CN110604390A - Backpack and sitting posture correction and eyesight protection device - Google Patents
Backpack and sitting posture correction and eyesight protection device Download PDFInfo
- Publication number
- CN110604390A CN110604390A CN201910981159.9A CN201910981159A CN110604390A CN 110604390 A CN110604390 A CN 110604390A CN 201910981159 A CN201910981159 A CN 201910981159A CN 110604390 A CN110604390 A CN 110604390A
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- Prior art keywords
- belt
- backpack
- channel
- strap
- snap
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000004438 eyesight Effects 0.000 title claims abstract description 51
- 230000036544 posture Effects 0.000 abstract description 43
- 230000006870 function Effects 0.000 abstract description 8
- 230000005484 gravity Effects 0.000 abstract description 7
- 206010040007 Sense of oppression Diseases 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 10
- 238000007789 sealing Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 241000190070 Sarracenia purpurea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/30—Straps; Bands
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C15/00—Purses, bags, luggage or other receptacles covered by groups A45C1/00 - A45C11/00, combined with other objects or articles
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C3/00—Flexible luggage; Handbags
-
- 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
- A45F3/042—Sacks or packs carried on the body by means of two straps passing over the two shoulders specially adapted for school children
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B39/00—School forms; Benches or forms combined with desks
- A47B39/10—Devices for holding pupils upright, i.e. body supports
Abstract
The invention belongs to the technical field of student supplies, and particularly discloses a backpack and a sitting posture correction and eyesight protection device, wherein the backpack comprises two rectangular strip-shaped lower channel belts, two rectangular strip-shaped front channel belts, a rectangular strip-shaped chest belt, two rectangular strip-shaped shoulder belts and a bag-shaped bag body; the backpack has the advantages that the functions of the backpack are diversified, namely, when the carrying load of the backpack is heavy, the attaching property of the gravity center of the backpack body and the back of a student is improved, the stability of the backpack body is improved, the oppression feeling and the back-pull feeling of the backpack body to the student are relieved, and the use safety and the comfort are improved; meanwhile, the handbag can be simply formed according to the needs; in addition, the improved lower channel belt, the improved front channel belt, the improved chest belt and the improved shoulder belt can be connected and assembled to form a sitting posture correction and eyesight protection device, so that sitting postures of students can be corrected conveniently and practically, and eyesight of the students can be protected.
Description
Technical Field
The invention belongs to the technical field of student supplies, relates to a backpack, and particularly relates to a backpack and a sitting posture correction and eyesight protection device.
Background
At present, the knapsack that the student was commonly used is mostly the structure of bagged inclusion, both ends are connected with the upper and lower both ends of two baldrics respectively about the back of its inclusion, constitute two shoulder braces structures, but such knapsack loads the book more in the inclusion, load under the heavier condition, it is stronger to have to bear the sense of weighing down, inclusion focus is relatively poor with user's back laminating nature, make the inclusion feel strong to the decurrent oppression of student's health and the backward sense of weighing down, lead to the student to use the comfort relatively poor, and can influence student's spinal health, especially when the student need bear this schoolbag to catch up time and run several steps or go up stairs, its unstable focus of this heavy load's schoolbag breaks away from student's back more easily, further strengthen the sense of weighing down and the backward sense of weighing down, just lead to student's focus unstability this moment easily, reduce safety in utilization. The patent publication No. CN105411159A discloses a backpack, which comprises a backpack body, wherein shoulder straps are arranged on the backpack body, and pull straps are connected to the backpack body; the back of the bag body extends downwards to form a bottom supporting belt for supporting the bottom of the bag body, and the shoulder belt and the bottom supporting belt are of an integrated structure; one end of the drawstring is set as a fixed end, and the other end of the drawstring is set as a stretching end; the fixed end of the drawstring is fixed on a bottom supporting band at the bottom of the bag body; the pull belt, the bottom supporting belt and the shoulder belt form a supporting structure; the front side surface of the bag body is provided with a hollow bag body drawstring channel, and the drawstring extends into the bag body drawstring channel; the shoulder strap is provided with a hollow shoulder drawstring channel, and the drawstring extends into the shoulder drawstring channel; the shoulder strap at the position where the drawstring extends out from the outlet end of the shoulder drawstring channel can be provided with a hollow turning channel, and the drawstring extends out from the turning channel to form the chest strap. According to the backpack, the bottom supporting belt is arranged at the bottom of the backpack body, the pull belt is arranged on the front side of the backpack body, the shoulder belt is arranged on the rear side of the backpack body, one end of the bottom supporting belt is fixedly connected with the bottom of the backpack body, the other end of the bottom supporting belt is connected with one end of the pull belt, the other end of the pull belt is connected with one end of the shoulder belt, and the other end of the shoulder belt is connected with one end of the bottom of the backpack body. According to the structure of the backpack, although under the conditions that books are loaded in the backpack body and the load is heavy, the supporting structure formed by the drawstrings, the bottom supporting belts and the shoulder belts plays a role in supporting the backpack body in a wrapping manner, and the drawstrings are matched with the chest belts extending out of the turning channels to form the wrapping supporting structure which is integrated, good in fitting performance and good in stability, so that the downward pressing feeling and the backward falling feeling of the large-load backpack body on the body of a student are relieved, the comfort feeling of the student during use is improved, the influence on the spine health of the student is reduced, and especially when the student drives away for several steps or climbs stairs, the integrated wrapping supporting structure can better achieve the effects of relieving the pressing feeling and the backward falling feeling, and improving the comfort performance and the use safety. However, the backpack in the prior art has a single function, and cannot achieve the above effects, and meanwhile, the backpack can conveniently and practically correct the sitting posture of the student and protect the eyesight of the student from the actual study and use needs of the student.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a backpack and a sitting posture correction and eyesight protection device, so as to solve the problems that the backpack in the prior art has single function, the attaching property of the gravity center of the backpack body and the back of a student cannot be improved, the stability of the backpack body during carrying is improved, the oppression feeling and the back-pull feeling of the backpack body on the student are reduced, the practical learning life and the use needs of the student can be met, the sitting posture of the student can be corrected conveniently and practically, and the eyesight of the student can be protected.