CN111202331B

CN111202331B - Luggage case

Info

Publication number: CN111202331B
Application number: CN202010019650.6A
Authority: CN
Inventors: 柳新昌
Original assignee: Xing Guobing
Current assignee: Xing Guobing
Priority date: 2018-08-07
Filing date: 2018-08-07
Publication date: 2020-12-08
Anticipated expiration: 2038-08-07
Also published as: CN108903178A; CN108903178B; CN111202331A

Abstract

The invention discloses a luggage case which comprises a case body and an upper cover covered on the case body, wherein the upper cover is in a concave structure and comprises a front convex part, a rear convex part and a concave part, a safety handle is arranged on the front convex part, insertion tongues extending downwards are respectively formed on the front wall and the rear wall of the upper cover, an elastic button is arranged on the insertion tongues, and the front wall and the rear wall of the case body are respectively provided with an open slot for accommodating the insertion tongues and a through hole for the elastic button to extend outwards from the open slot. The suitcase provided by the invention realizes the mutual conversion between the free steering mode and the controlled steering mode, and can achieve the purpose of accurately controlling the movement direction of the suitcase in real time; the safety handle and the control handle can be used as a child hand-holding mechanism and a trunk steering control mechanism and can also be used as a handle for opening the upper cover, and the telescopic rod can be matched with the inserting tongue to realize the closing, opening and adjustment of the upper cover and the trunk body to different heights.

Description

Luggage case

Technical Field

The invention relates to the technical field of luggage cases, in particular to a luggage case.

Background

Modern's life rhythm is fast, and operating pressure is big, and people like to take children to travel scattered worry together in idle, and people can use the suitcase at the in-process of travelling. However, the existing luggage case can only contain articles, the function is single, and many children are tired and need to be held by adults, so that the children are very tired after a long time, and even the luggage case can not be taken out to carry; in addition, due to the nature of children, if no toy is available, children are difficult to stay in a boring journey, do not cry and do not scream, but carry the toy in the journey will increase a lot of burden.

Disclosure of Invention

The invention aims to provide a luggage case through analysis, experiment and use aiming at the defects of the prior art.

The specific scheme of the invention is as follows: the utility model provides a luggage case, includes the box and covers the upper cover that closes on the box, the upper cover is constructed into "concave" font structure, includes preceding convex part, back convex part and connects the concave part in the front between convex part, the back convex part, be provided with safe handle on the preceding convex part, safe handle is fixed on the handle mount pad, the handle mount pad inlays the dress and can rotate on the convex part before and relatively, the bottom half is equipped with two preceding universal wheels and two rear universal wheels, the box front portion is equipped with a strap and two fixed buckles, the strap both ends are connected respectively on the fixed buckle, upper cover antetheca and back wall are formed with the latch that downwardly extending respectively, be provided with an elasticity button on the latch, the open slot that holds the latch and the perforating hole that supplies the elasticity button to outwards stretch out from the open slot are seted up respectively to box antetheca and back wall.

Preferably, the safety handle comprises a handle mounting seat, a connecting head and a telescopic rod, the control mechanism comprises a control handle, a connecting head and a linkage mechanism, the control handle is arranged on the handle mounting seat and is positioned in the safety handle, two opposite side surfaces of the inner wall of the safety handle are provided with a mounting groove and a guide groove communicated with the mounting groove, a reset spring is arranged in the mounting groove, and two corresponding side surfaces of the outer wall of the control handle are provided with guide bulges in sliding connection with the guide groove; the connector includes connecting piece and retaining member, the handle mount pad has the restriction the rotatory locking hole of retaining member, the connecting piece passes the locking hole and is articulated with the control handle, the retaining member with the telescopic link upper end links to each other, link gear includes gangbar, linkage quarter butt, linkage horizontal pole and connecting rod, wear to be equipped with the gangbar mount pad on the gangbar, the bottom in the box is fixed to the gangbar mount pad, the gangbar upper end links to each other with the telescopic link, and the lower extreme links to each other with linkage quarter butt one end, the linkage quarter butt other end articulates there is the linkage horizontal pole, the both ends of linkage horizontal pole articulate respectively have two connecting rods, two connecting rods link to each other with two preceding universal wheels respectively.

Preferably, the number of the telescopic sections of the telescopic rod is the same as the number of the through holes, and the length of each section of the telescopic rod is the same as the distance between two adjacent through holes.

