CN213839964U

CN213839964U - Medical gas terminal

Info

Publication number: CN213839964U
Application number: CN202022974831.2U
Authority: CN
Inventors: 万吉信; 卢少辉; 魏春江
Original assignee: Beijing Beiyang Kangyi Gas Equipment Installation Engineering Co Ltd
Current assignee: Beijing Beiyang Kangyi Gas Equipment Installation Engineering Co Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-07-30
Anticipated expiration: 2030-12-09

Abstract

The application relates to a medical gas terminal, which belongs to the technical field of gas terminals and comprises a base and a connecting sleeve, wherein the connecting sleeve is positioned above the base, is matched with the base and is detachably connected with the base; the bottom end of the inner hole of the maintenance valve is closed and extends downwards to form a conical part of the air passage of the closed base. The gas terminal maintenance can be realized, and normal gas supply of other gas terminals in a ward is not influenced.

Description

Medical gas terminal

Technical Field

The present application relates to the field of gas terminals, and more particularly, to a medical gas terminal.

Background

In the air supply system of the hospital, a centralized air supply mode that an air supply station is connected with air terminals arranged on medical belts of wards, operating rooms and rescue rooms or on indoor tower cranes, suspension bridges and suspension columns through medical gas pipelines is adopted, so that the air terminals are key parts in the air supply system of the medical center. At present, gas terminals used in hospitals generally do not have the function of gas-carrying maintenance, and when a certain gas terminal in a ward breaks down and needs maintenance, the whole ward or a main switch needs to be closed, so that the normal use of other gas terminals in the ward is influenced.

SUMMERY OF THE UTILITY MODEL

In order to realize the maintenance of taking gas at gas terminal, avoid causing the influence to other gas terminals in the sick room, this application provides a medical gas terminal.

The application provides a medical gas terminal adopts following technical scheme:

a medical gas terminal comprises a base and a connecting sleeve which is positioned above the base, matched with the base and detachably connected with the base, wherein the base is communicated with an air inlet pipe, the top surface of the base is provided with an installation cavity, the connecting sleeve is provided with a positioning hole which is opposite to and communicated with the installation cavity, an external gas plug is inserted into the positioning hole and detachably connected with the connecting sleeve, the installation cavity is communicated with an air passage arranged in the base, the diameter of the installation cavity is larger than that of the air passage, a maintenance valve matched with the installation cavity is connected in the installation cavity in a threaded manner, a polygonal maintenance valve inner hole coaxial with the maintenance valve is arranged at the position, opposite to the positioning hole, of the maintenance valve, and an air vent which surrounds the maintenance valve inner hole and penetrates through the maintenance valve is arranged on the maintenance valve; the bottom end of the inner hole of the maintenance valve is closed and extends downwards to form a conical part of the air passage of the closed base.

Through adopting above-mentioned technical scheme, when needing to carry out gas terminal maintenance, extract external gas plug from the adapter sleeve, utilize the special spanner that matches with the maintenance valve hole to twist and move the maintenance valve and make toper portion insert the gas circuit and seal the back with the gas circuit, pull down the adapter sleeve from the base, later carry out gas terminal's maintenance, can maintain under the condition that gas terminal takes gas, need not to close the gas supply line of whole ward.

Preferably, a valve core is arranged above the maintenance valve in the installation cavity, a valve core pressing cap which is matched with the valve core and limits the valve core is arranged above the valve core, and the valve core pressing cap is detachably connected to the base; the bottom end of the valve core is matched with the inner hole of the maintenance valve and can be inserted into the inner hole of the maintenance valve; a valve core spring which is sleeved at the lower part of the valve core and tightly supports the valve core on the valve core pressing cap is arranged between the valve core and the maintenance valve, and a polygonal valve core inner hole which is coaxial with the valve core is formed in the top of the valve core; and the valve core is provided with a valve core air hole which is communicated with the mounting cavity and the positioning hole and allows air to pass through.

By adopting the technical scheme, when the gas is supplied normally, the gas enters the positioning hole from the mounting cavity through the valve core gas hole; when gas terminal maintenance needs to be carried out, the valve core is pressed down and screwed by utilizing a handle matched with the inner hole of the valve core, so that the maintenance valve is driven to rotate and then the gas path is sealed, and then gas maintenance can be carried out.

Preferably, the valve core air hole is formed in the side wall of the valve core inner hole, and when the valve core spring tightly pushes the valve core on the valve core pressing cap, the valve core pressing cap seals the valve core air hole.

By adopting the technical scheme, after the external gas plug is pulled out, the valve core is tightly propped against the valve core pressing cap, and the valve core gas hole is closed so that gas cannot pass through, so that automatic gas cut-off can be realized when the external gas plug is replaced; after the external air plug is inserted, the valve core is pressed down by the external air plug, and the air hole of the valve core is ventilated.

Preferably, the valve core pressing cap is in threaded connection with the wall of the mounting cavity.

Through adopting above-mentioned technical scheme, make things convenient for the equipment of gas terminal.

Preferably, a sealing ring is arranged on the inner wall of the joint of the valve core pressing cap and the valve core.

By adopting the technical scheme, gas is prevented from passing through a gap between the valve core pressing cap and the valve core, and the sealing property of a gas terminal is ensured.

Preferably, a sealing ring is arranged at the joint of the cavity wall of the installation cavity and the valve core pressing cap.

Through adopting above-mentioned technical scheme, avoid gaseous in the gap between the chamber wall of installation cavity and case pressure cap to pass through, guarantee the leakproofness at gas termination.

Preferably, the side wall of the connecting sleeve is provided with slide ways which face the center line, are obliquely upward and are symmetrical about the axis of the connecting sleeve, and the slide ways are internally and slidably connected with clamping pins matched with the slide ways; a pin frame sleeve is sleeved on the outer side of the connecting sleeve, a pin hole is formed in the position, opposite to the bayonet lock, of the pin frame sleeve, and the bayonet lock is inserted into the pin hole; and a connecting sleeve spring which is sleeved on the connecting sleeve and is fixedly connected with the pin frame sleeve and the bottom of the connecting sleeve at two ends in the length direction is arranged below the pin frame sleeve.

Through adopting above-mentioned technical scheme, with external gas plug insert the locating hole after, utilize the bayonet lock with external gas plug locking in the locating hole, when needing to extract external gas plug, only need press the mount cover down make the bayonet lock slide along the slide can downwards.

Preferably, the outer side of the pin frame sleeve is detachably and fixedly connected with a color code pressing sleeve, and the upper part of the color code pressing sleeve is connected with the connecting sleeve in a sliding manner.

Through adopting above-mentioned technical scheme, set up the color code and press the cover and can play the effect of discerning gas terminal.

Preferably, the outer side of the color code pressing sleeve is fixedly connected with a decoration cap, and an O-shaped ring is arranged at the joint of the decoration cap and the color code pressing sleeve.

Through adopting above-mentioned technical scheme, the design of decorating the cap can play pleasing to the eye effect and can decorate the mark of going up gas terminal type on the cap.

Preferably, the bottom end of the base is provided with a screw hole.

Through adopting above-mentioned technical scheme for fix gas terminal on other facilities.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the maintenance valve is in threaded connection with the installation cavity of the base, and after the external gas plug is pulled out, the maintenance valve is rotated by a wrench to seal the gas path of the base, so that gas-carrying maintenance of the gas terminal is realized;

2. through setting up the case and pressing the case spring on the cap with the case top, can pull out the case gas pocket of external gas plug after with the case gas plug and close, realize the automatic gas-break at gaseous terminal.

Drawings

Fig. 1 is a schematic view of the overall structure of a medical gas terminal according to the present application.

Fig. 2 is a cross-sectional view of a medical gas terminal of the present application.

Fig. 3 is a partial exploded view of a medical gas terminal according to the present application.

Fig. 4 is an exploded view of another portion of a medical gas terminal of the present application.

Fig. 5 is a plan view of a medical gas terminal according to the present application.

