Automatic switching medical gas busbar

Abstract

The utility model relates to the technical field of gas bus-bars, and discloses an automatic switching medical gas bus-bar which comprises an automatic switcher, a main gas pipe is arranged at the upper end of the automatic switcher, and a control valve is arranged outside the main gas pipe; the air pipe branches are arranged at the two ends of the exterior of the automatic switcher; the automatic valve is arranged at the upper end of the air pipe branch; the metal air guide hose is arranged at the output end of the automatic valve, and a connector is arranged at the output end of the metal air guide hose; the first protective cover is arranged on one side of the exterior of the metal air guide hose, and a second protective cover is arranged on the other side of the exterior of the metal air guide hose; and the safety relief valve is arranged at the upper end of the first protective cover, and a barometer and a buzzer alarm are further arranged at the upper end of the first protective cover. The protective cover matched with the barometer is arranged outside the connecting part of the connector and the gas tank, so that the change of air pressure is monitored to judge whether air leakage occurs, and meanwhile, the safety relief valve prevents accidents caused by overhigh air pressure.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas busbar technical field, concretely is a kind of automatic switching medical gas busbar. BACKGROUND

[0002] Automatic switching medical gas busbar is a kind of equipment for medical gas supply, mainly used in central gas supply system, to ensure the continuous supply of medical gas.This equipment usually includes two or more groups of gas supply source, when a group of gas supply source is exhausted, the system can automatically switch to another group of gas supply source, to ensure the continuity of gas supply.

[0003] Gas busbar and gas tank connection part are connected by hose, the end of hose and the output end of gas tank are connected with each other using threaded end head, if threaded end head is not tightened, since the valve closed at the gas busbar in the gas tank part, cannot detect the gas leakage problem in time, to cause security risk.Therefore, an automatic switching medical gas busbar is provided. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides an automatic switching medical gas busbar to solve the problems in the background art.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: an automatic switching medical gas busbar, comprising:

[0008] Automatic switch, the upper end of the automatic switch is provided with main gas pipe, the outside of the main gas pipe is provided with control valve;

[0009] Gas pipe branch, is arranged at the outside of automatic switch two ends;

[0010] Automatic valve, is arranged at the upper end of gas pipe branch;

[0011] Metal gas guide hose, is arranged at the output end of automatic valve, the output end of the metal gas guide hose is provided with connector;

[0012] First protective cover, is arranged at the outside one side of metal gas guide hose, the outside other side of the metal gas guide hose is provided with second protective cover, and first protective cover and second protective cover are rotatably connected;

[0013] Safety pressure relief valve, is arranged at the upper end of first protective cover, the upper end of the first protective cover is also provided with barometer and buzzer alarm;

[0014] The first fixed block is provided with a magnet on one side of the outer portion of the first fixed block.

[0015] The second fixed block is provided with an iron strip on one side of the outer portion of the second fixed block.

[0016] Preferably, the magnet is connected with the first fixed block, the iron strip is connected with the second fixed block, and the inner portion of the first fixed block is provided with a sealing strip close to one side of the second fixed block, so that the sealing property of the first fixed block and the second fixed block is improved when the first fixed block and the second fixed block are closed.

[0017] Preferably, the first inner groove is arranged on the inner portion of the upper end of the first fixed block and is integrally formed with the first fixed block.

[0018] Preferably, the inner strip is arranged in the first inner groove and is rotatably connected with the first fixed block, one end of the outer portion of the inner strip is provided with a threaded stud, and the threaded stud is connected with the inner strip.

[0019] Preferably, the outer portion of the threaded stud is provided with a limiting nut, the limiting nut is connected with the threaded stud through thread cooperation, and the limiting nut is used for extruding the second fixed block after being screwed.

[0020] Preferably, the second inner groove is arranged on the inner portion of the upper end of the second fixed block and is integrally formed with the second fixed block, and the second inner groove is used for clamping the inner strip.

[0021] (Three) beneficial effects

[0022] Compared with the prior art, the utility model provides a kind of automatic switching medical gas busbar, with following beneficial effects:

[0023] The utility model discloses a protective cover structure is set to the top of joint and gas tank is wrapped, when the connecting part of gas tank and joint leaks, barometer carries out real-time monitoring to gas pressure and carries out buzzing alarm prompt through buzzer, when gas pressure continues to rise, pressure is released through safety pressure relief valve, prevents accident from happening, and the problems in the background art are solved. ACCURACY OF DRAWINGS

[0024] Figure 1 It is the overall structure perspective drawing of the utility model;

[0025] Figure 2 It is the protective cover structure perspective drawing of the utility model;

[0026] Figure 3 It is the first fixed block and second fixed block sectional view of the utility model.

[0027] In the figure: 1, automatic switcher; 2, main gas pipe; 3, control valve; 4, gas pipe branch; 5, automatic valve; 6, metal gas guide hose; 7, joint; 8, first protective cover; 9, sealing strip; 10, second protective cover; 11, safety pressure relief valve; 12, air pressure gauge; 13, buzzer alarm; 14, first fixed block; 15, second fixed block; 16, magnet; 17, iron bar; 18, first inner groove; 19, inner strip; 20, second inner groove; 21, stud; 22, limiting nut. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] The utility model provides a technical scheme, a kind of automatic switching medical gas bus, please refer to Figure 1 、 Figure 2 And Figure 3 , comprising:

[0030] Automatic switcher 1, the upper end of automatic switcher 1 is provided with main gas pipe 2, and the outside of main gas pipe 2 is provided with control valve 3;

[0031] Gas pipe branch 4, is arranged at the outside of automatic switcher 1 two ends;

