CN209387356U - A kind of improved porous plate absorption tube - Google Patents
A kind of improved porous plate absorption tube Download PDFInfo
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- CN209387356U CN209387356U CN201822067741.8U CN201822067741U CN209387356U CN 209387356 U CN209387356 U CN 209387356U CN 201822067741 U CN201822067741 U CN 201822067741U CN 209387356 U CN209387356 U CN 209387356U
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- inlet pipe
- absorption tube
- tube
- air inlet
- sleeve
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Abstract
The utility model provides a kind of improved porous plate absorption tube, including upper absorption tube, outlet connecting tube, inlet pipe connection, corrugated flexible hose, air inlet pipe, adjustably adjust fixed rod structure, can dust-proof sizing connecting band structure, lower absorption tube, porous glass plate, multi-directional ball, positioning bolt, rubber deck and reinforcing cross bar, the outlet connecting tube integrated setting is on the top of upper absorption tube.Glass tube of the straight type without bending is respectively adopted in the utility model outlet connecting tube and inlet pipe connection, is conducive to the convenience for improving sample-adding sampling, while the outflow of liquid easy to clean；Upper spindle bar adjusts the setting of sleeve and lower part wire lever, is conducive to the adjusting for carrying out length, meets and use fixed needs in different location；The silicon rubber cup of one end sealing is respectively adopted in first dust cap and the second dust cap, is conducive to play the role of sealing and dustproof, prevents from entering the accuracy that result is collected in dust influence when absorption tube is placed.
Description
Technical field
The utility model belongs to environmental monitoring sampling equipment technical field more particularly to a kind of improved porous plate absorbs
Pipe.
Background technique
Fritted glass disk bubbler purposes: for measuring the content of harmful substance in air, gaseous state, vaporous object are mainly acquired
Matter can also acquire various samples in mist state aerosol and air, be mainly used for environmental sanitation, labour health, medical scientific
Department etc..Fritted glass disk bubbler is a kind of solution absorption method acquisition gaseous pollutant commonly absorption tube, and it is special that it has
Due to processing technology and the problems such as polluting is used for a long time in structure and stringent quality requirement, and reply absorbs before sampling
Pipe answers quality to test, to guarantee the accuracy of sampling efficiency and monitoring result.
Atmosphere and waste pollutant (including gaseous pollutant, aerosol etc.) monitoring are both needed to by sending experiment after spot sampling
Monitoring analysis result is obtained after the analysis of room；And it is horizontal and big for analyzing result whether to reflect atmosphere quality really
The collecting efficiency of gaseous pollutant has much relations when the true pollution level and spot sampling of gas pollutant, at present atmosphere and doctor
Treat mechanism sewage excrement colibacillus group and test and analyze process and be mainly after scene is acquired with absorbing liquid, then send laboratory by with containing
The standard curve drawn after the serial not standards solution analysis of the same amount substance compares quantitative.
China Patent Publication No. is CN207877726U, and invention and created name is a kind of fritted glass disk bubbler, technology
Programme element be include upper absorption tube, lower absorption tube and air inlet pipe, gas outlet, setting in lower absorption tube are connected on upper absorption tube
There is porous glass plate, the outside of lower absorption tube and upper absorption tube, the lower end of the lower end of air inlet pipe and lower absorption tube is arranged in air inlet pipe
Connection, air inlet pipe are fitted on the outer wall of lower absorption tube and upper absorption tube, and the upper end of air inlet pipe is connected with air inlet.
China Patent Publication No. is that CN205228888U invention and created name is a kind of improved porous glass-tube absorption tube, packet
It includes air inlet, gas outlet, air inlet pipe, hollow grinding port plug and ground gas outlet, upper absorption tube, lower absorption tube and is placed in lower absorption
The porous glass plate of pipe lower end.A kind of improved porous glass-tube absorption tube of the utility model changes port and is connected directly with upper absorption tube
Form be the form that connects of hollow grinding port plug.
But existing porous plate absorption tube causes sample-adding sampling inconvenient there is also air inlet pipe is unadjustable, cleaning solution
It is not easy to drain and is inconvenient to the problem of being fixed.
