CN208243149U - A kind of student for preventing harness from making dirty pull rod knapsack - Google Patents

Abstract

The utility model discloses student's pull rod knapsacks that one kind can prevent harness from making dirty, including backpack body, the four corners of the backpack body lower surface are provided with idler wheel, the upper surface of the backpack body is fixedly connected with handle, the front of the backpack body is fixedly connected with sponge cloth, the front of the backpack body is fixedly connected with one end of harness, and the other end of the harness is fixedly connected with tri-glide.The student that can prevent harness from making dirty pull rod knapsack, by the way that idler wheel is arranged, backpack body, branch band, tri-glide, sponge cloth, velcro and handle, when needing backpack body putting it on the ground pulling, student elongates branch band either manually or by tri-glide first, the velcro that branch takes is bonded on sponge cloth again, so that branch band is not easy to fall to ground and make dirty, increasing by one piece of sponge cloth in the front of backpack body makes knapsack play buffering depressurization to student back well, it does not need to remove branch band or be banded on backpack body, the time of student is not only saved, also save the physical strength of student.

Description

A kind of student for preventing harness from making dirty pull rod knapsack

Technical field

The utility model relates to pull rod knapsack technical field, specially a kind of student that can prevent harness from making dirty is carried on the back with pull rod Packet.

Background technique

During student travels outdoors and goes to school, more heavier article is carried for convenience, and rod-pulling type is commonly used Knapsack hauling mitigates weight bearing, can both carry out back according to road conditions in this way and move or pull knapsack.

By this knapsack be placed on ground it is dilatory when, branch band cannot be shunk, and branch band, which is easy friction on the ground, keeps branch band dirty Dye abrasion, branch band can only be removed or is banded on knapsack, not only waste the time of student, also waste the physical strength of student.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of student that can prevent harness from making dirty and is carried on the back with pull rod Packet, solve by this knapsack be placed on ground it is dilatory when, branch band cannot be shunk, and branch band, which is easy friction on the ground, keeps branch band dirty Dye abrasion, can only remove or be banded in the problem on knapsack by branch band.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: the student that one kind can prevent harness from making dirty uses Pull rod knapsack, including backpack body, the four corners of the backpack body lower surface are provided with idler wheel, and the upper surface of the backpack body is fixedly connected There is handle, the front of the backpack body is fixedly connected with sponge cloth, and the front of the backpack body is fixedly connected with one end of harness, described The other end of harness is fixedly connected with tri-glide.

Branch band is provided in the tri-glide, one end of the branch band is fixedly connected with the front of sponge cloth, the branch band The other end be fixedly connected with velcro, the back side of the velcro and the back side of sponge cloth are mutually be bonded, the front of the backpack body It is fixedly connected with the left and right sides of support plate, the upper surface of the support plate offers the second through-hole.

Setting is there are two pushing block in second through-hole, and the opposite face of two pushing blocks respectively with the left and right two of the first spring End is fixedly connected, and the lower surface of the pushing block and the upper surface of support plate overlap, and the lower surface of the pushing block is fixedly connected with card Block, the fixture block are located in first through hole, and the first through hole is provided with the left side of pull unit, the back side of the pushing block with The front of T-type sliding block is fixedly connected, and the T-type sliding block is slidably connected in T-type sliding slot, and the T-type sliding slot is provided with backpack body Front.

Preferably, the outer surface of the pull unit is socketed with sliding sleeve, and the sliding sleeve is connected to the upper surface of fixed block, institute The front for stating fixed block offers sliding slot, and sliding block, the upper surface of the sliding block and pull unit are slidably connected in the sliding slot Bottom end be fixedly connected, the lower surface of the sliding block is fixedly connected by second spring with the lower surface of sliding slot inner wall, described solid The back side for determining block is fixedly connected with the front of backpack body.

Preferably, the pull unit includes cross bar, and the lower surface of the cross bar is fixedly connected there are two slide bar, the cunning The outer surface of bar is socketed in sliding sleeve, and the bottom end of the slide bar is fixedly connected with the upper surface of sliding block, and fixture block setting is the In one through-hole, the first through hole is provided with the left side of slide bar.

Preferably, the front of the fixed block and support plate is overlapped with the back side of sponge cloth respectively, the height of the fixture block Less than the height of first through hole.

Preferably, the handle is shaped to semicircle, and the width of the harness is greater than the width of branch band.

Preferably, the quantity of the first through hole is two, and the diameter of two first through hole is straight less than the second through-hole Diameter.

(3) beneficial effect

The utility model provides a kind of student's pull rod knapsack that can prevent harness from making dirty, have it is following the utility model has the advantages that

1, the student that can prevent harness from making dirty pull rod knapsack, by the way that idler wheel, backpack body, harness, branch band, day word is arranged Button, sponge cloth, velcro and handle, when needing backpack body putting it on the ground pulling, student draws either manually or by tri-glide first It draws money on credit band, then the velcro that branch takes is bonded on sponge cloth, so that branch band is not easy to fall to ground and make dirty, in the front of backpack body Increasing by one piece of sponge cloth makes knapsack play buffering depressurization to student back well, does not need that branch band is removed or is banded in On backpack body, the time of student has not only been saved, has also saved the physical strength of student.

2, the student that can prevent harness from making dirty pull rod knapsack, by the way that cross bar, slide bar, sliding sleeve, sliding block, the second bullet is arranged Spring and fixed block, when student needs to elongate cross bar, student's two pushing blocks of manual squeezing first, so that two pushing blocks drive two Fixture block moves towards, so that fixture block is detached from first through hole, student can pull cross bar, so that the dilatory packet that student is more convenient Body.

3, the student that can prevent harness from making dirty pull rod knapsack is led to by setting pushing block, fixture block, the first spring, first Hole and slide bar, after student stretches cross bar, student decontrols two pushing blocks, so that the first tension force of spring drives two pushing blocks or so It is mobile, so that two pushing blocks drive two fixture blocks to move left and right, so that two fixture blocks are caught in two first through hole, so that student Slide bar is not fallen off when pulling backpack body, and the utility model which has a compact structure and a reasonable design, practical.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that the utility model is faced；

Fig. 2 is the schematic diagram of the section structure that the utility model is faced；

Fig. 3 is the structural schematic diagram amplified at the utility model A；

Fig. 4 is the structural schematic diagram amplified at the utility model B.

In figure: 1 idler wheel, 2 sponge cloths, 3 bands, 4 tri-glides, 5 harnesses, 6 backpack bodies, 7 velcro, 8 pull unit, 81 are slided Bar, 82 cross bars, 9 handles, 10 pushing blocks, 11 first springs, 12 second springs, 13 sliding blocks, 14 first through hole, 15 sliding slots, 16 sliding sleeves, 17 fixture blocks, 18 support plates, 19 second through-holes, 20 fixed blocks, 21T type sliding slot, 22T type sliding block.

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.

As shown in Figs 1-4, the utility model provides a kind of technical solution: student's pull rod that one kind can prevent harness from making dirty The four corners of knapsack, including backpack body 6,6 lower surface of backpack body are provided with idler wheel 1, by the way that idler wheel 1 is arranged, so that student draws manually Dynamic cross bar 82 is more convenient when driving backpack body 6 mobile, and the upper surface of backpack body 6 is fixedly connected with handle 9, the shape setting of handle 9 For semicircle, the width of harness 5 is greater than the width of branch band 3, and the front of backpack body 6 is fixedly connected with sponge cloth 2, by the way that sponge is arranged Cloth 2 so that the velcro 7 on branch band 3 is bonded on sponge cloth 2 so that branch band 3 is not easy to fall to ground and make dirty, backpack body 6 just Face increases by one piece of sponge cloth 2 and knapsack is made to play buffering depressurization, front and the harness 5 of backpack body 6 to student back well One end is fixedly connected, and the other end of harness 5 is fixedly connected with tri-glide 4.

Branch band 3 is provided in tri-glide 4, by the way that tri-glide 4 is arranged, more when student needs to adjust the length of branch band 3 It is convenient, and after adjusting 3 length of branch band, branch band 3 will not free extension, one end of the branch band 3 and front of sponge cloth 2 is fixed connects It connects, the other end of branch band 3 is fixedly connected with velcro 7, and the back side of velcro 7 is mutually be bonded with the back side of sponge cloth 2, backpack body 6 Front is fixedly connected with the left and right sides of support plate 18, and the upper surface of support plate 18 offers the second through-hole 19, passes through setting Second through-hole 19, two pushing blocks 10 of student's manual squeezing, so that when two two fixture blocks 17 of drive of pushing blocks 10 move towards more Convenient, the front of fixed block 20 and support plate 18 is overlapped with the back side of sponge cloth 2 respectively, and the height of fixture block 17 is less than first through hole 14 height.

Setting is there are two pushing block 10 in second through-hole 19, and the opposite face of two pushing blocks 10 left side with the first spring 11 respectively Right both ends are fixedly connected, and by the way that the first spring 11 is arranged, after student stretches cross bar 82, student decontrols two pushing blocks 10, so that The tension of first spring 11 drives two pushing blocks 10 to move left and right, so that two pushing blocks 10 drive two fixture blocks 17 to move left and right, So that two fixture blocks 17 are caught in two first through hole 14, so that slide bar 81 is not fallen off when student pulls backpack body 6, pushing block 10 Lower surface and the upper surface of support plate 18 overlap, and the lower surface of pushing block 10 is fixedly connected with fixture block 17, and it is logical that fixture block 17 is located at first In hole 14, the quantity of first through hole 14 is two, and the diameter of two first through hole 14 passes through less than the diameter of the second through-hole 19 First through hole 14 and fixture block 17 are set, so that two pushing blocks 10 drive two fixture blocks 17 to move towards, so that fixture block 17 is detached from the One through-hole 14, student can pull cross bar 82, so that the dilatory backpack body 6 that student is more convenient, first through hole 14 are provided with pulling The back side of the left side of device 8, pushing block 10 is fixedly connected with the front of T-type sliding block 22, and it is sliding that T-type sliding block 22 is slidably connected at T-type In slot 21, T-type sliding slot 21 is provided with the front of backpack body 6, by the way that T-type sliding block 22 is arranged, when so that two pushing blocks 10 moving left and right Without departing from backpack body 6, the outer surface of pull unit 8 is socketed with sliding sleeve 16, and sliding sleeve 16 is connected to the upper surface of fixed block 20, fixed The front of block 20 offers sliding slot 15, by setting slide bar 81 and sliding sleeve 16, so that band moving slide-bar 81 when student pulls cross bar 82 It moves up, so that slide bar 81 is more laborsaving when moving up, sliding block 13, the upper surface of sliding block 13 is slidably connected in sliding slot 15 It is fixedly connected with the bottom end of pull unit 8, the lower surface of sliding block 13 is solid by the lower surface of second spring 12 and 15 inner wall of sliding slot Fixed connection, the back side of fixed block 20 are fixedly connected with the front of backpack body 6, and pull unit 8 includes cross bar 82, by the way that velcro is arranged 7, so that the velcro 7 on branch band 3 is bonded on sponge cloth 2, does not need that branch band 3 is removed or is banded on backpack body 6, not only save The about time of student also saves the physical strength of student, and the lower surface of cross bar 82 is fixedly connected there are two slide bar 81, slide bar 81 Outer surface is socketed in sliding sleeve 16, and the bottom end of slide bar 81 is fixedly connected with the upper surface of sliding block 13, and the setting of fixture block 17 is logical first In hole 14, first through hole 14 is provided with the left side of slide bar 81.

In use, student elongates branch band either manually or by tri-glide 4 first when needing backpack body 6 putting it on the ground pulling 3, then the velcro 7 on branch band 3 is bonded on sponge cloth 2, so that branch band 3 is not easy to fall to ground and make dirty, in the front of backpack body 6 Increasing by one piece of sponge cloth 2 makes knapsack play buffering depressurization to student back well, does not need that branch band 3 is removed or tied up On backpack body 6, when student needs to elongate cross bar 82, student's two pushing blocks 10 of manual squeezing first, so that two 10 bands of pushing block Dynamic two fixture blocks 17 move towards, so that fixture block 17 is detached from first through hole 14, student can pull cross bar 82, so that student is more Easily dilatory backpack body 6, after student stretches cross bar 82, student decontrols two pushing blocks 10, so that the tension band of the first spring 11 Dynamic two pushing blocks 10 move left and right, so that two pushing blocks 10 drive two fixture blocks 17 to move left and right, so that two fixture blocks 17 are caught in In two first through hole 14, so that slide bar 81 is not fallen off when student pulls backpack body 6.

It can to sum up obtain, 1, the student that can prevent harness from making dirty pull rod knapsack, by the way that idler wheel 1, backpack body 6, harness is arranged 5, branch band 3, tri-glide 4, sponge cloth 2, velcro 7 and handle 9, when needing backpack body 6 putting it on the ground pulling, student is first Branch band 3 is elongated either manually or by tri-glide 4, then the velcro 7 on branch band 3 is bonded on sponge cloth 2, so that branch band 3 is not easy to hang down It is made dirty to ground, increases by one piece of sponge cloth 2 in the front of backpack body 6 and knapsack well makees student back buffering decompression With not needing that branch band 3 is removed or is banded on backpack body 6, not only saved the time of student, also save the physical strength of student.

2, the student that can prevent harness from making dirty pull rod knapsack, by the way that cross bar 82, slide bar 81, sliding sleeve 16, sliding block is arranged 13, second spring 12 and fixed block 20, when student needs to elongate cross bar 82, student's two pushing blocks 10 of manual squeezing first make Obtaining two pushing blocks 10 drives two fixture blocks 17 to move towards, so that fixture block 17 is detached from first through hole 14, student can pull cross bar 82, so that the dilatory backpack body 6 that student is more convenient.

3, the student that can prevent harness from making dirty pull rod knapsack, by setting pushing block 10, fixture block 17, the first spring 11, First through hole 14 and slide bar 81, after student stretches cross bar 82, student decontrols two pushing blocks 10, so that the tension of the first spring 11 Two pushing blocks 10 are driven to move left and right, so that two pushing blocks 10 drive two fixture blocks 17 to move left and right, so that two fixture blocks 17 block Enter in two first through hole 14, so that slide bar 81 is not fallen off when student pulls backpack body 6, and the utility model is compact-sized, if Meter is rationally, practical.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. the student that one kind can prevent harness from making dirty pull rod knapsack, including backpack body (6), it is characterised in that: under the backpack body (6) The four corners on surface are provided with idler wheel (1), and the upper surface of the backpack body (6) is fixedly connected with handle (9), the backpack body (6) Front be fixedly connected with sponge cloth (2), the backpack body (6) front be fixedly connected with one end of harness (5), the harness (5) the other end is fixedly connected with tri-glide (4)；

It being provided with branch band (3) in the tri-glide (4), one end of the branch band (3) is fixedly connected with the front of sponge cloth (2), The other end of the branch band (3) is fixedly connected with velcro (7), the back side of the velcro (7) and the back side phase of sponge cloth (2) The front of bonding, the backpack body (6) is fixedly connected with the left and right sides of support plate (18), the upper surface of the support plate (18) Offer the second through-hole (19)；

Setting is there are two pushing block (10) in second through-hole (19), and the opposite face of two pushing blocks (10) respectively with the first spring (11) left and right ends are fixedly connected, and the lower surface of the pushing block (10) and the upper surface of support plate (18) overlap, the pushing block (10) lower surface is fixedly connected with fixture block (17), and the fixture block (17) is located in first through hole (14), the first through hole (14) it is provided with the left side of pull unit (8), the back side of the pushing block (10) is fixedly connected with the front of T-type sliding block (22), The T-type sliding block (22) is slidably connected in T-type sliding slot (21), and the T-type sliding slot (21) is provided with the front of backpack body (6).

2. the student that one kind according to claim 1 can prevent harness from making dirty pull rod knapsack, it is characterised in that: the drawing The outer surface of dynamic device (8) is socketed with sliding sleeve (16), and the sliding sleeve (16) is connected to the upper surface of fixed block (20), the fixation The front of block (20) offers sliding slot (15), slidably connects sliding block (13) in the sliding slot (15), the sliding block (13) it is upper Surface is fixedly connected with the bottom end of pull unit (8), and the lower surface of the sliding block (13) passes through second spring (12) and sliding slot (15) lower surface of inner wall is fixedly connected, and the back side of the fixed block (20) is fixedly connected with the front of backpack body (6).

3. the student that one kind according to claim 2 can prevent harness from making dirty pull rod knapsack, it is characterised in that: the drawing Dynamic device (8) include cross bar (82), and the lower surface of the cross bar (82) is fixedly connected with that there are two slide bar (81), the slide bars (81) Outer surface be socketed in sliding sleeve (16), the bottom end of the slide bar (81) is fixedly connected with the upper surface of sliding block (13), the card In first through hole (14), the first through hole (14) is provided with the left side of slide bar (81) for block (17) setting.

4. the student that one kind according to claim 3 can prevent harness from making dirty pull rod knapsack, it is characterised in that: described solid The front for determining block (20) and support plate (18) is overlapped with the back side of sponge cloth (2) respectively, and the height of the fixture block (17) is less than the The height of one through-hole (14).

5. the student that one kind according to claim 4 can prevent harness from making dirty pull rod knapsack, it is characterised in that: described Hand (9) is shaped to semicircle, and the width of the harness (5) is greater than the width of branch band (3).

6. the student that one kind according to claim 5 can prevent harness from making dirty pull rod knapsack, it is characterised in that: described The quantity of one through-hole (14) is two, and the diameter of two first through hole (14) is less than the diameter of the second through-hole (19).