CN117719652A - Backpack respirator - Google Patents
Backpack respirator Download PDFInfo
- Publication number
- CN117719652A CN117719652A CN202410024138.9A CN202410024138A CN117719652A CN 117719652 A CN117719652 A CN 117719652A CN 202410024138 A CN202410024138 A CN 202410024138A CN 117719652 A CN117719652 A CN 117719652A
- Authority
- CN
- China
- Prior art keywords
- propeller
- mounting plate
- clamping
- plate
- snap ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000010521 absorption reaction Methods 0.000 claims abstract description 33
- 230000001681 protective effect Effects 0.000 claims abstract description 30
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 23
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 23
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 20
- 239000001301 oxygen Substances 0.000 claims abstract description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 description 11
- 230000009189 diving Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The invention discloses a backpack respirator, which comprises a back pasting plate, a load plate, a carbon dioxide absorbing tank, an absorbing tank protecting cover, an oxygen bottle, a propeller and a propeller mounting plate, wherein the back pasting plate, the load plate and the carbon dioxide absorbing tank are sequentially connected; arc-shaped grooves matched for placing oxygen cylinders are formed in two sides of the back of the protective cover of the absorption tank, and first mounting holes for mounting first binding bands are formed in two sides of each arc-shaped groove; the propeller mounting plate is arranged in the middle of the back surface of the protective cover of the absorption tank, and the propeller is arranged on the propeller mounting plate. The invention can protect the carbon dioxide absorption tank, is rapid and stable to install, ensures the stability of the whole equipment, has more reasonable and compact overall layout and better practicability.
Description
Technical Field
The invention belongs to the technical field of diving equipment, and particularly relates to a backpack respirator.
Background
A submersible means an active deep diving device with underwater viewing and operation capabilities. The underwater operation device is mainly used for performing tasks such as underwater investigation, submarine exploration, submarine development, salvage, lifesaving and the like, and can be used as an underwater operation base for the activities of divers. Also known as deep submersible vehicles and submersible vehicles.
Along with the development of society, dive has become gradually and has become a recreation item that ordinary people played under water, diving equipment has also developed small-size shallow sea diving equipment by large-scale deep sea diving equipment gradually, in current shallow sea diving equipment, through need use the carbon dioxide absorbing tank, and in order to make things convenient for the installation of carbon dioxide absorbing tank, generally install it on a load board, when needing to carry on the back of the diver, install the load board again on a backplate that is laminated with human back, it is convenient to install, convenient to use, but the space of this kind of structure is comparatively little, do not have sufficient space installation oxygen jar and propeller etc. moreover carbon dioxide absorbing tank also easily with go out the striking and damage equipment, need the improvement.
Disclosure of Invention
The object of the present invention is to provide a backpack respirator that solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the backpack respirator comprises a back pasting plate, a load plate, a carbon dioxide absorbing tank, an absorbing tank protecting cover, an oxygen bottle, a propeller and a propeller mounting plate, wherein the back pasting plate, the load plate and the carbon dioxide absorbing tank are sequentially connected; arc grooves matched with the oxygen cylinders are formed in the two sides of the back of the protective cover of the absorption tank, and first mounting holes for mounting first binding bands are formed in the two sides of each arc groove and used for binding the oxygen cylinders to the back of the protective cover of the absorption tank through the first binding bands; the propeller mounting plate is arranged in the middle of the back surface of the protective cover of the absorption tank, and the propeller is arranged on the propeller mounting plate.
As a preferable technical scheme in the invention, a plurality of clamping holes distributed along the length direction are formed on two sides of the load plate, a plurality of buckles distributed along the length direction are formed on two sides of the front surface of the protective cover of the absorption tank, and each buckle is matched and clamped with one clamping hole; the buckle is an L-shaped buckle, the L-shaped buckle comprises a clamping stage parallel to the load board and a connecting section perpendicular to the load board, one end of the connecting section is connected with the protective cover of the absorption tank, and the other end of the connecting section is perpendicularly connected with the clamping stage; the width of the clamping stage, the width of the connecting section and the width of the clamping hole are all equal, the length of the clamping stage is smaller than that of the clamping hole, and the connecting section and one end of the clamping hole are propped against each other by the relative sliding of the clamping stage and the connecting section after the clamping stage passes through the clamping hole.
As a preferable technical scheme in the invention, the rear end opening of the absorbing tank protecting cover is arranged, the front end of the absorbing tank protecting cover extends towards the front and is provided with an arc-shaped limiting part which wraps the front end of the carbon dioxide absorbing tank, the front of the arc-shaped limiting part is provided with a connecting plate parallel to the back plate, the connecting plate is provided with a first threaded hole which is connected with the positioning bolt in a matching way, and the front end of the back plate is provided with a second threaded hole which is connected with the positioning bolt in a matching way.
As a preferable technical scheme in the invention, a locating plate is arranged in the middle of the protective cover of the absorption tank, a locating groove is arranged in the middle of the front surface of the propeller mounting plate, the propeller mounting plate is detachably connected with the protective cover of the absorption tank through a first bolt, and the locating plate is arranged in the locating groove in a matching way.
As a preferable technical scheme in the invention, one, two or three propellers are arranged, and when one propeller is arranged, the propellers are arranged at the middle part or one side of the back surface of the propeller mounting plate; when two propellers are arranged, the two propellers are respectively arranged on two sides of the back surface of the propeller mounting plate; when three propellers are arranged, the three propellers are respectively arranged at the middle part and two sides of the back surface of the propeller mounting plate.
As a preferable technical scheme in the invention, the propeller is detachably connected to the outer side of the propeller mounting plate through a first snap ring and a second snap ring, the first snap ring and the second snap ring clamp the propeller at two sides of the propeller respectively, two ends of the first snap ring are connected with two ends of the second snap ring through second bolts, and the first snap ring is connected with the propeller mounting plate.
As an optimized technical scheme in the invention, the joint part of the first snap ring and the propeller and the joint part of the second snap ring and the propeller are respectively provided with an arc-shaped clamping groove matched and jointed with the propeller, and a buffer cushion is arranged in the arc-shaped clamping groove.
As a preferable technical scheme, the middle part of the first snap ring is connected with the propeller mounting plate through a third bolt, and a lower counter bore for accommodating a nut part of the third bolt is arranged on the first snap ring or the propeller mounting plate.
As a preferable technical scheme in the invention, the connection position of the propeller mounting plate and the first clamping ring is provided with an annular bulge, a plurality of first clamping teeth are uniformly distributed on the annular bulge, and one surface of the first clamping ring, which is attached to the propeller mounting plate, is provided with a plurality of first clamping grooves which are matched and meshed with the first clamping teeth.
As a preferable technical scheme in the invention, the front surface of the propeller mounting plate is of an arc-shaped groove structure matched and attached with the leg, and at least two binding band mounting hole groups distributed along the length direction of the propeller mounting plate are arranged on the propeller mounting plate and used for binding the propeller mounting plate detached from the protective cover of the absorption tank to the leg after the second binding band passes through the binding band mounting hole groups; each binding band mounting hole group comprises two second mounting holes symmetrically formed in the width direction of the propeller mounting plate.
The beneficial effects are that: according to the invention, the absorbing tank protective cover is arranged outside the carbon dioxide absorbing tank, so that the carbon dioxide absorbing tank can be protected, damage of the carbon dioxide absorbing tank due to collision and the like during diving is avoided, and the arc-shaped grooves matched with the oxygen bottle are arranged on the two sides of the back surface of the absorbing tank protective cover, so that more equipment can be placed in the absorbing tank protective cover, the absorbing tank protective cover can be submerged for a longer time under water, the actual experience effect and safety are improved, and then the oxygen bottle is stably fixed on the absorbing tank protective cover through the first mounting holes on the two sides of the arc-shaped grooves, so that the absorbing tank protective cover is simple and practical; the front surface of the absorbing tank protecting cover is clamped with the load board, when the absorbing tank protecting cover is installed, the preliminary installation and positioning of the absorbing tank protecting cover can be realized, the absorbing tank protecting cover and the threaded holes on the back attaching plate can be mutually corresponding, and then the positioning bolts can be quickly installed, the final positioning and installation of the absorbing tank protecting cover are realized, and the stability of the whole equipment is ensured; meanwhile, the propeller mounting plate 7 is arranged in the middle of the back of the protective cover of the absorption tank, and the propeller is arranged on the propeller mounting plate, so that the overall layout is more reasonable and compact, and the practicability is better.
Drawings
FIG. 1 is an exploded view of the invention;
FIG. 2 is a schematic view of a portion of the structure of the present invention;
FIG. 3 is a schematic front view of the structure of FIG. 2;
FIG. 4 is a schematic view of the structure of FIG. 2 without the back-mounted board;
FIG. 5 is a schematic view of the protective cover of the absorber tank according to the present invention;
FIG. 6 is a schematic view of the installation of a propeller of the present invention on a propeller mounting plate;
FIG. 7 is a schematic view of a portion of the structure of FIG. 6;
fig. 8 is a front end schematic view of the structure of fig. 6.
In the figure: 1-sticking a backboard; 101-a second threaded hole; 2-loading plate; 3-carbon dioxide absorption tank; 4-an absorber tank boot; 401-a first mounting hole; 402-snap; 403-connecting plates; 404-positioning a plate; 5-oxygen cylinder; 6-propeller; 7-a propeller mounting plate; 701-a first latch; 702-a second mounting hole; 8-a first snap ring; 9-a second snap ring; 10-a second bolt; 11-a cushion pad; 12-power supply.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present invention, but is not intended to limit the present invention.
Examples:
as shown in fig. 1-8, this embodiment provides a backpack respirator, including a back plate 1, a load board 2 and a carbon dioxide absorbing tank 3 which are sequentially connected, and further including an absorbing tank protecting cover 4, an oxygen bottle 5, a propeller 6 and a propeller mounting plate 7, of course, a power supply 12 and the like are also mounted in practice, and the mounting is optional according to practical needs and conditions, the embodiment does not specifically limit and further describe that the absorbing tank protecting cover 4 is covered outside the carbon dioxide absorbing tank 3, the front surface of the absorbing tank protecting cover 4 (i.e. the surface of the absorbing tank protecting cover 4 close to the back of a human body) is clamped with the load board 2, when mounting, the primary mounting positioning of the absorbing tank protecting cover 4 can be realized, and the front surface of the absorbing tank protecting cover 4 is connected with the back plate 1 through positioning bolts, and on the basis of the clamping the front surface with the load board 2, for example, the connection of the absorbing tank protecting cover 4 and the back plate 1 is faster and more stable, for example, the absorbing tank protecting cover 4 and the load board 2 are clamped, the threaded holes on the absorbing tank protecting cover 4 and the back plate 1 can be positioned accurately and correspondingly and accurately; arc grooves matched with the oxygen bottle 5 are formed in the two sides of the back of the absorption tank protection cover 4, so that the fitting of the oxygen bottle 5 and the absorption tank protection cover 4 is more compact, the oxygen bottle 5 is more stable after being installed, first mounting holes 401 for mounting first binding bands are formed in the two sides of each arc groove, the oxygen bottle 5 is bound to the back of the absorption tank protection cover 4 through the first binding bands, and the stability of the oxygen bottle 5 is further guaranteed; the propeller mounting plate 7 is mounted in the middle of the back of the absorption tank protective cover 4, and the propeller 6 is mounted on the propeller mounting plate 7, so that the overall layout is more reasonable and compact.
It should be noted that the structure of the strap is very large, for example, the strap can be selected to be tied to the human body, the strap of the belt type can be selected, and the like, and the strap is not particularly limited.
According to the invention, the absorption tank protective cover 4 is arranged outside the carbon dioxide absorption tank 3, so that the carbon dioxide absorption tank 3 can be protected, damage of the carbon dioxide absorption tank 3 due to collision and the like during diving is avoided, and the two sides of the back surface of the absorption tank protective cover 4 are provided with the arc-shaped grooves matched with the oxygen bottle 5, so that more equipment can be placed in the application, the device can be submerged for a longer time under water, the actual experience effect and the safety are improved, and then the oxygen bottle 5 is stably fixed on the absorption tank protective cover 4 through the first mounting holes 401 on the two sides of the arc-shaped grooves, so that the device is simple and practical; the front surface of the absorbing tank protecting cover 4 is clamped with the load board 2, when the absorbing tank protecting cover is installed, the preliminary installation and positioning of the absorbing tank protecting cover 4 can be realized, the absorbing tank protecting cover 4 and the threaded holes on the backboard 1 can be mutually corresponding, and then the positioning bolts can be quickly installed, so that the final positioning and installation of the absorbing tank protecting cover 4 are realized, and the stability of the whole equipment is ensured; meanwhile, the propeller mounting plate 7 is arranged in the middle of the back surface of the protective cover 4 of the absorption tank, and the propeller 6 is arranged on the propeller mounting plate 7, so that the overall layout is more reasonable and compact, and the practicability is better.
As a preferred implementation manner in this embodiment, it should be further explained that, a plurality of fastening holes distributed along the length direction are provided on both sides of the load board 2, a plurality of fastening buckles 402 distributed along the length direction are provided on both sides of the front surface of the protective cover 4 of the absorption tank, each fastening buckle 402 is fastened with one fastening hole in a matching manner, and the fastening of a plurality of points can make the structure stress more uniform, the stress is distributed in multiple points, so that the structural stability is better, and the service life of the device is easier to be ensured; the buckle 402 is an L-shaped buckle, the L-shaped buckle comprises a clamping stage parallel to the load board 2 and a connecting section perpendicular to the load board 2, one end of the connecting section is connected with the protective cover 4 of the absorption tank, and the other end of the connecting section is perpendicularly connected with the clamping stage; the width of card stage, the width of linkage segment and the width of card hole all equal, and the length of card stage is less than the length of card hole, and the card stage passes the card hole after both relative slip make linkage segment and the one end looks butt of card hole, at the in-process of actual installation, the card stage of L shape buckle passes the card hole, can realize the spacing of absorption tank protection cover 4 unipolar orientation, then slip absorption tank protection cover 4 for the one end looks butt of linkage segment and card hole just so can realize spacing in the diaxon direction, further improves the spacing of load board 2 to absorption tank protection cover 4.
As a preferred implementation manner in this embodiment, it needs to be further explained that the rear end opening of the absorbing tank protection cover 4 is disposed, when the clamping stage of the L-shaped buckle passes through the clamping hole, the rear end opening can be used as an avoiding port when the absorbing tank protection cover 4 slides, the front end of the absorbing tank protection cover 4 extends towards the front and is provided with an arc-shaped limiting portion for wrapping the front end of the carbon dioxide absorbing tank 3, the carbon dioxide absorbing tank 3 is further protected, the front of the arc-shaped limiting portion is provided with a connecting plate 403 parallel to the backboard 1, the connecting plate 403 is provided with a first threaded hole connected with the positioning bolt in a matching manner, and the front end of the backboard 1 is provided with a second threaded hole 101 connected with the positioning bolt in a matching manner, so that the connection of the positioning bolt is easier to realize.
As a preferred implementation manner in this embodiment, it needs to be further described that the positioning plate 404 is disposed in the middle of the tank protection cover 4, a positioning groove is disposed in the middle of the front surface of the propeller mounting plate 7, the propeller mounting plate 7 is detachably connected with the tank protection cover 4 through a first bolt, and the positioning plate 404 is disposed in the positioning groove in a matching manner, so that the propeller mounting plate 7 can be quickly positioned, and the propeller mounting plate 7 can be more simply mounted.
As a preferred embodiment in this example it is further stated that said propeller 6 is provided with one, two or three, when the propeller 6 is provided with one, the propeller 6 is mounted in the middle or on one side of the back of the propeller mounting plate 7, such as when the present legging propeller is bound to both legs, the propeller 2 is preferably mounted on the side of the two legging propellers remote from each other; when the number of the propellers 6 is two, the two propellers 6 are respectively arranged on two sides of the back surface of the propeller mounting plate 7; when three impellers 6 are provided, the three impellers 6 are respectively mounted on the middle and both sides of the back surface of the impeller mounting plate 7. The specific installation number and the installation position of the propeller 6 are selected according to actual conditions, and the stability of thrust can be ensured under all three conditions.
As a preferred embodiment in this embodiment, it should be further explained that the propeller 6 is detachably connected to the outer side of the propeller mounting plate 7 through the first snap ring 8 and the second snap ring 9, the first snap ring 8 and the second snap ring 9 respectively clamp the propeller 6 at two sides of the propeller 6, two ends of the first snap ring 8 and two ends of the second snap ring 9 are connected through the second bolts 10, so as to ensure that the first snap ring 8 and the second snap ring 9 can stably clamp the propeller 6, the first snap ring 8 is connected with the propeller mounting plate 7, and then the propeller 6 is stably connected to the propeller mounting plate 7.
As a preferred embodiment in this embodiment, it needs to be further explained that, the portion of the first snap ring 8 that is attached to the propeller 6 and the portion of the second snap ring 9 that is attached to the propeller 6 are both provided with an arc-shaped slot that is matched with the propeller 6, so that the attaching performance is better, and meanwhile, the binding effect of the first snap ring 9 and the second snap ring 9 to the propeller 6 is better, and a buffer pad 11 is provided in the arc-shaped slot, so that damage caused by too large stress can be avoided while the propeller 6 is clamped.
As a preferred embodiment of the present embodiment, it should be further described that the middle portion of the first snap ring 8 is connected to the propeller mounting plate 7 through a third bolt, so that the connection is simple and stable, and the first snap ring 8 or the propeller mounting plate 7 is provided with a lower counter bore for accommodating the nut portion of the third bolt, so that the installation of other structures is not affected.
As a preferred embodiment in this embodiment, it needs to be further described that, the connection position of the propeller mounting plate 7 and the first snap ring 8 is provided with an annular protrusion, a plurality of first latches 701 are uniformly distributed on the annular protrusion, and a plurality of first slots matching with the first latches 701 are formed on the surface of the first snap ring 8, which is attached to the propeller mounting plate 7, so that the first snap ring 8 is more stable to be mounted, no rotation or the like occurs, and stability of the propeller 6 is further ensured.
As a preferred implementation manner in this example, it should be further explained that the front surface of the propeller mounting plate 7 has an arc-shaped slot structure that matches and fits with the leg, at least two strap mounting hole groups distributed along the length direction of the propeller mounting plate 7 are provided on the propeller mounting plate 7, and the propeller mounting plate 7 detached from the tank protection cover 4 is bound to the leg after the second strap passes through the strap mounting hole groups; each strap mounting hole group comprises two second mounting holes 702 symmetrically formed in the width direction of the propeller mounting plate 7. In the actual use process, the propeller mounting plate 7 provided with the propeller 6 can be bound to the leg part according to the requirement, so that the selectivity is increased, and the angle of the propeller 6 can be adjusted by utilizing simple actions such as bending of the leg part at the moment, so that the direction adjustment and the like are simpler, and the device is more flexible and practical. Note that, in practice, the number of the second mounting holes 702 may be selected according to practical situations, and the present embodiment is not limited specifically.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the invention and is not intended to limit the scope of the invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The backpack respirator comprises a back pasting plate (1), a load plate (2) and a carbon dioxide absorbing tank (3) which are sequentially connected, and is characterized by further comprising an absorbing tank protecting cover (4), an oxygen bottle (5), a propeller (6) and a propeller mounting plate (7), wherein the absorbing tank protecting cover (4) is covered outside the carbon dioxide absorbing tank (3), the front face of the absorbing tank protecting cover (4) is clamped with the load plate (2), and the front face of the absorbing tank protecting cover (4) is connected with the back pasting plate (1) through positioning bolts; arc-shaped grooves matched with the oxygen cylinders (5) are formed in two sides of the back of the absorption tank protection cover (4), and first mounting holes (401) for mounting first binding bands are formed in two sides of each arc-shaped groove and used for binding the oxygen cylinders (5) on the back of the absorption tank protection cover (4) through the first binding bands; the propeller mounting plate (7) is arranged in the middle of the back surface of the absorption tank protective cover (4), and the propeller (6) is arranged on the propeller mounting plate (7).
2. The backpack respirator according to claim 1, wherein a plurality of clamping holes distributed along the length direction are formed in both sides of the load plate (2), a plurality of buckles (402) distributed along the length direction are formed in both sides of the front surface of the absorbing tank protecting cover (4), and each buckle (402) is matched and clamped with one clamping hole; the buckle (402) is an L-shaped buckle, the L-shaped buckle comprises a clamping stage parallel to the load board (2) and a connecting section perpendicular to the load board (2), one end of the connecting section is connected with the protective cover (4) of the absorption tank, and the other end of the connecting section is perpendicularly connected with the clamping stage; the width of the clamping stage, the width of the connecting section and the width of the clamping hole are all equal, the length of the clamping stage is smaller than that of the clamping hole, and the connecting section and one end of the clamping hole are propped against each other by the relative sliding of the clamping stage and the connecting section after the clamping stage passes through the clamping hole.
3. The backpack respirator according to claim 1 or 2, wherein the rear end opening of the absorbing tank protecting cover (4) is arranged, the front end of the absorbing tank protecting cover (4) extends towards the front and is provided with an arc-shaped limiting part for wrapping the front end of the carbon dioxide absorbing tank (3), the front of the arc-shaped limiting part is provided with a connecting plate (403) parallel to the backboard (1), the connecting plate (403) is provided with a first threaded hole matched and connected with a positioning bolt, and the front end of the backboard (1) is provided with a second threaded hole (101) matched and connected with the positioning bolt.
4. The backpack respirator according to claim 1, wherein a locating plate (404) is arranged in the middle of the absorbing tank protective cover (4), a locating groove is arranged in the middle of the front face of the propeller mounting plate (7), the propeller mounting plate (7) is detachably connected with the absorbing tank protective cover (4) through a first bolt, and the locating plate (404) is arranged in the locating groove in a matching mode.
5. A backpack respirator according to claim 1 or 4, wherein the propeller (6) is provided with one, two or three, and when the propeller (6) is provided with one, the propeller (6) is mounted on the middle or one side of the back of the propeller mounting plate (7); when two propellers (6) are arranged, the two propellers (6) are respectively arranged at two sides of the back surface of the propeller mounting plate (7); when three propellers (6) are arranged, the three propellers (6) are respectively arranged at the middle part and two sides of the back surface of the propeller mounting plate (7).
6. The backpack respirator according to claim 5, wherein the propeller (6) is detachably connected to the outer side of the propeller mounting plate (7) through a first snap ring (8) and a second snap ring (9), the first snap ring (8) and the second snap ring (9) clamp the propeller (6) at two sides of the propeller (6), two ends of the first snap ring (8) are connected with two ends of the second snap ring (9) through second bolts (10), and the first snap ring (8) is connected with the propeller mounting plate (7).
7. The backpack respirator according to claim 6, wherein the parts of the first snap ring (8) and the propeller (6) and the parts of the second snap ring (9) and the propeller (6) are respectively provided with an arc-shaped clamping groove matched and jointed with the propeller (6), and a buffer pad (11) is arranged in the arc-shaped clamping groove.
8. The backpack respirator according to claim 6, wherein the middle portion of the first snap ring (8) is connected to the propeller mounting plate (7) by a third bolt, and a lower counterbore for receiving a nut portion of the third bolt is provided on the first snap ring (8) or the propeller mounting plate (7).
9. The backpack respirator according to claim 8, wherein annular protrusions are arranged at the positions where the propeller mounting plate (7) is connected with the first clamping ring (8), a plurality of first clamping teeth (701) are uniformly distributed on the annular protrusions, and a plurality of first clamping grooves which are in matched engagement with the first clamping teeth (701) are arranged on the surface, which is attached to the propeller mounting plate (7), of the first clamping ring (8).
10. The backpack respirator according to claim 1, wherein the front surface of the propeller mounting plate (7) is an arc-shaped groove structure matched and attached with the leg, and at least two strap mounting hole groups distributed along the length direction of the propeller mounting plate (7) are arranged on the propeller mounting plate (7) so that the propeller mounting plate (7) detached from the absorbing tank protective cover (4) is bound to the leg after the second strap passes through the strap mounting hole groups; each binding band mounting hole group comprises two second mounting holes (702) symmetrically formed in the width direction of the propeller mounting plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410024138.9A CN117719652A (en) | 2024-01-05 | 2024-01-05 | Backpack respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410024138.9A CN117719652A (en) | 2024-01-05 | 2024-01-05 | Backpack respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117719652A true CN117719652A (en) | 2024-03-19 |
Family
ID=90205429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410024138.9A Pending CN117719652A (en) | 2024-01-05 | 2024-01-05 | Backpack respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117719652A (en) |
-
2024
- 2024-01-05 CN CN202410024138.9A patent/CN117719652A/en active Pending
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