CN216416177U - Safety helmet meshbelt fixing structure - Google Patents

Abstract

The utility model discloses a safety helmet mesh belt fixing structure, and aims to overcome the defects that the conventional safety helmet mesh belt fixing structure is complex in assembly procedure, the mesh belt is easy to break due to abrasion, the connecting part is easy to rub the face of a wearer, and the like. Including the embedded pendant of safety helmet casing, meshbelt, the embedded pendant of meshbelt includes pre-buried ring, connecting seat, is equipped with U type groove on the connecting seat, and pre-buried ring embedding is connected on the safety helmet casing, and the meshbelt tail end is equipped with the system hole of wearing, the connecting pin connection that sets up in U type groove and the system hole of wearing. The structure adopts the braid embedded part to be embedded in the safety helmet shell through the foaming process, the method can replace the conventional structure fixed by the connecting nail, save materials, simplify the assembly process, avoid the risks of the connecting nail rubbing the face and the like, improve the condition that the conventional structure and the whole safety helmet are arranged on a sewing workbench to implement sewing operation, and improve the safety.

Description

Safety helmet meshbelt fixing structure

Technical Field

The utility model relates to the technical field of safety helmets, in particular to a safety helmet braid fixing structure.

Background

The safety helmet is a helmet which has a protective effect on injury to the head of a person caused by falling objects and other specific factors, and is widely applied to the fields of the building industry, field operation (electric power, railways, tunnels, roads, bridges, pipelines, exploration, mining, water conservancy, forestry, animal husbandry, fishery), transportation, large-scale factories and the like. Known headgear is fitted with webbing to secure the headgear to the head of the wearer. Conventional safety helmet meshbelt fixed knot constructs usually adopts the form that the embedded nut comes to fix with the bolt, adopts this kind of structure often to have that the assembly procedure is loaded down with trivial details, meshbelt easily receive wearing and tearing and fracture, connects the position and easily rubs the not enough of wearing person face.

Chinese patent publication No. CN213045516U, announcement day 2021 year 4 month 27 day, utility model's name is a safety helmet, and this application discloses a safety helmet, including the safety helmet body, safety helmet body top is equipped with the reflective membrane of all directions, and the inboard is equipped with the head hoop, and the inside front side of head hoop is equipped with the sweatband, is equipped with protector between head hoop and the safety helmet body, and lower limb department is connected with the safety helmet frenulum through connecting the nail under the safety helmet body left and right sides, is equipped with on the safety helmet frenulum to adjust and detains. The utility model discloses a security performance is high, has better shock-absorbing capacity, and it is effectual to reflect light, can in time absorb forehead sweat, and has good gas permeability, but adopts the fixed safety helmet frenulum assembling procedure of connecting nail loaded down with trivial details, still has the risk of easy and people's face production friction.

Disclosure of Invention

The utility model overcomes the defects that the assembly procedure of the conventional safety helmet mesh belt fixing structure is complicated, the mesh belt is easy to be worn and broken, the connecting part is easy to rub the face of a wearer and the like, and provides the safety helmet mesh belt fixing structure.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a safety helmet meshbelt fixed knot constructs, includes the pre-buried pendant of safety helmet casing, meshbelt, the pre-buried pendant of meshbelt includes pre-buried ring, connecting seat, is equipped with U type groove on the connecting seat, and pre-buried ring embedding is connected on the safety helmet casing, and the meshbelt tail end is equipped with the system hole of wearing, U type groove with wear the connecting pin that sets up in the system hole and be connected. The structure adopts the braid embedded part to be embedded in the safety helmet shell through the foaming process, the method can replace the conventional structure fixed by the connecting nail, save materials, simplify the assembly process, avoid the risks of the connecting nail rubbing the face and the like, improve the condition that the conventional structure and the whole safety helmet are arranged on a sewing workbench to implement sewing operation, and improve the safety.

Preferably, the helmet shell is provided with a plurality of notches which are bilaterally symmetrical and used for embedding the hanging pieces. Thus, each hanging piece can be reliably fixed at the set position when the hanging pieces are embedded, so that the extrusion force generated when the foaming material is injected and molded can be borne without deviation or displacement.

As preferred, pre-buried ring package ring and connecting seat are equipped with the ring that a plurality of is connected on the ring, and the edge on the ring wall body is equipped with the strengthening rib of a plurality of sections arc structures. Adopt fretwork annular structure can reduce the material, set up the strengthening rib and can add intensity, avoid the pendant to drop.

Preferably, the end wall of the connecting base is provided with a plurality of clamping buckles with L-shaped structures, the U-shaped groove is formed by connecting the clamping buckles with opposite openings with the connecting base, one side of the U-shaped groove rail, which is close to the circular ring, is provided with a baffle piece for the inner side of the inlet end, and the baffle piece can enable the connecting pin to slide into the clamping groove along the inlet end for final fixation. The structure that one end is installed in a sliding mode and the other end is limited by the block is adopted, so that the woven belt 3 is not easy to fall off after being installed.

Preferably, the inner wall of the inlet end 11 is provided with a latch, and the latch comprises a first inclined latch arranged on the end wall of the slot and a second latch with a gradually decreasing slope from the circular ring to the connecting seat. This simple structure, and can accomplish the fixed effect of effectual chucking.

Preferably, the two bottom surfaces of the U-shaped groove are provided with convex inclined blocks which are used for clamping the connecting pin. The inclined block is used for fixing and supporting the connecting pin for mounting the woven belt, so that the mounted woven belt can be more stable.

Preferably, the inner walls of the groove rails on two sides of the U-shaped groove 5 are provided with clamping grooves of arc structures, and the clamping grooves are attached to the side faces of two ends of the connecting pin. The clamping groove of this laminating can make the connecting pin installation back, can rotate the regulation to it is more convenient when making the meshbelt use.

Preferably, a plurality of second reinforcing ribs are arranged on a wall body at the joint of the circular ring and the connecting seat. Further, the strength is increased, and the safety of the structure is guaranteed.

Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a, fix in the safety helmet casing through adopting the foaming process is pre-buried, replace the conventional structure that fixes with the connecting nail and can save material, simplify the assembly process, also can avoid simultaneously connecting nail friction people face wait risk, improved conventional structure must all be settled the condition of sewing up the operation on the sewing workstation together with whole safety helmet, improved the security.

Drawings

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

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

fig. 3 is an exploded view of the webbing fixing structure of the present invention;

fig. 4 is a side view of the webbing securement structure of the present invention;

fig. 5 is a side exploded view of the webbing fixing structure of the present invention.

In the figure: 1. the safety helmet comprises a safety helmet shell, 2, a braid embedded hanging piece, 3, a braid, 4, an embedded ring, 5, a U-shaped groove, 6, a notch, 7, a circular ring, 8, a reinforcing rib I, 9, a penetrating hole, 10, a connecting pin, 11, an inlet end, 12, an outlet end, 13, a blocking block, 14, a blocking piece, 15, a clamping tongue I, 16, an inclined block, 18, a connecting seat, 19, a clamping tongue II, 20, a clamping groove, 21 and a reinforcing rib II.

Detailed Description

The technical scheme of the utility model is further described in detail by the following specific embodiments in combination with the attached drawings:

as shown in the figures, a safety helmet mesh belt fixing structure (see fig. 1-5) comprises a safety helmet shell 1, a mesh belt pre-embedded hanger 2 and a mesh belt 3, wherein the mesh belt pre-embedded hanger 2 comprises a circular ring 7 and a connecting seat 18, a U-shaped groove 5 is formed in the connecting seat 18, an embedded ring 4 is embedded and connected to the safety helmet shell 1, a penetrating hole 9 is formed in the tail end of the mesh belt 3, a connecting pin 10 penetrates through the penetrating hole 9, the connecting pin 10 is connected to the U-shaped groove 5, a mesh belt pre-embedded part is embedded in the safety helmet shell, the pre-embedded part is embedded in the safety helmet shell through a foaming process, the connecting pin penetrates through a hole of the mesh belt, the connecting pin and the mesh belt are placed in the U-shaped groove of the mesh belt pre-embedded part hanger, and the connecting pin is drawn into a clamping groove along a track. The structure replaces the conventional structure fixed by the connecting nail, so that the material can be saved, the assembly process is simplified, meanwhile, the risks that the connecting nail rubs the face and the like can be avoided, the condition that the conventional structure and the whole safety helmet are arranged on a sewing workbench to implement sewing operation is improved, and the safety is improved.

More specifically, the helmet shell 1 is provided with two notches 6 for embedding the hanging pieces, which are bilaterally symmetrical, and the webbing can be fixed in a Y-shaped structure by providing two notches 6 on the left and right sides, so that each hanging piece can be reliably fixed at a set position when the hanging piece is embedded, and the squeezing force of the foaming material during injection molding can be borne without deviation or displacement. 4 package rings 7 and connecting seats of embedded ring, the ring that is equipped with a plurality of on 7 and connects, edge on the ring wall body is equipped with a plurality of sections arc structure's strengthening rib 8, and embedding foaming material part adopts fretwork annular structure can reduce the material, sets up the strengthening rib and can increase strength, avoids the pendant to drop. The end wall of the connecting base 18 is provided with a plurality of L-shaped clamping buckles 14, the U-shaped groove 5 is formed by connecting the clamping buckles 14 with opposite openings with the connecting base 18, one side of a groove rail of the U-shaped groove 5, which is close to the circular ring, is provided with a baffle 12 for the inner side of an inlet end 11 of the inlet end 11, and the baffle 12 can enable the connecting pin 10 to slide into the clamping groove along the inlet end 11 for final fixation. The structure that one end is installed in a sliding mode and the other end is limited by the block is adopted, so that the woven belt 3 is not easy to fall off after being installed. The inner wall of the inlet end 11 is provided with a latch tongue, and the latch tongue comprises a section of inclined latch tongue 15 arranged on the end wall of the clamping groove 20 and a latch tongue second 19 with the gradient gradually decreasing from the circular ring to the direction of the connecting seat 18. This simple structure, and can accomplish the fixed effect of effectual chucking. The two bottom surfaces of the U-shaped groove 5 are provided with convex inclined blocks 16, and the inclined blocks 16 are used for limiting the movement of the connecting pin 10, thereby reducing the friction of the woven belt on the face when the safety helmet is used. The inclined block 16 is used for fixing and supporting a connecting pin for mounting the woven belt, so that the mounted woven belt can be more stable; the meshbelt is not easy to be worn and broken, and the meshbelt is limited after being installed and is not easy to move, so that the wear of the connecting part to the face of a wearer is reduced. The inner walls of the groove rails on two sides of the U-shaped groove 5 are provided with clamping grooves 20 of arc structures, and the clamping grooves 20 are attached to the side faces of two ends of the connecting pin 10. The clamping groove of this laminating can make the connecting pin installation back, can rotate the regulation to it is more convenient when making the meshbelt use. A plurality of second reinforcing ribs 21 are arranged on the wall body at the joint of the circular ring and the connecting seat 18. Further, the strength is increased, and the safety of the structure is guaranteed.

The functional principle of the utility model is as follows: when the braid and the safety helmet shell are to be fixed, the braid pre-embedded hanging piece is pre-embedded in the helmet through a foaming process, the connecting pin penetrates through a hole in the tail portion of the braid, the connecting pin and the braid are placed into a U-shaped groove of the braid pre-embedded hanging piece, the braid is pulled, meanwhile, the connecting pin is drawn into the clamping groove along the groove rail, and the connecting pin is blocked by an inclined block on the bottom surface of the U-shaped groove so that the connecting pin cannot slide out.

The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the utility model as set forth in the appended claims.

Claims (7)

1. A safety helmet mesh belt fixing structure comprises a safety helmet shell (1), a mesh belt pre-embedded pendant (2) and a mesh belt (3), and is characterized in that the mesh belt pre-embedded pendant (2) comprises a pre-embedded ring (4) and a connecting seat (18), a U-shaped groove (5) is formed in the connecting seat (18), the pre-embedded ring (4) is pre-embedded in the safety helmet shell (1), a penetrating hole (9) is formed in the tail end of the mesh belt (3), a connecting pin (10) penetrates through the penetrating hole (9), and the connecting pin (10) is connected in the U-shaped groove (5); a plurality of connected circular rings (7) are arranged on the embedded ring (4), and a plurality of first reinforcing ribs (8) with arc-shaped structures are arranged at the edge of the wall body of the circular ring (7).

2. The structure for fixing the webbing of the helmet as claimed in claim 1, wherein the inner wall of the helmet case (1) is provided with a plurality of notches (6), and the pre-embedded ring (4) is installed in the notches (6).

3. The structure of claim 2, wherein the connecting base (18) has a plurality of L-shaped snap fasteners (14) on its end wall, the U-shaped groove (5) is formed by combining the connecting base (18) with the snap fasteners (14) with opposite openings, a stop piece (12) is provided on the side of the groove track of the U-shaped groove (5) close to the ring and inside the inlet end (11) of the inlet end (11), and the stop piece (12) can make the connecting pin (10) slide into the groove along the inlet end (11) for final fixation.

4. The structure of claim 3, wherein the inner wall of the inlet end (11) is provided with a latch, and the latch comprises a first inclined latch (15) arranged on the end wall of the slot (20) and a second latch (19) with a gradient gradually decreasing from the fixed section to the latch section.

5. A structure for fixing a webbing of a helmet as claimed in claim 1, wherein the U-shaped groove (5) is provided at both bottom surfaces thereof with projecting inclined pieces (16), and the inclined pieces (16) are used for clamping the connecting pin (10).

6. The structure for fixing the webbing of a safety helmet as claimed in claim 1, wherein the inner walls of the groove rails on both sides of the U-shaped groove (5) are provided with the catching grooves (20) having an arc structure, and the catching grooves (20) are fitted to both side surfaces of the connecting pin (10).

7. The structure of claim 5, wherein the wall of the connection part of the ring (7) and the connecting seat (18) is provided with a plurality of second reinforcing ribs (21).

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