CN107802088B - A kind of knapsack of student - Google Patents
A kind of knapsack of student Download PDFInfo
- Publication number
- CN107802088B CN107802088B CN201711091002.6A CN201711091002A CN107802088B CN 107802088 B CN107802088 B CN 107802088B CN 201711091002 A CN201711091002 A CN 201711091002A CN 107802088 B CN107802088 B CN 107802088B
- Authority
- CN
- China
- Prior art keywords
- knapsack
- gag lever
- lever post
- fixed
- zipper
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000004677 Nylon Substances 0.000 claims description 4
- 238000001727 in vivo Methods 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 238000005034 decoration Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 1
- -1 poly- ammonia Ester Chemical class 0.000 claims 1
- 239000003921 oil Substances 0.000 description 18
- 239000006071 cream Substances 0.000 description 12
- 239000000945 filler Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- A45F2003/001—Accessories
Landscapes
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Portable Outdoor Equipment (AREA)
Abstract
The present invention provides the knapsacks of student a kind of.It solves the harness length in existing knapsack and can not quickly adjust, and is only used for single crowd, uses the technical problems such as single.The knapsack of this student, including backpack body, backpack body picks and places and is provided with zipper at mouth, backpack body back side two sides are respectively provided with a harness, and harness includes first band body and the second band body, and first band body upper end is fixed on backpack body upper end, first band body lower end is connect by adjustable connection buckle with the second band body upper end, second band body lower end is fixed on backpack body lower end, has graduation mark on the second band body, the backpack body back side is additionally provided with supplementary structure.The present invention has the advantages that practical.
Description
Technical field
The present invention relates to a kind of knapsack, especially a kind of knapsack of student.
Background technique
Back is wrapped up in the clothing of back when marching or is outgoing.Material diversification, corium, plastic material, terylene, canvas, Buddhist nun
Dragon, the quality luggage such as linen-cotton trend ahead of fashions.Meanwhile in the period of increasingly bragging about individual character, brief, pseudo-classic, cartoon etc. are each
Also never the ipsilateral personage that panders to the trend of the times makes widely known the demand of individual character to class style.
Through retrieving, as Chinese patent literature discloses a kind of knapsack [application number: 201620399113.8；Publication number: CN
205655137U].This knapsack, it is characterised in that include: the side of a Bao Benti, the packet ontology have a light transmission outer cover,
And one be set to accommodating space in the light transmission outer cover；One figure light-transmitting plate is set in the accommodating space and by the light transmission
The interior and outer of outer cover sequentially includes a figure mask with an at least figure transmission region, and one is set to outside the figure mask
The equal mating plate of side and one be set on the outside of the equal mating plate with one correspond to the figure transmission region shape printed pattern
Print pictures；And a planar light source mould group, it include a substrate being set in the accommodating space, one or more are set to
Luminous lamp strip on the substrate and one or more be set on the substrate to enable and keep one between the luminous lamp strip and the figure mask
Diffusion spacing is averagely scattered in the support portion on the print pictures with the sharp light source.
Although knapsack handling disclosed in the patent are convenient, the harness length in the knapsack can not be adjusted quickly, only
It can be used for single crowd, use to be single, and therefore, it is necessary for designing the knapsack of student a kind of.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, the knapsack of student a kind of is proposed, the back
Packet has the characteristics that practical.
Object of the invention can be realized by the following technical scheme: a kind of knapsack of student, including backpack body, feature
Be, the backpack body picks and places and is provided with zipper at mouth, and backpack body back side two sides are respectively provided with a harness, harness include first band body and
Second band body, first band body upper end are fixed on backpack body upper end, and first band body lower end passes through adjustable connection buckle and the second band body upper end
Connection, the second band body lower end are fixed on backpack body lower end, have graduation mark on the second band body, and the backpack body back side is additionally provided with auxiliary knot
Structure.
Using the above structure, by the way that harness is designed to first band body and the second band body, and there is scale on the second band body
Line can facilitate two harnesses being adjusted to required length, practical so as to the student for different age group.
The supplementary structure includes installation sheet, several female threads and several sub-buckles, and several female threads are fixed on the backpack body back side, several
Sub-buckle is fixed on installation sheet two sides up and down, and sub-buckle can be fastened in female thread；Installation sheet side is fixed with tapetum, and installation sheet is another
Side is fixed with summer sleeping mat layer.
Using the above structure, when summer or autumn, overturning installation sheet makes summer sleeping mat layer upward；When spring or winter
When, overturning installation sheet makes tapetum upward, more comfortable when so as to make student carry knapsack.
The material of the installation sheet is denim.
Described backpack body a front surface and a side surface is further fixed on several reflective strips.
Using the above structure, it can be reflected to light by reflective strip, passerby can be made preferably to find student.
The reflective strip is curved reflection item.
The zipper includes chain belt, the chain tooth being fixedly arranged on chain belt inside edge and the drawing for making chain tooth engagement, separation
Head is fixed with diaphragm seal on chain belt outer ledge, and diaphragm seal is located at the chain belt back side, has several arc-shaped bullets on diaphragm seal
Property piece, chain belt front also have several hooks for hanging support decoration, and pull head includes zipper seat, zipper seat include upper cover plate,
Lower cover plate and core branch, upper cover plate are connected by core branch with lower cover plate, and the lower part of lower cover plate has the guide part of protrusion, and guide part
It can be in contact with diaphragm seal, pull head further includes pulling-on piece, screw rod, bearing and clamping block, and the top of upper cover plate has the installation of protrusion
Portion, screw flight are connected on mounting portion, and bearing inner race is connected with screw rod lower end, and bearing outer ring is connected with clamping block, and are locked
Block is located in zipper seat, and pulling-on piece is arranged in screw rod upper end, and pulling-on piece is located at outside zipper seat.
Using the above structure, drive zipper seat mobile by pulling-on piece, zipper seat engages the chain tooth on chain band, two chain belts
On diaphragm seal elastic piece elastic force effect under, two diaphragm seals are abutted together, and can play preferable sealing performance, together
When, screw rod rotation is driven by pulling-on piece, screw rod moves down clamping block by bearing, and the chain tooth on clamping block and zipper offsets
By positioning zipper seat, avoidable zipper is surprisingly pulled open, practical so as to use in a variety of environment.
The material of the clamping block is nylon or polyurethane.
Using the above material, it can make clamping block that there is preferable wear-resisting property.
There are several cleats, the height of cleat is 0.8-1.2mm on the clamping block.
Using the above structure, the frictional force that can increase clamping block by cleat avoids occurring unexpected skid when locking.
On the zipper seat also have fluoresent coating, fluoresent coating with a thickness of 100-160 μm.
Using the above structure, zipper seat is enable to shine at night by fluoresent coating, convenient for being quickly found out slider of zipper fastener.
The branch core inner has shoe cream room, sponge column is provided at shoe cream room, and have lubricating oil, core branch in sponge column
Two sides are also provided with the mounting hole being connected with shoe cream room, and the extruding for the elasticity that can close mounting hole is fixed on core branch
Piece offers several oil outlets for lubricating oil output on extruding plate.
Using the above structure, during pull head carries out drawing to chain tooth, chain tooth is deformed extruding plate, extruding plate pair
Sponge column is squeezed, and is output to the lubricating oil in sponge column in chain tooth from oil outlet, and lubrication is convenient.
It is also provided with the oil filler point being connected with shoe cream room on the core branch, is provided with sealing-plug at oil filler point.
It using the above structure, can be to shoe cream room make-up oil by oil filler point.