Preferably, the control mechanism further comprises a lead screw, one end of the lead screw is connected with the connecting piece, the other end of the lead screw penetrates through the control handle and is fixed on the inner wall of the safety handle, and a nut is further screwed at one end penetrating through the control handle.

By adopting the technical scheme, the invention has the following technical effects: the luggage case provided by the invention realizes the mutual conversion between the free steering mode and the controlled steering mode, can achieve the real-time and accurate control of the movement direction of the luggage case, and improves the movement stability, accuracy and safety; the safety handle and the control handle can be used as a child hand-holding mechanism and a trunk steering control mechanism, and can also be used as a handle for opening the upper cover, the telescopic rod can be matched with the inserting tongue to realize the closing, opening and adjustment of the upper cover and the trunk body to different heights, the use is convenient, and the fracture is stably prevented; especially as the children's luggage case, also play the role of children's toys and riding tools, perfectly solve the problem of travel with children which causes parents to be headache, on the one hand, can hold the small clothes and small shoes toys of the next children; secondly, the suitcase is a playful riding toy, when sitting on the suitcase for rest, children can play by themselves and can also let daddy and mom pull away, thus being safe and convenient.

Drawings

FIG. 1 is a schematic structural view of a luggage case provided by the present invention;

FIG. 2 is a schematic view of the opening of the luggage case provided by the present invention;

FIG. 3 is a schematic structural view of a control mechanism and linkage mechanism provided by the present invention;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a schematic view of the control handle and safety handle provided by the present invention;

fig. 6 is another schematic structural diagram of the control mechanism and the linkage mechanism provided by the invention.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

It should be noted that the terms of orientation such as front, back, middle, left, right, up and down in the embodiments of the present invention are only relative concepts or reference to the normal use state of the product, and should not be considered as limiting.

Referring to fig. 1-6, an embodiment of the present invention provides a luggage case.

The luggage case includes a case body 100 and an upper cover 110 covering the case body 100, for example, a ring of flange is formed on the top periphery of the case body 100 to be engaged with the upper cover 110. In addition, the front wall and the rear wall of the upper cover 110 are respectively formed with a downwardly extending insertion tongue 111, the insertion tongue 111 and the upper cover 110 are integrally constructed, the insertion tongue 111 is provided with an elastic button 112, the elastic button 112 is a common structure, such as an elastic adjusting button on an umbrella, and the front wall and the rear wall of the box body 100 are respectively provided with an open slot 101 for accommodating the insertion tongue 111 and a through hole 102 for the elastic button 112 to extend out from the open slot 101. The opening direction of the open groove 101 is upward, the axial direction of the through hole 102 is the front-rear direction, the through hole 102 of the front wall of the case 100 communicates the front outside with the inside of the open groove 101, and the through hole 102 of the rear wall of the case 100 communicates the rear outside with the inside of the open groove 101. It should be noted that, since the design starting point of the luggage case is child riding weighing, the wall thickness of the case body is thicker, which provides a structural basis for the design of the latch 111 and the open slot 101 of the present invention.

In addition, the upper cover 110 is configured as a concave structure, and includes a front convex portion, a rear convex portion, and a concave portion connected between the front convex portion and the rear convex portion, so that the upper cover 110 forms a saddle structure, and the luggage case of the present invention can facilitate children riding and provide safety. Be provided with safety handle 120 on the preceding convex part to make things convenient for children to hold, improve the security, safety handle 120 is fixed on handle mount pad 130, handle mount pad 130 inlays the dress and rotate on the convex part in the front and convex part before relatively, and is specific, for example handle mount pad 130 includes mounting panel, lower limiting plate and connects the middle even pipe between them, and safety handle 120 installs on last mounting panel, and middle even pipe and last mounting panel fixed connection, middle even pipe and lower limiting plate threaded connection, upper cover 110 roof in the front the convex part seted up with middle even pipe complex jack, handle mount pad 130 through middle even pipe stretch into in upper cover 110 and spacing through lower limiting plate. The bottom of box 100 is equipped with two preceding universal wheels 140 and two rear universal wheels, and is concrete, and the universal wheel structure can be about two-wheeled and connect the bearing between about two-wheeled, and box 100 links to each other with the universal wheel through the support column that sets up on the bearing, box 100 front portion is equipped with a strap 150 and two fixed knot 160, the strap 150 both ends are connected respectively on two fixed knot 160. Strap 150 may act as a medium for an adult to pull the luggage forward, and may also act as a safety harness for a child riding on the luggage.

The luggage case further comprises a control mechanism and a linkage mechanism, wherein the control mechanism comprises a control handle 170, a connector 180 and an expansion link 190, the control handle 170 is arranged on the handle mounting seat 130 and is positioned in the safety handle 120, two opposite side surfaces of the inner wall of the safety handle 120 are provided with a mounting groove 121 and a guide groove 122 communicated with the mounting groove 121, a return spring 123 is arranged in the mounting groove 121, and two corresponding side surfaces of the outer wall of the control handle 170 are provided with guide protrusions 171 in sliding connection with the guide groove 122.

Wherein, connector 180 includes connecting piece 181 and retaining member 182, be equipped with the restriction under the handle mount pad 130 the rotatory locking hole 131 of retaining member 182, connecting piece 181 passes locking hole 131 and control handle 170 articulated, retaining member 131 with the upper end of telescopic link 190 links to each other. It should be noted that the present invention provides the control handle 170 which can be moved up and down in the safety handle 120 to ensure that the locking member 182 is completely separated from the locking hole 131 and is locked with the locking hole 131. In addition, according to the requirement, the locking member 131 of the present invention may include two parts, which are a first part and a second part, respectively, the first part may be designed as a frustum structure, the second part may be designed as a rectangular parallelepiped, the bottom of the locking hole 131 is formed as a frustum structure matched with the first part, the top is formed as a rectangular parallelepiped, and the cross-sectional area of the top is smaller than the maximum cross-sectional area of the bottom; the purpose of this arrangement is that, when the direction of the telescopic rod 190 is inconsistent with the direction of the locking hole 131 on the handle mounting base 130, the control handle 170 rubs against the guide slot 122 during the lifting process to generate a passive rotation torque force, which drives the telescopic rod 190 to coaxially rotate, and corrects the direction of the telescopic rod 190 until the two components are completely matched.

The linkage mechanism comprises a linkage rod 200, a linkage short rod 210, a linkage cross rod 220 and connecting rods 230, wherein the linkage rod 210 is provided with a linkage rod mounting seat 240 in a penetrating manner, the linkage rod mounting seat 240 is fixed at the bottom in the box body 100, the upper end of the linkage rod 200 is connected with a telescopic rod 190, the lower end of the linkage rod is connected with one end of the linkage short rod 210, the other end of the linkage short rod 210 is hinged with the linkage cross rod 220, two ends of the linkage cross rod 220 are respectively hinged with two connecting rods 230, the two connecting rods 230 are respectively connected with two front universal wheels 140, and particularly, the connecting rods 230 are fixedly connected with supporting columns on bearings. One end of the linkage short rod 210 is provided with a through hole which comprises a sleeve hole and a limiting hole, a fixing pin 250 is arranged in the limiting hole, the linkage rod 200 is sleeved in the sleeve hole, and the limiting hole limits the linkage short rod 210 to rotate relative to the linkage rod 200 and only can move along with the linkage rod 200. When the control handle 170 rotates, the link rod 200 is driven to rotate by the telescopic rod 190, and the link rod 200 can drive the link short rod 210 to rotate, so that synchronous motion of three hinged positions on the link cross rod 220 is realized, and the effect of accurately controlling the motion of the two front universal wheels 140 is achieved.

The invention can realize free switching between free steering and control steering modes by introducing the control mechanism and the linkage mechanism, and realize accurate control of the motion trail of the luggage case. The specific working principle is as follows: when the control handle 170 is pulled upwards, the guide protrusions 171 on both sides of the control handle 170 enter the guide grooves 122, and the control handle 170 is pulled upwards to drive the connector 180 to move upwards, when the locking member 182 enters the locking hole 131, the control handle 170 is rotated, and at this time, the connector 180 is driven to rotate under the locking action of the locking hole 131 on the locking member 182, so that the two front universal wheels 140 are accurately controlled, and at this time, the luggage case of the present invention enters a steering control working mode. When the control handle 170 is not pulled, the control handle 170 is restored to the initial state under the action of the return spring 123, at this time, the locking member 182 is completely separated from the locking hole 131, the linkage rod 200 and the control handle 170 are in a hinged connection mode, at this time, the control handle 170 rotates and cannot drive the linkage rod 200 to rotate, and therefore the luggage case of the present invention is in a free steering state. Through the arrangement, the suitcase realizes the mutual conversion between the free steering working mode and the controlled steering working mode, can achieve the real-time and accurate control of the movement direction of the suitcase, and improves the movement stability, the accuracy and the safety.

The number of the telescopic sections of the telescopic rod 190 is the same as the number of the through holes 102, and the length of each section of the telescopic rod 190 is the same as the distance between two adjacent through holes 102. By the design, the safety handle 120 can be used as a child hand-holding mechanism and a trunk steering control mechanism and can also be used as a handle for opening the upper cover 110, the telescopic rod 190 can be matched with the insertion tongue 111 to realize that the upper cover 110 and the box body 100 are closed, opened and adjusted to different heights, the use is convenient, the telescopic rod 190 can be matched with the insertion tongue 111 to jointly realize the support of the upper cover 110, and the stability and the fracture prevention are realized.

The control mechanism of the present invention further comprises a lead screw 260 having one end connected to the connecting member 181, the other end of the lead screw 260 passes through the control handle 170 and is fixed in the safety handle 120, and a nut is further screwed on the end passing through the control handle 170. The lead screw 260 can extend into the connector to be connected with the connector in a threaded manner. It should be explained that the screw rod of the present invention can be screwed with one nut or two nuts, and the other nut is used to fix one end of the screw 260 on the inner wall upper edge of the control handle 170. When the suitcase is in the free operating condition that turns to, the nut butt is along under the inner wall of control handle 170, and the purpose is when under the reset spring effect, when promoting control handle 170 downstream, control handle 170 drives lead screw 260 downstream, and then promotes connector 180, can guarantee that retaining member 182 in the connector 180 can break away from locking hole 131 completely, guarantee suitcase freely turn to and control turns to the stability and the nimble conversion of function between two kinds of operating mode.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered by the claims of the present invention.

Claims

1. A luggage case, characterized in that: the upper cover is in a concave structure and comprises a front convex part, a rear convex part and a concave part connected between the front convex part and the rear convex part, a safety handle is arranged on the front convex part and fixed on a handle mounting seat, the handle mounting seat is embedded on the front convex part and can rotate relative to the front convex part, two front universal wheels and two rear universal wheels are arranged at the bottom of the box body, a cloth belt and two fixing buckles are arranged at the front part of the box body, two ends of the cloth belt are respectively connected on the fixing buckles, insertion tongues extending downwards are respectively formed on the front wall and the rear wall of the upper cover, an elastic button is arranged on the insertion tongues, and an open slot for accommodating the insertion tongues and a through hole for the elastic button to extend outwards from the open slot are respectively formed on the front wall and the rear wall of the box body;

the safety handle is arranged on the handle mounting seat and positioned in the safety handle, mounting grooves and guide grooves communicated with the mounting grooves are formed in two opposite side surfaces of the inner wall of the safety handle, return springs are arranged in the mounting grooves, and guide protrusions in sliding connection with the guide grooves are arranged on two corresponding side surfaces of the outer wall of the control handle; the connecting head comprises a connecting piece and a locking piece, a locking hole for limiting the rotation of the locking piece is formed below the handle mounting seat, the connecting piece penetrates through the locking hole to be hinged to the control handle, the locking piece is connected with the upper end of the telescopic rod, the linkage mechanism comprises a linkage rod, a linkage short rod, a linkage transverse rod and a connecting rod, the linkage rod is provided with a linkage rod mounting seat in a penetrating manner, the linkage rod mounting seat is fixed at the bottom in the box body, the upper end of the linkage rod is connected with the telescopic rod, the lower end of the linkage rod is connected with one end of the linkage short rod, the other end of the linkage short rod is hinged to the linkage transverse rod, two ends of the linkage transverse rod are respectively hinged to two connecting rods;

the number of the telescopic sections of the telescopic rod is the same as that of the through holes, and the length of each section of the telescopic rod is the same as the distance between two adjacent through holes;

the control mechanism further comprises a lead screw, one end of the lead screw is connected with the connecting piece, the other end of the lead screw penetrates through the control handle and is fixed on the inner wall of the safety handle, and a nut is further screwed at one end penetrating through the control handle.