KR20140011988A

KR20140011988A - Wheeled luggage

Info

Publication number: KR20140011988A
Application number: KR1020130085361A
Authority: KR
Inventors: 조원상
Original assignee: 조원상
Priority date: 2012-07-19
Filing date: 2013-07-19
Publication date: 2014-01-29

Abstract

The present invention relates to a wheel bag. In particular, as the handle is moved up and down, the wheels having a larger diameter are spread out in front of both sides of the front of the bag body, or the unfolded wheels are flipped at an angle to the center of the front of the bag body. For example, it may be in close contact with the front part of the bag body or in close proximity to both sides of the bag body, and also the height adjustment protrusion inserted into one or more of the height adjustment holes of the rail or the like may be adjusted. It is related to a wheel bag that can adjust the height of the height of lifting the handle on the bag body by being pulled out of the hole.
In addition, the present invention relates to a method for manufacturing the wheel bag as described above, for one or more spiral groove rods installed in the front portion of the bag body.

Description

Wheelbag {WHEELED LUGGAGE}

The present invention relates to a wheel bag, and more particularly, as wheels are moved up and down, the wheels of a somewhat larger diameter are spread out in front of the front of the bag body, or the wheels are unfolded at an angle so that both sides of the front of the bag body are rotated. It may be retracted in the center to be in close contact with the front part of the bag body or to be close to both sides of the bag body, and the height adjustment protrusion may be inserted into one or more of the height adjustment holes of the rail or inserted as such. It is related to a wheel bag that can adjust the height of the height of the handle is pulled out of the height of the bag by escaping from the height adjustment hole.

The present invention also relates to a method of manufacturing or manufacturing the spiral grooves in a wheel bag in which the wheels installed therewith by rotating the spiral grooves rotate at an angle.

Prior art wheelbags allow the wheels to extend forward or forward close to the bag body or close to the bag body as the handle is pulled up or pressed down, while at the same time adjusting the height of the handle up and down. It is inconvenient to use because it is not structured to interlock.

The present invention has been made to solve the above problems, the wheels are automatically unfolded in front of the front of the bag body as the handle is pulled up or pushed down or unfolded in front of the front of the bag body as described above. The wheels can be pulled back into both sides to be in close contact with the front of the bag body, or the wheels that are spread out in front of the front of the bag body can be pushed close to both sides of the bag body, but the handle can be pulled out of the bag body. The purpose is to provide a wheel bag that can be interlocked so that the height can be easily and easily adjusted.

In another aspect, the present invention provides a manufacturing method for one or more spiral groove rods installed on one end of the bag body.

The wheel bag according to the present invention is provided with one or more spiral groove rods of a predetermined length at one end of the bag body, the spiral groove rod can be rotated by an angle in the longitudinal direction, and the spiral groove rod is also one spiral or more With grooves,

In addition, at least one handle support is installed at another end of the bag body, and the handle support is provided with at least one groove protrusion and at least one height adjustment protrusion,

In addition, at least one guide rail is provided at another end of the bag body, and at least one height adjusting hole is provided at the guide rail.

As the groove protrusions are located in the spiral grooves, the spiral groove rods can be rotated at an angle in a clockwise or counterclockwise direction as the tow handle is pulled up or pushed down by a certain distance.

In addition, one or more of the height adjustment projections can be inserted into or exit from one or more of the height adjustment holes,

At least one of a predetermined length or a predetermined section of the rail is opened so as to be able to move the connection portion of the handle support in the vertical direction.

In addition, a straight groove of a predetermined length is connected to the upper portion of the spiral groove, and when the groove protrusion moves the straight groove section in the vertical direction, the spiral groove rod does not rotate at a predetermined angle clockwise or counterclockwise. It is possible to move the handle support in the vertical direction a certain distance, and as described above, one or more height adjustment protrusions can be inserted into one or more height adjustment holes while the groove protrusions move up and down within the upper straight groove section.

The groove provided in the spiral groove rod is made of only the spiral groove, or made of only the spiral groove and the upper straight groove, or made of only the spiral groove and the lower straight groove, or the spiral groove, the upper straight groove and the lower straight groove. Can be done.

In addition, the spiral groove rod has a groove section or a predetermined section including the groove section is at least one curved plate around the one or more fillers around the one or more grooves by fixing the filler and the curved plate by combining Can be formed.

In addition, the spiral groove rod is a filler of stainless steel or cast iron or brass pipe of a certain length, the curved plate may be made of aluminum.

As mentioned above, the coupling of the curved plate and the filler may be accomplished by riveting, by bolt and nut, or by the use of various welding or adhesives, but is not necessarily limited to such methods.

In addition, the manufacturing or manufacturing method of the spiral groove bar or curved plate may be made by a process by milling, casting, die casting, forging, the method of pressing, the surface bending, which is capable of spiral groove processing in a circular pipe, It is not necessarily limited to such methods.

