CN209594962U - A kind of type of extension trolley case - Google Patents

Abstract

The utility model discloses a kind of type of extension trolley cases, it is related to consumer goods industries, cabinet including two fastenings that are hinged, cabinet upper end is equipped with lifting handle and pull rod, cabinet is symmetrically arranged with traveling wheel close to lower end two sides, cabinet includes square framework, cabinet inner plating, cabinet lamina rara externa, cabinet inner plating is located on square frame, cabinet lamina rara externa is coated on the outside of cabinet inner plating, cabinet lamina rara externa and cabinet inner plating are separated from each other, each cabinet lamina rara externa includes being located at quadrangle and mutually independent 4 panels, square framework includes 12 casings mutually spliced, casing includes outer tube and two sections of inner tubes being inlaid in outer tube, inner tube is fixedly connected with panel by connection frame close to the end of cabinet, row's card slot hole is equidistantly offered along outer tube length direction on outer tube, inner tube is equipped with away from the end of cabinet matches with card slot hole Close from lock slide, from lock slide for fixed outer, between inner tube relative position, have that cabinet overall dimensions are adjustable, advantage easy to use.

Description

A kind of type of extension trolley case

Technical field

The utility model relates to technical field of living goods more particularly to a kind of trolley cases.

Background technique

Trolley case is the chest for being used to Load luggage during the journey, and the appearance of trolley case is brought greatly just to the trip of people Benefit, while there is also some problems for trolley case, bring some puzzlements to trip.Such as during the journey, luggage is more sometimes, sometimes, Luggage case is few.Luggage case has big and small many specifications.Big luggage case Load luggage is few, and wasting space is inconvenient to use, Luggage is more, and luggage case is small, can not load.Chest is fixed size, and individual belongings can not be loaded beyond box sizes； In order to use luggage case suitably it is necessary to prepare the luggage case of multiple specifications, but in airplane trip, have to trolley case Strict requirements, consign the number of trolley case no more than 2, the size of portable carry-on case is no more than 20 cun of (34* 50*20cm) etc.；Trolley case needs to be lifted up and could pass through when passing through step simultaneously, bothersome laborious.

Utility model content

The purpose of this utility model be solve the problems, such as existing trolley case size fix, loading volume it is immutable, provide one Kind of type of extension trolley case, has that cabinet overall dimensions are adjustable, advantage easy to use.

In order to achieve the goal above, the technical solution adopted in the utility model is: a kind of type of extension trolley case, including two The cabinet of a fastening that is hinged, cabinet upper end are provided with lifting handle and pull rod, and the cabinet is symmetrically set close to lower end two sides It is equipped with traveling wheel, the cabinet includes square framework, cabinet inner plating, cabinet lamina rara externa, and cabinet inner plating is arranged in square box On frame, cabinet lamina rara externa is coated on the outside of cabinet inner plating, and cabinet lamina rara externa and cabinet inner plating are separated from each other, outside each cabinet Laminate includes being located at quadrangle and mutually independent 4 panels, and the square framework includes 12 casings mutually spliced, the set Pipe is fixedly connected close to the end of cabinet by connection frame including outer tube and two sections of inner tubes being inlaid in outer tube, said inner tube Panel, equidistantly offers row's card slot hole along outer tube length direction on the outer tube, and said inner tube is arranged away from the end of cabinet Have with the cooperation of card slot hole from lock slide, from lock slide for fixed outer, between inner tube relative position.

In order to advanced optimize the utility model, following technical scheme can be preferentially selected:

Preferably, the cabinet inner plating middle position of top of the box, the pull rod setting is arranged in the lifting handle Panel middle position in top of the box.

Preferably, it includes big hub wheel group and support steamboat group, the big hub vehicle that the traveling wheel, which is provided with two groups, Wheel group is symmetricly set on lower box two sides, and the support steamboat group is symmetricly set on the bottom of box.

Preferably, the minimum point of the big hub wheel group and support steamboat group is located at same level.

Preferably, the connection frame includes the frame of square, and frame is fixed at position on the inside of the apex angle of cabinet lamina rara externa Set place, face inner pipe end position is provided with 3 dowels on the frame, the dowel respectively with opposite inner pipe end It is fixedly connected.

