CN217524443U - Folding chair for children - Google Patents

Abstract

The utility model provides a children's folding chair, including have the chair frame that expandes position and folding position, set up in human bearing structure on the chair frame, the chair frame includes bed frame, support, and its relative bed frame of support can rotate through folding an axle and can set up along axial slip ground, and the bed frame or seted up support expansion draw-in groove on the support, work as the bed frame with both pass through the support expands the draw-in groove and expand the locking promptly when inlaying the cooperation mutually, and work as the bed frame with pass through between the support expand the draw-in groove and break away from mutually, just unblock between the two, conversion between locking and unblock just expands the draw-in groove along the operation of inserting or pulling out of folding an axle through the support of the relative bed frame of support promptly, simple structure, and the preparation is convenient, and manufacturing cost is lower.

Description

Folding chair for children

Technical Field

The utility model belongs to children's furniture field, concretely relates to children's folding chair.

Background

The prior art foldable chair for children generally comprises a chair frame and a human body supporting structure such as a seat, a sleeping basket, a seat bag and the like arranged on the chair frame. In order to facilitate the use of infants indoors and outdoors and the carrying and storage, the chair frame is usually connected by a multi-bar frame to form a folding linkage mechanism, so that the chair frame can be switched between an unfolding position and a folding position.

In order to stabilize the unfolding position, at least one additional set of locking devices specially used for locking the chair frame when the chair frame is in the unfolding position is additionally arranged on the chair frame. The locking device is typically disposed between two components that rotate relative to each other. For example, the lock includes a movable bolt, an unlocking operation member for driving the movable bolt, an elastic member for controlling the stability of the movable bolt, and possibly a traction cable arranged between the unlocking operation member and the movable bolt. When the chair frame in the unfolding position needs to be folded, the unlocking operation piece is operated to unlock the locking device, and then the chair frame can be folded.

The locking device makes the manufacturing process of the folding chair frame relatively complicated and the production cost is relatively high.

The children rocking chair disclosed in patent publication No. CN206062702U comprises a bottom bracket extending along the front-back direction and an upper bracket extending obliquely along the up-down direction, wherein the bottom bracket comprises two bottom support rods respectively positioned at the left side and the right side and pivoted at the rear end, the upper bracket comprises two upper support rods respectively positioned at the left side and the right side and pivoted at the upper ends, the front ends of the bottom support rods are pivoted with the lower ends of the upper support rods on the same side, and the rocking chair frame further comprises a cross support frame which can be transversely supported between the upper brackets or between the bottom brackets in a folding manner. A locking device is arranged between the upper bracket and the bottom bracket, and the cross-bracing frame is independently provided with the locking device.

If like the shown support of patent publication No. CN215190542U and children's dining chair again, including joint, trigger mechanism, lock handle, first table leg and second table leg, first table leg with joint fixed connection, the second table leg with joint rotatable coupling, trigger mechanism with the lock handle linkage, the lock handle can lock first table leg. When the trigger mechanism is triggered, the trigger mechanism drives the lock handle to unlock the first leg, and the first leg can rotate towards/away from the second leg relative to the joint to be switched to the storage state or the unfolding state. The trigger mechanism is the locking device.

The children dining chair framework disclosed in patent publication No. CN212260968U comprises a U-shaped supporting underframe, wherein the front ends of two support rods of the U-shaped supporting underframe are respectively connected with the lower ends of two support rods of an inverted U-shaped arc-shaped frame through rotating joints with locking functions. The rotary joint is the locking device.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a children's folding chair.

In order to solve the technical problem, the utility model provides a children's folding chair, including the chair frame that has expansion position and folding position, set up in human bearing structure on the chair frame, the chair frame includes that bed frame, left and right sides portion can rotate through folding one respectively and can set up along endwise slip ground support on the bed frame, the bed frame with set up the support expansion draw-in groove that supplies another embedding on both of the support, work as the chair frame is in under the expansion position, the bed frame with both of support pass through support expansion draw-in groove looks embedded fit fixes a position, work as under the folding position is opened to chair frame department, the bed frame with another of support between them with support expansion draw-in groove breaks away from mutually, work as the in-process of seat and folding position conversion is being opened to the bed frame, the support is relative the bed frame is along the endwise slip of folding one.

