CN203934726U - Buckle structure of safety helmet - Google Patents

Abstract

The utility model relates to a buckle ring structure of safety helmet, which comprises a shell seat, a pressing unit and a buckle belt; the shell seat is provided with an inlet and an outlet, a containing chamber is arranged inside the shell seat, a pressing part and a stop block are oppositely arranged between the inlet and the outlet, and the shell seat is provided with a fixing part, a chute and a slot; the pressing unit is provided with a roller wheel, the roller wheel is annularly provided with a plurality of pressing blocks, the roller wheel is provided with a shaft lever in a penetrating way, two ends of the shaft lever are arranged in the sliding chute, the shaft lever is provided with a pull rod, one end of the pull rod is provided with a pull handle, and the pull rod is sleeved with an elastic element so as to push the pressing blocks of the roller wheel to press the pressing blocks to generate a pressing force; the buckle belt penetrates through the inlet and then penetrates out of the outlet, and is pressed and positioned by the pressing force of the pressing block; thereby adjusting the length and the tightness without any loosening.

Description

Safety cap clasp structure

Technical field

The utility model relates to a kind of safety cap clasp structure, particularly relate to a kind of length and the elasticity thereof of cingulum when fastening of can stepless freely adjusting, and be subject to clashing into and also can not unclamp and come off easily, or while running at high speed, also can not be subject to windage effect and the clasp of crooked safety cap.

Background technology

The clasp structure of early stage safety cap, mainly to utilize pin thread ring and box ring to be fastened mutually, because this male and female clasp is plastic material, though there are the effects such as lightweight and cost is low, but owing to being plastic material, therefore that it fastens tight ness rating is poor, easily fracture and getting loose when being subject to clashing into, and it is after long-term use, also easily causes wearing and tearing and damage.

Therefore No. M376176 " safety cap clasp " Patent Case of utility model that has TaiWan, China on March 21st, 2010 to announce, its exposure: comprise pin thread ring and box ring, wherein pin thread ring is provided with the sheet metal being integrated with its pressing in one end of its elastic fastening plate; Box ring is established the sheet metal being integrated with its pressing in the upper limb of its jack openings end; When pin thread ring makes its one end that is combined with elastic fastening plate be inserted in the jack of box ring, pin thread ring resilience cramp can be interlocked with the upper limb of box ring jack openings end, and then the set sheet metal of pin thread ring resilience cramp is contacted with the set sheet metal of box ring, whereby, reach light weight, low cost, easily by testing standard and the object of breaking-up easy to wear not.

Yet the mode of triping of case before this patent, is mainly to utilize to press this pin thread ring; and be able to separated this male and female clasp; the mode but this kind triped, its rum point is more, and being slightly subject to clashing into can trip-free; and the head part that makes safety cap and user from; so that lose de-protected effect, or while running at high speed, because of windage excessive; also easily make safety cap produce crooked or come off, therefore hiding crisis on using.

No. M243966 " the light power push type latch closure structure " Patent Case of utility model that has again TaiWan, China on September 21st, 2004 to announce, its exposure: formed by a female buckle part, a male buckle part, sincere institute of an elasticity; Annular distance is established in this female buckle part one end, another end is provided with slot, in slot, be provided with oblique fixture block, on slot, establish frame mouth to be embedded blocking block, male buckle part one end is established annular distance another end and is provided with inserted sheet, on inserted sheet, establish locating slot, elasticity blocking block top is provided with pressing plate, in bottom, be provided with the clasp of a ring-type, in clasp, be provided with oblique trip, on clasp, establish the shell fragment of an extension shape, blocking block both sides are provided with coak, can buckle into and be incorporated on the card rank that female buckle part frame mouth side establishes with Anti-extrusion, elasticity blocking block can embedding due to female buckle part upper ledge mouth, and shell fragment wherein can be resisted against in slot on fixture block; Blocking block is placed in frame mouth, when male buckle part inserts in female buckle part, can make locating slot and oblique fixture block be interlocked.