Description of reference numerals: 1. a base; 11. an air inlet pipe; 12. bolt holes; 13. screw holes; 14. a seat edge; 15. a mounting cavity; 2. maintaining the valve; 21. a vent hole; 22. maintaining the inner hole of the valve; 23. a tapered portion; 3. a spool spring; 4. a valve core; 41. a valve core air hole; 42. a valve core inner hole; 5. a valve core pressing cap; 6. connecting a sleeve; 61. a bolt; 62. a sleeve spring; 63. positioning holes; 64. a slideway; 65. sleeving edges; 7. a pin frame sleeve; 71. a bayonet lock; 72. a pin hole; 8. pressing a color code sleeve; 81. a screw; 9. a decorative cap; 91. and an O-shaped ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a medical gas terminal. Referring to fig. 1 and 2, the medical gas terminal includes a cylindrical base 1, and a nipple 6 located above the base 1 and engaged with the base 1.

The top end of the base 1 is provided with a seat edge 14 which is fixed and extends outwards, and the seat edge 14 is provided with bolt holes 12 which are spaced along the circumferential direction of the base 1. The hole wall of the bolt hole 12 is internally threaded. The outer wall of the connecting sleeve 6 is fixedly provided with a sleeve edge 65 which extends outwards and is opposite to the seat edge 14. The seat rim 14 and the collar rim 65 are connected by means of socket head cap screws 61 passing through the collar rim 65 and matching the internal threads in the bolt holes 12.

The inside gas circuit that is provided with vertically and level and communicate of base 1, be provided with on the lateral wall of base 1 with base 1 threaded connection and with the intake pipe 11 of horizontal gas circuit intercommunication. The air inlet pipe 11 is a copper pipe. Screw hole 13 has been seted up to the bottom of base 1, and screw hole 13's setting is convenient for install gas terminal on other facilities.

Referring to fig. 2 and 3, an installation cavity 15 coaxial with the vertical air path of the base 1 is formed in the middle of the top surface of the base 1. The diameter of the mounting cavity 15 is larger than that of the vertical air passage. The side wall of the mounting cavity 15 is provided with internal threads. The installation cavity 15 is internally provided with a maintenance valve 2 which is matched with the installation cavity 15 and is in threaded connection with the installation cavity 15.

The maintenance valve 2 is cylindrical and has a maintenance valve inner hole 22 provided at an intermediate position. The service valve bore 22 is a hex socket. The bottom end of the service valve inner hole 22 is closed and a position opposite to the vertical pipeline forms a conical part 23 which faces downwards and can be inserted into the vertical pipeline to close the vertical pipeline. The maintenance valve 2 is provided with vent holes 21 which surround an inner hole 22 of the maintenance valve, are arranged at equal intervals along the circumferential direction of the maintenance valve 2 and penetrate through the maintenance valve 2.

A valve core pressing cap 5 which extends upwards out of the installation cavity 15 and extends into the connecting sleeve 6 is connected with the position, above the maintenance valve 2, in the installation cavity 15 in a threaded mode. And a pressing ring which extends outwards is fixed on the outer wall of the valve core pressing cap 5. The press ring is lapped on a step arranged on the inner wall of the base 1. And a sealing ring is arranged between the outer wall of the valve core pressing cap 5 and the wall of the mounting cavity 15. The sealing ring mainly prevents gas from passing between the valve core pressure cap 5 and the wall of the mounting chamber 15.

And a valve core 4 matched with the valve core pressing cap 5 and the maintenance valve 2 is arranged between the valve core pressing cap 5 and the maintenance valve 2. The bottom end of the spool 4 mates with the service valve bore 22 and can be inserted into the service valve bore 22. The top of the maintenance valve 2 is provided with a hexagonal inner valve core inner hole 42. The side wall of the valve core inner hole 42 is provided with a valve core air hole 41 penetrating through the side wall. And a sealing ring is arranged between the outer wall of the valve core 4 positioned at the position of the inner hole 42 of the valve core and the inner wall of the valve core pressing cap 5.

