CN216401471U - Novel four-wheel folding luggage barrow - Google Patents

Abstract

The utility model discloses a novel luggage van is folded to four-wheel relates to luggage van technical field. Including carrying a thing support and carrying a thing panel, carry thing support one side and be connected with the pushing hands through the truckle fixing base, carry thing support opposite side and be connected with through the free bearing and carry the thing baffle, carry the thing support and include two parallel arrangement's support bottom tube, support bottom tube one side with the truckle fixing base is connected, and flexible rotary mechanism is installed to truckle fixing base bottom, and flexible rotary mechanism is flexible rotatory under locking mechanical's drive action, and locking mechanical is located on the pushing hands, and flexible rotary mechanism can control the universal castor of its bottom below rotatory, and support bottom tube opposite side fixed mounting has rotatory mechanism of converting into, and the free bearing is connected to rotatory mechanism opposite side of converting into, and the rotatory mechanism motion of converting into of free bearing control, and rotatory mechanism bottom fixed mounting of converting into has directional truckle. The utility model can be folded into the truckles while being folded into the pushing hands or the baffle plates, and the truckles are contained into a horizontal whole, so that the utility model occupies less space and is convenient to carry.

Description

Novel four-wheel folding luggage barrow

Technical Field

The utility model relates to a luggage van technical field, concretely relates to novel luggage van is folded to four-wheel.

Background

The push-type luggage barrow commonly used in the market at present comprises a push handle, a carrying plate and trundles, wherein the trundles are fixed below the carrying plate, the push handle is arranged on the carrying plate and is level with the waist of a person, and the push handle is simple in structure, large in size and inconvenient to carry. Some foldable hand-pushed luggage carts only fold the pushing hands on the carrying plate, but cannot fold the caster wheels in the carrying plate at the same time, and the folding volume cannot be optimized; in addition, when the pushing handle is folded into the side of the bracket through gear transmission, the caster wheel is folded in the bracket at the same time, but the structure is folded through meshing transmission, so that after the pushing handle is unfolded, the caster wheel swings left and right, the tooth sheets cannot be reliably meshed, and the tooth sheets are easy to damage; in addition, the trolleys have the problems of small bearing capacity, unstable and easy deflection of the trundles, inconvenient use and the like in the use process.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of novel luggage van is folded to four-wheel aims at solving the problem that exists among the above-mentioned background art.

In order to achieve the technical purpose, the utility model mainly adopts the following technical scheme:

a novel four-wheel folding luggage barrow comprises a carrying support and a carrying panel, wherein one side of the carrying support is connected with a pushing handle capable of being folded on the carrying panel through a trundle fixing seat, the other side of the carrying support is connected with a carrying baffle capable of being folded on the carrying panel through a hinged support, the carrying support comprises two support bottom tubes arranged in parallel, one side of each support bottom tube is connected with the trundle fixing seat, a telescopic rotating mechanism is installed at the bottom of the trundle fixing seat and can telescopically rotate under the driving action of a locking mechanism, the locking mechanism is positioned on the pushing handle and can control a universal trundle below the bottom of the locking mechanism to rotate, a rotary folding mechanism is fixedly installed at the other side of each support bottom tube, the other side of the rotary folding mechanism is connected with the hinged support, and the hinged support controls the rotary folding mechanism to move, and the bottom of the rotary folding mechanism is fixedly provided with a directional caster.

Wherein, in the utility model, the pushing hands include the pushing hands pipe with install in the outside pushing hands sleeve pipe of pushing hands pipe, double-phase to setting up install between the pushing hands sleeve pipe locking mechanical system, when the pushing hands is folding carry the thing panel, locking mechanical system inserts in the first through-hole on the truckle fixing base, when the pushing hands is opened, locking mechanical system inserts in the second through-hole on the truckle fixing base.

Furthermore, the locking mechanism comprises a fixed pipe fixedly installed on the pushing handle sleeve, the fixed pipe is of a hollow structure, a lock pin is arranged in the fixed pipe, one end of the lock pin penetrates through the fixed pipe and the pushing handle sleeve, a locking switch is fixedly installed at the other end of the lock pin, and the two locking switches are connected through a first spring.

Further, the truckle fixing base includes that the cross-section sets up to the supporting seat of "concave" shape, supporting seat top fixed mounting has the arc seat, arc seat bilateral symmetry is provided with first through-hole and third through-hole, and arc seat top is provided with the second through-hole, just the lateral wall of supporting seat runs through and is provided with fourth through-hole and fifth through-hole, the middle part of supporting seat runs through setting and sixth through-hole, pushing hands bobbin base below with the sixth through-hole is articulated through the round pin axle, the support bottom tube inserts in the fourth through-hole, flexible rotary mechanism inserts in the fifth through-hole.

In the utility model, the bottom of the pushing handle pipe is fixedly provided with a protective cover, and the protective cover is in contact with the supporting seat.

In the utility model discloses, flexible rotary mechanism includes to be connected through the screw thread rotation stay tube in the fifth through-hole, stay tube and subtend set up to two, through second spring coupling between two stay tubes, and stay tube fixed mounting on the fixed plate, fixed plate bottom below fixed mounting has universal castor.

As a further improvement of the present application, the hinged support is provided with an L-shaped hollow inside, the horizontal portion of the hinged support is connected to the other side of the bottom tube of the support through a rotating folding mechanism, and the vertical portion of the hinged support is connected to the object-carrying baffle.

Preferably, be provided with rectangular through-hole along its direction of height on the free bearing vertical part, and the space department between the free bearing vertical part is provided with hollow sleeve pipe, hollow sleeve pipe bottom fixed mounting be in carry thing baffle bottom, hollow sleeve pipe is located between two rectangular through-holes and can follow rectangular through-hole and reciprocate, and rectangular through-hole with pass through bolted connection between the hollow sleeve pipe.

Furthermore, the rotary folding mechanism comprises a first helical-tooth caster fixing seat fixedly mounted on the other side of the bottom pipe of the support, a third spring is connected to the other side of the first helical-tooth caster fixing seat, the other end of the third spring is inserted into a through hole of a second helical-tooth caster fixing seat matched with the first helical-tooth caster fixing seat and fixedly connected with the second helical-tooth caster fixing seat, the directional caster is fixedly mounted at the bottom of the second helical-tooth caster fixing seat, and the other side of the second helical-tooth caster fixing seat is connected with the horizontal part of the hinged support.

Compared with the prior art, this practicality has following beneficial effect:

1. the luggage barrow has simple, compact and reasonable integral structure, adopts unique telescopic rotating mechanism, locking mechanism and the like, can fold the trundles while folding the push handle or the folding baffle plate, and is accommodated as a horizontal whole, occupies less space and is convenient to carry;

2. after the luggage barrow is completely unfolded or folded, the phenomenon that the caster wheel is bent and the like due to overweight bearing can be avoided, and the luggage barrow is safe and reliable;

3. the utility model discloses a multiple locking mechanism of luggage van makes and connects firmly between each part, can not take place around the problem of rocking about, during the use.

Drawings

Fig. 1 is a schematic structural view of the luggage cart of the present invention in operation;

fig. 2 is a schematic structural view of the luggage carrier with the luggage baffle folded at the luggage panel according to the present invention;

FIG. 3 is a schematic view of the luggage cart with the handle fully opened;

fig. 4 is a partial exploded view of a schematic structural view of the luggage cart of the present invention;

fig. 5 is a schematic structural view of the luggage cart of the present invention without a loading panel;

FIG. 6 is a schematic structural view of the push handle of the luggage cart of the present invention;

fig. 7 is a partial exploded view of a schematic structural view of the baggage cart push handle of the present invention;

FIG. 8 is a cross-sectional view of the interior of the luggage cart locking mechanism of the present invention;

FIG. 9 is a schematic structural view of a wheel fixing seat of the luggage cart of the present invention;

fig. 10 is a schematic structural view of the luggage cart of the present invention when fully folded.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1-5, including carrying the thing support, carry thing panel 1 and truckle, it is connected with the pushing hands that can fold on carrying the thing panel through truckle fixing base 14 to carry thing support one side, it is connected with the year thing baffle 40 that can fold on carrying the thing panel through hinged-seat 32 to carry thing support opposite side, carry the setting of thing baffle 40, can be when transporting luggage or goods, play the effect that stops, prevent that luggage or goods from falling down by carrying thing panel 1, it sets up to dismantling the structure of being connected to carry between thing panel 1 and the year thing support generally, if can set up the draw-in groove in carrying thing panel 1 bottom, will carry the thing support and clamp on the draw-in groove can.

The loading support comprises two support bottom tubes 12 which are arranged in parallel, a main frame of the loading support is formed by the two support bottom tubes 12, and the loading panel 1 is clamped on the support bottom tubes 12. One side of the bracket bottom tube 12 is connected with a caster fixing seat 14, a telescopic rotating mechanism is installed at the bottom of the caster fixing seat 14, wherein the telescopic rotating mechanism is driven by a locking mechanism to telescopically rotate, the locking mechanism is positioned on the push handle, and the telescopic rotating mechanism can control the universal caster 13 below the bottom of the locking mechanism to rotate.

As shown in fig. 9, the caster fixing base 14 includes a supporting base with an inverted "concave" cross section, an arc base is fixedly installed above the supporting base, wherein a first through hole 141 and a third through hole 142 are symmetrically arranged on two sides of the arc base, a second through hole 142 is arranged in the center of the top of the arc base, a fourth through hole 144 and a fifth through hole 145 are arranged on the side wall of the supporting base, a sixth through hole 147 is arranged in the middle of the supporting base, the lower portion of the bottom of the handle tube 20 is hinged to the sixth through hole 147 through a pin 146, so that 180 ° rotation of the handle tube 20 can be realized, the support bottom tube 12 is inserted into the fourth through hole 144, so as to connect the carrying support with the caster fixing base 14 and the handle tube 20, the telescopic rotating mechanism is inserted into the fifth through hole 145, so that the universal caster 13 is connected with the caster fixing base 14, and the universal caster 13 is also connected with the handle tube 20, the rotation of the caster 13 is achieved by the movement of the handle tube 20.

As shown in fig. 6 and 7, in the present application, the pushing handle includes a pushing handle tube 20 and a pushing handle sleeve 26 installed outside the pushing handle tube 20, and the pushing handle sleeve 26 is configured as a T-shaped structure and is respectively used for being fixedly installed outside the pushing handle tube 20 and fixedly installing the locking mechanism. Specifically, the locking mechanism is mounted between two oppositely disposed pusher sleeves 26.

In the utility model, still fixed mounting has bracing piece 201 between two pushing hands, plays the effect that the link supported, is favorable to the device's stability.

In addition, two groups of locking mechanisms can be arranged between the push handles and are respectively arranged at the upper part and the lower part of the push handles, the lower locking mechanism is linked with the caster fixing seat 14, and the upper locking mechanism moves under the action of the lower locking mechanism and also plays a role in supporting the device.

As shown in fig. 8, the locking mechanism includes a fixing tube 27 fixedly mounted on the handle sleeve 26, wherein the fixing tube 27 is configured as a hollow structure, and a lock pin 25 is disposed therein, one end of the lock pin 25 penetrates through the fixing tube 27 and the handle sleeve 26, the other end is fixedly mounted with a locking switch 22, and the two locking switches 22 are connected through a first spring.

When the pushing handle is folded on the loading panel 1, the locking mechanism is inserted into the first through hole 141 of the caster fixing seat 14, and when the pushing handle is unfolded, the locking mechanism is inserted into the second through hole 142 of the caster fixing seat 14.

The pushing handle in the utility model generally has 3 groups of actions during working, and can be shown in figures 1, 3 and 10, wherein in figure 1, the pushing handle is in a normal working state at the moment; as shown in fig. 3, the pusher is now in a fully open position, i.e. parallel to the loading panel 1, away from the loading barrier; in fig. 10, the pusher is now in a folded state.

When the pushing handle is in the action of fig. 10, the lock pin 25 of the locking mechanism is inserted into the first through hole 141 of the caster fixing seat 14, so that the whole pushing handle is fixed; when the pushing handle is to be opened to be perpendicular to the loading panel 1 and to be in a normal working state shown in fig. 1, the two locking switches 22 on the locking mechanism are tightened by hand, at the moment, the two locking switches 22 drive the first spring to be compressed, the first spring drives the lock pins 25 at the two sides to move towards the locking switches 22, so that the lock pin 24 is separated from the first through hole 141, then the pushing handle is rotated, when the lock pin 25 moves to the position of the second through hole 142, under the reset action of the first spring, the lock pin 25 is inserted into the second through hole 142, the whole pushing handle is fixed again, and the operation is convenient; when the pushing handle needs to be controlled to be in the state shown in fig. 3, the above operation is continued, and the pushing handle is continuously selected, so that the lock pin 25 is inserted into the third through hole 143 to fix the pushing handle.

Meanwhile, when the pushing handle moves, for example, when the pushing handle is changed from a folded state to a normal state, in the rotating process of the pushing handle, the telescopic rotating structure can also directly control the universal caster to be opened from a retracted folded state to a normal working state.

Specifically, in the utility model, above-mentioned flexible rotary mechanism includes the stay tube 17 of connection in fifth through-hole 145 through the screw thread rotation, and stay tube 17 subtend sets up to two, connects through second spring 15 between two stay tubes 17, and stay tube 17 fixed mounting on the fixed plate, and fixed plate bottom below fixed mounting has universal castor.

In the utility model, the bottom of the pushing handle tube is fixedly provided with a protective cover 29, wherein the protective cover 29 contacts with the supporting seat to protect the pushing handle.

As shown in fig. 7, when the pushing handle is changed from the folded state to the normal state, the protection cover 29 of the pushing handle impacts the casters to make the supporting tube 17 rotate in the fifth through hole 145, so as to drive the casters to rotate to the opened state and fix the casters, and at this time, the pushing handle is fixed by inserting the locking pin 25 of the locking mechanism into the second through hole 142 of the caster fixing seat 14, so as to form a novel pushable luggage cart.

When the push handle is changed from the normal state to the folded state or the fully opened state, the working principle is similar to that of the push handle, and the second spring 15 can play a role in buffering and damping.

The other side of the bracket bottom tube 12 is fixedly provided with a rotary folding mechanism, the other side of the rotary folding mechanism is connected with a hinged support 32, the hinged support 32 controls the movement of the rotary folding mechanism, and the bottom of the rotary folding mechanism is fixedly provided with a directional caster.

Specifically, with continued reference to fig. 7, the hinge base 32 is configured as an L-shape with a hollow interior, wherein the horizontal portion of the hinge base 32 is connected to the swivel mechanism on the other side of the bottom tube 12 of the stand, and the vertical portion of the hinge base 32 is connected to the carrier stop 40, thereby connecting the carrier stand to the carrier stop 40.

Wherein, in the utility model, rotatory mechanism of converting into includes first skewed tooth truckle fixing base 33 of fixed mounting at 12 opposite sides of support bottom tube, the connection of first skewed tooth truckle fixing base 33 opposite side is provided with third spring 35, the third spring 35 other end insert with this first skewed tooth truckle fixing base 33 assorted second skewed tooth truckle fixing base 31A's through-hole in, and with second skewed tooth truckle fixing base 31A fixed connection, directional truckle of second skewed tooth truckle fixing base 31A bottom fixed mounting, second skewed tooth truckle fixing base 31A opposite side and free bearing 32 horizontal part are connected.

The vertical part of the hinged support 32 is provided with a strip through hole 32A along the height direction, a hollow sleeve 40A is arranged in a gap between the vertical parts of the hinged support 32, the bottom of the hollow sleeve 40A is fixedly installed at the bottom of the object carrying baffle 40, the hollow sleeve 40A is positioned between the two strip through holes 32A and can move up and down along the strip through hole 32A, and the strip through hole 32A is connected with the hollow sleeve 40A through a bolt. That is, the folding or unfolding of the cargo barrier 40 can be controlled by controlling the height of the hollow sleeve 40A above the elongated through hole 32A.

The specific operation method comprises the following steps: after the hollow sleeve 40A below the bottom of the loading baffle 40 is inserted into the gap between the vertical parts of the hinged support 32, the loading baffle 40 is controlled to be changed from an open state to a folded state, and then the loading baffle 40 drives the hinged support 32 to move back to the direction away from the pushing hand, so that the distance from the horizontal plane of the hinged support 32 to the second helical-tooth caster fixing seat 31A is increased, the directional caster 31 can be controlled to rotate inwards through the rotating tension of the third spring 35, and the folded state is formed. When the loading baffle 40 moves reversely, i.e. from the folded state to the opened state, the loading baffle 40 is pulled up to drive and control the distance from the vertical part of the hinge base 32 to the second helical-tooth caster fixing base 31A to shorten, so as to force the second helical-tooth caster fixing base 31A of the directional caster 31 to rotate together with the helical teeth of the first helical-tooth caster fixing base 33 to unfold, thereby forming a normal working state.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be covered by the scope of the present invention by the technical solutions and the practical concepts equivalent to or modified from the technical solutions and the practical concepts of the present invention.

Claims (9)

1. The utility model provides a novel luggage van is folded to four-wheel which characterized in that: comprises a carrying bracket and a carrying panel, one side of the carrying bracket is connected with a pushing handle which can be folded on the carrying panel through a caster fixing seat, the other side of the carrying bracket is connected with a carrying baffle which can be folded on the carrying panel through a hinged support, the carrying bracket comprises two bracket bottom tubes which are arranged in parallel, one side of each bracket bottom tube is connected with the caster fixing seat, the bottom of the caster fixing seat is provided with a telescopic rotating mechanism which can be driven by a locking mechanism to rotate in a telescopic way, the locking mechanism is positioned on the push handle, the telescopic rotating mechanism can control the universal caster wheels below the bottom of the telescopic rotating mechanism to rotate, the other side of the bottom tube of the bracket is fixedly provided with a rotating folding mechanism, the other side of the rotary folding mechanism is connected with the hinged support, the hinged support controls the rotary folding mechanism to move, and a directional caster is fixedly installed at the bottom of the rotary folding mechanism.

2. The novel four-wheel folding luggage barrow according to claim 1, characterized in that: the pushing handle comprises a pushing handle pipe and a pushing handle sleeve arranged outside the pushing handle pipe, the locking mechanism is arranged between the two pushing handle sleeves which are oppositely arranged, when the pushing handle is folded on the object carrying panel, the locking mechanism is inserted into the first through hole in the caster fixing seat, and when the pushing handle is opened, the locking mechanism is inserted into the second through hole in the caster fixing seat.

3. The novel four-wheel folding luggage barrow according to claim 2, characterized in that: the locking mechanism comprises a fixed pipe fixedly installed on the push handle sleeve, the fixed pipe is of a hollow structure, a lock pin is arranged in the fixed pipe, one end of the lock pin penetrates through the fixed pipe and the push handle sleeve, a locking switch is fixedly installed at the other end of the lock pin, and the two locking switches are connected through a first spring.

4. The novel four-wheel folding luggage cart of claim 3, characterized in that: the truckle fixing base includes that the cross-section sets up the supporting seat into "concave" shape, supporting seat top fixed mounting has the arc seat, arc seat bilateral symmetry is provided with first through-hole and third through-hole, and arc seat top is provided with the second through-hole, just the lateral wall of supporting seat runs through and is provided with fourth through-hole and fifth through-hole, the middle part of supporting seat runs through setting up and sixth through-hole, pushing hands bobbin base portion below with the sixth through-hole is articulated through the round pin axle, the support bottom tube inserts in the fourth through-hole, flexible rotary mechanism inserts in the fifth through-hole.

5. The novel four-wheel folding luggage cart of claim 4, characterized in that: the bottom of the handle pushing pipe is also fixedly provided with a protective cover, and the protective cover is in contact with the supporting seat.

6. The novel four-wheel folding luggage cart of claim 4, characterized in that: the telescopic rotating mechanism comprises supporting pipes which are connected in a rotating mode through threads in the fifth through hole, the supporting pipes are arranged in a subtend mode to be two, the two supporting pipes are connected through a second spring, the supporting pipes are fixedly installed on the fixing plate, and universal casters are fixedly installed below the bottom of the fixing plate.

7. The novel four-wheel folding luggage barrow according to claim 1, characterized in that: the hinged support is arranged in an L shape with a hollow inner part, the horizontal part of the hinged support is connected with the rotary folding mechanism at the other side of the bottom tube of the support, and the vertical part of the hinged support is connected with the loading baffle.

8. The novel four-wheel folding luggage cart of claim 7, characterized in that: be provided with rectangular through-hole along its direction of height on the free bearing vertical part, and the space department between the free bearing vertical part is provided with hollow sleeve pipe, hollow sleeve pipe bottom fixed mounting be in carry thing baffle bottom, hollow sleeve pipe lie in between two rectangular through-holes and can follow rectangular through-hole and reciprocate, and rectangular through-hole with through bolted connection between the hollow sleeve pipe.

9. The novel four-wheel folding luggage cart of claim 8, characterized in that: the rotary folding mechanism comprises a first helical-tooth caster fixing seat fixedly mounted on the other side of the bottom pipe of the support, a third spring is connected to the other side of the first helical-tooth caster fixing seat, the other end of the third spring is inserted into a through hole of a second helical-tooth caster fixing seat matched with the first helical-tooth caster fixing seat and fixedly connected with the second helical-tooth caster fixing seat, the bottom of the second helical-tooth caster fixing seat is fixedly mounted with the directional caster, and the other side of the second helical-tooth caster fixing seat is connected with the hinged-seat horizontal part.

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