Noon break type chair

Abstract

The utility model relates to the field of human life necessities, and provides a noon break type chair which comprises chair legs and a chair back, and a chair surface is arranged on the top surfaces of the chair legs; the chair back is arranged on one side of the chair surface; a back support and a waist support are arranged on the chair back, a spine supporting structure and a scapula bone supporting structure are arranged on the back support, and a plurality of ball bulges are arranged on the spine supporting structure and the scapula bone supporting structure. In the noon break type chair, the chair back can rotate relative to the chair legs so as to adjust the angle between the chair back and the chair surface, so that the chair is suitable for being used in a resting posture, and a use function of comfortable noon break is provided. The back support is provided with the ball head protrusion structures for massaging the spine and the shoulder blades of the human body, a certain massage effect is achieved through the actions of friction or jacking and the like between the ball head protrusions and the human body, and the feeling of fatigue can be relieved.

Description

Technical Field

[0001] The utility model relates to the field of human life necessities, in particular to a lunch break type chair. Background Art

[0002] In addition to studying, effective rest to ensure the state of learning is also very important, so good desks and chairs are indispensable for auxiliary rest to ensure efficient learning. At the same time, there is a situation in the school where students take a lunch break in class, and they also need to be able to lie flat for rest, but the existing desks and chairs are difficult to take into account the functions of both learning and rest.

[0003] In the application number CN202111177832.7, entitled "A desk and chair for lunch break", a desk and chair for lunch break is recorded, but the function of this chair is that the backrest can be flipped and adjusted to meet the needs of resting in a semi-lying state. The plate-type backrest structure makes the backrest structure single in function and cannot fit different human bodies better to provide a good resting posture. Utility Model Content

[0004] The utility model aims to provide a lunch break chair, aiming to improve the problem of the existing desks and chairs in terms of comfort or single functionality.

[0005] To achieve the above purpose, the utility model adopts the following technical solution: a lunch break chair, comprising:

[0006] A chair leg, the top surface of which is provided with a seat seat; and

[0007] A chair back, which is rotatably swingable or positionally locked and arranged on the top of the chair legs, and the chair back is arranged on one side of the chair seat;

[0008] The chair back is provided with a back support and a lumbar support, the back support is provided with a spine support structure and a shoulder blade support structure, and the spine support structure and the shoulder blade support structure are provided with a plurality of ball head protrusions.

[0009] Preferably, two rotating frames are symmetrically arranged on one side of the top of the chair leg, and a rotating shaft is arranged between the frame of the chair back and the rotating frame;

[0010] The rotating frame is provided with an arc-shaped groove, and the frame body is provided with a limiting shaft engaged with the arc-shaped groove;

[0011] A limiting tooth is arranged on the rotating end of the frame body, a latch plate which is engaged and limited with the limiting tooth is swingably arranged on the rotating frame, and a linkage rod is arranged between the latch plates on the two rotating frames.

[0012] Preferably, a handle is also provided on the latch plate.

[0013] Preferably, a strip-shaped hole is provided on the rotating frame, and a travel shaft engaging with the strip-shaped hole is provided on the tooth plate.

[0014] Preferably, it also includes an armrest, which is rotatably arranged on the rotating shaft, and an armrest limit block is arranged on the rotating frame, an arc-shaped stroke groove is arranged on the limit block, and a stroke cam shaft engaged with the arc-shaped stroke groove is arranged on the rotating connecting end of the armrest.

[0015] Preferably, the chair surface is provided with an ergonomically designed concave groove.

[0016] Preferably, a headrest is further included, and a slide rail is arranged on the back side of the back support, and the headrest is arranged on the slide rail so as to be lifted and slidable.

[0017] Preferably, it also includes a sliding frame rod and two leg rests symmetrically and rotatably arranged on one end of the sliding frame, a sliding groove is arranged in the horizontal direction of the top of the chair leg, the sliding groove is located below the chair surface, and the other end of the sliding frame rod is telescopically slidable in the sliding groove.

[0018] Preferably, an inner core rod is vertically arranged at one end of the sliding frame rod, and the two leg supports are symmetrically and rotatably arranged on the inner core rod;

[0019] The sliding frame rod is provided with a protrusion located on one side of the inner core rod, and the rotating end of the leg support is provided with a limiting block that is pressed against one side of the protrusion to expand or pressed against the other side of the protrusion to be stored.

[0020] Preferably, an upwardly curved baffle is provided on the side of the leg rest away from the other leg rest.

[0021] After adopting the above technical solution, the utility model has the following advantages compared with the background technology:

[0022] 1. In a nap-style chair, the backrest can be rotated relative to the chair legs to adjust the angle between the backrest and the seat surface so that it can be used in a posture suitable for resting. For example, it can be laid flat for a lying rest, providing a function for a comfortable nap.

[0023] 2. A ball head protrusion structure is designed on the back support to massage the human spine and shoulder blade area. Through the friction or pressing between the ball head protrusion and the human body, a certain massage effect is formed to relieve fatigue. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of the lunch break chair of the utility model in a normal state;

[0025] Figure 2 It is a structural schematic diagram of the lunch break chair of the utility model in an unfolded state;

[0026] Figure 3 for Figure 2 A is the enlarged view of the circle marked in center;

[0027] Figure 4 It is a partial view of the lunch break chair described in the utility model;

[0028] Figure 5 An exploded view of the lunch break chair of the utility model at the armrest position;

[0029] Figure 6 It is a structural schematic diagram of the lunch break chair of the utility model at the push and support position;

[0030] Figure 7 It is a cross-sectional view of the nap chair described in the utility model at the headrest.

[0031] Description of reference numerals:

[0032] 10. Chair legs; 101. Chair seat; 102. Rotating frame; 103. Rotating shaft; 104. Slideway;

[0033] 1011, concave groove;

[0034] 1021, arc-shaped groove; 1022, latch plate; 1023, linkage rod; 1024, handle; 1025, strip hole; 1026, travel axis; 1027, handrail limit block; 1028, arc-shaped travel groove;

[0035] 20, chair back; 201, back support; 202, lumbar support; 203, frame;

[0036] 2031, limiting shaft; 2032, limiting tooth;

[0037] 2011, spine support structure; 2012, shoulder blade support structure; 2013, ball head protrusion; 2014, slide rail;

[0038] 30. Handrail; 301. Travel cam;

[0039] 40. Headrest;

[0040] 50. Sliding rack; 51. Leg rest;

[0041] 501, inner core rod; 502, protrusion; 511, limit block; 512, baffle. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0043] In addition, it should be noted that the terms "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element of the present invention must have a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0044] When an element is referred to as being “fixed to” or “disposed on” or “provided on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0045] Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0046] Example

[0047] Please refer to Figure 1 , Figure 2 and Figure 3 As shown, the present embodiment provides a nap-type chair, comprising 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 is arranged on the top of the chair leg 10 for rotation, swinging or positioning and locking, and the chair back 20 is arranged on one side of the chair surface 101; a back support 201 and a lumbar support 202 are arranged on the chair back 20, a spinal support structure 2011 and a shoulder condyle support structure 2012 are arranged on the back support 201, and a plurality of ball head protrusions 2013 are arranged on the spinal support structure 2011 and the shoulder condyle support structure 2012.

[0048] Specifically, a chair back 20 is rotatably installed on one side of the chair leg 10 to adjust the angle between the chair back 20 and the seat surface 101, and then adjusted to a posture suitable for resting. For example, it can be adjusted to an angle of 120°, 135°, 160° or 180° with the seat surface 101, etc. For example, it can be adjusted flat for resting, providing a function for taking a comfortable lunch break.

[0049] Furthermore, a ball head protrusion 2013 structure is designed on the back support 201 to massage the human spine and shoulder blades. The friction or pressing between the ball head protrusion 2013 and the human body can form a certain massage effect, which can relieve fatigue. At the same time, a lumbar support 202 is installed on the chair back 20 to support the waist of the human body, so that the user can maintain a good sitting posture. At the same time, the support of the lumbar support 202 and the back support 201 can effectively relieve fatigue after long-term sitting, thereby improving practicality.

[0050] like Figure 2 As shown, in this embodiment, the seat surface 101 is provided with an ergonomically designed concave groove 1011, that is, a concave surface that can fit the buttocks of a human body, can form a good support surface, is less likely to cause fatigue or pain when sitting for a long time, and improves comfort.

[0051] like Figure 4 As shown, in this embodiment, two rotating frames 102 are symmetrically arranged on one side of the top of the chair leg 10, and a rotating shaft 103 is arranged between the frame 203 of the chair back 20 and the rotating frame 102; an arc groove 1021 is arranged on the rotating frame 102, and a limit shaft 2031 that engages and slides with the arc groove 1021 is arranged on the frame 203; a limit tooth 2032 is arranged on the rotating end of the frame 203, and a tooth plate 1022 that engages and limits with the limit tooth 2032 is swingably arranged on the rotating frame 102, and a torsion spring can be installed on the swinging shaft of the tooth plate 1022 (a locking elastic force can be provided by the torsion spring), and a linkage rod 1023 is arranged between the tooth plates 1022 on the two rotating frames 102.

[0052] Specifically, the two rotating frames 102 and the chair back 20 are installed via the rotating shaft 103, so that the chair back 20 can rotate around the rotating shaft 103. In order to limit the rotation angle of the chair back 20, the rotation stroke can be limited by the cooperation between the arc groove 1021 and the limiting shaft 2031, that is, by artificially setting the arc length of the arc groove 1021, the rotation angle of the chair back 20 is limited.

[0053] Furthermore, in order to facilitate locking of the chair back 20, the frame 203 and the latch plate 1022 can be engaged and locked by the cooperation between the teeth and the tooth grooves (i.e., an incomplete gear is provided on the frame 203, and the latch plate 1022 is provided with corresponding internal teeth), and the tooth shape can be a ratchet tooth structure, so as to achieve the effect of locking when engaged. When contact locking is required, the linkage rod 1023 can be pulled to make the latch plate 1022 swing, and then the latch plate 1022 is separated from the frame 203, that is, the limiting tooth 2032 is separated from the latch plate 1022, and the chair back 20 can be rotated and adjusted at this time. After the linkage rod 1023 is reset, the engagement and locking are formed to achieve the positioning effect.

[0054] like Figure 1 As shown, in this embodiment, a handle 1024 is also provided on the tooth plate 1022. A handle 1024 is installed on the tooth plate 1022, so that there is a handle 1024 under the seat surface 101 for loosening the tooth plate 1022, which is convenient for operating to adjust the angle of the chair back 20 and improves the convenience of use.

[0055] like Figure 4 As shown, in this embodiment, a strip hole 1025 is provided on the rotating frame 102, and a stroke shaft 1026 engaged with the strip hole is provided on the latch plate 1022. Through the cooperation between the strip hole 1025 and the stroke shaft 1026, the rotation stroke of the latch plate 1022 can be limited, so as to avoid excessive force driving the latch plate 1022, resulting in damage or destruction of the structure, thereby improving the safety of use and service life.

[0056] like Figure 5 As shown, this embodiment also includes an armrest 30, which is rotatably set on the rotating shaft 103, an armrest limit block 1027 is set on the rotating frame 102, an arc-shaped stroke groove 1028 is set on the limit block 511, and a stroke cam 301 engaged with the arc-shaped stroke groove 1028 is set on the rotating connecting end of the armrest 30.

[0057] By installing the armrests 30, a place for the hands can be provided, thereby improving the comfort of use; at the same time, the two armrests 30 can also form a protective structure to prevent the user from falling from the side of the chair when taking a nap, thereby providing protection.

[0058] Specifically, the armrest limit block 1027 can be cylindrical and fixedly locked on the rotating frame 102, and the rotating end of the armrest 30 is sleeved through a matching groove. Further, the rotation stroke of the armrest 30 is limited by the cooperation of the arc-shaped stroke groove 1028 and the stroke convex shaft 301, and the armrest 30 is limited and fixed at the same time to provide support for the human hand.

[0059] The handrail 30 can be rotated, so that in case of emergency escape, the handrail can be rotated to avoid being an obstacle to escape.

[0060] In addition, the seat surface is provided with a concave-convex shape adapted to the buttocks to prevent the user from sliding down, so that the user can improve the comfort whether sitting or lying. At the same time, the armrest 30 is also provided with a massage protrusion, which can also increase the resistance of the hand sliding down from the armrest when the user lies on the armrest 30.

[0061] like Figure 1 and Figure 7 As shown, the present embodiment also includes a headrest 40, and a slide rail 2014 is provided on the back of the back support 201, and the headrest 40 is arranged on the slide rail 2014 for lifting and sliding. A vertical rod is provided on the headrest 40 to cooperate with the slide rail 2014 for lifting and sliding, and the friction force can be increased by the cooperation of rubber, so that the headrest 40 can be lifted and slid only under the driving of a certain force, and when it is stationary, it can stop on the slide rail 2014, forming a stepless adjustment, and also providing the convenience of adjustment.

[0062] like Figure 2 and Figure 6 As shown, this embodiment also includes a sliding frame rod 50 and two leg supports 51 symmetrically and rotatably arranged on one end of the sliding frame. A sliding groove 104 is arranged in the horizontal direction on the top of the chair leg 10. The sliding groove 104 is located below the seat surface 101, and the other end of the sliding frame rod 50 is telescopically slidable in the sliding groove 104.

[0063] Specifically, the sliding frame is pulled along the slide groove 104 to move the two leg rests 51 horizontally to the front of the nap chair, and the leg rests 51 are rotated to unfold for the user to place their legs, thereby providing foot support and improving rest comfort. When the leg rests 51 are stored, the leg rests 51 can be rotated and the sliding frame can be retracted so that the leg rests 51 are hidden under the chair surface 101, making the structural design compact.

[0064] Furthermore, in this embodiment, an inner core rod 501 is vertically arranged at one end of the sliding frame rod 50, and two leg supports 51 are symmetrically and rotatably arranged on the inner core rod 501; a protrusion 502 located on one side of the inner core rod 501 is arranged on the sliding frame rod 50, and a limiting block 511 is arranged on the rotating end of the leg support 51, which is pressed against one side of the protrusion 502 to expand or pressed against the other side of the protrusion 502 to be stored.

[0065] Specifically, the sliding frame rod 50 may be a "T"-shaped structure, the inner core rod 501 is a horizontal rod, and the main body of the sliding frame rod 50 is a vertical rod, which is slidably sleeved in the slide groove 104 to form a telescopic movable leg support 51. The inner core rod 501 is rotatably sleeved with the leg support 51, and in order to facilitate position limiting, the protrusion 502 is set as a 90° arc block, and is arranged to be connected to the inner core rod 501, and the limit block 511 is also a 90° arc block, so that the maximum rotation angle of the leg support 51 is 180°.

[0066] When the leg rest 51 rotates to the front side, the extension end of the leg rest 51 is away from the chair back 20, and the protrusion 502 is installed on the semicircle away from the chair back 20 and is located in the 90° area of ​​the upper half of the semicircle. Figure 6 As shown in the coordinate axis, the protrusion 502 is in the positive area of ​​the X-axis and the Y-axis, and the stopper 511 is pressed against the side of the protrusion 502 on the Y-axis to form a limit, so that the leg support 51 will not continue to rotate, forming a support. When folded, the stopper 511 is pressed against the side of the protrusion 502 on the X-axis to be placed under the seat surface 101.

[0067] like Figure 2 and Figure 6 As shown, in this embodiment, an upwardly curved baffle 512 is provided on the side of the leg rest 51 away from the other leg rest 51. The baffle 512 can form a certain blocking effect to prevent the legs from sliding from the side, thereby improving the convenience of use.

[0068] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A lunch break chair, characterized in that: include: The chair legs have a seat surface disposed on the top surface thereof; and A chair back, which is rotatably swingable or positionally locked and arranged on the top of the chair legs, and the chair back is arranged on one side of the chair seat; The chair back is provided with a back support and a lumbar support, the back support is provided with a spine support structure and a shoulder blade support structure, and the spine support structure and the shoulder blade support structure are provided with a plurality of ball head protrusions.

2. The nap chair according to claim 1, characterized in that: Two rotating frames are symmetrically arranged on one side of the top of the chair leg, and a rotating shaft is arranged between the frame of the chair back and the rotating frame; The rotating frame is provided with an arc-shaped groove, and the frame body is provided with a limiting shaft engaged with the arc-shaped groove; A limiting tooth is arranged on the rotating end of the frame body, a latch plate which is engaged and limited with the limiting tooth is swingably arranged on the rotating frame, and a linkage rod is arranged between the latch plates on the two rotating frames.

3. The nap chair according to claim 2, characterized in that: The latch plate is also provided with a handle.

4. The nap chair according to claim 2, characterized in that: The rotating frame is provided with a strip-shaped hole, and the latch plate is provided with a travel shaft engaged with the strip-shaped hole.

5. The nap chair according to claim 2, characterized in that: It also includes an armrest, which is rotatably arranged on the rotating shaft, an armrest limit block is arranged on the rotating frame, an arc-shaped stroke groove is arranged on the limit block, and a stroke convex shaft engaged with the arc-shaped stroke groove is arranged on the rotating connecting end of the armrest.

6. The nap chair according to claim 1, characterized in that: The chair surface is provided with an ergonomically designed concave groove.

7. The nap chair according to claim 1, characterized in that: It also includes a headrest, a slide rail is arranged on the back of the back support, and the headrest is arranged on the slide rail so as to be lifted and slidable.

8. The nap chair according to claim 1, characterized in that: It also includes a sliding frame rod and two leg supports symmetrically and rotatably arranged on one end of the sliding frame. A sliding groove is arranged in the horizontal direction on the top of the chair leg, and the sliding groove is located below the chair surface. The other end of the sliding frame rod is telescopically slidable in the sliding groove.

9. The nap chair according to claim 8, characterized in that: An inner core rod is vertically arranged at one end of the sliding frame rod, and the two leg supports are symmetrically and rotatably arranged on the inner core rod; The sliding frame rod is provided with a protrusion located on one side of the inner core rod, and the rotating end of the leg support is provided with a limiting block that is pressed against one side of the protrusion to expand or pressed against the other side of the protrusion to be stored.

10. The nap chair according to claim 8 or 9, characterized in that: An upwardly curved baffle is arranged on the side of the leg rest away from the other leg rest.

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