CN212807766U - Portable gas, dust and smoke dust sampling instrument calibration device - Google Patents
Portable gas, dust and smoke dust sampling instrument calibration device Download PDFInfo
- Publication number
- CN212807766U CN212807766U CN202021185558.9U CN202021185558U CN212807766U CN 212807766 U CN212807766 U CN 212807766U CN 202021185558 U CN202021185558 U CN 202021185558U CN 212807766 U CN212807766 U CN 212807766U
- Authority
- CN
- China
- Prior art keywords
- ball
- dust
- suction head
- spring
- portable gas
- 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
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a portable gas, dust and smoke and dust sampling appearance calibration equipment relates to sampling appearance calibration equipment field, including the sampling appearance main part, the top of sampling appearance main part is provided with the sizing pipe, and the fixed suction head that has cup jointed in one end of sizing pipe, the fixed disk that has cup jointed on one side inner wall of suction head, and the disk is connected with the slide bar, and the one end fixedly connected with seal ball of slide bar, the outside movable sleeve of slide bar are equipped with the spring, the one end of spring and the outer wall fixed connection of seal ball, the other end and the disk fixed connection of spring, and the outside cover of seal ball is equipped with the seal receptacle. The utility model discloses utilize suction head and ball sealer matched with to set up the mode, be convenient for oppress the ball sealer through the elasticity of spring for the ball sealer laminating is sealed the inner chamber of ball groove in the inner wall of ball groove, is convenient for, thereby prevents to finalize the design liquid reflux that needs the detection in the inside pipe cavity, and this is just so that the gaseous detection precision of sampling instrument main part obtains fine improvement.
Description
Technical Field
The utility model relates to a sampling instrument calibration equipment field, in particular to portable gas, dust and smoke and dust sampling instrument calibration equipment.
Background
The portable gas detection redetector is widely applied due to small volume, convenient carrying, high response speed and high measurement precision, the sampling mode is a detection mode for collecting gas, and the sampling mode of a fixed gas alarm is generally a natural diffusion mode, namely the slow induction of gas without applying any external force. The internal portable gas detector is divided into a natural diffusion type gas detector and a pump suction type gas detector, the pump suction type gas detector is further divided into an external pump and an internal pump, and self-suction is adopted.
When the pump-suction type gas sampling detector is used, the shaping tube is generally inserted into the gas to be detected, the gas is sucked into the inner cavity of the shaping tube, and then the gas is detected, but the shaping tube is generally in an open state, the sucked air possibly flows back, and the detection accuracy of the gas is low.
Disclosure of Invention
An object of the utility model is to provide a portable gas, dust and smoke and dust sampling appearance calibration equipment to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable gaseous, dust and smoke and dust sampling appearance calibration equipment, includes the sampling appearance main part, the top of sampling appearance main part is provided with the sizing pipe, the fixed suction head that has cup jointed in one end of sizing pipe, the fixed disk that has cup jointed on one side inner wall of suction head, the slip interlude is connected with the slide bar on the disk, the one end fixedly connected with seal ball of slide bar, the outside movable sleeve of slide bar is equipped with the spring, the one end of spring and the outer wall fixed connection of seal ball, the other end and the disk fixed connection of spring, the outside cover of seal ball is equipped with the seal receptacle, the seal receptacle cup joints with the opposite side of suction head inner wall is fixed.
Preferably, the middle part of the sealing seat is provided with a ball groove matched with the sealing ball, and the ball groove is horn-shaped.
Preferably, the middle part of the disc is provided with a first through hole, the slide bar is connected with the disc in a sliding and penetrating manner through the first through hole, and the disc is provided with second through holes in an annular array.
Preferably, the other end of the sliding rod is fixedly connected with a limiting piece, and the diameter of the limiting piece is larger than the inner diameter of the first through hole.
Preferably, one side of the suction head is provided with a limiting ring, and the limiting ring is fixedly inserted and connected with the shaping pipe.
Preferably, the fixed cover in bottom of calibrator has connect the connecting pipe, the bottom and the sampling appearance main part top fixed connection of connecting pipe.
