JPH0511816U - External structure of a synthetic resin suitcase - Google Patents

Abstract

(57) [Abstract] [Purpose] To improve the bonding strength of casters and legs attached to the outer surface of the suitcase body while reducing the weight and manufacturing cost. [Structure] A pair of caster mounting legs 45 is provided on the outer surface of each of the right side walls 5 and 14 of the suitcase body formed of synthetic resin. A hollow portion 46 is formed on the caster mounting leg 45, and a flat seat surface 47 is formed at the end portion, and the caster 23 is mounted on the seat surface 47. In addition, a pair of legs 48 are provided on the outer surfaces of the rear walls 7 and 16 of the suitcase body, and the legs 48 are provided on the rear walls 7 and 18.
In addition to being injection molded integrally with
A hollow portion 49 is formed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of a synthetic resin suitcase.

[0002]

[Prior Art]

 The conventional synthetic resin suitcases shown in FIGS. 4 to 7 are generally used. That is, as shown in FIGS. 4 and 5, the suitcase body 1 is composed of a lower case 2 and an upper case 3. The lower case 2 is a container body integrally having left and right side walls 4, 5 and front and rear walls 6, 7 and a bottom wall 8 and having an opening 9 on an upper surface thereof, which is injection-molded with a synthetic resin. There is. A recess 20 is formed along the peripheral edge of the opening 9 at the end edges of the left and right side walls 4, 5 and the front wall 6, and the front wall 6 has a dial lock 10 and a first handle. 11 and buckles 12 and 12, and a second handle 22 is provided on the left side wall 4.

On the other hand, the upper case 3 is a container body that integrally has left and right side walls 13 and 14, front and rear walls 15 and 16 and an upper wall 17 and has an opening 18 on a lower surface thereof. It is injection molded with resin. The rear wall 16 of the upper case 3 is pivotally supported by the rear wall 7 of the lower case 2 via a hinge 19, and the openings are formed at the end edges of the left and right side walls 15, 14 and the front wall 15. A convex portion 21 that fits into the concave portion 20 is formed along the peripheral edge of the portion 18.

Further, a pair of casters 23 is attached to the outer surfaces of the right side walls 5 and 14 of the lower case 2 and the upper case 3, respectively. As shown in FIG. A holder portion 23b that rotatably supports 23a and a base portion 23c that rotatably supports the holder portion 23b. The base portion 23c is locked to a bracket 24 made of synthetic resin, and the bracket 24 is screwed to each of the right side walls 5 and 14 by a plurality of screws 27 screwed from the inside of the suitcase body 1. Being dressed Further, a pair of legs 28 are attached to the outer surfaces of the rear walls 7 and 16 of the lower case 2 and the upper case 3, respectively. As shown in FIG. A pair of bosses 28b, 28b integrally formed inside the leg body 28a, and a plurality of screws 31 screwed into the bosses 28b, 28b from the inside of the suitcase body 1 It is screwed to each rear wall 7, 16.

In such a structure, the second handle 22 is placed in a vertical position with the upper position thereof, the roller 24 is grounded, and the roller 23a is rolled, while the suitcase body 1 is moved, whereby the luggage is loaded. It is possible to convey the suitcase body 1 that has been housed and has become heavy with a slight force. Further, the suitcase main body 1 can be localized at an arbitrary position by placing the first handle 11 in a horizontal position with the upper position and grounding the legs 28.

[0006]

[Problems to be solved by the device]

 In such a conventional synthetic resin suitcase, the casters 23 and the legs 28 are screwed to the right side walls 5 and 14 and the rear walls 7 and 16 by a plurality of screws 27 and 31, respectively. Therefore, as shown in FIGS. 6 and 7, the heads of the screws 27 and 31 project inside the suitcase body 1. Therefore, when the suitcase main body 1 is opened, the concealing member that conceals the heads of the screws 27 and 31 in order to prevent the heads of the screws 27 and 31 from being exposed and deteriorating the quality feeling. Is essential. Therefore, the necessity of the concealing member increases the number of mounting steps and the number of parts, which not only increases the manufacturing cost but also increases the weight.

The present invention has been made in view of the above-described conventional problems, and improves the coupling strength of casters and legs attached to the outer surface of the suitcase body while reducing the weight and the manufacturing cost. The purpose is to provide a synthetic resin suitcase.

[0008]

[Means for Solving the Problems] In order to solve the above problems, in the present invention, a composite is provided in which a leg projecting from the outer surface is provided on the outer surface of a suitcase body molded of synthetic resin. In a resin suitcase, the legs are formed integrally with the suitcase body, the legs are formed in a hollow shape, and casters are formed on the outer surface of the suitcase body made of synthetic resin. In the attached synthetic resin suitcase, hollow caster mounting legs are integrally formed on the suitcase body, and the casters are attached to the caster mounting legs.

