CN219775461U - A mark gas cylinder switching valve head for portable analysis appearance - Google Patents
A mark gas cylinder switching valve head for portable analysis appearance Download PDFInfo
- Publication number
- CN219775461U CN219775461U CN202320925655.4U CN202320925655U CN219775461U CN 219775461 U CN219775461 U CN 219775461U CN 202320925655 U CN202320925655 U CN 202320925655U CN 219775461 U CN219775461 U CN 219775461U
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- assembly
- gas
- gas cylinder
- buckle
- valve head
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- 238000003825 pressing Methods 0.000 claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 84
- 239000003570 air Substances 0.000 description 25
- 210000002445 nipple Anatomy 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Abstract
The utility model discloses a standard gas cylinder adapter valve head for a portable analyzer, which comprises a fastening component, a gas nozzle component, a sealing component, a buckling component and a groove structure for accommodating the buckling component, wherein the fastening component, the gas nozzle component, the sealing component, the buckling component and the groove structure are sequentially connected, the buckling component comprises oppositely arranged buckling structures, the lower ends of the buckling structures are provided with semi-annular buckles, the outer peripheral walls of the semi-annular buckles are provided with inclined edges, the outer side walls of the upper ends of the buckling structures are provided with pressing components, the inner side walls of the buckling structures are provided with positioning pins and positioning holes for being matched with the positioning pins, and the positioning pins are sleeved with elastic components. The utility model has the advantages of simple structure, low cost, convenient and quick operation when the gas cylinder is replaced, and the like.
Description
Technical Field
The utility model mainly relates to the technical field of environmental air monitoring, in particular to a gas marking cylinder adapter valve head for a portable analyzer.
Background
When total hydrocarbons and methane in the ambient air and the waste gas of the fixed pollution source are measured, the loss, adsorption or deterioration of the sample can be inevitably caused no matter the sample is collected, stored or transported, and the real emission condition of the waste gas can not be reflected. The large number of samples collected and transported increases the workload of the inspector. The delayed detection and analysis is not beneficial to the timely and effective supervision of sewage enterprises.
The original characteristics of the sample are reserved to the greatest extent by the on-site monitoring method, so that the analysis result reflects the pollutant emission condition more truly. The portable total hydrocarbon, methane and non-methane total hydrocarbon monitor is generally used for carrying out on-site measurement, an experimenter is carried by carrying equipment to take a sample outdoors, in a factory or on a chimney to carry out mobile detection, standard gas and zero gas are needed to be used for calibrating an instrument during detection, but the universality of the switching valve head in the prior art is poor, the switching valve head can only be used by using a special joint matched with a standard gas bottle with a buckle type in a switching way, the structure of the switching valve head is complex, the manufacturing cost is high, the replacement operation step is complex, and the experience is poor. Therefore, the design of the valve head can quickly and conveniently replace standard gas or zero gas for equipment on site, has no special requirement on the type of a standard gas cylinder, can simplify the step of replacing the gas cylinder, and reduces the transfer valve head carried by auxiliary tools, so that the technical problem to be solved by the person in the field is urgent.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides the standard gas cylinder adapter valve head for the portable analyzer, which has the advantages of simple structure, low cost and convenient and quick operation during gas cylinder replacement.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a mark gas cylinder switching valve head for portable analysis appearance, includes fastening assembly, air cock subassembly, sealing component, buckle subassembly that link to each other in proper order and is used for holding buckle subassembly's groove structure, buckle subassembly includes the buckle structure of relative arrangement, buckle structure lower extreme is equipped with semi-annular buckle, semi-annular buckle's peripheral wall is equipped with the hang limit, buckle structure's upper end is equipped with presses the subassembly, buckle structure's inside wall is equipped with the locating pin and is used for with locating pin complex locating hole, the cover is equipped with elastic component on the locating pin.
As a further improvement of the utility model: the groove structure comprises a bottom wall and side walls, the bottom wall is provided with through holes, and the side walls are symmetrically provided with positioning grooves for accommodating the pressing assembly.
As a further improvement of the utility model: the air tap assembly comprises an air vent structure and a mounting plate, and the mounting plate is connected with the groove structure through a fastener.
As a further improvement of the utility model: the upper portion of air cock subassembly is equipped with external screw thread structure, ventilation structure is inside to be equipped with the passageway that is used for the gas flow that runs through the air cock subassembly.
