CN203207477U

CN203207477U - Table/chair lifting regulator

Info

Publication number: CN203207477U
Application number: CN 201320128443
Authority: CN
Inventors: 饶弘剑
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-20
Filing date: 2013-03-20
Publication date: 2013-09-25
Anticipated expiration: 2023-03-20

Abstract

The utility model provides a table/chair lifting regulator. More table legs are rectangular tubes and have an inner tube-outer tube structure, the upper end of an internal tube is fixed on a drawer frame, and the lower end of the inner tube is inserted in the outer tube. The table/chair lifting regulator is characterized in that a supporting plate and a connecting rod are arranged in each table leg. The supporting plate with one end being higher then the other end is obliquely arranged, and the middle part of the supporting plate is hinged to the lower end of the inner tube of the table leg. The lower end of the supporting plate is supported on the wall of the outer tube and increasingly tightened along with the gravity, and the inner tube is connected with the upper part of the table at the upper end of the inner tube so as to be fixed. The table can be regulated to go up and down when the supporting plate is released; the table can be positioned again after the supporting plate is returned. The higher end of the supporting plate is hinged with the lower end of the connecting rod, and the upper end of the connecting rod is provided with a horizontal key which extends out of the downside of a table top plate at the upper end of the inner tube. A user can upward press the key from table top plate, the connecting rod ascends to enable the lower end of the supporting plate to spirally separate from the inner tube for right doing the lifting regulation, hands are released after the regulation is finished, the connecting rod descends, the supporting plate supports the outer tube again to return the positioning state. The table and chair lifting regulator is direct and simple and capable of instantly completing the regulation.

Description

The tables and chairs lifting regulator

Technical field

The utility model relates to the up-down desk and chair in the furniture, the emphasis that its lift adjustment assembly relates to.

Background technology

Up-down desk and chair is more common in the lifting desk chair of school, plays irreplaceable effect to ensureing the pre-myopia prevention of SH and deformity of spine.Its regulative mode of existing up-down desk and chair can not be satisfactory.Modal is that the corresponding hole of a row respectively is set on the inner and outer pipes of table leg, and the interior pipe or the outer tube that pull are wherein regulated, and be fixing with tightening in the bolt-inserting hole after putting in place.Aforesaid operations needs another person that the desk end, and just can let go after the end.Hell to pay, too much like hard work.Also having of good operation.For example, adopt the transmission system comprise parts such as screw rod, sector gear, connecting rod, crank, brake(-holder) block, the mode by spiral realizes lift adjustment.This mode complex structure, cost height, fragile, the difficult reparation.Also have and adopt hydraulic pressure, that is just more complicated.Chinese patent " the semi-automatic angle modulation desk of heightening " number of patent application 201210064741.7 has disclosed a brand-new technology scheme different from the past in its application documents: table leg still is the inner and outer pipes structure, interior pipe upper end is fixed on the drawer frame side plate, and insert in the outer tube lower end.Different is, props up interior pipe location in the table leg with an end of a fagging.Last timing is directly holding desk top up to draw, and fagging is taken advantage of a situation and opened by band, is transferred to back, position relieving hand fagging and just props up interior pipe location again.Simple in structure, simple operation.But this mode also has weak point: the other end of fagging is arranged on the fixing table frame, owing to hand will be placed on frame on back down fagging when regulating downwards, pipe descends voluntarily in can only allowing, all disposed a cover damper in every table leg in order to slow down, this makes original simple structure become so not simple.

Summary of the invention

In order to overcome the above-mentioned deficiency of prior art, the utility model provides a kind of like this adjuster, no matter is to raise or downward modulation, and the operator can regulate as the operation pull bar in direct pull, and the i.e. location of letting go after putting in place does not have any additional move.Also want further simplified structure simultaneously.

For this reason, the utility model has been taked following technical scheme (owing to be the same with application chair at desk, so only be example with the desk):

The tables and chairs lifting regulator.Table leg is rectangular tube, the inner and outer pipes structure, and interior pipe is descending at upper exterior tube.The upper end of pipe is fixed on the lateral wall of drawer frame below the desktop in described, and insert in the outer tube lower end.Position lift adjustment more than pipe reaches in the pulling during adjusting.These all are as good as with conventional art.It is characterized in that: in table leg, be provided with a fagging and a connecting rod.Described fagging is rectangular plate-like, and a horizontal axle parallel with the plate face of fagging laterally is through the centre of fagging, manages on the tube wall of lower end in the two ends of described axle are fixed on.The high end of fagging one end is low tilting, stretches out the opening of low side from inner pipe wall, and support is on the tube wall of outer tube.In the pipe, high-end tip has a groove longitudinally in high-end being in, in the lower end insertion groove of described connecting rod, and the laterally inserted high-end and connecting rod lower end of another root axle, the two is hinged.The upper end of connecting rod is converted into 90 degree, stretches out from the upper end of interior pipe, and the end of stretching outside is provided with a horizontal button.Have a confession to wear the vertical seam of connecting rod on the tube wall of interior pipe upper end, the big I of seam satisfies pressing of described button.Adjustment process: thumb rides over the edge of desktop, and forefinger is held button, and one pinches, connecting rod rises thereupon, fagging rotates thereupon, and the fagging low side is outwarded winding from outer tube wall and made interior pipe be in free state, at this moment pinches the hand of desktop and just can hold desktop to make lift adjustment; Unclamp hand after adjusting puts in place, connecting rod descends because of deadweight, and fagging screws to original position again, props up outer tube wall again and gets back to positioning states.

Whole process is directly simple, and moment finishes.Owing to be directly to hold desktop to regulate, downward modulation does not need to slow down yet just not needs damper.

Description of drawings

Fig. 1 is the assembly schematic diagram of the utility model tables and chairs lifting regulator.One section is omitted as space is limited.

Fig. 2 is the local scheme of installation of assembly shown in Figure 1.

Fig. 3 is the partial schematic diagram after further installing.For ease of observing, among the figure desktop only with dashed lines mark the position that should account for.

Fig. 4 is the internal structure schematic diagram at position shown in Figure 3.Middle one section is omitted, as follows.

Fig. 5 is the dynamic key diagram of structure shown in Figure 4.

Fig. 6 is the schematic diagram of the another kind of compound mode of the utility model.

In specification and accompanying drawing, all the left side with picture is the front, is the back with the right side of picture.

Figure number and title: 1, connecting rod, 101, button, 2, fagging, 201, low side, 202, groove, 203, high-end, 3, a axle, 4, a axle, 5, interior pipe, 501, opening, 502, seam, 6, desktop, 7, drawer frame, 8, outer tube, 9, bolt.

The specific embodiment

Now by reference to the accompanying drawings concrete structure of the present utility model and operation principle are further described.

As shown in Figure 1, assembly of the present utility model comprises a fagging 2 and a connecting rod 1.Fagging 2 is overall rectangular tabular.A horizontal a axle 3 parallel with the plate face of fagging 2 laterally is through the centre of fagging 2, and fagging 2 can be in 3 rotations of a axle.The high end of fagging 2 one ends is low tilting, and low side 201 is wedge shape, high-end 203 tip have one longitudinally 202, vertical connecting rods of groove, 1 its lower end insert in groove 202, the lower end of b axle 4 laterally inserted high-end 203 and connecting rod 1, the two is hinged.The upper end of connecting rod 1 is converted into 90 degree, and its end has a horizontal button 101.

Said modules is installed in the table leg situation behind the pipe as shown in Figure 2, in the two ends of a axle 3 are separately fixed on the both sidewalls of pipe 5 lower ends.On the antetheca of interior pipe 5 lower ends an opening 501 is arranged, the low side 201 of fagging 2 is stretched from opening 501.The size of opening 501 is not to hinder the rotation degree of being of fagging 2.On the rear wall of interior pipe 5 upper ends a vertical seam 502 is arranged.Connecting rod 1 vertically be arranged in the pipe 5 in, be converted into 90 the degree the upper end stretch out from stitching 502, button 101 is exposed.The size of seam 502 is to satisfy the degree of being of pressing of button 101.

Further install as shown in Figure 3, the top of interior pipe 5 is fixed on the sidewall of drawer frames 7 below the desktop 6; The bottom of interior pipe 5 is inserted in the outer tube 8.What install that the back said modules is exposed has only button 101.

Fig. 4 has provided the layout of said modules in table leg, and each position interrelated under positioning states.Connecting rod 1 is subjected to gravity that the trend of a sinking is arranged, fagging 2 has also just had one by the trend that turns clockwise, low side 201 just always supports on outer tube 8 tube walls, the rotation of the gravity on entire table top by fagging 2 changes horizontal power into interior pipe 5 pressed to the right, be close on outer tube 8 tube walls, desk top in being connected on the pipe 5 has been set, and is in positioning states.The extruding force of location derives from the power that presses down, so more press more tight behind the location.According to test, Ding Wei desk maximum capacity is not less than 150 kilograms in this way.

Adjustment process as shown in Figure 5.Thumb rides over the edge of desktop 6, and forefinger is held button 101, and pinched, and connecting rod 1 rises thereupon, impels fagging 2 to be rotated counterclockwise, and low side 201 breaks away from outer tube 8 tube walls, and interior pipe 5 begins to be in free state.At this moment the operator is just pinching desktop 6 and is namely holding desk top, can make lift adjustment arbitrarily.Unclamp hand after adjusting puts in place, connecting rod 1 descends thereupon, props up outer tube 8 tube walls again to low side 201, gets back to the positioning states among Fig. 4 again.

For not needing the frequent tables and chairs of regulating, also can change a kind of compound mode, layout component as Fig. 6.As shown in the figure, connecting rod 1 lower end and low side 201 are hinged, and manage in corresponding position still is fixed on 5 the two side at the two ends that a axle 3 moves to high-end 203a axle 3, and the change of above-mentioned two places only changes the position, and concrete connected mode is constant; Connecting rod 1 upper end is connected the back side of desktop 6 with a bolt 9.Looser a bolt 9 earlier before the adjusting, again it is tightened after the adjusting.Ding Wei interior pipe 5 does not up down all move and is two-way location like this, and not just lifting, and it all is the same regulating its effect toward any direction, can be applicable on the extensible member on the apparatus.If it is quick to require to stretch, bolt 9 is selected manual getting final product for use.

The gradient of fagging 2 is suitable, steep being unable to hold out, put down support too tightly bad operation again.The elevation angle of fagging 2 namely and the angle between the horizontal plane be advisable between 30 degree at 15 degree.

Except rectangular tube, equally this adjuster can be installed with the tables and chairs that other tubing is made, just the profile of fagging will be done similarly to the section of this tubing, allows the low side of fagging be meshed with the inwall of outer tube.

Claims

1. tables and chairs lifting regulator, table leg is rectangular tube, the inner and outer pipes structure, interior pipe is descending at upper exterior tube, the upper end of interior pipe is fixed on the lateral wall of drawer frame below the desktop, insert in the outer tube lower end, position lift adjustment more than pipe reaches in the pulling during adjusting, it is characterized in that: in table leg, be provided with a fagging (2) and a connecting rod (1), fagging (2) is overall rectangular tabular, a horizontal a axle (3) parallel with the plate face of fagging (2) laterally is through the centre of fagging (2), fagging (2) can rotate at a axle (3), the two ends of a axle (3) are separately fixed on the both sidewalls of interior pipe (5) lower end, on the antetheca of interior pipe (5) lower end an opening (501) is arranged, the high end of fagging (2) one ends is low tilting, low side (201) is wedge shape and stretches out support from opening (501) on outer tube (8), the size of opening (501) is not to hinder the rotation degree of being of fagging (2), high-end (203) of fagging (2) are connected with described connecting rod (1), connecting rod (1) vertically is arranged in the interior pipe (5), the tip of high-end (203) has a groove (202) longitudinally, insert in the groove (202) lower end of connecting rod (1), an axle b (4) laterally inserted high-end (203) and connecting rod (1) lower end are hinged with the two, on the rear wall of interior pipe (5) upper end a vertical seam (502) is arranged, the upper end of connecting rod (1) is converted into 90 degree, from seam (502), stretch out, stretching has a horizontal button (101) on the tip outside, the size of seam (502) is to satisfy the degree of being of pressing of button (101).

2. the imitative pull bar adjuster of up-down desk and chair according to claim 1, it is characterized in that: connecting rod (1) lower end and low side (202) are hinged, the two ends that a axle (3) moves to high-end (203) a axles (3) still are fixed on the two side of interior pipe (5) in corresponding position, the change of above-mentioned two places only changes the position, and concrete connected mode is constant; Connecting rod (1) upper end is connected the back side of desktop (6) with a bolt (9).

3. tables and chairs lifting regulator according to claim 1 and 2 is characterized in that: the elevation angle of fagging 2 namely and the angle between the horizontal plane be advisable between 30 degree at 15 degree.

4. tables and chairs lifting regulator according to claim 1 and 2, it is characterized in that: except rectangular tube, equally this device can be installed with the apparatus that other tubing is made, just the profile of fagging will be done similarly to the section of this tubing, allows the low side of fagging be meshed with the inwall of outer tube.