CN115088935A - Backpack chest and waist belt structure and backpack applying same - Google Patents
Backpack chest and waist belt structure and backpack applying same Download PDFInfo
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- CN115088935A CN115088935A CN202210727304.2A CN202210727304A CN115088935A CN 115088935 A CN115088935 A CN 115088935A CN 202210727304 A CN202210727304 A CN 202210727304A CN 115088935 A CN115088935 A CN 115088935A
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- 230000000452 restraining effect Effects 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 3
- 238000007906 compression Methods 0.000 claims 3
- 238000010276 construction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000004804 winding Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
- A45F3/04—Sacks or packs carried on the body by means of two straps passing over the two shoulders
- A45F3/047—Sacks or packs carried on the body by means of two straps passing over the two shoulders with adjustable fastenings for the shoulder straps or waist belts
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
- A45F3/04—Sacks or packs carried on the body by means of two straps passing over the two shoulders
- A45F2003/045—Sacks or packs carried on the body by means of two straps passing over the two shoulders and one additional strap around the waist
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Abstract
The utility model belongs to the technical field of the technique of knapsack and specifically relates to a knapsack chest waistband structure and use knapsack thereof is related to, the first aspect, a knapsack chest waistband structure, including two baldrics and two waist support bands, install waist support adjustment band between two waist support bands, sliding connection has the locking band between two baldrics, the locking band, the middle part of waist support adjustment band all is provided with waist support connection structure, waist support connection structure is used for adjusting the locking band, or the length and size of waist support adjustment band, the second aspect, a knapsack, including a knapsack chest waistband structure, including a inclusion, two baldrics and two waist support bands, two baldrics, two waist support bands all set up the back at the inclusion, the back of inclusion is provided with the protection bed course, in order to improve the practicality of knapsack baldrics, this application provides a knapsack chest waistband structure and use knapsack thereof.
Description
Technical Field
The application relates to the technical field of backpacks, in particular to a backpack chest and waistband structure and a backpack applied by the same.
Background
The backpack is a container used for loading articles with a certain volume in daily life of people, provides convenience for people to go out and carry the articles, and is generally composed of a backpack body and two shoulder straps.
When a user uses the backpack, the two shoulder straps collapse on the shoulders, the shoulders and the back bear the weight of the backpack, and in order to reduce the slipping of the shoulder straps when the user walks or runs, the waist restraining part is fixed on the shoulder straps in the prior art, and the waist of the user can be locked with the backpack by the waist restraining part of the shoulder straps, so that the horizontal directions of the two shoulder straps are restrained, and the condition that the shoulder straps fall off is reduced.
However, most shoulder belt belts on the market are fixed to be connected between waist and the shoulder belt, and are also fixed to be connected between the shoulder belt and the bag body, and because shoulder thickness of everyone is different, fat thin degree is different, the height of height is different, and the knapsack baldric among the prior art is difficult to satisfy everyone's different demands, and then leads to the docile nature between baldric and the shoulder to be low, the user experience feels poor.
In addition, shoulder among the prior art is restrainted waist portion and is provided with connection structure, and common connection structure has magic subsides, buckle or hasp, and along with the long increase along with it of use of knapsack, the adhesion degree can descend between the primary and secondary face of magic subsides, and buckle or hasp also can damage, even block because of user's repeated disassembly.
Therefore, the shoulder straps in the prior art are poor in adjustability, and further the practicability of the backpack shoulder straps is not high.
Disclosure of Invention
In order to improve the practicality of knapsack baldric, this application provides a knapsack chest waistband structure and applied knapsack thereof.
First aspect, the application provides a knapsack chest waistband structure adopts following technical scheme:
the utility model provides a knapsack chest waistband structure, includes two baldrics and two waist support belts, two install waist support adjustment band between the waist support belt, two sliding connection has the locking band between the baldric, the locking band the middle part of waist support adjustment band all is provided with waist support connection structure, waist support connection structure is used for adjusting the locking band or the length and size of waist support adjustment band.
