CN221044627U

CN221044627U - Lifting safety seat for children

Info

Publication number: CN221044627U
Application number: CN202322130650.5U
Authority: CN
Inventors: 李伟元
Original assignee: Anji Ka Bei Long Furniture Co ltd
Current assignee: Anji Ka Bei Long Furniture Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-05-31
Anticipated expiration: 2033-08-09

Abstract

The utility model discloses a child lifting safety seat, which comprises a seat shell, a lifting supporting device, a seat back and a storage baffle plate; the lifting supporting device is arranged in the inner cavity of the seat shell; the chair back and the storage baffle are arranged on the surface of the shell of the chair seat; the height of the seat can be adjusted according to the height and age of the child through the installation and adjustment of the lifting supporting device so as to provide better sitting posture support and safety; the design of the chair back and the storage baffle also increases the comfort and the practicability of the chair; meanwhile, the lifting support device is arranged in the inner cavity of the seat shell, so that the problem that the child mistakenly touches the lifting support device to cause injury when the seat is lifted is avoided.

Description

Lifting safety seat for children

Technical Field

The utility model relates to the field of furniture design, in particular to a child lifting safety seat.

Background

Child seat is house, teaching furniture commonly used, and traditional child seat is fixed height, can not adapt to the demand of different stage child heights, and use the comfort level relatively poor, has appeared highly adjustable child seat afterwards, effectively adapts to the demand of different heights, improves and uses the comfort level. At present, a plurality of fixed holes are formed in the support legs along the vertical direction in the lifting mechanism commonly used for the seat, the seat table top is fixed in the fixed holes with different heights through bolts so as to realize height adjustment, but the structure is difficult and complicated to adjust, the assembly and disassembly can be realized by means of tools, otherwise, the stability of connection cannot be guaranteed, and the situation that the seat shakes and breaks up easily occurs.

In the 'a child lifting seat' disclosed in publication number CN213188906U, a child lifting seat comprises a backrest, a seat stool, a lifting support component and a sliding foot plate used for sliding, wherein the lifting support component comprises a support column and a support pull rod, one end of the support column is vertically and fixedly arranged on the sliding foot plate, the seat stool is vertically and slidingly arranged on the support column, the seat stool is connected with a first fixing component for fixing the lifting position of the seat stool, one end of the support pull rod is fixedly connected with the upper end of the support column, one side wall of the backrest is fixedly connected with a connecting rod, one end of the connecting rod is slidingly arranged with the support pull rod, the connecting rod is connected with a second fixing piece for fixing the sliding position of the connecting rod, the support pull rod is obliquely upwards arranged from one end close to the seat stool and extends towards the direction far away from the central axis of the seat stool, and the setting of the seat stool can be convenient for changing the relative position between the backrest and the seat stool; however, the lifting support component is exposed outside, so that accidents are easy to happen when children use the lifting support component, and hands and feet are clamped in the lifting support component.

Disclosure of Invention

In order to overcome the defects in the prior art, the safe and stable lifting-adjustable child lifting safety seat is provided.

The technical scheme of the utility model is as follows: a child lifting safety seat comprises a seat shell, a lifting supporting device, a seat back and a storage baffle; the lifting supporting device is arranged in the inner cavity of the seat shell, and the chair back and the storage baffle are arranged on the surface of the seat shell.

Preferably, the lifting support device comprises a support connecting piece, a driving gear assembly, a driven gear assembly, a support sleeve and a support base.

Preferably, the driving gear assembly comprises a driving sector gear, a guide post, a connecting rod and a knob; one end of the driving sector gear is connected with the guide post, and the other end is connected with the knob through the connecting rod.

Preferably, the driven gear assembly comprises a driven sector gear, a bearing and a screw, wherein the driven sector gear is connected with the upper end of the screw through the bearing.

Preferably, the driving gear assembly and the driven gear assembly are in meshed connection through a driving sector gear and a driven sector gear; the diameter of the driving sector gear is smaller than the diameter of the driven sector gear.

Preferably, a limiting element is arranged at the lower end of the screw.

Preferably, an internal thread sleeve is arranged outside the screw, and external threads arranged on the screw are matched with the internal thread sleeve.

Preferably, a supporting sleeve is arranged outside the internally threaded sleeve, and the supporting sleeve is connected with the supporting base.

Preferably, the chair back and the storage baffle are connected through bolts, and decorating parts are arranged at the bolt connection positions.

Preferably, the seat shell is provided with a mounting hole through which the connecting rod passes, and the connecting rod passes through the mounting hole to be connected with the knob.

Compared with the prior art, the utility model has the following beneficial effects:

The design of the chair back and the storage baffle in the child lifting safety chair increases the comfort and the practicability of the chair; meanwhile, the lifting support device is arranged in the inner cavity of the seat shell, so that the problem that the child mistakenly touches the lifting support device to cause injury when the seat is lifted is avoided.

Furthermore, the child lifting safety seat can be installed and adjusted through the lifting supporting device, and the height of the seat can be adjusted according to the height and the age of the child so as to provide better sitting posture support; the supporting base ensures the stability and safety of the whole seat; the lifting supporting device is fixed in the inner cavity of the seat shell by the supporting connecting piece, so that the whole lifting supporting device is more stable and safer.

Further, the driving sector gear is driven to rotate by rotating the knob, so that the driven gear assembly moves up and down; when the driving gear component rotates, the driving sector gear and the driven sector gear are meshed with each other to drive the screw rod to rotate, so that the lifting function of the child seat is realized, the lifting operation is convenient and quick, stepless adjustment is realized, the effect is good, and the safety and the reliability are realized.

Further, the bearing is used for supporting the driven sector gear and ensuring that the driven sector gear can smoothly rotate, so that the child lifting safety seat is more stable in lifting.

Furthermore, the driving sector gear and the driven sector gear are sector gears, so that the meshing performance of the sector gears is good, and the contact ratio is high; the meshing performance is good, so that the force loaded on the gear is gradually increased from large to small, and the lifting support device is more stable and safer when lifting; the increase of the contact ratio improves the bearing capacity of the gear and prolongs the service life of the gear; the diameter of the driving sector gear is smaller than that of the driven sector gear, the effect that the rotation speed of the driven gear assembly is slower than that of the driving gear assembly can be achieved, and the knob is more stable and safe when the seat height is adjusted.

Furthermore, the limiting element is arranged at the lower end of the screw rod to limit the lifting range of the seat, so that the seat is stopped at a proper height, and the child lifting safety seat is safer.

Further, an internal thread sleeve is arranged outside the screw rod, and external threads matched with the internal thread sleeve are arranged on the screw rod. The design can realize the connection of the screw rod and the internally threaded sleeve and provide a stable fixing effect.

Further, the support sleeve is arranged outside the internally threaded sleeve, and the support sleeve is connected with the support base. This design provides additional support and stability to ensure that the internally threaded sleeve remains in a fixed position during use, thereby improving the safety of the child lift safety seat.

Furthermore, the chair back and the storage baffle are connected through bolts, so that the firmness and stability of installation and connection are ensured; and the decorative pieces are arranged at the joints of the bolts to cover the bolts, so that the overall ornamental value and safety of the child lifting safety seat are improved.

Further, the knob is installed in seat support shell one side through the connecting rod, has provided convenient regulatory function, makes the travelling comfort and the use experience that the user can adjust the seat support according to individual demand.

Other features and advantages of the present utility model will be disclosed in the following detailed description of the utility model and the accompanying drawings.

Drawings

The utility model is further described with reference to the accompanying drawings:

FIG. 1 is a side view of a child lift safety seat of the present utility model;

FIG. 2 is a schematic view illustrating the installation of a lifting support device according to the present utility model;

FIG. 3 is a schematic view of the installation of the knob and bolt of the present utility model;

FIG. 4 is a schematic view of a support connector of the present utility model;

FIG. 5 is a schematic view of a lifting support device according to the present utility model;

FIG. 6 is a schematic diagram of a driving gear assembly according to the present utility model

FIG. 7 is a schematic view of a driving sector gear of the present utility model

FIG. 8 is a schematic structural view of a driven gear assembly according to the present utility model

FIG. 9 is a schematic view of a driven sector gear of the present utility model

FIG. 10 is a schematic view of the installation of the spacing element and internally threaded sleeve of the present utility model

FIG. 11 is a schematic view showing the installation of the support sleeve of the present utility model

The reference numerals are explained as follows:

1. The chair comprises a chair seat shell, 1-1 parts, mounting holes, 2 parts, lifting supporting devices, 2-1 parts, supporting connecting pieces, 2-2 parts, a driving gear assembly, 2-3 parts, a driven gear assembly, 2-4 parts, supporting sleeves, 2-5 parts, a supporting base, 2-2-1 parts, a driving sector gear, 2-2-2 parts, a guide post, 2-2-3 parts, connecting rods, 2-2-4 parts, a knob, 2-3-1 parts, a driven sector gear, 2-3-2 parts, a bearing, 2-3-3 parts, a screw rod, 2-3-3-1 parts, a limiting element, 2-3-3-2 parts, an internally threaded sleeve, 2-3-3 parts, external threads, 3 parts, a chair back, 4 parts, a storage baffle plate, 5 parts and bolts.

Detailed Description

The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.

In the following description, directional or positional relationships such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are presented for convenience in describing the embodiments and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

As shown in fig. 1 and 2, a child lifting safety seat is composed of a seat shell 1, a lifting supporting device 2, a seat back 3 and a storage baffle 4; the streamlined design of the seat shell 1 can provide a smooth appearance and provide good sitting and support for the child; the streamlined design of the chair back 3 conforms to the curve shape of human engineering and provides comfortable back support and protection; the storage baffle 4 is arranged on the seat shell 1 and forms an open storage space with the chair back 3, thereby providing an article storage space for children.

As shown in fig. 3, the chair back 3 and the storage baffle 4 are connected through a bolt 5, and a decoration 5-1 is arranged at the joint of the bolt 5; the bolts 5 are hidden, so that the appearance and texture of the whole product are improved.

The lifting supporting device 2 is installed in the inner cavity of the seat shell 1 through the supporting connecting piece 2-1, and the top shape of the supporting connecting piece 2-1 is attached to the inner cavity shape of the seat shell 1 in combination with the illustration of fig. 4, so that the tight connection between the supporting connecting piece 2-1 and the seat shell 1 is ensured, and the stability and the safety of the seat are enhanced.

As shown in fig. 5, the lifting support device 2 consists of a support connecting piece 2-1, a driving gear assembly 2-2, a driven gear assembly 2-3, a support sleeve 2-4 and a support base 2-5; the supporting connecting piece 2-1 is arranged outside the driving gear assembly 2-2 and the driven gear assembly 2-3, plays a role in protecting and supporting, protects the driving sector gear 2-2-1 and the driven sector gear 2-3-1 in the lifting supporting device 2, effectively prolongs the service lives of the driving sector gear 2-2-1 and the driven sector gear 2-3-1, and ensures the normal operation of the lifting supporting device 2 and the stability and safety of the child lifting safety seat.

As shown in fig. 6, the driving gear assembly 2-2 includes a driving sector gear 2-2-1, a guide post 2-2, a connecting rod 2-2-3, and a knob 2-2-4; one end of the driving sector gear 2-2-1 is connected with the guide post 2-2-2, and the other end is connected with the knob 2-2-4 through the connecting rod 2-2-3; referring to fig. 7, the driving sector gear 2-2-1 is a sector gear, and the sector gear has the characteristics of good meshing performance, large gear overlap ratio and compact structure; the bearing capacity of the gear is improved, and when the gear rotates, the force on the tooth surface is gradually changed from small to large and then from large to small; the whole lifting support device 2 is more stable and safer in lifting.

The guiding column 2-2-2 is used for guiding and limiting the motion track of the driving sector gear 2-2-1, and one end of the guiding column 2-2 is connected with the driving sector gear 2-2-1, the other end of the guiding column 2-2 is fixed on the supporting connecting piece 2-1, the driving sector gear 2-2-1 starts to move by rotating the knob 2-2-4, the position fixing of the driving sector gear 2-2-1 is ensured, and the stability of the lifting supporting device 2 is enhanced.

Referring to fig. 3, a seat housing 1 is provided with a mounting hole 1-1 through which a connecting rod 2-2-3 passes, and the connecting rod 2-2-3 is connected with a knob 2-2-4 through the mounting hole 1-1; the knob 2-2-4 is arranged on one side of the seat shell 1, so that the height of the seat can be conveniently adjusted in a lifting manner, and the comfort of the seat is improved.

As shown in fig. 8, the driven gear assembly 2-3 includes a driven sector gear 2-3-1, a bearing 2-3-2 and a screw 2-3-3, the driven sector gear 2-3-1 being connected to the upper end of the screw 2-3-3 through the bearing 2-3-2; the bearing 2-3-2 serves to connect the driven sector gear 2-3-1 and the screw 2-3-3 so that they can rotate relatively.

As shown in connection with FIG. 9, the driven sector gear 2-3-1 is the same as the driving sector gear 2-2-1, and the driving sector gear 2-2-1 and the driven sector gear 2-3-1 are engaged with each other, but the diameter of the driving sector gear 2-2-1 is smaller than the diameter of the driven sector gear 2-3-1; the design of the meshing connection enables the driving gear assembly 2-2 and the driven gear assembly 2-3 to work cooperatively, so that the seat height adjusting function is realized.

The design and the cooperation of the diameter of the gears ensure the efficiency of transmitting force, and when the driving sector gear 2-2-1 rotates, the driving sector gear 2-2-1 drives the driven sector gear 2-3-1 to move, and the corresponding driven sector gear 2-3-1 also rotates to drive the screw rod 2-3-3 to lift.

As shown in fig. 10, a limiting element 2-3-3-1 is installed at the lower end of the screw rod 2-3-3, and the limiting element 2-3-3-1 is used for limiting the lifting range of the seat and ensuring that the seat is stopped at a proper height; the screw rod 2-3-3 is equipped with internal thread sleeve pipe 2-3-3-2 outward, and the external screw thread 2-3-3-3 that screw rod 2-3-3 was equipped with matches with internal thread sleeve pipe 2-3-3-2, and screw rod 2-3-3 and internal thread sleeve pipe 2-3-3-2 provide higher intensity and stability through threaded connection.

As shown in fig. 11, the support sleeve 2-4 is arranged outside the internal thread sleeve 2-3-3-2, the internal thread sleeve 2-3-3-2 is fixed in the support sleeve 2-4, and the support sleeve 2-4 provides support force and stability for the internal thread sleeve 2-3-3-2, so that the internal thread sleeve 2-3-3-2 is ensured to maintain a correct position in the use process; when the driven sector gear 2-3-1 rotates to drive the screw rod 2-3-3 to lift, the screw rod 2-3-3 passes through the internal thread sleeve 2-3-3-2 fixed on the support sleeve 2-4, so that the lifting function of the child safety seat is realized.

The supporting sleeve 2-4 is connected with the supporting base 2-5, and the supporting base 2-5 is composed of five supporting feet, so that the whole lifting supporting device 2 is more stable.

The above is only a specific embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and it should be understood by those skilled in the art that the present utility model includes but is not limited to the accompanying drawings and the description of the above specific embodiment. Any modifications which do not depart from the functional and structural principles of the present utility model are intended to be included within the scope of the appended claims.

Claims

1. The child lifting safety seat is characterized by comprising a seat shell (1), a lifting supporting device (2), a seat back (3) and a storage baffle (4); the lifting supporting device (2) is arranged in the inner cavity of the seat shell (1), and the chair back (3) and the storage baffle (4) are arranged on the surface of the seat shell (1); the lifting supporting device (2) consists of a supporting connecting piece (2-1), a driving gear assembly (2-2), a driven gear assembly (2-3), a supporting sleeve (2-4) and a supporting base (2-5); the driving gear assembly (2-2) comprises a driving sector gear (2-2-1), a guide post (2-2-2), a connecting rod (2-2-3) and a knob (2-2-4); one end of the driving sector gear (2-2-1) is connected with the guide post (2-2-2), and the other end is connected with the knob (2-2-4) through the connecting rod (2-2-3).

2. A child lift safety seat according to claim 1, wherein the driven gear assembly (2-3) comprises a driven sector gear (2-3-1), a bearing (2-3-2) and a screw (2-3-3), the driven sector gear (2-3-1) being connected to the upper end of the screw (2-3-3) by means of the bearing (2-3-2).

3. A child lift safety seat according to claim 1, wherein the driving gear assembly (2-2) and the driven gear assembly (2-3) are in meshed connection by a driving gear segment (2-2-1) and a driven gear segment (2-3-1); the diameter of the driving sector gear (2-2-1) is smaller than the diameter of the driven sector gear (2-3-1).

4. A child safety seat according to claim 2, wherein the lower end of the screw (2-3-3) is provided with a stop element (2-3-3-1).

5. A child lifting safety seat according to claim 2, characterized in that the screw (2-3-3) is provided with an internally threaded sleeve (2-3-3-2) externally, and that the screw (2-3-3) is provided with an externally threaded sleeve (2-3-3-3) which is matched with the internally threaded sleeve (2-3-3-2).

6. The child lifting safety seat according to claim 5, wherein a supporting sleeve (2-4) is mounted outside the internally threaded sleeve (2-3-3-2), and the supporting sleeve (2-4) is connected with the supporting base (2-5).

7. The child lifting safety seat according to claim 1, wherein the seat back (3) and the storage baffle (4) are connected through bolts (5), and ornamental pieces (5-1) are arranged at the connecting positions of the bolts (5).

8. A child safety seat according to claim 1, wherein the seat housing (1) is provided with a mounting hole (1-1) through which the connecting rod (2-2-3) passes, the connecting rod (2-2-3) passing through the mounting hole (1-1) being connected to the knob (2-2-4).