CN212791025U - Chemical medicine taking device for test - Google Patents
Chemical medicine taking device for test Download PDFInfo
- Publication number
- CN212791025U CN212791025U CN202021525908.1U CN202021525908U CN212791025U CN 212791025 U CN212791025 U CN 212791025U CN 202021525908 U CN202021525908 U CN 202021525908U CN 212791025 U CN212791025 U CN 212791025U
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- CN
- China
- Prior art keywords
- flow
- head
- suction pipe
- rubber head
- straw
- 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.)
- Expired - Fee Related
Links
- 239000000126 substance Substances 0.000 title claims abstract description 16
- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 239000003814 drug Substances 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 230000000903 blocking effect Effects 0.000 claims abstract description 28
- 239000010902 straw Substances 0.000 claims abstract description 26
- 239000006096 absorbing agent Substances 0.000 claims abstract description 20
- 239000003292 glue Substances 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 11
- 229910002027 silica gel Inorganic materials 0.000 claims description 11
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 208000007271 Substance Withdrawal Syndrome Diseases 0.000 claims 2
- 230000002745 absorbent Effects 0.000 claims 2
- 239000002250 absorbent Substances 0.000 claims 2
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 8
- 238000007705 chemical test Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model discloses a chemical medicine taking device for tests, which belongs to the technical field of chemical test auxiliary devices and comprises a suction pipe and a rubber head, wherein a flow blocking part is arranged between the suction pipe and the rubber head, the flow blocking part can prolong the flow of liquid from the suction pipe to the rubber head, and an elastic absorber is filled in the rubber head; the utility model discloses simple structure when can easily absorb liquid in the reagent bottle, also can prevent liquid refluence in the straw effectively, has improved the life of rubber head drip tube.
Description
Technical Field
The utility model belongs to the technical field of the experimental auxiliary device of chemistry, concretely relates to experimental chemistry device of getting it filled.
Background
In a chemical test, a medicine is often required to be taken out of a reagent bottle and added into a reactor, wherein a liquid raw material is often required, when the liquid is taken, a rubber head dropper is generally used, as shown in fig. 1, the commonly used rubber head dropper is composed of a straw 1 and a rubber head 2 arranged at the top of the straw 1, when the rubber head 2 is used, a hand extrudes the rubber head 2 and inserts the straw 1 into the reagent bottle, the rubber head 2 is loosened, and the liquid is sucked into the straw 1, so that the liquid is sucked; the method for taking the reagent is simple, but because the chemical reagent generally has corrosiveness, if the rubber head dropper is placed horizontally or even inverted carelessly after being used, the residual reagent in the sucker can flow back into the rubber head to corrode the rubber head, so that the problem to be solved in a chemical test is how to prevent the rubber head from being corroded and improve the service life of the rubber head dropper.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an experimental chemistry device of getting it filled.
The utility model provides a technical scheme be, a device of getting it filled with chemistry is experimental, including the straw with glue the head, the straw with glue and be equipped with the choked flow portion between the head, the choked flow portion is used for extension liquid to flow to the flow of gluing the head from the straw, it is filled with elastic absorber to glue the head intussuseption.
Preferably, the flow blocking part is a pipe body structure formed by a plurality of communicated S-shaped bent parts, and protrusions are uniformly distributed on the inner wall of the flow blocking part.
Preferably, the choked flow portion includes the body, the body both ends respectively with the straw with glue the head intercommunication, both ends are equipped with the screen cloth respectively in the body, two it has silica gel particle to fill between the screen cloth, silica gel particle's particle diameter is 100 ~ 200 meshes.
Preferably, the flow blocking part is sleeved on the suction pipe, and a sealing part is arranged at the joint of the flow blocking part and the top of the suction pipe.
Preferably, the choke end is equipped with connecting portion, connecting portion extend to the direction that is close to the straw, the rubber head cover is established on the connecting portion, elastic absorber extends to in the connecting portion.
Preferably, the volume of the rubber head is 3-4 times of the minimum volume of the elastic absorber.
Preferably, the elastic absorber is a porous sponge.
Preferably, a choke piece is arranged at one end, close to the choke portion, in the suction pipe, and a plurality of vent holes are formed in the choke piece.
Preferably, the outer wall of one end of the suction pipe, which is close to the flow blocking portion, is fixedly connected with a base, and the base and the rubber head are respectively located on two sides of the suction pipe.
Preferably, the suction pipe is provided with scales.
The utility model has the advantages that:
compared with the traditional rubber head dropper, the utility model is provided with the flow choking part between the suction pipe and the rubber head, the flow choking part can prolong the flow of the liquid from the suction pipe to the rubber head, if a user carelessly inverts the burette or transversely puts the burette, the liquid in the suction pipe can flow to the flow choking part, and the rubber head can not be directly eroded; in addition, the rubber head is filled with the elastic absorber, the gas in the elastic absorber can circulate, the extrusion of the rubber head to discharge the gas is not hindered, even if the liquid in the flow choking part flows to the rubber head, the elastic absorber can absorb the liquid, and the inner wall of the rubber head cannot be directly corroded; the structure is simple, liquid in the reagent bottle can be easily sucked, meanwhile, the phenomenon that the rubber head is corroded due to backflow of the liquid in the suction pipe can be effectively prevented, and the service life of the rubber head dropper is prolonged.
