A medical filter air tightness detection device
By introducing a rubber sealing ring and a drive mechanism into the medical filter airtightness testing equipment, the problem of difficult filter removal is solved, enabling convenient airtightness testing and easy filter removal.
Patent Information
- Application Number
- CN202423294907.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In existing medical filter airtightness testing equipment, it is difficult to grasp the side of the filter after it is inserted into the sealing gasket, making it difficult to remove.
A testing device was designed, comprising a workbench, a rubber sealing ring, a smoke outlet mechanism, and a drive mechanism. The filter side is sealed by the rubber sealing ring, smoke is emitted by the smoke outlet mechanism for testing, and the filter is easily ejected by the drive mechanism.
It enables convenient airtightness testing and easy removal of filters, improving operational efficiency.
Smart Images

Figure CN223611039U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to airtightness detection equipment field, concretely relates to a medical filter airtightness detection equipment. BACKGROUND
[0002] The filter needs to be tested for airtightness before leaving the factory, and currently a fan and a smoke generator are mostly used for testing, and it is generally required that no smoke can be seen at all.
[0003] A high-efficiency filter airtightness detection tool is disclosed in Chinese Patent No. CN217358871U, which places the high-efficiency filter horizontally at the smoke outlet, adjusts the position of the air cylinder through the slide rail, so that it can press the profile frame of the high-efficiency filter, starts the air cylinder, and presses the profile frame of the high-efficiency filter downward, and under the joint action of the sealing gasket, the edge of the high-efficiency filter maintains good airtightness.
[0004] However, the high-efficiency filter airtightness detection tool described above has the problem that the filter is inserted into the sealing gasket, and the sealing gasket seals the edge of the side surface of the filter, making it difficult for the worker to grasp the side surface, and thus making it difficult to take out the filter. Utility model content
[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a medical filter airtightness detection equipment.
[0006] To solve the above technical problems, the basic idea of the technical scheme adopted by the utility model is:
[0007] A medical filter airtightness detection equipment, comprising a workbench, a placement hole is provided above the workbench, a first rubber sealing ring corresponding to the placement hole is provided on the upper side of the workbench, a smoke outlet mechanism is provided below the workbench, a connecting pipe is slidably sleeved on the smoke outlet end of the smoke outlet mechanism, a smoke outlet nozzle is connected to the upper end of the connecting pipe and extends into the placement hole, a plurality of support protrusions are uniformly distributed on the upper side of the smoke outlet nozzle, and a driving mechanism for driving the sliding of the connecting pipe is provided at the bottom end of the workbench.
[0008] Optionally, a plurality of smoke outlet holes are uniformly distributed on the upper side of the smoke outlet nozzle, the plurality of smoke outlet holes and the plurality of support protrusions are staggered, and the support protrusions are hemispherical structures.
[0009] Optionally, a fixed frame corresponding to the first rubber sealing ring is provided on the upper side of the workbench, a first annular groove is provided on the bottom surface of the fixed frame, and the first rubber sealing ring is located in the first annular groove.
[0010] Optionally, two limiting strips are slidably connected to the upper side of the fixed frame, and two first electric push rods for driving the sliding of the two limiting strips are provided on the upper side of the fixed frame.
[0011] Optionally, the bottom end of the workbench is provided with four supporting legs, and a supporting plate is arranged between the four supporting legs.
[0012] Optionally, the driving mechanism comprises a supporting frame arranged at the bottom end of the connecting pipe and slidingly arranged on the smoke outlet pipe, and a plurality of second electric push rods embedded in the bottom end of the workbench and used for driving the supporting frame.
[0013] Optionally, the upper side of the supporting frame is provided with a second annular groove, and a second rubber sealing ring is arranged in the second annular groove.
[0014] Optionally, the outer side of the smoke outlet nozzle is provided with a third annular groove, and a third rubber sealing ring is arranged in the third annular groove.
[0015] After the above technical scheme is adopted, the present application has the following advantages compared with the prior art, of course, any product implementing the present application does not necessarily need to achieve all the advantages described below:
[0016] By inserting the filter into the first rubber sealing ring and placing it on the supporting protrusion in the placement hole, the side surface of the filter is sealed by the first rubber sealing ring, the smoke outlet mechanism is turned on to discharge smoke into the connecting pipe, and the smoke is sprayed out through the smoke outlet nozzle.
[0017] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0018] The drawings described below are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings. In the drawings:
[0019] Figure 1 is a schematic view of the three-dimensional structure of an embodiment of the present application;
[0020] Figure 2 is a schematic view of the cross-sectional structure of an embodiment of the present application;
[0021] Figure 3The utility model discloses an embodiment's elevation structure schematic view;
[0022] In the drawings, the component list represented by each sign is as follows:
[0023] Workbench 1, placing hole 2, first rubber sealing ring 3, smoke outlet mechanism 4, smoke generator 401, air bellow 402, fan 403, smoke outlet pipe 404, fresh air valve 405, connecting pipe 5, smoke outlet nozzle 6, third annular groove 601, third rubber sealing ring 602, support protrusion 7, drive mechanism 8, support frame 801, second electric push rod 802, second annular groove 803, second rubber sealing ring 804, support leg 9, support plate 10, fixed frame 11, first annular groove 12, limiting strip 13, first electric push rod 14.
[0024] It should be noted that these drawings and textual descriptions are not intended to limit the concept range of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION
[0025] The utility model will be further explained in detail in combination with the drawings.
[0026] Please refer to Figures 1-3 As shown in the figure, in the embodiment, a medical filter air tightness detection equipment is provided, which comprises a workbench 1, a placing hole 2 is arranged above the workbench 1, a first rubber sealing ring 3 corresponding to the placing hole 2 is arranged on the upper side of the workbench 1, a smoke outlet mechanism 4 is arranged below the workbench 1, a connecting pipe 5 is sleeved on the smoke outlet end of the smoke outlet mechanism 4 in a sliding mode, a smoke outlet nozzle 6 is connected to the upper end of the connecting pipe 5 and extends into the placing hole 2, a plurality of support protrusions 7 are uniformly distributed on the upper side of the smoke outlet nozzle 6, and a drive mechanism 8 for driving the sliding of the connecting pipe 5 is arranged at the bottom end of the workbench 1.
[0027] By inserting the filter into the first rubber sealing ring 3 and placing it on the support protrusions 7 in the placing hole 2, the side of the filter is sealed by the first rubber sealing ring 3, the smoke outlet mechanism 4 is opened to discharge smoke into the connecting pipe 5, and the smoke is sprayed out through the smoke outlet nozzle 6. Whether there is smoke leakage is detected by the detection lamp, so as to determine whether it is qualified. The detection lamp can be a handheld detection lamp or fixed on the workbench 1. After the detection is completed, the drive mechanism 8 is opened to drive the connecting pipe 5, the smoke outlet nozzle 6 and the support protrusions 7 to move upwards, the upper part of the filter is lifted out of the first rubber sealing ring 3, the staff can easily grasp the side of the upper part of the filter, and the staff can easily take out the filter.
[0028] Please refer to Figure 2As shown, the upper side of the smoke outlet nozzle 6 of the embodiment is uniformly distributed with a plurality of smoke outlet holes, and the plurality of smoke outlet holes are staggered with a plurality of supporting protrusions 7. The supporting protrusions 7 are in a hemispherical structure, which is convenient for supporting the filter through the supporting protrusions 7, and avoids the filter from blocking the smoke outlet holes on the upper side of the smoke outlet nozzle 6.
[0029] As shown in the drawings, Figures 1-2 As shown, the upper side of the workbench 1 of the embodiment is provided with a fixed frame 11 corresponding to the first rubber sealing ring 3. The bottom surface of the fixed frame 11 is provided with a first annular groove 12, and the first rubber sealing ring 3 is located in the first annular groove 12. The first rubber sealing ring 3 is fixed on the workbench 1 through the fixed frame 11, and then the first rubber sealing ring 3 is fixed, which improves the convenience of installation of the first rubber sealing ring 3. The upper side of the fixed frame 11 is slidably provided with two limiting strips 13. The upper side of the fixed frame 11 is provided with two first electric push rods 14 for driving the two limiting strips 13 to slide, respectively. The first electric push rod 14 drives the limiting strip 13 to slide above the filter profile frame, which avoids the filter from being blown out of the first rubber sealing ring 3.
[0030] As shown in the drawings, Figures 1-2 As shown, the bottom end of the workbench 1 of the embodiment is provided with four supporting legs 9, and a supporting plate 10 is arranged between the four supporting legs 9. The smoke outlet mechanism 4 includes a smoke generator 401 and a wind box 402 arranged on the upper side of the supporting plate 10. The smoke generator 401 is connected with the wind box 402. A fan 403 is connected to the smoke generator 401. A smoke outlet pipe 404 is connected to the upper side of the wind box 402. A fresh air valve 405 is connected to the side surface of the wind box 402. The connecting pipe 5 is slidably sleeved on the smoke outlet pipe 404. The fan 403 cooperates with the smoke generator 401 to generate smoke gas, which is discharged into the connecting pipe 5 through the smoke outlet pipe 404, and is sprayed out through the smoke outlet nozzle 6.
[0031] As shown in the drawings, Figures 1-2 As shown, the driving mechanism 8 of the embodiment includes a supporting frame 801 arranged on the bottom end of the connecting pipe 5 and slidably sleeved on the smoke outlet pipe 404, and a plurality of second electric push rods 802 embedded in the bottom end of the workbench 1 and used for driving the supporting frame 801. The second electric push rod 802 drives the supporting frame 801 to drive the connecting pipe 5, the smoke outlet nozzle 6 and the supporting protrusion 7 to move upward, so as to lift the upper part of the filter out of the first rubber sealing ring 3. The staff can easily grasp the side surface of the upper part of the filter, and the staff can easily take out the filter.
[0032] As shown in the drawings, Figure 2 As shown, the upper side of the supporting frame 801 of the embodiment is provided with a second annular groove 803, and a second rubber sealing ring 804 is arranged in the second annular groove 803. The inner wall of the second rubber sealing ring 804 is attached to the outer side of the connecting pipe 5. The second rubber sealing ring 804 improves the sealing performance between the connecting pipe 5 and the smoke outlet pipe 404, and reduces the probability of smoke leakage between the inner wall of the connecting pipe 5 and the outer side of the smoke outlet pipe 404.
[0033] Please refer to Figures 1-2 As shown in the drawings, the outer side of the smoke outlet nozzle 6 of the embodiment is provided with a third annular groove 601, and the third annular groove 601 is provided with a third rubber sealing ring 602, and the outer side of the third rubber sealing ring 602 is attached to the inner wall of the placement hole 2, so as to improve the sealing property between the smoke outlet nozzle 6 and the placement hole 2 through the third rubber sealing ring 602, and reduce the probability of smoke leakage between the outer side of the third rubber sealing ring 602 and the inner wall of the placement hole 2.
[0034] Working principle: insert the filter into the first rubber sealing ring 3 and place it on the support protrusion 7 in the placement hole 2, seal the side of the filter through the first rubber sealing ring 3, drive the limiting strip 13 to slide above the filter profile frame through the first electric push rod 14, avoid the filter being blown out of the first rubber sealing ring 3, open the smoke outlet mechanism 4, the fan 403 cooperates with the smoke generator 401 to generate smoke gas, the smoke gas is discharged into the connecting pipe 5 through the smoke outlet pipe 404, and the smoke gas is sprayed out through the smoke outlet nozzle 6, whether there is smoke leakage is detected by the detection lamp, whether it is qualified is judged in this way, the detection lamp can be a handheld detection lamp, and can also be fixed on the workbench 1, after the detection is completed, the driving mechanism 8 is opened, the second electric push rod 802 drives the support frame 801 to drive the connecting pipe 5, the smoke outlet nozzle 6 and the support protrusion 7 to move upwards, the upper part of the filter is pushed out of the first rubber sealing ring 3, the upper side of the filter is convenient for the worker to grasp, and the filter is convenient for the worker to take out.
