CN2282358Y

CN2282358Y - Sliding rail for adjustable table

Info

Publication number: CN2282358Y
Application number: CN96244793U
Authority: CN
Inventors: 王明正; 王怡杰
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-12-05
Filing date: 1996-12-05
Publication date: 1998-05-27
Anticipated expiration: 2006-12-05
Also published as: EP0848922A2; EP0848922A3

Abstract

The utility model relates to a sliding rail for adjustable tables, which comprises a C-shaped sliding rail seat and two L-shaped sliding racks; a pulley guide rail and a rack bar guide groove are respectively formed on both sides of the C-shaped sliding rail seat, and a gear is fixed on the side wall of the C-shaped sliding rail seat; pulleys are respectively fixed and arranged above and under the side board of the L-shaped sliding rack, and rack bars are respectively fixed and arranged above and under the two L-shaped sliding racks; when the two sliding racks are respectively sheathed through both ends of the C-shaped sliding rail seat, the rack bar fixed on the sliding rack is slid and engaged with the gear in the sliding rail seat on the upper and the lower part, the pulley slides along the pulley guide rail, the sliding rails are arranged on both sides of a table body, a table board on one end is pulled to drive the table board on the other end to slide out, and the purpose of increasing the area of the table surface is achieved.

Description

The slide rail of adjustable table body

The utility model relates to the daily product desk, and You Zhike adjusts the desk of desktop size, particularly a kind of slide rail that adopts rail structure to carry out the adjustable table body of desktop adjustment.

Traditional table body, generally the size of its desktop is all fixed-type, but along with the development of industry and commerce, makes that the space of living is more and more little, for adapting to this trend, the design of table body evolve variation more, to increase its practicality.With dining table, the space of its dining room of general family is limited, and dining table is dwindled institute as far as possible and takes up space during therefore usual ornaments, but it is more and when need increasing the desktop area the diner, then utilize the design of table body itself, make desktop expand out, to meet user demand.With the design of desktop expansion, generally be to adopt hinge-type or two kinds of patterns of slide rail type to design so, owing to the further improvement of the utility model system at slide rail type table body, therefore the slide rail type table body that only will use always is at present done an analysis; General dining table table system adopts wood quality to make, therefore its slide rail also is the timber slide rail, the structural design of this slide rail sees also Fig. 1, shown in Figure 2, this slide rail 10 is made up of three wooden connecting rods, the end face of middle connecting rod 11 is equiped with a gear 111 with fixed center axis, the two sides of middle connecting rod 11 are offered dovetail groove 112 respectively, 113, two sides at middle connecting rod 11 have slip connecting rod 12 in addition, 13, this two

slips connecting rod

12,13 end face is installed with tooth bar 121 respectively, 131, then be convexly equipped with dovetail block 122 in addition respectively in relative two sides, 132, two

slip connecting rods

12,13 utilize its dovetail block 122,132 respectively from the both sides of middle connecting rod 11 dovetail groove 112,113 opposite end is slipped into, and 111 engagements of the gear on common respectively and the middle connecting rod 11, by this, when pull slip connecting rod 12, can rotate by tooth bar 121 driven gears 111, and and then drive tooth bar 131 and move, stretch out and slip connecting rod 13 is moved backward along dovetail groove 113.See also shown in Figure 3, above-mentioned slide rail design is provided with and sets firmly table 14,15 in the both sides of table body respectively between relative slide rail, can drive another table 15 when pull table 14 withdraws from, and present hollow state in the middle of making a body, insert this space with another table 16 this moment, and engage, and can finish the expansion of a bulk area with two side plates 14,15.Above-mentioned slide rail design has following scarce fraud:

1, this wooden binding leverage is respectively with dovetail groove and the slippage of dovetail block fit, because this material itself has the characteristic of expanding with heat and contract with cold, therefore when slightly distortion being arranged, the action of fit slippage promptly may produce the situation that has some setbacks.

2, this wooden binding leverage is respectively with the rack and pinion engaged transmission, and when timber expanded with heat and contract with cold, tooth bar may break away from or clip with gear, even changes the depth of parallelism of rack and pinion, and causes having some setbacks in the transmission.

3, the dovetail groove of connecting rod in the middle of this slip connecting rod is sleeved on dovetail block, after linking table, the gravity that its desktop carried will be transferred on the dovetail block fully, if load when excessive, cause dovetail block to burst apart most probably, and a body avalanche is tilted.

4, the design of this slide rail ties up on three wooden connecting rods and offers dovetail groove and dovetail block respectively, and on the program of machine-shaping, the consumption that seems power is time-consuming.

