CN116658815A - A medical oxygen concentration detection device - Google Patents

Abstract

The invention belongs to the technical field of medical equipment, in particular to a medical oxygen concentration detection device, which includes an oxygen tank, a terminal plug fixed on the top of the oxygen tank, an oxygen measuring meter installed at the output end of the terminal plug, and an oxygen meter installed on the oxygen tank. The docking mechanism between the terminal plug and the oxygen measuring meter, the device can be adapted to the connection of the oxygen measuring meter according to the terminal plugs of different specifications through the provided docking mechanism, and there is no need to be equipped with different terminal plugs for conversion before connecting the oxygen measuring meter. Oxygen meter to measure, improve the convenience in the connection process between the terminal plug and the oxygen meter, can fill the gap between the butt outlet pipe and the butt inlet pipe, prevent the deviation of the test results caused by gas leakage during the detection process, and facilitate the oxygen measurement The meter and the terminal plug are installed and disassembled, which is convenient for the inspection personnel to install and replace, saves manpower, and has a good use effect.

Description

A medical oxygen concentration detection device

technical field

The invention belongs to the technical field of medical equipment, and in particular relates to a medical oxygen concentration detection device.

Background technique

As China's hospital construction enters a period of rapid development, most of the newly built, rebuilt and expanded hospitals adopt the centrally supplied medical central oxygen supply system, which is used in the operating room, emergency room, treatment room and each ward of the hospital to provide patients with Oxygen is known as the life support system of medical and health institutions. The oxygen supply system of the medical center is mainly composed of oxygen supply sources, pipelines, valves, meters and terminals. When measuring the oxygen concentration, the oxygen meter needs to be connected to the medical center. The terminal of the oxygen supply system is used for measurement. At present, the terminal styles of the central oxygen supply system used in hospitals are different, and it is impossible to adapt the connection of the oxygen meter according to different terminals. As a result, different plugs need to be equipped for conversion before connecting to the test. Oxygen meter is used for measurement, so many difficulties in connection are caused, which brings great inconvenience to the testing personnel.

In order to solve the above problems, this application proposes a medical oxygen concentration detection device.

Contents of the invention

In order to solve the problems raised in the above-mentioned background technology. The invention provides a medical oxygen concentration detection device, which has terminal plugs of different specifications to adapt to the connection of the oxygen measuring meter, does not need to be equipped with different terminal plugs for conversion and then connects the oxygen measuring meter for measurement, and improves the terminal plug and oxygen measuring device. Convenience feature during table join process.

In order to achieve the above object, the present invention provides the following technical solutions: a medical oxygen concentration detection device, including an oxygen tank, a terminal plug fixed on the top of the oxygen tank, and an oxygen measuring meter arranged at the output end of the terminal plug, and an installation a docking mechanism between said terminal plug and said oxygen meter;

The docking mechanism includes a connection assembly, a sealing assembly and a reset assembly, the connection assembly is installed at the output end of the terminal plug, the sealing assembly is installed at the end of the oxygen meter close to the terminal plug, the connection The reset component is installed inside the component.

Preferably, as a medical oxygen concentration detection device of the present invention, the connection assembly includes a connection plug, an expansion support plate, a butt outlet pipe, a hinged seat, a push-pull link, an expansion link, a positioning slide bar and a connection seat, and the terminal The end of the plug away from the oxygen tank is fixed with the connection plug, and the inside of the connection plug is provided with several sets of expansion braces in a circular array. Several groups of hinged seats are fixed on the surface of the trachea close to the multiple sets of expansion braces, and the inside of the hinged seats is hinged with the push-pull connecting rod in an L-shaped structure, and the two push-pull connecting rods The expansion connecting rod is arranged laterally symmetrically, the positioning slide bar is fixed at one end of the expansion connecting rod, and the connection seat is fixed at the side of the expansion brace close to the hinge seat.

Preferably, as a medical oxygen concentration detection device of the present invention, the end of the expansion connecting rod away from the positioning slide bar is hinged with a fixing rod, and the end of the fixing rod away from the expansion connecting rod is connected to the inner wall of the connecting plug For fixed connection, a side of the connection seat close to the fixed rod is provided with an avoidance groove matching the fixed rod.

