CN207492336U - A kind of pulley and the folding table using the pulley - Google Patents

Abstract

The utility model is related to a kind of pulley and using the folding table for having the pulley, pulley includes：Bow；Wheel can be rotatably set on bow；Pedestal, be provided on pedestal with the homoaxial connecting shaft of wheel, the tail portion of bow is rotatably on connecting shaft is set in；Locking structure is located between pedestal and bow, and the wheel on bow is made to be locked in the opening state after outer turn or the folding state after interior turn.The side of the left panel of folding table or the width direction of right panel is equipped with the pulley.The pulley structure of the utility model is simple, easy to use, can easily be opened as needed on folding table or folding；And folding table makes desk move more easily, stability is more preferable, and pulley is mounted in the side of desktop width direction, then more embodies humanized design theory due to being provided with the pulley.

Description

A kind of pulley and the folding table using the pulley

Technical field

The utility model is related to the folding tables that a kind of pulley and application have the pulley.

Background technology

The desktop of conventional tables is typically to use an integrally-built desktop, therefore strong by manufacturing process, desktop The limitation of degree etc., desktop tends not to do too much.And in order to meet the needs of market is to big specification desktop, using double desktops Harden structure solves the problems, such as this, and by ingenious, rational design, make two desktops not only can folding, but also foot stool can be hidden In in two desktops after combination.But the problem of bringing simultaneously is that desk integrally becomes weight, very laborious when moving, particularly at family Outer or travelling leisure used time, the carrying that more seems, the trouble transported.

Therefore there are still unsatisfactory parts on using for existing folding table, need to be up for further improving, urgently Need to release can more embody the folding table of humanization design concept.

Invention content

First technical problem to be solved in the utility model is present situation for the above-mentioned prior art, provides a kind of structure Pulley structure stable, easy to use is particluarly suitable for setting in folding table, is moved not with sliding solution folding table by pulley Just the problem of.

Second technical problem to be solved in the utility model is to provide a kind of folding table equipped with above-mentioned pulley, makes folding The structure of folded table more becomes hommization.

Technical solution is used by first technical problem to be solved in the utility model：The pulley, including：Fork-shaped branch Frame；Wheel can be rotatably set on bow；It is characterized in that it has been further included：Pedestal is provided on pedestal same with wheel Axial connecting shaft, the tail portion of the bow is rotatably on the connecting shaft is set in；Locking structure is located at bottom Between seat and bow, the wheel on bow is made to be locked in the opening state after outer turn or the folding shape after interior turn State.

And the locking structure can be realized in several ways, one：The pedestal has left and right side plate, Left and right side plate is equipped with the axis hole set for the connecting shaft, and the both sides of the axis hole in left plate are respectively equipped with a limit Position hole；The connecting shaft is equipped with an elastic component, the bow is made to remain to the left side from the elastic component The trend of side plate movement；With two limit holes it is corresponding the side of the bow be equipped with spacing projection, institute The spacing projection stated is inserted into two limit holes and forms the locking structure respectively.

Secondly：The pedestal has left and right side plate, and left and right side plate is equipped with the axis set for the connecting shaft Hole, and the both sides of the axis hole in left plate are respectively equipped with a U-shaped limiting slot；There is an elastic component in the connecting shaft, by the bullet Property part the bow is made to remain the trend to described left plate movement；It is corresponding with two limiting slots The limiting stopper formed by a notch is equipped in the side of the bow, the limiting stopper is inserted into two limits The locking structure is formed in the slot of position.

Thirdly：The pedestal has the left and right baffle that is inwardly folded by side plate both sides, left and right baffle be equipped with for The axis hole of the connecting shaft setting, and the both sides of the axis hole in right baffle-plate are respectively equipped with a positioning hole；In the connecting shaft Equipped with an elastic component, the bow is made to remain the trend to the left plate movement from the elastic component；With institute Two location holes stated are corresponding to be equipped with stopper protrusion in the side of the bow, and the stopper protrusion is inserted into respectively The locking structure is formed in two location holes.

And the spring being sleeved in connecting shaft can be used in the elastic component；Single-wheel or Double-wheel structure can be used in wheel.

