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WO2017219487A1 - 具有消音回弹功能的同步抽屉滑轨系统 - Google Patents

具有消音回弹功能的同步抽屉滑轨系统 Download PDF

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Publication number
WO2017219487A1
WO2017219487A1 PCT/CN2016/096870 CN2016096870W WO2017219487A1 WO 2017219487 A1 WO2017219487 A1 WO 2017219487A1 CN 2016096870 W CN2016096870 W CN 2016096870W WO 2017219487 A1 WO2017219487 A1 WO 2017219487A1
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WO
WIPO (PCT)
Prior art keywords
groove
rail
positioning
drawer
hole
Prior art date
Application number
PCT/CN2016/096870
Other languages
English (en)
French (fr)
Inventor
许兴隆
张海文
朱光达
季强
Original Assignee
无锡海达尔精密滑轨股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 无锡海达尔精密滑轨股份有限公司 filed Critical 无锡海达尔精密滑轨股份有限公司
Priority to US15/774,586 priority Critical patent/US10582771B2/en
Publication of WO2017219487A1 publication Critical patent/WO2017219487A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/497—Sliding drawers; Slides or guides therefor with other guiding mechanisms, e.g. scissor mechanisms
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/467—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-closing
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/473—Braking devices, e.g. linear or rotational dampers or friction brakes; Buffers; End stops
    • A47B88/477—Buffers; End stops
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/49—Sliding drawers; Slides or guides therefor with double extensible guides or parts
    • A47B88/493—Sliding drawers; Slides or guides therefor with double extensible guides or parts with rollers, ball bearings, wheels, or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0018—Buffers, stop blocks or latches for single drawer slides
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0064—Guide sequencing or synchronisation
    • A47B2210/007—Three slide synchronisation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0064—Guide sequencing or synchronisation
    • A47B2210/0072—Coordinating mechanisms for sequential drawer slides, e.g. by cable
    • A47B2210/0075—Coordinating mechanisms for sequential drawer slides, e.g. by cable using gears
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0064—Guide sequencing or synchronisation
    • A47B2210/0078—Drawers with parallel guidance or synchronization by pinion-shaft linkages
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0091—Drawer movement damping

Definitions

  • the invention relates to the field of slide rail systems, in particular to a synchronous drawer slide rail system with a muffling rebound function.
  • the existing drawer slide rail system automatically installs an automatic rebound mechanism in the slide rail to achieve automatic buffer closure of the drawer at the last end of the closure to achieve reliable closing of the drawer; and the existing automatic rebound mechanism includes two types, one The drawer slide is automatically closed only by the springback of the spring, and the buffering effect in the automatic closing is unstable and the noise is large; the other is to automatically close the drawer by the spring and the damping device, wherein the damping device can ensure The drawer slide rail is slowly and automatically closed under the spring rebound action to ensure a stable cushioning effect during the automatic closing process, and the use noise can be greatly reduced, but at present, the damper device in the automatic rebound mechanism is mostly mounted on the slide.
  • the present invention provides a synchronous drawer slide rail system with a muffling rebound function, which can solve the slide rail space caused by the damper device of the rebound mechanism being disposed at the bottom end of the slide rail in the existing drawer slide rail system.
  • the technical solution is a synchronous drawer slide system with a muffling rebound function, which comprises two sets of slide rail assemblies, and the two outer sides of the drawer are respectively slidably connected to the inner side walls of the cabinet through the symmetrically arranged slide rail assemblies.
  • the two sets of rail assemblies are synchronously connected by a synchronization mechanism
  • the slide rail assembly includes an outer rail, a middle rail and an inner rail, and the outer rail and the inner rail are slidably connected through the intermediate rail
  • Inner rail Attached to the side wall of the drawer, wherein the inner side wall of the cabinet is fixed with a housing part, and the housing part is opened toward a side of the drawer and is relatively slipped along the drawer and the cabinet a longitudinally extending straight concave groove, the slide assembly is mounted in the linear concave groove, and the bottom surface of the housing member is provided with a horizontally extending plate extending toward one side of the drawer, the horizontal extension plate
  • the inner side end is provided with a rack, and a bottom groove is formed between the bottom groove wall of the linear concave groove and the rack, and a slide rebound mechanism is installed in the groove.
  • a rear end positioning plate is disposed at a rear end of the linear concave groove of the housing member, and the end wall of the upper and lower groove walls of the linear concave groove is provided with a side limiting plate extending vertically and oppositely.
  • the outer rail of the slide rail assembly is fitted in the linear concave groove, and the inner rail faces the side of the drawer, the outer rail is provided with a square through hole, and the housing component is linearly concave.
  • the bottom of the groove is correspondingly provided with an elastic hook, the elastic hook is engaged with the square through hole, and the outer rail is restricted by the rear positioning plate, the side limiting plate and the elastic hook.
  • the outer rail of the slide rail assembly is provided with a riveted circular hole, and a position of the shell member corresponding to the riveted circular hole is provided with a hollow hole, and the outer rail of the slide rail assembly and the shell
  • the stainless steel positioning rivets are riveted by the stainless steel positioning rivets between the body parts, and the stainless steel positioning rivets are convexly protruded from the outer side surface of the casing and are matched with the mounting holes on the side surfaces of the cabinet body.
  • the outer side surface of the housing component is provided with two positioning posts, and the two positioning posts are cooperatively positioned with the mounting holes on the inner side of the cabinet body.
  • the slide rebound mechanism includes a rebound body, a slider, a toggle block, a damping device and a spring, and the rebound body is fixed in the groove, and the toggle block is fixed in the On the inner side wall of the inner rail, the rebound body is provided with a guiding structure, the damping device and the rear end of the spring are fixed on the rebound body and the damping device is arranged in parallel with the spring The front end of the damper rod of the damper device and the front end of the spring are respectively connected to the slider, the slider is mounted on the guiding structure and can move along the guiding structure, and the dial block can be The slider forms a fit to drive the slider to move along the guiding structure.
  • the rebound body is hollowed out along the length direction to form an outer open receiving groove and a sloped surface, and The front end of the receiving groove is closed, and the rear end is provided with a card slot.
  • the spring is received in the receiving groove and the rear end is engaged in the card slot.
  • the top wall of the receiving groove is provided with a damping device.
  • a top wall of the receiving groove on the front side of the damper fixing structure forms a horizontal guiding portion
  • the slider is slidably mounted on the horizontal guiding portion, and an upper portion of the rear end of the slider and a guiding rod of the damper device
  • the front side of the receiving groove is fixedly connected to the front end of the spring, and the inclined side surface of the front side of the receiving groove is integrally provided with a slope, the inclined surface is provided with a protrusion, and the protrusion is a positioning groove is formed between the top corners of the front end of the receiving groove, and the front end of the inclined surface portion is provided with an L-shaped limiting mounting portion, and the horizontal guiding portion, the inclined surface portion, the positioning groove and the L-shaped limiting mounting portion constitute the guiding structure;
  • the horizontal guiding portion of the rebounding body and the outer side surface of the inclined surface portion are further provided with an integral baffle.
  • the slider includes an inner panel, and an outer side of the inner panel is provided with an upper convex portion and a lower convex portion, the lower convex portion is located at a bottom rear end of the inner side panel and a top surface of the lower convex portion a horizontal plane, a top of the upper convex portion is provided with an upwardly opening dial groove, and a bottom surface of the upper convex portion facing the lower convex portion is provided with a diagonally upward slit edge, and a bottom surface of the upper convex portion is provided a downward positioning protrusion, a concave recess is formed between the slit edge and the positioning protrusion, and a bottom surface of the positioning protrusion is flush with a bottom edge of the rear protrusion of the upper protrusion a horizontal guiding groove is formed between the positioning protrusion of the convex portion, the bottom edge of the rear end and the top surface of the lower convex portion, the horizontal guiding portion of the rebounding body is embedded in the horizontal guiding
  • the damper fixing structure includes a rear bracket and a front bracket, a rear end of the damper device is fixed on the rear bracket, and a front end is limited by the front bracket, and the front bracket is A horizontal through slot is opened, and a guiding rod of the damper device is connected to the rear end of the slider after passing through the horizontal through slot.
