CN210265915U - Safety air-tight device - Google Patents
Safety air-tight device Download PDFInfo
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- CN210265915U CN210265915U CN201920829679.3U CN201920829679U CN210265915U CN 210265915 U CN210265915 U CN 210265915U CN 201920829679 U CN201920829679 U CN 201920829679U CN 210265915 U CN210265915 U CN 210265915U
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Abstract
The utility model discloses a safe airtight device, include: the sealing device comprises a body, wherein a first cavity and a second cavity are arranged in the body, a connector is arranged at the bottom of the body, a first annular plate is arranged at one end, close to the connector, of the first cavity, a second annular plate is arranged at one end, close to the second cavity, of the first cavity, a second vent hole is formed in the second annular plate, a first spring is fixedly arranged on the first annular plate, a push rod is fixedly connected to one end, away from the first annular plate, of the first spring, a sealing plug is arranged at one end, away from the first spring, of the push rod, a threaded through hole is formed in the top of the body, an ejector pin bolt is arranged in the threaded through hole, the sealing plug is abutted against the second vent hole under the action of the first spring to form sealing, when the sealing device needs to be opened, the ejector pin bolt is rotated downwards to push the sealing plug to move downwards, so that the first cavity and the second cavity, is very safe.
Description
Technical Field
The application relates to the technical field of gas cylinder sealing, in particular to a safe airtight device.
Background
The gas cylinder is a movable pressure container which can be repeatedly inflated and used for containing gas under normal environment, the gas cylinder is widely applied, the gas cylinder can not be opened almost no matter in the production field or the life field, the gas cylinder is used as pressure-bearing equipment, a medium contained in the gas cylinder generally has the properties of flammability, explosiveness, toxicity, strong corrosion and the like, and once leakage occurs, serious accidents can be caused. In the existing airtight device, because long-time friction between the valve body and the valve seat easily generates a gap, thereby causing medium leakage and being very dangerous, the problem to be solved is urgently needed to provide a safe airtight device with good sealing performance.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a safe airtight device to solve among the prior art airtight device problem of leaking takes place easily.
A safety gas-tight device comprising: the connector comprises a body, wherein a first cavity and a second cavity are arranged in the body, the first cavity is communicated with the second cavity, the first cavity is vertical to the second cavity, and a connector is arranged at the bottom of the body and communicated with the first cavity;
a first annular plate is arranged at one end, close to the connector, of the first cavity, a first vent hole is formed in the first annular plate, a second annular plate is arranged at one end, close to the second cavity, of the first cavity, a second vent hole is formed in the second annular plate, a first spring is fixedly arranged on the first annular plate, a push rod is fixedly connected to one end, far away from the first annular plate, of the first spring, a sealing plug is arranged at one end, far away from the first spring, of the push rod, the sealing plug is matched with the second vent hole, and the diameter of one end, close to the push rod, of the sealing plug is larger than that of one end, far away from the push rod;
the top of body is provided with the screw thread through-hole, be provided with ejector pin bolt in the screw thread through-hole, ejector pin bolt with screw thread through-hole looks adaptation, the cover is equipped with the preforming on the ejector pin bolt, the preforming with be provided with several second spring before the body, the second spring with ejector pin bolt is central evenly distributed, the preforming with ejector pin bolt keeps away from the one end of sealing plug offsets.
Optionally, the number of the second springs is four.
Optionally, a pushing sheet is arranged at one end of the ejector bolt close to the sealing plug, and the area of the pushing sheet is smaller than the area of the end face of the sealing plug close to one end of the pushing sheet.
Optionally, the connecting head is provided with an external thread.
Optionally, an internal thread is arranged at one end of the second cavity far away from the first cavity.
The application provides a safe airtight device, a first cavity and a second cavity are arranged in a body, a connector is arranged at the bottom of the body, a first annular plate is arranged at one end, close to the connector, of the first cavity, a first air vent is formed in the first annular plate, a second annular plate is arranged at one end, close to the second cavity, of the first cavity, a second air vent is formed in the second annular plate, a first spring is fixedly arranged on the first annular plate, a push rod is fixedly connected to one end, far away from the first annular plate, of the first spring, a sealing plug is arranged at one end, far away from the first spring, of the push rod, a threaded through hole is formed in the top of the body, a thimble bolt is arranged in the threaded through hole, a jacking sheet is sleeved on the thimble bolt, a plurality of second springs are arranged in front of the jacking sheet and the body, and; the stopper supports under the effect of first spring, on the second vent, form sealedly, make the safe airtight device that this application provided be in the closed condition, when needs are opened, down rotate thimble bolt, and then promote the sealing plug and move down, make first cavity and second cavity communicate each other, the leakage problem that leads to because the gap that the friction produced can effectively be solved to this kind of structure, and simultaneously, thimble bolt is under the effect of second spring, receive the ascending power that the second spring produced, can closely cooperate with the screw thread through-hole, can further prevent the emergence of leakage phenomenon, and is very safe.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic structural diagram of a safety airtight device according to an embodiment of the present application.
Illustration of the drawings: 1-body, 2-connector, 3-first ring plate, 4-second ring plate, 5-first spring, 6-push rod, 7-sealing plug, 8-ejector pin bolt, 9-ejector plate, 11-first cavity, 12-second cavity, 13-threaded through hole, 21-external thread, 31-first vent, 41-second vent, 81-push plate, 91-second spring and 121-internal thread.
Detailed Description
Examples
Referring to fig. 1, a safety airtight device provided in an embodiment of the present application includes: the body 1 is provided with a first cavity 11 and a second cavity 12 in the body 1, the first cavity 11 is communicated with the second cavity 12, the first cavity 11 is vertical to the second cavity 12, the bottom of the body 1 is provided with a connector 2, and the connector 2 is communicated with the first cavity 11.
One end of the first cavity 11 close to the connector 2 is provided with a first annular plate 3, the first annular plate 3 is provided with a first vent 31, one end of the first cavity 11 close to the second cavity 12 is provided with a second annular plate 4, the second annular plate 4 is provided with a second vent 41, the first annular plate 3 is fixedly provided with a first spring 5, one end of the first annular plate 3 is far away from the first spring 5 is fixedly connected with a push rod 6, one end of the push rod 6 far away from the first spring 5 is provided with a sealing plug 7, the sealing plug 7 is matched with the second vent 41, the diameter of the sealing plug 7 close to one end of the push rod 6 is larger than the diameter of one end of the push rod 6.
The top of body 1 is provided with screw thread through-hole 13, is provided with ejector pin bolt 8 in the screw thread through-hole 13, and ejector pin bolt 8 and screw thread through-hole 13 looks adaptation are equipped with ejector plate 9 on the ejector pin bolt 8 cover, are provided with several second spring 91 before ejector plate 9 and the body 1, and second spring 91 uses ejector pin bolt 8 as central evenly distributed, and ejector plate 9 offsets with the one end that sealing plug 7 was kept away from to ejector pin bolt 8.
Alternatively, the number of the second springs 91 is four.
Optionally, a pushing sheet 81 is disposed at one end of the thimble bolt 8 close to the sealing plug 7, an area of the pushing sheet 81 is smaller than an area of the sealing plug 7 close to an end face of the pushing sheet 81, and the pushing sheet 81 can uniformly transmit pressure to prevent the sealing plug 7 from deflecting when moving.
Optionally, the connector 2 is provided with an external thread 21.
Optionally, the second cavity 12 is provided with an internal thread 121 at an end thereof remote from the first cavity 11.
The specific working principle is that, the sealing plug 7 is supported on the second vent 41 under the effect of the first spring 5, sealing is formed, the safety air-tight device provided by the application is in a closed state, when the safety air-tight device is required to be opened, the thimble bolt 8 is downwards rotated, and the sealing plug 7 is further pushed to downwards move, the first cavity 11 is communicated with the second cavity 12, the structure can effectively solve the leakage problem caused by the gap generated by friction, meanwhile, the thimble bolt 8 is under the effect of the second spring 91 and is subjected to the upward force generated by the second spring 91, and the thimble bolt can be tightly matched with the thread through hole 13, so that the leakage phenomenon can be further prevented, and the safety air-tight device is very safe.
According to the technical scheme, the safety airtight device provided by the embodiment of the application is characterized in that the body 1 is internally provided with the first cavity 11 and the second cavity 12, the bottom of the body 1 is provided with the connector 2, one end of the first cavity 11 close to the connector 2 is provided with the first annular plate 3, the first annular plate 3 is provided with the first vent 31, one end of the first cavity 11 close to the second cavity 12 is provided with the second annular plate 4, the second annular plate 4 is provided with the second vent 41, the first annular plate 3 is fixedly provided with the first spring 5, one end of the first spring 5 far away from the first annular plate 3 is fixedly connected with the push rod 6, one end of the push rod 6 far away from the first spring 5 is provided with the sealing plug 7, the top of the body 1 is provided with the threaded through hole 13, the threaded through hole 13 is internally provided with the thimble bolt 8, the thimble bolt 8 is sleeved with the jacking sheet 9, the jacking sheet 9 and the body 1 are provided with the second, the ejector plate 9 is abutted against one end of the ejector bolt 8 far away from the sealing plug 7; sealing plug 7 supports under first spring 5's effect on second vent 41, form sealedly, make the safe sealing device that this application provided be in the closed condition, when needs are opened, downwards rotate thimble bolt 8, and then promote sealing plug 7 downstream, make first cavity 11 and second cavity 12 communicate each other, the leakage problem that leads to because the gap that the friction produced can effectively be solved to this kind of structure, and simultaneously, thimble bolt 8 receives the ascending power that second spring 91 produced under second spring 91's effect, can closely cooperate with screw through-hole 13, can further prevent the emergence of leakage phenomenon, and is very safe.
In particular, the drawings are only schematic, and for convenience of explanation and explanation of the technical solutions, in the same drawings, a part of the structure is processed by a section, a part of the structure is not processed by a section for convenience of presentation, and in the case that a person skilled in the art can implement the technical solutions by technical means commonly used in the art, a part of the structure not affecting the technical solutions is omitted.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
The above embodiments of the present application do not limit the scope of the present application.
Claims (5)
1. A safety airtight device, characterized by comprising: the connector comprises a body (1), wherein a first cavity (11) and a second cavity (12) are arranged in the body (1), the first cavity (11) is communicated with the second cavity (12), the first cavity (11) is perpendicular to the second cavity (12), a connector (2) is arranged at the bottom of the body (1), and the connector (2) is communicated with the first cavity (11);
one end of the first cavity (11) close to the connector (2) is provided with a first annular plate (3), a first vent hole (31) is arranged on the first annular plate (3), a second annular plate (4) is arranged at one end of the first cavity (11) close to the second cavity (12), a second vent hole (41) is arranged on the second annular plate (4), a first spring (5) is fixedly arranged on the first annular plate (3), one end of the first spring (5) far away from the first annular plate (3) is fixedly connected with a push rod (6), a sealing plug (7) is arranged at one end of the push rod (6) far away from the first spring (5), the sealing plug (7) is matched with the second vent (41), and the diameter of one end, close to the push rod (6), of the sealing plug (7) is larger than that of one end, far away from the push rod (6);
the top of body (1) is provided with screw thread through-hole (13), be provided with thimble bolt (8) in screw thread through-hole (13), thimble bolt (8) with screw thread through-hole (13) looks adaptation, the cover is equipped with ejector pad (9) on thimble bolt (8), ejector pad (9) with body (1) is provided with several second spring (91) before, second spring (91) with thimble bolt (8) are central evenly distributed, ejector pad (9) with thimble bolt (8) is kept away from the one end of sealing plug (7) offsets.
2. A safety gas-tight device according to claim 1, wherein the number of said second springs (91) is four.
3. A safety and gas-tight device according to claim 1, wherein a pushing piece (81) is provided at one end of the ejector bolt (8) close to the sealing plug (7), and the area of the pushing piece (81) is smaller than the area of the end surface of the sealing plug (7) close to one end of the pushing piece (81).
4. A safety seal according to claim 1, wherein the coupling head (2) is provided with an external thread (21).
5. A safety gas-tight arrangement according to claim 1, characterized in that the second cavity (12) is provided with an internal thread (121) at the end remote from the first cavity (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829679.3U CN210265915U (en) | 2019-06-03 | 2019-06-03 | Safety air-tight device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829679.3U CN210265915U (en) | 2019-06-03 | 2019-06-03 | Safety air-tight device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210265915U true CN210265915U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920829679.3U Active CN210265915U (en) | 2019-06-03 | 2019-06-03 | Safety air-tight device |
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|---|---|
| CN (1) | CN210265915U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551402A (en) * | 2020-04-24 | 2020-08-18 | 核工业北京化工冶金研究院 | Infusion tube free-state gas radon gas collection device |
| CN112098101A (en) * | 2020-09-23 | 2020-12-18 | 常州大学 | Pressure relief and gas collection device for constant volume combustion bomb |
| CN115227999A (en) * | 2022-07-07 | 2022-10-25 | 浙江中辰城市应急服务管理有限公司 | Multiple filtered smoke mask of washing gas |
-
2019
- 2019-06-03 CN CN201920829679.3U patent/CN210265915U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551402A (en) * | 2020-04-24 | 2020-08-18 | 核工业北京化工冶金研究院 | Infusion tube free-state gas radon gas collection device |
| CN111551402B (en) * | 2020-04-24 | 2023-09-08 | 核工业北京化工冶金研究院 | Free state gas radon collecting device of infusion tube |
| CN112098101A (en) * | 2020-09-23 | 2020-12-18 | 常州大学 | Pressure relief and gas collection device for constant volume combustion bomb |
| CN115227999A (en) * | 2022-07-07 | 2022-10-25 | 浙江中辰城市应急服务管理有限公司 | Multiple filtered smoke mask of washing gas |
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