CN213394609U - Balanced type guide bottle opening structure - Google Patents
Balanced type guide bottle opening structure Download PDFInfo
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- CN213394609U CN213394609U CN202022365080.4U CN202022365080U CN213394609U CN 213394609 U CN213394609 U CN 213394609U CN 202022365080 U CN202022365080 U CN 202022365080U CN 213394609 U CN213394609 U CN 213394609U
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Abstract
The utility model discloses a balanced type guide opens a bottle structure relates to gas cylinder opening equipment technical field, and mainly used solution provides this great control energy then can lead to the problem that the volume and the weight of guide valve part become big. The main structure is as follows: a main valve control cavity, a main valve input cavity and a main valve output cavity are arranged in the valve body along the main valve core; a pilot valve cavity and a pilot valve control cavity are arranged along the pilot valve core; the main valve input cavity is communicated with the gas cylinder and is communicated with the main valve control cavity, and the main valve control cavity is communicated with the pilot valve cavity; the pilot valve control cavity is communicated with the detonation cavity. The utility model provides a pair of balanced type guide uncork structure, it can effectively reduce pilot valve volume, weight, improves the reliability of uncork.
Description
Technical Field
The utility model relates to a gas cylinder opening equipment technical field especially relates to a balanced type guide uncork structure.
Background
In the prior art, for a gas cylinder mouth valve with high working pressure and large drift diameter, because the force required for automatically opening the cylinder is large, the mouth valve mostly adopts a pilot structure, namely a pilot valve is arranged on a main valve body, the pilot valve is controlled to be opened by small control energy, and then the main valve core is pushed by medium energy in the gas cylinder, so that the large-caliber main valve is opened.
However, for an ultrahigh pressure gas cylinder, such as a gas cylinder with a working pressure exceeding 30MPa, even if a pilot valve structure is adopted, a large amount of energy is still required for controlling the pilot valve core. However, providing this large control energy results in a large volume and weight of the pilot valve portion and poor reliability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a balanced type guide uncork structure, it only needs to provide less drive power just can make the pilot valve core move, effectively reduces pilot valve volume, weight, improves the reliability of uncork.
The utility model provides a technical scheme of above-mentioned technical problem is: a balanced type pilot bottle opening structure comprises a valve body, a main valve core and a pilot valve core which are parallel to each other and can axially reciprocate respectively, wherein a main valve control cavity, a main valve input cavity and a main valve output cavity for mounting the main valve core are sequentially arranged in the valve body along the extension direction of the main valve core, and a pilot valve cavity and a pilot valve control cavity for mounting the pilot valve core are sequentially arranged in the valve body along the extension direction of the pilot valve core;
the main valve input cavity is communicated with the gas cylinder and is communicated with a main valve control cavity through a throttling hole arranged on the main valve core, and the main valve control cavity is communicated with the pilot valve cavity through a connecting passage; the pilot valve control cavity is communicated with a detonation cavity on the valve body, and a detonation mechanism is arranged in the detonation cavity.
As a further improvement of the utility model, be located the pilot valve core of pilot valve control intracavity is equipped with the atress step face that divide into epicoele and lower chamber with the pilot valve control chamber on its outer wall, atress step face and pilot valve control intracavity wall sliding seal cooperation.
As a further improvement of the utility model, the epicoele communicates with the chamber of detonating, the lower chamber is equipped with guide's case at its one end of keeping away from the epicoele, be equipped with the guide's spring that is used for promoting guide's case between guide's case and the guide's case terminal surface.
As a further improvement, the pilot valve chamber is provided with an outlet plug at the end thereof far away from the pilot valve control chamber, and an exhaust passage communicated with the outside is arranged on the outlet plug.
As a further improvement of the present invention, a sealing member sleeved on the outer wall of the pilot valve core is arranged between the outlet of the connecting channel located in the pilot valve cavity and the outlet plug, and an air outlet channel with an inlet opened on the side wall and an outlet opened on the end part is arranged on the pilot valve core located between the sealing member and the outlet plug; and a sealing element sleeved on the outer wall of the pilot valve core is also arranged at one end of the pilot valve cavity close to the pilot valve control cavity.
As a further improvement of the present invention, the initiation mechanism includes an electric initiator disposed in the initiation chamber and an electric connector connected to a lead of the electric initiator.
As a further improvement of the present invention, the main valve control chamber is provided with a main valve seat at its end away from the main valve input chamber, a main spring for pushing the main valve core is provided between the main valve seat and the main valve core end face.
