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CN-122006165-A - Integrated form fire control air respirator back of body frame

CN122006165ACN 122006165 ACN122006165 ACN 122006165ACN-122006165-A

Abstract

The invention discloses an integrated fire-fighting air respirator back frame which comprises a placing piece, wherein a fixing piece is arranged on the placing piece, one end of the fixing piece is fixedly connected with a back plate, one end of the back plate is fixedly connected with a shoulder strap, an L-shaped bottom plate and a first connecting plate are arranged through the placing piece to provide a fitting type basic bearing surface for a gas cylinder, the fitting degree and stability of the gas cylinder placement are improved, a second connecting plate is hinged through a hinge, and two groups of hydraulic rods are matched with the symmetrical hinge of a connecting lug, so that the stable overturning and lifting of the placing plate are realized, the operation limit of the traditional back frame for lifting the gas cylinder is thoroughly eliminated, the physical consumption during installation and replacement is reduced, the rotation freedom degree of the hinge is limited through the axial limiting effect of a limiting bolt, the vertical fitting of the placing plate and the first connecting plate is ensured, the shaking and shifting of the gas cylinder in the use process is avoided, and meanwhile, the symmetrical supporting structure of the two groups of hydraulic rods is uniformly stressed, and the service life of the placing piece is prolonged.

Inventors

  • ZHU BOWEN
  • WANG BINYU
  • ZHANG CHENGQIANG
  • ZHANG XIAOLIN
  • YANG DEPENG

Assignees

  • 昆明市消防救援支队特勤大队

Dates

Publication Date
20260512
Application Date
20260410

Claims (8)

  1. 1. An integrated fire-fighting air respirator back frame comprises a placement piece (1), and is characterized in that a fixing piece (2) is arranged on the placement piece (1), one end of the fixing piece (2) is fixedly connected with a backboard (3), and one end of the backboard (3) is fixedly connected with a shoulder strap (4); Place piece (1) including bottom plate (11), bottom plate (11) one end fixedly connected with connecting plate one (12), connecting plate one (12) one side fixedly connected with hinge (13), hinge (13) one end fixedly connected with connecting plate two (14), connecting plate one (12) and connecting plate two (14) are articulated through hinge (13), make connecting plate two (14) can be to keeping away from bottom plate (11) one side arbitrary angle of rotation, connecting plate two (14) are towards bottom plate (11) one side fixedly connected with place board (18), bottom plate (11) side fixedly connected with engaging lug (16), engaging lug (16) one side rotation is connected with hydraulic rod (17), hydraulic rod (17) flexible end is connected with placing board (18) side end rotation, and the junction that hydraulic rod (17) flexible end was higher than hinge (13) place board (18).
  2. 2. The integrated fire air respirator back frame according to claim 1, wherein the bottom plate (11) and the first connecting plate (12) are distributed in an L shape, the hinge (13) is provided with two groups and symmetrically distributed on one side of the first connecting plate (12), the placing plate (18) is in an L shape, the outer side of the placing plate (18) is abutted against the inner sides of the bottom plate (11) and the first connecting plate (12), the connecting lugs (16) are provided with two groups and symmetrically distributed on two sides of the bottom plate (11), the hydraulic rods (17) are provided with two groups, and a group of hydraulic rods (17) are arranged on each group of connecting lugs (16).
  3. 3. The integrated fire air respirator back frame according to claim 2, wherein a limit bolt (15) is fixedly connected to one side, far away from the bottom plate (11), of the second connecting plate (14), the limit bolt (15) is composed of a fixed seat and a bolt, the fixed seat is fixedly connected with the second connecting plate (14), the bolt is in sliding connection with the fixed seat, when the bolt is in sliding connection with the fixed seat, the bottom end of the bolt extends to the area of the first connecting plate (12), axial limit is formed on the second connecting plate (14), the rotational freedom degree of the hinge (13) is limited, the second connecting plate (14) and the first connecting plate (12) are kept in a relatively vertical fixed state, and locking and positioning of the second connecting plate and the first connecting plate (12) are achieved.
  4. 4. The integrated fire air respirator back frame according to claim 3, wherein the fixing piece (2) comprises a mounting frame (21) fixedly connected with the inner side of the placement plate (18), the mounting frame (21) is Z-shaped, one end of the mounting frame (21) is fixedly connected with the side end of the back plate (3), six groups of the mounting frame (21) are symmetrically distributed on the inner side vertical surface of the placement plate (18), the side end of the mounting frame (21) is communicated with the slot (22) and the mounting groove (23), the slot (22) is communicated with the mounting groove (23), the slot (22) and the mounting groove (23) are distributed in a convex shape, the mounting frame (21) is located in the vertical direction of the center position of the mounting groove (23) and is communicated with the mounting groove (23), the first limiting holes (25) are formed in the top end of the mounting frame (21), the first limiting holes (25) are formed in two groups, and the two sides of the first limiting holes are symmetrically distributed.
  5. 5. The integrated fire air respirator back frame according to claim 4, wherein the slot (22) is internally and slidably inserted with a limiting clamping plate (26), the limiting clamping plate (26) is provided with six groups, each group of mounting frames (21) is provided with one group of limiting clamping plates (26), two groups of limiting clamping plates (26) arranged in the horizontal direction are symmetrically distributed, the corresponding surfaces of the two groups of limiting clamping plates (26) arranged in the horizontal direction are cambered surfaces, the radian is matched with the outer contour of the gas cylinder, the corresponding surfaces of the two groups of limiting clamping plates (26) arranged in the horizontal direction are embedded with one group of magnetic blocks, the corresponding surfaces of the two groups of magnetic blocks are heteropolar, and in an initial state, under the magnetic adsorption effect of the two groups of magnetic blocks, the two groups of limiting clamping plates (26) arranged in the horizontal direction move oppositely until the two groups of limiting clamping plates (26) are abutted, and the upper edges on opposite sides of the two groups of limiting clamping plates (26) are provided with inclined surfaces.
  6. 6. The integrated fire air respirator back frame according to claim 5, wherein the limiting clamping plates (26) are fixedly connected with racks (27) on one side close to the mounting groove (23), the racks (27) are provided with a plurality of groups, each group of racks (27) is fixedly connected with one group of limiting clamping plates (26), the rotary rods (28) are rotationally connected with the jacks (24), the rotary rods (28) are provided with two groups, each group of rotary rods (28) penetrate through the jacks (24) on the plurality of groups of mounting frames (21) in the same vertical direction, the outer circular surface of the rotary rods (28) is fixedly connected with gears (29), each group of rotary rods (28) is provided with a plurality of groups of gears (29), each group of gears (29) are arranged in one group of mounting groove (23), and each group of gears (29) is in meshed connection with one group of racks (27).
  7. 7. The integrated fire air respirator back frame according to claim 6, wherein the screw hole (210) is formed in the top end of the rotating rod (28), the screw bolt (211) is connected with the screw hole (210) in a threaded manner, the fixing plate (212) is fixedly connected to the top end of the screw bolt (211), the second limiting holes (213) are formed in the top end of the fixing plate (212) in a penetrating manner, the second limiting holes (213) are provided with two groups and are symmetrically distributed on two sides of the screw bolt (211), and the second limiting holes (213) and the first limiting holes (25) are identical in aperture.
  8. 8. The integrated fire air respirator back frame according to claim 7, wherein the second limiting holes (213) are slidably inserted with limiting rods (214), the limiting rods (214) are in a T shape, two groups of limiting rods (214) are arranged, a group of limiting rods (214) are arranged in each group of second limiting holes (213), and the length of each second limiting hole (213) is larger than that of each stud (211).

Description

Integrated form fire control air respirator back of body frame Technical Field The invention relates to the technical field of respiratory protection equipment, in particular to an integrated fire-fighting air respirator back frame. Background The integrated fire-fighting air respirator is based on traditional positive pressure type fire-fighting air breathing, and through integrated structural design, the individual soldier emergency protective equipment with the deep integration of a respiratory protection core system and various actual combat functions is mainly used for rescue operation in extreme environments such as fire scene, toxic and harmful gas leakage, anoxic closed space and the like, the integrated fire-fighting air respirator is mainly composed of a high-pressure carbon fiber gas cylinder, a pressure reducer, a full face mask, an air supply valve and a back frame assembly, the gas cylinder valve is opened after being worn, high-pressure air is reduced to medium pressure through the pressure reducer, and is conveyed to the face mask along with breathing as required through the air supply valve, and micro positive pressure is maintained in the face mask. The existing integrated fire-fighting air respirator is assembled and replaced by the air bottle and the back frame, the air bottle is generally required to be greatly lifted and then fed into the back frame, the upper limb strength of an operator is severely required in the process, the waist and shoulder fatigue is more easily caused by the fact that the gravity center is far away from the trunk, particularly, the integrated fire-fighting air respirator is extremely risky in an emergency scene with huge energy consumption, meanwhile, the air bottle is difficult to align quickly in a high-lift state, the installation time is prolonged, and the safety and the operation convenience of equipment in a high-risk environment are reduced. Disclosure of Invention The invention aims to solve the problems that in the prior integrated fire-fighting air respirator, the air cylinder is generally required to be greatly lifted and then is fed into the back frame after being assembled and replaced, the process is not only harsh in the requirement on the strength of the upper limbs of an operator, but also is more prone to causing fatigue of the waist and the shoulders due to the fact that the gravity center is far away from the trunk, and particularly has risks in an emergency scene with huge energy consumption, meanwhile, the air cylinder is difficult to quickly align in a high-lift state, the installation time is prolonged, and the safety and the operation convenience of equipment in a high-risk environment are reduced. The integrated fire-fighting air respirator back frame comprises a placing piece, wherein a fixing piece is arranged on the placing piece, one end of the fixing piece is fixedly connected with a backboard, and one end of the backboard is fixedly connected with a shoulder strap; place the piece and include the bottom plate, bottom plate one end fixedly connected with connecting plate one, connecting plate one side fixedly connected with hinge, hinge one end fixedly connected with connecting plate two, connecting plate one and connecting plate two pass through the hinge and articulate, make connecting plate two can rotate arbitrary angle to keeping away from bottom plate one side, connecting plate two is towards bottom plate one side fixedly connected with place the board, bottom plate side fixedly connected with engaging lug, engaging lug one side rotation is connected with the hydraulic rod, the flexible end of hydraulic rod is connected with the rotation of placing the board side, and the junction that the flexible end of hydraulic rod was higher than hinge place the board. As a still further scheme of the invention, the bottom plate and the first connecting plate are distributed in an L shape, the two groups of hinges are symmetrically distributed on one side of the first connecting plate, the placing plate is L-shaped, the outer side of the placing plate is abutted against the bottom plate and the inner side of the first connecting plate, the two groups of connecting lugs are symmetrically distributed on the two sides of the bottom plate, the two groups of hydraulic rods are arranged, and each group of connecting lugs is provided with a group of hydraulic rods. As a still further scheme of the invention, one side of the second connecting plate, which is far away from the bottom plate, is fixedly connected with a limit bolt, the limit bolt consists of a fixed seat and a bolt, the fixed seat is fixedly connected with the second connecting plate, the bolt is in sliding connection with the fixed seat, when the bolt is in sliding connection downwards, the bottom end of the bolt extends to the area of the first connecting plate, and the second connecting plate is axially limited, so that the rotational freedom degree of the hinge is limited, th