CN213159046U - Novel air supply device - Google Patents
Novel air supply device Download PDFInfo
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- CN213159046U CN213159046U CN202021195350.5U CN202021195350U CN213159046U CN 213159046 U CN213159046 U CN 213159046U CN 202021195350 U CN202021195350 U CN 202021195350U CN 213159046 U CN213159046 U CN 213159046U
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- filter
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Abstract
The utility model provides a novel air supply device, including top cap, drain pan, set up filter cartridge, filtration inferior valve, air-blower and drive between this top cap and the drain pan the battery of air-blower work, filter cartridge is located the top cap with filter between the inferior valve, the air-blower with the battery is located filter the inferior valve with between the drain pan, the inside battery jar that sets up of drain pan, the top cap filter the inferior valve with the marginal lock of drain pan, under the lock state, the battery jar with filter inferior valve formation chucking the battery cavity of battery. In the use, the shell of the air supply equipment is combined with the hook stirrup for bearing, instead of simply adopting a battery cover for bearing, so that the bearing capacity is stronger, a large-capacity battery with larger weight can be adopted as required, the cruising demand of the air supply equipment is met, and the air supply equipment is convenient for medical portable use.
Description
Technical Field
The utility model relates to an air filter, specific theory has related to a novel air supply arrangement.
Background
In the medical field, in order to protect self not infringement by the disease bacterium, medical personnel often need wear protective clothing, wear the protective hood, but, protective hood and protective clothing inside air do not circulate, form stuffy environment easily, are unfavorable for medical personnel to keep good operating condition, consequently, the researcher begins to research and develop in recent years and filters air supply arrangement to combine together filtering air supply arrangement and medical protective clothing, protective hood, improve the comfort level of medical personnel's work.
However, most of the air supply devices in the market at present need to be connected with a power supply through an electric wire plug, and are not suitable for being used in medical protective clothing and hoods; meanwhile, the existing air supply device does not have a filtering function and is not suitable for the medical field.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims at providing a novel air supply arrangement to the not enough of prior art.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is:
a novel air supply device comprises a top cover and a bottom shell, wherein a filter box, a lower filter shell, an air blower and a battery for driving the air blower to work are arranged between the top cover and the bottom shell, the filter box is positioned between the top cover and the lower filter shell, the filter box comprises an upper filter shell, the upper filter shell is an inverted groove shape, a filter membrane is arranged in the groove shape, a sealing cover is arranged at an opening at the lower end of the groove shape, the upper filter shell and the lower filter shell are buckled, and a filter membrane rubber gasket is arranged at a buckling gap; the blower and the battery are positioned between the lower filtering shell and the bottom shell, the lower filtering shell is provided with an opening corresponding to an air inlet of the blower, and an air outlet is formed on the side parts of the bottom shell and the lower filtering shell;
a battery groove is arranged in the bottom shell, the edges of the top cover, the filtering lower shell and the bottom shell are buckled, in a buckled state, the battery groove and the filtering lower shell form a battery cavity for clamping the battery, the side part of the filtering lower shell is provided with a battery opening corresponding to the battery cavity and a battery cover, one side edge of the battery cover is hinged with the battery opening, the other side edge opposite to the hinged side edge is provided with a clamping part, and the inner wall of the battery cavity opposite to the battery cover is provided with a first elastic element; a clamping hook is hinged to the side part, adjacent to the battery cover, in the battery cavity, and a torsional spring is arranged on a hinged shaft of the clamping hook; in the buckling state, the battery is clamped between the clamping hook and the first elastic piece, and the clamping part of the battery cover is clamped between the battery cavity and the clamping hook.
On the basis, set up the locking portion in the battery cover, the locking portion association set up in the operation portion outside the battery cover, set up locking portion mounting groove on the battery cover, set up the second elastic component in the locking portion mounting groove, the top of locking portion mounting groove corresponds locking portion trompil, locking portion connects the free end of second elastic component just can follow the sliding of locking portion mounting groove, under the locking state, the top of locking portion stretches out locking portion mounting groove butt the lateral wall of battery cavity.
Based on the above, one end of the clamping portion is provided with a clamping connection seat, the clamping connection seat is mounted on the inner wall of the battery cover, a locking portion mounting groove is formed in the clamping connection seat, a battery cover operation hole is formed in the battery cover corresponding to the operation portion, the operation portion penetrates through the battery cover operation hole, and one end of the operation portion extends into the locking portion mounting groove to be connected with the locking portion.
