CN100515275C

CN100515275C - Interlock positioning construction for extending sliding rail

Info

Publication number: CN100515275C
Application number: CNB2005101378583A
Authority: CN
Inventors: 黄石龙; 陈庚金; 王俊强
Original assignee: King Slide Works Co Ltd
Current assignee: King Slide Works Co Ltd
Priority date: 2005-12-29
Filing date: 2005-12-29
Publication date: 2009-07-22
Anticipated expiration: 2025-12-29
Also published as: CN1989874A

Abstract

The invention is an interlocking positoning device for stretching slide rail which includes outside rail, central rail and inner rail. Among them the inner rail slides through central rail, the central rail slides through outside rail and it consist of interlocking components, positoning components and resilient components, the interlocking components and positoning components are pin jointed with central rail, the inner rail is equipped with the first convex boss which is equipped with thrust parts and inclined surface, the outside rail is equipped with the second convex boss which is equipped with thrust parts and inclined surface, interlocking components includes thrust end and relax end, the positoning components includes thrust end and fixed end, resilient components are fixed in central rail and provide elastic force to opposing thrust end and relax end, the thrust end of interlocking components is corresponding the thrust parts of the first convex boss and the relax end is corresponding the inclined surface of the second convex boss, the fixed end of positoning components is corresponding the thrust parts of the second convex boss and the relax end is corresponding the inclined surface of the first convex boss.

Description

The interlock locating structure of sliding track stretching

Technical field

The present invention relates to a kind of interlock locating structure of sliding track stretching, particularly middle rail and interior rail can be stretched from outer rail synchronously, and behind the relative outer rail of middle rail location, interior rail and middle rail can be separated the interior rail of pulling and stretch separately to stretching fully, and when folding, interior rail and middle rail can be regained outer rail in regular turn.

Background technology

General drawer or the employed flexible slide rail of similar hanger thing, its basic framework by the two-part of forming with inside and outside rail or with interior, in, the syllogic formed of outer rail, wherein, with by interior, in, the three-sectional sliding-rail formed of outer rail, when it pulled out expansion, also many can the structure in the stroke end Design Orientation was to prevent interior rail or middle rail retraction outer rail voluntarily, if consider the smoothness that interior, middle rail is pulled out by outer rail in regular turn, also can be provided with the device of synchronization-sliding in good time between its each rail spare in addition.

And with regard to the stretching location of the middle rail of three-sectional sliding-rail and outer rail, in the TaiWan, China patent, preceding case that can reference has No. the 515494th, bulletin, No. 522806, No. 525455, M245728 number, and more seeing in United States Patent (USP) has considerable preceding case to expose relevant prior art, it is as United States Patent (USP) the 3rd, 133, No. 768, the 3rd, 258, No. 299, the 3rd, 371, No. 968, the 3rd, 589, No. 778, the 3rd, 650, No. 578, the 4th, 560, No. 212, the 4th, 998, No. 828, the 5th, 417, No. 490, the 5th, 484, No. 197, the 5th, 551, No. 775, the 5th, 757, No. 109, the 5th, 871, No. 265, the 6th, 296,338 B1 numbers, the 6th, 350,001 B1 number, the 6th, 390,574 B2 numbers, the 6th, 585,335 B2 numbers, the 6th, 655,763B2 number, the 6th, 702,412 B2 numbers, the 6th, 705,689 B2 numbers, the 6th, 749,276 B2 numbers, the 6th, 805,418B2 number, the 6th, 899,408 B2 numbers and U.S. Patent application disclose US 2003/0052580 A1 number in early days, US 2003/0111942 A1 number, US 2004/0174103 A1 number, US 2004/0239220 A1 number, US 2005/0116594 A1 number, case such as US 2005/0180667 A1 number.

In addition, rail can be pulled the technical of displacement synchronously with interior rail when slide rail is drawn out in making, relevant interlinked mechanism design, the stretching locating structure of case also has the technology with similar synchronizing function before several United States Patent (USP)s of above-mentioned part, again can be with reference to Taiwan patent announcement No. 533800, No. 566128; And the Taiwan patent announcement then has for No. 222321, No. 396781, No. 558999 exposes the synchronous sliding track that other plants form.

Based on the difference of all kinds of slide rails according to use occasion, it has different function demands, develops suitable product with symbol market, also is certainty of inter-industry competition, so, promptly there is member to plan, manipulate and make processing and rationalizes the present invention's generation with economy more.

