CN2222100Y

CN2222100Y - Closing device for frame of hood carriage

Info

Publication number: CN2222100Y
Application number: CN 95207063
Authority: CN
Inventors: 黄茂雄
Original assignee: LUGUANG ENTERPRISE CO Ltd
Current assignee: LUGUANG ENTERPRISE CO Ltd
Priority date: 1995-04-08
Filing date: 1995-04-08
Publication date: 1996-03-13
Anticipated expiration: 2005-04-08

Abstract

The utility model relates to a closing device for the frame of a hood carriage. A cross bearing rod whose center is provided with a spiral seat is pivoted with a left and a right frame rods on the back part of a carriage body, and in addition, the upper section of the cross bearing rod and a handle rod on the upper part of the frame rod are formed into a structural form which can bend by the spiral seat and the intermediate section of the frame rod. Furthermore, after the left and right frame rods are folded and combined with a front and a back wheels, the handle rod can be folded and closed downwards and four wheels are made to be positioned in parallel, enabling the volume of the carriage body to be consumedly reduced, and the carriage body with four wheels can stably stand on ground.

Description

The folding mechanism of umbrella car skeleton

The utility model relates to a kind of folding mechanism of skeleton, refers to a kind of simple operation of taking down the exhibits especially, and it is little to fold volume, the folding mechanism of portable umbrella car skeleton.

The early stage umbrella car design as shown in Figure 8 of general being seen umbrella car device, its structure is that each is with a crossing branching rod A, B pivot knot in rear vehicle and bottom, and the front and back end, bottom is provided with strut C, with pole A, B and strut C support left and right sides skeleton D fixed; When umbrella car device folds, only skeleton D can be drawn close and puts, though its volume reduces, the umbrella car still keeps certain length, and it is excessive that volume still shows, and inconvenience is carried; Had again afterwards at its shortcoming and improved structure, as shown in Figure 9, it articulates bent front running board F between the bottom before with two front support rod E, in addition back stay G is directly with the upper end of its upper end loose joint front support rod E, grab rail H is engaged in the upper end of front support rod E with pivot connecting element, and grab rail H upper end utilizes pivot connecting element to be connected with the back steady arm I that becomes the X shape with back stay G middle-end place more in addition; Again, steady arm J front and back end, end portion is fixed in front running board F both-end bottom surface respectively and is connected in the stage casing of back stay G with pivot connecting element; And whole skeleton is when folding, as shown in figure 10, except that can about and close, the pole that its handrail and front-wheel connected is also reliably put, and forms the collapse state that front and back wheel splits; Yet this structure, though more above-mentioned early stage design have one can before and after the skeleton effect of closing up, its grab rail adds that rear wheel fulcrum bar length does not shorten yet, can't promote the comfort feature when carrying, and big volume like this, on the cost of factory's shipment transportation and packing, also form waste, simultaneously, because of it splits for front and back wheel, whole locomotive body only can keep flat ground, can't stand, if then easy landing is toppled over by the wall vertically-arranged, very inconvenience is placed in collection.

The purpose of this utility model is, a kind of folding mechanism of umbrella car skeleton of new structure is provided, and makes its simple operation of taking down the exhibits, and volume is little after folding, and is easy to carry.

The purpose of this utility model is realized by following technical scheme.A kind of folding mechanism of umbrella car skeleton, it is characterized in that it includes: members such as left and right sides bone bar, back foot lever, crossing branching rod, guard bar and pedal, wherein, bone bar central authorities are provided with a rotatable joint, its epimere forms leader's bar, central horizontal is extended a handrail, and the handrail front end articulates the guard bar of a bent swing, and hypomere then is bent to form preceding foot lever, rod end connects establishes wheel, and should articulate the back foot lever in preceding foot lever bending place, back foot lever top and bending extension one horizontal strut, the bottom also is provided with wheel;

Crossing branching rod articulates left and right second chief's bar and back foot lever with its four end, its top and bottom and respectively be horizontally set with brace and strut, and its infall is provided with one and revolves seat, and the bar pivot knot is propped up on top revolve seat;

Pedal is articulated in the bottom between foot lever before two, but the plate body of two doublings of pivot respectively connects a connecting rod, and connecting rod is held in addition and pivot is tied in the upper end of back foot lever.

The purpose of this utility model also can further be realized by following technical measures.The folding mechanism of aforesaid umbrella car skeleton, wherein said pedal pivot is tied two plate bodys, the one side is extended a sloping desk, the central authorities opposite end respectively forms arc circle correspondence and the parallel pivot connecting plate of spacing, and plant mutually and place a trunnion, and two plate bodys, two external side ends respectively are provided with the sleeve that a pivot ear and pivot knot one has the pivot ear equally, this sleeve then noose on preceding foot lever; In addition respectively be provided with one and articulate pipe connecting a connecting rod in two plate bodys, one side, and this connecting rod in addition end also have the pipe of pivot joint and be hubbed on the foot lever of back.

The utility model is to have the crossing branching rod that revolves seat at the car body back with central authorities to articulate left and right sides bone bar, and the upper handle bar of the epimere of crossing branching rod and bone bar formed bent structural form with the joint of revolving seat and bone bar stage casing, after making left and right sides bone bar and front and back wheel close up closing again, its handlebar stem fold-down is received, and make four-wheel and put, and the volume of car body is significantly reduced, but and four-wheel steadily be placed on ground.

Another characteristic of the present utility model also is the pedal of the preceding bottom side of car body, it is that two pivots knots plate body is articulated in foot lever bottom side before the extension of bone bar with two outer ends, and connect two plate bodys with two connecting rods, the connecting rod end pivot is tied in the back foot lever, but stay bolt two plate bodys formed horizontal pedal when two connecting rods launched at car body, and forward and backward foot lever fold and about can promote plate body when closing up and fold pedal simultaneously, be convenient to operation.

Known to above-mentioned, the folding mechanism of umbrella car skeleton provided by the utility model, not only fold the back volume much smaller than commonly using product, and the design of each bracing member is reasonable coordination and interlock mutually also, no matter the folding or launch all quite smoothly of skeleton, operation is convenient, and support effect is firm simultaneously, and frame member is also simplified practicality.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is a pedal exploded perspective view of the present utility model.

Fig. 3 is an expansion scheme drawing of the present utility model.

Fig. 4 is an expansion lateral plan of the present utility model.

Fig. 5 is the back view that folds of the present utility model.

Fig. 6 is the lateral plan () that folds of the present utility model.

Fig. 7 is the lateral plan (two) that folds of the present utility model.

Fig. 8 commonly uses umbrella bassinet structure scheme drawing ().

Fig. 9 commonly uses umbrella bassinet structure scheme drawing (two).

Figure 10 commonly uses the umbrella car to fold scheme drawing (three).

At first seeing also shown in Figure 1ly, is the utility model integral structure scheme drawing, and its main skeleton structure includes left and right bone bar (1), back foot lever (2) and crossing branching rod (3); Wherein bone bar (1) epimere forms handlebar stem (11), the stage casing is established a rotatable joint (4) and is extended a handrail (41), and two side handrails (41) front end articulates the bent and guard bar (5) that can swing, bone bar (1) hypomere slightly curves preceding foot lever (12), rod end socket wheel, and articulate back foot lever (2) in its bending place, and the bending of foot lever (2) top, back extends a horizontal strut (21), and also socket wheel of bottom; In addition, crossing branching rod (3) four ends are articulated in second chief's bar (11) respectively and back foot lever (2) is located, its top and bottom also respectively are horizontally set with bent brace (6) and strut (7), and infall is provided with one and revolves seat (31), revolves the body of rod and the down turnover backward that can pivot with revolving seat (31) pivot joint on seat (31) top; Moreover, preceding foot lever (12) bottom of two bone bar (1) hypomeres articulates a pedal (8), and pedal (8) is designed to can be to folded structure, and connect two connecting rods (9) in nearly centre, connecting rod (9) holds then pivot to tie in back foot lever (2) upper end in addition, and two connecting rods (9) keep horizontality in order to stay bolt pedal (8).

See also shown in Figure 2, it is the exploded perspective view of the utility model pedal (8), wherein, pedal (8) is to be articulated by two plate bodys to form, its plate body one side is extended a plate body sloping desk (81), the central authorities opposite end respectively forms arc circle correspondence and the parallel pivot connecting plate (82) of spacing, wears the knot pivot with mutual plant with a trunnion (83) and connects; Again, the relative external side end of two plate bodys respectively forms a pivot ear (84), and with the sleeve that has pivot ear (851) equally (85) pivot; This sleeve (85) supplies noose on preceding foot lever (12); Other, the central pivot knot of pedal (8) is held both sides respectively to be provided with one and is articulated pipe (86) and connect a connecting rod (9), and other end of its connecting rod (9) also is provided with pivot joint pipe (91) to be hubbed on the back foot lever (2).

Behind the above-mentioned component composition, when the umbrella car is in deployed condition, as Fig. 1, Fig. 3, shown in Figure 4, the left side of car body, right bone bar (1) and back foot lever (2) are to be subjected to crossbar (3) to launch suitable angle to be strutted, and the brace (6) and the lower end strut (7) on crossing branching rod (3) top are straight horizontal support, an and fixing left side, right bone bar (1) and back foot lever (2) are not and close, pedal (8) between two of bone bar (1) preceding foot levers (12) also is pulled and ties the location simultaneously, and related foot lever (12) gathering forward with connecting rod (9) fixing back foot lever (2), and relatively, the connecting rod (9) that links to each other with back foot lever (2) also provides the structure of a stay bolt pedal (8), thereby plays the effect of the location that checks and balance.

In addition, when desiring the folding umbrella car, as shown in Figure 5, at first with brace (6) and upwards bending of strut (7), crossing branching rod (3) is closed up and can related left and right bone bar (1) and back foot lever (2) closing, and front side guard bar (5) level is bent forward, and pedal (8) bending downwards the time, with connecting rod (9) affect back foot lever (2) forward foot lever (12) draw close, make the umbrella car about, the front and back support body folds simultaneously and reduce its width and length (as shown in Figure 6); Then, after car body closes up, because the pivot knot center, joint (4) of bone bar (1) and the seat (31) that revolves of crossing branching rod (3) just are positioned on the same horizon with top crossing branching rod (3) pivot knot place, be that the handlebar stem (11) on bone bar (1) top and the top of crossing branching rod (3) have same centre of gration, as shown in Figure 7, this handlebar stem (11) can down be turned down backward together with crossing branching rod (3) fold, and then the height of umbrella car can be reduced, reduce more than half volume; And the guard bar (5) of bone bar (1) center armrest (41) front end pivot knot also can bend downwards, the single-piece volume is more dwindled and shows light and handy; Moreover, the car body after folding, its front and back wheel is also put and can four-wheel horizontal ground, makes the steady vertically-arranged of car body, does not topple over, and can place everywhere easily.

Claims

1. the folding mechanism of a umbrella car skeleton, it is characterized in that it includes: members such as left and right sides bone bar, back foot lever, crossing branching rod, guard bar and pedal, wherein, bone bar central authorities are provided with a rotatable joint, its epimere forms leader's bar, central horizontal is extended a handrail, and the handrail front end articulates the guard bar of a bent swing, and hypomere then is bent to form preceding foot lever, rod end connects establishes wheel, and should articulate the back foot lever in preceding foot lever bending place, back foot lever top and bending extension one horizontal strut, the bottom also is provided with wheel;

2. the folding mechanism of umbrella car skeleton according to claim 1, it is characterized in that described pedal pivot ties two plate bodys, the one side is extended a sloping desk, the central authorities opposite end respectively forms arc circle correspondence and the parallel pivot connecting plate of spacing, and plant mutually and place a trunnion, and two plate bodys, two external side ends respectively are provided with the sleeve that a pivot ear and pivot knot one has the pivot ear equally, this sleeve then noose on preceding foot lever; In addition respectively be provided with one and articulate pipe connecting a connecting rod in two plate bodys, one side, and this connecting rod in addition end also have the pipe of pivot joint and be hubbed on the foot lever of back.