CN206119575U - Telescopic table - Google Patents

Abstract

The utility model provides a telescopic table, it includes a frame, constitute by two flexible pipe fittings and two binding pipe fittings, establish four table feet below the table frame, a fixed table is established to table frame top, this two flexible pipe fitting is parallel arrangement, an outer tube respectively has, each holding has two inner tubes in it, establish a gear in the middle of this outer tube, this two inner tube respectively is equipped with a tooth row, with this gear engagement, but borrow this to make two inner tube synchronous telescope, outer end at this two inner tube respectively is equipped with a movable part, two extension leaf, the one of which side is established on this movable part, another side can be put on this fixed table, this two extension leaf can mutually and close and be the desktop that reduces, or it is the desktop of upholding to draw back and be somebody's turn to do to fix the table and close, the intraductal jacking piece of respectively establishing in this, be used for this extension leaf's free end jacking, it opens and shuts to make it stretch out and draw back.

Description

Extension table

Technical field

The utility model is relevant with furniture, especially with regard to a kind of telescopic desk.

Background technology

Telescopic desk is mostly that a desktop is split into two halves in prior art, and two halves can be stretched outward, and centre can The table of one or two is installed additional in addition with manual type, desktop is extended whereby, or the middle desktop for lengthening can convert into and past Under be collected in desktop lower section, this class formation operationally wants multiple steps, and comparison is inconvenient.

Utility model content

The utility model is intended to overcome drawbacks described above, i.e., main purpose of the present utility model is to provide a kind of extension table, Its operation is simple.

For achieving the above object, according to a kind of extension table provided by the utility model, it includes a table frame, is by two Flexible pipe fitting and two links pipe fitting composition, and four feets are set below table frame, and table frame top sets a fixation table, two telescoping tube Part is set in parallel, and respectively with an outer tube, two inner tubes is respectively equipped with it, and a gear is set in the middle of the outer tube, and two inner tube is each Be provided with a tooth row, engage with the gear, make whereby two inner tubes can synchronization telescope, be respectively provided with a movable structure in the outer end of two inner tube Part, two extension leafs, one side is located on the movable part, and another side can be placed on the fixation table, two drop table Plate mutually and can be closed in a desktop for reducing, or is pulled open with the fixation table and closed the desktop in an extension, in the inner tube A jacking part is respectively set, to by the free end jacking of the extension leaf so as to be able to flexible folding.

Description of the drawings

Fig. 1 is the stereogram of the utility model embodiment, shows condensed state.

Fig. 2 is the front view of Fig. 1.

Fig. 3 is the stereogram of the utility model embodiment, shows stretched condition.

Fig. 4 is the front view of Fig. 3.

Fig. 5 is the exploded perspective partial sectional view of telescoping tube (20) part.

Fig. 6 is the combination partial sectional view of flexible pipe fitting.

Fig. 7 is the sectional view of 7-7 hatching lines along Fig. 6.

Fig. 8 is the partial sectional view that circle A positions are drawn in Fig. 1.

Fig. 9 is the exploded perspective view of table frame portion position in Fig. 8.

Figure 10 is analogous to Fig. 8, shows extended state.

Figure 11 is the sectional view of 11-11 hatching lines along Fig. 8, the sincere component stopper state of display adapter.

Similar to Figure 11, the sincere component of display adapter does not have stopper state to Figure 12.

Figure 13 to 20 is assembled sectional view of the present utility model, wherein

Figure 13 is to show condensation stopper state.

Figure 14 be show solution it is sincere after extended state outward.

Figure 15 is to show that extension leaf continues extended state outward.

Figure 16 is to show stretched condition.

Figure 17 is to show to be condensed first slightly to stretch outward and want the state of jack-up extension leaf free end before.

Figure 18 is the state of jack-up extension leaf free end.

Figure 19 is the state for elapsing extension leaf behind jack-up extension leaf free end inside.

Figure 20 is that extension leaf continues to elapse inside and drop down onto the state on fixed table.

Figure 21 is the front view of the table under installing below the utility model extension table.

Figure 22 is the stereogram of the c-type collar in Figure 21.

Figure 23 is analogous to Fig. 9, is the structure of the utility model second embodiment.

Figure 24 to 32 is the action diagram of the utility model second embodiment；

Wherein, it is the condensed state figure of second embodiment shown in Figure 24；

It is the state for outward stretching extension leaf shown in Figure 25；

It is will to push the state diagram of jacking part when extension leaf is stretched to and falls fixed table shown in Figure 26；

User shown in Figure 27 pulls catch with finger makes projection deviate from the state diagram of the catch；

It is that extension leaf is fallen in stretched condition shown in Figure 28；

It is that first extension leaf pulls outward shown in Figure 29, makes the state diagram of the free end of the jacking part jack-up extension leaf；

It is the state diagram for inside pushing away extension leaf shown in Figure 30；

Figure 31 is the state diagram that extension leaf is placed on fixed table, and now catch will fall fastening projection, make drop table Plate keeps horizontality；

It is to continue extension leaf to be pushed into condensed state inside shown in Figure 32.

【Description of reference numerals】

The table frame of 10 extension table 15

20 flexible pipe fittings 24 link pipe fitting

The outer tube of 25 quadripolar corners part 21

The feet of 22 inner tube 16

The movable part of 11 table 26

The jacking part of 12 extension leaf 27

The gear of 120 free end 23

221 tooth rows 211 protrude out section

212 213 long slot bores of perforation

The toggle of 261 first toggle 262 second

The axle of 265 1 axle 266 1

The planar portions of 224 elongated hole 263

The spring of 265 pivot 267

The long slot bore of 264 groove 213

214 tube walls 222 are bored a hole

271 springs 273 are sophisticated

The hole wall of 272 hypotenuse 21 21

The corner fittings of 272 hypotenuse 25

251 28 capture features of perforation

The clamping hole of 281 holding firmware 223

The clamping hole of 282 spring 223

The c-type collar of 161 minor diameter part 17

The platform part of 171 bolt 172

25 corner fittings 251 are bored a hole

The jacking part of 252 sliding part 31

The point of 311 arm 312

The toggle of 32 movable part 322 second

The breach of 323 projection 220

33 catch 331 332 is bored a hole

323 projections

Specific embodiment

To make the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with specific embodiment, and Referring to the drawings, the utility model is described in further detail.

As shown in Figures 1 to 4, extension table (10) of the present utility model includes：One table frame (15), is by two flexible pipe fittings (20) with two links pipe fitting (24) and the square box that constituted of quadripolar corners part (25), each of which stretch pipe fitting (20) be all by One outer tube (21) is constituted with two inner tubes (22)；Four feets (16), are separately fixed at the lower section of the table frame (15)；One fixes table (11), it is installed on two outer tubes (21) of the table frame (15)；Four movable parts (26), are hubbed on the outside of four inner tube (22) End；Two extension leafs (12), are respectively fixed on two movable part (26) with side；Four jacking parts (27), are located at four inner tube (22) in, to the free end (120) of the jacking extension leaf (12).Wherein：

As shown in Figs. 5 to 7, each group of flexible pipe fitting (20) is respectively provided with a gear (23) in the centre of its outer tube (21), its The tube wall of two inner tubes (22) is respectively provided with a tooth row (221), and two inner tube (22) is to be contained in the outer tube in left and right mode arranged side by side (21) in, its tooth row (221) is simultaneously engaged with the gear (23), and the effect of synchronization telescope is reached whereby.

As shown in figure 8, the length of the fixation table (11) is little compared with the length of the outer tube (21) of two telescoping tube (20), this is made Two outer tubes (21) respectively form one and protrude out section (211) in the both sides of the fixation table (11), and each section (211) that protrudes out is being consolidated near this The position for determining table (11) is respectively provided with an elongated perforation (212), and near outboard end a long slot bore (213) is being respectively provided with.

As shown in figure 9, the movable part (26) is a toggle mechanism, include one first toggle (261) and one second elbow Section (262), one end of first toggle (261) is hubbed in the outboard end of the inner tube (22) with an axle (265), second toggle (262) one end with the other end pivot joint of an axle (266) and first toggle (261), outside the other end of second toggle (262) The default elongated hole (224) of the inner tube (22) is exposed at outward, with a planar portions (263), in the pivot of the first toggle (261) (265) spring (267) is set on, makes the first toggle (261) be maintained at the state of act, as shown in figure 13, in second toggle (262) be provided with a groove (264), when the inner tube (22) is condensed to its most inner side, the groove (264) can inlay card it is outer at this On the tube wall (214) of long slot bore (213) inner side edge of pipe (21), positioning is formed.

As shown in Figure 10, two extension leaf (12) is respectively to be separately fixed at two flexible pipe fitting (20) homonymy with side In the planar portions (263) of two movable parts (26) of two inner tubes (22), can two movable part (26) make the activity for pivot The free end (120) of table (12) is able to lifting.

As shown in Fig. 8,13, when the two flexible pipe fitting (20) is in condensed state, the free end of two extension leaf (12) (120) be to be shelved on the fixation table (11) to be in and close desktop (as shown in Figure 1, 2), the fixation table (11) be located at this two Extension leaf (12) lower section.

As shown in figure 16, when the two flexible pipe fitting (20) is in stretched condition, the free end of two extension leaf (12) (120) it is to be shelved on the protruding out in section (211) of two outer tube (21), and with the fixation table (11) and synthesizes a desktop (as schemed 3rd, shown in 4).

As shown in Fig. 5,9,10, the jacking part (27) is provided in the inner tube (22), to the jacking extension leaf (12) Free end (120) so as to can smoothly cross fixation table (11) edge and be shelved on the fixation table (11) (such as Shown in Figure 18).The jacking part (27) is hubbed in the inner tube (22) with one end, and the inner tube (22) is to should jacking part (27) Position is provided with a perforation (222), and the other end for alloing the jacking part (27) is protruded out and exposes outside the inner tube (22), should to jacking Extension leaf (12), also can be pressurized and submerge in the inner tube (22), a spring (271), be maintained at the jacking part (27) Protrude out exposed uncovered positions, the other end of the jacking part (27) in sophisticated (273), with two hypotenuses (272), when the inner tube (22) it is past During outer drawing, the tip (273) of the jacking part (27) touches the hole wall (2121) of the perforation (212) of the outer tube (21) (as schemed 17), when continuing to pull outward, the jacking part (27) leans the guiding function of the hole wall (2121) by one hypotenuse (272) And be forced gradually to erect, and protrude out and expose outside the perforation (212) and the free end (120) of the jacking extension leaf (12).

The quadripolar corners part (25) is slightly L-shaped, respectively holds corner fittings (25) to be embedded in the outer of two outer tube (21) with its one end respectively Side, its other end is embedded for two ends of two connecting piece (24), and quadripolar corners part (25) is respectively provided with a perforation (251), interior for this Pipe (22) wears.

Wherein one end angle is provided with a capture feature (28) to the table frame (15), uses so that the flexible pipe fitting (20) is in condensation Keep fixing positioning (as shown in figure 11) during state, the extension leaf (12) can be avoided unexpectedly to be pulled.

The capture feature (28) includes a holding firmware (281), in one end corner fittings (25), in the capture feature (28) The inner tube (22) that the end corner fittings (25) at place is worn is provided with a clamping hole (223), a spring (282), located at the holding firmware (281) and between the end corner fittings (25), to make holding firmware (281) stopper clamping hole (223), this need to only be pulled when being intended to solve sincere Holding firmware (281).

As shown in figure 21, it is located in four feet (16) below the fixation table (11) and is provided with table (18), should Feet (16) is provided with a minor diameter part (161), and a c-type collar (17), as shown in figure 22, the opening of the collar (17) are arranged with thereon End both sides are sealed with a bolt (171), a platform part (172) are provided with the openend of the collar (17), for the lower table (18) It is fixed.

It is described as follows with regard to mode of operation of the present utility model：

As shown in figure 13, now the extension table is that the capture feature (28) is card as shown in Fig. 8,11 in condensed state The firmly inner tube (22), when stretching desk, user first pulls the holding firmware (281) so as to depart from stopper, as shown in figure 12, Then pulling the extension leaf (12) makes it drive the inner tube (22) to stretch outward, and the inner tube (22) is by tooth row (221) and tooth The effect of wheel (23) is so that the inner tube (22) of opposite side makes the synchronous outer shifting of extension leaf (12) of opposite side synchronously toward overhanging.

As shown in Figure 14,15,16, the extension leaf (12) is stretched and comes, and the weight of the extension leaf (12) causes this Movable part (26) is down compressed, and makes the inclined angle of extension leaf (12), as shown in figure 15, is further continued for pulling outward, The protruding out in section (211) of the outer tube (21) is fallen in the free end of the extension leaf (12), as shown in figure 16, the now jacking part (27) tip (273) is to be located at perforation (212) position, the extension leaf (12) and the fixation table (11) in and close shape State.