In addition, as the wheel support and the wheels are extended to the front of the bag body in front of the bag body as the handle support is pulled upwards or the handle wheel is pushed under the bag body by pressing the handle support, the wheel support and the wheels move toward the center of the bag body. For example, it can be brought into close contact with the front of the bag body.

In addition, the wheel support and the wheel is rotated at an angle as the wheel support and the wheel is extended in front of the front of the bag body or pulled down the bag body by pressing the handle support as the handle support is pulled upward toward the bag body. This allows close contact with the side surface of the bag body.

According to the wheel bag of the present invention, as the handle is moved up and down, the wheels of a somewhat larger diameter are extended in front of both sides of the front of the bag body, or the unfolded wheels are flipped at an angle to lift the bag body toward the center of both sides of the front of the bag body. Close to the part or close to both sides of the body of the bag, and also the height adjustment projection is inserted into one or more of the height adjustment holes of the rail, or the height adjustment projection that is inserted in such a way out of the height adjustment hole. As a result, the handle can be interlocked to adjust the height of the handle that is pulled out of the top of the bag.

In addition, the spiral groove rods of the present invention may be processed so that one or more grooves are formed directly on one whole pipe surface, but one or more curved plates are joined around the one or more fillers to be joined together. By allowing one or more grooves to be formed in this manner, it is possible to reduce manufacturing costs and to reduce the weight of the bag rather than processing to form one or more grooves directly on the surface of the whole circular metal rod as described above. It works.

Figure 1 shows the appearance of the wheel bag of an embodiment according to the present invention.
Figure 2 shows the state in which the wheel (200A, 200B) is folded into both sides of the bag body by pressing down the handle of the wheel bag of FIG.
Figure 3 shows a state in which the bag slightly inclined to the front in the state in which the wheel (200A, 200B) touches the ground as in the case of dragging the wheel bag of FIG.
Figure 4 is a wheel bag of Figure 1 showing the internal structure with the outer cover removed from the front.
Figure 5 shows the state in which the wheel (200A, 200B) is folded into both sides of the bag body as the handle is pressed down in the state of FIG.
Figure 6 shows the structure of a wheel bag of another embodiment according to the present invention.
Figure 7 shows the structure of a wheel bag of another embodiment according to the present invention.
Figure 8 shows the structure of a wheel bag of another embodiment according to the present invention.
9 shows the state in which the wheel 200A and the wheel 200B are rotated at an angle to the rear by pressing the handle 800 downward in the wheel bag of FIG. 8 to be in close contact with both sides of the bag body.
10 is a separate view showing a state in which the rail 30A and the rail 30B are respectively installed in the front of the bag body in the wheel bag of FIG.
11 is a separate view showing a state in which the rail 40A and the rail 40B are respectively installed in the bag body front part in the wheel bag of FIG. 6.
12 is a separate view showing a state in which the rail 50A and the rail 50B are installed in the front of the bag body in the wheel bag of FIG.
13 is a view showing a state in which the rail (60A, 60B) is installed in the front portion of the bag body 650 in the wheel bag of FIG.
Figure 14 shows a separate structure of the handle 700 is installed on the bag body in the wheel bag of FIG.
Figure 15 shows a separate structure of the handle 701 is installed on the bag body in the wheel bag of FIG.
Figure 16 shows the structure of the handle 702 separately in the wheel bag of Figure 7;
Figure 17 shows the structure of the handle 800 in the wheel bag of Figure 8 separately.
18 to 28 shows the manufacturing method of the spiral groove rods installed on both sides of the front of the bag body in the embodiments of the wheel bag according to the present invention, particularly the section in which the groove is formed in the spiral groove rod.
29 shows views of yet another form of filler.
FIG. 30 is a development view in which the curved plates 1a and 1b as shown in FIGS. 18 to 21 are unfolded in a plane form.
FIG. 31 is a development view in which the curved plate 6 as shown in FIGS. 22 to 25 is unfolded in the form of a plane.
32 shows another method of manufacturing a spiral grooved rod.
The filling material 2 'of the spiral groove rod of FIGS. 32 and 33 is in the form of a hollow circular pipe.

Hereinafter, the present invention will be described with reference to the accompanying drawings.

1 is a view showing the state of the wheel bag according to an embodiment of the present invention, the wheel (200A, 200B) as the handle 700 is pulled up a certain length upwards bag front part 600 It opens at an angle to both sides and shows its front view. In addition, at least two small wheels (250A, 250B) are installed on both sides of the front lower portion of the main bag body 600, and the small wheels can be rotated 360 degrees in the front-rear direction as well as 360 degrees in the left and right directions. It is possible.

FIG. 2 illustrates that the wheels 200A and 200B are retracted into both sides of the bag body 600 by pressing down the handle 700 of the wheel bag of FIG. 1 and drawing a predetermined length into the bag body 600. It is shown close to the part.

3 illustrates a state in which the upper portion of the bag body 600 and the handle 700 are inclined at an angle as in the case of towing the wheel bag of FIG. 1 on the road surface.

Therefore, when the wheel bag as shown in FIG. 1 is towed, the upper part of the bag body 600 and the handle 700 are inclined at an angle toward the front as shown in FIG. It can be towed by using the wheels 200A and 200B that are spread out.

In addition, the wheels (200A, 200B) and the small wheels (250A, 250B) on both front of the lower part of the main body are simultaneously pulled to the ground while the bag is inclined slightly forward. If the wheel bag is towed in such a state, in particular, the upper portion of the bag body is inclined forward, and the effect of lowering the force required to hold the tow handle up by the action of the load is effective.

This wheel bag can be made to increase the diameter of the wheel (200A, 200B) a little larger, such that if the diameter of the wheel slightly larger, rough roads, rough unevenness or even when traveling long distances It makes it easier to cool and tow the bag less easily, and it also prevents dust and dirt from getting to the bottom of the bag body more effectively. It can prevent the contact and wear more effectively.

Accordingly, the diameter of the wheels (200A, 200B) is preferably selected within the range of 11 ~ 13 cm, but is not necessarily limited thereto.

And, the diameter of the wheels (200A, 200B) is preferably larger than the diameter of the small wheels (250A, 250) installed in the lower bag body 600, but is not necessarily limited thereto. none.

On the other hand, when storing the wheel bag, as shown in Figure 2 by pressing the handle 700 down into the bag body and further puts the wheels (200A, 200B) in the state of the bag body 600 in both sides of the bag. It can be stored neatly and safely. Particularly, when the wheel bag is to be stored in a limited space such as a laca during travel, the handle 700 is inserted into the bag body as described above, and the wheels (200A) and (200B) are provided at the front of the bag body 600. If you put it in both sides, the wheel bag can be stored inside the locker more easily.

Figure 4 shows the inner structure of the wheel bag of the embodiment as shown in Figure 1, the outer cover case of the front portion of the bag body 600 is removed.

5 is in the wheel bag as shown in Figure 4, the wheel (200A, 200B) as shown in Figure 2 as the handle 700 is pushed down to both sides in close contact with the front of the bag main body 600 It appeared.

As shown in Figures 4 and 5, both sides of the bag body 600, the spiral groove rod 10A and the spiral groove rod 10B of a predetermined length are respectively installed, the spiral groove rod (10A) and spiral groove rod (10B) It is possible to rotate clockwise or counterclockwise at an angle with respect to the longitudinal axis.

In addition, the spiral groove bar (10A) and the spiral groove bar (10B) is each provided with two rows of grooves, each groove includes a spiral groove (12), and the top of the spiral groove 12 is constant The upper straight groove 11 of the length is connected and formed, and the lower straight groove 13 of a predetermined length is provided below the spiral groove 12.

And, the wheel support (220a) and the wheel support (220b) provided at one end of the spiral groove bar (10A) and the spiral groove bar (10B) is connected to the wheel (200A) and the wheel (200B), respectively.

In addition, at least one rail (30A, 30B) is provided on the front portion of the bag body 600, as shown in Figure 10, each of the rail 30A and the rail (30B) at least one height adjustment hole. (31a), (32a), (33a), (34a) and one or more height adjustment holes (31b, 32b, 33b, 34b) are provided. The shape of the height adjusting holes 31a, 32a, 33a, 34a is not indicated, only its position is indicated by arrow indicator lines.

In addition, the front portion of the bag body 600 is provided with a handle 700 as shown in Figure 14, the handle 700 includes one or more handle supports (72a, 72b).

One end of the handle support (72a) and the handle support (72b) is provided with groove projections (74a, 75a) and groove projections (74b, 75b) as shown in Figure 14, the groove projection (74a, 75a) and the groove projections (74b, 75b) are located in each groove provided in the spiral groove rod 10A and spiral groove rod 10B.

In addition, the other end of the handle support (72a) and the handle support (72b) is provided with a height adjustment projection (77a) and a height adjustment projection (77b), respectively.

And, the handle 700 is provided with a handle button 71, by the operation of the handle button 71, the height adjustment projection (77a) and the height adjustment projection (77b) the handle support (72a) and the handle It is possible to enter or exit a certain length through the hole of the support 72b.

Meanwhile, as the handle 700 is moved up and down by a predetermined distance, the groove protrusions 74a and 75a and the groove protrusions 74b and 75b located in the spiral groove 12 are spiral grooves. 12) The wheel 200A and the spiral groove rod (10A) installed on the wheel support 220a of the spiral groove rod 10A can be rotated by a predetermined angle as the spiral groove rod 10A and the spiral groove rod 10B move side to side as the section moves up and down. The wheels 200B installed on the wheel support 220b of 10B can be spread out in front of both sides of the front portion of the bag body 600 as shown in FIG. 4, or be retracted into both sides as shown in FIG. 5.

On the other hand, the groove projection (74a), (75a) and the groove projection (74b, 75b) is located in the upper linear groove 11 section, respectively, or spirally moving rod 10A when moving in Without the left and right rotation of the spiral groove bar (10B) and the wheel (200A) and the wheel (200B) is opened at an angle to both sides of the front portion of the bag body 600 as shown in Figure 4 it is possible to maintain a state unfolded forward.

In addition, the groove projection (74a, 75a) and the groove projection (74b, 75b) is located in the lower straight groove (13) section, or when moving within the spiral spiral bar (10A) The wheel 200A and the wheel 200B are retracted in both sides without the left and right rotations of the spiral groove bar 10B, and thus, the wheel 200A and the wheel 200B can be held close to the front of the bag body 600 as shown in FIG. 5.

On the other hand, by the operation of the handle button 71 in the process of moving the handle support 72a and the handle support 72b a predetermined distance in the vertical direction, the height adjustment projection 77a is provided in the rail (30A) as shown in FIG. Height adjustment holes 31b, 32b inserted into one of the adjustment holes 31a, 32a, 33a, 34a, and having a height adjustment protrusion 77b provided on the rail 30B. The handle 700 is pulled up the bag body 600 by the length of the bag body 600 by being inserted into the bag body 33, 33b, or 34b). It is possible to adjust the degree of height drawn out above the main body 600.

On the other hand, Figure 6 shows a view of the wheel bag of another embodiment of the present invention, the wheel bag of Figure 6 is a spiral groove bar (10A ') on both sides of the front portion of the bag body 600 as compared to the wheel bag of Figure 4 ) And a spiral groove rod (10B '), and each of the spiral groove rods (10A', (10B ')) is provided with one row of grooves, the groove of the one row is a spiral groove (12) It includes, the upper linear groove 11 is connected to the upper side of the spiral groove 12 is formed, the lower linear groove 13 is connected to the lower side of the spiral groove 12 is formed.

In addition, the wheel bag of Figure 6 is provided with one or more rails (40A, 40B), as shown in Figure 11, and the handle 701 as shown in Figure 15 outside each of the rails (40A, 40B), respectively ) Support (72a, 72b) is provided, the handle support (72a) is provided with one groove projection (76b) and one height adjustment projection (3a), and also the handle support (72b) ) Is provided with one groove projection 76b and one height adjustment projection 3b.

7 is a view showing a wheel bag according to another embodiment of the present invention, and as shown in FIG. 12, a rail 50A and a rail 50B are respectively installed on both sides of the bag body 600 and the rail 50A. ) And the rail 50B are formed with one or more height adjusting holes 51a, 52a, 53a and one or more height adjusting holes 51b, 52b, 53b, respectively. The rails 50A and 50B are different from the rails ((30A) and 30B of FIG. 10 or the rails (40A and 40B) in FIG. 11). ) It is not installed upright from the front side, but is installed parallel to the front side of the bag body.

And, the wheel bag of Figure 7 is provided with a handle 702 of the same structure as in Figure 16, the handle 702 of Figure 16 is the handle support 72a and the handle support 72b to the handle button 71 By being provided with a height adjustment projection (76a ') and a height adjustment projection (76b') that can be operated by, the height adjustment projection (76a ') and the height adjustment projection (76b') is the handle support (72a) and the handle support (72b) The length adjustment protrusion 76a 'and the height adjustment protrusion 76b' can be pulled out of a predetermined length through a hole formed in a predetermined length or drawn into the predetermined length, and thus the height adjustment hole 51a, ( By inserting into one of 52a) and 53a) and one of the height adjustment holes 51b, 52b, 53b, the height of the height which pulled up the handle 702 can be adjusted.

On the other hand, Figures 8 and 9 shows the appearance of a wheel bag of another embodiment of the present invention, the spiral groove rods 20A and spiral groove rods 20A of a predetermined length are respectively installed on both sides of the bag body 600, The spiral grooved rod 20A and the spiral grooved rod 20B can be rotated in a clockwise or counterclockwise direction at an angle with respect to the longitudinal direction, respectively.

In addition, the spiral groove rod 20A and the spiral groove rod 20B are each provided with one or more grooves, and each of the grooves includes a spiral groove 22, and the upper linear groove 21 is disposed on the spiral groove 22. ) Is connected to each other, and the lower linear groove 23 is connected to the lower side of the spiral groove 22.

In addition, the spiral groove bar (20A) and the spiral groove bar (20B) is provided with a wheel support (230a) and a wheel support (230b), respectively, and the wheel support (230a) and the wheel support (230b), respectively, wheel 200A ) And the wheel (200B) is connected and installed.

In addition, at least one rail 60A, 60B) is installed at the right center, or relatively center of the front and rear sides of the front of the bag main body 650, and at least one rail 60A, 60B) is installed at the rail body 60A, 60B). The height adjusting holes 61a and 61b are formed.

And, the bag body 650 of Figure 8 is provided with a handle 800 as in Figure 17, the handle 800 includes one or more handle supports ((82), (83)), The handle support 82 and the handle support 83 can be stretched by being connected in a two-stage folding or telescopic structure.

In addition, the handle support ((82), (83)) is provided with one or more height adjustment projections (86, 87), by the operation of the handle button 81 and the handle 800 By lifting up or pressing down, it is possible for the height adjusting projections 86, 87 to be drawn in a certain length or to protrude a certain length through the holes formed in the handle holders (82, 83). The height adjusting projections 86 and 87 can be inserted into or out of the height adjusting holes 61a and 61b.

In addition, the groove 84 (85a, 85b) is provided on the connection portion 84 of the handle support 83, the groove projection (88a) on the groove projection support (85a, 85b), respectively ), (89a) and groove projections (89b, 89b) are provided.

Accordingly, the handles in the state where the groove protrusions 88a, 89a and the groove protrusions 89b, 89b are located in the grooves formed in the spiral groove rod 20A and the spiral groove rod 20B, respectively. The spiral groove bar 20A and the spiral groove bar 20B are rotated at a predetermined angle clockwise by moving the handle support 83 upward or downward by pressing the 800 upward or downward. Alternatively, by rotating counterclockwise, as shown in FIG. 8, the wheel support 230a and the wheel 200A and the wheel support 230b and the wheel 200B are spread out in front of the bag body 650, or the wheel support 230a as shown in FIG. 9. ) And the wheel (200A) and the wheel support (230b) and the wheel (200B) is rotated at an angle to the back of the bag body 650 can be in close contact with both sides of the bag body (650).

In addition, when the handle 800 is pulled up or down by a certain length to the top of the bag body, or when the predetermined length is drawn in, one or more of the height adjusting protrusions (86, 87) is a rail (60A), ( 60B)) is inserted into at least one of the height adjustment holes (61a, 61b) provided in the height adjustment can be adjusted to the degree of the height pulled up.

In addition, like the wheel bag as shown in Figures 4 and 5, the wheel support (220a) and the wheel (200A) and the wheel support (220b) and the wheel (200B) is the longitudinal direction of the spiral groove rod (10A) and spiral groove rod (10B) Rotate the shaft at an angle to retract the inside of the front of the bag body 600, or the inside of both sides of the wheel support (220a) and the wheel (200A) and the wheel support in close contact with the front of the bag main body 600 The wheel bag 220b and the wheels 200B can be spread out again on both sides to be unfolded in front of the bag body 600, and are more suitable for a structure where both widths of the front portion of the bag body 600 are sufficiently wide, and in FIGS. 8 and 9. Like the wheel bag, the front of the bag body 650 front wheel support 230a and the wheel (200A) and the wheel support 230b and the wheel (200B) extending in the longitudinal direction of the spiral groove bar (20A) and spiral groove bar (20B) Rotates at an angle around the axis The wheel bag which can be brought into close contact with both sides of the bag body 650 by being tongue is more suitable for a structure having a sufficiently wide width of both side portions of the bag body 650, but is not necessarily limited thereto.

On the other hand, in the present invention, the structure of the handle of the wheel bag may be a double or triple or more folding or telescopic structure as shown in FIG.

In addition, the number of height adjustment protrusions installed on the handle support of the handle may be increased or decreased depending on the structure of the rail and the handle, and the installation position thereof may also be changed.

Meanwhile, FIGS. 18 to 28 illustrate a method of manufacturing a predetermined section including a groove section or a groove section in the spiral groove bars respectively provided on both sides of the bag body in the wheel bags of the embodiment.

The spiral groove rod 101 of FIG. 18A has a curved plate 1a and a curved plate 1b opposed to each other on the right and left sides of the filler 2 as shown in FIG. 18B, and at least one rivet (( 99a), 99b) and 99c) are inserted into one or more rivet holes 91 provided in the filler 2 and the curved plate (1a) and (1b), respectively. By riveting and joining as in the example.

The spiral groove bar 102 of FIG. 19 has a washer or a fixed cover as shown in FIG. 21D on the outer surface of the curved plate 1a and the curved plate 1b as compared with the spiral groove bar 101 of FIG. ((98a), (98b), (98c)) are covered and then joined by rivets (99a), (99b) and (99c).

The spiral groove rod 103 of FIG. 20 (a) has curved surfaces 1a and 2 on both sides of two or more fillers (4a, 4b, 4c), respectively, as shown in FIG. 20 (b). After the curved plates 1b are joined together, the rivets 99a are riveted through the rivet holes 91 formed in the curved plates (1a, 1b) and the filler material 4a, and also riveted ( The 99b is riveted through the rivet holes 91 of the curved plates (1a, 1b) and the filler 4b, and the rivets 99c are curved plates (1a, 1b). ) And the riveting hole 91 through the rivet hole 91 of the filler 4c.

The fillers 4a, 4b, and 4c of FIG. 20 have a narrower width that extends to the left and right than the length in the longitudinal direction when the side through which the rivet hole 91 penetrates is a longitudinal direction. It is. Such a structure has an effect of allowing the grooves (11, 12, and 13) formed in the spiral groove bar 103 to be positioned more deeply and stably when the groove protrusions as in the embodiment are located. have.

The spiral groove bar 104 of FIG. 21 is similar to the spiral groove bar of FIG. 20 except that the straight grooves 11 "are formed on both sides of the fillers 5a, 5b, and 5c, respectively. The structure also has the effect of allowing the grooves (11), (12), (13) formed in the spiral groove rod 104 to be located more deeply and stably when the groove projections as in the embodiment is located.

The spiral groove rod 105 of FIG. 22 (a) is provided with one row of grooves consisting of an upper straight groove 11, a spiral groove 12, and a lower straight groove 13, and the spiral groove rod 105 is As shown in (b) of FIG. 22, one curved plate 6 is circumscribed around the filler material 2, and rivets 99a, 99b, 99c and the fixing cover 99a, (99b) and (99c)).

The spiral groove rod 106 of FIG. 23 is provided with one row of grooves 11 ', 12', and 13 'in the filler material 8 as compared to the spiral groove rod 105 of FIG. The same structure allows for deeper and more stable positioning when one of the grooves as in the embodiment is located in the grooves (11, 12, 13) formed in the spiral groove rod (106). It works

As shown in (b) of FIG. 24, the spiral groove bar 107 of FIG. 24 (a) has one curved surface around the one or more filling members (7a, 7b, and 7c). In the manner in which the plate 6 is surrounded and joined by one or more rivets 99a, 99b, 99c, the filling members 7a, 7b, 7c are When the side through which the rivet hole 91 penetrates is made into a longitudinal direction, the width | variety of both sides is narrower than the width of the longitudinal direction. Such a structure also allows for deeper and more stable positioning when one of the grooves as in the embodiment is located in the grooves 11, 12, and 13 formed in the spiral groove rod 107. It is effective.

In the spiral groove bar 108 of Fig. 25, a straight groove 11 " is formed on one side of the fillers 9a, 9b and 9c as compared to the spiral groove bar 107 of Fig. 24. Such a structure Also, when one of the grooves as in the above embodiment is located in the grooves (11, 12, and 13) formed in the spiral groove rod 108, the effect of allowing to be located more deeply and stably have.

The spiral groove bar 109 of FIG. 26 has a structure in which both ends of the spiral groove bar 109 are connected to each other, and one or more fillers 9a are installed therebetween as compared with the spiral groove bar 108 of FIG. 25.

The spiral groove rod 110 of FIG. 27 is connected to the lower end of the spiral groove rod 110 as compared with the spiral groove rod 108 of FIG. 25, and at least one filler ((9a), (9b)) is installed on the upper portion thereof. It is.

The spiral groove rod 111 of FIG. 28 has a structure in which an upper portion of the spiral groove rod 111 is connected with respect to the spiral groove rod 108 of FIG. 25, and two or more fillers (9b, 9c) are installed below the spiral groove rod 111. It is.

FIG. 29 shows an example of the structure of another filler. In particular, the filler 28 of FIG. 29B is provided with two rows of spiral grooves 12 ', and also the filler of FIG. 29C. 29 is provided with one row of spiral grooves 12 '.

FIG. 30 is a development view in which the curved plates 1a and 1b as shown in FIGS. 18 to 21 are unfolded in a plane form. Therefore, by forming a curved surface of the flat metal plate as shown in FIG. 30, it can be made in the form of curved plates (1a, 1b) as shown in FIGS. Of course, a circular pipe may be directly processed to form the curved plates 1a and 1b as described above.

More specifically, the manufacturing or manufacturing method of the spiral groove bar or curved plate in the above examples, the method by milling, casting, die casting, forging, the press, curved bending, 3D copier in the spiral groove processing to the circular pipe It is preferable to select and apply one of the manufacturing methods, but it is not necessarily limited thereto.

FIG. 31 is a development view in which the curved plate 6 as shown in FIGS. 22 to 25 is unfolded in the form of a plane. Accordingly, by forming a curved surface of the flat metal plate as shown in FIG. 31, it is possible to make the curved plate 6 as shown in FIGS. 22 to 25. Of course, the circular pipe 6 may be directly processed to form the curved plate 6 as described above.

Similarly, the method of manufacturing or manufacturing the spiral groove bar or curved plate in the above examples will be described further by the method of milling, casting, die casting, forging, pressing by bending, bending, 3D It is preferable to use one of the manufacturing methods by the copier, but it is not necessarily limited thereto.

On the other hand, the fillers (2) and (3) of the spiral groove rods as shown in Figs. 18 and 19 and the fillers (2 and 8) of the structure shown in Figs. 22 and 23 are relatively iron and stainless steel. It is desirable to reduce the weight of the spiral groove bar by using a material such as aluminum, plastic, or wood that is lighter than a metal such as copper, but is not necessarily limited thereto.

On the other hand, the fillers (4a, 4b, 4c) of FIG. 20, the fillers 5a, 5b, 5c of FIG. 21, and the fillers (7a, 7b, 7) of FIG. 7c)) and one or more relatively short fillers, such as fillers (9a), (9b), and (9c) of FIG. There is an effect that can be reduced.

Fillers (4a, 4b, 4c) and fillers 5a, 5b, 5c in FIG. 21 and fillers (7a, 7b, 7c) in FIG. The fillers 9a, 9b and 9c of 25 are preferably metal, plastic or wood, but are not necessarily limited thereto.

The washer or curved plate is preferably made of a metal having a predetermined thickness and shape, but is not necessarily limited thereto.

Meanwhile, the spiral groove rod 120 of FIG. 32 illustrates a manufacturing method according to another method, and as shown in FIG. 32 (d) around the whole or a predetermined section of the main body of the spiral groove rod as illustrated in FIG. 32 (b). More than one metal plate cover (122a) and (122b) is installed and fixed.

Spiral groove rod body as shown in (b) of Figure 32 is preferably made of a material such as plastic or aluminum to reduce the weight, but is not necessarily limited thereto.

In the case where the spiral groove rod body as shown in FIG. 32 (b) is made of plastic, when the metal plate covers 122a and 122b as shown in FIG. ) Can be effectively prevented from wearing.

FIG. 32 (c) shows a state in which a portion of the spiral groove bar body of FIG. 32 (b) is horizontally cut.

Meanwhile, the filler 2 of the spiral groove bar of FIGS. 18 and 22 is a round bar, but the filler 2 'of the spiral groove bar of FIGS. 32 and 33 is a hollow hollow pipe. Such a structure can reduce the weight of the spiral groove rod.

The filler 2 'in the form of a round pipe is made of a relatively hard and high-strength metal such as stainless steel or iron or copper, and has curved surfaces (1a, 1b) or curved plates (around the perimeter). 6) is preferably made of lighter aluminum, but is not necessarily limited thereto.

Similarly, the filler 27 in FIG. 29A can also be formed in the form of an empty pipe.

On the other hand, the shape of the groove provided in the spiral groove rods of the embodiments are provided with only the spiral groove, or only the spiral groove and the upper linear groove, or only the spiral groove and the lower straight groove, or the spiral groove and the upper straight Both the groove and the lower straight groove can be provided.

On the other hand, by the operation of the handle button 71 as described above, the height adjustment projection (77a) and the height adjustment projection (77b) through a hole of the handle support (72a) and the handle support (72b) or a predetermined length The way of protruding the length may be applied by adopting one of the conventional known techniques or the known techniques later, or developing and applying a new manner that is considered to be efficient. In the above embodiments, the same may be applied to the other handles.

On the other hand, as described above, the method of joining the two curved plates to each other is preferably applied by selecting one of a method such as riveting, bolt and nut, or various welding, but is not necessarily limited thereto.

On the other hand, as shown in the wheel bags of the embodiment according to the present invention in order to enable the connecting portion of the handle support to move in the vertical direction, the rail is at least a section in which the connecting portion moves up and down is wrapped around the pipe closed structure It has a structure in which at least one side is open without being.

1a, 1b: curved plate 2: filler
3a, 3b: height adjustment protrusion 4a, 4b, 4c: filler
5a, 5b, 5c: Filling material 6: curved plate
7a, 7b, 7c: Filling member 8: Filling material
9a, 9b, 9c: Filler 10A, 10B: Spiral grooved rod
10A ', 10B': Spiral groove rod 11: Upper straight groove,
11 ": straight groove 12: spiral groove,
12 ': Spiral groove 13: Lower straight groove
20A, 20B: Spiral groove rod 21: Upper straight groove
22: spiral groove 23: lower straight groove
28: filler 29: filler
30A, 30B: Rail 31a, 32a, 33a, 34a: Height adjustment hole, 31b, 32b, 33b, 34b: Height adjustment hole 40A, 40B: Groove projection, 50A, 50B: Rail,
51a, 52a, 53a: height adjusting hole 51b, 52b, 53b: height adjusting hole
60A, 60B: Rail, 61a, 61b: Height adjustment hole
71: handle buttons 72a, 72b: handle support,
73a, 73b: connection
74a, 75a: groove projection, 74b, 75b: groove projection,
76a ', 76b': Height adjustment protrusion 76b: Groove protrusion
77a, 77b: height adjustment projection 82, 83: handle support, 84: connection portion 85a, 85b: groove projection support
86, 87: height adjustment projection 88a, 89a: groove projection,
89a, 89b: groove projection 91: rivet hole
98a, 98b, 98c: fixing cover 99a, 99b, 99c: rivet
101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111: spiral groove rod,
200A, 200B: Wheel, 220a, 220b: Wheel Support
230a, 230b: wheel support 250A: small wheel,
600: bag body, 650: bag body
700: handle 702: handle
800: handle

Claims

One or more spiral groove rods of a predetermined length are installed at one end of the bag body, and the spiral groove rods can be rotated at an angle along the longitudinal direction, and the spiral groove rods are provided with one or more spiral grooves,
In addition, at least one handle support is installed at another end of the bag body, and the handle support is provided with at least one groove protrusion and at least one height adjustment protrusion,
In addition, at least one guide rail is provided at another end of the bag body, and at least one height adjusting hole is provided at the guide rail.
It is possible to rotate the helical groove in a clockwise or counter-clockwise direction as the groove projection is located in the spiral groove, respectively, by pulling the handle upwards or downwards.
In addition, one or more of the height adjustment projections can be inserted into or exit from one or more of the height adjustment holes,
Wheel bag, characterized in that the predetermined length or a predetermined section of the at least one side of the rail is opened to enable the connection of the handle support in the vertical direction.

The method according to claim 1,
A straight groove having a predetermined length is connected to the upper portion of the spiral groove, and when the groove protrusion moves the straight groove section in the vertical direction, the handle support rod does not rotate at a predetermined angle clockwise or counterclockwise. It is possible to move a predetermined distance in the vertical direction, and as described above, one or more height adjustment projections can be inserted into one or more height adjustment holes while the groove projection is moved up and down within the upper straight groove section. Wheel bag.

The method according to claim 1,
The spiral groove bar is a groove section or a certain section including a groove section is formed around one or more fillers to have one or more curved plate circumference around the one or more grooves are formed by combining and fixing the filler and the curved plate Wheel bag characterized.

The method according to claim 1,
The wheel bag, characterized in that the means for joining the curved plate and the filler by the use of riveting or welding or adhesive.

The method of claim 1, wherein the manufacturing method or manufacturing method of the spiral groove bar or curved plate wheel, characterized in that the one of the methods of casting, die casting, forging, the method by pressing, the method of bending the surface.

The method according to claim 1,
As the handle restraints are pulled upward above the body of the bag, the wheel restraints and wheels are extended forward and forward of the body of the bag, or the handle rests and the wheels are lifted toward the center of the body of the bag as the handle restrains and pulls the body down under the body of the bag. A wheel bag, which can be brought into close contact with the body front part.

The method according to claim 1,
As the handle support is pulled upwards to the top of the bag body, the wheel support and the wheels are extended in front of the front of the bag body, or the handle and the wheels are pushed into the bottom of the bag body by pressing the handle support, and the wheel support and the wheels are rotated to the rear at an angle. Wheel bag, which can be in close contact with the body side portion.

One or more spiral groove rods of a predetermined length are installed at one end of the bag body, and the spiral groove rods can rotate at an angle in the longitudinal direction, and the spiral groove rods are provided with one or more spiral grooves. Wheels are provided on the wheel support provided on one end of the groove rod;
The spiral groove bar is a groove section or a certain section including a groove section is formed around one or more fillers to have at least one curved plate circumferentially around the one or more grooves formed by combining and fixing the filler and the curved plate Wheel bag characterized.

The method according to claim 8,
The means for joining the curved plate and the filler is a wheel bag, characterized in that the method by the use of riveting or bolts and nuts or welding or adhesive.

The wheel bag according to claim 8, wherein the spiral groove bar or curved plate is manufactured or manufactured by one of casting, die casting, forging, pressing, and bending.

The method according to claim 3 or 8,
The spiral groove bar is a wheel bag, characterized in that the filler is made of stainless steel or cast iron or brass pipe of a predetermined length, the curved plate is made of aluminum.