Preferably, one side fixedly connected with ball seat of connecting pipe, the inside of ball seat is rotated and is inlayed and be equipped with the ball, the fixed pipe of one side fixedly connected with of ball, the fixed cover that has cup jointed of one end of fixed pipe.
The utility model discloses a technological effect and advantage:
(1) the utility model utilizes the setting mode of matching the suction head and the sealing ball, and is convenient for oppress the sealing ball through the elasticity of the spring, so that the sealing ball is attached in the inner wall of the ball groove, and is convenient for sealing the inner cavity of the ball groove, thereby preventing the liquid needing to be detected in the inner cavity of the shaped pipe from flowing back, and improving the gas detection precision of the sampler main body well;
(2) the utility model discloses utilize slide bar and spacing piece matched with mode that sets up, be convenient for carry on spacingly to the slip of slide bar through spacing piece to prevent that the slide bar from dropping out the inner chamber of first through-hole, thereby make the slip of slide bar more stable.
Drawings
Fig. 1 is a schematic front structural view of the present invention.
Fig. 2 is the schematic view of the internal structure of the suction head of the present invention.
Fig. 3 is a schematic view of the internal structure of the ball seat of the present invention.
Fig. 4 is a schematic view of the disc structure of the present invention.
In the figure: 1. a sampler body; 2. shaping pipes; 3. an air suction head; 4. a disc; 5. a slide bar; 6. a sealing ball; 7. a spring; 8. a sealing seat; 9. a ball groove; 10. a first through hole; 11. a second through hole; 12. a limiting sheet; 13. a limiting ring; 14. a connecting pipe; 15. a ball seat; 16. a ball bearing; 17. and fixing the tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a portable gas, dust and smoke dust sampler calibration device as shown in figures 1-4, which comprises a sampler main body 1, a shaping pipe 2 is arranged above the sampler main body 1, the shaping pipe 2 can be bent to a certain degree so as to extend into some specific corners to detect gas, one end of the shaping pipe 2 is fixedly sleeved with a suction head 3, one side of the suction head 3 is provided with a spacing ring 13, the spacing ring 13 is convenient for spacing the suction head 3, the spacing ring 13 is fixedly connected with the shaping pipe 2 in an inserting way, a disc 4 is fixedly sleeved on the inner wall of one side of the suction head 3, a first through hole 10 is arranged at the middle part of the disc 4, a slide bar 5 is connected with the disc 4 in a sliding inserting way through the first through hole 10, the sliding of the slide bar 5 is convenient for spacing through the first through hole 10, thereby the sliding of the slide bar 5 is more stable, be the annular array on disc 4 and seted up second through-hole 11, be convenient for communicate the inner chamber between sizing pipe 2 and aspirator tip 3 through second through-hole 11, the sliding interlude is connected with slide bar 5 on disc 4, the spacing piece 12 of the other end fixedly connected with of slide bar 5, the diameter of spacing piece 12 is greater than the internal diameter of first through-hole 10, it is spacing to be convenient for slide bar 5's slip through spacing piece 12, thereby prevent that slide bar 5 from dropping out the inner chamber of first through-hole 10, thereby make slide bar 5's slip more stable.
Slide bar 5's one end fixedly connected with ball sealer 6, be convenient for carry out the shutoff to the inner chamber of ball groove 9 through ball sealer 6, the fixed rubber sleeve that has cup jointed of ball sealer 6's outer wall, be convenient for increase the leakproofness between ball groove 9 and the ball sealer 6, the outside movable sleeve of slide bar 5 is equipped with spring 7, spring 7 is in compression state always, be convenient for provide certain elasticity for ball sealer 6 through spring 7, spring 7's one end and ball sealer 6's outer wall fixed connection, spring 7's the other end and disc 4 fixed connection, ball sealer 6's outside cover is equipped with seal receptacle 8, seal receptacle 8 cup joints with the opposite side of 3 inner walls of suction head is fixed, ball groove 9 with ball sealer 6 matched with is seted up at seal receptacle 8's middle part, ball groove 9's shape is the loudspeaker type, be convenient for cooperate with ball sealer 6.
Fixed cover in bottom of managing 2 of stereotyping has been connect connecting pipe 14, connecting pipe 14's bottom and 1 top fixed connection of sampling instrument main part, one side fixedly connected with ball seat 15 of connecting pipe 14, be convenient for to ball 16's installation, the cooperation mode between ball 16 and the ball seat 15 is excessive cooperation, ball seat 15's inside is rotated and is inlayed and be equipped with ball 16, the gas pocket is seted up at ball 16's middle part, the gas pocket communicates with the inner chamber of fixed pipe 17 each other, the fixed pipe 17 of one side fixedly connected with of ball 16, oppression seal ball 6, through to the fixed pipe 17 fresh air that bloies into, be convenient for discharge the air that detects between with, the air that detects before preventing pollutes the air at the back, the fixed cover of one end of fixed.
The utility model discloses the theory of operation:
when the sampling instrument is used, the sampling instrument main body 1 is opened, the inner cavity of the shaping tube 2 is pumped to a negative pressure state, the inner cavity of the shaping tube 2 is communicated with the inner cavity of the suction head 3 through the second through hole 11, then the shaping tube 2 in the negative pressure state can pump the inner cavity of the suction head 3 to the negative pressure state, the air pressure in the inner cavity of the suction head 3 has certain air pressure difference with the external atmospheric pressure, so that the external atmospheric pressure can press the sealing ball 6, the sealing ball 6 moves towards the direction of the disc 4, the sliding of the sliding rod 5 is limited under the limitation of the first through hole 10, the sliding rod 5 can axially move, then the spring 7 can be compressed, the spring 7 is elastically deformed, then the gas to be detected can enter the inner cavity of the suction head 3 through the ball groove 9 and then enters the inner cavity of the shaping tube 2 through the second through hole 11, thereby make during gaseous inflow sizing tube 2's inner chamber, but when the aspiration pump of 1 inside of sampling instrument main part is out of work, sizing tube 2's inner chamber no longer is the negative pressure state, this atmospheric pressure that just makes 3 inner chambers of suction head is the same with external atmospheric pressure, there is not the existence of atmospheric pressure difference, be convenient for oppress ball sealer 6 through the elasticity of spring 7, make ball sealer 6 laminate in the inner wall of ball groove 9, be convenient for seal the inner chamber of ball groove 9, thereby prevent the liquid backward flow that needs the detection in the sizing tube 2 inner chamber.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A portable gas, dust and smoke dust sampling instrument calibration device comprises a sampling instrument main body (1), it is characterized in that a shaping pipe (2) is arranged above the sampling instrument main body (1), one end of the shaping pipe (2) is fixedly sleeved with an air suction head (3), the inner wall of one side of the air suction head (3) is fixedly sleeved with a disc (4), a sliding rod (5) is slidably inserted and connected on the disc (4), one end of the sliding rod (5) is fixedly connected with a sealing ball (6), a spring (7) is movably sleeved outside the sliding rod (5), one end of the spring (7) is fixedly connected with the outer wall of the sealing ball (6), the other end of the spring (7) is fixedly connected with the disc (4), a sealing seat (8) is sleeved outside the sealing ball (6), the sealing seat (8) is fixedly sleeved with the other side of the inner wall of the air suction head (3).
2. The portable gas, dust and smoke sampler calibration device according to claim 1, wherein the middle of the sealing seat (8) is provided with a ball groove (9) matched with the sealing ball (6), and the ball groove (9) is horn-shaped.
3. The portable gas, dust and smoke sampler calibration device according to claim 1, wherein a first through hole (10) is formed in the middle of the disc (4), the slide bar (5) is slidably inserted into the disc (4) through the first through hole (10), and a second through hole (11) is formed in the disc (4) in an annular array.
4. The portable gas, dust and smoke sampler calibration device according to claim 1, wherein the other end of the slide bar (5) is fixedly connected with a limiting piece (12), and the diameter of the limiting piece (12) is larger than the inner diameter of the first through hole (10).
5. The portable gas, dust and smoke sampler calibration device according to claim 1, wherein a limiting ring (13) is arranged on one side of the suction head (3), and the limiting ring (13) is fixedly inserted and connected with the shaping pipe (2).