Preferably, as a medical oxygen concentration detection device of the present invention, a relief groove is provided inside the connecting plug on a side close to the expansion brace, and the butt outlet pipe is composed of two pipes with different pipe diameters.

As a preferred medical oxygen concentration detection device of the present invention, a positioning chute matching with the positioning sliding rods is provided on the side of the connecting seat close to the two sets of positioning sliding rods. The rod and the connecting seat are slidably connected through the positioning chute.

Preferably, as a medical oxygen concentration detection device of the present invention, a hinge rod is hinged at the end of the push-pull link away from the hinge seat, and both ends of the hinge rod are respectively fixedly connected to two sets of expansion links.

As a preferred medical oxygen concentration detection device of the present invention, the sealing assembly includes a docking card cover, a docking intake pipe, a sealing ring and a spring A, and the end of the oxygen meter close to the connecting plug is fixed with a hollow structure. The docking card cover, the inside of the docking card cover is fixed with the docking intake pipe, the inside of the docking intake pipe is provided with the sealing ring, and the side of the sealing ring away from the connecting plug is fixed with several sets of The spring A in the ring array, the inner side of the docking intake pipe close to the spring A is provided with a storage groove that is compatible with the spring A, and the spring A passes through the storage groove and the docking inlet. The trachea is fixedly connected.

Preferably, as a medical oxygen concentration detection device of the present invention, the docking card cover and the oxygen measuring meter are connected through the docking inlet pipe, and an end of the docking inlet pipe close to the docking outlet pipe is provided with a The butt joint groove of the butt outlet pipe is suitable, and the sealing ring is arranged in the butt joint groove.

Preferably, as a medical oxygen concentration detection device of the present invention, the reset assembly includes a strong magnetic seat A, a strong magnetic seat B, a spring B and a locking bolt, and the surface of the connecting plug is close to one end sleeve of the terminal plug The strong magnetic seat B in a ring structure is provided, and the strong magnetic seat B is slidably connected to the surface of the connecting plug, and the surface of the docking card cover is fixed near one end of the strong magnetic seat B There is the strong magnetic suction seat A in a ring structure, the spring B is wound around the surface of the thinner end of the docked air outlet pipe, and a spring B is provided inside the thicker end of the docked air outlet pipe. An adapted accommodating groove, the internal thread of the strong magnetic seat B is connected with the locking bolt, and one end of the locking bolt abuts against the surface of the connecting plug.

Preferably, as a medical oxygen concentration detection device of the present invention, a chute suitable for the docked air outlet pipe is provided inside the connecting plug, and the butted air outlet pipe and the connecting plug are slidably connected through this chute, And the connection plug communicates with the terminal plug through the butt outlet pipe.

Compared with prior art, the beneficial effect of the present invention is:

Through the set docking mechanism, the connection of the oxygen meter can be adapted according to the terminal plugs of different specifications, and there is no need to equip different terminal plugs for conversion before connecting the oxygen meter for measurement, which improves the convenience in the connection process between the terminal plug and the oxygen meter It can fill the gap between the docking outlet pipe and the docking inlet pipe, prevent the deviation of the detection results caused by gas leakage during the detection process, and facilitate the installation and disassembly of the oxygen meter and the terminal plug, which is convenient for the installation and installation of the detection personnel. Replacement saves manpower and has good use effect.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the schematic diagram of the structure after the connection between the terminal plug and the oxygen meter in the present invention;

Fig. 3 is a schematic structural view of the connecting assembly and the sealing assembly in the present invention;

Fig. 4 is a structural schematic diagram of the connection assembly and the sealing assembly in the present invention after docking;

Fig. 5 is a structural schematic view of the expansion of the connecting assembly in the present invention;

Fig. 6 is a schematic structural view of the connection assembly in the present invention;

Fig. 7 is a cross-sectional view of the expansion of the middle branch connection assembly of the present invention;

Fig. 8 is a partial cross-sectional view of the connection assembly in the present invention;

Fig. 9 is a schematic diagram of a partial structure of a connection assembly in the present invention;

Fig. 10 is a partial exploded schematic view of the connection assembly in the present invention;

Fig. 11 is the structural representation of spring B among the present invention;

Figure 12 is a partial cross-sectional view of the connection assembly and the sealing assembly in the present invention;

Figure 13 is a partial cross-sectional view of the sealing assembly of the present invention;

Fig. 14 is a schematic diagram of partial explosion of the sealing assembly in the present invention.

