CN218869876U

CN218869876U - Backrest angle adjustable dining chair

Info

Publication number: CN218869876U
Application number: CN202320016918.XU
Authority: CN
Inventors: 武海波
Original assignee: Kunshan Haichuang Industrial Design Co ltd
Current assignee: Kunshan Haichuang Industrial Design Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-04-18
Anticipated expiration: 2033-01-04

Abstract

The utility model discloses a lean against angularly adjustable dining chair, include: the base is provided with at least one supporting leg, and the top surface of the base is provided with an arc-shaped slideway; the bottom of the seat is provided with a lock tongue shell matched with the slide way, and the seat slides in the slide way through the lock tongue shell so as to realize the angle adjustment of the seat relative to the base; the locking mechanism is arranged on the lock tongue shell and the base and used for controlling locking or unlocking between the seat and the base; the utility model discloses can solve traditional dining chair and do not possess the function that the seat leaned on the angle modulation, can not satisfy the problem that children faced upward the seat demand.

Description

Backrest angle adjustable dining chair

Technical Field

The utility model relates to a dining chair technical field, concretely relates to lean against angularly adjustable dining chair.

Background

As the name implies, the child dining chair is a special chair for children to eat. The child dining chair caters to the modern society child education concept, brings convenience to children to have a dinner while being interested, helps the children to transition from parent feeding to family dining with the same table, and develops a good dining habit.

Child dinning chair includes seat and support, and at present, seat and support are mostly fixed connection, do not possess the function that seat back angle modulation, can not satisfy children's demand of facing upward the seat.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem that the traditional dining chair does not have the function of backrest angle adjustment and can not satisfy the requirement of children on the back.

The utility model provides a backrest angle adjustable dining chair, include:

the base is provided with at least one supporting leg, and the top surface of the base is provided with an arc-shaped slideway;

the bottom of the seat is provided with a lock tongue shell matched with the slide way, and the seat slides in the slide way through the lock tongue shell so as to realize the angle adjustment of the seat relative to the base;

and the locking mechanism is arranged on the lock tongue shell and the base and used for controlling locking or unlocking between the seat and the base.

The seat of this application passes through locking mechanism and rotates to be installed on the base to can make through locking mechanism and form locking or unblock between seat and the base upper portion, easy operation possesses the practicality, can satisfy children and face upward the demand of seat.

In a preferred embodiment of the above dining chair, the locking mechanism comprises:

the slots are formed in the bottom surface of the slide way, and at least two slots are arranged at intervals along the path direction of the slide way;

the sliding groove extends from the bottom surface of the bolt shell to the top surface of the bolt shell;

the through hole is formed in the top surface of the bolt shell and communicated with the sliding groove;

a lock member housed within the chute;

the tensile piece, the tensile piece is installed on the locking piece, the tensile piece other end passes through the perforation is located outside the spring bolt shell, the pulling tensile piece, the locking piece is in be moved to the quiescent position in the spout and be located in the spout, unclamp the tensile piece, the locking piece stretches out the spout.

In a preferred embodiment of the above dining chair, the locking mechanism further comprises:

the bottom end of the locking piece is pushed to the outside of the sliding groove by means of the elastic force of the elastic piece.

In the preferable technical scheme of the dining chair, the top of the locking piece is provided with a containing groove, and the elastic piece is positioned in the containing groove.

In the preferable technical scheme of the dining chair, two side walls of the slide way are provided with limit grooves, two side parts of the lock tongue shell are provided with limit parts matched with the limit grooves, and the limit parts are positioned in the limit grooves.

In the preferable technical scheme of the dining chair, the bottom surface of the limiting part is provided with a roller.

In a preferred technical scheme of the dining chair, a limiting shell is mounted on the back of the seat, the limiting shell is recessed towards one side of the seat and far away from the seat to form a stretching space, and a stretching window is formed in the upper part of the limiting shell;

a handle is arranged in the stretching window in a sliding mode and connected with the stretching piece.

In the preferable technical scheme of the dining chair, a containing groove is formed in the top surface of the lock tongue shell, and the stretching piece is located in the containing groove.

In a preferred embodiment of the dining chair, the latch shell and the limiting shell are both mounted on the seat through screws.

The utility model has the advantages that the lock tongue shell is arranged on the seat, and then the lock tongue shell extends out of the locking piece to enter the slot, so that the seat and the base can be effectively locked, and the locking piece retracts to enter the slot by pulling the stretching piece, so that the seat and the base are unlocked; this application can realize the quick locking and the unblock of seat and base through control tensile piece, possesses the practicality, this application simple structure simultaneously, easily production.

Drawings

Figure 1 is a front view of the dining chair;

FIG. 2 is a schematic view of the seat and base separated;

FIG. 3 is a first schematic view of the seat mounted on the base;

FIG. 4 is a second schematic view of the seat mounted on the base;

FIG. 5 is a third schematic view of the seat mounted on the base;

FIG. 6 is a schematic view of the seat and latch mechanism connection;

FIG. 7 is a first schematic view of a spacing shell;

FIG. 8 is a second schematic view of a spacing shell;

FIG. 9 is a first schematic view of the locking mechanism;

FIG. 10 is a second schematic view of the locking mechanism;

FIG. 11 is a cross-sectional view of the locking mechanism;

FIG. 12 is a schematic view of the locking mechanism mounted on the base;

fig. 13 is a partial schematic view of a base.

In the figure: the lock bolt comprises a lock bolt shell 1, a sliding groove 11, a through hole 12, a limiting part 13, a roller 14, an accommodating groove 15, a locking piece 2, an accommodating groove 21, an elastic piece 4, a base 5, a sliding way 51, an inserting groove 52, a limiting groove 53, a seat 6, a limiting shell 7, a stretching space 71, a stretching window 72 and a handle 8.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "connected" and "connected" in the description of the present invention are to be construed broadly and may be, for example, fixedly connected, detachably connected or integrally connected. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 13, the utility model relates to a backrest angle adjustable dining chair, which comprises:

the base 5 is provided with at least one supporting leg, and the top surface of the base 5 is provided with an arc-shaped slideway 51;

a seat 6, wherein a latch shell 1 matched with the slide rail 51 is arranged at the bottom of the seat 6, and the seat 6 slides in the slide rail 51 through the latch shell 1 to realize the angle adjustment of the seat 6 relative to the base 5;

and the locking mechanism is arranged on the bolt shell 1 and the base 5 and used for controlling locking or unlocking between the seat 6 and the base 5.

Referring to fig. 1-5, the upper portion of the base 5 is cylindrical, and the bottom of the base 5 has four legs.

Referring to fig. 9 to 13, the bottom surface of the bolt housing 1 is substantially in a shape of a major arc, the top surface of the upper portion of the base 5 is provided with a slide 51 having a major arc cross section, the slide 51 is matched with the bolt housing 1, and the bolt housing 1 can slide in the slide 51.

Install locking mechanism on lock tongue shell 1 and the base 5, seat 6 rotates through locking mechanism and installs on base 5, can make through locking mechanism to form locking or unblock between seat 6 and the 5 upper portions of base, and easy operation possesses the practicality, can satisfy children's demand of facing upward the seat.

In one or more embodiments, the locking mechanism comprises:

the slots 52 are formed in the bottom surface of the slideway 51, and at least two slots 52 are arranged at intervals along the path direction of the slideway 51 in the slots 52;

the sliding groove 11 extends from the bottom surface of the bolt shell 1 to the top surface of the bolt shell 1;

the through hole 12 is arranged on the top surface of the bolt shell 1, and the through hole 12 is communicated with the chute 11;

a lock member 2, the lock member 2 being housed in the slide groove 11;

the tensile piece, the tensile piece is installed on the locking piece 2, the tensile piece other end passes through perforation 12 is located the latch shell 1 is outside, the pulling tensile piece, locking piece 2 is in the spout 11 is moved to the quiescent position and is located in the spout 11, unclamp the tensile piece, locking piece 2 stretches out spout 11.

Referring to fig. 12 and 13, the bottom surface of the slide 51 of the bolt housing 1 is provided with a plurality of slots 52, the slots 52 are uniformly spaced along the path direction of the slide 51, and the locking members 2 are matched with the slots 52.

Referring to fig. 9 to 11, the bottom surface of the latch case 1 is substantially a major arc, the sliding groove 11 is located at a central position of the bottom of the latch case 1, and the through hole 12 is located at a top surface of the latch case 1, so that the locking member 2 can be pulled by a pulling member (not shown in the drawings) to smoothly move the locking member 2 up in the sliding groove 11, when the locking member 2 cannot be pulled, the locking member 2 is completely received in the sliding groove 11, the pulling member is released, the locking member 2 moves down in the sliding groove 11, and the bottom end of the locking member 2 extends out of the sliding groove 11.

Referring to fig. 10, the lock tongue housing 1 is provided with a cavity structure on the periphery of the sliding groove 11, and the weight and production cost of the lock tongue housing 1 can be effectively reduced through the arrangement.

The tension member may be a nylon rope or a steel wire rope.

In the initial state, the bottom end of the locking member 2 extends out of the sliding slot 11 and is located in the slot 52, and the seat 6 and the base 5 are relatively fixed.

It can be understood that when the latch bolt shell 1 is installed on the seat 6, the top surface of the latch bolt shell 1 can be matched with the bottom surface of the seat 6, in the application, the latch bolt shell 1 is installed on the seat 6, and then the latch bolt shell 1 extends out of the locking piece 2 to enter the slot 52, so that the seat 6 and the base 5 can be effectively locked, and the latch bolt shell 2 retracts into the chute 11 by pulling the stretching piece, so that the seat 6 and the base 5 are unlocked; this application can realize the quick locking and the unblock of seat 6 and base 5 through control tensile piece, possesses the practicality, this application simple structure simultaneously, easily production.

In one or more embodiments, the locking mechanism further comprises:

the elastic piece 4, the both ends of elastic piece 4 respectively with spout 11 with locking piece 2 links to each other, the bottom of locking piece 2 is pushed to with the help of the elasticity of elastic piece 4 the spout 11 is outside.

Referring to fig. 11, the elastic member 4 is a spring or elastic steel. One end of the elastic member 4 is fixedly connected to the top surface of the locking member 2, and the other end is fixedly connected to the top wall of the sliding groove 11.

In the initial state, the bottom end of the lock member 2 is pushed out of the slide groove 11 by the elastic force of the elastic member 4.

Alternatively, a cavity may be formed in the bolt housing 1 around the sliding slot 11, and the side of the elastic element 4 is controlled to extend into the cavity, so that the elastic element 4 is installed in the cavity, and the bottom end of the locking element 2 can be pushed out of the sliding slot 11 by the elastic force of the elastic element 4.

Understandably, when tensile piece pulling locking piece 2 shifts up in spout 11, the elastic potential energy of elastic component 4 can be stored, when the restriction of tensile piece to locking piece 2 was removed, the elastic potential energy release that elastic component 4 stored, under the effect of elastic component 4, the spout 11 that stretches out that can be smooth was put out to locking piece 2 bottom, through this kind of setting, reducible locking piece 2 bottom is difficult to stretch out the problem of spout 11 because of frictional force, improves the result of use of this application.

In one or more embodiments, the top of the locking member 2 defines a receiving groove 21, and the elastic member 4 is located in the receiving groove 21.

Referring to fig. 11, the elastic member 4 is partially received in the receiving groove 21. Through this kind of setting, reducible shared space of this application for this application structure is inseparabler.

In one or more embodiments, two side walls of the slide rail 51 are provided with a limiting groove 53, two side portions of the latch shell 1 are provided with a limiting portion 13 matched with the limiting groove 53, and the limiting portion 13 is located in the limiting groove 53.

Referring to fig. 12 and 13, the limiting parts 13 at the two sides of the latch shell 1 are located in the limiting grooves 53 on the slide 51, so that the base 5 and the seat 6 can be further fixed, the risk that the seat 6 drops is avoided, and the safety during use of the seat is ensured.

It should be noted that the limiting groove 53 and the limiting portion 13 are both disposed along the path direction of the slide 51, so that the latch shell 1 can smoothly rotate in the slide 51.

In one or more embodiments, the limiting portion 13 is provided with a roller 14 on the bottom surface. Through this kind of setting, the seat 6 of can further being convenient for rotates on base 5 through lock tongue shell 1, improves the result of use of this application.

In one or more embodiments, a limiting shell 7 is mounted on the back of the seat 6, the limiting shell 7 is recessed towards the side away from the seat 6 to form a stretching space 71, and a stretching window 72 is opened at the upper part of the limiting shell 7;

a handle 8 is slidably mounted in the stretching window 72, and the handle 8 is connected with the stretching member.

Referring to fig. 1 to 8, in an initial state, the handle 8 is located at the bottom of the stretching window 72, and when the seat 6 and the base 5 need to be unlocked, the handle 8 is pulled upward, so that the handle 8 is located above the stretching window 72, and the handle 8 drives the locking member 2 to move upward in the sliding groove 11 through the stretching member, thereby achieving an unlocking effect; through this kind of setting, can increase the whole pleasing to the eye degree of this application, fix handle 8 on spacing shell 7 simultaneously, reducible mistake bumps handle 8 and leads to the possibility of

seat

6 and 5 unblocks of base, guarantees the security when this application uses.

In one or more embodiments, the top surface of the latch bolt housing 1 is provided with a receiving groove 15, and the stretching member is located in the receiving groove 15.

Referring to fig. 9, 11, arrange the tension member in storage tank 15, can effectively reduce the wearing and tearing of tension member to base 5, reduce the shared space of this application simultaneously for this application structure is inseparabler, possesses the practicality.

In one or more embodiments, the latch shell 1 and the limiting shell 7 are both mounted on the seat 6 by screws. With the arrangement, the bolt shell 1 and the limiting shell 7 are easy to replace when damaged, and the household investment cost is reduced, as shown in fig. 6.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. A dining chair with adjustable backrest angle, comprising:

2. A dining chair with adjustable backrest angle as claimed in claim 1, wherein: the locking mechanism includes:

a lock member housed within the chute;

3. A dining chair with adjustable backrest angle as claimed in claim 2, wherein: the locking mechanism further includes:

4. A dining chair with adjustable backrest angle as claimed in claim 3, wherein: the top of locking piece has seted up the holding tank, the elastic component is located in the holding tank.

5. A dining chair with adjustable backrest angle as claimed in claim 1, wherein: the slide both sides wall has been seted up and has been seted up the spacing groove, lock tongue shell both sides portion have with spacing portion of spacing groove assorted, spacing position in the spacing inslot.

6. A dining chair with adjustable backrest angle as claimed in claim 5, wherein: and the bottom surface of the limiting part is provided with a roller.

7. A dining chair with adjustable backrest angle as claimed in claim 2 or 3, wherein:

the back of the seat is provided with a limiting shell, the limiting shell is recessed towards one side of the seat and far away from one side of the seat to form a stretching space, and the upper part of the limiting shell is provided with a stretching window;

8. A dining chair with adjustable backrest angle as claimed in claim 2, wherein: the spring bolt shell is characterized in that a containing groove is formed in the top surface of the spring bolt shell, and the stretching piece is located in the containing groove.

9. A dining chair with adjustable backrest angle as claimed in claim 7, wherein: the lock tongue shell and the limiting shell are both installed on the seat through screws.