CN202920854U - Self-locking interchanging connector of full face mask - Google Patents
Self-locking interchanging connector of full face mask Download PDFInfo
- Publication number
- CN202920854U CN202920854U CN 201220407597 CN201220407597U CN202920854U CN 202920854 U CN202920854 U CN 202920854U CN 201220407597 CN201220407597 CN 201220407597 CN 201220407597 U CN201220407597 U CN 201220407597U CN 202920854 U CN202920854 U CN 202920854U
- Authority
- CN
- China
- Prior art keywords
- interface
- connector
- filtering tank
- locking
- latch segment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a self-locking interchanging connector of a full face mask. The full face mask is connected with an air respirator through an air respirator connector or connected with a filtering tank through a filtering tank connector, and connector saw teeth which are the same in shape are arranged on the air respirator connector and the filtering tank connector. The full face mask is further provided with an oral-nasal mask matrix extending outwards from the full face mask, a cavity is arranged in the oral-nasal mask matrix, and a portion of the inner wall of the cavity, close to the end portion of the oral-nasal mask matrix, is provided with internal threads. A spring is arranged in the cavity and arranged to be concentric with the oral-nasal mask matrix. A locking block is arranged in the oral-nasal mask matrix and arranged at the back of the spring along the extending direction of the oral-nasal mask matrix, and locking block saw teeth are arranged at the front end and the back end of the locking block and meshed with the connector saw teeth. According to the full mask, corresponding connectors do not need to be provided for different air sources, and therefore cost burdens are eased, and rescue time is prolonged.
Description
Technical field
The utility model relates to a kind of interface arrangement, relates in particular to a kind of interface arrangement of full facepiece mask.
Background technology
Have the polluters such as pernicious gas, dust or malicious mist working environment in, often can resist these polluters with full facepiece mask, jeopardize even life-threatening safety of health to prevent it.
At present, the gas source of full facepiece mask, mainly contain filtered air and compressed air dual mode, for these two kinds of plenum systems, the full facepiece mask that needs respectively to have the corresponding interface coordinates with air respiratorresuscitator or filtering tank, so that gas can successfully be delivered in full facepiece mask, breathe for the user of service.
Therefore, for different plenum systems, just need to provide the full facepiece mask with distinct interface.So also just virtually increase the quantity of full facepiece mask, increased the weight of cost burden; Simultaneously also make the gas source in the rescue process limited, indirectly shortened rescue time.
For this situation, if a kind of common interface that can realize that interface is changed is fast arranged, just can realize interfaces different according to different source of the gas choice for uses on a full facepiece mask, in other words, be exactly the rescue personnel when implementing rescue, can be equipped with simultaneously air respiratorresuscitator and filtering tank, after Compressed Gas is used up, can quick-replaceable filter tank interface, realize that the rescue personnel utilizes filtered air to breathe, and has extended rescue time.
The utility model content
The purpose of this utility model is to provide a kind of full facepiece mask self-locking and exchanges interface, interface is exchanged in this full facepiece mask self-locking can be for different sources of the gas being connected of realization and air respiratorresuscitator or filtering tank respectively, and do not need to change full facepiece mask, thereby can realize the quick-replaceable of source of the gas.
In order to achieve the above object, the utility model provides a kind of full facepiece mask self-locking to exchange interface, it is connected by the air respiratorresuscitator interface with air respiratorresuscitator, perhaps be connected by the filtering tank interface with filtering tank, be equipped with the identical interface sawtooth of shape on this air respiratorresuscitator interface and filtering tank interface, this full facepiece mask self-locking is exchanged interface and is comprised:
One from the outwardly directed oronasal mask matrix of full facepiece mask, has a cavity in this oronasal mask matrix, and this cavity inner wall, close oronasal mask base end portion are provided with internal thread;
One spring is located in cavity, and arranges with the oronasal mask matrix is concentric;
One latch segment, it is located in the oronasal mask matrix, and is located at the spring rear along the direction that the oronasal mask matrix extends, and the rear end of this latch segment is provided with the latch segment sawtooth, and this latch segment sawtooth is set to and the interface engagement.