In the picture:

1. Oxygen tank; 11. Terminal plug; 2. Oxygen meter;

3. Docking mechanism;

31. Connecting assembly; 311. Connecting plug; 312. Expansion brace; 313. Butt outlet pipe; 314. Hinged seat; 315. Push-pull connecting rod; 3151. Hinged rod; 316. Expansion connecting rod; , avoidance groove; 317, positioning slide bar; 3171, positioning chute; 318, connecting seat;

32. Seal assembly; 321. Docking card cover; 322. Docking intake pipe; 323. Sealing ring; 324. Spring A; 325. Storage groove;

33, reset assembly; 331, strong magnetic suction seat A; 332, strong magnetic suction seat B; 333, accommodation groove; 334, spring B; 335, locking bolt.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

A medical oxygen concentration detection device includes an oxygen tank 1, a terminal plug 11 fixed on the top of the oxygen tank 1, and an oxygen meter 2 arranged at the output end of the terminal plug 11.

In this embodiment: when measuring the oxygen concentration, it is necessary to connect the oxygen measuring meter to the terminal of the oxygen supply system of the medical center for measurement. At present, the terminal styles of the central oxygen supply system used in hospitals are different, and it is impossible to adapt to different terminals. The connection of the oxygen meter leads to the need to be equipped with different plugs for conversion during the detection and then connect the oxygen meter for measurement, which causes many difficulties in the connection and brings great inconvenience to the testing personnel. In order to solve this technical problem , joined the docking mechanism 3 on this application document.

As shown in Figure 1-Figure 14:

In combination with the above content, in order to adapt the connection of the oxygen measuring meter 2 according to the terminal plug 11 of different specifications, and improve the convenience in the connection process between the terminal plug 11 and the oxygen measuring meter 2, it also includes installing between the terminal plug 11 and the oxygen measuring meter 2 The docking mechanism 3 between them, the docking mechanism 3 includes a connecting assembly 31, a sealing assembly 32 and a reset assembly 33, the connecting assembly 31 is installed on the output end of the terminal plug 11, and the sealing assembly 32 is installed on the end of the oxygen meter 2 close to the terminal plug 11, A reset assembly 33 is installed inside the connection assembly 31 .

In this embodiment: through the connection assembly 31 provided, the connection of the oxygen measuring meter 2 can be adapted according to the terminal plug 11 of different specifications, and there is no need to be equipped with different terminal plugs 11 for conversion and then connected to the oxygen measuring meter 2 for measurement, improving the terminal The plug 11 is convenient and easy to use during the connection process of the oxygen meter 2. The sealing assembly 32 can fill the gap between the docking outlet pipe 313 and the docking inlet pipe 322, improve the sealing effect, and prevent gas leakage during the detection process. This leads to deviations in the detection results, thereby improving the accuracy of the detection. Through the set reset component 33, the separation and disassembly between the connecting plug 311 and the docking card cover 321 can be realized quickly and conveniently, which is convenient for the oxygen meter 2 and the terminal plug. Installation and disassembly between 11, greatly saves the time of installation and disassembly, facilitates the installation and replacement of inspection personnel, saves manpower, and has a good use effect.

To take it a step further:

In combination with the above, in order to adapt the connection of the oxygen meter 2 according to the terminal plugs 11 of different specifications, a connection assembly 31 is also included. Connecting rod 315, expanding connecting rod 316, positioning sliding rod 317 and connecting seat 318, the end of terminal plug 11 away from oxygen tank 1 is fixed with connecting plug 311, and the inside of connecting plug 311 is provided with several groups of expanding braces 312 in a circular array, The inside of the connection plug 311 is provided with a docking outlet pipe 313, and the surface of the docking outlet pipe 313 is fixed on the side close to the multiple sets of expansion braces 312, and several sets of hinge seats 314 are fixed inside. The two sides of the connecting rod 315 and the push-pull connecting rod 315 are symmetrically provided with expansion connecting rods 316 , one end of the expanding connecting rods 316 is fixed with a positioning slide bar 317 , and the side of the expansion brace 312 close to the hinge seat 314 is fixed with a connecting seat 318 .

In this embodiment: when the medical oxygen concentration detection device is in use, first align the docking card cover 321 fixed on one side of the oxygen measuring meter 2 with the connecting plug 311, and then push the oxygen measuring meter 2 to drive the docking card cover 321 toward the connecting plug 311. When the plug 311 approaches, as the docking card cover 321 moves, it can drive the docking inlet pipe 322 to approach the docking inlet pipe 322. Continue to move, it can drive the docking air inlet pipe 322 to cover the surface of the docking air outlet pipe 313, and push the docking air outlet pipe 313 to move towards the side of the terminal plug 11, and the movement of the docking air outlet pipe 313 can drive the hinge seat 314 to synchronize Move, and then drive the push-pull link 315 to move, with the movement of the push-pull link 315, it can drive the expansion link 316 to perform circular motion, and then drive the positioning slide bar 317 to slide inside the connecting seat 318, thereby pushing the connecting seat 318 protrudes from the inside of the connecting plug 311, and the movement of the connecting seat 318 can move synchronously with the expansion brace 312, and expand outward from the inside of the connection plug 311 until the surface of the expansion brace 312 and the docking card cover 321 The inner wall of the connecting plug 311 and the docking card cover 321 can be connected closely, and the connection between the terminal plug 11 and the oxygen measuring meter 2 can be quickly realized, and the oxygen measuring meter can be adapted according to the terminal plug 11 of different specifications. The connection of the meter 2 does not need to be equipped with different terminal plugs 11 for conversion and then connected to the oxygen measuring meter 2 for measurement, which improves the convenience in the connection process between the terminal plug 11 and the oxygen measuring meter 2 and is easy to use.

In an optional embodiment: the end of the expansion connecting rod 316 away from the positioning slide bar 317 is hinged with a fixed rod 3161, and the end of the fixed rod 3161 away from the expansion connecting rod 316 is fixedly connected to the inner wall of the connecting plug 311, and the inside of the connecting seat 318 is close to One side of the fixed rod 3161 is provided with an avoidance groove 3162 compatible with the fixed rod 3161, and the side of the connecting plug 311 close to the expansion brace 312 is provided with a relief groove. Composed of a tube body, the side of the connecting seat 318 close to the two sets of positioning slide bars 317 is provided with a positioning slide slot 3171 that is compatible with the positioning slide bar 317, and the positioning slide bar 317 and the connecting seat 318 are slidably connected through the positioning slide slot 3171 The end of the push-pull connecting rod 315 away from the hinge seat 314 is hinged with a hinge rod 3151 , and the two ends of the hinge rod 3151 are respectively fixedly connected with two sets of expansion rods 316 .

In this embodiment: with the movement of the push-pull connecting rod 315, under the cooperation of the hinged rod 3151, the expansion connecting rod 316 can be driven to move in a circle with the fixed rod 3161 as the center and its own length as the radius, so as to drive the positioning slide rod 317 Slide in the positioning slide groove 3171 provided inside the connecting seat 318, thereby pushing the connecting seat 318 to protrude from the inside of the connecting plug 311, and through the cooperation of the escape groove 3162, the connecting seat 318 can be accommodated inside the connecting plug 311 , the position of the fixed rod 3161 is avoided to prevent the connecting seat 318 from hindering the fixed rod 3161, and the surface of the butt joint outlet pipe 313 is also provided with an avoidance rod groove that is compatible with the push-pull connecting rod 315, thereby ensuring that the push-pull connecting rod 315 is The movement between the hinged seat 314 and the expansion link 316 is carried out smoothly.