As a further improvement of the utility model, be equipped with the first sealing washer of installing on the main valve core between main valve control chamber inner wall and the main valve core outer wall, be equipped with the second sealing washer of installing on the main valve core between main valve output chamber inner wall and the main valve core outer wall.
As a further improvement of the present invention, the main valve core axis is provided with a gas passing passage communicated with the orifice and used for communicating the main valve input chamber and the main valve control chamber.
As a further improvement of the present invention, the main valve output chamber is communicated with the outside through an output port provided on the inner wall thereof, and is located an output passage is provided on the position near the end of the main valve core in the main valve output chamber.
Advantageous effects
Compared with the prior art, the utility model discloses a balanced type guide uncork structure's advantage does:
1. the utility model discloses in, during the non-operating condition, be in lower extreme position at main valve core, the pilot valve core is in last extreme position, makes the product keep encapsulated situation. The high-pressure gas in the gas cylinder is distributed in the whole product inner cavity including the main valve control cavity, the main valve input cavity and the pilot valve cavity through the throttling hole on the main valve core so as to achieve pressure balance. When the bottle needs to be opened and the air needs to be released, the detonating mechanism is electrified, the generated explosion energy enables the pilot valve core to move downwards, a channel between the pilot valve cavity, the main valve control cavity and the outside atmosphere is opened, and the pressure of the pilot valve cavity and the main valve control cavity is instantly reduced. The main valve core moves up rapidly under the action of the pressure of the main valve input cavity, at the moment, the main valve input cavity is communicated with the main valve output cavity, and the high-pressure gas in the gas cylinder is discharged through the main valve output cavity.
In the device, a balanced structure that the pilot valve cavity is communicated with the main valve control cavity and the main valve input cavity is adopted, and the acting force of high-pressure gas is removed, so that the pilot valve core can act only by providing smaller driving force, the volume and the weight of a product can be greatly reduced, and the bottle opening reliability is improved.
2. The initiation mechanism comprises an electric initiator arranged in the initiation cavity and an electric connector connected with a lead of the electric initiator. The electric detonator is used as a driving force to control the motion of the pilot valve core, so that the volume is small and the reliability is high.
The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a cross-sectional view of the present invention in a closed state.
Wherein: 1-a valve body; 11-a main valve control chamber; 12-main valve input chamber; 13-main valve output chamber; 131-an output port; 14-a pilot valve cavity; 15-pilot valve control chamber; 16-a detonation chamber; 2-a gas cylinder; 3-main valve core; 31-orifice; 32-gas passing channel; 33-an output channel; 34-a first sealing ring; 35-a second sealing ring; 4-main valve seat; 4-a main spring; 5-a pilot valve core; 51-an air outlet channel; 52-a seal; 53-force step surface; 6-outlet plug; 61-an exhaust channel; 7-pilot valve core seat; 71-a pilot spring; 8-an electric detonator; 9-electrical connector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus, it should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; of course, mechanical connection and electrical connection are also possible; alternatively, they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Embodiments of the present invention will now be described with reference to the accompanying drawings.
Examples
The specific embodiment of the utility model is as shown in fig. 1, a balanced type guide uncork structure, including valve body 1, parallel and can be along respective axial reciprocating motion's main valve core 3 and pilot valve core 5. A main valve control chamber 11 for mounting the main valve element 3, a main valve input chamber 12, and a main valve output chamber 13 are provided in the valve body 1 in this order along the extending direction of the main valve element 3. A pilot valve cavity 14 and a pilot valve control cavity 15 for installing the pilot valve core 5 are sequentially arranged in the valve body 1 along the extension direction of the pilot valve core 5. The main valve input chamber 12 communicates with the gas cylinder 2 and with the main valve control chamber 11 through an orifice 31 provided on the main spool 3. The main valve control chamber 11 communicates with the pilot valve chamber 14 through a connecting passage. The pilot valve control cavity 15 is communicated with a detonation cavity 16 on the valve body 1, and a detonation mechanism is arranged in the detonation cavity 16.
When the valve is in a non-working state, the main valve core 3 is at the lower limit position, and the pilot valve core 5 is at the upper limit position, so that a product is kept in a sealing state. The high-pressure gas in the gas cylinder 2 is distributed in the whole product inner cavity including the main valve control cavity 11, the main valve input cavity 12 and the pilot valve cavity 14 through the throttling hole 31 on the main valve core 3, so as to achieve pressure balance. When the bottle needs to be opened and the air needs to be released, the detonating mechanism is electrified, the generated explosion energy enables the pilot valve core 5 to move downwards, a channel between the pilot valve cavity 14 and the main valve control cavity 11 and the outside atmosphere is opened, and the pressure of the pilot valve cavity 14 and the main valve control cavity 11 is instantly reduced. The main valve body 3 moves upward rapidly by the pressure in the main valve input chamber 12, and at this time, the main valve input chamber 12 and the main valve output chamber 13 communicate with each other, and the high-pressure gas in the gas cylinder 2 is discharged through the main valve output chamber 13.
