CN209848924U - Occupational health detects with porous glass board absorbed tube liquid feeding device - Google Patents
Occupational health detects with porous glass board absorbed tube liquid feeding device Download PDFInfo
- Publication number
- CN209848924U CN209848924U CN201920278426.1U CN201920278426U CN209848924U CN 209848924 U CN209848924 U CN 209848924U CN 201920278426 U CN201920278426 U CN 201920278426U CN 209848924 U CN209848924 U CN 209848924U
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- Prior art keywords
- porous glass
- liquid
- glass plate
- plate absorption
- absorption tube
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Abstract
The utility model relates to an occupational health detects the field, and more specifically says that it relates to an occupational health detects with porous glass board absorbed tube liquid feeding device, aims at solving the inconvenient problem of porous glass board absorbed tube liquid feeding, and its technical scheme main points are: the liquid adding device comprises a pipette, a porous glass plate absorption tube and a liquid adding hose communicated with the pipette and the porous glass plate absorption tube, wherein the porous glass plate absorption tube is connected with the liquid adding hose through a connecting mechanism, and the pipette uses an injector. The utility model discloses a design of syringe and liquid feeding hose for the injection of sample that carries on that porous glass board absorbed tube can be convenient.
Description
Technical Field
The utility model relates to an occupational health detects the field, and more specifically says that it relates to an occupational health detects with porous glass board absorbed tube liquid feeding device.
Background
In occupational health and environmental detection field, most inorganic matters in the air need to adopt porous glass board absorption tube to gather, and the analyst need add the liquid absorption liquid into porous glass board absorption tube through elbow bend in the sample preparation stage before the sampling, because of the easy stifled liquid feeding of elbow bend is not smooth, so during the liquid feeding need handheld auricle to keep the state of breathing in at another port, and another handheld pipette slowly adds a certain amount of absorption liquid into porous glass board absorption tube.
The liquid taking end of the pipette cannot be completely matched with the sample adding port of the porous glass plate absorption tube, and if the left hand and the right hand of an operator are not well matched in the sample adding process, absorption liquid leaks out, so that the accuracy of the volume of the absorption liquid in the porous glass plate absorption tube is influenced.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a porous glass board absorbed tube liquid feeding device is used in occupational health detection, through the design of syringe with the liquid feeding hose for the injection of sample is carried out that porous glass board absorbed tube can be convenient.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a occupational health detects with porous glass board absorbed tube liquid feeding device, includes pipette, porous glass board absorbed tube, communicates the liquid feeding hose of pipette and porous glass board absorbed tube, and wherein porous glass board absorbed tube passes through coupling mechanism with the liquid feeding hose and is connected, the pipette uses the syringe.
When the device is used, a sample is sucked by the injector, then the injector is connected with the porous glass plate absorption tube by the liquid adding hose, and the sample can be injected into the porous glass plate absorption tube along the liquid adding hose only by pushing the injector, so that the sample is injected.
The utility model discloses further set up to: one end of the liquid feeding hose is tightly sleeved outside the injection head of the injector, and the other end of the liquid feeding hose penetrates into the liquid inlet of the porous glass plate absorption tube.
When the injection device is used, one end of the liquid feeding hose is connected to the injection head through the elasticity of the liquid feeding hose, and the other end of the liquid feeding hose penetrates into the porous glass plate absorption tube, so that a sample is not easy to flow out of the porous glass plate absorption tube.
The utility model discloses further set up to: the injection head and the liquid feeding hose of the injector are positioned in the liquid inlet.
When the liquid injection device is used, the injection head can be further moved until the injection head sleeved with the liquid feeding hose extends into the liquid inlet, and the injection head, the liquid feeding hose and the liquid inlet are coaxially arranged and mutually abutted, so that the purpose of preventing a sample from flowing out of the injection head can be further achieved.
The utility model discloses further set up to: a liquid inlet pipe for feeding is arranged at the top of the porous glass plate absorption pipe, one end of the liquid feeding hose is sleeved outside the liquid transfer pipe, and the other end of the liquid feeding hose is sleeved outside the liquid inlet pipe; the connecting mechanism comprises a plurality of elastic abutting pieces abutting against the outer wall of the liquid adding hose and an abutting cap abutting against the elastic abutting pieces tightly against the liquid adding hose, wherein the outer wall of each elastic abutting piece is provided with a thread, and the abutting cap is sleeved outside the elastic abutting pieces and is in threaded connection with the elastic abutting pieces.
The liquid feeding hose can also be located outside the pipette with one end cover, and outside the liquid inlet pipe was located to the other end cover, both ends all locked through the elasticity of liquid feeding hose self, but the liquid feeding hose after repetitious usage, elasticity can change, is difficult to reach sufficient sealed effect, consequently sets up coupling mechanism, supports liquid inlet pipe and liquid feeding hose through elasticity butt piece and tightly.
The utility model discloses further set up to: the elastic abutting sheet extends along the axial direction of the liquid inlet pipe; the one end that the mouth of pipe was kept away from to the feed liquor pipe of elasticity butt joint piece is connected in the feed liquor pipe, and the radial perk of feed liquor pipe is followed to the other end, and the liquid feeding hose is located between perk end and the feed liquor pipe of elasticity butt joint piece.
The elastic abutting sheet is directly connected to the liquid inlet pipe, so that the elastic abutting sheet is prevented from being mounted every time of use, and the use is very troublesome; meanwhile, the tilting end of the elastic abutting piece and the liquid inlet pipe form a cavity, and the liquid adding hose is inserted into the cavity to further limit the liquid adding hose.
The utility model discloses further set up to: and a sealing ring is arranged between the elastic abutting sheet and the liquid inlet pipe, the sealing ring abuts against the joint of the elastic abutting sheet and the liquid inlet pipe, and the liquid feeding hose abuts against the sealing ring.
The sealing washer is located the deepest of cavity that elasticity butt piece and feed liquor pipe enclose, and the liquid feeding hose is after stretching into the cavity, butt in the sealing washer to further increase sealed effect.
The utility model discloses further set up to: the abutting cap moves along the axial direction of the liquid inlet pipe; the tight cap that supports includes with elasticity butt piece screw thread complex screw thread portion, connects in the arc extrusion piece of screw thread portion, wherein the arc extrusion piece is connected in the one end of the inlet of screw thread portion away from the feed liquor pipe, the arc extrusion piece is followed the radial bending of feed liquor pipe and is pressed elasticity butt piece towards the feed liquor pipe.
Along with the rotation of screw thread portion, support the cap and be close to the mouth of pipe of feed liquor pipe gradually, the perk portion of elasticity butt piece is pushed down by screw thread portion this moment, is extruded by arc extrusion piece afterwards, and is all supported tightly outside and in until arc extrusion piece, elasticity butt piece, liquid feeding hose, feed liquor pipe four, reach the purpose of locking liquid feeding hose.
The utility model discloses further set up to: and a friction block is arranged on the outer wall of the threaded part.
Through the design of the friction block, the abutting cap can rotate conveniently, so that the liquid adding hose can be locked and loosened conveniently.
To sum up, the utility model discloses following beneficial effect has:
firstly, through the design of an injector and a liquid adding hose, the porous glass plate absorption tube can conveniently inject a sample;
secondly, through coupling mechanism's design for can be more firm sealed support tightly between heating hose and the filling tube, prevent that there is the sample from flowing out from.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a schematic structural diagram of the second embodiment;
FIG. 3 is a schematic structural diagram according to a third embodiment;
fig. 4 is an enlarged view of a portion a of fig. 3.
In the figure: 1. a pipette; 2. a porous glass panel absorber tube; 21. a liquid inlet pipe; 3. a liquid feeding hose; 4. a connecting mechanism; 41. an elastic abutting piece; 42. abutting the cap; 43. a threaded portion; 44. an arc-shaped extrusion sheet; 45. a friction block; 46. an elastic rubber ring.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The first embodiment is as follows: a porous glass plate absorption tube liquid adding device for occupational health detection is shown in figure 1 and comprises a pipette 1, a porous glass plate absorption tube 2 and a liquid adding hose 3 for communicating the pipette 1 with the porous glass plate absorption tube 2, wherein the pipette 1 uses an injector, and the liquid adding hose 3 uses a rubber tube. One end of the liquid feeding hose 3 is connected to the injection head through the elasticity of the hose, and the other end penetrates into the liquid inlet of the porous glass plate absorption tube 2, so that a sample is not easy to flow out of the porous glass plate absorption tube 2.
The using method comprises the following steps: when in use, firstly, a sample is sucked by an injector, then a liquid adding hose 3 is sleeved on an injection head of the injector, and the injector is connected with the porous glass plate absorption tube 2;
then insert liquid feeding hose 3 into porous glass board absorbed tube 2, only need to promote the syringe this moment, can inject the sample into porous glass board absorbed tube 2 along liquid feeding hose 3 in, realize the injection of sample.
Example two: a porous glass plate absorption tube liquid adding device for occupational health detection is shown in figure 2, and is different from the first embodiment in that: when the device is used, the injection head can be further moved until the injection head sleeved with the liquid adding hose 3 extends into the liquid inlet of the porous glass plate absorption tube 2, at the moment, the injection head, the liquid adding hose 3 and the liquid inlet are coaxially arranged and are mutually abutted from inside to outside, and the purpose of preventing a sample from flowing out of the injection head can be further achieved. At this time, the liquid feeding hose 3 has an effect similar to a gasket, and serves as a sealing member for sealing the sample liquid and an elastic member elastically connected between the injection head and the liquid inlet.
Example three: a porous glass plate absorption tube liquid adding device for occupational health detection is shown in figures 3 and 4, and is different from the first embodiment in that: the glass pipe that is used for the feeding at 2 tops of porous glass board absorbed tube is named as feed liquor pipe 21, and outside pipette 1 was located to the also accessible pot head of liquid feeding hose 3, outside feed liquor pipe 21 was located to the other pot head, both ends all locked through the elasticity of liquid feeding hose 3 self to avoid the rubber material of liquid feeding hose 3 and porous glass board absorbed tube 2's glass material coefficient of friction too big, lead to liquid feeding hose 3 to be difficult to fill in the problem in the feed liquor pipe 21.
The liquid feeding hose 3 is sleeved outside the liquid inlet pipe 21 through the elasticity of the liquid feeding hose 3 to realize connection, and in order to avoid the elasticity of the liquid feeding hose 3 changing after multiple uses and to avoid difficulty in achieving a sufficient sealing effect, the liquid feeding hose 3 is connected with the liquid inlet pipe 21 through the connecting mechanism 4. The connecting mechanism 4 includes a plurality of elastic contact pieces 41 extending along the axial direction of the liquid inlet pipe 21 and contacting the outer wall of the charging hose 3, and a contact cap 42 contacting the elastic contact pieces 41 tightly to the charging hose 3, wherein the plurality of elastic contact pieces 41 surround a circumference, the outer wall of the elastic contact piece 41 is provided with threads, and the contact cap 42 is sleeved outside the elastic contact piece 41 and is in threaded connection with the elastic contact piece 41 surrounding the circumference.
One end, far away from the opening of the liquid inlet pipe 21, of the elastic abutting sheet 41 is connected to the liquid inlet pipe 21, and the other end of the elastic abutting sheet 41 is tilted along the radial direction of the liquid inlet pipe 21, so that a cavity is defined by the tilted end of the elastic abutting sheet 41 and the liquid inlet pipe 21, and the liquid adding hose 3 is inserted into the cavity to limit the liquid adding hose 3. Wherein the connection end of the elastic abutting sheet 41 and the liquid feeding pipe is realized through an elastic rubber ring 46, the elastic rubber ring 46 is sleeved outside the circumference enclosed by the elastic abutting sheet, the elastic abutting sheet is provided with a containing groove matched with the elastic rubber ring 46, and the elastic rubber ring 46 is provided with a plurality of layers in order to achieve firm connection effect.
A sealing ring is arranged between the elastic abutting sheet 41 and the liquid inlet pipe 21, the sealing ring is positioned in the deepest part of a cavity enclosed by the elastic abutting sheet 41 and the liquid inlet pipe 21, and the liquid adding hose 3 abuts against the sealing ring after extending into the cavity, so that the sealing effect is further improved.
The abutting cap 42 moves in the longitudinal direction of the elastic abutting piece 41 when abutting the elastic abutting piece 41 against the filler hose 3. The abutting cap 42 includes a screw portion 43 screw-engaged with the elastic abutting piece 41, and an arc-shaped pressing piece 44 connected to the screw portion 43, wherein the arc-shaped pressing piece 44 is connected to an end of the screw portion 43 away from the liquid inlet of the liquid inlet pipe 21, and the arc-shaped pressing piece 44 is bent in a radial direction of the liquid inlet pipe 21 and presses the elastic abutting piece 41 toward the liquid inlet pipe 21.
Along with the rotation of the thread part 43, the abutting cap 42 is gradually close to the pipe orifice of the liquid inlet pipe 21, at the moment, the tilting part of the elastic abutting sheet 41 is pressed down by the thread part 43 and then is extruded by the arc-shaped extrusion sheet 44 until the arc-shaped extrusion sheet 44, the elastic abutting sheet 41, the liquid feeding hose 3 and the liquid inlet pipe 21 are all abutted from outside to inside, and the purpose of locking the liquid feeding hose 3 is achieved. For a more efficient screwing of the abutment cap 42, a friction block 45 is provided on the outer wall of the threaded portion 43.
The working process is as follows: when the connecting mechanism 4 is used, the liquid feeding hose 3 is firstly inserted into a cavity between the elastic abutting sheet 41 and the liquid inlet pipe 21 until the liquid feeding hose 3 abuts against the sealing ring;
then the abutting cap 42 is rotated, the elastic abutting sheet 41 is pressed towards the liquid feeding pipe through the arc-shaped extrusion sheet 44 until the arc-shaped extrusion sheet 44, the elastic abutting sheet 41, the liquid feeding hose 3 and the liquid feeding pipe 21 are all abutted from outside to inside, and the purpose of locking the liquid feeding hose 3 is achieved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a occupational health detects uses porous glass board absorbed tube liquid feeding device which characterized in that: the liquid adding device comprises a pipette (1), a porous glass plate absorption tube (2), and a liquid adding hose (3) communicating the pipette (1) and the porous glass plate absorption tube (2), wherein the porous glass plate absorption tube (2) is connected with the liquid adding hose (3) through a connecting mechanism (4), and the pipette (1) uses a syringe.
2. The porous glass plate absorption tube liquid adding device for occupational health detection of claim 1, wherein the porous glass plate absorption tube liquid adding device comprises: one end of the liquid feeding hose (3) is tightly sleeved outside the injection head of the injector, and the other end of the liquid feeding hose penetrates into the liquid inlet of the porous glass plate absorption tube (2).
3. The porous glass plate absorption tube liquid adding device for occupational health detection of claim 2, wherein the porous glass plate absorption tube liquid adding device comprises: the injection head and the liquid feeding hose (3) of the injector are positioned in the liquid inlet.
4. The porous glass plate absorption tube liquid adding device for occupational health detection of claim 1, wherein the porous glass plate absorption tube liquid adding device comprises: a liquid inlet pipe (21) for feeding is arranged at the top of the porous glass plate absorption pipe (2), one end of the liquid feeding hose (3) is sleeved outside the pipette (1), and the other end of the liquid feeding hose is sleeved outside the liquid inlet pipe (21); the connecting mechanism (4) comprises a plurality of elastic abutting pieces (41) abutting against the outer wall of the liquid adding hose (3) and an abutting cap (42) abutting against the elastic abutting pieces (41) against the liquid adding hose (3), wherein threads are arranged on the outer wall of the elastic abutting pieces (41), and the abutting cap (42) is sleeved outside the elastic abutting pieces (41) and is in threaded connection with the elastic abutting pieces (41).
5. The porous glass plate absorption tube liquid adding device for occupational health detection of claim 4, wherein the porous glass plate absorption tube liquid adding device comprises: the elastic abutting sheet (41) extends along the axial direction of the liquid inlet pipe (21); one end, far away from the pipe opening of the liquid inlet pipe (21), of the elastic abutting sheet (41) is connected to the liquid inlet pipe (21), the other end of the elastic abutting sheet is tilted along the radial direction of the liquid inlet pipe (21), and the liquid feeding hose (3) is located between the tilted end of the elastic abutting sheet (41) and the liquid inlet pipe (21).
6. The porous glass plate absorption tube liquid adding device for occupational health detection of claim 5, wherein the porous glass plate absorption tube liquid adding device comprises: a sealing ring is arranged between the elastic abutting piece (41) and the liquid inlet pipe (21), the sealing ring abuts against the joint of the elastic abutting piece (41) and the liquid inlet pipe (21), and the liquid adding hose (3) abuts against the sealing ring.
7. The porous glass plate absorption tube liquid adding device for occupational health detection of claim 4, wherein the porous glass plate absorption tube liquid adding device comprises: the abutting cap (42) moves along the axial direction of the liquid inlet pipe (21); the abutting cap (42) comprises a threaded portion (43) in threaded fit with the elastic abutting piece (41) and an arc-shaped extrusion piece (44) connected to the threaded portion (43), wherein the arc-shaped extrusion piece (44) is connected to one end, away from the liquid inlet of the liquid inlet pipe (21), of the threaded portion (43), and the arc-shaped extrusion piece (44) is radially bent along the liquid inlet pipe (21) and presses the elastic abutting piece (41) towards the liquid inlet pipe (21).
8. The porous glass plate absorption tube liquid adding device for occupational health detection of claim 7, wherein the porous glass plate absorption tube liquid adding device comprises: and a friction block (45) is arranged on the outer wall of the threaded part (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920278426.1U CN209848924U (en) | 2019-03-05 | 2019-03-05 | Occupational health detects with porous glass board absorbed tube liquid feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920278426.1U CN209848924U (en) | 2019-03-05 | 2019-03-05 | Occupational health detects with porous glass board absorbed tube liquid feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209848924U true CN209848924U (en) | 2019-12-27 |
Family
ID=68933279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920278426.1U Expired - Fee Related CN209848924U (en) | 2019-03-05 | 2019-03-05 | Occupational health detects with porous glass board absorbed tube liquid feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209848924U (en) |
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2019
- 2019-03-05 CN CN201920278426.1U patent/CN209848924U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |