Split type medical gas terminal

Abstract

The application relates to the technical field of medical equipment, and particularly provides a split-type medical gas terminal which comprises a front valve body and a rear valve body; the front valve body comprises a front end body, the outer side of the front end body is simultaneously provided with a steel needle seat and an open spring, the steel needle seat is provided with a steel needle; the inner wall of the front end body is provided with a pressing groove, and the steel needle is movably matched in the pressing groove; the rear valve body comprises a rear end body, one side of the lower end of the rear end body is provided with a metal pipe, and the output end of a gas supply equipment is connected to the metal pipe; the rear end body is simultaneously provided with a valve seat and a valve core spring, the upper end of the valve core spring is provided with a valve core, and the side end of the valve core movably abuts against the valve seat; the airflow channel of the application can correspond to the insertion state of the input end of the gas supply equipment, gas leakage can be avoided, and the use effect is improved; and the front valve body and the rear valve body of the application are separately assembled to form two main bodies which can be separated, parts are not easy to scatter during maintenance, and the whole body is good in integrity.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical equipment, in particular to a split type medical gas terminal. BACKGROUND

[0002] The medical gas terminal is a medical device used to obtain various gases (including oxygen, high-pressure air, negative pressure, etc.) from the central gas supply system pipeline, and is used as the terminal connector of the hospital gas supply system to provide various required gases such as oxygen, air, negative pressure, nitrogen, laughing gas, etc. for patients or instruments. It is a key node connecting the hospital central gas supply system and medical equipment (i.e. medical gas use equipment).

[0003] The disclosed Chinese patent, publication number CN215425769U, discloses a medical gas terminal, which comprises a fixing seat (1), a sealing valve (2) is installed at the upper end of the fixing seat (1), a gas pipe connecting nozzle (3) is fixedly installed on the outer side wall of the sealing valve (2), an adjusting valve (4) is installed at the upper end of the sealing valve (2), and a inhaler connector (5) is clamped in the adjusting valve (4). Through the use of the sealing valve, when maintenance and replacement are needed, a hexagonal wrench can be inserted into the hexagonal rotating hole and pressed downward, so that the threaded column is screwed into the threaded hole, and the air hole is blocked, thereby realizing maintenance and replacement without closing the air valve on the remote gas supply equipment. The use of the locking valve realizes the function of double clamping installation of the inhaler connecting nozzle, makes the installation more stable, and after use, the connecting sleeve is pulled down, the steel ball enters the embedding groove, the whole steel ball does not completely retract into the sleeve hole, so that the steel ball still has a partial clamping effect on the clamping ring. The force of this clamping effect can still support the overall weight of the fixed seat, the sealing valve, the gas pipe connecting nozzle and the locking valve after installation, so that after use, the connecting sleeve is pulled down, the steel ball limits the clamping ring, and the inhaler connecting nozzle cannot be directly pushed out by the air pressure.

[0004] The medical gas terminal of the above-mentioned patent has too many dispersed parts, which is not convenient for disassembly and maintenance, and the parts are easy to lose. SUMMARY

[0005] In view of the above-mentioned shortcomings of the prior art, the purpose of the present application is to provide a split type medical gas terminal to solve the problem that the medical gas terminal parts used in the prior art are too dispersed and the parts are easy to lose.

[0006] To achieve the above-mentioned purpose and other related purposes, the present application provides a split type medical gas terminal, which comprises a front valve body and a rear valve body.

[0007] The front valve body comprises a front end body, the outer side of the front end body is provided with a steel needle seat and an open spring in abutment, the steel needle seat is provided with a steel needle, the inner wall of the front end body is provided with a pressure groove inclined outward from top to bottom, and the steel needle is movably fitted in the pressure groove;

[0008] The upper end of the front end body is provided with an error-proof cover, the outer side upper end of the error-proof cover is provided with a button, the lower end is provided with a moving sleeve, the button is in abutment with the moving sleeve, and the moving sleeve is in pressure abutment with the steel needle seat.

