Baby dining chair frame

Baby chair skeleton

This creation is about a skeleton of a baby chair, especially when the back bracket is screwed up, the armrest can be automatically lifted, the front and rear legs can be automatically opened, and when the back bracket is pivoted downward, The front and rear tripods are linked to each other.

The baby chair is also called high chair. When folding, it is often necessary to bend or lower to open the front and rear legs by hand, and then get up and adjust the bracket of the plate. But this is obviously not convenient. It is best to use the person to complete the erection of the high chair without bending or lowering.

In view of the above, the creator provides a skeleton of the baby chair, and a first pivoting portion, a second pivoting portion and a third pivoting portion are disposed at the upper end of the front leg, wherein the first pivoting portion and the back bracket The first pivoting portion is pivotally connected to the rear leg frame, the third pivoting portion is pivotally connected to the first connecting rod, and the seat bracket is pivotally connected between the back bracket and the first connecting rod, and the first connecting rod and the armrest frame are It is slidably and pivotally connected through a pivoting sleeve. A tray is connected to the first connecting rod, and the seat bracket is driven by the back bracket to pivot upwardly, so that the seat bracket links the first link, and then the pivoting sliding sleeve connected by the upper end of the first connecting rod is switched. In the form of the armrest frame being lifted forward when the baby chair is opened, and the front and rear legs are linked by the second and third links when the back bracket pivots downward, so that the front and rear legs are automatically close to each other. Discounted.

<p>1Baby chair chair skeleton</p><p>2Front stand</p><p>3Back tripod</p><p>4Back bracket</p><p>5 bracket</p><p>6Handrail</p><p>7 pivoting sleeve</p><p>9Locking mechanism</p><p>21First pivotal</p><p>22Second pivotal</p><p>23 Third pivotal</p><p>41 pivot ear</p><p>80first link</p><p>81Second connecting rod</p><p>82 Third Link</p><p>83Slide</p><p>84 First pivot</p><p>85 plates</p><p>91 card slot</p><p>92fasteners</p><p>93 hook</p>

Fig. 1 is a perspective view showing an embodiment of a skeleton of a baby dining chair of the present invention.

Fig. 2 is a schematic exploded view of the components of the skeleton of the baby dining chair of the present invention.

Figure 3 is a side elevational view of the embodiment of the baby dining chair skeleton of the present invention.

Fig. 4 is a schematic view showing the action of the folding operation process of the embodiment of the baby dining chair skeleton of the utility model.

Fig. 5 is a schematic view showing the next operation of the folding operation of the embodiment of the baby dining chair skeleton of the present invention.

Fig. 6 is a schematic view showing the state after the embodiment of the skeleton of the baby dining chair of the present invention is completed.

The embodiment of the foldable baby chair skeleton 1 as shown in FIG. 1 includes a front leg frame 2, a rear leg frame 3, a back bracket 4, a bracket 5, a handrail frame 6 and a first link. 80, the second link 81 and the third link 82 are pivotally connected to each other, and the baby chair frame 1 can be held in the deployed state by a locking mechanism 9. When the baby chair skeleton 1 is unfolded, the first link 80 is interlocked by the back bracket 4, and the form of the movement is switched via a pivotal sliding sleeve 7, so that the armrest frame 6 can be automatically lifted; The connecting rod 80 drives the second and third links 81 and 82 to pivotally overlap the front leg frame 2, the rear leg frame 3, the back bracket 4, the seat bracket 5, and the armrest frame 6 to achieve the minimum volume folding effect. .

The embodiment of the front stand 2 shown in FIG. 2 to FIG. 3 can be integrally formed by metal pipe welding or bending machine, and the lower end is in contact with the ground, and the upper end is provided with a first pivoting portion 21 and a second pivoting connection. The second pivoting portion 22 is pivotally connected to the back bracket 3, the second pivoting portion 22 is pivotally connected to the rear leg frame 3, and the third pivoting portion 23 and the first link 80 are pivoted. The lower end is pivotally connected. Which number The pivoting portion 21 and the second pivoting portion 22 may be pivots or pivoting seats that are different in direction of extension, and are fixed to the upper end of the front legrest 2 by a screw, rivet connection or welding method, and the position of the third pivoting portion 23 Slightly lower than the first pivoting portion 21 and the second pivoting portion 22, which may be a pivot or a pivot hole fixed to the front leg 2 for pivoting the end of the first link 80, and one end of the second link 81 The other end is pivotally connected to the sliding seat 83 which is slidable on the front leg 2. The third end of the third connecting rod 82 is pivotally connected to the upper side of the first connecting rod 80 and the third pivoting portion 23, and One end is pivotally connected to the second link 81 and the slider 83.

The rear leg frame 3 can also be integrally formed by metal pipe welding or elbow machining, the lower end of which is in contact with the ground, and the upper end is pivotally connected to the second pivoting portion 22 of the front leg frame 2 by pins, rivets or other pivoting elements.

The lower end of the back bracket 4 is pivotally connected to the first pivoting portion 21 of the front leg frame 2, and a pivoting arm 41 is respectively disposed at a middle portion of the two sides to be pivotally connected to the rear ends of the two armrest frames 6.

As shown in the third to fifth figures, the two pivoting sleeves 7 are slidably sleeved on the two armrests 6, respectively, and are respectively pivotally connected to the upper ends of the first link 80, and the baby chair chair skeleton When the first opening is opened, the back bracket 4 is pivoted upward to pivot, and the two pivoting sleeves 7 are driven by the first link 80 to slide the two pivoting sleeves 7 to the front ends of the two armrests 6. When the baby chair frame 1 is folded, the back bracket 4 is pressed forward and downward, and the first link 80 is driven to rotate the two pivot sleeves 7 to the rear ends of the two arm frames 6 at the same time. The two armrests 6 are thus automatically pivoted to the front stand 2; and since the third link 82 is pivotally connected between the first link 80 and the carriage 83, when the first link 80 is pivoted, The third link 82 is driven to slide the slide 83 downwardly on the front leg tube 2, and since the second link 81 and the third link 82 are pivotally connected to the slide 83, the rear stand 3 can be pulled by the second link 81. The front stand 2 is folded closer.

The upper end of the first connecting rod 80 is pivotally connected to the two pivoting sliding sleeves 7. The lower end is provided with a first pivoting portion 84 for pivoting to the third pivoting portion 23 at the upper end of the front legrest 2, so that the first connecting rod 80 can be opposite to the first connecting rod 80. Forefoot 2 Pivoting up and down, and when the baby chair skeleton 1 is unfolded, the two pivoting sleeves 7 are driven to slide to the front ends of the two armrests 6, so that the armrests 6 of the baby dining chair are automatically extended forward. When the first link 80 pivots, the third link 82 pivoted thereto pulls the slide 83 upward, and then the second link 81 pushes the rear stand 3 to expand relative to the front stand 2. A tray 85 can be connected above the first link 80 so that the two pivoting sleeves 7 can reciprocate along the armrest frame 6 during the opening and folding of the baby chair frame 1 .

The seat bracket 5 can support a seat or wear a soft seat cloth to form a seat, the front end of which is pivotally connected to the first connecting rod 80, and the rear end is pivotally connected with the back bracket 4; When the back bracket 4 is pulled and pivoted upward, the seat bracket 5 is pivoted upward to finally stay in a position close to horizontal or horizontal. Since the seat bracket 5 is pivotally connected to the first link 80, the first link 80 will be driven during pivoting with the back bracket 4, causing the first link 80 to move away from the forearm 2 and pivot upward, the first connection The upper end of the rod 80 is lifted up by the pivoting sleeve 7 to lift the armrest frame 6. The lower side interlocks the third link 82 to pull the sliding block 83 upward to interlock the second link 81 to deploy the rear leg 3. When the baby chair frame 1 is folded, the back bracket 4 is pushed forward and rotated downward, so that the seat bracket 5 gradually coincides with the first link 80 and the forefoot 2.

As shown in Fig. 2, the locking mechanism 9 can be a generally known locking mechanism that is disposed between any relatively rotatable or slidable member of the baby dining chair frame 1 to releasably engage the baby chair skeleton. 1 remains in the expanded state of use. As shown in FIG. 4, the locking mechanism 9 is disposed between the front leg frame 2 and the back bracket 4, and a card slot 91 is disposed on the end of the front leg frame 2 or the pivoting seat thereof. The lower end portion is pivotally provided with a slidable fastener 92; the spring 92 enables the fastener 92 to automatically engage the latching groove 91 of the front leg frame 2 to achieve the function of automatically locking and locking the back bracket 4 to prevent the front bracket 4 from pivoting forward. The member 92 can be remotely driven by a linkage (not shown) by a hook 93 of the back bracket 4 The fastener 92 moves away from the card slot 91, so that the rods of the baby chair frame 1 are pivotally folded. The first link 80 of the embodiment is connected to a tray 85, and the pivot sleeve 7 is reciprocated along the armrest frame 6 during the opening and closing of the skeleton of the baby dining chair.

The locking mechanism 9 of the present invention can also be installed between the armrest frame 6 and the pivoting sliding sleeve 7 (not shown), for example, using an elastic locking mechanism generally used for the structure of the baby carriage and a remote release mechanism. The pivoting sleeve 7 is releasably locked to the front end of the armrest frame 6 so as not to slide, so that the baby dining chair frame 1 is held in an unfolded use state. Since the structure of the locking mechanism 9 is numerous and numerous, it is not the creative focus of the present invention. For those skilled in the art, many commercially available components or the like can be directly referred to or applied, so This is not to be further exemplified or to be repeated.

It can be seen from the operations of FIG. 3 to FIG. 5 that the present invention can indeed drive the seat bracket 5 when the back bracket 4 is pivoted upward, so that the seat bracket 5 interlocks the first link 80 and then the upper end of the first link 80. The connected pivoting sleeve 7 is in the form of a switching motion, so that the armrest frame 6 automatically lifts forward when lifting the back bracket 4; and when the back bracket 4 of the baby dining chair frame 1 of the present invention is pivoted downward, The front and rear legs 2, 3 can also be linked via the second and third links 81, 82, so that the front and rear legs 2, 3 automatically close together to complete the folding state shown in Fig. 6, so that the user does not need to The purpose of erection and folding of the high chair can be achieved by bending or lowering.