As shown in Figure 18,19,20, when to be condensed desk, user first pulls the extension leaf (12) to make it slightly past Outer displacement, the tube wall (2121) that now tip (273) of the jacking part (27) is pushed up to the perforation (212) of the outer tube (21) (is such as schemed Shown in 17), when the extension leaf (12) continues to pull outward, the jacking part (27) is forced up jacking, by its hypotenuse (272) jacking part (27) is made gradually to erect with the effect of tube wall (2121), the tip (273) of the jacking part (27) is gradually By free end (120) the up jacking of the extension leaf (12) so as to free end (120) higher than the fixation table (11), then, As shown in figure 19, user elapses the extension leaf (12) and draws close inside, and now the jacking part (27) comes to the perforation (212) separately In the tube wall of side, and down being compressed, and the outer tube (21) of gradually retracting, as shown in figure 20, the extension leaf (12) from Fallen on the fixation table (11) by end (120), user continues to press on the extension leaf (12) and moves inside, finally this is two movable Table (12) closing is closed up on the fixation table (11), the groove (264) of second toggle (262) of the movable part (26) with Tube wall (214) the inlay card positioning of the outer tube (21).

Additionally, moving in the outer tube (21) for ease of the inner tube (22), the present embodiment can be in the tail end of the inner tube (22) Upside set a sliding part (225) (as Fig. 5,13), the end corner fittings (25) perforation (251) openend lower section set a sliding part (252) (as Fig. 9,13).

Construction of the present utility model is simplified, easy to operate, as long as people can easily operate the extension table, really for front Not some innovations.

As shown in figure 23, it is second embodiment of the present utility model, it continues to use identical with first embodiment identical part Label, it has at two with the difference of first embodiment, and the shape of the first its jacking part (31) is different, second embodiment Jacking part (31) makes whereby drop table with an angle from the arm (311) with an arm (311) along a point (312) is stretched When plate (12) pushes jacking part (31) (as shown in figure 26) or during jacking part (31) jack-up extension leaf (12) (such as Figure 29 institutes Show) all more flexibly smoothly；It two is that the outer end of the second toggle (322) of its movable part (32) is provided with a projection (323), separately The outer end of external its inner tube (22) sets breach (220), and be pivoted a catch (33) above breach (220) place, the catch (33) It is elongated, upper and lower two perforation (331) (332) is provided with, it is available for the projection (323) to pass through.It is as shown in figure 24 second embodiment In condensed state, now its projection (323), positioned at upper perforation (331) position of the catch (33), is as shown in figure 25 by activity Table (12) is stretched outward, and now the movable part (32) is held and will not be moved down by catch (33), therefore the extension leaf (12) Horizontality can be kept, as shown in figure 26 this will be pushed when the extension leaf (12) is stretched to falls fixation table (11) Jacking part (31), then user as shown in figure 27 pulls the catch (33) with finger makes the projection (323) deviate from the catch (33), the extension leaf (12) is fallen as shown in figure 28 in stretched condition, and now the projection (323) is to be located at the catch (33) Lower perforation (332) position.When to be condensed desktop again, its action is identical with first embodiment, and first this lives as shown in figure 29 Dynamic table (12) pulls outward, and the free end of jacking part (31) jack-up extension leaf (12) is made, then by the extension leaf (12) push away inside as shown in figure 30, the extension leaf (12) is placed on the fixation table (11) as shown in figure 31, now the gear Piece (33) will fall and fasten the projection (33), make the extension leaf (12) that horizontality, continuation must be kept to be pushed into condensation shape inside State is as shown in figure 32.The characteristics of second embodiment is that its extension leaf (12) can keep horizontal in stretching or condensation State so that desktop of the present utility model still can be used in the state of can launching half.

Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect Step is described in detail, it should be understood that be the foregoing is only specific embodiment of the utility model, is not limited to this reality With new, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements done etc. all should be included Within protection domain of the present utility model.

