Liquid storage filter bottle with detachable filter assembly

Abstract

The utility model relates to the technical field of negative pressure aspirators. A liquid storage filter bottle with a detachable filter assembly comprises a filter bottle, the filter bottle comprises a bottle body and a bottle cap, and the bottle cap is in threaded connection with the bottle body; the filter bottle further comprises a bottle plug which is clamped between the bottle cap and the bottle body; the bottle plug is provided with a tube insertion hole for inserting the liquid outlet tube and the liquid inlet tube; an opening for exposing the intubation hole is formed in the bottle cap; the filter bottle further comprises a filter assembly, the filter assembly comprises a filter screen body and a filter screen cover which are detachably connected, and the filter screen cover is in threaded connection with the lower end, extending out of the bottle plug, of the liquid outlet pipe. According to the utility model, the structure of the filter bottle is optimized, the filter screen cover is in threaded connection with the liquid outlet pipe, and the filter screen body and the filter screen cover are detachable, so that the filter screen body or the filter assembly is convenient to replace. And once blockage or damage occurs, only the detachable filter screen body or the filter assembly needs to be replaced, so that unnecessary waste is reduced, and the use cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of negative pressure aspirators, in particular to a filter bottle. Background Art

[0002] The filter bottle is a key component of the gastric lavage machine. It effectively filters impurities from the liquid, ensuring that the liquid aspirated from the patient's stomach is free of large solid impurities. This reduces the risk of the gastric lavage machine pump becoming clogged by solid impurities and ensures the safety of the gastric lavage process. Due to the uncertainty of the patient's gastric contents, the filter may become clogged during the gastric lavage process, resulting in reduced filtration efficiency.

[0003] The filter screen of the existing filter bottle is not detachable, and the filter screen cannot be quickly replaced or assembled. Utility Model Content

[0004] In view of the problems existing in the prior art, the present invention provides a liquid storage filter bottle with a detachable filter assembly, which solves at least one of the above technical problems.

[0005] The technical solution of the utility model is: a liquid storage filter bottle with a detachable filter assembly, comprising a filter bottle, characterized in that the filter bottle comprises a bottle body and a bottle cap, and the bottle cap is threadedly connected to the bottle body;

[0006] The filter bottle further comprises a bottle stopper, which is sandwiched between the bottle cap and the bottle body;

[0007] The bottle stopper is provided with insertion holes for inserting a liquid outlet pipe and a liquid inlet pipe;

[0008] The bottle cap is provided with an opening for exposing the insertion hole;

[0009] The filter bottle further comprises a filter assembly, which comprises a detachably connected filter mesh body and a filter mesh cover, and the filter mesh cover is threadedly connected to the lower end portion of the liquid outlet tube extending out of the bottle plug.

[0010] The present invention optimizes the structure of the filter bottle, connects the filter screen cover to the liquid outlet pipe through a threaded connection, and the filter screen body and the filter screen cover are detachable, making it easy to replace the filter screen body or filter assembly. In the event of blockage or damage, only the detachable filter screen body or filter assembly needs to be replaced, thus reducing unnecessary waste and lowering the cost of use. When used by medical staff, it is also convenient to remove, clean, or replace the filter bottle, ensuring the optimal working condition of the filter bottle. The present invention uses the filter assembly to filter impurities within the bottle body during filtration and isolate them on the outside of the filter screen body.

[0011] The bottle cap and the bottle body of the utility model clamp the bottle stopper, which is convenient for ensuring the sealing effect between the bottle body and the bottle cap, preventing the bottle stopper from flying away when the pressure in the bottle increases, avoiding the safety hazard caused by liquid splashing, and enhancing the overall sealing effect of the filter bottle.

[0012] Further preferably, the bottle stopper comprises an upper portion and a lower portion arranged one above the other, and the outer diameter of the upper portion is greater than the outer diameter of the lower portion.

[0013] The outer edge of the upper portion is clamped between the bottle mouth of the bottle body and the bottle cap;

[0014] The lower portion is inserted into the bottle body, and the outer wall of the lower portion abuts against the inner wall of the bottle body.

[0015] It is convenient for fixing the bottle stopper and ensures the sealing of the connection between the bottle body and the bottle stopper.

[0016] Further preferably, the bottom of the liquid outlet pipe is lower than the bottom of the liquid inlet pipe.

[0017] Further preferably, the liquid outlet pipe and the liquid inlet pipe are provided with an annular protrusion in the area above the bottle stopper;

[0018] The liquid outlet pipe and the liquid inlet pipe are sleeved with a gasket, and the outer diameter of the gasket is larger than the outer diameter of the annular protrusion;

[0019] The gasket is sandwiched between the annular protrusion and the bottle stopper.

[0020] Further preferably, the filter body is rotatably engaged with the filter cover.

[0021] Further preferably, the filter body comprises a hollow plastic frame, and the inner side of the hollow plastic frame is covered with a filter;

[0022] The top of the hollow plastic frame is detachably connected to the filter cover.

[0023] Further preferably, a protrusion is provided on the inner side of the filter cover;

[0024] A connecting ring is provided on the top of the hollow plastic frame, and a slot for locking the protrusion is provided on the outer side of the connecting ring. The slot includes an axial guide groove for axially inserting the protrusion and a circumferential guide groove for circumferentially slidingly connecting the protrusion. One end of the axial guide groove is connected to one end of the circumferential guide groove.

[0025] Further preferably, the filter cover is connected to an extension tube extending upward, and a docking hole for docking with the extension tube is opened on the filter cover;

[0026] The extension pipe is threadedly connected to the outer wall of the lower end of the liquid outlet pipe.

[0027] Further preferably, the top of the extension tube abuts against the underside of the bottle stopper.

[0028] Further preferably, the bottle stopper is a rubber stopper.

[0029] Further preferably, the inner diameter of the insertion hole decreases from top to bottom.

[0030] Facilitates interference fit connection of the inserted pipe body.

[0031] Compared with the prior art, the beneficial effects of the present invention are:

[0032] The utility model is convenient for partial replacement of the filter mesh body or overall replacement of the filter assembly, and is convenient for quick replacement and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a cross-sectional view of a specific embodiment 1 of the present utility model;

[0034] Figure 2 This is a structural diagram of a specific embodiment 1 of the present utility model;

[0035] Figure 3 This is a structural schematic diagram of the filter mesh body of specific embodiment 1 of the present utility model.

[0036] In the figure, 1 is the bottle body, 2 is the bottle cap, 3 is the bottle stopper, 4 is the liquid outlet pipe, 5 is the liquid inlet pipe, 6 is the filter mesh cover, 7 is the filter mesh body, 8 is the gasket, and 71 is the card slot. DETAILED DESCRIPTION

[0037] See also Figures 1 to 3Specific embodiment 1 is a liquid storage filter bottle with a detachable filter assembly, comprising a filter bottle, the filter bottle comprising a bottle body 1 and a bottle cap 2, the bottle cap 2 being threadedly connected to the bottle body 1; the filter bottle further comprising a bottle stopper 3, which is sandwiched between the bottle cap 2 and the bottle body 1; the bottle stopper 3 is provided with an insertion hole for inserting a liquid outlet pipe 4 and a liquid inlet pipe 5; the bottle cap 2 is provided with an opening for exposing the insertion hole; the filter bottle further comprising a filter assembly, the filter assembly comprising a detachably connected filter mesh body 7 and a filter mesh cover 6, the filter mesh cover 6 being threadedly connected to the lower end of the liquid outlet pipe 4 extending from the bottle stopper 3. By optimizing the structure of the filter bottle, the filter mesh body 7 and the filter mesh cover 6 are threadedly connected to the liquid outlet pipe 4, making them detachable, thereby facilitating replacement of the filter mesh body 7 or the filter assembly. In the event of blockage or damage, only the detachable filter mesh body 7 or the filter assembly needs to be replaced, reducing unnecessary waste and lowering the cost of use. It is also convenient for medical staff to remove, clean, or replace the filter when in use, ensuring optimal working condition of the filter bottle. The bottle cap 2 and the bottle body 1 of the utility model clamp the bottle stopper 3, which is convenient for ensuring the sealing effect between the bottle body 1 and the bottle cap 2, preventing the bottle stopper 3 from flying away when the pressure in the bottle increases, avoiding the safety hazard caused by liquid splashing, and enhancing the overall sealing effect of the filter bottle.

[0038] The bottle body 1 is made of a transparent material, which makes it easy to observe the state inside the bottle.

[0039] The bottle stopper 3 comprises an upper portion and a lower portion, the upper portion having a larger outer diameter than the lower portion. The outer edge of the upper portion is clamped between the mouth of the bottle body 1 and the bottle cap 2; the lower portion is inserted into the bottle body 1, with the outer wall of the lower portion abutting against the inner wall of the bottle body 1. This facilitates the fixing of the bottle stopper 3 and ensures a tight seal at the connection between the bottle body 1 and the bottle stopper 3.

[0040] The bottom of the liquid outlet pipe 4 is lower than the bottom of the liquid inlet pipe 5 .