Preferably, self-locking slide position is corresponded in said inner tube and is provided with fixing seat, offers section in the fixing seat It is described to be inverted T shaped from lock slide section and be movably embedded into mounting groove for inverted T shaped mounting groove, sliding block is corresponded in mounting groove Bottom position is provided with support spring, and when the support spring free state, column upper end of slide block is extended outer wall of inner tube and pushed up It holds in the card slot hole of outer tube.

Preferably, the corner location of the panel is provided with for controlling from lock slide from lock control mechanism, from lock control Mechanism processed includes connecting rod, and said inner tube is provided with articulated shaft close to the end of cabinet, and connecting rod in inner tube and is rotated through setting It is mounted on articulated shaft, connecting rod extends inner tube close to the end of cabinet and is provided with pressing plate, and the connecting rod other end extends to inner tube End is simultaneously connected from lock slide, and panels outside corresponds to press plate position and offers adjusting hole.

Preferably, described that ring-like card slot is offered from the lateral wall on lock slide top, the connecting rod deviates from the end of cabinet Portion extends top and holds in annular slot.

The beneficial effects of the utility model are:

1, the utility model is designed by telescopic structure, and the size of the length of chest is risen to original two Times, guarantee that chest size can be adjusted according to the size of object in use process；Simultaneously because outer-layer box body plate and interior layer box body Each face is divided into mutually indepedent four panels in the independent design and cabinet lamina rara externa of plate, and collocation is from lock slide and self-locking Control mechanism can guarantee that all directions of trolley case can realize structural strength that is flexible, while guaranteeing cabinet entirety.

2, two groups of traveling wheels are provided in the utility model, increasing hub diameter (big hub wheel group) makes the logical of luggage case The ability enhancing of obstacle is crossed, even if certain situations cannot directly pass through, the wheel hub increased will utilize wheel hub when passing through step Contact point between step forms fulcrum, according to lever principle, at this point, hand apart from fulcrum farther out, people is relatively labor-saving；Simultaneously at this Wherein big hub wheel group, support steamboat group and ground-contacting position are horizontal in utility model, and the purpose is to guarantee trolley case water It equals stability when moving and does not increase box height.

Detailed description of the invention

Fig. 1 is trolley case overall structure intention；

Fig. 2 is trolley case body-side view；

Fig. 3 is endothecium structure schematic diagram；

Fig. 4 is box house vertex structural schematic diagram；

Fig. 5 connecting frame structure schematic diagram；

Fig. 6 is inside pipe casing structural schematic diagram；

Fig. 7 is inner tube schematic perspective view；

Fig. 8 is self-locking slide block structure schematic diagram；

Fig. 9 is structural schematic diagram at A；

Figure 10 is structural schematic diagram at B.

Wherein, 1- cabinet lamina rara externa, 2- cabinet inner plating, 3- square framework, 4- connection frame, 5- is from lock slide, 6- panel, 7- big hub wheel group, 8- support steamboat group, 9- cabinet lock, the hinged mounting blocks of 10-, 11- lifting handle, 12- pull rod, 13- Connecting rod, 14- adjusting hole, 15- pressing plate, 16- articulated shaft, 301- inner tube, 302- outer tube, 303- card slot hole, 401- frame, 402- connect Connect muscle, 501- fixing seat, 502- mounting groove, 503- support spring, 504- annular slot.

Specific embodiment

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment 1

As Figure 1-10 shows, a kind of type of extension trolley case, the cabinet including left and right two fastenings that are hinged, cabinet Middle position side is equipped with 3 cabinet locks 9, and cabinet middle position is equipped with 3 hinged mounting blocks 10 with respect to the other side, protects The normal opening and closing of cabinet are demonstrate,proved, cabinet upper end is equipped with lifting handle 11 and pull rod 12, and cabinet is symmetrical close to lower end two sides Traveling wheel is installed, it includes big hub wheel group 7 and support steamboat group 8 that traveling wheel, which is equipped with two groups, and 7 groups of big hub wheel symmetrical Lower box two sides are mounted on, support steamboat group 8 is using universal wheel and is symmetrically mounted on the bottom of box, by increasing big hub vehicle The hub diameter of wheel group enhances the ability by obstacle of luggage case, even if certain situations cannot directly pass through, increases Wheel hub will form fulcrum using the contact point between wheel hub and step when passing through step, according to lever principle, at this point, hand away from Farther out from fulcrum, people is relatively labor-saving；The minimum point of big hub wheel group and support steamboat group is located at same level, purpose simultaneously Be guarantee its horizontal movement when stability and do not increase box height.

Cabinet includes square framework 3, cabinet inner plating 2, cabinet lamina rara externa 1, six pieces of 2 sides of being fixedly mounted on of cabinet inner plating On shape frame 3, cabinet lamina rara externa 1 is coated on 2 outside of cabinet inner plating, and cabinet lamina rara externa 1 and cabinet inner plating 2 are separated from each other, It can be relatively moved between the external laminate 1 of guard box and cabinet inner plating 2, each cabinet lamina rara externa is using positioned at quadrangle and mutually Independent 4 panels 6, square framework include 12 casings mutually spliced, and casing includes outer tube 302 and is inlaid in outer tube Two sections of inner tubes 301, inner tube 301 is fixedly connected with panel 6 by connection frame close to the end of cabinet, and connection frame 4 includes square Frame 401, frame 401 are fixedly mounted at the apex angle inner side of cabinet lamina rara externa 1, face inner tube position on frame 401 It sets and 3 dowels 402 is installed, dowel 402 is fixedly connected with opposite 301 end of inner tube respectively, by connection frame 4 by case It three pieces of panels 6 at body corner position and is fixedly connected between inner tube, guarantees to move synchronously between inner tube 301 and three pieces of panels 6 To guarantee the structural strength of cabinet entirety.

Row's card slot hole 303 is equidistantly offered along outer tube length direction on outer tube 302, inner tube is installed away from the end of cabinet Have with the cooperation of card slot hole 303 from lock slide 5, is used for outside fixed from lock slide 5, the relative position between inner tube, in inner tube 301 Corresponding to be equipped with fixing seat 501 from 5 position of lock slide, it is inverted T shaped mounting groove 502 that section is offered in fixing seat 501, self-locking Sliding block section is inverted T shaped and is movably embedded into mounting groove 502, and slider bottom position is corresponded in mounting groove 502 and is equipped with support Spring 503 when 503 free state of support spring, extends outer wall of inner tube and pushes up and hold in the card slot hole of outer tube from 5 upper end of lock slide Interior, when 503 compressive state of support spring, self-locking upper end of slide block is detached from the card slot hole 303 of outer tube, guarantees that inner tube can be in outer tube The cover board of cabinet overall dimensions is realized in sliding, to guarantee the integrally-built intensity of cabinet and convenient for operability, the quadrangle of panel 6 Position is equipped with for controlling from lock slide from lock control mechanism, includes connecting rod 13 from lock control mechanism, inner tube is close to cabinet End articulated shaft 16 is installed, connecting rod is installed through in inner tube and is rotatably installed on articulated shaft 16, and connecting rod 13 is close to case The end of body extends inner tube and is equipped with pressing plate 15, and ring-like card slot 504 is offered from the lateral wall on 5 top of lock slide, even Bar extends top away from the end of cabinet and holds in annular slot 504, and press plate position is corresponded on the outside of panel 6 and offers adjusting hole 14, By pressing pressing plate 15, coupler link is rotated, and since even, 13 other ends are installed on from lock slide 5, connecting rod is driven certainly Lock slide is mobile and then compresses to support spring, is detached from card slot hole 303 from lock slide 5, lifting handle 11 is mounted on cabinet The cabinet inner plating middle position at top, pull rod 12 are mounted on top of the box in the panel of 7 side of big hub wheel group Between at position, pass through obstacle by being promoted 11 hands to can be convenient lift to cabinet；It can be convenient cabinet by pull rod 12 It is mobile on slippery traffic surface to save human and material resources.

The working process of this embodiment is as follows: when loading large article using trolley case, according to the size adjusting tank of article The size of body presses the pressing plate on connecting rod by four adjusting holes on panel, due to the connecting rod other end in inner tube Top is held from lock slide, and connecting rod can rotate at press plate position, and then drives the card slot that outer tube is detached from from lock slide Hole, can be interior since inner pipe end is fixedly connected by connection frame with cabinet lamina rara externa with Relative sliding between outer at this time, inner tube Pipe is mobile to drive cabinet lamina rara externa to generate movement, realizes the variation of box house size, after box sizes adjustment is suitable, stops It is extended in card slot again under the elastic force of support spring after pressing from lock slide, guarantees that position is locked between outer, inner tube； Lock is opened when needing to store article, and the cabinet fastened is made to open deposit article；When passing through step, big hub wheel group by Fulcrum will be formed using the contact point between wheel hub and step when passing through step in the wheel hub that it increases, according to lever principle, Hand is relatively labor-saving compared with people living in faraway places apart from fulcrum at this time.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (8)

1. a kind of type of extension trolley case, the cabinet including two fastenings that are hinged, cabinet upper end be provided with lifting handle and Pull rod, the cabinet are symmetrically arranged with traveling wheel close to lower end two sides, it is characterised in that: the cabinet includes square framework, case Internal laminate, cabinet lamina rara externa, cabinet inner plating are arranged on square frame, and cabinet lamina rara externa is coated on outside cabinet inner plating Side, cabinet lamina rara externa and cabinet inner plating are separated from each other, and each cabinet lamina rara externa includes being located at quadrangle and mutually independent 4 faces Plate, the square framework include 12 casings mutually spliced, and described sleeve pipe includes outer tube and be inlaid in outer tube two sections Inner tube, said inner tube is fixedly connected with panel by connection frame close to the end of cabinet, along outer tube length direction etc. on the outer tube Away from offering row's card slot hole, said inner tube is provided with the cooperation of card slot hole away from the end of cabinet from lock slide, self-locking cunning Block is for fixed outer, between inner tube relative position.

2. a kind of type of extension trolley case according to claim 1, it is characterised in that: the lifting handle is arranged in cabinet The panel middle position of top of the box is arranged in the cabinet inner plating middle position at top, the pull rod.

3. a kind of type of extension trolley case according to claim 1, it is characterised in that: the traveling wheel is provided with two groups of packets Big hub wheel group and support steamboat group are included, the big hub wheel group is symmetricly set on lower box two sides, and the support is small Wheel group is symmetricly set on the bottom of box.

4. a kind of type of extension trolley case according to claim 3, it is characterised in that: the big hub wheel group and support The minimum point of steamboat group is located at same level.

5. a kind of type of extension trolley case according to claim 1, it is characterised in that: the connection frame includes the frame of square Frame, frame are fixed at the apex angle inner side of cabinet lamina rara externa, and face inner pipe end position is provided with 3 on the frame A dowel, the dowel are fixedly connected with opposite inner pipe end respectively.

6. a kind of type of extension trolley case according to claim 1, it is characterised in that: correspond in said inner tube from lock slide Position is provided with fixing seat, offered in the fixing seat section be inverted T shaped mounting groove, it is described from lock slide section be fall T Type is simultaneously movably embedded into mounting groove, and slider bottom position is corresponded in mounting groove and is provided with support spring, the support spring is certainly When by state, column upper end of slide block, which is extended outer wall of inner tube and pushed up, is held in the card slot hole of outer tube.

7. a kind of type of extension trolley case according to claim 6, it is characterised in that: the corner location of the panel is arranged Have for controlling from lock slide from lock control mechanism, includes connecting rod from lock control mechanism, said inner tube is close to the end of cabinet It is provided with articulated shaft, through being arranged in inner tube and being rotatably installed on articulated shaft, connecting rod extends connecting rod close to the end of cabinet Inner tube and it is provided with pressing plate out, the connecting rod other end extends to inner pipe end and connects from lock slide, and panels outside corresponds to pressing plate position It sets and offers adjusting hole.

8. a kind of type of extension trolley case according to claim 7, it is characterised in that: the outside from lock slide top Ring-like card slot is offered on wall, the connecting rod extends top away from the end of cabinet and holds in annular slot.