In the device, a balanced structure that the pilot valve cavity 14 is communicated with the main valve control cavity 11 and the main valve input cavity 12 is adopted, the acting force of high-pressure gas is removed, and therefore, the pilot valve core 5 can be actuated only by providing small driving force, the volume and the weight of a product can be greatly reduced, and the bottle opening reliability is improved.
Wherein, the pilot valve core 5 positioned in the pilot valve control cavity 15 is provided with a stress step surface 53 on the outer wall thereof, which divides the pilot valve control cavity 15 into an upper cavity and a lower cavity, and the stress step surface 53 is in sliding sealing fit with the inner wall of the pilot valve control cavity 15. The upper cavity is communicated with the detonation cavity 16, the lower cavity is provided with a pilot valve core seat 7 at one end far away from the upper cavity, and a pilot spring 71 used for pushing the pilot valve core 5 is arranged between the pilot valve core seat 7 and the end surface of the pilot valve core 5. The upper chamber is influenced by the pressure expansion in the detonation chamber 16, and pushes the stressed step surface 53 to move downwards, that is, the pilot valve core 5 is stressed to compress the pilot spring 71 and move downwards, so as to open a channel between the pilot valve chamber 14 at the upper part of the pilot valve core 5 and the outside.
Meanwhile, the pilot valve cavity 14 is provided with an outlet plug 6 at one end thereof far away from the pilot valve control cavity 15, and the outlet plug 6 is provided with an exhaust passage 61 communicated with the outside. A sealing element 52 sleeved on the outer wall of the pilot valve core 5 is arranged between the outlet of the connecting channel in the pilot valve cavity 14 and the outlet plug 6. An air outlet channel 51 which is provided with an inlet and an outlet at the end part and is provided with an inlet and an outlet with the side wall is arranged on the pilot valve core 5 between the sealing piece 52 and the outlet plug 6. The pilot valve chamber 14 is also provided with a sealing element 52 sleeved on the outer wall of the pilot valve core 5 at one end close to the pilot valve control chamber 15.
In this embodiment, the initiation mechanism includes an electrical initiator 8 disposed within initiation chamber 16 and an electrical connector 9 wired to electrical initiator 8. The electric detonator 8 is used as a driving force to control the motion of the pilot valve core 5, and the electric detonator is small in size and high in reliability.
Also, the main valve control chamber 11 is provided with a main valve seat 4 at its end remote from the main valve inlet chamber 12. A main spring 41 for pushing the main valve element 3 is arranged between the main valve element seat 4 and the end surface of the main valve element 3.
In this embodiment, a first seal ring 34 mounted on main spool 3 is disposed between the inner wall of main valve control chamber 11 and the outer wall of main spool 3, and a second seal ring 35 mounted on main spool 3 is disposed between the inner wall of main valve output chamber 13 and the outer wall of main spool 3.
Further, a gas passing passage 32 communicating with the orifice 31 for communicating the main valve input chamber 12 and the main valve control chamber 11 is provided at the axial center of the main valve element 3.
The main valve output chamber 13 communicates with the outside through an output port 131 provided on an inner wall thereof, and the main spool 3 located in the main valve output chamber 13 is provided with an output passage 33 near an end thereof.
The present invention has been described above with reference to the preferred embodiments, but the present invention is not limited to the above-disclosed embodiments, and various modifications, equivalent combinations, which are made according to the essence of the present invention, should be covered.
Claims (10)
1. A balanced type pilot bottle opening structure comprises a valve body (1), a main valve core (3) and a pilot valve core (5) which are parallel to each other and can axially reciprocate respectively, and is characterized in that a main valve control cavity (11) for mounting the main valve core (3), a main valve input cavity (12) and a main valve output cavity (13) are sequentially arranged in the valve body (1) along the extension direction of the main valve core (3), and a pilot valve cavity (14) and a pilot valve control cavity (15) for mounting the pilot valve core (5) are sequentially arranged in the valve body (1) along the extension direction of the pilot valve core (5);
the main valve input cavity (12) is communicated with the gas cylinder (2) and is communicated with a main valve control cavity (11) through a throttling hole (31) arranged on the main valve core (3), and the main valve control cavity (11) is communicated with a pilot valve cavity (14) through a connecting passage; the pilot valve control cavity (15) is communicated with an initiating explosion cavity (16) on the valve body (1), and an initiating explosion mechanism is arranged in the initiating explosion cavity (16).
