CN2745422Y

CN2745422Y - Slide rail for pulling and expansion table top

Info

Publication number: CN2745422Y
Application number: CN 200420084674
Authority: CN
Inventors: 王明正
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-08-04
Filing date: 2004-08-04
Publication date: 2005-12-14
Anticipated expiration: 2014-08-04

Abstract

The utility model relates to a slide rail for pulling and expanding the table top, which is characterized in that the utility model comprises a parent rail with three layers overlapped for sliding, and an inner and an outer rails, wherein both ends of the parent rail are pivoted with rollers, a flexible cord body is wound between the two rollers, a connecting element for connecting the flexible cord body is arranged at one side of the inner and the outer rails, and an engaging piece is used for locking and fixing a table. Therefore, when one side table is pulled, the outer rail drives the flexible cord body through the connecting element to slide on the two rollers and drives the inner rail of another side table to be pulled outwards synchronously in a cord-pulling driving mode so that the inner and the outer rails and the parent rail have an appropriate engaging length. Therefore, the utility model has the advantages of double-acting table, improvement on the supporting strength and great reduction of the noise.

Description

But pull extends the slide rail of desktop

Technical field

The utility model relate to a kind of can two moving tables and increase support strength, but and can significantly reduce the slide rail that the pull that uses noise extends desktop.

Background technology

Now, furniture is the amplification desktop, then be provided with left and right table, but and the flexible slide rail of a pull of arranging in pairs or groups, left and right table can be stretched out and increase usable floor area, and slide rail drives the mode of table start and generally is divided into single action and two moving two kinds, with the slide rail of two moving designs, be divided into two layers of stacked-up type slide rail and three layers of stacked-up type slide rail again, be described as follows now:

1, two layers of stacked-up type slide rail: see also Fig. 1, shown is the TaiWan, China patent application No. 85218199 " the rail structure improvement of adjustable table body " of the previous application of applicant, it is to be provided with gear 2 on a female rail 1, and be provided with a left side in the place ahead, right side rail 3,4, this left side, right side rail 3,4 respectively are provided with a tooth bar 5,6, with be engaged in respectively female rail 1 gear 2 on, the below, an and then left side, right side rail 3,4 two tables 7 that can lock, 8, when pull one side plate 8, the tooth bar 6 of its right side rail 4 is driven gear 2 rotations, and make gear 2 transmission left side rail 3 to outer displacement, and open two tables 7 synchronously, 8; Only, this left and right siding track is the place ahead that is listed in female rail, and each length only is half of female rail, when the outside pull of left and right siding track during to maximum length, the desktop though can effectively increase, its with female rail to be connected length relatively limited, easily cause the not good defective of slide rail support force.

2, three layers of stacked-up type slide rail: see also Fig. 2～3, shown is TaiWan, China patent application the 87213720th (A01) number " but pull extends the slide rail (appending) of desktop " patent case of the previous application of applicant, in its female rail 9 that comprises three layers of mutual stacked slippage reaches,

outer rail

10,11, a gear 12 is pivoted on this mother's rail 9, and in the difference fit of both sides, front and back,

outer rail

10,11, in being somebody's turn to do,

outer rail

10,11 offer perforation 13 in a row in a side of nearly female rail 9

gears

12,14, can set for gear 12, be provided with keeper 15 in female rail 9 in addition, and in,

outer rail

10,11 upper punches are shaped on

retaining edge

16,17, and then should mother's rail 9 be to be locked on the body 18, and in, outer rail 10, lock respectively for 11 and establish a table 19,20, when pull one side plate 20, the outer rail 11 that this side links is promptly with perforation 14 driven gears in a row 12 rotations, skid off and make gear 12 drive reverse simultaneously extension of another chimeric interior rail 10, in being somebody's turn to do,

outer rail

10,11 with

retaining edge

16,17 replace spacing with the keeper 15 of female rail 9 mutually, make two tables 19,20 starts synchronously, and because in being somebody's turn to do,

outer rail

10,11 length and female rail 9 are isometric, when outwards stretching is same as the use length of above-mentioned two layers of stacked-up type slide rail, still can keep suitable linking length, and then effectively increase support strength; Yet, though this slide rail can improve the defective of above-mentioned slide rail, but the perforation in a row of outer rail is when the gear rotation that drives female rail, and each perforation can produce with the tooth portion of gear and touch, and answers and send. the sound, cause and use the defective that goes up the noisy sound of tool, gear and keeper that in addition should mother's rail, and the perforation in a row of inside and outside rail and retaining edge, it not only makes difficult, and quite time-consuming in the assembling, all significantly increase cost of manufacture.

