CN208268586U

CN208268586U - Juvenile's nebulae inhalation exhaust valve

Info

Publication number: CN208268586U
Application number: CN201820576961.0U
Authority: CN
Inventors: 祝润芝; 周萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-22
Filing date: 2018-04-22
Publication date: 2018-12-21
Anticipated expiration: 2028-04-22

Abstract

The utility model relates to field of medical device more particularly to a kind of juvenile's nebulae inhalation exhaust valves.The exhaust valve has exhaust nozzle, and the exhaust nozzle of the exhaust valve includes tube body, loose collar, fixed ring and flexible seal ring；The fixed ring is fixedly placed on outside tube body with respect to tube body；The loose collar can with respect to tube body along tube body center line movement be placed on outside tube body；The loose collar and fixed ring are at a spacing and in the accommodating space of formation one in a ring between the two；The flexible seal ring is placed on outside tube body and is placed in accommodating space；Switch between an extrusion position and a releasing position when loose collar is along the center line movement of tube body；The flexible seal ring locally protrudes from outside accommodating space when loose collar is in extrusion position；The flexible seal ring is integrally located in accommodating space when loose collar is in releasing position.Sealing effect can be enhanced by the way that flexible seal ring is arranged in the utility model.

Description

Juvenile's nebulae inhalation exhaust valve

Technical field

The utility model relates to field of medical device more particularly to a kind of juvenile's nebulae inhalation exhaust valves.

Background technique

Treatment of respiratory diseases generally comprises oxygen feedway, exhaust valve, snorkel and atomizer with atomization system, should Oxygen feedway is connect by the road with exhaust valve, which has exhaust nozzle, which has suction nozzle, the snorkel One end be equipped with the inlet suction port that dock with the exhaust nozzle of exhaust valve, the other end of the snorkel is equipped with the suction nozzle with atomizer The exhaust joint of docking.In the prior art, exhaust nozzle is metalwork, and inlet suction port is plastic part, and exhaust nozzle is adopted with inlet suction port With interference fit, this makes the plug bonding operation of exhaust nozzle and inlet suction port difficult, and sealing effect is bad.

Summary of the invention

The purpose of this utility model is to provide a kind of juvenile's nebulae inhalation exhaust valve for enhancing sealing effect, the exhausts Valve has exhaust nozzle, and the exhaust nozzle of the exhaust valve includes tube body, loose collar, fixed ring and flexible seal ring；The fixed ring is opposite Tube body is fixedly placed on outside tube body；The loose collar can with respect to tube body along tube body center line movement be placed on outside tube body；The activity Ring and fixed ring are at a spacing and in the accommodating space of formation one in a ring between the two；The flexible seal ring is placed on tube body Outside and it is placed in accommodating space；It is cut between an extrusion position and a releasing position when loose collar is along the center line movement of tube body It changes；The flexible seal ring locally protrudes from outside accommodating space when loose collar is in extrusion position；The flexible seal ring is in activity Ring is integrally located in accommodating space when being in releasing position.

Sealing effect can be enhanced by the way that flexible seal ring is arranged in the utility model.

Detailed description of the invention

Fig. 1 shows the stereoscopic schematic diagram of the exhaust nozzle of the utility model；

Fig. 2 shows the perspective exploded views of the exhaust nozzle of the utility model；

Fig. 3 shows an orthographic projection schematic diagram of the exhaust nozzle of the utility model；

Fig. 4 shows the A-A cross-sectional view of Fig. 3, wherein loose collar is in releasing position；

Fig. 5, which is shown, on the basis of fig. 4 switches to loose collar in the schematic diagram after extrusion position；

Fig. 6 shows the portion the B partial enlarged view of Fig. 4；

Fig. 7 shows the organigram of the treatment of respiratory diseases atomization system of the utility model application；

Fig. 8 shows the stereoscopic schematic diagram of the inlet suction port of the snorkel of the utility model；

Fig. 9 shows an orthographic projection schematic diagram of the inlet suction port of the snorkel of the utility model；

Figure 10 shows the C-C cross-sectional view of Fig. 9；

Figure 11 shows the portion the D partial enlarged view of Figure 10；

Figure 12 shows the structural schematic diagram after the inlet suction port of exhaust nozzle insertion snorkel, wherein loose collar is in and releases Put position；

Figure 13 shows the portion the E partial enlarged view of Figure 12；

Figure 14, which is shown, switches to loose collar on the basis of Figure 12 in the schematic diagram after extrusion position；

Figure 15 shows the portion the F partial enlarged view of Figure 14.

Specific embodiment

Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.

Embodiment one:

As shown in Figures 1 to 6, a kind of juvenile's nebulae inhalation exhaust valve, the exhaust valve have exhaust nozzle 60, the exhaust valve Exhaust nozzle include tube body 601, loose collar 602, fixed ring 603 and flexible seal ring 604；The fixed ring is fixedly with respect to tube body It is placed on outside tube body；The loose collar can be placed on outside tube body with respect to tube body along the center line 605 of tube body with moving；The loose collar and fixation Ring is at a spacing and in the accommodating space 606 of formation one in a ring between the two；The flexible seal ring be placed on tube body it is outer and It is placed in accommodating space；Switch between an extrusion position and a releasing position when loose collar is along the center line movement of tube body； The flexible seal ring locally protrudes from outside accommodating space when loose collar is in extrusion position；The flexible seal ring is at loose collar It is integrally located in accommodating space when releasing position.

The flexible seal ring is rubber seal；The tube body, fixed ring and loose collar are metalwork.

The loose collar is equipped with the canister portion 607 in a ring being placed on outside tube body；The fixed ring is equipped with the annular being inserted into for canister portion Slot 608；The canister portion is inserted into annular slot.

The fixed ring is towards the end face of loose collar 609, the periphery wall 610 of canister portion and loose collar towards the end face of fixed ring 611 limit the accommodating space jointly, which has an opening 612 opposite with the periphery wall of canister portion.

Embodiment two:

The present embodiment is the treatment of respiratory diseases atomization system of exhaust valve application, and as shown in Fig. 1 to Figure 15, this is exhaled Inhaling tract disease treatment atomization system includes oxygen feedway 10, exhaust valve 20, snorkel 30 and atomizer 40, which supplies It 50 is connect by the road to device with exhaust valve, which has exhaust nozzle 60, which there is suction nozzle (not show in figure Out), one end of the snorkel 30 is equipped with the inlet suction port 70 for docking and being connected with the exhaust nozzle 60 of exhaust valve, the snorkel 30 The other end be equipped with the exhaust joint (not shown) being connected with the docking of the suction nozzle of atomizer；

The exhaust nozzle of the exhaust valve include tube body 601, loose collar 602, fixed ring 603 and elastically deformable flexible sealing Circle 604；

The fixed ring is fixedly placed on outside tube body with respect to tube body along tube body；

The loose collar can be reciprocally placed on outside tube body with respect to tube body along the center line 605 of tube body, as shown in figure 5, solid Determine the lower section that ring 603 is located at loose collar 602；

It is in ring that the loose collar and fixed ring form one at a spacing and between the two (i.e. loose collar and fixed ring) The accommodating space 606 of shape (especially circular ring shape)；

The flexible seal ring is placed on outside tube body and is placed in accommodating space；

Squeeze the extrusion position of flexible seal ring when the loose collar is along the center line movement of tube body close to fixed ring one With switch between a releasing position far from fixed ring to discharge flexible seal ring；In the present embodiment, the flexible seal ring is in work Deformation occurs when rotating ring is in extrusion position, which restores to the original state when loose collar is in releasing position, loose collar Extrusion position can be switched to from releasing position when making and move close to fixed ring along the center line of tube body, loose collar is along the center of tube body Line can switch to releasing position from extrusion position when making far from fixed ring movement；

The inlet suction port of the snorkel has the connector receptacle 701 of the exhaust nozzle insertion for exhaust valve；

As shown in figure 15, the flexible seal ring locally protruded from when loose collar is in extrusion position outside accommodating space and with 702 phase of hole wall of connector receptacle is kept out, that is to say, that in the connector receptacle of the exhaust nozzle insertion inlet suction port of exhaust valve, and will After loose collar switches to extrusion position, flexible seal ring Local Convex can be made for accommodating space, at this point, Local Convex is empty for receiving Between flexible seal ring and the hole wall of connector receptacle mutually keep out, thus to realize sealing cooperation；

As shown in figure 13, which is integrally located in accommodating space when loose collar is in releasing position and is detached from The hole wall 702 of connector receptacle, that is to say, that in the connector receptacle of the exhaust nozzle insertion inlet suction port of exhaust valve, and by loose collar After switching to releasing position, flexible seal ring can be made to be integrally located in accommodating space, at this point, flexible seal ring is not inserted with connector The hole wall in hole contacts, i.e. the hole wall of flexible seal ring and connector receptacle is separated, thus to realize the air inlet connecting for unclamping snorkel Head, in order to which the inlet suction port of snorkel and the exhaust nozzle of exhaust valve are plugged and operated.

Sealing effect can be enhanced by the way that flexible seal ring is arranged in the technical solution, and in exhaust nozzle and inlet suction port Flexible seal ring can be made to be integrally located at the hole wall in accommodating space and being detached from connector receptacle when plugging bonding operation, thus with Flexible seal ring is avoided to influence the plug bonding operation of exhaust nozzle and inlet suction port, the plug for enhancing exhaust nozzle and inlet suction port connects The convenience of closing operation.

In the present embodiment, tube body is linearly, and the middle vacancy of tube body forms airflow channel, loose collar, fixed ring and Flexible seal ring is in circular ring shape.

In the present embodiment, flexible seal ring can be rubber seal.The tube body, fixed ring and loose collar are metalwork, The inlet suction port of the snorkel is metalwork or plastic part.

In the present embodiment, the loose collar and tube body are threadedly engaged (that is, loose collar and tube body are substantially to constitute silk Stem nut kinematic pair), it realizes to rotate loose collar and moves back and forth the loose collar along the center line of tube body.

In the present embodiment, the fixed ring and tube body can also realize fixing assembling and being threadedly engaged.

The loose collar is equipped with the canister portion 607 in a ring being placed on outside tube body, and the canister portion 607 is from loose collar 602 along tube body Center line 605 extends to fixed ring 603；

The fixed ring is equipped with the annular slot 608 being inserted into for canister portion 607, and the annular slot 608 is around tube body 601；

The canister portion 607 is inserted into annular slot 608.

The fixed ring towards the end face of loose collar 609, canister portion periphery wall 610 (periphery wall of the canister portion be located at receiving In space) and loose collar towards the end face of fixed ring 611 limit the accommodating space 606 jointly, which has The opening 612 of the one circular tube body 601 opposite with the periphery wall 610 of canister portion.The technical solution can be straight to avoid flexible seal ring Connect the movement for contacting with tube body peripheral wall and influencing loose collar with respect to tube body.

Opening 612 Local Convex of the flexible seal ring 604 when loose collar 602 is in extrusion position through accommodating space for Outside accommodating space 606.

In the present embodiment, the outer diameter D 1 of the loose collar is equal, and the outer diameter D 2 of fixed ring with the outer diameter D 2 of fixed ring Less than connector receptacle aperture D3 and so that fixed ring and connector receptacle is formed clearance fit.The technical solution can be convenient for snorkel The plug operation of the exhaust nozzle of inlet suction port and exhaust valve.Specifically, the aperture of connector receptacle can be bigger than the outer diameter of fixed ring 1mm, 2mm or 3mm etc..

The hole wall 702 of the connector receptacle is equipped with annular recess, which surround tube body setting, the annular recess Position with the position of flexible seal ring be it is corresponding, especially, the position of the annular recess and Local Convex are for accommodating space The position of outer flexible seal ring is corresponding.The technical solution can make Local Convex for receipts by setting annular recess The flexible seal ring held outside space can mutually be kept out with annular recess, and sealing effect not only can be improved, can also increase flexibility The friction contact load of the inlet suction port of sealing ring and snorkel is to reduce the exhaust nozzle that the inlet suction port of snorkel is detached from exhaust valve Risk.

The cross section (i.e. C-C cutting plane in Fig. 9) of annular recess on the hole wall of the connector receptacle is wavy.The skill Art scheme can further improve sealing effect and reduce the risk of the exhaust nozzle of the inlet suction port disengaging exhaust valve of snorkel.

The hole wall 702 of the connector receptacle is additionally provided with an annular flange 704, and the internal diameter D4 of the annular flange is less than fixed ring Outer diameter D 2, the annular flange are mutually kept out when exhaust nozzle is inserted into connector receptacle with fixed ring.The technical solution passes through setting annular Positioning action may be implemented in flange.

Claims

1. a kind of juvenile's nebulae inhalation exhaust valve, which has exhaust nozzle, it is characterised in that: the exhaust nozzle of the exhaust valve Including tube body, loose collar, fixed ring and flexible seal ring；The fixed ring is fixedly placed on outside tube body with respect to tube body；The loose collar Can with respect to tube body along tube body center line movement be placed on outside tube body；The loose collar and fixed ring are at a spacing and in the two Between form an accommodating space in a ring；The flexible seal ring is placed on outside tube body and is placed in accommodating space；The loose collar edge Switch between an extrusion position and a releasing position when center line movement of tube body；The flexible seal ring is in loose collar and squeezes It is locally protruded from outside accommodating space when pressing position；It is empty that the flexible seal ring is integrally located at receiving when loose collar is in releasing position In.

2. juvenile's nebulae inhalation exhaust valve according to claim 1, it is characterised in that: the flexible seal ring is that rubber is close Seal；The tube body, fixed ring and loose collar are metalwork.

3. juvenile's nebulae inhalation exhaust valve according to claim 2, it is characterised in that: the loose collar is equipped with and is placed on tube body Outer canister portion in a ring；The fixed ring is equipped with the annular slot being inserted into for canister portion；The canister portion is inserted into annular slot.

4. juvenile's nebulae inhalation exhaust valve according to claim 3, it is characterised in that: the fixed ring is towards loose collar End face, the periphery wall of canister portion and loose collar limit the accommodating space towards the end face of fixed ring jointly, which has One opening opposite with the periphery wall of canister portion.

5. juvenile's nebulae inhalation exhaust valve according to claim 4, it is characterised in that: the exhaust valve is applied to respiratory tract Disease treatment atomization system, the treatment of respiratory diseases atomization system further include oxygen feedway, oxygen supply dress It sets and is connect by the road with exhaust valve.