CN2648909Y

CN2648909Y - Sliding rail for drawer with automatic homing device

Info

Publication number: CN2648909Y
Application number: CNU032767692U
Authority: CN
Inventors: 杨俊龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-26
Filing date: 2003-08-26
Publication date: 2004-10-20
Anticipated expiration: 2013-08-26

Abstract

The utility model provides a slide rail with an automatic offsetting device for a drawer, and is characterized in that a stopping part and a pulling hook are mainly and directly punched and arranged on a sliding inner slide rail. The automatic offsetting device positioned on an outer slide rail has a positioning block arranged on the outer slide rail. Two sides of the positioning block are provided with a slide hole having a stopping slot. A pulling component with a pin block arranged at two sides is arranged inside the slide hole in a sliding way. A pulling hook of the inner slide rail can be hooked by a hook part of the pulling component. Two reverse V-shaped distribution elastic components are connected between one side of the pulling component and the positioning block. When the inner slide rail is pushed, the inner slide is hooked by the hook part of the pulling component and slides along the slide hole, and when the pin block is inclined and moved by the stopping slot, the automatic closing state of the drawer can be achieved by stopping part stopped by the pulling component.

Description

The drawer slide rail of tool automatic homing device

Technical field

This creation is a kind of drawer slide rail of tool automatic homing device, and it relates in the suitable drawer technical field of furniture, refers to that especially the slide rail of drawer installation is simplified the function that structural design is obtained automatic homing.

Background technology

Drawer can be installed the automatic homing device with spring for keeping certain closed condition on the slide rail of drawer, the self-return ability can be provided, and the drawer of pulling back is closed to fixed point.But present being seen automatic homing device, its assembly form is various, this installs the furniture price of drawer the high and related increase of cost, therefore the consumer steps back, and automatic homing device is only installed a spring mostly, under often using, fear elastic fatigue and reduce service life, so the suitable playback situation of closing automatically of drawer is not general.

Novel content

This creator is because aforementioned drawer is installed the problem that the design of automatic homing device still exists, therefore develop a kind of drawer slide rail of tool automatic homing device, its mainly be with simplify, low-cost configuration design, provide effectively to retract drawer rapidly and reach automatic homing device, for it mainly creates purpose.

In order to reach aforesaid goal of the invention, the technological means that this creation is used is the drawer slide rail that is to provide a kind of tool automatic homing device, and it is to comprise:

One can be fixed in the outer rail that the drawer place is installed, and it is provided with one in the inboard can be along the middle slide rail of its slip, and an automatic homing device is set on outer rail;

One be positioned in the middle of slide rail and can be along the slide rail of its slip, slide rail is provided with the stopper of giving prominence to towards middle slide rail direction at the lateral surface in contrast to outer rail in regular turn by an end in this, and one has a segment distance with stopper and is the drag hook of oblique sheet standing shape; And this automatic homing device is to comprise:

A positioning seat that is fixed on the outer rail, this positioning seat is to be microscler block, one end is the end, the other end is a piece portion, is to be hollow form between end and the piece portion, and both sides, vacancy are sidewall in this, empty one long slide opening respectively worn in the two side, slide opening one sidewall ends groove by recessed one of one place, end, and piece portion respectively extends both sides a lobe portion and cooperates with the concavo-convex of outer rail inboard in order to corresponding, and it is to be provided with a Buffer Unit that this piece portion is positioned between the lobe portion; And

A pull element, it is between the positioning seat two side and can slide along slide opening, this pull element be one near The body portion of shape, body portion one end forms the hook portion of tilted state, the drag hook of slide rail in can correspondingly holding, the both sides projection on the corner of body portion can enter only first pin block of groove, the both sides that different hook portion is held in addition are provided with and can enter only second pin block of groove, the other end of the different drag hook of body portion is to be relative with Buffer Unit, and this body portion is an end that links two elastic parts towards a side of outer rail direction, and the other end of this two elastic parts is with in the two lobe portions that are linked to positioning seat for separately.

The effect that this creation can obtain is following listed:

1. the space kenel of positioning seat provides two elastic parts with the splayed distribution design, can be very fifty-fifty in two side positions performance elasticity, not only can share mutually and can increase service life, and the application of force of guaranteeing pull element is average, in addition, elastic parts is and does not expose kenel and the external assembly of unlikely interference and collision is able to bring into play its normality elastic acting force regularly between positioning seat and outer rail.

2. assembly is shaped simply, and wherein, the interior slide rail direct forming stopper and the drag hook of metal are controlled the action of pull element, and easy to manufacture, assembly is few, reduce cost, and hook system pull element reliable for effect and can not being out of shape.

3. Buffer Unit is installed in positioning seat, is can be used to cushion the sound of pull element collision, use the drawer sliding rail noiselessness, allow assemblies such as positioning seat, pull element be difficult for impaired.

Positioning seat with its lobe portion, decide piece, jack come with outer rail towards concavo-convex cooperations such as the hole clipping of establishing formation, inserted sheets, combination is simple and easy and firm.

Description of drawings

Fig. 1 is the three-dimensional combination of this creation local appearance figure.

Fig. 2 is that this creates three-dimensional assembly exploded view.

Fig. 3 is the cutaway view that this creation cooperates the 3-3 section of Fig. 4 to show.

Fig. 5 is that the plane that outer rail shows slide rail state in the not pulling is cut in this creation open.

In starting drag, this creation of Fig. 6 looks the section action diagram on the slide rail.

Fig. 7 is that the plane that the outer rail demonstration has spurred interior slide rail state is cut in this creation open.

The slide rail explanation reaches and looks the section action diagram on the locating closing state in this creation of Fig. 8.

Symbol description

10: outer rail; 11; Hole clipping;

12: inserted sheet; 14: middle slide rail

16: interior slide rail; 161: drag hook;

20: positioning seat; 21: the end;

211: jack; 22: sidewall;

221: pleurapophysis;

23: piece portion; 231: fluting;

232: sulculus; 24: slide opening;

241: end groove; 242: tongue;

25: lobe portion; 26: perforation;

30: pull element; 31: body portion;

32: hook portion; 33: the first pin blocks;

331: the second pin blocks; 35: teat;

351: breach; 37: elastic parts;

371: conehead; 372: neck

The specific embodiment

This creation is a kind of drawer slide rail of tool automatic homing device, please referring to Fig. 1 and Fig. 2, basically, drawer includes the outer rail 10 of a stationary state with slide rail, and one to be positioned at outer rail 10 inboard and can be along the middle slide rail 14 of its slip, and one be positioned in the middle of slide rail 14 and can (be provided with ball collar between aforementioned centre slide rail 14 and the slide rail 16 along the slide rail 16 of its slip, smooth and easy so that slide), interior slide rail 16 is to be fixed in drawer, with slide rail 16 slippages in the pulling drawer just can drive, wherein, this creation indication automatic homing device is to be installed on the slide rail, and component feature space and form are as described below:

This outer rail 10, it is provided with two hole clippings arranged side by side 11 on the whole at the end that corresponding middle,

interior slide rail

14,16 cuts out, and one has the inserted sheet 12 of a segment distance with hole clipping 11;

Should in slide rail 16, interior slide rail 16 is in contrast to the lateral surface of outer rail 10, be provided with in regular turn towards the outstanding stopper 162 of middle slide rail 14 directions by an end, and one has a segment distance with stopper 162 and is the drag hook 161 of oblique sheet standing shape; And