Summary of the invention

The object of the present invention is to provide a kind of interlock locating structure of sliding track stretching, to realize:

A. when sliding track stretching, can and locate middle rail and interior rail synchro-draw, and when regaining, interior rail and middle rail can be taken in outer rail in regular turn.

B. the member that utilizes same place to be provided with start separately in the confined space of slide rail reaches required synchronous, location difference in functionality, and the design arrangement of assembly is more reasonable, economical, not only saves cost, and also prolong service life.

And the interlock locating structure of sliding track stretching of the present invention, with rail in the collocation, interior rail and outer rail and the basic framework implemented: rail is worn sliding in middle rail in it, middle rail is worn sliding in outer rail, and include moving part, keeper and elastic parts, wherein, described moving part and keeper also are articulated in middle rail with putting, and interior rail is provided with the first protruding wall, the first protruding wall is provided with fastener, outer rail is provided with the second protruding wall, the second protruding wall is provided with the stop section, moving part comprises thrust end and separates the end of pulling, and keeper comprises then that separating pulls to be held and stiff end, and elastic parts is fixed in middle rail, and elastic parts provides elastic force to resist the pull stiff end of end and keeper of separating of moving part, the thrust end of moving part is then corresponding to the fastener of the first protruding wall of interior rail, and the stiff end of keeper is then corresponding to the stop section of the second protruding wall of outer rail, and, can further make the first protruding wall comprise an inclined-plane with separating of the corresponding keeper end of pulling, the second protruding wall comprises that an inclined-plane is with separating of the corresponding moving part end of pulling.

Confirm above-mentioned purpose of the present invention, design feature and effect for further specifying, the present invention is described in detail below with reference to accompanying drawing.

Description of drawings

Fig. 1 is the exploded view that the embodiment of the invention is applied to three-sectional sliding-rail.

Fig. 2 is the exploded view of the embodiment of the invention.

Fig. 3 be the embodiment of the invention fold schematic diagram (analysing and observe) fully.

Fig. 4 is one of operation chart of the embodiment of the invention (aspect that interior rail is pulled out).

Fig. 5 is two (interior rail and middle rail are separated the aspect when pulling) of the operation chart of the embodiment of the invention.

Fig. 6 is the local enlarged diagram (A detail drawing) of the 5th figure.

Fig. 7 is three (the relative clip location/interior rail that stretches with outer rail of middle rail continues to stretch) of the operation chart of the embodiment of the invention.

Fig. 8 is four (aspects that interior rail stretches fully) of the operation chart of the embodiment of the invention.

Fig. 9 is five (clips of rail and outer rail in recovery operation aspect/releasing) of the operation chart of the embodiment of the invention.

Figure 10 is that the local structure equivalence of the embodiment of the invention changes the illustration intention.

The specific embodiment

The interlock locating structure of sliding track stretching of the present invention, can select embodiment as shown in Figure 1, rail 4, interior rail 5 are implemented with outer rail 6 in the present invention's collocation, and interior rail 5 is worn cunning in middle rail 4, middle rail 4 is worn sliding in outer rail 6, and its detailed construction please be simultaneously referring to Fig. 2 and Fig. 3, and it also comprises moving part 1, keeper 2 and elastic parts 3, wherein:

Described moving part 1 and keeper 2 are articulated in middle rail 4, it is worn with a trunnion 13 and is connected in moving part 1 and keeper 2 stage casings, and middle rail 4 is connected with secondary rail 43, in rail 4 and secondary rail 43 and be provided with

tank

41 and 431 to hold moving part 1 and keeper 2, trunnion 13 then is through at middle rail 4 first circular trunnion seats 42, and rail 4 during rail 4 is articulated in secondary rail 43 clampings in the mat, and interior rail 5 is provided with the first protruding wall 51, the first protruding wall 51 is provided with fastener 511 and inclined-plane 512, outer rail 6 is provided with the second protruding wall 61, the second protruding wall 61 is provided with stop section 611 and inclined-plane 612, moving part 1 comprise a thrust end 11 and separate pull the

end

12,2 of keepers comprise separates end 21 and one stiff end 22 of pulling, elastic parts 3 is fixed in middle rail 4, and elastic parts 3 provides elastic force respectively with its first elastic force pin 31 and the second elastic force pin 32, to resist the pull stiff end 22 of end 12 and keeper 2 of separating of moving part 1, in addition, the thrust end 11 of moving part 1 is corresponding to the fastener 511 of interior rail 5 first protruding walls 51, it separates the end 12 of pulling then corresponding to the inclined-plane 612 of outer rail 6

second protruding walls

61,22 stop sections 611 corresponding to the second protruding wall 61 of the stiff end of keeper 2, it separates the end 21 of pulling then corresponding to the inclined-plane 512 of the first protruding wall 51.