The pulling-on piece includes the first sheet body, the second sheet body, the first gag lever post, the second gag lever post, connection ring, limited block and presses
Briquetting, connection ring pass through axial restraint and screw rod upper end, first sheet body one end and connection ring phase are arranged in by way of circumferentially rotating
Even, the first sheet body other end is hinged by first rotating shaft and second sheet body one end, and the second sheet body other end is operating side, screw rod
Upper end also has the wabbler of protrusion, and first offers the first pilot hole in vivo, and the first gag lever post is threaded through the first pilot hole
Interior, second offers the second pilot hole in vivo, and the second gag lever post is threaded through in the second pilot hole, be additionally provided on operation portion with
The sliding slot that second pilot hole is connected, briquetting are slidably arranged in sliding slot, and first gag lever post one end is connected with limited block, limit
The plum blossom trough to match with wabbler is offered on block, the first gag lever post other end passes through the second shaft and second gag lever post one end
It is hinged, the second gag lever post other end is connected by spring with briquetting.
When needing to rotate screw rod, the second sheet body is swung, so that the second sheet body is located along the same line with the first sheet body, downwards
Briquetting is pressed, briquetting makes spring-compressed, and the second gag lever post is moved at zipper seat, and the second gag lever post drives the first limit
Position bar is moved at zipper seat, and the plum blossom trough of limited block is made to be in contact with the wabbler on screw rod, meanwhile, the second gag lever post
One end is located in the first pilot hole of the first sheet body, prevents the second sheet body from relatively rotating with the first sheet body, passes through the second sheet body
The first sheet body is driven to rotate, the first sheet body drives connection ring rotation, and connection ring drives screw rod rotation, to can avoid clamping block quilt
It unlocks easily, it is highly-safe.
Also flexible sealing shroud between first sheet body and the second sheet body.
Using the above structure, effective protection can be carried out to first rotating shaft and the second shaft by sealing shroud, meanwhile, it can avoid
See its internal structure.
Compared with prior art, the knapsack of this student has the advantages that this:
By the way that harness is designed to first band body and the second band body in the present invention, and there is graduation mark on the second band body, it can
Facilitate and two harnesses are adjusted to required length, it is practical so as to the student for different age group.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention.
Fig. 2 is the cross-sectional view of zipper in the present invention.
Fig. 3 is the cross-sectional view of pull head in the present invention.
Fig. 4 is the cross-sectional view of pulling-on piece in the present invention.
Fig. 5 is the cross-sectional view of core branch in the present invention.
In figure, 1, zipper seat；1a, upper cover plate；1a1, mounting portion；1b, core branch；1b1, shoe cream room；1b2, oil filler point；1c,
Lower cover plate；2, clamping block；3, screw rod；3a, wabbler；4, chain tooth；5, pulling-on piece；5a, the first sheet body；5a1, the first pilot hole；5b,
Second sheet body；5b1, the second pilot hole；5b2, sliding slot；5c, the second shaft；5d, first rotating shaft；5e, the second gag lever post；5f, bullet
Spring；5g, briquetting；5h, connection ring；5i, limited block；5i1, plum blossom trough；5j, the first gag lever post；6, sponge column；7, sealing-plug；
8, extruding plate；8a, oil outlet；9, chain belt；11, diaphragm seal；12, elastic piece；13, it links up with；14, backpack body；15, reflective strip；16, it carries on the back
Band；16a, first band body；16b, adjustable connection buckle；16c, the second band body；16c1, graduation mark；17, female thread；18, summer sleeping mat layer；19,
Installation sheet；20, tapetum；21, sub-buckle.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As Figure 1-Figure 5, the knapsack of this student, including backpack body 14, backpack body 14 picks and places and is provided with zipper at mouth, at this
In embodiment, the connection type of the two in zipper is connected on backpack body 14 using the prior art；14 back side two sides of backpack body are each
Equipped with a harness 16, harness 16 includes the band body 16c of first band body 16a and second, and the upper end first band body 16a is fixed on backpack body 14
Upper end, the first band lower end body 16a is connect by adjustable connection buckle 16b with the second band upper end body 16c, in the present embodiment, adjustable
Connection buckle 16b is using existing product；The second band lower end body 16c is fixed on 14 lower end of backpack body, has on the second band body 16c and carves
Line 16c1 is spent, 14 back side of backpack body is additionally provided with supplementary structure.
Using the structure, by the way that harness 16 is designed to the band body 16c of first band body 16a and second, and on the second band body 16c
With graduation mark 16c1, it can facilitate and two harnesses 16 are adjusted to required length, so as to the student for different age group,
It is practical.
Supplementary structure includes installation sheet 19, several female threads 17 and several sub-buckles 21, and several female threads 17 are fixed on the back of backpack body 14
Face, in the present embodiment, the quantity of female thread 17 are eight；Several sub-buckles 21 are fixed on about 19 two sides of installation sheet, in this implementation
In example, the quantity of sub-buckle 21 is 16；And sub-buckle 21 can be fastened in female thread 17；19 side of installation sheet is fixed with tapetum
20,19 other side of installation sheet is fixed with summer sleeping mat layer 18.
Using the structure, when summer or autumn, overturning installation sheet 19 makes summer sleeping mat layer 18 upward；When spring or winter
When, overturning installation sheet 19 makes tapetum 20 upward, more comfortable when so as to make student carry knapsack.
The material of installation sheet 19 is denim.
14 a front surface and a side surface of backpack body is further fixed on several reflective strips 15, and in the present embodiment, the quantity of reflective strip 15 is three
It is a.
Using the structure, it can be reflected to light by reflective strip 15, passerby can be made preferably to find student.
Reflective strip 15 is curved reflection item.
Zipper includes chain belt 9, the chain tooth 4 being fixedly arranged on 9 inside edge of chain belt and the drawing for making the engagement of chain tooth 4, separation
Head is fixed with diaphragm seal 11 on 9 outer ledge of chain belt, and diaphragm seal 11 is located at 9 back side of chain belt, has on diaphragm seal 11 and several is in
The elastic piece 12 of arc, in this real number example, the quantity of the elastic piece 12 on every diaphragm seal 11 is ten；9 front of chain belt is also
With several hooks 13 for hanging support decoration, in this real number example, the quantity of the hook 13 in every chain belt 9 is six,
Pull head includes zipper seat 1, and zipper seat 1 includes upper cover plate 1a, lower cover plate 1c and core branch 1b, and upper cover plate 1a passes through core branch 1b and lower cover
Plate 1c is connected, and the lower part of lower cover plate 1c has the guide part of protrusion, and guide part can be in contact with diaphragm seal 11, and pull head further includes
Pulling-on piece 5, screw rod 3, bearing and clamping block 2, the top of upper cover plate 1a have the mounting portion 1a1 of protrusion, and screw rod 3 is threaded in peace
On dress portion 1a1, bearing inner race is connected with 3 lower end of screw rod, and in the present embodiment, bearing inner race is by way of tight fit and screw rod
3 lower ends are connected；Bearing outer ring is connected with clamping block 2, and in the present embodiment, bearing outer ring is by way of tight fit and clamping block
2 are connected；And clamping block 2 is located in zipper seat 1, pulling-on piece 5 is arranged in 3 upper end of screw rod, and pulling-on piece 5 is located at outside zipper seat 1.
Using the structure, drive zipper seat 1 mobile by pulling-on piece 5, zipper seat 1 engages the chain tooth 4 in chain belt 9, and two
Under the elastic force effect of elastic piece 12, two diaphragm seals 11 are abutted together diaphragm seal 11 in chain belt 9, can be played preferable close
Sealing property, meanwhile, drive screw rod 3 to rotate by pulling-on piece 5, screw rod 3 moves down clamping block 2 by bearing, clamping block 2 and drawing
Chain tooth on chain, which leans, positions zipper seat 1, can avoid zipper and is surprisingly pulled open, so as to use in a variety of environment.
The material of clamping block 2 is nylon or polyurethane, and in the present embodiment, the material of clamping block 2 is nylon.
Using the material, it can make clamping block 2 that there is preferable wear-resisting property.
There are several cleats, in the present embodiment, the quantity of cleat is six on clamping block 2；The height of cleat
For 0.8-1.2mm, in the present embodiment, the height of cleat is 0.9mm.
Using the structure, the frictional force of clamping block 2 can be increased by cleat, avoid occurring unexpected skid when locking.
Also there is fluoresent coating, in the present embodiment, fluoresent coating is existing using that can buy in the market on zipper seat 1
Coating is sprayed using the prior art；Fluoresent coating with a thickness of 100-160 μm, in the present embodiment, the thickness of fluoresent coating
Degree is 120 μm.
Using the structure, zipper seat 1 is set to shine at night by fluoresent coating, convenient for being quickly found out slider of zipper fastener.
There is shoe cream room 1b1 inside core branch 1b, sponge column 6 is provided at shoe cream room 1b1, and there is lubrication in sponge column 6
Oil, the two sides core branch 1b are also provided with the mounting hole being connected with shoe cream room 1b1, and mounting hole can be closed by being fixed on core branch 1b
Elasticity extruding plate 8, in the present embodiment, extruding plate 8 is using the existing product that can buy in the market；It is opened on extruding plate 8
Equipped with several oil outlet 8a for lubricating oil output, in the present embodiment, the quantity of oil outlet 8a is four.
Using the above structure, during pull head carries out drawing to chain tooth, chain tooth is deformed extruding plate 8, extruding plate 8
Sponge column 6 is squeezed, is output to the lubricating oil in sponge column 6 in chain tooth from oil outlet 8a, lubrication is convenient.
It is also provided with the oil filler point 1b2 being connected with shoe cream room 1b1 on core branch 1b, is provided with sealing-plug at oil filler point 1b2
7。
It, can be to shoe cream room 1b1 make-up oil by oil filler point 1b2 using the structure.
Pulling-on piece 5 includes the first sheet body 5a, the second sheet body 5b, the first gag lever post 5j, the second gag lever post 5e, connection ring 5h, limit
Position block 5i and briquetting 5g, connection ring 5h pass through axial restraint and 3 upper end of screw rod, the first sheet body are arranged in by way of circumferentially rotating
The one end 5a is connected with connection ring 5h, and the first sheet body 5a other end is hinged by first rotating shaft 5d and second one end sheet body 5b, the
The two sheet body 5b other ends are operating side, and 3 upper end of screw rod, which also has, to be offered first in the wabbler 3a, the first sheet body 5a of protrusion and lead
To hole 5a1, the first gag lever post 5j is threaded through in the first pilot hole 5a1, and the second pilot hole 5b1 is offered in the second sheet body 5b, the
Two gag lever post 5e are threaded through in the second pilot hole 5b1, and the sliding slot being connected with the second pilot hole 5b1 is additionally provided on operation portion
5b2, briquetting 5g are slidably arranged in sliding slot 5b2, and first one end gag lever post 5j is connected with limited block 5i, are opened up on limited block 5i
There is the plum blossom trough 5i1 to match with wabbler 3a, the first gag lever post 5j other end passes through the second shaft 5c and the second gag lever post 5e
One end is hinged, and the second gag lever post 5e other end is connected by spring 5f with briquetting 5g.
When needing to rotate screw rod 3, the second sheet body 5b is swung, the second sheet body 5b and the first sheet body 5a is made to be located at same straight line
On, briquetting 5g is pressed down on, briquetting 5g compresses spring 5f, and the second gag lever post 5e is moved at zipper seat 1, and second
Gag lever post 5e drives the first gag lever post 5j to the movement at zipper seat 1, makes on the plum blossom trough 5i1 and screw rod 3 of limited block 5i
Wabbler 3a is in contact, meanwhile, second one end gag lever post 5e is located in the first pilot hole 5a1 of the first sheet body 5a, makes second
Body 5b cannot be relatively rotated with the first sheet body 5a, drive the first sheet body 5a rotation by the second sheet body 5b, the first sheet body 5a drives
Connection ring 5h rotation, connection ring 5h drive screw rod 3 to rotate, and are unlocked easily to can avoid clamping block 2, highly-safe.
Also flexible sealing shroud between first sheet body 5a and the second sheet body 5b, in the present embodiment, sealing shroud use
The existing product that can be bought in the market.
Using the structure, effective protection can be carried out to first rotating shaft 5d and the second shaft 5c by sealing shroud, meanwhile, it can keep away
Exempt to see the structure that it is internal.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although 1, zipper seat is used more herein；1a, upper cover plate；1a1, mounting portion；1b, core branch；1b1, shoe cream room；
1b2, oil filler point；1c, lower cover plate；2, clamping block；3, screw rod；3a, wabbler；4, chain tooth；5, pulling-on piece；5a, the first sheet body；5a1,
First pilot hole；5b, the second sheet body；5b1, the second pilot hole；5b2, sliding slot；5c, the second shaft；5d, first rotating shaft；5e,
Two gag lever posts；5f, spring；5g, briquetting；5h, connection ring；5i, limited block；5i1, plum blossom trough；5j, the first gag lever post；6, extra large
Continuous column；7, sealing-plug；8, extruding plate；8a, oil outlet；9, chain belt；11, diaphragm seal；12, elastic piece；13, it links up with；14, backpack body；
15, reflective strip；16, harness；16a, first band body；16b, adjustable connection buckle；16c, the second band body；16c1, graduation mark；17, female
Button；18, summer sleeping mat layer；19, installation sheet；20, tapetum；21, the terms such as sub-buckle, but the possibility using other terms is not precluded
Property.The use of these items is only for be more convenient to describe and explain essence of the invention；It is construed as any one
Additional limitation is disagreed with spirit of that invention.
Claims (8)
1. a kind of knapsack of student, including backpack body, which is characterized in that the backpack body picks and places and is provided with zipper at mouth, backpack body back
Face two sides are respectively provided with a harness, and harness includes first band body and the second band body, and first band body upper end is fixed on backpack body upper end, the
One band body lower end is connect by adjustable connection buckle with the second band body upper end, and the second band body lower end is fixed on backpack body lower end, the second band
There is graduation mark, the backpack body back side is additionally provided with supplementary structure on body；The zipper includes chain belt, is fixedly arranged on chain belt inside edge
Chain tooth and pull head for making chain tooth engagement, separation, be fixed with diaphragm seal on chain belt outer ledge, and diaphragm seal is located at chain belt
The back side has several arc-shaped elastic pieces on diaphragm seal, and chain belt front also has several hooks for hanging support decoration, drawing
Head includes zipper seat, and zipper seat includes upper cover plate, lower cover plate and core branch, and upper cover plate is connected by core branch with lower cover plate, lower cover plate
Lower part there is the guide part of protrusion, and guide part can be in contact with diaphragm seal, and pull head further includes pulling-on piece, screw rod, bearing and lock
Determine block, the top of upper cover plate has the mounting portion of protrusion, and screw flight is connected on mounting portion, bearing inner race and screw rod lower end phase
Even, bearing outer ring is connected with clamping block, and clamping block is located in zipper seat, and pulling-on piece setting is in screw rod upper end, and pulling-on piece is located at drawing
Outside chain seat；The pulling-on piece includes the first sheet body, the second sheet body, the first gag lever post, the second gag lever post, connection ring, limited block and presses
Briquetting, connection ring pass through axial restraint and screw rod upper end, first sheet body one end and connection ring phase are arranged in by way of circumferentially rotating
Even, the first sheet body other end is hinged by first rotating shaft and second sheet body one end, and the second sheet body other end is operating side, screw rod
Upper end also has the wabbler of protrusion, and first offers the first pilot hole in vivo, and the first gag lever post is threaded through the first pilot hole
Interior, second offers the second pilot hole in vivo, and the second gag lever post is threaded through in the second pilot hole, be additionally provided on operation portion with
The sliding slot that second pilot hole is connected, briquetting are slidably arranged in sliding slot, and first gag lever post one end is connected with limited block, limit
The plum blossom trough to match with wabbler is offered on block, the first gag lever post other end passes through the second shaft and second gag lever post one end
It is hinged, the second gag lever post other end is connected by spring with briquetting.
2. the knapsack of student according to claim 1, which is characterized in that the supplementary structure includes installation sheet, several
Female thread and several sub-buckles, several female threads are fixed on the backpack body back side, and several sub-buckles are fixed on installation sheet two sides up and down, and sub-buckle can detain
It closes in female thread；Installation sheet side is fixed with tapetum, and the installation sheet other side is fixed with summer sleeping mat layer.
3. the knapsack of student according to claim 2, which is characterized in that the material of the installation sheet is denim.
4. the knapsack of student according to claim 1, which is characterized in that if described backpack body a front surface and a side surface is further fixed on
Dry reflective strip.
5. the knapsack of student according to claim 4, which is characterized in that the reflective strip is curved reflection item.
6. the knapsack of student according to claim 1, which is characterized in that the material of the clamping block is nylon or poly- ammonia
Ester.
7. the knapsack of student according to claim 1, which is characterized in that there are several cleats on the clamping block,
The height of cleat is 0.8-1.2mm.
8. the knapsack of student according to claim 1, which is characterized in that also there is fluoresent coating on the zipper seat,
Fluoresent coating with a thickness of 100-160 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711091002.6A CN107802088B (en) | 2017-11-08 | 2017-11-08 | A kind of knapsack of student |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711091002.6A CN107802088B (en) | 2017-11-08 | 2017-11-08 | A kind of knapsack of student |
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| Publication Number | Publication Date |
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| CN107802088A CN107802088A (en) | 2018-03-16 |
| CN107802088B true CN107802088B (en) | 2019-06-21 |
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| CN201711091002.6A Expired - Fee Related CN107802088B (en) | 2017-11-08 | 2017-11-08 | A kind of knapsack of student |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1191703A (en) * | 1997-02-28 | 1998-09-02 | Ykk株式会社 | Slider for concealed slide fastener |
| CN201557648U (en) * | 2009-12-14 | 2010-08-25 | 陈魏凯 | Sealing zipper |
| CN202919350U (en) * | 2012-10-28 | 2013-05-08 | 胡天超 | Backpack belts with scales |
| CN203709492U (en) * | 2014-01-21 | 2014-07-16 | 深圳市乐泡创新科技有限公司 | Knapsack capable of being carried on one shoulder or both shoulders |
| CN205197580U (en) * | 2015-11-27 | 2016-05-04 | 海宁佳联沙发有限公司 | Wash chenille slip cover entirely |
| CN205831350U (en) * | 2016-07-25 | 2016-12-28 | 王庆颖 | Multifunctional backpack |
-
2017
- 2017-11-08 CN CN201711091002.6A patent/CN107802088B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1191703A (en) * | 1997-02-28 | 1998-09-02 | Ykk株式会社 | Slider for concealed slide fastener |
| CN201557648U (en) * | 2009-12-14 | 2010-08-25 | 陈魏凯 | Sealing zipper |
| CN202919350U (en) * | 2012-10-28 | 2013-05-08 | 胡天超 | Backpack belts with scales |
| CN203709492U (en) * | 2014-01-21 | 2014-07-16 | 深圳市乐泡创新科技有限公司 | Knapsack capable of being carried on one shoulder or both shoulders |
| CN205197580U (en) * | 2015-11-27 | 2016-05-04 | 海宁佳联沙发有限公司 | Wash chenille slip cover entirely |
| CN205831350U (en) * | 2016-07-25 | 2016-12-28 | 王庆颖 | Multifunctional backpack |
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| Publication number | Publication date |
|---|---|
| CN107802088A (en) | 2018-03-16 |
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Effective date of registration: 20190521 Address after: 215228 North Ridge of Wuqiao, Shengze Town, Wujiang District, Suzhou City, Jiangsu Province (Lotus Village) Applicant after: SUZHOU BAIZHENG TEXTILE Co.,Ltd. Address before: 314400 Taoyuan Road, Beishi Street, Haining City, Jiaxing City, Zhejiang Province, 27 Applicant before: HAINING YIJIAREN KNITTING CO.,LTD. |
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