When the interface of air respiratorresuscitator or filtering tank is threaded connection in precession oronasal mask matrix, latch segment can be subject to effect and then the Compress Spring of axial force, then after the power that screws that the interface of air respiratorresuscitator or filtering tank applies disappears, latch segment just can be subject to the screen resilience of spring, make the interface sawtooth of air respiratorresuscitator or filtering tank and the engagement on latch segment, realize combination between interface and the purpose of self-locking; More during alias, as long as apply again one towards the axial force of full facepiece mask, counter-rotate simultaneously the interface of air respiratorresuscitator or filtering tank when needs, so just can realize separating of latch segment sawtooth and interface sawtooth, carry out the replacing of interface.
Further, also be provided with an outwardly directed boss on the rear end end face of latch segment, when needs more during alias, with the tight boss of hand, can be so that the applying of axial force, thus be convenient to realize separating of latch segment sawtooth and interface sawtooth.
Owing to having adopted technique scheme, full facepiece mask self-locking described in the utility model is exchanged interface than existing equipment, has the following advantages:
1. can realize the rapid exchange of interface on a full facepiece mask according to the situation of source of the gas, make when rescue and can select more neatly plenum system;
2. due to the replacing that can realize interface, make when rescue and can be equipped with simultaneously air respiratorresuscitator and filtering tank, after Compressed Gas is used up, can become the filtering tank interface by quick-replaceable, realize that the rescue personnel continues to utilize filtered air to breathe, and has extended rescue time;
3. have auto-lock function, make after alias more, full facepiece mask is more firm with coordinating of source of the gas, it is safer to use.
Description of drawings
Fig. 1 is that the front view of interface under a kind of embodiment exchanged in full facepiece mask self-locking described in the utility model.
Fig. 2 is the cutaway view at E-E place in Fig. 1.
Reference numeral:
1. full facepiece mask 2. oronasal mask matrix 3. spring 4. latch segment 5. air respiratorresuscitator interface 6. filtering tank interface 7. boss
The specific embodiment
Below will be further explained full facepiece mask self-locking exchange interface described in the utility model according to specific embodiment of the utility model and schematic diagram, but this explanation does not consist of restriction of the present utility model.
Fig. 1 is that the front view of interface under a kind of embodiment exchanged in full facepiece mask self-locking described in the utility model, and Fig. 2 is the cutaway view at E-E place in Fig. 1.
As depicted in figs. 1 and 2, in the present embodiment, full facepiece mask 1 can be connected by air respiratorresuscitator interface 5 with air respiratorresuscitator, also can be connected by filtering tank interface 6 with filtering tank, thereby realize the conversion of source of the gas.full facepiece mask 1 is provided with from the outwardly directed oronasal mask matrix 2 of full facepiece mask 1, has cavity in this oronasal mask matrix 2, this cavity inner wall, close oronasal mask matrix 2 ends are provided with internal thread, in order to coordinate the external screw thread of air respiratorresuscitator interface 5 and filtering tank interface 6, also be provided with the spring 3 with the concentric setting of oronasal mask matrix 2 in this cavity, the inside of this oronasal mask matrix 2 also is provided with latch segment 4, its direction of extending along oronasal mask matrix 2 is located at spring 3 rears, the rear end of this latch segment 4 is provided with the latch segment sawtooth, this latch segment sawtooth can with air respiratorresuscitator interface 5 and filtering tank interface 6 on the interface sawtooth mesh, also be provided with an outwardly directed boss 7 on the rear end end face of this latch segment.
Please continue to consult Fig. 1 and Fig. 2, when air respiratorresuscitator interface 5 or filtering tank interface 6 are threaded connection precession oronasal mask matrix 2 when interior, latch segment 4 can be subject to the effect of power spring 3 is compressed, after the power that screws that air respiratorresuscitator interface 5 or filtering tank interface 6 are subject to disappears, latch segment 4 can be subject to the elastic force of spring, make interface sawtooth on air respiratorresuscitator interface 5 or filtering tank interface 6 and the latch segment engagement on latch segment 4, realize the purpose of self-locking.When the needs exchange gas source, as long as live boss 7 with hand, just can realize interface sawtooth on air respiratorresuscitator interface 5 or filtering tank interface 6 and the clutch of the latch segment sawtooth on latch segment 4, counter-rotate air respiratorresuscitator interface 5 or filtering tank interface 6 this moment, just realized the replacing of source of the gas.
