CN101258967A

CN101258967A - Concealed drawer buffers

Info

Publication number: CN101258967A
Application number: CNA2007100270867A
Authority: CN
Inventors: 李绍汉
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-08
Filing date: 2007-03-08
Publication date: 2008-09-10

Abstract

The invention provides a blind drawer bumper which pertains to a fitting of furniture drawers. The blind drawer bumper comprises a damper, a fixing skeleton, a sliding part, a damper connecter, a spring and a pick. The fixing skeleton is fixed on the fixing track of the drawer, one side of the fixing skeleton is provided with a guide barrel and the other side is provided with a splint, the rear part of the fixing skeleton is provided with a bayonet; the damper is locked and fixed on the fixing skeleton by a fire resistant plate; the sliding part is provide with a C-shaped loop, a flexible arm, a hook and a convex cylinder, the end of the convex cylinder is provided with a cap; the convex cylinder is embedded into the guide barrel by the front face of the fixing skeleton and the cap at the end of the convex cylinder is buckled at the underside of the guide barrel; one end of the damper connector is connected with the damper and the other end is embedded into the C-shaped loop of the sliding part; one end of the spring is locked in the bayonet of the fixing skeleton and the other end is connected with the hook of the sliding part; the pick is fixed on the movable track of the drawer and is provided with a shift fork that is inserted into the gap between the C-shaped loop of the sliding part and the flexible arm of the sliding part. The blind drawer bumper has the advantages of high integration level, compact structure and easy installation, thereby being applicable to furniture with drawers.

Description

Concealed drawer buffers

Technical field

The invention belongs to a kind of drawer annex of furniture.

Background technology

The drawer that guide rail has been installed drags very suitable cunning, produce bump when closing and send sound for fear of drawer, the all additional in addition buffer of having installed of great majority, (publication number is CN2790287 to be called the patent of guide rail safety buffer as name, open day is on June 28th, 2006), it comprises tooth bar and unidirectional damping device, and the unidirectional damping device comprises damping fin, sealing ring and the gear of drain pan, mesochite, top shell, the damping box with protruding axle, damping lid, band axis; The all corresponding slotted hole with long and short axle that has of drain pan and top shell has through hole on the damping fin, damping fin is installed in the damping box, in the damping box damping oil is housed; The damping lid covers on the damping box, and it is affixed with bore that the axis of damping fin passes the part of damping box, and the tip of the axis pierces in the slotted hole of top shell in the damping fin; On the excircle of damping box tooth is arranged, the protruding axle of damping box is coaxial with the axis of damping fin, and the protruding axle of damping box pierces in the slotted hole of drain pan; The inwall of mesochite has brake tooth along a side of the long axis direction of slotted hole; The wheel and rack engagement.This utility model pushes inward the good damping of fashionable generation at drawer, drawer is clapped close to such an extent that do not have a sound.But its complex structure also will be provided with a long tooth bar, and the space that accounts for is bigger, the required precision height when making buffer seem not compact and installation tooth bar.

Summary of the invention

Purpose of the present invention just provides a kind of little, simple installation of taking up space, concealed drawer buffers that integrated level is high.The present invention is achieved in that it comprises damper, it is characterized in that it also has fixed mount, sliding part, damper connector, spring and plectrum; Fixed mount is fixed on the retaining rail of drawer, and fixed mount is rectangular, and the one side has guide groove, and opposite side has clamping plate, and there is bayonet socket at the fixed mount rear portion, and damper is blocked by described clamping plate and is fixed on the fixed mount; Sliding part is L-shaped, and C shape ring, flexing arm, hook and 2 projections are arranged on it, and the end of projection has cap, and 2 projections embed guide groove from the front of fixed mount, and the cap of projection end is buckled in the bottom surface of guide groove; One end of described damper connector is connected with damper, and the other end of damper connector embeds in the C shape ring of sliding part; One end of spring is stuck in the bayonet socket of fixed mount, and the other end of spring is connected with the hook of sliding part; Plectrum is fixed on the side of the movable rail of drawer, and plectrum has shift fork, in the neutral between the C shape ring of shift fork insertion sliding part and the flexing arm of sliding part.

As to further improvement of the present invention, the guide groove of fixed mount is " J " shape, and the width of guide groove is suitable with the diameter of the projection of described sliding part.

As to further improvement of the present invention, the radial dimension of the cap of projection is greater than the width of guide groove.

As to further improvement of the present invention, the inwall of C shape ring has flange, and described damper connector outer wall has chase, and flange and chase shape are suitable.

As to further improvement of the present invention, fixed mount has cramp and shell fragment, and cramp is buckled in the edge, cramp hole of retaining rail, and shell fragment is stuck in the shell fragment hole of retaining rail.

