CN215126339U

CN215126339U - Chair with detachable seat

Info

Publication number: CN215126339U
Application number: CN202120736757.2U
Authority: CN
Inventors: 孙伟业; 郝文胜
Original assignee: Qingdao University of Science and Technology
Current assignee: Qingdao University of Science and Technology
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-12-14
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a seat, which comprises a seat frame, a seat cushion component and a locking part; the chair frame comprises a first sliding part which is symmetrical up and down and horizontally arranged on two sides of the chair frame; the seat cushion assembly comprises second sliding parts which are symmetrical up and down, the second sliding parts are horizontally arranged on two sides of the seat cushion assembly, and the second sliding parts are connected with the first sliding parts in a sliding manner; the locking part is used for locking the first sliding part and the second sliding part. The utility model provides a seat, the seat pad is convenient for dismantle from the chair frame, and the seat pad divide into two sides from top to bottom, and the one side is the face of ventilating, and the another side is the face of keeping warm, and two-sidedly is a whole, and can two-sidedly install on the chair frame, and connect stably, firmly.

Description

Chair with detachable seat

Technical Field

The utility model relates to a seat technical field especially relates to a can dismantle seat.

Background

In office facilities, a chair is a common and necessary tool, a good office chair can relieve the work of office staff and is particularly important for people who need to sit on the chair for working most of the time.

Nowadays, not only the convenient movement of office chairs and the reduction of occupied space are continuously studied, but also the comfort level of office chairs is continuously explored. Nowadays, the pace of life is accelerated, the working pressure is increased, so that the health condition of people is generally worried, the number of patients with chronic diseases is increased, and people also begin to realize the importance of the seat to the health. The existing office chair seat cushion has certain defects when in use, the existing seat cushion is made of a single material, the two sides of the seat cushion can not be installed on the chair frame, and the requirement that the single seat cushion can adapt to different indoor temperatures can not be met.

How to design a seat that the cushion is easy to be disassembled and the cushion can be installed on two sides is the technical problem to be solved by the utility model.

Disclosure of Invention

The utility model provides a chair, the chair pad is convenient for dismantle from the chair frame, and can two-sidedly install on the chair frame, connect stably, firmly.

In order to achieve the purpose of the invention, the utility model adopts the following technical scheme to realize:

a seat includes a seat frame, a cushion assembly, and a locking portion; the chair frame comprises a first sliding part which is symmetrical up and down and horizontally arranged on two sides of the chair frame; the seat cushion assembly comprises second sliding parts which are symmetrical up and down, the second sliding parts are horizontally arranged on two sides of the seat cushion assembly, and the second sliding parts are connected with the first sliding parts in a sliding manner; the locking part is used for locking the first sliding part and the second sliding part.

In some embodiments of the present application, the first sliding portion is a first sliding groove, and the second sliding portion is a first sliding block.

In some embodiments of the present application, the locking portion comprises a third sliding portion, a fourth sliding portion, and a stop portion; the third sliding part is vertically arranged on the second sliding part; the fourth sliding part is connected with the third sliding part in a sliding manner; the stopping part is used for limiting the relative movement of the first sliding part and the second sliding part.

In some embodiments of the present application, the third sliding portion is a second sliding groove, the fourth sliding portion is a second sliding block, and the stopping portion is disposed on the second sliding block.

In some embodiments of the present application, the stopping portion is a boss disposed on the second slider, and a groove is formed in the first sliding portion, and a cross-sectional shape of the groove matches a cross-sectional shape of the stopping portion.

In some embodiments of the present application, an upper baffle is disposed at an upper end of the second sliding chute, a lower baffle is disposed at a lower end of the second sliding chute, and two side walls of the second sliding chute are folded inwards to form a folded part; the upper end of the second sliding block is provided with a guide part which can move along a cavity formed by the folding part and the upper baffle; the second sliding block is arranged between the upper baffle and the lower baffle.

In some embodiments of the present application, two compressing portions are vertically disposed on two side walls of the second sliding groove, and a distance between the two compressing portions is gradually reduced from bottom to top.

In some embodiments of the present application, the compression portion is an arcuate boss.

In some embodiments of the present application, arc grooves are formed on two sides of the second slider, and the arc grooves are slidably connected to the arc bosses.

In some embodiments of the present application, the seating pad assembly further comprises a support portion, a first side, and a second side; the first surface is provided with a plurality of holes; both sides of the first surface are connected to the supporting part; the second surface is arranged opposite to the first surface, and two sides of the second surface are connected to the supporting part; the support portion begins with a plurality of second apertures proximate the first face portion.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

the seat cushion assembly is characterized in that a first sliding part is arranged on the seat frame, a second sliding part is arranged on the seat cushion assembly, and the seat frame and the seat cushion assembly slide relative to each other through the sliding connection of the first sliding part and the second sliding part, so that the seat cushion assembly is convenient to detach from the seat frame; the first sliding part and the second sliding part are designed to be in an up-and-down symmetrical structure, so that the second sliding part can still be in sliding connection with the first sliding part after being overturned, and the seat cushion assembly detached from the chair frame can still be installed on the chair frame after being overturned; by providing the locking portion, the relative sliding of the first sliding portion and the second sliding portion is restricted, so that the seat cushion assembly can be stably and firmly mounted on the seat frame.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of an embodiment of a seat according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic diagram of an embodiment of a cushion assembly for a seat according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