The as above mode of operation of design signal, can be referring to Fig. 3 to Fig. 9, and as shown in Figure 3, under the complete collapse state of slide rail, the fastener 511 of the first protruding wall 51 of rail 5 in moving part 1 is butted on its thrust end 11, the separating of keeper 2 pulled end 21 then by first protruding wall 51 jack-up, as shown in Figure 4, in pulling out during rail 5, middle rail 4 is taken out of by the thrust end 11 of the fastener 511 of the first protruding wall 51 and moving part 1 simultaneously, after being stretched to fixed point, as Fig. 5 and shown in Figure 6, the separating of moving part 1 pulled end 12 by the second protruding wall 61 and inclined-plane 612 jack-up thereof, make the fastener 511 of the thrust end 11 disengagings first protruding wall 51 of moving part 1, promptly remove and fasten with the relative of interior rail 5, again as shown in Figure 7, can continue and draw interior rail 5, then the first protruding wall 51 leave separating of keeper 2 pull the end 21, make the stiff end 22 of keeper 2 compressed by the second elastic force pin 32 of elastic parts 3 and collude stop section 611 due to the second protruding wall 61, afterwards, the state of rail 5 in continuing again to stretch, then as shown in Figure 8, in rail 4 can be butted on the stop section 611 of the second protruding wall 61 by the stiff end 22 of keeper 2 and relative outer rail 6 location, 5 on interior rail continues to be pulled out to fully and stretches.

Again, rail 5 in pushing and when folding, as shown in Figure 9, then with separating of the first protruding wall 51 of interior rail 5 and inclined-plane 512 ejection keepers 2 thereof the end 21 of pulling, make the stiff end 22 of keeper 2 break away from the stop section 611 of outer rail 6 second protruding walls 61, and then rail 4 in regaining, get back to the state that Fig. 1 folds fully at last.

In addition, provide elastic force technical in moving part 1 and keeper 2 at elastic parts 3, possible example as shown in figure 10 in addition, be provided with the first torque spring 3a and the second torque spring 3b is placed in trunnion 13, and the effect end 31a that makes the first torque spring 3a applies pressure to moving part 1 tool and separates on end 12 the lever arm of force of pulling, and the effect end 31b of the second torque spring 3b then applies pressure on the lever arm of force of keeper 2 tool stiff ends 22.

Though the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, under the situation that does not break away from spirit of the present invention, also can make the variation and the modification of various equivalences, therefore, as long as variation, the modification to the foregoing description all will drop in the scope of claims of the present invention in connotation scope of the present invention.

Claims

1. the interlock locating structure of a sliding track stretching, rail, interior rail and outer rail in the collocation and implement, and that interior rail is worn is sliding in middle rail, it is sliding in outer rail that middle rail is worn, and comprise a moving part, positioning piece and elastic parts, it is characterized in that:

Described moving part and keeper also are articulated in middle rail with putting, and interior rail is provided with the first protruding wall, the first protruding wall is provided with fastener, outer rail is provided with the second protruding wall, the second protruding wall is provided with the stop section, moving part comprises that a thrust end and separates the end of pulling, keeper then comprises separates pull an end and a stiff end, elastic parts is located at middle rail, and elastic parts provide elastic force with apply pressure to the moving part tool separate pull the end lever arm of force one side and lever arm of force one side of keeper tool stiff end, the thrust end of moving part is then corresponding to the fastener of the first protruding wall of interior rail, and the stiff end of keeper is then corresponding to the stop section of the second protruding wall of outer rail.

2. the interlock locating structure of sliding track stretching according to claim 1 is characterized in that, the described first protruding wall comprises that an inclined-plane is with separating of the corresponding keeper end of pulling.

3. the interlock locating structure of sliding track stretching according to claim 1 is characterized in that, the described second protruding wall comprises that an inclined-plane is with separating of the corresponding moving part end of pulling.

4. the interlock locating structure of sliding track stretching according to claim 1 is characterized in that, the described elastic parts tool first elastic force pin and the second elastic force pin, and it provides elastic force to be butted on separating of moving part the pull end and the stiff end of keeper respectively.

5. the interlock locating structure of sliding track stretching according to claim 1, it is characterized in that, described elastic parts is placed in trunnion with first torque spring and second torque spring, the effect end of first torque spring applies pressure to the moving part tool and separates on the lever arm of force of the end of pulling, and the effect end of second torque spring then applies pressure on the lever arm of force of keeper tool stiff end.