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a backpack, which comprises two rectangular strip-shaped lower channel belts, two rectangular strip-shaped front channel belts, a rectangular strip-shaped chest belt, two rectangular strip-shaped shoulder belts and a bag-shaped backpack body; the two lower channel belts are uniformly distributed on the left side and the right side below the bag body, the left side and the right side of the front end and the rear end of the two lower channel belts are respectively provided with at least two lower male snap fasteners uniformly distributed along the front-back direction, the front end and the rear end of the bottom surface of the bag body are respectively provided with a lower female snap fastener matched with the lower male snap fasteners, the two lower channel belts and the bottom surface of the bag body are respectively connected through the lower male snap fasteners and the lower female snap fasteners, and an opening gap between the lower channel belts and the bottom surface of the bag body along the front-back direction forms a lower channel; the two front channel belts are uniformly distributed on the left side and the right side of the front of the bag body, the left sides and the right sides of the front ends and the rear ends of the two front channel belts are respectively provided with at least two front sub-snap fasteners which are uniformly distributed along the vertical direction, the upper end and the lower end of the front side surface of the bag body are respectively provided with a front female snap fastener which is matched with the front sub-snap fasteners, the two front channel belts and the front side surface of the bag body are respectively connected through the front sub-snap fasteners and the front female snap fasteners, and an opening gap between the front channel belts and the front side surface of the bag body; the two shoulder straps respectively penetrate through the lower channel and the front channel on the left side and the lower channel and the front channel on the right side in sequence, and one end and the other end of each shoulder strap are respectively connected with the rear part of the bag body through an adjusting buckle; the upper end and the lower end of the left side and the right side of the chest belt are respectively provided with at least two neutron snap fasteners which are uniformly distributed along the left-right direction, the two shoulder straps at the middle part of the rear side of the bag body are respectively provided with a middle female snap fastener which is matched with the upper neutron snap fastener, and the left side and the right side of the chest belt are respectively connected with the two shoulder straps through the neutron snap fasteners and the middle female snap fasteners; the front parts of the shoulder belts are respectively provided with a rectangular strip-shaped auxiliary belt, the auxiliary belts are all positioned at the rear part of the bag body, the upper ends of the auxiliary belts are connected with the shoulder belt above the chest belt, and the lower ends of the auxiliary belts are connected with the shoulder belt below the adjusting buckle; outer female snap fasteners matched with the lower male snap fasteners are respectively arranged on the left side of the lower end of the left auxiliary belt, the right side of the lower end of the right auxiliary belt, the left side of the lower end of the left shoulder belt in front of the bag body and the right side of the lower end of the right shoulder belt in front of the bag body; inner female snap fasteners matched with the front male snap fasteners are respectively arranged on the right side of the lower end of the left auxiliary belt, the left side of the right auxiliary belt, the right side of the lower end of the left shoulder belt in front of the bag body and the left side of the lower end of the right shoulder belt in front of the bag body; the upper end of the auxiliary belt is respectively provided with an upper female snap fastener matched with the neutron snap fastener.
According to the backpack, the shoulder straps penetrate through the lower channel at the bottom of the backpack body and the front channel at the front part of the backpack body, and then the two ends of the shoulder straps are connected to form an annular structure wrapped on the periphery of the backpack body through the adjusting buckles at the rear part of the backpack body, so that the shoulder straps form an integral structure wrapping the backpack body, after a user carries the backpack body by the shoulder straps, the user is matched with the chest straps blocked on the front side of the body of the user, the backpack can integrally wrap the backpack body with a large load on the back of the user, the attaching property of the gravity center of the backpack body to the back of the user is improved, the stability of the backpack body is improved, and the oppression feeling and the back-pull; the ends of the chest straps can be connected with or disconnected from the shoulder straps through the middle and middle snap fasteners so as to facilitate the user to carry the bag body on the back or put down the bag body. Specifically, when the backpack body needs to be carried on the back, a user can carry the backpack body through the shoulder straps, then the two ends of the chest strap are connected with the shoulder straps, when the backpack body needs to be put down, the connection of the middle snap fastener and the middle snap fastener at one end of the chest strap is unfastened, and then the user can come out of the limiting and binding structure of the chest strap so as to put down the backpack.
When the shoulder straps are not needed and the bag body is only needed to be used as a handbag, the channel straps and the shoulder straps can be detached through the snap fasteners, and the hand straps are connected to the top of the bag body. Namely, the center of the top of the bag body can be connected with the two ends of the hand strap.
In addition, in order to prevent the shoulder straps from moving along the length direction of the shoulder straps in the channels when the user uses the backpack, the inner side surfaces of the shoulder straps at the front part and the lower part of the backpack body and the outer side surfaces at the front part and the lower part of the backpack body can be provided with matched fixed snap fasteners which are fixedly connected, so that the shoulder straps can be prevented from moving along the length direction of the channels. For example, the fixing snap fasteners are arranged on the inner side surface of the shoulder strap and the outer side surface of the bag body in the lower channel and the front channel, or the fixing snap fasteners are arranged on the inner side surface of the shoulder strap and the outer side surface of the bag body at the bottom and the top of the bag body, or the fixing snap fasteners are arranged in the lower channel and the front channel, and the inner side surface of the shoulder strap and the outer side surface of the bag body at the bottom and the top of the bag body. The number and the distribution of the fixing snap fasteners can be set according to the requirement, for example, the number of the fixing snap fasteners at each position is four, and each group of the fixing snap fasteners are uniformly distributed into a rectangle.
As mentioned above, the above structure of the backpack of the present application is to solve the problems that the backpack in the prior art has a single function, and when the load of the backpack is heavy, the attaching property of the gravity center of the backpack body to the back of the student cannot be improved, the stability of the backpack body when the backpack is carried is improved, the oppression feeling and the back-pull feeling of the backpack body to the student are reduced, and meanwhile, the sitting posture of the student can be corrected conveniently and practically and the eyesight of the student can be protected from the actual study life and use needs of the student; for this reason, this application another aspect provides a knapsack and position of sitting correction and eyesight protection device, this position of sitting correction and eyesight protection device aim at through its lower passageway area of knapsack that an aspect of this application provided, preceding passageway area, pectoral girdle and baldric constitute, through carrying out built-up connection to the lower passageway area of the above-mentioned knapsack of this application, preceding passageway area, pectoral girdle and baldric, constitute and to correct the position of sitting of user, carry out the device protected to user's eyesight for the function of the above-mentioned knapsack of this application is diversified, satisfies the needs of student's actual study life and use.
In another aspect of the present application, a sitting posture correcting and eyesight protecting device is provided, which comprises a lower channel belt, a front channel belt, a chest belt, shoulder belts and auxiliary belts in the backpack according to one aspect of the present application; the lower male snap fasteners at the two ends of each lower channel belt along the length direction are respectively connected with the outer female snap fasteners of one auxiliary belt and the shoulder belts adjacent to the auxiliary belt; the front son snap fasteners at the two ends of one front channel belt along the length direction are respectively connected with the inner mother snap fasteners on the two auxiliary belts, and the front son snap fasteners at the two ends of the other front channel belt along the length direction are respectively connected with the inner mother snap fasteners of the two shoulder belts; the neutron snap fasteners at the two ends of the chest belt along the length direction are respectively connected with the upper female snap fasteners on the two auxiliary belts.
The sitting posture correcting and eyesight protecting device has the specific use scene that after a student backs the backpack on one aspect of the application to a school or a home, the connection between the lower male snap fastener of the lower channel belt and the lower female snap fastener of the backpack body is released, so that the lower channel belt is separated from the backpack body; the front son snap fasteners of the front channel belt are disconnected with the front mother snap fasteners of the bag body, so that the front channel belt is separated from the bag body, and the son snap fasteners of the chest belt are disconnected with the middle mother snap fasteners of the bag body, so that the chest belt is separated from the bag body; the shoulder belt is taken down at the same time, and then the disassembled lower channel belt, the front channel belt, the chest belt and the shoulder belt are connected according to the structure of the sitting posture correction and eyesight protection device in another aspect of the application to form the sitting posture correction and eyesight protection device, and it can be seen that the two lower channel belts and the two front channel belts are sequentially connected at intervals at the annular lower part formed by the front part of the shoulder belt and the auxiliary belt, then the two lower channel belts and the two front channel belts sequentially form a transverse annular sleeve structure at intervals, the front part of the shoulder belt and the auxiliary belt form two longitudinal annular sleeve structures, the upper part of the longitudinal annular sleeve structure and the chest belt connected between the two auxiliary belts form an upper part limit structure, so that the chair back of the chair can extend into and be sleeved in the longitudinal annular sleeve structure through the transverse annular sleeve structure, and the upper parts of the two auxiliary belts are sleeved on the limit chair back through the chest belt, thereby establish the spacing cover in upper portion of two baldrics on the back of the chair, avoid supplementary area and the upper portion of baldric to slide from the back of the chair, at this moment, the student can sit on the chair, after passing two arms respectively through the annular space between two baldric rear portions and the supplementary area, stretch out forward and put on the desk, read and write, supplementary area and the baldric of establishing on the back of the chair play spacing correction effect to student's position of sitting, and play the limiting displacement to the distance between student and the books, avoid the student to be too near from books, play the effect of protecting eyesight, and do not influence the sight that the student read and write. Treat that the student needs the schoolbag to go home or the schoolbag to learn, will descend the horizontal, vertical annular cover structure that passageway area, preceding passageway area and baldric are constituteed, and the upper portion limit structure that the pectoral girdle is constituteed is unpack apart through removing the connection of each snap-fastener, according to an aspect of this application again the structure of knapsack, will descend passageway area, preceding passageway area, pectoral girdle and baldric and be connected the equipment with the inclusion again, then can obtain an aspect of this application the knapsack, the realization is born the bag and is learned or go to school.
In addition, all the sub-snap fasteners are preferably the parts of the snap fasteners with the convex clamping heads, and all the female snap fasteners are preferably the parts of the snap fasteners with the elastic clamping edge grooves, so that, because all the sub-snap fasteners are arranged on the lower channel belt, the front channel belt and the chest belt, and all the female snap fasteners are arranged on the bag body and the auxiliary belt, and the lower channel belt, the front channel belt and the chest belt are required to be alternately connected with the bag body or the auxiliary belt according to the requirements of students on the bag or sitting posture correction and vision protection devices, the elastic clamping edge grooves on the bag body or the auxiliary belt are alternately matched, disassembled and connected with the convex clamping heads on the lower channel belt, the front channel belt and the chest belt, the abrasion of the elastic clamping edges of the elastic clamping edge grooves can be reduced, the service life of the snap fastener combination structure is prolonged, and the service life of the bag and the sitting posture correction and vision protection devices is prolonged, if the two sides of the backpack are not the same, the elastic clamping edge grooves on the lower channel belt, the front channel belt and the chest belt are provided with the elastic clamping edge grooves, and the bag body or the auxiliary belt is provided with the protruding clamping head, so that the elastic clamping edge grooves on the lower channel belt, the front channel belt and the chest belt are disassembled and assembled and continuously in a connection state no matter the students are carrying the backpack or using the sitting posture correction and eyesight protection device, the abrasion of the elastic clamping edge groove is increased, and the service life of the backpack and the sitting posture correction and eyesight protection device can be shortened.
Compared with the prior art, the invention has the beneficial effects that:
the backpack and the sitting posture correction and vision protection device can solve the problems that the backpack in the prior art has single function, the attaching property of the gravity center of the backpack body to the back of a student cannot be improved when the backpack body is loaded with heavy load, the stability of the backpack body is improved, the oppressive feeling and the back-pull falling feeling of the backpack body to the student are reduced, the practical learning life and the use needs of the student can be started, the sitting posture of the student can be conveniently and practically corrected, and the vision of the student is protected, the backpack can be diversified in function, namely the attaching property of the gravity center of the backpack body to the back of the student can be improved when the backpack body is loaded with heavy load, the stability of the backpack body is improved, the oppressive feeling and the back-pull falling feeling of the backpack body to the student are reduced, and the use safety and comfort are improved; meanwhile, the handbag can be simply formed according to the needs; in addition, the improved lower channel belt, the improved front channel belt, the improved chest belt and the improved shoulder belt can be connected and assembled to form a sitting posture correction and eyesight protection device, so that sitting postures of students can be corrected conveniently and practically, and eyesight of the students can be protected.
Drawings
Fig. 1 is a bottom view of the backpack of the first embodiment.
Fig. 2 is a bottom view of the body of the backpack of the first embodiment.
Fig. 3 shows a front view of the backpack of the first embodiment.
Fig. 4 is a front view of the body of the backpack of the first embodiment.
Fig. 5 shows a left side view of the backpack of the first embodiment.
Figure 6 shows a rear view of the backpack of the first embodiment.
