CN214483571U

CN214483571U - Extensible backpack

Info

Publication number: CN214483571U
Application number: CN202120645601.3U
Authority: CN
Inventors: 钱有才
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-10-26
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a knapsack of expanded extension, including the knapsack, the top of knapsack is connected with the handle area, the left and right sides of the front end of knapsack all is connected with the fixed band, the left fixed band department of knapsack front end is connected with first extension package, wherein, the fixed band department on knapsack front end right side is connected with second extension package, the right side of first extension package is fixed with first connecting band, the left side of second extension package is fixed with the second connecting band, one side that the second connecting band is close to first connecting band is connected with fixed cover. The utility model discloses a set up first extension package and second extension package, first extension package is the same with the size of second extension package, and first extension package, second extension package are linked together with the knapsack is whole, and when the knapsack needed the article of dress too much, can expand first extension package and second extension package, increased the holistic storage space of knapsack, be convenient for simultaneously to sack to the article of bigger size, facilitate the use.

Description

Extensible backpack

Technical Field

The utility model relates to a knapsack technical field specifically is a knapsack of expanded extension.

Background

Bags, namely handbag bags, comprise purses, key bags, change purses, handbags, backpacks, schoolbag, satchel, briefcases and the like, are used for storing personal articles, and can also reflect the identity, status, economic condition, character and the like of a person.

Although the types and the number of the existing backpacks are very large, the existing backpacks still have certain problems, and bring certain inconvenience to the use of the backpacks.

However, most backpacks are used to store articles according to the size of the backpack, the storage space is limited, and the backpack is not easy to expand and extend, so that the technology of improving the backpack structure is urgently needed to perfect the equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a knapsack that can expand extension has solved the knapsack and has stored article according to the size of knapsack mostly at the in-process that uses, and storage space is limited, and is difficult for expanding the problem of extension to the knapsack.

In order to achieve the above object, the utility model provides a following technical scheme: an extensible backpack comprises a backpack, the top end of the backpack is connected with a handle belt, the left side and the right side of the front end of the backpack are both connected with fixing belts, the left fixing belt of the front end of the backpack is connected with a first extensible bag, wherein,

a second extension bag is connected to a fixing band on the right side of the front end of the backpack, a first connecting band is fixed to the right side of the first extension bag, a second connecting band is fixed to the left side of the second extension bag, a fixing sleeve is connected to one side, close to the first connecting band, of the second connecting band, an open slot is formed in the middle of the transverse side of the fixing sleeve, a baffle is connected to one side, close to the fixing sleeve, of the outer portion of the first connecting band, a diamond block is connected to the upper side and the lower side of the right end of the baffle, and a diamond groove is formed in one side, close to the diamond block, of the fixing sleeve;

the fixed cover is close to one side in open slot and has been seted up the fixed rod groove, the inside in fixed rod groove is provided with the dead lever, one side that the open slot was kept away from to the dead lever is connected with the pull rod, the outside winding of pull rod has the spring, the spring sets up the inside in fixed rod groove, the fixed cover has been close to one side of pull rod and has been seted up the pull rod groove, the through-hole has been seted up to one side that the dead lever is close to in first connecting band, the fixed groove has been seted up to the inside one side of keeping away from the fixed rod groove of fixed cover.

Preferably, the first extension bag and the second extension bag are the same in size, and the first extension bag and the second extension bag are integrally communicated with the backpack.

Preferably, the vertical maximum length of the diamond-shaped block is greater than the length of the opening of the diamond-shaped groove, and the diamond-shaped block and the diamond-shaped groove form a clamping structure.

Preferably, the central axes of the fixing rod groove, the through hole and the fixing groove are in the same straight line.

Preferably, one side of the fixing rod close to the first connecting belt is a slope, and the height of the slope of the fixing rod from one side close to the second connecting belt to one side far away from the second connecting belt is gradually increased.

Preferably, one side of the spring is fixedly connected with the fixing rod, the other side of the spring is fixedly connected with the inner wall of the fixing rod groove, and the fixing rod and the fixing sleeve form an elastic structure through the spring.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up first extension package and second extension package, first extension package is the same with the size of second extension package, and first extension package, second extension package are linked together with the knapsack is whole, and when the knapsack needed the article of dress too much, can expand first extension package and second extension package, increased the holistic storage space of knapsack, be convenient for simultaneously to sack to the article of bigger size, facilitate the use.

2. The utility model discloses a set up the spring, remove the inside of open slot with first splicing tape, when the inside through-hole of first splicing tape aligns with the fixed rod groove, the fixed rod passes through the inside that the through-hole bullet goes into the fixed slot through the elastic construction who constitutes with the spring, accomodates first extension package and second extension package.

3. The utility model discloses a set up the diamond-shaped piece, remove the inside of fixed cover internal open slot with first splicing tape, when the outside baffle of first splicing tape supported the edge of fixed cover, the diamond-shaped piece removed the inside in diamond-shaped groove, and at this moment, the through-hole aligns with the fixed rod groove, is convenient for fix a position for the dead lever can be smooth from the inside that the through-hole department removed the fixed slot.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the present invention viewed from the top along the line B-B;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.

In the figure: 1. a backpack; 2. a handle strap; 3. fixing belts; 4. a first extension packet; 5. a second extension packet; 6. a first connecting belt; 7. a second connecting band; 8. fixing a sleeve; 9. an open slot; 10. a baffle plate; 11. diamond-shaped blocks; 12. a diamond-shaped groove; 13. a fixed rod slot; 14. fixing the rod; 15. a pull rod; 16. a spring; 17. a pull rod groove; 18. a through hole; 19. and fixing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: an extensible backpack comprises a backpack 1, a handle belt 2, a fixing strap 3, a first extension bag 4, a second extension bag 5, a first connecting strap 6, a second connecting strap 7, a fixing sleeve 8, an open slot 9, a baffle plate 10, a diamond-shaped block 11, a diamond-shaped groove 12, a fixing rod groove 13, a fixing rod 14, a pull rod 15, a spring 16, a pull rod groove 17, a through hole 18 and a fixing groove 19, wherein the handle belt 2 is connected to the top end of the backpack 1, the fixing strap 3 is connected to the left side and the right side of the front end of the backpack 1, the first extension bag 4 is connected to the fixing strap 3 on the left side of the front end of the backpack 1, the first extension bag 4 and the second extension bag 5 have the same size, the first extension bag 4 and the second extension bag 5 are integrally communicated with the backpack 1, when too many articles need to be packed in the backpack 1, the first extension bag 4 and the second extension bag 5 can be unfolded, so that the overall storage space of the backpack 1 is increased, simultaneously, the utility model is convenient for bagging the articles with larger size and is convenient for use, wherein,

a second extension bag 5 is connected with the right side of the fixing belt 3 at the front end of the backpack 1, a first connecting belt 6 is fixed at the right side of the first extension bag 4, a second connecting belt 7 is fixed at the left side of the second extension bag 5, a fixing sleeve 8 is connected with one side of the second connecting belt 7 close to the first connecting belt 6, an open slot 9 is formed in the middle of the transverse side of the fixing sleeve 8, a baffle plate 10 is connected with one side of the outer portion of the first connecting belt 6 close to the fixing sleeve 8, diamond blocks 11 are connected with the upper side and the lower side of the right end of the baffle plate 10, the vertical maximum length of each diamond block 11 is larger than the length of the opening of the diamond slot 12, the diamond blocks 11 and the diamond slot 12 form a clamping structure, the first connecting belt 6 is moved to the inner portion of the open slot 9 in the fixing sleeve 8, and when the baffle plate 10 at the outer portion of the first connecting belt 6 butts against the edge of the fixing sleeve 8, the diamond blocks 11 are moved to the inner portion of the diamond slot 12, at the moment, the through hole 18 is aligned with the fixing rod groove 13, so that the fixing rod 14 can be conveniently positioned, the fixing rod can smoothly move from the through hole 18 to the inside of the fixing groove 19, and the diamond-shaped groove 12 is formed in one side of the fixing sleeve 8, which is close to the diamond 11;

a fixing rod groove 13 is formed in one side, close to the open slot 9, of the fixing sleeve 8, a fixing rod groove 13, a through hole 18 and a fixing groove 19 are located on the same straight line, a fixing rod 14 is arranged inside the fixing rod groove 13, one side, close to the first connecting belt 6, of the fixing rod 14 is a slope, the height of the slope of the fixing rod 14 from one side, close to the second connecting belt 7, to one side, away from the second connecting belt 7 gradually rises, the first connecting belt 6 is moved into the open slot 9, when the edge of the first connecting belt 6 abuts against the fixing rod 14, one side, close to the first connecting belt 6, of the fixing rod 14 is a slope, so that the fixing rod 14 is gradually moved into the fixing rod groove 13, the situation that the first connecting belt 6 is prevented from moving is prevented, one side, away from the open slot 9, of the fixing rod 14 is connected with a pull rod 15, and a spring 16 is wound outside the pull rod 15, one side of the spring 16 is fixedly connected with the fixing rod 14, the other side of the spring 16 is fixedly connected with the inner wall of the fixing rod groove 13, the fixing rod 14 and the fixing sleeve 8 form an elastic structure through the spring 16, the first connecting belt 6 is moved into the opening groove 9, when the through hole 18 in the first connecting belt 6 is aligned with the fixing rod groove 13, the fixing rod 14 is bounced into the fixing groove 19 through the through hole 18 through the elastic structure formed by the spring 16, the first expansion bag 4 and the second expansion bag 5 are accommodated, the spring 16 is arranged in the fixing rod groove 13, a pull rod groove 17 is formed in one side, close to the pull rod 15, of the fixing sleeve 8, the through hole 18 is formed in one side, close to the fixing rod 14, of the first connecting belt 6, and the fixing groove 19 is formed in one side, far away from the fixing rod groove 13, of the inside of the fixing sleeve 8.

The working principle is as follows: when the extensible backpack is used, firstly, the first connecting belt 6 is moved to the inside of the open slot 9, when the edge of the first connecting belt 6 abuts against the fixing rod 14, one side, close to the first connecting belt 6, of the fixing rod 14 is a slope surface, so that the fixing rod 14 is gradually moved to the inside of the fixing rod slot 13, and the situation that the first connecting belt 6 is obstructed in moving is avoided, at the moment, when the baffle 10 outside the first connecting belt 6 abuts against the edge of the fixing sleeve 8, the diamond blocks 11 are moved to the inside of the diamond slots 12, positioning is convenient, when the through hole 18 inside the first connecting belt 6 is aligned with the fixing rod slot 13, the fixing rod 14 is bounced into the inside of the fixed slot 19 through the elastic structure formed by the spring 16 through the through hole 18, and the first extensible backpack 4 and the second extensible backpack 5 are stored;

when large-size articles need to be bagged, the pull rod 15 is pulled, the pull rod 15 drives the fixing rod 14 to move out of the fixing groove 19, the first expansion bag 4 and the second expansion bag 5 are unfolded, the overall storage space of the backpack 1 is increased, and meanwhile, the large-size articles can be conveniently bagged, and the backpack is convenient to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An expandable extendable backpack comprising a backpack (1), characterized in that: the top end of the backpack (1) is connected with a handle belt (2), the left side and the right side of the front end of the backpack (1) are both connected with fixing belts (3), the fixing belt (3) on the left side of the front end of the backpack (1) is connected with a first extension bag (4), wherein,

a second extension bag (5) is connected to a fixing band (3) on the right side of the front end of the backpack (1), a first connecting band (6) is fixed to the right side of the first extension bag (4), a second connecting band (7) is fixed to the left side of the second extension bag (5), a fixing sleeve (8) is connected to one side, close to the first connecting band (6), of the second connecting band (7), an open slot (9) is formed in the middle of the transverse side of the fixing sleeve (8), a baffle (10) is connected to one side, close to the fixing sleeve (8), of the outer portion of the first connecting band (6), the upper side and the lower side of the right end of the baffle (10) are both connected with diamond blocks (11), and a diamond groove (12) is formed in one side, close to the diamond blocks (11), of the fixing sleeve (8);

fixed cover (8) are close to one side of open slot (9) and have seted up fixed rod groove (13), the inside in fixed rod groove (13) is provided with dead lever (14), one side that open slot (9) were kept away from in dead lever (14) is connected with pull rod (15), the outside winding of pull rod (15) has spring (16), spring (16) set up the inside in fixed rod groove (13), pull rod groove (17) have been seted up to one side that fixed cover (8) are close to pull rod (15), through-hole (18) have been seted up to one side that fixed tie (6) are close to dead lever (14), fixed cover (8) inside one side of keeping away from fixed rod groove (13) has seted up fixed slot (19).

2. The expandable extension backpack of claim 1, wherein: the first expansion bag (4) and the second expansion bag (5) are the same in size, and the first expansion bag (4) and the second expansion bag (5) are integrally communicated with the backpack (1).

3. The expandable extension backpack of claim 1, wherein: the vertical maximum length of the diamond blocks (11) is larger than the length of the opening of the diamond groove (12), and the diamond blocks (11) and the diamond groove (12) form a clamping structure.

4. The expandable extension backpack of claim 1, wherein: the central axes of the fixing rod groove (13), the through hole (18) and the fixing groove (19) are in the same straight line.

5. The expandable extension backpack of claim 1, wherein: one side of the fixing rod (14) close to the first connecting belt (6) is a slope, and the height of the slope of the fixing rod (14) from one side close to the second connecting belt (7) to one side far away from the second connecting belt (7) is gradually increased.

6. The expandable extension backpack of claim 1, wherein: one side of the spring (16) is fixedly connected with the fixed rod (14), the other side of the spring (16) is fixedly connected with the inner wall of the fixed rod groove (13), and the fixed rod (14) and the fixed sleeve (8) form an elastic structure through the spring (16).