Air leakage detection device of disposable infusion apparatus
By designing a reinforcement and adjustment mechanism, the problem of loosening and leakage of the sealing plug in the infusion set under high-pressure gas was solved, thereby improving the stability and accuracy of infusion set testing.
Patent Information
- Application Number
- CN202422938488.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-29
AI Technical Summary
When high-pressure gas is introduced into existing infusion sets, the sealing plug may be pushed open, leading to air leakage and affecting the accuracy of the test.
A leak detection device including a reinforcement mechanism and an adjustment mechanism was designed. The sealing plug is clamped by the cooperation of the clamping block and the metal plate to reduce the risk of loosening and leakage. The vertical plate spacing is adjusted by a rotating motor to ensure uniform gas flow and improve detection accuracy.
This improves the stability and accuracy of infusion set testing, reduces the risk of gas blockage caused by loose sealing plugs and bending of the infusion set, and ensures the reliability of airtightness testing.
Smart Images

Figure CN223597114U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to detection device technical field especially is related to a disposable infusion apparatus's air leakage detection device. BACKGROUND
[0002] Disposable infusion apparatus is a kind of common medical apparatus, mainly for carrying out intravenous infusion therapy for patient in medical scene, and is suitable for general drug infusion, such as common antibiotic infusion, supplementing electrolyte solution and other infusion conditions.
[0003] The existing Chinese public patent (authorization announcement number: CN212284931U) mentions a kind of infusion apparatus air leakage detection device, and the state of display (if normal, the one end of liquid filter will automatically fall off from connector, air pressure gauge shows air pressure, no indicator light is bright;There is undesirable product: indicator light is bright red, infusion apparatus pipeline exists air leakage;Indicator light is bright green, air filter or air membrane leaks;Indicator light is bright yellow, infusion apparatus pipeline exists blockage) by PLC electric control and pressure stabilizing valve control and air pressure gauge and indicator light, can make user can quickly make judgment, to improve efficiency, and there is no high misjudgment.
[0004] When carrying out air-tightness detection to infusion apparatus, infusion needle head of infusion apparatus is installed on the outer side of vertical plate through sealing plug, then gas output interface is connected to one side sealing plug to carry out detection, although simple and easy to operate, but when higher pressure gas is filled into infusion apparatus, the outward thrust generated by gas to sealing plug and interface, possibly make originally close-fitting plug be slowly pushed open, and loose air leakage occurs. SUMMARY
[0005] The utility model aims at: for solving when higher pressure gas is filled into infusion apparatus, gas, possibly make originally close-fitting plug be slowly pushed open problem, the utility model provides a kind of infusion apparatus's air leakage detection device.
[0006] The utility model discloses a kind of infusion apparatus's air leakage detection device, and the technical scheme is as follows:
[0007] A kind of infusion apparatus's air leakage detection device, including detection table, the top of the detection table is symmetrically provided with vertical plate, sealing plug is installed between two vertical plates, infusion apparatus body is arranged between two sealing plugs, the top of the detection table is fixedly connected with air pump, the output end of the air pump penetrates one side vertical plate and is communicated with sealing plug, the outer side of the other side vertical plate is provided with air pressure gauge, the air pressure gauge is communicated with sealing plug, the top of the detection table is fixedly connected with control panel, the outer side of the vertical plate is provided with reinforcing mechanism, the top of the detection table is provided with adjusting mechanism.
[0008] By adopting the technical scheme, the infusion needle of the infusion device body is installed on the outer side of the vertical plate through the sealing plug at both ends, then the output end of the air pump is connected to one side of the sealing plug for inflation, so that a certain pressure is generated in the infusion device body, and after standing for a period of time, whether the infusion device body leaks is determined by judging whether the air pressure is reduced, thereby completing the air tightness detection of the infusion device body. The reinforcing mechanism can reduce the risk of loosening and air leakage of the sealing plug, and the adjusting mechanism can reduce the risk of gas not flowing caused by bending of the infusion device body.
[0009] Further, the reinforcing mechanism includes a placement seat fixedly connected to the outer side of the vertical plate, the top of the placement seat is overlapped with the sealing plug, the top of the vertical plate is fixedly connected with a fixed plate, the top of the fixed plate is threadedly connected with a threaded rod one, the top of the threaded rod one is fixedly connected with a handle, and the end of the threaded rod one away from the handle penetrates through the fixed plate and is rotationally connected with a clamping block. The clamping block moves and abuts against the sealing plug.
[0010] By adopting the technical scheme, the handle is rotated to drive the clamping block to move downward to clamp the sealing plug, thereby achieving clamping and fixing of the sealing plug and improving the stability of the sealing plug during detection.
[0011] Further, the bottom of the clamping block is fixedly connected with a metal plate, and the bottom end of the metal plate is provided as a metal rough surface.
[0012] By adopting the technical scheme, the metal plate can increase the friction between the clamping block and the sealing plug, thereby improving the clamping effect of the clamping block.
[0013] Further, the bottom end of the clamping block and the metal plate are provided as arc surfaces, and the shapes of the clamping block and the metal plate are adapted to the sealing plug.
[0014] By adopting the technical scheme, the clamping block and the metal plate are provided with arcs, so that the contact area of the clamping block and the metal plate with the sealing plug is increased.
[0015] Further, the top of the clamping block is fixedly connected with an auxiliary rod, the top of the auxiliary rod penetrates through the fixed plate, and the auxiliary rod is slidingly connected with the fixed plate.
[0016] By adopting the technical scheme, the auxiliary rod provides an additional support point for the clamping block, so that the clamping block can move stably.
[0017] Further, the outer side of the fixed plate is fixedly connected with a diagonal brace, the bottom end of the diagonal brace is fixedly connected with the top of the vertical plate, and the diagonal brace is provided as a triangle.
[0018] Through adoption of the above technical scheme, the fixed plate and the vertical plate form a stable triangle, so that the fixed plate is kept stable during work.
[0019] Further, the adjusting mechanism comprises an empty slot formed in the top of the detection table, a rotating motor is fixedly connected to the outer side of the detection table, a threaded rod two is rotatably connected to the inner side of the empty slot, the output shaft of the rotating motor penetrates the detection table and is fixedly connected with the threaded rod two, a threaded block is threadedly connected to the outer side of the threaded rod two, and the top of the threaded block is fixedly connected with one vertical plate.
[0020] Through adoption of the above technical scheme, the rotating motor is started to drive the threaded rod two to rotate, so that the distance between the two vertical plates changes, and the gas flows uniformly and smoothly in the whole infusion device body.
[0021] Further, the guiding rod is symmetrically fixedly connected to the inner side of the empty slot, one end of the guiding rod penetrates the threaded block, and the guiding rod is slidingly connected with the threaded block.
[0022] Through adoption of the above technical scheme, the guiding rod provides a guiding effect for the threaded block, so that the threaded block can keep a correct movement track when moving.
[0023] In summary, the utility model has at least one of the following beneficial effects.
[0024] 1. When the infusion device body is detected, the sealing plug is clamped and fixed by rotating the handle to drive the clamping block to move downward, thereby improving the stability of the sealing plug during detection, reducing the risk of loosening and air leakage during detection of the sealing plug, and improving the accuracy of detection.
[0025] 2. When infusion device bodies of different lengths are detected, the rotating motor is started to drive the threaded rod two to rotate, so that the distance between the two vertical plates changes, the gas flows uniformly and smoothly in the whole infusion device body, and the pressure gauge truly reflects the air tightness of the infusion device body, thereby improving the accuracy of air tightness detection and reducing the risk of gas not flowing due to bending of the infusion device body. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 is the first three-dimensional structure schematic diagram of the detection table in the utility model;
[0027] Figure 2 is the second three-dimensional structure schematic diagram of the detection table in the utility model;
[0028] Figure 3 is the three-dimensional structure schematic diagram of the vertical plate in the utility model;
[0029] Figure 4 is a fixed plate three-dimensional structure schematic view in the utility model.
[0030] Mark explanation:
[0031] 1, detection platform; 2, vertical plate; 3, sealing plug; 4, infusion device body; 5, inflation pump; 6, air pressure gauge; 7, control panel; 8, placing seat; 9, threaded rod one; 10, handle; 11, clamping block; 12, metal plate; 13, auxiliary rod; 14, empty slot; 15, rotary motor; 16, threaded rod two; 17, threaded block; 18, guide rod; 19, fixed plate; 20, inclined strut. Specific implementation
[0032] The following will be combined with the Figures 1-4 The utility model is further explained in detail.
[0033] The utility model discloses a kind of air leakage detection devices of disposable infusion device.
[0034] Refer to Figure 1 And Figure 2 An air leakage detection device of disposable infusion device, including detection platform 1, the top of detection platform 1 is symmetrically provided with vertical plate 2, sealing plug 3 is installed between two vertical plate 2, infusion device body 4 is arranged between two sealing plug 3, the top of detection platform 1 is fixedly connected with inflation pump 5, the output end of inflation pump 5 penetrates one side vertical plate 2 and is communicated with sealing plug 3, the outside of the other side vertical plate 2 is provided with air pressure gauge 6, air pressure gauge 6 is communicated with sealing plug 3, the top of detection platform 1 is fixedly connected with control panel 7, reinforcing mechanism is arranged on the outside of vertical plate 2, adjusting mechanism is arranged on the top of detection platform 1.
[0035] When sealing detection is carried out to infusion device body 4, the infusion needle head of infusion device body 4 is installed on the outside of vertical plate 2 through sealing plug 3, then the output end of inflation pump 5 is connected to one side sealing plug 3 to inflate, so that certain pressure is generated in infusion device body 4, after standing for a period of time, whether infusion device body 4 leaks is determined by judging whether the air pressure is reduced, so that the air tightness detection of infusion device body 4 is completed, the stability of sealing plug 3 can be increased by reinforcing mechanism, the risk of sealing plug 3 loosening and leaking is reduced, infusion device body 4 can be installed vertically by adjusting mechanism, the risk of gas not flowing due to bending of infusion device body 4 is reduced.
[0036] Refer to Figures 2-3The reinforcing mechanism comprises a placing seat 8 fixedly connected to the outer side of the vertical plate 2, the top of the placing seat 8 is overlapped with the sealing plug 3, the top of the vertical plate 2 is fixedly connected with a fixed plate 19, the top of the fixed plate 19 is threadedly connected with a threaded rod 1, the top of the threaded rod 1 is fixedly connected with a handle 10, the end of the threaded rod 1 away from the handle 10 penetrates through the fixed plate 19 and is rotationally connected with a clamping block 11, and the clamping block 11 is in abutment with the sealing plug 3 when moving.
[0037] The bottom of the clamping block 11 is fixedly connected with a metal plate 12, and the bottom end of the metal plate 12 is provided as a metal rough surface.
[0038] In addition, the bottom end of the clamping block 11 and the metal plate 12 are provided as arc surfaces, and the shapes of the clamping block 11 and the metal plate 12 are adapted to the sealing plug 3.
[0039] In addition, the bottom end of the clamping block 11 and the metal plate 12 are provided as arc surfaces, and the shapes of the clamping block 11 and the metal plate 12 are adapted to the sealing plug 3.
[0040] In addition, the outer side of the fixed plate 19 is fixedly connected with a diagonal brace 20, the bottom end of the diagonal brace 20 is fixedly connected with the top of the vertical plate 2, and the diagonal brace 20 is provided as a triangle.
[0041] When the infusion device body 4 is detected, first, the sealing plug 3 is installed on the two placing seats 8, then the threaded rod 1 is driven to rotate by rotating the handle 10, the threaded rod 1 is moved downward by the threaded connection between the threaded rod 1 and the fixed plate 19, and the clamping block 11 is moved downward by the rotational connection between the threaded rod 1 and the clamping block 11 to clamp the sealing plug 3, so as to realize the clamping and fixing of the sealing plug 3, improve the stability of the sealing plug 3 during detection, reduce the risk of loosening and air leakage of the sealing plug 3 during detection, and improve the accuracy of detection.
[0042] When the clamping block 11 fixes the sealing plug 3, the metal plate 12 can increase the friction between the clamping block 11 and the sealing plug 3, thereby improving the clamping effect of the clamping block 11.
[0043] When the clamping block 11 and the metal plate 12 clamp the sealing plug 3, the clamping block 11 and the metal plate 12 are both provided with an arc shape, so that the contact area of the clamping block 11 and the metal plate 12 with the sealing plug 3 is increased, and the stability of the sealing plug 3 is further improved.
[0044] When the clamping block 11 provides, the clamping block 11 is provided with an additional support point by the auxiliary rod 13, so that the clamping block 11 can move stably.
[0045] When the sealing plug 3 is clamped, the fixed plate 19 and the vertical plate 2 form a stable triangle through the inclined support 20, so that the fixed plate 19 remains stable during work.
[0046] Referring to Figures 1-4 , the adjusting mechanism comprises an empty slot 14 opened at the top of the detection table 1, the outer side of the detection table 1 is fixedly connected with a rotary motor 15, the inner side of the empty slot 14 is rotatably connected with a threaded rod two 16, the output shaft of the rotary motor 15 penetrates the detection table 1 and is fixedly connected with the threaded rod two 16, the outer side of the threaded rod two 16 is threadedly connected with a threaded block 17, and the top of the threaded block 17 is fixedly connected with a vertical plate 2.
[0047] Among them, the inner side of the empty slot 14 is symmetrically fixedly connected with a guide rod 18, one end of the guide rod 18 penetrates the threaded block 17, and the guide rod 18 is slidably connected with the threaded block 17.
[0048] When detecting infusion device bodies 4 of different lengths, the threaded rod two 16 is driven to rotate by starting the rotary motor 15, the threaded rod two 16 rotates to make the threaded block 17 move on the outer side of the threaded rod two 16, the threaded block 17 is fixedly connected with the vertical plate 2, so that the vertical plate 2 moves, thereby changing the distance between the two vertical plates 2, making the gas flow uniformly and smoothly inside the entire infusion device body 4, and making the pressure gauge truly reflect the air tightness of the infusion device body 4, thereby improving the accuracy of the air tightness detection and reducing the risk of gas not flowing due to bending of the infusion device body 4.
