CN200973517Y

CN200973517Y - Integration drawer buffer

Info

Publication number: CN200973517Y
Application number: CN 200620066130
Authority: CN
Inventors: 李绍汉
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-10-20
Filing date: 2006-10-20
Publication date: 2007-11-14
Anticipated expiration: 2016-10-20

Abstract

An integrated drawer buffer belongs to the field of furniture and includes a damper which has a cylinder, a back cover, a piston and a connecting rod. The back cover is fixed at the rear end of the cylinder, the piston is mounted in the cylinder, and one end of the connecting rod is fixedly connected with the piston with the other end extending out of the front end of the cylinder. The buffer also has a bracket, a spring, a sliding block, a damper connector, and a resetting plug. The sliding block is arranged in the bracket and can move in the bracket, and a poking fork is provided for the sliding block and is in inserted connection with the resetting plug which is fixed on the bottom of fixed rail of a drawer guiding rail. The damper is mounted on the bracket, the connecting rod of the damper is fixedly connected with one end of the damper connector, and the other end of the damper connector is in active connection with the sliding block. One end of the spring is fixed on the bracket and the other end is connected with the sliding block. The utility model has compact structure and can be mounted conveniently. With the utility model, good buffering effect during opening/closing of the drawer is achieved, so that smooth and safe opening/closing of the drawer is realized. The utility model is suitable for all furniture having drawer(s).

Description

Integrated drawer buffer

Technical field

The utility model belongs to field of furniture, especially a kind of drawer buffer that is installed on the drawer.

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 invention 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

The purpose of this utility model just provides the integrated drawer buffer of a kind of compact conformation, simple installation, good buffer effect.

The utility model comprises damper, and damper has cylinder, bonnet, piston and connecting rod, and piston is installed in the cylinder, and bonnet is fixed on the cylinder rear end, and connecting rod one end is affixed with piston, and the other end passes from the cylinder front end; It also has support, spring, slide block, damper connector and return plug; Slide block is placed in the support and can moves in support, and slide block has shift fork, and shift fork is halved together with the return plug of the retaining rail bottom that is fixed on drawer guideway; Damper is rack-mount, and an end of the connecting rod of damper and damper connector is affixed, and the other end of damper connector and slide block flexibly connect; One end of spring is fixed on the support, and the other end is connected with slide block.

Further improve as the utility model, support has spring storehouse, damper storehouse and slide block storehouse; Spring storehouse one side communicates with the slide block storehouse, and opposite side is shaped on bellmouth; Damper storehouse one side communicates with the slide block storehouse, is shaped on the shoulder groove in it; The bulkhead up and down in slide block storehouse has the guide groove of identical shaped J-shaped.

Further improve as the utility model, slide block is roughly at right angles triangular shaped, is shaped on shift fork on its first right-angle side, projection and back projection before the next door of first right-angle side is shaped on, and preceding projection and back projection insert in the guide groove of support; Stage casing at second right-angle side has breach, and breach is Ω shape; Be shaped on the card frame in the junction of second right-angle side and hypotenuse.

Further improve as the utility model, the damper connector has the cylinder of two mutually orthogonals, and there is axis hole in one of them cylindrical center of circle, and connecting rod tightly inserts axis hole; Another cylinder is installed in the breach of slide block.

Further improve as the utility model, spring is extension spring, the neck that its two has diameter to shrink, and the two ends neck embeds the bellmouth of support and the card frame of slide block respectively.

The utility model is work like this: the return plug is installed under the retaining rail of drawer guideway, damper, slide block and spring all are contained on the support, support is installed in drawer bottom and follows drawer and move together, slide block connects or separates with the return plug according to the different stages in moving process: be connected with the return plug at the last stage slide block that drawer is pulled out, damper resets and does not produce additional drag, the spring energy storage that is stretched; The after-stage slide block of pulling out at drawer breaks away from the return plug, and support and drawer move freely on guide rail; In the last stage that drawer pushes back, support and drawer move freely on guide rail; At the after-stage that drawer pushes back, slide block is connected with the return plug 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 utility model 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 utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is the schematic diagram of the utility model embodiment;

Fig. 2 is that the A of Fig. 1 is to view;

Fig. 3 is the structure chart of damper among the embodiment;

Fig. 4 is the schematic diagram of damper;

Fig. 5 is the front view of support;

Fig. 6 is the right view of support;

Fig. 7 is the schematic diagram of damper connector;

Fig. 8 is the schematic diagram of return plug;

Fig. 9 is the schematic diagram of slide block;

Figure 10 is the schematic diagram when drawer integrated buffer during in the closed position;

Figure 11 is the schematic diagram of integrated buffer when drawer carries out energy storage in the stage of pulling out to spring;

Figure 12 be when drawer at the schematic diagram of pulling out stage slide block integrated buffer when separating with the return plug;

Figure 13 is the schematic diagram of integrated buffer after drawer is being pulled out the stage slide block and the return plug is separated;

Figure 14 is the schematic diagram of integrated buffer when drawer is pushing back the stage slide block and do not engage with the return plug;

Figure 15 is the schematic diagram when drawer integrated buffer when the stage slide block of pushing back has just been run into the return plug;

Figure 16 is the schematic diagram of integrated buffer after drawer is pushing back the stage slide block and the return plug engages.

The specific embodiment

Referring to Fig. 3～Fig. 9, integrated drawer buffer has a known damper, and damper has plastic cylinder 1, bonnet 2, piston 3 and connecting rod 5, piston 3 is installed in the cylinder 1, bonnet 2 is fixed on cylinder 1 rear end, and connecting rod 5 one ends are affixed with piston 3, and the other end passes from cylinder 1 front end; Be set with Y shape elastic tape 18 on the piston 3 and make that uniaxially bore resistance when piston was pressed to bonnet 2.

Support 6 is made of plastic, is shaped on spring storehouse 19, damper storehouse 20 and slide block storehouse 21 on it, is respectively applied for to lay or fixing spring 4, damper and slide block 7.Spring storehouse 19 1 sides communicate with slide block storehouse 21, and opposite side is shaped on bellmouth 22; Damper storehouse 20 1 sides communicate with slide block storehouse 21, are shaped on shoulder groove 26 in it; The bulkhead up and down in slide block storehouse 21 all has identical shaped guide groove 11, and guide groove 11 is formed by a straightway and one section arc smooth connection, as the shape of letter " J ".

Slide block 7 is made of plastic, roughly at right angles triangular shaped, on its first right-angle side, be shaped on shift fork 12, projection 9 and back projection 10 before the next door of first right-angle side is shaped on, before projection 9 and back projection 10 extend in two guide grooves 11 up and down that insert support 7 with the below upward perpendicular to triangle projective planum, the diameter of preceding projection 9 and back projection 10 and the groove width of guide groove 11 are adaptive; Have breach 14 in the stage casing of second right-angle side, the shape of breach 14 is Ω shape; Be shaped on card frame 17 in the junction of second right-angle side and hypotenuse.

Damper connector 8 is made of plastic, it has the cylinder of two mutually orthogonals, and there is axis hole 13 in one of them cylindrical center of circle, the connecting rod 5 tight axis holes 13 that insert, another cylinder is installed in the breach 14 of slide block 7, and this cylindrical diameter is slightly smaller than the internal diameter of breach 14.

Return plug 30 also is that plastics are made, and its side has two projections: preceding projection 23 and back projection 24 can enter shift fork 12 the insides of slide block 7 simultaneously; At opposite side two non-return pins are arranged, can be installed in the return plug on the drawer guideway apace whereby.

Spring 4 is the extension springs of steel wire screwed pipe, the neck that its two coiled diameter shrinks, to the two ends neck a little pressure just can make them embed the bellmouth 22 of support 6 and the card frame 17 of slide block 7 respectively.

Referring to Fig. 1 and Fig. 2, the slide block storehouse 21 of support 6 has the two sides to open wide, slide block 7 can be filled in support 6 and make the preceding projection 9 and the corresponding respectively guide groove 11 that enters lower wall on the support 6 of back projection 10 of slide block 7 from this two sides, the motion of slide block 7 is subjected to the constraint of the last lower wall of guide groove 11 and support 6: when current projection 9 and back projection 10 all are in the straightway of guide groove 11, slide block 7 moves as straight line, when current projection 9 enters the arc of guide groove 11, slide block 7 deflections.The cylinder 1 of damper has two crossettes 25, and two shoulder grooves 26 are arranged on the damper storehouse 20 of support 6.When placing damper, two crossettes 25 are aimed at these two shoulder grooves 26, and pull out damper connector 8, make the breach 14 of its aligning slide block 7, damper is positioned on the support 6, finish being connected of damper and slide block 7 simultaneously.During mounting spring 4, at first embed an end of spring 4, then the other end of spring 4 is embedded the bellmouth 22 of support 6 toward the card frame 17 of slide block 7.2 cramps 27, locating

28 and 2 fixing threaded holes 29 are arranged around the support 6, rely on them to make support 6 can be fixed on the bottom of drawer rapidly and accurately.

Figure 10～Figure 13 shows present embodiment and is pulled outwardly out the variation of mutual alignment between each parts the process from closed condition at drawer, for the purpose of observing easily, marks the main profile of support 6 among the figure with thin double dot dash line.Referring to Figure 10, drawer is in closed condition, and the piston 3 of damper and connecting rod 5 fully move into the rear portion of cylinder 1, and spring 4 fully shrinks, and the shift fork 12 of slide block 7 surrounds the preceding projection 23 and the back projection 24 of return plug 30 simultaneously.

Referring to Figure 11, drawer is stressed outwards to be moved, and support 6 is followed drawer and moved, because slide block 7 is rested on the original place by 30 stop of return plug, moves to the front end of guide groove 11 so be equivalent to slide block 7, and the piston 3 of damper is drawn out of, and spring 4 is stretched.

Referring to Figure 12, drawer continues stressed outwards mobile, the preceding projection 9 of slide block 7 walk to be over guide groove 11 straightway immediately under the moment loading that spring 4 applies deflection enter the arc of guide groove 11, the deflection of slide block 7 makes the front fork of shift fork 12 leave return plug 30, so far the thermal energy storage process of spring 4 finishes, and the piston 3 of damper moves to cylinder 1 foremost.

Referring to Figure 13, support 6 is followed the drawer freedom and is outwards moved to the complete pull-out location of drawer, and in this segment limit, slide block 7 is self-locking in inflection point under the drag torque effect of spring 4.

Figure 14～Figure 16 shows present embodiment variation of mutual alignment between each parts drawer is slippaged process inwards from the state of pulling out fully.

Referring to Figure 14, the shift fork 12 of slide block 7 is run into before the return plug 30, and support 6 is followed drawer and moved freely.

Referring to Figure 15, the back vent of the shift fork 12 of slide block 7 is run into return plug 30, and mobile being about to of shift fork 12 is obstructed.

Referring to Figure 16, support 6 continues to move forward, and the back projection 10 that makes slide block 7 moves backward along the straightway of guide groove 11 but shift fork 12 mobile is obstructed, and the arc that preceding projection 9 withdraws from guide groove 11 enters straightway, and then shift fork 12 clamps return plug 30 again, and slide block 7 is by stop.Be pulled to clap at the pulling force effect lower carriage 6 of spring 4 and whole drawer and close the position, in this process, the piston 3 of damper is forced to cylinder 1 rear portion and is moved compressed gas gas in the jar when piston 3 moves, slowed down the translational speed of drawer, drawer steadily and is snugly closed fully.

Under following two kinds of situations, slide block 7 may be in the state that does not have deflection: 1. the erection stage 2. of the product shift fork 12 that touched slide block 7 when whole drawer is taken out causes slide block 7 to reset.When pushing back drawer inside in the case, the front fork of the shift fork 12 of slide block 7 at first with back projection 24 collision of return plug 30, collision not only can not make each assembly of integrated drawer buffer be returned to normal operation position but also very easily damage assembly.For avoiding this situation to occur, present embodiment is made an inclined-plane 31 at the front fork of the shift fork 12 of slide block 7, make slide block 7 on its thickness direction, be loose cooperating in addition with slide block storehouse 21, like this when the front fork of the shift fork 12 of slide block 7 is run into the back projection 24 of return plug 30, the front fork of shift fork 12 is just ascended over below the back projection 24 of return plug 30 and then is got over the preceding projection 23 of return plug 30 again, thereby rebulids correct connection.

Claims

1. integrated drawer buffer, it comprises damper, damper has cylinder (1), bonnet (2), piston (3) and connecting rod (5), piston (3) is installed in the cylinder (1), bonnet (2) is fixed on cylinder (1) rear end, the connecting rod same pistons of (5) one ends (3) are affixed, and the other end passes from cylinder (1) front end; It is characterized in that: it also has support (6), spring (4), slide block (7), damper connector (8) and return plug (30); Slide block (7) is placed in the support (6) and can moves in support (6), and slide block (7) has shift fork (12), and shift fork (12) is halved together with the return plug (30) of retaining rail (32) bottom that is fixed on drawer guideway; Damper is installed on the support (6), and the connecting rod of damper (5) is affixed with an end of damper connector (8), and the other end of damper connector (8) and slide block (7) flexibly connect; One end of spring (4) is fixed on the support (6), and the other end is connected with slide block (7).

2. according to the described integrated drawer buffer of claim 1, it is characterized in that: described support (6) has spring storehouse (19), damper storehouse (20) and slide block storehouse (21); Spring storehouse (19) one sides communicate with slide block storehouse (21), and opposite side is shaped on bellmouth (22); Damper storehouse (20) one sides communicate with slide block storehouse (21), are shaped on shoulder groove (26) in it; The bulkhead up and down in slide block storehouse (21) has the guide groove (11) of identical shaped J-shaped.

3. according to the described integrated drawer buffer of claim 1, it is characterized in that: described slide block (7) is roughly at right angles triangular shaped, on its first right-angle side (15), be shaped on shift fork (12), be shaped on preceding projection (9) and back projection (10) on the next door of first right-angle side (15), preceding projection (9) and back projection (10) insert in the guide groove (11) of support (6); Have breach (14) in the stage casing of second right-angle side (16), breach (14) is Ω shape; Junction at second right-angle side (16) and hypotenuse is shaped on card frame (17).

4. according to the described integrated drawer buffer of claim 1, it is characterized in that: described damper connector (8) has the cylinder of two mutually orthogonals, and there is axis hole (13) in one of them cylindrical center of circle, and described connecting rod (5) tightly inserts axis hole (13); Another cylinder is installed in the breach (14) of slide block (7).

5. according to the described integrated drawer buffer of claim 1, it is characterized in that: described spring (4) is extension spring, the neck that its two has diameter to shrink, and the two ends neck embeds the bellmouth (22) of support (6) and the card frame (17) of slide block (7) respectively.