It should be noted that above cited embodiment only is specific embodiment of the utility model.Obviously the utility model is not limited to above embodiment, and the similar variation of thereupon making or distortion are that those skilled in the art can directly draw or be easy to from the disclosed content of the utility model and just associate, and all should belong to protection domain of the present utility model.
Claims (2)
1. interface is exchanged in a full facepiece mask self-locking, and it is connected by the air respiratorresuscitator interface with air respiratorresuscitator, perhaps is connected by the filtering tank interface with filtering tank, is equipped with the identical interface sawtooth of shape on described air respiratorresuscitator interface and filtering tank interface; It is characterized in that, described full facepiece mask self-locking is exchanged interface and is comprised:
One from the outwardly directed oronasal mask matrix of full facepiece mask, has a cavity in this oronasal mask matrix, and described cavity inner wall, close oronasal mask base end portion are provided with internal thread;
One spring is located in described cavity, and with concentric setting of described oronasal mask matrix;
One latch segment, it is located in described oronasal mask matrix, and is located at described spring rear along the direction that the oronasal mask matrix extends, and the rear end of described latch segment is provided with the latch segment sawtooth, and this latch segment sawtooth is set to and described interface engagement.
2. interface is exchanged in full facepiece mask self-locking as claimed in claim 1, it is characterized in that: also be provided with an outwardly directed boss on the rear end end face of described latch segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407597 CN202920854U (en) | 2012-08-17 | 2012-08-17 | Self-locking interchanging connector of full face mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407597 CN202920854U (en) | 2012-08-17 | 2012-08-17 | Self-locking interchanging connector of full face mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202920854U true CN202920854U (en) | 2013-05-08 |
Family
ID=48210847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220407597 Expired - Fee Related CN202920854U (en) | 2012-08-17 | 2012-08-17 | Self-locking interchanging connector of full face mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202920854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108030169A (en) * | 2018-01-24 | 2018-05-15 | 山东康力医疗器械科技有限公司 | A kind of mask with nano electrostatic spinning layer and preparation method thereof |
-
2012
- 2012-08-17 CN CN 201220407597 patent/CN202920854U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108030169A (en) * | 2018-01-24 | 2018-05-15 | 山东康力医疗器械科技有限公司 | A kind of mask with nano electrostatic spinning layer and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103550875B (en) | Anti-poison dust-proof mask | |
| CN202920854U (en) | Self-locking interchanging connector of full face mask | |
| CN207838053U (en) | A kind of combination type air respiratory protection system | |
| CN205697896U (en) | A kind of portable nasal cavity fast hemostasis device | |
| CN203137095U (en) | Active carbon fiber non-woven mask | |
| CN203989383U (en) | Noninvasive ventilator face shield Head And Face protector | |
| CN108381095A (en) | A kind of pneumatic briquetting fast replacing device of multifunction flexible | |
| CN203860500U (en) | Dust mask for coal mine | |
| CN201848031U (en) | Practical dustproof anti-toxin breathing system | |
| CN203835930U (en) | Rapid-installation type suction cup | |
| CN205197122U (en) | Sun -proof safety helmet for personnel dust protection | |
| CN104460874A (en) | Mainframe box with air purifying function | |
| CN204823553U (en) | Elevator remote control system | |
| CN205303837U (en) | Injection pump power line dropout prevention means | |
| CN202010377U (en) | Breathing mask assembly | |
| CN203211508U (en) | Diving mask | |
| CN205127043U (en) | A artifical mechanichal respirator for first aid | |
| CN205145844U (en) | Detachable compound air filter | |
| CN203915814U (en) | Fireman fire scene breathing equipment | |
| CN201453868U (en) | Positive-pressure air respirator | |
| CN204245589U (en) | A kind of modular integrated kitchen range kitchen range top | |
| CN104512129A (en) | Printer with air purifying function | |
| CN204134077U (en) | A kind of dust mask | |
| CN216057734U (en) | Instrument controller with dustproof effect | |
| CN205692077U (en) | The fixing device of environmental data supervising device in booth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20200817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |