Handheld oxygen detector

Abstract

The utility model relates to the field of oxygen detectors, and discloses a handheld oxygen detector, which comprises a main machine, an oxygen detector, an oxygen detector and a controller, the two connecting parts are installed on the main machine and used for being connected with an oxygen pipe; the filtering part is mounted in the connecting part and is used for filtering impurities in the gas; and the switch part is arranged in the connecting part and is connected with the filtering part. According to the utility model, impurities in the gas can be effectively removed through the filtering part, the gas entering the connecting part is ensured to be pure and impurity-free, the accuracy of a detection result can be improved, the service life of equipment can be prolonged, faults and damages caused by impurities are reduced, the filtering part is convenient to replace by a user, the maintenance cost is reduced, and the service life of the equipment is prolonged. And the sustainable usability of the equipment is also improved.

Description

Technical Field

[0001] The utility model relates to the field of oxygen detectors, in particular to a handheld oxygen detector. Background Art

[0002] Handheld oxygen inhaler testers, such as the OIT-4S, are designed specifically for calibrating cylinder-supplied and centrally supplied float-type oxygen inhalers used in hospitals and other institutions. Their primary purpose is to measure the flow rate and low-pressure portion of these oxygen inhalers, ensuring safety and accuracy during use.

[0003] In addition, handheld oxygen inhaler detectors usually have high accuracy and sensitivity, and can accurately detect the flow and low-pressure parts of the oxygen inhaler, providing reliable protection for the hospital's oxygen supply.

[0004] In actual use, impurities such as dust, particulate matter, and water vapor may be present in the test gas. If these impurities are not effectively filtered and enter the detector directly, they may damage the sensor, causing distorted test results or equipment failure. This not only affects the accuracy and reliability of the test work, but also poses a safety hazard to medical work. Utility Model Content

[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] Handheld oxygen detector, including:

[0007] Host, used for flow and low pressure verification of oxygen inhaler;

[0008] Two connecting parts, installed on the main unit, for connecting oxygen tubes;

[0009] a filter portion, installed in the connecting portion, for filtering impurities in the gas;

[0010] a switch portion, installed in the connecting portion and connected to the filtering portion;

[0011] The switch portion includes a valve plate, which is installed at the bottom of the switch portion. The valve plate is configured to move away from the switch portion when the filter portion is installed in the connecting portion, so as to control the opening and closing of the switch portion.

[0012] The connecting portion includes:

[0013] an inner tube, mounted on top of the connection portion;

[0014] A plurality of limiting members are installed in the inner tube, one end of which is arc-shaped and is arranged to move closer to or farther away from the center of the inner tube, so as to limit the position of the filter portion;

[0015] The outer ring is installed on the outer ring of the inner tube. The outer ring is configured to control the plurality of limit members to move away from the center of the inner tube when rotating on the inner tube.

[0016] The inner wall of the inner tube is provided with a plurality of grooves, and the limiting members are installed in the grooves.

[0017] The limiting member includes:

[0018] a first elastic member, one end of which is mounted on the limiting member and the other end of which is mounted on the side wall of the groove;

[0019] The connecting piece has one end mounted on the limiting piece and the other end passing through the groove and connected to the inner ring of the outer ring.

[0020] The switch unit further includes:

[0021] a telescopic rod, one end of which is mounted on the valve plate and the other end of which contacts the bottom of the filter portion;

[0022] One end of the second elastic member is mounted on the valve plate, and the other end is connected to the bottom of the switch portion.

[0023] The bottom of the switch portion is provided with an accommodating groove, and one end of the second elastic member is mounted on the top wall of the accommodating groove.

[0024] The filter unit includes:

[0025] Two filter sheets are installed at the top and bottom of the filter part respectively;

[0026] The filter element is installed between two filter sheets.

[0027] The valve plate includes:

[0028] A sealing member is mounted on the valve plate and is used to provide a sealing contact between the valve plate and the switch portion.

[0029] As described above, the stirring mechanism provided by the present invention has the following beneficial effects:

[0030] 1. The filter can effectively remove impurities in the gas, ensuring that the gas entering the connection is pure and free of impurities. This can not only improve the accuracy of the test results, but also extend the service life of the equipment and reduce failures and damage caused by impurities.

[0031] 2. The design of the filter unit makes it easy for users to replace it, which not only reduces maintenance costs but also improves the sustainable use of the equipment. Users can replace the filter unit at any time as needed to ensure long-term stable operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0033] Figure 2 This is a structural diagram of the utility model from another perspective;

[0034] Figure 3 This is a schematic diagram of the main structure of the utility model;

[0035] Figure 4 This is a schematic diagram of the cross-sectional structure of the connecting portion, inner tube, switch portion and filter portion of the present invention;

[0036] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0037] The reference numerals in the figures are:

[0038] 1. Host;

[0039] 2. Connecting part;

[0040] 3. Inner tube; 301. Position-limiting member; 302. First elastic member; 303. Connecting member; 304. Groove;

[0041] 4. Switch unit; 401. Valve plate; 402. Telescopic rod; 403. Sealing member; 404. Second elastic member;

[0042] 5. Filter unit; 501. Filter sheet; 502. Filter element;

[0043] 6. Outer ring. DETAILED DESCRIPTION

[0044] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0045] Reference Figure 1-Figure 5The handheld oxygen detector includes: a host 1, which is designed to calibrate the flow rate and low pressure of the oxygen inhaler to ensure the accuracy and safety of the oxygen inhaler. The host 1, as the core part of the detector, has high stability and reliability, and can provide users with accurate detection results, thereby ensuring the normal use of the oxygen inhaler; two connecting parts 2, which are installed on the host 1. By installing the two connecting parts 2 on the host 1, the handheld oxygen detector can connect two oxygen tubes at the same time for detection, which improves the detection efficiency. The design of the connecting part 2 is reasonable, which is convenient for users to connect and disassemble, making the detection process more convenient; the filter part 5, which is installed in the connecting part 2, and the setting of the filter part 5 can It can effectively filter impurities in the gas, ensuring the accuracy and reliability of the test results. The installation position of the filter part 5 is reasonable, which is convenient for users to replace and maintain, thereby extending the service life of the equipment; the switch part 4 is installed in the connecting part 2 and is connected to the filter part 5; the switch part 4 includes a valve plate 401, and the valve plate 401 is installed at the bottom of the switch part 4. The valve plate 401 is set to move away from the switch part 4 when the filter part 5 is installed in the connecting part 2. The design of the switch part 4 enables the valve plate 401 to automatically move away from the switch part 4 when the filter part 5 is installed in the connecting part 2, thereby controlling the opening and closing of the switch part 4. When the filter part 5 is not installed, dust and impurities can be prevented from entering the main unit 1 from the connecting part 2.

[0046] Reference Figure 4 and Figure 5 The connecting part 2 includes: an inner tube 3, which is installed at the top of the connecting part 2; a plurality of limiting members 301, which are installed in the inner tube 3, one end of which is arc-shaped and is configured to approach or move away from the center of the inner tube 3, for limiting the filter part 5; an outer ring 6, which is installed on the outer ring of the inner tube 3. The outer ring 6 is configured to control the plurality of limiting members 301 to move away from the center of the inner tube 3 when rotating on the inner tube 3. The inner wall of the inner tube 3 is provided with a plurality of grooves 304, and the limiting members 301 are installed in the grooves 304. The design of the inner tube 3 provides a stable installation space for the filter part 5. The setting of the plurality of limiting members 301 can accurately limit the filter part 5 to ensure its stability during operation. The rotation of the outer ring 6 can control the limiting member 301 to move away from the center of the inner tube 3, thereby facilitating the installation and disassembly of the filter part 5.

[0047] Reference Figure 5The limiting member 301 includes: a first elastic member 302, one end of which is installed on the limiting member 301, and the other end is installed on the side wall of the groove 304; a connecting member 303, one end of which is installed on the limiting member 301, and the other end passes through the groove 304 and is connected to the inner ring of the outer ring 6. The first elastic member 302 is a stainless steel spring, and an alloy spring can also be used. The design of the limiting member 301 enables it to flexibly approach or move away from the center of the inner tube 3 when it is subjected to the rotational force of the outer ring 6. The setting of the first elastic member 302 can ensure the stability and accuracy of the limiting member 301 during the movement process, and the connecting member 303 realizes a reliable connection between the limiting member 301 and the outer ring 6. The connecting member 303 is made of nylon rope, and a nylon belt can also be used.

[0048] Reference Figure 4 and Figure 5 The switch part 4 also includes: a telescopic rod 402, one end of which is mounted on the valve plate 401, and the other end is in contact with the bottom of the filter part 5; a second elastic member 404, one end of which is mounted on the valve plate 401, and the other end is connected to the bottom of the switch part 4. A receiving groove is provided at the bottom of the switch part 4, and one end of the second elastic member 404 is mounted on the top wall of the receiving groove. The design of the telescopic rod 402 enables the valve plate 401 to move away from the switch part 4 when subjected to the pressure of the filter part 5, thereby controlling the opening and closing of the switch part 4. The setting of the second elastic member 404 can ensure the stability and accuracy of the valve plate 401 during movement, and provide the valve plate 401 with a restoring force to its initial position. The second elastic member 404 adopts an elastic rope or a spring, and the receiving groove provides a stable installation space for the second elastic member 404.

[0049] Reference Figure 4 and Figure 5 The filter part 5 includes: two filter pieces 501, which are respectively installed at the top and bottom of the filter part 5; a filter core 502, which is installed between the two filter pieces 501. The combination of the filter piece 501 and the filter core 502 can effectively remove impurities in the gas and improve the accuracy of the test results. The filter piece 501 adopts a plastic filter mesh or a stainless steel filter mesh. The filter core 502 adopts non-woven fabric or filter cotton, which is convenient for users to replace and maintain. The design of the filter core 502 ensures the stability and durability of the filtering effect.

[0050] Reference Figure 5 The valve plate 401 includes: a sealing member 403, which is installed on the valve plate 401 and is used to provide the valve plate 401 with a sealed contact with the switch part 4. The setting of the sealing member 403 can provide the valve plate 401 with a close contact with the switch part 4, thereby ensuring the sealing performance of the switch part 4.

[0051] During use, first, install the filter part 5 into the inner tube 3. The filter part 5 squeezes the multiple limit members 301, and the multiple limit members 301 will automatically approach the center of the inner tube 3. When the filter part 5 is installed in place, it will contact the telescopic rod 402 of the switch part 4. After the telescopic rod 402 is under pressure, it will push the valve plate 401 away from the switch part 4, thereby opening the switch part 4 to allow gas to circulate. At the same time, the filter part 5 moves to the bottom of the limit member 301. The first elastic member 302 provides the initial position recovery force for the limit member 301, providing precise limit for the installation of the filter part 5. The user opens the host 1 of the handheld oxygen detector and prepares to perform flow and low pressure verification of the oxygen inhaler. After the host 1 is started, the internal circuit system will perform self-test to ensure the normal operation of each component. The user connects the oxygen tube to the connecting part 2. The inner tube 3 of the connecting part 2 provides a stable connection channel for the oxygen tube to ensure that the gas can flow smoothly. The two filter sheets 501 and the filter element 502 of the filter part 5 are used in combination to effectively remove impurities in the gas. During the gas circulation process, the filter part 5 continues to filter the gas to ensure that the gas entering the connecting part 2 is pure and free of impurities. The user can observe the flow and low pressure information of the oxygen inhaler through the display screen on the host 1, so as to perform calibration and adjustment. When the test is completed, the user needs to remove the filter part 5 from the connecting part 2 for replacement. At this time, the user can rotate the outer ring 6, and the outer ring 6 simultaneously pulls multiple connecting parts 303. The connecting part 303 pulls the limit part 301, so that the limit part 301 moves away from the center of the inner tube 3, so that the filter part 5 can be easily removed for replacement to ensure the accuracy of the next test.

[0052] In summary, compared with the existing technology, it has the following beneficial effects:

[0053] The filter 5 can effectively remove impurities in the gas, ensuring that the gas entering the connecting part 2 is pure and free of impurities, which can not only improve the accuracy of the detection results, but also extend the service life of the equipment and reduce malfunctions and damages caused by impurities.

[0054] The design of the filter part 5 is convenient for users to replace, which not only reduces maintenance costs but also improves the sustainable use of the equipment. Users can replace the filter part 5 at any time as needed to ensure long-term stable operation of the equipment.

[0055] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0056] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. Handheld oxygen detector, characterized in that: include: A main unit (1), used for flow rate and low pressure verification of an oxygen inhaler; Two connecting parts (2), mounted on the main unit (1) and used for connecting oxygen tubes; A filter unit (5) installed in the connecting unit (2) and used for filtering impurities in the gas; A switch part (4) is installed in the connecting part (2) and connected to the filtering part (5); The switch portion (4) comprises a valve plate (401), wherein the valve plate (401) is mounted at the bottom of the switch portion (4), and the valve plate (401) is arranged such that when the filter portion (5) is mounted in the connecting portion (2), the valve plate (401) moves away from the switch portion (4), so as to control the opening and closing of the switch portion (4).

2. The handheld oxygen detector according to claim 1, characterized in that: The connecting portion comprises: An inner tube (3) mounted on the top of the connecting portion (2); A plurality of limiting members (301) are installed in the inner tube (3), one end of which is arc-shaped and is arranged to move closer to or farther from the center of the inner tube (3) so as to limit the position of the filter portion (5); The outer ring (6) is mounted on the outer ring of the inner tube (3), and the outer ring (6) is configured to control the plurality of limit members (301) to move away from the center of the inner tube (3) when rotating on the inner tube (3).

3. The handheld oxygen detector according to claim 2, characterized in that: The inner wall of the inner tube (3) is provided with a plurality of grooves (304), and the limiting member (301) is installed in the grooves (304).

4. The handheld oxygen detector according to claim 3, characterized in that: The limiting member (301) comprises: A first elastic member (302), one end of which is mounted on the limiting member (301) and the other end of which is mounted on the side wall of the groove (304); The connecting member (303) has one end mounted on the limiting member (301) and the other end passing through the groove (304) and connected to the inner ring of the outer ring (6).

5. The handheld oxygen detector according to claim 1, characterized in that: The switch unit (4) further comprises: A telescopic rod (402), one end of which is mounted on the valve plate (401) and the other end of which is in contact with the bottom of the filter portion (5); The second elastic member (404) has one end mounted on the valve plate (401) and the other end connected to the bottom of the switch portion (4).

6. The handheld oxygen detector according to claim 5, characterized in that: The bottom of the switch portion (4) is provided with a receiving groove, and one end of the second elastic member (404) is mounted on the top wall of the receiving groove.

7. The handheld oxygen detector according to claim 1, characterized in that: The filter unit (5) comprises: Two filter sheets (501) are respectively installed on the top and bottom of the filter part (5); The filter element (502) is installed between the two filter sheets (501).

8. The handheld oxygen detector according to claim 1, characterized in that: The valve plate (401) comprises: A sealing member (403) is mounted on the valve plate (401) and is used to provide a sealing contact between the valve plate (401) and the switch portion (4).

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