Combined desk and chair with correcting function
Technical Field
The utility model relates to the technical field of desks and chairs, in particular to a combined desk and chair with a correcting function.
Background
The desk and chair are indispensable facilities in education places such as schools, training institutions and the like, are mainly used for activities such as lessons, study, writing and the like of students, are generally composed of a desktop, a chair surface and a supporting structure, and are designed by considering the principle of ergonomics so as to ensure that the students can use comfortably.
Most of the existing school desks are flat, no limiting structure is arranged, students can prone to sit on the desktop easily during use, so that reading and writing postures are not right, sitting depth is difficult to adjust during use of the existing school chairs, and when students with short heights sit, the back of the students cannot be effectively supported by the backrest, and the problem of irregular sitting postures can be caused.
Therefore, we propose a combined desk and chair with correction function to solve the above problems.
Disclosure of utility model
The utility model aims to provide a combined desk and chair with a correcting function, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a combination formula desk chair with correction function, includes table, chair board and flexible landing leg, flexible landing leg is installed respectively in the below both sides of table and chair board, the table is still installed at the middle part under the table and is taken turns to cover through the rotation of dead lever in the mounting groove, and is connected with the pole setting on turning to cover, slip on the pole setting has cup jointed the loop bar, and the top of loop bar is installed a pair of gasbag pads through correcting the horizontal pole;
The two sides of the chair plate are symmetrically provided with sliding rods, the sliding rods are provided with backrest through supporting rods, the vertical rods are connected with the sleeve rods through first lock sleeves, and the supporting rods are connected with the sliding rods through second lock sleeves.
In a further embodiment, the telescopic support leg comprises a T-shaped underframe and a movable rod movably penetrating through the upper end of the T-shaped underframe, a plurality of positioning holes are formed in the surface of the movable rod along the vertical direction, and bolts matched with screw holes in the surface of the movable rod are screwed on the external threads of the T-shaped underframe.
In a further embodiment, a barrier strip is arranged on the inner wall of the mounting groove, a raised line is arranged on the side wall of the rotating sleeve, and the raised line is overlapped above the barrier strip when the vertical rod is rotated to be vertically upwards.
In a further embodiment, the front movable mounting of the first lock sleeve has a pressing block, one end of the pressing block extending into the first lock sleeve is connected with a conical block, two sides of the conical block are tightly adhered with wedge blocks, the wedge blocks are connected with clamping blocks through connecting rods, the clamping blocks are adhered to the outer wall of the vertical rod, and springs are sleeved outside the connecting rods.
In a further embodiment, a plurality of clamping bars are arranged on the outer side wall, close to the clamping block, of the vertical rod along the length direction.
In a further embodiment, the inner ring of the first lock sleeve is also rotatably provided with a roller, and the roller is attached to the outer wall of the upright rod.
In a further embodiment, the first sleeve is identical to the second sleeve in its internal structure.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the fixed rod, the rotating sleeve, the vertical rod, the loop rod, the correcting cross rod and the air bag cushion form a limiting structure for blocking the chest part of the student, so that the student can be effectively prevented from lying on the desk, the sitting posture correcting effect is achieved, the limiting height can be telescopically adjusted between the rotating sleeve and the loop rod, the rotating sleeve and the fixed rod can rotate, the limiting structure can be conveniently stored in the desk drawer when the correcting cross rod is not used, and the correcting cross rod is more convenient to use.
According to the utility model, the supporting rod can be slidably adjusted relative to the sliding rod through the action of the second lock sleeve so as to adjust the position of the backrest, further adjust the sitting depth of the chair plate, and adaptively adjust students with different heights, so that the backrest can be tightly attached to the back of the student to provide support when the student sits, and the effect of correcting sitting postures is further achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a partial structure of the correction rail and table of the present utility model;
FIG. 3 is a schematic view of the structure of the joint of the fixed rod and the rotating sleeve after being partially cut away;
Fig. 4 is a schematic top view cross-sectional view of an installation of the pole and lock sleeve of the present utility model.
In the figure, 1, a table plate, 2, a chair plate, 3, a telescopic supporting leg, 31, a T-shaped underframe, 32, a bolt, 33, a movable rod, 4, a backrest, 5, a table drawer, 6, a mounting groove, 61, a blocking strip, 7, a fixed rod, 8, a rotating sleeve, 81, a convex strip, 9, a vertical rod, 91, a clamping strip, 10, a first lock sleeve, 101, a pressing block, 102, a conical block, 103, a wedge block, 104, a connecting rod, 105, a spring, 106, a clamping block, 107, a roller, 11, a sleeve rod, 12, a correction cross rod, 13, an air bag cushion, 14, a sliding rod, 15, a second lock sleeve, 16 and a supporting rod.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, a combined desk and chair with correction function includes a desk plate 1, a chair plate 2 and telescopic support legs 3, wherein the telescopic support legs 3 are respectively installed on two sides below the desk plate 1 and two sides below the chair plate 2, the telescopic support legs 3 include a T-shaped underframe 31 and a movable rod 33 movably penetrating through the upper end of the T-shaped underframe 31, the top end of the movable rod 33 is fixed with the desk plate 1 or the chair plate 2, a plurality of positioning holes are formed in the surface of the movable rod 33 along the vertical direction, and bolts 32 matched with screw holes in the surface of the movable rod 33 are screwed on the external threads of the T-shaped underframe 31, so that the telescopic support legs 3 are connected with screw holes of different heights through adjusting bolts 32 to control the telescopic length of the telescopic support legs 3, and further adjust the height of a desk or a chair.
Referring to fig. 1-3, a drawer 5 is further installed in the middle of the lower portion of the table board 1, and is used for accommodating books and learning tools, an installation groove 6 is formed in the edge of one side of the table board 1, which is open to the drawer 5, a fixed rod 7 is fixed in the installation groove 6, a rotating sleeve 8 is rotatably installed on the fixed rod 7, the rotating sleeve 8 rotates in the installation groove 6 around the fixed rod 7, a vertical rod 9 is connected to the rotating sleeve 8, a sleeve rod 11 is slidably sleeved on the vertical rod 9, the top end of the vertical rod 9 is inserted into the sleeve rod 11, the vertical rod 9 is connected with the sleeve rod 11 through a lock sleeve 10, a correcting cross rod 12 is vertically installed at the top end of the sleeve rod 11, a pair of air bag pads 13 are installed at two ends of the correcting cross rod 12, and when the table board is used, the chest of a student is abutted against the air bag pads 13, and therefore the student is prevented from being prone to be on a table top.
Referring to fig. 3, in order to ensure the stability of the limitation, a stop bar 61 is provided on the inner wall of the installation groove 6, a raised bar 81 is provided on the side wall of the rotating sleeve 8, and when the vertical rod 9 rotates vertically upwards, the raised bar 81 is overlapped above the stop bar 61, so as to limit the rotating sleeve 8, and prevent the rotating sleeve 8 from continuing to rotate towards the inner side of the installation groove 6 when the support is limited.
Referring to fig. 4, in order to conveniently lock the telescopic length between the upright rod 9 and the loop bar 11, a pressing block 101 is movably mounted on the front surface of the first lock sleeve 10, one end of the pressing block 101 extending into the first lock sleeve 10 is connected with a conical block 102, two sides of the conical block 102 are tightly attached with wedge blocks 103, one side, far away from the conical block 102, of the wedge blocks 103 is connected with clamping blocks 106 through connecting rods 104, the connecting rods 104 are of an L-shaped structure, the clamping blocks 106 are attached to the outer walls of the left side and the right side of the upright rod 9, springs 105 are sleeved outside the connecting rods 104, one end of each spring 105 is fixed with the first lock sleeve 10, and the other end of each spring 105 is fixed with a bump on the outer wall of each connecting rod 104, so that when the pressing block 101 is pressed, the conical block 102 is driven to push the clamping blocks 106 to be far away from the upright rod 9, and simultaneously the bumps on the connecting rods 104 are driven to press the springs 105 to be shortened, and when the pressing block 101 is released, the connecting rods 104 can be reset under the elastic action of the springs 105, and meanwhile the clamping blocks 106 are driven to be tightly attached to the upright rod 9, so that the position of the first lock sleeve 10 on the upright rod 9 is conveniently locked.
Referring to fig. 2-3, in order to improve locking firmness, a plurality of clamping strips 91 are provided on the outer side wall of the upright rod 9, which is close to the clamping block 106, along the length direction, and the clamping block 106 can be clamped between the adjacent clamping strips 91, so that the clamping block 106 can be limited by the clamping strips 91, and is not easy to slip, and locking is more stable.
Referring to fig. 4, in order to facilitate the sliding of the first lock sleeve 10 on the upright rod 9, the inner ring of the first lock sleeve 10 is rotatably provided with a roller 107, and the roller 107 is attached to the outer wall of the upright rod 9, so that the sliding friction resistance between the first lock sleeve 10 and the upright rod 9 is reduced due to the rolling action of the roller 107.
Referring to fig. 1, two sides of the chair plate 2 are symmetrically provided with horizontal slide bars 14, two lock sleeves 15 are sleeved outside the slide bars 14, support rods 16 are fixed on the two lock sleeves 15, the two support rods 16 are provided with a support for supporting the same backrest 4, the first lock sleeve 10 and the second lock sleeve 15 have the same internal structure, the surface of the slide bar 14 is also provided with a clamping strip 91 which is the same as the surface of the upright rod 9, so that the second lock sleeve 15 can be adjusted and locked on the slide bar 14, the front and back positions of the backrest 4 are adjusted, the adaptability adjustment is carried out for students with different heights, the backrest 4 can be tightly attached to the back of the students, and the effect of correcting sitting postures is further achieved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.