CN201221655Y

CN201221655Y - Medical gas port

Info

Publication number: CN201221655Y
Application number: CNU2008200471955U
Authority: CN
Inventors: 周军; 姜建勋; 邵巧玲
Original assignee: ZHUHAI OGSI SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: ZHUHAI OGSI SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2008-04-30
Filing date: 2008-04-30
Publication date: 2009-04-15
Anticipated expiration: 2018-04-30

Abstract

The utility model relates to a medical gas port which comprises a main valve body, an inner valve sleeve, a main valve core and a self-sealing valve core. A gas inlet hole and a gas cavity which is communicated with the gas inlet hole are arranged on the main valve body. The inner valve sleeve is sleeved in the cavity body of the main valve body, and the main valve core is arranged in the cavity body of the inner valve sleeve. The self-sealing valve core is arranged in the cavity body of the main valve body. A gas plug can be inserted in the main valve core. A float plate which can move along the axis of the main valve body to open/close the inner valve sleeve is arranged in the cavity body of the main valve body, and the float plate is arranged below the inner valve sleeve. The gas resource can be automatically cut off through the self-sealing valve core arranged inside the cavity body of the main valve core. The float plate arranged in the cavity body of the main valve body can seal/open the inner valve sleeve, when the parts such as the main valve core, the self-sealing valve core and the like are needed to be repaired, the maintenance of the parts can be carried out without closing the gas resource, and the utility model is convenient and practical.

Description

The medical gas port

Technical field

The utility model relates to a kind of gas ports device, relates in particular to a kind of device that is used for medical gas pipe-line system or medical equipment as the gas end interface, is the transitional facility that connects medical gas pipe-line system and terminal unit.

Background technique

The medical gas air supply system plays crucial effects in treatment, operation and urgent rescue work, at present, the end of air supply system is arranged in the medical equipment band on ward or the rescue room wall usually, its Terminal Interface Unit is a gas ports, with gas is directly the source of the gas plug to be inserted in the gas ports, can provide required medical gas to patient.The medical gas port is to be used for hospital operating room, ward patients to suck employed transition apparatus in medical gas or the suction body, and the quality of its performance directly affects the Security and the reliability of patient's usefulness gas.

There is following defective in present widely used medical gas port:

1, the maintenance of must stopping the supple of gas or steam: because the internal structure of existing gas ports is non-self-styled type, if when air feed port or air supply system break down, the main valve that then pipe-line system must be entered corresponding room cuts out, just detachably.But often there are a plurality of sick beds or operation table in a room, there are a plurality of patients to use gas at the same time, in case closed the room main valve, these patients just can't use, cleanroom's (operating room particularly, ICU etc.) gas ports is clean wall or the suspension bridge that is contained in sealing, in the tower crane, and carried out encapsulation process, if therefore gas ports breaks down, also must will just can overhaul after sealing installation and the wall destruction, also must ask the professional construction personnel to seal after the maintenance recovers and the depollution of environment, sterilization, patient is rescuing or at maintenance gas, then consequence is hardly imaginable if just meet this moment;

2, versatility is poor: 1. different use occasions are not general, and all there are public ward, ICU intensive care unit and operating room in general hospital, and the gas ports of public ward is contained on the equipment band, and tail end is necessary for rectangular shape; ICU intensive care unit and operating room then are contained on tower crane and the suspension bridge, tail end is necessary for through-type, this class gas ports is most of by import at present, also import simultaneously of terminal unit so, cost an arm and a leg, and a hospital will dispose multiple structure, brought inconvenience for use, maintenance and procurement staff; 2. different production firms are not general, because the particularity of medical gas use occasion, so the medical gas terminal unit of each manufacturer can only be joined the gas ports of its oneself production for a long time, the like product of import particularly, if its port assembly failure or in bad repair, also must look for original supplier to order the identical product of same brand, otherwise its expensive medical gas terminal unit must be scrapped.

The model utility content

The technical problems to be solved in the utility model provides a kind of medical gas port of simple in structure, self sealing.

In order to solve the problems of the technologies described above, the utility model provides following technological scheme: the medical gas port comprises: main valve body, inner valve sleeve, main valve plug and self-styled spool, the air cavity that described main valve body is provided with inlet hole and communicates with inlet hole; Described inner valve sleeve is located in the main valve body cavity, and main valve plug is located in the inner valve sleeve cavity; Be provided with self-styled spool in the described main valve plug cavity; Can insert in the described main valve plug and use the gas plug; Also being provided with one in the described main valve body cavity can move to open/to seal the float plate of inner valve sleeve along the main valve body axis, and described float plate is positioned at the inner valve sleeve below.

According to the technical solution of the utility model, by self-styled spool being set in the main valve plug inside cavity, when with the gas plug when gas ports is extracted, self-styled spool cuts off source of the gas automatically; Be located at the float plate in the main valve body cavity, can seal/open inner valve sleeve, when component such as the main valve plug that needs repairing, self-styled spool, float plate moves to the inner valve sleeve lower end under gas pressure, with the inner valve sleeve sealing, can be not related to the source of holding one's breath and also can keep in repair component, convenient and practical.

Description of drawings

Fig. 1 is a sectional view of the present utility model;

Schematic representation when Fig. 2 inserts usefulness gas plug for the utility model;

Fig. 3 is a worm's eye view of the present utility model.

The utility model is described in further detail below in conjunction with drawings and Examples.

Embodiment

With reference to shown in Figure 1, the utility model comprises installs base plate 1, main valve body 2, self-styled spring 3, inner valve sleeve 4, self-styled spool 5, end cap Returnning spring 6, main valve plug 7, outer valve sleeve 8, port cap 9, seal ring 11, connecting bolt 12, sunk screw 13, middle pressing plate 14 and float plate 15.

Main valve body 2 is installed on the air machinery by base plate 1 is installed, main valve body 2 bottoms are provided with the first inlet hole 2A, the second inlet hole 2B on the sidewall of bottom, also comprise the first air cavity I and the second air cavity II that are interconnected in the main valve body 2, the first inlet hole 2A communicates with the second air cavity II, the second inlet hole 2B communicates with the first air cavity I, be provided with a float plate 15 among the second air cavity II, float plate 15 can move by the axial direction along main valve body 2 in the second air cavity II, in the present embodiment, the radial dimension of float plate 15 greater than the radial dimension of inner valve sleeve 4 cavitys with shutoff inner valve sleeve 4.Inner valve sleeve 4 is installed on the top of the second air cavity II, sheathed main valve plug 7 in its cavity, and inner valve sleeve 4 is the split manufacturing with main valve plug 7.Be provided with a self-styled spool 5 in main valve plug 7 cavitys, self-styled spool 5 can be in main valve plug 7 cavitys moves along self axis, self-styled spool 5 bottom sidewalls are provided with vent 5A, the outer side wall on top is provided with projection 5B, also be provided with boss 7A on main valve plug 7 cavity inner walls, the radial dimension of projection 5B can be controlled the scope that self-styled spool 5 moves greater than the radial dimension of boss 7A in main valve plug 7 cavitys, between the projection 5B of self-styled spool 5 and main valve plug 7 bottoms self-styled spring 3 is set.Main valve plug 7 inwall boss 7A upper end is provided with O RunddichtringO 11, the sealing effect in the time of can guaranteeing with 10 insertions of gas plug between its lower end external cylindrical surface and main valve plug 7 inwalls.The upper-end surface of main valve body 2 is provided with pressing plate 14, and outer valve sleeve 8 is set on the pressing plate 14, and in the present embodiment, outer valve sleeve 8 adopts plastic material to make.Pressing plate 14 is installed on the main valve body 2 by sunk screw 13, and is fixing by connecting bolt 12 between pressing plate 14 and the outer valve sleeve 8.Outer valve sleeve 8 outer cover are provided with a port cap 9, are provided with end cap Returnning spring 6 between port cap 9 and the outer valve sleeve 8.

Below using process of the present utility model is further described:

Gas ports is in off working state following time, self-styled spool 5 is positioned at the cavity of inner valve sleeve 4 under the effect of self-styled spring 3, projection 5B on its periphery wall is against on the leave from office terrace of boss 7A of main valve plug 7, four " ten " fonts on self-styled spool 5 perisporiums radially vent 5A move in the main valve plug 7, source of the gas is cut off, even at the state of extracting with gas plug 10 (or using device of air), gas ports can not leaked gas yet like this;

Gas ports is following time in working order, gas plug 10 (or using device of air) inserts in outer valve sleeve 8 cavitys, overcome the resistance of self-styled spring 3 with gas plug 10, promoting self-styled spool 5 moves down, when the vent 5A on the self-styled spool 5 shifts out the lower end surface of main valve plug 7, medical gas just enters the first air cavity I and the second air cavity II from advancing the first inlet hole 2A or the second inlet hole 2B, again through the vent 5A of self-styled spool 5, self-styled spool 5 cavitys, with the center hole of gas plug 10, at last by entering in the patient body with device of air.

Because pressing plate 14 is fixed on the main valve body 2 by four sunk screws 13, if parts such as outer valve sleeve 8, main valve plug 7, self-styled spool 5 or self-styled spring 3 are out of order, when maybe needing to change seal ring 11, all need not to remove whole gas ports, the system that more need not stops the supple of gas or steam, as long as unclamp connecting bolt 12, just float plate 15 on the bottom surface that is pressed in inner valve sleeve 4 under the suction pressure effect and cut off source of the gas, realizes the maintenance of band gas.

In addition, port cap 9, outer valve sleeve 8 can also adopt the PA-66 plastic material, and the manufacture cost of gas ports is reduced, and each gas ports can be saved copper material 130 grams.

In sum, the utility model is compared with existing its Medical gas port, has following beneficial effect:

1, band gas maintenance: can be in the situation that does not affect patient medical and rescue, overhaul and Change parts and components, this special occasion has more deep life meaning and more wide in hospital Market prospects;

2, versatility: suspension bridge, tower crane and equipment belt can be used same gas for same gas The body port, only changing, the pipe-connecting mode of its afterbody gets final product; The Medical gas port scope of application Extensively, highly versatile, its socket and the degree of depth are applicable to inserting of the multiple Medical gas terminal device in home and abroad Head if the Medical gas port on the original equipment of hospital is in bad repair, only need change the utility model into, Its original medical gas device is connected upper with gas plug 10, just can continue to use, saved expensive Supporting and maintenance cost;

3, simple in structure, easy to maintenance, few with the copper material: annual output by 20,000 is calculated, just Can save 2.6 tons in copper material, not only reduce the manufacturing cost of each medical gas assembly, and in money Today of source worsening shortages, this invention have significant realistic meaning and far-reaching be historical meaning Justice;

4, reached the effect of similar imported product, but cost have only its 25%.Under the situation that the changing of the manufacturing expense of current production and hospital, enlarging and maintenance cost all remain high, its vast market prospect is arranged more.

Claims

1, medical gas port comprises:

Main valve body, inner valve sleeve, main valve plug and self-styled spool, the air cavity that described main valve body is provided with inlet hole and communicates with inlet hole; Described inner valve sleeve is located in the main valve body cavity, and main valve plug is located in the inner valve sleeve cavity; Be provided with self-styled spool in the described main valve plug cavity; Can insert in the described main valve plug and use the gas plug;

It is characterized in that:

Also being provided with one in the described main valve body cavity can move to open/to seal the float plate of inner valve sleeve along the main valve body axis, and described float plate is positioned at the inner valve sleeve below.

2, medical gas port according to claim 1 is characterized in that:

Described self-styled spool can move in the main valve plug cavity along self axis, is provided with self-styled spring between self-styled spool and the main valve plug.

3, medical gas port according to claim 1 is characterized in that:

Described self-styled spool bottom sidewall is provided with vent, and outer side wall is provided with projection, also is provided with boss on the described main valve plug inwall, and the radial dimension of described self-styled spool projection is greater than the radial dimension of main valve body inwall boss; Described self-styled spring is located between the projection and main valve plug of self-styled spool.

4, medical gas port according to claim 3 is characterized in that:

Described main valve plug upper inside wall is provided with seal ring.

5, medical gas port according to claim 1 is characterized in that:

Described inlet hole comprises first inlet hole and second inlet hole, described air cavity comprises first air cavity and second air cavity that is interconnected, described first inlet hole is located on the bottom end face of main valve body, second inlet hole is located on the sidewall of main valve body bottom, first inlet hole communicates with second air cavity, and second inlet hole communicates with first air cavity.

6, medical gas port according to claim 1 is characterized in that:

Also comprise the outer valve sleeve of being located at the main valve body top.

7, medical gas port according to claim 6 is characterized in that:

Be provided with pressing plate between described main valve body and the outer valve sleeve, described pressing plate is installed in the upper-end surface of main valve body.

8, medical gas port according to claim 7 is characterized in that:

Described pressing plate is fixed in the main valve body upper-end surface by sunk screw, and described outer valve sleeve is installed on the pressing plate by connecting bolt.

9, medical gas port according to claim 6 is characterized in that:

Described outer valve sleeve is arranged with a port cap outward, is provided with the end cap Returnning spring between described port cap and the outer valve sleeve.

10, medical gas port according to claim 1 is characterized in that:

Described inner valve sleeve, main valve plug are the split manufacturing.