Claims (10)

1. a kind of extension table, it is characterised in that include：

Two flexible pipe fittings, each flexible pipe fitting includes an outer tube and two inner tubes, in the centre of the outer tube gear is provided with, should The tube wall of two inner tubes is respectively provided with a tooth row, and two inner tube is contained in the outer tube in left and right mode arranged side by side, its tooth row with should Gear is engaged, and the two flexible pipe fitting is set in parallel；

Two link pipe fitting, affixed with the outer tube of the two flexible pipe fitting homonymy with its two end respectively, form a table frame；

Four feets, are separately fixed at the lower section of the table frame；

One fixes table, is installed on two outer tube；

Four movable parts, are hubbed on respectively the outboard end of four inner tube；

Two extension leafs, are respectively separately fixed on two movable parts of two inner tubes of the two flexible pipe fitting homonymy with side, can be with Two movable part enables the free end lifting of the extension leaf for pivot, when the two flexible pipe fitting is in condensed state, should Two extension leafs are to be shelved on the fixation table to be in and close desktop, and the fixation table is to be located at the two extension leafs lower section, when When the two flexible pipe fitting is in stretched condition, two extension leaf is respectively rested in two inner tubes of the two flexible pipe fitting side, and With the fixation table and synthesize a desktop；Wherein

A jacking part is respectively provided with each inner tube, is allow it smoothly to cross this to the free side of the jacking extension leaf and is consolidated Determine table edge and be shelved on the fixation table.

2. extension table according to claim 1, it is characterised in that wherein length of the length of the fixation table compared with two outer tube Degree is little, makes two outer tube respectively form one in the both sides of the fixation table and protrudes out section, and each section that protrudes out is near the fixation table Position is respectively provided with an elongated perforation, and the jacking part is hubbed in the inner tube with one end, the inner tube to should jacking part position A perforation is installed, the other end for alloing the jacking part is protruded out and exposes outside the inner tube, to the jacking extension leaf, also can be received Press and submerge in the inner tube, a spring protrudes out exposed uncovered positions be maintained at the jacking part, the other end of the jacking part is in point Shape, with a hypotenuse, when the inner tube is pulled outward, the tip of the jacking part can be suitable when touching the hole wall of the perforation of the outer tube The hypotenuse makes the jacking part be forced to protrude out and expose and the free side of the jacking extension leaf.

3. extension table according to claim 1, it is characterised in that the wherein movable part is a toggle member, the toggle Component includes one first toggle and one second toggle, and first toggle is hubbed in the outboard end of the inner tube with one end, and this Two toggles are exposed at outside the inner tube, with one with the other end pivot joint of one end and first toggle, the other end of second toggle Planar portions, with fixing for the extension leaf.

4. extension table according to claim 3, it is characterised in that the outboard end for protruding out section of the wherein outer tube is provided with a length Slotted eye, the second toggle of the toggle member is provided with a groove, and when the inner tube is condensed to its most inner side, the groove can inlay card On the tube wall of the long slot bore inner side edge, positioning is formed.

5. extension table according to claim 1, it is characterised in that be wherein located under the fixation table in four feet Side is provided with table.

6. extension table according to claim 5, it is characterised in that wherein the feet is provided with a minor diameter part, is arranged with thereon The one c-type collar, the openend both sides of the collar are sealed with a bolt, a platform part are provided with the openend of the collar, under this Table is fixed.

7. extension table according to claim 1, it is characterised in that wherein include quadripolar corners part, it is slightly L-shaped, respectively hold angle Part is embedded the outboard end in two outer tube with its one end respectively, and its other end is embedded for two ends of two connecting piece, quadripolar corners part A perforation is respectively provided with, is worn for the inner tube.

8. extension table according to claim 7, it is characterised in that be wherein provided with a fixing structure at one end angle of the table frame Part, uses so that the flexible pipe fitting keeps fixing positioning in condensed state.

9. extension table according to claim 8, it is characterised in that wherein the capture feature includes a holding firmware, is located at In the corner fittings of one end, the inner tube that the end corner fittings being located in the capture feature is worn is provided with a clamping hole, a spring, located at the fixing Between part and the end corner fittings, to make the holding firmware stopper clamping hole.

10. extension table according to claim 3, it is characterised in that it is convex that the second toggle of the wherein movable part is provided with Post, the outer end of the inner tube is provided with a breach, and a catch is hubbed on the breach, and the catch is provided with two perforation, is available for the projection to pass through.