CN109091772B

CN109091772B - Fireproof multilayer fire-fighting suit

Info

Publication number: CN109091772B
Application number: CN201810870744.7A
Authority: CN
Inventors: 段净尘; 李峻; 郭雪健; 王柯钦; 尚军
Original assignee: Xinxiang Xinke Protective Technology Co ltd
Current assignee: Xinxiang Xinke Protective Technology Co ltd
Priority date: 2018-08-02
Filing date: 2018-08-02
Publication date: 2020-09-08
Anticipated expiration: 2038-08-02
Also published as: CN109091772A

Abstract

The invention discloses a fireproof multilayer firefighter uniform, which comprises a firefighter uniform body, wherein the firefighter uniform body comprises a main fabric, a neck, a cover cloth, a connecting cloth, a buckle nail, a buckle seat, a shoulder plate, a elbow protecting piece, a fixing buckle, a slot, a square channel, a dry powder tank, a powder outlet pipe, a negative pressure inflation cavity and a touch panel, the neck is fixedly connected to the upper end of the main fabric, a neck cover cloth is fixedly connected to one side of the neck, the cover cloth is fixedly connected to one side of the main fabric, the connecting cloth is arranged on one side of the main fabric, magic stickers are fixedly connected to the edge of one side of the cover cloth and the edge of one side of the neck cover cloth, the fireproof multilayer firefighter uniform ensures the stable connection of the cover cloth and the main fabric, the side impact resistance of the protective uniform is improved through the elbow protecting piece and the shoulder plate, the firefighter is helped to correct the body posture through a, this fire-entry suit has add the negative pressure chamber of aerifing in order to improve the anterior protecting against shock ability of main face material.

Description

Fireproof multilayer fire-fighting suit

Technical Field

The invention relates to the technical field of firefighter uniforms, in particular to a fireproof multilayer firefighter uniform.

Background

The firefighter uniform is one of important equipment for protecting the personal safety of firefighters who are active in the first line of fire protection, and is not only an indispensable necessity in a fire rescue scene, but also a fireproof tool for protecting the bodies of the firefighters from being injured. Therefore, the firefighter uniform suitable for rescue activities in fire scenes is particularly important.

Traditional fire-entry suit function singleness can not be better provide high-quality guarantee for present fire rescue operation.

Disclosure of Invention

The invention aims to solve the problems, and provides a fireproof multilayer firefighter uniform, which solves the problems that the existing firefighter uniform has single function and can not effectively protect the personal safety of firefighters.

In order to solve the above problems, the present invention provides a technical solution: a fireproof multilayer firefighter uniform comprises a firefighter uniform body, wherein the firefighter uniform body comprises a main fabric, a neck, cover cloth, connecting cloth, fastening nails, fastening seats, shoulder plates, elbow protecting pieces, fixing fasteners, inserting grooves, square channels, a dry powder tank, a powder outlet pipe, a negative pressure inflation cavity and a touch panel, the neck is fixedly connected to the upper end of the main fabric, the neck cover cloth is fixedly connected to one side of the neck, the cover cloth is fixedly connected to one side of the main fabric, the connecting cloth is arranged on one side of the main fabric, magic adhesive tapes are fixedly connected to the edges of one side of the cover cloth and one side of the neck, magic adhesive hooks are fixedly connected to one side of the connecting cloth and the edge of one side of the neck, the neck and the cover cloth and the connecting cloth are connected through the magic adhesive hooks, and the fastening nails are fixedly mounted at the edge connection of one side of, the button nail comprises a bottom cover, a contact cover, a connecting rod and a ball nail, wherein the contact cover is fixedly mounted at the upper end of the bottom cover, the center of the upper end of the contact cover is fixedly connected with the ball nail through the connecting rod, a plurality of button seats are fixedly mounted on one side of the connecting cloth, and the covering cloth is fixedly connected with the button seats through the button nails.

Preferably, the shoulder part at the upper end of the main fabric is provided with two shoulder plates, the two shoulder plates are designed according to the structure of the shoulder part of a human body, the two sides of the main fabric are fixedly connected with a sleeve, the middle part of the sleeve is fixedly provided with an elbow protecting piece, the elbow protecting piece comprises two elbow protecting steel rings, the two elbow protecting steel rings are respectively connected through an upper connecting piece and a lower connecting piece, a fixed block is fixedly arranged between the two elbow protecting steel rings, the lower end of the fixed block is fixedly connected with a limiting spring, the two ends of the limiting spring are respectively connected at the central positions of one sides of the two elbow protecting steel rings, the lower end of the main fabric is fixedly connected with a plurality of fixing buckles, the fixing buckles are provided with fixed bottom blocks, the two edges at the upper ends of the fixed bottom blocks are fixedly connected with semi-arc pieces, a circular hole is formed between the two semi-arc pieces, two the montant upper end is connected through two horizontal poles, two be equipped with the slot between montant and two horizontal poles, the torsional spring clamp is installed to the slot upper end, slot one side is equipped with the rotor plate, one of them output fixed connection of rotor plate and torsional spring clamp, another output and the slot up end fixed connection of torsional spring clamp, the lower extreme of slot inner chamber is equipped with the dog, dog and rotor plate lower extreme looks adaptation design.

Preferably, two square channels are arranged in the middle of one side of the main fabric, the two square channels are symmetrically distributed around a longitudinal center axis of the main fabric, a first V-shaped buckle is arranged on one side of each square channel, a connecting belt is fixedly connected to one side of each first V-shaped buckle, a dry powder tank is arranged on one side of the main fabric, the dry powder tank is fixedly connected to three arc plates close to one side of each slot, two hooks are fixedly mounted between the three arc plates respectively, the dry powder tank is fixedly connected with the main fabric through the hooks and the slots, the positions of two side edges of the dry powder tank are fixedly connected with second V-shaped buckles, the dry powder tank is fixedly connected with the main fabric through the two second V-shaped buckles and the two first V-shaped buckles, a powder outlet pipe is fixedly connected to an output end of the dry powder tank, and a regulating valve is fixedly mounted at.

Two the connecting band passes corresponding square passageway, two respectively two port department of connecting band is fixed connection plug-in components and connection slot respectively, drop cloth one side fixed mounting has the negative pressure to aerify the chamber, two through connecting block fixed connection between the negative pressure inflation chamber, the connecting block upper end is equipped with the touch panel, the inside hollow chamber that is equipped with of connecting block, touch panel lower extreme central point puts the fixed connection slide bar, the slide bar lower extreme sets up at hollow intracavity, hollow chamber bottom is equipped with two and touches pressure head, two the equal fixed connection spring in one side of negative pressure inflation intracavity portion.

Preferably, one end of each of the two springs is connected with the pressure head through a sliding rod, and two sides of each of the two sliding rods are fixedly connected with the L-shaped connecting block.

Preferably, air inlets are formed in one side of each of the two negative pressure inflation cavities, and L-shaped connecting blocks are arranged on opposite surfaces of the air inlets.

Preferably, the lower end of the connecting block is provided with two slide ways, and the two slide rods respectively slide in the corresponding slide ways.

Preferably, the main fabric is made of a stab-resistant flame-retardant fabric

Preferably, the main fabric is made of a compound of polyacrylonitrile fiber fabric and aluminum foil.

Preferably, the outer diameter of the powder outlet pipe is the same as the inner diameter of the circular hole of the plurality of fixing buckles.

The invention relates to a fireproof multilayer firefighter uniform which has the advantages of multiple functions and high safety performance, and in specific use, compared with the traditional fireproof multilayer firefighter uniform, the fireproof multilayer firefighter uniform adopts double connection of a buckle nail and a magic sticky hook to ensure stable connection of covering cloth and main fabric, the side impact resistance of the protective uniform is improved through a elbow protecting piece and a shoulder plate, firefighters are helped to correct body posture through a vertical rod and a transverse rod of the back, the back is prevented from being damaged due to long-time operation, a dry powder tank is installed by taking the vertical rod and the transverse rod as a base plate, the overall fire extinguishing capacity of the firefighter uniform is improved by additionally arranging dry powder fire extinguishing equipment, and particularly, the firefighter uniform is additionally provided with a negative pressure inflation cavity for improving the impact resistance of the front part of the main fabric.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a fastener structure of the present invention;

FIG. 3 is a schematic view of the elbow guard of the present invention;

FIG. 4 is a schematic view of the internal structure of the elbow guard of the present invention;

FIG. 5 is a schematic view of a fixing buckle according to the present invention;

FIG. 6 is a schematic view of a primary facestock backside structure of the present invention;

FIG. 7 is a schematic view of a socket structure according to the present invention;

FIG. 8 is a schematic view of a first V-shaped buckle according to the present invention;

FIG. 9 is a schematic illustration of a dry powder canister configuration of the present invention;

FIG. 10 is a schematic view of a drape deployment configuration of the present invention;

FIG. 11 is a front view of the present invention;

FIG. 12 is a schematic view of the internal structure of the negative pressure plenum of the present invention.

In the figure: 1. a firefighter uniform body; 2. a main fabric; 3. a neck portion; 4. a neck drape; 5. covering cloth; 6. connecting cloth; 7. magic sticking; 8. magic sticky hooks; 9. fastening; 10. a bottom cover; 11. a contact cover; 12. a connecting rod; 13. ball nails; 14. a buckle seat; 15. a shoulder plate; 16. an elbow guard; 17. elbow guard steel rings; 18. an upper connecting sheet; 19. a lower connecting sheet; 20. a fixed block; 21. a limiting spring; 22. a fixing buckle; 23. fixing the bottom block; 24. a semi-arc; 25. a circular hole; 26. a vertical rod; 27. a cross bar; 28. a slot; 29. a torsion spring clip; 30. a rotating sheet; 31. a stopper; 32. a square channel; 33. a first V-shaped buckle; 34. a connecting belt; 35. a dry powder tank; 36. an arc-shaped plate; 37. hooking; 38. a second V-shaped buckle; 39. a powder outlet pipe; 40. adjusting a valve; 41. oversleeves; 42. connecting the plug-in; 43. a negative pressure inflation cavity; 44. a touch panel; 45. a slide bar; 46. connecting blocks; 47. a hollow cavity; 48. a pressure-contact head; 49. a slide bar; 50. a spring; 51. an L-shaped connecting block; 52. and connecting the slot.

Detailed Description

As shown in fig. 1 to 12, the following technical solutions are adopted in the present embodiment: a fireproof multilayer firefighter uniform comprises a firefighter uniform body 1, wherein the firefighter uniform body 1 comprises a main fabric 2, the main fabric 2 is made of stab-resistant and flame-resistant fabric,

the upper end of the main fabric 2 is fixedly connected with a neck 3, one side of the neck is fixedly connected with a neck cover cloth 4, one side of the main fabric 2 is fixedly connected with a cover cloth 5, one side of the main fabric 2 is provided with a connecting cloth 6, the edge of one side of the cover cloth 5 close to the edge and the edge of one side of the neck cover cloth 4 are fixedly connected with magic adhesive 7, the edge of one side of the connecting cloth 6 close to the edge and the edge of one side of the neck 3 are fixedly connected with magic adhesive hooks 8, the neck 3 and the neck cover cloth 4 and the cover cloth 5 and the connecting cloth 6 are connected through the magic adhesive 7 and the magic adhesive hooks 8, the edge connection part of one side of the cover cloth 5 is fixedly provided with a plurality of fastening nails 9, each fastening nail 9 comprises a bottom cover 10, a contact cover 11, a connecting rod 12 and a ball nail 13, the upper end of the bottom cover 10 is fixedly provided, a plurality of buckle seats 14 are fixedly installed on one side of the connecting cloth 6, and the cover cloth 5 is fixedly connected with the buckle seats 14 through the connecting cloth 6 through the buckles 9.

Wherein, the shoulder part of the upper end of the main fabric 2 is provided with two shoulder plates 15, the two shoulder plates 15 are designed according to the structure of the shoulder part of a human body, the two sides of the main fabric 2 are fixedly connected with a sleeve 41, the middle part of the sleeve 41 is fixedly provided with an elbow protecting piece 16, the elbow protecting piece 16 comprises two elbow protecting steel rings 17, the two elbow protecting steel rings 17 are respectively connected through an upper connecting piece 18 and a lower connecting piece 19, a fixed block 20 is fixedly arranged between the two elbow protecting steel rings 17, the lower end of the fixed block 20 is fixedly connected with a limit spring 21, the two ends of the limit spring 21 are respectively connected at the central position of one side of the two elbow protecting steel rings 17, the lower end of the main fabric 2 is fixedly connected with a plurality of fixed buckles 22, the fixed buckles 22 are provided with fixed bottom blocks 23, the two edges of the upper end of the fixed bottom blocks 23 are fixedly connected, two vertical rods 26 are fixedly connected to one side of the main fabric 2, the two vertical rods 26 are symmetrically distributed with respect to the longitudinal central axis of the main fabric 2, the upper ends of the two vertical rods 26 are connected through two cross rods 27, a slot 28 is arranged between the two vertical rods 26 and the two cross rods 27, a torsion spring clamp 29 is mounted at the upper end of the slot 28, a rotating sheet 30 is arranged at one side of the slot 28, the rotating sheet 30 is fixedly connected with one output end of the torsion spring clamp 29, the other output end of the torsion spring clamp 29 is fixedly connected with the upper end face of the slot 28, a stop block 31 is arranged at the lower end of the inner cavity of the slot 28, the stop block 31 is designed to be matched with the lower end of the rotating sheet 30, two square channels 32 are arranged in the middle of one side of the main fabric 2, the two square channels 32 are symmetrically distributed with respect to the longitudinal central axis of, the first V-shaped buckles 33 are fixedly connected with a connecting belt 34 on one side, a dry powder tank 35 is arranged on one side of the main fabric 2, three arc-shaped plates 36 are fixedly connected on one side of the dry powder tank 35 close to the slot 28, two hooks 37 are fixedly installed between the three arc-shaped plates 36 respectively, the dry powder tank 35 is fixedly connected with the main fabric 2 through the hooks 37 and the slot 28, the positions of two side edges of the dry powder tank 35 are fixedly connected with second V-shaped buckles 38, the dry powder tank 35 is fixedly connected with the main fabric 2 through the two second V-shaped buckles 38 and the two first V-shaped buckles 33, the output end of the dry powder tank 35 is fixedly connected with a powder outlet pipe 39, a regulating valve 40 is fixedly installed at the position of a port of the powder outlet pipe 39, the two connecting belts 34 respectively penetrate through the corresponding square channels 32, and two ports of the two connecting belts 34 are respectively fixedly connected with, 5 one side fixed mounting of drop cloth has negative pressure inflation chamber 43, two between the negative pressure inflation chamber 43 through connecting block 46 fixed connection, connecting block 46 upper end is equipped with touch panel 44, connecting block 46 is inside to be equipped with hollow chamber 47, touch panel 44 lower extreme central point puts fixed connection slide bar 45, the slide bar 45 lower extreme sets up in hollow chamber 47, hollow chamber 47 bottom is equipped with two pressure contact heads 48, two equal fixed connection spring 50 of negative pressure inflation chamber 43 inside one side, two spring 50 one end is connected respectively through slide bar 49 and is touched pressure head 48, two equal fixed connection L type connecting block 51 in slide bar 49 both sides, two negative pressure inflation chamber 43 one side all is equipped with the air inlet, the opposite face of air inlet is provided with L type connecting block 51, connecting block 46 lower extreme is equipped with two slides, two slide bar 49 slide in corresponding slide respectively, the outer diameter of the powder outlet pipe 39 is the same as the inner diameter of the circular hole 25 of the fixing buckles 22;

the manufacturing method of the stab-resistant flame-retardant special garment comprises the following steps:

(1) preparing a flame-retardant garment fabric: simultaneously putting polystyrene into a plurality of reaction kettles, heating to 240 ℃ at a speed of 20 ℃/min until the polystyrene is in a molten state, respectively adding equivalent nano ZrO2, heating to 265 ℃ at a speed of 10 ℃/min, continuously stirring until the polystyrene and the nano ZrO2 are uniformly dispersed, controlling the mass ratio of the polystyrene to the nano ZrO2 to be 10:1, extruding and discharging the polystyrene from a small opening, connecting one end of the material with a knitting machine, arranging a dryer between a discharge opening and the knitting machine, pulling the raw material to be formed into threads by rotating a rotating shaft, and knitting the threads at the same time to obtain the flame-retardant garment material;

(2) preparing the stab-resistant garment material: arranging aramid fiber-high molecular weight polyethylene-aramid fiber in parallel, immersing the aramid fiber in polyurethane to form premix, superposing the premix in different directions, adding tertiary amine into resin, and curing to obtain the stab-resistant garment fabric;

(3) fabric treatment: manufacturing a main fabric 2 according to a clothes sample plate, modifying and cutting the flame-retardant garment fabric and the stab-resistant garment fabric, performing dense-thread sewing on the cut flame-retardant garment fabric and the stab-resistant garment fabric from outside to inside according to a three-layer arrangement structure of the stab-resistant garment fabric, the flame-retardant garment fabric and the stab-resistant garment fabric to obtain a stab-resistant flame-retardant fabric semi-finished product, depositing a SiC semi-molten raw material on the outer surface of the stab-resistant flame-retardant fabric semi-finished product through a thermal spraying technology, and obtaining a finished main fabric 2 after complete cooling and fixation.

The using state of the invention is as follows: a fireproof multi-layer firefighter uniform has the advantages of multiple functions and high safety performance, firstly, a hook 37 of a dry powder tank 35 is inserted into a slot 28, the dry powder tank 35 is fixed on a vertical rod 26 and a cross rod 27 through a connecting plug 42 and a connecting slot 52, then a powder outlet pipe 39 is buckled on a fixing buckle 22 and is taken down when in use, the powder outlet amount is controlled through a regulating valve 40, then a covering cloth 5 is covered on a main material 2 through a magic sticky hook 8, a magic sticky 7, a buckle nail 9 and a bottom cover 10, meanwhile, a neck covering cloth 4 is covered on a neck 3, when a firefighter uniform body 1 is impacted, a shoulder plate 15 and a elbow protecting piece 16 effectively reduce the damage of the joints of a firefighter, when the front surface is impacted, a touch plate 44 is forced to be pressed into a hollow cavity 47, at the moment, two touch pressure heads 48 are forced to be pressed into a connecting block 46, a spring 50 is compressed, and two L-shaped connecting blocks 51 are inserted into, the sealing wooden plug at the air inlet is pushed into the air inlet, the negative pressure inflating cavity 43 rapidly inhales air, and the front surface of the main fabric 2 is protected by expansion.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The fireproof multilayer firefighter uniform comprises a firefighter uniform body (1) and is characterized in that the firefighter uniform body (1) comprises a main fabric (2), the upper end of the main fabric (2) is fixedly connected with a neck (3), one side of the neck is fixedly connected with a neck cover cloth (4), one side of the main fabric (2) is fixedly connected with a cover cloth (5), one side of the main fabric (2) is provided with a connecting cloth (6), the edges of one side of the cover cloth (5) close to the edge and one side of the neck cover cloth (4) are fixedly connected with magic adhesive hooks (7), one side of the connecting cloth (6) close to the edge and one side of the neck (3) are fixedly connected with magic adhesive hooks (8), and the neck (3) and the neck cover cloth (4) and the cover cloth (5) and the connecting cloth (6) are connected with the magic adhesive hooks (8) through the magic adhesive hooks (, at least one fastening nail (9) is fixedly installed at the joint of one side edge of the cover cloth (5), each fastening nail (9) comprises a bottom cover (10), a contact cover (11), a connecting rod (12) and a ball nail (13), the contact cover (11) is fixedly installed at the upper end of the bottom cover (10), the ball nail (13) is fixedly connected with the central position of the upper end of the contact cover (11) through the connecting rod (12), at least one fastening seat (14) is fixedly installed on one side of the connecting cloth (6), and the cover cloth (5) is fixedly connected with the connecting cloth (6) through the fastening nail (9) and the fastening seat (14); the shoulder part of the upper end of the main fabric (2) is provided with two shoulder plates (15), the two shoulder plates (15) are designed according to the structure of the shoulder part of a human body, the two sides of the main fabric (2) are fixedly connected with sleeves (41), the middle parts of the sleeves (41) are both fixedly provided with elbow protecting pieces (16), each elbow protecting piece (16) comprises two elbow protecting steel rings (17), the two elbow protecting steel rings (17) are respectively connected through an upper connecting piece (18) and a lower connecting piece (19), a fixing block (20) is fixedly arranged between the two elbow protecting steel rings (17), the lower end of the fixing block (20) is fixedly connected with a limiting spring (21), the two ends of the limiting spring (21) are respectively connected to the central position of one side of the two elbow protecting steel rings (17), the lower end of the main fabric (2) is fixedly connected with at least one fixing buckle (22), and the fixing buckle (22), the upper end of the fixed bottom block (23) is fixedly connected with semi-arc-shaped parts (24) at two edges, a circular hole (25) is formed between the two semi-arc-shaped parts (24), one side of the main fabric (2) is fixedly connected with two vertical rods (26), the two vertical rods (26) are distributed in a line symmetry mode relative to the longitudinal center line of the main fabric (2), the upper ends of the two vertical rods (26) are connected through two cross rods (27), an insertion groove (28) is formed between the two vertical rods (26) and the two cross rods (27), a torsion spring clamp (29) is installed at the upper end of the insertion groove (28), a rotating sheet (30) is arranged at one side of the insertion groove (28), the rotating sheet (30) is fixedly connected with one output end of the torsion spring clamp (29), the other output end of the torsion spring clamp (29) is fixedly connected with the upper end face of the insertion groove (28), and, the stop block (31) is designed to be matched with the lower end of the rotating sheet (30); the main fabric (2) is provided with two square channels (32) in the middle of one side, the two square channels (32) are symmetrically distributed around the longitudinal center axis of the main fabric (2), one side of each square channel (32) is provided with a first V-shaped buckle (33), one side of each first V-shaped buckle (33) is fixedly connected with a connecting belt (34), one side of the main fabric (2) is provided with a dry powder tank (35), the dry powder tank (35) is fixedly connected with three arc-shaped plates (36) close to one side of each slot (28), the three arc-shaped plates (36) are fixedly provided with two hooks (37) respectively, the dry powder tank (35) is fixedly connected with the main fabric (2) through the hooks (37) and the slots (28), the positions of two sides of the dry powder tank (35) are fixedly connected with second V-shaped buckles (38), and the dry powder tank (35) is fixedly connected with the main fabric (2) through the two second V-shaped buckles (38) and the two first V-shaped buckles (33), the output end of the dry powder tank (35) is fixedly connected with a powder outlet pipe (39), and an adjusting valve (40) is fixedly arranged at the port position of the powder outlet pipe (39); the two connecting belts (34) respectively penetrate through the corresponding square channels (32), two ports of the two connecting belts (34) are respectively and fixedly connected with a connecting plug-in (42) and a connecting slot (52), a negative pressure inflation cavity (43) is fixedly installed on one side of the cover cloth (5), air inlets are formed in one sides of the two negative pressure inflation cavities (43), and L-shaped connecting blocks (51) are arranged on opposite surfaces of the air inlets; the two negative pressure inflating cavities (43) are fixedly connected through a connecting block (46), a touch plate (44) is arranged at the upper end of the connecting block (46), a hollow cavity (47) is arranged inside the connecting block (46), a sliding rod (45) is fixedly connected to the center of the lower end of the touch plate (44), the lower end of the sliding rod (45) is arranged in the hollow cavity (47), two pressure contact heads (48) are arranged at the bottom of the hollow cavity (47), springs (50) are fixedly connected to one side inside each of the two negative pressure inflating cavities (43), one ends of the two springs (50) are respectively connected with the pressure contact heads (48) through sliding rods (49), and two sides of each sliding rod (49) are fixedly connected with L-shaped connecting blocks (51); the lower end of the connecting block (46) is provided with two slide ways, and the two slide rods (49) respectively slide in the corresponding slide ways.

2. A fire resistant multi-layer firefighter uniform according to claim 1, wherein: the main fabric (2) is made of a stab-resistant flame-retardant fabric.

3. A fire resistant multi-layer firefighter uniform according to claim 1, wherein: the main fabric (2) is made of a compound of polyacrylonitrile fiber fabric and aluminum foil.

4. A fire resistant multi-layer firefighter uniform according to claim 1, wherein: the outer diameter of the powder outlet pipe (39) is the same as the inner diameter of the circular hole (25) of the fixing buckle (22).