5, the meshed transmission gear of the tooth bar of this slip connecting rod system and middle connecting rod, for guarantee that tooth bar can keep and the depth of parallelism of gears engaged when mobile, therefore the connecting rod that slides must provide enough length to set firmly tooth bar, unlikely generation skew when moving it.Therefore in order to reach this purpose, the slip connecting rod must have long length, and for setting up for the benefit of desktop, this length that has more also causes the waste on the material.

In view of this, this creator satisfies with its working experience for many years, through continuous research and design, grinds finally and creates a kind of slide rail that has preferable stability and durability and can effectively reduce manufacturing cost, to improve the scarce fraud of existing slide rail, this is design aim of the present utility model.

Be that main purpose of the present utility model is that a kind of have preferable stability, durability and effective slide rail of saving procedure and obtaining the adjustable table body that can obtain preferable result of use are provided.

Another purpose system of the present utility model provides a kind of slide rail of adjustable table body, and it can make desktop skid off location, extension back, and can control the desktop area that expands in various degree.

For realizing above-mentioned purpose, the slide rail of a kind of adjustable table body of the utility model mainly comprises a C type slide track seat, two L type travelling carriages;

One C type slide track seat: it molds pulley guide rails and gear guide groove in both sides up and down, and setting firmly one at side wall surface can be along the gear of central shaft rotation;

One L type travelling carriage: the upper and lower of side plate sets firmly several pulleys respectively, and the top of side plate is installed with the downward tooth bar of a profile of tooth, and top board is offered several screws;

One L type travelling carriage: the upper and lower of side plate sets firmly several pulleys respectively, and the below of side plate is installed with the tooth bar that a profile of tooth makes progress, and top board is offered several screws;

One L type travelling carriage is inserted in by an end of C type slide track seat, another L type travelling carriage then is inserted in by the other end of C type slide track seat, and make respectively pulley corresponding to pulley guide rails and tooth bar corresponding to the tooth bar guide groove of both sides up and down, the tooth bar of two L type travelling carriages also meshes with the upper and lower sides that is installed in the gear in the C type slide track seat respectively, and make two tooth bars reach continuous action relation, utilize two groups slide rail to lock at L type travelling carriage respectively and establish table, can make the table of drawing one end, and make the table of the other end withdraw from opposite direction, be sticked in the space that two L type travelling carriages withdraw from a cover plate again, and the area of expansion table body.

The utility model also can be offered several screws at an end of C type slide track seat corresponding to the pulley guide rails position, replaces L type travelling carriage for screw threaded, and the effect of table expansion location is provided.

The utility model is owing to be that straight forming goes out pulley guide rails and tooth bar guide groove on the C of aluminium extruded type type slide track seat, and can provide the pulley of L type travelling carriage and tooth bar guiding to move, and the gear that C type slide track seat sets firmly also can drive the opposite side tooth bar by a side rack for transmission and moves, and reaches table to be extended to two outsides respectively shift out to expand its desktop area; Because the mobile system of pulley moves along the pulley guide rails of aluminium extruded type, therefore its start can obtain effect very smoothly, and the load of desktop is when being passed to pulley, this pulley system is placed on the interior slide rail guide rail of C type slide track seat, to make load by the splendid C type slide track seat carrying of intensity, and make firm being carried on the slide track seat of desktop, and this C type slide track seat is one-body molded go out to have pulley guide rails and tooth bar guide groove, can make moulding make and go up the many processing costs of saving, in addition, moulding tooth bar guide groove in the C type slide track seat, and but this guide groove of mat provides the depth of parallelism of rack and pinion engagement, and save the required length of L type travelling carriage, to reduce the expenditure of material, reach Practical Benefit with high strength high stability and high durability.

The utility model is in the position of the C type slide track seat outside corresponding to pulley guide rails, offer several screws respectively, through screwing togather of bolt, bolt is protruded out in the pulley guide rails by the outside, stop pulley to move and provide to replace, reach and desktop is skidded off backward extend the purpose of location, and utilize the design of the screw of several diverse locations, can control the desktop area that expands in various degree.

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

Fig. 1: the schematic perspective view of existing table body slide rail.

Fig. 2: the cutaway view of existing table body slide rail.

Fig. 3: the use schematic diagram of existing table body slide rail.

Fig. 4: the parts explosion of the utility model slide rail.

Fig. 5: the constitutional diagram of the utility model slide rail.

Fig. 6: the cutaway view of the utility model slide rail.

Fig. 7: the utility model slide rail combines schematic diagram with table.

Fig. 8: use the preceding outside drawing of table body expansion of the present utility model.

Fig. 9: use table body of the present utility model expansion to implement schematic diagram.

Figure 10: use the outside drawing after table body of the present utility model is expanded.

See also Fig. 4, the both sides straight forming went out the pulley guide rails 202 of indent arcuation about the utility model system utilized in the C of aluminium extruded type type slide track seat 20,201 and gear guide groove 204,203, setting firmly one in addition on the side wall surface 205 of slide track seat 20 can be along the gear 22 of central shaft rotation, slide track seat 20 1 ends are offered several screws 206 corresponding to pulley guide rails 201, one L type travelling carriage 30, its upper and lower at side plate 301 sets firmly several pulleys 31 respectively, above side plate 301, be installed with the downward tooth bar of a profile of tooth 32 in addition, another L type travelling carriage 40, it also sets firmly several pulleys 41 respectively at the upper and lower of side plate 401, the below of side plate 401 sets firmly the tooth bar 42 that a profile of tooth makes progress, two L

type travelling carriages

30,40 top board 302,402 are provided with several screws 303 in addition, 403, for sealed table.See also Fig. 5, Fig. 6, at C type slide track seat 20 and L type travelling carriage 30, during 40 combinations, L type travelling carriage 30 is inserted in by an end of C type slide track seat 20, and make the pulley guide rails 202 of pulley 31 corresponding to slide track seat both sides about in the of 20,201, tooth bar 32 is the gear guide groove 204 of corresponding upside then, 40 other ends by C type slide track seat 20 of another L type travelling carriage are inserted in, and make the pulley guide rails 202 of pulley 41 corresponding to slide track seat both sides about in the of 20,201, tooth bar 42 is then corresponding to the gear guide groove 203 of downside, L

type travelling carriage

30,40 be inserted in C type slide track seat 20 after, its

tooth bar

32,42 can in both sides up and down simultaneously with C type slide track seat 20 in gear 22 mesh, and reach

tooth bar

32,42 continuous action relation, therefore when the arbitrary L type of

pull travelling carriage

30 or 40 outwards withdraws from, but another L type travelling carriage is mat gear 22 and rack for transmission then, outwards withdraw from opposite direction, and utilize arbitrary screw 206 on a bolt 23 (see figure 9)s and the C type slide track seat 20 to screw togather and projection enters pulley guide rails 201, make it replace withdrawing from of pulley, reach the effect of outside expansion location simultaneously.See also Fig. 7, Fig. 8, utilize slide rail design of the present utility model, respectively at the both sides of table body configuration slide rail, and the table 50 that will have table leg (pin) is locked on the top board 302 of L type travelling carriage 30, the L type travelling carriage 40 of the other end is also locked and is established another table 60, by combining of table 50,60 and slide rail, can assemble and link a body.See also Fig. 9, when table 50 is outwards pulled out, simultaneously table 60 is outwards withdrawed to the location, outwards withdraw from formed space, back partly at table 50,60, then another cover plate 70 can be inserted this space, because the relative side of table 50,60 offers draw-in groove 51,61, and cover plate 70 also convexes with trip 71,72 at relative position, therefore, cover plate 70 can firmly combine with table 50,60 after inserting, and finishes the table body after as shown in figure 10 the expansion.In addition, C type slide track seat 20 is provided with several screws 206 and screws togather bolt 23 with cooperation, make pulley withdraw from the location, when selecting the screw of diverse location, the position that table 50,60 is withdrawed to different size, the cover plate 70 of cooperation different size then can optionally adjust different big or small table bodies, more to meet the different demand of user, provide alternative Practical Benefit.

In sum, but the not only use of decrease material and manually become on making of the utility model This, and better stability and durability can be provided, and can effectively guarantee the effect in the transmission, dark tool is real With property and progressive, and provide value on the industry, also have no identical product and ask the city or be disclosed in Publication, thereby meet the utility application condition, so file an application in accordance with the law.

Claims

1, a kind of slide rail of adjustable table body is characterized in that: mainly comprise a C type slide track seat, two L type travelling carriages;

One L type travelling carriage is inserted in by an end of C type slide track seat, another L type travelling carriage then is inserted in by the other end of C type slide track seat, and make respectively pulley corresponding to pulley guide rails and tooth bar corresponding to the tooth bar guide groove of both sides up and down, the tooth bar of two L type travelling carriages also meshes with the upper and lower sides that is installed in the gear in the C type slide track seat respectively, and makes two tooth bars reach continuous action relation.

2, the slide rail of adjustable table body according to claim 1 is characterized in that:, offer several and can replace L type travelling carriage so that the screw of table expansion location to be provided for screw threaded corresponding to the pulley guide rails position at an end of C type slide track seat.