CN202802453U

CN202802453U - Gas valve

Info

Publication number: CN202802453U
Application number: CN 201220411135
Authority: CN
Inventors: 姜惠兴; 姜闻名
Original assignee: SHANGHAI ZHENGHUA MEDICAL EQUIPMENT CO Ltd
Current assignee: SHANGHAI ZHENGHUA MEDICAL EQUIPMENT CO Ltd
Priority date: 2012-08-17
Filing date: 2012-08-17
Publication date: 2013-03-20
Anticipated expiration: 2022-08-17

Abstract

The utility model discloses a gas valve which comprises a socket head and a gas inlet valve. A locating ring, a cylindrical pin, a pressure spring and a press sleeve ring are arranged inside the socket head. The locating ring is sleeved on the outer lap of the cylindrical pin. The pressure spring is arranged below the locating ring and supports the locating ring. The press sleeve ring is pressed above the locating ring on the outer side. The gas inlet valve comprises a gas valve core, a first rubber sealing ring, a copper core sleeve, a small pressure spring, a spring support plate and a copper valve bottom. The gas valve core is hollow inside and the small pressure spring is arranged inside the gas valve core. The gas valve core is sealed by the rubber sealing ring. The copper core sleeve is sleeved on the periphery of the first rubber sealing ring. The spring support plate is arranged inside the copper valve bottom. The spring support plate supports the copper core sleeve. According to the technical scheme of the gas valve, a gas inlet part, a start and stop lock mechanism and the gas valve core are all in a metal structure, and therefore the gas valve has the advantages of being good in gas tightness, durable in use, convenient to use and capable of being used in a hospital ward, an operating room, a rescue room, a intensive care unit and other places with a requirement of medical gas output.

Description

Gas trap

Technical field

This utility model relates to a kind of medical gas output device, more particularly, relates to a kind of gas trap.

Background technology

The common general air-tightness of medical output device, be the standard that this device need to reach with gas maintenance and service life always, if gas valve head that can Reusability, then existing common valve head does not all have the desirable effect of holding one's breath, cause the leakage rate of gas larger, the utilization rate of gas is lower, thereby the impact treatment is quantitative easily.

The utility model content

The purpose of this utility model aims to provide a kind of gas trap, solves the various deficiencies that exist in the prior art.

According to this utility model, a kind of gas trap is provided, comprise socket head and intake valve.Socket head inside arranges locating ring, straight pin, Compress Spring and gland ring, and locating ring is sleeved on the outer ring of straight pin, and Compress Spring is from the supported underneath locating ring, and the gland ring is pressed in the upper outer of locating ring.Intake valve comprises at the bottom of gas valve core, the first rubber seal, copper core retainer plate, small pressure spring, spring planet and the copper valve, the gas valve core inner hollow, built-in small pressure spring, the rubber seal rings for seal gas valve core, it is peripheral that the copper core retainer plate is set in the first rubber seal, inside arranges spring planet at the bottom of the copper valve, and spring planet is held the copper core retainer plate.

According to an embodiment of the present utility model, also comprise holding screw and wire circlip, holding screw is fixed gland ring and straight pin from horizontal direction, and wire circlip is fixing gland ring in the vertical direction.

According to an embodiment of the present utility model, also comprise the second rubber seal and pan head screw, the second rubber seal is arranged at the below of straight pin, and pan head screw is fixed socket head and straight pin from horizontal direction.

According to an embodiment of the present utility model, also comprise nerd pack and sheath, nerd pack is inverted L-shaped, is sleeved on the outside of gland ring, and sheath is from the supported underneath nerd pack.

According to an embodiment of the present utility model, also comprise the 3rd rubber seal and the 4th rubber seal, the 3rd rubber seal is arranged in the lower grooves of copper core retainer plate, and the 4th rubber seal is arranged between copper core retainer plate and the socket head.

According to an embodiment of the present utility model, also comprise joint, be connected on the import department at the bottom of the copper valve.

According to an embodiment of the present utility model, also comprise hexagon-headed bolt, nut cushion cover, hex nut, soket head cap screw, internal tooth lock washer and sunk screw.Hexagon-headed bolt is arranged on the outside at the bottom of the copper valve, hex nut is arranged at the inboard at the bottom of the copper valve, be encased inside the nut cushion cover between at the bottom of hexagon-headed bolt and the copper valve, be encased inside internal tooth lock washer between at the bottom of hex nut and the copper valve, on sunk screw is fixed on hexagon-headed bolt and hex nut at the bottom of the copper valve.

Adopted the technical solution of the utility model, induction part, keying locking mechanism, gas valve core are all-metal construction, have good, durable in use, the easy to use characteristics of gas tightness, can be used for the place that hospital ward, operating room, rescue room, intensive care unit etc. need medical gas output.

Description of drawings

In this utility model, identical Reference numeral represents identical feature all the time, wherein:

Fig. 1 is the front view of this utility model gas trap;

Fig. 2 is the test pattern of this utility model gas trap;

Fig. 3 is the sketch map of this utility model gland ring;

Fig. 4 is the sketch map of this utility model locating ring;

Fig. 5 is the sketch map of this utility model plastic sheath;

Fig. 6 is the sketch map of this utility model gas valve core;

Fig. 7 is the sketch map of this utility model socket head;

Fig. 8 is the sketch map of this utility model copper core retainer plate.

The specific embodiment

Further specify the technical solution of the utility model below in conjunction with drawings and Examples.

See figures.1.and.2, gas trap A0 of the present utility model mainly comprises with lower member: nerd pack 1, interior hexagonal flush end holding screw 2, gland ring 3, spring steel wire jump ring 4, straight pin 5, (the second) O shape rubber seal 6, locating ring 7, Compress Spring 8, sheath 9, Cross Recess Head Screw 10, socket head 11, gas valve core 12, (the first) O shape rubber seal 13, copper core retainer plate 14, (the 3rd) O shape rubber seal 15, at the bottom of the copper valve 16, joint 17, spring planet 18, (the 4th) O shape rubber seal 19, hexagon-headed bolt 20, nut cushion cover 21, hex nut 22, soket head cap screw 23, internal tooth lock washer 24, small pressure spring 25, sunk screw 26.The below introduces the relation between all parts in detail.

As depicted in figs. 1 and 2, socket head 11 inside arrange locating ring 7, straight pin 5, Compress Spring 8 and gland ring 3, locating ring 7 is sleeved on the outer ring of straight pin 5, Compress Spring 8 is from supported underneath locating ring 7, gland ring 3 is pressed in the upper outer of locating ring 7, as shown in Figure 4, there is the breach that is fixed with gland ring 3 both sides of locating ring 7.The concrete structure of gland ring 3 as shown in Figure 3, internal diameter successively outwards successively decreases in the middle of it.

Intake valve comprises at the bottom of gas valve core 12, the first rubber seal 13, copper core retainer plate 14, small pressure spring 25, spring planet 18 and the copper valve 16, gas valve core 12 inner hollow, built-in small pressure spring 25, as shown in Figure 6, the inner hollow of gas valve core 12 is rectangular, and it is not shown in Figure 6 that small pressure spring 25(is set in the position of hollow bulb).The first rubber seal 13 blanket gas spools 12, copper core retainer plate 14 is set in the first rubber seal 13 peripheries, and 16 inside arrange spring planet 18 at the bottom of the copper valve, and spring planet 18 is held copper core retainer plate 14.

Holding screw 2 is fixing with gland ring 3 and straight pin 5 from horizontal direction, and wire circlip 4 is fixing gland ring 3 in the vertical direction.The second rubber seal 6 is arranged at the below of straight pin 5, and pan head screw 10 is fixing with socket head 11 and straight pin 5 from horizontal direction.As shown in Figure 7, the gland ring 3 of socket head 11 inside, locating ring 7, straight pin 5, Compress Spring 8 arrange downwards successively.

