CN216555872U - Quick breaker - Google Patents
Quick breaker Download PDFInfo
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- CN216555872U CN216555872U CN202120872558.4U CN202120872558U CN216555872U CN 216555872 U CN216555872 U CN 216555872U CN 202120872558 U CN202120872558 U CN 202120872558U CN 216555872 U CN216555872 U CN 216555872U
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- valve body
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Abstract
The quick breaker can solve the problem that action is blocked and cannot be sealed due to the fact that valve cores of a plug and a socket are difficult to extrude into an O-shaped ring when the quick breaker is separated, can be achieved instantly when the quick breaker is communicated with a cutoff pipeline, and is reliable in performance. The socket also comprises an improved valve core (8) which is provided with a cylinder part and a top part, wherein a spring (4) is arranged on the inner side wall of the cylinder part, the outer side wall of the cylinder part moves in the socket valve body and is provided with a hole close to the top part, the hole is communicated with the expanded groove of the socket valve body, the outer diameter of the top part is the same as that of the cylinder part, a T-shaped flow passage hole (9) is arranged in the top part, and the T-shaped flow passage hole is provided with a horizontal channel (91) and a vertical channel (92) which are communicated; the plug also includes a modified valve cartridge (8).
Description
Technical Field
The utility model relates to the technical field of rocket control, in particular to a quick breaker.
Background
The quick breaker is a device for realizing liquid propellant conveying of a rocket. As shown in fig. 1, the quick breaker includes a socket and a plug, the socket includes a socket valve body 1a, a bonnet 2, a valve core 3, a spring 4, a first O-ring 5, a second O-ring 6, and a third O-ring 7, and the plug includes a plug valve body 1b, a bonnet 2, a valve core 3, a spring 4, a first O-ring 5, and a second O-ring 6.
In an initial state, the quick breaker is arranged between a third-stage cabin section and a fourth-stage cabin section of the rocket engine and ascends along with the rocket. The flange of the quick breaker socket is fixed on the four-stage engine, and the flange of the plug is fixed on the three-stage engine. When the quick breaker plug and the socket are installed, the top of the valve core 3 of the plug and the top of the valve core 3 of the socket are in contact stress, the spring 4 of the plug and the spring 4 of the socket are compressed, the outer diameter of each valve core 3 is separated from the inner diameter of the second O-shaped ring 6, the pipelines of the quick breaker are communicated, and a medium (liquid propellant) can flow in from an inlet on the left side of the socket and flow out from an outlet on the right side of the plug, as shown in fig. 2. The four-stage engine pipeline and the three-stage engine pipeline are respectively and correspondingly connected with the inlet end and the outlet end of the quick breaker, so that the liquid propellant is conveyed. After the outer diameter of the valve core 3 is separated from the inner diameter of the second O-shaped ring 6, the second O-shaped ring 6 is in a free and uncompressed state.
As shown in fig. 3, when the plug of the quick-break device is separated from the socket, the outer diameter of the valve core 3 must be squeezed into the inner diameter of the second O-ring 6 under the action of the spring force and the medium force to form a seal. The process of squeezing into, the process that O shape circle takes place to warp in fact not only needs certain time, if be in unfavorable time because of factors such as lubrication and environment moreover, often can cause the action jamming, makes case 3 can not squeeze into second O shape circle 6 smoothly until reseing to the working property of ware soon is cut off in the influence.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a quick breaker which can solve the problem that the quick breaker cannot be sealed due to action clamping stagnation caused by the difficulty of extruding valve cores of a plug and a socket into an O-shaped ring when the quick breaker is separated, can be realized instantly when the quick breaker is communicated with a cut-off pipeline, and has reliable performance.