Technical solution is used by second technical problem to be solved in the utility model：The folding table, includes：Table Panel, include can doubling left/right panel；Frame, includes left and right frame, is installed in the bottom of left/right panel respectively； Foot stool including two folding foot stool units, is connected with left and right frame respectively；It is characterized in that on the left panel or the right side One side of the width direction of panel is equipped with aforementioned pulley, when the folding table expansion, the wheel folding of the pulley In the bottom of the desktop；When the folding table folds, the wheel of the pulley is stretched out outside the desktop.

Pulley is mounted in the side of desktop width direction by aforementioned folding table, and height when in this way dragging desk is desk Width, and unrelated with the length of desk, general desk width uses more accord with people in this way between 0.72 meter -0.76 meter Mechanics make table moving easy and convenient.And the length of desk then has up to 2.4 meters, the desk length after such doubling also has 1.2 meters, pulley is such as mounted in the side of length direction, then when using and the height of human body is uncomfortable, it is not easy to hold and grasp Its stability.

And the pulley its pedestal can be fixed on the different parts of desk, it such as can be by the pedestal and desktop of pulley Bottom mutually fix, the pedestal of pulley can also mutually be fixed with frame.

Compared with prior art, the utility model has the advantage of：The pulley structure of the utility model is simple, user Just, it can easily open as needed on folding table or folding；And folding table removes desk due to being provided with the pulley Shifting is lighter, and stability is more preferable, and pulley is mounted in the side of desktop width direction, then more embodies humanized design reason It reads.

Description of the drawings

(pulley folding is at panel bottom for schematic diagram when Fig. 1 is the expansion of one folding table two panels of the utility model embodiment Portion).

Fig. 2 is the schematic diagram outside the pulley extending panel of Fig. 1.

Stereoscopic schematic diagram (pulley extending panel when Fig. 3 is one folding table two panels doubling of the utility model embodiment Outside).

Fig. 4 is one pulley schematic diagram of the utility model embodiment.

Fig. 5 is the decomposition diagram of Fig. 4.

Fig. 6 is two pulley schematic diagram of the utility model embodiment.

Fig. 7 is the decomposition diagram of Fig. 6.

Pulley folding is in the schematic diagram of panel bottom when Fig. 8 is the expansion of three folding table two panels of the utility model embodiment (concealing left panel).

Fig. 9 is the schematic diagram after Fig. 8 pulleys extending panel is outer.

Figure 10 conceals the schematic diagram after right panel for Fig. 9.

Figure 11 is three pulley schematic diagram of the utility model embodiment.

Figure 12 is Figure 11 decomposition diagrams.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing embodiment.

Embodiment one：Fig. 1-Fig. 3 be installed with according to the utility model pulley 4 folding table, mainly include by The identical left/right panel 1a, 1b of two sizes, shape, the left and right frame 2a, 2b for being separately fixed at left/right panel bottom, with Two movable foot stool unit 3a, 3b folded and two pulleys 4 that left and right frame is connected etc..Wherein, left/right panel can be with Using hollow blow molding panel, and numerous shapes of the desktop bottom in figure, recess not of uniform size, frame and foot stool list The structure of member, other than scheme shown in the present embodiment figure, can retrofit or using other well known technology.

The utility model folding table is mainly characterized by desk dress there are two pulley 4, concrete structure such as Fig. 4 of pulley 4, Shown in Fig. 5, it is mainly assembled by bow 41, wheel 42, spring 46 and pedestal 45 etc. and formed, and wherein wheel 42 passes through Axis 43 is located at the forepart of bow 41, rotatable；Pedestal 45 has is folded up the left and right side plate formed by bottom plate both sides, left, An axis hole is respectively equipped on right plate, the both ends of a connecting shaft 44 are located in two axis holes is connected to pedestal 45 coaxially with wheel On, the tubular tail portion of bow 41 is sleeved in the connecting shaft 44；Spring 46 is sleeved in connecting shaft 44, and both ends are pushed up respectively Between right plate and the tubular tail portion of bow, bow 41 is made to be remained to the left by the effect of the spring force The trend of plate movement.And a limit hole 451,452 is respectively equipped in the axis hole both sides of left plate, with two limit hole 451,452 It is corresponding to be equipped with a spacing projection 411 in the side of the bow, when bow 41 turns outward around connecting shaft 44 When dynamic, bow 41 can make spacing projection 411 thereon be inserted into the limit hole 451 for being located at outside under spring force It is interior, and lock, make to stretch out state at wheel 42.As long as spacing projection 411 is made to be detached from limit to unlock then manual bow 41 Position hole 451.Equally, when bow 41 is inwardly rotated around connecting shaft 44, spacing projection 411 thereon is inserted into positioned at interior It is locked in the limit hole 452 of side, makes folding state at wheel 42.Pass through two limit holes 451 on pedestal, 452, fork in this way The collective effect of spacing projection 411 and spring 46 on shape stent makes the wheel 42 on bow be locked in beating after outer turn Folding state after open state or interior turn, it is simple in structure, easy to use.But here it should be noted that the knot of literary middle left and right side plate Structure is opposite, and the two is also interchangeable, equally can also reach the purpose of this utility model.

