CN100515272C

CN100515272C - Buffering and positioning device for sliding rail

Info

Publication number: CN100515272C
Application number: CNB2004100589440A
Authority: CN
Inventors: 曾一明; 陈庚金; 王俊强
Original assignee: King Slide Works Co Ltd
Current assignee: King Slide Works Co Ltd
Priority date: 2004-07-23
Filing date: 2004-07-23
Publication date: 2009-07-22
Anticipated expiration: 2024-07-23
Also published as: CN1723820A

Abstract

A buffering and locating mechanism for slide track has a buffer part fixed to back end of the slide track for buffering the impact force of the movable slide track when it is closed and fastening the adjacent slide tracks. Said buffer part has an internal sleeve slot with flat and straight two ends coupled with the bent-up plate at the rear end of fixing track and a connection part positioned in said sleeve slot and in contact with said plate. The contact position between the buffer part and the movable track has the stable elastic compression action.

Description

The buffering locator of slide rail

Technical field

The present invention relates to a kind of buffering locator of slide rail.

Background technology

General three-sectional sliding-rail includes a retaining rail (outer rail) usually, an one carrying rail (middle rail) and a movable rail (interior rail), if with the slide rail that is used in cabinet and drawer thereof is example, retaining rail wherein (outer rail) is fixed in cabinet, movable rail (interior rail) then is fixed on the both sides of drawer, carrying rail (middle rail) the then mat sliding aiding elements that is generally ball bearing mode is arranged in the retaining rail (outer rail) and in order to slip carrying activity rail (interior rail), and make movable rail (interior rail) and carrying rail (middle rail) to move reciprocatingly with respect to retaining rail (outer rail) along identical axis direction, make the relative cabinet of drawer do extraction, the action of income; And this existing three-sectional sliding-rail product, as shown in Figure 8, consist predominantly of movable rail A, carrying rail B and retaining rail C, and between this activity rail A and carrying rail B, between carrying rail B and retaining rail C one sliding aiding elements D is set respectively, E, in order to slip, and make this activity rail A and carrying rail B be provided with a stopper F and a block seat G relatively, can give unidirectional location when providing this activity rail A to be drawn out to the limit, and form a undergauge opening A1 in the rear end of movable rail A, then moulding bent sheet of front end A2, and be provided with the buffering block H of a peanut shape corresponding to retaining rail C rear end, in addition, this stopper F is located at this activity rail A inboard, and is provided with a protuberance F1, this block seat G then is positioned at the front end of this carrying rail B, and forms thereon to stops G1; When this activity rail A person of being operated of being inserted in carrying rail B stretches forward, this stopper F that moves with movable rail A is promptly can its protuberance F1 suitable fasten in this block seat G support stops G1, break away from by this carrying rail B to prevent this activity rail A; In addition, when movable rail A is pushed into, it is able to front end bent sheet A2 and hits to the block seat G that carries rail B front end, answer and the related carrying rail B that pushes back, and when continuing income retaining rail C end, the undergauge opening A1 cover of the movable rail A of mat rear end is butted on the buffering block H of retaining rail C rear end again, to cushion its displacement impulse force and to form a packing positioning states.

The relevant set buffering block H in said fixing rail C rear end, prior art once disclosed to some extent, it can be with reference to United States Patent (USP) the 6th, 254, No. 209, in the prior art, its buffering block is socketed on the lamellar body that the retaining rail rear end bends up and makes up fixing, wherein, the lamellar body of this retaining rail rear end all adopts the recessed moulding in both sides, overlaps the relative formation in the middle place protuberance at the inner two ends of access slot for this strip that cushions block, and can be after relative socket, the both sides depression that its protuberance is stretched place lamellar body makes this buffering block have an anticreep effect that fastens block mutually with respect to this lamellar body; In addition, the prior art (shown in Figure 2) that in this United States Patent (USP), is disclosed as it, this lamellar body utilizes the recessed shape in both sides and forms two salient angles in the top, and the strip socket well width of this buffering block is set as and is slightly less than this lamellar body two salient angle distances, by this structure, in the time of should cushioning block and be placed in this lamellar body, its two salient angle can embed the inside cell wall of buffering block and closely interlock, and reaches the fixed effect that causes tightly socket.

