinder hydraulic chamber volume, makes the oil cylinder hydraulic chamber constantly suck low pressure fluid, according to a kind of pump of how much intelligently exporting high pressure oil of executive component to the high pressure oil demand.The gas-liquid combined pump is widely used in the fields such as testing property and correction that pipe fitting, flexible pipe, valve, pressurized container, cylinder etc. provide static state and explosion test, brake system of car and oil nozzle test, instrument and apparatus.Suiting needs long-time pressurize or needs for a long time to use on the equipment of high-pressure low-flow in system.Its structure such as Chinese utility model patent are disclosed on November 12nd, 200720099517.6,2008, comprise a cylinder and the pressurizing cylinder that is serially connected in its both sides.This structure can only provide high-pressure low-flow, can not satisfy the operating mode of the big discharge capacity of low pressure and use, big limitations the using scope of gas-liquid combined pump, and pressure ratio is generally less.
The model utility content
The utility model provides a kind of big discharge capacity of low pressure that can realize can realize that again the little discharge capacity of high pressure is to satisfy the double-action supercharging gas-liquid combined pump of different operating mode demands for solving the technical problem that exists in the known technology.
The technological scheme that the utility model is taked for the technical problem that exists in the solution known technology is: a kind of double-action supercharging gas-liquid combined pump; Comprise and drive cylinder and the pressurizing cylinder that is serially connected in its both sides; The hydraulic chamber of said pressurizing cylinder is connected with pump hydraulic pressure output pipe; The plunger rod of two said pressurizing cylinders is structure as a whole; The piston of said driving cylinder is connected on the plunger rod of said pressurizing cylinder and is provided with magnet ring, and two limit positions of corresponding its piston are provided with two magnetic switchs on said driving cylinder; Between said driving cylinder and said pressurizing cylinder, have additional the transition oil cylinder that is connected in series with them; Said transition oil cylinder is provided with the hydraulic pressure output pipe that is communicated with said pump hydraulic pressure output pipe; Hydraulic pressure output pipe on the said transition oil cylinder is provided with stop valve, and the piston of said transition oil cylinder is connected on the plunger rod of said pressurizing cylinder.
Said driving cylinder is at least two cylinders that are connected in series each other, the homonymy air chamber parallel connection of all cylinders; The piston of all cylinders all is connected on the plunger rod of said pressurizing cylinder.
Advantage and the good effect that the utlity model has are:
1) sets up the transition oil cylinder through being employed in to drive between cylinder and the pressurizing cylinder; On the transition oil cylinder, establish the structure of the hydraulic pressure output pipe that is communicated with pump hydraulic pressure output pipe; On the basis of possessing the output of high pressure float amount; Realized the output of the big discharge capacity of low pressure, both satisfied demand that the demand of the big discharge capacity of low pressure also can satisfy high-pressure low-flow to adapt to different operating modes.
2) drive cylinder through adopting the structure of at least two cylinders of serial connection each other, make driving force double, pressure ratio doubles, and delivery pressure increases.
3) adopt magnet ring and magnetic switch to realize automatic reverse, rate of fault is low, stable performance.
4) simple in structure, be convenient to maintenance.
Description of drawings
Fig. 1 is for using the structural representation of the utility model.
Embodiment
For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1; A kind of double-action supercharging gas-liquid combined pump; Comprise and drive cylinder and transition oil cylinder 4-1,4-2 and the pressurizing cylinder 1-1, the 1-2 that are serially connected in its both sides; The hydraulic chamber of pressurizing cylinder 1-1,1-2 is connected with pump hydraulic pressure output pipe 8, and the plunger rod 11 of two pressurizing cylinder 1-1,1-2 is structure as a whole transition oil cylinder 4-1, the hydraulic pressure output pipe that 4-2 is provided with to be communicated with pump hydraulic pressure output pipe 8; Hydraulic pressure output pipe on the transition oil cylinder is provided with stop valve, and the piston of transition oil cylinder is connected on the plunger rod 11 of pressurizing cylinder.Driving cylinder is at least two cylinder 7-1, the 7-2 of serial connection each other, the homonymy air chamber parallel connection of all cylinders; The piston of all cylinders all is connected on the plunger rod 11 of pressurizing cylinder.To drive cylinder is that two serial connection cylinder 7-1,7-2 shown in Figure 1 are example: pressure ratio i=2 (D
2-d
2 2)/d
1 2, be the twice of existing gas-liquid combined pump, in like manner, driving cylinder is three serial connection cylinders, then pressure ratio is three times of existing gas-liquid combined pump, by that analogy.The piston that drives cylinder is provided with magnet ring, is provided with two magnetic switch 5-1,5-2 at two limit positions that drive on the cylinder should piston.
The working principle of the utility model:
Gas gets into the right chamber that drives cylinder through pneumatic triple piece 10, two-position-five-way solenoid valve 9; Promote cylinder piston 6-1,6-2 to left movement; When the big discharge capacity of needs low pressure, open stop valve 3-1,3-2, this moment, left side transition oil cylinder 4-1 and left side pressurizing cylinder 1-1 opened one-way valve 12-1,12-3 simultaneously under the driving of piston 13-1 and plunger rod 11; This moment, two-way hydraulic oil converged in pump hydraulic pressure output pipe 8, the action of driving execution element; Right side transition oil cylinder 4-2 and right side pressurizing cylinder 1-2 are owing to piston 13-2 and plunger rod 11 moves to left, and volume increases, and one-way valve 12-6,12-8 open, and right side transition oil cylinder 4-2 and right side pressurizing cylinder 1-2 get into the oil suction state; When the magnet ring on the cylinder piston 6-1 moves to the position of magnetic switch 5-1; Trigger signal drives solenoid valve 9 switching-overs; Cylinder piston 6-1,6-2 move to the right at this moment; Left side transition oil cylinder 4-1, left side pressurizing cylinder 1-1 get into the oil suction state, and right side transition oil cylinder 4-2, right side pressurizing cylinder 1-2 get into working state, and one-way valve 12-5,12-7 open; Two-way hydraulic oil from right side transition oil cylinder 4-2 and right side pressurizing cylinder 1-2 converges in pump hydraulic pressure output pipe 8, the action of driving execution element; Left side one-way valve 12-2,12-4 open, and left side transition oil cylinder 4-1 and left side pressurizing cylinder 1-1 get into the oil suction state.When the pressurize of needs high-pressure low-flow; Stop valve 3-1,3-2 are closed; After setting up the working pressure of the good relief valve 2-1 that is connected with the transition oil cylinder, 2-2; The transition oil cylinder can flow back to fuel tank through relief valve 2-1,2-2 with the hydraulic oil in the chamber in the stroke of the utility model supercharging, promptly when needs high pressure float amount, have only pressurizing cylinder 1-1,1-2 in action, and as above the utility model can realize that the big discharge capacity of low pressure can realize that again the little discharge capacity of high pressure is to satisfy different operating mode demands.
Although combine accompanying drawing that the preferred embodiment of the utility model is described above; But the utility model is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, is not restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection domain of the utility model.
Claims (2)
1. double-action supercharging gas-liquid combined pump; Comprise and drive cylinder and the pressurizing cylinder that is serially connected in its both sides; The hydraulic chamber of said pressurizing cylinder is connected with pump hydraulic pressure output pipe; The plunger rod of two said pressurizing cylinders is structure as a whole, and the piston of said driving cylinder is connected on the plunger rod of said pressurizing cylinder and is provided with magnet ring, on said driving cylinder, two limit positions that should piston is provided with two magnetic switchs;
It is characterized in that; Between said driving cylinder and said pressurizing cylinder, have additional the transition oil cylinder that is connected in series with them; Said transition oil cylinder is provided with the hydraulic pressure output pipe that is communicated with said pump hydraulic pressure output pipe; Hydraulic pressure output pipe on the said transition oil cylinder is provided with stop valve, and the piston of said transition oil cylinder is connected on the plunger rod of said pressurizing cylinder.
2. double-action supercharging gas-liquid combined pump according to claim 1 is characterized in that, said driving cylinder is at least two cylinders that are connected in series each other, the homonymy air chamber parallel connection of all cylinders; The piston of all cylinders all is connected on the plunger rod of said pressurizing cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204286813U CN202326059U (en) | 2011-11-02 | 2011-11-02 | Double-acting pressurizing gas-liquid composite pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204286813U CN202326059U (en) | 2011-11-02 | 2011-11-02 | Double-acting pressurizing gas-liquid composite pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326059U true CN202326059U (en) | 2012-07-11 |
Family
ID=46438041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204286813U Expired - Fee Related CN202326059U (en) | 2011-11-02 | 2011-11-02 | Double-acting pressurizing gas-liquid composite pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326059U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410170A (en) * | 2011-11-02 | 2012-04-11 | 天津市天大银泰科技有限公司 | Double-acting supercharging gas-liquid combination pump |
| CN104493729A (en) * | 2014-12-21 | 2015-04-08 | 湖州师范学院 | Jet flow polishing solution supercharging device |
-
2011
- 2011-11-02 CN CN2011204286813U patent/CN202326059U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410170A (en) * | 2011-11-02 | 2012-04-11 | 天津市天大银泰科技有限公司 | Double-acting supercharging gas-liquid combination pump |
| CN102410170B (en) * | 2011-11-02 | 2015-02-18 | 天津市天大银泰科技有限公司 | Double-acting supercharging gas-liquid combination pump |
| CN104493729A (en) * | 2014-12-21 | 2015-04-08 | 湖州师范学院 | Jet flow polishing solution supercharging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20151102 |
|
| EXPY | Termination of patent right or utility model |