Figure 7 shows a front view of the backpack of the second embodiment.
Figure 8 is a side view of the backpack of the third embodiment.
Fig. 9 is a front view of the body and front access straps of the backpack of the fourth embodiment.
Fig. 10 is a front view of the body and front access straps of the backpack of example five.
Figure 11 is a front view of the body and front access straps of the backpack of example six.
Fig. 12 is a left side view of the sitting posture correcting and vision protecting device in accordance with the seventh embodiment.
Fig. 13 is a front view of the sitting posture correcting and vision protecting device in accordance with the seventh embodiment.
Fig. 14 is a rear view of the sitting posture correcting and vision protecting device in accordance with the seventh embodiment.
Figure 15 is a side view of the schoolbag and the sub-buttons of the sitting posture correcting and eyesight protecting device in accordance with the eighth embodiment.
Fig. 16 is a top view of the sub-buttons of the schoolbag and the sitting posture correcting and eyesight protecting device in the eighth embodiment.
Fig. 17 is a top view of the female snap fasteners of the bag and the sitting posture correcting and vision protecting device according to the eighth embodiment.
In the figure: 1 is a lower channel belt, 101 is a lower male snap fastener, 102 is a lower channel, 2 is a front channel belt, 201 is a front male snap fastener, 202 is a front channel, 203 is a lower sealing snap fastener, 204 is a zipper, 205 is an upper sealing snap fastener, 206 is a connecting snap fastener, 3 is a chest belt, 301 is a female snap fastener, 4 is a shoulder belt, 41 is an auxiliary belt, 401 is an adjusting buckle, 402 is a middle female snap fastener, 403 is an outer female snap fastener, 404 is an inner female snap fastener, 405 is an upper female snap fastener, 5 is a bag body, 501 is a lower female snap fastener, 502 is a front female snap fastener, 503 is a cover plate, 6 is a hand strap, 7 is a fixing snap fastener, 8 is a chair back, 9 is a convex snap fastener, 10 is an elastic card edge groove, and 11 is an elastic card edge.
The front-back direction in the whole specification refers to the left-right direction in each left view and also refers to the up-down direction of the lower view; the up-down direction in the whole specification refers to the up-down direction in each of the left view, the front view and the rear view; the left and right directions in the entire specification refer to the left and right directions in the front view, respectively, and the left and right directions in the entire specification also refer to the left and right directions of the rear view and the bottom view, respectively, because the backpack and the sitting posture correcting and eyesight protecting apparatus of the present application have a left-right mirror-image structure.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
A backpack comprises two rectangular strip-shaped lower channel belts 1, two rectangular strip-shaped front channel belts 2, a rectangular strip-shaped chest belt 3, two rectangular strip-shaped shoulder belts 4 and a bag-shaped bag body 5; as shown in fig. 1, which is a lower view of the backpack of this embodiment, two lower channel belts 1 are uniformly arranged on the left and right sides of the lower part of the backpack body 5, the left and right sides of the front and rear ends of the two lower channel belts 1 are respectively provided with at least two lower male snap fasteners 101 uniformly distributed in the front and rear directions, the front and rear ends of the bottom surface of the backpack body 5 are respectively provided with lower female snap fasteners 501 matched with the lower male snap fasteners 101, the two lower channel belts 1 and the bottom surface of the backpack body 5 are respectively connected through the lower male snap fasteners 101 and the lower female snap fasteners 501, and an opening gap between the lower channel belts 1 and the bottom surface of the backpack body 5 in the front and rear directions forms a lower channel 102; fig. 2 is a bottom view of the body of the backpack of the present embodiment. As shown in fig. 3, which is a front view of the backpack of this embodiment, two front channel belts 2 are uniformly arranged on the left and right sides of the front of the backpack body 5, the left and right sides of the front and rear ends of the two front channel belts 2 are respectively provided with at least two front male snap fasteners 201 uniformly distributed in the up-down direction, the upper and lower ends of the front side of the backpack body 5 are respectively provided with front female snap fasteners 502 matched with the front male snap fasteners 201, the two front channel belts 2 and the front side of the backpack body are respectively connected by the front male snap fasteners 201 and the front female snap fasteners 502, and an opening gap between the front channel belts 2 and the front side of the backpack body 5 in the front-back direction forms a front channel 202; fig. 4 is a front view of the body of the backpack of the first embodiment. As shown in fig. 5, which is a left side view of the backpack of this embodiment, the two shoulder straps 4 respectively pass through the left lower channel 102 and the left front channel 202, and the right lower channel 102 and the right front channel 202 in turn, and one end and the other end of the shoulder straps 4 are respectively connected at the rear of the backpack body 5 through the adjusting buckle 401; as shown in fig. 6, which is a rear view of the backpack of this embodiment, the upper end and the lower end of the left side and the right side of the chest strap 3 are respectively provided with at least two neutron snap fasteners 301 which are uniformly distributed along the left-right direction, the two shoulder straps 4 at the middle part of the rear side of the backpack body 5 are respectively provided with a middle female snap fastener 402 which is matched with the upper neutron snap fastener 301, and the left side and the right side of the chest strap 3 are respectively connected with the two shoulder straps 4 through the neutron snap fasteners 301 and the middle female; the front of the shoulder strap 4 is respectively provided with a rectangular strip-shaped auxiliary strap 41, the auxiliary straps 41 are all positioned at the rear of the bag body 5, the upper end of the auxiliary strap 41 is connected with the shoulder strap 4 above the chest strap 3, and the lower end of the auxiliary strap 41 is connected with the shoulder strap 4 below the adjusting buckle 401; the left side of the lower end of the left auxiliary strap 41, the right side of the lower end of the right auxiliary strap 41, the left side of the lower end of the left shoulder strap 5 in front of the bag body 5 and the right side of the lower end of the right shoulder strap 4 in front of the bag body 5 are respectively provided with an outer female snap 403 matched with the lower male snap 101; inner female snap buttons 404 matched with the front male snap buttons 201 are respectively arranged on the right side of the lower end of the left auxiliary belt 41, the left side of the right auxiliary belt 41, the right side of the lower end of the left shoulder belt 5 in front of the bag body 5 and the left side of the lower end of the right shoulder belt 4 in front of the bag body 5; the upper ends of the auxiliary bands 41 are respectively provided with upper female snap fasteners 405 that mate with the female snap fasteners 301.