The present embodiment pulley 4 shown in figure is installed in the side of right panel 1b width directions, the bottom plate on pedestal 45 450 are fixedly linked in together with the bottom of right panel 1b.And pulley is mounted in the side in panel width direction, then embody this folding The human oriented design of folded table, because the width of general desk drags the height of object with human body between 0.72 meter -0.76 meter Match, use more accord with human engineering mechanics in this way, make table moving easy and convenient.And the length of desk often has and reaches 2.4 meters, the desk length after such doubling also has 1.2 meters, therefore pulley is such as mounted in the side in panel length direction, then drags During shifting and the height of human body is uncomfortable, laborious when dragging and be not easy to hold its stability.Therefore pulley makes mounted in panel width direction The structure of this folding table is more reasonable, humanized.

And above-mentioned pulley 4 can also be mounted on left panel 1a, and pulley 4 can also be made by the appropriate remodeling of pedestal 45 It is mutually fixed with frame and is arranged on the bottom of desktop, and is not limited to this this embodiment fixed form shown in figure.

When this folding table is unfolded, by 42 folding of wheel on pulley 4 in the bottom of desktop；When folding table folds, first will Wheel 42 on pulley 4 is stretched out outside desktop, when such folding table is moved, is contacted by wheel 42 with ground surface, and very comfortable saves Power.It lifts for the convenience of the users simultaneously, it is (only simple in figure that knob 5 is also equipped in the desktop bottom of 4 opposite side of pulley Signal), knob 5 is pulled out when using, is fixed on the bottom of desktop when not in use.

Embodiment two：As shown in Figure 6, Figure 7, it is different to be locked out structure from the main distinction of embodiment one for it, that is, is different from The limit hole of embodiment one and the lock mode of spacing projection, but the locking that limiting slot 453,454 is used to coordinate with stopper 412 Mode.Specifically：A U-shaped limiting slot 453,454 is respectively equipped in the both sides of the axis hole of left plate, it is corresponding with two limiting slot Be equipped with the limiting stopper 412 that is formed by a notch in the side of the bow, when wheel 42 stretches out, limiting stopper 412 are inserted into the limiting slot 453 in outside and lock；During 42 folding of wheel, limiting stopper 412 is inserted into the limiting slot 454 of inside And it locks.

Embodiment three：As shown in Fig. 8-Figure 12, its main distinction with above-mentioned two embodiment is that pulley 4 is not and desktop Bottom is mutually fixed, and is stationarily connected on frame (square tube for being fixed on desktop bottom), therefore in order to be suitble to and frame Fixed form, pedestal 45 and bow 41 have made some remodeling.Specifically pedestal 45 has side plate and lateral by side plate two The left and right baffle inside turned up, this pulley are and on desktop after being connect by the side plate with frame.In left and right baffle Equipped with the axis hole set for connecting shaft, and be respectively equipped with inside and outside the axis hole of right baffle-plate a rectangular location hole 455, 456, two rectangular location holes 455,456 are not on a horizontal line.

Wheel 42 uses two-wheel minor structure, mounted in the forepart of bow.Also there is a tubular at the rear portion of bow 41 Tail portion, positioned at connection forepart and 414 lower section of plate connecting portion at rear portion, the left side of the tubular tail portion is a non-circular abnormity Hole 415 can be limited for being sleeved on one end of the spring 46 in connecting shaft 44, i.e., 46 one end of spring is the right gear for withstanding on bow On plate, the other end is withstood on the inner wall of irregularly-shaped hole 415, make in this way bow 41 by the effect of the spring force remain to The trend of right baffle-plate movement.The rectangular limiting with two rectangular location holes 455,456 phase insertings is equipped in the left side of tubular tail portion Protrusion 413, use principle is the same as both of the aforesaid embodiment, i.e., when bow 41 is turned out around connecting shaft 44, fork-shaped branch Frame 41 can be such that rectangular stopper protrusion 413 is thereon inserted into the rectangular location hole 455 in outside under spring force, and Locking makes to stretch out state at wheel 42.Then as long as to be detached from rectangular stopper protrusion 413 rectangular for manual bow 41 to unlock Location hole 455.Equally, when bow 41 is inwardly rotated around connecting shaft 44, rectangular stopper protrusion 413 thereon is inserted into It is locked in the rectangular location hole 456 of inside, makes folding state at wheel 42.

Claims (9)

1. a kind of pulley, including：

Bow；

Wheel can be rotatably set in by axis on bow；

It is characterized in that it has been further included：

Pedestal, be provided on pedestal with the homoaxial connecting shaft of wheel, the tail portion of the bow is rotatably sleeved on In the connecting shaft；

Locking structure is located between pedestal and bow, make the wheel on bow be locked in the opening state after outer turn or Folding state after interior turn.

2. pulley as described in claim 1, it is characterised in that：The pedestal has left and right side plate, is set on left and right side plate There is the axis hole for the connecting shaft setting, and the both sides of the axis hole in left plate are respectively equipped with a limit hole；The company Spindle is equipped with an elastic component, the bow is made to remain becoming to the left plate movement from the elastic component Gesture；With two limit holes it is corresponding the side of the bow be equipped with spacing projection, the spacing projection It is inserted into respectively in two limit holes and forms the locking structure.

3. pulley as described in claim 1, it is characterised in that：The pedestal has is folded up what is formed by bottom plate both sides Left and right side plate, left and right side plate are equipped with the axis hole set for the connecting shaft, and the both sides point of the axis hole in left plate It She You not a U-shaped limiting slot；There is an elastic component in the connecting shaft, remain the bow by the elastic component The trend moved to the left plate；With two limiting slots it is corresponding the side of the bow be equipped with by The limiting stopper that one notch is formed, the limiting stopper are inserted into two limiting slots and form the locking structure.

4. pulley as described in claim 1, it is characterised in that：The pedestal have the left side being inwardly folded by side plate both sides, Right shell body, left and right baffle is equipped with the axis hole set for the connecting shaft, and the both sides of the axis hole in right baffle-plate are set respectively There is a positioning hole；The connecting shaft is equipped with an elastic component, the bow is made to remain to institute from the elastic component The trend of right baffle-plate movement stated；With two location holes it is corresponding the side of the bow be equipped with limit convex Portion, the stopper protrusion are inserted into two location holes and form the locking structure respectively.

5. pulley as claimed in claim 2, it is characterised in that：The elastic component uses the spring being sleeved in connecting shaft, Both ends are withstood on respectively between right plate and the tubular tail portion of bow.

6. pulley as claimed in claim 4, it is characterised in that：The pedestal has the pipe tail passed through for connecting shaft Portion, the left side of tubular tail portion is irregularly-shaped hole；Using the spring being sleeved in connecting shaft, both ends are withstood on the elastic component respectively Between right plate and the inner wall of irregularly-shaped hole.

7. a kind of folding table using any one pulley in requirement 1~6 of having the right includes：

Desktop, include can doubling left/right panel；

Frame, includes left and right frame, is installed in the bottom of left/right panel respectively；

Foot stool including two folding foot stool units, is connected with left and right frame respectively；It is characterized in that：On the left side One side of the width direction of plate or right panel is equipped with pulley, when the folding table expansion, the wheel folding of the pulley In the bottom of the desktop；When the folding table folds, the wheel of the pulley is stretched out outside the desktop.

8. folding table as claimed in claim 7, it is characterised in that：The pedestal of the pulley is mutually fixed with the bottom of desktop.

9. folding table as claimed in claim 7, it is characterised in that：The pedestal of the pulley is mutually fixed with frame.