Summary of the invention

Main purpose of the present utility model is the defective that overcomes above-mentioned prior art, but the slide rail that provides a kind of pull to extend desktop, can two moving tables and support strength to improve, reduce and use noise.

The purpose of this utility model realizes by following technical proposals, but pull provided by the utility model extends the slide rail of desktop includes three stacked female rail and the inside and outside rails of putting slippage, it mainly is to be pivoted with roller at the two ends of this mother's rail, for enclosing around a flexible wire body, be provided with connecting piece in order to binding flexible wire body at the near inner place of inside and outside rail in addition, and with joining piece locking table; In view of the above, when pull one side plate, its outer rail promptly drives the flexible wire body with connecting piece and moves on second wheel, and the rolling that makes flexible wire body and roller make the line body contacts, can avoid assembly on mutual the driving, to produce and touch the sound, drawing kind of drive drive to be positioned at other rail of side of flexible wire body with line outwards stretches, and open other side plate synchronously, and because in, outer rail and female rail are isometric, behind the stretching certain-length, still can keep suitable linking length, make slide rail not only reach two moving tables and increase support strength, more can significantly reduce the Practical Benefit that slide rail uses noise.

Preferable mode of the present utility model is described female rail with the stator roller that is pivoted, when inside and outside rail outwards stretches, can make connecting piece contact stator and spacing, in case on-slip is taken off, keeper and punching out retaining edge needn't be set separately, reach the Practical Benefit of saving cost of manufacture.

Advantage of the present utility model is that the roller of female rail and flexible wire body are easy to make, and inside and outside rail needn't be offered perforation in a row, only need to link the flexible wire body, can drive telescopic displacement mutually, reach assembly and be easy to the Practical Benefit of making, assembling and reducing cost with connecting piece.

Understand for having further, lift a preferred embodiment and conjunction with figs. below now and be described in detail the utility model.

Description of drawings

Fig. 1 is the use schematic diagram of No. 85218199 patent case of habit formula TaiWan, China;

Fig. 2 is the structural representation of habit formula TaiWan, China the 87213720th (A01) number patent case;

Fig. 3 is the use schematic diagram of Fig. 2;

Fig. 4 is a parts explosion of the present utility model;

Fig. 5 is a combination front-view schematic diagram of the present utility model;

Fig. 6 is a combination schematic top plan view of the present utility model;

Fig. 7 is the schematic diagram of the utility model slide rail start;

Fig. 8 is the assembling schematic diagram that the utility model is fixedly arranged on a body;

Fig. 9 is the use schematic diagram of the synchronous start of the utility model two tables;

Figure 10 is the use schematic diagram of the utility model collocation cover plate.

The piece number index:

The habit formula

Female rail 1; Gear 2; Left side rail 3; Right side rail 4; Tooth bar 5,6; Table 7,8; Female rail 9; Interior rail 10; Outer rail 11; Gear 12;

Perforation

13,14; Keeper 15;

Retaining edge

16,17; Table body 18; Table 19,20;

The utility model

Female rail 30; Fit slot 31; Fit flange 32; Connect plate 33; Roller 34; Stator 35; Flexible wire body 36; Joining piece 37; Interior rail 40; Fit slot 41; Fit flange 42; Connecting piece 43; Locating ring 44; Perforation 441; Screw 442; Top bolt 45; Connect plate 46; Joining piece 47; Outer rail 50; Fit slot 51; Fit flange 52; Connecting piece 53; Locating ring 54; Perforation 541; Screw 542; Top bolt 55; Connect plate 56; Joining piece 57; Table body 60; Table 70,80; Cover plate 90.

