CN112353075A

CN112353075A - Luggage case with portable satchel

Info

Publication number: CN112353075A
Application number: CN202011473427.5A
Authority: CN
Inventors: 李永亮; 郑雪峰
Original assignee: Shanghai Conwood International Trade Co ltd
Current assignee: Shanghai Conwood International Trade Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-02-12

Abstract

The invention relates to a luggage case with a portable shoulder bag, comprising a front case shell, a rear case case and a pull rod. The rear case shell is provided with a concave space between the pull rods. The bottom of the concave space of the box shell is connected or separated after being disconnected through the connection structure. The present invention arranges the carry-on bag between the pull rods of the rear case shell, can fully utilize the luggage space, and can enhance the use volume, functionality and convenience of the conventional luggage.

Description

Luggage case with portable satchel

Technical Field

The invention relates to a luggage case, in particular to a portable luggage case.

Background

Luggage is an article for daily travel, but certain problems also exist, such as: 1) the front cover of the luggage case is flat, but the rear cover has a pull rod, so that a part of space is wasted; 2) when the luggage case is in a pulling-in state, the luggage case is inconvenient to take or place some temporarily used small articles from the luggage case; if the luggage case is pulled to be horizontally placed on the ground for taking, articles in the luggage case can be exposed, namely the luggage case is inconvenient and cannot protect privacy; 3) the use function is single, the clothes storage box plays a role in transporting luggage except for storing clothes, is usually stored in a home, a vehicle or a hotel, and has limitations in use function and scene;

in this regard, there is a need for a portable carrying case that enhances the volume, functionality, and convenience of conventional luggage.

Disclosure of Invention

The present invention is directed to a portable carrying case that enhances the volume, functionality and convenience of conventional luggage.

In order to achieve the purpose, the technical scheme of the invention is as follows: a suitcase with a portable satchel comprises a front case shell, a rear case shell and pull rods, wherein a concave space is arranged between the pull rods of the rear case shell, the satchel is placed in the concave space, and the satchel is connected with the bottom of the concave space of the rear case shell through a connecting structure or separated after the connection is released.

Further, the connecting structure is a magnetic buckle structure, the magnetic buckle structure comprises at least one magnet female buckle fixed on the bottom surface of the concave space of the rear box shell, and a magnet male buckle corresponding to the magnet female buckle fixed on the long woven belt of the satchel, and the magnet male buckle and the magnet female buckle have mutually attractive magnetic force.

Furthermore, the satchel is taken as a single whole and is formed by enclosing a front piece, a rear piece, side pieces and a bag cover; the upper end of the front piece is embedded with a magnet, and a short braid is sewn; long woven belts are sewn on the rear sheet; at least one magnet sub-buckle, an I-shaped hook and a magnet on the woven belt are fixed on the long woven belt; d-shaped rings are fixed at two ends of the side piece; the shoulder straps are connected with the D-shaped ring through the hooks to form the independently usable satchel.

Further, when the entire carrying bag is removed from the concave space of the rear box, the shoulder straps removed from the carrying bag and the hooks on the shoulder straps are connected to the D-shaped ring on the carrying bag to form a portable carrying bag.

Further, when the temporary article is required to be taken or put in the state before the satchel is taken out, the I-shaped buckle at the tail end of the long woven belt is pulled out from the side surface of the short woven belt and is pulled upwards by a small amplitude, and then the magnet on the long woven belt is separated from the magnet on the front part of the satchel, so that the satchel cover can be turned upwards to take or put in the article from the inner space of the satchel.

Further, in a state before the satchel is taken out, the I-shaped hook is clamped in the short woven belt, the magnet on the long woven belt is attracted with the magnet on the front part of the satchel or the long woven belt is connected with the short woven belt through a buckle, and the long woven belt is prevented from being accidentally separated in double dimensions.

Furthermore, the magnetic sub-button is provided with a T-shaped magnetic head, and the magnetic female button is internally provided with a locking elastic sheet; when the magnetic sub-button is sucked into the magnetic female button, the T-shaped magnetic head of the magnetic sub-button stretches the locking elastic sheet of the magnetic female button and then enters the magnetic female button, and after the T-shaped magnetic head is completely sucked with the magnetic female button, the locking elastic sheet is restored to the original state to clamp the T-shaped magnetic head.

Further, when the bag is fixed in the concave space by the magnetic buckle structure in a closed state, the front part of the bag is lower than the shell surface of the rear box or is flush with the shell surface of the rear box or is slightly higher than the shell surface of the rear box, and a certain gap is left between the left side, the lower side and the right side of the bag and between the left side, the lower side and the right side of the concave space, so that the bag can be prevented from being separated from the box body due to contact collision in most use situations.

Furthermore, the connecting structure is a ring-shaped piece and magnet connecting structure, two flat band-shaped ring-shaped pieces in the ring-shaped piece and magnet connecting structure are respectively arranged in the upper and lower parts of a long strip-shaped groove in the middle position of a concave space of the rear box shell, a left circular magnet and a right circular magnet are respectively arranged in the lower part of the concave space, the portable satchel is provided with a long braid, an I-shaped hook at the tail end of the long braid and a short braid, and the left magnet and the right magnet are respectively arranged on two sides of the lower end of the.

Further, when the portable satchel is installed in the back box, the I-shaped hook penetrates through the two flat band-shaped ring members from bottom to top in sequence to pull the whole satchel into the concave space, meanwhile, the right magnet at the lower end of the satchel is attracted with the left and right circular magnets corresponding to the concave space of the back box, and the I-shaped hook is folded back and inserted into the short woven belt to complete the installation of the satchel.

Further, the connecting structure is a woven belt and magic tape connecting structure, a satchel in the woven belt and magic tape connecting structure is formed by sewing and enclosing a hard front shell and a hard rear shell through zippers, metal hooks are respectively locked at the edges of the hard front shell and the hard rear shell, a rectangular groove is formed in the front face of the hard front shell, elastic woven belts with equal length are arranged in the rectangular groove, the elastic woven belts are riveted at two ends of the rectangular groove, at least one magic tape is respectively fixed at the upper end and the lower end of the front face of the hard rear shell and corresponds to the magic tape, and two magic tapes are fixed at the bottom surface of a concave space of the rear box shell; the upper end and the lower end of two sides of the concave space on the rear box shell are respectively and fixedly connected with a D-shaped buckle and a mesh belt on the D-shaped buckle; when the satchel is placed in the concave space of the back box shell, one surface of the satchel with the magic tapes is adhered and fixed with the magic tapes on the bottom surface of the concave space; the woven belts on one side of the upper end and the lower end of the two sides of the concave space on the rear box shell respectively penetrate through the elastic woven belt on the hard front shell of the satchel and are connected with the eye-splice on the woven belt on the other side.

The invention has the beneficial effects that:

1. the carry-on satchel is positioned between the pull rods of the rear box shell, and the space of the luggage box is fully utilized;

2. the portable satchel can be used in the state of taking out or not taking out the box body, and the portable satchel is matched with the shoulder belt for use after the box body is taken out;

3. one end of the long woven belt is provided with an I-shaped hook, and the long woven belt magnet and the front bag piece magnet are attracted to have double anti-falling functions and play a role in opening and closing the carry-on satchel;

4. the long braid and the magnetic sub-buckle are strung together to serve as a modular assembly, the long braid is convenient for a user to hold and lift, is easy to install and extract and not easy to fall off, saves production cost in manufacturing and is convenient to assemble.

Thus, the present invention can enhance the use capacity, functionality, and convenience of conventional luggage cases.