The technical scheme of the utility model is as follows: the quick breaker comprises a socket and a plug, wherein the socket comprises a socket valve body (1a), a valve cover (2), a spring (4), a first O-shaped ring (5), a second O-shaped ring (6) and a third O-shaped ring (7), the plug comprises a plug valve body (1b), a valve cover (2), a spring (4), a first O-shaped ring (5) and a second O-shaped ring (6),
the socket also comprises an improved valve core (8) which is provided with a cylinder part and a top part, wherein a spring (4) is arranged on the inner side wall of the cylinder part, the outer side wall of the cylinder part moves in the socket valve body and is provided with a hole close to the top part, the hole is communicated with the expanded groove of the socket valve body, the outer diameter of the top part is the same as that of the cylinder part, a T-shaped flow passage hole (9) is arranged in the top part, and the T-shaped flow passage hole is provided with a horizontal channel (91) and a vertical channel (92) which are communicated; the plug also comprises an improved valve core (8) which is provided with a cylinder part and a top part, wherein a spring (4) is arranged on the inner side wall of the cylinder part, the outer side wall of the cylinder part moves in the plug valve body and is provided with a hole close to the top part, the hole is communicated with the expanded groove of the plug valve body, the outer diameter of the top part is the same as that of the cylinder part, a T-shaped flow passage hole (9) is arranged in the top part, and the T-shaped flow passage hole is provided with a horizontal channel (91) and a vertical channel (92) which are communicated; when the socket and the plug are in an installation state, the top of the valve core of the plug and the top of the valve core of the socket are in contact stress, the springs of the plug and the socket are compressed, the horizontal channel of the plug is communicated with the horizontal channel of the socket, the vertical channel (92) of the socket is communicated with the expanded groove of the socket valve body, and the vertical channel (92) of the plug is communicated with the expanded groove of the socket valve body
Communicated with the expanding groove of the plug valve body, so that the pipeline of the quick breaker is communicated;
when the socket and the plug are in a separated state, under the action of spring force and medium force, the vertical channel (92) of the socket is far away from the groove expanding of the socket valve body, and the vertical channel (92) of the plug is far away from the groove expanding of the plug valve body and communicated with each other, so that the pipeline of the quick breaker is closed.
When the socket and the plug are in an installation state, the plug is in contact with the top of the valve core of the socket to bear force, the springs of the plug and the socket are compressed, the horizontal channel of the plug is communicated with the horizontal channel of the socket, the vertical channel of the socket is communicated with the expanded groove of the socket valve body, and the vertical channel of the plug is communicated with the expanded groove of the plug valve body, so that the pipelines of the quick breaker are communicated; when the socket and the plug are in a separated state, under the action of spring force and medium force, the vertical channel of the socket is far away from the expanded groove of the socket valve body, and the vertical channel of the plug is far away from the expanded groove of the plug valve body and communicated with the expanded groove, so that the pipeline of the quick breaker is closed; because the top part is the same as the outer diameter of the cylinder part, the inner diameter of the second O-shaped ring is always contacted with the outer diameter of the valve core and keeps a compressed state, and the second O-shaped ring does not deform, so that the problem that the quick breaker cannot be sealed due to action clamping stagnation caused by difficulty in extruding the valve cores of the plug and the socket into the O-shaped ring during separation can be solved, the required time is not slow any more from being communicated with a cut-off pipeline, the quick breaker can be realized instantly, and the performance is reliable.
Drawings
Fig. 1 is a schematic view of a receptacle plug of a prior art quick disconnect.
Fig. 2 is a schematic view of a state of installation of a receptacle plug of a prior art quick-disconnect.
Fig. 3 is a schematic diagram of a state in which a receptacle and a plug of a prior art quick-disconnect are separated.
Fig. 4 is a schematic view of a receptacle plug of the quick disconnect according to the present invention.
Fig. 5 is a schematic view of a state in which a jack plug of the quick-disconnect according to the present invention is mounted.
Fig. 6 is a schematic view of a socket plug separated state of the quick disconnect according to the present invention.
Detailed Description
As shown in fig. 4 to 6, the quick breaker comprises a socket and a plug, wherein the socket comprises a socket valve body 1a, a valve cover 2, a spring 4, a first O-ring 5, a second O-ring 6 and a third O-ring 7, the plug comprises a plug valve body 1b, a valve cover 2, a spring 4, a first O-ring 5 and a second O-ring 6,
the socket also comprises an improved valve core 8 which is provided with a cylinder part and a top part, wherein the inner side wall of the cylinder part is provided with a spring 4, the outer side wall of the cylinder part moves in the socket valve body and is provided with a hole close to the top part, the hole is communicated with the expanded groove of the socket valve body, the outer diameter of the top part is the same as that of the cylinder part, a T-shaped flow passage hole 9 is arranged in the top part, and the T-shaped flow passage hole is provided with a horizontal passage 91 and a vertical passage 92 which are communicated;
the plug also comprises an improved valve core 8 which is provided with a cylinder part and a top part, wherein the inner side wall of the cylinder part is provided with a spring 4, the outer side wall of the cylinder part moves in the plug valve body and is provided with a hole close to the top part, the hole is communicated with an expanded groove of the plug valve body, the outer diameter of the top part is the same as that of the cylinder part, a T-shaped runner hole 9 is arranged in the top part, and the T-shaped runner hole is provided with a horizontal channel 91 and a vertical channel 92 which are communicated;
when the socket and the plug are in an installation state, the plug is in contact with the top of the valve core of the socket to bear force, the springs of the plug and the socket are compressed, the horizontal channel of the plug is communicated with the horizontal channel of the socket, the vertical channel 92 of the socket is communicated with the expanded groove of the socket valve body, and the vertical channel 92 of the plug is communicated with the expanded groove of the plug valve body, so that the pipelines of the quick breaker are communicated;
when the socket and the plug are in a separated state, under the action of spring force and medium force, the vertical channel 92 of the socket is far away from the groove expanding of the socket valve body, and the vertical channel 92 of the plug is far away from the groove expanding of the plug valve body and communicated, so that the pipeline of the quick breaker is closed.
When the socket and the plug are in an installation state, the plug is in contact with the top of the valve core of the socket to bear force, the springs of the plug and the socket are compressed, the horizontal channel of the plug is communicated with the horizontal channel of the socket, the vertical channel of the socket is communicated with the expanded groove of the socket valve body, and the vertical channel of the plug is communicated with the expanded groove of the plug valve body, so that the pipelines of the quick breaker are communicated; when the socket and the plug are in a separated state, under the action of spring force and medium force, the vertical channel of the socket is far away from the expanded groove of the socket valve body, and the vertical channel of the plug is far away from the expanded groove of the plug valve body and communicated with the expanded groove, so that the pipeline of the quick breaker is closed; because the top part is the same as the outer diameter of the cylinder part, the inner diameter of the second O-shaped ring is always contacted with the outer diameter of the valve core and keeps a compressed state, the second O-shaped ring has no deformation process, the problem that the quick breaker cannot be sealed due to action clamping stagnation caused by the difficulty of extruding the valve cores of the plug and the socket into the O-shaped ring during separation can be solved, the required time is not slow any more from being communicated with a cut-off pipeline, the quick breaker can be realized instantly, and the performance is reliable.
Preferably, the horizontal passage 91 has an inner diameter larger than that of the vertical passage 92. The design can ensure that the liquid propellant has no local congestion phenomenon in the conveying process.
The working principle of the utility model is as follows:
the quick breaker is arranged between the third-stage cabin section and the fourth-stage cabin section of the rocket engine in an initial state and ascends along with the rocket. The flange of the quick breaker socket is fixed on the four-stage engine, and the flange of the plug is fixed on the three-stage engine. After the quick breaker is installed, the plug and the socket are in an opening state, the valve core is separated from the sealing surface of the valve seat, a medium enters from the inlet on the left side of the socket, flows through the inside of the cavity of the socket and the plug and flows out from the outlet on the right side of the plug, and the structure is shown in figure 5. The four-stage engine pipeline and the three-stage engine pipeline are respectively and correspondingly connected with the inlet end and the outlet end of the quick breaker, so that the liquid propellant is conveyed.