The specific embodiment

See also shown in Fig. 4～6, the slide rail of pull extension desktop provided by the utility model includes female rail 30 of three layers of mutual stacked slippage, interior rail 40 and outer rail 50, this mother's rail 30 has the fit slot 31 of large mouth and than the fit flange 32 of osculum, and in last, 32 of following fit flanges are provided with and connect plate 33, this connection plate 33 is disposed into positioning piece respectively at nearly two ends, this keeper can be the roller 34 with pivot, and be clamped on two stators 35 and connect on the plate 33, one flexible wire body, 36 circles are around in 34 of second wheels, and be formed with flexible wire body section respectively in the both sides that connect plate 33, be provided with several joining pieces 37 in addition in the bottom surface of female rail 30, one identical interior rail 40 with fit slot 41 and fit flange 42, slip on the fit flange 32 of female rail 30 and stacked mutually with fit slot 41, and be provided with connecting piece 43 in the side place of nearly female rail 30, this connecting piece 43 is made up of a locating ring 44 and top bolt 45, the side of its locating ring 44 offers perforation 441 to be placed through on the flexible wire body 36, and offer screw 442 in the front, run through connection plate 46 for top bolt 45, and screw-in roof pressure flexible wire body 36, rail 40 and flexible wire body 36 are fixed in making is one, end face in interior rail 40 is provided with several joining pieces 47 in addition, one identical outer rail 50 with fit slot 51 and fit flange 52, slip in the fit slot 31 of female rail 30 and stacked mutually with fit flange 52, and be provided with connecting piece 53 in the side place of nearly female rail 30, this connecting piece 53 is made up of a locating ring 54 and top bolt 55, the side of its locating ring 54 offers perforation 541 to be placed through on the flexible wire body 36, and offer screw 542 in the front, run through connection plate 56 for top bolt 55, and screw-in roof pressure flexible wire body 36, make that outer rail 50 and flexible wire body 36 are fixed to be one, the end face in outer rail 50 is provided with several joining pieces 57 in addition; In view of the above, see also shown in Figure 7, when pull one side outer rail 50, this outer rail 50 promptly drives the slippage on second wheel 34 of flexible wire body 36 with connecting piece 53, and make flexible wire body 36 move along outer rail 50 pull-out directions, and drive be positioned at female rail 30 connect plates 33 in addition the flexible wire body section of sides do outwards to move in the other direction, rail 40 made inside and

outside rail

40,50 synchronous starts unlatchings along female rail 30 outside slippages in this flexible wire body section promptly drove with connecting piece 43; See also Fig. 7,8,9, shown in 10, when the assembling slide rail, its female rail 30 is to be locked on the body 60 with joining piece 37, and in,

outer rail

40,50 with joining

piece

47,57 tables 70 that lock respectively, 80, but and then be assembled into the desk that a pull extends desktop, when desire is extended desktop, but pull one side plate 80, and drive outer rail 50 along female rail 30 outside slippages, and make outer rail 50 drive the slippage on second wheel 34 of flexible wire body 36, because flexible wire body 36 is that the rolling of making the line body contacts with roller 34, it is the noise that to avoid producing in the transmission, this flexible wire body 36 drives and is positioned at the rail 40 outside slippages of side in addition of female rail 30, table 70 in the order on the rail 40 outwards moves, in making,

outer rail

40,50 drive two tables 70,80 synchronous starts are opened, and because in,

outer rail

40,50 with female rail 30 be adopt before and after three stacked putting, the length of each track is identical, in can making,

outer rail

40,50 behind the stretching certain-length, still can keep suitable linking length, and the support strength of increase slide rail, continue it, in can utilizing,

outer rail

40,50 connecting

piece

43,53 contact the stator 35 of female rail 30 and spacing, and then can be in two tables 70,80 amplification one spaces, for inserting a cover plate 90, reach the benefit of amplification desk usable floor area.

In sum, the utlity model has practicality and progressive.The above only is the preferred embodiment of utility model, and the equivalence of being familiar with the novel spiritual place of the skill personage Yi Ben of this area is such as modified or changed, and all should be encompassed in the claimed claim of the application.

Claims

1, but a kind of pull extends the slide rail of desktop, it is characterized in that this slide rail includes at least three stacked female rail and the inside and outside rails of putting slippage, the both sides of this mother's rail are provided with keeper, and circle links the flexible wire body with connecting piece respectively in the side of inside and outside rail in addition around a flexible wire body between this two keeper.

2, but pull according to claim 1 extends the slide rail of desktop, and the keeper that it is characterized in that this mother's rail is a roller, and is installed on female rail with stator.

3, but pull according to claim 1 extends the slide rail of desktop, the connecting piece that it is characterized in that this inside and outside rail is made up of locating ring and top bolt, the side of this locating ring offers perforation to be placed through on the flexible wire body, screw is then offered in the front, screws in locking for the top bolt runs through the plate of interior rail or outer rail.