CN207885894U - A kind of portable student pull rod school bag - Google Patents
A kind of portable student pull rod school bag Download PDFInfo
- Publication number
- CN207885894U CN207885894U CN201820205770.3U CN201820205770U CN207885894U CN 207885894 U CN207885894 U CN 207885894U CN 201820205770 U CN201820205770 U CN 201820205770U CN 207885894 U CN207885894 U CN 207885894U
- Authority
- CN
- China
- Prior art keywords
- pedestal
- lead screw
- pull rod
- far
- school bag
- 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
Landscapes
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The utility model discloses a kind of portable student pull rod school bags, including pedestal, pedestal is hollow structure, the four corners of pedestal lower end, which have, equidistant is connected with universal wheel, the left end of pedestal is connected with stretch rod, lead screw is rotatably connected to by bearing between the opposite madial wall of the two of pedestal, and the one end of lead screw far from stretch rod runs through the side wall of pedestal and extends outwardly, the opposite screw thread of hand of spiral is arranged on lead screw, the feed screw nut to match with lead screw is arranged on lead screw, the upper end of feed screw nut is connected with gag lever post, the upper end center position of pedestal is connected with fixed seat, the upper end of fixed seat offers fixing groove, the slot bottom of fixing groove is connected with spring, the top of fixed seat is equipped with backpack body.The utility model is simple in structure, easy to operate, can as needed use pull rod school bag Combinatorial resolution, school bag is removed to exclusive use from pull rod in the rainy day, prevents from being spattered with water by the rainwater on ground when pulling.
Description
Technical field
The utility model is related to pull rod school bag technical field more particularly to a kind of portable student pull rod school bags.
Background technology
Now due to the increasingly fierceness of social competition, the study requirement of pupil is also continuously improved, the book in school bag
Also increasingly heavier, the problems such as overloaded school bag generates prodigious external force, be susceptible to scoliosis to the vertebra of child, for child
The health of son, many parents are that child has purchased pull rod school bag, and school bag heavy has been well solved with the method walked in tow
The problems such as being unable to bear it on the back.But the school bag part of existing pull rod school bag and pull rod part are the integral structures being fixedly connected, structure,
It has a single function, exclusive use cannot be split, school bag is drawn at rainy day, school bag is easy to get wet and make moist, very inconvenient.
Utility model content
It is solid purpose of the utility model is to solve the school bag part of pull rod school bag in the prior art and pull rod part
Surely the integral structure connected, structure have a single function, and cannot split exclusive use, and school bag is drawn at rainy day, and school bag is easy
The problem of getting wet and make moist, being inconvenient, and a kind of portable student pull rod school bag proposed.
To achieve the goals above, the utility model uses following technical solution：
A kind of portable student pull rod school bag, including pedestal, the pedestal are hollow structure, the quadrangle of the pedestal lower end
There is an equidistant universal wheel that is connected at place, and the left end of the pedestal is connected with stretch rod, two opposite madial walls of the pedestal it
Between lead screw is rotatably connected to by bearing, and the one end of lead screw far from stretch rod through pedestal side wall and extend outwardly, it is described
It is arranged with the opposite screw thread of hand of spiral on lead screw, the feed screw nut to match with lead screw, institute are arranged on the lead screw
The upper end for stating feed screw nut is connected with gag lever post, and the upper end center position of the pedestal is connected with fixed seat, the fixed seat
Upper end offers fixing groove, and the slot bottom of the fixing groove is connected with spring, and the top of the fixed seat is equipped with backpack body, the backpack body
The center of lower end is connected with fixed block, and the one end of the fixed block far from backpack body is plugged in fixing groove, and fixed block is remote
One end from backpack body offsets with the one end of spring far from fixing groove slot bottom, on side wall of the fixed block far from one end position of backpack body
Be symmetrically connected with limited block, the fixing groove symmetrically offers limit hole on the cell wall of notch position, the pedestal it is upper
End symmetrically offers limiting slot about fixed seat, and the limiting slot is arranged through the upper end of pedestal, and the gag lever post is far from lead screw
One end of nut sequentially passes through limiting slot and limit hole and extends into fixing groove, is located at the lower end of gag lever post in the fixing groove
It offsets with the one end of limited block far from spring.
Preferably, the lower surface in the pedestal offers sliding slot, and the lower end of the feed screw nut is connected with and sliding slot phase
Matched sliding block, the sliding block are slidably connected in sliding slot.
Preferably, the one end of the lead screw far from stretch rod is connected with turntable, and the other end of the turntable is connected with rotating cylinder,
And the axis of turntable and rotating cylinder is not on the same line.
Preferably, the lower end of the backpack body is symmetrically connected with damper, and the other end of damper and bottom about fixed block
The upper end of seat offsets.
Preferably, the side of the backpack body is arranged with shoulder strap.
Compared with prior art, the utility model provides a kind of portable student pull rod school bag, has following beneficial to effect
Fruit：
Portable student's pull rod school bag, by be arranged lead screw, feed screw nut, gag lever post, fixed seat, fixing groove, spring,
Backpack body, fixed block, limited block, limit hole and limiting slot are fixed backpack body and pedestal by the fixed block being plugged in fixing groove
Together, rotary screw rod passes through the opposite screw thread in direction on lead screw so that two feed screw nuts drive corresponding gag lever post to do phase
To movement, two gag lever posts are inserted into limit hole and resist limited block, and the fixed block in fixing groove is fixed, prevents fixed block from popping up
Fixing groove；When needing to detach backpack body and pedestal, lead screw is rotated backward so that two feed screw nuts drive corresponding gag lever post
Do back movement, gag lever post and limited block by fixed block from fixing groove mutually from popping up, backpack body and pedestal are detached.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model
It is simple in structure, it is easy to operate, pull rod school bag Combinatorial resolution can be used as needed, remove from pull rod school bag in the rainy day
It is used alone, prevents from being spattered with water by the rainwater on ground when pulling.
Description of the drawings
Fig. 1 be the utility model proposes a kind of portable student pull rod school bag structural schematic diagram；
Fig. 2 be the utility model proposes a kind of portable student pull rod school bag part A enlarged drawing.
In figure：1 pedestal, 2 universal wheels, 3 pull rods, 4 lead screws, 5 feed screw nuts, 6 gag lever posts, 7 fixed seats, 8 fixing grooves, 9 bullets
Spring, 10 backpack bodies, 11 fixed blocks, 12 limited blocks, 13 limit holes, 14 limiting slots, 15 sliding slots, 16 sliding blocks, 17 turntables, 18 rotating cylinders, 19
Damper.
Specific implementation mode
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.
In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-2, a kind of portable student pull rod school bag, including pedestal 1, pedestal 1 are hollow structure, 1 lower end of pedestal
Four corners have it is equidistant be connected with universal wheel 2, the left end of pedestal 1 is connected with stretch rod 3, two opposite madial walls of pedestal 1
Between lead screw 4 is rotatably connected to by bearing, and the one end of lead screw 4 far from stretch rod 3 through pedestal 1 side wall and to extension
It stretches, the opposite screw thread of hand of spiral is arranged on lead screw 4, the feed screw nut 5 to match with lead screw is arranged on lead screw 4,
The upper end of feed screw nut 5 is connected with gag lever post 6, and the upper end center position of pedestal 1 is connected with fixed seat 7, and the upper end of fixed seat 7 is opened
Equipped with fixing groove 8, the slot bottom of fixing groove 8 is connected with spring 9, and the top of fixed seat 7 is equipped with backpack body 10, in 10 lower end of backpack body
Heart position is connected with fixed block 11, and the one end of fixed block 11 far from backpack body 10 is plugged in fixing groove 8, and fixed block 11 is far from packet
One end of body 10 offsets with the one end of spring 9 far from 8 slot bottom of fixing groove, on side wall of the fixed block 11 far from 10 1 end position of backpack body
It is symmetrically connected with limited block 12, fixing groove 8 symmetrically offers limit hole 13, the upper end of pedestal 1 on the cell wall of notch position
Limiting slot 14 is symmetrically offered about fixed seat 7, limiting slot 14 is arranged through the upper end of pedestal 1, and gag lever post 6 is far from feed screw nut
5 one end sequentially passes through limiting slot 14 and limit hole 13 and extends into fixing groove 8, is located in fixing groove 8 under gag lever post 6
End offsets with the one end of limited block 12 far from spring 9, by the fixed block 11 that is plugged in fixing groove 8 by backpack body 10 and pedestal 1
It is fixed together, rotary screw rod 4 passes through the opposite screw thread in direction on lead screw 4 so that two feed screw nuts 5 drive corresponding limit
Position bar 6 moves toward one another, and two gag lever posts 6 are inserted into limit hole 13 and resist limited block 12, and the fixed block 11 in fixing groove 8 is fixed
Firmly, prevent fixed block 11 from popping up fixing groove 8；When needing to detach backpack body 10 and pedestal 1, lead screw 4 is rotated backward so that two
A feed screw nut 5 drives corresponding gag lever post 6 to do back movement, and gag lever post 6 is with 12 phase of limited block from by fixed block 11 from admittedly
Determine to pop up in slot 8, backpack body 10 and pedestal 1 are detached.
Lower surface in pedestal 1 offers sliding slot 15, and the lower end of feed screw nut 5 is connected with the cunning to match with sliding slot 15
Block 16, sliding block 16 are slidably connected in sliding slot 15, prevent feed screw nut 5 from following the rotation of lead screw 4 and rotating, to feed screw nut 5
Play certain support and position-limiting action.
The one end of lead screw 4 far from stretch rod 3 is connected with turntable 17, and the other end of turntable 17 is connected with rotating cylinder 18, and rotation turns
Dynamic 18 drive turntables 17 to rotate, and then lead screw 4 is driven to rotate, and the axis of turntable 17 and rotating cylinder 18 is not on the same line, can
With more effortless rotation rotating cylinder 18.
The lower end of backpack body 10 is symmetrically connected with damper 19, and the other end of damper 19 and pedestal 1 about fixed block 11
Upper end offset, when backpack body 10 is given a shock in dragging process, shaking force is reduced to backpack body 10 by spring 9 and damper 19
Harmful effect caused by interior books.
The side of backpack body 10 is arranged with shoulder strap, and when by backpack body 10 and the fractionation of pedestal 1, packet is easily carried by shoulder strap
Body.
In the utility model, backpack body 10 and pedestal 1 are fixed together by the fixed block 11 being plugged in fixing groove 8,
Rotary screw rod 4 passes through the opposite screw thread in direction on lead screw 4 so that two feed screw nuts 5 drive corresponding gag lever post 6 to do in opposite directions
Movement, two gag lever posts 6 are inserted into limit hole 13 and resist limited block 12, the fixed block 11 in fixing groove 8 is fixed, prevents from fixing
Block 11 pops up fixing groove 8；When needing to detach backpack body 10 and pedestal 1, lead screw 4 is rotated backward so that two 5 bands of feed screw nut
It moves corresponding gag lever post 6 and does back movement, gag lever post 6 and 12 phase of limited block from fixing groove 8 from popping up fixed block 11, general
Backpack body 10 and pedestal 1 detach.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of portable student pull rod school bag, including pedestal (1), which is characterized in that the pedestal (1) is hollow structure, institute
State pedestal (1) lower end four corners have it is equidistant be connected with universal wheel (2), the left end of the pedestal (1) is connected with stretch rod
(3), lead screw (4) is rotatably connected to by bearing between the two of the pedestal (1) opposite madial walls, and lead screw (4) is far from stretching
One end of bar (3) runs through the side wall of pedestal (1) and extends outwardly, and the opposite spiral shell of hand of spiral is arranged on the lead screw (4)
Line is arranged with the feed screw nut (5) to match with lead screw on the lead screw (4), and the upper end of the feed screw nut (5) is connected with
The upper end center position of gag lever post (6), the pedestal (1) is connected with fixed seat (7), and the upper end of the fixed seat (7) offers
The slot bottom of fixing groove (8), the fixing groove (8) is connected with spring (9), and the top of the fixed seat (7) is equipped with backpack body (10), institute
The center for stating backpack body (10) lower end is connected with fixed block (11), and the one end of the fixed block (11) far from backpack body (10) plugs
In fixing groove (8), and the one end of fixed block (11) far from backpack body (10) and the one end of spring (9) far from fixing groove (8) slot bottom
It offsets, the fixed block (11) is symmetrically connected with limited block (12), the fixation on the side wall far from (10) one end position of backpack body
Slot (8) symmetrically offers limit hole (13) on the cell wall of notch position, and the upper end of the pedestal (1) is about fixed seat (7)
Symmetrical to offer limiting slot (14), the limiting slot (14) is arranged through the upper end of pedestal (1), and the gag lever post (6) is far from silk
One end of stem nut (5) sequentially passes through limiting slot (14) and limit hole (13) and extends into fixing groove (8), is located at the fixation
The lower end of slot (8) interior gag lever post (6) offsets with the one end of limited block (12) far from spring (9).