[0041] An annular protrusion is provided in the area where the liquid outlet pipe 4 and the liquid inlet pipe 5 are located above the bottle stopper 3; a gasket 8 is sleeved on the liquid outlet pipe 4 and the liquid inlet pipe 5, and the outer diameter of the gasket 8 is larger than the outer diameter of the annular protrusion; a gasket 8 is sandwiched between the annular protrusion and the bottle stopper 3.

[0042] The filter body 7 is rotatably connected to the filter cover 6. The filter body 7 comprises a hollow plastic frame, the interior of which is covered with a filter; the top of the hollow plastic frame is detachably connected to the filter cover 6. The filter cover 6 is provided with a protrusion on the inside; the top of the hollow plastic frame is provided with a connecting ring, the outer side of which is provided with a slot 71 for the protrusion. The slot 71 includes an axial guide groove for axial insertion of the protrusion and a circumferential guide groove for circumferential sliding connection with the protrusion. One end of the axial guide groove is connected to the other end of the circumferential guide groove.

[0043] The filter cover 6 is connected to an extension tube extending upward, and a docking hole for docking the extension tube is provided on the filter cover 6; the extension tube is threadedly connected to the outer wall of the lower end of the liquid outlet pipe 4. The top of the extension tube abuts against the lower side of the bottle stopper 3.

[0044] The bottle stopper 3 is a rubber stopper. The inner diameter of the tube insertion hole decreases from top to bottom, making it easy to connect the inserted tube body with an interference fit.

[0045] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A liquid storage filter bottle with a detachable filter assembly, comprising a filter bottle, characterized in that: The filtering bottle comprises a bottle body and a bottle cap, wherein the bottle cap is threadedly connected to the bottle body; The filter bottle further comprises a bottle stopper, which is sandwiched between the bottle cap and the bottle body; The bottle stopper is provided with insertion holes for inserting a liquid outlet pipe and a liquid inlet pipe; The bottle cap is provided with an opening for exposing the insertion hole; The filter bottle further comprises a filter assembly, which comprises a detachably connected filter mesh body and a filter mesh cover, and the filter mesh cover is threadedly connected to the lower end portion of the liquid outlet tube extending out of the bottle plug.

2. The liquid storage and filtering bottle with a detachable filtering assembly according to claim 1, characterized in that: The bottle stopper comprises an upper portion and a lower portion arranged in a vertical direction, wherein the outer diameter of the upper portion is greater than the outer diameter of the lower portion. The outer edge of the upper portion is clamped between the bottle mouth of the bottle body and the bottle cap; The lower portion is inserted into the bottle body, and the outer wall of the lower portion abuts against the inner wall of the bottle body.

3. The liquid storage and filtering bottle with a detachable filtering assembly according to claim 1, characterized in that: The bottom of the liquid outlet pipe is lower than the bottom of the liquid inlet pipe.

4. The liquid storage and filtering bottle with a detachable filtering assembly according to claim 1, characterized in that: The liquid outlet pipe and the liquid inlet pipe are provided with an annular protrusion in the area above the bottle stopper; The liquid outlet pipe and the liquid inlet pipe are sleeved with a gasket, and the outer diameter of the gasket is larger than the outer diameter of the annular protrusion; The gasket is sandwiched between the annular protrusion and the bottle stopper.

5. The liquid storage and filtering bottle with a detachable filtering assembly according to claim 1, characterized in that: The filter body is rotatably engaged with the filter cover.

6. The liquid storage and filtering bottle with a detachable filtering assembly according to claim 5, characterized in that: The filter body comprises a hollow plastic frame, the inner side of which is covered with a filter; The top of the hollow plastic frame is detachably connected to the filter cover.

7. The liquid storage and filtering bottle with a detachable filtering assembly according to claim 6, characterized in that: A protrusion is provided on the inner side of the filter cover; A connecting ring is provided on the top of the hollow plastic frame, and a slot for clamping the protrusion is provided on the outer side of the connecting ring. The slot includes an axial guide groove for axially inserting the protrusion and a circumferential guide groove for circumferentially slidingly connecting the protrusion. One end of the axial guide groove is connected to one end of the circumferential guide groove.

8. The liquid storage and filtering bottle with a detachable filtering assembly according to claim 1, characterized in that: The filter cover is connected to an extension tube extending upward, and a docking hole for docking with the extension tube is opened on the filter cover; The extension pipe is threadedly connected to the outer wall of the lower end of the liquid outlet pipe.

9. The liquid storage and filtering bottle with a detachable filtering assembly according to claim 8, characterized in that: The top of the extension tube abuts against the underside of the bottle stopper.

10. The liquid storage and filtering bottle with a detachable filtering assembly according to claim 1, characterized in that: The bottle stopper is a rubber stopper; The inner diameter of the insertion hole decreases from top to bottom.

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