[0009] The lower end of the front end body is internally provided with an inner ring.

[0010] The rear valve body comprises a rear end body, one side of the lower end of the rear end body is provided with a metal pipe, and the output end of the gas equipment is connected to the metal pipe.

[0011] The rear end body is simultaneously provided with a valve seat and a valve core spring, the upper end of the valve core spring is provided with a valve core, the upper end of the valve seat is provided with a limiting convex ring, the outer side of the valve core is provided with an outer ring, the valve core is in abutment with the limiting convex ring of the valve seat through the outer ring, and the upper end of the valve core is provided with an inner hexagonal hole.

[0012] The outer side of the rear end body is provided with a rear end rotating ring.

[0013] The rear end rotating ring and the rear end body are provided with a rotating ring fixing ring therebetween.

[0014] The front end screw is detachably connected between the front end body and the rear end rotating ring, so that the front valve body is detachably assembled relative to the rear valve body.

[0015] The medical gas terminal further comprises a mounting bracket, the rear end screw is connected to the mounting bracket, the mounting bracket is in the shape of a Chinese character, and the mounting bracket is detachably connected to the rear end body of the rear valve body through the rear end screw.

[0016] In an embodiment of the present application, the upper end of the valve core is in abutment with the inner ring after the front valve body is assembled relative to the rear valve body.

[0017] In an embodiment of the present application, the first sealing ring and the second sealing ring are arranged in the inner ring, the second sealing ring is used to form a seal between the valve core and the outer ring, and the first sealing ring is used to form a seal between the plug of the gas equipment and the inner ring.

[0018] In an embodiment of the present application, the side end of the rear end rotating ring is provided with a positioning hole, the side end of the rear end body is provided with a positioning groove in communication with the positioning hole, and the same stop screw is connected to the positioning hole and the positioning groove.

[0019] In an embodiment of the present application, the positioning groove is provided with a plurality of positioning grooves, and the plurality of positioning grooves are equidistantly arranged on the side end of the rear end body at the same horizontal height.

[0020] In an embodiment of the present application, the lower end of the front end body is provided with an annular groove, the upper end of the rear end rotating ring is provided with an annular protrusion, and the lower end of the front end body and the rear end rotating ring are engaged by the annular groove and the annular protrusion.

[0021] As described above, the split medical gas terminal of the present application has the following beneficial effects:

[0022] The front valve body and the rear valve body of the product are separately assembled to form two main bodies which can be separated, and the parts are not easy to scatter during maintenance; the front valve body is assembled based on the front end body, the steel needle seat, the open spring, the mistake prevention cover, the button, the moving sleeve and the inner ring, the assembled front valve body can extrude the steel needle to avoid in the pressure groove when the input end of the gas equipment is inserted, and the open spring is reset and drives the steel needle to reset and clamp the input end of the gas equipment through the steel needle seat after the input end of the gas equipment is connected, so that the input end cannot be freely pulled out; after use, the button is pressed to press the steel needle seat through the moving sleeve, and the steel needle is driven to avoid in the pressure groove, so that the input end of the gas equipment can be quickly pulled out, which is convenient to use; the rear valve body is assembled based on the rear end body, the valve seat, the valve core spring and the valve core, and the valve core is elastically supported and contacted with the inner ring by the valve core spring before the assembled rear valve body is inserted into the input end of the gas equipment, so that the airflow channel is in a closed state; the valve core and the inner ring have a gap after the valve core is extruded and the valve core spring is compressed by the input end of the gas equipment, so that the airflow channel is in an open state; the airflow channel of the product corresponds to the insertion state of the input end of the gas equipment, so that gas leakage is avoided; the present application has good practical use value. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The external structure of the split medical gas terminal disclosed by the present application is shown.

[0024] Figure 2 The exploded structure of the split medical gas terminal disclosed by the present application is shown.

[0025] Figure 3 The cross-sectional structure of the split medical gas terminal disclosed by the present application is shown.

[0026] Figure 4 The structure of the front end body and the rear end rotating ring of the split medical gas terminal disclosed by the present application is shown.

