Chair convenient to carry

Abstract

The utility model relates to the technical field of furniture, and discloses a chair convenient to carry, which comprises a cushion with a backrest and a supporting piece positioned below the cushion, the supporting piece is provided with a rolling piece, and the rolling piece elastically ascends to the bottom to be flush with the bottom of the supporting piece after the cushion bears preset pressure and resets to the position outside the bottom of the supporting piece after the cushion loses the pressure. When a person sits on the chair, the rolling activity capability can be counteracted by means of the body weight, so that the chair is in sliding contact with the ground, compared with a roller device arranged on an existing chair, the step that the roller state can be switched by means of manual operation is omitted, and the chair is very convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to furniture technical field especially, it is a kind of chair of convenient handling. BACKGROUND

[0002] The chair bottom roller device of patent number CN213216125U discloses a kind of, including the device body that can be connected with chair bottom, hinge is set on device body One rotating member, elastic expansion is arranged on rotating member The rolling body can be close to or away from hinged shaft, rolling body can be stored with the turning of rotating member to device body or turn to device body inside, limit post is fixedly provided on the both sides of rolling body, the bottom and side wall of device body are provided with the limit slot for limit post when turning body is turned, when limit post is located in limit slot, rolling body is in elastic tension state, limit limit post from limit slot.

[0003] In combination with the above structure can be known, after the cooperation of the roller device and the chair, the rolling body can be turned outside to the bottom of device body when moving the chair, when limit post and the limit slot of bottom are connected, the rolling body is limited in the bottom of device body, at this time, the roller device is in the state of extension, it is convenient to drag or push the chair to move;When not needing to move the chair, turn the rolling body to storage state, the bottom of device body can directly contact ground as support, the roller device is in storage state, the chair is not easy to move in this state, it is suitable for use when someone sits on the chair, can reduce unnecessary movement of chair when body activity;But the rolling body of the above needs to be lifted first to make device body in the state of suspension when switching between the two states, then manually pull out the rolling body from limit slot and turn to another limit slot, after operating all roller devices in turn, the chair is put down, each time switching needs to be operated according to the above steps, therefore, the state switching function of the above roller device is more troublesome in actual use. UTILITY MODEL CONTENTS

[0004] In view of the existing roller device is manually operated when switching between the state of extension and storage, which leads to inconvenience in use, the utility model aims at providing a chair, which is automatically extended for carrying when in normal state.

[0005] In order to solve the above technical problems, the utility model is solved by the following technical solutions:

[0006] A chair convenient to carry, including cushion with backrest and support located below cushion, support is provided with rolling member that is elastically raised to the bottom of support flush when cushion is subjected to preset pressure and is reset to outside the bottom of support after cushion loses pressure.

[0007] Adopting the above scheme, the rolling piece in the scheme elastically stretches and shrinks relative to the support piece, when the chair is in normal state, the rolling piece is elastically kept outside the bottom of the support piece, at this time people can easily move the chair by using the characteristic that the rolling piece is in rolling contact with the ground; when a person sits on the chair, downward pressure is applied to the seat cushion and the support piece, when the downward pressure exceeds the preset elastic force of the rolling piece, the rolling piece is compressed to make it rise, so that its bottom is flush with the bottom of the support frame, at this time the chair is in sliding contact with the ground and is not easy to move, the chair in the scheme has the ability of rolling activity in normal state, when a person sits on the chair, the body weight can offset the ability of rolling activity to make the chair slide in contact with the ground, compared with the rolling wheel device provided on the existing chair, the step of switching the rolling wheel state by relying on manual operation is omitted, and the chair is very convenient to use.

[0008] Preferably, the support piece comprises a support leg and an anti-skid pad fixed at the bottom of the support leg, and the rolling piece elastically rises and falls on the anti-skid pad.

[0009] Preferably, the anti-skid pad is provided with an elastic stretching and shrinking mechanism for driving the rolling piece to rise and fall, the elastic stretching and shrinking mechanism comprises a sliding block elastically rising and falling in the anti-skid pad, an elastic piece for driving the sliding block to be in a downward trend, and a rotating shaft rotating on the sliding block, the rotating shaft is the rotating shaft of the rolling piece, and a stroke hole is formed in the anti-skid pad for the rotating shaft to reciprocate with the sliding block.

[0010] Preferably, the anti-skid pad is provided with a containing groove for the sliding block to stretch and shrink, and the elastic piece comprises a spring arranged between the containing groove and the sliding block.

[0011] Preferably, the rolling piece comprises two rollers arranged on both sides of the anti-skid pad, and the rotating shaft passes through the sliding block and is connected with the centers of the two rollers at both ends.

[0012] Adopting the above scheme, the rollers are arranged on both sides of the anti-skid pad, so that the stress of the rotating shaft can be balanced, and the situation that the rotating shaft is bent on one side can be reduced.

[0013] Preferably, a brake mechanism for limiting the rotation of the roller when the roller rises is arranged between the roller and the pad, the brake mechanism comprises a brake block protruding from the anti-skid pad towards the roller, a plurality of cooperation blocks protruding from the side of the roller towards the anti-skid pad in a circumferential direction, and a cooperation groove recessed on the side of the cooperation block away from the center of the roller, when the roller rises, the brake block can be inserted between the adjacent two cooperation blocks or in the cooperation groove on one of the cooperation blocks to limit the rotation of the roller.

[0014] Adopting the above scheme, considering that some people like to lift the chair by the end of the supporting leg as the fulcrum when sitting on the chair, and the rollers in the scheme can roll freely after the chair is lifted, there is a risk of falling and injury, therefore, the brake mechanism in the scheme can limit the rotation of the rollers when the rollers rise, and only when the rollers descend, the brake block will be out of the cooperation state with the cooperation block or the cooperation groove, and the brake will be released, which can reduce the situation of falling when people sit on the chair and lift the chair.

[0015] Preferably, the rolling member is arranged on the supporting member and located at one end of the cushion close to the backrest.

[0016] Preferably, the rolling member is arranged in two groups and symmetrically distributed below the cushion on the supporting member.

[0017] Adopting the above scheme, the preferred scheme of the arrangement of the rolling member is provided, the number of the rolling member is limited to two groups and symmetrically arranged, when the chair is in normal state, the supporting leg is partially in sliding contact with the ground, one end of the rolling member is in rolling contact with the ground, in this state, the chair will not move randomly, and only when the chair is lifted at one end, the chair can be dragged or pushed to move; the rolling member is located at one end of the supporting leg close to the backrest, when people need to move the chair, they only need to stand behind the backrest and hold the backrest to tilt and lift the chair backward, so as to drag or push the chair, this way of lifting the chair is more comfortable and convenient to move.

[0018] The chair in the scheme keeps the rolling member on the chair in normal state out of the bottom of the supporting member; when a person sits on the chair, the rolling member is driven upward by the depressed cushion to the bottom level with the bottom of the supporting member, therefore, the chair in the scheme has the rolling activity ability in normal state, and when a person sits on the chair, the body weight can offset the rolling activity ability to make the chair in sliding contact with the ground, compared with the existing roller device arranged on the chair, the step of manually operating to switch the roller state is omitted, and the chair is very convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic view of the external structure of the chair convenient to carry in the embodiment;

[0020] Figure 2 is a schematic view of the split state of the chair convenient to carry in the embodiment;

[0021] Figure 3 is Figure 2 is a partial enlarged view of A in the embodiment;

[0022] Figure 4 is a schematic view of the split state of the chair convenient to carry in the embodiment;

[0023] Figure 5 is Figure 4 is a partial enlarged view of B in the figure.

[0024] Figure 6 is a front view of a chair convenient to carry according to the embodiment;

[0025] Figure 7 is Figure 4 is a sectional view of B-B in the figure;

[0026] Figure 8 is Figure 7 is a partial enlarged view of C in the figure;

[0027] The part names referred to by the respective number designations in the above figures are as follows: 1, seat cushion; 2, support leg; 3, anti-skid pad; 4, sliding block; 5, rotating shaft; 6, stroke hole; 7, roller; 8, accommodating groove; 9, elastic member; 10, brake block; 11, matching block; 12, matching groove. DETAILED DESCRIPTION

[0028] The utility model will be described in further detail below in combination with the drawings and embodiments.

[0029] EMBODIMENT

[0030] A chair convenient to carry according to the embodiment, as shown in Figure 1 or 2, comprises a seat cushion 1 with a backrest, a support leg 2 is arranged below the seat cushion 1, an anti-skid pad 3 is arranged at the bottom of the support leg 2, the above is prior art, and no longer described in detail in the embodiment.

[0031] The improvement point of the embodiment is that a rolling member is arranged on the anti-skid pad 3 in an elastically lifting manner, when the seat cushion 1 is subjected to a preset pressure, the rolling member will be elastically lifted to be flush with the bottom of the support member, and when the seat cushion 1 loses the pressure, the rolling member is reset to be outside the bottom of the support member, as shown in Figure 3 or 8, the rolling member comprises an accommodating groove 8 arranged on the anti-skid pad 3, a sliding block 4 is arranged in the accommodating groove 8 in a lifting manner, an elastic member 9 for driving the sliding block 4 to be in a descending trend is arranged between the sliding block 4 and the bottom of the accommodating groove 8, in the embodiment, the elastic member 9 is a spring, a rotating shaft 5 is arranged on the sliding block 4 in a rotating manner, the rotating shaft 5 is connected with the rotating center of the rolling member, in the embodiment, the rolling member is a roller 7 distributed on both sides of the anti-skid pad 3, the rotating shaft 5 penetrates out from both sides of the anti-skid pad 3 and is connected with the center of the roller 7 at both ends, the rotating shaft 5 can move back and forth synchronously with the sliding block 4, as shown in Figure 3 the anti-skid pad 3 is provided with a stroke hole 6 for the rotating shaft 5 to penetrate through and move synchronously with the sliding block 4, the both ends of the stroke hole 6 can limit the maximum and minimum sliding stroke of the sliding block 4.

[0032] The roller 7 and the pad are provided with a brake mechanism for limiting the rotation of the roller 7 after the roller 7 is lifted. Figure 3 According to the embodiment shown in The brake mechanism includes a brake block 10 protruding from the anti-skid pad 3 towards the roller 7, a plurality of cooperating blocks 11 protruding from the side of the roller 7 towards the anti-skid pad 3, and a cooperating groove 12 recessed in the side of the cooperating block 11 away from the center of the roller 7. After the roller 7 is lifted, the brake block 10 can be inserted between two adjacent cooperating blocks 11 or in the cooperating groove 12 of one cooperating block 11 to limit the rotation of the roller 7.

[0033] Figure 1 According to the embodiment shown in The rolling member is provided with two groups on the support legs 2 below the two sides of the seat cushion 1, and is located on the support leg 2 near the end of the seat cushion 1 provided with the backrest.

[0034] Figures 1-8 According to the embodiment shown in

[0035] The rolling member of the present scheme is elastically stretched relative to the support member. When the chair is in normal state, the rolling member is elastically kept outside the bottom of the support member. At this time, people only need to stand behind the backrest and hold the backrest to tilt and lift the chair backwards to drag or push the chair. When a person sits on the chair, the seat cushion and the support member will be subjected to downward pressure. When the downward pressure exceeds the preset elastic force of the rolling member, the rolling member will be compressed to lift it to the same level as the bottom of the support frame. At this time, the chair is in sliding contact with the ground and cannot be easily moved.

[0036] Therefore, the chair has the ability to roll and move in normal state. When a person sits on the chair, the body weight can offset the ability of rolling and moving to make the chair in sliding contact with the ground. Compared with the existing roller device provided on the chair, the step of manually switching the roller state is omitted, and the chair is very convenient to use.

[0037] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features. Any modification, equivalent substitution, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A chair for easy transport, comprising a seat cushion (1) with a backrest and a support located below the seat cushion (1), characterized in that: The support is provided with a rolling part which is elastically raised to the level of the bottom of the support when the cushion (1) is subjected to a preset pressure and is reset to be out of the bottom of the support when the cushion (1) loses the pressure.

2. A chair for easy transport according to claim 1, characterized in that: The support comprises support legs (2) and anti-skid pads (3) fixed at the bottom of the support legs (2), and the rolling part is elastically raised and lowered on the anti-skid pads (3).

3. A chair for easy transport according to claim 2, characterized in that: The anti-skid pads (3) are provided with elastic extension mechanisms for driving the rolling part to be raised and lowered, the elastic extension mechanisms comprising sliding blocks (4) which are arranged to be raised and lowered in the anti-skid pads (3), elastic parts (9) for driving the sliding blocks (4) to be in a lowering trend, and rotating shafts (5) which are arranged to be rotated on the sliding blocks (4), the rotating shafts (5) being rotating shafts of the rolling part, and the anti-skid pads (3) being provided with stroke holes (6) for the rotating shafts (5) to reciprocate with the sliding blocks (4).

4. A chair for easy transport according to claim 3, characterized in that: The anti-skid pads (3) are provided with accommodating grooves (8) for the sliding blocks (4) to be extended and contracted, and the elastic parts (9) comprise springs which are arranged between the accommodating grooves (8) and the sliding blocks (4).

5. A chair for easy transport according to claim 3, characterized in that: The rolling part comprises rollers (7) which are arranged on both sides of the anti-skid pads (3), and the rotating shafts (5) pass through the sliding blocks (4) and are connected with the centers of the two rollers (7) at both ends.

6. A chair for easy transport according to claim 5, characterized in that: The rollers (7) and the pads are provided with braking mechanisms for limiting the rotation of the rollers (7) when the rollers (7) are raised, the braking mechanisms comprising braking blocks (10) which are protruded on the anti-skid pads (3) and face the rollers (7), a plurality of cooperation blocks (11) which are protruded on the rollers (7) and are circumferentially spaced on the side of the rollers (7) which faces the anti-skid pads (3), and cooperation grooves (12) which are recessed on the side of the cooperation blocks (11) which faces away from the center of the rollers (7), when the rollers (7) are raised, the braking blocks (10) can be inserted between the adjacent two cooperation blocks (11) or in the cooperation grooves (12) on one of the cooperation blocks (11) to limit the rotation of the rollers (7).

7. The easy-to-carry chair according to claim 1, characterized in that: The rolling part is arranged on the support and is located at one end of the cushion (1) which is provided with a backrest.

8. The easy-to-carry chair according to claim 1, characterized in that: The rolling part is arranged in two groups and is symmetrically distributed on the support below both sides of the cushion (1).

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