Drawings

FIG. 1 is a schematic front view of the general structure of a first embodiment of a luggage case with a portable carrying bag;

FIG. 2 is a schematic rear view of the general structure of a first embodiment of a luggage case with a portable carrying bag;

FIG. 3 is a schematic view of the use of the case from a satchel with shoulders;

fig. 4 is a schematic view of the first embodiment of the case with the carrying case open;

FIG. 5 is a schematic view of the bag shown in a separated condition from the body;

FIG. 6 is a first drawing illustrating the magnetic sub-button and the magnetic female button being engaged;

FIG. 7 is a second drawing illustrating the magnetic sub-button and the magnetic female button being engaged;

FIG. 8 is a schematic view of a long webbing structure in a concave space of a box;

FIG. 9 is a schematic view of the long webbing being held and pulled obliquely upward;

FIG. 10 is a schematic view of the carrying bag on the chest open for storage;

fig. 11 is a schematic view of the general structure of the luggage case with the portable satchel according to the second embodiment;

FIG. 12 is a schematic structural view of a rear cabinet according to the second embodiment;

FIG. 13 is a schematic view of the connection of the carry-on portable bag to the back box of the second embodiment;

figure 14 shows a second embodiment of the portable carrying bag and back connector;

FIG. 15 is a schematic view of the second embodiment with an attached portable bag in the back box;

FIG. 16 is a schematic illustration of a third embodiment of an accompanying portable bag placed in the back box;

FIG. 17 is a schematic view of a rear cabinet and connecting members in the third embodiment;

FIG. 18 is a schematic illustration of a rigid polycarbonate bag according to the third embodiment placed in the back box;

FIG. 19 is a schematic illustration of the rigid polycarbonate bag of the third embodiment shown pulled from the back box;

FIG. 20 is a schematic view of a rigid polycarbonate bag secured in the back box of the third embodiment.

Detailed Description

The invention is further described with reference to the following figures and examples.

The first embodiment is as follows: as shown in fig. 1 to 10, the luggage case with a portable bag includes a front case 1, a rear case 2, a drawbar 3, a handle 4, wheels 5, a bag 6, and the like. The satchel is placed in the concave space between the pull rods of the rear case shell, so that the space of the luggage case is fully utilized; the back of the satchel is buckled and connected or separated with the bottom of the concave space of the back box shell through a magnetic buckle structure.

The satchel 6 is a single whole and is enclosed by a front piece 6-1, a back piece 6-2, a side piece 6-3 and a bag cover 6-5; the magnet 6-4 is embedded in the upper end of the front piece 6-1, and a short woven belt 7 is sewn; a long woven belt 8 is sewn on the rear sheet 6-2; a first magnet sub-buckle 10-1, a second magnet sub-buckle 10-2, an I-shaped hook 9 and a magnet 11 on the woven belt are fixed on the long woven belt; d-shaped rings 13 are fixed at the two ends of the side sheet 6-3; the shoulder straps (14) are connected to the D-shaped ring (13) by hooks to form a bag which can be used independently. The first magnet sub-buckle 10-1 and the second magnet sub-buckle 10-2 are identical in structure.

The rear box shell 2 is sunken to form a concave space 15, and a first magnet female buckle 12-1 and a second magnet female buckle 12-2 are fixed on the bottom surface; the first magnet box 12-1 comprises a first locking elastic sheet 16-1, the second magnet box 12-2 comprises a second locking elastic sheet 16-2, and the first magnet box 12-1 and the second magnet box 12-2 are identical in structure.

The carrying bag is convenient to install, and when the carrying bag needs to be stored after being used, the shoulder straps 14 are separated from the D-shaped ring 13 of the carrying bag and are placed at the bottom of the carrying bag 6 after being folded; then the side of the bag 6 with the long webbing 8 is directed towards the concave space 15 in the back box 2, the two are maintained at similar heights, and the bag 6 is placed in parallel; the satchel is installed after the magnetic sub button 10-1 is attracted with the magnetic female button I12-1, the magnetic sub button 10-2 and the magnetic female button II 12-2 in a click way.

The attracting principle of the magnetic button is as follows: the first magnetic sub-buckle 10-1 and the second magnetic sub-buckle 10-2 penetrate through the long woven tape 8 and are fixed, and the relative distance between the first magnetic sub-buckle and the second magnetic sub-buckle is consistent with the relative distance between the first magnetic female buckle 12-1 and the second magnetic female buckle 12-2.

The magnetic sub button and the magnetic female button have magnetic force which is mutually attracted, when the magnetic sub button is close to the magnetic female button, the attraction force of the magnetic sub button and the magnetic female button is larger, so that the magnetic sub button is attracted into the magnetic female button; in the process of inhalation, after the T-shaped magnetic head of the magnetic sub-button 10-1 opens the locking elastic sheet 16 in the magnetic female button 12-1 and is completely attracted with the magnetic female button 12-1, the locking elastic sheet 16 can restore to the original state to block the T-shaped magnetic head. The magnetic force structure ensures that the magnetic sub-buckle can only suck in the horizontal direction and can not be pulled out, and the magnetic sub-buckle can be released only after a certain stroke of force is exerted vertically upwards; similarly, when the magnetic sub-button 10-2 and the magnetic female button 12-2 are attracted, the magnetic sub-button 10-2 can be released only after a certain displacement occurs upwards due to the force applied in the vertical direction; when the number of the magnetic male buckles fixed on the long woven belt 8 is N (not less than 1), the number of the magnetic female buckles fixed in the concave space is also N.

When the satchel is separated and used independently:

in a normal state, the satchel is fixed in the concave space 15 in a closed state by means of the magnetic buckles, the satchel is slightly lower than or level with the surface of the rear box (or slightly higher than the surface of the rear box), and the distance between the left lower part and the right lower part of the satchel and the left lower part and the right three sides of the concave space is smaller, so that the satchel can be prevented from being separated from the box body due to contact collision in most use situations;

in the state before taking out the satchel, the I-shaped hook 9 is clamped in the short woven belt 7, and the magnet 11 on the long woven belt is attracted with the magnet 6-4 on the front piece of the satchel, so that the long woven belt is prevented from being accidentally taken out in a double dimension, and the risk of being accidentally taken out in a daily use scene is almost eradicated.

A certain displacement distance is reserved between the upper surface of the satchel and the concave space, when the whole satchel needs to be taken out of the box body, the I-shaped hook 9 is obliquely drawn out from the short woven belt 7 and then is lifted upwards by a large margin, the magnet 11 on the long woven belt is firstly separated from the magnet 6-4 on the front part of the satchel in the lifting process, the satchel cover 6-5 is still attached to the satchel front cover, and the long woven belt 8 is exposed out of the longer belt body and is more beneficial to the grasping of hands. (if the mode of the buckle connection between the upper and lower woven belts is adopted, the existence of a magnet on the long woven belt is not needed.)

Holding the long woven belt and lifting the long woven belt towards the oblique upper part, wherein the force application energy of the lifted long woven belt is directly conducted on the magnetic sub-buckle; the magnetic button can obtain the power of upward displacement only within a certain angle (the box surface is a horizontal plane, and the degree is 0-35 degrees anticlockwise), and when the whole satchel is upwards displaced to a certain degree, the satchel body is inclined, and the woven belt can be taken out from the concave space 15 by continuously lifting. After the satchel is taken out, the shoulder straps 14 in the satchel are taken out and are connected with the D-shaped rings 13 on the satchel through hooks on the shoulder straps, so that the satchel can be used as a portable, fashionable and easy-to-use carry-on satchel.

The embodiment of opening the satchel to take and store:

the satchel 6 is fixed in the concave space 15 of the back box shell 2 by two magnetic buckles in a normal state; if the temporary articles need to be taken or put in, the I-shaped hook 9 at the tail end of the long woven belt 8 is pulled out from the side surface of the short woven belt 7 and lifted upwards by a small amplitude, so that the magnet 11 on the long woven belt can be separated from the magnet 6-4 on the front part of the bag, and then the bag cover 6-5 is turned upwards, so that the articles can be taken or put in from the inner space of the satchel; after the article is taken, the I-shaped hook 9 is put down, one end of the long woven belt and the bag cover 6-5 are driven to fall down under the action of gravity, then the magnet 11 on the long woven belt and the magnet 6-4 on the front bag piece are naturally attracted, and the I-shaped hook 9 is laterally inserted into the short woven belt 7 to complete the taking and placing of the article. After falling down, the long woven belt 8 is attached to the front cover sheet 6-1 in a magnetic attraction manner, and the cover 6-5 is clamped in the front cover sheet to play a closing role.

Example two: as shown in fig. 11 to 15, a concave space 15 between the pull rods is arranged on the rear box shell 2, a strip-shaped slot position 20 is arranged in the center, at least one upper and lower flat band-shaped ring piece 17-1 and 17-2 is fixed on the strip-shaped slot position 20, and left and right circular magnets 18-1 and 18-2 are fixed on two sides of the lower end of the concave space 15; correspondingly, the portable satchel 6 is provided with a long woven belt 8, a I-shaped buckle 9 at the tail end of the long woven belt, a short woven belt 7 and fixed left and right magnets 19-1 and 19-2.

Specifically, the method comprises the following steps: the upper and lower flat belt-shaped annular pieces 17-1 and 17-2 are hollow, the hollow width and height are larger than the size of the I-shaped hook 9 at the tail end of the long woven belt, and the hollow width and height are fixed in the elongated slot position 20 through a stud at the back side; when the portable satchel 6 needs to be installed on the rear box shell 2, the I-shaped hook 9 is separated from the short woven belt 7, the long woven belt is pulled open, the I-shaped hook 9 sequentially penetrates through the upper flat belt-shaped ring piece 17-1 and the lower flat belt-shaped ring piece 17-2 from bottom to top, then the I-shaped hook 9 is continuously stretched until the portable satchel 6 is integrally pulled into the concave space 15, at the moment, the left magnet 19-1 and the right magnet 19-2 at the lower end of the portable satchel 6 attract the left magnet 18-1 and the right magnet 18-2 at the corresponding positions in the concave space due to magnetic force, and then the I-shaped hook 9 at the tail end of the long woven belt is inserted into the short woven belt 7 again to finish the installation of the.

The packet taking process is vice versa: when the portable bag 6 is secured to the back box 2, the i-hook 9 is withdrawn from the short strap 7, the bottom of the portable bag 6 is held and pulled to separate the left and right magnets 19-1, 19-2 from the left and right circular magnets 18-1, 18-2 within the concave space 15, and then moved from top to bottom, while the long strap follows the bag and is withdrawn from the upper and lower strap-like rings 17-2, 17-1 in sequence, and the i-hook 9 is then reinserted into the short strap 7 to hook the shoulder straps 14 to the D-ring 13 to form a complete bag.

Example three: the portable carrying bag 6 can be in various forms and materials, including but not limited to soft and hard cloth, leather, braided fabric, hard plastic, aluminum, soft and hard material combination, etc.; the structure of a rigid polycarbonate bag will be described below with reference to fig. 16 to 20.

The portable satchel 6 is formed by enclosing a polycarbonate hard front shell 21 and a polycarbonate hard rear shell 22 by zipper sewing, a left metal hook 23 is locked at the edge of the front shell 21, and a right metal hook 24 is locked at the edge of the rear shell 22; a rectangular groove is formed in the front face of the front shell 21, an elastic braid 25 with equal length is arranged in the rectangular groove, the elastic braid 25 is riveted at two ends of the rectangular groove, and the middle parts of the elastic braid 25 and the rectangular groove are separated; at least one upper magic tape 31-1 and one lower magic tape 31-2 are fixed on the front surface of the hard shell 22, and a left magic tape 29-1 and a right magic tape 29-2 are fixed on the bottom surface of the concave space 15 of the rear cabinet shell 2 correspondingly;

the rear box shell 2 is provided with a concave space 15, and the two sides of the concave space are fixed with a left upper D-shaped buckle 26-1 and a left lower D-shaped buckle 26-2 and a right upper D-shaped buckle 26-3 and a right lower D-shaped buckle 26-4; the position of the D-shaped buckle is flush with the surface of the rear box shell 2; a left upper woven belt 27-1 is fixed on the left upper D-shaped buckle 26-1, a left lower woven belt 27-2 is fixed on the left lower D-shaped buckle 26-2, a right upper woven belt 27-3 is fixed on the right upper D-shaped buckle 26-3, and a right lower woven belt 27-4 is fixed on the right lower D-shaped buckle 26-4; the left upper mesh belt 27-1 is connected with the right upper mesh belt 27-3 through an upper eye-splice 28-1; the left lower mesh belt 27-2 is connected with the right lower mesh belt 27-4 through a lower eye-splice 28-2.

The specific bag taking process comprises the following steps: when the portable satchel 6 is fixed on the back box shell 2 and needs to be taken out, the upper eye-splice 28-1 and the lower eye-splice 28-2 are pinched open; the upper right mesh belt 27-3 is drawn out from the elastic mesh belt 25, and the lower right mesh belt 27-4 is drawn out from the elastic mesh belt 25 in the same way; after the portable satchel 6 is held, force is applied to separate the upper and lower magic tapes 32-1 and 32-2 from the left and right magic tapes 29-1 and 29-2 at the bottom of the concave space 15, so that the portable satchel 6 is taken out, after the portable satchel 6 is pulled open to take out the shoulder strap 30, the left and right spring hooks 31-1 and 31-2 on the shoulder strap are combined with the left metal hook 23 and the right metal hook 24, so that the complete, portable and flexible portable satchel 6 is formed.

The specific installation process is as follows: the left and right spring hooks 31-1 and 31-2 of the shoulder strap 30 are released from the left and right metal hooks 23 and 24, and can be put into the portable satchel 6 or the whole box for storage; pressing the surface of the portable satchel 6 with the magic tape close to and on the bottom surface of the concave space 15, so that the two are adhered and fixed; the right upper mesh belt 27-3 penetrates through the elastic mesh belt 25 to be connected with the left upper mesh belt 27-1 through an upper eye-splice 28-1, and the right lower mesh belt 27-4 penetrates through the elastic mesh belt 25 to be connected with the left lower mesh belt 27-2 through a lower eye-splice 28-2; therefore, the satchel can be conveniently and firmly fixed in the back box shell through the hard connection of the magic tape and the mesh belt buckle; in addition, the connection mode of the magic tape can be equivalently replaced by a magnetic connection or other structures with a snap connection.

Claims

1. A suitcase with a portable satchel, which comprises a front case (1), a rear case (2) and a pull rod (3), and is characterized in that: a concave space is arranged between the pull rods (3) of the rear box shell, a satchel (6) is arranged in the concave space, and the satchel (6) is connected with the bottom of the concave space of the rear box shell (2) through a connecting structure or separated after the connection is released.

2. The portable carrying case of claim 1, further comprising: the connecting structure is a magnetic buckle structure, the magnetic buckle structure comprises at least one magnet female buckle fixed on the bottom surface of the concave space (15) of the rear box shell (2), and a magnet male buckle corresponding to the magnet female buckle fixed on the long woven belt of the satchel (6), and the magnet male buckle and the magnet female buckle have mutually attracted magnetic force.

3. The portable carrying case of claim 2, further comprising: the satchel (6) is formed by enclosing a front piece (6-1), a rear piece (6-2), a side piece (6-3) and a bag cover (6-5) as a single whole; the upper end of the front piece (6-1) is embedded with a magnet (6-4) and is sewn with a short woven tape (7); a long woven belt (8) is sewn on the rear sheet (6-2); at least one magnet button, an I-shaped hook (9) and a magnet (11) on the woven belt are fixed on the long woven belt; d-shaped rings (13) are fixed at the two ends of the side piece (6-3); the shoulder straps (14) are connected with the D-shaped ring (13) through hooks to form a satchel which can be independently used.

4. The portable carrying case of claim 3, further comprising: when the whole satchel is taken out from the concave space (15) of the back box shell (2), the shoulder belt (14) and the hook on the shoulder belt taken out from the satchel (6) are connected with the D-shaped ring (13) on the satchel to be used as a portable carry-on satchel.

5. The portable carrying case of claim 3, further comprising: when the temporary used article needs to be taken or put in under the state before the satchel is taken out, the I-shaped hook (9) at the tail end of the long woven belt (8) is pulled out from the side surface of the short woven belt (7) and lifted upwards by a small amplitude, and then the magnet (11) on the long woven belt (8) is separated from the magnet (6-4) on the front part of the satchel, so that the satchel cover (6-5) can be turned upwards, and the article can be taken or put in from the inner space of the satchel.

6. The portable carrying case of claim 3, further comprising: in the state before taking out the satchel, the I-shaped hook (9) is clamped in the short woven belt (7), and the magnet (11) on the long woven belt and the magnet (6-4) on the front part of the satchel are attracted mutually or the long woven belt and the short woven belt are connected by a buckle, so that the long woven belt is prevented from being accidentally separated in double dimensions.

7. The portable carrying case of claim 2, further comprising: the magnetic sub-button is provided with a T-shaped magnetic head, and the magnet female button is internally provided with a locking elastic sheet (16); when the magnetic sub-button is sucked into the magnetic female button, the T-shaped magnetic head of the magnetic sub-button stretches the locking elastic sheet (16) of the magnetic female button and then enters the magnetic female button, and after the T-shaped magnetic head is completely sucked with the magnetic female button (12-1), the locking elastic sheet (16) restores to the original state and blocks the T-shaped magnetic head.

8. The portable carrying case of claim 2, further comprising: when the bag is fixed in the concave space (15) by the magnetic buckle structure in a closed state, the front part of the bag is lower than the shell surface of the rear box or is flush with the shell surface of the rear box or is slightly higher than the shell surface of the rear box, and a certain gap is left between the left, lower and right sides of the bag and the left, lower and right sides of the concave space, so that the bag can be prevented from being separated from the box body due to contact collision in most use situations.

9. The portable carrying case of claim 1, further comprising: the portable satchel is characterized in that the connecting structure is a ring piece and magnet connecting structure, two flat strip-shaped ring pieces in the ring piece and magnet connecting structure are respectively arranged on the upper portion and the lower portion of a long strip-shaped groove (20) in the middle of a concave space (15) of the rear box shell (2), a left round magnet and a right round magnet are respectively arranged in the lower portion of the concave space (15), a long woven belt (8), an I-shaped hook (9) at the tail end of the long woven belt and a short woven belt (7) are arranged on the portable satchel (6), and a left magnet and a right magnet are respectively arranged on two sides.

10. The portable carrying case of claim 8, wherein: when the portable satchel (6) is installed in the rear box shell (2), the I-shaped hook (9) sequentially penetrates through the two flat band-shaped annular members from bottom to top to pull the whole satchel (6) into the concave space (15), meanwhile, the right magnet positioned at the lower end of the satchel (6) is attracted with the corresponding left and right circular magnets in the concave space of the rear box shell (2), and the I-shaped hook (9) is folded back and inserted into the short woven belt (7) to complete the installation of the satchel.

11. The portable carrying case of claim 1, further comprising: the connecting structure is a woven belt and magic tape connecting structure, a satchel (6) in the woven belt and magic tape connecting structure is formed by sewing and closing a hard front shell (21) and a hard rear shell (22) through zippers, metal hooks are respectively locked at the edges of the hard front shell (21) and the hard rear shell (22), a rectangular groove is formed in the front surface of the hard front shell (21), elastic woven belts (25) with equal length are arranged in the rectangular groove, the elastic woven belts (25) are riveted at two ends of the rectangular groove, at least one magic tape is respectively fixed at the upper end and the lower end of the front surface of the hard rear shell (22) and corresponds to the magic tape, and two magic tapes are fixed on the bottom surface of a concave space (15) of the rear box shell (2); the upper end and the lower end of two sides of the concave space (15) on the rear box shell (2) are respectively and fixedly connected with a D-shaped buckle and a mesh belt on the D-shaped buckle; when the satchel (6) is placed in the concave space (15) of the back box shell (2), one surface of the satchel (6) with the magic tape is adhered and fixed with the magic tape on the bottom surface of the concave space (15); the woven belts on one side of the upper end and the lower end of the two sides of the concave space (15) on the back box shell (2) respectively penetrate through the elastic woven belt (25) on the hard front shell (21) of the satchel (6) and are connected with the eye-splice on the woven belt on the other side.