Desk with adjustable height
Technical Field
The utility model relates to the field of adjustable desks, in particular to a desk with adjustable height.
Background
The desk is an article for daily life, the desk is a type of desk, the desk is a common furniture, the manufacturing raw materials are wood, the upper part of the desk is provided with a plane, the lower part of the desk is provided with a support column, things can be put on the desk, things can be done, the desk can be eaten, the writing and the working can be carried out, the desk is a furniture fixed by smooth flat plates, legs and other supports, the desk can also be used as noumenon in Chinese, the type of the desk is rich and various, the desk can be divided into a plurality of types such as office desks, dining tables, desks, computer desks, lecterns and the like according to requirements, and generally, the desks are mainly used by schools at all levels of schools, juniors and high schools;
The existing height-adjusting desk generally uses a servo system and a driving system to lift when being adjusted, but the desk has higher production cost, higher damage and maintenance difficulty and is not suitable for teaching the use scene of using more desks.
Therefore, it is necessary to provide a desk with an adjustable height to solve the above problems.
Disclosure of utility model
The utility model aims to provide a desk with adjustable height, which solves the problem that an electric desk is not suitable for teaching scenes.
In order to achieve the purpose, the utility model provides the technical scheme that the desk with the adjustable height comprises a desk body and two desk legs for supporting the desk body, wherein the upper ends of the desk legs are provided with gear cavities, the inner sides of the gear cavities are movably provided with connecting plates, the lower end of the desk body is fixedly provided with two fixing frames, and the connecting plates are fixedly connected with the inner walls of the fixing frames;
A driving gear is rotationally arranged on the inner side of the gear cavity, a toothed plate is fixedly arranged at one end of the connecting plate, and the driving gear and the toothed plate are meshed with each other;
A connecting rod is movably arranged between the two table legs, the end part of the connecting rod is fixedly connected with a corresponding driving gear, and two triangular plates are fixedly arranged on the outer side of the connecting rod.
Preferably, an auxiliary gear is rotatably arranged on the inner side of the gear cavity, and the auxiliary gear and the toothed plate are meshed with each other.
Preferably, one end of the driving gear is fixedly provided with a first clamping disc, a first clamping hole is formed in the inner wall of the gear cavity corresponding to the first clamping disc, and the first clamping disc is clamped inside the first clamping hole.
Preferably, a second clamping disc is fixedly arranged at one end of the driving gear, a second clamping hole is formed in the inner wall of the gear cavity corresponding to the second clamping disc, and the second clamping disc is clamped at the inner side of the second clamping hole.
Preferably, the first clamping disc and the second clamping disc are arranged in a gear shape.
Preferably, the outside of the triangle is provided with a plurality of grooves, the inner sides of the grooves are fixedly provided with pedals, and the pedals are obliquely arranged.
The utility model has the technical effects and advantages that:
1. Through the arrangement of the driving gear and the connecting plate, when a user needs to lift the desk body, the user can lift the desk body in a stepping mode to replace servo driving lifting, so that the desk has low production cost, simple adjustment mode and convenient large-scale popularization, and is suitable for occasions such as schools;
2. Through the setting of set square, when not only facilitating the use person adjusts desk body height, the user can also take the foot on set square or connecting rod, and convenient to use person provides a comfortable position of sitting when using the desk, improves the long-time comfort of sitting in front of the desk.
Drawings
Fig. 1 is a schematic view of a desk with a height adjustable first view angle according to the present utility model.
Fig. 2 is a schematic view of a desk with a height adjustable second view angle according to the present utility model.
Fig. 3 is a schematic view of the gear cavity structure of the present utility model.
Fig. 4 is a schematic view of the structure of the driving gear and the auxiliary gear of the present utility model.
The desk comprises a desk body, desk legs, a fixing frame, a connecting plate, a gear cavity, a driving gear, a7 auxiliary gear, a 8 toothed plate, a 9 first clamping disc, a 10 first clamping hole, a 11 second clamping disc, a 12 second clamping hole, a 13 connecting rod, a 14 triangular plate, a 15 groove, a 16 pedal and a pedal.
Detailed Description
The utility model provides a desk with adjustable height, which is shown in fig. 1-4, and comprises a desk body 1 and two desk legs 2 for supporting the desk body 1, wherein the desk body 1 is a conventional student desk, the desk body 1 is provided with a desk hole, as shown in fig. 1, the desk hole is mainly used for storing books, the desk body 1 is the prior art, too much description is not made here, the desk legs 2 are mainly used for supporting the desk body 1, the prior art is not made here, the upper ends of the desk legs 2 are provided with gear cavities 5, the inner sides of the gear cavities 5 are movably provided with connecting plates 4, two fixing frames 3 are fixedly arranged at the lower ends of the desk body 1, the connecting plates 4 are fixedly connected with the inner walls of the fixing frames 3, the connecting plates 4 ascend or descend, the fixing frames 3 are driven to ascend or descend by the connecting plates 4, and the desk body 1 is driven to ascend or descend by the fixing frames 3.
The inside rotation of gear chamber 5 is equipped with driving gear 6, connecting plate 4 one end is fixed and is equipped with pinion rack 8, driving gear 6 and pinion rack 8 intermeshing, the activity is equipped with connecting rod 13 between two table legs 2, connecting rod 13 tip fixed connection is corresponding driving gear 6, rotate connecting rod 13, drive two driving gears 6 simultaneously and remove, two driving gears 6 drive corresponding pinion rack 8 and rotate, pinion rack 8 drives connecting plate 4 and removes, connecting plate 4 drives mount 3 and removes, mount 3 drives desk body 1 and removes, adjust the height of desk body 1, connecting rod 13 outside is fixed and is equipped with two set square 14, the mode that the user stepped on through the foot is adjusted, step on set square 14, make set square 14 drive connecting rod 13 and rotate.
The inside rotation of gear chamber 5 is equipped with auxiliary gear 7, and auxiliary gear 7 and pinion rack 8 intermesh, through driving gear 6 and auxiliary gear 7's setting, restrict the direction of movement of connecting plate 4, guarantee that connecting plate 4 only can reciprocate.
One end of one driving gear 6 is fixedly provided with a first clamping disc 9, a first clamping hole 10 is formed in the inner wall of the gear cavity 5 corresponding to the first clamping disc 9, the first clamping disc 9 is clamped inside the first clamping hole 10, one end of the other driving gear 6 is fixedly provided with a second clamping disc 11, a second clamping hole 12 is formed in the inner wall of the gear cavity 5 corresponding to the second clamping disc 11, the second clamping disc 11 is clamped inside the second clamping hole 12, the shapes of the first clamping disc 9 and the second clamping disc 11 are all in gear-shaped arrangement, and meanwhile, the first clamping hole 10 and the second clamping disc 11 are in gear-shaped arrangement for clamping the first clamping disc 9 and the second clamping disc 11, and the shapes of the first clamping hole 10 and the second clamping hole 12 are also in gear-shaped arrangement as shown in fig. 4.
The user steps on the set square 14 with the foot for set square 14 drives connecting rod 13 and rotates, before stepping on set square 14, promotes set square 14 with the foot, makes first joint dish 9 and second joint dish 11 break away from first joint hole 10 and second joint hole 12, can initiative connecting rod 13, after adjusting desk body 1 to suitable height, inserts first joint dish 9 and second joint dish 11 inside first joint hole 10 and the second joint hole 12 again, fixes connecting rod 13, with this height of fixing desk body 1.
Through the setting of driving gear 6 and connecting plate 4, when the user needs lift desk body 1, can go up and down desk body 1 through the mode of stepping on by foot, replace servo drive and go up and down, its manufacturing cost is lower to the regulation mode is simple, is convenient for carry out extensive popularization, is applicable to this kind of occasion of school.
The set square 14 outside has seted up a plurality of recesses 15, the inboard fixed footboard 16 that is equipped with of recess 15, footboard 16 is the slope setting, operating personnel can put the foot inboard at recess 15 when stepping on set square 14, step on pedal 16, be convenient for control set square 14, through set square 14's setting, when not only facilitating the use person adjusts desk body 1 height, the user can also take the foot on set square 14 or connecting rod 13, the user of being convenient for provides a comfortable position of sitting when using the desk, improve the comfort of sitting in front of the desk for a long time.