CN218220699U - Anti-overflow device of liquid storage bottle suitable for negative pressure aspirator - Google Patents
Anti-overflow device of liquid storage bottle suitable for negative pressure aspirator Download PDFInfo
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- CN218220699U CN218220699U CN202221210041.XU CN202221210041U CN218220699U CN 218220699 U CN218220699 U CN 218220699U CN 202221210041 U CN202221210041 U CN 202221210041U CN 218220699 U CN218220699 U CN 218220699U
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- floating ball
- bottle cap
- butt joint
- liquid storage
- negative pressure
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Abstract
The utility model relates to the technical field of machinery. The overflow prevention device suitable for the liquid storage bottle of the negative pressure aspirator comprises a floating ball frame, wherein the floating ball frame is made of silica gel materials; the floating ball frame comprises a bottle cap butt joint part, a transition part and a floating ball accommodating part which are sequentially connected from top to bottom; the bottle cap butt joint part is used for being connected with an air suction port on a bottle cap in an interference fit manner; the bottle cap butt joint part, the transition part and the floating ball containing part are provided with guide holes which are vertically penetrated and butted; the transition part is provided with an extension part extending into the inner cavity of the floating ball accommodating part, the inner diameter of the flow guide hole of the extension part is gradually reduced from bottom to top, and the inner wall of the flow guide hole of the extension part is used as a sealing surface contacting with the floating ball; the lower end part of the floating ball accommodating part is a limiting claw structure which is circumferentially arranged; the bottom of the limiting claw structure is provided with a limiting part extending inwards. The utility model discloses a floater frame of silica gel material, when being convenient for with the butt joint of bottle lid, the floater portion of holding is put into to the floater of being convenient for.
Description
Technical Field
The utility model relates to the technical field of machinery, concretely relates to anti-overflow device.
Background
The negative pressure aspirator is mainly used for sucking pus, blood, phlegm and other exudates, has a very simple principle, and sucks the exudates of the pus, the blood, the phlegm and the like to a collecting container such as a liquid storage bottle and the like through the negative pressure effect.
The negative pressure suction apparatus mainly comprises an air suction pump, a liquid storage bottle, a control circuit and the like which are connected, wherein the air suction pump is communicated with an air suction port of the liquid storage bottle through a pipeline under the control of the control circuit to absorb air in the liquid storage bottle to form negative pressure, and the suction work is carried out through a liquid suction port of the liquid storage bottle.
The existing negative pressure suction apparatus has the following problems: when the liquid in the liquid storage bottle is too much, the liquid in the liquid storage bottle may be sucked into the air suction pump through the air suction port to cause damage to the air suction pump.
At present, an anti-overflow device is also arranged, but when the existing anti-overflow device is in butt joint with the bottle cap of the liquid storage bottle, a butt joint structure with the anti-overflow device needs to be additionally arranged on the bottle cap. For example, in the liquid storage bottle for the vacuum suction device of publication No. CN208756618U, the anti-overflow bottle of the anti-overflow device is fixed to the air suction port of the bottle cap by a screw, that is, a screw structure needs to be added to the air suction port of the original bottle cap.
At present, an anti-overflow device which does not change the bottle cap structure of a liquid storage bottle and can be directly installed and butted is lacking.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides an anti-overflow flows device suitable for negative pressure aspirator's stock solution bottle has solved above-mentioned at least one technical problem.
The technical scheme of the utility model is that: the anti-overflow device is suitable for a liquid storage bottle of a negative pressure aspirator and is characterized by comprising a floating ball frame, wherein the floating ball frame is a flexible floating ball frame made of silica gel;
the floating ball frame comprises a bottle cap butt joint part, a transition part and a floating ball containing part which are sequentially connected from top to bottom;
the bottle cap butt joint part is used for being connected with an air suction port on a bottle cap in an interference fit manner;
the bottle cap butt joint part, the transition part and the floating ball containing part are provided with guide holes which are vertically penetrated and butted;
the inner diameter of the diversion hole of the transition part is smaller than the inner diameters of the diversion holes of the bottle cap butt joint part and the floating ball containing part;
the transition part is provided with an extension part extending into the inner cavity of the floating ball containing part, the inner diameter of the flow guide hole of the extension part is gradually reduced from bottom to top, and the inner wall of the flow guide hole of the extension part is used as a plugging surface contacting with the floating ball;
the lower end part of the floating ball accommodating part is a limiting claw structure which is circumferentially arranged, and a flow guide gap is reserved between every two adjacent limiting claw structures;
the bottom of the limiting claw structure is provided with a limiting part extending inwards, and the limiting part is used for preventing the floating ball from being separated from the floating ball containing part.
The utility model discloses an optimize anti-overflow and flow the structure of device, through the ball float frame of silica gel material, when being convenient for with the butt joint of bottle lid, the floater portion of holding is put into to the floater of being convenient for.
Meanwhile, through the design of the extension part, the floating ball can be conveniently aligned with the plugging surface.
Further preferably, the water-saving filter further comprises a secondary anti-overflow assembly, wherein the secondary anti-overflow assembly is a filter element sealed when meeting water;
the water-sealing filter element is arranged at the butt joint part of the bottle cap.
The secondary anti-overflow is convenient to realize. Self-sealing filters or spill-proof filters are also known as self-sealing filters or spill-proof filters. After contacting with water, the high molecular elastomer in the water-sealed filter element rapidly expands to block the porous structure and is sealed, so that the aqueous solution cannot pass through. Has good characteristics of no water, ventilation and water sealing.
Further preferably, the water-sealing filter element is clamped between the bottle cap butt joint part and the air suction port on the bottle cap.
The fixing of the water-sealing filter element is convenient to realize.
Further preferably, the floating ball is a hollow plastic ball.
Preferably, the inner diameter of the diversion hole of the bottle cap butt joint part decreases from top to bottom.
Is convenient to be sleeved into the air suction port.
Further preferably, an annular protrusion is formed on an inner wall of the bottle cap abutting portion. The interference fit effect is improved.
Further preferably, the inner wall of the transition part is fixed with guide plates which are arranged in a left-right staggered manner, one end of each guide plate is connected with the inner wall of the transition part, and a guide gap is reserved between the other end of each guide plate and the inner wall of the transition part.
Increasing air resistance and realizing condensation.
Drawings
FIG. 1 is a sectional view of embodiment 1 of the present invention;
fig. 2 is a cross-sectional view of the flow guide hole blocked by the floating ball according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of embodiment 1 of the present invention;
fig. 4 is a bottom view of embodiment 1 of the present invention;
fig. 5 is a schematic view of the combination of embodiment 2 of the present invention with a bottle cap;
fig. 6 is a cross-sectional view of embodiment 4 of the present invention.
In the figure: 1 is the floater frame, 2 is the floater, 3 is second grade anti-overflow subassembly, 4 is the bottle lid, 5 is the guide plate, 11 is bottle lid butt joint portion, 12 is transition portion, 13 is the floater portion of holding.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, in embodiment 1, an anti-overflow device suitable for a liquid storage bottle of a negative pressure suction apparatus includes a floating ball frame 1, wherein the floating ball frame 1 is a flexible floating ball frame made of a silica gel material; the floating ball frame 1 comprises a bottle cap butt joint part 11, a transition part 12 and a floating ball containing part 13 which are sequentially connected from top to bottom; the bottle cap butt joint part 11 is used for connecting an air suction port on a bottle cap in an interference fit manner; the bottle cap butt joint part 11, the transition part 12 and the floating ball accommodating part 13 are provided with guide holes which are vertically penetrated and butted; the inner diameter of the diversion hole of the transition part 12 is smaller than the inner diameters of the diversion holes of the bottle cap butt joint part 11 and the floating ball containing part 13; the transition part 12 is provided with an extension part extending into the inner cavity of the floating ball accommodating part 13, the inner diameter of a flow guide hole of the extension part is gradually reduced from bottom to top, and the inner wall of the flow guide hole of the extension part is used as a sealing surface contacting with the floating ball; the lower end part of the floating ball accommodating part 13 is a limiting claw structure which is circumferentially arranged, and a flow guide gap is reserved between the adjacent limiting claw structures; the bottom of spacing claw structure is equipped with the spacing portion of inside extension, and spacing portion is used for preventing that the floater from deviating from in the floater holding part 13. The utility model discloses an optimize anti-overflow and flow the structure of device, through the ball float frame of silica gel material, when being convenient for with the butt joint of the bottle lid of the stock solution bottle of vacuum aspiration ware, the floater portion of holding 13 is put into to the floater of being convenient for. Meanwhile, through the design of the extension part, the floating ball is convenient to align to the plugging surface.
The floating ball 2 is a hollow plastic ball.
The inner diameter of the diversion hole of the bottle cap butt joint part 11 is gradually reduced from top to bottom. Is convenient to be sleeved into the air suction port. The inner wall of the bottle cap butt joint part 11 is provided with an annular protrusion. The interference fit effect is improved.
Referring to fig. 5, the filter cartridge of embodiment 2 and embodiment 1 further includes a secondary anti-overflow assembly 3, where the secondary anti-overflow assembly 3 is a water-sealing filter cartridge; the water-sealed filter element is arranged at the butt joint part of the bottle cap. The secondary anti-overflow is convenient to realize. Self-sealing filters or spill-proof filters are also known as self-sealing filters or spill-proof filters. After contacting with water, the macromolecular elastomer in the water-sealing filter core rapidly expands to block the porous structure and is sealed, and the water solution cannot pass through. Has good characteristics of no water, ventilation and water sealing. The water-sealed filter element is clamped between the butt joint part of the bottle cap and the air suction port on the bottle cap 3. The fixing of the water-sealing filter element is convenient to realize.
In specific embodiment 3, on the basis of the specific embodiment 1, the spiral guide plate spirally arranged from bottom to top is arranged on the inner wall of the transition portion. The condensation of water vapor when being convenient for realize gaseous spiral water conservancy diversion.
Referring to fig. 6, in embodiment 4, on the basis of embodiment 2, baffles 5 are fixed on the inner wall of the transition portion, and the baffles are staggered from left to right, and a flow guiding gap is formed between the baffles 5 and the inner wall of the transition portion. Increasing air resistance and realizing condensation. The baffle slopes down from left to right. The guide plate is provided with water seepage holes. The seepage holes of the guide plates arranged up and down are arranged in a staggered way. The baffle is located in the upper region of the extension.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The anti-overflow device is suitable for a liquid storage bottle of a negative pressure aspirator and is characterized by comprising a floating ball frame, wherein the floating ball frame is a flexible floating ball frame made of silica gel;
the floating ball frame comprises a bottle cap butt joint part, a transition part and a floating ball containing part which are sequentially connected from top to bottom;
the bottle cap butt joint part is used for being connected with an air suction port on a bottle cap in an interference fit manner;
the bottle cap butt joint part, the transition part and the floating ball containing part are provided with guide holes which are vertically penetrated and butted;
the inner diameter of the diversion hole of the transition part is smaller than the inner diameters of the diversion holes of the bottle cap butt joint part and the floating ball containing part;
the transition part is provided with an extension part extending into the inner cavity of the floating ball accommodating part, the inner diameter of the flow guide hole of the extension part is gradually reduced from bottom to top, and the inner wall of the flow guide hole of the extension part is used as a sealing surface contacting with the floating ball;
the lower end part of the floating ball accommodating part is a limiting claw structure which is circumferentially arranged, and a flow guide gap is reserved between every two adjacent limiting claw structures;
the bottom of the limiting claw structure is provided with an inward extending limiting part, and the limiting part is used for preventing the floating ball from being separated from the floating ball containing part.
2. The anti-overflow device of a liquid storage bottle suitable for a negative pressure aspirator according to claim 1, wherein: the water-sealing filter also comprises a secondary anti-overflow assembly, wherein the secondary anti-overflow assembly is a water-sealing filter element;
the water-sealing filter element is arranged at the butt joint part of the bottle cap.
3. An anti-overflow device of a liquid storage bottle suitable for a negative pressure aspirator according to claim 2, characterized in that: the water-sealing filter element is clamped between the butt joint part of the bottle cap and the air suction port on the bottle cap.
4. The anti-overflow device of a liquid storage bottle suitable for a negative pressure aspirator according to claim 1, wherein: the floating ball is a hollow plastic ball.
5. The anti-overflow device of a liquid storage bottle suitable for a negative pressure aspirator according to claim 1, wherein: the inner diameter of the diversion hole at the bottle cap butt joint part decreases progressively from top to bottom.
6. The anti-overflow device of a liquid storage bottle suitable for a negative pressure aspirator according to claim 1, wherein: the inner wall of the butt joint part of the bottle cap is provided with an annular bulge.
7. The anti-overflow device of a liquid storage bottle suitable for a negative pressure aspirator according to claim 1, wherein: the inner wall of the transition part is fixed with guide plates which are arranged in a left-right staggered manner, one end of each guide plate is connected with the inner wall of the transition part, and a guide gap is reserved between the other end of each guide plate and the inner wall of the transition part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221210041.XU CN218220699U (en) | 2022-05-12 | 2022-05-12 | Anti-overflow device of liquid storage bottle suitable for negative pressure aspirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221210041.XU CN218220699U (en) | 2022-05-12 | 2022-05-12 | Anti-overflow device of liquid storage bottle suitable for negative pressure aspirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218220699U true CN218220699U (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221210041.XU Active CN218220699U (en) | 2022-05-12 | 2022-05-12 | Anti-overflow device of liquid storage bottle suitable for negative pressure aspirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218220699U (en) |
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2022
- 2022-05-12 CN CN202221210041.XU patent/CN218220699U/en active Active
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