[0035] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art, all the electric appliances in the utility model are powered by external power supply or built-in battery, and the type and specific type of all the electric appliances in the utility model are not limited, and the person skilled in the art can definitely use the applicable electric appliance type and specific type and electric appliance power supply mode according to the common sense in the art.
[0036] The utility model is not limited to the above-mentioned embodiment, any person should know that the structural changes made under the inspiration of the utility model, any technical scheme with the same or similar to the utility model falls into the protection scope of the utility model. The technical, shape and structure parts not described in detail in the utility model are all known technologies.
Claims
1. A medical filter air tightness testing apparatus, characterized by, The utility model relates to a smoke outlet device for a workbench, comprising: A workbench (1) is provided with a placing hole (2) on the top of the workbench (1), a first rubber sealing ring (3) corresponding to the placing hole (2) is arranged on the upper side of the workbench (1), a smoke outlet mechanism (4) is arranged below the workbench (1), a connecting pipe (5) is slidably sleeved on the smoke outlet end of the smoke outlet mechanism (4), the upper end of the connecting pipe (5) extends into the placing hole (2) and is connected with a smoke outlet nozzle (6), a plurality of supporting protrusions (7) are uniformly arranged on the upper side of the smoke outlet nozzle (6), and a driving mechanism (8) for driving the sliding of the connecting pipe (5) is arranged at the bottom end of the workbench (1).
2. The medical filter air tightness testing apparatus according to claim 1, wherein, A plurality of smoke outlet holes are uniformly arranged on the upper side of the smoke outlet nozzle (6), the plurality of smoke outlet holes are arranged alternately with the plurality of supporting protrusions (7), and the supporting protrusions (7) are in a hemispherical structure.
3. The medical filter air tightness testing apparatus of claim 1, wherein, A fixed frame (11) corresponding to the first rubber sealing ring (3) is arranged on the upper side of the workbench (1), a first annular groove (12) is arranged on the bottom surface of the fixed frame (11), and the first rubber sealing ring (3) is located in the first annular groove (12).
4. The medical filter air tightness testing apparatus of claim 3, wherein, Two limiting strips (13) are slidably arranged on the upper side of the fixed frame (11), and two first electric push rods (14) for driving the sliding of the two limiting strips (13) are arranged on the upper side of the fixed frame (11).
5. The medical filter air tightness testing apparatus of claim 1, wherein, Four supporting legs (9) are arranged at the bottom end of the workbench (1), a supporting plate (10) is arranged between the four supporting legs (9), the smoke outlet mechanism (4) comprises a smoke generator (401) and a bellows (402) arranged on the upper side of the supporting plate (10), the smoke generator (401) is connected with the bellows (402), a fan (403) is connected to the smoke generator (401), a smoke outlet pipe (404) is connected to the upper side of the bellows (402), a fresh air valve (405) is connected to the side surface of the bellows (402), and the connecting pipe (5) is slidably sleeved on the smoke outlet pipe (404).
6. The medical filter air tightness testing apparatus of claim 5, wherein, The driving mechanism (8) comprises a supporting frame (801) arranged on the bottom end of the connecting pipe (5) and slidably sleeved on the smoke outlet pipe (404), and a plurality of second electric push rods (802) embedded in the bottom end of the workbench (1) and used for driving the supporting frame (801).
7. The medical filter air tightness testing apparatus of claim 6, wherein, A second annular groove (803) is arranged on the upper side of the supporting frame (801), a second rubber sealing ring (804) is arranged in the second annular groove (803), and the inner wall of the second rubber sealing ring (804) is attached to the outer side of the connecting pipe (5).
8. The medical filter air tightness testing apparatus of claim 7, wherein, A third annular groove (601) is arranged on the outer side of the smoke outlet nozzle (6), a third rubber sealing ring (602) is arranged in the third annular groove (601), and the outer side of the third rubber sealing ring (602) is attached to the inner wall of the placing hole (2).
Citation Information
Patent Citations
Air tightness detection tool for high-efficiency filter
CN217358871U