CN201630585U

CN201630585U - Drawing desk

Info

Publication number: CN201630585U
Application number: CN201020102610XU
Authority: CN
Inventors: 沈德华
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-01-22
Filing date: 2010-01-22
Publication date: 2010-11-17
Anticipated expiration: 2020-01-22

Abstract

The utility model relates to a drawing desk comprising a frame body, desk legs and a movable desk surface, wherein the head part of the movable desk surface is articulated with the head part of the frame body; the middle of the back surface of the movable desk surface is connected with the upper middle of the frame body through an inclination angle regulating device; the inclination angle regulating device comprises an upper support frame, a lower support frame, a sliding sleeve, a connecting rod, a torsion spring and a pin shaft, wherein the upper end of the upper support frame is articulated on the movable desk surface, and the lower end of the same is articulated with the upper end of the lower support frame; the lower end of the lower support frame is articulated on the frame body; the upper side edge of the lower support frame is provided with a strip-shaped tooth socket; the lower support frame is slidably provided with the sliding sleeve; the side wall of the sliding sleeve is provided with a through hole; the upper end of the connecting rod is articulated on the upper support frame, and the lower end of the same extends into the sliding sleeve and is fixedly provided with the pin shaft capable of freely moving in the through hole and downwards convexly provided with clamping bulges capable of being embedded into the strip-shaped tooth socket; the torsion spring is sleeved on the sliding sleeve; one end of the torsion spring is fixed on the sliding sleeve, and the other end is connected with the pin shaft. The drawing desk can be horizontally placed or obliquely placed as required by work and is very convenient to use because the inclination angle of the drawing desk can be regulated.

Description

A kind of drawing table

(1) technical field

The utility model relates to a kind of drawing table, relates in particular to a kind of drawing table that has inclination-angle regulating device, also can fold.

(2) background technology

Existing drawing table designs for convenience of drawing, because drawing table is the inclined-plane mostly, can only use in drawing, can not be as his usefulness, and free time is many; Need specific space to store drawing table simultaneously, it is bigger to take up room.

(3) summary of the invention

Have above-mentioned deficiency in the prior art in order to overcome, the utility model provide a kind of simple in structure, easy to use, have inclination-angle regulating device, an and drawing table that can fold.

The technical scheme in the invention for solving the technical problem is: a kind of drawing table, comprise support body, be installed in the table leg on the described support body, and be articulated in active desktop on the described support body, the head of described active desktop and the head of described support body are hinged, the middle part, the back side of described active desktop is connected by dip angle regulating device with the upper center of described support body, described dip angle regulating device comprises upper support frame, the lower support frame, sliding sleeve, connecting rod, torsion spring and bearing pin, the upper end of described upper support frame is articulated on the described active desktop, the upper end of the lower end of described upper support frame and described lower support frame is hinged, the lower end of described lower support frame is articulated on the described support body, the upper side edge of described lower support frame is provided with bar tooth socket, be slidingly equipped with described sliding sleeve on the described lower support frame, the sidewall of described sliding sleeve is provided with through hole, the upper end of described connecting rod is articulated on the described upper support frame, the lower end of described connecting rod is stretched in the described sliding sleeve and be installed with the described bearing pin that can move freely in described through hole, it is protruding that the lower end of described connecting rod convexes with the card that can embed in the described bar tooth socket down, described torsion spring set is loaded on the described sliding sleeve, one end of described torsion spring is fixed on the described sliding sleeve, and the other end is connected on the described bearing pin or is pressed on the described bearing pin.

Further, described dip angle regulating device is two, the both sides of described support body are provided with opening U-shaped frame up, described dip angle regulating device is folding to be placed in the described U-shaped frame, the bottom of described U-shaped frame is provided with hinged seat, the lower end of described lower support frame is articulated on the hinged seat, and the both sides at the back side of described active desktop are provided with fixed head, and the upper end of described upper support frame is articulated on the described fixed head.U-shaped is erected the effect that supports active desktop, also inclination-angle regulating device is played a protective role.

Through hole on the sidewall of described sliding sleeve is a trapezoidal hole, and the upper base of described trapezoidal hole is greater than going to the bottom the expansion of portable propelling desktop and folding.

Further, described table leg is hinged on the described support body, tilt to be provided with the supported folding device between the inboard of described table leg and the below of described support body, described supported folding device comprises connecting rod, lower link and spring, described upper end of going up connecting rod is articulated on the described support body, and the described upward lower end of connecting rod and the upper end of described lower link are hinged, and the lower end of described lower link is articulated on the described table leg, one end of described spring is fixed in described going up on the connecting rod, and the other end is fixed on the described lower link.This supported folding device can make drawing table can not cause table leg to shrink overturning in use owing to the effect of external force, also can make drawing table can not cause table leg to strut owing to the effect of external force when folding, thereby has guaranteed the folding reliability of table leg.

The both sides of described support body extension downwards are provided with hinge bar, and the inboard of described hinge bar offers holding tank, and the upper end of described table leg is stretched in the described holding tank and is articulated in the lower end of described hinge bar.Described supported folding device is four, is provided with a cross bar between two described supported folding devices of the same side, and described cross bar is fixedly arranged on two described going up between the connecting rod.Increase cross bar, convenient folding.

Further, also comprise the chi frame that a cross section takes the shape of the letter U, one side of described active desktop stretches in the described chi frame, the top panel of described chi frame is close to described active desktop, the lower panel of described chi frame offers screw, spiral shell is provided with standing screw in the described screw, and the upper end of described standing screw pushes against the back side in described active desktop, has the locating slot of location ruler on the upper surface of the top panel of described chi frame.Can the setting-in drawing ruler in the locating slot, in drawing course, drawing ruler can be along the locating slot slippage, the convenient drawing.After drawing is finished, drawing ruler can be taken off, and then the chi frame be taken off from active desktop deposit, can not hinder drawing table to use as him.

Further, the afterbody of described active desktop is provided with a holddown groove, and the afterbody of described support body is provided with the flange that can embed in the described holddown groove.After active desktop was set level or be folding, the flange on the support body snapped in the holddown groove on the active desktop, thereby active desktop is fixed on the support body, and convenient the use also conveniently fixed when folding.

The utility model struts table leg when drawing, last connecting rod and lower link form straight line, under the effect of spring force, last connecting rod and lower link are tightened up simultaneously, play being connected between support body and the table leg, supporting role, when table leg was subjected to external force, table leg can not produce interior contraction.The afterbody of mentioning active desktop then, active desktop is around its head rotation, upper support frame is raised with active desktop, the lower support frame rotates around hinged seat, move with upper support frame the upper end of connecting rod, the bearing pin of connecting rod lower end drags to slide on the lower support frame and moves, at this moment, torsion spring is compressed, and bearing pin is positioned at the upper left side of trapezoidal hole, and the card on the connecting rod is protruding in bar tooth socket, when active desktop turns to required angle, bearing pin moves down and is positioned at the bottom of trapezoidal hole under the effect of torsion spring restoring force, the card of bearing pin drivening rod lower end is protruding to move down and embed in the corresponding bar tooth socket, thereby active desktop is propped up change tiltedly.Active desktop is when keeping flat, the afterbody of mentioning active desktop makes sliding sleeve slide onto the left end of lower support frame and skids off outside the bar tooth socket, active desktop is moved down, connecting rod also moves down thereupon, can not embed in the bar tooth socket because the card of connecting rod lower end is protruding, thereby in the connecting rod folding process, promote the upper right side in the trapezoidal hole that bearing pin slides onto sliding sleeve, this moment connecting rod protruding be raised and of card away from bar tooth socket, even sliding sleeve slips over from bar tooth socket, the card of connecting rod is protruding can not to embed in the bar tooth socket yet, can set level active desktop, flange on the support body is snapped in the holddown groove on the active desktop, thereby active desktop is fixed on the support body, can be used as desk like this and use.The utility model is when folding, active desktop is kept flat, then drawing table is turned and make table leg up, press connecting rod down, rotate around pin joint the upper end of lower link, thereby collapsible table leg, because under the effect of spring force, last connecting rod and lower link are tightened up after folding, even be subjected to the effect of external force, table leg can not strut, thereby has guaranteed the folding reliability of table leg.

The beneficial effects of the utility model are: can keep flat according to need of work, also can tiltedly put, its inclination angle can be regulated, and is very convenient to use.Can fold simultaneously, conveniently deposit and carry.

(4) description of drawings

Fig. 1 is that the utility model launches the user mode schematic diagram.

Fig. 2 is the utility model folded state schematic diagram.

Fig. 3 is the structural representation of chi frame of the present utility model.

Fig. 4 is the structural representation of dip angle regulating device of the present utility model.

Fig. 5 is the structural representation of supported folding device of the present utility model.

(5) specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

With reference to Fig. 1, Fig. 4, a kind of drawing table, comprise support body 1, be installed in the table leg 2 on the described support body 1, and be articulated in active desktop 3 on the described support body 1, the head of the head of described active desktop 3 and described support body 1 is hinged, the middle part, the back side of described active desktop 3 is connected by dip angle regulating device 4 with the upper center of described support body 1, described dip angle regulating device 4 comprises upper support frame 41, lower support frame 42, sliding sleeve 43, connecting rod 44, torsion spring 45 and bearing pin 46, the upper end of described upper support frame 41 is articulated on the described active desktop 3, the upper end of the lower end of described upper support frame 41 and described lower support frame 42 is hinged, the lower end of described lower support frame 42 is articulated on the described support body 1, the upper side edge of described lower support frame 42 is provided with bar tooth socket 421, be slidingly equipped with described sliding sleeve 43 on the described lower support frame 42, the sidewall of described sliding sleeve 43 is provided with trapezoidal hole 431, the upper base of described trapezoidal hole 431 is greater than going to the bottom, the upper end of described connecting rod 44 is articulated on the described upper support frame 41, the lower end of described connecting rod 44 is stretched in the described sliding sleeve 43 and be installed with the described bearing pin 46 that can move freely in described trapezoidal hole 431, the lower end of described connecting rod 44 convexes with the card protruding 441 that can embed in the described bar tooth socket 421 down, described torsion spring 45 is set on the described sliding sleeve 43, one end of described torsion spring 43 is fixed on the described sliding sleeve 43, and the other end is connected on the described bearing pin 46 or is pressed on the described bearing pin 46.

Described dip angle regulating device 4 is two, the both sides of described support body 1 are provided with opening U-shaped frame 47 up, described dip angle regulating device 4 folding placing in the described U-shaped frame 47, the bottom of described U-shaped frame 47 is provided with hinged seat 48, the lower end of described lower support frame 42 is articulated on the hinged seat 48, the both sides at the back side of described active desktop 3 are provided with fixed head 49, and the upper end of described upper support frame 41 is articulated on the described fixed head 49.

With reference to Fig. 2, Fig. 5, the both sides of described support body 1 extension downwards are provided with hinge bar 5, the inboard of described hinge bar 5 offers holding tank, the upper end of described table leg 2 is stretched in the described holding tank and is articulated in the lower end of described hinge bar 5, tilt to be provided with supported folding device 6 between the below of the inboard of described table leg 2 and described support body 1, described supported folding device 6 comprises connecting rod 61, lower link 62 and spring 63, described upper end of going up connecting rod 61 is articulated on the described support body 1, the described upward lower end of connecting rod 61 and the upper end of described lower link 62 are hinged, the lower end of described lower link 62 is articulated on the described table leg 2, one end of described spring 63 is fixed in described going up on the connecting rod 61, and the other end is fixed on the described lower link 62.

Described supported folding device 6 is four, is provided with a cross bar 64 between two described supported folding devices 6 of the same side, and described cross bar 64 is fixedly arranged on two described going up between the connecting rod 61.

With reference to Fig. 3, drawing table also comprises the chi frame 7 that a cross section takes the shape of the letter U, one side of described active desktop 3 stretches in the described chi frame 7, the top panel of described chi frame 7 is close to described active desktop 3, the lower panel of described chi frame 7 offers screw, spiral shell is provided with standing screw 8 in the described screw, and the upper end of described standing screw 8 pushes against at the back side of described active desktop 3, has the locating slot 9 of location ruler on the upper surface of the top panel of described chi frame 7.

The afterbody of described active desktop 3 is provided with a holddown groove 10, and the afterbody of described support body 1 is provided with the flange 11 that can embed in the described holddown groove 10.

The utility model is when drawing, strut table leg 2, last connecting rod 61 and lower link 62 form straight line, under the effect of spring 63 power, last connecting rod 61 and lower link 62 are tightened up simultaneously, play being connected between support body 1 and the table leg 2, supporting role, when table leg 2 was subjected to external force, table leg 2 can not produce interior contraction.The afterbody of mentioning active desktop 3 then, active desktop 3 is around its head rotation, upper support frame 41 is raised with active desktop 3, lower support frame 42 rotates around hinged seat 48, move with upper support frame 41 upper end of connecting rod 44, the bearing pin 46 of connecting rod 44 lower ends drags sliding sleeve 43 and moves on lower support frame 42, at this moment, torsion spring 45 is compressed, bearing pin 46 is positioned at the upper left side of trapezoidal hole 431, and the card on the connecting rod 44 protruding 441 is away from bar tooth socket 421, when active desktop 3 turns to required angle, bearing pin 46 moves down and is positioned at the bottom of trapezoidal hole 431 under the effect of torsion spring 45 restoring forces, the card protruding 441 of bearing pin 46 drivening rods 44 lower ends moves down and embeds in the corresponding bar tooth socket 421, thereby active desktop 3 is propped up change tiltedly.