6. The portable gas, dust and smoke sampler calibration device according to claim 1, wherein the bottom of the shaping tube (2) is fixedly sleeved with a connecting tube (14), and the bottom end of the connecting tube (14) is fixedly connected with the top end of the sampler main body (1).
7. The portable gas, dust and smoke sampler calibration device according to claim 6, wherein a ball seat (15) is fixedly connected to one side of the connection pipe (14), a ball (16) is rotatably embedded in the ball seat (15), a fixed pipe (17) is fixedly connected to one side of the ball (16), and a sealing cover is fixedly sleeved on one end of the fixed pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021185558.9U CN212807766U (en) | 2020-06-24 | 2020-06-24 | Portable gas, dust and smoke dust sampling instrument calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021185558.9U CN212807766U (en) | 2020-06-24 | 2020-06-24 | Portable gas, dust and smoke dust sampling instrument calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212807766U true CN212807766U (en) | 2021-03-26 |
Family
ID=75097844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021185558.9U Active CN212807766U (en) | 2020-06-24 | 2020-06-24 | Portable gas, dust and smoke dust sampling instrument calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212807766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705631A (en) * | 2021-10-25 | 2022-07-05 | 上海伟创标准气体分析技术有限公司 | Intelligent multi-component gas collecting and analyzing device |
-
2020
- 2020-06-24 CN CN202021185558.9U patent/CN212807766U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705631A (en) * | 2021-10-25 | 2022-07-05 | 上海伟创标准气体分析技术有限公司 | Intelligent multi-component gas collecting and analyzing device |
| CN114705631B (en) * | 2021-10-25 | 2024-04-12 | 上海伟创标准气体分析技术有限公司 | Intelligent multi-component gas collection and analysis device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212807766U (en) | Portable gas, dust and smoke dust sampling instrument calibration device | |
| CN111175529A (en) | In-vitro diagnosis analyzer, reagent card and mounting structure | |
| CN206338310U (en) | One object can be positioned to the adsorbent equipment on a surface | |
| CN103860157A (en) | Electronic sphygmomanometer | |
| CN209296685U (en) | Methylene oxide detecting instrument is used in a kind of detection of Portable-type furniture | |
| CN219224291U (en) | Pumping type formaldehyde detection device | |
| CN211878005U (en) | In-vitro diagnosis analyzer, reagent card and mounting structure | |
| CN210637639U (en) | Sealing device for airtightness detection of straight aluminum pipe | |
| CN217687658U (en) | Pressure acquisition device of air conduction pressure measurement | |
| CN206763269U (en) | Glue dispensing valve | |
| CN213985833U (en) | A water resource detects uses sampling device for environmental protection | |
| CN211634504U (en) | Negative pressure suction device | |
| CN212110504U (en) | Automobile air inlet pipe test device | |
| CN217611045U (en) | High-precision handheld sphygmomanometer | |
| CN220893297U (en) | Ultrasonic thickness gauge with probe easy to fix | |
| CN217953768U (en) | Static pressure calibration device for differential pressure transmitter | |
| CN215573636U (en) | Pipeline gas tightness detection device who conveniently carries | |
| CN210347031U (en) | Efficient water bottle leakproofness test machine | |
| CN214096502U (en) | Tool for detecting air damper sealing performance | |
| CN210243120U (en) | Pump body gas tightness detection device | |
| CN216899406U (en) | Pressure tapping pipe structure of differential pressure gauge | |
| CN213271444U (en) | Connecting head | |
| CN219391274U (en) | Plugging structure for airtight leak detector | |
| CN218331140U (en) | Easy-to-operate dust particle counter | |
| CN220568355U (en) | Leakage detection device for sealing workpiece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 713, 7th floor, building 1, Yunnan returnees Pioneer Park, 80 chunman Avenue, information industry base, economic development zone, Kunming City, Yunnan Province, 650000 Patentee after: China Inspection southwest measurement Co.,Ltd. Address before: No. 713, 7th floor, building 1, Yunnan returnees Pioneer Park, 80 chunman Avenue, information industry base, economic development zone, Kunming City, Yunnan Province, 650000 Patentee before: Yunnan Zhongjian Testing Technology Co.,Ltd. |