CN214841613U - Precious backup pad is breathed in portable - Google Patents

Abstract

The utility model discloses a precious backup pad of portable breathing relates to air purification technical field, which comprises a plate body, the up end of plate body has set gradually first installation space along the first direction, second installation space and third installation space, first installation space includes the first mounting groove that sets up and be linked together along the first direction is adjacent, the second mounting groove, second installation space includes the third mounting groove, the fourth mounting groove, third mounting groove and fourth mounting groove set up along the second direction is adjacent, third installation space includes first installation position and the second installation position that sets up along the second direction is adjacent, second direction and first direction mutually perpendicular, and the bottom of second mounting groove is equipped with the breach that supplies the air molecule circulation, the plate body still is equipped with the through-hole that is used for supplying the outlet connection of high molecule oxygen-enriched membrane to pass. So set up, through each mounting groove and installation position, the position and the space of each part of rational distribution, each part compactness sets up in the backup pad, saves space, and occupation space is little, and is small.

Description

Precious backup pad is breathed in portable

Technical Field

The utility model relates to an air purification technical field, more specifically say, relate to a precious backup pad of portable breathing.

Background

Breathe precious, portable formula air purifier promptly, small in size can purify carrier's ambient air, satisfies the daily trip demand of city resident.

However, because breathe precious function that will realize air purification, its inside filter structure and various electric elements that need not set up air-purifying need not be avoided, if the space distribution of each part is reasonable inadequately, the whole space that occupies will be big for breathe precious volume too big, be difficult for carrying, can't accomplish portably.

Therefore, how to solve the problems of large occupied space, large volume and insufficiently compact structure of the breathing apparatus in the prior art becomes an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable precious backup pad of breathing is in order to solve among the prior art breathe precious occupation space big, bulky, the not compact technical problem of structure inadequately. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

The utility model provides a support plate of a portable breathing apparatus, which comprises a plate body, wherein a first mounting space, a second mounting space and a third mounting space are sequentially arranged on the upper end surface of the plate body along a first direction, the first mounting space comprises a first mounting groove for mounting a filtering device and a second mounting groove for mounting a fan, the first mounting groove and the second mounting groove are communicated and are adjacently arranged along the first direction, the second mounting space comprises a third mounting groove for mounting an air pump assembly and a fourth mounting groove for mounting a battery, the third mounting groove and the fourth mounting groove are adjacently arranged along a second direction, the third mounting space comprises a first mounting position for mounting a first element and a second mounting position for mounting a second element, the first mounting position and the second mounting position are adjacently arranged along the second direction, the second direction with first direction mutually perpendicular, and the bottom of second mounting groove is equipped with the breach that is used for supplying the circulation of air molecule, the plate body still is equipped with the through-hole that is used for supplying the exit linkage of high molecule oxygen-enriched membrane to pass.

Preferably, the plate body is of a rectangular structure, the first direction is the length direction of the plate body, and the second direction is the width direction of the plate body.

Preferably, along the first direction, the second mounting groove is adjacent to the third mounting groove and the fourth mounting groove, the third mounting groove is adjacent to the first mounting position, and the fourth mounting groove is adjacent to the second mounting position.

Preferably, the first installation space further includes a first hollow column, the first hollow column is adjacent to the second installation groove along the second direction, and the inside of the first hollow column is communicated with the first installation groove.

Preferably, the up end of plate body has connected gradually first strip shaped plate, second strip shaped plate, third strip shaped plate and fourth strip shaped plate, first strip shaped plate with third strip shaped plate all follows the first direction sets up and is parallel to each other, second strip shaped plate with fourth strip shaped plate all follows the second direction sets up and is parallel to each other, first strip shaped plate the second strip shaped plate the third strip shaped plate with fourth strip shaped plate constitutes jointly and is the rectangle structure the fourth mounting groove.

Preferably, the up end of plate body has connected gradually fifth strip shaped plate, sixth strip shaped plate and the board of buckling, the fifth strip shaped plate is followed the second direction sets up, the sixth strip shaped plate is followed first direction sets up, the third strip shaped plate the fifth strip shaped plate the sixth strip shaped plate with the board of buckling constitutes jointly and is "L" type structure the third mounting groove.

Preferably, follow the first direction, the vertical annular slab that is the rectangle structure that is provided with in the tip edge of plate body, the annular slab constitutes first mounting groove, the annular slab is connected with two panels that are parallel to each other, the panel is located the annular slab with between the second installation space, annular slab, two the panel second strip shaped plate fifth strip shaped plate constitutes jointly the second mounting groove, just the breach is located two between the panel.

Preferably, the first element is a solenoid valve, the first mounting position is provided with a first mounting hole, the bottom of the solenoid valve is provided with a second mounting hole, and a first fastener penetrates through the first mounting hole and tightly enters the second mounting hole to realize the connection between the plate body and the solenoid valve.

Preferably, the second component sets up to the muffler, second installation position is equipped with and is used for the confession the constant head tank that the lower extreme of muffler stretched into, just the periphery of constant head tank is equipped with the hollow post of a plurality of seconds, each the hollow post of second all is equipped with the screw hole, the muffler is equipped with a plurality of through-holes, the hollow post of second with the through-hole one-to-one runs through in proper order through the second fastener the through-hole tightly goes into the correspondence in the hollow post of second, in order to realize the plate body with the connection of muffler.

Preferably, the edge of the plate body is provided with a plurality of L-shaped parts, each L-shaped part comprises a first bending part and a second bending part, each first bending part is perpendicular to the plate body, each second bending part is parallel to the plate body, the lower end of each first bending part is connected with the plate body, the upper end of each first bending part is connected with the corresponding second bending part, and each second bending part is provided with an opening.

The utility model provides an among the technical scheme, precious backup pad package rubbing board body is breathed in portable, along first direction, the up end of plate body is equipped with first installation space, second installation space and third installation space in proper order, totally triplex. The first installation space comprises a first installation groove and a second installation groove, the first installation groove is used for installing the filtering device, the second installation groove is used for installing the fan, and the first installation groove and the second installation groove are communicated and are adjacently arranged along a first direction; the second mounting space comprises a third mounting groove and a fourth mounting groove, the third mounting groove is used for mounting the air pump assembly, the fourth mounting groove is used for mounting the battery, and the third mounting groove and the fourth mounting groove are adjacently arranged along the second direction and are not communicated; the third installation space includes first installation position and second installation position, and first installation position is used for installing first component, and second installation position is used for installing the second component, and first installation position and second installation position set up along the second direction is adjacent, second direction and first direction mutually perpendicular, and the bottom of second mounting groove is equipped with the breach that is used for supplying the circulation of air molecule, and the plate body still is equipped with the through-hole that is used for the outlet joint of high molecule oxygen-enriched membrane to pass.

So set up, through each mounting groove and installation position in the backup pad, carry out rational distribution to the position and the space of each part according to the shape volume of each part, make each part compact setting in the backup pad, the backup pad is installed inside breathing precious like this, and unnecessary space just can not be wasted to each part, also can make breathing precious whole occupation space little, small.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a support plate in an embodiment of the present invention;

fig. 2 is a schematic structural view of another angle support plate according to an embodiment of the present invention;

fig. 3 is an internal schematic view of the portable breathing apparatus in the embodiment of the present invention.

In FIGS. 1-3:

1. a plate body; 101. a notch; 2. a first mounting groove; 3. a second mounting groove; 4. a third mounting groove; 5. a fourth mounting groove; 6. a first mounting location; 601. a first mounting hole; 7. a second mounting location; 8. a first hollow column; 9. an annular plate; 10. a panel; 11. a first strip-shaped plate; 12. a second strip; 13. a third strip; 14. a fourth strip plate; 15. a fifth strip-shaped plate; 16. a sixth strip-shaped plate; 17. a bending plate; 18. positioning a groove; 19. a second hollow column; 20. a threaded hole; 21. an "L" shaped piece; 211. a first bent portion; 212. a second bent portion; 22. opening a hole; 23. a filtration device; 24. a fan; 25. a battery; 26. an air pump assembly; 27. an electromagnetic valve; 28. a muffler; 29. an outlet fitting; 30. a housing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An object of this embodiment is to provide a precious backup pad is breathed in portable, solves among the prior art and breathes precious occupation space big, bulky, the compact problem inadequately of structure.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1-2, in the present embodiment, the support plate of the portable breathing apparatus includes a plate body 1, and a first installation space, a second installation space and a third installation space are sequentially disposed on an upper end surface of the plate body 1 along a first direction. The first installation space comprises a first installation groove 2 and a second installation groove 3, the first installation groove 2 is used for installing a filtering device 23, the second installation groove 3 is used for installing a fan 24, and the first installation groove 2 and the second installation groove 3 are communicated and are adjacently arranged along a first direction; the second mounting space comprises a third mounting groove 4 and a fourth mounting groove 5, the third mounting groove 4 is used for mounting the air pump assembly 26, the fourth mounting groove 5 is used for mounting the battery 25, and the third mounting groove 4 and the fourth mounting groove 5 are adjacently arranged along the second direction and are not communicated; the third installation space includes first installation position 6 and second installation position 7, first installation position 6 is used for installing first component, second installation position 7 is used for installing the second component, first installation position 6 and second installation position 7 are adjacent along the second direction and are set up, second direction and first direction mutually perpendicular, and the bottom of second installation groove 3 is equipped with the breach 101 that is used for supplying the circulation of air molecule, plate body 1 still is equipped with the through-hole that is used for the outlet joint 29 of high molecule oxygen-enriched membrane to pass. Specifically, the lower end surface of the support plate is used for mounting a polymer oxygen-enriched membrane, the fan 24 of the second mounting groove 3 can blow air molecules to the polymer oxygen-enriched membrane below through the notch 101, and oxygen molecules passing through the polymer oxygen-enriched membrane flow out from the outlet connector 29.

So set up, through each mounting groove and installation position in the backup pad, carry out rational distribution according to the shape volume of each part to the position and the space of each part, make filter equipment 23, fan 24, battery 25, air pump assembly 26, the equal compactness of first component and second component set up in the backup pad, the backup pad is installed inside breathing precious like this, and each part just can not waste unnecessary space, also can make breathing precious whole occupation space little, small.

In this embodiment, the plate body 1 is a rectangular structure, the first direction is set to the length direction of the plate body 1, the second direction is set to the width direction of the plate body 1, that is, the first mounting groove 2 and the second mounting groove 3 are adjacently arranged along the length direction of the plate body 1, the third mounting groove 4 and the fourth mounting groove 5 are adjacently arranged along the width direction of the plate body 1, and the first mounting position 6 and the second mounting position 7 are adjacently arranged along the width direction of the plate body 1.

Preferably, in this embodiment, along the length direction of the plate body 1, the second mounting groove 3 is disposed adjacent to both the third mounting groove 4 and the fourth mounting groove 5, the third mounting groove 4 is disposed adjacent to the first mounting position 6, and the fourth mounting groove 5 is disposed adjacent to the second mounting position 7.

As an optional implementation manner, the first installation space further includes a first hollow column 8, the first hollow column 8 is disposed adjacent to the second installation groove 3 along the second direction, the interior of the first hollow column 8 is communicated with the first installation groove 2, and the first hollow column 8 is used for communicating the air pump assembly 26 in the fourth installation groove 5. Thus, after the external air is primarily filtered by the filter 23, the fan 24 blows the filtered air to the polymer oxygen enrichment membrane through the notch 101, the oxygen molecules permeating the polymer oxygen enrichment membrane flow out through the outlet connector 29, and the air molecules that do not permeate the polymer oxygen enrichment membrane can enter the air pump assembly 26 through the first hollow column 8.

As an optional embodiment, a first strip-shaped plate 11, a second strip-shaped plate 12, a third strip-shaped plate 13 and a fourth strip-shaped plate 14 are sequentially connected to the upper end surface of the plate body 1, the first strip-shaped plate 11 and the third strip-shaped plate 13 are both arranged along the length direction of the plate body 1 and are parallel to each other, the second strip-shaped plate 12 is close to the first installation space, the fourth strip-shaped plate 14 is close to the third installation space, the lengths of the first strip-shaped plate 11 and the third strip-shaped plate 13 are both greater than the lengths of the second strip-shaped plate 12 and the fourth strip-shaped plate 14, so that the first strip-shaped plate 11, the second strip-shaped plate 12, the third strip-shaped plate 13 and the fourth strip-shaped plate 14 jointly form a fourth installation groove 5 in a rectangular structure, a battery 25 can be installed in the fourth installation groove 5, the outer surface of the battery 25 is matched with the groove wall surface of the fourth installation groove 5, and the length direction of the battery 25 is identical to the length direction of the fourth mounting groove 5, and the width direction of the battery 25 is identical to the width direction of the fourth mounting groove 5.

So set up, realize spacing and fixed battery 25 part through fourth mounting groove 5.

As an optional implementation manner, a fifth strip-shaped plate 15, a sixth strip-shaped plate 16 and a bending plate 17 are sequentially connected to the upper end surface of the plate body 1, the fifth strip-shaped plate 15 is disposed along the width direction of the plate body 1, the fifth strip-shaped plate 15 is coplanar with the second strip-shaped plate 12, the sixth strip-shaped plate 16 is disposed along the length direction of the plate body 1, the bending plate 17 includes three sections, and the third strip-shaped plate 13, the fifth strip-shaped plate 15, the sixth strip-shaped plate 16 and the bending plate 17 together form a third mounting groove 4 in an "L" shape structure. The air pump module 26 can be installed in the third installation groove 4, and likewise, the outer surface of the air pump module 26 is fitted to the groove wall surface of the third installation groove 4.

So set up, realize spacing and fixed to air pump assembly 26 through third mounting groove 4.

In a preferred embodiment, an annular plate 9 with a rectangular structure is vertically arranged at one end edge of the plate body 1 along a first direction, namely along the length direction of the plate body 1, the annular plate 9 forms a first mounting groove 2, the annular plate 9 is connected with two panels 10 which are parallel to each other, the panels 10 are positioned between the annular plate 9 and a second mounting space, the edge of one panel 10 is connected with a second strip-shaped plate 12, the edge of the other panel 10 is connected with a fifth strip-shaped plate 15, the annular plate 9, the two panels 10, the second strip-shaped plate 12 and the fifth strip-shaped plate 15 together form a second mounting groove 3, and the gap 101 is positioned between the two panels 10. Specifically, the filter device 23 is a hepa filter, the wall surface of the first installation groove 2 is fitted to the outer surface of the filter device 23, and the outer surface of the fan 24 is in contact with both the panels 10.

So set up, realize spacing and fixed to filter equipment 23 through first mounting groove 2, realize spacing and fixed to fan 24 through second mounting groove 3.

As an alternative embodiment, the first element is provided as a solenoid valve 27, the first mounting position 6 is provided with a first mounting hole 601, the bottom of the solenoid valve 27 is provided with a second mounting hole, and the first mounting hole 601 is penetrated through the lower end surface of the supporting plate and tightly screwed into the second mounting hole through a first fastening member, so that the connection between the plate body 1 and the solenoid valve 27 is realized. Specifically, the first fastening member may be provided as a screw or a bolt, and the second mounting hole at the bottom of the solenoid valve 27 may be provided as a threaded hole.

As an alternative embodiment, the second element is provided as a silencer 28, and the second mounting location 7 is provided with a positioning groove 18 for the lower end of the silencer 28 to extend into, specifically, the groove wall surface of the positioning groove 18 is matched with the lower end surface of the silencer 28, so that the positioning groove 18 can limit the position of the silencer 28. The periphery of constant head tank 18 is equipped with the hollow post 19 of a plurality of seconds, and each hollow post 19 of second all is equipped with screw hole 20, and muffler 28 is equipped with a plurality of through-holes, and the hollow post 19 of second and through-hole one-to-one run through the through-hole in proper order through the second fastener and tightly go into the screw hole 20 of the hollow post 19 of the second that corresponds to realize the connection of plate body 1 and muffler 28. Optionally, the second fastener is provided as a bolt or screw. In the present embodiment, as shown in fig. 1, the number of the second hollow columns 19 is three, two second hollow columns 19 are disposed on one side of the positioning groove 18, and one second hollow column 19 is disposed on the other side.

In a preferred embodiment, as shown in fig. 2, the edge of the plate body 1 is provided with a plurality of "L" shaped parts 21, each "L" shaped part 21 includes a first bending part 211 and a second bending part 212, the first bending part 211 is perpendicular to the plate body 1, the second bending part 212 is parallel to the plate body 1, the lower end of the first bending part 211 is connected to the plate body 1, the upper end of the first bending part 211 is connected to the second bending part 212, the second bending part 212 is provided with an opening 22, and the second bending part 212 is bent toward a side away from the supporting plate. Alternatively, the opening 22 may be provided as a threaded hole.

So set up, because each part is installed to the backup pad after, the backup pad needs to be installed to breathing precious casing 30 inside, accessible fastener runs through this trompil 22 and tightens in casing 30 to realize the relative fixed of backup pad and casing 30.

The utility model also provides a portable breathing is precious, as shown in fig. 3, including casing 30, the backup pad in the above-mentioned embodiment and the filter equipment 23 of setting in casing 30, fan 24, battery 25, air pump assembly 26, solenoid valve 27, muffler 28 and be used for the polymer oxygen-enriched membrane of selective permeation oxygen-enriched ion, the setting of polymer oxygen-enriched membrane is at the lower terminal surface of backup pad, filter equipment 23 installs in first mounting groove 2 of backup pad, fan 24 installs in second mounting groove 3, air pump assembly 26 installs in third mounting groove 4, battery 25 installs in fourth mounting groove 5, solenoid valve 27 installs in first installation position 6 department, muffler 28 installs in second installation position 7 department.

Preferably, an air inlet channel, an air outlet channel, an air channel and an oxygen-enriched channel are arranged in the casing 30, the air channel and the oxygen-enriched channel are both communicated with the air inlet channel and the air outlet channel, that is, the air channel and the oxygen-enriched channel are arranged in parallel, usually, an air inlet and an air outlet are arranged on the casing 30, the filtering device 23 is arranged on the air inlet channel, air entering the casing 30 from the air inlet is firstly primarily filtered by the filtering device 23 to filter out dust, particles, hair and the like in the air, the air pump assembly 26 is arranged on the air channel, the silencer 28 is used for eliminating working noise of the air pump assembly 26, the polymer oxygen-enriched membrane is arranged on the oxygen-enriched channel, the fan 24 corresponds to the outlet end of the filtering device 23, the fan 24 can blow the filtered air molecules to the polymer oxygen-enriched membrane, the oxygen molecules which can penetrate through the polymer oxygen-enriched membrane enter the oxygen-enriched channel, and finally, the outlet connector 29, The air molecules flowing out of the air outlet but not penetrating through the polymer oxygen-enriched membrane flow through the air pump assembly 26 from the first hollow column 8 and are finally pumped to the air outlet. The electromagnetic valve 27 is communicated with the air channel and the oxygen enrichment channel so as to control the opening and closing of the air channel and the oxygen enrichment channel, and the battery 25 is used for supplying electric energy to the macromolecule oxygen enrichment membrane, the fan 24, the air pump assembly 26 and the electromagnetic valve 27.

So set up, this portable breathing is precious possesses two kinds of modes of air mode and oxygen boosting mode, and mode and function no longer are single, can select to use corresponding mode as required.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The utility model provides a plurality of schemes contain the basic scheme of itself, mutual independence to restrict each other, but it also can combine each other under the condition of not conflicting, reaches a plurality of effects and realizes jointly.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The supporting plate for the portable breathing apparatus is characterized by comprising a plate body (1), wherein a first installation space, a second installation space and a third installation space are sequentially arranged on the upper end face of the plate body (1) along a first direction, the first installation space comprises a first installation groove (2) for installing a filtering device (23) and a second installation groove (3) for installing a fan (24), the first installation groove (2) is communicated with the second installation groove (3) and is adjacently arranged along the first direction, the second installation space comprises a third installation groove (4) for installing an air pump assembly (26) and a fourth installation groove (5) for installing a battery (25), the third installation groove (4) and the fourth installation groove (5) are adjacently arranged along a second direction, the third installation space comprises a first installation position (6) for installing a first element and a second installation position (7) for installing a second element, the first installation position (6) and the second installation position (7) are adjacently arranged along the second direction, the second direction is perpendicular to the first direction, a notch (101) for air molecule circulation is formed in the bottom of the second installation groove (3), and a through hole for allowing an outlet joint (29) of the high-molecular oxygen-enriched membrane to pass through is formed in the plate body (1).

2. The support plate of the portable respirator according to claim 1, wherein the plate body (1) is a rectangular structure, the first direction is set as the length direction of the plate body (1), and the second direction is set as the width direction of the plate body (1).

3. The support plate of the portable breathing apparatus according to claim 1, wherein the second mounting groove (3) is disposed adjacent to the third mounting groove (4) and the fourth mounting groove (5) along the first direction, the third mounting groove (4) is disposed adjacent to the first mounting position (6), and the fourth mounting groove (5) is disposed adjacent to the second mounting position (7).

4. The support plate of a portable breathing apparatus according to claim 1, wherein the first installation space further comprises a first hollow column (8), the first hollow column (8) is disposed adjacent to the second installation groove (3) in the second direction, and the inside of the first hollow column (8) is communicated with the first installation groove (2).

5. The supporting plate for the portable respirator as claimed in claim 1, wherein a first strip-shaped plate (11), a second strip-shaped plate (12), a third strip-shaped plate (13) and a fourth strip-shaped plate (14) are sequentially connected to the upper end surface of the plate body (1), the first strip-shaped plate (11) and the third strip-shaped plate (13) are arranged along the first direction and are parallel to each other, the second strip-shaped plate (12) and the fourth strip-shaped plate (14) are arranged along the second direction and are parallel to each other, and the first strip-shaped plate (11), the second strip-shaped plate (12), the third strip-shaped plate (13) and the fourth strip-shaped plate (14) jointly form the fourth mounting groove (5) in a rectangular structure.

6. The supporting plate of the portable respirator according to claim 5, characterized in that a fifth strip-shaped plate (15), a sixth strip-shaped plate (16) and a bending plate (17) are connected to the upper end surface of the plate body (1) in sequence, the fifth strip-shaped plate (15) is disposed along the second direction, the sixth strip-shaped plate (16) is disposed along the first direction, and the third strip-shaped plate (13), the fifth strip-shaped plate (15), the sixth strip-shaped plate (16) and the bending plate (17) jointly form the third mounting groove (4) in an "L" shape.

7. The supporting plate of the portable respirator according to claim 6, characterized in that along the first direction, the end edge of the plate body (1) is vertically provided with a circular plate (9) having a rectangular structure, the circular plate (9) constitutes the first mounting groove (2), the circular plate (9) is connected with two panels (10) parallel to each other, the panels (10) are located between the circular plate (9) and the second mounting space, the circular plate (9), the two panels (10), the second strip-shaped plate (12) and the fifth strip-shaped plate (15) jointly constitute the second mounting groove (3), and the gap (101) is located between the two panels (10).

8. The support plate of the portable breathing apparatus according to claim 1, wherein the first element is configured as a solenoid valve (27), the first mounting position (6) is provided with a first mounting hole (601), the bottom of the solenoid valve (27) is provided with a second mounting hole, and a first fastening member penetrates through the first mounting hole (601) and is tightly screwed into the second mounting hole to realize the connection between the plate body (1) and the solenoid valve (27).

9. The support plate of the portable respirator as claimed in claim 1, wherein the second element is provided as a silencer (28), the second mounting location (7) is provided with a positioning groove (18) for the lower end of the silencer (28) to extend into, the periphery of the positioning groove (18) is provided with a plurality of second hollow columns (19), each second hollow column (19) is provided with a threaded hole (20), the silencer (28) is provided with a plurality of through holes, the second hollow columns (19) are in one-to-one correspondence with the through holes, and the second fastening members sequentially penetrate through the through holes and tightly enter the corresponding second hollow columns (19) so as to connect the plate body (1) and the silencer (28).

10. The supporting plate for a portable respirator as claimed in claim 1, wherein the edge of the plate body (1) is provided with a plurality of "L" shaped parts (21), the "L" shaped parts (21) comprise a first bending part (211) and a second bending part (212), the first bending part (211) is perpendicular to the plate body (1), the second bending part (212) is parallel to the plate body (1), the lower end of the first bending part (211) is connected to the plate body (1), the upper end of the first bending part is connected to the second bending part (212), and the second bending part (212) is provided with an opening (22).

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