CN106895258B - Carbon dioxide gas cylinder filling joint with high sealing performance - Google Patents
Carbon dioxide gas cylinder filling joint with high sealing performance Download PDFInfo
- Publication number
- CN106895258B CN106895258B CN201710257838.2A CN201710257838A CN106895258B CN 106895258 B CN106895258 B CN 106895258B CN 201710257838 A CN201710257838 A CN 201710257838A CN 106895258 B CN106895258 B CN 106895258B
- Authority
- CN
- China
- Prior art keywords
- movable rod
- connector body
- cavity
- joint
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 238000007789 sealing Methods 0.000 title claims abstract description 40
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 36
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005429 filling process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/06—Closures, e.g. cap, breakable member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
Abstract
The utility model discloses a filling joint of a carbon dioxide gas cylinder with high sealing performance, and relates to a filling joint. The utility model comprises a joint body, a joint and a movable rod, wherein a joint body cavity matched with the left end part of the movable rod is arranged in the joint body, the left end of the movable rod is provided with a head part extending out of the joint body cavity, the inside of the movable rod is provided with an inner cavity, the left end of the movable rod is provided with a through hole on a sealing contact surface with the joint body, the opening and closing state of the through hole is controlled by the relative displacement of the movable rod in the joint body, the right end of the movable rod is connected with the joint, and the inside of the joint is provided with a joint cavity communicated with the inner cavity and an air inlet of the air storage bottle. The through hole capable of communicating the inner cavity with the inflating device is arranged on the sealing contact surface of the movable rod with the connector body, the movable rod is in surface contact with the connector body, the sealing performance is better, and the operation is more reliable; the utility model has the characteristics of strong universality, wide application range, simple structure, convenient manufacture, high filling efficiency and the like.
Description
Technical Field
The utility model relates to a filling joint of a carbon dioxide gas cylinder, in particular to a filling joint of a carbon dioxide gas cylinder with strong sealing performance.
Background
In the filling process of the carbon dioxide gas cylinder, one end of the filling joint is connected with the busbar, the filling joint is arranged on the filling clamp, and the filling clamp is connected to the carbon dioxide gas cylinder, so that the other end of the filling joint is connected with the air inlet valve of the carbon dioxide gas cylinder, and the air filling can be realized. The carbon dioxide gas cylinders can be sequentially filled by arranging the filling connectors on different gas storage tanks. In this process, in order to avoid gas waste, a ball valve is often installed on the filling fixture, and when one carbon dioxide gas cylinder is filled, the ball valve is closed by manual operation, and then the filling fixture is detached to prepare for the next filling process. The filling process needs frequent operation ball valve, influences production efficiency, and the ball valve also can be aggravated because of using frequently and wearing and tearing to lead to gas leakage, cause the wasting of resources, cause very big potential safety hazard, and the polluted environment.
Through inquiry, the utility model patent with the prior patent application number of CN201220397300.4 is found, the date of the grant notice is 2013, 2 months and 20 days, and the patent name is: and (5) filling the joint. The application includes a connector body having an inner cavity and open at both ends, a one-way valve for controlling fluid flow or disconnection, and a control structure for controlling the one-way valve to open or close, the one-way valve and the control structure being mounted in the inner cavity. When the inflation is finished, the gas storage bottle does not exert force on the ejector head any more, the ejector rod and the ejector head are loosened, and the ejector rod is blocked by the clamping protrusion, so that the ejector head and the ejector rod cannot be separated from the joint main body, the sealing steel ball is tightly pressed against the sealing gasket under the action of the back pressure of the gas in the spring and the filling hose, and the gas path is cut off, so that the gas is closed in the filling hose. The application has realized filling the function combination of joint and ball valve, fills the joint and can self-closing after inflating, and it is comparatively convenient to use. However, this filling joint has the following problems:
1. the air charging hose needs to be provided with a matching part which is propped against the spring of the charging connector at the joint of the air charging hose and the charging connector, and the air storage bottle needs to be provided with a specific structure at the joint of the air storage bottle and the charging connector so as to be matched with the plug of the charging connector, in other words, the charging connector needs to be matched with the air charging device and the air bottle with the specific structures for use, so that the air charging connector has great limitation in use and small application range.
2. The filling joint is sealed by adopting the cooperation between the steel ball and the gasket, the cooperation part of the steel ball and the gasket is only in line contact, the sealing performance is poor, the filling joint is likely to leak when being closed, and the working is unreliable.
3. The filling joint has the advantages of complex structure, multiple parts and higher production cost.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model aims to overcome the defects of the existing filling joint and provide a carbon dioxide gas cylinder filling joint with strong sealing performance. By adopting the technical scheme of the utility model, the through hole which can be communicated with the inner cavity and the air charging device is arranged on the sealing contact surface of the movable rod and the connector body, the movable rod is in surface contact with the connector body, the sealing performance is better, the work is more reliable, the universality is strong, the application range is wider, the structure is simple, the manufacture is convenient, and the production cost is greatly reduced.
2. Technical proposal
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the utility model relates to a high-tightness carbon dioxide gas cylinder filling connector, which comprises a connector body, a connector and a movable rod, wherein a connector body cavity matched with the left end part of the movable rod is arranged in the connector body, the left end part of the movable rod can slide in the connector body, the left end of the movable rod is provided with a head part with a size larger than that of the connector body cavity, the head part extends out of the connector body cavity, an inner cavity is arranged in the movable rod, a through hole capable of communicating the inner cavity with an inflating device is formed in the sealing contact surface of the left end of the movable rod with the connector body, the opening and closing state of the through hole is controlled by the relative displacement of the movable rod in the connector body, the right end of the movable rod is connected with the connector, and the connector cavity communicated with a gas storage cylinder gas inlet is arranged in the connector.
Furthermore, the body of the movable rod is of a circular tube structure with an opening at the right end.
Further, the through hole is arranged on the peripheral surface of the body of the movable rod and is positioned near the head.
Furthermore, the left end of the connector body is provided with a cavity for accommodating the head, the cavity is communicated with the connector body cavity and the air charging device, and the size of the cavity is larger than that of the head.
Further, the left end of the joint body is provided with external threads connected with the inflating device.
Further, the outer surface of the connector body is provided with a mounting part.
Furthermore, the right end of the movable rod is provided with external threads, and the joint is provided with internal threads matched with the external threads.
Further, the head is provided with a mounting groove.
Further, a sealing ring is arranged at the tail end of the threaded connection between the movable rod and the joint.
Furthermore, the air outlet of the joint cavity of the joint is of a spherical structure.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the utility model has the following remarkable effects:
(1) The carbon dioxide gas cylinder filling connector with high sealing performance can be provided with the through hole which is communicated with the inner cavity and the inflating device, is arranged on the sealing contact surface of the movable rod and the connector body, and has the advantages of better sealing performance and more reliable operation, and the movable rod is in surface contact with the connector body.
(2) According to the carbon dioxide gas cylinder filling connector with high sealing performance, the hole is formed in the peripheral surface of the body of the movable rod and is located near the head, when the head of the movable rod slides to the rightmost end, the head of the movable rod is attached to the left end face of the cavity of the connector body to form a first seal, the movable rod is matched with the inner wall of the cavity of the connector body, the through hole in the peripheral surface of the movable rod is blocked by the inner wall of the cavity of the connector body to form a second seal, and the sealing effect is extremely outstanding.
(3) According to the carbon dioxide gas cylinder filling joint with high sealing performance, after one-time inflation is finished, the head of the movable rod slides to the rightmost end under the pushing of carbon dioxide liquid flow in the inflation device, namely, is attached to the left end face of the cavity of the joint body, so that an automatic cutting-off effect is achieved, the use is very convenient, the filling efficiency is greatly improved, and the operation is reliable.
(4) The carbon dioxide gas cylinder filling connector with high tightness is characterized in that the left end of the connector body is provided with the containing cavity for containing the head, and the displacement of the head is always in the containing cavity, so that the arrangement is more reasonable.
(5) According to the carbon dioxide gas cylinder filling connector with high sealing performance, the right end of the movable rod is in threaded connection with the connector, the connector is a vulnerable part, the threaded connection mode can meet the sealing requirement, and the connector is convenient to disassemble, assemble and replace and is quite convenient to use.
(6) According to the carbon dioxide gas cylinder filling connector with high tightness, the sealing ring is arranged at the tail end of the threaded connection between the movable rod and the connector, and the sealing effect of the movable rod and the connector is better.
(7) According to the carbon dioxide gas cylinder filling connector with high sealing performance, the head part of the movable rod is provided with the mounting groove, so that the movable rod and the connector can be conveniently connected.
Drawings
FIG. 1 is a schematic view of a strong sealing carbon dioxide cylinder filling joint in a closed state;
FIG. 2 is a schematic view of a carbon dioxide gas cylinder filling joint with high tightness in an open state;
FIG. 3 is a schematic view of a joint body of a filling joint for a carbon dioxide gas cylinder with high tightness;
fig. 4 is a schematic structural view of a movable rod of a filling joint of a carbon dioxide gas cylinder with high tightness.
Reference numerals in the schematic drawings illustrate:
1. a joint body; 11. a mounting part; 12. a joint body cavity; 13. a step; 14. a cavity; 2. a joint; 21. a joint cavity; 3. a movable rod; 31. a through hole; 32. an inner cavity; 33. a head; 331. and a mounting groove.
Detailed Description
For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.
Examples
Referring to fig. 1 to 4, a high-tightness carbon dioxide gas cylinder filling joint of the present embodiment includes a joint body 1, a joint 2 and a movable rod 3, wherein a joint body cavity 12 matched with the left end portion of the movable rod 3 is provided in the interior of the joint body 1, and the left end portion of the movable rod 3 can slide in the interior of the joint body 1; the left end of the movable rod 3 is provided with a head 33 with a size larger than that of the connector body cavity 12, the head 33 extends out of the connector body cavity 12, and when the head 33 abuts against the left end face of the connector body cavity 12 as shown in fig. 1, the limit position of the movable rod 3 sliding rightwards in the connector body 1 is defined; the movable rod 3 is internally provided with an inner cavity 32, specifically, the body of the movable rod 3 in the embodiment is a circular tube structure with an opening at the right end, and the head 33 is arranged at the left end of the body of the movable rod 3; the left end of the movable rod 3 is provided with a through hole 31 which can be communicated with the inner cavity 32 and the air charging device on the sealing contact surface with the connector body 1, the surface contact between the movable rod 3 and the connector body 1 is better in sealing performance, the work is more reliable, the through hole 31 is uniformly arranged at a plurality of positions in the circumferential direction at the same axial position of the movable rod 3, the opening and closing states of the through hole 31 are controlled by the relative displacement of the movable rod 3 in the connector body 1, more specifically, the through hole 31 is arranged on the circumferential surface of the body of the movable rod 3 and is positioned near the head 33, when the head 33 of the movable rod 3 slides to the rightmost end, the head 33 of the movable rod 3 is jointed with the left end surface of the connector body cavity 12 to form a first seal, the movable rod 3 is matched with the inner wall of the connector body cavity 12, the through hole 31 on the circumferential surface of the movable rod 3 is blocked by the inner wall of the connector body cavity 12 to form a second seal, the sealing effect is extremely outstanding, and when the head 33 of the movable rod 3 slides to a certain position to the left, the through hole 31 on the movable rod 3 moves out of the connector body cavity 12, and the inner wall of the connector cavity 12 is not blocked by the through hole 31 and the air charging device; furthermore, the left end of the connector body 1 is provided with a cavity 14 for accommodating the head 33 of the movable rod 3, the displacement of the head 33 is always in the cavity 14, the arrangement is reasonable, the cavity 14 is communicated with the connector body cavity 12 and the air charging device, and the size of the cavity 14 is larger than that of the head 33; as shown in fig. 3, because the diameters of the cavity 14 and the cavity 12 of the connector body are different, a step 13 is formed at the communication position of the cavity 14 and the cavity 12 of the connector body, the step 13 can limit the right movement of the head 33 of the movable rod 3, a chamfer is arranged at the step 13, and of course, a chamfer is also arranged at the corresponding position of the head 33 of the movable rod 3, so that the matching is more stable and reliable.
Referring to fig. 1 and 2, the right end of the movable rod 3 in the embodiment is connected with the connector 2, and when the connector 2 moves to the left to abut against the connector body 1, that is, the movable rod 3 slides to the left in the connector body 1, the movable rod has a certain limiting protection function, and of course, the limiting of the sliding of the connector body 1 to the left can also be completed by means of the filling clamp. Specifically, the right end of the movable rod 3 is provided with an external thread, the joint 2 is provided with an internal thread matched with the external thread, the joint 2 is a wearing part, the threaded connection mode can meet the sealing requirement between the movable rod 3 and the joint 2, and the joint 2 is convenient to disassemble, assemble and replace and is very convenient to use; the sealing ring 4 is arranged at the tail end of the threaded connection between the movable rod 3 and the joint 2, so that the sealing effect between the movable rod 3 and the joint 2 is better; since the movable rod 3 is in threaded connection with the joint 2, the head 33 of the movable rod 3 in this embodiment is provided with a mounting groove 331, as shown in fig. 4, more specifically, the mounting groove 331 adopts a straight groove, so as to facilitate the mounting connection between the movable rod 3 and the joint 2; as shown in fig. 2, a joint cavity 21 is provided in the joint 2 for communicating the inner cavity 32 with the air inlet of the air storage bottle, and the air outlet of the joint cavity 21 of the joint 2 is in a spherical structure.
In addition, the left end of the joint body 1 of the present embodiment is provided with an external thread connected to an inflator, and the outer surface of the joint body 1 is provided with a mounting portion 11, the mounting portion 11 being in the form of a hexagonal bolt head, as shown in fig. 1. These are all prior art, and specific structure and function are not described in detail. The filling joint of the embodiment is made of H62 material.
It should be noted that the right and left directions in the present application are merely expressions based on the drawings for convenience of understanding, and are not limitative. Since carbon dioxide is normally in a gaseous state, the words "gas inlet", "gas outlet", "inflator" and the like are used in the present application, and are not limited to carbon dioxide being in a gaseous state when the filler neck is used.
In order to better understand the operation state of the embodiment, a brief description will be made of the carbon dioxide gas cylinder filling joint with high sealing performance with reference to fig. 1 to 4. When in use, the filling joint is arranged on the filling fixture, the left end of the joint body 1 is connected with the inflating device (namely the carbon dioxide busbar), and the filling joint is always kept in a closed state when not connected with the air inlet of the air storage bottle. Connecting the filling clamp at the air inlet of the air storage bottle, adjusting the lead screw of the filling clamp, and enabling the connector 2 to move leftwards relative to the connector body 1, namely driving the movable rod 3 to move leftwards, when the through hole 31 on the movable rod 3 moves out of the connector body cavity 12, enabling carbon dioxide liquid flow in the air charging device to enter the inner cavity 32 from the through hole 31 through the containing cavity 14, and finally entering the air storage bottle through the connector cavity 21 to realize air charging; after the screw rod of the filling clamp is loosened after one-time inflation action is completed, the head 33 of the movable rod 3 slides to the rightmost end under the pushing of the carbon dioxide liquid flow in the inflating device, namely is attached to the step 13, so that the automatic cutting-off effect is achieved, the use is very convenient, the inflating efficiency is greatly improved, and the operation is reliable.
According to the carbon dioxide gas cylinder filling joint with high sealing performance, the through hole capable of communicating the inner cavity with the inflating device is formed in the sealing contact surface of the movable rod and the joint body, the movable rod is in surface contact with the joint body, the sealing performance is good, and the operation is reliable; the utility model is in threaded connection with the air charging device, is in spherical sealing connection with the air inlet of the carbon dioxide gas cylinder, has the same connecting structure as the traditional charging connector, namely, the utility model can be applied to the traditional air charging device and the gas storage cylinder, so the utility model has strong universality, wider application range, simple structure, convenient manufacture and greatly reduced production cost; and the joint is convenient to replace, convenient to use and resource-saving.
The structure of the filling joint of the present utility model can also be used for filling other liquid substances, not limited to carbon dioxide.
The utility model and its embodiments have been described above schematically, without limitation, and the actual construction is not limited to this, as it is shown in the drawings, which are only one of the embodiments of the utility model. Therefore, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical scheme are not creatively devised without departing from the gist of the present utility model, and all the structural manners and the embodiments belong to the protection scope of the present utility model.
Claims (2)
1. The utility model provides a carbon dioxide gas bottle fills dress joint that leakproofness is strong which characterized in that: the gas storage device comprises a connector body (1), a connector (2) and a movable rod (3), wherein a connector body cavity (12) matched with the left end part of the movable rod (3) is arranged in the connector body (1), the left end part of the movable rod (3) can slide in the connector body (1), the left end of the movable rod (3) is provided with a head part (33) with a size larger than that of the connector body cavity (12), the head part (33) stretches out of the connector body cavity (12), an inner cavity (32) is arranged in the movable rod (3), a through hole (31) capable of communicating the inner cavity (32) with an inflating device is formed in the left end of the movable rod (3) on a sealing contact surface with the connector body (1), the through hole (31) is formed in the peripheral surface of the body of the movable rod (3), the opening and closing state of the through hole (31) is controlled by the relative displacement of the movable rod (3) in the connector body (1), the right end of the movable rod (3) is connected with the connector body cavity (12), and a gas storage bottle (21) is connected with the inner cavity (2); the right end of the movable rod (3) is provided with external threads, the joint (2) is provided with internal threads matched with the external threads, and the head (33) is provided with a mounting groove (331);
the left end of the connector body (1) is provided with a containing cavity (14) for containing the head (33), the containing cavity (14) is communicated with the connector body cavity (12) and the air charging device, the size of the containing cavity (14) is larger than that of the head (33), a step (13) is formed at the communicating position of the containing cavity (14) and the connector body cavity (12), the step (13) can limit the head (33) of the movable rod (3) to move rightwards, a chamfer is arranged at the step (13), and a chamfer is also arranged at the corresponding position of the head (33) of the movable rod (3);
when the head (33) of the movable rod (3) slides to the rightmost end, the head (33) of the movable rod (3) is attached to the left end face of the connector body cavity (12) to form a first seal, the movable rod (3) is matched with the inner wall of the connector body cavity (12), and the through holes (31) on the peripheral surface of the movable rod (3) are blocked by the inner wall of the connector body cavity (12) to form a second seal;
when the head (33) of the movable rod (3) slides leftwards to a certain position, the through hole (31) on the movable rod (3) moves out of the connector body cavity (12), the inner wall of the connector body cavity (12) does not block the through hole (31), and the through hole (31) can be communicated with the inner cavity (32) and the air charging device;
the left end of the connector body (1) is provided with external threads connected with an inflating device, the outer surface of the connector body (1) is provided with a mounting part (11), the tail end of the threaded connection between the movable rod (3) and the connector (2) is provided with a sealing ring (4), and the air outlet of the connector cavity (21) of the connector (2) is of a spherical structure.
2. The high tightness carbon dioxide cylinder filling joint according to claim 1, wherein: the body of the movable rod (3) is of a circular tube structure with an opening at the right end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257838.2A CN106895258B (en) | 2017-04-19 | 2017-04-19 | Carbon dioxide gas cylinder filling joint with high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257838.2A CN106895258B (en) | 2017-04-19 | 2017-04-19 | Carbon dioxide gas cylinder filling joint with high sealing performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106895258A CN106895258A (en) | 2017-06-27 |
| CN106895258B true CN106895258B (en) | 2024-02-13 |
Family
ID=59196907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710257838.2A Active CN106895258B (en) | 2017-04-19 | 2017-04-19 | Carbon dioxide gas cylinder filling joint with high sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106895258B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559470B (en) * | 2017-07-27 | 2019-04-05 | 北京北机机电工业有限责任公司 | A kind of sealing locking member for realizing high-pressure filling |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110770U (en) * | 1991-09-11 | 1992-07-22 | 王宇 | Screw-thread clamp device for filling hydrogen or oxygen |
| JP2007078158A (en) * | 2005-09-16 | 2007-03-29 | Hitachi Metals Ltd | Hose-end connection joint |
| CN101182890A (en) * | 2007-11-20 | 2008-05-21 | 江苏宝胜电气股份有限公司 | Gas pumping-charging bidirectional self-sealing valve |
| CN202158260U (en) * | 2011-07-26 | 2012-03-07 | 宁波三安制阀有限公司 | Air bottle valve |
| CN202629095U (en) * | 2012-06-11 | 2012-12-26 | 重庆瑞信气体有限公司 | Automatic blocking inflation valve |
| CN102878426A (en) * | 2012-05-28 | 2013-01-16 | 泉州天星气体有限公司 | Filling joint |
| CN204026134U (en) * | 2014-06-18 | 2014-12-17 | 台大工业气体(太仓）有限公司 | A kind of gas cylinder mark pipe joint |
| CN104295891A (en) * | 2014-10-11 | 2015-01-21 | 凯迈（洛阳）气源有限公司 | Gas filling and gas supply joint for gas cylinder and high-pressure gas cylinder using same |
| CN104565802A (en) * | 2014-12-31 | 2015-04-29 | 上海空间推进研究所 | High-pressure gas cylinder, and inflating sealing structure and inflating method thereof |
| CN206669323U (en) * | 2017-04-19 | 2017-11-24 | 常州工程职业技术学院 | A kind of strong dioxide bottle charging joint of sealing |
-
2017
- 2017-04-19 CN CN201710257838.2A patent/CN106895258B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110770U (en) * | 1991-09-11 | 1992-07-22 | 王宇 | Screw-thread clamp device for filling hydrogen or oxygen |
| JP2007078158A (en) * | 2005-09-16 | 2007-03-29 | Hitachi Metals Ltd | Hose-end connection joint |
| CN101182890A (en) * | 2007-11-20 | 2008-05-21 | 江苏宝胜电气股份有限公司 | Gas pumping-charging bidirectional self-sealing valve |
| CN202158260U (en) * | 2011-07-26 | 2012-03-07 | 宁波三安制阀有限公司 | Air bottle valve |
| CN102878426A (en) * | 2012-05-28 | 2013-01-16 | 泉州天星气体有限公司 | Filling joint |
| CN202629095U (en) * | 2012-06-11 | 2012-12-26 | 重庆瑞信气体有限公司 | Automatic blocking inflation valve |
| CN204026134U (en) * | 2014-06-18 | 2014-12-17 | 台大工业气体(太仓）有限公司 | A kind of gas cylinder mark pipe joint |
| CN104295891A (en) * | 2014-10-11 | 2015-01-21 | 凯迈（洛阳）气源有限公司 | Gas filling and gas supply joint for gas cylinder and high-pressure gas cylinder using same |
| CN104565802A (en) * | 2014-12-31 | 2015-04-29 | 上海空间推进研究所 | High-pressure gas cylinder, and inflating sealing structure and inflating method thereof |
| CN206669323U (en) * | 2017-04-19 | 2017-11-24 | 常州工程职业技术学院 | A kind of strong dioxide bottle charging joint of sealing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106895258A (en) | 2017-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106895258B (en) | Carbon dioxide gas cylinder filling joint with high sealing performance | |
| US9492976B2 (en) | Sealant bottle for tire repair of vehicle | |
| CN104847903A (en) | Pneumatic cut-off valve | |
| CN202704235U (en) | Automobile tire glue-water bottle | |
| JP5590584B1 (en) | Gas pressure type tire repair sealant bottle | |
| CN216158329U (en) | Frost valve | |
| CN206669323U (en) | A kind of strong dioxide bottle charging joint of sealing | |
| CN206206770U (en) | A kind of stop valve of sylphon seal | |
| CN104776235B (en) | Stop valve and there is its air conditioner | |
| CN204554164U (en) | A kind of low voltage experiment machine butt joint | |
| CN211010242U (en) | Anti-leakage automobile oil pipe joint | |
| CN207005365U (en) | A kind of reversely low pressure zero leakage check valve | |
| CN208295211U (en) | Bottle valve | |
| CN214534594U (en) | Novel sealing water stop valve | |
| CN214331772U (en) | Combined explosion-proof connecting pipe | |
| CN204554169U (en) | A kind of butt joint | |
| CN112856868B (en) | Liquid storage device | |
| CA2810034A1 (en) | Sealant bottle for tire repair of gas pressure type | |
| CN220470937U (en) | Joint valve control mechanism for gas filling | |
| CN210461783U (en) | Special air-losing air-locking valve for ABB intelligent valve positioner | |
| CN205226543U (en) | Dual -purpose ball valve is connected with internal thread to outer silk | |
| WO2023093424A1 (en) | Stop valve, machining method, and assembly method | |
| TWI621544B (en) | Pneumatic tire repair glue bottle | |
| CN202972045U (en) | Elastic rubber pipe type one-way valve used in multi-dust environment | |
| CN207750547U (en) | Novel compositions valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |