CN209547353U - A kind of knapsack with automatic telescopic waistband - Google Patents
A kind of knapsack with automatic telescopic waistband Download PDFInfo
- Publication number
- CN209547353U CN209547353U CN201920142035.7U CN201920142035U CN209547353U CN 209547353 U CN209547353 U CN 209547353U CN 201920142035 U CN201920142035 U CN 201920142035U CN 209547353 U CN209547353 U CN 209547353U
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- CN
- China
- Prior art keywords
- fixedly connected
- waistband
- turntable
- kelly
- knapsack
- 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.)
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Abstract
The utility model discloses a kind of knapsacks with automatic telescopic waistband, including knapsack body, notch, waistband and contracting mechanism, the interior lower end of the knapsack body is sewed with hard plastic board, the contracting mechanism is fixedly connected on hard plastic board inside the knapsack body, the lower end of the knapsack body is provided with the notch, one end of the waistband is sewn to the side of the knapsack body, and the other end of the waistband passes through the notch and winds on the contracting mechanism.
Description
Technical field
Utility model is related to a kind of knapsack, specially a kind of knapsack with automatic telescopic waistband.
Background technique
Waistband in traditional backpacks when not in use can be sagging, very extra.Waistband in traditional backpacks cannot be according to people
Figure be adjusted in very big range.Waistband is not used when sometimes because of knapsack, knapsack is easy in strenuous exercise
Injure other people by a crashing object.
Utility model content
Utility model is designed to provide a kind of knapsack with automatic telescopic waistband, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, utility model provides the following technical solutions: a kind of knapsack with automatic telescopic waistband, packet
Knapsack body, notch, waistband and contracting mechanism are included, the interior lower end of the knapsack body is sewed with hard plastic board, the knapsack body
It is fixedly connected with the contracting mechanism on internal hard plastic board, the lower end of the knapsack body is provided with the notch, described
One end of waistband is sewn to the side of the knapsack body, and the other end of the waistband passes through the notch and winds in the receipts
In contracting mechanism.
Preferably, the contracting mechanism includes coiler and pedestal, and the upper end of the pedestal, institute is arranged in the coiler
It states on the hard plastic board that pedestal is fixedly connected on inside the knapsack body by rivet, the waistband winding is in the coiler
On.
Preferably, the pedestal includes base plate, link block, annulus, curved baffle and connecting column, the annulus lower end
Left and right ends are fixedly connected to the link block, and two link blocks are fixedly connected on the base plate, the pedestal
Plate is fixedly connected on the hard plastic board inside the knapsack body by rivet, and the lower end of the curved baffle is fixedly connected with
The connecting column, the connecting column are fixedly connected on the base plate.
Preferably, the coiler include turntable, it is articulated shaft, spring base, spring, side bumper pin, kelly, interior backing pin, hollow
Cylinder, stop collar and torsional spring, the lower end of the turntable are fixedly connected with the hollow cylinder, and the lower end of the hollow cylinder is rotatably connected on
On the annulus, the lower end of the hollow cylinder is fixedly connected there are two the stop collar, two stop collars respectively with it is described
The upper and lower end face of annulus is bonded, and is provided with the torsional spring in the hollow cylinder, and the upper end of the torsional spring is fixed on the turntable,
The lower end of the torsional spring is fixed on the base plate, and the kelly is hinged on the turntable by the articulated shaft, described
The edge of turntable is fixedly connected with the side bumper pin, is fixedly connected with the interior backing pin on the turntable, the side bumper pin and
The interior backing pin is located at the rear and front end of the kelly, and the waistband is wrapped on the hollow cylinder, solid on the turntable
Surely it is connected with the spring base, the spring is fixedly connected on the spring base, the other end of the spring withstands on the card
One end of bar.
Preferably, when the kelly and the interior backing pin contact, the kelly is fully located at the upper end of the turntable;It is described
When kelly and the side bumper pin contacts, the turntable is stretched out in the kelly part, at this moment the kelly when the turntable rotates
It may be stuck on the curved baffle.
Compared with prior art, the beneficial effect of utility model is: waistband can wind from notch receiving when not in use
In contracting mechanism, when use, pulls out waistband, since waistband winding is on contracting mechanism, so the length of waistband can big model
Variation is enclosed, the people for adapting to different building shape uses.Spring usually gives elastic force to one end of kelly, and usually kelly is fully located at turntable
Upper end;Hollow cylinder can rotate on annulus, and the effect of two stop collars is that hollow cylinder is prevented to be detached from annulus, the effect of torsional spring
It is to give hollow cylinder torsion, winds waistband on hollow cylinder, needs to pull out waistband using when waistband;Usually block
Bar is fully located at the upper end of turntable, and at this moment waistband can be pulled out normally, when people strenuous exercise causes waistband quickly to pull out, kelly
It partially produces due to the effect of centrifugal force, at this moment kelly partially stretches out turntable, when turntable continues to rotate, stretch out turntable and be stuck in arc
On baffle, at this moment waistband, that is, lockable, waistband can not continue to pull out, so that waistband is tightly tied up to the waist of human body, prevent under school bag
End, which is lifted, pounds other people.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of contracting mechanism;
Fig. 2 is the structural schematic diagram two of contracting mechanism;
Fig. 3 is a kind of structural schematic diagram of the knapsack with automatic telescopic waistband of the utility model;
Fig. 4 is the structural schematic diagram one of coiler;
Fig. 5 is the structural schematic diagram two of coiler;
Fig. 6 is the structural schematic diagram one of pedestal;
Fig. 7 is the structural schematic diagram two of pedestal.
In figure: knapsack body 1;Notch 2;Waistband 3;Contracting mechanism 4;Coiler 4-1;Turntable 4-1-1;Articulated shaft 4-1-2;Bullet
Spring abutment 4-1-3;Spring 4-1-4;Side bumper pin 4-1-5;Kelly 4-1-6;Interior backing pin 4-1-7;Hollow cylinder 4-1-8;Stop collar 4-1-
9;Torsional spring 4-1-10;Pedestal 4-2;Base plate 4-2-1;Link block 4-2-2;Annulus 4-2-3;Curved baffle 4-2-4;Connecting column 4-
2-5。
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-7 is please referred to, utility model provides a kind of technical solution: a kind of knapsack with automatic telescopic waistband, including
Knapsack body 1, notch 2, waistband 3 and contracting mechanism 4, the interior lower end of the knapsack body 1 are sewed with hard plastic board, the knapsack
The contracting mechanism 4 is fixedly connected on hard plastic board inside body 1, the lower end of the knapsack body 1 is provided with the notch
2, one end of the waistband 3 is sewn to the side of the knapsack body 1, and the other end of the waistband 3 passes through the notch 2 and receives
Volume is on the contracting mechanism 4.
The contracting mechanism 4 includes that coiler 4-1 and pedestal 4-2, the coiler 4-1 are arranged in the pedestal 4-2's
Upper end, the pedestal 4-2 are fixedly connected on the hard plastic board inside the knapsack body 1 by rivet, and the waistband 3 is wound
On the coiler 4-1.
The pedestal 4-2 includes base plate 4-2-1, link block 4-2-2, annulus 4-2-3, curved baffle 4-2-4 and connection
The left and right ends of the lower end column 4-2-5, the annulus 4-2-3 are fixedly connected to the link block 4-2- 2, two connections
Block 4-2-2 is fixedly connected on the base plate 4-2-1, and the base plate 4-2-1 is fixedly connected on the knapsack by rivet
On hard plastic board inside body 1, the lower end of the curved baffle 4-2-4 is fixedly connected with the connecting column 4-2-5, described
Connecting column 4-2-5 is fixedly connected on the base plate 4-2-1.
The coiler 4-1 includes turntable 4-1-1, articulated shaft 4-1-2, spring base 4-1-3, spring 4-1-4, side bumper pin 4-
1-5, kelly 4-1-6, interior backing pin 4-1-7, hollow cylinder 4-1-8, stop collar 4-1-9 and torsional spring 4-1- 10, the turntable 4-1-1
Lower end be fixedly connected with the hollow cylinder 4-1-8, the lower end of the hollow cylinder 4-1-8 is rotatably connected on the annulus 4-2-3
On, the lower end of the hollow cylinder 4-1-8 is fixedly connected there are two the stop collar 4-1-9, two stop collar 4-1-9 difference
It is bonded with the upper and lower end face of the annulus 4-2-3, the torsional spring 4-1-10, the torsional spring is provided in the hollow cylinder 4-1-8
The upper end of 4-1-10 is fixed on the turntable 4-1-1, and the lower end of the torsional spring 4-1-10 is fixed on the base plate 4-2-1
On, the kelly 4-1-6 is hinged on the turntable 4-1-1 by the articulated shaft 4-1-2, the edge of the turntable 4-1-1
Place is fixedly connected with the side bumper pin 4-1-5, and the interior backing pin 4-1-7, the side bumper are fixedly connected on the turntable 4-1-1
The pin 4-1-5 and interior backing pin 4-1-7 is located at the rear and front end of the kelly 4-1-6, and the waistband 3 is wrapped in the sky
On heart cylinder 4-1-8, the spring base 4-1-3, fixed company on the spring base 4-1-3 are fixedly connected on the turntable 4-1-1
It is connected to the spring 4-1-4, the other end of the spring 4-1-4 withstands on one end of the kelly 4-1-6.
When the kelly 4-1-6 and the interior backing pin 4-1-7 are contacted, the kelly 4-1-6 is fully located at the turntable 4-
The upper end of 1-1;When the kelly 4-1-6 and the side bumper pin 4-1-5 are contacted, the turntable is stretched out in the part kelly 4-1-6
4-1-1, at this moment when the turntable 4-1-1 is rotated, the kelly 4-1-6 be may be stuck on the curved baffle 4-2-4.
Working principle: waistband 3 can be wound on contracting mechanism 4 when not in use from notch 2, and when use draws waistband 3
Out, since the winding of waistband 3 is on contracting mechanism 4, so the length of waistband 3 can adapt to different building shape with wide variation
People use.Elastic force is given to one end of kelly 4-1-6 when spring 4-1-4 is flat, usually kelly 4-1-6 is fully located at turntable 4-1-
1 upper end;Hollow cylinder 4-1-8 can be rotated on annulus 4-2-3, and the effect of two stop collar 4-1-9 is to prevent hollow cylinder 4-
1-8 is detached from annulus 4-2-3, and the effect of torsional spring 4-1-10 is to give hollow cylinder 4-1-8 torsion, winds waistband 3 hollow
On cylinder 4-1-8, need to pull out waistband using when waistband 3;Usually kelly 4-1-6 is fully located at the upper of turntable 4-1-1
End, at this moment waistband 3 can be pulled out normally, and when people strenuous exercise causes waistband 3 quickly to pull out, kelly 4-1-6 is due to centrifugal force
Effect partial produce, kelly 4-1-6 at this moment partially stretch out turntable 4-1-1, when turntable 4-1-1 is continued to rotate, stretch out turntable 4-
1-1 is stuck on curved baffle 4-2-4, and at this moment waistband 3 is lockable, and waistband 3 can not continue to pull out, and waistband is made tightly to tie up to human body
Waist, prevent school bag lower end from lifting and pound other people.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (5)
1. a kind of knapsack with automatic telescopic waistband, including knapsack body (1), notch (2), waistband (3) and contracting mechanism (4),
It is characterized by: the interior lower end of the knapsack body (1) is sewed with hard plastic board, the internal hard modeling of the knapsack body (1)
It is fixedly connected on flitch the contracting mechanism (4), the lower end of the knapsack body (1) is provided with the notch (2), the waistband
(3) one end is sewn to the side of the knapsack body (1), and the other end of the waistband (3) passes through the notch (2) and winds
On the contracting mechanism (4).
2. a kind of knapsack with automatic telescopic waistband according to claim 1, it is characterised in that: the contracting mechanism
It (4) include coiler (4-1) and pedestal (4-2), the coiler (4-1) is arranged at the upper end of the pedestal (4-2), the bottom
Seat (4-2) is fixedly connected on the internal hard plastic board of the knapsack body (1) by rivet, and waistband (3) winding is in institute
It states on coiler (4-1).