Through adopting above-mentioned technical scheme, waist support adjusting band, the back that the setting up of locking band made the inclusion back of the body pad part user of pasting, shoulder the chest that the part user of pasting, along with the swing of user's health, the condition that reduces to shoulder and drop appears, the docile nature of baldric has been improved, and simultaneously, the user can keep balance better when bearing the knapsack, make the face of unloading of knapsack wider, alleviate user's heavy burden and feel, under waist support connection structure's effect, the user can be conveniently adjusted the length of waist support adjusting band and locking band, and then the user of the different waistlines of adaptation, the suitability that has improved the chest waistband closes practical applicability.
Preferably, waist support connection structure is including first regulation band and second regulation band, the one end of first regulation band is provided with the pin thread, the one end of second regulation band is provided with the box, the pin thread with be provided with the assembly subassembly between the box.
Through adopting above-mentioned technical scheme, adopt the mutual interlock between pin thread and box to realize being connected between first regulation band and the second regulation band, make the process of adjusting waist support regulation band or locking band labour saving and time saving more, compare with magic subsides connection structure among the prior art, have higher use sustainability, compare with buckle and hasp among the prior art, better simple operation nature has, reduce and disassemble connection structure repeatedly and take off the step of package, make the knapsack bear and take off the process of package and easily operate more, can be applied to extensive crowd, the practicality that the knapsack was shouldered has been improved.
Preferably, a height adjusting guide rail and a pressing strip are fixed on the shoulder strap, the height adjusting guide rail and the pressing strip are arranged in parallel, a sliding clamp is arranged at one end, close to the shoulder strap, of the first adjusting strap and one end, close to the shoulder strap, of the second adjusting strap, the sliding clamp is arranged between the height adjusting guide rail and the pressing strip, and the sliding clamp is connected with the height adjusting guide rail in a sliding mode.
Through adopting above-mentioned technical scheme, the user can adjust the high position of locking band through removing the sliding clamp conveniently, and then can the different height users of adaptation, has improved the fitting nature of baldric, and the setting that compresses tightly the strip can provide spacing effect for the sliding clamp, has improved the stability of being connected between sliding clamp and the altitude mixture control guide rail effectively.
Preferably, a shoulder strap length adjusting component is arranged between the shoulder strap and the bag body and used for adjusting the length size of the shoulder strap.
Through adopting above-mentioned technical scheme, under the effect of baldric length adjustment subassembly, the user can adjust the whole length size of baldric conveniently, makes the user that the baldric can the different heights of adaptation, has improved the fitness of baldric.
Preferably, the shoulder strap length adjusting assembly includes: the connecting belt is fixed at the bottom end of the shoulder belt; the connecting buckle is fixed at one end of the connecting band; the adjusting belt is fixed on the outer wall of the bag body; and the adjusting belt limiting assembly is arranged on the connecting buckle, wherein the adjusting belt penetrates through the middle part of the connecting buckle, and the adjusting belt limiting assembly is used for locking the part of the adjusting belt penetrating through the connecting buckle.
Through adopting above-mentioned technical scheme, the user passes the middle part of connector link to the regulation band, then stimulates the regulation band hard, realizes adjusting the length and size of baldric, and the input and the output of regulation band are to folding the setting, under the effect of the spacing subassembly of regulation band, can lock the part that the regulation band passed the connector link.
Preferably, the regulation band limiting component comprises: the rotating shaft is arranged in the middle of the connecting buckle; the pressing sheet is rotationally connected to the rotating shaft; a matching pressing strip fixed in the middle of the connecting buckle and arranged in parallel with the rotating shaft; the limiting buckle is arranged on the adjusting belt; the limiting buckle is used for locking the part of the adjusting belt, which bypasses the matching pressing strip, and one side of the pressing sheet, which is close to the matching pressing strip, is tightly propped against the adjusting belt.
Through adopting above-mentioned technical scheme, spacing buckle locking is in the part of the range upon range of setting of adjustment band input and output, accomplishes the adjustment to the length dimension of baldric, and the preforming supports tightly on the adjustment band, and the cooperation layering plays the supporting role, can lock the adjustment band firmly in the connector link, has improved locking stability.
Preferably, one side of the pressing sheet close to the matching pressing strip is provided with a locking pressing tooth.
Through adopting above-mentioned technical scheme, when the preforming supported tightly on the regulation band, the setting of locking pressure tooth can increase the frictional force between locking pressure tooth and the regulation band, makes the regulation band difficult emergence slide, has improved locking stability.
Preferably, waist support connection structure is including first regulation band and second regulation band, first regulation band all be provided with the band buckle on the second regulation band, first regulation band with behind the pin thread swing joint, through the band buckle locks, the second regulation band with behind the box swing joint, through another the band buckle locks.
Through adopting above-mentioned technical scheme, the band buckle has the effect of good restraint fag end, and under the effect of band buckle, the user can adjust the length and size of first regulation band, second regulation band conveniently to the different waistline size's of adaptation user, and, through the position that the first regulation band of restraint passed the pin thread part, and the position that the second regulation band passed the box part, realize the location and the locking function of position.
Preferably, a lifting plate is fixed on one side of the pressing sheet, which is far away from the rotating shaft, and the lifting plate is provided with an arc surface.
By adopting the technical scheme, the lifting plate is fixed on one side of the pressing plate far away from the rotating shaft, so that a user can conveniently turn the lifting plate, and the convenience is improved.
In addition, this application still provides a knapsack, adopts following technical scheme:
the backpack comprises a backpack chest and waist belt structure, and comprises a backpack body, wherein the two shoulder belts and the two waist protecting belts are arranged on the back of the backpack body, and a protecting cushion layer is arranged on the back of the backpack body.
Through adopting above-mentioned technical scheme, be provided with the protecting cushion layer through the back at the inclusion, be favorable to improving the comfort level when the user bears the knapsack.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the waist-protecting adjusting belts and the locking belts are arranged to ensure that the back cushion part of the backpack body is tightly attached to the back of a user, the shoulder belt part is tightly attached to the chest of the user, the falling of the shoulder belt is reduced along with the swinging of the body of the user, the fitness of the shoulder belt is improved, meanwhile, the user can better keep balance when carrying the backpack, the force-unloading surface of the backpack is wider, and the load-bearing feeling of the user is reduced;
2. the waist-protecting adjusting belt and the locking belt are connected by adopting mutual engagement between the male buckle and the female buckle, so that the process of adjusting the waist-protecting adjusting belt or the locking belt is more time-saving and labor-saving, the step of repeatedly disassembling the connecting structure to remove the bag is reduced, the processes of carrying and removing the bag of the backpack are easier to operate, the backpack shoulder strap connecting device can be applied to wide crowds, and the practicability of the backpack shoulder strap is improved;
3. spacing buckle locking is in the range upon range of part that sets up of regulation band input and output, accomplishes the adjustment to the length and size of baldric, and the preforming supports tightly on the regulation band, and the cooperation layering plays supporting role, can lock the regulation band firmly in the connector link, has improved locking stability.
Drawings
FIG. 1 is a schematic view showing the overall structure of a backpack in example 1
Fig. 2 is a schematic view of the overall structure of the chest and waist belt structure of the backpack in example 1.
Fig. 3 is a schematic view showing the state where the connector link of embodiment 1 is opened.
Fig. 4 is a schematic view showing a state in which the coupling buckle of embodiment 1 is closed.
Fig. 5 is an enlarged view of a in fig. 1.
Fig. 6 is a schematic view of the entire structure of the locking band in embodiment 1.
Fig. 7 is a schematic structural view of the fitting assembly in embodiment 1.
Fig. 8 is a bottom view of fig. 7.
Fig. 9 is a schematic structural view of the fitting assembly in embodiment 2.
Fig. 10 is a bottom view of fig. 9.
Fig. 11 is a schematic structural view of a limit buckle in embodiment 3.
