CN208372168U - A kind of bacterial virus filter - Google Patents
A kind of bacterial virus filter Download PDFInfo
- Publication number
- CN208372168U CN208372168U CN201720826384.1U CN201720826384U CN208372168U CN 208372168 U CN208372168 U CN 208372168U CN 201720826384 U CN201720826384 U CN 201720826384U CN 208372168 U CN208372168 U CN 208372168U
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- China
- Prior art keywords
- set square
- back taper
- slot
- connection ring
- link slot
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Abstract
The utility model discloses a kind of bacterial virus filters, including upper cover, lower cover and filter cotton, upper cover includes upper round tube and conical head, cone tank is equipped in conical head, lower cover includes lower round tube and back taper forming head, back taper slot is equipped in back taper forming head, lower cover upper surface is equipped with link slot, upper cover lower end surface is equipped with connection ring, the outer ring surface welding of the outer wall and link slot of connection ring, the lower end surface of connection ring and the bottom surface welding of link slot, the inner ring surface welding of the inner wall and link slot of connection ring, filter cotton is equipped between cone tank and back taper slot, cone tank is equipped with upper set square and the first protrusion, back taper slot is equipped with lower set square and the second protrusion.The utility model between upper cover and lower cover by being equipped with upper set square, the first protrusion, lower set square and the second protrusion, and connection ring and link slot are passed through into ultrasonic bonding, it can prevent filter cotton from loosening in this way, improve welding quality, gas leakage is prevented, to improve the service performance of bacterial virus filter.
Description
Technical field
The utility model relates to medical equipment technical field, in particular to a kind of bacterial virus filter.
Background technique
Bacterial virus filter is mainly used for filtering the germ of sufferer exhalation in medical procedure, to guarantee its room air not
Infected and indoor occupant cross-infection.For the versatility of product, the both ends of product are designed according to iso standard.
Original breathing circuit bacterial virus filter is made of two mouldings and a filter cotton.Filter cotton is fixed not
It is good, it is easy to appear filter cotton and is loosened in two mouldings；Ultrasonic bond wiring is a contact surface welding, leads to the welding matter of product
Measure not high, easy gas leakage.To reduce the service performance of bacterial virus filter.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of bacterial virus filters, solve bacterial virus filtering
The problem of the service performance difference of device.
In order to solve the above-mentioned technical problem, the technical solution of the utility model are as follows:
A kind of bacterial virus filter, including upper cover, lower cover and filter cotton, the upper cover include upper round tube and conical head,
Be equipped with cone tank be connected to the upper round tube in the conical head, the lower cover includes lower round tube and back taper forming head, it is described
The back taper slot being connected to the lower round tube is equipped in conical head, the lower cover upper surface on back taper slot periphery is equipped with
Cricoid link slot, the upper cover lower end surface on the cone tank periphery are equipped with the connection ring being plugged on the link slot,
The welding of the outer ring surface of the outer wall of the connection ring and the link slot, the lower end surface of the connection ring and the bottom surface of the link slot
The inner ring surface welding of welding, the inner wall of the connection ring and the link slot, sets between the cone tank and the back taper slot
There is the filter cotton, multiple upper set squares for being limited to the filter cotton are uniformly provided on the cone tank, it is described
The lower end surface of upper set square is parallel with the filter cotton, and the upper set square lower end surface is equipped with the first downwardly projecting protrusion,
Be uniformly provided with multiple lower set squares for being limited to the filter cotton on the back taper slot, the lower set square it is upper
End face is parallel with the filter cotton, and the lower set square upper surface is equipped with the second protrusion protruding upward, the upper round tube, institute
State conical head, the upper set square and the first raised integrated injection molding, it is the lower round tube, the back taper forming head, described
Lower set square and the second raised integrated injection molding.
Further, the upper set square is equally distributed four.
Further, the lower set square is equally distributed four.
Further, the conical head periphery is equipped with upper annular ring, and the connection ring is set to below the upper annular ring.
Further, back taper forming head periphery is equipped with lower annular ring, and the link slot is set to the lower annular ring upper end
On face.
By adopting the above technical scheme, due to be equipped between upper cover and lower cover upper set square, the first protrusion, lower set square and
Second protrusion, and the outer ring surface of the outer wall of connection ring and link slot is passed through into ultrasonic bonding, the lower end surface of connection ring and connection
The inner ring surface of the underrun ultrasonic bonding of slot, the inner wall of connection ring and link slot, in this way can be to prevent by ultrasonic bonding
Only filter cotton loosens, and improves welding quality, gas leakage is prevented, to improve the service performance of bacterial virus filter.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of bacterial virus filter one embodiment of the utility model；
Fig. 2 is the A-A schematic cross-sectional view in Fig. 1；
Fig. 3 is a kind of schematic perspective view of bacterial virus filter one embodiment of the utility model.
Figure number and its explanation:
1, lower round tube；2, back taper forming head；3, conical head；4, upper round tube；5, lower set square；6, the second protrusion；7, lower annular
Circle；8, connection ring；9, upper annular ring；10, the first protrusion；11, upper set square；12, filter cotton.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
Referring to figs. 1 to Fig. 3, a kind of bacterial virus filter provided by the utility model, including upper cover, lower cover and filter cotton
12, upper cover includes upper round tube 4 and conical head 3, is equipped with the cone tank being connected to upper round tube 4 in conical head 3, lower cover includes lower round tube
1 and back taper forming head 2, the back taper slot being connected to lower round tube 1, the lower cover upper surface on back taper slot periphery are equipped in back taper forming head 2
It is equipped with cricoid link slot, the upper cover lower end surface on cone tank periphery is equipped with the connection ring 8 being plugged on link slot, connection ring
The welding of the outer ring surface of 8 outer wall and link slot, the lower end surface of connection ring 8 and the bottom surface welding of link slot, the inner wall of connection ring 8 and
The inner ring surface of link slot welds, and filter cotton 12 is equipped between cone tank and back taper slot, is uniformly provided with multiple be used on cone tank
To the upper set square 11 that filter cotton 12 is limited, the lower end surface of upper set square 11 is parallel with filter cotton 12, under upper set square 11
End face is equipped with the first downwardly projecting protrusion 10, is uniformly provided on back taper slot multiple for being limited to filter cotton 12
The upper surface of lower set square 5, lower set square 5 is parallel with filter cotton 12, and lower 5 upper surface of set square is equipped with protruding upward second
Protrusion 6, upper round tube 4, conical head 3, upper set square 11 and the first raised 10 integrated injection moldings, lower round tube 1, back taper forming head 2, under
Set square 5 and the second raised 6 integrated injection moldings.Cone tank is identical with the structure of back taper slot, and it is opposite to be open, and increases in this way
Aerating body makes full use of filter cotton 12 to filter in bacterial virus filter interior residence time.
The filter cotton 12 of the technical program is special virus filtration medium, is existing medical filter cotton, it is therefore an objective to be
Filter bacteria and virus are reduced over the course for the treatment of, and the gas germ of sufferer exhalation pollutes room air, are subtracted simultaneously
Intersect the infection of virus in few institute.The wall thickness of the upper cover and lower cover moulding of the technical program is 1.2mm, can reduce plastic
Shrink phenomenon, while the consumption of material can be saved.The assembling process of the technical program is as follows: being first assembled in filter cotton 12
On lower lid, then upper cover is mounted on lower lid, finally the product after assembling is placed on ultrasonic machine and does ultrasonic welding, i.e.,
Complete the assembling process of product.
Upper set square 11 is equally distributed four.Lower set square 5 is equally distributed four.Certainly, upper set square 11
Can be for three, five, six or other quantity with lower set square 5, and four be not limited in preferred embodiment.
3 periphery of conical head is equipped with upper annular ring 9, and connection ring 8 is set to below upper annular ring 9.2 periphery of back taper forming head is equipped with
Lower annular ring 7, link slot are set on lower 7 upper surface of annular ring.Facilitate upper cover and lower cover by upper annular ring 9 and lower annular ring 7
Grafting and ultrasonic bonding, prevent gas leakage, improve the service performance of bacterial virus filter.
In conclusion the utility model between upper cover and lower cover by being equipped with upper set square, the first protrusion, lower set square
It is raised with second, and the outer ring surface of the outer wall of connection ring and link slot is passed through into ultrasonic bonding, the lower end surface of connection ring and company
The inner ring surface of the underrun ultrasonic bonding of access slot, the inner wall of connection ring and link slot, in this way can be with by ultrasonic bonding
It prevents filter cotton from loosening, improves welding quality, gas leakage is prevented, to improve the service performance of bacterial virus filter.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (5)
1. a kind of bacterial virus filter, which is characterized in that including upper cover, lower cover and filter cotton, the upper cover includes upper round tube
And conical head, the conical head is interior to be equipped with the cone tank being connected to the upper round tube, and the lower cover includes lower round tube and back taper
Head, is equipped with the back taper slot being connected to the lower round tube in the back taper forming head, on the lower lid on back taper slot periphery
End face is equipped with cricoid link slot, and the upper cover lower end surface on the cone tank periphery, which is equipped with, to be plugged on the link slot
Connection ring, the outer ring surface welding of the outer wall of the connection ring and the link slot, the lower end surface of the connection ring and the company
The bottom surface of access slot is welded, the inner ring surface welding of the inner wall of the connection ring and the link slot, the cone tank and the back taper
It is equipped with the filter cotton between shape slot, is uniformly provided with multiple upper three for being limited to the filter cotton on the cone tank
The lower end surface of gusset, the upper set square is parallel with the filter cotton, and the upper set square lower end surface is equipped with downwardly projecting
First is raised, multiple lower set squares for being limited to the filter cotton is uniformly provided on the back taper slot, under described
The upper surface of set square is parallel with the filter cotton, and the lower set square upper surface is equipped with the second protrusion protruding upward, institute
State upper round tube, the conical head, the upper set square and the first raised integrated injection molding, the lower round tube, it is described fall
Conical head, the lower set square and the second raised integrated injection molding.
2. bacterial virus filter according to claim 1, which is characterized in that the upper set square is equally distributed four
It is a.
3. bacterial virus filter according to claim 1 or 2, which is characterized in that the lower set square is to be uniformly distributed
Four.
4. bacterial virus filter according to claim 1, which is characterized in that the conical head periphery is equipped with upper annular
Circle, the connection ring are set to below the upper annular ring.
5. bacterial virus filter according to claim 1 or 4, which is characterized in that back taper forming head periphery is equipped with down
Annular ring, the link slot are set on the lower annular ring upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720826384.1U CN208372168U (en) | 2017-07-07 | 2017-07-07 | A kind of bacterial virus filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720826384.1U CN208372168U (en) | 2017-07-07 | 2017-07-07 | A kind of bacterial virus filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208372168U true CN208372168U (en) | 2019-01-15 |
Family
ID=64978592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720826384.1U Active CN208372168U (en) | 2017-07-07 | 2017-07-07 | A kind of bacterial virus filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208372168U (en) |
-
2017
- 2017-07-07 CN CN201720826384.1U patent/CN208372168U/en active Active
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