Drawings
FIG. 1 is a schematic diagram of a prior art applicator dropper;
fig. 2 is a schematic structural diagram of a chemical medicine taking device for testing provided by the present invention;
FIG. 3 is a schematic view of the interior of the rubber head in FIG. 2;
FIG. 4 is a schematic structural view of the flow blocking portion of FIG. 2 with protrusions disposed therein;
fig. 5 is a schematic structural view of the flow resisting portion of fig. 2 when silica gel particles are filled therein;
fig. 6 is a schematic view of a specific structure of the spoiler of fig. 2;
fig. 7 is a schematic view of the chemical drug dispensing device for testing of fig. 2 in a horizontal position.
Description of reference numerals:
1. the suction pipe comprises a suction pipe body, 2 parts of a rubber head, 3 parts of a flow blocking part, 31 parts of a protrusion, 32 parts of silica gel particles, 33 parts of a screen, 4 parts of an elastic absorber, 5 parts of a connecting part, 6 parts of a flow blocking part, 61 parts of a vent hole, 7 parts of a base, 8 parts of a scale.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
The utility model provides a chemical medicine taking device for test, as shown in fig. 2 and 3, includes straw 1 and gluey head 2, be equipped with choked flow portion 3 between straw 1 and gluey head 2, choked flow portion 3 is used for prolonging the flow that liquid flows to gluey head 2 from straw 1, and choked flow portion 3's material is the same with straw 1, it is filled with elastic absorber 4 to glue head 2.
Compared with the traditional rubber head dropper, the utility model is provided with the flow choking part 3 between the suction pipe 1 and the rubber head 2, the flow choking part 3 can prolong the flow of the liquid from the suction pipe 1 to the rubber head 2, if a user carelessly inverts the burette or transversely puts the burette, the liquid in the suction pipe 1 can flow to the flow choking part 3, and the rubber head 2 can not be directly eroded; in addition, the rubber head 2 is filled with the elastic absorber 4, the gas in the elastic absorber 4 can pass through, and does not hinder the extrusion rubber head 2 from discharging the gas, even if the liquid in the flow resisting part 3 flows to the rubber head 2, the elastic absorber 4 can absorb the liquid, and the inner wall of the rubber head 2 cannot be directly corroded; the structure is simple, liquid in the reagent bottle can be easily sucked, meanwhile, the phenomenon that the rubber head 2 is corroded due to backflow of the liquid in the suction pipe 1 can be effectively prevented, and the service life of the rubber head dropper is prolonged.
Choked flow portion 3 is used for prolonging liquid and flows to the flow of gluing head 2 from straw 1, specifically can set to the bending structure, has lengthened liquid and has reachd the flow of gluing head 2, make liquid can not arrive smoothly and glue head 2, choked flow portion 3 can be the body construction that the S-shaped flexion of a plurality of intercommunications constitutes, its material is the same with straw 1, be the material that traditional rubber head burette body used, body construction can guarantee that gas can circulate, and in order to further prevent liquid flow to glue the head, 3 inner wall evenly distributed of choked flow portion have arch 31 (as shown in figure 4), compare in smooth inside, the inner wall roughness that is equipped with arch 31 is great, can reduce the liquid flow rate effectively.
In addition, except for setting the flow blocking part 3 to be a curved structure, the liquid can reach the glue head 2 only through gaps between fillers in a filling mode, the flow path is lengthened, and thus the probability of the liquid entering the glue head 2 is reduced, specifically, as shown in fig. 5, the flow blocking part 3 is a tube structure, the material of the flow blocking part 3 is the same as that of the suction tube 1, the material is used for the tube body of the traditional glue head dropper, both ends in the flow blocking part 3 are respectively provided with a screen 33, silica gel particles 32 are filled between the two screen 33, the particle size of the silica gel particles 32 is 100-200 meshes, the two screen 33 limit the silica gel particles in the flow blocking part 3, the silica gel particles cannot enter the suction tube 1 and the glue head 2 at both sides, the gaps between the silica gel particles 32 can allow the gas to pass through, the exhaust and liquid suction cannot be influenced, and the liquid needs to pass, thereby preventing liquid from flowing to the rubber head 2.
In order to facilitate replacement, the flow blocking part 3 can be detached from the straw 1, the flow blocking part 3 is sleeved on the straw 1, a sealing element is arranged at the joint of the flow blocking part 3 and the top of the straw 1, and the sealing element can prevent liquid absorption from being influenced by air leakage.
The end of the flow resisting part 3 is provided with a connecting part 5, the connecting part 5 extends towards the direction close to the suction pipe 1, the glue head 2 is sleeved on the connecting part 5, the suction pipe is supposed to be inverted by a user carelessly, the glue head 2 is upwards close to the suction pipe 1 at the moment, namely, liquid can only reach the connecting part 5 at most and is difficult to enter the suction pipe 2, the liquid can be further prevented from entering the glue head 2, the elastic absorber 4 extends into the connecting part 5, and the elastic absorber 4 can absorb the liquid reaching the connecting part 5 in advance without eroding the inner wall of the glue head 2.
In order to prevent the influence on the air exhaust and liquid absorption process of the rubber head due to the fact that the elastic absorber 4 is filled in the rubber head 2, the volume of the rubber head 2 is 3-4 times of the minimum volume of the elastic absorber 4, namely, when the rubber head 2 is extruded, the elastic absorber 4 can be compressed along with the rubber head 2, gas in the rubber head 2 sequentially passes through the flow choking part 3 to be discharged out of the suction pipe 1, and liquid absorption can be achieved after the suction pipe 1 is inserted into liquid to be taken.
In order to achieve the above object, the elastic absorption body 4 may be selected from a porous sponge body which is capable of both allowing gas to pass therethrough and absorbing liquid.
In order to further prevent the backflow of the liquid, a flow blocking piece 6 is arranged at one end, close to the flow blocking portion 3, in the suction pipe 1, a plurality of vent holes 61 are formed in the flow blocking piece 6, the flow blocking piece 6 is arranged in the suction pipe 1, when the liquid passes through the vent holes, the flow rate of the liquid can be reduced to a certain degree by the flow blocking piece 6, and the vent holes 61 can ensure that the gas in the glue head 2 can be discharged (as shown in fig. 6).
In order to facilitate a user to temporarily place the rubber head dropper, the outer wall of one end, close to the flow blocking portion 3, of the straw 1 is fixedly connected with the base 7, the base 7 and the rubber head 2 are respectively located on two sides of the straw 1, when the rubber head dropper needs to be temporarily placed, the base 7 can be placed on a desktop as shown in fig. 7, at the moment, the rubber head 2 is tilted upwards, and liquid cannot enter the rubber head 2.
In order to conveniently and quantitatively suck liquid, the suction pipe 1 is provided with scales 8.
The above disclosure is only for the specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be considered by those skilled in the art should fall into the protection scope of the present invention.
Claims (10)
1. The utility model provides a chemical medicine taking device for test, includes straw (1) and glues head (2), its characterized in that, straw (1) with be equipped with choked flow portion (3) between gluing head (2), choked flow portion (3) are used for prolonging the flow that liquid flowed to gluing head (2) from straw (1), it is filled with elastic absorber (4) to glue head (2).
2. The chemical medicine taking device for the test according to claim 1, wherein the flow resisting part (3) is a pipe body structure consisting of a plurality of communicated S-shaped bent parts, and protrusions (31) are uniformly distributed on the inner wall of the flow resisting part (3).
3. The chemical medicine taking device for the test according to claim 1, wherein the flow resisting part (3) comprises a tube body, two ends of the tube body are respectively communicated with the suction tube (1) and the rubber head (2), two ends of the tube body are respectively provided with a screen (33), silica gel particles (32) are filled between the two screens (33), and the particle size of the silica gel particles (32) is 100-200 meshes.
4. The chemical medicine taking device for the test according to claim 1, wherein the flow resisting part (3) is sleeved on the suction pipe (1), and a sealing part is arranged at the joint of the flow resisting part (3) and the top of the suction pipe (1).
5. The chemical medicine taking device for the test according to claim 1, wherein a connecting part (5) is arranged at the end of the flow resisting part (3), the connecting part (5) extends towards the direction close to the suction pipe (1), the rubber head (2) is sleeved on the connecting part (5), and the elastic absorber (4) extends into the connecting part (5).
6. Chemical dispensing device for testing according to claim 1, characterized in that the volume of the glue head (2) is 3-4 times the minimum volume of the elastic absorbent body (4).
7. Chemical dispensing device for testing according to claim 1, characterized in that the elastic absorbent body (4) is a porous sponge.
8. The chemical drug withdrawal device for test according to claim 1, wherein a flow blocking member (6) is provided at an end of the straw (1) adjacent to the flow blocking portion (3), and a plurality of vent holes (61) are provided on the flow blocking member (6).
9. The chemical medicine taking device for the test according to claim 1, wherein a base (7) is fixedly connected to the outer wall of one end, close to the flow blocking portion (3), of the suction pipe (1), and the base (7) and the glue head (2) are respectively located on two sides of the suction pipe (1).
10. Chemical drug withdrawal device for testing according to claim 1, characterized in that the straw (1) is provided with a scale (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021525908.1U CN212791025U (en) | 2020-07-28 | 2020-07-28 | Chemical medicine taking device for test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021525908.1U CN212791025U (en) | 2020-07-28 | 2020-07-28 | Chemical medicine taking device for test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212791025U true CN212791025U (en) | 2021-03-26 |
Family
ID=75105075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021525908.1U Expired - Fee Related CN212791025U (en) | 2020-07-28 | 2020-07-28 | Chemical medicine taking device for test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212791025U (en) |
-
2020
- 2020-07-28 CN CN202021525908.1U patent/CN212791025U/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: 20210326 |