CN100559991C

CN100559991C - Height-adjustable desk

Info

Publication number: CN100559991C
Application number: CNB2004800445175A
Authority: CN
Inventors: 丁宽荣
Original assignee: Duoback Korea Co Ltd
Current assignee: Duoback Korea Co Ltd
Priority date: 2004-11-30
Filing date: 2004-11-30
Publication date: 2009-11-18
Anticipated expiration: 2024-11-30
Also published as: KR100938250B1; WO2006059810A1; JP4335282B2; JP2008521478A; KR20070100243A; CN101068484A

Abstract

The invention discloses a kind of height-adjustable desk, it is easy to use by the height of regulating desktop and footstool according to user's health.Improved desk comprises the leg unit with first shank and second shank.First shank is connected in desktop.Second shank is slidably inserted into first shank or comes out.Adjustment hole is arranged at first shank or second shank.A plurality of outstanding grooves are arranged at first shank or second shank.Adjusting knob comprises the nut that is arranged at adjustment hole, is slidably inserted into the hollow gim peg in the adjustment hole.Stage clip is inserted in the receiving slit.Bolt passes gim peg screws on nut.

Description

Height-adjustable desk

Technical field

The present invention relates to a kind of height-adjustable desk, more specifically, the present invention relates to a kind of desk, no matter on the table just load what, can easily regulate the height of desktop, being fit to user's the bodily form, and this desk can regulate the height of the footstool that is arranged at base, so that the user can use this to be fit to the desk of its bodily form expediently.

Background technology

Modern offices or industrial environment provide the work station of the functional furniture assembly with number of different types.These furniture assemblies comprise and are used for working face and the desktop write with the various purposes of word processing function from drafting to.Therefore, various devices as typewriter and terminal must can be supported in these surfaces, and the while can vertical adjusting, to adapt to various tasks and various user easily.The height of footstool that is arranged at the bearing of desk also must be able to be regulated, to adapt to different users' needs.

Especially, in primary school, secondary and high school or university, be badly in need of such desk.Although individual's physical qualification is widely different each other, even also be so in same classmate, school still uses the standardized desk of average physical qualification with reference to most students.Therefore, it is very uncomfortable that the student uses the desk that is not suitable for its bodily form.

The United States Patent (USP) of being announced by John J.Rizzi etc. on March 1st, 1994 discloses the example of a height-adjustable desk for 5,289, No. 782, has provided this example in the application's who shows existing height-adjustable desk accompanying drawing 9.As of the present invention shown in Figure 9, this existing desk 10 comprises: desktop 12; A pair of recoverable and tensile telescopic table legs with the first shank 14a and second shank 14b, the first shank 14a are connected to that desktop 10, the second shank 14b collapse among the first shank 14a so that the first shank 14a can lifting; The balanced controls 16 that comprise the Weight apparatus (not shown) place between the described a pair of telescopic table legs and are connected in telescopic table legs; And a pair of base 18 of the bottom of a pair of second shank 14b that is arranged at table leg 14.Yet this desk uses the balanced controls with Weight apparatus to regulate the height of desktop, and these balanced controls comprise tooth bar, pinion, chain etc.Therefore, because the labyrinth of this desk, the productivity ratio step-down is difficult to a large amount of productions.In addition, owing to the height of the footstool 19 in the base that can not regulate desk, therefore be not easy to have user's use of the different bodily forms.

Then, the Korean Utility Model 20-0355945 that authorized Livart furniture Co., Ltd on July 1st, 2004 discloses a kind of device that is used to regulate table height.Figure 10 of the application has shown another example of this existing height-adjustable desk.As shown in figure 10, this existing device 20 that is used to regulate table height comprises: desk 22; A pair of from the outstanding downwards movably post 24 of the lower surface of desktop 22; Inside has the principal post 26 of hollow hole, and movably post 24 is matched with wherein to be guided smoothly; And the base 28 that is connected to the bottom of principal post 26 with the right angle.

At this moment, vertically form a plurality of fixing hole 24a along an example of post movably with the distance of rule; Side at principal post 26 forms the perforation 26a corresponding with one of described a plurality of fixing holes; And the perforation 26a that passes through principal post 26 1 sides by the fixing button 29 that fixed band 29a connects combines with fixing hole 24a.Yet the prior art is designed to fixing button and takes off from the fixing hole of removable post and the perforation of principal post.Have problems during therefore, once more in conjunction with fixing button.In addition, its unexposed footstool structure that can support user's pin.

Summary of the invention

Technical problem

Therefore, in order to address the above problem, the purpose of this invention is to provide a kind of height-adjustable desk, it can utilize the simple operations of adjusting knob easily to regulate the height of desktop, and regulates the facility that the height of desktop has been realized operation by not needing to take off fully the adjusting knob that is matched with in second shank.

Another object of the present invention provides a kind of by the height-adjustable desk that height-adjustable footstool facilitates for the user is installed on base, so that the user regulates height expediently according to its bodily form.

Technical scheme

To achieve these goals, the present invention includes:

Desktop;

Leg unit, it has first shank that is connected to desktop, and be used to support that desktop makes second shank of desktop maintenance level, wherein this second shank inserts in first shank or first shank inserts in second shank, longitudinally to shorten and to extend, wherein the shank of Cha Ruing comprises and forms one group and with predetermined space two legs separated from one another; And a plurality of outstanding groove that is formed on each in described two legs is located relative to one another, and the shank that wherein is inserted into comprises the adjustment hole that runs through this shank; And

Movable adjustment part comprises: the nut that is arranged at adjustment hole; Relatively be matched with in the adjustment hole contacting with second shank with first shank regularly with nut, and on the inwall of one side, form the hollow gim peg of receiving slit; Be matched with in the receiving slit of gim peg to push the stage clip of gim peg; Adjusting knob with bolt and handle, bolt passes gim peg to screw on nut by adjustment hole, so that far-end can not deviate from from nut, and handle is by user's grasping and rotation, wherein, at adjusting knob during away from leg unit, gim peg overcomes the elasticity of stage clip and travelling backwards to shorten and to extend the length of leg unit, and at adjusting knob during near leg unit, gim peg mobile is conditioned the knob restriction with fixing leg unit.

Preferably, the far-end of the bolt of adjusting knob part is fixed by steady pin, so that it is not deviate from from nut.

In order to realize another purpose, the present invention includes:

Desktop;

The a pair of middle supportive device that is connected in desktop;

Can shorten and tensile leg unit with a pair of first shank and a pair of second shank, first shank is connected on each middle supportive device, and first shank liftably inserts in second shank;

Be connected in the pedestal part of the bottom of leg unit;

With the movable adjustment part that combines with adjustment hole that forms on second shank of leg unit, do not separate thus, and regulate the lifting of first shank from adjustment hole; And

Be installed on the pedestal part, its adjustable for height footstool.

Preferably, in order to regulate the height of footstool, support is installed on pedestal part; The free end of support 160 bends towards second shank of leg unit obliquely; Multistage button portion with a plurality of catching grooves combines with the free end of support; And the connecting portion with fixing hole combines with the two ends of footstool, in one of catching groove of being buckled in multistage button portion.

Description of drawings

From below in conjunction with the explanation of accompanying drawing to preferred implementation, it is clearer that above-mentioned purpose of the present invention and advantage will become.

Fig. 1 is the exploded perspective illustration of height-adjustable desk according to the preferred embodiment of the present invention;

Fig. 2 is the perspective view of the assembled state of the height-adjustable desk of demonstration Fig. 1;

Fig. 3 is the vertical cross-section diagram of the height-adjustable desk of demonstration Fig. 1;

Fig. 4 is the partial enlarged drawing of " A " part among Fig. 3, shows the lock-out state of first shank of leg unit;

Fig. 5 is the partial enlarged drawing of " A " part among Fig. 3, shows the released state of first shank of leg unit;

Fig. 6 is the partial enlarged drawing of " A " part among Fig. 3, shows that leg unit can shorten and tensile state;

Fig. 7 is the sectional view along the B-B line of Fig. 2, shows the state that the desktop of height-adjustable desk and footstool have raise;

Fig. 8 is the sectional view along the B-B line of Fig. 2, shows the state that the desktop of height-adjustable desk and footstool have reduced;

Fig. 9 is the perspective view of an example of the height-adjustable desk of demonstration prior art; And

Figure 10 is the perspective view of another example of the height-adjustable desk of demonstration prior art.