As a further improvement of the utility model: the upper portion of air cock subassembly is equipped with the internal thread structure, ventilation structure is inside to be equipped with the passageway that is used for the gas flow that runs through the air cock subassembly.
As a further improvement of the utility model: the fastening assembly comprises a nut structure and a double-clamping sleeve assembly, the double-clamping sleeve assembly is embedded in the channel, the double-clamping sleeve assembly comprises a first clamping sleeve and a second clamping sleeve which are mutually nested and connected, and the nut structure covers the top of the air tap assembly and is connected with the external thread structure.
As a further improvement of the utility model: the fastening assembly comprises a screw structure and a single clamping sleeve, wherein the single clamping sleeve is embedded in the channel, and the screw structure is connected with an internal thread structure of the air tap assembly.
As a further improvement of the utility model: the inside of the ventilation structure is provided with a positioning surface, and the height from the positioning surface to the bottom of the ventilation structure is not less than the height required by pressing and opening the valve core of the standard gas cylinder.
Compared with the prior art, the utility model has the advantages that:
according to the utility model, when the standard gas cylinder adapter valve head is connected with the standard gas cylinder, the standard gas cylinder quick adapter valve head is in butt joint with the gas nipple of the standard gas cylinder, the two semicircular buckle bevel edges on the two buckle structures are pressed downwards, and when the semicircular buckle bevel edges are subjected to upward acting force, transverse component force is generated simultaneously, so that the elastic component is compressed towards the middle, the two buckle structures shrink towards the middle and are released by elasticity when moving to the inner groove of the standard gas cylinder bottleneck, the semicircular buckle is clamped into the groove of the standard gas cylinder, the valve core of the standard gas cylinder can be opened smoothly, and meanwhile, the semicircular buckle generates tension to reliably lock the standard gas cylinder and the buckle structures, the gas nipple of the standard gas cylinder is sealed by the sealing component at the same time, and is isolated from the outside air, an auxiliary tool is not required, the operation is simple, the one-key installation is realized, the experience of a customer is improved, the standard gas cylinder is suitable for most standard gas cylinders on the market, and no-buckle forms are required. When taking down the mark gas cylinder, the pressing component of two buckle structures is pressed to the single hand, and buckle structure is toward middle shrink, and semi-annular buckle withdraws from mark gas cylinder recess, and the pressure of the air cock of downward roof pressure mark gas cylinder obtains releasing, and mark gas cylinder breaks away from with mark gas cylinder quick switching valve head, and the gas cylinder valve is closed, need not to accomplish the one-key with the help of appurtenance and gets the bottle, and operating procedure is simple, convenient, greatly reduced the complexity when changing the gas cylinder.
Drawings
Fig. 1 is an exploded view of the present utility model in a first embodiment.
Fig. 2 is a state diagram of the present utility model mounted on a target cylinder in a first embodiment.
Fig. 3 is a cross-sectional view of the utility model in a first embodiment.
FIG. 4 is a perspective view of a gas cap assembly according to a first embodiment of the present utility model.
FIG. 5 is a top view of a gas cap assembly according to a first embodiment of the present utility model.
Fig. 6 is a cross-sectional view at A-A in fig. 5.
Fig. 7 is a perspective view of a buckle assembly according to a first embodiment of the present utility model.
Fig. 8 is a perspective view of a slot structure of the present utility model in a first embodiment.
Fig. 9 is a cross-sectional view of the present utility model in a second embodiment.
FIG. 10 is a perspective view of a gas cap assembly according to a second embodiment of the present utility model.
FIG. 11 is a top view of a nozzle assembly according to a second embodiment of the present utility model.
Fig. 12 is a cross-sectional view at B-B in fig. 11.
Legend description:
1. a fastening assembly; 11. a nut structure; 12. a double-clamping sleeve assembly; 121. a first ferrule; 122. a second ferrule; 13. a screw structure; 14. a single ferrule; 2. an air tap assembly; 21. a ventilation structure; 22. a mounting plate; 211. a channel; 212. a positioning surface; 3. a seal assembly; 4. a clasp assembly; 41. semi-annular buckle; 42. a pressing assembly; 43. a positioning pin; 44. positioning holes; 45. an elastic component; 46. inclined edges; 5. a trough structure; 51. a bottom wall; 52. a sidewall; 521. and a positioning groove.
Detailed Description
The utility model is further described below in connection with the drawings and the specific preferred embodiments, but the scope of protection of the utility model is not limited thereby.
In the description of the present utility model, it should be understood that the terms "side," "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model.
The utility model will be described in further detail with reference to the drawings and the specific examples.
As shown in fig. 1 to 8, this embodiment provides a mark gas cylinder switching valve head for portable analysis appearance, including the fastening assembly 1 that links to each other in proper order, air cock subassembly 2, seal assembly 3, buckle subassembly 4 and be used for holding buckle subassembly 4's groove structure 5, buckle subassembly 4 includes the buckle structure of relative arrangement, buckle structure lower extreme is equipped with semi-annular buckle 41, semi-annular buckle 41's outer peripheral wall is equipped with incline limit 46, buckle structure upper end's lateral wall is equipped with presses subassembly 42, buckle structure's inside wall is equipped with locating pin 43 and is used for with locating pin 43 complex locating hole 44, the cover is equipped with elastic component 45 on the locating pin 43.
When the gas bottle is connected, the quick switching valve head of the gas bottle is in butt joint with the gas nipple of the gas bottle, the gas nipple of the gas bottle is pressed downwards, when the inclined edge 46 of the semi-annular buckle 41 on the two buckle structures is subjected to upward acting force, transverse component force is generated simultaneously, so that the elastic component 45 is compressed towards the middle, the elastic force is released when the two buckle structures shrink towards the middle and wait to move to the inner groove of the gas bottle mouth, the semi-annular buckle 41 is clamped into the gas bottle groove, the valve core of the gas bottle is ensured to be opened smoothly, meanwhile, the semi-annular buckle 41 generates tension to reliably lock the gas bottle and the buckle structure 41, the gas nipple of the gas bottle is sealed by the sealing component 3 at the same time and isolated from the outside air, an auxiliary tool is not required to be equipped, the operation is simple, one-key installation is realized, the experience of a customer is improved, the gas bottle is applicable to most of the gas bottles on the market, and no requirement is met for the buckle forms of the gas bottle. When the standard gas cylinder is taken down, the pressing component 42 of two buckle structures is pressed by one hand, the buckle structures shrink towards the middle, the semi-annular buckle 41 withdraws from the groove of the standard gas cylinder, the pressure of the gas tap of the downward jacking standard gas cylinder is released, the standard gas cylinder is separated from the switching valve head of the standard gas cylinder, the gas cylinder valve is closed, one-key type gas taking can be completed without auxiliary tools, the operation steps are simple and convenient, and the complexity in gas cylinder replacement is greatly reduced.
The elastic member 45 may be a spring or a deformable rubber material.
In this embodiment, the slot structure 5 includes a bottom wall 51 and a side wall 52, the bottom wall 51 is provided with a through hole, and the side wall 52 is symmetrically provided with positioning slots 521 for accommodating the pressing component 42. When the target gas cylinder adapter valve head is installed on the target gas cylinder, the lower edge of the groove structure 5 is flush with the edge on the target gas cylinder, so that the buckle assembly 4 is ensured to be stable and not to shake during movement, and meanwhile, after the buckle assembly is connected with the target gas cylinder, the target gas cylinder port is limited, so that the target gas cylinder is reliably locked and does not swing.
In this embodiment, the air tap assembly 2 includes an air vent structure 21 and a mounting plate 22, the mounting plate 22 is connected with the slot structure 5 through a fastener, an external thread structure is disposed on the upper portion of the air tap assembly 2, and a channel 211 for gas flow penetrating through the air tap assembly 2 is disposed inside the air vent structure 21.
In this embodiment, the fastening assembly 1 includes a nut structure 11 and a double-collar assembly 12, the double-collar assembly 12 is embedded in the channel 211, the double-collar assembly 12 includes a first ferrule 121 and a second ferrule 122 that are mutually nested and connected, and the nut structure 11 is covered on the top of the air tap assembly 2 and is connected with the external thread structure. Is communicated with a pipeline of the portable analyzer through a screw cap structure 11.
In this embodiment, the ventilation structure 21 is provided with a positioning surface 212, and the height from the positioning surface 212 to the bottom of the ventilation structure 21 is not less than the height required for pressing and opening the valve core of the standard gas cylinder. When the semicircular buckle 41 of the buckle structure is clamped into the groove of the standard gas cylinder, the gas nipple of the standard gas cylinder is propped against the positioning surface of the ventilation structure 21 of the gas nipple assembly 2, so that the standard gas cylinder is opened to give off gas by pressing downwards, the gas nipple of the standard gas cylinder is sealed by the sealing assembly 3 (such as a sealing ring) and isolated from the outside air, and the standard gas cylinder and the buckle assembly 2 are locked by utilizing the force of the gas nipple of the standard gas cylinder and the positioning surface 212 in the gas nipple assembly 2, so that the stable and reliable transfer valve head is ensured to be fixed.