fig. 5 is a schematic structural view of an embodiment of a locking portion of a seat according to the present invention;

in the figure, 10, a chair frame; 11, a first chute; 20, a seating pad assembly; 21, a first slide block; 22, a first face; 23, a second face; 24, a support portion; 241, a long hole; 30, a locking portion; 31, a second chute; 311, an arc-shaped boss; 312, a folded portion; 32, a second slide block; 33, a boss; 34, a guide portion; 35, an upper baffle plate; 36, lower baffle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicating the 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 devices or elements must have a specific orientation, be constructed and operated in a specific orientation, 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 in the description of the present invention, the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise explicitly stated or limited. For example, it may be a fixed connection, a detachable connection or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The user uses the seat under different temperatures, and the demand to the seat cushion material is different, just so has proposed higher requirement to the convenience that the seat cushion was changed. In the embodiment, from the design viewpoint, a seat cushion which is convenient to detach and mount is designed, and both sides of the seat cushion can be mounted on the chair frame; in terms of structural design, as shown in fig. 1, a seat frame 10, a seating pad assembly 20, and a locking portion 30 are designed.

In order to facilitate the detachment and installation of the seat cushion assembly 20 from the seat frame 10, in the embodiment, as shown in fig. 2, a first sliding portion is disposed on the seat frame 10, a second sliding portion is disposed on the seat cushion assembly 20, the first sliding portion is slidably connected with the second sliding portion, the seat cushion assembly 20 is turned over, and after the corresponding second sliding portion is also turned over, the first sliding portion is still slidably connected with the second sliding portion.

Specifically, as shown in fig. 2, the first sliding portion employs a first sliding groove 11, the corresponding second sliding portion employs a first sliding block 21, and the first sliding groove 11 and the second sliding block 21 can slide relatively.

In order to enable the first sliding block 21 to still be slidably connected to the first sliding groove 11 after being turned over, in the present embodiment, as shown in fig. 2, the first sliding groove 11 is designed to be a vertically symmetrical structure, and the first sliding block 21 is also designed to be a vertically symmetrical structure. Thus, the seat cushion assembly 20 can be detached from the seat frame 10 by the first slider 21 sliding relative to the first slide groove 11, and the seat cushion assembly 20 can be attached to the seat frame 10 by the first slider 21 sliding relative to the second slide groove 11 after the seat cushion assembly 20 is turned over. Thereby allowing for convenient two-sided use of the seating pad assembly 20.

When the first sliding chute 11 and the first sliding block 21 are in the connected state, and a user sits on the seat cushion assembly 20, the user may exert force in various directions on the seat cushion assembly 20, and in order to ensure stable connection of the first sliding chute 11 and the first sliding block 21, as shown in fig. 1 and 3, a locking portion 30 is further provided, and the locking portion 30 may adopt a clamping manner, or may adopt a connection manner such as a stopper, so that a connection manner that relative movement between the first sliding block 21 and the first sliding chute 11 is prevented and can be conveniently cancelled can be achieved.

In this example, as shown in fig. 1 and 3, the locking portion 30 adopts a stopper manner to prevent the first slide groove 11 and the first slider 21 from sliding relatively. The locking portion 30 includes a third sliding portion, a fourth sliding portion, and a stopper portion provided on the fourth sliding portion.

Specifically, as shown in fig. 3 and 4, the third sliding portion employs a second sliding groove 31, the fourth sliding portion employs a second slider 32, and the second slider 32 is slidably connected to the second sliding groove 31. The second slider 32 is slidable relative to the second slide groove 31.

In the present embodiment, as shown in fig. 4 and 5, an upper baffle 35 is provided at the upper end of the second chute 31, and a lower baffle 36 is provided at the lower end of the second chute 31. The upper and

lower blocking plates

35 and 36 can limit the second sliding block 32 to slide within the range, and prevent the second sliding block 32 from moving out of the upper end of the second sliding chute 31 or falling off the lower end of the second sliding chute 31.

Specifically, as shown in fig. 4 and 5, the stopper portion adopts a boss 33 structure, a groove is formed in the first slider 21, and the boss 33 is matched with the cross-sectional shape of the groove, so that the boss 33 is embedded into the boss 33 in the process of moving along with the second slider 32, and the purpose of locking is achieved.

In consideration of the stability of locking, the boss 33 is prevented from being easily removed from the groove, a way of increasing the friction coefficient between the boss 33 and the groove, a way of interference fit between the boss 33 and the groove, and a pressing force or friction force between the second slider 32 and the second chute 31 can be increased, so that the boss 33 is not easily removed from the groove.

Specifically, as shown in fig. 5, two compressing portions are vertically disposed on two side walls of the second sliding chute 31, the compressing portions are arc-shaped bosses 311, the two arc-shaped bosses 311 are relatively disposed on the two side walls, and a distance between the two arc-shaped bosses 311 is gradually reduced from bottom to top. Two arc-shaped grooves are formed in the corresponding positions on the two side walls of the second sliding block 21, and the arc-shaped grooves are matched with the arc-shaped bosses 311.

Specifically, as shown in fig. 5, in order to enable a user to apply a proper force during the process of removing the boss 33 from the groove when unlocking, the curvature radius of the arc-shaped boss 311 is gradually reduced from bottom to top, so that the operation of the user is facilitated while the distance between the two arc-shaped bosses 311 is reduced.

However, as shown in fig. 4 and 5, the sliding connection between the second sliding chute 31 and the second sliding block 21 is implemented by using a connection manner of an arc-shaped groove and an arc-shaped boss 311 with a gradually changing curvature radius, the sliding connection relationship between the second sliding chute 31 and the second sliding block 21 plays a role of auxiliary guiding, and in order to make the guiding function stable and accurate, a guiding portion 34 is further required to be provided, and the guiding portion 34 is arranged at the upper end of the second sliding block 21. Meanwhile, in order to enable the guide portion 34 to stably slide in the second chute 31, the second chute 31 restricts two degrees of freedom in the horizontal plane.

Specifically, as shown in fig. 4 and 5, two side walls of the second sliding chute 31 are folded inwards to form a folded part 312, a certain distance is left between the upper baffle 35 and an upper end of the folded part 312 to form a cavity, the cross-sectional shape of the guide part 34 is the same as that of the cavity, and the guide part 34 slides in the cavity to realize the sliding connection of the second slider 21 relative to the second sliding chute 31.

In the present embodiment, as shown in fig. 3, the seating pad assembly 20 includes a first surface 22, a second surface 23, and a support portion 24. Both sides of the first surface 22 are connected to the supporting portion 24, and both sides of the second surface 23 are connected to the supporting portion 24. For satisfying the different temperature of user, the different demand of taking experience, first face and second face adopt different materials to make.

Specifically, as shown in fig. 4, the first surface 22 is provided with a plurality of holes, so that the air permeability of the first surface can be enhanced, and the air-permeable first surface is suitable for being used in an environment with high indoor temperature. Meanwhile, a plurality of through holes may be formed in a portion of the support portion 24 close to the first surface 22, so as to further enhance the air permeability of the first surface 22, and the through holes may be elongated holes 241 for enhancing the aesthetic property.

Specifically, as shown in fig. 4, the second surface 23 is disposed opposite to the first surface 22, and the second surface 23 is mainly used in a low-temperature environment. The second side 23 may be made of a material having high heat retention.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims

1. A seat, comprising:

a chair frame, comprising:

-a first sliding part, which is symmetrical up and down, the first sliding part being horizontally arranged on both sides of the chair frame;

a seating pad assembly, comprising:

-a second sliding portion, which is symmetrical up and down, and which is horizontally disposed on both sides of the seat cushion assembly, and which is slidably connected to the first sliding portion;

a locking portion for locking the first sliding portion and the second sliding portion.

2. The seat according to claim 1, wherein said first sliding portion is a first sliding slot and said second sliding portion is a first sliding block.

3. A seat according to claim 1, wherein the locking portion comprises:

a third sliding part vertically provided on the second sliding part;

a fourth sliding portion which is slidably connected to the third sliding portion;

a stop for limiting relative movement of the first and second slides.

4. A seat according to claim 3,

the third sliding part is a second sliding groove, the fourth sliding part is a second sliding block, and the stopping part is arranged on the second sliding block.

5. The seat as claimed in claim 4, wherein the stopping portion is a boss provided on the second slider, and a groove is formed on the first sliding portion, and the sectional shape of the groove matches the sectional shape of the stopping portion.

6. A seat according to claim 4,

an upper baffle is arranged at the upper end of the second sliding chute, a lower baffle is arranged at the lower end of the second sliding chute, and two side walls of the second sliding chute are turned inwards to form a turning part;

the upper end of the second sliding block is provided with a guide part which can move along a cavity formed by the folding part and the upper baffle; the second sliding block is arranged between the upper baffle and the lower baffle.

7. The seat according to claim 4, wherein two pressing portions are vertically arranged on two side walls of the second sliding chute, and the distance between the two pressing portions is gradually reduced from bottom to top.

8. A seat according to claim 7, wherein the compression part is an arcuate boss.

9. The seat as claimed in claim 8, wherein two sides of the second slider are provided with arc-shaped grooves, and the arc-shaped grooves are slidably connected with the arc-shaped bosses.

10. The seat according to any one of claims 1-9, wherein said cushion assembly further comprises a support portion, a first face and a second face;

the first surface is provided with a plurality of holes, and two sides of the first surface are connected to the supporting part;

the second surface is arranged opposite to the first surface, and two sides of the second surface are connected to the supporting part;

the supporting part is provided with a plurality of second holes close to the first surface part.