CN2306155Y

CN2306155Y - Hand-pushing transporting car

Info

Publication number: CN2306155Y
Application number: CN 97221257
Authority: CN
Inventors: 谢永顺; 谢宏经
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-07-10
Filing date: 1997-07-10
Publication date: 1999-02-03
Anticipated expiration: 2007-07-10

Abstract

The utility model relates to a conveying handcart, comprising a framework, a pair of expansion racks, an upper cross beam, a lower cross beam, a luggage carrier and two wheel racks. The top end of the framework is fixedly arranged in one side hole of the upper cross beam, the bottom end of the framework is movably pivoted at the luggage carrier, one of the expansion racks comprises two inner sleeve pipes, two outer sleeve pipes and a handle, the upper cross beam can control the expansion action of the two inner sleeve pipes and the outer sleeve pipes, and the lower cross beam can fix the luggage carrier and luggage objects matching a tightly bunching ligament. When the luggage carrier is unfolded, the two wheel racks are also outwards unfolded, when the luggage carrier is folded and under vertical condition, the two wheel racks are also inwards folded.

Description

A kind of hand pulling type transport cart

The utility model relates to a kind of hand pulling type transport cart.

Generally sold various can being available for users to very light dilatory dead weight cargo or baggage container and walking on the market in order to deliver the wheeled transport trolley of any article case or baggage container with laborsaving.But commonly use various wheeled transport trolleys, have can not telescopic folding and cause and occupy excessive storage space, though and the flexible that has and folding, so its complex structural designs, operation are difficult for, fault rate is high, this is commonly uses the common shortcoming of transport trolley and remains to be improved.

The hand pulling type transport cart that provides a kind of conveniently telescopic folding is provided the purpose of this utility model, and it can deliver various article haulings for the user labour-saving, and can easily transport trolley be shunk foldingly, deposits and be beneficial to collect.

The technical solution of the utility model is:

A kind of hand pulling type transport cart comprises a sweeping skeleton, a pair of expansion bracket, an entablatrance, a cross sill, a luggage carrier, two vehicle wheel frames, and one tightens frenulum, it is characterized in that:

Above-mentioned skeleton, its top are to be fixedly arranged in the side opening of entablatrance, and its bottom then is to insert in the axis hole of vehicle wheel frame, and use a pivot this skeleton is journaled within the set caulking groove of luggage carrier versatilely; Pipe in this skeleton bottom is inner, is to have installed a movable rod member and a compression spring, and is outside in the pipe of this skeleton bottom again, then is arranged with a return spring; One of above-mentioned to expansion bracket, it comprises being referred to as two inner sleeves and two outer tubes and leader, and the top of this two outer tube and bottom be respectively by entablatrance and cross sill coat inlay fixing;

Crossbeam on above-mentioned, in its two side end is to offer the side opening that two above-mentioned skeletons of confession are fixed, and is to be provided with a guide groove within this entablatrance, its proper holding one compression spring, be to have installed an action button on this compression spring, and offer two oblique-shaped holes on the two sidewall shells of this button; And

Crossbeam under above-mentioned, it is by two framework institute be combined intos of symmetry, and wherein offers the frame hole that is formed with or a pair of left-right symmetric on the wall shell of a slice framework; In addition, be provided with a guide groove within this cross sill, a compression spring is fixed in its proper holding, then establishes an action button on this compression spring, offers two oblique-shaped holes on the two sidewall shells of this action button, and this oblique-shaped hole installs two traces; And

Above-mentioned luggage carrier, its two side end are equipped with by two and connect that pedestal institute frames enclose and the caulking groove that forms, and these two connect pedestals, wherein, on the wall shell of the connection pedestal outside being positioned at, be convexly equipped with and form a stop block, this stop block is corresponding with the stop block of following vehicle wheel frame; And

Two above-mentioned vehicle wheel frames convex with a stop block on its exine shells, then convex with a taper stop block in addition in the bottom of this vehicle wheel frame, and it just is inserted in the set groove of luggage carrier.

Described hand pulling type transport cart is characterized in that: the action button that described entablatrance is interior, two oblique-shaped holes offering on its two sidewalls shell, it just installs two companies and advises bar, one of this trace end all is equipped with the lug of symmetry, and on the other end of trace, then is equipped with a latch.

Described hand pulling type transport cart is characterized in that: the caulking groove that described luggage carrier is set on the wall shell at its bottom and rear side position, is provided with for the movable rod member of skeleton bottom and replaces the chute that is disc of holding or be the groove of double inclined plane or the fixture block of convex shape.

Described hand pulling type transport cart is characterized in that: institute's set movable rod member in the skeleton bottom that is set forth in, its bottom forms the corresponding slick and sly conical surface or the oblique conical surface or inner concave arc surface.

Described hand pulling type transport cart is characterized in that: described luggage carrier offers one or a pair of jack, and it just one of offers individual with cross sill or a pair of frame hole is corresponding.

Described hand pulling type transport cart, it is characterized in that: two traces that described cross sill is inner set, the one distal process is provided with the lug of symmetry, on the sideway stance of this trace, be equipped with the protruding button of a bending, the protruding button of this bending stretch out above-mentioned under outside a pair of frame hole offered of crossbeam.

Described hand pulling type transport cart is characterized in that: should

The action button that cross sill is set on the central part of its side, is equipped with the protruding button of a bending, and the protruding button of this bending is the outside that stretches out the frame hole that the cross sill central part offered.

Described hand pulling type transport cart is characterized in that: crossbeam offers a rectangular opening and most narrow grooves under described, for the clamping of inlaying of tightening frenulum.

Described hand pulling type transport cart is characterized in that: two described inner sleeves, and its bottom is arranged with a Button Block, this Button Block offers a guide groove, its inside just installs a compression spring and a latch, and this latch is provided with an elongated slot, and this elongated slot then gives holding for the bottom of a curved fastener.

Described hand pulling type transport cart, it is characterized in that: described handle inside is provided with a guide groove, a compression spring is fixed in this guide groove holding, on this compression spring, then be provided with an action button, two side ends of this action button are hung with a swing arm, and the set dog hole of this swing arm of mat colludes hangs a connecting rod.

Described hand pulling type transport cart is characterized in that: inside pipe casing is provided with a connecting rod within described, and this small end colludes the dog hole that is hung on above-mentioned swing arm, and then collude in the button hole that is hung on the curved fastener lower end.

Described hand pulling type transport cart, it is characterized in that: described handle interior arrangement has a microscler pull bar, on two side ends of this microscler pull bar top, respectively replaces and is provided with a compression spring, respectively offer groove one on the two side end wall shells of this microscler pull bar, this groove colludes hangs a connecting rod.

Effect of the present utility model is:

This creation hand pulling type transport cart comprises a skeleton, a pair of expansion bracket, an entablatrance, a cross sill, luggage carrier and two vehicle wheel frames; The top of above-mentioned skeleton is to be fixedly arranged in the side opening of entablatrance, and the bottom then is to be hubbed on the luggage carrier versatilely; Above-mentioned expansion bracket comprises two inner sleeves and two outer tubes and leader, and above-mentioned entablatrance, it can control the expanding-contracting action of above-mentioned two inside and outside sleeve pipes; And crossbeam under above-mentioned, it can cooperate tightens frenulum and can fix above-mentioned luggage carrier and baggage items; When above-mentioned luggage carrier is unfolded when being the level of state, this moment, two vehicle wheel frames also launched outward, and can supply various luggage of carrying or object, folded in vertical state and work as luggage carrier, and two vehicle wheel frames are also inwardly folded simultaneously, can be to tie up with transport trolley, deposit with convenient collection.

Describe structure of the present utility model, feature and effect thereof in detail below in conjunction with accompanying drawing, accompanying drawing is the embodiment of the utility model, wherein:

Fig. 1 and 2 is that the utility model is seen block diagram when launching and outside when folding.

Fig. 3 is the exploded drawings of a pair of expansion bracket of the utility model and entablatrance.

Fig. 4 and 5 is action signal and cutaway views of entablatrance and inside and outside sleeve pipe.

Fig. 6 and 7 is decomposition and cutaway views of the utility model cross sill.

Fig. 8 is the exploded drawings of the utility model skeleton, luggage carrier and vehicle wheel frame.

Fig. 9 and 11 is that luggage carrier and vehicle wheel frame are when launching and the cutaway view in when folding.

Figure 10 is luggage carrier and the another side scheme drawing of vehicle wheel frame when deployed condition.

Figure 12 and Figure 13 tighten the scheme drawing that frenulum can be tied up expansion bracket and baggage container bundle.

Figure 14 is that another embodiment of the utility model sees block diagram outside when launching.

Figure 15 and 17 is decomposition and cutaway views of second embodiment of this case expansion bracket and handle.

Figure 16 is the exploded drawings of the utility model Button Block.

Figure 18 is the exploded drawings of another embodiment of the utility model expansion bracket and handle.

Figure 19 and 20 is decomposition and cutaway views of second embodiment of skeleton and luggage carrier.

Figure 21 and 22 is decomposition and cutaway views of another embodiment of skeleton and luggage carrier.

Figure 23 and 24 is exploded drawings and cutaway views of another embodiment of this case cross sill.

As shown in Figures 1 and 2, the utility model hand pulling type transport cart comprises one and is the skeleton 10 of bending, a pair of expansion bracket 20, an entablatrance 30, a cross sill 40, a luggage carrier 50, and two vehicle wheel frames 60.

Shown in Fig. 1,3,8, the skeleton 10 of above-mentioned two bendings, its top is to be fixedly arranged in the side opening 31 of entablatrance 30, the bottom then is to insert in the axis hole 61 of vehicle wheel frame 60, and this two skeleton 10 is journaled into two caulking grooves, 53 inside versatilely, and skeleton 10, vehicle wheel frame 60 (it has set up wheel 62) and luggage carrier 50 are formed as one with a pivot 54.And a pair of expansion bracket 20, it comprises by two inner sleeves 21 of symmetry and two outer tubes 22 and leader 23 and is formed; This two outer tube 22 is coated by entablatrance 30 and cross sill 40 to be inlayed fixingly, and these two crossbeams then are fixedly arranged on the top ends and the middle part of skeleton 10 respectively, and two outer tubes 22 can be combined as a whole with two crossbeams and skeletal fixation.

As Fig. 3, inner sleeve 21 bottoms are to be arranged with base 24 in, outer tube 22 tops then are equipped with an outer tube sleeve 25, when inner sleeve is fitted into this outer tube inside, the flange 241 of interior base 24 is to be resisted against under the outer tube sleeve 25 on the end wall shell 251, does that inner sleeve 21 can up draw and can be from 22 inner disengagings of outer tube.

Crossbeam 30 on shown in Fig. 3,4,5, and the one side end offers two can be for the fixing side opening 31 of skeleton 10.Be provided with a guide groove 32 within this entablatrance 30, but its just holding fix a compression spring 33, on this compression spring, then be provided with an action button 34, it be able to do the action of pushing on compression spring 33; Offer two oblique-shaped holes 341 on the two sidewall shells of this action button 34, this two oblique-shaped hole of mat and can install two traces 35, one of this trace end is to be equipped with symmetric lug 351, it just can install in the above-mentioned oblique-shaped hole 341, and order makes these lugs can make the displacement action of past renaturation in the oblique scope of oblique-shaped hole; On the other end of trace 35, then be equipped with a latch 352, in the jack A that its inner sleeve 21 of just can planting respectively, outer tube 22 are offered, flexible with control inner sleeve and outer tube.When operation ammonium button 34 is pressed down, oblique-shaped hole 341 will affect lug 351 along its inclined-plane toward intrinsic displacement, and order makes the latch 352 of trace 35 break away from the set jack A of inner sleeve 21 and outer tube 22 respectively, so making inner sleeve 21 is the state that is for movable, this inner sleeve 21 can freely be done the action of stretching or contraction within outer tube 22.

Second embodiment of this hand pulling type transport cart shown in Figure 14 and 15, wherein, the handle 23 that expansion bracket 20 is set, its inside offers one can be in order to the guide groove 234 of holding compression spring 235, then be provided with an action button 233 on this compression spring, be hung with a swing arm 231 in its two side end, when action button 233 was down pushed, the connecting rod 27 that above-mentioned swing arm 231 meetings will be located at inner sleeve 21 inside because of lever principle up lifted traction.

As Figure 15,16,17, the bottom of inner sleeve 21 is to be arranged with a Button Block 26, and its flange 261 is to be resisted against under the outer tube sleeve 25 on the end wall shell 251.This Button Block 26 is to offer a guide groove 268, and its inside just can install a compression spring 269 and a latch 266, and this latch is provided with an elongated slot 267, and it just can be gone into for the bottom holding of a curved fastener 262.Above-mentioned connecting rod 27, its upper end is to collude the dog hole 232 that is hung on the interior swing arm 231 of handle 23, then collude in the button hole 263 that is hung on the curved fastener 262 the connecting rod lower end.This curved fastener 262 is to overlap by one 265 to penetrate in the axis hole 264, and makes curved fastener 262 can make left and right rocking motion on Button Block 26.When usual state, latch 266 is that the elastic force that is compressed spring 269 is outwards replaced, so latch can outwards be protruded into respectively in the jack A of inner sleeve 21 and outer tube 22, makes to be between the inside and outside sleeve pipe to be the mutual solid state of hook, and can not slide; But when connecting rod 27 is up lifted, promptly can interlock draw curved fastener 262 and do left and right waving, and force latch 266 to do inside contraction, and thereby break away from the jack A of inside and outside sleeve pipe, at this moment, be to be the state that does not fetter for mutually between the inside and outside sleeve pipe, thereby inner sleeve can freely do to stretch within outer tube or the slippage of contraction is moved.

Shown in Figure 180 is another embodiment of this case handle 23, these handle 23 interior arrangements have a microscler pull bar 236, on two side ends of its top, be respectively to replace to be provided with a compression spring 237, it can make and make microscler pull bar 236 can do the action of pushing on this compression spring; On the two side end wall shells of above-mentioned microscler pull bar is respectively to offer groove 238 one, mat itself and can hang aforementioned connecting rod 27 in order to collude, when microscler pull bar up being held when carrying, this connecting rod 27 also will up lift linkedly, and make the curved fastener 262 of the Button Block 26 of connecting rod extension that collude the lower end, also thereby produce left and right rocking motion, thereby drive the contractive action of latch 266, reach inner sleeve can be done stretching or contraction within outer tube slippage.

As Fig. 1,8 luggage carrier 50 is to be tabular, its two side end is equipped with by two and connects that 51,52 frames of pedestal enclose and the caulking groove 53 that forms, caulking groove 53 can be planted for the bottom of this case two skeletons 10, and mat one pivot 54 and this two skeleton is installed in two caulking grooves 53, and skeleton and luggage carrier are assembled into one.Above-mentioned two connect pedestal, wherein, be positioned at the connection pedestal 51 in the outside, be to be convexly equipped with to form a stop block 55 on its wall shell, it just can be replaced mutually with the stop block 63 that is convexly equipped with on vehicle wheel frame 60 exine shells and be corresponding, when as shown in Figure 1 luggage carrier 50 being launched (to bottom offset) or giving folding (to top offset),, drive vehicle wheel frame 60 and also do linkedly simultaneously to launch outward or the inwardly action of folding and can make making by the correspondence of replacing of this two stop block as Fig. 2.

Shown in Fig. 1,8,11, the pipe of this case skeleton 10 bottoms is inner, be installed a movable rod member 12 and be placed on one of its upper end compression spring 11, and outside in the pipe of skeleton 10 bottoms, then be arranged with a return spring 13 in addition.When this case skeleton 10 bottoms were inserted in the axis hole 61 of vehicle wheel frame 60, one of this return spring 13 end was to be fixed in the hole B of skeleton, and the other end then is fixed in the interior cinclides E of vehicle wheel frame; When operation luggage carrier 50 delays gradually horizontal development outward, vehicle wheel frame 60 is also synchronously toward the left and right directions displacement, this moment return spring 13 also thereby be forced to uphold and produce torsion, when being unfolded fully as Fig. 1 vehicle wheel frame, the taper stop block 64 that vehicle wheel frame 60 bottoms are convexly equipped with can be gone in the groove 56 (shown in Fig. 8,9,10) of luggage carrier 50 in holding, and order is for fixing vehicle wheel frame; And when the contraction of this case transport trolley desire is folding, only need operation luggage carrier 50 toward top offset, make taper stop block 64 break away from the constraint of groove 56, above-mentioned return spring 13 will be subjected to the effect of itself spring restoring force, and traction belt motor-car wheel carrier 60 also produces the folding action of contraction simultaneously, to reach the purpose of folding.

The caulking groove 53 that luggage carrier shown in Fig. 8,9,11 50 is set on the wall shell at its bottom and rear side position, all digs and establishes the chute 57 that is formed with a disc, and it can be replaced holding for the inner set movable rod member 12 of skeleton 10 bottoms pipe.Because of being, the wall of this caulking groove 53 is the arc sliding surface, and the bottom of movable rod member 12 also forms the slick and sly conical surface 121 that can be complementary with disc chute 57, so this activity rod member can be in doing slippage successfully and conversion on the wall of caulking groove 53 and between two disc chutes 57, make between luggage carrier 50 and the skeleton 10 and can successfully fold or launch with order, and reach the effect of mutual card fastening position.

Shown in Figure 19,20 second embodiment of this case luggage carrier 50 caulking grooves 53, on the wall shell at these caulking groove 53 bottoms and rear side position, all dig and establish the groove 58 that is formed with a double inclined plane, it can be replaced holding for the inner set movable rod member 12 of skeleton 10 bottoms pipe; Because being, the wall of this caulking groove 53 is the arc sliding surface, and the bottom of movable rod member 12 also forms the oblique conical surface 122 that can be complementary with double inclined plane groove 58, so this activity rod member 12 can be in reaching slippage successfully and conversion between two double inclined plane grooves 58 on the wall of caulking groove 53, so same can reach luggage carrier and skeleton can smoothly or launch, and block the effect of fastening position.

Shown in Figure 21,22 another embodiment of the caulking groove 53 of this case luggage carrier 50, on the wall shell at these caulking groove 53 bottoms and rear side position, all saliently be formed with the fixture block 59 of a convex shape, it is replaced holding for the inner set movable rod member 12 of above-mentioned skeleton 10 bottoms pipe; The wall of this caulking groove 53 is to be to be the arc sliding surface, and cancave cambered surface 123 within the bottom of movable rod member 12 also forms and can be complementary with convex shape fixture block 59, so this movable rod member 12 also can be in reaching slippage successfully and conversion between two convex shape fixture blocks 59 on the wall of caulking groove 53.

Cross sill 40 shown in Fig. 1,2,6,7, and it is two framework be combined intos by symmetry, and order to make on the wall shell of a slice framework wherein be the frame hole C that has offered a pair of left-right symmetric, this frame hole just can one of be offered corresponding to jack D with luggage carrier 50.In addition, be to be provided with a guide groove 41 within this cross sill 40, but a compression spring 42 is fixed in its proper holding, then establishes an action button 43 on this compression spring, makes action button 43 can do the action of pushing on spring; This action button 43 offers two oblique-shaped holes 431 on its two sidewalls shell, and this two oblique-shaped hole is to install two traces 44; One of this trace end is to be equipped with symmetric lug 441, and it just can install in the oblique-shaped hole 431, and order makes these lugs make reciprocal displacement action in the oblique scope of above-mentioned oblique-shaped hole.In addition, on the sideway stance of this trace 44, be to be equipped with the protruding button 442 of a bending, it is can stretch out above-mentioned cross sill 40 to offer outside a pair of frame hole C, when pressing operation button 43 down the time, oblique-shaped hole 431 will affect lug 441 along its inclined-plane toward internal displacement, thereby driving the protruding button 442 of bending that makes trace 44 also shrinks toward intrinsic displacement, at this moment, the protruding button 442 of this bending luggage carrier 50 of can planting one of is offered in the jack D, is fixed on the cross sill 40 and luggage carrier 50 is colluded.

Another embodiment of this case cross sill 40 shown in Figure 14,23 and 24 on the central part wall shell of wherein a slice framework of this cross sill 40, is to offer to be formed with a frame hole C, and the jack D that this frame hole is then just offered with luggage carrier 50 is corresponding; Be provided with a guide groove 41 within this cross sill 40, but a compression spring 42 is fixed in its holding, and an action button 47 then is set on this spring.On the central part of the side of this action button, be to be equipped with the protruding button 471 of a bending, it is can stretch out outside the above-mentioned frame hole C, and in the jack D of the luggage carrier 50 of can planting, similarly, but also can reach luggage carrier 50 and combine fixing purpose with cross sill 40 hooks.

Crossbeam 40 under shown in Fig. 6,12,13, it offers a rectangular opening 45 and most narrow grooves 46, and it can be carried and for tightening the usefulness that frenulum L inlays clamping for taking of people's hand respectively, when this case transport trolley in shrinking when folding, can be beneficial to take with hand and begin a new line away, collection does not also take up space; And this frenulum L can tie up the baggage container bundle and be clamped in the narrow groove 46, and it is not come off because of rocking.

Claims

1, a kind of hand pulling type transport cart comprises a sweeping skeleton, a pair of expansion bracket, an entablatrance, a cross sill, a luggage carrier, two vehicle wheel frames, and one tightens frenulum, it is characterized in that:

2, hand pulling type transport cart according to claim 1, it is characterized in that: the action button that described entablatrance is interior, two oblique-shaped holes offering on its two sidewalls shell, it just installs two companies and advises bar, one of this trace end all is equipped with the lug of symmetry, and on the other end of trace, then be equipped with a latch.

3, hand pulling type transport cart according to claim 1, it is characterized in that: the caulking groove that described luggage carrier is set, on the wall shell at its bottom and rear side position, be provided with for the movable rod member of skeleton bottom and replace the chute that is disc of holding or be the groove of double inclined plane or the fixture block of convex shape.

4, hand pulling type transport cart according to claim 3 is characterized in that: institute's set movable rod member in the skeleton bottom that is set forth in, its bottom forms the corresponding slick and sly conical surface or the oblique conical surface or inner concave arc surface.

5, hand pulling type transport cart according to claim 1 is characterized in that: described luggage carrier offers one or a pair of jack, and it just one of offers individual with cross sill or a pair of frame hole is corresponding.

6, hand pulling type transport cart according to claim 1, it is characterized in that: two traces that described cross sill is inner set, the one distal process is provided with the lug of symmetry, on the sideway stance of this trace, be equipped with the protruding button of a bending, the protruding button of this bending stretch out above-mentioned under outside a pair of frame hole offered of crossbeam.

7, hand pulling type transport cart according to claim 1 is characterized in that: should

8. hand pulling type transport cart according to claim 1 is characterized in that: crossbeam offers a rectangular opening and most narrow grooves under described, for the clamping of inlaying of tightening frenulum.

9. hand pulling type transport cart according to claim 1, it is characterized in that: two described inner sleeves, its bottom is arranged with a Button Block, this Button Block offers a guide groove, its inside just installs a compression spring and a latch, this latch is provided with an elongated slot, and this elongated slot then gives holding for the bottom of a curved fastener.

10. hand pulling type transport cart according to claim 1, it is characterized in that: described handle inside is provided with a guide groove, a compression spring is fixed in this guide groove holding, on this compression spring, then be provided with an action button, two side ends of this action button are hung with a swing arm, and the set dog hole of this swing arm of mat colludes hangs a connecting rod.

11. hand pulling type transport cart according to claim 10 is characterized in that: inside pipe casing is provided with a connecting rod within described, and this small end colludes the dog hole that is hung on above-mentioned swing arm, and then collude in the button hole that is hung on the curved fastener lower end.

12. hand pulling type transport cart according to claim 1, it is characterized in that: described handle interior arrangement has a microscler pull bar, on two side ends of this microscler pull bar top, respectively replace and be provided with a compression spring, respectively offer groove one on the two side end wall shells of this microscler pull bar, this groove colludes hangs a connecting rod.