A positioning seat 20 is set on outer rail 10, this positioning seat 20 is to be microscler block, towards interior slide rail 16 1 ends is hollow, the end 21 of bimodal end face shape, wear a seam shape jack 211 on the end 211, inserted sheet 12 for outer rail 10 inserts the location, positioning seat 20 other ends are piece portion 23, between end 21 and piece portion 23, be to be hollow form in addition, should middle both sides, vacancy be sidewall 22, sidewall 22 forms the nearly triangular shape pleurapophysis 221 in cross section towards this face both side edges of interior slide rail 16, enter positioning seat 20 and outer easily sticking up so as to slide rail 16 in preventing, empty one long slide opening 24 respectively worn in this two side 22, one sidewall of slide opening 24 ends groove 241 by recessed one of 21 1 places, end, should end groove 241 towards the madial wall of piece portion 23 directions slightly away from and slightly tilt, 23 tongues 242 that form a free end shape of 22 close portions of sidewall, a column lobe portion 25 is respectively extended in these piece portion 23 both sides, the form of this lobe portion 25, the rough pattern that is corresponding and outer rail 10 inboards is to be fastened, as shown in Figure 4, allow positioning seat 20 firmly be arranged on the outer rail 10; And

Lobe portion 25 1 sides are arranged with a pass 251, piece portion 23 bottoms are provided with fluting 231, piece portion 23 end face wall thickness are provided with an internal diameter than the 231 little perforation 26 of slotting, a Buffer Unit 29 is installed in perforation 26, this Buffer Unit 29 can be that a little spring 291 is packed in the cylindrical shell 292, these cylindrical shell 292 openends are projection beads 293, seeing through cylindrical shell 292 enters and passes perforation 26 towards fluting 23l together with little spring 291, make little spring 291 1 ends retaining be pressed in fluting 231 inner faces, bead 293 retainings that form cylindrical shell 292 lean against fluting 231 walls, restriction cylindrical shell 292 breaks away from perforation 26, the hole clipping 11 of the corresponding outer rail 10 in lobe portion 25 bottoms is equipped with fixture block 27 in addition, in order to the correspondence engaging, subsidiary positioning bases 20 is positioned outer rail 10;

A pull element 30, as Fig. 2 to Fig. 4, it is between positioning seat 20 two sides 22, can slide along slide opening 24, this pull element 30 be one near

The body portion 31 of shape, body portion 31 1 ends form tilted state, hold the hook portion 32 of drag hook 161 with correspondence, body portion 31 both sides projection on the corner has first pin block 33, different hook portion 32 then is provided with second pin block 331 in the both sides of end in addition, these body portion 31 bottoms are that projection has teat 35, teat 35 bottoms are provided with breach 351, and binding has two elastic parts 37 between pull element 30 and positioning seat 20, this two elastic parts 37 is to be microscler spring-like, two ends all are conehead 371, form neck (372) in the little part of conehead 371 external diameters;

Be stuck in the breach 351 of pull element 30 so as to the neck 372 of two elastic parts, 37 1 ends, 372 of the necks of the other end are filled in the pass 251 of two lobe portions 25 respectively, blocking pass 251 by conehead 371 prevents to break away from, forming two elastic parts 37 is to distribute for Eight characters shape, according to producing the elastic stretching effect by 37 pairs of pull element of elastic parts 30, it is preferable that this promptly finishes this creation

Embodiment.

Use in the enforcement, as Fig. 5 and Fig. 6, desire closing drawers and can promote interior slide rail 16, allow drag hook 161 catch on the hook portion 32 of pull element 30 in the pushing action, make pull element 30 slide along slide opening 24 with pin block 33, and tensile elasticity assembly 37, next as Fig. 7 and Fig. 8, run into the only groove 241 (the bootable pin block of gradient that ends groove one side enters rapidly) of a side up to pin block 33, cause the pull element 30 of elastic stretching elastic parts 37, groove 241 spaces enter to allow second pin block 331 of body portion 31 different hook portion 32 1 ends only run into, forming hook portion 32 sticks up toward next side and stretches and break away from drag hook 161, by stopper 162 is body portion 31 upside blocks, and slide rail 16 is at the state of closing drawers in the location;

Otherwise, as slide rail 16 in desiring to pull out, then slide rail 16 is pushed pull element 30 open to borrow its application of force in the pulling, allow second pin block 331 enter slide opening 24, the elastic-restoring force that sees through elastic parts 37 retracts, and at this moment, pull element 30 can be run into Buffer Unit 29 compression little springs 291, a cushioning effect power is provided, and the elasticity of tongue 242 can appropriateness compress second pin block 331 with keep hook portion 32 hook in drag hook 161 states of slide rail 16.

So the characteristics of this creation are to utilize two elastic parts 37 to be distributed in positioning seat 20 with splayed, two ends are linked to pull element 30 and positioning seat 20 respectively, provide elastic acting force on average in both sides, and are reliable for effect, multinomial function such as easier assembling;

And positioning seat 20 is the concavo-convex positioning function that cooperates of multiple spot with lobe portion 25, jack 211, fixture block 27 with outer rail 10; And

Buffer Unit 29 buffering pull element 30 are set are subjected to elastic parts 37 and retract strength, these Buffer Unit 29 kenels, wood can be to form one as the bimodal shape kenel of end 21 hollows at piece portion 23 corresponding end-faces; And

Interior slide rail 16 directly processes stopper 162, drag hook 161, controls pull element 30, need not make assembly in addition and cooperate, and cuts down finished cost.

Claims

1. the drawer slide rail of a tool automatic homing device is characterized in that comprising:

One can be fixed on the outer rail that the drawer place is installed, and it is provided with one in the inboard can be along the middle slide rail of its slip, and an automatic homing device is set on outer rail;

A pull element, it is between the positioning seat two side and can slide along slide opening, this pull element be one near

The body portion of shape, body portion one end forms the hook portion of tilted state, the drag hook of slide rail in can correspondingly holding, the both sides projection on the corner of body portion can enter only first pin block of groove, the both sides that different hook portion is held in addition are provided with and can enter only second pin block of groove, the other end of the different drag hook of body portion is to be relative with Buffer Unit, and this body portion is an end that links two elastic parts towards a side of outer rail direction, and the other end of this two elastic parts is with in the two lobe portions that are linked to positioning seat for separately.

2. the drawer slide rail of tool automatic homing device as claimed in claim 1, two lobe portions, one side that it is characterized in that described positioning seat respectively is arranged with a pass, dash forward and establish a teat in the pull element bottom, teat is provided with breach, and the elastic parts two ends all are conehead, form neck in the little part of conehead external diameter, be stuck among breach, the pass by neck.

3. the drawer slide rail of tool automatic homing device as claimed in claim 2, the piece portion that it is characterized in that described positioning seat is provided with fluting in the bottom, the end face wall thickness of piece portion between the two side is provided with an internal diameter and is little perforation than fluting, this Buffer Unit of installation in the perforation.

4. as the drawer slide rail of claim 1 or 3 described tool automatic homing devices, it is characterized in that described Buffer Unit is to comprise a little spring and a cylindrical shell that supplies little spring to pack into, this cartridge openings end is the projection bead, this cylindrical shell enters towards fluting together with little spring and passes perforation, make little spring one end retaining be pressed in the fluting inner face, the bead retaining that forms cylindrical shell leans against the fluting wall of positioning seat, and the restriction cylindrical shell breaks away from perforation.

5. the drawer slide rail of tool automatic homing device as claimed in claim 4, it is characterized in that described outer rail level is provided with two hole clippings arranged side by side, and one have the inserted sheet of a segment distance with hole clipping, positioning seat is provided with fixture block in lobe portion respectively, and the jack that is provided with confession fixture block plug-in mounting in the end, the stationary positioned seat is on outer rail.

6. the drawer slide rail of tool automatic homing device as claimed in claim 5, the end that it is characterized in that described positioning seat are to be hollow, bimodal end face shape, and close portion of sidewall then forms the tongue of a free end shape.