CN211910919U - Table and chair - Google Patents

Abstract

The utility model discloses a table and chair, which comprises a table and a chair, wherein the table comprises a table body and a support frame connected on the tabletop of the table body, and the fixed angle of the top surface of the support frame relative to the tabletop is adjustable; the chair comprises a chair body and a lower hem hinged to the front side of the chair body through a first rotating shaft, and the lower hem is provided with a connecting structure which is detachably connected with the supporting frame into a whole. When having a rest, the support frame in the lower hem and the desk in the chair can even be as an organic whole and form a slope, can make the user half lie the rest, and the locking between lower hem and the support frame makes the desk can not be because the back leans on backward and is promoted forward, and the comfort level is higher, can alleviate the intervertebral disc atress, and back muscle also can be in the rest position, all is good to alleviating fatigue, student's growth and development.

Description

Table and chair

Technical Field

The utility model relates to the field of daily necessities, in particular to a table chair.

Background

At present, students can only lie prone on a desk for noon break due to the structural limitation of split desks and chairs when having noon break in school. Rest lies prone during noon break, intervertebral disc atress can increase, and back muscle can be elongated, influences student's growth and development, easily humpback, and the comfort level is relatively poor.

Therefore, how to provide a table and chair capable of resting more comfortably is a technical problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a table and chair that can rest more comfortably.

In order to achieve the above object, the utility model provides a following technical scheme:

a table and chair comprises a table and a chair, wherein the table comprises a table body and a support frame connected to the tabletop of the table body, and the fixed angle of the top surface of the support frame relative to the tabletop is adjustable; the chair comprises a chair body and a lower hem hinged to the front side of the chair body through a first rotating shaft, and a connecting structure which is connected with the supporting frame in a detachable mode is arranged on the lower hem.

Preferably, the lower hem comprises a first plate and a second plate, the first rotating shaft and the second rotating shaft are respectively arranged on two opposite sides of the first plate, and the second plate is hinged to the second rotating shaft.

Preferably, a locking tooth surface is arranged on the second plate, and a matching tooth surface locked with the locking tooth surface is arranged on the top surface of the support frame.

Preferably, the chair body comprises a seat board, a chair back and support legs fixed on the lower side of the seat board, and two vertex angles at the rear end of the seat board are arranged inwards to enable the seat board to form a T-shaped structure; the lower end of the chair back is fixedly connected with the part which protrudes backwards in the middle of the rear side of the seat board.

Preferably, the supporting frame comprises a supporting plate and a positioning plate, the supporting plate is hinged to the table body through a supporting rotating shaft arranged at the rear end of the tabletop of the table body, the positioning plate is supported between the tabletop of the table body and the bottom surface of the supporting plate, and the supporting position or the length of the positioning plate is adjustable.

Preferably, the leg includes a front leg and a rear leg provided at a rear side of the front leg, and the rear leg extends obliquely rearward in a downward direction.

Preferably, the bottom of the table body and the bottom of the chair body are respectively provided with a height adjuster.

Preferably, the height adjuster comprises a thin tube fixed on the table body or the chair body, a C-shaped thick tube sleeved outside the thin tube, and a locking structure for locking the thin tube and the thick tube; the locking structure is including locating the C shape lantern ring in the thick pipe outside, locate respectively two otic placodes of two free ends of the C shape lantern ring with be used for adjusting two interval between the otic placode is in order to adjust the C shape lantern ring is right the tubule with the fitting pin of the locking force of thick pipe.

Preferably, the locking pin comprises a positioning pin which is simultaneously inserted into the through holes of the two ear plates and a cam handle which is rotatably connected to the positioning pin through a locking rotating shaft, the cam handle is arranged on the same side of the two ear plates, and the positioning end of the positioning pin is positioned on the other side of the two ear plates; the cam handle is abutted between the locking rotating shaft and one of the lug plates and positions the two lug plates with the positioning end, and the distance between the two lug plates is adjusted through rotation of the cam handle.

Preferably, a matched positioning tooth surface is arranged between the outer peripheral surface of the thin tube and the inner peripheral surface of the thick tube.

The utility model provides a table and chair, which comprises a table and a chair, wherein the table comprises a table body and a support frame connected on the tabletop of the table body, and the fixed angle of the top surface of the support frame relative to the tabletop is adjustable; the chair comprises a chair body and a lower hem hinged to the front side of the chair body through a first rotating shaft, and the lower hem is provided with a connecting structure which is detachably connected with the supporting frame into a whole.

When having a rest, the support frame in the lower hem and the desk in the chair can even be as an organic whole and form a slope, can make the user half lie the rest, and the locking between lower hem and the support frame makes the desk can not be because the back leans on backward and is promoted forward, and the comfort level is higher, can alleviate the intervertebral disc atress, and back muscle also can be in the rest position, all is good to alleviating fatigue, student's growth and development.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a front view of a chair in a table and chair provided by the present invention;

FIG. 2 is a side view of a chair in a table and chair provided by the present invention;

FIG. 3 is a top view of a seat plate in a table and chair provided by the present invention;

FIG. 4 is a side view of a table and chair provided by the present invention;

FIG. 5 is a structural view of a connecting portion of a lower hem and a supporting frame in the seat provided by the present invention;

FIG. 6 is a partial block diagram of a height adjuster in the seat of the present invention;

FIG. 7 is a top view of the height adjuster in the seat provided by the present invention with the cam handle open;

fig. 8 is a top view of the height adjuster in the seat provided by the present invention in a locked state of the cam handle.

Reference numerals:

1-chair back, 2-chair plate, 3-lower hem, 31-first plate, 32-second plate, 33-first rotating shaft, 34-second rotating shaft, 35-locking tooth surface, 4-supporting leg, 41-rear leg, 5-supporting frame, 51-supporting plate, 52-positioning plate, 53-supporting rotating shaft, 54-matching tooth surface, 6-table body, 7-height adjuster, 71-positioning tooth surface, 72-thin tube, 73-thick tube, 74-C-shaped lantern ring, 75-ear plate, 76-positioning end, 77-cam handle, 78-locking rotating shaft and 79-positioning pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a table and chair which can rest more comfortably.

It will be understood that when an element is referred to as being "secured" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The utility model provides a table chair specifically can use as student's table chair, and in a concrete embodiment, this table chair includes desk and chair. The table comprises a table body 6 and a supporting frame 5 connected to the table top of the table body 6, wherein the fixed angle of the top surface of the supporting frame 5 relative to the table top is adjustable. The chair includes the chair body and articulates in the lower hem 3 of chair body front side through first pivot 33, sets up on the lower hem 3 and can dismantle with support frame 5 and be connected connection structure as an organic whole.

When a user has a rest, the orientation of the table and the angle of the support frame 5 relative to the table top are adjusted, so that the top surface of the support frame 5 is in a state of being high in the front and low in the back, the chair is placed on the back side of the table, the lower hem 3 is upwards rotated, as shown in fig. 4, the lower hem 3 is connected to the support frame 5, the top surface of the lower hem 3 and the top surface of the support frame 5 form a plane approximately, and the user lies on the integrated structure formed by connecting the support frame 5 and the lower hem 3 facing the back side, so that the comfort. When the desk and chair is normally used, the lower hem 3 is detached from the support frame 5, a user sits on the chair facing the front side, and the angle of the support frame 5 relative to the desktop is adjusted, so that the support frame 5 meets the requirements of reading and writing.

Adopt the table chair that this embodiment provided, when noon break, support frame 5 in the lower hem 3 and the desk in the chair can be even as an organic whole and form a slope, can make the user half lie the rest, and the locking between lower hem 3 and the support frame 5 makes the desk can not be promoted forward because the back leans on backward, and the comfort level is higher, can alleviate the intervertebral disc atress, and back muscle also can be in the rest position, all is good to alleviating fatigue, student's growth.

Further, referring to fig. 4, the lower swing 3 includes a first plate 31 and a second plate 32, two opposite sides of the first plate 31 are respectively provided with a first rotating shaft 33 and a second rotating shaft 34, and the second plate 32 is hinged to the second rotating shaft 34. The end of the first plate 31 far away from the second plate 32 is connected with the front end of the chair body, and the end of the second plate 32 far away from the first plate 31 is in a free state. The second plate member 32 is rotatable relative to the second shaft 34 in a range of 0 to 180 °, and the two extreme states are a folded state and a flat state, respectively. In addition, when the first plate 31 and the second plate 32 move relatively to the maximum allowable included angle, an arc-shaped plate may be specifically formed.

In this embodiment, the lower hem 3 is formed by the first plate 31 and the second plate 32, when the lower hem 3 is adjusted upwards, the angle between the first plate 31 and the second plate 32 is also adjustable, as shown in fig. 1, the lower hem 3 is changed into the state E after sequentially passing through the state a, the state B, the state C and the state D, and then can be connected to the supporting frame 5, so that the collision caused by the interference between the lower hem 3 and the table when the lower hem 3 is turned upwards can be avoided. When the lower hem 3 is changed from the state A and the state B to the state C in sequence, the folding angle of the lower hem 3 is gradually increased, so that the lower hem can be rotated to the position above the table in a small space to be changed into the state D, and the lower hem can be effectively carried without adjusting the relative position between the table and the chair.

Further, referring to fig. 5, a locking tooth surface 35 is arranged on the second plate 32, a matching tooth surface 54 locked with the locking tooth surface 35 is arranged on the top surface of the supporting frame 5, and when the lower pendulum 3 is unfolded to a maximum angle and is in a horizontal state, the locking tooth surface 35 is arranged on the lower surface of the second plate 32, so that after the lower pendulum 3 is lapped on the supporting frame 5, the locking tooth surfaces are buckled to realize the positioning connection of the locking tooth surface and the locking tooth surface, and the operation is convenient. Of course, in other embodiments, the lower hem 3 and the supporting frame 5 can be connected by screws to realize detachable connection.

Further, referring to fig. 1 and 3, the chair body includes a chair back 1, a chair plate 2 and legs 4 fixed to the underside of the chair plate 2. The lower hem 3 is hinged to the front end of the seat plate 2 through a first rotating shaft 33, two vertex angles at the rear end of the seat plate 2 are arranged inwards forwards, so that the seat plate 2 forms a T-shaped structure, and correspondingly, as shown in figure 1, the lower end of the chair back 1 is fixedly connected to a part protruding backwards in the middle of the rear side of the seat plate 2. The chair back 1 is preferably also provided with a T-shaped configuration to accommodate the shape of the seat plate 2. When the chair back 1 is seated, the two legs are respectively placed at the two concave parts at the rear end of the seat plate 2, the gap between the two legs is not too wide, and the comfort level can be further improved.

Further, referring to fig. 4, the supporting frame 5 includes a supporting plate 51 and a positioning plate 52, the supporting plate 51 is hinged to the table body 6 through a supporting rotating shaft 53 disposed at the rear end of the top surface of the table body 6, and the top surface of the table body 6 is a table top of the table body 6. The positioning plate 52 is supported between the top surface of the table body 6 and the bottom surface of the supporting plate 51 with an adjustable supporting position. The back end of the supporting plate 51 is unchanged, and the front end can be adjusted in height under the action of the positioning plate 52. Specifically, the angle of the supporting plate 51 on the top surface of the table body 6 can be adjusted by adjusting the contact point position of the positioning plate 52 and the supporting plate 51, and the adjustment is convenient. Of course, in other embodiments, the positioning plate 52 may also be configured to have an adjustable length, and the angle of the supporting plate 51 can be adjusted by adjusting the length of the positioning plate 52.

Further, the support legs 4 include front legs and rear legs 41 disposed at the rear sides of the front legs, and the rear legs 41 are gradually inclined backward and extend in a downward direction, so that the support stability can be improved, and the chair can be prevented from being turned backward.

Further, the bottom of desk body 6 and the bottom of chair body are equipped with height adjuster 7 respectively to make desk body 6 and chair body relative height between them can carry out the adaptability adjustment according to user's height, with the comfort level that improves the use. Wherein the height adjuster 7 is connectable in particular to the bottom of the leg in the chair.

Further, the height adjuster 7 includes a thin tube 72 fixed to the table body 6 or the chair body, a C-shaped thick tube 73 fitted around the outer side of the thin tube 72, and a locking structure for locking the thin tube 72 and the thick tube 73. The locking structure comprises a C-shaped collar 74 arranged outside the thick tube 73, two lug plates 75 respectively arranged at two free ends of the C-shaped collar 74 and a locking pin for adjusting the distance between the two lug plates 75 so as to adjust the locking force of the C-shaped collar 74 to the thin tube 72 and the thick tube 73. Wherein the overlapping length of the thick tube 73 and the thin tube 72 is adjustable, so as to adjust the total length of the thick tube 73 and the thin tube 72, and the locking structure is locked at the position where the thick tube 73 and the thin tube 72 are overlapped. When the distance between the two ear plates 75 is adjusted, the size of the gap between the C-shaped thick tube 73 is correspondingly increased or decreased so as to clamp or loosen the thin tube 72. The height adjuster 7 is arranged through the thick pipe 73, the thin pipe 72 and the locking structure, and the height of the desk or the chair can be adjusted in a stepless mode.

Further, the locking pin includes a positioning pin 79 simultaneously inserted into the through holes of the two lug plates 75 and a cam knob 77 rotatably connected to the positioning pin 79 through a locking rotation shaft 78. The cam knob 77 is disposed on the same side of the two ear plates 75 and the locating tip 76 of the locating pin 79 is located on the other side of the two ear plates 75. The cam handle 77 abuts between the locking shaft 78 and one of the lugs 75, and the cam handle 77 and the positioning head 76 position the two lugs 75. The spacing between the two ear plates 75 can be adjusted by rotation of the cam knob 77. The tightness of the locking pin is adjusted by controlling the cam handle 77, the height of the height adjuster 7 can be adjusted without using an auxiliary tool, and the hand of a user is not easy to be injured during operation.

As shown in fig. 7, when the cam knob 77 is in the open state, the cam structure of the cam knob 77 is thinner and is pressed between the adjacent ear plates 75 and the locking rotation shaft 78, the distance between the two ear plates 75 is widened, and the C-shaped collar 74 has no pressing effect on the thick tube 73 and the thick tube 73 has no pressing effect on the thin tube 72.

As shown in fig. 8, when the cam knob 77 is rotated to the locking state, the thicker portion of the cam structure in the cam knob 77 abuts between the ear plate 75 and the locking rotation shaft 78, the distance between the two ear plates 75 is narrowed, and the C-shaped collar 74 presses the thick tube 73 and the thick tube 73 against the thin tube 72 to lock the thick tube 73 and the thin tube 72. In addition, in the locked state of the cam handle 77, the action force of the lug plate 75 directly contacting with the cam structure on the cam structure is perpendicular to the contact position of the cam structure and the lug plate 75, and the action line passes through the central line of the locking rotating shaft 78, so that the cam handle 77 does not have the twisting moment rotating relative to the locking rotating shaft 78, and the cam handle 77 cannot be automatically opened. After the cam knob 77 is turned to the locked state, the height of the height adjuster 7 is determined to be stable even when subjected to a pressure less than a set pressure, which can be set as desired, typically at least greater than the user's weight.

Further, referring to fig. 6, a positioning tooth surface 71 is provided between the outer circumferential surface of the narrow tube 72 and the inner circumferential surface of the wide tube 73, and the supporting force provided by the height adjuster can be provided by the engagement force between the positioning tooth surfaces 71 and the friction force between the wide tube and the narrow tube, so that the locking force between the narrow tube 72 and the wide tube 73 can be increased, and the narrow tube 72 is prevented from sliding down relative to the wide tube 73.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The table and chair provided by the utility model is described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. A table and chair, comprising a table and a chair, characterized in that the table comprises a table body (6) and a support frame (5) connected to the table top of the table body (6), the top surface of the support frame (5) is adjustable relative to the fixed angle of the table top; the chair comprises a chair body and a lower hem (3) hinged to the front side of the chair body through a first rotating shaft (33), and a connecting structure which is detachably connected with the supporting frame (5) into a whole is arranged on the lower hem (3).

2. The table and chair according to claim 1, characterized in that the lower swing (3) comprises a first plate (31) and a second plate (32), the first plate (31) is provided with a first rotating shaft (33) and a second rotating shaft (34) at two opposite sides, and the second plate (32) is hinged to the second rotating shaft (34).

3. A table and chair according to claim 2, wherein the second plate (32) is provided with a locking flank (35) and the top surface of the support frame (5) is provided with a mating flank (54) which is locked with the locking flank (35).

4. The chair as claimed in claim 1, wherein the chair body comprises a seat plate (2), a chair back (1) and legs (4) fixed on the lower side of the seat plate (2), and two vertex angles at the rear end of the seat plate (2) are arranged inwards forwards, so that the seat plate (2) forms a T-shaped structure; the lower end of the chair back (1) is fixedly connected with the part which protrudes backwards in the middle of the rear side of the seat board (2).

5. The table and chair of claim 4, wherein the supporting frame (5) comprises a supporting plate (51) and a positioning plate (52), the supporting plate (51) is hinged to the table body (6) through a supporting rotating shaft (53) arranged at the rear end of the table top of the table body (6), the positioning plate (52) is supported between the table top of the table body (6) and the bottom surface of the supporting plate (51), and the supporting position or the length of the positioning plate (52) is adjustable.

6. A table and chair according to claim 4, wherein the legs (4) comprise a front leg and a rear leg (41) provided at the rear side of the front leg, the rear leg (41) extending obliquely rearwardly in a downward direction.

7. Table and chair according to any of claims 1 to 6, characterised by the fact that the bottom of the table body (6) and the bottom of the chair body are provided with a height adjuster (7) respectively.

8. The table and chair of claim 7, wherein the height adjuster (7) comprises a thin tube (72) fixed on the table body (6) or the chair body, a C-shaped thick tube (73) sleeved outside the thin tube (72), and a locking structure for locking the thin tube (72) and the thick tube (73); the locking structure comprises a C-shaped lantern ring (74) arranged on the outer side of the thick pipe (73), two lug plates (75) arranged at two free ends of the C-shaped lantern ring (74) and a locking pin used for adjusting the distance between the lug plates (75) so as to adjust the locking force of the C-shaped lantern ring (74) on the thin pipe (72) and the thick pipe (73).

9. The table and chair of claim 8, wherein the locking pin comprises a positioning pin (79) which is inserted into the through holes of the two ear plates (75) at the same time and a cam handle (77) which is rotatably connected to the positioning pin (79) through a locking rotating shaft (78), the cam handle (77) is arranged on the same side of the two ear plates (75), and the positioning end (76) of the positioning pin (79) is arranged on the other side of the two ear plates (75); the cam handle (77) abuts against the locking rotating shaft (78) and one of the lug plates (75) and positions the two lug plates (75) together with the positioning end head (76), and the distance between the two lug plates (75) is adjusted through rotation of the cam handle (77).

10. The table and chair according to claim 8, characterized in that a matching positioning tooth surface (71) is provided between the outer circumferential surface of the thin tube (72) and the inner circumferential surface of the thick tube (73).

Images