Example two
As shown in fig. 9 to 12, the present embodiment is basically the same as the first embodiment, except that in the present embodiment, the upper portion of the air cap assembly 2 is provided with an internal thread structure, the ventilation structure 21 is internally provided with a channel 211 for gas flow penetrating through the air cap assembly 2, the fastening assembly 1 includes a screw structure 13 and a single clamping sleeve 14, the single clamping sleeve 14 is embedded in the channel 211, and the screw structure 13 is connected with the internal thread structure of the air cap assembly 2. Is in communication with the portable analyzer tube via screw structure 13.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be within the scope of the utility model as set forth in the following claims.
Claims (8)
1. The utility model provides a mark gas cylinder switching valve head for portable analysis appearance, its characterized in that, including fastening assembly (1), air cock subassembly (2), seal assembly (3), buckle subassembly (4) and be used for holding buckle subassembly (4) groove structure (5) that link to each other in proper order, buckle subassembly (4) are including the buckle structure of relative arrangement, buckle structure lower extreme is equipped with semi-annular buckle (41), the periphery wall of semi-annular buckle (41) is equipped with inclined edge (46), buckle structure's upper end is equipped with presses subassembly (42), buckle structure's inside wall is equipped with locating pin (43) and is used for with locating pin (43) complex locating hole (44), the cover is equipped with elastic component (45) on locating pin (43).
2. The gas cylinder adapter valve head for a portable analyzer according to claim 1, wherein the groove structure (5) comprises a bottom wall (51) and a side wall (52), the bottom wall (51) is provided with a through hole, and the side wall (52) is symmetrically provided with positioning grooves (521) for accommodating the pressing component (42).
3. The gas cylinder adapter valve head for a portable analyzer according to claim 2, characterized in that the gas cap assembly (2) comprises a venting structure (21) and a mounting plate (22), the mounting plate (22) being connected to the groove structure (5) by means of a fastener.
4. A gas cylinder adapter valve head for a portable analyzer according to claim 3, characterized in that the upper part of the gas tap assembly (2) is provided with an external thread structure, and the inside of the ventilation structure (21) is provided with a channel (211) for gas flow penetrating the gas tap assembly (2).
5. A gas cylinder adapter valve head for a portable analyzer according to claim 3, characterized in that the upper part of the gas tap assembly (2) is provided with an internal thread structure, and the inside of the ventilation structure (21) is provided with a channel (211) for gas flow penetrating the gas tap assembly (2).
6. The gas cylinder adapter valve head for a portable analyzer according to claim 4, wherein the fastening assembly (1) comprises a screw cap structure (11) and a double-clamping sleeve assembly (12), the double-clamping sleeve assembly (12) is embedded in the channel (211), the double-clamping sleeve assembly (12) comprises a first clamping sleeve (121) and a second clamping sleeve (122) which are mutually nested and connected, and the screw cap structure (11) is covered on the top of the gas nozzle assembly (2) and is connected with an external thread structure.
7. The gas cylinder adapter valve head for a portable analyzer according to claim 5, characterized in that the fastening assembly (1) comprises a screw structure (13) and a single ferrule (14), the single ferrule (14) is embedded in the channel (211), and the screw structure (13) is connected with an internal thread structure of the gas cap assembly (2).
8. The target cylinder adapter valve head for a portable analyzer according to any one of claims 3 to 7, wherein a positioning surface (212) is provided in the ventilation structure (21), and the height from the positioning surface (212) to the bottom of the ventilation structure (21) is not less than the height required for pressing and opening the target cylinder valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320925655.4U CN219775461U (en) | 2023-04-21 | 2023-04-21 | A mark gas cylinder switching valve head for portable analysis appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320925655.4U CN219775461U (en) | 2023-04-21 | 2023-04-21 | A mark gas cylinder switching valve head for portable analysis appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219775461U true CN219775461U (en) | 2023-09-29 |
Family
ID=88102836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320925655.4U Active CN219775461U (en) | 2023-04-21 | 2023-04-21 | A mark gas cylinder switching valve head for portable analysis appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219775461U (en) |
-
2023
- 2023-04-21 CN CN202320925655.4U patent/CN219775461U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |