CN2368765Y - Joint of baby vehicle - Google Patents

Abstract

The utility model relates to a baby vehicle joint with a double clamping function, which is characterized in that the joint is mainly provided with a first fastener and a second fastener, wherein, the first fastener is connected with an upper supporting rod, the second fastener is connected with a lower supporting rod, and the bottom end of the first fastener is mutually pivoted at the top end of the second fastener; a pull rod assembly is arranged in a containing groove which is arranged on the first fastener, and clamping blocks which are arranged at the pull rod assembly can be jutted towards an upper pivoting part at the bottom end of the first fastener by a spring; two clamping grooves are arranged at a lower pivoting part which is arranged at the top end of the second fastener. The clamping blocks can be automatically embedded into the clamping grooves at the corresponding position to form a buckling state when the baby vehicle is unfurled or folded, and accordingly, efficacy of cost saving and easy use is realized.

Description

Baby car joint that can dual blocking

The utility model relates to a kind of baby car joint, and particularly a kind of baby car joint that can dual blocking refers to have dual buckle effect especially, and perambulator needn't be provided with a kind of joint that folds hook in addition launching or during folding, all can holding.

The structure of general perambulator all is designed to collapsible structure in order not take up space, so that carry or store, is formed so perambulator except the seat cushion that the baby takes, can be described as by the many poles and the joint of pivot joint pole.

As shown in Figure 1, 2, know and between the upper and lower strut bar 10,20 of perambulator a joint 300 is set and articulates mutually, but keep the blocking state in order to make perambulator launch the back, then 300 tops are provided with a buckling piece 400 in addition in the joint, be fastened on upper support bar 10 bottoms and lower support bar 20 tops simultaneously by this buckling piece 400, can make perambulator launch the back blocking; When desiring to fold perambulator,, make lower support bar 20 tops break away from the blocking of buckling piece 400, can fold perambulator as long as the application of force makes buckling piece 400 upwards draw and moves.In like manner, keep blocking state and convenient carrying in order to make perambulator fold the back, know perambulator and in position also be provided with and fold hook 500, whether the perambulator that mat folds after hook 500 folds with control is launched.

Above-mentioned expansion and the collapsible structure of knowing perambulator, its shortcoming are when desire is launched or folded each time, twice action of all minimum necessary operation; When for example desire is launched perambulator by collapse state, must open folding hook earlier, make buckling piece upwards be displaced to aforementioned lower support bar top then and can break away from the position of buckling piece blocking, after perambulator launches, make buckling piece return to being fastened on simultaneously the position on upper support bar bottom and lower support bar top again, quite inconvenience during operation.

In addition, joint, buckling piece and fold hook and must separately make, and then be installed on the appropriate location of perambulator respectively, except manufacturing cost is higher, the assembling of perambulator is prolonged man-hour.

Therefore, if the structure design that can make the joint launches and dual buckle effect during folding with perambulator simultaneously,, all do a great deal of good no matter then be convenient in the manufacturing cost of user's comfort feature or perambulator.Design of the present utility model is based on this theory and finishes, and using forgoes knows the shortcoming of technology.

The purpose of this utility model is that a kind of baby car joint that can dual blocking will be provided, the joint of this perambulator has the effect of dual blocking, and promptly perambulator is launching or during folding, but all this joint of mat holds, need not be provided with in addition and fold hook, reach and save cost and purpose easy to use.

The purpose of this utility model is achieved in that

A kind of baby car joint that can dual blocking, it is characterized in that: this joint mainly is to comprise that first fastener and that is connected in upper support bar is connected in second fastener of lower support bar, wherein the first fastener bottom and the second fastener top articulate mutually, and the first fastener rear side is extended with storage tank, and rod assembly is set in it; But clamping block mat spring articulated section projection on the first fastener bottom of this rod assembly, the following articulated section on the second fastener top then is provided with first draw-in groove and second draw-in groove; Perambulator is expansion or is folded to the location shape, and clamping block embeds first or second draw-in groove of opposite position automatically and forms the buckle state.

The last articulated section of the first fastener bottom is made up of the circular slab that two centres have the gap, the following articulated section on the second fastener top is the monolithic circular slab for inserting this gap then, both centers of circle are run through by an axostylus axostyle and are articulated, and make first, second fastener be able to corresponding pivot.

Be convexly equipped with strip retaining edge in the storage tank both sides, top, bottom then respectively are provided with horizontal upper and lower plate washer, and respectively dig on upper and lower baffle plate and be provided with open-work; Rod assembly is to include a clamping block, a spring, a connecting rod and a pull handle, wherein connecting rod vertically places in the storage tank, the sheathed spring of its outer rim, the top is passed the open-work and the pull handle of overhead gage and is fixed, the bottom is then fixed with clamping block, make clamping block bottom pass the open-work of lower baffle plate, arrive top, upper and lower articulated section, make the spring top be resisted against the overhead gage bottom, the spring bottom is resisted against the lower baffle plate top.

Both sides, storage tank top can be provided with chute, the pull handle both sides be provided with cooperates with chute can about the slide rail of protrusion of slippage.

Button hole is established in the storage tank two side, and other is provided with the cover plate that protruding button is established in both sides, forces pressing cover integrated circuit board button to be fixed in the storage tank outside.

The connecting rod two ends are bending, and pull handle and clamping block dig establishes corresponding curved groove, and bending place, connecting rod two ends embeds the curved groove internal fixation of pull handle and clamping block respectively.

In sum, when user's desire is launched perambulator or fold, need only operate once can make the perambulator expansion or folding back blocking automatically; For example perambulator is when deployed condition, the clamping block of aforementioned rod assembly embeds first draw-in groove downwards, make first and second fastener form the buckle state, at this moment, the clamping block of rod assembly is upwards drawn, can remove the buckle state of first and second fastener, and then first and second fastener is pivoted relative to each other fold, when folding fully, the clamping block of rod assembly just with the second draw-in groove contraposition, then, can make clamping block embed second draw-in groove automatically by the holding of spring, make first and second fastener form the buckle state, the automatic blocking action after finishing perambulator and folding; Vice versa, and the user makes clamping block break away from second draw-in groove and when launching perambulator fully, clamping block can embed first draw-in groove again automatically, the automatic blocking action after finishing perambulator and launching.

Of the present utility model simple in structure, have automatic blocking action, can provide sizable convenience in the use.

Moreover, because launch and dual buckle effect during folding with perambulator simultaneously in the single joint of the utility model, can replace and know joint, buckling piece and fold three kinds of elements such as hook, so but saving in material and assembling time cost reach the purpose that reduces manufacturing cost.

Another advantage, be the trouble in the rod assembly increase assembling of avoiding the setting of the utility model joint, the design of rod assembly also conveniently to be installed as guiding, only must be snapped in the storage tank of the first fastener lower edge during assembling, must any screw or rivet auxiliary fixing.

Further specify the technical solution of the utility model and embodiment below in conjunction with accompanying drawing.

Description of drawings:

Fig. 1 is a lateral plan of knowing the perambulator support;

Fig. 2 is an action scheme drawing of knowing baby car joint and buckling piece;

Fig. 3 is that the utility model is located at the lateral plan on the perambulator;

Fig. 4 is the utility model rear side viewing three-dimensional exploded view;

Fig. 5 is the A-A cutaway view of Fig. 4 first fastener, is provided with rod assembly in its storage tank;

Fig. 6 is the B-B cutaway view of Fig. 4 first fastener, is provided with rod assembly in its storage tank;

Fig. 7 is the combination scheme drawing of first and second fastener of the utility model, discloses the state that rod assembly embeds first draw-in groove simultaneously;

Fig. 8 is the counterrotating scheme drawing of first and second fastener of the utility model, discloses the state of rod assembly simultaneously;

Fig. 9 is the combination scheme drawing of first and second fastener of the utility model, discloses the state that rod assembly embeds second draw-in groove simultaneously.

Shown in Fig. 3～6, structure of the present utility model mainly is to comprise that first fastener 30 and that is connected in upper support bar 10 is connected in second fastener 40 of lower support bar 20, wherein first fastener, 30 bottoms and second fastener, 40 tops articulate mutually, and first fastener, 30 rear sides are extended with storage tank 50, use that rod assembly 60 being set; The clamping block 61 of this rod assembly 60, but mat spring 62 articulated section 31 projections on first fastener, 30 bottoms, 41 of the following articulated sections on second fastener, 40 tops are provided with first draw-in groove 42 and second draw-in groove 43; When perambulator when launching or being folded to the location, clamping block 61 can embed first or second draw-in groove 42,43 (as Fig. 7, shown in Figure 9) of opposite position automatically and form the buckle state.

Shown in Fig. 4 and 8, the last articulated section 31 of aforementioned first fastener 30 bottoms is made up of the circular slab that two centres have the gap, 41 the monolithic circular slabs in the following articulated section on second fastener, 40 tops for inserting this gap, both centers of circle are run through by an axostylus axostyle 32 and are articulated, and make first, second fastener 30,40 be able to corresponding pivot.

Shown in Fig. 4～6, aforesaid storage tank 50 can be convexly equipped with strip retaining edge 51 in both sides when implementing, and top, bottom then respectively are provided with horizontal upper and lower baffle plate 52,53, and respectively digs on upper and lower baffle plate 52,53 and be provided with open-work 54,55; And rod assembly 60 is to include a blocking bar 61, a spring 62, a connecting rod 63 and a pull handle 64, wherein connecting rod 63 vertically places in the storage tank 50, the sheathed spring 62 of its outer rim, it is fixing with pull handle 64 that the open-work 54 of overhead gage 52 is passed on the top, the bottom is then fixing with clamping block 61, make clamping block 61 bottoms pass the open-work 55 of lower baffle plate 53, arrive 31,41 tops, upper and lower articulated section, and because of spring 62 tops are resisted against overhead gage 52 bottoms, spring 62 bottoms are resisted against lower baffle plate 53 tops, the application force that spring 62 is kept clamping block 61 downward roof pressures.In addition, both sides, storage tank 50 top can be provided with chute 56, and pull handle 64 both sides then are provided with the slide rail 65 of corresponding protrusion, then by the cooperating of chute 56 and slide rail 65, can limit pull handle 64 only can about slippage.

Be principle with the ease of assembly when above-mentioned rod assembly 60 is implemented, connecting rod 63 two ends are bent, and pull handle 64 and clamping block 61 dig and establish corresponding curved groove, then the fixing of connecting rod 63 and pull handle 64, clamping block 61 only must pass overhead gage 52 and after inserting storage tank 50 at connecting rod 63, bending place, connecting rod 63 two ends embedded respectively in the curved groove of pull handle 64 and clamping block 61 to get final product; In addition, can add the cover plate 57 of establishing protruding button in both sides, and establish button hole in storage tank 50 two sides, utilize and force to push cover plate 57 snap fit in storage tank 50 outsides, spring 62, connecting rod 63 and pull handle 64 are hidden in the storage tank 50, and the composite construction that can form shown in Fig. 5,6 reaches purpose easy to assembly.

As shown in Figure 7, perambulator is when deployed condition, the clamping block 61 of rod assembly 60 is projected into the following articulated section 41 on second fastener, 40 tops downwards because of being subjected to spring 62 roof pressure bottoms, and embed first draw-in groove 42, make first and second fastener 30,40 form the buckle state, then perambulator promptly keeps deployed condition to fold.

As shown in Figure 8, when the user upwards forces in the pull handle 64 of rod assembly 60,, come off so can prevent pull handle 64 from being drawn on excessive because storage tank 50 convexes with strip retaining edge 51 in both sides; The binding that this pull handle 64 sees through connecting rod 63 can drive clamping block 61 to top offset, makes clamping block 61 break away from first draw-in groove 42, can remove the buckle state of first and second fastener 30,40, and then first and second fastener is pivoted relative to each other and folds perambulator; When first and second fastener 30,40 is pivoted relative to each other, because clamping block 61 has broken away from first draw-in groove 42, the application of force so the user needn't make progress always.

As shown in Figure 9, when perambulator folds fully, the following articulated section 41 of second fastener 40 just is pivoted to clamping block 61 and 43 pairs of bit positions of second draw-in groove of rod assembly 60, then because the spring 62 roof pressure application force that keeps down always, so can make clamping block 61 embed second draw-in groove 43 automatically, make first and second fastener 30,40 form the buckle states, the automatic blocking action after promptly finishing perambulator and folding.

Same, when user's desire was launched perambulator, need only make clamping block 61 break away from second draw-in groove 43 can carry out, and when perambulator launched fully, clamping block 61 can embed first draw-in groove 42 (as shown in Figure 7) again automatically, the automatic blocking action after finishing perambulator and launching.In other words, when user's desire is launched perambulator or fold, need only operate perambulator is launched or fold after automatic blocking, can provide sizable convenience in the use.

Above embodiment diagram and element title are to establish for convenient the utility model structure of describing, and are not in order to limiting interest field of the present utility model, all according to the utility model characteristic principle slightly the equivalence of element replace, must be within the utility model scope.

Claims (6)

1, a kind of baby car joint that can dual blocking, it is characterized in that: this joint mainly is to comprise that first fastener and that is connected in upper support bar is connected in second fastener of lower support bar, wherein the first fastener bottom and the second fastener top articulate mutually, and the first fastener rear side is extended with storage tank, and rod assembly is set in it; But clamping block mat spring articulated section projection on the first fastener bottom of this rod assembly, the following articulated section on the second fastener top then is provided with first draw-in groove and second draw-in groove; Clamping block embeds first or second draw-in groove of opposite position and forms the buckle state.

2, baby car joint that can dual blocking as claimed in claim 1, it is characterized in that: the last articulated section of the first fastener bottom is made up of the circular slab that two centres have the gap, the following articulated section on the second fastener top is the monolithic circular slab for inserting this gap then, both centers of circle are run through by an axostylus axostyle and are articulated, and make first, second fastener be able to corresponding pivot.

3, baby car joint that can dual blocking as claimed in claim 1 is characterized in that: be convexly equipped with strip retaining edge in the storage tank both sides, top, bottom then respectively are provided with horizontal upper and lower plate washer, and respectively dig on upper and lower baffle plate and be provided with open-work; Rod assembly is to include a clamping block, a spring, a connecting rod and a pull handle, wherein connecting rod vertically places in the storage tank, the sheathed spring of its outer rim, the top is passed the open-work and the pull handle of overhead gage and is fixed, the bottom is then fixed with clamping block, the open-work of lower baffle plate is passed in the clamping block bottom, arrives top, upper and lower articulated section, and the spring top is resisted against the overhead gage bottom, the spring bottom is resisted against the lower baffle plate top.

4, baby car joint that can dual blocking as claimed in claim 3 is characterized in that: both sides, storage tank top can be provided with chute, the pull handle both sides be provided with cooperates with chute can about the slide rail of protrusion of slippage.

5, baby car joint that can dual blocking as claimed in claim 3, it is characterized in that: button hole is established in the storage tank two side, and other is provided with the cover plate that protruding button is established in both sides, forces pressing cover integrated circuit board button to be fixed in the storage tank outside.

6, baby car joint that can dual blocking as claimed in claim 3, it is characterized in that: the connecting rod two ends are bending, and pull handle and clamping block dig establishes corresponding curved groove, and bending place, connecting rod two ends embeds the curved groove internal fixation of pull handle and clamping block respectively.

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