But case adopts the identical mode of pressing to trip before this patent, therefore have equally many, the easy trip-frees of rum point separated, and when running at high speed, be easily subject to windage effect produce crooked or come off, therefore quite undesirable on using.

Utility model content

Therefore,, because current used safety cap clasp has above-mentioned all disappearances, therefore the utility model provides a kind of safety cap clasp structure, be provided with shell block, compress unit and cingulum; This shell block is provided with entrance and outlet, this shell block inside is provided with room, this room is communicated with this entrance and this outlet, this room inside is provided with pressure section between this entrance and this outlet again, and be provided with block with respect to the position of this pressure section, and this shell block is provided with fixed part, in the both sides of this shell block, be provided with chute again, separately this shell block offers fluting; Compress unit, it is arranged in the room of this shell block, this compresses unit and is provided with at least one roller, this roller abuts against between this entrance and outlet, the periphery ring of this roller is provided with a plurality of press blocks, this roller is equipped with axostylus axostyle again, establish respectively in these two chutes at the two ends of this axostylus axostyle, on this axostylus axostyle, be installed with pull bar again, one end of this pull bar is provided with pull handle, this pull handle stretches out in outside this fluting, and the press block of this this roller of pull bar ejection compresses respectively this pressure section and produces a fastening force, and compresses this block; Cingulum, its entrance by this shell block penetrates, then is passed by this outlet, and is subject to the fastening force of this press block and compresses location.

Above-mentioned shell block is combined into by the first housing half-and-half cuing open is relative with the second housing respectively.

The combination of above-mentioned this first housing and this second housing is that high frequency bonding mode, fusion mode, chimeric mode or screw-in version are fixed.

Above-mentioned entrance is located at the leading edge of this first housing, and this outlet and this fixed leg are located at the apical margin of this first housing again.

Above-mentioned room is formed at the inside of this first housing and this second housing jointly, makes the inside of this first housing and this second housing form respectively room half.

Above-mentioned pressure section is located at this first housing, and this block is located at this second housing relatively.

Above-mentioned fixed part is located at the trailing edge of this second housing.

Above-mentioned chute is arranged with two inner sides in this first housing.

Above-mentioned fluting is located at the place, trailing edge top of this first housing, and the both sides of this fluting are respectively equipped with catch.

Above-mentioned cingulum is provided with at least one fixing hole, and this first housing is provided with fixed leg again, and this fixed leg is fastened in this fixing hole.

Above-mentioned pressure section is established and is step shape.

Above-mentioned pull bar is equipped with flexible member, and this flexible member is positioned at this room, and elastic top is butted on the wall of this room and between this pull bar, with the press block of this roller of ejection, produces this fastening force.

The utlity model has following advantages:

1. the utility model can stepless freely pulls this cingulum, to adjust length and the elasticity thereof of this cingulum when fastening, so as to can rapidly safety cap being fastened, and can not unclamp arbitrarily.

2. clasp structure of the present utility model is mainly to utilize the disarmed mode that pulls pull handle, and the effect of tightening that can unclamp this cingulum, therefore not having any rum point exists, even while being subject to coming from the shock energetically of different directions, also can utilize the catch of these fluting both sides to there is the effect stopping, and utilize this cingulum can cover this pull handle, when preventing that this pull handle is subject to clashing into, can not unclamp and come off easily, therefore can guarantee user's safety in utilization yet.

3. the utility model, especially when running at high speed, also can not be subject to the impact of windage, and makes safety cap arbitrarily crooked or unclamp, therefore can further guarantee the safety in utilization of safety cap.

4. chute of the present utility model is arranged with two inner sides in this first housing, make the two ends of the axostylus axostyle of this roller only can spacing movement in these two chutes, do not expose to beyond this shell block, therefore can not produce any rum point, can be when not being subject to clashing into trip-free, and cause danger, to guarantee driver's safety.

Below in conjunction with accompanying drawing, safety cap clasp structure of the present utility model is described further.

Accompanying drawing explanation

Fig. 1 is three-dimensional exploded view of the present utility model;

Fig. 2 is three-dimensional combination figure of the present utility model;

Fig. 3 is assembled sectional view of the present utility model;

Fig. 4 is that the utility model cooperation is assembled in the use schematic diagram on safety cap;

Fig. 5 is that the press block of roller of the present utility model compresses the schematic diagram that this pressure section produces a fastening force;

Fig. 6 is that the utility model is in pulling this pull handle to unclamp the schematic diagram of cingulum;

Fig. 7 is that the utility model is concaved with the schematic diagram of chute in two inner sides of the first housing.

Description of reference numerals: 1-shell block; 11-the first housing; 12-the second housing; 13-entrance; 14-outlet; 15-fixed leg; 16-room; 161-pressure section; 162-block; 17-fixed part; 18-chute; 19-fluting; 191-catch; 2-compresses unit; 21-roller; 22-press block; 23-axostylus axostyle; 24-pull bar; 25-pull handle; 251-sheath; 26-flexible member; 3-cingulum; 31-fixing hole; A-safety cap; B-user.

The specific embodiment

Below in conjunction with drawings and Examples, to the utility model is above-mentioned, be described in more detail with other technical characterictic and advantage.

First, refer to shown in Fig. 1 and Fig. 2 and Fig. 3, the utility model embodiment includes shell block 1, compresses unit 2 and cingulum 3, wherein:

Shell block 1, it can be by the first housing 11 half-and-half cuing open with second housing 12 be relative is combined into, this first housing 11 can be high frequency bonding with the combination of this second housing 12, fusion, the mode such as chimeric or screw togather is implemented, the present embodiment is to using high frequency bonding mode as explanation, the leading edge of this first housing 11 is provided with the entrance 13 of tool gradient, the fixed leg 15 that the apical margin of this first housing 11 is provided with outlet 14 and is oppositely arranged again, in the inside of this first housing 11 and this second housing 12, can jointly be formed with the room 16 of hollow, in this first housing 11 and this second housing 12 inside, be formed with respectively room 16 half, this room 16 is communicated with this entrance 13 and outlet 14 again, this first housing 11 in this room 16 between this entrance 13 and this outlet 14 position be provided with the pressure section 161 (as shown in Figure 3) that is step shape, this second housing 12 is provided with the block 162 of dentation in the interior root edge of this room 16 with respect to the position of this pressure section 161 again, the trailing edge of this second housing 12 is provided with fixed part 17 again, separately in two inner sides of this first housing 11, be jointly concaved with relative chute 18 (as shown in Figure 7), and locate above the trailing edge of this first housing 11 to run through, be provided with fluting 19, the both sides of this fluting 19 are respectively equipped with catch 191.

Compress unit 2, it is arranged in the room 16 of this shell block 1, this compresses unit 2 and is provided with at least one roller 21, the present embodiment is provided with two rollers 21 relatively side by side, this roller 21 abuts against between the entrance 13 of this first housing 11 and outlet 14 (as shown in Figure 3), the periphery ring of this roller 21 is provided with a plurality of press blocks 22, these two rollers 21 are axially equipped with axostylus axostyle 23 jointly again, establish respectively in the chute 18 of these 11 liang of inner sides of the first housing at the two ends of this axostylus axostyle 23, so as to making this axostylus axostyle 23 can drive this roller 21 in the interior locating slip of room 16 of this shell block 1, on axostylus axostyle 23 between these two rollers 21, be installed with pull bar 24 again, one end of this pull bar 24 is provided with pull handle 25, on this pull handle 25, be arranged with sheath 251, this pull handle 25 stretches out in outside the fluting 19 of this first housing 11 again, utilizing the catch 191 of these 19 both sides of slotting can prevent that this pull handle 25 from being clashed into and unclamping comes off, separately in the rear end of this pull bar 24, be arranged with flexible member 26, this flexible member 26 can be positioned at the room 16 of this shell block 1, so as to elastic top, be butted on the wall of these room 16 trailing edges and between this pull handle 25, so as to this pull handle 25 of ejection and this two rollers 21, make its those press blocks 22 press on respectively pressure section 161 in this shell block 1 room 16 to produce a fastening force, and press on this block 162.

Cingulum 3, after being penetrated by the entrance 13 of this first housing 11, by this outlet 14, passed again, and the fastening force that is subject to the press block 22 of this roller 21 is compressed location, this cingulum 3 is provided with a plurality of fixing holes 31 again, for arbitrary fixing hole 31, can be fastened on the fixed leg 15 of this shell block 1, and utilize this cingulum 3 can cover this pull handle 25, to prevent it from being clashed into, unclamp and come off.

During combination, as shown in Figures 1 and 2, it is that this is compressed in half room 16 that unit 2 is placed in this first housing 11, and these axostylus axostyle that compresses unit 2 23 two ends are located at respectively in the chute 18 of this first housing 11, again the first housing 11 is given to combination with respect to this second housing 12, can utilize high frequency bonding mode to make this first housing 11 combine closely fixing with this second housing 12, and can delamination, and the pull bar 24 of this axostylus axostyle 23 can be stretched out by the fluting 19 of this first housing 11, utilize the formed chute 18 of this first housing 11, can make axostylus axostyle 23 two ends of this roller 21 only can be in the interior spacing movement of this two chute 18, and utilize the elastic force of this flexible member 26, the press block 22 of this roller 21 of ejection can press on respectively the pressure section 161 of this first housing 11 and the block 162 (as shown in Figure 3) of this second housing 12, finally this shell block 1 is fixed on to a side (as shown in Figure 4) of safety cap A, and this first housing 11 and outlet 14 thereof, fixed leg 15, it is the lateral surface toward this safety cap A, this cingulum 3 is fixed on another side of this safe A relatively, so, can assemble easily.

During use, as shown in Figures 4 and 5, that this safety cap A is worn on after the head of user B, while wanting this cingulum 3 of fastening, after can be first this cingulum 3 being penetrated via the entrance 13 of this shell block 1, the strength of utilizing this cingulum 3 to penetrate, can promote backward this roller 21, this cingulum 3 can be again passed via the outlet 14 of this shell block 1, when this roller 21 is pushed rearward when moving, can compress this flexible member 26 simultaneously, after this cingulum 3 is by this roller 21, reach a suitable length, just can make the chin place in user B that tightens of these cingulum 3 appropriateness, after no longer promoting this cingulum 3, this roller 21 can utilize the elastic-restoring force of this flexible member 26, the press block 22 of this roller 21 of ejection is replied respectively and is pressed on this first housing 11 and be the pressure section 161 of step shape and the block 162 of this second housing 12, utilize this press block 22 can be engaged with this pressure section 161, so as to making this cingulum 3 be subject to the fastening force producing between this press block 22 and this pressure section 161, can make this cingulum 3 by this entrance 13, be reversed and to pull out outside this shell block 1 again, so, can stepless freely adjust this cingulum 3 and fasten time length and elasticity thereof, finally the fixing hole 31 that corresponds to fixed leg 15 on the cingulum 3 of this outlet 14 will be stretched out in, be fastened on the fixed leg 15 of this shell block 1, so, can be fastened rapidly, and can not unclamp arbitrarily, even be subject to clashing into, yet can not unclamp and come off easily, or while running at high speed, also can not be subject to windage effect and crooked, utilize the catch 191 of these 19 both sides of slotting to there is the effect stopping simultaneously, and utilize this cingulum 3 can cover this pull handle 25, so as to preventing this pull handle 25 from being clashed into, unclamp and come off.

Again when needs unclamp this cingulum 3 or adjust its elasticity, as shown in Figure 6, only need first the fixing hole of this cingulum 3 31 and this fixed leg 15 to be untied, it is no longer fastened, on this shell block 1, grip pull handle 25 again and pull out, simultaneously this pull bar 24 of interlock and roller 21 thereof backward in this room 16, when moving backward, this roller 21 can compress this flexible member 26, 22 of the press blocks of this roller 21 can not compress this cingulum 3 more simultaneously, so, this press block 22 disappears for the fastening force of this pressure section 161, 3 of this cingulums can be retracted into via this outlet 14 freely, and by after this roller 21, can be exited by this entrance 13, so as to removing this cingulum 3, it is unclamped, or the elasticity of this cingulum 3 of adjustment again, when releasing is unclamped this cingulum 3 or adjusted after its elasticity, only need to decontrol pull handle 25, can utilize the elastic-restoring force of this flexible member 26, the press block 22 of this roller 21 of ejection rapidly returns back to respectively original position, again press on again the pressure section 161 of this first housing 11 and the block 162 of the second housing 12, reuse when waiting until next fastening.

Only; the foregoing is only the utility model embodiment wherein; when not limiting patent protection model circle of the present utility model with this; such as the simple equivalence of doing according to claim of the present utility model and description changes and replaces, and all should still belong in the scope of the utility model protection that claim contains.

Claims (12)

1. a safety cap clasp is constructed, and it is characterized in that including:

Shell block, it is provided with entrance and outlet, this shell block inside is provided with room, this room is communicated with this entrance and this outlet, this room inside is provided with pressure section between this entrance and this outlet again, and is provided with block with respect to the position of this pressure section, and this shell block is provided with fixed part, in the both sides of this shell block, be provided with chute again, separately this shell block offers fluting;

Compress unit, it is arranged in the room of this shell block, this compresses unit and is provided with at least one roller, this roller abuts against between this entrance and outlet, the periphery ring of this roller is provided with a plurality of press blocks, this roller is equipped with axostylus axostyle again, establish respectively in this two chute at the two ends of this axostylus axostyle, on this axostylus axostyle, be installed with pull bar again, one end of this pull bar is provided with pull handle, this pull handle stretches out in outside this fluting, and the press block of this this roller of pull bar ejection compresses respectively this pressure section and produces a fastening force, and compresses this block;

Cingulum, its entrance by this shell block penetrates, then is passed by this outlet, and is subject to the fastening force of this press block and compresses location.

2. safety cap clasp is constructed as claimed in claim 1, it is characterized in that this shell block is combined into by the first housing half-and-half cuing open is relative with the second housing respectively.

3. safety cap clasp is constructed as claimed in claim 2, and the combination that it is characterized in that this first housing and this second housing is that high frequency bonding mode, fusion mode, chimeric mode or screw-in version are fixed.

4. safety cap clasp structure as claimed in claim 2, is characterized in that this entrance is located at the leading edge of this first housing, and the apical margin of this first housing is located in this outlet again.

5. safety cap clasp is constructed as claimed in claim 2, it is characterized in that this room is formed at the inside of this first housing and this second housing jointly, makes the inside of this first housing and this second housing form respectively room half.

6. safety cap clasp structure as claimed in claim 2, is characterized in that this pressure section is located at this first housing, and this block is located at this second housing relatively.

7. safety cap clasp structure as claimed in claim 2, is characterized in that this fixed part is located at the trailing edge of this second housing.

8. safety cap clasp is constructed as claimed in claim 2, it is characterized in that this chute is arranged with two inner sides in this first housing.

9. safety cap clasp structure as claimed in claim 2, is characterized in that this fluting is located at the place, trailing edge top of this first housing, and the both sides of this fluting are respectively equipped with catch.

10. safety cap clasp is constructed as claimed in claim 2, it is characterized in that this cingulum is provided with at least one fixing hole, and this first housing is provided with fixed leg again, and this fixed leg is fastened in this fixing hole.

11. safety cap clasp structures as claimed in claim 2, is characterized in that this pressure section is established and are step shape.

12. as described in claim l or 2 safety cap clasp structure, it is characterized in that this pull bar is equipped with flexible member, this flexible member is positioned at this room, and elastic top is butted on the wall of this room and between this pull bar, with the press block of this roller of ejection, produces this fastening force.