CN209790161U - filtering device of residue-free liquid dropper - Google Patents
filtering device of residue-free liquid dropper Download PDFInfo
- Publication number
- CN209790161U CN209790161U CN201822056562.4U CN201822056562U CN209790161U CN 209790161 U CN209790161 U CN 209790161U CN 201822056562 U CN201822056562 U CN 201822056562U CN 209790161 U CN209790161 U CN 209790161U
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- filter
- bottle
- dripper
- bottle body
- movable
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Abstract
The utility model provides a filter device of a residue-free drip chamber, which comprises a bottle body and a filter component; the filtering component is positioned at one end of the bottle body and is connected with the bottle body in a sealing way; the filtering component comprises a dripper, a filter and a transfusion channel; the dripper is positioned at one end of the bottle body, the filter is positioned at the periphery of the infusion channel, and the infusion channel penetrates through the dripper. The utility model provides a pair of no residual dropping device's filter equipment, the movable check valve that utilizes free activity in filtering the body forms the function of shielding stopper and opening, when the bottle is upright, the movable check valve moves down because of gravity, cover on the curve section of valve gate, the air passes through one-level filter and secondary filter gets into the bottle, the sterile condition of air has been guaranteed, invert when the bottle, when the oppression bottle carries out the dropping liquid, the activity check valve falls on the straightway of valve gate, because the oppression bottle leads to the increase of bottle internal gas pressure, make the movable check valve compressed tightly on filtering the body, prevent the air admission bottle, guarantee bottle internal pressure, accomplish the dropping liquid.
Description
Technical Field
The utility model relates to a filter device of a residue-free dropping device.
Background
The dropping liquid ware is widely used as present daily life product, because can accurate dropping liquid, so by medical usage such as wide application eye drops, but present dropping liquid ware in the use, the liquid medicine can remain the liquid medicine at the drip mouth after dripping, normal liquid medicine all can require isolated air to prevent the pollution when sealed, in case when the liquid medicine that remains at the drip mouth is used once more, must contact other liquid medicines in the medicine bottle, thereby lead to whole bottle medicine to receive the pollution, influence the use.
Traditional drip chamber utilizes the passageway on the dripper to carry out the dropping liquid, consequently need increase the check valve on liquid medicine transmission pipeline, prevents to have outside gas to get into the bottle when oppression bottle, and to the impact pressure and can't derive the liquid medicine, and for making the liquid medicine not have to remain, need set up the guide post at the drip, so just can not use traditional check valve, can't realize pneumatic control and filtration management.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: the filter device of the residue-free dropping device is provided, when the flow guide column is arranged on the dropping device, the one-way valve can be continuously used, and the normal use of the bottle body is ensured.
In order to solve the technical problem, the technical scheme of the utility model is that: a filter device of a residue-free drip chamber comprises a bottle body and a filter assembly; the filtering component is positioned at one end of the bottle body and is connected with the bottle body in a sealing way;
The filtering component comprises a dripper, a filter and a transfusion channel; the dripper is positioned at one end of the bottle body and is fixedly connected with the bottle body; the filter is positioned at the periphery of the infusion channel, is fixedly connected with the dripper and is communicated with the inner space of the bottle body; the transfusion channel penetrates through the dripper and is communicated with the bottle body;
The filter is internally provided with a movable one-way valve, the movable one-way valve is positioned in the filter, is in contact with the inner wall of the filter and freely slides in the filter along the vertical direction.
Furthermore, the movable one-way valve is in an annular shape.
furthermore, the filter also comprises a filter body, a primary filter and a secondary filter; the filter body is positioned on the upper side of the filter and is fixedly connected with the dripper; the primary filter is positioned in the filter body and surrounds the outer circle of the infusion channel; the secondary filter is positioned below the primary filter and is connected with the primary filter.
Furthermore, the filtering body is provided with a valve slot, and the valve slot is positioned inside the filtering body and corresponds to the movable one-way valve.
Furthermore, the valve slot is provided with a straight line section and a curved line section, and the straight line section is positioned on the upper side of the filter body and matched with the movable one-way valve; the curve section is positioned below the straight section and connected with the straight section to prevent the movable one-way valve from moving.
Furthermore, the curve section is in a shape with two large ends and a small middle.
Compared with the prior art, the utility model provides a pair of no residual dropping device's filter equipment, the movable check valve that utilizes free activity in filtering the body forms the function of damming plug and opening, when the bottle is upright, the movable check valve moves down because of gravity, cover on the curve section of valve gate, the air gets into the bottle from filtering the body, it is inside to compress tightly the sealed bottle of check valve, the air passes through one-level filter and second grade filter entering bottle, the aseptic condition of air has been guaranteed, invert when the bottle, when the oppression bottle carries out the dropping liquid, the straight line section of activity check valve falling in the valve gate, because the oppression bottle leads to the internal gas pressure increase of bottle, make the movable check valve compressed tightly on filtering the body, prevent the air admission bottle, guarantee the internal pressure of bottle, oppress out the liquid medicine, accomplish the dropping liquid.
Drawings
Fig. 1 shows a main sectional view of the present invention.
wherein: 1. the infusion device comprises a bottle body, a filtering component 2, a dripper 3, a filter 4, an infusion channel 5, a movable one-way valve 6, a filtering body 7, a primary filter 8, a secondary filter 9, a valve groove 10, a straight line segment 11 and a curved line segment 12.
Detailed Description
As shown in the figure, the filter device of the non-residue drip container comprises a bottle body 1 and a filter assembly 2; the filtering component 2 is positioned at one end of the bottle body 1 and is connected with the bottle body 1 in a sealing way;
The filter assembly 2 comprises a dripper 3, a filter 4 and a transfusion channel 5; the dripper 3 is positioned at one end of the bottle body 1 and is fixedly connected with the bottle body 1; the filter 4 is positioned at the periphery of the transfusion channel 5, is fixedly connected with the dripper 3 and is communicated with the inner space of the bottle body 1; the transfusion channel 5 penetrates through the dripper 3 and is communicated with the bottle body 1;
the filter 4 is internally provided with a movable one-way valve 6, and the movable one-way valve 6 is positioned in the filter 4, is in contact with the inner wall of the filter 4 and freely slides in the filter 4 along the vertical direction.
further, the movable check valve 6 is in an annular shape.
Further, the filter 4 further comprises a filter body 7, a primary filter 8 and a secondary filter 9; the filter body 7 is positioned at the upper side of the filter 4 and is fixedly connected with the dripper 3; the primary filter 8 is positioned inside the filter body 7 and surrounds the outer circle of the infusion channel 5; the secondary filter 9 is positioned below the primary filter 8 and is connected with the primary filter 8.
Further, the filtering body 7 is provided with a valve slot 10, and the valve slot 10 is positioned inside the filtering body 7 and corresponds to the movable one-way valve 6.
Further, the valve slot 10 is provided with a straight line section 11 and a curved line section 12, the straight line section 11 is positioned on the upper side of the filter body 7 and is matched with the movable one-way valve 6; the curved section 12 is positioned below the straight section 11 and connected with the straight section 11 to prevent the movable check valve 6 from moving.
Further, the curved section 12 has a shape with two large ends and a small middle.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.
Claims (6)
1. A filter device of a residue-free drip chamber is characterized by comprising a bottle body and a filter assembly; the filtering component is positioned at one end of the bottle body and is connected with the bottle body in a sealing way;
The filtering component comprises a dripper, a filter and a transfusion channel; the dripper is positioned at one end of the bottle body and is fixedly connected with the bottle body; the filter is positioned at the periphery of the infusion channel, is fixedly connected with the dripper and is communicated with the inner space of the bottle body; the transfusion channel penetrates through the dripper and is communicated with the bottle body;
The filter is internally provided with a movable one-way valve, the movable one-way valve is positioned in the filter, is in contact with the inner wall of the filter and freely slides in the filter along the vertical direction.
2. The filter assembly of claim 1, wherein said movable check valve is in the form of a ring.
3. The filter assembly of claim 1, wherein said filter further comprises a filter body, a primary filter and a secondary filter; the filter body is positioned on the upper side of the filter and is fixedly connected with the dripper; the primary filter is positioned in the filter body and surrounds the outer circle of the infusion channel; the secondary filter is positioned below the primary filter and is connected with the primary filter.
4. The filter assembly of claim 3, wherein said filter body is provided with a valve slot, said valve slot being located inside said filter body in correspondence with said movable one-way valve.
5. The filter assembly of claim 4 wherein said valve housing has a straight section and a curved section, said straight section being located on the upper side of said filter body and engaging said movable check valve; the curve section is positioned below the straight section and connected with the straight section to prevent the movable one-way valve from moving.
6. The filter assembly of claim 5, wherein said curved section is in the shape of a large end and a small middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822056562.4U CN209790161U (en) | 2018-12-07 | 2018-12-07 | filtering device of residue-free liquid dropper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822056562.4U CN209790161U (en) | 2018-12-07 | 2018-12-07 | filtering device of residue-free liquid dropper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209790161U true CN209790161U (en) | 2019-12-17 |
Family
ID=68817260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822056562.4U Active CN209790161U (en) | 2018-12-07 | 2018-12-07 | filtering device of residue-free liquid dropper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209790161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109620530A (en) * | 2018-12-07 | 2019-04-16 | 张家港众辉医用塑料科技有限公司 | A kind of filter device of noresidue liquid-drop machine |
| CN117582335A (en) * | 2024-01-18 | 2024-02-23 | 张家港众辉医用塑料科技有限公司 | Anti-blocking sterile dropping head in eyedrop dropping bottle |
-
2018
- 2018-12-07 CN CN201822056562.4U patent/CN209790161U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109620530A (en) * | 2018-12-07 | 2019-04-16 | 张家港众辉医用塑料科技有限公司 | A kind of filter device of noresidue liquid-drop machine |
| CN117582335A (en) * | 2024-01-18 | 2024-02-23 | 张家港众辉医用塑料科技有限公司 | Anti-blocking sterile dropping head in eyedrop dropping bottle |
| CN117582335B (en) * | 2024-01-18 | 2024-04-02 | 张家港众辉医用塑料科技有限公司 | Anti-blocking sterile dropping head in eyedrop dropping bottle |
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