[0049] When the threaded block 17 moves, the guide rod 18 provides a guiding effect for the threaded block 17, so that the threaded block 17 can maintain the correct movement trajectory when moving.
[0050] Working principle: the infusion needle ends of the infusion device body 4 are installed outside the vertical plate 2 through the sealing plug 3, then the output end of the air pump 5 is connected to one side of the sealing plug 3 for inflation, so that a certain pressure is generated inside the infusion device body 4, after standing for a period of time, whether the infusion device body 4 leaks is determined by judging whether the air pressure decreases, thereby completing the air tightness detection of the infusion device body 4, the sealing plug 3 is installed on the two side placing seats 8, then the threaded rod one 9 is driven to rotate by rotating the handle 10, the threaded rod one 9 is threadedly connected with the fixed plate 19, so that the threaded rod one 9 moves downward, the clamping block 11 is rotatably connected with the threaded rod one 9, so that the clamping block 11 moves downward to clamp the sealing plug 3, thereby realizing clamping and fixing of the sealing plug 3 and improving the stability of the sealing plug 3 during detection.
Claims
1. A leak detection device for a disposable infusion set comprising a detection station (1), characterized in that: The top of the detection platform (1) is symmetrically provided with vertical plates (2), sealing plugs (3) are installed between the two vertical plates (2), an infusion device body (4) is arranged between the two sealing plugs (3), the top of the detection platform (1) is fixedly connected with an air inflation pump (5), the output end of the air inflation pump (5) penetrates through one side of the vertical plate (2) and is in communication with the sealing plug (3), the outer side of the other side of the vertical plate (2) is provided with an air pressure gauge (6), the air pressure gauge (6) is in communication with the sealing plug (3), the top of the detection platform (1) is fixedly connected with a control panel (7), the outer side of the vertical plate (2) is provided with a reinforcing mechanism, and the top of the detection platform (1) is provided with an adjusting mechanism.
2. A leak detection device for a disposable infusion set according to claim 1, characterized in that: The reinforcing mechanism comprises a placing seat (8) fixedly connected to the outer side of the vertical plate (2), the top of the placing seat (8) is overlapped with the sealing plug (3), the top of the vertical plate (2) is fixedly connected with a fixed plate (19), the top of the fixed plate (19) is threadedly connected with a threaded rod (9), the top of the threaded rod (9) is fixedly connected with a handle (10), one end of the threaded rod (9) away from the handle (10) penetrates through the fixed plate (19) and is rotatably connected with a clamping block (11), and the clamping block (11) is in abutment with the sealing plug (3) when moving.
3. A leak detection device for a disposable infusion set according to claim 2, wherein: The bottom of the clamping block (11) is fixedly connected with a metal plate (12), and the bottom end of the metal plate (12) is provided as a metal rough surface.
4. A leak detection device for a disposable infusion set according to claim 2, wherein: The bottom end of the clamping block (11) and the metal plate (12) are provided as circular arc surfaces, and the shapes of the clamping block (11) and the metal plate (12) are adapted to the sealing plug (3).
5. A leak detection device for a disposable infusion set according to claim 2, wherein: The top of the clamping block (11) is fixedly connected with an auxiliary rod (13), the top of the auxiliary rod (13) penetrates through the fixed plate (19), and the auxiliary rod (13) is slidably connected with the fixed plate (19).
6. A leak detection device for a disposable infusion set according to claim 2, wherein: The outer side of the fixed plate (19) is fixedly connected with an inclined support (20), the bottom end of the inclined support (20) is fixedly connected with the top of the vertical plate (2), and the inclined support (20) is provided in a triangular shape.
7. The leak detection device of claim 1, wherein: The adjusting mechanism comprises an empty groove (14) formed in the top of the detection platform (1), a rotary motor (15) is fixedly connected to the outer side of the detection platform (1), a threaded rod (16) is rotatably connected to the inner side of the empty groove (14), the output shaft of the rotary motor (15) penetrates through the detection platform (1) and is fixedly connected with the threaded rod (16), a threaded block (17) is threadedly connected to the outer side of the threaded rod (16), and the top of the threaded block (17) is fixedly connected with one side of the vertical plate (2).
8. A leak detection device for a disposable infusion set according to claim 7, characterized in that: The inner side of the empty groove (14) is symmetrically fixedly connected with guide rods (18), one end of the guide rod (18) penetrates through the threaded block (17), and the guide rod (18) is slidably connected with the threaded block (17).
Citation Information
Patent Citations
Infusion apparatus air leakage neglected loading detection device
CN212284931U