CN208012914U - A kind of particulate matter sampling shaft inner flow passage system - Google Patents
A kind of particulate matter sampling shaft inner flow passage system Download PDFInfo
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- CN208012914U CN208012914U CN201820055591.6U CN201820055591U CN208012914U CN 208012914 U CN208012914 U CN 208012914U CN 201820055591 U CN201820055591 U CN 201820055591U CN 208012914 U CN208012914 U CN 208012914U
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Abstract
The utility model is related to a kind of particulate matters to sample shaft inner flow passage system, including recycling inner flow passage structure, the air inlet port by being set to one side end face of the shaft seat enter extraneous exhaust gas to be measured and make the gas of entrance successively the vertical run Jing Guo the upper shaft core, the movement inlet plenum be passed through the measuring chamber again and measure and be discharged outside to later.The utility model is by rationally utilizing the corresponding various components of shaft to design coherent gas inner flow passage, it can make exhaust gas to be measured is lasting to be recycled between measuring chamber and external exhaust gas environment, greatly simplifie flow path, without dismounting when safeguarding, flow path need not be disconnected, just make movement and measuring chamber that disengaging babinet be freely rotated, compact-sized, reasonable design can save space；Make product outside more concise and beautiful simultaneously, meets personalization and the diversified development direction demand of Modern mechanical design product.
Description
Technical field
The utility model is related to particulate matter detection technique field more particularly to a kind of particulate matter sampling shaft inner flow passage systems
System.
Background technology
Currently, at home and abroad in particulate matter detection technique field, sampling can be divided into according to the difference of physical measurement mechanism
Method and non-sampling method consider from continuous analysis and the requirement of on-line monitoring for a long time, light scattering method as a kind of continuous sampling,
It disclosure satisfy that and be respectively related to requirement to data volume in exhaust gas discharge process of factory production, also, from safety and structural device system
Make cost and angularly considers the condition for being more in line with industrial mass manufacture running.
Those skilled in the art analyze the defect of existing known technology, if based on light scattering principle, use
Jet pump is continuously introduced into measuring chamber as air conduction source, by industrial discharged waste gas, and whole device is made to form a persistent loop
Circuit, how to design this circuit just into a very important link in product design, still, existing measuring device
The technical solution for implementing the desired effect is there is no, measuring chamber can be introduced by under test gas by being formed even with various assemblies
System however, also needing to dismantle when device is safeguarded, and additionally disconnects flow path, movement and measuring chamber can not be freely rotated into
Go out, causes inconvenient；Further, since gas enter channel be not recycled, can not rationally and effectively utilize movement, shaft,
The various components such as shaft fixing block moreover, or even can also influence the operation of these components.
In conclusion the utility model is exactly on the basis of existing known technology, in conjunction with the verification of practical application, to same
Product structure in one technical field proposes that the technical solution further researched and developed with designed, the technical solution that these are proposed are complete
It can solve the problems, such as solution and raising of the existing technology, while be also beneficial to numerous technical problems of same technical field
The expansibility of technical solution.
Utility model content
For disadvantages described above, the utility model provides a kind of particulate matter sampling shaft inner flow passage system, makes to wait for be formed
It surveys that exhaust gas is lasting is cycling in and out the channel of detection between measuring chamber and external exhaust gas environment, while solving all of the prior art
It is mostly insufficient.
To achieve the above object, the utility model uses following technical scheme：
A kind of particulate matter sampling shaft inner flow passage system, for the particles sampling device with measuring chamber, sampling dress
The upper and lower both sides of movement set are movably connected in by upper shaft core, lower shaft core on shaft seat respectively, to make movement be freely rotated,
The inner flow passage system includes：
Inner flow passage structure is recycled, the air inlet port by being set to one side end face of the shaft seat enters extraneous to be measured useless
Gas and make the gas of entrance successively the vertical run Jing Guo the upper shaft core, the movement inlet plenum be passed through the survey again
Amount room is discharged outside to after measuring.
Further include following any one for the additional structure of above-mentioned technical proposal：
There is gas internal channel between the inlet plenum and the measuring chamber, and exhaust gas to be measured is made to enter in measuring chamber
Portion measures；
Pneumatic quick connector of the gas internal channel setting for control channel on and off.
For above-mentioned technical proposal and the technical solution with any one additional structure, further include：
The inner flow passage system further includes being set to the movement bottom and being connected to the vertical run of the lower shaft core
Horizontal run is stored in the exhaust gas to be measured inside the movement along the lower axle in-core after so that the gas internal channel is closed
Portion is discharged outside to；
There is vertical air guide path between the gas internal channel and horizontal run.
