KR20020068856A - Bottom case of bag - Google Patents

Abstract

The present invention relates to a bag bottom plate made of synthetic resin, the opening and closing cover of the fabric is sewn in the opening of the front and the elastic handle is installed in the rear and the wheel is installed in the lower by the wheel mounting shaft and the elastic support member for supporting the bag In the bag bottom plate that is elastically installed on the surface, the plate-shaped handle mounting portion (1c) formed to surround the elastic handle (3) to the rear portion of the main body (1a) with the front opening is integrally formed on the rear of the main body (1a) And a handle support portion 1d integrally formed on the inner side of the handle mounting portion 1c and the corresponding body 1a to fix the outer side of the stretchable handle 3, and to the inner circumferential surface of the body 1a. Protruding wall 9 is formed at a predetermined interval to form a seating groove 9a between the inner circumferential surface of the main body 1a and the projecting wall 9, and the shock absorbing material 9 'is seated in the seating groove 9a. And both sides of the lower surface of the main body 1a. Forming the wheel mounting portion (1f) to the wheel 4 is installed to the corner portion, and the wheel mounting member 20, which is integrally provided with the wheel (4) to the outside, respectively screwed together so that they can be separated separately from the body (1a) In the center front of the lower surface of the main body 1a, each of the fixing members 71 integrally formed with the support mounting portion 7 is screwed, and the fixing grooves 7c and the stepped ends are supported at both ends of the support mounting portion 7. Guide grooves 7a and 7b, each of which is formed integrally with 7d, are provided, and a support 7 'with both ends bent outwardly between the guide grooves 7a and 7b is seated, and then the support 7 ') Is fixed to the outside of the support mounting portion 7 so that the support (7') is folded back and forth along the guide groove (7a) (7b) fixed guides (7a) (7b) on both sides ( 7c) is fixed to the other side and at the same time folded to the other side by the stepped jaw (7d) configured to be fixed while maintaining a constant angle with the lower surface of the body (1a) Bag bottom plate of the present invention is easy to plastic injection molding because the side wall as high as the side height of the entire bag, and also reinforces the circumferential surface and integrally forms each mounting portion to install the elastic handle, handle and wheels, etc. It can be mass-produced and attached to the bag quickly and easily so that the bag can be manufactured more easily and the reinforcing frame and shock absorber can be installed inside and outside the bag. It can completely solve the problem of damaged or damaged goods, so it is safer and more convenient to store and move electronic products such as notebooks or glass products that are concerned about the damage even with a slight impact, and also heavier items such as bowling balls Even if it is stored, problems such as deformation or damage of the bag This would have the advantage of not at all.

Description

Bag bottom plate {BOTTOM CASE OF BAG}

The present invention relates to a bag bottom plate made of a synthetic resin, and in particular, by increasing the side wall to sew a thin opening and closing cover made of cloth to the front opening and reinforcing the circumferential surface to realize mass production by molding processing and to quickly The present invention relates to an improved invention of the US Patent Registration No. 5,607,175 for the bottom of the bag, which allows for easy manufacture and at the same time allows for safe storage and movement of the goods stored in the bag.

In general, a bag can be transported with important items or necessities, and the cloth, writing utensils, chae and toiletries are neatly embedded and can be lifted or dragged and carried by manpower.

Thus, there is a conventional bag and plate filed by the present applicant at home and abroad, which is the same as domestic Utility Model Publication No. 96-8631 and US Patent No. 5,607,175.

That is, in the conventional bag bottom plate, the bag bottom plate with side walls is provided with a plurality of support frames on the bottom surface to support the handle device, and forms a structure in which one end hollow hole is integrally formed.

Since the wheel and the telescopic handle can be installed on the bottom plate made in this way, it is easy to manufacture the bag, the appearance of the manufactured bag is beautiful and it is possible to manufacture a solid bag.

However, the side wall of the bag is conventionally provided, but most of the thickness of the bag is the thickness of the cover that is sewn on the periphery of the opening of the bag bottom plate, when the thick bottom of the bag is a weak side wall is easy to be wobbly is not strong. have.

In addition, the thickness of the sidewalls can be increased while increasing the height of the sidewalls as described above, so that they can be made firm without being wobbly, but this makes the weight of the bag uncomfortable to use and increases the amount of material used for the manufacture of the bag. This has the disadvantage of increasing the unit price of the product.

The present invention has been made to solve the problems of the prior art as described above, the object of the present invention is to reinforce the inner and outer circumferential surface with a high side wall, and to install each of the expansion handles, handles, wheels, etc. By integrally forming the mounting portion of the present invention to realize a mass production by molding processing and to provide a bag base plate that can quickly and easily manufacture the bag.

1 is an exemplary view showing a bag bottom plate of the present invention

Figure 2 is a front view of the bag base plate of the present invention.

Figure 3 is an exemplary view of combining the wheel and the support on the bottom plate of the present invention

Figure 4 is an embodiment of the support of the present invention

5,6 is an exemplary view of a bag applied to the bottom plate of the present invention.

Figure 7 is an embodiment of applying the storage groove to the bottom plate of the present invention

8 is an exemplary view of a bag to which the bag bottom plate of FIG. 7 is applied.

Figure 9 is an illustration of a rotary wheel applied to the bottom of the bag of the present invention.

10 is an exemplary view of a bag to which the rotary wheel of the present invention is applied.

11 and 12 is another embodiment of the rotating wheel of the present invention.

Figure 13 is an exemplary view of another bag to which the rotary wheel of Figure 11 is applied.

14 is another embodiment of the present invention.

Figure 15 is another embodiment of the border formed on the periphery of the bag base plate of the present invention.

Figure 16 is an exemplary view showing a stretch handle applied to the bottom plate of the present invention

17 is an enlarged exemplary view showing the stretchable support tube of the present invention.

FIG. 18 is an enlarged view illustrating a portion of FIG. 17.

19 is an enlarged view illustrating a portion 'B' of FIG. 17.

20 is an exemplary enlarged partial cross-sectional view of 'multi' of FIG.

Figure 21,22 is a conventional stretch handle assembly diagram that can be applied to the present invention.

* Code descriptions for the main parts of the drawings

1: bag base 1a: body

1b: annular reinforcement frame 1c: handle mounting portion

1d: Handle support part 1e: Wheel mounting part

100: bag 2: opening and closing cover

20: wheel support member 2a: insertion portion

3: extension handle 3a, 3b: handle

31: handle operating portion 32: operating handle

32 ': spring 32a: operating table

33: fixing protrusion 33 ': fixing pin

34: pivot stand 34 ': connecting rod

35: release part 35 ': ball seating groove

35a: fixed ball 35b: pressing plate

35c: shock absorber spring 35d: pusher

36: press cover 37: locking part

38: fixing groove 39: the first support pipe

39 ': second support pipe 39a: third support pipe

39b: fourth support tube 39f: insertion portion

39g: Fixed protrusion 39h: Breakaway prevention

4 wheel 4c rotating wheel

5: stretchable support member 6: support member

7: support mounting portion 7 ': support

7a, 7b: guide groove 7c: fixed groove

7d: step 71: holder

8: storage space 9: stone wall

9 ': shock absorber 9a: seating groove

901: Hinge

The present invention is the opening and closing cover of the fabric is sewn in the opening of the front and the elastic handle is installed on the rear and the wheel is installed on the lower portion by the wheel mounting shaft, the elastic support member for supporting the bag is installed on the bottom surface of the bag to stretch To

The main body 1a is formed in the rear portion of the main body (1a) is formed to surround the expansion handle 3, the plate-shaped handle mounting portion (1c) is formed integrally with the back of the main body (1a) and the body corresponding to the handle mounting portion (1c) On the inner side of (1a) is formed integrally the handle support (1d) for fixing the outer portion of the stretch handle (3), and the protruding wall (9) is formed at regular intervals to the inner peripheral surface of the main body (1a) A recess 9a is formed between the inner circumferential surface of the main body 1a and the protruding wall 9, and the shock absorbing material 9 'is seated in the seating recess 9a to damage the article stored in the main body 1a. Configure to completely solve problems such as damage,

The wheel mounting member 20 is formed by forming the wheel mounting portion 1e in which the wheels 4 are installed at both rear and rear corners of the lower surface of the main body 1a, respectively. By combining them to separate each other,

As shown in FIGS. 3 and 4, the center front surface of the lower surface of the main body 1a is respectively screwed to the support base 71 in which the support mounting unit 7 is integrally formed, and is provided at both ends of the support mounting unit 7. Guide grooves 7a and 7b each having a fixed groove 7c and a stepped portion 7d integrally formed therein, and a support 7 'having both ends bent outwardly between the guide grooves 7a and 7b. After seating, both ends of the support 7 'are protruded and fixed to the outside of the support mounting portion 7 so that the support 7' is folded back and forth along the guide grooves 7a and 7b, thereby guiding the grooves 7a and 7b. The guide is supported when the main body 1a is erected by being fixed to the fixing grooves 7c on both sides and being fixed while maintaining a certain angle with the lower end surface of the main body 1a when the other side is folded. Detachable from the grooves (7a) and (7b) by folding and fixing to the step of the other end of the guide grooves (7a) and (7b), the support (7 ') is a certain angle by the step of the guide grooves (7a) (7b) Maintaining the main body (1a) while maintaining it maintains a constant interval with the lower side of the zipper type opening and closing cover (2) which is sealed to the front of the main body (1a) when opening and closing the cover (2) of the user's hand support (7) It is to be able to open and close completely without standing the main body (1a) without being disturbed.

