Child seat adjusting back cushion

Abstract

The utility model discloses a child seat adjusting back cushion which comprises a movable base, a supporting rod is fixedly connected to the position, close to the side wall, of the top of the movable base, the supporting rod is obliquely arranged, and a plurality of positioning holes are evenly formed in the side wall of the supporting rod in a penetrating mode. An adjusting frame is slidably connected to the position, close to the bottom, of the outer wall of the supporting rod. According to the child seat, the seat cushion and the back cushion on the child seat are arranged in an adjustable mode, so that the child seat can be adjusted and fixed in a matched mode according to different heights and habits of children, the children can enjoy better comfort in the using process, the stretching mechanism is arranged at the adjusting position of the back cushion, and the child seat is convenient to use. The back cushion can be adjusted again according to different requirements of children after being adjusted, so that the comfort of the children during leaning can be ensured, and the correct posture of the back can be kept during learning.

Description

Technical Field

[0001] The utility model relates to the technical field of child seat application, in particular to an adjustable back cushion for a child seat. Background Art

[0002] Children in the growth stage develop quickly, children's products are updated quickly, and economic consumption is high, which puts a lot of pressure on parents' lives. Child seats are special seats designed for children to provide protection for children.

[0003] At present, in the design of child seats, the seat cushion and the back cushion are generally directly set as a whole, so that the distance between the seat cushion and the back cushion is fixed, which cannot be adapted to the habits and needs of different children, so that the comfort of the children cannot be guaranteed during long-term use, which will further affect the sitting posture of the children. Therefore, the utility model proposes a child seat with an adjustable back cushion. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an adjustable back cushion for a child seat. The seat cushion and the back cushion on the child seat are adjustable so that they can be adjusted and fixed in coordination with each other according to the height and habits of the child, so that the child can enjoy better comfort during use. In addition, an extension mechanism is provided at the adjustment position of the back cushion so that the back cushion can be adjusted again according to the different needs of the child after adjustment. This can not only ensure the comfort of the child when leaning on the back cushion, but also ensure that the correct posture of the back is maintained during learning.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a child seat adjustment cushion, including a movable base, a support rod is fixedly connected to the top of the movable base near the side wall, and the support rod is arranged at an angle, and a plurality of positioning holes are evenly penetrated through the side wall of the support rod, an adjustment frame is slidably connected to the outer wall of the support rod near the bottom position, a seat cushion is connected to the top bolt of the adjustment frame, and a cushion adjustment mechanism is slidably connected to the outer wall of the support rod near the middle position.

[0006] The utility model is further configured as follows: the bottom of the movable base is bolted to movable wheels near the corners, the support rod is hollow, and the top is covered with a protective cap.

[0007] Through the above technical solution, the position of the entire seat can be quickly moved by utilizing the multiple movable wheels at the bottom, and a protective cap is provided on the top end face of the support rod to provide protection and prevent damage caused by collision with the top of the support rod during use.

[0008] The utility model is further configured as follows: a fixing bolt is threadedly connected through the side wall of the adjusting frame, and the fixing bolt passes through the supporting rod through the positioning hole and is threadedly connected thereto.

[0009] Through the above technical solution, the position of the adjustment frame after sliding on the support rod can be locked and fixed by using the fixing bolts, so that the adjustment frame can adjust the height of the seat cushion to meet the needs of different children.

[0010] The utility model is further configured as follows: the cushion adjustment mechanism includes an adjusting sleeve slidably connected to the outer wall of the support rod, an adjusting screw is rotatably connected at the center of the side wall of the adjusting sleeve, an adjusting block is fixedly connected to the end face of the adjusting screw, a threaded sleeve is threadedly connected to the outer wall of the adjusting screw, a fixing frame is fixedly connected to the end face of the threaded sleeve, the fixing frame is H-shaped, and a plurality of damping springs are symmetrically fixedly connected near the two side walls, a plurality of end faces of the damping springs are fixedly connected to cushions, the cushion is arranged in an arc shape as a whole, and a plurality of massage strips are evenly fixedly connected to the inner arc wall, and an auxiliary extension mechanism is symmetrically rotatably connected at the center of the front and rear walls of the adjusting sleeve.

[0011] Through the above technical scheme, the adjusting block is used to drive the adjusting screw to rotate, thereby driving the threaded sleeve with threaded connection to perform threaded transmission, and the fixing frame of the end face can be adjusted laterally, which is convenient for improving the comfort of children when using the child, and the multiple damping springs arranged between the cushion and the fixing frame can increase the toughness of the cushion to the child's back, further improving the comfort during use, and the multiple massage strips arranged on the inner arc wall of the cushion can massage the child's back, improving the comfort of the child's back.

[0012] The utility model is further configured as follows: a threaded limit bolt is passed through the center of the side wall of the adjusting sleeve away from the adjusting screw rod, and the end surface of the limit bolt extends to the inside of the support rod.

[0013] Through the above technical solution, the adjusting sleeve after sliding adjustment can be fixed on the outer wall of the support rod by using the limiting bolt, so that the height of the cushion can be adjusted and fixed.

[0014] The utility model is further configured as follows: the auxiliary extension mechanism includes a fixed cylinder rotatably connected to the middle position of the side wall of the fixed frame, the end surface of the fixed cylinder is penetrated by a sliding rod slidably connected, the outer wall of the sliding rod and the position located inside the fixed cylinder is wrapped with a reinforcing spring, the end surface of the sliding rod is fixedly connected to a stopper, and the end surface of the sliding rod away from the stopper is rotatably connected to the adjusting sleeve.

[0015] Through the above technical solution, when the cushion is adjusted, it drives the fixed tube to slide on the sliding rod, thereby squeezing the internal reinforcement spring, so that the elasticity of the reinforcement spring forms a relative fixation between the adjusted sliding rod and the fixed tube, thereby improving the stability of the adjusted cushion.

[0016] The utility model is further configured as follows: the outer wall of the stopper is slidably connected to the inner wall of the fixing tube, and the end surface of the reinforcing spring is tightly arranged against the opposite wall of the stopper and the fixing tube respectively.

[0017] Through the above technical solution, the internal reinforcement spring can be used to tighten and stabilize the stretched slide bar through the block, so that the entire auxiliary extension mechanism can reinforce and stabilize the position of the adjusted cushion.

[0018] The beneficial effects of the utility model are as follows:

[0019] 1. The utility model provides a child seat adjustment cushion, by making the seat cushion and the back cushion on the child seat adjustable, so that the seat cushion and the back cushion can be adjusted and fixed in coordination with each other according to the height and habits of the child, so that the child can enjoy better comfort during use;

[0020] 2. The utility model proposes a child seat adjustment cushion with an extension mechanism at the adjustment position of the cushion, so that the cushion can be adjusted again according to the different needs of the child after adjustment, which can not only ensure the comfort of the child when leaning on it, but also ensure that the back can maintain the correct posture when studying. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural diagram of an adjustable cushion for a child seat of the utility model;

[0022] Figure 2 This is an exploded view of an adjustable cushion for a child seat of the utility model;

[0023] Figure 3 This is a structural diagram of an extension mechanism in an adjustable back cushion of a child seat of the utility model;

[0024] Figure 4 The utility model is a cross-sectional view of an extension mechanism in an adjustable back cushion of a child seat.

[0025] In the figure:

[0026] 1. Mobile base; 11. Mobile wheel; 12. Support rod; 13. Positioning hole; 14. Protective cap; 2. Adjustment frame; 21. Fixing bolt; 22. Cushion; 3. Cushion adjustment mechanism; 31. Adjustment sleeve; 32. Limiting bolt; 33. Adjustment screw rod; 34. Adjustment block; 35. Threaded sleeve; 36. Fixed frame; 37. Damping spring; 38. Cushion; 39. Massage strip; 4. Auxiliary extension mechanism; 41. Fixed cylinder; 42. Sliding rod; 43. Reinforcement spring; 44. Stop block. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0028] like Figure 1 and Figure 2 As shown, a child seat adjustment cushion comprises a movable base 1, a support rod 12 is fixedly connected to the top of the movable base 1 near the side wall, and the support rod 12 is inclined, and a plurality of positioning holes 13 are evenly penetrated through the side wall of the support rod 12, and a movable wheel 11 is bolted to the bottom of the movable base 1 near the corner, the support rod 12 is hollow, and a protective cap 14 is covered on the top, the multiple movable wheels 11 at the bottom can be used to quickly move the position of the entire seat, and a protective cap 14 is provided on the top end face of the support rod 12 to play a protective effect to prevent the top of the support rod 12 from colliding with damage during use.

[0029] like Figure 2 As shown, the outer wall of the support rod 12 is slidably connected to the adjustment frame 2 near the bottom position, and the side wall of the adjustment frame 2 is threadedly connected with a fixing bolt 21, and the fixing bolt 21 passes through the support rod 12 through the positioning hole 13 and is threadedly connected thereto. The fixing bolt 21 can be used to lock and fix the position of the adjustment frame 2 after sliding on the support rod 12, so that the adjustment frame 2 can adjust the height of the seat cushion 22 to meet the needs of different children. The top bolt of the adjustment frame 2 is connected to the seat cushion 22, which is convenient for children to sit comfortably.

[0030] like Figure 2 and Figure 3As shown, the outer wall of the support rod 12 is slidably connected with a cushion adjustment mechanism 3 near the middle position, and the cushion adjustment mechanism 3 includes an adjusting sleeve 31 slidably connected to the outer wall of the support rod 12, and the adjusting sleeve 31 is threadedly connected with a limiting bolt 32 at the center of the side wall away from the adjusting screw rod 33, and the end face of the limiting bolt 32 extends to the inside of the support rod 12. The adjusting sleeve 31 after sliding adjustment can be limited and fixed on the outer wall of the support rod 12 by the limiting bolt 32, so that the height of the cushion 38 can be adjusted and fixed, and the adjusting screw rod 33 is rotatably connected at the center of the side wall of the adjusting sleeve 31, and the end face of the adjusting screw rod 33 is fixedly connected with an adjusting block 34, and the outer wall of the adjusting screw rod 33 is threadedly connected with a threaded sleeve 35, and the end face of the threaded sleeve 35 is fixedly connected with a fixing frame 36, and the fixing frame 36 is It is H-shaped, and a plurality of damping springs 37 are symmetrically fixedly connected near the two side walls, and a cushion 38 is fixedly connected to the end faces of the plurality of damping springs 37. The cushion 38 is arranged in an arc shape as a whole, and a plurality of massage strips 39 are evenly fixedly connected to the inner arc wall. The adjusting screw 33 is driven to rotate by the adjusting block 34, thereby driving the threaded sleeve 35 connected in threaded transmission, and the fixing frame 36 on the end face is adjusted laterally, so as to improve the comfort of children when using it, and the plurality of damping springs 37 arranged between the cushion 38 and the fixing frame 36 can increase the toughness of the cushion 38 on the child's back, further improving the comfort when using it, and the plurality of massage strips 39 arranged on the inner arc wall of the cushion 38 can massage the child's back, thereby improving the comfort of the child's back.

[0031] like Figure 3 and Figure 4 As shown, the auxiliary extension mechanism 4 is symmetrically rotatably connected at the center of the front and rear walls of the adjusting sliding sleeve 31, and the auxiliary extension mechanism 4 includes a fixed cylinder 41 rotatably connected to the middle position of the side wall of the fixing frame 36, and the end surface of the fixed cylinder 41 is penetrated by a sliding rod 42 for sliding connection, and the outer wall of the sliding rod 42 and the position inside the fixed cylinder 41 are wrapped with a reinforcing spring 43, and the end surface of the sliding rod 42 is fixedly connected to a stopper 44, and the outer wall of the stopper 44 is slidably connected to the inner wall of the fixed cylinder 41, and the end surfaces of the reinforcing spring 43 are respectively tightly set against the stopper 44 and the opposite wall of the fixed cylinder 41, and the inner The reinforcement spring 43 can press and stabilize the stretched sliding rod 42 through the block 44, so that the entire auxiliary extension mechanism 4 can reinforce and stabilize the position of the adjusted cushion 38. The end face of the sliding rod 42 away from the block 44 is rotationally connected to the adjustment sleeve 31. When the cushion 38 is adjusted, it drives the fixed tube 41 to slide on the sliding rod 42, thereby squeezing the internal reinforcement spring 43, so that the elasticity of the reinforcement spring 43 makes the adjusted sliding rod 42 and the fixed tube 41 relatively fixed, thereby improving the stability of the adjusted cushion 38.

[0032] When the utility model is in use, the seat cushion 22 is first slidably adjusted on the support rod 12 through the adjustment frame 2 at the bottom, and the practical fixing bolt 21 is locked on the support rod 12, and then the adjusting sleeve 31 is slid on the support rod 12, and the limiting bolt 32 is used to fix it on the support rod 12, and then the adjusting screw rod 33 is driven to rotate by the adjustment block 34, thereby driving the threaded sleeve 35 connected by thread to perform thread transmission, and the fixing frame 36 on the end face is adjusted laterally, so as to improve the comfort of children when in use, and the multiple damping springs 37 arranged between the back cushion 38 and the fixing frame 36 can increase the toughness of the back cushion 38 to the child's back, further improving the comfort when in use, and the multiple massage strips 39 arranged on the inner arc wall of the back cushion 38 can massage the child's back, improving the comfort of the child's back.

[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A child seat adjustment cushion, comprising a movable base (1), characterized in that: A support rod (12) is fixedly connected to the top of the mobile base (1) near the side wall, and the support rod (12) is arranged in an inclined manner. A plurality of positioning holes (13) are evenly penetrated through the side wall of the support rod (12). An adjustment frame (2) is slidably connected to the outer wall of the support rod (12) near the bottom. A seat cushion (22) is bolted to the top of the adjustment frame (2). A cushion adjustment mechanism (3) is slidably connected to the outer wall of the support rod (12) near the middle. The cushion adjustment mechanism (3) comprises an adjustment sleeve (31) slidably connected to the outer wall of the support rod (12); an adjustment screw (33) is rotatably connected at the center of the side wall of the adjustment sleeve (31); an adjustment block (34) is fixedly connected to the end face of the adjustment screw (33); a threaded sleeve (35) is threadedly connected to the outer wall of the adjustment screw (33); a fixing frame (36) is fixedly connected to the end face of the threaded sleeve (35); the fixing frame (36) is arranged in an H shape and is symmetrically fixedly connected to a plurality of damping springs (37) near the two side walls; the end faces of the plurality of damping springs (37) are fixedly connected to cushions (38); the cushions (38) are arranged in an arc shape as a whole and are evenly fixedly connected to a plurality of massage strips (39) on the inner arc wall; and an auxiliary extension mechanism (4) is symmetrically rotatably connected to the center of the front and rear walls of the adjustment sleeve (31).

2. The child seat adjustment cushion according to claim 1, characterized in that: The bottom of the movable base (1) is bolted to movable wheels (11) near the corners, and the support rod (12) is hollow and has a protective cap (14) on the top.

3. The child seat adjustment cushion according to claim 1, characterized in that: A fixing bolt (21) is threadedly connected through the side wall of the adjustment frame (2), and the fixing bolt (21) passes through the support rod (12) through the positioning hole (13) and is threadedly connected thereto.

4. The child seat adjustment cushion according to claim 1, characterized in that: A limit bolt (32) is threadedly connected through the center of the side wall of the adjusting sleeve (31) away from the adjusting screw rod (33), and the end surface of the limit bolt (32) extends to the inside of the support rod (12).

5. The child seat adjustment cushion according to claim 1, characterized in that: The auxiliary extension mechanism (4) comprises a fixed cylinder (41) rotatably connected to the middle position of the side wall of the fixed frame (36); a sliding rod (42) is slidably connected to the end surface of the fixed cylinder (41); a reinforcing spring (43) is wrapped around the outer wall of the sliding rod (42) and located inside the fixed cylinder (41); a stopper (44) is fixedly connected to the end surface of the sliding rod (42); and the end surface of the sliding rod (42) away from the stopper (44) is rotatably connected to the adjusting sleeve (31).

6. The child seat adjustment cushion according to claim 5, characterized in that: The outer wall of the stopper (44) is slidably connected to the inner wall of the fixed cylinder (41), and the end surface of the reinforcing spring (43) is tightly arranged against the opposite walls of the stopper (44) and the fixed cylinder (41).

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