Active desktop 3 is when keeping flat, the afterbody of mentioning active desktop 3 makes sliding sleeve 43 slide onto the left end of lower support frame 42 and skids off outside the bar tooth socket 421, active desktop 3 is moved down, connecting rod 44 also moves down thereupon, because the card protruding 441 of connecting rod 44 lower ends can not embed in the bar tooth socket 421, thereby in connecting rod 44 folding processes, promote the upper right side in the trapezoidal hole 431 that bearing pin 46 slides onto sliding sleeve 43, this moment, the card protruding 441 of connecting rod 44 was raised and away from bar tooth socket 421, even sliding sleeve 43 slips over from bar tooth socket 421, the card of connecting rod 44 protruding 441 can not embed in the bar tooth socket 421 yet, can set level active desktop 3, flange 11 on the support body 1 is snapped in the holddown groove 10 on the active desktop 3, thereby active desktop 3 is fixed on the support body 1, can be used as desk like this and use.

The utility model is when folding, active desktop 3 is kept flat, then drawing table is turned and make table leg 2 up, press connecting rod 61 down, rotate around pin joint the upper end of lower link 62, thereby collapsible table leg 2, because under the effect of spring 63 power, last connecting rod 61 and lower link 62 are tightened up after folding, even be subjected to the effect of external force, table leg 2 can not strut, thereby has guaranteed the reliable part that table leg 2 folds.

Claims

1. drawing table, comprise support body, be installed in the table leg on the described support body, and be articulated in active desktop on the described support body, it is characterized in that: the head of described active desktop and the head of described support body are hinged, the middle part, the back side of described active desktop is connected by dip angle regulating device with the upper center of described support body, described dip angle regulating device comprises upper support frame, the lower support frame, sliding sleeve, connecting rod, torsion spring and bearing pin, the upper end of described upper support frame is articulated on the described active desktop, the upper end of the lower end of described upper support frame and described lower support frame is hinged, the lower end of described lower support frame is articulated on the described support body, the upper side edge of described lower support frame is provided with bar tooth socket, be slidingly equipped with described sliding sleeve on the described lower support frame, the sidewall of described sliding sleeve is provided with through hole, the upper end of described connecting rod is articulated on the described upper support frame, the lower end of described connecting rod is stretched in the described sliding sleeve and be installed with the described bearing pin that can move freely in described through hole, it is protruding that the lower end of described connecting rod convexes with the card that can embed in the described bar tooth socket down, described torsion spring set is loaded on the described sliding sleeve, one end of described torsion spring is fixed on the described sliding sleeve, and the other end is connected on the described bearing pin or is pressed on the described bearing pin.

2. according to the described drawing table of claim 1, it is characterized in that: described dip angle regulating device is two, the both sides of described support body are provided with opening U-shaped frame up, described dip angle regulating device is folding to be placed in the described U-shaped frame, the bottom of described U-shaped frame is provided with hinged seat, the lower end of described lower support frame is articulated on the hinged seat, and the both sides at the back side of described active desktop are provided with fixed head, and the upper end of described upper support frame is articulated on the described fixed head.

3. according to claim 1 or 2 described drawing tables, it is characterized in that: the through hole on the sidewall of described sliding sleeve is a trapezoidal hole, and the upper base of described trapezoidal hole is greater than going to the bottom.

4. according to the described drawing table of claim 1, it is characterized in that: described table leg is hinged on the described support body, tilt to be provided with the supported folding device between the inboard of described table leg and the below of described support body, described supported folding device comprises connecting rod, lower link and spring, described upper end of going up connecting rod is articulated on the described support body, the described upward lower end of connecting rod and the upper end of described lower link are hinged, the lower end of described lower link is articulated on the described table leg, one end of described spring is fixed in described going up on the connecting rod, and the other end is fixed on the described lower link.

5. according to the described drawing table of claim 4, it is characterized in that: the both sides of described support body extension downwards are provided with hinge bar, and the inboard of described hinge bar offers holding tank, and the upper end of described table leg is stretched in the described holding tank and is articulated in the lower end of described hinge bar.

6. according to the described drawing table of claim 4, it is characterized in that: described supported folding device is four, is provided with a cross bar between two described supported folding devices of the same side, and described cross bar is fixedly arranged on two described going up between the connecting rod.

7. according to the described drawing table of claim 1, it is characterized in that: also comprise the chi frame that a cross section takes the shape of the letter U, one side of described active desktop stretches in the described chi frame, the top panel of described chi frame is close to described active desktop, the lower panel of described chi frame offers screw, spiral shell is provided with standing screw in the described screw, and the upper end of described standing screw pushes against the back side in described active desktop, has the locating slot of location ruler on the upper surface of the top panel of described chi frame.

8. according to the described drawing table of claim 1, it is characterized in that: the afterbody of described active desktop is provided with a holddown groove, and the afterbody of described support body is provided with the flange that can embed in the described holddown groove.