For above-mentioned technical proposal and the technical solution with any one additional structure, further include：
It is connected through a screw thread between the lower shaft core and the shaft seat, and the movement is stretched on the lower shaft core top
It is internal；
The upper shaft core, interconnecting piece of the lower shaft core respectively between movement are equipped with sealing ring.
For technical solutions of the utility model, further include：
The inlet plenum outer end face is with sealing plate and makes inlet plenum inside and extraneous closed isolation；
Shaft seating face outside the air inlet port, which is fixed, is laid with several backing plates, and each backing plate is corresponding with air inlet port
Position at add trepanning；
The air inlet port, the vertical run of upper shaft core, inlet plenum and measuring chamber constitute so that gas is imported on follow
Ring inner flow passage unit, under the inlet plenum, measuring chamber, horizontal run, the vertical run of lower shaft core composition make gas be discharged
Recycle inner flow passage unit.
Particulate matter sampling shaft inner flow passage system described in the utility model has the beneficial effect that：
(1) this system utilizes the corresponding various components of shaft, coherent gas inner flow passage is rationally designed out, by shaft
Seat, upper and lower axle core component, movement are respectively internal to be arranged corresponding gas flow and forms effective inner flow passage system, can make to wait for
It surveys that exhaust gas is lasting is recycled between measuring chamber and external exhaust gas environment, greatly simplifies flow path, it can be achieved that when safeguarding
Without dismounting, flow path need not be disconnected, so that it may so that disengaging babinet is freely rotated in movement and measuring chamber, it is easy to operate；
(2) shaft is neither influenced in installation and being freely rotated when safeguarding, and can meet the sealed environment of gas circulation；
(3) gas flow that is opened up is compact-sized, reasonable design, convenient for safeguarding, space can be saved；
(4) structure of other positions design hinge type shaft is compared, volume smaller, weight are lighter, improve the product of product
Matter；
(5) traditional plastic pipe conduction mode is changed, is eliminated to a certain extent because ageing of rubber causes mechanical disorder
The drawbacks of, keep product outside more concise and beautiful, the personalization and diversified development direction for meeting Modern mechanical design product need
It asks.
Description of the drawings
The utility model is described in further detail below according to attached drawing.
Fig. 1 is the structural schematic diagram of particulate matter sampling shaft inner flow passage system described in the utility model embodiment.
In figure：
1, backing plate；2, shaft seat；3, seal cover board；4, PTFE gaskets；5, O-ring seals；6, Pneumatic quick connector；7, machine
Core；8, lower shaft core；9, rubber stopper；10, measuring chamber；11, horizontal run.
Specific implementation mode
Embodiment one
As shown in Figure 1, the particulate matter described in the utility model embodiment one samples shaft inner flow passage system, the skill implemented
The purpose to be realized of art means is, solving the shafts of conventional detection devices can not only be freely rotated in installation and while safeguarding, but also
It is unable to reach the state that gas normally circulates, if being according to conventional detection devices knot with installing and safeguarding closely related problem
Structure is implemented, then needs to dismantle and disconnect flow path when safeguarding, thus, the used technical solution for solving technical problem includes
Shaft seat 2 and the movement 7 that should be movably arranged on by corresponding axle core component on the shaft seat 2.
Structure between the shaft seat 2 and rotating assembly of above-mentioned setting is analyzed：
The axle core component implemented includes upper shaft core, lower shaft core 8：
It is connected through a screw thread between the lower shaft core 8 implemented and shaft seat 2, and 8 top of lower shaft core implemented is put in
Inside movement 7, effective sealing is formed using O-ring seals 5 between the corresponding interconnecting piece in top and movement 7；
The upper shaft core implemented then is fixed on 2 top of shaft seat using welding manner, on this between 7 top of shaft core and movement
Contact surface fixation add one group of PTFE gasket 4, on this between interconnecting piece corresponding with movement 7 of shaft core bottom end using O shapes seal
5 formation of circle effectively sealing, to form axle core component top and the fixation of shaft seat 2 welding and axle core component bottom end and shaft seat
2 fixed structures being threadedly coupled.