To take it a step further:

In combination with the above, in order to prevent deviations in the detection results caused by gas leakage during the detection process, a sealing assembly 32 is also included. The sealing assembly 32 includes a docking card cover 321, a docking intake pipe 322, a sealing ring 323 and a spring A324. The oxygen meter 2 is close to the connection One end of the plug 311 is fixed with a docking card cover 321 in a hollow structure, and the inside of the docking card cover 321 is fixed with a docking intake pipe 322, and the inside of the docking intake pipe 322 is provided with a sealing ring 323, and the sealing ring 323 is away from the side of the connecting plug 311 Several groups of springs A324 in a circular array are fixed, and a storage groove 325 matching the spring A324 is provided on the side of the docking intake pipe 322 close to the spring A324. The card cover 321 and the oxygen meter 2 are connected through the docking inlet pipe 322, and the end of the docking inlet pipe 322 close to the docking outlet pipe 313 is provided with a docking groove that matches the docking outlet pipe 313, and the sealing ring 323 is arranged for docking here in the slot.

In this embodiment: through the movement of the docking inlet pipe 322, when the docking outlet pipe 313 is inserted into the docking groove provided inside the docking inlet pipe 322, it will first contact the sealing ring 323, and squeeze the sealing ring 323 to push the spring A324 to generate The spring A324 is deformed and elastic force is generated, and then the spring A324 is squeezed and stored into the storage groove 325. When the spring A324 is completely stored in the storage groove 325, the sealing ring 323 is just clamped between the docked air outlet pipe 313 and the docked air intake pipe 322. The sealing ring 323 is extruded and deformed by the extrusion force between the butt outlet pipe 313 and the butt inlet pipe 322, thereby filling the gap between the butt outlet pipe 313 and the butt inlet pipe 322, improving the sealing effect and preventing the detection process. Gas leakage in the medium causes deviations in the detection results, thereby improving the accuracy of detection. When the butt joint inlet pipe 322 and the butt joint outlet pipe 313 are separated, with the cooperation of the spring A324, the seal ring 323 can be pushed back to the original position to prevent The sealing ring 323 has been under pressure for too long, causing it to be attached to the inside of the docking inlet pipe 322 so that it cannot be restored to its original shape, so that when the docking inlet pipe 322 and the docking outlet pipe 313 are separated, the sealing ring 323 can be restored to its original shape immediately , to avoid affecting the next use.

To take it a step further:

In combination with the above, in order to facilitate the installation and disassembly between the oxygen meter 2 and the terminal plug 11, a reset assembly 33 is also included. The reset assembly 33 includes a strong magnetic suction seat A331, a strong magnetic suction seat B332, a spring B334 and locking bolts 335, the end of the connecting plug 311 close to the terminal plug 11 is provided with a strong magnetic suction seat B332 in a ring structure, and the strong magnetic suction seat B332 is slidably connected to the surface of the connecting plug 311, and the surface of the docking card cover 321 is close to the strong magnetic suction One end of the seat B332 is fixed with a strong magnetic suction seat A331 in a ring structure, a spring B334 is wound on the surface of the thinner end of the docked air outlet pipe 313, and a spring B334 is provided inside the thicker end of the docked air outlet pipe 313. The accommodating groove 333, the internal thread of the strong magnetic suction seat B332 is connected with a locking bolt 335, and one end of the locking bolt 335 is in contact with the surface of the connecting plug 311, and the connecting plug 311 is provided with a hole that matches the docking outlet pipe 313. The chute, the docking outlet pipe 313 and the connection plug 311 are slidably connected through the chute, and the connection plug 311 and the terminal plug 11 are connected through the docking outlet pipe 313 .

In this embodiment: with the movement of the docking card cover 321, it can drive the strong magnetic suction seat A331 to move synchronously and move towards one end of the strong magnetic suction seat B332. When the strong magnetic suction seat A331 and the strong magnetic suction seat B332 are attracted to each other Through the movement of the docking card cover 321 and the strong magnetic seat A331, the strong magnetic seat B332 can be pushed to slide on the surface of the connecting plug 311, and through the movement of the docking outlet pipe 313, with the cooperation of the receiving groove 333, it can squeeze The pressure spring B334 is deformed and produces elastic force. After the connection between the connecting plug 311 and the docking card cover 321 is completed, the locking bolt 335 can be screwed to securely lock the strong magnetic suction seat B332 on the The surface of the connection plug 311, because the magnetic adsorption force between the strong magnetic suction seat A331 and the strong magnetic suction seat B332 is much greater than the elastic force generated after the spring B334 is compressed, so through the cooperation of the strong magnetic suction seat A331 and the strong magnetic suction seat B332 , the docking card cover 321 can be fixed on the surface of the connecting plug 311, thereby improving the firmness of the docking between the connecting plug 311 and the docking card cover 321, when it is necessary to disassemble the docking card cover 321 and the connecting plug 311, through Reversely turn the locking bolt 335 to release the lock between the strong magnetic suction seat B332 and the connecting plug 311, and then through the rebound force of the spring B334, the docking outlet pipe 313 can be pushed to move in the reverse direction inside the connecting plug 311 , that is, multiple sets of expansion braces 312 can be retracted into the inside of the connecting plug 311, and with the movement of the docking outlet pipe 313, the docking inlet pipe 322 can be pushed to drive the docking card cover 321 to move on the surface of the connecting plug 311, which can quickly Conveniently realize the separation and disassembly between the connecting plug 311 and the docking card cover 321, facilitate the installation and disassembly of the oxygen meter 2 and the terminal plug 11, greatly save the time for installation and disassembly, and facilitate the installation and disassembly of the testing personnel. Replacement saves manpower and has good use effect.

The working principle and application process of the present invention: when the medical oxygen concentration detection device is in use, first align the docking card cover 321 fixed on one side of the oxygen measuring meter 2 with the connecting plug 311, and then push the oxygen measuring meter 2 to drive the docking card cover 321 approaches the connecting plug 311, and as the docking card cover 321 moves, it can drive the docking inlet pipe 322 to approach the docking inlet pipe 322. When the docking inlet pipe 322 contacts the docking outlet pipe 313, with the docking The continued movement of the card cover 321 can drive the docked air intake pipe 322 to cover the surface of the docked air outlet pipe 313, and push the docked air outlet pipe 313 to move toward the side of the terminal plug 11. Through the movement of the docked air outlet pipe 313, it can drive The hinged seat 314 moves synchronously, and then drives the push-pull connecting rod 315 to move. With the movement of the push-pull connecting rod 315, with the cooperation of the hinged rod 3151, the expansion connecting rod 316 can be driven to take the fixed rod 3161 as the center of circle and its own length as the radius. Circular movement can drive the positioning slide bar 317 to slide in the positioning chute 3171 provided inside the connecting seat 318, thereby pushing the connecting seat 318 to protrude from the inside of the connecting plug 311, and then the movement of the connecting seat 318 can bring expansion The support plate 312 moves synchronously, and expands outward from the inside of the connecting plug 311 until the surface of the expanding support plate 312 is in close contact with the inner wall of the docking card cover 321, and the docking between the connecting plug 311 and the docking card cover 321 can be completed , realize quick connection between the terminal plug 11 and the oxygen meter 2, can adapt to the connection of the oxygen meter 2 according to the terminal plug 11 of different specifications, no need to be equipped with different terminal plugs 11 for conversion and then connect the oxygen meter 2 Carry out measurement, improve the convenience in the connection process of terminal plug 11 and oxygen meter 2, easy to use, during this period, along with the movement of docking inlet pipe 322, when docking outlet pipe 313 is inserted into the docking groove provided inside docking inlet pipe 322 After being inserted, it will first contact with the sealing ring 323, and squeeze the sealing ring 323 to push the spring A324 to deform and generate elastic force, and then squeeze the spring A324 into the interior of the storage groove 325. When the spring A324 is completely stored into the storage groove 325 At this time, the sealing ring 323 is just clamped between the docking outlet pipe 313 and the docking inlet pipe 322, and the sealing ring 323 is extruded and deformed by the extrusion force between the docking outlet pipe 313 and the docking inlet pipe 322, thereby Fill the gap between the docking outlet pipe 313 and the docking inlet pipe 322, improve the sealing effect, prevent the deviation of the detection result caused by gas leakage during the detection process, thereby improving the accuracy of the detection. During this period, with the docking card cover 321 The movement can drive the strong magnetic base A331 to move synchronously and move towards the end of the strong magnetic base B332. When the strong magnetic base A331 and the strong magnetic base B332 are attracted to each other, the docking card cover 321 and the strong magnetic base A331 The movement of the strong magnetic suction seat B332 can be pushed to slide on the surface of the connecting plug 311, and through the movement of the docking outlet pipe 313, with the cooperation of the receiving groove 333, the spring B334 can be squeezed to deform and generate elastic force. When the connection is completed After the docking between the plug 311 and the docking card cover 321, by turning the locking bolt 335, the strong magnetic suction seat B332 can be firmly locked on the surface of the connecting plug 311 through the locking bolt 335, because the strong magnetic suction seat A331 The magnetic adsorption force between the magnetic suction seat B332 and the strong magnetic suction seat B332 is much greater than the elastic force generated by the compressed spring B334, so the docking card cover 321 can be fixed on the connecting plug through the cooperation of the strong magnetic suction seat A331 and the strong magnetic suction seat B332 311, so as to improve the firmness of the butt joint between the connecting plug 311 and the docking card cover 321. When it is necessary to disassemble the docking card cover 321 and the connecting plug 311, the locking bolt 335 can be turned in the opposite direction to release it. The locking between the strong magnetic suction seat B332 and the connecting plug 311, and then through the rebound force of the spring B334, can push the docking outlet pipe 313 to move in the opposite direction inside the connecting plug 311, so that multiple sets of expansion braces 312 can be retracted and connected. The inside of the plug 311, and with the movement of the docking outlet pipe 313, the docking inlet pipe 322 can be pushed to drive the docking card cover 321 to move on the surface of the connecting plug 311, so that the connection between the connecting plug 311 and the docking card cover 321 can be quickly and conveniently realized. The separation and disassembly between the oxygen meter 2 and the terminal plug 11 are convenient for installation and disassembly, which greatly saves the time of installation and disassembly, facilitates the installation and replacement of the testing personnel, saves manpower, and has a good use effect.

Finally, it should be noted that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still understand The technical solutions recorded in the foregoing embodiments are modified, or some of the technical features are equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a medical oxygen concentration detection device, includes oxygen jar (1) and fixes terminal plug (11) at oxygen jar (1) top and set up survey oxygen table (2) of terminal plug (11) output, its characterized in that: the device also comprises a docking mechanism (3) arranged between the terminal plug (11) and the oxygen meter (2);

the docking mechanism (3) comprises a connecting component (31), a sealing component (32) and a resetting component (33), wherein the connecting component (31) is installed at the output end of the terminal plug (11), the sealing component (32) is installed at one end, close to the terminal plug (11), of the oxygen meter (2), and the resetting component (33) is installed in the connecting component (31).

2. The medical oxygen concentration detection apparatus according to claim 1, wherein: coupling assembling (31) are including connecting plug (311), expansion fagging (312), butt joint outlet duct (313), articulated seat (314), push-and-pull connecting rod (315), expansion connecting rod (316), location slide bar (317) and connecting seat (318), terminal plug (11) are kept away from the one end of oxygen jar (1) is fixed with connecting plug (311), the inside of connecting plug (311) is annular array and is provided with a plurality of groups expansion fagging (312), the inside of connecting plug (311) is provided with butt joint outlet duct (313), the surface of butt joint outlet duct (313) is close to the multiunit one side of expansion fagging (312) all is fixed with a plurality of groups articulated seat (314), the inside articulated of articulated seat (314) has be L type structure push-and-pull connecting rod (315), the bilateral symmetry of push-and-pull connecting rod (315) is provided with expansion connecting rod (316), the one end of expansion connecting rod (316) is fixed with location slide bar (317), expansion fagging (312) is close to one side of articulated seat (314) is fixed with connecting seat (318).

