CN217725598U - Extraction tube and bottle body thereof - Google Patents
Extraction tube and bottle body thereof Download PDFInfo
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- CN217725598U CN217725598U CN202221599705.6U CN202221599705U CN217725598U CN 217725598 U CN217725598 U CN 217725598U CN 202221599705 U CN202221599705 U CN 202221599705U CN 217725598 U CN217725598 U CN 217725598U
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Abstract
The utility model discloses a bottle, be equipped with the bottle chamber in the bottle, the annular equipartition is equipped with the protruding muscle that is used for the gaining in strength on the inner wall that the bottle chamber is close to the chamber bottom. The utility model also discloses an extraction tube, including a pipe body, the body include stopcock and as above the bottle. The utility model discloses an extraction tube and bottle thereof, through set up the protruding muscle near the chamber end on the inner wall in bottle chamber, the structure additional strengthening of protruding muscle can be at the extrusion bottle extrusion deformation volume of restriction bottle when dropping appearance, and simultaneously, protruding muscle still can reduce the extrusion deformation space of bottle, also further reduce the extrusion deformation volume of bottle, thereby can imitate the solution because of the too big problem of dropping appearance speed too fast that leads to of the extrusion deformation volume of bottle, the dropping liquid volume is too much, the problem of the volume of uncontrollable single dropping liquid, with the solution excess application of sample problem.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, specific be an extraction tube and bottle thereof.
Background
The extraction tube is a tool integrating sampling and sample adding, and is mainly used for in vitro diagnosis projects. Chinese patent publication No. CN216224457U discloses an extraction tube. This extraction tube includes pipe shaft, tube cap and water dropper all connect on the pipe shaft through an anticreep muscle, the tube cap is established the mouth end position at the pipe shaft including the lid with the home range of water dropper under the anticreep muscle tractive, the mouth end of pipe shaft is equipped with annular catching groove, the tube cap inboard be provided with annular catching groove assorted annular buckle, annular buckle can detain the annular catching groove. This extraction tube is equipped with annular catching groove and is realized sealing at the inboard mode that sets up annular knot of tube cap through the mouth end at the pipe shaft, though has certain sealed effect, still has following not enoughly:
1) When the extrusion body drips the appearance, because the body is softer, cause the extrusion volume too big easily, drip appearance speed too fast promptly, the dropping liquid volume is too much, is difficult to control the volume of single dropping liquid.
2) The pipe body can be extruded and deformed, so that the pipe orifice of the pipe body is easily deformed during film sealing, excessive colloid exists in the annular buckling groove, and the pipe cover is difficult to cover on the pipe body through the annular buckling groove;
3) Because the pipe shaft, tube cap etc. of extraction tube can extrude the deformation, when receiving the extrusion, annular catching groove and annular knot can break open, have the weeping risk.
Disclosure of Invention
In view of this, the utility model aims at providing an extraction tube and bottle thereof can control the dropping liquid volume, prevents to drip appearance fast excessively.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model discloses at first, a bottle has been proposed, be equipped with the bottle chamber in the bottle, the annular equipartition is equipped with the protruding muscle that is used for the gaining in strength on the inner wall that the bottle chamber is close to the chamber end.
Furthermore, the bottle cavity comprises a first cavity section close to the bottle opening and a second cavity section far away from the bottle opening, and the convex rib is arranged on the inner wall of the second cavity section.
Further, the width T of the rib satisfies: 0.5T 2 ≤T≤1.5T 2 Wherein, T 2 Is the wall thickness of the second cavity section.
Further, the wall thickness T of the first cavity section 1 Greater than the wall thickness T of the second cavity section 2 。
Further, the height of the convex ribs is 3mm-30mm.
The utility model also provides an extraction tube, including a pipe body, the body include stopcock and as above the bottle.
Further, a bottle opening is arranged on the bottle cavity, a plug column used for being plugged into the bottle cavity through the bottle opening is arranged on the pipe plug, a clearance groove is formed in the bottle opening, and the inner diameter of the clearance groove is larger than that of the bottle opening.
Further, the bottleneck is provided with an expanding section, and the inner diameter of the expanding section is gradually reduced along the direction of the bottleneck pointing to the cavity bottom of the bottle cavity.
Further, still include the pipe cap, be equipped with the dropping sample head on the stopcock, be equipped with the dropping sample hole in the dropping sample head. A communicating hole communicated with the sample dripping hole is formed in the plug; the pipe cap is internally provided with a cover groove with an opening at one end and used for being matched with the sample dripping head, and the bottom of the cover groove is provided with a sealing column used for being matched with the sample dripping hole in a sealing mode.
Further, a connecting belt is arranged between the bottle body and the pipe plug, and the bottle body and the pipe plug are connected into a whole through the connecting belt.
The beneficial effects of the utility model reside in that:
the utility model discloses a bottle, through set up the protruding muscle that is close to the chamber end on the inner wall in bottle chamber, the structure additional strengthening of protruding muscle can limit the extrusion deformation volume of bottle when the extrusion bottle drips appearance, and simultaneously, protruding muscle still can reduce the extrusion deformation space of bottle, also further reduces the extrusion deformation volume of bottle to can imitate to solve because of the too big appearance speed that drips that leads to of the extrusion deformation volume of bottle is too fast, the dropping liquid volume is too much, the problem of the dropping liquid volume of hard to control single, with the solution excess application of sample problem.
The utility model discloses an extraction tube still has following technological effect:
by arranging the pipe cap, the cover groove can be used for covering the sample dropping head, and meanwhile, the sealing column arranged at the bottom of the cover groove is closely matched with the sample dropping hole, so that the sealing effect can be improved, and liquid leakage can be prevented;
through setting up the clearance groove to the internal diameter that makes the clearance groove is greater than the internal diameter of bottleneck, so, form the step between bottleneck and clearance groove, this step region can hold a quantitative colloid, thereby when avoiding sealing the membrane to the bottleneck, seals the membrane because of the transition and collapses the problem that causes the many glues of oral area with the bottleneck position, makes the stopcock can fill in the bottle intracavity smoothly through the bottleneck.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
FIG. 1 is a schematic structural view of an embodiment of an extraction tube of the present invention, specifically a state diagram when a plug is plugged into a bottle body but a cap is not covered;
FIG. 2 is a full sectional view of the extraction tube of this embodiment with the plug inserted into the bottle mouth and the cap attached;
FIG. 3 is detail A of FIG. 2;
FIG. 4 is detail B of FIG. 3;
fig. 5 is a schematic structural view of the bottle body and the plug.
Description of reference numerals:
11-a pipe cap; 12-a sample dropper; 13-a sample dropping hole; 13 a-the outer end of the bore; 13 b-Kong Naduan; 14-a bottle body; 15-pipe plug; 16-a connecting band; 17-cover groove; 18-a sealed column; 19-a vial cavity; 20-bottle mouth; 21-plug column; 22-a communication hole; 23-avoiding the empty slot; 24-a flared section; 25-convex ribs; 26-a first cavity section; 27-a second cavity section.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in FIG. 1, the extraction tube for preventing liquid leakage of this embodiment comprises a tube body and a cap 11. The tube body is provided with a sample dripping head 12, and a sample dripping hole 13 is arranged in the sample dripping head 12. Specifically, the tube body of the embodiment includes a bottle body 14 and a tube plug 15, the sample dropper 12 is disposed on the tube plug 15, and a connecting band 16 is disposed between the bottle body 14 and the tube plug 15, and the connecting band 16 connects the bottle body 14 and the tube plug 15 into a whole. In order to control the sample dropping speed and the liquid dropping amount, the bottle cavity 19 of the present embodiment is provided with ribs 25 for increasing strength uniformly and annularly on the inner wall close to the cavity bottom, as shown in fig. 2. The structure additional strengthening of protruding muscle 25 can be at the extrusion bottle 14 extrusion deformation volume of limiting bottle 14 when dripping the appearance, and simultaneously, protruding muscle 25 still can reduce the extrusion deformation space of bottle 14, also further reduces the extrusion deformation volume of bottle 14 to can effectively solve because of the too big appearance speed of dripping that leads to of the extrusion deformation volume of bottle 14 is too fast, the dropping liquid volume is too much, the problem of the volume of the single dropping liquid of difficult control, in order to solve excessive application of sample problem. In this embodiment, the bottle cavity 19 includes a first cavity section 26 close to the bottle mouth 20 and a second cavity section 27 far from the bottle mouth 20, and the rib 25 is arranged on the inner wall of the second cavity section 27, in this embodiment, the wall thickness T of the first cavity section 26 1 Greater than the wall thickness T of the second cavity section 27 2 And the width T of the bead 25 satisfies: 0.5T 2 ≤T≤1.5T 2 Wherein, T 2 The ribs 25 have a height along the axis of the body 14 of 3mm to 30mm for the wall thickness of the second chamber section 27. The wall thickness T of the second cavity section 27 2 Is arranged to be smaller than the wall thickness T of the first cavity section 26 1 When the sample dropping device is used, the second cavity section 27 can be extruded by a small force, so that the second cavity section 27 is extruded and deformed to drive liquid to flow out of the sample dropping hole 13.
As shown in fig. 3-4, a cover groove 17 with an open end and used for matching with the sample dropping head 12 is arranged in the pipe cap 11, and a sealing column 18 used for sealing and matching with the sample dropping hole 13 is arranged at the bottom of the cover groove 17, so that the cover groove 17 is covered on the sample dropping head 12, and the sealing column 18 is inserted into the sample dropping hole 13, and the sealing effect can be improved, the sealing requirement can be met, and the liquid leakage can be prevented by using the sealing and matching relation between the sealing column 18 and the sample dropping hole 13. In particular, in the present embodiment, the cover slot 17 is in clearance fit with the sample dripping head 12,the fit clearance is L 1 To reduce the resistance of the cap 11 to being covered on or removed from the drip sample 12, and to facilitate the operation.
Specifically, in order to meet the sealing requirement between the sealing column 18 and the sample dropping hole 13, the embodiment adopts interference fit between the sealing column 18 and the sample dropping hole 13, and the interference fit amount is L 2 As shown in fig. 3-4. In order to facilitate the insertion of the sealing column 18 into the sample dropping hole 13 or the extraction of the sealing column 18 from the sample dropping hole 13, the outer diameter of the sealing column 18 is gradually increased along the direction pointing to the bottom of the groove of the opening of the cover groove 17 in the present embodiment, so that the head of the sealing column 18 away from the cover groove 17 is in clearance fit with the sample dropping hole 13, and thus the sealing column can be conveniently inserted into the sample dropping hole 13, and along with the increase of the depth of the sealing column 18 inserted into the sample dropping hole 13, the outer diameter of the sealing column 18 is gradually increased, and finally, the effect of interference fit is achieved. Specifically, as shown in fig. 3 to 4, in the present embodiment, in order to further facilitate insertion and extraction of the sealing column 18 into and from the dripping hole 13, the dripping hole 13 is also provided in a shape in which the inner diameter dimension gradually changes along the axial direction thereof. Specifically, the sample dropping hole 13 includes an inner end 13a (shown in fig. 5) communicating with the tube body and an outer end 13b (shown in fig. 5) communicating with the external environment, the inner diameter of the sample dropping hole 13 gradually decreases along the direction in which the outer end 13b of the hole points to Kong Naduan a, and the sealing column 18 is inserted into the sample dropping hole 13 from the outer end 13b of the sample dropping hole 13. Of course, in other embodiments, a tapered section may be further provided at an end of the sample dropping hole 13 close to the hole outer end 13a, an inner diameter of the tapered section gradually decreases along the hole outer end finger 13b toward the hole inner end 13a, and the tapered section is used to cooperate with the sealing column 18, at this time, the hole diameter of the sample dropping hole 13 at other positions except the tapered section may be kept constant. Meanwhile, in order to satisfy the requirement of the close fit, the outer diameter of the sealing column 18 at a certain position is required to be larger than the maximum value of the inner diameter of the dripping hole 13. Specifically, in this embodiment, the sealing post 18 is a cone, the sample dropping hole 13 or the diameter-variable section is a cone hole, and the cone angle α of the sealing post 18 is greater than the cone angle β of the sample dropping hole 13 or the diameter-variable section, so that the outer diameter of the head of the sealing post 18 is smaller than the maximum inner diameter of the sample dropping hole 13 or the diameter-variable section, but when the sealing post 18 is inserted into the sample dropping hole 13 or the diameter-variable section to a certain depth, the outer diameter of the sealing post 18 gradually increasesAnd is increased and larger than the maximum inner diameter of the dripping hole 13 or the variable diameter section, thereby realizing interference fit. Specifically, in the present embodiment, the preferable range of the taper angle α of the seal post 18 is: alpha is more than or equal to 5 degrees and less than or equal to 20 degrees, and the cone angle beta of the conical hole meets the following requirements: the angle of alpha-beta is more than or equal to 1 degree and less than or equal to 5 degrees, namely the cone angle beta of the dripping hole 13 or the reducing section is 1 to 5 degrees smaller than the cone angle alpha of the sealing column 18.
In this embodiment, the tube body is provided separately as the vial body 14 and the stopper 15, and the connection band 16 is provided between the vial body 14 and the stopper 15 to connect the vial body 14 and the stopper 15 integrally. As shown in fig. 5, a bottle cavity 19 is formed in the bottle body 14, and a bottle opening 20 is formed on the bottle cavity 19. To facilitate the engagement between the bottle body 14 and the plug 15, the plug 15 of the present embodiment is provided with a plug 21 for being inserted into the bottle cavity 19 through the bottle opening 20. Meanwhile, in order to allow the bottle chamber 19 to communicate with the dripping hole 13, a communicating hole 22 communicating with the dripping hole 13 is provided in the plug 21, so that when the plug 21 is inserted into the bottle opening 20, the bottle chamber 19 communicates with the dripping hole 13 through the communicating hole 22, that is, the liquid in the bottle chamber 19 can drip through the dripping hole 13.
As shown in fig. 5, the opening 20 of the present embodiment is provided with a clearance groove 23, and the inner diameter of the clearance groove 23 is larger than the inner diameter of the opening 20, so that an annular step is formed between the inner wall of the clearance groove 23 and the inner wall of the opening 20, the annular step can contain a certain amount of colloid, and the strength of the opening 20 can be increased, so as to avoid the problem that the opening 20 is squeezed and deformed when the film is sealed, i.e. the problem that the opening is too much glue due to the fact that the opening part is sealed and collapsed by the transitional sealing film when the film is sealed on the opening 20 is avoided, so that the plug 15 can be smoothly plugged into the cavity 19 through the opening 20. Specifically, the depth of the clearance groove 23 in this embodiment is 0.1mm to 1mm, and the difference between the inner diameter of the clearance groove 23 and the inner diameter of the bottle mouth 20 is 1mm to 4mm, that is, the radial width of the annular step is 0.5mm to 2mm. In addition, in order to facilitate the plug 21 to be capable of being matched with the bottle mouth 20, in this embodiment, a flared section 24 is further provided at the bottle mouth 20, and an inner diameter of the flared section 24 is gradually reduced along a direction that the bottle mouth 20 points to the bottom of the bottle cavity 19, so as to achieve a technical purpose of guiding the plug 21 into the bottle mouth 20. Specifically, the flared section 24 is disposed at one end of the clearance groove 23 facing the cavity bottom of the bottle cavity 19, and a difference between an inner diameter of the clearance groove 23 and a maximum inner diameter of the flared section 24 is 1mm to 4mm, that is, in this embodiment, the flared section 24 is regarded as a part of the bottle mouth 20.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (9)
1. A bottle, its characterized in that: a bottle cavity is arranged in the bottle body, and convex ribs for increasing strength are uniformly distributed on the inner wall of the bottle cavity close to the cavity bottom in an annular manner; the bottle cavity is provided with a bottle opening, the bottle cavity comprises a first cavity section close to the bottle opening and a second cavity section far away from the bottle opening, and the convex rib is arranged on the inner wall of the second cavity section.
2. The bottle of claim 1, wherein: the width T of the convex rib satisfies the following condition: 0.5T 2 ≤T≤1.5T 2 Wherein, T 2 Is the wall thickness of the second cavity section.
3. The bottle of claim 1, wherein: the wall thickness T of the first cavity section 1 Greater than the wall thickness T of the second cavity section 2 。
4. The vial of any one of claims 1-3, wherein: the height of the convex ribs is 3mm-30mm.
5. The utility model provides an extraction tube, includes the body, its characterized in that: the tube body comprises a stopper and a vial according to any one of claims 1 to 4.
6. The extraction tube of claim 5, wherein: the bottle is characterized in that a bottle opening is formed in the bottle cavity, a plug column used for being plugged into the bottle cavity through the bottle opening is arranged on the pipe plug, a clearance groove is formed in the bottle opening, and the inner diameter of the clearance groove is larger than that of the bottle opening.
7. The extraction tube of claim 6, wherein: the bottle mouth is provided with an opening expanding section, and the inner diameter of the opening expanding section is gradually reduced along the direction of the bottle mouth pointing to the bottom of the bottle cavity.
8. The extraction tube of claim 6, wherein: the pipe plug is provided with a sample dripping head, and a sample dripping hole is formed in the sample dripping head; a communicating hole communicated with the sample dripping hole is formed in the plug; the pipe cap is internally provided with a cover groove with an opening at one end and used for being matched with the sample dripping head, and the bottom of the cover groove is provided with a sealing column used for being matched with the sample dripping hole in a sealing mode.
9. The extraction tube of claim 5, wherein: and a connecting belt is arranged between the bottle body and the pipe plug and connects the bottle body and the pipe plug into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221599705.6U CN217725598U (en) | 2022-06-23 | 2022-06-23 | Extraction tube and bottle body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221599705.6U CN217725598U (en) | 2022-06-23 | 2022-06-23 | Extraction tube and bottle body thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217725598U true CN217725598U (en) | 2022-11-04 |
Family
ID=83842944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221599705.6U Active CN217725598U (en) | 2022-06-23 | 2022-06-23 | Extraction tube and bottle body thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217725598U (en) |
-
2022
- 2022-06-23 CN CN202221599705.6U patent/CN217725598U/en active Active
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