TWM585508U - Military helmet strap adjusting structure - Google Patents

Abstract

This creation provides a military helmet strap adjustment structure, which is used to combine in a military helmet, including: a body. One end of the rear connecting piece is connected to the base body, and the other end is used to be combined with a military helmet. Two fixing pieces are used for fixing to the military helmet, and the fixing pieces are provided with a perforation. A knob seat is fixed on the seat body. A reel is set in the knob seat. At least one end of a cable is fixed to the reel, and the cable passes through the perforations of the two fixing pieces. A knob is coupled to the knob seat, and the knob drives the reel to rotate to wind the cable. This can increase the structural strength and durability of the military helmet strap adjustment structure.

Description

Military helmet lace adjustment structure

This creation relates to a strap of a helmet, and more particularly to a strap adjusting structure of a military helmet.

In order to enable head protectors such as hard hats and helmets to be adjusted with different head circumference sizes, current technologies have developed a variety of adjustment structures.

One of the well-known technologies, such as the Republic of China Publication No. M551842, discloses an adjustable cap belt, which includes: an outer shell body having a receiving chamber, and two ends of the receiving chamber having communicating slots. Two hat bands are arranged in the grooves of the outer shell, each of the hat bands is provided with a long groove, and the upper groove and the lower row of teeth are respectively arranged in the long groove. A cover plate is covered on the outer shell, and the two caps can be positioned. A fixed elastic piece is arranged on the cover plate. A knob is disposed on the cover plate and the fixed elastic sheet. The upper end of the knob has a cavity, and the bottom end has a tooth plate and a gear. The gear train can mesh with the upper and lower teeth of the two cap bands. A substrate is disposed in the knob recess. And a fixing element, which can pass through and position the above components.

The above-mentioned conventional technology mainly uses a toothed disc for the knob to be rotated in sections. A gear is provided on the center of the toothed disc. The gear penetrates into the long groove of the cap belt and meshes with the upper and lower teeth. When the gear structure is worn for a long period of time, or during a more violent exercise, the vibration generated may pull the hood to loosen the gear and the teeth. The mechanism of fastening and anti-loosening is still insufficient, and the rack is exposed on the Externally, muddy water or sand can easily get stuck and cause malfunctions.

Other known technologies such as the Republic of China Announcement No. M480279 new patent system disclose a headgear adjustment structure of a bicycle helmet, and the Republic of China Announcement No. M420200 new patent system disclose a helmet fixing ring, which generally includes a base In the center, a group of sockets with a circular hollow seat shape is formed, and a group of through-hole sockets is formed on one side of the group of sockets, and a group of hollow and partially convex edge joints are formed on the other side. The two predetermined positions of the assembly edge form two toothed grooves that are parallel and symmetrical, and each toothed groove is penetrated to the grouped grooves. An ear portion is formed on both sides of the base in an elongated strip shape. The second loop is formed in a slender strip shape, and its width gradually expands from one end to the other end to form a thin end and a thick end. Each thin end is sequentially passed through each of the ear portion and the ends on both sides of the base. After that, each of the toothed grooves is continuously arranged, and a center of each of the ring-shaped belts forms a curved section that rises in the direction of the cap body. An adjusting device has an adjusting button pivotally arranged on the set of sockets, and a rod group arranged between the adjusting button and each of the ring-shaped bands. A cover is disposed on one side of the groove of the base and completely covers the groove. With the above-mentioned components, proper structure simplification is made by using the base and the loop belt, and the effect of light weight can be achieved under the condition that the required strength can be maintained, and the use of materials can be reduced to reduce manufacturing costs.

The above-mentioned conventional technology mainly uses the first tooth portion of the gear to mesh with the second tooth portion of the endless belt to adjust the tightness. However, the lightweight design of the second tooth portion on the loop belt will make the size of the teeth small, and it will easily wear out after long-term use, resulting in fault conditions such as jumping teeth and slipping.

In view of the lack of the strength of the above-mentioned structure, the anti-slip mechanism, or the lack of durability, it cannot be used as an adjustment structure for military helmets, so it is necessary to further improve it to increase the structural strength and durability to meet the requirements of military helmets strict requirements.

One of the purposes of this creation is to provide a structurally reinforced helmet strap adjustment structure that can be used in military helmets.

Another purpose of this creation is to provide a military helmet strap adjustment structure, which can still operate smoothly in mud and sand environment.

Another purpose of this creation is to provide a military helmet with a strap adjusting structure, which can firmly fix the helmet to the head, and is suitable for military use.

Another purpose of this creation is to provide a military helmet with a strap adjusting structure, which can be quickly tightened and released quickly, which is suitable for military use.

In order to achieve the above object, the adjusting structure of the military helmet strap of the present invention includes at least one body in one embodiment. One end of the rear connecting piece is connected to the base body, and the other end is used to be combined with a military helmet. Two fixing pieces are used for fixing to the military helmet, and the fixing pieces are provided with a perforation. A knob seat is fixed on the seat body. A reel is set in the knob seat. At least one end of a cable is fixed to the reel, and the cable passes through the perforations of the two fixing pieces. A knob is coupled to the knob seat, and the knob drives the reel to rotate to wind the cable. This can increase the structural strength and durability of the military helmet strap adjustment structure.

In one embodiment, it further includes two outlet fixing pieces respectively connected to two sides of the base body, and the cable passes through the two outlet fixing pieces, thereby fixing the cable to prevent the cable from floating and loosening.

In an embodiment, it further includes two sheaths disposed between the base body and the two fixing pieces, and the cable passes through the two sheaths, thereby fixing the cable to prevent the cable from floating and loosening and hair or clothing. Gossiping.

In an embodiment, the rear connecting piece is provided with two threading holes, and the cable passes through the two threading holes, thereby also strengthening the fixing of the cable and avoiding the floating and loosening of the cable and the hair or clothing. .

In one embodiment, the knob base is provided with a plurality of ratchet teeth, and the knob is provided with a plurality of elastic pieces. The elastic pieces correspond to the ratchet teeth to make the knob rotate unidirectionally with respect to the knob base, and the unidirectional ratchet structure enables the cable. When the thread is tightened, it will not loosen in the opposite direction.

In an embodiment, it further includes a shaft connected to the knob, the shaft is provided with a middle snap ring and a bottom snap ring, the knob seat is provided with a hook and can be selected to be locked in the middle snap ring or the bottom snap ring, Thereby, the elastic piece of the knob can be selected to be combined or separated from the ratchet teeth of the knob base.

In an embodiment, the reel is provided with a plurality of teeth, and the knob is provided with a plurality of tooth grooves corresponding to the teeth, whereby the tooth grooves of the knob can be selected to be combined with or separated from the teeth of the reel. The roller is released from the knob to release the cable quickly.

In an embodiment, the knob base is provided with two wire holes, and a wire plate is respectively arranged on both sides of the wire hole, thereby being able to smoothly guide the cable into the knob base for reel winding.

In one embodiment, it further comprises a jaw band set coupled to the base body, the jaw band set includes two ear bands and a lower bar band, one end of each of the two ear bands is provided with a front connecting piece, and the two front connecting pieces It is used to fix to the military helmet, thereby combining this creation with a jaw strap set to enhance the stability of the helmet to the head.

In one embodiment, it further includes a two-jaw strap connecting piece connected to the base body, and the other end of the two ear straps is respectively connected to the two-jaw strap connecting piece. Combine assembly.

In one embodiment, two ends of the chin strap are respectively connected to the middle section of the two ear straps, and the two ear straps are respectively provided with adjustment members on both sides of the chin strap connection, so that the length of the ear strap and the chin are adjusted. The position of the belt can be adjusted to the most appropriate.

In one embodiment, the chin strap is provided with a quick buckle and a chin collar, so that the chin strap can be adjusted to a tighter state, and the chin can be fastened with the chin collar to secure the military helmet to the head. The part will not bounce and shake, and can quickly release the chin strap.

The embodiments are only used to illustrate the possible implementation of this creation, but they are not used to limit the scope of this creation. In order to make the purpose, features, and advantages of this creation obvious and easy to understand, the following describes in detail the preferred embodiments of this creation with the accompanying drawings. Quantities such as “a” and “an” used in this text also include the meaning of the plural, unless the context clearly indicates otherwise that the feature does not include the plural.

Please refer to FIG. 1 to FIG. 4 at the same time. FIG. 1 shows a schematic perspective view of an embodiment of the adjusting structure of the creative military helmet lace. FIG. 2 shows an exploded perspective view of partial components of an embodiment of the adjusting structure of the creative military helmet lace, FIG. 3 shows a front view of the combination of partial components of an embodiment of the adjusting structure of the creative military helmet lace, and FIG. 4 shows a cross-sectional view in the direction of AA of FIG. 3 . This invention creates a military helmet strap adjustment structure in a preferred embodiment including at least one adjustment assembly (10), and a jaw strap group (20) can be connected below the adjustment assembly (10).

In this embodiment, the adjustment assembly (10) includes at least a body (11), a rear connecting piece (14), two fixing pieces (131), a knob seat (121), a reel (123), A cable (133) and a knob (12).

The base (11) is preferably sheet-shaped, and can be made of plastic or cloth. In order to take comfort and durability into consideration, canvas can be used for sewing. More preferably, the base (11) can be in contact with the head. One side is filled with a soft material (not shown) such as foam, so that the hindbrain part of the head does not directly touch hard objects.

The rear connecting piece (14) mainly connects the base body (11) and the military helmet (30), and may be a piece of cloth. Preferably, the rear connecting piece (14) can be formed by two cloth strips as shown in the figure. One end of the rear connecting piece (14) is connected to the base body (11), and the other end is used to be combined with the military helmet (30).

The rear connecting piece (14) may be provided with a button or a metal button hole for riveting or buckling to a military helmet (30).

Two fixing pieces (131) are arranged on both sides of the base body (11). The fixing piece (131) may be made of metal or engineering plastic with better strength.

The two fixing pieces (131) are used for fixing to the military helmet (30), and the fixing piece (131) is provided with a perforation (1311). The perforation (1311) may have an arc, forming an arc-shaped track, so that the cable (133) can smoothly slide in the perforation (1311). The fixing piece (131) may be provided with a hole (not labeled) for riveting or buckling to the military helmet (30).

The knob base (121) is fixed to the base body (11). The knob base (121) is mainly used for combining the knob (12), and is preferably made of solid engineering plastic. The knob base (121) mainly forms a ring body, and a piece of body (not labeled) can be extended at the bottom to expand the contact area with the base body (11). The knob base (121) can be fixedly combined with the base body (11) by means of pasting and sewing.

A reel (123) is disposed in the knob base (121). The reel (123) can use locking members such as claws or clamping blocks (not shown) so that the bottom of the reel (123) attached to the knob base (121) will not fall out, and it can also be opposite to the knob base ( 121) Spin.

At least one end of the cable (133) is fixed to the reel (123), and the cable (133) bypasses the perforation (1311) of the two fixing pieces (131). In this embodiment, both ends (1331) of the cable (133) are fixed to the reel (123). In this way, when the reel (123) is retracted, the cable (133) can be simultaneously rolled. ) 'S two wire ends (1331), reaching twice the winding speed. The wire end (1331) of the cable (133) can be fixed to the wire fixing base (1231) of the reel (123), and the wire fixing base (1231) can be a hole to allow the end of the cable (133) to pass through the card It can be fixed with screws or tenons to increase the fastness of fixing.

The cable (133) can be made of various durable and flexible materials.

A knob (12) is coupled to the knob base (121), and the knob (12) drives the reel (123) to rotate to wind the cable (133).

As can be understood from the above description, the military helmet strap adjustment structure of this creation, the reel (123) is driven by the knob (12) to wind up the cable (133), and the cable (133) is bypassed and fixed to the military helmet (30) The upper fixing piece (131) can shorten the distance between the base body (11) and the fixing pieces (131) on both sides, which is equivalent to reducing the size of the headband to securely fix the military helmet (30) on the head . And all the rewinding mechanisms are set in the knob seat (121), because no gears or racks are exposed outside, it can still operate smoothly in the sand environment, thereby increasing the structural strength and durability of the military helmet strap adjustment structure degree.

In this embodiment, it may further include two outlet fixing pieces (132) connected to both sides of the base body (11), and the cable (133) passes through the two outlet fixing pieces (132), thereby Fix the cable (133) to prevent the cable (133) from floating loose.

Please refer to FIG. 1 and FIG. 6 at the same time. FIG. 6 shows a wearing schematic diagram of an embodiment of the adjusting structure of the creative military helmet tie. The outlet fixing piece (132) can be provided with a cloth cover layer (not labeled) to allow the cable (133) to pass through the surface of the outlet fixing piece (132), so that the cable (133) can be better fixed.

In this embodiment, it may further include two sheaths (134) disposed between the base body (11) and the two fixing pieces (131), and the cable (133) passes through the two sheaths (134). In this way, the cable (133) is fixed to prevent the cable (133) from floating and loosening and tangling with hair or clothing.

Please refer to FIG. 1 and FIG. 6 at the same time. The sheath (134) is a soft sheath, which can be a soft silicone sleeve or a cloth sleeve with interlayer foam inside the fabric, which can protect the head and make the cable. The thread (133) does not directly contact the rubbing head, and also avoids the cable (133) from pulling hair or clothing.

The outlet fixing piece (132), the sheath (134), the fixing piece (131) and the internally routed cable (133) form a lace group (13), and the reel (123) is driven by the knob (12). Rewinding the cable (133) is equivalent to adjusting the length of the lace group (13).

In this embodiment, the rear connecting piece (14) may further be provided with two through-holes (141), and the cable (133) passes through the two through-holes (141), so as to strengthen the cables ( 133) to prevent the cable (133) from floating and loosening and tangling with hair or clothing.

Two threading holes (141) are arranged on both sides of the rear connecting piece (14) and close to the base body (11), so that the cable (133) can have an additional fixing point, and the stability of the cable (133) Sex.

In this embodiment, the knob base (121) is provided with a plurality of ratchet teeth (1212), the knob (12) is provided with a plurality of spring pieces (1242), and the spring pieces (1242) correspond to the ratchet teeth (1212) to make the The knob (12) rotates unidirectionally with respect to the knob base (121), and the unidirectional ratchet structure prevents the cable (133) from loosening in the reverse direction when it is tightened.

The plurality of shrapnels (1242) may be arranged around the outer periphery of a shrapnel seat (124), and the shrapnel seat (124) is preferably a ring body on the inner surface of the knob (12).

As shown in FIG. 2 and FIG. 3, the plurality of ratchet teeth (1212) are preferably disposed on an inner ring surface of a ratchet ring (1211). The ratchet ring (1211) may be an extension of the knob seat plate (121), or It forms a stepped ring shape with the knob seat plate (121). The knob (12) in the picture is provided with four elastic pieces (1242), but it is not limited thereto.

In order to switch between the locked and released states, in this embodiment, a shaft (122) may be further connected to the knob (12). The shaft (122) is provided with a middle snap ring (1222) and a bottom card. Ring (1223), the knob base (121) is provided with a hook (1213), and can be selected to be locked in the middle snap ring (1222) or the bottom snap ring (1223), thereby the spring piece (1242) of the knob (12) It can be combined with or detached from the ratchet teeth (1212) of the knob base (121).

Referring to FIG. 1, the shaft (122) may be provided with a hexagonal cap head to cooperate with a hexagonal inner hole in the center of the knob (12) to prevent the shaft (122) and the knob (12) from slipping on each other. The knob (12) can be locked to the screw hole (1221) of the shaft (122) by a screw (125), so that the shaft (122) and the knob (12) are tightly combined into one body.

Referring to FIG. 4, the diameter of the middle snap ring (1222) is smaller than the diameter of the bottom snap ring (1223), and the outer diameter of the middle snap ring (1222) has rounded corners. In the state of FIG. 4, the knob (12) has been pushed in toward the knob base (121), and the hook (1213) buckles the middle snap ring (1222) to position and rotate the knob (12) at this position, and the elastic piece (1242) ) Snap into the ratchet teeth (1212), so that the knob (12) can only rotate in one direction relative to the knob base (121).

Please refer to FIGS. 2 to 4 at the same time. In the embodiment, the reel (123) is provided with a plurality of teeth (1232), and the knob (12) is provided with a plurality of tooth grooves (1241) corresponding to the teeth (1232). In this way, the tooth groove (1241) of the knob (12) can be selected to be combined with or separated from the tooth (1232) of the reel (123). When separated, the reel (123) can be released from the knob (12) to quickly release the cable ( 133), can be quickly tightened and released quickly, suitable for military use.

The tooth grooves (1241) are preferably disposed on an inner annular surface of the elastic seat (124).

At this time, the knob (12) can only rotate in one direction relative to the knob base (121), and the tooth (1232) of the reel (123) is also locked into the tooth groove (1241) of the knob (12), so the knob can be rotated by fingers (12) to drive the reel (123) to retract the cable (133). When the finger releases the knob (12), the knob (12) will not rotate in the reverse direction, so you can turn the knob (12) gradually to tighten the head. The upper strap set (13) makes the helmet fit tightly against the head.

Please refer to FIG. 7. FIG. 7 shows a schematic diagram of cable winding of an embodiment of the creative military helmet strap adjustment structure. In this embodiment, both ends of the cable (133) are fixed to the reel (123). When the knob (12) is turned counterclockwise, the knob (12) drives the reel (123) from the cable (133). The cable (133) is rolled up at both ends. The cable (133) bypasses the fixing pieces (131) on both sides like a pulley set, and can close the distance between the seat body (11) and the fixing pieces (131) on both sides.

In order to make the cable (133) enter and exit the knob base (121) smoothly, in this embodiment, the knob base (121) is provided with two wire holes (1214), and the wire holes (1214) are provided with a wire plate on each side. (1215), so that the cable (133) can be smoothly guided into the knob seat (121) for winding by the reel (123).

Two corresponding lead plates (1215) may form a trumpet-shaped opening as shown in the figure.

Please refer to FIG. 5, which is a schematic diagram of the operation of FIG. 4. When removing the military helmet (30) or loosening and tightening the over-tightening strap group (13), just pull the knob (12) outwards. When the pulling force exceeds that of the middle snap ring (1222) and the hook (1213) With static friction, the hook (1213) slides over the middle snap ring (1222) and snaps to the bottom snap ring (1223). At this time, the shrapnel (1242) leaves the range of the ratchet teeth (1212) to make the knob (12) rotate freely, and the tooth (1232) of the reel (123) also leaves the tooth groove (1241) of the knob (12) to make the reel (123) is in a freely rotating state, the cable (133) can be quickly pulled out of the reel (123) and released, the strap group (13) immediately becomes long, and the military helmet (30) can be easily removed.

In this embodiment, a jaw band set (20) may be further included.

The jaw band group (20) is combined with the base body (11). The jaw band group (20) includes a two-ear band (21) and a lower band (22). A connecting piece (23), the two front connecting pieces (23) are used to be fixed to the military helmet (30), so that the creation is combined with the jaw strap group (20) to strengthen the stability of the helmet fixed to the head.

The front connecting piece (23) can be provided with a hole (not labeled) for riveting or buckling to the military helmet (30).

In this embodiment, a second jaw strap connecting piece (15) may be further connected to the base body (11), and the other end of the two ear strap (21) is respectively connected to the second jaw strap connecting piece (15). The belt connecting piece (15) can be sewn on the base body (11), which is convenient to be assembled with the jaw belt group (20).

The jaw strap connecting piece (15) may be provided with a buckle (not labeled) to facilitate connection.

Please refer to FIG. 6. In this embodiment, two ends of the chin strap (22) are respectively connected to the middle section of the two ear straps (21), and the two ear straps (21) are respectively connected to the chin strap (22). An adjusting member (24) is provided on each side, so that the length of the ear band (21) and the position of the chin band (22) can be adjusted to the most appropriate.

In this embodiment, the chin strap (22) can also be provided with a quick buckle (221) and a chin collar (222), thereby being able to adjust the chin strap (22) to a tighter state, using the chin collar (222) The chin can be fastened, so that the military helmet (30) can be fastened to the head without bouncing and shaking, and the quick buckle (221) can be released when the military helmet (30) is taken off to quickly release the chin strap (22).

In this way, this creation can firmly fix the helmet to the head, and it can be quickly tightened and released quickly, which is especially suitable for military use.

The above-mentioned embodiments are only for explaining the technical ideas and characteristics of this creation, and the purpose is to enable those who are familiar with this technique to understand the content of this creation and implement it accordingly. It should not be used to limit the scope of patents for this creation. All equivalent changes or modifications made in accordance with the spirit of the creation and the contents of the description should be covered by the scope of this creation patent.

10‧‧‧ adjustment assembly

11‧‧‧ seat

12‧‧‧ knob

121‧‧‧ knob seat

1211 ‧ ‧ ‧ ratchet ring

1212 ‧ ‧ ‧ ratchet

1213‧‧‧Hook

1214‧‧‧Wire hole

1215‧‧‧Wire board

122‧‧‧ shaft

1221‧‧‧Thread hole

1222‧‧‧Medium snap ring

1223‧‧‧Bottom snap ring

123‧‧‧Reel

1231‧‧‧line mount

1232‧‧‧tooth

124‧‧‧ Shrapnel Block

1241‧‧‧Groove

1242‧‧‧ shrapnel

125‧‧‧screw

13‧‧‧ Lace Up Set

131‧‧‧Fix

1311‧‧‧perforation

132‧‧‧outlet fixing piece

133‧‧‧cable

1331‧‧‧line end

14‧‧‧ rear connecting piece

141‧‧‧Threading hole

15‧‧‧ Jaw strap connecting piece

20‧‧‧ Jaw Band Set

21‧‧‧earband

22‧‧‧ chin strap

221‧‧‧Quick buckle

222‧‧‧Jaw ring

23‧‧‧Front connecting piece

24‧‧‧Adjustment

30‧‧‧Military Helmet

FIG. 1 shows a schematic perspective view of an embodiment of the adjusting structure of the creative military helmet strap.
FIG. 2 shows an exploded perspective view of partial components of an embodiment of the adjusting structure of the creative military helmet strap.
FIG. 3 shows a front view of a combination of local components of an embodiment of the adjusting structure of the creative military helmet tie.
FIG. 4 is a cross-sectional view taken along the line AA in FIG. 3.
FIG. 5 is a schematic diagram of the operation of FIG. 4.
FIG. 6 is a schematic diagram of wearing the embodiment of the adjusting structure of the military helmet strap according to the present invention.
FIG. 7 is a schematic diagram of cable winding in an embodiment of the creative military helmet strap adjustment structure.

Claims (12)

The utility model relates to a military helmet strap adjusting structure, which is used to be combined with a military helmet and comprises:
One body (11), flake-shaped;
A rear connecting piece (14), one end of the rear connecting piece (14) is connected to the base body (11), and the other end is used to be combined with the military helmet (30);
Two fixing pieces (131) for fixing to the inside of the military helmet (30), the fixing piece (131) is provided with a perforation (1311);
A knob base (121), fixed to the base body (11);
A reel (123) set in the knob base (121);
A cable (133), at least one end of the cable (133) is fixed to the reel (123), the cable (133) bypasses the perforation (1311) of the two fixing pieces (131), and a knob ( 12), combined with the knob base (121), the knob (12) drives the reel (123) to rotate to wind up the cable (133). According to the military helmet tie adjustment structure described in item 1 of the scope of patent application, it further includes two outlet fixing pieces (132) connected to both sides of the base (11), and the cable (133) passes through the Two outlet fixing pieces (132). According to the adjusting structure of the military helmet strap described in item 1 of the scope of patent application, it further includes two sheaths (134) provided between the base (11) and the two fixing pieces (131), and the cable (133 ) Through the two sheaths (134). According to the military helmet tie adjustment structure described in item 1 of the patent application scope, wherein the rear connecting piece (14) is provided with two threading holes (141), and the cable (133) passes through the two threading holes (141) . According to the military helmet tie adjustment structure described in item 1 of the scope of patent application, the knob seat (121) is provided with a plurality of ratchet teeth (1212), the knob (12) is provided with a plurality of shrapnels (1242), and the shrapnels (1242) Corresponding to the ratchet teeth (1212), the knob (12) is rotated unidirectionally relative to the knob base (121). According to the military helmet strap adjustment structure described in item 5 of the scope of patent application, it further includes a shaft (122) connected to the knob (12), the shaft (122) is provided with a middle snap ring (1222) and a bottom card Ring (1223), the knob base (121) is provided with a hook claw (1213), and can be selected to be locked in the middle snap ring (1222) or the bottom snap ring (1223). According to the adjustment structure of the military helmet strap described in item 6 of the scope of patent application, wherein the reel (123) is provided with a plurality of teeth (1232), and the knob (12) is provided with a plurality of tooth grooves (1241) corresponding to the teeth (1232). According to the military helmet tie adjustment structure described in item 1 of the scope of patent application, wherein the knob base (121) is provided with two wire holes (1214), and the wire holes (1214) are provided with a wire plate (1215) on each side. . The adjusting structure of the military helmet strap according to item 1 of the scope of patent application, which further comprises a jaw strap group (20) combined with the base body (11), and the jaw strap set (20) includes an ear strap (21) And the lower strap (22), one end of the two ear straps (21) is provided with a front connecting piece (23), the two front connecting pieces (23) are used to fix to the military helmet (30). The adjusting structure of the military helmet strap according to item 9 of the scope of the patent application, which further comprises a two-jaw strap connecting piece (15) connected to the base body (11), and the other ends of the two ear straps (21) are respectively connected to the Two jaw strap connecting piece (15). According to the adjusting structure of the military helmet strap described in item 9 of the scope of the patent application, wherein two ends of the chin strap (22) are respectively connected to the middle section of the two ear straps (21), and the two ear straps (21) are respectively An adjustment piece (24) is provided on each side of the chin strap (22) connection. According to the adjusting structure of the military helmet strap described in item 9 of the scope of patent application, wherein the chin strap (22) is provided with a quick buckle (221) and a chin collar (222).