3. The medical oxygen concentration detection apparatus according to claim 2, wherein: the one end that expansion connecting rod (316) kept away from location slide bar (317) articulates there is dead lever (3161), dead lever (3161) keep away from the one end of expansion connecting rod (316) with the inner wall fixed connection of connecting plug (311), connecting seat (318) are inside be close to one side of dead lever (3161) seted up with dodge groove (3162) of dead lever (3161) looks adaptation.

4. The medical oxygen concentration detection apparatus according to claim 3, wherein: and a yielding groove is formed in one side, close to the expansion supporting plate (312), of the inner part of the connecting plug (311), and the butt joint air outlet pipe (313) consists of two pipe bodies with different pipe diameters.

5. The medical oxygen concentration detection apparatus according to claim 4, wherein: one side, close to two groups of positioning slide bars (317), inside the connecting seat (318) is provided with a positioning slide groove (3171) matched with the positioning slide bars (317), and the positioning slide bars (317) are in sliding connection with the connecting seat (318) through the positioning slide grooves (3171).

6. The medical oxygen concentration detection apparatus according to claim 5, wherein: one end of the push-pull connecting rod (315) far away from the hinging seat (314) is hinged with a hinging rod (3151), and two ends of the hinging rod (3151) are fixedly connected with two groups of expansion connecting rods (316) respectively.

7. The medical oxygen concentration detection apparatus according to claim 6, wherein: seal assembly (32) are including butt joint card cover (321), butt joint intake pipe (322), sealing ring (323) and spring A (324), survey oxygen table (2) be close to the one end of connecting plug (311) is fixed with butt joint card cover (321) that is hollow structure, the inside of butt joint card cover (321) is fixed with butt joint intake pipe (322), the inside of butt joint intake pipe (322) is provided with sealing ring (323), sealing ring (323) keep away from one side of connecting plug (311) is fixed with a plurality of groups and is annular array spring A (324), inside being close to of butt joint intake pipe (322) spring A (324) one side offered with accomodate groove (325) of spring A (324) looks adaptation, spring A (324) are through accomodate groove (325) with butt joint intake pipe (322) fixed connection.

8. The medical oxygen concentration detection apparatus according to claim 7, wherein: the butt joint card cover (321) and the oxygen meter (2) are communicated through the butt joint air inlet pipe (322), a butt joint groove matched with the butt joint air outlet pipe (313) is formed in one end, close to the butt joint air outlet pipe (313), of the butt joint air inlet pipe (322), and the sealing ring (323) is arranged in the butt joint groove.

9. The medical oxygen concentration detection apparatus according to claim 8, wherein: reset subassembly (33) are including strong magnetism inhale seat A (331), strong magnetism inhale seat B (332), spring B (334) and locking bolt (335), connecting plug (311) surface is close to the one end cover of terminal plug (11) is equipped with and is the ring structure strong magnetism inhale seat B (332), just strong magnetism inhale seat B (332) sliding connection be in the surface of connecting plug (311), butt joint card cover (321) surface is close to strong magnetism is inhaled the one end of seat B (332) and is fixed with strong magnetism and inhale seat A (331) that is the ring structure, the slender one end surface of butt joint outlet duct (313) is around being equipped with spring B (334), the inside set up of thick one end of butt joint outlet duct (313) with holding tank (333) of spring B (334) looks adaptation, the internal thread connection of strong magnetism inhale seat B (332) has locking bolt (335), just the one end of locking bolt (335) with the surface looks butt of connecting plug (311).

10. The medical oxygen concentration detection apparatus according to claim 9, wherein: the inside spout that has seted up of connecting plug (311) with butt joint outlet duct (313) looks adaptation, butt joint outlet duct (313) with connecting plug (311) are through this spout sliding connection, just connecting plug (311) with terminal plug (11) are linked together through butt joint outlet duct (313).