CN2572796Y - Ring band adjusting structure of helmet - Google Patents
Ring band adjusting structure of helmet Download PDFInfo
- Publication number
- CN2572796Y CN2572796Y CN 02259442 CN02259442U CN2572796Y CN 2572796 Y CN2572796 Y CN 2572796Y CN 02259442 CN02259442 CN 02259442 CN 02259442 U CN02259442 U CN 02259442U CN 2572796 Y CN2572796 Y CN 2572796Y
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- CN
- China
- Prior art keywords
- endless belt
- connector
- safety cap
- perforation
- cap according
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- Expired - Fee Related
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- Automotive Seat Belt Assembly (AREA)
Abstract
The utility model relates to an adjusting structure for a ring belt of a helmet, which comprises a ring belt, a connecting seat, a guide element, an adjusting element, a fixing assembly and a positioning element, wherein both ends of the ring belt respectively form a toothed shape, and the ring belt extends and is inserted into a notch of the connecting seat. The gear wheel of the guide element extends and passes through a through hole of the connecting seat and is connected with the toothed part of the ring belt, and the adjusting element is fixedly connected with the guide element. Thus, the guide element can be driven to rotate by adjusting the adjusting element, the end part of the ring belt is moved in the opposite direction or the reverse direction, therefore, the diameter of the ring belt is adjusted. Through the simple structure design, the production and assembly cost is reduced.
Description
Technical field
The utility model relates to a kind of endless belt of safety cap and adjusts structure, relates in particular to a kind ofly to make endless belt once adjust the structure that just can locate by rotating manner.
Background technology
People need wear safety cap when driving bicycle, be provided with an endless belt in cap, are positioned user's forehead place with this endless belt, if this endless belt is nonadjustable structure, then can't allow the endless belt of same diameter be applicable on the different numbers of people.
The endless belt of prior art safety cap is adjusted structure, as shown in Figure 1, it is provided with a holder 1 and a cover plate 2, join by the both ends of a pair of adjuster 4 with endless belt 3, holder 1 is rectangular box-like, respectively there is an opening 11 two sides, 12 both ends 31 so that endless belt 3 to be provided, 32 insert thus, one end 31 of endless belt 3 is interlockingly connected by a pair of reference column 41 of a pair of locating hole 33 with adjuster 4, the other end 32 of endless belt 3 also is to be interlockingly connected by a pair of reference column 41 of a pair of locating hole 34 with another adjuster 4, this has a guide pillar 42 projections and lid to be located at the guide channel 21 of cover plate 2 both sides of holder 1 appearance breach respectively to adjuster 4, slide in 22, and the inserting column 44 by bonding pad 43 inner faces is inserted in the post hole of guide pillar 42 and locatees.
Adjuster 4 has a sliding ditch 47 and is used for a sliding bar 46 and stretches into, the sliding bar 46 of both sides is penetrated by the kerve hole 13 or 14 places of holder 1 respectively, join by the fixed teeth piece 49 of sliding bar 46 upper ends and the tooth bar 15 or 16 of holder 1 inner face, sliding bar 46 inner ends have a spring 48 to contact with sliding ditch 47 bottom surfaces, sliding ditch 47 is outside equipped with a little matte 45, adjuster 4 back sides are provided with a ditch 40 and are used for tooth bar 15 or 16 and pass, cover plate 2 have a centre bore 23 to pass by a screw 24 and with the screw Joint of the newel 17 of holder 1, so promptly finish all Assembly Actions.
Cover plate is hiding to place whole guiding mechanisms though prior art is utilized, fixing because holder needs engage with cover plate, thus need setting connected structure between the two, and because both length and width are identical, thereby waste material raises the cost; And the both ends of endless belt are stuck in the reference column place that adjusts seat in the Connection Block by locating hole, this juncture stationarity is not good, still need cooperate other method just can finish the location, if reference column is riveted on the endless belt place, not only can increase the cost in the manufacturing process, more can increase the time made from combination; In addition, the adjuster of prior art location only can be controlled the position of its setting with sensation, and is comparatively inconvenient to the location of adjusting; And the package count of adjuster integral body is many, all constitutes inconvenience to making with assembling.
In summary, the endless belt of the safety cap of described prior art is adjusted structure, on reality is used, obviously has inconvenience and defective, so be necessary to be improved.