Therefore, a kind of improved porous plate absorption tube is invented to be very necessary.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of improved porous plate absorption tube, existing to solve
Porous plate absorption tube air inlet pipe it is unadjustable cause sample-adding sampling inconvenient, cleaning solution is not easy to drain and is inconvenient to be fixed
The problem of.A kind of improved porous plate absorption tube, including upper absorption tube, outlet connecting tube, inlet pipe connection, corrugated flexible hose, into
Tracheae, adjustably adjust fixed rod structure, can dust-proof sizing connecting band structure, lower absorption tube, porous glass plate, multi-directional ball, positioning
Bolt, rubber deck and reinforcing cross bar, the outlet connecting tube integrated setting is on the top of upper absorption tube；The air inlet
Connecting tube is plugged on the right end of corrugated flexible hose；The corrugated flexible hose is socketed in the upper end of air inlet pipe；The air inlet pipe runs through
Rubber deck integrated setting is in the lower part of lower absorption tube；The telescopically adjustable fixed rod structure is mounted on the outer of multi-directional ball
On the left of surface；It is described can dust-proof sizing connecting band structure be connected respectively with outlet connecting tube and inlet pipe connection；Described
Lower absorption tube is embedded in rubber deck upper inside middle position；The porous glass plate is placed on the inner lower of lower absorption tube
Position；The multi-directional ball is embedded in the inside left middle position of rubber deck and fixes with positioning bolt；The positioning
Bolt thread is connected to middle position on the left of the front surface of rubber deck；Described reinforcing cross bar one end is glued to lower absorption tube
Right side middle position, the other end are glued to the left side middle position of air inlet pipe；Telescopically adjustable fixed rod structure includes top silk
Lever adjusts sleeve, and rubber sleeve, lower part wire lever, fixing sucking disk and constraint snap ring, the upper spindle bar are threaded in
Adjust the upper inside position of sleeve；The lower part wire lever is threaded in the inner lower position for adjusting sleeve；It is described
Rubber sleeve be socketed in adjust sleeve outer surface upper position；The fixing sucking disk is glued to outside the lower end of lower part wire lever
It sets；The constraint snap ring is glued to the right positions of rubber sleeve.
Preferably, it is described can dust-proof sizing connecting band structure include outlet pipe sleeve, connecting band, air inlet pipe sleeve, first connects
Splicing, the first dust cap, the second connecting rope and the second dust cap, the outlet pipe sleeve are glued to the left end of connecting band；It is described
Air inlet pipe sleeve be glued to the right end of connecting band；The first described connecting rope one end is glued to the upper surface interposition of air inlet pipe sleeve
It sets, the other end is glued to the upper surface middle position of the first dust cap；The second described connecting rope one end is glued to outlet pipe sleeve
Left side middle position, the other end is glued to the left side middle position of the second dust cap.
Preferably, glass tube of the straight type without bending is respectively adopted in the outlet connecting tube and inlet pipe connection；Described
Outlet connecting tube and the length of inlet pipe connection are separately positioned on ten millimeters to 40 millimeters；The air inlet pipe specifically uses down
Portion is the glass tube of arc.
Preferably, the inlet pipe connection inside corrugated flexible hose and air inlet pipe and lower absorption tube by being connected to；Described
Outlet connecting tube inside upper absorption tube and lower absorption tube by being connected to.
Preferably, the front surface of the lower absorption tube is provided with the graduation mark that unit is milliliter, the graduation mark
The front surface lower position of lower absorption tube is arranged in zero graduation.
Preferably, the multi-directional ball specifically uses rubber multi-directional ball；The multi-directional ball is embedded in upper spindle bar
Upper inside position；The constraint snap ring specifically uses right side to be provided with the rubber snap ring of opening；The constraint snap ring card
It connects in the left lower position of air inlet pipe.
Preferably, the silicon rubber cup of one end sealing is respectively adopted in first dust cap and the second dust cap；Described goes out
Silica gel sheath is respectively adopted in air pipe sleeve and air inlet pipe sleeve；Nylon rope is respectively adopted in first connecting rope and the second connecting rope；Institute
The connecting band stated specifically uses nylon tape.
Preferably, the outlet pipe sleeve is socketed in the outer surface lower position of outlet connecting tube；The air inlet pipe sleeve
It is socketed in the outer surface leftward position of inlet pipe connection；First dust cap is socketed in the outer surface right end of inlet pipe connection
Position；Second dust cap is socketed in the outer surface upper end position of outlet connecting tube.
