CN2521108Y - Improved stroller frame - Google Patents

Abstract

The utility model relates to a baby stroller, in particular to an improved baby stroller frame, which is a herringbone frame formed by combining a front wheel rod, a rear wheel rod, a seat rod, a lying frame, a connecting seat, a positioning seat, a stroller pushing rod and the like; the front wheel rod top is fixed with the connecting seat sleeve, the top end of the rear wheel rod is pivoted with the connecting seat, the seat rod is arranged between the lower end of the push rod and the lower section of the rear wheel rod, the middle section of the seat rod is used for the lower end of the leaning frame to pivot, the push rod sequentially penetrates through the push rod through holes of the connecting seat and the positioning seat from top to bottom, the push rod can use the push rod through holes of the connecting seat and the positioning seat as a track in the processes of folding and unfolding, so that the up-and-down displacement stroke is stable, the buckling and pulling piece is sleeved outside the upper section of the push rod, the upper pull plate, the lower pull plate, the stretching element, the fixing piece and the clamping piece are sequentially arranged inside the push rod from top to bottom, and the clamping and pulling piece can be linked to release the clamping and pulling relation between the push rod and the positioning seat, so that the vehicle body can be folded.

Description

Improved stroller frame

Technical field

The utility model relates to a stroller for a baby, in particular to a skeleton of a stroller.

Background technique

A known collapsible baby stroller is composed of a car frame and a cloth bound on the car frame, wherein the car frame is mainly composed of a front wheel bar, a rear wheel bar, a seat bar, a reclining frame, a connecting seat, and a positioning seat. A herringbone car body composed of a combination of a stroller bar and a stroller bar. This baby stroller bar can not only push the car body forward, but also produce the effect of pushing down to achieve the folding of the car body. However, the known baby stroller is not The snapping point for positioning the skeleton is projected above the movable trolley rod, but the protruding setting of the snapping point causes the baby carriage to fail to meet the safety standards.

Contents of the invention

The main purpose of the present utility model is to provide a baby stroller frame that can be easily and quickly folded, and can be achieved only by moving the buckle upward and pushing the push rod downward.

For this reason, an improved stroller skeleton of the utility model is a herringbone car body composed of a front wheel bar, a rear wheel bar, a seat bar, a reclining frame, a connecting seat, a positioning seat and a push bar;

The front wheel rod is a '/' shaped frame body with the front wheel group combined at the lower end;

The rear wheel rod is a '\'-shaped frame body with the rear wheel group combined at the lower end;

The seat rod is an arc-shaped rod body whose rear end is pivotally connected to the lower part of the rear wheel rod, and whose front end is pivotally connected to the lower end of the cart rod;

The reclining frame is a frame whose lower end is hinged with the middle section of the seat rod. It uses an adjuster to change the tilt angle, and the lower end of the adjuster is hinged with the middle section of the rear wheel rod;

The connecting seat is a seat body provided with a front wheel rod sleeve hole, a rear wheel rod housing chamber and a perforation of the cart rod. The top of the rear wheel rod is pivotally connected, and the push rod is perforated so that the push rod can pass through from top to bottom and then move up and down;

The positioning seat is a seat body provided with front wheel rod perforation, cart rod perforation and square hole groove. Penetrate from top to bottom and then move up and down, and a locking hole is preset between the lower end of the square hole slot opened from bottom to top and the lower end of the push rod hole;

The trolley rod is a push force rod that passes through the connecting seat and the positioning seat from top to bottom, and is covered with a buckle and pull piece that can move up and down on the upper part of the cart rod; it is characterized in that:

The inside of the trolley rod is threaded from top to bottom in order with an upper pull plate, a lower pull plate, a tensile element, a fixing piece and a catch piece; Outside the word hole; the upper hole at the top of the upper pull plate is connected through the first through piece of the buckle and pull member, and the lower end of the upper pull plate is provided with a lower hole; the upper hole at the top of the lower pull plate and the lower hole of the upper pull plate Utilize the second piercing member to penetrate and connect, and the middle section and the lower section of the pull-down plate are respectively provided with a racetrack-shaped middle hole and a lower hole, and the lower side of the lower hole is provided with a push piece protrusion of the vertical pull-down plate; its tensile element, It is a telescopic elastic member whose upper end is connected with the second piercing piece; its fixing piece is a columnar member with a long groove in the center from top to bottom for the middle and lower sections of the pull-down plate to be accommodated. A fastener block can be connected to the lower end of the tensile element, and the upper section and the middle section of the fixing piece are provided with an upper through-piece hole and a middle through-piece hole in the direction perpendicular to the inner long groove, and the upper and middle through-piece holes can be used for the third , The four through-pieces pass through, and a container slot connected to the long groove is horizontally set in the middle section of the fixed piece, and the lower section of the fixed piece is provided with a lower through-piece hole for the fifth through-piece to pass through. The fifth through-piece can be Fix the fixing part and the trolley rod sleeve in a fixed position; the catch piece is provided with a through-hole on the upper end to provide the fourth through-piece through the connection, and can pivot and move inside the slot of the fixing part. The lower end of the catch piece is obliquely provided with an active end that can protrude from the next word hole of the cart rod, and the other side of the active end is provided with a push-and-turn part for the action of the protrusion of the push piece of the pull-down plate; The latch can release the clamping relationship between the trolley rod and the positioning seat, so as to achieve the effect of simply folding the car body.

It can be seen that the utility model provides an improved stroller frame that can be easily and rapidly achieved by simply acting on the buckle and pulling the part up and pushing the cart bar down to operate the folding car body. The upward buckle is operated by the pulling force, which can be linked with the pivoting of the locking piece to displace the active end, so as to release the clamping relationship between the push rod and the positioning seat, and then the push rod moves downward by the push force, which can produce The rear wheel lever closes the front wheel lever from the rear to the front. The operation is extremely simple and fast, and it also meets the safety standards.

Description of drawings

Fig. 1 is a schematic diagram of the stretching and positioning of the framework of the baby carriage of the present invention;

Fig. 2 is the exterior view of the stroller rod and positioning seat assembly of the baby carriage frame of the present invention;

Fig. 3 is a detailed diagram of the structure of the connecting seat of the baby carriage frame of the present invention;

Fig. 4 is a detailed view of the structure of the positioning seat of the framework of the baby carriage of the present invention;

Fig. 5 is a detailed diagram of the positioning of the push rod and the positioning seat of the stroller frame of the utility model;

Fig. 6 is an exploded view of the internal components of the push rod of the stroller frame of the utility model;

Fig. 7 is a detailed drawing of the removal of the push rod of the stroller frame of the utility model and the latch of the positioning seat;

Fig. 8 is a schematic diagram of the folding operation of the framework of the baby carriage of the present invention;

Fig. 9 is a completed drawing of the car body of the baby carriage frame of the present invention.

Detailed ways

The skeleton of the stroller of the utility model (please refer to Fig. 1) is composed of a front wheel rod 1, a rear wheel rod 2, a seat rod 3, a reclining frame 4, a connecting seat 5, a positioning seat 6 and a cart rod 7, etc. Herringbone body;

The front wheel bar 1 is a '/' shaped frame body with the front wheel group 11 combined at the lower end;

Rear wheel bar 2 is the '\' shape frame body that the lower end is combined with rear wheel group 21;

The seat rod 3 is an arc-shaped rod body whose rear end is pivotally connected with the lower section of the rear wheel rod 2, and whose front end is pivotally connected with the lower end of the cart rod 7;

The reclining frame 4 is a frame whose lower end is pivoted with the middle section of the seat bar 3, and the reclining angle is changed by the adjuster 41, and the lower end of the adjuster 41 is pivoted with the middle section of the rear wheel bar 2;

Connecting seat 5 is to be provided with the seat body (seeing Fig. 2 and Fig. 3) of front wheel rod sleeve hole 51, rear wheel rod chamber 52 and cart rod perforation 53, and its front wheel rod sleeve hole 51 can be used for front wheel The top end of the rod 1 is set in a fixed position, and the rear wheel rod chamber 52 can be pivotally connected to the top of the rear wheel rod 2, and the cart rod perforation 53 can be used for the push rod 7 to penetrate from top to bottom and then move up and down;

Locating seat 6, is to be provided with the seat body (seeing Fig. 2 and Fig. 4) of front wheel bar perforation 61, cart bar perforation 62 and square hole 63, and its front wheel bar perforation 61 can be used for the middle section of front wheel bar 1 Penetrating and fastening, and the push rod perforation 62 can be used for the push rod 7 to penetrate from top to bottom and then move up and down, and the lower end of the square hole groove 63 opened from bottom to top, and the lower end of the push rod perforation 62 lower end A locking hole 64 is preset between them (please also refer to Fig. 5);

Push cart bar 7, is by the car body that runs through connecting seat 5 and positioning seat 6 from top to bottom and pushes force bar (please refer to Fig. 6 together), inherently can move up and down in push cart bar 7 upper section outer cover The buckle 71, and the inside of the cart bar 7 is sequentially worn with an upper pull plate 72, a lower plate 73, a tensile element 74, a fixing part 75 and a catch piece 76; A fastener 711 is sheathed on the outside of the upper slot 70 on the upper section of the cart bar 7 (please refer to Fig. 1 together); The lower end of the upper pull plate 72 is provided with a lower hole 722; the upper hole 731 at the top of the lower pull plate 73 and the lower hole 722 of the upper pull plate 72 are connected through the second penetrating member 732, and the lower pull plate 73 The middle section and the lower section are respectively provided with a racetrack-shaped middle hole 733 and a lower hole 734, and the lower side of the lower hole 734 is provided with a push piece projection 735 perpendicular to the pull-down plate 73; The telescopic elastic member that firmware 732 links; Its fixture 75 is that the center is provided with the cylindrical member that inline elongated groove 751 can be accommodated in the middle section and the lower section of pull-down plate 73 from top to bottom, and a firmware is protruded at the fixture 75 upper ends The block 752 can be connected to the lower end of the tensile element 74, and the upper section and the middle section of the fixing piece 75 are provided with an upper piercing hole 753 and a middle piercing hole 754 in the direction of the vertical internal long groove 751. The upper and middle piercing holes 753 , 754 can respectively be used for the third and fourth piercing members 755, 756 to pass through, and in addition, a container groove 757 connecting the long groove 751 is horizontally set in the middle section of the fixing piece 75, and the lower section of the fixing piece 75 is provided with a fifth passing piece. The lower piercing hole 759 that the fastener 758 passes through, the fifth piercing piece 758 can make the fixing piece 75 and the trolley bar 7 threaded and fixed; the upper end of the catch piece 76 is provided with a piercing hole 761 to provide the fourth piercing piece 756 Through the connection, and can pivotally move in the sheet body inside the holder groove 757 of the fixing piece 75, and the lower end of the catch piece 76 is obliquely provided with an active end 762 that can protrude from the lower hole 79 of the cart rod 7, and acts On the other side of the end 762 is provided a push-and-turn portion 763 for the push-piece protrusion 735 of the pull-down plate 73 to act on.

When the skeleton is fully stretched (please refer to Fig. 1 and Fig. 5), the active end 762 of the catch piece 76 at the inner lower end of the cart bar 7 can break through the next character hole 79 of the cart bar 7 and the position of the positioning seat 6. The locking hole 64 is used to achieve the effect of locking when the skeleton is stretched; in addition, when the skeleton is folded (see Figure 7 and Figure 8), the user can apply force to the buckle 71 upward with fingers, and the buckle 71 71 can interlock the pull-up plate 72 and the pull-down plate 73 upwards, and the push piece projection 735 at the lower end of the pull-down plate 73 that shifts upwards can act on the push-rotating part 763 of the catch piece 76, so that the action end 762 of the catch piece 76 Pivot to the inside of the fixing part 75, at this time, the locking relationship between the push rod 7 and the positioning seat 6 is removed, and the user can continue to apply the following thrust to push the push rod 7 downward, and the push rod 7 is downward. The displacement can link the seat bar 3 to pivot upwards centered on the pivot point located at the front end of the cart bar 7, and then the rear wheel bar 2 can be linked to the direction of the front wheel bar 1, and the front wheel bar 1 and the rear wheel bar 2 and the push cart bar 7 are in a nearly parallel state (see also shown in Figure 9), and the folding operation of the skeleton can be completed.

Through the analysis of the above-mentioned components and the assembly, use and implementation, it can be concluded that the utility model has the following advantages:

1. In the improved stroller frame of the present invention, it only needs to push the puller 71 upwards, and then push the stroller rod 7 downwards, so as to achieve the effect of folding the stroller easily and quickly.

2. The improved stroller frame of the present invention, which is pivotally arranged on the action end 762 of the locking member 76 inside the lower end fixing member 75 of the stroller rod 7, can protrude from the stroller when the skeleton of the car body is fully stretched. In the next character hole 79 of the bar 7 and the locking hole 64 of the positioning seat 6, the movement of the cart bar 7 is restricted, so that the stretching of the skeleton is surely locked.

3. The improved stroller frame of the present invention, which is connected to the stretching elastic force of the stretching element 74 between the upper end of the pull-down plate 73 and the solid block 752 of the fixing piece 75, can be automatically released when the upward force of the buckle and pull piece 71 is removed. When the upper pull-up plate 72 and the pull-down plate 73 are reset downward, the active end 762 of the locking part 76 can accurately protrude from the next character hole 79 of the cart bar 7 and the position of the positioning seat 6 when the car body is stretched. In the locking hole 64.

4. The stroller frame improved by the utility model has the structural feature that the stroller rod 7 can easily fold the car body, which has never been disclosed in products of the same category.

5. In the improved stroller frame of the present invention, the assembly procedure of the relevant components inside the stroller rod 7 is simplified, and the function is improved indeed.

Only the above description is only a preferred embodiment of the utility model, and should not limit the scope of the utility model implementation with it. That is, all equal changes and modifications made according to the scope of the technical solution of the utility model should still fall within the scope covered by the technical solution of the utility model.

Claims (1)

1. An improved stroller frame, which is a herringbone-shaped car body composed of front wheel rods, rear wheel rods, seat rods, reclining frames, connecting seats, positioning seats and stroller rods; The front wheel rod is a '/' shaped frame body with the front wheel group combined at the lower end; The rear wheel rod is a '\'-shaped frame body with the rear wheel group combined at the lower end; The seat rod is an arc-shaped rod body whose rear end is pivotally connected to the lower part of the rear wheel rod, and whose front end is pivotally connected to the lower end of the cart rod; The reclining frame is a frame whose lower end is hinged with the middle section of the seat rod. It uses an adjuster to change the tilt angle, and the lower end of the adjuster is hinged with the middle section of the rear wheel rod; The connecting seat is a seat body provided with a front wheel rod sleeve hole, a rear wheel rod housing chamber and a perforation of the cart rod. The top of the rear wheel rod is pivotally connected, and the push rod is perforated so that the push rod can pass through from top to bottom and then move up and down; The positioning seat is a seat body provided with front wheel rod perforation, cart rod perforation and square hole groove. Penetrate from top to bottom and then move up and down, and a locking hole is preset between the lower end of the square hole slot opened from bottom to top and the lower end of the push rod hole; The trolley rod is a push force rod that passes through the connecting seat and the positioning seat from top to bottom, and is covered with a buckle and pull piece that can move up and down on the upper part of the cart rod; it is characterized in that: The inside of the trolley rod is threaded from top to bottom in order with an upper pull plate, a lower pull plate, a tensile element, a fixing piece and a catch piece; Outside the word hole; the upper hole at the top of the upper pull plate is connected through the first through piece of the buckle and pull member, and the lower end of the upper pull plate is provided with a lower hole; the upper hole at the top of the lower pull plate and the lower hole of the upper pull plate Utilize the second piercing member to penetrate and connect, and the middle section and the lower section of the pull-down plate are respectively provided with a racetrack-shaped middle hole and a lower hole, and the lower side of the lower hole is provided with a push piece protrusion of the vertical pull-down plate; its tensile element, It is a telescopic elastic member whose upper end is connected with the second piercing piece; its fixing piece is a columnar member with a long groove in the center from top to bottom for the middle and lower sections of the pull-down plate to be accommodated. A fastener block can be connected to the lower end of the tensile element, and the upper section and the middle section of the fixing piece are provided with an upper through-piece hole and a middle through-piece hole in the direction perpendicular to the inner long groove, and the upper and middle through-piece holes can be used for the third , The four through-pieces pass through, and a container slot connected to the long groove is horizontally set in the middle section of the fixed piece, and the lower section of the fixed piece is provided with a lower through-piece hole for the fifth through-piece to pass through. The fifth through-piece can be Fix the fixing part and the trolley rod sleeve in a fixed position; the catch piece is provided with a through-hole on the upper end to provide the fourth through-piece through the connection, and can pivot and move inside the slot of the fixing part. The lower end of the catch piece is obliquely provided with an active end that can protrude from the next word hole of the cart rod, and the other side of the active end is provided with a push-and-turn part for the action of the protrusion of the push piece of the pull-down plate; The latch can release the clamping relationship between the push bar and the positioning seat to fold the car body.

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