CN108295395A - Spherical chemical experiment breathing mask - Google Patents
Spherical chemical experiment breathing mask Download PDFInfo
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- CN108295395A CN108295395A CN201810091628.5A CN201810091628A CN108295395A CN 108295395 A CN108295395 A CN 108295395A CN 201810091628 A CN201810091628 A CN 201810091628A CN 108295395 A CN108295395 A CN 108295395A
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- filter
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- movable part
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- movable
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a kind of spherical chemical experiment breathing masks, eye protection portion, filter poison portion and respiratory region are provided on mask body, it further include the malicious device of spare filter, the malicious device of spare filter is arranged in the annular chamber of mask body interior, annular chamber is circumferentially disposed along mask body, annular groove is provided in annular chamber, the malicious device of spare filter includes sliding equipment and the malicious part of filter, and sliding equipment can drive the malicious part of filter to be slided along annular groove；The madial wall and lateral wall of mask body are run through in the malicious channel of filter for filtering poison portion, canister is connected on the malicious channel of filter, it is internal channel and outer tunnel that annular chamber, which traverses the malicious channel of filter and will filter malicious channel partition, the first movable part is provided on internal channel, the second movable part is provided on outer tunnel, the first movable part and the second movable part can move to the first operating position and the second operating position along internal channel and outer tunnel respectively.Breathing mask provided by the invention, the malicious device of spare filter can in case of emergency be filtered air, it is ensured that the safety of wearer.
Description
Technical field
The present invention relates to breathing masks, and in particular to a kind of spherical shape chemical experiment breathing mask.
Background technology
Breathing mask is personal extraordinary articles for labour protection and individual soldier protection articles for use, is worn on the head, protects the breathing of people
Organ, eyes and face, the personal protection for preventing the noxious materials such as poison gas, dust, bacterium, toxic and harmful gas or steam from injuring
Equipment.Breathing mask is widely used in oil, chemical industry, mine, metallurgy, military affairs, fire-fighting, rescue and relief work, health and epidemic prevention and science and technology
The fields such as environmental protection, machine-building, and can also play important individual in the more serious city of haze, photochemical fog and exhale
Desorption system protective effect.
Spherical breathing mask as a kind of common breathing mask, be typically provided on mask body canister into
Row filtering, gas are delivered to inside mask body to breathe for wearer after filtering by canister and use, and wearer is using anti-
When malicious mask is worked, if when the filtering of canister load or canister break down, it will influence to gas
Filter effect, or even gas can not can be filtered, since the environment for wearing breathing mask work is complicated, filter poison is replaced at this time
Often there is security risk in tank, or even can be to wearing this damage that cause the person, it is therefore desirable to which a kind of breathing mask is such
In the case of can ensure the safety of wearer.
Invention content
The object of the present invention is to provide a kind of spherical chemical experiment breathing masks, to solve deficiency in the prior art
Place.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of spherical shape chemical experiment breathing mask, including mask body are provided with eye protection portion, filter poison on the mask body
Portion and respiratory region are connected with canister in the filter poison portion, further include the malicious device of spare filter, the madial wall of the mask body and
Annular chamber is provided between lateral wall, the malicious device of spare filter is arranged in the annular chamber, and the annular chamber is along the face
It is circumferentially disposed to have ontology, annular groove is provided in the annular chamber, the malicious device of spare filter includes sliding equipment and filter poison
Part, the sliding equipment can drive the malicious part of the filter to be slided along the annular groove；The filter poison portion includes the malicious channel of filter, described
The madial wall and lateral wall of the mask body are run through in the malicious channel of filter, and the canister is connected on the malicious channel of the filter, described
It is internal channel and outer tunnel that annular chamber, which traverses the malicious channel of the filter by the malicious channel partition of the filter, and the is provided on the internal channel
One movable part is provided with the second movable part on the outer tunnel, and first movable part and the second movable part can be respectively along described
Internal channel and outer tunnel move to the first operating position and the second operating position；It lives in first operating position, described first
Moving part and the second movable part are connected to each other so that the internal channel to be connected with outer tunnel, in second operating position, described
The insertion gap that formation one is embedded in for the malicious part of the filter between one movable part and the second movable part, and the outer tunnel, the second work
The filter poison channel that moving part, the malicious part of filter, the first movable part and inner channel-shaped are sealed at one；
The material of the mask body is plastics or rubber.