In addition, a plurality of annular reinforcement frames 1b are formed on the outer circumferential surface of the main body 1a, so that even when the height of the main body 1a is increased, the main body 1a is not bent and maintained firmly as shown in FIGS. (1a) Since a certain position of the rear part is joined to the inside of the main body 1a to form a storage space 8, and the zipper type opening and closing cover 2 is sealed to the outer circumferential surface thereof so as to secure a separate storage space.

In addition, as shown in FIG. 9, the wheel supporting member 20 extends forward of the lower surface of the main body 1a, and the rotary wheels 4c rotated 360 ° on both sides thereof, respectively, to free the main body 1a. To make it moveable.

In addition, as shown in FIG. 11, the wheel supporting member 20 is opened and the hinge 901 is installed at the center thereof so that the wheel supporting member 20 can be folded, thereby opening and closing the bag at the center of the main body 1a. Will be made.

In addition, as shown in Figure 16, the handle mounting portion (1c) of the main body (1a) is provided with a handle operating portion 31 to the upper end and fixed to insert the spring 32 'into the inner bottom of the spring 32' The operation handle 32 having the operating table 32a integrally provided at both sides thereof so as to be movable by the spring 32 'so that the operation handle 32 is movable in the handle mounting portion 1c and the operation handle 32 1.2.3.4 support tubes (39) (39 ') (39a) (39b) stacked in multiple stages to the operating table (32a) provided on both sides to be made stretchable,

The first support pipe (39) is installed on the upper side of the operating handle (32) on both sides of the operating table (32a) to install the pivoting table (34) coupled with the fixing protrusion (33) and the fixing pin (33 ') and to the lower side. Fixing ball 35a which partially protrudes outward from the first support pipe 39 on one side of the locking release member 35 by installing a locking release member 35 interconnected with the pivot 34 as a connecting rod 34 '. The first support tube 39 is formed by covering the pressing cover 36 through which the fixing ball 35a penetrates to the outer periphery of the ball seating groove 35 'having a different seating depth so as to seat the seat.

Fixing ball seated in the release member 35 of the first support tube 39 by inserting the first support tube 39 into the upper portion of the second support tube 39 'formed with a fixing groove 38 on the upper side. 35a is fitted into the fixing groove 38 above the second supporting pipe 39 '.

The second support pipe 39 ′ protrudes above the release member 35 to catch the pressing plate 35 b, which is rubbed with the pressing cover 36 of the first support pipe 39 at the inner lower portion thereof, and the shock absorbing spring 35 c. Multi-stage where the screw is installed on the upper end of the pressing stand 35d, and the fixing ball 35a is seated on one side of the locking release member 35 in the same manner as the locking release member 35 of the first support 39. The ball seating groove 35 'of the upper portion is formed by covering the pressing cover 36 through which the fixed ball 35a penetrates to the outer circumference, and then the upper and lower portions of the third support pipe 39a having the fixing groove 38 inward. By inserting the fixing ball (35a) seated on one side of the release member 35 of the second support pipe (39 ') is inserted into the upper fixing groove (38) of the third support pipe (39a),

The third support tube 39a is integrally formed in the rear portion of the main body 1a and is provided on both sides of the locking portion 37 that fixes the upper portion of the fourth support tube 39b to the lower side of the third support tube 39a. The lower end of the third support pipe (39a) is inserted into the fixing ball (35a) that is fixed by the spring 32 'on the upper side of the locking portion 37 by inserting the ends, respectively, to fix the configuration. and,

Fixing protrusions 39g are provided at the upper end portions of the first support pipe 39 and the mutual insertion portions 39f of the first, second, third, and fourth support pipes 39, 39 ', 39a, and 39b, respectively. The operation handle 32 on both sides of the operation handle 32 can be pulled by pulling the operation handle 32 toward the handle installation portion 31 when the extension handle 3 is operated while installing the extension handle 3 through the separated release prevention means 39h. As the 32a moves upward, the pivoting bands connected to the first support pipes 39 on both sides move upward along the operating table 32a, and pull up the release member 35 connected to the connecting rod on the lower side thereof.

In this way, the locking release member 35 moved to an upper portion of the ball seating groove 35 'formed at one side thereof is fixed to the first support tube 39 and the second support tube 39'. ), So that the fixed ball 35a falls into the ball seating groove 35 'and releases the bond between the first support pipe 39 and the second support pipe 39'. The first and second support tubes 39 and 39 'released as described above are released from the first support tube 39 while the first support tube is inserted into the second support tube by the user's pressing force. The press cover 36 installed on the outside presses the pressing plate 35b of the release member 35 located in the lower inner side of the second support pipe 39 ', and the pressing plate 35b has a shock spring 35c. By pressing the pressing stand 35d again, the locking release member 35 is moved downward.

At this time, the ball seating groove (35 ') of the above-described configuration is formed on one side of the locking release member (35) which is moved to the lower side, so that the second support pipe (39') and the third support pipe (39a) The fixed ball 35a is positioned in line with each other so that the fixed ball 35a falls into the ball seating groove 35 ', thereby binding the second support pipe 39' and the third support pipe 39a. It will be released and continue to be completely inserted into the fourth support tube (39b) by the user's pressing force.

Of course, the extension handle (3) may be applied to the height adjustment device of the handle registered in the Utility Model Registration No. 183461 by the present applicant as an example, as shown in FIG. 12 is installed to be movable in the longitudinal direction, the strip concave-convex member 13 is installed at the center of the outer pipe 11, the fixing member 14 is fixed or released in close contact with the strip concave-convex member 13 It is installed on the inner pipe 12 to be in contact with one side of the, one end of the wire 15 is connected to the fixing member 14 and the other end is connected to the release member 16, the release release The member 16 is elastically supported by the elastic member 17, the operation member 18 for operating the release member 16 is installed between the release member 16 and the handle portion 19 Is done.

In addition, as shown in FIG. 21 as another example of the expansion handle 3, the inner pipe 22 is installed in the two outer pipes 21 of the rectangular cross section so as to be movable in the longitudinal direction, respectively, Each of the strip uneven members 23 is installed on the outer pipe 21, and the fixing member 24, the wire 25, the release member 26, the elastic member 27, and the handle 29 are provided in the same manner as described above. ) Is installed.

Of course, the expansion handle (3) is composed of a plurality of pipes can be installed in a flexible stretch in multiple stages.

Accordingly, the user can operate the operation member 18 or the release member 26 that can be operated in the handles 19 and 29 to stretch the stretch handle 3 to the desired length.

In addition, in the present invention, the bag bottom plate 1 is provided with a handle 3a for lifting the bag 100 by a hand, and a handle 3b for lifting the bag by hand on one side of the main body 1a. Is installed, on the other side of the body (1a) a plurality of support members 6 for supporting the bag base plate 1 can be installed separately.

As described above, since the bag bottom plate according to the present invention increases the side wall by the height of the side of the whole bag, it is easy to reinforce the circumferential surface, and to form the respective mounting parts to install the elastic handle, the handle and the wheels integrally. It can be mass-produced easily by plastic injection molding, and the accessories used in the bag can be attached quickly and easily so that the bag can be manufactured more easily and the reinforcement frame and shock absorber can be installed on the inside and outside of the bag. This makes it possible to completely eliminate the problem of damage to or damage to the items stored in the bag.It is safer and more convenient to store and move electronics and glass products such as laptops, which may be damaged even with a slight impact. Even if you store heavy items, the sides of the bag The problems of being damaged or will have an advantage no.

Claims (6)