2. a kind of portable student pull rod school bag according to claim 1, which is characterized in that under in the pedestal (1)
Surface offers sliding slot (15), and the lower end of the feed screw nut (5) is connected with the sliding block (16) to match with sliding slot (15), described
Sliding block (16) is slidably connected in sliding slot (15).
3. a kind of portable student pull rod school bag according to claim 1, which is characterized in that the lead screw (4) is far from drawing
One end of boom (3) is connected with turntable (17), and the other end of the turntable (17) is connected with rotating cylinder (18), and turntable (17) with turn
The axis of cylinder (18) is not on the same line.
4. a kind of portable student pull rod school bag according to claim 1, which is characterized in that the lower end of the backpack body (10)
It is symmetrically connected with damper (19) about fixed block (11), and the other end of damper (19) and the upper end of pedestal (1) offset.
5. a kind of portable student pull rod school bag according to claim 1, which is characterized in that the side of the backpack body (10)
It is arranged with shoulder strap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820205770.3U CN207885894U (en) | 2018-02-06 | 2018-02-06 | A kind of portable student pull rod school bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820205770.3U CN207885894U (en) | 2018-02-06 | 2018-02-06 | A kind of portable student pull rod school bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207885894U true CN207885894U (en) | 2018-09-21 |
Family
ID=63543313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820205770.3U Expired - Fee Related CN207885894U (en) | 2018-02-06 | 2018-02-06 | A kind of portable student pull rod school bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207885894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978615A (en) * | 2019-12-17 | 2020-04-10 | 刘晨阳 | Hot-pressing curing forming device for corrugated packaging carton |
-
2018
- 2018-02-06 CN CN201820205770.3U patent/CN207885894U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978615A (en) * | 2019-12-17 | 2020-04-10 | 刘晨阳 | Hot-pressing curing forming device for corrugated packaging carton |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207666159U (en) | A kind of adjustable travel suitcase | |
| CN201813636U (en) | Electronic device and handle | |
| CN207885894U (en) | A kind of portable student pull rod school bag | |
| CN109591942A (en) | Electric motor bicycle with folding | |
| CN208193496U (en) | A kind of treadmill handrail rotational positioning lockable mechanism | |
| CN207455084U (en) | A kind of portable air detection device | |
| CN209553404U (en) | Electric motor bicycle with folding | |
| CN209131279U (en) | A kind of tanning device for the dendrobium candidum having good stability | |
| CN208422331U (en) | A kind of agricultural technology extension propagandizing device | |
| CN109591941A (en) | Fast folding vehicle | |
| CN202295169U (en) | Foldable handlebar of bicycle | |
| CN209444993U (en) | Portable printer stand | |
| CN107456737A (en) | Simple golf bag | |
| CN108125468A (en) | A kind of adaptation adjustable bed of child growth | |
| CN209553402U (en) | Fast folding vehicle | |
| CN106965891A (en) | A kind of recreation vehicle steering structure | |
| CN208979027U (en) | A kind of folding device for child's scooter | |
| CN208740447U (en) | A kind of round table for kindergarten's drawing teaching | |
| CN207769074U (en) | A kind of sports abdominal muscle wheel | |
| CN208969915U (en) | Display board is used in a kind of study | |
| CN208114415U (en) | A kind of portable hardware showing stand | |
| CN207199110U (en) | A kind of portable physics teaching showing stand | |
| CN205143753U (en) | Umbrella tail of straight bone umbrella | |
| CN214875356U (en) | Rotary folding structure for handle bar of scooter | |
| CN218636544U (en) | Foldable jumping ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180921 Termination date: 20210206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |