CN2455571Y - Seat frame assembly for pram - Google Patents

Abstract

The utility model relates to a seat frame assembly for a baby carriage, which is characterized in that a coupled rod is arranged between a chair back bracket and a handrail pivoted on a seat bracket of the seat frame assembly, the rear end of the seat bracket is pivoted on end faces of U-shaped bodies positioned at the same side, and through the support of the U-shaped bodies, the phenomenon of crack can not be generated between the seat bracket and a rod frame. In addition, the front end of the seat bracket is provided with a jacket; the front ends of two fork levers of the seat frame assembly are respectively provided with a supporting block which is leaned by the seat bracket; a hook lever is assembled between the jacket and the supporting block so as to cause the seat bracket and fork levers to be in a linking relation. Simultaneously, the space among the seat bracket, the hook lever, a push handle and a front bracket is reduced so as to avoid clamping and injuring fingers when the baby carriage is folded.

Description

A kind of perambulator take advantage of a skeleton group

The utility model relates to a kind of skeleton group of taking advantage of of perambulator, refers to that especially a kind of being at its front and rear wheel after the folding separately set up the perambulator that folds to amount to serial verb construction.

Foldable baby pushchair as shown in figure 11 comprises a framework 10, two poles 20, two front struts 30, two rear poles 40, a seat 50, a back backrest 60 and a tie-rod 70.Wherein: the pole 20 with guardrail is slidingly installed on the front strut 30, and the mechanism that folds in order to locking and unlatching is promoted by pole 20, and the lower end nationality of the pole 20 of guardrail is connected to rear pole 40 by two hinged staggered support arms 101,102; The upper end of front strut 30 respectively comprises a guiding intermediate plate 301, and each connects this front strut 30 to the vertical support arm 401 of rear pole 40 and is hinged to this guiding intermediate plate 301; Framework 10 supportings one seat 50, is hinged to back backrest 60, a handrail 103 and an anterior guardrail 104 at seat 50; Seat 50 is hinged to vertical support arm 401 at its rear portion by side, is hinged to each handrail 103 by a tie-rod 70 therebetween, and is the front end that other bar 701 is hinged to guardrail pole 20 at its front end via another.Because the side at seat 50 is that mutual connection is articulated in vertical support arm 401, and the side at seat 50 must support the weight of taking advantage of a person usually, so form a downward power in this place, therefore easily opposite side and vertical support arm 401 cause rhegma, crooked influence, destroy the overall architecture of perambulator.Moreover, seat 50 side front ends are to be placed in preceding support member set between guardrail pole 20 front ends and the staggered support arm, and not being that the two ends of part 701 are colluded respectively and pulled in the front end place of side and guardrail pole 20, to cause side, to be not to form bigger space between part 701, the guardrail literary composition bar 20, when returning the vehicle to the garage and knock off, easily, crush, cause inconvenience and danger when returning the vehicle to the garage and knock off and make to point because of artificial carelessness.

The purpose of this utility model provides a kind of skeleton group of taking advantage of of perambulator, makes its spacing that can reduce support, raker and vertebra handle, front frame, takes place to avoid the situation that hand is crushed when returning the vehicle to the garage and knock off.

The purpose of this utility model realizes by following technological means: a kind of perambulator take advantage of a skeleton group, by two front frames, two after poppets, two vertebra handles, two combined covers, two joint pieces, one dorsal part skeleton group, one takes advantage of a skeleton group and a chair back skeleton group to constitute, wherein: two combined covers separate from one combined cover of both sides sacrificial vessel has the front frame of front-wheel to wear and the after poppet and the handle of tool trailing wheel set firmly, on joint piece, set firmly again with front frame, and handle is worn among the joint piece, this dorsal part skeleton group is the mechanism that can amount to again, and it is built between two joint pieces and two after poppets, this takes advantage of a skeleton group then to be built up between front frame and the dorsal part skeleton group, and has a function that can fold, as for chair back skeleton group also is a foldable structure, and it is built in takes advantage of between a top of skeleton group and two combined covers; This takes advantage of a skeleton group to take advantage of seat support, two to be to intersect fork arm, two rakers and the two U-shaped bodies set up to form by two; This two U-shapeds system is built in two U-shaped body places of dorsal part skeleton group respectively in opening mode inwardly, establish a chuck in the front group of taking advantage of seat support again, and the front end in two fork arms respectively is provided with a bracer, this bracer can be for taking advantage of seat support by putting, and this bracer respectively and with it guiding cover on the handle of homonymy is pivoted, rear end as for two fork arms then is embedded in the opening of U-shaped body respectively, it is characterized in that: two take advantage of the rear end of seat support to be hubbed at respectively on the end face of the U-shaped body that is positioned at homonymy, and establish to make in group between the bracer of homonymy and the chuck and set up taking advantage of seat support and setting up the raker of tool continuous action relation between the fork arm of bracer of chuck.

Advantage of the present utility model is:

Describe structure of the present utility model in detail below in conjunction with accompanying drawing:

Block diagram when Fig. 1 launches for the utility model

Lateral plan when Fig. 2 launches for the utility model

Back view when Fig. 3 launches for the utility model

Joint piece view when Fig. 4 launches for the utility model

Local structure rear perspective view when Fig. 5 launches for the utility model

Fig. 6 is the local structure birds-eye view of the utility model after returning the vehicle to the garage and knock off

One of joint piece view when Fig. 7 returns the vehicle to the garage and knock off for the utility model

Two of joint piece view when Fig. 8 returns the vehicle to the garage and knock off for the utility model

Fig. 9 is the lateral plan of the utility model after returning the vehicle to the garage and knock off

Figure 10 is the joint piece view of the utility model after returning the vehicle to the garage and knock off

Figure 11 is existing Foldable baby pushchair constructional drawing.

As shown in Figure 1 to Figure 3, perambulator by front frame 1, after poppet 2, handle 3, combined cover 4, joint piece 5, dorsal part skeleton group 6, take advantage of a skeleton group 7, chair back skeleton group 8, handrail 9 and stretcher 10 to form; One end group of front frame 1 is provided with front-wheel 11, and its other end is fixedly arranged on joint piece 5 places after passing combined cover 4; One end group of after poppet 2 is established trailing wheel 21, and the other end then sets firmly with combined cover 4; Handle 3 passes joint 5 and combined cover 4 in regular turn and sets firmly with combined cover 4, sets firmly a guiding cover 31 in handle 3 front ends again, and these 31 whiles of guiding cover are worn by front frame 1; Combined cover 4 is in order in conjunction with forward and backward support 1,2, handle 3 and handrail 8; Joint piece 5 inside are provided with a positioning key 50, a blocking key 52, a spring 53 (as shown in Figure 4), because joint piece 5 structures own are not invention emphasis of the present utility model, so repeat no more in this; Dorsal part skeleton group 6 is by two back side brackets 61, two cross tubes 62, two sheer poles 63, two braces 64, one straight-bar 65 is formed, wherein the upper end of two back side brackets 61 is incorporated into joint piece 5 places (as shown in Figure 4), and blocking key 52 is fixedly arranged on the back side bracket 61, and the lower end of back side bracket 60 is arranged in the opening U-shaped body 611 forward (below see also Fig. 5), and this U-shaped body 511 is pivoted mutually with after poppet 2, the outer end of two cross tubes 62 is pivoted mutually with back side bracket 61, its the inner is pivoted mutually with straight-bar 65, and group is established a slide block 651 on the straight-bar 65, the both sides of slide block 651 are pivoted for two braces 64 respectively, then each is hubbed at two sheer poles, 63 places respectively to the other end of two braces 64, and the outer end of two sheer poles 63 is hubbed at respectively on the wall of U-shaped body 611 of lower end of both sides back side bracket 61, and its inner then articulates mutually with the other end of straight-bar 65; Take advantage of a skeleton group 7 (as shown in Figure 5 and Figure 6) to take advantage of seat support 71 by two, two are the fork arm 72 that intersection is set up, two rakers 73 and two U-shaped bodies 74 are formed, two U-shaped bodies 74 are built in two U-shaped bodies, 611 places of dorsal part skeleton group 6 respectively in opening mode inwardly, and take advantage of the rear end of seat support 71 to be hubbed at respectively on the wall of the U-shaped body 74 that is positioned at homonymy with two, establish a chuck 711 in the front group of taking advantage of seat support 71 again, the front end that continues at two fork arms 72 respectively is provided with a bracer 721, this bracer 721 can be for taking advantage of seat support 71 by putting, with as the supporting member of taking advantage of seat support 71 front ends, and this bracer 721 also respectively and with it the vertebra of homonymy the guiding cover 31 on 3 is pivoted, simultaneously, between the bracer 721 of homonymy and the chuck 711 with raker 73 as linkage part, rear end as for two fork arms 72 then is embedded in respectively in the opening of U-shaped body 74, and it is fixing to be pivoted with it; Chair back skeleton group 8 (as shown in Figures 2 and 3) is made up of hinged arm on the chairback brace 81 that is positioned at both sides, backboard 82, two 83, twice hinged arms 84 and two traces 85, wherein the lower ending pivot of chairback brace 81 is located at and is taken advantage of on the seat support 71, backboard 82 is located between two chairback braces 81, and pull upper and lower end place between the 82 public both sides chairback braces 81 at the back of the body and organize respectively and establish hinged arm 83 and following hinged arm 84, then be hubbed at chairback brace 81 and handrail 9 places respectively as for the two ends of trace 85, so that interlock mutually between chairback brace 81 and the handrail 9; Handrail 9 is made up of the arm-rest frame 91 of both sides and the handrail cross bar 92 that is hubbed between two arm-rest frames 91, and handrail cross bar 92 articulates mutually with three linkage sections 921 and form, so that this handrail cross bar 92 can be by recessed folding, arm-rest frame stands on the combined cover 4 for 91 groups; The sheet 101 of pulling that stretcher 10 is established mutually by two correspondences is formed, and the outer end of this two plate 101 is located on the front frame 1, and its inner then pivot joint group mutually is upright, so that this stretcher 10 can be amounted to.

When desiring this perambulator of folding (extremely shown in Figure 10) as Fig. 7, can press down the positioning key 51 on the joint piece 5, so that the protruding grain 511 of the buckle of positioning key 51 breaks away from the last hook part 521 of blocking key 51, then handle 3 is passed the application of force downwards, because combined cover 4 is fixedly arranged on the handle 3, and after poppet 2 is also established mutually with combined cover 4, living front-wheel 11 places so make combined cover 4 and after poppet 2 be subjected to its interlock moves, the then relative upper end that is displaced to handle 3 in joint 5 that is pivoted with front frame 1, each is established mutually with the guiding cover 31 on the handle 3 because of the bracer 721 of two fork arms 72 again, causing two fork arms 72 to be subjected to guiding overlaps 31 interlock and inwardly intersects stacked, both angles are diminished, and take advantage of between seat support 71 and the fork arm 72 being connected with of raker 74 arranged because of two, cause two to take advantage of seat support 71 also to be subjected to its interlock and inwardly close up, and drive both sides handle 3, front frame 1, after poppet 2 is mutually by putting, simultaneously, the cross tube 62 of dorsal part skeleton group 6 and sheer pole 63 are because of being subjected to the extrusion of both sides back side bracket 61, and make the recessed folding of inner upward displacement of two cross tubes 62 and two sheer poles 63, and 651 of two braces 63 on straight-bar 65 and slide blocks are amounted to and are folded mobile with two sheer poles 63, moreover, chair back skeleton group 8 is also because of being extruded, make the last hinged arm 83 of its backboard 82 both sides and descend hinged arm 84 to live backboard 82 sides and fold by putting, and the protruding grain 511 of buckle to joint piece 5 just can lock the state after folding when being equipped in lower hook part 522 places; In addition in the action of returning the vehicle to the garage and knock off, the linkage section 91 of handrail 9 both sides will be the bending states of 90 degree with middle linkage section 91, extend the shape that joins and be with arm-rest frame 91, also be as for two plates 101 of stretcher 10 and amount to shape mutually.

If when launching this perambulator, must push the locations 51 of joint piece 5 once more, so that the protruding grain 511 of buckle breaks away from lower hook part 522, then will draw on the handle 3, make each member counteragent, treat the protruding grain of buckle 511 collude be formed on hook part 522 after, promptly finish and launch action, and deployed condition is fixed.

Because of the present utility model taking advantage of taken advantage of seat support front end and fork arm front end in the skeleton group, system is connected with a raker that takes the shape of the letter U, and the two ends of this raker system is equidirectional and sets up, therefore, can make the gap of taking advantage of between a skeleton group and front frame and vertebra handle be reduced to minimum, and prevent in the folding action, consequently point the situation that is crushed because of artificial careless mistake and take place.

Claims (1)

1, a kind of perambulator take advantage of a skeleton group, by two front frames, two after poppets, two vertebra handles, two combined covers, two joint pieces, one dorsal part skeleton group, one takes advantage of a skeleton group and a chair back skeleton group to constitute, wherein: two combined covers separate from one combined cover of both sides sacrificial vessel has the front frame of front-wheel to wear and the after poppet and the handle of tool trailing wheel set firmly, on joint piece, set firmly again with front frame, and handle is worn among the joint piece, this dorsal part skeleton group is the mechanism that can amount to again, and it is built between two joint pieces and two after poppets, this takes advantage of a skeleton group then to be built up between front frame and the dorsal part skeleton group, and has a function that can fold, as for chair back skeleton group also is a foldable structure, and it is built in takes advantage of between a top of skeleton group and two combined covers; This takes advantage of a skeleton group to take advantage of seat support, two to be to intersect fork arm, two rakers and the two U-shaped bodies set up to form by two; This two U-shapeds system is built in two U-shaped body places of dorsal part skeleton group respectively in opening mode inwardly, establish a chuck in the front group of taking advantage of seat support again, and the front end in two fork arms respectively is provided with a bracer, this bracer can be for taking advantage of seat support by putting, and this bracer respectively and with it guiding cover on the handle of homonymy is pivoted, rear end as for two fork arms then is embedded in the opening of U-shaped body respectively, it is characterized in that: two take advantage of the rear end of seat support to be hubbed at respectively on the end face of the U-shaped body that is positioned at homonymy, and establish to make in group between the bracer of homonymy and the chuck and set up taking advantage of seat support and setting up the raker of tool continuous action relation between the fork arm of bracer of chuck.

Images