Above-mentioned spherical chemical experiment breathing mask, the sliding equipment include arc draw runner and sliding block, and the sliding block has
Multiple, the one side in the arc draw runner is arranged in multiple sliding blocks, and the sliding block is limited in the annular groove.
Above-mentioned spherical chemical experiment breathing mask, further includes press part, and the malicious part of the filter is arranged in the arc draw runner
Upside, the malicious part at least two of the filter is respectively connected with press part, first movable part and second on each filter poison part
Actuator is connected on movable part, the press part can compress the actuator to drive first movable part and the second activity
Part moves to the second operating position from first operating position.
Above-mentioned spherical chemical experiment breathing mask, the press part are fixed on the top of the malicious part of the filter by connecting rod,
The positioning region of arc is both provided on the press part medial surface and lateral surface, the both ends of the press part are both provided with taper
Pressure section.
Above-mentioned spherical chemical experiment breathing mask, the annular chamber are located at the side wall above the internal channel and outer tunnel
On be provided with holding tank, the actuator is located in the holding tank, and the actuator includes elastic component and snap close piece, the bullet
Property part one end is fixed on the side wall of the holding tank, and the snap close piece is connected to the other end of the elastic component.
Above-mentioned spherical chemical experiment breathing mask, the free end of the snap close piece is provided with inclined surface, described in two
The inclined surface of snap close piece forms the insertion groove being inserted into for the pressure section.
Above-mentioned spherical chemical experiment breathing mask, first movable part include the first connecting cylinder, second activity
Part includes the second connecting cylinder, and the internal channel is provided with interior movable chamber close to the side of the annular chamber, and the outer tunnel is close
The side of the annular chamber is provided with outer movable chamber, and one end of first connecting cylinder and the second connecting cylinder is respectively sleeved at described
In interior movable chamber and outer movable chamber.
Above-mentioned spherical chemical experiment breathing mask, first connecting cylinder and the second connecting cylinder are each attached to the lock
The lower section of part, the snap close piece can drive first connecting cylinder and the second connecting cylinder respectively along the interior movable chamber and outer activity
Chamber moves reciprocatingly；The side of first connecting cylinder is provided with concave part, and the side of second connecting cylinder is correspondingly arranged on
Lug boss, the lug boss can be embedded in the concave part so that first connecting cylinder and the second connecting cylinder to be connected.
Above-mentioned spherical chemical experiment breathing mask is connected on the malicious part of the filter and stirs item, set on the mask body
Be equipped with the arc opening slot being connected with the annular chamber, it is described stir item and be located to be provided at the arc opening slot stir
Portion, on the arc opening slot rotation be provided with arc seals
In the above-mentioned technical solutions, a kind of spherical chemical experiment breathing mask provided by the invention is arranged on mask body
There are eye protection portion, filter poison portion and respiratory region, canister is connected in the filter poison portion, further includes the malicious device of spare filter, mask body
Madial wall and lateral wall between be provided with annular chamber, the malicious device of spare filter is arranged inside annular chamber, spare filter poison device packet
Include sliding equipment and the malicious part of filter, filter poison portion includes the malicious channel of filter, filter malicious channel be located in annular chamber be provided with the first movable part with
Second movable part, under normal circumstances, the first movable part and the malicious channel of the second movable part connection filter carry out air by canister
Filtration treatment is delivered to inside mask body, when wearer has found the filtering of canister load or break down to lead to not to gas
When carrying out normal filtration, the malicious part of filter is driven to be embedded between the first movable part and the second movable part by sliding equipment, by filtering poison
Part to air be filtered processing after be delivered to inside mask body, so can in the case of burst can quickly to filter poison
Part switches over, so that it is guaranteed that the safety of wearer, and multiple filters malicious part can be set inside annular chamber, increase spare filter poison dress
The usage time set.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only one described in the present invention
A little embodiments, for those of ordinary skill in the art, other drawings may also be obtained based on these drawings.
Fig. 1 is one of the structural schematic diagram of spherical chemical experiment breathing mask provided in an embodiment of the present invention；
Fig. 2 is the second structural representation of spherical chemical experiment breathing mask provided in an embodiment of the present invention；
Fig. 3 is the sectional view of spherical chemical experiment breathing mask provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram in filter poison portion provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of press part provided in an embodiment of the present invention.
Reference sign：
1, mask body；1.1, eye protection portion；1.2, respiratory region；1.3, annular chamber；1.4, annular groove；1.5, arc opening
Slot；1.6, arc seals；2, filter poison portion；2.1, internal channel；2.1.1, interior movable chamber；2.2, outer tunnel；2.2.1, outer activity
Chamber；2.3, the first movable part；2.3.1, concave part；2.4, the second movable part；2.4.1, lug boss；2.5, holding tank；2.6, it drives
Moving part；2.6.1, elastic component；2.6.2, snap close piece；2.6.3, inclined surface；3, malicious device is filtered；3.1, arc draw runner；3.2, sliding block；
3.3, press part；3.3.1, positioning region；3.3.2, pressure section；3.4, item is stirred；3.5, clicking section；3.6, malicious part is filtered.
Specific implementation mode
In order to make those skilled in the art more fully understand technical scheme of the present invention, below in conjunction with attached drawing to this hair
It is bright to be further detailed.
As shown in Figs. 1-5, a kind of spherical chemical experiment breathing mask provided in an embodiment of the present invention, including mask body 1,
It is provided with eye protection portion 1.1, filter poison portion 2 and respiratory region 1.2 on mask body 1, is connected with canister in filter poison portion 2, further includes standby
With the malicious device 3 of filter, annular chamber 1.3 is provided between the madial wall and lateral wall of mask body 1, the malicious setting of device 3 of spare filter exists
In annular chamber 1.3, annular chamber 1.3 is circumferentially disposed along mask body 1, and annular groove 1.4, spare filter are provided in annular chamber 1.3
Malicious device 3 includes sliding equipment and the malicious part 3.6 of filter, and sliding equipment can drive the malicious part 3.6 of filter to be slided along annular groove 1.4；Filter poison
Portion 2 includes the malicious channel of filter, filters madial wall and lateral wall that mask body 1 is run through in malicious channel, and canister is connected on the malicious channel of filter,
It is internal channel 2.1 and outer tunnel 2.2 that annular chamber 1.3, which traverses the malicious channel of filter and will filter malicious channel partition, and the is provided on internal channel 2.1
One movable part 2.3 is provided with the second movable part 2.4 on outer tunnel 2.2, and the first movable part 2.3 and the second movable part 2.4 can be distinguished
The first operating position and the second operating position are moved to along internal channel 2.1 and outer tunnel 2.2；It lives in the first operating position, first
Moving part 2.3 and the second movable part 2.4 are connected to each other closely to connect internal channel 2.1 and outer tunnel 2.2, in the second operating position,
It is formed between first movable part 2.3 and the second movable part 2.4 and filters the insertion gap that malicious part 3.6 is embedded in altogether, and outer tunnel 2.2,
First movable part 2.3, the malicious part 3.6 of filter, the second movable part 2.4 and internal channel 2.1 form the filter poison channel of a sealing.The face
The material for having ontology is plastics or rubber
Specifically, mask body 1 is a spherical mask, mask body 1 covers the face of user to protect face not
It is encroached on by noxious material, while allowing air circulation, and ensure the visual field of user, eye protection portion is provided on mask body 1
1.1, eye protection portion 1.1 is arranged on the top of mask body 1, and the visual field for ensureing user is provided with filter on mask body 1
Malicious portion 2,；It includes canister mounting portion to filter poison portion 2, is installed to canister by canister mounting portion, under mask body 1
Portion is additionally provided with respiratory region 1.2, and respiratory region 1.2 can be spiracle, respiration channel or respiratory siphon, will be worn by respiratory region 1.2
With person exhalation air discharge, unidirectional exhalation valve is provided in the input end of respiratory region 1.2,1.2 outlet end of respiratory region also
Dust cover is may be provided with, the malicious device 3 of spare filter is additionally provided on mask body 1, spare filter poison device 3 event is occurring when canister
It is used in the case that barrier or filter toxic effect fruit are poor, spare filter poison device 3 can be the filter core of thinner thickness or round mistake
Part is filtered, annular chamber 1.3 is provided between the madial wall and lateral wall of mask body 1, annular chamber 1.3 is set around mask body 1
It sets, annular chamber 1.3 is a sealed chamber being arranged in 1 interior of mask body, and annular groove is provided in annular chamber 1.3
1.4, annular groove 1.4 is circumferentially disposed along annular chamber 1.3, and filter poison portion 2 includes the malicious channel of filter, and annular chamber 1.3 will filter malicious channel
It is divided into internal channel 2.1 and outer tunnel 2.2, annular groove 1.4 is located at the lower section of internal channel 2.1, and filter poison portion 2 includes sliding equipment
With the malicious part 3.6 of filter, it is the filtration members to match with 1 shape of mask body to filter malicious part 3.6, and it can be round to filter malicious part 3.6
Or the filtration members of arc, sliding equipment include sliding part, sliding part can be sliding block 3.2 or other structures, pass through sliding
Portion is slided along annular groove 1.4 to drive the malicious part 3.6 of filter to be slided along sliding slot, and sliding equipment further includes shifting part or control piece,
By the controllable sliding for filtering malicious part 3.6 of shifting part and control piece, filters and be provided with the work of the first movable part 2.3 and second in malicious channel
Moving part 2.4, the first movable part 2.3 are arranged on internal channel 2.1, and the second movable part 2.4 is arranged on outer tunnel 2.2, and first lives
Moving part 2.3 and the second movable part 2.4 can be connecting cylinder or connecting tube, and the first movable part 2.3 and the second movable part 2.4 can edges
The axis direction of internal channel 2.1 and outer tunnel 2.2 moves back and forth between the first operating position and the second operating position, and when the
When one movable part 2.3 and the second movable part 2.4 are located at the first operating position and the second operating position, the first movable part 2.3 and
It is tightly connected between two movable parts 2.4 and internal channel 2.1 and outer tunnel 2.2, such as in internal channel 2.1 and outer tunnel 2.2
Interior movable chamber 2.1.1 and outer movable chamber 2.2.1 are respectively set on side wall, interior movable chamber 2.1.1 and outer movable chamber 2.2.1 are around interior
Channel 2.1 and outer tunnel 2.2 are arranged, the first movable part 2.3 and the second movable part 2.4 difference inner sleeve in interior movable chamber 2.1.1 and
In outer movable chamber 2.2.1, when the first movable part 2.3 and the second movable part 2.4 are moved along internal channel 2.1 and outer tunnel 2.2 respectively
When to the first operating position, the free end of the first movable part 2.3 and the second movable part 2.4 is connected to each other, so that internal channel 2.1
It is tightly connected between outer tunnel 2.2, air is filtered by canister at this time, filtered air passes through outer tunnel
2.2, the ventilating part and internal channel 2.1 of the first movable part 2.3 and the second movable part 2.4 are delivered to inside mask body 1, for wearing
Band person uses, when the first movable part 2.3 and the second movable part 2.4 move to the second work along internal channel 2.1 and outer tunnel 2.2 respectively
When making position, an embedded gap is formed between the first movable part 2.3 and the opposite side of the second movable part 2.4 at this time, filter is malicious
Part 3.6 can be embedded in embedded gap, and closely be connected between the first movable part 2.3 and the second movable part 2.4 and filter poison part 3.6
It connects, is used to, when canister breaks down or filters the poor situation of toxic effect fruit, processing is filtered to air at this time, it at this time can be with
Canister is disassembled, can not also be dismantled, air is delivered to the second movable part 2.4 by outer tunnel 2.2, through the malicious part of filtering
It is delivered to inside mask body 1 by the first movable part 2.3 and internal channel 2.1 after 3.6 filtration treatments and is used for wearer.
A kind of spherical chemical experiment breathing mask provided in an embodiment of the present invention is provided with eye protection portion on mask body 1
1.1, filter poison portion 2 and respiratory region 1.2 are filtered and are connected with canister in poison portion 2, further include the malicious device 3 of spare filter, mask body 1
Annular chamber 1.3 is provided between madial wall and lateral wall, the malicious device 3 of spare filter is arranged inside annular chamber 1.3, spare filter poison dress
It includes sliding equipment and filter poison part 3.6 to set 3, and filter poison portion 2 includes the malicious channel of filter, and the malicious channel of filter, which is located in annular chamber 1.3, to be provided with
First movable part 2.3 and the second movable part 2.4, under normal circumstances, the first movable part 2.3 are connected to filter poison with the second movable part 2.4
Channel is filtered processing to air by canister and is delivered to inside mask body 1, when wearer has found canister load mistake
When filter or failure are led to not to gas progress normal filtration, passes through sliding equipment and the malicious part 3.6 of filter is driven to be embedded in the first work
Between moving part 2.3 and the second movable part 2.4, it is delivered in mask body 1 after being filtered processing to air by the malicious part 3.6 of filter
Portion quickly can so switch over the malicious part of filter 3.6 in the case of burst, so that it is guaranteed that the safety of wearer, and ring
Multiple filters malicious part 3.6 can be set inside shape chamber 1.3, increase the usage time of spare filter poison device 3.
In the present embodiment, it is preferred that sliding equipment includes arc draw runner 3.1 and sliding block 3.2, sliding block 3.2 have it is multiple, it is multiple
The one side in arc draw runner 3.1 is arranged in sliding block 3.2, and sliding block 3.2 is limited in annular groove 1.4；Further include press part 3.3,
The upper side in arc draw runner 3.1 is arranged in filter poison part 3.6, filters malicious part 3.6 at least two, is respectively connected on each filter poison part 3.6
It is connected with actuator 2.6 on press part 3.3, the first movable part 2.3 and the second movable part 2.4, press part 3.3 can compress actuator
2.6 so that the first movable part 2.3 and the second movable part 2.4 move to the second operating position from the first operating position.Arc is slided
The length of item 3.1 is less than the half of track length, filters malicious part 3.6 and is connected on the upper side of arc draw runner 3.1, press part 3.3
It is connected with the malicious part of filter 3.6, and positioned at the top of the malicious part of filter 3.6, press part 3.3 can be press block or other structures,
When sliding block 3.2 is moved along annular groove 1.4, the malicious part 3.6 of draw runner, filter and press part 3.3 is driven to be transported together along annular groove 1.4
Dynamic, the first movable part 2.3 and the second movable part 2.4 are blocked in the movement travel of filter poison part 3.6, when filter poison part 3.6 moves to
It is that press part 3.3 compresses actuator 2.6 at first movable part 2.3 and the second movable part 2.4, actuator 2.6 drives the first activity
Part 2.3 and the second movable part 2.4 move to the second operating position from the first operating position, at this time the first movable part 2.3 and second
An insertion gap being embedded in for the malicious part 3.6 of filter is formed between movable part 2.4, filter malicious part 3.6 can be embedded in embedded gap with it is interior
Channel 2.1, outer tunnel 2.2 form the malicious channel of a filter, when the continuation of sliding block 3.2 is moved along annular groove 1.4, press part 3.3
Continue to compress actuator 2.6, so that filter poison part 3.6 can leave embedded gap, after filter poison part 3.6 leaves embedded gap,
First movable part 2.3 and the second movable part 2.4 move to the first working position under the action of actuator 2.6 from the second operating position
It sets, so that forming the malicious channel of a filter between canister, outer tunnel 2.2 and internal channel 2.1.
In the present embodiment, it is preferred that press part 3.3 is fixed on the top of the malicious part of filter 3.6 by connecting rod, in press part 3.3
The positioning region 3.3.1 of arc is both provided on side and lateral surface, the both sides of press part 3.3 are both provided with the pressure section of taper
3.3.2；The positioning region 3.3.1 of 3.3 medial surface of press part is corresponding with the actuator 2.6 on the first movable part 2.3, press part
The positioning region 3.3.1 of 3.3 lateral surfaces is corresponding with the actuator 2.6 on the second movable part 2.4, when press part 3.3 is with sliding block
3.2 along annular groove 1.4 when moving, and pressure section 3.3.2 can compress driving portion and make the first movable part 2.3 and the second movable part
2.4 move to the second operating position from the first operating position, when the malicious part 3.6 of filter is embedded in the first movable part 2.3 and the second movable part
When insertion gap between 2.4, the driving portion on the first movable part 2.3 and the second movable part 2.4, which forms positioning, to be fixed.
In the present embodiment, it is preferred that annular chamber 1.3, which is located on the side wall of 2.2 top of internal channel 2.1 and outer tunnel, to be provided with
Holding tank 2.5, actuator 2.6 are located in holding tank 2.5, and actuator 2.6 includes elastic component 2.6.1 and snap close piece 2.6.2, elasticity
The one end part 2.6.1 is fixed on the side wall of holding tank 2.5, and snap close piece 2.6.2 is connected to the other side of elastic component 2.6.1；Lock
The free end of part 2.6.2 is provided with inclined surface 2.6.3, and the inclined surface 2.6.3 of two snap close piece 2.6.2 is formed for pressure section 3.3.2
The insertion groove of insertion.When press part 3.3 is moved with sliding block 3.2 along annular groove 1.4, filters malicious part 3.6 and move to the first activity
At part 2.3 and the second movable part 2.4, pressure section 3.3.2 is inserted into insertion groove so that snap close piece 2.6.2 is respectively to holding tank 2.5
Internal motion so that snap close piece 2.6.2 compresses elastic component 2.6.1, elastic component 2.6.1 can be compressed spring or other
Structure filters the malicious insertion of part 3.6 first at this time until the first movable part 2.3 and the second movable part 2.4 move to the second operating position
Between movable part 2.3 and the second movable part 2.4, and it is tightly connected between the first movable part 2.3 and the second movable part 2.4, with
Afterwards after the malicious continuation of part 3.6 of filter moves from embedded gap with sliding block 3.2 along annular groove 1.4, the first movable part 2.3 and second
Movable part 2.4 restores from the second operating position to the first operating position under the action of elastic component 2.6.1.
In the present embodiment, it is preferred that the first movable part 2.3 includes the first connecting cylinder, and the second movable part 2.4 includes the second company
Connect cylinder, internal channel 2.1 are provided with interior movable chamber 2.1.1 close to the side of annular chamber 1.3, and outer tunnel 2.2 is close to annular chamber 1.3
Side is provided with outer movable chamber 2.2.1, one end of the first connecting cylinder and the second connecting cylinder be respectively sleeved at interior movable chamber 2.1.1 and
In outer movable chamber 2.2.1；First connecting cylinder and the second connecting cylinder are each attached to the lower section of snap close piece 2.6.2, and snap close piece 2.6.2 can
The first connecting cylinder and the second connecting cylinder is driven to move reciprocatingly respectively along interior movable chamber 2.1.1 and outer movable chamber 2.2.1；First connects
The side of connect cylinder is provided with concave part 2.3.1, and the side of the second connecting cylinder is correspondingly arranged on lug boss 2.4.1, lug boss 2.4.1
It can be embedded in concave part 2.3.1 so that the first connecting cylinder and the second connecting cylinder to be tightly connected.Interior movable chamber 2.1.1 is around internal channel
2.1 end sidewalls setting, outer movable chamber 2.2.1 are arranged around the end sidewalls of outer tunnel 2.2, and the first connecting cylinder and second connects
Equal inner sleeve is connect in interior movable chamber 2.1.1 and outer movable chamber 2.2.1, and can be done along interior movable chamber 2.1.1 and outer movable chamber 2.2.1
It moves back and forth, so that close connection between the first connecting cylinder and the second connecting cylinder and internal channel 2.1 and outer tunnel 2.2,
Air is avoided to enter in annular chamber 1.3, in order to increase the close connection between the first connecting cylinder and the second connecting cylinder, first
Concave part 2.3.1 is provided on connecting cylinder, concave part 2.3.1 is circumferentially disposed along a side end of the first connecting cylinder, concave part
2.3.1 it is an annular groove, the second connected lug boss 2.4.1 is the annular protrusion being correspondingly arranged, and annular protrusion can be embedding
Enter to which the first connecting cylinder and the second connecting cylinder to be tightly connected in annular groove, while being connected to filter malicious part 3.6 and first
It can be tightly connected between cylinder and the second connecting cylinder, lug boss 2.4.1 and groove can be also correspondingly arranged in the side of filter poison part 3.6
Portion 2.3.1.
In the present embodiment, it is preferred that be connected on filter poison part 3.6 and stir item 3.4, be provided on mask body 1 and annular
The arc opening slot 1.5 that chamber 1.3 is connected, stirs item 3.4 and is located at arc opening slot 1.5 and be provided with clicking section 3.5, and arc is opened
Rotation is provided with arc seals 1.6 on mouth slot 1.5；The length of arc opening slot 1.5 be more than between the malicious parts of two filters 3.6 away from
From so that being located in arc opening slot 1.5 there are one clicking section 3.5 always, sliding block 3.2 can be driven by clicking section 3.5
It is slided along sliding slot, so that filter poison part 3.6 is embedded between the first movable part 2.3 and the second movable part 2.4, then passes through arc
Shape sealing element 1.6 can be sealed arc opening slot 1.5.
Above certain exemplary embodiments that the present invention is only described by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain without departing from the spirit and scope of the present invention can be with a variety of different modes to institute
The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention
The limitation of claims.
Claims (9)
1. a kind of spherical shape chemical experiment breathing mask, including mask body, eye protection portion, filter poison portion are provided on the mask body
And respiratory region, canister is connected in the filter poison portion, which is characterized in that further includes the malicious device of spare filter, the mask body
Madial wall and lateral wall between be provided with annular chamber, the malicious device of spare filter is arranged in the annular chamber, the annular
Chamber is circumferentially disposed along the mask body, annular groove is provided in the annular chamber, the malicious device of spare filter includes sliding
Mechanism and the malicious part of filter, the sliding equipment can drive the malicious part of the filter to be slided along the annular groove；
The filter poison portion includes the malicious channel of filter, and the madial wall and lateral wall of the mask body are run through in the malicious channel of filter, described
Canister is connected on the malicious channel of the filter, and it is interior logical that the annular chamber, which traverses the malicious channel of the filter by the malicious channel partition of the filter,
Road and outer tunnel are provided with the first movable part on the internal channel, are provided with the second movable part on the outer tunnel, and described first
Movable part and the second movable part can move to the first operating position and the second operating position along the internal channel and outer tunnel respectively；
In first operating position, first movable part and the second movable part are connected to each other so that the internal channel to be connected with outer tunnel
It is logical, one is formed between second operating position, first movable part and the second movable part for the malicious part insertion of the filter
Embedded gap, and the outer tunnel, the second movable part, the malicious part of filter, the first movable part and inner channel-shaped are at the filter sealed a poison
Channel；
The material of the mask body is plastics or rubber.
2. spherical shape chemical experiment breathing mask according to claim 1, which is characterized in that the sliding equipment includes arc
Draw runner and sliding block, the sliding block have multiple, and multiple sliding blocks are arranged the one side in the arc draw runner, the sliding block limitation
In the annular groove.
3. spherical shape chemical experiment breathing mask according to claim 2, which is characterized in that further include press part, the filter
Malicious part, which is arranged to be respectively connected on the upside of the arc draw runner, the malicious part at least two of the filter, each malicious part of the filter, to be compressed
Part is connected with actuator on first movable part and the second movable part, and the press part can compress the actuator to drive
First movable part and the second movable part move to the second operating position from first operating position.
4. spherical shape chemical experiment breathing mask according to claim 3, which is characterized in that the press part is solid by connecting rod
It is scheduled on the top of the malicious part of the filter, the positioning region of arc is both provided on the press part medial surface and lateral surface, it is described to compress
The both ends of part are both provided with the pressure section of taper.
5. spherical shape chemical experiment breathing mask according to claim 4, which is characterized in that the annular chamber is located in described
Holding tank is provided on side wall above channel and outer tunnel, the actuator is located in the holding tank, the actuator packet
Elastic component and snap close piece are included, described elastic component one end is fixed on the side wall of the holding tank, and the snap close piece is connected to described
The other end of elastic component.
6. spherical shape chemical experiment breathing mask according to claim 5, which is characterized in that the freedom of the snap close piece
End is provided with inclined surface, and the inclined surface of two snap close pieces forms the insertion groove being inserted into for the pressure section.
7. spherical shape chemical experiment breathing mask according to claim 1, which is characterized in that first movable part includes the
One connecting cylinder, second movable part include the second connecting cylinder, and the internal channel is provided with interior close to the side of the annular chamber
Movable chamber, the outer tunnel are provided with outer movable chamber, first connecting cylinder and the second connection close to the side of the annular chamber
One end of cylinder is respectively sleeved in the interior movable chamber and outer movable chamber.
8. spherical shape chemical experiment breathing mask according to claim 7, which is characterized in that first connecting cylinder and second
Connecting cylinder is each attached to the lower section of the snap close piece, and the snap close piece can drive first connecting cylinder and the second connecting cylinder to distinguish
It moves reciprocatingly along the interior movable chamber and outer movable chamber；
The side of first connecting cylinder is provided with concave part, and the side of second connecting cylinder is correspondingly arranged on lug boss, institute
Stating lug boss can be embedded in the concave part so that first connecting cylinder and the second connecting cylinder to be connected.
9. spherical shape chemical experiment breathing mask according to claim 1, which is characterized in that be connected with and dial on the malicious part of the filter
Item is moved, is provided with the arc opening slot being connected with the annular chamber on the mask body, the item of stirring is located at the arc
It is provided with clicking section at shape open slot, is rotated on the arc opening slot and is provided with arc seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091628.5A CN108295395A (en) | 2018-01-30 | 2018-01-30 | Spherical chemical experiment breathing mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091628.5A CN108295395A (en) | 2018-01-30 | 2018-01-30 | Spherical chemical experiment breathing mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108295395A true CN108295395A (en) | 2018-07-20 |
Family
ID=62867516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810091628.5A Withdrawn CN108295395A (en) | 2018-01-30 | 2018-01-30 | Spherical chemical experiment breathing mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108295395A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111671183A (en) * | 2020-06-18 | 2020-09-18 | 佛山市高明区(中国科学院)新材料产业研究院 | Mask adopting nano filtering material |
-
2018
- 2018-01-30 CN CN201810091628.5A patent/CN108295395A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111671183A (en) * | 2020-06-18 | 2020-09-18 | 佛山市高明区(中国科学院)新材料产业研究院 | Mask adopting nano filtering material |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180720 |
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| WW01 | Invention patent application withdrawn after publication |