CN205108058U - Hasp cooperation structure and electronic air purification respirator - Google Patents
Hasp cooperation structure and electronic air purification respirator Download PDFInfo
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- CN205108058U CN205108058U CN201520248716.3U CN201520248716U CN205108058U CN 205108058 U CN205108058 U CN 205108058U CN 201520248716 U CN201520248716 U CN 201520248716U CN 205108058 U CN205108058 U CN 205108058U
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Abstract
The utility model discloses a hasp cooperation structure of the electronic air purification respirator of auto -changing shade welding face guard, electronic air purification respirator includes casing and battery device, be formed with the battery tray on the casing, via hasp cooperation structure, the battery device can be installed in the battery tray with dismantling, hasp cooperation structure includes four pair at least slip connected structure and locking structure that sets up that forms respectively in the battery device on battery device and battery tray, each slides connected structure to can be through relative slip each other and joint or break away from the joint, the locking structure including the button and via the button can the actuator disk the spring bolt, the moving direction of spring bolt is perpendicular with slip connected structure's slip direction, at slip connected structure to after relative movement takes one's place each other, the spring bolt contacts with the backstop face of battery tray, to slide connected structure to the locking. The utility model also discloses an auto -changing shade that is used for who is equipped with this hasp cooperation structure welds the electronic air purification respirator of face guard.
Description
Technical field
The present invention relates generally to the battery snap fit structure of the powered air purifying respirator for welding mask, especially Auto-changing Shade Welding Mask Made.
Background technology
Welding mask, especially Auto-changing Shade Welding Mask Made extensively adopt at welding scene for the object of security protection.Auto-changing Shade Welding Mask Made is equipped with automatic beam change filter substantially.The cardinal principle of automatic beam change filter is equipped with liquid crystal panel, and before the welding starting the arc, liquid crystal panel is transparent, is transformed into opaque state at the moment liquid crystal panel of the starting the arc, thus provide protection for the eyes of operator.Usual this automatic beam change filter is equipped with adjusting knob or button, before use welding mask, operator must take off the operating parameter such as such as sensitivity, time delay, shade number, welding manner of face shield to automatic beam change filter and regulates, and then wears face shield and carry out welding operation.
In order to ensure welding mask when covering wearer's face completely wearer can eupnea and/or in the severe environment such as such as dust for the wearer carrying out weld job provides protection, powered air purifying respirator is equipped with usually also for welding mask, especially Auto-changing Shade Welding Mask Made.This powered air purifying respirator communicates with welding mask via flexible pipe, and outside air, via delivering in face shield by the air pump in respiratory organ after respiratory organ purification, breathes clean air for wearer.
The air pump of this powered air purifying respirator is via rechargeable battery powered.Rechargeable battery is removably placed on the battery holder of powered air purifying respirator.Junction point negligible amounts between traditional rechargeable battery and battery holder, the problem that battery in welding process likely can be caused to come off due to carelessness operation, making just cannot eupnea or breathe harmful gas the workman of operation, causes personal injury.In addition, this powered air purifying respirator is worn on wearer's waist of welding mask usually, change because job requirements needs wearer to take off rechargeable battery sometimes while wearing respiratory organ, if therefore rechargeable battery can so that wearer takes off or installs will contribute to the working performance raising of site operation personnel.
Summary of the invention
For above problem, the invention provides the snap fit structure of the improvement between a kind of rechargeable battery of the powered air purifying respirator for Auto-changing Shade Welding Mask Made and battery holder, thus the higher and user of the locking reliability of rechargeable battery can dismounting rechargeable battery more easily.
According to an aspect of the present invention, provide a kind of snap fit structure of the powered air purifying respirator for Auto-changing Shade Welding Mask Made, described powered air purifying respirator comprises housing and cell apparatus, described housing is formed with battery holder, via described snap fit structure, described cell apparatus can releasably be arranged in described battery holder, it is characterized in that, described snap fit structure be included in described cell apparatus and described battery holder are formed respectively at least four to being slidably engaged structure and a latch-up structure arranged in described cell apparatus, structure is slidably engaged to engaging by sliding relative to one another or be disengaged described in each, the dead bolt that described latch-up structure comprises button and can activate via described button, the moving direction of described dead bolt is vertical with the described glide direction being slidably engaged structure, described be slidably engaged structure to move relative to each other in place after, described dead bolt contacts with the stop surface of described battery holder, by the described structure that is slidably engaged to locking.Especially, this stop surface is vertical with the described glide direction being slidably engaged structure.
Preferably, described cell apparatus comprises housing, is slidably engaged structure and described latch-up structure described in described cell apparatus housing is arranged.
Preferably, between described cell apparatus housing and described powered air purifying respirator housing, arrange at least one sliding guide, the channeling direction of this sliding guide is parallel with the described glide direction being slidably engaged structure.
Preferably, described sliding guide is included in the straight groove that described cell apparatus housing is arranged and the straight rib arranged on described powered air purifying respirator housing, and described straight rib can receive movably in described straight groove.
Preferably, described in be slidably engaged structure be seven right, wherein at least one pair of be the groove that arranges on described cell apparatus housing and arrange on described powered air purifying respirator housing and the lug that can be inserted in described groove.
Preferably, at least one pair of is slidably engaged structure is two L shape lugs.Preferably, described lug is engaged with each other by the cantilever of L shape.
Preferably, described latch-up structure is also included in the Force transmission parts can installed movably in described cell apparatus housing and the spring acted between described dead bolt and described cell apparatus housing, described Force transmission parts and described button and described dead bolt act on simultaneously, for transmitting with partially being turn 90 degrees between described button and described dead bolt by driving force, described spring provides the pushing force of stretching out described cell apparatus housing to described dead bolt.
Preferably, described Force transmission parts is can the pivotable member of pivotable, and described button contacts with orthogonal two parts of described pivotable member with described dead bolt simultaneously.
Preferably, described latch-up structure be slidably engaged described in two structure between.
Preferably, the direction of actuation of described button is parallel with the described glide direction being slidably engaged structure.
Preferably, the direction of actuation of described button be arranged in user worn described powered air purifying respirator after substantially vertical with the health direction of wearer.
Preferably, described stop surface is vertical with the described glide direction being slidably engaged structure.
According to another aspect of the present invention, additionally provide a kind of powered air purifying respirator for Auto-changing Shade Welding Mask Made, wherein, described powered air purifying respirator is equipped with aforesaid snap fit structure.
According to technological means of the present invention, cell apparatus can be locked on battery holder more securely, prevents accidental; And conveniently can observe disassembly process when wearer's Manual-disassembling cell apparatus of powered air purifying respirator, improve the working performance of site operation personnel.
Accompanying drawing explanation
From detailed description described later and combine below accompanying drawing can comprehend aforementioned and other side of the present invention.It is pointed out that the ratio of each accompanying drawing is likely different for the object clearly demonstrated, but this can't affect the understanding of the present invention.In the accompanying drawings:
Fig. 1 a and 1b diagrammatically illustrates axonometric chart according to powered air purifying respirator of the present invention and side view respectively;
The three-dimensional exploded view that the cell apparatus that Fig. 2 diagrammatically illustrates the powered air purifying respirator of Fig. 1 is removed from battery holder;
Fig. 3 diagrammatically illustrates according to the snap fit structure between cell apparatus of the present invention and battery holder;
Fig. 4 a diagrammatically illustrates a part for the snap fit structure between cell apparatus and battery holder, and wherein each circle enlargedly show amplification stereogram and the sectional view of snap fit structure respectively;
Fig. 4 b diagrammatically illustrates the sectional view that cell apparatus is encased in the sliding process on battery holder;
Fig. 5 diagrammatically illustrates the exploded view of cell apparatus; And
Fig. 6 a, 6b, 6c and 6d are respectively the enlarged partial sectional view intercepted along the arrow B-B in Fig. 1 b, diagrammatically illustrate cell apparatus and skid off process relative to battery holder from locking state to unblock.
Detailed description of the invention
In each accompanying drawing of the application, the identical or intimate feature of structure is represented by identical Reference numeral.
Fig. 1 a and 1b shows powered air purifying respirator according to an embodiment of the invention.This powered air purifying respirator comprises housing 10 and cell apparatus.Cell apparatus comprises housing 20, for being removably connected with housing 10.In housing 10 inside, not shown electrodynamic pump, air cleaner and relevant control circuit etc. are installed.Be provided with in cell apparatus housing 20 inside for electrodynamic pump is powered and also unshowned set of cells in the drawings.
An end face of housing 10 is formed with a connectivity port 11, and this connectivity port communicates with the air cleaner of housing 10 inside.This connectivity port 11 can be connected with a welding mask, especially Auto-changing Shade Welding Mask Made via one (not shown) connecting hose, for purifying air to face shield supply under the driving of electrodynamic pump.Housing 10 and 20 is plastic.
An opposite end face of housing 10 is formed with battery holder, for receiving cell apparatus housing 20.Be provided with according to snap fit structure of the present invention between battery holder and cell apparatus housing 20, cell apparatus can be facilitated and be assembled on powered air purifying respirator housing 10 securely, be convenient to the wearer of welding mask simultaneously and dismantled.
Fig. 2 diagrammatically illustrates the situation that cell apparatus is separated with battery holder, and Fig. 3 diagrammatically illustrates the snap fit point of snap fit structure therebetween, and also show that face of matching with battery holder of cell apparatus housing 20 in figure 3.
Concrete as shown in Figure 3, the snap close that cell apparatus housing 20 and powered air purifying respirator housing 10, snap fit structure especially between battery holder adopt 7 snap fit points to realize therebetween, as the four-headed arrow indication of 7 in figure.
Be formed with the lug 31 and 32 of a pair sensing opposite each other on the housing 10, this can be put into lug in the reception holder 50 arranged in cell apparatus housing 20.Two opposing sidewalls receiving holder 50 are formed the lug 41 and 42 of a pair relative point.Receiving holder 50 is offered into when housing 20 is assembled on housing 10 by needs, first this is received in holder 50 position being positioned at and staggering with lug 41 and 42 to lug 31 and 32, then make lug 41 and 42 in holder 50, slide to lug 31 and 32, thus contact with each other to stop housing 20 relative to housing 10 outwards movement at rear lug 31 and 32 in place and lug 41 and 42.
As shown in fig. 4 a, especially as shown in the encircled portion of two, the upside in Fig. 4 a, in this, a pair lug 33 and 34 and a pair lug 35 and 36 are also formed with respectively to the both sides, left and right of lug 31 and 32 on the housing 10.As two encircled portion (partial section looked over for C-C and C '-C ' in the direction of the arrow of its housing 20) of the downside in figure, with these lug position accordingly, cell apparatus housing 20 is also formed a pair lug 43 and 44 and a pair lug 45 and 46.From cross-sectional direction, these lugs 33,34,35,36 and 43,44,45,46 are L-shaped substantially respectively, and all L shape lugs on each housing are all towards a direction opening.
For pair of L-shaped lug 33 and 34 wherein and pair of L-shaped lug with matching 43 and 44, further illustrate cell apparatus housing 20 as shown in Figure 4 b and install to process on housing 10.The enlarged partial sectional view of this Fig. 4 b for intercepting along the arrow A-A direction in Fig. 1 a.Each L shape lug 33,34 and 43,44 is limited with reception tank separately, and each reception tank has opening, the size of opening be arranged to each lug can each other along close to each other or away from direction receive in tank.Such as, as shown in Figure 4 b, when cell apparatus housing 20 is installed on housing 10, first as shown by arrows housing 20 is moved towards housing 10, the tank (or alternatively making lug 33,34 enter into the tank limited by lug 43,44) lug 43,44 being entered into limited by lug 33,34; Then, housing 20 and housing 10 contact with each other, and L shape lug 33,34 and 43,44 is staggered respectively; Then, promote housing 20 relative to housing 10, the latter is slided relative to the former, thus the L shape cantilever of lug 33,34 and lug 43,44 contacts with each other, prevent housing 20 relative to housing 10 outwards movement thus.
On the housing 20, a lug 37 is relatively also formed with lug 31,32 between the lug 33,34 and 35,36.When sliding on housing 10 by cell apparatus housing 20, this lug 37 can receive in groove in housing 20 47 (not shown see Fig. 2, only shown in Fig. 6 c and 6d).Like this, after housing 20 is in place along a direction slip relative to housing 10, lug 31 between housing 10 and housing 20 and lug 41, lug 32 and lug 42, lug 33 and lug 43, lug 34 and lug 44, lug 35 and lug 45, lug 36 and lug 46 and lug 37 form respectively 7 snap fit points of snap fit structure, also referred to as being slidably engaged structure with groove 47.
When sliding on the housing 10 in order to ensure housing 20, the lug of each correspondence and lug or lug and groove can align just, be formed with two straight grooves be parallel to each other 71 and 72 on the housing 20, be formed with two the straight ribs that are parallel to each other 61 and 62 corresponding with described straight groove location on the housing 10.Like this, when housing 20 attached on the housing 10 time, straight rib 61 and 62 just receives guided slidable by straight groove 71 and 72.Straight rib and straight groove have complemented each other to form sliding guide.
In addition, as shown in Figure 3, housing 10 with housing 20 is formed with respectively the terminal 81 and 91 that can mutually mate, the former is connected with the electrodynamic pump in housing 10 and relevant control circuit, the latter is connected with the set of cells in housing 20, like this when housing 20 is attached slide on the housing 10 in place after, terminal 81 engages with terminal 91, and set of cells can be powered to electrodynamic pump and relevant control circuit.
Fig. 5 further illustrates the exploded perspective view of cell apparatus housing 20.As shown in the figure, housing 20 comprises pedestal 201 and capping 202, and the suitable modes such as the two can be connected by buckle, screw connection removably link together, thus define the cavity volume for holding set of cells and related electronic devices between.When cell apparatus housing 20 assembles on the housing 10, capping 202 is towards housing 10 and be in contact with it.
Again as shown in Figures 2 and 3, the end face of housing 10 is formed an outstanding periphery, above-mentioned lug 31,32,33,34,35,36 and 37 is all upcountry integrally formed from this periphery, thus form the battery holder for receiving cell apparatus housing 20.In addition, above-mentioned straight rib 61 and 62 is also formed in the interior zone that this periphery encloses.
As shown in Figure 5, one of capping 202 surface is toward the outside formed with boss, the periphery of this boss be formed above-mentioned lug 41,42,43,44,45,46, receive holder 50 and groove 47.In addition, the projected area of the interior zone that the periphery that the projected area of this boss is less than battery holder encloses, which ensure that when housing 20 attached on the housing 10 after can have the sliding space of certain surplus.
An opening 51 is formed in the bottom receiving holder 50.Pedestal 201 is formed a recess, and being provided with in this recess can the button 80 of linearly movement.In addition, being also supported with in this recess can the dead bolt 85 of linearly movement.The moving direction of dead bolt 85 is substantially vertical with the moving direction of button 80.One pivotable member 81 can be installed pivotally in this recess, and a pair spring 86 is also arranged in recess.One end of spring 86 is received on pedestal 201 regularly, and the other end is received in dead bolt 85 regularly, thus provides the spring force away from the outside movement of pedestal 201 constantly to dead bolt 85.
Pivotable member 81 is integrally formed with action plane 82 and protuberance 83, and described action plane 82 is approximately perpendicular to described protuberance 83.In the embodiment shown in fig. 5, action plane 82 and protuberance 83 are respectively two, but their quantity also can be one or more as required.Dead bolt 85 is integrally formed with step surface 87, and this step surface is used for contacting with the protuberance 83 of pivotable member 81 and quantity is fixed with protuberance 83.Therefore, in the embodiment shown in fig. 5, the quantity of step surface 87 is also two.Button 80 contacts with the action plane 82 of pivotable member 81 via its part, such as one (as shown in Figure 6 a) projection 88.Like this, pivotable member 81 contacts with dead bolt 85 with button 80 simultaneously, drives pivotable member 81 around its pivot axis certain angle by actuation button 80, drives dead bolt 85 to move to a certain extent.
After capping 202 assembles on pedestal 201, the end of dead bolt 85 can be protruding through opening 51.As shown in Figure 6 a, be formed with boss 101 on the housing 10, especially in battery holder, they are such as between two lugs 31 and 32.This boss 101 has a slope 102 and and erects stop surface 103.The projecting end of dead bolt 85 is formed with a slope 85 '.In the process that housing 20 slides relative to battery holder as shown in Figure 4 b, first the slope 85 ' of dead bolt 85 contacts with the slope 102 of boss 101, and its end of dead bolt 85 pressurized moves on in housing 20 via opening 51 thus; Then, again protruding from opening 51 by the pushing effect of spring 86 after crossing slope 102, thus dead bolt 85 contacts with the setting stop surface 103 of boss 101 lock-out state be in as shown in Figure 6 a, prevent the snap fit structure between housing 10 and housing 20 from surprisingly throwing off.Can find out, the moving direction of dead bolt 85 is vertical with the glide direction of housing 20, and the moving direction of button 80 is consistent with the glide direction of housing 20 in other words.According to the present invention, the locking direction of dead bolt 85 is vertical relative to the glide direction of battery holder with cell apparatus housing 20, and which ensure that can more securely by housing 20 locks in place.
The slope 102 of boss 101 and the design of the slope 85 ' of dead bolt 85 make more smooth and easy in process housing 20 being slipped into battery holder, simultaneously under the effect of spring 86, after slope 85 ' crosses slope 102, be rapidly to upper resilience and send " click " sound, reminding user dead bolt 85 locks in place.
Fig. 6 a to Fig. 6 d shows the process disassembled from housing 10 by cell apparatus housing 20.First, with finger inwardly pressing button 80.Pivotable member 81 rotates an angle [alpha] around its pivot axis, and thus, the end, slope of dead bolt 85 recedes into below opening 51.Then, while button 80 is pressed, by the mode pushed away or draw, housing 20 is outwards skidded off from battery holder.Finally, cell apparatus housing 20 is taken off.
As shown in Fig. 1 a, 1b and 2, be provided with bracelet in the both sides of housing 10, for fixing belt.During use, powered air purifying respirator housing 10 can be fixed on abdomen or low back position before user via belt.Like this, port one 1 is positioned at top, and cell apparatus is positioned at below, and button 80 exposes, and is convenient to user and observes operation.When user needs change or check cell apparatus, with finger towards health side pressing button 80, and used batteries device outwards can be taken off, then new cell apparatus is loaded onto again, the lower slightly head of this process user just can whole process be seen, be convenient to human eye monitoring and manual teardown easy to operate.
Those skilled in the art also can expect, straight groove 71 and 72 as shown in Figure 3 and straight rib 61 and 62 also can location swaps, such as be formed with two straight ribs be parallel to each other on the housing 20, and be formed with two the straight grooves that are parallel to each other corresponding with described straight rib position on the housing 10.In addition, the straight groove be parallel to each other and straight rib quantity also can be determined as required, such as one or more.
In an illustrated embodiment, after user has worn powered air purifying respirator, housing 20 has been almost parallel with ground and almost parallel with health fore-and-aft direction relative to the direction of slipping into and skid off of housing 10.As an alternative, also can by change lug towards and will snap fit structure according to the present invention to be designed to slip into and skid off direction and ground almost parallel and almost parallel with body bilateral direction.
Although the snap fit structure between the battery holder of cell apparatus and powered air purifying respirator housing in an illustrated embodiment have employed 7 the snap fit points distributed around battery holder, snap fit point quantity or arrangement also can be changed as required.Such as, as an alternative, one or more pairs of in lug 31,32,33,34,35,36 and lug 41,42,43,44,45,46 can be omitted or increase one or more pairs of snap fit point increasing or reduce snap fit structure.As an alternative, lug 37 and groove 47 also can correspondingly be accelerated.As an alternative, lug 37 and groove 47 also can location swaps, and such as the former is arranged on the housing 20 and the latter is arranged on housing 10.
In an illustrated embodiment, button 80, pivotable member 81, spring 86 and dead bolt 85 constitute a latch-up structure, the direction of actuation of the button of this latch-up structure is parallel with the glide direction of cell apparatus on battery holder, but the locking direction of the dead bolt of this latch-up structure and the cell apparatus glide direction on battery holder is vertical, this latch-up structure at two lugs to 31 and 41 and between 32 and 42.But as an alternative, this latch-up structure also can be arranged in the position of other convenient operation any, such as, be arranged in two lugs to 31 and 41 and between 33 and 34.
In addition, in an illustrated embodiment, the pressing direction of actuation of button 80 is substantially vertical with the moving direction of dead bolt 85 by adopting pivotable member 81 to realize.But, it should be apparent to those skilled in the art that and adopt the parts that other can change power transmitting well known to those skilled in the art also can adopt in the present invention.Such as, pivotable member 81 can the wedge of translation can substitute by one, a right-angle surface of this wedge contacts with button 80 and face, oblique angle contacts with dead bolt 85, and the actuation force of button 80 equally also can be realized vertically to pass to dead bolt 85, thus drives dead bolt to move.
Adopt the snap fit device between cell apparatus of the present invention and battery holder, cell apparatus can be locked on powered air purifying respirator housing more firmly, and user can Manual-disassembling cell apparatus easily in addition.
Although describe particular implementation of the present invention here in detail, the object that they are only used to explain provides, and should not think that they are construed as limiting scope of the present invention.Without departing from the spirit and scope of the present invention, various replacement, change and transformation can be conceived out.
Claims (13)
1. the snap fit structure for the powered air purifying respirator of Auto-changing Shade Welding Mask Made, described powered air purifying respirator comprises housing and cell apparatus, described housing is formed with battery holder, via described snap fit structure, described cell apparatus can releasably be arranged in described battery holder, it is characterized in that, described snap fit structure be included in described cell apparatus and described battery holder are formed respectively at least four to being slidably engaged structure and a latch-up structure arranged in described cell apparatus, structure is slidably engaged to engaging by sliding relative to one another or be disengaged described in each, the dead bolt that described latch-up structure comprises button and can activate via described button, the moving direction of described dead bolt is vertical with the described glide direction being slidably engaged structure, described be slidably engaged structure to move relative to each other in place after, described dead bolt contacts with the stop surface of described battery holder, by the described structure that is slidably engaged to locking.
2. snap fit structure according to claim 1, is characterized in that, described cell apparatus comprises housing, is slidably engaged structure and described latch-up structure described in described cell apparatus housing is arranged.
3. snap fit structure according to claim 2, it is characterized in that, between described cell apparatus housing and described powered air purifying respirator housing, arrange at least one sliding guide, the channeling direction of this sliding guide is parallel with the described glide direction being slidably engaged structure.
4. snap fit structure according to claim 3, it is characterized in that, described sliding guide is included in the straight groove that described cell apparatus housing is arranged and the straight rib arranged on described powered air purifying respirator housing, and described straight rib can receive movably in described straight groove.
5. snap fit structure according to claim 2, it is characterized in that, the described structure that is slidably engaged is seven right, wherein at least one pair of be the groove that arranges on described cell apparatus housing and arrange on described powered air purifying respirator housing and the lug that can be inserted in described groove.
6., according to the arbitrary described snap fit structure of claim 1 to 5, it is characterized in that, at least one pair of is slidably engaged structure is two L shape lugs.
7. according to the arbitrary described snap fit structure of claim 1 to 5, it is characterized in that, described latch-up structure is also included in the Force transmission parts can installed movably in described cell apparatus housing and the spring acted between described dead bolt and described cell apparatus housing, described Force transmission parts and described button and described dead bolt act on simultaneously, for transmitting with partially being turn 90 degrees between described button and described dead bolt by driving force, described spring provides the pushing force of stretching out described cell apparatus housing to described dead bolt.
8. snap fit structure according to claim 7, is characterized in that, described Force transmission parts is can the pivotable member of pivotable, and described button contacts with orthogonal two parts of described pivotable member with described dead bolt simultaneously.
9., according to the arbitrary described snap fit structure of claim 1 to 5, it is characterized in that, described latch-up structure be slidably engaged described in two structure between.
10. according to the arbitrary described snap fit structure of claim 1 to 5, it is characterized in that, the direction of actuation of described button is parallel with the described glide direction being slidably engaged structure.
11. snap fit structure according to claim 10, is characterized in that, the direction of actuation of described button be arranged in user worn described powered air purifying respirator after substantially vertical with the health direction of wearer.
12., according to the arbitrary described snap fit structure of claim 1 to 5, is characterized in that, described stop surface is vertical with the described glide direction being slidably engaged structure.
13. 1 kinds, for the powered air purifying respirator of Auto-changing Shade Welding Mask Made, is characterized in that, described powered air purifying respirator is equipped with according to the arbitrary described snap fit structure of aforementioned claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520248716.3U CN205108058U (en) | 2015-04-22 | 2015-04-22 | Hasp cooperation structure and electronic air purification respirator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520248716.3U CN205108058U (en) | 2015-04-22 | 2015-04-22 | Hasp cooperation structure and electronic air purification respirator |
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| CN205108058U true CN205108058U (en) | 2016-03-30 |
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| CN201520248716.3U Active CN205108058U (en) | 2015-04-22 | 2015-04-22 | Hasp cooperation structure and electronic air purification respirator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137530A (en) * | 2015-04-22 | 2016-11-23 | 泰克曼(南京)电子有限公司 | The snap fit structure of the powered air purifying respirator of Auto-changing Shade Welding Mask Made |
| CN109789322A (en) * | 2016-04-15 | 2019-05-21 | 斯科特科技公司 | Removable battery case for mask |
-
2015
- 2015-04-22 CN CN201520248716.3U patent/CN205108058U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137530A (en) * | 2015-04-22 | 2016-11-23 | 泰克曼(南京)电子有限公司 | The snap fit structure of the powered air purifying respirator of Auto-changing Shade Welding Mask Made |
| CN109789322A (en) * | 2016-04-15 | 2019-05-21 | 斯科特科技公司 | Removable battery case for mask |
| US10926114B2 (en) | 2016-04-15 | 2021-02-23 | Scott Technologies, Inc. | Removable battery cartridge for facemask |
| US10946223B2 (en) | 2016-04-15 | 2021-03-16 | Scott Technologies, Inc. | Facemask nosecup retained by voicemitters |
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Effective date of registration: 20221202 Address after: No.8, Huyue East Road, Longchi street, Liuhe District, Nanjing City, Jiangsu Province Patentee after: Tecman (Nanjing) safety protection equipment Co.,Ltd. Address before: 210031 Building D, No.21, Liuzhou North Road, Xiaoliu Industrial Park, high tech Zone, Nanjing City, Jiangsu Province Patentee before: TECMEN ELECTRONICS Co.,Ltd. |
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