CN221084291U - Fixed knot of drainage bottle filter membrane constructs and drainage bottle - Google Patents
Fixed knot of drainage bottle filter membrane constructs and drainage bottle Download PDFInfo
- Publication number
- CN221084291U CN221084291U CN202322055696.5U CN202322055696U CN221084291U CN 221084291 U CN221084291 U CN 221084291U CN 202322055696 U CN202322055696 U CN 202322055696U CN 221084291 U CN221084291 U CN 221084291U
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- CN
- China
- Prior art keywords
- filter membrane
- end cover
- welding
- support
- drainage bottle
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Links
- 239000012528 membrane Substances 0.000 title claims abstract description 173
- 238000003466 welding Methods 0.000 claims abstract description 80
- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 210000003205 muscle Anatomy 0.000 claims description 15
- 210000001503 joint Anatomy 0.000 claims description 8
- 238000002788 crimping Methods 0.000 claims description 4
- 230000035699 permeability Effects 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 5
- 239000003292 glue Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 208000002193 Pain Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a fixing structure of a drainage bottle filter membrane, which comprises an upper end cover, wherein a liquid inlet and an air outlet are formed in the upper end cover, a filter membrane support and a filter membrane compression ring are arranged in the air outlet, the filter membrane support is annular, the outer side of the filter membrane support and the inner wall of the air outlet are integrally formed, the filter membrane compression ring is positioned in the air outlet close to the inner side of the upper end cover and is welded with the filter membrane support by welding ribs in an ultrasonic manner, the filter membrane is pressed at the joint of the filter membrane compression ring and the filter membrane support, the welding ribs comprise outer welding ribs and inner welding ribs which are integrally formed on the surface of the filter membrane support, the outer welding ribs are used for welding the joint of the filter membrane compression ring and the filter membrane support, and the inner welding ribs are used for pressing the filter membrane between the joint of the filter membrane compression ring and the filter membrane support. The utility model can effectively improve the sealing firmness between the filter membrane and the upper end cover, and simultaneously ensure that the air permeability of the filter membrane is not influenced.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a fixing structure of a drainage bottle filter membrane and a drainage bottle.
Background
The drainage bottle is used as an important accessory in craniocerebral drainage, and a filter membrane is required to be arranged on the bottle body, so that the whole craniocerebral drainage system is always in a sterile state in the drainage process.
The existing drainage bottle comprises a bottle body and an upper end cover, wherein the upper end cover is covered at the upper end of the bottle body, a liquid inlet and an exhaust port are formed in the upper end cover, a liquid discharge connector for connecting a liquid discharge valve is arranged at the lower end of the bottle body, and a filter membrane is arranged in the exhaust port. When the drainage bottle is assembled, the filter membrane is firstly stuck at the exhaust hole of the upper end cover, and then the upper end cover and the bottle body are welded and assembled through ultrasonic welding.
However, when the filter membrane is stuck by using glue, the membrane hole of the filter membrane can absorb the glue, so that the air permeability of the whole filter membrane is reduced, the drainage effect of the drainage bottle is affected, and in order to solve the problem, a workshop adopts a thermal welding mode to thermally melt the filter membrane and then the outer edge of the exhaust hole of the upper end cover, however, the firmness of the welding mode is poor, particularly when the upper end cover and the bottle body are subjected to ultrasonic welding, the welding part of the filter membrane is easy to fall off due to vibration generated by ultrasonic welding, and the sealing performance of the exhaust hole of the upper end cover is reduced, so that the aseptic state in the drainage bottle cannot be ensured.
Disclosure of utility model
In order to solve the defects in the prior art, the utility model provides a fixing structure of a filter membrane of a drainage bottle and the drainage bottle, which can effectively improve the sealing firmness between the filter membrane and an upper end cover and ensure that the air permeability of the filter membrane is not influenced.
The technical scheme of the utility model is as follows: the utility model provides a fixed knot of drainage bottle filter membrane constructs, includes the upper end cover, inlet and gas vent have been seted up on the upper end cover, be equipped with filter membrane support and filter membrane clamping ring in the gas vent, the filter membrane support is annular, and outside and gas vent inner wall integrated into one piece, the filter membrane clamping ring is located the gas vent that is close to the upper end cover inboard to weld muscle and filter membrane support ultrasonic welding, be used for with filter membrane crimping at filter membrane clamping ring and filter membrane support butt joint department, weld the muscle including integrated into one piece at the outer welding muscle and the interior welding muscle of filter membrane support surface, the outer welding muscle is used for welding the butt joint department of filter membrane clamping ring and filter membrane support, interior welding muscle is used for compressing tightly the filter membrane between the butt joint department of filter membrane clamping ring and filter membrane support. The filter membrane is fixed in a crimping way through ultrasonic welding of the filter membrane support and the filter membrane compression ring, and an annular welding line is formed between the filter membrane support and the filter membrane compression ring by arranging the outer welding rib and the inner welding rib, and the inner welding rib melts and softens the filter membrane and is adhered to the filter membrane, so that the filter membrane is reliably fixed between the filter membrane and the filter membrane, and the air permeability of the filter membrane is not influenced.
The filter membrane clamping ring is provided with an annular table surface at one end far away from the filter membrane support, one end of the annular table surface is integrally connected with the filter membrane clamping ring, and the other end of the annular table surface extends outwards to be in contact with the inner surface of the upper end cover at the outer side of the exhaust port. Through setting up annular mesa, improve the area of contact of welding mould and filter membrane clamping ring during welding, be convenient for realize the welding.
The top of the annular table top is a pattern-biting surface, and the pattern-biting surface is welded with the inner surface of the upper end cover at the outer side of the exhaust port through ultrasonic waves.
The side wall of the filter membrane compression ring is provided with an annular convex rib, and the annular convex rib extends upwards to an annular table top. The arrangement of the annular convex ribs can realize the contact sealing welding between the filter membrane press ring and the inner wall of the exhaust port, and can further carry out welding fixation on the filter membrane press ring, so as to ensure the firmness of the filter membrane pressed by the lower part of the filter membrane press ring.
The cross section of the welding rib is triangular or circular, and the height of the welding rib is 0.2-0.3mm.
The exhaust port is a semicircular through hole, the filter membrane support comprises a semicircular support and a support frame positioned in the middle of the semicircular support, a filter membrane protection pad with the same cross section as that of the filter membrane support is arranged in the exhaust port close to the outer side of the upper end cover, one end of the filter membrane protection pad is contacted with the filter membrane support, and one end of the filter membrane protection pad is flush with the outer side of the upper end cover.
The utility model provides a drainage bottle, includes fixed knot of drainage bottle filter membrane constructs, bottle and feed liquor pipe, the feed liquor mouth interpolation in the upper end cover outside is gone into the feed liquor pipe, and the upper end cover inboard is equipped with and supplies bottle male annular groove, is equipped with the welding arch on the bottle, and the bottle passes through the ultrasonic wave with the upper end cover and realizes the welding.
The beneficial effects of the utility model are as follows:
This fixed knot constructs through the ultrasonic bonding of filter membrane support and filter membrane clamping ring with the filter membrane crimping fixed to through setting up outer welding muscle and interior welding muscle, form annular bonding wire between filter membrane support and the filter membrane clamping ring, interior welding muscle melting softening filter membrane and with the filter membrane bonding, make the reliable fixing of filter membrane between the two, do not influence the gas permeability of filter membrane simultaneously.
Drawings
FIG. 1 is a cross-sectional view of a securing structure of the present utility model;
FIG. 2 is a schematic view of an exploded structure of the fastening structure of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 1A;
FIG. 4 is a cross-sectional view of a drainage bottle of the present utility model.
Reference numerals: 1. an upper end cap; 11. a liquid inlet; 12. an exhaust port; 13. an annular groove; 2. a filter membrane support; 21. a semicircular bracket; 22. a support frame; 3. a filter membrane compression ring; 31. an annular table top; 32. annular convex ribs; 4. a filter membrane; 5. a filter membrane protection pad; 6. welding ribs; 61. an outer welding rib; 62. an inner welding rib; 7. a bottle body; 71. welding the protrusions; 72. a liquid discharge joint; 8. a liquid inlet pipe.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the following description is made in detail with reference to the accompanying drawings, and other embodiments obtained by those skilled in the art without making any inventive effort are all within the scope of the present utility model.
As shown in fig. 1-4, the utility model provides a fixing structure of a drainage bottle filter membrane, which comprises an upper end cover 1, wherein a liquid inlet 11 and an air outlet 12 are formed in the upper end cover 1, the liquid inlet 11 is positioned in the middle of the upper end cover 1, the air outlet 12 is positioned at one side of the liquid inlet 11, in order to ensure that the size of the air outlet 12 is as large as possible, the air outlet 12 is a semicircular through hole, a filter membrane support 2 and a filter membrane press ring 3 are arranged in the air outlet 12, the outer side of the filter membrane support 2 and the inner wall of the air outlet 12 are integrally formed, the filter membrane press ring 3 is positioned in the air outlet 12 close to the inner side of the upper end cover 1, and is welded with the filter membrane support 2 through welding ribs 6 in an ultrasonic manner, so as to press a filter membrane 4 at the joint of the filter membrane press ring 3 and the filter membrane support 2, so as to provide enough supporting conditions for protecting the filter membrane 4, the filter membrane support 2 comprises a semicircular support 21 and a support frame 22 positioned in the middle of the semicircular support 21, a filter membrane protection pad 5 with the same cross section as the filter membrane support 2 is arranged in the air outlet 12 close to the outer side of the upper end cover 1, one end of the filter membrane protection pad 5 contacts the filter membrane support 2, and one end of the filter membrane protection pad 5 is flush with the outer side of the upper end cover 1.
The welding ribs 6 comprise an outer welding rib 61 and an inner welding rib 62 which are integrally formed on the surface of the filter membrane support 2, the size of the filter membrane 4 is slightly smaller than that of the outer welding rib 61 and larger than that of the inner welding rib 62, the outer welding rib 61 is used for welding the butt joint part of the filter membrane compression ring 3 and the filter membrane support 2, and the inner welding rib 62 is used for compressing the filter membrane 4 between the butt joint part of the filter membrane compression ring 3 and the filter membrane support 2. The filter membrane 4 is fixed by the ultrasonic welding of the filter membrane support 2 and the filter membrane compression ring 3, and an annular welding line is formed between the filter membrane support 2 and the filter membrane compression ring 3 by arranging the outer welding rib 61 and the inner welding rib 62, and the inner welding rib 62 melts and softens the filter membrane and is adhered to the filter membrane 4, so that the filter membrane 4 is reliably fixed between the filter membrane support 2 and the filter membrane compression ring 3 without affecting the air permeability of the filter membrane. In this embodiment, the cross section of the welding rib 6 is triangular, the height of the welding rib 6 is 0.2-0.3mm, and in other embodiments, the cross section of the welding rib 6 may be circular.
The filter membrane clamping ring 3 is kept away from filter membrane support 2 one end and is equipped with annular mesa 31, annular mesa 31 one end and filter membrane clamping ring 3 an organic whole are connected, and annular mesa 31 other end outwards extends and the upper end cover 1 internal surface contact in the gas vent 12 outside, the top of annular mesa 31 is the surface of stinging, realizes the welding through the ultrasonic wave with the upper end cover 1 internal surface in the gas vent 12 outside. By arranging the annular table top 31, the contact area between the welding die and the filter membrane compression ring 3 during welding is increased, and welding is convenient to realize.
The side wall of the filter membrane compression ring 3 is provided with an annular convex rib 32, and the annular convex rib 32 extends upwards to the annular table top 31. The arrangement of the annular convex ribs 32 can realize the contact sealing welding between the filter membrane press ring 3 and the inner wall of the exhaust port 12, and can further perform welding fixation on the filter membrane press ring 3, so as to ensure the firmness of the filter membrane 4 pressed and connected below the filter membrane press ring 3.
The utility model provides a drainage bottle, includes fixed knot of drainage bottle filter membrane constructs, bottle 7 and feed liquor pipe 8, feed liquor pipe 8 has been inserted to the inlet 11 in the upper end cover 1 outside, and upper end cover 1 inboard is equipped with and supplies bottle 7 male annular groove 13, is equipped with welding protrusion 71 on the bottle 7, and bottle 7 passes through the ultrasonic wave with upper end cover 1 and realizes the welding.
When the technical scheme is implemented, the upper end cover 1 is arranged on a special die of ultrasonic equipment, the filter membrane 4 and the filter membrane compression ring 3 are sequentially arranged on the filter membrane bracket 2 in the exhaust hole, ultrasonic welding parameters are set, the ultrasonic welding equipment is started, the outer welding rib 61 and the inner welding rib 62 on the surface of the filter membrane bracket 2 are respectively welded with the opposite interface of the filter membrane compression ring 3 and the back surface of the filter membrane 4, and the annular convex rib 32 on the side wall of the filter membrane compression ring 3 is welded with the inner wall of the exhaust hole 12 through vertical vibration friction; the fixed knot who welds the completion constructs and bottle 7 is arranged in another group mould of ultrasonic equipment on, sets up welding parameter and starts the welding, inserts and paste inlet tube 8 in inlet 11, and filter membrane protection pad 5 is arranged in the gas vent 12 in the upper end cover 1 outside, protects the filter membrane, and filter membrane 4 in the whole fixing device seals the fastness height, and the gas permeability is good.
Claims (7)
1. The utility model provides a fixed knot of drainage bottle filter membrane constructs, includes the upper end cover, inlet and gas vent have been seted up on the upper end cover, its characterized in that, be equipped with filter membrane support and filter membrane clamping ring in the gas vent, the filter membrane support is annular, and outside and gas vent inner wall integrated into one piece, the filter membrane clamping ring is located the gas vent that is close to the upper end cover inboard to weld muscle and filter membrane support ultrasonic welding, be used for with filter membrane crimping at filter membrane clamping ring and filter membrane support butt joint department, weld the muscle including integrated into one piece at the outer welding muscle and the interior welding muscle of filter membrane support surface, the outer welding muscle is used for welding the butt joint department of filter membrane clamping ring and filter membrane support, interior welding muscle is used for compressing tightly the filter membrane between the butt joint department of filter membrane clamping ring and filter membrane support.
2. The structure for fixing the filter membrane of the drainage bottle according to claim 1, wherein one end of the filter membrane pressing ring, which is far away from the filter membrane support, is provided with an annular table top, one end of the annular table top is integrally connected with the filter membrane pressing ring, and the other end of the annular table top extends outwards to be in contact with the inner surface of the upper end cover outside the exhaust port.
3. The structure for fixing the filter membrane of the drainage bottle according to claim 2, wherein the top of the annular table surface is a biting surface, and the upper end cover inner surface outside the exhaust port is welded with the upper end cover inner surface through ultrasonic waves.
4. The structure for fixing the filter membrane of the drainage bottle according to claim 2, wherein annular ribs are arranged on the side wall of the filter membrane compression ring and extend upwards to the annular table top.
5. The fixing structure of the drainage bottle filter membrane according to claim 1, wherein the cross section of the welding rib is triangular or circular, and the height of the welding rib is 0.2-0.3mm.
6. The fixing structure of a drainage bottle filter membrane according to claim 1, wherein the air outlet is a semicircular through hole, the filter membrane support comprises a semicircular support and a support frame positioned in the middle of the semicircular support, a filter membrane protection pad with the same cross section as that of the filter membrane support is arranged in the air outlet close to the outer side of the upper end cover, one end of the filter membrane protection pad is contacted with the filter membrane support, and one end of the filter membrane protection pad is flush with the outer side of the upper end cover.
7. The drainage bottle is characterized by comprising the fixing structure of the drainage bottle filter membrane, a bottle body and a liquid inlet pipe, wherein the liquid inlet pipe is inserted into the liquid inlet on the outer side of the upper end cover, an annular groove for the bottle body to be inserted is formed in the inner side of the upper end cover, a welding protrusion is arranged on the bottle body, and the bottle body and the upper end cover are welded through ultrasonic waves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055696.5U CN221084291U (en) | 2023-08-02 | 2023-08-02 | Fixed knot of drainage bottle filter membrane constructs and drainage bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055696.5U CN221084291U (en) | 2023-08-02 | 2023-08-02 | Fixed knot of drainage bottle filter membrane constructs and drainage bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221084291U true CN221084291U (en) | 2024-06-07 |
Family
ID=91304457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322055696.5U Active CN221084291U (en) | 2023-08-02 | 2023-08-02 | Fixed knot of drainage bottle filter membrane constructs and drainage bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221084291U (en) |
-
2023
- 2023-08-02 CN CN202322055696.5U patent/CN221084291U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |