CN213882522U

CN213882522U - Seat base structure of children's study chair

Info

Publication number: CN213882522U
Application number: CN202022273717.7U
Authority: CN
Inventors: 黄毅
Original assignee: Shenzhen Jianzhijia Intelligent Technology Co ltd
Current assignee: Shenzhen Jianzhijia Intelligent Technology Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-08-06
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses a seat base structure of children's study chair relates to sliding base technical field, including the bottom plate, the top movable mounting of bottom plate has first fixed plate, and the top movable mounting of first fixed plate has the second fixed plate, and the location screw has all been seted up in the four corners of first fixed plate, second fixed plate, and the bottom plate has first fixed plate through the location screw swing joint who sets up. The utility model discloses an adopt first fixed plate and second fixed plate to combine, make things convenient for the second fixed plate to slide fixedly first fixed plate and second fixed plate through the spacing spout and the spacing bolt of seting up, the regulation of spacing slide bar of rethread and stopper, can extend on horizontal direction to the base, through adopting sleeve pipe and base bracing piece sliding connection, twist and move the lax sleeve pipe of fixing bolt and can slide adjusting height, make and be applicable to more users of different age brackets, adjust as the height to user's height condition, avoid causing children hunchback or myopia.

Description

Seat base structure of children's study chair

Technical Field

The utility model relates to a base structure relates to base technical field, concretely relates to seat base structure of children's study chair.

Background

Myopia and kyphosis are common problems for primary and secondary school students, and seriously harm the physical development and health of teenagers and children. The results of recent scientific research show that: the main cause of myopia and kyphosis is due to the adoption of an out of position sitting. Correcting sitting posture is the key to prevent myopia and kyphosis. However, how to keep good sitting posture of children in a long-time learning process is a worldwide problem, and no effective solution is found yet.

The defects of the common chair are as follows: many parents think children's bad position of sitting is because of tired arouse, but few people know that bad position of sitting is really because the unreasonable structure of chair causes, and the structure of ordinary chair is "h" type (straight right angle type) basically, and the human weight of sitting mainly has buttock and thigh root to bear when sitting, and when study, work, the angle between upper part of the body and the thigh is generally less than 90 degrees: the upper body is c-shaped, and the sitting posture can naturally bend the spine of a person, increase the burden of legs, waist and buttocks and cause soreness and backache of the waist after long-time sitting. For children who sit and learn for a long time every day, the children can not tolerate the chair, bend over and lie on the table top unconsciously, and the backs of the children are easy to form a 'c' shape after the children grow. The fatal structural defect of the common chair is that the child is caused to be truly powerful with myopia and humpback. The following problems exist in the prior art:

1. in the prior art, the height of a learning chair is inconvenient to adjust, so that one chair can be used for a plurality of age groups, and children and teenagers are hunched due to the fact that the height of the chair is not in accordance with the height proportion of the chair;

2. in the prior art, for some learning seats, the body shape of a user increases along with the age of the user, in this case, the cushion needs to be stretched in the horizontal direction, and the original seat is poor in applicability due to the fact that the original purpose of use provided for most age users cannot be achieved, so that structural innovation is needed to solve specific problems.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a seat base structure of a child learning chair, wherein one purpose is to have the function of horizontal direction adjustment, and the first fixing plate and the second fixing plate are combined by adopting the first fixing plate and the second fixing plate, so that the second fixing plate can slide and fix the first fixing plate and the second fixing plate through the arranged limiting sliding chute and the limiting bolt, and the base can be extended in the horizontal direction by adjusting the limiting sliding rod and the limiting block; wherein another kind of purpose is in order to possess the function of height-adjusting, makes things convenient for sleeve pipe and base bracing piece sliding connection, is favorable to twisting the loose sleeve pipe of fixing bolt and can the slide height-adjusting, has solved the problem that base device horizontal direction extends.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides a seat base structure of children's study chair, includes the bottom plate, and the top movable mounting of bottom plate has first fixed plate, the top movable mounting of first fixed plate has the second fixed plate, the location screw has all been seted up in the four corners of first fixed plate, second fixed plate, the bottom plate has first fixed plate through the location screw swing joint who sets up.

The utility model discloses technical scheme's further improvement lies in: limiting sliding grooves are formed in two sides of the inside of the second fixing plate, the number of the limiting sliding grooves is four, limiting bolts are connected to the inside of the limiting sliding grooves in a sliding mode, and the bottom of each limiting bolt is fixedly connected with the first fixing plate.

The utility model discloses technical scheme's further improvement lies in: the inside of second fixed plate is seted up flutedly, and the inside of recess is provided with the stopper, the top of second fixed plate is provided with the handle bar, the inside both sides of handle bar all set up the screw thread constant head tank, the inside threaded connection of screw thread constant head tank has the screw, the handle bar is through screw thread constant head tank, the screw fixedly connected with second fixed plate that sets up.

The utility model discloses technical scheme's further improvement lies in: the handle comprises a handle rod and is characterized in that a limiting slide rod is movably mounted inside the handle rod, one end of the limiting slide rod is fixedly connected with a sleeve, and a base supporting rod is slidably connected inside the sleeve.

The utility model discloses technical scheme's further improvement lies in: tooth's socket has all been seted up to the outer wall both sides of base bracing piece, just the tooth's socket adopts a plurality of equidistance to arrange the setting.

The utility model discloses technical scheme's further improvement lies in: the anti-skidding type anti-skidding sleeve pipe is characterized in that one side of the sleeve pipe is provided with a fixing threaded hole, the inside of the fixing threaded hole is movably connected with a fixing bolt, and the side wall of the fixing bolt is arranged by adopting an anti-skidding outer ring.

The utility model discloses technical scheme's further improvement lies in: one end of the handle rod is arranged in an arc shape, and a cushion is movably arranged on the outer wall of the bottom plate.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a seat base structure of children's study chair, through adopting first fixed plate and second fixed plate to combine, make things convenient for the second fixed plate to slide fixedly through the spacing spout and the spacing bolt of seting up first fixed plate and second fixed plate, the regulation of spacing slide bar of rethread and stopper can extend the base on horizontal direction, along with the increase at user age, user's size also increases thereupon, this design can be applicable to the constantly children of growing up.

2. The utility model provides a seat base structure of children's study chair through adopting sleeve pipe and base bracing piece sliding connection, twists the loose sleeve pipe of fixing bolt and can the slide adjusting height for be applicable to more different age bracket's user, adjust as the height to user's height condition, avoid causing children hunchback or myopia.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the utility model when installed inside a cushion;

fig. 3 is a schematic top view of the present invention.

Fig. 4 is a schematic structural view of the sliding base of the present invention installed in a learning chair.

In the figure: 1. a base plate; 2. a first fixing plate; 3. a second fixing plate; 4. positioning the screw hole; 5. a cushion; 6. a limiting chute; 7. a limit bolt; 8. a limiting block; 9. a handle bar; 10. a thread positioning groove; 11. A screw; 12. a limiting slide bar; 13. a sleeve; 14. fixing the threaded hole; 15. fixing the bolt; 16. a tooth socket; 17. a base support rod.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the utility model provides a seat base structure of children's study chair, including bottom plate 1, in this embodiment, the top movable mounting of bottom plate 1 has first fixed plate 2, the top movable mounting of first fixed plate 2 has second fixed plate 3, first fixed plate 2, location screw 4 has all been seted up in the four corners of second fixed plate 3, bottom plate 1 has first fixed plate 2 through the 4 swing joint in location screw that set up, first fixed plate 2 is fixed with bottom plate 1 through the setting of location screw 4, second fixed plate 3 can slide on first fixed plate 2 through spacing spout 6.

As shown in fig. 1 to fig. 3, in this embodiment, preferably, two sides of the inside of the second fixing plate 3 are provided with four limiting sliding grooves 6, the inside of the limiting sliding grooves 6 is slidably connected with a limiting bolt 7, the bottom of the limiting bolt 7 is fixedly connected with the first fixing plate 2, and the second fixing plate 3 is conveniently slidably fixed to the first fixing plate 2 and the second fixing plate 3 through the provided limiting sliding grooves 6 and the limiting bolts 7.

As shown in fig. 1-2, preferably, the inside of the second fixing plate 3 is provided with a groove, the inside of the groove is provided with a limit block 8, the top of the second fixing plate 3 is provided with a handle lever 9, both sides of the inside of the handle lever 9 are provided with threaded positioning grooves 10, the internal threads of the threaded positioning grooves 10 are connected with screws 11, and the handle lever 9 is fixedly connected with the second fixing plate 3 through the threaded positioning grooves 10 and the screws 11.

Example 2

As shown in fig. 2, on the basis of embodiment 1, the utility model provides a technical solution: handle bar 9's inside movable mounting has limit slide bar 12, limit slide bar 12's one end fixedly connected with sleeve pipe 13, sleeve pipe 13's inside sliding connection has base bracing piece 17, fixing threaded hole 14 has been seted up to one side of sleeve pipe 13, fixing threaded hole 14's inside swing joint has fixing bolt 15, through adopting sleeve pipe 13's mode and base bracing piece 17 sliding connection, it can the slide adjusting height to twist the sleeve pipe that fixing bolt 15 relaxes, fixing bolt 15's lateral wall adopts the setting of antiskid outer lane, when twisting, need not the instrument, it is more convenient.

Example 3

As shown in fig. 2, on the basis of the embodiment 1 and the embodiment 2, the utility model provides a technical solution: preferably, tooth's socket 16 has all been seted up to base bracing piece 17's outer wall both sides, and tooth's socket 16 adopts a plurality of equidistance to arrange the setting, and sleeve pipe 13 is according to the height that the interval adjustment of tooth's socket goes up and down.

Example 4

As shown in fig. 1-2, on the basis of embodiment 1, embodiment 2, and embodiment 3, the utility model provides a technical solution: the one end of handle bar 9 adopts the arc setting, and the outer wall movable mounting of bottom plate 1 has cushion 5, and handle bar 9 one end arc is convenient to hold, and the drawing of being convenient for, whole base slider can install in cushion 5, drives cushion 5 and removes, realizes the slip function.

The working principle of the seat base structure of the child learning chair is described in detail below.

When the fixing device is used, the handle rod 9 is held in the transverse horizontal direction to pull the limiting slide rod 12, the horizontal moving distance of the limiting slide rod 12 is adjusted according to the gap of the limiting block 8, the first fixing plate 2 is movably installed on the bottom plate 1 through the positioning hole, the second fixing plate 3 fixes the first fixing plate 2 and the second fixing plate 3 in a sliding mode through the limiting slide groove 6 and the limiting bolt 7, and the limiting bolt 7 can be used for fixing the position in the limiting block 8 after the position is determined.

In the longitudinal horizontal direction, the sleeve 13 slides on the outer wall of the base support rod 17, the height is adjusted according to the distance between tooth grooves, and after the height is determined, the sleeve is fixed by the fixing bolt 15.

The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. A seat base structure of a child learning chair, comprising a base plate (1), characterized in that: the top movable mounting of bottom plate (1) has first fixed plate (2), the top movable mounting of first fixed plate (2) has second fixed plate (3), location screw (4) have all been seted up in the four corners of first fixed plate (2), second fixed plate (3), bottom plate (1) has first fixed plate (2) through location screw (4) swing joint who sets up.

2. The seat base structure of a child's learning chair as claimed in claim 1, wherein: spacing spout (6) have been seted up to the inside both sides of second fixed plate (3), the quantity of spacing spout (6) is four, the equal sliding connection in inside of spacing spout (6) has spacing bolt (7), the first fixed plate (2) of bottom fixedly connected with of spacing bolt (7).

3. The seat base structure of a child's learning chair as claimed in claim 1, wherein: the inside of second fixed plate (3) is seted up flutedly, and the inside of recess is provided with stopper (8), the top of second fixed plate (3) is provided with handle bar (9), screw thread constant head tank (10) have all been seted up to the inside both sides of handle bar (9), the inside threaded connection of screw thread constant head tank (10) has screw (11), screw thread constant head tank (10), screw (11) fixedly connected with second fixed plate (3) through the screw thread constant head tank (10), the screw that set up are passed through in handle bar (9).

4. The seat base structure of a child's learning chair as claimed in claim 3, wherein: the handle is characterized in that a limiting slide rod (12) is movably mounted inside the handle rod (9), a sleeve (13) is fixedly connected to one end of the limiting slide rod (12), and a base supporting rod (17) is slidably connected inside the sleeve (13).

5. The seat base structure of a child's learning chair as claimed in claim 4, wherein: tooth's socket (16) have all been seted up to the outer wall both sides of base bracing piece (17), just tooth's socket (16) adopt a plurality of equidistance to arrange the setting.

6. The seat base structure of a child's learning chair as claimed in claim 4, wherein: one side of the sleeve (13) is provided with a fixing threaded hole (14), the inside of the fixing threaded hole (14) is movably connected with a fixing bolt (15), and the side wall of the fixing bolt (15) is arranged by adopting an anti-skidding outer ring.

7. The seat base structure of a child's learning chair as claimed in claim 3, wherein: one end of the handle rod (9) is arranged in an arc shape, and a cushion (5) is movably arranged on the outer wall of the bottom plate (1).