In the bag bottom plate that the opening and closing cover of the fabric is sewn in the opening of the front side, the elastic handle is installed at the rear, the wheel is installed at the bottom by the wheel mounting shaft, and the elastic support member supporting the bag is elastically installed at the lower surface. The main body 1a is formed in the rear portion of the main body (1a) is formed to surround the expansion handle 3, the plate-shaped handle mounting portion (1c) is formed integrally with the back of the main body (1a) and the body corresponding to the handle mounting portion (1c) On the inner side of (1a) is formed integrally the handle support (1d) for fixing the outer portion of the stretch handle (3), and the protruding wall (9) is formed at regular intervals to the inner peripheral surface of the main body (1a) The mounting groove 9a is formed between the inner circumferential surface of the main body 1a and the protruding wall 9, and the shock absorbing material 9 'is seated in the mounting groove 9a. Screw-mounted wheel mounting members 20 each having a wheel 4 integrally formed thereon are formed with wheel mounting portions 1f on which the wheels 4 are installed at both rear and rear corners of the lower surface of the main body 1a. So that they can be separated separately from the body (1a), In the center front surface of the lower surface of the main body 1a, each of the fixing members 71 integrally formed with the support mounting portion 7 is screwed, and the fixing grooves 7c and the stepped portions 7d are provided at both ends of the support mounting portion 7. ) Is provided with a guide groove (7a) (7b) formed integrally with each other, and seat the support (7 ') both ends bent outward between the guide groove (7a) (7b) inside the guide groove (7'). Fixing both ends of the support mounting portion (7) protruding fixed to the support 7 'is folded back and forth along the guide grooves (7a) (7b) while the guide grooves (7a) (7b) fixing grooves (7c) on both sides A bag bottom plate configured to be fixed while being fixed to the bottom surface of the main body 1a by the stepped portion 7d when being folded and fixed to the other side. The bag bottom plate according to claim 1, wherein a plurality of annular reinforcing frames (1b) are integrally formed on the outer circumferential surface of the main body (1a). The bag bottom plate according to claim 1, wherein a predetermined position of the rear part of the main body (1a) is incorporated into the main body (1a) to form a storage space (8), and the zipper opening and closing cover (2) is sealed to the outer peripheral surface thereof. The rotating wheel 4c according to claim 1, wherein the wheel mounting members 20 installed at both rear and rear corners of the lower surface of the main body 1a are extended to a predetermined length to the lower front part of the main body 1a, and then rotated 360 ° to both sides thereof. Attached to the bottom of the bag. The bag base plate according to claim 6, wherein the center of the wheel mounting member 20 is cut to allow the wheel support member 20 to be folded through the hinge 901 respectively. The plate-shaped handle mounting portion 1c formed in the rear portion of the main body 1a to surround the elastic handle 3 is provided with a handle operating portion 1c as an upper end and a spring 32 'is inserted into and fixed to the inside thereof. Next, the operating handle 32 is integrally provided with the operating table 32a on both sides under the spring 32 'so that the operating handle 32 flows from the handle mounting portion 1c by the spring 32'. It is possible to stretch the movable handle (32a) provided on both sides of the operating handle (32) by connecting the 1.2.3.4 support tubes 39, 39 '(39') (39a) (39b) stacked in multiple stages, The first support pipe (39) is installed on the upper side of the operating handle (32) on both sides of the operating table (32a) to install the pivoting table (34) coupled with the fixing protrusion (33) and the fixing pin (33 ') and to the lower side. Fixing ball that partially protrudes outward from the first support pipe 39 on the upper and lower sides of the locking release member 35 by installing the locking release member 35 interconnected with the pivot 34 as the connecting rod 34 '( The first support pipe 39 is formed by including a pressing cover 36 through which the fixing ball 35a penetrates and has a ball seating groove 35 'having a plurality of seating depths different from the seating depth so as to seat 35a). , Fixing ball seated in the release member 35 of the first support tube 39 by inserting the first support tube 39 into the upper portion of the second support tube 39 'formed with a fixing groove 38 on the upper side. 35a is fitted into the fixing groove 38 above the second supporting pipe 39 '. The second support pipe 39 ′ protrudes above the release member 35 and engages the pressing plate 35 b in friction with the pressing cover 36 of the first support pipe 39. 35c) is installed on the upper end of the pressing stand (35d) and the fixing ball (35a) on the upper and lower sides of the locking release member (35) in the same manner as the locking release member (35) of the first support (39). The third support pipe (39a) having a multi-stage ball seating groove (35 ') to be seated to cover the pressing cover 36 through which the fixed ball (35a) penetrates outwardly and then has a fixing groove (38) in the upper and lower parts. Inserted into the upper inner side so that the fixing ball (35a) seated on one side of the release member 35 of the second support tube (39 ') is fitted into the upper fixing groove (38) of the third support tube (39a), The third support tube 39a is integrally formed at the rear portion of the main body 1a and is provided on both sides of the locking portion 37 that fixes the upper portion of the fourth support tube 39b to the lower side of the third support tube 39a. The stages are respectively inserted and fixed by inserting the lower fixing groove 38 of the third support pipe 39a into the fixing ball 35a which is elastically fixed by the spring 32 'on the upper side of the locking portion 37. and, Fixing protrusions 39g are provided at the upper end portions of the first support pipe 39 and the mutual insertion portions 39f of the first, second, third, and fourth support pipes 39, 39 ', 39a, and 39b, respectively. Bag bottom plate with elastic handle (3) made through the escape lock (39h).