CN216685583U - Bottle cap matched with insertion tube - Google Patents
Bottle cap matched with insertion tube Download PDFInfo
- Publication number
- CN216685583U CN216685583U CN202220182218.3U CN202220182218U CN216685583U CN 216685583 U CN216685583 U CN 216685583U CN 202220182218 U CN202220182218 U CN 202220182218U CN 216685583 U CN216685583 U CN 216685583U
- Authority
- CN
- China
- Prior art keywords
- hollow sleeve
- bottle cap
- cover body
- top wall
- insertion tube
- 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
- 238000003780 insertion Methods 0.000 title abstract description 26
- 230000037431 insertion Effects 0.000 title abstract description 26
- 239000013013 elastic material Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000001631 haemodialysis Methods 0.000 description 2
- 230000000322 hemodialysis Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
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- Closures For Containers (AREA)
Abstract
The utility model provides a bottle cap matched with a cannula, which comprises: the cover body is provided with a hollow sleeve, the hollow sleeve is eccentrically arranged at the bottom of the top wall of the cover body and is communicated with the top wall of the cover body, and the hollow sleeve is made of elastic materials; the upper cover is provided with a through hole matched with the hollow sleeve. According to the utility model, the hollow sleeve is arranged at the bottom of the top wall of the cover body in an eccentric mode and is communicated with the top wall of the cover body, and the hollow sleeve is made of elastic materials, so that when the upper cover is rotated until the through hole is communicated with the hollow sleeve, the insertion pipe can be sequentially inserted into the through hole and the hollow sleeve and forms interference fit with the inner side wall inserted into the hollow sleeve. The inside wall of the hollow sleeve is in surface connection with the outside wall of the insertion tube, the contact area of the bottle cap and the insertion tube is large, and the sealing performance of the bottle cap is high.
Description
Technical Field
The utility model relates to a sealing device, in particular to a bottle cap matched with an insertion tube.
Background
Hemodialysis machines are common medical devices, and blood is filtered and purified by the hemodialysis machines and then returned to a human body. The filtered waste liquid is discharged from the cannula.
The collection vial is used to collect waste fluid expelled by the cannula. When collecting waste liquid, people need to open the bottle cap of the collecting bottle, so that one end of the insertion tube of the dialysate supply system extends into the collecting bottle through the bottle opening to receive the waste liquid flowing out from the insertion tube. The bottleneck of receiving flask is in open mode, and the foreign matter gets into in the bottle easily and causes the interior liquid pollution of bottle, and the receiving flask is emptyd easily, leads to the interior liquid of bottle to reveal.
The prior art provides a collecting bottle, the bottle lid of which is made of elastic material, and the bottle lid is provided with a perforation adapted to an insertion tube, and the aperture of the perforation is changeable so as to be attached to the outer wall of the insertion tube. However, the contact area between the through hole of the bottle cap and the insertion tube is small, and the sealing effect is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that the contact area between a through hole and an insertion tube is small, the sealing effect is limited, and therefore the bottle cap matched with the insertion tube is provided.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a vial cap adapted to fit a cannula, comprising: the cover body is provided with a hollow sleeve, the hollow sleeve is eccentrically arranged at the bottom of the top wall of the cover body and is communicated with the top wall of the cover body, and the hollow sleeve is made of elastic materials; the upper cover is provided with a through hole matched with the hollow sleeve.
Further, the hollow sleeve is cylindrical in shape.
Further, the cover body and the hollow sleeve are integrally formed.
Further, the length of the hollow sleeve is L1, the height of the side wall of the cover is L2, L2: l1 is 1.5-2: 1.
further, the lid still includes the mounting, be equipped with the mounting on the roof of lid.
Further, the fixing member includes a connecting portion and a stopper portion, one end of the connecting portion is connected to the top wall of the cover body, and the other end of the connecting portion is connected to the fixing member; the upper cover is provided with a fixing hole for the connecting part to pass through, and the connecting part is arranged in the fixing hole in a penetrating mode.
Further, the inside wall of lid is equipped with threaded connection portion.
The utility model has the following advantages:
through setting up the hollow sleeve, the bottom of the roof of lid is located to hollow sleeve off-centre to with the roof intercommunication of lid, the hollow sleeve is elastic material and makes, like this when rotating the upper cover to perforation and hollow sleeve intercommunication, the intubate can insert perforation and hollow sleeve in proper order, and with insert the telescopic inside wall of hollow and form interference fit. The inside wall of the hollow sleeve is in surface connection with the outside wall of the insertion tube, the contact area of the bottle cap and the insertion tube is large, and the sealing performance of the bottle cap is high.
Secondly, the hollow sleeve is arranged to be cylindrical, so that the distance from the inner peripheral wall of the hollow sleeve to the outer peripheral wall of the insertion tube is equal, the circumferential stress of the insertion tube is uniform, and the sealing performance of the bottle cap is further improved;
and the cover body and the hollow sleeve are integrally formed, so that the hollow sleeve is not required to be additionally provided with a fastener and is arranged at the bottom of the top wall of the cover body, and the manufacturing cost is low.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is an exploded view of the embodiment of FIG. 1;
fig. 3 is a schematic view of a usage scenario of the embodiment shown in fig. 1.
In the figure: 100-bottle cap, 10-cover body, 11-top wall, 12-hollow sleeve, 13-side wall, 131-threaded connection part, 14-fixing part, 141-connection part, 142-stopping part, 20-upper cover, 21-through hole and 22-fixing hole.
Detailed Description
The utility model is further explained with reference to the drawings and the embodiments.
Referring to fig. 1 to 3, the present embodiment provides a bottle cap 100 adapted to a cannula 200, the bottle cap 100 includes a cap body 10 and an upper cap 20 rotatably connected to a top wall 11 of the cap body 10, the cap body 10 is provided with a hollow sleeve 12, the hollow sleeve 12 is eccentrically disposed at a bottom of the top wall 11 of the cap body 10 and is communicated with the top wall 11 of the cap body 10, and the hollow sleeve 12 is made of an elastic material; the upper cover 20 is provided with a through hole 21 adapted to the hollow sleeve 12.
Wherein the elastic material is medical silica gel. The bore diameter of the hollow sleeve 12 is configured to be slightly smaller than the radius of the outer peripheral wall of the cannula 200.
In this embodiment, by providing the hollow sleeve 12, the hollow sleeve 12 is eccentrically disposed at the bottom of the top wall 11 of the cover 10 and is communicated with the top wall of the cover 10, and the hollow sleeve 12 is made of an elastic material, so that when the upper cover 20 is rotated to connect the through hole 21 with the hollow sleeve 12, the insertion tube 200 can be sequentially inserted into the through hole 21 and the hollow sleeve 12 and form an interference fit with the inner side wall inserted into the hollow sleeve 12. The inner side wall of the hollow sleeve 12 is in surface connection with the outer side wall of the insertion tube 200, the contact area between the bottle cap 100 and the insertion tube 200 is large, and the bottle cap 100 has strong sealing performance.
The hollow sleeve 12 is cylindrical in shape.
In this embodiment, the hollow sleeve 12 is cylindrical, so that the distance from the inner peripheral wall of the hollow sleeve 12 to the outer peripheral wall of the insertion tube 200 is equal, the circumferential stress of the insertion tube 200 is uniform, and the sealing performance of the bottle cap 100 is further improved.
The cap body 10 and the hollow sleeve 12 are integrally formed
In this embodiment, the cover body and the hollow sleeve are integrally formed, so that the hollow sleeve is not required to be additionally provided with a fastener to be mounted at the bottom of the top wall of the cover body, and the manufacturing cost is low.
The length of the hollow sleeve 12 is L1, the height of the side wall 11 is L2, L2: l1 is 1.5-2: 1. Wherein, the length of the hollow sleeve 12 refers to the distance from the upper surface of the top wall 11 to one end of the hollow sleeve 12 far away from the top wall 11, and the height of the side wall 11 refers to the distance from the upper surface of the top wall 11 to the bottom end of the side wall 11. Height L2 of side wall 11: l1 is 1.6 or 1.8 or 1.9.
In this embodiment, the height of the hollow sleeve 12 is L1, the height of the side wall 11 is L2, and the L2: L1 is 1.5-2: 1, so that on one hand, the sealing performance between the hollow sleeve 12 and the insertion tube 200 can be ensured, and on the other hand, the manufacturing material of the hollow sleeve 12 can be saved, thereby reducing the manufacturing cost of the bottle cap 100.
Cover body 10 a fixing member 14 is provided on the top wall 11 of the cover body 10.
In this embodiment, the fixing member 14 is provided to limit the upper cap 20 from being attached to the top of the top wall 11 of the cap body 10, so as to prevent the upper cap 20 from moving up and down when rotating, and the bottle cap 100 is stable and reliable in operation.
The fixing member 14 includes a connecting portion 141 and a stopper portion 142, one end of the connecting portion 141 is connected to the top wall 11 of the cover 10, and the other end is connected to the fixing member 14; the upper cover 20 is provided with a fixing hole 22, and the connecting portion 141 penetrates through the fixing hole 22.
In this embodiment, the fixing member 14 is provided with a connecting portion 141 and a stopping portion 142 connected to the connecting portion 141, so that the connecting portion 141 is sleeved in the fixing hole 22, the upper cover 20 can horizontally rotate around the connecting portion 141, the stopping portion 142 is located above the upper cover 20 to prevent the upper cover 20 from sliding out from the upper end of the connecting portion 141, and the rotation of the upper cover 20 is stable and reliable.
The inner wall 13 of the cover 10 is provided with a screw connection portion 131.
In this embodiment, the threaded connection portion 111 is adapted to the threads on the outer wall of the bottle neck of the collecting bottle, and the bottle cap 100 is rotated to fix the bottle cap to the bottle neck of the collecting bottle, so that the connection is stable and reliable.
The working process of the bottle cap of the embodiment is as follows:
as shown in fig. 1, when the bottle cap 100 is not used, the bottle cap 100 is fitted to the mouth of the collection bottle, the insert tube 200 is not inserted into the bottle cap 100, and the through hole 21 of the upper cap 20 is not communicated with the hollow sleeve.
When using the bottle cap 100, the user rotates the cap until the through hole 21 communicates with the hollow sleeve 12. The cannula 200 is inserted through the perforation 21 and the hollow sleeve 12 in sequence.
As shown in fig. 3, when the insertion tube 200 is inserted into the hollow sleeve 12, the hollow sleeve 12 is elastically deformed so that the aperture of the hollow sleeve 12 is enlarged for the insertion tube 200 to pass through, and then the hollow sleeve 12 is deformed to be closely fitted to the outer wall of the insertion tube 200, so as to realize the surface connection of the hollow sleeve 12 and the outer peripheral wall of the insertion tube 200.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (7)
1. A bottle cap adapted to a cannula, comprising: the cover comprises a cover body (10) and an upper cover (20) rotatably connected with the top wall (11) of the cover body (10), wherein the cover body (10) is provided with a hollow sleeve (12), the hollow sleeve (12) is eccentrically arranged at the bottom of the top wall (11) of the cover body (10) and is communicated with the top wall (11) of the cover body (10), and the hollow sleeve (12) is made of an elastic material; the upper cover (20) is provided with a through hole (21) matched with the hollow sleeve (12).
2. The bottle cap according to claim 1, wherein: the hollow sleeve (12) is cylindrical in shape.
3. The bottle cap according to claim 1 or 2, wherein: the cover body (10) and the hollow sleeve (12) are integrally formed.
4. The bottle cap according to claim 3, wherein: the length of the hollow sleeve (12) is L1, the height of the side wall (13) of the cover body (10) is L2, and the ratio of L2 to L1 is 1.5-2: 1.
5. The bottle cap according to claim 4, wherein: the top wall (11) of the cover body (10) is provided with a fixing piece (14).
6. The bottle cap according to claim 5, wherein: the fixing piece (14) comprises a connecting part (141) and a stopping part (142), one end of the connecting part (141) is connected with the top wall (11) of the cover body (10), and the other end of the connecting part is connected with the stopping part (142); the upper cover (20) is provided with a fixing hole (22), and the connecting part (141) penetrates through the fixing hole (22).
7. The bottle cap according to claim 6, wherein: the inner side wall (13) of the cover body (10) is provided with a threaded connection part (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220182218.3U CN216685583U (en) | 2022-01-24 | 2022-01-24 | Bottle cap matched with insertion tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220182218.3U CN216685583U (en) | 2022-01-24 | 2022-01-24 | Bottle cap matched with insertion tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216685583U true CN216685583U (en) | 2022-06-07 |
Family
ID=81822490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220182218.3U Expired - Fee Related CN216685583U (en) | 2022-01-24 | 2022-01-24 | Bottle cap matched with insertion tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216685583U (en) |
-
2022
- 2022-01-24 CN CN202220182218.3U patent/CN216685583U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220607 |