Summary of the invention
One of the utility model purpose is to provide a kind of endless belt of safety cap to adjust structure, wherein by the improvement of integrated structure, adjusts package count to reduce, thereby reduces assembling and material cost.
Two of the utility model purpose is to provide a kind of endless belt of safety cap to adjust structure, wherein be assembled into the structure of Connection Block mutually by first connector and second connector, make the end of endless belt be provided with tooth portion and place in this Connection Block, and guide member and adjustment part and endless belt and Connection Block fitted together, so that the endless belt of described safety cap is adjusted the assembling of structure is more easy.
Three of the utility model purpose is to provide a kind of endless belt of safety cap to adjust structure, wherein two ends by endless belt are respectively arranged with protuberance, so that this protuberance keeps somewhere in the accommodation space of described joint chair,, two ends that can prevent described endless belt lose the adjustment function of endless belt thereby breaking away from Connection Block.
To achieve these goals, the utility model provides a kind of endless belt of safety cap to adjust structure, it is characterized in that, it comprises: an endless belt, have two ends, and wherein the upside in an end is set to tooth portion, the downside of the other end is set to tooth portion, and described end is respectively arranged with a protuberance; A connecting seat, include one first connector and one second connector, and this first connector and second connector are provided with corresponding first group connecting part, and this first connector and the second connector winding are together, to form an accommodation space in described Connection Block, and the two side faces of this Connection Block forms a breach respectively, this breach is connected with described accommodation space, and the two side breach that extend through described Connection Block respectively of described endless belt two ends, and the tooth portion of described endless belt and protuberance are placed in the described accommodation space, described first connector is provided with one first perforation, and be formed with on described two connectors and corresponding second perforation of first perforation, described first connector is provided with locating convex block with the junction that second connector is connected; One guide member, it has a gear, and this gear extends through first perforation of described Connection Block and joins with the tooth portion of the end of described endless belt, and described guide member is connected to the periphery of described first hole, and these gear central authorities are formed with a groove; An and adjustment part, it is provided with a protruding pin that corresponds to described groove, this protruding pin extends through second perforation and places in the groove of described guide member, and make described adjustment part and extend through the described first guide member Joint of boring a hole, and the side that described adjustment part and described guide member are connected with group is radial radially to be provided with a plurality of taper teeth, and this taper tooth and described locating convex block join.
The endless belt of described safety cap is adjusted structure, and wherein, described adjustment part comprises fluted disc portion, pars intermedia and joint portion and combination in regular turn.
The endless belt of described safety cap is adjusted structure, and wherein, described protruding pin is convexly set on the described joint portion, and described pars intermedia and described fluted disc portion be provided with opening respectively, and described protruding pin extends through this opening.
The endless belt of described safety cap is adjusted structure, and wherein, a side of described fluted disc portion and described pars intermedia is respectively arranged with corresponding second group connecting part, so that described fluted disc portion and the mutual winding of described pars intermedia are together.
The endless belt of described safety cap is adjusted structure, and wherein, described pars intermedia setting corresponds to the recess of described joint portion, and described joint portion is embedded in this recess.
The endless belt of described safety cap is adjusted structure, and wherein, the groove of described guide member and the protruding pin of described adjustment part are square.
The endless belt of described safety cap is adjusted structure, wherein, combines by a locked assembly between described guide member and described adjustment part.
The endless belt of described safety cap is adjusted structure, and wherein, first group connecting part of described first connector is a locating slot, and first group connecting part of described second connector is an alignment pin.
The endless belt of described safety cap is adjusted structure, and wherein, the periphery ring of described second connector is provided with the ring limit, and the ring limit of two sides of described second connector forms described breach respectively.
The endless belt of described safety cap is adjusted structure, and wherein, described locating convex block is arranged at the periphery of described first perforation.
The endless belt of described safety cap is adjusted structure, and wherein, described guide member includes a disk and is connected the gear of described disk, and the periphery of this disk is provided with one and supports portion, should support the periphery that portion corresponds to described first perforation.
The endless belt of described safety cap is adjusted structure, and wherein, described is taper or stepped to portion.
The endless belt of described safety cap is adjusted structure, and wherein, described guide member is provided with one the 3rd perforation and is connected with described groove so that locked assembly extend through described the 3rd perforation and with the protruding pin interlocking of described adjustment part together.
The endless belt of described safety cap is adjusted structure, and wherein, two sides up and down of the corresponding junction of described first connector and second connector are respectively arranged with a fin, and a described fin side relative with the tooth portion of the end of described endless belt replaced mutually.
The endless belt of described safety cap is adjusted structure, and wherein, the periphery of described second perforation two sides up and down is respectively arranged with to sheet, and a side of the end of described endless belt is resisted against the described sheet that supports
Brief Description Of Drawings
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by detailed description to preferred embodiment of the present utility model.
In the accompanying drawing,
Fig. 1 is that the endless belt of the safety cap of prior art is adjusted the structural upright exploded view;
Fig. 2 is the stereogram that the utility model safety cap and endless belt are adjusted the structure winding;
Fig. 3 is that the endless belt of safety cap of the present utility model is adjusted structural upright exploded view ();
Fig. 4 is that the endless belt of safety cap of the present utility model is adjusted structural upright exploded view (two);
Fig. 5 is that the endless belt of safety cap of the present utility model is adjusted structural upright exploded view (three);
Fig. 6 is that the endless belt of safety cap of the present utility model is adjusted the textural association cutaway view;
Fig. 7 is the enforcement schematic diagram () that the endless belt of safety cap of the present utility model is adjusted structural group;
Fig. 8 is the enforcement schematic diagram (two) that the endless belt of safety cap of the present utility model is adjusted structural group.
The specific embodiment
Hereinafter, will describe the utility model in detail.
The utility model provides a kind of endless belt of safety cap to adjust structure, as Fig. 2, shown in Figure 3, it includes an endless belt 5, a connecting seat 6, a guide member 8 and an adjustment part 9 and forms, the two ends extension of wherein said endless belt 5 is inserted in the Connection Block 6, described guide member 8 extensions penetrate in the Connection Block 6, and join with two ends of endless belt 5, and adjustment part 9 and guide member 8 Joints, when described adjustment constructional device during in safety cap, described adjustment part 9 can be passed through to adjust with drive guide member 8, thereby this endless belt 5 formed corral sizes can be adjusted.
Described endless belt 5 has two ends 51, and as Fig. 4, shown in Figure 5, and wherein the upside of an end 51 is set to tooth portion 52, and the downside of the other end 51 is set to tooth portion 52, and the side of this two end 51 and be respectively arranged with a protuberance 53.
Wherein, described Connection Block 6 includes first connector 61 and second connector 62, and described connector 61,62 corresponding junction is provided with corresponding first group connecting part 63, so that this first connector 61 and the 62 mutual windings of second connector are together, this first group connecting part 63 can be alignment pin, locating slot or locked assembly, and wherein first group connecting part 63 of first connector 61 can be locating slot, and first group connecting part 63 of second connector 62 can be alignment pin.First connector 61 is provided with first perforation, 64 and second connector 62 and is provided with second perforation 65, and the position of this first perforation, 64 and second perforation 65 is corresponding, and the periphery of first connector 61 and second connector 62 is respectively arranged with ring limit 66,66 both sides, ring limit of described second connector 62 are formed with a breach 67 respectively, so that first connector 61 and 62 windings of second connector are together the time, be formed with an accommodation space 70 in the described Connection Block 6, and be formed with breach 67 in its two side, this breach 67 is connected with accommodation space 70, first connector 61 is provided with two relative locating convex blocks 71 with first perforation, 64 peripheries of the side that second connector 62 is connected with group, other first connector 61 is respectively arranged with a fin 72 with two sides up and down of second connector, 62 corresponding junctions, and is respectively arranged with one at second perforation, 65 the periphery upper and lower sides of second connecting portion 62 and supports sheet 73.
Described guide member 8 includes a disk 81 and is connected in the gear 82 of this disk 81, the central portion of this gear 82 is provided with groove 83, this groove 83 can be square body, and forms one the 3rd perforation 84 on the guide member 8 and be connected with groove 83, and is provided with one to portion 85 at the periphery of described disk 81.
Described adjustment part 9 comprises fluted disc portion 91, pars intermedia 92 and joint portion 93 and winding in regular turn are together, one side of wherein said joint portion 93 is convexly equipped with and is equipped with a square protruding pin 94, and described pars intermedia 92 is provided with and protruding pin 94 corresponding first openings 95, and a side that makes described pars intermedia 92 is provided with a recess 96, the shape of this recess 96 is corresponding with described joint portion 93, so that the protruding pin 94 of this joint portion 93 extends through first opening 95 and joint portion 93 is embedded in the recess 96, the opposite side of described pars intermedia 92 is provided with a plurality of second group connecting parts 97, and described fluted disc portion 91 also is provided with second group connecting part 97 with respect to a side of pars intermedia 92, its second group connecting part 97 with pars intermedia 92 is corresponding, the radial taper tooth 98 that radially is provided with in the another side of fluted disc portion 93, and the central authorities of this fluted disc portion 93 are provided with one second opening 99, make this fluted disc portion 91 by the mutual combination of second group connecting part 97 with pars intermedia 92 windings together, and make described protruding pin 94 extend through second opening 99.
Two ends 51 of described endless belt 5 extend through the breach 67 of Connection Block 6 respectively, as Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, and be placed in the accommodation space 70 of described Connection Block 6, and the gear 82 that makes guide member 8 extends through first perforation 64 of first connector 61, and join with the bidentate portion 52 of endless belt 5, the periphery of the disk 81 of this guide member 8 is provided with the support portion 85 corresponding with the inner edge of first perforation 64, should support portion 85 can be stepped or conicoid, so that disk 81 is replaced in the outside of first connector 61 and is resisted against the inner edge of first perforation 64, described connector 61,62 fin 72 and the tooth portion of endless belt 5 52 relative sides are replaced mutually, supporting sheet 73 replaces mutually with a side of the end 51 of endless belt 5, be used for making described tooth portion 52 and gear 82 to join more reliably, and the gear 82 of guide member 8 and the protruding pin 94 of adjustment part 9 extend respectively wears first perforation, 64 and second perforation 65, and described protruding pin 94 is embedded in the groove 83 of guide member 8, and by locked assembly 100 as screw extend through guide member 8 the 3rd the perforation 84 with interlocking on adjustment part 9, and described guide member 8 and adjustment part 9 are solidly connected with each other, and the taper tooth 98 of this adjustment part 9 and the locating convex block 71 of first connector 61 join, and by rotating adjustment part 9 to drive guide member 8 rotations, thereby can make gear 82 drive the tooth portion 52 of the end 51 of described endless belt 5, so that two ends 51 of this endless belt 5 form in opposite directions or opposing moving, thereby can adjust this endless belt 5 formed corral sizes, and join to fasten adjustment part 9 by locating convex block 71 and taper tooth 93, any rotation when preventing from not rotate this adjustment part 9, and the ring limit 66 that utilizes first connector 61 to be replacing the protuberance 53 of endless belt 5 ends 51, and the end 51 of this endless belt 5 breaks away from described Connection Block 6 when avoiding two ends 51 relative motions of endless belt 5.
In sum, the endless belt of safety cap of the present utility model is adjusted structure cooperating by adjustment part and guide member, two ends of endless belt can be relatively moved, the safety cap that is imposed in bicycle as shown in Figure 2, thereby the whole property of the corral adjustable size that realizes endless belt, and pass through the design of the assembly simple in structure of Connection Block, endless belt, guide member and adjustment part, and its manufacturing and the easy characteristic of assembling, thereby assembly production cost and assembly cost can be reduced.
Be understandable that; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection domain of the utility model accompanying Claim.
Claims (15)
1, a kind of endless belt of safety cap is adjusted structure, it is characterized in that it comprises:
One endless belt has two ends, and wherein the upside in an end is set to tooth portion, and the downside of the other end is set to tooth portion, and described end is respectively arranged with a protuberance;
A connecting seat, include one first connector and one second connector, and this first connector and second connector are provided with corresponding first group connecting part, and this first connector and the second connector winding are together, to form an accommodation space in described Connection Block, and the two side faces of this Connection Block forms a breach respectively, this breach is connected with described accommodation space, and the two side breach that extend through described Connection Block respectively of described endless belt two ends, and the tooth portion of described endless belt and protuberance are placed in the described accommodation space, described first connector is provided with one first perforation, and be formed with on described two connectors and corresponding second perforation of first perforation, described first connector is provided with locating convex block with the junction that second connector is connected;
One guide member, it has a gear, and this gear extends through first perforation of described Connection Block and joins with the tooth portion of the end of described endless belt, and described guide member is connected to the periphery of described first hole, and these gear central authorities are formed with a groove; And
One adjustment part, it is provided with a protruding pin that corresponds to described groove, this protruding pin extends through second perforation and places in the groove of described guide member, and make described adjustment part and extend through the described first guide member Joint of boring a hole, and the side that described adjustment part and described guide member are connected with group is radial radially to be provided with a plurality of taper teeth, and this taper tooth and described locating convex block join.
2, the endless belt of safety cap according to claim 1 is adjusted structure, it is characterized in that described adjustment part comprises fluted disc portion, pars intermedia and joint portion and combination in regular turn.
3, the endless belt of safety cap according to claim 2 is adjusted structure, it is characterized in that described protruding pin is convexly set on the described joint portion, and described pars intermedia and described fluted disc portion be provided with opening respectively, and described protruding pin extends through this opening.
4, the endless belt of safety cap according to claim 2 is adjusted structure, it is characterized in that a side of described fluted disc portion and described pars intermedia is respectively arranged with corresponding second group connecting part, so that described fluted disc portion and the mutual winding of described pars intermedia are together.
5, the endless belt of safety cap according to claim 2 is adjusted structure, it is characterized in that described pars intermedia setting corresponds to the recess of described joint portion, and described joint portion is embedded in this recess.
6, the endless belt of safety cap according to claim 1 is adjusted structure, it is characterized in that the groove of described guide member and the protruding pin of described adjustment part are square.
7, the endless belt of safety cap according to claim 1 is adjusted structure, it is characterized in that, combines by a locked assembly between described guide member and described adjustment part.
8, the endless belt of safety cap according to claim 1 is adjusted structure, it is characterized in that first group connecting part of described first connector is a locating slot, and first group connecting part of described second connector is an alignment pin.
9, the endless belt of safety cap according to claim 1 is adjusted structure, it is characterized in that, the periphery ring of described second connector is provided with the ring limit, and the ring limit of two sides of described second connector forms described breach respectively.
10, the endless belt of safety cap according to claim 1 is adjusted structure, it is characterized in that, described locating convex block is arranged at the periphery of described first perforation.
11, the endless belt of safety cap according to claim 1 is adjusted structure, it is characterized in that described guide member includes a disk and is connected the gear of described disk, and the periphery of this disk is provided with one and supports portion, should support the periphery that portion corresponds to described first perforation.
12, the endless belt of safety cap according to claim 11 is adjusted structure, it is characterized in that, described is taper or stepped to portion.
13, the endless belt of safety cap according to claim 1 is adjusted structure, it is characterized in that, described guide member is provided with one the 3rd perforation and is connected with described groove so that locked assembly extend through described the 3rd perforation and with the protruding pin interlocking of described adjustment part together.
14, the endless belt of safety cap according to claim 1 is adjusted structure, it is characterized in that, two sides up and down of the corresponding junction of described first connector and second connector are respectively arranged with a fin, and a described fin side relative with the tooth portion of the end of described endless belt replaced mutually.
15, the endless belt of safety cap according to claim 1 is adjusted structure, it is characterized in that, the periphery of described second perforation two sides up and down is respectively arranged with to sheet, and a side of the end of described endless belt is resisted against the described sheet that supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02259442 CN2572796Y (en) | 2002-09-29 | 2002-09-29 | Ring band adjusting structure of helmet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02259442 CN2572796Y (en) | 2002-09-29 | 2002-09-29 | Ring band adjusting structure of helmet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2572796Y true CN2572796Y (en) | 2003-09-17 |
Family
ID=33726807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02259442 Expired - Fee Related CN2572796Y (en) | 2002-09-29 | 2002-09-29 | Ring band adjusting structure of helmet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2572796Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008064527A1 (en) * | 2006-11-27 | 2008-06-05 | Ma, Xuejun | Helmet massager |
| CN101611943B (en) * | 2008-06-26 | 2013-01-02 | 齐德公司 | Safety helmet with improved adjustable napestrap |
-
2002
- 2002-09-29 CN CN 02259442 patent/CN2572796Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008064527A1 (en) * | 2006-11-27 | 2008-06-05 | Ma, Xuejun | Helmet massager |
| CN101611943B (en) * | 2008-06-26 | 2013-01-02 | 齐德公司 | Safety helmet with improved adjustable napestrap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030917 Termination date: 20110929 |