CN201687691U - Improved gas-liquid separation exhaust cylinder - Google Patents
Improved gas-liquid separation exhaust cylinder Download PDFInfo
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- CN201687691U CN201687691U CN2010202957787U CN201020295778U CN201687691U CN 201687691 U CN201687691 U CN 201687691U CN 2010202957787 U CN2010202957787 U CN 2010202957787U CN 201020295778 U CN201020295778 U CN 201020295778U CN 201687691 U CN201687691 U CN 201687691U
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- liquid separation
- spool
- gas
- cylinder
- cylinder body
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Abstract
The utility model relates to a gas-liquid boosting device, in particular to an improved gas-liquid separation exhaust cylinder, which comprises a cylinder body, a hollow piston rod matching with the cylinder body and a piston connected with the hollow piston rod. A gas-liquid separator is disposed in the piston and comprises a valve body and a valve spool movably arranged in the valve body. After adopting the above structure, the improved gas-liquid separation exhaust cylinder isolates gas from oil, is fine in automatic exhaust effect and timely in automatic oil replenishing, can complete the operations automatically during working without additional auxiliary operations, and is stronger in practicality.
Description
Technical field
The utility model relates to apparatus for pressurizing gas, liquid, refers in particular to a kind of modified model gas-liquid separation exhaust casing.
Background technique
Pneumohydraulic pressure-cylinder is that an oil hydraulic cylinder is combined as integral type with pressurized machine, uses pure pressure as power source, utilizes the ratio of the lifting surface area of pressurized machine, and Pascal's energy is kept weighing apparatus principle and working.Because pressure is constant, when compression area from large to small the time, then pressure also can be with varying in size and change, and brings up to tens of times pressure effect thereby reach atmospheric pressure.At present, use pneumohydraulic pressure-cylinder widely in industries such as machining, packings.At present, known pneumohydraulic pressure-cylinder is by oil cylinder (being pre-air cylinder), pressurized cylinder and working cylinder are formed, between an end of no piston and the oil cylinder hydraulic oil channel that is interconnected is arranged in the working cylinder, this passage is through the stage casing, rod seal hole on the pressurized cylinder front cover, and when the retraction of pressurized cylinder piston rod, this passage is open-minded, when the pressurized cylinder piston rod stretches out, this pathway closure.At first pressurized air is pushed into a side of piston-rodless in the working cylinder with in-oil cylinder normal pressure oil via passage, and the cylinder piston rod low pressure that pushes the work forward stretches out, and finishes the precompressed stroke; Pressurized cylinder is under compressed-air actuated promotion then, before this with the passage between its piston rod sealing oil cylinder and working cylinder, the low pressure oil of pushing the working cylinder inner sealing then, and improve its pressure gradually, thereby the cylinder piston rod that pushes the work forward overcomes the heavy duty high pressure to be stretched out, and finishes the supercharging stroke.
And existing pneumohydraulic pressure-cylinder ubiquity defective on the market, one class is gas and oil can be isolated, but can not automatically the extraneous air that enters in the cylinder body in the working procedure be discharged, cause actual exerting oneself to descend, go out the force-stroke shortening greatly, thereby cause pneumohydraulic pressure-cylinder can't finish the work of setting; Another kind of is exactly the energy automatic vent, but can't effectively gas-liquid be isolated, air is present in the hydraulic oil and can't discharges, cause the hydraulic oil emulsion deterioration, parts corrosions such as cylinder body, end cap, piston are aging, and cause the rubber-like seals and other component to be corroded fast, shortened the working life of pneumohydraulic pressure-cylinder greatly; In addition, when the hydraulic oil in the cylinder body was less than established amount, the repairing automatically of such pneumohydraulic pressure-cylinder needed to adopt assistant tool to keep in repair repairing, and this not only loses time, and increases workload, increases maintenance cost, returns the user and brings very big economic burden.Therefore, press for a kind of cylinder that can improve the gas-liquid separation degassing function on the market.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of modified model gas-liquid separation exhaust casing that improves the gas-liquid separation performance.
In order to solve the problems of the technologies described above, the utility model adopts following technological scheme: modified model gas-liquid separation exhaust casing, and comprise cylinder body, reach the piston that is connected with the box type piston bar with the box type piston bar of cylinder body cooperation, be provided with gas-liquid separation device in the described piston; This gas-liquid separation device comprises valve body and the movable spool that is arranged in the valve body.
Wherein, offer up-small and down-big reducing through hole in the described valve body, the outer wall shape of spool is corresponding with the shape of the upper inside wall of reducing through hole, and the spool activity is installed in this reducing through hole; Be provided with Returnning spring in the described valve body, an end of this Returnning spring and the upper end of spool are inconsistent, and the other end of this Returnning spring is connected with the upper end of reducing through hole.
Wherein, the outer wall of described spool offers first annular groove, is provided with annular soft seal ring in this first annular groove.
Wherein, described spool upper end is provided with spring spool, and described Returnning spring is set in the spring spool.
Wherein, described spring spool sidewall has pore.
Wherein, the outer wall of described piston offers second annular groove, is provided with seal ring in this second annular groove.
Wherein, the sidewall of described cylinder body offers into oilhole, and this goes into the internal communication of oilhole and cylinder body.
The beneficial effects of the utility model are: the utility model provides a kind of modified model gas-liquid separation exhaust casing, comprises cylinder body, reaches the piston that is connected with the box type piston bar with the box type piston bar of cylinder body cooperation, is provided with gas-liquid separation device in the described piston; This gas-liquid separation device comprises valve body and the movable spool that is arranged in the valve body.After adopting said structure, modified model gas-liquid separation exhaust casing gas and oil described in the utility model is isolated, effective, the automatic repairing of automatic vent is timely, and these operations are all finished when work automatically, auxiliary operation that need not be extra, and practicability is stronger.
Description of drawings
Fig. 1 is the utility model master TV structure schematic representation.
Cross-sectional view when Fig. 2 carries out precompressed work for the utility model.
The cross-sectional view of spool part when Fig. 3 carries out precompressed work for the utility model.
Cross-sectional view when Fig. 4 carries out supercharging work for the utility model.
Fig. 5 is the utility model cross-sectional view in actual applications.
Embodiment
For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing the utility model is further described, the content that mode of execution is mentioned not is to qualification of the present utility model.
As shown in Figures 1 to 4, modified model gas-liquid separation exhaust casing comprises cylinder body 1, reaches the piston 3 that is connected with box type piston bar 2 with the box type piston bar 2 of cylinder body 1 cooperation, is provided with gas-liquid separation device in the described piston 3; This gas-liquid separation device comprises valve body 4 and the movable spool 5 that is arranged in the valve body 4.After adopting said structure, modified model gas-liquid separation exhaust casing gas and oil described in the utility model is isolated, effective, the automatic repairing of automatic vent is timely, and these operations are all finished when work automatically, auxiliary operation that need not be extra, and practicability is stronger.
Concrete, offering up-small and down-big reducing through hole 41 in the described valve body 4, the outer wall shape of spool 5 is corresponding with the shape of the upper inside wall of reducing through hole 41, and spool 5 activities are installed in this reducing through hole 41; Be provided with Returnning spring 43 in the described valve body 4, an end of this Returnning spring 43 and the upper end of spool 5 are inconsistent, and the other end of this Returnning spring 43 is connected with the upper end of reducing through hole 41.
Be illustrated in figure 5 as the utility model cross-sectional view in actual applications, the bottom of cylinder body 1 is communicated with the cylinder 6 of exerting oneself by hydraulic oil pipe, and the cavity top of box type piston bar 2 is communicated with exhaust repairing cylinder 7.
When carrying out the precompressed action, spool 5 is positioned at the bottom of reducing through hole 41 under the effect of Returnning spring 43, between the inwall of reducing through hole 41 and the spool 5 certain clearance is arranged, hydraulic oil enters in the cylinder body 1 from the oil-feed interface of cylinder body 1 bottom, and promote piston 3 and move upward, box type piston bar 2 moves upward with piston 3.At this moment, the hydraulic oil of cylinder body 1 inner carrier 3 downsides is squeezed, make the hydraulic oil that remains in the gas in the hydraulic oil or contain gas enter box type piston bar 2 from the inwall of reducing through hole 41 and the gap between the spool 5 earlier, and enter by spool 5 in the cavity of box type piston bar 2, finally the cavity top from box type piston bar 2 enters exhaust repairing cylinder 7, thereby realizes its degassing function.
The pressure that is subjected to when the hydraulic oil of cylinder body 1 inner carrier 3 downsides increases to can compression reseting spring 43 time, spool 5 is moved upward to the inwall and spool 5 complete closed of reducing through hole 41 under the squeezing action of hydraulic oil, hydraulic oil can't enter in the cavity of box type piston bar 2 from spool 5, thereby the supercharging action that guarantees described modified model gas-liquid separation exhaust casing is carried out smoothly.
After 2 actings of box type piston bar finish, the pressure of the hydraulic oil of cylinder body 1 inner carrier 3 downsides reduces, spool 5 is retracted into the bottom of reducing through hole 41 under the effect of Returnning spring 43, thereby make spool 5 get back to initial position, so that modified model gas-liquid separation exhaust casing described in the utility model carries out the action of exhaust next time.
The outer wall of the described spool 5 of present embodiment offers first annular groove 51, is provided with annular soft seal ring 52 in this first annular groove 51, when spool 5 is positioned at the bottom of reducing through hole 41, with the sealability between the inwall that strengthens spool 5 and reducing through hole 41.
Described spool 5 upper ends of present embodiment are provided with spring spool 53, and described Returnning spring 43 is set in the spring spool 53.Concrete, described spring spool 53 sidewalls have pore 55.Spring spool 53 is used for playing positioning action to Returnning spring 43, prevents that the position of Returnning spring 43 from the proper functioning of bias effect Returnning spring 43 taking place; When spool 5 was positioned at the bottom of reducing through hole 41, the hydraulic oil of being convenient to remain in the gas in the hydraulic oil or contain gas entered in the cavity of box type piston bar 2 by this pore 55, and practicability is stronger.
The outer wall of the described piston 3 of present embodiment offers second annular groove 31, is provided with seal ring in this second annular groove 31, is used to strengthen the outer wall of piston 3 and the sealability between cylinder body 1 inwall.
The sidewall of the described cylinder body 1 of present embodiment offers into oilhole 11, and this goes into the internal communication of oilhole 11 and cylinder body 1.After box type piston bar 2 acting finishes, need be with 2 withdrawals of box type piston bar, at this moment, hydraulic oil enters in the cylinder body 1 and promotes piston 3 and move downward from going into oilhole 11, is retracted in the cylinder body 1 thereby drive box type piston bar 2.
The foregoing description is one of preferable implementation of the utility model; in addition; the utility model can also realize by alternate manner that any conspicuous replacement is all within protection domain of the present utility model under the prerequisite that does not break away from the present utility model design.
Claims (7)
1. modified model gas-liquid separation exhaust casing comprises cylinder body (1), reaches the piston (3) that is connected with box type piston bar (2) with the box type piston bar (2) of cylinder body (1) cooperation, and it is characterized in that: described piston is provided with gas-liquid separation device in (3); This gas-liquid separation device comprises valve body (4) and the movable spool (5) that is arranged in the valve body (4).
2. modified model gas-liquid separation exhaust casing according to claim 1, it is characterized in that: offer up-small and down-big reducing through hole (41) in the described valve body (4), the outer wall shape of spool (5) is corresponding with the shape of the upper inside wall of reducing through hole (41), and spool (5) activity is installed in this reducing through hole (41);
Be provided with Returnning spring (43) in the described valve body (4), the upper end of end of this Returnning spring (43) and spool (5) is inconsistent, and the other end of this Returnning spring (43) is connected with the upper end of reducing through hole (41).
3. modified model gas-liquid separation exhaust casing according to claim 2 is characterized in that: the outer wall of described spool (5) offers first annular groove (51), is provided with annular soft seal ring (52) in this first annular groove (51).
4. modified model gas-liquid separation exhaust casing according to claim 2 is characterized in that: described spool (5) upper end is provided with spring spool (53), and described Returnning spring (43) is set in the spring spool (53).
5. modified model gas-liquid separation exhaust casing according to claim 4 is characterized in that: described spring spool (53) sidewall has pore (55).
6. modified model gas-liquid separation exhaust casing according to claim 1 is characterized in that: the outer wall of described piston (3) offers second annular groove (31), is provided with seal ring in this second annular groove (31).
7. modified model gas-liquid separation exhaust casing according to claim 1 is characterized in that: the sidewall of described cylinder body (1) offers into oilhole (11), and this goes into the internal communication of oilhole (11) and cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202957787U CN201687691U (en) | 2010-08-18 | 2010-08-18 | Improved gas-liquid separation exhaust cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202957787U CN201687691U (en) | 2010-08-18 | 2010-08-18 | Improved gas-liquid separation exhaust cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201687691U true CN201687691U (en) | 2010-12-29 |
Family
ID=43375974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202957787U Expired - Lifetime CN201687691U (en) | 2010-08-18 | 2010-08-18 | Improved gas-liquid separation exhaust cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201687691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112452401A (en) * | 2021-02-02 | 2021-03-09 | 季华实验室 | Crusher for glove box |
-
2010
- 2010-08-18 CN CN2010202957787U patent/CN201687691U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112452401A (en) * | 2021-02-02 | 2021-03-09 | 季华实验室 | Crusher for glove box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101229 |