[0027] Figure 5 The enlarged structure of the valve seat and the valve core of the split medical gas terminal disclosed by the present application is shown.

[0028] Figure 6The figure shows the structure of the rear end body of the split medical gas terminal of the present disclosure cooperating with the valve core spring assembly.

[0029] Figure 7 The figure shows the positioning slot of the rear end body of Example 2 cooperating with the positioning hole of the rear end rotating ring.

[0030] Figure 8 The figure shows the positioning slot of the rear end body of Example 3 cooperating with the positioning hole of the rear end rotating ring.

[0031] Element number explanation

[0032] Front valve body 1; front end body 11; pressure groove 111; steel needle seat 12; open spring 13; steel needle 14; mistake-proof cover 15; button 16; moving sleeve 17; mistake-proof column 171; inner ring 18; rear valve body 2; rear end body 21; metal pipe 22; valve seat 23; limiting convex ring 231; valve core 24; outer ring 241; valve core spring 25; front end screw 26; rear end rotating ring 27; rotating ring fixing ring 28; mounting bracket 3; first sealing ring 4; second sealing ring 5; rear end screw 6; metal bushing 7. DETAILED DESCRIPTION

[0033] The following describes the embodiments of the present disclosure by specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the content disclosed in the specification.

[0034] Please refer to Figures 1 to 8 It should be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the specification are only used to cooperate with the content disclosed in the specification for those skilled in the art to understand and read, and are not used to limit the conditions that the present disclosure can be implemented, so they do not have technical significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present disclosure can produce and the purposes that the present disclosure can achieve, should still fall within the scope of the technical content disclosed by the present disclosure. At the same time, the terms such as "upper", "lower", "left", "right", "middle", and "one" used in the specification are only for the convenience of clear description, and are not used to limit the scope of the present disclosure, and the change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the scope of the present disclosure.

[0035] Example 1, please refer to Figures 1-6 The present embodiment provides a split medical gas terminal, which comprises a front valve body 1 and a rear valve body 2.

[0036] The front valve body 1 comprises: a front end body 11, the outer side of the front end body 11 is provided with a steel needle seat 12 and an open spring 13 in abutting fit, the steel needle seat 12 is provided with a steel needle 14; the inner wall of the front end body 11 is provided with a pressing groove 111 inclined outward from top to bottom, the steel needle 14 is movably fitted in the pressing groove 111; the input end of the gas equipment is inserted in the front end body 11; the gas equipment is a commonly used component in the prior art, the input end of the gas equipment has a protruding clamping part, and other structures are not described here; the open spring 13 is movably assembled outside the front end body 11; due to the open design of the open spring 13, positioning and adjustment are easier during installation, if the spring needs to be replaced, the open spring 13 can be more conveniently embedded and fixed, and the open spring 13 solves the problem that the two ends are large and the middle is small, the spring needs to be put in to form elastic force, and greatly reduces the complexity of assembly and application of the sealing valve 1. The upper end of the front end body 11 is provided with an error-proof cover 15, the outer side of the upper end of the error-proof cover 15 is provided with a button 16, the lower end is provided with a moving sleeve 17, the button 16 is in abutting connection with the moving sleeve 17, and the moving sleeve 17 is in pressing fit with the steel needle seat 12; for different gas plug-in positions, different buttons 16 need to be assembled to adapt to plug-in, the error-proof column 171 is arranged on the moving sleeve 17, and different gas buttons can be prevented from being wrongly assembled; the inner circle 18 is arranged in the lower end of the front end body 11; the rear valve body 2 comprises: a rear end body 21, one side of the lower end of the rear end body 21 is provided with a metal pipe 22, and the output end of the gas equipment is connected to the metal pipe 22; the rear end body 21 is simultaneously provided with a valve seat 23 and a valve core spring 25, the upper end of the valve core spring 25 is provided with a valve core 24, and the side end of the valve core 24 is movably abutting to the valve seat 23; the outer side of the rear end body 21 is provided with a rear end rotating ring 27, and the rear end rotating ring 27 is provided with a rotating ring fixing ring 28 between the rear end body 21; the front end screw 26 is detachably connected between the front end body 11 and the rear end rotating ring 27, so that the front valve body 1 is detachably assembled with the rear valve body 2, after the front valve body 1 is assembled with the rear valve body 2, the upper end of the valve core 24 abuts to the inner circle 18; the first sealing ring 4 and the second sealing ring 5 are arranged in the inner circle 18, the first sealing ring 4 is used for forming sealing between the valve core 24 and the outer circle 18, and the second sealing ring 5 is used for forming sealing between the plug of the gas equipment and the inner circle 18, so that the sealing effect of the product is improved. The upper end of the valve seat 23 is provided with a limiting convex ring 231, the outer side of the valve core 24 is provided with an outer ring 241, and the valve core 24 abuts to the limiting convex ring 231 of the valve seat 23 through the outer ring 241.

[0037] The upper end of the valve core 24 is provided with an internal hexagonal hole, the lower part of the valve core 24 can be inserted into the gas outlet hole of the rear end body 24 by screwing downward through the internal hexagonal hole, and then the gas outlet channel of the medical gas terminal is completely sealed, so that the maintenance function required by the actual use of the product is met.

[0038] The medical gas terminal further comprises a mounting bracket 3, a rear end screw 6 is threaded through the mounting bracket 3, and the mounting bracket 3 is detachably connected to the rear valve body 2 through the rear end screw 6; specifically, the front end screw 26 is threaded between the front and rear valve bodies in a top-down manner to form a connection, and the rear end screw 6 is threaded through the mounting bracket 3 in a bottom-up manner. The front end screw 26 and the rear end screw 6 are both provided with two, and the two front end screws 26 and the two rear end screws 6 are equidistant and spaced annularly.

[0039] The lower end of the front end body 11 is provided with an annular groove 112, and the upper end of the rear end rotating ring 27 is provided with an annular protrusion 272. The lower end of the front end body 11 and the upper end of the rear end rotating ring 27 are fitted through the annular groove 112 and the annular protrusion 272. The annular groove 112 and the annular protrusion 272 can increase the contact area of the front end body 11 and the rear end rotating ring 27, so that the front end body 11 and the rear end rotating ring 27 have a large contact force. A metal bushing 7 is embedded in the lower end of the front end body 11. The metal bushing 7 can prevent the front end body 11 from cracking when the screw is tightened. The metal bushing 7 can increase the friction with the rear end rotating ring 27. Because the metal-metal friction is larger, it can reduce the loosening phenomenon in actual application. After the front end body 11 and the rear end rotating ring 27 are connected together, a recessed and protruding structure is formed, which can form a good sealing effect. This sealing method has high sealing performance and carrying capacity, which can meet the needs of actual application.

[0040] The front valve body 1 is assembled on the basis of the front end body 11, the steel needle seat 12, the open spring 13, the mistake prevention cover 15, the button 16, and the inner ring 18 are assembled, the assembled front valve body 1 can extrude the steel needle 14 to avoid in the pressure groove 111 when the input end of the gas equipment is inserted, and the open spring 13 is compressed through the steel needle seat 12, after the input end of the gas equipment is connected, the open spring 13 is reset and the steel needle 14 is reset and clamped to the input end of the gas equipment, so that it cannot be freely pulled out; after use, the button 16 is pressed, the button 16 is pressed through the moving sleeve 17, the steel needle 14 is driven to avoid in the pressure groove 111, and the input end of the gas equipment can be quickly pulled out, which is convenient to use; the rear valve body 2 is assembled on the basis of the rear end body 21, the valve seat 23, the valve core spring 25, the valve core 24, and the rear end rotating ring 27 are assembled, the assembled rear valve body 2 is inserted into the input end of the gas equipment, the valve core 24 is elastically supported and contacted with the inner ring 18 by the valve core spring 25, and the airflow channel is in a closed state; after the input end of the gas equipment is inserted, the valve core 24 is extruded and the valve core spring 25 is compressed to fall, so that the valve core 24 and the inner ring 18 have a gap, and the airflow channel is in an open state; the airflow channel of the product corresponds to the insertion state of the input end of the gas equipment, and gas leakage is avoided.

[0041] Example 2, please refer to Figure 7 , based on the basis of example 1, the mounting bracket 3 is a few words, the side end of the few words mounting bracket 3 is provided with an opening; the mounting bracket 3 is sleeved outside the rear end body 21, the opening can conveniently bypass the metal pipe 22 for installation; the rear end screw 6 can detachably connect the mounting bracket 3 on the rear end rotating ring 27, before the mounting bracket 3 is assembled, the rear end rotating ring 27 can rotate relative to the front end body 11, the relative installation position of the front valve body 1 and the rear valve body 2 is adjusted, the installation and use of the product are convenient; after the mounting bracket 3 is assembled, the relative position of the front valve body 1 and the rear valve body 2 is fixed; the two sides of the opening bracket 43 are provided with supporting legs, and the supporting legs are provided with assembly holes; the mounting bracket 3 is convenient to disassemble and assemble, and can be installed in positive and negative directions to adapt to the actual installation demand.

[0042] Example 3, please refer to Figure 8, based on the basis of example 1, this embodiment designs the mounting bracket 3 as a character, the mounting bracket 3 is arranged at the lower end of the rear end body 21, the rear end screw 6 is detachably threaded on the rear end body 21, the mounting bracket 3 can assemble the product in the application environment, and meanwhile does not affect the rotation of the rear end rotating ring 27 relative to the front end body 11, so that the front valve body 1 can rotate relative to the rear valve body 2, and is suitable for medical tower use; Specifically, the medical tower is an indispensable gas supply medical equipment in the modern operating room of the hospital, mainly used for terminal switching of medical gases such as oxygen, suction, compressed air and nitrogen in the operating room. The design of single-arm medical tower takes into account the convenience of doctors and the use requirements of medical equipment, and its height is generally between 2-3 meters, which can meet the working requirements of doctors and adapt to the height requirements of medical equipment. In addition, the single-arm medical tower usually has a 360-degree rotation function, which allows doctors to easily adjust the position of the tower to facilitate the operation of medical equipment. This design not only improves work efficiency, but also better utilizes the space of the operating room. In actual use, the rotation of the medical tower is controlled within 360 degrees, which can ensure that doctors can flexibly adjust the position of the tower during use, thereby better serving the operation. This design conforms to the principle of ergonomics, which can reduce the inconvenience of doctors during work and improve the efficiency and safety of the operating room. At the same time, the rotation control of the tower also takes into account the installation and use requirements of medical equipment, ensuring that various medical equipment can be conveniently and safely installed on the tower, further improving the overall work efficiency of the operating room.

[0043] The side end of the rear end rotating ring 27 is provided with a positioning hole 271, and the side end of the rear end body 21 is provided with a positioning groove 211 penetrating the positioning hole 271, and the same stop screw (not shown in the drawing) is threaded in the positioning hole 271 and the positioning groove 211; in actual use, the stop screw is threaded in the positioning hole 271 and the positioning groove 211 at the same time, which is used for positioning and adjusting the rotation of the valve 3 relative to the sealing valve 1, thereby limiting the rotation of the front valve body 1 relative to the rear valve body 2, and adapting to actual application; the positioning groove 211 is provided with a plurality of positioning grooves 211, and the plurality of positioning grooves 211 are equally arranged on the side end of the rear end body 21 at the same horizontal height.

[0044] In the actual use, the input end of the gas equipment is inserted into the front end body 11, when the input end of the gas equipment is clamped on the steel needle 14 at the upper end, the input end of the gas equipment is connected with the product, but the airflow channel is not opened; when the input end of the gas equipment is clamped on the steel needle 14 at the lower end, the input end of the gas equipment is connected with the product and the airflow channel is opened, so that the design can adapt to the actual situation.

[0045] In summary, the airflow channel of the application can correspond to the insertion state of the input end of the gas equipment, avoid gas leakage, and improve the use effect; and the front and rear valve bodies of the application are separately assembled to form two separable main bodies, so that the parts are not easy to scatter during maintenance, the integrity is good, the product is flexible and convenient to install and use, and has good practical value. Therefore, the application effectively overcomes the shortcomings of the prior art and has high industrial utilization value.

[0046] The above embodiments only exemplarily illustrate the principles and effects of the application, and are not used to limit the application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the application should be covered by the claims of the application.

Claims

1. A split medical gas terminal, comprising a front valve body (1) and a rear valve body (2); characterized in that the front valve body (1) comprises a front end body (11), the outer side of the front end body (11) is provided with a steel needle seat (12) and an open spring (13) in abutment fitting, the steel needle seat (12) is provided with a steel needle (14); the inner wall of the front end body (11) is provided with a pressure groove (111) inclined outward from top to bottom, the steel needle (14) is movably fitted in the pressure groove (111); the upper end of the front end body (11) is provided with an error-proof cover (15), the outer side of the upper end of the error-proof cover (15) is provided with a button (16), the lower end is provided with a moving sleeve (17), the button (16) is in abutment connection with the moving sleeve (17), the moving sleeve (17) is in pressure contact with the steel needle seat (12); the inner side of the lower end of the front end body (11) is provided with an inner ring (18); the rear valve body (2) comprises a rear end body (21), one side of the lower end of the rear end body (21) is provided with a metal pipe (22), the output end of the gas supply equipment is connected to the metal pipe (22); the rear end body (21) is provided with a valve seat (23) and a valve core spring (25) at the same time, the upper end of the valve core spring (25) is provided with a valve core (24), the upper end of the valve seat (23) is provided with a limiting convex ring (231), the outer side of the valve core (24) is provided with an outer ring (241), the valve core (24) is in abutment with the limiting convex ring (231) of the valve seat (23) through the outer ring (241); the upper end of the valve core (24) is provided with an inner hexagonal hole; the outer side of the rear end body (21) is provided with a rear end rotating ring (27); the rotating ring fixing ring (28) is arranged between the rear end rotating ring (27) and the rear end body (21); the front end screw (26) is arranged between the front end body (11) and the rear end rotating ring (27), so that the front valve body (1) is detachably assembled relative to the rear valve body (2); the medical gas terminal further comprises a mounting bracket (3), the rear end screw (6) is arranged through the mounting bracket (3), the mounting bracket (3) is in the shape of a Chinese character, and the mounting bracket (3) is detachably connected to the rear end body (21) of the rear valve body (2) through the rear end screw (6); the lower end of the front end body (11) is provided with an annular groove (112), the upper end of the rear end rotating ring (27) is provided with an annular convex portion (272), and the lower end of the front end body (11) and the upper end of the rear end rotating ring (27) are embedded through the annular groove (112) and the annular convex portion (272); the lower end of the front end body (11) is embedded with a metal bushing (7).

2. The split medical gas terminal according to claim 1, characterized by: After the front valve body (1) is assembled relative to the rear valve body (2), the upper end of the valve core (24) abuts against the inner ring (18).

3. The split medical gas terminal according to claim 2, characterized by: the first sealing ring (4) and the second sealing ring (5) are arranged in the inner ring (18), the second sealing ring (5) is used to form a seal between the valve core (24) and the outer ring (18), and the first sealing ring (4) is used to form a seal between the plug of the gas equipment and the inner ring (18).

4. The split medical gas terminal of claim 1, wherein: The side end of the rear end rotating ring (27) is provided with a positioning hole (271), and the side end of the rear end body (21) is provided with a positioning groove (211) penetrating through the positioning hole (271), and the same stop screw is penetrated in the positioning hole (271) and the positioning groove (211).

5. The split medical gas terminal of claim 4, wherein: The positioning groove (211) is provided with a plurality of positioning grooves (211) which are equidistantly arranged on the side end of the rear end body (21) at the same horizontal height.

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