The specific embodiment

Hereinafter, describe height-adjustable according to the preferred embodiment of the present invention desk with reference to the accompanying drawings in detail.

Fig. 1 shows height-adjustable according to the preferred embodiment of the present invention desk.Fig. 2 shows the assembled state of the height-adjustable desk of Fig. 1.Fig. 3 shows the vertical cross-section diagram of the height-adjustable desk of Fig. 1.Fig. 4 is the partial enlarged drawing of " A " part among Fig. 3, shows the lock-out state of first shank of shank.Fig. 5 is the partial enlarged drawing of " A " part among Fig. 3, shows the released state of first shank of shank.Fig. 6 is the partial enlarged drawing of " A " part among Fig. 3, shows that leg unit can shorten and tensile state.

With reference to Fig. 1～6, height-adjustable according to the preferred embodiment of the present invention desk 100 comprises: desktop 110; Be connected to the middle supportive device 120 of the lower surface of desktop with direction vertically downward; Have recoverable and tensile structure, the direction setting vertically downward bottom middle supportive device to regulate the leg unit 130 of height; And a plurality of bases 140 that are installed on the bottom of each leg unit 130.

More specifically, desktop 110 preferably has the surface of basic horizontal.

Supportive device 120 is arranged at the both sides of the lower surface of desktop 10 in the middle of each with direction vertically downward.Because supportive device 120 is separate in the middle of each, preferably uses connecting rod 122 and connect its each mid point.

Leg unit 130 comprises that respectively the direction vertically downward of supportive device 120 is provided with in the middle of each a pair of first shank 132 and first shank 132 liftably are matched with a pair of second shank 136 wherein.First shank 132 preferably has a plurality of outstanding groove 134 along the predetermined space of its outer surface.Outstanding groove 134 is arranged at regular intervals, but if desired, can be spaced them with irregular.Each first shank 132 can be provided with two shanks, and they can form one group.Two shanks 132 are separate with predetermined space.The outstanding groove 134 that is formed on each in two shanks 132 is located relative to one another.

The hollow hole of upper surface open is arranged at the inside of second shank 136.First shank 132 is arranged in the hollow hole of second shank vertically to rise or to descend.At least one adjustment hole 136a corresponding with one of outstanding groove 134 of first shank 132 is arranged at second shank 136.This adjustment hole 136a passes completely through the side of outer surface of second shank 136 to opposite side.Lower link 138 is arranged between each second shank 136.The device that is used to install and fix the hole of pin 158 and is used to close this hole can be arranged at a side of lower link 138.In addition, lower link 138 can place the other parts of second shank 136.

With reference to Fig. 4 and Fig. 6, the movable adjustment part that is used to regulate the descending operation of first shank 132 is arranged at the adjustment hole 136a of second shank 136.This movable adjustment part comprises: be incorporated into the nut 150 among the adjustment hole 136a with two end in contact of lower link 138; Be matched with among the adjustment hole 136a of second shank 136 in one of outstanding groove 134 to be assembled to first shank 132, and on inwall, form the hollow gim peg 152 of receiving slit 152a; Be matched with among the receiving slit 152a of gim peg 152 so that the flexible stage clip 154 that promotes gim peg 152 to be provided; Pass gim peg 152 and the bolt member 156a that it is terminal and nut 150 screws from the adjustment hole 136a of second shank 136; But and have the adjusting knob 156 of handle 156b of user's grasping with rotation.Here, the end of the bolt member 156a of adjusting knob is fixing by steady pin 158, so that it is not deviate from from nut 150.Preferably, the intensity of adjusting stage clip 154 is descended by its weight effect suddenly to prevent desktop.

Refer back to Fig. 1～3, base 140 is arranged in the bottom of second shank 136 with horizontal direction.That is to say, preferred base 140 with respect to the second upright shank 136 with arranged at right angles.Base 140 keeps the standing state of desk 100 by other surface of kiss the earth or work station.

In addition, can regulate footrest element highly step by step can further be installed between each base 140.Footrest element comprises: be arranged between each base 140 and its free end bends towards the support 160 of second shank 136 of leg unit 130 obliquely; Combine and be provided with step by step the multistage button portion 162 of a plurality of catching groove 162a with each crooked free end of support 160; And be installed in the multistage button portion 162 and can regulate the footstool 164 of height step by step.Especially, footstool 164 integral body extend to form the pin support plate 166 of the pin that is used to put and contact the user and have the connecting portion 168 of folder hole 166 in the both sides of pin support plate 166.Can on the upper surface of pin support plate 166, form of the slip of a plurality of grooves with the pin that prevents to contact with upper surface.After passing the folder hole 168a in the connecting portion 168 that is formed at footstool 164, connecting portion 168 regularly with one of the catching groove 162a of multistage button portion 162 fastening to be fixed.

Describe the operation of the height-adjustable desk of said structure in detail with reference to accompanying drawing 7 and 8.

Fig. 7 is the sectional view along the B-B line of Fig. 2, shows the state that the desktop of height-adjustable desk and footstool have raise.Fig. 8 is the side cross-sectional views along the B-B line of Fig. 2, shows the state that the desktop of height-adjustable desk and footstool have reduced.

With reference to Fig. 7, if the user's of desk 100 body is big, at adjusting knob 156 in a clockwise direction or under the situation of rotation counterclockwise, the relaxed compressive state of stage clip 154 of the handle 156b of adjusting knob 156 is separated with the gim peg 152 that promotes handle 156b to be fixed simultaneously.Thereafter, gim peg 152 that is to say the locomotivity of first shank 132, towards handle 156b travelling backwards by external force.At this moment, the locomotivity of first shank 132 is bigger than the elasticity of stage clip 154.Therefore, gim peg 152 is deviate from from the outstanding groove 134 of first shank 132.At this moment, the motive force of the handle 156b of adjusting knob 156 disappears, but still exists to the elasticity (please refer to Fig. 5 and Fig. 6) that the outstanding groove 143 of first shank 132 promotes the stage clip 154 of gim pegs 152.Then, even the user uses faint power, also can easily regulate the height of desktop 110.In this stage, the user can draw high desktop 110 to regulate height, makes desk can be suitable for user's the bodily form.

Next step rotates adjusting knob 156 on the contrary with said process.Then, the handle 156b of adjusting knob 156 promotes stage clip 154 under the state of the holddown groove 134 of gim peg 152 insertions first shank 132.Therefore, first shank 132 is fixed in second shank 136.

In addition, as shown in Figure 7, footstool 164 is moved to the highest part (showing with solid line) from the minimum catching groove (showing with dotted line) of the catching groove 162a of multistage button portion 162.For this process, the user carries out taking out footstool 164 from the minimum catching groove of catching groove 162a, and footstool 164 is installed to its simple operations of high catching groove.

Opposite with aforesaid operations, so as described above if user's body is little as mentioned above with reference to Fig. 8, after removing the lock-out state of first shank 132 by rotation adjusting 156 knobs, the user can be reduced to desired height with desktop., by rotation adjusting knob 156 first shank 132 become lock-out state, to keep the required height of desktop 110 thereafter.

In addition, footstool 164 (can be shown with dotted line) from the extreme higher position to move to extreme lower position (showing), to be fit to user's body with solid line.

Industrial applicability

As mentioned above, height-adjustable according to the preferred embodiment of the present invention desk is being connected in a plurality of holddown grooves of formation on first shank of desktop; First shank liftably is arranged in the hollow hole of second shank; And the up-down adjustment that realizes first shank by the fixed part that is arranged at second shank.Therefore, the present invention has according to user's the bodily form simple rotation by adjusting knob and raises and reduce the effect of desktop.Especially, because adjusting knob is not deviate from from second shank, therefore can be convenient to regulate height.

In addition, the present invention provides the support with multistage button portion on the base of leg unit, and optionally installs in a plurality of catching grooves that footstool forms to the multistage button portion.Therefore, the height of footstool is vertically regulated in the simple operations of installing or taking out footstool in the lump of the user can be by selecting multistage button portion according to user's the bodily form catching groove.

Although provide and illustrate the present invention, it will be understood by those skilled in the art that and to make various changes and modifications under the situation of the spirit and scope of the invention that in not departing from following claims, define with the reference preferred implementation.

Claims

1, a kind of height-adjustable desk, this desk comprises:

Desktop;

Leg unit, it has first shank that is connected to desktop, and be used to support that desktop makes second shank of desktop maintenance level, wherein this second shank inserts in first shank or first shank inserts in second shank, thereby longitudinally shorten and extend, wherein the shank of Cha Ruing comprises and forms one group and with predetermined space two legs separated from one another; And a plurality of outstanding groove that is formed on each in described two legs is located relative to one another, and the shank that wherein is inserted into comprises the adjustment hole that runs through this shank; And

Movable adjustment part comprises: the nut that is arranged at adjustment hole; Relatively be matched with in the adjustment hole contacting with second shank with first shank regularly with nut, and on the inwall of one side, form the hollow gim peg of receiving slit; Be matched with in the receiving slit of gim peg to push the stage clip of gim peg; With adjusting knob with bolt and handle, this bolt passes gim peg to screw on nut by adjustment hole, far-end can not deviate from from nut, handle is by user's grasping and rotation, wherein, and when adjusting knob and leg unit are separated farthest, gim peg overcomes the elasticity of stage clip and travelling backwards to shorten and to extend the length of leg unit, and at adjusting knob during near leg unit, gim peg mobile is conditioned the knob restriction, with fixing leg unit.

2, height-adjustable desk according to claim 1 is characterized in that, the far-end of the bolt of described adjusting knob is fixed by steady pin, so that it is not deviate from from nut.

3, a kind of height-adjustable desk, this desk comprises:

Desktop;

Leg unit, it has first shank that is connected to desktop, and be used to support that desktop makes second shank of desktop maintenance level, wherein this second shank inserts in first shank or first shank inserts in second shank, longitudinally to shorten and to extend, wherein the shank of Cha Ruing comprises and forms one group and with predetermined space two legs separated from one another; And a plurality of outstanding groove that is formed on each in described two legs is located relative to one another, and the shank that wherein is inserted into comprises the adjustment hole that runs through this shank;

Second shank that is connected to leg unit is used to support the pedestal part of the second shank standing upright;

Be installed on the pedestal part, its adjustable for height footstool; And

Movable adjustment part comprises: the nut that is arranged at adjustment hole; With the nut relative engagement in adjustment hole contacting with second shank with first shank regularly, and on the inwall of one side, form the hollow gim peg of receiving slit; Be matched with in the receiving slit of gim peg to push the stage clip of gim peg; With adjusting knob with bolt and handle, bolt passes gim peg to screw on described nut by adjustment hole, so that far-end can not deviate from from nut, handle is by user's grasping and rotation, wherein, and at adjusting knob during away from leg unit, gim peg overcomes the elasticity of stage clip and travelling backwards to shorten and to extend the length of leg unit, and at adjusting knob during near leg unit, gim peg mobile is conditioned the knob restriction, with fixing leg unit.

4, height-adjustable desk according to claim 3 is characterized in that:

In order to regulate the height of footstool, support is installed on the pedestal part; The free end of support (160) bends towards second shank of leg unit obliquely; Multistage button portion with a plurality of catching grooves combines with the free end of support; And the connecting portion with fixing hole combines with the two ends of footstool with in one of catching groove that is buckled in multistage button portion.