Nerd pack 1 is inverted L-shaped, is sleeved on the outside of gland ring 3, and sheath 9 is from supported underneath nerd pack 1.As shown in Figure 5, on the plastic sheath 1 groove that is fixed with sheath 9 is arranged.The 3rd rubber seal 13 is arranged in the lower grooves of copper core retainer plate 14, and as shown in Figure 8, copper core retainer plate 14 surfaces are provided with a plurality of apertures that are used for locating.The 4th rubber seal 15 is arranged between copper core retainer plate 14 and the socket head 11.Joint 17 is connected at the bottom of the copper valve 16 import department.

Hexagon-headed bolt 20 is arranged at the bottom of the copper valve 16 the outside, hex nut 22 is arranged at the bottom of the copper valve 16 inboard, be encased inside nut cushion cover 21 between 16 at the bottom of hexagon-headed bolt 20 and the copper valve, be encased inside internal tooth lock washer 24 between 16 at the bottom of hex nut 22 and the copper valve, sunk screw 26 is fixed on hexagon-headed bolt 20 and hex nut 22 at the bottom of the copper valve on 16.Sunk screw 26 tops arrange soket head cap screw 23.

Those of ordinary skill in the art will be appreciated that above description only is one or more embodiments among the numerous embodiment of this utility model, and is not to use restriction of the present utility model.Any for the above embodiment equalization variation, modification and be equal to the technical schemes such as alternative, as long as meet connotation scope of the present utility model, all will drop in the scope that claims of the present utility model protect.

Claims

1. a gas trap is characterized in that, comprising:

Socket head and intake valve;

Described socket head inside arranges locating ring, straight pin, Compress Spring and gland ring, and described locating ring is sleeved on the outer ring of described straight pin, and described Compress Spring is from the described locating ring of supported underneath, and described gland ring is pressed in the upper outer of described locating ring;

Described intake valve comprises at the bottom of gas valve core, the first rubber seal, copper core retainer plate, small pressure spring, spring planet and the copper valve, described gas valve core inner hollow, built-in described small pressure spring, the described gas valve core of described rubber seal rings for seal, it is peripheral that described copper core retainer plate is set in described the first rubber seal, inside arranges described spring planet at the bottom of the described copper valve, and described spring planet is held described copper core retainer plate.

2. gas trap as claimed in claim 1 is characterized in that, also comprises:

Holding screw and wire circlip, described holding screw is fixed described gland ring and described straight pin from horizontal direction, and described wire circlip is fixed described gland ring in the vertical direction.

3. gas trap as claimed in claim 1 is characterized in that, also comprises:

The second rubber seal and pan head screw, described the second rubber seal is arranged at the below of described straight pin, and described pan head screw is fixed described socket head and described straight pin from horizontal direction.

4. gas trap as claimed in claim 1 is characterized in that, also comprises:

Nerd pack and sheath, described nerd pack is inverted L-shaped, is sleeved on the outside of described gland ring, and described sheath is from the described nerd pack of supported underneath.

5. gas trap as claimed in claim 1 is characterized in that, also comprises:

The 3rd rubber seal and the 4th rubber seal, described the 3rd rubber seal is arranged in the lower grooves of described copper core retainer plate, and described the 4th rubber seal is arranged between described copper core retainer plate and the described socket head.

6. gas trap as claimed in claim 1 is characterized in that, also comprises:

Joint is connected on the import department at the bottom of the described copper valve.

7. gas trap as claimed in claim 1 is characterized in that, also comprises:

Hexagon-headed bolt, nut cushion cover, hex nut, soket head cap screw, internal tooth lock washer and sunk screw;

Described hexagon-headed bolt is arranged on the outside at the bottom of the described copper valve, described hex nut is arranged at the inboard at the bottom of the described copper valve, be encased inside the nut cushion cover between at the bottom of described hexagon-headed bolt and the described copper valve, be encased inside described internal tooth lock washer between at the bottom of described hex nut and the described copper valve, on described sunk screw is fixed on described hexagon-headed bolt and described hex nut at the bottom of the described copper valve.