3. a kind of knapsack with automatic telescopic waistband according to claim 2, it is characterised in that: the pedestal (4-2)
Including base plate (4-2-1), link block (4-2-2), annulus (4-2-3), curved baffle (4-2-4) and connecting column (4-2-5), institute
The left and right ends for stating the lower end annulus (4-2-3) are fixedly connected to the link block (4-2-2), two link block (4-2-
2) it is fixedly connected on the base plate (4-2-1), the base plate (4-2-1) is fixedly connected on the knapsack body by rivet
(1) on internal hard plastic board, the lower end of the curved baffle (4-2-4) is fixedly connected with the connecting column (4-2-5), institute
Connecting column (4-2-5) is stated to be fixedly connected on the base plate (4-2-1).
4. a kind of knapsack with automatic telescopic waistband according to claim 3, it is characterised in that: the coiler (4-
It 1) include turntable (4-1-1), articulated shaft (4-1-2), spring base (4-1-3), spring (4-1-4), side bumper pin (4-1-5), kelly
(4-1-6), interior backing pin (4-1-7), hollow cylinder (4-1-8), stop collar (4-1-9) and torsional spring (4-1-10), the turntable (4-1-
1) lower end is fixedly connected with the hollow cylinder (4-1-8), and the lower end of the hollow cylinder (4-1-8) is rotatably connected on the annulus
On (4-2-3), the lower end of the hollow cylinder (4-1-8) is fixedly connected with two limits there are two the stop collar (4-1-9)
Ring (4-1-9) is bonded with the upper and lower end face of the annulus (4-2-3) respectively, is provided with the torsion in the hollow cylinder (4-1-8)
The upper end of spring (4-1-10), the torsional spring (4-1-10) is fixed on the turntable (4-1-1), the torsional spring (4-1-10)
Lower end is fixed on the base plate (4-2-1), and the kelly (4-1-6) is hinged on described by the articulated shaft (4-1-2)
On turntable (4-1-1), the edge of the turntable (4-1-1) is fixedly connected with the side bumper pin (4-1-5), the turntable (4-
The interior backing pin (4-1-7), the side bumper pin (4-1-5) and the interior backing pin (4-1-7) difference position are fixedly connected on 1-1)
In the rear and front end of the kelly (4-1-6), the waistband (3) is wrapped on the hollow cylinder (4-1-8), the turntable (4-
It is fixedly connected on 1-1) spring base (4-1-3), is fixedly connected with the spring (4-1- on the spring base (4-1-3)
4), the other end of the spring (4-1-4) withstands on one end of the kelly (4-1-6).
5. a kind of knapsack with automatic telescopic waistband according to claim 4, it is characterised in that: the kelly (4-1-
6) when contacting with the interior backing pin (4-1-7), the kelly (4-1-6) is fully located at the upper end of the turntable (4-1-1);It is described
When kelly (4-1-6) and the side bumper pin (4-1-5) contact, the kelly (4-1-6) partially stretches out the turntable (4-1-1),
At this moment when the turntable (4-1-1) is rotated, the kelly (4-1-6) be may be stuck on the curved baffle (4-2-4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920142035.7U CN209547353U (en) | 2019-01-28 | 2019-01-28 | A kind of knapsack with automatic telescopic waistband |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920142035.7U CN209547353U (en) | 2019-01-28 | 2019-01-28 | A kind of knapsack with automatic telescopic waistband |
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CN209547353U true CN209547353U (en) | 2019-10-29 |
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CN201920142035.7U Expired - Fee Related CN209547353U (en) | 2019-01-28 | 2019-01-28 | A kind of knapsack with automatic telescopic waistband |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111650828A (en) * | 2020-05-27 | 2020-09-11 | 维沃移动通信有限公司 | Electronic device |
-
2019
- 2019-01-28 CN CN201920142035.7U patent/CN209547353U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111650828A (en) * | 2020-05-27 | 2020-09-11 | 维沃移动通信有限公司 | Electronic device |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 Termination date: 20210128 |