CN217722789U

CN217722789U - Head lock assembly of helmet

Info

Publication number: CN217722789U
Application number: CN202221451319.2U
Authority: CN
Inventors: 古正煇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-11-04
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a head lock subassembly of helmet, including the band, the one end of band is equipped with the latch structure, the latch structure passes through connecting portion and links to each other with the band, the shape of connecting portion is the S-shaped. The utility model discloses a head lock subassembly of helmet links to each other through the S-shaped structure between the latch structure of band and the band, and connecting portion are elastic material, have certain elasticity, can carry out appropriate extension and shrink, set up connecting portion into the S-shaped, compare in sharp linear shape and connect, can have bigger elasticity and tensile length, compare traditional band can be more nimble, helmet that can the adaptation is more types.

Description

Head lock assembly of helmet

Technical Field

The utility model belongs to the technical field of helmet accessory technique and specifically relates to indicate a head lock subassembly of helmet.

Background

The safety helmet can protect the head of a user, can be used for riders of bicycles and electric vehicles, and is also visible everywhere in construction sites. The latch on the bridle of the traditional helmet head lock structure is single in connection form with the bridle, and the latch is directly and fixedly connected with the bridle, so that the helmet type matched with the head lock is single, and meanwhile, the head lock structure is complex in parts, complex in assembly and high in mold cost. For example, a "helmet head lock structure" disclosed in chinese patent literature, whose publication No. CN211211607U includes: the device comprises two woven belts, a left belt and a right belt, wherein one end of each woven belt is provided with a rack, the upper end of each woven belt is provided with a containing hole, two bases are respectively arranged on front and back through grooves on two sides of the containing hole, the lower end of each woven belt is provided with an elastic gland of a connecting column connected with the bottom surface of the containing hole, an annular ratchet arranged on the upper part of the side wall of the containing hole, a rotating column sleeved outside the connecting column and provided with a gear positioned in the containing hole at the lower part, at least one pawl provided with an elastic clamping column positioned in a tooth valley of the annular ratchet and connected with the side wall of the rotating column, and a knob provided with a knob cover and connected with the upper end of the rotating column; the woven belts are correspondingly positioned in the front-back through grooves one by one, and the elastic pressing cover presses the upper ends of the woven belts; the containing hole side is surrounded and is equipped with two tandem arrangements and the through-hole pair that link up with the base outside, the one end of left band pass two through-holes of a through-hole pair and with the front side meshing of gear, the one end of right band pass two through-holes of another through-hole pair and with the rear side meshing of gear, though need not fix the position of meshbelt through the braid of braid buckle, and left band and right band are connected simple and practical through buckle and helmet respectively, still there is the connection form of band and latch single, make the helmet type of head lock adaptation single, the trivial details complicacy of head lock structure part simultaneously, assemble loaded down with trivial details and the problem that the mould expense is high.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a latch and band connection form on overcoming prior art's band are single for the single problem of helmet type of head lock adaptation provides a head lock subassembly of helmet. The latch structure of the head lock assembly is connected with the strap through the S-shaped elastic connecting part, and can be properly stretched and contracted to adapt to more types of helmets.

In order to realize the purpose, the utility model adopts the following technical scheme:

the head lock assembly of the helmet comprises a belt, wherein a latch structure is arranged at one end of the belt and is connected with the belt through a connecting part, and the connecting part is S-shaped. The utility model discloses a head lock subassembly of helmet links to each other through the S-shaped structure between the latch structure of band and the band, and connecting portion are elastic material, have certain elasticity, can carry out appropriate extension and shrink, set up connecting portion into the S-shaped, compare in sharp linear connection, can have bigger elasticity and tensile length, compare traditional band and can be more nimble, helmet that can the adaptation is more types.

As the utility model discloses a preferred scheme, connecting portion are the elasticity material, have elasticity, and the band has two, the latch structure is including calorie strip and a plurality of latch, the both sides of calorie strip are located to a plurality of latch symmetries.

As the preferred scheme of the utility model, the other end of band is equipped with the spout, the inboard of spout is equipped with the rack.

As the utility model discloses a preferred scheme still includes knob and pawl, the side of knob is equipped with anti-skidding stripe, be equipped with on the pawl and block piece and gear, the gear meshes with the rack in the spout mutually.

As a preferred scheme of the utility model, be equipped with the mounting groove on the casing, the mounting groove is used for installation knob and pawl, the both sides of casing are equipped with the band and lead to the groove. The utility model discloses a casing adopts the integral type structure, compares traditional head lock branch upper and lower cover, and the equipment is simpler, and has reduced the quantity of spare part, can save mould expense, reduce cost.

As the preferred proposal of the utility model, the utility model also comprises a soft rubber lower cover which is arranged below the shell and connected with the shell. For letting the person of wearing more feel add comfortablely, the thread gluing can be pasted at the casing to the head lock subassembly of traditional helmet and the bubble is cotton to be connected, and the utility model discloses a structure of head lock subassembly adoption flexible rubber sleeve casing is compared traditional mode and is more convenient when the equipment, and looks like having more the wholeness ability, more pleasing to the eye.

As the preferred scheme of the utility model, be equipped with a plurality of through-holes on the band, the shape of through-hole is any one of rectangle, square, circular, trapezoidal.

Therefore, the utility model discloses following beneficial effect has: the utility model discloses a head lock component of a helmet, the latch structure of the belt is connected with the belt through the S-shaped structure, compared with the traditional belt, the angle can be adjusted more flexibly, and the head lock component can be adapted to more types of helmets; the shell of the utility model adopts an integrated structure, compared with the traditional head lock which is divided into an upper cover and a lower cover, the assembly is simpler, the number of parts is reduced, the cost of the mould can be saved, and the cost is reduced; the utility model discloses a head lock subassembly adopts the structure of flexible rubber sleeve casing, and it is more convenient when the equipment to compare traditional mode, and looks more have the wholeness ability, and is more pleasing to the eye.

Drawings

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

fig. 2 is an exploded view of the present invention;

fig. 3 is a schematic view of the latch structure and the S-shaped connecting portion of the present invention.

In the figure: 1. a belt; 2. a latch structure; 201. clamping the strip; 202. clamping teeth; 3. a connecting portion; 4. a chute; 5. a rack; 6. a knob; 601. anti-skid stripes; 7. a pawl; 701. a blocking block; 8. a housing; 801. mounting grooves; 802. a strap through slot; 9. a soft rubber lower cover; 10. and a through hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 and 2, a head lock assembly of a helmet comprises a belt 1, a knob 6, a pawl 7, a shell 8 and a soft foot lower cover, as shown in fig. 3, one end of the belt 1 is provided with a latch structure 2, the latch structure 2 is connected with the belt 1 through a connecting part 3, the connecting part 3 is S-shaped, the latch structure 2 of the belt 1 is connected with the belt 1 through the S-shaped structure, the belt 1 and the connecting part 3 are made of elastic materials and have certain elasticity, and can be appropriately stretched and contracted, and the connecting part 3 is S-shaped, so that compared with a linear connection, the head lock assembly of a helmet has higher elasticity and stretching length, and can be more flexibly adjusted in angle compared with the conventional belt 1, and can be adapted to more types of helmets; the two clamping belts 1 are provided, the clamping tooth structure 2 comprises a clamping strip 201 and a plurality of clamping teeth 202, the plurality of clamping teeth 202 are symmetrically arranged on two sides of the clamping strip 201, a sliding groove 4 is formed in the other end of the clamping belt 1, a rack 5 is arranged on the inner side of the sliding groove 4, anti-skidding stripes 601 are arranged on the side face of the knob 6, a blocking block 701 and a gear are arranged on the pawl 7, the gear is meshed with the rack 5 in the sliding groove 4, a mounting groove 801 is formed in the shell 8 and used for mounting the knob 6 and the pawl 7, through grooves 802 for the clamping belt are formed in two sides of the shell 8, the shell 8 is of an integrated structure, compared with a traditional head lock, the assembly is simpler, the number of parts is reduced, the mold cost can be saved, and the cost is reduced; the soft rubber lower cover 9 is arranged below the shell 8 and connected with the shell 8, and the head lock assembly adopts the structure of the soft rubber sleeve shell 8, so that the assembly is more convenient and faster compared with the traditional mode, and the head lock assembly looks more integral and more attractive; the strap 1 is provided with a plurality of through holes 10, the through holes 10 are in any one or more of a rectangle, a square, a circle and a trapezoid, on one hand, the through holes 10 can reduce the weight of the head lock assembly, and on the other hand, the flexibility of the strap 1 can be improved.

In this embodiment, one end of the strap 1 with the rack 5 is inserted into the housing 8 from the strap through slot 802, two straps 1 are provided, one strap 1 is pressed on the other strap 1, the sliding slot 4 corresponds to the mounting slot 801, the insertion lengths or positions of the two straps 1 are uniform, then the pawl 7 and the knob 6 are mounted in the mounting slot 801, wherein the pawl 7 and the knob 6 realize the action and transmission of force through the stop block 701, the gear on the pawl 7 is meshed with the rack 5 on the strap 1, and finally the soft rubber lower cover 9 is sleeved under the housing 8 to complete the assembly. When the knob 6 is rotated, the knob 6 drives the gear on the pawl 7 to rotate through the stop block 701, the wheel is meshed with the rack 5 on the belt 1, and the gear rotates to drive the belt 1 to move, so that the contraction action of the belt 1 is realized, and the locking is realized.

The above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention.

Claims

1. The utility model provides a head lock subassembly of helmet, characterized by, includes the band, the one end of band is equipped with the latch structure, the latch structure passes through connecting portion and links to each other with the band, the shape of connecting portion is the S-shaped, connecting portion are elastic material, have elasticity, the band has two, the latch structure includes card strip and a plurality of latch, the both sides of card strip are located to a plurality of latch symmetries.

2. The head lock assembly of a helmet as claimed in claim 1, wherein the strap has a sliding groove formed at the other end thereof, and a rack is formed inside the sliding groove.

3. The helmet head lock assembly of claim 1, further comprising a knob and a pawl, wherein the knob has anti-slip strips on a side surface thereof, the pawl has a stopper and a gear, and the gear is engaged with the rack in the sliding groove.

4. The head lock assembly of a helmet according to claim 3, further comprising a housing, wherein the housing has a mounting groove for mounting the knob and the pawl, and wherein the housing has strap through slots on both sides.

5. The head lock assembly of a helmet as claimed in claim 4, further comprising a soft rubber lower cover, wherein the soft rubber lower cover is disposed below the shell and connected to the shell.

6. The head lock assembly of a helmet as claimed in claim 1, wherein said strap has a plurality of through holes formed therein, said through holes having any one of a rectangular, square, circular and trapezoidal shape.