CN209769424U - Schoolbag with expandable inner space - Google Patents

Abstract

The utility model discloses an inner space extensible schoolbag, include: the outer bag body is made of hard materials; the inner container is arranged in the outer bag body and is made of soft materials, and the upper end of the inner container is provided with an opening which can be opened and closed; the support assembly comprises a fixed rod fixedly arranged at the bottom of the inner cavity of the outer bag body and a sleeve slidably sleeved on the fixed rod, the upper end of the sleeve is fixedly connected with the inner container, and the inner container is driven to be switched between a storage state and an expansion state; and the positioning mechanism is used for fixing the sleeve at a position close to the bottom of the outer bag body and fixing the sleeve at a position far away from the bottom of the outer bag body. The problem that objects in the schoolbag can not be effectively protected after the inner space of the schoolbag is expanded in the prior art, and the objects in the schoolbag are easily extruded and deformed or even damaged is solved.

Description

Schoolbag with expandable inner space

Technical Field

The utility model relates to a storing instrument technical field, concretely relates to inner space extensible schoolbag.

Background

Along with the improvement of the quality of life, more and more people start outdoor travel, and carried articles need to be packaged and carried by a travel bag during travel, but the existing travel bag has a single function and fixed internal space, and if the travel bag used by a tourist is just provided with the articles for daily use, special products and souvenirs purchased by the tourist after the travel is finished cannot be packaged in the travel bag; the existing traveling bag is provided with a folding bag, but the folding bag is made of soft materials due to folding, so that some objects which cannot be squeezed are inconvenient to place in a box for storage, and therefore a schoolbag with an expandable inner space is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing a schoolbag with an expandable inner space to solve the problem that the schoolbag in the prior art cannot effectively protect the objects in the schoolbag after expanding the inner space of the schoolbag, and the objects in the schoolbag are extruded and deformed or even damaged easily. To this end, there is provided a schoolbag with an expandable inner space, comprising:

the outer bag body is made of hard materials;

the inner container is made of soft materials, the upper end of the inner container is provided with an opening which can be opened and closed for opening the inner container, the inner container is in a containing state of being contained in the inner cavity of the outer bag body, and is in an expansion state of moving to the outside of the outer bag body and forming an expansion space with the outer bag body;

The supporting assembly comprises a fixed rod fixedly arranged at the bottom of the inner cavity of the outer casing body and a sleeve slidably sleeved on the fixed rod, the upper end of the sleeve is fixedly connected with the inner container, and the inner container is driven to be switched between the accommodating state and the expanding state;

And the positioning mechanism is used for fixing the sleeve at a position close to the bottom of the outer bag body so that the inner container is in a storage state, and fixing the sleeve at a position far away from the bottom of the outer bag body so that the inner container is in an expansion state.

The positioning mechanism comprises a first positioning bolt arranged at the upper end of the fixing rod, and an upper jack and a lower jack which are respectively arranged at the top and the bottom of the sleeve and correspond to the first positioning bolt, and the first positioning bolt moves towards the upper jack or the lower jack under the pushing of the first biasing part.

the first biasing member is a spring and is accommodated in the accommodating hole of the fixing rod, one end of the spring is connected with the inner wall of the accommodating hole, and the other end of the spring is connected with the first positioning bolt to push the first positioning bolt to move towards the sleeve.

The two sets of supporting components are respectively arranged on the opposite sides in the inner container.

The schoolbag with the expandable inner space further comprises a movable plate which is arranged in the length direction of the sleeve in a sliding mode and supports the top of the inner container in an expanded state; the movable plate has a first position fixed at the bottom of the sleeve in the stowed state and a second position fixed at the top of the sleeve in the expanded state.

the movable plate is provided with a ferrule sleeved on the sleeve, and the upper end and the lower end of the sleeve are respectively provided with a positioning part for fixing the ferrule.

The positioning part is an insertion hole formed in the sleeve, and a second positioning bolt which is matched and inserted with the insertion hole is arranged on the ferrule.

The ferrule is provided with a containing cavity for containing a second biasing member, and the second biasing member pushes the second positioning bolt to be inserted into the inserting hole.

the second biasing member is a spring, one end of the spring is connected with the inner wall of the accommodating cavity, and the other end of the spring is connected with the annular boss on the second positioning bolt in an abutting mode to push the second positioning bolt to move towards the sleeve.

The bottom of the inner cavity of the outer bag body is provided with a fixed plate which is fixedly connected with the outer bag body and used for supporting the outer bag body, and the lower end of the fixed plate is fixedly connected with the fixed plate.

The technical scheme of the utility model, have following advantage:

1. the utility model provides an inner space extensible schoolbag, include: the outer bag body is made of hard materials; the inner container is made of soft materials, the upper end of the inner container is provided with an opening which can be opened and closed for opening the inner container, the inner container is in a containing state of being contained in the inner cavity of the outer bag body, and is in an expansion state of moving to the outside of the outer bag body and forming an expansion space with the outer bag body; the supporting assembly comprises a fixed rod fixedly arranged at the bottom of the inner cavity of the outer casing body and a sleeve slidably sleeved on the fixed rod, the upper end of the sleeve is fixedly connected with the inner container, and the inner container is driven to be switched between the accommodating state and the expanding state; and the positioning mechanism is used for fixing the sleeve at a position close to the bottom of the outer bag body so that the inner container is in a storage state, and fixing the sleeve at a position far away from the bottom of the outer bag body so that the inner container is in an expansion state. When the sleeve slides to the bottom of the outer package body, the inner container is in a storage state, and a user can take out or place articles by opening the opening arranged at the top of the inner container; when the sleeve slides to the top of the outer bag body, the sleeve pushes the top of the inner cavity of the inner container to push the inner container out of the outer bag body, and the outer bag body and the inner container jointly form a large containing cavity, so that the volume of the traveling bag is increased, the containing capacity of the traveling bag is increased, and the bag body is adaptive to different requirements. Moreover, the hard material of the outer packaging body can effectively protect objects in the schoolbag and prevent the objects from deforming under extrusion.

2. The utility model provides an inner space extensible schoolbag, positioning mechanism is including setting up the first location bolt of dead lever upper end, and set up respectively sleeve top and bottom with the corresponding last jack of first location bolt and jack down, first location bolt moves under the promotion of first biasing part last jack or the jack removes down. Through the first positioning bolt and the upper insertion hole and the lower insertion hole which are respectively arranged at the top and the bottom of the sleeve, the sleeve can be effectively fixed inside the outer bag body or at a position far away from the outer bag body, so that the size of the schoolbag can be simply and effectively adjusted.

3. The utility model provides an inner space extensible schoolbag, first positioning bolt orientation under the promotion of first biasing member go up the jack or the jack removes down, when the user need adjust telescopic position, stretch into the inner bag with the hand from the opening on inner bag top inside, thereby it can slide from top to bottom at dead lever length direction to press first positioning bolt messenger's sleeve, and the sleeve slides the back that targets in place, receives the effect of first biasing member to insert the jack or the jack has easy operation convenient advantage down.

4. The utility model provides a schoolbag with an expandable inner space, which also comprises a movable plate which is arranged in the length direction of the sleeve in a sliding way and supports the top of the inner container in an expanded state; the movable plate has a first position fixed at the bottom of the sleeve in the stowed state and a second position fixed at the top of the sleeve in the expanded state. The movable plate can effectively support the inner container extending to the outer side of the outer bag body when the top of the inner container is arranged, so that the space formed by the outer bag body and the outer bag body is effectively supported, objects in the schoolbag are effectively protected, and the objects are prevented from deforming under extrusion.

5. The utility model provides an inner space extensible schoolbag, it puts to be equipped with the cover on the fly leaf lasso on the sleeve, telescopic upper and lower both ends are provided with one respectively and are used for fixing the location portion of lasso, the lasso can guide the fly leaf to make a round trip to slide on telescopic length direction effectively.

6. The utility model provides an inner space extensible schoolbag, location portion is for setting up spliced eye on the sleeve, be provided with on the lasso with the second location bolt that the spliced eye cooperation was pegged graft. The ferrule is provided with a containing cavity for containing a second biasing member, and the second biasing member pushes the second positioning bolt to be inserted into the inserting hole. After the ferrule slides in place, the ferrule is inserted into the plug hole under the action of the second biasing member, and the device has the advantage of simple and convenient operation.

Drawings

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

fig. 1 is a schematic perspective view of the schoolbag with an expandable inner space provided by the present invention;

Fig. 2 is a schematic view of a connection structure of the fixing rod and the sleeve provided by the present invention;

fig. 3 is a schematic view of the connection between the inner bag and the outer bag body when the inner bag is in the storage state;

Fig. 4 is a schematic connection diagram of the inner bag and the outer bag body when the inner bag is in an expanded state;

FIG. 5 is an enlarged partial view of portion A of the inner bag and the outer bag shown in FIG. 3 in the stowed position;

Figure 6 is an enlarged partial schematic view of portion B of the inner container and outer body shown in figure 4 in an expanded condition.

description of reference numerals:

1-an external bag body; 2-inner container; 3-fixing the rod; 4-a sleeve; 5-a first positioning bolt; 6-upper plug hole; 7-lower insertion holes; 8-a first biasing member; 9-a movable plate; 10-a ferrule; 11-a second positioning pin; 12-a second biasing member; 13-fixing the plate; 14-a plug hole; 15-an annular boss; 16-zipper.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

example 1

The present embodiment provides a schoolbag with an expandable internal space, as shown in fig. 1, including:

The outer bag body 1 is made of hard material;

the inner container 2 is arranged in the outer bag body 1, the upper end of the inner container 2 is made of soft materials, the opening capable of being opened and closed is used for opening the inner container 2, the inner container 2 is in a storage state of being stored in the inner cavity of the outer bag body 1 and in an expansion state of being moved to the outside of the outer bag body 1 to form an expansion space with the outer bag body 1, and the top and the side of the inner container 2 are provided with zippers 16 used for opening the inner container 2;

Two sets of support assemblies, as shown in fig. 2 to 6, are respectively arranged on opposite sides inside the inner container 2, and each support assembly comprises a fixing rod 3 fixedly arranged at the bottom of the inner cavity of the outer bag body 1 and a sleeve 4 slidably sleeved on the fixing rod 3, wherein the upper end of the sleeve 4 is fixedly connected with the inner container 2 to drive the inner container 2 to be switched between the storage state and the expansion state, when the sleeve 4 slides to the bottom of the outer bag body 1, the inner container 2 is in the storage state, and a user can take out or place articles by opening an opening arranged at the top of the inner container 2; when the sleeve 4 slides to the top of the outer bag body 1, the sleeve 4 pushes the top of the inner cavity of the inner container 2 to eject the inner container 2 out of the outer bag body 1, and the outer bag body 1 and the inner container 2 jointly form a large accommodating cavity, so that the volume of the traveling bag is improved, the accommodating capacity of the traveling bag is increased, and the bag body is adapted to different requirements. Moreover, the outer packaging body 1 is made of hard materials, so that objects in the schoolbag can be effectively protected, and the objects are prevented from deforming under extrusion.

The positioning mechanism is used for fixing the sleeve 4 at a position close to the bottom of the outer bag body 1 to enable the inner container 2 to be in a storage state, and fixing the sleeve 4 at a position far away from the bottom of the outer bag body 1 to enable the inner container 2 to be in an expansion state, the positioning mechanism comprises a first positioning bolt 5 arranged at the upper end of the fixing rod 3, an upper jack 6 and a lower jack 7 which are respectively arranged at the top and the bottom of the sleeve 4 and correspond to the first positioning bolt 5, and the first positioning bolt 5 moves towards the upper jack 6 or the lower jack 7 under the pushing of a first biasing part 8. The first biasing member 8 is a spring, and is accommodated in the accommodating hole of the fixing rod 3, one end of the spring is connected with the inner wall of the accommodating hole, and the other end of the spring is connected with the first positioning bolt 5, so as to push the first positioning bolt 5 to move towards the sleeve 4.

the schoolbag with an expandable inner space in the application, as shown in fig. 2, further comprises a movable plate 9 which is slidably arranged in the length direction of the sleeve 4 and supports the top of the inner container 2 in the expanded state; the movable plate 9 is provided with a first position fixed at the bottom of the sleeve 4 in the accommodating state and a second position fixed at the top of the sleeve 4 in the expanding state, and the movable plate 9 can effectively support the inner container 2 extending to the outer side of the outer bag body 1 when being arranged at the top of the inner container 2, so that the space formed by the outer bag body 1 and the outer bag body 1 is effectively supported, objects in the schoolbag are effectively protected, and the objects are prevented from deforming under extrusion. The movable plate 9 is provided with a ferrule 10 sleeved on the sleeve 4, and the upper end and the lower end of the sleeve 4 are respectively provided with a positioning part for fixing the ferrule 10. The positioning part is an insertion hole 14 arranged on the sleeve 4, and the ferrule 10 is provided with a second positioning bolt 11 which is in matched insertion with the insertion hole 14. The ferrule 10 is provided with a receiving cavity for receiving a second biasing member 12, and the second biasing member 12 pushes the second positioning pin 11 to be inserted into the insertion hole 14. The second biasing member 12 is a spring, one end of the spring is connected to the inner wall of the receiving cavity, and the other end of the spring is connected to the annular boss 15 of the second positioning pin 11 in an abutting manner, so as to push the second positioning pin 11 to move towards the sleeve 4. The collar 10 is effective to guide the movable plate 9 to slide back and forth in the longitudinal direction of the sleeve 4. The second biasing member 12 urges the second positioning pin 11 to be inserted into the insertion hole 14. After the ferrule 10 is slid into place, it is inserted into the insertion hole 14 by the second biasing member 12, which has the advantage of simple and convenient operation. The bottom of the inner cavity of the outer bag body 1 is provided with a fixed plate 13 which is fixedly connected with the inner cavity and used for supporting the outer bag body 1, and the lower end of the fixed rod 3 is fixedly connected with the fixed plate 13.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. a bag whose inner space is expandable, comprising:

The outer bag body (1) is made of hard material;

The inner container (2) is arranged in the outer bag body (1), the upper end of the inner container (2) is made of soft materials, and is provided with an opening which can be opened and closed for opening the inner container (2), the inner container (2) is in a storage state of being stored in the inner cavity of the outer bag body (1), and is in an expansion state of moving to the outside of the outer bag body (1) to form an expansion space with the outer bag body (1);

the supporting assembly comprises a fixing rod (3) fixedly arranged at the bottom of the inner cavity of the outer bag body (1) and a sleeve (4) sleeved on the fixing rod (3) in a sliding manner, the upper end of the sleeve (4) is fixedly connected with the inner container (2), and the inner container (2) is driven to be switched between the accommodating state and the expanding state;

The positioning mechanism is used for fixing the sleeve (4) at a position close to the bottom of the outer bag body (1) to enable the inner container (2) to be in a storage state, and is used for fixing the sleeve (4) at a position far away from the bottom of the outer bag body (1) to enable the inner container (2) to be in an expansion state.

2. The schoolbag with expandable inner space as claimed in claim 1, wherein the positioning mechanism comprises a first positioning pin (5) arranged at the upper end of the fixing rod (3), and an upper jack (6) and a lower jack (7) arranged at the top and bottom of the sleeve (4) respectively corresponding to the first positioning pin (5), wherein the first positioning pin (5) moves towards the upper jack (6) or the lower jack (7) under the pushing of a first biasing member (8).

3. schoolbag with expandable inner space as claimed in claim 2, characterized in that the first biasing member (8) is a spring, which is accommodated in an accommodating hole of the fixing rod (3), and one end of the spring is connected to the inner wall of the accommodating hole, and the other end is connected to the first positioning pin (5) to push the first positioning pin (5) to move towards the sleeve (4).

4. Schoolbag with expandable inner space according to claim 1, characterized in that the support members are provided in two sets, one on each of opposite sides of the inner part of the inner bag (2).

5. Schoolbag with expandable inner space according to any of claims 1-4, characterized by further comprising a movable plate (9) slidably arranged in the length direction of the sleeve (4) supporting the top of the inner bag (2) in the expanded state; the movable plate (9) has a first position fixed at the bottom of the sleeve (4) in the stowed condition and a second position fixed at the top of the sleeve (4) in the expanded condition.

6. The schoolbag with an expandable inner space as claimed in claim 5, wherein the movable plate (9) is provided with a collar (10) sleeved on the sleeve (4), and the upper and lower ends of the sleeve (4) are respectively provided with a positioning portion for fixing the collar (10).

7. The schoolbag with the expandable inner space as claimed in claim 6, wherein the positioning portion is a plug hole (14) arranged on the sleeve (4), and the ferrule (10) is provided with a second positioning plug pin (11) which is matched and plugged with the plug hole (14).

8. Schoolbag with expandable inner space, which is characterized in that the collar (10) is provided with a containing cavity for containing a second biasing member (12), and the second biasing member (12) pushes the second positioning latch (11) to be inserted into the insertion hole (14).

9. Schoolbag with expandable inner space according to claim 8, characterized in that the second biasing member (12) is a spring with one end connected to the inner wall of the receiving cavity and the other end connected to the abutting annular boss (15) on the second positioning pin (11) to push the second positioning pin (11) towards the sleeve (4).

10. The schoolbag with the expandable inner space as claimed in claim 1, wherein a fixing plate (13) fixedly connected with the bottom of the inner cavity of the outer bag body (1) for supporting the outer bag body (1) is arranged at the bottom of the inner cavity of the outer bag body, and the lower end of the fixing rod (3) is fixedly connected with the fixing plate (13).