Yet, grind the assembled state that above-mentioned buffering block is socketed on retaining rail rear end lamellar body through knowing clearly, can find following situation (can and with reference to cross section view shown in Figure 9 in this United States Patent (USP)): 1. form protuberance because of place in the middle of the inner two ends of strip cover access slot of this buffering block, this differs the section configuration width at buffering block two ends, and the position that this width differs is the rear end reducing that is used for contact activity rail, to reach the buffering positioning action that causes elastic compression, but the block section that its width differs, the elastic deformation level (stress) of drop place tool is promptly inequality, a meeting that clips of adding the rear end reducing of movable rail changes because of the product tolerance issues, so, just be unfavorable for controlling the certain tightness under its positioning states, once product user when requiring to some extent for this quality, just causes puzzlement easily on the QC of manufacturer.

2. in addition, adopt this buffering block tightly to be placed in the design of lamellar body two salient angles, the chimeric place of its buffering block interior groove wall and lamellar body salient angle also is the compression fracture morphology of a kind of " width differs ", under this form, this buffering block also is unequal with respect to the elasticity of compression power that the rear end reducing of movable rail is provided, same, be unfavorable for controlling its location tightness.

According to above-mentioned situation, the buffering locator of existing slide rail has the unequal disappearance of compression elasticity as can be known, therefore needs further improvement.

Summary of the invention

The object of the present invention is to provide a kind of buffering locator of slide rail, so that the contact site of bolster and movable rail has stable elastic compression effect.

The buffering locator of slide rail of the present invention, this positioner is located at the retaining rail rear end with a bolster, cushion its displacement impulse force when folding and fasten the location mutually for movable rail, be characterized in: this bolster is established inner two grooves and is held straight grooving level with both hands, makes the section configuration width at these bolster two ends same; The straight lamellar body in both sides is established in this retaining rail rear end; This bolster is socketed on the lamellar body of this retaining rail rear end with its grooving, then this grooving is sleeved on this straight lamellar body with inner straight slot end, and make these bolster two ends have same distortion elasticity, and, linking part be provided with for producing a fixed relationship in this bolster with retaining rail.

This linking part can be positioned at grooving inside and embedding is butted on the lamellar body, or by bolster appearance elongation moulding, with retaining rail on buckle structure make buckle mutually.

The present invention adopts a bolster to be located at the retaining rail rear end, cushions its displacement impulse force when folding for movable rail and fastens the location mutually, and the contact site of this bolster and movable rail has stable elastic compression effect, to keep the more permanent and stable effect that fastens.For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.

Description of drawings

Fig. 1 is the structural representation of main embodiment of the present invention.

Fig. 2 is the combination schematic diagram of main embodiment of the present invention.

Fig. 3 is the user mode schematic diagram of main embodiment of the present invention.

Fig. 4 is the combination schematic diagram of possible embodiments of the present invention ().

Fig. 5 is the combination schematic diagram of possible embodiments of the present invention (two).

Fig. 6 is the combination schematic diagram of possible embodiments of the present invention (three).

Fig. 7 is the combination schematic diagram of possible embodiments of the present invention (four).

Fig. 8 is existing three-sectional sliding-rail three-dimensional view.

The specific embodiment

At first consult shown in Figure 1ly, buffering locator of the present invention is mainly and uses a bolster 1 to be located at retaining rail 2 rear ends, and this retaining rail 2 bends up a lamellar body that stands 21 for these bolster 1 sockets in the rear end; The relevant improved concrete possible embodiments form of major technique of the present invention then is:

This bolster 1 is provided with inner two grooves and holds straight grooving 11 level with both hands, and make the section configuration width at bolster 1 two ends same, and being provided with a linking part 12 in this bolster 1, this linking part 12 can be positioned at the centre of grooving 11 inner sides and be shaped to a projection body;

It is straight that the lamellar body 21 that these retaining rail 2 rear ends bend up is made as both sides, and be provided with a perforation 211 in the projection body linking part 12 of the above-mentioned relatively bolster 1 of lamellar body 21 centre, is made as the structure tabling of convex body, hole for it.

By of the design of above-mentioned bolster 1 with retaining rail 2 rear end lamellar bodies 21, during combination, as shown in Figure 2, this bolster 1 is socketed on the lamellar body 21 that these retaining rail 2 rear ends bend up with its grooving 11, then this grooving 11 is sleeved on this straight lamellar body 21 with inner straight slot end, so that these bolster 1 two ends all have the distortion elasticity of stable and consistent to the bottom from the top, and, make the perforation 211 of projection body linking part 12 these retaining rail 2 rear end lamellar bodies 21 of embedding of these bolster 1 grooving 11 inside, and can reach the purpose of fixing this bolster 1, and under this stationary state, can not have influence on the stability of bolster 1 for the 3 contact compressions of aftermentioned activity rail.

In addition, above-mentioned this bolster 1 is socketed on the lamellar body 21 of this retaining rail 2 with grooving 11, can make the inner space of this grooving 11 be slightly less than the section of this lamellar body 21, and make the fit state become tight fit, to have the fixation of suitable degree.

In addition, as shown in Figure 3, when movable rail 3 collapses in retaining rail 2, the reducing 31 of these activity rail 3 rear ends is promptly overlapped and is sandwiched in the set bolster 1 in retaining rail 2 rear ends, even and a position that clips of these movable rail 3 reducings 31 changes to some extent, it still can all be in this bolster 1 and have consistent the distortion on the flexible position, and the certain tightness when helping controlling its positioning states, be difficult for the exerting an influence uncertain factor of QC whereby, can be improved it and produce benefit.

Moreover, for reaching the purpose that above-mentioned bolster 1 can be fixed in retaining rail 2 rear ends, and do not have influence on the stability of bolster 1 for movable rail 3 contact compressions, the solid mode of executing of feasible in addition button, as shown in Figure 4, can extend its linking part 13 in the outside front side of this bolster 1 root edge, this linking part 13 has a hole clipping 131 and can overlap and be stuck in the lug 22 that retaining rail 2 rear end base plates stamp out, make this bolster 1 also can firmly be located at retaining rail 2 rear ends, and do not have influence on the scope that clips of movable rail 3 reducings 31; Again this linking part 13 ' position, the both sides external root edge (as shown in Figure 5) that form also can be located at bolster 1, and be provided with relative lug 22 ' insert be embedded in its hole clipping 131 '; Perhaps, as shown in Figure 6, form the inlay 14 that protrudes, and the button 23 phase trips that utilize retaining rail 2 rear end base plates to stamp out are fixing to give the button knot in the both sides external root edge of this bolster 1; In addition, as shown in Figure 7, also can mold the inlay 15 of another sample attitude with dented space, and button 23 also can be supported fasten inlay 15 fixing into its dented space in bolster 1 both sides root edge.

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 application's claim scope in connotation scope of the present invention.

Claims

1. the buffering locator of a slide rail, this buffering locator is located at the retaining rail rear end with a bolster, cushions its displacement impulse force when folding for movable rail and fastens the location mutually, it is characterized in that:

This bolster is established inner two grooves and is held straight grooving level with both hands, makes the section configuration width at these bolster two ends same;

The straight lamellar body in both sides is established in this retaining rail rear end;

This bolster is socketed on the lamellar body of this retaining rail rear end with its grooving, then this grooving is sleeved on this straight lamellar body with inner straight slot end, and make these bolster two ends all have the distortion elasticity of stable and consistent to the bottom from the top, and, be provided with a linking part for producing a fixed relationship in this bolster with retaining rail, this bond sites is shaped to a projection body in the inner side of grooving, relative this linking part is provided with a perforation on the lamellar body of this retaining rail rear end, and embed this perforation with this linking part, this bolster is fixed.

2. the buffering locator of slide rail according to claim 1 is characterized in that, the grooving inner space of this bolster is slightly less than the section of this lamellar body, fixes and make it be the tight fit socket.

3. the buffering locator of slide rail according to claim 1, it is characterized in that, another linking part of this bolster is extended by its outside front side root edge and protrudes, and this another linking part has a hole clipping and can overlap and be stuck in the lug that retaining rail rear end base plate stamps out and fix.

4. the buffering locator of slide rail according to claim 1, it is characterized in that, each is extended another linking part of this bolster by its both sides external root edge and protrudes and respectively have a hole clipping, and relative lug is set in the retaining rail rear end inserts and be embedded in its hole clipping and give fixing.

5. the buffering locator of slide rail according to claim 1 is characterized in that, another linking part of this bolster is set as the inlay that is protruded by its both sides external root edge, and fixes with the button phase trip that retaining rail rear end base plate stamps out.

6. the buffering locator of slide rail according to claim 1, it is characterized in that, another linking part of this bolster is set as by its both sides external root edge and molds an inlay with dented space, and supports with the button that retaining rail rear end base plate stamps out and to fasten inlay into its dented space and fix.