[0009]

[Action]

 In the above structure, since the legs are integrally molded with the body of the suitcase, the screwing work for attaching the legs is unnecessary, and the concealing member for inevitably concealing the tip of the attaching screw is inevitable. Becomes unnecessary. Also, by being integral with the suitcase body, the legs are joined to the suitcase body by the strength of the resin itself.

Further, since the caster is attached to the caster mounting leg having a hollow shape, when the caster is screwed, the tip end of the screw reaches the inside of the hollow portion and is sufficiently connected. Even if the strength is secured, the tips of the screws are not visually recognized from the outside, and the legs and the caster mounting legs are hollow, so that the increase in weight is suppressed.

[0011]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. That is, as shown in FIGS. 2 and 3, the suitcase body 40 is composed of the lower case 2 and the upper case 3. The lower case 2 is a container body that integrally has left and right side walls 4, 5, front and rear walls 6, 7 and a bottom wall 8 and has an opening 9 on the upper surface, and is injection molded from synthetic resin. ing. The left and right side walls 4, 5 and the front and rear walls 6, 7 extend along the entire circumference of the opening 6 and project outward from the general surface of each of the walls 4, 5, 6, 7. The reinforcing frame portion 32 is integrally molded, and the reinforcing frame portion 32 is provided with a hollow portion 33 along the extending direction thereof. The reinforcing frame portion 32 is formed by injecting a gas into a resin in a molten state in the injection molding to form the hollow portion 33, and the hollow portion 33 corresponds to the reinforcing frame portion 32. It is formed over the entire length.

Further, the reinforcing frame portions 32 provided on the left and right side walls 4, 5 and the front wall 6 side have the same cross-sectional structure, and the hollow portion 33 is formed in a substantially L-shaped cross section. A recess 20 is provided. On the other hand, the reinforcing frame portion 32 formed on the rear wall 15 has a cross-sectional structure different from that of other portions, the hollow portion 33 is formed in a rectangular shape, and the hinge pin 34 is formed at the tip portion. Has been inserted. Further, one end of the partition cloth 35 is attached to the rear wall 7 of the lower case 2 by a tucker needle 36, and a hook 37 is attached to the other end of the partition cloth 35. The hook 37 is releasably engaged with a locked member 38 fixed to the inside of the front wall 6, and the locked member 38 is screwed from the inside of the lower case 2 and the hollow portion 33. It is fixed by a screw 39 protruding inward.

Further, a pair of metal fittings 42, 42 are screwed to the central portion in the longitudinal direction of the reinforcing frame portion 32 formed on the front wall 6 with a screw 41 screwed from the outside of the front wall 6. Both ends of the first handle 11 are pivotally supported by the pair of metal fittings 42, 42. A dial lock 10 attached to the reinforcing frame portion 32 is arranged between the metal fittings 42, 42, and buckles 12, 12 are arranged on the sides of the metal fittings 42, 42. The buckles 12 and 12 are also attached to the reinforcing frame portion 32.

On the other hand, the upper case 3 is a container body that integrally has left and right side walls 13 and 14, front and rear walls 15 and 16 and an upper wall 17 and has an opening 18 on the lower surface. It is injection molded with resin. The left and right side walls 13 and 14 and the front and rear walls 15 and 16 are reinforced so as to extend over the entire circumference of the opening 18 and project outward from the general surface of each of the walls 13, 14, 15 and 16. The frame portion 43 is integrally molded, and the reinforcing frame portion 43 is provided with a hollow portion 44 along the extending direction thereof. The reinforcing frame portion 43 is formed by injecting a gas into a resin in a molten state in the injection molding in the same manner as the lower case 2 described above to form the hollow portion 44. Is formed over the entire length of the reinforcing frame portion 43. Further, the hollow portions 44 of the reinforcing frame portion 43 provided on the left and right side walls 13 and 14 and the front wall 15 side have the same shape, and the convex portion 21 that fits into the concave portion 20 is provided. On the other hand, the reinforcing frame portion 43 formed on the rear wall 16 has a cross-sectional structure different from that of other portions, and the reinforcing frame portion 43 provided on the rear wall 7 of the lower case 2 via the hinge pins 34. The frame 32 is pivotally supported.

On the other hand, a pair of caster mounting legs 45 are provided on the outer surfaces of the right side walls 5 and 14 of the lower case 2 and the upper case 3, respectively. As shown in FIG. 1A, the caster mounting leg 45 is formed integrally with the right side walls 5, 14 of the cases 2, 3 by injection molding, and the reinforcement frame portions 32, 43 are Similarly to the above, a hollow portion 46 is formed by injecting a gas into a resin in a molten state in the injection molding, and a flat seat surface 47 is formed at the end portion. A caster 23 is attached to the seat surface 47, and the caster 23 includes a holder portion 25 that rotatably supports the roller 24 and a base portion 26 that rotatably supports the holder portion 25. The base portion 26 is screwed to the seat surface 47 by a plurality of screws 27 penetrating the seat surface 47.

Further, a pair of legs 48 are provided on the outer surfaces of the rear walls 7 and 16 of the lower case 2 and the upper case 3, respectively, and the legs 48 are integrally formed with the rear walls 7 and 18. In addition to being injection molded, as shown in FIG. 1 (B), gas is added to the molten resin during injection molding as in the case of the reinforcing frame portions 32 and 43 and the caster mounting legs 45. The hollow portion 49 is formed by pouring.

The dial lock 10 and the buckles 12 and 12 are structured so as to engage with a predetermined engaging portion (not shown) provided on the reinforcing frame portion 43 of the upper case 3, and A second handle 22 is attached to the left side wall 4 of the case 2 with the same attachment structure as the first handle 11.

In this embodiment having the above-described structure, as shown in FIG. 1B, the leg 48 is formed integrally with the rear walls 7 and 18 by injection molding. There is no need for screws to attach the screws and, of course, no screwing work. Further, since the screwing work is unnecessary, the concealing member for concealing the tip end portion of the screw is also unnecessary, so that the number of work steps and the number of parts are reduced, and thereby the manufacturing cost can be reduced. It will be possible. In addition, since the leg 48 is provided with the hollow portion 49, the leg 48 is light in weight, and thus the weight of the resin suitcase can be reduced in combination with the reduction in the number of parts. In addition, if the legs 48 are injection-molded integrally with the rear walls 7 and 18, the legs 48 can be joined to the rear walls 7 and 18 by the strength of the resin, and thus the joint strength of the legs 48 can be increased. It is possible to raise it.

Further, as shown in FIG. 1A, the caster 23 is fixed to the seat surface 47 of the caster mounting leg 45 by a screw 27. Since the leg 45 has the hollow portion 46, even if the long screw 27 is used to penetrate the seat surface 47, the tip of the screw 27 is not visible from the outside. Absent. Therefore, similarly to the leg 48 described above, a concealing member for concealing the tip portion of the screw 27 is not required, so that the number of work steps and the number of parts are reduced, and thereby the manufacturing cost can be reduced. Not only that, since the hollow portion 44 is provided, the resin suitcase can be made lighter in weight in combination with the decrease in the number of parts because it is light in weight.

[0020]

[Effect of the device]

 As described above, according to the present invention, the legs provided on the outer surface of the suitcase body formed of synthetic resin are integrally formed with the suitcase body, and the legs are formed into a hollow shape, or A hollow caster mounting leg is integrally formed on the suitcase body, and the caster is mounted on the caster mounting leg. Since the concealing member for concealing the tip of the screw used for fixing to the leg or caster is not necessary, the number of work steps and the number of parts are reduced, which makes it possible to reduce the manufacturing cost. Since the number of parts is reduced and the legs and the legs for mounting the casters are hollow, the weight of the resin suitcase can be reduced.

Further, in the configuration in which the legs are integrally formed with the suitcase main body, the work of attaching the legs itself is unnecessary, so the number of working steps is further reduced, and the strength of the resin is reduced. Since the legs can be joined to the suitcase body, the joining strength of the legs can be improved.

[Brief description of drawings]

FIG. 1 is a sectional view showing a first embodiment of the present invention,
3A is a sectional view taken along the line AA of FIG. 3, and FIG. 3B is a sectional view taken along the line BB of FIG.

FIG. 2 is a cross-sectional view of the same embodiment taken along the line CC of FIG.

FIG. 3 is a perspective view of the same embodiment.

FIG. 4 is a perspective view showing a conventional synthetic resin suitcase.

5 is an end view taken along line D-D in FIG.

6 is a cross-sectional view taken along the line EE of FIG.

7 is a cross-sectional view taken along the line FF of FIG.

[Explanation of symbols]

 23 caster 40 suitcase body 45 caster mounting leg 46 hollow part 48 leg 49 hollow part

Claims (3)

[Scope of utility model registration request] 1. A suitcase made of synthetic resin, in which a leg protruding from the outer surface is provided on the outer surface of the suitcase body formed of synthetic resin, and the leg is formed integrally with the suitcase body. An outer structure of a synthetic resin suitcase, characterized in that the legs are formed in a hollow shape. 2. A suitcase made of synthetic resin in which casters are attached to an outer surface of a suitcase body formed of synthetic resin, and hollow caster mounting legs are integrally formed on the suitcase body, An external structure of a synthetic resin suitcase, characterized in that the casters are attached to the caster mounting legs. 3. A suitcase body made of synthetic resin, wherein a leg protruding from the outer face is provided on an outer surface of the suitcase body, and a caster is attached to the suitcase body. While integrally molding and forming the leg into a hollow shape, a hollow caster mounting leg is integrally formed into the suitcase body, and the caster is attached to the caster mounting leg. External structure of the synthetic resin suitcase.