CN219594114U - Noon break type seat - Google Patents

Abstract

The utility model relates to the field of seats, and provides a noon break type seat which comprises a seat foot rest and a seat back, wherein the top surface of the seat foot rest is provided with a seat surface; the chair back comprises a main beam frame which is arranged on one side of the chair foot rest in a turnover way, and a headrest, a back support and a waist support which are sequentially arranged on the main beam frame from top to bottom, wherein two abdomen supports are symmetrically arranged in the middle of the main beam frame. The chair back adopts a multi-piece structural design to form different functional areas, such as: the headrest part can be convenient for the head to rest, the waist support can support the waist of the human body, and the back support can support the back of the human body; the abdomen support not only can support the abdomen of a human body when the back rest is carried, but also can support the human body for protection when lying flat, so that the falling is prevented, and the safety is improved. The structure of the chair back is arranged in a partitioning mode, and the comfort of use is improved.

Description

Noon break type seat

Technical Field

The utility model relates to the field of seats, in particular to a noon break type seat.

Background

The effective rest is very important to ensure the state of learning after learning, so that the auxiliary rest of a good desk and chair is not needed to ensure the efficient state of learning. Meanwhile, in schools, the condition of noon break in a class exists, the purpose of lying down for rest needs to be met, but the functions of both learning and rest are difficult to be considered in the existing desk and chair.

In the application number CN202111177832.7, the name of the chair is a desk and chair for noon break, a desk and chair convenient for noon break is described, but the chair has the function that the backrest can be turned and adjusted so as to meet the rest in a semi-lying state. The plate-type backrest structure ensures that the backrest has single structural function and cannot be attached to different human bodies more, thereby providing a good rest posture.

Disclosure of Invention

The utility model aims to provide a noon break type seat, which aims to solve the problems that the existing noon break type seat is inconvenient for noon break and has relatively low rest comfort level.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a noon break chair comprising:

the top surface of the chair foot rest is provided with a chair surface; a kind of electronic device with high-pressure air-conditioning system

The chair back comprises a main beam frame which is arranged on one side of the chair foot rest in a turnover mode, and a headrest, a back support and a waist support which are sequentially arranged on the main beam frame from top to bottom, wherein two abdomen supports are symmetrically arranged in the middle of the main beam frame.

Preferably, the top of the chair foot rest is provided with a fixed head, and one side of the fixed head is provided with a plurality of gear grooves;

one end of the main beam frame is provided with a clamping groove sleeved on the fixed head, and a rotating shaft connected with the main beam frame and the fixed head, and one side wall of the clamping groove is provided with a spring pin clamped with the gear groove.

Preferably, a limiting groove is formed in the other side of the fixing head, and a bolt matched with the limiting groove is arranged on the other side wall of the clamping groove.

Preferably, a wingspan type flexible framework is arranged between the abdomen support and the main girder frame.

Preferably, the chair surface is provided with an ergonomic cambered surface.

Preferably, a convex shaft is arranged on the back surface of the main beam frame, and a groove sleeved with the convex shaft is arranged on the frame body of the headrest;

a semicircular arc groove is formed in the shaft end face of the protruding shaft, and positioning grooves are formed in two ends of the semicircular arc groove; the back of the groove bottom of the groove is provided with a button and a reset spring positioned between the button and the frame body of the headrest, and the button is provided with a positioning bolt clamped with the positioning groove.

Preferably, the front surface of the main beam frame is provided with a convex column, the waist support is provided with a sleeve sleeved with the convex column, and the bottom of the sleeve is provided with a buffer pad.

Preferably, the main girder comprises a framework girder and a plastic shell coated outside the framework girder; and the main girder frame is provided with a bending contour which is arranged in the bending radian of the human spine.

Preferably, the chair leg frame is provided with a lifting mechanism for adjusting the lifting of the chair surface.

Preferably, the chair further comprises a foot bracket, wherein the chair foot rest is provided with a sliding rail which is arranged towards or far away from the chair back, and the frame body of the foot bracket is arranged on the sliding rail.

After the technical scheme is adopted, compared with the background technology, the utility model has the following advantages:

1. the chair back adopts a multi-piece structural design to form different functional areas, such as: the headrest part can be convenient for the head to rest, the waist support can support the waist of the human body, and the back support can support the back of the human body; the abdomen support not only can support the abdomen of a human body when the back rest is carried, but also can support the human body for protection when lying flat, so that the falling is prevented, and the safety is improved. The structure of the chair back is arranged in a partitioning mode, and the comfort of use is improved.

Drawings

FIG. 1 is a schematic view of a noon break chair according to the present utility model in a chair back upright position;

FIG. 2 is a rear elevational view of the noon break chair of the present utility model with the chair back upright;

FIG. 3 is a schematic view of a noon break chair according to the present utility model in a flat lying position of the chair back;

FIG. 4 is a partial exploded view of the main beam and foot rest of the noon break style seat according to this utility model at a first view angle;

FIG. 5 is a partial exploded view of the main beam and foot rest of the noon break style seat according to this utility model at a second view angle;

FIG. 6 is a partial view of the front of a headrest of a noon break style seat according to the present utility model;

FIG. 7 is a partial view of the back of the headrest of the noon break style seat according to the present utility model;

fig. 8 is a partial exploded view of a headrest portion of a noon break type seat according to the present utility model.

Reference numerals illustrate:

10. a chair leg frame; 101. a seat surface; 102. a fixed head;

1011. a cambered surface; 1021. a gear groove; 1022. a limit groove;

20. a chair back; 201. a main beam frame; 202. a headrest; 203. a back support; 204. a waist support;

205. an abdomen support; 211. a frame beam; 221. a plastic shell;

2011. a clamping groove; 2012. a rotation shaft; 2013. a spring pin; 2014. a plug pin;

2015. a protruding shaft; 2016. a semicircular arc groove; 2017. a positioning groove; 2018. a convex column;

2021. a groove; 2022. a button; 2023. a return spring; 2024. positioning bolts;

2051. a flexible backbone;

30. a lifting mechanism;

40. a foot rest; 401. a slide rail.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, it should be noted that:

the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, and do not denote or imply that the apparatus or elements of the present utility model must have a particular orientation, and thus should not be construed as limiting the utility model.

When an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the utility model will be understood by those skilled in the art according to the specific circumstances.

Examples

Referring to fig. 1, 2 and 3, the present embodiment provides a noon break type chair, which comprises a chair leg 10 and a chair back 20, wherein a chair surface 101 is arranged on the top surface of the chair leg 10; the chair back 20 comprises a main beam frame 201 which is arranged on one side of the chair foot rest 10 in a turnover manner, a headrest 202, a back support 203 and a waist support 204 which are sequentially arranged on the main beam frame 201 from top to bottom, and two abdomen supports 205 are symmetrically arranged in the middle of the main beam frame 201.

The seat back 20 in this embodiment adopts a five-leaf structure design, and a headrest 202, a back support 203 and a waist support 204 are sequentially installed from top to bottom, and two abdomen supports 205 are symmetrically installed at two sides of the middle part, so as to form a five-leaf structure. The waist support 204 has the advantages that the structure is increased, so that when a human back leans against the chair back 20, the human back is more attached to the human back, the support for the waist is formed, the posture of bending or humpback is prevented, the comfort can be improved, and the purpose of correcting the sitting posture is facilitated. The abdomen support 205 is added to provide the effect of supporting the abdomen of the human body, so that the support area of the back of the human body is increased, and the comfort is improved; meanwhile, people with different body types can be supported, the adaptability is improved, and the fatigue of a long-term sitting posture can be relieved. In use, as shown in fig. 3, the abdomen support 205 can also play a role in protecting the human body from side turning under the state that the chair back 20 is horizontally placed (has a certain inclination angle, such as 116 degrees, 136 degrees, 165 degrees and the like), so that the safety is improved.

Further, as shown in fig. 1 and 3, the seat 101 in this embodiment is provided with an ergonomic cambered surface 1011. The cambered surface 1011 is arranged, so that a person sitting on the chair cannot randomly change the position on the chair surface 101, a limiting effect is formed through the cambered surface 1011, further, the effect of correcting sitting postures is achieved, and the chair is beneficial to learning.

The main beam frame 201 in this embodiment includes a frame beam 211 and a plastic shell 221 covering the frame beam 211; and the main girder frame 201 is provided with a curved profile arranged in a curved arc of the human spine. Namely, the main beam 201 is similar to the shape of the human spine in appearance and is protected by the plastic shell 221, so that the metal skeleton beam 211 is prevented from being exposed, and the safety and the service life are improved. Meanwhile, the skeleton beam arranged in the shape of the human spine can enable the chair back to be more attached to the back of the human body, and has the effect of correcting sitting postures.

As shown in fig. 4 and 5, the top of the chair leg 10 in this embodiment is provided with a fixing head 102, and the fixing head 102 is arranged to protrude from one side of the chair leg 10 so as to be mounted and connected with the main beam frame 201. A plurality of shift grooves 1021 are provided on one side of the fixed head 102, a clamping groove 2011 that is sleeved on the fixed head 102 is provided at one end of the main beam frame 201, and a rotating shaft 2012 that connects the main beam frame 201 and the fixed head 102 is provided at one side wall of the clamping groove 2011, and a spring pin 2013 that engages with the shift grooves 1021 is provided.

Specifically, the main beam 201 of the seatback 20 is pivotally mounted to the chair leg 10 by a pivot shaft 2012 such that the seatback 20 can pivot about the pivot shaft 2012. And the spring pin 2013 and the gear slots 1021 are matched for positioning, so that a plurality of gear slots 1021 can be manually arranged according to the requirement, and the inclination angle of the multi-gear adjustable chair back 20 is formed. For example: two gears are arranged, one is in a vertical state, the other is in a lying state, the engagement with the gear groove 1021 is released by pulling the spring pin 2013, and then the chair back 20 is rotated to the position of the other gear groove 1021, the spring pin 2013 is released or the spring force of the spring pin 2013 is utilized to return automatically, so that re-engagement is formed. It is achieved that there is a vertical state switching to a lying state and vice versa. Various forms are provided for resting and improving the comfort of use.

Further, as shown in fig. 4 and 5, a limiting groove 1022 is provided on the other side of the fixing head 102 in this embodiment, and a latch 2014 engaged with the limiting groove 1022 is provided on the other side wall of the clamping groove 2011. The limiting groove 1022 can be configured to have a semicircular arc structure, and slide in the limiting groove 1022 through the latch 2014 to form a propping contact with two ends of the limiting groove 1022, so as to achieve artificial limitation of the maximum angle of the rotation adjustment of the chair back 20 (namely, the radian of the limiting groove 1022, and limit the radian of the adjustment of the chair back 20); and simultaneously, the stability of the structure is improved when the chair back 20 is placed in a lying state, so that the use safety is improved.

As shown in fig. 1 and 2, in this embodiment, a spanwise flexible skeleton 2051 is disposed between the abdomen support 205 and the main beam frame 201, the flexible skeleton 2051 may be made of nylon plastic, and the spanwise structure is beneficial to improving structural strength, and keeps flexibility to deform, so as to adapt to people with different body shapes for use, and improve adaptability and comfort.

As shown in fig. 6, 7 and 8, in the present embodiment, a protruding shaft 2015 is provided on the back surface of the main beam 201, and a groove 2021 that is engaged with the protruding shaft 2015 is provided on the frame body of the headrest 202; a semicircular arc groove 2016 is arranged on the shaft end surface of the protruding shaft 2015, and positioning grooves 2017 are arranged on two ends of the semicircular arc groove 2016; a button 2022 and a return spring 2023 located between the button 2022 and the frame of the headrest 202 are provided on the bottom back surface of the groove 2021, and a positioning bolt 2024 engaged with the positioning groove 2017 is provided on the button 2022.

Specifically, the frame body of the headrest 202 is locked in the center of the protruding shaft 2015 by using a bolt, so that the headrest 202 sleeved on the protruding shaft 2015 can rotate around the bolt, and the headrest 202 is put down when the headrest 202 is not used. During adjustment, the button 2022 is pressed to separate the head of the positioning bolt 2024 from the positioning groove 2017, so that the headrest 202 can rotate along the semicircular groove 2016 until reaching the other positioning groove 2017, the button 2022 is pushed to reset by the elastic force of the reset spring 2023, so that the head of the positioning bolt 2024 is clamped in the positioning groove 2017 to form locking, and the operation of putting down the headrest 202 is completed; similarly, the headrest 202 may be lifted for use. The purpose of simple and convenient adjustment is achieved, so that safety is guaranteed.

As shown in fig. 4 and 5, in this embodiment, the front surface of the main beam frame 201 is provided with a protruding column 2018, the waist support 204 is provided with a sleeve sleeved with the protruding column 2018, and the bottom of the sleeve is provided with a buffer pad (not shown). The waist support 204 is installed in a sleeving manner, and the buffer cushion is placed in the sleeve, so that the waist support 204 has a certain buffer function when leaning against the waist support, the hardness of the chair back 20 is reduced, and the comfort is improved.

As shown in fig. 2, the chair leg frame 10 in this embodiment is provided with a lifting mechanism 30 for adjusting the lifting of the chair surface 101, so that the height of the chair surface 101 is adjusted by the lifting mechanism 30 to satisfy people of different sizes, thereby improving adaptability and practicability.

The elevating system 30 includes the sliding chamber of chair leg frame stand, set up stop collar and cover and establish the adjusting column between sliding chamber and stop collar in sliding chamber, and the one end that the adjusting column exposes sets up on the support body of fixed seat 101, the top of stop collar is provided with two gear holes of slope arrangement and intercommunication, be provided with spacing axle on the gear hole and be used for supporting spacing torsional spring on the gear hole to spacing axle top, vertically be provided with the bar hole on the adjusting column, and a plurality of adjustment tank that are provided with equidistant arrangement on a side wall on the bar hole. The bar-shaped holes and the gear holes with lower horizontal positions are on the same vertical surface, and the plurality of adjusting grooves and the gear holes with higher horizontal positions are on the same vertical surface. The two gear holes are positioned at a higher position to play a limiting role, and the limiting shaft is propped against the gear holes by utilizing the elasticity of the torsion spring and is positioned on the adjusting groove; the gear hole with lower horizontal position is used for sliding up and down or adjusting gears on a plurality of adjusting grooves.

Specifically, the two columns of the leg rest are provided, so that the lifting mechanism 30 is provided on the same structure on the two columns of the table legs. The adjusting column is fixed on the frame body of the chair surface 101 in a welding mode, and the limit sleeve can be locked on the bottom surface of the sliding cavity through bolts. In the initial state, the limiting shaft is positioned on the gear hole with a higher horizontal position and the topmost adjusting groove, and forms a limiting state. When the chair is adjusted, the chair surface 101 is lifted upwards, so that the limiting shaft rises, the strip-shaped holes and the adjusting grooves also rise along with the lifting, and the limiting shaft is pushed by pushing the limiting shaft by pushing the adjusting grooves, so that the limiting shaft is separated from the gear holes and the adjusting grooves and moves to the gear holes with lower horizontal positions; along with the gradual rising, the limiting shaft is clamped into the adjacent next adjusting groove by utilizing the elasticity of the torsion spring and returns to the gear hole with the higher horizontal position, so that the adjustment of the gear height is formed, and the height of the needed chair surface 101 is adjusted.

When the adjusting groove at the lowest position is moved, the adjusting groove is lifted upwards again to enable the limiting shaft to be located in a gear hole with a lower horizontal position, at the moment, the adjusting column can be reversely and downwards adjusted to the position of the highest adjusting groove, a re-limiting state is achieved, and the adjusting mode can be used for adjusting the height again to adapt to the use of people with different body types.

As shown in fig. 3, 4 and 5, the present embodiment further includes a foot bracket 40, and the chair leg frame 10 is provided with a sliding rail 401 disposed toward the chair back 20, and the frame body of the foot bracket 40 is disposed on the sliding rail 401. By means of the foot rest 40, support can be provided for the feet when lying flat, thereby improving comfort when lying flat for rest. The telescopic structure is arranged, when the foot bracket 40 is not used, the foot bracket 40 is hidden and placed below the seat surface 101, so that the noon break type seat can be normally used, and the convenience and safety of use are improved.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims (10)

1. A noon break type seat, comprising:

the top surface of the chair foot rest is provided with a chair surface; a kind of electronic device with high-pressure air-conditioning system

The chair back comprises a main beam frame which is arranged on one side of the chair foot rest in a turnover mode, and a headrest, a back support and a waist support which are sequentially arranged on the main beam frame from top to bottom, wherein two abdomen supports are symmetrically arranged in the middle of the main beam frame.

2. The noon break chair according to claim 1, characterized in that: the top of the chair foot rest is provided with a fixed head, and one side of the fixed head is provided with a plurality of gear grooves;

one end of the main beam frame is provided with a clamping groove sleeved on the fixed head, and a rotating shaft connected with the main beam frame and the fixed head, and one side wall of the clamping groove is provided with a spring pin clamped with the gear groove.

3. The noon break chair according to claim 2, characterized in that: the other side of the fixed head is provided with a limit groove, and the other side wall of the clamping groove is provided with a bolt matched with the limit groove.

4. The noon break chair according to claim 1, characterized in that: a wing-span type flexible framework is arranged between the abdomen support and the main girder frame.

5. The noon break chair according to claim 1, characterized in that: the chair surface is provided with an ergonomic cambered surface.

6. The noon break chair according to claim 1, characterized in that: a convex shaft is arranged on the back surface of the main beam frame, and a groove sleeved with the convex shaft is arranged on the frame body of the headrest;

a semicircular arc groove is formed in the shaft end face of the protruding shaft, and positioning grooves are formed in two ends of the semicircular arc groove; the back of the groove bottom of the groove is provided with a button and a reset spring positioned between the button and the frame body of the headrest, and the button is provided with a positioning bolt clamped with the positioning groove.

7. The noon break chair according to claim 1, characterized in that: the front of the main beam frame is provided with a convex column, the waist support is provided with a sleeve sleeved with the convex column, and the bottom of the sleeve is provided with a buffer cushion.

8. The noon break style seat as claimed in claim 1 or 2 or 4 or 6 or 7, characterized in that: the main girder comprises a framework girder and a plastic shell coated outside the framework girder; and the main girder frame is provided with a bending contour which is arranged in the bending radian of the human spine.

9. The noon break chair according to claim 1, characterized in that: the chair leg frame is provided with a lifting mechanism for adjusting the lifting of the chair surface.

10. The noon break chair according to claim 1, characterized in that: the chair further comprises a foot bracket, wherein the chair foot rest is provided with a sliding rail which is arranged towards or away from the chair back, and the frame body of the foot bracket is arranged on the sliding rail.