The lower part of the valve core 4 is sleeved with a valve core spring 3. Under the condition of no pressure, due to the action of the valve core spring 3, the outer wall of the valve core inner hole 42 part of the valve core 4 is clung to the inner wall of the valve core pressing cap 5, and the valve core air hole 41 of the valve core 4 is sealed by the valve core pressing cap 5, so that ventilation cannot be performed; when the pressure is applied to the valve body 4, the valve body 4 moves downward, and the valve body air hole 41 is exposed, thereby allowing ventilation.

Referring to fig. 3 and 4, a positioning hole 63 is formed in the middle of the adaptor 6 for inserting an external air plug. The positioning hole 63 is coaxial with and communicates with the mounting cavity 15.

The upper portion outside cover of nipple 6 is equipped with and presses cover 8 with the complex color code of nipple 6, and color code is pressed cover 8 and is made for engineering plastics, and the gas terminal of different grade type can be instructed to the colour that can use different.

The outer side of the color code pressing sleeve 8 is sleeved with a decorative cap 9. The decoration cap 9 is made of aluminum alloy. An O-shaped ring 91 is arranged at the joint between the color code pressing sleeve 8 and the decoration cap 9. The O-ring 91 is made of rubber. The color code pressing sleeve 8 is fixedly connected with the decoration cap 9.

A pin frame sleeve 7 is clamped between the lower part of the color code pressing sleeve 8 and the connecting sleeve 6. The pin frame sleeve 7 is made of nylon. The pin frame sleeve 7 and the color code pressing sleeve 8 are fixedly connected by a screw 81.

The side wall of the connecting sleeve 6 is provided with a slideway 64 which faces the center line, is obliquely upward and is symmetrical about the axis of the connecting sleeve 6. The slide 64 communicates the inside and outside of the nipple 6. A horizontal detent 71 is slidably connected to the slide 64 and engages the slide 64. A pin hole 72 is formed on the inner wall of the pin frame sleeve 7 at a position opposite to the bayonet 71. Both ends of the bayonet 71 in the axial direction are inserted into the pin holes 72. Moving the housing sleeve 7 up and down causes the bayonet 71 to slide along the slideway 64. The bayonet 71 is mainly used for fixing the external air plug in the positioning hole 63 after the external air plug is inserted into the positioning hole 63, so that the external air plug is prevented from being released.

The position of the connecting sleeve 6 below the pin frame sleeve 7 is sleeved with a connecting sleeve spring 62. The sleeve spring 62 is fixedly connected at both axial ends to the pin holder sleeve 7 and the sleeve 6, respectively, so that the pin holder sleeve 7 is connected to the sleeve 6.

The color code pressing sleeve 8 drives the bayonet 71 in the pin frame sleeve 7 to slide downwards along the slide way 64 after the decorative cap 9 is pressed downwards, and the bayonet 71 is withdrawn from the inserting positioning hole 63, so that the external air plug can be conveniently plugged and unplugged.

Referring to fig. 5, in actual production, different colors, characters and positioning hole 63 shapes and size marks are adopted for terminals of different gases, so that errors in installation and use processes are prevented, and gas consumption safety is ensured. The hexagonal positioning holes 63 in this embodiment are designed for oxygen gas termination.

The implementation principle of the medical gas terminal in the embodiment of the application is as follows: in a normal use state, the external gas plug is inserted into the positioning hole 63 and jacks the valve core air hole 41 of the valve core 4, the bayonet 71 locks the external gas plug in the positioning hole 63, and then gas can be used; when the gas terminal needs to be maintained, the decorative cap 9 is pressed down to pull out the external gas plug, the valve core 4 moves upwards, and the valve core gas hole 41 is closed; then, the valve core 4 is pressed downwards by using an inner hexagonal wrench to drive the lower maintenance valve 2 to rotate clockwise until the lower maintenance valve 2 cannot rotate, at the moment, the vertical gas path of the base 1 is closed, and the connecting sleeve 6 is detached from the base 1 to maintain the gas terminal; after the maintenance is finished, the vertical gas circuit of the base 1 can be opened for gas supply by reversely rotating the maintenance valve 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a medical gas terminal, includes base (1) and is located base (1) top and base (1) matching and can dismantle nipple (6) of being connected, base (1) intercommunication has intake pipe (11), installation cavity (15) have been seted up to the top surface of base (1), set up locating hole (63) relative and the intercommunication with installation cavity (15) on nipple (6), external gas plug inserts in locating hole (63) and can dismantle with nipple (6) and be connected its characterized in that: the mounting cavity (15) is communicated with an air passage arranged inside the base (1), the diameter of the mounting cavity (15) is larger than that of the air passage, a maintenance valve (2) matched with the mounting cavity (15) is connected to the mounting cavity (15) in an internal thread mode, a polygonal maintenance valve inner hole (22) coaxial with the maintenance valve (2) is formed in the position, opposite to the positioning hole (63), of the maintenance valve (2), and a vent hole (21) which surrounds the maintenance valve inner hole (22) and penetrates through the maintenance valve (2) is formed in the maintenance valve (2); the bottom end of the maintenance valve inner hole (22) is closed and extends downwards to form a conical part (23) of the air passage of the closed base (1).