  • the rear ends of the upper convex portion and the lower convex portion are respectively provided with T-shaped grooves, and the front end of the guiding rod of the damping device is embedded in the T-shaped groove of the upper convex portion, the spring The front end is embedded in the T-shaped groove of the lower convex portion.
  • the synchronization mechanism includes two gears, a rack on the two side rail assemblies, and a connecting rod, and the two gears are respectively mounted on the inner rail of the corresponding rail assembly through the gear base.
  • Two One of the gears is respectively meshed and coupled to the rack on the housing member of the side rail assembly, and the two gears are synchronously connected by the connecting rod.
  • the gear base comprises two semi-circular seats symmetrically disposed opposite to each other, the inner sides of the two semi-circular seats are fixed on the circular convex plate, and the circular convex plate is provided with a center a shaft hole, the outer sides of the two semicircular seats are symmetrically provided with elastic hooks and the two elastic hooks are provided with symmetrical semi-cylindrical grooves; the inner side walls of the inner rails of the slide rail assembly are provided with an orientation
  • the inner protruding portion of the bridge has a mounting hole formed therein, and the two elastic hooks of the gear base are hooked with the mounting hole.
  • the gear base includes a base body, the base body is provided with an axial through hole, and an inner side surface of the base body is provided with a circular convex plate protruding from the outer circumference of the base body
  • a positioning plate is fixed on the outer side surface, and a center of the circular convex plate and a center of the positioning plate respectively open a through hole communicating with the axial through hole, and the outer side surface of the positioning plate is located at the through hole
  • the positioning flanges are respectively disposed on the inner rails of the slide rail assembly, and the positioning holes are respectively disposed on the inner rails of the slide rail assembly, and the positioning flanges are embedded in the two sides of the inner rails.
  • the rivet and the rivet sequentially penetrate through the through hole of the circular convex plate, the through hole of the base body, the through hole of the positioning plate, and the intermediate positioning hole of the inner rail, and the gear base and the inside of the sliding rail assembly Rail riveting.
  • the outer side of the gear is provided with an inner cavity
  • the center of the bottom surface of the inner cavity is provided with a central axis
  • a hook is arranged around the outer circumference of the central axis
  • the inner side of the adjacent two hooks a bump is further disposed on a bottom surface of the cavity
  • a circular convex plate of the gear base protrudes into the inner cavity of the gear
  • the central shaft extends into the central shaft hole and the hook and the hook
  • the outer circumference of the circular convex plate is hooked.
  • a center of the inner side surface of the gear is provided with a square bushing, and the two sides of the square bushing are symmetrically provided with a T-shaped card board, and the connecting rod is a square tube, and the two ends of the connecting rod are on the wall of the rod
  • An open slot is provided, the two ends of the connecting rod are sleeved with the square sleeves of the gears on both sides, and the T-shaped card board is engaged in the open slot, and the connecting rod and the square sleeve are fixed by screws.
  • the utility model has the beneficial effects that: the slide rail assembly and the slide rebound mechanism are both mounted in the housing component, and the slide rebound mechanism is disposed below the inner side surface of the slide rail assembly, so the inner and rear ends of the slide rail assembly There is no need to reserve installation space for the slide rebound mechanism, thereby effectively reducing the space occupancy of the entire slide rail system, and at the same time ensuring the length of the middle rail of the slide rail assembly to ensure that the intermediate rail and the outer rail coincide with the length to meet the slide drawer
  • the slide rebound mechanism is installed in the recess of the housing component to realize the hidden installation of the slide rebound mechanism, which can ensure The overall shape of the slide rail system is simple and beautiful, and can protect the slide rebound mechanism, preventing external pollution from affecting the reliable work of the slide rebound mechanism.
  • FIG. 1 is a schematic structural view of a synchronous drawer slide rail system in a closed state according to the present invention
  • FIG. 2 is a schematic structural view of a synchronous drawer slide rail system in an open state according to the present invention
  • FIG. 3 is a housing component of the synchronous drawer slide rail system of the present invention
  • FIG. 4 is a schematic structural view of another embodiment of the synchronous drawer slide rail system of the present invention
  • FIG. 5 is a schematic view of the outer rail of the slide rail assembly of the synchronous drawer slide rail system of the present invention installed in the housing component
  • FIG. 6 is a schematic structural view of a slide rebound mechanism in a synchronous drawer slide system according to the present invention
  • FIG. 7 is a schematic structural view of a rebound main body of the slide rebound mechanism
  • FIG. 8 is a slide diagram of the slide rebound mechanism;
  • FIG. 9 is an enlarged schematic structural view of another view of the slider of the slide rebound mechanism;
  • FIG. 10 is a schematic view showing the installation of the slide rebound mechanism and the housing member in the synchronous drawer slide system of the present invention;
  • FIG. 12 is a schematic view of the outer side of the gear base in the synchronizing mechanism;
  • FIG. 13 is a schematic view of the inner side of the gear base in the synchronizing mechanism;
  • FIG. 15 is a schematic view of the inner side of the second embodiment of the gear base in the synchronizing mechanism;
  • FIG. 16 is a schematic view of the inner side of the second embodiment of the gear base in the synchronizing mechanism;
  • Figure 17 is a schematic view showing the second embodiment of the gear base in the synchronizing mechanism and the inner rail of the slide rail assembly;
  • Figure 18 is a schematic view of the outer side of the gear in the synchronizing mechanism;
  • Fig. 21 is a partially enlarged schematic view showing the assembly of the connecting rod end and the two end gears in the synchronizing mechanism;
  • Fig. 22 is the slider in the sliding rebound mechanism.
  • FIG. 23 is a schematic diagram of the automatic return process after the failure of the combination of the dial block and the slider in the slide rebound mechanism;
  • FIG. 24 is the positioning of the outer side of the casing member and the side of the cabinet body in the present invention
  • FIG. 25 is a schematic view showing the positioning structure of the second embodiment of the outer side surface of the casing member and the inner side surface of the cabinet body according to the present invention.
  • front and rear as used in the present invention is based on the opening direction of the drawer with respect to the cabinet, and the “front” in the same direction as the opening direction and the “rear” in the same direction as the closing direction;
  • the inner side refers to the side facing the side wall of the cabinet, and the outer side refers to the side facing the side wall of the drawer.
  • the present invention has a synchronized drawer slide system with a muffling and rebound function, comprising two sets of slide rail assemblies 10, the two outer sides of the drawer being respectively symmetrically disposed with the slide rail assembly 10 and the inner sides of the cabinet
  • the wall is relatively slidably connected, and the two sets of the slide rail assemblies 10 are synchronously connected by a synchronizing mechanism 30.
  • the slide rail assembly 10 includes an outer rail 11, an intermediate rail 12 and an inner rail 13, respectively, and an intermediate rail is passed between the outer rail 11 and the inner rail 13 12 sliding connection, the inner rail 13 is fixed to the side wall of the drawer; the inner side wall of the cabinet is fixed with the housing part 40, see FIG. 3 and FIG.
  • the housing part 40 is opened along a side of the drawer along the drawer and the cabinet
  • the straight linear concave groove 41 extending in the sliding direction of the body, the slide rail assembly 10 is mounted in the linear concave groove 41, and the bottom surface of the casing member 40 is provided with a horizontally extending plate 42 extending toward one side of the drawer.
  • the inner end of the horizontal extension plate 42 is provided with a rack 32, and a downward groove 43 is formed between the bottom groove wall of the linear concave groove and the rack 32.
  • the slide spring rebound mechanism 20 is installed in the groove 43, and the groove 43 is mounted.
  • the bottom surface of the groove is provided with a positioning boss 47; the rear end of the linear concave groove 41 of the casing member 40 is provided with a rear end
  • the positioning plate 44, the end of the groove wall of the upper and lower sides of the linear concave groove 41 is provided with a side limiting plate 45 extending vertically and oppositely, and the outer rail 11 of the sliding rail assembly is locked in the linear concave groove 41, and at the same time
  • the rail 13 faces the side of the drawer, and the outer rail 11 has a square through hole 111, and the bottom of the groove of the linear concave groove of the housing member is provided with an elastic card.
  • the hook 46, the elastic hook 46 is engaged with the square through hole 111, and the outer rail 11 is limited by the rear positioning plate 44, the side limiting plate 45 and the elastic hook 46, as shown in FIG. 5; the outer rail 11 of the sliding rail assembly a riveted circular hole is formed, and a hole avoiding hole 48 is defined in the position of the shell member 40 corresponding to the riveted circular hole.
  • the outer rail 11 of the slide rail assembly and the shell member 40 are riveted by a stainless steel positioning rivet 50,
  • the escaping hole 48 is riveted, as shown in Fig. 24 (the rivet hole of the outer rail 11 and the outer rail 11 in Fig.
  • the stainless steel positioning rivet 51 is convexly convex to the housing member.
  • the outer side surface is matched with the mounting hole on the side surface of the cabinet body to ensure precise positioning and installation of the slide rail assembly and the cabinet body; and another manner, as shown in FIG. 25, the positioning protrusion 52 is directly disposed on the outer side surface of the housing member 40.
  • the positioning protrusion 52 is matched with the mounting hole on the side surface of the cabinet body.
  • the slide rebound mechanism 20 includes a rebound main body 21, a slider 22, a dial block 23, a damper device 24, and a spring 25. See FIG. 6, the rebound body 21 is fixed in the recess 43, and the dial block 23 is fixed. On the inner side wall of the inner rail 13, the rebound main body 21 is provided with a guiding structure, the damping device 24, and the rear end of the spring 25 are fixed on the rebound main body 21 and the damping device 24 is disposed in parallel with the spring, and the damping device 24 The front end of the damper rod and the front end of the spring 25 are respectively connected with the slider 22, the slider 22 is mounted on the guiding structure and can move along the guiding structure, and the dialing block 23 can cooperate with the slider 22 to drive the slider 22 along the guiding structure. mobile.
  • the rebound body 21 is hollowed out in the longitudinal direction to form an outer open receiving groove 211 and a sloped portion 212 , and the front end of the receiving groove 211 is closed, and a rear end is provided with a card slot 213 , and the spring 25 is received in the receiving groove 211 .
  • the rear end is engaged in the 213 card slot, and the top wall of the receiving slot 211 is provided with a damper fixing structure.
  • the damper fixing structure includes a rear bracket 214 and a front bracket 215, and the rear end of the damper device 24 is fixed at the rear portion.
  • the front end of the bracket 214 is limited by the front bracket 215, and the front bracket 215 is provided with a horizontal through slot 216.
  • the guiding rod of the damping device 24 passes through the horizontal through slot 216 and is connected with the rear end of the slider 22;
  • the top wall of the receiving groove on the front side of the fixing structure forms a horizontal guiding portion 217, and the slider 22 is slidably mounted on the horizontal guiding portion 217, and the upper portion of the rear end of the slider 22 is fixed to the guide rod of the damper device, and the lower portion and the front end of the spring 25 are fixed.
  • the front side of the accommodating groove 211 is provided with an integral downwardly inclined slope portion 212.
  • the inclined surface portion 212 is provided with a protrusion 218, and the protrusion 218 forms a positioning groove 219 with the apex angle of the front end of the accommodating groove.
  • the front end is provided with an L-shaped limit mounting portion 210, and the L-shaped limit is mounted.
  • the mounting portion 210 cooperates with the positioning boss 47 of the groove bottom of the housing member 40, as shown in FIG. 10; the horizontal guiding portion 217, the inclined surface portion 218, the positioning groove 219 and the L-shaped limiting mounting portion 210 constitute a guiding structure;
  • a rectangular hole 321 is defined in the bottom of the front end of the strip 32.
  • the elastic buckle 2111 is disposed at the rear end of the rebound main body 21, and the elastic buckle 2111 is engaged with the rectangular hole 321 when the rebound main body 21 is installed in the recess 43. .
  • the slider 22 includes an inner side panel 221, and an outer side of the inner side panel 221 is provided with an upper convex portion 222 and a lower convex portion 223, and the lower convex portion 223 is located at the bottom rear end of the inner side panel and the top surface of the lower convex portion 2231 is a horizontal plane, the top of the upper convex portion 222 is provided with an upwardly opening dial groove 224, and the bottom surface of the upper convex portion facing the lower convex portion 223 is provided with an obliquely-shaped cutting edge 2221, and the bottom surface of the upper convex portion 222 is provided
  • the downward positioning protrusion 225 forms a concave recess 226 between the cutting edge 2221 and the positioning protrusion 225.
  • the bottom surface of the positioning protrusion 225 is flush with the rear end bottom edge 2222 of the upper convex portion 222, and the upper convex portion 222 is flush.
  • a horizontal guiding groove 227 is formed between the positioning protrusion 225, the rear end bottom edge 2222 and the top surface 2231 of the lower convex portion.
  • the horizontal guiding portion 217 of the rebounding body 21 is embedded in the horizontal guiding groove 227, and the bottom side of the inner panel 221 is included.
  • the front bevel 2211 and the rear horizontal edge 2212 are joined, and the front bevel 2211 is inclined upward and parallel with the cut edge of the 2221.
  • the positioning protrusion 225 and the front bevel 2211 can respectively be aligned with the positioning groove 219 on the rebound body.
  • the inclined surface portion 212 is formed to be matched; the rear ends of the upper convex portion 222 and the lower convex portion 223 are respectively provided with T-shaped grooves 228 and 229, which are blocked.
  • the front end of the guide rod of the device 24 is embedded in the T-shaped groove 228 of the upper convex portion, and the front end of the spring 25 is embedded in the T-shaped groove 29 of the lower convex portion; the horizontal guide portion 217 of the rebound main body 21, the inclined surface portion 218
  • the outer side surface is further provided with an integral baffle 2110 for limiting the outer side of the slider 22 to prevent the slider 22 from tipping outward when the toggle block 23 is moved.
  • the synchronizing mechanism 30 includes two gears 31, a rack 32 on both side rail assemblies, and a connecting rod 33.
  • the two gears 31 are respectively mounted in the corresponding rail assembly through the gear base 34.
  • the racks 32 on the housing parts of the two side rail assemblies are respectively meshed with a gear 32, and the two gears 32 are synchronously connected by the connecting rod 33; during the opening or closing of the drawer,
  • the connecting rod 33 drives the gears 32 on both sides to synchronously move along the racks 32 on both sides, thereby ensuring that the rail assemblies on both sides are simultaneously opened or closed.
  • the gear base 34 includes two semi-circular seats 341 which are symmetrically disposed opposite each other.
  • the inner sides of the two semi-circular seats 341 are fixed to the circular convex plate 342, and are circularly convex.
  • the plate 342 is provided with a central shaft hole 343, the inner sides of the two semicircular seats 341 are symmetrically provided with elastic hooks 344 and the two hooks are provided with symmetrical semi-cylindrical grooves 345; the inner side of the inner rail of the slide rail assembly
  • the wall is provided with an inwardly projecting bridge portion 131.
  • the bridge portion 131 has a mounting hole formed therein, and the two elastic hooks 344 of the gear base are hooked to the mounting holes.
  • the gear base 34 can also adopt another structure. As shown in FIGS. 15-17, the gear base 34 includes a base body 346.
  • the base body 346 has an axial through hole 3461, and the inner side of the base body 346 is provided.
  • the outer side of the positioning plate 347 is respectively provided with positioning flanges 3472 on both sides of the through holes 3421, and the inside of the sliding rail assembly
  • the positions of the corresponding positioning flanges 3472 and the through holes 3471 of the rail 13 are respectively provided with positioning holes 132, 133, and the positioning flanges 3472 are fitted into the positioning holes 132 of the inner rails 13 and the rivets are sequentially penetrated through the circular convex plates.
  • the hole 3421, the through hole 3461 of the base body, the through hole 3471 of the positioning plate, and the intermediate positioning hole 133 of the inner rail are then riveted to the gear base 34 and the inner rail 13 of the slide rail assembly.
  • the outer side of the gear 31 is provided with a concave cavity, and the center of the bottom surface of the inner cavity is provided with a central shaft 311, and a hook 312 is arranged around the outer circumference of the central shaft 311, and the bottom surface of the inner cavity between the adjacent two hooks 312
  • a bump 313 is also provided, and the circular convex plate 342 of the gear base 34 projects into the inner cavity of the gear while the central shaft 311 extends into the central shaft hole 343 and the hook 312 and the outer peripheral hook of the circular convex plate 342 are hooked.
  • the bump 313 is in contact with the inner end surface of the gear base to reduce the frictional force when the gear 31 rotates.
  • the center of the inner side surface of the gear 31 is provided with a square sleeve 314.
  • the two sides of the square sleeve 314 are symmetrically provided with a T-shaped card plate 315.
  • the connecting rod 33 is a square tube.
  • the two ends of the connecting rod 33 are provided with open slots 331.
  • the two ends of the connecting rod 33 are sleeved with the square bushings 314 of the gears on both sides, and the T-shaped card board 315 is snapped into the opening slot of the opening 331, and the connecting rod 33 and the square bushing 314 are fixed by the screws 332.
  • the drawer drives the inner rail 13 to move forward, so that the dial block 23 drives the slider 22 to move forward along the horizontal guide portion 217 of the rebound body 21 while the guide rod and spring 25 of the damper device 24 are Stretching, see Fig. 19b, when the positioning projection 225 of the slider 22 moves to the front corner end of the horizontal guiding portion 217 and continues to advance, the positioning projection 225 slides forward into the positioning groove 219 at the front portion of the rebounding body.
  • the inner simultaneous slider 22 is tilted as a whole by the inclined surface portion 212, and at the same time, the dial groove 224 at the top of the slider 22 is also in a state of front low and high, and the dial block 23 can be moved from the inner rail 13 when moving forward.
  • the front groove wall of the dial groove 224 is disengaged from the constraint, and the drawer pulls the inner rail 13 to continue to open, at which time the slider 22 passes
  • the positioning protrusion 225 is engaged with the positioning groove 219 and is positioned forwardly in front of the rebound body 21 and the guide rods of the spring 25 and the damping device 24 are fully stretched, see FIG. 19c; when the drawer is to be closed, the drawer Driving the inner rail 13 to move backward, because the slider 22 is still in the forward tilting state, that is, the dialing slot 224 is still in front.
  • the low rear height state so that the dial block 23 can move over the front side groove wall of the dial groove 224 into the dial groove 224 and the rear end surface of the dial block 23 and the dial groove 224 are driven by the inner rail 13
  • the rear side groove wall contacts, the inner rail 13 continues to drive the dial block 23 to move backward, and the dial block 23 pushes the slider 22 to rotate slightly counterclockwise while the positioning protrusion 225 is disengaged from the positioning groove 219, and the entire slider 22 is tilted forward.
  • the dialing groove 224 of the slider 22 is also in a horizontal state, and the front and rear ends of the dialing block 23 are completely restricted by the dialing groove 224.
  • the guide rod of the damper device 24 is driven to slide.
  • the block 22 is slowly moved back, while the slider 22 causes the dial block 23 and the inner rail 13 to slowly move back together until the inner rail 13 is fully closed and the drawer is fully closed.
  • the slider 22 may rebound from the front end positioning groove 219 by the rebound of the spring 25, and the entire slide rebound mechanism In the state of failure; see Fig. 20, at this time, the drawer needs to be pushed backwards, and the inner rail 13 is moved backward by the drawer until the rear end bottom of the dial block 23 abuts the front end slope 2210 of the slider 22, and then continues to After pushing the drawer, the dial block 23 moves up along the front end inclined surface 2210 of the slider 22, and due to the elasticity of the plastic material of the slider 22 itself, the front side groove wall of the dial groove 224 of the slider 22 is pushed down by the dial block 23 Squeeze and cause downward plastic deformation, so that the bottom of the dial block 23 passes over the front end groove wall of the dial groove 224, and the deformation of the groove wall of the front end of the dial groove 224 is restored, and the dial block 23 integrally enters the dial groove 224.
  • the slot 224 is limited, the function of the slide

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  • Engineering & Computer Science (AREA)
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Abstract

一种具有消音回弹功能的同步抽屉滑轨系统，其能解决现有抽屉滑轨系统中因回弹机构的阻尼装置设置于滑轨内部的底端而导致滑轨空间占有率大、承载能力低的问题。其包括两组滑轨组件（10），抽屉的两外侧面分别通过对称设置的滑轨组件（10）与柜体的两内侧壁相对滑动连接，两组滑轨组件（10）之间通过同步机构（30）同步连接；柜体的内侧壁固装有壳体部件（40），壳体部件（40）朝向抽屉的一侧面开设有沿抽屉与柜体相对滑移方向延伸的通长的直线凹形槽（41），滑轨组件（10）安装于直线凹形槽（41）内，壳体部件（40）的底面设有朝抽屉一侧延伸的水平延伸板（42），水平延伸板（42）的内侧端设置有齿条（32），直线凹形槽（41）底部槽壁与齿条（32）之间形成向下的凹槽（43），凹槽（43）内安装滑轨回弹机构（20）。

Description

具有消音回弹功能的同步抽屉滑轨系统 技术领域
本发明涉及滑轨系统领域，具体为具有消音回弹功能的同步抽屉滑轨系统。
背景技术
现有的抽屉滑轨系统多通过在滑轨中安装自动回弹机构来达到抽屉在关闭的最后端进行自动缓冲关闭从而实现抽屉的可靠关闭；而现有的自动回弹机构包含两种，一种仅通过弹簧的回弹作用带动抽屉滑轨自动关闭，其在自动关闭的缓冲效果不稳定、噪音大；另一种是通过弹簧与阻尼装置配合来实现抽屉的自动关闭，其中阻尼装置能够保证抽屉滑轨在弹簧回弹作用带动下缓慢地自动关闭，保证其自动关闭过程中稳定的缓冲效果，并且能够大大降低使用噪音，但是目前此种自动回弹机构中的阻尼装置多是安装于滑轨内部，因而滑轨内部需要预留较大的安装空间导致整个滑轨组件的空间占用率大，特别是由于阻尼装置多是设置于滑轨外轨的后端部，故外轨的后端部需要为阻尼装置预留相当长度的距离空间，也就必须要缩短滑轨中间轨的长度，使得在滑轨拉伸长度相同的前提下中间轨与外轨的重合长度较短、滑轨的整体承载能力大大降低，因此无法满足大规格抽屉的承载要求。
技术问题
针对上述问题，本发明提供了具有消音回弹功能的同步抽屉滑轨系统，其能解决现有抽屉滑轨系统中因回弹机构的阻尼装置设置于滑轨内部的底端而导致滑轨空间占有率大、承载能力低的问题。
问题的解决方案
技术解决方案
其技术方案为，具有消音回弹功能的同步抽屉滑轨系统，其包括两组滑轨组件，抽屉的两外侧面分别通过所述对称设置的滑轨组件与柜体的两内侧壁相对滑动连接，所述两组滑轨组件之间通过同步机构同步连接，所述滑轨组件包括外轨、中间轨和内轨，所述外轨与内轨之间通过所述中间轨滑动连接，所述内轨 与所述抽屉的侧壁固接，其特征在于：所述柜体的内侧壁固装有壳体部件，所述壳体部件朝向抽屉的一侧面开设有沿所述抽屉与柜体相对滑移方向延伸的通长的直线凹形槽，所述滑轨组件安装于所述直线凹形槽内，所述壳体部件的底面设有朝抽屉一侧延伸的水平延伸板，所述水平延伸板的内侧端设置有齿条，所述直线凹形槽底部槽壁与所述齿条之间形成向下的凹槽，所述凹槽内安装滑轨回弹机构。
发明的有益效果
有益效果
进一步的，所述壳体部件的直线凹形槽的后端设置有后端定位板，所述直线凹形槽上、下两侧槽壁端部设有竖向相向延伸的侧面限位板，所述滑轨组件的外轨卡装于所述直线凹形槽内、同时所述内轨朝向所述抽屉侧面，所述外轨上开有方形通孔，所述壳体部件直线凹形槽的槽底对应设有弹性卡钩，所述弹性卡钩与方形通孔卡合，并且所述外轨由所述后端定位板、侧面限位板、弹性卡钩限位。
进一步的，所述滑轨组件的外轨上开有铆接圆孔，所述壳体部件上对应所述铆接圆孔的位置开设有避空孔，所述滑轨组件的外轨与所述壳体部件之间由不锈钢定位铆钉通过所述铆接圆孔、避空孔铆接，所述不锈钢定位铆钉外凸于所述壳体的外侧面并与柜体内侧面上的安装孔配合定位。
进一步的，所述壳体部件的外侧面设有两个定位柱，所述两个定位柱与柜体内侧面上的安装孔配合定位。
进一步的，所述滑轨回弹机构包括回弹主体、滑块、拨动块、阻尼装置和弹簧，所述回弹主体固装于所述凹槽内，所述拨动块固装于所述内轨的内侧壁上，所述回弹主体上设置有导向结构，所述阻尼装置、以及弹簧的后端均固装于所述回弹主体上并且所述阻尼装置与所述弹簧平行设置，所述阻尼装置的阻尼杆前端、弹簧的前端分别与所述滑块连接，所述滑块安装于所述导向结构上并能沿所述导向结构移动，所述拨动块能够与所述滑块形成配合从而带动所述滑块沿所述导向结构移动。
进一步的，所述回弹主体沿长度方向挖空形成外侧敞开的容纳槽、斜面部，并 且所述容纳槽的前端封闭、后端设有卡槽，所述弹簧容置于所述容纳槽内并且后端卡合于所述卡槽内，所述容纳槽顶壁上设有阻尼装置固定结构，位于所述阻尼装置固定结构前侧的容纳槽的顶壁形成水平导向部，所述滑块滑动安装于所述水平导向部上并且滑块后端的上部与所述阻尼装置的导向杆固接、下部与所述弹簧的前端固接，所述容纳槽前侧设有一体的向前下斜的所述斜面部，所述斜面部上设有凸起，所述凸起与所述容纳槽前端顶角之间形成定位槽，所述斜面部的前端设有L形限位安装部，所述水平导向部、斜面部、定位槽与L形限位安装部构成所述导向结构；所述回弹主体的水平导向部、斜面部的外侧面还设置有一体的挡板。
进一步的，所述滑块包括内侧面板，所述内侧面板的外侧设有上凸部和下凸部，所述下凸部位于所述内侧面板的底部后端并且所述下凸部的顶面为水平面，所述上凸部的顶部设有向上开口的拨动槽，与所述下凸部正对的上凸部的底面设有斜向上的切口边，所述上凸部的底面设有向下的定位凸起，所述切口边与所述定位凸起之间形成上凹的凹口，所述定位凸起的底面与所述上凸部的后端底边齐平，所述上凸部的定位凸起、后端底边与下凸部的顶面之间形成水平导向槽，所述回弹主体的水平导向部嵌于所述水平导向槽内，所述内侧面板底边包括接合的前部斜边和后面水平边，所述前部斜边向前上斜并与所述切口边平行，所述定位凸起、前部斜边能分别与所述回弹主体上的定位槽、斜面部形成配合。
进一步的，所述阻尼装置固定结构包括后部支架和前部支架，所述阻尼装置的后端固装于所述后部支架上、前端由所述前部支架限位，所述前部支架上开有水平通槽，所述阻尼装置的导向杆穿过所述水平通槽后与所述滑块的后端连接。
更进一步的，所述上凸部、下凸部的后端分别设有T形沟槽，所述阻尼装置的导向杆的前端嵌于所述上凸部的T形沟槽内，所述弹簧的前端嵌于所述下凸部的T形沟槽内。
进一步的，所述同步机构包括两个齿轮、两侧滑轨组件上的齿条以及连接杆，两个所述齿轮分别通过齿轮基座安装于对应的所述滑轨组件的内轨上，所述两 侧滑轨组件的壳体部件上的齿条上分别啮合连接有一个所述齿轮，所述两个齿轮之间通过所述连接杆同步连接。
进一步的，所述齿轮基座包括两个相向对称设置的半圆形座体，所述两个半圆形座体的内侧固接于圆形凸板上，所述圆形凸板设有中心轴孔，所述两个半圆形座体的外侧面对称设有弹性挂钩并且两个弹性挂钩设有对称的半圆柱形凹槽；所述滑轨组件的内轨的内侧壁上设有向内凸起的桥部，桥部上开有安装孔，齿轮基座的两个弹性挂钩与安装孔钩合。
进一步的，所述齿轮基座包括基座本体，所述基座本体开有轴向贯通孔，所述基座本体的内侧面设有凸出于所述基座本体外圆的圆形凸板、外侧面固设有定位板，所述圆形凸板中心、定位板的中心分别开设有与所述轴向贯通孔联通的通孔，所述定位板的外侧面上位于所述通孔两侧分别设有定位凸缘，所述滑轨组件的内轨上对应所述定位凸缘、通孔的位置分别设置有定位孔，所述定位凸缘嵌装入所述内轨的两侧定位孔中并且铆钉依次贯穿所述圆形凸板的通孔、基座本体的贯通孔、定位板的通孔以及内轨的中间定位孔后将所述齿轮基座与所述滑轨组件的内轨铆接。
进一步的，所述齿轮的外侧设有内凹腔，所述内凹腔的底面中心设有中心轴，围绕所述中心轴的外周均布设有卡钩，相邻两个卡钩之间的内凹腔底面上还设置有凸点，所述齿轮基座的圆形凸板伸入所述齿轮的内凹腔内、同时所述中心轴伸入所述中心轴孔内并且所述卡钩与所述圆形凸板的外周钩合。
进一步的，所述齿轮的内侧面中心设有方形轴套，所述方形轴套的两侧对称设有T形卡板，所述连接杆为方形管，所述连接杆的两端杆壁上设有开口槽，连接杆的两端与两侧的齿轮的方形轴套套接并且所述T形卡板卡入所述开口槽内，所述连接杆与所述方形轴套通过螺丝固接。本发明的有益效果在于：滑轨组件、滑轨回弹机构均安装于壳体部件内，并且滑轨回弹机构设置于滑轨组件内侧面的下方，故滑轨组件的内部、后端部均无需为滑轨回弹机构预留安装空间，从而有效缩小地整个滑轨系统的空间占用率，同时能够保证滑轨组件的中间轨的长度以确保中间轨与外轨重合长度满足滑轨抽屉的承载要求；另外，滑轨回弹机构安装于壳体部件的凹槽内，实现了滑轨回弹机构的隐藏式安装，既能保证 整个滑轨系统的外形简洁美观，又能起到对滑轨回弹机构的保护作用，防止外界污染影响滑轨回弹机构的可靠工作。
对附图的简要说明
附图说明
图1为本发明同步抽屉滑轨系统在闭合状态下的结构示意图；图2为本发明同步抽屉滑轨系统在打开状态下的结构示意图；图3为本发明同步抽屉滑轨系统中壳体部件的结构示意图；图4为本发明同步抽屉滑轨系统中壳体部件的另一视角的结构示意图；图5为本发明同步抽屉滑轨系统中滑轨组件的外轨安装于壳体部件内的示意图；图6为本发明同步抽屉滑轨系统中滑轨回弹机构的结构示意图；图7为滑轨回弹机构的回弹主体的结构示意图；图8为滑轨回弹机构的滑块的放大结构示意图；图9为滑轨回弹机构的滑块的另一视角的放大结构示意图；图10为本发明同步抽屉滑轨系统中滑轨回弹机构与壳体部件的安装示意图；图11为图10的俯视结构示意图；图12为同步机构中齿轮基座的外侧面向示意图；图13为同步机构中齿轮基座的内侧面向示意图；图14为同步机构中齿轮基座与滑轨组件中内轨的装配示意图；图15为同步机构中齿轮基座的第二种实施方式的内侧面向示意图；图16为同步机构中齿轮基座的第二种实施方式的外侧面向示意图；图17为同步机构中齿轮基座的第二种实施方式与滑轨组件中内轨的装配示意图；图18为同步机构中齿轮的外侧面向示意图；图19为同步机构中齿轮的内侧面向示意图；图20为同步机构中齿轮与齿轮基座的装配示意图；图21为同步机构中连接杆端部与两端齿轮装配的局部放大示意图；图22为滑轨回弹机构中滑块在回弹主体上移动的过程示意图；图23为滑轨回弹机构中拨动块与滑块配合失效后的自动回位过程示意图；图24为本发明中壳体部件外侧面与柜体内侧面的定位结构示意图；图25为本发明中壳体部件外侧面与柜体内侧面的第二种实施方式的定位结构示意图。
附图标记：10-滑轨组件，11-外轨，111-方形通孔，12-中间轨，13-内轨，131-桥部，132-定位孔，133-定位孔，20-滑轨回弹机构，21-回弹主体，210-L形限位安装部，211-容纳槽，212-斜面部，213-卡槽，214-后部支架，215-前部支架，216-水平通槽，217-水平导向部，218-凸起，219-定位槽，2110-挡板，2111-弹性 卡扣，22-滑块，221-内侧面板，2211-前部斜边，2212-后面水平边，222-上凸部，2221-切口边，2222-后端底边，223-下凸部，2231-顶面，224-拨动槽，225-定位凸起，226-凹口，227-水平导向槽，228-T形沟槽，229-T形沟槽，2210-前端斜面，23-拨动块，24-阻尼装置，25-弹簧，30-同步机构，31-齿轮，311-中心轴，312-卡钩，313-凸点，314-方形轴套，315-T形卡板，32-齿条，321-矩形孔，33-连接杆，331-开口槽，332-螺丝，34-齿轮基座，341-半圆形座体，342-圆形凸板，3421-通孔，343-中心轴孔，344-弹性挂钩，345-半圆柱形凹槽，346-基座本体，3461-轴向贯通孔，347-定位板，3471-通孔，3472-定位凸缘，40-壳体部件，41-直线凹形槽，42-水平延伸板，43-凹槽，44-后端定位板，45-侧面限位板，46-弹性卡钩，47-定位凸台，48-避空孔，51-不锈钢定位铆钉，52-定位凸柱。
发明实施例
本发明的实施方式
为了便于理解，本发明中所说的“前、后”是以抽屉相对于柜体的打开方向为基准，与打开方向同向的为“前”、与关闭方向同向的“后”；所说的内侧是指朝向柜体侧壁的一侧，所说的外侧是指朝向抽屉侧壁的一侧。
见图1和图2，本发明具有消音回弹功能的同步抽屉滑轨系统，其包括两组滑轨组件10，抽屉的两外侧面分别通过对称设置的滑轨组件10与柜体的两内侧壁相对滑动连接，两组滑轨组件10之间通过同步机构30同步连接，滑轨组件10分别包括外轨11、中间轨12和内轨13，外轨11与内轨13之间通过中间轨12滑动连接，内轨13与抽屉的侧壁固接；柜体的内侧壁固装有壳体部件40，见图3和图4，壳体部件40朝向抽屉的一侧面开设有沿抽屉与柜体相对滑移方向延伸的通长的直线凹形槽41，滑轨组件10安装于所述直线凹形槽41内，壳体部件40的底面设有朝抽屉一侧延伸的水平延伸板42，水平延伸板42的内侧端设置有齿条32，直线凹形槽底部槽壁与齿条32之间形成向下的凹槽43，凹槽43内安装滑轨回弹机构20，凹槽43的槽底面设有定位凸台47；壳体部件40的直线凹形槽41的后端设置有后端定位板44，直线凹形槽41上、下两侧槽壁端部设有竖向相向延伸的侧面限位板45，滑轨组件的外轨11卡装于直线凹形槽41内、同时内轨13朝向抽屉侧面，外轨11上开有方形通孔111，壳体部件直线凹形槽的槽底对应设有弹性卡 钩46，弹性卡钩46与方形通孔111卡合，外轨11由后端定位板44、侧面限位板45以及弹性卡钩46限位，见图5；滑轨组件的外轨11上开有铆接圆孔，壳体部件40上对应所述铆接圆孔的位置开设有避空孔48，滑轨组件的外轨11与壳体部件40之间由不锈钢定位铆钉50通过铆接圆孔、避空孔48铆接，见图24(图24中外轨11及外轨11的的铆接圆孔受壳体部件40的视向阻挡未能示出)，不锈钢定位铆钉51外凸于壳体部件的外侧面并与柜体内侧面上的安装孔配合定位，从而保证滑轨组件与柜体的精确定位安装；另外一种方式，见图25，直接在壳体部件40的外侧面设置定位凸柱52，定位凸柱52与柜体内侧面上的安装孔配合定位。
滑轨回弹机构20包括回弹主体21、滑块22、拨动块23、阻尼装置24和弹簧25，见图6，回弹主体21固装于凹槽43内，拨动块23固装于内轨13的内侧壁上，回弹主体21上设置有导向结构，阻尼装置24、以及弹簧25的后端均固装于回弹主体21上并且阻尼装置24与弹簧平行设置，阻尼装置24的阻尼杆前端、弹簧25的前端分别与滑块22连接，滑块22安装于导向结构上并能沿导向结构移动，拨动块23能够与滑块22形成配合从而带动滑块22沿导向结构移动。
见图7，回弹主体21沿长度方向挖空形成外侧敞开的容纳槽211、斜面部212，并且容纳槽211的前端封闭、后端设有卡槽213，弹簧25容置于容纳槽211内并且后端卡合于213卡槽内，容纳槽211顶壁上设有阻尼装置固定结构，阻尼装置固定结构包括后部支架214和前部支架215，阻尼装置24的后端固装于后部支架214上、前端由前部支架215限位，前部支架215上开有水平通槽216，阻尼装置24的导向杆穿过水平通槽216后与滑块22的后端连接；位于阻尼装置固定结构前侧的容纳槽的顶壁形成水平导向部217，滑块22滑动安装于水平导向部217上并且滑块22后端的上部与阻尼装置的导向杆固接、下部与弹簧25的前端固接，容纳槽211前侧设有一体的向前下斜的斜面部212，斜面部212上设有凸起218，凸起218与容纳槽前端顶角之间形成定位槽219，斜面部212的前端设有L形限位安装部210，L形限位安装部210与壳体部件40的凹槽槽底的定位凸台47配合定位，见图10；水平导向部217、斜面部218、定位槽219与L形限位安装部210构成导向结构；齿条32的前端底部开有矩形孔321，回弹主体21的后端设有弹性卡扣2111，回弹主体21安装于凹槽43内时弹性卡扣2111与矩形孔321卡合，见图11。
见图8和图9，滑块22包括内侧面板221，内侧面板221的外侧设有上凸部222和下凸部223，下凸部223位于内侧面板的底部后端并且下凸部的顶面2231为水平面，上凸部222的顶部设有向上开口的拨动槽224，与下凸部223正对的上凸部的底面设有斜向上的切口边2221，上凸部222的底面设有向下的定位凸起225，切口边2221与定位凸起225之间形成上凹的凹口226，定位凸起225的底面与上凸部222的后端底边2222齐平，上凸部222的定位凸起225、后端底边2222与下凸部的顶面2231之间形成水平导向槽227，回弹主体21的水平导向部217嵌于水平导向槽227内，内侧面板221底边包括接合的前部斜边2211和后面水平边2212，前部斜边2211向前上斜并与2221切口边平行，定位凸起225、前部斜边2211能分别与回弹主体上的定位槽219、斜面部212形成配合；上凸部222、下凸部223的后端分别设有T形沟槽228、229，阻尼装置24的导向杆的前端嵌于上凸部的T形沟槽228内，弹簧25的前端嵌于下凸部的T形沟槽29内；回弹主体21的水平导向部217、斜面部218的外侧面还设置有一体的挡板2110，用于对滑块22的外侧进行限位，防止滑块22在拨动块23带动下移动时发生向外侧的倾翻。
见图1和图2，同步机构30包括两个齿轮31、两侧滑轨组件上的齿条32以及连接杆33，两个齿轮31分别通过齿轮基座34安装于对应的滑轨组件的内轨内侧壁13上，两侧滑轨组件的壳体部件上的齿条32上分别啮合连接有一个齿轮32，两个齿轮32之间通过连接杆33同步连接；在抽屉打开或关闭过程中，连接杆33带动两侧的齿轮32同步沿两侧的齿条32移动，从而保证两侧的滑轨组件同步打开或关闭。
见图12、13和图14，齿轮基座34包括两个相向对称设置的半圆形座体341，两个半圆形座体341的内侧固接于圆形凸板342上，圆形凸板342设有中心轴孔343，两个半圆形座体341的内侧面对称设有弹性挂钩344并且两个挂钩设有对称的半圆柱形凹槽345；滑轨组件的内轨的内侧壁上设有向内凸起的桥部131，桥部131上开有安装孔，齿轮基座的两个弹性挂钩344与安装孔钩合。
齿轮基座34还可以采用另外一种结构形式，见图15～图17，齿轮基座34包括基座本体346，基座本体346开有轴向贯通孔3461，基座本体346的内侧面设有凸出于基座本体346外圆的圆形凸板342、外侧面固设有定位板347，圆形凸板342中 心、定位板347的中心分别开设有与轴向贯通孔3461联通的通孔3421、3471，定位板347的外侧面上位于通孔3421两侧分别设有定位凸缘3472，滑轨组件的内轨13上对应定位凸缘3472、通孔3471的位置分别设置有定位孔132、133，定位凸缘3472嵌装入内轨13的两侧定位孔132中并且铆钉依次贯穿圆形凸板的通孔3421、基座本体的贯通孔3461、定位板的通孔3471以及内轨的中间定位孔133后将齿轮基座34与滑轨组件的内轨13铆接。
齿轮31的外侧设有内凹腔，内凹腔的底面中心设有中心轴311，围绕中心轴311的外周均布设有卡钩312，相邻两个卡钩312之间的内凹腔底面上还设置有凸点313，齿轮基座34的圆形凸板342伸入齿轮的内凹腔内、同时中心轴311伸入中心轴孔343内并且卡钩312与圆形凸板342的外周钩合，同时凸点313与齿轮基座内侧端面接触，以减小齿轮31转动时的摩擦力。
齿轮31的内侧面中心设有方形轴套314，方形轴套314的两侧对称设有T形卡板315，连接杆33为方形管，连接杆33的两端杆壁上设有开口槽331，连接杆33的两端与两侧的齿轮的方形轴套314套接并且T形卡板315卡入331开口槽内，连接杆33与方形轴套314通过螺丝332固接。
下面结合附图具体描述下本发明同步抽屉滑轨系统的工作过程：当抽屉时闭合时，内轨13、中间轨12与外轨11之间完全闭合，两组同步机构的齿轮31位于齿条32的后端部，安装于内轨13内侧面上的拨动块23卡于滑块22的拨动槽224内并且阻尼装置24的导杆、弹簧25处于完全回缩的状态，见图19a；当向前拉出抽屉时，抽屉带动内轨13向前移动，从而拨动块23带动滑块22沿回弹主体21的水平导向部217前移同时阻尼装置24的导杆、弹簧25被拉伸，见图19b，当滑块22的定位凸起225移动至水平导向部217的前部角端后继续前移，则定位凸起225向前滑入回弹主体前部的定位槽219内同时滑块22整体前倾由斜面部212限位，与此同时滑块22顶部的拨动槽224也同步呈前低后高的状态，内轨13继续前移时拨动块23能够从拨动槽224的前部槽壁脱离约束，抽屉拉动内轨13继续打开，此时滑块22通过定位凸起225与定位槽219配合并呈前倾状地定位于回弹主体21的前端并且弹簧25、阻尼装置24的导杆呈完全拉伸状态，见图19c；当要关闭抽屉时，抽屉带动内轨13后移，由于此时滑块22仍然处于前倾状态即拨动槽224仍处于前 低后高的状态，因而拨动块23在内轨13的带动下能够越过拨动槽224的前侧槽壁进入拨动槽224内并且拨动块23的后侧端面与拨动槽224的后侧槽壁接触，内轨13继续带动拨动块23后移时拨动块23推动滑块22逆时针方向轻微转动同时定位凸起225从定位槽219内脱离、整个滑块22从前倾状态恢复水平状态，滑块22的拨动槽224亦成水平状态，拨动块23的前后端完全由拨动槽224限位，在弹簧25的回弹作用下、阻尼装置24的导杆带动滑块22缓慢后移，同时滑块22带动拨动块23以及内轨13一起缓慢后移直到内轨13完全闭合，抽屉也即完全闭合。
当抽屉在完全打开状态下，当柜体受到外界震动影响滑块22在弹簧25的回弹作用下有可能会出现自动脱离前端定位槽219的定位而回弹，此时整个滑轨回弹机构处于失效状态；见图20，此时，需要先向后推动抽屉，内轨13在抽屉的带动下后移直到拨动块23的后端底部抵住滑块22的前端斜面2210，然后继续向后推动抽屉，拨动块23沿滑块22的前端斜面2210上移同时由于滑块22本身塑料材质具有的弹性，滑块22的拨动槽224的前侧槽壁被拨动块23向下挤压而发生向下的塑性变形，从而拨动块23的底部越过拨动槽224的前端槽壁而随着拨动槽224前端槽壁形变恢复，拨动块23整体进入拨动槽224内并被拨动槽224限位，则滑轨回弹机构功能恢复。

Claims (14)

  1. 具有消音回弹功能的同步抽屉滑轨系统，其包括两组滑轨组件，抽屉的两外侧面分别通过所述对称设置的滑轨组件与柜体的两内侧壁相对滑动连接，所述两组滑轨组件之间通过同步机构同步连接，所述滑轨组件包括外轨、中间轨和内轨，所述外轨与内轨之间通过所述中间轨滑动连接，所述内轨与所述抽屉的侧壁固接，其特征在于：所述柜体的内侧壁固装有壳体部件，所述壳体部件朝向抽屉的一侧面开设有沿所述抽屉与柜体相对滑移方向延伸的通长的直线凹形槽，所述滑轨组件安装于所述直线凹形槽内，所述壳体部件的底面设有朝抽屉一侧延伸的水平延伸板，所述水平延伸板的内侧端设置有齿条，所述直线凹形槽底部槽壁与所述齿条之间形成向下的凹槽，所述凹槽内安装滑轨回弹机构。
  2. 根据权利要求1所述的具有消音回弹功能的同步抽屉滑轨系统，其特征在于：所述壳体部件的直线凹形槽的后端设置有后端定位板，所述直线凹形槽上、下两侧槽壁端部设有竖向相向延伸的侧面限位板，所述滑轨组件的外轨卡装于所述直线凹形槽内、同时所述内轨朝向所述抽屉侧面，所述外轨上开有方形通孔，所述壳体部件直线凹形槽的槽底对应设有弹性卡钩，所述弹性卡钩与方形通孔卡合，并且所述外轨由所述后端定位板、侧面限位板以及弹性卡钩限位。
  3. 根据权利要求2所述的具有消音回弹功能的同步抽屉滑轨系统，其特征在于：所述滑轨组件的外轨上开有铆接圆孔，所述壳体部件上对应所述铆接圆孔的位置开设有避空孔，所述滑轨组件的外轨与所述壳体部件之间由不锈钢定位铆钉通过所述铆接圆孔、避空孔铆接，所述不锈钢定位铆钉外凸于所述壳体的外侧面并与柜体内侧面上的安装孔配合定位。
  4. 根据权利要求2所述的具有消音回弹功能的同步抽屉滑轨系统，其特征在于：所述壳体部件的外侧面设有两个定位柱，所述两个定 位柱与柜体内侧面上的安装孔配合定位。
  5. 根据权利要求3或4所述的具有消音回弹功能的同步抽屉滑轨系统，其特征在于：所述滑轨回弹机构包括回弹主体、滑块、拨动块、阻尼装置和弹簧，所述回弹主体固装于所述凹槽内，所述拨动块固装于所述内轨的内侧壁上，所述回弹主体上设置有导向结构，所述阻尼装置、以及弹簧的后端均固装于所述回弹主体上并且所述阻尼装置与所述弹簧平行设置，所述阻尼装置的阻尼杆前端、弹簧的前端分别与所述滑块连接，所述滑块安装于所述导向结构上并能沿所述导向结构移动，所述拨动块能够与所述滑块形成配合从而带动所述滑块沿所述导向结构移动。
  6. 根据权利要求5所述的具有消音回弹功能的同步抽屉滑轨系统，其特征在于：所述回弹主体沿长度方向挖空形成外侧敞开的容纳槽、斜面部，并且所述容纳槽的前端封闭、后端设有卡槽，所述弹簧容置于所述容纳槽内并且后端卡合于所述卡槽内，所述容纳槽顶壁上设有阻尼装置固定结构，位于所述阻尼装置固定结构前侧的容纳槽的顶壁形成水平导向部，所述滑块滑动安装于所述水平导向部上并且滑块后端的上部与所述阻尼装置的导向杆固接、下部与所述弹簧的前端固接，所述容纳槽前侧设有一体的向前下斜的所述斜面部，所述斜面部上设有凸起，所述凸起与所述容纳槽前端顶角之间形成定位槽，所述斜面部的前端设有L形限位安装部，所述水平导向部、斜面部、定位槽与L形限位安装部构成所述导向结构；所述回弹主体的水平导向部、斜面部的外侧面还设置有一体的挡板。
  7. 根据权利要求6所述的具有消音回弹功能的同步抽屉滑轨系统，其特征在于：所述滑块包括内侧面板，所述内侧面板的外侧设有上凸部和下凸部，所述下凸部位于所述内侧面板的底部后端并且所述下凸部的顶面为水平面，所述上凸部的顶部设有向上开口的拨动槽，与所述下凸部正对的上凸部的底面设有斜向上的切口边， 所述上凸部的底面设有向下的定位凸起，所述切口边与所述定位凸起之间形成上凹的凹口，所述定位凸起的底面与所述上凸部的后端底边齐平，所述上凸部的定位凸起、后端底边与下凸部的顶面之间形成水平导向槽，所述回弹主体的水平导向部嵌于所述水平导向槽内，所述内侧面板底边包括接合的前部斜边和后面水平边，所述前部斜边向前上斜并与所述切口边平行，所述定位凸起、前部斜边能分别与所述回弹主体上的定位槽、斜面部形成配合。
  8. 根据权利要求6所述的具有消音回弹功能的同步抽屉滑轨系统，其特征在于：所述阻尼装置固定结构包括后部支架和前部支架，所述阻尼装置的后端固装于所述后部支架上、前端由所述前部支架限位，所述前部支架上开有水平通槽，所述阻尼装置的导向杆穿过所述水平通槽后与所述滑块的后端连接。
  9. 根据权利要求7所述的具有消音回弹功能的同步抽屉滑轨系统，其特征在于：所述上凸部、下凸部的后端分别设有T形沟槽，所述阻尼装置的导向杆的前端嵌于所述上凸部的T形沟槽内，所述弹簧的前端嵌于所述下凸部的T形沟槽内。
  10. 根据权利要求5所述的具有消音回弹功能的同步抽屉滑轨系统，其特征在于：所述同步机构包括两个齿轮、两侧滑轨组件上的齿条以及连接杆，两个所述齿轮分别通过齿轮基座安装于对应的所述滑轨组件的内轨上，所述两侧滑轨组件的壳体部件上的齿条上分别啮合连接有一个所述齿轮，所述两个齿轮之间通过所述连接杆同步连接。
  11. 根据权利要求10所述的具有消音回弹功能的同步抽屉滑轨系统，其特征在于：所述齿轮基座包括两个相向对称设置的半圆形座体，所述两个半圆形座体的内侧固接于圆形凸板上，所述圆形凸板设有中心轴孔，所述两个半圆形座体的内侧面对称设有弹性挂钩并且两个弹性挂钩设有对称的半圆柱形凹槽；所述滑轨组件的内 轨的内侧壁上设有向内凸起的桥部，桥部上开有安装孔，齿轮基座的两个弹性挂钩与安装孔钩合。
  12. 根据权利要求10所述的具有消音回弹功能的同步抽屉滑轨系统，其特征在于：所述齿轮基座包括基座本体，所述基座本体开有轴向贯通孔，所述基座本体的内侧面设有凸出于所述基座本体外圆的圆形凸板、外侧面固设有定位板，所述圆形凸板中心、定位板的中心分别开设有与所述轴向贯通孔联通的通孔，所述定位板的外侧面上位于所述通孔两侧分别设有定位凸缘，所述滑轨组件的内轨上对应所述定位凸缘、通孔的位置分别设置有定位孔，所述定位凸缘嵌装入所述内轨的两侧定位孔中并且铆钉依次贯穿所述圆形凸板的通孔、基座本体的贯通孔、定位板的通孔以及内轨的中间定位孔后将所述齿轮基座与所述滑轨组件的内轨铆接。
  13. 根据权利要求11或12所述的具有消音回弹功能的同步抽屉滑轨系统，其特征在于：所述齿轮的外侧设有内凹腔，所述内凹腔的底面中心设有中心轴，围绕所述中心轴的外周均布设有卡钩，相邻两个卡钩之间的内凹腔底面上还设置有凸点，所述齿轮基座的圆形凸板伸入所述齿轮的内凹腔内、同时所述中心轴伸入所述中心轴孔内并且所述卡钩与所述圆形凸板的外周钩合。
  14. 根据权利要求13所述的具有消音回弹功能的同步抽屉滑轨系统，其特征在于：所述齿轮的内侧面中心设有方形轴套，所述方形轴套的两侧对称设有T形卡板，所述连接杆为方形管，所述连接杆的两端杆壁上设有开口槽，连接杆的两端与两侧的齿轮的方形轴套套接并且所述T形卡板卡入所述开口槽内，所述连接杆与所述方形轴套通过螺丝固接。
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