In the backpack, the lower channel belt 1 is connected with the bottom surface of the backpack body 5 to form a lower channel 102; the front channel belt 2 is connected with the front side surface of the bag body 5 to form a front channel 202; after the shoulder straps 4 penetrate through the lower channel 102 at the bottom of the bag body 5 and the front channel 202 at the front part, the two ends of the shoulder straps 4 are connected to form an annular structure wrapped on the periphery of the bag body 5 through the adjusting buckles 401 at the rear part of the bag body 5, so that the shoulder straps 4 form an integral structure wrapping the bag body 5, a user can carry the bag body 5 on the back through the shoulder straps 4 and then cooperate with the pectoral girdle 3 blocked on the front side of the body of the user, the whole ground of the bag body 5 with heavy load can be wrapped on the back of the user, the fitting property of the gravity center of the bag body 5 and the back of the user is improved, the stability of the bag body during carrying is improved, and the oppression feeling and the back; the circumference of the loop structure of the shoulder strap 4 can be adjusted by the adjusting buckle 401, which is suitable for users of different sizes. The ends of the chest strap 3 can be connected or disconnected with the shoulder straps 4 by the neutron snap 301 and the medium-neutron snap 402 to facilitate the user to carry the bag body 5 on the back or put down the bag body 5. For example, when the user needs to put the backpack 5 on the back, the user puts the shoulder straps 4 on the back by passing the arms through the ring structures of the shoulder straps 4, and then connects the two ends of the chest strap 3 with the shoulder straps 4, and when the user needs to put down the backpack 5, the user unlocks the connection between the middle snap button 301 and the middle snap button 402 at one end of the chest strap 3, and then the user can come out of the limit binding structure of the chest strap 3 to put down the backpack.
When a user passes an arm through the annular structure of the shoulder strap 4, the auxiliary strap 41 is used as a component of the shoulder strap 4, the arm of the user can extend between the auxiliary strap 41 and the bag body 5 and can also extend between the auxiliary strap 41 and the shoulder strap 4, when the arm of the user extends between the auxiliary strap 41 and the shoulder strap 4, the auxiliary strap 41 can further fix the arm of the user, at the moment, the auxiliary strap 41 is preferably an elastic strap, so that the fixing effect of the auxiliary strap on the arm can be improved, and the use stability is improved. In addition, the auxiliary strap 41 can also serve as a spacer cushion between the shoulder and back, the arms, and the bag body 5 of the user, and in this case, the auxiliary strap 41 is preferably a tubular strap having a flexible filling layer such as a sponge layer inside to improve the cushion effect and the comfort of use. It should be noted that the upper end of the auxiliary strap 41 is preferably fixedly connected to the shoulder strap 4 by a structure such as a sewing thread; the lower end of the auxiliary strap 41 and the shoulder strap 4 may be fixedly connected by, for example, sewing, and at this time, if it is necessary to take out the loop structure of the shoulder strap 4 from the lower channel 102 and the front channel 202, or to install the loop structure of the shoulder strap 4 into the lower channel 102 and the front channel 202, the connection with the bag body 5 may be opened by opening the lower channel strap 1, the left side or the right side of the front channel strap 2, and then the loop structure of the shoulder strap 4 may be entirely removed from the periphery of the bag body 5; the lower end of the auxiliary strap 41 and the shoulder strap 4 may be movably connected by an auxiliary snap, for example, in which case, if the loop structure of the shoulder strap 4 needs to be taken out from the lower channel 102 and the front channel 202, or the loop structure of the shoulder strap 4 needs to be installed into the lower channel 102 and the front channel 202, the loop structure of the shoulder strap 4 may be opened by opening the auxiliary snap and then opening the adjusting buckle 401, and then the shoulder strap 4 may be drawn out from the lower channel 102 and the front channel 202, or the shoulder strap 4 may be inserted into the lower channel 102 and the front channel 202, the shoulder strap 4 and the auxiliary strap 41 may be connected by the auxiliary snap, and both ends of the shoulder strap 4 may be connected by the adjusting buckle 401, in addition to the manner of opening the left side or right side of the lower channel 1 and the front channel 2 and the bag body 5.
Example two
On the basis of the backpack described in embodiment 1, in the backpack of this embodiment, a rectangular strip-shaped hand strap 6 is further disposed in the middle of the top of the backpack body 5, and both ends of the hand strap 6 are fixedly connected to the top of the backpack body 5. Fig. 7 shows a front view of the backpack of this embodiment. In this case, when the bag body 5 is used as a handbag without using the shoulder strap 4, the passage strap and the shoulder strap 4 can be detached by the snap fasteners, and the bag body 5 can be taken out by the carry strap 6.
EXAMPLE III
In addition to the backpack described in the first or second embodiment, the backpack of this embodiment may further include fixing snap fasteners 7 that are matched with each other and disposed on the inner side surfaces of the shoulder straps 4 at the front and lower sides of the backpack body 5 and the outer side surfaces of the front and lower parts of the backpack body 5. Fig. 8 shows a side view of the backpack of this embodiment. At this time, when the user wears the backpack, the shoulder strap 4 and the backpack body 5 are first fixedly connected by the fixing snap 7, so that the shoulder strap 4 is prevented from moving in the longitudinal direction in each passage.
Specifically, for example, the fixing snaps 7 are arranged on the inner side of the shoulder strap 4 and the outer side of the bag body 5 in the lower channel 102 and the front channel 202, or the fixing snaps 7 are arranged on the inner side of the shoulder strap 4 and the outer side of the bag body 5 at the bottom and the top of the bag body 5, or the fixing snaps 7 may be arranged on both the inner side of the shoulder strap 4 and the outer side of the bag body 5 at the bottom and the top of the bag body 5 and the lower channel 102 and the front channel 202. The number and distribution of the fixing snap fasteners 7 can be set according to the requirement, for example, the number of the fixing snap fasteners 7 at each position is four, and each group of the fixing snap fasteners 7 is uniformly distributed into a rectangle.
Example four
In addition to the backpack according to any one of the first to third embodiments, the backpack according to this embodiment may further include a lower sealing snap 203 for connecting the lower portion of the front channel belt 2 and the bag body 5. Fig. 9 shows a front view of the body and the front access belt of the backpack of this embodiment. Thus, since the lower part of the front channel band 2 and the bag body 5 can be connected to form a structure in which the lower part is partially sealed by the lower sealing snap 203, when the shoulder strap 4 is not needed, articles such as a cup and an umbrella can be placed in the front channel 202 formed by the connection structure of the front channel band 2 and the front side surface of the bag body 5, so that the front channel 202 with the lower end sealed can function as a storage bag. At this time, the number of the front male snap 201 and the front female snap 502 can be increased from top to bottom according to the requirement to meet the requirement that the front channel 202 is used as a bag.
EXAMPLE five
On the basis of the backpack described in the fourth embodiment, the backpack of this embodiment may further include matching zippers 204 disposed on the left side, the lower side, and the right side of the front channel belt 2 and the front side of the backpack body 5. Fig. 10 shows a front view of the body and the front access belt of the backpack of this embodiment. Thus, because the lower part of the front channel belt 2 and the bag body 5 can be connected into a structure with the lower part completely sealed through the zipper 204, when the shoulder strap 4 is not needed, the front channel belt 2 can be placed in the front channel 202 formed by the connection structure of the front channel belt 2 and the front side surface of the bag body 5, besides the articles such as a water cup, an umbrella and the like, the articles such as a pen, a ruler and the like can also be placed, so that the front channel 202 with the sealed lower end plays a role of a storage bag.
EXAMPLE six
In the fourth or fifth embodiment, as shown in fig. 11, which is a front view of the bag body and the front channel belt of the present embodiment, it is further possible that a rectangular cover sheet 503 is disposed on the front side of the bag body 5 in front of the front channel belt 2, and the upper side edge of the cover sheet 503 is connected to the bag body 5 above the front channel belt 2. Taking the fourth embodiment as an example, in this case, the cover sheet 503 covering the upper side and the front side of the front lane belt 2, that is, also covering the upper side and the front side of the front lane 202 can cover the article placed in the front lane 202, and protect the article to some extent.
Still further, the lower portion of the flap 503 is connected to the upper portion of the front channel strip 2 by an upper closure snap 205. So as to be connected with the front channel belt 2 through the cover plate 503 to seal the upper part of the front channel 202, so as to prevent the articles placed in the front channel 202 from falling off.
Further, the lower part of the cover 503 is folded upwards and connected with the bag body 5 above the front channel strip 2 through the connecting snap 206. Thus, when no article needs to be placed in the front channel 202, especially when the shoulder strap 4 needs to be placed in the front channel 202, the lower part of the cover sheet 503 is folded upwards and connected with the bag body 5 above the front channel belt 2 through the connecting snap 206 to open the upper end of the front channel 202, and at this time, the lower sealing snap 203 at the lower part of the front channel belt 2 is opened, and if the structure described in embodiment 5 is adopted, the zipper 204 needs to be opened, the lower end of the front channel 202 is opened, so that the shoulder strap 4 can pass through the front channel 202 as required.
EXAMPLE seven
A sitting posture correcting and eyesight protecting device, comprising a lower channel belt 1, a front channel belt 2, a chest belt 3, shoulder belts 4 and auxiliary belts 41 in the backpack according to any one of the first embodiment to the sixth embodiment; fig. 12 is a left side view of the sitting posture correcting and eyesight protecting device of this embodiment; the lower male snap fasteners 101 at both ends of each lower channel band 1 in the length direction thereof are respectively connected with the outer female snap fasteners 403 of one auxiliary band 41 and the shoulder band 4 adjacent thereto; the front sub-snap fasteners 201 at the two ends of one front channel belt 2 along the length direction are respectively connected with the inner female snap fasteners 404 on the two auxiliary belts 41, and the front sub-snap fasteners 201 at the two ends of the other front channel belt 2 along the length direction are respectively connected with the inner female snap fasteners 404 of the two shoulder belts 4; fig. 13 is a front view of the sitting posture correcting and eyesight protecting device of this embodiment; the neutron snap fasteners 301 at the two ends of the chest band 3 in the length direction are respectively connected with the upper female snap fasteners 405 on the two auxiliary bands 41. Fig. 14 is a rear view of the sitting posture correcting and eyesight protecting device of this embodiment.
In practical application, after a student carries the backpack as described in any one of embodiments 1 to 6 to a school or a home, the lower male snap 101 of the lower channel strap 1 is disconnected from the lower female snap 501 of the bag body 5, so that the lower channel strap 1 is separated from the bag body 5; the front son-snap fasteners 201 of the front channel belt 2 are disconnected from the front mother-snap fasteners 502 of the bag body 5, so that the front channel belt 2 is separated from the bag body 5, and the son-snap fasteners 301 of the chest belt 3 are disconnected from the middle mother-snap fasteners 402 of the bag body 5, so that the chest belt 3 is separated from the bag body 5; the shoulder strap 4 is taken down at the same time, and then the disassembled lower channel strap 1, front channel strap 2, chest strap 3 and shoulder strap 4 are connected according to the structure of the sitting posture correction and eyesight protection device described in this embodiment to form the sitting posture correction and eyesight protection device, it can be seen that, the two lower channel straps 1 and the two front channel straps 2 are sequentially connected at intervals to the annular lower part formed by the front part of the shoulder strap 4 and the auxiliary strap 41, then the two lower channel straps 1 and the two front channel straps 2 sequentially form a transverse annular sleeve structure at intervals, the front part of the shoulder strap 4 and the auxiliary strap 41 form two longitudinal annular sleeve structures, and the upper part of the longitudinal annular sleeve structure and the chest strap 3 connected between the two auxiliary straps 41 form an upper part limit structure, so that the chair back 8 of the chair can be inserted into and sleeved in the longitudinal annular sleeve structure through the transverse annular sleeve structure, the upper parts of the two auxiliary straps 41 are limited and sleeved on the chair back 8 through the annular sleeve 3, thereby establish the spacing cover in upper portion of two baldrics 4 on the back of the chair 8, avoid supplementary area 41 and the upper portion of baldric 4 landing from the back of the chair 8, at this moment, the student can sit on the chair, after passing the annular space between two baldrics 4 rear portions and supplementary area 41 respectively with two arms, stretch out forward and put on the desk, read and write, supplementary area 41 and baldric 4 that establish on the back of the chair 8 play spacing correction effect to student's position of sitting, and play the limiting displacement to the distance between student and the books, avoid the student to be too near from books, play the effect of protecting the eyesight, and do not influence the sight that the student read and write.
It should be noted that, here, as the stress end that student's position of sitting was corrected and distance adjustment keeps through baldric 4, can guarantee its stress intensity more, guarantee to correct and adjust and keep the effect, at this moment, the student can adjust the size of the loop configuration of baldric 4 through adjusting knot 401 to be applicable to the student of different statures and use, and be applicable to the position of sitting of different situations and the demand that distance adjustment of reading and writing keeps. In contrast, if the elastic band is provided on the rear side surface of the shoulder strap 4, and then the arm of the student passes through the space formed by the elastic band and the shoulder strap 4, that is, if the elastic band is used as the stressed end for correcting the sitting posture of the student and adjusting and maintaining the reading and writing distance, the space for the upper half of the student to move can be flexibly changed, that is, the adjustment of the sitting posture correction and the reading and writing distance is more flexible and convenient, but the stress strength of the elastic band cannot meet the requirement for ensuring the correction and adjusting and maintaining effects. Then, when the student needs to go home or go to school with the schoolbag, the horizontal and vertical annular sleeve structures formed by the lower channel belt 1, the front channel belt 2 and the shoulder belts 4 and the upper limiting structures formed by the chest belts 3 are disassembled by releasing the connection of the snap fasteners, and then the lower channel belt 1, the front channel belt 2, the chest belts 3 and the shoulder belts 4 are connected and assembled with the bag body 5 according to the structure of the backpack in one aspect of the application, so that the backpack in any one of the embodiments 1 to 6 can be obtained, and the purpose of learning down or up of the backpack body 5 is achieved.
Example eight
In addition to the seventh embodiment, the sitting posture correcting and eyesight protecting device of the present embodiment and the backpack based thereon may further comprise a lower male snap 101, a front male snap 201 and a middle male snap 301 each having a snap part with a convex cartridge 9, and an outer female snap 403, an inner female snap 404, an upper female snap 405, a lower female snap 501, a front female snap 502 and a middle female snap 402 each having a snap part with an elastic card edge groove 10. Fig. 15 is a side view of a portion of the snap fastener with a protruding clip of the sitting posture correcting and eyesight protecting device of this embodiment. Fig. 16 is a top view of the snap portion with protruding tabs of the sitting posture correction and vision protection device of this embodiment. Fig. 17 is a top view of a snap fastener portion having an elastic snap edge groove of the sitting posture correcting and eyesight protecting device of this embodiment.
It should be noted that, as described in the backpack solution of any one of embodiments 1 to 6, all the male snap fasteners are disposed on the lower channel belt 1, the front channel belt 2 and the chest belt 3, and all the female snap fasteners are disposed on the backpack body 5 and the auxiliary belt 41, and the lower channel belt 1, the front channel belt 2 and the chest belt 3 are required to be alternately connected with the backpack body 5 or the auxiliary belt 41 according to the needs of students on the backpack or on the sitting posture correction and eyesight protection device, so that the elastic edge-clamping groove 10 on the backpack body 5 or the auxiliary belt 41 is alternately matched with the convex clamping head 9 on the lower channel belt 1, the front channel belt 2 and the chest belt 3 for assembly, thereby reducing the wear of the elastic clamping edge 11 of the elastic clamping edge groove 10, increasing the service life of the snap fastener combination structure, and increasing the service life of the backpack and the sitting posture correction and eyesight protection device, and if vice versa, suppose that lower passageway area 1, front passageway area 2 and chest area 3 go up to adopt elasticity card limit recess 10, and adopt protruding dop 9 on inclusion 5 or the supplementary area 41, then no matter be the student at knapsack, still the student is using position of sitting to correct and eyesight protection device, lower passageway area 1, front passageway area 2 and the elasticity card limit recess 10 on the chest area 3 all carry out the dismouting, and continuously are in connected state, then increase the wearing and tearing to its elasticity card limit 11 of elasticity card limit recess 10, can lead to reducing the life of knapsack and position of sitting correction and eyesight protection device.
In order to improve the comfort and the air permeability of the sitting posture correcting and eyesight protecting device of the present embodiment, the shoulder belt 4 and the auxiliary belt 41 may be belt bodies having air holes, such as knitted mesh belts. In addition, the adjusting buckle 401 may be a structure shaped like a Chinese character 'ri', and the shoulder strap 4 sequentially passes through the upper and lower spaces of the structure shaped like a Chinese character 'ri', thereby forming a structure that can be stretched to adjust the size.
The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are within the scope and disclosure of the present invention.
Claims (10)
1. A backpack comprises two rectangular strip-shaped lower channel belts (1), two rectangular strip-shaped front channel belts (2), a rectangular strip-shaped chest belt (3), two rectangular strip-shaped shoulder belts (4) and a bag-shaped bag body (5); the bag is characterized in that the two lower channel belts (1) are uniformly distributed on the left side and the right side below the bag body (5), the left side and the right side of the front end and the rear end of the two lower channel belts (1) are respectively provided with at least two lower sub snap fasteners (101) uniformly distributed in the front-back direction, the front end and the rear end of the bottom surface of the bag body (5) are respectively provided with a lower female snap fastener (501) matched with the lower sub snap fasteners (101), the bottom surfaces of the two lower channel belts (1) and the bag body (5) are respectively connected through the lower sub snap fasteners (101) and the lower female snap fasteners (501), and an opening gap between the lower channel belts (1) and the bottom surface of the bag body (5) along the front-back direction forms a lower channel (102; the two front channel belts (2) are uniformly distributed on the left side and the right side in front of the bag body (5), the left side and the right side of the front end and the rear end of the two front channel belts (2) are respectively provided with at least two front sub-snap fasteners (201) which are uniformly distributed along the vertical direction, the upper end and the lower end of the front side surface of the bag body (5) are respectively provided with a front female snap fastener (502) which is matched with the front sub-snap fasteners (201), the two front channel belts (2) are respectively connected with the front side surface of the bag body through the front sub-snap fasteners (201) and the front female snap fasteners (502), and an opening gap between the front channel belts (2) and the front side surface of the bag body (5) along the front-; the two shoulder straps (4) respectively pass through the left lower channel (102) and the left front channel (202) and the right lower channel (102) and the right front channel (202) in sequence, and one end and the other end of each shoulder strap (4) are respectively connected with the rear part of the bag body (5) through an adjusting buckle (401); the upper end and the lower end of the left side and the right side of the chest strap (3) are respectively provided with at least two neutron snap fasteners (301) which are uniformly distributed along the left-right direction, the two shoulder straps (4) at the middle part of the rear side of the bag body (5) are respectively provided with a middle female snap fastener (402) which is matched with the upper neutron snap fastener (301), and the left side and the right side of the chest strap (3) are respectively connected with the two shoulder straps (4) through the neutron snap fasteners (301) and the middle female snap fasteners (402); the front of the shoulder strap (4) is respectively provided with an auxiliary strap (41) which is positioned in a rectangular strip shape, the auxiliary straps (41) are all positioned at the rear of the bag body (5), the upper end of the auxiliary strap (41) is connected with the shoulder strap (4) above the chest strap (3), and the lower end of the auxiliary strap (41) is connected with the shoulder strap (4) below the adjusting buckle (401); outer female snap fasteners (403) matched with the lower male snap fasteners (101) are respectively arranged on the left side of the lower end of the left auxiliary belt (41), the right side of the lower end of the right auxiliary belt (41), the left side of the lower end of the left shoulder belt (5) in front of the bag body (5) and the right side of the lower end of the right shoulder belt (4) in front of the bag body (5); inner female snap fasteners (404) matched with the front male snap fasteners (201) are respectively arranged on the right side of the lower end of the left auxiliary belt (41), the left side of the right auxiliary belt (41), the right side of the lower end of the left shoulder belt (5) in front of the bag body (5) and the left side of the lower end of the right shoulder belt (4) in front of the bag body (5);
the upper ends of the auxiliary belts (41) are respectively provided with an upper female snap fastener (405) matched with the neutron snap fastener (301).
2. The backpack as claimed in claim 1, wherein a rectangular strip-shaped hand strap (6) is arranged in the middle of the top of the backpack body (5), and both ends of the hand strap (6) are fixedly connected with the top of the backpack body (5).
3. A backpack according to claim 1, characterized in that the inner side of the shoulder straps (4) in front of and below the body (5) and the outer side of the front and lower part of the body (5) are provided with matching fixing snap fasteners (7).
4. A backpack according to claim 1, wherein the lower part of the front access strap (2) is connected to the pack body (5) by means of a lower closure snap fastener (203).
5. A backpack according to claim 4, wherein matching zippers (204) are provided on the left, lower and right side edges of the front channel strap (2) and on the front side of the pack body 5.
6. A backpack according to claim 4 or 5, wherein the front side of the body (5) is provided with a rectangular cover sheet (503) in front of the front walkway belt (2), the upper side edge of the cover sheet (503) being connected to the body (5) above the front walkway belt (2).
7. A backpack according to claim 6, wherein the lower part of the flap (503) is connected to the upper part of the front channel strip (2) by means of an upper closure snap fastener (205).
8. A backpack according to claim 7, wherein the lower part of the flap (503) is folded upwards and connected to the body (5) above the front access strap (2) by means of a connecting snap (206).
9. A sitting posture correcting and eyesight protecting device, comprising a lower channel strap (1), a front channel strap (2), a chest strap (3), shoulder straps (4) and auxiliary straps (41) in the backpack according to any one of claims 1-8; it is characterized in that the lower snap buttons (101) at the two ends of each lower channel belt (1) along the length direction are respectively connected with the outer female snap buttons (403) of one auxiliary belt (41) and the adjacent shoulder belt (4); front sub-snap fasteners (201) at two ends of one front channel belt (2) along the length direction are respectively connected with inner female snap fasteners (404) on two auxiliary belts (41), and front sub-snap fasteners (201) at two ends of the other front channel belt (2) along the length direction are respectively connected with inner female snap fasteners (404) of two shoulder belts (4); the neutron snap fasteners (301) at the two ends of the chest belt (3) along the length direction are respectively connected with the upper female snap fasteners (405) on the two auxiliary belts (41).
10. The sitting posture correcting and eyesight protecting device as claimed in claim 9, wherein the lower male snap (101), the front male snap (201) and the middle male snap (301) are all snap parts having a convex clip (9), and the outer female snap (403), the inner female snap (404), the upper female snap (405), the lower female snap (501), the front female snap (502) and the middle female snap (402) are all snap parts having an elastic clipping edge groove (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910981159.9A CN110604390A (en) | 2019-10-16 | 2019-10-16 | Backpack and sitting posture correction and eyesight protection device |
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| CN201910981159.9A CN110604390A (en) | 2019-10-16 | 2019-10-16 | Backpack and sitting posture correction and eyesight protection device |
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| CN110604390A true CN110604390A (en) | 2019-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081430A (en) * | 2021-04-30 | 2021-07-09 | 江苏体益佳科技有限公司 | Dual-purpose sitting posture correcting belt |
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| KR200392083Y1 (en) * | 2005-05-27 | 2005-08-09 | 손원용 | Bag for dispersing a load |
| CN202489434U (en) * | 2012-03-12 | 2012-10-17 | 德清县雷甸镇中心小学 | Sitting posture correction backpack |
| CN204207275U (en) * | 2014-09-29 | 2015-03-18 | 东莞易动时尚电子商务科技有限公司 | A kind of multifunctional backpack |
| CN104528185A (en) * | 2014-12-25 | 2015-04-22 | 中国人民解放军总后勤部军需装备研究所 | Food thermal insulating knapsack |
| CN204427057U (en) * | 2015-01-19 | 2015-07-01 | 深圳市德安泰防护科技有限公司 | Modular fire-proof lifesaving knapsack |
| CN204427059U (en) * | 2015-01-26 | 2015-07-01 | 际华三五二二装具饰品有限公司 | A kind of multi-functional bag |
| CN105661921A (en) * | 2016-03-21 | 2016-06-15 | 电子科技大学 | Sitting posture correction chair cover |
| CN206062493U (en) * | 2016-09-20 | 2017-04-05 | 曹进江 | The laborsaving backpack of rectifiable back posture |
| CN209463524U (en) * | 2018-11-06 | 2019-10-08 | 广州市普乐威箱包有限公司 | A kind of multi-functional packet of band binding cradling function |
| CN211269059U (en) * | 2019-10-16 | 2020-08-18 | 刘晋豪 | Backpack and sitting posture correction and eyesight protection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081430A (en) * | 2021-04-30 | 2021-07-09 | 江苏体益佳科技有限公司 | Dual-purpose sitting posture correcting belt |
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