Composite structure between the shaft seat 2, rotating assembly and movement 7 of above-mentioned setting is further analyzed：
The shaft seat 2 implemented movement 7, upper shaft core, is respectively set one section of gas passage inside lower shaft core 8, and is turning
The inner flow passage system for gas circulation is formed between axle bed 2, movement 7 and rotating assembly, is embodied as：
Vertical gas passage one and the gas passage are added inside the lower shaft core 8 implemented and are set to 7 bottom of movement
The horizontal run 11 in portion is connected, and the horizontal run 11 implemented is disposed in proximity to 7 bottom of movement of measuring chamber 10 and the water
Advection road leads to setting on the extraneous duct of movement 7 can control the rubber stopper 9 of gas circuit opening and closing at any time, so as to when needed, lead to
The action of the rubber stopper 9 is crossed to balance 7 internal gas passageways gas output of movement；
Correspondingly, vertical gas passage two is added inside the upper shaft core implemented and two top of gas passage with set
The air inlet port for being placed in 2 top of shaft seat is connected, and is laid with if 2 outer surface of shaft seat outside the air inlet port implemented is fixed
Dry backing plate 1 and each backing plate 1, which are located at the corresponding position of air admission hole, adds trepanning；The upper shaft core gas passage two implemented
Lower end be connected with the inlet plenum inside movement 7 and make the ambient atmos entered by air inlet port via the inlet plenum
Into the measuring chamber 10 of measuring device, make to be formed for the continual gas of exhaust gas to be measured between measuring chamber 10 and external exhaust gas environment
Body circulation channel.
In addition, the inlet plenum outer end implemented is fixedly mounted seal cover board 3 and between the seal cover board 3 and movement 7
Interconnecting piece fixation add sealing ring, to make the gas of inlet plenum be isolated from the outside world.
Further, on the access between the inlet plenum inside movement 7 implemented and the measuring chamber 10 of measuring device
Pneumatic quick connector 6 is installed, when Pneumatic quick connector 6 moves upwards, so that access is opened and carries out gas circulation, when this is pneumatic fast
When quick coupling 6 moves downward, makes path blockade and drains into the excessive gas of generation in the horizontal run 11 of 7 bottom of movement,
To keep these excessive gas extraneous along 8 discharger of lower shaft core.
Particulate matter described in the utility model embodiment one samples shaft inner flow passage system, by shaft seat 2, movement 7,
And the inner flow passage system for being used for gas circulation is formed between rotating assembly, and coordinate corresponding runner shutter device, in reality
On the basis of existing gas circulation conducting, which neither influences shaft in installation and being freely rotated when safeguarding, and can meet gas
The sealed environment of body circulation, without dismounting when being safeguarded to realize, need not disconnect flow path can make movement 7 and measuring chamber
10 are freely rotated disengaging babinet.
Embodiment two
As shown in Figure 1, the particulate matter described in the utility model embodiment two samples shaft inner flow passage system, it is in embodiment
A deformation on the basis of one technical solution implemented, forms between the measuring chamber 10 implemented and external exhaust gas environment and supplies
It is logical to increase by one section of gas on the basis of the continual gas circulation channel of exhaust gas to be measured, between measuring chamber 10 and horizontal run 11
Road makes the exhaust gas after measurement be discharged outside to successively along the vertical run of horizontal run 11, lower shaft core 8, in system
Portion forms two circulatory flow units up and down, that is, the air inlet port implemented, the vertical run of upper shaft core, inlet plenum and survey
Amount room 10 constitute make gas import upper cycle inner flow passage unit, the inlet plenum implemented, measuring chamber 10, horizontal run 11,
Lower 8 vertical run of shaft core constitutes the lower cycle inner flow passage unit for making gas be discharged.
In the description of this specification, if there is the description such as term " the present embodiment one ", " the present embodiment ", " specific implementation "
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in the utility model or practical new
In at least one embodiment or example of type.In the present specification, schematic expression of the above terms are not necessarily referring to phase
Same embodiment or example；Moreover, described particular features, structures, materials, or characteristics can be in any one or more realities
It applies and is combined in a proper manner in example or example.
In the description of this specification, term " connection ", " installation ", " fixation ", " there is ＂ etc. to do broad sense reason by setting ＂, ＂
Solution, for example, ＂ connections ＂ may be a fixed connection or pass through intermediate module on the basis of not influencing parts relationship with technique effect
Indirectly carry out, can also be integrally connected or part connect, such as herewith example situation for those of ordinary skills,
Concrete meaning of the above-mentioned term in the utility model or utility model can be understood as the case may be.
The above-mentioned description to embodiment is for the ease of those skilled in the art it will be appreciated that and using this
Case technology, person skilled in the art obviously can make various modifications to these examples easily, and described herein one
As principle be applied in other embodiments without having to go through creative labor.Therefore, this case is not limited to above example, for
The modification of several situations below, all should be in the protection domain of this case：1. based on technical solutions of the utility model and tying
The new technical solution that existing common knowledge is implemented is closed, technique effect is not departing from this caused by the new technical solution
Except utility model technique effect, for example, being used for same field using the technical solution for opening gas flow inside rotating assembly
Device；2. using known technology to the equivalence replacement of the Partial Feature of technical solutions of the utility model, generated technology effect
Fruit is identical as the utility model technique effect, for example, the fixed structure between shaft core and shaft seat is replaced；3. with this reality
With carrying out to expand based on new technique scheme, the substantive content of the technical solution after expansion is without departing from the utility model skill
Except art scheme；4. equivalent transformation made based on the specification and figures of the utility model, is directly or indirectly used in it
His relevant technical field.
Claims (10)
1. a kind of particulate matter samples shaft inner flow passage system, for the particles sampling device with measuring chamber, the sampler
The upper and lower both sides of movement be movably connected on shaft seat by upper shaft core, lower shaft core respectively, to make movement be freely rotated,
It is characterized in that, the inner flow passage system includes：
Inner flow passage structure is recycled, the air inlet port by being set to one side end face of the shaft seat enters extraneous exhaust gas to be measured simultaneously
And make the gas of entrance successively the vertical run Jing Guo the upper shaft core, the movement inlet plenum be passed through the measuring chamber again
It is discharged outside to after measuring.
2. particulate matter according to claim 1 samples shaft inner flow passage system, it is characterised in that：The inlet plenum and institute
Stating has gas internal channel between measuring chamber, and so that exhaust gas to be measured is entered inside measuring chamber and measure.
3. particulate matter according to claim 2 samples shaft inner flow passage system, it is characterised in that：The gas internal channel is set
Set the Pneumatic quick connector for control channel on and off.
4. particulate matter according to claim 2 or 3 samples shaft inner flow passage system, it is characterised in that：The inner flow passage system
System further includes the horizontal run for being set to the movement bottom and being connected to the vertical run of the lower shaft core, is made in the gas
It is stored in the exhaust gas to be measured inside the movement after channel is closed and is discharged outside to along the lower axle core inner.
5. particulate matter according to claim 4 samples shaft inner flow passage system, it is characterised in that：The gas internal channel with
There is vertical air guide path between horizontal run.
6. sampling shaft inner flow passage system according to claim 1-3 any one of them particulate matters, it is characterised in that：The lower axle
It is connected through a screw thread between core and the shaft seat, and the lower shaft core top is stretched into inside the movement.
7. particulate matter according to claim 6 samples shaft inner flow passage system, it is characterised in that：The upper shaft core, lower axle
Interconnecting piece of the core respectively between movement is equipped with sealing ring.
8. particulate matter according to claim 1 samples shaft inner flow passage system, it is characterised in that：The inlet plenum outer end
Face is with sealing plate and makes inlet plenum inside and extraneous closed isolation.
9. particulate matter according to claim 1 samples shaft inner flow passage system, it is characterised in that：Outside the air inlet port
Shaft seating face fix and be laid with several backing plates, each backing plate adds trepanning at position corresponding with air inlet port.
10. particulate matter according to claim 1 samples shaft inner flow passage system, it is characterised in that：The air inlet port, on
Vertical run, inlet plenum and the measuring chamber of shaft core constitute the upper cycle inner flow passage unit for making gas import, the inlet chamber
Room, measuring chamber, horizontal run, the vertical run of lower shaft core constitute the lower cycle inner flow passage unit for making gas be discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820055591.6U CN208012914U (en) | 2018-01-12 | 2018-01-12 | A kind of particulate matter sampling shaft inner flow passage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820055591.6U CN208012914U (en) | 2018-01-12 | 2018-01-12 | A kind of particulate matter sampling shaft inner flow passage system |
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| Publication Number | Publication Date |
|---|---|
| CN208012914U true CN208012914U (en) | 2018-10-26 |
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ID=63882875
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820055591.6U Active CN208012914U (en) | 2018-01-12 | 2018-01-12 | A kind of particulate matter sampling shaft inner flow passage system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088708A (en) * | 2018-01-12 | 2018-05-29 | 深圳市翠云谷科技有限公司 | A kind of particulate matter samples shaft inner flow passage system |
-
2018
- 2018-01-12 CN CN201820055591.6U patent/CN208012914U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088708A (en) * | 2018-01-12 | 2018-05-29 | 深圳市翠云谷科技有限公司 | A kind of particulate matter samples shaft inner flow passage system |
| CN108088708B (en) * | 2018-01-12 | 2024-01-26 | 深圳市翠云谷科技有限公司 | Particle sampling rotating shaft inner runner system |
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