In some embodiments, a base is fixed to each of left and right side portions of one of the base frame and the bracket, the folding shaft and the bracket unfolding groove are respectively disposed on the corresponding base, the bracket unfolding groove is disposed on a base side surface of the base, and an axial line of the folding shaft passes through the base side surface.

In some embodiments, the length direction or the central line direction of the stent unfolding slot is spatially perpendicular to the folding axis.

In some embodiments, the bracket is in a shape of a U-bar, and both ends of the bracket are respectively rotatably and axially slidably disposed at both left and right sides of the base frame by the folding shaft.

In some embodiments, the support is a foldable backrest frame which is in a U-shaped rod shape in an unfolded position, and includes a U-shaped rod and a backrest main rod located at two end portions of the U-shaped rod, one end portion of the backrest main rod is connected with the base frame, the other end portion of the backrest main rod is fixed with a middle seat, the end portion of the U-shaped rod is arranged on the middle seat in a manner of being capable of rotating and sliding along an axial direction through four folding shafts, and an end rod unfolding clamping groove for the U-shaped rod to be embedded into is formed in the middle seat.

In some embodiments, the base frame is a foldable base frame, and includes bases respectively located at left and right side portions, and the support is provided on the bases to be capable of both rotating and sliding in the axial direction by the folding shaft.

In some embodiments, the base frame includes a seat frame having left and right sides respectively fixed to the corresponding base, a front support frame having left and right sides respectively rotatably connected to the base via two folding shafts, and a rear support frame having left and right sides rotatably connected to the base via three folding shafts, wherein the base is provided with an expansion limit front stop portion for preventing the front support frame from rotating forward and upward around the two folding shafts, and the base is further provided with an expansion limit rear stop portion for preventing the rear support frame from rotating backward and upward around the three folding shafts.

In some embodiments, the unfolding limit front stop is located at the front side of the folding two shafts, the folding one shaft is located above the folding three shafts, the folding two shafts are located right in front of a connecting line of the folding one shaft and the folding three shafts, the folding three shafts are located at the front lower part of the unfolding limit rear stop, and in the unfolding position, the seat frame and the rear support frame extend approximately in a straight line shape, the seat frame, the support frame, the base, the rear support frame and the support frame form an X shape, and the seat frame and the rear support frame are respectively longer than the support frame.

In some embodiments, the base is provided with a rear bracket movable groove for inserting the end of the rear bracket and allowing the end of the rear bracket to rotate around the three folding axes, the rear part of the movable groove is provided with the unfolding limit rear stop part, the end of the front bracket is rotatably connected to the inner side surface of the base around the two folding axes, the unfolding limit front stop part is arranged at the front side of the inner side surface of the base, the end of the bracket is rotatably connected to the outer side surface of the base around the one folding axis, and the bracket unfolding clamping groove is arranged on the outer side surface of the base.

In some embodiments, a binding rope is provided between the brace and the back brace to bind the brace and the back brace in the deployed position.

The scope of the present invention is not limited to the technical solutions formed by specific combinations of the above technical features, and other technical solutions formed by arbitrary combinations of the above technical features or equivalent features should be also covered. For example, the above features and the technical features (but not limited to) having similar functions disclosed in this application are replaced with each other to form the technical solution.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model provides a children folding chair, the relative bed frame of its support can rotate through folding one and can set up along endwise slip ground, and the bed frame or seted up the support on the support and expanded the draw-in groove, work as the bed frame with both pass through when the support expands the draw-in groove and inlays the cooperation mutually, expand the locking promptly, and work as the bed frame with pass through between the support expand the draw-in groove and break away from mutually, just unblock between the two, conversion between locking and unblock is just through the support expansion draw-in groove with the relative bed frame of support along folding one insert or pull out the operation, simple structure, and the preparation is convenient, and manufacturing cost is lower.

Drawings

FIG. 1 is a first schematic perspective view of a chair frame in an open position;

FIG. 2 is a second schematic perspective view of the chair frame in the open position;

FIG. 3 is a perspective view of the chair frame at the folded position;

FIG. 4 is a top view of the chair frame in the extended position;

FIG. 5 is a top view of the U-shaped bar disengaging from the end bar unfolding slot under the unfolded position of the chair frame;

FIG. 6 is a side view of the chair frame in the extended position;

FIG. 7 is a side view of the first chair frame being moved from the extended position to the folded position;

FIG. 8 is a side view of the second embodiment of the chair frame from the unfolded position to the folded position;

FIG. 9 is a third side view of the chair frame from the extended position to the folded position;

FIG. 10 is a side view of the chair frame in a fourth configuration from the extended position to the folded position;

FIG. 11 is a side view of the chair frame in an open, folded position;

wherein 1, a base frame; 11. a base; 11a, the outer side surface of the base; 11b, the inner side surface of the base; 111. a bracket unfolding clamping groove; 112. a deployment limit front stop; 113. a movable groove of the rear support frame; 12. a seat frame; 13. a front bracket; 14. a rear support frame; 2. a support; 21. a U-shaped rod; 22. a backrest main rod; 23. a middle seat; 231. the end rod is unfolded with a clamping groove; 3. binding a belt; x1, folding one shaft; x2, folding biaxial; x3, folding three shafts; x4, folding four-axis.

Detailed Description

A folding chair for children comprises a chair frame with an unfolding position and a folding position, and a human body supporting structure arranged on the chair frame. The chair frame is usually arranged by rotating a plurality of rod frames, such as the chair frames disclosed in the background art, and the unfolding or folding of the chair frame is realized by rotating the rod frames, so that the chair frame has an unfolding position and a folding position.

In this embodiment, as shown in fig. 1 and fig. 6, the chair frame includes a base frame 1, and a support 2 disposed on the base frame 1 such that left and right side portions thereof can rotate and slide along an axial direction through a folding axis X1, respectively.

As shown in the drawings, a bracket unfolding clamping groove 111 for laterally embedding a rod body of the bracket 2 is formed in the base frame 1, when the chair frame is in the unfolded position, the base frame 1 and the bracket 2 are positioned in an embedding and matching manner through the bracket unfolding clamping groove 111, when the chair frame is in the folded position, the rod body of the bracket 2 is separated from the bracket unfolding clamping groove 111, and when the chair frame is in a dynamic process of switching the unfolded position and the folded position, the bracket 2 inevitably slides axially along the folding axis X1 relative to the base frame 1. Namely, the rod body of the bracket 2 can rotate and fold around a folding axis X1 after exiting from the bracket unfolding clamping groove 111.

In detail, the base 11 may be a fixed whole or a foldable structure. In either case, the bases 11 are fixed to the left and right sides of the base frame 1. In this embodiment, the folding axis X1 and the stent expansion slot 111 are respectively disposed on the corresponding base 11, the stent expansion slot 111 is disposed on the base side surface of the base 11, and the axis of the folding axis X1 passes through the base side surface. The length direction or the central line direction of the stent expansion slot 111 is spatially perpendicular to the folding axis X1, and preferably, the length direction or the central line direction of the stent expansion slot 111 is consistent with the radial direction of a circle where the axis of the folding axis X1 is located.

The bracket 2 is a foldable backrest frame which is in a U-shaped rod shape in the unfolded position, so that the size is larger in the unfolded position, and the size is smaller in the folded position. As shown in fig. 1 to 7, the base frame comprises a U-shaped rod 21 and a backrest main rod 22 located at two ends of the U-shaped rod 21, wherein one end of the backrest main rod 22 is connected to the base 11 of the base frame 1. In detail, a folding shaft X1 is provided at one end of the backrest main rod 22, the folding shaft X1 is disposed on the base 11 so as to be capable of rotating and sliding along the axial direction, and an anti-disengaging hook or an end pin or the like may be disposed at the end of the folding shaft X1, so that the folding shaft X1 cannot be disengaged from the shaft hole of the base 11. Another tip of back mobile jib 22 is fixed with middle seat 23, the tip of U type pole 21 passes through folding four-axis X4 can rotate and can follow endwise slip ground and set up on the middle seat 23, be provided with the confession on the middle seat 23 the end bar that the body of rod side direction of the U type pole was embedded into expandes draw-in groove 231, and the function that this end bar expandes draw-in groove 231 is the same with the function that the support expandes draw-in groove 111. In this embodiment, the folding axis X1 and the folding axis X4 are respectively formed by bending an end of the backrest main rod 22 and an end of the U-shaped rod 21.

In this embodiment, the base frame 1 is a foldable base frame 1. As shown in the drawings, the base frame 1 includes a seat frame 12 having left and right sides respectively fixed on the corresponding base 11, a front support frame 13 having left and right sides respectively rotatably connected to the base 11 through a two-axis folding X2, and a rear support frame 14 having left and right sides respectively rotatably connected to the base 11 through a three-axis folding X3. As shown in fig. 1, the base 11 is provided with a deployment limit front stop 112 for preventing the front support frame 13 from rotating around the folding two-axis X2 in the direction of the front upper seat frame 12, and the base 11 is further provided with a deployment limit rear stop for preventing the rear support frame 14 from rotating around the folding three-axis X3 in the direction of the rear upper direction. I.e., the deployed position, front brace 13 abuts against the deployment limit front stop 112, the back bracket 14 rests against the deployment limit backstop. The front side that keeps off portion 112 before the expansion limit is located folding two axle X2, folding one axle X1 is located folding triaxial X3's top, and folding two axle X2 is located folding one axle X1, the dead ahead of folding triaxial X3 line, and folding triaxial X3 is located the front lower place that keeps off the portion behind the expansion limit, expandes under the position, seat frame 12 with back strut 14 approximately is a word and extends, and seat frame 12, strut 13, base 11, back strut 14 constitute X-shaped with support 2, and seat frame 12 stretches out and is good at strut 13 to the preceding top, and base 11, front strut 13 just are the chevron shape with back strut 14, constitute triangle-shaped with ground, stable expansion, simple structure.

In this embodiment, the seat frame 12, the front support frame 13 and the rear support frame 14 are respectively a U-shaped rod frame, two end portions of the seat frame 12, the front support frame 13 and the rear support frame 14 are respectively connected to the corresponding base 11, the human body supporting structure is preferably a seat cloth bag, and the seat cloth bag is disposed between the seat frame 12 and the support 2. The support 2 is folded towards the seat frame 12 at the front lower part, and the seat cloth bag is folded.

As shown in fig. 2, the base 11 is provided with a rear bracket moving slot 113 for inserting the end of the rear bracket 14 and allowing the rear bracket to rotate around the folding three-axis X3, the expansion limit rear stop portion is located at the rear portion of the moving slot, the end of the front bracket 13 is connected to the base inner side surface 11b of the base 11 around the folding two-axis X2 in a rotating manner, the expansion limit front stop portion 112 is disposed at the front side of the base inner side surface 11b of the base 11, the end of the bracket 2 is connected to the base outer side surface 11a of the base 11 around the folding one-axis X1 in a rotating manner, and the bracket expansion slot 111 is disposed on the base outer side surface 11a of the base 11.

When the folding chair is folded, as shown in the attached drawings 5 and 7-11, the folding four shafts X4 on the two end parts of the U-shaped rod 21 are simultaneously pulled out, the backrest main rod 22 is rotated forwards to be close to the backrest main rod 22, the bracket 2 serving as the backrest frame is folded, the folding shafts X1 on the end parts of the backrest main rods 22 on the two sides are simultaneously pulled out, the folding shafts X are rotated forwards to be close to the seat frame 12 of the base frame 1, then the rear support frame 14 is respectively folded towards the seat frame 12 forwards, the front support frame 13 is folded towards the seat frame 12 backwards, and the chair frame is folded.

When the chair is unfolded, the rear support frame 14 is rotated backwards to the limit, the front support frame 13 is rotated backwards to the limit again, the backrest main rod 22 is rotated backwards to the corresponding position, the rod body is laterally inserted into the bracket unfolding clamping groove 111, the U-shaped rod 21 is rotated backwards and upwards to the position, the rod body is laterally inserted into the end rod unfolding clamping groove 231, and the chair frame is unfolded.

A binding rope 3 can be arranged between the bracket 2 and the back support frame 14, and can bind the bracket 2 and the back support frame at the unfolding position to prevent the back support frame 14 from turning forwards when the chair frame is moved at the unfolding position.

Considering certain gravity requirements, in order to maintain stability, a lock rod can be rotatably arranged on the base 11, and the lock rod is similar to a music buckle cover, crosses the bracket unfolding clamping groove 111 and the backrest main rod 22 and hooks the base 11 to prevent the two from being separated, so that the use is safer.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims (10)

1. The utility model provides a children's folding chair, including have the chair frame that expandes position and folding position, set up in human bearing structure on the chair frame, its characterized in that: the chair frame comprises a base frame (1) and a support (2) which is arranged on the base frame (1) in a manner that the left side part and the right side part of the chair frame can rotate and can slide along the axial direction through a folding shaft (X1), one of the base frame (1) and the support (2) is provided with a support unfolding clamping groove (111) for the other to be embedded, when the chair frame is in an unfolding position, the base frame (1) and the support (2) are embedded and matched for positioning through the support unfolding clamping groove (111), when the chair frame is in the folding position, the other of the base frame (1) and the support (2) is separated from the support unfolding clamping groove (111), and when the chair frame is converted from the unfolding position to the folding position, the support (2) slides along the axial direction of the folding shaft (X1) relative to the base frame (1).

2. The child deckchair of claim 1, wherein: the base frame is characterized in that bases (11) are respectively fixed to the left side portion and the right side portion of one of the base frame (1) and the support (2), a folding shaft (X1) and a support unfolding clamping groove (111) are respectively formed in the corresponding bases (11), the support unfolding clamping groove (111) is formed in the side face of the base (11), and the axial lead of the folding shaft (X1) penetrates through the side face of the base.

3. The child deckchair of claim 1, wherein: the length direction or the central line direction of the bracket unfolding clamping groove (111) is spatially vertical to the folding axis (X1).

4. The child deckchair of claim 1, wherein: the support (2) is in a U-shaped rod shape, and two end parts of the support (2) can be arranged on the left side part and the right side part of the base frame (1) in a rotating and axially sliding mode through the folding shaft (X1).

5. The child's folding chair of claim 1, wherein: support (2) are the shaft-like back frame of can folding of U type for expanding under the position, include U type pole (21), be located the back mobile jib (22) at U type pole (21) both ends, a tip of back mobile jib (22) respectively with bed frame (1) is connected, another tip of back mobile jib (22) is fixed with middle seat (23), the tip of U type pole (21) can rotate through folding four-axis (X4) and can follow axial slip ground and set up on middle seat (23), be provided with the confession on middle seat (23) the end pole of U type pole (21) embedding expandes draw-in groove (231).

6. The children's folding chair according to any one of claims 1 to 5, wherein: the base frame (1) is a foldable base frame (1) and comprises bases (11) respectively located at the left side portion and the right side portion, and the support (2) can rotate and can be arranged on the bases (11) in an axially sliding mode through the folding shaft (X1).

7. The child deckchair of claim 6, wherein: pedestal (1) include that left and right sides portion fixes respectively corresponding seat frame (12), left and right sides portion on base (11) rotate respectively through folding two axle (X2) and connect and be connected preceding strut (13), left and right sides portion on base (11) rotate respectively through folding triaxial (X3) and connect back strut (14) on base (11), be provided with the prevention on base (11) preceding strut (13) wind keep off portion (112) before folding biaxial (X2) upper front side pivoted expansion limit, still set up the prevention on base (11) back strut (14) wind keep off portion after folding triaxial (X3) upper rear side pivoted expansion limit.

8. The child deckchair of claim 7, wherein: expand limit front fender portion (112) and be located the front side of folding biax (X2), folding one axle (X1) is located the top of folding triaxial (X3), folding biax (X2) is located folding one axle (X1) the dead ahead of folding triaxial (X3) line, folding triaxial (X3) is located the preceding below of expanding limit rear fender portion, expands under the position, seat frame (12) with back strut (14) approximately is a word and extends, seat frame (12) strut (13) base (11) back strut (14) with support (2) constitute the X-shaped, seat frame (12) with back strut (14) are longer than respectively strut (13).

9. The child deckchair of claim 8, wherein: offer the confession on base (11) back strut (14) tip is inserted and is allowed it to wind folding triaxial (X3) front and back pivoted back strut movable slot (113), the rear portion of movable slot has expand limit backstop portion, the tip of preceding strut (13) is wound folding two axle (X2) rotate connect in on the base medial surface (11 b) of base (11), expand limit backstop portion (112) set up in the front side of base (11) base medial surface (11 b), the tip of support (2) is wound folding one axle (X1) rotate connect in on the base lateral surface (11 a) of base (11), support expansion draw-in groove (111) set up in on the base lateral surface (11 a) of base (11).

10. The child deckchair of claim 7, wherein: a binding rope (3) for binding the bracket (2) and the back support frame (14) at the unfolding position is arranged between the bracket and the back support frame.

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