Description of reference numerals: 1. shoulder straps; 21. a waist protecting band; 211. a waist support adjusting belt; 22. a locking band; 31. a belt buckle; 32. a first adjustment belt; 33. a second adjustment belt; 4. a male buckle; 41. a tape winding adjusting section; 411. a slot; 42. a male buckle attaching part; 421. a magnetic block mounting post; 422. a magnetic block mounting cavity; 423. a first groove; 424. a first magnetic block; 43. locking the bump; 431. a through groove; 432. an engagement strip; 5. a female buckle; 51. a tape winding adjusting section; 511. matching and pressing teeth; 52. a female button attaching part; 521. a second groove; 522. a second magnetic block; 523. inserting a block; 524. a snap-fit strip; 53. the lug penetrates through the hole; 61. a slide clamp; 62. a height adjustment guide rail; 63. compressing the strips; 71. a connecting belt; 72. connecting buckles; 721. tabletting; 7211. locking the pressing teeth; 722. a rotating shaft; 723. matching with a layering; 724. lifting the plate; 73. an adjustment belt; 74. a limiting buckle; 741. a buckle body; 742. a cover is clamped; 743. a limiting buckle body; 744. a limiting strip; 8. a reflective band; 9. a bag body; 91. a cushion layer.
Detailed Description
The present application is described in further detail below with reference to figures 1-11.
The embodiment of the application discloses knapsack chest waistband structure.
Example 1:
referring to fig. 1 and 2, a knapsack chest waistband structure, including baldric 1 and waist support belt 21, baldric 1 and waist support belt 21 all have two, the cavernosum is all filled in the inside of baldric 1 and waist support belt 21, the shape of baldric 1 can be adjusted according to the back condition of human body, comfort level when in order to improve the user backpack, in this application embodiment, the one end and the inclusion 9 of waist support belt 21 are sewed up fixedly, the top of baldric 1 is sewed up fixedly with inclusion 9, the bottom of baldric 1 is provided with shoulder strap adjusting part, the user realizes the length size of adjustment baldric 1 through shoulder strap adjusting part.
The shoulder strap adjusting assembly comprises a connecting belt 71, a connecting buckle 72 and an adjusting belt 73, specifically, the connecting belt 71 is fixed at the bottom end of the shoulder strap 1, the connecting buckle 72 is fixed at one end of the connecting belt 71 far away from the shoulder strap 1, the adjusting belt 73 is fixed at a position of the bag body 9 close to the connecting buckle 72, one end of the adjusting belt 73 close to the connecting buckle 72 penetrates through the middle of the connecting buckle 72, and under the action of the adjusting belt limiting assembly, the tensioning force of the adjusting belt 73 can be adjusted and the position limitation can be realized.
Referring to fig. 2 and 3, the adjusting belt limiting assembly includes a rotating shaft 722, a pressing plate 721, a matching pressing strip 723 and a limiting buckle 74, wherein the rotating shaft 722 is fixed in the middle of the connecting buckle 72, the matching pressing strip 723 is fixed in the middle of the connecting buckle 72, so that the matching pressing strip 723 and the rotating shaft 722 are arranged in parallel, the pressing plate 721 is rotatably connected to the rotating shaft 722, a locking pressing tooth 7211 is arranged on one side of the pressing plate 721 close to the matching pressing strip 723, in order to improve the convenience of a user for lifting the pressing plate 721, a lifting plate 724 is fixed on one side of the pressing plate 721 far from the rotating shaft 722, and an arc surface is arranged on the lifting plate 724, so that the user can conveniently turn the lifting plate 724.
Referring to fig. 2 and 4, when the adjusting strap 73 passes through the connecting link 72, that is, the adjusting strap 73 is movably wound around the mating bead 723, and at the same time, the input end and the output end of the adjusting strap 73 are stacked, in the embodiment of the present application, referring to fig. 2 and 5, the limiting buckle 74 is a belt buckle with a cross section in a shape of "hui", the limiting buckle 74 includes a buckle body 741 and a buckle cover 742, the buckle cover 742 is hinged on one side of the buckle body 741, a belt penetrating space is formed between the buckle body 741 and the buckle cover 742, the limiting buckle 74 is used to lock the part of the adjusting belt 73 that bypasses the cooperating pressing strip 723, which can adjust the tension of the adjusting belt 73, in addition, the side of the pressing sheet 721 with the locking pressing tooth 7211 is pressed against the adjusting belt 73, so as to limit the position of the adjusting belt 73, further, the length of the shoulder strap 1 can be adjusted to fit users of different heights, thereby improving the fitness of the shoulder strap 1.
Referring to fig. 1 and 6, a waist-protecting adjusting belt 211 is installed between two waist-protecting belts 21, and a locking belt 22 is slidably connected between two shoulder straps 1, in the embodiment of the present application, the waist-protecting adjusting belt 211 and the locking belt 22 have the same structure, the middle parts of the waist-protecting adjusting belt 211 and the locking belt 22 are both provided with a waist-protecting connecting structure, and a user can conveniently adjust the length size of the locking belt 22 and the waist-protecting adjusting belt 211 through the waist-protecting connecting structure, so as to adapt to users with different waist sizes.
Referring to fig. 1 and 7, the waist support connection structure includes a first adjustment belt 32, a male buckle 4, a second adjustment belt 33, and a female buckle 5, and the first adjustment belt 32 and the second adjustment belt 33 are both provided with a belt buckle 31, specifically, the belt buckle 31 has the same structure as the limit buckle 74, the first adjustment belt 32 provided on the waist support adjustment belt 211 has one end sewn and fixed to the waist support belt 21 close thereto and the other end movably wound to the male buckle 4, and is then positioned and locked by one belt buckle 31, and similarly, the second adjustment belt 33 provided on the waist support adjustment belt 211 has one end sewn and fixed to the waist support belt 21 close thereto and the other end movably wound to the female buckle 5, and is then positioned and locked by the other belt buckle 31.
When a user carries the backpack, the length sizes of the first adjusting belt 32 and the second adjusting belt 33 are adjusted, and then the male buckle 4 and the female buckle 5 are mutually meshed, so that a closed circle is formed between the back surface of the backpack body 9, the waist protecting belt 21, the waist protecting adjusting belt 211 and the waist protecting belt 21, and the function of restraining the waist of the user can be achieved, so that the balance and support of the user can be guaranteed when the user carries the backpack.
Referring to fig. 6 and 8, since the waist support adjustment band 211 and the locking band 22 have the same structure, the first adjustment band 32 provided on the locking band 22 has one end slidably connected to the shoulder strap 1 adjacent thereto and the other end movably wound around the male buckle 4, and is then locked in position by one band buckle 31, and similarly, the second adjustment band 33 provided on the locking band 22 has one end slidably connected to the shoulder strap 1 adjacent thereto and the other end movably wound around the female buckle 5, and is then locked in position by the other band buckle 31.
When a user carries the backpack, the male buckle 4 and the female buckle 5 arranged on the locking belt 22 are mutually occluded, so that the stability of the backpack can be further strengthened, the back cushion part of the backpack body 9 is attached to the back of the user, the shoulder belt 1 is attached to the chest of the user, the situation that the shoulder belt 1 falls off is reduced along with the swinging of the body of the user, and the fitness of the shoulder belt 1 is improved.
Referring to fig. 6 and 7, the male buckle 4 and the female buckle 5 are of an integrated structure, the male buckle 4 comprises a winding adjusting portion 41, a male buckle attaching portion 42 and a locking bump 43, the first adjusting belt 32 is movably wound on the winding adjusting portion 41, a slot 411 is formed in the side wall of the winding adjusting portion 41, the top surface of the male buckle attaching portion 42 is smoothly arranged, the locking bump 43 is fixed on the top surface of one end of the male buckle 4, which is far away from the slot 411, a through groove 431 is formed in the side surface of the locking bump 43 in a penetrating mode, the through groove 431 is arranged between the through groove 431 and the slot 411 in a penetrating mode, and an engaging strip 432 is fixed in the middle of the through groove 431.
Correspondingly, the box 5 includes a tape coiling adjusting portion 51 and a box attaching portion 52, referring to fig. 6 and 8, the second adjusting strap 33 is movably coiled on the tape coiling adjusting portion 51, in the embodiment of the present application, a matching press tooth 511 is provided on the top surface of the tape coiling adjusting portion 51, so that the friction force between the second adjusting strap 33 and the tape coiling adjusting portion 51 can be increased, and when the length dimension of the second adjusting strap 33 is adjusted, the second adjusting strap is not easy to loosen and slide, and to a certain extent, the positioning accuracy of the strap buckle 31 is improved.
Referring to fig. 7 and 8, a protruding block insertion hole 53 is formed through the female buckle 5, a snap-fit strip 524 is fixed at a position of the female buckle 5 close to the protruding block insertion hole 53, a guide inclined plane is formed on a top surface of the snap-fit strip 524, the guide inclined plane inclines downwards from the top surface of the female buckle 5 to the protruding block insertion hole 53, and an extending direction of the snap-fit strip 524 is consistent with an extending direction of the snap-fit strip 432. In addition, an insert block 523 is fixed on one side of the female buckle 5 close to the male buckle 4, and the shape and size of the insert block 523 are consistent with the size of the inner cavity of the slot 411.
When the male buckle 4 is assembled with the female buckle 5, the locking protrusion 43 on the male buckle 4 is inserted into the protrusion insertion hole 53 on the female buckle 5 in a matching manner, meanwhile, the insertion block 523 is inserted into the insertion slot 411 in a matching manner, and the snap-fit strip 524 penetrates through the through slot 431, so that the snap-fit strip 432 and the snap-fit strip 524 are slidably engaged, that is, the snap-fit strip 432 is slidably erected on the inclined guide surface of the matching snap-fit strip 432, the male buckle 4 and the female buckle 5 are connected, and the first adjusting belt 32 and the second adjusting belt 33 are connected.
On the contrary, the user strongly presses the locking protrusion 43 on the male buckle 4 to make the engagement strip 432 and the engagement matching strip 524 slide and separate, and at the same time, the locking protrusion 43 is separated from the protrusion through hole 53, and the insertion block 523 is separated from the slot 411, so as to realize the separation between the male buckle 4 and the female buckle 5.
Referring to fig. 2 and 6, a height adjustment guide rail 62 and a pressing bar 63 are fixed on the shoulder strap 1, in the embodiment of the present application, the height adjustment guide rail 62 and the pressing bar 63 are arranged side by side, the height adjustment guide rail 62 is a circular guide rail fixed on the shoulder strap 1, the extending direction of the height adjustment guide rail 62 is consistent with the extending direction of the shoulder strap 1, one end of the first adjustment strap 32 and the second adjustment strap 33 near the shoulder strap 1 is provided with a sliding clip 61, one side of the sliding clip 61 near the height adjustment guide rail 62 is provided with a semicircular sliding slot, the sliding clip 61 is arranged between the height adjustment guide rail 62 and the pressing bar 63, when the shoulder strap 1 is produced, the sliding clip 61 is firstly connected on the height adjustment guide rail 62 in a sliding manner, then the top end of the shoulder strap 1 is sewn and fixed with the bag body 9, the bottom end of the shoulder strap 1 is connected with the shoulder strap adjustment assembly, the side wall of the pressing bar 63 is sewn and fixed with the height adjustment guide rail 62, the realization is spacing to sliding clamp 61 to reduce sliding clamp 61 and deviate from the risk of altitude mixture control guide rail 62, improved the connection stability between the two.
The user can conveniently adjust the height position of the locking belt 22 by moving the sliding clamp 61, and then can adapt to users with different heights, so that the fitness of the shoulder strap 1 is improved.
In order to improve the identification effect of the backpack, referring to fig. 1 and 2, the side wall of the shoulder strap 1 is provided with a reflective belt 8 to ensure that the reflective belt is more easily perceived in a dark environment, thereby improving the safety of a user in the walking process.
The embodiment of the application also discloses a backpack, which comprises a backpack chest and waist belt structure, and refers to fig. 1 and fig. 2, the backpack comprises a backpack body, two shoulder straps and two waist protecting belts, wherein the two shoulder straps 1 and the two waist protecting belts 21 are all arranged at the back of the backpack body 9, the back of the backpack body 9 is provided with a cushion protecting layer 91, and the inside of the cushion protecting layer 91 is filled with sponge to improve the comfort level of a user when the user wears the backpack.
The application embodiment of the present application provides a backpack chest waistband structure and an implementation principle of an application backpack thereof as follows:
when a user carries the backpack, the two shoulder straps 1 are firstly collapsed on the shoulders, the pressing piece 721 is lifted, the adjusting belt 73 is pulled, after the length of the shoulder straps 1 is adjusted, the limiting buckle 74 is locked on the part where the input end and the output end of the adjusting belt 73 are arranged in a stacked mode, the pressing piece 721 is tightly abutted on the adjusting belt 73, and the adjustment of the length size of the shoulder straps 1 is completed.
Then, the waist support adjusting belt 211 and the locking belt 22 are connected in sequence, that is, under the action of the belt buckle 31, the length of the first adjusting belt 32 and the second adjusting belt 33 is adjusted, then the locking lug 43 on the male buckle 4 is inserted into the lug insertion hole 53 on the female buckle 5 in a matching manner, meanwhile, the insertion block 523 is inserted into the insertion slot 411 in a matching manner, the snap-fit strip 524 penetrates through the through slot 431, so that the snap-fit strip 432 and the snap-fit strip 524 are slidably engaged, and finally, the sliding clamp 61 is moved, and the height position of the locking belt 22 is adjusted.
Example 2:
this embodiment is different from embodiment 1 in the fitting assembly.
Referring to fig. 9 and 10, the assembly component includes a first magnetic block 424 and a second magnetic block 522, in this embodiment, a first groove 423 is formed in a bottom wall of the male buckle attaching portion 42, a magnetic block mounting column 421 is fixed in a middle of the first groove 423, a magnetic block mounting cavity 422 is formed in a middle of the magnetic block mounting column 421, a shape and a size of the magnetic block mounting cavity 422 are determined according to circumstances, and the first magnetic block 424 is mounted in the middle of the magnetic block mounting cavity 422.
Correspondingly, the bottom wall of the female buckle attaching portion 52 is provided with a second groove 521, the middle of the second groove 521 is provided with a magnetic block mounting column 421, a magnetic block mounting cavity 422 is formed inside the magnetic block mounting column 421, the second magnetic block 522 is mounted in the magnetic block mounting cavity 422, and the magnetic properties of the second magnetic block 522 and the first magnetic block 424 are opposite.
The first magnetic block 424 of the male buckle 4 and the second magnetic block 522 of the female buckle 5 are attracted to each other, so that the male buckle 4 and the female buckle 5 are connected, and the first adjusting belt 32 and the second adjusting belt 33 are connected.
Example 3:
the present embodiment is different from embodiment 1 in that the stopper clip 74 is different.
Referring to fig. 2 and 11, the limiting buckle 74 includes a limiting buckle body 743 and a limiting strip 744, the limiting buckle body 743 and the limiting strip 744 are integrally formed, so that the limiting buckle 74 is a belt buckle with a cross section in a shape like a Chinese character 'ri', in the embodiment of the present application, the adjusting belt 73 firstly passes through the middle of the limiting buckle body 743, that is, the adjusting belt 73 is movably wound on the limiting strip 744, and then the adjusting belt 73 passes through the connecting buckle 72, so that the adjusting belt 73 is simultaneously movably wound on the matching pressing strip 723, so that the input end and the output end of the adjusting belt 73 are arranged in a stacked manner, and a user can limit the position of the adjusting belt 73 according to actual conditions, and further can adjust the length of the shoulder strap 1 to adapt to users with different heights.
The above are all the preferred embodiments of the present application, and this embodiment is only for explaining the present application, and does not limit the protection scope of the present application accordingly, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a knapsack chest waistband structure, its characterized in that includes two baldrics (1) and two waist support belts (21), two install waist support adjustment band (211), two between waist support belt (21) sliding connection has locking band (22) between baldric (1), locking band (22) the middle part of waist support adjustment band (211) all is provided with waist support connection structure, waist support connection structure is used for adjusting locking band (22), or the length and size of waist support adjustment band (211).
2. The backpack chest and waist belt structure according to claim 1, wherein the waist support connecting structure comprises a first adjusting belt (32) and a second adjusting belt (33), a male buckle (4) is disposed at one end of the first adjusting belt (32), a female buckle (5) is disposed at one end of the second adjusting belt (33), and an assembling component is disposed between the male buckle (4) and the female buckle (5).
3. The backpack chest and waistband structure according to claim 2, wherein a height adjusting guide rail (62) and a pressing strip (63) are fixed on the shoulder strap (1), the height adjusting guide rail (62) and the pressing strip (63) are arranged side by side, a sliding clamp (61) is arranged at one end of the first adjusting strap (32) and the second adjusting strap (33) close to the shoulder strap (1), the sliding clamp (61) is arranged between the height adjusting guide rail (62) and the pressing strip (63), and the sliding clamp (61) is connected with the height adjusting guide rail (62) in a sliding manner.
4. The backpack chest and waistband structure according to claim 1, wherein a shoulder strap length adjusting assembly is provided between the shoulder strap (1) and the backpack body (9), and the shoulder strap length adjusting assembly is used for adjusting the length dimension of the shoulder strap (1).
5. The backpack chest and waistband structure of claim 4 wherein said shoulder strap length adjustment assembly comprises: a connecting belt (71) fixed at the bottom end of the shoulder strap (1); a connecting buckle (72) fixed at one end of the connecting band (71); an adjusting belt (73) fixed on the outer wall of the bag body (9); and the adjusting belt limiting assembly is arranged on the connecting buckle (72), the adjusting belt (73) penetrates through the middle part of the connecting buckle (72), and the adjusting belt limiting assembly is used for locking the part of the adjusting belt (73) penetrating through the connecting buckle (72).
6. The backpack chest and waistband construction of claim 5 wherein said adjustment strap restraining assembly comprises: a rotating shaft (722) arranged in the middle of the connecting buckle (72); a pressing sheet (721) rotatably connected to the rotating shaft (722); a matching pressing strip (723) which is fixed in the middle of the connecting buckle (72) and is arranged in parallel with the rotating shaft (722); and a limit buckle (74) arranged on the adjusting belt (73); the limiting buckle (74) is used for locking the part of the adjusting belt (73) which bypasses the matching pressing strip (723), and one side of the pressing sheet (721) close to the matching pressing strip (723) abuts against the adjusting belt (73).
7. The backpack chest and waistband structure of claim 6 wherein a side of said compression tab (721) adjacent to said mating compression bar (723) is provided with locking compression teeth (7211).
8. The backpack chest and waist belt structure according to claim 2, wherein the waist support connection structure comprises a first adjusting belt (32) and a second adjusting belt (33), the first adjusting belt (32) and the second adjusting belt (33) are both provided with a belt buckle (31), the first adjusting belt (32) is movably connected with the male buckle (4) and then locked by the belt buckle (31), and the second adjusting belt (33) is movably connected with the female buckle (5) and then locked by another belt buckle (31).
9. The backpack chest and waistband structure as claimed in claim 6, wherein a lifting plate (724) is fixed to a side of said pressing plate (721) away from said rotating shaft (722), and said lifting plate (724) is provided with an arc surface.
10. A backpack, comprising a backpack chest and waist belt structure according to any one of claims 1 to 9, comprising a backpack body (9), wherein the two shoulder straps (1) and the two waist support belts (21) are disposed on the back of the backpack body (9), and the back of the backpack body (9) is provided with a cushion layer (91).
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