The present invention is like this work: plectrum is installed in follows drawer under the movable rail of drawer guideway and moves together, damper, sliding part and spring all are contained on the fixed mount, fixed mount is installed on the retaining rail, sliding part connects with plectrum or separates according to the different stages in moving process: the after-stage plectrum of pulling out at drawer breaks away from sliding part, the spring energy storage that is stretched; Plectrum and drawer move freely on guide rail; In the last stage that drawer pushes back, plectrum and drawer move freely on guide rail; At the after-stage that drawer pushes back, plectrum is connected with sliding part again, triggers spring and discharges potential energy, and damper is devoted oneself to work, and drawer is clapped lentamente under the spring force traction and closed.

Buffering effect of the present invention is strong, and operating handle is good, the integrated level height, and compact conformation is installed easily, and the furniture that is fit to all band drawers uses.

Description of drawings

The present invention is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is the outside drawing of the embodiment of the invention;

Fig. 2 is that embodiment is assemblied in the outside drawing on the drawer guideway;

Fig. 3 is that embodiment is assemblied in the outside drawing (rail and movable rail in removing) on the drawer guideway;

Fig. 4 is the outside drawing of plectrum;

Fig. 5 is the A-A profile of Fig. 4;

Fig. 6 is the outside drawing of damper connector;

Fig. 7 is that plectrum is installed in the outside drawing on the movable rail;

Fig. 8 is the outside drawing of sliding part;

Fig. 9 is the upward view of sliding part;

Figure 10 is the vertical view of fixed mount;

Figure 11 is that fixed mount is installed in the schematic diagram on the retaining rail;

Figure 12 is the schematic diagram of concealed drawer buffers when drawer carries out energy storage in the stage of pulling out to spring;

Figure 13 be when drawer at the schematic diagram of pulling out stage sliding part concealed drawer buffers when separating with plectrum;

Figure 14 is the schematic diagram of concealed drawer buffers after drawer is being pulled out the stage sliding part and plectrum is separated;

To be plectrum rebulid schematic diagram when being connected with sliding part to Figure 15.

The specific embodiment

Referring to Fig. 1～Fig. 3, concealed drawer buffers has a known damper 1, and damper 1 has plastic cylinder block, piston and damper bar 19, and damper 1 uniaxially when its damper bar 19 moves inwards presents resistance.

Referring to Figure 10, Figure 11, fixed mount 2 is made of plastic, rectangular shaped roughly, be shaped in the one side and have guide groove 9, guide groove 9 is formed by a straightway and one section arc smooth connection, shape as letter " J " is shaped on 4 clamping plate 10 at opposite side, and damper 1 is clamped by clamping plate and is fixed on the fixed mount 2; Fixed mount 2 rear portions have a bayonet socket 11 to be used for mounting spring; 2

cramps

18 and 1 shell fragment 22 are arranged at the bottom of fixed

mount

2,2 cramps 18 are put into 2 cramp holes of retaining rail and made them fasten the edge in cramp hole, shell fragment 18 snaps in the shell fragment hole on the retaining rail 2 cramps 18 can not be retreated thereupon, can be installed in fixed mount 2 on the retaining rail 7 apace like this.

Referring to Fig. 8, Fig. 9, sliding part 3 is made of plastic, and is roughly L-shaped, and C shape ring 12, flexing

arm

13,14 and 2 projections 15 of hook are arranged on it.C shape ring 12 is used to connect damper connector 4, and its inwall has flange 20; Inwardly deflection during the back pressurized of flexing arm 13; Hook 14 is used to connect spring 5; The width of the diameter of projection 15 and fixed mount 2 guide grooves 9 is suitable, and 2 projections 15 embed guide groove 9 from the front of fixed mount 2; The end of projection 15 has cap 16, and cap 16 is buckled in the bottom surface of guide groove 9.The radial dimension of cap 16 is greater than the width of guide groove 9, can not withdraw from easily after making projection embed guide groove 9.

Referring to Fig. 6, damper connector 4 is made of plastic, it has the cylinder of two mutually orthogonals, one of them cylindrical outer wall has chase 21, it is suitable that the C shape of chase 21 and sliding part 3 is encircled the flange 20 of 12 inwalls, after damper connector 4 is put into C shape ring, can prevent their axial floats between the two; Another cylinder has axis hole 23, the damper connecting rod 19 tight axis holes 23 that insert.

Referring to Fig. 4, Fig. 5, plectrum 6 usefulness punching of the steel plate become, and it has two 17, two shift forks 17 of shift fork that extend can insert in the neutral between the flexing arm 13 of the C shape ring 12 of sliding part 3 and sliding part 3 downwards.Plectrum 6 is welded on the side of movable rail 8 and follows the mobile together (see figure 7) of movable rail 8.Shift fork 17 roof pressures the C shape ring 12 of sliding part 3 or flexing arm 13 and are promoted sliding parts 3 and move together when plectrum 6 moved.