When the third stage and the fourth stage are separated, the socket and the plug are gradually separated, the sealing surfaces of the two valve cores are rapidly attached to the sealing surface of the valve seat respectively under the combined action of the spring force and the medium force, the socket and the plug are rapidly closed, and the medium in a pipeline is cut off to flow out, as shown in fig. 6.
When the third-stage engine and the fourth-stage engine of the rocket are separated, the pipeline which needs to convey the propellant is cut off rapidly, and the two ends of the pipeline are sealed rapidly.
Compared with the prior art, the utility model has the advantages that:
1. the structure of the quick breaker in the prior art is changed, the breaking delay caused by the blockage of the sealing element is reduced, and the quick breaking speed is improved.
2. The quick breaker has reliable working performance, and the rocket is in a risk-free running state.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications, equivalent variations and modifications made on the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (2)
1. The utility model provides a quick-break device, includes socket and plug, and the socket includes socket valve body (1a), valve gap (2), spring (4), first O shape circle (5), second O shape circle (6), third O shape circle (7), and the plug includes plug valve body (1b), valve gap (2), spring (4), first O shape circle (5), second O shape circle (6), its characterized in that:
the socket also comprises an improved valve core (8) which is provided with a cylinder part and a top part, wherein a spring (4) is arranged on the inner side wall of the cylinder part, the outer side wall of the cylinder part moves in the socket valve body and is provided with a hole close to the top part, the hole is communicated with the expanded groove of the socket valve body, the outer diameter of the top part is the same as that of the cylinder part, a T-shaped flow passage hole (9) is arranged in the top part, and the T-shaped flow passage hole is provided with a horizontal channel (91) and a vertical channel (92) which are communicated; the plug also comprises an improved valve core (8) which is provided with a cylinder part and a top part, wherein a spring (4) is arranged on the inner side wall of the cylinder part, the outer side wall of the cylinder part moves in the plug valve body and is provided with a hole close to the top part, the hole is communicated with the expanded groove of the plug valve body, the outer diameter of the top part is the same as that of the cylinder part, a T-shaped flow passage hole (9) is arranged in the top part, and the T-shaped flow passage hole is provided with a horizontal channel (91) and a vertical channel (92) which are communicated; when the socket and the plug are in an installation state, the top of the valve core of the plug and the top of the valve core of the socket are in contact stress, the springs of the plug and the socket are compressed, the horizontal channel of the plug is communicated with the horizontal channel of the socket, the vertical channel (92) of the socket is communicated with the expanded groove of the socket valve body, and the vertical channel (92) of the plug is communicated with the expanded groove of the plug valve body, so that the pipelines of the quick breaker are communicated;
when the socket and the plug are in a separated state, under the action of spring force and medium force, the vertical channel (92) of the socket is far away from the groove expanding of the socket valve body, and the vertical channel (92) of the plug is far away from the groove expanding of the plug valve body and communicated with each other, so that the pipeline of the quick breaker is closed.
2. The quick disconnect of claim 1, wherein: the horizontal passage (91) has an inner diameter larger than that of the vertical passage (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120872558.4U CN216555872U (en) | 2021-04-26 | 2021-04-26 | Quick breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120872558.4U CN216555872U (en) | 2021-04-26 | 2021-04-26 | Quick breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216555872U true CN216555872U (en) | 2022-05-17 |
Family
ID=81536412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120872558.4U Active CN216555872U (en) | 2021-04-26 | 2021-04-26 | Quick breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216555872U (en) |
-
2021
- 2021-04-26 CN CN202120872558.4U patent/CN216555872U/en active Active
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