Preferably, the reinforcing cross bar specifically uses the glass rod of cylindrical type；The lower absorption tube specifically uses
Bright glass tube.
Compared with prior art, the utility model has the following beneficial effects:
1. in the utility model, glass of the straight type without bending is respectively adopted in the outlet connecting tube and inlet pipe connection
Pipe is conducive to the convenience for improving sample-adding sampling, while the outflow of liquid easy to clean.
2. in the utility model, the setting of the corrugated flexible hose is conducive to that the angle of inlet pipe connection is adjusted,
It is convenient to be connected with the gas outlet of outlet equipment.
3. in the utility model, the upper spindle bar adjusts the setting of sleeve and lower part wire lever, is conducive to carry out
The adjusting of length meets and uses fixed needs in different location.
4. in the utility model, the rubber sleeve, the setting of fixing sucking disk and constraint snap ring is conducive to play clamping admittedly
Effect fixed and that absorption is fixed, guarantees the stabilization of absorption tube.
5. in the utility model, the silicon rubber cup that one end seals is respectively adopted in first dust cap and the second dust cap,
Be conducive to play the role of sealing and dustproof, prevent from entering the accuracy that result is collected in dust influence when absorption tube is placed.
6. in the utility model, the front surface of the lower absorption tube is provided with the graduation mark that unit is milliliter, described
The front surface lower position of lower absorption tube is arranged in the zero graduation of graduation mark, is conducive to when collecting to colored gas, it is convenient into
Row is checked.
7. in the utility model, the setting of first connecting rope and the second connecting rope is conducive to the effect of connection, prevent
The only loss of the first dust cap and the second dust cap.
8. in the utility model, the rubber deck and the setting for reinforcing cross bar are conducive to the effect of supporting and shaping, prevent
The only damage of colliding with of absorption tube.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the telescopically adjustable fixed rod structure of the utility model.
Fig. 3 is the structural schematic diagram of the connecting band structure that dust-proof can be formed of the utility model.
In figure:
1, upper absorption tube；2, outlet connecting tube；3, inlet pipe connection；4, corrugated flexible hose；5, air inlet pipe；6, it adjustably adjusts
Fixed rod structure；61, upper spindle bar；62, sleeve is adjusted；63, rubber sleeve；64, lower part wire lever；65, fixing sucking disk；66,
Constrain snap ring；It 7, can dust-proof sizing connecting band structure；71, outlet pipe sleeve；72, connecting band；73, air inlet pipe sleeve；74, the first connection
Rope；75, the first dust cap；76, the second connecting rope；77, the second dust cap；8, lower absorption tube；9, porous glass plate；10, multi-directional ball；
11, positioning bolt；12, rubber deck；13, cross bar is reinforced.
Specific embodiment
The utility model is described further below in conjunction with attached drawing:
Embodiment:
As shown in attached drawing 1 to attached drawing 2, the utility model provides a kind of improved porous plate absorption tube, including upper absorption tube
1, outlet connecting tube 2, inlet pipe connection 3, corrugated flexible hose 4, air inlet pipe 5, adjustably adjust fixed rod structure 6, dust-proof can be formed
Connecting band structure 7, lower absorption tube 8, porous glass plate 9, multi-directional ball 10, positioning bolt 11, rubber deck 12 and reinforcing cross bar 13, institute
2 integrated setting of outlet connecting tube stated is on the top of upper absorption tube 1；The inlet pipe connection 3 is plugged on corrugated flexible hose 4
Right end；The corrugated flexible hose 4 is socketed in the upper end of air inlet pipe 5；The air inlet pipe 5 runs through 12 integrated setting of rubber deck
In the lower part of lower absorption tube 8；The telescopically adjustable fixed rod structure 6 is mounted on the left of the outer surface of multi-directional ball 10；It is described
Can dust-proof sizing connecting band structure 7 be connected respectively with outlet connecting tube 2 and inlet pipe connection 3；The lower absorption tube 8 is inlayed
Embedded in 12 upper inside middle position of rubber deck；The porous glass plate 9 is placed on the inner lower position of lower absorption tube 8；
The multi-directional ball 10 is embedded in the inside left middle position of rubber deck 12 and fixes with positioning bolt 11；The positioning
