CN209421214U - A kind of trolley case double pull rod structure - Google Patents

Abstract

The utility model discloses a kind of trolley case double pull rod structures, rod assembly including being located at cabinet front and rear side, the rod assembly includes fixing pipe, telescopic rod and handle, fixing pipe is respectively equipped in the two sides of cabinet, that slides in fixing pipe is inserted with telescopic rod, is connected with handle in the upper end of telescopic rod；Castor assembly is installed in the lower end of fixing pipe, the castor assembly includes the trundle bracket for being mounted on fixing pipe lower end and the castor being located on trundle bracket.Using the structure of the utility model, the anti-pressure ability of trolley case can be improved, the strength of pushing drawing rod case can be shared, facilitates processing and maintenance trolley case.

Description

A kind of trolley case double pull rod structure

Technical field

The utility model relates to trolley cases, especially double pull rod structure.

Background technique

Trolley case refers to the luggage case with pull rod and idler wheel.It is widely used because its is easy to use.Meanwhile trolley case Because chest sets a pull rod, it there are single tube pull rod and two-tube pulling rod, the Guan Yiyou square tube of pull rod and point of round tube, to facilitate walking When in tow, reduce the heavy burdens significantly.Trolley case can be portable or be dragged, our wheels of trolley case usually used are substantially all Positioned at chest bottom.At present mainly with cloth case, the hard case of ABS, leather trunk, PC etc. be main material, and by usability be divided into directional wheel, Universal wheel and newest detachable universal wheel trolley case three categories.

It is all form draw-bar box to current either single tube or two-tube pulling rod case, is such as in Chinese Patent Application No. 201621069634.3 the applying date is that 2016.9.22 authorized announcement date is to disclose a kind of drawing in the patent document of 2017.5.10 Bar cart outside setting case, including trolley case ontology and pull rod, pull rod include main tie and telescopic rod, and telescopic rod is equipped with and mentions Hand, trolley case ontology back two sides and back upper end have recess, and main tie is mounted on the indent of the back two sides, stretches When main tie described in draw retraction, handle is located at the indent of the back upper end.In the back two sides of trolley case ontology And recess is arranged in back upper end, main tie is placed in the recess of back two sides, compared between two main ties of conventional whip Spacing, apart from expanded, so that, with biggish space, can be put in trolley case when placing wider article More articles are set, in addition, by the way that radian is arranged in the exposed surface of main tie and handle, and the width of handle expands simultaneously Greatly, after may make pull rod to install, surface is neatly just looked at identical with conventional tie rod case, does not lose beauty.But (1) if draw When luggage and articles in rod box are very heavy, can only people's pushing drawing rod case, in this way, pushing drawing rod case is relatively elaborate.(2) it is travelling Or during going on business, in order to save placement space, multiple luggage may be packed together, and when trolley case is by biggish pressure When power, due to only having side to be provided with pull rod as reinforcement supporting member, and the other side of trolley case is only by trolley case ontology Selve support, therefore, the anti-pressure ability of entire trolley case are poor.

Summary of the invention

The purpose of the utility model is to provide a kind of trolley case double pull rod structures can be mentioned using the structure of the utility model The anti-pressure ability of high trolley case can share the strength of pushing drawing rod case, facilitate processing and maintenance trolley case.

In order to achieve the above objectives, a kind of trolley case double pull rod structure, the rod assembly including being located at cabinet front and rear side, The rod assembly includes fixing pipe, telescopic rod and handle, is respectively equipped with fixing pipe in the two sides of cabinet, sliding in fixing pipe Dynamic is inserted with telescopic rod, is connected with handle in the upper end of telescopic rod；Castor assembly is installed in the lower end of fixing pipe, it is described Castor assembly includes the trundle bracket for being mounted on fixing pipe lower end and the castor being located on trundle bracket.

Above structure is respectively provided with rod assembly in the front side of cabinet and rear side, so that cabinet is in front and back rod assembly Support under have more powerful anti-pressure ability.Cabinet both sides are equipped with cart outside setting component, and user can be more than two people same When pushing drawing rod case to share push needed for strength, when so that luggage and articles are very heavy, can easily push together.Solid The lower end for determining pipe is equipped with castor assembly.Compared with the existing technology, castor assembly is not fixed with cabinet, in this way, allowing rod assembly It forms a whole with castor assembly, facilitates integral installation and disassembly rod assembly and castor assembly, easy to process and maintenance is drawn Rod box.

Further, connector is plugged between telescopic rod and handle.In this way, the handle and flexible of being easy for installation and removal Bar.

Detailed description of the invention

Fig. 1 is duplex pull rod cart outside setting case perspective view.

Fig. 2 is duplex pull rod cart outside setting case main view.

Fig. 3 is the exploded view of duplex pull rod cart outside setting case.

Fig. 4 is the exploded view at another visual angle of duplex pull rod cart outside setting case.

Two rod assemblies are the same as high schematic diagram after Fig. 5 stretches out for telescopic rod.

Fig. 6 is the different high schematic diagrames of two rod assemblies after telescopic rod stretches out.

Fig. 7 is the perspective view of castor assembly.

Fig. 8 is the main view of castor assembly.

Fig. 9 is upper and lower aluminium frame exploded view.

Figure 10 is the schematic diagram after upper and lower aluminium frame folds.

Specific embodiment

The present invention will be further described in detail with reference to the accompanying drawings and detailed description.

As shown in Figures 1 to 10, duplex pull rod cart outside setting case includes cabinet 1, rod assembly 2 and castor assembly 3.At this In utility model, double pull rod structure includes rod assembly and castor assembly.

The cabinet 1 includes lower box 12 and upper box 11.Upper box 11 is hinged on lower box 12；It is practical new at this In type, referring to figs. 5 and 6, left side is the front side of cabinet, and right side is the rear side of cabinet.

As shown in Figure 3 and Figure 4, two sides are equipped with the preceding accommodation groove 111 extended up and down before upper box 11, in upper box Upside is equipped with the forward recess 112 communicated with the preceding accommodation groove 111 of two sides being laterally extended before 11, is located on upper box 11 The lower edge of forward recess 112 is equipped with preceding recessed portion 113.The rear accommodation groove extended up and down is equipped in the two sides behind of lower box 12 121, behind the lower box 12 on the upside of be equipped with the rearward recess 122 communicated with the rear accommodation groove of two sides being laterally extended.

As shown in Figure 9 and Figure 10, it is equipped with lower aluminium frame 5 in the open edge of lower box 12, in the open edge of upper box 11 Equipped with upper aluminium frame 4.The section of the lower aluminium frame 5 include lower interconnecting piece 51, from one end of lower interconnecting piece 51 to outside lower box 12 The lower blocking part 52 and the lower protruding block 53 extended from the downward box inside in one end of lower interconnecting piece that side extends, it is separate in lower protruding block 53 The side of lower interconnecting piece is equipped with card slot 54；The lower convex ribs 55 that downward box inside extends are equipped in the medial surface of lower interconnecting piece 51, Lower groove 50 is formed between lower convex ribs 55 and lower protruding block 53, in this way, the intensity of lower aluminium frame can be improved.

The upper aluminium frame 4 include upper interconnecting piece 41, from one end of upper interconnecting piece 41 to upper box 11 on the outside of extend it is upper Blocking part 42 is located at 41 one end of interconnecting piece to the upper protruding block 43 extended on the inside of upper box 11 and is located on upper protruding block 43 and card slot The fastening part 44 of 54 cooperations, forms step between upper protruding block 43 and upper blocking part, is equipped with clamping groove in the outside of upper protruding block 43 46, clamping groove 46 is equipped with sealing ring 6.It is equipped with the upper rib 45 that upward box inside extends in the medial surface of upper interconnecting piece 41, Upper groove 40 is formed between upper rib 45 and upper protruding block 43.

Card slot is V-arrangement, and fastening part is V-arrangement.Using V-arrangement card slot and fastening part, when fastening part and card slot are in engagement process, It can not only play the role of guide-localization to upper and lower aluminium frame, and make cooperation more good.

The lower interconnecting piece 51 is inserted on the inside of the open edge of lower box 12, withstands nowel by lower blocking part 52 The open edge of body 12 plays the role of positioning lower aluminium frame 5.The upper interconnecting piece 41 is inserted into the open edge of upper box 11 Inside withstands the open edge of upper box 11 by upper blocking part 42, plays the role of positioning upper aluminium frame 4.Work as upper and lower box After folding, in fastening part 44 holding to card slot 54, on the one hand, folded to upper and lower box and play the role of positioning, prevent nowel Body dislocation folds, and is on the other hand avoided that cabinet cracks between upper and lower box in processes such as transports.Due to being provided with card Slot is set, it is therefore, more reliable to the positioning of sealing ring, avoid sealing ring from being detached from upper aluminium frame.After being provided with sealing ring 6, on After cabinet 11 and lower box 12 fold, sealing ring 6 is folded to upper and lower aluminium frame with buffer function, and upper and lower aluminium frame is avoided directly to touch It hits, in this way, the noise during cabinet folds can be reduced, while can be reduced the abrasion and deformation of upper and lower aluminium frame, play in protection The effect of lower aluminium frame, in addition, sealing ring improves the sealing performance of cabinet, the effect for the waterproof and dustproof for being is good.By in setting Lower convex ribs can improve the intensity of aluminium frame up and down.As shown in Figure 10, A is the outside of upper box and lower box, and B is upper box under The inside of cabinet.

As shown in Figures 1 to 6, the rod assembly 2 includes fixing pipe 21, telescopic rod 22 and handle 23.Preceding accommodation groove 111 and rear accommodation groove 121 in pass through the fixed fixing pipe 21 of the screw for passing through cabinet from box inside respectively, fixing pipe 21 is cut Face includes two orthogonal sides and the arc-shaped edges that are connected between two vertical edges, i.e., is respectively equipped in the front side of cabinet and rear side Rod assembly 2.That slides in fixing pipe 21 is inserted with telescopic rod 22, and buckle is equipped between telescopic rod 22 and fixing pipe 21, is stretched Setting buckle belongs to the prior art between contracting bar 22 and telescopic rod and fixing pipe.Pass through 90 degree of connectors in the upper end of telescopic rod 22 24 are plugged with handle 23, using the structure connection expansion link and handle of connector grafting, are easily installed and removal handle and flexible Bar.The lateral surface of handle is arc-shaped edges.

Castor assembly 3 is plugged in the lower end of fixing pipe 21.As shown in Figure 7 and Figure 8, castor assembly 3 includes trundle bracket 31 and the castor 32 that is mounted on trundle bracket 31.

Above structure is respectively provided with rod assembly in the front side of cabinet and rear side, so that cabinet is in front and back rod assembly Support under have more powerful anti-pressure ability.Cabinet both sides are equipped with cart outside setting component, and user can be more than two people same When pushing drawing rod case to share push needed for strength, when so that luggage and articles are very heavy, can easily push together.Work as drawing After the telescopic rod of bar assembly is flexible, placement space is formd between the telescopic rod of front and rear sides, in this way, just increasing luggage object The placement space of product can carry more luggage and articles.The external setting of the rod assembly of the utility model, can more save internal peace Dress space is to increase the capacity of cabinet, and the spacing between two telescopic rods in same rod assembly increases, to put in inside When setting wider article, there is bigger space, more articles can be put, while possessing the equally wide handle of same cabinet, such as Fig. 7 With shown in Fig. 8, telescopic rod can stretch according to actual needs, and the telescopic rod height of two rod assemblies can be adjusted respectively Section, in this way, can freely adjust suitable height according to the height of oneself.Since castor assembly is mounted under fixing pipe End, compared with the existing technology, castor assembly is not fixed with cabinet, in this way, rod assembly is allowed to form a whole with castor assembly, Facilitate integral installation and disassembly rod assembly and castor assembly, easy to process and maintenance trolley case.It is accommodated due to being provided with front and back Slot and front and back groove, in this way, will not increase the outer dimension of cabinet because of the installation of fixing pipe, the placement for saving trolley case is empty Between, and in cabinet place compared with wide article when, have bigger placement space.

And after telescopic rod folds, handle is located in forward recess and rearward recess, in this way, not will increase the whole outer of trolley case Shape size.Due to being provided with preceding recessed portion so that it is convenient to apply pulling force to handle, telescopic rod elongation is allowed to be easy to use.Fixing pipe Section include two orthogonal sides and the arc-shaped edges that are connected between two vertical edges；The lateral surface of handle is arc-shaped edges.This Sample, arc-shaped is presented after folding and is overlapped with the accommodation groove of cabinet and groove for rod assembly, so that box shape becomes normal The cuboid with radian is advised, it is beautiful and generous.

Claims (3)

1. a kind of trolley case double pull rod structure, it is characterised in that: the rod assembly including being located at cabinet front and rear side, it is described Rod assembly includes fixing pipe, telescopic rod and handle, is respectively equipped with fixing pipe in the two sides of cabinet, and that slides in fixing pipe inserts Equipped with telescopic rod, handle is connected in the upper end of telescopic rod；Castor assembly, the casters group are installed in the lower end of fixing pipe Part includes the trundle bracket for being mounted on fixing pipe lower end and the castor being located on trundle bracket.

2. trolley case double pull rod structure according to claim 1, it is characterised in that: the section of fixing pipe includes two mutually vertical Straight side and the arc-shaped edges being connected between two vertical edges；The lateral surface of handle is arc-shaped edges.

3. trolley case double pull rod structure according to claim 1, it is characterised in that: the company of being plugged between telescopic rod and handle Connector.