CN206525686U

CN206525686U - Draw-bar box

Info

Publication number: CN206525686U
Application number: CN201720045462.4U
Authority: CN
Inventors: 周国方
Original assignee: Yu Tong Bags (shanghai) Co Ltd
Current assignee: Yu Tong Bags (shanghai) Co Ltd
Priority date: 2017-01-12
Filing date: 2017-01-12
Publication date: 2017-09-29
Anticipated expiration: 2027-01-12

Abstract

The utility model discloses a kind of draw-bar box, roller including casing, on the bottom plate of casing and the pull bar on casing backboard, auxiliary wheel is set on the bottom plate, connecting rod is provided between the auxiliary wheel and bottom plate, the connecting rod is hinged with bottom plate, and the accommodating groove for drawing auxiliary wheel in is offered on the bottom plate.Auxiliary wheel is set, it is supported by auxiliary wheel, so as to form the supporting construction of intersection, and then when pulling draw-bar box, the active force of arm only needs to carry out the pulling force in water surface direction, without the lifting force on vertical direction, so that the power used when draw-bar box dragging reduces, and then tote body becomes light.Auxiliary wheel can be packed up when draw-bar box is deposited, the storage of draw-bar box not influenceed by accommodating groove.

Description

Draw-bar box

Technical field

The utility model is related to travel goods, more particularly to a kind of draw-bar box.

Background technology

Draw-bar box, also known as suitcase, luggage case, are the entrained chests to place article when going out, it is luggage One of which type.Usual draw-bar box is clothing, personal-care supplies and the souvenir required for placing on journey.

Draw-bar box is many times that now, hand is obliquely, to decompose to the pulling force of draw-bar box into line tilt in dragging Afterwards, its power part is used to be offset with the gravity of chest, and another part power is only the pulling force of dragging chest, so that when a lot Wait, although pull that dynamic pulling force is very big, but a big chunk power is still acted in the weight of casing, allows hand to have the work of extract product With so as at this time pull draw-bar box relatively more tired.

Utility model content

The purpose of this utility model is to provide a kind of pull and compares easily draw-bar box.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of draw-bar box, including casing, the roller on the bottom plate of casing and the drawing on casing backboard Auxiliary wheel is set on bar, the bottom plate, connecting rod is provided between the auxiliary wheel and bottom plate, the connecting rod is cut with scissors with bottom plate Connect, the accommodating groove for drawing auxiliary wheel in is offered on the bottom plate.

By using above-mentioned technical proposal, auxiliary wheel is set, is supported by auxiliary wheel, so as to form the support of intersection Structure, and then when pulling draw-bar box, the active force of arm only needs to carry out the pulling force in water surface direction, without vertical direction On lifting force so that the power that uses reduces when draw-bar box dragging, and then tote body becomes light.Accommodating groove can When draw-bar box is deposited, auxiliary wheel can be packed up, the storage of draw-bar box is not influenceed.

The utility model is further arranged to：The connection boom end is provided with rotating bar, and rotating bar is placed in accommodating groove, And rotating bar is located in accommodating groove and rotated with the cell wall of accommodating groove and is connected.

By using above-mentioned technical proposal, connecting rod and rotating bar are attached, so that connecting rod can be rotated into Enter or produce accommodating groove, thus allow for depositing and take out.

The utility model is further arranged to：Card interface is provided with the accommodating groove, the card interface coordinates with connecting rod.

By using above-mentioned technical proposal, connecting rod can be fixed for card interface, so as in storage, will not shake It is dynamic, it is more convenient.

The utility model is further arranged to：The notch position of the accommodating groove is provided with capping, the capping side and groove The edge of mouth is hinged, opposite side and notch edges clamping.

By using above-mentioned technical proposal, capping can be protected to auxiliary wheel, while it is also possible that casing is overall Better appearance.

The utility model is further arranged to：The bottom plate is provided with groove, and the groove matches with connecting rod, described Groove extends to tergal position by accommodating groove.

By using above-mentioned technical proposal, the setting of groove enables connecting rod is integrated therewith to be fitted, so as to allow The supporting surface increase of connecting rod, and then support bar stress is not forced concentration than more uniform, so that connecting rod does not allow frangibility.

The utility model is further arranged to：The connecting rod includes the loop bar being fixedly connected with rotating bar and is placed in set The interior bar slided in bar along loop bar, is provided with limiting mechanism between the loop bar and interior bar, the auxiliary wheel is arranged in interior bar.

By using above-mentioned technical proposal, the setting of interior bar and loop bar causes connecting rod to turn into expansion link, can be grown Degree regulation, and then can be when pulling casing, can be when the angle of drawing be different, it is necessary to which the position of interior bar and loop bar is adjusted Put.

The utility model is further arranged to：The limiting mechanism includes some limitation teeth being arranged in loop bar and set The fastener in interior bar is put, the fastener is matched by torsion spring with limitation tooth, and the interior boom end is provided with pressing piece, described Connecting rod is provided between pressing piece and fastener, the connecting rod is connected with pressing piece and fastener respectively, the pressing piece drive link So that fastener is separated with limitation tooth.

By using above-mentioned technical proposal, interior bar and loop bar is enabled to be limited using the latch on limitation tooth and fastener System, the latch that the setting of torsion spring can allow on fastener is fitted close with limitation tooth, by the setting of pressing piece and connecting rod, Allow fastener to be rotated, so that latch departs from limitation tooth, and then interior bar and loop bar are mutually slided.

Brief description of the drawings

Fig. 1 is the present embodiment three-dimensional structure diagram；

Fig. 2 is box body bottom structure figure, shows auxiliary wheel collapsed state；

Fig. 3 is the enlarged drawing at A in Fig. 2；

Fig. 4 is box body bottom structure figure, shows state during auxiliary wheel work；

Fig. 5 is connecting rod structure chart；

Fig. 6 is that the present embodiment is pulling structure graph when using.

In figure：1st, casing;10th, bottom plate；11st, accommodating groove；12nd, groove；13rd, card interface；131st, projection；132nd, deep-slotted chip breaker； 14th, cover；15th, bayonet socket；16th, fixture block；2nd, roller；3rd, pull bar；4th, auxiliary wheel；41st, connecting rod；411st, loop bar；412nd, interior bar； 413rd, tooth is limited；414th, limitation set；415th, limit raised；416th, fastener；417th, pressing piece；418th, connecting rod；419th, latch；410、 Torsion spring；42nd, rotating bar；43rd, bridgeware.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

A kind of draw-bar box, as shown in figure 1, including casing 1, the corner location of the bottom plate 10 of casing 1 is provided with roller 2, Carry out promoting casing 1 to advance by four rolling 2.Pull bar 3 is set on the backboard of casing 1, casing 1 carried out by pull bar 3 Pull.Inclined angle can be typically formed when draw-bar box is pulled, now the power of hand is largely all pair when pulling The load-bearing of chest in itself is pulled up, and then most active force is not used on pushing drawing rod case.In order to solve this Problem, auxiliary wheel 4 is set in the bottom of draw-bar box（As shown in Figure 6）, auxiliary wheel 4 be arranged on casing 1 install pull bar 3 side. Auxiliary wheel 4 can be coordinated with the roller 2 close to the position of auxiliary wheel 4, make casing 1 inclined, so as to drag draw-bar box When auxiliary wheel 4 can be allowed to be supported, the support force of intersection is formed between auxiliary wheel 4 and roller 2, can to casing 1 More stable support force is provided, and then when dragging pull bar 3, power, which is substantially all, to be acted on the direction laterally pulled, and then A part of power need not be expended to lift casing 1, so as to reach labour-saving purpose.

Auxiliary wheel 4 is supported by connecting rod 41（As shown in Figure 4）, and on casing 1.As shown in Figures 2 and 3, exist Many times, auxiliary wheel 4 is not needed to use, therefore, and accommodating groove 11 is set in the bottom of casing 1, will be aided in by accommodating groove 11 Wheel 4 is collected, so as to can be stored to accommodating groove 11 when auxiliary wheel 4 are not needed.Set in the inside of accommodating groove 11 There is rotating bar 42, connecting rod 41 is fixedly connected with rotating bar 42, by rotating bar 42 auxiliary wheel 4 can be turned over Turn, so as to allow auxiliary wheel 4 to be gone to from the varus of accommodating groove 11 outside casing 1.

As shown in Figures 2 and 3, the card interface 13 that connecting rod 41 is put for card, card interface 13 are provided with accommodating groove 11 It is made up of two projections 131, and the relative face of two projections 131 is provided with deep-slotted chip breaker 132, deep-slotted chip breaker 132 is oppositely arranged to form clamping Mouth 13, clamping is carried out by card interface 13 to connecting rod 41, so that after the gathering of auxiliary wheel 4, clamping is carried out by card interface 13, So as to prevent auxiliary wheel 4 from dropping out.In order to allow auxiliary wheel 4 to be hidden after gathering, envelope is set in the notch position of accommodating groove 11 Lid 14,14 sides of capping are hinged with notch, and opposite side sets fixture block 16, while bayonet socket 15 is set on the wall of accommodating groove 11, card Block 16 is locked towards corner block is set on the side of bayonet socket 15 by corner block with coordinating by mouth.Use on the inclined-plane of corner block In guiding, fixture block 16 is allowed to enter bayonet socket 15.

As shown in Figure 3 and Figure 4, after connecting rod 41 is flipped out, it can be contradicted with the bottom plate 10 of casing 1, and it connects Tactile is only the marginal position of notch, and its stress compares concentration, is easily broken off during use.Therefore, in order to allow The lifting surface area of connecting rod 41 increases, and groove 12 is opened up on casing 1, groove 12 is corresponding with connecting rod 41, and connecting rod 41 is recessed In groove 12, its outer surface is set to be contradicted with groove 12, so that in stress, it contacts the line or point before replacing by face Contact, allows its pressure to be decomposed by increasing contact area, so as to will not concentrate, the power increase for allowing it to be born.

Connecting rod 41 is arranged to expansion link（Telescopic rod structure is as shown in Figure 5）, the position of auxiliary wheel 4 can so be drawn It is long, it so as to allow it relatively to be had no progeny in the arm of force of support force, can pull it, increase it and support the arm of force, and then to the branch of case and bag Support effect is bigger.Expansion link includes being fixedly connected with rotating bar 42（Can be with directly by the way of welding）Loop bar 411 and It is placed in the inside of loop bar 411 and the interior bar 412 slided along its inwall.Limitation tooth 413 is set in loop bar 411, set in interior bar 412 Fastener 416 is put, the one end of fastener 416 is hinged with interior bar 412, the other end is provided with latch 419, latch 419 is matched somebody with somebody with limitation tooth 413 Close, fastener 416 is provided with torsion spring 410 with the position that interior bar 412 is hinged, allow latch 419 to coordinate with limitation tooth 413 by torsion spring 410. Pressing piece 417 is set in the end of interior bar 412, connecting rod 418, connecting rod 418 and fastener 416 are set between pressing piece 417 and fastener 416 It is hinged, and the position being hinged is located at one end that fastener 416 deviates from latch 419.Pressed by pressing piece 417, while drive link 418 are promoted, and then allow fastener 416 to rotate, and then allow latch 419 to be disengaged with limitation tooth 413, so as to reach releasing interior bar 412 and the purpose that locks of loop bar 411, and then interior bar 412 can be allowed to be adjusted with loop bar 411.Sometimes pressing piece 417 with Need to be changed between connecting rod 418, therefore typically in order to which motion can be converted, bridgeware 43 can be set, change Part 43 is hinged with interior bar 412, and both sides are hinged with connecting rod 418 and pressing piece 417 respectively.In order to prevent the abjection set of interior bar 412 The position of bar 411, limitation set 414 is set in the end of loop bar 411, and limitation projection 415 is set in interior bar 412, raised by limiting 415 cover 414 conflict with limitation, so as to allow interior bar 412 not deviate from loop bar 411 easily.

This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in right of the present utility model by Patent Law.

Claims

1. a kind of draw-bar box, including casing（1）, installed in casing（1）Bottom plate（10）On roller（2）And installed in casing （1）Pull bar on backboard（3）, it is characterized in that：The bottom plate（10）Upper setting auxiliary wheel（4）, the auxiliary wheel（4）With bottom plate （10）Between be provided with connecting rod（41）, the connecting rod（41）With bottom plate（10）It is hinged, the bottom plate（10）On offer use In gathering auxiliary wheel（4）Accommodating groove（11）.

2. draw-bar box according to claim 1, it is characterized in that：The connecting rod（41）End is provided with rotating bar（42）, Rotating bar（42）It is placed in accommodating groove（11）It is interior, and rotating bar（42）It is located in accommodating groove（11）Interior and and accommodating groove（11）Cell wall Rotate connection.

3. draw-bar box according to claim 2, it is characterized in that：The accommodating groove（11）It is interior to be provided with card interface（13）, it is described Card interface（13）With connecting rod（41）Coordinate.

4. draw-bar box according to claim 2, it is characterized in that：The accommodating groove（11）Notch position provided with capping （14）, the capping（14）Side and the edge of notch are hinged, opposite side and notch edges clamping.

5. draw-bar box according to claim 2, it is characterized in that：The bottom plate（10）It is provided with groove（12）, the groove （12）With connecting rod（41）Match, the groove（12）By accommodating groove（11）Extend to tergal position.

6. draw-bar box according to claim 2, it is characterized in that：The connecting rod（41）Including with rotating bar（42）It is fixed to connect The loop bar connect（411）And it is placed in loop bar（411）It is interior along loop bar（411）The interior bar of slip（412）, the loop bar（411）With it is interior Bar（412）Between be provided with limiting mechanism, the auxiliary wheel（4）Installed in interior bar（412）On.

7. draw-bar box according to claim 6, it is characterized in that：The limiting mechanism includes being arranged on loop bar（411）Interior Some limitation teeth（413）And it is arranged on interior bar（412）On fastener（416）, the fastener（416）Pass through torsion spring（410）With Limit tooth（413）Match, the interior bar（412）End is provided with pressing piece（417）, the pressing piece（417）With fastener （416）Between be provided with connecting rod（418）, the connecting rod（418）Respectively with pressing piece（417）And fastener（416）Connection, it is described to press Casting die（417）Drive link（418）So that fastener（416）With limitation tooth（413）Separation.