2. The balanced pilot bottle opening structure according to claim 1, wherein the pilot valve core (5) located in the pilot valve control chamber (15) is provided with a force step surface (53) on the outer wall thereof, which divides the pilot valve control chamber (15) into an upper chamber and a lower chamber, and the force step surface (53) is in sliding sealing fit with the inner wall of the pilot valve control chamber (15).
3. The balanced pilot bottle opening structure according to claim 2, wherein the upper chamber is communicated with the detonation chamber (16), the lower chamber is provided with a pilot valve core seat (7) at one end far away from the upper chamber, and a pilot spring (71) for pushing the pilot valve core (5) is arranged between the pilot valve core seat (7) and the end face of the pilot valve core (5).
4. The balanced pilot bottle opening structure according to claim 1, wherein the pilot valve cavity (14) is provided with an outlet plug (6) at an end thereof away from the pilot valve control cavity (15), and the outlet plug (6) is provided with a vent passage (61) communicated with the outside.
5. The balanced pilot bottle opening structure according to claim 4, wherein a sealing element (52) sleeved on the outer wall of the pilot valve core (5) is arranged between the outlet and the outlet plug (6) of the connecting passage in the pilot valve cavity (14), and an air outlet passage (51) with an inlet opened to the side wall and an outlet opened to the end part is arranged on the pilot valve core (5) between the sealing element (52) and the outlet plug (6); and a sealing element (52) sleeved on the outer wall of the pilot valve core (5) is also arranged at one end of the pilot valve cavity (14) close to the pilot valve control cavity (15).
6. The balanced pilot bottle opening structure according to claim 1, wherein the initiation mechanism comprises an electric initiator (8) disposed in the initiation chamber (16) and an electrical connector (9) wired to the electric initiator (8).
7. A balanced pilot bottle opening arrangement according to claim 1, characterized in that the main valve control chamber (11) is provided with a main valve core seat (4) at its end remote from the main valve input chamber (12), and a main spring (41) for urging the main valve core (3) is provided between the main valve core seat (4) and the end face of the main valve core (3).
8. The balanced pilot bottle opening structure according to claim 1, wherein a first sealing ring (34) mounted on the main valve plug (3) is disposed between the inner wall of the main valve control chamber (11) and the outer wall of the main valve plug (3), and a second sealing ring (35) mounted on the main valve plug (3) is disposed between the inner wall of the main valve output chamber (13) and the outer wall of the main valve plug (3).
9. The balanced pilot bottle opening structure according to claim 1, wherein the main valve core (3) is provided at its axial center with a gas passing passage (32) communicating with the orifice (31) for communicating the main valve input chamber (12) with the main valve control chamber (11).
10. A balanced pilot bottle opening structure according to claim 1, characterized in that said main valve output chamber (13) communicates with the outside through an output port (131) provided on its inner wall, and a main valve spool (3) located in said main valve output chamber (13) is provided with an output passage (33) near its end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022365080.4U CN213394609U (en) | 2020-10-21 | 2020-10-21 | Balanced type guide bottle opening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022365080.4U CN213394609U (en) | 2020-10-21 | 2020-10-21 | Balanced type guide bottle opening structure |
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| Publication Number | Publication Date |
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| CN213394609U true CN213394609U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022365080.4U Active CN213394609U (en) | 2020-10-21 | 2020-10-21 | Balanced type guide bottle opening structure |
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| CN (1) | CN213394609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893602A (en) * | 2022-04-27 | 2022-08-12 | 西安航天动力研究所 | Electric explosion-gas explosion combined isolating valve and control method thereof |
| CN116293432A (en) * | 2023-04-24 | 2023-06-23 | 江西亚瑞科技有限责任公司 | Onboard high-pressure helium bottle valve system |
-
2020
- 2020-10-21 CN CN202022365080.4U patent/CN213394609U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893602A (en) * | 2022-04-27 | 2022-08-12 | 西安航天动力研究所 | Electric explosion-gas explosion combined isolating valve and control method thereof |
| CN116293432A (en) * | 2023-04-24 | 2023-06-23 | 江西亚瑞科技有限责任公司 | Onboard high-pressure helium bottle valve system |
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