2. A medical gas terminal according to claim 1, wherein: a valve core (4) is arranged above the maintenance valve (2) in the installation cavity (15), a valve core pressing cap (5) which is matched with the valve core (4) and limits the valve core (4) is arranged above the valve core (4), and the valve core pressing cap (5) is detachably connected to the base (1); the bottom end of the valve core (4) is matched with the maintenance valve inner hole (22) and can be inserted into the maintenance valve inner hole (22); a valve core spring (3) which is sleeved at the lower part of the valve core (4) and tightly pushes the valve core (4) against the valve core pressing cap (5) is arranged between the valve core (4) and the maintenance valve (2), and a polygonal valve core inner hole (42) which is coaxial with the valve core (4) is formed in the top of the valve core (4); and the valve core (4) is provided with a valve core air hole (41) which is communicated with the mounting cavity (15) and the positioning hole (63) and allows air to pass through.

3. A medical gas terminal according to claim 2, wherein: the valve core air hole (41) is formed in the side wall of the valve core inner hole (42), and when the valve core spring (3) tightly pushes the valve core (4) on the valve core pressing cap (5), the valve core pressing cap (5) seals the valve core air hole (41).

4. A medical gas terminal according to claim 2, wherein: the valve core pressing cap (5) is in threaded connection with the wall of the mounting cavity (15).

5. A medical gas terminal according to claim 2, wherein: and a sealing ring is arranged on the inner wall of the joint of the valve core pressing cap (5) and the valve core (4).

6. A medical gas terminal according to claim 2, wherein: and a sealing ring is arranged at the joint of the cavity wall of the mounting cavity (15) and the valve core pressing cap (5).

7. A medical gas terminal according to claim 1, wherein: the side wall of the connecting sleeve (6) is provided with slide ways (64) which face the center line, are obliquely upward and are symmetrical about the axis of the connecting sleeve (6), and the slide ways (64) are internally and slidably connected with clamping pins (71) matched with the slide ways (64); a pin frame sleeve (7) is sleeved on the outer side of the connecting sleeve (6), a pin hole (72) is formed in the position, opposite to the bayonet lock (71), of the pin frame sleeve (7), and the bayonet lock (71) is inserted into the pin hole (72); a connecting sleeve spring (62) which is sleeved on the connecting sleeve (6) and is fixedly connected with the bottom of the pin frame sleeve (7) and the bottom of the connecting sleeve (6) at two ends in the length direction is arranged below the pin frame sleeve (7).

8. A medical gas terminal according to claim 7, wherein: the outer side of the pin frame sleeve (7) is detachably and fixedly connected with a color code pressing sleeve (8), and the upper part of the color code pressing sleeve (8) is connected with the connecting sleeve (6) in a sliding mode.

9. A medical gas terminal according to claim 8, wherein: the outer side of the color code pressing sleeve (8) is fixedly connected with a decoration cap (9), and an O-shaped ring (91) is arranged at the joint of the decoration cap (9) and the color code pressing sleeve (8).

10. A medical gas terminal according to claim 1, wherein: the bottom end of the base (1) is provided with a screw hole (13).