[0032] Automatic valve 5, is arranged at the upper end of gas pipe branch 4;

[0033] Metal gas guide hose 6, is arranged at the output end of automatic valve 5, and the output end of metal gas guide hose 6 is provided with joint 7;

[0034] First protective cover 8, is arranged at the outside one side of metal gas guide hose 6, and the outside other side of metal gas guide hose 6 is provided with second protective cover 10, and first protective cover 8 is rotationally connected with second protective cover 10;

[0035] Safety pressure relief valve 11, is arranged at the upper end of first protective cover 8, and the upper end of first protective cover 8 is also provided with air pressure gauge 12 and buzzer alarm 13;

[0036] First fixed block 14, is arranged at the front end of second protective cover 10, and the outside one side of first fixed block 14 is provided with magnet 16;

[0037] Second fixed block 15, is arranged at the front end of first protective cover 8, and the outside one side of second fixed block 15 is provided with iron bar 17.

[0038] Please refer to Figure 2 and Figure 3 The magnet 16 is connected with the first fixed block 14, the iron bar 17 is connected with the second fixed block 15, the inner side of the first protective cover 8 close to the second protective cover 10 is provided with the sealing strip 9, and the sealing strip 9 is used for improving the sealing performance when the first protective cover 8 and the second protective cover 10 are closed.

[0039] Please refer to Figure 2 and Figure 3 The inner upper end of the first fixed block 14 is provided with the first inner groove 18, and the first inner groove 18 is integrally formed with the first fixed block 14.

[0040] Please refer to Figure 2 and Figure 3 The inner side of the first inner groove 18 is provided with the inner strip 19, and the inner strip 19 is rotatably connected with the first fixed block 14. The outer end of the inner strip 19 is provided with the threaded stud 21, and the threaded stud 21 is connected with the inner strip 19.

[0041] Please refer to Figure 2 and Figure 3 The outer side of the threaded stud 21 is provided with the limiting nut 22, and the limiting nut 22 is connected with the threaded stud 21 through thread cooperation. The limiting nut 22 is used for extruding the second fixed block 15 after being screwed.

[0042] Please refer to Figure 2 and Figure 3 The inner upper end of the second fixed block 15 is provided with the second inner groove 20, and the second inner groove 20 is integrally formed with the second fixed block 15. The second inner groove 20 is used for clamping the inner strip 19.

[0043] The scheme: the interface of the gas tank is connected with the connector 7, and then the second protective cover 10 is closed. At this time, the first fixed block 14 and the second fixed block 15 are closed, the magnet 16 is attracted to the iron bar 17 through magnetic force, so that the first fixed block 14 and the second fixed block 15 are attracted, the inner strip 19 is turned to clamp into the second inner groove 20, the limiting nut 22 is rotated to be close to the second fixed block 15, so as to be limited. In this way, the first protective cover 8 and the second protective cover 10 are tightly closed, the sealing strip 9 is extruded to realize sealing. When the connection part of the connector 7 and the gas tank is not tightened and gas leakage occurs, the air pressure gauge 12 detects that the air pressure rises, and the buzzer 13 emits a buzzing alarm sound to prompt. When the air pressure continues to rise, the safety pressure relief valve 11 releases pressure to prevent accidents.

[0044] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0045] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An automatic changeover medical gas header, comprising: The utility model relates to an automatic switching device for gas pipeline, which comprises the following parts: An automatic switching device (1) is provided with a main gas pipeline (2) at the upper end, and a control valve (3) is arranged outside the main gas pipeline (2); A gas pipeline branch (4) is arranged at both ends outside the automatic switching device (1); An automatic valve (5) is arranged at the upper end of the gas pipeline branch (4); A metal gas guide hose (6) is arranged at the output end of the automatic valve (5), and a joint (7) is arranged at the output end of the metal gas guide hose (6); A first protective cover (8) is arranged at one side outside the metal gas guide hose (6), a second protective cover (10) is arranged at the other side outside the metal gas guide hose (6), and the first protective cover (8) and the second protective cover (10) are rotationally connected; A safety pressure relief valve (11) is arranged at the upper end of the first protective cover (8), and a gas pressure gauge (12) and a buzzer alarm (13) are arranged at the upper end of the first protective cover (8); A first fixed block (14) is arranged at the front end of the second protective cover (10), and a magnet (16) is arranged at one side outside the first fixed block (14); A second fixed block (15) is arranged at the front end of the first protective cover (8), and an iron bar (17) is arranged at one side outside the second fixed block (15).

2. An automatic changeover medical gas header according to claim 1, wherein: The magnet (16) is connected with the first fixed block (14), the iron bar (17) is connected with the second fixed block (15), and a sealing strip (9) is arranged at the side close to the second protective cover (10) inside the first protective cover (8).

3. An automatic changeover medical gas header according to claim 1, wherein: A first inner groove (18) is arranged at the upper end inside the first fixed block (14), and the first inner groove (18) is integrally formed with the first fixed block (14).

4. An automatic transfer medical gas header according to claim 3, wherein: An inner strip (19) is arranged inside the first inner groove (18), and the inner strip (19) is rotationally connected with the first fixed block (14), one end outside the inner strip (19) is provided with a stud (21), and the stud (21) is connected with the inner strip (19).

5. An automatic transfer medical gas header according to claim 4, wherein: A limiting nut (22) is arranged outside the stud (21), and the limiting nut (22) is connected with the stud (21) through thread cooperation.

6. An automatic transfer medical gas header according to claim 5, wherein: A second inner groove (20) is arranged at the upper end inside the second fixed block (15), and the second inner groove (20) is integrally formed with the second fixed block (15).

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