Bolt 11 is threaded in middle position on the left of the front surface of rubber deck 12；Described 13 one end of reinforcing cross bar is glued to lower suction
The right side middle position of closed tube 8, the other end are glued to the left side middle position of air inlet pipe 5；Fixed rod structure 6 is adjustably adjusted to wrap
Upper spindle bar 61 is included, sleeve 62, rubber sleeve 63, lower part wire lever 64, fixing sucking disk 65 and constraint snap ring 66 are adjusted, it is described
Upper spindle bar 61 is threaded in the upper inside position for adjusting sleeve 62；The lower part wire lever 64 is threaded in tune
Save the inner lower position of sleeve 62；The rubber sleeve 63 is socketed in the outer surface upper position for adjusting sleeve 62；Described
The lower end that fixing sucking disk 65 is glued to lower part wire lever 64 is external；The constraint snap ring 66 is glued to the right lateral position of rubber sleeve 63
It sets；Upper spindle bar 61 is rotated, drive multi-directional ball 10 carries out the adjusting that rotation carries out angle in rubber deck 12, adjusts to conjunction
After suitable angle, screwed in place bolt 11 is fixed；It turns and adjusts the adjusting upper spindle bar 61 of sleeve 62 and lower part wire lever 64
Between it is specific, fixing sucking disk 65 is adsorbed on absorption tube support, fixed effect is played.
As shown in Fig. 3, in above-described embodiment, specifically, it is described can dust-proof sizing connecting band structure 7 include escape pipe
Set 71, connecting band 72, air inlet pipe sleeve 73, the first connecting rope 74, the first dust cap 75, the second connecting rope 76 and the second dust cap
77, the outlet pipe sleeve 71 is glued to the left end of connecting band 72；The air inlet pipe sleeve 73 is glued to the right end of connecting band 72；
Described 74 one end of the first connecting rope is glued to the upper surface middle position of air inlet pipe sleeve 73, and the other end is glued to the first dust cap
75 upper surface middle position；Described 76 one end of the second connecting rope is glued to the left side middle position of outlet pipe sleeve 71, another
End is glued to the left side middle position of the second dust cap 77；The first dust cap 75 is taken, by inlet pipe connection 3 and outlet equipment
Gas outlet is connected, so that gas enters in corrugated flexible hose 4 through inlet pipe connection 3, then into air inlet pipe 5, Jin Erjin
It goes in lower absorption tube 8, and then enters in porous glass plate 9, when exhaust opens the second dust cap 77, overturns lower absorption tube 8 and carries out
The discharge of gas, and finished in sampling, when needing to take out liquid, can be tilted handstand pours out from venthole, clear
Wash complete, stood upside down on absorption tube support, manage in water can drain off naturally, it is dry faster, be also not easy to stay water stain.
In above-described embodiment, specifically, straight type is respectively adopted without bending in the outlet connecting tube 2 and inlet pipe connection 3
Glass tube；The length of the outlet connecting tube 2 and inlet pipe connection 3 is separately positioned on ten millimeters to 40 millimeters；It is described
Air inlet pipe 5 specifically use lower part for the glass tube of arc.
In above-described embodiment, specifically, the inlet pipe connection 3 passes through corrugated flexible hose 4 and air inlet pipe 5 and lower absorption tube
8 inside connections；The outlet connecting tube 2 inside upper absorption tube 1 and lower absorption tube 8 by being connected to.
In above-described embodiment, specifically, the front surface of the lower absorption tube 8 is provided with the graduation mark that unit is milliliter,
The front surface lower position of lower absorption tube 8 is arranged in the zero graduation of the graduation mark.
In above-described embodiment, specifically, the multi-directional ball 10 specifically uses rubber multi-directional ball；The multi-directional ball 10 is inlayed
Embedded in the upper inside position of upper spindle bar 61；The specific rubber card for using right side to be provided with opening of the constraint snap ring 66
Ring；The constraint snap ring 66 is connected to the left lower position of air inlet pipe 5.
In above-described embodiment, specifically, one end sealing is respectively adopted in first dust cap 75 and the second dust cap 77
Silicon rubber cup；Silica gel sheath is respectively adopted in the outlet pipe sleeve 71 and air inlet pipe sleeve 73；First connecting rope 74 and second
Nylon rope is respectively adopted in connecting rope 76；The connecting band 72 specifically uses nylon tape.