Based on the above, the hook is of a Z-shaped structure, the Z-shaped structure comprises a clamping part located at one end, a hinged part located at the other end, and a connecting part connecting the clamping part and the hinged part, the hinged part and the connecting part form an obtuse angle, and the clamping part is perpendicular to the connecting part.
Based on the above, the clamping part with the linking position of connecting portion sets up the inclined plane, the outer terminal surface of clamping part is the plane, and this plane and this inclined plane intersect and form an obtuse angle pointed end, the block portion corresponds the obtuse angle pointed end sets up the obtuse angle groove.
Based on the above, the second elastic element includes springs disposed on two sides of the bottom of the locking bottom mounting groove, two sides of the bottom end of the locking portion are respectively provided with connecting ear plates, and the connecting ear plates are connected with free ends of the springs; the two sides of the second elastic piece are provided with slideways, one ends of the slideways are provided with openings only for accommodating the sliding of the locking parts, and the other ends of the slideways are provided with limiting parts corresponding to the springs.
Based on the above, the one end of filter membrane epitheca and filter membrane inferior valve articulates, the other end of filter membrane epitheca sets up the spring bolt, the filter membrane inferior valve corresponds the spring bolt sets up the sticking department, the sticking department including set up in the button mount of filter membrane inferior valve downside, the button mount passes through the third elastic component and connects the lock-up button, the lock-up button with the filter membrane inferior valve corresponds the tongue hole is seted up to the spring bolt, the spring bolt to the inside of filter membrane epitheca is bent and is extended formation hitching part, the inner of lock-up button towards the tongue hole is bent and is extended the correspondence the spring bolt forms spacing portion.
Based on the above, the third elastic component includes the spring, the installation department extends to the locking button both sides, the installation department the spring corresponds sets up the guide post, the guide post stretches into inside the spring with the spring is coaxial.
Based on the above, the uncovered edge setting of filter membrane epitheca with cell type lateral wall vertically brim of a hat, the spring bolt is located the downside of brim of a hat just is perpendicular with the brim of a hat, the lateral wall of cell type sets up the peg, the upside one end of filter membrane inferior valve corresponds the peg sets up the grapple.
Based on the above, the upper side of the lower filtering shell is in a U-shaped groove structure and is matched with the upper filtering shell, the lower side of the lower filtering shell is in an inverted U-shaped structure and is matched with the bottom shell, and the U-shaped section of the upper side and the U-shaped section of the lower side of the lower filtering shell are perpendicular; mounting holes are formed in the side wall of the inverted U-shaped structure and correspond to the outer end faces of the battery cover and the locking key respectively, and the battery cover and the locking key are located on two side walls of the inverted U-shaped structure respectively; a plurality of positioning columns are arranged on two sides of a tongue hole of the U-shaped groove, and positioning holes are formed in the cap brim corresponding to the positioning columns.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model provides a novel air supply arrangement, the device through arrange the battery inside air supply equipment in, the battery cover sets up in the equipment lateral part, and the casing through air supply equipment itself combines pothook stirrup bearing in the use, and the non-simple adoption battery cover bearing, bearing capacity is stronger, can adopt the great large capacity battery of weight as required, satisfies air supply equipment's continuation of the journey demand, the medical portable use of being convenient for.
Further, the hanging post and the grapple of filter membrane epitheca and filter membrane inferior valve articulate, then clockwise rotation, the spring bolt of filter membrane epitheca and the tongue hole contact of filter membrane inferior valve, and the spacing portion of extrusion locking button removes, and the elastic component compression, hitching part and spacing portion are detained and are hung together, accomplish the locking of filter membrane epitheca and filter membrane inferior valve, and at this moment, the reference column corresponds to block among the locating hole. When needing to dismantle, inwards press the lock-stopping button, hitching part and spacing portion break away from, can dismantle the filter membrane epitheca to when filter cartridge filtering quality descends, dismantle the change.
Furthermore, coating sealed glue on the filter membrane epitheca and filter membrane complex position in the filter cartridge, then buckling the closing cap at the lower surface of filter membrane epitheca, seal the filter membrane in the inside of filter membrane epitheca, because sealed fit clearance between filter membrane and the filter membrane epitheca through sealed glue, can guarantee during the air can only pass through the upper surface entering device of filter membrane epitheca, avoid the air not to pass through filter membrane entering air supply arrangement, reduce the use risk.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the battery cavity of the present invention.
Fig. 3 is a schematic structural diagram of the fit state of the battery cover, the engaging portion and the locking portion of the present invention.
Fig. 4 is a schematic structural view of the middle snap-fit connection seat of the present invention.
Fig. 5 is a schematic structural view of the locking portion mounting groove of the present invention.
Fig. 6 is a schematic view of the matching structure of the upper filtering shell and the lower filtering membrane shell of the present invention.
Fig. 7 is a schematic structural view of the locking portion of the present invention.
In the figure: 1. filtering the upper shell; 11. filtering the membrane; 12. sealing the cover; 13. filtering membrane rubber mats; 14. a lower filtering shell; 2. a blower; 3. a first joint; 4. sealing gaskets; 5. a second joint; 6. an air duct; 7. a bottom case; 101. a torsion spring; 102. hinging a shaft; 103. a hook; 104. a fastening part; 1041. clamping the connecting seat; 1042. a locking part mounting groove; 1043. a locking portion; 1044. a second elastic member; 1045. an operation section; 105. a battery cover; 106. a first elastic member; 107. a battery; 108. a female joint; 109. a male connector; 202. a latch bolt; 2021. a tongue hole; 2022. a locking button; 2023. a key fixing frame; 2024. an installation part; 2025. a guide post; 2026. a third elastic member; 2027. a limiting part; 2028. a hanging part; 203, a grapple; 204. positioning holes; 205. a positioning column; 206. and (5) hanging the column.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
As shown in fig. 1-7, a novel air supply device comprises a top cover and a bottom case 7, wherein a filter box, a lower filter shell 14, an air blower 2 and a battery 107 for driving the air blower 2 to work are arranged between the top cover and the bottom case 7, the filter box is positioned between the top cover and the lower filter shell 14, the filter box comprises an upper filter shell 1, the upper filter shell 1 is an inverted groove shape, a filter membrane 11 is arranged in the groove shape, a sealing cover 12 is arranged at an opening at the lower end of the groove shape, the upper filter shell 1 and the lower filter shell 14 are buckled, and a sealing gasket 4 is arranged in a buckling gap; the blower 2 and the battery 107 are located between the filtering lower shell 14 and the bottom shell 7, the filtering lower shell 14 corresponds to an air inlet opening of the blower 2, and an air outlet is formed on the side portions of the bottom shell 7 and the filtering lower shell 14.
Specifically, a battery jar is arranged inside the bottom case 7, the edges of the top cover, the filtering lower case 14 and the bottom case 7 are fastened, in a fastened state, the battery jar and the filtering lower case 14 form a battery cavity for clamping the battery 107, the side portion of the filtering lower case 14 is provided with a battery 107 opening corresponding to the battery cavity and is provided with a battery cover 105, one side edge of the battery cover 105 is hinged with the battery 107 opening, the other side edge opposite to the hinged side edge is provided with a fastening portion 104, and the inner wall of the battery cavity opposite to the battery cover 105 is provided with a first elastic member 106; a clamping hook 103 is hinged to the side part of the battery cavity adjacent to the battery cover 105, and a torsional spring 101 is arranged on a hinged shaft 102 of the clamping hook 103; in the fastened state, the battery 107 is clamped between the hook 103 and the first elastic member 106, and the clamping portion 104 of the battery cover 105 is clamped between the battery cavity and the hook 103.
Further, a locking portion 1043 is arranged in the battery cover 105, the locking portion 1043 is associated with an operation portion 1045 arranged outside the battery cover 105, a locking portion mounting groove 1042 is arranged on the battery cover 105, a second elastic member 1044 is arranged in the locking portion mounting groove 1042, the top of the locking portion mounting groove 1042 corresponds to the locking portion opening, the locking portion 1043 is connected with a free end of the second elastic member 1044 and can slide along the locking portion mounting groove 1042, and in a locking state, the top end of the locking portion 1043 extends out of the locking portion mounting groove 1042 to abut against the side wall of the battery cavity.
Further, one end of the engaging portion 104 is provided with an engaging connection seat 1041, the engaging connection seat 1041 is mounted on the inner wall of the battery cover 105, the engaging connection seat 1041 is provided with a locking portion mounting groove 1042, the battery cover 105 is provided with a battery cover 105 operating hole corresponding to the operating portion 1045, the operating portion 1045 penetrates through the battery cover 105 operating hole, and one end of the operating portion extends into the locking portion mounting groove 1042 to be connected with the locking portion 1043.
Further, the hook 103 is a Z-shaped structure, the Z-shaped structure includes a clamping portion at one end, a hinge portion at the other end, and a connecting portion connecting the clamping portion and the hinge portion, the hinge portion and the connecting portion form an obtuse angle, and the clamping portion is perpendicular to the connecting portion.
Further, the clamping part with the linking position of connecting portion sets up the inclined plane, the outer terminal surface of clamping part is the plane, and this plane and this inclined plane intersect and form an obtuse angle pointed end, block portion 104 corresponds obtuse angle pointed end sets up the obtuse angle groove.
Further, the second elastic member 1044 includes springs disposed at two sides of the bottom of the locking portion mounting groove 1042, two sides of the bottom end of the locking portion 1043 are respectively disposed with a connecting ear plate, and the connecting ear plates are connected to free ends of the springs; the two sides of the second elastic component 1044 are provided with slideways, one end of each slideway is provided with an opening which only accommodates the sliding of the locking part 1043, and the other end of each slideway is provided with a limiting part corresponding to each spring.
The device is through arranging the battery inside air supply equipment in, and the battery cover sets up in the equipment lateral part, and the casing through air supply equipment itself combines the pothook stirrup bearing in the use, and the not simple battery cover bearing that adopts, bearing capacity is stronger, can adopt the great large capacity battery of weight as required, satisfies air supply equipment's continuation of the journey demand.
Specifically, when the battery is installed, the operation part needs to be moved firstly, the second elastic part is compressed, the matching position of the locking part and the battery cavity is separated, the operation part is buckled to rotate anticlockwise, the battery cover is completely opened, the battery is taken, the large circular angle position of the battery is aligned to the corresponding circular angle in the battery cavity and slides into the battery cavity, one end of the battery is used for supporting the first elastic part, the clamping hook is buckled at the other end of the battery after rotating for a certain angle around the hinge shaft, the clamping hook can clamp the edge of the battery due to the elastic action of the torsional spring to prevent the battery from moving and then buckled with the battery cover, and the clamping part of the battery cover is clamped between the clamping hook and the battery cavity to prevent the poor contact between the female joint and the male joint caused by the separation of the battery due to the looseness of the torsional spring and influence.
Further, the filter box comprises an upper filter shell 1, the upper filter shell 1 is an inverted groove-shaped structure, a filter membrane 11 is arranged in the groove-shaped structure, a sealing cover 12 is arranged at the lower opening of the groove-shaped structure, the upper filter shell 1 and the lower filter shell 14 are buckled, and a filter membrane rubber mat 13 is arranged in a buckling gap; the filter membrane 11 upper shell and the filter membrane 11 lower shell are hooked at one end, the other end of the filter membrane 11 upper shell is provided with a lock tongue 202, the filter membrane 11 lower shell is provided with a locking part corresponding to the lock tongue 202, the locking part comprises a key fixing frame 2023 arranged at the lower side of the filter membrane 11 lower shell, the key fixing frame 2023 is connected with a locking key 2022 through a third elastic piece 2026, the locking key 2022 and the filter membrane 11 lower shell are provided with a tongue hole 2021 corresponding to the lock tongue 202, the lock tongue 202 is bent and extended towards the inside of the filter membrane 11 upper shell to form a hanging part 2028, and the inner end of the locking key 2022 is bent and extended towards the tongue hole 2021 to form a limiting part 2027 corresponding to the.
Preferably, the hanging part and the lock tongue vertically form a straight hook, and the limiting part is obliquely arranged.
Further, the third elastic element 2026 includes a spring, a mounting portion 2024 extends from two sides of the locking key 2022, the mounting portion 2024 is provided with a guide post 2025 corresponding to the spring, and the guide post 2025 extends into the spring and is coaxial with the spring.
Further, the uncovered edge of filter membrane 11 epitheca set up with cell type lateral wall vertically brim of a hat, the spring bolt 202 is located the downside of brim of a hat and perpendicular with the brim of a hat, the lateral wall of cell type sets up hanging post 206, the upside one end of filter membrane 11 inferior valve corresponds hanging post 206 sets up grapple 203.
Further, the upper side of the lower filtering shell 14 is a U-shaped groove structure matched with the upper filtering shell 1, the lower side of the lower filtering shell 14 is an inverted U-shaped structure matched with the bottom shell 7, and the U-shaped section of the upper side and the U-shaped section of the lower side of the lower filtering shell 14 are perpendicular; mounting holes are formed in the side wall of the inverted U-shaped structure corresponding to the outer end faces of the battery cover 105 and the locking key 2022 respectively, and the battery cover 105 and the locking key 2022 are located on two side walls of the inverted U-shaped structure respectively; a plurality of positioning columns 205 are arranged on two sides of the tongue hole 2021 of the U-shaped groove, and the positioning holes 204 are arranged on the brim corresponding to the positioning columns 205.
During the specific assembling process, the hanging columns and the grapples of the filter membrane upper shell and the filter membrane lower shell are hung, then the filter membrane upper shell rotates clockwise, the spring bolt of the filter membrane upper shell contacts with the spring bolt hole of the filter membrane lower shell, the limiting part of the locking button is extruded to move, the elastic part is compressed, the hanging part and the limiting part are buckled and hung together, the locking of the filter membrane upper shell and the filter membrane lower shell is completed, and at the moment, the positioning columns are correspondingly clamped into the positioning holes. When needing to dismantle, inwards press the lock-stopping button, hitching part and spacing portion break away from, can dismantle the filter membrane epitheca to when filter cartridge filtering quality descends, dismantle the change.
Preferably, the filter membrane and the filter membrane upper shell are bonded through a sealing adhesive, an air duct 6 is arranged between the filter lower shell 14 and the bottom shell 7, the air duct 6 and the air blower 2 are used for buckling the air blower 2 on the filter lower shell 14 through screws, and a sealing adhesive is arranged at a connecting gap; a first connector 3 is arranged in the air outlet, the first connector 3 is clamped between the air duct 6 and the lower filtering shell 14 and is connected with an air outlet of the air blower 2, and sealant is arranged in a connecting gap; further, one end of the first joint 3 is connected with an external second joint 5 through a sealing gasket 4.
During assembly, the filter membrane is placed inside the filter membrane upper shell, the part where the filter membrane upper shell is matched with the filter membrane is coated with the sealant, the sealing cover is buckled on the lower surface of the filter membrane upper shell, and the filter membrane is sealed inside the filter membrane upper shell; then bond seal gasket in filter membrane epitheca bottom, so, when being equipped with filter membrane, closing cap, seal gasket's filter membrane epitheca and filtration inferior valve lock, the filter membrane cushion receives the extrusion and can make the inseparable lock of filter membrane epitheca and filter membrane inferior valve be in the same place, fully guarantees the seal of filter box.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. The utility model provides a novel air supply arrangement, includes top cap, drain pan, its characterized in that: a filter box, a lower filter shell, an air blower and a battery for driving the air blower to work are arranged between the top cover and the bottom shell, the filter box is positioned between the top cover and the lower filter shell and comprises an upper filter shell, the upper filter shell is an inverted groove-shaped structure, a filter membrane is arranged in the groove-shaped structure, a sealing cover is arranged at the lower opening of the groove-shaped structure, the upper filter shell and the lower filter shell are buckled, and a filter membrane rubber gasket is arranged in a buckling gap; the blower and the battery are positioned between the lower filtering shell and the bottom shell, the lower filtering shell is provided with an opening corresponding to an air inlet of the blower, and an air outlet is formed on the side parts of the bottom shell and the lower filtering shell;
a battery groove is arranged in the bottom shell, the edges of the top cover, the filtering lower shell and the bottom shell are buckled, in a buckled state, the battery groove and the filtering lower shell form a battery cavity for clamping the battery, the side part of the filtering lower shell is provided with a battery opening corresponding to the battery cavity and a battery cover, one side edge of the battery cover is hinged with the battery opening, the other side edge opposite to the hinged side edge is provided with a clamping part, and the inner wall of the battery cavity opposite to the battery cover is provided with a first elastic element; a clamping hook is hinged to the side part, adjacent to the battery cover, in the battery cavity, and a torsional spring is arranged on a hinged shaft of the clamping hook; in the buckling state, the battery is clamped between the clamping hook and the first elastic piece, and the clamping part of the battery cover is clamped between the battery cavity and the clamping hook.
2. The novel air supply device according to claim 1, characterized in that: the battery cover is internally provided with a locking part, the locking part is arranged in association with an operation part outside the battery cover, a locking part mounting groove is formed in the battery cover, a second elastic part is arranged in the locking part mounting groove, the top of the locking part mounting groove corresponds to a locking part hole, the locking part is connected with the free end of the second elastic part and can be slid along the locking part mounting groove, and under the locking state, the top end of the locking part extends out of the locking part mounting groove and is abutted against the side wall of the battery cavity.
3. The novel air supply device according to claim 2, characterized in that: the battery cover is characterized in that a clamping connecting seat is arranged at one end of the clamping part and is installed on the inner wall of the battery cover, a locking part installing groove is formed in the clamping connecting seat, a battery cover operating hole is formed in the battery cover corresponding to the operating part, the operating part penetrates through the battery cover operating hole, and one end of the operating part extends into the locking part installing groove to be connected with the locking part.
4. A novel air supply device according to any one of claims 1 to 3, characterized in that: the clamping hook is of a Z-shaped structure, the Z-shaped structure comprises a clamping part located at one end, a hinged part located at the other end and a connecting part connecting the clamping part and the hinged part, the hinged part and the connecting part form an obtuse angle, and the clamping part is perpendicular to the connecting part.
5. The novel air supply device according to claim 4, characterized in that: the clamping part with the linking position of connecting portion sets up the inclined plane, the outer terminal surface of clamping part is the plane, and this plane and this inclined plane intersect and form an obtuse angle pointed end, the block portion corresponds the obtuse angle pointed end sets up the obtuse angle groove.
6. A novel air supply device according to claim 2 or 3, characterized in that: the second elastic piece comprises springs arranged on two sides of the bottom of the locking bottom mounting groove, connecting lug plates are arranged on two sides of the bottom end of the locking part respectively, and the connecting lug plates are connected with free ends of the springs; the two sides of the second elastic piece are provided with slideways, one ends of the slideways are provided with openings only for accommodating the sliding of the locking parts, and the other ends of the slideways are provided with limiting parts corresponding to the springs.
7. A novel air supply device according to any one of claims 1 to 3, characterized in that: the filter membrane epitheca with the one end of filter membrane inferior valve articulates, the other end of filter membrane epitheca sets up the spring bolt, the filter membrane inferior valve corresponds the spring bolt sets up the sticking department, the sticking department including set up in the button mount of filter membrane inferior valve downside, the button mount passes through the third elastic component and connects the lock-up button, the lock-up button with the filter membrane inferior valve corresponds the tongue hole is seted up to the spring bolt, the spring bolt to the inside of filter membrane epitheca is bent and is extended formation hitching part, the inner of lock-up button towards the tongue hole is bent and is extended the correspondence the spring bolt forms spacing portion.
8. The novel air supply device of claim 7, wherein: the third elastic piece comprises a spring, installation parts extend out of two sides of the locking key, guide posts are correspondingly arranged on the installation parts and extend into the spring, and the spring is coaxial with the guide posts.
9. The novel air supply device of claim 8, wherein: the utility model discloses a filter membrane, including filter membrane epitheca, cell type lateral wall, spring bolt, hanging post, the uncovered edge of filter membrane epitheca set up with cell type lateral wall vertically brim of a hat, the spring bolt is located the downside of brim of a hat and perpendicular with the brim of a hat, the lateral wall of cell type sets up the hanging post, the upside one end of filter membrane inferior valve corresponds the hanging post sets up the grapple.
10. The novel air supply device of claim 9, wherein: the upper side of the lower filtering shell is provided with a U-shaped groove structure matched with the upper filtering shell, the lower side of the lower filtering shell is provided with an inverted U-shaped structure matched with the bottom shell, and the upper side of the lower filtering shell is vertical to the U-shaped section of the lower side; mounting holes are formed in the side wall of the inverted U-shaped structure and correspond to the outer end faces of the battery cover and the locking key respectively, and the battery cover and the locking key are located on two side walls of the inverted U-shaped structure respectively; a plurality of positioning columns are arranged on two sides of a tongue hole of the U-shaped groove, and positioning holes are formed in the cap brim corresponding to the positioning columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021195350.5U CN213159046U (en) | 2020-06-24 | 2020-06-24 | Novel air supply device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021195350.5U CN213159046U (en) | 2020-06-24 | 2020-06-24 | Novel air supply device |
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| CN213159046U true CN213159046U (en) | 2021-05-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017370A (en) * | 2021-11-17 | 2022-02-08 | 深圳市毅荣川电子科技有限公司 | Energy-concerving and environment-protective defogging fan |
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2020
- 2020-06-24 CN CN202021195350.5U patent/CN213159046U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017370A (en) * | 2021-11-17 | 2022-02-08 | 深圳市毅荣川电子科技有限公司 | Energy-concerving and environment-protective defogging fan |
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