Referring to Fig. 1, spring 5 is spring wire extension springs, the neck that its back coiled diameter shrinks, to the neck of back a little pressure just can make its embed the bayonet socket 11 of fixed mount 2; The front end of spring 5 can be hooked in the hook 14 times of sliding part 3.

Figure 12～Figure 14 shows present embodiment and is pulled outwardly out the variation of mutual alignment between each parts the process from closed condition at drawer.

Referring to Figure 12, drawer is in closed condition, and the piston of damper 1 and damper bar 19 fully move into the rear portion of cylinder, and spring 5 fully shrinks.

Referring to Figure 13, drawer is stressed outwards to be moved, sliding part 3 moves to the front end of guide groove 9, the piston of damper 1 is drawn out of, spring 5 is stretched, this stage last till always projection in front 15 of sliding part 3 walk to be over guide groove 9 straightway immediately under the moment loading that spring 5 applies deflection enter the arc of guide groove 9, sliding part 3 is to next door deflection thereupon, the flexing arm 13 of sliding part 3 leaves plectrum 6, so far the thermal energy storage process of spring 5 finishes, the damper bar 19 of damper 1 is fully extracted out, and sliding part 3 is locked on the inflection point.

Referring to Figure 14, drawer continues outwards to move, and plectrum 6 is followed drawer and moved, and sliding part 3 remains on the latched position.When drawer from the outside when pushing back, its process is opposite with the above-mentioned process of pulling out: the C shape ring 12 that the shift fork 17 of plectrum 6 touches sliding part 3 at first promotes sliding part 3 to make the projection 15 in front to withdraw from the arc of guide groove 9 and enter straightway inward, be pulled to clap at pulling force effect downslide moving part 3, plectrum 6, movable rail 8 and the whole drawer of spring 5 and close the position, in this process, the piston of damper 1 is forced to the cylinder rear portion and is moved, compressed gas gas in the jar when piston moves, slowed down the translational speed of drawer, drawer steadily and is snugly closed fully.

Referring to Figure 15, under following two kinds of situations, sliding part 3 may be in the state that does not have deflection: 1. the erection stage 2. of product has touched sliding part 3 and causes sliding part 3 to reset under deflection state when whole drawer is taken out.When pushing back drawer inside in the case, the shift fork 17 of plectrum 6 at first with the outer side collision of the flexing arm 13 of sliding part 3, at this moment, flexing arm 13 pressurizeds are made flexural deformation, thereby allow shift fork rebulid correct connection.

Claims

1. concealed drawer buffers, it comprises damper (1), it is characterized in that it also has fixed mount (2), sliding part (3), damper connector (4), spring (5) and plectrum (6); Fixed mount (2) is fixed on the retaining rail (7) of drawer, and fixed mount (2) is rectangular, and the one side has guide groove (9), and opposite side has clamping plate (10), and there is bayonet socket at fixed mount (2) rear portion; Damper (1) is blocked by clamping plate (10) and is fixed on the fixed mount (2); Sliding part (3) is L-shaped, C shape ring (12), flexing arm (13), hook (14) and 2 projections (15) are arranged on it, the end of projection (15) has cap (16), 2 projections (15) embed guide groove (9) from the front of fixed mount (2), and the terminal cap (16) of projection (15) is buckled in the bottom surface of guide groove (9); One end of damper connector (4) is connected with damper (1), and the other end of damper connector (4) embeds C shape ring (12) lining of sliding part (3); One end of spring (5) is stuck in the bayonet socket of fixed mount (2), and the other end of spring (5) is connected with the hook (14) of sliding part (3); Plectrum (6) is fixed on the side of the movable rail (8) of drawer, and plectrum (6) has shift fork (17), in the neutral between the C shape ring (12) of shift fork (17) insertion sliding part (3) and the flexing arm (13) of sliding part (3).

2. hidden drawer buffer according to claim 1 is characterized in that: the guide groove (9) of described fixed mount (2) is " J " shape, and the width of guide groove (9) is suitable with the diameter of the projection (15) of described sliding part (3).

3. hidden drawer buffer according to claim 1 is characterized in that: the radial dimension of the cap (16) of described projection (15) is greater than the width of guide groove (9).

4. hidden drawer buffer according to claim 1 is characterized in that: the inwall of described C shape ring (12) has flange (20), and described damper connector (4) outer wall has chase (21); Flange (20) is suitable with chase (21) shape.

5. hidden drawer buffer according to claim 1 is characterized in that: described fixed mount (2) has cramp (18) and shell fragment (22); Cramp (18) is buckled in the edge, cramp hole of retaining rail (7), and shell fragment (22) is stuck in the shell fragment hole of retaining rail (7).