In above-described embodiment, specifically, the outlet pipe sleeve 71 is socketed in the outer surface lower portion of outlet connecting tube 2
It sets；The air inlet pipe sleeve 73 is socketed in the outer surface leftward position of inlet pipe connection 3；First dust cap 75 is socketed in
The outer surface right end position of inlet pipe connection 3；Second dust cap 77 is socketed in the outer surface upper end position of outlet connecting tube 2
It sets.
In above-described embodiment, specifically, the glass rod reinforced cross bar 13 and specifically use cylindrical type；The lower suction
Closed tube 8 specifically uses transparent glass tube.
Working principle
When the utility model is used, rotation upper spindle bar 61, drives multi-directional ball 10 to be turned in rubber deck 12
The dynamic adjusting for carrying out angle, is adjusted to after proper angle, screwed in place bolt 11 is fixed；It turns and adjusts in the adjusting of sleeve 62
It is specific between portion's wire lever 61 and lower part wire lever 64, fixing sucking disk 65 is adsorbed on absorption tube support, fixed work is played
With；The first dust cap 75 is taken, inlet pipe connection 3 is connected with the gas outlet of outlet equipment, so that gas is connected through air inlet
Pipe 3 enters in corrugated flexible hose 4, then into air inlet pipe 5, and then enters into lower absorption tube 8, and then enters porous glass plate
In 9, when exhaust, opens the second dust cap 77, overturns lower absorption tube 8 and carries out the discharge of gas, and finishes in sampling, needs
When taking out liquid, handstand can be tilted and poured out from venthole, finish, stood upside down on absorption tube support in cleaning, in pipe
Water can drain off naturally, and drying faster, is also not easy to stay water stain.
Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model
Under inspiration, similar technical solution is designed, and reaches above-mentioned technical effect, is the protection model for falling into the utility model
It encloses.
Claims (9)
1. a kind of improved porous plate absorption tube, which is characterized in that the improved porous plate absorption tube, including upper absorption tube (1),
Outlet connecting tube (2), inlet pipe connection (3), corrugated flexible hose (4), air inlet pipe (5) adjustably adjust fixed rod structure (6), can
Dust-proof sizing connecting band structure (7), lower absorption tube (8), porous glass plate (9), multi-directional ball (10), positioning bolt (11), rubber card
Seat (12) and reinforcing cross bar (13), top of outlet connecting tube (2) integrated setting in upper absorption tube (1)；Described
Inlet pipe connection (3) is plugged on the right end of corrugated flexible hose (4)；The corrugated flexible hose (4) is socketed in the upper end of air inlet pipe (5)；
The air inlet pipe (5) runs through rubber deck (12) integrated setting in the lower part of lower absorption tube (8)；Described adjustably adjusts
Fixed rod structure (6) is mounted on the left of the outer surface of multi-directional ball (10)；It is described can dust-proof sizing connecting band structure (7) respectively with
Outlet connecting tube (2) is connected with inlet pipe connection (3)；The lower absorption tube (8) is embedded on rubber deck (12) inside
Side middle position；The porous glass plate (9) is placed on the inner lower position of lower absorption tube (8)；The multi-directional ball (10)
It is embedded in the inside left middle position of rubber deck (12) and is fixed with positioning bolt (11)；Described positioning bolt (11) spiral shell
Line is connected to middle position on the left of the front surface of rubber deck (12)；Described reinforcing cross bar (13) one end is glued to lower absorption tube
(8) right side middle position, the other end are glued to the left side middle position of air inlet pipe (5)；It adjustably adjusts fixed rod structure (6)
It including upper spindle bar (61), adjusts sleeve (62), rubber sleeve (63), lower part wire lever (64), fixing sucking disk (65) and constraint
Snap ring (66), the upper spindle bar (61) are threaded in the upper inside position for adjusting sleeve (62)；The lower part
Wire lever (64) is threaded in the inner lower position for adjusting sleeve (62)；The rubber sleeve (63) is socketed in adjusting sleeve
(62) outer surface upper position；The lower end that the fixing sucking disk (65) is glued to lower part wire lever (64) is external；Described
Constraint snap ring (66) is glued to the right positions of rubber sleeve (63).
2. improved porous plate absorption tube as described in claim 1, which is characterized in that described can dust-proof sizing connecting band knot
Structure (7) includes outlet pipe sleeve (71), connecting band (72), air inlet pipe sleeve (73), the first connecting rope (74), the first dust cap (75),
Second connecting rope (76) and the second dust cap (77), the outlet pipe sleeve (71) are glued to the left end of connecting band (72)；It is described
Air inlet pipe sleeve (73) be glued to the right ends of connecting band (72)；Described the first connecting rope (74) one end is glued to air inlet pipe sleeve
(73) upper surface middle position, the other end are glued to the upper surface middle position of the first dust cap (75)；Described second connects
Splicing (76) one end is glued to the left side middle position of outlet pipe sleeve (71), and the other end is glued to the left side of the second dust cap (77)
Middle position.
3. improved porous plate absorption tube as described in claim 1, which is characterized in that the outlet connecting tube (2) and into
Glass tube of the straight type without bending is respectively adopted in gas connecting tube (3)；The length of the outlet connecting tube (2) and inlet pipe connection (3)
Degree is separately positioned on ten millimeters to 40 millimeters；The air inlet pipe (5) specifically uses lower part for the glass tube of arc.
4. improved porous plate absorption tube as described in claim 1, which is characterized in that the inlet pipe connection (3) passes through
It is connected to inside corrugated flexible hose (4) and air inlet pipe (5) and lower absorption tube (8)；The outlet connecting tube (2) passes through upper absorption tube
(1) it is connected to inside lower absorption tube (8).
5. improved porous plate absorption tube as described in claim 1, which is characterized in that the positive table of the lower absorption tube (8)
Face is provided with the graduation mark that unit is milliliter, and the zero graduation of the graduation mark is arranged in the front surface lower part of lower absorption tube (8)
Position.
6. improved porous plate absorption tube as described in claim 1, which is characterized in that the multi-directional ball (10) specifically uses
Rubber multi-directional ball；The multi-directional ball (10) is embedded in the upper inside position of upper spindle bar (61)；The constraint snap ring
(66) the specific rubber snap ring for using right side to be provided with opening；The constraint snap ring (66) is connected to the left side of air inlet pipe (5)
Lower position.
7. improved porous plate absorption tube as claimed in claim 2, which is characterized in that first dust cap (75) and the
The silicon rubber cup of one end sealing is respectively adopted in two dust caps (77)；The outlet pipe sleeve (71) and air inlet pipe sleeve (73) is respectively adopted
Silica gel sheath；Nylon rope is respectively adopted in first connecting rope (74) and the second connecting rope (76)；Connecting band (72) tool
Body uses nylon tape.
8. improved porous plate absorption tube as claimed in claim 2, which is characterized in that the outlet pipe sleeve (71) is socketed in
The outer surface lower position of outlet connecting tube (2)；The outer surface that the air inlet pipe sleeve (73) is socketed in inlet pipe connection (3) is left
Side position；First dust cap (75) is socketed in the outer surface right end position of inlet pipe connection (3)；Described second is dust-proof
Cap (77) is socketed in the outer surface upper end position of outlet connecting tube (2).
9. improved porous plate absorption tube as described in claim 1, which is characterized in that the reinforcing cross bar (13) is specifically adopted
With the glass rod of cylindrical type；The lower absorption tube (8) specifically uses transparent glass tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822067741.8U CN209387356U (en) | 2018-12-10 | 2018-12-10 | A kind of improved porous plate absorption tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822067741.8U CN209387356U (en) | 2018-12-10 | 2018-12-10 | A kind of improved porous plate absorption tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209387356U true CN209387356U (en) | 2019-09-13 |
Family
ID=67871366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822067741.8U Active CN209387356U (en) | 2018-12-10 | 2018-12-10 | A kind of improved porous plate absorption tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209387356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199847A (en) * | 2022-06-27 | 2022-10-18 | 济南市疾病预防控制中心 | Porous glass plate sealing device |
-
2018
- 2018-12-10 CN CN201822067741.8U patent/CN209387356U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199847A (en) * | 2022-06-27 | 2022-10-18 | 济南市疾病预防控制中心 | Porous glass plate sealing device |
| CN115199847B (en) * | 2022-06-27 | 2023-09-22 | 济南市疾病预防控制中心 | Porous glass plate sealing device |
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